gcc/ChangeLog

   1 2009-12-16  Richard Guenther  <rguenther@suse.de>
   2
   3         PR lto/42392
   4         * langhooks.c (lhd_begin_section): Make sure to switch back
   5         to the text section, not some random one.
   6
   7 2009-12-16  Jakub Jelinek  <jakub@redhat.com>
   8
   9         * tree-chrec.c (chrec_convert_1): Only fold (T2)(t +- x) to
  10         (T2)t +- (T2)x if only integer types are involved.
  11
  12 2009-12-16  Ben Elliston  <bje@au.ibm.com>
  13
  14         * tree-data-ref.h (dot_rdg): Remove prototype.
  15         * tree-data-ref.c (dog_rdg_1, dot_rdg): Remove.
  16
  17 2009-12-16  Kazu Hirata  <kazu@codesourcery.com>
  18
  19         * doc/invoke.texi, doc/options.texi, doc/plugins.texi,
  20         doc/tm.texi: Fix typos.
  21
  22 2009-12-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
  23
  24         * doc/extend.texi (Function Attributes, Extended Asm):
  25         Replace TABs with spaces.
  26         * doc/md.texi (Standard Names): Likewise.
  27         * doc/plugins.texi (Plugins): Likewise.
  28
  29         * doc/c-tree.texi (Expression trees): Use @itemx for all but
  30         the first item for merged items.
  31         * doc/extend.texi (Variable Attributes): Likewise.
  32         * doc/install.texi (Configuration): Likewise.
  33         * doc/invoke.texi (RS/6000 and PowerPC Options, RX Options):
  34         Likewise.
  35
  36 2009-12-15  Richard Guenther  <rguenther@suse.de>
  37
  38         * tree.c (free_lang_data_in_binfo): Do not free BINFO_OFFSET
  39         and BINFO_VPTR_FIELD.
  40         (free_lang_data_in_type): Do not free TYPE_STUB_DECL if we
  41         generate debug information.
  42         (free_lang_data_in_decl): Do not free DECL_SIZE_UNIT,
  43         DECL_SIZE, DECL_FIELD_OFFSET and DECL_FCONTEXT.
  44         (free_lang_data): Do not disable debuginfo.
  45         * lto-streamer-out.c (write_symbol_vec): Deal with
  46         non-constant DECL_SIZE.
  47         (pack_ts_base_value_fields): Write types with false
  48         TREE_ASM_WRITTEN.
  49         (lto_output_ts_type_tree_pointers): Stream TYPE_STUB_DECL.
  50         * lto-streamer-in.c (lto_input_ts_type_tree_pointers): Stream
  51         TYPE_STUB_DECL.
  52         * dwarf2out.c (add_pure_or_virtual_attribute): Check for
  53         DECL_CONTEXT.
  54         (gen_type_die_for_member): Test for TYPE_STUB_DECL.
  55         * opts.c (decode_options): Do not disable var-tracking for lto.
  56         * doc/invoke.texi (-flto): Document -flto vs. -g experimental
  57         status.
  58         (-fwhopr): Document experimental status.
  59
  60 2009-12-15  Aldy Hernandez  <aldyh@redhat.com>
  61
  62         PR graphite/42185
  63         * graphite-sese-to-poly.c (is_reduction_operation_p): Assert that
  64         we are a GIMPLE_ASSIGN.  Do not calculate rhs code twice.
  65         (follow_ssa_with_commutative_ops): Return NULL on non assignment.
  66
  67 2009-12-15  Eric Botcazou  <ebotcazou@adacore.com>
  68
  69         * config/rs6000/rs6000.md (probe_stack): Use an enclosing SET.
  70
  71 2009-12-15  Richard Guenther  <rguenther@suse.de>
  72
  73         * gimple.h (compare_field_offset): Declare.
  74         * gimple.c (compare_field_offset): Export.
  75         * lto-streamer-in.c (input_gimple_stmt): Use compare_field_offset.
  76
  77 2009-12-15  Richard Guenther  <rguenther@suse.de>
  78
  79         * lto-cgraph.c (lto_output_node): Also stream the alias
  80         for regular aliases.
  81         (input_node): Likewise.
  82
  83 2009-12-15  Paolo Bonzini  <bonzini@gnu.org>
  84             Shujing Zhao  <pearly.zhao@oracle.com>
  85
  86         * intl.c (get_spaces): New.
  87         * intl.h (get_spaces): New.
  88
  89 2009-12-14  Jakub Jelinek  <jakub@redhat.com>
  90
  91         PR bootstrap/42369
  92         * config/i386/i386.c (ix86_expand_special_args_builtin): Avoid
  93         using switch with CODE_FOR_lwp_lwp* cases.
  94
  95         * config/i386/i386-builtin-types.def (PVOID_FTYPE_VOID): Use
  96         DEF_FUNCTION_TYPE (PVOID) instead of DEF_FUNCTION_TYPE (PVOID, VOID).
  97
  98 2009-12-14  Eric Botcazou  <ebotcazou@adacore.com>
  99
 100         * cfgexpand.c (expand_debug_expr) <INDIRECT_REF>: Remove overzealous
 101         assertion and useless code.
 102         <TARGET_MEM_REF>: Likewise.
 103
 104 2009-12-14  Alexandre Oliva  <aoliva@redhat.com>
 105
 106         PR debug/41473
 107         * dwarf2out.c (AT_loc_list_ptr): New.
 108         (resolve_addr): Remove unresolved attributes and loc_list entries.
 109
 110         PR debug/41473
 111         * dwarf2out.c (add_var_loc_to_decl): Don't drop initial empty
 112         locations.
 113         (new_loc_list): Drop gensym arg.  Move generation of ll_symbol...
 114         (gen_llsym): ... here.  New function.
 115         (add_loc_descr_to_loc_list): Removed.
 116         (loc_descriptor): Infer mode from CONST_DOUBLEs and CONST_VECTORs.
 117         (single_element_loc_list): Removed.
 118         (dw_loc_list): Don't create entries without a location.  Don't
 119         special-case the first node of the list, only single nodes.
 120         (single_element_loc_list_p): Simplify.
 121         (loc_list_from_tree): Don't use DECL_RTL if loc_list is nonempty.
 122         (add_location_or_const_value_attribute): Test var loc for NULL.
 123         (convert_cfa_to_fb_loc_list): Adjust calls to new new_loc_list,
 124         call gen_llsym if needed.
 125
 126 2009-12-14  Jakub Jelinek  <jakub@redhat.com>
 127
 128         * cgraph.h (cgraph_set_nothrow_flag, cgraph_set_readonly_flag,
 129         cgraph_set_pure_flag, cgraph_set_looping_const_or_pure_flag): New
 130         prototypes.
 131         * cgraph.c (cgraph_set_nothrow_flag, cgraph_set_readonly_flag,
 132         cgraph_set_pure_flag, cgraph_set_looping_const_or_pure_flag): New
 133         functions.
 134         * except.h (set_nothrow_function_flags): Remove prototype.
 135         * except.c (set_nothrow_function_flags): Use cgraph_set_nothrow_flag.
 136         Make static.
 137         * ipa-pure-const.c (propagate): Use cgraph_set_nothrow_flag,
 138         cgraph_set_readonly_flag, cgraph_set_pure_flag
 139         and cgraph_set_looping_const_or_pure_flag.
 140         (local_pure_const): Likewise.
 141
 142 2009-12-14  Jakub Jelinek  <jakub@redhat.com>
 143             Sebastian Pop  <sebastian.pop@amd.com>
 144
 145         * config/i386/i386-builtin-types.def (PVOID): Declared.
 146         (VOID_FTYPE_PVOID): Declared.
 147         (PVOID_FTYPE_VOID): Declared.
 148         (UCHAR_FTYPE_USHORT_UINT_USHORT): Removed.
 149         (VOID_FTYPE_USHORT_UINT_USHORT): Removed.
 150         * config/i386/i386.c (IX86_BUILTIN_LLWPCB16, IX86_BUILTIN_LLWPCB32,
 151         IX86_BUILTIN_LLWPCB64, IX86_BUILTIN_SLWPCB16, IX86_BUILTIN_SLWPCB32,
 152         IX86_BUILTIN_SLWPCB64, IX86_BUILTIN_LWPVAL16, IX86_BUILTIN_LWPINS16):
 153         Removed.
 154         (IX86_BUILTIN_LLWPCB, IX86_BUILTIN_SLWPCB): New.
 155         (bdesc_special_args): Adjust declaration of __builtin_ia32_llwpcb,
 156         __builtin_ia32_slwpcb, __builtin_ia32_lwpval32,
 157         __builtin_ia32_lwpval64, __builtin_ia32_lwpins32, and
 158         __builtin_ia32_lwpins64.
 159         (ix86_expand_special_args_builtin): Handle VOID_FTYPE_PVOID.
 160         Do not handle VOID_FTYPE_USHORT_UINT_USHORT and
 161         UCHAR_FTYPE_USHORT_UINT_USHORT.  Warn when the third operand is
 162         not an immediate.  Also handle builtin functions with 3 arguments.
 163         (ix86_expand_builtin): Handle IX86_BUILTIN_LLWPCB and
 164         IX86_BUILTIN_SLWPCB.
 165         * config/i386/i386.md (UNSPEC_LLWP_INTRINSIC, UNSPEC_SLWP_INTRINSIC):
 166         Renamed UNSPECV_LLWP_INTRINSIC and UNSPECV_SLWP_INTRINSIC.
 167         (memory attribute): Handle lwp.
 168         (lwp*): Rewrite all the insn patterns for LWP.
 169         * config/i386/lwpintrin.h (__llwpcb16, __llwpcb32, __llwpcb64,
 170         __slwpcb16, __slwpcb32, __slwpcb64, __lwpval16, __lwpins16): Removed.
 171         (__llwpcb, __slwpcb): New.
 172
 173 2009-12-14  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
 174
 175         * dominance.c (set_immediate_dominator): Don't mark as inline.
 176
 177 2009-12-14  Eric Botcazou  <ebotcazou@adacore.com>
 178
 179         * doc/tm.texi (STACK_CHECK_PROTECT): Document alternate default.
 180         * doc/md.texi (check_stack): Clarify.
 181         (probe_stack): Likewise.
 182         * config/rs6000/rs6000.md (UNSPEC_PROBE_STACK): New constant.
 183         (probe_stack): New insn.
 184
 185 2009-12-14  Ben Elliston  <bje@au.ibm.com>
 186
 187         * lto-streamer-in.c (lto_get_builtin_tree): fclass can only be a
 188         BUILT_IN_NORMAL or BUILT_IN_MD.
 189
 190 2009-12-13  Eric Botcazou  <ebotcazou@adacore.com>
 191
 192         * doc/tm.texi (STACK_CHECK_PROBE_LOAD): Delete.
 193         * expr.h (STACK_CHECK_PROBE_LOAD): Likewise.
 194         * explow.c (emit_stack_probe): Do not test STACK_CHECK_PROBE_LOAD.
 195         * system.h (STACK_CHECK_PROBE_LOAD): Poison.
 196
 197 2009-12-13  Michael Matz  <matz@suse.de>
 198
 199         PR tree-optimization/42027
 200         * dojump.c (do_jump <TRUTH_AND_EXPR, TRUTH_OR_EXPR>): Go to
 201         TRUTH_ANDIF_EXPR resp. TRUTH_ORIF_EXPR expander, instead of
 202         falling through.
 203
 204 2009-12-13  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
 205
 206         PR target/23726
 207         * config/avr/predicates.md (pseudo_register_operand): New predicate
 208         for pseudos.
 209         * config/avr/avr.md (divmodqi4): Replace with define_insn_and_split
 210         to allow div/mod optimization.
 211         (udivmodqi4): Ditto.
 212         (divmodhi4): Ditto.
 213         (udivmodhi4): Ditto.
 214         (divmodsi4): Ditto.
 215         (udivmodsi4): Ditto.
 216
 217 2009-12-13  Richard Guenther  <rguenther@suse.de>
 218
 219         PR tree-optimization/42357
 220         * tree-sra.c (sra_modify_assign): Do not tear apart struct copies.
 221
 222 2009-12-12  Richard Guenther  <rguenther@suse.de>
 223
 224         * tree.c (need_assembler_name_p): Abstract decls do not need
 225         an assembler name.
 226         * dwarf2out.c (dwarf2out_abstract_function): Preserve
 227         DECL_ABSTRACT properly.
 228
 229 2009-12-11  Richard Guenther  <rguenther@suse.de>
 230
 231         * lto-streamer-in.c (lto_input_tree_ref): Do not register
 232         DEBUG_EXPR_DECLs with the varpool.
 233
 234 2009-12-11  Eric Botcazou  <ebotcazou@adacore.com>
 235
 236         * config/sparc/linux-unwind.h (MD_FROB_UPDATE_CONTEXT, 64-bit): Define.
 237         (sparc64_frob_update_context): New function.
 238
 239 2009-12-11  Richard Guenther  <rguenther@suse.de>
 240
 241         PR lto/41658
 242         PR lto/41657
 243         * lto-streamer-out.c (write_global_stream): Do not make decls
 244         weak but resort to TREE_ASM_WRITTEN to avoid multiple definitions.
 245         Make sure to mark all decls that we have written.
 246
 247 2009-12-11  Sebastian Andrzej Siewior  <bigeasy@linutronix.de>
 248
 249         PR target/36047
 250
 251         * config/m68k/linux.h: Remove LABELNO from the mcount statement. It is
 252         not used by glibc/uclibc and does not work with large binaries.
 253
 254 2009-12-11  Richard Guenther  <rguenther@suse.de>
 255
 256         PR lto/41662
 257         * lto-streamer-in.c (lto_init_eh): Move eh_initialized_p
 258         handling here.
 259         (input_eh_regions): Adjust.
 260         (lto_input_ts_function_decl_tree_pointers): Initialize EH
 261         if a non-NULL DECL_FUNCTION_PERSONALITY was read in.
 262
 263 2009-12-11  Duncan Sands  <baldrick@free.fr>
 264
 265         * passes.c (make_pass_instance): Allocate and copy the right amount of
 266         memory for ipa passes, which are not the same size as other passes.
 267
 268 2009-12-11  Joern Rennecke  <amylaar@spamcop.net>
 269
 270         * plugin.c (get_named_event_id): Fix hash table rebuild to include
 271         dynamically allocated events.
 272
 273 2009-12-11  Richard Guenther  <rguenther@suse.de>
 274
 275         PR lto/42320
 276         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Properly
 277         detect non-prevailing decls.
 278
 279 2009-12-10  Jakub Jelinek  <jakub@redhat.com>
 280
 281         PR c++/42317
 282         * cgraph.h (struct cgraph_node): Add same_comdat_group field.
 283         * cgraph.c (cgraph_remove_node): Unchain node from same_comdat_group
 284         circular list.
 285         (cgraph_node_can_be_local_p): Return false for DECL_COMDAT with
 286         node->same_comdat_group.
 287         * ipa.c (cgraph_remove_unreachable_nodes): For any reachable node
 288         mark all its same_comdat_group nodes as also reachable.
 289         (cgraph_externally_visible_p): Return true even if any of
 290         same_comdat_group nodes has address taken.
 291         * lto-cgraph.c (lto_output_node): Stream out same_comdat_group.
 292         (output_cgraph): Ensure other same_comdat_group nodes are also
 293         included.
 294         (input_node): Stream in same_comdat_group.
 295         (input_cgraph_1): Fix up same_comdat_group fields from references
 296         to pointers.
 297         * cgraphunit.c (cgraph_analyze_functions): Mark all other
 298         same_comdat_group nodes as reachable.
 299         (cgraph_mark_functions_to_output): For each node->process process
 300         also other same_comdat_group nodes.
 301         * ipa-inline.c (cgraph_clone_inlined_nodes): Don't reuse nodes
 302         with same_comdat_group non-NULL.
 303         (cgraph_mark_inline_edge): Likewise.
 304
 305 2009-12-10  Jan Hubicka  <jh@suse.cz>
 306
 307         PR middle-end/42228
 308         PR middle-end/42110
 309         * cgraph.c (cgraph_create_edge_including_clones): Add old_stmt
 310         parameter; update edge if it already exists.
 311         (cgraph_remove_node): Handle correctly cases where we are removing
 312         node having clones.
 313         * cgraph.h (cgraph_create_edge_including_clones): Declare.
 314         (verify_cgraph_node): Add missing error_found = true code.
 315         (cgraph_materialize_all_clones): Remove call edges of dead nodes.
 316         * ipa.c (cgraph_remove_unreachable_nodes): Correctly look for master
 317         clone; fix double linked list removal.
 318         * tree-inline.c (copy_bb): Update cgraph_create_edge_including_clones
 319         call; fix frequency of newly created edge.
 320
 321 2009-12-10  Bernd Schmidt  <bernd.schmidt@analog.com>
 322
 323         PR rtl-opt/42216
 324         * regrename.c: Error out if MAX_RECOG_OPERANDS is larger than
 325         HOST_BITS_PER_WIDE_INT.
 326         (verify_reg_in_set): New function, broken out of verify_reg_tracked.
 327         (verify_reg_tracked): Use it.
 328         (scan_rtx_reg): When seeing a use involving a superset of the
 329         registers in an existing chain, enlarge that chain.  Otherwise,
 330         allow subsets and set fail_current_block for all other kinds of
 331         overlap.
 332         (hide_operands): New argument UNTRACKED_OPERANDS; callers changed.
 333         Do not modify operands when the bit with the corresponding number
 334         is set in that bitmap.
 335         (build_def_use): When we see matching operands with different
 336         modes, don't set fail_current_block, but keep track of such
 337         operands in a bitmap if their registers aren't already tracked
 338         in an open chain.  Pass this bitmap to all hide_operands calls.
 339
 340 2009-12-10  Richard Guenther  <rguenther@suse.de>
 341
 342         PR tree-optimization/42337
 343         * tree-ssa-pre.c (seen_during_translate): Remove.
 344         (phi_translate_1): Collapse into ...
 345         (phi_translate): ... this.  Remove seen parameter and
 346         adjust recursive calls.
 347
 348 2009-12-10  Richard Guenther  <rguenther@suse.de>
 349         Allan Sandfeld Jensen  <linux@carewolf.com>
 350
 351         * tree-vectorizer.c (vectorize_loops): Properly guard
 352         vectorizer verboseness.
 353
 354 2009-12-10  Ben Elliston  <bje@au.ibm.com>
 355
 356         * fwprop.c (free_load_extend): Initialise `use'.
 357
 358 2009-12-09  David Edelsohn  <edelsohn@gnu.org>
 359
 360         * builtins.c (do_mpc_ckconv): Pass the component type to
 361         real_from_mpfr().
 362
 363 2009-12-09  Xinliang David Li  <davidxl@google.com>
 364
 365         PR tree-optimization/42337
 366         * tree-ssa-pre.c (phi_translate_1): Push and Pop SEEN set.
 367
 368 2009-12-09  Nathan Froyd  <froydnj@codesourcery.com>
 369
 370         * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3,
 371         mulv2sf3, divv2sf3): New expanders.
 372         * config/rs6000/spe.md (spe_evabs, spe_evand, spe_evaddw, spe_evsubfw,
 373         spe_evdivws): Rename to use standard GCC names.
 374         * config/rs6000/paired.md (negv2sf, absv2sf2, addv2sf3, subv2sf3,
 375         mulv2sf3, divv2sf3): Rename to avoid conflict with the new expanders.
 376         * config/rs6000/rs6000.c (bdesc_2arg, bdesc_1arg): Use new CODE_FOR_
 377         names for renamed patterns.
 378
 379 2009-12-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 380
 381         * config/s390/s390.md ("copysign<mode>3"): Pattern removed.
 382
 383 2009-12-09  Jakub Jelinek  <jakub@redhat.com>
 384
 385         * configure.ac: Compute ld_ver, ld_vers, ld_date, ld_vers_major,
 386         ld_vers_minor and ld_vers_path always, not just when gcc_cv_ld_hidden
 387         isn't cached.
 388         * configure: Regenerated.
 389
 390 2009-12-08  Richard Henderson  <rth@redhat.com>
 391
 392         * combine.c (setup_incoming_promotions): Fix sign-extend of
 393         zero-extend case; tidy conditions.
 394
 395 2009-12-08  Michael Matz  <matz@suse.de>
 396
 397         PR middle-end/38474
 398         * function.c (free_temp_slots): Only walk the temp slot
 399         addresses and combine slots if we actually changes something.
 400         (pop_temp_slots): Ditto.
 401
 402 2009-12-08  Olga Golovanevsky  <olga@il.ibm.com>
 403
 404         PR middle-end/41843
 405         * ipa-struct-reorg.c (compare_fields): New function.
 406         (find_field_in_struct_1): Use compare_fields function.
 407         (is_equal_types): Likewise.
 408
 409 2009-12-07  DJ Delorie  <dj@redhat.com>
 410
 411         PR c/42312
 412         * config/mep/mep.c (mep_expand_prologue): Set
 413         really_need_stack_frame after frame_size is set.
 414
 415 2009-12-07  Richard Henderson  <rth@redhat.com>
 416
 417         PR rtl-opt/42269
 418         * combine.c (setup_incoming_promotions): Improve the conditions
 419         under which we respect the promotions applied.
 420
 421 2009-12-07  Eric Botcazou  <ebotcazou@adacore.com>
 422
 423         * config/sparc/linux.h (ASM_SPEC): Pass -K PIC if -findirect-dispatch.
 424         * config/sparc/linux64.h (ASM_SPEC): Likewise.
 425
 426 2009-12-07  Richard Henderson  <rth@redhat.com>
 427
 428         PR debug/42299
 429         PR debug/42166
 430         * tree-ssa.c (insert_debug_temp_for_var_def): Skip propagation
 431         for ssa names already registered for update.
 432
 433 2009-12-07  Jakub Jelinek  <jakub@redhat.com>
 434
 435         PR debug/42244
 436         * ddg.c (add_inter_loop_mem_dep): Use ANTI_DEP if from or to
 437         is a DEBUG_INSN.
 438
 439 2009-12-07  Sebastian Pop  <sebastian.pop@amd.com>
 440
 441         * config/i386/driver-i386.c (host_detect_local_cpu): Add -mlwp to the
 442         options when bit_LWP is set.
 443
 444 2009-12-07  Sebastian Pop  <sebastian.pop@amd.com>
 445
 446         * config/i386/cpuid.h (bit_ABM): New.
 447         * config/i386/driver-i386.c (host_detect_local_cpu): Add -mabm to the
 448         options when bit_ABM is set.
 449
 450 2009-12-07  Jakub Jelinek  <jakub@redhat.com>
 451
 452         * config/i386/i386.c (bdesc_special_args): Move __builtin_clzs from
 453         this array ...
 454         (bdesc_args): ... here.
 455         * config.gcc (i[34567]86-*-*): Include abmintrin.h.
 456         (x86_64-*-*): Likewise.
 457
 458 2009-12-07  Sebastian Pop  <sebastian.pop@amd.com>
 459
 460         * config.gcc (i[34567]86-*-*, x86_64-*-*): Add popcntintrin.h.
 461         * config/i386/abmintrin.h (_mm_popcnt_u32, _mm_popcnt_u64): Moved...
 462         * config/i386/i386-c.c (__POPCNT__): Defined.
 463         * config/i386/popcntintrin.h: ...here.  New file.
 464         * config/i386/smmintrin.h (_mm_popcnt_u32, _mm_popcnt_u64): Moved...
 465         Include popcntintrin.h.
 466         * config/i386/x86intrin.h: Include popcntintrin.h when __POPCNT__
 467         is defined.
 468
 469 2009-12-07  Sebastian Pop  <sebastian.pop@amd.com>
 470
 471         * config/i386/i386-protos.h (ix86_expand_fma4_multiple_memory):
 472         Removed.
 473         * config/i386/i386.c (ix86_expand_fma4_multiple_memory): Removed.
 474         * config/i386/sse.md: Remove all XOP splitters.
 475         Allow the second and fourth operands of XOP multiply-add insns
 476         to be nonimmediate.
 477
 478 2009-12-07  Sebastian Pop  <sebastian.pop@amd.com>
 479
 480         * config/i386/sse.md: Remove all FMA4 splitters.
 481         Allow the second operand of FMA4 insns to be a nonimmediate.
 482         Fix comments punctuation.
 483
 484 2009-12-07  Julian Brown  <julian@codesourcery.com>
 485
 486         * config/arm/constraints.md (Ps, Pt): New constraint letters.
 487         * config/arm/thumb2.md (*thumb2_addsi_short): Tighten constraints.
 488
 489 2009-12-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 490
 491         PR other/40302
 492         * configure.ac (HAVE_mpc): Don't define.
 493         * config.in, configure: Regenerate.
 494
 495         PR other/40302
 496         * builtins.c: Remove HAVE_mpc* checks throughout.
 497         * fold-const.c: Likewise.
 498         * real.h: Likewise.
 499         * toplev.c: Likewise.
 500
 501 2009-12-07  Edmar Wienskoski  <edmar@freescale.com>
 502
 503         * config.gcc (cpu_is_64bit): Add new core e500mc64.
 504         (powerpc*-*-*): Add new core e500mc64.
 505         * config/rs6000/e500mc64.md: New file.
 506         * config/rs6000/rs6000.c (processor_costs): Add new costs for
 507         e500mc64.
 508         (rs6000_override_options): Add e500mc64 case to
 509         processor_target_table. Altivec and Spe options not allowed with
 510         e500mc64. Disable string instructions for e500mc64. Enable branch
 511         targets alignment for both e500mc and e500mc64. Initialize
 512         rs6000_cost for e500mc64.
 513         (rs6000_emit_sISEL): New function.
 514         (rs6000_emit_sCOND): Call rs6000_emit_sISEL for isel targets.
 515         (rs6000_emit_int_cmove): Fix mode of 64 bit isel pattern
 516         generation.
 517         (rs6000_issue_rate): Set issue rate for e500mc64.
 518         (rs6000_rtx_costs): Set more accurate cost for mfcr instruction
 519         on architectures with isel.
 520         * config/rs6000/rs6000-protos.h (rs6000_emit_sISEL): Declare.
 521         * config/rs6000/rs6000.h (processor_type): Add
 522         PROCESSOR_PPCE500MC64.
 523         (ASM_CPU_SPEC): Add e500mc64.
 524         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce500mc64.
 525         Include e500mc64.md.
 526         (abssi2_isel): Expand pattern to handle DImode.
 527         (nabs<mode>2_isel): New pattern.
 528         (absdi2): Change pattern to handle 64 bit isel targets.
 529         (absdi2_internal): Exclude ISEL targets.
 530         (nabsdi2): Exclude ISEL targets.
 531         * doc/invoke.texi: Add e500mc64 to list of cpus.
 532
 533 2009-12-07  Uros Bizjak  <ubizjak@gmail.com>
 534
 535         * config/i386/i386.md (any_or): New code iterator.
 536         (any_logic): Rename from plogic code iterator.
 537         (logicprefix): Rename from plogicprefix code attribute.
 538         (<code><mode>3): Macroize expander from {ior,xor}<mode>3 using
 539         any_or code iterator.
 540         (*<code><mode>_1): Macroize insn from *{ior,xor}<mode>_1 using
 541         any_or code iterator.
 542         (*<code><mode>_2): Ditto from *{ior,xor}<mode>_2.
 543         (*<code><mode>_3): Ditto from *{ior,xor}<mode>_3.
 544         (ior and xor splitters): Ditto.
 545         * config/i386/mmx.md: Updated for rename.
 546         * config/i386/sse.md: Ditto.
 547
 548 2009-12-07  Uros Bizjak  <ubizjak@gmail.com>
 549
 550         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
 551         Remove quotes around condition logic code.
 552
 553 2009-12-06  Richard Henderson  <rth@redhat.com>
 554
 555         PR debug/42234
 556         * tree-ssa-dom.c (degenerate_phi_result): Check for NULL phi
 557         argument earlier.
 558
 559 2009-12-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 560
 561         * doc/install.texi: Document MPC is required.
 562
 563 2009-12-06  Uros Bizjak  <ubizjak@gmail.com>
 564
 565         * config/i386/i386.md (g): Add HImode and QImode.
 566         (general_szext_operand): New mode attribute.
 567         (*test<mode>_1): Macroize insn from *test{qi,hi,si}_1 using
 568         SWI124 mode iterator.
 569         (and<mode>3): Macroize expander from and{qi,hi,si,di}3 using
 570         SWIM mode iterator.
 571         (*and<mode>_2): Macroize insn from *and{qi,hi,si}_2 using
 572         SWI124 mode iterator.
 573         (ior<mode>3): Macroize expander from ior{qi,hi,si,di}3 using
 574         SWIM mode iterator.
 575         (*ior<mode>_1): Macroize insn from *ior{hi,si,di}_1 using
 576         SWI248 mode iterator.
 577         (*ior<mode>_2): Macroize insn from *ior{qi,hi,si,di}_2 using
 578         SWI mode iterator.
 579         (*ior<mode>_3): Macroize insn from *ior{qi,hi,si,di}_3 using
 580         SWI mode iterator.
 581         (xor<mode>3): Macroize expander from xor{qi,hi,si,di}3 using
 582         SWIM mode iterator.
 583         (*xor<mode>_1): Macroize insn from *xor{hi,si,di}_1 using
 584         SWI248 mode iterator.
 585         (*xor<mode>_2): Macroize insn from *xor{qi,hi,si,di}_2 using
 586         SWI mode iterator.
 587         (*xor<mode>_3): Macroize insn from *xor{qi,hi,si,di}_3 using
 588         SWI mode iterator.
 589
 590 2009-12-05  Sebastian Pop  <sebastian.pop@amd.com>
 591
 592         * config/i386/i386.c (TARGET_DEFAULT_TARGET_FLAGS): Add
 593         MASK_FUSED_MADD.
 594         * config/i386/i386.h (CC1_CPU_SPEC_1): Remove
 595         "'-mfused-madd' was removed".
 596         * config/i386/i386.opt (mfused-madd): New.
 597         * config/i386/sse.md: Add TARGET_FUSED_MADD to FMA4 insns.
 598         * doc/invoke.texi (-mfused-madd, -mno-fused-madd): Document.
 599
 600 2009-12-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 601
 602         * pa64-hpux.h (LIB_SPEC): Handle -rdynamic.
 603         * pa-hpux10.h (LIB_SPEC): Likewise.
 604         * pa-hpux11.h (LIB_SPEC): Likewise.
 605
 606         PR ada/41912
 607         * pa/linux-unwind.h (pa32_fallback_frame_state): Set fs->signal_frame
 608         for signal frames.
 609         * pa/hpux-unwind.h (pa32_fallback_frame_state): Likewise.
 610
 611 2009-12-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 612
 613         * configure: Regenerate.
 614
 615 2009-12-05  Richard Earnshaw  <rearnsha@arm.com>
 616
 617         * arm/thumb2.md (thumb2_mulsi_short_compare0): Use a low-register
 618         for the scratch.
 619
 620 2009-12-04  David Daney  <ddaney@caviumnetworks.com>
 621
 622         PR rtl-optimization/42164
 623         * combine.c (combine_simplify_rtx): Handle truncation of integer
 624         constants.
 625
 626 2009-12-04  Richard Guenther  <rguenther@suse.de>
 627
 628         * lto-streamer-out.c (pack_ts_decl_common_value_fields):
 629         Revert previous change.
 630         (lto_output_ts_decl_common_tree_pointers): Stream DECL_VALUE_EXPR.
 631         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
 632         Likewise.
 633
 634 2009-12-04  Richard Guenther  <rguenther@suse.de>
 635
 636         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle
 637         BUILT_IN_MALLOC.
 638         (call_may_clobber_ref_p_1): Likewise.
 639
 640 2009-12-04  Matthias Klose  <doko@ubuntu.com>
 641             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 642
 643         PR target/40134
 644         * config.gcc (hppa*-*-linux*): Use config/t-slibgcc-libgcc.
 645         * config/pa/pa-linux.h (LIB_SPEC): Remove.
 646
 647 2009-12-03  Sebastian Pop  <sebastian.pop@amd.com>
 648             Richard Henderson  <rth@redhat.com>
 649
 650         * config/i386/i386-protos.h (ix86_fma4_valid_op_p): Remove.
 651         * config/i386/i386.c (ix86_fma4_valid_op_p): Remove.
 652         * config/i386/i386.md: Do not use ix86_fma4_valid_op_p.
 653         * config/i386/sse.md (fma4_*): Remove alternative with operand 1
 654         matching a memory access.  Do not use ix86_fma4_valid_op_p.
 655         (xop_*): Same.
 656         Do not use ix86_fma4_valid_op_p in FMA4 and XOP splitters.
 657
 658 2009-12-03  Richard Henderson  <rth@redhat.com>
 659
 660         * config/i386/i386.c (ix86_fixup_binary_operands): For FMA4, force
 661         all operands into registers.
 662
 663 2009-12-03  Sebastian Pop  <sebastian.pop@amd.com>
 664
 665         * config/i386/i386.c (ix86_expand_fma4_multiple_memory): Remove unused
 666         parameter.
 667         * config/i386/i386-protos.h (ix86_expand_fma4_multiple_memory): Same.
 668         * config/i386/sse.md: Same.
 669
 670 2009-12-03  Richard Guenther  <rguenther@suse.de>
 671
 672         * cgraphunit.c (assemble_thunk): Use DECL_ASSEMBLER_NAME
 673         instead of DECL_NAME for the entry point.
 674
 675 2009-12-03  Richard Earnshaw  <rearnsha@arm.com>
 676
 677         * arm/linux-atomic.c (SYNC_LOCK_RELEASE): Place memory barrier
 678         before the lock release.
 679
 680 2009-12-03  Michael Matz  <matz@suse.de>
 681
 682         PR middle-end/38474
 683         * cfgexpand.c (struct stack_var): Add conflicts member.
 684         (stack_vars_conflict, stack_vars_conflict_alloc,
 685         n_stack_vars_conflict): Remove.
 686         (add_stack_var): Initialize conflicts member.
 687         (triangular_index, resize_stack_vars_conflict): Remove.
 688         (add_stack_var_conflict, stack_var_conflict_p): Rewrite in
 689         terms of new member.
 690         (union_stack_vars): Only run over the conflicts.
 691         (partition_stack_vars): Remove special case.
 692         (expand_used_vars_for_block): Don't call resize_stack_vars_conflict,
 693         don't create self-conflicts.
 694         (account_used_vars_for_block): Don't create any conflicts.
 695         (fini_vars_expansion): Free bitmaps, don't free or clear removed
 696         globals.
 697
 698 2009-12-03  Bernd Schmidt  <bernd.schmidt@analog.com>
 699
 700         PR middle-end/42202
 701         * regrename.c (live_in_chains): New variable.
 702         (verify_reg_tracked): New static function.
 703         (scan_rtx_reg): Update live_in_chains.
 704         (scan_rtx): Only promote sets in COND_EXEC to OP_INOUT if
 705         we're already tracking the reg.
 706         (build_def_use): Likewise.  Initialize live_in_chains.
 707
 708 2009-12-03  Ken Werner  <ken.werner@de.ibm.com>
 709
 710         * config/spu/spu-elf.h (STARTFILE_SPEC): Add support for gprof
 711         startup files.
 712         * config/spu/spu-protos.h (spu_function_profiler): Add prototype.
 713         * config/spu/spu.c (spu_function_profiler): New function.
 714         * config/spu/spu.h (FUNCTION_PROFILER): Invoke
 715         spu_function_profiler.
 716         (NO_PROFILE_COUNTERS): Define.
 717         (PROFILE_BEFORE_PROLOGUE): Likewise.
 718
 719 2009-12-03  Dave Korn  <dave.korn.cygwin@gmail.com>
 720
 721         * ggc-page.c (struct free_object): Pull definition out ...
 722         (struct globals): .. from here.
 723
 724 2009-12-02  Richard Guenther  <rguenther@suse.de>
 725
 726         * fold-const.c (div_if_zero_remainder): Honor that sizetypes
 727         are sign-extending.  Simplify.
 728
 729 2009-12-02  Richard Henderson  <rth@redhat.com>
 730
 731         PR tree-opt/42215
 732         * tree-loop-distribution.c (build_size_arg_loc): Tidy.
 733         (generate_memset_zero): Convert to sizetype properly.  Tidy.
 734
 735 2009-12-02  Richard Guenther  <rguenther@suse.de>
 736
 737         * lto-streamer-out.c (pack_ts_decl_common_value_fields):
 738         Do not pretend we have value exprs.
 739
 740 2009-12-02  Richard Guenther  <rguenther@suse.de>
 741
 742         PR middle-end/41491
 743         * fold-const.c (try_move_mult_to_index): Do not leak
 744         domain types into the IL.
 745
 746 2009-12-02  Richard Guenther  <rguenther@suse.de>
 747
 748         PR middle-end/42088
 749         * tree.c (free_lang_data): Disable if not using LTO.
 750
 751 2009-12-02  Richard Guenther  <rguenther@suse.de>
 752
 753         PR middle-end/42229
 754         * cfgloopmanip.c (remove_path): Avoid cancelling loops twice.
 755
 756 2009-12-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 757
 758         PR middle-end/42224
 759         * tree.h (int_or_pointer_precision): Remove.
 760         * tree.c (int_or_pointer_precision): Remove.
 761         (integer_pow2p): Use TYPE_PRECISION instead.
 762         (tree_log2): Likewise.
 763         (tree_floor_log2): Likewise.
 764         (signed_or_unsigned_type_for): Likewise.
 765         * fold-const.c (fit_double_type): Likewise.
 766         * varasm.c (initializer_constant_valid_p): Likewise.
 767
 768 2009-12-02  Ira Rosen  <irar@il.ibm.com>
 769
 770         * doc/invoke.texi (-fdump-tree-slp): Document.
 771         (-ftree-vectorizer-verbose): Update.
 772         (-ftree-slp-vectorize): Document.
 773
 774 2009-12-02  Nick Clifton  <nickc@redhat.com>
 775
 776         * config/rx/rx.c (rx_conditional_register_usage): Do not warn if
 777         no fixed registers are available for interrupt handlers.  Do not
 778         fix normal registers.
 779         (MUST_SAVE_ACC_REGISTER): New macro.
 780         (rx_get_stack_layout): Create a stack frame for fast interrupt
 781         handlers, if necessary.  Push extra registers if needed in order
 782         to save the accumulator.
 783         (rx_expand_prologue): Create a stack frame for fast interrupt
 784         handlers, if necessary.
 785         (rx_expand_builtin_mvfc): Handle the case where there is no target.
 786
 787 2009-12-01  Sebastian Pop  <sebastian.pop@amd.com>
 788
 789         * config/i386/abmintrin.h (__lzcnt16): New.
 790         (__lzcnt): New.
 791         (__lzcnt64): New.
 792         * config/i386/i386-builtin-types.def (UINT16_FTYPE_UINT16): New.
 793         * config/i386/i386.c (IX86_BUILTIN_CLZS): New.
 794         (bdesc_special_args): Add __builtin_clzs.
 795         (ix86_expand_args_builtin): Handle UINT16_FTYPE_UINT16.
 796
 797 2009-12-01  Sebastian Pop  <sebastian.pop@amd.com>
 798
 799         * config/i386/abmintrin.h (_mm_popcnt_u32): New.
 800         (_mm_popcnt_u64): New.
 801
 802 2009-12-01  Sebastian Pop  <sebastian.pop@amd.com>
 803
 804         * config/i386/abmintrin.h: New.
 805         * config/i386/i386-c.c (ix86_target_macros_internal): Defined __ABM__.
 806         * config/i386/x86intrin.h: Include abmintrin.h when __ABM__ is defined.
 807
 808 2009-12-01  Uros Bizjak  <ubizjak@gmail.com>
 809
 810         * config/i386/i386.md (SWI124): Rename from CRC32MODE.
 811         (crc32modesuffix): Remove.
 812         (crc32modeconstraint): Ditto.
 813         (sse4_2_crc32<mode>): Update for renamed mode iterator.  Use
 814         imodesuffix instead of crc32modesuffix and <r>m instead of
 815         crc32modeconstraint.
 816
 817 2009-12-01  Jakub Jelinek  <jakub@redhat.com>
 818
 819         PR c++/42234
 820         * tree-cfgcleanup.c (cleanup_omp_return): Don't ICE if control_bb
 821         contains no statements.
 822
 823 2009-12-01  Grigori Fursin  <grigori.fursin@inria.fr>
 824             Joern Rennecke  <amylaar@spamcop.net>
 825
 826         * cgraphunit.c (plugin.h): Include.
 827         (ipa_passes): Invoke PLUGIN_ALL_IPA_PASSES_START /
 828         PLUGIN_ALL_IPA_PASSES_END at start / end of processing.
 829         * gcc-plugin.h (highlev-plugin-common.h, hashtab.h): Include.
 830         (enum plugin_event): Define by including plugin.def.
 831         Last enumerator is now called PLUGIN_EVENT_FIRST_DYNAMIC.
 832         (plugin_event_name): Change type to const char **.
 833         (get_event_last, get_named_event_id, unregister_callback): Declare.
 834         (register_callback): Change type of event argument to int.
 835         (highlev-plugin-common.h): New file.
 836         * Makefile.in (GCC_PLUGIN_H): Add highlev-plugin-common.h and
 837         $(HASHTAB_H)
 838         (tree-optimize.o passes.o): Depend on $(PLUGIN_H).
 839         (PLUGIN_HEADERS): Add opts.h, $(PARAMS_H) and plugin.def.
 840         (s-header-vars): New rule.
 841         (install-plugin): Depend on s-header-vars.  Install b-header-vars.
 842         * params.c (get_num_compiler_params): New function.
 843         * params.h (get_num_compiler_params): Declare.
 844         * passes.c (plugin.h): Include.
 845         (make_pass_instance): Invoke PLUGIN_NEW_PASS.
 846         (do_per_function_toporder, pass_init_dump_file): No longer static.
 847         (pass_fini_dump_file): Likewise.
 848         (execute_one_pass): Likewise.  Invoke PLUGIN_OVERRIDE_GATE and
 849         PLUGIN_PASS_EXECUTION.
 850         (execute_ipa_pass_list): Invoke PLUGIN_EARLY_GIMPLE_PASSES_START and
 851         PLUGIN_EARLY_GIMPLE_PASSES_END.
 852         * plugin.c (plugin_event_name_init): New array, defined by
 853         including plugin.def.
 854         (FMT_FOR_PLUGIN_EVENT): Update.
 855         (plugin_event_name): Change type to const char ** and initialize
 856         to plugin_event_name_init.
 857         (event_tab, event_last, event_horizon): New variable.
 858         (get_event_last): New function.
 859         (plugin_callbacks_init): New array.
 860         (plugin_callbacks: Change type to struct callback_info **.
 861         Initialize to plugin_callbacks_init.
 862         (htab_event_eq, get_named_event_id, unregister_callback): New function.
 863         (invoke_plugin_va_callbacks): Likewise.
 864         (register_callback): Change type of event argument to int.
 865         Handle new events.  Allow dynamic events.
 866         (invoke_plugin_callbacks): Likewise.  Return success status.
 867         (plugins_active_p): Allow dynamic callbacks.
 868         * plugin.def: New file.
 869         * plugin.h (invoke_plugin_callbacks): Update prototype.
 870         (invoke_plugin_va_callbacks): Declare.
 871         * tree-optimize.c (plugin.h): Include.
 872         (tree_rest_of_compilation): Invoke PLUGIN_ALL_PASSES_START and
 873         PLUGIN_ALL_PASSES_END.
 874         * tree-pass.h (execute_one_pass, pass_init_dump_file): Declare.
 875         (pass_fini_dump_file, do_per_function_toporder): Likewise.
 876         * doc/plugin.texi: Document new event types.
 877
 878 2009-12-01  Martin Jambor  <mjambor@suse.cz>
 879
 880         PR tree-optimization/42237
 881         * tree-sra.c (sra_ipa_modify_assign): Split gimple_reg_type assignments
 882         in between references into two.
 883
 884 2009-12-01  Richard Guenther  <rguenther@suse.de>
 885
 886         * tree-inline.c (copy_tree_body_r): Do not set TREE_BLOCK
 887         to the block of the call when remapping a type.
 888
 889 2009-12-01  Martin Jambor  <mjambor@suse.cz>
 890
 891         * cgraph.h (struct cgraph_edge): Reorder fields.  Make loop_nest
 892         unsigned short int.
 893         * ipa-prop.h (struct ipa_param_call_note): Likewise.
 894         * ipa-prop.c (ipa_note_param_call): Initialize note->loop_nest.
 895
 896 2009-12-01  Richard Guenther  <rguenther@suse.de>
 897
 898         * final.c (rest_of_clean_state): If -fcompare-debug is
 899         given dump final insns without UIDs.
 900         * tree-ssa-live.c (remove_unused_scope_block_p): Remove
 901         after_inlining checks.
 902
 903 2009-11-30  Chao-ying Fu  <fu@mips.com>
 904
 905         * config/mips/mips-dsp.md (mips_lhx_<mode>): Use sign_extend.
 906
 907 2009-11-30  Dave Korn  <dave.korn.cygwin@gmail.com>
 908
 909         * configure.ac (USE_CYGWIN_LIBSTDCXX_WRAPPERS): Define to reflect
 910         status of AC_CHECK_FUNC for Cygwin DLL libstdc++ support wrappers.
 911         * configure: Regenerate.
 912         * config.in: Regenerate.
 913
 914         * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Define list of --wrap
 915         options for Cygwin DLL libstdc++ support wrappers.
 916         (CXX_WRAP_SPEC_OPT): Define spec to use wrappers or not by default
 917         according to defined value of USE_CYGWIN_LIBSTDCXX_WRAPPERS.
 918         (CXX_WRAP_SPEC): Define entire wrapper spec in or out according to
 919         whether USE_CYGWIN_LIBSTDCXX_WRAPPERS is even defined or not.
 920         (LINK_SPEC): Include CXX_WRAP_SPEC.
 921         * gcc/config/i386/winnt.c (wrapper_strcmp): New qsort helper function.
 922         (i386_find_on_wrapper_list): Check if a function is found on the list
 923         of libstdc++ wrapper options.
 924         (i386_pe_file_end): If we are importing a wrapped function, also emit
 925         an external declaration for the real version.
 926         * config/i386/cygming.opt (muse-libstdc-wrappers): New option for
 927         Cygwin targets. Update copyright year.
 928
 929 2009-11-30  Steve Ellcey  <sje@cup.hp.com>
 930             Jakub Jelinek <jakub@redhat.com>
 931
 932         * function.c (instantiate_virtual_regs_in_insn): Copy to new reg
 933         before forcing mode.
 934
 935 2009-11-30  Anatoly Sokolov  <aesok@post.ru>
 936
 937         * config/sh/sh.c (sh_promote_prototypes): Make static.
 938         (sh_function_value, sh_libcall_value, sh_function_value_regno_p): New
 939         functions.
 940         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
 941         * config/sh/sh.h (FUNCTION_VALUE_REGNO_P): Redefine, use
 942         sh_function_value_regno_p.
 943         (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
 944         * config/sh/sh-protos.h (sh_function_value_regno_p): Declare.
 945         (sh_promote_prototypes) : Remove.
 946
 947 2009-11-30  Julian Brown  <julian@codesourcery.com>
 948
 949         * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Don't restrict Thumb-2
 950         reloads to LO_REGS.
 951
 952 2009-11-30  Richard Henderson  <rth@redhat.com>
 953
 954         * config/i386/i386.c (ix86_vec_interleave_v2df_operator_ok): New.
 955         (bdesc_special_args): Update insn codes.
 956         (avx_vpermilp_parallel): Correct range check.
 957         (ix86_rtx_costs): Handle vector permutation rtx codes.
 958         (struct expand_vec_perm_d): Move earlier.
 959         (get_mode_wider_vector): New.
 960         (expand_vec_perm_broadcast_1): New.
 961         (ix86_expand_vector_init_duplicate): Use it.  Tidy AVX modes.
 962         (expand_vec_perm_broadcast): New.
 963         (ix86_expand_vec_perm_builtin_1): Use it.
 964         * config/i386/i386-protos.h: Update.
 965         * config/i386/predicates.md (avx_vbroadcast_operand): New.
 966         * config/i386/sse.md (AVX256MODE24P): New.
 967         (ssescalarmodesuffix2s): New.
 968         (avxhalfvecmode, avxscalarmode): Fill out to all modes.
 969         (avxmodesuffixf2c): Add V8SI, V4DI.
 970         (vec_dupv4sf): New expander.
 971         (*vec_dupv4sf_avx): Add vbroadcastss alternative.
 972         (*vec_set<mode>_0_avx, **vec_set<mode>_0_sse4_1): Macro-ize for
 973         V4SF and V4SI.  Move C alternatives to front.  Add insertps and
 974         pinsrd alternatives.
 975         (*vec_set<mode>_0_sse2): Split out from ...
 976         (vec_set<mode>_0): Macro-ize for V4SF and V4SI.
 977         (vec_interleave_highv2df, vec_interleave_lowv2df): Require register
 978         destination; use ix86_vec_interleave_v2df_operator_ok, instead of
 979         ix86_fixup_binary_operands.
 980         (*avx_interleave_highv2df, avx_interleave_lowv2df): Add movddup.
 981         (*sse3_interleave_highv2df, sse3_interleave_lowv2df): New.
 982         (*avx_movddup, *sse3_movddup): Remove.  New splitter from
 983         vec_select form to vec_duplicate form.
 984         (*sse2_interleave_highv2df, sse2_interleave_lowv2df): Use
 985         ix86_vec_interleave_v2df_operator_ok.
 986         (avx_movddup256, avx_unpcklpd256): Change to expanders, merge into ...
 987         (*avx_unpcklpd256): ... here.
 988         (*vec_dupv4si_avx): New.
 989         (*vec_dupv2di_avx): Add movddup alternative.
 990         (*vec_dupv2di_sse3): New.
 991         (vec_dup<AVX256MODE24P>): Replace avx_vbroadcasts<AVXMODEF4P> and
 992         avx_vbroadcastss256; represent with vec_duplicate instead of
 993         nested vec_concat operations.
 994         (avx_vbroadcastf128_<mode>): Rename from
 995         avx_vbroadcastf128_p<avxmodesuffixf2c>256.
 996         (*avx_vperm_broadcast_v4sf): New.
 997         (*avx_vperm_broadcast_<AVX256MODEF2P>): New.
 998
 999 2009-11-30  Martin Jambor  <mjambor@suse.cz>
1000
1001         PR middle-end/42196
1002         * tree-sra.c (struct access): New field grp_different_types.
1003         (dump_access): Dump grp_different_types.
1004         (compare_access_positions): Prefer scalars and vectors over other
1005         scalar types.
1006         (sort_and_splice_var_accesses): Set grp_different_types if appropriate.
1007         (sra_modify_expr): Use the original also when dealing with a complex
1008          or vector group accessed as multiple types.
1009
1010 2009-11-30  Richard Henderson  <rth@redhat.com>
1011
1012         * config/i386/i386.c (avx_vperm2f128_parallel): New.
1013         * config/i386/i386-protos.h: Declare it.
1014         * config/i386/predicates.md (avx_vperm2f128_v8sf_operand,
1015         avx_vperm2f128_v8si_operand, avx_vperm2f128_v4df_operand): New.
1016         * config/i386/sse.md (avx_vperm2f128<mode>3): Change to expander.
1017         (*avx_vperm2f128<mode>_full): Renamed from avx_vperm2f128<mode>3.
1018         (*avx_vperm2f128<mode>_nozero): New.
1019
1020 2009-11-30  Richard Henderson  <rth@redhat.com>
1021
1022         * config/i386/i386-builtin-types.def (V4DF_FTYPE_V4DF_V4DF_V4DI): New.
1023         (V8SF_FTYPE_V8SF_V8SF_V8SI): New.
1024         * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Support
1025         V4DF and V8SF for AVX; relax constraint on V4SF to SSE1 from SSE2.
1026         (IX86_BUILTIN_VEC_PERM_V4DF, IX86_BUILTIN_VEC_PERM_V8SF): New.
1027         (bdesc_args): Add them.
1028         (ix86_expand_builtin): Expand them.
1029         (expand_vec_perm_pshufb2): Only operate on 16-byte vectors.
1030
1031 2009-11-30  Martin Jambor  <mjambor@suse.cz>
1032
1033         PR middle-end/42206
1034         * ipa-prop.c (ipa_write_node_info): Initialize note_count to zero.
1035
1036 2009-11-30  Jakub Jelinek  <jakub@redhat.com>
1037
1038         * ipa-reference.c (propagate): Only dump bitmaps if computed.
1039
1040 2009-11-30  Olga Golovanevsky  <olga@il.ibm.com>
1041
1042         PR middle-end/39806
1043         * ipa-struct-reorg.c (new_var_eq): Use DECL_UID to hash new variables.
1044         (new_var_hash): Likewise.
1045         (is_in_new_vars_htab): Likewise.
1046         (add_to_new_vars_htab): Likewise.
1047
1048 2009-11-30  Ira Rosen  <irar@il.ibm.com>
1049
1050         * tree-vect-stmts.c (vectorizable_assignment): Support
1051         multiple types.
1052
1053 2009-11-30  Richard Guenther  <rguenther@suse.de>
1054
1055         * doc/contrib.texi (Contributors): Add myself.
1056
1057 2009-11-30  Richard Guenther  <rguenther@suse.de>
1058
1059         * tree.c (free_lang_data): Do not set debug_info_level to
1060         none if terse.
1061
1062 2009-11-30  Richard Guenther  <rguenther@suse.de>
1063
1064         PR middle-end/42119
1065         PR fortran/38530
1066         * expr.c (expand_expr_addr_expr_1): Properly expand the initializer
1067         of CONST_DECLs.
1068
1069 2009-11-30  Richard Guenther  <rguenther@suse.de>
1070
1071         * tree-into-ssa.c (insert_phi_nodes): Add PHI nodes in
1072         variable UID order.
1073
1074 2009-11-30  Richard Guenther  <rguenther@suse.de>
1075
1076         * tree-dump.c (dump_option_value_in): Add TDF_NOUID.
1077         * tree-pass.h (TDF_NOUID): Likewise.
1078         * print-rtl.c: Include tree-pass.h.
1079         (print_mem_expr): Pass dump_flags.
1080         (print_rtx): Likewise.
1081         * print-tree.c: Include tree-pass.h.
1082         (print_node_brief): Handle TDF_NOUID.
1083         (print_node): Likewise.
1084         * tree-pretty-print.c (dump_decl_name): Likewise.
1085         (dump_generic_node): Likewise.
1086         * Makefile.in (print-rtl.o, print-tree.o): Add $(TREE_PASS_H)
1087         dependency.
1088
1089 2009-11-30  Nick Clifton  <nickc@redhat.com>
1090
1091         * config/stormy16/stormy16-lib2-count-leading-zeros.c: Delete.
1092         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Remove
1093         stormy16-lib2-count-leading-zeros.c.
1094         * config/stormy16/stormy16-lib2.c (__clzhi2): Move code from
1095         __stormy16_count_leading_zeros() into this function.
1096         (__ctzhi2): Use __builtin_clz.
1097         (__ffshi2): Likewise.
1098
1099 2009-11-30  Eric Botcazou  <ebotcazou@adacore.com>
1100
1101         * config/sparc/sparc.c (DF_MODES): Simplify.
1102         (TF_ONLY_MODES, OF_ONLY_MODES): Delete.
1103         (TF_MODES, OF_MODES): Adjust for above change.
1104         (TF_MODES_NO_S, OF_MODES_NO_S): Likewise.
1105         *  config/sparc/sparc.h (REGNO_REG_CLASS): Move around.
1106
1107 2009-11-30  Paolo Bonzini  <bonzini@gnu.org>
1108
1109         PR rtl-optimization/41812
1110         * fwprop.c (local_md, local_lr): New globals.
1111         (process_defs, process_uses): Remove local_md argument.  Never
1112         consider dead pseudos to have singleton def-use chains.
1113         (single_def_use_enter_block): Perform LR simulation.
1114         (build_single_def_use_links): Remove local_md local variable.
1115         Add DF_NOTE.  Allocate local_lr.
1116         (fwprop_done): Do not remove DF_CHAIN, we do not use it anymore.
1117         * df-problems.c (df_md_scratch): New.
1118         (df_md_alloc, df_md_free): Allocate/free it.
1119         (df_md_local_compute): Only include live registers in init.
1120         (df_md_transfer_function): Prune the in-set computed by
1121         the confluence function, and the gen-set too.
1122
1123 2009-11-30  Hans-Peter Nilsson  <hp@axis.com>
1124
1125         PR rtl-optimization/40086
1126         * reorg.c (relax_delay_slots): When looking for redundant insn at
1127         the branch target, use next_real_insn, not next_active_insn.
1128
1129 2009-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1130
1131         * doc/install.texi: Update minimum MPC version to 0.8.
1132
1133 2009-09-09  Segher Boessenkool  <segher@kernel.crashing.org>
1134
1135         * config/rs6000/rs6000.md (fnmaddsf4_powerpc_1): Remove
1136         HONOR_SIGNED_ZEROS final condition.
1137         (fnmsubsf4_powerpc_1): Same.
1138         (fnmadddf4_fpr_1): Same.
1139         (fnmsubdf4_fpr_1): Same.
1140
1141 2009-11-29  Ira Rosen  <irar@il.ibm.com>
1142
1143         PR tree-optimization/42193
1144         * tree-vect-stmts.c (vectorizable_operation): Set vectorization factor
1145         to 1 in case of basic block SLP.
1146         (vectorizable_load): Likewise.
1147
1148 2009-11-28  Jan Hubicka  <jh@suse.cz>
1149
1150         * cgraph.c (same_body_alias_1): Break out of
1151         (same_body_alias): ... here; remove comdat check; it is handled
1152         in cp already.
1153         (cgraph_add_thunk): New.
1154         (dump_cgraph_node): Dump aliases and thunks.
1155         * cgraph.h (cgraph_thunk_info): New structure.
1156         (struct cgraph_node): Add thunk info.
1157         (cgraph_add_thunk): New.
1158         * cgraphunit.c (cgraph_emit_thunks): Remove.
1159         (cgraph_finalize_compilation_unit): Do not call cgraph_emit_thunks.
1160         (assemble_thunk): New function.
1161         (cgraph_expand_function): Handle thunks.
1162         (thunk_adjust): New.
1163         (init_lowered_empty_function): New.
1164         * cp-objcp-common.h (LANG_HOOKS_CALLGRAPH_EMIT_ASSOCIATED_THUNKS):
1165         Remove.
1166         * lto-cgraph.c (lto_output_node): Stream thunk info.
1167         (input_node): Likewise.
1168         * langhooks.h (lang_hooks_for_callgraph): Remove emit_associated_thunks.
1169         * langhooks-def.h (LANG_HOOKS_CALLGRAPH_EMIT_ASSOCIATED_THUNKS): Remove.
1170         (LANG_HOOKS_CALLGRAPH_INITIALIZER): Update.
1171         * i386.c (x86_output_mi_thunk): Make output prettier.
1172
1173 2009-11-28  Richard Guenther  <rguenther@suse.de>
1174
1175         PR tree-optimization/42183
1176         * tree-nrv.c (tree_nrv): Bail out if the RESULT_DECL has its
1177         address taken.  Merge the addressable state of the NRV
1178         variable and the result instead of copying it.
1179
1180 2009-11-28  Jakub Jelinek  <jakub@redhat.com>
1181
1182         * matrix-reorg.c (analyze_matrix_allocation_site): Remove unused
1183         malloc_fname variable.
1184         (check_allocation_function): Remove unused gsi and bb_level_0
1185         variables.
1186         (transform_access_sites): Remove unused d_type_size and d_type_size_k
1187         variables.
1188         * omega.c (resurrect_subs): Remove unused n variable.
1189         (omega_solve_geq): Remove unused neweqns variable.
1190         * lto-streamer-in.c (lto_read_tree): Remove unused end_marker variable.
1191         * tree-inline.c (declare_return_variable): Remove USE_P argument,
1192         return use instead of var.
1193         (remap_decl, remap_block): Remove unused fn variable.
1194         (expand_call_inline): Remove unused retvar variable, adjust
1195         declare_return_variable caller.
1196         (optimize_inline_calls): Remove unused prev_fn variable.
1197         * tree-vect-slp.c (vect_analyze_slp_instance): Remove unused ncopies
1198         variable.
1199         (vect_create_mask_and_perm): Remove unused group_size and dr_chain_size
1200         variables.
1201         * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle MINUS_EXPR
1202         properly.
1203         * tree-vect-loop.c (vect_analyze_loop_form): Remove unused backedge
1204         variable.
1205         (vect_create_epilog_for_reduction): Remove unused bytesize variable.
1206         * omp-low.c (workshare_safe_to_combine_p): Remove par_entry_bb
1207         parameter.  Remove unused par_stmt variable.
1208         (determine_parallel_type): Adjust workshare_safe_to_combine_p caller.
1209         (expand_omp_sections): Remove unused l1 variable.
1210         (lower_omp_for): Remove unused ilist variable.
1211         * tree-loop-distribution.c (mark_nodes_having_upstream_mem_writes):
1212         Remove unused has_upstream_mem_write_p variable.
1213         * recog.c (decode_asm_operands): Remove unused noperands variable.
1214         * tree-ssa-alias.c (refs_may_alias_p_1): Remove unused size1 and
1215         size2 variable.
1216         * libgcov.c (__gcov_merge_delta): Remove unused last variable.
1217         * tree-call-cdce.c (gen_conditions_for_pow_int_base): Remove unused
1218         base_nm variable.
1219         (gen_conditions_for_pow): Remove unused ec variable.
1220         * tree-ssa-sccvn.c (vn_reference_lookup_3): Remove unused size
1221         variable.
1222         * ipa-struct-reorg.c (program_redefines_malloc_p): Remove unused
1223         fndecl variable.
1224         * tree-ssa-sink.c (statement_sink_location): Remove unused code
1225         variable.
1226         * regmove.c (copy_src_to_dest): Remove unused insn_uid and move_uid
1227         variables.
1228         * tree-complex.c (create_one_component_var): Remove unused inner_type
1229         variable.
1230         * calls.c (emit_call_1): Don't GEN_INT (struct_value_size)
1231         unnecessarily when GEN_*CALL omits that argument.
1232         * regrename.c (regrename_optimize): Remove unused regs_seen variable.
1233         (build_def_use): Remove unused icode variable.
1234         * ipa-pure-const.c (check_call): Remove unused callee and avail
1235         variables.
1236         * tree-dfa.c (add_referenced_var): Remove unused v_ann variable.
1237         * tree-vect-patterns.c (vect_recog_pow_pattern): Remove unused type
1238         variable.
1239         (vect_pattern_recog): Remove unused stmt variable.
1240         * sel-sched-ir.c (make_regions_from_the_rest): Remove unused
1241         new_regions variable.
1242         * postreload.c (reload_cse_simplify_operands): Remove unused mode
1243         variable.
1244         * tree-parloops.c (create_call_for_reduction_1): Remove unused
1245         addr_type variable.
1246         (create_parallel_loop): Remove unused res variable.
1247         (gen_parallel_loop): Remove unused nloop variable.
1248         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
1249         * value-prof.c (gimple_mod_subtract_transform,
1250         gimple_stringops_transform): Remove unused value variable.
1251         (gimple_stringops_values_to_profile): Remove unused fcode variable.
1252         * tree-vrp.c (register_new_assert_for): Remove unused found variable.
1253         (vrp_visit_switch_stmt): Remove unused n variable.
1254         * tree-vect-stmts.c (vectorizable_conversion): Remove unused expr
1255         variable.
1256         (vectorizable_operation): Remove unused shift_p variable.
1257         (vectorizable_store): Remove unused first_stmt_vinfo variable.
1258         * tree-ssa-operands.c (add_stmt_operand): Remove unused v_ann variable.
1259         * tree-vect-data-refs.c (vect_analyze_data_refs): Remove unused bb
1260         variable.
1261         (vect_permute_store_chain): Remove unused scalar_dest variable.
1262         (vect_supportable_dr_alignment): Remove unused invariant_in_outerloop
1263         variable.
1264         * tree-ssa-threadupdate.c (thread_single_edge): Remove unused
1265         local_info variable.
1266         * tree-optimize.c (tree_rest_of_compilation): Remove unused node
1267         variable.
1268         * optabs.c (expand_binop): Remove unused equiv_value variable.
1269         (emit_libcall_block): Remove unused prev variable.
1270         (init_optabs): Remove unused int_mode variable.
1271         * tree-ssa-structalias.c (scc_visit): Remove unused have_ref_node
1272         variable.
1273         (do_structure_copy): Remove unused lhsbase and rhsbase variables.
1274         (find_func_aliases): Remove unused rhstype variable.
1275         (ipa_pta_execute): Remove unused varid variable.
1276
1277 2009-11-28  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
1278
1279         * config/avr/avr.h (ASM_OUTPUT_EXTERNAL): Add.
1280
1281 2009-11-28  David Binderman  <dcb314@hotmail.com>
1282
1283         * ira-color.c (put_allocno_into_bucket): Remove set but not used
1284         local variable hard_regs_num.
1285         * ira-lives.c (process_single_reg_class_operands): Remove cover_class.
1286         * loop-unswitch.c (unswitch_loop): Remove zero_bitmap.
1287         * lower-subreg.c (decompose_multiword_subregs): Remove next.
1288
1289 2009-11-27  Martin Jambor  <mjambor@suse.cz>
1290
1291         PR middle-end/42006
1292         * tree-sra.c (get_replaced_param_substitute): Call create_tmp_var
1293         instead of create_tmp_var.  Set DECL_GIMPLE_REG_P to one manually
1294         for vector and complex types.
1295         (get_adjustment_for_base): Describe return value in the comment.
1296
1297 2009-11-27  Nick Clifton  <nickc@redhat.com>
1298
1299         * longlong.h (count_leading_zeros): Define macro for stormy16 target.
1300         (COUNT_LEADING_ZEROS_0): Likewise.
1301         * config/stormy16/stormy16-lib2.c: Arrange for separate
1302         compilation of each function.
1303         (__ffshi2): New function.
1304         (__stormy16_count_leading_zeros): New function.
1305         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Use stub files to
1306         compile each function into its own object file.
1307         (stormy16-lib2-ashlsi3.c): New stub file.
1308         (stormy16-lib2-ashrsi3.c): New stub file.
1309         (stormy16-lib2-clzhi2.c): New stub file.
1310         (stormy16-lib2-count-leading-zeros.c): New stub file.
1311         (stormy16-lib2-ctzhi2.c): New stub file.
1312         (stormy16-lib2-divsi3.c): New stub file.
1313         (stormy16-lib2-ffshi2.c): New stub file.
1314         (stormy16-lib2-lshrsi3.c): New stub file.
1315         (stormy16-lib2-modsi3.c): New stub file.
1316         (stormy16-lib2-parityhi2.c): New stub file.
1317         (stormy16-lib2-popcounthi2.c): New stub file.
1318         (stormy16-lib2-udivmodsi4.c): New stub file.
1319         (stormy16-lib2-udivsi3.c): New stub file.
1320         (stormy16-lib2-umodsi3.c): New stub file.
1321
1322 2009-11-27  Richard Henderson  <rth@redhat.com>
1323
1324         * config/i386/sse.md (vec_interleave_highv16qi,
1325         vec_interleave_lowv16qi, vec_interleave_highv8hi,
1326         vec_interleave_lowv8hi, vec_interleave_highv4si,
1327         vec_interleave_lowv4si, vec_interleave_highv2di,
1328         vec_interleave_lowv2di, vec_interleave_highv4sf,
1329         vec_interleave_lowv4sf, vec_interleave_highv2df,
1330         vec_interleave_lowv2df): Remove expanders.
1331         (sse_unpcklps, sse_unpckhps, sse2_unpckhpd_exp, sse2_unpcklpd_exp,
1332         sse2_punpckhqdq, sse2_punpcklqdq, sse2_punpckhbw, sse2_punpcklbw,
1333         sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq):
1334         Rename to their proper vec_interleave equivalent.  Update all users
1335         to the new name.
1336         * config/i386/i386.c, config/i386/i386.md: Update all users.
1337
1338 2009-11-27  Michael Matz  <matz@suse.de>
1339
1340         PR rtl-optimization/42084
1341         * cfgexpand.c (maybe_cleanup_end_of_block): Add new parameter,
1342         use it to stop walking.
1343         (expand_gimple_cond): Adjust call to above.
1344
1345 2009-11-27  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1346
1347         PR target/41810
1348         * gthr-solaris.h (__gthread_mutex_destroy): Remove UNUSED.
1349         [SUPPORTS_WEAK && GTHREAD_USE_WEAK] (__gthread_active_p): Use
1350         __extension__ to allow cast from function pointer to object
1351         pointer in C++.
1352         * doc/install.texi (--enable-threads): Clarify use of Solaris threads.
1353
1354 2009-11-27  Steven Bosscher  <steven@gcc.gnu.org>
1355
1356         * config/ia64/itanium1.md: Remove.
1357         * config/ia64/ia64.md: Do not include it.
1358         * config/ia64/ia64.c (ia64_handle_option): Remove "itanium",
1359         "itanium1", and "merced" from the processor alias table.
1360         (clocks, add_cycles): Remove global variables.
1361         (ia64_sched_reorder2): Don't set/use them.
1362         (ia64_dfa_new_cycle, ia64_h_i_d_extended, ia64_reorg): Likewise.
1363         (bundling): Likewise. Remove extra pass for MMMUL/MMSHF.
1364
1365 2009-11-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1366
1367         * config/s390/s390.c (last_scheduled_insn): New variable.
1368         (s390_fpload_toreg, s390_z10_prevent_earlyload_conflicts): New
1369         functions.
1370         (s390_sched_reorder, s390_sched_variable_issue): New functions.
1371         (TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_REORDER): Target hooks
1372         defined.
1373
1374 2009-11-27  Michael Matz  <matz@suse.de>
1375
1376         PR c++/41906
1377         * tree-eh.c (lower_catch): Stop after expanding a catch-all.
1378
1379 2009-11-27  Richard Guenther  <rguenther@suse.de>
1380
1381         * timevar.def (TV_LOOP_MOVE_INVARIANTS, TV_LOOP_UNSWITCH,
1382         TV_LOOP_UNROLL, TV_LOOP_DOLOOP): New timevars.
1383         * loop-init.c (pass_rtl_move_loop_invariants): Use
1384         TV_LOOP_MOVE_INVARIANTS.
1385         (pass_rtl_unswitch): Use TV_LOOP_UNSWITCH.
1386         (pass_rtl_unroll_and_peel): Use TV_LOOP_UNROLL.
1387         (pass_rtl_doloop): Use TV_LOOP_DOLOOP.
1388
1389 2009-11-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1390
1391         * emit-rtl.c (next_active_insn, prev_active_insn): Correct comment.
1392
1393 2009-11-27  Jakub Jelinek  <jakub@redhat.com>
1394
1395         * config/i386/i386.c (ix86_emit_restore_sse_regs_using_mov): Remove
1396         unused insn variable.
1397         * genemit.c (output_peephole2_scratches): Only declare and initialize
1398         _regs_allocated if it will be ever used.
1399         * cfgloopmanip.c (create_empty_if_region_on_edge): Remove unused
1400         succ_bb variable.
1401         (create_empty_loop_on_edge): Remove unused freq and cnt variables.
1402         * unwind-c.c (PERSONALITY_FUNCTION): Remove unused action_record
1403         variable.
1404
1405         * opts.c (decode_options): If optimize is bigger than 255,
1406         set it to 255.
1407
1408 2009-11-26  Richard Henderson  <rth@redhat.com>
1409
1410         * config/i386/sse.md (mulv16qi3): Change back from an expander
1411         to an insn-and-split.
1412         (mulv4si): Mention AVX not XOP for AVX exception.
1413         (*sse2_mulv4si3): Likewise.
1414         (mulv2di3): Use vmulld not vpmacsdd for XOP expansion.  Tidy.
1415
1416 2009-11-26  Bernd Schmidt  <bernd.schmidt@analog.com>
1417
1418         * cfgexpand (n_stack_vars_conflict): New static variable.
1419         (triangular_index): Reduce likelyhood of overflow by performing
1420         the division before the multiplication.
1421         (resize_stack_vars_conflict): Call fatal_error if overflow
1422         occurred in triangular_index.  Update n_stack_vars_conflict.
1423
1424         PR rtl-opt/38582
1425         * regrename.c (struct du_chain): Remove member earlyclobber.
1426         (scan_rtx_reg): Don't set it.  Remove argument earlyclobber,
1427         all callers changed.
1428         (scan_rtx): Remove argument earlyclobber, all callers changed.
1429         (hide_operands, restore_operands, record_out_operands): New functions,
1430         broken out of build_def_use.
1431         (build_def_use): Call them as necessary.
1432
1433         * regrename.c (struct du_head): New members id, conflicts,
1434         hard_conflicts and cannot_rename.
1435         (enum scan_actions): Remove terminate_all_read and
1436         terminate_overlapping_read; add mark_all_read.
1437         (scan_actions_name): Likewise.
1438         (du_head_p): New typedef.  Define a vector type for it.
1439         (id_to_chain): New static variable.
1440         (note_sets, clear_dead_regs): Delete functions.
1441         (free_chain_data): New function.
1442         (merge_overlapping_regs): Simply walk the conflicts bitmap.
1443         Remove argument B, all callers changed.
1444         (regrename_optimize): Allocate id_to_chain.  Ignore chains that have
1445         the cannot_rename bit set.  Update regno and nregs of a renamed chain.
1446         Call free_chain_data when done.
1447         (do_replace): Remove death notes when the renamed reg is set in the
1448         last insn; add them if not.
1449         (mark_conflict, note_sets_clobbers): New static function.
1450         (fail_current_block, current_id, open_chains_set, live_hard_regs): New
1451         static variables.
1452         (scan_rtx_reg): Keep track of conflicts between chains, and between
1453         chains and hard regs.  Don't terminate chains when we find a read we
1454         can't handle, mark it unrenameable instead.  For terminate_write,
1455         terminate chains that are written with an exact match or a superset
1456         of registers.  Set fail_current_block if multi-word lifetimes are too
1457         complex to handle.
1458         (scan_rtx_address): Use mark_all_read instead of terminate_all_read.
1459         (build_def_use): Initialize current_id, live_chains and live_hard_regs;
1460         free memory for them when done.
1461         Rearrange the steps so that earlyclobbers are noted before reads
1462         are processed.  Add new steps to keep track of hard register lifetimes
1463         outside insn operands.
1464
1465 2009-11-26  Richard Guenther  <rguenther@suse.de>
1466
1467         * tree-ssa-dce.c (nr_walks): New variable.
1468         (mark_aliased_reaching_defs_necessary): Adjust oracle cut-off.
1469         (perform_tree_ssa_dce): Init nr_walks.
1470
1471 2009-11-26  Michael Matz  <matz@suse.de>
1472
1473         PR tree-optimization/41905
1474         * tree-eh.c (lower_eh_constructs_2): Don't add assignments
1475         below statements that can't fall thru.
1476
1477 2009-11-26  Michael Matz  <matz@suse.de>
1478
1479         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1480         expand_builtin_sprintf): Remove.
1481         (expand_builtin): Don't call them.
1482
1483 2009-11-26  Richard Guenther  <rguenther@suse.de>
1484
1485         * tree-ssa-dce.c (perform_tree_ssa_dce): Allocate visited bitmap.
1486
1487 2009-11-26  Nick Clifton  <nickc@redhat.com>
1488
1489         * config/rx/rx.c (rx_expand_epilogue): Add checks for sibcalls
1490         being used incorrectly.
1491         (rx_function_ok_for_sibcall): New function.  Do not allow indirect
1492         sibcalls, or sibcalls from interrupt functions.
1493         (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
1494         * config/rx/rx.md (sibcall): Convert to a define_expand.  Check
1495         for a MEM inside a MEM.
1496         (sibcall_value): Likewise.
1497         (sibcall_internal): New pattern containing old sibcall pattern.
1498         (sibcall_value_internal): Likewise.
1499
1500 2009-11-25  Richard Henderson  <rth@redhat.com>
1501
1502         * config/i386/i386-builtin-types.awk (DEF_VECTOR_TYPE): Allow an
1503         optional 3rd argument to define the mode.
1504         * config/i386/i386-builtin-types.def (UQI, UHI, USI, UDI): New.
1505         (V2UDI, V4USI, V8UHI, V16UQI): New.
1506         (V4SF_FTYPE_V4SF_V4SF_V4SI, V2UDI_FTYPE_V2UDI_V2UDI_V2UDI,
1507         V4USI_FTYPE_V4USI_V4USI_V4USI, V8UHI_FTYPE_V8UHI_V8UHI_V8UHI,
1508         V16UQI_FTYPE_V16UQI_V16UQI_V16UQI): New.
1509         * config/i386/i386-modes.def: Rearrange for double-wide AVX.
1510         * config/i386/i386-protos.h (ix86_expand_vec_extract_even_odd): New.
1511         * config/i386/i386.c (IX86_BUILTIN_VEC_PERM_*): New.
1512         (bdesc_args): Add the builtin definitions to match.
1513         (ix86_expand_builtin): Expand them.
1514         (ix86_builtin_vectorization_cost): Rename from
1515         x86_builtin_vectorization_cost.
1516         (ix86_vectorize_builtin_vec_perm, struct expand_vec_perm_d,
1517         doublesize_vector_mode, expand_vselect, expand_vselect_vconcat,
1518         expand_vec_perm_blend, expand_vec_perm_vpermil,
1519         expand_vec_perm_pshufb, expand_vec_perm_1,
1520         expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_palignr,
1521         expand_vec_perm_interleave2, expand_vec_perm_pshufb2,
1522         expand_vec_perm_even_odd_1, expand_vec_perm_even_odd,
1523         ix86_expand_vec_perm_builtin_1, extract_vec_perm_cst,
1524         ix86_expand_vec_perm_builtin, ix86_vectorize_builtin_vec_perm_ok,
1525         ix86_expand_vec_extract_even_odd, TARGET_VECTORIZE_BUILTIN_VEC_PERM,
1526         TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): New.
1527         * sse.md (SSEMODE_EO): New.
1528         (vec_extract_even<mode>): Use SSEMODE_EO and
1529         ix86_expand_vec_extract_even_odd.
1530         (vec_extract_odd<mode>): Likewise.
1531         (mulv16qi3, vec_pack_trunc_v8hi, vec_pack_trunc_v4si,
1532         vec_pack_trunc_v2di): Use ix86_expand_vec_extract_even_odd.
1533
1534 2009-11-25  Richard Henderson  <rth@redhat.com>
1535
1536         * target.h (targetm.vectorize.builtin_vec_perm_ok): New.
1537         * target-def.h (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): New.
1538         * hooks.h, hooks.c (hook_bool_tree_tree_true): New.
1539         * tree-vect-slp.c (vect_create_mask_and_perm): Don't create
1540         the vector constant here...
1541         (vect_transform_slp_perm_load): ... do it here instead.  Validate
1542         that the permutation vector is implementable by the target.
1543
1544 2009-11-25  Jakub Jelinek  <jakub@redhat.com>
1545
1546         * config/rs6000/sysv4.opt (mregnames): Change Var to rs6000_regnames.
1547         * config/rs6000/sysv4.h (TARGET_REGNAMES): Define.
1548
1549         * print-rtl.c (print_rtx): When printing newline, append
1550         print_rtx_head and indentation after the newline.
1551
1552         PR target/42165
1553         * config/i386/i386.c (print_operand): For 32-byte memory use
1554         YMMWORD in -masm=intel mode.  Use TBYTE instead of XWORD.
1555         * config/i386/i386.md (crc32modesuffix): Expand to nothing
1556         in -masm=intel mode.
1557         (sse4_2_crc32di): Print just crc32 instead of crc32q in
1558         -masm=intel mode.
1559         * config/i386/mmx.md (*mmx_pinsrw): Print correct size of
1560         memory operand in -masm=intel mode.
1561         * config/i386/sse.md (*avx_pinsr<ssevecsize>, *sse4_1_pinsrb,
1562         *sse2_pinsrw): Likewise.
1563         (sse_cvtss2siq, sse_cvtss2siq_2, sse_cvttss2siq): Don't print
1564         q suffix in -masm=intel mode.
1565
1566 2009-11-25  Eric Botcazou  <ebotcazou@adacore.com>
1567
1568         PR target/10127
1569         PR ada/20548
1570         PR middle-end/42004
1571         * dwarf2out.c (dwarf2out_args_size_adjust): Rename to...
1572         (dwarf2out_stack_adjust): ...this.  Do not adjust the arg size for
1573         ACCUMULATE_OUTGOING_ARGS targets.  Rename former version to...
1574         (dwarf2out_notice_stack_adjust): ...this.  Adjust for above renaming.
1575         (dwarf2out_frame_debug_expr): Revert previous change and adjust for
1576         above renaming.
1577         (dwarf2out_frame_debug): Add ??? comment.  Adjust for above renaming.
1578
1579 2009-11-25  Uros Bizjak  <ubizjak@gmail.com>
1580
1581         * config/i386/predicates.md (emms_operation): New predicate.
1582         (vzeroupper_operation): Ditto.
1583         (vzeroall_operation): Improve pattern recognition.
1584         * config/i386/sse.md (avx_vzeroupper_rex64): Remove insn pattern.
1585         (avx_vzeroupper): Change insn pattern to expander.
1586         (*avx_vzeroupper): New insn pattern.  Use vzeroupper_operation
1587         predicate.
1588         (*avx_vzeroall): Remove operands 1 and 2.
1589         * config/i386/mmx.md (mmx_emms): Change insn pattern to expander.
1590         (mmx_femms): Ditto.
1591         (*mmx_emms): New insn pattern.  Use emms_operation predicate.
1592         (*mmx_femms): Ditto.
1593         * config/i386/i386.c (enum ix86_builtins)
1594         <IX86_BUILTIN_VZEROUPPER_REX64>: Remove.
1595         (struct builtin_description) <CODE_FOR_avx_vzeroupper_rex64>:
1596         Remove initailization.
1597         <CODE_FOR_avx_vzeroupper>: Unconditionally initialize here.
1598
1599 2009-11-25  Paul Brook  <paul@codesourcery.com>
1600
1601         * config/arm/arm.md (consttable_4): Handle (high ...).
1602
1603 2009-11-25  Robert Nelson  <robert.nelson@digikey.com>
1604             Richard Earnshaw  <rearnsha@arm.com>
1605
1606         * arm.h (enum vfp_reg_type): Add VFP_NONE.
1607         * arm.c (all_fpus): Use it for floating point units that aren't based
1608         on the VFP architecture.
1609         (aapcs_vfp_is_call_or_return_candidate): Make base_mode a pointer to
1610         enum machine_mode.
1611
1612 2009-11-25  H.J. Lu  <hongjiu.lu@intel.com>
1613
1614         * alias.c: Remove trailing white spaces.
1615         * alloc-pool.c: Likewise.
1616         * alloc-pool.h: Likewise.
1617         * attribs.c: Likewise.
1618         * auto-inc-dec.c: Likewise.
1619         * basic-block.h: Likewise.
1620         * bb-reorder.c: Likewise.
1621         * bt-load.c: Likewise.
1622         * builtins.c: Likewise.
1623         * builtins.def: Likewise.
1624         * c-common.c: Likewise.
1625         * c-common.h: Likewise.
1626         * c-cppbuiltin.c: Likewise.
1627         * c-decl.c: Likewise.
1628         * c-format.c: Likewise.
1629         * c-lex.c: Likewise.
1630         * c-omp.c: Likewise.
1631         * c-opts.c: Likewise.
1632         * c-parser.c: Likewise.
1633         * c-pretty-print.c: Likewise.
1634         * c-tree.h: Likewise.
1635         * c-typeck.c: Likewise.
1636         * caller-save.c: Likewise.
1637         * calls.c: Likewise.
1638         * cfg.c: Likewise.
1639         * cfganal.c: Likewise.
1640         * cfgexpand.c: Likewise.
1641         * cfghooks.c: Likewise.
1642         * cfghooks.h: Likewise.
1643         * cfglayout.c: Likewise.
1644         * cfgloop.c: Likewise.
1645         * cfgloop.h: Likewise.
1646         * cfgloopmanip.c: Likewise.
1647         * cfgrtl.c: Likewise.
1648         * cgraph.c: Likewise.
1649         * cgraph.h: Likewise.
1650         * cgraphbuild.c: Likewise.
1651         * cgraphunit.c: Likewise.
1652         * cif-code.def: Likewise.
1653         * collect2.c: Likewise.
1654         * combine.c: Likewise.
1655         * convert.c: Likewise.
1656         * coverage.c: Likewise.
1657         * crtstuff.c: Likewise.
1658         * cse.c: Likewise.
1659         * cselib.c: Likewise.
1660         * dbgcnt.c: Likewise.
1661         * dbgcnt.def: Likewise.
1662         * dbgcnt.h: Likewise.
1663         * dbxout.c: Likewise.
1664         * dce.c: Likewise.
1665         * ddg.c: Likewise.
1666         * ddg.h: Likewise.
1667         * defaults.h: Likewise.
1668         * df-byte-scan.c: Likewise.
1669         * df-core.c: Likewise.
1670         * df-problems.c: Likewise.
1671         * df-scan.c: Likewise.
1672         * df.h: Likewise.
1673         * dfp.c: Likewise.
1674         * diagnostic.c: Likewise.
1675         * diagnostic.h: Likewise.
1676         * dominance.c: Likewise.
1677         * domwalk.c: Likewise.
1678         * double-int.c: Likewise.
1679         * double-int.h: Likewise.
1680         * dse.c: Likewise.
1681         * dwarf2asm.c: Likewise.
1682         * dwarf2asm.h: Likewise.
1683         * dwarf2out.c: Likewise.
1684         * ebitmap.c: Likewise.
1685         * ebitmap.h: Likewise.
1686         * emit-rtl.c: Likewise.
1687         * et-forest.c: Likewise.
1688         * except.c: Likewise.
1689         * except.h: Likewise.
1690         * expmed.c: Likewise.
1691         * expr.c: Likewise.
1692         * expr.h: Likewise.
1693         * final.c: Likewise.
1694         * flags.h: Likewise.
1695         * fold-const.c: Likewise.
1696         * function.c: Likewise.
1697         * function.h: Likewise.
1698         * fwprop.c: Likewise.
1699         * gcc.c: Likewise.
1700         * gcov-dump.c: Likewise.
1701         * gcov-io.c: Likewise.
1702         * gcov-io.h: Likewise.
1703         * gcov.c: Likewise.
1704         * gcse.c: Likewise.
1705         * genattr.c: Likewise.
1706         * genattrtab.c: Likewise.
1707         * genautomata.c: Likewise.
1708         * genchecksum.c: Likewise.
1709         * genconfig.c: Likewise.
1710         * genflags.c: Likewise.
1711         * gengtype-parse.c: Likewise.
1712         * gengtype.c: Likewise.
1713         * gengtype.h: Likewise.
1714         * genmddeps.c: Likewise.
1715         * genmodes.c: Likewise.
1716         * genopinit.c: Likewise.
1717         * genpreds.c: Likewise.
1718         * gensupport.c: Likewise.
1719         * ggc-common.c: Likewise.
1720         * ggc-page.c: Likewise.
1721         * ggc-zone.c: Likewise.
1722         * ggc.h: Likewise.
1723         * gimple-iterator.c: Likewise.
1724         * gimple-low.c: Likewise.
1725         * gimple-pretty-print.c: Likewise.
1726         * gimple.c: Likewise.
1727         * gimple.def: Likewise.
1728         * gimple.h: Likewise.
1729         * gimplify.c: Likewise.
1730         * graphds.c: Likewise.
1731         * graphite-clast-to-gimple.c: Likewise.
1732         * gthr-nks.h: Likewise.
1733         * gthr-posix.c: Likewise.
1734         * gthr-posix.h: Likewise.
1735         * gthr-posix95.h: Likewise.
1736         * gthr-single.h: Likewise.
1737         * gthr-tpf.h: Likewise.
1738         * gthr-vxworks.h: Likewise.
1739         * gthr.h: Likewise.
1740         * haifa-sched.c: Likewise.
1741         * hard-reg-set.h: Likewise.
1742         * hooks.c: Likewise.
1743         * hooks.h: Likewise.
1744         * hosthooks.h: Likewise.
1745         * hwint.h: Likewise.
1746         * ifcvt.c: Likewise.
1747         * incpath.c: Likewise.
1748         * init-regs.c: Likewise.
1749         * integrate.c: Likewise.
1750         * ipa-cp.c: Likewise.
1751         * ipa-inline.c: Likewise.
1752         * ipa-prop.c: Likewise.
1753         * ipa-pure-const.c: Likewise.
1754         * ipa-reference.c: Likewise.
1755         * ipa-struct-reorg.c: Likewise.
1756         * ipa-struct-reorg.h: Likewise.
1757         * ipa-type-escape.c: Likewise.
1758         * ipa-type-escape.h: Likewise.
1759         * ipa-utils.c: Likewise.
1760         * ipa-utils.h: Likewise.
1761         * ipa.c: Likewise.
1762         * ira-build.c: Likewise.
1763         * ira-color.c: Likewise.
1764         * ira-conflicts.c: Likewise.
1765         * ira-costs.c: Likewise.
1766         * ira-emit.c: Likewise.
1767         * ira-int.h: Likewise.
1768         * ira-lives.c: Likewise.
1769         * ira.c: Likewise.
1770         * jump.c: Likewise.
1771         * lambda-code.c: Likewise.
1772         * lambda-mat.c: Likewise.
1773         * lambda-trans.c: Likewise.
1774         * lambda.h: Likewise.
1775         * langhooks.c: Likewise.
1776         * lcm.c: Likewise.
1777         * libgcov.c: Likewise.
1778         * lists.c: Likewise.
1779         * loop-doloop.c: Likewise.
1780         * loop-init.c: Likewise.
1781         * loop-invariant.c: Likewise.
1782         * loop-iv.c: Likewise.
1783         * loop-unroll.c: Likewise.
1784         * lower-subreg.c: Likewise.
1785         * lto-cgraph.c: Likewise.
1786         * lto-compress.c: Likewise.
1787         * lto-opts.c: Likewise.
1788         * lto-section-in.c: Likewise.
1789         * lto-section-out.c: Likewise.
1790         * lto-streamer-in.c: Likewise.
1791         * lto-streamer-out.c: Likewise.
1792         * lto-streamer.c: Likewise.
1793         * lto-streamer.h: Likewise.
1794         * lto-symtab.c: Likewise.
1795         * lto-wpa-fixup.c: Likewise.
1796         * matrix-reorg.c: Likewise.
1797         * mcf.c: Likewise.
1798         * mode-switching.c: Likewise.
1799         * modulo-sched.c: Likewise.
1800         * omega.c: Likewise.
1801         * omega.h: Likewise.
1802         * omp-low.c: Likewise.
1803         * optabs.c: Likewise.
1804         * optabs.h: Likewise.
1805         * opts-common.c: Likewise.
1806         * opts.c: Likewise.
1807         * params.def: Likewise.
1808         * params.h: Likewise.
1809         * passes.c: Likewise.
1810         * plugin.c: Likewise.
1811         * postreload-gcse.c: Likewise.
1812         * postreload.c: Likewise.
1813         * predict.c: Likewise.
1814         * predict.def: Likewise.
1815         * pretty-print.c: Likewise.
1816         * pretty-print.h: Likewise.
1817         * print-rtl.c: Likewise.
1818         * print-tree.c: Likewise.
1819         * profile.c: Likewise.
1820         * read-rtl.c: Likewise.
1821         * real.c: Likewise.
1822         * recog.c: Likewise.
1823         * reg-stack.c: Likewise.
1824         * regcprop.c: Likewise.
1825         * reginfo.c: Likewise.
1826         * regmove.c: Likewise.
1827         * regrename.c: Likewise.
1828         * regs.h: Likewise.
1829         * regstat.c: Likewise.
1830         * reload.c: Likewise.
1831         * reload1.c: Likewise.
1832         * resource.c: Likewise.
1833         * rtl.c: Likewise.
1834         * rtl.def: Likewise.
1835         * rtl.h: Likewise.
1836         * rtlanal.c: Likewise.
1837         * sbitmap.c: Likewise.
1838         * sched-deps.c: Likewise.
1839         * sched-ebb.c: Likewise.
1840         * sched-int.h: Likewise.
1841         * sched-rgn.c: Likewise.
1842         * sched-vis.c: Likewise.
1843         * sdbout.c: Likewise.
1844         * sel-sched-dump.c: Likewise.
1845         * sel-sched-dump.h: Likewise.
1846         * sel-sched-ir.c: Likewise.
1847         * sel-sched-ir.h: Likewise.
1848         * sel-sched.c: Likewise.
1849         * sel-sched.h: Likewise.
1850         * sese.c: Likewise.
1851         * sese.h: Likewise.
1852         * simplify-rtx.c: Likewise.
1853         * stack-ptr-mod.c: Likewise.
1854         * stmt.c: Likewise.
1855         * stor-layout.c: Likewise.
1856         * store-motion.c: Likewise.
1857         * stringpool.c: Likewise.
1858         * stub-objc.c: Likewise.
1859         * sync-builtins.def: Likewise.
1860         * target-def.h: Likewise.
1861         * target.h: Likewise.
1862         * targhooks.c: Likewise.
1863         * targhooks.h: Likewise.
1864         * timevar.c: Likewise.
1865         * tlink.c: Likewise.
1866         * toplev.c: Likewise.
1867         * toplev.h: Likewise.
1868         * tracer.c: Likewise.
1869         * tree-affine.c: Likewise.
1870         * tree-affine.h: Likewise.
1871         * tree-browser.def: Likewise.
1872         * tree-call-cdce.c: Likewise.
1873         * tree-cfg.c: Likewise.
1874         * tree-cfgcleanup.c: Likewise.
1875         * tree-chrec.c: Likewise.
1876         * tree-chrec.h: Likewise.
1877         * tree-complex.c: Likewise.
1878         * tree-data-ref.c: Likewise.
1879         * tree-data-ref.h: Likewise.
1880         * tree-dfa.c: Likewise.
1881         * tree-dump.c: Likewise.
1882         * tree-dump.h: Likewise.
1883         * tree-eh.c: Likewise.
1884         * tree-flow-inline.h: Likewise.
1885         * tree-flow.h: Likewise.
1886         * tree-if-conv.c: Likewise.
1887         * tree-inline.c: Likewise.
1888         * tree-into-ssa.c: Likewise.
1889         * tree-loop-distribution.c: Likewise.
1890         * tree-loop-linear.c: Likewise.
1891         * tree-mudflap.c: Likewise.
1892         * tree-nested.c: Likewise.
1893         * tree-nomudflap.c: Likewise.
1894         * tree-nrv.c: Likewise.
1895         * tree-object-size.c: Likewise.
1896         * tree-optimize.c: Likewise.
1897         * tree-outof-ssa.c: Likewise.
1898         * tree-parloops.c: Likewise.
1899         * tree-pass.h: Likewise.
1900         * tree-phinodes.c: Likewise.
1901         * tree-predcom.c: Likewise.
1902         * tree-pretty-print.c: Likewise.
1903         * tree-profile.c: Likewise.
1904         * tree-scalar-evolution.c: Likewise.
1905         * tree-ssa-address.c: Likewise.
1906         * tree-ssa-alias.c: Likewise.
1907         * tree-ssa-ccp.c: Likewise.
1908         * tree-ssa-coalesce.c: Likewise.
1909         * tree-ssa-copy.c: Likewise.
1910         * tree-ssa-copyrename.c: Likewise.
1911         * tree-ssa-dce.c: Likewise.
1912         * tree-ssa-dom.c: Likewise.
1913         * tree-ssa-dse.c: Likewise.
1914         * tree-ssa-forwprop.c: Likewise.
1915         * tree-ssa-ifcombine.c: Likewise.
1916         * tree-ssa-live.c: Likewise.
1917         * tree-ssa-live.h: Likewise.
1918         * tree-ssa-loop-ch.c: Likewise.
1919         * tree-ssa-loop-im.c: Likewise.
1920         * tree-ssa-loop-ivcanon.c: Likewise.
1921         * tree-ssa-loop-ivopts.c: Likewise.
1922         * tree-ssa-loop-manip.c: Likewise.
1923         * tree-ssa-loop-niter.c: Likewise.
1924         * tree-ssa-loop-prefetch.c: Likewise.
1925         * tree-ssa-loop-unswitch.c: Likewise.
1926         * tree-ssa-loop.c: Likewise.
1927         * tree-ssa-math-opts.c: Likewise.
1928         * tree-ssa-operands.c: Likewise.
1929         * tree-ssa-operands.h: Likewise.
1930         * tree-ssa-phiopt.c: Likewise.
1931         * tree-ssa-phiprop.c: Likewise.
1932         * tree-ssa-pre.c: Likewise.
1933         * tree-ssa-propagate.c: Likewise.
1934         * tree-ssa-reassoc.c: Likewise.
1935         * tree-ssa-sccvn.c: Likewise.
1936         * tree-ssa-sink.c: Likewise.
1937         * tree-ssa-structalias.c: Likewise.
1938         * tree-ssa-ter.c: Likewise.
1939         * tree-ssa-threadedge.c: Likewise.
1940         * tree-ssa-threadupdate.c: Likewise.
1941         * tree-ssa-uncprop.c: Likewise.
1942         * tree-ssa.c: Likewise.
1943         * tree-ssanames.c: Likewise.
1944         * tree-switch-conversion.c: Likewise.
1945         * tree-tailcall.c: Likewise.
1946         * tree-vect-data-refs.c: Likewise.
1947         * tree-vect-generic.c: Likewise.
1948         * tree-vect-loop-manip.c: Likewise.
1949         * tree-vect-loop.c: Likewise.
1950         * tree-vect-patterns.c: Likewise.
1951         * tree-vect-slp.c: Likewise.
1952         * tree-vect-stmts.c: Likewise.
1953         * tree-vectorizer.c: Likewise.
1954         * tree-vectorizer.h: Likewise.
1955         * tree-vrp.c: Likewise.
1956         * tree.c: Likewise.
1957         * tree.def: Likewise.
1958         * tree.h: Likewise.
1959         * treestruct.def: Likewise.
1960         * unwind-compat.c: Likewise.
1961         * unwind-dw2-fde-glibc.c: Likewise.
1962         * unwind-dw2.c: Likewise.
1963         * value-prof.c: Likewise.
1964         * value-prof.h: Likewise.
1965         * var-tracking.c: Likewise.
1966         * varasm.c: Likewise.
1967         * varpool.c: Likewise.
1968         * vec.c: Likewise.
1969         * vec.h: Likewise.
1970         * vmsdbgout.c: Likewise.
1971         * web.c: Likewise.
1972         * xcoffout.c: Likewise.
1973
1974 2009-11-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1975
1976         * pa.c (output_call): Only use sr4 for long interspace calls if
1977         call binds local and generating non PIC code.
1978         (attr_length_call): Adjust length calculation for above.
1979
1980 2009-11-25  Uros Bizjak  <ubizjak@gmail.com>
1981
1982         * config/i386/i386.md (plusminus_carry_mnemonic): New code attribute.
1983         (add<mode>3_carry): Change operand order of plus RTX.
1984         (*add<mode>3_carry): Ditto.
1985         (*addsi3_carry_zext): Ditto.
1986         (*add<dwi>3_doubleword): Update for changed operand order.
1987         (*negti2_1 splitter): Ditto.
1988         (*negdi2_1 splitter): Ditto.
1989         (<plusminus_insn><mode>3_carry): Macroize expander from
1990         {add,sub}<mode>3_carry patterns using plusminus code iterator.
1991         (*<plusminus_insn><mode>3_carry): Macroize insn from
1992         *{add,sub}<mode>3_carry patetrns using plusminus code iterator.
1993         (neg<mode>2): Macroize expander from neg{qi,hi,si,di,ti}2
1994         patterns using SDWIM mode iterator.
1995         (*neg<dwi>2_doubleword): New insn_and_split pattern.  Macroize
1996         pattern from *neg{di,ti}2_1 patterns and corresponding splitters
1997         using DWIH mode iterator.
1998         (*neg<mode>2_1): Macroize insn from neg{qi,hi,si,di}2_1 patterns
1999         using SWI mode iterator.
2000         (*neg<mode>2_cmpz): Ditto from neg{qi,hi,si,di}2_cmpz patterns.
2001         (one_cmpl<mode>2): Macroize expander from one_cmpl{qi,hi,si,di}2
2002         patterns using SWIM mode iterator.
2003         (*one_cmpl<mode>2_1): Macroize insn from one_cmpl{hi,si,di}2_1
2004         patterns using SWI248 mode iterator.
2005         (*one_cmpl<mode>2_2): Macroize insn from one_cmpl{qi,hi,si,di}2_2
2006         patterns using SWI mode iterator.
2007         (*one_cmpl<mode>2_2 splitter): Macroize splitter from
2008         one_cmpl{qi,hi,si,di}2_2 splitter patterns using SWI mode iterator.
2009
2010 2009-11-24  Michael Matz  <matz@suse.de>
2011
2012         * expr.c (set_storage_via_libcall): Fix build_call_expr call.
2013
2014 2009-11-24  David Binderman  <dcb314@hotmail.com>
2015
2016         * expr.c (store_field): Remove set but not used local variable
2017         width_mask.
2018         (expand_expr_real_2): Remove treeop2.
2019         * gcse.c (update_ld_motion_stores): Remove new_rtx.
2020         * haifa-sched.c (max_issue): Remove points.
2021         (sched_create_recovery_edges): Remove e.
2022         * ira-costs.c (setup_allocno_cover_class_and_costs): Remove mode.
2023
2024 2009-11-24  Nick Clifton  <nickc@redhat.com>
2025
2026         * config/v850/v850.c (function_arg): Fix handling of zero-length
2027         function arguments.
2028
2029 2009-11-24  Michael Matz  <matz@suse.de>
2030
2031         * tree.h (union tree_ann_d): Don't declare.
2032         (tree_base): Remove ann field.
2033         (struct var_ann_d): Declare forward.
2034         (tree_result_decl, tree_parm_decl, tree_var_decl): Add ann field.
2035         (DECL_VAR_ANN_PTR): New macro.
2036         * tree-dfa.c (create_var_ann): Rewrite in terms of above macro,
2037         accept only VAR, PARM or RESULT decls.
2038         (create_tree_common_ann): Remove.
2039         (remove_referenced_var): Use DECL_VAR_ANN_PTR.
2040         * tree-eh.c (lookup_expr_eh_lp): Remove.
2041         * tree-flow-inline.h (var_ann, get_var_ann): Rewrite in terms of
2042         DECL_VAR_ANN_PTR.
2043         (ann_type, tree_common_ann, get_tree_common_ann): Remove.
2044         * tree-flow.h (enum tree_ann_type): Remove.
2045         (struct tree_ann_common_d): Remove.
2046         (struct var_ann_d): Remove common field.
2047         (union tree_ann_d): Remove.
2048         (tree_ann_t, tree_ann_common_t): Remove typedefs.
2049         (tree_common_ann, get_tree_common_ann, ann_type,
2050         create_tree_common_ann, lookup_expr_eh_lp): Don't declare.
2051         * tree-ssa.c (delete_tree_ssa): Use DECL_VAR_ANN_PTR.
2052         * tree.c (copy_node_stat): Use DECL_VAR_ANN_PTR.
2053         * builtins.c (expand_builtin_memcpy): Use
2054         currently_expanding_gimple_stmt instead of tree annotation.
2055         (expand_builtin_memset_args): Ditto.
2056         * cfgexpand.c (currently_expanding_gimple_stmt): Add global variable.
2057         (expand_call_stmt): Don't set tree annotation.
2058         (expand_gimple_basic_block): Set currently_expanding_gimple_stmt.
2059         * expr.c (expand_expr_real): Don't call lookup_expr_eh_lp.
2060         * gimple.h (currently_expanding_gimple_stmt): Declare.
2061
2062 2009-11-24  Paolo Carlini  <paolo.carlini@oracle.com>
2063
2064         * dwarf2out.c (add_location_or_const_value_attribute): Remove
2065         useless NOTE_VAR_LOCATION_STATUS call.
2066         * cfgrtl.c (commit_one_edge_insertion): Remove useless loop, tidy.
2067
2068 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2069
2070         * lto-wrapper.c (lto_wrapper_exit): Don't try to delete files if
2071         being called recursively.
2072
2073 2009-11-24  Basile Starynkevitch  <basile@starynkevitch.net>
2074
2075         * Makefile.in (PLUGIN_HEADERS): Added files: cppdefault.h flags.h
2076         $(MD5_H) params.def params.h prefix.h tree-inline.h.
2077
2078 2009-11-24  Paul Brook  <paul@codesourcery.com>
2079
2080         * gcc/config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Fix comment
2081         typo.
2082
2083 2009-11-24  Julian Brown  <julian@codesourcery.com>
2084             Paul Brook  <paul@codesourcery.com>
2085
2086         * config/arm/arm.c (TARGET_DWARF_REGISTER_SPAN): Define.
2087         (arm_dwarf_register_span): New function.
2088         (arm_dbx_register_number): Add VFPv3 dwarf numbering.
2089
2090 2009-11-24  David Binderman  <dcb314@hotmail.com>
2091
2092         * cfgrtl.c (commit_one_edge_insertion): Remove set but not used
2093         local variable bb_note.
2094         * dominance.c (get_dominated_by): Likewise local var n.
2095         (output_file_names): Likewise local var idx.
2096         (add_location_or_const_value_attribute): Likewise local var status.
2097         * dwarf2out.c (gen_variable_die): Likewise local var field.
2098         * emit-rtl.c (no_line_numbers): Remove.
2099         (init_emit_once): Remove line_numbers parameter.
2100         * rtl.h (init_emit_once): Adjust prototype.
2101         * toplev.c (backend_init): Adjust init_emit_once call.
2102
2103 2009-11-24  Richard Guenther  <rguenther@suse.de>
2104
2105         PR tree-optimization/42142
2106         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
2107         Handle iv-dependent (non-)kills properly.
2108         (mark_aliased_reaching_defs_necessary): Pass the basic-block
2109         of the reference statement to mark_aliased_reaching_defs_necessary_1.
2110
2111 2009-11-24  Martin Jambor  <mjambor@suse.cz>
2112
2113         PR tree-optimization/42154
2114         * tree-sra.c (struct access): Added comments.
2115         (sra_modify_expr): Build references to the old aggregate with
2116         build_ref_for_offset instead of reusing access->expr.
2117         (load_assign_lhs_subreplacements): Likewise.
2118
2119 2009-11-24  Uros Bizjak  <ubizjak@gmail.com>
2120
2121         * config/i386/i386.md (add<mode>3_carry): Change insn pattern
2122         to expander.
2123         (sub<mode>3_carry): Ditto.
2124         (x86_mov<mode>cc_0_m1): Ditto.
2125         (*add<mode>3_carry): New insn pattern.  Use VOIDmode match_operator
2126         for ix86_carry_flag_operator operator predicate.
2127         (*sub<mode>3_carry): Ditto.
2128         (*x86_mov<mode>cc_0_m1): Ditto.
2129         (*addsi3_carry_zext): Use VOIDmode match_operator for
2130         ix86_carry_flag_operator operator predicate.
2131         (*subsi3_carry_zext): Ditto.
2132         (*x86_mov<mode>cc_0_m1_s): Ditto.
2133         (*x86_mov<mode>cc_0_m1_neg): Ditto.
2134         * config/i386/predocates.md (ix86_carry_flag_operator): Do not
2135         check operator sub-expressions for FLAGS_REG and const0_rtx.
2136         * config/i386/i386.c (*ix86_gen_sub3_carry): Update prototype.
2137         (ix86_expand_int_movcc): Update calls to gen_x86_mov{si,di}cc_0_m1.
2138         (ix86_expand_int_addcc): Update calls to
2139         gen_{add,sub}{qi,hi,si,di}3_carry.  Do not set mode of compare_op.
2140         (ix86_expand_strlensi_unroll_1): Update calls to ix86_gen_sub3_carry.
2141         Do not set mode of compare operation.
2142
2143 2009-11-23  Jan Hubicka  <jh@suse.cz>
2144
2145         PR middle-end/42151
2146         * ipa-inline.c (inline_transform): Avoid ICE when transform is called
2147         twice.
2148
2149 2009-11-23  Jan Hubicka  <jh@suse.cz>
2150
2151         * ipa-cp.c (ipcp_compute_node_scale): Work around completely
2152         wrong profile updates.
2153         * predict.c (counts_to_freqs): Be expected for ENTRY/EXIT block
2154         having largest frequency.
2155         * ira-live.c (ira_implicitly_set_insn_hard_regs): Silecne
2156         used uninitalized warning.
2157         * tree-optimize.c (execute_fixup_cfg): Rescale entry and exit block
2158         frequencies.
2159
2160 2009-11-23  Uros Bizjak  <ubizjak@gmail.com>
2161
2162         * config/alpha/alpha.md (*cmp_sadd_sidi): Use gen_lowpart instead
2163         of gen_rtx_REG to generate operand 5.
2164         (*cmp_ssub_sidi): Ditto.
2165
2166 2009-11-23  Richard Henderson  <rth@redhat.com>
2167
2168         * config/i386/i386.c (avx_vpermilp_parallel): Fix sign compare
2169         mismatch.
2170
2171 2009-11-23  Paul Brook  <paul@codesourcery.com>
2172
2173         * config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Add special
2174         case for noreturn functions.
2175         (arm_compute_save_reg_mask): Remove special noreturn handling.
2176
2177 2009-11-23  Richard Guenther  <rguenther@suse.de>
2178
2179         * tree-dfa.c (get_ref_base_and_extent): Adjust maximum access
2180         size for DECL bases.
2181
2182 2009-11-22  Richard Henderson  <rth@redhat.com>
2183
2184         * i386.c (avx_vpermilp_parallel): New function.
2185         * i386-protos.h: Declare it.
2186         * predicates.md (avx_vpermilp_v8sf_operand, avx_vpermilp_v4df_operand,
2187         avx_vpermilp_v4sf_operand, avx_vpermilp_v2df_operand): New.
2188         * sse.md (AVXMODEFDP, AVXMODEFSP): New iterators.
2189         (ssescalarnum, ssedoublesizemode): Add AVX modes.
2190         (vpermilbits): Remove.
2191         (avx_vpermil<mode>): Change insns to expanders.
2192         (*avx_vpermil<mode>): New.  Use vec_select.
2193
2194 2009-11-22  Richard Earnshaw  <rearnsha@arm.com>
2195
2196         * opts.c (decode_options): Don't enable flag_schedule_insns
2197         when optimizing for size.
2198         * doc/invoke.texi: Document change.
2199
2200 2009-11-22  Uros Bizjak  <ubizjak@gmail.com>
2201
2202         PR target/42113
2203         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2204         of scratch register to SImode.
2205         (*cmp_sadd_sidi): Ditto.
2206         (*cmp_ssub_si): Ditto.
2207         (*cmp_ssub_sidi): Ditto.
2208
2209 2009-11-21  Ian Lance Taylor  <iant@google.com>
2210
2211         * Makefile.in (HOST_LIBS): Move higher in file.
2212         (LINKER, LINKER_FLAGS): If ENABLE_BUILD_WITH_CXX, but $(HOST_LIBS)
2213         is not empty, set to $(CC) and $(CFLAGS).
2214
2215 2009-11-22  Martin Jambor  <mjambor@suse.cz>
2216
2217         * tree-cfg.c (verify_types_in_gimple_reference): Error out on
2218         V_C_E of an SSA_NAME or an invariant if lvalue is required.
2219         (verify_gimple_call): Verify LHS also with with
2220         verify_types_in_gimple_reference.
2221
2222 2009-11-21  Martin Jambor  <mjambor@suse.cz>
2223
2224         PR middle-end/42025
2225         * tree-sra.c (access_precludes_ipa_sra_p): New function.
2226         (splice_param_accesses): Check all accesses by calling
2227         access_precludes_ipa_sra_p.
2228         (sra_ipa_modify_expr): Rename argument erite to dont_convert and do
2229         not convert types if it is true.
2230         (sra_ipa_modify_assign): Convert types in case of mismatch.
2231
2232 2009-11-21  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2233
2234         * config/sh/sh.md (cmpeqsi_t-1): Use logical_operand predicate
2235         for operand 1.
2236
2237 2009-11-21  Adam Nemet  <adambnemet@gmail.com>
2238
2239         * config/mips/mips-protos.h (mulsidi3_gen_fn): New typedef.
2240         (mips_mulsidi3_gen_fn): Declare new function.
2241         * config/mips/mips.c (mips_mulsidi3_gen_fn): New function.
2242         * config/mips/mips.md (<u>mulsidi3): Change condition to use
2243         mips_mulsidi3_gen_fn.  Use mips_mulsidi3_gen_fn to generate the insn.
2244         (<u>mulsidi3_64bit): Don't match for ISA_HAS_DMUL3.
2245         (mulsidi3_64bit_dmul): New define_insn.
2246
2247 2009-11-21  Ben Elliston  <bje@au.ibm.com>
2248
2249         * gengtype-lex.l: Enable noinput flex option.
2250         (YY_NO_INPUT): Remove define.
2251
2252 2009-11-21  Alexandre Oliva  <aoliva@redhat.com>
2253
2254         * tree-ssa.c (find_released_ssa_name): Handle NULL wi.
2255         (insert_debug_temp_for_var_def): Handle degenerate PHI nodes.
2256         (insert_debug_temps_for_defs): Handle PHI nodes.
2257         * tree-ssa-dom.c (degenerate_phi_result): Don't crash on released
2258         SSA names.
2259
2260 2009-11-21  Alexandre Oliva  <aoliva@redhat.com>
2261
2262         * tree-ssa-pre.c (remove_dead_inserted_code): Don't release_defs
2263         after remove_phi_node.
2264
2265 2009-11-21  Alexandre Oliva  <aoliva@redhat.com>
2266
2267         PR tree-optimization/42078
2268         * gimple.h (gimple_replace_lhs): New declaration.
2269         * gimple.c (gimple_replace_lhs): New function.
2270         * tree-ssa-math-opts.c (execute_cse_reciprocals): Call it before
2271         modifying the call.
2272
2273 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2274
2275         * config/i386/sse.md (*xop_pmacsdql_mem): Don't call reg_mentioned_p.
2276         (xop_mulv2div2di3_low): Same.
2277         (*xop_pmacsdqh_mem): Same.
2278
2279 2009-11-20  Richard Henderson  <rth@redhat.com>
2280
2281         * config/i386/i386-builtin-types.awk: New file.
2282         * config/i386/i386-builtin-types.def: New file.
2283         * config/i386/t-i386: Use them to build i386-builtin-types.inc.
2284         * config/i386/i386.c: Include it.
2285         (ix86_builtin_type_tab, ix86_get_builtin_type): New.
2286         (ix86_builtin_func_type_tab, ix86_get_builtin_func_type): New.
2287         (struct builtin_isa): Remove GTY marker.  Replace tree type with
2288         ix86_builtin_func_type; add set_and_not_built_p.
2289         (def_builtin): Change type parameter to tcode; use
2290         ix86_get_builtin_func_type; update all callers.  Accept zero mask
2291         to mean the builtin is unconditionally available.
2292         (ix86_add_new_builtins): Use set_and_not_built_p instead of type
2293         being set to NULL.
2294         (enum ix86_special_builtin_type, enum ix86_builtin_type): Remove.
2295         Update some users to rationalized enumeration codes from new include.
2296         (enum multi_arg_type): Remove.  Replace all enumeration values
2297         with defines to new ix86_builtin_func_type.
2298         (ix86_init_mmx_sse_builtins): Don't build any types here.  Defer
2299         all type resolution to def_builtin.
2300         (ix86_init_builtin_types): Split out from ...
2301         (ix86_init_builtins): ... here.  Use ix86_get_builtin_func_type.
2302
2303 2009-11-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
2304
2305         PR target/41787
2306         * config/rs6000/rs6000.c (struct machine_function): Revert
2307         2009-10-23 change to set VRSAVE to non-0 if we use VSX.
2308         (rs6000_expand_to_rtl_hook): Ditto.
2309         (rs6000_check_vector_mode): Ditto.
2310         (compute_vrsave_mask): Ditto.
2311
2312 2009-11-20  Paul Brook  <paul@codesourcery.com>
2313
2314         * doc/invoke.texi: Document ARM -mcpu=cortex-a5.
2315         * config/arm/arm-cores.def: Add cortex-a5.
2316         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a5.
2317         * config/arm/arm-tune.md: Regenerate.
2318
2319 2009-11-20 Olga Golovanevsky <olga@il.ibm.com>
2320
2321         PR middle-end/39960
2322         * ipa-struct-reorg.c (find_pos_in_stmt): New parameter.
2323         (ref_pos): New field in structure.
2324         (insert_new_var_in_stmt): New function.
2325
2326
2327 2009-11-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2328
2329         * config.gcc (alpha*-dec-osf[45]*): Set use_gcc_stdint.
2330         * config/alpha/osf.h (SIG_ATOMIC_TYPE): Define.
2331         (INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE): Define.
2332         (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
2333         (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2334         INT_LEAST64_TYPE): Define.
2335         (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
2336         UINT_LEAST64_TYPE): Define.
2337         (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
2338         INT_FAST64_TYPE): Define.
2339         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2340         UINT_FAST64_TYPE): Define.
2341         (INTPTR_TYPE, UINTPTR_TYPE): Define.
2342
2343 2009-11-20  Julian Brown  <julian@codesourcery.com>
2344
2345         * config/arm/arm.h (ASM_OUTPUT_REG_PUSH): Handle STATIC_CHAIN_REGNUM
2346         specially for Thumb-1.
2347         (ASM_OUTPUT_REG_POP): Likewise.
2348
2349 2009-11-19  Jason Merrill  <jason@redhat.com>
2350
2351         * dwarf2out.c (get_context_die): Take TYPE_MAIN_VARIANT.
2352
2353 2009-11-19  Basile Starynkevitch  <basile@starynkevitch.net>
2354             Rafael Avila de Espindola  <espindola@google.com>
2355
2356         * doc/plugins.texi (Plugin initialization): Added advices for
2357         retrieving the version of GCC at plugin compilation and loading times.
2358
2359 2009-11-19  Basile Starynkevitch  <basile@starynkevitch.net>
2360
2361         * plugin.c (FMT_FOR_PLUGIN_EVENT): added definition.
2362         (dump_active_plugins): output to file everything. Use
2363         internationalized dump & FMT_FOR_PLUGIN_EVENT.
2364
2365 2009-11-19  Richard Guenther  <rguenther@suse.de>
2366
2367         * gimple.c (canonicalize_cond_expr_cond): Strip conversions
2368         around truth-valued expressions.
2369         * tree.c (free_lang_data): Untangle check for LTO frontend.
2370
2371 2009-11-19  Jakub Jelinek  <jakub@redhat.com>
2372
2373         * tree.c (need_assembler_name_p): Use cgraph_get_node instead
2374         of cgraph_node_for_decl.
2375         * cgraph.h (cgraph_node_for_decl): Remove prototype.
2376         * cgraph.c (cgraph_node_for_decl): Remove.
2377         (cgraph_get_node): Just return NULL if !cgraph_hash.
2378
2379 2009-11-19  Paul Brook  <paul@codesourcery.com>
2380
2381         * config.gcc: Add new ARM --with-fpu options.
2382         * doc/invoke.texi: Docuent ARM -mfpu=fpv4-sp-d16.
2383         * config/arm/arm.c (all_fpus): Add fpv4-sp-d16.
2384
2385 2009-11-18  Richard Guenther  <rguenther@suse.de>
2386
2387         * gimple.h (union gimple_statement_d): Add gsmembase member.
2388         (gimple_vuse_op): Use gsmembase for access.
2389         (gimple_vdef_op): Likewise.
2390         (gimple_vuse): Likewise.
2391         (gimple_vdef): Likewise.
2392         (gimple_vuse_ptr): Likewise.
2393         (gimple_vdef_ptr): Likewise.
2394         (gimple_set_vuse): Likewise.
2395         (gimple_set_vdef): Likewise.
2396         * gsstruct.def (GSS_WITH_MEM_OPS_BASE): Add.
2397
2398 2009-11-18  Daniel Jacobowitz  <dan@codesourcery.com>
2399
2400         * doc/arm-neon-intrinsics.texi: Regenerated.
2401
2402 2009-11-18  Daniel Jacobowitz  <dan@codesourcery.com>
2403
2404         * config/arm/neon-docgen.ml (analyze_shape_elt): Handle alternatives.
2405
2406 2009-11-18  Paul Brook  <paul@codesourcery.com>
2407             Daniel Jacobowitz  <dan@codesourcery.com>
2408
2409         * config/arm/arm.c (FL_ARCH7EM, FL_FOR_ARCH7EM): Define.
2410         (arm_arch7em): New variable.
2411         (all_architectures): Add armv7e-m.
2412         (arm_override_options): Set arm_arch7em.
2413         * config/arm/arm.h (TARGET_DSP_MULTIPLY, TARGET_INT_SIMD):
2414         Include arm_arch7em.
2415         (arm_arch7em): Declare.
2416
2417 2009-11-18  Richard Guenther  <rguenther@suse.de>
2418
2419         * lto-streamer-in.c (input_gimple_stmt): Assert that we find
2420         a valid field decl if checking is enabled.
2421
2422 2009-11-18  Martin Jambor  <mjambor@suse.cz>
2423
2424         * ipa-prop.h (struct ipa_param_call_note): New field lto_stmt_uid.
2425         (lto_ipa_fixup_call_notes): Declare.
2426         * ipa-prop.c (ipa_note_param_call): Store gimple uid.
2427         (update_call_notes_after_inlining): Copy call stmt uid to the new
2428         edge.
2429         (ipa_write_param_call_note): New function.
2430         (ipa_read_param_call_note): New function
2431         (ipa_write_node_info): Write also param call notes.  Removed a bogus
2432         comment, reformatted to fit 80 columns.
2433         (ipa_read_node_info): Read also param call notes. Removed a bogus
2434         comment.  Remove ipa_edge_args_vector growth.
2435         (lto_ipa_fixup_call_notes): New function.
2436         * ipa-cp.c (pass_ipa_cp): Add stmt_fixup hook.
2437         * ipa-inline.c (cgraph_mark_inline_edge): Perform indirect
2438         inlining regardless of flag_wpa.
2439         (cgraph_decide_inlining_of_small_functions): Likewise.
2440         (cgraph_decide_inlining): Likewise.
2441         (inline_read_summary): Likewise.
2442
2443 2009-11-18  Jan Hubicka  <jh@suse.cz>
2444
2445         * predict.c (compute_function_frequency): Export.
2446         * predict.h (compute_function_frequency): Declare.
2447         * tree-optimize.c (execute_fixup_cfg): Rescale frequencies.
2448
2449 2009-11-18  Martin Jambor  <mjambor@suse.cz>
2450
2451         * passes.c (ipa_write_summaries): Call renumber_gimple_stmt_uids
2452         on all nodes we write summaries for.
2453
2454 2009-11-18  Shujing Zhao  <pearly.zhao@oracle.com>
2455
2456         PR middle-end/22201
2457         * params.def (PARAM_INLINE_UNIT_GROWTH, PARAM_IPCP_UNIT_GROWTH)
2458         (PARAM_EARLY_INLINING_INSNS, PARAM_IRA_MAX_LOOPS_NUM)
2459         (PARAM_IRA_MAX_CONFLICT_TABLE_SIZE)
2460         (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP)
2461         (PARAM_MIN_INSN_TO_PREFETCH_RATIO)
2462         (PARAM_PREFETCH_MIN_INSN_TO_MEM_RATIO)
2463         (PARAM_IPA_SRA_PTR_GROWTH_FACTOR): Uppercase the first letter of the
2464         description string.
2465
2466 2009-11-18  Jakub Jelinek  <jakub@redhat.com>
2467
2468         * dwarf2out.c (loc_list_from_tree): Don't call rtl_for_decl_location
2469         unnecessarily.
2470         (rtl_for_decl_location): Try harder to get a rtl for TREE_STATIC vars.
2471
2472         PR c++/3187
2473         * cgraph.h (struct cgraph_node): Add same_body and same_body_alias
2474         fields.
2475         (cgraph_same_body_alias, cgraph_remove_same_body_alias): New
2476         prototypes.
2477         * cgraphunit.c (cgraph_expand_function, cgraph_emit_thunks,
2478         cgraph_materialize_all_clones): Handle same_body aliases.
2479         * cgraph.c (cgraph_allocate_node): New function.
2480         (cgraph_create_node): Use it.
2481         (cgraph_node_for_decl, cgraph_node, cgraph_get_node,
2482         cgraph_node_for_asm, cgraph_remove_node): Handle same_body aliases.
2483         (cgraph_same_body_alias, cgraph_remove_same_body_alias): New
2484         functions.
2485         * lto-cgraph.c (lto_output_node): Stream out same_body aliases.
2486         (input_node): Stream in same_body aliases.
2487         * lto-symtab.c (lto_cgraph_replace_node): Clear node pointers
2488         for same_body aliases.
2489         (lto_symtab_merge_cgraph_nodes_1): Handle same_body aliases.
2490
2491 2009-11-18  Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2492
2493         PR other/39888
2494         * config/darwin.h: Use the extension stub libraries to access
2495         current libgcc_s features.
2496
2497 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
2498
2499         PR debug/41926
2500         * tree-vect-loop.c (vect_loop_kill_debug_uses): New.
2501         (vect_transform_loop): Call it.
2502
2503 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
2504
2505         * tree-ssa.c (insert_debug_temp_for_var_def): Fix handling of
2506         released SSA names.
2507
2508 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
2509
2510         PR debug/41888
2511         PR debug/41886
2512         * graphite-scop-detection.c (stmt_simple_for_scop_p): Debug stmts
2513         are ok.
2514         * graphite-sese-to-poly.c (graphite_stmt_p): Likewise.
2515         (try_generate_gimple_bb): Skip debug stmts when finding data refs.
2516         * sese.c (sese_build_liveouts_bb): Skip debug stmts.
2517         (sese_bad_liveouts_use): New.
2518         (sese_reset_debug_liveouts_bb): New.
2519         (sese_build_liveouts): Use it.
2520         (rename_variables_in_stmt): Reset debug stmts rather than creating
2521         new vars for them.
2522         (expand_scalar_variable_stmt): Likewise.
2523
2524 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
2525
2526         * df-scan.c (df_ref_create): Don't mark BB as dirty on debug insns.
2527         (df_ref_remove): Likewise.
2528
2529 2009-11-17  Jan Hubicka  <jh@suse.cz>
2530
2531         * ipa-struct-reorg.c (update_cgraph_with_malloc_call): Fix profile
2532         info.
2533
2534 2009-11-17  Eric Botcazou  <ebotcazou@adacore.com>
2535
2536         * toplev.c (process_options): Remove dead code.
2537         * doc/invoke.texi (-frename-registers): Mention -fpeel-loops.
2538
2539 2009-11-17  Rafael Avila de Espindola  <espindola@google.com>
2540
2541         * lto-symtab.c (lto_symtab_resolve_symbols): Always initialize the
2542         nodes.
2543
2544 2009-11-17  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2545
2546         PR tree-optimization/41857
2547         * tree-ssa-address.c (move_hint_to_base): Use void pointer to
2548         TYPE's address space instead of pointer to TYPE.
2549
2550 2009-11-17  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2551
2552         * reload.c (find_reloads_address): Fix typo.
2553
2554 2009-11-17  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2555
2556         * config/spu/spu.c (get_pic_reg): Use LAST_ARG_REGNUM as PIC
2557         registers in leaf functions if possible.
2558
2559 2009-11-17  Maxim Kuvyrkov  <maxim@codesourcery.com>
2560
2561         * config/m68k/m68k-devices.def: Add MCF5441x family.
2562
2563 2009-11-17  Jan Hubicka  <jh@suse.cz>
2564
2565         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Do not access
2566         removed node.
2567         * cgraphunit.c (verify_cgraph_node): Verify frequencies for match.
2568
2569 2009-11-17  Uros Bizjak  <ubizjak@gmail.com>
2570
2571         * config/i386/predicates.md (x86_64_szext_general_operand): Do not
2572         nest ior expressions.
2573         (x86_64_szext_nonmemory_operand): Ditto.
2574         (call_insn_operand): Ditto.
2575
2576 2009-11-16  Alexandre Oliva  <aoliva@redhat.com>
2577
2578         * stmt.c (expand_asm_stmt): Get locus from stmt.
2579
2580 2009-11-16  Alexandre Oliva  <aoliva@redhat.com>
2581
2582         * tree-cfg.c (gimple_redirect_edge_and_branch) <case GIMPLE_ASM>:
2583         Create the decl label for the new dest block on demand.  Require
2584         a fallthrough edge if no asm labels were redirected.
2585
2586 2009-11-16  Uros Bizjak  <ubizjak@gmail.com>
2587
2588         * config/i386/i386.md (cbranchsi4): Use nonimmediate_operand for
2589         operand 1 predicate.
2590         (cstoresi4): Ditto for operand 2.
2591         (cbranch<mode>4): Macroize expander from cbranch{qi,hi,si,di,ti}4
2592         patterns using SDWIM mode iterator.
2593         (cstore<mode>4): Macroize expander from cstore{qi,hi,si,di}4 patterns
2594         using SWIM mode iterator.
2595         (cmpdi_1): Rename from cmpdi_1_rex64.
2596         (cmp<mode>_1): Macroize expander from cmp{si,di}_1 patterns using
2597         SWI48 mode iterator.
2598         (*cmp<mode>_1): Macroize insn from *cmp{qi,hi,si,di}_1_insn patterns
2599         using SWI mode iterator.
2600         (*cmp<mode>_ccno_1): Ditto from *cmp{qi,hi,si,di}_ccno_1.
2601         (*cmp<mode>_minus_1): Ditto from *cmp{qi,hi,si,di}_minus_1.
2602         (*cmpqi_ext_3_insn): Make private.
2603         (*cmpqi_ext_3_insn_rex64): Make private.
2604         (cmpstrnsi): Update for renamed cmpdi_1_rex64.
2605         * config/i386/predicates.md (cmpsi_operand): Remove.
2606
2607 2009-11-16  Paul Brook  <paul@codesourcery.com>
2608
2609         * doc/invoke.texi: Document ARM VFPv4 based FPUs.
2610         * config/arm/arm.c (all_fpus): Add VFPv4 entries.
2611
2612 2009-11-14  Jan Hubicka  <jh@suse.cz>
2613
2614         * cgraphbuild.c (compute_call_stmt_bb_frequency): Use proper
2615         ENTRY_BLOCK_PTR.
2616         * cgraph.c (cgraph_clone_edge): Avoid freq_scale 0 to completely
2617         zero out all callees.
2618         * cgraphunit.c (verify_cgraph_node): Verify cgraph nodes for
2619         frequency and count match.
2620         * ipa-inline.c (update_noncloned_frequencies): New function.
2621         (cgraph_clone_inlined_nodes): Use it.
2622         * tree-inline.c (copy_bb): Fix frequency scaling; output
2623         diagnostic on frequency mismatches to dump file.
2624         (initialize_cfun): Do not scale frequency; fix count scaling;
2625         initialize entry and exit block frequencies; copy profile info.
2626         (copy_cfg_body): Use frequency_scale as argument; fix count scaling.
2627         (copy_body): Use frequency_scale as argument.
2628         (expand_call_inline): Compute frequency scale and output diagnostic
2629         to dump file.
2630         (delete_unreachable_blocks_update_callgrah): Remove checking that
2631         has to be done after edge redirection.
2632         (tree_function_versioning): Update initialize_cfun and copy_body call.
2633
2634 2009-11-14  Jan Hubicka  <jh@suse.cz>
2635
2636         * cgraph.c (cgraph_release_function_body): Update use of
2637         ipa_transforms_to_apply.
2638         (cgraph_remove_node): Remove ipa_transforms_to_apply.
2639         * cgraph.h (struct cgraph_node): Add ipa_transforms_to_apply.
2640         * cgraphunit.c (save_inline_function_body): Clear ipa_transforms for
2641         copied body.
2642         (cgraph_materialize_clone): Remove original if dead.
2643         * lto-streamer-in.c (lto_read_body): Remove FIXME and
2644         ipa_transforms_to_apply hack.
2645         * function.h (struct function): Add ipa_transforms_to_apply.
2646         * ipa.c (cgraph_remove_unreachable_nodes): Handle dead clone originals.
2647         * tree-inline.c (copy_bb): Update sanity check.
2648         (initialize_cfun): Do not copy ipa_transforms_to_apply.
2649         (expand_call_inline): remove dead clone originals.
2650         (tree_function_versioning): Merge transformation queues.
2651         * passes.c (add_ipa_transform_pass): Remove.
2652         (execute_one_ipa_transform_pass): Update ipa_transforms_to_apply
2653         tracking.
2654         (execute_all_ipa_transforms): Update.
2655         (execute_one_pass): Update.
2656
2657 2009-11-14  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
2658
2659         PR target/21078, 21080
2660         * config/avr/avr.c (avr_return_addr_rtx): New function for
2661         builtin_return_address.
2662         (expand_prologue): Calculate stack usage.
2663         (avr_asm_function_end_prologue): Output stack size and offset label.
2664         * config/avr/avr.h (RETURN_ADDR_RTX): Replace.
2665         (machine_function): Add stack_usage.
2666         * config/avr/avr-protos.h (avr_return_addr_rtx): New function.
2667
2668 2009-11-14  Anatoly Sokolov  <aesok@post.ru>
2669
2670         * config/iq2000/iq2000.c (iq2000_function_value): Make static, add
2671         new 'outgoing' argument.
2672         (iq2000_libcall_value, iq2000_function_value_regno_p): New functions.
2673         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
2674         * config/iq2000/iq2000.h (FUNCTION_VALUE_REGNO_P): Redefine, use
2675         iq2000_function_value_regno_p.
2676         (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
2677         * config/iq2000/iq2000-protos.h (iq2000_function_value_regno_p):
2678         Declare.
2679
2680 2009-11-14  Richard Earnshaw  <rearnsha@arm.com>
2681
2682         PR target/42031
2683         * arm.md (adddi_sesidi_di): Place tied contraint first.
2684         (adddi_zesidi_di, subdi_di_zesidi, subdi_di_sesidi): Likewise
2685         (subdi_zesidi_di, subdi_sesidi_di): Likewise.
2686         (mulsi3_compare0, mulsi_compare0_scratch): Likewise.
2687         (mulsi3addsi, mulsi3addsi_compare0): Likewise.
2688         (mulsi3addsi_compare0_scratch, smulsi3_highpart_nov6): Likewise.
2689         (umulsi3_highpart_nov6, anddi_zesidi_di, anddi_sesdi_di): Likewise.
2690         (anddi_notdi_di, iordi_sesidi_di, xordi_sesidi_di): Likewise.
2691         (andsi_iorsi3_notsi, arm_ashldi3_1bit, arm_ashrdi3_1_bit): Likewise.
2692         (arm_lshrdi3_1bit, one_cmpldi2): Likewise.
2693
2694 2009-11-14  Uros Bizjak  <ubizjak@gmail.com>
2695
2696         * config/i386/predicates.md (call_register_no_elim_operand):
2697         New predicate.  Reject stack register as valid call operand
2698         for 32bit targets.
2699         (call_insn_operand): Use call_register_no_elim_operand.
2700
2701 2009-11-13  Richard Henderson  <rth@redhat.com>
2702
2703         * function.c (stack_protect_prologue): Don't bypass expand_expr
2704         for stack_protect_guard and guard_decl.
2705         (stack_protect_epilogue): Likewise.
2706
2707 2009-11-13  Jan Hubicka  <jh@suse.cz>
2708
2709         * ipa.c (function_and_variable_visibility): Clear COMDAT on functions
2710         when to PUBLIC is set.
2711
2712 2009-11-13  Jakub Jelinek  <jakub@redhat.com>
2713
2714         PR middle-end/42029
2715         * gimplify.c (gimplify_omp_atomic): Set DECL_GIMPLE_REG_P on
2716         tmp_load if needed.
2717
2718 2009-11-13  Uros Bizjak  <ubizjak@gmail.com>
2719
2720         PR target/41900
2721         * config/i386/i386.md (*call_pop_1, *call_1, *call_value_pop_1,
2722         *call_value_1): Use "lsm" as operand 1 constraint.
2723         * config/i386/predicates.md (call_insn_operand): Depend on
2724         index_register_operand to avoid %esp register.
2725
2726 2009-11-13  Uros Bizjak  <ubizjak@gmail.com>
2727
2728         Revert:
2729         2009-11-03  Uros Bizjak  <ubizjak@gmail.com>
2730
2731         PR target/41900
2732         * config/i386/i386.h (ix86_arch_indices) <X86_ARCH_CALL_ESP>: New.
2733         (TARGET_CALL_ESP): New define.
2734         * config/i386/i386.c (initial_ix86_tune_features): Initialize
2735         X86_ARCH_CALL_ESP.
2736         * config/i386/i386.md (*call_pop_1_esp, *call_1_esp,
2737         *call_value_pop_1_esp, *call_value_1_esp): Rename from *call_pop_1,
2738         *call_1, *call_value_pop_1 and *call_value_1.  Depend on
2739         TARGET_CALL_ESP.
2740         (*call_pop_1, *call_1, *call_value_pop_1, *call_value_1):
2741         New patterns, use "lsm" as operand 1 constraint.
2742         * config/i386/predicates.md (call_insn_operand): Depend on
2743         index_register_operand for !TARGET_CALL_ESP to avoid %esp register.
2744
2745 2009-11-13  Jason Merrill  <jason@redhat.com>
2746
2747         PR debug/26965
2748         * dwarf2out.c (gen_variable_die): Don't worry about DECL_COMDAT.
2749         Don't emit a second declaration at any scope.
2750
2751 2009-11-13  Andrey Belevantsev  <abel@ispras.ru>
2752
2753         PR rtl-optimization/41697
2754         * sel-sched-ir.c (fallthru_bb_of_jump): Bail out when a block with
2755         a conditional jump has a single successor.
2756
2757 2009-11-13  Andrey Belevantsev  <abel@ispras.ru>
2758
2759         * sched-deps.c (init_deps): New parameter lazy_reg_last.  Don't
2760         allocate reg_last when in case lazy_reg_last is true.
2761         (init_deps_reg_last): New.
2762         (free_deps): When max_reg is 0, this context is already freed.
2763         * sched-int.h (init_deps_reg_last): Export.
2764         (init_deps): Update prototype.
2765         * sched-ebb.c (schedule_ebb): Update the call to init_deps.
2766         * sched-rgn.c (sched_rgn_compute_dependencies): Likewise.
2767         * ddg.c (build_intra_loop_deps): Likewise.
2768         * sel-sched-ir.c (copy_deps_context, create_deps_context,
2769         reset_deps_context, deps_init_id): Likewise.
2770         (init_first_time_insn_data): Lazy allocate INSN_DEPS_CONTEXT.
2771         (free_data_for_scheduled_insn): New, break down from ...
2772         (free_first_time_insn_data): ... here.
2773         (has_dependence_p): Allocate reg_last now, when it is needed.
2774         (extend_insn_data): When maximal LUID is big enough, allocate
2775         per-insn data in smaller chunks.
2776         * sel-sched-ir.h (free_data_for_scheduled_insn): Export.
2777         * sel-sched.c (update_seqnos_and_stage): Free INSN_DEPS_CONTEXT
2778         in scheduled insn.
2779
2780 2009-11-13  Uros Bizjak  <ubizjak@gmail.com>
2781
2782         * config/i386/i386.md (call_value): Fix comment.
2783         (sibcall_value): Ditto.
2784
2785 2009-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2786
2787         * config/i386/linux-unwind.h (x86_frob_update_context): New function.
2788         (MD_FROB_UPDATE_CONTEXT): Define.
2789
2790 2009-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2791             Laurent GUERBY  <laurent@guerby.net>
2792
2793         * config/sparc/linux-unwind.h (sparc64_fallback_frame_state): Tidy.
2794         Do not schedule an %sp restore.  Compensate for RETURN_ADDR_OFFSET.
2795         (sparc_fallback_frame_state): Tidy.  Compensate for RETURN_ADDR_OFFSET.
2796
2797 2009-11-12  Jan Hubicka  <jh@suse.cz>
2798
2799         * ipa.c (function_and_variable_visibility): Fix my accidentail commit
2800         and clear DECL_COMMON on localized declarations.
2801
2802 2009-11-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2803
2804         PR rtl-opt/38582
2805         * regrename.c (struct du_head): New structure; some elements moved
2806         from...
2807         (struct du_chain): ... this one.
2808         (open_chains, closed_chains): Now of type struct du_head *.
2809         (do_replace): Accept du_head argument, not du_chain.  All callers
2810         changed.  Modified code to match new data structures.
2811         (build_def_use): Return a list of du_head structures.  Modified code
2812         to match new data structures.
2813         (dump_def_use_chain): Accept du_head argument, not du_chain.  All
2814         callers changed.  Modified code to match new data structures.
2815         (merge_overlapping_regs): Accept du_head argument, not du_chain.  All
2816         callers changed.  Modified code to match new data structures.
2817         (scan_rtx_reg): Change type of this_regno and this_nregs to unsigned.
2818         Allocate a du_head structure as well as a du_chain when creating a
2819         new chain.  Modified other code to match new data structures.
2820
2821 2009-11-12  Jan Hubicka  <jh@suse.cz>
2822
2823         * cgraph.h (varpool_node_name): Declare.
2824         * cgraphunit.c (process_function_and_variable_attributes): Set
2825         force_output flag on used variables.
2826         * ipa.c (function_and_variable_visibility): Dump externally visible
2827         and needed variables.
2828         * varpool.c (varpool_node_name): Export.
2829         (decide_is_variable_needed): Check COMDAT for externally visible vars;
2830         ignore needed flag.
2831
2832 2009-11-12  Uros Bizjak  <ubizjak@gmail.com>
2833
2834         PR middle-end/41930
2835         * simplify-rtx.c (simplify_replace_fn_rtx) <case 'e'>: Skip
2836         processing if XEXP (x, i) is NULL.
2837
2838 2009-11-12  Jan Hubicka  <jh@suse.cz>
2839
2840         * ipa.c (function_and_variable_visibility): Verify that WEAK || COMMON
2841         imply PUBLIC || EXTERNAL.
2842
2843 2009-11-11  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
2844
2845         PR middle-end/41440
2846         * cfgexpand.c (expand_gimple_basic_block): Append NOP to a fallthru,
2847         single successor block, ending with jump created by RTL expander.
2848
2849 2009-11-11  Jan Hubicka  <jh@suse.cz>
2850
2851         PR middle-end/41729
2852         * ipa.c (function_and_variable_visibility): Do not privatize COMDAT
2853         and WEAK variables at -fwhole-program.
2854
2855         PR middle-end/41735
2856         * ipa.c (whole_program_function_and_variable_visility): COMDAT
2857         functions/variables are not needed even if they are externally visible.
2858
2859 2009-11-11  Jan Hubicka  <jh@suse.cz>
2860
2861         (patch by Richard Guenther)
2862         * lto-streamer-out.c (output_function): Output head of argument list
2863         earlier.
2864         * lto-streamer-in.c (input_function): Re-map arguments into merged
2865         declaration.
2866
2867 2009-11-11  Jan Hubicka  <jh@suse.cz>
2868
2869         * lto-cgraph.c: Include gcov-io.h
2870         (output_profile_summary): New function.
2871         (output_cgraph): Use it.
2872         (input_profile_summary): New function.
2873         (input_cgraph): Use it.
2874         * coverage.c (build_ctr_info_value): Use varpool; initalize
2875         DECL_ASSEMBLER_NAME.
2876         (create_coverage): Likewise.
2877         * tree-profile.c (tree_init_ic_make_global_vars): Likewise.
2878         (tree_init_edge_profiler): Likewise.
2879         * Makefile.in (lto-cgraph.o): Add dependency on gcov-io.h.
2880
2881 2009-11-11  Kai Tietz  <kai.tietz@onevision.com>
2882
2883         * config/i386/cygming.h (HANDLE_PRAGMA_PUSH_POP_MACRO): Removed.
2884         * c-pragma.c (def_pragma_macro_value): Likewise.
2885         (def_pragma_macro): Likewise.
2886         (pushed_macro_table): Likewise.
2887         (HANDLE_PRAGMA_PUSH_POP_MACRO): Remove guarded code.
2888         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): Removed.
2889
2890 2009-11-11  Basile Starynkevitch  <basile@starynkevitch.net>
2891
2892         * doc/plugins.texi (Registering custom attributes): section
2893         renamed as (Registering custom attributes or pragmas).
2894         Mentions custom attributes & pragmas, and c_register_pragma, with
2895         a small example.
2896         * doc/cpp.texi (Pragmas): Mentions that plugins can provide their
2897         pragmas.
2898         * doc/extend.texi (Function Attributes): Mentions that plugin can
2899         provide their attributes.
2900
2901 2009-11-11  Jon Beniston  <jon@beniston.com>
2902
2903         * config.gcc: Add lm32 elf and uclinux targets.
2904         * config/lm32: New directory.
2905         * config/lm32/lm32.c: New file.
2906         * config/lm32/lm32.h: New file.
2907         * config/lm32/lm32.md: New file.
2908         * config/lm32/lm32.opt: New file.
2909         * config/lm32/lm32-protos.h: New file.
2910         * config/lm32/constraints.md: New file.
2911         * config/lm32/predicates.md: New file.
2912         * config/lm32/sfp-machine.h: New file.
2913         * config/lm32/t-fprules-softfp: New file.
2914         * config/lm32/uclinux-elf.h: New file.
2915         * doc/invoke.texi: Document lm32 options.
2916         * doc/contrib.texi: Document lm32 porter.
2917         * doc/install.texi: Document lm32 targets.
2918
2919 2009-11-11  Martin Jambor  <mjambor@suse.cz>
2920
2921         PR lto/41932
2922         * ipa-prop.c (ipa_update_after_lto_read): Call
2923         ipa_check_create_node_params and ipa_check_create_edge_args.  Also
2924         call ipa_initialize_node_params instead of ipa_populate_param_decls.
2925
2926 2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2927
2928         * config/arm/arm.c (neon_vdup_constant, neon_make_constant): New.
2929         (neon_expand_vector_init): Use them.  Also handle non-constant
2930         vectors with identical elements and vectors with only one
2931         non-constant element.
2932         (arm_print_operand): Handle 'y' modifier.
2933         * config/arm/arm-protos.h (neon_make_constant): Declare.
2934         * config/arm/neon.md (neon_vdup_n<mode>): Split into two
2935         patterns.  Use VX instead of VDQW for the first one.  Allow
2936         a VFP alternative and V32 modes for the second one.
2937         * config/arm/neon.ml (shape_elt): Add Alternatives.
2938         (ops): Use Alternatives for vdup lane instructions.
2939         * config/arm/neon-testgen.ml (analyze_shape): Handle Alternatives.
2940         * config/arm/vec-common.md (mov<mode>): Use neon_make_constant.
2941
2942 2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2943
2944         * config/arm/neon.md (*neon_mov<mode>): Reject two non-register
2945         operands.
2946         (movti, mov<mode>): Call force_reg on one operand if required.
2947         * config/arm/vec-common.md (mov<mode>): Likewise.
2948
2949 2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2950
2951         * config/arm/arm.c (arm_override_options): Enable scheduling for
2952         Thumb-2.
2953
2954 2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
2955
2956         PR target/10127
2957         PR ada/20548
2958         * expr.h (anti_adjust_stack_and_probe): Declare.
2959         * explow.c (anti_adjust_stack_and_probe): Make global, add ADJUST_BACK
2960         parameter and rewrite head comment.
2961         (allocate_dynamic_stack_space): Adjust call to above function.
2962         * function.c (expand_function_end): Handle STACK_CHECK_MOVING_SP.
2963
2964         * tree.h (dwarf2out_args_size): Delete.
2965         * dwarf2out.c (dwarf2out_args_size): Make static and move around.
2966         (dwarf2out_args_size_adjust): Delete prototype and move around.
2967         (dwarf2out_frame_debug_expr): Do not record arg size adjustments for
2968         ACCUMULATE_OUTGOING_ARGS targets.
2969
2970 2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
2971
2972         * config/sparc/sparc.c (print_operand) <')'>: Test for a non-null
2973         DECL_SIZE of DECL_RESULT before evaluating it.
2974
2975 2009-11-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2976
2977         PR tree-optimization/41987
2978         * fold-const.c (const_binop): Avoid using fold_buildN().
2979
2980 2009-11-10  Martin Jambor  <mjambor@suse.cz>
2981
2982         * tree-pass.h (struct ipa_opt_pass_d): Added stmt_fixup field.
2983         (execute_all_ipa_stmt_fixups): Declare.
2984         * ipa-cp.c (pass_ipa_cp): Added stmt_fixup value.
2985         * ipa-inline.c (pass_ipa_inline): Likewise.
2986         * ipa-pure-const.c (pass_ipa_pure_cons): Likewise.
2987         * ipa-reference.c (pass_ipa_reference): Likewise.
2988         * ipa.c (pass_ipa_whole_program_visibility): Likewise.
2989         * lto-streamer-out.c (pass_ipa_lto_gimple_out): Likewise.
2990         (pass_ipa_lto_finish_out): Likewise.
2991         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Likewise.
2992         * passes.c (execute_ipa_stmt_fixups): New function.
2993         (execute_all_ipa_stmt_fixups): New function.
2994         * lto-streamer-in.c (input_function): Call execute_all_ipa_stmt_fixups.
2995
2996 2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
2997
2998         PR ada/20548
2999         * explow.c (probe_stack_range): Fix typo.
3000         * config/sparc/sparc.md (probe_stack): New expander.
3001
3002 2009-11-09  Dave Korn  <dave.korn.cygwin@gmail.com>
3003
3004         * config/i386/cygwin.h (LINK_SPEC): Add -tsaware flag if !mno-cygwin.
3005
3006 2009-11-09  Jason Merrill  <jason@redhat.com>
3007
3008         * gdbinit.in (pgq): New function for printing gimple sequence.
3009
3010 2009-11-09  Paul Brook  <paul@codesourcery.com>
3011             Daniel Jacobowitz  <dan@codesourcery.com>
3012             Sandra Loosemore  <sandra@codesourcery.com>
3013
3014         * doc/extend.texi (Half-Precision): Update wording to reflect
3015         that there are now multiple -mfpu options that enable fp16
3016         hardware support.
3017         * doc/invoke.texi: Update list of ARM -mfpu= options.
3018         * config.gcc: Update ARM --with-fpu option list.
3019         * config/arm/arm.c (all_fpus): Add vfpv3-fp16, vfpv3-d16-fp16,
3020         vfpv3xd and vfpv3xd-fp16.
3021         (use_vfp_abi): New function.
3022         (aapcs_vfp_is_call_or_return_candidate): Avoid double precision regs
3023         when undesirable.
3024         (aapcs_vfp_is_return_candidate, aapcs_vfp_is_call_candidate,
3025         aapcs_vfp_allocate_return_reg): Use use_vfp_abi.
3026         (arm_rtx_costs_1, arm_size_rtx_costs, arm_fastmul_rtx_costs,
3027         arm_9e_rtx_costs): Only expect double-precision operations if the FPU
3028         provides them.
3029         (coproc_secondary_reload_class): Reload HFmode via GENERAL_REGS if no
3030         NEON.
3031         (arm_print_operand): Handle 'p' modifier.
3032         (arm_hard_regno_mode_ok): : Allow HFmode in VFP registers if
3033         TARGET_FP16.
3034         * config/arm/arm.h (TARGET_VFP_SINGLE, TARGET_VFP_DOUBLE): Define.
3035         (TARGET_FP16): Define.
3036         * config/arm/vfp.md: Disable double-precision patterns if the FPU
3037         does not provide them.
3038         (arm_movdi_vfp, thumb2_movdi_vfp): Use fcpys to move
3039         double-precision values on a single-precision FPU.
3040         (movdf_vfp, thumb2_movdf_vfp): Likewise.  Use "Dy" for
3041         double-precision constants.
3042         (movhf_vfp_neon): New pattern (was movhf_vfp).
3043         (movhf_vfp): Remove NEON instructions.
3044         * config/arm/constraints.md: Add new "Dy" constraint for
3045         double-precision constants.  Update description of "Dv".
3046         * config/arm/arm.md: Disable double-precision patterns if the FPU
3047         does not provide them
3048
3049 2009-11-09  Jakub Jelinek  <jakub@redhat.com>
3050
3051         * config/i386/i386.c (print_operand) <case 'D'>: Fix formatting.
3052         (print_operand) <case 'Y'>: Likewise.  Fix a pasto in operand lossage
3053         diagnostics.
3054
3055 2009-11-08  H.J. Lu  <hongjiu.lu@intel.com>
3056
3057         * collect2.c (main): Search PLUGIN_LD for plugin linker.
3058
3059         * configure.ac (--with-plugin-ld): New.  Default to ld.
3060         * configure: Regenerated.
3061         * config.in: Likewise.
3062
3063         * exec-tool.in (ORIGINAL_PLUGIN_LD_FOR_TARGET): New.
3064         (collect-ld): Use ORIGINAL_PLUGIN_LD_FOR_TARGET for -plugin.
3065
3066 2009-11-08  Jonathan Gray  <jsg@openbsd.org>
3067
3068         * config/openbsd-stdint.h: Change to reflect what
3069         c_common_nodes_and_builtins expects.
3070
3071 2009-11-08  Paolo Carlini  <paolo.carlini@oracle.com>
3072
3073         * builtins.c (apply_args_reg_offset): Remove commented out delaration.
3074
3075 2009-11-08  Jakub Jelinek  <jakub@redhat.com>
3076
3077         PR target/41985
3078         * config/i386/i386.c (get_some_local_dynamic_name): Don't assert
3079         function contains at least one local dynamic name.
3080         (print_operand) <case '&'>: Instead output operand lossage diagnostics
3081         here if that happens.
3082
3083 2009-11-08  Zbigniew Chamski  <zbigniew.chamski@gmail.com>
3084             Joern Rennecke  <amylaar@spamcop.net>
3085
3086         * cfgrtl.c (pass_free_cfg): Add pass name.
3087         * cgraphbuild.c (pass_build_cgraph_edges): Likewise.
3088         (pass_rebuild_cgraph_edges, pass_remove_cgraph_callee_edges): Likewise.
3089         * dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Change pass name.
3090         * df-core.c (pass_df_initialize_no_opt): Likewise.
3091         * except.c (pass_rtl_eh): Likewise.
3092         * function.c (pass_init_function, pass_leaf_regs): Likewise.
3093         * gcse.c (pass_rtl_pre): Change pass name.
3094         * passes.c (pass_postreload): Add pass name.
3095         (make_pass_instance): Don't use duplicate-tracking logic for
3096         names starting with '*'.
3097         (next_pass_1): Assert that pass has a name.
3098         (register_one_dump_file): If there is an space in the name,
3099         skip past it.
3100         * predict.c (pass_strip_predict_hints): Add pass name.
3101         * reg-stack.c (pass_stack_regs): Likewise.
3102         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
3103         * tree-cfg.c (pass_warn_function_return,
3104         pass_warn_function_noreturn): Add pass name.
3105         * tree-dfa.c (pass_referenced_vars): Likewise.
3106         * tree-optimize.c (pass_cleanup_cfg_post_optimizing):
3107         Fix whitespace before comment.
3108         (pass_fixup_cfg): Add pass name, fix whitespace before comment.
3109         (pass_init_datastructures): Add pass name.
3110         * tree-ssa-loop.c (pass_record_bounds): Likewise.
3111         * tree-ssa.c (pass_early_warn_uninitialized,
3112         pass_late_warn_uninitialized): Likewise.
3113         * tree.c (pass_ipa_free_lang_data): Likewise.
3114         * doc/passes.texi (pass manager): Document how to disambiguate
3115         pass names.
3116
3117 2009-11-08  Paolo Bonzini  <bonzini@gnu.org>
3118
3119         * df-problems.c: Fix documentation for forward simulation of LR.
3120         (df_simulate_one_insn_forwards): Use df_simulate_find_defs.
3121         (df_simulate_finalize_forwards): Remove.
3122         * df.h (df_simulate_finalize_forwards): Remove.
3123
3124 2009-11-08  Richard Guenther  <rguenther@suse.de>
3125
3126         * tree-ssa-structalias.c (build_succ_graph): Properly make
3127         variables escape if they are stored to anything.
3128
3129 2009-11-08  Richard Guenther  <rguenther@suse.de>
3130
3131         PR rtl-optimization/41928
3132         * loop-invariant.c (free_loop_data): If we didn't allocate
3133         loop data do not try to free it.
3134
3135 2009-11-07  Jason Merrill  <jason@redhat.com>
3136
3137         * tree.c (reconstruct_complex_type): Preserve attributes.
3138
3139 2009-11-07  Richard Guenther  <rguenther@suse.de>
3140
3141         * tree-ssa-structalias.c (build_succ_graph): Feed stores
3142         to anything only to variables that can take pointers.
3143         (get_constraint_for_ssa_var): Properly exclude full
3144         variables from expanding.
3145         (first_vi_for_offset): Avoid overflow in arithmetic.
3146         (first_or_preceding_vi_for_offset): Likewise.
3147         (count_num_arguments): Fix implementation.
3148         (gate_ipa_pta): Do not run when not optimizing.
3149
3150 2009-11-07  David Binderman <dcb314@hotmail.com>
3151
3152         * builtins.c (apply_args_size, expand_builtin_mathfn, expand_powi,
3153         expand_builtin_expect, maybe_emit_sprintf_chk_warning): Remove some
3154         set but not used variables.
3155         (apply_args_reg_offset): Comment out as unused.
3156         * calls.c (flags_from_decl_or_type): Likewise.
3157         * genautomata.c (check_regexp_units_distribution): Likewise.
3158
3159 2009-11-07  Uros Bizjak  <ubizjak@gmail.com>
3160
3161         * config/i386/sse.md (xop_pmacsww, xop_pmacssww, xop_pmacsdd,
3162         xop_pmacssdd, xop_pmacssdql, xop_pmacssdqh, xop_pmacsdql,
3163         *xop_pmacsdql_mem, xop_pmacsdqh, *xop_pmacsdqh_mem, xop_pmacsswd,
3164         xop_pmacswd, xop_pmadcsswd, xop_pmadcswd, xop_pcmov_<mode>,
3165         xop_pcmov_<mode>256, xop_pperm, xop_pperm_pack_v2di_v4si,
3166         xop_pperm_pack_v4si_v8hi, xop_pperm_pack_v8hi_v16qi): Compress
3167         operand alternatives.
3168
3169 2009-11-06  Michael Matz  <matz@suse.de>
3170
3171         PR middle-end/41963
3172         * tree-ssa-math-opts.c (execute_cse_reciprocals): Check all uses
3173         of a potential reciprocal to really be reciprocals.
3174
3175 2009-11-06  Jakub Jelinek  <jakub@redhat.com>
3176
3177         * config/i386/x86intrin.h: Include fma4intrin.h, xopintrin.h and
3178         lwpintrin.h after immintrin.h.
3179         * config/i386/fma4intrin.h (__v8sf, __v4df, __m256, __m256d): Remove
3180         typedefs.
3181
3182         PR middle-end/41935
3183         * c-common.c (fold_offsetof_1) <case ARRAY_REF>: Don't crash for VLAs
3184         or non-constant index, allow index one past the last element and
3185         allow exceeding array bound in arrays that might be used as flexible
3186         array members.
3187
3188 2009-11-05  Richard Henderson  <rth@redhat.com>
3189
3190         * config/i386/ia32intrin.h: Protect CRC32 builtins with __SSE4_2__.
3191
3192 2009-11-05  Paul Brook  <paul@codesourcery.com>
3193
3194         * config/arm/arm.c (arm_fp_model, arm_fpu_arch, arm_fpu_tune): Remove.
3195         (arm_fpu_desc): New.
3196         (all_fpus): Add FPU details.
3197         (fp_model_for_fpu): Remove.
3198         (arm_override_options): Set and use arm_fpu_desc and arm_fpu_attr.
3199         (arm_output_epilogue, arm_save_coproc_regs): Use TARGET_FPA_EMU2.
3200         (arm_file_start): Use arm_fpu_desc.
3201         * config/arm/arm.h (TARGET_FPA, TARGET_MAVERICK, TARGET_VFP,
3202         TARGET_VFPD32, TARGET_VFP3, TARGET_NEON_FP16, TARGET_NEON): Use
3203         arm_fpu_desc.
3204         (TARGET_FPA_EMU2): Define.
3205         (arm_fp_model, fputype, arm_fpu_tune): Remove.
3206         (vfp_reg_type, arm_fpu_desc): New.
3207         * config/arm/arm.md (attr fpu): Simplify.
3208         * config/arm/fpa.md (movxf_fpa): Use TARGET_FPA_EMU2.
3209         * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Use string value.
3210         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Use string value.
3211         * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Use string value.
3212         * config/arm/vxworks.h (FPUTYPE_DEFAULT): Use string value.
3213
3214 2009-11-05  Michael Matz  <matz@suse.de>
3215
3216         * config/i386/i386.c (ix86_builtin_reciprocal): Remove dependency
3217         on TARGET_RECIP.
3218         * doc/invoke.texi (-mrecip): Clarify that we don't need -mrecip
3219         for 1/sqrtf.
3220
3221 2009-11-04  Jason Merrill  <jason@redhat.com>
3222
3223         PR c++/36912
3224         * varasm.c (initializer_constant_valid_p): A PLUS_EXPR
3225         or MINUS_EXPR of REAL_TYPE is not a valid constant initializer.
3226         (output_constant): Avoid crash after error.
3227
3228 2009-11-05  Martin Jambor  <mjambor@suse.cz>
3229
3230         * tree-sra.c (struct access): Changed comment of next_sibling field.
3231         (analyze_modified_params): Loop over accesses of a group rather than
3232         over all with the ame base, pass a common bitmap to
3233         walk_aliased_vdefs.
3234         (unmodified_by_ref_scalar_representative): Build link lists of
3235         accesses of a group.
3236         (splice_param_accesses): Likewise.
3237
3238 2009-11-04  Kenneth Zadeck  <zadeck@naturalbridge.com>
3239
3240         * df-scan.c (df-uses-record): Add case zero_extract of mem.
3241
3242 2009-11-04  Eric Botcazou  <ebotcazou@adacore.com>
3243
3244         PR target/10127
3245         PR ada/20548
3246         * config/i386/i386.md (probe_stack): New expander.
3247         (logical operation peepholes): Do not split stack checking probes.
3248
3249 2009-11-04  Harsha Jagasia  <harsha.jagasia@amd.com>
3250             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3251
3252         * doc/invoke.texi (-mlwp): Add documentation.
3253         * doc/extend.texi (x86 intrinsics): Add LWP intrinsics.
3254         * config.gcc (i[34567]86-*-*): Include lwpintrin.h.
3255         (x86_64-*-*): Ditto.
3256         * config/i386/lwpintrin.h: New file, provide x86 compiler
3257         intrinisics for LWP.
3258         * config/i386/cpuid.h (bit_LWP): Define LWP bit.
3259         * config/i386/x86intrin.h: Add LWP check and lwpintrin.h.
3260         * config/i386/i386-c.c (ix86_target_macros_internal): Check
3261         ISA_FLAG for LWP.
3262         * config/i386/i386.h (TARGET_LWP): New macro for LWP.
3263         * config/i386/i386.opt (-mlwp): New switch for LWP support.
3264         * config/i386/i386.c (OPTION_MASK_ISA_LWP_SET): New.
3265         (OPTION_MASK_ISA_LWP_UNSET): New.
3266         (ix86_handle_option): Handle -mlwp.
3267         (isa_opts): Handle -mlwp.
3268         (enum pta_flags): Add PTA_LWP.
3269         (override_options): Add LWP support.
3270         (IX86_BUILTIN_LLWPCB16): New for LWP intrinsic.
3271         (IX86_BUILTIN_LLWPCB32): Ditto.
3272         (IX86_BUILTIN_LLWPCB64): Ditto.
3273         (IX86_BUILTIN_SLWPCB16): Ditto.
3274         (IX86_BUILTIN_SLWPCB32): Ditto.
3275         (IX86_BUILTIN_SLWPCB64): Ditto.
3276         (IX86_BUILTIN_LWPVAL16): Ditto.
3277         (IX86_BUILTIN_LWPVAL32): Ditto.
3278         (IX86_BUILTIN_LWPVAL64): Ditto.
3279         (IX86_BUILTIN_LWPINS16): Ditto.
3280         (IX86_BUILTIN_LWPINS32): Ditto.
3281         (IX86_BUILTIN_LWPINS64): Ditto.
3282         (enum  ix86_special_builtin_type): Add LWP intrinsic support.
3283         (builtin_description): Ditto.
3284         (ix86_init_mmx_sse_builtins): Ditto.
3285         (ix86_expand_special_args_builtin): Ditto.
3286         * config/i386/i386.md (UNSPEC_LLWP_INTRINSIC): Add new UNSPEC for
3287         LWP support.
3288         (UNSPEC_SLWP_INTRINSIC): Ditto.
3289         (UNSPECV_LWPVAL_INTRINSIC): Ditto.
3290         (UNSPECV_LWPINS_INTRINSIC): Ditto.
3291         (lwp_llwpcbhi1): New lwp pattern.
3292         (lwp_llwpcbsi1): Ditto.
3293         (lwp_llwpcbdi1): Ditto.
3294         (lwp_slwpcbhi1): Ditto.
3295         (lwp_slwpcbsi1): Ditto.
3296         (lwp_slwpcbdi1): Ditto.
3297         (lwp_lwpvalhi3): Ditto.
3298         (lwp_lwpvalsi3): Ditto.
3299         (lwp_lwpvaldi3): Ditto.
3300         (lwp_lwpinshi3): Ditto.
3301         (lwp_lwpinssi3): Ditto.
3302         (lwp_lwpinsdi3): Ditto.
3303
3304 2009-11-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3305             Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
3306
3307         PR rtl-opt/41833
3308         * simplify-rtx.c (simplify_binary_operation_1): Simplify vec_select of
3309         a vec_duplicate.
3310
3311 2009-11-04  Richard Guenther  <rguenther@suse.de>
3312             Rafael Avila de Espindola  <espindola@google.com>
3313
3314         * gcc.c (process_command): Handle arguments name@offset.
3315
3316 2009-11-04  Harsha Jagasia  <harsha.jagasia@amd.com>
3317             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3318
3319         * config.gcc (i[34567]86-*-*): Include xopintrin.h.
3320         (x86_64-*-*): Ditto.
3321         * config/i386/xopintrin.h: New file, provide common x86 compiler
3322         intrinisics for XOP.
3323         * config/i386/cpuid.h (bit_XOP): Define XOP bit.
3324         * config/i386/x86intrin.h: Add XOP check and xopintrin.h.
3325         * config/i386/i386-c.c(ix86_target_macros_internal): Check
3326         ISA_FLAG for XOP.
3327         * config/i386/i386.h(TARGET_XOP): New macro for XOP.
3328         * config/i386/i386.opt (-mxop): New switch for XOP support.
3329         * config/i386/i386.md (UNSPEC_XOP_UNSIGNED_CMP)
3330         (UNSPEC_XOP_TRUEFALSE)
3331         (UNSPEC_XOP_PERMUTE)
3332         (UNSPEC_FRCZ): Add new UNSPEC for XOP support.
3333         (PPERM_*): New constants for vpperm instruction.
3334         (xop_pcmov_<mode>): Add XOP conditional mov instructions.
3335         * config/i386/i386.c (OPTION_MASK_ISA_XOP_SET): New.
3336         (OPTION_MASK_ISA_XOP_UNSET): New.
3337         (OPTION_MASK_ISA_XOP_UNSET): Change definition to depend on XOP.
3338         (ix86_handle_option): Handle -mxop.
3339         (isa_opts): Handle -mxop.
3340         (enum pta_flags): Add PTA_XOP.
3341         (override_options): Add XOP support.
3342         (print_operand): Add code for XOP compare instructions.
3343         (ix86_expand_sse_movcc): Extend for XOP conditional move instruction.
3344         (ix86_expand_int_vcond): Extend for XOP compare instruction.
3345
3346         (IX86_BUILTIN_VPCMOV): New for XOP intrinsic.
3347         (IX86_BUILTIN_VPCMOV_V2DI): Ditto.
3348         (IX86_BUILTIN_VPCMOV_V4SI): Ditto.
3349         (IX86_BUILTIN_VPCMOV_V8HI): Ditto.
3350         (IX86_BUILTIN_VPCMOV_V16QI): Ditto.
3351         (IX86_BUILTIN_VPCMOV_V4SF): Ditto.
3352         (IX86_BUILTIN_VPCMOV_V2DF): Ditto.
3353
3354         (IX86_BUILTIN_VPCMOV256): Ditto.
3355         (IX86_BUILTIN_VPCMOV_V4DI256): Ditto.
3356         (IX86_BUILTIN_VPCMOV_V8SI256): Ditto.
3357         (IX86_BUILTIN_VPCMOV_V16HI256): Ditto.
3358         (IX86_BUILTIN_VPCMOV_V32QI256): Ditto.
3359         (IX86_BUILTIN_VPCMOV_V8SF256): Ditto.
3360         (IX86_BUILTIN_VPCMOV_V4DF256): Ditto.
3361
3362         (IX86_BUILTIN_VPPERM): Ditto.
3363
3364         (IX86_BUILTIN_VPMACSSWW): Ditto.
3365         (IX86_BUILTIN_VPMACSWW): Ditto.
3366         (IX86_BUILTIN_VPMACSSWD): Ditto.
3367         (IX86_BUILTIN_VPMACSWD): Ditto.
3368         (IX86_BUILTIN_VPMACSSDD): Ditto.
3369         (IX86_BUILTIN_VPMACSDD): Ditto.
3370         (IX86_BUILTIN_VPMACSSDQL): Ditto.
3371         (IX86_BUILTIN_VPMACSSDQH): Ditto.
3372         (IX86_BUILTIN_VPMACSDQL): Ditto.
3373         (IX86_BUILTIN_VPMACSDQH): Ditto.
3374         (IX86_BUILTIN_VPMADCSSWD): Ditto.
3375         (IX86_BUILTIN_VPMADCSWD): Ditto.
3376
3377         (IX86_BUILTIN_VPHADDBW): Ditto.
3378         (IX86_BUILTIN_VPHADDBD): Ditto.
3379         (IX86_BUILTIN_VPHADDBQ): Ditto.
3380         (IX86_BUILTIN_VPHADDWD): Ditto.
3381         (IX86_BUILTIN_VPHADDWQ): Ditto.
3382         (IX86_BUILTIN_VPHADDDQ): Ditto.
3383         (IX86_BUILTIN_VPHADDUBW): Ditto.
3384         (IX86_BUILTIN_VPHADDUBD): Ditto.
3385         (IX86_BUILTIN_VPHADDUBQ): Ditto.
3386         (IX86_BUILTIN_VPHADDUWD): Ditto.
3387         (IX86_BUILTIN_VPHADDUWQ): Ditto.
3388         (IX86_BUILTIN_VPHADDUDQ): Ditto.
3389         (IX86_BUILTIN_VPHSUBBW): Ditto.
3390         (IX86_BUILTIN_VPHSUBWD): Ditto.
3391         (IX86_BUILTIN_VPHSUBDQ): Ditto.
3392
3393         (IX86_BUILTIN_VPROTB): Ditto.
3394         (IX86_BUILTIN_VPROTW): Ditto.
3395         (IX86_BUILTIN_VPROTD): Ditto.
3396         (IX86_BUILTIN_VPROTQ): Ditto.
3397         (IX86_BUILTIN_VPROTB_IMM): Ditto.
3398         (IX86_BUILTIN_VPROTW_IMM): Ditto.
3399         (IX86_BUILTIN_VPROTD_IMM): Ditto.
3400         (IX86_BUILTIN_VPROTQ_IMM): Ditto.
3401
3402         (IX86_BUILTIN_VPSHLB): Ditto.
3403         (IX86_BUILTIN_VPSHLW): Ditto.
3404         (IX86_BUILTIN_VPSHLD): Ditto.
3405         (IX86_BUILTIN_VPSHLQ): Ditto.
3406         (IX86_BUILTIN_VPSHAB): Ditto.
3407         (IX86_BUILTIN_VPSHAW): Ditto.
3408         (IX86_BUILTIN_VPSHAD): Ditto.
3409         (IX86_BUILTIN_VPSHAQ): Ditto.
3410
3411         (IX86_BUILTIN_VFRCZSS): Ditto.
3412         (IX86_BUILTIN_VFRCZSD): Ditto.
3413         (IX86_BUILTIN_VFRCZPS): Ditto.
3414         (IX86_BUILTIN_VFRCZPD): Ditto.
3415         (IX86_BUILTIN_VFRCZPS256): Ditto.
3416         (IX86_BUILTIN_VFRCZPD256): Ditto.
3417
3418         (IX86_BUILTIN_VPCOMEQUB): Ditto.
3419         (IX86_BUILTIN_VPCOMNEUB): Ditto.
3420         (IX86_BUILTIN_VPCOMLTUB): Ditto.
3421         (IX86_BUILTIN_VPCOMLEUB): Ditto.
3422         (IX86_BUILTIN_VPCOMGTUB): Ditto.
3423         (IX86_BUILTIN_VPCOMGEUB): Ditto.
3424         (IX86_BUILTIN_VPCOMFALSEUB): Ditto.
3425         (IX86_BUILTIN_VPCOMTRUEUB): Ditto.
3426
3427         (IX86_BUILTIN_VPCOMEQUW): Ditto.
3428         (IX86_BUILTIN_VPCOMNEUW): Ditto.
3429         (IX86_BUILTIN_VPCOMLTUW): Ditto.
3430         (IX86_BUILTIN_VPCOMLEUW): Ditto.
3431         (IX86_BUILTIN_VPCOMGTUW): Ditto.
3432         (IX86_BUILTIN_VPCOMGEUW): Ditto.
3433         (IX86_BUILTIN_VPCOMFALSEUW): Ditto.
3434         (IX86_BUILTIN_VPCOMTRUEUW): Ditto.
3435
3436         (IX86_BUILTIN_VPCOMEQUD): Ditto.
3437         (IX86_BUILTIN_VPCOMNEUD): Ditto.
3438         (IX86_BUILTIN_VPCOMLTUD): Ditto.
3439         (IX86_BUILTIN_VPCOMLEUD): Ditto.
3440         (IX86_BUILTIN_VPCOMGTUD): Ditto.
3441         (IX86_BUILTIN_VPCOMGEUD): Ditto.
3442         (IX86_BUILTIN_VPCOMFALSEUD): Ditto.
3443         (IX86_BUILTIN_VPCOMTRUEUD): Ditto.
3444
3445         (IX86_BUILTIN_VPCOMEQUQ): Ditto.
3446         (IX86_BUILTIN_VPCOMNEUQ): Ditto.
3447         (IX86_BUILTIN_VPCOMLTUQ): Ditto.
3448         (IX86_BUILTIN_VPCOMLEUQ): Ditto.
3449         (IX86_BUILTIN_VPCOMGTUQ): Ditto.
3450         (IX86_BUILTIN_VPCOMGEUQ): Ditto.
3451         (IX86_BUILTIN_VPCOMFALSEUQ): Ditto.
3452         (IX86_BUILTIN_VPCOMTRUEUQ): Ditto.
3453
3454         (IX86_BUILTIN_VPCOMEQB): Ditto.
3455         (IX86_BUILTIN_VPCOMNEB): Ditto.
3456         (IX86_BUILTIN_VPCOMLTB): Ditto.
3457         (IX86_BUILTIN_VPCOMLEB): Ditto.
3458         (IX86_BUILTIN_VPCOMGTB): Ditto.
3459         (IX86_BUILTIN_VPCOMGEB): Ditto.
3460         (IX86_BUILTIN_VPCOMFALSEB): Ditto.
3461         (IX86_BUILTIN_VPCOMTRUEB): Ditto.
3462
3463         (IX86_BUILTIN_VPCOMEQW): Ditto.
3464         (IX86_BUILTIN_VPCOMNEW): Ditto.
3465         (IX86_BUILTIN_VPCOMLTW): Ditto.
3466         (IX86_BUILTIN_VPCOMLEW): Ditto.
3467         (IX86_BUILTIN_VPCOMGTW): Ditto.
3468         (IX86_BUILTIN_VPCOMGEW): Ditto.
3469         (IX86_BUILTIN_VPCOMFALSEW): Ditto.
3470         (IX86_BUILTIN_VPCOMTRUEW): Ditto.
3471
3472         (IX86_BUILTIN_VPCOMEQD): Ditto.
3473         (IX86_BUILTIN_VPCOMNED): Ditto.
3474         (IX86_BUILTIN_VPCOMLTD): Ditto.
3475         (IX86_BUILTIN_VPCOMLED): Ditto.
3476         (IX86_BUILTIN_VPCOMGTD): Ditto.
3477         (IX86_BUILTIN_VPCOMGED): Ditto.
3478         (IX86_BUILTIN_VPCOMFALSED): Ditto.
3479         (IX86_BUILTIN_VPCOMTRUED): Ditto.
3480
3481         (IX86_BUILTIN_VPCOMEQQ): Ditto.
3482         (IX86_BUILTIN_VPCOMNEQ): Ditto.
3483         (IX86_BUILTIN_VPCOMLTQ): Ditto.
3484         (IX86_BUILTIN_VPCOMLEQ): Ditto.
3485         (IX86_BUILTIN_VPCOMGTQ): Ditto.
3486         (IX86_BUILTIN_VPCOMGEQ): Ditto.
3487         (IX86_BUILTIN_VPCOMFALSEQ): Ditto.
3488         (IX86_BUILTIN_VPCOMTRUEQ): Ditto.
3489
3490         (enum multi_arg_type): New enum for describing the various XOP
3491         intrinsic argument types.
3492         (bdesc_multi_arg): New table for XOP intrinsics.
3493         (ix86_init_mmx_sse_builtins): Add XOP intrinsic support.
3494         (ix86_expand_multi_arg_builtin): New function for creating XOP
3495         intrinsics.
3496
3497         * config/i386/sse.md (sserotatemax): New mode attribute for XOP.
3498         (xop_pmacsww): Ditto.
3499         (xop_pmacssww): Ditto.
3500         (xop_pmacsdd): Ditto.
3501         (xop_pmacssdd): Ditto.
3502         (xop_pmacssdql): Ditto.
3503         (xop_pmacssdqh): Ditto.
3504         (xop_pmacsdql): Ditto.
3505         (xop_pmacsdql_mem): Ditto.
3506         (xop_mulv2div2di3_low): Ditto.
3507         (xop_pmacsdqh): Ditto.
3508         (xop_pmacsdqh_mem): Ditto.
3509         (xop_mulv2div2di3_high): Ditto.
3510         (xop_pmacsswd): Ditto.
3511         (xop_pmacswd): Ditto.
3512         (xop_pmadcsswd): Ditto.
3513         (xop_pmadcswd): Ditto.
3514         (xop_pcmov_<mode>): Ditto.
3515         (xop_pcmov_<mode>256): Ditto.
3516         (xop_phaddbw): Ditto.
3517         (xop_phaddbd): Ditto.
3518         (xop_phaddbq): Ditto.
3519         (xop_phaddwd): Ditto.
3520         (xop_phaddwq): Ditto.
3521         (xop_phadddq): Ditto.
3522         (xop_phaddubw): Ditto.
3523         (xop_phaddubd): Ditto.
3524         (xop_phaddubq): Ditto.
3525         (xop_phadduwd): Ditto.
3526         (xop_phadduwq): Ditto.
3527         (xop_phaddudq): Ditto.
3528         (xop_phsubbw): Ditto.
3529         (xop_phsubwd): Ditto.
3530         (xop_phsubdq): Ditto.
3531         (xop_pperm): Ditto.
3532         (rotl<mode>3): Ditto.
3533         (rotr<mode>3): Ditto.
3534         (xop_rotl<mode>3): Ditto.
3535         (xop_rotr<mode>3): Ditto.
3536         (vrotr<mode>3): Ditto.
3537         (vrotl<mode>3): Ditto.
3538         (xop_vrotl<mode>3): Ditto.
3539         (vlshr<mode>3): Ditto.
3540         (vashr<mode>3): Ditto.
3541         (vashl<mode>3
3542         (xop_ashl<mode>3): Ditto.
3543         (xop_lshl<mode>3): Ditto.
3544         (ashlv16qi3): Ditto.
3545         (lshlv16qi3): Ditto.
3546         (ashrv16qi3): Ditto.
3547         (ashrv2di3): Ditto.
3548         (xop_frcz<mode>2): Ditto.
3549         (xop_vmfrcz<mode>2): Ditto.
3550         (xop_frcz<mode>2256): Ditto.
3551         (xop_maskcmp<mode>3): Ditto.
3552         (xop_maskcmp_uns<mode>3): Ditto.
3553         (xop_maskcmp_uns2<mode>3): Ditto.
3554         (xop_pcom_tf<mode>3): Ditto.
3555
3556         * doc/invoke.texi (-mxop): Add documentation.
3557         * doc/extend.texi (x86 intrinsics): Add XOP intrinsics.
3558
3559 2009-11-03  Mark Mitchell  <mark@codesourcery.com>
3560
3561         PR driver/11810
3562         * gcc.c (SWITCHES_NEED_SPACES): Define to "o".
3563         * config/alpha/osf.h (SWITCHES_NEED_SPACES): Remove here.
3564         * config/mips/iris.h (SWITCHES_NEED_SPACES): Remove here.
3565
3566 2009-11-04  Richard Earnshaw  <rearnsha@arm.com>
3567
3568         PR target/40835
3569         * arm.md (peephole2 patterns for move and compare): New.
3570
3571 2009-11-04  Nick Clifton  <nickc@redhat.com>
3572
3573         * defaults.h (CONSTANT_ADDRESS_P): Provide a default definition.
3574         Make sure that it does not allow CONST_DOUBLEs.
3575         * doc/tm.texi (CONSTANT_ADDRESS_P): Update description.
3576         * config/avr/avr.h (CONSTANT_ADDRESS_P): Delete.
3577         * config/bfin/bfin.h (CONSTANT_ADDRESS_P): Delete.
3578         * config/cris/cris.h (CONSTANT_ADDRESS_P): Delete.
3579         * config/fr30/fr30.h (CONSTANT_ADDRESS_P): Delete.
3580         * config/frv/frv.h (CONSTANT_ADDRESS_P): Delete.
3581         * config/m32c/m32c.h (CONSTANT_ADDRESS_P): Delete.
3582         * config/m68hc11/m68hc11.h (CONSTANT_ADDRESS_P): Delete.
3583         * config/mep/mep.h (CONSTANT_ADDRESS_P): Delete.
3584         * config/mn10300/mn10300.h (CONSTANT_ADDRESS_P): Delete.
3585         * config/moxie/moxie.h (CONSTANT_ADDRESS_P): Delete.
3586         * config/pdp11/pdp11.h (CONSTANT_ADDRESS_P): Delete.
3587         * config/picochip/picochip.h (CONSTANT_ADDRESS_P): Delete.
3588         * config/score/score.h (CONSTANT_ADDRESS_P): Delete.
3589         * config/stormy16/stormy16.h (CONSTANT_ADDRESS_P): Delete.
3590
3591 2009-11-04  Richard Guenther  <rguenther@suse.de>
3592
3593         PR tree-optimization/41919
3594         * tree-vrp.c (test_for_singularity): Properly compare values.
3595
3596 2009-11-04  Revital Eres  <eres@il.ibm.com>
3597
3598         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
3599         Consider peeling for alignment only for stores and remove
3600         redundant assignment.
3601
3602 2009-11-04  Maxim Kuvyrkov  <maxim@codesourcery.com>
3603
3604         PR target/41302
3605         * config/m68k/m68k.c (m68k_reg_present_p): New static function.
3606         (m68k_ok_for_sibcall_p): Handle different result return locations.
3607
3608 2009-11-04  Richard Guenther  <rguenther@suse.de>
3609
3610         * c-opts.c (c_common_post_options): Move LTO option processing
3611         code ...
3612         * opts.c (decode_options): ... here.
3613
3614 2009-11-04  Jakub Jelinek  <jakub@redhat.com>
3615
3616         * c-common.c (fold_offsetof_1): Use %wd instead of
3617         HOST_WIDE_INT_PRINT_DEC.
3618
3619 2009-11-04  Maciej W. Rozycki  <macro@linux-mips.org>
3620
3621         * config/vax/linux.h (TARGET_OS_CPP_BUILTINS): Don't define
3622         __pic__ or __PIC__.
3623
3624 2009-11-04  Maciej W. Rozycki  <macro@linux-mips.org>
3625
3626         * config.gcc (vax-*-linux*): Keep the original contents of
3627         tmake_file while adding vax/t-linux.
3628
3629 2009-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3630
3631         PR target/10127
3632         PR ada/20548
3633         * expr.h (STACK_CHECK_PROBE_INTERVAL): Delete.
3634         (STACK_CHECK_PROBE_INTERVAL_EXP): New macro.
3635         (STACK_CHECK_MOVING_SP): Likewise.
3636         * system.h (STACK_CHECK_PROBE_INTERVAL): Poison it.
3637         * doc/tm.texi (Stack Checking): Delete STACK_CHECK_PROBE_INTERVAL.
3638         Document STACK_CHECK_PROBE_INTERVAL_EXP and STACK_CHECK_MOVING_SP.
3639         * doc/md.texi (Standard Pattern Names): Tweak entry of CHECK_STACK.
3640         Document PROBE_STACK.
3641         * explow.c (anti_adjust_stack_and_probe): New function.
3642         (allocate_dynamic_stack_space): Do not directly allocate space if
3643         STACK_CHECK_MOVING_SP, instead invoke above function.
3644         (emit_stack_probe): Handle probe_stack insn.
3645         (PROBE_INTERVAL): New macro.
3646         (STACK_GROW_OPTAB): Likewise.
3647         (STACK_GROW_OFF): Likewise.
3648         (probe_stack_range): Use Pmode and memory_address consistently.  Fix
3649         loop condition in the small constant case.  Rewrite in the general
3650         case to be immune to wraparounds.  Make sure the address of probes
3651         is valid.  Try to use [base + disp] addressing mode if possible.
3652         * ira.c (setup_eliminable_regset): Set frame_pointer_needed if stack
3653         checking is enabled and STACK_CHECK_MOVING_SP.
3654         * rtlanal.c (may_trap_p_1) <MEM>: If stack checking is enabled,
3655         return 1 for volatile references to the stack pointer.
3656         * tree.c (build_common_builtin_nodes): Do not set ECF_NOTHROW on
3657         __builtin_alloca if stack checking is enabled.
3658         * unwind-dw2.c (uw_identify_context): Take into account whether the
3659         context is that of a signal frame or not.
3660         * config/i386/linux.h (STACK_CHECK_MOVING_SP): Define to 1.
3661         * config/i386/linux64.h (STACK_CHECK_MOVING_SP): Likewise.
3662
3663 2009-11-03  Jakub Jelinek  <jakub@redhat.com>
3664
3665         PR rtl-optimization/41917
3666         * rtlanal.c (num_sign_bit_copies1) <case UMOD>: If sign bit of second
3667         operand isn't known to be 0, return 1.
3668
3669 2009-11-03  Richard Sandiford  <rdsandiford@googlemail.com>
3670
3671         * config/mips/mips.md: Fix typos.
3672
3673 2009-11-03  Richard Sandiford  <rdsandiford@googlemail.com>
3674
3675         * doc/invoke.texi: Fix typo.
3676
3677 2009-11-03  Paul Brook  <paul@codesourcery.com>
3678
3679         * config/arm/neon.ml (vectype): Add T_floatSF.
3680         (string_of_vectype): Ditto.
3681         * config/arm/neon-gen.ml (signed_ctype): Add T_floatSF.
3682         (deftypes): Use float for float32_t.
3683         * config/arm/arm_neon.h: Regenerate.
3684
3685 2009-11-03  Nick Clifton  <nickc@redhat.com>
3686             Kevin Buettner  <kevinb@redhat.com>
3687
3688         * config/rx/predicates.md (rx_store_multiple_vector): Reverse
3689         order of expected registers.
3690         (rx_load_multiple_vector): Likewise.
3691         (rx_rtsd_vector): Likewise.
3692         * config/rx/rx.c (rx_cpu_type): New variable.
3693         (rx_print_operand): Fix bug printing 64-bit constant values.
3694         (rx_emit_stack_pushm): Reverse order of pushed registers.
3695         (gen_rx_store_vector): Likewise.
3696         (is_fast_interrupt_func): Only accept "fast_interrupt" as the
3697         attribute name.
3698         (is_exception_func): Rename to is_interrupt_func and only accept
3699         "interrupt" as the attribute name.
3700         (rx_get_stack_layout): Use new function name.
3701         (rx_func_attr_inlinable): Likewise.
3702         (rx_attribute_table): Remove "exception".
3703         (rx_expand_prologue): If necessary push the accumulator register
3704         in the prologue of interrupt functions.
3705         (rx_expand_epilogue): If necessary pop the accumulator.
3706         (rx_builtins): Add RX_BUILTIN_MVTIPL.
3707         (rx_expand_builtin_stz): Remove.
3708         (rx_expand_builtin_mvtipl): New function.
3709         (rx_init_builtins): Handle RX_BUILTIN_MVTIPL.
3710         (rx_expand_builtin): Likewise.
3711         (rx_enable_fpu): New variable.
3712         (rx_handle_option): Handle -fpu, -nofpu, -mcpu and -patch.
3713         * config/rx/rx.h (TARGET_CPU_CPP_BUILTINS): Assert machine based
3714         on rx_cpu_type.  Define __RX_FPU_INSNS__ if FPU insns are allowed.
3715         (enum rx_cpu_types): Define.
3716         (ASM_SPEC): Pass -m32bit-doubles on to assembler.
3717         (INCOMING_FRAME_SP_OFFSET): Define.
3718         (ARG_POINTER_CFA_OFFSET): Define.
3719         (FRAME_POINTER_CFA_OFFSET): Define.
3720         (OVERRIDE_OPTIONS): Enable fast math if RX FPU insns are enabled.
3721         (ALLOW_RX_FPU_INSNS): Define.
3722         * config/rx/rx.md: Test ALLOW_RX_FPU_INSNS instead of
3723         fast_math_flags_set_p.
3724         (UNSPEC_BUILTIN_MVTIPL): Define.
3725         (revl): Rename to bswapsi2.
3726         (bswaphi2): New pattern.
3727         (mvtachi): Mark as volatile because it uses a register unknown to GCC.
3728         (mvtaclo): Likewise.
3729         (racw): Likewise.
3730         (mvtc): Remove clobber of cc0.
3731         (mvtcp): Delete.
3732         (opecp): Delete.
3733         * config/rx/rx.opt (mieee): Remove.
3734         (fpu): Add.
3735         (nofpu): Add.
3736         (mcpu=): Add.
3737         (patch=): Add.
3738         (msave-acc-in-interrupts): Add.
3739         * config/rx/t-rx (MULTILIB_OPTIONS): Change default to 64bit doubles.
3740         (MULTILIB_DIRS): Likewise.
3741         (MULTILIB_MATCHES): Treat -fpu as an alias for -m32bit-doubles.
3742         * doc/extend.texi: Remove description of "exception" function
3743         attribute.
3744         * doc/invoke.texi: Document -fpu, -nofpu, -mcpu=, -patch= and
3745         -msave-acc-in-interrupts options.
3746
3747 2009-11-03  Richard Guenther  <rguenther@suse.de>
3748
3749         * c-common.c (fold_offsetof_1): Use HOST_WIDE_INT_PRINT_DEC.
3750
3751 2009-11-03  Dodji Seketeli  <dodji@redhat.com>
3752
3753         PR c++/38699
3754         * c-common.c (fold_offsetof_1): Issue errors when the member
3755         designator of the offsetof expression is not legitimate.
3756
3757 2009-11-03  Uros Bizjak  <ubizjak@gmail.com>
3758
3759         * config/i386/i386.md (*call_value_1_rex64_ms_sysv): Use register
3760         names instead of numerical constants.
3761         (sse_prologue_save): Ditto.
3762         (*sse_prologue_save_insn): Ditto.
3763
3764 2009-11-03  Uros Bizjak  <ubizjak@gmail.com>
3765
3766         PR target/41900
3767         * config/i386/i386.h (ix86_arch_indices) <X86_ARCH_CALL_ESP>: New.
3768         (TARGET_CALL_ESP): New define.
3769         * config/i386/i386.c (initial_ix86_tune_features): Initialize
3770         X86_ARCH_CALL_ESP.
3771         * config/i386/i386.md (*call_pop_1_esp, *call_1_esp,
3772         *call_value_pop_1_esp, *call_value_1_esp): Rename from *call_pop_1,
3773         *call_1, *call_value_pop_1 and *call_value_1.  Depend on
3774         TARGET_CALL_ESP.
3775         (*call_pop_1, *call_1, *call_value_pop_1, *call_value_1):
3776         New patterns, use "lsm" as operand 1 constraint.
3777         * config/i386/predicates.md (call_insn_operand): Depend on
3778         index_register_operand for !TARGET_CALL_ESP to avoid %esp register.
3779
3780 2009-11-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3781
3782         PR tree-optimization/41857
3783         * tree-flow.h (rewrite_use_address): Add BASE_HINT argument.
3784         * tree-ssa-loop-ivopts.c (rewrite_use_address): Pass base hint
3785         to create_mem_ref.
3786         * tree-ssa-address.c (move_hint_to_base): New function.
3787         (most_expensive_mult_to_index): Add TYPE argument.  Use mode and
3788         address space associated with TYPE.
3789         (addr_to_parts): Add TYPE and BASE_HINT arguments.  Pass TYPE to
3790         most_expensive_mult_to_index.  Call move_hint_to_base.
3791         (create_mem_ref): Add BASE_HINT argument.  Pass BASE_HINT and
3792         TYPE to addr_to_parts.
3793
3794 2009-11-02  Martin Jambor  <mjambor@suse.cz>
3795
3796         PR tree-optimization/41750
3797         * tree-sra.c (analyze_modified_params): Loop over all
3798         representatives of components of a parameter.
3799
3800 2009-11-02  Jakub Jelinek  <jakub@redhat.com>
3801
3802         PR tree-optimization/41841
3803         * ipa-struct-reorg.c (build_data_structure): Don't attempt to look at
3804         local variables of not yet materialized clones.
3805
3806         PR debug/41893
3807         * cfgexpand.c (expand_debug_expr): Don't attempt to create DECL_RTL
3808         for a VOIDmode variable.
3809
3810         PR c++/41774
3811         * c-pragma.c (visstack): Change into vector of ints rather than
3812         enum symbol_visibility.
3813         (push_visibility): Add kind argument, push default_visibility together
3814         with kind.
3815         (pop_visibility): Add kind argument, return true if successful, fail
3816         if visibility stack is empty or if stack top is of different kind.
3817         (handle_pragma_visibility): Don't check length of visstack, instead
3818         call pop_visibility and issue diagnostics if it failed.  Pass 0
3819         as last argument to push_visibility and pop_visibility.
3820         * c-pragma.h (push_visibility): Add kind argument.
3821         (pop_visibility): Likewise.  Return bool instead of void.
3822
3823 2009-11-01  Eric Botcazou  <ebotcazou@adacore.com>
3824
3825         * tree.def (TARGET_MEM_REF): Update comment.
3826         * alias.c (get_alias_set): Retrieve the original memory reference for
3827         a TARGET_MEM_REF before proceeding.
3828
3829 2009-10-31  Anatoly Sokolov  <aesok@post.ru>
3830
3831         * config/frv/frv.c (frv_function_value, frv_libcall_value,
3832         frv_function_value_regno_p): New functions.
3833         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
3834         * config/frv/frv.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
3835         (FUNCTION_VALUE_REGNO_P): Redefine, use frv_function_value_regno_p.
3836         * config/frv/frv-protos.h (frv_function_value_regno_p): Declare.
3837
3838 2009-10-31  Anatoly Sokolov  <aesok@post.ru>
3839
3840         * config/mn10300/mn10300.c (mn10300_function_value): Make static, add
3841         new 'outgoing' argument.
3842         (mn10300_libcall_value, mn10300_function_value_regno_p): New functions.
3843         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
3844         * config/mn10300/mn10300.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
3845         LIBCALL_VALUE): Remove.
3846         (FUNCTION_VALUE_REGNO_P): Redefine, use mn10300_function_value_regno_p.
3847         * config/mn10300/mn10300-protos.h (mn10300_function_value): Remove.
3848         (mh10300_function_value_regno_p): Declare.
3849
3850 2009-10-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3851
3852         * config/arm/cortex-a9.md: New - integer pipeline description.
3853
3854 2009-10-31  Eric Botcazou  <ebotcazou@adacore.com>
3855
3856         * tree-ssa-sccvn.c (vn_reference_lookup_3): Bail out instead of
3857         aborting if the sizes of the two references don't match.
3858
3859 2009-10-31  Toon Moene  <toon@moene.org>
3860
3861         * ipa-inline.c (cgraph_decide_inlining):
3862         Include reason for not inlining called-once functions in dump file.
3863
3864 2009-10-30  Daniel Gutson  <dgutson@codesourcery.com>
3865
3866         * config/arm/linux-eabi.h (LINK_SPEC): BE8_LINK_SPEC added.
3867         * config/arm/bpapi.h (BE8_LINK_SPEC): New define.
3868         (LINK_SPEC): BE_LINK_SPEC added.
3869
3870 2009-10-30  Richard Guenther  <rguenther@suse.de>
3871
3872         PR lto/41858
3873         * lto-streamer.h (struct lto_file_decl_data): Remove fd member.
3874
3875 2009-10-30  Nathan Sidwell  <nathan@codesourcery.com>
3876
3877         * target-def.h (TARGET_ASM_TTYPE): Correct typo of TARGET_ARM_TTYPE.
3878         * config/arm/unwind-arm.c (__gnu_Unwind_Backtrace): Remove unused
3879         label.
3880
3881 2009-10-30  Martin Jambor  <mjambor@suse.cz>
3882
3883         * tree-sra.c (build_ref_for_offset_1): Remove a comment.
3884
3885 2009-10-30  H.J. Lu  <hongjiu.lu@intel.com>
3886
3887         PR target/40838
3888         * cfgexpand.c (expand_stack_alignment): Call update_stack_boundary
3889         first.  Move assert on stack_alignment_estimated just before
3890         setting stack_realign_needed.
3891         (gimple_expand_cfg): Initialize stack_alignment_estimated to 0.
3892         Don't call update_stack_boundary.
3893
3894         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): New.
3895         (verride_options): Don't check ix86_force_align_arg_pointer here.
3896         (ix86_function_ok_for_sibcall): Use it.
3897         (ix86_update_stack_boundary): Likewise.
3898
3899         * config/i386/i386.h (STACK_REALIGN_DEFAULT): Update comments.
3900
3901 2009-10-30  Richard Earnshaw  <rearnsha@arm.com>
3902
3903         * arm.md (QHSI): New mode iterator.
3904         (movqi): If generating for thumb, then truncate any immediate to
3905         8 bits.
3906         * thumb2.md (thumb2_movsi_shortim and peephole2 generator): Replace
3907         with...
3908         (thumb2_mov<mode>_shortim and peephole2 generator): ... iterator based
3909         version.
3910
3911 2009-10-29  Cary Coutant  <ccoutant@google.com>
3912
3913         PR debug/41700
3914         * dwarf2out.c (dwarf2_debug_hooks): Add entries for new hook (two
3915         locations in the source).
3916         (store_vcall_insn): New function.
3917         (lookup_vcall_insn): New function.
3918         (dwarf2out_virtual_call_token): Use store_vcall_insn.
3919         (dwarf2out_copy_call_info): New function.
3920         (dwarf2out_virtual_call): Use lookup_vcall_insn.
3921         * emit-rtl.c (try_split): Call copy_call_info debug hook.
3922         * debug.h (struct gcc_debug_hooks): Add copy_call_info hook.
3923         * debug.c (do_nothing_debug_hooks): Add dummy entry for new hook.
3924         (debug_nothing_rtx_rtx): New dummy hook.
3925         * dbxout.c (dbx_debug_hooks): Add dummy entry for new hook.
3926         (xcoff_debug_hooks): Likewise.
3927         * sdbout.c (sdb_debug_hooks): Likewise.
3928         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
3929
3930 2009-10-29  David Daney  <ddaney@caviumnetworks.com>
3931
3932         * doc/invoke.texi (mmcount-ra-address): Document new command line
3933         option.
3934         * config/mips/mips.opt (mmcount-ra-address): New option.
3935         * config/mips/mips-protos.h (mips_function_profiler): Declare new
3936         function.
3937         * config/mips/mips.c (struct mips_frame_info): Add ra_fp_offset
3938         member.
3939         (mips_for_each_saved_gpr_and_fpr): Set ra_fp_offset.
3940         (mips_function_profiler): Moved from FUNCTION_PROFILER, and
3941         rewritten.
3942         * config/mips/mips.h (FUNCTION_PROFILER): Body of macro moved to
3943         mips_function_profiler.
3944
3945 2009-10-29  Steve Ellcey  <sje@cup.hp.com>
3946
3947         PR middle-end/37565
3948         PR target/38018
3949         * doc/tm.texi (OVERRIDE_OPTIONS): Update.
3950         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New.
3951         * optc-gen.awk (cl_target_option_restore): Include call to
3952         targetm.override_options_after_change.
3953         * target-def.h (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New.
3954         * target.h (override_options_after_change): New.
3955         * c-common.c (parse_optimize_options): Call
3956         targetm.override_options_after_change.
3957         * config/ia64/ia64.c (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New.
3958         (ia64_override_options_after_change): New.
3959         (ia64_override_options) Add call to above.
3960
3961 2009-10-29  Michael Matz  <matz@suse.de>
3962
3963         * tree-ssa-math-opts.c (execute_convert_to_rsqrt): Remove.
3964         (gate_convert_to_rsqrt): Ditto.
3965         (pass_convert_to_rsqrt): Ditto.
3966         * tree-pass.h (pass_convert_to_rsqrt): Don't declare.
3967         * passes.c (init_optimization_passes): Don't add pass_convert_to_rsqrt
3968         to pass list.
3969
3970         * config/i386/i386.c (ix86_emit_swdivsf): Change evaluation order.
3971
3972 2009-10-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3973
3974         * config/arm/arm.c (find_best_start): Fix type of remainder to be
3975         unsigned.
3976
3977 2009-10-29  Martin Jambor  <mjambor@suse.cz>
3978
3979         PR tree-optimization/41775
3980         * tree-sra.c (build_ref_for_offset): Unshare *expr if not NULL.
3981         (generate_subtree_copies): Do not unshare agg.
3982         (load_assign_lhs_subreplacements): Do not unshare rhs.
3983         (sra_modify_assign): Do not unshare exprs.
3984         (propagate_subacesses_accross_link): Renamed to
3985         propagate_subaccesses_across_link.
3986
3987 2009-10-29  Richard Earnshaw  <rearnsha@arm.com>
3988
3989         * arm.c (count_insns_for_constant): Rework to support counting for
3990         thumb2 immediates as well.
3991         (find_best_start): Split out from arm_gen_constant.
3992         (arm_gen_constant): Rework to support XOR with immediate.
3993
3994 2009-10-29  Chao-ying Fu  <fu@mips.com>
3995
3996         * config/mips/mips.c (mips_emit_unary, mips_force_unary): New
3997         functions.
3998         (mips_expand_synci_loop):  Use the length rtx to control the
3999         synci loop from the begin rtx that points to the first byte of
4000         the cache line.
4001
4002 2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
4003
4004         * doc/invoke.texi: Rename -use-linker-plugin -fuse-linker-plugin.
4005
4006 2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
4007
4008         * dbxout.c (dbxout_common_check): Accept non public trees.
4009         * dwarf2out.c (fortran_common): Accept non public trees.
4010
4011 2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
4012
4013         * common.opt (fuse-linker-plugin): New option.
4014         * gcc.c (LINK_COMMAND_SPEC, main): Rename use-linker-plugin to
4015         fuse-linker-plugin.
4016         * opts.c (common_handle_option): Ignore OPT_fuse_linker_plugin.
4017
4018 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
4019
4020         PR rtl-optimization/39715
4021         * config/arm/arm.md (cstoresi4): Use gen_cstoresi_ltu_thumb1.
4022         (gen_cstoresi_ltu_thumb1): New splitter.
4023
4024 2009-10-28  Richard Guenther  <rguenther@suse.de>
4025
4026         PR lto/41808
4027         PR lto/41839
4028         * tree-ssa.c (useless_type_conversion_p): Do not treat
4029         conversions to pointers to incomplete types as useless.
4030         * gimple.c (gimple_types_compatible_p): Compare struct tags,
4031         not typedef names.
4032
4033 2009-10-28  Jakub Jelinek  <jakub@redhat.com>
4034
4035         * var-tracking.c (emit_note_insn_var_location): Don't call the second
4036         vt_expand_loc unnecessarily when location is not a register nor
4037         memory.
4038
4039         PR middle-end/41837
4040         * ipa-struct-reorg.c (find_field_in_struct_1): Return NULL if
4041         fields don't have DECL_NAME.
4042
4043         PR debug/41801
4044         * builtins.c (get_builtin_sync_mem): Expand loc in ptr_mode,
4045         call convert_memory_address on addr.
4046
4047         PR target/41762
4048         * config/i386/i386.c (ix86_pic_register_p): Don't call
4049         rtx_equal_for_cselib_p for VALUEs discarded as useless.
4050
4051 2009-10-28  Richard Sandiford  <rdsandiford@googlemail.com>
4052
4053         * var-tracking.c (emit_note_insn_var_location): Get the mode of
4054         a variable part from its REG, MEM or VALUE.
4055
4056 2009-10-28  Richard Guenther  <rguenther@suse.de>
4057
4058         * gimple.c (gimple_get_alias_set): Fix comment typo.
4059
4060 2009-10-28  Richard Guenther  <rguenther@suse.de>
4061
4062         * tree.c (free_lang_data_in_type): Do not call get_alias_set.
4063         (free_lang_data): Unconditionally compute alias sets for all
4064         standard integer types.  Bail out if gate bailed out previously.
4065         Do not reset the types_compatible_p langhook.
4066         (gate_free_lang_data): Remove.
4067         (struct pass_ipa_free_lang_data): Enable unconditionally.
4068         * gimple.c (gimple_get_alias_set): Use the same alias-set for
4069         all pointer types.
4070
4071 2009-10-28  Richard Guenther  <rguenther@suse.de>
4072
4073         PR middle-end/41855
4074         * tree-ssa-alias.c (refs_may_alias_p_1): Deal with CONST_DECLs
4075         (ref_maybe_used_by_call_p_1): Fix bcopy handling.
4076         (call_may_clobber_ref_p_1): Likewise.
4077         * tree-ssa-structalias.c (find_func_aliases): Likewise.
4078         * alias.c (nonoverlapping_memrefs_p): Deal with CONST_DECLs.
4079
4080 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
4081
4082         PR rtl-optimization/41812
4083
4084         Revert:
4085         2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
4086
4087         * df-problems.c (df_md_scratch): New.
4088         (df_md_alloc, df_md_free): Allocate/free it.
4089         (df_md_local_compute): Only include live registers in init.
4090         (df_md_transfer_function): Prune the in-set computed by
4091         the confluence function, and the gen-set too.
4092
4093 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
4094
4095         PR rtl-optimization/39715
4096         * combine.c (simplify_comparison): Use extensions to
4097         widen comparisons.  Try an ANDing first.
4098
4099 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
4100
4101         PR rtl-optimization/40741
4102         * config/arm/arm.c (thumb1_rtx_costs): IOR or XOR with
4103         a small constant is cheap.
4104         * config/arm/arm.md (andsi3, iorsi3): Try to place the result of
4105         force_reg on the LHS.
4106         (xorsi3): Likewise, and split the XOR if the constant is complex
4107         and not in Thumb mode.
4108
4109 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
4110
4111         * expmed.c (emit_store_flag): Check costs before
4112         transforming to the opposite representation.
4113
4114 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
4115
4116         * config/sh/sh.md (cbranchfp4_media): Remove hack extending
4117         cstore result to DImode.
4118
4119 2009-10-28  Kaz Kojima  <kkojima@gcc.gnu.org>
4120
4121         * config/sh/sh.md (stuff_delay_slot): Move const_int pattern
4122         inside the unspec vector.
4123
4124 2009-10-27  Richard Henderson  <rth@redhat.com>
4125
4126         * cgraphunit.c (cgraph_optimize): Maintain timevar stack properly.
4127
4128 2009-10-27  Richard Henderson  <rth@redhat.com>
4129
4130         PR c++/41819
4131         * tree-eh.c (eh_region_may_contain_throw_map): Rename from
4132         eh_region_may_contain_throw; update users.
4133         (eh_region_may_contain_throw): New function.
4134         (lower_catch): Check flag_exceptions before creating exception region.
4135         (lower_eh_filter, lower_eh_must_not_throw): Likewise.
4136         (lower_cleanup): Tidy existing flag_exceptions check to match.
4137
4138 2009-10-27  Kai Tietz <kai.tietz@onevision.com>
4139
4140         PR/41799
4141         * config/i386/mingw32.h (CHECK_EXECUTE_STACK_ENABLED): New macro.
4142         * config/i386/mingw.opt: Add fset-stack-executable.
4143         * config/i386/i386.c (ix86_trampoline_init): Make call to
4144         emit_library_call conditional, if CHECK_EXECUTE_STACK_ENABLED is
4145         defined and its value is not zero.
4146         * doc/invoke.texi
4147
4148 2009-10-27  Richard Guenther  <rguenther@suse.de>
4149
4150         * tree-ssa-structalias.c (find_func_aliases): In IPA mode
4151         handle calls to externally visible functions like in regular mode.
4152         (create_variable_info_for): Do not create function infos here.
4153         (have_alias_info): Remove write-only variable.
4154         (solve_constraints): New function split out from common code
4155         in compute_points_to_sets and ipa_pta_execute.
4156         (compute_points_to_sets): Adjust.
4157         (ipa_pta_execute): Likewise.  Handle clones and externally visible
4158         functions like in non-IPA mode.
4159
4160 2009-10-27  Jakub Jelinek  <jakub@redhat.com>
4161
4162         PR c/41842
4163         * c-typeck.c (convert_arguments): Return -1 if any of the arguments is
4164         error_mark_node.
4165
4166 2009-10-27  Richard Guenther  <rguenther@suse.de>
4167
4168         * tree-complex.c (expand_complex_div_wide): Check for
4169         INTEGER_CST, not TREE_CONSTANT on comparison folding result.
4170
4171 2009-10-27  Revital Eres  <eres@il.ibm.com>
4172
4173         PR tree-optimization/40648
4174         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
4175         Change decision of when to peel for alignment.
4176
4177 2009-10-27  Richard Guenther  <rguenther@suse.de>
4178
4179         PR lto/41821
4180         * gimple.c (gimple_types_compatible_p): Handle OFFSET_TYPE.
4181
4182 2009-10-27  Aldy Hernandez  <aldyh@redhat.com>
4183
4184         PR bootstrap/41451
4185         * fold-const.c (fold_binary_loc): Do not call
4186         protected_set_expr_location.
4187
4188 2009-10-27  Wei Guozhi  <carrot@google.com>
4189
4190         PR target/41705
4191         * target.h (have_conditional_execution): Add a new target hook
4192         function.
4193         * target-def.h (TARGET_HAVE_CONDITIONAL_EXECUTION): Likewise.
4194         * targhooks.h (default_have_conditional_execution): Likewise.
4195         * targhooks.c (default_have_conditional_execution): Likewise.
4196         * doc/tm.texi (TARGET_HAVE_CONDITIONAL_EXECUTION): Document it.
4197         * config/arm/arm.c (TARGET_HAVE_CONDITIONAL_EXECUTION): Define it.
4198         (arm_have_conditional_execution): New function.
4199         * ifcvt.c (noce_process_if_block, find_if_header,
4200         cond_exec_find_if_block, dead_or_predicable): Change the usage of
4201         macro HAVE_conditional_execution to a target hook call.
4202         * recog.c (peephole2_optimize): Likewise.
4203         * sched-rgn.c (add_branch_dependences): Likewise.
4204         * final.c (asm_insn_count, final_scan_insn): Likewise.
4205         * bb-reorder.c (HAVE_conditional_execution): Remove it.
4206
4207 2009-10-26  Ben Elliston  <bje@au.ibm.com>
4208             Michael Meissner  <meissner@linux.vnet.ibm.com>
4209             Ulrich Weigand  <uweigand@de.ibm.com>
4210
4211         * config.gcc (spu-*-elf*): Add spu_cache.h to extra_headers.
4212         * config/spu/spu_cache.h: New file.
4213
4214         * config/spu/cachemgr.c: New file.
4215         * config/spu/cache.S: New file.
4216
4217         * config/spu/spu.h (ASM_OUTPUT_SYMBOL_REF): Define.
4218         (ADDR_SPACE_EA): Define.
4219         (TARGET_ADDR_SPACE_KEYWORDS): Define.
4220         * config/spu/spu.c (EAmode): New macro.
4221         (TARGET_ADDR_SPACE_POINTER_MODE): Define.
4222         (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
4223         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Likewise.
4224         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Likewise.
4225         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
4226         (TARGET_ADDR_SPACE_CONVERT): Likewise.
4227         (TARGET_ASM_SELECT_SECTION): Likewise.
4228         (TARGET_ASM_UNIQUE_SECTION): Likewise.
4229         (TARGET_ASM_UNALIGNED_SI_OP): Likewise.
4230         (TARGET_ASM_ALIGNED_DI_OP): Likewise.
4231         (ea_symbol_ref): New function.
4232         (spu_legitimate_constant_p): Handle __ea qualified addresses.
4233         (spu_addr_space_legitimate_address_p): New function.
4234         (spu_addr_space_legitimize_address): Likewise.
4235         (cache_fetch): New global.
4236         (cache_fetch_dirty): Likewise.
4237         (ea_alias_set): Likewise.
4238         (ea_load_store): New function.
4239         (ea_load_store_inline): Likewise.
4240         (expand_ea_mem): Likewise.
4241         (spu_expand_mov): Handle __ea qualified memory references.
4242         (spu_addr_space_pointer_mode): New function.
4243         (spu_addr_space_address_mode): Likewise.
4244         (spu_addr_space_subset_p): Likewise.
4245         (spu_addr_space_convert): Likewise.
4246         (spu_section_type_flags): Handle "._ea" section.
4247         (spu_select_section): New function.
4248         (spu_unique_section): Likewise.
4249         * config/spu/spu-c.c (spu_cpu_cpp_builtins): Support __EA32__
4250         and __EA64__ predefined macros.
4251         * config/spu/spu-elf.h (LIB_SPEC): Handle -mcache-size= and
4252         -matomic-updates switches.
4253
4254         * config/spu/t-spu-elf (MULTILIB_OPTIONS): Define.
4255         (EXTRA_MULTILIB_PARTS): Add libgcc_cachemgr.a,
4256         libgcc_cachemgr_nonatomic.a, libgcc_cache8k.a, libgcc_cache16k.a,
4257         libgcc_cache32k.a, libgcc_cache64k.a, libgcc_cache128k.a.
4258         ($(T)cachemgr.o, $(T)cachemgr_nonatomic.o): New target.
4259         ($(T)cache8k.o, $(T)cache16k.o, $(T)cache32k.o, $(T)cache64k.o,
4260         $(T)cache128k.o): Likewise.
4261         ($(T)libgcc_%.a): Likewise.
4262
4263         * config/spu/spu.h (TARGET_DEFAULT): Add MASK_ADDRESS_SPACE_CONVERSION.
4264         * config/spu/spu.opt (-mea32/-mea64): Add switches.
4265         (-maddress-space-conversion): Likewise.
4266         (-mcache-size=): Likewise.
4267         (-matomic-updates): Likewise.
4268         * doc/invoke.texi (-mea32/-mea64): Document.
4269         (-maddress-space-conversion): Likewise.
4270         (-mcache-size=): Likewise.
4271         (-matomic-updates): Likewise.
4272
4273 2009-10-26  Ben Elliston  <bje@au.ibm.com>
4274             Michael Meissner  <meissner@linux.vnet.ibm.com>
4275             Ulrich Weigand  <uweigand@de.ibm.com>
4276
4277         * doc/tm.texi (TARGET_ADDR_SPACE_KEYWORDS): Document.
4278
4279         * c-common.c (c_common_reswords): If TARGET_ADDR_SPACE_KEYWORDS is
4280         defined, add the named address space keywords.
4281         (c_addr_space_name): New function.
4282         (complete_array_type): Preserve named address space.
4283         (handle_mode_attribute): Use targetm.addr_space.valid_pointer_mode
4284         instead of targetm.valid_pointer_mode.
4285
4286         * c-common.h (enum rid): Add RID_ADDR_SPACE_0 .. RID_ADDR_SPACE_15,
4287         RID_FIRST_ADDR_SPACE and RID_LAST_ADDR_SPACE.
4288         (ADDR_SPACE_KEYWORD): New macro.
4289         (c_addr_space_name): Add prototype.
4290
4291         * c-tree.h (struct c_declspecs): Add address_space member.
4292         (declspecs_add_addrspace): Add prototype.
4293
4294         * c-pretty-print.c (pp_c_type_qualifier_list): Handle address spaces.
4295
4296         * c-parser.c (c_parse_init): Add assertion.
4297         (typedef enum c_id_kind): Add C_ID_ADDRSPACE.
4298         (c_lex_one_token): Handle address space keywords.
4299         (c_token_starts_typename): Likewise.
4300         (c_token_starts_declspecs): Likewise.
4301         (c_parser_declspecs): Likewise.
4302         (c_parser_postfix_expression_after_paren_type): Diagnose compound
4303         literal within function qualified with named address space.
4304
4305         * c-decl.c (diagnose_mismatched_decls): Diagnose conflicting named
4306         address space qualifiers.
4307         (shadow_tag_warned): Warn about useless address space qualifiers.
4308         (quals_from_declspecs): Handle address space qualifiers.
4309         (grokdeclarator): Likewise.
4310         (build_null_declspecs): Likewise.
4311         (declspecs_add_addrspace): New function.
4312
4313         * c-typeck.c (addr_space_superset): New function.
4314         (qualify_type): Handle named address spaces.
4315         (composite_type): Likewise.
4316         (common_pointer_type): Likewise.
4317         (comp_target_types): Likewise.
4318         (build_conditional_expr): Likewise.
4319         (handle_warn_cast_qual): Likewise.
4320         (build_c_cast): Likewise.
4321         (convert_for_assignment): Likewise.
4322         (build_binary_op): Likewise.
4323         (pointer_diff): Handle named address spaces.  Use intermediate
4324         integer type of sufficient size if required.
4325
4326 2009-10-26  Ben Elliston  <bje@au.ibm.com>
4327             Michael Meissner  <meissner@linux.vnet.ibm.com>
4328             Ulrich Weigand  <uweigand@de.ibm.com>
4329
4330         * doc/tm.texi (TARGET_ADDR_SPACE_POINTER_MODE): Document.
4331         (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
4332         (TARGET_ADDR_SPACE_VALID_POINTER_MODE): Likewise.
4333
4334         * target.h (struct target_def): Add pointer_mode, address_mode,
4335         and valid_pointer_mode to addr_space substructure.
4336         * target-def.h (TARGET_ADDR_SPACE_POINTER_MODE): Define.
4337         (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
4338         (TARGET_ADDR_SPACE_VALID_POINTER_MODE): Likewise.
4339         (TARGET_ADDR_SPACE_HOOKS): Add them.
4340         * targhooks.c (target_default_pointer_address_modes_p): New function.
4341         * target.h (target_default_pointer_address_modes_p): Add prototype.
4342         * targhooks.c (default_addr_space_pointer_mode): New function.
4343         (default_addr_space_address_mode): Likewise.
4344         (default_addr_space_valid_pointer_mode): Likewise.
4345         * targhooks.h (default_addr_space_pointer_mode): Add prototype.
4346         (default_addr_space_address_mode): Likewise.
4347         (default_addr_space_valid_pointer_mode): Likewise.
4348         * output.h (default_valid_pointer_mode): Move to ...
4349         * targhooks.h (default_valid_pointer_mode): ... here.
4350         * varasm.c (default_valid_pointer_mode): Move to ...
4351         * targhooks.c (default_valid_pointer_mode): ... here.
4352
4353         * varasm.c (output_constant): Use targetm.addr_space.valid_pointer_mode
4354         instead of targetm.valid_pointer_mode.
4355
4356         * fold-const.c (fit_double_type): Use int_or_pointer_precision.
4357         * tree.c (integer_pow2p): Likewise.
4358         (tree_log2): Likewise.
4359         (tree_floor_log2): Likewise.
4360         (signed_or_unsigned_type_for): Support pointer type of different size.
4361         (int_or_pointer_precision): New function.
4362         * tree.h (int_or_pointer_precision): Add prototype.
4363         * stor-layout.c (layout_type): Set TYPE_PRECISION for offset types.
4364         * varasm.c (initializer_constant_valid_p): Use TYPE_PRECISION of
4365         incoming pointer type instead of POINTER_SIZE.
4366
4367         * tree.c (build_pointer_type): Use appropriate pointer mode
4368         instead of ptr_mode.
4369         (build_reference_type): Likewise.
4370         * expr.c (store_expr): Likewise.
4371         (expand_expr_addr_expr): Likewise.
4372         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Likewise.
4373         * cfgexpand.c (expand_debug_expr): Likewise.
4374
4375         * auto-inc-dec.c: Include "target.h".
4376         (try_merge): Use appropriate address mode instead of Pmode.
4377         (find_inc): Likewise.
4378         * combine.c (find_split_point): Likewise.
4379         * cselib.c (cselib_record_sets): Likewise.
4380         * dse.c (replace_inc_dec): Likewise.
4381         (canon_address): Likewise.
4382         * var-tracking.c (replace_expr_with_values): Likewise.
4383         (count_uses): Likewise.
4384         (add_uses): Likewise.
4385         (add_stores): Likewise.
4386         * emit-rtl.c: Include "target.h".
4387         (adjust_address_1): Use appropriate address mode instead of Pmode.
4388         (offset_address): Likewise.
4389         * explow.c (break_out_memory_refs): Likewise.
4390         (memory_address_addr_space): Likewise.
4391         (promote_mode): Likewise.
4392         * expr.c (move_by_pieces): Likewise.
4393         (emit_block_move_via_loop): Likewise.
4394         (store_by_pieces): Likewise.
4395         (store_by_pieces_1): Likewise.
4396         (expand_assignment): Likewise.
4397         (store_constructor): Likewise.
4398         (expand_expr_addr_expr): Likewise.
4399         (expand_expr_real_1): Likewise.
4400         * cfgexpand.c (expand_debug_expr): Likewise.
4401         * ifcvt.c (noce_try_cmove_arith): Likewise.
4402         * regcprop.c (kill_autoinc_value): Likewise.
4403         * regmove.c (try_auto_increment): Likewise.
4404         * reload.c (find_reloads): Likewise.
4405         (find_reloads_address): Likewise.
4406         (find_reloads_address_1): Likewise.
4407         * sched-deps.c: Include "target.h".
4408         (sched_analyze_1): Use appropriate address mode instead of Pmode.
4409         (sched_analyze_2): Likewise.
4410         * sel-sched-dump.c: Include "target.h".
4411         (debug_mem_addr_value): Use appropriate address mode instead of Pmode.
4412         * stor-layout.c (layout_type): Likewise.
4413         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
4414         (multiplier_allowed_in_address_p): Likewise.
4415         (get_address_cost): Likewise.
4416         * varasm.c (make_decl_rtl): Likewise.
4417
4418         * expr.c (expand_assignment): Always convert offsets to appropriate
4419         address mode.
4420         (store_expr): Likewise.
4421         (store_constructor): Likewise.
4422         (expand_expr_real_1): Likewise.
4423
4424         * reload.h (form_sum): Add MODE argument.
4425         * reload.c (form_sum): Add MODE argument, use it instead of Pmode.
4426         Update recursive calls.
4427         (subst_indexed_address): Update calls to form_sum.
4428
4429         * tree-flow.h (addr_for_mem_ref): Add ADDRSPACE argument.
4430         * tree-ssa-address.c: Include "target.h".
4431         (templates): Replace by ...
4432         (mem_addr_template_list): ... this new vector.
4433         (TEMPL_IDX): Handle address space numbers.
4434         (gen_addr_rtx): Add address mode argument, use it instead of Pmode.
4435         (addr_for_mem_ref): Add ADDRSPACE argument.  Use per-address-space
4436         instead of global cache.  Update call to gen_addr_rtx.
4437         (valid_mem_ref_p): Update call to addr_for_mem_ref.
4438         * expr.c (expand_expr_real_1): Update call to addr_for_mem_ref.
4439
4440         * rtl.h (convert_memory_address_addr_space): Add prototype.
4441         (convert_memory_address): Define as macro.
4442         * explow.c (convert_memory_address): Rename to ...
4443         (convert_memory_address_addr_space): ... this.  Add ADDRSPACE argument.
4444         Use appropriate pointer and address modes instead of ptr_mode / Pmode.
4445         Update recursive calls.
4446         (memory_address_addr_space): Call convert_memory_address_addr_space.
4447         * expmed.c (make_tree): Likewise.
4448         * expr.c (expand_assignment): Likewise.
4449         (expand_expr_addr_expr_1): Likewise.  Also, add ADDRSPACE argument.
4450         (expand_expr_addr_expr): Likewise.  Also, update call.
4451
4452         * alias.c (find_base_value): Guard pointer size optimizations.
4453         (find_base_term): Likewise.
4454         * rtlanal.c (nonzero_bits1): Likewise.
4455         (num_sign_bit_copies1): Likewise.
4456         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
4457
4458         * Makefile.in (tree-ssa-address.o): Add $(TARGET_H) dependency.
4459         (emit-rtl.o): Likewise.
4460         (auto-inc-dec.o): Likewise.
4461         (sched-deps.o): Likewise.
4462
4463 2009-10-26  Ben Elliston  <bje@au.ibm.com>
4464             Michael Meissner  <meissner@linux.vnet.ibm.com>
4465             Ulrich Weigand  <uweigand@de.ibm.com>
4466
4467         * doc/extend.texi (Named Address Spaces): New section.
4468         * coretypes.h (addr_space_t): New type.
4469         (ADDR_SPACE_GENERIC): New define.
4470         (ADDR_SPACE_GENERIC_P): New macro.
4471
4472         * doc/tm.texi (Named Address Spaces): New section.
4473         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Document.
4474         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Document.
4475         (TARGET_ADDR_SPACE_SUBSET_P): Document.
4476         (TARGET_ADDR_SPACE_CONVERT): Document.
4477         * target.h (struct gcc_target): Add addr_space substructure.
4478         * target-def.h (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Define.
4479         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Likewise.
4480         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
4481         (TARGET_ADDR_SPACE_CONVERT): Likewise.
4482         (TARGET_ADDR_SPACE_HOOKS): Likewise.
4483         (TARGET_INITIALIZER): Initialize addr_space hooks.
4484         * targhooks.c (default_addr_space_legitimate_address_p): New function.
4485         (default_addr_space_legitimize_address): Likewise.
4486         (default_addr_space_subset_p): Likewise.
4487         (default_addr_space_convert): Likewise.
4488         * targhooks.h (default_addr_space_legitimate_address_p): Add prototype.
4489         (default_addr_space_legitimize_address): Likewise.
4490         (default_addr_space_subset_p): Likewise.
4491         (default_addr_space_convert): Likewise.
4492
4493         * doc/rtl.texi (MEM_ADDR_SPACE): Document.
4494         * rtl.h (mem_attrs): Add ADDRSPACE memory attribute.
4495         (MEM_ADDR_SPACE): New macro.
4496         * emit-rtl.c (get_mem_attrs): Add ADDRSPACE argument and set
4497         address space memory attribute.
4498         (mem_attrs_htab_hash): Handle address space memory attribute.
4499         (mem_attrs_htab_eq): Likewise.
4500         (set_mem_attributes_minus_bitpos): Likewise.
4501         (set_mem_alias_set): Likewise.
4502         (set_mem_align): Likewise.
4503         (set_mem_expr): Likewise.
4504         (set_mem_offset): Likewise.
4505         (set_mem_size): Likewise.
4506         (adjust_address_1): Likewise.
4507         (offset_address): Likewise.
4508         (widen_memoy_address): Likewise.
4509         (get_spill_slot_decl): Likewise.
4510         (set_mem_attrs_for_spill): Likewise.
4511         (set_mem_addr_space): New function.
4512         * emit-rtl.h (set_mem_addr_space): Add prototype.
4513         * print-rtl.c (print_rtx): Print address space memory attribute.
4514         * expr.c (expand_assignment): Set address space memory attribute
4515         of generated MEM RTXes as appropriate.
4516         (expand_expr_real_1): Likewise.
4517         * cfgexpand.c (expand_debug_expr): Likewise.
4518         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
4519
4520         * tree.h (struct tree_base): Add address_space bitfield.  Reduce
4521         size of "spare" bitfield.
4522         (TYPE_ADDR_SPACE): New macro.
4523         (ENCODE_QUAL_ADDR_SPACE): Likewise.
4524         (DECODE_QUAL_ADDR_SPACE): Likewise.
4525         (CLEAR_QUAL_ADDR_SPACE): Likewise.
4526         (KEEP_QUAL_ADDR_SPACE): Likewise.
4527         (TYPE_QUALS): Encode type address space.
4528         (TYPE_QUALS_NO_ADDR_SPACE): New macro.
4529         * tree.c (set_type_quals): Set type address space.
4530         (build_array_type): Inherit array address space from element type.
4531         * print-tree.c (print_node_brief): Print type address space.
4532         (print_node): Likewise.
4533         * tree-pretty-print.c (dump_generic_node): Likewise.
4534
4535         * explow.c (memory_address): Rename to ...
4536         (memory_address_addr_space): ... this.  Add ADDRSPACE argument.
4537         Use address-space aware variants of memory address routines.
4538         * recog.c (memory_address_p): Rename to ...
4539         (memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
4540         Use address-space aware variants of memory address routines.
4541         (offsettable_address_p): Rename to ...
4542         (offsettable_address_addr_space_p): ... this.  Add ADDRSPACE argument.
4543         Use address-space aware variants of memory address routines.
4544         * reload.c (strict_memory_address_p): Rename to ...
4545         (strict_memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
4546         Use address-space aware variants of memory address routines.
4547         (maybe_memory_address_p): Rename to ...
4548         (maybe_memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
4549         Use address-space aware variants of memory address routines.
4550         * expr.h (memory_address_addr_space): Add prototype.
4551         (memory_address): Define as macro.
4552         * recog.h (memory_address_addr_space_p): Add prototype.
4553         (memory_address_p): Define as macro.
4554         (offsettable_address_addr_space_p): Add prototype.
4555         (offsettable_address_p): Define as macro.
4556         (strict_memory_address_addr_space_p): Add prototype.
4557         (strict_memory_address_p): Define as macro.
4558
4559         * combine.c (find_split_point): Use address-space aware variants
4560         of memory address routines.
4561         * emit-rtl.c (operand_subword): Likewise.
4562         (change_address_1): Likewise.
4563         (adjust_address_1): Likewise.
4564         (offset_address): Likewise.
4565         * expr.c (emit_move_insn): Likewise.
4566         (expand_assignment): Likewise.
4567         (expand_expr_real_1): Likewise.
4568         * recog.c (verify_changes): Likewise.
4569         (general_operand): Likewise.
4570         (offsettable_memref_p): Likewise.
4571         (offsettable_nonstrict_memref_p): Likewise.
4572         (constrain_operands): Likewise.
4573         * reload.c (get_secondary_mem): Likewise.
4574         (find_reloads_toplev): Likewise.
4575         (find_reloads_address): Likewise.
4576         (find_reloads_subreg_address): Likewise.
4577         * reload1.c (reload): Likewise.
4578         * rtlhooks.c (gen_lowpart_if_possible): Likewise.
4579         * rtl.h (address_cost): Add ADDRSPACE argument.
4580         * rtlanal.c (address_cost): Add ADDRSPACE argument.  Use address-space
4581         aware variant of memory address routines.
4582         * loop-invariant.c (create_new_invariant): Update address_cost call.
4583         * tree-ssa-loop-ivopts.c (computation_cost): Likewise.
4584         * fwprop.c (should_replace_address): Add ADDRSPACE argument.
4585         Use address-space aware variant of memory address routines.
4586         (propagate_rtx_1): Update call to should_replace_address.
4587         * tree-flow.h (multiplier_allowed_in_address_p): Add ADDRSPACE
4588         argument.
4589         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Add
4590         ADDRSPACE argument.  Use per-address-space instead of global cache.
4591         Use address-space aware variant of memory address routines.
4592         (get_address_cost): Likewise.
4593         (get_computation_cost_at): Update calls.
4594         * tree-ssa-address.c (valid_mem_ref_p): Add ADDRSPACE argument.
4595         Use address-space aware variant of memory address routines.
4596         (create_mem_ref_raw): Update call to valid_mem_ref_p.
4597         (most_expensive_mult_to_index): Update call to
4598         multiplier_allowed_in_address_p.
4599
4600         * dwarf2out.c (modified_type_die): Output DW_AT_address_class
4601         attribute to indicate named address spaces.
4602
4603         * varasm.c (get_variable_section): DECLs in named address spaces
4604         cannot be "common".
4605
4606         * reload.c (find_reloads_address): Do not use LEGITIMIZE_RELOAD_ADDRESS
4607         for addresses in a non-generic address space.
4608
4609         * expr.c (emit_block_move_hints): Do not use libcalls for
4610         memory in non-generic address spaces.
4611         (clear_storage_hints): Likewise.
4612         (expand_assignment): Likewise.
4613
4614         * fold-const.c (operand_equal_p): Expressions refering to different
4615         address spaces are not equivalent.
4616
4617         * rtl.c (rtx_equal_p_cb): MEMs refering to different address
4618         spaces are not equivalent.
4619         (rtx_equal_p): Likewise.
4620         * cse.c (exp_equiv_p): Likewise.
4621         * jump.c (rtx_renumbered_equal_p): Likewise.
4622         * reload.c (operands_match_p): Likewise.
4623
4624         * alias.c (nonoverlapping_memrefs_p): MEMs refering to different
4625         address spaces may alias.
4626         (true_dependence): Likewise.
4627         (canon_true_dependence): Likewise.
4628         (write_dependence_p): Likewise.
4629
4630         * dse.c (canon_address): Handle named address spaces.
4631         * ifcvt.c (noce_try_cmove_arith): Likewise.
4632
4633         * tree.def (ADDR_SPACE_CONVERT_EXPR): New tree code.
4634         * expr.c (expand_expr_real_2): Expand ADDR_SPACE_CONVERT_EXPR.
4635         * convert.c (convert_to_pointer): Generate ADDR_SPACE_CONVERT_EXPR
4636         to handle conversions between different address spaces.
4637         * fold-const.c (fold_convert_loc): Likewise.
4638         (fold_unary_loc): Handle ADDR_SPACE_CONVERT_EXPR.
4639         * tree-pretty-print.c (dump_generic_node): Likewise.
4640         * gimple-pretty-print.c (dump_unary_rhs): Likewise.
4641         * tree-cfg.c (verify_gimple_assign_unary): Likewise.
4642         * tree-inline.c (estimate_operator_cost): Likewise.
4643         * tree-ssa.c (useless_type_conversion_p): Conversions between pointers
4644         to different address spaces are not useless.
4645
4646 2009-10-26  Jakub Jelinek  <jakub@redhat.com>
4647
4648         PR bootstrap/41345
4649         * cfgcleanup.c (trivially_empty_bb_p): New function.
4650         (try_optimize_bb): Use it instead of checking BB_HEAD == BB_END.
4651
4652         PR debug/41828
4653         * dwarf2out.c (add_pubname, add_pubtype, generic_parameter_die,
4654         add_name_and_src_coords_attributes, gen_namespace_die,
4655         dwarf2out_set_name): Handle dwarf2_name returning NULL.
4656
4657 2009-10-26  Nick Clifton  <nickc@redhat.com>
4658
4659         * config.gcc: Add support for RX target.
4660         * config/rx: New directory.
4661         * config/rx/constraints.md: New file.
4662         * config/rx/predicates.md: New file.
4663         * config/rx/rx.c: New file.
4664         * config/rx/rx.h: New file.
4665         * config/rx/rx.md: New file.
4666         * config/rx/rx.opt: New file.
4667         * config/rx/rx-protos.h: New file.
4668         * config/rx/t-rx: New file.
4669         * doc/extend.texi: Document RX function attributes.
4670         * doc/invoke.texi: Document RX specific command line options.
4671         * doc/contrib.texi: Document RX contribution.
4672         * doc/md.texi: Document RX constraints.
4673         * doc/install.texi: Document RX support.
4674
4675 2009-10-26  Michael Matz  <matz@suse.de>
4676
4677         PR tree-optimization/41783
4678         * tree-ssa-alias.c (get_continuation_for_phi): Export, add a special
4679         case for simple diamonds.
4680         * tree-ssa-alias.h (get_continuation_for_phi): Declare.
4681         * tree-ssa-pre.c (translate_vuse_through_block): Add same_valid
4682         argument, use alias oracle to skip some vdefs.
4683         (phi_translate_1): Change call to above, don't allocate new
4684         value ids if they can stay the same.
4685         (compute_avail): Allow vuse walking when looking up references.
4686
4687 2009-10-26  Richard Guenther  <rguenther@suse.de>
4688
4689         PR tree-optimization/41826
4690         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Avoid
4691         access to re-allocated vector fields.
4692
4693 2009-10-26  Richard Guenther  <rguenther@suse.de>
4694
4695         * graphite-sese-to-poly.c (check_poly_representation): Fix
4696         compile without checking.
4697
4698 2009-10-26  Janus Weil  <janus@gcc.gnu.org>
4699
4700         PR fortran/41714
4701         * gimple.h (tree_annotate_all_with_location): Remove prototype.
4702         * gimplify.c (tree_should_carry_location_p,
4703         tree_annotate_one_with_location,tree_annotate_all_with_location):
4704         Remove obsolete functions.
4705
4706 2009-10-25  Kaz Kojima  <kkojima@gcc.gnu.org>
4707
4708         PR target/41813
4709         * config/sh/sh.md (stuff_delay_slot): Don't set T_REG in pattern.
4710
4711 2009-10-25  Richard Guenther  <rguenther@suse.de>
4712
4713         * lto-streamer-in.c (unpack_ts_decl_common_value_fields):
4714         Stream DECL_RESTRICTED_P.
4715         * lto-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
4716
4717 2009-10-25  Richard Sandiford  <rdsandiford@googlemail.com>
4718
4719         * config/mips/mips.c (mips_restore_gp_from_cprestore_slot): Emit
4720         a note when expanding to nothing.
4721
4722 2009-10-25  Richard Guenther  <rguenther@suse.de>
4723
4724         PR middle-end/41814
4725         * tree.c (find_decls_types_r): Deal with Java overloading
4726         BINFO_VIRTUALS for its own purpose.
4727
4728 2009-10-24  Adam Nemet  <anemet@caviumnetworks.com>
4729
4730         * config/mips/predicates.md (hilo_operand): New predicate.
4731         * config/mips/mips.md (<u>mulsidi3_64bit): Change it to a
4732         define_insn.  Correct !ISA_HAS_EXT_INS length from 24 to 28.  Move
4733         splitter part from here ...:
4734         (<u>mulsidi3_64bit splitter for !ISA_HAS_EXT_INS): ... to here.  Swap
4735         op0 and op4 to match the DINS case.
4736         (<u>mulsidi3_64bit splitter for ISA_HAS_EXT_INS): New splitter.
4737
4738 2009-10-24  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
4739
4740         PR middle-end/19154
4741         * avr.md (QIDI): Add new mode iterator.
4742         (sbrx_branch<mode>): Create new zero extract bit, test and jump
4743         patterns for all QI thru DI modes combinations.
4744         (sbrx_and_branch<mode>): Create new and based bit test and jump
4745         patterns for QI thru SI modes.
4746         avr.c (avr_out_sbxx_branch): Use only bit number.
4747
4748 2009-10-24  Jan Hubicka  <jh@suse.cz>
4749
4750         * ipa-reference.c (check_call): Noreturn notrhow calls do not write
4751         to memory.
4752         (analyze_function): When analyzing noreturn nothrow call, do not
4753         compute written stats; free bitmaps of vars early if possible.
4754         (generate_summary): Only update bitmaps if computed.
4755         (propagate): Only dump bitmaps if computed.
4756         (ipa_reference_read_summary): Fix pasto.
4757
4758 2009-10-24  Eric Botcazou  <ebotcazou@adacore.com>
4759
4760         * tree-ssa-alias.c (nonaliasing_component_refs_p): Rename into...
4761         (aliasing_component_refs_p): ...this.  Return true if there is no
4762         common base and the base access types have the same alias set.
4763         (indirect_ref_may_alias_decl_p): Adjust for above renaming.
4764         (indirect_refs_may_alias_p): Likewise.
4765
4766 2009-10-23  Joseph Myers  <joseph@codesourcery.com>
4767
4768         PR c/40033
4769         * c-typeck.c (c_finish_stmt_expr): Do not wrap error_mark_node in
4770         a C_MAYBE_CONST_EXPR.
4771
4772 2009-10-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
4773
4774         PR target/41787
4775         * config/rs6000/rs6000.c (struct machine_function): Add
4776         vsx_or_altivec_used_p to record if vector types are used.
4777         (rs6000_expand_to_rtl_hook): Rename from
4778         rs6000_alloc_sdmode_stack_slot.  If VSX, check to see if there are
4779         any vector operations, so if there are, we can set VRSAVE to
4780         non-zero when only floating point vector registers are used.
4781         (TARGET_EXPAND_TO_RTL_HOOK): Use rs6000_expand_to_rtl_hook.
4782         (rs6000_check_vector_mode): Inner function to check if vector
4783         types are used in the code.
4784         (compute_vrsave_mask): If VSX, make sure VRSAVE is non-zero if
4785         vector instructions are used.
4786
4787         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED):
4788         Indicate that VSX registers which overlap floating point
4789         registers, can't be used across a call, since the ABI only states
4790         the scalar part of the register will be saved and restored.
4791
4792 2009-10-23  Joseph Myers  <joseph@codesourcery.com>
4793
4794         PR c/41673
4795         * alias.c (get_alias_set): Call langhook before returning 0 for
4796         types with structural equality.
4797         * c-common.c (c_common_get_alias_set): Use alias set of element
4798         type for arrays with structural comparison.
4799
4800 2009-10-23  Richard Guenther  <rguenther@suse.de>
4801
4802         PR middle-end/41805
4803         * cfgexpand.c (expand_call_stmt): Use gimple_has_side_effects and
4804         gimple_call_nothrow_p.
4805
4806 2009-10-23  Richard Guenther  <rguenther@suse.de>
4807
4808         PR tree-optimization/41778
4809         * tree-ssa-pre.c (do_regular_insertion): Only insert if a
4810         redundancy along a path in the CFG we want to optimize for speed
4811         is going to be removed.
4812         (execute_pre): Do partial-PRE only if the function is to be
4813         optimized for speed.
4814         (gate_pre): Do not turn off all of PRE when not optimizing a
4815         function for speed.
4816
4817 2009-10-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4818
4819         * builtins.c (fold_builtin_cabs): Use validate_arg().
4820         (fold_builtin_cexp): Fix if-logic.
4821         (fold_builtin_1): Check subtype for BUILT_IN_CIMAG.
4822
4823 2009-10-22  Jeff Law  <law@redhat.com>
4824
4825         * ira-lives.c (process_single_reg_class_operands): Update the
4826         hard reg costs for all the hard registers desired by the
4827         single reg class operand.
4828
4829 2009-10-22  Richard Sandiford  <rdsandiford@googlemail.com>
4830
4831         * simplify-rtx.c (simplify_replace_fn_rtx): Add a fallback case
4832         for rtxes that aren't handled specially.
4833
4834 2009-10-22  Richard Sandiford  <rdsandiford@googlemail.com>
4835
4836         * rtl.h (shallow_copy_rtvec): Declare.
4837         * rtl.c (shallow_copy_rtvec): New function.
4838         * cselib.c (cselib_subst_to_values): Use it.  Only modify an
4839         rtx field if the subrtx has changed.
4840
4841 2009-10-22  Anatoly Sokolov  <aesok@post.ru>
4842
4843         * config/m32c/m32c.c (m32c_function_value_regno_p): New function.
4844         (m32c_function_value): Make static, add new 'outgoing' argument.
4845         (m32c_libcall_value): Make static, add new 'fun' argument.
4846         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
4847         * config/m32c/m32c.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
4848         (FUNCTION_VALUE_REGNO_P): Redefine, use m32c_function_value_regno_p.
4849         * config/m32c/m32c-protos.h (m32c_function_value_regno_p): Declare.
4850         (m32c_function_value, m32c_libcall_value): Delete declaration.
4851
4852 2009-10-22  Diego Novillo  <dnovillo@google.com>
4853
4854         * Makefile.in (PLUGIN_HEADERS): Add output.h and IPA_UTILS_H.
4855
4856 2009-10-22  Razya Ladelsky  <razya@il.ibm.com>
4857
4858         * tree-cfg.c (gimple_duplicate_sese_tail): Fix typos/indentation/white
4859         space.
4860
4861 2009-10-22  Richard Guenther  <rguenther@suse.de>
4862
4863         * lto-streamer.h (lto_symtab_merge_cgraph_nodes): Declare.
4864         * lto-symtab.c (struct lto_symtab_entry_def): Add node member.
4865         (lto_symtab_merge): Do not merge cgraph nodes here.
4866         (lto_symtab_resolve_can_prevail_p): Simplify.
4867         (lto_symtab_resolve_symbols): Store cgraph node.
4868         (lto_symtab_merge_decls_1): Simplify.  Do not drop non-prevailing
4869         functions from the symtab.
4870         (lto_symtab_merge_cgraph_nodes_1): New function.
4871         (lto_symtab_merge_cgraph_nodes): Likewise.
4872
4873 2009-10-22  Richard Guenther  <rguenther@suse.de>
4874
4875         PR lto/41791
4876         * lto-streamer-out.c (lto_output_location): Stream the
4877         system header flag.
4878         * lto-streamer-in.c (lto_input_location): Likewise.
4879
4880 2009-10-22  Razya Ladelsky  <razya@il.ibm.com>
4881
4882         * cfgloopmanip.c (duplicate_subloops): Export.
4883         * tree-parloops.c (loop_parallel_p): Dump if loop is innermost.
4884         (transform_to_exit_first_loop): Duplicate bbs starting from
4885         header up to loop->latch instead of exit->src.
4886         Initialize control variable to the correct number of iterations.
4887         (gather_scalar_reductions): Do not register double reductions.
4888         (parallelize_loops): Dump which loop is tested.
4889         Indicate whether the parallelized loop is inner or not.
4890         Remove the innermost-loop requirement.
4891         * cfgloop.h (duplicate_subloops): Export.
4892         * tree-cfg.c (add_phi_args_after_redirect): New function.
4893         (gimple_duplicate_sese_tail): Remove the no-subloops constraint.
4894         Call duplicate_subloops.
4895         Update number of iterations at the exit condition.
4896         Don't redirect nexits always to the loop exit.
4897         Redirect copied edges from latch to the loop exit.
4898
4899 2009-10-22  Jan Hubicka  <jh@suse.cz>
4900
4901         * ipa-cp.c (ipcp_read_summary): Remove now invalid FIXME and
4902         flag_ltrans check.
4903         * ipa-inline.c (cgraph_mark_inline_edge,
4904         cgraph_decide_inlining_of_small_function,
4905         cgraph_decide_inlining, inline_read_summary): Disable indirect
4906         inlining for WPA for time being.
4907
4908         PR tree-optimize/40556
4909         * ipa-inline.c (cgraph_early_inlining): Fix iterations condition.
4910
4911 2009-10-22  Richard Guenther  <rguenther@suse.de>
4912
4913         * lto-streamer.h (lto_symtab_clear_resolution): Remove.
4914         * lto-symtab.c (lto_symtab_clear_resolution): Likewise.
4915
4916 2009-10-22  Jan Hubicka  <jh@suse.cz>
4917
4918         PR lto/41730
4919         * ipa-reference.c (has_proper_scope_for_analysis): Add fixme about
4920         global vars.
4921         (check_call): Handle only indirect calls.
4922         (propagate_bits): Update comment.
4923         (write_node_summary_p): Turn bogus check to assert.
4924         (ipa_reference_write_summary): Stream calls_read_all properly.
4925         (ipa_reference_read_summary): Stream in calls_read_all properly.
4926         (read_write_all_from_decl): New function.
4927         (propagate): Handle OVERWRITABLE nodes and external calls here.
4928         * ipa-pre-const.c (check_call): In IPA mode handle indirect
4929         calls only.
4930         (analyze_function): Do not check visibility here.
4931         (add_new_function): We summary OVERWRITABLE too.
4932         (generate_summary): Stream OVERWRITABLE nodes too.
4933         (propagate): Handle external calls and OVERWRITABLE nodes here.
4934         (local_pure_const): Check visibility here.
4935
4936 2009-10-22  Jan Hubicka  <jh@suse.cz>
4937
4938         * ipa-cp.c (ipcp_write_summary, ipcp_read_summary): New functions.
4939         (pass_ipa_cp): Register them.
4940         (ipcp_init_stage): Analyze all functions for whopr/lto.
4941         (ipcp_propagate_stage): Skip external calls.
4942         (ipcp_iterate_stage): Call ipa_update_after_lto_read if needed.
4943         * ipa-reference.c (write_node_summary_p): Fix thinko about
4944         availability.
4945         * cgraphunit.c (ipa_passes): When in lto, ne er produce new summaries;
4946         when in ltrans, skip executing of ipa passes since everything
4947         should've been done.
4948         * ipa-inline.c (cgraph_decide_inlining): Remove FIXMEs.
4949         (inline_generate_summary): Likewise.
4950         (inline_read_summary): New function.
4951         (inline_write_summary): New function.
4952         (pass_ipa_inline): Register new hooks.
4953         * ipa-prop.c: Inlcude lto-streamer.h
4954         (ipa_edge_args_vector): Update declaration.
4955         (ipa_count_arguments, ipa_compute_jump_functions,
4956         ipa_free_edge_args_substructures): Move ipa_edge_args_vector into ggc.
4957         (ipa_write_jump_function, ipa_read_jump_function, ipa_write_node_info,
4958         ipa_read_node_info): New static functions.
4959         (ipa_prop_write_jump_functions, ipa_prop_read_jump_functions): Update.
4960         (duplicate_array): Use xmalloc.
4961         (duplicate_ggc_array): New.
4962         (ipa_edge_duplication_hook): Use it.
4963         (ipa_update_after_lto_read): New function.
4964         * ipa-prop.h (ipa_prop_write_jump_functions,
4965         ipa_prop_read_jump_functions): Declare.
4966         (ipa_pass_through_data, ipa_ancestor_jf_data, ipa_member_ptr_cst,
4967         jump_func_value, ipa_member_ptr_cst, ipa_edge_args): Add GTY markers.
4968         (ipa_edge_args_vector): Move into GGC.
4969         (ipa_check_create_edge_args): Update.
4970         (ipa_update_after_lto_read): New.
4971         * passes.c (ipa_write_summaries_1): When in wpa, do not write
4972         summaries.
4973         (ipa_read_summaries): When in ltrans, so not read summaries.
4974         * lto-streamer.c (lto_get_section_name): Add
4975         LTO_section_jump_functions.
4976         * lto-streamer.h (LTO_section_jump_functions): New section.
4977         (produce_asm): Declare.
4978         * lto-cgraph.c (output_cgraph): Output edges in reverse order.
4979         * lto-streamer-out.c (produce_asm): Export.
4980         * lto-streamer-in.c: Include tree-pass.h
4981         (input_function): Free dominance info when done.
4982         (lto_read_body): Push ipa_inline in ltrans stage.
4983         * gengtype.c (open_base_files): Add ipa-prop.h into includes.
4984         * Makefile.in (GTFILES): Add ipa-prop.h
4985
4986 2009-10-22  Matthias Klose  <doko@ubuntu.com>
4987
4988         * doc/install.texi: Document --enable-browser-plugin.
4989
4990 2009-10-21  Vladimir Makarov  <vmakarov@redhat.com>
4991
4992         * doc/invoke.texi (fira-loop-pressure): Update default value.
4993         * opts.c (decode_options): Remove default value setting for
4994         flag_ira_loop_pressure.
4995         * config/ia64/ia64.c (ia64_override_options): Set
4996         flag_ira_loop_pressure up for -O3.
4997         * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
4998
4999 2009-10-21  Sebastian Pop  <sebastian.pop@amd.com>
5000
5001         PR tree-optimization/41497
5002         * tree-scalar-evolution.c (analyze_evolution_in_loop): Return
5003         chrec_dont_know if the evolution function returned by follow_ssa_edge
5004         is constant in the analyzed loop and is not compatible with the
5005         initial value before the loop.
5006         * tree-chrec.h (no_evolution_in_loop_p): Call STRIP_NOPS.
5007
5008 2009-10-21  Joseph Myers  <joseph@codesourcery.com>
5009
5010         * config/sh/sh.c (nonpic_symbol_mentioned_p): Allow UNSPEC_TPOFF.
5011
5012 2009-10-21  Jakub Jelinek  <jakub@redhat.com>
5013
5014         PR other/25507
5015         * doc/invoke.texi: Document -print-multi-os-directory.
5016
5017 2009-10-21  Jack Howarth  <howarth@bromo.med.uc.edu>
5018
5019         PR c++/41313
5020         * gcc/config/darwin10.h: Use default_emit_unwind_label.
5021         * gcc/config/darwin.c: Disable -freorder-blocks-and-partition
5022         when darwin_emit_unwind_label is used.
5023
5024 2009-10-21  Eric Botcazou  <ebotcazou@adacore.com>
5025
5026         * tree-vect-stmts.c (exist_non_indexing_operands_for_use_p): Tweak
5027         order of checks.
5028
5029 2009-10-20  Richard Henderson  <rth@redhat.com>
5030
5031         * tree-eh.c (lower_try_finally_copy): Do lower_eh_constructs_1
5032         before emit_post_landing_pad.
5033
5034 2009-10-20  Adam Nemet  <anemet@caviumnetworks.com>
5035
5036         * config/mips/mips.c (mips_binary_cost): Add new argument speed.
5037         Use when calling rtx_costs.
5038         (mips_rtx_costs): Fix formatting.  Use argument speed rather than the
5039         global optimize_size.  Pass speed to mips_binary_cost.
5040
5041 2009-10-20  Jakub Jelinek  <jakub@redhat.com>
5042
5043         * config/rs6000/rs6000.c (def_builtin): Set TREE_READONLY instead
5044         of TREE_CONSTANT.
5045
5046 2009-10-20  Richard Sandiford  <rdsandiford@googlemail.com>
5047
5048         * rtl.h (simplify_replace_fn_rtx): Declare.
5049         (wrap_constant, unwrap_constant): Delete.
5050         * cfgexpand.c (unwrap_constant, wrap_constant): Delete.
5051         (expand_debug_expr): Don't call wrap_constant.
5052         * combine.c (rtx_subst_pair): Only define for AUTO_INC_DEC.
5053         (auto_adjust_pair): Fold into...
5054         (propagate_for_debug_subst): ...here.  Only define for AUTO_INC_DEC.
5055         Just return a new value.
5056         (propagate_for_debug): Use simplify_replace_fn_rtx for AUTO_INC_DEC,
5057         otherwise use simplify_replace_rtx.
5058         * cselib.c (wrap_constant): Reinstate old definition.
5059         (cselib_expand_value_rtx_1): Don't wrap constants.
5060         * gcse.c (try_replace_reg): Don't use copy_rtx in the call to
5061         simplify_replace_rtx.
5062         (bypass_block): Fix formatting in calls to simplify_replace_rtx.
5063         * reload1.c (reload): Skip all uses for an insn before adjusting it.
5064         Use simplify_replace_rtx.
5065         * simplify-rtx.c (simplify_replace_fn_rtx): New function,
5066         adapted from...
5067         (simplify_replace_rtx): ...here.  Turn into a wrapper for
5068         simplify_replace_fn_rtx.
5069         (simplify_unary_operation): Don't unwrap CONSTs.
5070         * var-tracking.c (check_wrap_constant): Delete.
5071         (vt_expand_loc_callback): Don't call it.
5072         (vt_expand_loc): Likewise.
5073
5074 2009-10-20  Pascal Obry  <obry@adacore.com>
5075             Eric Botcazou  <ebotcazou@adacore.com>
5076
5077         * config/i386/cygming.h (DWARF_FRAME_REGNUM): Add enclosing parens.
5078
5079 2009-10-20  Michael Matz  <matz@suse.de>
5080
5081         * loop-invariant.c (create_new_invariant): Use different magic number.
5082
5083 2009-10-20  Richard Earnshaw  <rearnsha@arm.com>
5084
5085         PR target/39247
5086         * arm.c (arm_override_options): Forcibly disable hot/cold block
5087         partitioning.
5088
5089 2009-10-20  Alexandre Oliva  <aoliva@redhat.com>
5090
5091         PR debug/41739
5092         * haifa-sched.c (try_ready): Skip debug deps updating speculation
5093         status.
5094
5095 2009-10-20  Richard Guenther  <rguenther@suse.de>
5096
5097         * ggc-page.c: Include cfgloop.h.
5098         (struct max_alignment): Drop long double, add void *.
5099         (extra_order_size_table): Add low non-power-of-two multiples
5100         of MAX_ALIGNMENT.  Drop small type-based entries, add
5101         tree_type, cgraph_node and loop.
5102         * alloc-pool.c (struct allocation_object_def): Drop long double
5103         aligning element.
5104
5105 2009-10-20  Jakub Jelinek  <jakub@redhat.com>
5106
5107         PR debug/41340
5108         * loop-invariant.c (calculate_loop_reg_pressure): Don't count regs
5109         referenced just in DEBUG_INSNs.
5110
5111 2009-10-20  Richard Guenther  <rguenther@suse.de>
5112
5113         PR lto/41761
5114         * gimple.c (gimple_register_type): Make sure we register
5115         the types main variant first.
5116
5117 2009-10-20  Richard Guenther  <rguenther@suse.de>
5118
5119         * gimple.c (gimple_types_compatible_p): Simplify.  Move
5120         cheap checks before hashtable queries.  Add checks for
5121         TYPE_NONALIASED_COMPONENT and DECL_NONADDRESSABLE_P.
5122
5123 2009-10-20  Eric Botcazou  <ebotcazou@adacore.com>
5124
5125         * tree-sra.c (build_ref_for_offset_1) <RECORD_TYPE>: Skip fields
5126         without size or with size that can't be represented as a host integer.
5127
5128 2009-10-20  Alexandre Oliva  <aoliva@redhat.com>
5129
5130         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't regard
5131         the removal of a debug stmt as a significant change.
5132
5133 2009-10-20  Wolfgang Gellerich  <gellerich@de.ibm.com>
5134
5135         * config/s390/s390.md: Added agen condition to operand
5136         forwarding bypasses.  Added bypass for early address generation
5137         use of int results.  Updated comments.
5138
5139 2009-10-20  Stefan Dösinger  <stefan@codeweavers.com>
5140
5141         * config/i386/i386.c: Remove signal.h #include.
5142
5143 2009-10-20  Jie Zhang  <jie.zhang@analog.com>
5144
5145         * simplify-rtx.c (simplify_const_unary_operation): Handle SS_ABS.
5146         * doc/rtl.texi: Document ss_abs.
5147
5148 2009-10-19  Jakub Jelinek  <jakub@redhat.com>
5149
5150         * c-common.c (c_parse_error): Handle CPP_UTF8STRING.
5151         * c-lex.c (c_lex_with_flags): Likewise.  Test C_LEX_STRING_NO_JOIN
5152         instead of C_LEX_RAW_STRINGS.
5153         (lex_string): Handle CPP_UTF8STRING.
5154         * c-parser.c (c_parser_postfix_expression): Likewise.
5155         * c-pragma.h (C_LEX_RAW_STRINGS): Rename to ...
5156         (C_LEX_STRING_NO_JOIN): ... this.
5157
5158 2009-10-19  Anatoly Sokolov  <aesok@post.ru>
5159
5160         * config/cris/cris.c (cris_function_value, cris_libcall_value,
5161         cris_function_value_regno_p): New functions.
5162         (cris_promote_function_mode): Update comment.
5163         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
5164         * config/cris/cris.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
5165         (FUNCTION_VALUE_REGNO_P): Redefine, use cris_function_value_regno_p.
5166         * config/cris/cris-protos.h (cris_function_value_regno_p): Declare.
5167
5168 2009-10-19  Jakub Jelinek  <jakub@redhat.com>
5169
5170         * unwind-dw2.c (execute_stack_op): Fix operand order for
5171         DW_OP_le, DW_OP_ge, DW_OP_lt and DW_OP_gt.
5172
5173 2009-10-19  Eric Botcazou  <ebotcazou@adacore.com>
5174
5175         * gimple-low.c (struct lower_data): Add cannot_fallthru field.
5176         (lower_stmt) <GIMPLE_BIND>: Add comment.
5177         <GIMPLE_COND, GIMPLE_GOTO, GIMPLE_SWITCH>: Set cannot_fallthru to true
5178         and return.
5179         <GIMPLE_RETURN>: Remove the statement if cannot_fallthru is set.
5180         Otherwise lower it and set cannot_fallthru to true.
5181         <GIMPLE_TRY>: Update cannot_fallthru for GIMPLE_TRY_FINALLY and return.
5182         <GIMPLE_CATCH, GIMPLE_EH_FILTER>: Set cannot_fallthru to false.
5183         <GIMPLE_CALL>: Set cannot_fallthru to false for BUILT_IN_SETJMP and
5184         to true for a noreturn call.  Do not remove statements.
5185         <GIMPLE_OMP_PARALLEL, GIMPLE_OMP_TASK>: Set cannot_fallthru to false.
5186         Set cannot_fallthru to false on function exit.
5187         (gimple_stmt_may_fallthru) <GIMPLE_SWITCH>: Really return false.
5188         <GIMPLE_ASSIGN>: Remove.
5189
5190 2009-10-19  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5191
5192         * config/s390/s390.c (s390_z10_optimize_cmp): Don't touch FP compares.
5193
5194 2009-10-19  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5195
5196         * config/s390/s390.c (s390_z10_optimize_cmp): Use
5197         next/prev_active_insn to skip DEBUG_INSNs as well.
5198
5199 2009-10-19  Joseph Myers  <joseph@codesourcery.com>
5200
5201         * config/arm/arm.c (output_move_neon): Use DImode in call to
5202         adjust_address.
5203
5204 2009-10-19  Matthias Klose  <doko@ubuntu.com>
5205
5206         PR target/40134
5207         * config.gcc (arm*-*-linux-*eabi): Use config/t-slibgcc-libgcc.
5208
5209 2009-10-19  Jakub Jelinek  <jakub@redhat.com>
5210
5211         * cfgexpand.c (expand_debug_expr): Fail if bitpos < 0 for non-MEM op0.
5212
5213 2009-10-17  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
5214
5215         PR middle-end/41738
5216         * optabs.c (expand_binop): Make mode of shift count expression mode
5217         of shift count not target.
5218         Remove indent nit.
5219
5220 2009-10-17  Eric Botcazou  <ebotcazou@adacore.com>
5221
5222         * tree-nested.c (convert_nonlocal_reference_stmt) <GIMPLE_COND>: New
5223         case.  Force using values to replace references within the statement.
5224         (convert_local_reference_stmt): Likewise.
5225
5226 2009-10-17  Eric Botcazou  <ebotcazou@adacore.com>
5227
5228         * gimple-low.c (lower_stmt) <GIMPLE_CALL>: If the call is noreturn,
5229         remove a subsequent GOTO or RETURN statement.
5230
5231 2009-10-17  Andy Hutchinson  <hutchinsonandy@aim.com>
5232
5233         * config/avr.md (*movqi): Add zero as equally preferable constraint
5234         as general register.
5235         (*movhi): Ditto.
5236
5237 2009-10-17  Eric Botcazou  <ebotcazou@adacore.com>
5238
5239         * print-tree.c (print_node): Fix string for DECL_STRUCT_FUNCTION.
5240
5241 2009-10-17  Richard Guenther  <rguenther@suse.de>
5242
5243         * lto-streamer-in.c (lto_input_location): Try to reuse previous maps.
5244
5245 2009-10-17  Richard Guenther  <rguenther@suse.de>
5246
5247         * lto-streamer-in.c (input_gimple_stmt): Fixup FIELD_DECL
5248         operands in COMPONENT_REFs.
5249
5250 2009-10-17  Anatoly Sokolov  <aesok@post.ru>
5251
5252         * targhooks.c (default_libcall_value): Don't use LIBCALL_VALUE macro
5253         if not defined. Change type of second argument to const_rtx.
5254         (default_function_value): Call gcc_unreachable if FUNCTION_VALUE
5255         macro not defined.
5256         * targhooks.h (default_libcall_value): Update prototype.
5257         * target.h (struct gcc_target): Change type of second argument of
5258         libcall_value to const_rtx.
5259         * config/arm/arm.c (arm_libcall_value): Change type of second argument
5260         to const_rtx.
5261         (arm_libcall_uses_aapcs_base): Change type of argument to const_rtx.
5262         * doc/tm.texi (TARGET_LIBCALL_VALUE):  Revise documentation.
5263
5264 2009-10-17  Jakub Jelinek  <jakub@redhat.com>
5265
5266         PR debug/40521
5267         * debug.h (struct gcc_debug_hooks): Add assembly_start hook.
5268         * cgraphunit.c (cgraph_optimize): Call it.
5269         * dwarf2out.c (dwarf2out_init): Move .cfi_sections printing into...
5270         (dwarf2out_assembly_start): ... here.  New hook.
5271         (dwarf2out_debug_hooks): Add dwarf2out_assembly_start.
5272         * debug.c (do_nothing_debug_hooks): Do nothing for assembly_start
5273         hook.
5274         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
5275         * sdbout.c (sdb_debug_hooks): Likewise.
5276         * vmsdbgout.c (vmsdbg_debug_hooks): Add vmsdbgout_assembly_start.
5277         (vmsdbgout_assembly_start): New hook.
5278
5279 2009-10-17  Alexandre Oliva  <aoliva@redhat.com>
5280
5281         * rtl.h (RTL_LOCATION): Fix typo.
5282
5283 2009-10-17  Alexandre Oliva  <aoliva@redhat.com>
5284
5285         * print-rtl.c (print_rtx): Print locators in asm_operands
5286         and asm_input.
5287
5288 2009-10-17  Alexandre Oliva  <aoliva@redhat.com>
5289
5290         PR debug/41535
5291         * sched-deps.c (depl_on_debug_p): New.
5292         (attach_dep_link): Reject debug deps before nondebug deps.
5293         (add_to_deps_list): Insert debug deps after nondebug deps.
5294         (sd_lists_empty_p): Stop at first nonempty list.  Disregard debug
5295         deps.
5296         (sd_add_dep): Do not reject debug deps.
5297         (add_insn_mem_dependence): Don't count debug deps.
5298         (remove_from_deps): Likewise.
5299         (sched_analyze_2): Set up mem deps on debug insns.
5300         (sched_analyze_insn): Record reg uses for deps on debug insns.
5301         * haifa-sched.c (schedule_insn): Reset deferred debug insn.  Don't
5302         try_ready nondebug insn after debug insn.
5303         * ddg.c (create_ddg_dep_from_intra_loop_link,
5304         create_ddg_dep_no_link): Don't reject debug deps.
5305
5306 2009-10-16  Richard Guenther  <rguenther@suse.de>
5307
5308         * lto-symtab.c (merge_incomplete_and_complete_type): Remove.
5309         (maybe_merge_incomplete_and_complete_type): Likewise.
5310         (lto_symtab_merge): Do not call them.  Do not warn for
5311         complete vs. incomplete compatible types.
5312         (lto_symtab_merge_decls_2): Simplify.
5313         * gimple.c (gimple_force_type_merge): Remove.
5314         (gimple_types_compatible_p): Make it static.
5315         * gimple.h (gimple_force_type_merge): Remove.
5316         (gimple_types_compatible_p): Likewise.
5317
5318 2009-10-16  Jakub Jelinek  <jakub@redhat.com>
5319
5320         * dwarf2out.c (mem_loc_descriptor) <case ZERO_EXTRACT>: Cast
5321         DWARF2_ADDR_SIZE to int to avoid signed vs. unsigned warnings.
5322
5323 2009-10-16  Richard Guenther  <rguenther@suse.de>
5324
5325         PR tree-optimization/41728
5326         * tree-ssa-dom.c (optimize_stmt): Mark the stmt modified
5327         if fold_stmt did anything.
5328
5329 2009-10-16  Richard Guenther  <rguenther@suse.de>
5330
5331         PR lto/41715
5332         * lto-streamer-in.c (lto_input_tree_ref): Revert last change.
5333         (maybe_fixup_handled_component): New function.
5334         (input_gimple_stmt): Fixup mismatched decl replacements.
5335
5336 2009-10-16  Richard Guenther  <rguenther@suse.de>
5337
5338         PR lto/41713
5339         * lto-streamer-out.c (lto_output_tree_ref): Handle DEBUG_EXPR_DECL
5340         the same as VAR_DECL.
5341
5342 2009-10-16  Richard Guenther  <rguenther@suse.de>
5343
5344         * gimple.c (iterative_hash_gimple_type): For integer types
5345         also hash their minimum and maximum values and the string flag.
5346         For array types hash their domain and the string flag.
5347
5348 2009-10-16  Richard Guenther  <rguenther@suse.de>
5349
5350         * gimple.c (gimple_types_compatible_p): Restrict completing
5351         types to record or unions.  Simplify completion.
5352         Do not merge records or unions with different
5353         TYPE_STRUCTURAL_EQUALITY_P tag.
5354         (iterative_hash_gimple_type): Restrict non-recursing into
5355         pointer targets for records and unions.
5356
5357 2009-10-15  Jakub Jelinek  <jakub@redhat.com>
5358
5359         PR debug/41717
5360         * cfgexpand.c (expand_debug_expr): Handle CONJ_EXPR.
5361         * dwarf2out.c (mem_loc_descriptor): Don't handle
5362         POST_INT/POST_DEC/POST_MODIFY like SUBREG.  For SUBREG
5363         punt if it is not lowpart subreg or if inner mode isn't
5364         MODE_INT.
5365
5366 2009-10-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5367
5368         * config/s390/s390.c (s390_z10_optimize_cmp): Skip notes when
5369         investigating previous or next insns.
5370
5371 2009-10-16  Eric Botcazou  <ebotcazou@adacore.com>
5372
5373         * tree-sra.c (build_ref_for_offset_1): Update comment.
5374
5375 2009-10-16  Wolfgang Gellerich  <gellerich@de.ibm.com>
5376
5377         * config/s390/s390.md (atype): Added missing values.
5378
5379 2009-10-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5380
5381         PR target/41702
5382         * pa.md (casesi): Use sign extended index in call to gen_casesi64p.
5383         (casesi64p): Update pattern to reflect above.
5384
5385 2009-10-15  Steve Ellcey  <sje@cup.hp.com>
5386
5387         PR rtl-optimization/41697
5388         * sel-sched-ir.h (_eligible_successor_edge_p): Check successor count.
5389
5390 2009-10-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
5391
5392         PR target/23983
5393         * config/rs6000/predicates.md: Update copyright year.
5394         * config/rs6000/altivec.md: Ditto.
5395
5396         * config/rs6000/t-rs6000 (TM_H): Add rs6000-builtin.def.
5397         (MD_INCLUDES): Add a2.md.
5398
5399         * config/rs6000/rs6000.c (rs6000_builtin_decls): Change
5400         RS6000_BUILTIN_COUNT to MAX_RS6000_BUILTINS.
5401         (builtin_classify): New static vector to classify various builtins
5402         to get the tree attributes correct.
5403         (def_builtin): Set the attributes of builtins based on what the
5404         builtin does (i.e. memory operation, floating point, saturation
5405         need special attributes, others are pure functions).
5406
5407         * config/rs6000/rs6000.h (enum rs6000_btc): New enum to classify
5408         the builtins.
5409         (enum rs6000_builtins): Include rs6000-builtin.def to define the
5410         builtins.  Change the end marker to MAX_RS6000_BUILTINS from
5411         RS6000_BUILTIN_COUNT.
5412         (rs6000_builtin_decls): Change RS6000_BUILTIN_COUNT to
5413         MAX_RS6000_BUILTINS.
5414
5415         * config/rs6000/rs6000-builtin.def: New file that combines the
5416         builtin enumeration name and attributes.
5417
5418 2009-10-15  H.J. Lu  <hongjiu.lu@intel.com>
5419
5420         * config/i386/linux.h (ASM_SPEC): Add --32.
5421
5422 2009-10-15  Jakub Jelinek  <jakub@redhat.com>
5423
5424         * dwarf2out.c (dwarf_tag_name): Handle DW_TAG_rvalue_reference_type
5425         and DW_TAG_template_alias.
5426         (dwarf_attr_name): Handle DW_AT_main_subprogram,
5427         DW_AT_data_bit_offset, DW_AT_const_expr, DW_AT_enum_class,
5428         DW_AT_linkage_name, DW_AT_GNU_guarded_by, DW_AT_GNU_pt_guarded_by,
5429         DW_AT_GNU_guarded, DW_AT_GNU_pt_guarded, DW_AT_GNU_locks_excluded,
5430         DW_AT_GNU_exclusive_locks_required, DW_AT_GNU_shared_locks_required
5431         and DW_AT_GNU_odr_signature.
5432         (dwarf_form_name): Handle DW_FORM_sec_offset, DW_FORM_exprloc,
5433         DW_FORM_flag_present and DW_FORM_ref_sig8.
5434         (output_signature): Only print name on the first byte.
5435         (output_die): Likewise for dw_val_class_data8.
5436
5437 2009-10-15  Alexander Monakov  <amonakov@ispras.ru>
5438
5439         * doc/invoke.texi: Clarify that most optimizations are not enabled
5440         without -O.
5441
5442 2009-10-15  Richard Guenther  <rguenther@suse.de>
5443
5444         PR lto/41668
5445         * gimple.c (compare_type_names_p): Handle anonymous names
5446         differently based on new mode argument.
5447         (gimple_types_compatible_p): For structs also compare the tags.
5448         (iterative_hash_type_name): Rename to ...
5449         (iterative_hash_name): ... this.  Hash all names.
5450         (iterative_hash_gimple_type): Fix hashing the struct tag of
5451         pointer targets.  Hash field decl names.
5452
5453 2009-10-15  Richard Guenther  <rguenther@suse.de>
5454
5455         PR lto/41669
5456         * gimple.c (gimple_get_alias_set): Avoid recursing on
5457         invalid type topology.
5458
5459 2009-10-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5460
5461         * config/spu/spu.c (get_branch_target): Use extract_asm_operands.
5462
5463 2009-10-15  Richard Guenther  <rguenther@suse.de>
5464
5465         * tree.c (free_lang_data_in_decl): Free DECL_FCONTEXT.
5466
5467 2009-10-15  Jakub Jelinek  <jakub@redhat.com>
5468
5469         * config/rs6000/option-defaults.h (OPTION_DEFAULT_SPECS): Don't
5470         add --with-tune{,-32,-64} configured default for -mtune if explicit
5471         -mcpu is used.
5472
5473 2009-10-14  Daniel Gutson  <dgutson@codesourcery.com>
5474
5475         * config/arm/neon.md (neon_vshll_n<mode>): Checking Bounds fixed.
5476
5477 2009-10-14  DJ Delorie  <dj@redhat.com>
5478
5479         * config/h8300/h8300.c (F): New.
5480         (Fpa): New.
5481         (h8300_emit_stack_adjustment): Call them.
5482         (push): Likewise.
5483         (h8300_push_pop): Likewise.
5484         (h8300_expand_prologue): Likewise.
5485         * config/h8300/h8300.h (DWARF2_DEBUGGING_INFO): Define.
5486         (MUST_USE_SJLJ_EXCEPTIONS): Define.
5487         (INCOMING_RETURN_ADDR_RTX): Define.
5488         (INCOMING_FRAME_SP_OFFSET): Define.
5489         (DWARF_CIE_DATA_ALIGNMENT): Define.
5490
5491 2009-10-14  Jakub Jelinek  <jakub@redhat.com>
5492
5493         * stor-layout.c (place_field): Don't emit -Wpadded warnings for
5494         fields in builtin structs.
5495         (finalize_record_size): Likewise.
5496
5497 2009-10-14  Richard Guenther  <rguenther@suse.de>
5498
5499         * gimple.c (gtc_ob): New global.
5500         (struct type_pair_d): Replace pointers with type UIDs.
5501         (type_pair_hash): Adjust.
5502         (type_pair_eq): Likewise.
5503         (lookup_type_pair): Likewise.  Allocate from an obstack.
5504         (gimple_force_type_merge): Adjust.
5505         (gimple_types_compatible_p): Likewise.
5506         (free_gimple_type_tables): Free the obstack.
5507
5508 2009-10-14  Jakub Jelinek  <jakub@redhat.com>
5509
5510         * tree-parloops.c (separate_decls_in_region_debug_bind): Drop debug
5511         stmts setting DEBUG_EXPR_DECLs.
5512
5513         * cfgexpand.c (expand_debug_expr): Ignore zero-length bitfields.
5514         Don't crash if mode1 is VOIDmode.
5515
5516 2009-09-26  Vladimir Makarov  <vmakarov@redhat.com>
5517
5518         * params.def (PARAM_IRA_LOOP_RESERVED_REGS): New.
5519         * params.h (IRA_LOOP_RESERVED_REGS): New.
5520         * tree-pass.h (pass_subregs_of_mode_init,
5521         pass_subregs_of_mode_finish): Remove.
5522         * passes.c (pass_subregs_of_mode_init,
5523         pass_subregs_of_mode_finish): Remove.
5524         (pass_reginfo_init): Move before loop optimizations.
5525         * config/i386/i386.h (STACK_REG_COVER_CLASS): Define.
5526         * common.opt (fira-loop-pressure): New.
5527         * toplev.h (flag_ira_loop_pressure): New.
5528         * rtl.h (init_subregs_of_mode, finish_subregs_of_mode): New externals.
5529         * reginfo.c (init_subregs_of_mode, finish_subregs_of_mode):
5530         Make external and void type functions.
5531         (gate_subregs_of_mode_init, pass_subregs_of_mode_init,
5532         pass_subregs_of_mode_finish): Remove.
5533         * ira-costs.c (init_costs): Call init_subregs_of_mode.
5534         * regmove.c: Include ira.h.
5535         (regmove_optimize): Call ira_set_pseudo_classes after IRA based
5536         register pressure calculation in loops.
5537         * loop-invariant.c: Include REGS_H and ira.h.
5538         (struct loop_data): New members max_reg_pressure, regs_ref, and
5539         regs_live.
5540         (struct invariant): New member orig_regno.
5541         (curr_loop): New variable.
5542         (find_exits): Initialize regs_ref and regs_live.
5543         (create_new_invariant): Initialize orig_regno.
5544         (get_cover_class_and_nregs): New.
5545         (get_inv_cost): Make aregs_needed an array.  Use regs_needed as an
5546         array.  Add code for flag_ira_loop_pressure.
5547         (gain_for_invariant): Make new_regs an array.  Add code for
5548         flag_ira_loop_pressure.
5549         (best_gain_for_invariant): Ditto.
5550         (set_move_mark): New parameter gain.  Use it for debugging output.
5551         (find_invariants_to_move): Make regs_needed and new_regs an array.
5552         Add code for flag_ira_loop_pressure.
5553         (move_invariant_reg): Set up orig_regno.
5554         (move_invariants): Set up reg classes for pseudos for
5555         flag_ira_loop_pressure.
5556         (free_loop_data): Clear regs_ref and regs_live.
5557         (curr_regs_live, curr_reg_pressure, regs_set, n_regs_set,
5558         get_regno_cover_class, change_pressure, mark_regno_live,
5559         mark_regno_death, mark_reg_store, mark_reg_clobber,
5560         mark_reg_death, mark_ref_regs, calculate_loop_reg_pressure): New.
5561         (move_loop_invariants): Calculate pressure.  Initialize curr_loop.
5562         * ira.c (ira): Call ira_set_pseudo_classes after IRA based
5563         register pressure calculation in loops if new regs were added.
5564         Call finish_subregs_of_mode.
5565         * opts.c (decode_options): Set up flag_ira_loop_pressure.
5566         * Makefile.in (loop-invariant.o): Add ira.h.
5567         (regmove.o): Ditto.
5568         * doc/invoke.texi (-fira-loop-pressure, ira-loop-reserved-regs):
5569         Describe.
5570         * doc/tm.texi (STACK_REG_COVER_CLASS): Describe.
5571
5572 2009-10-14  Richard Guenther  <rguenther@suse.de>
5573
5574         * lto-symtab.c (lto_symtab_compatible): Fold in ...
5575         (lto_symtab_merge): ... here.  Rewrite both to take the
5576         prevailing and a to-be-merged entry and to queue diagnostics properly.
5577         (lto_symtab_resolve_replaceable_p): New predicate for
5578         symbol resolution.
5579         (lto_symtab_resolve_can_prevail_p): Likewise.
5580         (lto_symtab_resolve_symbols): Rewrite.  Fold in code that
5581         handles merging commons by choosing the largest decl.  Fold
5582         in code that gives ODR errors.
5583         (lto_symtab_merge_decls_2): Simplify a lot.  Emit queued
5584         diagnostics here.
5585         (lto_symtab_merge_decls_1): Re-structure.  Deal with the
5586         case of no prevailing decl here.  Diagnose mismatches
5587         in object types here.  Drop all but the prevailing decls.
5588         (lto_symtab_prevailing_decl): Return the single prevailing decl.
5589         * lto-streamer-in.c (lto_input_tree_ref): Deal with
5590         VIEW_CONVERT_EXPRs in decl slots.  Unshare the tree in this case.
5591
5592 2009-10-14  Richard Guenther  <rguenther@suse.de>
5593
5594         PR lto/41521
5595         * lto-streamer-in.c (input_bb): Replace debug stmts with
5596         nops instead of dropping them.
5597
5598 2009-10-14  Nick Clifton  <nickc@redhat.com>
5599
5600         * gcc/doc/extended.texi: Replace the dash character with @minus{}
5601         in situations where it is being used as a minus symbol.
5602         * gcc/doc/tm.texi: Likewise.
5603         * gcc/doc/md.texi: Likewise.
5604
5605 2009-10-14  Jakub Jelinek  <jakub@redhat.com>
5606
5607         PR preprocessor/41543
5608         * input.h (BUILTINS_LOCATION): Change to 1 from 2.
5609         Assert BUILTINS_LOCATION < RESERVED_LOCATION_COUNT.
5610         * tree.c: Include intl.h.
5611         (expand_location): Handle BUILTINS_LOCATION.
5612         * Makefile.in (tree.o): Depend on intl.h.
5613
5614         PR debug/41695
5615         * dwarf2out.c (dwarf2out_var_location): Always clear
5616         last_postcall_label when changing last_label.
5617
5618 2009-10-14  Pascal Obry  <obry@adacore.com>
5619
5620         * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Add -E.
5621         (process_command): Handle -E as done with -c and -S.  Do not add
5622         the target executable suffix to the output file when -E is used.
5623         (main): Adjust error message accordingly.
5624
5625 2009-10-14  Alexandre Oliva  <aoliva@redhat.com>
5626
5627         PR debug/41343
5628         PR debug/41447
5629         PR debug/41264
5630         PR debug/41338
5631         * tree.c (tree_node_structure_for_code): DEBUG_EXPR_DECL uses
5632         decl with rtl.
5633         (tree_code_size): Likewise.
5634
5635 2009-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5636
5637         * builtins.c (fold_builtin_1): Support complex "arc" functions.
5638         * real.h (HAVE_mpc_arc): Define.
5639
5640 2009-10-14  Kaz Kojima  <kkojima@gcc.gnu.org>
5641
5642         * config/sh/sh.c (TARGET_BUILTIN_DECL): Define.
5643         (struct builtin_description): Add fndecl field.
5644         (bdesc): Remove const qualifier.  Update initializer.
5645         (sh_media_init_builtins): Remove const qualifier for d.  Record
5646         the result of add_builtin_function to the fndecl field.
5647         (sh_builtin_decl): New.
5648         (sh_media_builtin_decl): New.
5649
5650 2009-10-14  Hans-Peter Nilsson  <hp@axis.com>
5651
5652         PR target/38948
5653         * config/cris/cris.h (SECONDARY_RELOAD_CLASS): Handle reload
5654         requests between special registers.
5655
5656 2009-10-13  Eric Botcazou  <ebotcazou@adacore.com>
5657
5658         * dwarf2out.c (mem_loc_descriptor): Accept UNGT as well.
5659
5660 2009-10-13  Richard Henderson  <rth@redhat.com>
5661
5662         PR tree-optimization/41377
5663         * tree-eh.c (unsplit_eh): Propagate degenerate PHIs.
5664         (cleanup_empty_eh_merge_phis): New change_region parameter;
5665         pass it on to redirect_eh_edge_1.  Update callers.
5666         (cleanup_empty_eh_unsplit): Don't require an existing EH label
5667         at the destination block.
5668
5669 2009-10-13  Basile Starynkevitch  <basile@starynkevitch.net>
5670
5671         * passes.c (register_pass): Replaced gcc_unreachable by
5672         fatal_error on failure. Mentions plugins in comments & messages.
5673
5674 2009-10-13  Jakub Jelinek  <jakub@redhat.com>
5675
5676         PR target/41693
5677         * rtl.h (DEBUG_EXPR_TREE_DECL): Define.
5678         * sched-vis.c (print_value): Use it.
5679         * cselib.c (cselib_hash_rtx): Likewise.
5680         * print-rtl.c (print_rtx): Likewise.
5681         * cfgexpand.c (expand_debug_rtx): Likewise.
5682         * var-tracking.c (vt_expand_loc_callback): Likewise.
5683
5684 2009-10-13  Richard Guenther  <rguenther@suse.de>
5685
5686         PR lto/41565
5687         * opts.c (handle_option): Split out code to handle setting
5688         the options flag var ...
5689         (set_option): ... here.
5690         * opts.h (set_option): Declare.
5691         * lto-opts.c (register_user_option_p): Include -fexceptions
5692         and all position independent code variants.
5693         (handle_common_option): Remove.
5694         (lto_reissue_options): Use set_option.
5695
5696 2009-10-13  Martin Jambor  <mjambor@suse.cz>
5697
5698         PR tree-optimization/41661
5699         * ipa-prop.c (compute_complex_pass_through): Allow only operations
5700         that are tcc_comparisons or do not change the type in any
5701         un-usleless way.
5702         * ipa-cp.c (ipcp_lattice_from_jfunc): Request boolean type when
5703         folding tcc_comparison operations.
5704
5705 2009-10-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5706
5707         * config/s390/s390.c (s390_encode_section_info): Handle BLKmode
5708         properly.
5709
5710 2009-10-12  Alexandre Oliva  <aoliva@redhat.com>
5711
5712         PR debug/41343
5713         PR debug/41447
5714         PR debug/41264
5715         PR debug/41338
5716         * tree.def (DEBUG_EXPR_DECL): New.
5717         * rtl.def (DEBUG_EXPR): New.
5718         * gengtype.c (adjust_field_rtx_def): Handle it.
5719         * tree-ssa.c (propagate_var_def_into_debug_stmts): Rename to...
5720         (insert_debug_temp_for_var_def): ... this.  Drop support for
5721         moving.  Take iterator for def stmt; insert debug stmt before it.
5722         Scan early for use count and kind in debug stmts.
5723         (propagate_defs_into_debug_stmts): Rename to...
5724         (insert_debug_temps_for_defs): ... this.  Likewise.
5725         * tree.h (DEBUG_TEMP_UID): New.
5726         * tree.c (next_debug_decl_uid): New.
5727         (make_node_stat): Count debug decls separately.
5728         (copy_node_stat): Likewise.
5729         * cfgexpand.c (expand_debug_expr): Handle DEBUG_EXPR_DECL.
5730         * var-tracking.c (dv_is_decl_p): Recognize it.
5731         (VALUE_RECURSED_INTO): Apply to DEBUG_EXPRs too.
5732         (track_expr_p): Track expanded DEBUG_EXPR_DECLs.
5733         (vt_expand_loc_callback): Expand DEBUG_EXPRs.
5734         (emit_note_insn_var_location): Don't emit notes for DEBUG_EXPR_DECLs.
5735         * cselib.c (rtx_equal_for_cselib_p): Handle DEBUG_EXPR.
5736         (cselib_hash_rtx): Likewise.
5737         (cselib_expand_value_rtx_1): Use callback for DEBUG_EXPR.
5738         * tree-ssa-operands.c (get_expr_operands): Skip DEBUG_EXPR_DECLs in
5739         debug bind stmts.
5740         * emit-rtl.c (verify_rtx_sharing): Handle DEBUG_EXPR and VALUE.
5741         (copy_rtx_if_shared_1, reset_used_flags, set_used_flags): Likewise.
5742         * rtl.c (copy_rtx): Likewise.
5743         (rtx_equal_p_cb, rtx_equal_p): Handle DEBUG_EXPR.
5744         * print-rtl.c (print_rtx): Likewise.
5745         * sched-vis.c (print_value): Likewise.
5746         (print_insn): Handle DEBUG_EXPR_DECL.
5747         * tree-dump.c (dequeue_and_dump): Likewise.
5748         * tree-pretty-print.c (dump_decl_name, dump_generic_node): Likewise.
5749         * gimple-iterator (gsi_replace): Check for same lhs.
5750         (gsi_remove): Insert debug temps.
5751         * tree-ssa-loop-im.c (rewrite_reciprocal): Replace with same lhs.
5752         (move_computations_stmt): Drop explicit propagation into debug stmts.
5753         (rewrite_bittest): Likewise.  Use gsi_remove for propagation.
5754         * tree-ssa-reassoc.c (rewrite_expr_tree, linearize_expr): Likewise.
5755         * tree-ssa-sink.c (statement_sink_location): Likewise.
5756         * tree-ssa-forwprop (forward_propagate_addr_expr): Likewise.
5757         * tree-ssanames.c (release_ssa_name): Adjust for rename.
5758         * tree-flow.h: Likewise.
5759         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Don't mark
5760         debug temps without values.
5761         (eliminate_unnecessary_stmts): Don't discard just-inserted
5762         debug stmts.
5763
5764 2009-10-12  Hans-Peter Nilsson  <hp@axis.com>
5765
5766         PR target/26515
5767         * config/cris/cris.md (andu): Check that operand 1 is one of the
5768         general registers.  Fix typo in head comment.
5769
5770 2009-10-12  Stefan Dösinger  <stefan@codeweavers.com>
5771
5772         * config/i386/i386.md (vswapmov): New.
5773         * config/i386/i386.c (ix86_handle_fndecl_attribute): New.
5774         (ix86_function_ms_hook_prologue): New.
5775         (ix86_expand_prologue): Handle ms_hook_prologue attribute.
5776         * configure.ac: Test for swap suffix support in as.
5777         * configure: Rebuild.
5778
5779 2009-10-12  Jakub Jelinek  <jakub@redhat.com>
5780
5781         PR target/41680
5782         * config/i386/i386.md (split after *testqi_ext_3_rex64): Only narrow
5783         paradoxical subregs to prevent partial register stalls if the inner
5784         mode is integer mode.
5785
5786 2009-10-12  Uros Bizjak  <ubizjak@gmail.com>
5787
5788         * config/i386/i386.md (*setcc_<mode>_2): Remove insn pattern.
5789
5790 2009-10-12  Dodji Seketeli  <dodji@redhat.com>
5791
5792         PR c++/41570
5793         * gcc/dwarf2out.c (template_parameter_pack_die,
5794         gen_formal_parameter_pack_die): Use add_name_and_src_coords_attributes.
5795
5796 2009-10-12  Alexandre Oliva  <aoliva@redhat.com>
5797
5798         PR debug/41616
5799         * tree-into-ssa.c (insert_phi_nodes_for): Build debug bind stmts
5800         on updates too.
5801         (maybe_register_def): Likewise.  Take stmt iterator.
5802         (rewrite_update_stmt): Take stmt iterator and pass it on.
5803         (rewrite_update_enter_block): Pass stmt iterator.
5804
5805 2009-10-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5806
5807         * config/spu/spu.c (TARGET_BUILTIN_DECL): Define.
5808         (spu_builtin_decl): New function.
5809
5810 2009-10-12  Uros Bizjak  <ubizjak@gmail.com>
5811
5812         * config/i386/i386.md (SWIM): New mode iterator.
5813         (mov<mode>cc): Macroize expander from mov{qi,hi,si,di}cc patterns
5814         using SWIM mode iterator.
5815         (x86_mov<mode>cc_0_m1): Macroize insn from x86_mov{si,di}cc_0_m1
5816         patterns using SWI48 mode iterator.
5817         (*x86_mov<mode>cc_0_m1_se):  Macroize insn from
5818         *x86_mov{si,di}cc_0_m1_se patterns using SWI48 mode iterator.
5819         (*x86_mov<mode>cc_0_m1_neg): New insn pattern.
5820         (*mov<mode>cc_noc): Macroize insn from *mov{hi,si,di}cc_noc
5821         patterns using SWI248 mode iterator.
5822         * config/i386/i386.c (ix86_expand_int_movcc): Update the call to
5823         gen_x86_movdicc_0_m1_rex64 for renamed function
5824
5825 2009-10-11  Jose Ruiz  <ruiz@adacore.com>
5826             Eric Botcazou  <ebotcazou@adacore.com>
5827
5828         PR target/33743
5829         * config/sparc/sol2.h (MD_UNWIND_SUPPORT): Define.
5830         * config/sparc/sol2-unwind.h: New file.
5831
5832 2009-10-11  Olivier Hainque  <hainque@adacore.com>
5833             Eric Botcazou  <ebotcazou@adacore.com>
5834
5835         PR target/33743
5836         * config/i386/sol2.h (MD_UNWIND_SUPPORT): Define.
5837         * config/i386/sol2-unwind.h: New file.
5838
5839 2009-10-11  H.J. Lu  <hongjiu.lu@intel.com>
5840
5841         PR target/41665
5842         * config/i386/i386.md (addsi_1_zext): Get the proper second
5843         operand for lea.
5844
5845 2009-10-11  Richard Sandiford  <rdsandiford@googlemail.com>
5846
5847         * simplify-rtx.c (simplify_replace_rtx): Use rtx_equal_p for
5848         all OLD_RTXes, not just REGs.  Use copy_rtx to create the
5849         replacement value.
5850
5851 2009-10-11  Richard Guenther  <rguenther@suse.de>
5852
5853         * gimple.c (iterative_hash_type_name): Do not handle special
5854         anonymous names.
5855
5856 2009-10-11  Uros Bizjak  <ubizjak@gmail.com>
5857
5858         * config/i386/i386.md (*setcc_di_1): New insn_and_split pattern.
5859         (*setcc_si_1_and): Ditto.
5860         (*setcc_si_1_movzbl): Ditto.
5861         (*setcc_<mode>_2): Ditto.
5862         (*setcc_qi): Rename from *setcc_1.
5863         (*setcc_qi_slp): Rename from *setcc_2.
5864
5865         (*zero_extendqihi2_movzbw_and splitter): Use ix86_expand_clear.
5866         (*zero_extendqisi2_movzbw_and splitter): Ditto.
5867
5868         * config/i386/i386.c (ix86_expand_clear): Remove reload_completed from
5869         "if" condition, there is already assert with reload_completed present.
5870
5871 2009-10-11  Gerald Pfeifer  <gerald@pfeifer.com>
5872
5873         * plugin.c (try_init_one_plugin): Improve constness of variable err.
5874
5875 2009-10-10  Gerald Pfeifer  <gerald@pfeifer.com>
5876
5877         * doc/install.texi (Final install): Refer to
5878         http://gcc.gnu.org/bugs/ for bug reporting.
5879
5880 2009-10-10  Peter Bergner  <bergner@vnet.ibm.com>
5881
5882         * configure.ac: Add test for dci instruction.
5883         * configure: Regenerate.
5884         * config.in: Likewise.
5885         * config.gcc: Handle --with-cpu=476 and --with-cpu=476fp.
5886         * doc/invoke.texi: Add cpu_type 476 and 476fp.
5887         (-mmulhw): Add 476 to description.
5888         (-mdlmzb): Likewise.
5889         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=476.
5890         * config/rs6000/rs6000.c (processor_costs): Add ppc476_cost.
5891         (processor_target_table): Add 476 and 476fp entries.
5892         (rs6000_override_options): Use ppc476_cost for PROCESSOR_PPC476.
5893         (rs6000_issue_rate): Add CPU_PPC476.
5894         * config/rs6000/rs6000.h (ASM_CPU_476_SPEC): Define.
5895         (ASM_CPU_SPEC): Pass %(asm_cpu_476) for -mcpu=476 and -mcpu=476fp.
5896         (processor_type): Add PROCESSOR_PPC476.
5897         (EXTRA_SPECS): Add asm_cpu_476 string.
5898         * config/rs6000/rs6000.md (define_attr "type"): Add isel attribute.
5899         (define_attr "cpu"): Add ppc476.
5900         Include 476.md.
5901         Update comments for 476.
5902         (isel_signed, isel_unsigned): Change to use "isel" type attribute.
5903         * config/rs6000/vxworks.h (CPP_SPEC): Handle 464 and 476.
5904         Update copyright year.
5905         * config/rs6000/476.md: New file.
5906         * config/rs6000/40x.md: Add description for "isel" attribute.
5907         Update copyright year.
5908         * config/rs6000/440.md: Likewise.
5909         * config/rs6000/603.md: Likewise.
5910         * config/rs6000/6xx.md: Likewise.
5911         * config/rs6000/7450.md: Likewise.
5912         * config/rs6000/7xx.md: Likewise.
5913         * config/rs6000/8540.md: Likewise.
5914         * config/rs6000/cell.md: Likewise.
5915         * config/rs6000/e300c2c3.md: Likewise.
5916         * config/rs6000/e500mc.md: Likewise.
5917         * config/rs6000/mpc.md: Likewise.
5918         * config/rs6000/power4.md: Likewise.
5919         * config/rs6000/power5.md: Likewise.
5920         * config/rs6000/power6.md: Likewise.
5921         * config/rs6000/power7.md: Likewise.
5922         * config/rs6000/rios1.md: Likewise.
5923         * config/rs6000/rios2.md: Likewise.
5924         * config/rs6000/rs64.md: Likewise.
5925
5926 2009-10-10  Richard Guenther  <rguenther@suse.de>
5927
5928         PR tree-optimization/41654
5929         * tree-ssa-ifcombine.c (ifcombine_ifandif): Properly canonicalize
5930         a cond expr before calling gimple_cond_set_condition_from_tree.
5931         (ifcombine_iforif): Likewise.
5932
5933 2009-10-09  Ian Lance Taylor  <iant@google.com>
5934
5935         * configure.ac: Use AC_SEARCH_LIBS to find dlopen.
5936         * configure: Rebuild.
5937
5938 2009-10-09  Neil Vachharajani <nvachhar@google.com>
5939
5940         * doc/cpp.texi (Other Directives): Do not list #ident and #sccs as
5941         deprecated.
5942
5943 2009-10-09  Richard Guenther  <rguenther@suse.de>
5944
5945         PR lto/41638
5946         * target-def.h (TARGET_BUILTIN_DECL): Define.
5947         (TARGET_INITIALIZER): Add TARGET_BUILTIN_DECL.
5948         * target.h (struct gcc_target): Add builtin_decl target hook.
5949         * doc/tm.texi (TARGET_BUILTIN_DECL): Document.
5950         * lto-streamer-in.c (lto_get_builtin_tree): Fix handling of
5951         target builtins.
5952         * lto-streamer-out.c (lto_output_tree_pointers): Use sorry,
5953         not gcc_unreachable.
5954         (lto_output_builtin_tree): Sorry if the target does not support
5955         streaming target builtins.
5956         * config/rs6000/rs6000.c (TARGET_BUILTIN_DECL): Define.
5957         (rs6000_builtin_decl): New function.
5958         * config/i386/i386.c (TARGET_BUILTIN_DECL): Define.
5959         (ix86_builtin_decl): New function.
5960
5961 2009-10-09  Jakub Jelinek  <jakub@redhat.com>
5962
5963         PR preprocessor/41445
5964         * c-ppoutput.c (do_line_change): New function.
5965         (cb_line_change): Use it.
5966         (scan_translation_unit): Call do_line_change if
5967         avoid_paste or PREV_WHITE and token location is on a different line
5968         than print.src_line.
5969
5970         PR debug/40521
5971         * dwarf2out.c (dwarf2out_init): Test whether
5972         HAVE_GAS_CFI_SECTIONS_DIRECTIVE is non-zero instead of checking
5973         it is defined.
5974
5975         PR rtl-optimization/41646
5976         * calls.c (expand_call): For BLKmode types returned in registers
5977         avoid likely spilled hard regs in copy_blkmode_from_reg generated
5978         insns.
5979
5980 2009-10-09  Richard Guenther  <rguenther@suse.de>
5981
5982         PR tree-optimization/41634
5983         * tree-ssa-dom.c (remove_local_expressions_from_table): Assert
5984         we remove the correct elements.
5985         (optimize_stmt): Make sure to update stmt operands before
5986         optimizing redundancies.
5987
5988 2009-10-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5989
5990         * config/s390/s390.md ("prefetch"): Remove stcmh for prefetching.
5991
5992 2009-10-09  Richard Guenther  <rguenther@suse.de>
5993
5994         PR driver/41637
5995         * lto-wrapper.c (ltrans_output_file, flto_out, args_name): New
5996         globals.
5997         (lto_wrapper_exit): New function.
5998         (fatal): Use it.
5999         (fatal_perror): Likewise.
6000         (fork_execute): Use global args_name, do not free it.
6001         (run_gcc): Use global ltrans_output_file, flto_out, do not free them.
6002         * lto-streamer.h: Remove duplicate prototypes.
6003
6004 2009-10-09  Richard Guenther  <rguenther@suse.de>
6005
6006         * cgraph.c (cgraph_create_edge): Check for NULL call_stmt
6007         before calling stmt_can_throw_external.
6008
6009 2009-10-09  Eric Botcazou  <ebotcazou@adacore.com>
6010
6011         PR tree-optimization/40071
6012         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Build a ref-all
6013         pointer if the original data reference doesn't conflict with the
6014         created vector data reference.  Fix long line.
6015
6016 2009-10-09  Uros Bizjak  <ubizjak@gmail.com>
6017
6018         * config/i386/i386.md (any_div): New code iterator.
6019         (u): Handle div and udiv.
6020         (sgnprefix): Ditto.
6021         (<u>divqi3): Macroize insn from {,u}divqi3  using any_div
6022         code iterator.
6023         (lfloor<MODEF:mode><SWI48:mode>2): Macroize insn from
6024         lfloor<mode>{si,di}2 patterns using SWI48 mode iterator.
6025         (lceil<MODEF:mode><SWI48:mode>2): Macroize insn from
6026         lceil<mode>{si,di}2 patterns using SWI48 mode iterator.
6027
6028 2009-10-08  Joseph Myers  <joseph@codesourcery.com>
6029
6030         * gcc.c (main): Remove trailing "." from diagnostics.
6031
6032 2009-10-08  Cary Coutant  <ccoutant@google.com>
6033
6034         Add support for debugging with ICF (Identical Code Folding).
6035         * calls.c (debug.h): New #include.
6036         (emit_call_1): Call virtual_call_token debug hook.
6037         * common.opt (-fenable-icf-debug): New option.
6038         * dwarf2out.c (dwarf2_debug_hooks): Add entries for new hooks (two
6039         locations in the source).
6040         (poc_label_num): New variable.
6041         (dcall_entry, vcall_entry): New typedefs.
6042         (dcall_table, vcall_table): New variables.
6043         (struct vcall_insn): New type.
6044         (vcall_insn_table): New variable.
6045         (DEBUG_DCALL_SECTION, DEBUG_VCALL_SECTION): New macros.
6046         (size_of_dcall_table): New function.
6047         (output_dcall_table): New function.
6048         (size_of_vcall_table): New function.
6049         (output_vcall_table): New function.
6050         (dwarf2out_direct_call): New function.
6051         (vcall_insn_table_hash): New function.
6052         (vcall_insn_table_eq): New function.
6053         (dwarf2out_virtual_call_token): New function.
6054         (dwarf2out_virtual_call): New function.
6055         (dwarf2out_init): Allocate new tables and sections.
6056         (prune_unused_types): Mark DIEs referenced from direct call table.
6057         (dwarf2out_finish): Output direct and virtual call tables.
6058         * final.c (final_scan_insn): Call direct_call and virtual_call
6059         debug hooks.
6060         * debug.h (struct gcc_debug_hooks): Add direct_call,
6061         virtual_call_token, virtual_call hooks.
6062         (debug_nothing_uid): New function.
6063         * debug.c (do_nothing_debug_hooks): Add dummy entries for new hooks.
6064         (debug_nothing_uid): New function.
6065         * dbxout.c (dbx_debug_hooks): Add dummy entries for new hooks.
6066         (xcoff_debug_hooks): Likewise.
6067         * sdbout.c (sdb_debug_hooks): Likewise.
6068         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
6069         * doc/invoke.texi (-fenable-icf-debug): New option.
6070
6071 2009-10-08  Alexandre Oliva  <aoliva@redhat.com>
6072
6073         PR debug/41353
6074         * regmove.c (regmove_backward_pass): Replace src with dst in the
6075         debug insn, and check for dst before rather than after.
6076
6077 2009-10-08  Janis Johnson <janis187@us.ibm.com>
6078
6079         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Remove.
6080         (TARGET_DELEGITIMIZE_ADDRESS): Likewise.
6081
6082 2009-10-08  Jan Hubicka  <jh@suse.cz>
6083
6084         PR middle-end/41626
6085         * cgraphbuild.c (record_reference): When parameter DATA is NULL,
6086         do not mark cgraph nodes as needed.
6087         (record_references_in_initializer): Add new only_vars parameter.
6088         * cgraph.h (record_references_in_initializer): New parameter.
6089         * varasm.c (assemble_variable): Update call.
6090         * varpool.c (varpool_analyze_pending_decls): Always look for
6091         referenced vars.
6092
6093 2009-10-08  Anatoly Sokolov  <aesok@post.ru>
6094
6095         * config/avr/avr.c (last_insn_address) Remove variable.
6096         (expand_prologue): Don't initialise last_insn_address variable.
6097         (final_prescan_insn): Don't output insn size.
6098         * config/avr/avr.opt (msize): Remove switch.
6099         * doc/invoke.texi (AVR Options): Remove documentation of -msize
6100         switch.
6101
6102 2009-10-08  Adam Nemet  <anemet@caviumnetworks.com>
6103
6104         * combine.c (label_tick_ebb_start): Fix comment.
6105         (combine_instructions): Set label_tick and label_tick_ebb_start before
6106         calling setup_incoming_promotions.  Start them from 1.  Increment
6107         label_tick instead of deriving it from the BB index.  Rather than
6108         comparing ticks use the block from the previous iteration to decide
6109         whether to start a new EBB.  Remove empty lines before function.
6110
6111 2009-10-08  Michael Matz  <matz@suse.de>
6112
6113         PR middle-end/41573
6114         * builtins.c (fold_builtin_isascii): Use fold_build2.
6115         (fold_builtin_isdigit): Ditto.
6116         * except.c (duplicate_eh_regions_1): Tolerate NULL labels.
6117         * tree-cfg.c (struct rus_data, remove_useless_stmts_warn_notreached,
6118         remove_useless_stmts_cond, remove_useless_stmts_tf,
6119         remove_useless_stmts_tc, remove_useless_stmts_bind,
6120         remove_useless_stmts_goto, remove_useless_stmts_label,
6121         remove_useless_stmts_1, remove_useless_stmts,
6122         pass_remove_useless_stmts): Remove.
6123         * tree-pass.h (pass_remove_useless_stmts): Don't declare.
6124         * passes.c (init_optimization_passes): Don't add
6125         pass_remove_useless_stmts.
6126         * tree-eh.c (lower_eh_constructs_2): Handle empty cleanups.
6127         * tree.c (free_lang_data_in_decl): Don't clear DECL_INITIAL of
6128         static constants.
6129         * lto-symtab.c (lto_symtab_register_decl): Accepts DECL_INITIAL
6130         for static constants.
6131         * lto-streamer-out.c (output_gimple_stmt): Handle GIMPLE_NOP.
6132         * lto-streamer-in.c (input_gimple_stmt): Handle GIMPLE_NOP.
6133
6134 2009-10-08  Richard Guenther  <rguenther@suse.de>
6135
6136         * gimple.c (free_gimple_type_tables): New function.
6137         * gimple.h (free_gimple_type_tables): Declare.
6138
6139 2009-10-07  Mark Heffernan  <meheff@google.com>
6140
6141         * ipa-prop.c (ipa_print_node_params) Only print
6142         names of named arguments.
6143
6144 2009-10-08  Rafael Avila de Espindola  <espindola@google.com>
6145
6146         * gcc.c (LINK_COMMAND_SPEC): Pass libc with -pass-through if it is
6147         being statically linked.
6148
6149 2009-10-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6150
6151         * collect2.c (add_lto_object): Only define if OBJECT_FORMAT_NONE.
6152
6153 2009-10-08  Jan Hubicka  <jh@suse.cz>
6154
6155         PR bootstrap/41620
6156         * ipa.c (cgraph_externally_visible_p,
6157         function_and_variable_visibility,
6158         whole_program_function_and_variable_visibility): Skip non-finalized
6159         nodes.
6160
6161 2009-10-08  Nick Clifton  <nickc@redhat.com>
6162
6163         * config/mn10300/mn10300.h (CONSTANT_ADDRESS_P): Do not allow
6164         CONST_DOUBLEs.
6165
6166 2009-10-08  Andreas Tobler  <a.tobler@schweiz.org>
6167
6168         PR bootstrap/37739
6169         * config.host: Use config/x-cflags-O1 for powerpc FreeBSD.
6170
6171 2009-10-07  Joseph Myers  <joseph@codesourcery.com>
6172
6173         PR c/41182
6174         * c-common.c (c_fully_fold_internal): Strip nops from the result
6175         of recursive calls to c_fully_fold_internal.
6176         (c_wrap_maybe_const): New.
6177         (c_save_expr): Use c_wrap_maybe_const.
6178         * c-common.h (c_wrap_maybe_const): Declare.
6179         * c-typeck.c (build_conditional_expr, c_finish_stmt_expr,
6180         build_binary_op): Use c_wrap_maybe_const.
6181
6182 2009-10-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6183
6184         * real.c: Fix comment to reflect actual exponent size.
6185
6186 2009-10-08  Ben Elliston  <bje@au.ibm.com>
6187
6188         * config/rs6000/a2.md: Add FSF comment header.
6189
6190 2009-10-07  Uros Bizjak  <ubizjak@gmail.com>
6191
6192         * config/i386/i386.md (any_extend): New code iterator.
6193         (u, s): New code attributes.
6194         (sgnprefix): Ditto.
6195         (DWIH): Rewrite as code iterator for SI and DI modes.
6196         (DWI): Rewrite as mode attribute.
6197         (dwi): New mode attribute.
6198         (di): Depend on SI mode and DI mode.
6199         (doubleint_general_operand): Remove mode attribute.
6200
6201         (*lea_1): Macroize insn from *lea_1_rex64 and *lea_1 patterns using
6202         DWIH mode iterator.
6203
6204         (*add<mode>3_doubleword): Use DWIH as the base mode iterator.
6205         (*sub<mode>3_doubleword): Ditto.
6206
6207         (mul<mode>3): Macroize expander from mul{hi,si,di}3 patterns
6208         using SWIM248 mode iterator.
6209         (*mul<mode>3_1): Macroize insn from mul{si,di}3_1 patterns
6210         using SWI48 mode iterator.
6211         (<u>mul<mode><dwi>3): Macroize expander from {,u}mul{sidi,diti}3
6212         patterns using DWIH mode iterator and any_extend code iterator.
6213         (<u>mulqihi3): Macroize expander from {,u}mulqihi3 patterns
6214         using any_extend code iterator.
6215         (*<u>mul<mode><dwi>3_1): Macroize insn from {,u}mul{sidi,diti}3_1
6216         patterns using DWIH mode iterator and any_extend code iterator.
6217         (*<u>mulqihi3_1): Macroize insn from {,u}mulqihi3_1 patterns
6218         using any_extend code iterator.
6219         (<s>mul<mode>3_highpart): Macroize expander from
6220         {s,u}mul{si,di}3_highpart patterns using DWIH mode iterator
6221         and any_extend code iterator.
6222         (*<s>muldi3_highpart_1): Macroize insn from
6223         *{s,u}muldi3_highpart_rex64 patterns using any_extend code iterator.
6224         (*<s>mulsi3_highpart_1): Macroize insn from *{s,u}mulsi3_highpart_1
6225         patterns using any_extend code iterator.
6226         (*<s>mulsi3_highpart_zext): Macroize insn from
6227         *{s,u}mulsi3_highpart_zext patterns using any_extend code iterator.
6228
6229 2009-10-07  Jakub Jelinek  <jakub@redhat.com>
6230
6231         * dwarf2out.c (tree_add_const_value_attribute_for_decl): Don't add
6232         DW_AT_const_value if VAR_DIE already has DW_AT_abstract_origin
6233         refering to a DIE with DW_AT_const_value.
6234
6235 2009-10-07  Vladimir Makarov  <vmakarov@redhat.com>
6236
6237         PR middle-end/22072
6238         * ira-lives.c (check_and_make_def_conflict): Process all operands.
6239
6240 2009-10-06  Jan Hubicka  <jh@suse.cz>
6241
6242         * cgraph.c (cgraph_node_can_be_local): Handle externally visible nodes
6243         correctly.
6244
6245 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
6246
6247         * config/i386/i386.md (*lea_1_rex64, *lea_1, *lea_1_zext,
6248         *lea_2_rex64): Move before *add<mode>_1 pattern.
6249
6250 2009-10-07  Jan Hubicka  <jh@suse.cz>
6251
6252         * collect2.c (main): Add -fno-whole-program.
6253         * gcc.c (set_collect_gcc_options): Do not remove whole program here.
6254
6255 2009-10-07  Jan Hubicka  <jh@suse.cz>
6256
6257         * lto-symtab.c (lto_cgraph_replace_node): Assert that inline clones
6258         has no address taken.
6259         * cgraph.c (cgraph_mark_needed_node): Assert that inline clones are
6260         never needed.
6261         (cgraph_clone_node): Clear externally_visible flag for clones.
6262         * cgraph.h (cgraph_only_called_directly_p,
6263         cgraph_can_remove_if_no_direct_calls_p): New predicates.
6264         * tree-pass.h (pass_ipa_whole_program_visibility): Declare.
6265         * ipa-cp.c (ipcp_cloning_candidate_p): Use new predicate.
6266         (ipcp_initialize_node_lattices, ipcp_estimate_growth,
6267         ipcp_insert_stage): Likwise.
6268         * cgraphunit.c (cgraph_decide_is_function_needed): Do not compute
6269         externally_visible flag.
6270         (verify_cgraph_node): Verify that inline clones look right.
6271         (process_function_and_variable_attributes): Do not set
6272         externally_visible flags.
6273         (ipa_passes): Avoid executing small_ipa_passes at LTO stage; they've
6274         been already run.
6275         * lto-cgraph.c (lto_output_node): Assert that inline clones are not
6276         boundaries.
6277         * ipa-inline.c (cgraph_clone_inlined_nodes): Use new predicates;
6278         clear externally_visible when turning into inline clones
6279         (cgraph_mark_inline_edge): Use new predicates.
6280         (cgraph_estimate_growth): Likewise.
6281         (cgraph_decide_inlining): Likewise.
6282         * ipa.c (cgraph_postorder): Likewise.
6283         (cgraph_remove_unreachable_nodes): Likewise; sanity check
6284         that inline clones are not needed.
6285         (cgraph_externally_visible_p): New predicate.
6286         (function_and_variable_visibility): Add whole_program parameter;
6287         always set externally_visible flag; handle COMDAT function
6288         privatization.
6289         (local_function_and_variable_visibility): New function.
6290         (gate_whole_program_function_and_variable_visibility): New function.
6291         (whole_program_function_and_variable_visibility): New function.
6292         (pass_ipa_whole_program_visibility): New function.
6293         * passes.c  (init_optimization_passes): Add whole program visibility
6294         pass.
6295         (do_per_function_toporder, function_called_by_processed_nodes_p): Do
6296         not care about needed/reachable flags.
6297         * varpool.c: Include flags.h
6298         (decide_is_variable_needed): When doing LTO assume whole-program mode.
6299         (varpool_finalize_decl): When we are in LTO read-back, all variables
6300         are analyzed.
6301         (varpool_analyze_pending_decls): Skip analyzis of analyzed vars.
6302
6303 2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6304
6305         * config/s390/tpf.h (TARGET_DEFAULT): Remove MASK_HARD_FLOAT and
6306         add MASK_HARD_DFP.
6307
6308 2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6309
6310         * config.gcc: Don't include the makefile fragments intended for
6311         libgcc.
6312         * config/s390/fixdfdi.h: File removed.
6313         * config/s390/libgcc-glibc.ver: File removed.
6314         * config/s390/s390.h: Remove the fixdfdi.h hack.
6315         * config/s390/t-crtstuff: File moved to libgcc dir.
6316         * config/s390/t-linux: Likewise.
6317         * config/s390/t-tpf: libgcc specific parts removed.
6318         * config/s390/t-linux64: Likewise.
6319
6320 2009-10-06  Jerry Quinn  <jlquinn@optonline.net>
6321
6322         * Makefile.in (lto-wrapper): Use COMPILER and ALL_COMPILERFLAGS.
6323         (lto-compress.o): Likewise.
6324
6325 2009-10-07  Danny Smith  <dannysmith@users.sourceforge.net>
6326
6327         PR target/41512
6328         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't propagate
6329         dllexport to class members here.
6330         (i386_pe_determine_dllimport_p): Only check static class data for
6331         definition.
6332         (i386_pe_encode_section_info): Don't recheck DECL_DLLIMPORT_P.
6333         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Only check
6334         functions for vague linkage.
6335         (i386_pe_type_dllexport_p): Fix formatting.
6336         (maybe_add_dllexport) New function.
6337         (i386_pe_adjust_class_at_definition): Use it to propagate dllexport
6338         to class members.
6339
6340 2009-10-07  Ben Elliston  <bje@au.ibm.com>
6341
6342         * config/rs6000/a2.md: Remove duplicated lines.
6343
6344 2009-10-07  Ben Elliston  <bje@au.ibm.com>
6345
6346         * config.gcc (powerpc*-*-*): Handle a2.
6347         * config/rs6000/rs6000.md (cpu): Add ppca2.  Include "a2.md".
6348         * config/rs6000/a2.md: New file.
6349         * config/rs6000/rs6000.opt (mno-update): New.
6350         (mupdate): Return to using a mask, not a var.
6351         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add support for a2.
6352         (enum processor_type): Add PROCESSOR_PPCA2.
6353         * config/rs6000/rs6000.c (ppca2_cost): New costs.
6354         (rs6000_override_options): Add "a2" to processor_target_table.
6355         Update rs6000_always_hint logic.  Correctly set rs6000_cost for a2.
6356         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mcpu=a2.
6357
6358 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
6359
6360         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
6361         Use explicit gen_truncxfsf2 and gen_truncxfdf2 references to avoid
6362         reference to nonexistent gen_truncxfxf2 function.
6363
6364 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
6365
6366         * config/i386/i386.md (SWI48, SDWIM, DWI): New mode iterators.
6367         (DWIH, g, di, doubleint_general_operand): New mode attributes.
6368         (general_operand): Handle TI mode.
6369         (add<mode>3): Macroize expander from add{qi,hi,si,di,ti}3 patterns
6370         using SDWIM mode iterator.
6371         (*add<mode>3_doubleword): New insn_and_split pattern.  Macroize
6372         pattern from *add{di,ti}3_1 patterns and corresponding splitters
6373         using DWI mode iterator.
6374         (add<mode>3_carry): Macroize insn from add{qi,hi,si,di}3_carry
6375         patterns using SWI mode iterator.
6376         (*add<mode>3_cc): Macroize insn from add{si,di}3_cc patterns
6377         using SWI48 mode iterator.
6378         (*add<mode>_1): Ditto from add{si,di}_1 patterns.
6379         (*add<mode>_2): Ditto from add{si,di}_2 patterns.
6380         (*add<mode>_3): Ditto from add{si,di}_3 patterns.
6381         (*add<mode>_5): Ditto from add{si,di}_5 patterns.
6382         (sub<mode>3): Macroize expander from sub{qi,hi,si,di,ti}3 patterns
6383         using SDWIM mode iterator.
6384         (*sub<mode>3_doubleword): New insn_and_split pattern.  Macroize
6385         pattern from *sub{di,ti}3_1 patterns and corresponding splitters
6386         using DWI mode iterator.
6387         (sub<mode>3_carry): Macroize insn from sub{qi,hi,si,di}3_carry
6388         patterns using SWI mode iterator.
6389         (*sub<mode>_1): Ditto from from sub{qi,hi,si,di}_1 patterns.
6390         (*sub<mode>_2): Ditto from sub{qi,hi,si,di}_2 patterns.
6391         (*sub<mode>_3): Ditto from sub{qi,hi,si,di}_3 patterns.
6392         (<plusminus_insn>xf3): Macroize expander from addxf3 and subxf3
6393         patterns using plusminus code iterator.
6394         (<plusminus_insn><mode>3): Macroize expander from add<mode>3 and
6395         sub<mode>3 patterns using plusminus code iterator.
6396         * config/i386/i386.c (override_options): Update the call to
6397         gen_subdi_carry_rex64 for renamed function.
6398         (ix86_expand_int_addcc): Update calls to gen_subdi3_carry_rex64
6399         and gen_adddi3_carry_rex64 for renamed functions.  Use indirect
6400         calls to instruction expanders.
6401
6402 2009-10-06  Martin Jambor  <mjambor@suse.cz>
6403
6404         PR bootstrap/41395
6405         * opts.c (decode_options): Run IPA-SRA at -O2.
6406
6407 2009-10-06  Richard Guenther  <rguenther@suse.de>
6408
6409         * lto-symtab.c (lto_symtab_entry_hash): Hash strings, not pointers.
6410
6411 2009-10-06  Tobias Burnus  <burnus@net-b.de>
6412
6413         PR lto/41591
6414         * doc/invoke.texi (-flto,-fwhole-program): Make clear that the
6415         -flto and -fwhole-program flags can be combined.
6416
6417 2009-10-06  Ryan Mansfield  <rmansfield@qnx.com>
6418
6419         PR driver/41217
6420         * gcc.c (process_command): Check that -o argument was specified.
6421
6422 2009-10-06  Jerry Quinn  <jlquinn@optonline.net>
6423
6424         * gimple.c (gimple_type_hash): Use CONST_CAST_TREE to fix compilation.
6425
6426 2009-10-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6427
6428         * c.opt (Wjump-misses-init): Fix typo to enable for ObjC.
6429         * doc/invoke.texi (Warning Options): Annotate allowed languages
6430         for -Wunsuffixed-float-constants.
6431
6432 2009-10-05  Jakub Jelinek  <jakub@redhat.com>
6433
6434         * dwarf2out.c (modified_type_die): Don't add DW_AT_name to
6435         DW_TAG_{const,volatile}_type if its DW_AT_type already has the
6436         same name and isn't the main variant.
6437
6438         PR debug/41558
6439         * dwarf2out.c (loc_by_reference): Removed.
6440         (dw_loc_list_1): New function.
6441         (dw_loc_list): Remove toplev argument, add want_address argument.
6442         Don't look at decl_by_reference_p at all.  Use dw_loc_list_1.
6443         (loc_list_from_tree) <case VAR_DECL>: Pass want_address rather than
6444         want_address == 2 to dw_loc_list.  For successful dw_loc_list
6445         set have_address to 1 only if want_address is not 0.
6446
6447 2009-10-05  Richard Sandiford  <rdsandiford@googlemail.com>
6448
6449         * config/mips/mips-protos.h (mips_trampoline_code_size): Declare.
6450         * config/mips/mips.h (TRAMPOLINE_SIZE): Redefine as the size of
6451         a code block followed by two pointers.
6452         (TRAMPOLINE_ALIGNMENT): Define to 64 for 32-bit targets too.
6453         * config/mips/mips.c (MIPS_LOAD_PTR): New macro.
6454         (MIPS_MOVE): Likewise.
6455         (MIPS_LUI): Likewise.
6456         (MIPS_JR): Likewise.
6457         (MIPS_BAL): Likewise.
6458         (MIPS_NOP): Likewise.
6459         (mips_asm_trampoline_template): Delete.
6460         (mips_trampoline_code_size): New function.
6461         (mips_trampoline_init): Add shorter sequences for all cases
6462         except Pmode == DImoe && !TARGET_USE_PIC_FN_ADDR_REG.
6463         Calculate the opcodes directly, rather than copying from a template.
6464         Only flush the code part of the trampoline.
6465         (TARGET_ASM_TRAMPOLINE_TEMPLATE): Delete.
6466
6467 2009-10-05  Richard Sandiford  <rdsandiford@googlemail.com>
6468
6469         * config/mips/mips.h (DWARF_FRAME_RETURN_COLUMN): Replace
6470         GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM.
6471         (INCOMING_RETURN_ADDR_RTX): Likewise.
6472         (FUNCTION_PROFILER): Likewise.  Replace GP_REG_FIRST + 1
6473         with AT_REGNUM.
6474         * config/mips/sdemtk.h (FUNCTION_PROFILER): Replace GP_REG_FIRST + 31
6475         with RETURN_ADDR_REGNUM.
6476         (MIPS_SAVE_REG_FOR_PROFILING_P): Likewise.
6477         * config/mips/mips.c (mips16_build_call_stub): Replace
6478         GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM, GP_REG_FIRST + 1
6479         with AT_REGNUM and 31 with RETURN_ADDR_REGNUM.
6480         (mips_print_operand_punctuation): Likewise.
6481         (mips_frame_set): Likewise.
6482         (mips16e_output_save_restore): Likewise.
6483         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
6484         (mips_save_reg_p): Likewise.
6485         (mips_return_addr): Likewise.
6486         (mips_set_return_address): Likewise.
6487         (mips_direct_save_slot_move_p): Likewise.
6488         (mips_output_function_prologue): Likewise.
6489         (mips_restore_reg): Likewise.
6490         (mips_expand_epilogue): Likewise.
6491         (mips_epilogue_uses): Likewise.
6492         * config/mips/mips.md (RETURN_ADD_REGNUM): Define.
6493         (*mov<mode>_ra): Use it instead of a hard-coded 31.
6494         (clear_hazard_<mode>): Likewise.
6495         (call_internal): Likewise.
6496         (call_internal_direct): Likewise.
6497         (call_direct_split): Likewise.
6498         (call_value_internal): Likewise.
6499         (call_value_split): Likewise.
6500         (call_value_internal_direct): Likewise.
6501         (call_value_direct_split): Likewise.
6502         (call_value_multiple_internal): Likewise.
6503         (call_value_multiple_split): Likewise.
6504
6505 2009-10-05  Eric Botcazou  <ebotcazou@adacore.com>
6506             Jakub Jelinek  <jakub@redhat.com>
6507
6508         PR rtl-optimization/41511
6509         * combine.c (record_value_for_reg): Pass explicit values as argument
6510         to get_last_value_validate.
6511         (get_last_value_validate): Document INSN parameter.
6512         For non-readonly MEMs, assume they might have been modified if INSN
6513         was in another basic block.
6514         (get_last_value): Minor reformatting.
6515
6516 2009-10-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6517
6518         PR tree-opt/40992
6519         * final.c (asm_str_count): Split out from asm_insn_count.
6520         * rtl.h (asm_str_count): New prototype.
6521         * tree-inline (estimate_num_insns) <case GIMPLE_ASM>: Call
6522         asm_str_count.
6523
6524 2009-10-05  Sriraman Tallam  <tmsriram@google.com>
6525
6526         * doc/plugins.texi: Change plugin_pass to register_pass_info.
6527
6528 2009-10-05  Basile Starynkevitch  <basile@starynkevitch.net>
6529             Rafael Espindola  <espindola@google.com>
6530
6531         * gengtype.c (write_types): Moved call to write_func_for_structure
6532         into seperate loops.
6533
6534 2009-10-05  Richard Guenther  <rguenther@suse.de>
6535
6536         PR lto/41281
6537         * lto-cgraph.c (output_cgraph): Output toplevel asms.
6538         (input_cgraph_1): Input toplevel asms.
6539
6540 2009-10-05  Richard Guenther  <rguenther@suse.de>
6541
6542         PR lto/40902
6543         * lto-symtab.c (lto_compatible_attributes_p): Remove.
6544         (external_aggregate_decl_p): Likewise.
6545         (lto_symtab_compatible): Re-structure.  Remove dead code.
6546         For variables ignore toplevel qualifiers when comparing types.
6547         Issue warnings, not errors for mismatched user-alignment.
6548
6549 2009-10-05  Richard Guenther  <rguenther@suse.de>
6550
6551         PR lto/41552
6552         PR lto/41487
6553         * lto-symtab.c (struct lto_symtab_base_def): Remove.
6554         (struct lto_symtab_identifier_def): Likewise.
6555         (struct lto_symtab_decl_def): Likewise.
6556         (struct lto_symtab_entry_def): New.
6557         (lto_symtab_identifier_t): Rename to ...
6558         (lto_symtab_entry_t): ... this.
6559         (lto_symtab_decls): Remove.
6560         (lto_symtab_base_hash): Rename to ...
6561         (lto_symtab_entry_hash): ... this.
6562         (lto_symtab_base_eq): Rename to ...
6563         (lto_symtab_entry_eq): ... this.
6564         (lto_symtab_base_marked_p): Rename to ...
6565         (lto_symtab_entry_marked_p): ... this.
6566         (lto_symtab_identifier_marked_p): Remove.
6567         (lto_symtab_decl_marked_p): Likewise.
6568         (lto_symtab_maybe_init_hash_tables): Rename to ...
6569         (lto_symtab_maybe_init_hash_table): ... this.
6570         (lto_symtab_set_resolution_and_file_data): Remove.
6571         (lto_symtab_register_decl): New function.
6572         (lto_symtab_get_identifier): Remove.
6573         (lto_symtab_get): New function.
6574         (lto_symtab_get_resolution): Adjust.
6575         (lto_symtab_get_identifier_decl): Remove.
6576         (lto_symtab_set_identifier_decl): Likewise.
6577         (lto_symtab_merge_decl): Rename to ...
6578         (lto_symtab_merge): ... this.  Rewrite.
6579         (lto_symtab_merge_var): Remove.
6580         (lto_symtab_merge_fn): Likewise.
6581         (lto_symtab_prevailing_decl): Adjust.
6582         (lto_cgraph_replace_node): New function.
6583         (lto_symtab_merge_decls_2): Likewise.
6584         (lto_symtab_merge_decls_1): Likewise.
6585         (lto_symtab_fixup_var_decls): Likewise.
6586         (lto_symtab_resolve_symbols): Likewise.
6587         (lto_symtab_merge_decls): Likewise.
6588         (lto_symtab_prevailing_decl): Adjust.
6589         (lto_symtab_get_symtab_def): Remove.
6590         (lto_symtab_get_file_data): Likewise.
6591         (lto_symtab_clear_resolution): Adjust.
6592         (lto_symtab_clear_resolution): Likewise.
6593         * lto-cgraph.c (input_edge): Do not merge cgraph nodes here.
6594         (input_cgraph_1): Likewise.
6595         * lto-streamer-in.c (get_resolution): Do not provide fake
6596         symbol resolutions here.
6597         (deferred_global_decls): Remove.
6598         (lto_register_deferred_decls_in_symtab): Likewise.
6599         (lto_register_var_decl_in_symtab): Change signature, register
6600         variable via lto_symtab_register_decl.
6601         (lto_register_function_decl_in_symtab): Likewise.
6602         (lto_read_tree): Adjust.
6603         * lto-streamer.h (lto_register_deferred_decls_in_symtab): Remove.
6604         (lto_symtab_merge_var): Likewise.
6605         (lto_symtab_merge_fn): Likewise.
6606         (lto_symtab_register_decl): Declare.
6607         (lto_symtab_merge_decls): Likewise.
6608
6609 2009-10-05  Richard Guenther  <rguenther@suse.de>
6610
6611         PR tree-optimization/23821
6612         * tree-vrp.c (vrp_finalize): Do not perform copy propagation.
6613         * tree-ssa-dom.c (cprop_operand): Do not propagate copies into
6614         simple IV increments.
6615
6616 2009-10-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6617
6618         * config/arm/arm.c (arm_override_options): Really initialize
6619         flag_dwarf2_cfi_asm to 0.
6620
6621 2009-10-05  Doug Kwan  <dougkwan@google.com>
6622
6623         PR rtl-optimization/41574
6624         * combine.c (distribute_and_simplify_rtx): Quit if RTX mode is
6625         floating point and we are not doing unsafe math optimizations.
6626
6627 2009-10-03  Simon Baldwin  <simonb@google.com>
6628             Cary Coutant  <ccoutant@google.com>
6629             Rafael Espindola  <espindola@google.com>
6630             Richard Guenther  <rguenther@suse.de>
6631             Jan Hubicka  <jh@suse.cz>
6632             Doug Kwan <dougkwan@google.com>
6633             H.J. Lu  <hongjiu.lu@intel.com>
6634             Bill Maddox  <maddox@google.com>
6635             Ryan Mansfield  <rmansfield@qnx.com>
6636             Diego Novillo  <dnovillo@google.com>
6637             Ollie Wild  <aaw@google.com>
6638             Kenneth Zadeck <zadeck@naturalbridge.com>
6639
6640         * lto-cgraph.c: New file.
6641         * lto-compress.c: New file.
6642         * lto-compress.h: New file.
6643         * lto-opts.c: New file.
6644         * lto-section-in.c: New file.
6645         * lto-section-out.c: New file.
6646         * lto-streamer-in.c: New file.
6647         * lto-streamer-out.c: New file.
6648         * lto-streamer.c: New file.
6649         * lto-streamer.h: New file.
6650         * lto-symtab.c: New file.
6651         * lto-wpa-fixup.c: New file.
6652         * lto-wrapper.c: New file.
6653
6654 2009-10-03  Simon Baldwin  <baldwin@google.com>
6655             Ben Elliston  <bje@au.ibm.com>
6656             Rafael Espindola  <espindola@google.com>
6657             Nathan Froyd  <froydnj@codesourcery.com>
6658             Jan Hubicka  <jh@suse.cz>
6659             Doug Kwan  <dougkwan@google.com>
6660             Diego Novillo  <dnovillo@google.com>
6661             Kenneth Zadeck  <zadeck@naturalbridge.com>
6662
6663         * Makefile.in (enable_lto): New.
6664         (site.exp): If @enable_lto@ is set to 'yes' define ENABLE_LTO.
6665         (LINKER_PLUGIN_API_H): Define.
6666         (LTO_SYMTAB_H): Define.
6667         (LTO_STREAMER_H): Define.
6668         (TREE_VECTORIZER_H): Define.
6669         (INCLUDES): Add LIBELFINC.
6670         (OBJS-common): Add lto-cgraph.o, lto-streamer-in.o,
6671         lto-streamer-out.o, lto-section-in.o, lto-section-out.o, lto-symtab.o,
6672         lto-opts.o, lto-streamer.o, lto-wpa-fixup.o, lto-compress.o.
6673         (MOSTLYCLEANFILES): Add lto-wrapper$(exeext)
6674         (native): Add lto-wrapper$(exeext)
6675         (lto-compress.o, lto-cgraph.o, lto-streamer-in.o,
6676         lto-streamer-out.o, lto-section-in.o, lto-section-out.o,
6677         lto-symtab.o, lto-opts.o, lto-streamer.o, lto-wpa-fixup.o): New rules.
6678         (gimple.o): Add dependency on LTO_HEADER_H and LTO_SECTION_OUT_H.
6679         (varasm.o): Add dependency on tree-iterator.h.
6680         (cgraph.o): Add dependency on cif-code.def.
6681         (ipa-reference.o): Add dependency on LTO_STREAMER_H.
6682         (ipa-pure-const.o): Likewise.
6683         (GTFILES): Add lto-symtab.c.
6684         (install-lto-wrapper): New.
6685         * configure.ac: If 'lto' is in enable_languages, define ENABLE_LTO
6686         and enable_lto.  If LIBELFLIBS is set, define HAVE_libelf.
6687         * config.in: Regenerate.
6688
6689 2009-10-03  Rafael Espindola  <espindola@google.com>
6690             Diego Novillo  <dnovillo@google.com>
6691
6692         * cgraphunit.c (ipa_passes): Prevent lto1 from calling
6693         ipa_write_summaries.
6694         Call execute_ipa_summary_passes for all_regular_ipa_passes and
6695         all_lto_gen_passes.
6696         (cgraph_optimize): Make extern.
6697
6698 2009-10-03  Nathan Froyd  <froydnj@codesourcery.com>
6699             Kenneth Zadeck <zadeck@naturalbridge.com>
6700
6701         * toplev.c (in_lto_p): Declare.
6702         * collect2.c (scan_prog_file): Read all the output when reading
6703         information for LTO.
6704         (enum lto_mode_d): Declare.
6705
6706 2009-10-03  Richard Guenther  <rguenther@suse.de>
6707             Diego Novillo  <dnovillo@google.com>
6708
6709         * gimple.c: Include target.h and alias.h.
6710         (gimple_types): Declare.
6711         (type_hash_cache): Declare.
6712         (gimple_alloc_stat): Make extern.
6713         (gimple_build_eh_must_not_throw): Call
6714         gimple_eh_must_not_throw_set_fndecl.
6715         (struct type_pair_d): Declare.
6716         (type_pair_t): Declare.
6717         (type_pair_hash): New.
6718         (type_pair_eq): New.
6719         (lookup_type_pair): New.
6720         (gimple_force_type_merge): New.
6721         (compare_type_names_p): New.
6722         (compare_field_offset): New.
6723         (gimple_types_compatible_p): New.
6724         (struct sccs): Declare.
6725         (next_dfs_num): Declare.
6726         (iterative_hash_gimple_type): New.
6727         (visit): New.
6728         (iterative_hash_type_name): New.
6729         (iterative_hash_gimple_type): New.
6730         (gimple_type_hash): New.
6731         (gimple_type_eq): New.
6732         (gimple_register_type): New.
6733         (print_gimple_types_stats): New.
6734         (gimple_signed_or_unsigned_type): New.
6735         (gimple_unsigned_type): New.
6736         (gimple_signed_type): New.
6737         (gimple_get_alias_set): New.
6738         (gimple_decl_printable_name): Do not use DMGL_TYPES.
6739         * gimple.h (gimple_alloc, gimple_alloc_stat): Declare.
6740         (gimple_force_type_merge): Declare.
6741         (gimple_types_compatible_p): Declare.
6742         (gimple_register_type): Declare.
6743         (print_gimple_types_stats): Declare.
6744         (gimple_unsigned_type): Declare.
6745         (gimple_signed_type): Declare.
6746         (gimple_get_alias_set): Declare.
6747         (gimple_eh_must_not_throw_set_fndecl): New.
6748
6749 2009-10-03  Jan Hubicka  <jh@suse.cz>
6750             Kenneth Zadeck <zadeck@naturalbridge.com>
6751
6752         * ipa-pure-const.c: Include lto-streamer.h.
6753         (register_hooks): Factor out of ...
6754         (generate_summary): ... here.
6755         (pure_const_write_summary): New.
6756         (pure_const_read_summary): New.
6757         (pass_ipa_pure_const): Add pure_const_write_summary and
6758         pure_const_read_summary.
6759         * ipa-reference.c: Include lto-streamer.h.
6760         (add_new_function): New.
6761         (remove_node_data): New.
6762         (duplicate_node_data): New.
6763         (ipa_init): Guard against multiple calls.
6764         Move hook setup from analyze_function.
6765         (write_node_summary_p): New.
6766         (ipa_reference_write_summary): New.
6767         (ipa_reference_read_summary): New.
6768         (pass_ipa_reference): Add ipa_reference_write_summary and
6769         ipa_reference_read_summary.
6770         * cgraph.h (cgraph_local_info): Add field lto_file_data.
6771         (struct cgraph_edge): Add fields lto_stmt_uid and
6772         call_stmt_cannot_inline_p.
6773         (cgraph_optimize): Declare.
6774         (cgraph_decide_is_function_needed): Declare.
6775         (reset_inline_failed): Declare.
6776         (enum LTO_cgraph_tags): Declare.
6777         (LTO_cgraph_tag_names): Declare.
6778         (LCC_NOT_FOUND): Define.
6779
6780 2009-10-03  Doug Kwan  <dougkwan@google.com>
6781             Rafael Espindola  <espindola@google.com>
6782             Jan Hubicka  <jh@suse.cz>
6783             Diego Novillo  <dnovillo@google.com>
6784             Kenneth Zadeck  <zadeck@naturalbridge.com>
6785
6786         * passes.c (all_regular_ipa_passes): New.
6787         (all_ipa_passes): Rename to all_small_ipa_passes.
6788         (init_optimization_passes): Init all_regular_ipa_passes.
6789         * tree-pass.h (all_regular_ipa_passes): New.
6790         (all_ipa_passes): Rename to all_small_ipa_passes.
6791         * passes.c (all_lto_gen_passes): New.
6792         (init_optimization_passes): Initialize all_lto_gen_passes.
6793         (execute_ipa_summary_passes): Make non-static.
6794         (ipa_write_summaries_1): New.
6795         (ipa_write_summaries_2): New.
6796         (ipa_write_summaries): New.
6797         (ipa_write_summaries_of_cgraph_node_set): New.
6798         (ipa_read_summaries_1): New.
6799         (ipa_read_summaries): New.
6800         (execute_ipa_pass_list): Call cgraph_process_new_functions.
6801         (execute_regular_ipa_pass_list): Remove.
6802         (init_optimization_passes): Schedule
6803         pass_rebuild_cgraph_edges and pass_early_inline outside
6804         of pass_all_early_optimizations.  Document reason.
6805         (pass_ipa_lto_gimple_out, pass_ipa_lto_wpa_fixup,
6806         pass_ipa_lto_finish_out): New pass.
6807         (pass_ipa_summary_passes): Start and stop timers if the pass has them.
6808         (execute_all_ipa_transforms): New.
6809         (execute_one_pass): Don't call execute_one_ipa_transform_pass.
6810         (dump_properties, debug_properties): New.
6811         * tree-optimize.c (gate_all_early_local_passes): Return
6812         false if we are in lto1.
6813         (tree_rest_of_compilation): Call execute_all_ipa_transforms.
6814         * tree-pass.h (execute_all_ipa_transforms): Declare.
6815         (pass_ipa_function_and_variable_visibility): Declare.
6816         (pass_ipa_early_inline): Declare.
6817         (pass_ipa_lto_gimple_out): Declare.
6818         (pass_ipa_lto_wpa_fixup): Declare.
6819         (pass_ipa_lto_finish_out): Declare.
6820         (all_small_ipa_passes, all_regular_ipa_passes,
6821         all_lto_gen_passes): Declare.
6822         (execute_ipa_summary_passes): Declare.
6823         (execute_all_ipa_transforms): Declare.
6824         (ipa_write_summaries): Declare
6825         (ipa_write_summaries_of_cgraph_node_set): Declare.
6826         (ipa_read_summaries): Declare.
6827
6828 2009-10-03  Doug Kwan  <dougkwan@google.com>
6829             Ollie Wild  <aaw@google.com>
6830
6831         * ipa-prop.c (ipa_propagate_indirect_call_infos): Do nothing in WPA.
6832
6833         * collect2.c (LTO_MODE_NONE, LTO_MODE_LTO, LTO_MODE_WPA): New enums.
6834         (lto_mode): New variable.
6835         (maybe_run_lto_and_relink): Handle the -fwpa option.
6836         (main): Handle the -fwpa option.
6837         (maybe_unlink_list): New function.
6838         * gcc.c (link_lto_options): Replace -flto with -fwpa.
6839         * common.opt (flto): New flag.
6840         * toplev.c (flag_generate_lto): Declare.
6841
6842 2009-10-03  Simon Baldwin  <simonb@google.com>
6843
6844         * common.opt (flto-compression-level): New flag.
6845
6846         * opts.c: Include lto-opts.h.
6847         (handle_option): Call lto_register_user_option for each
6848         valid option handled.
6849         (decode_options): Clear registered options before the options
6850         handling loop.
6851
6852 2009-10-03  Cary Coutant  <ccoutant@google.com>
6853
6854         * collect2.c (is_elf): New function.
6855         (scan_prog_file): Require LTO object to be in ELF format.
6856
6857 2009-10-03  Rafael Espindola  <espindola@google.com>
6858
6859         * gcc.c (LINK_COMMAND_SPEC): Use the -pass-through option to pass
6860         libgcc to the linker.
6861
6862         * ipa-cp.c (cgraph_gate_cp): Return false if LTRANS is running.
6863
6864         * collect2.c (maybe_run_lto_and_relink): Execute lto-wrapper.
6865         (collect_execute): Add flags argument. Pass flags to pex_run. Update
6866         all callers.
6867         * collect2.h (collect_execute): Add flags argument.
6868         * tlink.c (tlink_execute): Update call to collect_execute.
6869         * gcc.c (main): Set the COLLECT_LTO_WRAPPER environment variable.
6870         (use_linker_plugin): New.
6871         (use_linker_plugin_spec_function): New.
6872         (LINK_COMMAND_SPEC): Pass plugin options to the linker.
6873         (linker_plugin_file_spec): New.
6874         (lto_wrapper_spec): New.
6875         (lto_gcc_spec): New.
6876         (static_specs): Add linker_plugin_file, lto_wrapper and lto_gcc.
6877         (static_spec_functions): Add use-linker-plugin.
6878         (process_command): Handle -use-linker-plugin.
6879         (main): Use lto_wrapper_spec instead of lto_wrapper. Set
6880         linker_plugin_file_spec and lto_gcc_spec.
6881         (use_linker_plugin_spec_function): New.
6882
6883 2009-10-03  Richard Guenther  <rguenther@suse.de>
6884
6885         PR lto/41547
6886         PR lto/41548
6887         * tree.h (is_lang_specific): Include LANG_TYPE.
6888         * tree.c (find_decls_types_r): Manually add interesting parts
6889         of TYPE_FIELDS.  Walk BINFO_VIRTUALS.  Do not walk TYPE_METHODS.
6890
6891         * gimple.c (type_pair_hash): Make symmetric.
6892         (type_pair_eq): Likewise.
6893         (lookup_type_pair): Increase initial hashtable size.
6894         (gimple_force_type_merge): Rely on type-pair symmetry.
6895         (visit): Remove excessive checking code.
6896         (iterative_hash_type_name): Do not hash TYPE_NAME of anonymous unions.
6897         (gimple_register_type): Remove getenv calls, shrink initial
6898         hashtable size.
6899
6900         PR middle-end/41502
6901         * cgraphunit.c (ipa_passes): Do not remove bodies of extern
6902         inline functions if not generating lto output.
6903
6904         PR lto/41379
6905         * toplev.c (finalize): In WPA mode remove the asm file.
6906
6907 2009-10-03  Doug Kwan  <dougkwan@google.com>
6908
6909         * ipa-inline.c (cgraph_mark_inline): Check
6910         edge->call_stmt_cannot_inline_p instead of calling
6911         gimple_call_cannot_inline_p.
6912         (cgraph_decide_inlining): Do nothing in WPA and LTRANS.
6913         (cgraph_gate_ipa_early_inlining): Return false if in_lto_p is set.
6914         (inline_generate_summary): Do nothing in LTRANS.
6915         * cgraph.c (initialize_inline_failed): Make sure e->call_stmt
6916         exists before calling gimple_call_cannot_inline_p.
6917         (cgraph_create_edge): Set edge->call_stmt_cannot_inline_p.
6918         (cgraph_clone_edge): Add argument STMT_UID.  Modify all callers.
6919         Update new_edge->lto_stmt_uid.
6920         * cgraphbuild.c (reset_inline_failed): New.
6921
6922         * common.opt (fwpa): New flag.
6923         (fltrans): New option.
6924         * gcc.c (gcc_lto_option_t): New type.
6925         (current_lto_option): New variable.
6926         (lto_single_spec_function): Remove and is replaced by ..
6927         (lto_option_spec_function): New function.
6928         (LINK_COMMAND_SPEC): Use link_lto_option spec instead of just
6929         passing the -flto flag.
6930         (cc1_options): Separate non-LTO related parts into ..
6931         (cc1_non_lto_options): Non-LTO related options shared by all FEs.
6932         (lto1_options): New spec for lto FE.
6933         (link_lto_options): New spec for handling LTO flags in linker.
6934         (invoke_lto_single): Re-format to fit in 80 column.  Replace
6935         lto-single with lto-option.
6936         (static_specs): Add cc1_non_lto_options, lto1_options and
6937         link_lto_options.
6938         (static_spec_function): Replace lto-single with lto-option.
6939         (process_command): Handle -flto, -fwpa and -fltran by setting
6940         current_lto_option and not passing it to subprocess unconditionally.
6941
6942 2009-10-03  Bill Maddox  <maddox@google.com>
6943
6944         Add `gcc' driver support for link-time code generation (LTO).
6945
6946         * collect2.c (enum pass): Add new literal PASS_LTOINFO.
6947         (lto_flag, lto_objects, lto_o_file): New variables.
6948         (struct lto_object, struct lto_object_list): New structures.
6949         (collect_exit, handler): Remove LTO temporary output file on exit.
6950         (add_lto_object): New function.
6951         (maybe_run_lto_and_relink): New function. Perform link time code
6952         generation and relinking for object files containing LTO information.
6953         (main): Invoke maybe_run_lto_and_relink().
6954         (dump_argv): New function.  For debugging, currently disabled.
6955         (scan_prog_file): Add LTO information pass.
6956         * gcc.c (LINK_COMMAND_SPEC): Pass `-flto' switch to linker, i.e.,
6957         collect2.
6958         * toplev.c (compile_file): Emit assembler directive to create
6959         the `gnu_lto_v1' marker symbol when compiling with `-flto'.
6960
6961 2009-10-03  Diego Novillo  <dnovillo@google.com>
6962
6963         * c.opt: Add LTO to warn_abi and warn_psabi.
6964
6965         * tree.c (fld_worklist_push): Rename from PUSH.  Convert to static
6966         inline function.  Ignore language-specific nodes.  Update all users.
6967         (find_decls_types_r): Do not traverse the subtrees of
6968         language-specific nodes.  Do not traverse DECL_INITIAL for TYPE_DECLs.
6969         * tree.h (is_lang_specific): New.
6970         * langhooks.h (struct lang_hooks_for_decls): Remove
6971         may_need_assembler_name_p.  Update all users.
6972
6973         * c-common.c (set_builtin_user_assembler_name): Move ...
6974         * builtins.c (set_builtin_user_assembler_name): ... here.
6975         (is_builtin_name): Add comment
6976         (is_builtin_fn): New.
6977         * except.c (output_ttype): Only call
6978         lookup_type_for_runtime if TYPE is not a runtime type.
6979
6980         * passes.c (register_pass): Call position_pass on
6981         all_small_ipa_passes, all_regular_ipa_passes and all_lto_gen_passes.
6982         * timevar.def (TV_IPA_LTO_GIMPLE_IO): Define.
6983         (TV_IPA_LTO_DECL_IO): Define.
6984         (TV_IPA_LTO_CGRAPH_IO): Define.
6985         (TV_LTO): Define.
6986         (TV_WHOPR_WPA): Define.
6987         (TV_WHOPR_WPA_IO): Define.
6988         (TV_WHOPR_LTRANS): Define.
6989         (TV_WHOPR_WPA_FIXUP): Define.
6990         (TV_WHOPR_WPA_LTRANS_EXEC): Define.
6991         * tree-cfg.c (tree_node_can_be_shared): Make extern.
6992         * tree-flow.h (tree_node_can_be_shared): Declare.
6993         * tree-inline.c (tree_can_inline_p): Check that E has a
6994         statement associated with it.
6995         * tree.c (free_lang_data_in_binf): Factor out of ...
6996         (free_lang_data_in_type): ... here.
6997         Call RECORD_OR_UNION_TYPE_P.
6998         (need_assembler_name_p): Ignore DECL if it does not have TREE_PUBLIC
6999         set.  Call lang_hooks.decls.may_need_assembler_name_p if set.
7000         (free_lang_data_in_decl): Do not clear DECL_CONTEXT for CONST_DECLs.
7001         (free_lang_data): Set debug_info_level to DINFO_LEVEL_NONE.  Set
7002         write_symbols to NO_DEBUG.  Set debug_hooks to do_nothing_debug_hooks.
7003         (gate_free_lang_data): Return true if flag_generate_lto is set.
7004         (walk_tree_1): Call RECORD_OR_UNION_TYPE_P.
7005         * c-common.h (set_builtin_user_assembler_name): Move ...
7006         * tree.h (set_builtin_user_assembler_name): ... here.
7007
7008         * common.opt (flto-report): New flag.
7009         * opts.c (complain_wrong_lang): Do not complain if running lto1.
7010         * collect2.c (scan_prog_file): Send the error output of
7011         'nm' to HOST_BIT_BUCKET.
7012
7013 2009-10-03  Ollie Wild  <aaw@google.com>
7014
7015         * langhooks-def.h (lhd_begin_section): New function declaration.
7016         (lhd_write_section): New function declaration.
7017         (lhd_end_section): New function declaration.
7018         (LANG_HOOKS_BEGIN_SECTION): New macro.
7019         (LANG_HOOKS_WRITE_SECTION_DATA): New macro.
7020         (LANG_HOOKS_END_SECTION): New macro.
7021         (LANG_HOOKS_LTO): New macro.
7022         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_LTO.
7023         * langhooks.c (output.h): Add include.
7024         (saved_section): New static variable.
7025         (lhd_begin_section): New function.
7026         (lhd_write_section_data): New function.
7027         (lhd_end_section): New function.
7028         * langhooks.h (struct lang_hooks_for_lto): New structure.
7029         (struct lang_hooks): Add member lto.
7030         * Makefile.in (langhooks.o): Add dependency on output.h.
7031
7032         * c-opts.c (c_common_post_options): Handle -flto and -fwhopr.
7033
7034 2009-10-03  Richard Guenther  <rguenther@suse.de>
7035
7036         * config/rs6000/rs6000.c (rs6000_output_function_epilogue):
7037         Handle LTO.
7038
7039 2009-10-03  Simon Baldwin  <simonb@google.com>
7040             Richard Guenther  <rguenther@suse.de>
7041             Janis Johnson  <janis187@us.ibm.com>
7042             Doug Kwan  <dougkwan@google.com>
7043             Diego Novillo  <dnovillo@google.com>
7044             Ramana Radhakrishnan  <ramana.r@gmail.com>
7045             Ollie Wild  <aaw@google.com>
7046
7047         * doc/install.texi: Add documentation for libelf and --enable-lto.
7048         * doc/invoke.texi: Document -fwpa, -flto, -fwhopr, -fltrans,
7049         -flto-report, -flto-compression-level and -use-linker-plugin.
7050         * doc/sourcebuild.texi: Document use of zlib.  Document lto-plugin.
7051         Add section for LTO Testing.
7052
7053 2009-10-02  Cary Coutant  <ccoutant@google.com>
7054
7055         Add support for comdat type sections for DWARF v4.
7056         Merge from dwarf4 branch.
7057
7058         * dwarf2out.c (DWARF_TYPE_SIGNATURE_SIZE): New constant.
7059         (dw_die_ref): Define vector type.
7060         (enum dw_val_class): Add dw_val_class_data8.
7061         (struct dw_val_struct): Add v.val_data8.
7062         (comdat_type_node_ref): New type.
7063         (struct die_struct): Move die_symbol into a union; add new field
7064         die_type_node.  Change all uses.
7065         (comdat_type_node): New type.
7066         (skeleton_chain_node): New type.
7067         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): New constant.
7068         (comdat_type_list): New variable.
7069         (dwarf_tag_name): Add DW_TAG_type_unit.
7070         (dwarf_attr_name): Add DW_AT_signature.
7071         (add_AT_data8): New function.
7072         (replace_child): New function.
7073         (move_all_children): New function.
7074         (print_signature): New function.
7075         (print_die): Print signature information; add dw_val_class_data8.
7076         (attr_checksum): Support dw_val_class_data8.
7077         (CHECKSUM_STRING): Redefine for DWARF-4 to include trailing NULL byte.
7078         (CHECKSUM_SLEB128, CHECKSUM_ULEB128): New macros.
7079         (checksum_sleb128, checksum_uleb128): New functions.
7080         (checksum_die_context): New function.
7081         (loc_checksum_ordered): New function.
7082         (attr_checksum_ordered): New function.
7083         (struct checksum_attributes): New structure.
7084         (collect_checksum_attributes): New function.
7085         (die_checksum_ordered): New function.
7086         (generate_type_signature): New function.
7087         (same_dw_val_p): Add dw_val_class_data8.
7088         (is_symbol_die): Use new is_declaration_die function.
7089         (is_declaration_die): New function.
7090         (should_move_die_to_comdat): New function.
7091         (clone_die): New function.
7092         (clone_tree): New function.
7093         (clone_as_declaration): New function.
7094         (copy_declaration_context): New function.
7095         (generate_skeleton_ancestor_tree): New function.
7096         (generate_skeleton_bottom_up): New function.
7097         (generate_skeleton): New function.
7098         (remove_child_or_replace_with_skeleton): New function.
7099         (break_out_comdat_types): New function.
7100         (struct decl_table_entry): New type.
7101         (htab_decl_hash): New function.
7102         (htab_decl_eq): New function.
7103         (htab_decl_del): New function.
7104         (copy_ancestor_tree): New function.
7105         (copy_decls_walk): New function.
7106         (copy_decls_for_unworthy_types): New function.
7107         (build_abbrev_table): Don't assert on missing die_symbol when doing
7108         comdat type sections.
7109         (size_of_die): Use DW_FORM_sig8 for external references.  Add
7110         dw_val_class_data8.
7111         (unmark_dies): Don't assert for unmarked dies when doing comdat
7112         type sections.
7113         (value_format): Support DW_FORM_sig8 and dw_val_class_data8.
7114         (output_signature): New function.
7115         (output_die): Likewise.
7116         (output_compilation_unit_header): Mark output as DWARF version 3
7117         even if generating DWARF 4.
7118         (output_comdat_type_unit): New function.
7119         (output_line_info): Mark output as DWARF version 3 even if generating
7120         DWARF 4.
7121         (dwarf2out_start_source_file): Don't do eliminate_dwarf2_dups with
7122         DWARF-4.
7123         (dwarf2out_end_source_file): Likewise.
7124         (prune_unused_types_walk_attribs): Don't follow references into
7125         comdat type sections.
7126         (prune_unused_types_mark): When generating type units, do not mark
7127         children of non-defining declarations of types; do mark children of
7128         type entries.
7129         (prune_unused_types): Process comdat type sections.
7130         (htab_ct_hash): New function.
7131         (htab_ct_eq): New function.
7132         (dwarf2out_finish): Move types to comdat sections when using DWARF-4.
7133         Add a pointer to the line table from type unit entries so
7134         DW_AT_decl_file has meaning.
7135         * varasm.c (default_elf_asm_named_section): Use identifier name as
7136         comdat key instead of lang hook.
7137
7138 2009-10-02  Neil Vachharajani  <nvachhar@google.com>
7139
7140         * gcov-io.c (gcov_open): Open files read-only when MODE < 0.
7141
7142 2009-10-02  Uros Bizjak  <ubizjak@gmail.com>
7143
7144         * config/i386/i386.md (SWIM248): New mode iterator.
7145         (divmod<mode>4) Macroize expander from divmoddi4, divmodsi4 and
7146         divmodhi4 patterns using SWIM248 macro.
7147         (*divmod<mode>4): Macroize insn_and_split pattern from
7148         *divmoddi4_cltd_rex64, *divmodsi4_cltd and divmodhi4 insn patterns
7149         and their corresponding splitters usign SWIM248 macro.  Split SImode
7150         insn to generate cltd and DImode insn to generate cqto instead of
7151         move+shift when optimizing for size or TARGET_USE_CLTD is in effect.
7152         (*divmoddi4_nocltd_rex64, *divmodsi4_nocltd): Remove insn patterns.
7153         (*divmod<mode>4_noext): Macroize insn from *divmoddi_noext_rex64 and
7154         *divmodsi_noext patterns using SWIM248 macro.
7155         (udivmod<mode>4): Macroize expander from udivmoddi4, udivmodsi4 and
7156         udivmodhi4 patterns using SWIM248 macro.
7157         (*udivmod<mode>4): Macroize insn_and_split pattern from
7158         *udivmoddi4, udivmodsi4 and udivmodhi4 patterns and their
7159         corresponding splitters using SWIM248 macro.
7160         (*udivmod<mode>4_noext): Macroize insn from *udivmoddi4_noext,
7161         *udivmodsi4_noext and *udivmodhi_noext patterns using SWIM248 macro.
7162
7163 2009-10-02  Eric Botcazou  <ebotcazou@adacore.com>
7164
7165         * stor-layout.c (layout_type) <ARRAY_TYPE>: Make sure that an array
7166         of zero-sized element is zero-sized regardless of its extent.
7167
7168 2009-10-02  Jakub Jelinek  <jakub@redhat.com>
7169
7170         PR debug/40521
7171         * configure.ac (HAVE_GAS_CFI_SECTIONS_DIRECTIVE): New test.
7172         * configure: Regenerated.
7173         * config.in: Regenerated.
7174         * dwarf2out.c (dwarf2out_do_cfi_asm): Return false if
7175         !HAVE_GAS_CFI_SECTIONS_DIRECTIVE and not emitting .eh_frame.
7176         (dwarf2out_init): If HAVE_GAS_CFI_SECTIONS_DIRECTIVE and
7177         not emitting .eh_frame, emit .cfi_sections .debug_frame
7178         directive.
7179
7180         PR debug/41404
7181         PR debug/41353
7182         * cfgexpand.c (expand_debug_expr) <case STRING_CST>: Don't create
7183         CONST_STRING if STRING_CST contains embedded '\0's or doesn't end
7184         with '\0'.
7185         (expand_debug_expr) <case VAR_DECL>: For TREE_STATIC !DECL_EXTERNAL
7186         vars use DECL_RTL with resetting it back to NULL afterwards.
7187         * dwarf2out.c (same_dw_val_p): For dw_val_class_addr compare with
7188         rtx_equal_p instead of asserting it is a SYMBOL_REF.
7189         (value_format): For dw_val_class_addr only use DW_FORM_addr if
7190         the attribute type allows it, otherwise use DW_FORM_dataN.
7191         (mem_loc_descriptor): Handle CONST_STRING.
7192         (add_const_value_attribute): Handle CONST_STRING using add_AT_addr.
7193         Handle MEM with CONST_STRING address using add_AT_string.
7194         (rtl_for_decl_init): Return MEM with CONST_STRING address instead of
7195         CONST_STRING for const arrays initialized with a string literal.
7196         (resolve_one_addr, resolve_addr_in_expr, resolve_addr): New functions.
7197         (dwarf2out_finish): Call resolve_addr.
7198
7199 2009-10-02  Andreas Schwab  <schwab@linux-m68k.org>
7200             Maxim Kuvyrkov  <maxim@codesourcery.com>
7201
7202         * config/m68k/lb1sf68.asm (PICCALL): Use variable sized branch.
7203
7204 2009-10-02  Nick Clifton  <nickc@redhat.com>
7205
7206         * config/mn10300/mn10300.h (USER_LABEL_PREFIX): Define.
7207         (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
7208
7209 2009-10-01  Jan Hubicka  <jh@suse.cz>
7210
7211         * cgraph.c (cgraph_clone_node): Add redirect_callers parameter.
7212         (cgraph_create_virtual_clone): Just pass redirect_callers
7213         around.
7214         * cgraph.h (cgraph_clone_node): Update prototype.
7215         * ipa-pure-const.c (self_recursive_p): New function.
7216         (propagate): Use it.
7217         * ipa-inline.c (cgraph_clone_inlined_nodes,
7218         cgraph_decide_recursive_inlining): Update.
7219
7220 2009-10-01  David Daney  <ddaney@caviumnetworks.com>
7221
7222         * gcc/config/mips/mips.c (mips_process_sync_loop) Emit syncw
7223         instructions for TARGET_OCTEON.
7224
7225 2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7226
7227         * config/arm/arm.c (arm_override_options): Turn off
7228         flag_dwarf2_cfi_asm for AAPCS variants.
7229
7230 2009-10-01  Martin Jambor  <mjambor@suse.cz>
7231
7232         PR middle-end/12392
7233         * tree-sra.c (convert_callers): Do not call
7234         compute_inline_parameters on one caller more than once.
7235
7236 2009-10-01  Nick Clifton  <nickc@redhat.com>
7237
7238         * config/vax/netbsd-elf.h (NETBSD_CC1_AND_CC1PLUS_SPEC): Define as
7239         an empty string if not already defined.
7240
7241 2009-10-01  Martin Jambor  <mjambor@suse.cz>
7242
7243         PR bootstrap/41395
7244         * tree-sra.c (is_va_list_type): New function.
7245         (find_var_candidates): Call is_va_list_type.
7246         (find_param_candidates): Check that the type or the type pointed
7247         to are not va_list types.
7248
7249 2009-10-01  Martin Jambor  <mjambor@suse.cz>
7250
7251         PR c++/41503
7252         * cp/pt.c (function_parameter_expanded_from_pack_p): Return false if
7253         DECL_ARTIFICIAL (param_decl) is true.
7254
7255 2009-09-30  Gabriel Dos Reis  <gdr@cs.tamu.edu>
7256
7257         * tree.h (tree_decl_common::lang_flag_8): New.
7258         * c-common.c (c_common_reswords): Include "constexpr" as C++0x
7259         keyword.
7260         * c-common.h (RID_CONSTEXPR): New.
7261
7262 2009-09-30  Uros Bizjak  <ubizjak@gmail.com>
7263
7264         * config/alpha/alpha.c (alpha_gimplify_va_arg_1):
7265         Use ref-all pointers.
7266         (alpha_gimplify_va_arg): Ditto.
7267
7268 2009-09-30  Jakub Jelinek  <jakub@redhat.com>
7269
7270         PR target/41279
7271         * cfgloopanal.c (num_loop_insns): Don't increment ninsns for each bb
7272         before insn counting loop now that BB_END (bb) is counted.  Ensure
7273         the return value isn't zero.
7274
7275 2009-09-30  Nick Clifton  <nickc@redhat.com>
7276
7277         * config.gcc (sh-symbianelf): Replace definition of extra_objs
7278         with separate definitions of c_target_objs and cxx_target_objs.
7279         * config/sh/t-sh: Add rules to build symbian-cxx.o, symbian-c.o
7280         and symbian-base.o.
7281         * config/sh/sh.c (TARGET_CXX_INPUT_EXPORT_CLASS): Use
7282         sh_symbian_import_export_class.
7283         * config/sh/sh-protos.h: Fix names of exported symbian functions.
7284         * config/sh/symbian.c: Delete, moving code into...
7285         * config/sh/symbian-base.c: ... here
7286         * config/sh/symbian-c.c: ... and here
7287         * config/sh/symbian-cxx.c: ... and here.
7288
7289 2009-09-30  Uros Bizjak  <ubizjak@gmail.com>
7290
7291         PR target/22093
7292         * config/alpha/alpha.md (unaligned_storehi_be): Force operand
7293         of plus RTX into register.
7294
7295 2009-09-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7296
7297         * doc/install.texi: Linguistic and markup fixes.
7298         (Configuration) <--disable-cpp>: Remove description.
7299         <--enable-maintainer-mode>: Autotools files are affected, too.
7300         <--with-sysroot>: Improve description.
7301         (Building): Bump required GNU make version.
7302
7303 2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>
7304
7305         * config.gcc (i[34567]86-*-*): Include fma4intrin.h.
7306         (x86_64-*-*): Ditto.
7307
7308         * config/i386/fma4intrin.h: New file, provide common x86 compiler
7309         intrinisics for FMA4.
7310         * config/i386/cpuid.h (bit_FMA4): Define FMA4 bit.
7311         * config/i386/x86intrin.h: Fix typo to SSE4A instead of SSE4a.
7312         Add FMA4 check and fma4intrin.h.
7313         * config/i386/i386-c.c(ix86_target_macros_internal): Check
7314         ISA_FLAG for FMA4.
7315         * config/i386/i386.h(TARGET_FMA4): New macro for FMA4.
7316         * config/i386/i386.md (UNSPEC_FMA4_INTRINSIC): Add new UNSPEC
7317         constant for FMA4 support.
7318         (UNSPEC_FMA4_FMADDSUB): Ditto.
7319         (UNSPEC_FMA4_FMSUBADD): Ditto.
7320         * config/i386/i386.opt (-mfma4): New switch for FMA4 support.
7321         * config/i386/i386-protos.h (ix86_fma4_valid_op_p): Add declaration.
7322         (ix86_expand_fma4_multiple_memory): Ditto.
7323         * config/i386/i386.c (OPTION_MASK_ISA_FMA4_SET): New.
7324         (OPTION_MASK_ISA_FMA4_UNSET): New.
7325         (OPTION_MASK_ISA_SSE4A_UNSET): Change definition to depend on FMA4.
7326         (OPTION_MASK_ISA_AVX_UNSET): Change definition to depend on FMA4.
7327         (ix86_handle_option): Handle -mfma4.
7328         (isa_opts): Handle -mfma4.
7329         (enum pta_flags): Add PTA_FMA4.
7330         (override_options): Add FMA4 support.
7331         (IX86_BUILTIN_VFMADDSS): New for FMA4 intrinsic.
7332         (IX86_BUILTIN_VFMADDSD): Ditto.
7333         (IX86_BUILTIN_VFMADDPS): Ditto.
7334         (IX86_BUILTIN_VFMADDPD): Ditto.
7335         (IX86_BUILTIN_VFMSUBSS): Ditto.
7336         (IX86_BUILTIN_VFMSUBSD): Ditto.
7337         (IX86_BUILTIN_VFMSUBPS): Ditto.
7338         (IX86_BUILTIN_VFMSUBPD): Ditto.
7339         (IX86_BUILTIN_VFMADDSUBPS): Ditto.
7340         (IX86_BUILTIN_VFMADDSUBPD): Ditto.
7341         (IX86_BUILTIN_VFMSUBADDPS): Ditto.
7342         (IX86_BUILTIN_VFMSUBADDPD): Ditto.
7343         (IX86_BUILTIN_VFNMADDSS): Ditto.
7344         (IX86_BUILTIN_VFNMADDSD): Ditto.
7345         (IX86_BUILTIN_VFNMADDPS): Ditto.
7346         (IX86_BUILTIN_VFNMADDPD): Ditto.
7347         (IX86_BUILTIN_VFNMSUBSS): Ditto.
7348         (IX86_BUILTIN_VFNMSUBSD): Ditto.
7349         (IX86_BUILTIN_VFNMSUBPS): Ditto.
7350         (IX86_BUILTIN_VFNMSUBPD): Ditto.
7351         (IX86_BUILTIN_VFMADDPS256): Ditto.
7352         (IX86_BUILTIN_VFMADDPD256): Ditto.
7353         (IX86_BUILTIN_VFMSUBPS256): Ditto.
7354         (IX86_BUILTIN_VFMSUBPD256): Ditto.
7355         (IX86_BUILTIN_VFMADDSUBPS256): Ditto.
7356         (IX86_BUILTIN_VFMADDSUBPD256): Ditto.
7357         (IX86_BUILTIN_VFMSUBADDPS256): Ditto.
7358         (IX86_BUILTIN_VFMSUBADDPD256): Ditto.
7359         (IX86_BUILTIN_VFNMADDPS256): Ditto.
7360         (IX86_BUILTIN_VFNMADDPD256): Ditto.
7361         (IX86_BUILTIN_VFNMSUBPS256): Ditto.
7362         (IX86_BUILTIN_VFNMSUBPD256): Ditto.
7363         (enum multi_arg_type): New enum for describing the various FMA4
7364         intrinsic argument types.
7365         (bdesc_multi_arg): New table for FMA4 intrinsics.
7366         (ix86_init_mmx_sse_builtins): Add FMA4 intrinsic support.
7367         (ix86_expand_multi_arg_builtin): New function for creating FMA4
7368         intrinsics.
7369         (ix86_expand_builtin): Add FMA4 intrinsic support.
7370         (ix86_fma4_valid_op_p): New function to validate FMA4 3 and 4
7371         operand instructions.
7372         (ix86_expand_fma4_multiple_memory): New function to split the
7373         second memory reference from FMA4 instructions.
7374         * config/i386/sse.md (ssemodesuffixf4): New mode attribute for FMA4.
7375         (ssemodesuffixf2s): Ditto.
7376         (fma4_fmadd<mode>4): Add FMA4 floating point multiply/add
7377         instructions.
7378         (fma4_fmsub<mode>4): Ditto.
7379         (fma4_fnmadd<mode>4): Ditto.
7380         (fma4_fnmsub<mode>4): Ditto.
7381         (fma4_vmfmadd<mode>4): Ditto.
7382         (fma4_vmfmsub<mode>4): Ditto.
7383         (fma4_vmfnmadd<mode>4): Ditto.
7384         (fma4_vmfnmsub<mode>4): Ditto.
7385         (fma4_fmadd<mode>4256): Ditto.
7386         (fma4_fmsub<mode>4256): Ditto.
7387         (fma4_fnmadd<mode>4256): Ditto.
7388         (fma4_fnmsub<mode>4256): Ditto.
7389         (fma4_fmaddsubv8sf4): Ditto.
7390         (fma4_fmaddsubv4sf4): Ditto.
7391         (fma4_fmaddsubv4df4): Ditto.
7392         (fma4_fmaddsubv2df4): Ditto.
7393         (fma4_fmsubaddv8sf4): Ditto.
7394         (fma4_fmsubaddv4sf4): Ditto.
7395         (fma4_fmsubaddv4df4): Ditto.
7396         (fma4_fmsubaddv2df4): Ditto.
7397         (fma4i_fmadd<mode>4): Add FMA4 floating point multiply/add
7398         instructions for intrinsics.
7399         (fma4i_fmsub<mode>4): Ditto.
7400         (fma4i_fnmadd<mode>4): Ditto.
7401         (fma4i_fnmsub<mode>4): Ditto.
7402         (fma4i_vmfmadd<mode>4): Ditto.
7403         (fma4i_vmfmsub<mode>4): Ditto.
7404         (fma4i_vmfnmadd<mode>4): Ditto.
7405         (fma4i_vmfnmsub<mode>4): Ditto.
7406         (fma4i_fmadd<mode>4256): Ditto.
7407         (fma4i_fmsub<mode>4256): Ditto.
7408         (fma4i_fnmadd<mode>4256): Ditto.
7409         (fma4i_fnmsub<mode>4256): Ditto.
7410         (fma4i_fmaddsubv8sf4): Ditto.
7411         (fma4i_fmaddsubv4sf4): Ditto.
7412         (fma4i_fmaddsubv4df4): Ditto.
7413         (fma4i_fmaddsubv2df4): Ditto.
7414         (fma4i_fmsubaddv8sf4): Ditto.
7415         (fma4i_fmsubaddv4sf4): Ditto.
7416         (fma4i_fmsubaddv4df4): Ditto.
7417         (fma4i_fmsubaddv2df4): Ditto.
7418
7419         * doc/invoke.texi (-mfma4): Add documentation.
7420         * doc/extend.texi (x86 intrinsics): Add FMA4 intrinsics.
7421
7422 2009-09-29  Richard Henderson  <rth@redhat.com>
7423
7424         * tree-eh.c (unsplit_eh): Do not unsplit if there's already
7425         an edge to the new destination block.
7426
7427 2009-09-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7428
7429         PR target/41393
7430         * pa.c (hppa_profile_hook): Use
7431         make_reg_eh_region_note_nothrow_nononlocal to add REG_EH_REGION note.
7432
7433 2009-09-29  Steve Ellcey  <sje@cup.hp.com>
7434             Alexander Monakov  <amonakov@ispras.ru>
7435
7436         PR target/41365
7437         * config/ia64/predicates.md (not_postinc_destination_operand): New.
7438         (not_postinc_memory_operand): New.
7439         (not_postinc_move_operand): New.
7440         * config/ia64/ia64.md (*cmovdi_internal): Disallow autoincrement.
7441         (*cmovsi_internal): Ditto.
7442
7443 2009-09-29  Pat Haugen  <pthaugen@us.ibm.com>
7444
7445         * config/rs6000/rs6000.c (rs6000_issue_rate): Don't artificially
7446         restrict issue_rate in first pass when scheduling for register
7447         pressure.
7448
7449 2009-09-29  Basile Starynkevitch  <basile@starynkevitch.net>
7450             Rafael Avila de Espindola  <espindola@google.com>
7451
7452         * gengtype.c (plugin_output): New.
7453         (get_output_file_with_visibility): Return plugin_output for plugins.
7454         (main): Parse and use the -P option.
7455         * gty.texi: Update the command line format.
7456
7457 2009-09-29  Jakub Jelinek  <jakub@redhat.com>
7458
7459         PR debug/41438
7460         * dwarf2out.c (const_ok_for_output_1, const_ok_for_output): New
7461         functions.
7462         (mem_loc_descriptor, loc_descriptor, add_const_value_attribute): Bail
7463         out if !const_ok_for_output.
7464
7465         PR debug/41474
7466         * dwarf2out.c (mem_loc_descriptor) <case CONCAT, case CONCATN,
7467         case VAR_LOCATION>: Remove gcc_unreachable ().
7468
7469 2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>
7470
7471         * config.gcc (i[34567]86-*-*): Remove mmintrin-common.h.
7472         (x86_64-*-*): Ditto.
7473         * config/i386/smmintrin.h: Move instructions in mmintrin-common.h
7474         back to smmintrin.h.
7475         * config/i386/cpuid.h (bit_SSE5): Remove SSE5 bit.
7476         * config/i386/x86intrin.h: Remove SSE5.
7477         * config/i386/mmintrin-common.h: Delete file.
7478         * doc/extend.texi (x86 intrinsics): Remove SSE5 flags and builtins.
7479
7480 2009-09-29  Richard Guenther  <rguenther@suse.de>
7481
7482         * alias.c (ao_ref_from_mem): Properly deal with off decl accesses
7483         resulting from stack temporaries on STRICT_ALIGNMENT targets.
7484
7485 2009-09-29  Nick Clifton  <nickc@redhat.com>
7486
7487         * function.c (current_function_name): If there is no current
7488         function just return "<none>".
7489
7490 2009-09-28  Sriraman Tallam  <tmsriram@google.com>
7491
7492         * tree-pass.h (register_pass_info): New structure.
7493         (pass_positioning_ops): Move enum from gcc-plugin.h.
7494         (register_pass): New function.
7495         * gcc-plugin.h (plugin_pass): Delete structure.
7496         (pass_positioning_ops): Delete enum.
7497         * plugin.c (regsiter_pass): Delete function.
7498         (position_pass): Delete function.
7499         (added_pass_nodes): Delete variable.
7500         (prev_added_pass_nodes): Delete variable.
7501         (pass_list_node): Delete structure.
7502         * passes.c (make_pass_instance): New function.
7503         (next_pass_1): Change to call make_pass_instance.
7504         (pass_list_node): Move structure from gcc-plugin.h.
7505         (added_pass_nodes): Move variable from plugin.c.
7506         (prev_added_pass_nodes): Move variable from plugin.c.
7507         (position_pass): New function.
7508         (register_pass): New function.
7509
7510 2009-09-28  Easwaran Raman  <eraman@google.com>
7511
7512         * ifcvt.c (noce_try_abs): Recognize pattern and call
7513         expand_one_cmpl_abs_nojump.
7514         * optabs.c (expand_one_cmpl_abs_nojump): New function.
7515         * optabs.h (expand_one_cmpl_abs_nojump): Declare.
7516
7517 2009-09-28  Ian Lance Taylor  <iant@google.com>
7518
7519         PR middle-end/40500
7520         * c-opts.c (c_common_handle_option): Don't set
7521         warn_jump_misses_init for -Wall.
7522         * doc/invoke.texi (Warning Options): Update documentation.
7523
7524 2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7525
7526         * Makefile.in ($(out_object_file)): Depend on
7527         gt-$(basename $(notdir $(out_file))).h.
7528
7529 2009-09-28  Richard Henderson  <rth@redhat.com>
7530
7531         * except.h (struct eh_region_d): Add use_cxa_end_cleanup.
7532         * except.c (gen_eh_region): Set it.
7533         (duplicate_eh_regions_1): Copy it.
7534         * tree-eh.c (lower_resx): Use it to determine which function
7535         to call to resume.
7536
7537         * langhooks.h (struct lang_hooks): Add eh_use_cxa_end_cleanup.
7538         * langhooks-def.h (LANG_HOOKS_EH_USE_CXA_END_CLEANUP): New.
7539         * builtins.def (BUILT_IN_CXA_END_CLEANUP): New.
7540         * tree.c (build_common_builtin_nodes): Remove parameter.  Build
7541         BUILT_IN_CXA_END_CLEANUP if necessary.
7542
7543         * c-common.c (c_define_builtins): Update call to
7544         build_common_builtin_nodes.
7545
7546 2009-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7547
7548         * spu.c (get_branch_target): Return NULL for ASM_OPERANDS patterns.
7549
7550 2009-09-28  Michael Matz  <matz@suse.de>
7551
7552         * builtins.c (interclass_mathfn_icode): New helper.
7553         (expand_builtin_interclass_mathfn): Use it here, and split folding
7554         into ...
7555         (fold_builtin_interclass_mathfn): ... this new folder.
7556         (build_call_nofold_loc): New static helper.
7557         (build_call_nofold): New wrapper macro for above.
7558         (expand_builtin_int_roundingfn): Use it instead of build_call_expr.
7559         (expand_builtin_pow): Ditto.
7560         (expand_builtin_memset_args): Ditto.
7561         (expand_builtin_printf): Ditto.
7562         (expand_builtin_fprintf): Ditto.
7563         (expand_builtin_sprintf): Ditto.
7564         (expand_builtin_memory_chk): Ditto.
7565         (expand_builtin_mempcpy_args): Ditto and don't call folders.
7566         (expand_builtin_stpcpy): Ditto.
7567         (expand_builtin_strcmp): Ditto.
7568         (expand_builtin_strncmp): Ditto.
7569         (expand_builtin_strcpy): Remove FNDECL and MODE arguments.
7570         (expand_builtin_strcpy_args): Don't call folders.
7571         (expand_builtin_memcmp): Ditto.
7572         (expand_builtin_strncpy): Ditto, and use target.
7573         (expand_builtin_memcpy): Ditto.
7574         (expand_builtin_strstr, expand_builtin_strchr, expand_builtin_strrchr,
7575         expand_builtin_strpbrk, expand_builtin_memmove,
7576         expand_builtin_memmove_args, expand_builtin_bcopy,
7577         expand_builtin_memchr, expand_builtin_strcat, expand_builtin_strncat,
7578         expand_builtin_strspn, expand_builtin_strcspn,
7579         expand_builtin_fputs): Remove these.
7580         (expand_builtin): Don't call the above, change calls to other
7581         expanders that changed prototype.
7582         (fold_builtin_stpcpy): New folder split out from expand_builtin_stpcpy.
7583         (fold_builtin_1 <ISFINITE, ISINF, ISNORMAL>): Call
7584         fold_builtin_interclass_mathfn.
7585         (fold_builtin_2 <STPCPY>): Call fold_builtin_stpcpy.
7586         (fold_builtin_strcat): Add folding split from expand_builtin_strcat.
7587
7588         * fold-const.c (fold_binary_loc <NE_EXPR>): Add !exp != 0 -> !exp.
7589         * passes.c (init_optimization_passes): Move pass_fold_builtins
7590         after last phiopt pass.
7591         * tree-inline.c (fold_marked_statements): When folding builtins
7592         iterate over all instruction potentially generated.
7593         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Declare
7594         earlier.
7595         (fold_gimple_call): Use it to always fold calls (into potentially
7596         multiple instructions).
7597         * tree-ssa-dom.c (optimize_stmt): Resolve __builtin_constant_p
7598         calls into zero at this time.
7599         * tree-ssa-propagate.c (substitute_and_fold): Ignore multiple
7600         statements generated by builtin folding.
7601
7602 2009-09-28  Nick Clifton  <nickc@redhat.com>
7603
7604         * config/m32r/m32r.c (m32r_is_insn): Return false for debugging insns.
7605
7606 2009-09-28  Duncan Sands  <baldrick@free.fr>
7607
7608         * gcc-plugin.h (PLUGIN_REGISTER_GGC_CACHES): New event.
7609         * plugin.c (plugin_event_name): Add PLUGIN_REGISTER_GGC_CACHES.
7610         (register_callback): Dispatch it.
7611         (invoke_plugin_callbacks): Incorporate in sanity check.
7612         * ggc.h (ggc_register_cache_tab): Add declaration.
7613         * ggc-common.c (ggc_register_root_tab): Simplify.
7614         (const_ggc_cache_tab_t): New typedef.
7615         (extra_cache_vec): New vector of dynamically added cache tables.
7616         (ggc_register_cache_tab): New function.
7617         (ggc_scan_cache_tab): New function.
7618         (ggc_mark_roots): Simplify dynamic roots.  Handle dynamic caches.
7619         * doc/plugins.texi: Document PLUGIN_REGISTER_GGC_CACHES.
7620
7621 2009-09-27  Richard Henderson  <rth@redhat.com>
7622
7623         * tree-ssa-ccp.c (optimize_stack_restore): Relax the conditions under
7624         which we remove __builtin_stack_restore.
7625
7626 2009-09-27  Bernd Schmidt  <bernd.schmidt@analog.com>
7627
7628         * loop-iv.c (iv_analyze_op): Use function_invariant_p, not CONSTANT_P,
7629         to test for GRD_INVARIANT.
7630         (simple_rhs_p): Anything that's function_invariant_p is fine.
7631
7632 2009-09-27  Rafael Avila de Espindola  <espindola@google.com>
7633
7634         * gengtype.c (main): Use plunge_files instead of plugin_output.
7635
7636 2009-09-27  Basile Starynkevitch  <basile@starynkevitch.net>
7637             Rafael Avila de Espindola  <espindola@google.com>
7638
7639         * gengtype.c (write_root, write_roots): Add a emit_pch argument.
7640         Don't print pch related info if it is false.
7641         (main): Don't print pch info in plugin mode.
7642
7643 2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>
7644
7645         * dwarf2out.c (enum dw_val_class): Replace dw_val_class_long_long
7646         with dw_val_class_const_double.
7647         (struct dw_val_struct): Replace val_long_long with val_double and
7648         adjust for above change.
7649         (output_loc_operands): Likewise.
7650         (add_AT_long_long): Rename into...
7651         (add_AT_double): ...this.
7652         (print_die): Replace dw_val_class_long_long with
7653         dw_val_class_const_double and adjust.
7654         (attr_checksum): Likewise.
7655         (same_dw_val_p): Likewise.
7656         (size_of_die): Likewise.
7657         (value_format): Likewise.
7658         (output_die): Likewise.
7659         (loc_descriptor) <CONST_DOUBLE>: Likewise.
7660         (add_const_value_attribute) <CONST_DOUBLE>: Call add_AT_double
7661         instead of add_AT_long_long.
7662         (add_bound_info) <INTEGER_CST>: Generate the bound as an unsigned
7663         value with the precision of its type.
7664
7665 2009-09-27  Andreas Schwab  <schwab@linux-m68k.org>
7666
7667         PR c/41476
7668         * c-typeck.c (build_conditional_expr): Use the readonly and
7669         volatile flags of the operand types, not of the operands itself.
7670
7671 2009-09-27  Peter O'Gorman  <pogma@thewrittenword.com>
7672
7673         * collect2.c (main): Look for -brtl before adding libraries.
7674
7675 2009-09-27  Jonathan Gray  <jsg@openbsd.org>
7676
7677         * config.gcc: Update OpenBSD targets.
7678         * config/openbsd-stdint.h: New file.
7679         * config/openbsd-libpthread.h: New file.
7680         * config/openbsd.h: Update and break out LIB_SPEC definition.
7681         * config/alpha/openbsd.h: Overhaul to reflect ELF migration.
7682         * config/i386/openbsdelf.h: Correct types.
7683         * config/m68k/openbsd.h: Likewise.
7684         * config/mips/openbsd.h: Likewise.
7685         * config/vax/openbsd.h: Likewise.
7686
7687 2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>
7688
7689         * fold-const.c (maybe_lvalue_p): Return false for M(IN|AX)_EXPR.
7690         (extract_muldiv_1) <MINUS_EXPR>: Swap operands if necessary.
7691         * stor-layout.c (layout_type) <ARRAY_TYPE>: Do not take the maximum
7692         of the length and zero.
7693
7694 2009-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7695
7696         * Makefile.in (TOPLEV_H): Use $(INPUT_H) not input.h.
7697         (FLAGS_H): Add options.h $(REAL_H).
7698         (SEL_SCHED_IR_H): Add $(BITMAP_H) vecprim.h $(CFGLOOP_H).
7699         (TREE_VECTORIZER_H): New.
7700         (EBITMAP_H): Renamed from EBIMAP_H.
7701         (c-decl.o, c-objc-common.o, c-pretty-print.o, attribs.o, c-omp.o)
7702         (gtype-desc.o, ggc-common.o, ggc-page.o, ggc-zone.o, langhooks.o)
7703         (tree.o, tree-ssa-structalias.o, tree-ssa-ter.o, tree-ssanames.o)
7704         (tree-phinodes.o, tree-ssa-loop.o, tree-ssa-math-opts.o)
7705         (gimple-low.o, omp-low.o, sese.o, graphite-blocking.o)
7706         (graphite-clast-to-gimple.o, graphite-dependences.o)
7707         (graphite-interchange.o, graphite-poly.o, graphite-scop-detection.o)
7708         (graphite-sese-to-poly.o, tree-vect-loop.o, tree-vect-loop-manip.o)
7709         (tree-vect-patterns.o, tree-vect-slp.o, tree-vect-stmts.o)
7710         (tree-vect-data-refs.o, tree-vectorizer.o, gimple.o, tree-mudflap.o)
7711         (targhooks.o, stmt.o, emit-rtl.o, ipa.o, matrix-reorg.o, ipa-inline.o)
7712         (gcse.o, tree-ssa-ccp.o, df-byte-scan.o, vec.o, caller-save.o)
7713         (ira-build.o, ira-costs.o, ira-color.o, ira-emit.o, ira.o)
7714         (haifa-sched.o, sched-rgn.o, sel-sched.o, sel-sched-dump.o)
7715         (sel-sched-ir.o, final.o, $(out_object_file)): Dependencies
7716         updated and fixed as per above changes and per
7717         check_makefile_deps.sh output.
7718
7719         PR bootstrap/40928
7720         * configure.ac: Use $LIBS for '-ldl', not $LDFLAGS.
7721         * configure: Regenerate.
7722
7723 2009-09-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7724
7725         * doc/install.texi: Update minimum MPC version to 0.7.
7726
7727 2009-09-26  Gerald Pfeifer  <gerald@pfeifer.com>
7728
7729         * doc/install.texi (Binaries): Remove reference to the binary
7730         distribution CD-ROM from the FSF.
7731
7732 2009-09-26  Michael Matz  <matz@suse.de>
7733
7734         PR lto/40758
7735         PR middle-end/41470
7736         * tree-ssa-coalesce.c (coalesce_ssa_name): Add only SSA names
7737         that are mentioned in the body.
7738
7739 2009-09-26  Michael Matz  <matz@suse.de>
7740
7741         PR tree-optimization/41454
7742         * tree-ssa-dom (stmts_to_rescan): Remove variable.
7743         (tree_ssa_dominator_optimize): Don't allocate and free it.
7744         (dom_opt_leave_block): Don't iterate over it.
7745         (eliminate_redundant_computations): Don't return a value.
7746         (cprop_operand, cprop_into_stmt): Ditto.
7747         (optimize_stmt): Don't defer updating stmts.
7748
7749 2009-09-25  Dodji Seketeli  <dodji@redhat.com>
7750
7751         * dwarf2out.c (dwarf_tag_name, gen_generic_params_dies,
7752         generic_parameter_die, template_parameter_pack_die,
7753         gen_formal_parameter_die, gen_subprogram_die): Adjust after
7754         renaming DW_TAG_formal_parameter_pack and
7755         DW_TAG_template_parameter_pack into DW_TAG_GNU_formal_parameter_pack
7756         and DW_TAG_GNU_template_parameter_pack.
7757
7758 2009-09-25  Anatoly Sokolov  <aesok@post.ru>
7759
7760         * config/v850/v850.h (FUNCTION_VALUE): Remove.
7761         * config/v850/v850.c (v850_function_value): New function.
7762         (TARGET_FUNCTION_VALUE): Define.
7763
7764 2009-09-25  Jakub Jelinek  <jakub@redhat.com>
7765
7766         * tree-vect-stmts.c (vectorizable_call): Call
7767         mark_symbols_for_renaming after vect_finish_stmt_generation.
7768
7769         * dwarf2out.c (tls_mem_loc_descriptor): Pass 1 instead of 2
7770         to loc_descriptor_from_tree.
7771         (add_location_or_const_value_attribute): Pass 0 instead of 2
7772         for decl_by_reference_p decls.
7773
7774 2009-09-25  Richard Guenther  <rguenther@suse.de>
7775
7776         PR middle-end/41463
7777         * tree-dfa.c (get_ref_base_and_extent): Fix issue with trailing
7778         arrays again.
7779
7780 2009-09-25  Ben Elliston  <bje@au.ibm.com>
7781
7782         * doc/invoke.texi (RS/6000 and PowerPC Options): Add missing comma
7783         after `power7'.
7784
7785 2009-09-25  Alan Modra  <amodra@bigpond.net.au>
7786
7787         * config/rs6000/rs6000.md (load_toc_v4_PIC_3c): Correct POWER
7788         form of instruction.
7789
7790 2009-09-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7791
7792         PR middle-end/41435
7793         * fold-const.c (const_binop): Handle complex int division.
7794         * tree-complex.c (expand_complex_div_straight,
7795         expand_complex_div_wide): Update comments.
7796
7797 2009-09-24  DJ Delorie  <dj@redhat.com>
7798
7799         PR target/41456
7800         * config/m32c/m32c.h (REG_CLASS_CONTENTS): Add R13.
7801         (reg_class): Likewise.
7802         (REG_CLASS_NAMES): Likewise.
7803         * config/m32c/m32c.c (m32c_reg_class_from_constraint): Likewise.
7804         (m32c_override_options): Disable -fivopts for M32C.
7805
7806 2009-09-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
7807
7808         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7809         Delete VSX load/store with update support.
7810         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Ditto.
7811         * config/rs6000/vsx.md (vsx_mov<mode>): Ditto.
7812         (vsx_movti): Ditto.
7813         (VSX_U): Delete.
7814         (VSbit): Ditto.
7815         (VStype_load_update): Ditto.
7816         (VStype_store_update): Ditto.
7817         (vsx_load<VSX_U:mode>_update_<P:mptrsize>): Ditto.
7818         (vsx_store<VSX_U:mode>_update_<P:mptrsize>): Ditto.
7819
7820         * config/rs6000/rs6000.h (enum rs6000_builtins): Delete VSX
7821         load/store with update builtins.
7822
7823 2009-09-24  Kai Tietz  <kai.tietz@onevision.com>
7824
7825         * libgcc2.c (L_trampoline): Prototype for getpagesize
7826         and mprotect in WINNT case.
7827
7828 2009-09-24  Anatoly Sokolov  <aesok@post.ru>
7829
7830         * config/rs6000/rs6000.h (FUNCTION_VALUE): Remove macro.
7831         * config/rs6000/rs6000-protos.h (rs6000_function_value): Remove.
7832         * config/rs6000/rs6000.c (rs6000_function_value): Make static, add
7833         'outgoing' argument.
7834         (TARGET_FUNCTION_VALUE): Define.
7835
7836 2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
7837
7838         * config/darwin.h (DWARF2_DEBUGGING_INFO): Define as 1.
7839
7840 2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
7841
7842         PR bootstrap/41405
7843         * common.opt: Initialize dwarf_strict to -1.
7844         * toplev.c (process_options): Catch unset dwarf_strict
7845         and set to 0 for all targets not overriding.
7846         * config/darwin.c (darwin_override_options): Catch unset
7847         dwarf_strict and override to 1.
7848
7849 2009-09-24  Jeff Law  <law@redhat.com>
7850
7851         * tree-into-ssa.c (rewrite_into_ssa): Free interesting_blocks.
7852
7853 2009-09-24  Richard Guenther  <rguenther@suse.de>
7854
7855         PR tree-optimization/36143
7856         PR tree-optimization/38747
7857         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
7858         create VIEW_CONVERT_EXPRs for TBAA compatible accesses.
7859
7860 2009-09-24  Jakub Jelinek  <jakub@redhat.com>
7861
7862         PR bootstrap/41457
7863         * dwarf2out.c (add_const_value_attribute): For HIGH and CONST_FIXED,
7864         return false instead of gcc_unreachable ().  For CONST return the
7865         value returned by recursive call instead of always returning true.
7866         (tree_add_const_value_attribute): Return the value returned by
7867         add_const_value_attribute instead of always returning true if rtl
7868         is non-NULL.
7869
7870 2009-09-23  Justin Seyster  <jrseys@gmail.com>
7871
7872         * Makefile.in (PLUGIN_HEADERS): Include real.h.
7873
7874 2009-09-24  Jakub Jelinek  <jakub@redhat.com>
7875
7876         * cgraphunit.c (cgraph_lower_function): Revert last change.
7877         * targhooks.c (default_static_chain): Use !DECL_STATIC_CHAIN
7878         instead of DECL_NO_STATIC_CHAIN.
7879         * tree-cfg.c (verify_gimple_call): Likewise.
7880         * tree-nested.c (get_chain_decl, get_chain_field,
7881         convert_tramp_reference_op, convert_gimple_call): Likewise.
7882         (convert_all_function_calls): Likewise.  Always set or clear
7883         DECL_STATIC_CHAIN initially, for !n->outer clear it.
7884         (lower_nested_functions): Remove DECL_NO_STATIC_CHAIN checking code.
7885         * c-parser.c (c_parser_declaration_or_fndef): Set DECL_STATIC_CHAIN
7886         if nested.
7887         * print-tree.c (print_node): Handle DECL_STATIC_CHAIN instead of
7888         DECL_NO_STATIC_CHAIN.
7889         * config/i386/i386.c (ix86_static_chain): Use !DECL_STATIC_CHAIN
7890         instead of DECL_NO_STATIC_CHAIN.
7891         (ix86_function_regparm, find_drap_reg): Likewise.  Don't test
7892         decl_function_context.
7893         * varasm.c (initializer_constant_valid_p): Likewise.
7894         * tree.h (DECL_NO_STATIC_CHAIN): Renamed to ...
7895         (DECL_STATIC_CHAIN): ... this.
7896         * config/moxie/moxie.c (moxie_static_chain): Use !DECL_STATIC_CHAIN
7897         instead of DECL_NO_STATIC_CHAIN.
7898
7899 2009-09-23  Basile Starynkevitch  <basile@starynkevitch.net>
7900             Rafael Avila de Espindola  <espindola@google.com>
7901
7902         * gengtype.c (nb_plugin_files): Make it unsigned to match
7903         num_gt_files. Adjust other variables to avoid warnings.
7904         (main): Allocate an all zero lang_bitmap before each plugin file name
7905         to match regular file names.
7906
7907 2009-09-23  Richard Henderson  <rth@redhat.com>
7908
7909         * doc/tm.texi (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
7910         (TARGET_STATIC_CHAIN): Mention that this hook must be used for
7911         static chain passed in memory.
7912         * system.h (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Poison.
7913         * targhooks.c (default_static_chain): Don't handle STATIC_CHAIN,
7914         STATIC_CHAIN_INCOMING.  Issue a sorry if there's no
7915         STATIC_CHAIN_REGNUM defined.
7916
7917         * config/picochip/picochip-protos.h: s/class/klass/.
7918         * config/picochip/picochip.c (TARGET_STATIC_CHAIN): New.
7919         (picochip_static_chain): New.
7920         * config/picochip/picochip.h (STATIC_CHAIN): Remove.
7921         (STATIC_CHAIN_INCOMING): Remove.
7922
7923         * config/xtensa/xtensa.c (TARGET_STATIC_CHAIN): New.
7924         (xtensa_static_chain): New.
7925         * config/xtensa/xtensa.h (STATIC_CHAIN): Remove.
7926         (STATIC_CHAIN_INCOMING): Remove.
7927
7928 2009-09-23  Anatoly Sokolov  <aesok@post.ru>
7929
7930         * config/pa/pa.h (FUNCTION_VALUE): Remove macro.
7931         * config/pa/pa-protos.h (function_value): Remove.
7932         * config/pa/pa.c (pa_function_value): Rename from function_value.
7933         Make static, add 'outgoing' argument.
7934         (TARGET_FUNCTION_VALUE): Define.
7935
7936 2009-09-23  Anatoly Sokolov  <aesok@post.ru>
7937
7938         * config/avr/avr.c (avr_regs_to_save): Use current_function_is_leaf
7939         instead of cfun->machine->is_leaf.
7940         * config/avr/avr.h (machine_function): Remove is_leaf field.
7941
7942 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
7943
7944         PR debug/41439
7945         * dwarf2out.c (address_of_int_loc_descriptor): Don't emit
7946         DW_OP_piece after DW_OP_stack_value, adjust size calculations
7947         for it, when DW_OP_stack_value and DW_OP_implicit_value has
7948         the same size, prefer DW_OP_stack_value.
7949         (loc_descriptor, loc_list_for_address_of_addr_expr_of_indirect_ref,
7950         loc_list_from_tree): Don't emit DW_OP_piece after DW_OP_stack_value.
7951
7952 2009-09-23  Alexandre Oliva  <aoliva@redhat.com>
7953
7954         PR debug/41353
7955         * var-tracking.c (add_with_sets): Sort MO_VAL_LOC last among uses.
7956
7957 2009-09-23  Alexandre Oliva  <aoliva@redhat.com>
7958
7959         PR debug/41248
7960         * cfgexpand.c (convert_debug_memory_address): New.
7961         (expand_debug_expr): Convert base address and offset to the same
7962         mode.  Use it to convert addresses to other modes.  Accept
7963         ptr_mode addresses.
7964
7965 2009-09-23  Dodji Seketeli <dodji@redhat.com>
7966
7967         PR debug/41065
7968         * function.h (types_used_by_vars_hash): Declare new hash table.
7969         (types_used_by_vars_eq, types_used_by_var_decl_insert): Declare
7970         equality and hash function for the hash table.
7971         (types_used_by_cur_var_decl): Declare a new global chained list.
7972         (types_used_by_var_decl_insert): Declare new function.
7973         * function.c (types_used_by_vars_hash): Define the hashtable ...
7974         (types_used_by_vars_eq, types_used_by_vars_do_hash): ... as well as
7975         its equality and hash functions.
7976         (hash_types_used_by_vars_entry): New hash helper.
7977         (types_used_by_cur_var_decl): Define the global chained list.
7978         (used_types_insert): Update the list of types used by the global
7979         variable being parsed.
7980         (types_used_by_var_decl_insert): Define new function.
7981         * c-common.h (record_types_used_by_current_var_decl): Declare ...
7982         * c-common.c (record_types_used_by_current_var_decl): ... new
7983         function.
7984         * c-decl.c (finish_decl): Record the types used by the global
7985         variable declaration we've just parsed.
7986         * dwarf2out.c (premark_used_types): Insert a new line between
7987         comment and function.
7988         (premark_used_types_helper): Fix comment.
7989         (premark_types_used_by_global_vars_helper,
7990         premark_types_used_by_global_vars): New functions.
7991         (prune_unused_types): Do not prune types used by global variables.
7992
7993 2009-09-23  Richard Guenther  <rguenther@suse.de>
7994
7995         * alias.c (ao_ref_from_mem): Correct for negative MEM_OFFSET
7996         produced for bigendian targets with promoted subregs.
7997
7998 2009-09-23  Richard Guenther  <rguenther@suse.de>
7999
8000         * value-prof.c (gimple_ic): Purge old EH edges only after building
8001         the new ones.
8002
8003 2009-09-23  Nick Clifton  <nickc@redhat.com>
8004
8005         * config/arc/arc.c (arc_trampoline_init): Fix typo.
8006
8007 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
8008
8009         PR bootstrap/41405
8010         * doc/invoke.texi: Document -gstrict-dwarf and -gno-strict-dwarf.
8011
8012         PR bootstrap/41436
8013         * cgraphunit.c (cgraph_lower_function): Set DECL_NO_STATIC_CHAIN
8014         on non-nested functions.
8015
8016 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
8017             Jan Hubicka  <jh@suse.cz>
8018
8019         * dwarf2out.c (loc_list_plus_const): Only define if
8020         DWARF2_DEBUGGING_INFO.
8021         (address_of_int_loc_descriptor): Likewise.
8022
8023         PR debug/41411
8024         * dwarf2out.c (mem_loc_descriptor): Handle HIGH.
8025
8026 2009-09-23  Uros Bizjak  <ubizjak@gmail.com>
8027
8028         PR c/39779
8029         * c-typeck.c (build_binary_op) <short_shift>: Check that integer
8030         constant is more than zero.
8031
8032 2009-09-23  Alan Modra  <amodra@bigpond.net.au>
8033
8034         PR target/40473
8035         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Don't
8036         call final to emit non-scheduled prologue, instead insert at entry.
8037
8038 2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
8039             Joseph S. Myers  <joseph@codesourcery.com>
8040
8041         * doc/install.texi (*-*-freebsd*): Add proper format codes.
8042
8043 2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
8044             Rafael Avila de Espindola  <espindola@google.com>
8045
8046         * gengtype.c (is_file_equal): New function.
8047         (close_output_files): Use is_file_equal. Free of->buf.
8048
8049 2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
8050             Rafael Avila de Espindola  <espindola@google.com>
8051
8052         * gengtype.c (write_types, write_local): Add the output_header
8053         argument. Update all callers.
8054
8055 2009-09-22  Dodji Seketeli  <dodji@redhat.com>
8056
8057         * dwarf2out.c (template_parameter_pack_die,
8058         gen_formal_parameter_pack_die ): New functions.
8059         (make_ith_pack_parameter_name): Remove this function.
8060         (dwarf_tag_name): Support printing DW_TAG_template_parameter_pack and
8061         DW_TAG_formal_parameter_pack.
8062         (gen_generic_params_dies): Represent each template parameter pack
8063         by a DW_TAG_template_parameter_pack DIE. Argument pack elements are
8064         represented by usual DW_TAG_template_*_parameter DIEs that are
8065         children of the DW_TAG_template_parameter_pack element DIE.
8066         (generic_parameter_die): This doesn't deal with parameter pack
8067         names anymore. Don't generate DW_AT_name for some DIEs, e.g. children
8068         of parameter pack DIEs.
8069         (gen_formal_parameter_die): Add a flag to not emit DW_AT_name
8070         in certain cases, e.g. for pack elements.
8071         (gen_formal_types_die, gen_decl_die): Adjust usage of
8072         gen_formal_parameter_die.
8073         (gen_subprogram_die): Represent each function parameter pack by a
8074         DW_TAG_formal_parameter_pack DIE. Arguments of of the pack are
8075         represented by usual DW_TAG_formal_parameter DIEs that are children
8076         of the DW_TAG_formal_parameter_pack DIE. Remove references to
8077         ____builtin_va_alist decls as no part of the compiler uses those
8078         anymore.
8079         * langhooks.h (struct lang_hooks_for_decls): Add
8080         function_parm_expanded_from_pack_p, get_generic_function_decl
8081         and function_parameter_pack_p hooks.  Fix comment for
8082         get_innermost_generic_parms hook.
8083         * langhooks-def.h (LANG_HOOKS_FUNCTION_PARAMETER_PACK_P,
8084         LANG_HOOKS_FUNCTION_PARM_EXPANDED_FROM_PACK_P ): Declare new hook
8085         macros and use them to initialize lang_hook.
8086
8087 2009-09-22  Richard Henderson  <rth@redhat.com>
8088
8089         * system.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Poison.
8090         (TRAMPOLINE_ADJUST_ADDRESS): Poison.
8091         * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): Don't conditionalize
8092         on TRAMPOLINE_TEMPLATE.
8093         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): Don't conditionalize on
8094         TRAMPOLINE_ADJUST_ADDRESS.
8095         * targhooks.c (default_asm_trampoline_template): Remove.
8096         (default_trampoline_adjust_address): Remove.
8097         (default_trampoline_init): Don't handle INITIALIZE_TRAMPOLINE.
8098         * targhooks.h: Update decls.
8099
8100 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
8101
8102         * config/i386/cygming.h (TARGET_USE_JCR_SECTION): Enable.
8103         * config/i386/cygwin.h (LIBGCJ_SONAME): Define.
8104         * config/i386/mingw32.h (LIBGCJ_SONAME): Likewise.
8105
8106 2009-09-22  Alexandre Oliva  <aoliva@redhat.com>
8107
8108         PR debug/41295
8109         * reload1.c (reload): Reset debug insns with pseudos without
8110         equivalences.
8111
8112 2009-09-22  Janis Johnson  <janis187@us.ibm.com>
8113
8114         * config/i386/i386.c (ix86_scalar_mode_supported_p): Don't return
8115         unconditional true for decimal float modes.
8116         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Ditto.
8117         * config/s390/s390.c (s390_scalar_mode_supported_p): Ditto.
8118
8119 2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
8120
8121         * unwind-dw2-fde-glibc.c: Define and use USE_PT_GNU_EH_FRAME.
8122         Enable a new case for __FreeBSD__ >= 7.
8123         * crtstuff.c:  Define USE_PT_GNU_EH_FRAME for __FreeBSD__ >= 7.
8124         * config/t-freebsd: Define LIB2ADDEH and LIB2ADDEHDEP.
8125         * config/freebsd-spec.h: Conditionally define LINK_EH_SPEC
8126         and USE_LD_AS_NEEDED.
8127
8128         * doc/install.texi (*-*-freebsd*): Update target information.
8129
8130 2009-09-22  Richard Guenther  <rguenther@suse.de>
8131
8132         PR middle-end/41395
8133         * tree-dfa.c (get_ref_base_and_extent): Handle trailing
8134         arrays really properly.
8135
8136 2009-09-22  Richard Henderson  <rth@redhat.com>
8137
8138         PR target/41246
8139         * target.h (struct gcc_target): Add asm_out.trampoline_template,
8140         calls.static_chain, calls.trampoline_init,
8141         calls.trampoline_adjust_address.
8142         * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
8143         (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
8144         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
8145         * builtins.c (expand_builtin_setjmp_receiver): Use
8146         targetm.calls.static_chain; only clobber registers.
8147         (expand_builtin_init_trampoline): Use targetm.calls.trampoline_init;
8148         set up memory attributes properly for the trampoline block.
8149         (expand_builtin_adjust_trampoline): Use
8150         targetm.calls.trampoline_adjust_address.
8151         * calls.c (prepare_call_address): Add fndecl argument.  Use
8152         targetm.calls.static_chain.
8153         * df-scan.c (df_need_static_chain_reg): Remove.
8154         (df_get_entry_block_def_set): Use targetm.calls.static_chain;
8155         consolodate static chain handling.
8156         * doc/tm.texi: Document new hooks.
8157         * emit-rtl.c (static_chain_rtx, static_chain_incoming_rtx): Remove.
8158         (init_emit_regs): Don't initialize them.
8159         * expr.h (prepare_call_address): Update decl.
8160         * final.c (profile_function): Use targetm.calls.static_chain.
8161         * function.c (expand_function_start): Likewise.
8162         * rtl.h (static_chain_rtx, static_chain_incoming_rtx): Remove.
8163         * stmt.c (expand_nl_goto_receiver): Use targetm.calls.static_chain;
8164         only clobber registers.
8165         * targhooks.c (default_static_chain): New.
8166         (default_asm_trampoline_template, default_trampoline_init): New.
8167         (default_trampoline_adjust_address): New.
8168         * targhooks.h: Declare them.
8169         * varasm.c (assemble_trampoline_template): Use
8170         targetm.asm_out.trampoline_template.  Make the memory block const
8171         and set its size.
8172
8173         * config/alpha/alpha.c (alpha_trampoline_init): Rename from
8174         alpha_initialize_trampoline.  Make static.  Merge VMS parameter
8175         differences into the TARGET_ABI_OPEN_VMS code block.
8176         (TARGET_TRAMPOLINE_INIT): New.
8177         * config/alpha/alpha.h (TRAMPOLINE_TEMPLATE): Remove.
8178         (TRAMPOLINE_SECTION, INITIALIZE_TRAMPOLINE): Remove.
8179         * config/alpha/vms.h (TRAMPOLINE_SIZE, TRAMPOLINE_ALIGNMENT): Remove.
8180         (INITIALIZE_TRAMPOLINE): Remove.
8181
8182         * config/arc/arc.h (TRAMPOLINE_ALIGNMENT): New.
8183         (TRAMPOLINE_TEMPLATE): Merge with ...
8184         (INITIALIZE_TRAMPOLINE): ... this and move ...
8185         * config/arc/arc.c (arc_trampoline_init): ... here.
8186         (TARGET_TRAMPOLINE_INIT): New.
8187
8188         * config/arm/arm.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
8189         (TARGET_TRAMPOLINE_INIT, TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
8190         (arm_asm_trampoline_template): New.
8191         (arm_trampoline_init, arm_trampoline_adjust_address): New.
8192         * config/arm/arm.h (TRAMPOLINE_TEMPLATE, ARM_TRAMPOLINE_TEMPLATE,
8193         THUMB2_TRAMPOLINE_TEMPLATE, THUMB1_TRAMPOLINE_TEMPLATE): Move all
8194         code to arm_asm_trampoline_template.
8195         (TRAMPOLINE_ADJUST_ADDRESS): Move code to
8196         arm_trampoline_adjust_address.
8197         (INITIALIZE_TRAMPOLINE): Move code to arm_trampoline_init;
8198         adjust for target hook parameters.
8199
8200         * config/avr/avr.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE):
8201         Remove.
8202
8203         * config/bfin/bfin-protos.h (initialize_trampoline): Remove.
8204         * config/bfin/bfin.c (bfin_asm_trampoline_template): New.
8205         (bfin_trampoline_init): Rename from initialize_trampoline;
8206         make static; update for target hook parameters.
8207         (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
8208         * config/bfin/bfin.h (TRAMPOLINE_TEMPLATE): Move code to
8209         bfin_asm_trampoline_template.
8210         (INITIALIZE_TRAMPOLINE): Remove.
8211
8212         * config/cris/cris.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
8213         TARGET_TRAMPOLINE_INIT, cris_asm_trampoline_template,
8214         cris_trampoline_init): New.
8215         * config/cris/cris.h (TRAMPOLINE_TEMPLATE): Move code to
8216         cris_asm_trampoline_template.
8217         (INITIALIZE_TRAMPOLINE): Move code to cris_trampoline_init;
8218         adjust for target hook parameters.
8219
8220         * config/crx/crx.h (INITIALIZE_TRAMPOLINE): Remove.
8221
8222         * config/fr30/fr30.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
8223         TARGET_TRAMPOLINE_INIT, fr30_asm_trampoline_template,
8224         fr30_trampoline_init): New.
8225         * config/fr30/fr30.h (TRAMPOLINE_TEMPLATE): Move code to
8226         fr30_asm_trampoline_template.
8227         (INITIALIZE_TRAMPOLINE): Move code to fr30_trampoline_init;
8228         adjust for target hook parameters.
8229
8230         * config/frv/frv.c (TARGET_TRAMPOLINE_INIT): New.
8231         (frv_trampoline_init): Rename from frv_initialize_trampoline;
8232         make static, adjust arguments for TARGET_TRAMPOLINE_INIT hook.
8233         * config/frv/frv.h (INITIALIZE_TRAMPOLINE): Remove.
8234         * config/frv/frv-protos.h (frv_initialize_trampoline): Remove.
8235
8236         * config/h8300/h8300.c (h8300_trampoline_init): New.
8237         (TARGET_TRAMPOLINE_INIT): New.
8238         * config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Move code
8239         to h8300_trampoline_init and adjust for hook parameters.
8240
8241         * config/ia64/ia64-protos.h (ia64_initialize_trampoline): Remove.
8242         * config/ia64/ia64.c (TARGET_TRAMPOLINE_INIT): New.
8243         (ia64_trampoline_init): Rename from ia64_initialize_trampoline;
8244         make static; adjust for hook parameters.
8245         * config/ia64/ia64.h (INITIALIZE_TRAMPOLINE): Remove.
8246
8247         * config/iq2000/iq2000.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
8248         (TARGET_TRAMPOLINE_INIT): New.
8249         (iq2000_asm_trampoline_template, iq2000_trampoline_init): New.
8250         * config/iq2000/iq2000.h (TRAMPOLINE_TEMPLATE): Move code to
8251         iq2000_asm_trampoline_template.
8252         (INITIALIZE_TRAMPOLINE): Move code to iq2000_trampoline_init.
8253         (TRAMPOLINE_CODE_SIZE): New.
8254         (TRAMPOLINE_SIZE): Use it.
8255         (TRAMPOLINE_ALIGNMENT): Follow Pmode.
8256
8257         * config/m32c/m32c-protos.h (m32c_initialize_trampoline): Remove.
8258         * config/m32c/m32c.c (TARGET_TRAMPOLINE_INIT): New.
8259         (m32c_trampoline_init): Rename from m32c_initialize_trampoline;
8260         adjust for hook parameters.
8261         * config/m32c/m32c.h (INITIALIZE_TRAMPOLINE): Remove.
8262
8263         * config/m32r/m32r.c (TARGET_TRAMPOLINE_INIT): New.
8264         (m32r_trampoline_init): New.
8265         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Move code to
8266         m32r_trampoline_init.
8267
8268         * config/m68hc11/m68hc11.c (TARGET_TRAMPOLINE_INIT): New.
8269         (m68hc11_trampoline_init): Rename from m68hc11_initialize_trampoline;
8270         make static; update for hook parameters.
8271         * config/m68hc11/m68hc11-protos.h: Update.
8272         * config/m68hc11/m68hc11.h (INITIALIZE_TRAMPOLINE): Remove.
8273
8274         * config/mcore/mcore.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
8275         (TARGET_TRAMPOLINE_INIT): New.
8276         (mcore_function_value): Fix typo.
8277         (mcore_asm_trampoline_template, mcore_trampoline_init): New.
8278         * config/mcore/mcore.h (TRAMPOLINE_TEMPLATE): Move code
8279         to mcore_asm_trampoline_template.
8280         (INITIALIZE_TRAMPOLINE): Move code to mcore_trampoline_init.
8281
8282         * config/mep/mep.h (INITIALIZE_TRAMPOLINE): Remove.
8283         * config/mep/mep.c (TARGET_TRAMPOLINE_INIT): New.
8284         (mep_trampoline_init): Rename from mep_init_trampoline; make static;
8285         update for hook parameters.
8286         * config/mep/mep-protos.h (mep_init_trampoline): Remove.
8287
8288         * config/mips/mips.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
8289         mips_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
8290         mips_trampoline_init): New.
8291         * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Move code to
8292         mips_asm_trampoline_template.
8293         (INITIALIZE_TRAMPOLINE): Move code to mips_trampoline_init;
8294         update for hook parameters.
8295
8296         * gcc/config/mmix/mmix.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
8297         (TARGET_TRAMPOLINE_INIT): New.
8298         (mmix_trampoline_size): Remove.
8299         (mmix_asm_trampoline_template): Rename from mmix_trampoline_template;
8300         make static.  Remove out-of-date tetra vs octa comment.
8301         (mmix_trampoline_init): Rename from mmix_initialize_trampoline;
8302         make static; update for hook parameters.
8303         * config/mmix/mmix.h (TRAMPOLINE_TEMPLATE): Remove.
8304         (INITIALIZE_TRAMPOLINE): Remove.
8305         (TRAMPOLINE_SIZE): Use a constant instead of mmix_trampoline_size.
8306         (TRAMPOLINE_ALIGNMENT): New.
8307         * gcc/config/mmix/mmix-protos.h: Update.
8308
8309         * config/mn10300/mn10300.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
8310         mn10300_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
8311         mn10300_trampoline_init): New.
8312         * config/mn10300/mn10300.h (TRAMPOLINE_TEMPLATE): Move code to
8313         mn10300_asm_trampoline_template.
8314         (INITIALIZE_TRAMPOLINE): Move code to mn10300_trampoline_init.
8315
8316         * config/moxie/moxie.c (moxie_static_chain,
8317         moxie_asm_trampoline_template, moxie_trampoline_init,
8318         TARGET_STATIC_CHAIN, TARGET_ASM_TRAMPOLINE_TEMPLATE,
8319         TARGET_TRAMPOLINE_INIT): New.
8320         * config/moxie/moxie.h (INITIALIZE_TRAMPOLINE): Move code to
8321         moxie_trampoline_init.
8322         (TRAMPOLINE_TEMPLATE): Move code to moxie_asm_trampoline_template.
8323         (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
8324
8325         * gcc/config/pa/pa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
8326         pa_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
8327         pa_trampoline_init, TARGET_TRAMPOLINE_ADJUST_ADDRESS,
8328         pa_trampoline_adjust_address): New.
8329         * config/pa/pa.h (TRAMPOLINE_TEMPLATE): Move code to
8330         pa_asm_trampoline_template.
8331         (TRAMPOLINE_ALIGNMENT): New.
8332         (TRAMPOLINE_CODE_SIZE): Move to pa.c.
8333         (INITIALIZE_TRAMPOLINE): Move code to pa_trampoline_init;
8334         adjust for hook parameters.
8335         (TRAMPOLINE_ADJUST_ADDRESS): Move code to pa_trampoline_adjust_address.
8336
8337         * config/pdp11/pdp11.c (pdp11_trampoline_init): New.
8338         (TARGET_TRAMPOLINE_INIT): New.
8339         * config/pdp11/pdp11.h (TRAMPOLINE_TEMPLATE): Remove.
8340         (INITIALIZE_TRAMPOLINE): Move code to pdp11_trampoline_init.
8341
8342         * config/picochip/picochip.h (INITIALIZE_TRAMPOLINE): Remove.
8343
8344         * config/rs6000/rs6000-protos.h (rs6000_initialize_trampoline): Remove.
8345         * config/rs6000/rs6000.c (TARGET_TRAMPOLINE_INIT): New.
8346         (rs6000_trampoline_init): Rename from rs6000_initialize_trampoline;
8347         make static; adjust parameters for the hook.
8348         * config/rs6000/rs6000.h (INITIALIZE_TRAMPOLINE): Remove.
8349
8350         * config/s390/s390.c (s390_asm_trampoline_template): Rename from
8351         s390_trampoline_template; make static.
8352         (s390_trampoline_init): Rename from s390_initialize_trampoline;
8353         make static; adjust for target hook.
8354         (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
8355         * config/s390/s390-protos.h: Remove trampoline decls.
8356         * config/s390/s390.h (INITIALIZE_TRAMPOLINE): Remove.
8357         (TRAMPOLINE_TEMPLATE): Remove.
8358         (TRAMPOLINE_ALIGNMENT): New.
8359
8360         * config/score/score-protos.h (score_initialize_trampoline): Remove.
8361         * config/score/score.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
8362         (TARGET_TRAMPOLINE_INIT): New.
8363         (score_asm_trampoline_template): New.
8364         (score_trampoline_init): Rename from score_initialize_trampoline;
8365         make static; adjust for hook parameters.
8366         * config/score/score.h (TRAMPOLINE_TEMPLATE): Move code to
8367         score[37]_asm_trampoline_template.
8368         (INITIALIZE_TRAMPOLINE): Remove.
8369         * config/score/score3.c (score3_asm_trampoline_template): New.
8370         (score3_trampoline_init): Rename from score3_initialize_trampoline;
8371         adjust for target hook.
8372         * config/score/score7.c (score7_asm_trampoline_template): New.
8373         (score7_trampoline_init): Rename from score7_initialize_trampoline;
8374         adjust for target hook.
8375         * config/score/score3.h, config/score/score7.h: Update.
8376
8377         * config/sh/sh-protos.h (sh_initialize_trampoline): Remove.
8378         * config/sh/sh.c (TARGET_TRAMPOLINE_INIT): New.
8379         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
8380         (sh_trampoline_init): Rename from sh_initialize_trampoline;
8381         make static; adjust for target hook parameters.
8382         (sh_trampoline_adjust_address): New.
8383         * config/sh/sh.h (INITIALIZE_TRAMPOLINE): New.
8384         (TRAMPOLINE_ADJUST_ADDRESS): Move code to sh_trampoline_adjust_address.
8385
8386         * config/sparc/sparc.c (TARGET_TRAMPOLINE_INIT): New.
8387         (sparc32_initialize_trampoline): Rename from
8388         sparc_initialize_trampoline; make static; replace tramp parameter
8389         with m_tramp and update memory accesses.
8390         (sparc64_initialize_trampoline): Similarly.
8391         (sparc_trampoline_init): New.
8392         * config/sparc/sparc-protos.h: Remove trampoline decls.
8393         * config/sparc/sparc.h (INITIALIZE_TRAMPOLINE): Remove.
8394         * config/sparc/sparc.md (nonlocal_goto): Don't use static_chain_rtx.
8395
8396         * config/spu/spu.c (TARGET_TRAMPOLINE_INIT): New.
8397         (array_to_constant): Make ARR parameter const.
8398         (spu_trampoline_init): Rename from spu_initialize_trampoline;
8399         make static; update for hook parameters.
8400         * config/spu/spu-protos.h: Update decls.
8401         * config/spu/spu.h (INITIALIZE_TRAMPOLINE): Remove.
8402
8403         * config/stormy16/stormy16.c (xstormy16_trampoline_init): Rename
8404         from xstormy16_initialize_trampoline; make static; update for
8405         hook parameters.
8406         (TARGET_TRAMPOLINE_INIT): New.
8407         * config/stormy16/stormy16.h (INITIALIZE_TRAMPOLINE): Remove.
8408
8409         * config/v850/v850.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
8410         (TARGET_TRAMPOLINE_INIT): New.
8411         (v850_can_eliminate): Make static.
8412         (v850_asm_trampoline_template, v850_trampoline_init): New.
8413         * config/v850/v850.h (TRAMPOLINE_TEMPLATE): Move code to
8414         v850_asm_trampoline_template.
8415         (INITIALIZE_TRAMPOLINE): Move code to v850_trampoline_init
8416         and adjust for target hook parameters.
8417
8418         * config/vax/vax.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
8419         (TARGET_TRAMPOLINE_INIT): New.
8420         (vax_asm_trampoline_template, vax_trampoline_init): New.
8421         * config/vax/vax.h (TRAMPOLINE_TEMPLATE): Move code to
8422         vax_asm_trampoline_template.
8423         (INITIALIZE_TRAMPOLINE): Move code to vax_trampoline_init.
8424
8425         * config/xtensa/xtensa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
8426         (TARGET_TRAMPOLINE_INIT): New.
8427         (xtensa_asm_trampoline_template): Rename from
8428         xtensa_trampoline_template; make static.
8429         (xtensa_trampoline_init): Rename from xtensa_initialize_trampoline;
8430         make static; update for hook parameters.
8431         * config/xtensa/xtensa-protos.h: Remove trampoline decls.
8432         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Remove.
8433         (INITIALIZE_TRAMPOLINE): Remove.
8434
8435         * config/i386/i386.c (ix86_function_regparm): Do not issue an
8436         error for nested functions with regparm=3.
8437         (ix86_compute_frame_layout): Adjust frame pointer offset for
8438         ix86_static_chain_on_stack.
8439         (ix86_expand_prologue): Handle ix86_static_chain_on_stack.
8440         (ix86_emit_restore_reg_using_pop): Increment ix86_cfa_state->offset,
8441         don't reset to UNITS_PER_WORD.
8442         (ix86_emit_leave): Adjust ix86_cfa_state.
8443         (ix86_expand_epilogue): Handle ix86_static_chain_on_stack.
8444         (ix86_static_chain): New.
8445         (ix86_trampoline_init): Rename from x86_initialize_trampoline;
8446         make static; update for target hook parameters; use ix86_static_chain.
8447         (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
8448         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Remove.
8449         (INITIALIZE_TRAMPOLINE): Remove.
8450         (TRAMPOLINE_SIZE): Use 24 for 64-bit.
8451         (struct machine_function): Use BOOL_BITFIELD; rearrange bitfields
8452         to the end.  Add static_chain_on_stack.
8453         (ix86_static_chain_on_stack): New.
8454
8455         * config/m68k/m68k.c (TARGET_TRAMPOLINE_INIT): New.
8456         (m68k_output_mi_thunk): Don't use static_chain_rtx.
8457         (m68k_trampoline_init): New.
8458         * config/m68k/m68k.h (INITIALIZE_TRAMPOLINE): Move code to
8459         m68k_trampoline_init and adjust for hook parameters.
8460         * config/m68k/netbsd-elf.h (TRAMPOLINE_TEMPLATE): Remove.
8461         (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Remove.
8462
8463 2009-09-22  Jakub Jelinek  <jakub@redhat.com>
8464
8465         * config/rs6000/rs6000.c (bdesc_2arg): Fix CODE_FOR_vector_gt* codes
8466         for __builtin_altivec_vcmpgt{sb,uh,sh,uw}.
8467
8468         * reload1.c (reload): Call wrap_constant when substituting
8469         reg for equiv inside of DEBUG_INSNs.
8470
8471         PR bootstrap/41405
8472         * dwarf2out.c (base_type_die, record_type_tag, gen_subprogram_die,
8473         add_call_src_coords_attributes, add_high_low_attributes,
8474         gen_compile_unit_die, gen_type_die_with_usage force_decl_die,
8475         gen_decl_die, dwarf2out_imported_module_or_decl_1, dwarf2out_finish,
8476         dwarf2out_imported_module_or_decl): Avoid using DWARF3 additions
8477         when -gdwarf-2 -gstrict-dwarf.
8478         (loc_list_from_tree): Likewise.  Avoid using DWARF4 additions when
8479         -gdwarf-[23] -gstrict-dwarf.
8480         (address_of_int_loc_descriptor, loc_descriptor,
8481         loc_list_for_address_of_addr_expr_of_indirect_ref): Avoid using
8482         DWARF4 additions when -gdwarf-[23] -gstrict-dwarf.
8483         * common.opt (gno-strict-dwarf, gstrict-dwarf): New options.
8484
8485 2009-09-22  Richard Guenther  <rguenther@suse.de>
8486
8487         PR tree-optimization/41428
8488         * tree-ssa-ccp.c (ccp_fold_stmt): New function.
8489         (ccp_finalize): Pass it to substitute_and_fold.
8490
8491 2009-09-22  Richard Guenther  <rguenther@suse.de>
8492
8493         * tree-ssa-propagate.h (ssa_prop_fold_stmt_fn): Declare.
8494         (substitute_and_fold): Adjust prototype.
8495         * tree-vrp.c (vrp_evaluate_conditional): Make static.
8496         (simplify_stmt_using_ranges): Likewise.
8497         (fold_predicate_in): Move here from tree-ssa-propagate.c.
8498         (vrp_fold_stmt): New function.
8499         (vrp_finalize): Pass it to substitute_and_fold.
8500         * tree-flow.h (vrp_evaluate_conditional): Remove.
8501         (simplify_stmt_using_ranges): Likewise.
8502         * tree-ssa-ccp.c (ccp_finalize): Adjust call to substitute_and_fold.
8503         * tree-ssa-copy.c (fini_copy_prop): Likewise.
8504         * tree-ssa-propagate.c (struct prop_stats_d): Rename num_pred_folded
8505         member.
8506         (fold_predicate_in): Move to tree-vrp.c.
8507         (substitute_and_fold): Use the callback instead of calling into
8508         tree-vrp.c functions directly.
8509
8510 2009-09-22  Jakub Jelinek  <jakub@redhat.com>
8511
8512         * dwarf2out.c (address_of_int_loc_descriptor): Avoid signed/unsigned
8513         comparison warning on rs6000.
8514
8515         PR middle-end/41429
8516         * tree-cfg.c (remove_useless_stmts_tc): Call gsi_next (gsi) even for
8517         GIMPLE_EH_MUST_NOT_THROW cleanup.
8518         (verify_types_in_gimple_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
8519
8520 2009-09-22  Jack Howarth  <howarth@bromo.med.uc.edu>
8521
8522         PR middle-end/41260
8523         * gcc/config.gcc: Use darwin9.h and darwin10.h on darwin10 and later.
8524         * gcc/config/darwin10.h: Add file to pass -no_compact_unwind on
8525         LIB_SPEC for darwin10 and later since it always uses the unwinder in
8526         libSystem which is derived from the gcc 4.2.1 unwinder.
8527
8528 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
8529
8530         PR middle-end/41357
8531         * varasm.c (default_encode_section_info): Copy TLS model into
8532         sym_ref flags regardless of backend support for TLS, for all
8533         model types except TLS_MODEL_EMULATED.
8534
8535 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
8536
8537         PR bootstrap/41404
8538         * dwarf2out.c (mem_loc_descriptor): Punt on CONST_STRING until
8539         we can handle it correctly.
8540
8541 2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>
8542
8543         * doc/install.texi (os2): Remove section.
8544
8545 2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>
8546
8547         * doc/standards.texi (Objective-C): Adjust two URLs.
8548
8549 2009-09-21  Giuseppe Scrivano <gscrivano@gnu.org>
8550
8551         * tree-tailcall.c (process_assignment): Don't check if a
8552         multiplication or an addition are already present.
8553         (find_tail_calls): Combine multiple additions and multiplications.
8554         (adjust_accumulator_values): Emit accumulators.
8555
8556 2009-09-21  Kai Tietz  <kai.tietz@onevision.com>
8557
8558         * config/i386/i386.c (ix86_expand_epilogue): Adjust offset for
8559         xmm register restore.
8560
8561 2009-09-21  Jan Hubicka  <jh@suse.cz>
8562
8563         * dwarf2out.c (decl_loc_table_eq): Allow decl_loc_table to be NULL.
8564         (dwarf2out_abstract_function): NULLify decl_loc_table at begginig and
8565         restore at the end.
8566
8567 2009-09-21  Eric Botcazou  <ebotcazou@adacore.com>
8568
8569         * stor-layout.c (layout_type): Remove obsolete code.
8570
8571 2009-09-20  H.J. Lu  <hongjiu.lu@intel.com>
8572
8573         PR middle-end/41395
8574         * opts.c (decode_options): Don't turn on flag_ipa_sra for opt2.
8575
8576 2009-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8577
8578         PR middle-end/30789
8579         * builtins.c (do_mpc_arg2): Accept DO_NONFINITE parameter.
8580         (do_mpc_ckconv): Accept FORCE_CONVERT parameter.
8581         (fold_builtin_2, do_mpc_arg1): Update accordingly.
8582         * fold-const.c (const_binop): Likewise.
8583         * real.h (do_mpc_arg2): Update prototype.
8584
8585 2009-09-20  Jan Hubicka  <jh@suse.cz>
8586
8587         * dwarf2out.c (add_const_value_attribute): Return true if successful.
8588         (add_location_or_const_value_attribute): Rewrite using
8589         loc_list_from_tree.
8590         (tree_add_const_value_attribute): Return true if successful.
8591         (tree_add_const_value_attribute_for_decl): Likewise.
8592
8593         * dwarf2out.c (address_of_int_loc_descriptor): Break out from ...
8594         (loc_descriptor): ... here;
8595         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
8596         (cst_pool_loc_descr): Break out from ...; do not reffer constant
8597         pool items that was not marked for output.
8598         (loc_list_from_tree): ... here; handle special cases of ADDR_EXPR;
8599         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
8600         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
8601         handle ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, REALPART_EXPR,
8602         IMAGPART_EXPR; handle address of INTEGER_CST; improve handling of
8603         CONSTRUCTOR; handle REAL_CST, STRING_CST, COMPLEX_CST; use
8604         DW_OP_stack_value to get address of items that are not available
8605         as addresses.
8606         (dw_loc_list): Handle single element lists correctly.
8607
8608 2009-09-20  Kai Tietz  <kai.tietz@onevision.com>
8609             Pascal Obry  <obry@adacore.com>
8610
8611         * unwind-dw2-fde.c (classify_object_over_fdes):
8612         Cast the constant 1 to _Unwind_Ptr.
8613         (add_fdes): Likewise.
8614         (linear_search_fdes): Likewise.
8615
8616 2009-09-20  Eric Botcazou  <ebotcazou@adacore.com>
8617
8618         * stor-layout.c (set_sizetype): Avoid useless type copy.
8619
8620 2009-09-20  Richard Sandiford  <rdsandiford@googlemail.com>
8621
8622         * configure.ac (gcc_cv_ld_mips_personality_relaxation): New
8623         feature check.
8624         (HAVE_LD_PERSONALITY_RELAXATION): New macro definition.
8625         * configure, config.in: Regenerate.
8626         * dwarf2asm.c (eh_data_format_name): Handle DW_EH_PE_indirect |
8627         DW_EH_PE_absptr.
8628         * config/mips/mips.h (TARGET_WRITABLE_EH_FRAME): New macro.
8629         (ASM_PREFERRED_EH_DATA_FORMAT): Define.  Use MIPS_EH_INDIRECT
8630         for global data if the output could be used in a shared library.
8631         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
8632         to 0 if TARGET_WRITABLE_EH_FRAME.
8633
8634 2009-09-20  Paolo Bonzini <bonzini@gnu.org>
8635
8636         PR rtl-optimization/39886
8637         * combine.c (update_cfg_for_uncondjump): Set EDGE_FALLTHRU
8638         just when insn is equal to BB_END (bb).
8639
8640 2009-09-19  Adam Nemet  <anemet@caviumnetworks.com>
8641
8642         * config/mips/mips.opt (mrelax-pic-calls): New option.
8643         * config/mips/mips.c (mips_strip_unspec_address): Move it up in
8644         the file.
8645         (mips_unspec_call): Change "unspec_call" expander into this.
8646         (mips_strip_unspec_call): New function.
8647         (mips_got_load): Call mips_unspec_call instead of
8648         gen_unspec_call<mode>.
8649         (mips16_build_call_stub): Fix comment for fp_code.  Adjust call to
8650         MIPS_CALL.
8651         (mips_cfg_in_reorg): New function.
8652         (mips16_lay_out_constants): Use it to decide whether to call
8653         CFG-aware insn splitting.
8654         (r10k_insert_cache_barriers): Move CFG set-up code from here to
8655         mips_reorg.  Move DF set-up code from here ...
8656         (mips_df_reorg): ... to here.  Call r10k_insert_cache_barriers
8657         from here.
8658         (mips_reorg): Call mips_df_reorg instead of
8659         r10k_insert_cache_barriers.  Move CFG set-up code here from
8660         r10k_insert_cache_barriers.
8661         (mips_call_expr_from_insn): New function.
8662         (mips_pic_call_symbol_from_set): Likewise.
8663         (mips_find_pic_call_symbol): Likewise.
8664         (mips_annotate_pic_call_expr): Likewise.
8665         (mips_get_pic_call_symbol): Likewise.
8666         (mips_annotate_pic_calls): Likewise.
8667         (mips_override_options): Disable -mrelax-pic-calls unless PIC
8668         calls are used.
8669         (mips_set_mips16_mode): Disable -mrelax-pic-calls for MIPS16.
8670         * config/mips/mips-protos.h (mips_get_pic_call_symbol): Declare it.
8671         * config/mips/mips.h (MIPS_CALL): Use it to print the .reloc
8672         directive.
8673         * config/mips/mips.md (UNSPEC_CALL_ATTR): New unspec.
8674         (unspec_call<mode>): Remove it.
8675         (sibcall_internal, sibcall_value_internal,
8676         sibcall_value_multiple_internal, call_internal, call_split,
8677         call_value_internal, call_value_split,
8678         call_value_multiple_internal, call_value_multiple_split): Pass
8679         SIZE_OPNO to MIPS_CALL.
8680         (call_internal_direct, call_direct_split,
8681         call_value_internal_direct, call_value_direct_split): Pass -1 as
8682         SIZE_OPNO to MIPS_CALL.
8683         * configure.ac <mips*-*-*>: Add test for .reloc R_MIPS_JALR.
8684         * configure: Regenerate.
8685         * doc/invoke.texi (Option Summary): Add -mrelax-pic-calls
8686         and -mno-relax-pic-calls.
8687         (MIPS Options): Document -mrelax-pic-calls and -mno-relax-pic-calls.
8688
8689 2009-09-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8690
8691         PR bootstrap/35619
8692         * Makefile.in (stmp-fixinc): Ensure `include-fixed' is created
8693         in the directory this rule is called from, rather than the
8694         toplevel 'gcc' directory, to fix in-tree build.
8695
8696 2009-09-19  Chris Demetriou  <cgd@google.com>
8697
8698         PR preprocessor/28435:
8699         * c-opts.c (c_common_handle_option): For -MD and -MMD, indicate
8700         to cpplib that the preprocessor output is needed.
8701
8702 2009-09-19  Jakub Jelinek  <jakub@redhat.com>
8703
8704         * config/rs6000/rs6000.md (*save_gpregs_<mode>, *save_fpregs_<mode>,
8705         *restore_gpregs_<mode>, *return_and_restore_gpregs_<mode>,
8706         *return_and_restore_fpregs_<mode>,
8707         *return_and_restore_fpregs_aix_<mode>): Remove 'z' operand modifier.
8708
8709         PR bootstrap/41397
8710         * dwarf2out.c (mem_loc_descriptor) <case SUBREG>: Recurse
8711         instead of assuming it has always a REG inside of it.
8712
8713 2009-09-18  Gerald Pfeifer  <gerald@pfeifer.com>
8714
8715         * config/freebsd.h: Update comment on types.
8716         (WINT_TYPE): Define.
8717
8718 2009-09-18  Jason Merrill  <jason@redhat.com>
8719
8720         * c.opt: Add -fno-deduce-init-list.
8721
8722 2009-09-18  Neil Vachharajani  <nvachhar@google.com>
8723
8724         * value-prof.c (interesting_stringop_to_profile_p): Added output
8725         argument to indicate which parameter is the size parameter.
8726         * value-prof.c (gimple_stringop_fixed_value): Use
8727         INTERESTING_STRINGOP_TO_PROFILE_P to find size argument.
8728         * value-prof.c (gimple_stringops_transform): Update call sites to
8729         INTERESTING_STRINGOP_TO_PROFILE_P to reflect parameter change.
8730
8731 2009-09-18  Uros Bizjak  <ubizjak@gmail.com>
8732
8733         PR target/38288
8734         From David Binderman <dcb314@hotmail.com>:
8735         * gcc/config/i386/i386.c (ix86_function_regparm): Remove useless
8736         local variable f.  Remove stale comments.
8737         (ix86_compute_frame_layout): Remove useless local variable total_size.
8738         Remove #if 0'd code.
8739         (legitimate_address_p): Remove useless local variables
8740         reason_rtx and reason.
8741         (ix86_split_copysign_const): Remove useless local variable op1.
8742         (scale_counter): Remove useless local variable piece_size_mask.
8743
8744 2009-09-18  Jakub Jelinek  <jakub@redhat.com>
8745
8746         * stmt.c (expand_asm_operands): Set REG_ATTRS on the temporary from
8747         output decl.
8748
8749 2009-09-17  Michael Haubenwallner  <michael.haubenwallner@salomon.at>
8750
8751         PR target/40913
8752         * config/pa/t-hpux-shlib: Set soname in libgcc_s.sl.
8753
8754 2009-09-17  Jakub Jelinek  <jakub@redhat.com>
8755
8756         * c-decl.c (finish_struct): Adjust DECL_SOURCE_LOCATION of
8757         TYPE_STUB_DECL.
8758
8759 2009-09-17  Alexandre Oliva  <aoliva@redhat.com>
8760
8761         * dwarf2out.c (loc_descriptor): Emit DW_OP_stack_value and
8762         DW_OP_implicit_value even without dwarf_version 4.
8763
8764 2009-09-17  Jan Hubicka  <jh@suse.cz>
8765
8766         * dwarf2out.c: Include tree-pass.h and gimple.h.
8767         (loc_list_plus_const): New function.
8768         (loc_descriptor_from_tree_1): Rename to ...
8769         (loc_descriptor_from_tree): ... remove original.
8770         (loc_list_from_tree): New function.
8771         (add_AT_location_description): Accept location list.
8772         (tls_mem_loc_descriptor): Update call of loc_descriptor_from_tree.
8773         (concatn_mem_loc_descriptor): Remove.
8774         (mem_loc_descriptor): Handle CONCAT/CONCATN and VAR_LOCATION by
8775         returning NULL.
8776         (secname_for_decl): Move up.
8777         (hidden_reference_p): New function; break out from ...
8778         (loc_by_refernece): ... here; move up.
8779         (dw_loc_list): New function.
8780         (single_element_loc_list): New function.
8781         (single_element_loc_list_p): New function.
8782         (add_loc_descr_to_each): New function.
8783         (add_loc_list): New function.
8784         (loc_descr_from_tree): Make wraper of loc_list_from_tree.
8785         (loc_list_from_tree): Reroganized from loc_descr_from_tree;
8786         add diagnostics why expansion failed.
8787         (add_location_or_const_value_attribute): Support location lists.
8788         (add_bound_info): Likewise.
8789         (descr_info_loc): Update call of loc_descriptor_from_tree.
8790         (gen_variable_die): Work on location lists.
8791         * final.c (pass_final): Add dump file.
8792         * Makefile.in (dwarf2out.o): Add new dependencies.
8793
8794 2009-09-17  Janis Johnson  <janis187@us.ibm.com>
8795
8796         PR c/41049
8797         * real.c decimal_from_integer, decimal_integer_string): New.
8798         (real_from_integer): Use them as special case for decimal float.
8799         * config/dfp-bit.c (_si_to_sd, _usi_to_sd): Use default rounding.
8800         (_di_to_sd, _di_to_dd, _di_to_td, _udi_to_sd, _udi_to_dd, _udi_to_td):
8801         Do not append zero after the decimal point in string to convert.
8802
8803 2009-09-17  Alexander Monakov  <amonakov@ispras.ru>
8804
8805         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
8806         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
8807
8808 2009-09-17  Martin Jambor  <mjambor@suse.cz>
8809
8810         * common.opt (fipa-sra): New switch.
8811         * opts.c (decode_options): Turn flag_ipa_sra on for opt2.
8812         * timevar.def (TV_IPA_SRA): New timevar.
8813         * params.def (ipa-sra-ptr-growth-factor): New parameter.
8814         * doc/invoke.texi: Document -fipa-sra and ipa-sra-ptr-growth-factor.
8815         * tree-sra.c: Include cgraph.c.
8816         (enum sra_mode): Added SRA_MODE_EARLY_IPA.
8817         (struct access): Added fields stmt, grp_maybe_modified, grp_scalar_ptr
8818         and grp_not_necessarilly_dereferenced.
8819         (func_param_count): New variable.
8820         (encountered_apply_args): New variable.
8821         (bb_dereferences): New variable.
8822         (final_bbs): New variable.
8823         (no_accesses_representant): New variable.
8824         (no_accesses_p): New function.
8825         (dump_access): Dump the new fields.
8826         (sra_initialize): Set encountered_apply_args to false.
8827         (get_ssa_base_param): New function.
8828         (mark_parm_dereference): New function.
8829         (create_access): Caring for INIDRECT_REFs and different handling of
8830         varialble length accesses in early IPA SRA.  Store the stmt - a new
8831         parameter - to the new access.
8832         (build_access_from_expr_1): New parameter stmt, passed to
8833         create_access.  Handle INDIRECT_REFs.
8834         (build_access_from_expr): Pass the current statement to
8835         build_access_from_expr_1.
8836         (disqualify_ops_if_throwing_stmt): Trigger only in intraprocedural
8837         passes.
8838         (build_accesses_from_assign): Pass the current statement to
8839         build_access_from_expr_1.  Do not create assign links in IPA-SRA.
8840         (scan_function): Call handle_ssa_defs on phi nodes.  Set bits in
8841         final_bbs when necessary.  Check for calls to __builtin_apply_args.
8842         Fixup EH info if anythng was changed.
8843         (is_unused_scalar_param): New function.
8844         (ptr_parm_has_direct_uses): New function.
8845         (find_param_candidates): New function.
8846         (mark_maybe_modified): New function.
8847         (analyze_modified_params): New function.
8848         (propagate_dereference_distances): New function.
8849         (dump_dereferences_table): New function.
8850         (analyze_caller_dereference_legality): New function.
8851         (unmodified_by_ref_scalar_representative): New function.
8852         (splice_param_accesses): New function.
8853         (decide_one_param_reduction): New function.
8854         (enum ipa_splicing_result): New type.
8855         (splice_all_param_accesses): New function.
8856         (get_param_index): New function.
8857         (turn_representatives_into_adjustments): New function.
8858         (analyze_all_param_acesses): New function.
8859         (get_replaced_param_substitute): New function.
8860         (get_adjustment_for_base): New function.
8861         (replace_removed_params_ssa_names): New function.
8862         (sra_ipa_reset_debug_stmts): New function.
8863         (sra_ipa_modify_expr): New function.
8864         (sra_ipa_modify_assign): New function.
8865         (convert_callers): New function.
8866         (modify_function): New function.
8867         (ipa_sra_preliminary_function_checks): New function.
8868         (ipa_early_sra): New function.
8869         (ipa_early_sra_gate): New function.
8870         (pass_early_ipa_sra): New variable.
8871         * Makefile.in (tree-sra.o): Add cgraph.h to dependencies.
8872
8873 2009-09-17  Michael Matz  <matz@suse.de>
8874
8875         PR middle-end/41347
8876         * tree.c (build_type_attribute_qual_variant): Export.
8877         * tree.h (build_type_attribute_qual_variant): Declare.
8878         * tree-inline.c (remap_type_1): Use it to build variants with
8879         the original qualifiers and attributes.
8880
8881 2009-09-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8882
8883         * cfglayout.c (fixup_reorder_chain): Accept conditional jumps
8884         without a fallthrough edge.
8885
8886 2009-09-16  DJ Delorie  <dj@redhat.com>
8887
8888         * config/m32c/m32c.c (m32c_emit_epilogue): Check for R8C or M16C
8889         chip and ignore the "fast_interrupt" attribute if so.
8890
8891 2009-09-16  Richard Henderson  <rth@redhat.com>
8892
8893         PR middle-end/41360
8894         * cfgbuild.c (find_bb_boundaries): Really re-instate 2009-09-02
8895         barrier fix.
8896
8897 2009-09-16  Richard Henderson  <rth@redhat.com>
8898
8899         PR target/41246
8900         * tree-cfg.c (verify_gimple_call): Validate that gimple_call_chain
8901         is set only if DECL_NO_STATIC_CHAIN is unset.
8902         * tree-nested.c (iter_nestinfo_start, iter_nestinfo_next): New.
8903         (FOR_EACH_NEST_INFO): New.
8904         (walk_all_functions): Use it.
8905         (finalize_nesting_tree): Likewise.
8906         (unnest_nesting_tree): Likewise.
8907         (free_nesting_tree): Use iter_nestinfo_start, iter_nestinfo_next.
8908         (get_chain_decl, get_chain_field): Reset DECL_NO_STATIC_CHAIN.
8909         (convert_gimple_call): Early out if gimple_call_chain already set.
8910         (convert_all_function_calls): Iterate until no new functions
8911         require a static chain.
8912         (finalize_nesting_tree_1): Assert DECL_NO_STATIC_CHAIN is unset
8913         when building a trampoline.  Use dump_function_to_file instead
8914         of dump_function.
8915         (lower_nested_functions): Open dump_file.  Validate that decls
8916         that have DECL_NO_STATIC_CHAIN from the front end don't have that
8917         bit reset by this pass.
8918
8919 2009-09-16  Michael Matz  <matz@suse.de>
8920
8921         PR fortran/41212
8922         * tree.h (struct tree_decl_common): Add decl_restricted_flag,
8923         shorten decl_common_unused.
8924         (DECL_RESTRICTED_P): New accessor.
8925         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Use it
8926         to disambiguate marked decls and restrict pointers.
8927
8928 2009-09-16  Richard Henderson  <rth@redhat.com>
8929
8930         PR middle-end/41360
8931         * cfgbuild.c (find_bb_boundaries): Re-instate 2009-09-02 barrier fix.
8932
8933 2009-09-16  Jakub Jelinek  <jakub@redhat.com>
8934
8935         * integrate.c (set_block_abstract_flags): Call
8936         set_decl_abstract_flags also on BLOCK_NONLOCALIZED_VARs.
8937
8938 2009-09-16  Richard Guenther  <rguenther@suse.de>
8939
8940         PR middle-end/34011
8941         * tree-flow-inline.h (may_be_aliased): Compute readonly variables
8942         as non-aliased.
8943
8944 2009-09-16  DJ Delorie  <dj@redhat.com>
8945             Kaz Kojima  <kkojima@gcc.gnu.org>
8946
8947         * config/sh/sh.c (output_stack_adjust): Add new argument frame_p.
8948         (sh_expand_prologue): Update calls to output_stack_adjust.
8949         (sh_expand_epilogue): Likewise.
8950
8951 2009-09-15  Adam Nemet  <anemet@caviumnetworks.com>
8952
8953         PR bootstrap/41349
8954         * reorg.c (redundant_insn): Don't count notes or DEBUG_INSNs when
8955         trying to limit the extent of searches in the insn stream.
8956
8957 2009-09-15  Nathan Froyd  <froydnj@codesourcery.com>
8958             Jakub Jelinek  <jakub@redhat.com>
8959
8960         PR target/41175
8961         PR target/40677
8962         * config/rs6000/rs6000.c (no_global_regs_above): Fix precedence
8963         problem.
8964         (SAVRES_NOINLINE_GPRS_SAVES_LR, SAVRES_NOINLINE_FPRS_SAVES_LR,
8965         SAVRES_NOINLINE_FPRS_DOESNT_RESTORE_LR): New strategy bits.
8966         (rs6000_savres_strategy): Always save FP registers inline if the
8967         target doesn't support hardware double-precision.  Set the above
8968         bits in return value when needed.
8969         (rs6000_savres_routine_sym): Fix computation for cache selector.
8970         Mark the generated symbol as a function.  Rename exitp argument to
8971         lr.  Move code for determining the name of the symbol...
8972         (rs6000_savres_routine_name): ...here.  New function.  Add cases for
8973         getting the names right on AIX and 64-bit Linux.
8974         (savres_routine_name): New variable.
8975         (rs6000_make_savres_rtx): Rename exitp argument to lr.  Don't assert
8976         lr isn't set when savep.  Use r12 resp. r1 instead of r11 depending
8977         on what the target routine uses as a base register.  If savep && lr
8978         describe saving of r0 into memory slot.
8979         (rs6000_emit_prologue): Correct use of call_used_regs.  Fix out of
8980         line calls for AIX ABI.
8981         (rs6000_output_function_prologue): Use rs6000_savres_routine_name to
8982         determine FP save/restore functions.
8983         (rs6000_emit_stack_reset): Handle savres if sp_offset != 0 and
8984         frame_reg_rtx != sp_reg_rtx.  Use gen_add3_insn instead of
8985         gen_addsi3.
8986         (rs6000_emit_epilogue): Adjust computation of restore_lr.
8987         Duplicate restoration of LR and execute the appropriate one
8988         depending on whether GPRs are being restored inline.  Set r11 from
8989         offsetted frame_reg_rtx instead of sp_reg_rtx; if frame_reg_rtx is
8990         r11, adjust sp_offset.  Use gen_add3_insn instead of gen_addsi3.
8991         Fix out of line calls for AIX ABI.
8992         * config/rs6000/rs6000.md (*return_and_restore_fpregs_aix_<mode>):
8993         New insn.
8994         * config/rs6000/spe.md (*save_gpregs_spe): Use explicit match for
8995         register 11.
8996         (*restore_gpregs_spe): Likewise.
8997         (*return_and_restore_gpregs_spe): Likewise.
8998         * config/rs6000/linux64.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
8999         Define to empty string unconditionally.
9000         * config/rs6000/sysv4.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
9001         Define to empty string unconditionally.
9002         (GP_SAVE_INLINE, FP_SAVE_INLINE): Handle TARGET_64BIT the same as
9003         !TARGET_64BIT.
9004
9005 2009-09-15  Jan Hubicka  <jh@suse.cz>
9006
9007         * doc/invoke.texi (inline-insns-auto): Drop from 60 to 50.
9008         * params.def (inline-insns-auto): Likewise.
9009
9010 2009-09-15  Martin Jambor  <mjambor@suse.cz>
9011
9012         * ipa-inline.c (estimate_function_body_sizes): Dump info about
9013         individual statements only at TDF_DETAILS dump level.  Format
9014         source for 80 characters per line.
9015
9016 2009-09-15  Christian Bruel  <christian.bruel@st.com>
9017
9018         * regrename.c (do_replace): Update REG_DEAD notes.
9019
9020 2009-09-15  Revital Eres  <eres@il.ibm.com>
9021
9022         * doc/tm.texi (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Document.
9023         * targhooks.c (default_builtin_support_vector_misalignment):
9024         New builtin function.
9025         * targhooks.h (default_builtin_support_vector_misalignment):
9026         Declare.
9027         * target.h (builtin_support_vector_misalignment):
9028         New field in struct gcc_target.
9029         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Call
9030         new builtin function.
9031         * target-def.h (TARGET_SUPPORT_VECTOR_MISALIGNMENT):
9032         Define.
9033         * config/rs6000/rs6000.c
9034         (rs6000_builtin_support_vector_misalignment): New function.
9035         (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Define.
9036
9037 2009-09-15  Jie Zhang  <jie.zhang@analog.com>
9038
9039         * config/bfin/bfin.c (length_for_loop): Use NONDEBUG_INSN_P
9040         instead of INSN_P.
9041         (bfin_optimize_loop): Likewise.
9042         (bfin_gen_bundles): Likewise.
9043         (workaround_speculation): Likewise.
9044         (find_load): Return NULL_RTX for debug_insn.
9045
9046 2009-09-15  Uros Bizjak  <ubizjak@gmail.com>
9047
9048         * config/alpha/alpha.md (smaxsf3): Disable for IEEE mode.
9049         (sminsf3): Ditto.
9050
9051 2009-09-14  DJ Delorie  <dj@redhat.com>
9052
9053         * config/mep/mep.h (JUMP_TABLES_IN_TEXT_SECTION): Define.
9054         * config/mep/mep.c (mep_emit_cbranch): Don't use BEQZ/BNEI in
9055         VLIW mode.
9056
9057 2009-09-14  Richard Henderson  <rth@redhat.com>
9058             Jakub Jelinek  <jakub@redhat.com>
9059
9060         * builtins.c (expand_builtin_synchronize): Use gimple_build_asm_vec.
9061         * cfgbuild.c (make_edges): Handle asm goto.
9062         * cfglayout.c (fixup_reorder_chain): Likewise.
9063         * cfgrtl.c (patch_jump_insn): Likewise.
9064         * gimple-pretty-print.c (dump_gimple_asm): Likewise.
9065         * gimple.c (gimple_build_asm_1): Add and use nlabels parameter.
9066         (gimple_build_asm_vec): Add and use labels parameter.
9067         (gimple_build_asm): Remove.
9068         (walk_gimple_asm): Walk labels too.
9069         * gimple.def (GIMPLE_ASM): Update docs.
9070         * gimple.h: Update decls.
9071         (struct gimple_statement_asm): Change nc to use unsigned char;
9072         add nl member.
9073         (gimple_asm_nlabels): New.
9074         (gimple_asm_label_op, gimple_asm_set_label_op): New.
9075         * gimplify.c (gimplify_asm_expr): Copy labels from ASM_EXPR
9076         into gimple_build_asm_vec.
9077         * jump.c (mark_jump_label_asm): New.
9078         (mark_jump_label): Use it.
9079         (redirect_jump_1): Handle asm goto.
9080         (invert_jump_1): Soft fail if X is null.
9081         * recog.c (extract_asm_operands): New.
9082         (asm_noperands): Use it; handle asm labels.
9083         (decode_asm_operands): Use extract_asm_operands.
9084         (asm_operand_ok): Properly handle empty string.
9085         * reg-stack.c (get_asm_operands_in_out): Rename from
9086         get_asm_operand_n_inputs; use extract_asm_operands; return both
9087         inputs and outputs by reference; update all callers.
9088         * rtl.def (ASM_OPERANDS): Add label vector as operand 6.
9089         * rtl.h (ASM_OPERANDS_LABEL_VEC): New.
9090         (ASM_OPERANDS_LABEL_LENGTH, ASM_OPERANDS_LABEL): New.
9091         (ASM_OPERANDS_SOURCE_LOCATION): Renumber.
9092         (extract_asm_operands): Declare.
9093         * stmt.c (expand_asm_operands): Add and use labels parameter.
9094         (check_unique_operand_names): Likewise.
9095         (resolve_asm_operand_names, resolve_operand_name_1): Likewise.
9096         (expand_asm_stmt): Handle asm labels.
9097         * tree-cfg.c (make_gimple_asm_edges): New.
9098         (make_edges): Use it.
9099         (cleanup_dead_labels): Handle asm labels.
9100         (is_ctrl_altering_stmt): Likewise.
9101         (gimple_redirect_edge_and_branch): Likewise.
9102         * tree.def (ASM_EXPR): Add 5th operand.
9103         * tree.h (ASM_LABELS): New.
9104         (resolve_asm_operand_names): Update decl.
9105
9106         * c-parser.c (c_parser_asm_statement): Parse asm goto.
9107         (c_parser_asm_goto_operands): New.
9108         * c-tree.h (build_asm_expr): Update decl.
9109         * c-typeck.c (build_asm_expr): Add and use labels parameter.
9110         * doc/extend.texi: Document asm goto.
9111
9112 2009-09-14  Richard Henderson  <rth@redhat.com>
9113
9114         * except.h: Update declarations.
9115         (struct pointer_map_t): Forward declare.
9116         (ERT_UNKNOWN, ERT_THROW, ERT_CATCH): Remove.
9117         (struct eh_landing_pad_d, eh_landing_pad): New.
9118         (struct eh_catch_d, eh_catch): New.
9119         (struct eh_region_d): Remove next_region_sharing_label, aka,
9120         label, tree_label, landing_pad, post_landing_pad, resume,
9121         may_contain_throw.  Rename region_number to index.  Remove
9122         u.eh_catch, u.eh_throw.  Rename u.eh_try.eh_catch to first_catch.
9123         Add u.must_not_throw, landing_pads, exc_ptr_reg, filter_reg.
9124         (VEC(eh_landing_pad,gc)): New.
9125         (struct eh_status): Remove last_region_number.  Add lp_array,
9126         throw_stmt_table, ttype_data, ehspec_data.
9127         (ehr_next, FOR_ALL_EH_REGION_AT): New.
9128         (FOR_ALL_EH_REGION_FN, FOR_ALL_EH_REGION): New.
9129         * except.c (lang_protect_cleanup_actions): Return tree.
9130         (struct ehl_map_entry): Remove.
9131         (init_eh_for_function): Push zero entries for region and lp_array.
9132         (gen_eh_region): Add to region_array immediately.
9133         (gen_eh_region_catch): Operate on eh_catch objects.
9134         (gen_eh_landing_pad): New.
9135         (get_eh_region_may_contain_throw, get_eh_region_tree_label): Remove.
9136         (get_eh_region_no_tree_label, set_eh_region_tree_label): Remove.
9137         (get_eh_region_from_number, get_eh_region_from_number_fn): New.
9138         (get_eh_landing_pad_from_number_fn): New.
9139         (get_eh_landing_pad_from_number): New.
9140         (get_eh_region_from_lp_number_fn): New.
9141         (get_eh_region_from_lp_number): New.
9142         (expand_resx_stmt, note_eh_region_may_contain_throw): Remove.
9143         (get_exception_pointer, get_exception_filter): Remove.
9144         (collect_eh_region_array, can_be_reached_by_runtime): Remove.
9145         (current_function_has_exception_handlers): Simplify.
9146         (bring_to_root, eh_region_replaceable_by_p): Remove.
9147         (replace_region, hash_type_list, hash_eh_region): Remove.
9148         (eh_regions_equal_p, merge_peers, remove_unreachable_regions): Remove.
9149         (label_to_region_map, num_eh_regions): Remove.
9150         (get_next_region_sharing_label, must_not_throw_labels): Remove.
9151         (find_exception_handler_labels): Remove.
9152         (duplicate_eh_regions_0, find_prev_try): Remove.
9153         (struct duplicate_eh_regions_data): New.
9154         (duplicate_eh_regions_1): Rewrite.
9155         (duplicate_eh_regions): Return a pointer map instead of an
9156         integer offset.
9157         (copy_eh_region_1, copy_eh_region, push_reachable_handler): Remove.
9158         (redirect_eh_edge_to_label): Remove.
9159         (eh_region_outermost): Rewrite using eh_region pointers
9160         instead of integers.
9161         (add_ttypes_entry): Update for ttype_data move to eh_status.
9162         (add_ehspec_entry): Rewrite with VEC instead of varray.
9163         (assign_filter_values): Likewise.  Export.
9164         (build_post_landing_pads, connect_post_landing_pads): Remove.
9165         (dw2_build_landing_pads): Rewrite to use lp_array.
9166         (struct sjlj_lp_info, sjlj_find_directly_reachable_regions): Remove.
9167         (sjlj_assign_call_site_values): Rewrite to use lp_array.
9168         (sjlj_emit_dispatch_table, sjlj_build_landing_pads): Likewise.
9169         (sjlj_mark_call_sites): Update for landing pad numbers.
9170         (finish_eh_generation): Rewrite.
9171         (gate_handle_eh): Do nothing for no eh tree.
9172         (pass_rtl_eh): Move up near finish_eh_generation.
9173         (remove_eh_landing_pad): New.
9174         (remove_eh_handler): Export.
9175         (remove_eh_region, remove_eh_handler_and_replace): Remove.
9176         (for_each_eh_label): Rewrite to use lp_array.
9177         (make_reg_eh_region_note): New.
9178         (make_reg_eh_region_note_nothrow_nononlocal): New.
9179         (insn_could_throw_p): New.
9180         (copy_reg_eh_region_note_forward): New.
9181         (copy_reg_eh_region_note_backward): New.
9182         (check_handled, add_reachable_handler): Remove.
9183         (reachable_next_level, foreach_reachable_handler): Remove.
9184         (arh_to_landing_pad, arh_to_label, reachable_handlers): Remove.
9185         (get_eh_region_and_lp_from_rtx): New.
9186         (get_eh_region_from_rtx): New.
9187         (can_throw_internal_1, can_throw_external_1): Remove.
9188         (can_throw_internal): Use get_eh_region_from_rtx.
9189         (can_throw_external): Use get_eh_region_and_lp_from_rtx.
9190         (insn_nothrow_p, can_nonlocal_goto): New.
9191         (expand_builtin_eh_common, expand_builtin_eh_pointer): New.
9192         (expand_builtin_eh_filter, expand_builtin_eh_copy_values): New.
9193         (add_action_record): Use VEC not varray.
9194         (collect_one_action_chain): Update for eh_region changes.
9195         (convert_to_eh_region_ranges): Make static.  Use VEC not varray.
9196         Use get_eh_region_and_lp_from_rtx.
9197         (gate_convert_to_eh_region_ranges): New.
9198         (pass_convert_to_eh_region_ranges): Use it.
9199         (push_uleb128, push_sleb128): Use VEC not varray.
9200         (output_one_function_exception_table): Likewise.
9201         (dump_eh_tree): Update for eh_region changes.
9202         (verify_eh_tree): Likewise.
9203         (verify_eh_region, default_init_unwind_resume_libfunc): Remove.
9204         * tree-eh.c: Include target.h.
9205         (add_stmt_to_eh_lp_fn): Rename from add_stmt_to_eh_region_fn.
9206         Don't disallow GIMPLE_RESX; adjust argument check.
9207         (add_stmt_to_eh_lp): Rename from add_stmt_to_eh_region.
9208         (record_stmt_eh_region): Update for landing pad numbers;
9209         generate a landing pad if necessary.
9210         (remove_stmt_from_eh_lp): Rename from remove_stmt_from_eh_region.
9211         (remove_stmt_from_eh_lp_fn): Similarly.
9212         (lookup_stmt_eh_lp_fn): Rename from lookup_stmt_eh_region_fn.
9213         Update for lp numbers; don't special case missing throw_stmt_table.
9214         (lookup_expr_eh_lp): Similarly.
9215         (lookup_stmt_eh_lp): Rename from lookup_stmt_eh_region.
9216         (eh_seq, eh_region_may_contain_throw): New.
9217         (struct leh_state): Add ehp_region.
9218         (struct leh_tf_state): Remove eh_label.
9219         (emit_post_landing_pad): New.
9220         (emit_resx, emit_eh_dispatch): New.
9221         (note_eh_region_may_contain_throw): New.
9222         (frob_into_branch_around): Take eh_region not eh label;
9223         emit eh code into eh_seq.
9224         (honor_protect_cleanup_actions): Early exit for no actions.  Don't
9225         handle EXC_PTR_EXPR, FILTER_EXPR.  Use gimple_build_eh_must_not_throw,
9226         lower_eh_must_not_throw.  Emit code to eh_seq.
9227         (lower_try_finally_nofallthru): Emit eh code to eh_seq.
9228         (lower_try_finally_onedest): Likewise.
9229         (lower_try_finally_copy): Likewise.
9230         (lower_try_finally_switch): Likewise.
9231         (lower_try_finally): Initialize ehp_region.
9232         (lower_catch): Update for eh_catch objects.
9233         (lower_eh_filter): Don't handle must_not_throw.
9234         (lower_eh_must_not_throw): New.
9235         (lower_cleanup): Don't set eh_label.
9236         (lower_eh_constructs_2): Resolve eh builtins.
9237         Handle GIMPLE_EH_MUST_NOT_THROW.
9238         (lower_eh_constructs): Initialize eh_region_may_contain_throw.
9239         Add eh_seq to the end of the function body.
9240         (make_eh_dispatch_edges): New.
9241         (make_eh_edge): Remove.
9242         (make_eh_edges): Simplify for landing pads.
9243         (redirect_eh_edge_1): New.
9244         (redirect_eh_edge): Use it.
9245         (redirect_eh_dispatch_edge): New.
9246         (stmt_could_throw_p): Use a switch.  Allow RESX.
9247         (stmt_can_throw_external): Use lookup_stmt_eh_lp.
9248         (stmt_can_throw_internal): Likewise.
9249         (maybe_clean_eh_stmt_fn, maybe_clean_eh_stmt): New.
9250         (maybe_clean_or_replace_eh_stmt): Update for landing pads.
9251         (maybe_duplicate_eh_stmt_fn, maybe_duplicate_eh_stmt): New.
9252         (gate_refactor_eh): New.
9253         (pass_refactor_eh): Use it.
9254         (lower_resx, execute_lower_resx, pass_lower_resx): New.
9255         (lower_eh_dispatch, execute_lower_eh_dispatch): New.
9256         (gate_lower_ehcontrol, pass_lower_eh_dispatch): New.
9257         (remove_unreachable_handlers): Rename from
9258         tree_remove_unreachable_handlers; rewrite for landing pads;
9259         call remove_eh_handler directly.
9260         (remove_unreachable_handlers_no_lp): New.
9261         (unsplit_eh, unsplit_all_eh): New.
9262         (tree_empty_eh_handler_p, all_phis_safe_to_merge): Remove.
9263         (cleanup_empty_eh_merge_phis, cleanup_empty_eh_move_lp): New.
9264         (cleanup_empty_eh_unsplit): New.
9265         (cleanup_empty_eh): Rewrite.
9266         (cleanup_all_empty_eh): New.
9267         (execute_cleanup_eh): Rename from cleanup_eh.  Remove unreachable
9268         handlers first.  Use unsplit_all_eh, cleanup_all_empty_eh.
9269         (gate_cleanup_eh): New.
9270         (pass_cleanup_eh): Use it.
9271         (verify_eh_edges): Move later in file.  Expect one EH edge.
9272         (verify_eh_dispatch_edge): New.
9273
9274         * Makefile.in (FUNCTION_H): Use vecprim.h, not varray.h.
9275         (gtype-desc.o): Add TARGET_H.
9276         (tree.o): Use EXCEPT_H, not except.h.
9277         (cfgbuild.o): Add EXPR_H.
9278         (GTFILES): Add vecprim.h.
9279         * builtins.c (expand_builtin): Handle BUILT_IN_EH_POINTER,
9280         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES.
9281         * builtins.def (BUILT_IN_UNWIND_RESUME, BUILT_IN_EH_POINTER,
9282         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES): New.
9283         * calls.c (emit_call_1): Use make_reg_eh_region_note.
9284         * cfgbuild.c (control_flow_insn_p): Use can_nonlocal_goto; tidy
9285         calls to can_throw_internal.
9286         (rtl_make_eh_edge): Use get_eh_landing_pad_from_rtx.
9287         (make_edges): Don't handle RESX; use can_nonlocal_goto.
9288         * cfgexpand.c (expand_gimple_stmt_1): Don't handle RESX.
9289         (expand_gimple_stmt): Use make_reg_eh_region_note.
9290         (expand_debug_expr): Don't handle EXC_PTR_EXPR and FILTER_EXPR.
9291         (gimple_expand_cfg): Don't call convert_from_eh_region_ranges,
9292         or find_exception_handler_labels.
9293         * cfgrtl.c (rtl_verify_flow_info_1): Don't handle RESX.  Assert
9294         there is exacly one EH edge.  Use can_nonlocal_goto and
9295         can_throw_internal.
9296         * cgraphunit.c (update_call_expr): Use maybe_clean_eh_stmt_fn.
9297         (cgraph_materialize_all_clones): Use maybe_clean_or_replace_eh_stmt.
9298         * combine.c (can_combine_p, try_combine): Use insn_nothrow_p.
9299         * cse.c (count_reg_usage, insn_live_p): Use insn_could_throw_p.
9300         * dce.c (deletable_insn_p_1): Don't test may_trap_p.
9301         (deletable_insn_p): Use insn_nothrow_p; reorder nonjump insn test.
9302         * dse.c (scan_insn): Use insn_could_throw_p.
9303         * emit-rtl.c (try_split): Use copy_reg_eh_region_note_backward.
9304         * expr.c (expand_expr_real): Use make_reg_eh_region_note.
9305         (expand_expr_real_1): Don't handle RESX, EXC_PTR, or FILTER_EXPR.
9306         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't handle
9307         EXC_PTR_EXPR or FILTER_EXPR.
9308         (tree_expr_nonzero_warnv_p): Likewise.
9309         * function.h: Include vecprim.h, not varray.h
9310         (struct rtl_eh): Remove filter, exc_ptr, built_landing_pad members;
9311         move ttype_data and ehspec_data members to struct eh_status; change
9312         action_record_data member to a VEC.
9313         * gcse.c (hash_scan_set): Use can_throw_internal.
9314         * gengtype.c (open_base_files): Add target.h to gtype-desc.c.
9315         * gimple-iterator.c (gsi_replace): Use maybe_clean_or_replace_eh_stmt.
9316         * gimple-low.c (lower_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
9317         (block_may_fallthru): Don't handle RESX_EXPR.
9318         * gimple-pretty-print.c (dump_gimple_label): Dump EH_LANDING_PAD_NR.
9319         (dump_gimple_eh_must_not_throw, dump_gimple_eh_dispatch): New.
9320         (dump_gimple_stmt): Dump landing pad information with TDF_EH;
9321         handle GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH.
9322         * gimple.c (gss_for_code): Handle GIMPLE_EH_MUST_NOT_THROW,
9323         GIMPLE_EH_DISPATCH, GIMPLE_RESX.
9324         (gimple_size): Likewise.
9325         (gimple_build_eh_dispatch, gimple_build_eh_must_not_throw): New.
9326         (gimple_build_resx): Use gimple_build_with_ops.
9327         (DEFTREECODE): Don't handle EXC_PTR_EXPR, FILTER_EXPR.
9328         (is_gimple_val): Likewise.
9329         (is_gimple_stmt): Remove RESX_EXPR.
9330         * gimple.def (GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH): New.
9331         (GIMPLE_RESX): Reorder with other EH constructs.
9332         * gimple.h (struct gimple_statement_eh_mnt): New.
9333         (struct gimple_statement_eh_ctrl): Rename from gimple_statement_resx.
9334         (gimple_eh_filter_must_not_throw): Remove.
9335         (gimple_eh_filter_set_must_not_throw): Remove.
9336         (gimple_eh_must_not_throw_fndecl): New.
9337         (gimple_eh_dispatch_region, gimple_eh_dispatch_set_region): New.
9338         (is_gimple_resx): New.
9339         * gimplify.c (gimplify_expr): Don't handle EXC_PTR_EXPR, RESX_EXPR.
9340         Don't copy EH_FILTER_MUST_NOT_THROW.
9341         * gsstruct.def (GSS_EH_MNT, GSS_EHCONTROL): New.
9342         * ipa-inline.c (estimate_function_body_sizes): Don't try to
9343         handle must_not_throw_labels specially.
9344         * ipa-pure-const.c (check_call): Update debug statement for LP.
9345         * ipa-type-escape.c (check_operand): Don't handle EXC_PTR or FILTER.
9346         * ipa-utils.c (get_base_var): Likewise.
9347         * libfunc.h (LTI_unwind_resume, unwind_resume_libfunc): Remove.
9348         * lower-subreg.c (move_eh_region_note): Remove.
9349         (resolve_simple_move): Use copy_reg_eh_region_note_forward.
9350         * omp-low.c (new_omp_context): Update for eh_lp_nr.
9351         (create_task_copyfn): Likewise.
9352         (maybe_catch_exception): Use gimple_build_eh_filter.
9353         * optabs.c (emit_libcall_block): Update test for no-nonlocal-goto
9354         REG_EH_REGION.  Use make_reg_eh_region_note_nothrow_nononlocal.
9355         * passes.c (init_optimization_passes): Add pass_lower_eh_dispatch
9356         and pass_lower_resx.
9357         * print-tree.c (print_node): Dump EH_LANDING_PAD_NR.
9358         * recog.c (peephole2_optimize): Use copy_reg_eh_region_note_backward,
9359         can_throw_internal, can_nonlocal_goto.
9360         * reload1.c (fixup_eh_region_note): Use insn_could_throw_p,
9361         copy_reg_eh_region_note_forward.
9362         (emit_input_reload_insns): Use copy_reg_eh_region_note_forward.
9363         (emit_output_reload_insns): Likewise.
9364         (copy_eh_notes): Remove.
9365         * rtl.def (RESX): Remove.
9366         * rtl.h: Update declarations.
9367         * sese.c (graphite_copy_stmts_from_block): Use maybe_duplicate_eh_stmt.
9368         * tree-cfg.c (make_edges): Handle GIMPLE_EH_DISPATCH.
9369         (update_eh_label): Remove.
9370         (cleanup_dead_labels_eh): New.
9371         (cleanup_deal_labels): Use it instead of update_eh_label.
9372         (gimple_merge_blocks): Update landing pad data structure when
9373         removing a landing pad label.
9374         (remove_useless_stmts_tc): Remove gimple_eh_filter_must_not_throw
9375         test; handle GIMPLE_EH_MUST_NOT_THROW.
9376         (is_ctrl_altering_stmt): Handle GIMPLE_EH_DISPATCH.
9377         (verify_gimple_assign_single): Don't handle EXC_PTR or FILTER_EXPR.
9378         (verify_types_in_gimple_stmt): Handle GIMPLE_EH_DISPATCH.
9379         (verify_stmt): Likewise.  Verify landing pads.
9380         (gimple_redirect_edge_and_branch): Handle GIMPLE_EH_DISPATCH.
9381         (gimple_duplicate_bb): Use maybe_duplicate_eh_stmt.
9382         (struct move_stmt_d): Add eh_map.
9383         (move_stmt_eh_region_nr, move_stmt_eh_region_tree_nr): New.
9384         (move_stmt_r): Remap eh region numbers in builtin calls,
9385         resx and eh_dispatch.
9386         (move_block_to_fn): Remove eh_offset parameter.  Use
9387         maybe_duplicate_eh_stmt_fn.
9388         (find_outermost_region_in_block): Operate on eh_region pointers
9389         instead of region numbers.
9390         (move_sese_region_to_fn): Expect eh_map instead of eh_offset from
9391         duplicate_eh_regions.
9392         * tree-cfgcleanup.c (tree_forwarder_block_p): Move entry block edge
9393         test earlier.  Disallow EH landing pads.
9394         * tree-cfa.c (create_tree_common_ann): Don't set ann->rn.
9395         * tree-flow.h: Update declarations.
9396         (struct tree_ann_common_d): Replace rn with lp_nr.
9397         * tree-inline.c (copy_tree_body_r): Don't handle RESX_EXPR.
9398         (remap_eh_region_nr, remap_eh_region_tree_nr): New.
9399         (remap_gimple_stmt): Remap eh region numbers in builtin calls,
9400         resx and eh_dispatch.
9401         (copy_bb): Use maybe_duplicate_eh_stmt_fn.
9402         (copy_edges_for_bb): Use make_eh_dispatch_edges.
9403         (copy_cfg_body): Expect eh_map instead of eh_region_offset
9404         from duplicate_eh_regions.
9405         (estimate_num_insns): Don't handle EXC_PTR_EXPR or FILTER_EXPR;
9406         update RESX; handle EH_DISPATCH.
9407         (expand_call_inline): Set eh_lp_nr, not eh_region.
9408         (maybe_inline_call_in_expr): Likewise.
9409         * tree-inline.h (struct copy_body_data): Replace eh_region with
9410         eh_lp_nr, eh_region_offset with eh_map.
9411         * tree-optimize.c (execute_fixup_cfg): Use maybe_clean_eh_stmt.
9412         * tree-pass.h (pass_lower_eh_dispatch, pass_lower_resx): New.
9413         * tree-pretty-print.c (dump_generic_node): Don't handle
9414         EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR.
9415         * tree-sra.c (scan_function): Use maybe_clean_eh_stmt.
9416         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Don't handle
9417         EXC_PTR_EXPR, FILTER_EXPR.
9418         * tree-ssa-operands.c (get_expr_operands): Likewise.
9419         * tree-ssa-propagate.c (valid_gimple_rhs_p): Likewise.
9420         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
9421         (ao_ref_init_from_vn_reference): Likewise.
9422         * tree-ssa-sink.c (statement_sink_location): Likewise.
9423         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
9424         (mark_virtual_phi_result_for_renaming): Export.  Tidy.
9425         * tree-ssa-pre.c (get_or_alloc_expr_for): Don't handle
9426         EXC_PTR_EXPR, FILTER_EXPR.
9427         (is_exception_related): Remove.
9428         (compute_avail): Don't call it.
9429         * tree-ssa-structalias.c: Remove VEC definitions for int and unsigned.
9430         * tree.c (find_decls_types_in_eh_region): Update for eh_region changes.
9431         (find_decls_types_in_node): Use FOR_ALL_EH_REGION_FN.
9432         (build_common_builtin_nodes): Add enable_cxa_end_cleanup parameter.
9433         Build EH builtins.
9434         (build_resx): Remove.
9435         * tree.def (EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR): Remove.
9436         * tree.h: Update declarations.
9437         (EH_FILTER_MUST_NOT_THROW): Remove.
9438         (struct tree_label_decl): Add eh_landing_pad_nr.
9439         (EH_LANDING_PAD_NR): New.
9440         * value-prof.c (gimple_ic): Tidy variable names.  Update for
9441         landing pad numbers.
9442         (gimple_stringop_fixed_value): Tidy variable names.  Assert
9443         that neither call stmt can throw.
9444         * vecprim.h (uchar): New.
9445         (VEC(uchar,heap), VEC(uchar,gc)): New.
9446
9447         * c-common.c (c_define_builtins): Update call to
9448         build_common_builtin_nodes.
9449         * c-parser.c (c_parse_file): Don't call
9450         default_init_unwind_resume_libfunc.
9451
9452 2009-09-14  Richard Sandiford  <rdsandiford@googlemail.com>
9453
9454         * config/mips/mips-protos.h (mips_cfun_has_cprestore_slot_p): Declare.
9455         (mips_cprestore_address_p): Likewise.
9456         (mips_save_gp_to_cprestore_slot): Likewise.
9457         (mips_restore_gp): Rename to...
9458         (mips_restore_gp_from_cprestore_slot): ...this.
9459         (mips_must_initialize_gp_p): Declare.
9460         (mips_emit_save_slot_move): Likewise.
9461         (mips_output_load_label): Return nothing.
9462         (mips_eh_uses): Declare.
9463         * config/mips/mips.h (TARGET_SPLIT_CALLS): Require epilogue_completed.
9464         (TARGET_CPRESTORE_DIRECTIVE): New macro.
9465         (TARGET_ABSOLUTE_JUMPS): Likewise.
9466         (EH_USES): Likewise.
9467         (FIRST_PSEUDO_REGISTER): Update comment.
9468         (MIPS_ABSOLUTE_JUMP): New macro, extracted from...
9469         (MIPS_CALL): ...here.
9470         (REGISTER_NAMES): Add $cprestore.
9471         * config/mips/mips.c (machine_function): Remove has_gp_insn_p.
9472         Add load_label_length, has_inflexible_gp_insn_p,
9473         has_flexible_gp_insn_p, must_initialize_gp_p and
9474         must_restore_gp_when_clobbered_p.
9475         (mips_expand_call): Don't generate split instructions here.
9476         (mips_split_call): Update the call to mips_restore_gp after
9477         the above name change.
9478         (mips16_cfun_returns_in_fpr_p): Move earlier in file.
9479         (mips_find_gp_ref): New function.
9480         (mips_insn_has_inflexible_gp_ref_p): Likewise.
9481         (mips_cfun_has_inflexible_gp_ref_p): Likewise.
9482         (mips_insn_has_flexible_gp_ref_p): Likewise.
9483         (mips_cfun_has_flexible_gp_ref_p): Likewise.
9484         (mips_function_has_gp_insn): Delete.
9485         (mips_global_pointer): Drop the df_regs_ever_live_p check.
9486         Use the new functions above.  Only return INVALID_REGNUM
9487         for TARGET_ABSOLUTE_JUMPS.
9488         (mips_must_initialize_gp_p): New function.
9489         (mips_get_cprestore_base_and_offset): New function, extracted from...
9490         (mips_cprestore_slot): ...here.  Take a bool parameter.
9491         (mips_cfun_has_cprestore_slot_p): New function.
9492         (mips_cprestore_address_p): Likewise.
9493         (mips_save_gp_to_cprestore_slot): Likewise.
9494         (mips_restore_gp): Rename to...
9495         (mips_restore_gp_from_cprestore_slot): ...this.  Assert
9496         epilogue_completed.  Update the call to mips_cprestore_slot.
9497         Test cfun->machine->must_restore_gp_when_clobbered_p.
9498         (mips_direct_save_slot_move_p): New function.
9499         (mips_emit_save_slot_move): Likewise.
9500         (mips_output_cplocal): Test mips_must_initialize_gp_p () instead
9501         of cfun->machine->global_pointer.
9502         (mips_output_function_prologue): Check mips_must_initialize_gp_p ().
9503         (mips_save_reg): Use mips_emit_save_slot_move.
9504         (mips_expand_prologue): Set must_initialize_gp_p.
9505         Use mips_cfun_has_cprestore_slot_p.  Use gen_potential_cprestore
9506         for all cprestore saves.  Emit a use_cprestore instruction after
9507         setting up the cprestore slot.
9508         (mips_restore_reg): Use mips_emit_save_slot_move.
9509         (mips_process_load_label): New function.
9510         (mips_load_label_length): Likewise.
9511         (mips_output_load_label): Don't return asm: output it here instead.
9512         Use mips_process_load_label.
9513         (mips_adjust_insn_length): Adjust the length of branch instructions
9514         that have length MAX_PIC_BRANCH_LENGTH.
9515         (mips_output_conditional_branch): Update the call to
9516         mips_output_load_label.  Assume the branch target is OPERANDS[0]
9517         rather than OPERANDS[1].  Use MIPS_ABSOLUTE_JUMP for absolute jumps.
9518         (mips_output_order_conditional_branch): Swap the meaning of
9519         OPERANDS[0] and OPERANDS[1].
9520         (mips_variable_issue): Don't count ghost instructions.
9521         (mips_expand_ghost_gp_insns): New function.
9522         (mips_reorg): Rerun mips_reorg_process_insns if it returns true.
9523         (mips_output_mi_thunk): Set must_initialize_gp_p.
9524         (mips_eh_uses): New function.
9525         * config/mips/predicates.md (cprestore_save_slot_operand)
9526         (cprestore_load_slot_operand): New predicates.
9527         * config/mips/mips.md (UNSPEC_POTENTIAL_CPRESTORE): New unspec.
9528         (UNSPEC_MOVE_GP): Likewise.
9529         (UNSPEC_CPRESTORE, UNSPEC_RESTORE_GP, UNSPEC_EH_RETURN)
9530         (UNSPEC_CONSTTABLE_INT, UNSPEC_CONSTTABLE_FLOAT): Bump to make room.
9531         (CPRESTORE_SLOT_REGNUM): New register.
9532         (MAX_PIC_BRANCH_LENGTH): New constant.
9533         (jal_macro): Use MIPS_ABSOLUTE_JUMPS.
9534         (length): Use MAX_PIC_BRANCH_LENGTH as a placeholder for PIC long
9535         branches.  Fix commentary.
9536         (loadgp_newabi_<mode>): Change from unspec_volatile to unspec.
9537         Only split if mips_must_initialize_gp_p; expand to nothing otherwise.
9538         Change type to "ghost".
9539         (loadgp_absolute_<mode>): Likewise.
9540         (loadgp_rtp_<mode>): Likewise.
9541         (copygp_mips16): Likewise.
9542         (loadgp_blockage): Remove redundant mode attribute.
9543         (potential_cprestore): New instruction.
9544         (cprestore): Turn into an unspec set.
9545         (use_cprestore): New instruction.
9546         (*branch_fp): Swap operands 0 and 1.  Remove redundant mode attribute.
9547         (*branch_fp_inverted): Likewise.
9548         (*branch_order<mode>): Likewise.
9549         (*branch_order<mode>_inverted): Likewise.
9550         (*branch_equality<mode>): Likewise.
9551         (*branch_equality<mode>_inverted): Likewise.
9552         (*branch_bit<bbv><mode>): Likewise.
9553         (*branch_bit<bbv><mode>_inverted): Likewise.
9554         (*branch_equality<mode>_mips16): Remove redundant mode.
9555         (jump): Turn into a define_expand.
9556         (*jump_absolute): New instruction.
9557         (*jump_pic): Likewise.
9558         (*jump_mips16): Rename previously-unnamed pattern.  Remove
9559         redundant mode attribute.
9560         (restore_gp): Split on epilogue_completed rather than
9561         reload_completed.  Change type to "ghost".
9562         (move_gp<mode>): New instruction.
9563         * config/mips/mips-dsp.md (mips_bposge): Swap operands 0 and 1.
9564         Remove redundant mode attribute.
9565         * config/mips/mips-ps-3d.md (bc1any4t): Likewise.
9566         (bc1any4f, bc1any2t, bc1any2f): Likewise.
9567         (*branch_upper_lower, *branch_upper_lower_inverted): Likewise.
9568
9569 2009-09-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
9570
9571         PR target/41210
9572         * config/rs6000/rs6000.c (rs6000_function_value): V2DF and V2DI
9573         are returned in the same register (vs34 or v2) that Altivec vector
9574         types are returned in.
9575         (rs6000_libcall_value): Ditto.
9576
9577         PR target/41331
9578         * config/rs6000/rs6000.c (rs6000_emit_move): Use gen_add3_insn
9579         instead of explicit addsi3/adddi3 calls.
9580         (rs6000_split_multireg_move): Ditto.
9581         (rs6000_emit_allocate_stack): Ditto.
9582         (rs6000_emit_prologue): Ditto.
9583         (rs6000_output_mi_thunk): Ditto.
9584
9585         * config/rs6000/rs6000.md (bswapdi*): Don't assume the pointer
9586         size is 64 bits if we can use 64-bit registers.
9587
9588 2009-09-14  Bernd Schmidt  <bernd.schmidt@analog.com>
9589
9590         * config/bfin/bfin.c (bfin_longcall_p): Don't use short calls for weak
9591         symbols.
9592
9593         From Jie Zhang <jie.zhang@analog.com>:
9594         * config/bfin/bfin.c (bfin_expand_prologue): Ask do_link to
9595         save FP and RETS with saveall attribute.
9596         (bfin_expand_epilogue): Ask do_unlink to restore FP and RETS
9597         with saveall attribute.
9598
9599         * config/bfin/bfin.c (bfin_expand_builtin,
9600         case BFIN_BUILTIN_MULT_1X32X32): Force constants to registers for the
9601         operands.
9602
9603         From Jie Zhang <jie.zhang@analog.com>:
9604         * config/bfin/bfin.c (bfin_expand_builtin): Initialize icodes
9605         before use in two places.
9606         * config/bfin/bfin.md (AREG): Define mode iterator.
9607         (reload_in, reload_out): Use mode iterator AREG.
9608
9609 2009-09-14  Richard Guenther  <rguenther@suse.de>
9610
9611         PR middle-end/41350
9612         * dwarf2out.c (dwarf2out_begin_prologue): Adjust non-CFI asm
9613         EH personality path.
9614
9615 2009-09-13  Richard Guenther  <rguenther@suse.de>
9616             Rafael Avila de Espindola  <espindola@google.com>
9617
9618         * langhooks-def.h (LANG_HOOKS_EH_RUNTIME_TYPE): Define.
9619         (LANG_HOOKS_EH_PERSONALITY): Likewise.
9620         (LANG_HOOKS_INITIALIZER): Adjust.
9621         (lhd_pass_through_t): Declare.
9622         * langhooks.h (struct lang_hooks): Add eh_runtime_type and
9623         eh_personality.
9624         * langhooks.c (lhd_pass_through_t): New function.
9625         * dwarf2out.c (output_call_frame_info, dwarf2out_do_cfi_startproc,
9626         dwarf2out_begin_prologue): Use personality from current_function_decl.
9627         * expr.h (get_personality_function): Declare.
9628         * expr.c (get_personality_function): New function.
9629         (build_personality_function): Likewise.
9630         * libfuncs.h (libfunc_index): Remove LTI_eh_personality.
9631         (eh_personality_libfunc): Remove.
9632         * optabs.c (build_libfunc_function): New function split out from ...
9633         (init_one_libfunc): ... here.
9634         * tree.h (DECL_FUNCTION_PERSONALITY): New.
9635         (tree_function_decl): Add personality.
9636         (lhd_gcc_personality): Declare.
9637         (build_personality_function): Likewise.
9638         * tree.c (gcc_eh_personality_decl): New.
9639         (lhd_gcc_personality): New function.
9640         * except.h (lang_eh_runtime_type): Remove.
9641         (enum eh_personality_kind): New.
9642         (build_personality_function): Declare.
9643         (function_needs_eh_personality): Declare.
9644         * except.c (lang_eh_runtime_type): Remove.
9645         (function_needs_eh_personality): New function.
9646         (add_type_for_runtime): Call lang_hooks.type_for_runtime instead.
9647         (sjlj_emit_function_enter, output_function_exception_table):
9648         Use personality from current_function_decl.
9649         * tree-eh.c (lower_eh_constructs): Set DECL_FUNCTION_PERSONALITY.
9650         * tree-inline.c (tree_can_inline_p): Do not inline across different
9651         EH personalities.
9652         (expand_call_inline): Likewise.  Adjust the callers EH personality.
9653         (tree_function_versioning): Copy DECL_FUNCTION_PERSONALITY.
9654         * cgraph.c (cgraph_add_new_function): Set DECL_FUNCTION_PERSONALITY.
9655         * Makefile.in (cgraph.o): Add $(EXCEPT_H) dependency.
9656         (c-parser.o): Likewise
9657         * c-tree.h (c_eh_initialized_p): Remove.
9658         (c_maybe_initialize_eh): Likewise.
9659         * c-decl.c (finish_decl): Don't call c_maybe_initialize_eh.
9660         (finish_decl): Don't call c_maybe_initialize_eh.
9661         (c_eh_initialized_p): Remove.
9662         (c_maybe_initialize_eh): Likewise.
9663         * c-parser.c (c_parser_omp_construct): Likewise.
9664         (c_parse_file): Initialize exception handling.
9665
9666 2009-09-13  Kai Tietz  <kai.tietz@onevision.com>
9667
9668         * config.gcc (tm_file): Remove i386/biarch32.h
9669         for i?86-w64-mingw* case.
9670         (i?86-*-mingw* andx86_64-*-mingw*): Add multilib
9671         support.
9672         * config.host: Set for x64 mingw the option
9673         use_long_long_for_widest_fast_int to yes.
9674
9675 2009-09-13  Eric Botcazou  <ebotcazou@adacore.com>
9676
9677         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
9678         * dbxout.c (dbxout_function_end): Do not test DECL_IGNORED_P.
9679         (dbxout_begin_function): Likewise.
9680         * final.c (dwarf2_debug_info_emitted_p): New predicate.
9681         (final_start_function): Do not emit debug info if DECL_IGNORED_P is
9682         set on the function.
9683         (final_end_function): Likewise.
9684         (final_scan_insn): Likewise.
9685         (rest_of_handle_final): Likewise.
9686         * varasm.c (assemble_start_function): Likewise.
9687         * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
9688
9689 2009-09-12  Jason Merrill  <jason@redhat.com>
9690
9691         * dbgcnt.c (dbg_cnt_process_single_pair): constify.
9692         * opts.c (common_handle_option): constify.
9693
9694 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
9695
9696         * doc/install.texi (avr): Remove obsolete reference site.
9697
9698 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
9699
9700         * doc/install.texi (Binaries): Adjust AIX link.
9701
9702 2009-09-12  Akim Demaille  <demaille@gostai.com>
9703
9704         * doc/invoke.texi (-fstrict-aliasing): Correct two examples.
9705         Use an imperative sentence.
9706
9707 2009-09-11  Richard Henderson  <rth@redhat.com>
9708
9709         * gsstruct.def (DEFGSSTRUCT): Remove printable-name argument; add
9710         structure-name and has-tree-operands arguments; update all entries.
9711         * gimple.def (DEFGSCODE): Replace 3rd argument with GSS_symbol;
9712         update all entries.
9713         * gimple.c (gimple_ops_offset_): Use HAS_TREE_OP argument.
9714         (gsstruct_code_size): New.
9715         (gss_for_code_): New.
9716         (gss_for_code): Remove.
9717         (gimple_size): Rewrite using gsstruct_code_size.
9718         (gimple_statement_structure): Move to gimple.h.
9719         * gimple.h (gimple_ops_offset_, gss_for_code_): Declare.
9720         (gss_for_code, gimple_statement_structure): New.
9721         (gimple_ops): Use new arrays; tidy.
9722
9723 2009-09-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9724
9725         * config/pa/predicates.md (symbolic_operand): Require a CONST symbolic
9726         operand to be a PLUS expression.
9727         * config/pa/pa.c (pa_secondary_reload): Likewise.
9728
9729 2009-09-11  Jakub Jelinek  <jakub@redhat.com>
9730
9731         * combine.c (propagate_for_debug_subst): Call wrap_constant on top.
9732
9733         * print-rtl.c (print_rtx): Use JUMP_LABEL (in_rtx) instead of
9734         XEXP (in_rtx, 8).
9735
9736 2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>
9737
9738         From Jie Zhang <jie.zhang@analog.com>:
9739         * doc/extend.texi (node Function Attributes): Document l2
9740         function attribute.
9741         (node Blackfin Variable Attributes): Document l2 variable attributes.
9742
9743 2009-09-11  Loren J. Rittle  <ljrittle@acm.org>
9744
9745         * config.gcc (*-*-freebsd*): Enable default_use_cxa_atexit
9746         to match the system compiler's configuration at inflection point.
9747         Add comment to remark a remaining difference with system compiler.
9748
9749         * configure.ac (*-*-freebsd*): Enable check for __stack_chk_fail.
9750         * configure: Regenerate.
9751
9752 2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>
9753
9754         From Jie Zhang <jie.zhang@analog.com>:
9755         * config/bfin/bfin.c (bfin_expand_call): Handle L2 functions.
9756         (bfin_handle_l2_attribute): New.
9757         (bfin_attribute_table): Add l2 attribute.
9758
9759 2009-09-11  Michael Matz  <matz@suse.de>
9760
9761         PR middle-end/41275
9762         * tree-inline.c (remap_decls): Don't put DECL_EXTERNAL decls
9763         on the local_decls list.
9764
9765 2009-09-11  Alexandre Oliva  <aoliva@redhat.com>
9766
9767         PR debug/41276
9768         PR debug/41307
9769         * cselib.c (cselib_expand_value_rtx_cb): Document callback
9770         interface.
9771         (cselib_expand_value_rtx_1): Use callback for SUBREGs.  Adjust
9772         for VALUEs, to implement the documented interface.
9773         * var-tracking.c (vt_expand_loc_callback): Handle SUBREGs.
9774         Adjust for VALUEs and anything else, to implement the
9775         documented interface.
9776
9777 2009-09-10  Nathan Froyd  <froydnj@codesourcery.com>
9778
9779         * config/rs6000/rs6000.h (DATA_ALIGNMENT): Check that we are dealing
9780         with actual SPE/paired vector modes before using 64-bit alignment.
9781         Check that TYPE is a REAL_TYPE for TARGET_E500_DOUBLE.
9782
9783 2009-09-10  DJ Delorie  <dj@redhat.com>
9784
9785         * config/mep/mep.md (eh_epilogue): Defer until after epilogue is
9786         emitted.
9787
9788         * config/mep/mep.h (LEGITIMATE_CONSTANT_P): New.
9789         * config/mep/mep.c (mep_legitimate_constant_p): New.
9790         * config/mep/mep-protos.h: Prototype it.
9791
9792 2009-09-10  Richard Henderson  <rth@redhat.com>
9793
9794         * print-rtl.c (print_rtx): Fix JUMP_LABEL index.
9795
9796 2009-09-10  Jason Merrill  <jason@redhat.com>
9797
9798         * tree.c (chain_index): New fn.
9799         * tree.h: Declare it.
9800
9801 2009-09-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9802
9803         * config/sol2-c.c (cmn_err_length_specs): Initialize
9804         scalar_identity_flag.
9805
9806 2009-09-10  Richard Henderson  <rth@redhat.com>
9807
9808         * tree.h (struct tree_decl_common): Move align member earlier;
9809         move label_decl_uid member ...
9810         (struct tree_label_decl): ... here.
9811         (LABEL_DECL_UID): Update to match.
9812
9813         * tree-cfg.c (dump_function_to_file): Dump eh tree with TDF_EH,
9814         not TDF_DETAILS.
9815
9816         * tree-cfg.c (gimple_redirect_edge_and_branch): Do
9817         gimple_try_redirect_by_replacing_jump test after no-op and EH tests.
9818
9819         * tree-cfg.c (split_edge_bb_loc): Don't disallow placement at
9820         dest_prev if the edge is complex.
9821
9822         * tree-cfg.c (is_ctrl_stmt): Use a switch.
9823
9824         * tree-cfg.c (gimple_can_merge_blocks_p): Move label and
9825         loop latch tests earlier.
9826
9827         * gimple-iterator.c (gimple_find_edge_insert_loc): Insert
9828         before GIMPLE_RETURN, not after its predecessor; insert
9829         before GIMPLE_RESX.
9830
9831         * gimple-iterator.c (gimple_find_edge_insert_loc): Use
9832         gimple_seq_empty_p to test for no PHI nodes.
9833         * tree-cfg.c (split_critical_edges): Likewise.
9834
9835         * c-common.h (c_dialect_cxx, c_dialect_objc): Boolify.
9836
9837 2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>
9838
9839         * final.c (shorten_branches) : Ignore DEBUG_INSN_P instructions
9840         introduced by the VTA branch merge.
9841
9842 2009-09-10  Uros Bizjak  <ubizjak@gmail.com>
9843
9844         * ira-conflicts.c: Use fputs or putc instead of fprintf
9845         where appropriate.
9846         * cfg.c: Ditto.
9847         * toplev.c: Ditto.
9848         * tree-switch-conversion.c: Ditto.
9849
9850 2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>
9851
9852         * config/picochip/picochip.c : Ignore DEBUG_INSN_P instructions
9853         introduced by the VTA branch merge.
9854
9855 2009-09-10  Uros Bizjak  <ubizjak@gmail.com>
9856
9857         Revert:
9858         2009-09-09  Uros Bizjak  <ubizjak@gmail.com>
9859
9860         PR rtl-optimization/39779
9861         * expr.c (convert_modes): Return when mode == oldmode after
9862         CONST_INTs are processed.
9863
9864 2009-09-10  Nick Clifton  <nickc@redhat.com>
9865
9866         * config/mep/mep.c (mep_encode_section_info): Copy weakness
9867         attribute and referring decl when creating renamed symbol.
9868
9869 2009-09-10  Richard Guenther  <rguenther@suse.de>
9870
9871         PR middle-end/41257
9872         * cgraphunit.c (cgraph_emit_thunks): Emit thunks only for
9873         reachable nodes.
9874         (cgraph_finalize_compilation_unit): Compute reachability
9875         before emitting thunks.  Properly process aliases before
9876         possibly removing unreachable nodes.
9877
9878 2009-09-10  Richard Guenther  <rguenther@suse.de>
9879
9880         PR middle-end/41254
9881         * tree.c (struct free_lang_data_d): Add worklist member.
9882         (find_decls_types_r): Push onto the worklist instead of recursing.
9883         Handle TREE_BINFOs properly.
9884         (find_decls_types): New function wrapped around find_decls_types_r
9885         to process the worklist.
9886         (find_decls_types_in_eh_region): Use it.
9887         (find_decls_types_in_node): Likewise.
9888         (find_decls_types_in_var): Likewise.
9889         (free_lang_data_in_cgraph): Likewise.  Free the worklist.
9890         * tree.h (RECORD_OR_UNION_TYPE_P): New.
9891         (AGGREGATE_TYPE_P): Adjust.
9892
9893 2009-09-09  Jason Merrill  <jason@redhat.com>
9894
9895         * configure.ac: Check glibc version even if we have an in-tree
9896         assembler.
9897
9898 2009-09-09  Anthony Green  <green@moxielogic.com>
9899
9900         * config/moxie/moxie.md (*movsi, *movhi, *movqi): Use xor to load
9901         the constant 0 when appropriate.
9902         * config/moxie/constraints.md: Add constraint O.
9903
9904         * config/moxie/moxie.c (moxie_setup_incoming_varargs): Adjust
9905         to pass up to 6 32-bit argument values in registers.
9906         (moxie_function_arg): Ditto.
9907         (moxie_arg_partial_bytes): Ditto.
9908         * config/moxie/moxie.h (FUNCTION_ARG_ADVANCE): Ditto.
9909         (REG_PARM_STACK_SPACE): Ditto.
9910         (FUNCTION_ARG_REGNO_P): Ditto.
9911
9912         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
9913         instruction to allocate stack space.
9914
9915 2009-09-09  Segher Boessenkool  <segher@kernel.crashing.org>
9916
9917         * config/rs6000/rs6000.md (bswapdi2_64bit): Fix
9918         unnecessarily stringent constraints.  Fix address
9919         calculation in the splitters.
9920
9921 2009-09-09  Uros Bizjak  <ubizjak@gmail.com>
9922
9923         PR rtl-optimization/39779
9924         * expr.c (convert_modes): Return when mode == oldmode after
9925         CONST_INTs are processed.
9926
9927 2009-09-09  Kai Tietz  <kai.tietz@onevision.com>
9928
9929         PR/41315
9930         * config/i386.c (ix86_can_use_return_insn_p): Check for padding0, too.
9931         (ix86_expand_prologue): Take frame.padding0 into logic of
9932         to_allocate checks.
9933         (ix86_expand_epilogue): Likewise.
9934
9935 2009-09-09  Jakub Jelinek  <jakub@redhat.com>
9936
9937         * config/t-slibgcc-elf-ver (SHLIB_MAKE_SOLINK, SHLIB_INSTALL_SOLINK):
9938         New variables.
9939         (SHLIB_LINK, SHLIB_INSTALL): Use them.
9940         * config/t-slibgcc-libgcc: New file.
9941         * config.gcc (powerpc*-*-linux*, powerpc*-*-gnu*): Use it.
9942
9943 2009-09-09  Martin Jambor  <mjambor@suse.cz>
9944
9945         PR tree-optimization/41089
9946         * tree-sra.c (find_var_candidates): Do not consider va_lists in
9947         early SRA.
9948
9949 2009-09-09  Richard Henderson  <rth@redhat.com>
9950
9951         * gimple.h (CASE_GIMPLE_OMP): New.
9952         (is_gimple_omp): Use it.
9953         * tree-cfg.c (is_ctrl_altering_stmt): Likewise.
9954         (verify_gimple_debug): Likewise.
9955
9956 2009-09-09  Richard Guenther  <rguenther@suse.de>
9957
9958         PR tree-optimization/41101
9959         * tree-ssa-pre.c (maximal_set): Remove.
9960         (compute_antic_aux): Treat the maximal set as implicitly all ones.
9961         Defer all blocks we didn't visit at least one successor.
9962         (add_to_exp_gen): Do not add to the maximal set.
9963         (make_values_for_phi): Likewise.
9964         (compute_avail): Likewise.
9965         (init_pre): Do not allocate the maximal set.
9966         (execute_pre): Do not dump it.
9967
9968 2009-09-09  Martin Jambor  <mjambor@suse.cz>
9969
9970         * tree-cfg.c (verify_gimple_phi): Check that gimple_phi_result is
9971         an SSA_NAME rather than a is_gimple_variable.
9972
9973 2009-09-09  Richard Guenther  <rguenther@suse.de>
9974
9975         PR middle-end/41317
9976         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Remove
9977         code dealing with plain pointer bases.
9978         (maybe_fold_offset_to_reference): Likewise.
9979         (maybe_fold_stmt_addition): Adjust.
9980
9981 2009-09-09  Richard Guenther  <rguenther@suse.de>
9982
9983         * tree.c (free_lang_data_in_type): Do not free the type variant
9984         chains.
9985         (free_lang_data): Merge char_type_node with its properly signed
9986         variant.
9987         (pass_ipa_free): Collect after freeing language specific data.
9988
9989 2009-09-09  Michael Matz  <matz@suse.de>
9990
9991         PR middle-end/41268
9992         * cfgexpand.c (expand_gimple_stmt_1): Use an int for storing
9993         SUBREG_PROMOTED_UNSIGNED_P, instead of a bool.
9994         * rtl.h (struct rtx, SUBREG_PROMOTED_UNSIGNED_P): Update comments
9995         to reflect reality.
9996
9997 2009-09-08  DJ Delorie  <dj@redhat.com>
9998
9999         * config/mep/mep.c (conversions[]): Add "ml" pattern.
10000
10001 2009-09-04  Jason Merrill  <jason@redhat.com>
10002
10003         * tree.c (tree_find_value): Remove.
10004         * tree.h: Remove prototype.
10005         * varasm.c (assemble_external): Use value_member instead.
10006
10007 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
10008
10009         * toplev.c (process_options): Choose default debugging type when
10010         gtoggle enables debug info and type is unset.
10011
10012 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
10013
10014         PR debug/41276
10015         PR debug/41307
10016         * cselib.c (cselib_expand_value_rtx_1): Don't return copy of
10017         invalid subreg.
10018
10019 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
10020
10021         * configure: Rebuilt with modified libtool.m4.
10022
10023 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
10024
10025         PR debug/41229
10026         PR debug/41291
10027         PR debug/41300
10028         * tree-ssa.c (execute_update_addresses_taken): Update debug insns.
10029
10030 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
10031
10032         * tree-ssa-loop-ivopts.c (get_phi_with_result): Remove.
10033         (remove_statement): Likewise.
10034         (rewrite_use_nonlinear_expr): Adjust.
10035         (remove_unused_ivs): Collect SSA NAMEs to remove and call...
10036         * tree-ssa.c (release_defs_bitset): ... this.  New.
10037         * tree-flow.h (release_defs_bitset): Declare.
10038
10039 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
10040
10041         PR debug/41232
10042         * tree-ssa-phiopt.c (minmax_replacement): Skip debug stmts
10043         in the middle block.
10044
10045 2009-09-08  Kai Tietz  <kai.tietz@onevision.com>
10046
10047         * tree-ssa-reassoc.c (find_operand_rank): Cast pointer
10048         via intptr_t to long type.
10049         (insert_operand_rank): Cast long type via intptr_t to
10050         pointer type.
10051         * genattrtab.c (RTL_HASH): Use intptr_t to cast from
10052         pointer to scalar.
10053         * c-pretty-print.c (pp_c_tree_decl_identifier): Cast
10054         from pointer to unsigned via uintptr_t.
10055
10056         * configure.ac (GCC_STDINT_TYPES): Initialize intptr_t,
10057         uintptr_t, HAVE_INTTYPES_H, HAVE_STDINT_H, HAVE_UINTPTR_T,
10058         and HAVE_INTPTR_T.
10059         * configure: Regenerated.
10060         * config.in: Regenerated
10061         * system.h (stdint.h): Add include.
10062         (inttypes.h): Likewise.
10063         * Makefile.in (aclocal): Add config/stdint.m4.
10064         * aclocal.m4: Regenerated.
10065
10066 2009-09-08  Bernd Schmidt  <bernd.schmidt@analog.com>
10067
10068         * config/bfin/bfin.c (np_check_regno, np_after_branch): New static
10069         variables.
10070         (note_np_check_stores): New function.
10071         (harmless_null_pointer_p): New function.
10072         (trapping_loads_p): New args NP_REG and AFTER_NP_BRANCH.  Callers
10073         changed.  Take into account whether we're in the shadow of a condjump
10074         that tested NP_REG for NULL.
10075         Lose all code that tested for SEQUENCEs.
10076         (workaround_speculation): Avoid inserting NOPs for loads that are
10077         either always executed or a NULL pointer.
10078
10079 2009-09-08  Jan Hubicka  <jh@suse.cz>
10080
10081         * doc/invoke.texi (early-inlining-insns): Reduce from 12 to 8.
10082         * params.def (early-inlining-insns): Likewise.
10083
10084 2009-09-08  Jakub Jelinek  <jakub@redhat.com>
10085
10086         PR rtl-optimization/41239
10087         * sched-int.h (struct deps): Add last_function_call_may_noreturn field.
10088         * sched-rgn.c (deps_join): Join also last_function_call_may_noreturn
10089         lists.
10090         * sched-deps.c (sched_analyze_insn): Prevent moving trapping insns
10091         across calls, as the calls might not always return normally.
10092         (call_may_noreturn_p): New function.
10093         (deps_analyze_insn): Update last_function_call_may_noreturn list.
10094         (init_deps): Initialize it.
10095         (remove_from_deps): Also remove calls from
10096         last_function_call_may_noreturn list.
10097
10098 2009-09-07  Richard Henderson  <rth@redhat.com>
10099
10100         * tree-ssa-sccvn.c (vn_reference_lookup_3): Don't assume there are
10101         more VR->OPERANDS than LHS operands.  Free LHS before returning.
10102
10103 2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
10104
10105         * config/bfin/bfin.md (UNSPEC_VOLATILE_STALL): New constant.
10106         (attr "addrtype"): New member "spreg".
10107         Use it if mem_spfp_address_operand is true for the address.
10108         (attr "type"): New entry "stall".
10109         (cpu_unit "load"): New.
10110         (insn_reservations "load32", "loadp", "loadi"): Add reservation of
10111         "load".
10112         (insn_reservation "loadsp"): New.
10113         (insn_reservation "load_stall1"): New.
10114         (insn_reservation "load_stall3"): New.
10115         (stall): New insn.
10116         * config/bfin/predicates.md (const1_operand, const3_operand): New.
10117         (mem_p_address_operand): Exclude stack and frame pointer based
10118         addresses.
10119         (mem_spfp_address_operand): New; match them here.
10120         * config/bfin/bfin.c (add_sched_insns_for_speculation): New function.
10121         (bfin_reorg): Call it if scheduling insns.
10122         (bfin_gen_bundles): Remove dummy insns created by
10123         add_sched_insns_for_speculation.
10124
10125         From Jie Zhang <jie.zhang@analog.com>:
10126         * config/bfin/bfin-protos.h (enum bfin_cpu_type, bfin_cpu_type,
10127         bfin_si_revision, bfin_workarounds): Move these ...
10128         * config/bfin/bfin.h: ... here.
10129
10130         From Mike Frysinger  <michael.frysinger@analog.com>
10131         * config/bfin/bfin-protos.h (bfin_cpu_type): Add BFIN_CPU_BF542M,
10132         BFIN_CPU_BF544M, BFIN_CPU_BF547M, BFIN_CPU_BF548M, and BFIN_CPU_BF549M.
10133         * config/bfin/bfin.c (bfin_cpus[]): Add 0.3 for bf542m, bf544m,
10134         bf547m, bf548m, and bf549m.
10135         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF542M__
10136         for BFIN_CPU_BF542M, __ADSPBF544M__ for BFIN_CPU_BF544M,
10137         __ADSPBF547M__ for BFIN_CPU_BF547M, __ADSPBF548M__ for
10138         BFIN_CPU_BF548M, and __ADSPBF549M__ for BFIN_CPU_BF549M.
10139         * config/bfin/t-bfin-elf (MULTILIB_MATCHES): Select bf532-none for
10140         bf542m-none, bf544m-none, bf547m-none, bf548m-none, and bf549m-none.
10141         * config/bfin/t-bfin-linux (MULTILIB_MATCHES): Likewise.
10142         * config/bfin/t-bfin-uclinux (MULTILIB_MATCHES): Likewise.
10143         * doc/invoke.texi (Blackfin Options): Document that -mcpu now accepts
10144         bf542m, bf544m, bf547m, bf548m, and bf549m.
10145
10146         From Jie Zhang <jie.zhang@analog.com>:
10147         * config/bfin/predicates.md (p_register_operand): New predicate.
10148         (dp_register_operand): New predicate.
10149         * config/bfin/bfin-protos.h (WA_05000074): Define.
10150         (ENABLE_WA_05000074): Define.
10151         * config/bfin/bfin.c (bfin_cpus[]): Add WA_05000074 for all cpus.
10152         (bfin_gen_bundles): Put dsp32shiftimm instruction in slot[0].
10153         * config/bfin/bfin.md (define_attr type): Add dsp32shiftimm.
10154         (define_attr addrtype): Allow load/store register to be P register.
10155         (define_attr storereg): New.
10156         (define_cpu_unit anomaly_05000074): New.
10157         (define_insn_reservation dsp32shiftimm): New.
10158         (define_insn_reservation dsp32shiftimm_anomaly_05000074): New.
10159         (define_insn_reservation loadp): Cannot use slot2.
10160         (define_insn_reservation loadsp): Cannot use slot2.
10161         (define_insn_reservation storep): Cannot use slot2. Does not
10162         apply when working around 05000074.
10163         (define_insn_reservation storep_anomaly_05000074): New.
10164         (define_insn_reservation storei): Does not apply when working
10165         around 05000074.
10166         (define_insn_reservation storei_anomaly_05000074): New.
10167         (define_attr length): Add dsp32shiftimm case.
10168         (define_insn movsi_insn32, movsi_insv, ashlsi3_insn, ashrsi3,
10169         ror_one, rol_one, lshrsi3, lshrpdi3, ashrpdi3, movhiv2hi_low,
10170         movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
10171         ssashiftv2hi3, ssashifthi3, ssashiftsi3, lshiftv2hi3, lshifthi3):
10172         Set type as dsp32shiftimm for dsp32shiftimm alternatives.
10173
10174 2009-09-07  Martin Jambor  <mjambor@suse.cz>
10175
10176         PR middle-end/41282
10177         * tree-sra.c (create_artificial_child_access): Return NULL if
10178         build_ref_for_offset fails.
10179         (propagate_subacesses_accross_link): Allow build_ref_for_offset
10180         and create_artificial_child_access to fail.
10181
10182 2009-09-06  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
10183
10184         PR c++/41214
10185         * unwind-dw2.c (uw_init_context_1): Mark noinline.
10186         * config/ia64/unwind-ia64.c (uw_init_context_1): Likewise.
10187         * config/xtensa/unwind-dw2-xtensa.c (uw_init_context_1): Likewise.
10188
10189 2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
10190
10191         * config/bfin/bfin.c (bfin_optimize_loop): When creating a new basic
10192         block, ensure it has an exit edge.  Emit a barrier after a jump.
10193
10194 2009-09-07  Nick Clifton  <nickc@redhat.com>
10195
10196         * gcc.c (this_is_linker_script): New variable.  Like
10197         this_is_library_file but for the %T constructor.
10198         (end_going_arg): If this_is_linker_script is set then locate the
10199         script and insert a --script switch before it
10200         (do_spec_2): Initialise this_is_linker_script.
10201         (do_spec_1): Likewise.  Handle %T construct.
10202         (eval_spec_function): Preserve this_is_linker_script.
10203         * doc/invoke.texi: Document %T construct in spec files.
10204         * config/m32c/m32c.h (LIB_SPEC): Use it.
10205
10206 2009-09-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10207
10208         * rtl.h (PREFETCH_SCHEDULE_BARRIER_P): New macro.
10209         * sched-deps.c (sched_analyze_2): Make prefetches a hard barrier
10210         when volatile flag is set.
10211         * doc/rtl.texi (PREFETCH_SCHEDULE_BARRIER_P): Add documentation pieces.
10212
10213 2009-09-06  Eric Botcazou  <ebotcazou@adacore.com>
10214
10215         PR bootstrap/41241
10216         * combine-stack-adj.c (try_apply_stack_adjustment): Handle stores.
10217         (combine_stack_adjustments_for_block): Allow insns between stack
10218         adjustments and stores with corresponding pre-(dec|inc)rement or
10219         pre-modify operation.
10220
10221 2009-09-06  Jakub Jelinek  <jakub@redhat.com>
10222
10223         PR bootstrap/41241
10224         * combine-stack-adj.c (struct csa_memlist): Rename to...
10225         (struct csa_reflist): ... this.  Rename mem field to ref.
10226         (free_csa_memlist): Rename to...
10227         (free_csa_reflist): ... this.
10228         (record_one_stack_memref): Rename to...
10229         (record_one_stack_ref): ... this.  Handle also REG_P.
10230         (try_apply_stack_adjustment): Handle also REG_P.
10231         (struct record_stack_memrefs_data): Rename to...
10232         (struct record_stack_refs_data): ... this.  Rename memlist field to
10233         reflist.
10234         (record_stack_memrefs): Rename to...
10235         (record_stack_refs): ... this.  For DEBUG_INSNs keep traversing
10236         subexpressions instead of failing when a MEM contains SP references.
10237         For SP itself in DEBUG_INSNs queue it also onto reflist chain.
10238         (combine_stack_adjustments_for_block): Adjust for mem to ref renaming.
10239
10240 2009-09-06  Richard Guenther  <rguenther@suse.de>
10241
10242         PR middle-end/41144
10243         * tree.c (build_array_type): Do not record types marked
10244         with structural equality in the canonical type hashtable.
10245
10246 2009-09-06  Richard Guenther  <rguenther@suse.de>
10247
10248         PR middle-end/41261
10249         * tree-ssa-alias.c (refs_may_alias_p_1): Bail out for function decls.
10250
10251 2009-09-05  Richard Guenther  <rguenther@suse.de>
10252
10253         PR middle-end/41181
10254         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use the correct type.
10255
10256 2009-09-05  Richard Guenther  <rguenther@suse.de>
10257
10258         PR debug/41273
10259         * tree-ssa-operands.c (get_tmr_operands): Pass through opf_no_vops.
10260
10261 2009-09-05  Richard Guenther  <rguenther@suse.de>
10262
10263         PR middle-end/41271
10264         * tree-ssa.c (useless_type_conversion_p): Drop qualifiers
10265         before comparing function argument types.
10266
10267 2009-09-05  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
10268
10269         PR target/41024
10270         * config/i386/mingw-w64.h (ASM_SPEC): Pass -v instead of -V to
10271         the assembler.
10272
10273 2009-09-04  Uros Bizjak  <ubizjak@gmail.com>
10274
10275         Revert:
10276         2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
10277
10278         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
10279         locators before emit_insn is called.
10280
10281 2009-09-04  Vladimir Makarov  <vmakarov@redhat.com>
10282
10283         PR bootstrap/41241
10284         * ira.c (update_equiv_reg): Revert my previous patch for the PR.
10285         * reginfo.c (resize_reg_info): Call allocate_reg_info if necessary.
10286         (reginfo_init): Don't call allocate_reg_info.
10287
10288 2009-09-04  Uros Bizjak  <ubizjak@gmail.com>
10289
10290         PR target/41262
10291         * config/alpha/alpha.c (alpha_does_function_need_gp): Use
10292         NONDEBUG_INSN_P instead of INSN_P.
10293
10294 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
10295
10296         PR debug/41225
10297         * tree-vect-stmts.c (vect_stmt_relevant_p): Skip debug uses.
10298
10299 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
10300
10301         PR target/41252
10302         * config/arm/vfp.md (*cmpdf_split_vfp): Fix src mode in the second
10303         pattern of the split.
10304
10305 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
10306
10307         * toplev.c (process_options): Move setter of flag_var_tracking
10308         before other tests that depend on it.  Move down setter of
10309         flag_rename_registers.  Don't enable var-tracking-assignments
10310         by default if selective scheduling is enabled.  Warn if both
10311         are enabled.
10312
10313 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
10314
10315         * var-tracking.c (dv_is_decl_p): Adjust NULL behavior to match
10316         comment.  Use switch statement to catch overlaps between rtx
10317         and tree codes.  Accept FUNCTION_DECLs in addition to those in...
10318         (IS_DECL_CODE): ... here. Remove.
10319         (check_value_is_not_decl): Remove.
10320         (dv_from_decl, dv_from_value): Check after conversion.
10321
10322 2009-09-04  Richard Guenther  <rguenther@suse.de>
10323
10324         PR middle-end/41257
10325         * (cgraph_finalize_compilation_unit): Move finalizing aliases
10326         after emitting tunks.  Move emitting thunks and ctors from ...
10327         (cgraph_optimize): ... here.  Remove redundant
10328         cgraph_analyze_functions.
10329         * varasm.c (find_decl_and_mark_needed): Remove no longer
10330         necessary check.
10331         (finish_aliases_1): Adjust check for thunk aliases.
10332
10333 2009-09-04  Daniel Gutson  <dgutson@codesourcery.com>
10334
10335         * config/arm/arm.md (ctzsi2): Added braces
10336         to avoid warning that broke booststrap.
10337
10338 2009-09-04  Martin Jambor  <mjambor@suse.cz>
10339
10340         PR tree-optimization/41112
10341         * tree-sra.c (build_ref_for_offset_1): Signal that we cannot
10342         handle variable-bounded arrays.
10343         (expr_with_var_bounded_array_refs_p): New function.
10344         (analyze_access_subtree): Call expr_with_var_bounded_array_refs_p.
10345
10346 2009-09-04  Wolfgang Gellerich  <gellerich@de.ibm.com>
10347
10348         * config/s390/2097.md: Removed two incorrect bypasses.
10349         (z10_fsimpdf): Fixed latency.
10350         (z10_fhex): New insn_reservation.
10351         (z10_floaddf): Fixed latency.
10352         (z10_floadsf): Fixed latency.
10353         (z10_ftrunctf): Fixed latency.
10354         (z10_ftruncdf): Fixed latency.
10355         * config/s390/s390.c (z10_cost): Fixed values.
10356         (s390_adjust_priority): Added z10 path.
10357         * config/s390/s390.md (type): Added fhex.
10358         (*mov<mode>_64dfp): Updated type attribute.
10359         (*mov<mode>_64): Updated type attribute.
10360         (*mov<mode>_31): Updated type attribute.
10361         (*mov<mode>"): Likewise.
10362         * config/s390/2084.md (x_fsimpdf): Updated condition.
10363
10364 2009-09-04  Andreas Krebbel  <krebbel1@de.ibm.com>
10365
10366         * config/s390/s390.md ("*fmadd<mode>", "*fmsub<mode>"): Enable mem
10367         RTXs in the predicate for operand 1.
10368
10369 2009-09-03  Daniel Gutson  <dgutson@codesourcery.com>
10370
10371         * config/arm/arm.md (UNSPEC_RBIT): New constant.
10372         (rbitsi2): New insn.
10373         (ctzsi2): New expand.
10374         * config/arm/arm.h (CTZ_DEFINED_VALUE_AT_ZERO): New macro.
10375
10376 2009-09-03  Martin Jambor  <mjambor@suse.cz>
10377
10378         * tree-sra.c (duplicate_expr_for_different_base): Removed.
10379         (create_artificial_child_access): Use build_ref_for_offset instead
10380         of duplicate_expr_for_different_base.
10381         (propagate_subacesses_accross_link): Likewise.
10382
10383 2009-09-03  Richard Sandiford  <rdsandiford@googlemail.com>
10384
10385         * config/mips/mips.c (USEFUL_INSN_P): Use NONDEBUG_INSN_P instead
10386         of INSN_P.
10387         (mips16e_collect_argument_saves): Skip debug instructions.
10388         (mips_74k_agen_init): Use CALL_P || JUMP_P instead of !NONJUMP_INSN_P.
10389         (mips16_lay_out_constants): Use USEFUL_INSN_P instead of INSN_P.
10390         (r10k_insert_cache_barriers): Likewise.
10391         (mips_reorg_process_insns): Likewise.
10392
10393 2009-09-03  Vladimir Makarov  <vmakarov@redhat.com>
10394
10395         PR bootstrap/41241
10396         * ira.c (update_equiv_reg): Remove check on class likely spill.
10397
10398 2009-09-03  Jakub Jelinek  <jakub@redhat.com>
10399
10400         PR debug/41236
10401         * dwarf2out.c (loc_descriptor): Don't use SUBREG_REG macro on
10402         SIGN_EXTEND or ZERO_EXTEND.  Don't assume there is a REG inside of
10403         it or SUBREG.
10404
10405         PR debug/41238
10406         * function.c (assign_parm_find_stack_rtl): Don't set mem attributes on
10407         the stack slot if it is passed by invisible reference.
10408         * var-tracking.c (vt_add_function_parameters): Handle arguments passed
10409         by invisible reference.
10410
10411 2009-09-03  Bernd Schmidt  <bernd.schmidt@analog.com>
10412
10413         * config/bfin/linux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
10414         * config/bfin/uclinux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
10415         * config/bfin/bfin.h (TARGET_SUPPORTS_SYNC_CALLS): Provide default of
10416         0.
10417         * config/bfin/sync.md: New file.
10418         * config/bfin/bfin.md: Include it.
10419         (UNSPEC_ATOMIC): New.
10420         (UNSPEC_ONES): Provide a unique number.
10421
10422         From Jie Zhang <jie.zhang@analog.com>:
10423         * config/bfin/bfin.c (ret_regs): New.
10424         (must_save_fp_p): Don't return true because of frame_pointer_needed.
10425         (must_save_rets_p): New.
10426         (n_regs_saved_by_prologue): Use must_save_rets_p instead of
10427         current_function_is_leaf.
10428         (do_link): Likewise.
10429         (do_unlink): Likewise.
10430         (expand_interrupt_handler_prologue): Use ret_regs array.
10431         (expand_interrupt_handler_epilogue): Use ret_regs array and
10432         pass return register to gen_return_internal.
10433         (bfin_expand_epilogue): Pass return register to
10434         gen_return_internal.
10435         (bfin_expand_call): Explicitly clobber RETS.
10436         * config/bfin/bfin.h (FUNCTION_RETURN_REGISTERS): Define.
10437         * config/bfin/bfin.md (call_symbol_fdpic, call_value_symbol_fdpic,
10438         call_insn_fdpic, call_value_insn_fdpic, call_symbol,
10439         call_value_symbol, call_insn, call_value_insn): Explicitly clobber
10440         RETS.
10441         (return_internal): Take a reg rtx rather than the register number.
10442
10443 2009-09-03  H.J. Lu  <hongjiu.lu@intel.com>
10444
10445         * tree-parloops.c (parallelize_loops): Cast to HOST_WIDE_INT
10446         when comparing against estimated_loop_iterations_int return.
10447
10448 2009-09-03  Richard Guenther  <rguenther@suse.de>
10449
10450         * dwarf2out.c (dwarf2out_do_cfi_asm): Remove check of
10451         eh_personality_libfunc.
10452
10453 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
10454
10455         * tree-parloops.c (separate_decls_in_region): Add space.
10456
10457 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
10458
10459         * tree-parloops.c (separate_decls_in_region): Change the condition
10460         checking if there are reductions in the loop.
10461
10462 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
10463
10464         PR tree-optimization/38275
10465         * tree-parloops.c (parallelize_loops): Replace profitability condition
10466         for expected number of iterations.
10467
10468 2009-09-03  Alexandre Oliva  <aoliva@redhat.com>
10469
10470         * doc/invoke.texi (BUILD_CONFIG): Document --with-build-config.
10471         (bootstrap-debug): Explain conditions in which it becomes default.
10472         (bootstrap-debug-big): Rather than duplicate bootstrap-debug,
10473         make it add to it.
10474
10475 2009-09-03  Namhyung Kim  <namhyung@gmail.com>
10476
10477         * doc/invoke.texi (Optimize Options): Move
10478         -finline-small-functions to the -O2 list.
10479
10480 2009-09-03  Alexandre Oliva  <aoliva@redhat.com>
10481
10482         * toplev.c (process_options): Enable var-tracking-assignments
10483         by default if var-tracking is enabled.
10484
10485 2009-09-02  David Daney  <ddaney@caviumnetworks.com>
10486
10487         * cfgbuild.c (find_bb_boundaries): Split blocks containing a
10488         barrier.
10489         * emit-rtl.c (prev_nonnote_insn_bb): New function.
10490         * rtl.h (prev_nonnote_insn_bb): Declare it.
10491
10492 2009-09-03  Diego Novillo  <dnovillo@google.com>
10493
10494         * cgraph.c (cgraph_node_for_decl): New.
10495         * cgraph.h (cgraph_node_for_decl): Declare.
10496         * tree.c (host_integerp): Return 0 if T is NULL.
10497
10498 2009-09-03  Diego Novillo  <dnovillo@google.com>
10499
10500         * tree.h (struct alias_pair): Move from varasm.c.
10501         (alias_pairs): Likewise.
10502         (TYPE_MAXVAL): Define.
10503         (TYPE_MINVAL): Define.
10504         (iterative_hash_host_wide_int): Declare.
10505         (remove_unreachable_alias_pairs): Declare.
10506         * tree-pass.h (pass_ipa_free_lang_data): Declare.
10507         * diagnostic.c (default_diagnostic_starter): Make extern.
10508         (default_diagnostic_finalizer): Make extern.
10509         * diagnostic.h (default_diagnostic_starter): Declare.
10510         (default_diagnostic_finalizer): Declare.
10511         (default_tree_printer): Declare.
10512         * toplev.c (default_tree_printer): Make extern.
10513
10514 2009-09-03  Richard Guenther  <rguenther@suse.de>
10515             Diego Novillo  <dnovillo@google.com>
10516
10517         * cgraph.c (cgraph_add_new_function): Remove gimplification.
10518         * cgraphunit.c (cgraph_expand_function): Do not emit
10519         associated thunks from here.
10520         (cgraph_emit_thunks): New.
10521         (cgraph_optimize): Call it.
10522         Return if any IPA pass finds an error.
10523         * varasm.c (finish_aliases_1): Ignore errorneous aliases used
10524         by thunks.
10525
10526 2009-09-03  Simon Baldwin  <simonb@google.com>
10527             Rafael Espindola  <espindola@google.com>
10528             Richard Guenther  <rguenther@suse.de>
10529             Doug Kwan  <dougkwan@google.com>
10530             Diego Novillo  <dnovillo@google.com>
10531
10532         * tree.c: Include tree-pass.h, langhooks-def.h,
10533         diagnostic.h, cgraph.h, timevar.h, except.h and debug.h.
10534         (free_lang_data_in_type): New.
10535         (need_assembler_name_p): New.
10536         (free_lang_data_in_block): New.
10537         (free_lang_data_in_decl): New.
10538         (struct free_lang_data_d): New.
10539         (add_tree_to_fld_list): New.
10540         (find_decls_types_r): New.
10541         (get_eh_types_for_runtime): New.
10542         (find_decls_types_in_eh_region): New.
10543         (find_decls_types_in_node): New.
10544         (find_decls_types_in_var): New.
10545         (free_lang_data_in_cgraph): New.
10546         (free_lang_data): New.
10547         (gate_free_lang_data): New.
10548         (pass_ipa_free_lang_data): New.
10549
10550 2009-09-03  Diego Novillo  <dnovillo@google.com>
10551
10552         * timevar.def (TV_IPA_FREE_LANG_DATA): Define.
10553         * langhooks.h (struct lang_hooks): Add field free_lang_data.
10554         (lang_hooks): Remove const qualifier.
10555         * ipa.c (cgraph_remove_unreachable_nodes): Call
10556         remove_unreachable_alias_pairs.
10557         * except.c (add_type_for_runtime): Check if TYPE has
10558         already been converted.
10559         (lookup_type_for_runtime): Likewise.
10560         (check_handled): Handle converted types.
10561         * varasm.c (remove_unreachable_alias_pairs): New.
10562         * gimple.c: Include demangle.h.
10563         (gimple_decl_printable_name): New.
10564         (gimple_fold_obj_type_ref): New.
10565         * gimple.h (gimple_decl_printable_name): Declare.
10566         (gimple_fold_obj_type_ref): Declare.
10567         * passes.c (init_optimization_passes): Add pass
10568         pass_ipa_free_lang_data.
10569         * langhooks-def.h (LANG_HOOKS_FREE_LANG_DATA): Define.
10570         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_FREE_LANG_DATA.
10571
10572 2009-09-03  Diego Novillo  <dnovillo@google.com>
10573
10574         * c-lang.c (lang_hooks): Remove const qualifier.
10575
10576 2009-09-02  Loren James Rittle  <ljrittle@acm.org>
10577
10578         * doc/install.texi (*-*-freebsd*): Update target information.
10579
10580 2009-09-02  Anatoly Sokolov  <aesok@post.ru>
10581
10582         * hard-reg-set.h (call_fixed_regs): Remove.
10583         * reginfo.c (call_fixed_regs): Remove.
10584         (init_reg_sets_1): Remove initialization of call_fixed_regs.
10585         (globalize_reg): Don't use call_fixed_regs.
10586         * caller-save.c (init_caller_save): Use call_fixed_reg_set instead of
10587         call_fixed_regs.
10588
10589 2009-09-01  Michael Matz  <matz@suse.de>
10590
10591         * expr.h (emit_storent_insn, expand_expr_real_1,
10592         expand_expr_real_2): Declare.
10593         * expr.c (emit_storent_insn, expand_expr_real_1,
10594         expand_expr_real_2): Export.
10595         (store_expr): Setting and evaluating dont_return_target is useless.
10596         (expand_expr_real_1, <case GOTO_EXPR, RETURN_EXPR, SWITCH_EXPR,
10597         LABEL_EXPR and ASM_EXPR>): Move to gcc_unreachable.
10598         * except.c (expand_resx_expr): Rename to ...
10599         (expand_resx_stmt): ... this.  Rewrite to take gimple statement.
10600         * except.h (expand_resx_stmt): Declare.
10601         * stmt.c: Add include gimple.h
10602         (expand_asm_expr): Rename to ...
10603         (expand_asm_stmt): ... this. Rewrite to take gimple statement.
10604         (expand_case): Rewrite to take gimple statement.
10605         * tree.h (expand_asm_stmt): Declare.
10606         (expand_case): Change prototype.
10607         * Makefile.in (stmt.o): Depend on gimple.h.
10608         * builtins.c (expand_builtin_synchronize): Build gimple asm
10609         statement, not an ASM_EXPR.
10610         * cfgexpand.c (gimple_cond_pred_to_tree, set_expr_location_r,
10611         gimple_to_tree, release_stmt_tree): Remove.
10612         (expand_gimple_cond): Don't call gimple_cond_pred_to_tree or
10613         ggc_free, but hold comparison code and operands separately.
10614         Call jumpif_1 and jumpifnot_1 instead of jumpif and jumpifnot.
10615         (expand_call_stmt, expand_gimple_stmt_1,
10616         expand_gimple_stmt): New helpers.
10617         (expand_gimple_tailcall): Don't call gimple_to_tree, expand_expr_stmt,
10618         release_stmt_tree.  Call expand_gimple_stmt instead.
10619         (expand_gimple_basic_block): Ditto.
10620
10621         * calls.c (emit_call_1): Don't look at EH regions here, make
10622         fntree parameter useless.
10623         (expand_call): New local rettype for TREE_TYPE(exp), use it
10624         throughout.  Remove local p, use addr instead.
10625         Don't look at EH regions here.
10626
10627 2009-09-02  Vladimir Makarov  <vmakarov@redhat.com>
10628
10629         * doc/invoke.texi (-fsched-pressure): Document it.
10630         (-fsched-reg-pressure-heuristic): Remove it.
10631
10632         * reload.c (ira.h): Include.
10633         (find_reloads): Add choosing reload on number of small spilled
10634         classes.
10635
10636         * haifa-sched.c (ira.h): Include.
10637         (sched_pressure_p, sched_regno_cover_class, curr_reg_pressure,
10638         saved_reg_pressure, curr_reg_live, saved_reg_live,
10639         region_ref_regs): New variables.
10640         (sched_init_region_reg_pressure_info, mark_regno_birth_or_death,
10641         initiate_reg_pressure_info, setup_ref_regs,
10642         initiate_bb_reg_pressure_info, save_reg_pressure,
10643         restore_reg_pressure, dying_use_p, print_curr_reg_pressure): New
10644         functions.
10645         (setup_insn_reg_pressure_info): New function.
10646         (rank_for_schedule): Add pressure checking and insn issue time.
10647         Remove comparison of insn reg weights.
10648         (ready_sort): Set insn reg pressure info.
10649         (update_register_pressure, setup_insn_max_reg_pressure,
10650         update_reg_and_insn_max_reg_pressure,
10651         sched_setup_bb_reg_pressure_info): New functions.
10652         (schedule_insn): Add code for printing and updating reg pressure info.
10653         (find_set_reg_weight, find_insn_reg_weight): Remove.
10654         (ok_for_early_queue_removal): Do nothing if pressure_only_p.
10655         (debug_ready_list): Print reg pressure info.
10656         (schedule_block): Ditto.  Check insn issue time.
10657         (sched_init): Set up sched_pressure_p.  Allocate and set up some
10658         reg pressure related info.
10659         (sched_finish): Free some reg pressure related info.
10660         (fix_tick_ready): Make insn always ready if pressure_p.
10661         (init_h_i_d): Don't call find_insn_reg_weight.
10662         (haifa_finish_h_i_d): Free insn reg pressure info.
10663
10664         * ira-int.h (ira_hard_regno_cover_class, ira_reg_class_nregs,
10665         ira_memory_move_cost, ira_class_hard_regs,
10666         ira_class_hard_regs_num, ira_no_alloc_regs,
10667         ira_available_class_regs, ira_reg_class_cover_size,
10668         ira_reg_class_cover, ira_class_translate): Move to ira.h.
10669
10670         * ira-lives.c (single_reg_class): Check mode to find how many
10671         registers are necessary for operand.
10672         (ira_implicitly_set_insn_hard_regs): New.
10673
10674         * common.opt (fsched-pressure): New options.
10675         (fsched-reg-pressure-heuristic): Remove.
10676
10677         * ira.c (setup_eliminable_regset): Rename to
10678         ira_setup_eliminable_regset.  Make it external.
10679         (expand_reg_info): Pass cover class to setup_reg_classes.
10680         (ira): Call resize_reg_info instead of allocate_reg_info.
10681
10682         * sched-deps.c: Include ira.h.
10683         (implicit_reg_pending_clobbers, implicit_reg_pending_uses): New.
10684         (create_insn_reg_use, create_insn_reg_set, setup_insn_reg_uses,
10685         reg_pressure_info, insn_use_p, mark_insn_pseudo_birth,
10686         mark_insn_hard_regno_birth, mark_insn_reg_birth,
10687         mark_pseudo_death, mark_hard_regno_death, mark_reg_death,
10688         mark_insn_reg_store, mark_insn_reg_clobber,
10689         setup_insn_reg_pressure_info): New.
10690         (sched_analyze_1): Update implicit_reg_pending_uses.
10691         (sched_analyze_insn): Find implicit sets, uses, clobbers of regs.
10692         Use them to create dependencies.  Set insn reg uses and pressure
10693         info.  Process reg_pending_uses in one place.
10694         (free_deps): Free implicit sets.
10695         (remove_from_deps): Remove implicit sets if necessary.  Check
10696         implicit sets when clearing reg_last_in_use.
10697         (init_deps_global): Clear implicit_reg_pending_clobbers and
10698         implicit_reg_pending_uses.
10699
10700         * ira.h (ira_hard_regno_cover_class, ira_reg_class_nregs,
10701         ira_memory_move_cost, ira_class_hard_regs,
10702         ira_class_hard_regs_num, ira_no_alloc_regs,
10703         ira_available_class_regs, ira_reg_class_cover_size,
10704         ira_reg_class_cover, ira_class_translate): Move from ira-int.h.
10705         (ira_setup_eliminable_regset, ira_set_pseudo_classes,
10706         ira_implicitly_set_insn_hard_regs): New prototypes.
10707
10708         * ira-costs.c (pseudo_classes_defined_p, allocno_p,
10709         cost_elements_num): New variables.
10710         (allocno_costs, total_costs): Rename to costs and
10711         total_allocno_costs.
10712         (COSTS_OF_ALLOCNO): Rename to COSTS.
10713         (allocno_pref): Rename to pref.
10714         (allocno_pref_buffer): Rename to pref_buffer.
10715         (common_classes): Rename to regno_cover_class.
10716         (COST_INDEX): New.
10717         (record_reg_classes): Set allocno attributes only if allocno_p.
10718         (record_address_regs): Ditto.  Use COST_INDEX instead of ALLOCNO_NUM.
10719         (scan_one_insn): Use COST_INDEX and COSTS instead of ALLOCNO_NUM
10720         and COSTS_OF_ALLOCNO.
10721         (print_costs): Rename to print_allocno_costs.
10722         (print_pseudo_costs): New.
10723         (process_bb_node_for_costs): Split into 2 functions with new
10724         function process_bb_for_costs.  Pass BB to process_bb_for_costs.
10725         (find_allocno_class_costs): Rename to find_costs_and_classes.  Add
10726         new parameter dump_file.  Use cost_elements_num instead of
10727         ira_allocnos_num.  Make one iteration if preferred classes were
10728         already calculated for scheduler.  Make 2 versions of code
10729         depending on allocno_p.
10730         (setup_allocno_cover_class_and_costs): Check allocno_p.  Use
10731         regno_cover_class and COSTS instead of common_classes and
10732         COSTS_OF_ALLOCNO.
10733         (init_costs, finish_costs): New.
10734         (ira_costs): Set up allocno_p and cost_elements_num.  Call
10735         init_costs and finish_costs.
10736         (ira_set_pseudo_classes): New.
10737
10738         * rtl.h (allocate_reg_info): Remove.
10739         (resize_reg_info): Change return type.
10740         (reg_cover_class): New.
10741         (setup_reg_classes): Add new parameter.
10742
10743         * sched-int.h (struct deps_reg): New member implicit_sets.
10744         (sched_pressure_p, sched_regno_cover_class): New external definitions.
10745         (INCREASE_BITS): New macro.
10746         (struct reg_pressure_data, struct reg_use_data): New.
10747         (struct _haifa_insn_data): Remove reg_weight.  Add members
10748         reg_pressure, reg_use_list, reg_set_list, and
10749         reg_pressure_excess_cost_change.
10750         (struct deps): New member implicit_sets.
10751         (pressure_p): New variable.
10752         (COVER_CLASS_BITS, INCREASE_BITS): New macros.
10753         (struct reg_pressure_data, struct reg_use_data): New.
10754         (INSN_REG_WEIGHT): Remove.
10755         (INSN_REG_PRESSURE, INSN_MAX_REG_PRESSURE, INSN_REG_USE_LIST,
10756         INSN_REG_SET_LIST, INSN_REG_PRESSURE_EXCESS_COST_CHANGE): New macros.
10757         (sched_init_region_reg_pressure_info,
10758         sched_setup_bb_reg_pressure_info): New prototypes.
10759
10760         * reginfo.c (struct reg_pref): New member coverclass.
10761         (reg_cover_class): New function.
10762         (reginfo_init, pass_reginfo_init): Move after free_reg_info.
10763         (reg_info_size): New variable.
10764         (allocate_reg_info): Make static.  Setup reg_info_size.
10765         (resize_reg_info): Use reg_info_size.  Return flag of resizing.
10766         (setup_reg_classes): Add a new parameter.  Setup cover class too.
10767
10768         * Makefile.in (reload.o, haifa-sched.o, sched-deps.o): Add ira.h to
10769         the dependencies.
10770
10771         * sched-rgn.c (deps_join): Set up implicit_sets.
10772         (schedule_region): Set up region and basic blocks pressure
10773         relative info.
10774
10775         * passes.c (init_optimization_passes): Move
10776         pass_subregs_of_mode_init before pass_sched.
10777
10778 2009-09-02  Martin Jambor  <mjambor@suse.cz>
10779
10780         * tree-sra.c (struct access): New field grp_hint.
10781         (dump_access): Dump grp_hint.
10782         (sort_and_splice_var_accesses): Set grp_hint if a group is read
10783         multiple times.
10784         (analyze_access_subtree): Only scalarize accesses with grp_hint set or
10785         those which have been specifically read and somehow written to.
10786         (propagate_subacesses_accross_link): Set grp_hint of right child and
10787         also possibly of the left child.
10788
10789 2009-09-02  Jakub Jelinek  <jakub@redhat.com>
10790
10791         * tree-object-size.c (addr_object_size): Always use object_size_type
10792         0 or 2 when determining the pointer pointed object size.
10793
10794 2009-09-02  Richard Guenther  <rguenther@suse.de>
10795
10796         Revert
10797         2009-08-31  Richard Guenther  <rguenther@suse.de>
10798
10799         * builtins.c (fold_builtin_memory_op): Use the alias oracle
10800         to query if the memory regions for memmove overlap.
10801         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Relax the
10802         asserts on pointers, instead deal with odd trees.
10803         (ptr_derefs_may_alias_p): Likewise.
10804         (refs_may_alias_p_1): Constructor bases also never alias.
10805
10806 2009-08-01  Christian Bruel  <christian.bruel@st.com>
10807
10808         Revert:
10809         2009-07-31  Christian Bruel  <christian.bruel@st.com>
10810         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
10811
10812 2009-09-01  Alexandre Oliva  <aoliva@redhat.com>
10813
10814         * doc/invoke.texi (-fvar-tracking-assignments): New.
10815         (-fvar-tracking-assignments-toggle): New.
10816         (-fdump-final-insns=file): Mark filename as optional.
10817         (--param min-nondebug-insn-uid): New.
10818         (-gdwarf-@{version}): Mention version 4.
10819         * opts.c (common_handle_option): Accept it.
10820         * tree-vrp.c (find_assert_locations_1): Skip debug stmts.
10821         * regrename.c (regrename_optimize): Drop last.  Don't count debug
10822         insns as uses.  Don't reject change because of debug insn.
10823         (do_replace): Reject DEBUG_INSN as chain starter.  Take base_regno
10824         from the chain starter, and check for inexact matches in DEBUG_INSNS.
10825         (scan_rtx_reg): Accept inexact matches in DEBUG_INSNs.
10826         (build_def_use): Simplify and fix the marking of DEBUG_INSNs.
10827         * sched-ebb.c (schedule_ebbs): Skip boundary debug insns.
10828         * fwprop.c (forward_propagate_and_simplify): ...into debug insns.
10829         * doc/gimple.texi (is_gimple_debug): New.
10830         (gimple_debug_bind_p): New.
10831         (is_gimple_call, gimple_assign_cast_p): End sentence with period.
10832         * doc/install.texi (bootstrap-debug): More details.
10833         (bootstrap-debug-big, bootstrap-debug-lean): Document.
10834         (bootstrap-debug-lib): More details.
10835         (bootstrap-debug-ckovw): Update.
10836         (bootstrap-time): New.
10837         * tree-into-ssa.c (mark_def_sites): Skip debug stmts.
10838         (insert_phi_nodes_for): Insert debug stmts.
10839         (rewrite_stmt): Take iterator.  Insert debug stmts.
10840         (rewrite_enter_block): Adjust.
10841         (maybe_replace_use_in_debug_stmt): New.
10842         (rewrite_update_stmt): Use it.
10843         (mark_use_interesting): Return early for debug stmts.
10844         * tree-ssa-loop-im.c (rewrite_bittest): Propagate DEFs into debug
10845         stmts before replacing stmt.
10846         (move_computations_stmt): Likewise.
10847         * ira-conflicts.c (add_copies): Skip debug insns.
10848         * regstat.c (regstat_init_n_sets_and_refs): Discount debug insns.
10849         (regstat_bb_compute_ri): Skip debug insns.
10850         * tree-ssa-threadupdate.c (redirection_block_p): Skip debug stmts.
10851         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
10852         check_loop_closed_ssa_stmt): Skip debug stmts.
10853         * tree-tailcall.c (find_tail_calls): Likewise.
10854         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
10855         * tree.h (MAY_HAVE_DEBUG_STMTS): New.
10856         (build_var_debug_value_stat): Declare.
10857         (build_var_debug_value): Define.
10858         (target_for_debug_bind): Declare.
10859         * reload.c (find_equiv_reg): Skip debug insns.
10860         * rtlanal.c (reg_used_between_p): Skip debug insns.
10861         (side_effects_p): Likewise.
10862         (canonicalize_condition): Likewise.
10863         * ddg.c (create_ddg_dep_from_intra_loop_link): Check that non-debug
10864         insns never depend on debug insns.
10865         (create_ddg_dep_no_link): Likewise.
10866         (add_cross_iteration_register_deps): Use ANTI_DEP for debug insns.
10867         Don't add inter-loop dependencies for debug insns.
10868         (build_intra_loop_deps): Likewise.
10869         (create_ddg): Count debug insns.
10870         * ddg.h (struct ddg::num_debug): New.
10871         (num_backargs): Pair up with previous int field.
10872         * diagnostic.c (diagnostic_report_diagnostic): Skip notes on
10873         -fcompare-debug-second.
10874         * final.c (get_attr_length_1): Skip debug insns.
10875         (rest_of_clean-state): Don't dump CFA_RESTORE_STATE.
10876         * gcc.c (invoke_as): Call compare-debug-dump-opt.
10877         (driver_self_specs): Map -fdump-final-insns to
10878         -fdump-final-insns=..
10879         (get_local_tick): New.
10880         (compare_debug_dump_opt_spec_function): Test for . argument and
10881         compute output name.  Compute temp output spec without flag name.
10882         Compute -frandom-seed.
10883         (OPT): Undef after use.
10884         * cfgloopanal.c (num_loop_insns): Skip debug insns.
10885         (average_num_loop_insns): Likewise.
10886         * params.h (MIN_NONDEBUG_INSN_UID): New.
10887         * gimple.def (GIMPLE_DEBUG): New.
10888         * ipa-reference.c (scan_stmt_for_static_refs): Skip debug stmts.
10889         * auto-inc-dec.c (merge_in_block): Skip debug insns.
10890         (merge_in_block): Fix whitespace.
10891         * toplev.c (flag_var_tracking): Update comment.
10892         (flag_var_tracking_assignments): New.
10893         (flag_var_tracking_assignments_toggle): New.
10894         (process_options): Don't open final insns dump file if we're not
10895         going to write to it.  Compute defaults for var_tracking.
10896         * df-scan.c (df_insn_rescan_debug_internal): New.
10897         (df_uses_record): Handle debug insns.
10898         * haifa-sched.c (ready): Initialize n_debug.
10899         (contributes_to_priority): Skip debug insns.
10900         (dep_list_size): New.
10901         (priority): Use it.
10902         (rank_for_schedule): Likewise.  Schedule debug insns as soon as
10903         they're ready.  Disregard previous debug insns to make decisions.
10904         (queue_insn): Never queue debug insns.
10905         (ready_add, ready_remove_first, ready_remove): Count debug insns.
10906         (schedule_insn): Don't reject debug insns because of issue rate.
10907         (get_ebb_head_tail, no_real_insns_p): Skip boundary debug insns.
10908         (queue_to_ready): Skip and discount debug insns.
10909         (choose_ready): Let debug insns through.
10910         (schedule_block): Check boundary debug insns.  Discount debug
10911         insns, schedule them early.  Adjust whitespace.
10912         (set_priorities): Check for boundary debug insns.
10913         (add_jump_dependencies): Use dep_list_size.
10914         (prev_non_location_insn): New.
10915         (check_cfg): Use it.
10916         * tree-ssa-loop-ivopts.c (find-interesting_users): Skip debug
10917         stmts.
10918         (remove_unused_ivs): Reset debug stmts.
10919         * modulo-sched.c (const_iteration_count): Skip debug insns.
10920         (res_MII): Discount debug insns.
10921         (loop_single_full_bb_p): Skip debug insns.
10922         (sms_schedule): Likewise.
10923         (sms_schedule_by_order): Likewise.
10924         (ps_has_conflicts): Likewise.
10925         * caller-save.c (refmarker_fn): New.
10926         (save_call_clobbered_regs): Replace regs with saved mem in
10927         debug insns.
10928         (mark_referenced_regs): Take pointer, mark and arg.  Adjust.
10929         Call refmarker_fn mark for hardregnos.
10930         (mark_reg_as_referenced): New.
10931         (replace_reg_with_saved_mem): New.
10932         * ipa-pure-const.c (check_stmt): Skip debug stmts.
10933         * cse.c (cse_insn): Canonicalize debug insns.  Skip them when
10934         searching back.
10935         (cse_extended_basic_block): Skip debug insns.
10936         (count_reg_usage): Likewise.
10937         (is_dead_reg): New, split out of...
10938         (set_live_p): ... here.
10939         (insn_live_p): Use it for debug insns.
10940         * tree-stdarg.c (check_all_va_list_escapes): Skip debug stmts.
10941         (execute_optimize_stdarg): Likewise.
10942         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
10943         * tree-ssa-propagate.c (substitute_and_fold): Don't regard
10944         changes in debug stmts as changes.
10945         * sel-sched.c (moving_insn_creates_bookkeeping_block_p): New.
10946         (moveup_expr): Don't move across debug insns.  Don't move
10947         debug insn if it would create a bookkeeping block.
10948         (moveup_expr_cached): Don't use cache for debug insns that
10949         are heads of blocks.
10950         (compute_av_set_inside_bb): Skip debug insns.
10951         (sel_rank_for_schedule): Schedule debug insns first.  Remove
10952         dead code.
10953         (block_valid_for_bookkeeping_p); Support lax searches.
10954         (create_block_for_bookkeeping): Adjust block numbers when
10955         encountering debug-only blocks.
10956         (find_place_for_bookkeeping): Deal with debug-only blocks.
10957         (generate_bookkeeping_insn): Accept no place to insert.
10958         (remove_temp_moveop_nops): New argument full_tidying.
10959         (prepare_place_to_insert): Deal with debug insns.
10960         (advance_state_on_fence): Debug insns don't start cycles.
10961         (update_boundaries): Take fence as argument.  Deal with
10962         debug insns.
10963         (schedule_expr_on_boundary): No full_tidying on debug insns.
10964         (fill_insns): Deal with debug insns.
10965         (track_scheduled_insns_and_blocks): Don't count debug insns.
10966         (need_nop_to_preserve_insn_bb): New, split out of...
10967         (remove_insn_from_stream): ... this.
10968         (fur_orig_expr_not_found): Skip debug insns.
10969         * rtl.def (VALUE): Move up.
10970         (DEBUG_INSN): New.
10971         * tree-ssa-sink.c (all_immediate_uses_same_place): Skip debug stmts.
10972         (nearest_common_dominator_of_uses): Take debug_stmts argument.
10973         Set it if debug stmts are found.
10974         (statement_sink_location): Skip debug stmts.  Propagate
10975         moving defs into debug stmts.
10976         * ifcvt.c (first_active_insn): Skip debug insns.
10977         (last_active_insns): Likewise.
10978         (cond_exec_process_insns): Likewise.
10979         (noce_process_if_block): Likewise.
10980         (check_cond_move_block): Likewise.
10981         (cond_move_convert_if_block): Likewise.
10982         (block_jumps_and_fallthru_p): Likewise.
10983         (dead_or_predicable): Likewise.
10984         * dwarf2out.c (debug_str_hash_forced): New.
10985         (find_AT_string): Add comment.
10986         (gen_label_for_indirect_string): New.
10987         (get_debug_string_label): New.
10988         (AT_string_form): Use it.
10989         (mem_loc_descriptor): Handle non-TLS symbols.  Handle MINUS , DIV,
10990         MOD, AND, IOR, XOR, NOT, ABS, NEG, and CONST_STRING.  Accept but
10991         discard COMPARE, IF_THEN_ELSE, ROTATE, ROTATERT, TRUNCATE and
10992         several operations that cannot be represented with DWARF opcodes.
10993         (loc_descriptor): Ignore SIGN_EXTEND and ZERO_EXTEND.  Require
10994         dwarf_version 4 for DW_OP_implicit_value and DW_OP_stack_value.
10995         (dwarf2out_var_location): Take during-call mark into account.
10996         (output_indirect_string): Update comment.  Output if there are
10997         label and references.
10998         (prune_indirect_string): New.
10999         (prune_unused_types): Call it if debug_str_hash_forced.
11000         More in dwarf2out.c, from Jakub Jelinek <jakub@redhat.com>:
11001         (dw_long_long_const): Remove.
11002         (struct dw_val_struct): Change val_long_long type to rtx.
11003         (print_die, attr_checksum, same_dw_val_p, loc_descriptor): Adjust for
11004         val_long_long change to CONST_DOUBLE rtx from a long hi/lo pair.
11005         (output_die): Likewise.  Use HOST_BITS_PER_WIDE_INT size of each
11006         component instead of HOST_BITS_PER_LONG.
11007         (output_loc_operands): Likewise.  For const8* assert
11008         HOST_BITS_PER_WIDE_INT rather than HOST_BITS_PER_LONG is >= 64.
11009         (output_loc_operands_raw): For const8* assert HOST_BITS_PER_WIDE_INT
11010         rather than HOST_BITS_PER_LONG is >= 64.
11011         (add_AT_long_long): Remove val_hi and val_lo arguments, add
11012         val_const_double.
11013         (size_of_die): Use HOST_BITS_PER_WIDE_INT size multiplier instead of
11014         HOST_BITS_PER_LONG for dw_val_class_long_long.
11015         (add_const_value_attribute): Adjust add_AT_long_long caller.  Don't
11016         handle TLS SYMBOL_REFs.  If CONST wraps a constant, tail recurse.
11017         (dwarf_stack_op_name): Handle DW_OP_implicit_value and
11018         DW_OP_stack_value.
11019         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
11020         Handle DW_OP_implicit_value.
11021         (extract_int): Move prototype earlier.
11022         (mem_loc_descriptor): For SUBREG punt if inner
11023         mode size is wider than DWARF2_ADDR_SIZE.  Handle SIGN_EXTEND
11024         and ZERO_EXTEND by DW_OP_shl and DW_OP_shr{a,}.  Handle
11025         EQ, NE, GT, GE, LT, LE, GTU, GEU, LTU, LEU, SMIN, SMAX, UMIN,
11026         UMAX, SIGN_EXTRACT, ZERO_EXTRACT.
11027         (loc_descriptor): Compare mode size with DWARF2_ADDR_SIZE
11028         instead of Pmode size.
11029         (loc_descriptor): Add MODE argument.  Handle CONST_INT, CONST_DOUBLE,
11030         CONST_VECTOR, CONST, LABEL_REF and SYMBOL_REF if mode != VOIDmode,
11031         attempt to handle other expressions.  Don't handle TLS SYMBOL_REFs.
11032         (concat_loc_descriptor, concatn_loc_descriptor,
11033         loc_descriptor_from_tree_1): Adjust loc_descriptor callers.
11034         (add_location_or_const_value_attribute): Likewise.  For single
11035         location loc_lists attempt to use add_const_value_attribute
11036         for constant decls.  Add DW_AT_const_value even if
11037         NOTE_VAR_LOCATION is VAR_LOCATION with CONSTANT_P or CONST_STRING
11038         in its expression.
11039         * cfgbuild.c (inside_basic_block_p): Handle debug insns.
11040         (control_flow_insn_p): Likewise.
11041         * tree-parloops.c (eliminate_local_variables_stmt): Handle debug stmt.
11042         (separate_decls_in_region_debug_bind): New.
11043         (separate_decls_in_region): Process debug bind stmts afterwards.
11044         * recog.c (verify_changes): Handle debug insns.
11045         (extract_insn): Likewise.
11046         (peephole2_optimize): Skip debug insns.
11047         * dse.c (scan_insn): Skip debug insns.
11048         * sel-sched-ir.c (return_nop_to_pool): Take full_tidying argument.
11049         Pass it on.
11050         (setup_id_for_insn): Handle debug insns.
11051         (maybe_tidy_empty_bb): Adjust whitespace.
11052         (tidy_control_flow): Skip debug insns.
11053         (sel_remove_insn): Adjust for debug insns.
11054         (sel_estimate_number_of_insns): Skip debug insns.
11055         (create_insn_rtx_from_pattern): Handle debug insns.
11056         (create_copy_of_insn_rtx): Likewise.
11057         * sel-sched-.h (sel_bb_end): Declare.
11058         (sel_bb_empty_or_nop_p): New.
11059         (get_all_loop_exits): Use it.
11060         (_eligible_successor_edge_p): Likewise.
11061         (return_nop_to_pool): Adjust.
11062         * tree-eh.c (tre_empty_eh_handler_p): Skip debug stmts.
11063         * ira-lives.c (process_bb_node_lives): Skip debug insns.
11064         * gimple-pretty-print.c (dump_gimple_debug): New.
11065         (dump_gimple_stmt): Use it.
11066         (dump_bb_header): Skip gimple debug stmts.
11067         * regmove.c (optimize_reg_copy_1): Discount debug insns.
11068         (fixup_match_2): Likewise.
11069         (regmove_backward_pass): Likewise.  Simplify combined
11070         replacement.  Handle debug insns.
11071         * function.c (instantiate_virtual_regs): Handle debug insns.
11072         * function.h (struct emit_status): Add x_cur_debug_insn_uid.
11073         * print-rtl.h: Include cselib.h.
11074         (print_rtx): Print VALUEs.  Split out and recurse for VAR_LOCATIONs.
11075         * df.h (df_inns_rescan_debug_internal): Declare.
11076         * gcse.c (alloc_hash_table): Estimate n_insns.
11077         (cprop_insn): Don't regard debug insns as changes.
11078         (bypass_conditional_jumps): Skip debug insns.
11079         (one_pre_gcse_pass): Adjust.
11080         (one_code_hoisting_pass): Likewise.
11081         (compute_ld_motion_mems): Skip debug insns.
11082         (one_cprop_pass): Adjust.
11083         * tree-if-conv.c (tree_if_convert_stmt): Reset debug stmts.
11084         (if_convertible_stmt_p): Handle debug stmts.
11085         * init-regs.c (initialize_uninitialized_regs): Skip debug insns.
11086         * tree-vect-loop.c (vect_is_simple_reduction): Skip debug stmts.
11087         * ira-build.c (create_bb_allocnos): Skip debug insns.
11088         * tree-flow-inline.h (has_zero_uses): Discount debug stmts.
11089         (has_single_use): Likewise.
11090         (single_imm_use): Likewise.
11091         (num_imm_uses): Likewise.
11092         * tree-ssa-phiopt.c (empty_block_p): Skip debug stmts.
11093         * tree-ssa-coalesce.c (build_ssa_conflict_graph): Skip debug stmts.
11094         (create_outofssa_var_map): Likewise.
11095         * lower-subreg.c (adjust_decomposed_uses): New.
11096         (resolve_debug): New.
11097         (decompose_multiword_subregs): Use it.
11098         * tree-dfa.c (find_referenced_vars): Skip debug stmts.
11099         * emit-rtl.c: Include params.h.
11100         (cur_debug_insn_uid): Define.
11101         (set_new_first_and_last_insn): Set cur_debug_insn_uid too.
11102         (copy_rtx_if_shared_1): Handle debug insns.
11103         (reset_used_flags): Likewise.
11104         (set_used_flags): LIkewise.
11105         (get_max_insn_count): New.
11106         (next_nondebug_insn): New.
11107         (prev_nondebug_insn): New.
11108         (make_debug_insn_raw): New.
11109         (emit_insn_before_noloc): Handle debug insns.
11110         (emit_jump_insn_before_noloc): Likewise.
11111         (emit_call_insn_before_noloc): Likewise.
11112         (emit_debug_insn_before_noloc): New.
11113         (emit_insn_after_noloc): Handle debug insns.
11114         (emit_jump_insn_after_noloc): Likewise.
11115         (emit_call_insn_after_noloc): Likewise.
11116         (emit_debug_insn_after_noloc): Likewise.
11117         (emit_insn_after): Take loc from earlier non-debug insn.
11118         (emit_jump_insn_after): Likewise.
11119         (emit_call_insn_after): Likewise.
11120         (emit_debug_insn_after_setloc): New.
11121         (emit_debug_insn_after): New.
11122         (emit_insn_before): Take loc from later non-debug insn.
11123         (emit_jump_insn_before): Likewise.
11124         (emit_call_insn_before): Likewise.
11125         (emit_debug_insn_before_setloc): New.
11126         (emit_debug_insn_before): New.
11127         (emit_insn): Handle debug insns.
11128         (emit_debug_insn): New.
11129         (emit_jump_insn): Handle debug insns.
11130         (emit_call_insn): Likewise.
11131         (emit): Likewise.
11132         (init_emit): Take min-nondebug-insn-uid into account.
11133         Initialize cur_debug_insn_uid.
11134         (emit_copy_of_insn_after): Handle debug insns.
11135         * cfgexpand.c (gimple_assign_rhs_to_tree): Do not overwrite
11136         location of single rhs in place.
11137         (maybe_dump_rtl_for_gimple_stmt): Dump lineno.
11138         (floor_sdiv_adjust): New.
11139         (cell_sdiv_adjust): New.
11140         (cell_udiv_adjust): New.
11141         (round_sdiv_adjust): New.
11142         (round_udiv_adjust): New.
11143         (wrap_constant): Moved from cselib.
11144         (unwrap_constant): New.
11145         (expand_debug_expr): New.
11146         (expand_debug_locations): New.
11147         (expand_gimple_basic_block): Drop hiding redeclaration.  Expand
11148         debug bind stmts.
11149         (gimple_expand_cfg): Expand debug locations.
11150         * cselib.c: Include tree-pass.h.
11151         (struct expand_value_data): New.
11152         (cselib_record_sets_hook): New.
11153         (PRESERVED_VALUE_P, LONG_TERM_PRESERVED_VALUE_P): New.
11154         (cselib_clear_table): Move, and implemnet in terms of...
11155         (cselib_reset_table_with_next_value): ... this.
11156         (cselib_get_next_unknown_value): New.
11157         (discard_useless_locs): Don't discard preserved values.
11158         (cselib_preserve_value): New.
11159         (cselib_preserved_value_p): New.
11160         (cselib_preserve_definitely): New.
11161         (cselib_clear_preserve): New.
11162         (cselib_preserve_only_values): New.
11163         (new_cselib_val): Take rtx argument.  Dump it in details.
11164         (cselib_lookup_mem): Adjust.
11165         (expand_loc): Take regs_active in struct.  Adjust.  Silence
11166         dumps unless details are requested.
11167         (cselib_expand_value_rtx_cb): New.
11168         (cselib_expand_value_rtx): Rename and reimplment in terms of...
11169         (cselib_expand_value_rtx_1): ... this.  Adjust.  Silence dumps
11170         without details.  Copy more subregs.  Try to resolve values
11171         using a callback.  Wrap constants.
11172         (cselib_subst_to_values): Adjust.
11173         (cselib_log_lookup): New.
11174         (cselib_lookup): Call it.
11175         (cselib_invalidate_regno): Don't count preserved values as useless.
11176         (cselib_invalidate_mem): Likewise.
11177         (cselib_record_set): Likewise.
11178         (struct set): Renamed to cselib_set, moved to cselib.h.
11179         (cselib_record_sets): Adjust.  Call hook.
11180         (cselib_process_insn): Reset table when it would be cleared.
11181         (dump_cselib_val): New.
11182         (dump_cselib_table): New.
11183         * tree-cfgcleanup.c (tree_forwarded_block_p): Skip debug stmts.
11184         (remove_forwarder_block): Support moving debug stmts.
11185         * cselib.h (cselib_record_sets_hook): Declare.
11186         (cselib_expand_callback): New type.
11187         (cselib_expand_value_rtx_cb): Declare.
11188         (cselib_reset_table_with_next_value): Declare.
11189         (cselib_get_next_unknown_value): Declare.
11190         (cselib_preserve_value): Declare.
11191         (cselib_preserved_value_p): Declare.
11192         (cselib_preserve_only_values): Declare.
11193         (dump_cselib_table): Declare.
11194         * cfgcleanup.c (flow_find_cross_jump): Skip debug insns.
11195         (try_crossjump_to_edge): Likewise.
11196         (delete_unreachable_blocks): Remove dominant GIMPLE blocks after
11197         dominated blocks when debug stmts are present.
11198         * simplify-rtx.c (delegitimize_mem_from_attrs): New.
11199         * tree-ssa-live.c (remove_unused_locals): Skip debug stmts.
11200         (set_var_live_on_entry): Likewise.
11201         * loop-invariant.c (find_invariants_bb): Skip debug insns.
11202         * cfglayout.c (curr_location, last_location): Make static.
11203         (set_curr_insn_source_location): Don't avoid bouncing.
11204         (get_curr_insn_source_location): New.
11205         (get_curr_insn_block): New.
11206         (duplicate_insn_chain): Handle debug insns.
11207         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Propagate
11208         into debug stmts.
11209         * common.opt (fcompare-debug): Move to sort order.
11210         (fdump-unnumbered-links): Likewise.
11211         (fvar-tracking-assignments): New.
11212         (fvar-tracking-assignments-toggle): New.
11213         * tree-ssa-dce.c (mark_stmt_necessary): Don't mark blocks
11214         because of debug stmts.
11215         (mark_stmt_if_obviously_necessary): Mark debug stmts.
11216         (eliminate_unnecessary_stmts): Walk dominated blocks before
11217         dominators.
11218         * tree-ssa-ter.c (find_replaceable_in_bb): Skip debug stmts.
11219         * ira.c (memref_used_between_p): Skip debug insns.
11220         (update_equiv_regs): Likewise.
11221         * sched-deps.c (sd_lists_size): Accept empty list.
11222         (sd_init_insn): Mark debug insns.
11223         (sd_finish_insn): Unmark them.
11224         (sd_add_dep): Reject non-debug deps on debug insns.
11225         (fixup_sched_groups): Give debug insns group treatment.
11226         Skip debug insns.
11227         (sched_analyze_reg): Don't mark debug insns for sched before call.
11228         (sched_analyze_2): Handle debug insns.
11229         (sched_analyze_insn): Compute next non-debug insn.  Handle debug
11230         insns.
11231         (deps_analyze_insn): Handle debug insns.
11232         (deps_start_bb): Skip debug insns.
11233         (init_deps): Initialize last_debug_insn.
11234         * tree-ssa.c (target_for_debug_bind): New.
11235         (find_released_ssa_name): New.
11236         (propagate_var_def_into_debug_stmts): New.
11237         (propagate_defs_into_debug_stmts): New.
11238         (verify_ssa): Skip debug bind stmts without values.
11239         (warn_uninialized_vars): Skip debug stmts.
11240         * target-def.h (TARGET_DELEGITIMIZE_ADDRESS): Set default.
11241         * rtl.c (rtx_equal_p_cb): Handle VALUEs.
11242         (rtx_equal_p): Likewise.
11243         * ira-costs.c (scan_one_insn): Skip debug insns.
11244         (process_bb_node_for_hard_reg_moves): Likewise.
11245         * rtl.h (DEBUG_INSN_P): New.
11246         (NONDEBUG_INSN_P): New.
11247         (MAY_HAVE_DEBUG_INSNS): New.
11248         (INSN_P): Accept debug insns.
11249         (RTX_FRAME_RELATED_P): Likewise.
11250         (INSN_DELETED_P): Likewise
11251         (PAT_VAR_LOCATION_DECL): New.
11252         (PAT_VAR_LOCATION_LOC): New.
11253         (PAT_VAR_OCATION_STATUS): New.
11254         (NOTE_VAR_LOCATION_DECL): Reimplement.
11255         (NOTE_VAR_LOCATION_LOC): Likewise.
11256         (NOTE_VAR_LOCATION_STATUS): Likewise.
11257         (INSN_VAR_LOCATION): New.
11258         (INSN_VAR_LOCATION_DECL): New.
11259         (INSN_VAR_LOCATION_LOC): New.
11260         (INSN_VAR_LOCATION_STATUS): New.
11261         (gen_rtx_UNKNOWN_VAR_LOC): New.
11262         (VAR_LOC_UNKNOWN_P): New.
11263         (NOTE_DURING_CALL_P): New.
11264         (SCHED_GROUP_P): Accept debug insns.
11265         (emit_debug_insn_before): Declare.
11266         (emit_debug_insn_before_noloc): Declare.
11267         (emit_debug_insn_beore_setloc): Declare.
11268         (emit_debug_insn_after): Declare.
11269         (emit_debug_insn_after_noloc): Declare.
11270         (emit_debug_insn_after_setloc): Declare.
11271         (emit_debug_insn): Declare.
11272         (make_debug_insn_raw): Declare.
11273         (prev_nondebug_insn): Declare.
11274         (next_nondebug_insn): Declare.
11275         (delegitimize_mem_from_attrs): Declare.
11276         (get_max_insn_count): Declare.
11277         (wrap_constant): Declare.
11278         (unwrap_constant): Declare.
11279         (get_curr_insn_source_location): Declare.
11280         (get_curr_insn_block): Declare.
11281         * tree-inline.c (insert_debug_decl_map): New.
11282         (processing_debug_stmt): New.
11283         (remap_decl): Don't create new mappings in debug stmts.
11284         (remap_gimple_op_r): Don't add references in debug stmts.
11285         (copy_tree_body_r): Likewise.
11286         (remap_gimple_stmt): Handle debug bind stmts.
11287         (copy_bb): Skip debug stmts.
11288         (copy_edges_for_bb): Likewise.
11289         (copy_debug_stmt): New.
11290         (copy_debug_stmts): New.
11291         (copy_body): Copy debug stmts at the end.
11292         (insert_init_debug_bind): New.
11293         (insert_init_stmt): Take id.  Skip and emit debug stmts.
11294         (setup_one_parameter): Remap variable earlier, register debug mapping.
11295         (estimate_num_insns): Skip debug stmts.
11296         (expand_call_inline): Preserve debug_map.
11297         (optimize_inline_calls): Check for no debug_stmts left-overs.
11298         (unsave_expr_now): Preserve debug_map.
11299         (copy_gimple_seq_and_replace_locals): Likewise.
11300         (tree_function_versioning): Check for no debug_stmts left-overs.
11301         Init and destroy debug_map as needed.  Split edges unconditionally.
11302         (build_duplicate_type): Init and destroy debug_map as needed.
11303         * tree-inline.h: Include gimple.h instead of pointer-set.h.
11304         (struct copy_body_data): Add debug_stmts and debug_map.
11305         * sched-int.h (struct ready_list): Add n_debug.
11306         (struct deps): Add last_debug_insn.
11307         (DEBUG_INSN_SCHED_P): New.
11308         (BOUNDARY_DEBUG_INSN_P): New.
11309         (SCHEDULE_DEBUG_INSN_P): New.
11310         (sd_iterator_cond): Accept empty list.
11311         * combine.c (create_log_links): Skip debug insns.
11312         (combine_instructions): Likewise.
11313         (cleanup_auto_inc_dec): New.  From Jakub Jelinek: Make sure the
11314         return value is always unshared.
11315         (struct rtx_subst_pair): New.
11316         (auto_adjust_pair): New.
11317         (propagate_for_debug_subst): New.
11318         (propagate_for_debug): New.
11319         (try_combine): Skip debug insns.  Propagate removed defs into
11320         debug insns.
11321         (next_nonnote_nondebug_insn): New.
11322         (distribute_notes): Use it.  Skip debug insns.
11323         (distribute_links): Skip debug insns.
11324         * tree-outof-ssa.c (set_location_for_edge): Likewise.
11325         * resource.c (mark_target_live_regs): Likewise.
11326         * var-tracking.c: Include cselib.h and target.h.
11327         (enum micro_operation_type): Add MO_VAL_USE, MO_VAL_LOC, and
11328         MO_VAL_SET.
11329         (micro_operation_type_name): New.
11330         (enum emit_note_where): Add EMIT_NOTE_AFTER_CALL_INSN.
11331         (struct micro_operation_def): Update comments.
11332         (decl_or_value): New type.  Use instead of decls.
11333         (struct emit_note_data_def): Add vars.
11334         (struct attrs_def): Use decl_or_value.
11335         (struct variable_tracking_info_def): Add permp, flooded.
11336         (struct location_chain_def): Update comment.
11337         (struct variable_part_def): Use decl_or_value.
11338         (struct variable_def): Make var_part a variable length array.
11339         (valvar_pool): New.
11340         (scratch_regs): New.
11341         (cselib_hook_called): New.
11342         (dv_is_decl_p): New.
11343         (dv_is_value_p): New.
11344         (dv_as_decl): New.
11345         (dv_as_value): New.
11346         (dv_as_opaque): New.
11347         (dv_onepart_p): New.
11348         (dv_pool): New.
11349         (IS_DECL_CODE): New.
11350         (check_value_is_not_decl): New.
11351         (dv_from_decl): New.
11352         (dv_from_value): New.
11353         (dv_htab_hash): New.
11354         (variable_htab_hash): Use it.
11355         (variable_htab_eq): Support values.
11356         (variable_htab_free): Free from the right pool.
11357         (attrs_list_member, attrs_list_insert): Use decl_or_value.
11358         (attrs_list_union): Adjust.
11359         (attrs_list_mpdv_union): New.
11360         (tie_break_pointers): New.
11361         (canon_value_cmp): New.
11362         (unshare_variable): Return possibly-modified slot.
11363         (vars_copy_1): Adjust.
11364         (var_reg_decl_set): Adjust.  Split out of...
11365         (var_reg_set): ... this.
11366         (get_init_value): Adjust.
11367         (var_reg_delete_and_set): Adjust.
11368         (var_reg_delete): Adjust.
11369         (var_regno_delete): Adjust.
11370         (var_mem_decl_set): Split out of...
11371         (var_mem_set): ... this.
11372         (var_mem_delete_and_set): Adjust.
11373         (var_mem_delete): Adjust.
11374         (val_store): New.
11375         (val_reset): New.
11376         (val_resolve): New.
11377         (variable_union): Adjust.  Speed up merge of 1-part vars.
11378         (variable_canonicalize): Use unshared slot.
11379         (VALUED_RECURSED_INTO): New.
11380         (find_loc_in_1pdv): New.
11381         (struct dfset_merge): New.
11382         (insert_into_intersection): New.
11383         (intersect_loc_chains): New.
11384         (loc_cmp): New.
11385         (canonicalize_loc_order_check): New.
11386         (canonicalize_values_mark): New.
11387         (canonicalize_values_star): New.
11388         (variable_merge_over_cur): New.
11389         (variable_merge_over_src): New.
11390         (dataflow_set_merge): New.
11391         (dataflow_set_equiv_regs): New.
11392         (remove_duplicate_values): New.
11393         (struct dfset_post_merge): New.
11394         (variable_post_merge_new_vals): New.
11395         (variable_post_merge_perm_vals): New.
11396         (dataflow_post_merge_adjust): New.
11397         (find_mem_expr_in_1pdv): New.
11398         (dataflow_set_preserve_mem_locs): New.
11399         (dataflow_set_remove_mem_locs): New.
11400         (dataflow_set_clear_at_call): New.
11401         (onepart_variable_different_p): New.
11402         (variable_different_p): Use it.
11403         (dataflow_set_different_1): Adjust.  Make detailed dump more verbose.
11404         (track_expr_p): Add need_rtl parameter.  Don't generate rtl
11405         if not needed.
11406         (track_loc_p): Pass it true.
11407         (struct count_use_info): New.
11408         (find_use_val): New.
11409         (replace_expr_with_values): New.
11410         (log_op_type): New.
11411         (use_type): New, partially split out of...
11412         (count_uses): ... this.  Count new micro-ops.
11413         (count_uses_1): Adjust.
11414         (count_stores): Adjust.
11415         (count_with_sets): New.
11416         (VAL_NEEDS_RESOLUTION): New.
11417         (VAL_HOLDS_TRACK_EXPR): New.
11418         (VAL_EXPR_IS_COPIED): New.
11419         (VAL_EXPR_IS_CLOBBERED): New.
11420         (add_uses): Adjust.  Generate new micro-ops.
11421         (add_uses_1): Adjust.
11422         (add_stores): Generate new micro-ops.
11423         (add_with_sets): New.
11424         (find_src_status): Adjust.
11425         (find_src_set_src): Adjust.
11426         (compute_bb_dataflow): Use dataflow_set_clear_at_call.
11427         Handle new micro-ops.  Canonicalize value equivalances.
11428         (vt_find_locations): Compute total size of hash tables for
11429         dumping.  Perform merge for var-tracking-assignments.  Don't
11430         disregard single-block loops.
11431         (dump_attrs_list): Handle decl_or_value.
11432         (dump_variable): Take variable.  Deal with decl_or_value.
11433         (dump_variable_slot): New.
11434         (dump_vars): Use it.
11435         (dump_dataflow_sets): Adjust.
11436         (set_slot_part): New, extended to support one-part variables
11437         after splitting out of...
11438         (set_variable_part): ... this.
11439         (clobber_slot_part): New, split out of...
11440         (clobber_variable_part): ... this.
11441         (delete_slot_part): New, split out of...
11442         (delete_variable_part): .... this.
11443         (check_wrap_constant): New.
11444         (vt_expand_loc_callback): New.
11445         (vt_expand_loc): New.
11446         (emit_note_insn_var_location): Adjust.  Handle values.  Handle
11447         EMIT_NOTE_AFTER_CALL_INSN.
11448         (emit_notes_for_differences_1): Adjust.  Handle values.
11449         (emit_notes_for_differences_2): Likewise.
11450         (emit_notes_for_differences): Adjust.
11451         (emit_notes_in_bb): Take pointer to set.  Emit AFTER_CALL_INSN notes.
11452         Adjust.  Handle new micro-ops.
11453         (vt_add_function_parameters): Adjust.  Create and bind values.
11454         (vt_initialize): Adjust.  Initialize scratch_regs and
11455         valvar_pool, flooded and perm..  Initialize and use cselib.  Log
11456         operations.  Move some code to count_with_sets and add_with_sets.
11457         (delete_debug_insns): New.
11458         (vt_debug_insns_local): New.
11459         (vt_finalize): Release permp, valvar_pool, scratch_regs.  Finish
11460         cselib.
11461         (var_tracking_main): If var-tracking-assignments is enabled
11462         but var-tracking isn't, delete debug insns and leave.  Likewise
11463         if we exceed limits or fail the stack adjustments tests, and
11464         after all var-tracking processing.
11465         More in var-tracking, from Jakub Jelinek <jakub@redhat.com>:
11466         (dataflow_set): Add traversed_vars.
11467         (value_chain, const_value_chain): New typedefs.
11468         (value_chain_pool, value_chains): New variables.
11469         (value_chain_htab_hash, value_chain_htab_eq, add_value_chain,
11470         add_value_chains, add_cselib_value_chains, remove_value_chain,
11471         remove_value_chains, remove_cselib_value_chains): New functions.
11472         (shared_hash_find_slot_unshare_1, shared_hash_find_slot_1,
11473         shared_hash_find_slot_noinsert_1, shared_hash_find_1): New
11474         static inlines.
11475         (shared_hash_find_slot_unshare, shared_hash_find_slot,
11476         shared_hash_find_slot_noinsert, shared_hash_find): Update.
11477         (dst_can_be_shared): New variable.
11478         (unshare_variable): Unshare set->vars if shared, use shared_hash_*.
11479         Clear dst_can_be_shared.  If set->traversed_vars is non-NULL and
11480         different from set->vars, look up slot again instead of using the
11481         passed in slot.
11482         (dataflow_set_init): Initialize traversed_vars.
11483         (variable_union): Use shared_hash_*.  Use initially NO_INSERT
11484         lookup if set->vars is shared.  Don't keep slot cleared before
11485         calling unshare_variable.  Unshare set->vars if needed.  Adjust
11486         unshare_variable callers.  Clear dst_can_be_shared if needed.
11487         Even ->refcount == 1 vars must be unshared if set->vars is shared
11488         and var needs to be modified.
11489         (dataflow_set_union): Set traversed_vars during canonicalization.
11490         (VALUE_CHANGED, DECL_CHANGED): Define.
11491         (set_dv_changed, dv_changed_p): New static inlines.
11492         (track_expr_p): Clear DECL_CHANGED.
11493         (dump_dataflow_sets): Set it.
11494         (variable_was_changed): Call set_dv_changed.
11495         (emit_note_insn_var_location): Likewise.
11496         (changed_variables_stack): New variable.
11497         (check_changed_vars_1, check_changed_vars_2): New functions.
11498         (emit_notes_for_changes): Do nothing if changed_variables is
11499         empty.  Traverse changed_variables with check_changed_vars_1,
11500         call check_changed_vars_2 on each changed_variables_stack entry.
11501         (emit_notes_in_bb): Add SET argument.  Just clear it at the
11502         beginning, use it instead of local &set, don't destroy it at the end.
11503         (vt_emit_notes): Call dataflow_set_clear early on all
11504         VTI(bb)->out sets, never use them, instead use emit_notes_in_bb
11505         computed set, dataflow_set_clear also VTI(bb)->in when we are
11506         done with the basic block.  Initialize changed_variables_stack,
11507         free it afterwards.  If ENABLE_CHECKING verify that after noting
11508         differences to an empty set value_chains hash table is empty.
11509         (vt_initialize): Initialize value_chains and value_chain_pool.
11510         (vt_finalize): Delete value_chains htab, free value_chain_pool.
11511         (variable_tracking_main): Call dump_dataflow_sets before calling
11512         vt_emit_notes, not after it.
11513         * tree-flow.h (propagate_defs_into_debug_stmts): Declare.
11514         (propagate_var_def_into_debug_stmts): Declare.
11515         * df-problems.c (df_lr_bb_local_compute): Skip debug insns.
11516         (df_set_note): Reject debug insns.
11517         (df_whole_mw_reg_dead_p): Take added_notes_p argument.  Don't
11518         add notes to debug insns.
11519         (df_note_bb_compute): Adjust.  Likewise.
11520         (df_simulate_uses): Skip debug insns.
11521         (df_simulate_initialize_backwards): Likewise.
11522         * reg-stack.c (subst_stack_regs_in_debug_insn): New.
11523         (subst_stack_regs_pat): Reject debug insns.
11524         (convert_regs_1): Handle debug insns.
11525         * Makefile.in (TREE_INLINE_H): Take pointer-set.h from GIMPLE_H.
11526         (print-rtl.o): Depend on cselib.h.
11527         (cselib.o): Depend on TREE_PASS_H.
11528         (var-tracking.o): Depend on cselib.h and TARGET_H.
11529         * sched-rgn.c (rgn_estimate_number_of_insns): Discount debug insns.
11530         (init_ready_list): Skip boundary debug insns.
11531         (add_branch_dependences): Skip debug insns.
11532         (free_block_dependencies): Check for blocks with only debug insns.
11533         (compute_priorities): Likewise.
11534         * gimple.c (gss_for_code): Handle GIMPLE_DEBUG.
11535         (gimple_build_with_ops_stat): Take subcode as unsigned.  Adjust
11536         all callers.
11537         (gimple_build_debug_bind_stat): New.
11538         (empty_body_p): Skip debug stmts.
11539         (gimple_has_side_effects): Likewise.
11540         (gimple_rhs_has_side_effects): Likewise.
11541         * gimple.h (enum gimple_debug_subcode, GIMPLE_DEBUG_BIND): New.
11542         (gimple_build_debug_bind_stat): Declare.
11543         (gimple_build_debug_bind): Define.
11544         (is_gimple_debug): New.
11545         (gimple_debug_bind_p): New.
11546         (gimple_debug_bind_get_var): New.
11547         (gimple_debug_bind_get_value): New.
11548         (gimple_debug_bind_get_value_ptr): New.
11549         (gimple_debug_bind_set_var): New.
11550         (gimple_debug_bind_set_value): New.
11551         (GIMPLE_DEBUG_BIND_NOVALUE): New internal temporary macro.
11552         (gimple_debug_bind_reset_value): New.
11553         (gimple_debug_bind_has_value_p): New.
11554         (gsi_next_nondebug): New.
11555         (gsi_prev_nondebug): New.
11556         (gsi_start_nondebug_bb): New.
11557         (gsi_last_nondebug_bb): New.
11558         * sched-vis.c (print_pattern): Handle VAR_LOCATION.
11559         (print_insn): Handle DEBUG_INSN.
11560         * tree-cfg.c (remove_bb): Walk stmts backwards.  Let loc
11561         of first insn prevail.
11562         (first_stmt): Skip debug stmts.
11563         (first_non_label_stmt): Likewise.
11564         (last_stmt): Likewise.
11565         (has_zero_uses_1): New.
11566         (single_imm_use_1): New.
11567         (verify_gimple_debug): New.
11568         (verify_types_in_gimple_stmt): Handle debug stmts.
11569         (verify_stmt): Likewise.
11570         (debug_loop_num): Skip debug stmts.
11571         (remove_edge_and_dominated_blocks): Remove dominators last.
11572         * tree-ssa-reasssoc.c (rewrite_expr_tree): Propagate into debug stmts.
11573         (linearize_expr): Likewise.
11574         * config/i386/i386.c (ix86_delegitimize_address): Call
11575         default implementation.
11576         * config/ia64/ia64.c (ia64_safe_itanium_class): Handle debug insns.
11577         (group_barrier_needed): Skip debug insns.
11578         (emit_insn_group_barriers): Likewise.
11579         (emit_all_insn_group_barriers): Likewise.
11580         (ia64_variable_issue): Handle debug insns.
11581         (ia64_dfa_new_cycle): Likewise.
11582         (final_emit_insn_group_barriers): Skip debug insns.
11583         (ia64_dwarf2out_def_steady_cfa): Take frame argument.  Don't
11584         def cfa without frame.
11585         (process_set): Likewise.
11586         (process_for_unwind_directive): Pass frame on.
11587         * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
11588         (rs6000_delegitimize_address): New.
11589         (rs6000_debug_adjust_cost): Handle debug insns.
11590         (is_microcoded_insn): Likewise.
11591         (is_cracked_insn): Likewise.
11592         (is_nonpipeline_insn): Likewise.
11593         (insn_must_be_first_in_group): Likewise.
11594         (insn_must_be_last_in_group): Likewise.
11595         (force_new_group): Likewise.
11596         * cfgrtl.c (rtl_split_block): Emit INSN_DELETED note if block
11597         contains only debug insns.
11598         (rtl_merge_blocks): Skip debug insns.
11599         (purge_dead_edges): Likewise.
11600         (rtl_block_ends_with_call_p): Skip debug insns.
11601         * dce.c (deletable_insn_p): Handle VAR_LOCATION.
11602         (mark_reg_dependencies): Skip debug insns.
11603         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): New.
11604         * tree-ssanames.c (release_ssa_name): Propagate def into debug stmts.
11605         * tree-ssa-threadedge.c
11606         (record_temporary_equivalences_from_stmts): Skip debug stmts.
11607         * regcprop.c (replace_oldest_value_addr): Skip debug insns.
11608         (replace_oldest_value_mem): Use ALL_REGS for debug insns.
11609         (copyprop_hardreg_forward_1): Handle debug insns.
11610         * reload1.c (reload): Skip debug insns.  Replace unassigned
11611         pseudos in debug insns with their equivalences.
11612         (eliminate_regs_in_insn): Skip debug insns.
11613         (emit_input_reload_insns): Skip debug insns at first, adjust
11614         them later.
11615         * tree-ssa-operands.c (add_virtual_operand): Reject debug stmts.
11616         (get_indirect_ref_operands): Pass opf_no_vops on.
11617         (get_expr_operands): Likewise.  Skip debug stmts.
11618         (parse_ssa_operands): Scan debug insns with opf_no_vops.
11619
11620 2009-09-01  Richard Henderson  <rth@redhat.com>
11621
11622         * tree-ssa-ccp.c (ccp_initialize): Make sure to simulate
11623         stmt_ends_pp_p statements at least once.
11624         * tree-vrp.c (vrp_initialize): Likewise.
11625         (vrp_visit_stmt): Be prepared for non-interesting stmts.
11626
11627 2009-09-01  Dodji Seketeli  <dodji@redhat.com>
11628
11629         PR bootstrap/41205
11630         Fix AIX bootstrap after PR debug/30161
11631         * dwarf2out.c (make_ith_pack_parameter_name): Don't used strnlen
11632         that is a GNU extension.
11633         (tmpl_value_parm_die_table): Move the definition of this global
11634         outside #ifdef DWARF2_DEBUGGING_INFO region.
11635
11636 2009-09-01  Richard Guenther  <rguenther@suse.de>
11637
11638         * tree.c (tree_expr_size): New function.
11639         * tree.h (tree_expr_size): Declare.
11640         * rtlanal.c (rtx_addr_can_trap_p_1): Adjust comment.
11641         * builtins.c (fold_builtin_memory_op): Use tree_expr_size.
11642         * langhooks.c (lhd_expr_size): Remove.
11643         * langhooks.h (struct lang_hooks): Remove expr_size.
11644         * explow.c (expr_size): Use tree_expr_size.
11645         (int_expr_size): Likewise.
11646         * langhooks-def.h (lhd_expr_size): Remove.
11647         (LANG_HOOKS_EXPR_SIZE): Likewise.
11648         (LANG_HOOKS_INITIALIZER): Adjust.
11649
11650 2009-09-01  Richard Guenther  <rguenther@suse.de>
11651
11652         * tree-flow.h (mark_addressable): Move declaration ...
11653         * tree.h (mark_addressable): ... here.
11654         * stmt.c (expand_asm_operands): Use mark_addressable, not
11655         lang_hooks.mark_addressable.
11656         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
11657         LANG_HOOKS_MARK_ADDRESSABLE.
11658         * langhooks.h (struct lang_hooks): Remove mark_addressable langhook.
11659         * c-objc-common.h (LANG_HOOKS_MARK_ADDRESSABLE): Remove.
11660
11661 2009-08-31  Chris Demetriou  <cgd@google.com>
11662
11663         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Never
11664         vectorize if not TARGET_SSE2.
11665
11666 2009-08-31  DJ Delorie  <dj@redhat.com>
11667
11668         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Exclude coprocessor
11669         registers if no coprocessor is enabled.
11670
11671 2009-08-31  Dodji Seketeli  <dodji@redhat.com>
11672
11673         PR debug/30161
11674         * cgraph.h (cgraph_get_node): Declare ...
11675         * cgraph.c (cgraph_get_node): ... new function.
11676         * dwarf2out.c (gen_generic_params_dies,
11677         generic_parameter_die, tree_add_const_value_attribute_for_decl,
11678         make_ith_pack_parameter_name,
11679         append_entry_to_tmpl_value_parm_die_table,
11680         gen_remaining_tmpl_value_param_die_attribute): New functions.
11681         (gen_subprogram_die): Generate debug info for template parameters
11682         if debug info level is higher than DINFO_LEVEL_TERSE.
11683         Use tree_add_const_value_attribute_for_decl instead of
11684         tree_add_const_value_attribute.
11685         (gen_const_die): Use tree_add_const_value_attribute_for_decl
11686         instead of tree_add_const_value_attribute.
11687         (gen_struct_or_union_type_die): Generate debug
11688         info for template parameters if debug info level is higher than
11689         DINFO_LEVEL_TERSE.
11690         (tree_add_const_value_attribute): Handle integral and pointer
11691         constants. Update comment.
11692         (dwarf_tag_name): Support DW_TAG_GNU_template_template_param.
11693         (dwarf_attr_name): Support DW_AT_GNU_template_name.
11694         (reference_to_unused): Fix thinko. Remove redundant predicates from
11695         tests.
11696         (tree_add_const_value_attribute): Make this work for constant
11697         expressions only.
11698         tree_add_const_value_attribute_for_decl is to be used for variable
11699         DECLs now.
11700         (add_location_or_const_value_attribute): Use
11701         tree_add_const_value_attribute_for_decl now.
11702         (dwarf2out_finish): Emit the DW_AT_const_value attribute of
11703         DW_TAG_template_value_param DIEs after function DIEs have been
11704         emitted.
11705         * langhooks.h (lang_hooks_for_types): Add
11706         get_argument_pack_elems.
11707         (lang_hooks_for_decls): Add generic_generic_parameter_decl_p.
11708         (lang_hooks): Added get_innermost_generic_parms,
11709         get_innermost_generic_args.
11710         * langhooks-def.h (LANG_HOOKS_GET_INNERMOST_GENERIC_PARMS,
11711         LANG_HOOKS_GET_INNERMOST_GENERIC_ARGS,
11712         LANG_HOOKS_GET_ARGUMENT_PACK_ELEMS,
11713         LANG_HOOKS_GENERIC_GENERIC_PARAMETER_DECL_P): New language hooks.
11714
11715 2009-08-31  DJ Delorie  <dj@redhat.com>
11716
11717         * config/mep/mep.c (machine_function): Add frame_locked flag.  Set
11718         it once we start generating the prologue or epilogue.
11719         (mep_call_saves_register): If the frame is locked, re-use
11720         cached values.
11721         (mep_assign_save_slots): New, broken out from mep_expand_prologue.
11722         (mep_expand_prologue): Call it.
11723         (mep_expand_epilogue): Likewise.
11724         (mep_start_function): Use the same logic as mep_expand_prologue.
11725         (mep_pass_by_reference): Make logic more readable.
11726         (mep_return_in_memory): Zero-sized objects are passed in memory.
11727         (mep_reorg_noframe): Make sure we have accurate REG_DEAD notes.
11728
11729 2009-08-31  Richard Guenther  <rguenther@suse.de>
11730
11731         * builtins.c (fold_builtin_memory_op): Use the alias oracle
11732         to query if the memory regions for memmove overlap.
11733         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Relax the
11734         asserts on pointers, instead deal with odd trees.
11735         (ptr_derefs_may_alias_p): Likewise.
11736         (refs_may_alias_p_1): Constructor bases also never alias.
11737
11738 2009-08-31  Gerald Pfeifer  <gerald@pfeifer.com>
11739
11740         * doc/install.texi (Final install): Adjust reference on where to
11741         order printed manuals.
11742
11743 2009-08-30  Olivier Hainque  <hainque@adacore.com>
11744
11745         * dwarf2out.c (switch_to_frame_table_section): Move
11746         definition prior to first use.
11747
11748 2009-08-30  Richard Guenther  <rguenther@suse.de>
11749
11750         PR tree-optimization/41186
11751         * tree-ssa-alias.c (ptr_deref_may_alias_ref_p): Remove.
11752         (ao_ref_init_from_ptr_and_size): New function.
11753         (ref_maybe_used_by_call_p_1): Be more precise tracking
11754         used ranges for builtin functions.
11755         (ref_maybe_used_by_call_p): Adjust.
11756         (call_may_clobber_ref_p_1): Be more precise tracking clobbered
11757         ranges for builtin functions.
11758         * tree-ssa-alias.h (ao_ref_init_from_ptr_and_size): Declare.
11759
11760 2009-08-30  Alan Modra  <amodra@bigpond.net.au>
11761
11762         PR target/41081
11763         * fwprop.c (get_reg_use_in): Delete.
11764         (free_load_extend): New function.
11765         (forward_propagate_subreg): Use it.
11766
11767 2009-08-29  Kaz Kojima  <kkojima@gcc.gnu.org>
11768
11769         * config.gcc (sh*-*-elf): Add superh stuff only for sh*-superh-elf.
11770
11771 2009-08-29  Kai Tietz<kai.tietz@onevision.com>
11772
11773         PR/41184
11774         * config/i386.c (ix86_expand_epilogue): Correct stack adjustment for
11775         padding.
11776
11777 2009-08-29  Douglas B Rupp  <rupp@gnat.com>
11778
11779         * crtstuff.c (__do_global_dtors_aux): Use atexit if no
11780         fini or fini_array section.
11781
11782 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
11783
11784         * graphite-dependences.c (graphite_legal_transform_bb): Call
11785         pbb_remove_duplicate_pdrs.
11786         * graphite-poly.c (can_collapse_pdr): Removed.
11787         (pdr_find_duplicate): Removed.
11788         (can_collapse_pdrs): New.
11789         (pbb_remove_duplicate_pdrs): New.
11790         (new_poly_dr): Do not look for duplicates.
11791         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
11792         (PBB_PDR_DUPLICATES_REMOVED): New.
11793         (pbb_remove_duplicate_pdrs): Declared.
11794
11795 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
11796
11797         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
11798         the strides by multiplying by PDR_NB_REFS.
11799         * graphite-poly.c (can_collapse_pdr): New.
11800         (pdr_find_duplicate): New.
11801         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
11802         Initialize PDR_NB_REFS.
11803         * graphite-poly.h (struct poly_dr): Add field nb_refs.
11804         (PDR_NB_REFS): New.
11805         (new_poly_dr): Number of subscripts is a graphite_dim_t.
11806
11807 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
11808
11809         PR middle-end/40965
11810         * graphite-poly.c (apply_poly_transforms): Remove legality test before
11811         any transform.
11812
11813 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
11814
11815         * graphite-dependences.c (pddr_original_scattering): Return NULL
11816         for read-read dependence relations.
11817         * graphite-poly.h (enum poly_dr_type): Fix comment.
11818         (pdr_read_p): New.
11819         (pdr_write_p): New.
11820         (pdr_may_write_p): New.
11821
11822 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
11823
11824         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
11825         (struct poly_dr): Same.
11826         (new_poly_dr): Same.
11827         * graphite-poly.c (new_poly_dr): Same.
11828         * graphite-dependences.c (dot_deps): Disable call to system.
11829
11830 2009-08-28  Cary Coutant  <ccoutant@google.com>
11831
11832         PR debug/41063
11833         * dwarf2out.c (gen_type_die_with_usage): Use proper context for
11834         struct/union/enum types local to a function.
11835
11836 2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
11837             Sebastian Pop  <sebastian.pop@amd.com>
11838
11839         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
11840         pbb_strip_mine_time_depth.  Changed the implementation so that
11841         transformation is expressed as a transformation on
11842         time (scatttering) dimensions.  Also, ensures that the 2d+1
11843         scheduling format is preserved.
11844         (pbb_strip_mine_profitable_p): Profitability is based on the
11845         iteration number of a given time (scattering) dimension,
11846         and not on a original loop depth dimension.
11847         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
11848         (pbb_do_strip_mine): Call psct_dynamic_dim.
11849         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
11850         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
11851         (pbb_nb_dynamic_scattering_transform): New.
11852         (psct_dynamic_dim): New.
11853
11854 2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
11855
11856         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
11857         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
11858         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
11859         * graphite-interchange.c (build_linearized_memory_access): Same.
11860         (memory_stride_in_loop): Same.
11861
11862 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
11863
11864         * graphite-dependences.c (pddr_original_scattering): New.
11865         (graphite_legal_transform_dr): Call pddr_original_scattering.
11866         (dot_deps_1): New.
11867         (dot_deps): New.
11868         * graphite-dependences.h (dot_deps): Declared.
11869         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
11870         (print_pdr): Print PDR_ID.
11871         * graphite-poly.h (struct poly_dr): Add field id.
11872         (PDR_ID): New.
11873         (pbb_index): New.
11874         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
11875
11876 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
11877
11878         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
11879         not delete the original dependence relation.
11880
11881 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
11882
11883         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
11884         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
11885         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
11886         (free_poly_ddr): New.
11887         (pddr_is_empty): New.
11888         (dependence_polyhedron_1): Now returns a poly_ddr_p.
11889         (dependence_polyhedron): Same.  Remove useless gcc_assert.
11890         Remove fprintfs.
11891         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
11892         (graphite_carried_dependence_level_k): Call pddr_is_empty.
11893         * graphite-dependences.h (enum poly_dependence_kind): New.
11894         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
11895         (PDRP_SOURCE): Renamed PDDR_SOURCE.
11896         (PDRP_SINK): Renamed PDDR_SINK.
11897         (PDRP_DDP): Renamed PDDR_DDP.
11898         (PDDR_KIND): New.
11899         (free_poly_ddr): Declared.
11900         * graphite-poly.c (new_scop): Use the new hash function names.
11901         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
11902         into original_pddrs.
11903         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
11904
11905 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
11906
11907         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
11908         bounds with LT_EXPR to make niter analysis more precise on code
11909         generated by Graphite.
11910
11911 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
11912
11913         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
11914         (graphite_legal_transform_bb): Same.
11915         (poly_drs_may_alias_p): Same.
11916
11917 2009-08-28  Richard Guenther  <rguenther@suse.de>
11918
11919         * tree.def: Remove note about obsolete TYPE_NONCOPIED_PARTS.
11920
11921 2009-08-28  Jan Beulich  <jbeulich@novell.com>
11922
11923         * config/i386/netware.c: Include langhooks.h.
11924         (i386_nlm_encode_section_info): Simplify.
11925         (netware_override_options): Delete.
11926         * config/i386/netware.h (netware_override_options): Delete
11927         declaration.
11928         (OVERRIDE_OPTIONS): Delete definition.
11929         (SUBTARGET_OVERRIDE_OPTIONS): Define.
11930         (ASM_COMMENT_START): Define.
11931         * config/i386/nwld.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Define.
11932
11933 2009-08-28  Jan Beulich  <jbeulich@novell.com>
11934
11935         * configure.ac: For in-tree ld, do a plain version check to
11936         determine whether comdat groups are supported.
11937         * configure: Regenerate.
11938
11939 2009-08-28  Olivier Hainque  <hainque@adacore.com>
11940
11941         * collect2.c (DO_COLLECT_EXPORT_LIST): New internal macro,
11942         always defined.  Reflect definition or absence of such for
11943         COLLECT_EXPORT_LIST.  Readability helper.
11944         (scanfilter): New enum, to help control what symbols
11945         are to be considered or ignored by scan_prog_file.
11946         (enum pass): Rename as "scanpass", moved together with scanfilter
11947         prior to scan_prog_file's prototype.
11948         (scan_prog_file): Accept and honor scanpass and scanfilter arguments.
11949         Group prototype with the scanpass/scanfilter definitions, factorize
11950         head comments for the several implementations at the prototype.
11951         (main): Reorganize the first pass link control to let AIX
11952         drag only the needed frame tables in executables.  Prevent
11953         frame tables collection during the scan aimed at static ctors.
11954         Pre-link and scan for frame tables later to compensate.
11955         * doc/tm.texi (ASM_OUTPUT_DWARF_TABLE_REF): New macro.
11956         A C statement to issue assembly directives that create a reference
11957         to the given DWARF table identifier label from the current function
11958         section.
11959         * dwarf2out.c (switch_to_eh_frame_section): Add a BACK argument
11960         to differentiate first time section entry.  Only emit a .data
11961         tables start identifier label the first time around.
11962         (switch_to_frame_table_section): New function.  Helper for
11963         output_call_frame_info to switch possibly BACK into the eh_frame
11964         or the debug_frame section depending on FOR_EH.
11965         (output_call_frame_info): Use helper to first enter the proper
11966         frame section.
11967         (output_fde): Use ASM_OUTPUT_DWARF_TABLE_REF when defined to
11968         emit a link to the frame table start label from each function
11969         section.
11970         * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
11971         New function.  Implementation of ASM_OUTPUT_DWARF_TABLE_REF.
11972         * config/rs6000/rs6000-protos.h: Declare it.
11973         * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Define.
11974
11975 2009-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
11976
11977         * config/sh/sh.c (split_branches): Check the result of
11978         next_active_insn.
11979
11980 2009-08-27  Steve Ellcey  <sje@cup.hp.com>
11981
11982         * config/ia64/hpux.h (LIB_SPEC): Add -lrt for when
11983         using -pthread -fopenmp
11984
11985 2009-08-27  Gerald Pfeifer  <gerald@pfeifer.com>
11986
11987         * doc/service.texi (service directory): Update URL.
11988
11989 2009-08-27  Uros Bizjak  <ubizjak@gmail.com>
11990
11991         PR rtl-optimization/40861
11992         * simplify-rtx.c (simplify_subreg): Do not call simplify_gen_subreg to
11993         extract word from a multi-word subreg for negative byte positions.
11994
11995 2009-08-27  Tristan Gingold  <gingold@adacore.com>
11996             Douglas B Rupp  <rupp@gnat.com>
11997
11998         * config/ia64/ia64.c (ia64_attribute_table): Add "common_object" entry.
11999         (SECTION_VMS_OVERLAY): Define.
12000         (ia64_vms_common_object_attribute): Added.  Handle the "common_object"
12001         attribute.
12002         (ia64_vms_elf_asm_named_section): Added.  Generate .section pseudo-op
12003         for common_object.
12004         (ia64_vms_output_aligned_decl_common): Added.  Generate pseudo-op for
12005         common_object declarations.
12006         (ia64_section_type_flags): Set section flag for common_object.
12007         * config/ia64/ia64-protos.h
12008         (ia64_vms_output_aligned_decl_common): Declare.
12009         (ia64_vms_elf_asm_named_section): Declare.
12010
12011 2009-08-27  Michael Matz  <matz@suse.de>
12012
12013         * expr.c (expand_expr_real_2): New function taking exploded
12014         unary or binary expression, split out from ...
12015         (expand_expr_real_1): ... here.  Move over all unary/binary
12016         switch parts to above function, in particular these codes:
12017         PAREN_EXPR, NOP_EXPR, CONVERT_EXPR, POINTER_PLUS_EXPR, PLUS_EXPR,
12018         MINUS_EXPR, MULT_EXPR, TRUNC_DIV_EXPR, FLOOR_DIV_EXPR, CEIL_DIV_EXPR,
12019         ROUND_DIV_EXPR, EXACT_DIV_EXPR, RDIV_EXPR, TRUNC_MOD_EXPR,
12020         FLOOR_MOD_EXPR, CEIL_MOD_EXPR, ROUND_MOD_EXPR, FIXED_CONVERT_EXPR,
12021         FIX_TRUNC_EXPR, FLOAT_EXPR, NEGATE_EXPR, ABS_EXPR, MAX_EXPR, MIN_EXPR,
12022         BIT_NOT_EXPR, TRUTH_AND_EXPR, BIT_AND_EXPR, TRUTH_OR_EXPR,
12023         BIT_IOR_EXPR, TRUTH_XOR_EXPR, BIT_XOR_EXPR, LROTATE_EXPR, RROTATE_EXPR,
12024         LSHIFT_EXPR, RSHIFT_EXPR, LT_EXPR, LE_EXPR, GT_EXPR, GE_EXPR, EQ_EXPR,
12025         NE_EXPR, UNORDERED_EXPR, ORDERED_EXPR, UNLT_EXPR, UNLE_EXPR, UNGT_EXPR,
12026         UNGE_EXPR, UNEQ_EXPR, LTGT_EXPR, TRUTH_NOT_EXPR, COMPLEX_EXPR,
12027         WIDEN_SUM_EXPR, REDUC_MAX_EXPR, REDUC_MIN_EXPR, REDUC_PLUS_EXPR,
12028         VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR, VEC_INTERLEAVE_HIGH_EXPR,
12029         VEC_INTERLEAVE_LOW_EXPR, VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR,
12030         VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR, VEC_UNPACK_FLOAT_HI_EXPR,
12031         VEC_UNPACK_FLOAT_LO_EXPR, VEC_WIDEN_MULT_HI_EXPR,
12032         VEC_WIDEN_MULT_LO_EXPR, VEC_PACK_TRUNC_EXPR, VEC_PACK_SAT_EXPR,
12033         VEC_PACK_FIX_TRUNC_EXPR.
12034         (<case PAREN_EXPR>): Call set_mem_attributes() with type, not the
12035         full expression.
12036
12037 2009-08-27  Richard Guenther  <rguenther@suse.de>
12038
12039         * gengtype.c (main): Handle uint64_t.
12040         * ipa-utils.c (get_base_var): Indent properly.
12041         * tree-ssa-live.c (debug_scope_block): New function.
12042         * tree-flow.h (debug_scope_block): Declare.
12043         * tree-ssa-copy.c (replace_exp_1): Add vertical space.
12044         * basic-block.h (enum profile_status): Rename to
12045         enum profile_status_d.
12046         (x_profile_status): Adjust type.
12047
12048 2009-08-27  Dodji Seketeli  <dodji@redhat.com>
12049
12050         PR debug/41170
12051         * dwarf2out.c (get_context_die): Declare this static function.
12052         (gen_type_die_with_usage): Make sure a DIE is a generated for
12053         the context of a typedef.
12054
12055 2009-08-26  Anatoly Sokolov  <aesok@post.ru>
12056
12057         * doc/invoke.texi (AVR Options): Remove documentation of -minit-stack
12058         switch.
12059
12060 2009-08-26  Richard Sandiford  <rdsandiford@googlemail.com>
12061
12062         * config/mips/mips-protos.h (mips_output_sync): Declare.
12063         (mips_sync_loop_insns): Likewise.
12064         (mips_output_sync_loop): Replace first two parameters with an rtx.
12065         * config/mips/mips.c (mips_multi_member): New structure.
12066         (mips_multi_members): New variable.
12067         (mips_multi_start): New function.
12068         (mips_multi_add): Likewise.
12069         (mips_multi_add_insn): Likewise.
12070         (mips_multi_add_label): Likewise.
12071         (mips_multi_last_index): Likewise.
12072         (mips_multi_copy_insn): Likewise.
12073         (mips_multi_set_operand): Likewise.
12074         (mips_multi_write): Likewise.
12075         (mips_print_operand_punctuation): Remove '%|' and '%-'.
12076         (mips_init_print_operand_punct): Update accordingly.
12077         (mips_start_ll_sc_sync_block): New function.
12078         (mips_end_ll_sc_sync_block): Likewise.
12079         (mips_output_sync): Likewise.
12080         (mips_sync_insn1_template): Likewise.
12081         (mips_sync_insn2_template): Likewise.
12082         (mips_get_sync_operand): Likewise.
12083         (mips_process_sync_loop): Likewise.
12084         (mips_output_sync_loop): Use mips_process_sync_loop.
12085         (mips_sync_loop_insns): New function.
12086         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Delete.
12087         (MIPS_COMPARE_AND_SWAP_12): Likewise.
12088         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP): Likewise.
12089         (MIPS_COMPARE_AND_SWAP_12_NONZERO_OP): Likewise.
12090         (MIPS_SYNC_OP, MIPS_SYNC_OP_12): Likewise.
12091         (MIPS_SYNC_OP_12_AND, MIPS_SYNC_OP_12_XOR): Likewise.
12092         (MIPS_SYNC_OLD_OP_12): Likewise.
12093         (MIPS_SYNC_OLD_OP_12_AND, MIPS_SYNC_OLD_OP_12_XOR): Likewise.
12094         (MIPS_SYNC_NEW_OP_12): Likewise.
12095         (MIPS_SYNC_NEW_OP_12_AND, MIPS_SYNC_NEW_OP_12_XOR): Likewise.
12096         (MIPS_SYNC_OLD_OP, MIPS_SYNC_NEW_OP): Likewise.
12097         (MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND): Likewise.
12098         (MIPS_SYNC_EXCHANGE, MIPS_SYNC_EXCHANGE_12): Likewise.
12099         (MIPS_SYNC_EXCHANGE_12_ZERO_OP): Likewise.
12100         (MIPS_SYNC_EXCHANGE_12_NONZER_OP): Likewise.
12101         * config/mips/mips.md (sync_mem): New attribute.
12102         (sync_oldval, sync_newval, sync_inclusive_mask): Likewise.
12103         (sync_exclusive_mask, sync_required_oldval): Likewise.
12104         (sync_insn1_op2, sync_insn1, sync_insn2): Likewise.
12105         (sync_release_barrier): Likewise.
12106         (length): Handle sync loops.
12107         (sync): Use mips_output_sync.
12108         * config/mips/sync.md (*memory_barrier): Use mips_output_sync.
12109         (sync_compare_and_swap<mode>): Set the new sync_* attributes
12110         and use mips_output_sync_loop.
12111         (compare_and_swap_12, sync_add<mode>, sync_<optab>_12): Likewise.
12112         (sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12): Likewise.
12113         (sync_old_nand_12, sync_new_nand_12, sync_sub<mode>): Likewise.
12114         (sync_old_add<mode>, sync_old_sub<mode>): Likewise.
12115         (sync_new_add<mode>, sync_new_sub<mode>): Likewise.
12116         (sync_<optab><mode>, sync_old_<optab><mode>): Likewise.
12117         (sync_new_<optab><mode>, sync_nand<mode>): Likewise.
12118         (sync_old_nand<mode>, sync_new_nand<mode>): Likewise.
12119         (sync_lock_test_and_set<mode>, test_and_set_12): Likewise.
12120
12121 2009-08-26  Richard Guenther  <rguenther@suse.de>
12122
12123         PR middle-end/41163
12124         * gimplify.c (gimplify_addr_expr): Canonicalize ADDR_EXPRs if
12125         the types to not match.
12126         * tree-cfg.c (verify_gimple_assign_single): Adjust ADDR_EXPR
12127         verification.
12128         * tree-ssa.c (useless_type_conversion_p): Conversions to
12129         pointers to unprototyped functions are useless.
12130
12131 2009-08-26  Richard Guenther  <rguenther@suse.de>
12132
12133         * tree-ssa-structalias.c (create_variable_info_for): Remove strange
12134         whole-program condition, prepare to be called for non-globals.
12135         (intra_create_variable_infos): For restrict qualified DECL_BY_REFERENCE
12136         params build a representative with known type and track its fields.
12137
12138 2009-08-26  Uros Bizjak  <ubizjak@gmail.com>
12139
12140         * config/alpha/sync.md: Update comment about unpredictable LL/SC lock
12141         clearing by a taken branch.
12142         (sync_<fetchop_name><mode>): Split when epilogue_completed is set,
12143         effectively after bbro pass.
12144         (sync_nand<mode>): Ditto.
12145         (sync_old_<fetchop_name><mode>): Ditto.
12146         (sync_old_nand<mode>): Ditto.
12147         (sync_new_<fetchop_name><mode>): Dito.
12148         (sync_new_nand<mode>): Ditto.
12149         (sync_compare_and_swap<mode>_1): Ditto.
12150         (*sync_compare_and_swap<mode>): Ditto.
12151         (sync_lock_test_and_set<mode>_1): Ditto.
12152         ("sync_lock_test_and_set<mode>): Ditto.
12153
12154 2009-08-25  Douglas B Rupp  <rupp@gnat.com>
12155
12156         * hwint.h (HOST_LONG_FORMAT): New macro
12157         * bitmap.c, c-decl.c, mips-tfile.c, print-rtl.c, print-tree.c:
12158         Use HOST_PTR_PRINTF.
12159         * system.h (HOST_PTR_PRINTF): Resurrect old macro
12160         * doc/hostconfig.texi (HOST_LONG_FORMAT): Document.
12161         (HOST_PTR_PRINTF): Document.
12162
12163 2009-08-25 Jan Hubicka  <jh@suse.cz>
12164
12165         * config/i386/bmmintrin.h: Replace by #error.
12166
12167         Revert:
12168         Michael Meissner  <michael.meissner@amd.com>
12169         Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
12170         Tony Linthicum  <tony.linthicum@amd.com>
12171
12172         * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
12173         (TARGET_ROUND): New macro for the round/ptest instructions which
12174         are shared between SSE4.1 and SSE5.
12175         (OPTION_MASK_ISA_ROUND): Ditto.
12176         (OPTION_ISA_ROUND): Ditto.
12177         (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
12178         (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.
12179
12180         * config/i386/i386.opt (-msse5): New switch for SSE5 support.
12181         (-mfused-madd): New switch to give users control over whether the
12182         compiler optimizes to use the multiply/add SSE5 instructions.
12183
12184         * config/i386/i386.c (enum pta_flags): Add PTA_SSE5.
12185         (ix86_handle_option): Turn off 3dnow if -msse5.
12186         (override_options): Add SSE5 support.
12187         (print_operand): %Y prints comparison codes for SSE5 com/pcom
12188         instructions.
12189         (ix86_expand_sse_movcc): Add SSE5 support.
12190         (ix86_expand_sse5_unpack): New function to use pperm to unpack a
12191         vector type to the next largest size.
12192         (ix86_expand_sse5_pack): New function to use pperm to pack a
12193         vector type to the next smallest size.
12194         (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
12195         (IX86_BUILTIN_FMADDSD): Ditto.
12196         (IX86_BUILTIN_FMADDPS): Ditto.
12197         (IX86_BUILTIN_FMADDPD): Ditto.
12198         (IX86_BUILTIN_FMSUBSS): Ditto.
12199         (IX86_BUILTIN_FMSUBSD): Ditto.
12200         (IX86_BUILTIN_FMSUBPS): Ditto.
12201         (IX86_BUILTIN_FMSUBPD): Ditto.
12202         (IX86_BUILTIN_FNMADDSS): Ditto.
12203         (IX86_BUILTIN_FNMADDSD): Ditto.
12204         (IX86_BUILTIN_FNMADDPS): Ditto.
12205         (IX86_BUILTIN_FNMADDPD): Ditto.
12206         (IX86_BUILTIN_FNMSUBSS): Ditto.
12207         (IX86_BUILTIN_FNMSUBSD): Ditto.
12208         (IX86_BUILTIN_FNMSUBPS): Ditto.
12209         (IX86_BUILTIN_FNMSUBPD): Ditto.
12210         (IX86_BUILTIN_PCMOV_V2DI): Ditto.
12211         (IX86_BUILTIN_PCMOV_V4SI): Ditto.
12212         (IX86_BUILTIN_PCMOV_V8HI): Ditto.
12213         (IX86_BUILTIN_PCMOV_V16QI): Ditto.
12214         (IX86_BUILTIN_PCMOV_V4SF): Ditto.
12215         (IX86_BUILTIN_PCMOV_V2DF): Ditto.
12216         (IX86_BUILTIN_PPERM): Ditto.
12217         (IX86_BUILTIN_PERMPS): Ditto.
12218         (IX86_BUILTIN_PERMPD): Ditto.
12219         (IX86_BUILTIN_PMACSSWW): Ditto.
12220         (IX86_BUILTIN_PMACSWW): Ditto.
12221         (IX86_BUILTIN_PMACSSWD): Ditto.
12222         (IX86_BUILTIN_PMACSWD): Ditto.
12223         (IX86_BUILTIN_PMACSSDD): Ditto.
12224         (IX86_BUILTIN_PMACSDD): Ditto.
12225         (IX86_BUILTIN_PMACSSDQL): Ditto.
12226         (IX86_BUILTIN_PMACSSDQH): Ditto.
12227         (IX86_BUILTIN_PMACSDQL): Ditto.
12228         (IX86_BUILTIN_PMACSDQH): Ditto.
12229         (IX86_BUILTIN_PMADCSSWD): Ditto.
12230         (IX86_BUILTIN_PMADCSWD): Ditto.
12231         (IX86_BUILTIN_PHADDBW): Ditto.
12232         (IX86_BUILTIN_PHADDBD): Ditto.
12233         (IX86_BUILTIN_PHADDBQ): Ditto.
12234         (IX86_BUILTIN_PHADDWD): Ditto.
12235         (IX86_BUILTIN_PHADDWQ): Ditto.
12236         (IX86_BUILTIN_PHADDDQ): Ditto.
12237         (IX86_BUILTIN_PHADDUBW): Ditto.
12238         (IX86_BUILTIN_PHADDUBD): Ditto.
12239         (IX86_BUILTIN_PHADDUBQ): Ditto.
12240         (IX86_BUILTIN_PHADDUWD): Ditto.
12241         (IX86_BUILTIN_PHADDUWQ): Ditto.
12242         (IX86_BUILTIN_PHADDUDQ): Ditto.
12243         (IX86_BUILTIN_PHSUBBW): Ditto.
12244         (IX86_BUILTIN_PHSUBWD): Ditto.
12245         (IX86_BUILTIN_PHSUBDQ): Ditto.
12246         (IX86_BUILTIN_PROTB): Ditto.
12247         (IX86_BUILTIN_PROTW): Ditto.
12248         (IX86_BUILTIN_PROTD): Ditto.
12249         (IX86_BUILTIN_PROTQ): Ditto.
12250         (IX86_BUILTIN_PROTB_IMM): Ditto.
12251         (IX86_BUILTIN_PROTW_IMM): Ditto.
12252         (IX86_BUILTIN_PROTD_IMM): Ditto.
12253         (IX86_BUILTIN_PROTQ_IMM): Ditto.
12254         (IX86_BUILTIN_PSHLB): Ditto.
12255         (IX86_BUILTIN_PSHLW): Ditto.
12256         (IX86_BUILTIN_PSHLD): Ditto.
12257         (IX86_BUILTIN_PSHLQ): Ditto.
12258         (IX86_BUILTIN_PSHAB): Ditto.
12259         (IX86_BUILTIN_PSHAW): Ditto.
12260         (IX86_BUILTIN_PSHAD): Ditto.
12261         (IX86_BUILTIN_PSHAQ): Ditto.
12262         (IX86_BUILTIN_FRCZSS): Ditto.
12263         (IX86_BUILTIN_FRCZSD): Ditto.
12264         (IX86_BUILTIN_FRCZPS): Ditto.
12265         (IX86_BUILTIN_FRCZPD): Ditto.
12266         (IX86_BUILTIN_CVTPH2PS): Ditto.
12267         (IX86_BUILTIN_CVTPS2PH): Ditto.
12268         (IX86_BUILTIN_COMEQSS): Ditto.
12269         (IX86_BUILTIN_COMNESS): Ditto.
12270         (IX86_BUILTIN_COMLTSS): Ditto.
12271         (IX86_BUILTIN_COMLESS): Ditto.
12272         (IX86_BUILTIN_COMGTSS): Ditto.
12273         (IX86_BUILTIN_COMGESS): Ditto.
12274         (IX86_BUILTIN_COMUEQSS): Ditto.
12275         (IX86_BUILTIN_COMUNESS): Ditto.
12276         (IX86_BUILTIN_COMULTSS): Ditto.
12277         (IX86_BUILTIN_COMULESS): Ditto.
12278         (IX86_BUILTIN_COMUGTSS): Ditto.
12279         (IX86_BUILTIN_COMUGESS): Ditto.
12280         (IX86_BUILTIN_COMORDSS): Ditto.
12281         (IX86_BUILTIN_COMUNORDSS): Ditto.
12282         (IX86_BUILTIN_COMFALSESS): Ditto.
12283         (IX86_BUILTIN_COMTRUESS): Ditto.
12284         (IX86_BUILTIN_COMEQSD): Ditto.
12285         (IX86_BUILTIN_COMNESD): Ditto.
12286         (IX86_BUILTIN_COMLTSD): Ditto.
12287         (IX86_BUILTIN_COMLESD): Ditto.
12288         (IX86_BUILTIN_COMGTSD): Ditto.
12289         (IX86_BUILTIN_COMGESD): Ditto.
12290         (IX86_BUILTIN_COMUEQSD): Ditto.
12291         (IX86_BUILTIN_COMUNESD): Ditto.
12292         (IX86_BUILTIN_COMULTSD): Ditto.
12293         (IX86_BUILTIN_COMULESD): Ditto.
12294         (IX86_BUILTIN_COMUGTSD): Ditto.
12295         (IX86_BUILTIN_COMUGESD): Ditto.
12296         (IX86_BUILTIN_COMORDSD): Ditto.
12297         (IX86_BUILTIN_COMUNORDSD): Ditto.
12298         (IX86_BUILTIN_COMFALSESD): Ditto.
12299         (IX86_BUILTIN_COMTRUESD): Ditto.
12300         (IX86_BUILTIN_COMEQPS): Ditto.
12301         (IX86_BUILTIN_COMNEPS): Ditto.
12302         (IX86_BUILTIN_COMLTPS): Ditto.
12303         (IX86_BUILTIN_COMLEPS): Ditto.
12304         (IX86_BUILTIN_COMGTPS): Ditto.
12305         (IX86_BUILTIN_COMGEPS): Ditto.
12306         (IX86_BUILTIN_COMUEQPS): Ditto.
12307         (IX86_BUILTIN_COMUNEPS): Ditto.
12308         (IX86_BUILTIN_COMULTPS): Ditto.
12309         (IX86_BUILTIN_COMULEPS): Ditto.
12310         (IX86_BUILTIN_COMUGTPS): Ditto.
12311         (IX86_BUILTIN_COMUGEPS): Ditto.
12312         (IX86_BUILTIN_COMORDPS): Ditto.
12313         (IX86_BUILTIN_COMUNORDPS): Ditto.
12314         (IX86_BUILTIN_COMFALSEPS): Ditto.
12315         (IX86_BUILTIN_COMTRUEPS): Ditto.
12316         (IX86_BUILTIN_COMEQPD): Ditto.
12317         (IX86_BUILTIN_COMNEPD): Ditto.
12318         (IX86_BUILTIN_COMLTPD): Ditto.
12319         (IX86_BUILTIN_COMLEPD): Ditto.
12320         (IX86_BUILTIN_COMGTPD): Ditto.
12321         (IX86_BUILTIN_COMGEPD): Ditto.
12322         (IX86_BUILTIN_COMUEQPD): Ditto.
12323         (IX86_BUILTIN_COMUNEPD): Ditto.
12324         (IX86_BUILTIN_COMULTPD): Ditto.
12325         (IX86_BUILTIN_COMULEPD): Ditto.
12326         (IX86_BUILTIN_COMUGTPD): Ditto.
12327         (IX86_BUILTIN_COMUGEPD): Ditto.
12328         (IX86_BUILTIN_COMORDPD): Ditto.
12329         (IX86_BUILTIN_COMUNORDPD): Ditto.
12330         (IX86_BUILTIN_COMFALSEPD): Ditto.
12331         (IX86_BUILTIN_COMTRUEPD): Ditto.
12332         (IX86_BUILTIN_PCOMEQUB): Ditto.
12333         (IX86_BUILTIN_PCOMNEUB): Ditto.
12334         (IX86_BUILTIN_PCOMLTUB): Ditto.
12335         (IX86_BUILTIN_PCOMLEUB): Ditto.
12336         (IX86_BUILTIN_PCOMGTUB): Ditto.
12337         (IX86_BUILTIN_PCOMGEUB): Ditto.
12338         (IX86_BUILTIN_PCOMFALSEUB): Ditto.
12339         (IX86_BUILTIN_PCOMTRUEUB): Ditto.
12340         (IX86_BUILTIN_PCOMEQUW): Ditto.
12341         (IX86_BUILTIN_PCOMNEUW): Ditto.
12342         (IX86_BUILTIN_PCOMLTUW): Ditto.
12343         (IX86_BUILTIN_PCOMLEUW): Ditto.
12344         (IX86_BUILTIN_PCOMGTUW): Ditto.
12345         (IX86_BUILTIN_PCOMGEUW): Ditto.
12346         (IX86_BUILTIN_PCOMFALSEUW): Ditto.
12347         (IX86_BUILTIN_PCOMTRUEUW): Ditto.
12348         (IX86_BUILTIN_PCOMEQUD): Ditto.
12349         (IX86_BUILTIN_PCOMNEUD): Ditto.
12350         (IX86_BUILTIN_PCOMLTUD): Ditto.
12351         (IX86_BUILTIN_PCOMLEUD): Ditto.
12352         (IX86_BUILTIN_PCOMGTUD): Ditto.
12353         (IX86_BUILTIN_PCOMGEUD): Ditto.
12354         (IX86_BUILTIN_PCOMFALSEUD): Ditto.
12355         (IX86_BUILTIN_PCOMTRUEUD): Ditto.
12356         (IX86_BUILTIN_PCOMEQUQ): Ditto.
12357         (IX86_BUILTIN_PCOMNEUQ): Ditto.
12358         (IX86_BUILTIN_PCOMLTUQ): Ditto.
12359         (IX86_BUILTIN_PCOMLEUQ): Ditto.
12360         (IX86_BUILTIN_PCOMGTUQ): Ditto.
12361         (IX86_BUILTIN_PCOMGEUQ): Ditto.
12362         (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
12363         (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
12364         (IX86_BUILTIN_PCOMEQB): Ditto.
12365         (IX86_BUILTIN_PCOMNEB): Ditto.
12366         (IX86_BUILTIN_PCOMLTB): Ditto.
12367         (IX86_BUILTIN_PCOMLEB): Ditto.
12368         (IX86_BUILTIN_PCOMGTB): Ditto.
12369         (IX86_BUILTIN_PCOMGEB): Ditto.
12370         (IX86_BUILTIN_PCOMFALSEB): Ditto.
12371         (IX86_BUILTIN_PCOMTRUEB): Ditto.
12372         (IX86_BUILTIN_PCOMEQW): Ditto.
12373         (IX86_BUILTIN_PCOMNEW): Ditto.
12374         (IX86_BUILTIN_PCOMLTW): Ditto.
12375         (IX86_BUILTIN_PCOMLEW): Ditto.
12376         (IX86_BUILTIN_PCOMGTW): Ditto.
12377         (IX86_BUILTIN_PCOMGEW): Ditto.
12378         (IX86_BUILTIN_PCOMFALSEW): Ditto.
12379         (IX86_BUILTIN_PCOMTRUEW): Ditto.
12380         (IX86_BUILTIN_PCOMEQD): Ditto.
12381         (IX86_BUILTIN_PCOMNED): Ditto.
12382         (IX86_BUILTIN_PCOMLTD): Ditto.
12383         (IX86_BUILTIN_PCOMLED): Ditto.
12384         (IX86_BUILTIN_PCOMGTD): Ditto.
12385         (IX86_BUILTIN_PCOMGED): Ditto.
12386         (IX86_BUILTIN_PCOMFALSED): Ditto.
12387         (IX86_BUILTIN_PCOMTRUED): Ditto.
12388         (IX86_BUILTIN_PCOMEQQ): Ditto.
12389         (IX86_BUILTIN_PCOMNEQ): Ditto.
12390         (IX86_BUILTIN_PCOMLTQ): Ditto.
12391         (IX86_BUILTIN_PCOMLEQ): Ditto.
12392         (IX86_BUILTIN_PCOMGTQ): Ditto.
12393         (IX86_BUILTIN_PCOMGEQ): Ditto.
12394         (IX86_BUILTIN_PCOMFALSEQ): Ditto.
12395         (IX86_BUILTIN_PCOMTRUEQ): Ditto.
12396         (enum multi_arg_type): New enum for describing the various SSE5
12397         intrinsic argument types.
12398         (bdesc_multi_arg): New table for SSE5 intrinsics.
12399         (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
12400         (ix86_expand_multi_arg_builtin): New function for creating SSE5
12401         intrinsics.
12402         (ix86_expand_builtin): Add SSE5 intrinsic support.
12403         (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
12404         operand instructions.
12405         (ix86_expand_sse5_multiple_memory): New function to split the
12406         second memory reference from SSE5 instructions.
12407         (type_has_variadic_args_p): Delete in favor of stdarg_p.
12408         (ix86_return_pops_args): Use stdarg_p to determine if the function
12409         has variable arguments.
12410         (ix86_setup_incoming_varargs): Ditto.
12411         (x86_this_parameter): Ditto.
12412
12413         * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
12414         declaration.
12415         (ix86_expand_sse5_pack): Ditto.
12416         (ix86_sse5_valid_op_p): Ditto.
12417         (ix86_expand_sse5_multiple_memory): Ditto.
12418
12419         * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
12420         constant for SSE5 support.
12421         (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
12422         (UNSPEC_SSE5_TRUEFALSE): Ditto.
12423         (UNSPEC_SSE5_PERMUTE): Ditto.
12424         (UNSPEC_SSE5_ASHIFT): Ditto.
12425         (UNSPEC_SSE5_LSHIFT): Ditto.
12426         (UNSPEC_FRCZ): Ditto.
12427         (UNSPEC_CVTPH2PS): Ditto.
12428         (UNSPEC_CVTPS2PH): Ditto.
12429         (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
12430         (PCOM_TRUE): Ditto.
12431         (COM_FALSE_S): Ditto.
12432         (COM_FALSE_P): Ditto.
12433         (COM_TRUE_S): Ditto.
12434         (COM_TRUE_P): Ditto.
12435         (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
12436         (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
12437         types.
12438         (memory attribute): Ditto.
12439         (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
12440         Use SSE4_1_ROUND_* constants instead of hard coded numbers.
12441         (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
12442         (floor<mode>2): Ditto.
12443         (ceil<mode>2): Ditto.
12444         (btrunc<mode>2): Ditto.
12445         (nearbyintdf2): Ditto.
12446         (nearbyintsf2): Ditto.
12447         (sse_setccsf): Disable if SSE5.
12448         (sse_setccdf): Ditto.
12449         (sse5_setcc<mode>): New support for SSE5 conditional move.
12450         (sse5_pcmov_<mode>): Ditto.
12451
12452         * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
12453         (SSEMODEF4): Ditto.
12454         (SSEMODEF2P): Ditto.
12455         (ssemodesuffixf4): New mode attribute for SSE5.
12456         (ssemodesuffixf2s): Ditto.
12457         (ssemodesuffixf2c): Ditto.
12458         (sserotatemax): Ditto.
12459         (ssescalarmode): Ditto.
12460         (sse_maskcmpv4sf3): Disable if SSE5.
12461         (sse_maskcmpv2df3): Ditto.
12462         (sse_vmmaskcmpv4sf3): Ditto.
12463         (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add instructions.
12464         (sse5_vmfmadd<mode>4): Ditto.
12465         (sse5_fmsub<mode>4): Ditto.
12466         (sse5_vmfmsub<mode>4): Ditto.
12467         (sse5_fnmadd<mode>4): Ditto.
12468         (sse5_vmfnmadd<mode>4): Ditto.
12469         (sse5_fnmsub<mode>4): Ditto.
12470         (sse5_vmfnmsub<mode>4): Ditto.
12471         (sse5i_fmadd<mode>4): Ditto.
12472         (sse5i_fmsub<mode>4): Ditto.
12473         (sse5i_fnmadd<mode>4): Ditto.
12474         (sse5i_fnmsub<mode>4): Ditto.
12475         (sse5i_vmfmadd<mode>4): Ditto.
12476         (sse5i_vmfmsub<mode>4): Ditto.
12477         (sse5i_vmfnmadd<mode>4): Ditto.
12478         (sse5i_vmfnmsub<mode>4): Ditto.
12479         (mulv16qi3): Add SSE5 support.
12480         (mulv4si3): Ditto.
12481         (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
12482         (sse2_mulv4si3): Disable if SSE5.
12483         (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
12484         (sse4_1_roundps): Ditto.
12485         (sse4_1_roundsd): Ditto.
12486         (sse4_1_roundss): Ditto.
12487         (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
12488         be generated.
12489         (sse_maskcmpsf3): Ditto.
12490         (sse_vmmaskcmpv4sf3): Ditto.
12491         (sse2_maskcmpv2df3): Ditto.
12492         (sse2_maskcmpdf3): Ditto.
12493         (sse2_vmmaskcmpv2df3): Ditto.
12494         (sse2_eq<mode>3): Ditto.
12495         (sse2_gt<mode>3): Ditto.
12496         (sse5_pcmov_<mode>): Add SSE5 support.
12497         (vec_unpacku_hi_v16qi): Ditto.
12498         (vec_unpacks_hi_v16qi): Ditto.
12499         (vec_unpacku_lo_v16qi): Ditto.
12500         (vec_unpacks_lo_v16qi): Ditto.
12501         (vec_unpacku_hi_v8hi): Ditto.
12502         (vec_unpacks_hi_v8hi): Ditto.
12503         (vec_unpacku_lo_v8hi): Ditto.
12504         (vec_unpacks_lo_v8hi): Ditto.
12505         (vec_unpacku_hi_v4si): Ditto.
12506         (vec_unpacks_hi_v4si): Ditto.
12507         (vec_unpacku_lo_v4si): Ditto.
12508         (vec_unpacks_lo_v4si): Ditto.
12509         (sse5_pmacsww): New SSE5 intrinsic insn.
12510         (sse5_pmacssww): Ditto.
12511         (sse5_pmacsdd): Ditto.
12512         (sse5_pmacssdd): Ditto.
12513         (sse5_pmacssdql): Ditto.
12514         (sse5_pmacssdqh): Ditto.
12515         (sse5_pmacsdqh): Ditto.
12516         (sse5_pmacsswd): Ditto.
12517         (sse5_pmacswd): Ditto.
12518         (sse5_pmadcsswd): Ditto.
12519         (sse5_pmadcswd): Ditto.
12520         (sse5_pcmov_<move>): Conditional move support on SSE5.
12521         (sse5_phaddbw): New SSE5 intrinsic insn.
12522         (sse5_phaddbd): Ditto.
12523         (sse5_phaddbq): Ditto.
12524         (sse5_phaddwd): Ditto.
12525         (sse5_phaddwq): Ditto.
12526         (sse5_phadddq): Ditto.
12527         (sse5_phaddubw): Ditto.
12528         (sse5_phaddubd): Ditto.
12529         (sse5_phaddubq): Ditto.
12530         (sse5_phadduwd): Ditto.
12531         (sse5_phadduwq): Ditto.
12532         (sse5_phaddudq): Ditto.
12533         (sse5_phsubbw): Ditto.
12534         (sse5_phsubwd): Ditto.
12535         (sse5_phsubdq): Ditto.
12536         (sse5_pperm): Ditto.
12537         (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
12538         (sse5_pperm_zero_v16qi_v8hi): Ditto.
12539         (sse5_pperm_sign_v8hi_v4si): Ditto.
12540         (sse5_pperm_zero_v8hi_v4si): Ditto.
12541         (sse5_pperm_sign_v4si_v2di): Ditto.
12542         (sse5_pperm_sign_v4si_v2di): Ditto.
12543         (sse5_pperm_pack_v2di_v4si): Ditto.
12544         (sse5_pperm_pack_v4si_v8hi): Ditto.
12545         (sse5_pperm_pack_v8hi_v16qi): Ditto.
12546         (sse5_perm<mode>): New SSE5 intrinsic insn.
12547         (rotl<mode>3): Ditto.
12548         (sse5_rotl<mode>3): Ditto.
12549         (sse5_ashl<mode>3): Ditto.
12550         (sse5_lshl<mode>3): Ditto.
12551         (sse5_frcz<mode>2): Ditto.
12552         (sse5s_frcz<mode>2): Ditto.
12553         (sse5_cvtph2ps): Ditto.
12554         (sse5_cvtps2ph): Ditto.
12555         (sse5_vmmaskcmp<mode>3): Ditto.
12556         (sse5_com_tf<mode>3): Ditto.
12557         (sse5_maskcmp<mode>3): Ditto.
12558         (sse5_maskcmp_uns<mode>3): Ditto.
12559         (sse5_maskcmp_uns2<mode>3): Ditto.
12560         (sse5_pcom_tf<mode>3): Ditto.
12561
12562         * config/i386/predicates.md (sse5_comparison_float_operator):
12563         New predicate to match the comparison operators supported by
12564         the SSE5 com instruction.
12565         (ix86_comparison_int_operator): New predicate to match just the
12566         signed int comparisons.
12567         (ix86_comparison_uns_operator): New predicate to match just the
12568         unsigned int comparisons.
12569
12570         * doc/invoke.texi (-msse5): Add documentation.
12571         (-mfused-madd): Ditto.
12572
12573         * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.
12574
12575         * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
12576         mmintrin-common.h.
12577         (x86_64-*-*): Ditto.
12578
12579         * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.
12580
12581         * config/i386/bmmintrin.h: New file, provide common x86 compiler
12582         intrinisics for SSE5.
12583
12584         * config/i386/smmintrin.h: Move instructions shared with SSE5 to
12585         mmintrin-common.h.
12586
12587         * config/i386/mmintrin-common.h: New file, to contain common
12588         instructions between SSE4.1 and SSE5.
12589
12590         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
12591         FOREACH_FUNCTION_ARGS to iterate over the argument list.
12592         (gen_regparm_prefix): Ditto.
12593
12594         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
12595         FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
12596         prototype_p to determine if a function is prototyped.
12597
12598 2009-08-25 Ville Voutilainen <ville.voutilainen@gmail.com>
12599
12600         * c-common.c (c_common_reswords) add the alignof keyword,
12601         with same RID as __alignof and __alignof__
12602
12603 2009-08-25  Anatoly Sokolov  <aesok@post.ru>
12604
12605         * hooks.h (hook_bool_const_int_const_int_true): Declare.
12606         * hooks.c (hook_bool_const_int_const_int_true): New function.
12607         * target.h (struct gcc_target): Add can_eliminate field.
12608         * target-def.h (TARGET_CAN_ELIMINATE): Define.
12609         (TARGET_INITIALIZER): Use TARGET_CAN_ELIMINATE.
12610         * ira.c (setup_eliminable_regset): Use can_eliminate target hook.
12611         * reload1.c (update_eliminables, init_elim_table): (Ditto.).
12612         (elim_table): Revise comment.
12613         * system.h (CAN_ELIMINATE): Poison.
12614         * defaults.h (CAN_ELIMINATE): Remove.
12615         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
12616
12617         * config/alpha/vms.h (CAN_ELIMINATE): Remove macro.
12618         * config/alpha/alpha.c (TARGET_CAN_ELIMINATE) [TARGET_ABI_OPEN_VMS]:
12619         Define macro.
12620         (alpha_vms_can_eliminate): Declare as static, change return type to
12621         bool.
12622         * config/alpha/alpha-protos.h (alpha_vms_can_eliminate): Remove.
12623
12624         * config/arm/arm.h (CAN_ELIMINATE): Remove macro.
12625         * config/arm/arm.c (TARGET_CAN_ELIMINATE): Define macro.
12626         (arm_can_eliminate): New function.
12627
12628         * config/avr/avr.h (CAN_ELIMINATE): Remove macro.
12629         * config/avr/avr.c (TARGET_CAN_ELIMINATE): Define macro.
12630         (avr_can_eliminate): Declare as static.
12631         * config/avr/avr-protos.h (avr_can_eliminate): Remove.
12632
12633         * config/bfin/bfin.h (CAN_ELIMINATE): Remove macro.
12634         * config/bfin/bfin.c (TARGET_CAN_ELIMINATE): Define macro.
12635         (bfin_can_eliminate): New function.
12636
12637         * config/crx/crx.h (CAN_ELIMINATE): Remove macro.
12638         * config/crx/crx.c (TARGET_CAN_ELIMINATE): Define macro.
12639         (crx_can_eliminate): New function.
12640
12641         * config/fr30/fr30.h (CAN_ELIMINATE): Remove macro.
12642         * config/fr30/fr30.c (TARGET_CAN_ELIMINATE): Define macro.
12643         (fr30_can_eliminate): New function.
12644
12645         * config/frv/frv.h (CAN_ELIMINATE): Remove macro.
12646         * config/frv/frv.c (TARGET_CAN_ELIMINATE): Define macro.
12647         (frv_can_eliminate): New function.
12648
12649         * config/h8300/h8300.h (CAN_ELIMINATE): Remove macro.
12650         * config/h8300/h8300.c (TARGET_CAN_ELIMINATE): Define macro.
12651         (h8300_can_eliminate): New function.
12652
12653         * config/i386/i386.h (CAN_ELIMINATE): Remove macro.
12654         * config/i386/i386.c (TARGET_CAN_ELIMINATE): Define macro.
12655         (i386_can_eliminate): Declare as static, change return type to bool.
12656         * config/i386/i386-protos.h (i386_can_eliminate): Remove.
12657
12658         * config/ia64/ia64.h (CAN_ELIMINATE): Remove macro.
12659         * config/ia64/ia64.c (TARGET_CAN_ELIMINATE): Define macro.
12660         (ia64_can_eliminate): New function.
12661
12662         * config/iq2000/iq2000.h (CAN_ELIMINATE): Remove macro.
12663         * config/iq2000/iq2000.c (TARGET_CAN_ELIMINATE): Define macro.
12664         (iq2000_can_eliminate): New function.
12665
12666         * config/m32r/m32r.h (CAN_ELIMINATE): Remove macro.
12667         * config/m32r/m32r.c (TARGET_CAN_ELIMINATE): Define macro.
12668         (m32r_can_eliminate): New function.
12669
12670         * config/m68hc11/m68hc11.h (CAN_ELIMINATE): Remove macro.
12671         * config/m68hc11/m68hc11.c (TARGET_CAN_ELIMINATE): Define macro.
12672         (m68hc11_can_eliminate): New function.
12673
12674         * config/m68k/m68k.h (CAN_ELIMINATE): Remove macro.
12675         * config/m68k/m68k.c (TARGET_CAN_ELIMINATE): Define macro.
12676         (m68k_can_eliminate): New function.
12677
12678         * config/mep/mep.h (CAN_ELIMINATE): Remove macro.
12679         * config/mep/mep.c (TARGET_CAN_ELIMINATE): Define macro.
12680         (mep_can_eliminate): New function.
12681
12682         * config/mips/mips.h (CAN_ELIMINATE): Remove macro.
12683         * config/mips/mips.c (TARGET_CAN_ELIMINATE): Define macro.
12684         (mips_can_eliminate): New function.
12685
12686         * config/rs6000/rs6000.h (CAN_ELIMINATE): Remove macro.
12687         * config/rs6000/rs6000.c (TARGET_CAN_ELIMINATE): Define macro.
12688         (rs6000_can_eliminate): New function.
12689
12690         * config/s390/s390.h (CAN_ELIMINATE): Remove macro.
12691         * config/s390/s390.c (TARGET_CAN_ELIMINATE): Define macro.
12692         (s390_can_eliminate): Declare as static.
12693         * config/s390/s390-protos.h (sparc_can_eliminate): Remove.
12694
12695         * config/score/score.h (CAN_ELIMINATE): Remove macro.
12696         * config/score/score.c (TARGET_CAN_ELIMINATE): Define macro.
12697         (score_can_eliminate): New function.
12698
12699         * config/sparc/sparc.h (CAN_ELIMINATE): Remove macro.
12700         * config/sparc/sparc.c (TARGET_CAN_ELIMINATE): Define macro.
12701         (sparc_can_eliminate): Declare as static.
12702         * config/sparc/sparc-protos.h (sparc_can_eliminate): Remove.
12703
12704         * config/stormy16/stormy16.h (CAN_ELIMINATE): Remove macro.
12705         * config/stormy16/stormy16.c (TARGET_CAN_ELIMINATE): Define macro.
12706         (xstormy16_can_eliminate): New function.
12707
12708         * config/v850/v850.h (CAN_ELIMINATE): Remove macro.
12709         * config/v850/v850.c (TARGET_CAN_ELIMINATE): Define macro.
12710         (v850_can_eliminate): New function.
12711
12712 2009-08-25  Uros Bizjak  <ubizjak@gmail.com>
12713
12714         * config/alpha/alpha.md (*cmpdf_ieee_ext[123]): Remove.
12715         (*cmpdf_internal): Enable for all ALPHA_FPTM levels.
12716         (*movdfcc_ext[1234]): Disable for IEEE mode.
12717
12718 2009-08-25  Eric Botcazou  <ebotcazou@adacore.com>
12719
12720         * gimplify.c (prepare_gimple_addressable): New static function.
12721         (gimplify_modify_expr_to_memcpy): Invoke it on the RHS before marking
12722         it addressable.
12723         (gimplify_addr_expr): Invoke it similarly on the operand instead of
12724         manually fiddling with it.
12725
12726 2009-08-25  Michael Matz  <matz@suse.de>
12727
12728         * expr.h (jumpifnot_1, jumpif_1, do_jump_1): Declare.
12729         * dojump.c (do_jump_by_parts_greater): Take two operands instead of
12730         full expression.
12731         (do_jump_by_parts_equality, do_compare_and_jump): Ditto.
12732         (jumpifnot_1, jumpif_1): New wrappers for do_jump_1.
12733         (do_jump): Split out code for simple binary comparisons into ...
12734         (do_jump_1): ... this, taking the individual operands and code.
12735         Change callers to helper function above accordingly.
12736         * expr.c (expand_expr_real_1): Use jumpifnot_1 for simple binary
12737         comparisons.
12738
12739 2009-08-25  Michael Matz  <matz@suse.de>
12740
12741         * expr.h (struct separate_ops, sepops): New type for passing
12742         around an exploded simple expression.
12743         * optabs.c (expand_widen_pattern_expr, expand_vec_shift_expr):
12744         Use this structure instead of expression tree.
12745         (get_vcond_icode, expand_vec_cond_expr_p): Don't take whole
12746         expression, only its type.
12747         (expand_vec_cond_expr): Take type and individual operands instead
12748         of full expression.
12749         * optabs.h (expand_widen_pattern_expr, expand_vec_cond_expr,
12750         expand_vec_shift_expr): Change prototype accordingly.
12751         * tree-vect-stmts.c (vectorizable_condition): Change call of
12752         expand_vec_cond_expr_p to pass only type.
12753         * expr.c (do_store_flags): Change prototype and implementation
12754         to take an exploded expression.
12755         (expand_expr_real_1): New local ops initialized with details
12756         of the full expression.  Use it instead of full
12757         expression in calls to do_store_flags, expand_vec_cond_expr,
12758         expand_widen_pattern_expr and expand_vec_shift_expr.
12759
12760 2009-08-25  Michael Matz  <matz@suse.de>
12761
12762         * expr.c (expand_expr_real_1): New local treeop0, treeop1,
12763         treeop2 initialized with first three operands of the full expression.
12764         Substitute all TREE_OPERAND (exp, [012]) calls with them.
12765
12766 2009-08-25  Kai Tietz  <kai.tietz@onevision.com>
12767
12768         * gcc/gthr-win32.h (__UNUSED_PARAM): Define, if not already present.
12769         (__gthread_objc_condition_allocate): Mark arguments as unused.
12770         (__gthread_objc_condition_deallocate): Likewise.
12771         (__gthread_objc_condition_wait): Likewise.
12772         (__gthread_objc_condition_broadcast): Likewise.
12773         (__gthread_objc_condition_signal): Likewise.
12774         (__gthread_objc_thread_detach): Cast via INT_PTR to pointer.
12775         (__gthread_objc_thread_id): Likewise.
12776
12777 2009-08-25  Janus Weil  <janus@gcc.gnu.org>
12778
12779         PR middle-end/41149
12780         * tree-pretty-print.c (print_call_name): Print the correct call name
12781         for procedure pointer components.
12782
12783 2009-08-24  Steve Ellcey  <sje@cup.hp.com>
12784
12785         * config/ia64/ia64.c (ia64_promote_function_mode): Call
12786         default_promote_function_mode when not VMS.
12787
12788 2009-08-24  Olivier Hainque  <hainque@adacore.com>
12789
12790         * convert.c (convert_to_integer): Don't assume an input pointer is
12791         POINTER_SIZE wide.  Fetch from the type instead.
12792
12793 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12794
12795         * configure.ac (AC_PREREQ): Bump to 2.64.
12796
12797 2009-08-24  Rafael Avila de Espindola  <espindola@google.com>
12798
12799         * gcc.c (standard_exec_prefix_1,standard_exec_prefix_2): Remove.
12800         (process_command): Don't search standard_exec_prefix_1 and
12801         standard_exec_prefix_2.
12802
12803 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12804
12805         * config/arm/arm.c (output_return_instruction): Handle for
12806         unified syntax.
12807
12808 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12809
12810         * config/arm/arm.c (arm_select_cc_mode): Handle subreg.
12811
12812 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12813
12814         * config/arm/vfp.md (*arm_movdi_vfp): Mark as predicable.
12815         (*arm_movdf_vfp): Likewise.
12816
12817 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12818
12819         * config/arm/neon.md (vashl<mode>3): Rename from ashl<mode>3.
12820         (vashr<mode>3): Rename from ashr<mode>3.
12821         (vlshr<mode>3): Rename from lshr<mode>3.
12822
12823 2009-08-24  Kai Tietz  <kai.tietz@onevision.com>
12824
12825         PR/40786
12826         * c-format.c (format_wanted_type): Add new member scalar_identity_flag.
12827         (check_format_info_main): Use scalar_identify_flag.
12828         (check_format_types): Check for scalar size identity if
12829         scalar_identify_flag is set.
12830         (printf_length_specs): Extend by new field.
12831         (asm_fprintf_length_specs): Likewise.
12832         (gcc_diag_length_specs): Likewise.
12833         (scanf_length_specs): Likewise.
12834         (strfmon_length_specs): Likewise.
12835         (gcc_gfc_length_specs): Likewise.
12836         * config/i386/msformat-c.c (ms_printf_length_specs): Likewise.
12837         (ms_printf_flag_specs): Likewise.
12838         * c-format.h (format_length_info): Add new member scalar_identity_flag.
12839
12840 2009-08-23  Uros Bizjak  <ubizjak@gmail.com>
12841
12842         PR target/40718
12843         * config/i386/i386.c (*call_pop_1): Disable for sibling calls.
12844         (*call_value_pop_1): Ditto.
12845         (*sibcall_pop_1): New insn pattern.
12846         (*sibcall_value_pop_1): Ditto.
12847
12848 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
12849
12850         PR target/41081
12851         * config/rs6000/rs6000.md (rotlsi3_64, ashlsi3_64, lshrsi3_64,
12852         ashrsi3_64): New.
12853
12854 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
12855
12856         PR target/41081
12857         * fwprop.c (try_fwprop_subst): Allow multiple sets.
12858         (get_reg_use_in): New function.
12859         (forward_propagate_subreg): Propagate through subreg of zero_extend
12860         or sign_extend.
12861
12862 2009-08-22  Kaz Kojima  <kkojima@gcc.gnu.org>
12863
12864         * config/sh/t-sh (TARGET_LIBGCC2_CFLAGS): Define.
12865         * config/sh/t-netbsd (TARGET_LIBGCC2_CFLAGS): Add -mieee.
12866
12867 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12868
12869         * configure.ac: Remove --with-datarootdir, --with-docdir,
12870         --with-htmldir switches.  No need to call AC_SUBST for
12871         datarootdir, docdir, htmldir any more.
12872         * configure: Regenerate.
12873         * doc/install.texi (Configuration): Document --datarootdir,
12874         --docdir, --htmldir, --pdfdir; update documentation for
12875         --infodir, --mandir.
12876         (Prerequisites): Bump Autoconf version to 2.64, Automake to 1.11,
12877         M4 to 1.4.6.
12878
12879         * aclocal.m4: Regenerate.
12880         * config.in: Regenerate.
12881         * configure: Regenerate.
12882
12883 2009-08-21  Douglas B Rupp  <rupp@gnat.com>
12884             Olivier Hainque  <hainque@adacore.com>
12885
12886         * config/ia64/ia64.c: Include libfuncs.h.
12887         (TARGET_PROMOTE_FUNCITON_MODE): Define target macro.
12888         (ia64_expand_call): Use reg 25 on VMS.
12889         (ia64_initialize_trampoline): Fix for VMS ABI.
12890         (ia64_function_arg_offset): Always returns 0 when TARGET_ABI_OPEN_VMS.
12891         (ia64_function_arg): Initialize reg 25 on VMS.
12892         Fix OpenVMS ABI issues for varargs.
12893         For OpenVMS, emit the Argument Information register set in the
12894         incoming/sibcall case as well.
12895         (ia64_arg_type): New function.
12896         (ia64_function_arg_advance): Keep track of cum->words.
12897         Fix OpenVMS ABI issues for varargs.
12898         (ia64_function_value): On VMS, promote mode of non-aggregate types.
12899         (ia64_override_options): Set flag_no_common on VMS.
12900         (ia64_init_builtins): Disable FWRITE builtin.
12901         (ia64_asm_output_external): Call DO_CRTL_NAMES.
12902         (ia64_vms_init_libfuncs): Add decc$ routines.
12903         (ia64_vms_valid_pointer_mode): New function.
12904         (ia64_struct_value_rtx): Allways NULL_RTX on VMS.
12905         (ia64_promote_function_mode): New function
12906         * config/ia64/ia64.h (TARGET_ABI_OPEN_VMS): Define as 0 for default.
12907         (LONG_DOUBLE_TYPE_SIZE): Force to 64 on VMS.
12908         (LIBCGC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
12909         (INIT_CUMULATIVE_ARGS): Add atypes for VMS.
12910         (INIT_CUMULATIVE_INCOMING_ARGS): Likewise.
12911         (ASM_OUTPUT_DEF): Use ISDIGIT instead of isdigit.
12912         Suppress trailing '#' if VALUE is numeric.
12913         * config/ia64/vms.h (PROMOTE_FUNCTION_MODE): Remove, code moved to
12914         ia64_promote_function_mode.
12915         (TARGET_VALID_POINTER_MODE): Define.
12916
12917 2009-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
12918
12919         PR target/40671
12920         * config/rs6000/rs6000.c (rs6000_override_options): Use
12921         TARGET_64BIT instead of TARGET_POWERPC64 to set the size of pointers.
12922
12923         PR target/41145
12924         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Fix
12925         reporting of vector + decimal/boolean/complex error.
12926
12927 2009-08-21  Jakub Jelinek  <jakub@redhat.com>
12928
12929         * config/rs6000/rs6000.c (rs6000_init_builtins): Fix type of
12930         __vector double TYPE_DECL.
12931
12932 2009-08-21  Richard Earnshaw  <rearnsha@arm.com>
12933
12934         * arm.h (MACHMODE): New define.  Include insn-modes.h if available.
12935         (CUMULATIVE_ARGS): Use MACHMODE for declaration of aapcs_vfp_mode.
12936         * arm.c (aapcs_vfp_is_call_or_return_candidate): Change base_mode
12937         to pointer to enum machine_mode.  Update all callers as needed.
12938
12939 2009-08-21  Uros Bizjak  <ubizjak@gmail.com>
12940
12941         * config/alpha/alpha.md (exception_receiver): Emit alternative
12942         GP load sequence if flag_reorder_blocks_and_partition is set.
12943         (*exception_receiver_2): Also enable when
12944         flag_reorder_blocks_and_partition is set.
12945
12946 2009-08-20  Matt Rice  <ratmice@gmail.com>
12947             Diego Novillo  <dnovillo@google.com>
12948
12949         * Makefile.in (PLUGIN_HEADERS): Include incpath.h and
12950         tree-ssa-sccvn.h.
12951
12952 2009-08-20  Richard Guenther  <rguenther@suse.de>
12953
12954         * c-objc-common.h (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Do not define.
12955         * c-tree.h (c_dup_lang_specific_decl): Remove.
12956         (struct lang_decl, struct lang_type): Move definitions ...
12957         * c-lang.h: ... here.  New file.
12958         * c-decl.c: Include c-lang.h.
12959         (c_dup_lang_specific_decl): Remove.
12960         * c-typeck.c: Include c-lang.h.
12961         * Makefile.in (c-decl.o): Add c-lang.h dependency.
12962         (c-typeck.o): Likewise.
12963         * c-config-lang.in (gtfiles): Add c-lang.h.
12964         * gengtype.c (get_output_file_with_visibility): Handle c-lang.h
12965         like c-tree.h.
12966
12967 2009-08-20  Uros Bizjak  <ubizjak@gmail.com>
12968
12969         * config/alpha/alpha.c (alpha_end_function): Do not clear
12970         crtl->emit structure and free insn locators if cfun->is_thunk is true,
12971         this is now handled in generic code.
12972
12973 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
12974
12975         * config/s390/s390.c (Z10_PREDICT_DISTANCE): New macro.
12976         (s390_z10_fix_long_loop_prediction): New function.
12977         (s390_z10_optimize_cmp): INSN walk moved to callee - s390_reorg.
12978         (s390_reorg): Walk over the INSNs and invoke
12979         s390_z10_fix_long_loop_prediction and s390_z10_optimize_cmp.
12980
12981 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
12982
12983         * config/s390/s390.md ("*brx_stage1_<GPR:mode>", "*brxg_64bit",
12984         "*brx_64bit", "*brx_31bit"): New patterns.
12985         * config/s390/s390.c ('E'): New output modifier.
12986
12987 2009-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12988             Richard Earnshaw  <richard.earnshaw@arm.com>
12989
12990         * config/arm/arm.c (arm_emit_movpair): Handle CONST_INT.
12991         * config/arm/arm.md (*arm_movtas_ze): New pattern for movt.
12992
12993 2009-08-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12994
12995         * pa.md (reload_inhi, reload_outhi, reload_inqi, reload_outqi): New
12996         patterns.
12997         * pa.c (emit_move_sequence): Check if address of operand1 is valid
12998         for mode mode of operand0 when doing secondary reload for SAR.
12999
13000 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
13001
13002         PR middle-end/41123
13003         * expr.c (expand_expr_real_1) <normal_inner_ref>: Handle all kinds
13004         of CONCAT, not just bitpos 0 bitsize size of the whole CONCAT.
13005
13006 2009-08-19  Jason Merrill  <jason@redhat.com>
13007
13008         * doc/invoke.texi (C++ Dialect Options): Note change of minimum
13009         supported template depth in C++0x.
13010
13011 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
13012
13013         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Don't call
13014         free_after_compilation.
13015         * config/score/score7.c (score7_output_mi_thunk): Likewise.
13016         * config/score/score3.c (score3_output_mi_thunk): Likewise.
13017         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
13018         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
13019         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
13020         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
13021         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
13022
13023 2009-08-19  Ian Lance Taylor  <iant@google.com>
13024
13025         * doc/md.texi (Insn Canonicalizations): Correct canonicalization
13026         of (plus (mult (neg B) C) A).
13027
13028 2009-08-18  Michael Matz  <matz@suse.de>
13029
13030         * omp-low.c (optimize_omp_library_calls): Use types_compatible_p
13031         instead of comparing TYPE_MAIN_VARIANT for equality.
13032         * tree-vect-patterns.c (vect_recog_dot_prod_pattern,
13033         vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern): Ditto.
13034         * tree-vect-loop.c (vect_is_simple_reduction): Ditto.
13035         * gimplify.c (goa_lhs_expr_p): Ditto and use
13036         STRIP_USELESS_TYPE_CONVERSION.
13037
13038 2009-08-18  Michael Matz  <matz@suse.de>
13039
13040         * tree-ssa-structalias.c (create_variable_info_for): Also mark
13041         first field in a struct.
13042         (intra_create_variable_infos): Don't deal with flag_argument_noalias.
13043
13044 2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
13045
13046         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
13047         locators before emit_insn is called.  Remove assert that
13048         cfun->is_thunk.
13049         (alpha_end_function): Clear crtl->emit structure and free insn
13050         locators if cfun->is_thunk is true.
13051
13052 2009-08-18  Jason Merrill  <jason@redhat.com>
13053
13054         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
13055         type if available.
13056         * configure.ac: Test for it.
13057         * configure, config.in: Regenerate.
13058         * doc/install.texi: Document --enable-gnu-unique-object.
13059
13060 2009-08-18  Richard Guenther  <rguenther@suse.de>
13061
13062         PR middle-end/41094
13063         * builtins.c (fold_builtin_pow): Fold pow(pow(x,y),z) to
13064         pow(x,y*z) only if x is nonnegative.
13065
13066 2009-08-18  Jakub Jelinek  <jakub@redhat.com>
13067
13068         * bb-reorder.c (fix_up_fall_thru_edges): Only call invert_jump
13069         on jumps.
13070
13071         PR target/40971
13072         * config/rs6000/rs6000.c (rs6000_legitimize_address): For
13073         [DT][FDI]mode ensure the offset isn't 4/8/12 bytes below 0x8000.
13074
13075 2009-08-17  DJ Delorie  <dj@redhat.com>
13076
13077         * config/m32c/m32c.md (UNS_FSETB, UNS_FREIT): New.
13078         * config/m32c/prologue.md (epilogue_freit): New.
13079         (fset_b): New.
13080         * config/m32c/m32c.c (m32c_function_needs_enter): Add prototype.
13081         (bank_switch_p): Likewise.
13082         (fast_interrupt_p): Likewise.
13083         (interrupt_p): Likewise.
13084         (m32c_conditional_register_usage): Round memregs size up.
13085         (need_to_save): We only need to save $a0 when we use ENTER.
13086         (interrupt_p): Check for fast_interrupt too.
13087         (bank_switch_p): New.
13088         (fast_interrupt_p): New.
13089         (m32c_attribute_table): Add bank_switch and fast_interrupt.
13090         (m32c_emit_prolog): Support bank switching and fast interrupts.
13091         * doc/extend.texi (Function Attributes): Add bank_switch and
13092         fast_interrupt.
13093
13094 2009-08-17  Douglas B Rupp  <rupp@gnat.com>
13095
13096         * config/alpha/alpha.c (vms_valid_pointer_mode): New function.
13097         * config/alpha/vms.h (TARGET_VALID_POINTER_MODE): Define.
13098
13099 2009-08-16  Douglas B Rupp  <rupp@gnat.com>
13100
13101         * doc/invoke.texi (Target options): Add new option list for IA-64/VMS.
13102         (menu): Add IA-64/VMS Options.
13103         (IA-64/VMS Options): Likewise.
13104
13105 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
13106
13107         PR target/38599
13108         * config/mips/mips.md (*lwxs): Use :P for pointer values.
13109
13110 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
13111
13112         * config/mips/mips-protos.h (mips_push_asm_switch): New function.
13113         (mips_pop_asm_switch): Likewise.
13114         * config/mips/mips.c (set_noreorder, set_nomacro, set_noat): Replace
13115         with...
13116         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
13117         (mips_push_asm_switch_1, mips_pop_asm_switch_1): New functions.
13118         (mips_push_asm_switch, mips_pop_asm_switch): Likewise.
13119         (mips_print_operand_punctuation): Use them.  Check mips_noreorder
13120         instead of set_noreorder.
13121         (mips_output_function_prologue): Use the new functions.
13122         (mips_output_function_epilogue): Likewise.
13123         (mips_need_noat_wrapper_p): New function, split out from...
13124         (mips_final_prescan_insn, mips_final_postscan_insn): ...here.
13125         Use mips_push_asm_switch and mips_pop_asm_switch.
13126         * config/mips/mips.h (FUNCTION_PROFILER): Use mips_push_asm_switch
13127         and mips_pop_asm_switch.
13128         (ASM_OUTPUT_REG_POP): Likewise.
13129         (DBR_OUTPUT_SEQEND): Remove boilerplate comment.
13130         Use mips_pop_asm_switch.
13131         (mips_asm_switch): New structure.
13132         (set_noreorder, set_nomacro): Replace with...
13133         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
13134         * config/mips/mips.md (fix_truncdfsi2_macro): Use mips_nomacro
13135         instead of set_nomacro.
13136         (fix_truncsfsi2_macro): Likewise.
13137         (cprestore): Likewise.
13138         (hazard): Use mips_noreorder instead of set_noreorder.
13139         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
13140
13141 2009-08-16  Uros Bizjak  <ubizjak@gmail.com>
13142
13143         * config/alpha/alpha.c (alpha_end_function): Handle NULL_RTX returned
13144         from prev_active_insn.
13145
13146 2009-08-16  Anatoly Sokolov  <aesok@post.ru>
13147
13148         * config/avr/avr.h (AVR_HAVE_8BIT_SP): New macros.
13149         * config/avr/avr.c (avr_override_options): Initialize
13150         avr_current_arch variable.
13151         (avr_cpu_cpp_builtins): Define __AVR_HAVE_8BIT_SP__ or
13152         __AVR_HAVE_16BIT_SP__ according to the device type.
13153         (expand_prologue, output_movhi): Use AVR_HAVE_8BIT_SP instead of
13154         TARGET_TINY_STACK.
13155         (expand_epilogue): Use correct QI mode frame pointer for tiny stack.
13156         Use AVR_HAVE_8BIT_SP instead of TARGET_TINY_STACK.
13157
13158 2009-08-16  Dodji Seketeli  <dodji@redhat.com>
13159
13160         PR debug/37801
13161         * gcc/dwarf2out.c (gen_inlined_subroutine_die): Concentrate on
13162         generating inlined subroutine die only. We shouldn't be
13163         called for anything else.
13164         (gen_block_die): Don't generate inline subroutine debug info for
13165         abstract blocks.
13166
13167 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
13168
13169         * graphite-poly.c (print_pbb): Print PBB index.
13170
13171 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
13172
13173         PR middle-end/40981
13174         * graphite-interchange.c (ppl_max_for_le): Moved...
13175         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
13176         * graphite-ppl.c (ppl_max_for_le): ... here.  Correct the use of
13177         ppl_Pointset_Powerset_C_Polyhedron_maximize.
13178         * graphite-ppl.h (ppl_max_for_le): Declared.
13179
13180 2009-08-14  Olatunji Ruwase <tjruwase@google.com>
13181
13182         * doc/extend.texi (Symbol-Renaming Pragmas): redefine_extname is
13183         supported on all platforms.
13184         * target.h (struct gcc_target): Remove handle_pragma_redefine_extname.
13185         * c-cppbuiltin.c: Remove use of targetm.handle_pragma_redefine_extname.
13186         * c-pragma.c: Likewise.
13187         * target-def.h (TARGET_INITIALIZER): Remove
13188         TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
13189         * config/sol2.h: Remove use of TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
13190
13191 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
13192
13193         * config/ia64/fde-vms.c: New file.
13194         * config/ia64/fde-glibc.c (_Unwind_FindTableEntry): Add dummy arg.
13195         * config/ia64/unwind-ia64.c (UNW_ accessors): Move to unwind-ia64.h
13196         (MD_UNW_COMPATIBLE_PERSONALITY_P): Provide default.
13197         (uw_frame_state_for): Only register a personality routine if it is
13198         known to be compatible with our expectations.
13199         (_Unwind_FindEnclosingFunction, uw_frame_state_for):
13200         Declare unw_table_entry stack variable and
13201         mod all calls to _Unwind_FindTableEntry to add arg.
13202         * config/ia64/unwind-ia64.h (UNW_ accessors): Move here.
13203         (_Unwind_FindTableEntry): Add arg to prototype.
13204
13205 2009-08-14  Eric Botcazou  <ebotcazou@adacore.com>
13206
13207         * config/ia64/unwind-ia64.c (struct _Unwind_Context): Add new
13208         field 'signal_pfs_loc'.
13209         (uw_frame_state_for): Remove duplicate code dealing with leaf
13210         procedures without unwind info.
13211         If in the frame after unwinding through a signal handler, restore
13212         the AR.PFS register instead of the CFM if AR.PFS has not been saved.
13213         * config/ia64/linux-unwind.h (ia64_fallback_frame_state): Do not set
13214         'pfs_loc' to the AR.PFS location in the signal context; instead
13215         set 'signal_pfs_loc'.
13216         Manually generate the unwind info for the AR.PFS register.
13217         (ABI_MARKER_OLD_LINUX_SIGTRAMP, ABI_MARKER_OLD_LINUX_INTERRUPT,
13218         ABI_MARKER_LINUX_SIGTRAMP, ABI_MARKER_LINUX_INTERRUPT): Define.
13219         (ia64_handle_unwabi): Test 'fs->unwabi' against them.
13220         Do not set 'pfs_loc' to the AR.PFS location in the signal context;
13221         instead set 'signal_pfs_loc'.
13222         Remove code preventing the AR.PFS register from being restored
13223         from the signal context.
13224
13225 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
13226             Tristan Gingold  <gingold@adacore.com>
13227
13228         * config.gcc (ia64-hp-*vms*): Insert ia64/t-ia64 in tmake_file.
13229         * config/ia64/t-vms: New file.
13230         * config/ia64/vms64.h: New file.
13231         * config/ia64/vms.h: New file.
13232         * config/ia64/vms-crtinit.asm: New file.
13233         * config/ia64/vms_symvec_libgcc_s.opt: New file.
13234         * config/ia64/vms-unwind.h: New file.
13235
13236 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
13237
13238         * config/alpha/alpha.c (alpha_emit_conditional_move): Handle
13239         TFmode compares.
13240
13241 2009-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13242
13243         PR middle-end/30789
13244         * builtins.c (do_mpc_arg2): Make extern, define for any MPC version.
13245         Move declaration...
13246         * real.h (do_mpc_arg2): ... here.
13247         * fold-const.c (const_binop): Use MPC for complex MULT_EXPR
13248         and RDIV_EXPR.
13249
13250 2009-08-14  Rafael Avila de Espindola  <espindola@google.com>
13251
13252         * final.c (add_debug_prefix_map): Don't use GC memory for
13253         old_prefix and new_prefix.
13254
13255 2009-08-14  Richard Guenther  <rguenther@suse.de>
13256
13257         * ipa-prop.c (compute_complex_pass_through): If we cannot
13258         compute a non-varying offset for IPA_JF_ANCESTOR punt.
13259
13260 2009-08-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
13261
13262         * c-lex.c (c_lex_with_flags): Increase size of local variable
13263         to avoid memory clobber.
13264
13265 2009-08-14  Paolo Bonzini  <bonzini@gnu.org>
13266
13267         PR target/40934
13268         * config/i386/i386.c (ix86_fp_comparison_strategy):
13269         Only enable/disable sahf at function granularity.
13270
13271 2009-08-14  Hans-Peter Nilsson  <hp@axis.com>
13272
13273         PR rtl-optimization/41064
13274         * reload1.c (reload_as_needed): Don't call extract_insn
13275         for known invalid replacements after calling
13276         validate_replace_rtx_group and verify_changes.
13277
13278 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
13279
13280         PR target/41019
13281         * config/i386/sse.md (SSEMODE124C8): New mode iterator.
13282         (vcond<SSEMODEF2P:mode>): Assert that operation is supported by
13283         ix86_expand_fp_vcond.
13284         (vcond<SSEMODE124C8:mode>): Use SSEMODE124C8 instead of SSEMODE124.
13285         Assert that operation is supported by ix86_expand_int_vcond.
13286         (vcondu<SSEMODE124C8:mode>): Ditto.
13287
13288 2009-08-13  DJ Delorie  <dj@redhat.com>
13289
13290         * config/i386/djgpp-stdint.h: New.
13291         * config.gcc (djgpp): Use it.
13292
13293 2009-08-13  Kaz Kojima  <kkojima@gcc.gnu.org>
13294
13295         * config/sh/sh.c (sh_override_options): When flag_exceptions or
13296         flag_unwind_tables is on, turn flag_reorder_blocks_and_partition off.
13297
13298 2009-08-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
13299
13300         * tree-ssa-loop-prefetch.c
13301         (prune_ref_by_group_reuse): Enhance probabilistic analysis
13302         for long-stride pruning.
13303         (compute_miss_rate): New function to compute the probability
13304         that two memory references access different cache lines.
13305
13306 2009-08-13  Dave Korn  <dave.korn.cygwin@gmail.com>
13307
13308         * gcc/config/i386/cygwin.h (LINK_SPEC): Add --enable-auto-image-base.
13309
13310 2009-08-13  Richard Guenther  <rguenther@suse.de>
13311
13312         PR middle-end/41047
13313         * tree-ssa-ccp.c (ccp_fold): When folding pointer additions
13314         use the constant pointer type.
13315         * gimplify.c (canonicalize_addr_expr): Canonicalize independent
13316         of CV qualifiers on the target pointer type.
13317         * tree-ssa.c (useless_type_conversion_p): Move incomplete pointer
13318         conversion check before restrict check.
13319
13320 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
13321
13322         PR target/41029
13323         * config/sh/sh.md (reload_outdf__RnFRm+4): Fix thinko.
13324
13325 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
13326
13327         * config/sh/sh.c (sh_promote_function_mode): Add ATTRIBUTE_UNUSED.
13328
13329 2009-08-12  Richard Guenther  <rguenther@suse.de>
13330
13331         PR tree-optimization/41011
13332         * ipa-cp.c (ipcp_lattice_from_jfunc): Deal with failing fold
13333         and reference constructing.
13334
13335 2009-08-12  Xinliang David Li  <davidxl@google.com>
13336
13337         PR tree-optimization/41012
13338         * tree-flow.h : New external interface.
13339         * gimple-low.c (check_call_arg): Change to public function.
13340         Remove argument mismatch check in lowering.
13341         * tree-inline.h (tree_can_inline_p): Interface change.
13342         * tree-inline.c (tree_can_inline_p): Fold argument mismatch check
13343         into this function.
13344         * ipa-inline.c (cgraph_decide_inlining_of_small_functions):
13345         Call change to tree_can_inline_p function.
13346         (cgraph_decide_inlining_incrementally): Ditto.
13347
13348 2009-08-12  Richard Sandiford  <rdsandiford@googlemail.com>
13349
13350         PR tree-optimization/41031
13351         * tree-outof-ssa.c (insert_value_copy_on_edge): Use promote_decl_mode
13352         on the partition variable rather than promote_mode on the source
13353         type.  Assert that the partition variable's type has the same
13354         mode as the source value's.
13355
13356 2009-08-12  Paolo Bonzini  <bonzini@gnu.org>
13357
13358         * doc/tm.texi (TARGET_PROMOTE_FUNCTION_MODE): Add documentation
13359         for for_return == 2.
13360         * function.c (assign_parm_setup_reg): Use for_return == 2, improve
13361         comments.
13362         * calls.c (expand_call): Fix typo.
13363         * explow.c (promote_decl_mode): Use for_return == 2 for RESULT_DECL
13364         and PARM_DECL.
13365         * stmt.c (expand_value_return): Use promote_function_mode to copy out
13366         of pseudo.
13367         * targhooks.c (default_promote_function_mode): Handle for_return == 2.
13368         * config/cris/cris.c (cris_promote_function_mode): Likewise.
13369         * config/mmix/mmix.c (mmix_promote_function_mode): Likewise.
13370         * config/pa/pa.c (pa_promote_function_mode): Likewise.
13371
13372 2009-08-12  Andrew Haley  <aph@redhat.com>
13373
13374         * config/arm/arm.c (arm_init_libfuncs): Add __sync_synchronize.
13375
13376 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13377
13378         PR bootstrap/40103
13379         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
13380
13381 2009-08-12  Richard Guenther  <rguenther@suse.de>
13382
13383         * alias.c (get_alias_set): Honor TYPE_STRUCTURAL_EQUALITY_P.
13384         * gimplify.c (gimplify_modify_expr): Do not use
13385         lang_hooks.types_compatible_p.
13386         * tree-ssa.c (useless_type_conversion_p): For aggregates
13387         just return false if the canonical types differ.
13388
13389 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13390
13391         PR middle-end/40980
13392         * sese.c (convert_for_phi_arg): New.
13393         (add_guard_exit_phis): Use convert_for_phi_arg.
13394
13395 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13396
13397         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
13398         unknown subscript upper bounds.
13399
13400 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13401             Pranav Garg  <pranav.garg2107@gmail.com>
13402
13403         * graphite-interchange.c (gather_access_strides): Removed.
13404         (ppl_max_for_le): New.
13405         (build_linearized_memory_access): New.
13406         (memory_stride_in_loop): New.
13407         (pbb_interchange_profitable_p): Reimplemented.
13408         * graphite-ppl.h (ppl_new_id_map): New.
13409         (ppl_interchange): New.
13410
13411 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13412
13413         * graphite-interchange.c (compute_subscript): Removed.
13414         (compute_array_size_cstr): Removed.
13415         (compute_array_size_poly): Removed.
13416         (compute_array_size): Removed.
13417         (gather_access_strides_poly): Removed.
13418         (gather_access_strides): Empty.
13419
13420 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13421
13422         * graphite-dependences.c (dependence_polyhedron_1): Replace
13423         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
13424         (graphite_legal_transform_dr): Same.
13425         (graphite_carried_dependence_level_k): Same.
13426         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
13427         Initialize PDR_NB_SUBSCRIPTS.
13428         (print_pdr_access_layout): Replace pdr_nb_subscripts with
13429         PDR_NB_SUBSCRIPTS.
13430         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
13431         (PDR_NB_SUBSCRIPTS): New.
13432         (pdr_nb_subscripts): Removed.
13433         (pdr_dim): Simplified.
13434         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
13435         with PDR_NB_SUBSCRIPTS.
13436
13437 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13438
13439         * graphite-interchange.c (compute_array_size): Remove use of
13440         PDR_DATA_CONTAINER.
13441         * graphite-poly.c (new_poly_dr): Remove argument data_container.
13442         Do not initialize PDR_DATA_CONTAINER.
13443         (print_pdr): Do not print PDR_DATA_CONTAINER.
13444         * graphite-poly.h (struct poly_dr): Remove data_container field.
13445         (PDR_DATA_CONTAINER): Removed.
13446         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
13447         PDR_DATA_CONTAINER.
13448         (build_poly_dr): Same.
13449
13450 2009-08-12  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
13451             Sebastian Pop  <sebastian.pop@amd.com>
13452
13453         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
13454         copy of the dependence polyhedron.  Free the temporary objects.
13455         (graphite_carried_dependence_level_k): Free unused objects before
13456         returning.
13457
13458 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13459
13460         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
13461         Early return without analyzing the data dependences if no
13462         transform has been done.  Call restore_scattering if the transform
13463         is not legal.
13464         (graphite-interchange.c): Same.
13465         * graphite-poly.c (print_scattering_function): Test for
13466         PBB_TRANSFORMED.
13467         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
13468         (apply_poly_transforms): Do not gcc_assert that
13469         the transform is legal.
13470         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED and PBB_ORIGINAL.
13471         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
13472         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
13473         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
13474         * graphite-poly.h (struct poly_scattering): New.
13475         (struct poly_bb): Add original, transformed, and saved fields.
13476         Remove transformed_scattering, original_scattering,
13477         nb_local_variables and nb_scattering_transform fields.
13478         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
13479         (poly_scattering_new): New.
13480         (poly_scattering_free): New.
13481         (poly_scattering_copy): New.
13482         (store_scattering_pbb): New.
13483         (store_scattering): New.
13484         (restore_scattering_pbb): New.
13485         (restore_scattering): New.
13486         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
13487         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
13488
13489 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13490
13491         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
13492         (print_scop): Same.
13493
13494 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13495
13496         * Makefile.in (graphite.o): Depends on PREDICT_H.
13497         * graphite.c: Include predict.h.
13498         (graphite_finalize): Call tree_estimate_probability.
13499         * predict.c (predict_loops): Do not call scev_initialize and
13500         scev_finalize.
13501         (tree_estimate_probability_bb): New.
13502         (tree_estimate_probability): Do not initialize loops: move that
13503         code to the driver.  Call tree_estimate_probability_bb.
13504         (tree_estimate_probability_driver): New.
13505         (pass_profile): Use tree_estimate_probability_driver.
13506         * predict.h (tree_estimate_probability): Declared.
13507
13508 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13509
13510         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
13511         * graphite-dependences.c (graphite_legal_transform): Add time to
13512         TV_GRAPHITE_DATA_DEPS.
13513         (dependency_between_pbbs_p): Same.
13514         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
13515
13516 2009-08-12  Andrey Belevantsev  <abel@ispras.ru>
13517
13518         PR rtl-optimization/41033
13519         * alias.c (nonoverlapping_component_refs_p): Punt when strict
13520         aliasing is disabled.
13521
13522 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
13523
13524         * config/mips/predicates.md (qi_mask_operand, hi_mask_operand,
13525         si_mask_operand, and_load_operand, low_bitmask_operand,
13526         and_reg_operand, and_operand): New predicates.
13527         * config/mips/constraints.md (Yb, Yh, Yw, Yz): New constraints.
13528         * config/mips/mips.c (and_operands_ok): New function.
13529         * config/mips/mips-protos.h (and_operands_ok): Declare it.
13530         * config/mips/mips.md (move_type): Add ext_ins and logical.
13531         (type): Handle them.
13532         (and<mode>3): Use and_reg_operand as the second operand's predicate.
13533         (*and<mode>3): Add alternatives for lbu, lhu, lwu, <d>ext and
13534         shift_shift.  Remove commutative constraint modifier.
13535         (*and<mode>3_mips16): Add alternatives for lbu, lhu, lwu and
13536         shift_shift.
13537         (*clear_upper32_dext): Remove define_insn_and_split.
13538         (*clear_upper32): Turn this define_insn_and_split ...
13539         (splitter for ANDing register with 0xffff_ffff): .. into this.
13540
13541 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
13542
13543         * combine.c (try_widen_shift_mode): Factor out code to check if an
13544         integer constant is a low-order bitmask from here ...
13545         * rtlanal.c (low_bitmask_len): ... to here.
13546         * rtl.h (low_bitmask_len): Declare.
13547
13548 2009-08-11  Uros Bizjak  <ubizjak@gmail.com>
13549
13550         PR target/8603
13551         * config/alpha/alpha.md (addsi3): Remove expander.
13552         (addsi3): Rename from *addsi3_internal insn pattern.
13553         (subsi3): Remove expander.
13554         (subsi3): Rename from *subsi3_internal insn pattern.
13555
13556 2009-08-11  Douglas B Rupp  <rupp@gnat.com>
13557
13558         * config/alpha/alpha.c (alpha_init_builtins): Nullify FWRITE and
13559         FWRITE_UNLOCKED.
13560
13561 2009-08-11  Vasiliy Fofanov  <fofanov@adacore.com>
13562             Eric Botcazou  <botcazou@adacore.com>
13563             Douglas B Rupp  <rupp@gnat.com>
13564
13565         * config/alpha/alpha.c (alpha_return_in_memory): On VMS, ensure
13566         that records that fit in 64 bits are returned by immediate value,
13567         as required by OpenVMS Calling Standard.
13568         (function_value): Adjust for above modification.
13569         (alpha_va_start) <TARGET_ABI_OPEN_VMS>: Use
13570         virtual_incoming_args_rtx as base object, not next_arg.
13571         * config/alpha/vms.h (DEFAULT_PCC_STRUCT_RETURN): Define as 0.
13572
13573 2009-08-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
13574
13575         * reload.c (find_reloads_subreg_address): Check the original
13576         req_equiv_mem address to detect the case where an address is
13577         not valid in the outer mode.
13578
13579 2009-08-11  Richard Guenther  <rguenther@suse.de>
13580
13581         PR bootstrap/40788
13582         * builtins.c (gimplify_va_arg_expr): Do not call SET_EXPR_LOCATION.
13583
13584 2009-08-10  Douglas B Rupp  <rupp@gnat.com>
13585
13586         * config/alpha/vms.h (OPTIMIZATION_OPTIONS): Remove
13587         (OVERRIDE_OPTIONS): Incorporate removed OPTIMIZATION_OPTIONS.
13588
13589 2009-08-10  Olivier Hainque  <hainqueu@adacore.com>
13590             Douglas B Rupp  <rupp@gnat.com>
13591
13592         * config/alpha/alpha.c (alpha_sa_size): Force procedure type to
13593         PT_STACK when frame_pointer_needed on OpenVMS.
13594         (alpha_pv_save_size, alpha_using_fp): Remove.
13595         (alpha_vms_can_eliminate): New function. Support for CAN_ELIMINATE
13596         with proper processing for PT_NULL.
13597         (alpha_vms_initial_elimination_offset): New function. Support for
13598         INITIAL_ELIMINATION_OFFSET with proper processing for PT_NULL.
13599         (alpha_sa_size): Force procedure type to PT_STACK when
13600         frame_pointer_needed on OpenVMS.
13601         * config/alpha/alpha-protos.h (alpha_pv_save_size): Remove prototype.
13602         (alpha_using_fp): Likewise.
13603         (alpha_vms_can_eliminate): Add prototype.
13604         (alpha_vms_initial_elimination_offset): Likewise.
13605         * config/alpha/vms.h (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET):
13606         Call alpha_vms_can_eliminate and alpha_vms_initial_elimination_offset.
13607
13608 2009-08-10  Eric Botcazou  <botcazou@adacore.com>
13609             Douglas B Rupp  <rupp@gnat.com>
13610
13611         * config/alpha/alpha.c (common_object_handler): New function.
13612         (vms_attribute_table): Declare a single attribute "common_object".
13613         (vms_output_aligned_decl_common): New global function.
13614         (SECTION_VMS_OVERLAY): Delete.
13615         (SECTION_VMS_GLOBAL): Likewise.
13616         (SECTION_VMS_INITIALIZE): Likewise.
13617         (vms_asm_named_section): Remove support for above flags.
13618         (vms_section_type_flags): Delete.
13619         (TARGET_SECTION_TYPE_FLAGS): Likewise.
13620         * config/alpha/alpha-protos.h (vms_output_aligned_decl_common): New.
13621         * config/alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
13622         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New macro.
13623
13624 2009-08-10  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
13625
13626         PR target/41015
13627         * longlong.h [__sh__] (udiv_qrnnd): Add T register to clobber list.
13628         (sub_ddmmss): Likewise.
13629
13630 2009-08-10  Andreas Tobler  <a.tobler@schweiz.org>
13631
13632         PR bootstrap/41018
13633         * config/rs6000/freebsd.h: Define SVR4_ASM_SPEC. Adjust copyright
13634         year.
13635
13636 2009-08-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
13637
13638         PR target/37053
13639         * reload1.c (reload_as_needed): Use cancel_changes to completely
13640         undo a failed replacement attempt.
13641
13642 2009-08-10  Richard Guenther  <rguenther@suse.de>
13643
13644         PR middle-end/41006
13645         * tree-ssa.c (useless_type_conversion_p_1): Fold into ...
13646         (useless_type_conversion_p): ... here.  Require pointer targets
13647         to be compatible.
13648
13649 2009-08-10  Dodji Seketeli  <dodji@redhat.com>
13650
13651         PR c++/40866
13652         * tree-inline.c (copy_statement_list): The resulting copy shouldn't
13653         loose the original type of the statement list.
13654
13655 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
13656
13657         * config/alpha/alpha.c: Include libfuncs.h
13658         (avms_asm_output_extern): New function.
13659         (alpha_init_libfuncs): Init some decc libfuncs.
13660         * config/alpha/alpha-protos.h (avms_asm_output_external): Declare.
13661         * config/alpha/vms.h (ASM_OUTPUT_EXTERNAL): Define.
13662         (DO_CRTL_NAMES): Define.
13663         (LIB_SPEC): Remove.
13664         * config/alpha/vms64.h (POINTERS_EXTEND_UNSIGNED): Remove undef.
13665         (LONG_TYPE_SIZE): Define.
13666         (TARGET_OS_CPP_BUILTINS): Define with __LONG_POINTERS=1
13667         (SUBTARGET_SWITCHES): Define malloc64 switch.
13668         (TARGET_DEFAULT): Default MASK_MALLOC64 set.
13669         (MASK_RETURN_ADDR): Define.
13670         doc/invoke.texi (mmalloc64): Document switch.
13671
13672 2009-08-09  Olivier Hainque  <hainque@adacore.com>
13673             Douglas B Rupp  <rupp@gnat.com>
13674
13675         * config/alpha/alpha.c (struct machine_function): New flag for VMS,
13676         uses_condition_handler.
13677         (alpha_expand_builtin_establish_vms_condition_handler): New expander.
13678         (alpha_expand_builtin_revert_vms_condition_handler): New expander.
13679         (enum alpha_builtin): New ALPHA_BUILTIN_REVERT_VMS_CONDITION_HANDLER
13680         and ALPHA_BUILTIN_ESTABLISH_VMS_CONDITION_HANDLER values.
13681         (code_for_builtin): New insn codes for the new alpha_builtins.
13682         (alpha_init_builtins): Register the new functions as BUILT_IN_MD.
13683         (alpha_sa_size): Account for uses_condition_handler.
13684         (alpha_expand_prologue): Likewise.
13685         (alpha_start_function): Likewise.
13686         (alpha_expand_epilogue): Likewise.
13687         * config/alpha/alpha-protos.h: Prototype the new alpha.c builtin
13688         establish/revert expanders.
13689         * config/alpha/alpha.h (DWARF_FRAME_REGNUM): Define.
13690         * config/alpha/alpha.md (builtin_establish_vms_condition_handler):
13691         New expander, resorting to the alpha.c associated function.
13692         (builtin_revert_vms_condition_handler): Likewise.
13693         * config/alpha/vms-gcc_shell_handler.c: New file. Implements
13694         __gcc_shell_handler, the static VMS condition handler used as
13695         an indirection wrapper to the current dynamically established
13696         handler.
13697         * config/alpha/vms-unwind.h: Complete rewrite.
13698         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Add vms-gcc_shell_handler.c
13699         * config/alpha/vms.h (MD_UNWIND_SUPPORT):
13700
13701 2009-08-09  Eric Botcazou  <botcazou@adacore.com>
13702             Douglas B Rupp  <rupp@gnat.com>
13703
13704         * config/alpha/alpha.c (alpha_links): Add 'target' field.
13705         (alpha_need_linkage): Handle aliases.  Return function symbol.
13706         (alpha_use_linkage): Rename 'linkage' argument to 'func'.
13707         Use ultimate alias target for the linkage name.
13708         * config/alpha/alpha.md (movmemdi): Use the symbol returned
13709         by alpha_need_linkage for the function symbol.
13710         (setmemdi): Likewise.
13711
13712 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
13713
13714         * config/alpha/alpha.c (TARGET_ASM_UNALIGNED_*_OP): Define if on VMS.
13715         * config/alpha/vms.h (OBJECT_FORMAT_ELF): Define.
13716         (ASM_WEAKEN_LABEL): Define.
13717         (CRT_CALL_STATIC_FUNCTION): Define.
13718         (STARTFILE_SPEC): Add crtbegin.o crtbeginS.o.
13719         (ENDFILE_SPEC): Define.
13720         (INIT_SECTION_ASM_OP): Define.
13721         * config/alpha/vms-dwarf2eh.asm (__EH_FRAME_BEGIN__): Remove.
13722         * config/alpha/t-vms (EXTRA_PARTS): Add crtbegin.o crtbeginS.o
13723         crtend.o crtendS.o.
13724         (MULTILIB_OSDIRNAMES): Define.
13725         (shlib_version): Define.
13726         (SHLIB_EXT): Define.
13727         (SHLIB_OBJS): Define.
13728         (SHLIB_NAME): Define.
13729         (SHLIB_MULTILIB): Define.
13730         (SHLIB_INSTALL): Define.
13731         (SHLIB_SYMVEC): Define.
13732         (SHLIB_SYMVECX2): Define.
13733         (SHLIB_LINK): Define.
13734
13735 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
13736
13737         * config/alpha/alpha.c (alpha_initialize_trampoline):
13738         Initialize VMS trampoline IAW ABI for bounded procedure calls.
13739         (alpha_start_function): Emit transfer address on nested functions
13740         for VMS trampoline call.
13741         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Remove vms_tramp.asm
13742         since no longer used.
13743         * config/alpha/vms-tramp.asm: Remove.
13744         * config/alpha/vms.h (TRAMPOLINE_TEMPLATE): Leave undefined
13745         since now only data initialized at runtime.
13746
13747 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
13748
13749         * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Define.
13750         (LINK_GCC_C_SEQUENCE_SPEC): Define.
13751         (MD_EXEC_PREFIX): Remove, no longer used.
13752         (MD_STARTFILE_PREFIX): Likewise.
13753         (INCLUDE_DEFAULTS): Likewise.
13754         * config/alpha/t-vms:
13755         (vms-dwarf2.o, vms-dwarf2eh.o): Use GCC_FOR_TARGET to compile.
13756
13757 2009-08-09  Richard Guenther  <rguenther@suse.de>
13758
13759         PR tree-optimization/41016
13760         * tree-ssa-ifcombine.c (get_name_for_bit_test): Fix tuplification bug.
13761         (operand_precision): Remove.
13762         (integral_operand_p): Likewise.
13763         (recognize_single_bit_test): Adjust.
13764
13765 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
13766
13767         * c-common.c (c_fully_fold_internal): Issue a warning if a binary
13768         operation overflows.  Likewise non-cast unary arithmetic.
13769         If one arm of a conditional expression is always taken,
13770         inhibit evaluation warnings for the other arm.  Likewise inhibit
13771         evaluation warnings for the second && or || operand if the first
13772         operand is enough to determine the result.
13773         * c-typeck.c (build_conditional_expr): Apply the same inhibition
13774         rules here.
13775         (build_binary_op): Prevent duplicate evaluation warnings.
13776
13777 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
13778
13779         * tree-out-of-ssa.c (insert_value_copy_on_edge): If the source
13780         and destination have different modes, Use promote_mode to
13781         determine the signedness of the conversion.  Assert that the
13782         promoted source mode matches the destination mode.  Don't pass
13783         the destination and destination mode to expand_expr if the source
13784         mode is different.  Simplify conversion logic.
13785
13786 2009-08-09  Ira Rosen  <irar@il.ibm.com>
13787
13788         PR tree-optimization/41008
13789         * tree-vect-loop.c (vect_is_simple_reduction): Get operands
13790         from condition only in case it's a comparison. Adjust checks.
13791
13792 2009-08-09  Bernd Schmidt  <bernd.schmidt@analog.com>
13793
13794         * tree-dfa.c (renumber_gimple_stmt_uids_in_blocks): New function.
13795         * tree-flow.h (renumber_gimple_stmt_uids_in_blocks): Declare it.
13796         * tree-ssa-loop-ivopts.c (comp_cost): Make COST an integer.
13797         (enum iv_position): Add IP_AFTER_USE and IP_BEFORE_USE.
13798         (dump_cand): Handle them.
13799         (struct iv_cand): New members COST_STEP and AINC_USE.
13800         (stmt_after_increment): Likewise.
13801         (stmt_after_inc_pos): Renamed from stmt_after_ip_original_pos.  All
13802         callers changed.  Use gimple_uid comparison instead of scanning.
13803         (add_candidate_1): When looking for identical candidates, take
13804         AINC_USE into account.  Set it for new candidates.
13805         (force_expr_to_var_cost): Cast target_spill_cost to int.
13806         (get_address_cost): New arguments STMT_AFTER_INC and MAY_AUTOINC.
13807         All callers changed.  Check for availability of autoinc addressing
13808         modes, both in general for a given mode, and in the specific use case.
13809         (get_computation_cost_at): New argument CAN_AUTOINC.  All callers
13810         changed.
13811         (get_computation_cost): Likewise.
13812         (autoinc_possible_for_pair, set_autoinc_for_original_candidates,
13813         add_autoinc_candidates): New static functions.
13814         (add_candidate): Call add_autoinc_candidates for candidates based on
13815         a USE_ADDRESS use.
13816         (find_iv_candidates): Call set_autoinc_for_original_candidates.
13817         (determine_use_iv_cost_address): If we have an autoinc candidate at
13818         the matching use, verify autoinc is possible and subtract the cost
13819         of the candidate's step from the cost.
13820         (determine_iv_cost): Record the cost of the increment in the COST_STEP
13821         member of the candidate.
13822         (tree_ssa_iv_optimize_loop): Swap the calls to determine_iv_costs and
13823         determine_use_iv_costs.  Call renumber_gimple_stmt_uids_in_blocks.
13824
13825 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
13826
13827         * config.build (ia64-hp-*vms*): New target.
13828         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
13829         with ia64-hp-*vms*.
13830         * config.gcc (ia64-hp-*vms*): New target.
13831         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
13832         with ia64-hp-*vms*.
13833         * config.host (ia64-hp-*vms*): New target.
13834         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
13835         with ia64-hp-*vms*.
13836
13837 2009-08-08  Richard Guenther  <rguenther@suse.de>
13838
13839         PR tree-optimization/40991
13840         * tree-ssa-pre.c (eliminate): Delay purging EH edges.
13841
13842 2009-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
13843
13844         * combine.c (gen_lowpart_or_truncate): Exclude CONST_INTs from
13845         mode check.  Do truncations in an integer mode.
13846         (force_to_mode): Handle subregs for all mode types.  Only do
13847         arithmetic simplifications on integer modes.
13848
13849 2009-08-07  Richard Guenther  <rguenther@suse.de>
13850
13851         PR tree-optimization/40999
13852         * tree-ssa-ccp.c (get_symbol_constant_value): Handle CONST_DECLs.
13853         (maybe_fold_reference): Lookup constant initializers.
13854         (fold_gimple_assign): Likewise.
13855
13856 2009-08-07  Richard Guenther  <rguenther@suse.de>
13857
13858         * tree-ssa.c (useless_type_conversion_p_1): Only for types
13859         that require structural equality defer to the langhook.
13860
13861 2009-08-07  Martin Jambor  <mjambor@suse.cz>
13862
13863         * ipa-prop.h (enum jump_func_type): New value IPA_JF_ANCESTOR, changed
13864         comments.
13865         (struct ipa_pass_through_data): New type.
13866         (struct ipa_ancestor_jf_data): New type.
13867         (union jump_func_value): Removed field formal_id, added fields
13868         pass_through and ancestor.
13869         (struct ipa_param_call_note): Changed type of formal_id to int from
13870         unsigned.
13871         * ipa-prop.c (ipa_print_node_jump_functions): Print pass through with
13872         operations jump functions and ancestor jump functions.
13873         (compute_complex_pass_through): New function.
13874         (compute_scalar_jump_functions): Call compute_complex_pass_through,
13875         reflect changes in the jump function strucutre.
13876         (update_jump_functions_after_inlining): Ignore complex pass-through
13877         and ancestor jump functions.
13878         * ipa-cp.c (ipcp_lattice_from_jfunc): Added support for ancestor and
13879         polynomial pass-through with operation jump functions.
13880
13881 2009-08-07  Jakub Jelinek  <jakub@redhat.com>
13882
13883         * dwarf2out.c (output_fde): When doing hot/cold partitioning, use
13884         fde->dw_fde_begin as begin label instead of hot/cold label.
13885         Use LLSDAC label instead of LLSDA for second section lsda.
13886         (dwarf2out_do_cfi_startproc): Add SECOND argument.  Use LLSDAC
13887         label instead of LLSDA if it is true.
13888         (dwarf2out_begin_prologue, dwarf2out_switch_text_section): Adjust
13889         callers.
13890         * except.c (add_call_site, dw2_size_of_call_site_table): Add
13891         SECTION argument.  Use it as index into crtl->eh.call_site_record
13892         array.
13893         (dw2_output_call_site_table): Likewise.  Add CS_FORMAT argument,
13894         use it to determine how to print table entries instead of using
13895         #ifdef HAVE_AS_LEB128.  For SECTION > 0 use hot resp. cold
13896         label instead of normal begin label as base.
13897         (sjlj_assign_call_site_values): Adjust add_call_site caller.
13898         (convert_to_eh_region_ranges): When doing hot/cold partitioning,
13899         ensure no EH range spans between sections and that landing pads
13900         are always in the corresponding section.
13901         (sjlj_size_of_call_site_table, sjlj_output_call_site_table): Adjust
13902         for crtl->eh.call_site_record being an array rather than scalar.
13903         (output_one_function_exception_table): New function, copied
13904         from output_function_exception_table.  Adjust
13905         dw2_size_of_call_site_table, dw2_output_call_site_table
13906         callers.  For SECOND section use *C suffixed labels.
13907         (output_function_exception_table): Call
13908         output_one_function_exception_table and, when doing hot/cold
13909         partitioning, also another time for the second section.
13910         * opts.c: Include except.h.
13911         (decode_options): Allow -freorder-blocks-and-partition with
13912         exceptions, unless SJLJ or TARGET_UNWIND_INFO.
13913         * Makefile.in (opts.o): Depend on $(EXCEPT_H).
13914         * function.h (struct rtl_eh): Change call_site_record from
13915         scalar into array of 2 elements.
13916
13917 2009-08-07  Martin Jambor  <mjambor@suse.cz>
13918
13919         * ipa-prop.c (count_formal_params_1): New function.
13920         (ipa_get_vector_of_formal_parms): New function.
13921         (get_vector_of_formal_parm_types): New function.
13922         (ipa_modify_formal_parameters): New function.
13923         (ipa_modify_call_arguments): New function.
13924         (index_in_adjustments_multiple_times_p): New function.
13925         (ipa_combine_adjustments): New function.
13926         (ipa_dump_param_adjustments): New function.
13927         * ipa-prop.h (struct ipa_parm_adjustment): New type.
13928         (ipa_get_vector_of_formal_parms): Declare.
13929         (ipa_modify_formal_parameters): Declare.
13930         (ipa_modify_call_arguments): Declare.
13931         (ipa_combine_adjustments): Declare.
13932         (ipa_dump_param_adjustments): Declare.
13933         (build_ref_for_offset): Declare.
13934         * Makefile.in (tree-sra.o): Add ipa-prop.h to dependencies.
13935         * tree-sra.c: Include ipa-prop.c.
13936         (build_ref_for_offset): Make public.
13937
13938 2009-08-06  Neil Vachharajani  <nvachhar@gmail.com>
13939
13940         * value-prof.c (init_pid_map): Replace xmalloc with XCNEWVEC.
13941
13942 2009-08-06  Thomas Schwinge  <tschwinge@gnu.org>
13943
13944         * gcc/doc/extend.texi (__builtin_extract_return_address)
13945         (__builtin_frob_return_address): Document.
13946
13947 2009-08-06  Paul Brook  <paul@codesourcery.com>
13948
13949         * config/arm/lib1funcs.asm (ARM_DIV_BODY): Add Thumb-2 implementation.
13950         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Only use Thumb-1
13951         implementation on ARMv6-M.
13952
13953 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
13954
13955         * doc/extend.texi (pcs): Document new attribute for ARM.
13956
13957 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
13958
13959         * arm.c (pcs_attribute_args): Comment out unsupported attribute
13960         variants.
13961
13962 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
13963
13964         * arm.c (arm_handle_pcs_attribute): Pass the entire name object to
13965         warning ().
13966
13967 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
13968
13969         * arm.c (arm_handle_pcs_attribute): Use %qE in warning.
13970
13971 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
13972
13973         Merge ARM/hard_vfp_branch to trunk.
13974
13975         2009-08-04  Richard Earnshaw  <rearnsha@arm.com>
13976
13977         * arm.c (libcall_eq): New function.
13978         (libcall_hash): New function.
13979         (add_libcall): New function.
13980         (arm_libcall_uses_aapcs_base): New function.
13981         (arm_libcall_value): Use arm_libcall_uses_aapcs_base to check for
13982         libcalls using the base PCS.
13983         (arm_init_cumulative_args): Likewise.
13984
13985         2009-07-20  Joseph Myers  <joseph@codesourcery.com>
13986
13987         * config/arm/arm.c (arm_libcall_value, arm_init_cumulative_args):
13988         Use base ABI for conversion libfuncs between HFmode and SFmode.
13989
13990         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
13991
13992         * config/arm/arm.c (aapcs_vfp_sub_candidate): Use V2SImode and
13993         V4SImode as representatives of all 64-bit and 128-bit vector
13994         types.  Allow vector types without vector modes.
13995         (aapcs_vfp_is_call_or_return_candidate): Handle vector types
13996         without vector modes like BLKmode.
13997         (aapcs_vfp_allocate): Handle TImode for non-TARGET_NEON like
13998         BLKmode.  Avoid unsupported vector modes or TImode moves for
13999         non-TARGET_NEON.
14000         (aapcs_vfp_allocate_return_reg): Likewise.
14001         (arm_vector_mode_supported_p): Only support V2SImode, V4HImode and
14002         V8QImode if TARGET_NEON || TARGET_IWMMXT.
14003
14004         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
14005
14006         * config/arm/arm.c (arm_handle_pcs_attribute): New.
14007         (arm_get_pcs_model): Pass attribute arguments to
14008         arm_pcs_from_attribute.
14009         (arm_init_cumulative_args): Use base AAPCS for conversions from
14010         floating-point types to DImode.
14011         (arm_attribute_table): Add pcs attribute.
14012         (arm_handle_pcs_attribute): New.
14013         * config/arm/bpabi.h (DECLARE_LIBRARY_RENAMES): When renaming
14014         conversions from floating-point types to DImode, also declare them
14015         to use base AAPCS and declare functions they call to use base
14016         AAPCS and their RTABI names.
14017
14018         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
14019
14020         * doc/invoke.texi (-mfloat-abi=@var{name}): Remove statement about
14021         -mfloat-abi=hard not being supported for VFP.
14022
14023         2009-05-11  Kazu Hirata  <kazu@codesourcery.com>
14024
14025         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Pass a libcall
14026         SYMBOL_REF to hard_libcall_value.
14027
14028         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
14029             Richard Earnshaw  <rearnsha@arm.com>
14030
14031         * config/arm/arm.c (aapcs_layout_arg): Once a co-processor argument
14032         has been put on the stack, all remaining co-processory arguments for
14033         that co-processor also go on the stack.
14034
14035         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
14036
14037         * config/arm/arm.c (arm_return_in_memory): Handle returning
14038         vectors of suitable size in registers also for AAPCS case.
14039
14040         2009-01-13  Richard Earnshaw <rearnsha@arm.com>
14041
14042         * doc/tm.texi (TARGET_LIBCALL_VALUE): Add missing end statement.
14043
14044         2008-12-09  Richard Earnshaw <rearnsha@arm.com>
14045
14046         ARM Hard-VFP calling convention
14047         * target-def.h (TARGET_LIBCALL_VALUE): New hook.
14048         * target.h (gcc_target): Add libcall_value to table of call hooks.
14049         * targhooks.h (default_libcall_value): Default implementation.
14050         * targhooks.c (default_libcall_value): Likewise.
14051         * doc/tm.texi (TARGET_LIBCALL_VALUE): Document it.
14052         * optabs.c (expand_unop): Use it.
14053         * expr.h (hard_libcall_value): Pass the function RTX through.
14054         * calls.c (emit_library_call_value_1): Update call to
14055         hard_libcall_value.
14056         * explow.c (hard_libcall_value): Use new target hook.
14057         * config/arm/arm.c: Include cgraph.h
14058         (TARGET_FUNCTION_VALUE): Override default hook.
14059         (arm_pcs_default): New variable.
14060         (arm_override_options): Don't fault hard calling convention with VFP.
14061         Add support for AAPCS variants.
14062         (arm_function_value): Make static.  Handle AAPCS variants.
14063         (arm_libcall_value): New function.
14064         (arm_apply_result_size): Handle VFP registers in results.
14065         (arm_return_in_memory): Rework all AAPCS variants; handle hard-vfp
14066         conventions.
14067         (pcs_attribute_args): New variable.
14068         (arm_pcs_from_attribute): New function.
14069         (arm_get_pcs_model): New function.
14070         (aapcs_vfp_cum_init): New function.
14071         (aapcs_vfp_sub_candidate): New function.
14072         (aapcs_vfp_is_return_candidate): New function.
14073         (aapcs_vfp_is_call_candidate): New function.
14074         (aapcs_vfp_allocate): New function.
14075         (aapcs_vfp_allocate_return_reg): New function.
14076         (aapcs_vfp_advance): New function.
14077         (aapcs_cp_arg_layout): New variable.
14078         (aapcs_select_call_coproc): New function.
14079         (aapcs_select_return_coproc): New function.
14080         (aapcs_allocate_return_reg): New function.
14081         (aapcs_libcall_value): New function.
14082         (aapcs_layout_arg): New function.
14083         (arm_init_cumulative_args): Initialize AAPCS args data.
14084         (arm_function_arg): Handle AAPCS variants using new interface.
14085         (arm_arg_parital_bytes): Likewise.
14086         (arm_function_arg_advance): New function.
14087         (arm_function_ok_for_sibcall): Ensure that sibling calls agree on
14088         calling conventions.
14089         (arm_setup_incoming_varargs): Handle new AAPCS args data.
14090         * arm.h (NUM_VFP_ARG_REGS): Define.
14091         (LIBCALL_VALUE): Update.
14092         (FUNCTION_VALUE): Delete.
14093         (FUNCTION_VALUE_REGNO_P): Add VFP regs.
14094         (arm_pcs): New enum.
14095         (CUMULATIVE_ARGS): New data to support AAPCS argument marshalling.
14096         (FUNCTION_ARG_ADVANCE): Call arm_function_arg_advance.
14097         (FUNCTION_ARG_REGNO_P): Add VFP regs.
14098         * arm-protos.h (arm_function_arg_advance): Add.
14099         (aapcs_libcall_value): Add.
14100         (arm_function_value): Delete.
14101
14102 2009-08-06  Uros Bizjak  <ubizjak@gmail.com>
14103             H.J. Lu  <hongjiu.lu@intel.com>
14104
14105         PR target/40957
14106         * config/i386/i386.c (standard_sse_mode_p): Remove.
14107         (standard_sse_constant_p): Return 2 for integer mode
14108         vector_all_ones_operand when SSE2 is enabled.
14109         (standard_sse_constant_opcode)<case 2>: Always return [v]pcmpeqd.
14110         (ix86_expand_vector_move): Do not check for negative values from
14111         standard_sse_constant_p.
14112
14113 2009-08-06  Richard Guenther  <rguenther@suse.de>
14114
14115         * tree-ssa.c (useless_type_conversion_p_1): Make function and
14116         array type comparisons frontend independent.
14117         * Makefile.in (tree-ssa.o): Add $(TARGET_H) dependency.
14118         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Always fill
14119         out array reference lower bound and element size operands.
14120         (ao_ref_init_from_vn_reference): Properly compute the offset
14121         for ARRAY_RANGE_REF.
14122         (vn_reference_fold_indirect): Fill out array reference lower
14123         bound and element size operands.
14124         * tree-ssa-pre.c (phi_translate_1): Fail if we have to translate
14125         a non gimple valued reference operand which can happen for
14126         array reference lower bound or element size.
14127         (create_component_ref_by_pieces_1): Properly generate the
14128         element size operand for array references.
14129
14130 2009-08-06  Richard Guenther  <rguenther@suse.de>
14131
14132         PR tree-optimization/40964
14133         * tree.c (iterative_hash_host_wide_int): Export.
14134         * tree.h (iterative_hash_host_wide_int): Declare.
14135         * tree-ssa-structalias.c (heapvar_map): New struct.
14136         (heapvar_map_eq): New function.
14137         (heapvar_map_hash): Likewise.
14138         (heapvar_lookup): Adjust.
14139         (heapvar_insert): Likewise.
14140         (make_constraint_from_heapvar): Allow multiple heap variables
14141         per decl at different offsets.
14142         (init_alias_heapvars): Adjust.
14143
14144 2009-08-04  David Daney  <ddaney@caviumnetworks.com>
14145
14146         * config/mips/mips.h (TARGET_SYNC_AFTER_SC): New macro.
14147         * mips_output_sync_loop (mips_output_sync_loop): Only emit
14148         trailing sync if TARGET_SYNC_AFTER_SC.
14149
14150 2009-08-05  David Daney  <ddaney@caviumnetworks.com>
14151
14152         * gcc/config/mips/sync.md (sync_compare_and_swap<mode>,
14153         compare_and_swap_12, sync_add<mode>, sync_<optab>_12,
14154         sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12,
14155         sync_old_nand_12, sync_new_nand_12, sync_sub<mode>,
14156         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
14157         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
14158         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
14159         sync_new_nand<mode>, sync_lock_test_and_set<mode>,
14160         test_and_set_12): Rewrite calls to mips_output_sync_loop.
14161         * gcc/config/mips/mips-protos.h (mips_output_sync_loop): Make
14162         the prototype declaration match the definition.
14163         * gcc/config/mips/mips.c (mips_output_sync_loop):  Emit sync
14164         instructions explicitly.  Add barrier_before and operands
14165         parameters.
14166         * gcc/config/mips/mips.h (MIPS_COMPARE_AND_SWAP,
14167         MIPS_COMPARE_AND_SWAP_12, MIPS_SYNC_OP, MIPS_SYNC_OP_12,
14168         MIPS_SYNC_OLD_OP_12, MIPS_SYNC_NEW_OP_12, MIPS_SYNC_OLD_OP,
14169         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
14170         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE,
14171         MIPS_SYNC_EXCHANGE_12): Remove sync instructions.
14172
14173 2009-08-05  Andrew Pinski  <pinskia@gmail.com>
14174
14175         * tree-ssa-alias.c: Fix intervals to use [) syntax.
14176
14177 2009-08-05  Uros Bizjak  <ubizjak@gmail.com>
14178             Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
14179
14180         PR target/40906
14181         * config/i386/i386.c (ix86_split_long_move): Fix push of multi-part
14182         source operand.
14183
14184 2009-08-05  Jakub Jelinek  <jakub@redhat.com>
14185
14186         PR rtl-optimization/40924
14187         * dse.c (canon_address): Before calling cselib_expand_value_rtx
14188         make sure canon_rtx (mem_address) isn't simpler than
14189         canon_rtx (expanded_mem_address).
14190
14191 2009-08-05  Li Feng  <nemokingdom@gmail.com>
14192
14193         * graphite-sese-to-poly.c (build_pbb_drs): Remove build alias set
14194         for each poly_bb_p.
14195         (build_scop_drs): Build alias set for each SCoP.
14196
14197 2009-08-04  Sandra Loosemore  <sandra@codesourcery.com>
14198
14199         * doc/invoke.texi (MIPS Options): Document new 1004K -march options.
14200         * config/mips/mips.c (mips_cpu_info_table): Add 1004K cores.
14201         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Add pattern for 1004K.
14202         (MIPS_ARCH_FLOAT_SPEC): Likewise.
14203         (BASE_DRIVER_SELF_SPECS): Likewise.
14204
14205 2009-08-04  Andrew Pinski  <pinskia@gmail.com>
14206
14207         * tree-ssa-alias.c: Fix some comment typos.
14208
14209 2009-08-04  Kaz Kojima  <kkojima@gcc.gnu.org>
14210
14211         * config/sh/linux-atomic.asm (ATOMIC_BOOL_COMPARE_AND_SWAP,
14212         ATOMIC_OP_AND_FETCH, ATOMIC_COMBOP_AND_FETCH): Define.
14213
14214 2009-08-03  Janis Johnson  <janis187@us.ibm.com>
14215
14216         PR c/39902
14217         * simplify-rtx.c (simplify_binary_operation_1): Disable
14218         simplifications for decimal float operations.
14219
14220 2009-08-03  Jakub Jelinek  <jakub@redhat.com>
14221
14222         PR middle-end/40943
14223         * tree-ssa.c (warn_uninitialized_var): Even on LHS warn for
14224         operand of INDIRECT_REF.
14225
14226 2009-08-03  Uros Bizjak  <ubizjak@gmail.com>
14227
14228         * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST
14229         constants referencing TLS symbols.
14230
14231 2009-08-03  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
14232
14233         * config/sh/linux-atomic.asm (ATOMIC_COMPARE_AND_SWAP): Rename
14234         __sync_compare_and_swap_* to __sync_val_compare_and_swap_*.
14235
14236 2009-08-03  Richard Guenther  <rguenther@suse.de>
14237
14238         * tree.c (make_vector_type): Build a main variant first,
14239         get the canonical one and then build the variant.
14240         * tree-ssa.c (useless_type_conversion_p_1): Handle
14241         fixed-point types.
14242         (useless_type_conversion_p): Conversions to pointers to
14243         incomplete record types are useless.
14244
14245 2009-08-03  Richard Guenther  <rguenther@suse.de>
14246
14247         * tree-cfg.c (pass_warn_unused_result): Mark name that no dump
14248         file will be created.
14249         * omp-low.c (pass_diagnose_omp_blocks): Likewise.
14250         * toplev.c (compile_file): Adjust comment.
14251
14252 2009-08-03  Kaz Kojima  <kkojima@gcc.gnu.org>
14253
14254         * config/sh/sh-protos.h (sh_promote_function_mode): Remove.
14255         * config/sh/sh.c (sh_promote_function_mode): Wrap long lines.
14256         (TARGET_PROMOTE_FUNCTION_MODE): Define.
14257         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
14258         (sh_promote_function_mode): Fix typo.
14259
14260 2009-08-03  Andreas Krebbel  <krebbel1@de.ibm.com>
14261
14262         * explow.c (promote_mode): Mark TYPE and PUNSIGNEDP as possibly unused.
14263
14264 2009-08-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14265
14266         * pa.c (pa_promote_function_mode): Remove ATTRIBUTE_UNUSED from
14267         declaration arguments.
14268
14269 2009-08-02  Uros Bizjak  <ubizjak@gmail.com>
14270
14271         * config/i386/i386.c (ix86_expand_fp_compare): Use const0_rtx instead
14272         of GEN_INT (0x00) and const1_rtx instead of GEN_INT (0x01).
14273         (ix86_split_ashl): Ditto.
14274         (ix86_expand_vector_init_one_nonzero): Ditto.
14275         (ix86_expand_vector_set): Ditto.
14276         (ix86_expand_reduc_v4sf): Ditto.
14277
14278 2009-08-02  Paolo Bonzini  <bonzini@gnu.org>
14279
14280         * explow.c (promote_function_mode): Remove assert.
14281         * config/sh/sh.c (sh_promote_function_mode): Declare.
14282
14283 2009-08-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14284
14285         * config/pa/pa.c (pa_promote_function_mode): Declare.
14286         Change to static.  Fix promote_mode call.
14287
14288         * gthr-dce.h (CONST_CAST2): Define if not defined.
14289         (__gthread_setspecific): Use CONST_CAST2 to fix warning.
14290
14291         * config.gcc (hppa[12]*-*-hpux10*): Add stdint support.
14292
14293 2009-08-01  Paolo Bonzini  <bonzini@gnu.org>
14294
14295         * expr.c (store_constructor): Use promote_decl_mode.  Remove
14296         now write-only variable unsignedp.
14297         (expand_expr_real_1): Use promote_decl_mode.
14298         * expr.h (promote_function_mode, promote_decl_mode): New.
14299         (promote_mode): Remove last argument.
14300         * function.c (assign_temp): Drop last argument of promote_mode.
14301         (assign_parm_find_data_types): Use promote_function_mode.
14302         (assign_parm_setup_reg): Likewise.
14303         (expand_function_end): Use promote_function_mode.
14304         * calls.c (initialize_argument_information): Use promote_function_mode.
14305         (precompute_arguments): Use promote_mode instead of checking if
14306         only PROMOTE_FUNCTION_MODE is defined.
14307         (expand_call): When making sibcall decisions, use promote_function_mode.
14308         Below, remove an if for targetm.calls.promote_function_return and
14309         and use promote_function_mode.
14310         (emit_library_call_value_1): Use promote_function_mode, fix bug
14311         where promote_mode was passed FOR_CALL == 0 for a return value in an
14312         assertion.
14313         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
14314         * explow.c (promote_function_mode, promote_decl_mode): New.
14315         (promote_mode): Keep only the FOR_CALL == 0 case.
14316         * combine.c (setup_incoming_promotion): Remove test of
14317         promote_function_args.  Use promote_function_mode.
14318         * stmt.c (expand_value_return): Use promote_decl_mode.
14319         (expand_decl): Use promote_decl_mode.
14320
14321         * expr.c (store_constructor): Use promote_decl_mode.  Remove
14322         now write-only variable unsignedp.
14323         (expand_expr_real_1): Use promote_decl_mode.
14324         * expr.h (promote_function_mode, promote_decl_mode): New.
14325         (promote_mode): Remove last argument.
14326         * function.c (assign_temp): Drop last argument of promote_mode.
14327         (assign_parm_find_data_types): Use promote_function_mode.
14328         (assign_parm_setup_reg): Likewise.
14329         (expand_function_end): Use promote_function_mode.
14330         * calls.c (initialize_argument_information): Use promote_function_mode.
14331         (precompute_arguments): Use promote_mode instead of checking if
14332         only PROMOTE_FUNCTION_MODE is defined.
14333         (expand_call): When making sibcall decisions, use promote_function_mode.
14334         Below, remove an if for targetm.calls.promote_function_return and
14335         and use promote_function_mode.
14336         (emit_library_call_value_1): Use promote_function_mode, fix bug
14337         where promote_mode was passed FOR_CALL == 0 for a return value in an
14338         assertion.
14339         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
14340         * explow.c (promote_function_mode, promote_decl_mode): New.
14341         (promote_mode): Keep only the FOR_CALL == 0 case.
14342         * combine.c (setup_incoming_promotion): Remove test of
14343         promote_function_args.  Use promote_function_mode.
14344         * stmt.c (expand_value_return): Use promote_decl_mode.
14345         (expand_decl): Use promote_decl_mode.
14346
14347         * explow.c (promote_function_mode): Just call the target hook.
14348         * targhooks.c (default_promote_function_mode,
14349         default_promote_function_mode_always_promote): New.
14350         * targhooks.h (default_promote_function_mode,
14351         default_promote_function_mode_always_promote): Declare.
14352         * target.h (promote_function_args, promote_function_return): Remove.
14353         (promote_function_mode): New.
14354         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
14355         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
14356         (TARGET_PROMOTE_FUNCTION_MODE): New.
14357         (TARGET_CALLS): Adjust.
14358         * system.h (TARGET_PROMOTE_FUNCTION_ARGS,
14359         TARGET_PROMOTE_FUNCTION_RETURN, PROMOTE_FUNCTION_MODE): Poison.
14360
14361         * config/s390/s390.h (PROMOTE_FUNCTION_MODE): Move...
14362         * config/s390/s390.c (s390_promote_function_mode): ... here,
14363         with pointer handling.
14364         (TARGET_PROMOTE_FUNCTION_MODE): Define.
14365         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
14366
14367         * config/sparc/sparc.h (PROMOTE_FUNCTION_MODE): Move...
14368         * config/sparc/sparc.c (sparc_promote_function_mode): ... here,
14369         with pointer handling.
14370         (TARGET_PROMOTE_FUNCTION_MODE): Define.
14371         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
14372
14373         * config/sh/sh-protos.h (sh_promote_function_mode): New.
14374         * config/sh/sh.c (sh_promote_function_mode): New.
14375         (TARGET_PROMOTE_FUNCTION_MODE): Define.
14376         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
14377
14378         * config/cris/cris.h (PROMOTE_FUNCTION_MODE): Move...
14379         * config/cris/cris.c (cris_promote_function_mode): ... here.
14380         (TARGET_PROMOTE_FUNCTION_MODE): Define.
14381         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
14382
14383         * config/mmix/mmix.h (PROMOTE_FUNCTION_MODE): Move...
14384         * config/mmix/mmix.c (mmix_promote_function_mode): ... here.
14385         (TARGET_PROMOTE_FUNCTION_MODE): Define.
14386         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
14387
14388         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Move...
14389         * config/arm/arm.c (arm_promote_function_mode): ... here, without
14390         complex type handling.
14391         (TARGET_PROMOTE_FUNCTION_MODE): Define.
14392         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
14393
14394         * config/pa/pa.c (pa_promote_function_mode): New.
14395         (TARGET_PROMOTE_FUNCTION_MODE): Define.
14396         (TARGET_PROMOTE_FUNCTION_RETURN): Remove.
14397
14398         * config/alpha/alpha.c (TARGET_PROMOTE_FUNCTION_ARGS,
14399         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
14400         (TARGET_PROMOTE_FUNCTION_MODE): Define equivalently.
14401         * config/xtensa/xtensa.c: Likewise.
14402         * config/stormy16/stormy16.c: Likewise.
14403         * config/iq2000/iq2000.c: Likewise.
14404         * config/rs6000/rs6000.c: Likewise.
14405         * config/picochip/picochip.c: Likewise.
14406         * config/arc/arc.c: Likewise.
14407         * config/mcore/mcore.c: Likewise.
14408         * config/score/score.c: Likewise.
14409         * config/mips/mips.c: Likewise.
14410         * config/bfin/bfin.c: Likewise.
14411         * config/ia64/ia64.c: Likewise (disabled though).
14412
14413         * config/frv/frv.h: Remove pointless remark.
14414
14415         * doc/tm.texi (PROMOTE_FUNCTION_MODE,
14416         TARGET_PROMOTE_FUNCTION_ARGS,
14417         TARGET_PROMOTE_FUNCTION_RETURN): Consolidate into...
14418         (TARGET_PROMOTE_FUNCTION_MODE): ... this.
14419
14420 2009-08-01  Sebastian Pop  <sebastian.pop@amd.com>
14421
14422         * doc/invoke.texi (-fgraphite-force-parallel): Renamed
14423         -floop-parallelize-all.
14424         * toplev.c (process_options): Rename flag_graphite_force_parallel to
14425         flag_loop_parallelize_all.
14426         * tree-ssa-loop.c (gate_graphite_transforms): Same.
14427         * graphite.c (graphite_transform_loops): Same.
14428         * common.opt: Same.
14429         * graphite-poly.c (apply_poly_transforms): Same.
14430
14431 2009-07-31  Richard Earnshaw  <rearnsha@arm.com>
14432
14433         PR tree-optimization/40914
14434         * ipa-prop.c (ipa_get_ptr_load_param): New argument use_delta,
14435         if set, then check the delta field of the PMF record.
14436         (ipa_get_stmt_member_ptr_load_param): Propagate new param use_delta.
14437         (ipa_analyze_call_uses): Handle machines where the vbit for a PMF
14438         call is stored in the delta.
14439
14440 2009-07-31  Adam Nemet  <anemet@caviumnetworks.com>
14441
14442         * config/mips/mips.md (*clear_upper32_dext): New pattern.
14443
14444 2009-07-31  Uros Bizjak  <ubizjak@gmail.com>
14445
14446         * config/i386/bsd.h (ASM_BYTE): New define.
14447         * config/i386/darwin.h (ASM_BYTE): Rename from ASM_BYTE_OP.
14448         * config/i386/att.h (ASM_BYTE): New define. Use ASM_BYTE instead of
14449         .byte.  Use fputs or putc instead of fprintf where appropriate.
14450         * config/i386/i386-interix.h: Use ASM_BYTE instead of .byte.  Use
14451         fputs or putc instead of fprintf where appropriate.
14452         * config/i386/i386elf.h: Ditto.
14453         * config/i386/sysv4.h: Ditto.
14454
14455         * config/i386/i386.c (TARGET_ASM_BYTE_OP): New define.
14456         * config/i386/i386.md (x86_sahf_1): Use ASM_BYTE instead of .byte.
14457         (*tls_global_dynamic_64): Ditto.
14458
14459 2009-07-31  Christian Bruel  <christian.bruel@st.com>
14460
14461         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
14462
14463 2009-07-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
14464
14465         * config/arm/arm.c (arm_arm_address_cost): Fix typo.
14466         Remove dead code for MINUS.
14467
14468 2009-07-31  Anthony Green  <green@moxielogic.com>
14469
14470         * config/moxie/moxie.c (moxie_expand_prologue): Use $r5 instead of
14471         $r12 in prologue.
14472         (moxie_expand_epilogue): Ditto for epilogue.
14473         (moxie_setup_incoming_varargs): ABI change.  Use 5 registers for
14474         incoming arguments.
14475         (moxie_function_arg): Ditto.
14476         (moxie_pass_by_reference): Ditto.
14477         (moxie_arg_partial_bytes): Ditto.
14478         * config/moxie/moxie.h (CALL_USED_REGISTERS): Ditto.
14479         (FUNCTION_ARG_ADVANCE) Ditto.
14480         (REG_PARM_STACK_SPACE) Ditto.
14481         (FUNCTION_ARG_REGNO_P) Dito.
14482
14483         * config.gcc: Add moxie linux config support.
14484         * gcc/config/moxie/uclinux.h: New file.
14485
14486 2009-07-31  DJ Delorie  <dj@redhat.com>
14487
14488         * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
14489         (UNSPECV_SP_SWITCH_E): New.
14490         (sp_switch_1): Change to an unspec.
14491         (sp_switch_2): Change to an unspec.  Don't use post-inc when we
14492         replace $r15.
14493         * config/sh/sh.c (sh_expand_prologue): Use the constant pool to
14494         reference the new stack's address
14495
14496 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14497
14498         * Makefile.in (OBJS-common): Added dependence on graphite-blocking.o,
14499         graphite-clast-to-gimple.o, graphite-dependences.o,
14500         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
14501         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o.
14502         (graphite-blocking.o,
14503         graphite-clast-to-gimple.o, graphite-dependences.o,
14504         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
14505         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o): New.
14506         * cfgloop.c (alloc_loop): Set loop->can_be_parallel to false.
14507         * cfgloop.h (struct loop): Add can_be_parallel field.
14508         * common.opt (fgraphite-identity): Moved up.
14509         (fgraphite-force-parallel): New flag.
14510         * graphite.c: Rewrite.
14511         * graphite.h: Rewrite.
14512         * passes.c (init_optimization_passes): Schedule a pass of DCE and LIM
14513         after Graphite.
14514         * toplev.c (graphite_out_file): New file descriptor.
14515         (graphite_in_file): New.
14516         (process_options): flag_graphite_force_parallel cannot be used without
14517         Graphite.
14518         * tree-ssa-loop.c: Include toplev.h.
14519         (gate_graphite_transforms): Enable flag_graphite for
14520         flag_graphite_force_parallel.
14521
14522 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14523
14524         * ChangeLog.graphite: New.
14525         * graphite-blocking.c: New.
14526         * graphite-clast-to-gimple.c: New.
14527         * graphite-clast-to-gimple.h: New.
14528         * graphite-dependences.c: New.
14529         * graphite-dependences.h: New.
14530         * graphite-interchange.c: New.
14531         * graphite-poly.c: New.
14532         * graphite-poly.h: New.
14533         * graphite-ppl.c: New.
14534         * graphite-ppl.h: New.
14535         * graphite-scop-detection.c: New.
14536         * graphite-scop-detection.h: New.
14537         * graphite-sese-to-poly.c: New.
14538         * graphite-sese-to-poly.h: New.
14539         * sese.c: New.
14540         * sese.h: New.
14541
14542 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14543
14544         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
14545         * tree-chrec.h (evolution_function_right_is_integer_cst): Declared.
14546
14547 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14548
14549         * tree-chrec.c (operator_is_linear): Handle BIT_NOT_EXPR.
14550         (scev_is_linear_expression): Return false if the evolution is not
14551         affine multivariate.
14552
14553 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14554
14555         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
14556         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
14557
14558 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14559
14560         * tree-data-ref.c (debug_data_references): New.
14561         (debug_data_reference): New.
14562         * tree-data-ref.h (debug_data_references): Declared.
14563         (debug_data_reference): Declared.
14564
14565 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14566
14567         * tree-data-ref.c (stmt_simple_memref_p: Removed.
14568         * tree-data-ref.h (scop_p): Removed.
14569         (struct data_reference): Remove field scop.
14570         (DR_SCOP): Removed.
14571         (stmt_simple_memref_p): Removed.
14572
14573 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14574
14575         * cfgloop.h (create_empty_loop_on_edge): Pass an extra argument.
14576         * cfgloopmanip.c (create_empty_loop_on_edge): Leave the loop_latch
14577         basic block empty.
14578
14579 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14580
14581         * doc/invoke.texi (-fgraphite-force-parallel): Documented.
14582
14583 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14584
14585         * doc/invoke.texi (-fgraphite-identity): Documented.
14586
14587 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14588
14589         * tree-scalar-evolution.c: Fix comment.
14590         (instantiate_scev_1): Return unknow from scev instantiation if the
14591         result is not above instantiate_below.
14592
14593 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14594
14595         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
14596         static anymore.  Instantiate the symbols that may have been introduced
14597         by chrec_apply.
14598         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
14599         Declared.
14600
14601 2009-07-30  DJ Delorie  <dj@redhat.com>
14602
14603         * config/mep/mep.c (mep_asm_init_sections): Add section flags and
14604         .vliw directive to VLIW sections.
14605
14606 2009-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14607
14608         * Makefile.in (AUTOCONF, ACLOCAL, ACLOCAL_AMFLAGS, aclocal_deps):
14609         New variables.
14610         ($(srcdir)/configure, $(srcdir)/aclocal.m4): New rules.
14611         (AUTOHEADER): New variable.
14612         ($(srcdir)/cstamp-h.in): Use it.
14613
14614 2009-07-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
14615             Pat Haugen  <pthaugen@us.ibm.com>
14616             Revital Eres <ERES@il.ibm.com>
14617
14618         * config/rs6000/vector.md (VEC_F): Add VSX support.
14619         (VEC_A): Ditto.
14620         (VEC_N): Ditto.
14621         (mov<mode>): Ditto.
14622         (vector_load_<mode>): Ditto.
14623         (vector_store_<mode>): Ditto.
14624         (vector GPR move split): Ditto.
14625         (vec_reload_and_plus_<mptrsize>): Ditto.
14626         (vec_reload_and_reg_<mptrsize>): Ditto.
14627         (add<mode>3): Ditto.
14628         (sub<mode>3): Ditto.
14629         (mul<mode>3): Ditto.
14630         (neg<mode>2): Ditto.
14631         (abs<mode>2): Ditto.
14632         (smin<mode>3): Ditto.
14633         (smax<mode>3): Ditto.
14634         (vector_eq<mode>): Ditto.
14635         (vector_gt<mode>): Ditto.
14636         (vector_ge<mode>): Ditto.
14637         (vector_gtu<mode>): Ditto.
14638         (vector_select_<mode>_uns): Ditto.
14639         (vector_eq_<mode>_p): Ditto.
14640         (vector_gt_<mode>_p): Ditto.
14641         (vector_ge_<mode>_p): Ditto.
14642         (vector_gtu_<mode>_p): Ditto.
14643         (cr6_test_for_zero): Ditto.
14644         (cr6_test_for_zero_reverse): Ditto.
14645         (cr6_test_for_lt): Ditto.
14646         (cr6_test_for_lt_reverse): Ditto.
14647         (xor<mode>3): Ditto.
14648         (ior<mode>3): Ditto.
14649         (and<mode>3): Ditto.
14650         (one_cmpl<mode>2): Ditto.
14651         (nor<mode>2): Ditto.
14652         (andc<mode>2): Ditto.
14653         (float<VEC_int<mode>2): Ditto.
14654         (unsigned_float<VEC_int><mode>2): Ditto.
14655         (fix_trunc<mode><VEC_int>2): Ditto.
14656         (fixuns_trunc<mode><VEC_int>2): Ditto.
14657         (vec_init<mode>):
14658         (vec_set<mode>): Ditto.
14659         (vec_extract<mode>): Ditto.
14660         (vec_interleave_highv4sf): Ditto.
14661         (vec_interleave_lowv4sf): Ditto.
14662         (vec_realign_load_<mode>): Ditto.
14663         (vec_shl_<mode>): Ditto.
14664         (vec_shr_<mode>): Ditto.
14665         (div<mode>3): New patterns for VSX.
14666         (vec_interleave_highv2df): Ditto.
14667         (vec_interleave_lowv2df): Ditto.
14668         (vec_pack_trunc_v2df): Ditto.
14669         (vec_pack_sfix_trunc_v2df): Ditto.
14670         (vec_pack_ufix_trunc_v2df): Ditto.
14671         (vec_unpacks_hi_v4sf): Ditto.
14672         (vec_unpacks_lo_v4sf): Ditto.
14673         (vec_unpacks_float_hi_v4si): Ditto.
14674         (vec_unpacks_float_lo_v4si): Ditto.
14675         (vec_unpacku_float_hi_v4si): Ditto.
14676         (vec_unpacku_float_lo_v4si): Ditto.
14677         (movmisalign<mode>): Ditto.
14678         (vector_ceil<mode>2): New patterns for vectorizing math library.
14679         (vector_floor<mode>2): Ditto.
14680         (vector_btrunc<mode>2): Ditto.
14681         (vector_copysign<mode>3): Ditto.
14682
14683         * config/rs6000/predicates.md (easy_vector_constant_msb): New
14684         predicate for setting the high bit in each word, used for copysign.
14685
14686         * config/rs6000/ppc-asm.h (f19): Whitespace.
14687         (f32-f63): Define if VSX.
14688         (v0-v31): Define if Altivec.
14689         (vs0-vs63): Define if VSX.
14690
14691         * config/rs6000/t-rs6000 (MD_INCLUDES): Add power7.md and vsx.md.
14692
14693         * config/rs6000/power7.md: New file, provide tuning parameters for
14694         -mcpu=power7.
14695
14696         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Add VSX support.
14697         (rs6000_cpu_cpp_builtins): Ditto.
14698         (altivec_overloaded_builtins): Ditto.
14699         (altivec_resolve_overloaded_builtin): Ditto.
14700
14701         * config/rs6000/rs6000.opt (-mno-vectorize-builtins): Add new
14702         debug switch to disable vectorizing simple math builtin
14703         functions.
14704
14705         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
14706         Vectorize simple math builtin functions.
14707         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
14708         hook to vectorize math builtins.
14709         (rs6000_override_options): Enable -mvsx on -mcpu=power7.
14710         (rs6000_builtin_conversion): Add VSX/power7 support.
14711         (rs6000_builtin_vec_perm): Ditto.
14712         (vsplits_constant): Add support for loading up a vector constant
14713         with just the high bit set in each part.
14714         (rs6000_expand_vector_init): Add VSX/power7 support.
14715         (rs6000_expand_vector_set): Ditto.
14716         (rs6000_expand_vector_extract): Ditto.
14717         (rs6000_emit_move): Ditto.
14718         (bdesc_3arg): Ditto.
14719         (bdesc_2arg): Ditto.
14720         (bdesc_1arg): Ditto.
14721         (rs6000_expand_ternop_builtin): Ditto.
14722         (altivec_expand_builtin): Ditto.
14723         (rs6000_expand_unop_builtin): Ditto.
14724         (rs6000_init_builtins): Ditto.
14725         (altivec_init_builtins): Ditto.
14726         (builtin_function_type): Ditto.
14727         (rs6000_common_init_builtins): Ditto.
14728         (rs6000_handle_altivec_attribute); Ditto.
14729         (rs6000_mangle_type): Ditto.
14730         (rs6000_vector_mode_supported_p): Ditto.
14731         (rs6000_mode_dependent_address): Altivec addresses with AND -16
14732         are mode dependent.
14733
14734         * config/rs6000/vsx.md: New file for VSX support.
14735
14736         * config/rs6000/rs6000.h (EASY_VECTOR_MSB): New macro for
14737         identifing values with just the most significant bit set.
14738         (enum rs6000_builtins): Add builtins for VSX.  Add simple math
14739         vectorized builtins.
14740
14741         * config/rs6000/altivec.md (UNSPEC_VRFIP): Delete.
14742         (UNSPEC_VRFIM): Delete.
14743         (splitter for loading up vector with most significant bit): New
14744         splitter for vectorizing copysign.
14745         (altivec_vrfiz): Rename from altivec_fturncv4sf2.  Add support for
14746         vectorizing simple math functions.
14747         (altivec_vrfip): Add support for vectorizing simple math functions.
14748         (altivec_vrfim): Ditto.
14749         (altivec_copysign_v4sf3): New insn for Altivec copysign support.
14750
14751         * config/rs6000/rs6000.md (UNSPEC_BPERM): New constant.
14752         (power7.md, vsx.md): Include for power7 support.
14753         (copysigndf3): Use VSX instructions if -mvsx.
14754         (negdf2_fpr): Ditto.
14755         (absdf2_fpr): Ditto.
14756         (nabsdf2_fpr): Ditto.
14757         (adddf3_fpr): Ditto.
14758         (subdf3_fpr): Ditto.
14759         (muldf3_fpr): Ditto.
14760         (divdf3_fpr): Ditto.
14761         (fix_truncdfdi2_fpr): Ditto.
14762         (cmpdf_internal1): Ditto.
14763         (fred, fred_fpr): Convert into expander/insn to add VSX support.
14764         (btruncdf2, btruncdf2_fpr): Ditto.
14765         (ceildf2, ceildf2_fpr): Ditto.
14766         (floordf2, floordf2_fpr): Ditto.
14767         (floatdidf2, floatdidf2_fpr): Ditto.
14768         (fmadddf4_fpr): Name insn.  Use VSX instructions if -mvsx.
14769         (fmsubdf4_fpr): Ditto.
14770         (fnmadddf4_fpr_1): Ditto.
14771         (fnmadddf4_fpr_2): Ditto.
14772         (fnmsubdf4_fpr_1): Ditto.
14773         (fnmsubdf4_fpr_2): Ditto.
14774         (fixuns_truncdfdi2): Add expander for VSX support.
14775         (fix_truncdfdi2): Ditto.
14776         (fix_truncdfsi2): Ditto.
14777         (ftruncdf2): Ditto.
14778         (btruncsf2): Whitespace.
14779         (movdf_hardfloat32): Add support for VSX registers.
14780         (movdf_softfloat32): Ditto.
14781         (movdf_hardfloat64): Ditto.
14782         (movdf_hardfloat64_mfpgpr): Ditto.
14783         (movdf_softfloat64): Ditto.
14784         (movti splitters): Add check for vector registers supporting
14785         TImode in the future.
14786         (bpermd): Add power7 bpermd instruction.
14787
14788         * config/rs6000/altivec.h (vec_div): Define if VSX.
14789         (vec_mul): Ditto.
14790         (vec_msub): Ditto.
14791         (vec_nmadd): Ditto.
14792         (vec_nearbyint): Ditto.
14793         (vec_rint): Ditto.
14794         (vec_sqrt): Ditto.
14795         (all predicates): Use the generic builtin function, and not the V4SF
14796         specific function so that the predicates will work with VSX's V2DF.
14797         (vec_all_*): Ditto.
14798         (vec_any_*): Ditto.
14799
14800         * doc/extend.texi (PowerPC Altivec/VSX Built-in Functions):
14801         Document new VSX functions and types.
14802
14803         * doc/invoke.texi (PowerPc options): Document -mpopcntd, -mvsx
14804         switches.
14805
14806         * doc/md.texi (PowerPC constraints): Document "wd", "wf", "ws",
14807         "wa", and "j" constraints.  Modify "v" to talk about Altivec
14808         instead of just vector.
14809
14810 2009-07-30  Andrew MacLeod  <amacleod@redhat.com>
14811
14812         PR debug/26475
14813         * tree-into-ssa.c (insert_phi_nodes_for, rewrite_add_phi_arguments): Set
14814         location for phi arguments.
14815         (rewrite_update_phi_arguments): Find locations for reaching defs.
14816         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
14817         Add location to add_phi_arg calls.
14818         * tree-loop-districbution.c (update_phis_for_loop_copy): Add locations.
14819         * tree-ssa-loop-manip.c (create_iv, add_exit_phis_edge,
14820         split_loop_exit_edge, tree_transform_and_unroll_loop): Add locations.
14821         * tree-tailcall.c (add_successor_phi_arg, eliminate_tail_call,
14822         create_tailcall_accumulator, tree_optimize_tail_calls_1): Add locations.
14823         * tree.h (struct phi_arg_d): Add location_t to PHI arguments.
14824         * tree-phinodes.c (make_phi_node): Initialize location.
14825         (resize_phi_node): Initialize location to UNKNOWN_LOCATION.
14826         (add_phi_arg): Add location parameter.
14827         (remove_phi_arg_num): Move location when moving phi argument.
14828         * omp-low.c (expand_parallel_call, expand_omp_for_static_chunk): Set
14829         location.
14830         * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop,
14831         slpeel_update_phi_nodes_for_guard1,
14832         slpeel_update_phi_nodes_for_guard2,
14833         slpeel_tree_duplicate_loop_to_edge_cfg, set_prologue_iterations,
14834         vect_loop_versioning): Set locations.
14835         * tree-parloops.c (create_phi_for_local_result,
14836         transform_to_exit_first_loop, create_parallel_loop): Add locations.
14837         * gimple-pretty-print.c (dump_gimple_phi): Dump lineno's if present.
14838         * tree-vect-loop.c (get_initial_def_for_induction,
14839         vect_create_epilog_for_reduction, vect_finalize_reduction): Add
14840         locations.
14841         * tree-flow-inline.h (gimple_phi_arg_location): New.  Return locus.
14842         (gimple_phi_arg_location_from_edge): New.  Return locus from an edge.
14843         (gimple_phi_arg_set_location): New.  Set locus.
14844         (gimple_phi_arg_has_location): New.  Check for locus.
14845         (redirect_edge_var_map_location): New.  Return locus from var_map.
14846         * tree-vect-data-refs.c (vect_setup_realignment): Set location.
14847         * tree-ssa-phiopt.c (conditional_replacement): Set locus when
14848         combining PHI arguments.
14849         (cond_store_replacement): Set location.
14850         * cfgexpand.c (gimple_assign_rhs_to_tree): Transfer locus if possible.
14851         * grpahite.c (add_loop_exit_phis, add_guard_exit_phis,
14852         scop_add_exit_phis_edge): Add locations.
14853         * tree-cfgcleanup.c (remove_forwarder_block,
14854         remove_forwarder_block_with_phi): Add locations.
14855         * tree-ssa-pre.c (insert_into_preds_of_block): Add locations.
14856         * tree-predcom.c (initialize_root_vars, initialize_root_vars_lm): Add
14857         locations.
14858         * tree-ssa-dce.c (forward_edge_to_pdom): Add locations.
14859         * tree-ssa.c (redirect_edge_var_map_add, ssa_redirect_edge,
14860         flush_pending_stmts): Add source location.
14861         * lambda-code.c (perfect_nestify): Maintain location stack with argument
14862         stack to preserve locations.
14863         * tree-vect-stmts.c (vectorizable_load): Add location.
14864         * tree-inline.c (copy_phis_for_bb): Copy locus.
14865         (setup_one_parameter): Add call locus to inlined parameter stmts.
14866         (initialize_inlined_parameters): Pass in call location as parameter
14867         assignment locus.
14868         (tree_function_versioning): Pass location to setup_one_parameter.
14869         * tree-ssa-phiprop.c (phiprop_insert_phi): Set locations.
14870         * tree-outof-ssa.c (struct _elim_graph): Add source_location vecs for
14871         copy and edge lists.
14872         (insert_partition_copy_on_edge, insert_value_copy_on_edge,
14873         insert_rtx_to_part_on_edge, insert_part_to_rtx_on_edge): Provide a
14874         locus parameter and override the stmt default if provided.
14875         (new_elim_graph, clear_elim_graph, delete_elim_graph,
14876         elim_graph_add_edge, elim_graph_remove_succ_edge,
14877         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED, eliminate_build,
14878         elim_forward, elim_unvisited_predecessor, elim_backward, elim_create,
14879         eliminate_phi):  Add locus info in elimination graph for each edge and
14880         value copy.
14881         (insert_backedge_copies): Copy locus if present.
14882         * tree-flow.h (struct _edge_var_map): Add locus field.
14883         * tree-switch_conversions.c (fix_phi_nodes): Add locations.
14884         * tree-cfg.c (reinstall_phi_args, gimple_make_forwarder_block,
14885         add_phi_args_after_copy_edge, gimple_lv_adjust_loop_header_phi): Add
14886         locations.
14887         * ipa-struct-reorg.c (make_edge_and_fix_phis_of_dest): Add locations.
14888
14889 2009-07-30  Martin Jambor  <mjambor@suse.cz>
14890
14891         PR tree-optimization/40570
14892         * ipa-inline.c (cgraph_decide_inlining): Watch out for dead single
14893         use inlining loops.
14894
14895 2009-07-30  Razya Ladelsky <razya@il.ibm.com>
14896
14897         * ssa-loop-manip.c: Include langhooks.h.
14898         (rewrite_phi_with_iv): New.
14899         (rewrite_all_phi_nodes_with_iv): New.
14900         (canonicalize_loop_ivs): Move here from tree-parloops.c.
14901         Remove reduction_list argument. Use rewrite_all_phi_nodes_with_iv.
14902         * tree-parloops.c (loop_parallel_p): Move out all conditions
14903         except dependency check.
14904         (canonicalize_loop_ivs): Move to tree-ssa-loop-manip.c.
14905         (gen_parallel_loop): Call canonicalize_loop_ivs without
14906         reduction_list argument.
14907         (build_new_reduction): New.
14908         (gather_scalar_reductions): New.
14909         (try_get_loop_niter): New.
14910         (try_create_reduction_list): New.
14911         (parallleize_loops): Change the parallel conditions check.
14912         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
14913         * Makefile.in (tree-ssa-loop-manip.o): Add langhooks.h dependency.
14914
14915 2009-07-30  Dave Korn  <dave.korn.cygwin@gmail.com>
14916
14917         * opt-functions.awk (opt_args): Allow argument to be enclosed in
14918         curly braces.
14919         * doc/options.texi (Option properties):  Mention new quoting syntax.
14920
14921 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
14922
14923         * config/alpha/alpha.c (alpha_start_function):
14924         Handle VMS_DEBUG_MAIN_POINTER
14925         * config/alpha/vms.h (VMS_DEBUG_MAIN_POINTER): Define new macro.
14926         * doc/invoke.texi: Document -mdebug-main switch.
14927
14928 2009-07-29  Richard Henderson  <rth@redhat.com>
14929
14930         * cgraph.c (cgraph_set_call_stmt_including_clones): Tidy.
14931         (cgraph_create_edge_including_clones): Likewise.
14932         * tree-inline.c (copy_bb): Operate on the correct edges
14933         when updating the callgraph.
14934
14935 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
14936
14937         * config/alpha/vms-cc.c: Deleted.
14938         * config/alpha/vms-ld.c: Deleted.
14939         * config/alpha/t-vms64: Moved to config/vms
14940         * config/alpha/vms-crt0-64.c: Moved to config/vms
14941         * config/alpha/vms-crt0.c: Moved to config/vms
14942         * config/alpha/vms-psxcrt0-64.c: Moved to config/vms
14943         * config/alpha/vms-psxcrt0.c: Moved to config/vms
14944         * config/alpha/xm-vms.h: Moved to config/vms
14945         * config/alpha/x-vms: Moved to config/vms
14946         * config/alpha/t-vms (vcrt0.o, pcrt0.o): Move rules to new file
14947         config/vms/t-vms.
14948         * config/vms/t-vms: Moved here from config/alpha. Alpha specific
14949         parts removed. (STMP_FIXPROTO, STMP_FIXINC, LIMITS_H_TEST): Set.
14950         (version): Set.
14951         * config/vms/t-vms64: Moved here from config/alpha
14952         * config/vms/vms-crt0-64.c: Moved here from config/alpha.
14953         (argc,argv,envp): Enforce 32bit malloc'ing.
14954         * config/vms/vms-psxcrt0-64.c: Likewise.
14955         * config/vms/vms-crt0.c: Moved here from config/alpha.
14956         * config/vms/vms-psxcrt0.c: Likewise.
14957         * config/vms/vms-crtl-64.h: New file.
14958         * config/vms/vms-crtl.h: New file.
14959         * config/vms/vms.opt: New file.
14960         * config/vms/xm-vms64.h: New file.
14961         * config/vms/xm-vms.h: Moved here from config/alpha.
14962         (STANARD_EXEC_PREFIX, STANDARD_STARTFILE_PREFIX, STANDARD_INCLUDE_DIR):
14963         Set.
14964         * config/vms/x-vms: Moved here from config/alpha.
14965         (version, VMS_EXTRA_PARTS): Moved to t-vms.
14966         (vms-ld.o, vms-cc.o): Removed.
14967         (LN, LN_S, USE_COLLECT2, POD2MAN): Set.
14968
14969 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
14970
14971         * dwarf2out.c (add_name_and_src_coords_attributes): Push on the
14972         correct stack (obvious VMS fix).
14973
14974 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
14975
14976         * dwarf2out.c (output_file_names): Output VMS style file name, size,
14977         date, version info if VMS_DEBUGGING_INFO defined.
14978         * vmsdgbout.c (vms_file_stats_name): New functon. VMS style file name,
14979         size, date calculating code moved here.
14980
14981 2009-07-29  Paul Brook  <paul@codesourcery.com>
14982
14983         * config/arm/lib1funcs.asm (clear_cache): Use ARM_FUNC_START and
14984         do_push/do_pop.
14985
14986 2009-07-29  Uros Bizjak  <ubizjak@gmail.com>
14987
14988         PR target/40577
14989         * config/alpha/alpha.c (alpha_expand_unaligned_store): Convert src
14990         to DImode when generating insq_le insn.
14991
14992 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
14993
14994         * dwarf2out.c (DWARF2_INDIRECT_STRING_SUPPORT_MISSING_ON_TARGET):
14995         New macro set for VMS_DEBUGGGING_INFO.
14996         (AT_string_form): Use it.
14997
14998 2009-07-28  DJ Delorie  <dj@redhat.com>
14999
15000         * config/mep/mep.c (vtext_section): New.
15001         (vftext_section): New.
15002         (ftext_section): New.
15003         (mep_select_section): Add support for functions.
15004         (mep_unique_section): Likewise.
15005         (mep_asm_init_sections): Likewise.
15006         (mep_encode_section_info): Remove it from here.
15007
15008         * config/mep/mep.h (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
15009
15010 2009-07-28  Paolo Bonzini  <bonzinI@gnu.org>
15011
15012         * tree.h (TREE_DEPRECATED): Document it is used for types too.
15013         (TYPE_VECTOR_OPAQUE): Use default_def_flag
15014
15015 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
15016
15017         * dwarf2out.c (output_file_names): Test new macro
15018         DWARF2_DIR_SHOULD_END_WITH_SEPARATOR.
15019         (add_comp_dir_attribute): Likewise.
15020
15021 2009-07-28  Kai Tietz  <kai.tietz@onevision.com>
15022
15023         * config/i386/mingw-w64.h (LINK_SPEC): Add
15024         separating space between commands.
15025
15026 2009-07-28  Jan Hubicka  <jh@suse.cz>
15027
15028         PR tree-optimization/40759
15029         * tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses
15030         for renaming.
15031
15032 2009-07-27  DJ Delorie  <dj@redhat.com>
15033
15034         * config/mep/mep.c (mep_expand_builtin_saveregs): Make sure 64-bit
15035         types are dword-aligned.
15036         (mep_expand_va_start): Likewise.
15037
15038 2009-07-27  Olivier Hainque  <hainque@adacore.com>
15039             Douglas B Rupp  <rupp@gnat.com>
15040
15041         * convert.c (convert_to_pointer): Don't assume the target
15042         pointer type is POINTER_SIZE long. Fetch its precision instead.
15043
15044 2009-07-27  Douglas B Rupp  <rupp@gnat.com>
15045
15046         * system.h (fopen): Undefine if macro.
15047
15048 2009-07-27  Jakub Jelinek  <jakub@redhat.com>
15049
15050         * dwarf2out.c (output_cfi_p): Removed.
15051         (output_cfis): New function.
15052         (output_fde): New function, split from output_call_frame_info.
15053         (output_call_frame_info): Use it.
15054         (dwarf2out_switch_text_section): Use output_cfis.
15055
15056 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
15057
15058         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Error build when
15059         TARGET_BI_ARCH is specified without enabling SJLJ.
15060         * config/i386/mingw32.h (MD_UNWIND_SUPPORT): Define MD_UNWIND_SUPPORT,
15061         if TARGET_64BIT and TARGET_BI_ARCH aren't defined.
15062
15063 2009-07-26  Mikael Pettersson <mikpe@it.uu.se>
15064
15065         * arm.md (negdi2): Use DImode if forcing a value into a register.
15066
15067 2009-07-26  Ira Rosen  <irar@il.ibm.com>
15068
15069         PR tree-optimization/40801
15070         * tree-vect-stmts.c (vectorizable_call): Get previous copy
15071         of vector operand from the previous copy of vector statement.
15072         Pass the correct definition type value to
15073         vect_get_vec_def_for_stmt_copy().
15074
15075 2009-07-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15076
15077         * collect2.c (scan_libraries): Use CONST_CAST2 to perform char ** to
15078         const char ** conversion.
15079
15080 2009-07-25 David Daney <ddaney@caviumnetworks.com>
15081
15082         * system.h (gcc_assert): Invoke __builtin_unreachable() instead of
15083         fancy_abort() if !ENABLE_ASSERT_CHECKING.
15084         (gcc_unreachable): Invoke __builtin_unreachable() if
15085         !ENABLE_ASSERT_CHECKING.
15086
15087 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
15088
15089         PR rtl-optimization/40445
15090         * emit-rtl.c (next_nonnote_insn_bb): New function.
15091         * rtl.h (next_nonnote_insn_bb): Declare new function.
15092         * cfgcleanup.c (try_optimize_cfg): Don't remove an empty block
15093         with no successors that is the successor of the ENTRY_BLOCK.
15094         Continue from the top after removing an empty fallthrough block.
15095         * cfgrtl.c (get_last_bb_insn): Call next_nonnote_insn_bb instead
15096         of next_nonnote_insn.
15097
15098 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
15099
15100         * cfgcleanup.c (old_insns_match_p): Handle the case of empty blocks.
15101
15102 2009-07-25  Martin Jambor  <mjambor@suse.cz>
15103
15104         * c-common.c (c_common_attribute_table): New element for noclone.
15105         (handle_noclone_attribute): New function. Forward-declare.
15106         * tree-inline.c (tree_versionable_function_p): Check for noclone
15107         attribute.
15108         * doc/extend.texi (Labels as Values): Document need for noclone.
15109         (Function Attributes): Document noclone attribute.
15110
15111 2009-07-25  Jakub Jelinek  <jakub@redhat.com>
15112
15113         PR rtl-optimization/34999
15114         * dwarf2out.c (struct dw_fde_struct): Add dw_fde_switch_cfi
15115         and dw_fde_switched_cold_to_hot fields.
15116         (output_cfi_p): New function.
15117         (output_call_frame_info): If fde->dw_fde_switched_sections,
15118         output 2 FDEs instead of one with corrupted header.
15119         (dwarf2out_do_cfi_startproc): New function.
15120         (dwarf2out_begin_prologue): Use it.  Initialize fde->dw_fde_switch_cfi
15121         and fde->dw_fde_switched_cold_to_hot.
15122         (dwarf2out_switch_text_section): Compute
15123         fde->dw_fde_switched_cold_to_hot.  Switch to new text section here.
15124         If dwarf2out_do_cfi_asm, emit .cfi_endproc before it and call
15125         dwarf2out_do_cfi_startproc plus emit again currently active CFI insns.
15126         Otherwise, compute fde->dw_fde_switch_cfi.
15127
15128 2009-07-24  Cary Coutant  <ccoutant@google.com>
15129
15130         * tree-cfg.c (assign_discriminator): Add explicit parentheses.
15131
15132 2009-07-24  Cary Coutant  <ccoutant@google.com>
15133
15134         * cfghooks.c (split_block): Copy discriminator to new block.
15135         * tree-cfg.c (assign_discriminator): Check location of last
15136         instruction in block as well as first.
15137
15138 2009-07-24  Uros Bizjak  <ubizjak@gmail.com>
15139
15140         * config/i386/linux.c: Use fputs or putc instead of fprintf
15141         where appropriate.
15142         * config/i386/gas.h: Ditto.
15143         * config/i386/x86-64.h: Ditto.
15144         * config/i386/att.h: Ditto.
15145
15146 2009-07-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
15147
15148         * expmed.c (emit_store_flag): Use a recursive call to optimize the
15149         xor case.
15150
15151 2009-07-24  Martin Jambor  <mjambor@suse.cz>
15152
15153         * ipa-prop.h (struct ipa_node_params): New flag node_enqued.
15154         (ipa_push_func_to_list_1): Declare.
15155         (ipa_push_func_to_list): New function.
15156
15157         * ipa-prop.c (ipa_push_func_to_list_1): New function.
15158         (ipa_init_func_list): Call ipa_push_func_to_list_1.
15159         (ipa_push_func_to_list): Removed.
15160         (ipa_pop_func_from_list): Clear node_enqueued flag.
15161
15162 2009-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
15163
15164         * config/s390/s390.c (override_options): Default
15165         max-unrolled-insns to 100 for z10 tuning.
15166
15167 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
15168
15169         * Makefile.in (TREE_DATA_REF_H, tree-vrp.o, tree-cfg.o, tree-if-conv.o
15170         tree-ssa-loop.o, tree-ssa-loop-niter.o, tree-ssa-loop-ivcanon.o,
15171         tree-ssa-loop-prefetch.o, tree-predcom.o, tree-affine.o,
15172         tree-scalar-evolution.o, tree-data-ref.o, tree-vect-loop.o,
15173         tree-vect-data-refs.o, tree-loop-linear.o, tree-loop-distribution.o
15174         tree-parloops.o, tree-pretty-printer.o, fold-const.o, tree-ssa-dce.o,
15175         lambda-code.o, params.o): Cleanup use of SCEV_H and TREE_DATA_REF_H.
15176
15177 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
15178
15179         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR): Remove and
15180         use default set in mingw32.h header.
15181         * config/i386/mingw32.h (STANDARD_INCLUDE_DIR): Use for 32-bit and
15182         64-bit /mingw/include path.
15183         (STANDARD_STARTFILE_PREFIX_1): Use for 32-bit and 64-bit /mingw/lib
15184         path.
15185
15186 2009-07-23  Neil Vachharajani  <nvachhar@google.com>
15187
15188         PR rtl-optimization/40209
15189         * loop-iv.c (iv_analysis_loop_init): Call df_note_add_problem.
15190
15191 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
15192
15193         * config/i386/i386.c: Use ASM_LONG instead of .long.  Concatenate
15194         ASM_LONG, LPREFIX, MCOUNT_NAME and PROFILE_COUNT_REGISTER strings
15195         with the rest of string where appropriate.  Use fputs or putc
15196         instead of fprintf where appropriate.
15197
15198 2009-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
15199             Pat Haugen  <pthaugen@us.ibm.com>
15200             Revital Eres <ERES@il.ibm.com>
15201
15202         * config/rs6000/vector.md: New file.  Move most of the vector
15203         expander support here from altivec.md to allow for the VSX vector
15204         unit in the future.  Add support for secondary_reload patterns.
15205         Rewrite the patterns for vector comparison, and vector comparison
15206         predicate instructions so that the RTL expresses the desired
15207         behavior, instead of using unspec.
15208
15209         * config/rs6000/constraints.md ("f" constraint): Use
15210         rs6000_constraints to hold the precalculated register class.
15211         ("d" constraint): Ditto.
15212         ("wd" constraint): New constraint for VSX.
15213         ("wf" constraint): Ditto.
15214         ("ws" constraint): Ditto.
15215         ("wa" constraint): Ditto.
15216         ("wZ" constraint): Ditto.
15217         ("j" constraint): Ditto.
15218
15219         * config/rs6000/predicates.md (vsx_register_operand): New
15220         predicate for VSX.
15221         (vfloat_operand): New predicate for vector.md.
15222         (vint_operand): Ditto.
15223         (vlogical_operand): Ditto.
15224         (easy_fp_constant): If VSX, 0.0 is an easy constant.
15225         (easy_vector_constant): Add VSX support.
15226         (altivec_indexed_or_indirect_operand): New predicate for
15227         recognizing Altivec style memory references with AND -16.
15228
15229         * config/rs6000/rs6000.c (rs6000_vector_reload): New static global
15230         for vector secondary reload support.
15231         (rs6000_vector_reg_class): Delete, replacing it with
15232         rs6000_constraints.
15233         (rs6000_vsx_reg_class): Ditto.
15234         (rs6000_constraints): New array to hold the register classes of
15235         each of the register constraints that can vary at runtime.
15236         (builtin_mode_to_type): New static array for builtin function type
15237         creation.
15238         (builtin_hash_table): New static hash table for builtin function
15239         type creation.
15240         (TARGET_SECONDARY_RELOAD): Define target hook.
15241         (TARGET_IRA_COVER_CLASSES): Ditto.
15242         (rs6000_hard_regno_nregs_internal): If -mvsx, floating point
15243         registers are 128 bits if VSX memory reference instructions are used.
15244         (rs6000_hard_regno_mode_ok): For VSX, only check if the VSX memory
15245         unit is being used.
15246         (rs6000_debug_vector_unit): Move into rs6000_debug_reg_global.
15247         (rs6000_debug_reg_global): Move -mdebug=reg statements here.
15248         Print several of the scheduling related parameters.
15249         (rs6000_init_hard_regno_mode_ok): Switch to putting constraints in
15250         rs6000_constraints instead of rs6000_vector_reg_class.  Move
15251         -mdebug=reg code to rs6000_debug_reg_global.  Add support for
15252         -mvsx-align-128 debug switch.  Drop testing float_p if VSX or
15253         Altivec.  Add VSX support.  Setup for secondary reload support on
15254         Altivec/VSX registers.
15255         (rs6000_override_options): Make power7 set the scheduling groups
15256         like the power5.  Add support for new debug switches to override
15257         the scheduling defaults.  Temporarily disable -mcpu=power7 from
15258         setting -mvsx.  Add support for debug switches -malways-hint,
15259         -msched-groups, and -malign-branch-targets.
15260         (rs6000_buitlin_conversion): Add support for returning unsigned
15261         vector conversion functions to fix regressions due to stricter
15262         type checking.
15263         (rs6000_builtin_mul_widen_even): Ditto.
15264         (rs6000_builtin_mul_widen_odd): Ditto.
15265         (rs6000_builtin_vec_perm): Ditto.
15266         (rs6000_vec_const_move): On VSX, use xxlxor to clear register.
15267         (rs6000_expand_vector_init): Initial VSX support for using xxlxor
15268         to zero a register.
15269         (rs6000_emit_move): Fixup invalid const symbol_ref+reg that is
15270         generated upstream.
15271         (bdesc_3arg): Add builtins for unsigned types.  Add builtins for
15272         VSX types for bit operations.  Changes to accomidate vector.md.
15273         (bdesc_2arg): Ditto.
15274         (bdesc_1arg): Ditto.
15275         (struct builtin_description_predicates): Rewrite predicate
15276         handling so that RTL describes the operation, instead of passing
15277         the instruction to be used as a string argument.
15278         (bdesc_altivec_preds): Ditto.
15279         (altivec_expand_predicate_builtin): Ditto.
15280         (altivec_expand_builtin): Ditto.
15281         (rs6000_expand_ternop_builtin): Use a switch instead of an if
15282         statement for vsldoi support.
15283         (altivec_expand_ld_builtin): Change to use new names from vector.md.
15284         (altivec_expand_st_builtin): Ditto.
15285         (paired_expand_builtin): Whitespace changes.
15286         (rs6000_init_builtins): Add V2DF/V2DI types.  Initialize the
15287         builtin_mode_to_type table for secondary reload.  Call
15288         builtin_function_type to build random builtin functions.
15289         (altivec_init_builtins): Change to use builtin_function_type to
15290         create builtin function types dynamically as we need them.
15291         (builtin_hash_function): New support for hashing the tree types
15292         for builtin function as we need it, rather than trying to build
15293         all of the trees that we need.  Add initial preliminary VSX support.
15294         (builtin_function_type): Ditto.
15295         (builtin_function_eq): Ditto.
15296         (builtin_hash_struct): Ditto.
15297         (rs6000_init_builtins): Ditto.
15298         (rs6000_common_init_builtins): Ditto.
15299         (altivec_init_builtins): Ditto.
15300         (rs6000_common_init_builtins): Ditto.
15301         (enum reload_reg_type): New enum for simplifing reg classes.
15302         (rs6000_reload_register_type): Simplify register classes into GPR,
15303         Vector, and other registers.  Altivec and VSX addresses in reload.
15304         (rs6000_secondary_reload_inner): Ditto.
15305         (rs6000_ira_cover_classes): New target hook, that returns the
15306         appropriate cover classes, based on -mvsx being used or not.
15307         (rs6000_secondary_reload_class): Add VSX support.
15308         (get_vec_cmp_insn): Delete, rewrite vector conditionals.
15309         (get_vsel_insn): Ditto.
15310         (rs6000_emit_vector_compare): Rewrite vector conditional support
15311         so that where we can, we use RTL operators, instead of blindly use
15312         UNSPEC.
15313         (rs6000_emit_vector_select): Ditto.
15314         (rs6000_emit_vector_cond_expr): Ditto.
15315         (rs6000_emit_minmax): Directly generate min/max under altivec, vsx.
15316         (create_TOC_reference): Add -mdebug=addr support.
15317         (emit_frame_save): VSX loads/stores need register indexed addressing.
15318
15319         * config/rs6000/rs6000.md: Include vector.md.
15320
15321         * config/rs6000/t-rs6000 (MD_INCLUDES): Add vector.md.
15322
15323         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
15324         support for V2DI, V2DF in logical, permute, select operations.
15325
15326         * config/rs6000/rs6000.opt (-mvsx-scalar-double): Add new debug
15327         switch for vsx/power7.
15328         (-mvsx-scalar-memory): Ditto.
15329         (-mvsx-align-128): Ditto.
15330         (-mallow-movmisalign): Ditto.
15331         (-mallow-df-permute): Ditto.
15332         (-msched-groups): Ditto.
15333         (-malways-hint): Ditto.
15334         (-malign-branch-targets): Ditto.
15335
15336         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Delete, use target
15337         hook instead.
15338         (IRA_COVER_CLASSES_PRE_VSX): Cover classes if not -mvsx.
15339         (IRA_COVER_CLASSES_VSX): Cover classes if -mvsx.
15340         (rs6000_vector_reg_class): Delete.
15341         (rs6000_vsx_reg_class): Ditto.
15342         (enum rs6000_reg_class_enum): New enum for the constraints that
15343         vary based on target switches.
15344         (rs6000_constraints): New array to hold the register class for all
15345         of the register constraints that vary based on the switches used.
15346         (ALTIVEC_BUILTIN_*_UNS): Add unsigned builtin functions.
15347         (enum rs6000_builtins): Add unsigned varients for the builtin
15348         declarations returned by target hooks for expanding multiplies,
15349         select, and permute operations.  Add VSX builtins.
15350         (enum rs6000_builtin_type_index): Add entries for VSX.
15351         (V2DI_type_node): Ditto.
15352         (V2DF_type_node): Ditto.
15353         (unsigned_V2DI_type_node): Ditto.
15354         (bool_long_type_node): Ditto.
15355         (intDI_type_internal_node): Ditto.
15356         (uintDI_type_internal_node): Ditto.
15357         (double_type_internal_node): Ditto.
15358
15359         * config/rs6000/altivec.md (whole file): Move all expanders to
15360         vector.md from altivec.md.  Rename insn matching functions to be
15361         altivec_foo.
15362         (UNSPEC_VCMP*): Delete, rewrite vector comparisons.
15363         (altivec_vcmp*): Ditto.
15364         (UNSPEC_VPERM_UNS): New, add for unsigned types using vperm.
15365         (VM): New iterator for moves that includes the VSX types.
15366         (altivec_vperm_<mode>): Add VSX types.  Add unsigned types.
15367         (altivec_vperm_<mode>_uns): New, for unsigned types.
15368         (altivec_vsel_*): Rewrite vector comparisons and predicate builtins.
15369         (altivec_eq<mode>): Ditto.
15370         (altivec_gt<mode>): Ditto.
15371         (altivec_gtu<mode>): Ditto.
15372         (altivec_eqv4sf): Ditto.
15373         (altivec_gev4sf): Ditto.
15374         (altivec_gtv4sf): Ditto.
15375         (altivec_vcmpbfp_p): Ditto.
15376
15377 2009-07-23  Richard Earnshaw  <rearnsha@arm.com>
15378
15379         * arm.md (split for ior/xor with shift and zero-extend): Cast op3 to
15380         unsigned HWI.
15381
15382 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
15383
15384         PR target/40832
15385         * config/i386/i386.c (output_387_ffreep): Rewrite to use
15386         ASM_SHORT instead of .word.
15387         * config/i386/i386.md (*tls_global_dynamic_64): Use ASM_SHORT
15388         instead of .word in asm template.
15389
15390 2009-07-22  Vladimir Makarov  <vmakarov@redhat.com>
15391
15392         PR target/37488
15393         * ira-lives.c (bb_has_abnormal_call_pred): New function.
15394         (process_bb_node_lives): Use it.
15395
15396         * ira.c (setup_cover_and_important_classes): Don't setup
15397         ira_important_class_nums.  Add cover classes to the end of
15398         important classes.
15399         (cover_class_order, comp_reg_classes_func, reorder_important_classes):
15400         New.
15401         (find_reg_class_closure): Use reorder_important_classes.
15402
15403         * config/i386/i386.h (IRA_COVER_CLASSES): Remove.
15404
15405         * config/i386/i386.c (i386_ira_cover_classes): New function.
15406         (TARGET_IRA_COVER_CLASSES): Redefine.
15407
15408         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Add a comment about
15409         importance of order of cover classes in the array.
15410
15411 2009-07-22  Diego Novillo  <dnovillo@google.com>
15412
15413         * tree-pass.h (TDF_EH): Define.
15414         * gimple-pretty-print.c (dump_gimple_stmt): If FLAGS
15415         contains TDF_EH, print the EH region number holding GS.
15416         * tree-dump.c (dump_options): Add "eh".
15417         * doc/invoke.texi: Document it.
15418
15419 2009-07-22  Doug Kwan  <dougkwan@google.com>
15420
15421         * config/arm/arm.md (subdi3) Copy non-reg values to DImode registers.
15422
15423 2009-07-22  Michael Matz  <matz@suse.de>
15424
15425         PR tree-optimization/35229
15426         PR tree-optimization/39300
15427
15428         * tree-ssa-pre.c (includes): Include tree-scalar-evolution.h.
15429         (inhibit_phi_insertion): New function.
15430         (insert_into_preds_of_block): Call it for REFERENCEs.
15431         (init_pre): Initialize and finalize scalar evolutions.
15432         * Makefile.in (tree-ssa-pre.o): Depend on tree-scalar-evolution.h .
15433
15434 2009-07-22  Uros Bizjak  <ubizjak@gmail.com>
15435
15436         * config/i386/predicates.md (zero_extended_scalar_load_operand):
15437         Use CONST_VECTOR_NUNITS to determine number of elements.
15438
15439 2009-07-22  Andreas Krebbel  <krebbel1@de.ibm.com>
15440
15441         * config/s390/constraints.md (ZQ, ZR, ZS, ZT): New constraints.
15442         (U, W): Constraints are now deprecated and will be removed if we
15443         run out of letters.
15444         * config/s390/s390.md (U, W): Replaced with ZQZR, ZSZT throughout
15445         the file.
15446         ("prefetch"): Add the stcmh instruction for prefetching.
15447         * config/s390/s390.c (s390_symref_operand_p): Function moved. No
15448         changes.
15449         (s390_short_displacement): Return always true if compiling for
15450         machines not providing the long displacement facility.
15451         (s390_mem_constraint): Support the new constraint letter Z.
15452         (s390_check_qrst_address): New function.
15453
15454 2009-07-21  DJ Delorie  <dj@redhat.com>
15455
15456         * config/mep/mep.c (mep_legitimize_arg): Leave control registers
15457         alone too.
15458
15459 2009-07-21  Jason Merrill  <jason@redhat.com>
15460
15461         * c-common.c (max_tinst_depth): Increase default to 1024.
15462
15463 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
15464
15465         * config/i386/sse.md (vec_unpacku_float_hi_v4si): New expander.
15466         (vec_unpacku_float_lo_v4si): Ditto.
15467
15468 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
15469
15470         PR target/40811
15471         * config/i386/sse.md (sse2_cvtudq2ps): New expander.
15472         (enum ix86_builtins): Add IX86_BUILTIN_CVTUDQ2PS.
15473         (builtin_description): Add __builtin_ia32_cvtudq2ps.
15474         (ix86_vectorize_builtin_conversion): Handle IX86_BUILTIN_CVTUDQ2PS.
15475
15476 2009-07-21  Jakub Jelinek  <jakub@redhat.com>
15477
15478         PR tree-optimization/40813
15479         * tree-inline.c (copy_bb): Regimplify RHS after last stmt, not before
15480         it.
15481
15482 2009-07-21  Kaz Kojima  <kkojima@gcc.gnu.org>
15483
15484         * config/sh/sh.c (sh_gimplify_va_arg_expr): Wrap the result
15485         with a NOP_EXPR if needed.
15486
15487 2009-07-21  Paul Brook <paul@codesourcery.com>
15488
15489         * tree-vectorizer.c (increase_alignment): Handle nested arrays.
15490         Terminate debug dump with newline.
15491
15492 2009-07-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15493
15494         * pa.c (compute_zdepwi_operands): Limit deposit length to 32 - lsb.
15495         Cast "1" to unsigned HOST_WIDE_INT.
15496         (compute_zdepdi_operands): Limit maximum length to 64 bits.  Limit
15497         deposit length to the maximum length - lsb.  Extend length if
15498         HOST_BITS_PER_WIDE_INT is 32.
15499
15500 2009-07-20  Olatunji Ruwase <tjruwase@google.com>
15501
15502         * cgraph.h (constant_pool_htab): New function.
15503         (constant_descriptor_tree): Move from varasm.c.
15504         * varasm.c (constant_pool_htab): New function.
15505         (constant_descriptor_tree): Move to cgraph.h.
15506
15507 2009-07-20  Olatunji Ruwase  <tjruwase@google.com>
15508
15509         * toplev.c: Invoke FINISH_UNIT callbacks before call to finalize().
15510
15511 2009-07-20  Shujing Zhao  <pearly.zhao@oracle.com>
15512
15513         * Makefile.in (TREE_INLINE_H, tree-inline.o, cgraph.o): Remove
15514         $(VARRAY_H).
15515
15516 2009-07-20  Xinliang David Li  <davidxl@google.com>
15517
15518         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add length check.
15519
15520 2009-07-20  Adam Nemet  <anemet@caviumnetworks.com>
15521
15522         * config/mips/mips.md (move_type): Add arith.
15523         (type): Handle arith.
15524         (zero_extendsidi2): Rename this into ...
15525         (*zero_extendsidi2): ... this.  Don't match if ISA_HAS_EXT_INS.
15526         (zero_extendsidi2): New expander.
15527         (*zero_extendsidi2_dext): New pattern.
15528
15529 2009-07-20  Nick Clifton  <nickc@redhat.com>
15530
15531         * config.gcc (mips64-*-*): Add definition of tm_defines in order
15532         to set MIPS_ABI_DEFAULT.
15533         * config/mips/vr.h (MIPS_ABI_DEFAULT): Remove definition.
15534
15535 2009-07-20  Jakub Jelinek  <jakub@redhat.com>
15536
15537         * tree-object-size.c (addr_object_size): Handle unions with
15538         array in it as last field of structs in __bos (, 1) as __bos (, 0).
15539
15540         PR tree-optimization/40792
15541         * tree.c (build_function_type_skip_args): Remove bogus assert.
15542
15543 2009-07-20  Jan Hubicka  <jh@suse.cz>
15544             Martin Jambor  <mjambor@suse.cz>
15545
15546         * cgraph.h (combined_args_to_skip): New field.
15547         * cgraph.c (cgraph_create_virtual_clone): Properly handle
15548         combined_args_to_skip and args_to_skip.
15549         * tree-inline.c (update_clone_info): New function.
15550         (tree_function_versioning): Call update_clone_info.
15551         * cgraphunit.c (cgraph_materialize_clone): Dump materialized
15552         functions.
15553         (cgraph_materialize_all_clones): More extensive dumping, working
15554         with combined_args_to_skip rather than args_to_skip.
15555
15556 2009-07-20  Ira Rosen  <irar@il.ibm.com>
15557
15558         * tree-vectorizer.h (vectorizable_condition): Add parameters.
15559         * tree-vect-loop.c (vect_is_simple_reduction): Support COND_EXPR.
15560         (get_initial_def_for_reduction): Likewise.
15561         (vectorizable_reduction): Skip the check of first operand in case
15562         of COND_EXPR. Add check that it is outer loop vectorization if
15563         nested cycle was detected. Call vectorizable_condition() for
15564         COND_EXPR. If reduction epilogue cannot be created do not fail for
15565         nested cycles (if it is not double reduction). Assert that there
15566         is only one type in the loop in case of COND_EXPR. Call
15567         vectorizable_condition() to vectorize COND_EXPR.
15568         * tree-vect-stmts.c (vectorizable_condition): Update comment.
15569         Add parameters. Allow nested cycles if called from
15570         vectorizable_reduction(). Use reduction vector variable if provided.
15571         (vect_analyze_stmt): Call vectorizable_reduction() before
15572         vectorizable_condition().
15573         (vect_transform_stmt): Update call to vectorizable_condition().
15574
15575 2009-07-20  Christian Bruel  <christian.bruel@st.com>
15576
15577         * config/sh/sh.opt (-mfmovd): Resurrect and document.
15578         * doc/invoke.texi (-mfmovd): Likewise.
15579         * config/sh/sh.h (TARGET_FMOVD, MASK_FMOVD): Remove default setting.
15580
15581 2009-07-20  Jan Hubicka  <jh@suse.cz>
15582
15583         * tree-ssa-dce.c (remove_dead_phis): Only look for abnormal PHIs
15584         when handling SSA name.
15585
15586 2009-07-19  Jan Hubicka  <jh@suse.cz>
15587
15588         PR tree-optimization/40676
15589         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do renaming on all
15590         virtual PHIs in empty BBs.
15591
15592 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
15593
15594         * combine.c (make_compound_operation) <SUBREG>: If force_to_mode
15595         re-expanded the compound use gen_lowpart instead to convert to the
15596         desired mode.
15597
15598 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
15599
15600         * combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and
15601         OUTER_CONST arguments.
15602         <LSHIFTRT>: Use them to allow widening if the bits shifted in from
15603         the new wider mode will be masked off.
15604         (simplify_shift_const_1): Adjust calls to try_widen_shift_mode.
15605
15606 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
15607
15608         * combine.c (try_widen_shift_mode) <LSHIFTRT>: Allow widening if the
15609         high-order bits are zero.
15610
15611 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
15612
15613         * combine.c (simplify_shift_const_1): Split code to determine
15614         shift_mode into ...
15615         (try_widen_shift_mode): ... here.  Allow widening for ASHIFTRT if the
15616         new bits shifted in are identical to the old sign bit.
15617
15618 2009-07-18  Richard Guenther  <rguenther@suse.de>
15619
15620         PR c/40787
15621         * gimplify.c (gimplify_call_expr): Reject code using results from
15622         functions returning void.
15623
15624 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
15625
15626         * doc/md.texi: Document the new PowerPC "es" constraint.
15627         Document that "m" can include automodified addresses on this target,
15628         and explain how %U must be used.  Extend the "Q" and "Z" documentation
15629         to suggest "es" as well as "m".
15630         * config/rs6000/constraints.md (es): New memory constraint.
15631         (Q, Z): Update strings to match new documentation.
15632
15633 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
15634
15635         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Allow any
15636         offset from virtual_stack_vars_rtx and arg_pointer_rtx.
15637         * config/rs6000/predicates.md (volatile_mem_operand): Use
15638         offsettable_nonstrict_memref_p.
15639         * config/rs6000/rs6000.md (*floatsidf2_internal): Remove split check.
15640         (*floatunssidf2_internal): Likewise.
15641         (*fix_truncdfsi2_internal): Likewise.
15642         (*fix_trunctfsi2_internal): Likewise.
15643
15644 2009-07-17  Anatoly Sokolov  <aesok@post.ru>
15645
15646         * config/avr/avr-devices.c (avr_mcu_t): Add atmega8u2, atmega16u2 and
15647         atmega32u2 devices.
15648         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
15649
15650 2009-07-17  Richard Guenther  <rguenther@suse.de>
15651
15652         PR c/40401
15653         * tree-pass.h (pass_diagnose_omp_blocks): Declare.
15654         (pass_warn_unused_result): Likewise.
15655         (TODO_set_props): Remove.
15656         * omp-low.c (diagnose_omp_structured_block_errors): Change to
15657         run as a pass.
15658         (pass_diagnose_omp_blocks): Define.
15659         * c-decl.c (pop_file_scope): Do not finalize the CU here.
15660         (c_gimple_diagnostics_recursively): Remove.
15661         (finish_function): Do not call it.
15662         (c_write_global_declarations): Continue after errors.
15663         Finalize the CU here.
15664         * c-gimplify.c (c_genericize): Do not gimplify here.
15665         * c-common.c (c_warn_unused_result): Move ...
15666         * tree-cfg.c (do_warn_unused_result): ... here.
15667         (run_warn_unused_result): New function.
15668         (gate_warn_unused_result): New function.
15669         (pass_warn_unused_result): New pass.
15670         * c-common.h (c_warn_unused_result): Remove.
15671         * flags.h (flag_warn_unused_result): Declare.
15672         * c-opts.c (c_common_init_options): Enable flag_warn_unused_result.
15673         * opts.c (flag_warn_unused_result): Initialize to false.
15674         * toplev.c (compile_file): Add comment.
15675         * omp-low.c (create_omp_child_function): Do not register
15676         the function with the frontend.
15677         (diagnose_omp_structured_block_errors): Prepare to be
15678         called as optimization pass.
15679         (gate_diagnose_omp_blocks): New function.
15680         (pass_diagnose_omp_blocks): New pass.
15681         * cgraph.h (cgraph_optimize): Remove.
15682         (cgraph_analyze_function): Likewise.
15683         * cgraph.c (cgraph_add_new_function): Gimplify C++ thunks.
15684         * cgraphunit.c (cgraph_lower_function): Lower nested functions
15685         before their parents here.
15686         (cgraph_finalize_function): Not here.
15687         (cgraph_analyze_function): Gimplify functions here.
15688         (cgraph_finalize_compilation_unit): Continue after errors.
15689         Optimize the callgraph from here.
15690         (cgraph_optimize): Make static.
15691         * langhooks.c (write_global_declarations): Finalize the CU.
15692         * gimplify.c (gimplify_asm_expr): Do not emit ASMs with errors.
15693         (gimplify_function_tree): Assert we gimplify only once.
15694         Set PROP_gimple_any property.
15695         * tree-nested.c (gimplify_all_functions): New function.
15696         (lower_nested_functions): Gimplify all nested functions.
15697         * gimple.h (diagnose_omp_structured_block_errors): Remove.
15698         * passes.c (init_optimization_passes): Add pass_warn_unused_result
15699         and pass_diagnose_omp_blocks after gimplification.  Do not
15700         set TODO_set_props on all_lowering_passes.
15701         (execute_one_pass): Do not handle TODO_set_props.
15702         * Makefile.in (cgraphunit.o): Add $(TREE_DUMP_H) dependency.
15703         (gimplify.o): Add tree-pass.h dependency.
15704         * tree-inline.c (copy_statement_list): Properly copy STATEMENT_LIST.
15705         (copy_tree_body_r): Properly handle TARGET_EXPR like SAVE_EXPR.
15706         (unsave_r): Likewise.
15707         * c-omp.c (c_finish_omp_atomic): Set DECL_CONTEXT on the
15708         temporary variable.
15709
15710 2009-07-17  Sandra Loosemore  <sandra@codesourcery.com>
15711
15712         * doc/service.texi (Service): Restore previously removed link,
15713         which isn't broken after all.
15714
15715 2009-07-17  Richard Guenther  <rguenther@suse.de>
15716
15717         PR tree-optimization/40321
15718         * tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
15719         PHI nodes to the maximal set.
15720         (make_values_for_phi): Add PHI arguments to the maximal set.
15721         (execute_pre): Dump PHI_GEN and the maximal set.
15722
15723 2009-07-17  Jakub Jelinek  <jakub@redhat.com>
15724
15725         PR c++/40780
15726         * gimplify.c (gimplify_conversion): Don't change non-conversions into
15727         VIEW_CONVERT_EXPR.
15728
15729 2009-07-16  Sandra Loosemore  <sandra@codesourcery.com>
15730
15731         * doc/extend.texi (Nested Functions): Replace broken link with
15732         textual reference.
15733         * doc/service.texi (Service): Remove broken link.
15734
15735 2009-07-16  H.J. Lu  <hongjiu.lu@intel.com>
15736
15737         PR bootstrap/40781
15738         * builtins.c (expand_builtin_memcmp): Use loc instead of
15739         EXPR_LOCATION (exp).
15740         (expand_builtin_strncmp): Likewise.
15741
15742 2009-07-17  Aldy Hernandez  <aldyh@redhat.com>
15743             Manuel López-Ibáñez  <manu@gcc.gnu.org>
15744
15745         PR 40435
15746         * tree-complex.c, tree-loop-distribution.c, tree.c, tree.h,
15747         builtins.c, fold-const.c, omp-low.c, cgraphunit.c, tree-ssa-ccp.c,
15748         tree-ssa-dom.c, gimple-low.c, expr.c, tree-ssa-ifcombine.c,
15749         c-decl.c, stor-layout.c, tree-if-conv.c, c-typeck.c, gimplify.c,
15750         calls.c, tree-sra.c, tree-mudflap.c, tree-ssa-copy.c,
15751         tree-ssa-forwprop.c, c-convert.c, c-omp.c, varasm.c,
15752         tree-inline.c, c-common.c, c-common.h, gimple.c,
15753         tree-switch-conversion.c, gimple.h, tree-cfg.c, c-parser.c,
15754         convert.c: Add location argument to fold_{unary,binary,ternary},
15755         fold_build[123], build_call_expr, build_size_arg,
15756         build_fold_addr_expr, build_call_array, non_lvalue, size_diffop,
15757         fold_build1_initializer, fold_build2_initializer,
15758         fold_build3_initializer, fold_build_call_array,
15759         fold_build_call_array_initializer, fold_single_bit_test,
15760         omit_one_operand, omit_two_operands, invert_truthvalue,
15761         fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref,
15762         combine_comparisons, fold_builtin_*, fold_call_expr,
15763         build_range_check, maybe_fold_offset_to_address, round_up,
15764         round_down.
15765
15766 2009-07-16  Jason Merrill  <jason@redhat.com>
15767
15768         PR libstdc++/37907
15769         * c-common.c (c_common_reswords): Add __is_standard_layout
15770         and __is_trivial.
15771         * c-common.h (enum rid): Add RID_IS_STD_LAYOUT and RID_IS_TRIVIAL.
15772         * doc/implement-cxx.texi: New.
15773         * doc/gcc.texi: Include it.
15774
15775 2009-07-16  DJ Delorie  <dj@redhat.com>
15776
15777         * config/m32c/m32c.c (m32c_compare_redundant): Avoid removing
15778         compares that may be indirectly affected by previous instructions.
15779
15780 2009-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15781
15782         * builtins.c (do_mpc_arg2): New.
15783         (fold_builtin_2): Fold builtin cpow.
15784         * real.h (HAVE_mpc_pow): New.
15785
15786 2009-07-16  Bingfeng Mei  <bmei@broadcom.com>
15787
15788         * modulo-sched.c (sms_schedule): stage_count <= 1 as correct
15789         comparison to skip unprofitable schedule
15790
15791 2009-07-16  Simon Baldwin  <simonb@google.com>
15792
15793         * gcc.c (option_map): New flag -no-canonical-prefixes.
15794         * (display_help): Print help text for new flag.
15795         * (process_command): Move options translation and language specifics
15796         and handle new flag early.  Use it to set a function pointer to a
15797         prefix builder.  Replace make_relative_prefix calls with calls to
15798         the function pointed to.  Ignore new flag in regular options handling.
15799         * doc/invoke.texi (Overall Options): Documented -no-canonical-prefixes.
15800
15801 2009-07-15  DJ Delorie  <dj@redhat.com>
15802
15803         * config/mep/mep.md (sibcall_internal): Change register to avoid
15804         argument registers.
15805         (sibcall_value_internal): Likewise.
15806
15807 2009-07-15  Eric Botcazou  <ebotcazou@adacore.com>
15808
15809         PR rtl-optimization/40710
15810         * resource.c (mark_target_live_regs): Reset DF problem to LR.
15811
15812 2009-07-15  Adam Nemet  <anemet@caviumnetworks.com>
15813
15814         * config/mips/mips.md (*extenddi_truncate<mode>,
15815         *extendsi_truncate<mode>): Change type attribute to move_type
15816         with shift_shift.  Split out code handling exts from here ...
15817         (*extend<GPR:mode>_truncate<SHORT:mode>_exts): ... to this new
15818         pattern.
15819         (*extendhi_truncateqi): Change type attribute to move_type with
15820         shift_shift.  Split out code handling exts from here ...
15821         (*extendhi_truncateqi_exts): ... to this new pattern.
15822
15823 2009-07-15  Uros Bizjak  <ubizjak@gmail.com>
15824
15825         * config/i386/sse.md (copysign<mode>3): Use "and-not" SSE instruction
15826         instead of "and" with inverted sign bit mask value.  Use
15827         "nonimmediate_operand" for operand 1 and operand 2 predicate.
15828         Allocate registers only for operand 4 and operand 5.
15829
15830 2009-07-15  Jakub Jelinek  <jakub@redhat.com>
15831
15832         PR middle-end/40747
15833         * fold-const.c (fold_cond_expr_with_comparison): When folding
15834         < and <= to MIN, make sure the MIN uses the same type as the
15835         comparison's operands.
15836
15837 2009-07-15  Richard Earnshaw  <rearnsha@arm.com>
15838
15839         * arm.md (ior_xor): New code iterator.
15840         (split for ior/xor with shift and zero-extend): New split pattern.
15841         * arm/predicates.md (subreg_lowpart_operator): New special predicate.
15842
15843 2009-07-15  Richard Guenther  <rguenther@suse.de>
15844
15845         * tree-ssa-structalias.c (make_constraint_from_heapvar): Initialize
15846         offset member.
15847
15848 2009-07-15  Richard Guenther  <rguenther@suse.de>
15849
15850         PR middle-end/40753
15851         * alias.c (ao_ref_from_mem): Reject FUNCTION_DECL and LABEL_DECL bases.
15852
15853 2009-07-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
15854
15855         * config/m68k/linux-unwind.h (m68k_fallback_frame_state): Update to
15856         handle 2.6.30 kernel.
15857
15858 2009-07-15  DJ Delorie  <dj@redhat.com>
15859
15860         * config/mep/mep.md (sibcall_internal): Change register to allow
15861         for 24-bit addresses.
15862         (sibcall_value_internal): Likewise.
15863
15864 2009-07-14  Ghassan Shobaki  <ghassan.shobaki@amd.com>
15865
15866         * doc/invoke.texi: Added descriptions of the  scheduling heuristics
15867         that are enabled/disabled by the flags introduced by a previous patch.
15868
15869 2009-07-14  DJ Delorie  <dj@redhat.com>
15870
15871         * config/mep/mep.md (sibcall_internal): Include non-toggling
15872         non-jmp case.
15873         (sibcall_value_internal): Likewise.
15874
15875 2009-07-14  Taras Glek  <tglek@mozilla.com>
15876             Rafael Espindola  <espindola@google.com>
15877
15878         * doc/sourcebuild.texi: Document install-plugin target.
15879         * configure.ac: Added install-plugin target to language makefiles.
15880         * configure: Regenerate.
15881         * Makefile.in (install-plugin): Install more headers,
15882         depend on lang.install-plugin.
15883
15884 2009-07-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15885
15886         * tree-vrp.c (vrp_evaluate_conditional): Mark strings for
15887         translation.
15888
15889 2009-07-14  DJ Delorie  <dj@redhat.com>
15890
15891         * config/mep/mep.c (mep_vliw_jmp_match): New function.
15892         * config/mep/mep-protos.h (mep_vliw_jmp_match): Prototype it.
15893         * config/mep/mep.md (sibcall_internal): Change test from
15894         mep_vliw_mode_match to mep_vliw_jmp_match.
15895         (sibcall_value_internal): Likewise.
15896
15897 2009-07-14  Uros Bizjak  <ubizjak@gmail.com>
15898
15899         * config/i386/sse.md (copysign<mode>3): New expander.
15900         * config/i386/i386-protos.h (ix86_build_signbit_mask): New prototype.
15901         * config/i386/i386.c (ix86_build_signbit_mask): Make public.
15902         Use ix86_build_const_vector.
15903         (enum ix86_builtins): Add IX86_BUILTIN_CPYSGNPS and
15904         IX86_BUILTIN_CPYSGNPD.
15905         (builtin_description): Add __builtin_ia32_copysignps and
15906         __builtin_ia32_copysignpd.
15907         (ix86_builtin_vectorized_function): Handle BUILT_IN_COPYSIGN
15908         and BUILT_IN_COPYSIGNF.
15909
15910 2009-07-13  Jason Merrill  <jason@redhat.com>
15911
15912         * builtins.c (can_trust_pointer_alignment): New fn.
15913         (get_pointer_alignment): Factor it out from here.
15914         * tree.h: Declare it.
15915
15916 2009-07-14  David Edelsohn  <edelsohn@gnu.org>
15917
15918         * config/rs6000/predicates.md (offsettable_mem_operand): Test
15919         RTX_AUTOINC class.
15920
15921 2009-07-14  Dodji Seketeli  <dodji@redhat.com>
15922
15923         PR debug/40705
15924         PR c++/403057
15925         * dwarf2.out.c (gen_type_die_with_usage): Added comment.
15926
15927 2009-07-14  Richard Guenther  <rguenther@suse.de>
15928             Andrey Belevantsev <abel@ispras.ru>
15929
15930         PR middle-end/40745
15931         * cfgexpand.c (partition_stack_vars): Do not bother to update
15932         alias information when not optimizing.
15933
15934 2009-07-14  Richard Guenther  <rguenther@suse.de>
15935             Andrey Belevantsev <abel@ispras.ru>
15936
15937         * tree-ssa-alias.h (refs_may_alias_p_1): Declare.
15938         (pt_solution_set): Likewise.
15939         * tree-ssa-alias.c (refs_may_alias_p_1): Export.
15940         * tree-ssa-structalias.c (pt_solution_set): New function.
15941         * final.c (rest_of_clean_state): Free SSA data structures.
15942         * print-rtl.c (print_decl_name): Remove.
15943         (print_mem_expr): Implement in terms of print_generic_expr.
15944         * alias.c (ao_ref_from_mem): New function.
15945         (rtx_refs_may_alias_p): Likewise.
15946         (true_dependence): Query alias-export info.
15947         (canon_true_dependence): Likewise.
15948         (write_dependence_p): Likewise.
15949         * tree-dfa.c (get_ref_base_and_extent): For void types leave
15950         size unknown.
15951         * emit-rtl.c (component_ref_for_mem_expr): Remove.
15952         (mem_expr_equal_p): Use operand_equal_p.
15953         (set_mem_attributes_minus_bitpos): Do not use
15954         component_ref_for_mem_expr.
15955         * cfgexpand.c (add_partitioned_vars_to_ptset): New function.
15956         (update_alias_info_with_stack_vars): Likewise.
15957         (partition_stack_vars): Call update_alias_info_with_stack_vars.
15958         * tree-ssa.c (delete_tree_ssa): Do not release SSA names
15959         explicitly nor clear stmt operands.
15960         Free the decl-to-pointer map.
15961         * tree-optimize.c (execute_free_datastructures): Do not free
15962         SSA data structures here.
15963         * tree-flow.h (struct gimple_df): Add decls_to_pointers member.
15964         * Makefile.in (emit-rtl.o): Add pointer-set.h dependency.
15965         (alias.o): Add tree-ssa-alias.h, pointer-set.h and $(TREE_FLOW_H)
15966         dependencies.
15967         (print-rtl.o): Add $(DIAGNOSTIC_H) dependency.
15968
15969 2009-07-13  DJ Delorie  <dj@redhat.com>
15970
15971         * config/mep/mep.h (CC1_SPEC): Tweak parameters to trigger
15972         unrolling at the right iteration count.
15973
15974         * config/mep/mep.c (mep_expand_prologue): Fix frame pointer
15975         calculations.
15976
15977 2009-07-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
15978
15979         * haifa-sched.c (rank_for_schedule): Introduced flags to
15980         enable/disable individual scheduling heuristics.
15981         * common.opt: Introduced flags to enable/disable individual
15982         heuristics in the scheduler.
15983         * doc/invoke.texi: Introduced flags to enable/disable individual
15984         heuristics in the scheduler.
15985
15986 2009-07-13  Kai Tietz  <kai.tietz@onevision.com>
15987
15988         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Remove file
15989         config/i386/mingw-tls.c.
15990         * config/i386/mingw-tls.c: Removed.
15991
15992 2009-07-13  Ira Rosen  <irar@il.ibm.com>
15993
15994         * tree-vect-loop.c (get_initial_def_for_reduction): Ensure that the
15995         checks access only relevant statements.
15996         (vectorizable_reduction): Likewise.
15997
15998 2009-07-12  Kai Tietz  <kai.tietz@onevision.com>
15999
16000         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
16001         just for 32-bit case.
16002
16003 2009-07-12  Jan Hubicka  <jh@suse.cz>
16004
16005         PR tree-optimization/40585
16006         * except.c (expand_resx_expr): When there already is resume
16007         instruction, produce linked list.
16008         (build_post_landing_pads): Assert that resume is empty.
16009         (connect_post_landing_pads): Handle resume lists.
16010         (dump_eh_tree): Dump resume list.
16011
16012 2009-07-12  Ira Rosen  <irar@il.ibm.com>
16013
16014         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
16015         with additional argument.
16016         * tree-vectorizer.h (enum vect_def_type): Add
16017         vect_double_reduction_def.
16018         (vect_is_simple_reduction): Add argument.
16019         * tree-vect-loop.c (vect_determine_vectorization_factor): Fix
16020         indentation.
16021         (vect_analyze_scalar_cycles_1): Detect double reduction. Call
16022         vect_is_simple_reduction with additional argument.
16023         (vect_analyze_loop_operations): Handle exit phi nodes in case of
16024         double reduction.
16025         (reduction_code_for_scalar_code): Handle additional codes by
16026         returning ERROR_MARK for them. Fix comment and indentation.
16027         (vect_is_simple_reduction): Fix comment, add argument to specify
16028         double reduction. Detect double reduction.
16029         (get_initial_def_for_induction): Fix indentation.
16030         (get_initial_def_for_reduction): Fix comment and indentation.
16031         Handle double reduction. Create initial definitions that do not
16032         require adjustment if ADJUSTMENT_DEF is NULL. Handle additional cases.
16033         (vect_create_epilog_for_reduction): Fix comment, add argument to
16034         handle double reduction. Use PLUS_EXPR in case of MINUS_EXPR in
16035         epilogue result extraction. Create double reduction phi node and
16036         replace relevant uses.
16037         (vectorizable_reduction): Call vect_is_simple_reduction with
16038         additional argument. Fix indentation. Update epilogue code treatment
16039         according to the changes in reduction_code_for_scalar_code. Check
16040         for double reduction. Call vect_create_epilog_for_reduction with
16041         additional argument.
16042         * tree-vect-stmts.c (process_use): Handle double reduction, update
16043         documentation.
16044         (vect_mark_stmts_to_be_vectorized): Handle double reduction.
16045         (vect_get_vec_def_for_operand): Likewise.
16046
16047 2009-07-12  Danny Smith  <dansmister@gmail.com>
16048
16049         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't
16050         dllexport if !TREE_PUBLIC.
16051         (i386_pe_maybe_record_exported_symbol): Assert TREE_PUBLIC.
16052
16053 2009-07-11  Anatoly Sokolov  <aesok@post.ru>
16054
16055         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Redefine.
16056         (avr_extra_arch_macro) Remove declatation.
16057         * config/avr/avr.c (avr_cpu_cpp_builtins): New function.
16058         (avr_extra_arch_macro) Declare as static.
16059         * config/avr/avr-protos.h (avr_cpu_cpp_builtins): Dclare.
16060
16061 2009-07-11  Jan Hubicka  <jh@suse.cz>
16062
16063         PR middle-end/48388
16064         * except.c (can_be_reached_by_runtime): Test for NULL aka bitmap.
16065
16066 2009-07-11  Jakub Jelinek  <jakub@redhat.com>
16067
16068         PR debug/40713
16069         * dwarf2out.c (dw_fde_struct): Add in_std_section and
16070         cold_in_std_section bits.
16071         (dwarf2out_begin_prologue): Initialize them.
16072         (dwarf2out_finish): Don't emit FDE range into .debug_ranges
16073         if already covered by text_section or cold_text_section range.
16074
16075         PR rtl-optimization/40667
16076         * defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
16077         * doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
16078         * config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
16079         * config/i386/i386.c (ix86_minimum_alignment): New function.
16080         * config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
16081         * cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
16082         * emit-rtl.c (gen_reg_rtx): Likewise.
16083         * function.c (assign_parms): Likewise.  If nominal_type needs
16084         bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
16085         rather than passed_type's alignment.
16086
16087         PR target/40668
16088         * function.c (assign_parm_setup_stack): Adjust
16089         MEM_OFFSET (data->stack_parm) if promoted_mode is different
16090         from nominal_mode on big endian.
16091
16092 2009-07-11  Paolo Bonzini  <bonzini@gnu.org>
16093
16094         * expmed.c (emit_store_flag_1): Fix choice of zero vs. sign extension.
16095
16096 2009-07-10  DJ Delorie  <dj@redhat.com>
16097
16098         * config/mep/mep.c (mep_can_inline_p): Correct logic, and simplify.
16099
16100 2009-07-10  Mark Mitchell  <mark@codesourcery.com>
16101
16102         * config/arm/thumb2.md (thumb2_cbz): Correct computation of length
16103         attribute.
16104         (thumb2_cbnz): Likewise.
16105
16106 2009-07-10  David Daney  <ddaney@caviumnetworks.com>
16107
16108         PR target/39079
16109         * config.gcc (supported_defaults): Add synci.
16110         (with_synci): Add validation.
16111         (all_defaults): Add synci.
16112         * config/mips/mips.md (clear_cache): Use TARGET_SYNCI instead of
16113         ISA_HAS_SYNCI.
16114         (synci): Same.
16115         * config/mips/mips.opt (msynci): New option.
16116         * config/mips/mips.c (mips_override_options): Warn on use of
16117         -msynci for targets that do now support it.
16118         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
16119         msynci.
16120         * gcc/doc/invoke.texi (-msynci): Document the new option.
16121         * doc/install.texi (--with-synci): Document the new option.
16122
16123 2009-07-10  Richard Guenther  <rguenther@suse.de>
16124
16125         PR tree-optimization/40496
16126         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Create
16127         the PHI result with a compatible type.
16128
16129 2009-07-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16130
16131         PR 25509
16132         PR 40614
16133         * c.opt (Wunused-result): New.
16134         * doc/invoke.texi: Document it.
16135         * c-common.c (c_warn_unused_result): Use it.
16136
16137 2009-07-09  DJ Delorie  <dj@redhat.com>
16138
16139         * targhooks.c (default_target_can_inline_p): Rename from
16140         default_target_option_can_inline_p.
16141         * targhooks.h (default_target_can_inline_p): Likewise.
16142         * target-def.h (TARGET_CAN_INLINE_P): Rename from
16143         TARGET_OPTION_CAN_INLINE_P.
16144         * config/i386/i386.c (TARGET_CAN_INLINE_P): Likewise.
16145         * config/mep/mep.c (TARGET_CAN_INLINE_P): Likewise.
16146         (mep_target_can_inline_p): Rename from
16147         mep_target_option_can_inline_p.
16148
16149         PR target/40626
16150         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Add coprocessor
16151         registers used to pass vectors.
16152
16153         * config/mep/mep.c (mep_option_can_inline_p): Remove error call.
16154
16155 2009-07-09  Tom Tromey  <tromey@redhat.com>
16156
16157         * unwind-dw2-fde-darwin.c: Include dwarf2.h.
16158         * config/mmix/mmix.c: Include dwarf2.h.
16159         * config/rs6000/darwin-fallback.c: Include dwarf2.h.
16160         * config/xtensa/unwind-dw2-xtensa.c: Include dwarf2.h.
16161         * config/sh/sh.c: Include dwarf2.h.
16162         * config/i386/i386.c: Include dwarf2.h.
16163         * Makefile.in (DWARF2_H): Remove 'elf'.
16164         * except.c: Include dwarf2.h.
16165         * unwind-dw2.c: Include dwarf2.h.
16166         * dwarf2out.c: Include dwarf2.h.
16167         * unwind-dw2-fde-glibc.c: Include dwarf2.h.
16168         * unwind-dw2-fde.c: Include dwarf2.h.
16169         * dwarf2asm.c: Include dwarf2.h.
16170
16171 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
16172
16173         * haifa-sched.c (insn_finishes_cycle_p): New static function.
16174         (max_issue): Use it.
16175         * sched-int.h (struct sched_info: insn_finishes_block_p): New
16176         scheduler hook.
16177         * sched-rgn.c (rgn_insn_finishes_block_p): Implement it.
16178         (region_sched_info): Update.
16179         * sched-ebb.c (ebb_sched_info): Update.
16180         * modulo-sched.c (sms_sched_info): Update.
16181         * sel-sched-ir.c (sched_sel_haifa_sched_info): Update.
16182
16183 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
16184
16185         * varasm.c (build_constant_desc): Don't share RTL in pool entries.
16186
16187 2009-07-09  Basile Starynkevitch  <basile@starynkevitch.net>
16188
16189         * plugin.c (try_init_one_plugin): passes RTLD_GLOBAL to dlopen.
16190
16191 2009-07-09  Jakub Jelinek  <jakub@redhat.com>
16192
16193         PR middle-end/40692
16194         * fold-const.c (fold_cond_expr_with_comparison): Don't replace
16195         arg1 with arg01 if arg1 is already INTEGER_CST.
16196
16197 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
16198
16199         * simplify-rtx.c (simplify_binary_operation_1) <AND>:
16200         Transform (and (truncate)) into (truncate (and)).
16201
16202 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
16203
16204         * combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before
16205         creating LHS paradoxical subregs.  Fix surrounding returns to
16206         use NULL_RTX rather than 0.
16207
16208 2009-07-08  DJ Delorie  <dj@redhat.com>
16209
16210         * config/mep/mep.c (mep_option_can_inline_p): New.
16211         (TARGET_OPTION_CAN_INLINE_P): Define.
16212
16213 2009-07-08  Mark Wielaard  <mjw@redhat.com>
16214
16215         PR debug/40659
16216         * dwarf2out.c (add_data_member_location_attribute): When we have
16217         only a constant offset don't emit a new location description using
16218         DW_OP_plus_uconst, but just add the constant with add_AT_int, when
16219         dwarf_version > 2.
16220
16221 2009-07-08  Richard Henderson  <rth@redhat.com>
16222
16223         PR target/38900
16224         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
16225         (enum reg_class): Add CLOBBERED_REGS.
16226         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
16227         * config/i386/i386.c (ix86_conditional_register_usage): Moved
16228         from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit.
16229         (ix86_function_ok_for_sibcall): Tidy.  Disallow MS->SYSV sibcalls.
16230         (ix86_expand_call): Use sibcall_insn_operand when needed.  Don't
16231         force 64-bit sibcalls into R11.
16232         * config/i386/constraints.md (U): New constraint.
16233         * config/i386/i386.md (sibcall_1, sibcall_value_1): Use it.
16234         (sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
16235         (sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.
16236
16237 2009-07-08  Shujing Zhao  <pearly.zhao@oracle.com>
16238
16239         * basic-block.h (dump_regset, debug_regset): Remove duplicate
16240         prototypes.
16241         * c-objc-common.h (c_initialize_diagnostics): Ditto.
16242         * ebitmap.h (dump_ebitmap): Ditto.
16243         * optabs.h (optab_libfunc): Ditto.
16244         * tree.h (tree_expr_nonzero_warnv_p): Ditto.
16245         * tree-flow.h (vect_can_force_dr_alignment_p,
16246         get_vectype_for_scalar_type): Ditto.
16247         (vectorize_loops): Move prototype to ...
16248         * tree-vectorizer.h: ... here. Also, adjust comment.
16249         (vect_set_verbosity_level): Remove duplicate prototype.
16250         * tree-ssa-loop.c: Include tree-vectorizer.h.
16251         * Makefile.in (tree-ssa-loop.o): Depend on tree-vectorizer.h.
16252
16253 2009-07-08  Nick Clifton  <nickc@redhat.com>
16254
16255         * config/i386/unix.h (ASM_COMMENT_START): Add a space after the
16256         forward slash.
16257
16258 2009-07-08  DJ Delorie  <dj@redhat.com>
16259
16260         * config/mep/mep-ivc2.cpu (cpmovtocsar0_C3, cpmovtocsar1_C3,
16261         cpmovtocc_C3, cpmovtocsar0_P0S_P1, cpmovtocsar1_P0S_P1,
16262         cpmovtocc_P0S_P1): Mark volatile.  Note which registers are
16263         written to.
16264         * config/mep/intrinsics.md: Regenerated.
16265         * config/mep/mep.c (mep_interrupt_saved_reg): Save IVC2 control
16266         registers when asm() or calls are detected.
16267
16268 2009-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16269
16270         PR c++/31246
16271         * gimplify.c (gimplify_expr): Propagate no_warning flag when
16272         gimplifying.
16273         * gimple (gimple_build_call_from_tree): Likewise.
16274         * tree-cfg.c (remove_useless_stmts_warn_notreached): Check
16275         no_warning flag before warning.
16276
16277 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16278
16279         * tree.c (set_expr_locus): Remove.
16280         * tree.h (EXPR_LOCUS,SET_EXPR_LOCUS,set_expr_locus): Remove.
16281         * c-typeck.c (c_finish_stmt_expr):  Replace EXPR_LOCUS by
16282         EXPR_LOCATION.
16283         * gimplify.c (internal_get_tmp_var): Likewise.
16284         (gimplify_call_expr): Likewise.
16285         (gimplify_one_sizepos): Likewise.
16286
16287 2009-07-07  Eric Botcazou  <ebotcazou@adacore.com>
16288
16289         PR debug/40666
16290         * dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
16291         to variables for debugging purposes.
16292
16293 2009-06-23  Mark Loeser  <mark@halcy0n.com>
16294
16295         PR build/40010
16296         * Makefile.in (gcc.pod): Depend on gcc-vers.texi.
16297
16298 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16299
16300         * pretty-print.c (pp_base_format): Remove %J.
16301         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
16302         gcc_cxxdiag_char_table): Likewise.
16303         (init_dynamic_diag_info): Likewise.
16304
16305 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16306
16307         * pretty-print.c (pp_base_format): Remove %H.
16308         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
16309         gcc_cxxdiag_char_table): Likewise.
16310         (init_dynamic_diag_info): Likewise.
16311         * config/mep/mep.c (mep_select_section): Likewise.
16312
16313 2009-07-07  Duncan Sands  <baldrick@free.fr>
16314
16315         * final.c (pass_clean_state): Give the pass a name.
16316         * passes.c (pass_rest_of_compilation): Likewise.
16317         * tree-optimize.c (pass_all_optimizations): Likewise.
16318
16319 2009-07-07  H.J. Lu  <hongjiu.lu@intel.com>
16320
16321         * config/ia64/ia64.c (ia64_handle_model_attribute): Remove
16322         an extra 'decl' for error_at.
16323
16324 2009-07-07  Jakub Jelinek  <jakub@redhat.com>
16325
16326         PR middle-end/40669
16327         * tree-tailcall.c (adjust_return_value_with_ops,
16328         create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
16329         if it has complex or vector type.
16330
16331 2009-07-07  Olivier Hainque  <hainque@adacore.com>
16332
16333         * config/alpha/t-osf4 (SHLIB_LINK): Do not hide the dummy weak
16334         pthread symbols.
16335
16336 2009-07-07  Basile Starynkevitch  <basile@starynkevitch.net>
16337
16338         * Makefile.in: added more lists of includes to PLUGIN_HEADERS.
16339
16340 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16341
16342         * cgraphunit.c: Replace %J by an explicit location.  Update all calls.
16343         * c-decl.c: Likewise.
16344         * function.c: Likewise.
16345         * varasm.c: Likewise.
16346         * tree-ssa.c: Likewise.
16347         * c-common.c: Likewise.
16348         * tree-cfg.c: Likewise.
16349         * config/spu/spu.c: Likewise.
16350         * config/ia64/ia64.c: Likewise.
16351         * config/v850/v850.c: Likewise.
16352
16353 2009-07-06  DJ Delorie  <dj@redhat.com>
16354
16355         * config/mep/mep-core.cpu (fsft, ssarb): Mark as VOLATILE.
16356         * config/mep/mep-ivc2.cpu (many): Add VOLATILE to more insns that make
16357         unspecified accesses to control registers.
16358         * config/mep/intrinsics.md: Regenerate.
16359         * config/mep/intrinsics.h: Regenerate.
16360         * config/mep/mep-intrin.h: Regenerate.
16361
16362 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16363
16364         * c-lex.c: Replace %H by an explicit location. Update all calls.
16365         * c-common.c: Likewise.
16366         * c-decl.c: Likewise.
16367         * c-typeck.c: Likewise.
16368         * fold-const.c: Likewise.
16369         * gimplify.c: Likewise.
16370         * stmt.c: Likewise.
16371         * tree-cfg.c: Likewise.
16372         * tree-ssa-loop-niter.c: Likewise.
16373         * tree-vrp.c: Likewise.
16374         * value-prof.c: Likewise.
16375
16376 2009-07-06  Diego Novillo  <dnovillo@google.com>
16377
16378         * tree-dfa.c (dump_variable): Write DECL_INITIAL for VAR
16379         if it has one.  Handle cases where VAR does not have an
16380         annotation or cfun is NULL.
16381
16382 2009-07-06  Diego Novillo  <dnovillo@google.com>
16383
16384         * tree.c: Include debug.h.
16385         (initialize_tree_contains_struct): New.
16386         (init_ttree): Call it.
16387         (tree_node_structure_for_code): Factor out of ...
16388         (tree_node_structure): ... here.
16389         * treestruct.def (TS_PHI_NODE): Remove.
16390         (TS_GIMPLE_STATEMENT): Remove.
16391
16392 2009-07-06  Diego Novillo  <dnovillo@google.com>
16393
16394         * tree-pretty-print.c (dump_generic_node): Protect against NULL op0.
16395         (debug_tree_chain): Handle cycles.
16396
16397 2009-07-06  Nick Clifton  <nickc@redhat.com>
16398             DJ Delorie  <dj@redhat.com>
16399
16400         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
16401         __FMOVD_ENABLED__ is defined.
16402         * config/sh/sh.h
16403         (TARGET_FMOVD): Provide a default definition.
16404         (MASK_FMOVD): Likewise.
16405         (TARGET_CPU_CPP_BUILTINS): Define
16406         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
16407         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
16408         two fmov instructions depending upon whether TARGET_FMOVD is enabled.
16409         (split for DF load from memory into register): Also handle
16410         MEMs which consist of REG+DISP addressing.
16411         (split for DF store from register to memory): Likewise.
16412         (movsf_ie): Always use single fp_mode.
16413         * config/sh/sh.c (sh_override_options): Do not automatically
16414         enable TARGET_MOVD for the SH2A when supporting doubles - leave
16415         that to the -mfmovd command line switch.
16416         (broken_move): Do not restrict fldi test to only the SH4 and SH4A.
16417         (fldi_ok): Always allow.
16418         * config/sh/sh.opt (mfmovd): Remove this switch.
16419         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
16420
16421 2009-07-06  J"orn Rennecke  <joern.rennecke@arc.com>
16422             Kaz Kojima  <kkojima@gcc.gnu.org>
16423
16424         PR rtl-optimization/30807
16425         * postreload.c (reload_combine): For every new use of REG_SUM,
16426         record the use of BASE.
16427
16428 2009-07-06  Jan Hubicka  <jh@suse.cz>
16429
16430         * params.def: Revert my accidental commit at 2009-06-30.
16431
16432 2009-07-04  Ian Lance Taylor  <iant@google.com>
16433
16434         PR target/40636
16435         * config/i386/msformat-c.c (mingw_format_attributes): Declare as
16436         EXPORTED_CONST.
16437         (mingw_format_attribute_overrides): Likewise.
16438
16439 2009-07-04  Jakub Jelinek  <jakub@redhat.com>
16440
16441         PR debug/40596
16442         * dwarf2out.c (based_loc_descr): For crtl->stack_realign_tried
16443         don't check cfa.reg.  Instead of cfa.indirect use
16444         fde && fde->drap_reg != INVALID_REGNUM test.
16445
16446 2009-07-04  Eric Botcazou  <ebotcazou@adacore.com>
16447
16448         * postreload.c (reload_combine): Replace CONST_REG with INDEX_REG.
16449
16450 2009-07-03  Vladimir Makarov  <vmakarov@redhat.com>
16451
16452         PR target/40587
16453         * ira.c (build_insn_chain): Use DF_LR_OUT instead of df_get_live_out.
16454
16455 2009-07-03  Richard Guenther  <rguenther@suse.de>
16456
16457         PR tree-optimization/40640
16458         * tree-switch-conversion.c (build_arrays): Perform arithmetic
16459         in original type.
16460
16461 2009-07-03  Jan Hubicka  <jh@suse.cz>
16462
16463         * ipa-inline.c (cgraph_decide_inlining_incrementally): When optimizing
16464         for size, reduce amount of inlining.
16465
16466 2009-07-03  Richard Guenther  <rguenther@suse.de>
16467
16468         PR middle-end/34163
16469         * tree-chrec.c (chrec_convert_1): Fold (T2)(t +- x) to (T2)t +- (T2)x
16470         if t +- x is known to not overflow and the conversion widens the
16471         operation.
16472         * Makefile.in (tree-chrec.o): Add $(FLAGS_H) dependency.
16473
16474 2009-07-03  Jan Hubicka  <jh@suse.cz>
16475
16476         * ipa-pure-const.c (analyze): Update loop optimizer init.
16477         * tree-ssa-loop-iv-canon.c (empty_loop_p, remove_empty_loop,
16478         try_remove_empty_loop, remove_empty_loops): Remove.
16479         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): Remove.
16480         * tree-ssa-dce.c (find_obviously_necessary_stmts): Use finiteness info
16481         to mark regular loops as neccesary.
16482         (degenerate_phi_p): New function.
16483         (propagate_necessity, remove_dead_phis): Use it.
16484         (forward_edge_to_pdom): Likewise.
16485         (eliminate_unnecessary_stmts): Take care to remove uses of results of
16486         virtual PHI nodes that became unreachable.
16487         (perform_tree_ssa_dce): Initialize/deinitialize loop optimizer.
16488         * tree-flow.h (remove_empty_loops): Remove.
16489         * passes.c (init_optimization_passes): Remove.
16490
16491 2009-07-03  Uros Bizjak  <ubizjak@gmail.com>
16492
16493         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1): Use
16494         can_create_pseudo_p.
16495         (*fix_trunc<mode>_i387_1): Ditto.
16496         (*floathi<mode>2_1): Ditto.
16497         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): Ditto.
16498         (*fistdi2_1): Ditto.
16499         (*fist<mode>2_1): Ditto.
16500         (frndintxf2_floor): Ditto.
16501         (*fist<mode>2_floor_1): Ditto.
16502         (frndintxf2_ceil): Ditto.
16503         (*fist<mode>2_ceil_1): Ditto.
16504         (frndintxf2_trunc): Ditto.
16505         (frndintxf2_mask_pm): Ditto.
16506         (fxam<mode>2_i387_with_temp): Ditto.
16507         * config/i386/sse.md (mulv16qi3): Ditto.
16508         (*sse2_mulv4si3): Ditto.
16509         (mulv2di3): Ditto.
16510         (sse4_2_pcmpestr): Ditto.
16511         (sse4_2_pcmpistr): Ditto.
16512
16513 2009-07-03  Jan Hubicka  <jh@suse.cz>
16514
16515         * tree-ssa-dce.c (bb_contains_live_stmts): New bitmap.
16516         (mark_stmt_necessary): Set it.
16517         (mark_operand_necessary): Set it.
16518         (mark_control_dependent_edges_necessary): Set it.
16519         (mark_virtual_phi_result_for_renaming): New function.
16520         (get_live_post_dom): New function.
16521         (forward_edge_to_pdom): New function.
16522         (remove_dead_stmt): Fix handling of control dependences.
16523         (tree_dce_init): Init new bitmap.
16524         (tree_dce_done): Free it.
16525
16526 2009-07-02  Richard Guenther  <rguenther@suse.de>
16527
16528         PR bootstrap/40617
16529         * tree-ssa-structalias.c (new_var_info): Initialize
16530         is_restrict_var.
16531
16532 2009-07-02  Jan Hubicka  <jh@suse.cz>
16533
16534         * ipa-pure-const.c (check_op): Use PTA info to see if indirect_ref is
16535         local.
16536
16537 2009-07-02  Paolo Bonzini  <bonzini@gnu.org>
16538
16539         * expmed.c (emit_cstore, emit_store_flag_1): Accept target_mode
16540         instead of recomputing it.  Adjust calls.
16541         (emit_store_flag): Adjust recursive calls.
16542
16543 2009-07-02  Richard Guenther  <rguenther@suse.de>
16544
16545         * tree-ssa-live.c (remove_unused_locals): Do not remove
16546         heap variables.
16547         * tree-ssa-structalias.c (handle_lhs_call): Delay setting
16548         of DECL_EXTERNAL for HEAP variables.
16549         (compute_points_to_sets): Set DECL_EXTERNAL for escaped
16550         HEAP variables.  Do not adjust RESTRICT vars.
16551         (find_what_var_points_to): Nobody cares if something
16552         points to READONLY.
16553
16554 2009-07-02  Ben Elliston  <bje@au.ibm.com>
16555
16556         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Move
16557         pc_low and pc_high declarations to the top of the function.
16558
16559 2009-07-01  DJ Delorie  <dj@redhat.com>
16560
16561         * config/mep/mep.c (mep_handle_option): Leave IVC2 control
16562         registers as fixed.
16563         (mep_interrupt_saved_reg): Save appropriate IVC2 control registers.
16564         * config/mep/mep-ivc2.cpu: Add VOLATILE to insns that make
16565         unspecified accesses to control registers.
16566         * config/mep/intrinsics.md: Regenerate.
16567         * config/mep/intrinsics.h: Regenerate.
16568         * config/mep/mep-intrin.h: Regenerate.
16569
16570 2009-07-01  Anthony Green  <green@moxielogic.com>
16571
16572         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
16573         instruction when possible.
16574         (moxie_expand_prologue): Ditto.  Also, save an instruction and
16575         some complexity by popping off of $r12 instead of $sp.
16576         * config/moxie/moxie.md (movsi_pop): Don't assume $sp.  Take two
16577         operands.
16578
16579 2009-07-01  Richard Henderson  <rth@redhat.com>
16580
16581         PR bootstrap/40347
16582         * function.c (reposition_prologue_and_epilogue_notes): If epilogue
16583         contained no insns, reposition note before last insn.
16584
16585 2009-07-01  Richard Henderson  <rth@redhat.com>
16586
16587         PR debug/40431
16588         * dwarf2out.c (def_cfa_1): Revert 2009-06-11 change for
16589         DW_CFA_def_cfa_offset and DW_CFA_def_cfa.
16590
16591 2009-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
16592
16593         PR bootstrap/40558
16594         * config/rs6000/rs6000.c (print_operand): Undo change that breaks
16595         darwin9 for printing reg addresses with %y.
16596
16597 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
16598
16599         * combine.c (force_to_mode): Handle TRUNCATE.  Factor out
16600         truncation from operands in binary operations.
16601
16602 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
16603
16604         Revert:
16605         2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
16606         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
16607         subreg of op0 to the original op0.
16608
16609         * expmed.c (store_bit_field_1): Use a temporary as the destination
16610         instead of a paradoxical subreg when we need to truncate the result.
16611
16612 2009-07-01  DJ Delorie  <dj@redhat.com>
16613
16614         * config/mep/mep-ivc2.cpu (cmov, cmovc, cmovh): Add intrinsic
16615         names to VLIW variants.
16616         (ivc2rm, ivc2crn): Make data type consistent with non-VLIW variants.
16617         * config/mep/intrinsics.md: Regenerate.
16618         * config/mep/intrinsics.h: Regenerate.
16619         * config/mep/mep-intrin.h: Regenerate.
16620
16621 2009-07-01  Jakub Jelinek  <jakub@redhat.com>
16622
16623         PR debug/40462
16624         * jump.c (returnjump_p): Revert last patch.
16625         * dwarf2out.c (dwarf2out_begin_epilogue): Handle SEQUENCEs.
16626
16627 2009-07-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16628
16629         PR target/40575
16630         * pa.md (casesi32p): Use jump table label to determine the offset
16631         of the jump table.
16632         (casesi64p): Likewise.
16633
16634         * pa.c (forward_branch_p): Return bool type.  Use instruction
16635         addresses when available.  Assert that INSN has a jump label.
16636         (pa_adjust_insn_length): Don't call forward_branch_p if INSN doesn't
16637         have a jump label.
16638
16639 2009-07-01  Richard Guenther  <rguenther@suse.de>
16640
16641         PR tree-optimization/19831
16642         * tree-ssa-dce.c (propagate_necessity): Calls to functions
16643         that only act as barriers do not make any previous stores necessary.
16644         * tree-ssa-structalias.c (handle_lhs_call): Delay making
16645         HEAP variables global, do not add a constraint from nonlocal.
16646         (find_func_aliases): Handle escapes through return statements.
16647         (compute_points_to_sets): Make escaped HEAP variables global.
16648
16649 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
16650
16651         PR bootstrap/40597
16652         * expmed.c (emit_store_flag): Perform a conversion if necessary,
16653         after reducing a DImode cstore to SImode.
16654
16655 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
16656
16657         * expr.c (expand_expr_real_1): Reinstate fallthrough to
16658         TRUTH_ANDIF_EXPR if do_store_flag returns NULL.
16659
16660 2009-07-01  Maciej W. Rozycki  <macro@linux-mips.org>
16661
16662         * config/vax/vax.h (TARGET_BSD_DIVMOD): New macro.  Set to 1.
16663         * config/vax/linux.h (TARGET_BSD_DIVMOD): New macro.  Redefine the
16664         to 0.
16665         * config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab
16666         and umod_optab if TARGET_BSD_DIVMOD.
16667         * config/vax/lib1funcs.asm: New file.
16668         * config/vax/t-linux: New file.
16669         * config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux.
16670
16671 2009-06-30  Jakub Jelinek  <jakub@redhat.com>
16672
16673         PR c++/40566
16674         * convert.c (convert_to_integer) <case COND_EXPR>: Don't convert
16675         to type arguments that have void type.
16676
16677         PR debug/40573
16678         * dwarf2out.c (gen_formal_parameter_die): Call
16679         equate_decl_number_to_die if node is different from origin.
16680
16681 2009-06-30  Anthony Green  <green@moxielogic.com>
16682
16683         Clean up moxie port for --enable-build-with-cxx.
16684         * config/moxie/moxie.c (moxie_function_value): First two
16685         parameters are const_tree, not tree.
16686         * config/moxie/moxie.h (enum reg_class): Rename CC_REG to CC_REGS.
16687         (REG_CLASS_NAMES): Ditto.
16688         (REGNO_REG_CLASS): Ditto.
16689         * config/moxie/moxie-protos.h (moxie_override_options): Declare.
16690         (moxie_function_value): Fix constyness of arguments.
16691
16692 2009-06-30  Eric Botcazou  <ebotcazou@adacore.com>
16693
16694         * cgraphunit.c (cgraph_finalize_compilation_unit): Call
16695         finalize_size_functions before further processing.
16696         * stor-layout.c: Include cgraph.h, tree-inline.h and tree-dump.h.
16697         (variable_size): Call self_referential_size on size expressions
16698         that contain a PLACEHOLDER_EXPR.
16699         (size_functions): New static variable.
16700         (copy_self_referential_tree_r): New static function.
16701         (self_referential_size): Likewise.
16702         (finalize_size_functions): New global function.
16703         * tree.c: Include tree-inline.h.
16704         (push_without_duplicates): New static function.
16705         (find_placeholder_in_expr): New global function.
16706         (substitute_in_expr) <tcc_declaration>: Return the replacement object
16707         on equality.
16708         <tcc_expression>: Likewise.
16709         <tcc_vl_exp>: If the replacement object is a constant, try to inline
16710         the call in the expression.
16711         * tree.h (finalize_size_functions): Declare.
16712         (find_placeholder_in_expr): Likewise.
16713         (FIND_PLACEHOLDER_IN_EXPR): New macro.
16714         (substitute_placeholder_in_expr): Update comment.
16715         * tree-inline.c (remap_decl): Do not unshare trees if do_not_unshare
16716         is true.
16717         (copy_tree_body_r): Likewise.
16718         (copy_tree_body): New static function.
16719         (maybe_inline_call_in_expr): New global function.
16720         * tree-inline.h (struct copy_body_data): Add do_not_unshare field.
16721         (maybe_inline_call_in_expr): Declare.
16722         * Makefile.in (tree.o): Depend on TREE_INLINE_H.
16723         (stor-layout.o): Depend on CGRAPH_H, TREE_INLINE_H, TREE_DUMP_H and
16724         GIMPLE_H.
16725
16726 2009-06-30  Richard Guenther  <rguenther@suse.de>
16727
16728         * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Always
16729         continue walking.
16730         (propagate_necessity): Do not mark reaching defs of stores
16731         as necessary.
16732
16733 2009-06-30  Jan Hubicka  <jh@suse.cz>
16734
16735         * cfgloopanal.c (check_irred): Move into ...
16736         (mark_irreducible_loops): ... here; return true if ireducible
16737         loops was found.
16738         * ipa-pure-const.c: Include cfgloop.h and tree-scalar-evolution.h
16739         (analyze_function): Try to prove loop finiteness.
16740         * cfgloop.h (mark_irreducible_loops): Update prototype.
16741         * Makefile.in (ipa-pure-const.o): Add dependency on SCEV and CFGLOOP.
16742
16743 2009-06-30  Basile Starynkevitch  <basile@starynkevitch.net>
16744
16745         * Makefile.in (PLUGIN_HEADERS): added ggc, tree-dump, pretty-print.
16746
16747 2009-06-30  Ira Rosen  <irar@il.ibm.com>
16748
16749         PR tree-optimization/40542
16750         * tree-vect-stmts.c (vect_analyze_stmt): Don't vectorize volatile
16751         types.
16752
16753 2009-06-30  Martin Jambor  <mjambor@suse.cz>
16754
16755         PR tree-optimization/40582
16756         * tree-sra.c (build_ref_for_offset_1): Use types_compatible_p rather
16757         than useless_type_conversion_p.
16758         (generate_subtree_copies): Increment sra_stats.subtree_copies at a
16759         proper place.
16760
16761 2009-06-30  Martin Jambor  <mjambor@suse.cz>
16762
16763         PR middle-end/40554
16764         * tree-sra.c (sra_modify_expr): Add access->offset to start_offset.
16765
16766 2009-06-30  Richard Guenther  <rguenther@suse.de>
16767
16768         * tree-ssa-alias.c (walk_aliased_vdefs_1): Change interface to
16769         use ao_ref references.
16770         (walk_aliased_vdefs): Likewise.
16771         * tree-ssa-alias.h (walk_aliased_vdefs): Adjust prototype.
16772         * tree-ssa-dce.c (struct ref_data): Remove.
16773         (mark_aliased_reaching_defs_necessary_1): Use the ao_ref argument.
16774         (mark_aliased_reaching_defs_necessary): Adjust.
16775         (mark_all_reaching_defs_necessary_1): Likewise.
16776
16777 2009-06-30  Paolo Bonzini  <bonzini@gnu.org>
16778
16779         PR boostrap/40597
16780         * expmed.c (emit_cstore): New name of emit_store_flag_1.
16781         (emit_store_flag_1): Extract from emit_store_flag, adjust
16782         calls to (what now is) emit_cstore.
16783         (emit_store_flag): Call emit_store_flag_1 and also use it
16784         for what used to be recursive calls.
16785
16786 2009-06-30  Wei Guozhi  <carrot@google.com>
16787
16788         PR/40416
16789         * tree-ssa-sink.c (statement_sink_location): Stop sinking expression
16790         if the target bb post dominates from bb.
16791         * config/i386/i386.c (memory_address_length): Check existence of base
16792         register before using it.
16793
16794 2009-06-30  Nick Clifton  <nickc@redhat.com>
16795             DJ Delorie  <dj@redhat.com>
16796
16797         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
16798         __FMOVD_ENABLED__ is defined.
16799         * config/sh/sh.h
16800         (TARGET_FMOVD): Provide a default definition.
16801         (MASK_FMOVD): Likewise.
16802         (TARGET_CPU_CPP_BUILTINS): Define
16803         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
16804         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
16805         two fmov instructions depending upon whether TARGET_FMOVD is
16806         enabled.
16807         (split for DF load from memory into register): Also handle
16808         MEMs which consist of REG+DISP addressing.
16809         (split for DF store from register to memory): Likewise.
16810         * config/sh/sh.opt (mfmovd): Remove this switch.
16811         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
16812         * config/sh/sh.c (sh_override_options): Do not automatically
16813         enable TARGET_MOVD for the SH2A when supporting doubles - leave
16814         that to the -mfmovd command line switch.
16815
16816         * config/sh/sh.c (broken_move): Do not restrict fldi test to only
16817         the SH4 and SH4A.
16818         (fldi_ok): Always allow.
16819         * config/sh/sh.md (movsf_ie): Always use single fp_mode.
16820
16821 2009-06-29  DJ Delorie  <dj@redhat.com>
16822
16823         * doc/install.texi (mep-x-elf): Correct chip's full name.
16824
16825 2009-06-29  H.J. Lu  <hongjiu.lu@intel.com>
16826
16827         * doc/extend.texi: Fix typo.
16828
16829 2009-06-29  Tom Tromey  <tromey@redhat.com>
16830
16831         * dwarf2.h: Remove.
16832         * Makefile.in (DWARF2_H): New variable.
16833         (except.o): Use it.
16834         (dwarf2out.o): Likewise.
16835         (dwarf2asm.o): Likewise.
16836         * config/i386/t-i386: Use DWARF2_H.
16837         * except.c: Include elf/dwarf2.h.
16838         * unwind-dw2.c: Include elf/dwarf2.h.
16839         * dwarf2out.c: Include elf/dwarf2.h.
16840         (dw_loc_descr_struct) <dw_loc_opc>: Now a bitfield.
16841         <dtprel>: New field.
16842         (dwarf_stack_op_name): Don't handle INTERNAL_DW_OP_tls_addr.
16843         (size_of_loc_descr): Likewise.
16844         (output_loc_operands_raw): Likewise.
16845         (output_loc_operands): Handle new dtprel field.
16846         (loc_checksum): Update.
16847         (loc_descriptor_from_tree_1) <VAR_DDECL>: Set dtprel field.
16848         * unwind-dw2-fde-glibc.c: Include elf/dwarf2.h.
16849         * unwind-dw2-fde.c: Include elf/dwarf2.h.
16850         * dwarf2asm.c: Include elf/dwarf2.h.
16851         * unwind-dw2-fde-darwin.c: Include elf/dwarf2.h.
16852         * config/mmix/mmix.c: Include elf/dwarf2.h.
16853         * config/rs6000/darwin-fallback.c: Include elf/dwarf2.h.
16854         * config/xtensa/unwind-dw2-xtensa.c: Include elf/dwarf2.h.
16855         * config/sh/sh.c: Include elf/dwarf2.h.
16856         * config/i386/i386.c: Include elf/dwarf2.h.
16857
16858 2009-06-29  DJ Delorie  <dj@redhat.com>
16859
16860         * config/mep/mep.h (CPP_SPEC): Remove __cop macro.
16861
16862         * doc/extend.texi: Add MeP attributes and pragmas.
16863         * doc/invoke.text: Add MeP Options.
16864         * doc/contrib.texi: Add MeP contribution.
16865         * doc/md.texi: Add MeP constraints.
16866         * doc/install.texi: Add MeP target.
16867
16868 2009-06-30  Anatoly Sokolov  <aesok@post.ru>
16869
16870         * target.h (struct gcc_target): Add frame_pointer_required field.
16871         * target-def.h (TARGET_FRAME_POINTER_REQUIRED): New.
16872         (TARGET_INITIALIZER): Use TARGET_FRAME_POINTER_REQUIRED.
16873         * ira.c (setup_eliminable_regset): Use frame_pointer_required target
16874         hook.
16875         * reload1.c (update_eliminables): (Ditto.).
16876         * gcc/system.h (FRAME_POINTER_REQUIRED): Poison.
16877         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
16878         (INITIAL_FRAME_POINTER_OFFSET): (Ditto.).
16879
16880         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Remove macro.
16881
16882         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Remove macro.
16883         * config/arm/arm.c (TARGET_FRAME_POINTER_REQUIRED): Define.
16884         (arm_frame_pointer_required): New function.
16885
16886         * config/avr/avr.h (FRAME_POINTER_REQUIRED): Remove macro.
16887         * config/avr/avr.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
16888         (avr_frame_pointer_required_p): Declare as static.
16889         * config/avr/avr-protos.h (avr_frame_pointer_required_p): Remove.
16890
16891         * config/bfin/bfin.h (FRAME_POINTER_REQUIRED): Remove macro.
16892         * config/bfin/bfin.c (TARGET_FRAME_POINTER_REQUIRED): Define.
16893         (bfin_frame_pointer_required): Make as static, change return type
16894         to bool.
16895         * config/bfin/bfin-protos.h (bfin_frame_pointer_required): Remove.
16896
16897         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Remove macro.
16898         * config/cris/cris.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
16899         (cris_frame_pointer_required): New function.
16900
16901         * config/crx/crx.h (FRAME_POINTER_REQUIRED): Remove macro.
16902
16903         * config/fr30/fr30.h (FRAME_POINTER_REQUIRED): Remove macro.
16904         * config/fr30/fr30.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
16905         (fr30_frame_pointer_required): New function.
16906
16907         * config/frv/frv.h (FRAME_POINTER_REQUIRED): Remove macro.
16908         * config/frv/frv.c (TARGET_FRAME_POINTER_REQUIRED): Define.
16909         (frv_frame_pointer_required): Make as static, change return type
16910         to bool.
16911         * config/bfin/bfin-protos.h (frv_frame_pointer_required): Remove.
16912
16913         * config/i386/i386.h (FRAME_POINTER_REQUIRED): Remove macro.
16914         * config/i386/i386.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
16915         (ix86_frame_pointer_required): Make as static, change return type to
16916         bool.
16917         * config/i386/i386-protos.h (ix86_frame_pointer_required): Remove.
16918
16919         * config/m32c/m32c.h (FRAME_POINTER_REQUIRED): Remove macro.
16920         * config/m32c/m32c.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
16921
16922         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Remove macro.
16923
16924         * config/mcore/mcore.h (CAN_ELIMINATE): Remove macro.
16925
16926         * config/mep/mep.h (FRAME_POINTER_REQUIRED): Remove macro.
16927
16928         * config/mips/mips.h (FRAME_POINTER_REQUIRED): Remove macro.
16929         * config/mips/mips.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
16930         (mips_frame_pointer_required): Make as static.
16931         * config/mips/mips-protos.h (mips_frame_pointer_required): Remove.
16932
16933         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Remove macro.
16934         * config/mmix/mmix.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
16935         (mmix_frame_pointer_required): Mew function.
16936
16937         * config/moxie/moxie.h (FRAME_POINTER_REQUIRED): Remove macro.
16938         * config/moxie/moxie.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
16939
16940         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Remove macro.
16941
16942         * config/score/score.h (FRAME_POINTER_REQUIRED): Remove macro.
16943
16944         * config/sh/sh.h (CAN_ELIMINATE): Remove macro.
16945
16946         * config/sparc/sparc.h (FRAME_POINTER_REQUIRED): Remove macro.
16947         (CAN_ELIMINATE): Redefine.
16948         * config/sparc/sparc.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
16949         (sparc_frame_pointer_required): New function.
16950         (sparc_can_eliminate): New function.
16951         * config/sparc/sparc-protos.h (sparc_can_eliminate): Declare.
16952
16953         * config/vax/vax.h (FRAME_POINTER_REQUIRED): Remove macro.
16954         * config/vax/vax.c (TARGET_FRAME_POINTER_REQUIRED): Define.
16955
16956         * config/xtensa/xtensa.h (FRAME_POINTER_REQUIRED): Remove macro.
16957         * config/xtensa/xtensa.c (TARGET_FRAME_POINTER_REQUIRED): Define.
16958         (xtensa_frame_pointer_required): Make as static, change return type
16959         to bool.
16960         * config/xtensa/xtensa-protos.h (xtensa_frame_pointer_required):
16961         Remove.
16962
16963 2009-06-29  Olatunji Ruwase  <tjruwase@google.com>
16964
16965         * doc/plugins.texi: Document PLUGIN_START_UNIT.
16966         * toplev.c (compile_file): Call PLUGIN_START_UNIT.
16967         * gcc-plugin.h (PLUGIN_START_UNIT): Added new event.
16968         * plugin.c (plugin_event_name): Added PLUGIN_START_UNIT.
16969         (register_callback): Handle PLUGIN_START_UNIT.
16970         (invoke_plugin_callbacks): Handle PLUGIN_START_UNIT.
16971
16972 2009-06-29  Eric Botcazou  <ebotcazou@adacore.com>
16973
16974         * tree.c (process_call_operands): Propagate TREE_READONLY from the
16975         operands.
16976         (PROCESS_ARG): Do not clear TREE_READONLY if CONSTANT_CLASS_P.
16977         (build3_stat): Propagate TREE_READONLY for COND_EXPR.
16978
16979 2009-06-29  Daniel Jacobowitz  <dan@codesourcery.com>
16980
16981         * config/arm/arm.h (REGISTER_MOVE_COST): Increase VFP register
16982         move cost.
16983
16984 2009-06-29  Uros Bizjak  <ubizjak@gmail.com>
16985
16986         * doc/extend.texi (Additional Floating Types): __float128 is also
16987         supported on i386 targets.
16988
16989 2009-06-29  Richard Guenther  <rguenther@suse.de>
16990
16991         PR middle-end/14187
16992         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
16993         flag.
16994         (pt_solutions_same_restrict_base): Declare.
16995         * tree-ssa-structalias.c (struct variable_info): Add is_restrict_var
16996         flag.
16997         (new_var_info): Initialize is_global_var properly for SSA_NAMEs.
16998         (make_constraint_from, make_copy_constraint): Move earlier.
16999         (make_constraint_from_heapvar): New function.
17000         (make_constraint_from_restrict): Likewise.
17001         (handle_lhs_call): Use it.
17002         (find_func_aliases): Use it to track conversions to restrict
17003         qualified pointers.
17004         (struct fieldoff): Add only_restrict_pointers flag.
17005         (push_fields_onto_fieldstack): Initialize it.
17006         (create_variable_info_for): Track global restrict qualified pointers.
17007         (intra_create_variable_infos): Use make_constraint_from_heapvar.
17008         Track restrict qualified pointer arguments.
17009         (set_uids_in_ptset): Use varinfo is_global_var flag.
17010         (find_what_var_points_to): Set the vars_contains_restrict flag.
17011         Always create the points-to solution for sets including restrict tags.
17012         (pt_solutions_same_restrict_base): New function.
17013         * tree-ssa-alias.c (ptr_derefs_may_alias_p): For two restrict
17014         qualified pointers use pt_solutions_same_restrict_base as
17015         additional source for disambiguation.
17016
17017 2009-06-29  Richard Guenther  <rguenther@suse.de>
17018
17019         PR middle-end/38212
17020         * alias.c (find_base_decl): Remove.
17021         (get_deref_alias_set_1): Remove restrict handling.
17022         * c-common.c (c_apply_type_quals_to_decl): Do not set
17023         DECL_POINTER_ALIAS_SET.
17024         * gimplify.c (find_single_pointer_decl_1): Remove.
17025         (find_single_pointer_decl): Likewise.
17026         (internal_get_tmp_var): Remove restrict handling.
17027         (gimple_regimplify_operands): Likewise.
17028         * omp-low.c (expand_omp_atomic_pipeline): Do not set
17029         DECL_POINTER_ALIAS_SET. Use ref-all pointers.
17030         * print-tree.c (print_node): Do not print DECL_POINTER_ALIAS_SET.
17031         * tree.c (restrict_base_for_decl): Remove.
17032         (init_ttree): Do not allocate it.
17033         (make_node_stat): Do not set DECL_POINTER_ALIAS_SET.  Set
17034         LABEL_DECL_UID for label decls.
17035         (copy_node_stat): Do not copy restrict information.
17036         (decl_restrict_base_lookup): Remove.
17037         (decl_restrict_base_insert): Likewise.
17038         (print_restrict_base_statistics): Likewise.
17039         (dump_tree_statistics): Do not call print_restrict_base_statistics.
17040         * tree.h (DECL_POINTER_ALIAS_SET): Remove.
17041         (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
17042         (struct tree_decl_common): Rename pointer_alias_set to label_decl_uid.
17043         (LABEL_DECL_UID): Adjust.
17044         (DECL_BASED_ON_RESTRICT_P): Remove.
17045         (DECL_GET_RESTRICT_BASE): Likewise.
17046         (SET_DECL_RESTRICT_BASE): Likewise.
17047         (struct tree_decl_with_vis): Remove based_on_restrict_p flag.
17048
17049         * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers
17050         instead of DECL_POINTER_ALIAS_SET.
17051         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
17052         * config/s390/s390.c (s390_gimplify_va_arg): Likewise.
17053         * config/spu/spu.c (spu_gimplify_va_arg_expr): Likewise.
17054
17055 2009-06-29  Richard Guenther  <rguenther@suse.de>
17056
17057         PR tree-optimization/40579
17058         * tree-vrp.c (vrp_evaluate_conditional): Bail out early if
17059         the IL to simplify has constants that overflowed.
17060
17061 2009-06-28  Uros Bizjak  <ubizjak@gmail.com>
17062
17063         PR tree-optimization/40550
17064         * tree-vect-generic.c (expand_vector_operations_1): Compute in
17065         vector_compute_type only when the size of vector_compute_type is
17066         less than the size of type.
17067
17068 2009-06-28  Eric Botcazou  <ebotcazou@adacore.com>
17069
17070         * fold-const.c (contains_label_1): Fix comments.
17071         (contains_label_p): Do not walk trees multiple time.
17072
17073 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
17074
17075         * config/i386/i386.h (enum ix86_fpcmp_strategy): New.
17076         * config/i386/i386.md (cbranchxf4, cstorexf4, cbranch<MODEF>4,
17077         cstore<MODEF>4, mov<X87MODEF>cc): Change predicate to
17078         ix86_fp_comparison_operator.
17079         (*fp_jcc_1_mixed, *fp_jcc_1_sse, *fp_jcc_1_387, *fp_jcc_2_mixed,
17080         *fp_jcc_2_sse, *fp_jcc_2_387): Delete
17081         (*fp_jcc_3_387, *fp_jcc_4_387, *fp_jcc_5_387, *fp_jcc_6_387,
17082         *fp_jcc_7_387, *fp_jcc_8<MODEF>_387): Eliminate call to
17083         !ix86_use_fcomi_compare, change ix86_fp_jump_nontrivial_p call
17084         to !TARGET_CMOVE, change predicate to ix86_fp_comparison_operator.
17085         (related splits): Change predicate to ix86_fp_comparison_operator.
17086         * config/i386/predicates.md: Use ix86_trivial_fp_comparison_operator
17087         instead of ix86_fp_comparison_codes.
17088         (ix86_trivial_fp_comparison_operator,
17089         ix86_fp_comparison_operator): New.
17090         * config/i386/i386-protos.h (ix86_fp_comparison_strategy): New.
17091         (ix86_expand_compare): Eliminate last two parameters.
17092         (ix86_fp_jump_nontrivial_p): Kill.
17093         * config/i386/i386.c (put_condition_code): Eliminate call to
17094         ix86_fp_comparison_codes and subsequent assertion.
17095         (ix86_fp_comparison_codes): Eliminate.
17096         (ix86_fp_swap_condition): New.
17097         (ix86_fp_comparison_arithmetics_cost, ix86_fp_comparison_fcomi_cost,
17098         ix86_fp_comparison_sahf_cost, ix86_use_fcomi_compare): Consolidate
17099         into ix86_fp_comparison_cost and ix86_fp_comparison_strategy.
17100         (ix86_prepare_fp_compare_args): Use ix86_fp_comparison_strategy
17101         and ix86_fp_swap_condition.
17102         (ix86_expand_fp_compare): Eliminate code for second jump/bypass jump.
17103         Use ix86_fp_comparison_strategy.
17104         (ix86_expand_compare): Likewise.  Eliminate last two arguments.
17105         (ix86_fp_jump_nontrivial_p): Eliminate.
17106         (ix86_expand_branch): Treat SFmode/DFmode/XFmode as simple.  Adjust
17107         call to ix86_expand_compare.
17108         (ix86_split_fp_branch, ix86_expand_setcc,
17109         ix86_expand_carry_flag_compare, ix86_expand_int_movcc,
17110         ix86_expand_fp_movcc): Eliminate code for second jump/bypass jump.
17111
17112 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
17113
17114         * config/arm/arm.c (arm_final_prescan_ins): Eliminate code
17115         related to jump_clobbers.
17116         * config/arm/arm.md (conds): Remove jump_clob case.
17117         (addsi3_cbranch, addsi3_cbranch_scratch, subsi3_cbranch, two
17118         splits): Change comparison_operator to arm_comparison_operator.
17119         (*arm_buneq, *arm_bltgt, *arm_buneq_reversed, *arm_bltgt_reversed):
17120         Eliminate.
17121
17122 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
17123
17124         * dojump.c (do_compare_rtx_and_jump): Try swapping the
17125         condition for floating point modes.
17126         * expmed.c (emit_store_flag_1): Move here a bigger part
17127         of emit_store_flag.
17128         (emit_store_flag): Try swapping the condition for floating point
17129         modes.
17130         * optabs.c (emit_cmp_and_jump_insns): Cope with constant op0 better.
17131
17132 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
17133
17134         * expr.c (expand_expr_real_1): Just use do_store_flag.
17135         (do_store_flag): Drop support for TRUTH_NOT_EXPR.  Use
17136         emit_store_flag_force.
17137         * expmed.c (emit_store_flag_force): Copy here trick
17138         previously in expand_expr_real_1.  Try reversing the comparison.
17139         (emit_store_flag_1): Work if target is NULL.
17140         (emit_store_flag): Work if target is NULL, using the result mode
17141         from the comparison.  Use split_comparison, restructure final part
17142         to simplify conditionals.
17143
17144 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
17145
17146         * builtins.c (expand_errno_check): Use do_compare_rtx_and_jump.
17147         * dojump.c (do_jump): Change handling of floating-point
17148         ops to use just do_compare_and_jump.
17149         (split_comparison): New.
17150         (do_compare_rtx_and_jump): Add here logic coming previously
17151         in do_jump, using split_comparison.
17152
17153 2009-06-27  H.J. Lu  <hongjiu.lu@intel.com>
17154
17155         PR target/40489
17156         * config/ia64/ia64.c (ia64_reorg): Check NULL insn.
17157
17158 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
17159
17160         * tree-ssa-alias.c: Fix unintentional commit.
17161
17162 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
17163
17164         * passes.c (execute_one_pass): Fix unintentional commit.
17165
17166 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
17167
17168         * df-problems.c (df_set_seen, df_unset_seen): Delete.
17169         (df_rd_local_compute, df_md_local_compute): Inline them.
17170
17171         (df_md_scratch): New.
17172         (df_md_alloc, df_md_free): Allocate/free it.
17173         (df_md_local_compute): Only include live registers in init.
17174         (df_md_transfer_function): Prune the in-set computed by
17175         the confluence function, and the gen-set too.
17176
17177 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
17178
17179         PR rtl-optimization/26854
17180         * timevar.def: Remove TV_DF_RU, add TV_DF_MD.
17181         * df-problems.c (df_rd_add_problem): Fix comment.
17182         (df_md_set_bb_info, df_md_free_bb_info, df_md_alloc,
17183         df_md_simulate_artificial_defs_at_top,
17184         df_md_simulate_one_insn, df_md_bb_local_compute_process_def,
17185         df_md_bb_local_compute, df_md_local_compute, df_md_reset,
17186         df_md_transfer_function, df_md_init, df_md_confluence_0,
17187         df_md_confluence_n, df_md_free, df_md_top_dump, df_md_bottom_dump,
17188         problem_MD, df_md_add_problem): New.
17189         * df.h (DF_MD, DF_MD_BB_INFO, struct df_md_bb_info, df_md,
17190         df_md_get_bb_info): New.
17191         (DF_LAST_PROBLEM_PLUS1): Adjust.
17192
17193         * Makefile.in (fwprop.o): Include domwalk.h.
17194         * fwprop.c: Include domwalk.h.
17195         (reg_defs, reg_defs_stack): New.
17196         (bitmap_only_bit_between): Remove.
17197         (process_defs): New.
17198         (process_uses): Use reg_defs and local_md instead of
17199         bitmap_only_bit_between and local_rd.
17200         (single_def_use_enter_block): New, from build_single_def_use_links.
17201         (single_def_use_leave_block): New.
17202         (build_single_def_use_links): Remove code moved to
17203         single_def_use_enter_block, invoke domwalk.
17204         (use_killed_between): Adjust comment.
17205
17206 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
17207
17208         * bitmap.h (bitmap_ior_and_into): New.
17209         * bitmap.c (bitmap_ior_and_into): New.
17210
17211 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
17212
17213         * domwalk.h (struct dom_walk_data): Remove all callbacks except
17214         before_dom_children_before_stmts and after_dom_children_after_stmts.
17215         Rename the two remaining callbacks to just before_dom_children and
17216         after_dom_children. Remove other GIMPLE statement walking bits.
17217         * domwalk.c (walk_dominator_tree): Remove now unsupported features.
17218         * graphite.c: Do not include domwalk.h.
17219         * tree-into-ssa.c (interesting_blocks): New global.
17220         (struct mark_def_sites_global_data): Remove it and names_to_rename.
17221         (mark_def_sites, rewrite_stmt, rewrite_add_phi_arguments,
17222         rewrite_update_stmt, rewrite_update_phi_arguments): Simplify
17223         now that they're not domwalk callbacks.
17224         (rewrite_initialize_block): Rename to...
17225         (rewrite_enter_block): ... this, place after called functions.  Test
17226         interesting_blocks, call rewrite_stmt and rewrite_add_phi_arguments.
17227         (rewrite_finalize_block): Rename to...
17228         (rewrite_leave_block): ... this, place after called functions.
17229         (rewrite_update_init_block): Rename to...
17230         (rewrite_update_enter_block): ... this, place after called functions.
17231         Test interesting_blocks, call rewrite_update_stmt and
17232         rewrite_update_phi_arguments.
17233         (rewrite_update_fini_block): Rename to...
17234         (rewrite_leave_block): ... this, place after called functions.
17235         (rewrite_blocks): Remove last argument, simplify initialization of
17236         walk_data.
17237         (mark_def_sites_initialize_block): Rename to...
17238         (mark_def_sites_block): ... this, call mark_def_sites.
17239         (mark_def_sites_blocks): Remove argument, simplify initialization of
17240         walk_data.
17241         (rewrite_into_ssa): Adjust for interesting_blocks_being a global.
17242         (update_ssa): Likewise.
17243         * tree-ssa-dom.c (optimize_stmt): Simplify now that it's not a domwalk
17244         callback.
17245         (tree_ssa_dominator_optimize): Simplify initialization of walk_data.
17246         (dom_opt_initialize_block): Rename to...
17247         (dom_opt_enter_block): ... this, place after called functions.  Walk
17248         statements here, inline propagate_to_outgoing_edges.
17249         (dom_opt_finalize_block): Rename to...
17250         (dom_opt_leave_block): ... this, place after called functions.
17251         * tree-ssa-dse.c (dse_optimize_stmt): Simplify now that it's not a
17252         domwalk callback.
17253         (dse_enter_block, dse_record_phi): New.
17254         (dse_record_phis): Delete.
17255         (dse_finalize_block): Rename to...
17256         (dse_leave_block): ... this.
17257         (tree_ssa_dse): Simplify initialization of walk_data.
17258         * tree-ssa-loop-im.c (determine_invariantness, move_computations):
17259         Adjust initialization of walk_data.
17260         * tree-ssa-loop-unswitch.c: Do not include domwalk.h.
17261         * tree-ssa-loop-phiopt.c (get_non_trapping):
17262         Adjust initialization of walk_data.
17263         * tree-ssa-loop-threadedge.c: Do not include domwalk.h.
17264         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Simplify now that
17265         it's not a domwalk callback.
17266         (uncprop_initialize_block): Rename to...
17267         (dse_enter_block): ... this, call uncprop_into_successor_phis.
17268         (dse_finalize_block): Rename to...
17269         (dse_leave_block): ... this.
17270         (tree_ssa_uncprop): Simplify initialization of walk_data.
17271         * Makefile.in: Adjust dependencies.
17272
17273 2009-06-27  Richard Earnshaw  <rearnsha@arm.com>
17274
17275         * arm.md (casesi): Fix test for Thumb1.
17276         (thumb1_casesi_internal_pic): Likewise.
17277         (thumb1_casesi_dispatch): Likewise.
17278
17279 2009-06-26  Daniel Gutson  <dgutson@codesourcery.com>
17280
17281         * config/arm/arm-cores.def: Added core cortex-m0.
17282         * config/arm/arm-tune.md: Regenerated.
17283         * doc/invoke.texi: Added entry for cpu ARM Cortex-M0.
17284
17285 2009-06-26  DJ Delorie  <dj@redhat.com>
17286
17287         * config/mep/mep.opt (mfar): Remove -mfar as it doesn't do anything.
17288
17289         * config/mep/mep.c (mep_bundle_insns): Account for the fact that
17290         the scheduler doesn't tag jump insns.
17291
17292 2009-06-26  H.J. Lu  <hongjiu.lu@intel.com>
17293
17294         * c-decl.c (merge_decls): Re-indent.
17295
17296 2009-06-26  Janis Johnson  <janis187@us.ibm.com>
17297
17298         PR c/39902
17299         * tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
17300         Special-case decimal float constants.
17301
17302 2009-06-26  Richard Henderson  <rth@redhat.com>
17303
17304         * function.h (struct function): Add cannot_be_copied_reason,
17305         and cannot_be_copied_set.
17306         * tree-inline.c (has_label_address_in_static_1): Rename from
17307         inline_forbidden_p_2; don't set inline_forbidden_reason here.
17308         (cannot_copy_type_1): Rename from inline_forbidden_p_op; likewise
17309         don't set inline_forbidden_reason.
17310         (copy_forbidden): New function, split out of inline_forbidden_p.
17311         (inline_forbidden_p_stmt): Don't check for nonlocal labels here.
17312         (inline_forbidden_p): Use copy_forbidden.
17313         (tree_versionable_function_p): Likewise.
17314         (inlinable_function_p): Merge into tree_inlinable_function_p.
17315         (tree_function_versioning): Remap cfun->nonlocal_goto_save_area.
17316         * ipa-cp.c (ipcp_versionable_function_p): New function.
17317         (ipcp_cloning_candidate_p): Use it.
17318         (ipcp_node_modifiable_p): Likewise.
17319
17320 2009-06-26  Olatunji Ruwase  <tjruwase@google.com>
17321
17322         * builtins.c (expand_builtin_alloca): Handle builtin alloca
17323         that is marked not to be inlined. Remove flag_mudflap use.
17324         * tree-mudflap.c: Rename mf_xform_derefs to mf_xfrom_statements.
17325         (mf_xform_statements): Mark builtin alloca calls as un-inlineable.
17326
17327 2009-06-26  Steve Ellcey  <sje@cup.hp.com>
17328
17329         PR bootstrap/40338
17330         * config/pa/t-pa-hpux10 (TARGET_LIBGCC2_CFLAGS): Add -frandom-seed.
17331         * config/pa/t-pa-hpux11 (TARGET_LIBGCC2_CFLAGS): Ditto.
17332
17333 2009-06-26  Kai Tietz  <kai.tietz@onevision.com>
17334
17335         * config/i386/mingw-tls.c (__mingwthr_key_dtor): Remove for none
17336         shared libgcc.
17337         (__mingwthr_remove_key_dtor): Likewise.
17338
17339 2009-06-26  Richard Guenther  <rguenther@suse.de>
17340
17341         * tree-ssa-structalias.c (do_ds_constraint): Simplify escape handling.
17342
17343 2009-06-26  Steven Bosscher  <steven@gcc.gnu.org>
17344
17345         PR middle-end/40525
17346         * ifcvt.c (dead_or_predicable): If predicating MERGE_BB fails,
17347         try the non-cond_exec path also.
17348
17349 2009-06-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17350
17351         PR target/40468
17352         * pa.c (branch_to_delay_slot_p, branch_needs_nop_p): New functions.
17353         (output_cbranch): Use new functions.
17354         (output_lbranch, output_bb, output_bvb, output_dbra, output_movb):
17355         Likewise.
17356
17357 2009-06-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
17358             Pat Haugen  <pthaugen@us.ibm.com>
17359             Revital Eres <ERES@il.ibm.com>
17360
17361         * config/rs6000/rs6000.c (print_operand): Correct lossage message
17362         for %c error.  Add %x support to print VSX registers as a unified
17363         register set, instead of separate float and altivec registers.
17364         Switch to use VECTOR_MEM_ALTIVEC_P instead of TARGET_ALTIVEC for
17365         %y case, and add support for VSX pre-modify addresses.
17366         (output_toc): Add assert for CONST containing an integer constant
17367         in the PLUS case.
17368         (rs6000_adjust_cost): Add POWER7 support.
17369         (insn_must_be_first_in_group): Ditto.
17370         (insn_must_be_last_in_group): Ditto.
17371         (rs6000_emit_popcount): Ditto.
17372         (rs6000_vector_mode_supported_p): Ditto.
17373
17374         * config/rs6000/rs6000-protos.h (rs6000_secondary_reload_class):
17375         Change some of the functions called by macros to being called
17376         through a pointer, so debug functions can be inserted if
17377         -mdebug=addr or -mdebug=cost.
17378         (rs6000_preferred_reload_class_ptr): Ditto.
17379         (rs6000_secondary_reload_class_ptr): Ditto.
17380         (rs6000_secondary_memory_needed_ptr): Ditto.
17381         (rs6000_cannot_change_mode_class_ptr): Ditto.
17382         (rs6000_secondary_reload_inner): Ditto.
17383         (rs6000_legitimize_reload_address): Ditto.
17384         (rs6000_legitimize_reload_address_ptr): Ditto.
17385         (rs6000_mode_dependent_address): Ditto.
17386         (rs6000_mode_dependent_address_ptr): Ditto.
17387
17388         * config/rs6000/rs6000.c (reg_offset_addressing_ok_p): New
17389         function to return true if the mode allows reg + integer
17390         addresses.
17391         (virtual_stack_registers_memory_p): New function to return true if
17392         the address refers to a virtual stack register.
17393         (rs6000_legitimate_offset_address_p): Move code to say whether a
17394         mode supports reg+int addressing to reg_offset_addressing_ok_p and
17395         call it.
17396         (rs6000_legitimate_address_p): Add checks for modes that only can
17397         do reg+reg addressing.  Start adding VSX support.
17398         (rs6000_legitimize_reload_address): Ditto.
17399         (rs6000_legitimize_address): Ditto.
17400         (rs6000_debug_legitimate_address_p): New debug functions for
17401         -mdebug=addr and -mdebug=cost.
17402         (rs6000_debug_rtx_costs): Ditto.
17403         (rs6000_debug_address_costs): Ditto.
17404         (rs6000_debug_adjust_cost): Ditto.
17405         (rs6000_debug_legitimize_address): Ditto.
17406         (rs6000_legitimize_reload_address_ptr): Point to call normal
17407         function or debug function.  Make functions called via pointer
17408         static.
17409         (rs6000_mode_dependent_address_ptr): Ditto.
17410         (rs6000_secondary_reload_class_ptr): Ditto.
17411         (rs6000_hard_regno_mode_ok): Add preliminary VSX support.
17412         (rs6000_emit_move): Add -mdebug=addr support.  Change an abort
17413         into a friendlier error.
17414         (rs6000_init_builtins): Add initial VSX support.
17415         (rs6000_adjust_cost): Fix some spacing issues.
17416
17417         * config/rs6000/rs6000.h (enum reg_class): Add VSX_REGS.
17418         (REG_CLASS_NAMES): Ditto.
17419         (REG_CLASS_CONTENTS): Ditto.
17420         (PREFERRED_RELOAD_CLASS): Move from a macro to calling through a
17421         pointer, to add -mdebug=addr support.
17422         (CANNOT_CHANGE_MODE_CLASS): Ditto.
17423         (SECONDARY_RELOAD_CLASS): Call through a pointer to add
17424         -mdebug=addr support.
17425         (LEGITIMIZE_RELOAD_ADDRESS): Ditto.
17426         (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
17427         (enum rs6000_builtins): Add RS6000_BUILTIN_BSWAP_HI.
17428
17429         * config/rs6000/rs6000.md (bswaphi*): Add support for swapping
17430         16-bit values.
17431         (bswapsi*): Set attribute types for load/store.  Add combiner
17432         patterns to eliminate zero extend on 64-bit.
17433         (bswapdi*): Add support for swapping 64-bit values.  Use ldbrx and
17434         stdbrx if the hardware supports those instructions.
17435
17436 2009-06-25  Ian Lance Taylor  <iant@google.com>
17437
17438         * doc/invoke.texi (Option Summary): Mention -static-libstdc++.
17439         (Link Options): Document -static-libstdc++.
17440
17441 2009-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17442
17443         PR target/38731
17444         * config/rs6000/rs6000.c (LOCAL_ALIGNMENT): Redefine to just use
17445         DATA_ALIGNMENT instead.
17446
17447 2009-06-25  Richard Guenther  <rguenther@suse.de>
17448
17449         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Disambiguate
17450         indirect references against the callused/escaped solutions.
17451         (call_may_clobber_ref_p_1): Likewise.
17452
17453 2009-06-25  Martin Jambor  <mjambor@suse.cz>
17454
17455         PR tree-optimization/40493
17456         * tree-sra.c (sra_modify_expr): Correct BIT_FIELD_REF argument numbers.
17457         (enum unscalarized_data_handling): New type.
17458         (handle_unscalarized_data_in_subtree): Return what has been done.
17459         (load_assign_lhs_subreplacements): Handle left flushes differently.
17460         (sra_modify_assign): Use unscalarized_data_handling, simplified
17461         condition determining whether to remove the statement.
17462
17463 2009-06-25  Basile Starynkevitch  <basile@starynkevitch.net>
17464
17465         * doc/plugins.texi (Building GCC plugins): Correct typo in Makefile
17466         excerpt - @ should be doubled for texinfo.
17467
17468 2009-06-24  Ian Lance Taylor  <iant@google.com>
17469
17470         * config/arc/arc.c: Include "df.h".
17471         (arc_attribute_table): Make static.  Move higher in file.
17472         (arc_address_cost): Call SMALL_INT on INTVAL, not rtx.
17473         (output_shift): Initialize n later to avoid warning.
17474         * config/arm/arm.c (arm_attribute_table): Make static.  Move
17475         higher in file.
17476         * config/avr/avr.c (avr_attribute_table): Make static.  Move
17477         higher in file.
17478         (reg_class_tab): Change array type from int to enum reg_class.
17479         (avr_jump_mode): Change GET_MODE to GET_CODE when checking for
17480         LABEL_REF.
17481         (out_tsthi, ashlhi3_out): Don't use AS2 with "or" or "and".
17482         (lshrhi3_out): Likewise.
17483         (class_likely_spilled_p): Change return type to bool.
17484         (avr_rtx_costs): Use local code variable with enum type.
17485         * config/avr/avr.md (movmemhi): Use add_reg_note.
17486         (andhi3, andsi3): Don't use AS2 with "and".
17487         (iorhi3, iorsi3): Don't use AS2 with "or".
17488         * config/avr/avr-protos.h (class_likely_spilled_p): Update declaration.
17489         * config/crx/crx.c: Include "df.h".
17490         (crx_attribute_table): Make static.
17491         * config/m32r/m32r.c: Include "df.h".
17492         (m32r_attribute_table): Make static.  Move higher in file.
17493         (pop): Use add_reg_note.
17494         (block_move_call): Change 0 to LCT_NORMAL in function call.
17495         * config/m32r/m32r.md (movsi_insn): Remove unused local value.
17496         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Likewise.
17497         * config/m32r/m32r-protos.h (m32r_compute_function_type): Always
17498         declare, not just when TREE_CODE is defined.
17499         * config/m68hc11/m68hc11.c: Include "expr.h".
17500         (m68hc11_attribute_table): Make static.  Move higher in file.
17501         (m68hc11_small_indexed_indirect_p): Change 0 to VOIDmode in
17502         function call.
17503         (m68hc11_register_indirect_p): Likewise.
17504         (m68hc11_function_arg_padding): Change return type to enum
17505         direction.
17506         (emit_move_after_reload): Use add_reg_note.
17507         (m68hc11_emit_logical): Change code parameter to enum rtx_code.
17508         (m68hc11_split_logical): Likewise.
17509         (m68hc11_rtx_costs): Add local code_and outer_code variables with
17510         enum type.
17511         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Change 0
17512         to VOIDmode in function call.
17513         * config/m68hc11/m68hc11-protos.h: Don't check TREE_CODE to see if
17514         tree is defined.
17515         (m68hc11_split_logical): Update declaration.
17516         (m68hc11_function_arg_padding): Update declaration.
17517         * config/mcore/mcore.c (regno_reg_class): Change form array of int
17518         to array of enum reg_class.
17519         (mcore_attribute_table): Make static.  Move higher in file.
17520         (mcore_rtx_costs): Add cast to enum type.
17521         * config/mcore/mcore.h (regno_reg_class): Update declaration.
17522         (GO_IF_LEGITIMATE_INDEX): Add cast to avoid warning.
17523         * config/sh/sh.c (sh_attribute_table): Make static.  Move higher
17524         in file.
17525         * config/sh/predicates.md (trapping_target_operand): Rename and to
17526         and_expr.
17527         * config/sparc/sparc.c (sparc_attribute_table): Make static.  Move
17528         higher in file.
17529         * config/spu/spu.c (spu_attribute_table): Make static.  Move
17530         higher in file.
17531         * config/v850/v850.c (v850_attribute_table): Make static.  Move
17532         higher in file.
17533         (v850_rtx_costs): Use local code with enum type.
17534         (expand_epilogue): Add cast.
17535         * config/v850/v850-c.c (ghs_pragma_section): Initialize repeat.
17536
17537 2009-06-23  Takashi YOSHII  <yoshii.takashi@renesas.com>
17538
17539         PR target/40515
17540         * doc/invoke.texi (SH Options): Document -m2a, -m2a-single,
17541         -m2a-single-only and -m2a-nofpu.
17542         * config/sh/sh.opt: Document m2a generates FPU code.
17543
17544 2009-06-24  Anatoly Sokolov  <aesok@post.ru>
17545
17546         * defaults.h (CAN_ELIMINATE): Provide default.
17547         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
17548         * config/alpha/alpha.h (CAN_ELIMINATE): Delete.
17549         * config/m32c/m32c.h (CAN_ELIMINATE): Delete.
17550         * config/spu/spu.h (CAN_ELIMINATE): Delete.
17551         * config/xtensa/xtensa.h (CAN_ELIMINATE): Delete.
17552         * config/moxie/moxie.h (CAN_ELIMINATE): Delete.
17553         * config/cris/cris.h (CAN_ELIMINATE): Delete.
17554         * config/mn10300/mn10300.h (CAN_ELIMINATE): Delete.
17555         * config/pa/pa64-linux.h (CAN_ELIMINATE): Delete.
17556         * config/mmix/mmix.h (CAN_ELIMINATE): Delete.
17557
17558 2009-06-24  DJ Delorie  <dj@redhat.com>
17559
17560         * mep-ext-cop.cpu: Fix copyright notice.
17561         * mep-default: Fix copyright notice.
17562         * mep-core: Fix copyright notice.
17563         * mep: Fix copyright notice.
17564         * mep-ivc2: Fix copyright notice.
17565         * mep-c5: Fix copyright notice.
17566
17567 2009-06-24  Denis Chertykov  <chertykov@gmail.com>
17568
17569         * doc/contrib.texi (Contributors):
17570
17571 2009-06-24  Andreas Krebbel  <krebbel1@de.ibm.com>
17572
17573         PR middle-end/40501
17574         * tree-ssa-math-opts.c (execute_optimize_bswap): Convert the bswap
17575         src and dst operands if necessary.
17576
17577 2009-06-23  DJ Delorie  <dj@redhat.com>
17578
17579         Add MeP port.
17580         * config.gcc: Add mep support.
17581         * recog.c: Resurrect validate_replace_rtx_subexp().
17582         * recog.h: Likewise.
17583         * config/mep/: Add new port:
17584         * config/mep/constraints.md: New file.
17585         * config/mep/default.h: New file.
17586         * config/mep/intrinsics.h: New file.
17587         * config/mep/intrinsics.md: New file.
17588         * config/mep/ivc2-template.h: New file.
17589         * config/mep/mep-c5.cpu: New file.
17590         * config/mep/mep-core.cpu: New file.
17591         * config/mep/mep-default.cpu: New file.
17592         * config/mep/mep-ext-cop.cpu: New file.
17593         * config/mep/mep-intrin.h: New file.
17594         * config/mep/mep-ivc2.cpu: New file.
17595         * config/mep/mep-lib1.asm: New file.
17596         * config/mep/mep-lib2.c: New file.
17597         * config/mep/mep-pragma.c: New file.
17598         * config/mep/mep-protos.h: New file.
17599         * config/mep/mep-tramp.c: New file.
17600         * config/mep/mep.c: New file.
17601         * config/mep/mep.cpu: New file.
17602         * config/mep/mep.h: New file.
17603         * config/mep/mep.md: New file.
17604         * config/mep/mep.opt: New file.
17605         * config/mep/predicates.md: New file.
17606         * config/mep/t-mep: New file.
17607
17608 2009-06-23  Ian Lance Taylor  <iant@google.com>
17609
17610         * configure.ac: Invoke AC_PROG_CXX.  Separate C specific warnings
17611         from loose_warn into c_loose_warn and from strict_warn into
17612         c_strict_warn.  Set and substitute warn_cxxflags.  Check for
17613         --enable-build-with-cxx.  Set and substitute
17614         ENABLE_BUILD_WITH_CXX.  Set and substitute HOST_LIBS.
17615         * Makefile.in (CXXFLAGS): New variable.
17616         (C_LOOSE_WARN, C_STRICT_WARN): New variables.
17617         (GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN).  Add $(C_STRICT_WARN) if
17618         the default is the same as $(STRICT_WARN).
17619         (GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables.
17620         (CXX): New variable.
17621         (COMPILER): New value if ENABLE_BUILD_WITH_CXX.
17622         (COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise.
17623         (ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise.
17624         (HOST_LIBS): New variable.
17625         (GCC_CFLAGS): Add $(C_LOOSE_WARN).
17626         (ALL_CXXFLAGS): New variable.
17627         (LIBS, BACKENDLIBS): Add $(HOST_LIBS).
17628         * doc/install.texi (Configuration): Document
17629         --enable-build-with-cxx, --with-stage1-ldflags,
17630         --with-stage1-libs, --with-boot-ldflags, --with-boot-libs.
17631         * configure: Rebuild.
17632
17633 2009-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
17634
17635         * config/arm/arm.c (arm_override_options): Fix braces and formatting
17636         from previous commit.
17637
17638 2009-06-23  Ian Lance Taylor  <iant@google.com>
17639
17640         * Makefile.in ($(out_object_file)): Depend upon $(DF_H).
17641
17642 2009-06-23  Ian Lance Taylor  <iant@google.com>
17643
17644         * reload.c (alternative_allows_const_pool_ref): Mark mem parameter
17645         with ATTRIBUTE_UNUSED.
17646
17647 2009-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
17648             Pat Haugen  <pthaugen@us.ibm.com>
17649             Revital Eres  <eres@il.ibm.com>
17650
17651         * config.in (HAVE_AS_POPCNTD): Add default definition.
17652         (HAVE_AS_LWSYNC): Ditto.
17653
17654         * configure.ac (gcc_cv_as_powerpc_mfpgpr): Provide real binutils
17655         release number.
17656         (gcc_cv_as_powerpc_cmpb): Ditto.
17657         (gcc_cv_as_powerpc_dfp): Ditto.
17658         (gcc_cv_as_powerpc_vsx): Ditto.
17659         (gcc_cv_as_powerpc_popcntd): Add feature test for assembler
17660         supporting the popcntd/lwsync instructions.
17661         (gcc_cv_as_powerpc_lwsync): Ditto.
17662         * configure: Regenerate.
17663
17664         * config/rs6000/aix53.h (ASM_CPU_SPEC): Add support for
17665         -mcpu=native and -mcpu=power7.
17666         * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.
17667
17668         * config/rs6000/linux64.opt (-mprofile-kernel): Move switch to be
17669         a variable instead of a mask to reduce the number of mask bits.
17670         * config/rs6000/sysv4.opt (-mbit-align): Ditto.
17671         (-mbit-word): Ditto.
17672         (-mregnames): Ditto.
17673         * config/rs6000/rs6000.opt (-mupdate): Ditto.
17674         (-mfused-madd): Ditto.
17675
17676         * config/rs6000/rs6000.opt (-mpopcntd): New switch for non-VSX ISA
17677         2.06 instructions.
17678         (-mvsx): New switch for VSX instructions.
17679         (-misel): Move from a variable to a mask to allow it to be set by
17680         -mcpu=.
17681
17682         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_nregs): Change
17683         function declaration to an array declaration.
17684         (rs6000_hard_regno_nregs): New external array declaration.
17685
17686         * config/rs6000/t-rs6000 (MD_INCLUDES): Define, add all of the .md
17687         files included by rs6000.md.
17688
17689         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
17690         SET_PROFILE_KERNEL macro to reset the -mprofile-kernel switch.
17691
17692         * config/rs6000/rs6000.c (rs6000_isel): Delete, -misel moved to be
17693         a target mask.
17694         (rs6000_debug_reg): New -mdebug= variables.
17695         (rs6000_debug_addr): Ditto.
17696         (rs6000_debug_cost): Ditto.
17697         (rs6000_pmode): New variable to hold Pmode.
17698         (rs6000_pointer_size): New variable to hold POINTER_SIZE.
17699         (rs6000_class_max_nregs): New array to hold CLASS_MAX_NREGS
17700         calculated at compiler start.
17701         (rs6000_hard_regno_nregs): Change function to an array which holds
17702         HARD_REGNO_NREGS calculated at compiler start.
17703         (rs6000_explicit_options): Delete isel field.
17704         (rs6000_vector_unit): New array to hold which vector unit
17705         supports arithmetic options for a given type.
17706         (rs6000_vector_mem): New array to hold which vector unit supports
17707         memory reference operations for a given type.
17708         (rs6000_vector_align): New array to given the alignment of each
17709         vector type.
17710         (power7_cost): New basic costs for power7.
17711         (SET_PROFILE_KERNEL): New macro for resetting -mprofile-kernel.
17712         (rs6000_hard_regno_nregs_internal): New function, moved from
17713         HARD_REGNO_NREGS, to calculate the number of registers each hard
17714         register takes for each type.
17715         (rs6000_debug_reg_print): New function for -mdebug=reg support.
17716         (rs6000_debug_vector_unit): New array, map rs6000_vector to string.
17717         (+rs6000_init_hard_regno_mode_ok): New function, move calculation
17718         of HARD_REGNO_NREGS, CLASS_MAX_NREGS, REGNO_REG_CLASS, and vector
17719         unit information here so it is calculated once at compiler startup
17720         time.
17721         (rs6000_override_options): Make -misel a target mask.  Add more
17722         power7 target masks.  Setup Pmode and POINTER_SIZE.  Add initial
17723         VSX support.  Add support for -mdebug=reg, -mdebug=addr, and
17724         -mdebug=cost.
17725         (POWERPC_MASKS): Add MASK_POPCNTD, MASK_VSX, and MASK_ISEL.
17726         (rs6000_handle_option): Move -misel from variable to target mask.
17727         (rs6000_builtin_mask_for_load): Add VSX support.
17728         (rs6000_conditional_register_usage): Ditto.
17729         (USE_ALTIVEC_FOR_ARG_P): Ditto.
17730         (function_arg_boundary): Ditto.
17731         (rs6000_expand_builtin): Ditto.
17732         (def_builtin): Make abort message a little friendlier.
17733         (rs6000_emit_int_cmove): Add support for 64-bit isel.
17734
17735         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Depend on the
17736         assembler support the popcntd instruction instead of a vsx
17737         instruction to enable power7 support.
17738         (ASM_CPU_SPEC): Add support for -mcpu=native and -mcpu=power7.
17739         (EXTRA_SPECS): Add ASM_CPU_NATIVE_SPEC to allow passing the right
17740         option to the assembler if -mcpu=native.
17741         (ASM_CPU_NATIVE_SPEC): Ditto.
17742         (TARGET_POPCNTD): If assembler doesn't support popcntd, turn off
17743         ISA 2.06 features.
17744         (TARGET_LWSYNC_INSTRUCTION): Define whether it is safe to issue
17745         the lwsync instruction.
17746         (enum processor_type): Add PROCESSOR_POWER7.
17747         (rs6000_debug_reg): New -mdebug= options.
17748         (rs6000_debug_addr): Ditto.
17749         (rs6000_debug_cost): Ditto.
17750         (rs6000_isel): Delete.
17751         (enum rs6000_vector): New enum to say what vector unit we have.
17752         (VECTOR_UNIT_*): New macros to say which vector unit has
17753         arithmetic operations for a given type.
17754         (VECTOR_MEM_*): New macros to say which vector unit has memory
17755         operations for a given type.
17756         (TARGET_LDBRX): Whether the machine supports the ldbrx
17757         instruction.
17758         (TARGET_ISEL): Delete, -misel moved to be a mask.
17759         (TARGET_ISEL64): New macro for 64-bit isel support.
17760         (UNITS_PER_VSX_WORD): New macro.
17761         (POINTER_SIZE): Move to be an external variable, rather than
17762         calculating whether we are generating 32 ot 64-bit code.
17763         (Pmode): Ditto.
17764         (STACK_BOUNDARY): Add VSX support.
17765         (LOCAL_ALIGNMENT): Ditto.
17766         (SLOW_UNALIGNED_ACCESS): Ditto.
17767         (VSX_REGNO_P): New macro for VSX support.
17768         (VFLOAT_REGNO_P): Ditto.
17769         (VINT_REGNO_P): Ditto.
17770         (VLOGICAL_REGNO_P): Ditto.
17771         (VSX_VECTOR_MODE): Ditto.
17772         (VSX_SCALAR_MODE): Ditto.
17773         (VSX_MODE): Ditto.
17774         (VSX_MOVE_MODE): Ditto.
17775         (VSX_REG_CLASS_P): Ditto.
17776         (HARD_REGNO_NREGS): Instead of calling a function, use an array
17777         lookup.
17778         (UNITS_PER_SIMD_WORD): Add VSX support.
17779         (MODES_TIEABLE_P): Ditto.
17780         (STARTING_FRAME_OFFSET): Ditto.
17781         (STACK_DYNAMIC_OFFSET): Ditto.
17782         (EPILOGUE_USES): Ditto.
17783         (REGNO_REG_CLASS): Move to array lookup.
17784         (CLASS_MAX_NREGS): Ditto.
17785         (rs6000_vector_reg_class): Add declaration.
17786         (ADDITIONAL_REGISTER_NAMES): Add VSX names for the registers that
17787         overlap with the floating point and Altivec registers.
17788
17789         * config/rs6000/e500.h (CHECK_E500_OPTIONS): Disallow -mvsx.
17790
17791         * config/rs6000/driver-rs6000.c (asm_names): New static array to
17792         give the appropriate asm switches if -mcpu=native.
17793         (host_detect_local_cpu): Add support for "asm".
17794         (host_detect_local_cpu): Follow GNU code guidelines for name.
17795
17796         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Move
17797         -mbit-word to a variable instead of being a target mask.
17798
17799         * config/rs6000/sync.md (lwsync): If the assembler supports it,
17800         emit the lwsync instruction instead of emitting the instruction as
17801         an integer constant.
17802
17803         * config/rs6000/spe.md (spe_fixuns_truncdfsi2): Rename from
17804         fixuns_trundfsi2, move expander into rs6000.md.
17805
17806         * config/rs6000/rs6000.md (cpu): Add power7.
17807         (sel, *ptrsize): New mode attributes for 32/64-bit isel.
17808         (logical predicate patterns): Change the single instruction
17809         primitives that set CR0 to be fast_compare instead of compare.
17810         (norsi*): Ditto.
17811         (popcntwsi2): Add support for ISA 2.06 popcount instructions.
17812         (popcntddi2): Ditto.
17813         (popcount<mode>): Ditto.
17814         (floating multiply/add insns): Name the floating point
17815         multiply/add insns.
17816         (isel_signed_<mode>): Add support for -misel on 64-bit systems.
17817         (isel_unsigned_<mode>): Ditto.
17818         (fixuns_trundfsi2): Move expander here from spe.md.
17819         (smindi3): Define if we have -misel on 64-bit systems.
17820         (smaxdi3): Ditto.
17821         (umindi3): Ditto.
17822         (umaxdi3): Ditto.
17823
17824 2009-06-23  Anatoly Sokolov  <aesok@post.ru>
17825
17826         * config.gcc (avr-*-rtems*, avr-*-*): Set extra_gcc_objs and
17827         extra_objs.
17828         * config/avr/avr.c (avr_current_device): New variable.
17829         (avr_arch_types, avr_mcu_types): Move to avr-deveces.c.
17830         (avr_arch, mcu_type_s): Move to avr.h.
17831         * config/avr/avr.h (base_arch_s). Add reserved2, arch_name and
17832         default_data_section_start fields.
17833         (avr_arch): Moved from avr.c.
17834         (mcu_type_s): Moved from avr.c. Add short_sp, data_section_start and
17835         library_name fields.
17836         (avr_current_device, avr_mcu_types, avr_arch_types,
17837         avr_device_to_arch, avr_device_to_data_start,
17838         avr_device_to_startfiles, avr_device_to_devicelib): Declare.
17839         (EXTRA_SPEC_FUNCTIONS): Define.
17840         (LINK_SPEC): Remove device name to '-m ...' and '-Tdata ...' linker
17841         options mapping. Use device_to_arch and device_to_data_start insted.
17842         (STARTFILE_SPEC): Use device_to_startfile instead of crt_binutils.
17843         (CRT_BINUTILS_SPECS, EXTRA_SPECS): Remove.
17844         * config/avr/t-avr (driver-avr.o, avr-devices.o): New rules.
17845         * config/avr/driver-avr.c: New file.
17846         * config/avr/avr-devices.c: New file.
17847
17848 2009-06-23  Jakub Jelinek  <jakub@redhat.com>
17849
17850         * var-tracking.c (unshare_variable): Force initialized to
17851         be VAR_INIT_STATUS_INITIALIZED unless flag_var_tracking_uninit.
17852         (set_variable_part): Likewise.
17853         (struct variable_union_info): Remove pos_src field.
17854         (vui_vec, vui_allocated): New variables.
17855         (variable_union): Pass VAR_INIT_STATUS_UNKNOWN to unshare_variable
17856         unconditionally.  Avoid XCVECNEW/free for every sorting, for dst_l
17857         == 1 use a simpler sorting algorithm.  Compute pos field right
17858         away, don't fill in pos_src.  For dst_l == 2 avoid qsort.
17859         Avoid quadratic comparison if !flag_var_tracking_uninit.
17860         (variable_canonicalize): Pass VAR_INIT_STATUS_UNKNOWN to
17861         unshare_variable unconditionally.
17862         (dataflow_set_different_2): Removed.
17863         (dataflow_set_different): Don't traverse second hash table.
17864         (compute_bb_dataflow): Pass VAR_INIT_STATUS_UNINITIALIZED
17865         unconditionally to var_reg_set or var_mem_set.
17866         (emit_notes_in_bb): Likewise.
17867         (delete_variable_part): Pass VAR_INIT_STATUS_UNKNOWN to
17868         unshare_variable.
17869         (emit_note_insn_var_location): Don't set initialized to
17870         VAR_INIT_STATUS_INITIALIZED early.
17871         (vt_finalize): Free vui_vec if needed, clear vui_vec and
17872         vui_allocated.
17873         * rtl.c (rtx_equal_p): Don't implement on top of rtx_equal_p_cb.
17874
17875         * tree-object-size.c (addr_object_size): Instead of checking
17876         for non-NULL TREE_CHAIN of the FIELD_DECL check that there
17877         are no FIELD_DECLs following it.
17878
17879 2009-06-23  Andreas Krebbel  <krebbel1@de.ibm.com>
17880
17881         * tree-ssa-math-opts.c (find_bswap): Increase the search depth in
17882         order to match bswaps with signed source operands.
17883
17884 2009-06-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
17885
17886         * sdbout.c (sdbout_one_type): Fix braces in switch.
17887
17888 2009-06-23  Richard Guenther  <rguenther@suse.de>
17889
17890         * tree-ssa-structalias.c (struct variable_info): Add is_global_var
17891         member.
17892         (var_anything, anything_tree, var_nothing, nothing_tree, var_readonly,
17893         readonly_tree, var_escaped, escaped_tree, var_nonlocal, nonlocal_tree,
17894         var_callused, callused_tree, var_storedanything, storedanything_tree,
17895         var_integer, integer_tree): Remove global variables.
17896         (new_var_info): Do not pass new id, append the new var to the
17897         global variable vector.
17898         (do_ds_constraint): Use is_global_var member of the variable-info.
17899         (new_scalar_tmp_constraint_exp): Adjust.
17900         (create_function_info_for): Likewise.
17901         (create_variable_info_for): Likewise.
17902         (find_what_var_points_to): Remove dead code.
17903         (init_base_vars): Simplify.
17904         (compute_points_to_sets): Adjust.
17905
17906 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
17907
17908         * combine.c (try_combine): Dump information about the insns we're
17909         combining.
17910
17911 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
17912
17913         * combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION
17914         check when calling force_to_mode on TRUNCATE's operand.
17915
17916 2009-06-22  Ian Lance Taylor  <iant@google.com>
17917
17918         * config/rs6000/rs6000.opt: Move msched-epilog before msched-prolog.
17919
17920 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
17921
17922         * config/arm/arm.md (prologue_use): Set length of fake insn to 0.
17923
17924 2009-06-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
17925
17926         * doc/invoke.texi (Link Options): -nodefaultlibs and -nostdlib
17927         override library linkage flags such as -static-libgcc or
17928         -shared-libgcc.
17929
17930 2009-06-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
17931
17932         * config/m68k/m68k-devices.def: Add line for MCF5221x.
17933
17934 2009-06-22  Ian Lance Taylor  <iant@google.com>
17935
17936         * config/linux.opt: Put mglibc ahead of muclibc.
17937
17938         * c-decl.c (diagnose_mismatched_decls): Add -Wc++-compat warning
17939         for duplicate decls.
17940
17941 2009-06-22  Matthias Klose  <doko@ubuntu.com>
17942
17943         * Makefile.in (install-plugin): Remove extra `/' after $(DESTDIR).
17944
17945 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
17946
17947         PR objc/28050
17948         * c-parser.c (c_parser_objc_message_args): Return error_mark_node
17949         instead of NULL if a parser error occurs.
17950
17951 2009-06-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
17952
17953         * dwarf2out.c (dwarf2_debug_hooks): Initialize
17954         non-DWARF2_DEBUGGING_INFO version.
17955
17956 2009-06-22  Kai Tietz  <kai.tietz@onevision.com>
17957
17958         * config.gcc (i[34567]86-*-mingw*, x86_64-*-mingw*): Add
17959         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.
17960
17961         * config/i386/mingw32.h (LIBGCC2_HAS_TF_MODE): Define.
17962         (LIBGCC2_TF_CEXT): Define.
17963         (TF_SIZE): Define.
17964
17965 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
17966
17967         PR target/40463
17968         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Fix definition.
17969
17970 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
17971
17972         * config/arm/arm.c (arm_override_options): Disable
17973         -mcaller-super-interworking and -mcallee-super-interworking.
17974         * doc/invoke.texi (ARM Options): Document this.
17975
17976 2009-06-22  Nathan Sidwell  <nathan@codesourcery.com>
17977
17978         * config/arm/arm.c (arm_print_operand): Deal with HIGH.
17979         * config/arm/constraints.md (j): New constraint for movw operands.
17980         (N): Remove thumb2 meaning.
17981         * config/arm/arm.md (*arm_movw): Delete.
17982         (*arm_movsi_insn): Use j constraint for movw instead of N constraint.
17983         * config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp): Likewise.
17984         * config/arm/thumb2.md (*thumb2_movsi_insn): Likewise.
17985
17986 2009-06-22  Martin Jambor  <mjambor@suse.cz>
17987
17988         PR tree-optimization/40492
17989         * tree-sra.c (sra_modify_assign): Pass zero offsets to
17990         build_ref_for_offset.
17991
17992 2009-06-22  Shujing Zhao  <pearly.zhao@oracle.com>
17993
17994         * alias.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, CALL_P, NOTE_P and
17995         JUMP_TABLE_DATA_P predicates where applicable.
17996         * auto-inc-dec.c: Ditto.
17997         * builtins.c: Ditto.
17998         * caller-save.c: Ditto.
17999         * calls.c: Ditto.
18000         * cfgcleanup.c: Ditto.
18001         * cfglayout.c: Ditto.
18002         * cfgrtl.c: Ditto.
18003         * combine.c: Ditto.
18004         * combine-stack-adj.c: Ditto.
18005         * cse.c: Ditto.
18006         * cselib.c: Ditto.
18007         * dbxout.c: Ditto.
18008         * df-scan.c: Ditto.
18009         * dse.c: Ditto.
18010         * dwarf2asm.c: Ditto.
18011         * dwarf2out.c: Ditto.
18012         * emit-rtl.c: Ditto.
18013         * except.c: Ditto.
18014         * explow.c: Ditto.
18015         * expmed.c: Ditto.
18016         * expr.c: Ditto.
18017         * final.c: Ditto.
18018         * function.c: Ditto.
18019         * fwprop.c: Ditto.
18020         * gcse.c: Ditto.
18021         * genpreds.c: Ditto.
18022         * genrecog.c: Ditto.
18023         * ifcvt.c: Ditto.
18024         * ira-costs.c: Ditto.
18025         * ira-lives.c: Ditto.
18026         * jump.c: Ditto.
18027         * loop-iv.c: Ditto.
18028         * lower-subreg.c: Ditto.
18029         * modulo-sched.c: Ditto.
18030         * optabs.c: Ditto.
18031         * postreload.c: Ditto.
18032         * print-rtl.c: Ditto.
18033         * recog.c: Ditto.
18034         * reginfo.c: Ditto.
18035         * regmove.c: Ditto.
18036         * reload1.c: Ditto.
18037         * reload.c: Ditto.
18038         * reorg.c: Ditto.
18039         * rtlanal.c: Ditto.
18040         * rtl.c: Ditto.
18041         * sched-vis.c: Ditto.
18042         * sdbout.c: Ditto.
18043         * sel-sched-ir.c: Ditto.
18044         * simplify-rtx.c: Ditto.
18045         * targhooks.c: Ditto.
18046         * var-tracking.c: Ditto.
18047         * vmsdbgout.c: Ditto.
18048
18049 2009-06-22  Matthias Klose  <doko@ubuntu.com>
18050
18051         * Makefile.in (install-plugin): Always use DESTDIR.
18052
18053 2009-06-22  Olivier Hainque  <hainque@adacore.com>
18054
18055         * config/pa/pa.c (output_call): Don't optimize post call jumps
18056         into return address adjustments if the call may throw.
18057
18058 2009-06-21  Richard Earnshaw  <rearnsha@arm.com>
18059
18060         * arm.c (thumb1_output_casesi): New function.
18061         * arm.h (CASE_VECTOR_PC_RELATIVE): Thumb-1 code is also relative if
18062         optimizing for size or PIC.
18063         (CASE_VECTOR_SHORTEN_MODE): Handle thumb-1.
18064         * arm.md (UNSPEC_THUMB1_CASESI): New constant.
18065         (casesi): Handle Thumb-1 when optimizing for size or PIC.
18066         (thumb1_casesi_internal_pic): New expand rule.
18067         (thumb1_casesi_dispatch): New pattern.
18068         * aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use shortened vectors for
18069         thumb-1 mode.
18070         * coff.h (JUMP_TABLES_IN_TEXT_SECTION): Thumb-1 jump tables are now
18071         in the text seciton when PIC or optimizing for size.
18072         * elf.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
18073         * lib1funcs.asm ([__ARM_EABI__]): Add an attribute describing stack
18074         preservation properties of code.
18075         (__gnu_thumb1_case_sqi, __gnu_thumb1_case_uqi): New functions.
18076         (__gnu_thumb1_case_shi, __gnu_thumb1_case_uhi): New functions.
18077         (__gnu_thumb1_case_si): New function.
18078         * t-arm (LIB1ASMSRC): Define here.
18079         (LIB1ASMFUNCS): Add some common functions.
18080         * t-arm-elf (LIB1ASMSRC): Delete.
18081         (LIB1ASMFUNCS): Append to existing set.
18082         * t-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
18083         * t-strongarm-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
18084         * t-symbian (LIB1ASMFUNCS): Likewise.
18085         * t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
18086         * t-wince-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
18087
18088 2009-06-21  Richard Guenther  <rguenther@suse.de>
18089
18090         PR tree-optimization/38729
18091         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Restrict
18092         to loops with a single exit if -fno-expensive-optimizations.
18093
18094 2009-06-21  Jakub Jelinek  <jakub@redhat.com>
18095
18096         * var-tracking.c (struct shared_hash_def, shared_hash): New types.
18097         (dataflow_set): Change vars type from htab_t to shared_hash.
18098         (shared_hash_pool, empty_shared_hash): New variables.
18099         (vars_clear): Removed.
18100         (shared_hash_shared, shared_hash_htab, shared_hash_copy,
18101         shared_hash_find_slot_unshare, shared_hash_find_slot,
18102         shared_hash_find_slot_noinsert, shared_hash_find): New
18103         static inlines.
18104         (shared_hash_unshare, shared_hash_destroy): New functions.
18105         (unshare_variable): Unshare set->vars if shared, use
18106         shared_hash_htab.
18107         (vars_copy): Use htab_traverse_noresize instead of htab_traverse.
18108         (get_init_value, find_src_set_src, dump_dataflow_set,
18109         clobber_variable_part, emit_notes_for_differences): Use
18110         shared_hash_htab.
18111         (dataflow_set_init): Remove second argument, set vars to
18112         empty_shared_hash instead of creating a new htab.
18113         (dataflow_set_clear): Call shared_hash_destroy and set vars
18114         to empty_shared_hash instead of calling vars_clear.
18115         (dataflow_set_copy): Don't call vars_copy, instead just share
18116         the src htab with dst.
18117         (variable_union): Use shared_hash_*, use initially NO_INSERT
18118         lookup if set->vars is shared.  Don't keep slot cleared before
18119         calling unshare_variable.  Unshare set->vars if needed.
18120         Even ->refcount == 1 vars must be unshared if set->vars is shared
18121         and var needs to be modified.
18122         (variable_canonicalize): New function.
18123         (dataflow_set_union): If dst->vars is empty, just share src->vars
18124         with dst->vars and traverse with variable_canonicalize to canonicalize
18125         and unshare what is needed.
18126         (dataflow_set_different): If old_set and new_set use the same shared
18127         htab, they aren't different.  If number of htab elements is different,
18128         htabs are different.  Use shared_hash_*.
18129         (dataflow_set_destroy): Call shared_hash_destroy instead of
18130         htab_delete.
18131         (compute_bb_dataflow, emit_notes_in_bb, vt_emit_notes): Don't pass
18132         second argument to dataflow_set_init.
18133         (vt_initialize): Likewise.  Initialize shared_hash_pool and
18134         empty_shared_hash, move bb in/out initialization afterwards.
18135         Use variable_htab_free instead of NULL as changed_variables del hook.
18136         (variable_was_changed): Change type of second argument to pointer to
18137         dataflow_set.  When inserting var into changed_variables, bump
18138         refcount.  Unshare set->vars if set is shared htab and slot needs to
18139         be cleared.
18140         (set_variable_part): Use shared_hash_*, use initially NO_INSERT
18141         lookup if set->vars is shared.  Unshare set->vars if needed.
18142         Even ->refcount == 1 vars must be unshared if set->vars is shared
18143         and var needs to be modified.  Adjust variable_was_changed caller.
18144         (delete_variable_part): Use shared_hash_*.  Even ->refcount == 1
18145         vars must be unshared if set->vars is shared and var needs to be
18146         modified.  Adjust variable_was_changed caller.
18147         (emit_note_insn_var_location): Don't pool_free var.
18148         (emit_notes_for_differences_1): Initialize empty_var->refcount to 0
18149         instead of 1.
18150         (vt_finalize): Call htab_delete on empty_shared_hash->htab and
18151         free_alloc_pool on shared_hash_pool.
18152
18153 2009-06-20  Anthony Green  <green@moxielogic.com>
18154
18155         * config/moxie/sfp-machine.h (__gcc_CMPtype, CMPtype): Define.
18156         * config/moxie/moxie.h (LOAD_EXTEND_OP): Define.
18157
18158 2009-06-20  Richard Guenther  <rguenther@suse.de>
18159
18160         * tree-ssa-structalias.c (find_func_aliases): For memset use
18161         a constraint from NULL if we memset to zero.
18162         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Add builtins
18163         we explicitly handle that do not read from memory.
18164         (call_may_clobber_ref_p_1): Properly handle builtins that may
18165         set errno.
18166
18167 2009-06-20  Richard Guenther  <rguenther@suse.de>
18168
18169         PR tree-optimization/40495
18170         * tree-ssa-structalias.c (get_constraint_exp_for_temp): Remove.
18171         (new_scalar_tmp_constraint_exp): New function.
18172         (process_constraint): Do not create temporary decls.
18173         (process_all_all_constraints): Likewise.
18174         (handle_const_call): Likewise.
18175         (create_function_info_for): Do not set decl.
18176
18177 2009-06-19  Ian Lance Taylor  <iant@google.com>
18178
18179         * config/rs6000/rs6000.c (rs6000_explicit_options): Make static.
18180         (rs6000_attribute_table): Make static; move before use.
18181
18182 2009-06-19  Eric Botcazou  <ebotcazou@adacore.com>
18183
18184         * tree.c (substitute_in_expr) <COMPONENT_REF>: Tweak and reformat.
18185         <tcc_vl_exp>: Call process_call_operands on the new CALL_EXPR.
18186         Propagate the TREE_READONLY flag without overwriting it.
18187         (substitute_placeholder_in_expr) <tcc_vl_exp>: Likewise.
18188         Propagate the TREE_READONLY flag onto the result.
18189         (process_call_operands): Move around.  Use correct constant value.
18190
18191 2009-06-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
18192
18193         PR target/40482
18194         * config/arm/arm.c (thumb_shiftable_const): Truncate val to 32 bits.
18195         * config/arm/arm.md: Likewise.
18196
18197 2009-06-19  Ian Lance Taylor  <iant@google.com>
18198
18199         * tree-cfg.c (gimple_redirect_edge_and_branch): Change ERROR_MARK
18200         to GIMPLE_ERROR_MARK.
18201
18202         * c-typeck.c (build_conditional_expr): Add op1_original_type and
18203         op2_original_type parameters.  Warn about using different enum types.
18204         * c-parser.c (c_parser_conditional_expression): Pass original
18205         types to build_conditional_expr.
18206         * c-tree.h (build_conditional_expr): Update declaration.
18207
18208 2009-06-19  Ian Lance Taylor  <iant@google.com>
18209
18210         * config/i386/i386.c (ix86_function_specific_save): Test that
18211         fields match values, rather than testing the values are in a
18212         certain range.
18213
18214 2009-06-19  Richard Guenther  <rguenther@suse.de>
18215
18216         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle
18217         ADDR_EXPR pointers.
18218         (ptr_derefs_may_alias_p): Likewise.
18219         (ptr_deref_may_alias_ref_p_1): New function.
18220         (ptr_deref_may_alias_ref_p): Likewise.
18221         (ref_maybe_used_by_call_p_1): Handle builtins that are not
18222         covered by looking at the ESCAPED solution.
18223         (call_may_clobber_ref_p_1): Likewise.
18224         * tree-ssa-structalias.c (get_constraint_for_ptr_offset):
18225         Handle NULL_TREE offset.  Do not produce redundant constraints.
18226         (process_all_all_constraints): New helper function.
18227         (do_structure_copy): Use it.
18228         (handle_lhs_call): Likewise.
18229         (find_func_aliases): Handle some builtins with pointer arguments
18230         and/or return values explicitly.
18231
18232 2009-06-19  Ian Lance Taylor  <iant@google.com>
18233
18234         * varasm.c (const_rtx_hash_1): Remove const qualifier from shift.
18235
18236 2009-06-19  Ian Lance Taylor  <iant@google.com>
18237
18238         * rtl.h (SUBREG_PROMOTED_UNSIGNED_P): Add cast to int.
18239
18240 2009-06-19  Ian Lance Taylor  <iant@google.com>
18241
18242         * ggc-page.c (ggc_pch_write_object): Initialize emptyBytes.
18243         * sdbout.c (sdb_debug_hooks): Initialize non-SDB_DEBUGGING_INFO
18244         version.
18245
18246         * c-decl.c (finish_decl): If -Wc++-compat, warn about
18247         uninitialized const.
18248
18249 2009-06-19  Ian Lance Taylor  <iant@google.com>
18250
18251         * dse.c (struct store_info): Rename bitmap field to bmap.  Change
18252         all uses.
18253
18254         * c-decl.c (in_struct, struct_types): Remove.
18255         (struct c_binding): Add in_struct field.
18256         (c_binding_ptr): Define type, along with VEC.
18257         (struct c_struct_parse_info): Define.
18258         (struct_parse_info): New static variable.
18259         (bind): Initialize in_struct field.
18260         (start_struct): Remove enclosing_in_struct and
18261         enclosing_struct_types parameters.  Add
18262         enclosing_struct_parse_info parameter.  Change all callers.  Set
18263         struct_parse_info rather than in_struct and struct_types.
18264         (grokfield): If -Wc++-compat and there is a symbol binding for the
18265         field name, set the in_struct flag and push it on the
18266         struct_parse_info->fields vector.
18267         (warn_cxx_compat_finish_struct): New static function.
18268         (finish_struct): Remove enclosing_in_struct and
18269         enclosing_struct_types parameters.  Add
18270         enclosing_struct_parse_info parameter.  Change all callers.  Don't
18271         set C_TYPE_DEFINED_IN_STRUCT here.  Call
18272         warn_cxx_compat_finish_struct.  Free struct_parse_info and set to
18273         parameter.  Only push on struct_types if warn_cxx_compat.
18274         (finish_enum): Only push on struct_types if warn_cxx_compat.
18275         (declspecs_add_type): Add loc parameter.  Change all callers.
18276         Change all error calls to error_at.  Pass loc, not input_location,
18277         to pedwarn calls.  Warn if -Wc++-compat and a typedef name is
18278         defined in a struct.  If -Wc++-compat and parsing a struct, record
18279         that a typedef name was used.
18280         * c-parser.c (c_parser_declspecs): Get location to pass to
18281         declspecs_add_type.
18282         (c_parser_struct_or_union_specifier): Update calls to start_struct
18283         and finish_struct.
18284         * c-tree.h (struct c_struct_parse_info): Declare.
18285         (finish_struct, start_struct): Update declarations.
18286         (declspecs_add_type): Update declaration.
18287
18288 2009-06-19  Ian Lance Taylor  <iant@google.com>
18289
18290         * c-decl.c (grokdeclarator): If -Wc++-compat, warn about a global
18291         variable with an anonymous type.
18292
18293 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
18294
18295         * see.c: Remove for real.
18296
18297 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
18298
18299         * optabs.h (enum optab_index): Add new OTI_significand.
18300         (significand_optab): Define corresponding macro.
18301         * optabs.c (init_optabs): Initialize significand_optab.
18302         * genopinit.c (optabs): Implement significand_optab using
18303         significand?f2 patterns.
18304         * builtins.c (expand_builtin_mathfn): Handle
18305         BUILT_IN_SIGNIFICAND{,F,L}.
18306         (expand_builtin): Expand BUILT_IN_SIGNIFICAND{,F,L} using
18307         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
18308
18309         * config/i386/i386.md (significandxf2, significand<mode>2): New
18310         expanders to implement significandf, significand and significandl
18311         built-ins as inline x87 intrinsics.
18312
18313 2009-06-18  Anatoly Sokolov  <aesok@post.ru>
18314
18315         * config/avr/avr.c (avr_override_options): Remove setting value of
18316         PARAM_INLINE_CALL_COST.
18317
18318 2009-06-18  Richard Henderson  <rth@redhat.com>
18319
18320         PR 40488
18321         * tree-pass.h (TDF_ASMNAME): New.
18322         * tree-dump.c (dump_options): Add asmname.
18323         * doc/invoke.texi: Document it.
18324
18325         * tree-pretty-print.c (maybe_dump_asm_name): Merge into...
18326         (dump_decl_name): ...here.
18327         (dump_function_name): New flags arg; mind TDF_ASMNAME.
18328         (dump_generic_node): Update dump_function_name calls.
18329         (print_call_name): New flags arg; update all dump calls.
18330         * diagnostic.h (print_call_name): Update.
18331         * gimple-pretty-print.c (dump_gimple_call): Update.
18332
18333 2009-06-18  H.J. Lu  <hongjiu.lu@intel.com>
18334
18335         PR target/40470
18336         * config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Add SSE_FIRST_REG.
18337
18338 2009-06-18  Diego Novillo  <dnovillo@google.com>
18339
18340         * doc/plugins.texi: Document plugin_is_GPL_compatible.
18341         * plugin.c (str_license): Declare.
18342         (try_init_one_plugin): Assert that the symbol
18343         'plugin_is_GPL_compatible' exists.
18344
18345 2009-06-18  Sergei Dyshel  <sergeid@il.ibm.com>
18346
18347         * see.c: Remove.
18348         * Makefile.in (OBJS-common): Remove see.o.
18349         (see.o): Remove.
18350         * common.opt (fsee): Mark as preserved for backward compatibility.
18351         * opts.c (common_handle_option): Add OPT_fsee to the backward
18352         compatibility section.
18353         * passes.c (init_optimization_passes, pass_see): Remove pass.
18354         * timevar.def (TV_SEE): Remove.
18355         * tree-pass.h (pass_see): Remove declaration.
18356         * doc/invoke.texi (-fsee): Remove documentation.
18357
18358 2009-06-18  Martin Jambor  <mjambor@suse.cz>
18359
18360         * tree-sra.c: Include statistics.h
18361         (sra_stats): New variable.
18362         (sra_initialize): Clear sra_stats.
18363         (create_access_replacement): Increment sra_stats.replacements.
18364         (get_access_replacement): Do not return twice.
18365         (analyze_all_variable_accesses): Increment statistics counter by the
18366         number of scalarized aggregates.
18367         (generate_subtree_copies): Increment sra_stats.subtree_copies.
18368         (sra_modify_expr): Increment sra_stats.exprs.
18369         (load_assign_lhs_subreplacements): Increment sra_stats.subreplacements.
18370         (sra_modify_assign): Increment sra_stats.exprs,
18371         sra_stats.separate_lhs_rhs_handling and sra_stats.deleted.
18372         (perform_intra_sra): Update statistics counters.
18373         * Makefile.in (tree-sra.o): Add statistics.h to dependencies.
18374
18375 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
18376
18377         * config/arm/arm.c (TARGET_SCALAR_MODE_SUPPORTED_P): Redefine.
18378         (arm_scalar_mode_supported_p): New function.
18379
18380 2009-06-18  Paul Brook  <paul@codesourcery.com>
18381             Sandra Loosemore  <sandra@codesourcery.com>
18382
18383         * config/arm/sfp-machine.h (_FP_NANFRAC_H, _FP_NANSIGN_H): Define.
18384         (__extendhfsf2, __truncsfhf2): Define.
18385         * config/arm/fp16.c: New file.
18386         * config/arm/t-bpabi (LIB2FUNCS_STATIC_EXTRA): Add fp16.c.
18387         * config/arm/t-symbian (LIB2FUNCS_STATIC_EXTRA):  Add fp16.c.
18388
18389 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
18390
18391         * doc/extend.texi (Half-Precision): New section.
18392         * doc/invoke.texi (Option Summary): List -mfp16-format.
18393         (ARM Options): List neon-fp16 as -mfpu value.  Document -mfp16-format.
18394         * config/arm/arm.opt (mfp16-format=): New.
18395         * config/arm/arm.c: Include intl.h.
18396         (TARGET_INVALID_PARAMETER_TYPE): Redefine.
18397         (TARGET_INVALID_RETURN_TYPE): Redefine.
18398         (TARGET_PROMOTED_TYPE): Redefine.
18399         (TARGET_CONVERT_TO_TYPE): Redefine.
18400         (arm_fp16_format): Define.
18401         (all_fpus): Add entry for neon-fp16.
18402         (fp_model_for_fpu): Likewise.
18403         (struct fp16_format): Declare.
18404         (all_fp16_formats): Define.
18405         (arm_init_libfuncs): Add entries for HFmode conversions and arithmetic
18406         functions.
18407         (arm_override_options): Set arm_fp16_format. Call sorry for fp16
18408         and no ldrh.
18409         (arm_legitimate_index_p): Treat HFmode like HImode.
18410         (thumb1_legitimate_address_p): Make it recognize HFmode constants.
18411         (coproc_secondary_reload_class): Special-case HFmode.
18412         (arm_print_operand): Add 'z' specifier for vld1.16/vst1.16.
18413         (arm_hard_regno_mode_ok): Allow HFmode values in VFP registers.
18414         (arm_init_fp16_builtins): New.
18415         (arm_init_builtins): Call it.
18416         (arm_invalid_parameter_type): New.
18417         (arm_invalid_return_type): New.
18418         (arm_promoted_type): New.
18419         (arm_convert_to_type).
18420         (arm_file_start): Deal with neon-fp16 as fpu_name.  Emit tag for fp16
18421         format.
18422         (arm_emit_fp16_const): New function.
18423         (arm_mangle_type): Mangle __fp16 as "Dh".
18424         * config/arm/arm.h (TARGET_VFPD32): Make it know about
18425         FPUTYPE_NEON_FP16.
18426         (TARGET_NEON_FP16): New.
18427         (TARGET_NEON): Make it know about FPUTYPE_NEON_FP16.
18428         (enum fputype): Add FPUTYPE_NEON_FP16.
18429         (enum arm_fp16_format_type): Declare.
18430         (arm_fp16_format): Declare.
18431         (LARGEST_EXPONENT_IS_NORMAL): Define.
18432         * config/arm/arm-protos.h (arm_emit_fp16_const): Declare.
18433         * config/arm/arm-modes.def (HFmode): Define.
18434         * config/arm/vfp.md (*movhf_vfp): New.
18435         (extendhfsf2): New.
18436         (truncsfhf2): New.
18437         * config/arm/arm.md (fpu): Add neon_fp16.
18438         (floatsihf2, floatdihf2): New.
18439         (fix_trunchfsi2, fix_trunchfdi2): New.
18440         (truncdfhf2): New.
18441         (extendhfdf2): New.
18442         (movhf): New.
18443         (*arm32_movhf): New.
18444         (*thumb1_movhf): New.
18445         (consttable_2): Add check for HFmode constants.
18446         (consttable_4): Handle HFmode constants.
18447
18448 2009-06-18  Uros Bizjak  <ubizjak@gmail.com>
18449
18450         * convert.c (convert_to_integer): Convert (int)logb() into ilogb().
18451
18452 2009-06-17  Olivier Hainque  <hainque@adacore.com>
18453
18454         * collect2.c (main): Use CONST_CAST2 to perform char ** to
18455         const char ** conversion in AIX specific section.
18456
18457 2009-06-17  H.J. Lu  <hongjiu.lu@intel.com>
18458
18459         * config/i386/i386.c (ix86_special_builtin_type): Remove
18460         UINT64_FTYPE_PINT.  Add UINT64_FTYPE_PUNSIGNED.
18461         (bdesc_special_args): Updated.
18462         (ix86_init_mmx_sse_builtins): Likewise.
18463         (ix86_expand_special_args_builtin): Likewise.
18464
18465 2009-06-17  Richard Henderson  <rth@redhat.com>
18466
18467         * tree-pretty-print.c (maybe_dump_asm_name): New.
18468         (dump_decl_name): Use it.
18469         (PRINT_FUNCTION_NAME): Merge into...
18470         (dump_function_name): ... here.  Use maybe_dump_asm_name.
18471
18472 2009-06-17  Cary Coutant  <ccoutant@google.com>
18473
18474         * dbxout.c (dbxout_source_line): Add is_stmt parameter.
18475         Change caller.
18476         * debug.c (struct gcc_debug_hooks): Change placeholder for
18477         source_line hook.
18478         (debug_nothing_int_charstar_int): Replaced by...
18479         (debug_nothing_int_charstar_int_bool): ...this.
18480         * debug.h (struct gcc_debug_hooks): Add is_stmt parameter to
18481         source_line prototype.
18482         (debug_nothing_int_charstar_int): Replaced by...
18483         (debug_nothing_int_charstar_int_bool): ...this.
18484         * defaults.h (SUPPORTS_DISCRIMINATOR): New constant.
18485         * dwarf2out.c (dwarf2out_source_line): Add is_stmt parameter.
18486         Output is_stmt operand when necessary.
18487         * final.c (final_scan_insn): Pass is_stmt to source_line debug hook.
18488         (notice_source_line): Add is_stmt parameter.
18489         * sdbout.c (sdbout_source_line): Add is_stmt parameter.
18490         * vmsdbgout.c (vmsdbgout_source_line): Add is_stmt parameter.
18491         Change callers.
18492         * xcoffout.c (xcoffout_source_line): Add is_stmt parameter.
18493         * xcoffout.h (xcoffout_source_line): Add is_stmt parameter.
18494
18495 2009-06-17  Ian Lance Taylor  <iant@google.com>
18496
18497         * expr.c (struct move_by_pieces_d): Rename from move_by_pieces.
18498         Change all uses.
18499         (struct store_by_pieces_d): Rename from store_by_pieces.  Change
18500         call uses.
18501
18502 2009-06-17  Adam Nemet  <anemet@caviumnetworks.com>
18503
18504         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS,
18505         STRIP_USELESS_TYPE_CONVERSION): Use tree_strip_nop_conversions,
18506         tree_strip_sign_nop_conversions and
18507         tree_ssa_strip_useless_type_conversions rather than stripping
18508         the operations here.
18509         (tree_strip_nop_conversions, tree_strip_sign_nop_conversions):
18510         Declare them.
18511         * gimple.h (tree_ssa_strip_useless_type_conversions): Declare it.
18512         * tree-ssa.c (tree_ssa_strip_useless_type_conversions): New function.
18513         * tree.c (tree_nop_conversion, tree_sign_nop_conversion,
18514         tree_strip_nop_conversions, tree_strip_sign_nop_conversions): New
18515         functions.
18516
18517 2009-06-17  Michael Eager  <eager@eagercon.com>
18518
18519         * config/rs6000/constraints.md (register_constraint "d"): New.
18520         * config/rs6000/dfp.md (movsd_store, extendsddd2, extendsdtd2,
18521         truncddsd2, *negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
18522         *movdd_hardfloat32, *movdd_hardfloat64_mfpgpr, *movdd_hardfloat64,
18523         *negtd2_fp, *abstd2_fpr, *nabstd2_fpr, *movtd_internal, extendddtd2,
18524         trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
18525         divtd3, *cmpdd_internal1, *cmptd_internal1, floatditd2, ftruncdd2,
18526         fixdddi2, ftrunctd2, fixtddi2): replace 'f' constraint with 'd'
18527         * config/rs6000/ppu_intrinsics.h (__mffs, __mtfsf, __mtfsfi, __fabs,
18528         __fnabs, __fmadd, __fmsub, __fnmadd, __fnmsub, __fsel, __frsqrte,
18529         __fsqrt, __fmul, __fmuls, __frsp, __fcfid, __fctid, __fctidz, __fctiw,
18530         __fctiwz): Same.
18531         * config/rs6000/rs6000.md (*extendsfdf2_fpr, *truncdfsf2_fpr,
18532         *fseldfsf4, *negdf2_fpr, *absdf2_fpr, *nabsdf2_fpr, *adddf3_fpr,
18533         *subdf3_fpr, *muldf3_fpr, *divdf3_fpr, recipdf3, fred, sqrtdf2,
18534         *fseldfdf4, *fselsfdf4, *floatsidf2_internal, *floatunssidf2_internal,
18535         *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
18536         fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2, rounddf2,
18537         stfiwx, floatdidf2, fix_truncdfdi2, floatdisf2_internal1,
18538         *movdf_hardfloat32, *movdf_hardfloat64_mfpgpr, *movdf_hardfloat64,
18539         *movtf_internal, *extenddftf2_internal, trunctfdf2_internal1,
18540         trunctfdf2_internal2, trunctfsf2_fprs, fix_trunc_helper,
18541         *fix_trunctfsi2_internal, negtf2_internal, *movdi_internal32,
18542         *movdi_mfpgpr, *movdi_internal64, *movdf_update1, *movdf_update2,
18543         *cmpdf_internal1, *cmptf_internal1, *cmptf_internal2): Same.
18544         * doc/md.texi: Describe PowerPC 'd' constraint, update 'f' constraint.
18545
18546 2009-06-16  Ian Lance Taylor  <iant@google.com>
18547
18548         * profile.c (total_num_never_executed): Don't define.
18549         (compute_branch_probabilities): Don't count or print
18550         num_never_executed.
18551         (init_branch_prob): Don't set total_num_never_executed.
18552         (end_branch_prob): Don't print total_num_never_executed.
18553
18554 2009-06-17  David Daney  <ddaney@caviumnetworks.com>
18555
18556         * jump.c (cleanup_barriers): Handle case of no insns before a barrier.
18557
18558 2009-06-17  David Edelsohn  <edelsohn@gnu.org>
18559
18560         * config/rs6000/dfp.md (nabsdd2_fpr): Correct mode.
18561         (nabstd2_fpr): Same.
18562
18563 2009-06-17  Steve Ellcey  <sje@cup.hp.com>
18564
18565         * expr.c (expand_assignment): Change complex type check.
18566
18567 2009-06-17  Basile Starynkevitch  <basile@starynkevitch.net>
18568
18569         * doc/plugins.texi (Building GCC plugins): Added new section.
18570
18571 2009-06-17  Ian Lance Taylor  <iant@google.com>
18572
18573         * c-pch.c (get_ident): Don't set size of templ array.
18574         (pch_init): Don't set size of partial_pch array.
18575
18576         * c-typeck.c (digest_init): If -Wc++-compat, warn about using a
18577         string constant to intialize an array whose size is the length of
18578         the string.
18579
18580 2009-06-17  Richard Guenther  <rguenther@suse.de>
18581
18582         PR tree-optimization/40389
18583         * tree-ssa-structalias.c (handle_rhs_call): Restrict NRV case
18584         to addressable types.
18585         * gimple.c (walk_stmt_load_store_addr_ops): Likewise.
18586
18587 2009-06-17  Richard Guenther  <rguenther@suse.de>
18588
18589         PR middle-end/40460
18590         * tree-chrec.h (build_polynomial_chrec): If we cannot determine
18591         if there is no evolution of left in the loop bail out.
18592         * tree-chrec.c (chrec_fold_multiply_poly_poly): CSE one
18593         chrec_fold_multiply.
18594
18595 2009-06-16  J"orn Rennecke  <joern.rennecke@arc.com>
18596             Janis Johnson  <janis187@us.ibm.com>
18597
18598         PR target/39254
18599         * config/rs6000/rs6000.c (rs6000_emit_move): Don't emit a USE
18600         for the symbol ref of a constant that is the source of a move
18601         - nor for any other not-obvious-label-ref constants.
18602
18603 2009-06-16  Olatunji Ruwase  <tjruwase@google.com>
18604
18605         * plugin.c (position_pass): Skip newly inserted pass during list
18606         traversal to avoid repeated insertion.
18607
18608 2009-06-16  Ian Lance Taylor  <iant@google.com>
18609
18610         * vec.h (VEC_stack_alloc): Define different version if
18611         GATHER_STATISTICS is defined, to accept and ignore MEM_STAT.
18612         (DEF_VEC_ALLOC_FUNC_P_STACK): Remove MEM_STAT_DECL.
18613         (DEF_VEC_ALLOC_FUNC_O_STACK): Likewise.
18614         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
18615
18616 2009-06-16  H.J. Lu  <hongjiu.lu@intel.com>
18617
18618         * config.gcc (extra_headers): Add ia32intrin.h for x86.
18619
18620         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_BSRSI,
18621         IX86_BUILTIN_BSRDI.  IX86_BUILTIN_RDPMC, IX86_BUILTIN_RDTSC.
18622         IX86_BUILTIN_RDTSCP.  IX86_BUILTIN_ROLQI, IX86_BUILTIN_ROLHI,
18623         IX86_BUILTIN_RORQI and IX86_BUILTIN_RORHI.
18624         (ix86_special_builtin_type): Add UINT64_FTYPE_VOID,
18625         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
18626         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
18627         (bdesc_special_args): Add __builtin_ia32_rdtsc and
18628         __builtin_ia32_rdtscp.
18629         (bdesc_args): Add __builtin_ia32_bsrsi, __builtin_ia32_bsrdi,
18630         __builtin_ia32_rolqi, __builtin_ia32_rolhi, __builtin_ia32_rorqi
18631         and __builtin_ia32_rorhi.
18632         (ix86_init_mmx_sse_builtins): Handle UINT64_FTYPE_VOID,
18633         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
18634         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
18635         (ix86_expand_args_builtin): Likewise.
18636         (ix86_expand_special_args_builtin): Likewise.
18637
18638         * config/i386/i386.md (UNSPECV_RDTSCP): New.
18639         (UNSPECV_RDTSC): Likewise.
18640         (UNSPECV_RDPMC): Likewise.
18641         (*bsr): Renamed to ...
18642         (bsr): This
18643         (*bsr_rex64): Renamed to ...
18644         (bsr_rex64): This.
18645         (rdpmc): New.
18646         (*rdpmc): Likewise.
18647         (*rdpmc_rex64): Likewise.
18648         (rdtsc): Likewise.
18649         (*rdtsc): Likewise.
18650         (*rdtsc_rex64): Likewise.
18651         (rdtscp): Likewise.
18652         (*rdtscp): Likewise.
18653         (*rdtscp_rex64): Likewise.
18654
18655         * config/i386/ia32intrin.h: New.
18656
18657         * config/i386/x86intrin.h: Include <ia32intrin.h>.
18658
18659 2009-06-16  Ian Lance Taylor  <iant@google.com>
18660
18661         * ira-build.c (copy_info_to_removed_store_destinations):
18662         Initialize parent_a.
18663
18664 2009-06-16  Ian Lance Taylor  <iant@google.com>
18665
18666         * c-decl.c (grokdeclarator): Change size_varies to bool.
18667
18668 2009-06-16  Ian Lance Taylor  <iant@google.com>
18669
18670         * sel-sched.c: Make forward declarations of move_op_hooks and
18671         fur_hooks explicitly extern.
18672
18673 2009-06-16  Ian Lance Taylor  <iant@google.com>
18674
18675         * df-problems.c (df_byte_lr_alloc): Don't set problem_data to itself.
18676         * vec.c (vec_gc_o_reserve_1): Don't set alloc to itself.
18677
18678 2009-06-16  Ian Lance Taylor  <iant@google.com>
18679
18680         * resource.c (mark_referenced_resources): Change
18681         include_delayed_effects parameter to bool.  Change all callers.
18682         (mark_end_of_function_resources): Likewise.
18683         * reorg.c (insn_references_resource_p): Likewise.
18684         (insn_sets_resource_p): Likewise.
18685         * resource.h (mark_referenced_resources): Update declaration.
18686         (mark_end_of_function_resources): Update declaration.
18687
18688 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
18689
18690         * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove -lstdc++.
18691
18692 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
18693
18694         * doc/install.texi (*-*-aix): Update explanation of XLC bootstrap.
18695         GCC can bootstrap on AIX with GNU Binutils 2.20.
18696
18697 2009-06-16  Ian Lance Taylor  <iant@google.com>
18698
18699         * Makefile.in (tree-vect-stmts.o): Depend upon $(TOPLEV_H).
18700
18701 2009-06-16  Ian Lance Taylor  <iant@google.com>
18702
18703         * toplev.h (floor_log2): If GCC_VERSION >= 3004, declare as static
18704         inline, not extern inline.
18705         (exact_log2): Likewise.
18706         * toplev.c (floor_log2): Only define if GCC_VERSION < 3004. Don't
18707         test CLZ_HWI.
18708         (exact_log2): Likewise, but don't test CTZ_HWI.
18709
18710 2009-06-16  Ian Lance Taylor  <iant@google.com>
18711
18712         * bitmap.c (bitmap_clear): Don't declare as inline.
18713         * gimple.c (gimplify_assign): Likewise.
18714         * tree-ssa-sccvn.c (vn_nary_op_compute_hash): Likewise.
18715         * haifa-sched.c (insn_cost): Don't declare with HAIFA_INLINE.
18716         (sched_scan_info): Remove duplicate definition.
18717
18718 2009-06-16  Ian Lance Taylor  <iant@google.com>
18719
18720         * c-common.c (skip_evaluation): Don't define.
18721         (c_inhibit_evaluation_warnings): Define global variable.
18722         (overflow_warning): Check c_inhibit_evaluation_warnings rather
18723         than skip_evaluation.
18724         (convert_and_check, warn_for_div_by_zero): Likewise.
18725         * c-common.h (skip_evaluation): Don't declare.
18726         (c_inhibit_evaluation_warnings): Declare.
18727         * c-parser.c (c_parser_typeof_specifier): Set
18728         c_inhibit_evaluation_warnings rather than skip_evaluation.
18729         (c_parser_conditional_expression): Likewise.
18730         (c_parser_binary_expression): Likewise.
18731         (c_parser_sizeof_expression): Likewise.
18732         (c_parser_alignof_expression): Likewise.
18733         * c-typeck.c (build_indirect_ref): Check
18734         c_inhibit_evaluation_warnings rather than skip_evaluation.
18735         (build_conditional_expr, build_binary_op): Likewise.
18736
18737 2009-06-16  Richard Guenther  <rguenther@suse.de>
18738
18739         * tree-ssa-alias.c (is_escape_site): Remove.
18740         * tree-ssa-alias.h (enum escape_type): Remove.
18741         (is_escape_site): Likewise.
18742         * tree-ssa-structalias.c (find_func_aliases): Handle escapes
18743         via casts and asms without deferring to is_escape_site.
18744
18745 2009-06-16  Jakub Jelinek  <jakub@redhat.com>
18746
18747         PR middle-end/40446
18748         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't
18749         use gen_lowpart if op0 has complex mode.
18750
18751 2009-06-16  Richard Guenther  <rguenther@suse.de>
18752
18753         * tree-ssa-structalias.c (do_ds_constraint): Stores in global
18754         variables add them to ESCAPED.
18755         (find_func_aliases): Do not make all indirectly stored values escaped.
18756
18757 2009-06-16  Rafael Avila de Espindola  <espindola@google.com>
18758
18759         * config/i386/winnt.c (i386_pe_encode_section_info): Update call to
18760         make_decl_one_only.
18761
18762 2009-06-16  Martin Jambor  <mjambor@suse.cz>
18763
18764         PR tree-optimization/40432
18765         * tree-sra.c (sra_modify_assign): When creating VIEW_CONVERT_EXPR,
18766         check whether we need to force gimple register operand.
18767
18768 2009-06-16  Martin Jambor  <mjambor@suse.cz>
18769
18770         PR tree-optimization/40413
18771         * tree-sra.c (load_assign_lhs_subreplacements): Pass offset to
18772         build_ref_for_offset.
18773         (propagate_subacesses_accross_link): Fix a typo in a comment.
18774
18775 2009-06-16  Ira Rosen  <irar@il.ibm.com>
18776
18777         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
18778         with additional parameter.
18779         * tree-vectorizer.h (enum vect_def_type): Add new value
18780         vect_nested_cycle.
18781         (enum vect_relevant): Add comments.
18782         (vect_is_simple_reduction): Add new argument.
18783         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Add comments.
18784         Detect nested cycles.
18785         (vect_is_simple_reduction): Update documentation, add an argument to
18786         distinguish inner-loop reduction from nested cycle, detect nested
18787         cycles, fix printings and indentation, don't swap operands in case
18788         of nested cycle.
18789         (get_initial_def_for_reduction): Handle subtraction.
18790         (vect_create_epilog_for_reduction): Add new argument to specify
18791         reduction variable.
18792         (vect_finalize_reduction): Handle subtraction, fix comments.
18793         (vectorizable_reduction): Handle nested cycles. In case of nested
18794         cycle keep track of the reduction variable position. Call
18795         vect_is_simple_reduction with additional parameter. Use original
18796         statement code in reduction epilogue for nested cycle. Call
18797         vect_create_epilog_for_reduction with additional parameter.
18798         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Assert
18799         inner-loop vectorization.
18800         (vect_recog_widen_sum_pattern): Likewise.
18801         * tree-vect-stmts.c (process_use): Distinguish between nested cycles
18802         and reductions.
18803         (vect_mark_stmts_to_be_vectorized): Likewise.
18804         (vect_get_vec_def_for_operand): Handle nested cycles.
18805
18806 2009-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18807
18808         * doc/invoke.texi (Debugging Options): Fix option index entries
18809         for -fdump-statistics, -frandom-seed add entries for
18810         -fdump-tree-original, -fdump-tree-optimized, -frandom-seed.
18811         (FRV Options): Fix entries for -mTLS, -mtls.
18812         (HPPA Options): Fix entries for -mgnu-ld, -mhp-ld.
18813         (i386 and x86-64 Options): Fix entry for -mno-red-zone.
18814         (M68hc1x Options): Fix @itemx for -mnominmax.
18815         (MCore Options): Fix entry for -mno-lsim.
18816         (MMIX Options): Fix entry for -mabi=mmixware.
18817         (PDP-11 Options): Fix entry for -mbcopy-builtin.
18818
18819 2009-06-16  Basile Starynkevitch  <basile@starynkevitch.net>
18820
18821         * doc/plugins.texi (Interacting with the GCC Garbage Collector):
18822         Mention the plugin mode of gengtype.
18823         * doc/gty.texi (Source Files Containing Type Information): Likewise.
18824         * gengtype.c: Updated copyright.
18825         (plugin_files, nb_plugin_files) Added new static variables.
18826         (measure_input_list) Care about plugin_files.
18827         (write_rtx_next): Added early return in plugin mode.
18828         (create_file): Updated copyright year in generated file. Added
18829         asserts.
18830         (oprintf): Added early return if NULL outf.
18831         (get_output_file_with_visibility): Care of plugin_files.
18832         (get_output_file_name): May return null.
18833         (write_local): Added early return.
18834         (put_mangled_filename): Ditto.
18835         (finish_root_table): Added check for base_files.
18836         (write_roots): Care about null when plugins.
18837         (main): Added plugin mode.
18838
18839 2009-06-15  Ian Lance Taylor  <iant@google.com>
18840
18841         * df-problems.c (df_simulate_one_insn_forwards): Fix braces in switch.
18842         * gcov.c (read_count_file): Add braces around variables declared
18843         before label.
18844
18845         * c.opt (Wjump-misses-init): New warning.
18846         * c-opts.c (c_common_handle_option): Set warn_jump_misses_init for
18847         -Wall and -Wc++-compat if not already set.
18848         (c_common_post_options): Clear warn_jump_misses_init if it was not
18849         set.
18850         * c-decl.c (struct c_binding): Change type field to a union with
18851         new label field.  Make it the first field in the struct.  Update
18852         references to type to use u.type instead.
18853         (struct c_spot_bindings): Define.
18854         (struct c_goto_bindings): Define.
18855         (c_goto_bindings_p): Define, along with VECs.
18856         (struct c_label_vars): Define.
18857         (struct c_scope): Add has_label_bindings field.
18858         (bind_label, set_spot_bindings): New static functions.
18859         (decl_jump_unsafe, update_spot_bindings): New static functions.
18860         (update_label_decls): New static function.
18861         (pop_scope): Call update_label_decls.  Don't call c_end_vm_scope.
18862         Update binding u.label field to shadowed field.
18863         (c_binding_start_stmt_expr): New function.
18864         (c_binding_end_stmt_expr): New function.
18865         (pushdecl): Don't call c_begin_vm_scope.
18866         (make_label): Add defining and p_label_vars parameters.  Change
18867         all callers.
18868         (lookup_label): Correct test for whether a label has not yet been
18869         defined.  Call bind_label rather than bind.
18870         (warn_about_goto): New static function.
18871         (lookup_label_for_goto): New function.
18872         (declare_label): Call bind_label rather than bind.
18873         (check_earlier_gotos): New static function.
18874         (define_label): Don't give errors about jumping into statement
18875         expressions or scopes of variably modified types.  Call
18876         set_spot_bindings and check_earlier_gotos.  Call bind_label
18877         instead of bind.  Don't set label_context_stack_se or
18878         label_context_stack_vm.
18879         (c_get_switch_bindings): New function.
18880         (c_release_switch_bindings): New function.
18881         (c_check_switch_jump_warnings): New function.
18882         (start_function): Don't set label_context_stack_se or
18883         label_context_stack_vm.
18884         (finish_function): Likewise.
18885         * c-typeck.c (label_context_stack_se): Don't define.
18886         (label_context_stack_vm): Don't define.
18887         (c_finish_goto_label): Call lookup_label_for_goto rather than
18888         lookup_label.  Don't give errors about jumping into a statement
18889         expression or the scope of a variably modified type.  Don't set
18890         label_context_stack_se or label_context_stack_vm.
18891         (struct c_switch): Remove blocked_stmt_expr and blocked_vm
18892         fields.  Add bindings field.
18893         (c_start_case): Don't set deleted fields.  Set bindings field.
18894         (do_case): Rework order of tests.  Don't check blocked_stmt_expr
18895         or blocked_vm.  Call c_check_switch_jump_warnings.
18896         (c_finish_case): Don't test blocked_stmt_expr field.  Call
18897         c_release_switch_bindings.
18898         (c_begin_stmt_expr): Don't increment blocked_stmt_expr in
18899         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
18900         set label_context_stack_se.  Call c_bindings_start_stmt_expr.
18901         (c_finish_stmt_expr): Don't decrement blocked_stmt_expr in
18902         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
18903         set label_context_stack_se.  Call c_bindings_end_stmt_expr.
18904         (c_begin_vm_scope, c_end_vm_scope): Don't define.
18905         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR): Don't define.
18906         (C_DECL_UNDEFINABLE_STMT_EXPR): Don't define.
18907         (C_DECL_UNJUMPABLE_VM): Don't define.
18908         (C_DECL_UNDEFINABLE_VM): Don't define.
18909         (struct c_label_list): Don't define.
18910         (struct c_label_context_se): Don't define.
18911         (struct c_label_context_vm): Don't define.
18912         (struct c_spot_bindings): Declare.
18913         (c_bindings_start_stmt_expr): Declare.
18914         (c_bindings_end_stmt_expr): Declare.
18915         (lookup_label_for_goto): Declare.
18916         (c_get_switch_bindings, c_release_switch_bindings): Declare.
18917         (c_check_switch_jump_warnings): Declare.
18918         (label_context_stack_se, label_context_stack_vm): Don't declare.
18919         (c_finish_goto_label): Update declaration.
18920         (c_begin_vm_scope, c_end_vm_scope): Don't declare.
18921         * doc/invoke.texi (Option Summary): Mention -Wjump-misses-init.
18922         (Warning Options): Document -Wjump-misses-init.
18923
18924 2009-06-15  Jakub Jelinek  <jakub@redhat.com>
18925
18926         * tree-object-size.c (addr_object_size): Fix a pasto in the last
18927         change.
18928
18929 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
18930
18931         * cgraph.c (cgraph_make_node_local): Use DECL_COMDAT_GROUP.
18932
18933 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
18934
18935         * except.c (init_eh): Use BUILTINS_LOCATION when calling build_decl.
18936
18937 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
18938
18939         * tree-eh.c (lower_try_finally_switch): Initialize tf_loc.
18940
18941 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
18942
18943         * cgraphunit.c (cgraph_function_versioning,save_inline_function_body):
18944         Use DECL_COMDAT_GROUP instead of DECL_ONE_ONLY.
18945         * cgraph.c (cgraph_create_virtual_clone): Use DECL_COMDAT_GROUP.
18946         * config/i386/i386.c (ix86_file_end): Compute DECL_COMDAT_GROUP.
18947         * dwarf2asm.c (dw2_force_const_mem): Update call to
18948         make_decl_one_only.
18949         * langhooks-def.h (lhd_comdat_group, LANG_HOOKS_COMDAT_GROUP): Remove.
18950         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_COMDAT_GROUP.
18951         * langhooks.c (lhd_comdat_group): Remove.
18952         * langhooks.h (lang_hooks_for_decls): Remove comdat_group.
18953         * tree.h (DECL_COMDAT_GROUP): New.
18954         (DECL_ONE_ONLY): Use DECL_COMDAT_GROUP.
18955         (tree_decl_with_vis): Add comdat_group. Remove one_only.
18956         (make_decl_one_only): Change signature.
18957         * varasm.c (get_emutls_init_templ_addr, emutls_decl): Update call to
18958         make_decl_one_only.
18959         (make_decl_one_only): Change signature.
18960         (default_elf_asm_named_section): Use DECL_COMDAT_GROUP.
18961
18962 2009-06-15  Richard Guenther  <rguenther@suse.de>
18963
18964         PR middle-end/40439
18965         * tree.c (widest_int_cst_value): Fix bootstrap on 32bit HWI hosts.
18966
18967 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
18968
18969         * tree-ssa-math-opts.c: Remove extra divide.
18970
18971 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
18972
18973         * config/s390/s390.md ("bswap<mode>2"): Only available on z900.
18974
18975 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
18976
18977         * passes.c: Add bswap pass.
18978         * tree-pass.h: Add pass_optimize_bswap declaration.
18979         * tree-ssa-math-opts.c: Include diagnostics.h for print_gimple_stmt.
18980         Include rtl.h, expr.h and optabs.h for optab_handler check.
18981         (struct symbolic_number, pass_optimize_bswap): New definition.
18982         (do_shift_rotate, verify_symbolic_number_p): New functions.
18983         (find_bswap_1, find_bswap, execute_optimize_bswap): New functions.
18984         (gate_optimize_bswap): New function.
18985         * tree.c (widest_int_cst_value): New function.
18986         * tree.h (widest_int_cst_value): Prototype added.
18987
18988 2009-06-14  Steven Bosscher  <steven@gcc.gnu.org>
18989
18990         * cfgcleanup.c (old_insns_match_p): Remove code to substitute
18991         REG_EQUAL/REG_EQUIV notes.
18992
18993 2009-06-14  Richard Guenther  <rguenther@suse.de>
18994
18995         PR middle-end/40389
18996         * gimple.c (walk_stmt_load_store_addr_ops): The LHS of a call
18997         has its address taken if NRV was applied and it is addressable.
18998         * tree-ssa-structalias.c (get_constraint_for_address_of): New
18999         function split out from ...
19000         (get_constraint_for_1): ... here.
19001         (handle_rhs_call): Use it to mark the return slot escaped if
19002         it is addressable and NRV was applied.
19003
19004 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
19005
19006         * config/rs6000/rs6000-protos.h (altivec_resolve_overloaded_builtin):
19007         Change first argument type to location_t.
19008         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Same.
19009         Do not set input_location.
19010         Use loc instead of input_location throughout.
19011
19012 2009-06-13  Richard Guenther  <rguenther@suse.de>
19013
19014         PR tree-optimization/40421
19015         * tree-predcom.c (should_unroll_loop_p): Remove.
19016         (tree_predictive_commoning_loop): Use can_unroll_loop_p.
19017
19018 2009-06-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
19019
19020         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
19021         Add location argument.
19022
19023 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
19024
19025         * config/alpha/alpha.c (alpha_build_builtin_va_list): Pass location to
19026         build_decl.
19027         * config/s390/s390.c (s390_build_builtin_va_list): Same.
19028         (s390_gimplify_va_arg): Pass location to create_artificial_label.
19029         * config/spu/spu-protos.h: Add location to
19030         spu_resolve_overloaded_builtin.
19031         * config/spu/spu.c (spu_build_builtin_va_list): Pass location to
19032         spu_build_builtin_va_list.
19033         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Add location
19034         argument.  Pass location to build_function_call_vec.
19035         * config/sh/sh.c (sh_build_builtin_va_list): Pass location to
19036         build_decl.
19037         (emit_fpu_switch): Same.
19038         (sh_gimplify_va_arg_expr): Pass location to create_artificial_label.
19039         * config/xtensa/xtensa.c (xtensa_build_builtin_va_list): Pass location
19040         to build_decl and create_artificial_label.
19041         (xtensa_gimplify_va_arg_expr): Same.
19042         * config/stormy16/stormy16.c (xstormy16_build_builtin_va_list): Same.
19043         (xstormy16_gimplify_va_arg_expr): Same.
19044         * config/iq2000/iq2000.c (iq2000_expand_prologue): Same.
19045         * config/arm/arm.c (arm_build_builtin_va_list): Same.
19046         * config/mips/mips.c (mips_build_builtin_va_list): Same.
19047         (mips16_build_function_stub): Same.
19048         (mips16_build_call_stub): Same.
19049
19050 2009-06-13  Richard Earnshaw  <rearnsha@arm.com>
19051
19052         PR target/40327
19053         * arm/constraints.md (Pa, Pb): New constraints.
19054         * arm/arm.md (thumb1_addsi3): Support more complex additions.  Add a
19055         split pattern to deal with them.
19056
19057 2009-06-13  Joerg Sonnenberger  <joerg@britannica.bec.de>
19058
19059         * doc/invoke.texi: Add missing option -Wp,OPTION in list,
19060         fix index entry for -Xpreprocessor.
19061
19062 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
19063
19064         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
19065         Add location argument to build_decl call.
19066         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Same.
19067         (rs6000_init_builtins): Same.
19068         (spe_init_builtins): Same.
19069         (rs6000_gimplify_va_arg): Add location argument to
19070         create_artificial_label call.
19071
19072 2009-06-12  Steven Bosscher  <steven@gcc.gnu.org>
19073
19074         * timevar.def (TV_COMBINE_STACK_ADJUST): New timevar.
19075         * combine-stack-adj.c (pass_stack_adjustments): Use it.
19076         * Makefile.in: Fix GGC dependency for gcse.o.
19077
19078 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
19079
19080         * tree-pretty-print.c (dump_generic_node): Dump column numbers.
19081         * gimple-pretty-print.c (dump_gimple_stmt): Same.
19082         * gimplify.c (gimplify_modify_expr): Set location for GIMPLE_ASSIGNs
19083         created.
19084         * c-parser.c (c_parser_binary_expression): Use current column while
19085         building binary operations.
19086         * common.opt (fshow-column): Enable by default.
19087         * tree-vrp.c (check_array_ref): Use warning_at.
19088         (check_array_bounds): Use location from call back if expr has no
19089         location.
19090         * tree.h: Add location argument to maybe_fold_*.
19091         * tree-ssa-ccp.c (ccp_fold): Pass location to maybe_fold_*.
19092         (maybe_fold_offset_to_array_ref): Add location argument and use it.
19093         (maybe_fold_offset_to_component_ref): Same.
19094         (maybe_fold_offset_to_reference): Same.
19095         (maybe_fold_offset_to_address): Same.
19096         (maybe_fold_stmt_indirect): Same.
19097         (maybe_fold_stmt_addition): Same.
19098         (fold_stmt_r): Pass location to maybe_fold_*.
19099         (fold_gimple_assign): Same.
19100         * c-tree.h: Add location argument to finish_decl,
19101         default_function_array_conversion, store_init_value.
19102         * c-decl.c (define_label): Use error_at.
19103         (c_make_fname_decl): Pass location to finish_decl.
19104         (finish_decl): New location argument.
19105         (build_compound_literal): Pass location to store_init_value.
19106         (grokdeclarator): Pass location to finish_decl.
19107         (grokfield): Same.
19108         * c-typeck.c (array_to_pointer_conversion): New location argument.
19109         (function_to_pointer_conversion): Same.
19110         (default_function_array_conversion): Same.
19111         (parser_build_unary_op): Pass location to overflow_warning.
19112         (parser_build_binary_op): Same.  Use warning_at.
19113         (build_unary_op): Pass location to array_to_pointer_conversion.
19114         (build_c_cast): Pass location to digest_init.
19115         (build_modify_expr): New location argument.
19116         (convert_for_assignment): Same.
19117         (store_init_value): Same.
19118         (digest_init): Same.
19119         (output_init_element): Pass location to digest_init and
19120         array_to_pointer_conversion.
19121         (c_finish_return): Pass location to convert_for_assignment.
19122         * gimplify.c (gimplify_conversion): Pass location to
19123         maybe_fold_offset_to_address.
19124         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Pass location
19125         to maybe_fold_stmt_addition.
19126         * c-omp.c (c_finish_omp_atomic): Pass new location to
19127         build_modify_expr.
19128         (c_finish_omp_for): Same.
19129         * c-common.c (overflow_warning): New argument.
19130         * c-common.h: New argument to build_modify_expr, overflow_warning.
19131         * c-parser.c (c_parser_declaration_or_fndef): Pass location to
19132         finish_decl.
19133         (c_parser_initializer): Pass location to
19134         default_function_array_conversion.
19135         (c_parser_initelt): Same.
19136         (c_parser_initval): Same.
19137         (c_parser_asm_operands): Same.
19138         (c_parser_expr_no_commas): Same.  Pass location to build_modify_expr.
19139         (c_parser_conditional_expression): Same.
19140         (c_parser_binary_expression): Add location info to stack.  Use it.
19141         (c_parser_unary_expression): Pass location to
19142         default_function_array_conversion, parser_build_unary_op,
19143         build_indirect_ref, c_parser_postfix_expression_after_primary.
19144         (c_parser_postfix_expression_after_primary): New location argument.
19145         Use it.
19146         (c_parser_expression_conv): Pass location to
19147         default_function_array_conversion.
19148         (c_parser_expr_list): Same.
19149         (c_parser_omp_atomic): Same.
19150         (c_parser_omp_for_loop): Same.
19151         * c-tree.h (struct c_declarator): Add comment to id_loc.
19152         (build_array_declarator): New argument.
19153         * c-decl.c (build_array_declarator): Add location argument.
19154         (grokdeclarator): Set id_loc for cdk_array.
19155         * c-parser.c (c_parser_direct_declarator_inner): Pass location to
19156         build_array_declarator.
19157         * tree.c (build_omp_clause): Add location argument.
19158         * tree.h (OMP_CLAUSE_HAS_LOCATION): New macro.
19159         (OMP_CLAUSE_LOCATION): New macro.
19160         (struct tree_omp_clause): Add location field.
19161         (build_omp_clause): Add argument.
19162         * cp/pt.c (tsubst_omp_for_iterator): Pass location to
19163         build_omp_clause.
19164         * cp/parser.c (cp_parser_omp_var_list_no_open): Same.
19165         (cp_parser_omp_clause_collapse): Same.
19166         (cp_parser_omp_clause_default): Same.
19167         (cp_parser_omp_clause_if): Same.
19168         (cp_parser_omp_clause_nowait): Same.
19169         (cp_parser_omp_clause_num_threads): Same.
19170         (cp_parser_omp_clause_ordered): Same.
19171         (cp_parser_omp_clause_schedule): Same.
19172         (cp_parser_omp_clause_untied): Same.
19173         (cp_parser_omp_for_loop): Same.
19174         (cp_parser_omp_parallel): Pass location to c_split_parallel_clauses.
19175         * c-tree.h (c_start_case): Add location argument.
19176         (c_process_expr_stmt): Same.
19177         (c_finish_goto_*): Same.
19178         * tree-parloops.c (initialize_reductions): Pass location to
19179         build_omp_clause.
19180         (create_parallel_loop): Same.
19181         * fortran/trans-openmp.c (gfc_trans_omp_variable_list): Same.
19182         (gfc_trans_omp_reduction_list): Same.
19183         (gfc_trans_omp_clauses): Same.
19184         (gfc_trans_omp_do): Same.
19185         * c-typeck.c (c_finish_goto_label): Same.
19186         (c_finish_goto_ptr): New location argument.
19187         (c_start_case): Same.
19188         (emit_side_effect_warnings): Same.
19189         (c_process_expr_stmt): Same.
19190         (c_finish_stmt_expr): Same.
19191         (c_finish_omp_clauses): Use error_at instead of error.
19192         * gimplify.c (gimplify_adjust_omp_clauses_1): Pass location to
19193         build_omp_clause.
19194         * c-omp.c (c_split_parallel_clauses): New location argument.
19195         * tree-nested.c (convert_nonlocal_reference_stmt): Pass location
19196         to build_omp_clause.
19197         (convert_local_reference_stmt): Same.
19198         (convert_gimple_call): Same.
19199         * c-common.h (c_split_parallel_clauses): New argument.
19200         * c-parser.c (c_parser_statement_after_labels): Pass location to
19201         c_finish_goto_label.
19202         (c_parser_switch_statement): Pass location to c_start_case.
19203         (c_parser_for_statement): Pass location to c_finish_expr_stmt,
19204         and c_process_expr_stmt.
19205         (c_parser_omp_variable_list): Add location argument.
19206         (c_parser_omp_clause_collapse): Pass location to build_omp_clause.
19207         (c_parser_omp_clause_default): Same.
19208         (c_parser_omp_clause_if): Same.
19209         (c_parser_omp_clause_num_threads): Same.
19210         (-c_parser_omp_clause_ordered): Same.
19211         (c_parser_omp_clause_reduction): Pass location to
19212         c_parser_omp_variable_list.
19213         (c_parser_omp_clause_schedule): Pass location to build_omp_clause.
19214         (c_parser_omp_clause_untied): Same.
19215         (c_parser_omp_for_loop): Pass location to c_process_expr_stmt.
19216         (c_parser_omp_parallel): Pass location to c_split_parallel_clauses.
19217
19218         * c-tree.h (check_for_loop_decls, undeclared_variable,
19219         build_component_ref, build_array_ref, build_external_ref,
19220         c_expr_sizeof_expr, c_expr_sizeof_type, parser_build_unary_op,
19221         build_conditional_expr, build_compound_expr, c_cast_expr,
19222         build_c_cast, build_asm_expr, c_end_compound_stmt, c_finish_stmt_expr,
19223         c_finish_return, c_finish_omp_parallel, c_finish_omp_task): New
19224         argument.
19225         * c-semantics.c (build_stmt): Same.
19226         (build_case_label): Same.
19227         * c-decl.c (c_finish_incomplete_decl): Pass location on down.
19228         (undeclared_variable): New argument.
19229         (make_label): Same.
19230         (lookup_label): Pass location on down.
19231         (define_label): Same.
19232         (finish_decl): Same.
19233         (build_compound_literal): Same.
19234         (finish_struct): Same.
19235         (finish_function): Do not set location here.
19236         (check_for_loop_decls): New argument.
19237         * tree.c (save_expr): Set location.
19238         (build_empty_stmt): New argument.
19239         * tree.h (build_empty_stmt): New argument to build_empty_stmt.
19240         (CAN_HAVE_LOCATION_P): Make sure we have a non empty node.
19241         * builtins.c (gimplify_va_arg_expr): Use locations.
19242         (expand_builtin_sync_operation): Same.
19243         * c-typeck.c (build_component_ref): New argument.
19244         (build_array_ref): Same.
19245         (build_external_ref): Same.
19246         (c_expr_sizeof_expr): Same.
19247         (c_expr_sizeof_type): Same.
19248         (parser_build_unary_op): Same.
19249         (build_conditional_expr): Same.
19250         (build_compound_expr): Pass location on down.
19251         (build_compound_expr): New argument.
19252         (build_c_cast): Same.
19253         (c_cast_expr): Same.
19254         (build_asm_expr): Same.
19255         (c_finish_return): Same.
19256         (c_process_expr_stmt): Pass location on down.
19257         (c_finish_stmt_expr): New argument.
19258         (push_clenaup): Same.
19259         (c_finish_omp_parallel): Same.
19260         (c_finish_omp_task): Same.
19261         * gimplify.c (gimplify_call_expr): Pass location on down.
19262         * c-omp.c (c_finish_omp_master): New argument.
19263         (c_finish_omp_critical): Same.
19264         (c_finish_omp_ordered): Same.
19265         (c_finish_omp_barrier): Same.
19266         (-c_finish_omp_taskwait): Same.
19267         (c_finish_omp_atomic): Same.
19268         (c_finish_omp_flush): Same.
19269         * tree-inline.c (copy_tree_body_r): Pass location on down.
19270         (inline_forbidden_p): Remove use of input_location.
19271         * c-gimplify.c (c_build_bind_expr): New argument.
19272         * c-common.c (c_common_truthvalue_conversion): Pass location on down.
19273         (c_sizeof_or_alignof_type): New argument.
19274         (c_alignof_expr): Same.
19275         (build_va_arg): Same.
19276         (c_add_case_label): Same.
19277         * c-common.h (c_sizeof_or_alignof_type, c_alignof_expr,
19278         c_sizeof, c_alignof, build_va_arg, build_stmt, build_case_label,
19279         c_build_bind_expr, objc_build_selector_expr, objc_build_throw_stmt,
19280         c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered,
19281         c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush,
19282         c_finish_omp_taskwait, c_finish_omp_for, c_split_parallel_clauses):
19283         New argument.
19284         * stub-objc.c (objc_build_selector_expr): Same.
19285         (objc_build_throw_stmt): Same.
19286         * c-parser.c (c_parser_declaration_or_fndef): Pass location on down.
19287         (c_parser_initelt): Same.
19288         (c_parser_compound_statement): Same.
19289         (c_parser_compound_statement_nostart): Same.
19290         (c_parser_label): Same.
19291         (c_parser_statement_after_labels): Same.
19292         (c_parser_if_body): Same.
19293         (c_parser_else_body): Same.
19294         (c_parser_if_statement): Same.
19295         (c_parser_switch_statement): Same.
19296         (c_parser_while_statement): Same.
19297         (c_parser_do_statement): Same.
19298         (c_parser_for_statement): Same.
19299         (c_parser_asm_statement): Same.
19300         (c_parser_conditional_expression): Same.
19301         (c_parser_binary_expression): Same.
19302         (c_parser_cast_expression): Same.
19303         (c_parser_unary_expression): Same.
19304         (c_parser_sizeof_expression): Same.
19305         (c_parser_alignof_expression): Same.
19306         (c_parser_postfix_expression): Same.
19307         (c_parser_expression): Same.
19308         (c_parser_objc_receiver): Same.
19309         (c_parser_omp_variable_list): Same.
19310         (c_parser_omp_structured_block): Same.
19311         (c_parser_omp_atomic): New argument.
19312         (c_parser_omp_barrier): Same.
19313         (c_parser_omp_critical): Same.
19314         (c_parser_omp_flush): Pass location on down.
19315         (c_parser_omp_for_loop): New argument.
19316         (c_parser_omp_for): Same.
19317         (c_parser_omp_master): Same.
19318         (c_parser_omp_ordered): Same.
19319         (c_parser_omp_sections_scope): Same.
19320         (c_parser_omp_sections): Same.
19321         (c_parser_omp_parallel): Same.
19322         (c_parser_omp_single): Same.
19323         (c_parser_omp_task): Same.
19324         (c_parser_omp_taskwait): Pass location on down.
19325         (c_parser_omp_construct): Same.
19326         (c_parser_omp_threadprivate): Same.
19327         * dwarf2asm.c, targhooks.c, optabs.c, tree.c, tree.h, target.h,
19328         builtins.c, omp-low.c, cgraphunit.c, tree-call-cdce.c,
19329         tree-ssa-alias.c, gimple-low.c, c-tree.h, expr.c, tree-parloops.c,
19330         c-decl.c, tree-eh.c, langhooks.c, function.c, stor-layout.c,
19331         c-typeck.c, gimplify.c, c-pragma.c, expmed.c, except.c, coverage.c,
19332         emit-rtl.c, cfgexpand.c, tree-mudflap.c, varasm.c, tree-nested.c,
19333         rtl.h, tree-inline.c, tree-profile.c, c-common.c, c-common.h,
19334         tree-switch-conversion.c, tree-cfg.c, ipa-struct-reorg.c, c-parser.c,
19335         config/i386/i386.c, stmt.c:
19336         Add location argument to the following function definitions and/or
19337         function calls: build_decl, objcp_start_struct, objcp_finish_struct,
19338         start_struct, finish_struct, PUSH_FIELD, create_artificial_label,
19339         cp_make_fname_decl, pushtag, implicitly_declare, c_make_fname_decl,
19340         build_compound_literal, parser_xref_tag, resolve_overloaded_builtin,
19341         do_case, c_finish_bc_stmt, build_compound_literal,
19342         build_function_call.
19343         * c-decl.c (build_compound_literal): Add location argument.
19344         Make all diagnostic calls use location.
19345         (start_struct): Same.
19346         (finish_struct): Same.
19347         (start_enum): Same.
19348         (build_enumerator): Same.
19349         (start_function): Same.
19350         (grokdeclarator): Make all diagnostic calls use location.
19351         (store_parm_decls_oldstyle): Same.
19352         * c-typeck.c (build_function_call): Add location argument.
19353         Make all diagnostic calls use location.
19354         (do_case): Same.
19355         (c_finish_bc_stmt): Same.
19356         * tree-nested.c (get_trampoline_type): Add argument.
19357         Pass location to build_decl.
19358         (lookup_tramp_for_decl): Pass location to get_trampoline_type.
19359         * rtl.h (RTL_LOCATION): New.
19360         * c-common.c (c_add_case_label): Add location argument.
19361         Make all diagnostic calls use location.
19362         * c-common.h: Add location argument to make_fname_decl, do_case,
19363         c_add_case_label, build_function_call, resolve_overloaded_builtin.
19364         * c-parser.c (c_parser_enum_specifier): Rename ident_loc to enum_loc.
19365         Set it appropriately for every case.  Pass enum_loc to start_enum
19366         call.  Pass value_loc first to build_enumerator.  Pass enum_loc to
19367         parser_xref_tag.
19368         (c_parser_struct_or_union_specifier): Save location.  Use it for
19369         start_struct, finish_struct, and parser_xref_tag.
19370
19371 2009-06-12  Ian Lance Taylor  <iant@google.com>
19372
19373         * fold-const.c (fold_unary): Rename local variable and to and_expr.
19374
19375         * c-opts.c (c_common_handle_option): For -Wc++-compat set
19376         cpp_opts->warn_cxx_operator_names.
19377
19378 2009-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
19379
19380         PR tree-opt/38865
19381         * tree-ssa-sccvn.c (visit_reference_op_load): If vn_reference_lookup
19382         is returns NULL and OP is a VCE, look through the VCE.
19383
19384 2009-06-12  Ian Lance Taylor  <iant@google.com>
19385
19386         PR bootstrap/40430
19387         * collect2.c (main): Use CONST_CAST2 in code inside #if
19388         LINK_ELIMINATE_DUPLICATE_LDIRECTORIES.
19389
19390 2009-06-12  Joey Ye  <joey.ye@intel.com>
19391
19392         PR middle-end/39146
19393         * cfgexpand.c (get_decl_align_unit): Update
19394         max_used_stack_slot_alignment with align instead of
19395         stack_alignment_needed.
19396
19397         * function.c (assign_stack_local_1): Update
19398         max_used_stack_slot_alignment with alignment_in_bits instead
19399         of stack_alignment_needed.
19400         (locate_and_pad_parm): Don't update max_used_stack_slot_alignment
19401         here.
19402
19403 2009-06-12  Jakub Jelinek  <jakub@redhat.com>
19404
19405         * dwarf2out.c (last_var_location_insn): New variable.
19406         (dwarf2out_end_epilogue): Clear last_var_location_insn.
19407         (dwarf2out_var_location): Don't record anything after last real
19408         insn.  Only change labels if there were any real instructions
19409         in between last note and this one, or if changed sections.
19410
19411 2009-06-11  Richard Henderson  <rth@redhat.com>
19412
19413         * alpha.c (alpha_expand_prologue): Add a REF_CFA_REGISTER
19414         note when storing the frame pointer in a register.
19415         (FRP): Don't redefine to nothing for epilogue.
19416         (alpha_expand_epilogue): Mark register and sp restores.
19417         (unicosmk_gen_dsib): Don't mark weird frame pointer adjust.
19418
19419         * config/alpha/alpha.c (alpha_emit_setcc): Fix test for
19420         when gen_lowpart is needed.
19421
19422 2009-06-11  Richard Henderson  <rth@redhat.com>
19423
19424         * dwarf2out.c (def_cfa_1): Likewise for DW_CFA_cfa_offset.
19425
19426         * dwarf2out.c (need_data_align_sf_opcode): New.
19427         (div_data_align): Move earlier.
19428         (def_cfa_1, reg_save): Use it.
19429
19430 2009-06-11  H.J. Lu  <hongjiu.lu@intel.com>
19431
19432         * config/i386/i386.c (OPTION_MASK_ISA_CRC32_SET): New.
19433         (OPTION_MASK_ISA_CRC32_UNSET): Likewise.
19434         (ix86_handle_option): Handle OPT_mcrc32.
19435         (ix86_target_string): Add -mcrc32.
19436         (bdesc_args): Enable crc32 builtins with OPTION_MASK_ISA_CRC32.
19437
19438         * config/i386/i386.h (TARGET_CRC32): New.
19439
19440         * config/i386/i386.md (sse4_2_crc32<mode>): Also check TARGET_CRC32.
19441         (sse4_2_crc32di): Likewise.
19442
19443         * config/i386/i386.opt (mcrc32): New.
19444
19445         * doc/invoke.texi: Document -mcrc32.
19446
19447 2009-06-11  Richard Henderson  <rth@redhat.com>
19448
19449         * common.opt (gdwarf-): Accept a version number.
19450         * doc/invoke.texi (gdwarf-): Update docs.
19451         * opth-gen.awk: Special case -gdwarf+ to OPT_gdwarfplus.
19452         * opts.c (common_handle_option) [OPT_gdwarf_]: Verify dwarf
19453         version level, and record it.
19454
19455         * dwarf2.h (DW_CIE_VERSION): Remove.
19456         * dwarf2out.c (DWARF_VERSION): Remove.
19457         (add_fde_cfi): Skip DW_CFA_set_loc addition for dwarf3.
19458         (output_call_frame_info): Use CIE version 3 for dwarf3,
19459         or if the return register column is out of range for version 1.
19460         (dwarf_stack_op_name): Add all dwarf3 values.
19461         (DEBUG_PUBTYPES_SECTION): New.
19462         (size_of_die) [dw_val_class_die_ref]: Handle DW_FORM_ref_addr
19463         encoding change for dwarf3.
19464         (output_die) [dw_val_class_die_ref]: Likewise.
19465         (output_compilation_unit_header): Emit correct version for dwarf3.
19466         (output_line_info): Likewise.
19467         (output_pubnames): Update for DWARF_VERSION removal.
19468         (output_aranges): Likewise.
19469         (gen_subprogram_die): Emit DW_OP_call_frame_cfa if emitting dwarf3.
19470         (dwarf2out_init): Don't ifdef DEBUG_PUBTYPES_SECTION.
19471         (dwarf2out_finish): Likewise.
19472
19473 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
19474
19475         * system.h (gcc_assert, gcc_unreachable): Revert accidental commit
19476         in r148403.
19477
19478 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
19479
19480         PR c/39252
19481         * doc/extend.texi ( __builtin_unreachable): Document new builtin.
19482         * builtins.c (expand_builtin_unreachable): New function.
19483         (expand_builtin): Handle BUILT_IN_UNREACHABLE case.
19484         * builtins.def (BUILT_IN_UNREACHABLE): Add new builtin.
19485         * cfgcleanup.c (try_optimize_cfg): Delete empty blocks with no
19486         successors.
19487         * cfgrtl.c (rtl_verify_flow_info): Handle empty blocks when
19488         searching for missing barriers.
19489
19490 2009-06-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
19491
19492         * config/darwin.h (LINK_COMMAND_SPEC): Adjust spec to link libcov
19493         when -fprofile-generate* was passed.
19494         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
19495
19496 2009-06-11  Anthony Green  <green@moxielogic.com>
19497
19498         * config/moxie/moxie.md: Define length attribute for all instructions.
19499         (rCC): Define.
19500         (*b<cond:code>): Support limited branch ranges for new PC-relative
19501         branch instructions.
19502         * config/moxie/moxie.h (HAS_LONG_UNCOND_BRANCH): Define.
19503
19504 2009-06-11  Jakub Jelinek  <jakub@redhat.com>
19505
19506         * config/i386/i386.c (min_insn_size): Use get_attr_length
19507         for normal insns other than TYPE_MULTI, TYPE_OTHER and TYPE_FCMP.
19508         For __asm return 0.
19509
19510         * config/i386/i386.c (ix86_pad_returns): Use emit_jump_insn_before
19511         instead of emit_insn_before.
19512
19513 2009-06-10  Ian Lance Taylor  <iant@google.com>
19514
19515         PR bootstrap/40408
19516         * graphite.c (add_conditions_to_domain): Change SWITCH_EXPR to
19517         GIMPLE_SWITCH.
19518
19519 2009-06-10  Revital Eres  <eres@il.ibm.com>
19520
19521         * passes.c (init_optimization_passes): Reschedule
19522         predictive-commoning pass before complete unroll pass.
19523
19524 2009-06-10  Martin Jambor  <mjambor@suse.cz>
19525
19526         * cgraph.c (cgraph_node_can_be_local_p): New function.
19527         (cgraph_make_node_local): New function.
19528         * cgraph.h (cgraph_node_can_be_local_p): Declare.
19529         (cgraph_make_node_local): Declare.
19530
19531 2009-06-10  Nathan Froyd  <froydnj@codesourcery.com>
19532
19533         * tree.h (tree_base): Add packed_flag and user_align fields.
19534         Decrease size of spare field.
19535         (TYPE_USER_ALIGN): Use user_align from tree_base.
19536         (DECL_USER_ALIGN): Likewise.
19537         (TYPE_PACKED): Use packed_flag from tree_base.
19538         (DECL_PACKED): Likewise.
19539         (tree_type): Delete packed_flag and user_align fields.  Widen
19540         precision field.  Widen mode field and shuffle fields to align
19541         mode on an 8-bit boundary.
19542         (tree_decl_common): Delete decl_flag_1 and user_align fields.
19543         Renumber decl_flag_* fields.  Fix comments.  Widen
19544         decl_common_unused field.
19545         (DECL_HAS_VALUE_EXPR_P): Adjust for renumbering of decl_flag_* fields.
19546         (DECL_EXTERNAL): Likewise.
19547         (DECL_BIT_FIELD): Likewise.
19548         (DECL_NONADDRESSABLE_P): Likewise.
19549         (TYPE_DECL_SUPRESS_DEBUG): Likewise.
19550         * config/arm/arm-modes.def (XImode): Make it an INT_MODE.
19551
19552 2009-06-10  Ian Lance Taylor  <iant@google.com>
19553
19554         * vec.h (DEF_VEC_ALLOC_I): Use DEF_VEC_NONALLOC_FUNCS_I.
19555         (DEF_VEC_ALLOC_P): Use DEF_VEC_NONALLOC_FUNCS_P.
19556         (DEF_VEC_ALLOC_O): Use DEF_VEC_NONALLOC_FUNCS_O.
19557         (DEF_VEC_ALLOC_FUNC_P): Only define VEC_OP (T,A,alloc).
19558         (DEF_VEC_NONALLOC_FUNCS_P): New macro, broken out of old
19559         DEF_VEC_ALLOC_FUNC_P.
19560         (DEF_VEC_ALLOC_FUNC_O): Only define VEC_OP (T,A,alloc).
19561         (DEF_VEC_NONALLOC_FUNCS_O): New macro, broken out of old
19562         DEF_VEC_ALLOC_FUNC_O.
19563         (DEF_VEC_ALLOC_FUNC_I): Only define VEC_OP (T,A,alloc).
19564         (DEF_VEC_NONALLOC_FUNCS_I): New macro, broken out of old
19565         DEF_VEC_ALLOC_FUNC_I.
19566         (vec_stack_p_reserve, vec_stack_p_reserve_exact): Declare.
19567         (vec_stack_p_reserve_exact_1): Declare.
19568         (vec_stack_o_reserve, vec_stack_o_reserve_exact): Declare.
19569         (vec_stack_free): Declare.
19570         (VEC_stack_alloc): Define.
19571         (DEF_VEC_ALLOC_P_STACK, DEF_VEC_ALLOC_FUNC_P_STACK): Define.
19572         (DEF_VEC_ALLOC_O_STACK, DEF_VEC_ALLOC_FUNC_O_STACK): Define.
19573         (DEF_VEC_ALLOC_I_STACK, DEF_VEC_ALLOC_FUNC_I_STACK): Define.
19574         * vec.c (void_p): New type.  Call DEF_VEC_P and DEF_VEC_ALLOC_P
19575         for void_p.
19576         (stack_vecs): New static variable.
19577         (vec_stack_p_reserve_exact_1): New function.
19578         (vec_stack_o_reserve_1): New static function.
19579         (vec_stack_p_reserve, vec_stack_p_reserve_exact): New functions.
19580         (vec_stack_o_reserve, vec_stack_o_reserve_exact): New functions.
19581         (vec_stack_free): New function.
19582         * df-scan.c (df_ref): Use DEF_VEC_P and DEF_VEC_ALLOC_P_STACK.
19583         (VEC_df_ref_stack_alloc): Define.
19584         (df_mw_hardreg_ptr): New type.  Use DEF_VEC_P and
19585         DEF_VEC_ALLOC_P_STACK.
19586         (VEC_df_mw_hardreg_ptr_stack_alloc): Define.
19587         (struct df_collection_rec): Change _vec fields to VEC.  Remove
19588         _use fields.
19589         (df_free_collection_rec): Adjust for new fields.
19590         (df_insn_rescan): Use new df_collection_rec fields.
19591         (df_notes_rescan, df_canonize_collection_rec): Likewise.
19592         (df_ref_create_structure, df_ref_record): Likewise.
19593         (df_get_conditional_uses, df_get_call_refs): Likewise.
19594         (df_insn_refs_collect, df_bb_refs_collect): Likewise.
19595         (df_bb_refs_record, df_record_entry_block_defs): Likewise.
19596         (df_record_exit_block_uses, df_bb_verify): Likewise.
19597         (df_swap_refs): Change ref_vec parameter to VEC.  Change all callers.
19598         (df_sort_and_compress_refs): Change ref_vec parameter to VEC.
19599         Remove count parameter.  Change return type to void.  Change all
19600         callers.
19601         (df_sort_and_compress_mws): Change mw_vec parameter to VEC.
19602         Remove count parameter.  Change return type to void.  Change all
19603         callers.
19604         (df_install_refs): Change old_vec parameter to VEC.  Remove count
19605         parameter.  Change all callers.
19606         (df_install_mws): Change old_vec parameter to VEC.  Remove count
19607         parameter.  Change all callers.
19608         (df_refs_verify): Change new_rec parameter to VEC.  Change call
19609         callers.
19610         (df_mws_verify): Likewise.
19611
19612 2009-06-10  Alexandre Oliva  <aoliva@redhat.com>
19613
19614         * gcc.c (compare_files): Cast munmap argumento to caddr_t.
19615
19616 2009-06-10  H.J. Lu  <hongjiu.lu@intel.com>
19617
19618         * doc/extend.texi: Add description for __builtin_ia32_crc32di.
19619
19620 2009-06-10  Anthony Green  <green@moxielogic.com>
19621
19622         * config/moxie/crti.asm: New file.
19623         * config/moxie/crtn.asm: New file.
19624         * config/moxie/moxie.c: New file.
19625         * config/moxie/moxie.h: New file.
19626         * config/moxie/sfp-machine.h: New file.
19627         * config/moxie/moxie-protos.h: New file.
19628         * config/moxie/t-moxie: Created.
19629         * config/moxie/t-moxie-softfp: Created.
19630         * config/moxie/moxie.md: Created.
19631         * config/moxie/constraints.md: Created.
19632         * config.gcc: Add moxie support.
19633         * doc/md.texi (Machine Constraints): Add moxie constraints.
19634         * doc/contrib.texi (Contributors): Mention moxie port.
19635         * doc/install.texi (Specific): Mention the moxie port.
19636
19637 2009-06-09  Ian Lance Taylor  <iant@google.com>
19638
19639         * system.h (HAVE_DESIGNATED_INITIALIZERS): Don't define if
19640         compiling with C++.
19641         * optabs.c (optab_table): Only use designated initializers if
19642         HAVE_DESIGNATED_INITIALIZERS is defined.
19643         (convert_optab_table): Likewise.
19644         (init_optabs): Always call init_insn_codes if
19645         HAVE_DESIGNATED_INITIALIZERS is not defined.
19646
19647 2009-06-09  Ian Lance Taylor  <iant@google.com>
19648
19649         * targhooks.c (default_builtin_vectorized_function): Change fn
19650         parameter to unsigned int.
19651         (default_builtin_vectorized_conversion): Change code parameter to
19652         unsigned int.
19653         (default_builtin_reciprocal): Change fn parameter to unsigned int.
19654         * targhooks.h: Update declarations.
19655         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Change code
19656         parameter to unsigned int.
19657
19658         * c-typeck.c (comptypes_check_enum_int): New static function.
19659         (comptypes_internal): Add enum_and_int_p parameter.  Change all
19660         callers.
19661         (comp_target_types): Add location parameter.  Change all callers.
19662         (tagged_types_tu_compatible_p): Add enum_and_int_p parameter.
19663         Change all callers.
19664         (function_types_compatible_p, type_lists_compatible_p): Likewise.
19665         (build_conditional_expr): Add colon_loc parameter.  Change all
19666         callers.
19667         (convert_for_assignment): Add location parameter.  Change all callers.
19668         * c-parser.c (c_parser_conditional_expression): Pass location of
19669         colon to build_conditional_expr.
19670         * c-tree.h (build_conditional_expr): Update declaration.
19671
19672 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
19673
19674         * graphite.c: Revert previous patch.
19675
19676 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
19677
19678         PR bootstrap/40103
19679         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
19680
19681 2009-06-09  Ghassan Shobaki  <ghassan.shobaki@amd.com>
19682
19683         * tree-ssa-loop-prefetch.c
19684         (loop_prefetch_arrays): Fixed a portability problem in printf format
19685         string.
19686
19687 2009-06-09  Martin Jambor  <mjambor@suse.cz>
19688
19689         PR tree-optimization/40351
19690         * tree-sra.c (propagate_subacesses_accross_link): Check that a
19691         refrence to a potential artifical subaccess can be constructed.
19692
19693 2009-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
19694
19695         * config/sh/sh-protos.h (sh_optimization_options): Declare.
19696         (sh_override_options): Likewise.
19697         * config/sh/sh.c: Include params.h.
19698         (sh_optimization_options): New.
19699         (sh_override_options): Likewise.
19700         * config/sh/sh.c (OPTIMIZATION_OPTIONS): Use sh_optimization_options.
19701         (OVERRIDE_OPTIONS): Use sh_override_options.
19702
19703 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
19704
19705         * dwarf2out.c (emit_cfa_remember): New variable.
19706         (add_fde_cfi): If emit_cfa_remember, recurse to add
19707         DW_CFA_remember_state first.
19708         (dwarf2out_begin_epilogue): Don't add_fde_cfi DW_CFA_remember_state,
19709         instead just set emit_cfa_remember.
19710
19711 2009-06-08  Jan Hubicka  <jh@suse.cz>
19712
19713         PR debug/40126
19714         * dwarf2out.c (dwarf2out_abstract_function): Free decl_loc_table.
19715
19716 2009-06-08  Jan Hubicka  <jh@suse.cz>
19717
19718         PR middle-end/39834
19719         * cgraphunit.c (save_inline_function_body): Do not copy transform
19720         hooks for saved inline bodies.
19721         * ipa-passes.c (do_per_function): Do not add the hoks multiple times
19722         for given function.
19723
19724 2009-06-08  Adam Nemet  <anemet@caviumnetworks.com>
19725
19726         * jump.c (returnjump_p): Handle delayed branches.  Add missing
19727         function comment.
19728
19729 2009-06-08  Jan Hubicka  <jh@suse.cz>
19730
19731         PR middle-end/40102
19732         * cgraph.c (cgraph_create_edge_including_clones): Also asume that the
19733         original node might've been modified.
19734         * tree-inline.c (copy_bb): Do not assume that all clones are the same.
19735
19736 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
19737
19738         * tree-object-size.c (addr_object_size): Add OSI argument.
19739         Handle also INDIRECT_REF with SSA_NAME inside of it as base address.
19740         (compute_builtin_object_size, expr_object_size): Adjust callers.
19741         (plus_stmt_object_size): Call addr_object_size instead of
19742         compute_builtin_object_size.
19743
19744 2009-06-08  Ghassan Shobaki  <ghassan.shobaki@amd.com>
19745             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
19746
19747         * tree-ssa-loop-prefetch.c
19748         (gather_memory_references): Introduced a counter for the number of
19749         memory references.
19750         (anything_to_prefetch_p): Introduced a counter for the number of
19751         prefetches.
19752         (is_loop_prefetching_profitable): New function with a cost model
19753         for prefetching.
19754         (loop_prefetch_arrays): Use the new cost model to determine if
19755         prefetching is profitable.
19756         * params.def (MIN_INSN_TO_PREFETCH_RATIO,
19757         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
19758         * params.h (MIN_INSN_TO_PREFETCH_RATIO,
19759         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
19760         * doc/invoke.texi (MIN_INSN_TO_PREFETCT_RATIO,
19761         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
19762
19763 2009-06-08  Michael Matz  <matz@suse.de>
19764
19765         PR debug/40012
19766         * cfgexpand.c (set_rtl): Store place also in DECL_RTL, if all
19767         partitions use the same.
19768         (expand_one_var): Deal with DECL_RTL sometimes begin set also
19769         for basevars of SSA_NAMEs.
19770         (expand_used_vars): Reset TREE_USED for basevars of SSA_NAMEs,
19771         to not expand them twice.
19772         (gimple_expand_cfg): Clear DECL_RTL for those decls that have
19773         multiple places.
19774
19775 2009-06-08  Alexandre Oliva  <aoliva@redhat.com>
19776
19777         * common.opt (fcompare-debug=, fcompare-debug-second): New.
19778         (fdump-final-insns=, gtoggle): New.
19779         * doc/invoke.texi: Document them.
19780         * final.c (rest_of_clean_state): Dump final insn stream.
19781         * gcc.c (invoke_as): Hook in -fcompare-debug.
19782         (static_spec_functions): Add compare-debug-dump-opt,
19783         compare-debug-self-opt and compare-debug-auxbase-opt.
19784         (compare_debug, compare_debug_second, compare_debug_opt): New.
19785         (switches_debug_check, n_switches_debug_check): New.
19786         (debug_auxbase_opt, debug_check_temp_file): New.
19787         (process_command): Handle -fno-compare-debug, -fcompare-debug and
19788         -fcompare-debug=*.
19789         (do_self_spec): Handle arguments after switches.
19790         (do_spec_1): Add .gk extension to temp file basenames for compare.
19791         (check_live_switch): Take SWITCH_IGNORE into account, and earlier.
19792         (cc1_options): Use it instead of normal auxbase computation for
19793         the second compare-debug compilation.
19794         (compare_files): New.
19795         (main): Set up and implement compare debug mode.
19796         (compare_debug_dump_opt_spec_function): New.
19797         (compare_debug_self_opt_spec_function): New.
19798         (compare_debug_auxbase_opt_spec_function): New.
19799         * toplev.c (process_options): Handle flag_gtoggle,
19800         flag_dump_final_insns.
19801         * coverage.c (coverage_begin_output): Don't overwrite .gcno file
19802         during -fcompare-debug-second compilation.
19803
19804 2009-06-07  Ian Lance Taylor  <iant@google.com>
19805
19806         * dwarf2.h (enum dwarf_location_atom): Add INTERNAL_DW_OP_tls_addr.
19807         * dwarf2out.c (INTERNAL_DW_OP_tls_addr): Don't #define.
19808
19809         * c-common.c (c_do_switch_warnings): Don't exit early for -Wswitch
19810         with no default node.  Change warning with %H to warning_at.
19811         Don't clear warn_switch around case checking.
19812         * doc/invoke.texi (Warning Options): Clarify distinction between
19813         -Wswitch and -Wswitch-enum.
19814
19815 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
19816
19817         * tree-pass.h (TODO_update_ssa_any): Document internal use only.
19818
19819 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
19820
19821         * gbl-ctors.h: Add header guard.
19822
19823 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
19824
19825         * tree-flow.h (make_value_handle, set_value_handle, sort_vuses,
19826         sort_vuses_heap, vn_lookup_or_add, vn_lookup_or_add_with_stmt,
19827         vn_lookup_or_add_with_vuses, vn_add, vn_add_with_vuses,
19828         vn_lookup_with_stmt, vn_lookup, vn_lookup_with_vuses): Remove
19829         prototypes for removed functions.
19830         (expressions_equal_p): Move to ...
19831         * tree-ssa-sccvn.h: ... here and ...
19832         * matrix-reorg.c: ... adjust includes.
19833
19834 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
19835
19836         * ipa-struct-reorg.c (do_reorg_1): Fix whitespace in dump output.
19837
19838 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
19839
19840         * c-decl.c (finish_decl): Use bool for variable was_incomplete.
19841         (finish_function): Remove erroneous whitespace.
19842
19843 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
19844
19845         * tree-cfg.c (gimple_merge_blocks): Commentary typo fix.
19846         (verify_stmts): Print statement who's gimple_bb is set to a wrong BB
19847
19848 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
19849
19850         * errors.c (internal_error): Commentary typo fix.
19851         * gimple-iterator.c (gsi_insert_seq_on_edge): Ditto.
19852         * tree-ssa-pre.c: Ditto.
19853
19854 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
19855
19856         * basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of
19857         them is supposed to hold actual statements.
19858
19859 2009-06-06  Ian Lance Taylor  <iant@google.com>
19860
19861         * doc/extend.texi (Attribute Syntax): Document that C++ labels on
19862         empty statements can now have attributes.
19863
19864 2009-06-05  Shujing Zhao  <pearly.zhao@oracle.com>
19865
19866         * config/mips/mips.c: Use REG_P and CONST_INT_P where applicable.
19867         * config/mips/mips.md: Ditto.
19868
19869 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
19870
19871         * config/rs6000/eabi.asm (__eabi_convert): Don't define if
19872         _RELOCATABLE.
19873         (__eabi_uconvert): Likewise.
19874
19875 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
19876
19877         * config/rs6000/ppc-asm.h: Protect auto-host.h inclusion and
19878         CFI_* definitions with IN_GCC.
19879
19880 2009-06-05  David Edelsohn  <edelsohn@gnu.org>
19881
19882         * xcoffout.h (xcoffout_source_line): Update prototype.
19883
19884 2009-06-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19885
19886         * builtins.c (do_mpc_ckconv, do_mpc_arg1): Use
19887         mpc_realref/mpc_imagref instead of MPC_RE/MPC_IM.
19888
19889 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
19890
19891         PR middle-end/40340
19892         * tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
19893         inlined_function_outer_scope_p blocks for artificial inlines
19894         even at -g0/-g1.
19895         * tree.c (tree_nonartificial_location): Rewrite using
19896         block_nonartificial_location.
19897
19898 2009-06-05  Revital Eres  <eres@il.ibm.com>
19899             Leehod Baruch  <leehod@il.ibm.com>
19900
19901         * expr.c (expand_assignment): Expand MISALIGNED_INDIRECT_REF.
19902         (expand_expr_real_1): Remove comment.
19903         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
19904         Vectorize misaligned access when the target supports it.
19905         (vect_supportable_dr_alignment): Check for unaligned access support.
19906         * tree-vect-stmts.c (vectorizable_store): Generate misaligned store
19907         and remove asset.
19908
19909 2009-06-05  Julian Brown  <julian@codesourcery.com>
19910
19911         * config/arm/ieee754-df.S (cmpdf2): Avoid writing below SP.
19912         * config/arm/ieee754-sf.S (cmpsf2): Likewise.
19913
19914 2009-06-05  Richard Guenther  <rguenther@suse.de>
19915
19916         PR bootstrap/40350
19917         * dwarf2out.c (dwarf2out_begin_function): Mark discriminator
19918         as possibly unused.
19919
19920 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
19921
19922         * config/s390/s390.c (global_not_special_regno_p): New static inline.
19923         (save_gprs): Don't tell unwinder when a global register is saved.
19924         (s390_emit_epilogue): Emit needed epilogue unwind info.
19925
19926 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
19927
19928         * dwarf2out.c (deferred_asm_name): New.
19929         (add_name_and_src_coords_attributes): Defer creation of
19930         DW_AT_MIPS_linkage_name attribute if DECL_ASSEMBLER_NAME was not
19931         computed yet.
19932         (move_linkage_attr): New.
19933         (dwarf2out_finish): Revisit deferrals and emit attributes at the
19934         right place.
19935
19936 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
19937
19938         * tree-nested.c (finalize_nesting_tree_1): Declare the
19939         frame_decl in the binding tree.
19940
19941 2009-06-04  Cary Coutant  <ccoutant@google.com>
19942
19943         * basic-block.h (struct basic_block_def): Add discriminator field.
19944         * dbxout.c (dbxout_source_line): Add new parameter.  Change all
19945         callers.
19946         * debug.c (do_nothing_debug_hooks): Add additional entry.
19947         (debug_nothing_int_charstar_int): New function.
19948         * debug.h (struct gcc_debug_hooks): Add parameter to source_line hook.
19949         (debug_nothing_int_charstar_int): New declaration.
19950         * dwarf2out.c (dwarf2out_source_line): Add new parameter.  Write
19951         discriminator value in .loc directive.
19952         * final.c (last_discriminator): New variable.
19953         (discriminator): New variable.
19954         (final_start_function): Initialize above variables, pass current
19955         discriminator to debug hook.
19956         (notice_source_line): Check for discriminator change.
19957         * gimple-pretty-print.c (dump_bb_header): Print discriminator value.
19958         * sdbout.c (sdbout_source_line): New parameter.
19959         * tree-cfg.c (struct locus_discrim_map): New structure type.
19960         (discriminator_per_locus): New hash table.
19961         (build_gimple_cfg): Allocate and free discriminator hash table.
19962         (make_edges): Call assign_discriminator.
19963         (locus_map_hash): New function.
19964         (locus_map_eq): New function.
19965         (next_discriminator_for_locus): New function.
19966         (same_line_p): New function.
19967         (assign_discriminator): New function.
19968         (make_cond_expr_edges): Call assign_discriminator.
19969         (make_gimple_switch_edges): Likewise.
19970         (first_non_label_stmt): New function.
19971         * vmsdbgout.c (vmsdbgout_source_line): Add new parameter.  Change
19972         all callers.
19973         * xcoffout.c (xcoffout_source_line): Add new parameter.
19974
19975         * configure.ac (gcc_cv_as_discriminator): New configury check for
19976         gas support for discriminator.
19977         * configure: Regenerate.
19978         * config.in: Regenerate.
19979
19980 2009-06-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
19981
19982         * config/arm/arm.c (thumb2_legitimate_index_p): Initialize
19983         val after checking for integers.
19984
19985 2009-06-04  Uros Bizjak  <ubizjak@gmail.com>
19986
19987         * config/i386/i386.h (X86_64_MS_REGPARM_MAX): Rename from
19988         X64_REGPARM_MAX.
19989         (REGPARM_MAX): Use X86_64_MS_REGPARM_MAX.
19990         (X86_64_MS_SSE_REGPARM_MAX): Rename from X64_SSE_REGPARM_MAX.
19991         (SSE_REGPARM_MAX): Use X86_64_MS_SSE_REGPARM_MAX.
19992         * config/i386/i386.c: Use X86_64_MS_REGPARM_MAX instead of
19993         X64_REGPARM_MAX.  Use X86_64_MS_SSE_REGPARM_MAX instead of
19994         X64_SSE_REGPARM_MAX.
19995         * config/i386/i386.md: Use X86_64_MS_SSE_REGPARM_MAX instead of
19996         X64_SSE_REGPARM_MAX.
19997
19998 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
19999
20000         * gcc.c (report_times_to_file): New.
20001         (execute): Implement it.
20002         (process_command): Support -time=.
20003         * doc/invoke.texi: Document it.
20004
20005 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
20006
20007         * tree-ssa-live.c (remove_unused_scope_block_p): Keep variables
20008         that have value exprs.
20009
20010 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
20011
20012         * dwarf2asm.c (dw2_force_const_mem): Defer creation of
20013         declarations for constants until...
20014         (dw2_output_indirect_constant_1): ... this point.
20015
20016 2009-06-04  Richard Earnshaw  <rearnsha@arm.com>
20017
20018         PR target/10242
20019         * arm.md (arm_addsi3): Don't try to split an add with an
20020         eliminable register until after reload has completed.
20021
20022 2009-06-03  Ian Lance Taylor  <iant@google.com>
20023
20024         * dummy-checksum.c (executable_checksum): Use EXPORTED_CONST.
20025         * genattrtab.c (write_length_unit_log): Likewise.
20026         * genchecksum.c (dosum): Likewise.
20027         * gengtype.c (write_rtx_next): Likewise.
20028         (finish_root_table, write_roots): Likewise.
20029         * gimple.c (gimple_ops_offset_): Likewise.
20030         * tree-nomudflap.c (gt_ggc_r_gt_tree_mudflap_h): Likewise.
20031         * config/arc/arc.c (arc_attribute_table): Likewise.
20032         * config/arm/arm.c (arm_attribute_table): Likewise.
20033         * config/avr/avr.c (avr_attribute_table): Likewise.
20034         * config/crx/crx.c (crx_attribute_table): Likewise.
20035         * config/m32r/m32r.c (m32r_attribute_table): Likewise.
20036         * config/m68hc11/m68hc11.c (m68hc11_attribute_table): Likewise.
20037         * config/mcore/mcore.c (mcore_attribute_table): Likewise.
20038         * config/rs6000/rs6000.c (rs6000_attribute_table): Likewise.
20039         * config/sh/sh.c (sh_attribute_table): Likewise.
20040         * config/sparc/sparc.c (sparc_attribute_table): Likewise.
20041         * config/spu/spu.c (spu_attribute_table): Likewise.
20042         * config/v850/v850.c (v850_attribute_table): Likewise.
20043
20044         * config/alpha/alpha.c (vms_attribute_table): Make static.
20045         * config/bfin/bfin.c (bfin_attribute_table): Likewise.
20046         * config/h8300/h8300.c (h8300_attribute_table): Likewise.
20047         * config/mips/mips.c (mips_attribute_table): Likewise.
20048
20049         * Makefile.in (dummy-checksum.o): Depend upon $(CONFIG_H) and
20050         $(SYSTEM_H).
20051         (cc1-checksum.o): Likewise.
20052
20053 2009-06-03  Steve Ellcey  <sje@cup.hp.com>
20054
20055         * config/ia64/vect.md (*movv2sf_internal): Handle big endian case.
20056
20057 2009-06-03  Jakub Jelinek  <jakub@redhat.com>
20058
20059         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Return generated
20060         insn if it is changing sp.  Use gen_add3_insn instead of
20061         conditionally gen_addsi3 and gen_adddi3.
20062         (offset_below_red_zone_p): New static inline function.
20063         (rs6000_emit_epilogue): Emit needed epilogue unwind info.
20064         Use gen_add3_insn instead of conditionally gen_addsi3 and gen_adddi3.
20065         * config/rs6000/ppc-asm.h: Include auto-host.h.
20066         (CFI_STARTPROC, CFI_ENDPROC, CFI_DEF_CFA_REGISTER, CFI_OFFSET,
20067         CFI_RESTORE): Define.
20068         * config/rs6000/crtresxgpr.asm: Add unwind info.
20069         * config/rs6000/crtresxfpr.asm: Likewise.
20070         * config/rs6000/crtresgpr.asm: Likewise.
20071         * config/rs6000/crtresfpr.asm: Likewise.
20072         * config/rs6000/crtsavgpr.asm: Likewise.
20073         * config/rs6000/crtsavfpr.asm: Likewise.
20074
20075         * dwarf2out.c (output_cfi_directive): Pass 1 instead of 0 to second
20076         argument of DWARF2_FRAME_REG_OUT macros.
20077
20078 2009-06-03  Julian Brown  <julian@codesourcery.com>
20079
20080         * config/arm/arm.c (arm_hard_regno_mode_ok): Permit values of four
20081         words or less (including TImode) in core registers.
20082
20083 2009-06-03  Richard Guenther  <rguenther@suse.de>
20084
20085         PR middle-end/40328
20086         * fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.
20087
20088 2009-06-03  Andrey Belevantsev  <abel@ispras.ru>
20089
20090         * statistics.c (statistics_counter_event): Do not record event
20091         in pass dump if its number == -1.
20092         (curr_statistics_hash): Add assert that we never get passes
20093         with static number == -1.
20094
20095 2009-06-03  Richard Guenther  <rguenther@suse.de>
20096             Andrey Belevantsev  <abel@ispras.ru>
20097
20098         * cfgexpand.c (discover_nonconstant_array_refs_r): Make only
20099         non-BLKmode arrays addressable.
20100
20101 2009-06-03  Maxim Kuvyrkov  <maxim@codesourcery.com>
20102
20103         * config/m68k/linux.h (HAVE_GAS_BALIGN_AND_P2ALIGN): Move to ...
20104         * config/m68k/m68k.h: ... here.
20105
20106 2009-06-03  Martin Jambor  <mjambor@suse.cz>
20107
20108         PR tree-optimization/40323
20109         * ipa-prop.c (get_ssa_def_if_simple_copy): Break if not single
20110         assignment.
20111
20112 2009-06-03  Richard Guenther  <rguenther@suse.de>
20113
20114         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
20115         consistently.
20116
20117 2009-06-03  Shujing Zhao  <pearly.zhao@oracle.com>
20118
20119         * config/sh/predicates.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
20120         JUMP_P, CALL_P, NONJUMP_INSN_P, NOTE_P, BARRIER_P and
20121         JUMP_TABLE_DATA_P where applicable.
20122         * config/sh/sh.c: Ditto.
20123         * config/sh/sh.h: Ditto.
20124         * config/sh/sh.md: Ditto.
20125         * config/sh/symbian.c: Ditto.
20126
20127 2009-06-03  Uros Bizjak  <ubizjak@gmail.com>
20128
20129         * config/i386/driver-i386.c (describe_cache): Optimize
20130         concatenation of strings.  Use snprintf instead of sprintf.
20131         (host_detect_local_cpu): Ditto.  Ignore -march and -mtune for native
20132         target when not compiling with GCC.
20133
20134 2009-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
20135
20136         * config/sh/sh.c: Revert last change.
20137         (sh_expand_epilogue): Emit a blockage insn before the frame
20138         pointer adjustment unconditionally.
20139
20140 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
20141
20142         * config/pa/pa-hpux.h (LINK_SPEC): Remove "%<fwhole-program".
20143         * config/pa/pa-hpux10.h (LINK_SPEC): Likewise.
20144         * config/pa/pa-hpux11.h (LINK_SPEC): Likewise.
20145         * gcc.c (set_collect_gcc_options): Don't add -fwhole-program
20146         to COLLECT_GCC_OPTIONS.
20147
20148 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
20149
20150         * collect2.c (target_system_root): New variable.
20151         (main): Handle --sysroot=.
20152         (ignore_library): Strip the sysroot from the library path.
20153
20154 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
20155
20156         * Makefile.in (COLLECT2_OBJS): Add collect2-aix.o.
20157         (collect2.o): Depend on collect2-aix.h.
20158         (collect2-aix.o): New rule.
20159         * collect2-aix.h: New file.
20160         * collect2-aix.c: Likewise.
20161         * collect2.c: Include collect2-aix.h.  Don't undefine
20162         OBJECT_FORMAT_COFF if CROSS_AIX_SUPPORT is defined.
20163         Guard native includes with #ifndef CROSS_DIRECTORY_STRUCTURE.
20164         Use TARGET_AIX_VERSION instead of _AIX51.
20165         * config/rs6000/aix43.h (TARGET_AIX_VERSION): Define.
20166         * config/rs6000/aix51.h (TARGET_AIX_VERSION): Likewise.
20167         * config/rs6000/aix52.h (TARGET_AIX_VERSION): Likewise.
20168         * config/rs6000/aix53.h (TARGET_AIX_VERSION): Likewise.
20169         * config/rs6000/aix61.h (TARGET_AIX_VERSION): Likewise.
20170
20171 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
20172
20173         * collect2.c (ignore_library): Avoid premature post-increment
20174         and null deference.
20175
20176 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
20177
20178         * Makefile.in (libgcc.mvars): Add TARGET_SYSTEM_ROOT.
20179         * config/rs6000/aix.h (LINK_SYSCALLS_SPEC): Add %R to the
20180         !CROSS_DIRECTORY_STRUCTURE alternative and use it for
20181         CROSS_DIRECTORY_STRUCTURE too.
20182         (LINK_LIBG_SPEC): Likewise.
20183         (LIB_SPEC): Add %R to sysroot paths.
20184         * config/rs6000/aix43.h (CPP_SPEC): Add %R to sysroot paths.
20185         (CPLUSPLUS_CPP_SPEC, LIB_SPEC): Likewise.
20186         * config/rs6000/aix51.h: As for aix43.h.
20187         * config/rs6000/aix52.h: Likewise.
20188         * config/rs6000/aix53.h: Likewise.
20189         * config/rs6000/aix61.h: Likewise.
20190         * config/rs6000/t-aix52 (SHLIB_LINK): Add $(TARGET_SYSTEM_ROOT)
20191         to the beginning of sysroot paths.
20192
20193 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
20194
20195         * print_rtl (print_rtx): Don't print modes in EXPR_LISTs and
20196         INSN_LISTs that are out of the REG_NOTE range.
20197
20198 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
20199
20200         * loop-unroll.c (struct iv_to_split): Add pointer to next.
20201         (struct var_to_expand): Likewise.
20202         (struct opt_info): Add head and tail for linked lists of the above.
20203         (analyze_insn_to_expand_var): Initialize next.
20204         (analyze_iv_to_split_insn): Likewise.
20205         (analyze_insns_in_loop): Create linked lists.
20206         (allocate_basic_variable): Simplify for use without hash table.
20207         (insert_var_expansion_initialization): Likewise, make it type-safer.
20208         (combine_var_copies_in_loop_exit): Likewise.
20209         (apply_opt_in_copies): Walk lists rather than hash tables.
20210         (release_var_copies): Simplified and inlined by hand into...
20211         (free_opt_info): ... this function.
20212
20213 2009-06-02  Richard Guenther  <rguenther@suse.de>
20214
20215         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
20216         for field decls.
20217
20218 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
20219
20220         * cfgexpand.c (gimple_expand_cfg): Discard the source location
20221         only for builtins that are not overridden.
20222
20223 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
20224
20225         * gengtype.c (adjust_field_rtx_def): Add NOTE_INSN_DELETED_LABEL's
20226         label string.
20227
20228 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
20229
20230         * df-core.c (df_ref_debug): Honor -fdump-noaddr.
20231
20232 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
20233
20234         * combine.c (move_deaths): Compare LUIDs within the same BB only.
20235
20236 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
20237
20238         * common.opt (fdump-unnumbered-links): New.
20239         * doc/invoke.texi (-fdump-unnumbered-links): Document it.
20240         * print-rtl.c (flag_dump_unnumbered_links): New.
20241         (print_rtx): Test it.
20242
20243 2009-06-02  Richard Earnshaw  <rearnsha@arm.com>
20244
20245         * arm.c (arm_get_frame_offsets): Prefer using r3 for padding a
20246         push/pop multiple to 8-byte alignment.
20247
20248 2009-06-01  Jakub Jelinek  <jakub@redhat.com>
20249
20250         * config/i386/i386.c (queued_cfa_restores): New static variable.
20251         (ix86_add_cfa_restore_note, ix86_add_queued_cfa_restore_notes): New
20252         functions.
20253         (pro_epilogue_adjust_stack): Call ix86_add_queued_cfa_restore_notes.
20254         (ix86_emit_restore_reg_using_pop): Add RED_OFFSET argument.
20255         Set RTX_FRAME_RELATED_P immediately after adding a REG_CFA_* note.
20256         Call ix86_add_cfa_restore_note instead of adding REG_CFA_OFFSET
20257         note unconditionally.
20258         (ix86_emit_restore_regs_using_mov): Likewise.
20259         (ix86_emit_restore_sse_regs_using_mov): Likewise.
20260         (ix86_emit_restore_regs_using_pop): Add RED_OFFSET argument, pass
20261         it through to ix86_emit_restore_reg_using_pop.
20262         (ix86_emit_leave): Add RED_OFFSET argument.  Call
20263         ix86_add_queued_cfa_restore_notes.  Call ix86_add_cfa_restore_note
20264         instead of adding REG_CFA_OFFSET note unconditionally.
20265         (ix86_expand_epilogue): Compute RED_OFFSET, pass it down to
20266         the above functions.  Call ix86_add_queued_cfa_restore_notes when
20267         needed.
20268
20269         * dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
20270         force output of the label even for dwarf2out_do_cfi_asm.
20271         (add_fde_cfi): If -g2 and above and cfi might change CFA,
20272         force creation of CFI label and chain DW_CFA_set_loc jumping to it
20273         for convert_cfa_to_fb_loc_list.  Adjust other dwarf2out_cfi_label
20274         caller.
20275         (dwarf2out_stack_adjust, dwarf2out_frame_debug,
20276         dwarf2out_begin_epilogue, dwarf2out_frame_debug_restore_state): Adjust
20277         dwarf2out_cfi_label callers.
20278         * tree.h (dwarf2out_cfi_label): Adjust prototype.
20279         * config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
20280         Adjust dwarf2out_cfi_label callers.
20281         * config/vax/vax.c (vax_output_function_prologue): Likewise.
20282
20283         * config/i386/i386.h (struct machine_cfa_state,
20284         struct machine_function): Guard with ifndef USED_FOR_TARGET
20285         instead of not IN_LIBGCC2 and not in IN_TARGET_LIBS.
20286
20287         PR other/40024
20288         * emutls.c (__emutls_get_address): Change arr->size to mean number
20289         of allocated arr->data entries instead of # of slots + 1.
20290
20291         PR middle-end/40316
20292         * recog.c (peep2_reinit_state): New function.
20293         (peephole2_init_state): Use it at the end of a basic block and also
20294         when seeing a RTX_FRAME_RELATED_P insn.
20295
20296 2009-06-01  Steve Ellcey  <sje@cup.hp.com>
20297
20298         * ia64.md (floatdirf2, fix_truncrfdi, floatunsdirf,
20299         fixuns_truncrfdi2): New.
20300         (fix_truncxfdi2_alts, fixuns_truncxfdi2_alts,
20301         *nmaddsf4_alts, *nmadddf4_alts, *nmadddf4_truncsf_alts,
20302         *mulxf3_alts, *mulxf3_truncsf_alts, *mulxf3_truncdf_alts,
20303         *maddxf4_alts, *maddxf4_alts_truncsf, *maddxf4_alts_truncdf,
20304         *nmaddxf4_alts, *nmaddxf4_truncsf_alts, *nmaddxf4_truncdf_alts,
20305         *recip_approx): Remove.
20306         (divsi3 modsi3, udivsi3, umodsi3, divsi3_internal, divdi3,
20307         moddi3, udivdi3, umoddi3, divdi3_internal_lat, divdi3_internal_thr,
20308         divsf3, sqrtsf2, divdf3, sqrtdf2, divxf3, sqrtxf2): Modify and
20309         move to div.md.
20310         * div.md (fix_truncrfdi2_alts, fixuns_truncrfdi2_alt,
20311         setf_exp_rf): New.
20312
20313 2009-06-01  Ian Lance Taylor  <iant@google.com>
20314
20315         * attribs.c (register_attribute): Use CONST_CAST.
20316         * collect2.c (main): Use CONST_CAST2.
20317         (scan_prog_file): Likewise.
20318         * gcc.c (process_command, main): Likewise.
20319         * toplev.c (toplev_main): Likewise.
20320
20321         * c-typeck.c (handle_warn_cast_qual): New static function,
20322         partially broken out of build_c_cast.
20323         (build_c_cast): Call handle_warn_cast_qual.
20324         * doc/invoke.texi (Warning Options): Document new effect of
20325         -Wcast-qual.
20326
20327 2009-06-01  Aldy Hernandez  <aldyh@redhat.com>
20328
20329         * diagnostic.c (diagnostic_build_prefix): Always print columns.
20330         (diagnostic_report_current_module): Print columns.
20331         * common.opt (flag_show_column): Enable by default.
20332
20333 2009-06-01  Luis Machado  <luisgpm@br.ibm.com>
20334
20335         * alias.c (find_base_term): Check for NULL term before returning.
20336
20337 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
20338
20339         Revert due to PR40320:
20340         2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
20341         * calls.c (emit_library_call_value_1): Don't force_operand for move
20342         and push insns.
20343
20344 2009-06-01  Olivier Hainque  <hainque@adacore.com>
20345             Eric Botcazou  <ebotcazou@adacore.com>
20346
20347         * tree.h (CONSTRUCTOR_BITFIELD_P): True if NODE, a FIELD_DECL, is
20348         to be processed as a bitfield for constructor output purposes.
20349         * output.h (initializer_constant_valid_for_bitfield_p): Declare
20350         new function.
20351         * varasm.c (oc_local_state): New type, output_constructor
20352         local state to support communication with helpers.
20353         (oc_outer_state): New type, output_constructor outer state of
20354         relevance in recursive calls.
20355         (output_constructor_array_range): New output_constructor helper,
20356         extracted code for an array range element.
20357         (output_constructor_regular_field): New output_constructor helper,
20358         extracted code for an element that is not a bitfield.
20359         (output_constructor_bitfield): New output_constructor helper,
20360         extracted code for a bitfield element.  Accept an OUTER state
20361         argument for recursive processing.  Recurse on record or array
20362         CONSTRUCTOR values, possibly past noop conversions.
20363         (initializer_constant_valid_for_bitfield_p): New predicate.  Whether
20364         VALUE is a valid constant-valued expression for use in a static
20365         bit-field initializer.
20366         (output_constructor): Rework to use helpers.  Accept and honor an
20367         OUTER state argument for recursive calls.  Return total size.  Be
20368         prepared for nested constructors initializing bitfields.
20369         (output_constant): Feed OUTER in calls to output_constructor.
20370
20371 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
20372
20373         * calls.c (emit_library_call_value_1): Don't force_operand for move
20374         and push insns.
20375
20376 2009-06-01  Nick Clifton  <nickc@redhat.com>
20377
20378         * doc/invoke.texi (IA-64 Options): Fix typo.
20379
20380 2009-06-01  Ira Rosen  <irar@il.ibm.com>
20381
20382         PR tree-optimization/39129
20383         * tree-vect-loop-manip.c (conservative_cost_threshold): Change the
20384         printed message.
20385         (vect_do_peeling_for_loop_bound): Use
20386         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
20387         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
20388         (vect_loop_versioning): Likewise.
20389         (vect_create_cond_for_alias_checks): Fix indentation.
20390         * tree-vectorizer.h (struct _loop_vec_info): Fix indentation of the
20391         macros.
20392         (LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT): Define.
20393         (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Likewise.
20394         * tree-vect-loop.c (vect_analyze_loop_form): Change "too many BBs" to
20395         "control flow in loop".
20396         (vect_estimate_min_profitable_iters): Use
20397         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
20398         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
20399         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
20400         (vect_create_data_ref_ptr): Don't mention array dimension in printing.
20401         * tree-vect-stmts.c (vectorizable_store): Replace the check that the
20402         statement belongs to a group of strided accesses with the exact code
20403         check.
20404         (vectorizable_load): Likewise.
20405         * tree-vect-slp.c (vect_analyze_slp_instance): Spell out "basic block".
20406         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
20407
20408 2009-06-01  Gerald Pfeifer  <gerald@pfeifer.com>
20409
20410         * config/freebsd-stdint.h: New file.
20411         * config.gcc (*-*-freebsd): Set use_gcc_stdint=wrap.
20412         Add freebsd-stdint.h to tm_file.
20413
20414 2009-06-01  Richard Earnshaw  <rearnsha@arm.com>
20415
20416         * arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split.
20417         (thumb2_extendhidi2): Likewise.
20418
20419 2009-05-31  Ian Lance Taylor  <iant@google.com>
20420
20421         * regstat.c (regstat_n_sets_and_refs): Remove duplicate definition.
20422
20423 2009-05-31  Ian Lance Taylor  <iant@google.com>
20424
20425         * Makefile.in (except.o): Depend upon gt-except.h, not gt-$(EXCEPT_H).
20426         (ipa-cp.o): Depend upon $(FIBHEAP_H) and $(PARAMS_H).
20427         (ipa-reference.o): Depend upon gt-ipa-reference.h.
20428
20429 2009-05-31  Jason Merrill  <jason@redhat.com>
20430
20431         * tree-pretty-print.c (print_call_name): Take the callee, not the
20432         call itself.  Make non-static.  Use dump_function_name for functions.
20433         (dump_generic_node): Adjust.
20434         * diagnostic.h: Declare print_call_name.
20435         * gimple-pretty-print.c (dump_gimple_call): Use it.
20436
20437 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
20438
20439         * config/sh/sh.md (ashldi3_std): New define_expand.
20440         (ashldi3): Use it.
20441
20442 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
20443
20444         PR target/40313
20445         * config/sh/sh.c: Include debug.h.
20446         (sh_expand_epilogue): Emit a blockage insn before the frame
20447         pointer adjustment also when dwarf2out_do_frame returns true.
20448
20449 2009-05-31  Richard Earnshaw  <rearnsha@arm.com>
20450
20451         * arm/thumb2.md (thumb2_extendsidi2): Add a split sub-pattern.
20452         (thumb2_extendqidi2): New pattern.
20453
20454 2009-05-31  Ira Rosen  <irar@il.ibm.com>
20455
20456         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't
20457         mark phis for renaming.
20458         * tree-vectorizer.c (vect_memsyms_to_rename): Remove.
20459         (vectorize_loops): Don't allocate and free vect_memsyms_to_rename.
20460         Call mark_sym_for_renaming.
20461         * tree-vectorizer.h (vect_memsyms_to_rename): Remove.
20462         * tree-vect-loop.c (vect_transform_loop): Remove
20463         vect_memsyms_to_rename initialization and a call to
20464         mark_set_for_renaming.
20465
20466 2009-05-31  Jakub Jelinek  <jakub@redhat.com>
20467
20468         PR middle-end/40304
20469         * config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns
20470         frame related even if !set_cfa && style < 0.
20471
20472 2009-05-30  Kai Tietz  <kai.tietz@onevision.com>
20473
20474         * config/i386/mingw-tls.c: New file.
20475         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Add mingw-tls.c file.
20476         * gthr-win32.h (MINGW32_SUPPORTS_MT_EH): Define it for targets
20477         defining _WIN32 but not __CYGWIN__.
20478
20479 2009-05-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
20480
20481         * configure.ac: Add MPC support.
20482
20483         * config.in, configure: Regenerate.
20484
20485 2009-05-29  Richard Henderson  <rth@redhat.com>
20486
20487         * cfgcleanup.c (try_crossjump_to_edge): Only skip past
20488         NOTE_INSN_BASIC_BLOCK.
20489         * cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
20490         Duplicate NOTE_INSN_EPILOGUE_BEG notes.
20491         * cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
20492         to be deleted.
20493         * dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
20494         add in_use field.
20495         (add_cfi): Disable check redefining cfa away from drap.
20496         (lookup_cfa_1): Add remember argument; handle remember/restore.
20497         (lookup_cfa): Pass remember argument.
20498         (cfa_remember): New.
20499         (compute_barrier_args_size_1): Remove sibcall check.
20500         (dwarf2out_frame_debug_def_cfa): New.
20501         (dwarf2out_frame_debug_adjust_cfa): New.
20502         (dwarf2out_frame_debug_cfa_offset): New.
20503         (dwarf2out_frame_debug_cfa_register): New.
20504         (dwarf2out_frame_debug_cfa_restore): New.
20505         (dwarf2out_frame_debug): Handle REG_CFA_* notes.
20506         (dwarf2out_begin_epilogue): New.
20507         (dwarf2out_frame_debug_restore_state): New.
20508         (dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
20509         DW_CFA_restore_state.
20510         (output_cfi_directive): Likewise.
20511         (convert_cfa_to_fb_loc_list): Likewise.
20512         (dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
20513         * dwarf2out.h: Update.
20514         * emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
20515         (copy_insn_1): Early out for null.
20516         * final.c (final_scan_insn): Call dwarf2out_begin_epilogue
20517         and dwarf2out_frame_debug_restore_state.
20518         * function.c (prologue, epilogue, sibcall_epilogue): Remove.
20519         (prologue_insn_hash, epilogue_insn_hash): New.
20520         (free_after_compilation): Adjust freeing accordingly.
20521         (record_insns): Create hash table if needed; push insns into
20522         hash instead of array.
20523         (maybe_copy_epilogue_insn): New.
20524         (contains): Search hash table instead of array.
20525         (sibcall_epilogue_contains): Remove.
20526         (thread_prologue_and_epilogue_insns): Split eh_return insns
20527         and mark them as epilogues.
20528         (reposition_prologue_and_epilogue_notes): Rewrite epilogue
20529         scanning in terms of basic blocks.
20530         * insn-notes.def (CFA_RESTORE_STATE): New.
20531         * jump.c (returnjump_p_1): Accept EH_RETURN.
20532         (eh_returnjump_p_1, eh_returnjump_p): New.
20533         * reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
20534         CFA_REGISTER, CFA_RESTORE): New.
20535         * rtl.def (EH_RETURN): New.
20536         * rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.
20537
20538         * config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
20539         (eh_return_internal): Use eh_return rtx; split w/ epilogue.
20540
20541         * config/i386/i386.c (gen_push): Update cfa state.
20542         (pro_epilogue_adjust_stack): Add set_cfa argument.  When true,
20543         add a CFA_ADJUST_CFA note.
20544         (ix86_dwarf_handle_frame_unspec): Remove.
20545         (ix86_expand_prologue): Update cfa state.
20546         (ix86_emit_restore_reg_using_pop): New.
20547         (ix86_emit_restore_regs_using_pop): New.
20548         (ix86_emit_leave): New.
20549         (ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
20550         (ix86_expand_epilogue): Add notes for unwinding the epilogue.
20551         * config/i386/i386.h (struct machine_cfa_state): New.
20552         (ix86_cfa_state): New.
20553         * config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
20554         (eh_return_internal): Merge from eh_return_<mode>,
20555         use eh_return rtx, split w/ epilogue.
20556
20557 2009-05-29  Ian Lance Taylor  <iant@google.com>
20558
20559         * builtins.c (validate_gimple_arglist): Don't use va_arg with
20560         enum type.
20561         * calls.c (emit_library_call_value_1): Likewise.
20562
20563         * c-typeck.c (c_build_va_arg): New function.
20564         * c-tree.h (c_build_va_arg): Declare.
20565         * c-parser.c (c_parser_postfix_expression): Call c_build_va_arg
20566         instead of build_va_arg.
20567
20568 2009-05-29  Eric Botcazou  <ebotcazou@adacore.com>
20569
20570         * tree-ssa-loop-ivopts.c (strip_offset_1) <MULT_EXPR>: New case.
20571         (force_expr_to_var_cost) <NEGATE_EXPR>: Likewise.
20572         (ptr_difference_cost): Use affine combinations to compute it.
20573         (difference_cost): Likewise.
20574         (get_computation_cost_at): Compute more accurate cost for addresses
20575         if the ratio is a multiplier allowed in addresses.
20576         For non-addresses, consider that an additional offset or symbol is
20577         added only once.
20578
20579 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
20580
20581         * config/i386/i386.c (ix86_decompose_address): Avoid useless
20582         0 displacement.  Add 0 displacement if base is %[er]bp or %r13.
20583
20584         * config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for
20585         TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default.
20586         (prefix_rex): For UNIT_MMX don't imply the prefix by default
20587         if MODE_DI.
20588         (prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and
20589         to 1 for TYPE_SSE{IADD1,CVT1}.
20590         (prefix_vex_imm8): Removed.
20591         (length_vex): Only pass 1 as second argument to
20592         ix86_attr_length_vex_default if prefix_extra is 0.
20593         (modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT.
20594         (length): For prefix vex computation use length_immediate
20595         attribute instead of prefix_vex_imm8.
20596         (cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64,
20597         addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0,
20598         *andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1,
20599         *xorqi_cc_ext_1_rex64): Override modrm attribute to 1.
20600         (extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2,
20601         *extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit
20602         a space in between the operands.
20603         (*anddi_1_rex64, *andsi_1): Likewise.  Override prefix_rex to 1
20604         if one operand is 0xff and the other one si, di, bp or sp.
20605         (*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the
20606         other one si, di, bp or sp.
20607         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute.
20608         (*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add
20609         type and mode attributes.
20610         (*bsr, *bsr_rex64, *bsrhi): Add type attribute.
20611         (*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear
20612         prefix_rep attribute and set prefix_data16 attribute iff MODE_DF.
20613         (*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set
20614         prefix_data16 attribute iff MODE_DF.
20615         (*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute.
20616         (fix_trunc<mode>di_sse): Set prefix_rex attribute.
20617         (*adddi_4_rex64, *addsi_4): Use const128_operand instead of
20618         constm128_operand in length_immediate computation.
20619         (*addhi_4): Likewise.  Fix mode attribute to MODE_HI.
20620         (anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq.
20621         (*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set
20622         length_immediate attribute to 1.
20623         (x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute.
20624         (*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes
20625         for certain alternatives.
20626         (*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override
20627         prefix_data16 attribute if MODE_V1DF.
20628         (*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set
20629         length_immediate to 1.
20630         (set_got_rex64, set_rip_rex64): Remove length attribute, set
20631         length_address to 4, set mode attribute to MODE_DI.
20632         (set_got_offset_rex64): Likewise.  Set length_immediate to 0.
20633         (fxam<mode>2_i387): Set length attribute to 4.
20634         (*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow,
20635         *prefetch_3dnow_rex): Override length_address attribute.
20636         (sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex
20637         attributes.
20638         * config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate.
20639         (constm128_operand): Removed.
20640         * config/i386/i386.c (memory_address_length): For
20641         disp && !index && !base in 64-bit mode account for SIB byte if
20642         print_operand_address can't optimize disp32 into disp32(%rip)
20643         and UNSPEC doesn't imply (%rip) addressing.  Add 1 to length
20644         for fs: or gs: segment.
20645         (ix86_attr_length_immediate_default): When checking if shortform
20646         is possible, truncate immediate to the length of the non-shortened
20647         immediate.
20648         (ix86_attr_length_address_default): Ignore MEM_P operands
20649         with X constraint.
20650         (ix86_attr_length_vex_default): Only check for DImode on
20651         GENERAL_REG_P operands.
20652         * config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear
20653         prefix_rep attribute, set prefix_data16 attribute iff MODE_DF.
20654         (sse_cvttps2pi): Clear prefix_rep attribute.
20655         (sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16
20656         attribute.
20657         (*sse2_cvttpd2dq): Don't clear prefix_rep attribute.
20658         (*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3,
20659         *avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1
20660         iff operand 2 is const_int_operand.
20661         (*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>,
20662         sse2_shufpd_<mode>): Set length_immediate attribute to 1.
20663         (sse2_pshufd_1): Likewise.  Set prefix attribute to maybe_vex
20664         instead of vex.
20665         (sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear
20666         prefix_data16.
20667         (sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set
20668         prefix_data16 attribute for movlpd and movhpd instructions.
20669         (sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise.  Override
20670         length_immediate for shufpd instruction.
20671         (sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute.
20672         (avx_cmpp<avxmodesuffixf2c><mode>3,
20673         avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3,
20674         <sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3,
20675         avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>,
20676         *vec_dupv4sf_avx, *vec_dupv4sf): Set length_immediate attribute to 1.
20677         (*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4.
20678         (sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1.
20679         (sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override
20680         prefix_data16 attribute for the first alternative to 1.
20681         (*avx_loadlps): Override length_immediate for the first alternative.
20682         (*vec_concatv2sf_avx): Override length_immediate and prefix_extra
20683         attributes for second alternative.
20684         (*vec_concatv2sf_sse4_1): Override length_immediate and
20685         prefix_data16 attributes for second alternative.
20686         (*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>,
20687         vec_extract_hi_<mode>, vec_extract_lo_v16hi,
20688         vec_extract_hi_v16hi, vec_extract_lo_v32qi,
20689         vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1.
20690         (*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set
20691         prefix_data16 and length_immediate to 1.
20692         (*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra
20693         to 1.
20694         (*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set
20695         prefix_extra attribute for variants that don't have 0f prefix alone.
20696         (*avx_pinsr<ssevecsize>): Likewise.  Set length_immediate to 1.
20697         (*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb,
20698         *sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory,
20699         *sse4_1_pextrd): Set length_immediate to 1.
20700         (*sse4_1_pinsrd): Likewise.  Set prefix_extra to 1.
20701         (*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate
20702         to 1.
20703         (*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64,
20704         *vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override
20705         length_immediate to 1 for second alternative.
20706         (*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override
20707         prefix_extra and length_immediate attributes for the first
20708         alternative.
20709         (vec_concatv2si_sse4_1): Override length_immediate to 1 for the
20710         first alternative.
20711         (*vec_concatv2di_rex64_sse4_1): Likewise.  Override prefix_rex
20712         to 1 for the first and third alternative.
20713         (*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second
20714         alternative.
20715         (*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex
20716         attribute.
20717         (*sse_sfence, sse2_mfence, sse2_lfence): Override length_address
20718         attribute to 0.
20719         (*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3,
20720         *avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi,
20721         *avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3,
20722         *avx_psign<mode>3): Set prefix_extra attribute to 1.
20723         (ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3,
20724         ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3,
20725         ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3,
20726         ssse3_psign<mode>3): Override prefix_rex attribute.
20727         (*avx_palignrti): Override prefix_extra and length_immediate to 1.
20728         (ssse3_palignrti): Override length_immediate to 1.
20729         (ssse3_palignrdi): Override length_immediate to 1, override
20730         prefix_rex attribute.
20731         (abs<mode>2): Override prefix_rep to 0, override prefix_rex attribute.
20732         (sse4a_extrqi): Override length_immediate to 2.
20733         (sse4a_insertqi): Likewise.  Override prefix_data16 to 0.
20734         (sse4a_insertq): Override prefix_data16 to 0.
20735         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>,
20736         avx_blendvp<avxmodesuffixf2c><avxmodesuffix>,
20737         avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw,
20738         *avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256,
20739         avx_rounds<avxmodesuffixf2c>256): Override prefix_extra
20740         and length_immediate to 1.
20741         (sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>,
20742         sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm,
20743         sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri,
20744         sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16
20745         and length_immediate to 1.
20746         (sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1.
20747         (sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1.
20748         (*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>,
20749         avx_ptest256): Override prefix_extra to 1.
20750         (sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>):
20751         Override prefix_data16 and length_immediate to 1.
20752         (sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi,
20753         sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si,
20754         sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di,
20755         sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override
20756         prefix_data16 to 0 and prefix_extra to 2.
20757         (sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1.
20758         (sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra
20759         attribute.
20760         (*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3,
20761         sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3):
20762         Override prefix_data16 and prefix_rep to 0, length_immediate to 1
20763         and prefix_extra to 2.
20764         (sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override
20765         prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2.
20766         (*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast,
20767         avx_vpermilvar<mode>3,
20768         avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>,
20769         avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256,
20770         avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>,
20771         avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>):
20772         Override prefix_extra to 1.
20773         (aeskeygenassist, pclmulqdq): Override length_immediate to 1.
20774         (*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3,
20775         vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi,
20776         vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override
20777         prefix_extra and length_immediate to 1.
20778         (*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override
20779         modrm to 0.
20780         (*vec_concat<mode>_avx): Override prefix_extra and length_immediate
20781         to 1 for the first alternative.
20782         * config/i386/mmx.md (*mov<mode>_internal_rex64): Override
20783         prefix_rep, prefix_data16 and/or prefix_rex attributes in certain
20784         cases.
20785         (*mov<mode>_internal_avx, *movv2sf_internal_rex64,
20786         *movv2sf_internal_avx, *movv2sf_internal): Override
20787         prefix_rep attribute for certain alternatives.
20788         (*mov<mode>_internal): Override prefix_rep or prefix_data16
20789         attributes for certain alternatives.
20790         (*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex
20791         attributes for certain alternatives.
20792         (*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3,
20793         *mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2,
20794         mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3,
20795         mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3,
20796         *mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw,
20797         mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3,
20798         mmx_pswapdv2si2): Set prefix_extra attribute to 1.
20799         (mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set
20800         length_immediate to 1 if operand 2 is const_int_operand.
20801         (*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi,
20802         *vec_extractv2si_1): Set length_immediate attribute to 1.
20803         (*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if
20804         using old 3DNOW insn rather than SSE/3DNOW_A.
20805         (mmx_emms, mmx_femms): Clear modrm attribute.
20806
20807 2009-05-29  Martin Jambor  <mjambor@suse.cz>
20808
20809         * tree-sra.c:  New implementation of SRA.
20810
20811         * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): Removed.
20812         (PARAM_SRA_MAX_STRUCTURE_COUNT): Removed.
20813         (PARAM_SRA_FIELD_STRUCTURE_RATIO): Removed.
20814         * params.h (SRA_MAX_STRUCTURE_SIZE): Removed.
20815         (SRA_MAX_STRUCTURE_COUNT): Removed.
20816         (SRA_FIELD_STRUCTURE_RATIO): Removed.
20817         * doc/invoke.texi (sra-max-structure-size): Removed.
20818         (sra-field-structure-ratio): Removed.
20819
20820 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
20821
20822         PR middle-end/40291
20823         * builtins.c (expand_builtin_memcmp): Convert len to sizetype
20824         before expansion.
20825
20826 2009-05-29  Andrey Belevantsev  <abel@ispras.ru>
20827
20828         PR rtl-optimization/40101
20829         * sel-sched-ir.c (get_seqno_by_preds): Allow returning negative
20830         seqno.  Adjust comment.
20831         * sel-sched.c (find_seqno_for_bookkeeping): Assert that when
20832         inserting bookkeeping before a jump, the jump is not scheduled.
20833         When no positive seqno found, provide a value.  Add comment.
20834
20835 2009-05-29  Richard Guenther  <rguenther@suse.de>
20836
20837         * tree-ssa-alias.c (nonaliasing_component_refs_p): Remove
20838         short-cutting on the first component.
20839
20840 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
20841
20842         PR middle-end/39958
20843         * omp-low.c (scan_omp_1_op): Call remap_type on TREE_TYPE
20844         for trees other than decls/types.
20845
20846 2009-05-29  Richard Guenther  <rguenther@suse.de>
20847
20848         * tree-ssa-operands.c (get_expr_operands): Do not handle
20849         INDIRECT_REFs in the handled-component case.  Remove
20850         unused get_ref_base_and_extent case.
20851         * tree-dfa.c (get_ref_base_and_extent): Avoid calling
20852         tree_low_cst and host_integerp where possible.
20853         * tree-ssa-structalias.c (equiv_class_label_eq): Check hash
20854         codes for equivalence.
20855         * dce.c (find_call_stack_args): Avoid redundant bitmap queries.
20856
20857 2009-05-29  David Billinghurst <billingd@gcc.gnu.org>
20858
20859         * config.gcc: Add i386/t-fprules-softfp and soft-fp/t-softfp
20860         to tmake_file for i[34567]86-*-cygwin*.
20861
20862 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
20863
20864         PR target/40017
20865         * config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
20866         (altivec_categorize_keyword, init_vector_keywords,
20867         rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
20868         similar to bool.
20869
20870 2009-05-29  Kai Tietz  <kai.tietz@onevision.com>
20871
20872         * tree.c (handle_dll_attribute): Check if node is
20873         of kind FUNCTION_DECL for DECL_DECLARED_INLINE_P check.
20874
20875 2009-05-29  Richard Earnshaw  <rearnsha@arm.com>
20876
20877         * config/arm/thumb2.md (thumb2_zero_extendsidi2): Add a split
20878         component.
20879         (thumb2_zero_extendqidi2): Likewise.
20880
20881 2009-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>
20882
20883         * config/sh/sh.c (sh_expand_t_scc): Use gen_xorsi3_movrt
20884         instead of gen_movrt.
20885         * config/sh/sh.md (movrt): Remove.
20886
20887 2009-05-28  Steve Ellcey  <sje@cup.hp.com>
20888
20889         * doc/invoke.texi (IA-64 Options):
20890         Add -msdata, -mfused-madd, -mno-inline-float-divide,
20891         -mno-inline-int-divide, -mno-inline-sqrt, -msched-spec-ldc,
20892         -msched-spec-control-ldc, -msched-prefer-non-data-spec-insns,
20893         -msched-prefer-non-control-spec-insns,
20894         -msched-stop-bits-after-every-cycle,
20895         -msched-count-spec-in-critical-path,
20896         -msel-sched-dont-check-control-spec, -msched-fp-mem-deps-zero-cost
20897         -msched-max-memory-insns-hard-limit, -msched-max-memory-insns.
20898         Remove -mt, -pthread, -msched-ldc, -mno-sched-control-ldc,
20899         and -msched-spec-verbose.
20900
20901 2009-05-28  Joseph Myers  <joseph@codesourcery.com>
20902
20903         * config/arm/lib1funcs.asm (__clear_cache): Define if L_clear_cache.
20904         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define to give an
20905         error if used.
20906         * config/arm/t-linux-eabi (LIB1ASMFUNCS): Add _clear_cache.
20907
20908 2009-05-28  Richard Guenther  <rguenther@suse.de>
20909
20910         * tree-ssa-alias.c (ao_ref_init): New function.
20911         (ao_ref_base): Likewise.
20912         (ao_ref_base_alias_set): Likewise.
20913         (ao_ref_alias_set): Likewise.
20914         (refs_may_alias_p_1): Change signature.
20915         (refs_may_alias_p): Adjust.
20916         (refs_anti_dependent_p): Likewise.
20917         (refs_output_dependent_p): Likewise.
20918         (call_may_clobber_ref_p_1): Change signature.
20919         (call_may_clobber_ref_p): Adjust.
20920         (stmt_may_clobber_ref_p_1): New function split out from ...
20921         (stmt_may_clobber_ref_p): ... here.
20922         (maybe_skip_until): Adjust signature.
20923         (get_continuation_for_phi): Likewise.
20924         (walk_non_aliased_vuses): Likewise.
20925         * tree-ssa-alias.h (struct ao_ref_s): New structure type.
20926         (ao_ref_init): Declare.
20927         (ao_ref_base): Likewise.
20928         (ao_ref_alias_set): Likewise.
20929         (stmt_may_clobber_ref_p_1): Likewise.
20930         (walk_non_aliased_vuses): Adjust.
20931         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): New function.
20932         (get_ref_from_reference_ops): remove.
20933         (vn_reference_lookup_2): Adjust signature.
20934         (vn_reference_lookup_3): Do not re-build trees.  Handle unions.
20935         (vn_reference_lookup_pieces): Adjust signature, do not re-build trees.
20936         (vn_reference_lookup): Adjust.
20937         (vn_reference_insert): Likewise.
20938         (vn_reference_insert_pieces): Adjust signature.
20939         (visit_reference_op_call): Adjust.
20940         * tree-ssa-pre.c (get_expr_type): Simplify.
20941         (phi_translate_1): Adjust.
20942         (compute_avail): Likewise.
20943         (translate_vuse_through_block): Do not re-build trees.
20944         (value_dies_in_block_x): Likewise.
20945         * tree-ssa-sccvn.h (struct vn_reference_s): Add type and alias-set
20946         fields.
20947         (vn_reference_lookup_pieces): Adjust declaration.
20948         (vn_reference_insert_pieces): Likewise.
20949
20950 2009-05-28  Benjamin Kosnik  <bkoz@redhat.com>
20951
20952         * tree-ssa-copy.c (replace_exp_1): Move op for warning-free use
20953         with checking disabled.
20954
20955 2009-05-28  Dave Korn  <dave.korn.cygwin@gmail.com>
20956
20957         PR target/37216
20958
20959         * configure.ac (HAVE_GAS_ALIGNED_COMM):  Add autoconf test and
20960         macro definition for support of three-operand format aligned
20961         .comm directive in assembler on cygwin/pe/mingw target OS.
20962         * configure:  Regenerate.
20963         * config.h:  Regenerate.
20964
20965         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common):  Use
20966         aligned form of .comm directive if -mpe-aligned-commons is in effect.
20967         * config/i386/cygming.opt (-mpe-aligned-commons):  Add new option.
20968
20969         * doc/invoke.texi (-mpe-aligned-commons):  Document new target option.
20970         * doc/tm.texi (ASM_OUTPUT_COMMON):  Document zero size commons.
20971
20972 2009-05-28  Ira Rosen  <irar@il.ibm.com>
20973
20974         PR tree-optimization/40254
20975         * tree-data-ref.c (dr_analyze_innermost): Take POFFSET into account
20976         in analysis of basic blocks.
20977
20978 2009-05-28  Adam Nemet  <anemet@caviumnetworks.com>
20979
20980         PR middle-end/33699
20981         * target.h (struct gcc_target): Fix indentation.  Add const_anchor.
20982         * target-def.h (TARGET_CONST_ANCHOR): New macro.
20983         (TARGET_INITIALIZER): Use it.
20984         * cse.c (CHEAPER): Move it up to the other macros.
20985         (insert): Rename this ...
20986         (insert_with_costs): ... to this.  Add cost parameters.  Update
20987         function comment.
20988         (insert): New function.  Call insert_with_costs.
20989         (compute_const_anchors, insert_const_anchor, insert_const_anchors,
20990         find_reg_offset_for_const, try_const_anchors): New functions.
20991         (cse_insn): Call try_const_anchors.  Adjust cost of src_related
20992         when using a const-anchor.  Call insert_const_anchors.
20993         * config/mips/mips.c (mips_set_mips16_mode): Set targetm.const_anchor.
20994         * doc/tm.texi (Misc): Document TARGET_CONST_ANCHOR.
20995
20996 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
20997
20998         * tree-inline.c (remap_decls): Enable nonlocalized variables
20999         when not optimizing.
21000
21001 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
21002
21003         * tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
21004         Simplify other tests involving optimize.
21005
21006 2009-05-27  Tom Tromey  <tromey@redhat.com>
21007
21008         * unwind-dw2.c (_Unwind_DebugHook): New function.
21009         (uw_install_context): Call _Unwind_DebugHook.
21010
21011 2009-05-27  Tom Tromey  <tromey@redhat.com>
21012
21013         * system.h (CONST_CAST2): Use C++ const_cast when compiled as C++
21014
21015 2009-05-27  Ian Lance Taylor  <iant@google.com>
21016
21017         * Makefile.in (LINKER, LINKER_FLAGS): Define.
21018         (LINKER_FOR_BUILD, BUILD_LINKERFLAGS): Define.
21019         (ALL_LINKERFLAGS): Define.
21020         (xgcc$(exeext)): Change $(COMPILER) to $(LINKER).
21021         (cpp$(exeext), cc1-dummy$(exeext), cc1$(exeext)): Likewise.
21022         (collect2$(exeext), mips-tfile, mips-tdump): Likewise.
21023         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
21024         (build/gen%$(build_exeext)): Change $(COMPILER_FOR_BUILD) to
21025         $(LINKER_FOR_BUILD).
21026         (build/gcov-iov$(build_exeext)): Likewise.
21027
21028 2009-05-27  Julian Brown  <julian@codesourcery.com>
21029
21030         * gcse.c (target.h): Include.
21031         (can_assign_to_reg_without_clobbers_p): Check that the target allows
21032         copy of argument to a pseudo register.
21033
21034 2009-05-27  Diego Novillo  <dnovillo@google.com>
21035
21036         * tree-ssa-live.c (dump_scope_block): Document arguments.
21037         (dump_scope_blocks): Document.
21038         (debug_scope_blocks): New.
21039         * tree-flow.h (debug_scope_blocks): Declare.
21040
21041 2009-05-21  Denis Chertykov  <denisc@overta.ru>
21042
21043         * doc/contrib.texi (Contributors): Add myself to the list.
21044
21045 2009-05-27  Olivier Hainque  <hainque@adacore.com>
21046
21047         * expr.c (target_align): New function.  Alignment the TARGET of an
21048         assignment may be assume to have.
21049         (highest_pow2_factor_for_target): Use it instead of relying on
21050         immediate tree attributes of TARGET, not necessarily honored when
21051         intermediate bitfields are involved.
21052
21053 2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>
21054
21055         PR target/40266
21056         * config/i386/driver-i386.c (host_detect_local_cpu): Support
21057         AVX, SSE4, AES, PCLMUL and POPCNT.
21058
21059 2009-05-27  Diego Novillo  <dnovillo@google.com>
21060
21061         * tree-pretty-print.c (dump_location): New.
21062         (dump_generic_node): Call it.
21063         Factor code to handle BLOCK nodes ...
21064         (dump_block_node): ... here.
21065
21066 2009-05-27  Rafael Avila de Espindola  <espindola@google.com>
21067
21068         * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h
21069         with it.
21070         * doc/plugins.texi: Document that gcc-plugin.h must be the first to be
21071         included.
21072         * gcc-plugin.h: Include config.h and system.h.
21073         (IN_GCC): Define if not defined.
21074
21075 2009-05-27  Hans-Peter Nilsson  <hp@axis.com>
21076
21077         PR middle-end/40249
21078         * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
21079         with -fno-inline.
21080
21081 2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>
21082
21083         * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
21084         applicable.
21085         * config/m32r/m32r.h: Ditto.
21086         * config/m32r/m32r.md: Ditto.
21087         * config/m32r/predicates.md: Ditto.
21088
21089 2009-05-27  Alexandre Oliva  <aoliva@redhat.com>
21090
21091         * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.
21092
21093 2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>
21094
21095         * doc/plugins.texi
21096         (Loading plugins): typo.
21097         (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
21098         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
21099         (Interacting with the GCC Garbage Collector): Added new section.
21100         (Giving information about a plugin): Added new section for
21101         PLUGIN_INFO.
21102         * ggc.h (ggc_register_root_tab): Added declaration.
21103         * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
21104         (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
21105         (register_callback): Improved comment in declaration.
21106         * ggc-common.c (const_ggc_root_tab_t) Added new typedef for vectors.
21107         (extra_root_vec) Added static variable for dynamic roots registration.
21108         (ggc_register_root_tab) Added new routine.
21109         (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
21110         PLUGIN_GGC_MARKING event.
21111         * ggc-zone.c: Include plugin.h.
21112         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
21113         * ggc-page.c: Include plugin.h.
21114         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
21115         * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
21116         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
21117         (register_callback): check lack of callbacks for
21118         pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
21119         PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
21120         (invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
21121         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
21122         * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
21123         dependency on plugin.h.
21124         (plugin.o): Added dependency on ggc.h...
21125
21126 2009-05-26  Richard Guenther  <rguenther@suse.de>
21127
21128         PR middle-end/40248
21129         Revert
21130         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
21131         with mismatched comparison modes.
21132
21133         * expr.c (expand_expr_real_1): Expand the operand of a
21134         VIEW_CONVERT_EXPR in its natural mode.
21135
21136 2009-05-26  Ian Lance Taylor  <iant@google.com>
21137
21138         * Makefile.in (COMPILER, COMPILER_FLAGS): Define.
21139         (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
21140         (ALL_COMPILERFLAGS): Define.
21141         (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
21142         (cc1-dummy$(exeext), cc1$(exeext)): Likewise.
21143         (collect2$(exeext), collect2.o): Likewise.
21144         (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
21145         (gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
21146         ($(out_object_file), mips-tfile, mips-tdump): Likewise.
21147         (libbackend.o, intl.o, cppdefault.o): Likewise.
21148         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
21149         (build/%.o): Use $(COMPILER_FOR_BUILD).
21150         (build/gen%$(build_exeext)): Likewise.
21151         (build/gcov-iov$(build_exeext)): LIkewise.
21152         * config/t-darwin (darwin.o): Use $(COMPILER).
21153         (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
21154         * config/t-sol2 (sol2-c.o): Likewise.
21155         (sol2.o): Likewise.
21156         * config/t-vxworks (vxworks.o): Likewise.
21157         * config/x-darwin (host-darwin.o): Likewise.
21158         * config/x-hpux (host-hpux.o): Likewise.
21159         * config/x-linux (host-linux.o): Likewise.
21160         * config/x-solaris (host-solaris.o): Likewise.
21161         * config/alpha/x-alpha (driver-alpha.o): Likewise.
21162         * config/arm/t-arm (arm-c.o): Likewise.
21163         * config/arm/t-pe (pe.o): Likewise.
21164         * config/arm/t-wince-pe (pe.o): Likewise.
21165         * config/i386/t-cygming (winnt.o): Likewise.
21166         (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
21167         * config/i386/t-cygwin (cygwin1.o): Likewise.
21168         (cygwin2.o): Likewise.
21169         * config/i386/t-i386 (i386-c.o): Likewise.
21170         * config/i386/t-interix (winnt.o): Likewise.
21171         * config/i386/t-netware (netware.o): Likewise.
21172         * config/i386/t-nwld (nwld.o): Likewise.
21173         * config/i386/x-darwin (host-i386-darwin.o): Likewise.
21174         * config/i386/x-i386 (driver-i386.o): Likewise.
21175         * config/i386/x-cygwin (host-cygwin.o): Likewise.
21176         * config/i386/x-mingw32 (host-mingw32.o): Likewise.
21177         * config/ia64/t-ia64 (ia64-c.o): Likewise.
21178         * config/m32c/t-m32c (m32c-pragma.o): Likewise.
21179         * config/mips/x-native (driver-native.o): Likewise.
21180         * config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
21181         * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
21182         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
21183         * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
21184         * config/score/t-score-elf (score7.o): Likewise.
21185         (score3.o): Likewise.
21186         * config/sh/t-sh (sh-c.o): Likewise.
21187         * config/sh/t-symbian (sh-c.o): Likewise.
21188         (symbian.o): Likewise.
21189         * config/spu/t-spu-elf (spu-c.o): Likewise.
21190         * config/v850/t-v850 (v850-c.o): Likewise.
21191         * config/v850/t-v850e (v850-c.o): Likewise.
21192
21193 2009-05-26  Richard Guenther  <rguenther@suse.de>
21194
21195         PR tree-optimization/40122
21196         * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
21197         VECTOR_CSTs if possible.
21198         (fold_gimple_assign): Likewise.
21199
21200 2009-05-26  Richard Guenther  <rguenther@suse.de>
21201
21202         PR middle-end/40252
21203         * fold-const.c (fold_binary): Use the correct types for building
21204         rotates.
21205
21206 2009-05-26  Richard Guenther  <rguenther@suse.de>
21207
21208         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
21209         redundant calls to merge_alias_info.
21210         (bump_vector_ptr): Likewise.
21211         * tree-ssa-copy.c (merge_alias_info): Remove.
21212         (replace_exp_1): Remove call to merge_alias_info.
21213         (propagate_tree_value): Likewise.
21214         (fini_copy_prop): Propagate points-to info.
21215         * tree-flow.h (merge_alias_info): Remove.
21216
21217 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
21218
21219         * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.
21220
21221 2009-05-25  Jan Hubicka  <jh@suse.cz>
21222
21223         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
21224         * cgraph.h (struct inline_summary): New filed self_wize,
21225         size_inlining_benefit, self_time and time_inlining_benefit.
21226         (struct cgraph_global_info): Replace insns by time ans size fields.
21227         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
21228         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
21229         (ipcp_update_callgraph): Do not touch function bodies.
21230         * ipa-inline.c: Include except.h
21231         (MAX_TIME): New constant.
21232         (overall_insns): Remove.
21233         (leaf_node_p): New.
21234         (overall_size, max_benefit): New static variables.
21235         (cgraph_estimate_time_after_inlining): New function.
21236         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
21237         (cgraph_clone_inlined_nodes): Update size.
21238         (cgraph_mark_inline_edge): Update size.
21239         (cgraph_estimate_growth): Use size info.
21240         (cgraph_check_inline_limits): Check size.
21241         (cgraph_default_inline_p): Likewise.
21242         (cgraph_edge_badness): Compute badness based on benefit and size cost.
21243         (cgraph_decide_recursive_inlining): Check size.
21244         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
21245         and times.
21246         (cgraph_decide_inlining): Likewise.
21247         (cgraph_decide_inlining_incrementally): Likewise; honor
21248         PARAM_EARLY_INLINING_INSNS.
21249         (likely_eliminated_by_inlining_p): New predicate.
21250         (estimate_function_body_sizes): New function.
21251         (compute_inline_parameters): Use it.
21252         * except.c (must_not_throw_labels): New function.
21253         * except.h (must_not_throw_labels): Declare.
21254         * tree-inline.c (init_inline_once): Kill inlining_weigths
21255         * tree-ssa-structalias.c: Avoid uninitialized warning.
21256         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
21257         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
21258         (PARAM_INLINE_CALL_COST): Remove.
21259         (PARAM_EARLY_INLINING_INSNS): New.
21260
21261 2009-05-25  Richard Guenther  <rguenther@suse.de>
21262
21263         PR tree-optimization/36327
21264         * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
21265         callback for reference translation or lookup at the point of may-defs.
21266         * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
21267         * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
21268         for union COMPONENT_REFs.
21269         (vn_reference_lookup_3): New callback.  Lookup from memset
21270         and CONSTRUCTOR assignment, translate through struct copies.
21271         (vn_reference_lookup_pieces): Make sure to not free the
21272         passed operands array.  Adjust walk_non_aliased_vuses call.
21273         (vn_reference_lookup): Adjust walk_non_aliased_vuses call,
21274         make sure we do not leak memory.
21275
21276 2009-05-25  Richard Guenther  <rguenther@suse.de>
21277
21278         * tree-ssa-alias.h (dump_points_to_solution): Declare.
21279         * tree-inline.c (expand_call_inline): Reset the escaped and
21280         callused solutions.
21281         * tree-ssa-structalias.c (pass_build_ealias): New.
21282         * tree-pass.h (pass_build_ealias): Declare.
21283         * passes.c (init_optimization_passes): Add PTA during
21284         early optimizations.
21285         * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
21286         and CALLUSED solutions.
21287         (dump_points_to_solution): New function, split out from ...
21288         (dump_points_to_info_for): ... here.
21289         * tree-parloops.c (parallelize_loops): Reset the escaped and
21290         callused solutions.
21291
21292 2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
21293
21294         PR bootstrap/40027
21295         * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
21296         * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.
21297
21298 2009-05-25  Ira Rosen  <irar@il.ibm.com>
21299
21300         PR tree-optimization/40238
21301         * tree-vect-stmts.c (vect_init_vector): Insert initialization
21302         statements after basic block's labels.
21303         * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info()
21304         to free the allocated memory.
21305
21306 2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>
21307
21308         * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
21309         return address with a USE.
21310
21311 2009-05-24  Richard Guenther  <rguenther@suse.de>
21312
21313         PR middle-end/40233
21314         * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
21315         array type from the main variant of the inner type.
21316
21317 2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
21318
21319         * config/vax/vax-protos.h (legitimate_constant_address_p): Change
21320         definition to bool (from int) to un-break build.
21321         (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.
21322
21323 2009-05-24  Paolo Bonzini  <bonzini@gnu.org>
21324
21325         * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
21326         discard_stmt_changes): Delete.
21327         * tree-ssa-operands.c (scb_stack): Delete.
21328         (init_ssa_operands): Do not initialize it.
21329         (fini_ssa_operands): Do not free it.
21330         (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.
21331
21332         * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with
21333         update_stmt, remove the others.  Fix comments.
21334         * tree-dfa.c (optimize_stack_restore): Likewise.
21335         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
21336         * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
21337         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
21338         * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
21339         Likewise.
21340         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
21341         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
21342         (dom_opt_finalize_block): Likewise, adjusting access to
21343         stmts_to_rescan.
21344         (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
21345         (stmts_to_rescan): Change item type to gimple.
21346         (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.
21347
21348 2009-05-24  Ira Rosen  <irar@il.ibm.com>
21349
21350         * doc/passes.texi (Tree-SSA passes): Document SLP pass.
21351         * tree-pass.h (pass_slp_vectorize): New pass.
21352         * params.h (SLP_MAX_INSNS_IN_BB): Define.
21353         * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
21354         * tree-vectorizer.c (timevar.h): Include.
21355         (user_vect_verbosity_level): Declare.
21356         (vect_location): Fix comment.
21357         (vect_set_verbosity_level): Update user_vect_verbosity_level
21358         instead of vect_verbosity_level.
21359         (vect_set_dump_settings): Add an argument. Ignore user defined
21360         verbosity if dump flags require higher level of verbosity. Print to
21361         stderr only for loop vectorization.
21362         (vectorize_loops): Update call to vect_set_dump_settings.
21363         (execute_vect_slp): New function.
21364         (gate_vect_slp): Likewise.
21365         (struct gimple_opt_pass pass_slp_vectorize): New.
21366         * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
21367         access its members.
21368         (vec_info_for_bb): New function.
21369         (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
21370         (VECTORIZATION_ENABLED): New macro.
21371         (SLP_ENABLED, SLP_DISABLED): Likewise.
21372         (vect_is_simple_use): Add bb_vec_info argument.
21373         (new_stmt_vec_info, vect_analyze_data_ref_dependences,
21374         vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
21375         vect_analyze_data_ref_accesses, vect_analyze_data_refs,
21376         vect_schedule_slp, vect_analyze_slp): Likewise.
21377         (vect_analyze_stmt): Add slp_tree argument.
21378         (find_bb_location): Declare.
21379         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
21380         * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
21381         (vect_analyze_loop_operations, vect_analyze_loop,
21382         get_initial_def_for_induction, vect_create_epilog_for_reduction,
21383         vect_finalize_reduction, vectorizable_reduction,
21384         vectorizable_live_operation, vect_transform_loop): Likewise.
21385         * tree-data-ref.c (dr_analyze_innermost): Update comment,
21386         skip evolution analysis if analyzing a basic block.
21387         (dr_analyze_indices): Likewise.
21388         (initialize_data_dependence_relation): Skip the test whether the
21389         object is invariant for basic blocks.
21390         (compute_all_dependences): Skip dependence analysis for data
21391         references in basic blocks.
21392         (find_data_references_in_stmt): Don't fail in case of invariant
21393         access in basic block.
21394         (find_data_references_in_bb): New function.
21395         (find_data_references_in_loop): Move code to
21396         find_data_references_in_bb and add a call to it.
21397         (compute_data_dependences_for_bb): New function.
21398         * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
21399         * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
21400         that STEP is 0.
21401         (vect_analyze_data_ref_dependence): Check for interleaving in case of
21402         unknown dependence in basic block and fail in case of dependence in
21403         basic block.
21404         (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
21405         dependence instances from either loop or basic block vectorization
21406         info.
21407         (vect_compute_data_ref_alignment): Check if it is loop vectorization
21408         before calling nested_in_vect_loop_p.
21409         (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
21410         dependence instances from either loop or basic block vectorization
21411         info.
21412         (vect_verify_datarefs_alignment): Likewise.
21413         (vect_enhance_data_refs_alignment): Adjust function calls.
21414         (vect_analyze_data_refs_alignment): Likewise.
21415         (vect_analyze_group_access): Fix printing. Skip different checks if
21416         DR_STEP is 0. Keep strided stores either in loop or basic block
21417         vectorization data structure. Fix indentation.
21418         (vect_analyze_data_ref_access): Fix comments, allow zero step in
21419         basic blocks.
21420         (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
21421         dependence instances from either loop or basic block vectorization
21422         info.
21423         (vect_analyze_data_refs): Update comment. Call
21424         compute_data_dependences_for_bb to analyze basic blocks.
21425         (vect_create_addr_base_for_vector_ref): Check for outer loop only in
21426         case of loop vectorization. In case of basic block vectorization use
21427         data-ref itself as a base.
21428         (vect_create_data_ref_ptr): In case of basic block vectorization:
21429         don't advance the pointer, add new statements before the current
21430         statement.  Adjust function calls.
21431         (vect_supportable_dr_alignment): Support only aligned accesses in
21432         basic block vectorization.
21433         * common.opt (ftree-slp-vectorize): New flag.
21434         * tree-vect-patterns.c (widened_name_p): Adjust function calls.
21435         (vect_pattern_recog_1): Likewise.
21436         * tree-vect-stmts.c (process_use): Likewise.
21437         (vect_init_vector): Add new statements in the beginning of the basic
21438         block in case of basic block SLP.
21439         (vect_get_vec_def_for_operand): Adjust function calls.
21440         (vect_finish_stmt_generation): Likewise.
21441         (vectorizable_call): Add assert that it is loop vectorization, adjust
21442         function calls.
21443         (vectorizable_conversion, vectorizable_assignment): Likewise.
21444         (vectorizable_operation): In case of basic block SLP, take
21445         vectorization factor from statement's type and skip the relevance
21446         check. Adjust function calls.
21447         (vectorizable_type_demotion): Add assert that it is loop
21448         vectorization, adjust function calls.
21449         (vectorizable_type_promotion): Likewise.
21450         (vectorizable_store): Check for outer loop only in case of loop
21451         vectorization. Adjust function calls. For basic blocks, skip the
21452         relevance check and don't advance pointers.
21453         (vectorizable_load): Likewise.
21454         (vectorizable_condition): Add assert that it is loop vectorization,
21455         adjust function calls.
21456         (vect_analyze_stmt): Add argument. In case of basic block SLP, check
21457         that it is not reduction, get vector type, call only supported
21458         functions, skip loop specific parts.
21459         (vect_transform_stmt): Check for outer loop only in case of loop
21460         vectorization.
21461         (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
21462         (vect_is_simple_use): Fix comment, add new argument, fix conditions
21463         for external definition.
21464         * passes.c (pass_slp_vectorize): New pass.
21465         * tree-vect-slp.c (find_bb_location): New function.
21466         (vect_get_and_check_slp_defs): Add argument, adjust function calls,
21467         check for patterns only in loops.
21468         (vect_build_slp_tree): Add argument, adjust function calls, fail in
21469         case of multiple types in basic block SLP.
21470         (vect_mark_slp_stmts_relevant): New function.
21471         (vect_supported_load_permutation_p): Fix comment.
21472         (vect_analyze_slp_instance): Add argument. In case of basic block
21473         SLP, take vectorization factor from statement's type, check that
21474         unrolling factor is 1. Adjust function call. Save SLP instance in
21475         either loop or basic block vectorization structure. Return FALSE,
21476         if SLP failed.
21477         (vect_analyze_slp): Add argument. Get strided stores groups from
21478         either loop or basic block vectorization structure. Return FALSE
21479         if basic block SLP failed.
21480         (new_bb_vec_info): New function.
21481         (destroy_bb_vec_info, vect_slp_analyze_node_operations,
21482         vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
21483         (vect_schedule_slp): Add argument. Get SLP instances from either
21484         loop or basic block vectorization structure. Set vectorization factor
21485         to be 1 for basic block SLP.
21486         (vect_slp_transform_bb): New function.
21487         * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.
21488
21489 2009-05-23  Mark Mitchell  <mark@codesourcery.com>
21490
21491         * final.c (shorten_branches): Do not align labels for jump tables.
21492         (final_scan_insn): Use JUMP_TABLE_DATA_P.
21493
21494 2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>
21495
21496         * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
21497         Remove outdated reference to flow.c and fix nits.
21498         * doc/gccint.texi: Tweak RTL description.
21499         * doc/rtl.texi: Likewise.
21500
21501 2009-05-23  Denis Chertykov  <chertykov@gmail.com>
21502
21503         * config/avr/avr.c: Change my email address.
21504         * config/avr/avr.h: Likewise.
21505         * config/avr/avr.md: Likewise.
21506         * config/avr/avr-protos.h: Likewise.
21507         * config/avr/libgcc.S: Likewise.
21508
21509 2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
21510
21511         * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
21512         (spu_split_load, spu_split_store): Change return type to int.
21513         (spu_split_convert): Declare.
21514         * config/spu/predicates.md (spu_mem_operand): Remove.
21515         (spu_mov_operand): Update.
21516         (spu_dest_operand, shiftrt_operator, extend_operator): Define.
21517         * config/spu/spu.c (regno_aligned_for_load): Remove.
21518         (reg_aligned_for_addr, spu_expand_load): Define.
21519         (spu_expand_extv): Reimplement and handle MEM.
21520         (spu_expand_insv): Handle MEM.
21521         (spu_sched_reorder): Handle insn's with length 0.
21522         (spu_legitimate_address_p): Reimplement.
21523         (store_with_one_insn_p): Return TRUE for any mode with size
21524         larger than 16 bytes.
21525         (address_needs_split): Define.
21526         (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
21527         operands.
21528         (spu_convert_move): Define.
21529         (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
21530         (spu_split_store): Change all MEM's to TImode.
21531         (spu_init_expanders): Preallocate registers that correspond to
21532         LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
21533         mark_reg_pointer.
21534         (spu_split_convert): Define.
21535         * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
21536         (_move<mode>, _movdi, _movti): Update predicate and condition.
21537         (load, store): Change to define_split.
21538         (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
21539         extend<mode>ti2.
21540         (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
21541         (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
21542         define_insn_and_split of lshr<mode>3.
21543         (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
21544         (<v>ashr<mode>3_imm): Define.
21545         (extv, extzv, insv): Allow MEM operands.
21546         (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
21547         shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
21548         sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
21549         (_spu_convert2): Change to define_insn_and_split and remove the
21550         corresponding define_peephole2.
21551         (stack_protect_set, stack_protect_test, stack_protect_test_si):
21552         Change predicates to memory_operand.
21553
21554 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
21555
21556         * config/arm/thumb2.md: Add 16-bit multiply instructions.
21557
21558 2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
21559
21560         PR tree-optimization/40219
21561         * tree.c (iterative_hash_expr): Make sure the builtin function is
21562         a normal builtin function and not a front end or back end builtin
21563         before indexing into the built_in_decls array.
21564
21565 2009-05-22  Richard Guenther  <rguenther@suse.de>
21566
21567         PR middle-end/38964
21568         * alias.c (write_dependence_p): Do not use TBAA for answering
21569         anti-dependence or output-dependence.
21570         * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
21571         (emit_pointer_definition): Remove.
21572         (emit_alias_warning): Likewise.
21573         (find_what_var_points_to): Remove TBAA pruning code.
21574         (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
21575         violations.
21576         (compute_points_to_sets): Remove code computing the set of
21577         dereferenced pointers.
21578         * tree-data-ref.c (dr_may_alias_p): Properly use the split
21579         oracle for querying anti and output dependencies.
21580         * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
21581         if TBAA may be applied.
21582         (refs_anti_dependent_p): New function.
21583         (refs_output_dependent_p): Likewise.
21584         * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
21585         (refs_output_dependent_p): Likewise.
21586         * doc/tree-ssa.texi (Memory model): New section.
21587         * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
21588         * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
21589         * cfgexpand.c (expand_gimple_basic_block): Do not handle
21590         GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
21591         * expr.c (expand_expr_real_1): Likewise.
21592         * gimple-low.c (lower_stmt): Likewise.
21593         * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
21594         (dump_gimple_cdt): Remove.
21595         * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
21596         (gimple_size): Likewise.
21597         (walk_gimple_op): Likewise.
21598         (is_gimple_stmt): Likewise.
21599         (walk_stmt_load_store_addr_ops): Likewise.
21600         (gimple_build_cdt): Remove.
21601         * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
21602         * gimple.h (gimple_cdt_new_type): Remove.
21603         (gimple_cdt_new_type_ptr): Likewise.
21604         (gimple_cdt_set_new_type): Likewise.
21605         (gimple_cdt_location): Likewise.
21606         (gimple_cdt_location_ptr): Likewise.
21607         (gimple_cdt_set_location): Likewise.
21608         * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
21609         * tree-cfg.c (remove_useless_stmts_1): Do not handle
21610         GIMPLE_CHANGE_DYNAMIC_TYPE.
21611         (verify_types_in_gimple_stmt): Likewise.
21612         * tree-inline.c (estimate_num_insns): Likewise.
21613         (expand_call_inline): Do not copy DECL_NO_TBAA_P.
21614         (copy_decl_to_var): Likewise.
21615         (copy_result_decl_to_var): Likewise.
21616         * tree-pretty-print.c (dump_generic_node): Do not handle
21617         CHANGE_DYNAMIC_TYPE_EXPR.
21618         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
21619         * tree-ssa-operands.c (get_expr_operands): Likewise.
21620         * tree-ssa-structalias.c (struct variable_info): Remove
21621         no_tbaa_pruning member.
21622         (new_var_info): Do not set it based on DECL_NO_TBAA_P.
21623         (unify_nodes): Do not copy it.
21624         (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
21625         (dump_solution_for_var): Do not dump no_tbaa_pruning state.
21626         (set_uids_in_ptset): Do not check it.
21627         (find_what_var_points_to): Likewise.
21628         (compute_tbaa_pruning): Remove.
21629         (compute_points_to_sets): Do not call it.
21630         * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
21631         * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
21632         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
21633         (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
21634         (DECL_NO_TBAA_P): Likewise.
21635         (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
21636         * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
21637         (expand_omp_atomic_pipeline): Do not set it.
21638         * print-tree.c (print_node): Do not dump it.
21639         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
21640         redundant check.
21641
21642 2009-05-22 Vladimir Makarov <vmakarov@redhat.com>
21643
21644         PR target/39856
21645         * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
21646         for clobber.
21647
21648 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
21649
21650         * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
21651         non-external.
21652
21653 2009-05-22  Ben Elliston  <bje@au.ibm.com>
21654
21655         * Makefile.in (bversion.h, s-bversion): New targets.
21656         (TOPLEV_H): Add bversion.h.
21657         * toplev.h: Include "bversion.h".
21658         (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
21659         the __format__ attribute only if compiling with the same version
21660         of GCC as the sources (the "build version").
21661
21662 2009-05-22  Ben Elliston  <bje@au.ibm.com>
21663
21664         * c-format.c (handle_format_attribute): Fix comment typo.
21665
21666 2009-05-21  Steve Ellcey  <sje@cup.hp.com>
21667
21668         PR target/37846
21669         * config/ia64/ia64.opt (mfused-madd): New.
21670         * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
21671         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
21672         * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
21673         madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
21674         nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
21675         msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
21676         nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
21677         * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms
21678         instruction if !TARGET_FUSED_MADD.
21679         (fpma, fpms): Remove colon from name.
21680
21681 2009-05-22  Richard Guenther  <rguenther@suse.de>
21682
21683         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
21684         TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
21685         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
21686         TARGET_MEM_REF.
21687         (create_expression_by_pieces): Only convert if necessary.
21688         * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
21689         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
21690
21691 2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>
21692
21693         * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
21694         regular pattern from a template and rename it ...
21695         (*extzv_truncsi_exts): ... to this.
21696
21697 2009-05-21  Richard Guenther  <rguenther@suse.de>
21698
21699         * cgraph.h (struct cgraph_node): Remove inline_decl member.
21700         * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
21701         (cgraph_default_inline_p): Likewise.
21702         (cgraph_decide_inlining_incrementally): Likewise.
21703
21704 2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
21705             Uros Bizjak  <ubizjak@gmail.com>
21706
21707         * config/i386/cpuid.h (bit_MOVBE): New.
21708
21709         * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.
21710
21711         * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
21712         (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
21713         (ix86_handle_option): Handle OPT_mmovbe.
21714         (ix86_target_string): Add -mmovbe.
21715         (pta_flags): Add PTA_MOVBE.
21716         (processor_alias_table): Add PTA_MOVBE to "atom".
21717         (override_options): Handle PTA_MOVBE.
21718
21719         * config/i386/i386.h (TARGET_MOVBE): New.
21720
21721         * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
21722         (*bswapsi_movbe): New.
21723         (*bswapdi_movbe): Likewise.
21724         (bswapdi2): Renamed to ...
21725         (*bswapdi_1): This.
21726         (bswapdi2): New expander.
21727
21728         * config/i386/i386.opt (mmovbe): New.
21729
21730         * doc/invoke.texi: Document -mmovbe.
21731
21732 2009-05-21  Taras Glek  <tglek@mozilla.com>
21733
21734         * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
21735         * gcc-plugin.h (plugin_init): Updated signature.
21736         * gcc-plugin.h (plugin_name_args): Moved to this header.
21737         * doc/plugins.texi (plugin_init): Updated documention to reflect
21738         API change.
21739         * doc/plugins.texi (plugin_name_args): Added to documention.
21740
21741 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
21742
21743         * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
21744         (*mul<mode>3neg<mode>add<mode>_neon): Likewise.
21745
21746 2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>
21747
21748         * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
21749         JUMP_TABLE_DATA_P predicates where applicable.
21750         * config/i386/predicates.md: Ditto.
21751         * config/i386/sse.md: Ditto.
21752
21753 2009-05-21  Jakub Jelinek  <jakub@redhat.com>
21754
21755         * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
21756         operand2 -128 override length_immediate attribute to 1.
21757         * config/i386/predicates.md (constm128_operand): New predicate.
21758
21759         * config/i386/i386.c (memory_address_length): Handle %r12
21760         the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
21761         also check REGNO.
21762         (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
21763         mode look through optional ZERO_EXTEND and SUBREG.
21764         * config/i386/i386.md (R12_REG): New define_constant.
21765         (prefix_data16): For sse unit set also for MODE_TI insns.
21766         (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
21767         insns set if operand 1 is ext_QIreg_operand.
21768         (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
21769         TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
21770         immediate.
21771         (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
21772         mode from MODE_DI to MODE_SI.
21773         (movdi_1_rex64): Override modrm and length_immediate attributes
21774         only for movabs (TYPE_IMOV, alternative 2).
21775         (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
21776         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
21777         *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
21778         *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
21779         *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
21780         prefix_rex attribute if DImode.
21781         (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
21782         *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
21783         *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
21784         *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
21785         attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
21786         (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
21787         Likewise.  For TYPE_IMOV clear length_immediate attribute.
21788         (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
21789         *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
21790         *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
21791         *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
21792         *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
21793         or one operand TYPE_ISHIFT.
21794         (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
21795         *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
21796         *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
21797         *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
21798         *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
21799         *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
21800         *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
21801         *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
21802         *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
21803         *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
21804         *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
21805         *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
21806         *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
21807         *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
21808         *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
21809         *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
21810         *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
21811         set mode attribute, don't override length attribute.
21812         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
21813         to 1.
21814         (return_internal_long): Set length attribute to 2 instead of 1.
21815         (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
21816         *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
21817         prefix_rex attribute.
21818         * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
21819         New predicates.
21820         (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.
21821
21822 2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
21823
21824         * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.
21825
21826 2009-05-20  Ian Lance Taylor  <iant@google.com>
21827
21828         * tree.c (build_tree_list_vec_stat): New function.
21829         (ctor_to_vec): New function.
21830         (build_nt_call_vec): New function.
21831         (build_call_array): Change args to be a const pointer.
21832         (build_call_vec): New function.
21833         * tree.h (build_nt_call_vec): Declare.
21834         (build_tree_list_vec_stat): Declare.
21835         (build_tree_list_vec): Define.
21836         (build_call_array): Update declaration.
21837         (build_call_vec): Declare.
21838         (ctor_to_vec): Declare.
21839         * c-common.c (tree_vector_cache): New static variable.
21840         (make_tree_vector): New function.
21841         (release_tree_vector): New function.
21842         (make_tree_vector_single): New function.
21843         (make_tree_vector_copy): New function.
21844         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
21845         (make_tree_vector_single, make_tree_vector_copy): Declare.
21846         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
21847         (c_parser_expr_list): Don't manage cache here, instead call
21848         make_tree_vector.
21849         (c_parser_release_expr_list): Remove static function.
21850         (c_parser_vec_to_tree_list): Remove static function.
21851         (c_parser_attributes): Call build_tree_list_vec instead of
21852         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
21853         c_parser_release_expr_list.
21854         (c_parser_postfix_expression_after_primary): Likewise.
21855         (c_parser_objc_keywordexpr): Likewise.
21856
21857 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
21858
21859         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
21860         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
21861         TARGET_CONVERT_TO_TYPE.
21862         * hooks.c (hook_tree_const_tree_null): Define.
21863         * hooks.h (hook_tree_const_tree_null): Declare.
21864         * target.h (struct gcc_target):  Add invalid_parameter_type,
21865         invalid_return_type, promoted_type, and convert_to_type fields.
21866         * target-def.h (TARGET_INVALID_PARAMETER_TYPE): Define.
21867         (TARGET_INVALID_RETURN_TYPE): Define.
21868         (TARGET_PROMOTED_TYPE): Define.
21869         (TARGET_CONVERT_TO_TYPE): Define.
21870         (TARGET_INITIALIZER): Update for new fields.
21871         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
21872         (grokparms): Check targetm.invalid_parameter_type.
21873         * c-typeck.c (default_conversion): Check targetm.promoted_type.
21874         * c-convert.c (convert): Check targetm.convert_to_type.
21875
21876 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
21877
21878         * config/mips/mips.md (*extenddi_truncate<mode>,
21879         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
21880         defintions.
21881         (*extendhi_truncateqi): New define_insn_and_sptit.
21882
21883 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
21884
21885         PR middle-end/40204
21886         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
21887         recursion if build_int_cst_type returns the same INTEGER_CST as arg1.
21888
21889 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
21890
21891         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
21892         the operand of VIEW_CONVERT_EXPR.
21893
21894 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
21895
21896         * config/i386/driver-i386.c (host_detect_local_cpu): Check
21897         extended family and model for Intel processors.  Support Intel Atom.
21898
21899 2009-05-20  Olivier Hainque  <hainque@adacore.com>
21900
21901         * gstab.h (stab_code_type): Define, to be used instead of the
21902         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
21903         notice.
21904         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
21905         occurrences by stab_code_type.
21906         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
21907
21908 2009-05-20  Martin Jambor  <mjambor@suse.cz>
21909
21910         * tree-flow.h (insert_edge_copies_seq): Undeclare.
21911         (sra_insert_before): Likewise.
21912         (sra_insert_after): Likewise.
21913         (sra_init_cache): Likewise.
21914         (sra_type_can_be_decomposed_p): Likewise.
21915         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
21916         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
21917         (sra_insert_before): Likewise.
21918         (sra_insert_after): Likewise.
21919         (sra_init_cache): Likewise.
21920         (insert_edge_copies_seq): Made static and moved upwards.
21921
21922         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
21923         case.
21924
21925         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
21926
21927         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
21928         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
21929         simple copies.
21930
21931 2009-05-20  Richard Guenther  <rguenther@suse.de>
21932
21933         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
21934         with mismatched comparison modes.
21935
21936 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
21937
21938         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
21939         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
21940         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
21941         with shifts for Thumb2.
21942         (orsi_notsi): New for orn.
21943         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
21944         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
21945         * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
21946         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
21947         Don't invert remainder for IOR.
21948
21949 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
21950
21951         PR tree-optimization/40087
21952         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
21953         number_of_iterations_ne): Rename never_infinite argument.
21954         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
21955         number_of_iterations_le): Handle pointer-type ivs when
21956         exit_must_be_taken is false.
21957         (number_of_iterations_cond):  Do not always assume that
21958         exit_must_be_taken if the control variable is a pointer.
21959
21960 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
21961
21962         * c-typeck.c (build_binary_op): Allow % on integal vectors.
21963         * doc/extend.texi (Vector Extension): Document that % is allowed too.
21964
21965 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
21966
21967         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
21968         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
21969
21970 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
21971
21972         PR c/40172
21973         * c.opt (Wlogical-op): Disabled by default.
21974         * c-opt (c_common_post_options): Do not enable Wlogical-op with
21975         Wextra.
21976         * doc/invoke.texi (Wlogical-op): Likewise.
21977
21978 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
21979
21980         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
21981         into CASE_CONVERT.
21982         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
21983         Propagate the type of the first operand.
21984         <ASSERT_EXPR>: Simplify.
21985         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
21986         Rewrite using the RHS code as discriminant.
21987         <NOP_EXPR>: Turn into CASE_CONVERT.
21988         <PLUS_EXPR>: Propagate the type of the first operand.
21989
21990 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
21991
21992         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
21993         (ia64_dconst_0_375): New.
21994         * config/ia64/ia64.c (ia64_override_options): Remove
21995         -minline-sqrt-min-latency warning.
21996         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
21997         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
21998         * config/ia64/ia64.md (*sqrt_approx): Remove.
21999         (sqrtsf2): Remove #if 0.
22000         (sqrtsf2_internal_thr): Rewrite and move to div.md.
22001         (sqrtdf): Remove assert.
22002         (sqrtdf2_internal_thr): Rewrite and move to div.md.
22003         (sqrtxf2): Remove #if 0.
22004         (sqrtxf2_internal_thr): Rewrite and move to div.md.
22005         * div.md (sqrt_approx_rf): New.
22006         (sqrtsf2_internal_thr): New implementation.
22007         (sqrtsf2_internal_lat): New.
22008         (sqrtdf2_internal_thr: New implementation.
22009         (sqrtxf2_internal): New implementation.
22010
22011 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
22012             Hans-Peter Nilsson  <hp@axis.com>
22013
22014         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
22015         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
22016         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
22017         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
22018         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
22019         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
22020         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
22021         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
22022         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
22023         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
22024         * c-common.c: ...from here.
22025
22026 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
22027
22028         * c-common.c (warn_logical_operator): Remove unnecessary conditionals.
22029
22030 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22031
22032         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
22033
22034 2009-05-19  Ben Elliston  <bje@au.ibm.com>
22035
22036         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
22037         assignments with memcpy calls.
22038         (add_fdes): Likewise.
22039         (binary_search_unencoded_fdes): Likewise.
22040         (linear_search_fdes): Eliminate type puns.
22041
22042 2009-05-19  Richard Guenther  <rguenther@suse.de>
22043
22044         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
22045         not falsely claim to have propagated into all uses.
22046
22047 2009-05-19  Ben Elliston  <bje@au.ibm.com>
22048
22049         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
22050         version to v3.0.
22051
22052 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
22053
22054         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
22055         * config/sh/sh.c (sh_legitimate_address_p): Make static.
22056         (TARGET_LEGITIMATE_ADDRESS_P): New.
22057         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22058         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
22059
22060 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
22061
22062         PR debug/40109
22063         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
22064         child of the containing namespace's DIE.
22065
22066 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
22067
22068         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
22069         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
22070         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
22071         extend patterns.
22072
22073 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
22074
22075         PR target/39942
22076         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
22077         gen_align with gen_pad.
22078         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
22079         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
22080
22081         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
22082         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
22083
22084         * config/i386/i386.md (align): Renamed to ...
22085         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
22086         ASM_OUTPUT_MAX_SKIP_PAD.
22087
22088 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
22089
22090         * config.gcc: Fix variable syntax.
22091
22092         PR target/39531
22093         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
22094         before calling exact_log2.
22095         (output_iorsi3): Likewise.
22096         (output_xorsi3): Likewise.
22097
22098 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
22099
22100         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
22101         for the none zero constant operand except for EQ and NE
22102         comprisons even when the first operand is R0.
22103
22104 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
22105
22106         * config/s390/2064.md: Remove trailing whitespaces.
22107         * config/s390/2084.md: Likewise.
22108         * config/s390/constraints.md: Likewise.
22109         * config/s390/fixdfdi.h: Likewise.
22110         * config/s390/libgcc-glibc.ver: Likewise.
22111         * config/s390/s390-modes.def: Likewise.
22112         * config/s390/s390-protos.h: Likewise.
22113         * config/s390/s390.c: Likewise.
22114         * config/s390/s390.h: Likewise.
22115         * config/s390/s390.md: Likewise.
22116         * config/s390/tpf-unwind.h: Likewise.
22117
22118 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
22119
22120         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
22121
22122 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
22123
22124         M68K TLS support.
22125         * configure.ac (m68k-*-*): Check if binutils support TLS.
22126         * configure: Regenerate.
22127         * config/m68k/predicates.md (symbolic_operand): Extend comment.
22128         * config/m68k/constraints.md (Cu): New constraint.
22129         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
22130         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
22131         (movsi): Handle TLS symbols.
22132         (addsi3_5200): Handle XTLS symbols, indent.
22133         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
22134         (m68k_tls_reference_p): Declare.
22135         (m68k_legitimize_address): Declare.
22136         (m68k_unwrap_symbol): Declare.
22137         * config/m68k/m68k.opt (mxtls): New option.
22138         * config/m68k/m68k.c (ggc.h): Include.
22139         (m68k_output_dwarf_dtprel): Implement hook.
22140         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
22141         (m68k_expand_prologue): Load GOT pointer when function needs it.
22142         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
22143         (m68k_legitimate_constant_address_p): Same.
22144         (m68k_decompose_address): Handle TLS references.
22145         (m68k_get_gp): New static function.
22146         (enum m68k_reloc): New contants.
22147         (TLS_RELOC_P): New macro.
22148         (m68k_wrap_symbol): New static function.
22149         (m68k_unwrap_symbol): New function.
22150         (m68k_final_prescan_insn_1): New static function.
22151         (m68k_final_prescan_insn): New function.
22152         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
22153         functions.
22154         (legitimize_pic_address): Handle TLS references..
22155         (m68k_tls_get_addr, m68k_get_tls_get_addr)
22156         (m68k_libcall_value_in_a0_p)
22157         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
22158         (m68k_call_m68k_read_tp): Helper variables and functions for ...
22159         (m68k_legitimize_tls_address): Handle TLS references.
22160         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
22161         New functions.
22162         (m68k_legitimize_address): Handle TLS symbols.
22163         (m68k_get_reloc_decoration): New static function.
22164         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
22165         UNSPEC_RELOC32.
22166         (m68k_output_dwarf_dtprel): Implement hook.
22167         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
22168         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
22169         m68k_call_* routines.
22170         (sched_attr_op_type): Handle TLS symbols.
22171         (gt-m68k.h): Include.
22172         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
22173         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
22174
22175 2009-05-18  Martin Jambor  <mjambor@suse.cz>
22176
22177         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
22178         (visit_store_addr_for_mod_analysis): New function.
22179         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
22180         (determine_cst_member_ptr): Use gimple_assign_single_p.
22181         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
22182         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
22183         operands.  Don't check number of operands of a NOP_EXPR.
22184
22185 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
22186
22187         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
22188
22189 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
22190
22191         PR c/40172
22192         * c-common.c (warn_logical_operator): Don't warn if one of
22193         expression isn't always true or false.
22194
22195 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
22196
22197         * config/i386/biarch32.h: New file.
22198         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
22199
22200 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
22201
22202         * config/mips/mips.md (*zero_extend<mode>_trunchi,
22203         *zero_extend<mode>_truncqi): Merge these into ...
22204         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
22205         Name the pattern following this as *zero_extendhi_truncqi.
22206
22207 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
22208
22209         PR middle-end/39301
22210         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
22211         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
22212         (output_info): Make field HOST_WIDEST_INT.
22213         (print_statistics): Use HOST_WIDEST_INT_PRINT.
22214         (dump_bitmat_statistics): Same.
22215
22216 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
22217
22218         * config.gcc (use_gcc_stdint):  Set to wrap.
22219         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
22220         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
22221         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
22222         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
22223         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
22224         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
22225         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
22226         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
22227
22228 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
22229
22230         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
22231         tune_64.
22232         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
22233         Move definitions earlier.
22234         (OPT_ARCH64, OPT_ARCH32): Define.
22235         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
22236         and tune_64.
22237
22238 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
22239
22240         PR target/40153
22241         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
22242         implies.
22243
22244 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
22245
22246         * arm.md (movdi2): Copy non-reg values to DImode registers.
22247
22248 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
22249
22250         PR target/39942
22251         * final.c (label_to_max_skip): New function.
22252         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
22253         CODE_LABEL_NUMBER <= max_labelno.
22254         * output.h (label_to_max_skip): New prototype.
22255         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
22256         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
22257         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
22258         Handle CODE_LABELs with >= 16 byte alignment or with
22259         max_skip == (1 << align) - 1.
22260         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
22261         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
22262
22263         PR target/39942
22264         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
22265         .p2align 3 if MAX_SKIP is smaller than 7.
22266         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
22267
22268 2009-05-15  Ian Lance Taylor  <iant@google.com>
22269
22270         * alias.c (struct alias_set_entry_d): Rename from struct
22271         alias_set_entry.  Change all uses.
22272         * except.c (struct call_site_record_d): Rename from struct
22273         call_site_record.  Change all uses.
22274         * except.h (struct eh_region_d): Rename from struct eh_region.
22275         Change all uses.
22276         * gcse.c (struct hash_table_d): Rename from struct hash_table.
22277         Change all uses.
22278         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
22279         ivtype_map_elt.  Change all uses.
22280         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
22281         Change all uses.
22282         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
22283         * graphite.h (struct name_tree_d): Rename from struct name_tree.
22284         Change all uses.
22285         (struct sese_d): Rename from struct sese.  Change all uses.
22286         * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
22287         (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
22288         * optabs.h (struct optab_d): Rename from struct optab.  Change all
22289         uses.
22290         (struct convert_optab_d): Rename from struct convert_optab.
22291         Change all uses.
22292         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
22293         ipa_opt_pass.  Change all uses.
22294         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
22295         all uses.
22296
22297         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
22298         defined as a typedef.
22299         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
22300         defined as a tag.
22301
22302 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
22303
22304         PR 16302
22305         * fold-const.c (make_range,build_range_check,merge_ranges): Move
22306         declaration to...
22307         (merge_ranges): Returns bool.
22308         * tree.h (make_range): .. to here.
22309         (build_range_check): Likewise.
22310         (merge_ranges): Likewise. Renamed from merge_ranges.
22311         * c-typeck.c (parser_build_binary_op): Update calls to
22312         warn_logical_operator.
22313         * c-common.c (warn_logical_operator): Add new warning.
22314         * c-common.h (warn_logical_operator): Update declaration.
22315
22316 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
22317
22318         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.
22319
22320 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22321
22322         * doc/install.texi: Document MPC requirements, flags etc.
22323
22324         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
22325         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
22326         Evaluate constant arguments.
22327         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
22328         (fold_builtin_1): Likewise, also evaluate constant arguments.
22329         Remove superfluous break.
22330         (do_mpc_ckconv): New.
22331         * real.h: Include mpc.h.
22332         * toplev.c (print_version): Output MPC version info if available.
22333
22334 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
22335
22336         * fold-const.c (fold_convert_const_real_from_real): Check for overflow.
22337
22338 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
22339
22340         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
22341         only once.
22342
22343 2009-05-15  Jan Hubicka  <jh@suse.cz>
22344
22345         * doc/invoke.texi (max-early-inliner-iterations): New flag.
22346         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
22347         (try_inline): Fix return value.
22348         (cgraph_decide_inlining_incrementally): Honor new value.
22349         (cgraph_early_inlining): Handle indirect inlining.
22350         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
22351
22352 2009-05-15  Jan Hubicka  <jh@suse.cz>
22353
22354         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
22355         * cgraphunit.c (cgraph_finalize_function): Set it.
22356         (cgraph_expand_function): Use it.
22357
22358 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
22359
22360         * real.c (encode_ieee_half): Define.
22361         (decode_ieee_half): Define.
22362         (ieee_half_format): Define.
22363         (arm_half_format): Define.
22364         * real.h (ieee_half_format): Declare.
22365         (arm_half_format): Declare.
22366
22367 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
22368
22369         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
22370         swapped, and reversed optabs exist before trying to use them.
22371
22372 2009-05-15  Paul Brook  <paul@codesourcery.com>
22373             Sandra Loosemore  <sandra@codesourcery.com>
22374
22375         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
22376         loads.  Allow PRE_DEC.
22377         (output_move_neon): Handle PRE_DEC.
22378         (arm_print_operand): Add 'A' for neon structure loads.
22379         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
22380         * config/arm/neon.md (neon_mov): Update comment.
22381         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
22382         calls.
22383         (Um): New constraint.
22384
22385 2009-05-15  Jan Hubicka  <jh@suse.cz>
22386
22387         Revert the following patch until testsuite fallout is fixed:
22388         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
22389         * cgraph.h (struct inline_summary): New filed self_wize,
22390         size_inlining_benefit, self_time and time_inlining_benefit.
22391         (struct cgraph_global_info): Replace insns by time ans size fields.
22392         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
22393         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
22394         (ipcp_update_callgraph): Do not touch function bodies.
22395         * ipa-inline.c: Include except.h
22396         (MAX_TIME): New constant.
22397         (overall_insns): Remove
22398         (overall_size, max_benefit): New static variables.
22399         (cgraph_estimate_time_after_inlining): New function.
22400         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
22401         (cgraph_clone_inlined_nodes): Update size.
22402         (cgraph_mark_inline_edge): Update size.
22403         (cgraph_estimate_growth): Use size info.
22404         (cgraph_check_inline_limits): Check size.
22405         (cgraph_default_inline_p): Likewise.
22406         (cgraph_edge_badness): Compute badness based on benefit and size cost.
22407         (cgraph_decide_recursive_inlining): Check size.
22408         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
22409         and times.
22410         (cgraph_decide_inlining): Likewise.
22411         (cgraph_decide_inlining_incrementally): Likewise; honor
22412         PARAM_EARLY_INLINING_INSNS.
22413         (likely_eliminated_by_inlining_p): New predicate.
22414         (estimate_function_body_sizes): New function.
22415         (compute_inline_parameters): Use it.
22416         * except.c (must_not_throw_labels): New function.
22417         * except.h (must_not_throw_labels): Declare.
22418         * tree-inline.c (init_inline_once): Kill inlining_weigths
22419         * tree-ssa-structalias.c: Avoid uninitialized warning.
22420         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
22421         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
22422         (PARAM_INLINE_CALL_COST): Remove.
22423         (PARAM_EARLY_INLINING_INSNS): New.
22424
22425 2009-05-15  Richard Guenther  <rguenther@suse.de>
22426
22427         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
22428         not TODO_update_ssa.
22429
22430 2009-05-15  Richard Guenther  <rguenther@suse.de>
22431
22432         PR tree-optimization/39999
22433         * gimple.h (gimple_expr_type): Use the expression type looking
22434         through useless conversions.
22435         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
22436         (vn_nary_op_insert_stmt): Likewise.
22437         (simplify_binary_expression): Likewise.
22438
22439 2009-05-15  Richard Guenther  <rguenther@suse.de>
22440
22441         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
22442         New options, enabled by default.
22443         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
22444         Document.
22445         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
22446         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
22447         * tree-ssa-structalias.c (gate_tree_pta): New function.
22448         (pass_build_alias): Use it.
22449
22450 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
22451
22452         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
22453         recurse on an invariant address if a conversion from a pointer
22454         type to a wider integer type is involved.
22455
22456 2009-05-15  Jan Hubicka  <jh@suse.cz>
22457
22458         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
22459         * cgraph.h (struct inline_summary): New filed self_wize,
22460         size_inlining_benefit, self_time and time_inlining_benefit.
22461         (struct cgraph_global_info): Replace insns by time ans size fields.
22462         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
22463         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
22464         (ipcp_update_callgraph): Do not touch function bodies.
22465         * ipa-inline.c: Include except.h
22466         (MAX_TIME): New constant.
22467         (overall_insns): Remove
22468         (overall_size, max_benefit): New static variables.
22469         (cgraph_estimate_time_after_inlining): New function.
22470         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
22471         (cgraph_clone_inlined_nodes): Update size.
22472         (cgraph_mark_inline_edge): Update size.
22473         (cgraph_estimate_growth): Use size info.
22474         (cgraph_check_inline_limits): Check size.
22475         (cgraph_default_inline_p): Likewise.
22476         (cgraph_edge_badness): Compute badness based on benefit and size cost.
22477         (cgraph_decide_recursive_inlining): Check size.
22478         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
22479         and times.
22480         (cgraph_decide_inlining): Likewise.
22481         (cgraph_decide_inlining_incrementally): Likewise; honor
22482         PARAM_EARLY_INLINING_INSNS.
22483         (likely_eliminated_by_inlining_p): New predicate.
22484         (estimate_function_body_sizes): New function.
22485         (compute_inline_parameters): Use it.
22486         * except.c (must_not_throw_labels): New function.
22487         * except.h (must_not_throw_labels): Declare.
22488         * tree-inline.c (init_inline_once): Kill inlining_weigths
22489         * tree-ssa-structalias.c: Avoid uninitialized warning.
22490         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
22491         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
22492         (PARAM_INLINE_CALL_COST): Remove.
22493         (PARAM_EARLY_INLINING_INSNS): New.
22494         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
22495         (inline-call-cost): Remove.
22496         (early-inlining-insns): New.
22497
22498 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
22499
22500         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
22501         for bounds.
22502         (print_int_cst_bounds_in_octal_p): Likewise.
22503         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
22504         with subtypes.
22505         * dwarf2out.c (base_type_die): Likewise.
22506         (is_subrange_type): Delete.
22507         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
22508         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
22509         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it
22510         if the destination type is boolean.
22511         (build_range_check): Do not special-case subtypes.
22512         (fold_sign_changed_comparison): Likewise.
22513         (fold_unary): Likewise.
22514         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
22515         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
22516         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
22517         * tree.c (subrange_type_for_debug_p): New predicate based on the
22518         former is_subrange_type.
22519         * tree.h (subrange_type_for_debug_p): Declare.
22520         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
22521         (convert_affine_scev): Remove call to above function.
22522         (chrec_convert_aggressive): Likewise.
22523         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
22524         false for conversions involving subtypes.
22525         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
22526         (vrp_val_min): Likewise.
22527         (needs_overflow_infinity): Likewise.
22528         (extract_range_from_unary_expr): Likewise.
22529
22530 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
22531
22532         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
22533         * config/frv/frv.c: Likewise.
22534         * config/s390/s390.c: Likewise.
22535         * config/sparc/sparc.h: Likewise.
22536         * config/i386/i386.h: Likewise.
22537         * config/i386/i386.c: Likewise.
22538         * config/crx/crx.c: Likewise.
22539         * config/m68hc11/m68hc11.h: Likewise.
22540         * config/iq2000/iq2000.c: Likewise.
22541         * config/mn10300/mn10300.h: Likewise.
22542         * config/mn10300/mn10300.c: Likewise.
22543         * config/m68k/m68k.c: Likewise.
22544         * config/rs6000/rs6000.c: Likewise.
22545         * config/rs6000/xcoff.h: Likewise.
22546         * config/rs6000/linux64.h: Likewise.
22547         * config/rs6000/sysv4.h: Likewise.
22548         * config/score/score3.c: Likewise.
22549         * config/score/score7.c: Likewise.
22550         * config/score/score.c: Likewise.
22551         * config/arm/arm.md: Likewise.
22552         * config/mips/mips.c: Likewise.
22553         * config/mips/mips.md: Likewise.
22554         * config/bfin/bfin.h: Likewise.
22555         * config/pa/pa.c: Likewise.
22556         * config/pa/constraints.md: Likewise.
22557
22558         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
22559         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
22560         * config/pdp11/pdp11.h: Use memory_address_p instead.
22561
22562 2009-05-14  Ian Lance Taylor  <iant@google.com>
22563
22564         * passes.c (finish_optimization_passes): Change i to int.
22565         * plugin.c (plugins_active_p): Change event to int.
22566         (dump_active_plugins): Likewise.
22567         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
22568         Add cast.
22569         * tree.c (tree_range_check_failed): Change c to unsigned int.
22570         (omp_clause_range_check_failed): Likewise.
22571         (build_common_builtin_nodes): Change mode to int.  Add cast.
22572         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
22573         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
22574
22575         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
22576         ++ or -- with a variable of enum type.
22577
22578 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
22579
22580         PR driver/40144
22581         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
22582
22583 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
22584
22585         * store-motion.c: Do not include params.h
22586         * Makefile.in: Fix dependencies for various files.
22587
22588 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
22589
22590         * auto-inc-dec.c: Fix pass description, remove apparent
22591         accidental duplication.
22592
22593 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
22594
22595         PR middle-end/40147
22596         * ipa-utils.h (memory_identifier_string): Moved to ...
22597         * tree.h (memory_identifier_string): Here.  Add GTY(()).
22598
22599 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
22600
22601         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
22602         in the former documentation of...
22603         (GO_IF_LEGITIMATE_ADDRESS): ... this.
22604         * ira-conflicts.c (get_dup_num): Use address_operand.
22605         * targhooks.c (default_legitimate_address_p): New.
22606         * targhooks.h (default_legitimate_address_p): New.
22607         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
22608         Call hook.
22609         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
22610         * target.h (struct target): Add legitimate_address_p.
22611         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
22612         (TARGET_INITIALIZER): Include it.
22613
22614         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22615         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
22616         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
22617         (TARGET_LEGITIMATE_ADDRESS_P): New.
22618
22619         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22620         (REG_OK_STRICT_P): Delete.
22621         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
22622         (frv_legitimate_address_p_1): ... this.
22623         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
22624         (frv_legitimate_address_p_1): ... the renamed old
22625         frv_legitimate_address_p.
22626         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
22627         (TARGET_LEGITIMATE_ADDRESS_P): New.
22628
22629         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22630         * config/s390/s390-protos.h (legitimate_address_p): Remove.
22631         * config/s390/s390.c (legitimate_address_p): Rename to...
22632         (s390_legitimate_address_p): ... this, make static.
22633         (legitimize_address): Adjust call.
22634         (TARGET_LEGITIMATE_ADDRESS_P): New.
22635         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
22636
22637         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22638         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
22639         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
22640         (TARGET_LEGITIMATE_ADDRESS_P): New.
22641
22642         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22643         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
22644         * config/spu/spu.c (spu_legitimate_address): Rename to...
22645         (spu_legitimate_address_p): ... this, make static.
22646         (TARGET_LEGITIMATE_ADDRESS_P): New.
22647
22648         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22649         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
22650         * config/sparc/sparc.c (legitimate_address_p): Rename to...
22651         (sparc_legitimate_address_p): ... this, make static and return bool.
22652         (legitimize_address): Adjust call.
22653         (TARGET_LEGITIMATE_ADDRESS_P): New.
22654
22655         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22656         * config/i386/i386-protos.h (legitimate_address_p): Remove.
22657         * config/i386/i386.c (legitimate_address_p): Rename to...
22658         (ix86_legitimate_address_p): ... this, make static.
22659         (constant_address_p): Move after it, adjust call.
22660         (TARGET_LEGITIMATE_ADDRESS_P): New.
22661
22662         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22663         * config/avr/avr-protos.h (legitimate_address_p): Remove.
22664         * config/avr/avr.c (legitimate_address_p): Rename to...
22665         (avr_legitimate_address_p): ... this, make static.
22666         (legitimize_address): Adjust call.
22667         (TARGET_LEGITIMATE_ADDRESS_P): New.
22668
22669         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22670         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
22671         * config/crx/crx.c (crx_legitimate_address_p): Make static.
22672         (TARGET_LEGITIMATE_ADDRESS_P): New.
22673
22674         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22675         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
22676         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
22677         (TARGET_LEGITIMATE_ADDRESS_P): New.
22678
22679         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22680         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
22681         Remove.
22682         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
22683         Make static.
22684         (TARGET_LEGITIMATE_ADDRESS_P): New.
22685
22686         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22687         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
22688         Remove.
22689         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
22690         Rename to...
22691         (m68hc11_legitimate_address_p): ... this, make static.
22692         (go_if_legitimate_address_internal): Rename to...
22693         (m68hc11_legitimate_address_p_1): ... this.
22694         (legitimize_address): Adjust call.
22695         (TARGET_LEGITIMATE_ADDRESS_P): New.
22696
22697         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22698         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
22699         * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
22700         (TARGET_LEGITIMATE_ADDRESS_P): New.
22701
22702         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22703         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
22704         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
22705         (mn10300_legitimate_address_p): ... this, make static.
22706         (TARGET_LEGITIMATE_ADDRESS_P): New.
22707
22708         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22709         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
22710         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
22711         (TARGET_LEGITIMATE_ADDRESS_P): New.
22712
22713         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22714         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
22715         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
22716         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22717         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
22718         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
22719         (rs6000_legitimate_address_p): ... this, make static.
22720         (TARGET_LEGITIMATE_ADDRESS_P): New.
22721         (REG_MODE_OK_FOR_BASE_P): Delete.
22722         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
22723
22724         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22725         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
22726         Delete.
22727         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
22728         static, adjust types.
22729         (TARGET_LEGITIMATE_ADDRESS_P): New.
22730
22731         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22732         * config/score/score.c (score_address_p): Rename to...
22733         (score_legitimate_address_p): ... this.
22734         (TARGET_LEGITIMATE_ADDRESS_P): New.
22735         * config/score/score3.c (score3_address_p): Rename to...
22736         (score3_legitimate_address_p): ... this.
22737         * config/score/score7.c (score7_address_p): Rename to...
22738         (score7_legitimate_address_p): ... this.
22739
22740         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
22741         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
22742         GO_IF_LEGITIMATE_ADDRESS): Delete.
22743         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
22744         thumb2_legitimate_address_p): Delete.
22745         (arm_legitimate_address_p): Rename to...
22746         (arm_legitimate_address_outer_p): ... this.
22747         * config/arm/constraints.md ("Uq"): Adjust call.
22748         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
22749         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one
22750         to...
22751         (arm_legitimate_address_outer_p): ... this.
22752         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make
22753         static.
22754         (TARGET_LEGITIMATE_ADDRESS_P): New.
22755
22756         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22757         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
22758         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
22759         (TARGET_LEGITIMATE_ADDRESS_P): New.
22760
22761         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22762         * config/vax/vax-protos.h (legitimate_address_p): Remove.
22763         * config/vax/vax.c (legitimate_address_p): Rename to...
22764         (vax_legitimate_address_p): ... this, make static.
22765         (TARGET_LEGITIMATE_ADDRESS_P): New.
22766
22767         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22768         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
22769         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
22770         (TARGET_LEGITIMATE_ADDRESS_P): New.
22771
22772         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22773         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
22774         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
22775         (mmix_legitimate_address_p): ... this, make static.
22776         (TARGET_LEGITIMATE_ADDRESS_P): New.
22777
22778         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22779         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
22780         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
22781         (TARGET_LEGITIMATE_ADDRESS_P): New.
22782
22783 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
22784
22785         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
22786         of MODE_COMPLEX_INT.
22787
22788 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
22789
22790         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
22791         LCT_NORMAL in function call.
22792         * mips-tdump.c (print_file_desc): Add cast to enum type.
22793         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
22794         (mark_stabs): Add casts to enum types.
22795         (parse_stabs_common): Add casts to enum types.
22796
22797 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
22798
22799         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
22800         Check for invalid values of LETTER.
22801
22802 2009-05-13  Taras Glek  <tglek@mozilla.com>
22803
22804         * attribs.c (register_attribute): moved out attribute registration
22805         into register_attribute.
22806         * doc/plugins.texi: Documented register_attribute and
22807         PLUGIN_ATTRIBUTES.
22808         * gcc-plugin.h: Added forward decl for register_attribute.
22809         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
22810         * plugin.c (register_callback, invoke_plugin_callbacks): Added
22811         PLUGIN_ATTRIBUTES boilerplate.
22812
22813 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
22814
22815         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
22816         values even in sentinel and empty entries.
22817         (ms_printf_flag_specs):  Likewise.
22818         (ms_scanf_flag_specs):  Likewise.
22819         (ms_strftime_flag_specs):  Likewise.
22820         (ms_print_char_table):  Likewise.
22821         (ms_scan_char_table):  Likewise.
22822         (ms_time_char_table):  Likewise.
22823
22824 2009-05-13  Doug Kwan  <dougkwan@google.com>
22825
22826         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
22827
22828 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
22829
22830         * config/mips/mips.md (store): Add attributes for QI and HI.
22831         Update comment.
22832         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
22833         (truncdi<mode>2): ... this new pattern.
22834
22835 2009-05-13  Brad Hards  <bradh@kde.org>
22836
22837         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
22838
22839 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
22840             Ben Elliston <bje@au.ibm.com>
22841
22842         PR middle-end/40035
22843         * dse.c (check_mem_read_rtx): Guard against width == -1.
22844
22845 2009-05-13  Michael Matz  <matz@suse.de>
22846
22847         PR middle-end/39976
22848         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
22849         (trivially_conflicts_p): New function.
22850         (insert_backedge_copies): Use it.
22851
22852 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
22853
22854         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
22855         (handle_stdc_pragma): Use new enum constant names.
22856         (handle_pragma_float_const_decimal64): Ditto.
22857
22858 2009-05-13  Ian Lance Taylor  <iant@google.com>
22859
22860         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
22861         tree.def.
22862
22863 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
22864
22865         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
22866         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
22867         multilibs.
22868         * config/m68k/m68k.h (FL_UCLINUX): Define.
22869
22870 2009-05-13  Jan Hubicka  <jh@suse.cz>
22871
22872         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
22873
22874 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
22875
22876         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
22877         unless -fschedule-insns is specified.
22878
22879 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
22880
22881         PR target/39561
22882         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
22883         TARGET_EXPAND_CBRANCHDI4.
22884         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
22885         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
22886         (cmpeqdi): Fix comment.
22887
22888 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
22889
22890         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
22891         (sh_legitimate_address_p): Likewise.
22892         * config/sh/sh.c (sh_legitimate_index_p): New.
22893         (sh_legitimate_address_p): Likewise.
22894         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
22895         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
22896         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
22897         (MAYBE_BASE_REGISTER_RTX_P): New macro.
22898         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
22899         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
22900         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
22901         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
22902         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
22903
22904 2009-05-12  Jan Hubicka  <jh@suse.cz>
22905
22906         * tree-inline.c (estimate_operator_cost): Add operands;
22907         when division happens by constant, it is cheap.
22908         (estimate_num_insns): Loads and stores are not having cost of 0;
22909         EH magic stuff is cheap; when computing runtime cost of switch,
22910         use log2 base of amount of its cases; builtin_expect has cost of 0;
22911         compute cost for moving return value of call.
22912         (init_inline_once): Initialize time_based flags.
22913         * tree-inline.h (eni_weights_d): Add time_based flag.
22914
22915 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
22916
22917         * df-core.c: Update head documentation.
22918
22919 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
22920
22921         PR bootstrap/40118
22922         * rs6000.c (rs6000_generate_compare): Use op1b instead of
22923         shadowing exisiting variable op1.
22924
22925 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
22926
22927         PR target/37179
22928         * config/i386/driver-i386.c (processor_signatures): New enum.
22929         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
22930         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
22931         processor signature to detect geode processor.
22932
22933 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
22934
22935         Revert:
22936
22937         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
22938
22939         * optabs.c (prepare_cmp_insn): Temporarily disable test that
22940         causes spurious differences between trunk and cond-optab branch.
22941
22942 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
22943
22944         * dojump.c (compare_from_rtx): Delete.
22945         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
22946         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
22947         if the comparison does not satisfy the predicate; test predicates for
22948         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
22949         further if one existing pattern fails.
22950         * expr.h (compare_from_rtx): Delete.
22951         (prepare_operand): Declare it.
22952         * optabs.c: Change "lib call" to "libcall" throughout.
22953         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
22954         HAVE_conditional_trap, emit_cmp_insn): Delete.
22955         (can_compare_p): Delete cmp_optab case.
22956         (prepare_float_lib_cmp): Return an rtx and a machine mode.
22957         Accept other parameters by value.
22958         (prepare_operand): Make non-static.
22959         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
22960         other parameters by value.  Try to widen operands here based on
22961         an optab_methods argument and looking at cbranch_optab.
22962         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
22963         loop.  Use cbranch_optab directly.
22964         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
22965         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
22966         assertion.
22967         (emit_conditional_move, emit_conditional_add): Inline what's needed
22968         of compare_from_rtx, using new prepare_cmp_insn for the rest.
22969         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
22970         with COMPARE.  Move cmov_optab and cstore_optab above
22971         with cbranch_optab, move cmp_optab down with ucmp_optab,
22972         remove tst_otpab.  Do not initialize trap_rtx.
22973         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
22974         for trap code.  Do not check HAVE_conditional_trap.  Use
22975         prepare_cmp_insn.  Accept no predicate for operand 3.
22976         * optabs.h (OTI_cmp): Mark as used only for libcalls.
22977         (OTI_ctrap, ctrap_optab): New.
22978         (tst_optab): Delete.
22979         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
22980         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
22981         with lookup of ctrap_optab.
22982         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn, setcc_gen_code):
22983         Delete.
22984         (ctrap_optab): New.
22985
22986         * combine.c (combine_simplify_rtx, simplify_set): Do not
22987         special case comparing against zero for cc0 machines.
22988         * simplify-rtx.c (simplify_binary_operation_1): Never remove
22989         COMPARE on cc0 machines.
22990         (simplify_relational_operation): Return a new expression when
22991         a COMPARE could be removed.
22992         * final.c (final_scan_insn): Compare cc_status values
22993         against LHS of a (compare FOO (const_int 0)) cc0 source.
22994         Also check if cc_status.value is the full compare.
22995
22996         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
22997         (cstoreMM4): Document.
22998         (conditional_trap): Document ctrapMM4 instead.
22999         (sync_compare_and_swapMM): Refer to cbranchcc4.
23000         (Dependent Patterns): Eliminate obsolete information referring to
23001         the old jump optimization phase.
23002         (Canonicalization): Include cbranchcc4 case, omit canonicalization
23003         of compares with 0 on cc0 machines.
23004         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
23005         avoiding references to cc0.  Remove text about storing operands
23006         in cmpMM.
23007         * doc/tm.texi (Condition Codes): Include blurb on different
23008         condition code representations, separate into subsections for
23009         CC0, MODE_CC and conditional execution.
23010
23011         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
23012         alpha_emit_setcc): Accept operands and a machine mode.
23013         * config/alpha/alpha.c (alpha_emit_conditional_branch):
23014         Get code/op0/op1 from operands, use machine mode argument
23015         instead of alpha_compare.fp_p.  Emit the branch here.
23016         (alpha_emit_setcc): Likewise, and return boolean.
23017         (alpha_emit_conditional_move): Likewise.  Assert that
23018         cmp_op_mode == cmp_mode, and simplify accordingly.
23019         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
23020         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
23021         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
23022         Delete.
23023         (stack probe test): Use cbranchdi4.
23024         * config/alpha/predicates.md (alpha_cbranch_operator): New.
23025
23026         * config/arc/arc.c (gen_compare_reg): Do not emit cmp.
23027         * config/arc/arc.h (movsicc, movsfcc): Use it.
23028         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
23029         (cbranchsi4, cstoresi4): New.
23030         (cmpsi, bCC and sCC expanders): Remove.
23031
23032         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
23033         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
23034         * config/arm/predicates.md (arm_comparison_operator): Only include
23035         floating-point operators if there is a hardware floating-point unit.
23036         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
23037         deferring to cbranch_cc and cstore_cc respectively.
23038         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
23039         cbranch_cc, cstore_cc): New.
23040         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
23041         arm_compare_op1.
23042         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
23043
23044         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
23045         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
23046         as an argument.
23047         (adjust_insn_length): Adjust calls.
23048         (avr_reorg): Handle (compare (foo) (const_int 0)).
23049         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
23050         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
23051         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
23052         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
23053         (bCC): Remove.
23054         (cbranchqi4, cbranchhi4, cbranchsi4): New.
23055         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
23056
23057         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
23058         (cbranchsi4, cstorebi4, cstoresi4): New.
23059         (movbisi): This insn is duplicate, split it to zero_extend.
23060         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
23061         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
23062         (bfin_optimize_loop): Use cbranch expander.
23063         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
23064         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
23065         (bfin_bimode_comparison_operator): ... this.
23066         (bfin_direct_comparison_operator): New.
23067
23068         * config/cris/cris.c (cris_normal_notice_update_cc): Look
23069         inside (compare FOO (const_int 0)).
23070         (cris_rtx_costs): Handle ZERO_EXTRACT.
23071         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
23072         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
23073         (*tstdi_v32): Delete.
23074         (*cmpdi_non_v32): Add M alternative for operand 1.
23075         (cmpsi, cmp<mode>): Make private.
23076         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
23077         with COMPARE.
23078         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
23079
23080         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
23081         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
23082         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
23083         (cc_reg_operand): New.
23084         (any_cond): Delete.
23085         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
23086         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
23087         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
23088         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
23089         crx_expand_scond): Delete.
23090
23091         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
23092         (cbranchsi4): New.
23093         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
23094         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
23095
23096         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
23097         cstoresi4, cstoresf4, cstoredf4): New.
23098         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
23099         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
23100         Receive the entire operands array.
23101         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
23102         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
23103         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
23104         Get test/op0/op1 from the operands array.
23105         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
23106
23107         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
23108         (h8300_expand_store): New.
23109         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
23110         (const_int 0)).
23111         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
23112         (h8300_expand_store): New.
23113         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
23114         or do not try to produce (set (cc0) REG).
23115         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
23116         change a compare into a move to a scratch register.  Disable some
23117         peepholes when comparing with zero.
23118         (tstsi, tsthi, tstsi, cmpqi): Make private.
23119         (cmphi): Delete.
23120         (bCC, sCC): Delete.
23121         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
23122         cstoresi4): New.
23123
23124         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
23125         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
23126         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
23127         (ix86_emit_i387_log1p): Use cbranchxf2.
23128         (ix86_expand_setcc): Return void.
23129         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
23130         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
23131         cmp<MODEF>, cmpcc): Remove.
23132         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
23133         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
23134         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
23135         (sCC and bCC expanders): Remove.
23136         (stack_protect_test): Use cbranchcc4.
23137
23138         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
23139         Delete.
23140         (ia64_expand_compare): Accept three rtx by reference and return void.
23141         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
23142         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
23143         from *expr.  Update *expr with the BImode comparison to do.
23144         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
23145         cmptf, bCC, sCC, conditional_trap): Delete.
23146         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4,
23147         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
23148         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
23149         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
23150         * config/ia64/predicates.md (ia64_cbranch_operator): New.
23151
23152         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
23153         type of last argument.
23154         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
23155         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
23156         use machine mode argument instead of branch_type.  Remove dead
23157         code for floating-point comparisons.
23158         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
23159         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
23160         Remove.
23161         (cbranchsi4, cstoresi4): New.
23162         * config/iq2000/predicates.md (reg_or_const_operand): New.
23163
23164         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
23165         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
23166         (b<code>_op): Rewrite to...
23167         (bcc_op): ... this, using match_operator.
23168         (s<code>_op): Rewrite to...
23169         (scc_op): ... this, using match_operator.
23170         (s<code>_24_op): Rewrite to...
23171         (scc_op_24): ... this, using match_operator.
23172         (s<code>_<mode>): Rewrite to...
23173         (cstore<mode>4): ... this, using match_operator.
23174         (s<code>_<mode>_24): Rewrite to...
23175         (cstore<mode>4_24): ... this, using match_operator.
23176         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
23177         m32c_unpend_compare, m32c_expand_scc): Delete.
23178         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
23179         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
23180         (m32c_expand_movcc): Change NE to EQ if necessary.
23181         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
23182
23183         * config/m32r/m32r-protos.h (gen_cond_store): New.
23184         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
23185         (gen_cond_store): New, from sCC patterns.
23186         (m32r_expand_block_move): Use cbranchsi4.
23187         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
23188         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
23189         (cbranchsi4, cstoresi4): New.
23190
23191         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
23192         Delete.
23193         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
23194         (m68hc11_notice_update_cc): Look into a compare with 0.
23195         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
23196         Delete.
23197         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
23198         cmphi, cmpqi, bCC): Delete.
23199         (cbranchsi4, cbranchhi4, cbranchqi4): New.
23200         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
23201         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
23202         sets with COMPARE.
23203
23204         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
23205         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
23206         * config/m68k/constraints.md (H): New.
23207         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
23208         the define_insn below.
23209         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
23210         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
23211         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
23212         patterns): Wrap RHS with COMPARE.
23213         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
23214         (*cmpdi_internal): Name this pattern.
23215         (cmpdi): Change to define_insn.
23216         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
23217         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
23218         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
23219         predicate.
23220         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
23221         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
23222         (conditional_trap): Change to...
23223         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
23224         (*conditional_trap): Use the ordered_comparison_operator and
23225         const1_operand predicates.
23226         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
23227         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
23228         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
23229         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
23230
23231         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
23232         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
23233         (mcore_gen_compare): New.
23234         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
23235         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
23236         (mcore_gen_compare): ... this.
23237         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
23238         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
23239         (stack probe pattern): Use cbranchsi4.
23240
23241         * config/mips/predicates.md (mips_cstore_operator): New.
23242         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
23243         * config/mips/mips.md (any_cond): Delete.
23244         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
23245         always succeed.
23246         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
23247         fixuns_truncsfdi2): Use cbranch patterns.
23248         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete.
23249         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
23250         Adjust call to mips_expand_conditional_branch.
23251         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
23252         cstore<GPR:mode>4.
23253         * config/mips/mips-protos.h (mips_expand_conditional_branch,
23254         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
23255         * config/mips/mips.c (cmp_operands): Delete.
23256         (mips_emit_compare): Get comparison operands from *op0/*op1.
23257         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
23258         that it succeeds.  Use op0/op1 instead of cmp_operands.
23259         (mips_expand_conditional_branch, mips_expand_conditional_move,
23260         mips_expand_conditional_trap): Likewise.
23261         (mips_block_move_loop): Use cbranch patterns.
23262         * config/mips/mips.h (cmp_operands): Delete.
23263
23264         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
23265         (mmix_gen_compare_reg): Just return a register in the right CC mode.
23266         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
23267         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
23268         (*cmpcc_folded): Rename to...
23269         (*cmpdi_folded): this.
23270         (*cmpcc): Rename to...
23271         (*cmps): ... this.
23272         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
23273         (bCC): Remove.
23274         (cbranchdi4): New.
23275         (cbranchdf4): New.  Handle invalid comparisons here.
23276         * config/mmix/predicates.md (float_comparison_operator): New.
23277
23278         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
23279         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
23280         * config/mn10300/mn10300.md (tst): Delete.
23281         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
23282         Name these patterns and wrap RHS in a compare.
23283         (*cmpsi): Make this pattern private.  Include tst.
23284         (*cmpsf): Make this pattern private.
23285         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
23286         (compare with zero peepholes): Likewise.
23287         (bCC): Remove.
23288         (cbranchsi4, cbranchsf4): New.
23289         (casesi): Use cbranchsi4.
23290
23291         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
23292         hppa_branch_type): Delete.
23293         (return_addr_rtx): Use cbranchsi4.
23294         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
23295         Emit CCFPmode comparison here.
23296         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
23297         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
23298         hppa_branch_type): Delete.
23299         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
23300         (movsicc, movdicc): Remove references to hppa_compare_op0,
23301         hppa_compare_op1 and compare_from_rtx.
23302         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
23303         (casesi): Use cbranchsi4.
23304
23305         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
23306         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
23307         * config/pdp11/pdp11.md (register_or_const0_operand): New.
23308         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
23309         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
23310         (bCC): Delete.
23311         (cbranchdf4, cbranchhi4, cbranchqi4): New.
23312         (*branch, *branch_inverted): New.
23313
23314         * config/picochip/picochip.md (cbranchhi4): Use
23315         ordered_comparison_operator.
23316         (cmphi, bCC): Remove.
23317
23318         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
23319         (trap_comparison_operator): Delete.
23320         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
23321         rs6000_emit_cbranch): Accept mode and operands.
23322         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
23323         rs6000_compare_fp_p): Delete.
23324         (rs6000_generate_compare): Accept mode and comparison.  Extract code
23325         and op0/op1 from there.  Replace references to rs6000_compare_op0
23326         and rs6000_compare_op1.
23327         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
23328         extract result from passed operands.
23329         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
23330         extract loc from passed operands.
23331         (rs6000_emit_cmove): Likewise.
23332         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
23333         rs6000_compare_fp_p): Delete.
23334         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
23335         (cbranch<GPR>4, cbranch<FP>4): New.
23336         (cstore<mode>4): New.  Consolidate here all choices about when to use
23337         portable or specialized sCC sequences.
23338         (stack_protect_test): Use cbranchsi4.
23339         (conditional_trap): Replace with ctrap<GPR>4.
23340         (conditional trap insn): Replace trap_comparison_operator with
23341         ordered_comparison_operator.
23342
23343         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
23344         (s390_emit_prologue): Use ctrap.
23345         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
23346         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
23347         New predicates replacing...
23348         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
23349         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
23350         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
23351         (add<mode>cc): Do not use s390_compare_op0/op1.
23352         (s<code>): Change to...
23353         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
23354         (seq): Change to...
23355         (cstorecc4): ... this.  Handle EQ or NE equally.
23356         (*sne): Un-privatize for use in cstorecc4.
23357         (b<code>): Change to...
23358         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
23359         (conditional_trap): Replace with...
23360         (ctrap<GPR>4, ctrap<FP>4): ... these.
23361         (stack_protect): Use cbranchcc4.
23362
23363         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
23364         * config/score/score-protos.h (score_gen_cmp): Delete.
23365         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
23366         (score_block_move-loop): Use cbranchsi4.
23367         * config/score/score.md (cbranchsi4): New.
23368         (cmpsi, bCC): Delete.
23369         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
23370         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
23371         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
23372         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
23373         * config/score/score3.h (score3_gen_cmp): Delete.
23374         * config/score/score7.h (score7_gen_cmp): Delete.
23375
23376         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
23377         (sh_emit_scc_to_t): ... this.  Return void.
23378         (from_compare): Rename to...
23379         (sh_emit_compare_and_branch): ... this.
23380         (sh_emit_compare_and_set): New.
23381         (sh_expand_t_scc): Accept operands.
23382         * config/sh/predicates.md (sh_float_comparison_operator): New.
23383         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
23384         (prepare_scc_operands): Rename to...
23385         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
23386         arguments.
23387         (sh_emit_cheap_store_flag): New.
23388         (sh_emit_set_t_insn): New.
23389         (from_compare): Rename to...
23390         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
23391         handling of TARGET_SH2E floating point to avoid recursive call.
23392         Generate branch here.
23393         (sh_emit_compare_and_set): New.
23394         (sh_expand_t_scc): Get op0/op1 from arguments.
23395         (sh_emit_cheap_store_flag): New.
23396         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
23397         cases.
23398         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
23399         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
23400         (movsicc, movdicc): Do nothing when it recreated operands from
23401         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
23402         prepare_scc_operands (now sh_emit_scc_to_t).
23403         (udivdi3): Use cstoresi4.
23404         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
23405         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
23406         (cbranchint4_media, cbranchfp4_media): New.
23407         (casesi): Use cbranchdi4.
23408         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
23409         Delete.
23410         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
23411         (movnegt): Remove second operand.
23412         (cbranchsf4, cbranchdf4): New.
23413         (stack_protect): Use cbranchdi4/cbranchsi4.
23414
23415         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
23416         (gen_compare_reg): Accept comparison, extract part of it to...
23417         (gen_compare_reg_1): ... this.
23418         (gen_compare_operator): Delete.
23419         (gen_v9_scc): Accept separate destination, comparison code and arms.
23420         Do not use sparc_compare_op0/sparc_compare_op1.
23421         (emit_scc_insn, emit_conditional_branch_insn): New.
23422         (emit_v9_brxx): Make static.  Remove useless assertion.
23423         (sparc_emit_float_lib_cmp): Return RTL instead of calling
23424         emit_cmp_insn.
23425         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
23426         * config/sparc/sparc-protos.h (gen_compare_reg,
23427         sparc_emit_float_lib_cmp): Adjust prototype.
23428         (emit_scc_insn, emit_conditional_branch_insn): New.
23429         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
23430         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
23431         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
23432         iterators to the top.
23433         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
23434         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
23435         snedi_special_trunc): Delete.
23436         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
23437         and snedi_special_trunc.
23438         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
23439         cbranchdi4, cbranch<F:mode>4): New.
23440         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
23441         here.  Use gen_compare_reg instead of gen_compare_operator.
23442         (conditional_trap): Replace with...
23443         (ctrapsi4, ctrapdi4): ... this.
23444         (stack_protect_test): Use cbranchcc4.
23445
23446         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
23447         argument to rtx.
23448         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove.
23449         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
23450         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
23451         from operands[0] or operands[3] depending on is_set.
23452         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
23453         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
23454         cmpdf, bCC), sCC: Remove.
23455         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4,
23456         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
23457         cstoredf4): New.
23458         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
23459         spu_emit_branch_or_set.
23460
23461         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
23462         Add two arguments.
23463         * config/stormy16/stormy16.h (xstormy16_compare_op0,
23464         xstormy16_compare_op1): Delete.
23465         * config/stormy16/stormy16.c (xstormy16_compare_op0,
23466         xstormy16_compare_op1): Delete.
23467         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
23468         Adjust calls.
23469         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
23470         (cmphi, cmpsi, bCC): Remove.
23471
23472         * config/v850/v850.md (tstsi, cmpsi): Fold into...
23473         (*cmpsi): ... this one.
23474         (cbranchsi4, cstoresi4): New.
23475         (bCC expanders): Delete.
23476         (sCC insns): Fold into...
23477         (*setcc): ... this one.
23478         (casesi): Do not use gen_cmpsi and gen_bgtu.
23479         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
23480         (movsicc): Simplify.
23481         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
23482
23483         * config/vax/vax-protos.h (cond_name): New.
23484         (vax_output_conditional_branch): Remove.
23485         * config/vax/vax.c (cond_name): New.
23486         (vax_output_conditional_branch): Remove.
23487         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
23488         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
23489         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
23490         (bit<VAXint>): Wrap source with (compare).
23491         (b<code> and following unnamed pattern): Rename to *branch and
23492         *branch_reversed.  Change macroization to match_operator.
23493         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
23494
23495         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
23496         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
23497         Change last argument to machine_mode.
23498         (xtensa_expand_scc): Add machine_mode argument.
23499         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
23500         (gen_conditional_move, xtensa_expand_conditional_branch,
23501         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
23502         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
23503         Adjust operand numbers.
23504         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
23505         Delete.
23506         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
23507         (cmpsi, cmpsf, b<code>, s<code>): Delete.
23508         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
23509
23510 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
23511
23512         * optabs.c (prepare_cmp_insn): Temporarily disable test that
23513         causes spurious differences between trunk and cond-optab branch.
23514
23515 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
23516
23517         PR target/37137
23518         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
23519
23520 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
23521
23522         * tree.c (iterative_hash_pointer): Delete.
23523         (iterative_hash_expr): Short-circuit handling of NULL pointer.
23524         Hash UIDs and versions of SSA names.  Don't special-case built-in
23525         function declarations.
23526
23527 2009-05-11  Ian Lance Taylor  <iant@google.com>
23528
23529         PR bootstrap/40103
23530         * graphite.c: Force -Wc++-compat to only be a warning before
23531         #including "cloog/cloog.h".
23532
23533 2009-05-11  Martin Jambor  <mjambor@suse.cz>
23534
23535         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
23536
23537 2009-05-11  Jan Hubicka  <jh@suse.cz>
23538
23539         * tree-ssa-loop-ivcanon.c: Include target.h
23540         (struct loop_size): new structure.
23541         (constant_after_peeling): New predicate.
23542         (tree_estimate_loop_size): New function.
23543         (estimated_unrolled_size): Rewrite for new estimates.
23544         (try_unroll_loop_completely): Use new estimates.
23545         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
23546
23547 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
23548
23549         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
23550         libcpp interface change.
23551         (spu_macro_to_expand): Likewise.
23552
23553 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
23554
23555         PR tree-optimization/40026
23556         * gimplify.c (gimplify_init_constructor): Change initial conditional
23557         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
23558         optimize_compound_literals_in_ctor.
23559
23560 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
23561
23562         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
23563         New devices.
23564         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
23565
23566 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
23567
23568         * tree-vect-data-refs.c (vect_analyze_group_access): Use
23569         HOST_WIDE_INT for gap.
23570
23571 2009-05-11  Ira Rosen  <irar@il.ibm.com>
23572
23573         PR tree-optimization/40074
23574         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
23575         account in group size and step comparison.
23576
23577 2009-05-11  Richard Guenther  <rguenther@suse.de>
23578
23579         * passes.c (init_optimization_passes): Strip now incorrect comment.
23580         (execute_function_todo): Do not set PROP_alias.
23581         * tree-pass.h (PROP_alias): Remove.
23582         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
23583         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
23584         * tree-nrv.c (pass_return_slot): Likewise.
23585         * tree-object-size.c (pass_object_sizes): Likewise.
23586         * tree-ssa-dom.c (pass_dominator): Likewise.
23587         (pass_phi_only_cprop): Likewise.
23588         * tree-ssa-dse.c (pass_dse): Likewise.
23589         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
23590         (pass_cselim): Likewise.
23591         * tree-ssa-pre.c (pass_pre): Likewise.
23592         (pass_fre): Likewise.
23593         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
23594         * tree-ssa-sink.c (pass_sink_code): Likewise.
23595         * tree-stdarg.c (pass_stdarg): Likewise.
23596         * tree-tailcall.c (pass_tail_calls): Likewise.
23597         * tree-vrp.c (pass_vrp): Likewise.
23598
23599 2009-05-10  Ian Lance Taylor  <iant@google.com>
23600
23601         * basic-block.h (enum profile_status): Break out of struct
23602         control_flow_graph.
23603         * cgraph.h (struct inline_summary): Break out of struct
23604         cgraph_local_info.
23605         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
23606         of struct cgraph_order_sort.
23607         * combine.c (enum undo_kind): New enum, broken out of struct undo.
23608         * cse.c (struct branch_path): Break out of struct
23609         cse_basic_block_data.
23610         * except.h (enum eh_region_type): Break out of struct eh_region.
23611         * gcc.c (enum add_del): Break out of struct modify_target.
23612         * genrecog.c (enum decision_type): Break out of struct decision_test.
23613         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
23614         ggc_pch_data.
23615         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
23616         * regmove.c (enum match_use): New enum, broken out of struct match.
23617         * sched-int.h (enum post_call_group): New enum, broken out of
23618         struct deps.
23619         (struct deps_reg): Break out of struct deps.
23620         * target.h (struct asm_int_op): Break out of struct gcc_target.
23621         * tree-eh.c (struct goto_queue_node): Break out of struct
23622         leh_tf_state.
23623         * tree-inline.h (enum copy_body_cge_which): Break out of
23624         copy_body_data.
23625         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
23626
23627         * c-decl.c (in_struct, struct_types): New static variables.
23628         (pushtag): Add loc parameter.  Change all callers.
23629         (lookup_tag): Add ploc parameter.  Change all callers.
23630         (check_compound_literal_type): New function.
23631         (parser_xref_tag): Add loc parameter.  Change all callers.  If
23632         -Wc++-compat, warn about struct/union/enum types defined within a
23633         struct or union.
23634         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
23635         and loc parameters.  Change all callers.  Change error calls to
23636         error_at, using loc.  For a redefinition, if the location of the
23637         original definition is known, report it.  Set in_struct and
23638         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
23639         (finish_struct): Add new parameters enclosing_in_struct and
23640         enclosing_struct_types.  Change all callers.  Set
23641         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
23642         in the struct.  If in a struct, add this struct to struct_types.
23643         (start_enum): Add loc parameter.  Change all callers.  Use
23644         error_at for errors, using loc.  For a redefinition, if the
23645         location of the original definition is known, report it.  If in a
23646         struct, add this enum type to struct_types.  If -Wc++-compat warn
23647         if in sizeof, typeof, or alignof.
23648         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
23649         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
23650         (c_parser_enum_specifier): Get enum location for start_enum.
23651         (c_parser_struct_or_union_specifier): Get struct location for
23652         start_struct.  Save in_struct and struct_types status between
23653         start_struct and finish_struct.
23654         (c_parser_cast_expression): Get location of cast.
23655         (c_parser_alignof_expression): Get location of type.
23656         (c_parser_postfix_expression): Likewise.
23657         (c_parser_postfix_expression_after_paren_type): Add type_loc
23658         parameter.  Change all callers.  Call check_compound_literal_type.
23659         Use type_loc for error about variable size type.
23660         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
23661         of an enum constant from an enum type defined in a struct or union.
23662         (c_cast_expr): Add loc parameter.  Change all callers.  If
23663         -Wc++-compat, warn about defining a type in a cast.
23664         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
23665         (start_enum, start_struct, finish_struct): Update declarations.
23666         (parser_xref_tag, c_cast_expr): Update declarations.
23667         (check_compound_literal_type): Declare.
23668
23669 2009-05-11  Ben Elliston  <bje@au.ibm.com>
23670
23671         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
23672         for recent libcpp interface change.
23673         (rs6000_macro_to_expand): Likewise.
23674
23675 2009-05-10  Michael Matz  <matz@suse.de>
23676
23677         PR target/40031
23678         * config/arm/arm.c (require_pic_register): Emit on entry edge,
23679         not at entry of function.
23680
23681 2009-05-10  Richard Guenther  <rguenther@suse.de>
23682
23683         PR tree-optimization/40081
23684         Revert
23685         * tree-sra.c (instantiate_element): Instantiate scalar replacements
23686         using the main variant of the element type.  Do not fiddle with
23687         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
23688
23689         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
23690         structs with volatile fields.
23691
23692 2009-05-10  Jan Hubicka  <jh@suse.cz>
23693
23694         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
23695         (estimate_move_cost): Assert that it does not get called for
23696         VOID_TYPE_P.
23697         (estimate_num_insns): Skip VOID types in argument handling.
23698         (optimize_inline_calls): Delete unreachable blocks and verify that
23699         callgraph is valid.
23700
23701 2009-05-10  Jan Hubicka  <jh@suse.cz>
23702
23703         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
23704         * cgraph.c (cgraph_mark_address_taken_node): New function.
23705         (dump_cgraph_node): Dump new flag.
23706         * cgraph.h (struct cgraph_node): Add address_taken.
23707         (cgraph_mark_address_taken_node): New function.
23708         * ipa.c (cgraph_postorder): Prioritize functions with address taken
23709         since new direct calls can be born.
23710
23711 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
23712
23713         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
23714         tok->val.node.node.
23715
23716 2009-05-10  Jan Hubicka  <jh@suse.cz>
23717
23718         PR middle-end/40084
23719         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
23720         argument; rewrite.
23721         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
23722         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
23723         * tree-inline.c (copy_bb): Set frequency correctly.
23724         (fold_marked_statements): Update call to
23725         cgraph_update_edges_for_call_stmt.
23726
23727 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
23728
23729         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
23730         identifiers in diagnostics.
23731         * config/arm/arm.c (arm_handle_fndecl_attribute,
23732         arm_handle_isr_attribute): Likewise.
23733         * config/avr/avr.c (avr_handle_progmem_attribute,
23734         avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
23735         * config/bfin/bfin.c (handle_int_attribute,
23736         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
23737         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
23738         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
23739         Likewise.
23740         * config/darwin.c (darwin_handle_kext_attribute,
23741         darwin_handle_weak_import_attribute): Likewise.
23742         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
23743         h8300_handle_eightbit_data_attribute,
23744         h8300_handle_tiny_data_attribute): Likewise.
23745         * config/i386/i386.c (ix86_handle_cconv_attribute,
23746         ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
23747         * config/i386/winnt.c (ix86_handle_shared_attribute,
23748         ix86_handle_selectany_attribute): Likewise.
23749         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
23750         * config/m32c/m32c.c (function_vector_handler): Likewise.
23751         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
23752         m68hc11_handle_fntype_attribute): Likewise.
23753         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
23754         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
23755         * config/mips/mips.c (mips_insert_attributes,
23756         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
23757         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
23758         rs6000_handle_struct_attribute): Likewise.
23759         * config/sh/sh.c (sh_insert_attributes,
23760         sh_handle_resbank_handler_attribute,
23761         sh_handle_interrupt_handler_attribute,
23762         sh2a_handle_function_vector_handler_attribute,
23763         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
23764         Likewise.
23765         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
23766         * config/spu/spu.c (spu_handle_fndecl_attribute,
23767         spu_handle_vector_attribute): Likewise.
23768         * config/stormy16/stormy16.c
23769         (xstormy16_handle_interrupt_attribute): Likewise.
23770         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
23771         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
23772
23773 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
23774
23775         * pretty-print.h (struct pretty_print_info): Add translate_identifiers.
23776         (pp_translate_identifiers): New.
23777         (pp_identifier): Only conditionally translate identifier to locale
23778         character set.
23779         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
23780         (pp_base_tree_identifier): Only conditionally translate identifier
23781         to locale character set.
23782         * c-pretty-print.c (M_): Define.
23783         (pp_c_type_specifier, pp_c_primary_expression): Mark English
23784         fragments for conditional translation with M_.
23785         * tree-pretty-print.c (maybe_init_pretty_print): Disable
23786         identifier translation.
23787
23788 2009-05-10  Richard Guenther  <rguenther@suse.de>
23789
23790         PR tree-optimization/40081
23791         * tree-sra.c (instantiate_element): Instantiate scalar replacements
23792         using the main variant of the element type.  Do not fiddle with
23793         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
23794
23795 2009-05-09  Jan Hubicka  <jh@suse.cz>
23796
23797         PR middle-end/40080
23798         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
23799         indirect calls; verify cgraph afterwards.
23800
23801 2009-05-09  Jan Hubicka  <jh@suse.cz>
23802
23803         PR bootstrap/40082
23804         * ipa.c (update_inlined_to_pointer): New function.
23805         (cgraph_remove_unreachable_nodes): Use it.
23806
23807 2009-05-09  Jan Hubicka  <jh@suse.cz>
23808
23809         * tree-eh.c (struct leh_state): Remove prev_try.
23810         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
23811         not track prev_try.
23812         * except.c (gen_eh_region_cleanup, duplicate_eh_regions,
23813         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
23814         remove_eh_handler_and_replace, foreach_reachable_handler,
23815         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
23816         * except.h (struct eh_region): Remove eh_region_u_cleanup.
23817         (gen_eh_region_cleanup): Update prototype.
23818
23819 2009-05-09  Jan Hubicka  <jh@suse.cz>
23820
23821         PR middle-end/40043
23822         * except.c (copy_eh_region): Always set prev_try.
23823         (redirect_eh_edge_to_label): Find outer try.
23824         (foreach_reachable_handler): When looking for prev try
23825         handle case where previous try is not going to be taken.
23826
23827 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
23828
23829         PR tree-optimization/40049
23830         * tree-vect-stmts.c (vectorizable_operation): If the machine has
23831         only vector/vector shifts, convert the type of the constant to the
23832         appropriate type to avoid building incorrect trees, which
23833         eventually have problems with garbage collection.
23834
23835 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
23836
23837         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
23838         -1 for complex floating-point types if honoring signed zeros.
23839
23840 2009-05-08  Jan Hubicka  <jh@suse.cz>
23841
23842         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
23843         argument; handle correctly when profile is absent.
23844         (build_cgraph_edges): Update.
23845         (rebuild_cgraph_edges): Update.
23846         * cgraph.c: Do not include varray.h.
23847         (cgraph_set_call_stmt_including_clones): New function.
23848         (cgraph_create_edge_including_clones): Likewise
23849         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
23850         (cgraph_update_edges_for_call_stmt): Handle clones.
23851         (cgraph_remove_node): Handle clone tree.
23852         (cgraph_remove_node_and_inline_clones): New function.
23853         (dump_cgraph_node): Dump clone tree.
23854         (cgraph_clone_node): Handle clone tree.
23855         (clone_function_name): Bring here from tree-inline.c.
23856         (cgraph_create_virtual_clone): New function.
23857         * cgraph.h (ipa_replace_map): Move here from ipa.h.
23858         (cgraph_clone_info): New function.
23859         (strut cgraph_node): Add clone_info and new clone tree pointers.
23860         (cgraph_remove_node_and_inline_clones,
23861         cgraph_set_call_stmt_including_clones,
23862         cgraph_create_edge_including_clones,
23863         cgraph_create_virtual_clone): Declare.
23864         (cgraph_function_versioning): Use VEC argument.
23865         (compute_call_stmt_bb_frequency): Update prototype.
23866         (cgraph_materialize_all_clones): New function.
23867         * ipa-cp.c (ipcp_update_cloned_node): Remove.
23868         (ipcp_create_replace_map): Update to VECtors.
23869         (ipcp_update_callgraph): Use virtual clones.
23870         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
23871         (ipcp_update_profiling): Do not update local profiling.
23872         (ipcp_insert_stage): Use VECtors and virtual clones.
23873         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
23874         (clone_of_p): New function.
23875         (cgraph_preserve_function_body_p): Use clone tree.
23876         (cgraph_optimize): Materialize clones.
23877         (cgraph_function_versioning): Update for VECtors.
23878         (save_inline_function_body): Use clone tree.
23879         (cgraph_materialize_clone): New function.
23880         (cgraph_materialize_all_clones): Likewise.
23881         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
23882         * ipa.c: Include gimple.h.
23883         (cgraph_remove_unreachable_nodes): Use clone tree.
23884         * ipa-prop.c (ipa_note_param_call): Update call to
23885         compute_call_stmt_bb_frequencycall.
23886         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
23887         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
23888         (copy_bb): Handle updating of clone tree; add new edge when new call
23889         appears.
23890         (expand_call_inline): Be strict about every call having edge.
23891         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
23892         (delete_unreachable_blocks_update_callgraph): New function.
23893         (tree_function_versioning): Use VECtors; always remove unreachable
23894         blocks and fold conditionals.
23895         * tree-inline.h: Do not include varray.h.
23896         (tree_function_versioning): Remove.
23897         * Makefile.in (GTFILES): Remove tree-inline.c
23898         * passes.c (do_per_function): Do only functions having body.
23899         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
23900         tree.
23901
23902 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
23903             Andrew Morrow  <acm@google.com>
23904
23905         PR c/36892
23906         * c-common.c (c_common_attribute_table): Permit deprecated
23907         attribute to take an optional argument.
23908         (handle_deprecated_attribute): If the optional argument to
23909         __attribute__((deprecated)) is not a string ignore the attribute
23910         and emit a warning.
23911
23912         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
23913         * c-typeck.c (build_component_ref): Likewise.
23914         (build_external_ref): Likewise.
23915
23916         * toplev.c (warn_deprecated_use): Add an attribute argument.
23917         Emit the message associated with __attribute__((deprecated)).
23918
23919         * toplev.h (warn_deprecated_use): Updated.
23920
23921         * doc/extend.texi: Document new optional parameter to
23922         __attribute__((deprecated))
23923
23924 2009-05-08  Michael Eager <eager@eagercon.com>
23925
23926         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
23927         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
23928
23929 2009-05-08  Richard Guenther  <rguenther@suse.de>
23930
23931         PR tree-optimization/40062
23932         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
23933         Avoid exponential behavior.
23934
23935 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
23936
23937         PR rtl-optimization/33928
23938         PR 26854
23939         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
23940         process_uses, build_single_def_use_links): New.
23941         (update_df): Update use_def_ref.
23942         (forward_propagate_into): Use get_def_for_use instead of use-def
23943         chains.
23944         (fwprop_init): Call build_single_def_use_links and let it initialize
23945         dataflow.
23946         (fwprop_done): Free use_def_ref.
23947         (fwprop_addr): Eliminate duplicate call to df_set_flags.
23948         * df-problems.c (df_rd_simulate_artificial_defs_at_top,
23949         df_rd_simulate_one_insn): New.
23950         (df_rd_bb_local_compute_process_def): Update head comment.
23951         (df_chain_create_bb): Use the new RD simulation functions.
23952         * df.h (df_rd_simulate_artificial_defs_at_top,
23953         df_rd_simulate_one_insn): New.
23954         * opts.c (decode_options): Enable fwprop at -O1.
23955         * doc/invoke.texi (-fforward-propagate): Document this.
23956
23957 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
23958
23959         PR c/24581
23960         * c-typeck.c (build_binary_op): Handle arithmetic between one real
23961         and one complex operand specially.
23962         * tree-complex.c (some_nonzerop): Do not identify a real value as
23963         zero if flag_signed_zeros.
23964
23965 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
23966
23967         PR rtl-optimization/33928
23968         * loop-invariant.c (record_use): Fix && vs. || mishap.
23969
23970 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
23971
23972         PR rtl-optimization/33928
23973         * loop-invariant.c (struct use): Add addr_use_p.
23974         (struct def): Add n_addr_uses.
23975         (struct invariant): Add cheap_address.
23976         (create_new_invariant): Set cheap_address.
23977         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
23978         (record_uses): Pass df_ref to record_use.
23979         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
23980         used only as such.
23981
23982 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
23983
23984         * config/sh/sh.c: Do not include c-pragma.h.
23985
23986 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
23987
23988         * config/spu/spu.c: Remove include of c-common.h.
23989
23990 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
23991
23992         PR c/39037
23993         * c-common.h (mark_valid_location_for_stdc_pragma,
23994         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
23995         clear_float_const_decimal64, float_const_decimal64_p): New.
23996         * c.opt (Wunsuffixed-float-constants): New.
23997         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
23998         unsuffixed float constant, handle new warning.
23999         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
24000         * c-decl.c (c_scope): New flag float_const_decimal64.
24001         (set_float_const_decimal64, clear_float_const_decimal64,
24002         float_const_decimal64_p): New.
24003         (push_scope): Set new flag.
24004         * c-parser.c (c_parser_translation_unit): Mark when it's valid
24005         to use STDC pragmas.
24006         (c_parser_external_declaration): Ditto.
24007         (c_parser_compound_statement_nostart): Ditto.
24008         * c-pragma.c (valid_location_for_stdc_pragma,
24009         mark_valid_location_for_stdc_pragma,
24010         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
24011         handle_pragma_float_const_decimal64): New.
24012         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
24013         * cp/semantics.c (valid_location_for_stdc_pragma_p,
24014         set_float_const_decimal64, clear_float_const_decimal64,
24015         float_const_decimal64_p): New dummy functions.
24016         * doc/extend.texi (Decimal Float): Remove statement that the
24017         pragma, and suffix for double constants, are not supported.
24018         * doc/invoke.texi (Warning Options): List new option.
24019         (-Wunsuffixed-float-constants): New.
24020
24021 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
24022
24023         * config/i386/i386.c: Do not include c-common.h.
24024
24025 2009-05-07  Mark Heffernan  <meheff@google.com>
24026
24027         * doc/invoke.texi (Debugging Options): Document change of debugging
24028         dump location.
24029         * opts.c (decode_options): Make dump_base_name relative to
24030         aux_base_name directory.
24031
24032 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
24033
24034         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
24035         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
24036
24037 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
24038
24039         * Makefile.in (install-plugin): Simplify a bit.
24040
24041 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
24042
24043         * Makefile.in (OBJS-common): Add regcprop.o.
24044         (regcprop.o): New.
24045         * timevar.def (TV_CPROP_REGISTERS): New.
24046         * regrename.c (regrename_optimize): Return 0.
24047         (rest_of_handle_regrename): Delete.
24048         (pass_rename_registers): Point to regrename_optimize.
24049         (struct value_data_entry, struct value_data,
24050         kill_value_one_regno, kill_value_regno, kill_value,
24051         set_value_regno, init_value_data, kill_clobbered_value,
24052         kill_set_value, kill_autoinc_value, copy_value,
24053         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
24054         replace_oldest_value_reg, replace_oldest_value_addr,
24055         replace_oldest_value_mem, copyprop_hardreg_forward_1,
24056         debug_value_data, validate_value_data): Move...
24057         * regcprop.c: ... here.
24058         (rest_of_handle_cprop): Delete.
24059         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
24060
24061 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
24062
24063         PR middle-end/40057
24064         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
24065         GEN_INT for 1 << bitnum.
24066         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
24067         build_int_cst_type.
24068
24069 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
24070
24071         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
24072         Remove wrong description of "nand" operation.
24073
24074 2009-05-06  Richard Guenther  <rguenther@suse.de>
24075             Adam Nemet  <anemet@caviumnetworks.com>
24076
24077         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
24078         comment.  Add that if LHS is not a gimple register, then RHS1 has
24079         to be a single object (GIMPLE_SINGLE_RHS).
24080
24081 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
24082
24083         * expr.c (get_def_for_expr): Move it up in the file.
24084         (store_field): When expanding a bit-field store, look at the
24085         defining gimple stmt for the masking conversion.
24086
24087 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
24088
24089         PR middle-end/39986
24090         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
24091         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
24092         32-bit memcpy into long.
24093
24094 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
24095
24096         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
24097         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
24098         new_reg_loc_descr.
24099         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
24100         instead of appending DW_OP_deref*.
24101
24102 2009-05-06  Michael Matz  <matz@suse.de>
24103
24104         PR middle-end/40021
24105         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
24106         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
24107
24108 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
24109
24110         * Makefile.in (install-plugin): Fix srcdir handling.
24111
24112 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
24113
24114         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
24115         when processing for not_regs_needed bitmap.
24116         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
24117         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while
24118         handling it for rhs.
24119
24120 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
24121
24122         * config/i386/i386.md (unnamed inc/dec peephole): Use
24123         optimize_insn_for_size_p instead of optimize_size.
24124         * config/i386/predicates.md (incdec_operand): Likewise.
24125         (aligned_operand): Likewise.
24126         * config/i386/sse.md (divv8sf3): Likewise.
24127         (sqrtv8sf2): Likewise.
24128
24129 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
24130
24131         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
24132
24133         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
24134
24135 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
24136
24137         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
24138         ssemodesuffixf2c with avxmodesuffixf2c.
24139
24140 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
24141
24142         PR c/40032
24143         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
24144
24145 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
24146
24147         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
24148         (struct tree_base): Adjust spacing for 8 bit boundaries.
24149         (struct tree_decl_common): Add decl_by_reference_flag bit.
24150         (DECL_BY_REFERENCE): Adjust.
24151         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
24152         print DECL_BY_REFERENCE bit.
24153         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
24154         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
24155         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
24156         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
24157         unconditionally.
24158
24159         PR middle-end/39666
24160         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
24161         range of the type, but default label is missing, add it with one
24162         of the existing labels instead of adding a new label for it.
24163
24164 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
24165
24166         * dwarf.h: Remove.
24167
24168 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
24169
24170         * Makefile.in (enable_plugin, plugin_includedir): New.
24171         (install): Depend on install-plugin.
24172         (PLUGIN_HEADERS): New.
24173         (install-plugin): New.
24174         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
24175
24176 2009-05-05  Richard Guenther  <rguenther@suse.de>
24177
24178         PR tree-optimization/40022
24179         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
24180         the only vuse.
24181         (phivn_valid_p): Fix tuplification error, simplify.
24182         (phiprop_insert_phi): Add dumps.
24183         (propagate_with_phi): Simplify.
24184
24185 2009-05-05  Richard Guenther  <rguenther@suse.de>
24186
24187         PR middle-end/40023
24188         * builtins.c (gimplify_va_arg_expr): Properly build the address.
24189
24190 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
24191
24192         * tree.h (strip_float_extensions): Remove duplicate declaration.
24193         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
24194         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
24195         block_ultimate_origin): Rearrange the declarations line to match the
24196         comment that indicates the .c file which the functions are defined.
24197         (dwarf2out_*, set_decl_rtl): Add comment.
24198         (get_base_address): Adjust comment.
24199         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
24200         declarations line and add comment.
24201         (is_builtin_name): Add blank after function name, for clarity.
24202
24203 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
24204
24205         * attribs.c (decl_attributes): Use %qE for identifiers in
24206         diagnostics.
24207         * cgraphunit.c (verify_cgraph_node): Translate function names to
24208         locale character set in diagnostics.
24209         * coverage.c (get_coverage_counts): Use %qE for identifiers in
24210         diagnostics.
24211         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
24212         Document that functions are named in UTF-8.
24213         * expr.c (expand_expr_real_1): Translate function names to locale
24214         character set in diagnostics.
24215         * gimplify.c (omp_notice_variable, omp_is_private,
24216         gimplify_scan_omp_clauses): Use %qE for identifiers in
24217         diagnostics.
24218         * langhooks.c (lhd_print_error_function): Translate function names
24219         to locale character set.
24220         * langhooks.h (decl_printable_name): Document that return value is
24221         in internal character set.
24222         * stmt.c: Include pretty-print.h
24223         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
24224         diagnostics.
24225         (resolve_operand_name_1): Translate named operand name to locale
24226         character set.
24227         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
24228         diagnostics.
24229         * toplev.c (announce_function): Translate function names to locale
24230         character set.
24231         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
24232         (default_tree_printer): Use pp_identifier or translate identifiers
24233         to locale character set.  Mark "<anonymous>" for translation.
24234         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
24235         for identifiers in diagnostics.
24236         * tree.c (handle_dll_attribute): Use %qE for identifiers in
24237         diagnostics.
24238         * varasm.c (output_constructor): Use %qE for identifiers in
24239         diagnostics.
24240
24241 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
24242
24243         * configure.ac: use ` ` instead of $()
24244         * configure: Regenerate.
24245
24246 2009-05-05  Ben Elliston  <bje@au.ibm.com>
24247
24248         * config/pa/linux-atomic.c: Eliminate conditional include of
24249         errno.h on non-LP64 systems to simplify build requirements.
24250
24251 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
24252
24253         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
24254         diagnostics.
24255         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
24256         and pass value to identifier_to_locale.
24257         (warn_variable_length_array): Make name a tree.
24258         (grokdeclarator): Separate diagnostic texts for named and unnamed
24259         declarators.  Use %qE for named declarators.
24260         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
24261         diagnostics.
24262         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
24263         identifiers in diagnostics.
24264         * c-typeck.c (push_member_name, start_init): Pass identifiers to
24265         identifier_to_locale.  Mark "anonymous" strings for translation.
24266
24267 2009-05-04  Michael Eager <eager@eagercon.com>
24268
24269         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
24270         address for DImode/DFmode only if double-precision FP regs.
24271
24272 2009-05-04  Michael Eager <eager@eagercon.com>
24273
24274         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
24275         TARGET_SINGLE_FLOAT check.
24276
24277 2009-05-04  Michael Eager <eager@eagercon.com>
24278
24279         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
24280
24281 2009-05-04  Michael Eager <eager@eagercon.com>
24282
24283         * gcc/config.gcc (powerpc-xilinx-eabi*): Add tm t-xilinx
24284         * config/rs6000/t-xilinx: New
24285
24286 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
24287
24288         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
24289         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
24290         * gcc/explow.c (memory_address): Use target hook.
24291         * gcc/targhooks.c (default_legitimize_address): New.
24292         * gcc/targhooks.h (default_legitimize_address): New.
24293         * gcc/target.h (legitimize_address): New.
24294         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
24295         (TARGET_INITIALIZER): Include it.
24296         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
24297
24298         * config/bfin/bfin-protos.h (legitimize_address): Remove.
24299         * config/bfin/bfin.c (legitimize_address): Remove.
24300         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
24301         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
24302         Remove.
24303         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
24304         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
24305
24306         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
24307         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
24308         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
24309         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
24310         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
24311         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
24312         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
24313         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
24314         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
24315         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
24316         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
24317         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
24318         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
24319         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
24320         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
24321         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
24322         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
24323         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
24324         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
24325         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
24326         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
24327         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
24328         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
24329
24330         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
24331         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
24332         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
24333         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
24334         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
24335         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
24336         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
24337         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
24338         (thumb_legitimize_address): Delete.
24339         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
24340         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
24341         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
24342         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
24343         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
24344         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
24345         Delete.
24346         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
24347         Delete.
24348
24349         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
24350         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
24351         * config/m32r/m32r.c (m32r_legitimize_address): New.
24352         * config/m68k/m68k.c (m68k_legitimize_address): New.
24353         * config/score/score.c (score_legitimize_address): Standardize.
24354         * config/score/score3.c (score3_legitimize_address): Standardize.
24355         * config/score/score3.h (score3_legitimize_address): Adjust.
24356         * config/score/score7.c (score7_legitimize_address): Standardize.
24357         * config/score/score7.h (score7_legitimize_address): Adjust.
24358         * config/sh/sh.c (sh_legitimize_address): New.
24359         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
24360
24361         * gcc/config/s390/s390.c (legitimize_address): Rename to...
24362         (s390_legitimize_address): ... this.
24363         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
24364         (sparc_legitimize_address): ... this.
24365         * gcc/config/i386/i386.c (legitimize_address): Rename to...
24366         (ix86_legitimize_address): ... this.
24367         * gcc/config/avr/avr.c (legitimize_address): Rename to...
24368         (avr_legitimize_address): ... this.
24369         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
24370         (mn10300_legitimize_address): ... this.
24371         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
24372         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
24373         (alpha_expand_mov): Adjust call.
24374
24375         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
24376         * config/spu/spu.c (spu_legitimize_address): Likewise.
24377         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
24378         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
24379
24380 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
24381
24382         * intl.c (locale_encoding, locale_utf8): New.
24383         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
24384         * intl.h (locale_encoding, locale_utf8): Declare.
24385         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
24386         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
24387         New.
24388         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
24389         argument.
24390         (pp_tree_identifier): Define to call pp_base_tree_identifier.
24391         (pp_base_tree_identifier): Declare as function.
24392         (identifier_to_locale): Declare.
24393         * Makefile.in (pretty-print.o): Update dependencies.
24394         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
24395
24396 2009-05-04  Richard Guenther  <rguenther@suse.de>
24397
24398         PR middle-end/40015
24399         * builtins.c (fold_builtin_memory_op): Do not decay to element
24400         type if the size matches the whole array.
24401
24402 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
24403
24404         * expmed.c (synth_mult): When trying out a shift, pass the result
24405         of a signed shift.
24406
24407 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
24408
24409         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
24410         (shiftsub1_cost): New.
24411         (init_expmed): Compute shiftsub1_cost.
24412         (synth_mult): Optimize multiplications by constants of the form
24413         -(2^^m-1) for some constant positive integer m.
24414
24415 2009-05-03  Richard Guenther  <rguenther@suse.de>
24416
24417         PR c/39983
24418         * c-typeck.c (array_to_pointer_conversion): Do not built
24419         ADDR_EXPRs of arrays of pointer-to-element type.
24420         * c-gimplify.c (c_gimplify_expr): Revert change fixing
24421         up wrong ADDR_EXPRs after-the-fact.
24422         * c-common.c (strict_aliasing_warning): Strip pointer
24423         conversions for obtaining the original type.
24424         * builtins.c (fold_builtin_memset): Handle array types.
24425         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
24426         and array types
24427
24428 2009-05-03  Richard Guenther  <rguenther@suse.de>
24429
24430         PR middle-end/23329
24431         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
24432         Do not lose casts from array types with unknown extent to array
24433         types with known extent.
24434         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
24435         alias set compatibility.
24436
24437 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
24438
24439         * flags.h (extra_warnings): Delete.
24440         * toplev.c (process_options): Handle Wuninitialized here.
24441         * opts.c (extra_warnings): Delete.
24442         (set_Wextra): Delete.
24443         (common_handle_option): -Wextra can be handled automatically.
24444         * c-opts.c (c_common_handle_option): Delete obsolete code.
24445         (c_common_post_options): Simplify comment.
24446         * common.opt (W): Add Var.
24447         (Wextra): Add Var.
24448         (Wuninitialized): Initialize to -1.
24449
24450 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
24451             Richard Guenther  <rguenther@suse.de>
24452
24453         * expr.c (get_def_for_expr): New function.
24454         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
24455         SSA rather than trees.
24456         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
24457         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
24458
24459 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
24460
24461         * c-common.c (reswords): Add _Imaginary.
24462         * c-common.c (enum rid): Add RID_IMAGINARY.
24463
24464 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
24465
24466         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
24467         Patch by Richard Guenther.
24468
24469 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
24470
24471         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
24472         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
24473         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
24474         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
24475         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
24476         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
24477         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
24478         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
24479         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
24480         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
24481         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
24482         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
24483         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
24484         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
24485         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
24486         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
24487         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
24488         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
24489
24490 2009-05-02  Richard Guenther  <rguenther@suse.de>
24491
24492         PR tree-optimization/39940
24493         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
24494         doing so.
24495
24496 2009-05-02  Richard Guenther  <rguenther@suse.de>
24497
24498         PR middle-end/40001
24499         * tree-ssa.c (execute_update_addresses_taken): Properly check
24500         if we can mark a variable DECL_GIMPLE_REG_P.
24501         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
24502         back to the end of the function.
24503         (is_gimple_reg_type): Remove complex type special casing.
24504         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
24505         if not optimizing.
24506
24507 2009-05-02  Ben Elliston  <bje@au.ibm.com>
24508
24509         * doc/collect2.texi (Collect2): Document search path behaviour
24510         when configured with --with-ld.
24511
24512 2009-05-02  Jan Hubicka  <jh@suse.cz>
24513
24514         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
24515         parameter; update callers.
24516         (coalesce_cost_edge): EH edges are costier because they needs
24517         splitting even if not critical and even more costier when there are
24518         multiple EH predecestors.
24519
24520 2009-05-02  Jan Hubicka  <jh@suse.cz>
24521
24522         * except.c (remove_eh_handler_and_replace): Handle updating after
24523         removing TRY blocks.
24524
24525 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
24526
24527         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
24528
24529 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
24530
24531         * varasm.c: Do not include c-pragma.h.
24532         * attribs.c: Do not incude c-common.h.
24533
24534 2009-05-01  Michael Matz  <matz@suse.de>
24535
24536         * calls.c (initialize_argument_information): Handle SSA names like
24537         decls with a non MEM_P DECL_RTL.
24538
24539 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
24540
24541         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
24542         * ipa-utils.c: Likewise.
24543         * ipa-type-escape.c: Likewise.
24544         * cgraphunit.c Do not include c-common.h.
24545         * ipa-pure-const.c: Likewise.
24546         * tree-if-conv.c: Likewise.
24547         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
24548         * ipa-struct-reorg.c: Likewise.
24549         * tree-nomudflap.c: Likewise.
24550         * tree-ssa-structalias.c: Likewise.
24551
24552 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
24553
24554         * store-motion.c: Many cleanups to make this pass a first-class
24555         citizen instead of an appendix to gcse load motion.  Add TODO list
24556         to make this pass faster/cleaner/better.
24557
24558         (struct ls_expr): Post gcse.c-split cleanups.
24559         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
24560         "stores" field to "avail_stores".
24561         (pre_ldst_mems): Rename to store_motion_mems.
24562         (pre_ldst_table): Rename to store_motion_mems_table.
24563         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
24564         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
24565         (ldst_entry): Rename to st_expr_entry, update users.
24566         (free_ldst_entry): Rename to free_st_expr_entry, update users.
24567         (free_ldst_mems): Rename to free_store_motion_mems, update users.
24568         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
24569         update caller.
24570         (first_ls_expr): Rename to first_st_expr, update users.
24571         (next_ls_expr): Rename to next_st_expr, update users.
24572         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
24573         fields properly for store motion instead of names inherited from load
24574         motion in gcse.c.
24575         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
24576         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
24577         are done with it.
24578
24579         (ae_kill): Rename to st_kill, update users.
24580         (ae_gen): Rename to st_avloc, update users.
24581         (transp): Rename to st_transp, update users.
24582         (pre_insert_map): Rename to st_insert_map, update users.
24583         (pre_delete_map): Rename to st_delete_map, update users.
24584         (insert_store, build_store_vectors, free_store_memory,
24585         one_store_motion_pass): Update for abovementioned changes.
24586
24587         (gcse_subst_count, gcse_create_count): Remove.
24588         (one_store_motion_pass): New statistics counters "n_stores_deleted"
24589         and "n_stores_created", local variables.
24590
24591         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
24592         use for_each_rtx.
24593
24594         (regvec, compute_store_table_current_insn): Remove.
24595         (reg_set_info, reg_clear_last_set): Remove.
24596         (compute_store_table): Use DF caches instead of local dataflow
24597         solvers.
24598
24599 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
24600
24601         * c-objc-common.c (c_tree_printer): Print identifiers with
24602         pp_identifier, not pp_string.  Mark "({anonymous})" for
24603         translation.
24604         * c-pretty-print.c (pp_c_ws_string): New.
24605         (pp_c_cv_qualifier, pp_c_type_specifier,
24606         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
24607         pp_c_storage_class_specifier, pp_c_function_specifier,
24608         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
24609         pp_c_primary_expression, pp_c_postfix_expression,
24610         pp_c_unary_expression, pp_c_shift_expression,
24611         pp_c_relational_expression, pp_c_equality_expression,
24612         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
24613         use pp_string and pp_c_ws_string in place of pp_identifier and
24614         pp_c_identifier for non-identifiers.  Mark English strings for
24615         translation.
24616         * c-pretty-print.h (pp_c_ws_string): Declare.
24617
24618 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
24619             Roland McGrath <roland@redhat.com>
24620
24621         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
24622         (ENABLE_LD_BUILDID): New configuration option.
24623         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
24624         (LINK_BUILDID_SPEC): New macro.
24625         (init_spec): If defined, prepend it between LINK_EH_SPEC and
24626         link_spec.
24627         * doc/install.texi: Document --enable-linker-build-id option.
24628         * configure: Rebuild.
24629         * config.in: Rebuild.
24630
24631 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
24632
24633         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
24634         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
24635         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
24636         MIPS_GP_SAVE_AREA_SIZE.
24637         * config/mips/mips.c (struct mips_frame_info): Update comment
24638         before arg_pointer_offset and hard_frame_pointer_offset.
24639         (mips_compute_frame_info): Update diagram before function: to
24640         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
24641         indicate the position of frame_pointer_rtx with -fstack-protector and
24642         to show args_size.  Don't allocate cprestore area for leaf functions
24643         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
24644         cprestore_size.
24645         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
24646
24647 2009-04-30  Michael Matz  <matz@suse.de>
24648
24649         PR tree-optimization/39955
24650         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
24651
24652 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
24653
24654         * ira.c (setup_cover_and_important_classes):  Use safe macro
24655         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
24656         directly.
24657         * genpreds.c (write_tm_preds_h):  Output suitable definition of
24658         REG_CLASS_FOR_CONSTRAINT.
24659
24660 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
24661
24662         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
24663         instead of an int.
24664         * bitmap.c (bitmap_descriptor): Likewise.
24665         * ggc-common.c (loc_descriptor): Likewise.
24666         * varray.c (varray_descriptor): Likewise.
24667         * vec.c (vec_descriptor): Likewise.
24668
24669 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
24670
24671         * Makefile.in (dce.o): Add $(EXCEPT_H).
24672         * dce.c: Include except.h and delete redundant vector definitions.
24673         (deletable_insn_p): Return false for non-call insns that can throw
24674         if DF is running.
24675
24676 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
24677
24678         * gcse.c (ae_gen): Remove.
24679         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
24680         and make non-static function to make it available in store-motion.c.
24681         Update call sites with search-and-replace.
24682         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
24683         extract_mentioned_regs, extract_mentioned_regs_helper,
24684         find_moveable_store, compute_store_table, load_kills_store, find_loads,
24685         store_killed_in_insn, store_killed_after, store_killed_before,
24686         build_store_vectors, insert_insn_start_basic_block, insert-store,
24687         remove_reachable_equiv_notes, replace_store_insn, delete_store,
24688         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
24689         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
24690         * store-motion.c: ...new file.  Also copy data structures from gcse.c
24691         and clean up to remove parts not used by store motion.
24692         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
24693         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
24694
24695 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
24696
24697         PR target/38571
24698         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
24699         when optimizing for size.
24700
24701 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
24702
24703         * gcse.c (gcse_constant_p): Fix typo in last change.
24704
24705 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
24706
24707         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
24708
24709 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
24710
24711         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
24712
24713 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
24714
24715         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
24716         CONST_HIGH_PART result.
24717
24718 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
24719
24720         * config/avr/avr.c (initial_elimination_offset): Rename to
24721         avr_initial_elimination_offset.
24722         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
24723         change return type to bool.
24724         (avr_can_eliminate): New function.
24725         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
24726         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
24727         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
24728         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
24729         avr_initial_elimination_offset.
24730         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
24731         (avr_initial_elimination_offset): Define.
24732
24733 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
24734             Steven Bosscher  <steven@gcc.gnu.org>
24735
24736         PR rtl-optimization/39938
24737         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
24738         * cfgrtl.c: Include insn-attr.h.
24739         (rest_of_pass_free_cfg): New function.
24740         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
24741         * resource.c (init_resource_info): Remove call to df_analyze.
24742
24743 2009-04-29  Richard Guenther  <rguenther@suse.de>
24744
24745         PR target/39943
24746         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
24747         allow conversion to signed integers.
24748
24749 2009-04-29  Richard Guenther  <rguenther@suse.de>
24750
24751         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
24752         shifts of floating point vectors if the shift amount is
24753         a constant multiple of the element size.
24754
24755 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
24756             Michael Matz  <matz@suse.de>
24757
24758         PR middle-end/39927
24759         PR bootstrap/39929
24760         * tree-outof-ssa.c (emit_partition_copy): New function.
24761         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
24762         insert_part_to_rtx_on_edge): Perform the partition base var
24763         copy using emit_partition_copy.
24764         (insert_value_copy_on_edge): Convert constants to the right mode.
24765         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
24766         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
24767
24768 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
24769
24770         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
24771         scan backwards to try to find a constant to initialize it.
24772
24773         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
24774         insn before the loop_end instruction, don't look past labels.
24775
24776 2009-04-29  Richard Guenther  <rguenther@suse.de>
24777
24778         PR middle-end/39937
24779         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
24780         loose type conversions.
24781         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
24782         stmts only if there are no uses of its definition.
24783
24784 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
24785
24786         * config/bfin/bfin.h (splitting_loops): Declare.
24787         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
24788         Reorder bit definitions to be ascending.
24789         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
24790         * config/bfin/bfin.c (splitting_loops): New variable.
24791         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
24792         (struct loop_info): Remove members INIT and LOOP_INIT.
24793         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
24794         the LSETUP sequence.  Allow LC to be loaded from any register, but
24795         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
24796         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
24797         set to 1.
24798         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
24799         of reload_completed.
24800
24801         From Jie Zhang:
24802         * config/bfin/bfin.md (movsi_insn): Refine constraints.
24803
24804 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
24805
24806         * Makefile.in (PLUGIN_VERSION_H): New.
24807         (OBJS-common): Remove plugin-version.o.
24808         (plugin.o): Depend on (PLUGIN_VERSION_H).
24809         (plugin-version.o): Remove.
24810         * configure: Regenerate
24811         * configure.ac: Create plugin-version.h.
24812         * gcc-plugin.h (plugin_gcc_version): Remove.
24813         (plugin_default_version_check): Change signature.
24814         * plugin-version.c: Remove.
24815         * plugin.c: Include plugin-version.h.
24816         (str_plugin_gcc_version_name): Remove.
24817         (try_init_one_plugin): Pass gcc version to plugin_init.
24818         (plugin_default_version_check): Both gcc and plugin versions are now
24819         arguments.
24820
24821 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
24822
24823         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
24824         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
24825         Remove special case testing for last insn of inner loops. Don't fail
24826         if the loop ends with a jump, emit an extra nop instead.
24827
24828         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
24829         DREGS rather than comparing directly.  Remove code that tries to
24830         account for latencies.
24831
24832 2009-04-29  Richard Guenther  <rguenther@suse.de>
24833
24834         PR tree-optimization/39941
24835         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
24836         eliminating an indirect call.
24837
24838 2009-04-29  Richard Guenther  <rguenther@suse.de>
24839
24840         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
24841         parameter.  Allow invariants as base if !require_lvalue.
24842         (verify_gimple_assign_single): Adjust.
24843
24844 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
24845
24846         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
24847         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
24848         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
24849         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
24850         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
24851         a VEC_SELECT.
24852         * config/bfin/bfin.c (bfin_expand_builtin,
24853         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
24854
24855 2009-04-28  Richard Guenther  <rguenther@suse.de>
24856
24857         * tree-vect-loop.c (get_initial_def_for_induction): Use
24858         correct types for pointer increment.
24859
24860 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24861
24862         * toplev.c (print_version): Update GMP version string calculation.
24863
24864 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
24865
24866         PR rtl-optimization/39938
24867         * resource.c (init_resource_info): Add call to df_analyze.
24868
24869 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
24870
24871         * config/alpha/alpha.md (usegp): Cast the result of
24872         alpha_find_lo_sum_using_gp to enum attr_usegp.
24873         * config/alpha/alpha.c (override_options): Remove end-of-structure
24874         marker element from cpu_table.  Use array size of cpu_table to handle
24875         -mcpu and -mtune options.
24876         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
24877
24878 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
24879
24880         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
24881         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
24882         tune_32 and tune_64.
24883         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
24884         support on PowerPC.
24885         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
24886         * config/rs6000/option-defaults.h: ... here.  New file.
24887         (OPT_64, OPT_32): Define.
24888         (MASK_64BIT): Define to 0 if not already defined.
24889         (OPT_ARCH64, OPT_ARCH32): Define.
24890         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
24891         and tune_64.
24892
24893 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
24894
24895         * config/arm/arm.c (arm_override_options): Emit error on using
24896         fpa with AAPCS.
24897
24898 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
24899
24900         PR rtl-optimization/39914
24901         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
24902         registers for allocnos created from user-defined variables only
24903         when not optimizing.
24904
24905 2009-04-28  Richard Guenther  <rguenther@suse.de>
24906
24907         PR middle-end/39937
24908         * fold-const.c (fold_binary): Use distribute_real_division only
24909         on float types.
24910
24911 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
24912
24913         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
24914         add hpux-stdint.h to tm_file.
24915         (hppa[12]*-*-hpux11*): Ditto.
24916         (ia64*-*-hpux*): Ditto.
24917         * config/hpux-stdint.h: New.
24918         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
24919         __STDC_EXT__ for all compiles.
24920         * config/pa/pa-hpux.h: Ditto.
24921         * config/pa/pa-hpux10.h: Ditto.
24922         * config/pa/pa-hpux11.h: Ditto.
24923
24924 2009-04-28  Catherine Moore  <clm@codesourcery.com>
24925
24926         * debug.h (set_name): Add comment.
24927
24928 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
24929
24930         PR target/39929
24931         * config/darwin.c (machopic_gen_offset): Check
24932         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
24933         * config/arm/arm.c (require_pic_register): Likewise.
24934
24935 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
24936
24937         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
24938         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
24939         m32c_promote_prototypes): Delete.
24940
24941 2009-04-28  Michael Matz  <matz@suse.de>
24942
24943         PR middle-end/39922
24944         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
24945         constants.
24946
24947 2009-04-28  Richard Guenther  <rguenther@suse.de>
24948
24949         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
24950
24951 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
24952
24953         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
24954         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
24955         * config/arm/arm-tune.md: Regenerate.
24956
24957 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
24958
24959         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
24960         block if there are complex incoming edges.
24961         (sel_merge_blocks): Remove useless assert.
24962         (sel_redirect_edge_and_branch): Check that edge was redirected.
24963         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
24964         (sel_find_rgns): Delete declaration.
24965         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
24966         the region when it is not a preheader.
24967
24968 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
24969
24970         PR c/39323
24971         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
24972
24973 2009-04-28  Richard Guenther  <rguenther@suse.de>
24974
24975         * tree.h (SSA_NAME_VALUE): Remove.
24976         (struct tree_ssa_name): Remove value_handle member.
24977         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
24978         array for jump threading.
24979         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
24980         SSA_NAME_VALUEs.
24981         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
24982         * tree-flow.h (threadedge_initialize_values): Declare.
24983         (threadedge_finalize_values): Likewise.
24984         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
24985         (SSA_NAME_VALUE): Define.
24986         (threadedge_initialize_values): New function.
24987         (threadedge_finalize_values): Likewise.
24988         * tree-ssa-dom.c (ssa_name_values): New global variable.
24989         (SSA_NAME_VALUE): Define.
24990         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
24991
24992 2009-04-28  Ira Rosen  <irar@il.ibm.com>
24993
24994         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
24995         Use REPORT_VECTORIZED_LOCATIONS instead
24996         REPORT_VECTORIZED_LOOPS.
24997         * tree-vectorizer.c (vect_verbosity_level): Make static.
24998         (vect_loop_location): Rename to vect_location.
24999         (vect_set_verbosity_level): Update comment.
25000         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
25001         and vect_location.
25002         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
25003         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
25004         instead REPORT_UNVECTORIZED_LOOPS.
25005         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
25006         and vect_loop_def to vect_external_def and vect_internal_def.
25007         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
25008         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and
25009         REPORT_UNVECTORIZED_LOCATIONS.
25010         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
25011         and vect_used_in_loop and to vect_unused_in_scope and
25012         vect_used_in_scope.
25013         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
25014         (vect_verbosity_level): Remove declaration.
25015         (vect_analyze_operations): Likewise.
25016         (vect_analyze_stmt): Declare.
25017         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
25018         REPORT_UNVECTORIZED_LOCATIONS.
25019         (vect_get_loop_niters): Fix indentation.
25020         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
25021         (vect_analyze_loop_operations): New function.
25022         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
25023         vect_analyze_operations.
25024         (vect_is_simple_reduction): Use new names.
25025         (vectorizable_live_operation, vect_transform_loop): Likewise.
25026         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
25027         to specify whether the data references can be a part of interleaving
25028         chain.
25029         (vect_analyze_data_ref_dependence): Use new names.
25030         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
25031         (vect_create_addr_base_for_vector_ref): Remove redundant code.
25032         * tree-vect-patterns.c (widened_name_p): Use new names.
25033         (vect_recog_dot_prod_pattern): Likewise.
25034         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
25035         (process_use, vect_mark_stmts_to_be_vectorized,
25036         vect_model_simple_cost, vect_model_store_cost,
25037         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
25038         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
25039         vectorizable_operation, vectorizable_type_demotion,
25040         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
25041         vectorizable_condition): Likewise.
25042         (vect_analyze_operations): Split into vect_analyze_loop_operations
25043         and ...
25044         (vect_analyze_stmt): ... new function.
25045         (new_stmt_vec_info): Use new names.
25046         (vect_is_simple_use): Use new names and fix comment.
25047         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
25048         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
25049
25050 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
25051
25052         PR target/39911
25053         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
25054         and integer modes for x87 operands.  Do not ICE for unsupported size,
25055         generate error instead.  Generate error for unsupported operand types.
25056         ['z']: Do not handle HImode memory operands specially.  Warning
25057         for floating-point operands.  Fallthru to 'Z' for unsupported operand
25058         types.  Do not ICE for unsupported size, generate error instead.
25059         (output_387_binary_op): Use %Z to output operands.
25060         (output_fp_compare): Ditto.
25061         (output_387_reg_move): Ditto.
25062
25063 2009-04-28  Ben Elliston  <bje@au.ibm.com>
25064
25065         PR c++/35652
25066         Revert:
25067
25068         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25069
25070         * builtins.c (c_strlen): Do not warn here.
25071         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
25072         * c-common.c (pointer_int_sum): Take an explicit location.
25073         Warn about offsets out of bounds.
25074         * c-common.h (pointer_int_sum): Adjust declaration.
25075
25076 2009-04-27  Ian Lance Taylor  <iant@google.com>
25077
25078         * collect2.c (is_ctor_dtor): Change type of ret field in struct
25079         names to symkind.
25080         * dce.c (run_fast_df_dce): Change type of old_flags to int.
25081         * df-core.c (df_set_flags): Change return type to int.  Change
25082         type of old_flags to int.
25083         (df_clear_flags): Likewise.
25084         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
25085         (df_get_conditional_uses): Likewise.
25086         * df.h (df_set_flags, df_clear_flags): Update declarations.
25087         * dwarf2out.c (struct indirect_string_node): Change type of form
25088         field to enum dwarf_form.
25089         (AT_string_form): Change return type to enum dwarf_form.
25090         * fixed-value.c (fixed_compare): Add cast to enum type.
25091         * fwprop.c (update_df): Change 0 to VOIDmode.
25092         * gensupport.c: Change 0 to UNKNOWN.
25093         * gimple.h (gimple_cond_code): Add cast to enum type.
25094         * haifa-sched.c (reemit_notes): Add cast to enum type.
25095         * hooks.c (hook_int_void_no_regs): Remove function.
25096         * hooks.h (hook_int_void_no_regs): Remove declaration.
25097         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
25098         * predict.c (combine_predictions_for_insn): Add casts to enum type.
25099         * real.c (real_arithmetic): Add cast to enum type.
25100         (real_compare): Likewise.
25101         * target.h (struct gcc_target): Change return type of
25102         branch_target_register_class to enum reg_class.
25103         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
25104         default_branch_target_register_class.
25105         * targhooks.c (default_branch_target_register_class): New function.
25106         * targhooks.h (default_branch_target_register_class): Declare.
25107         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
25108         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
25109         cast to int.
25110         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
25111         ERROR_MARK.
25112         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
25113         vect_uninitialized_def.  Change 0 to ERROR_MARK.
25114         * tree-vect-stmts.c (supportable_widening_operation): Don't
25115         initialize icode1 and icode2.
25116         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
25117         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
25118         and to STD_C89.
25119         (cmn_err_flag_specs): Change 0 to STD_C89.
25120         (cmn_err_char_table): Likewise.
25121         * config/arm/arm.c (get_arm_condition_code): Change type of code
25122         to enum arm_cond_code.
25123         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
25124         (IWMMXT_BUILTIN2): Likewise.
25125         (neon_builtin_type_bits): Don't define typedef.
25126         (neon_builtin_datum): Change type of bits field to int.
25127         (arm_expand_neon_args): Add cast to enum type.
25128         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
25129         TLS_MODEL_NONE.
25130         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
25131         casts to enum type.
25132         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
25133         MIPS_FP_COND_f.
25134         * config/mips/mips.md (jal_macro): Return enum constant.
25135         (single_insn): Likewise.
25136         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
25137         CODE_FOR_nothing.
25138         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
25139         casts to enum type.
25140         * config/s390/s390.c (s390_tune_flags): Change type to int.
25141         (s390_arch_flags): Likewise.
25142         (s390_handle_arch_option): Change flags field of struct pta to int.
25143         * config/s390/s390.h (s390_tune_flags): Update declaration.
25144         (s390_arch_flags): Likewise.
25145         * config/sh/sh.c (prepare_move_operands): Compare
25146         tls_symbolic_operand result with enum constant.
25147         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
25148         (sh_expand_prologue): Add cast to enum type.
25149         (sh_expand_epilogue): Likewise.
25150         (tls_symbolic_operand): Change return type to enum tls_model.
25151         (fpscr_set_from_mem): Add cast to enum type.
25152         (legitimize_pic_address): Compare tls_symbolic_operand result with
25153         enum constant.
25154         (sh_target_reg_class): Change return type to enum reg_class.
25155         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
25156         PROCESSOR_xxx.
25157         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
25158         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
25159         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
25160         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
25161         (delayed_branch, tls_call_delay): Likewise.
25162         (eligible_for_sibcall_delay): Likewise.
25163         (eligible_for_return_delay): Likewise.
25164         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
25165         (spu_expand_builtin_1): Likewise.
25166
25167         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
25168         for all types of conversions.
25169         (output_init_element): Issue -Wc++-compat warning if needed when
25170         initializing a bitfield with enum type.
25171         * c-parser.c (c_parser_expression): Set original_type to
25172         original_type of right hand operand of comma operator.
25173
25174 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25175
25176         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
25177         grammar nits.
25178         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
25179         * doc/cpp.texi (Standard Predefined Macros)
25180         (Implementation-defined behavior): Likewise.
25181         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
25182         * doc/gimple.texi (GIMPLE Exception Handling)
25183         (@code{GIMPLE_ASSIGN}): Likewise.
25184         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
25185         * doc/invoke.texi (Warning Options, Optimize Options)
25186         (AVR Options, Darwin Options): Likewise.
25187         (Optimize Options): Reformulate -fwhole-program description.
25188         * doc/loop.texi (Lambda): Likewise.
25189         * doc/md.texi (Output Template, Define Constraints)
25190         (Standard Names, Insn Splitting): Likewise.
25191         * doc/options.texi (Option properties): Likewise.
25192         * doc/passes.texi (Tree-SSA passes): Likewise.
25193         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
25194         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
25195         (File Names and DBX): Likewise.
25196         * doc/trouble.texi (Incompatibilities): Likewise.
25197
25198 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
25199
25200         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
25201         instruction is correct.
25202
25203 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
25204
25205         Allow non-constant arguments to conversion intrinsics.
25206         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
25207         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
25208         * spu.c (print_operand): Handle 'v' and 'w'.
25209         (exp2_immediate_p, spu_gen_exp2): Define.
25210         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
25211         spu_convtf_1): Update parameter descriptions.
25212         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
25213         * constraints.md ('v', 'w'): New.
25214         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
25215         Remove.
25216         (i2f, I2F): New define_mode_attr.
25217         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
25218         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
25219         fixuns_truncv4sfv4si2):  Update to use mode attribute.
25220         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
25221         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
25222         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
25223         patterns for combine.
25224
25225 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
25226
25227         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
25228         (cprop, hoist, pre, store_motion): New debug counters.
25229         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
25230         is not an RTL pass anymore.
25231         (pass_profiling): Remove extern decl for pass removed in 2005.
25232         (pass_gcse, pass_jump_bypass): Remove.
25233         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
25234         to 0 for clean state.
25235         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
25236         * cse.c (gate_handle_cse_after_global_opts,
25237         rest_of_handle_cse_after_global_opts): New functions.
25238         (pass_cse_after_global_opts): New pass, does local CSE.
25239         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
25240         (TV_CPROP): New timevar.
25241         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
25242         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
25243         (gcse_main, recompute_all_luids): Remove.
25244         (compute_hash_table_work): Call max_reg_num instead of reading
25245         max_gcse_regno.
25246         (cprop_jump): Don't set run_jump_opt_after_gcse.
25247         (constprop_register): Always allow to alter jumps.
25248         (cprop_insn): Likewise.
25249         (do_local_cprop): Likewise.
25250         (local_cprop_pass): Likewise.  Return non-zero if something changed.
25251         (cprop): Remove function, fold interesting bits into one_cprop_pass.
25252         (find_implicit_sets): Add note about missed optimization opportunity.
25253         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
25254         pass_rtl_cprop execute function.
25255         Don't bother tracking the pass number, each pass gets its own dumpfile
25256         now anyway.
25257         Always allow to alter jumpsand bypass jumps.
25258         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
25259         will just find no suitable set.
25260         (pre_edge_insert): Fix dumping, this function is for PRE only.
25261         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
25262         pass_rtl_pre execute function.
25263         (hoist_code): Return non-zero if something changed.  Keep track of
25264         substitutions and insertions for statistics gathering similar to PRE.
25265         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
25266         called from the pass_rtl_hoist execute function.  Show pass statistics.
25267         (compute_store_table): Use max_reg_num directly instead of using the
25268         formerly global max_gcse_regno.
25269         (build_store_vectors): Likewise.
25270         (replace_store_insn): Fix dumping.
25271         (store_motion): Rename to ...
25272         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
25273         pass, called from the pass_rtl_store_motion execute function.  Keep
25274         track of substitutions and insertions for statistics gathering similar
25275         to PRE.
25276         (bypass_jumps): Remove, fold interesting bits into ...
25277         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
25278         from the pass_rtl_cprop execute function.
25279         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
25280         pass_jump_bypass): Remove.
25281         (gate_handle_gcse, rest_of_handle_gcse): Remove.
25282         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
25283         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
25284         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
25285         (gate_rtl_store_motion, execute_rtl_store_motion,
25286         pass_rtl_store_motion): New.
25287         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
25288         make it clear that -fcse-skip-blocks is a no-op for backward compat.
25289         * passes.c (init_optimization_passes): Remove pass_gcse and
25290         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
25291         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
25292         instead of pass_jump_bypass.
25293
25294 2009-04-27  Richard Guenther  <rguenther@suse.de>
25295
25296         PR middle-end/39928
25297         * gimplify.c (gimplify_expr): If we are required to create
25298         a temporary make sure it ends up as register.
25299
25300 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
25301
25302         PR target/39903
25303         * config/i386/i386.c (construct_container): Don't call
25304         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
25305         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
25306
25307 2009-04-27  Michael Matz  <matz@suse.de>
25308
25309         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
25310         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
25311         * tree-ssa-live.h (find_replaceable_exprs): Return a bitmap.
25312         (dump_replaceable_exprs): Take a bitmap.
25313         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
25314         array.
25315         (expand_gimple_basic_block): Likewise.
25316         * tree-ssa-ter.c (struct temp_expr_table_d): Make
25317         replaceable_expressions member a bitmap.
25318         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
25319         (mark_replaceable): Likewise.
25320         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
25321         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
25322
25323 2009-04-27  Richard Guenther  <rguenther@suse.de>
25324
25325         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
25326         (verify_stmts): Dispatch to gimple/type verification code.
25327         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
25328         issue with call argument types.
25329
25330 2009-04-27  Michael Matz  <matz@suse.de>
25331
25332         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
25333         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
25334         to above.
25335
25336 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
25337             Eric Botcazou  <ebotcazou@adacore.com>
25338
25339         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
25340         a label's basic block.
25341         (mark_target_live_regs): Tidy and rework obsolete comments.
25342         Change back DF problem to LIVE.  If a label starts a basic block,
25343         assume that all registers that used to be live then still are.
25344         (init_resource_info): If a label starts a basic block, set its
25345         BLOCK_FOR_INSN accordingly.
25346         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
25347
25348 2009-04-27  Richard Guenther  <rguenther@suse.de>
25349
25350         * tree-flow-inline.h (function_ann): Remove.
25351         (get_function_ann): Likewise.
25352         * tree-dfa.c (create_function_ann): Remove.
25353         * tree-flow.h (struct static_var_ann_d): Remove.
25354         (struct function_ann_d): Likewise.
25355         (union tree_ann_d): Remove fdecl member.
25356         (function_ann_t): Remove.
25357         (function_ann, get_function_ann, create_function_ann): Remove
25358         declarations.
25359
25360 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
25361
25362         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
25363
25364 2009-04-27  Jan Hubicka  <jh@suse.cz>
25365
25366         * ipa-pure-const.c (struct funct_state_d): New fields
25367         state_previously_known, looping_previously_known; remove
25368         state_set_in_source.
25369         (analyze_function): Use new fields.
25370         (propagate): Avoid assumption that state_set_in_source imply
25371         nonlooping.
25372
25373         * tree-ssa-loop-niter.c (finite_loop_p): New function.
25374         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
25375         * cfgloop.h (finite_loop_p): Declare.
25376
25377 2009-04-26  Michael Matz  <matz@suse.de>
25378
25379         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
25380
25381 2009-04-26  Michael Matz  <matz@suse.de>
25382
25383         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
25384         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
25385         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
25386         pass_mark_used_blocks): Remove.
25387         * tree-optimize.c (pass_free_datastructures,
25388         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
25389         * passes.c (init_optimization_passes): Don't call
25390         pass_mark_used_blocks, remove dead code.
25391
25392 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
25393
25394         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
25395         * tree-ssa-live.h (register_ssa_partition): Likewise.
25396
25397 2009-04-26  Michael Matz  <matz@suse.de>
25398
25399         Expand from SSA.
25400         * builtins.c (fold_builtin_next_arg): Handle SSA names.
25401         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
25402         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
25403         SSA names.
25404         (compare_pairs): Swap cost comparison.
25405         (coalesce_ssa_name): Don't use change_partition_var.
25406         * tree-nrv.c (struct nrv_data): Add modified member.
25407         (finalize_nrv_r): Set it.
25408         (tree_nrv): Use it to update statements.
25409         (pass_nrv): Require PROP_ssa.
25410         * tree-mudflap.c (mf_decl_cache_locals,
25411         mf_build_check_statement_for): Use make_rename_temp.
25412         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
25413         * alias.c (find_base_decl): Handle SSA names.
25414         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
25415         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
25416         * rtl.h (set_reg_attrs_for_parm): Declare.
25417         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
25418         to "optimized", remove unused locals at finish.
25419         (execute_free_datastructures): Make global, call
25420         delete_tree_cfg_annotations.
25421         (execute_free_cfg_annotations): Don't call
25422         delete_tree_cfg_annotations.
25423
25424         * ssaexpand.h: New file.
25425         * expr.c (toplevel): Include ssaexpand.h.
25426         (expand_assignment): Handle SSA names the same as register variables.
25427         (expand_expr_real_1): Expand SSA names.
25428         * cfgexpand.c (toplevel): Include ssaexpand.h.
25429         (SA): New global variable.
25430         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
25431         (SSAVAR): New macro.
25432         (set_rtl): New helper function.
25433         (add_stack_var): Deal with SSA names, use set_rtl.
25434         (expand_one_stack_var_at): Likewise.
25435         (expand_one_stack_var): Deal with SSA names.
25436         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
25437         before unique numbers.
25438         (expand_stack_vars): Use set_rtl.
25439         (expand_one_var): Accept SSA names, add asserts for them, feed them
25440         to above subroutines.
25441         (expand_used_vars): Expand all partitions (without default defs),
25442         then only the local decls (ignoring those expanded already).
25443         (expand_gimple_cond): Remove edges when jumpif() expands an
25444         unconditional jump.
25445         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
25446         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
25447         SSA name.
25448         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
25449         members of SA; deal with PARM_DECL partitions here; expand
25450         all PHI nodes, free tree datastructures and SA.  Commit instructions
25451         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
25452         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
25453         info and statements at start, collect garbage at finish.
25454         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
25455         (VAR_ANN_PARTITION) Remove.
25456         (change_partition_var): Don't declare.
25457         (partition_to_var): Always return SSA names.
25458         (var_to_partition): Only accept SSA names.
25459         (register_ssa_partition): Only check argument.
25460         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
25461         member.
25462         (delete_var_map): Don't free it.
25463         (var_union): Only accept SSA names, simplify.
25464         (partition_view_init): Mark only useful SSA names as used.
25465         (partition_view_fini): Only deal with SSA names.
25466         (change_partition_var): Remove.
25467         (dump_var_map): Use ssa_name instead of partition_to_var member.
25468         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
25469         basic blocks.
25470         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
25471         (struct _elim_graph): New member const_dests; nodes member vector of
25472         ints.
25473         (set_location_for_edge): New static helper.
25474         (create_temp): Remove.
25475         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
25476         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
25477         (new_elim_graph): Allocate const_dests member.
25478         (clean_elim_graph): Truncate const_dests member.
25479         (delete_elim_graph): Free const_dests member.
25480         (elim_graph_size): Adapt to new type of nodes member.
25481         (elim_graph_add_node): Likewise.
25482         (eliminate_name): Likewise.
25483         (eliminate_build): Don't take basic block argument, deal only with
25484         partition numbers, not variables.
25485         (get_temp_reg): New static helper.
25486         (elim_create): Use it, deal with RTL temporaries instead of trees.
25487         (eliminate_phi): Adjust all calls to new signature.
25488         (assign_vars, replace_use_variable, replace_def_variable): Remove.
25489         (rewrite_trees): Only do checking.
25490         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
25491         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
25492         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
25493         contains_tree_r, MAX_STMTS_IN_LATCH,
25494         process_single_block_loop_latch, analyze_edges_for_bb,
25495         perform_edge_inserts): Remove.
25496         (expand_phi_nodes): New global function.
25497         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
25498         functions, initialize new parameter, remember partitions having a
25499         default def.
25500         (finish_out_of_ssa): New global function.
25501         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
25502         don't reset in_ssa_p here, don't disable TER when mudflap.
25503         (pass_del_ssa): Remove.
25504         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
25505         partition members.
25506         (execute_free_datastructures): Declare.
25507         * Makefile.in (SSAEXPAND_H): New variable.
25508         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
25509         * basic-block.h (commit_one_edge_insertion): Declare.
25510         * passes.c (init_optimization_passes): Move pass_nrv and
25511         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
25512         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
25513         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
25514         (redirect_branch_edge): Deal with super block when expanding, split
25515         out jump patching itself into ...
25516         (patch_jump_insn): ... here, new static helper.
25517
25518 2009-04-26  Michael Matz  <matz@suse.de>
25519
25520         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
25521         beyond num_ssa_names.
25522         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
25523         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
25524
25525 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
25526
25527         PR inline-asm/39543
25528         * fwprop.c (forward_propagate_asm): New function.
25529         (forward_propagate_and_simplify): Propagate also into __asm, if it
25530         doesn't increase the number of referenced registers.
25531
25532         PR c/39889
25533         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
25534
25535 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
25536
25537         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
25538         note_nonlocal_vla_type for nonlocal VLAs.
25539         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
25540         contains_remapped_vars, remap_vla_decls): New functions.
25541         (convert_nonlocal_reference_stmt): If not optimizing, call
25542         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
25543         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
25544         if it wasn't found in var_map.
25545         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
25546         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
25547         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
25548         declare_vars.
25549         * gimplify.c (nonlocal_vlas): New variable.
25550         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
25551         referenced VLAs.
25552         (gimplify_body): Create and destroy nonlocal_vlas.
25553
25554         * dwarf2out.c (loc_descr_plus_const): New function.
25555         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
25556         mem_loc_descriptor, loc_descriptor_from_tree_1,
25557         descr_info_loc, gen_variable_die): Use it.
25558
25559         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
25560         !TREE_STATIC VAR_DECLs.
25561         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
25562         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
25563         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
25564         DECL_BY_REFERENCE is valid.
25565         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
25566         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
25567         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
25568         Copy DECL_BY_REFERENCE.
25569         (struct nesting_copy_body_data): New type.
25570         (nesting_copy_decl): New function.
25571         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
25572         if they have variable length.
25573
25574 2009-04-26  Michael Matz  <matz@suse.de>
25575
25576         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
25577         mark new temporaries for renaming.
25578
25579 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
25580
25581         PR c/39581
25582         * c-decl.c (global_bindings_p): Return negative value.
25583         (c_variable_size): New.  Based on variable_size from
25584         stor-layout.c.
25585         (grokdeclarator): Call c_variable_size not variable_size.
25586
25587 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
25588
25589         * config/i386/i386.c (print_operand) ['z']: Fix typo.
25590
25591 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
25592
25593         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
25594         Redefine it to just use mingw/include.
25595         (ASM_SPEC): Rules for -m32 and -m64.
25596         (LINK_SPEC): Use Likewise.
25597         (SPEC_32): New define.
25598         (SPEC_64): Likewise.
25599         (SUB_LINK_SPEC): Likewise.
25600         (MULTILIB_DEFAULTS): New define.
25601         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
25602         Add multilib options.
25603         (MULTILIB_DIRNAMES): Likewise.
25604         (MULTILIB_OSDIRNAMES): Likewise.
25605         (LIBGCC): Likewise.
25606         (INSTALL_LIBGCC): Likewise.
25607
25608 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
25609
25610         PR c/39556
25611         * c-tree.h (enum c_inline_static_type): New.
25612         (record_inline_static): Declare.
25613         * c-decl.c (struct c_inline_static, c_inline_statics,
25614         record_inline_static, check_inline_statics): New.
25615         (pop_file_scope): Call check_inline_statics.
25616         (start_decl): Call record_inline_static instead of pedwarning
25617         directly for static in inline function.
25618         * c-typeck.c (build_external_ref): Call record_inline_static
25619         instead of pedwarning directly for static referenced in inline
25620         function.
25621
25622 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
25623
25624         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
25625         not new but only being rescanned.
25626         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
25627         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
25628         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
25629         record_set_info, compute_set, grealloc): Remove.
25630         (recompute_all_luids): New function.
25631         (gcse_main): Don't compute sets, and don't do related memory
25632         allocations/free-ing.  If something changed before the end of the
25633         pass, update LUIDs using recompute_all_luids.
25634         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
25635         (free_gcse_mem): Don't free it either.
25636         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
25637         Use the df insn LUIDs.
25638         (load_killed_in_block): Likewise.
25639         (compute_hash_table_work): Don't compute reg_set_in_block.
25640         (compute_transp): Use DF_REG_DEF_CHAINs.
25641         (local_cprop_pass): Don't use compute_sets and related functions.
25642         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
25643         Use get_max_uid() instead of max_cuid.
25644         (insert_insn_end_basic_block, pre_insert_copy_insn,
25645         update_ld_motion_stores): Don't try to
25646         keep reg_set tables up to date.
25647         (pre_insert_copies): Use df insn LUIDs.
25648         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
25649         (reg_set_info): Don't use extra bitmap argument.
25650         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
25651         information to compute regs_set_in_block.
25652         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
25653         (bypass_jumps): Don't use compute_sets and friends.
25654
25655 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25656
25657         PR testsuite/39710
25658         * opts.c (undocumented_msg): Do not leave blank even with
25659         ENABLE_CHECKING.
25660
25661 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
25662
25663         * c-decl.c (build_enumerator): Allow values folding to integer
25664         constants but not integer constant expressions with a pedwarn if
25665         pedantic.
25666
25667 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
25668
25669         PR c/39582
25670         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
25671         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
25672         type is an integer constant.
25673
25674 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
25675
25676         PR target/39897
25677         * config/i386/i386.c (print_operand) ['z']: Revert handling of
25678         HImode operands.
25679
25680 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
25681
25682         PR c/39564
25683         * c-decl.c (grokdeclarator): Diagnose declarations of functions
25684         with variably modified return type and no storage class
25685         specifiers, except for the case of nested functions.  Distinguish
25686         extern declarations of functions with variably modified return
25687         types from those of objects with variably modified types.
25688
25689 2009-04-25  Jan Hubicka  <jh@suse.cz>
25690
25691         * tree.c (list_equal_p): New function.
25692         * tree.h (list_equal_p): Declare.
25693         * coretypes.h (edge_def, edge, const_edge, basic_block_def
25694         basic_block_def, basic_block, const_basic_block): New.
25695         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
25696         (redirect_eh_edge): New function.
25697         (make_eh_edge_update_phi): EH edges are not abnormal.
25698         * except.c: Include tree-flow.h.
25699         (list_match): New function.
25700         (eh_region_replaceable_by_p): New function.
25701         (replace_region): New function.
25702         (hash_type_list): New function.
25703         (hash_eh_region): New function.
25704         (eh_regions_equal_p): New function.
25705         (merge_peers): New function.
25706         (remove_unreachable_regions): Verify EH tree when checking;
25707         merge peers.
25708         (copy_eh_region_1): New function.
25709         (copy_eh_region): New function.
25710         (push_reachable_handler): New function.
25711         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
25712         regions without label but with live RESX.
25713         * except.h (redirect_eh_edge_to_label): New.
25714         * tree-flow.h (redirect_eh_edge): New.
25715         * coretypes.h (edge_def, edge, const_edge, basic_block_def
25716         basic_block_def, basic_block, const_basic_block): Remove.
25717         * Makefile.in (except.o): Add dependency on tree-flow.h
25718         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
25719         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
25720         Remove.
25721
25722 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
25723
25724         PR bootstrap/39645
25725         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
25726         on the destination of memcpy.
25727
25728 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
25729
25730         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
25731         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
25732         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
25733
25734 2009-04-25  Jan Hubicka  <jh@suse.cz>
25735
25736         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
25737         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
25738         to be reached by different label than left.
25739         (update_eh_edges): Update comment; remove edge_to_remove if possible
25740         and return true if suceeded.
25741         (cleanup_empty_eh): Accept sharing map; handle shared regions.
25742         (cleanup_eh): Compute sharing map.
25743         * except.c (remove_eh_handler_and_replace): Add argument if we should
25744         update regions.
25745         (remove_unreachable_regions): Update for label sharing.
25746         (label_to_region_map): Likewise.
25747         (get_next_region_sharing_label): New function.
25748         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
25749         prev_try pointers.
25750         (remove_eh_handler): Update.
25751         (remove_eh_region_and_replace_by_outer_of): New function.
25752         * except.h (struct eh_region): Add next_region_sharing_label.
25753         (remove_eh_region_and_replace_by_outer_of,
25754         get_next_region_sharing_label): Declare.
25755         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
25756
25757 2009-04-25  Jan Hubicka  <jh@suse.cz>
25758
25759         * tree-cfg.c (split_critical_edges): Split also edges where we can't
25760         insert code even if they are not critical.
25761
25762 2009-04-25  Jan Hubicka  <jh@suse.cz>
25763
25764         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
25765         (gimple_can_remove_branch_p): EH edges won't remove branch by
25766         redirection.
25767         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
25768         updating of non-abnormal EH edges.
25769         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
25770         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
25771         (split_critical_edges): Split also edges where emitting code on them
25772         will lead to splitting later.
25773
25774 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
25775             H.J. Lu  <hongjiu.lu@intel.com>
25776
25777         PR target/39590
25778         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
25779         the configured assembler supports fildq and fistpq mnemonics.
25780         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
25781         * configure: Regenerated.
25782         * config.in: Ditto.
25783
25784         * config/i386/i386.c (print_operand): Handle 'Z'.
25785         ['z']: Remove handling of special fild/fist suffixes.
25786         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
25787         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
25788         suffix of fild insn.
25789         (*floatsi<mode>2_vector_mixed): Ditto.
25790         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
25791         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
25792         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
25793         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
25794         * config/i386/gas.h (GAS_MNEMONICS): Remove.
25795
25796 2009-04-25  Ben Elliston  <bje@au.ibm.com>
25797
25798         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
25799         the source of a set operation.
25800
25801 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
25802
25803         * target.h (struct gcc_target): Add case_values_threshold field.
25804         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
25805         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
25806         * targhooks.c (default_case_values_threshold): New function.
25807         * targhooks.h (default_case_values_threshold): Declare function.
25808         * stmt.c (expand_case): Use case_values_threshold target hook.
25809         * expr.h (case_values_threshold): Remove declartation.
25810         * expr.c (case_values_threshold): Remove function.
25811         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
25812
25813         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
25814         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
25815         (avr_case_values_threshold): Declare as static.
25816         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
25817
25818         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
25819         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
25820         (mn10300_case_values_threshold): New function.
25821
25822 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
25823
25824         * ira.c (setup_cover_and_important_classes): Add enum cast.
25825
25826 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
25827
25828         * genpreds.c (write_enum_constraint_num): Output definition of
25829         CONSTRAINT_NUM_DEFINED_P macro.
25830         * ira.c (setup_cover_and_important_classes): Use
25831         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
25832
25833 2009-04-24  DJ Delorie  <dj@redhat.com>
25834
25835         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
25836         __SH2A_SINGLE_ONLY__ also.
25837
25838 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
25839
25840         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
25841         (movdf_internal): Ditto.
25842         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
25843         SFmode and DFmode constants.
25844         (ia64_print_operand): Add 'G' format for printing
25845         floating point constants.
25846
25847 2009-04-24  Richard Guenther  <rguenther@suse.de>
25848
25849         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
25850         from unsigned additions.
25851
25852 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
25853
25854         * c-typeck.c (set_init_index): Allow array designators that are
25855         not integer constant expressions with a pedwarn if pedantic.
25856
25857 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
25858
25859         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
25860         zero if no overlap in nonzero bits between the operands.
25861
25862 2009-04-24  Ian Lance Taylor  <iant@google.com>
25863
25864         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
25865         (record_dead_and_set_regs): Likewise.
25866         * df.h (struct df_mw_hardreg): Change flags field to int.
25867         (struct df_base_ref): Likewise.
25868         (struct df): Change changeable_flags field to int.
25869         * df-scan.c (df_defs_record): Change clobber_flags to int.
25870         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
25871         constants rather than #define macros.
25872         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
25873         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
25874         (enum dwarf_calling_convention): Likewise.
25875         (enum dwarf_line_number_x_ops): Likewise.
25876         (enum dwarf_call_frame_info): Likewise.
25877         (enum dwarf_source_language): Likewise.
25878         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
25879         (add_calling_convention_attribute): Likewise.
25880         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
25881         (combine_comparisons): Change compcode to int.  Add cast to enum type.
25882         * genrecog.c (maybe_both_true_2): Change c to int.
25883         (write_switch): Likewise.  Add cast to enum type.
25884         * gimplify.c (gimplify_omp_for): Handle return values from
25885         gimplify_expr using MIN rather than bitwise or.
25886         (gimplify_expr): Add cast to enum type.
25887         * ipa-prop.c (update_jump_functions_after_inlining): Change
25888         IPA_BOTTOM to IPA_JF_UNKNOWN.
25889         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
25890         Add casts to enum type.
25891         (setup_cover_and_important_classes): Change cl to int.  Add casts
25892         to enum type.
25893         (setup_class_translate): Change cl and mode to int.
25894         (ira_init_once): Change mode to int.
25895         (free_register_move_costs): Likewise.
25896         (setup_prohibited_mode_move_regs): Add casts to enum type.
25897         * langhooks.c (add_builtin_function_common): Rework assertion that
25898         value fits bitfield.
25899         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
25900         * omega.c (omega_do_elimination): Avoid math on enum types.
25901         * optabs.c (expand_vec_shift_expr): Remove casts to int.
25902         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
25903         int local to handle integral_argment value.
25904         * regmove.c (try_auto_increment): Change PUT_MODE to
25905         PUT_REG_NOTE_KIND.
25906         * reload.c (push_secondary_reload): Add casts to enum type.
25907         (secondary_reload_class, find_valid_class): Likewise.
25908         * reload1.c (emit_input_reload_insns): Likewise.
25909         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
25910         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
25911         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
25912         constant.
25913         * tree.c (build_common_builtin_nodes): Add casts to enum type.
25914         * tree-complex.c (complex_lattice_t): Typedef to int rather than
25915         enum type.
25916         (expand_complex_libcall): Add casts to enum type.
25917         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
25918         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
25919         with ERROR_MARK, not NUM_TREE_CODES.
25920         (vect_create_epilog_for_reduction): Likewise.
25921         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
25922         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
25923         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
25924         enum machine_mode.
25925         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
25926         vect_unused_in_loop.  Change 0 to loop_vect.
25927         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
25928         * var-tracking.c (get_init_value): Change return type to enum
25929         var_init_status.
25930         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
25931         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
25932         arm_fp_model.
25933         (arm_override_options): Add casts to enum type.
25934         (arm_emit_tls_decoration): Likewise.
25935         * config/i386/i386.c (ix86_function_specific_restore): Add casts
25936         to enum type.
25937         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
25938         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
25939         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
25940         enum type.
25941         * config/s390/s390.c (code_for_builtin_64): Change to array of
25942         enum insn_code.
25943         (code_for_builtin_31): Likewise.
25944         (s390_expand_builtin): Change code_for_builtin to enum insn_code
25945         const *.
25946         * config/sparc/sparc.c (sparc_override_options): Change value
25947         field in struct code_model to enum cmodel.  In initializer change
25948         0 to NULL and add cast to enum type.
25949
25950         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
25951         Change all callers.  Issue a -Wc++-compat warning using
25952         lhs_origtype if necessary.
25953         (convert_for_assignment): Issue -Wc++-compat warnings about
25954         invalid conversions to enum type on assignment.
25955         * c-common.h (build_modify_expr): Update declaration.
25956
25957 2009-04-24  Nick Clifton  <nickc@redhat.com>
25958
25959         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
25960         (function_arg_advance): Likewise.
25961         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
25962         5th alternative.
25963
25964 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
25965
25966         * config/s390/constraints.md ('I', 'J'): Fix condition.
25967
25968 2009-04-24  Diego Novillo  <dnovillo@google.com>
25969
25970         * gengtype-parse.c (parse_error): Add newline after message.
25971
25972 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
25973
25974         * config/i386/sse.md (avxmodesuffixs): Removed.
25975         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
25976         (*avx_pinsr<ssevecsize>): This.
25977
25978 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
25979
25980         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
25981         follow chains of regs with a single definition, and allow expressions
25982         that are function_invariant_p.
25983         (simple_rhs_p): Allow expressions that are function_invariant_p.
25984
25985 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
25986
25987         PR middle-end/39867
25988         * fold-const.c (fold_cond_expr_with_comparison): When folding
25989         > and >= to MAX, make sure the MAX uses the same type as the
25990         comparison's operands.
25991
25992 2009-04-24  Nick Clifton  <nickc@redhat.com>
25993
25994         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
25995         addressing for DImode accesses.
25996         (frv_print_operand_address): Handle PLUS case.
25997         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
25998
25999 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
26000
26001         PR rtl-optimization/39794
26002         * alias.c (canon_true_dependence): Add x_addr argument.
26003         * rtl.h (canon_true_dependence): Adjust prototype.
26004         * cse.c (check_dependence): Adjust canon_true_dependence callers.
26005         * cselib.c (cselib_invalidate_mem): Likewise.
26006         * gcse.c (compute_transp): Likewise.
26007         * dse.c (scan_reads_nospill): Likewise.
26008         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
26009         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
26010         canon_base_addr of the group, plus optional offset.
26011         (struct group_info): Rename canon_base_mem to
26012         canon_base_addr.
26013         (get_group_info): Set canon_base_addr to canon_rtx of base, not
26014         canon_rtx of base_mem.
26015
26016 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
26017
26018         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
26019         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
26020
26021 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
26022
26023         * config/spu/spu-builtins.h: Delete file.
26024
26025         * config/spu/spu.h (enum spu_builtin_type): Move here from
26026         spu-builtins.h.
26027         (struct spu_builtin_description): Likewise.  Add GTY marker.
26028         Do not use enum spu_function_code or enum insn_code.
26029         (spu_builtins): Add extern declaration.
26030
26031         * config/spu/spu.c: Do not include "spu-builtins.h".
26032         (enum spu_function_code, enum spu_builtin_type_index,
26033         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
26034         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
26035         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
26036         unsigned_V2DI_type_node): Move here from spu-builtins.h.
26037         (spu_builtin_types): Make static.  Add GTY marker.
26038         (spu_builtins): Add extern declaration with GTY marker.
26039         Include "gt-spu.h".
26040
26041         * config/spu/spu-c.c: Do not include "spu-builtins.h".
26042         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
26043         Check programmatically whether all parameters are scalar.
26044
26045         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
26046
26047 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
26048
26049         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
26050         assignment from the constructor either if the target is volatile.
26051
26052 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
26053
26054         * config/arm/arm.md (insv): Do not share operands[0].
26055
26056 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
26057
26058         * config/vxlib-tls.c (active_tls_threads): Delete.
26059         (delete_hook_installed): New.
26060         (tls_delete_hook): Don't delete the delete hook.
26061         (tls_destructor): Delete it here.
26062         (__gthread_set_specific): Adjust installing the delete hook.
26063         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
26064         __gthread_leave_tsd_dtor_context.
26065
26066 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
26067
26068         * c-format.c (gcc_tdiag_char_table): Add support for %E.
26069
26070 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
26071
26072         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
26073         enum type.
26074         (alpha_rtx_costs): Ditto.
26075         (emit_unlikely_jump): Use add_reg_note.
26076         (emit_frame_store_1): Ditto.
26077         (alpha_expand_prologue): Ditto.
26078         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
26079         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
26080
26081 2009-04-23  Nick Clifton  <nickc@redhat.com>
26082
26083         * config/v850/v850.md (epilogue): Remove suppressed code.
26084         (return): Rename to return_simple and remove test of frame size.
26085         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
26086         to gen_return_simple.
26087
26088 2009-04-22  Jing Yu  <jingyu@google.com>
26089
26090         PR testsuite/39781
26091         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
26092
26093 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
26094
26095         PR C/31499
26096         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
26097         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
26098         value is a VECTOR_CST, the element type is the element type of the
26099         vector.
26100
26101 2009-04-22  DJ Delorie  <dj@redhat.com>
26102
26103         * config/m32c/m32c.h: Update GTY annotations to new syntax.
26104
26105 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
26106
26107         * alias.c (find_base_term): Move around LO_SUM case, so that
26108         CONST falls through into PLUS/MINUS handling.
26109
26110         PR c/39855
26111         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
26112         into 0, use omit_one_operand.
26113
26114 2009-04-23  Ben Elliston  <bje@au.ibm.com>
26115
26116         * config/rs6000/linux-unwind.h (get_regs): Remove type
26117         puns. Change the type of `pc' to an array of unsigned ints and
26118         update all users.  Constify frame24.
26119
26120 2009-04-22  DJ Delorie  <dj@redhat.com>
26121
26122         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
26123         declarations before code.
26124         (current_function_special_page_vector): Likewise.
26125         (m32c_expand_insv): Silence a warning.
26126
26127 2009-04-21  Taras Glek  <tglek@mozilla.com>
26128
26129         * alias.c: Update GTY annotations to new syntax.
26130         * basic-block.h: Likewise.
26131         * bitmap.h: Likewise.
26132         * c-common.h: Likewise.
26133         * c-decl.c: Likewise.
26134         * c-parser.c: Likewise.
26135         * c-pragma.c: Likewise.
26136         * c-tree.h: Likewise.
26137         * cfgloop.h: Likewise.
26138         * cgraph.h: Likewise.
26139         * config/alpha/alpha.c: Likewise.
26140         * config/arm/arm.h: Likewise.
26141         * config/avr/avr.h: Likewise.
26142         * config/bfin/bfin.c: Likewise.
26143         * config/cris/cris.c: Likewise.
26144         * config/darwin.c: Likewise.
26145         * config/frv/frv.c: Likewise.
26146         * config/i386/i386.c: Likewise.
26147         * config/i386/i386.h: Likewise.
26148         * config/i386/winnt.c: Likewise.
26149         * config/ia64/ia64.h: Likewise.
26150         * config/iq2000/iq2000.c: Likewise.
26151         * config/mips/mips.c: Likewise.
26152         * config/mmix/mmix.h: Likewise.
26153         * config/pa/pa.c: Likewise.
26154         * config/pa/pa.h: Likewise.
26155         * config/rs6000/rs6000.c: Likewise.
26156         * config/s390/s390.c: Likewise.
26157         * config/sparc/sparc.c: Likewise.
26158         * config/xtensa/xtensa.c: Likewise.
26159         * cselib.h: Likewise.
26160         * dbxout.c: Likewise.
26161         * dwarf2out.c: Likewise.
26162         * except.c: Likewise.
26163         * except.h: Likewise.
26164         * fixed-value.h: Likewise.
26165         * function.c: Likewise.
26166         * function.h: Likewise.
26167         * gimple.h: Likewise.
26168         * integrate.c: Likewise.
26169         * optabs.c: Likewise.
26170         * output.h: Likewise.
26171         * real.h: Likewise.
26172         * rtl.h: Likewise.
26173         * stringpool.c: Likewise.
26174         * tree-data-ref.c: Likewise.
26175         * tree-flow.h: Likewise.
26176         * tree-scalar-evolution.c: Likewise.
26177         * tree-ssa-address.c: Likewise.
26178         * tree-ssa-alias.h: Likewise.
26179         * tree-ssa-operands.h: Likewise.
26180         * tree.c: Likewise.
26181         * tree.h: Likewise.
26182         * varasm.c: Likewise.
26183         * varray.h: Likewise.
26184         * vec.h: Likewise.
26185         * coretypes.h: Do not define GTY macro if it is already defined.
26186         * doc/gty.texi: Update GTY documentation to new syntax.
26187         * gengtype-lex.l: Enforce attribute-like syntax for GTY
26188         annotations on structs.
26189         * gengtype-parse.c: Likewise.
26190
26191 2009-04-22  Mark Heffernan  <meheff@google.com>
26192
26193         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
26194
26195 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
26196
26197         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
26198         where appropriate.
26199
26200 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
26201
26202         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
26203         the same as a PLUS without a shift.  Increase the cost of a
26204         CONST_INT in MULT.
26205
26206 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26207
26208         * Makefile.in: Update dependencies.
26209         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
26210         * errors.h: Remove bogus comment about compatibility.
26211         (warning): Update declaration.
26212         * genautomata.c: Update all calls to warning.
26213         * gimple.c: Do not include errors.h. Include toplev.h.
26214         * tree-ssa-structalias.c: Do not include errors.h.
26215         * omega.c: Likewise.
26216         * tree-ssa-reassoc.c: Likewise.
26217         * config/spu/spu-c.c: Likewise.
26218         * config/spu/t-spu-elf: Update dependencies.
26219
26220 2009-04-22  Richard Guenther  <rguenther@suse.de>
26221
26222         PR tree-optimization/39824
26223         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
26224         make sure the types are compatible.
26225
26226 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26227
26228         PR c++/14875
26229         * c-common.c (c_parse_error): Take a token_flags parameter.
26230         Use token_type for the token type instead.
26231         Pass token_flags to cpp_type2name.
26232         * c-common.h (c_parse_error): Update declaration.
26233         * c-parser.c (c_parser_error): Pass 0 as token flags.
26234
26235 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
26236
26237         PR rtl-optimization/39580
26238         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.
26239
26240 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
26241
26242         * function.c (expand_function_end): Do not emit a jump to the "naked"
26243         return label for fall-through returns.
26244         * except.c (sjlj_emit_function_exit): Always place the call to the
26245         unregister function at the location installed by expand_function_end.
26246
26247 2009-04-22  Richard Guenther  <rguenther@suse.de>
26248
26249         PR tree-optimization/39845
26250         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
26251         (gen_inbound_check): Likewise.
26252
26253 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
26254
26255         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
26256         padding for PPC.
26257         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
26258         * config/vxlib.c (__gthread_once): Add race guard for PPC.
26259
26260 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
26261
26262         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
26263         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
26264         shift counts to avoid out-of-bounds array accesses.
26265
26266 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
26267
26268         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
26269         (Pmode): Move above.
26270
26271 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
26272
26273         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
26274         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
26275         GET_CODE macro.  Use IN_RANGE macro where appropriate.
26276         * config/alpha/alpha.h: Ditto.
26277         * config/alpha/alpha.md: Ditto.
26278         * config/alpha/constraints.md: Ditto.
26279         * config/alpha/predicates.md: Ditto.
26280
26281 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
26282
26283         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
26284         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26285         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26286         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26287         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26288         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26289         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26290         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26291         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26292         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26293         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26294         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26295         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26296         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26297         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26298         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26299         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26300         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26301         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26302         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26303         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26304         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26305         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26306         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26307         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26308         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26309         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26310
26311 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
26312
26313         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
26314         references from comments.
26315         * cfgbuild.c (count_basic_blocks): Delete.
26316         (find_basic_blocks_1): Delete.
26317         (find_basic_blocks): Delete.
26318         * except.c (finish_eh_generation): Make static.  Move comment from
26319         except.h here.  Remove find_basic_blocks references from comments.
26320         * except.h (finish_eh_generation): Delete.
26321         * basic-block.h (find_basic_blocks): Delete.
26322         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
26323
26324 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
26325
26326         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
26327         (sdbout_parms):  Likewise.
26328
26329 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
26330
26331         * config/sh/sh.c (prepare_cbranch_operands): Use
26332         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
26333         (expand_cbranchdi4): Likewise.
26334         (from_compare): Add cast to enum type.
26335         (expand_cbranchsi4): Use add_reg_note.
26336         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
26337         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
26338         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
26339         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
26340         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
26341         instead of CODE_FOR_nothing.
26342         (cbranchdi4): Likewise.  Fix the order of arguments for
26343         gen_rtx_fmt_ee.
26344         (push_fpscr): Use add_reg_note.
26345         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
26346         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
26347
26348 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
26349
26350         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
26351         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
26352         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
26353         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
26354         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
26355         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
26356         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
26357         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
26358         config/alpha/x-vms, config/arc/t-arc,
26359         config/arm/README-interworking, config/arm/arm-c.c,
26360         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
26361         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
26362         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
26363         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
26364         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
26365         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
26366         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
26367         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
26368         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
26369         config/cris/t-elfmulti, config/crx/t-crx,
26370         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
26371         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
26372         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
26373         config/h8300/t-h8300, config/i386/athlon.md,
26374         config/i386/darwin-libgcc.10.4.ver,
26375         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
26376         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
26377         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
26378         config/i386/t-linux64, config/i386/t-nwld,
26379         config/i386/t-rtems-i386, config/i386/t-sol2-10,
26380         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
26381         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
26382         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
26383         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
26384         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
26385         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
26386         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
26387         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
26388         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
26389         config/m68k/t-uclinux, config/mcore/t-mcore,
26390         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
26391         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
26392         config/mips/crtn.asm, config/mips/irix-crti.asm,
26393         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
26394         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
26395         config/mips/mips-fixed.md, config/mips/sb1.md,
26396         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
26397         config/mips/t-iris6, config/mips/t-isa3264,
26398         config/mips/t-libgcc-mips16, config/mips/t-linux64,
26399         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
26400         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
26401         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
26402         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
26403         config/mn10300/t-linux, config/mn10300/t-mn10300,
26404         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
26405         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
26406         config/picochip/libgccExtras/clzsi2.asm,
26407         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
26408         config/rs6000/darwin-libgcc.10.4.ver,
26409         config/rs6000/darwin-libgcc.10.5.ver,
26410         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
26411         config/rs6000/t-aix43, config/rs6000/t-aix52,
26412         config/rs6000/t-darwin, config/rs6000/t-fprules,
26413         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
26414         config/rs6000/t-lynx, config/rs6000/t-netbsd,
26415         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
26416         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
26417         config/rs6000/t-rtems, config/rs6000/t-spe,
26418         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
26419         config/score/t-score-elf, config/sh/divcost-analysis,
26420         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
26421         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
26422         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
26423         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
26424         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
26425         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
26426         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
26427         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
26428         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
26429         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
26430         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
26431         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
26432         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
26433         limitx.h, version.c, xcoff.h: Add copyright and license notices.
26434         * config/h8300/genmova.sh: Include copyright and license notices
26435         in generated output.
26436         * config/h8300/mova.md: Regenerate.
26437         * doc/install.texi2html: Include word "Copyright" in copyright
26438         notice and use name "Free Software Foundation, Inc.".
26439         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
26440         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
26441         ChangeLog-2007, ChangeLog-2008: Correct dates.
26442
26443 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
26444
26445         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
26446         NE_EXPR operations as well.
26447         * c-parser.c (c_parser_condition): Do not set location information on
26448         the condition.
26449         (c_parser_conditional_expression): Likewise.
26450         (c_parser_binary_expression): Set location information on operators.
26451         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
26452         TRUTH_NOT_EXPR has been folded.
26453         * fold-const.c (fold_truth_not_expr): Copy location information from
26454         the incoming expression to the outgoing one.
26455         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
26456         recursive calls on the LHS of the operator but pass that of the
26457         operator to recursive calls on the RHS of the operator.  Set it
26458         on the COND_EXPR.
26459         (shortcut_cond_expr): Set the locus of the operator on the second
26460         COND_EXPR and that of the expression on the first in degenerate cases.
26461         Pass the locus of the expression to calls to shortcut_cond_r.
26462         Set the locus of the 'then' block on the associated jump, if any.
26463         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
26464         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
26465         expression to call to gimplify_boolean_expr.
26466
26467 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
26468
26469         * config.gcc: Add additional configuration for
26470         i686-w64-mingw* and x86_64-w64-mingw* triplet.
26471         * config/i386/mingw-w64.h: New mingw-w64 specific header.
26472         (CPP_SPEC): Redefine for allowing -municode option.
26473         (STARTFILE_SPEC): Likewise.
26474         * config/i386/t-mingw-w64: New.
26475         * config/i386/mingw-w64.opt: New.
26476         (municode): Add new target option.
26477         * doc/invoke.texi (municode): Add documentation for new option.
26478
26479 2009-04-21  Ian Lance Taylor  <iant@google.com>
26480
26481         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
26482         Correct test for number of arguments.
26483         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
26484
26485 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
26486
26487         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
26488         argument of emit_library_call.
26489
26490 2009-04-21  Richard Guenther  <rguenther@suse.de>
26491
26492         PR middle-end/39829
26493         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
26494         inside VIEW_CONVERT_EXPRs.
26495
26496 2009-04-21  Martin Jambor  <mjambor@suse.cz>
26497
26498         * tree-switch-conversion.c (build_constructors): Split a long line.
26499         (constructor_contains_same_values_p): New function.
26500         (build_one_array): Create assigns of constants if possible, do not
26501         call mark_sym_for_renaming, call update_stmt.
26502         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
26503         make_rename_temp.  Do not call mark_symbols_for_renaming, call
26504         update_stmt.
26505         (gen_def_assigns): Do not call mark_symbols_for_renaming or
26506         find_new_referenced_vars, call update_stmt.
26507         (gen_inbound_check): Use create_tmp_var and create ssa names manually
26508         instead of calling make_rename_temp.  Do not call
26509         find_new_referenced_vars or mark_symbols_for_renaming, call
26510         update_stmt.
26511
26512 2009-04-21  Richard Guenther  <rguenther@suse.de>
26513
26514         PR tree-optimization/39827
26515         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
26516         (tree_ssa_phiprop): Pass the correct array size.
26517
26518 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
26519
26520         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
26521
26522 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
26523
26524         PR 16202
26525         * c-typeck.c (lvalue_p): Move declaration ...
26526         * c-common.h (lvalue_p): ... to here.
26527         * c-common.c (candidate_equal_p): New.
26528         (add_tlist): Use it.
26529         (merge_tlist): Use it.
26530         (warn_for_collisions_1): Likewise.
26531         (warning_candidate_p): Accept more candidates.
26532         (verify_tree): A warning candidate can be an expression. Use
26533         candidate_equal_p.
26534
26535 2009-04-21  Ben Elliston  <bje@au.ibm.com>
26536
26537         PR target/5267
26538         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
26539         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
26540         options.  Remove -mcall-solaris documentation.
26541
26542 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26543
26544         PR c++/13358
26545         * doc/invoke.texi (-Wlong-long): Update description.
26546         * c-lex (interpret_integer): Only warn if there was no previous
26547         overflow and -Wlong-long is enabled.
26548         * c-decl.c (declspecs_add_type): Drop redundant flags.
26549         * c.opt (Wlong-long): Init to -1.
26550         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
26551         and front-end warn_long_long. Wlong-long only depends on other
26552         flags if it is uninitialized.
26553         * c-parser.c (disable_extension_diagnostics): warn_long_long is
26554         the same for CPP and FE.
26555         (restore_extension_diagnostics): Likewise.
26556
26557 2009-04-20  Ian Lance Taylor  <iant@google.com>
26558
26559         Fix enum conversions which are invalid in C++:
26560         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
26561         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
26562         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
26563         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
26564         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
26565         (dbxout_parms): Likewise.
26566         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
26567         (df_clear_flags): Likewise.
26568         * df-problems.c (df_rd_bb_local_compute_process_def): Change
26569         top_flag parameter to int.
26570         (df_chain_create_bb_process_use): Likewise.
26571         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
26572         Remove cast.
26573         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
26574         (df_ref_create_structure, df_def_record_1): Likewise.
26575         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
26576         (df_notes_rescan): Change 0 to VOIDmode in function call.
26577         (df_get_call_refs, df_insn_refs_collect): Likewise.
26578         (df_bb_regs_collect): Likewise.
26579         (df_entry_block_defs_collect): Likewise.
26580         (df_exit_block_uses_collect): Likewise.
26581         * df.h: Update declarations.
26582         * double-int.c (double_int_divmod): Add cast to enum type.
26583         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
26584         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
26585         (based_loc_descr): Likewise.
26586         (loc_descriptor_from_tree_1): Change first_op and second_op to
26587         enum dwarf_location_atom.  Add cast to enum type.
26588         * expmed.c (init_expmed): Change 0 to SET in function call.
26589         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
26590         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
26591         (do_store_flag): Likewise.
26592         * fixed-value.h (struct fixed_value): Change mode to enum
26593         machine_mode.
26594         * function.c (assign_parms): Change 0 to VOIDmode in function call.
26595         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
26596         function call.
26597         (insert_insn_decl, insert_decl, insert_state): Likewise.
26598         (automata_list_finish): Likewise.
26599         * genrecog.c (process_define_predicate): Add cast to enum type.
26600         * gensupport.c (init_predicate_table): Add cast to enum type.
26601         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
26602         function call.
26603         (gimple_build_call_1, gimple_build_label): Likewise.
26604         (gimple_build_goto, gimple_build_asm_1): Likewise.
26605         (gimple_build_switch_1, gimple_build_cdt): Likewise.
26606         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
26607         (enum fallback): Rename from enum fallback_t.
26608         (fallback_t): Typedef as int.
26609         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
26610         GSI_SAME_STMT in function call.
26611         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
26612         enum type.
26613         (setup_reg_class_relations): Likewise.
26614         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
26615         (setup_prohibited_class_mode_regs): Add cast to enum type.
26616         (setup_prohibited_mode_move_regs): Likewise.
26617         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
26618         (record_address_regs): Change i to enum reg_class.
26619         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
26620         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
26621         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
26622         (GET_MODE_2XWIDER_MODE): Likewise.
26623         (GET_CLASS_NARROWEST_MODE): Likewise.
26624         * omp-low.c (expand_omp_for): Add cast to enum type.
26625         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
26626         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
26627         * postreload.c (reload_cse_simplify_operands): Change rclass local
26628         to enum reg_class.
26629         * predict.c (combine_predictions_for_insn): Change best_predictor
26630         and predictor to enum br_predictor.
26631         (combine_predictions_for_bb): Likewise.
26632         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
26633         use SET_PREDICT_EXPR_OUTCOME.
26634         * real.c (real_arithmetic): Change icode to code in function call.
26635         * reginfo.c (init_move_cost): Add casts to enum type.
26636         (init_reg_sets_1, init_fake_stack_mems): Likewise.
26637         * regmove.c (regclass_compatible_p): Change class0 and class1 to
26638         enum reg_class.
26639         * reload.c (find_valid_class): Add casts to enum type.
26640         (push_reload): Change 0 to NO_REGS in function call.
26641         (find_reloads): Change this_alternative to array of enum
26642         reg_class.  Remove some now-unnecessary casts.
26643         (make_memloc): Change 0 to VOIDmode in function call.
26644         * reload1.c (reload): Change 0 to VOIDmode in function call.
26645         (eliminate_regs_1, elimination_effects): Likewise.
26646         (eliminate_regs_in_insn): Likewise.
26647         (emit_input_reload_insns): Add cast to enum type.
26648         (delete_output_reload): Change 0 to VOIDmode in function call.
26649         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
26650         to enum type in function call.
26651         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
26652         (SET_PREDICT_EXPR_OUTCOME): Define.
26653         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
26654         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
26655         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
26656         (dump_function): Likewise.
26657         * tree-dump.h: Update declarations.
26658         * tree-pass.h: Update declarations.
26659         * varasm.c (assemble_integer): Change mclass to enum mode_class.
26660         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
26661         enum type.
26662         (arm_rtx_costs_1): Correct parenthesization.
26663         (arm_rtx_costs): Add casts to enum type.
26664         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
26665         (vfp_emit_fstmd): Use add_rg_note.
26666         (emit_multi_reg_push, emit_sfm): Likewise.
26667         (thumb_set_frame_pointer): Likewise.
26668         (arm_expand_prologue): Likewise.
26669         (arm_regno_class): Change return type to enum reg_class.
26670         (thumb1_expand_prologue): Use add_reg_note.
26671         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
26672         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
26673         in function call.
26674         * config/arm/gentune.sh: Add cast to enum type.
26675         * config/arm/arm-tune.md: Rebuild.
26676         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
26677         (ix86_split_fp_branch, predict_jump): Likewise.
26678         (ix86_expand_multi_arg_builtin): Change sub_code from enum
26679         insn_code to enum rtx_code.
26680         (ix86_builtin_vectorized_function): Add cast to enum type.
26681         * config/i386/i386.md (truncdfsf2): Change slot to enum
26682         ix86_stack_slot.
26683         (truncxf<mode>2, isinf<mode>2): Likewise.
26684         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
26685         enum type.
26686         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
26687         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
26688         (insert_bundle_state): Change 1 to INSERT in function call.
26689         (ia64_add_bundle_selector_before): Likewise.
26690         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
26691         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
26692         (restore_stack_nonlocal): Likewise.
26693         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
26694         function call.
26695         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
26696         function call.
26697         (mips_rtx_costs): Likewise.
26698         (mips_override_options): Add casts to enum type.
26699         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
26700         in function call.
26701         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
26702         (store_reg, set_reg_plus_d): Likewise.
26703         (hppa_expand_prologue, hppa_profile_hook): Likewise.
26704         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
26705         cast to enum type.
26706         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
26707         function call.
26708         (emit_unlikely_jump): Use add_reg_note.
26709         (rs6000_emit_allocate_stack): Likewise.
26710         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
26711         (output_toc): Change 1 to INSERT in function call.
26712         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
26713         (rs6000_initialize_trampoline): Likewise.
26714         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
26715         function call.
26716         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
26717         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
26718         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
26719         (save_gprs): Use add_reg_note.
26720         (s390_emit_prologue): Likewise.
26721         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
26722         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
26723         (sparc_fold_builtin): Add cast to enum type.
26724         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
26725         enum insn_code.
26726         (spu_expand_prologue): Use add_reg_note.
26727         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
26728
26729 2009-04-20  Ian Lance Taylor  <iant@google.com>
26730
26731         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
26732         (c_parser_postfix_expression_after_primary): Get VEC for list of
26733         arguments.  Get original types of arguments.  Call
26734         build_function_call_vec.
26735         (cached_expr_list_1, cached_expr_list_2): New static variables.
26736         (c_parser_expr_list): Change return type to VEC *.  Add
26737         p_orig_types parameter.  Change all callers.
26738         (c_parser_release_expr): New static function.
26739         (c_parser_vec_to_tree_list): New static function.
26740         * c-typeck.c (build_function_call): Rewrite to build a VEC and
26741         call build_function_call_vec.
26742         (build_function_call_vec): New function, based on old
26743         build_function_call.
26744         (convert_arguments): Remove nargs and argarray parameters.  Change
26745         values to a VEC.  Add origtypes parameter.
26746         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
26747         (convert_for_assignment): Add origtype parameter.  Change all
26748         callers.  If warn_cxx_compat, check for conversion to an enum
26749         type when calling a function.
26750         (store_init_value): Add origtype parameter.  Change all callers.
26751         (digest_init): Likewise.
26752         (struct init_node): Add origtype field.
26753         (add_pending_init): Add origtype parameter.  Change all callers.
26754         (output_init_element): Likewise.
26755         (output_pending_init_elements): Pass origtype from init_node to
26756         output_init_element.
26757         (process_init_element): Pass origtype from c_expr to
26758         output_init_element.
26759         (c_finish_return): Add origtype parameter.  Change all callers.
26760         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
26761         caller.
26762         (sync_resolve_params): Likewise.
26763         (sync_resolve_return): Change params to first_param.  Change caller.
26764         (resolve_overloaded_builtins): Change params to VEC *.  Change
26765         callers.  Save first parameter around call to build_function_call_vec.
26766         * c-decl.c (finish_decl): Add origtype parameter.  Change all
26767         callers.  Call build_function_call_vec rather than
26768         build_function_call for cleanup.
26769         * c-tree.h: Update declarations.
26770         * c-common.h: Update declarations.
26771         * stub-objc.c (objc_rewrite_function_call): Change parameter from
26772         params to first_param.
26773         * target.h (struct gcc_target): Change resolve_overloaded_builtin
26774         params parameter from tree to void *.
26775         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
26776         Change arglist parameter to have type void *, and to be a pointer
26777         to a VEC.
26778         * config/rs6000/rs6000-protos.h
26779         (altivec_resolve_overloaded_builtin): Update declaration.
26780         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
26781         fnargs parameter to have type void *, and to be a pointer to a
26782         VEC.  Call build_function_call_vec instead of
26783         build_function_call.
26784         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
26785
26786 2009-04-20  Joey Ye  <joey.ye@intel.com>
26787             Xuepeng Guo  <xuepeng.guo@intel.com>
26788             H.J. Lu  <hongjiu.lu@intel.com>
26789
26790         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
26791
26792         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
26793         (IX86_LEA_PRIORITY): Likewise.
26794         (distance_non_agu_define): New function.
26795         (distance_agu_use): Likewise.
26796         (ix86_lea_for_add_ok): Likewise.
26797         (ix86_dep_by_shift_count): Likewise.
26798
26799         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
26800         should split for LEA.
26801
26802         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
26803         function.
26804         (ix86_dep_by_shift_count): Likewise.
26805
26806 2009-04-20  Richard Guenther  <rguenther@suse.de>
26807
26808         * expr.c (handled_component_p): Move ...
26809         * tree.h (handled_component_p): ... here.
26810         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
26811         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
26812         and REALPART_EXPR to be in one group.
26813
26814 2009-04-20  Richard Guenther  <rguenther@suse.de>
26815
26816         * basic-block.h (get_all_dominated_blocks): Declare.
26817         * dominance.c (get_all_dominated_blocks): New function.
26818         * tree-cfg.c (get_all_dominated_blocks): Remove.
26819         (remove_edge_and_dominated_blocks): Adjust.
26820         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
26821         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
26822         instead of recursing.
26823
26824 2009-04-20  Doug Kwan  <dougkwan@google.com>
26825
26826         * cgraph.h (cgraph_node_ptr): New type for vector functions.
26827         (struct cgraph_node_set_def): New type.
26828         (cgraph_node_set) New type. Also declare vector functions.
26829         (struct cgraph_node_set_element_def): New type.
26830         (cgraph_node_set_element): Ditto.
26831         (cgraph_node_set_iterator): New iterator type.
26832         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
26833         cgraph_node_set_remove, dump_cgraph_node_set,
26834         debug_cgraph_node_set): New prototypes.
26835         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
26836         cgraph_node_set_size): New inlines.
26837         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
26838         including cgraph.h.
26839         (struct ipa_opt_pass): Add struct cgraph_node_set_def
26840         argument to function 'write_summary'.
26841         * ipa.c: Include ggc.h.
26842         (hash_cgraph_node_set_element,
26843         eq_cgraph_node_set_element, cgraph_node_set_new,
26844         cgraph_node_set_add, cgraph_node_set_remove,
26845         cgraph_node_set_find, dump_cgraph_node_set,
26846         debug_cgraph_node_set): New functions.
26847         * Makefile.in (ipa.o): Add dependency on GGC_H.
26848
26849 2009-04-20  Ira Rosen  <irar@il.ibm.com>
26850
26851         PR tree-optimization/39675
26852         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
26853         check of the return code of vect_schedule_slp. Check that
26854         stmt_vec_info still exists for the statement, before checking its
26855         vectorization type.
26856
26857 2009-04-20  Michael Matz  <matz@suse.de>
26858
26859         * Makefile.in (generated_files): Take out $(simple_generated_c).
26860
26861 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
26862
26863         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
26864         (UINTPTR_TYPE):  Likewise.
26865
26866 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
26867
26868         PR c/37481
26869         * c-typeck.c (digest_init): Check for initializing an array with a
26870         string literal.
26871
26872 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
26873
26874         PR c/19771
26875         * c-semantics.c (pop_stmt_list): Propagate
26876         STATEMENT_LIST_HAS_LABEL to parent statement list.
26877
26878 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
26879
26880         * config/mips/mips.h (mips_tune_attr): New macro.
26881         * config/mips/mips.md (cpu): Use it.
26882
26883 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
26884
26885         PR c/38243
26886         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
26887         declaring a tag.
26888
26889 2009-04-19  Diego Novillo  <dnovillo@google.com>
26890
26891         * toplev.c (compile_file): Move call to coverage_finish ...
26892         * cgraphunit.c (ipa_passes): ... here.
26893         Call cgraph_process_new_functions.
26894         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
26895         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
26896
26897 2009-04-19  Jan Hubicka  <jh@suse.cz>
26898
26899         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
26900         cfun.
26901         (dump_cgraph_node): Dump can throw external flag.
26902         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
26903
26904 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
26905
26906         PR c/32061
26907         PR c++/36954
26908         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
26909         * common.opt (Wlogical-op): Move from here...
26910         * c.opt (Wlogical-op): ... to here.
26911         * c-typeck.c (parser_build_binary_op): Update call to
26912         warn_logical_operator.
26913         * c-opts.c (c_common_post_options): Enable warn_logical_op with
26914         extra_warnings.
26915         * c-common.c (warn_logical_op): Update.
26916         * c-common.h (warn_logical_op): Update declaration.
26917
26918 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
26919
26920         * tree.c (protected_set_expr_location): Fix formatting.
26921
26922 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
26923
26924         PR c/27676
26925         * c-typeck.c (readonly_warning): new.
26926         (build_unary_op, build_modify_expr): Use readonly_warning for
26927         storing into something readonly but not const-qualified.
26928
26929 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
26930
26931         PR c/22367
26932         * c-typeck.c (build_unary_op): Check for taking address of
26933         expression of type void.
26934
26935 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
26936
26937         PR c/35210
26938         * c-typeck.c (build_function_call): Check for calling a function
26939         with qualified void return types.  Call require_complete_type when
26940         generating a trap.
26941
26942 2009-04-18  Jan Hubicka  <jh@suse.cz>
26943
26944         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
26945         Set nothrow flag.
26946         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
26947         can_throw_external flag.
26948         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
26949         * ipa-pure-const.c (ignore_edge): New function.
26950         (propagate): Compute order for NOTHROW computation; set NOTHROWs
26951         only over can_throw_external edges.
26952         (local_pure_const): Add nothrow flag.
26953         * ipa-utils.c (searchc): Add ignore_edge callback.
26954         (ipa_utils_reduced_inorder): Add ignore_edge callback.
26955         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
26956         (set_nothrow_function_flags): Update cgraph.
26957         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
26958
26959 2009-04-18  Richard Guenther  <rguenther@suse.de>
26960
26961         PR middle-end/39804
26962         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
26963         (fold_stmt): ... this and ...
26964         (fold_stmt_inplace): ... this.
26965         (fold_stmt_1): Fold references in calls and asms.
26966         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
26967
26968 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
26969
26970         * tree-vrp.c (ssa_name_nonzero_p): Remove.
26971         * tree.h: Remove the prototype for ssa_name_nonzero_p.
26972
26973 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
26974
26975         * tree.c (function_args_count): Remove.
26976         * tree.h: Remove the prototype for function_args_count.
26977
26978 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
26979
26980         * tree-iterator.c (expr_only): Remove.
26981         * tree.h: Remove the prototype for expr_only.
26982
26983 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
26984
26985         * reginfo.c (cannot_change_mode_set_regs): Remove.
26986         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
26987
26988 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
26989
26990         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
26991         whether operands 0 and 1 overlaps.
26992
26993 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
26994
26995         PR middle-end/36902
26996         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
26997         pointer. Use warning_at instead of warning.
26998         (search_for_addr_array): Likewise.
26999         (check_array_bounds): Likewise.
27000         (check_all_array_refs): Check that the incoming edge is not in the
27001         list of edges to be removed.
27002         (check_all_array_refs): Avoid the temporal pointer.
27003         (vrp_visit_cond_stmt): Fix typo.
27004         (simplify_switch_using_ranges): Handle the case where the switch
27005         index is an integer constant.
27006
27007 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
27008
27009         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
27010
27011 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
27012
27013         * doc/extend.texi, doc/invoke.texi: Fix typos.
27014
27015 2009-04-17  Cary Coutant  <ccoutant@google.com>
27016
27017         * tree-flow-inline.h (get_lineno): Fix inverted test.
27018
27019 2009-04-17  Diego Novillo  <dnovillo@google.com>
27020
27021         * tree-ssa-pre.c (create_expression_by_pieces): Remove
27022         assertion for AVAIL_OUT.
27023
27024 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
27025
27026         PR target/38627
27027         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
27028         * config/sh/linux-atomic.asm: Likewise.
27029
27030 2009-04-17  Diego Novillo  <dnovillo@google.com>
27031
27032         * except.c (debug_eh_tree): New.
27033         (struct eh_region, struct eh_status): Move ...
27034         * except.h: ... here.
27035         (add_type_for_runtime): Declare extern.
27036         (lookup_type_for_runtime): Likewise.
27037         (debug_eh_tree): Declare.
27038         * Makefile.in (GTFILES): List except.h before except.c
27039
27040 2009-04-17  Diego Novillo  <dnovillo@google.com>
27041
27042         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
27043         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
27044         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
27045         (find_vars_r): ... here.
27046         * tree-flow.h (find_referenced_vars_in): Declare.
27047         * tree-ssa-pre.c (create_expression_by_pieces): Assert
27048         that AVAIL_OUT exists for BLOCK.
27049         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
27050         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
27051         (tree-parloops.o): Likewise.
27052
27053 2009-04-17  Simon Baldwin  <simonb@google.com>
27054
27055         * toplev.c (default_tree_printer): Add handling for %E format.
27056
27057 2009-04-17  Diego Novillo  <dnovillo@google.com>
27058
27059         * tree-pretty-print.c (dump_generic_node): Add break after
27060         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
27061         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
27062         FUNCTION_TYPE together.  Call print_struct_decl when printing
27063         structures and TDF_SLIM is not given.
27064         (print_struct_decl): Fix logic for detecting recursion.
27065
27066 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
27067
27068         PR 31567
27069         * gcc.c (create_at_file): New.
27070         (compile_input_file_p): New.
27071         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
27072         * main.c (main): Update call to toplev_main.
27073         * toplev.c (toplev_main): Change signature. Call expandargv.
27074         * toplev.h (toplev_main): Change signature.
27075
27076 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
27077
27078         * dwarf2out.c (field_byte_offset): Use the type size as the field size
27079         if the latter is not constant.
27080
27081 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
27082
27083         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
27084
27085 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
27086
27087         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
27088         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
27089
27090 2009-04-17  Richard Guenther  <rguenther@suse.de>
27091
27092         * tree-ssa-structalias.c (get_constraint_for_component_ref):
27093         Handle component references view-converting an invariant address.
27094
27095 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
27096
27097         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
27098         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
27099         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
27100         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
27101         Use @deftypevr rather than @deftypevar.
27102
27103 2009-04-17  Richard Guenther  <rguenther@suse.de>
27104
27105         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
27106         (get_prop_source_stmt): Likewise.
27107         (can_propagate_from): Likewise.
27108
27109 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
27110
27111         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
27112         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
27113         (--with-multilib-list): Add default value.
27114         * configure: Regenerate.
27115         * Makefile.in (TM_ENDIAN_CONFIG): Define.
27116         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
27117         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
27118         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
27119         Don't add default cpu to multilib list unnecessarily, but do enable
27120         the relevant compiler option..
27121         Add support for --with-multilib-list=<blank> and
27122         --with-multilib-list=!<somelib> to supress unwanted multilibs.
27123         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
27124         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
27125         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
27126         TM_MULTILIB_CONFIG.
27127         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
27128         (MULTILIB_OSDIRNAMES): New variable.
27129         * config/sh/t-1e: Delete file.
27130         * config/sh/t-mlib-sh1: Delete file.
27131         * config/sh/t-mlib-sh2: Delete file.
27132         * config/sh/t-mlib-sh2a: Delete file.
27133         * config/sh/t-mlib-sh2a-nofpu: Delete file.
27134         * config/sh/t-mlib-sh2a-single: Delete file.
27135         * config/sh/t-mlib-sh2a-single-only: Delete file.
27136         * config/sh/t-mlib-sh2e: Delete file.
27137         * config/sh/t-mlib-sh3e: Delete file.
27138         * config/sh/t-mlib-sh4: Delete file.
27139         * config/sh/t-mlib-sh4-nofpu: Delete file.
27140         * config/sh/t-mlib-sh4-single: Delete file.
27141         * config/sh/t-mlib-sh4-single-only: Delete file.
27142         * config/sh/t-mlib-sh4a: Delete file.
27143         * config/sh/t-mlib-sh4a-nofpu: Delete file.
27144         * config/sh/t-mlib-sh4a-single: Delete file.
27145         * config/sh/t-mlib-sh4a-single-only: Delete file.
27146         * config/sh/t-mlib-sh4al: Delete file.
27147         * config/sh/t-mlib-sh5-32media: Delete file.
27148         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
27149         * config/sh/t-mlib-sh5-64media: Delete file.
27150         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
27151         * config/sh/t-mlib-sh5-compact: Delete file.
27152         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
27153         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
27154         * doc/install.texi (Options specification): Add
27155         --with-multilib-list and --with-endian.
27156
27157 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
27158
27159         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
27160         REVISION_c.
27161         (OBJS-common): Add plugin-version.o.
27162         (plugin-version.o): New.
27163         * gcc-plugin.h (plugin_gcc_version): New.
27164         (plugin_default_version_check): New.
27165         (plugin_init_func, plugin_init): Add version argument.
27166         * plugin-version.c: New.
27167         * plugin.c (str_plugin_gcc_version_name): New.
27168         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
27169         pass it to the init function.
27170         (plugin_default_version_check): New.
27171
27172 2009-04-17  Richard Guenther  <rguenther@suse.de>
27173
27174         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
27175         for decl-vs-decl disambiguation.
27176
27177 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
27178
27179         * config/s390/s390.h (s390_tune_attr): New macro definition.
27180         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
27181
27182 2009-04-17  Richard Guenther  <rguenther@suse.de>
27183
27184         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
27185         (fold_stmt_r): Likewise.
27186         (maybe_fold_reference): New function.
27187         (fold_gimple_assign): Handle cases fold_stmt_r did.
27188         (fold_stmt): Do not use fold_stmt_r.
27189         (fold_stmt_inplace): Likewise.
27190
27191 2009-04-17  Richard Guenther  <rguenther@suse.de>
27192
27193         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
27194         (record_equivalences_from_stmt): Remove useless checks and
27195         simplifications.
27196         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
27197         the type is already suitable.
27198
27199 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
27200
27201         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
27202
27203 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
27204
27205         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
27206         (CMPtype): Define as __gcc_CMPtype.
27207
27208 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
27209
27210         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
27211         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
27212
27213 2009-04-17  Richard Guenther  <rguenther@suse.de>
27214
27215         PR tree-optimization/39746
27216         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
27217         special-casing for builtins and static variable use/def.
27218         (call_may_clobber_ref_p_1): Likewise.
27219
27220 2009-04-16  Ian Lance Taylor  <iant@google.com>
27221
27222         * df.h: Include "timevar.h".
27223         (struct df_problem): Change tv_id field to timevar_id_t.
27224         * tree-pass.h: Include "timevar.h".
27225         (struct opt_pass): Change tv_id field to timevar_id_t.
27226         * timevar.h (timevar_id_t): Define TV_NONE.
27227         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
27228         TV_NONE rather than tv_id != 0.
27229         (execute_one_pass): Likewise.
27230         * Makefile.in (DF_H): Add $(TIMEVAR_H).
27231         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
27232         dependencies to $(TREE_PASS_H).
27233         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
27234         to TV_NONE.
27235         (pass_branch_target_load_optimize2): Likewise.
27236         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
27237         (pass_outof_cfg_layout_mode): Likewise.
27238         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
27239         (pass_rebuild_cgraph_edges): Likewise.
27240         (pass_remove_cgraph_callee_edges): Likewise.
27241         * df-core.c (pass_df_initialize_opt): Likewise.
27242         (pass_df_initialize_no_opt): Likewise.
27243         (pass_df_finish): Likewise.
27244         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
27245         * except.c (pass_set_nothrow_function_flags): Likewise.
27246         (pass_convert_to_eh_region_ranges): Likewise.
27247         * final.c (pass_compute_alignments): Likewise.
27248         * function.c (pass_instantiate_virtual_regs): Likewise.
27249         (pass_init_function): Likewise.
27250         (pass_leaf_regs): Likewise.
27251         (pass_match_asm_constraints): Likewise.
27252         * gimple-low.c (pass_lower_cf): Likewise.
27253         (pass_mark_used_blocks): Likewise.
27254         * init-regs.c (pass_initialize_regs): Likewise.
27255         * integrate.c (pass_initial_value_sets): Likewise.
27256         * ira.c (pass_ira): Likewise.
27257         * jump.c (pass_cleanup_barriers): Likewise.
27258         * omp-low.c (pass_expand_omp): Likewise.
27259         (pass_lower_omp): Likewise.
27260         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
27261         * recog.c (pass_split_all_insns): Likewise.
27262         (pass_split_after_reload): Likewise.
27263         (pass_split_before_regstack): Likewise.
27264         (pass_split_before_sched2): Likewise.
27265         (pass_split_for_shorten_branches): Likewise.
27266         * reginfo.c (pass_reginfo_init): Likewise.
27267         (pass_subregs_of_mode_init): Likewise.
27268         (pass_subregs_of_mode_finish): Likewise.
27269         * passes.c (pass_postreload): Likewise.
27270         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
27271         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
27272         (pass_warn_function_return): Likewise.
27273         (pass_warn_function_noreturn): Likewise.
27274         * tree-complex.c (pass_lower_complex): Likewise.
27275         (pass_lower_complex_O0): Likewise.
27276         * tree-if-conv.c (pass_if_conversion): Likewise.
27277         * tree-into-ssa.c (pass_build_ssa): Likewise.
27278         * tree-mudflap.c (pass_mudflap_1): Likewise.
27279         (pass_mudflap_2): Likewise.
27280         * tree-nomudflap.c (pass_mudflap_1): Likewise.
27281         (pass_mudflap_2): Likewise.
27282         * tree-nrv.c (pass_return_slot): Likewise.
27283         * tree-object-size.c (pass_object_sizes): Likewise.
27284         * tree-optimize.c (pass_all_optimizations): Likewise.
27285         (pass_early_local_passes): Likewise.
27286         (pass_all_early_optimizations): Likewise.
27287         (pass_cleanup_cfg): Likewise.
27288         (pass_cleanup_cfg_post_optimizing): Likewise.
27289         (pass_free_datastructures): Likewise.
27290         (pass_free_cfg_annotations): Likewise.
27291         (pass_fixup_cfg): Likewise.
27292         (pass_init_datastructures): Likewise.
27293         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
27294         (pass_late_warn_uninitialized): Likewise.
27295         (pass_update_address_taken): Likewise.
27296         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
27297         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
27298         (pass_cse_sincos): Likewise.
27299         (pass_convert_to_rsqrt): Likewise.
27300         * tree-ssa-structalias.c (pass_build_alias): Likewise.
27301         * tree-stdarg.c (pass_stdarg): Likewise.
27302         * tree-tailcall.c (pass_tail_recursion): Likewise.
27303         (pass_tail_calls): Likewise.
27304         * tree-vect-generic.c (pass_lower_vector): Likewise.
27305         (pass_lower_vector_ssa): Likewise.
27306         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
27307
27308 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
27309
27310         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
27311         XLR entry.
27312         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
27313         Handle -march=xlr.
27314         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
27315         logical and signext.
27316
27317 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
27318
27319         PR target/39767
27320         * config/sh/predicates.md (arith_operand): Check if the operand
27321         of TRUNCATE is a REG.
27322
27323 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
27324
27325         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
27326         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
27327
27328 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
27329
27330         * tree-iterator.c (tsi_split_statement_list_after,
27331         tsi_split_statement_list_before): Remove.
27332         * tree-iterator.h: Remove the prototypes for
27333         tsi_split_statement_list_after and tsi_split_statement_list_before.
27334
27335 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
27336
27337         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
27338         * tree-ssa-propagate.h: Remove the prototype for
27339         stmt_makes_single_load.
27340
27341 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
27342
27343         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
27344         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
27345
27346 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
27347
27348         * tree-iterator.c (EXPR_LAST_BODY): Remove.
27349
27350 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
27351
27352         * except.c (eh_region_outer_p): Remove.
27353         * except.h: Remove the prototype for eh_region_outer_p.
27354
27355 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
27356
27357         * function.c (current_function_assembler_name): Remove.
27358         * function.h: Remove the prototype for
27359         current_function_assembler_name.
27360
27361 2009-04-16  Ian Lance Taylor  <iant@google.com>
27362
27363         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
27364         (add_reg_note): Call alloc_reg_note.
27365         * rtl.h (alloc_reg_note): Declare.
27366         * combine.c (try_combine): Use alloc_reg_note.
27367         (recog_for_combine, move_deaths): Likewise.
27368         (distribute_notes): Use alloc_reg_note and add_reg_note.
27369         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
27370         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
27371         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
27372
27373 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
27374
27375         PR rtl-optimization/39762
27376         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
27377         ira_may_move_out_cost): Add comments about way of their usage.
27378         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
27379
27380         * ira-conflicts.c (process_regs_for_copy): Use function
27381         ira_get_register_move_cost instead of global
27382         ira_register_move_cost.
27383
27384         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
27385         color_pass, move_spill_restore, update_curr_costs): Ditto.
27386
27387         * ira-lives.c (process_single_reg_class_operands): Ditto.
27388
27389         * ira-emit.c (emit_move_list): Ditto.
27390
27391         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
27392         (record_reg_classes): Ditto.  Use functions
27393         ira_get_register_move_cost and ira_get_may_move_cost instead of
27394         global vars ira_register_move_cost, ira_may_move_out_cost and
27395         ira_may_move_in_cost.
27396         (record_address_regs): Don't call ira_init_register_move_cost.
27397         Use function ira_get_may_move_cost instead of global
27398         ira_may_move_in_cost.
27399         (process_bb_node_for_hard_reg_moves): Use function
27400         ira_get_register_move_cost instead of global ira_register_move_cost.
27401         (ira_costs): Don't call ira_init_register_move_cost.
27402
27403 2009-04-16  Richard Guenther  <rguenther@suse.de>
27404
27405         * tree-cfg.c (verify_gimple_assign_binary):
27406         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
27407         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
27408         (create_general_new_stmt): Note that this function is broken.
27409
27410 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
27411
27412         * common.opt (fhelp): Add Var(help_flag).
27413         * gcc-plugin.h (plugin_info): Add help.
27414         * plugin.c (plugin_name_args): Add help.
27415         (register_plugin_info): Set plugin->help.
27416         (print_help_one_plugin): New.
27417         (print_plugins_help): New.
27418         * plugin.h (print_plugins_help): New.
27419         * toplev.c (toplev_main): Call print_plugins_help if needed.
27420
27421 2009-04-16  Richard Guenther  <rguenther@suse.de>
27422
27423         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
27424         (gimple_ior_addresses_taken_1): New function.
27425         (gimple_ior_addresses_taken): Likewise.
27426         * gimple.h (struct gimple_statement_with_ops_base): Remove
27427         addresses_taken member.
27428         (gimple_ior_addresses_taken): Declare.
27429         (gimple_addresses_taken, gimple_addresses_taken_ptr,
27430         gimple_set_addresses_taken): Remove.
27431         * ipa-reference.c (mark_address): New function.
27432         (scan_stmt_for_static_refs): Use it for marking addresses taken.
27433         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
27434         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
27435         (gimple_add_to_addresses_taken): Remove.
27436         (get_tmr_operands): Call mark_address_taken.
27437         (get_asm_expr_operands): Likewise.
27438         (get_expr_operands): Likewise.
27439         (build_ssa_operands): Do not clear the addresses_taken bitmap.
27440         (free_stmt_operands): Do not free it.
27441         * tree-ssa.c (delete_tree_ssa): Likewise.
27442         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
27443
27444 2009-04-16  Richard Guenther  <rguenther@suse.de>
27445
27446         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
27447         (walk_stmt_load_store_ops): Likewise.
27448         * gimple.c (get_base_loadstore): New function.
27449         (walk_stmt_load_store_addr_ops): Likewise.
27450         (walk_stmt_load_store_ops): Likewise.
27451         * ipa-pure-const.c (check_op): Simplify.
27452         (check_load, check_store): New functions.
27453         (check_stmt): Use walk_stmt_load_store_ops.
27454         * ipa-reference.c (mark_load): Adjust signature.
27455         (mark_store): Likewise.
27456         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
27457
27458 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
27459
27460         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
27461         (plugin_info): New.
27462         * opts.c (common_handle_option): Don't call print_version.
27463         * plugin.c (plugin_name_args): Add version.
27464         (register_plugin_info): New.
27465         (register_callback): Handle PLUGIN_INFO.
27466         (try_init_one_plugin): New.
27467         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
27468         if failed to init.
27469         (finalize_one_plugin): New.
27470         (finalize_plugins): New.
27471         (print_one_plugin): New.
27472         (print_plugins_versions): New.
27473         * plugin.h (print_plugins_versions): New.
27474         (finalize_plugins): New.
27475         * toplev.c (compile_file): Don't call initialize_plugins.
27476         (print_version): Call print_plugins_versions.
27477         (toplev_main): Call initialize_plugins. Print version if needed.
27478         Call finalize_plugins.
27479
27480 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
27481
27482         * common.opt (fversion): New.
27483         * gcc.c (print_version): New.
27484         (process_command): Don't print the version. Just set print_version.
27485         (main): Print version. Call subprocesses if print_version and
27486         verbose_flag are set.
27487         * opts.c (common_handle_option): Handle OPT_fversion.
27488
27489 2009-04-16  Richard Guenther  <rguenther@suse.de>
27490             Ira Rosen  <irar@il.ibm.com>
27491
27492         PR tree-optimization/39698
27493         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
27494         type of the reduction variable.  Only generate the def if
27495         it is needed.
27496
27497         * omp-low.c (expand_omp_for_generic): When converting to a pointer
27498         make sure to first convert to an integer of the same precision.
27499         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
27500         the type of the evolution correctly in computing the new
27501         induction variable base.
27502
27503 2009-04-16  Richard Guenther  <rguenther@suse.de>
27504
27505         PR middle-end/39625
27506         * tree-cfg.c (make_blocks): Split statements with to-be
27507         abnormal SSA names on the lhs.
27508
27509 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
27510
27511         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
27512         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
27513         * c-typeck.c (really_start_incremental_init): Likewise.
27514         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
27515         (TARGET_INITIALIZER): Remove it.
27516         * target.h (struct target): Remove vector_opaque_p.
27517         * tree.c (build_opaque_vector_type): New.
27518         * tree.h (TYPE_VECTOR_OPAQUE): New.
27519         (build_opaque_vector_type): Declare.
27520         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
27521         * config/rs6000/rs6000.c (build_opaque_vector_type,
27522         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
27523         (rs6000_init_builtins): Use build_opaque_vector_type for
27524         opaque_V4SI_type_node.
27525
27526 2009-04-15  Catherine Moore  <clm@codesourcery.com>
27527
27528         * debug.h (set_name):  Declare.
27529         * dwarf2out.c (dwarf2out_set_name): Declare.
27530         (dwarf2_debug_hooks): Add set_name.
27531         (find_AT_string): New.
27532         (add_AT_string): Call find_AT_string.
27533         (dwarf2out_set_name): New.
27534         * cp/decl.c (grokdeclarator): Call set_name.
27535         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
27536         * debug.c (do_nothing_debug_hooks):  Likewise.
27537         * dbxout.c (dbx_debug_hooks): Likewise.
27538         * sdbout.c (sdb_debug_hooks): Likewise.
27539
27540 2009-04-15  Michael Eager  <eager@eagercon.com>
27541
27542         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
27543         reg for single-precision FPU.
27544         * config/rs6000/rs6000.md (movsi_internal1): Only for
27545         !TARGET_SINGLE_FPU.
27546         (movsi_internal1_single): New. Add pattern to move SI values to/from
27547         single-precision FP regs.
27548
27549 2009-04-15  Richard Guenther  <rguenther@suse.de>
27550
27551         * omp-low.c (lower_rec_input_clauses): Build correct address
27552         expressions.
27553         (expand_omp_for_generic): Fix multiplication type.
27554         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
27555         (generate_memset_zero): Fix types.
27556         * tree-profile.c (prepare_instrumented_value): Correctly
27557         widen a pointer.
27558
27559 2009-04-15  Ian Lance Taylor  <iant@google.com>
27560
27561         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
27562         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
27563         for -Wall and for -Wc++-compat.
27564         (c_common_post_options): For C++, set warn_enum_compare if not
27565         already set.
27566         * c-tree.h (struct c_expr): Add field original_type.
27567         (build_external_ref): Update declaration.
27568         * c-parser.c (c_parser_braced_init): Set original_type.
27569         (c_parser_initelt): Likewise.
27570         (c_parser_expr_no_commas): Likewise.
27571         (c_parser_conditional_expression): Likewise.
27572         (c_parser_cast_expression): Likewise.
27573         (c_parser_unary_expression): Likewise.  Pull setting of
27574         original_code to top of function.
27575         (c_parser_sizeof_expression): Set original_type.
27576         (c_parser_alignof_expression): Likewise.
27577         (c_parser_postfix_expression): Likewise.  Pull setting of
27578         original_code to top of function.
27579         (c_parser_postfix_expression_after_paren_type): Set original_type.
27580         (c_parser_postfix_expression_after_primary): Likewise.
27581         (c_parser_expression): Likewise.
27582         * c-typeck.c (build_external_ref): Add type parameter.  Change all
27583         callers.
27584         (c_expr_sizeof_expr): Set original_type field.
27585         (parser_build_unary_op): Likewise.
27586         (parser_build_binary_op): Likewise.  Optionally warn about
27587         comparisons of enums of different types.
27588         (digest_init): Set original_type field.
27589         (really_start_incremental_init): Likewise.
27590         (push_init_level, pop_init_level): Likewise.
27591         * doc/invoke.texi (Warning Options): -Wenum-compare now
27592         supported in C.
27593
27594 2009-04-15  Richard Guenther  <rguenther@suse.de>
27595
27596         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
27597         out a necessary conversion.
27598         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
27599         names we didn't value number.
27600         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
27601
27602 2009-04-15  Richard Guenther  <rguenther@suse.de>
27603
27604         PR tree-optimization/39764
27605         * tree-ssa-ccp.c (get_value): Canonicalize value with
27606         canonicalize_float_value.
27607
27608 2009-04-15  Jan Hubicka  <jh@suse.cz>
27609
27610         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
27611         Wrong version of patch.
27612
27613 2009-04-15  Jan Hubicka  <jh@suse.cz>
27614
27615         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
27616
27617 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
27618
27619         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
27620         our distinct integral and vector types.
27621
27622 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
27623
27624         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
27625         * init.c (build_vtbl_address): Remove call to assemble_external.
27626
27627 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
27628
27629         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
27630         output for other floating point modes.
27631
27632 2009-04-14  Diego Novillo  <dnovillo@google.com>
27633
27634         * diagnostic.c (diagnostic_report_diagnostic): Do not
27635         warn about loaded plugins for DK_ERROR and DK_WARNING.
27636         * c-decl.c (declspecs_add_type): Move call to
27637         invoke_plugin_callbacks ...
27638         * c-parser.c (c_parser_declspecs): ... here.
27639         * plugin.c (dump_active_plugins): Tidy output.
27640
27641 2009-04-14  Diego Novillo  <dnovillo@google.com>
27642             Le-Chun Wu  <lcwu@google.com>
27643
27644         * configure.ac: Add --enable-plugin support.
27645         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
27646         * Makefile.in (PLUGIN_H): Define.
27647         Export ENABLE_PLUGIN and GMPINC to site.exp.
27648         Add PLUGINLIBS to link command.
27649         Add/modify dependencies for plugin.o and files including plugin.h.
27650         (plugin.o): New.
27651         * config.in: Regenerate.
27652
27653         * opts.c (common_handle_option): Handle OPT_fplugin_ and
27654         OPT_fplugin_arg_.
27655
27656 2009-04-14  Le-Chun Wu  <lcwu@google.com>
27657
27658         * tree-pass.h (register_one_dump_file): Add a prototype for
27659         register_one_dump_file.
27660         * toplev.c (compile_file): Call initialize_plugins.
27661         (do_compile): Call invoke_plugin_callbacks.
27662         (toplev_main): Call invoke_plugin_callbacks.
27663         * common.opt: Add -fplugin= and -fplugin-arg-.
27664         * gcc-plugin.h: New public header file for plugins to include.
27665         * plugin.c: New source file.
27666         * plugin.h: New internal header file.
27667         * passes.c (register_one_dump_file): Make it external.
27668
27669         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
27670
27671 2009-04-14  Diego Novillo  <dnovillo@google.com>
27672
27673         * doc/plugins.texi: New.
27674         * doc/gccint.texi: Add reference to Plugins chapter.
27675         * doc/invoke.texi: Document -fplugin and -fplugin-arg
27676         * diagnostic.c (diagnostic_report_diagnostic): Warn about
27677         loaded plugins, if any.
27678         * timevar.def (TV_PLUGIN_INIT): Define.
27679         (TV_PLUGIN_RUN): Define.
27680         * plugin.c: Include timevar.h
27681         (plugins_active_p): New.
27682         (dump_active_plugins): New.
27683         (debug_active_plugins): New.
27684
27685 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
27686
27687         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
27688         library paths.
27689         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
27690
27691 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
27692
27693         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
27694         the same as a minus without a shift.
27695
27696 2009-04-14  Nick Clifton  <nickc@redhat.com>
27697
27698         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
27699         comparisons with small integers will always produce a short
27700         branch.
27701
27702 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
27703
27704         Merge:
27705         2008-12-19  Diego Novillo  <dnovillo@google.com>
27706
27707         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
27708
27709 2009-04-14  Richard Guenther  <rguenther@suse.de>
27710
27711         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
27712         verification.
27713         (verify_gimple_assign_binary): Likewise.  Handle shifts and
27714         rotates correctly.
27715         (verify_gimple_phi): Print the mismatched argument position.
27716         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
27717         Fix types.
27718         (vect_update_init_of_dr): Likewise.
27719         * matrix-reorg.c (transform_access_sites): Do what the
27720         comment suggests.
27721         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
27722
27723 2009-04-13  Michael Eager  <eager@eagercon.com>
27724
27725         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
27726         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
27727         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
27728         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
27729         remove duplicate config
27730
27731 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
27732
27733         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
27734         file_name:line_number type locator of the call site.
27735
27736 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
27737
27738         * genautomata.c: Put blank after comma.
27739         (automaton_decls): New.
27740         (struct unit_usage): Add comments to member next.
27741         (store_alt_unit_usage): Keep the list ordered.
27742         (unit_present_on_list_p, equal_alternatives_p): New.
27743         (check_regexp_units_distribution): Check units distribution
27744         correctness correctly.
27745         (main): Don't write automata if error is found.  Return correct
27746         exit code.
27747
27748         * config/m68k/cf.md (cfv4_ds): Remove.
27749         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
27750         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
27751
27752         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
27753         power4-load-ext, power4-store, power4-store-update,
27754         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
27755         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
27756         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
27757         power4-sqrt, power4-isync): Modify reservation to make correct
27758         unit distribution to automata.
27759
27760         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
27761         power5-store-update, power5-two, power5-three, power5-lmul,
27762         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
27763
27764 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
27765
27766         * except.c (pass_set_nothrow_function_flags): Set name and add
27767         TODO_dump_func.
27768         (set_nothrow_function_flags): Mention in the dump file when
27769         changing a function to nothrow.
27770
27771 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
27772
27773         PR/39066
27774         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
27775         instead of unsigned long.
27776
27777 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
27778
27779         * config/arm/arm.c (return_used_this_function): Remove.
27780         (arm_output_function_prologue): Remove use of
27781         return_used_this_function.
27782         (output_return_instruction): Replace use of
27783         return_used_this_function
27784         by cfun->machine->return_used_this_function.
27785         (arm_output_epilogue): Likewise.
27786         (arm_output_function_epilogue): Likewise.
27787         (thumb_unexpanded_epilogue): Likewise.
27788         * config/arm/arm.h (struct machine_function):
27789         New member return_used_this_function.
27790
27791 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
27792
27793         * doc/install.texi: Correct description of default directory for
27794         --with-gxx-include-dir.
27795
27796 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
27797
27798         * fold-const.c (build_range_check): Properly deal with enumeral and
27799         boolean base types.
27800
27801 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
27802
27803         * doc/invoke.texi (max_gcse_passes): Remove documentation.
27804         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
27805         * params.h (MAX_GCSE_PASSES): Remove.
27806         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
27807         in sequence.  Remove ability to run multiple passes.
27808         (bypass_jumps): Report run as third CPROP pass.
27809
27810 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
27811
27812         PR middle-end/39651
27813         * except.c (can_throw_external): Look at each insn in a SEQUENCE
27814         when deciding whether the whole SEQUENCE can throw.
27815
27816 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
27817
27818         PR target/39740
27819         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
27820         offseted label references.
27821
27822 2009-04-11  Jan Hubicka  <jh@suse.cz>
27823
27824         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
27825
27826 2009-04-11  Richard Guenther  <rguenther@suse.de>
27827
27828         PR middle-end/39732
27829         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
27830         return variables as TREE_ADDRESSABLE.
27831
27832 2009-04-11  Richard Guenther  <rguenther@suse.de>
27833
27834         PR tree-optimization/39713
27835         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
27836         reference trees have SSA_NAME operands.
27837
27838 2009-04-11  Richard Guenther  <rguenther@suse.de>
27839
27840         PR c/39712
27841         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
27842         address expressions.
27843
27844 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
27845
27846         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
27847         match changes in Cygwin 1.7
27848         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
27849         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
27850
27851 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
27852
27853         PR tree-optimization/39701
27854         * doc/invoke.texi (Optimization Options): Document change in
27855         meaning and initialization of -fdelete-null-pointer-checks.
27856
27857 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
27858
27859         PR middle-end/39701
27860         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
27861
27862         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
27863         here.
27864
27865         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
27866
27867 2009-04-10  Chao-ying Fu  <fu@mips.com>
27868
27869         * doc/tm.texi (Instruction Output): Document
27870         TARGET_ASM_FINAL_POSTSCAN_INSN.
27871         * target.h (final_postscan_insn): New field in asm_out.
27872         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
27873         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
27874         * final.c (final_scan_insn): Call
27875         targetm.asm_out.final_postscan_insn after outputting
27876         an asm macro and a normal instruction.
27877
27878         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
27879         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
27880         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
27881         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
27882         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
27883
27884 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
27885
27886         PR middle-end/39701
27887         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
27888         variables as non-NULL even with -fdelete-null-pointer-checks.
27889
27890 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
27891
27892         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
27893
27894 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
27895
27896         PR target/39678
27897         * config/i386/i386.c (classify_argument): Handle SCmode with
27898         (bit_offset % 64) != 0.
27899
27900 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
27901
27902         * doc/invoke.texi (Optimize Options): Add cross-reference to
27903         -Q --help=optimizers examples.
27904
27905 2009-04-10  Ben Elliston  <bje@au.ibm.com>
27906
27907         PR target/36800
27908         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
27909         regalign for the reg == fpr and TDmode case.
27910
27911 2009-04-09  David Ayers  <ayers@fsfe.org>
27912
27913         PR objc/29200
27914         * objc/objc-act.c (warn_with_method): Remove helper function.
27915         (check_duplicates): Call warning and inform directly.
27916         (really_start_method): Likewise.
27917
27918 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
27919
27920         * expmed.c (expand_divmod): Always use a comparison for a division
27921         by a large unsigned integer.
27922
27923         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
27924         for things others than variables or functions as nonzero.
27925
27926 2009-04-09  Nick Clifton  <nickc@redhat.com>
27927
27928         * unwind-compat.c: Change copyright header to refer to version
27929         3 of the GNU General Public License with version 3.1 of the
27930         GCC Runtime Library Exception and to point readers at the
27931         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
27932         * config/alpha/crtfastmath.c: Likewise.
27933         * config/alpha/linux-unwind.h: Likewise.
27934         * config/alpha/qrnnd.asm: Likewise.
27935         * config/alpha/vms-crt0-64.c: Likewise.
27936         * config/alpha/vms-crt0.c: Likewise.
27937         * config/alpha/vms-dwarf2.asm: Likewise.
27938         * config/alpha/vms-dwarf2eh.asm: Likewise.
27939         * config/alpha/vms-psxcrt0-64.c: Likewise.
27940         * config/alpha/vms-psxcrt0.c: Likewise.
27941         * config/alpha/vms_tramp.asm: Likewise.
27942         * config/arc/initfini.c: Likewise.
27943         * config/arc/lib1funcs.asm: Likewise.
27944         * config/arm/bpabi-v6m.S: Likewise.
27945         * config/arm/bpabi.S: Likewise.
27946         * config/arm/bpabi.c: Likewise.
27947         * config/arm/crti.asm: Likewise.
27948         * config/arm/crtn.asm: Likewise.
27949         * config/arm/ieee754-df.S: Likewise.
27950         * config/arm/ieee754-sf.S: Likewise.
27951         * config/arm/lib1funcs.asm: Likewise.
27952         * config/arm/libunwind.S: Likewise.
27953         * config/arm/linux-atomic.c: Likewise.
27954         * config/arm/mmintrin.h: Likewise.
27955         * config/arm/pr-support.c: Likewise.
27956         * config/arm/unaligned-funcs.c: Likewise.
27957         * config/arm/unwind-arm.c: Likewise.
27958         * config/arm/unwind-arm.h: Likewise.
27959         * config/avr/libgcc.S: Likewise.
27960         * config/bfin/crti.s: Likewise.
27961         * config/bfin/crtlibid.s: Likewise.
27962         * config/bfin/crtn.s: Likewise.
27963         * config/bfin/lib1funcs.asm: Likewise.
27964         * config/bfin/linux-unwind.h: Likewise.
27965         * config/cris/arit.c: Likewise.
27966         * config/cris/cris_abi_symbol.c: Likewise.
27967         * config/darwin-64.c: Likewise.
27968         * config/darwin-crt2.c: Likewise.
27969         * config/darwin-crt3.c: Likewise.
27970         * config/darwin.h: Likewise.
27971         * config/dbxelf.h: Likewise.
27972         * config/dfp-bit.c: Likewise.
27973         * config/dfp-bit.h: Likewise.
27974         * config/elfos.h: Likewise.
27975         * config/fixed-bit.c: Likewise.
27976         * config/fixed-bit.h: Likewise.
27977         * config/fp-bit.c: Likewise.
27978         * config/fp-bit.h: Likewise.
27979         * config/fr30/crti.asm: Likewise.
27980         * config/fr30/crtn.asm: Likewise.
27981         * config/fr30/lib1funcs.asm: Likewise.
27982         * config/freebsd-spec.h: Likewise.
27983         * config/frv/cmovd.c: Likewise.
27984         * config/frv/cmovh.c: Likewise.
27985         * config/frv/cmovw.c: Likewise.
27986         * config/frv/frvbegin.c: Likewise.
27987         * config/frv/frvend.c: Likewise.
27988         * config/frv/lib1funcs.asm: Likewise.
27989         * config/glibc-stdint.h: Likewise.
27990         * config/h8300/clzhi2.c: Likewise.
27991         * config/h8300/crti.asm: Likewise.
27992         * config/h8300/crtn.asm: Likewise.
27993         * config/h8300/ctzhi2.c: Likewise.
27994         * config/h8300/fixunssfsi.c: Likewise.
27995         * config/h8300/lib1funcs.asm: Likewise.
27996         * config/h8300/parityhi2.c: Likewise.
27997         * config/h8300/popcounthi2.c: Likewise.
27998         * config/i386/ammintrin.h: Likewise.
27999         * config/i386/att.h: Likewise.
28000         * config/i386/avxintrin.h: Likewise.
28001         * config/i386/biarch64.h: Likewise.
28002         * config/i386/bmmintrin.h: Likewise.
28003         * config/i386/cpuid.h: Likewise.
28004         * config/i386/cross-stdarg.h: Likewise.
28005         * config/i386/crtfastmath.c: Likewise.
28006         * config/i386/crtprec.c: Likewise.
28007         * config/i386/cygming-crtbegin.c: Likewise.
28008         * config/i386/cygming-crtend.c: Likewise.
28009         * config/i386/cygwin.asm: Likewise.
28010         * config/i386/emmintrin.h: Likewise.
28011         * config/i386/gmm_malloc.h: Likewise.
28012         * config/i386/gthr-win32.c: Likewise.
28013         * config/i386/i386.h: Likewise.
28014         * config/i386/immintrin.h: Likewise.
28015         * config/i386/linux-unwind.h: Likewise.
28016         * config/i386/linux64.h: Likewise.
28017         * config/i386/mm3dnow.h: Likewise.
28018         * config/i386/mmintrin-common.h: Likewise.
28019         * config/i386/mmintrin.h: Likewise.
28020         * config/i386/nmmintrin.h: Likewise.
28021         * config/i386/pmm_malloc.h: Likewise.
28022         * config/i386/pmmintrin.h: Likewise.
28023         * config/i386/smmintrin.h: Likewise.
28024         * config/i386/sol2-c1.asm: Likewise.
28025         * config/i386/sol2-ci.asm: Likewise.
28026         * config/i386/sol2-cn.asm: Likewise.
28027         * config/i386/sol2-gc1.asm: Likewise.
28028         * config/i386/tmmintrin.h: Likewise.
28029         * config/i386/unix.h: Likewise.
28030         * config/i386/w32-unwind.h: Likewise.
28031         * config/i386/wmmintrin.h: Likewise.
28032         * config/i386/x86-64.h: Likewise.
28033         * config/i386/x86intrin.h: Likewise.
28034         * config/i386/xmmintrin.h: Likewise.
28035         * config/ia64/crtbegin.asm: Likewise.
28036         * config/ia64/crtend.asm: Likewise.
28037         * config/ia64/crtfastmath.c: Likewise.
28038         * config/ia64/crti.asm: Likewise.
28039         * config/ia64/crtn.asm: Likewise.
28040         * config/ia64/fde-glibc.c: Likewise.
28041         * config/ia64/lib1funcs.asm: Likewise.
28042         * config/ia64/linux-unwind.h: Likewise.
28043         * config/ia64/quadlib.c: Likewise.
28044         * config/ia64/unwind-ia64.c: Likewise.
28045         * config/linux.h: Likewise.
28046         * config/m32c/m32c-lib1.S: Likewise.
28047         * config/m32c/m32c-lib2-trapv.c: Likewise.
28048         * config/m32c/m32c-lib2.c: Likewise.
28049         * config/m32r/initfini.c: Likewise.
28050         * config/m68hc11/larith.asm: Likewise.
28051         * config/m68hc11/m68hc11-crt0.S: Likewise.
28052         * config/m68k/cf.md: Likewise.
28053         * config/m68k/crti.s: Likewise.
28054         * config/m68k/crtn.s: Likewise.
28055         * config/m68k/lb1sf68.asm: Likewise.
28056         * config/m68k/linux-unwind.h: Likewise.
28057         * config/mcore/crti.asm: Likewise.
28058         * config/mcore/crtn.asm: Likewise.
28059         * config/mcore/lib1.asm: Likewise.
28060         * config/mips/linux-unwind.h: Likewise.
28061         * config/mips/loongson.h: Likewise.
28062         * config/mips/mips16.S: Likewise.
28063         * config/mmix/crti.asm: Likewise.
28064         * config/mmix/crtn.asm: Likewise.
28065         * config/pa/fptr.c: Likewise.
28066         * config/pa/hpux-unwind.h: Likewise.
28067         * config/pa/lib2funcs.asm: Likewise.
28068         * config/pa/linux-atomic.c: Likewise.
28069         * config/pa/linux-unwind.h: Likewise.
28070         * config/pa/milli64.S: Likewise.
28071         * config/pa/quadlib.c: Likewise.
28072         * config/pa/stublib.c: Likewise.
28073         * config/picochip/libgccExtras/adddi3.asm: Likewise.
28074         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
28075         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
28076         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
28077         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
28078         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
28079         * config/picochip/libgccExtras/divmod15.asm: Likewise.
28080         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
28081         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
28082         * config/picochip/libgccExtras/longjmp.asm: Likewise.
28083         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
28084         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
28085         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
28086         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
28087         * config/picochip/libgccExtras/setjmp.asm: Likewise.
28088         * config/picochip/libgccExtras/subdi3.asm: Likewise.
28089         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
28090         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
28091         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
28092         * config/rs6000/750cl.h: Likewise.
28093         * config/rs6000/altivec.h: Likewise.
28094         * config/rs6000/biarch64.h: Likewise.
28095         * config/rs6000/crtresfpr.asm: Likewise.
28096         * config/rs6000/crtresgpr.asm: Likewise.
28097         * config/rs6000/crtresxfpr.asm: Likewise.
28098         * config/rs6000/crtresxgpr.asm: Likewise.
28099         * config/rs6000/crtsavfpr.asm: Likewise.
28100         * config/rs6000/crtsavgpr.asm: Likewise.
28101         * config/rs6000/darwin-asm.h: Likewise.
28102         * config/rs6000/darwin-fallback.c: Likewise.
28103         * config/rs6000/darwin-fpsave.asm: Likewise.
28104         * config/rs6000/darwin-ldouble.c: Likewise.
28105         * config/rs6000/darwin-tramp.asm: Likewise.
28106         * config/rs6000/darwin-unwind.h: Likewise.
28107         * config/rs6000/darwin-vecsave.asm: Likewise.
28108         * config/rs6000/darwin-world.asm: Likewise.
28109         * config/rs6000/e500crtres32gpr.asm: Likewise.
28110         * config/rs6000/e500crtres64gpr.asm: Likewise.
28111         * config/rs6000/e500crtres64gprctr.asm: Likewise.
28112         * config/rs6000/e500crtrest32gpr.asm: Likewise.
28113         * config/rs6000/e500crtrest64gpr.asm: Likewise.
28114         * config/rs6000/e500crtresx32gpr.asm: Likewise.
28115         * config/rs6000/e500crtresx64gpr.asm: Likewise.
28116         * config/rs6000/e500crtsav32gpr.asm: Likewise.
28117         * config/rs6000/e500crtsav64gpr.asm: Likewise.
28118         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
28119         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
28120         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
28121         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
28122         * config/rs6000/eabi-ci.asm: Likewise.
28123         * config/rs6000/eabi-cn.asm: Likewise.
28124         * config/rs6000/eabi.asm: Likewise.
28125         * config/rs6000/linux-unwind.h: Likewise.
28126         * config/rs6000/linux64.h: Likewise.
28127         * config/rs6000/paired.h: Likewise.
28128         * config/rs6000/paired.md: Likewise.
28129         * config/rs6000/ppc64-fp.c: Likewise.
28130         * config/rs6000/ppu_intrinsics.h: Likewise.
28131         * config/rs6000/rs6000.h: Likewise.
28132         * config/rs6000/si2vmx.h: Likewise.
28133         * config/rs6000/sol-ci.asm: Likewise.
28134         * config/rs6000/sol-cn.asm: Likewise.
28135         * config/rs6000/spe.h: Likewise.
28136         * config/rs6000/spu2vmx.h: Likewise.
28137         * config/rs6000/sysv4.h: Likewise.
28138         * config/rs6000/tramp.asm: Likewise.
28139         * config/rs6000/vec_types.h: Likewise.
28140         * config/s390/linux-unwind.h: Likewise.
28141         * config/s390/tpf-unwind.h: Likewise.
28142         * config/score/crti.asm: Likewise.
28143         * config/score/crtn.asm: Likewise.
28144         * config/sh/crt1.asm: Likewise.
28145         * config/sh/crti.asm: Likewise.
28146         * config/sh/crtn.asm: Likewise.
28147         * config/sh/divtab-sh4-300.c: Likewise.
28148         * config/sh/divtab-sh4.c: Likewise.
28149         * config/sh/divtab.c: Likewise.
28150         * config/sh/lib1funcs-4-300.asm: Likewise.
28151         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
28152         * config/sh/lib1funcs.asm: Likewise.
28153         * config/sh/lib1funcs.h: Likewise.
28154         * config/sh/linux-atomic.asm: Likewise.
28155         * config/sh/linux-unwind.h: Likewise.
28156         * config/sh/shmedia.h: Likewise.
28157         * config/sh/sshmedia.h: Likewise.
28158         * config/sh/ushmedia.h: Likewise.
28159         * config/sparc/crtfastmath.c: Likewise.
28160         * config/sparc/linux-unwind.h: Likewise.
28161         * config/sparc/sol2-c1.asm: Likewise.
28162         * config/sparc/sol2-ci.asm: Likewise.
28163         * config/sparc/sol2-cn.asm: Likewise.
28164         * config/spu/divmodti4.c: Likewise.
28165         * config/spu/divv2df3.c: Likewise.
28166         * config/spu/float_disf.c: Likewise.
28167         * config/spu/float_unsdidf.c: Likewise.
28168         * config/spu/float_unsdisf.c: Likewise.
28169         * config/spu/float_unssidf.c: Likewise.
28170         * config/spu/mfc_multi_tag_release.c: Likewise.
28171         * config/spu/mfc_multi_tag_reserve.c: Likewise.
28172         * config/spu/mfc_tag_release.c: Likewise.
28173         * config/spu/mfc_tag_reserve.c: Likewise.
28174         * config/spu/mfc_tag_table.c: Likewise.
28175         * config/spu/multi3.c: Likewise.
28176         * config/spu/spu_internals.h: Likewise.
28177         * config/spu/spu_intrinsics.h: Likewise.
28178         * config/spu/spu_mfcio.h: Likewise.
28179         * config/spu/vec_types.h: Likewise.
28180         * config/spu/vmx2spu.h: Likewise.
28181         * config/stormy16/stormy16-lib2.c: Likewise.
28182         * config/svr4.h: Likewise.
28183         * config/sync.c: Likewise.
28184         * config/v850/lib1funcs.asm: Likewise.
28185         * config/vxlib-tls.c: Likewise.
28186         * config/vxlib.c: Likewise.
28187         * config/vxworks-dummy.h: Likewise.
28188         * config/xtensa/crti.asm: Likewise.
28189         * config/xtensa/crtn.asm: Likewise.
28190         * config/xtensa/ieee754-df.S: Likewise.
28191         * config/xtensa/ieee754-sf.S: Likewise.
28192         * config/xtensa/lib1funcs.asm: Likewise.
28193         * config/xtensa/lib2funcs.S: Likewise.
28194         * config/xtensa/linux-unwind.h: Likewise.
28195         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
28196         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
28197         * coretypes.h: Likewise.
28198         * crtstuff.c: Likewise.
28199         * defaults.h: Likewise.
28200         * dwarf2.h: Likewise.
28201         * emutls.c: Likewise.
28202         * gbl-ctors.h: Likewise.
28203         * gcov-io.h: Likewise.
28204         * ginclude/float.h: Likewise.
28205         * ginclude/iso646.h: Likewise.
28206         * ginclude/stdarg.h: Likewise.
28207         * ginclude/stdbool.h: Likewise.
28208         * ginclude/stddef.h: Likewise.
28209         * ginclude/stdfix.h: Likewise.
28210         * ginclude/stdint-gcc.h: Likewise.
28211         * ginclude/tgmath.h: Likewise.
28212         * gthr-aix.h: Likewise.
28213         * gthr-dce.h: Likewise.
28214         * gthr-gnat.c: Likewise.
28215         * gthr-gnat.h: Likewise.
28216         * gthr-lynx.h: Likewise.
28217         * gthr-mipssde.h: Likewise.
28218         * gthr-nks.h: Likewise.
28219         * gthr-posix.c: Likewise.
28220         * gthr-posix.h: Likewise.
28221         * gthr-posix95.h: Likewise.
28222         * gthr-rtems.h: Likewise.
28223         * gthr-single.h: Likewise.
28224         * gthr-solaris.h: Likewise.
28225         * gthr-tpf.h: Likewise.
28226         * gthr-vxworks.h: Likewise.
28227         * gthr-win32.h: Likewise.
28228         * gthr.h: Likewise.
28229         * libgcc2.c: Likewise.
28230         * libgcc2.h: Likewise.
28231         * libgcov.c: Likewise.
28232         * tsystem.h: Likewise.
28233         * typeclass.h: Likewise.
28234         * unwind-c.c: Likewise.
28235         * unwind-compat.h: Likewise.
28236         * unwind-dw2-fde-compat.c: Likewise.
28237         * unwind-dw2-fde-darwin.c: Likewise.
28238         * unwind-dw2-fde-glibc.c: Likewise.
28239         * unwind-dw2-fde.c: Likewise.
28240         * unwind-dw2-fde.h: Likewise.
28241         * unwind-dw2.c: Likewise.
28242         * unwind-dw2.h: Likewise.
28243         * unwind-generic.h: Likewise.
28244         * unwind-pe.h: Likewise.
28245         * unwind-sjlj.c: Likewise.
28246         * unwind.inc: Likewise.
28247         * config/arm/neon-gen.ml: Change generated copyright header to
28248         refer to version 3 of the GNU General Public License with
28249         version 3.1 of the GCC Runtime Library Exception and to point
28250         readers at the COPYING3 and COPYING3.RUNTIME files and the
28251         FSF's license web page.
28252         * config/arm/arm_neon.h: Regenerate.
28253
28254 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
28255
28256         * config/cris/cris.md: Change copyright header to refer to version
28257         3 of the GNU General Public License.
28258         * doc/install.texi2html: Change copyright header to refer to version
28259         3 of the GNU General Public License and to point readers at the
28260         COPYING3 file and the FSF's license web page.
28261         * config/vax/linux.h: Likewise.
28262
28263 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
28264
28265         * config/i386/i386.md (cmpcc): New.
28266         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
28267         (sync_compare_and_swap_cc*): Delete.
28268
28269         * config/s390/s390.c (s390_compare_emitted): Remove.
28270         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
28271         s390_compare_emitted used to be handled.  Assert that modes match.
28272         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
28273         refer to sync_compare_and_swap_ccsi.
28274         * config/s390/s390.h (s390_compare_emitted): Remove.
28275         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
28276         instead of s390_compare_emitted.
28277         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
28278         instead of s390_compare_emitted.
28279         * config/s390/s390.md (cmpcc): New.
28280         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
28281         CC_REGNUM, do not pretend it's set.
28282         (sync_compare_and_swap_cc*): Delete.
28283         * config/s390/predicates.md (cc_reg_operand): New.
28284
28285         * expr.c (sync_compare_and_swap_cc): Delete.
28286         * optabs.h (sync_compare_and_swap_cc): Delete.
28287         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
28288         is being used with can_compare_p.
28289         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
28290         (find_cc_set): New.
28291         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
28292         look for a MODE_CC set instead.  Use emit_store_flag.
28293         (expand_compare_and_swap_loop): Likewise, with some additional
28294         complication to avoid a force_reg when useless.  Use
28295         emit_cmp_and_jump_insns.
28296         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
28297         * doc/md.texi (sync_compare_and_swap_cc): Merge with
28298         sync_compare_and_swap documentation.
28299
28300 2009-04-09  Jan Hubicka  <jh@suse.cz>
28301
28302         * except.c (find_prev_try): Break out from ....
28303         (duplicate_eh_regions): ... here; properly update prev_try pointers
28304         when duplication part of tree.
28305         (dump_eh_tree): Improve dumping.
28306         (verify_eh_region): New.
28307         (verify_eh_tree): Use it.
28308
28309 2009-04-06  Richard Guenther  <rguenther@suse.de>
28310
28311         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
28312         &ARRAY addresses by adjusting their types and prepending
28313         a conversion.
28314         * tree-cfg.c (verify_gimple_assign_single): Verify that
28315         addresses are correct.
28316
28317 2009-04-09  Richard Guenther  <rguenther@suse.de>
28318
28319         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
28320         indices into an array reference if possible.
28321         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
28322         Fold POINTER_PLUS_EXPR statements with invariant address.
28323
28324 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
28325
28326         PR target/39634
28327         * config.gcc (powerpc64-*-linux*): Always build biarch.
28328
28329 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
28330
28331         PR c/39613
28332         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
28333         it and pedwarn if this results in an INTEGER_CST.
28334
28335 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
28336
28337         * doc/install.texi: Update minimum GMP version.  Remove obsolete
28338         text in MPFR section.
28339
28340 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
28341
28342         * dwarf2out.c (class_scope_p): New static inline.
28343         (class_or_namespace_scope_p): Use it.
28344         (gen_variable_die): Use DW_TAG_member tag for static data member
28345         declarations instead of DW_TAG_variable.
28346
28347         PR middle-end/39573
28348         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
28349         variables.
28350
28351 2009-04-08  Richard Guenther  <rguenther@suse.de>
28352
28353         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
28354         valueize random data.
28355
28356 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
28357
28358         * config.gcc (aix tm_file):  Add aix-stdint.h.
28359         (aix tm clause use_gcc_stdint):  Set to wrap.
28360         * config/rs6000/aix-stdint.h:  New file.
28361
28362 2009-04-08  Richard Guenther  <rguenther@suse.de>
28363
28364         PR middle-end/36291
28365         * tree-dfa.c (add_referenced_var): Do not recurse into
28366         global initializers.
28367         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
28368         exposed variables.
28369         (fold_const_aggregate_ref): Likewise.
28370
28371 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
28372
28373         * recog.c (ordered_comparison_operator): New.
28374         * gensupport.c (std_preds): Add it.
28375         * doc/md.texi (Machine-Independent Predicates): Document it.
28376
28377 2009-04-08  Jan Hubicka  <jh@suse.cz>
28378
28379         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
28380         * function.h (rtl_eh): Remove exception_handler_label_map.
28381         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
28382         remove_exception_handler_label, for_each_eh_label_1): Remove.
28383         (rtl_remove_unreachable_regions): Remove.
28384         (convert_from_eh_region_ranges): Do not remove unreachable regions.
28385         (find_exception_handler_labels): Don't build the hashtable.
28386         (maybe_remove_eh_handler): Remove.
28387         (for_each_eh_label): Rewrite to walk the tree.
28388         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
28389         * except.h (maybe_remove_eh_handler): Remove.
28390         * passes.c (init_optimization_passes): Schedule second EH cleanup
28391         before out-of-ssa.
28392         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
28393         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
28394
28395 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
28396
28397         * genoutput.c (validate_optab_operands): New.
28398         (gen_insn, gen_expand): Call it.
28399
28400         * genflags.c (gen_insn): Detect misused iterators.
28401         (main): Pass line_no to gen_insn, exit with status 1 on error.
28402
28403         * genextract.c (line_no): Make global.
28404         (VEC_safe_set_locstr): Change assertion to error message.
28405         (main): Exit with status 1 on error.
28406
28407 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
28408
28409         PR c/39614
28410         PR c/39673
28411         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
28412         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
28413         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
28414         * c-convert.c (convert): Do not call fold on results of conversion
28415         functions when the result is a C_MAYBE_CONST_EXPR.
28416         * c-parser.c (c_parser_postfix_expression): Do not fold condition
28417         of __builtin_choose_expr.
28418         * c-typeck.c (remove_c_maybe_const_expr): New.
28419         (build_unary_op, build_conditional_expr, build_compound_expr,
28420         build_binary_op, c_objc_common_truthvalue_conversion): Call
28421         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
28422         integer operands.
28423
28424 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
28425
28426         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
28427         CODE to produce a new one. Add a prototype to use fold_convert_const
28428
28429 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
28430
28431         PR bootstrap/39660
28432         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
28433         mix declarations and code.
28434
28435 2009-04-08  Ben Elliston  <bje@au.ibm.com>
28436
28437         * gcc.c: Replace `CC' with `GCC' throughout.
28438
28439 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
28440
28441         * doc/invoke.texi: Document Atom support.
28442
28443 2009-04-07  Jason Merrill  <jason@redhat.com>
28444
28445         PR c++/25185
28446         * c-common.h, c-common.c: Add flag_pretty_templates.
28447         * c-opts.c (c_common_handle_option): Set it.
28448         * c.opt: Add -fno-pretty-templates.
28449         * doc/invoke.texi (C++ Dialect Options): Likewise.
28450
28451 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
28452
28453         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
28454         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
28455         (ia64_expand_builtin): Likewise.
28456
28457 2009-04-07  Martin Jambor  <mjambor@suse.cz>
28458
28459         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
28460         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
28461         ADDR_EXPRS are include too.
28462
28463 2009-04-07  Richard Guenther  <rguenther@suse.de>
28464
28465         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
28466         decls are only used if passes as parameters or if they are
28467         local statics and the call is not to a builtin.
28468         (call_may_clobber_ref_p_1): Likewise.
28469
28470 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
28471
28472         * expr.c (do_store_flag): Remove last argument.  Simplify code
28473         to avoid duplication of tests already done by can_compare_p.
28474         (expand_expr_real_1): Adjust caller.
28475
28476 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
28477
28478         * optabs.c (can_compare_p): Test the predicate of a
28479         cbranch and cstore pattern.
28480
28481 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
28482
28483         * expr.c (convert_move): Use emit_store_flag instead of
28484         "emulating" it.
28485
28486 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
28487
28488         * config/i386/i386.c (ix86_compare_emitted): Remove.
28489         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
28490         ix86_compare_op0 like ix86_compare_emitted used to be handled.
28491         * config/i386/i386.h (ix86_compare_emitted): Remove.
28492         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
28493         instead of ix86_compare_emitted.
28494         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
28495
28496 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
28497
28498         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
28499         Add t-sysroot-suffix to tmake_file.
28500         * config/print-sysroot-suffix.sh: New file.
28501         * config/t-sysroot-suffix: New file.
28502
28503 2009-04-07  Ben Elliston  <bje@au.ibm.com>
28504
28505         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
28506         as the latter produces a warning when the target does not support
28507         infinity.
28508
28509 2009-04-07  Ben Elliston  <bje@au.ibm.com>
28510
28511         * dfp.c: Replace type punning assignments with memcpy throughout.
28512         * Makefile.in (dfp.o-warn): Remove.
28513
28514 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
28515
28516         PR target/39634
28517         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
28518         Include soft-fp/t-softfp after rs6000/t-linux64.
28519
28520 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
28521
28522         * stor-layout.c (set_sizetype): Use the full precision of their
28523         machine mode for bitsize types.
28524
28525 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
28526
28527         * config/i386/i386.md: Revert 2 accidental checkins.
28528
28529 2009-04-06  Joey Ye  <joey.ye@intel.com>
28530             Xuepeng Guo  <xuepeng.guo@intel.com>
28531             H.J. Lu  <hongjiu.lu@intel.com>
28532
28533         Atom pipeline model, tuning and insn selection.
28534         * config.gcc (atom): Add atom config options and target.
28535
28536         * config/i386/atom.md: New.
28537
28538         * config/i386/i386.c (atom_cost): New cost.
28539         (m_ATOM): New macro flag.
28540         (initial_ix86_tune_features): Set m_ATOM.
28541         (x86_accumulate_outgoing_args): Likewise.
28542         (x86_arch_always_fancy_math_387): Likewise.
28543         (processor_target): Add Atom cost.
28544         (cpu_names): Add Atom cpu name.
28545         (override_options): Set Atom ISA.
28546         (ix86_issue_rate): New case PROCESSOR_ATOM.
28547         (ix86_adjust_cost): Likewise.
28548
28549         * config/i386/i386.h (TARGET_ATOM): New target macro.
28550         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
28551         (TARGET_OPT_AGU): New target option.
28552         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
28553         (processor_type): Add PROCESSOR_ATOM.
28554
28555         * config/i386/i386.md (cpu): Add new value "atom".
28556         (use_carry, movu): New attr.
28557         (atom.md): Include atom.md.
28558         (adddi3_carry_rex64): Set attr "use_carry".
28559         (addqi3_carry): Likewise.
28560         (addhi3_carry): Likewise.
28561         (addsi3_carry): Likewise.
28562         (*addsi3_carry_zext): Likewise.
28563         (subdi3_carry_rex64): Likewise.
28564         (subqi3_carry): Likewise.
28565         (subhi3_carry): Likewise.
28566         (subsi3_carry): Likewise.
28567         (x86_movdicc_0_m1_rex64): Likewise.
28568         (*x86_movdicc_0_m1_se): Likewise.
28569         (x86_movsicc_0_m1): Likewise.
28570         (*x86_movsicc_0_m1_se): Likewise.
28571         (*adddi_1_rex64): Emit add insn as much as possible.
28572         (*addsi_1): Likewise.
28573         (return_internal): Set atom_unit.
28574         (return_internal_long): Likewise.
28575         (return_pop_internal): Likewise.
28576         (*rcpsf2_sse): Set atom_sse_attr attr.
28577         (*qrt<mode>2_sse): Likewise.
28578         (*prefetch_sse): Likewise.
28579
28580         * config/i386/i386-c.c (ix86_target_macros_internal): New case
28581         PROCESSOR_ATOM.
28582         (ix86_target_macros_internal): Likewise.
28583
28584         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
28585         (*prefetch_sse_rex): Likewise.
28586         (sse_rcpv4sf2): Likewise.
28587         (sse_vmrcpv4sf2): Likewise.
28588         (sse_sqrtv4sf2): Likewise.
28589         (<sse>_vmsqrt<mode>2): Likewise.
28590         (sse_ldmxcsr): Likewise.
28591         (sse_stmxcsr): Likewise.
28592         (*sse_sfence): Likewise.
28593         (sse2_clflush): Likewise.
28594         (*sse2_mfence): Likewise.
28595         (*sse2_lfence): Likewise.
28596         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
28597         (<sse>_movup<ssemodesuffixf2c>): Likewise.
28598         (avx_movdqu<avxmodesuffix>): Likewise.
28599         (avx_lddqu<avxmodesuffix>): Likewise.
28600         (sse2_movntv2di): Change attr "type" to "ssemov".
28601         (sse2_movntsi): Likewise.
28602         (rsqrtv8sf2): Change attr "type" to "sseadd".
28603         (sse3_addsubv2df3): Set attr "atom_unit".
28604         (sse3_h<plusminus_insn>v4sf3): Likewise.
28605         (*sse2_pmaddwd): Likewise.
28606         (*vec_extractv2di_1_rex64): Likewise.
28607         (*vec_extractv2di_1_avx): Likewise.
28608         (sse2_psadbw): Likewise.
28609         (ssse3_phaddwv8hi3): Likewise.
28610         (ssse3_phaddwv4hi3): Likewise.
28611         (ssse3_phadddv4si3): Likewise.
28612         (ssse3_phadddv2si3): Likewise.
28613         (ssse3_phaddswv8hi3): Likewise.
28614         (ssse3_phaddswv4hi3): Likewise.
28615         (ssse3_phsubwv8hi3): Likewise.
28616         (ssse3_phsubwv4hi3): Likewise.
28617         (ssse3_phsubdv4si3): Likewise.
28618         (ssse3_phsubdv2si3): Likewise.
28619         (ssse3_phsubswv8hi3): Likewise.
28620         (ssse3_phsubswv4hi3): Likewise.
28621         (ssse3_pmaddubsw128): Likewise.
28622         (sse3_pmaddubsw: Likewise.
28623         (ssse3_palignrti): Likewise.
28624         (ssse3_palignrdi): Likewise.
28625
28626 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
28627
28628         * doc/install.texi (Specific): Fix two cross-references to MinGW.
28629
28630 2009-04-06  Richard Guenther  <rguenther@suse.de>
28631
28632         PR tree-optimization/28868
28633         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
28634         of which PHI results we inserted.
28635         (insert_into_preds_of_block): Record inserted PHIs.
28636         (eliminate): Eliminate redundant PHI nodes.
28637         (init_pre): Init inserted_phi_names.
28638
28639 2009-04-06  Richard Guenther  <rguenther@suse.de>
28640
28641         PR tree-optimization/39643
28642         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
28643         IMAGPART_EXPRs of complex constants.
28644         (execute_fold_all_builtins): If we folded a call queue
28645         TODO_update_address_taken.
28646
28647 2009-04-06  Jan Hubicka  <jh@suse.cz>
28648
28649         PR middle-end/39659
28650         * except.c (remove_unreachable_regions): Propagate may_contain_throw
28651         flag.
28652
28653 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
28654
28655         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
28656         delay slot.
28657         (ic_invalidate_array): Likewise.
28658
28659 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
28660
28661         * calls.c (emit_library_call_value_1): Fix a problem with parameter
28662         alignment for library calls.
28663
28664 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
28665
28666         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
28667         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
28668         * config/i386/mingw-stdint.h:  New file.
28669
28670 2009-04-05  Richard Guenther  <rguenther@suse.de>
28671
28672         PR tree-optimization/39648
28673         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
28674         our &A vs. &A[0] IL deficiencies.
28675
28676 2009-04-04  Jan Hubicka  <jh@suse.cz>
28677
28678         * except.c (sjlj_find_directly_reachable_regions): Be ready for
28679         removed toplevel regions.
28680         (sjlj_mark_call_sites): Likewise.
28681
28682 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
28683
28684         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
28685         (cygwin tm clause use_gcc_stdint):  Set to wrap.
28686         * config/i386/cygwin-stdint.h:  New file.
28687
28688 2009-04-04  Richard Guenther  <rguenther@suse.de>
28689
28690         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
28691         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
28692         single-argument PHIs if we are in loop-closed SSA form.
28693         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
28694         for the pre-condition.
28695         (slpeel_tree_peel_loop_to_edge): Likewise.
28696         (vect_build_loop_niters): Take an optional sequence to append stmts.
28697         (vect_generate_tmps_on_preheader): Likewise.
28698         (vect_do_peeling_for_loop_bound): Take extra guards for the
28699         pre-condition.
28700         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
28701         the cost model check.
28702         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
28703         guards if we are going to peel.  Do not apply versioning in that case.
28704         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
28705         (vect_do_peeling_for_loop_bound): Likewise.
28706         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
28707         loop bound only record extra pre-conditions, do not apply loop
28708         versioning.
28709
28710 2009-04-04  Richard Guenther  <rguenther@suse.de>
28711
28712         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
28713         renaming code.
28714
28715 2009-04-04  Jan Hubicka  <jh@suse.cz>
28716
28717         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
28718         last_basic_block for size of bb->index indexed array.
28719         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
28720         compute_out, link_btr_uses, build_btr_def_use_webs,
28721         build_btr_def_use_webs, migrate_btr_defs): Likewise.
28722
28723 2009-04-04  Jan Hubicka  <jh@suse.cz>
28724
28725         * except.c (remove_eh_handler_and_replace): Break out from ...
28726         (remove_eh_handler): ... here.
28727         (bring_to_root): New function.
28728         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
28729         handled ones, bring others to root of tree.
28730
28731 2009-04-04  Jan Hubicka  <jh@suse.cz>
28732
28733         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
28734         (all_phis_safe_to_merge): New function.
28735         (update_info): New structure.
28736         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
28737         (cleanup_empty_eh): Update SSA if possible.
28738
28739 2009-04-04  Richard Guenther  <rguenther@suse.de>
28740
28741         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
28742         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
28743         (append_vuse): Likewise.
28744
28745 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
28746
28747         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
28748         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
28749         instead of REG_UNSAVED for DW_CFA_undefined.
28750         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
28751         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
28752         outermost frame.
28753
28754 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
28755
28756         PR target/39501
28757         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
28758
28759 2009-04-04  Richard Guenther  <rguenther@suse.de>
28760
28761         PR tree-optimization/8781
28762         PR tree-optimization/37892
28763         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
28764         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
28765         (valueize_refs): Call it for *& valueizations.
28766         (shared_reference_ops_from_ref): Rename to ...
28767         (valueize_shared_reference_ops_from_ref): ... this and valueize.
28768         (shared_reference_ops_from_call): Rename to ...
28769         (valueize_shared_reference_ops_from_call): ... this and valueize.
28770         (vn_reference_lookup): Update.
28771         (visit_reference_op_call): Likewise.
28772         * tree-ssa-pre.c (phi_translate_1): Fold *&.
28773         (eliminate): Value-replace the call address in call statements.
28774
28775 2009-04-04  Richard Guenther  <rguenther@suse.de>
28776
28777         PR tree-optimization/39636
28778         * tree-ssa-forwprop.c
28779         (forward_propagate_addr_into_variable_array_index): Check for
28780         GIMPLE_ASSIGN before accessing the rhs code.
28781
28782 2009-04-03  Jason Merrill  <jason@redhat.com>
28783
28784         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
28785
28786 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
28787
28788         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
28789         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
28790         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
28791         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
28792         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
28793         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
28794         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
28795         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
28796         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
28797         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
28798         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
28799         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
28800         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
28801         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
28802         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
28803         Use fr_reg_or_fp01_operand instead of fr_register_operand
28804
28805         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
28806         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
28807         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
28808
28809 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
28810
28811         PR rtl-optimization/39607
28812         PR rtl-optimization/39631
28813
28814         Revert:
28815
28816         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
28817         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
28818         instead of DF_LR_OUT.
28819         * ira-lives.c (process_bb_node_lives): Ditto.
28820         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
28821         instead of DF_LR_{OUT,IN}.
28822         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
28823         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
28824
28825 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
28826
28827         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
28828         (execute_lower_omp): Always run but take the short way out if -fopenmp
28829         is not given.
28830         (gate_lower_omp): Remove, forcing the pass manager to always run the
28831         pass and always set PROP_gimple_lomp.
28832         (pass_lower_omp): Remove gate function.
28833         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
28834         PROP_trees.  Instead, require it.
28835         * ipa-cp.c (pass_ipa_cp): Likewise.
28836         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
28837         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
28838         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
28839         and PROP_gimple_leh.
28840
28841 2009-04-03  Richard Guenther  <rguenther@suse.de>
28842
28843         PR middle-end/13146
28844         PR tree-optimization/23940
28845         PR tree-optimization/33237
28846         PR middle-end/33974
28847         PR middle-end/34093
28848         PR tree-optimization/36201
28849         PR tree-optimization/36230
28850         PR tree-optimization/38049
28851         PR tree-optimization/38207
28852         PR tree-optimization/38230
28853         PR tree-optimization/38301
28854         PR tree-optimization/38585
28855         PR middle-end/38895
28856         PR tree-optimization/38985
28857         PR tree-optimization/39299
28858         * tree-ssa-structalias.h: Remove.
28859         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
28860         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
28861         (struct vuse_element_d): Remove.
28862         (struct vuse_vec_d): Likewise.
28863         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
28864         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
28865         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
28866         VUSE_ELEMENT_VAR): Likewise.
28867         (struct voptype_d): Likewise.
28868         (NUM_VOP_FREE_BUCKETS): Likewise.
28869         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
28870         (struct stmt_operands_d): Remove.
28871         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
28872         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
28873         VDEF_NUM, VDEF_VECT): Likewise.
28874         (copy_virtual_operands): Remove.
28875         (operand_build_cmp): Likewise.
28876         (create_ssa_artificial_load_stmt): Likewise.
28877         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
28878         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
28879         vuse_index and mayuse_index members.  Pack and move done and iter_type
28880         members to the front.
28881         (SSA_OP_VMAYUSE): Remove.
28882         (SSA_OP_VIRTUAL_USES): Adjust.
28883         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
28884         (unlink_stmt_vdef): Declare.
28885         (add_to_addressable_set): Remove.
28886         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
28887         (vrp_visit_stmt): Likewise.
28888         * doc/tree-ssa.texi (Alias analysis): Update.
28889         * doc/invoke.texi (max-aliased-vops): Remove docs.
28890         (avg-aliased-vops): Likewise.
28891         * tree-into-ssa.c (syms_to_rename): Remove.
28892         (need_to_update_vops_p): Likewise.
28893         (need_to_initialize_update_ssa_p): Rename to ...
28894         (update_ssa_initialized_fn): ... this.  Track function we are
28895         initialized for.
28896         (symbol_marked_for_renaming): Simplify.
28897         (add_new_name_mapping): Do not set need_to_update_vops_p.
28898         (dump_currdefs): Use SYMS_TO_RENAME.
28899         (rewrite_update_stmt): Always walk all uses/defs.
28900         (dump_update_ssa): Adjust.
28901         (init_update_ssa): Take function argument.  Track what we are
28902         initialized for.
28903         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
28904         (create_new_def_for): Initialize for cfun, assert we are initialized
28905         for cfun.
28906         (mark_sym_for_renaming): Simplify.
28907         (mark_set_for_renaming): Do not initialize update-ssa.
28908         (need_ssa_update_p): Simplify.  Take function argument.
28909         (name_mappings_registered_p): Assert we ask for the correct function.
28910         (name_registered_for_update_p): Likewise.
28911         (ssa_names_to_replace): Likewise.
28912         (release_ssa_name_after_update_ssa): Likewise.
28913         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
28914         (dump_decl_set): Do not print a newline.
28915         (debug_decl_set): Do it here.
28916         (dump_update_ssa): And here.
28917         * tree-ssa-loop-im.c (move_computations): Adjust.
28918         (movement_possibility): Likewise.
28919         (determine_max_movement): Likewise.
28920         (gather_mem_refs_stmt): Likewise.
28921         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
28922         or NAME_MEMORY_TAG.
28923         * tree-complex.c (update_all_vops): Remove.
28924         (expand_complex_move): Adjust.
28925         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
28926         Simplify test for memory referencing statement.  Exclude
28927         non-invariant ADDR_EXPRs.
28928         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
28929         * tree-loop-distribution.c (generate_memset_zero): Adjust.
28930         (rdg_flag_uses): Likewise.
28931         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
28932         related code.
28933         (tree_optimize_tail_calls_1): Also split the
28934         edge from the entry block if we have degenerate PHI nodes in
28935         the first basic block.
28936         * tree.c (init_ttree): Remove memory-tag related code.
28937         (tree_code_size): Likewise.
28938         (tree_node_structure): Likewise.
28939         (build7_stat): Re-write to be build6_stat.
28940         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
28941         (SSA_VAR_P): Adjust.
28942         (struct tree_memory_tag): Remove.
28943         (struct tree_memory_partition_tag): Likewise.
28944         (union tree_node): Adjust.
28945         (build7): Re-write to be build6.
28946         * tree-pass.h (pass_reset_cc_flags): Remove.
28947         (TODO_update_address_taken): New flag.
28948         (pass_simple_dse): Remove.
28949         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
28950         * params.h (MAX_ALIASED_VOPS): Remove.
28951         (AVG_ALIASED_VOPS): Likewise.
28952         * omp-low.c (expand_omp_taskreg): Update SSA form.
28953         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
28954         aliases the lhs in a copy stmt.
28955         * tree-ssa-dse.c (struct address_walk_data): Remove.
28956         (memory_ssa_name_same): Likewise.
28957         (memory_address_same): Likewise.
28958         (get_kill_of_stmt_lhs): Likewise.
28959         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
28960         unused stores.  Look through PHI nodes into post-dominated regions.
28961         (dse_optimize_stmt): Simplify.  Properly remove stores.
28962         (tree_ssa_dse): Compute dominators.
28963         (execute_simple_dse): Remove.
28964         (pass_simple_dse): Likewise.
28965         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
28966         gimple_loaded_syms and gimple_stored_syms computation.
28967         * toplev.c (dump_memory_report): Dump alias and pta stats.
28968         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
28969         (vn_reference_eq): Likewise.
28970         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
28971         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
28972         valueize_vuses): Remove.
28973         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
28974         (get_def_ref_stmt_vuse): ... this.
28975         (vn_reference_lookup_2): New function.
28976         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
28977         walking equivalent vuses.  Simplify.
28978         (vn_reference_lookup): Likewise.
28979         (vn_reference_insert): Likewise.
28980         (vn_reference_insert_pieces): Likewise.
28981         (visit_reference_op_call): Simplify.
28982         (visit_reference_op_load): Likewise.
28983         (visit_reference_op_store): Likewise.
28984         (init_scc_vn): Remove shared_lookup_vuses initialization.
28985         (free_scc_vn): Remove shared_lookup_vuses freeing.
28986         (sort_vuses, sort_vuses_heap): Remove.
28987         (get_ref_from_reference_ops): Export.
28988         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
28989         vector with single vuse pointer.
28990         (vn_reference_lookup_pieces, vn_reference_lookup,
28991         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
28992         (shared_vuses_from_stmt): Remove.
28993         (get_ref_from_reference_ops): Declare.
28994         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
28995         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
28996         memory-tag related code.
28997         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
28998         (likely_value): Add comment, skip static-chain of call statements.
28999         (surely_varying_stmt_p): Adjust.
29000         (gimplify_and_update_call_from_tree): Likewise.
29001         (execute_fold_all_builtins): Do not rebuild alias info.
29002         (gimplify_and_update_call_from_tree): Properly update VOPs.
29003         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
29004         (copy_ref_info): Remove memory-tag related code.
29005         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
29006         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
29007         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
29008         computation.
29009         * tree-ssa-dom.c (gimple_p): Remove typedef.
29010         (eliminate_redundant_computations): Adjust.
29011         (record_equivalences_from_stmt): Likewise.
29012         (avail_expr_hash): Likewise.
29013         (avail_expr_eq): Likewise.
29014         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
29015         (stmt_makes_single_load): Likewise.
29016         (stmt_makes_single_store): Likewise.
29017         * tree-ssa-alias.c: Rewrite completely.
29018         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
29019         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
29020         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
29021         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
29022         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
29023         Remove public functions.
29024         (pass_reset_cc_flags): Remove.
29025         (pass_build_alias): Move ...
29026         * tree-ssa-structalias.c (pass_build_alias): ... here.
29027         * tree-ssa-alias.c (may_be_aliased): Move ...
29028         * tree-flow-inline.h (may_be_aliased): ... here.
29029         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
29030         count_uses_and_derefs): Move ...
29031         * gimple.c: ... here.
29032         * gimple.h (count_uses_and_derefs): Declare.
29033         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
29034         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
29035         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
29036         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
29037         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
29038         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
29039         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
29040         New functions.
29041         * tree-dfa.c (refs_may_alias_p): Move ...
29042         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
29043         * tree-ssa-alias.h: New file.
29044         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
29045         (statement_sink_location): Likewise.
29046         * opts.c (decode_options): Do not adjust max-aliased-vops or
29047         avg-aliased-vops values.
29048         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
29049         (TV_CALL_CLOBBER): Likewise.
29050         (TV_FLOW_SENSITIVE): Likewise.
29051         (TV_FLOW_INSENSITIVE): Likewise.
29052         (TV_MEMORY_PARTITIONING): Likewise.
29053         (TV_ALIAS_STMT_WALK): New timevar.
29054         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
29055         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
29056         (get_address_description): Remove memory-tag related code.
29057         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
29058         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
29059         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
29060         and immediate uses in statements.  Document.
29061         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
29062         (dump_symbols): Remove.
29063         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
29064         * alias.c (get_deref_alias_set): New function split out from ...
29065         (get_alias_set): ... here.
29066         * alias.h (get_deref_alias_set): Declare.
29067         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
29068         type parameter.  Remove restrict pointer handling.  Create a
29069         ref-all pointer in case type-based alias sets do not conflict.
29070         (vect_analyze_data_refs): Remove SMT related code.
29071         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
29072         (vectorizable_load): Likewise.
29073         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
29074         (DR_SYMBOL_TAG, DR_VOPS): Remove.
29075         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
29076         Ignore vops and SMTs.
29077         (dr_analyze_alias): Likewise..
29078         (free_data_ref): Likewise.
29079         (create_data_ref): Likewise.
29080         (analyze_all_data_dependences): Likewise.
29081         (get_references_in_stmt): Adjust.
29082         * tree-flow-inline.h (gimple_aliases_computed_p,
29083         gimple_addressable_vars, gimple_call_clobbered_vars,
29084         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
29085         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
29086         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
29087         gimple_mem_ref_stats): Remove.
29088         (gimple_vop): New function.
29089         (op_iter_next_use): Remove vuses and mayuses cases.
29090         (op_iter_next_def): Remove vdefs case.
29091         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
29092         (clear_and_done_ssa_iter): Do not set removed fields.
29093         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
29094         Assert we are not iterating over vuses or vdefs if not also
29095         iterating over uses or defs.
29096         (op_iter_init_use): Likewise.
29097         (op_iter_init_def): Likewise.
29098         (op_iter_next_vdef): Remove.
29099         (op_iter_next_mustdef): Likewise.
29100         (op_iter_init_vdef): Likewise.
29101         (compare_ssa_operands_equal): Likewise.
29102         (link_use_stmts_after): Handle vuse operand.
29103         (is_call_used): Use is_call_clobbered.
29104         (is_call_clobbered): Global variables are always call clobbered,
29105         query the call-clobbers bitmap.
29106         (mark_call_clobbered): Ignore global variables.
29107         (clear_call_clobbered): Likewise.
29108         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
29109         virtual operands sanity check.
29110         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
29111         Remove.
29112         (TARGET_MEM_REF): Remove TMR_TAG operand.
29113         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
29114         Remove call-clobber related code.
29115         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
29116         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
29117         partitions or escape reason.
29118         (get_single_def_stmt, get_single_def_stmt_from_phi,
29119         get_single_def_stmt_with_phi): Remove.
29120         (dump_referenced_vars): Tidy.
29121         (get_ref_base_and_extent): Allow bare decls.
29122         (collect_dfa_stats): Adjust.
29123         * graphite.c (rename_variables_in_stmt): Adjust.
29124         (graphite_copy_stmts_from_block): Likewise.
29125         (translate_clast): Likewise.
29126         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
29127         (EXPR_DIES): New.
29128         (translate_vuse_through_block): Use the oracle.
29129         (phi_translate_1): Adjust.
29130         (value_dies_in_block_x): Use the oracle.  Cache the outcome
29131         in EXPR_DIES.
29132         (valid_in_sets): Check if the VUSE for
29133         a REFERENCE is available.
29134         (eliminate): Do not remove stmts during elimination,
29135         instead queue and remove them afterwards.
29136         (do_pre): Do not rebuild alias info.
29137         (pass_pre): Run TODO_rebuild_alias before PRE.
29138         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
29139         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
29140         (mark_all_v_defs_stmt): Remove.
29141         (mark_all_v_defs_seq): Adjust.
29142         (sra_replace): Likewise.
29143         (scalarize_use): Likewise.
29144         (scalarize_copy): Likewise.
29145         (scalarize_init): Likewise.
29146         (scalarize_ldst): Likewise.
29147         (todoflags): Remove.
29148         (tree_sra): Do not rebuild alias info.
29149         (tree_sra_early): Adjust.
29150         (pass_sra): Run TODO_update_address_taken before SRA.
29151         * tree-predcom.c (set_alias_info): Remove.
29152         (prepare_initializers_chain): Do not call it.
29153         (mark_virtual_ops_for_renaming): Adjust.
29154         (mark_virtual_ops_for_renaming_list): Remove.
29155         (initialize_root_vars): Adjust.
29156         (initialize_root_vars_lm): Likewise.
29157         (prepare_initializers_chain): Likewise.
29158         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
29159         (may_propagate_copy_into_stmt): Likewise.
29160         (merge_alias_info): Do nothing for now.
29161         (propagate_tree_value_into_stmt): Adjust.
29162         (stmt_may_generate_copy): Likewise.
29163         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
29164         not mark symbols for renaming.
29165         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
29166         with the same statement, make sure to update the new pointed-to one.
29167         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
29168         call statements, do not mark symbols for renaming.
29169         (mark_operand_necessary): Dump something.
29170         (ref_may_be_aliased): New function.
29171         (mark_aliased_reaching_defs_necessary_1): New helper function.
29172         (mark_aliased_reaching_defs_necessary): Likewise.
29173         (mark_all_reaching_defs_necessary_1): Likewise.
29174         (mark_all_reaching_defs_necessary): Likewise.
29175         (propagate_necessity): Do not process virtual PHIs.  For
29176         non-aliased loads mark all reaching definitions as necessary.
29177         For aliased loads and stores mark the immediate dominating
29178         aliased clobbers as necessary.
29179         (visited): New global static.
29180         (perform_tree_ssa_dce): Free visited bitmap after propagating
29181         necessity.
29182         (remove_dead_phis): Perform simple dead virtual PHI removal.
29183         (remove_dead_stmt): Properly unlink virtual operands when
29184         removing stores.
29185         (eliminate_unnecessary_stmts): Schedule PHI removal after
29186         stmt removal.
29187         * tree-ssa-ter.c (is_replaceable_p): Adjust.
29188         (process_replaceable): Likewise.
29189         (find_replaceable_in_bb): Likewise.
29190         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
29191         based on the single gimple vop.
29192         (verify_flow_insensitive_alias_info): Remove.
29193         (verify_flow_sensitive_alias_info): Likewise.
29194         (verify_call_clobbering): Likewise.
29195         (verify_memory_partitions): Likewise.
29196         (verify_alias_info): Likewise.
29197         (verify_ssa): Adjust..
29198         (execute_update_addresses_taken): Export.  Update SSA
29199         manually.  Optimize only when optimizing.  Use a local bitmap.
29200         (pass_update_address_taken): Remove TODO_update_ssa, add
29201         TODO_dump_func.
29202         (pass_update_address_taken): Just use TODO_update_address_taken.
29203         (init_tree_ssa): Do not initialize addressable_vars.
29204         (verify_ssa): Verify new VUSE / VDEF properties.
29205         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
29206         Do not call verify_alias_info.
29207         (delete_tree_ssa): Clear the VUSE, VDEF operands.
29208         Do not free the loaded and stored syms bitmaps.  Reset the escaped
29209         and callused solutions.  Do not free addressable_vars.
29210         Remove memory-tag related code.
29211         (warn_uninitialized_var): Aliases are always available.
29212         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
29213         * lambda-code.c (can_put_in_inner_loop): Adjust.
29214         (can_put_after_inner_loop): Likewise.
29215         (perfect_nestify): Likewise.
29216         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
29217         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
29218         (vectorizable_conversion): Do not mark symbols for renaming.
29219         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
29220         (expand_call_inline): Unlink the calls virtual operands before
29221         replacing it.
29222         (tree_function_versioning): Do not call update_ssa if we are not
29223         updating clones.  Simplify.
29224         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
29225         (propagate_with_phi): Likewise..
29226         * tree-outof-ssa.c (create_temp): Remove memory tag and call
29227         clobber code.  Assert we are not aliased or global.
29228         * tree-flow.h: Include tree-ssa-alias.h
29229         (enum escape_type): Remove.
29230         (struct mem_sym_stats_d): Likewise.
29231         (struct mem_ref_stats_d): Likewise.
29232         (struct gimple_df): Add vop member.  Remove global_var,
29233         call_clobbered_vars, call_used_vars, addressable_vars,
29234         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
29235         escaped and callused members.
29236         (struct ptr_info_def): Remove all members, add points-to solution
29237         member pt.
29238         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
29239         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
29240         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
29241         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
29242         (tree-ssa-alias.o): Likewise.
29243         (toplev.o): Add tree-ssa-alias.h
29244         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
29245         * gimple.c (gimple_set_bb): Fix off-by-one error.
29246         (is_gimple_reg): Do not handle memory tags.
29247         (gimple_copy): Also copy virtual operands.
29248         Delay updating the statement.  Do not reset loaded and stored syms.
29249         (gimple_set_stored_syms): Remove.
29250         (gimple_set_loaded_syms): Likewise.
29251         (gimple_call_copy_skip_args): Copy the virtual operands
29252         and mark the new statement modified.
29253         * tree-ssa-structalias.c (may_alias_p): Remove.
29254         (set_uids_in_ptset): Take the alias set to prune with as
29255         parameter.  Fold in the alias test of may_alias_p.
29256         (compute_points_to_sets): Compute whether a ptr is dereferenced
29257         in a local sbitmap.
29258         (process_constraint): Deal with &ANYTHING on the lhs, reject all
29259         other ADDRESSOF constraints on the lhs.
29260         (get_constraint_for_component_ref): Assert that we don't get
29261         ADDRESSOF constraints from the base of the reference.
29262         Properly generate UNKNOWN_OFFSET for DEREF if needed.
29263         (struct variable_info): Remove collapsed_to member.
29264         (get_varinfo_fc): Remove.
29265         (new_var_info): Do not set collapsed_to.
29266         (dump_constraint): Do not follow cycles.
29267         (dump_constraint_graph): Likewise.
29268         (build_pred_graph): Likewise.
29269         (build_succ_graph): Likewise.
29270         (rewrite_constraints): Likewise.
29271         (do_simple_structure_copy): Remove.
29272         (do_rhs_deref_structure_copy): Remove.
29273         (do_lhs_deref_structure_copy): Remove.
29274         (collapse_rest_of_var): Remove.
29275         (do_structure_copy): Re-implement.
29276         (pta_stats): New global variable.
29277         (dump_pta_stats): New function.
29278         (struct constraint_expr): Make offset signed.
29279         (UNKNOWN_OFFSET): Define special value.
29280         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
29281         (solution_set_expand): New helper function split out from ...
29282         (do_sd_constraint): ... here.
29283         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
29284         (do_ds_constraint): Likewise.
29285         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
29286         and CALLUSED = *CALLUSED.
29287         (set_union_with_increment): Make inc argument signed.
29288         (type_safe): Remove.
29289         (get_constraint_for_ptr_offset): Handle unknown and negative
29290         constant offsets.
29291         (first_vi_for_offset): Handle offsets before start.  Bail
29292         out early for offsets beyond the variable extent.
29293         (first_or_preceding_vi_for_offset): New function.
29294         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
29295         Together with ESCAPED = *ESCAPED this properly computes reachability.
29296         (find_what_var_points_to): New function.
29297         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
29298         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
29299         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
29300         pt_solutions_intersect): New functions.
29301         (compute_call_used_vars): Remove.
29302         (compute_may_aliases): New main entry into PTA computation.
29303         * gimple.h (gimple_p): New typedef.
29304         (struct gimple_statement_base): Remove references_memory_p.
29305         (struct gimple_statement_with_memory_ops_base): Remove
29306         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
29307         members.
29308         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
29309         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
29310         gimple_set_references_memory): Remove.
29311         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
29312         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
29313         New functions.
29314         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
29315         (verify_expr): Allow RESULT_DECL.
29316         (gimple_duplicate_bb): Do not copy virtual operands.
29317         (gimple_duplicate_sese_region): Adjust.
29318         (gimple_duplicate_sese_tail): Likewise.
29319         (mark_virtual_ops_in_region): Remove.
29320         (move_sese_region_to_fn): Do not call it.
29321         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
29322         and pass_simple_dse.
29323         (execute_function_todo): Handle TODO_update_address_taken,
29324         call execute_update_addresses_taken for TODO_rebuild_alias.
29325         (execute_todo): Adjust.
29326         (execute_one_pass): Init dump files early.
29327         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
29328         call-clobbered.
29329         (create_general_new_stmt): Clear vops.
29330         * tree-ssa-reassoc.c (get_rank): Adjust.
29331         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
29332         symbols for renaming.
29333         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
29334         (PARAM_AVG_ALIASED_VOPS): Likewise.
29335         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
29336         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
29337         * tree-ssa-operands.c: Simplify for new virtual operand representation.
29338         (operand_build_cmp, copy_virtual_operands,
29339         create_ssa_artificial_load_stmt, add_to_addressable_set,
29340         gimple_add_to_addresses_taken): Remove public functions.
29341         (unlink_stmt_vdef): New function.
29342
29343 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
29344
29345         * config.gcc (powerpc-*-linux*): Merge variants.
29346
29347 2009-04-02  Chao-ying Fu  <fu@mips.com>
29348             James Grosbach  <james.grosbach@microchip.com>
29349
29350         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
29351         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
29352         cop0_sp_offset.
29353         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
29354         keep_interrupts_masked_p, use_debug_exception_return_p.
29355         (mips_attribute_table): Add interrupt, use_shadow_register_set,
29356         keep_interrupts_masked, use_debug_exception_return.
29357         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
29358         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
29359         New functions.
29360         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
29361         (mips_print_operand): Process COP0 registers to print $0 .. $31
29362         correctly for GAS to process.
29363         (mips_interrupt_extra_call_saved_reg_p): New function.
29364         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
29365         extra registers.
29366         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
29367         (mips_compute_frame_info): Add supports for interrupt context that
29368         includes doubleword accumulators and COP0 registers.
29369         (mips_for_each_saved_acc): New function.
29370         (mips_for_each_saved_gpr_and_fpr): Change the function name from
29371         mips_for_each_saved_reg.
29372         (mips_save_reg): Save accumulators.
29373         (mips_kernel_reg_p): A new for_each_rtx callback.
29374         (mips_expand_prologue): Support interrupt handlers.
29375         (mips_restore_reg): Restore accumulators.
29376         (mips_expand_epilogue): Support interrupt handlers.
29377         (mips_can_use_return_insn): Return false for interrupt handlers.
29378         (mips_epilogue_uses): New function.
29379         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
29380         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
29381         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
29382         cop0_move): New instructions.
29383         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
29384         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
29385         defines.
29386         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
29387         New defines.
29388         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
29389         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
29390         interrupt handlers, we use K0 as the temporary register.
29391         (EPILOGUE_USES): Change to a function call.
29392         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
29393         handlers, we use K0 as the temporary register.
29394
29395         * doc/extend.texi (Function Attributes): Document interrupt,
29396         use_shadow_register_set, keep_interrupts_masked,
29397         use_debug_exception_return for MIPS attributes.
29398
29399 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
29400
29401         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
29402         Remove a number of t-files from tmake_file.
29403         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
29404         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
29405         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
29406         target_prototype, not TARGET_PROTOTYPE.
29407         (LINK_OS_GNU_SPEC): Define.
29408         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
29409         and darwin-ldoubdle.c.
29410
29411 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
29412
29413         PR driver/39293
29414         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
29415         (cpp_options): Ditto.
29416         (default_compilers): Ditto.
29417         (display_help): Ditto.
29418         (process_command): Ditto.
29419         (do_spec_1): Ditto.
29420         (set_input): Use lbasename instead of duplicate code.
29421         (save_temps_prefix): New static for -save-temps=obj.
29422         (save_temps_length): Ditto.
29423
29424         * doc/invoke.texi (-save-temps=obj): Document new variant to
29425         -save-temps switch.
29426
29427 2009-04-02  Jeff Law  <law@redhat.com>
29428
29429         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
29430         variable.
29431
29432 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
29433
29434         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
29435         * configure: Regenerated.
29436
29437 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
29438
29439         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
29440         share the argument list.
29441
29442 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
29443
29444         Merge
29445
29446         2009-02-12  Diego Novillo  <dnovillo@google.com>
29447
29448         * varpool.c (debug_varpool): New.
29449         * cgraph.h (debug_varpool): Declare.
29450
29451 2009-04-02  Jan Hubicka  <jh@suse.cz>
29452
29453         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
29454         pass.
29455
29456 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
29457
29458         * config/i386/i386.c (ix86_abi): Move initialization to ...
29459         (override_options): Here.
29460
29461 2009-04-02  Christian Bruel  <christian.bruel@st.com>
29462
29463         * config/sh/sh.c (sh_dwarf_register_span): New function.
29464         (TARGET_DWARF_REGISTER_SPAN): Define.
29465         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
29466
29467 2009-04-02  Ira Rosen  <irar@il.ibm.com>
29468
29469         PR tree-optimization/39595
29470         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
29471         interleaved loads group is not  greater than the SLP group size.
29472
29473 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
29474
29475         * builtins.c (is_builtin_name): New.
29476         (called_as_built_in): Use is_builtin_name.
29477         * tree.h (is_builtin_name): New.
29478         * varasm.c (incorporeal_function_p): Use is_builtin_name
29479
29480 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
29481
29482         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
29483
29484 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
29485
29486         PR c++/26693
29487         * c-decl.c (clone_underlying_type): Move this ...
29488         * c-common.c (set_underlying_type): ... here.
29489         Also, make sure the function properly sets TYPE_STUB_DECL() on
29490         the newly created typedef variant type.
29491         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
29492         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
29493         points.
29494
29495 2009-04-02  Richard Guenther  <rguenther@suse.de>
29496
29497         PR tree-optimization/37221
29498         * tree-flow.h (degenerate_phi_result): Declare.
29499         * tree-ssa-dom.c (degenerate_phi_result): Export.
29500         * tree-scalar-evolution.c (analyze_initial_condition): If
29501         the initial condition is defined by a degenerate PHI node
29502         use the degenerate value.
29503
29504 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
29505
29506         PR rtl-optimization/39588
29507         * combine.c (merge_outer_ops): Do not set the constant when this
29508         is not necessary.
29509         (simplify_shift_const_1): Do not modify it either in this case.
29510
29511 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
29512
29513         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
29514         tuning is deprecated if -mtune value is set to an Itanium1 variant.
29515
29516 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
29517
29518         PR c/29027
29519         * c-lex.c (interpret_float): Default (no suffix) is double.
29520
29521 2009-04-1  Xinliang David Li  <davidxl@google.com>
29522
29523         * config/i386/i386.c (legitimate_constant_p): Recognize
29524         all one vector constant.
29525
29526 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
29527
29528         * config/vax/vax.c: Add #includes to silence warnings.
29529         Change #include order to silence two warnings.
29530
29531 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
29532
29533         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
29534         (ASM_SPEC): Pass -k to the assembler for PIC code.
29535
29536 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
29537
29538         * config.gcc: Add vax-*-linux* to the switch.
29539         * config/vax/linux.h: New file. (TARGET_VERSION,
29540         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
29541
29542 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
29543
29544         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
29545         Use predicate macros instead of GET_CODE() == foo.
29546         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
29547         ashlsi3, rotrsi3, <unnamed>): Likewise.
29548
29549 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
29550
29551         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
29552         jbbccihi, jbbccisi): Remova trailing whitespace.
29553         * config/vax/constraints.md: Likewise.
29554         * config/vax/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
29555         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
29556         * config/vax/predicates.md: Likewise.
29557         * config/vax/vax.c (print_operand_address, vax_output_int_move,
29558         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
29559         * config/vax/vax.h: Likewise.
29560         * config/vax/vax.md (nonlocal_goto): Likewise.
29561
29562 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
29563
29564         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
29565         (indirectable_address_p, adjacent_operands_p): Add spaces around
29566         braces.
29567         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
29568
29569 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
29570
29571         * config/vax/vax.c (legitimate_constant_address_p,
29572         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
29573         index_term_p, reg_plus_index_p, legitimate_address_p,
29574         vax_mode_dependent_address_p): Update comments to match functions
29575         modified by the recent int->bool conversion.
29576
29577 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
29578
29579         * config/vax/builtins.md: Update copyright message.
29580         * config/vax/constraints.md: Likewise.
29581         * config/vax/netbsd-elf.h: Likewise.
29582         * config/vax/predicates.md: Likewise.
29583         * config/vax/vax-protos.h: Likewise.
29584         * config/vax/vax.c: Likewise.
29585         * config/vax/vax.h: Likewise.
29586         * config/vax/vax.md: Likewise.
29587         * config/vax/vax.opt: Likewise.
29588
29589 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
29590
29591         * config/vax/builtins.md (ffssi2, ffssi2_internal,
29592         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
29593         * config/vax/constraints.md (B, R): Likewise.
29594         * config/vax/predicates.md (external_memory_operand,
29595         nonimmediate_addsub_di_operand): Likewise.
29596         * config/vax/vax.c (vax_output_int_add): Likewise.
29597         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
29598         untyped_call): Likewise.
29599
29600 2009-04-01  Matt Thomas  <matt@3am-software.com>
29601
29602         * config/vax/predicates.md: New file.
29603         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
29604         external_const_operand, nonsymbolic_operand, external_memory_operand,
29605         indirect_memory_operand, indexed_memory_operand,
29606         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
29607         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
29608         predicate.
29609         * config/vax/constraints.md: New file.
29610         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
29611         New constraint.
29612         * config/vax/builtins.md: New file.
29613         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
29614         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
29615         jbbccisi): Define.
29616         * config/vax/vax.opt (mqmath): Add option.
29617         * config/vax/vax.md (isfx): Extend with DI.
29618         (VAXintQH, VAXintQHSD): Define.
29619         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
29620         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
29621         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
29622         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
29623         (movdi): Update constraints and use vax_output_int_move().
29624         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
29625         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
29626         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
29627         nonlocal_goto): New.
29628         (mov<mode>): Extend accepted operand types.
29629         (subdi3_old): Rename from subdi3, change update constraints and use
29630         a new implementation.
29631         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
29632         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
29633         MOVE_RATIO, CLEAR_RATIO): Define.
29634         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
29635         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
29636         (PRINT_OPERAND): Redefine using a function instead of inlined code.
29637         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
29638         (split_quadword_operands): Make static and really allow variable
29639         splitting.
29640         (print_operand_address): Update for PIC generation.
29641         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
29642         indexable_address_p, fixup_mathdi_operand,
29643         vax_expand_addsub_di_operands, adjacent_operands_p): New.
29644         (vax_float_literal, legitimate_constant_p,
29645         indirectable_constant_address_p, index_term_p,
29646         reg_plus_index_p): Return bool instead of int.
29647         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
29648         where needed.
29649         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
29650         generation.
29651         (vax_output_conditional_branch): Indent.
29652         (legitimate_constant_address_p, indirectable_constant_address_p,
29653         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
29654         vax_mode_dependent_address_p): Return bool instead of int, update for
29655         PIC generation.
29656         * config/vax/vax-protos.h (legitimate_constant_address_p,
29657         legitimate_constant_p, legitimate_address_p,
29658         vax_mode_dependent_address_p): Change declaration to bool.
29659         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
29660         vax_expand_addsub_di_operands, vax_output_int_subtract,
29661         vax_output_movmemsi): Declare.
29662         (split_quadword_operands, vax_float_literal): Delete declaration.
29663         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
29664         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
29665         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
29666         ASM_OUTPUT_DWARF_PCREL): Define.
29667         (ASM_SPEC): Change definition to allow PIC generation.
29668
29669 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
29670
29671         * doc/sourcebuild.texi: Update front-end requirements.
29672
29673 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
29674
29675         PR target/39226
29676         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
29677         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
29678         (booldi3_internal3): Use boolean_or_operator instead of
29679         boolean_operator.
29680
29681 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
29682
29683         PR c/39605
29684         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
29685         declarator whose size is not an integer constant expression but
29686         folds to an integer constant, then treat it as a constant
29687         subsequently.
29688
29689 2009-04-01  Richard Guenther  <rguenther@suse.de>
29690
29691         * fold-const.c (fold_plusminus_mult_expr): Do not fold
29692         i * 4 + 2 to (i * 2 + 1) * 2.
29693
29694 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
29695
29696         PR c/37772
29697         * c-parser.c (c_parser_asm_statement): Skip until close paren and
29698         return if c_parser_asm_string_literal returned NULL.
29699
29700 2009-04-01  Nick Clifton  <nickc@redhat.com>
29701
29702         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
29703         already defined.
29704         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
29705         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
29706         other typedefs to avoid conflicts with libgcc2.c.  Define labels
29707         to gain 16-bit bit-manipulation functions from libgcc2.c and then
29708         include it.
29709         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
29710         to gain 16-bit trapping arithmetic functions from libgcc2.c and
29711         then include it.
29712
29713 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
29714
29715         * varasm.c (default_function_rodata_section): Declare DOT as
29716         const char*.
29717
29718 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
29719             Andrey Galkin  <agalkin@hypercom.com>
29720
29721         PR/39492
29722         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
29723         Make object_name unique for each process.
29724
29725 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
29726
29727         PR other/39591
29728         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
29729         addressable variables in the parallel that could go out of scope while
29730         running queued tasks.
29731
29732 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
29733
29734         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
29735         (CASE_VALUES_THRESHOLD): Redefine.
29736         * config/avr/avr.c (avr_override_options): Remove initialization of
29737         avr_case_values_threshold variable.
29738         (avr_case_values_threshold): Remove variable. Add new function.
29739         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
29740         * config/avr/avr.opt (mno-tablejump): Remove option.
29741         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
29742
29743 2009-04-01  DJ Delorie  <dj@redhat.com>
29744
29745         * varasm.c (default_function_rodata_section): Don't assume
29746         anything about where the first '.' in the section name is.
29747
29748 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
29749
29750         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
29751         rs6000_emit_stack_tie.
29752
29753 2009-03-31  Ian Lance Taylor  <iant@google.com>
29754
29755         * tree-eh.c (tree_remove_unreachable_handlers): Compare
29756         gimple_code with GIMPLE_RESX, not RESX.
29757
29758 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
29759
29760         * c-common.c (c_get_ident): New.
29761         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
29762
29763 2009-04-01  Ben Elliston  <bje@au.ibm.com>
29764
29765         * config/rs6000/sysv4.opt (msdata): Improve option description.
29766
29767 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
29768
29769         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
29770         (divdf3_internal_lat): Remove.
29771         (divxf3_internal_lat): Remove.
29772         (divxf3_internal_thr): Remove.
29773         (divxf): Use divxf3_internal.
29774         * config/ia64/div.md (divsf3_internal_lat): New.
29775         (divdf3_internal_lat): New.
29776         (divxf3_internal): New.
29777
29778 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
29779
29780         PR c/448
29781         * Makefile.in (USE_GCC_STDINT): Define.
29782         (stmp-int-hdrs): Install stdint.h if applicable.
29783         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
29784         if known.
29785         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
29786         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
29787         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
29788         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
29789         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
29790         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
29791         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
29792         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
29793         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
29794         (c_common_nodes_and_builtins): Initialize
29795         underlying_wchar_type_node.  Do not initialize
29796         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
29797         nodes for new types.
29798         (c_stddef_cpp_builtins): Define macros for new types.
29799         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
29800         Remove.
29801         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
29802         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
29803         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
29804         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
29805         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
29806         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
29807         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
29808         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
29809         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
29810         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
29811         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
29812         int16_type_node, int32_type_node, int64_type_node,
29813         uint8_type_node, uint16_type_node, c_uint32_type_node,
29814         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
29815         int_least32_type_node, int_least64_type_node,
29816         uint_least8_type_node, uint_least16_type_node,
29817         uint_least32_type_node, uint_least64_type_node,
29818         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
29819         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
29820         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
29821         uintptr_type_node): Define.
29822         * c-cppbuiltin.c (builtin_define_constants,
29823         builtin_define_type_minmax): New.
29824         (builtin_define_stdint_macros): Define more macros.
29825         (c_cpp_builtins): Define more limit macros.
29826         (type_suffix): New.
29827         (builtin_define_type_max): Define in terms of
29828         builtin_define_type_minmax.  Remove is_long parameter.  All
29829         callers changed.
29830         * config.gcc (use_gcc_stdint): Define.
29831         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
29832         Add newlib-stdint.h for generic targets.
29833         * config/glibc-stdint.h, config/newlib-stdint.h,
29834         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
29835         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
29836         * config/score/score.h (UINTPTR_TYPE): Define.
29837         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
29838         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
29839         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
29840         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
29841         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
29842         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
29843         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
29844         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
29845         * config/spu/spu.h (STDINT_LONG32): Define.
29846         * configure.ac (use_gcc_stdint): Substitute.
29847         * configure: Regenerate.
29848         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
29849         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
29850         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
29851         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
29852         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
29853         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
29854         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
29855         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
29856         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
29857         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
29858         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
29859         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
29860         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
29861         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
29862         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
29863         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
29864         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
29865         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
29866         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
29867         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
29868         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
29869         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
29870         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
29871         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
29872         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
29873         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
29874         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
29875         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
29876         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
29877
29878 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
29879
29880         * loop-iv.c (suitable_set_for_replacement): Renamed from
29881         simplify_using_assignment; changed to return bool and to accept new
29882         args DEST and SRC.  Return true iff we find a source/destination pair
29883         that can be used to make a replacement, and fill SRC and DEST if so.
29884         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
29885         changed.
29886         (simplify_using_initial_values): Deal with altered regs here and track
29887         more precisely the effect they have on the validity of our expression.
29888
29889         * loop-iv.c (simplify_using_condition): A condition of the form
29890         (EQ REG CONST) can be used to simply make a substitution.
29891         (simplify_using_initial_values): Keep track of conditions we have seen
29892         and keep using them to simplify new expressions, while applying the
29893         same substitutions to them as to the expression.
29894
29895         * simplify-rtx.c (simplify_relational_operation_1): Simplify
29896         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
29897         GEU/LTU reversed.
29898
29899         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
29900         changed.  Use this when trying to improve the upper bound.
29901         Generate the comparison by using simplify_gen_relational.
29902
29903         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
29904
29905         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
29906         functions.
29907         (simplify_using_assignment, simplify_using_initial_values): Call
29908         replace_in_expr to make replacements.  Call replace_single_def_regs
29909         once on the initial version of the expression.
29910
29911 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
29912
29913         PR target/27237
29914         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
29915
29916 2009-03-31  Richard Guenther  <rguenther@suse.de>
29917
29918         PR middle-end/31029
29919         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
29920         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
29921
29922 2009-03-31  Richard Guenther  <rguenther@suse.de>
29923
29924         * tree.h (div_if_zero_remainder): Declare.
29925         * fold-const.c (div_if_zero_remainder): Export.
29926         * tree-ssa-forwprop.c
29927         (forward_propagate_addr_into_variable_array_index): Handle
29928         constant array index addition outside of the variable index.
29929
29930 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
29931
29932         PR target/39592
29933         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
29934         define_splits, floatunssi<mode>2): Require x87 conversions from
29935         DImode to be permitted.
29936
29937 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
29938
29939         PR preprocessor/15638
29940         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
29941
29942 2009-03-31  Richard Guenther  <rguenther@suse.de>
29943
29944         PR middle-end/23401
29945         PR middle-end/27810
29946         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
29947         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
29948         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
29949         a separate statement.
29950         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
29951         (lookup_tmp_var): Likewise.
29952         (is_gimple_formal_tmp_or_call_rhs): Remove.
29953         (is_gimple_reg_or_call_rhs): Rename to ...
29954         (is_gimple_reg_rhs_or_call): ... this.
29955         (is_gimple_mem_or_call_rhs): Rename to ...
29956         (is_gimple_mem_rhs_or_call): ... this.
29957         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
29958         DECL_GIMPLE_REG_P only if is_formal is true.
29959         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
29960         for non-proper post-modify expression gimplification.
29961         (gimplify_self_mod_expr): For post-modify expressions gimplify
29962         the lvalue to a minimal lvalue.
29963         (rhs_predicate_for): Remove formal temp case.
29964         (gimplify_modify_expr_rhs): Likewise.
29965         (gimplify_addr_expr): Use is_gimple_reg.
29966         (gimplify_expr): Remove formal temp cases.
29967         (gimple_regimplify_operands): Likewise.
29968         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
29969         and FILTER_EXPR like constants.
29970         * gimple.c (walk_gimple_op): Fix val_only initialization, use
29971         is_gimple_reg.
29972         (is_gimple_formal_tmp_rhs): Remove.
29973         (is_gimple_reg_rhs): Remove special casing.
29974         (is_gimple_mem_rhs): Fix.
29975         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
29976         (is_gimple_formal_tmp_var): Remove.
29977         (is_gimple_formal_tmp_reg): Likewise.
29978         (is_gimple_min_lval): Allow invariant component ref parts.
29979         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
29980         is_gimple_formal_tmp_reg): Remove declarations.
29981         * tree-cfg.c (verify_expr): Verify that variables with address
29982         taken do not have DECL_GIMPLE_REG_P set.
29983         * tree-mudflap.c (mf_build_check_statement_for): Use
29984         force_gimple_operand instead of gimplify_expr.
29985
29986 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
29987
29988         * modulo-sched.c (sms_schedule_by_order): Pass the actual
29989         schedulable rows to compute_split_row.
29990
29991 2009-03-31  Ben Elliston  <bje@au.ibm.com>
29992
29993         PR target/31635
29994         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
29995         OPT_mvrsave.
29996
29997 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
29998
29999         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
30000         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
30001         * configure: Regenerate.
30002         * config.in: Regenerate.
30003         * config/rs6000/rs6000.opt (mtls-markers): Add.
30004         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
30005         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
30006         (tls_ld_aix, tls_ld_sysv): Likewise.
30007         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
30008         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
30009
30010 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
30011
30012         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
30013
30014 2009-03-30  Jan Hubicka  <jh@suse.cz>
30015
30016         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
30017         out of RESX.
30018         (tree_remove_unreachable_handlers): Cleanup EH predecestor
30019         detection and label handling.
30020
30021 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
30022
30023         * ira-int.h (ira_allocno): Rename left_conflicts_num to
30024         left_conflicts_size.
30025         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
30026         ALLOCNO_LEFT_CONFLICTS_SIZE.
30027
30028         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
30029         remove_allocno_from_bucket_and_push,
30030         allocno_spill_priority_compare, push_allocnos_to_stack,
30031         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
30032         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
30033         (setup_allocno_left_conflicts_num): Ditto.  Rename to
30034         setup_allocno_left_conflicts_size.
30035         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
30036         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
30037         setup_allocno_left_conflicts_size instead of
30038         setup_allocno_left_conflicts_num.
30039
30040         * ira-build.c (ira_create_allocno): Use
30041         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
30042         ALLOCNO_LEFT_CONFLICTS_NUM.
30043
30044 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
30045
30046         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
30047         instead of DF_LR_OUT.
30048
30049         * ira-lives.c (process_bb_node_lives): Ditto.
30050
30051         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
30052         instead of DF_LR_{OUT,IN}.
30053
30054         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
30055
30056         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
30057
30058 2009-03-30  Jan Hubicka  <jh@suse.cz>
30059
30060         * except.c (label_to_region_map): Fix thinko.
30061
30062 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
30063
30064         PR middle-end/38237
30065         * tree.h (tree_find_value): New declaration.
30066         * tree.c (tree_find_value): New function.
30067         * varasm.c (assemble_external): Avoid duplicate entries on lists.
30068
30069 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
30070
30071         PR debug/39563
30072         * c-decl.c (struct c_binding): Add locus field.
30073         (bind): Add locus argument, set locus field from it.
30074         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
30075         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
30076         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
30077         implicitly_declare, undeclared_variable, lookup_label,
30078         declare_label, c_make_fname_decl, c_builtin_function,
30079         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
30080         bind callers.
30081
30082 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
30083
30084         PR target/38781
30085         * config/i386/i386.c (classify_argument): Check total size of
30086         structure.
30087
30088 2009-03-30  Martin Jambor  <mjambor@suse.cz>
30089
30090         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
30091         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
30092         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
30093         respectively.
30094
30095         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
30096         seen_variable_array_ref while also traversing a union.
30097
30098         * tree-inline.c (optimize_inline_calls): Do not call
30099         cgraph_node_remove_callees.
30100         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
30101         (pass_remove_cgraph_callee_edges): New variable.
30102         * passes.c (init_optimization_passes): Add
30103         pass_remove_cgraph_callee_edges after early inlining and before all
30104         late intraprocedural passes.
30105
30106         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
30107
30108 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
30109
30110         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
30111         Fix typos in names.
30112
30113 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
30114
30115         * combine.c (simplify_comparison): Use have_insn_for.
30116         * dojump.c (do_jump): Likewise.
30117
30118 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
30119
30120         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
30121         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
30122         sparc_compare_op0 like sparc_compare_emitted used to be handled.
30123         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
30124         instead of sparc_compare_emitted.
30125         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
30126         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
30127         instead of sparc_compare_emitted.
30128
30129 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
30130
30131         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
30132         enter/exit cfglayout mode.
30133         (pass_partition_block): Require it.
30134         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
30135         (combine_instructions): Track basic blocks instead of labels.
30136         (update_cfg_for_uncondjump): New.
30137         (try_combine): Use it.  Update jumps after rescanning.
30138         (pass_combine): Require PROP_cfglayout.
30139         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
30140
30141 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
30142
30143         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
30144         Provide/destroy PROP_cfglayout respectively.
30145         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
30146         * tree-pass.h (PROP_cfglayout): New.
30147
30148 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
30149
30150         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
30151         fold_convert_const_fixed_from_fixed,
30152         fold_convert_const_fixed_from_int,
30153         fold_convert_const_fixed_from_real, fold_negate_const): Do not
30154         set TREE_CONSTANT_OVERFLOW.
30155         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
30156         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
30157
30158 2009-03-30  Ira Rosen  <irar@il.ibm.com>
30159
30160         * tree-vect-loop-manip.c: New file.
30161         * tree-vectorizer.c: Update documentation and included files.
30162         (vect_loop_location): Make extern.
30163         (rename_use_op): Move to tree-vect-loop-manip.c
30164         (rename_variables_in_bb, rename_variables_in_loop,
30165         slpeel_update_phis_for_duplicate_loop,
30166         slpeel_update_phi_nodes_for_guard1,
30167         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
30168         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
30169         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
30170         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
30171         find_loop_location): Likewise.
30172         (new_stmt_vec_info): Move to tree-vect-stmts.c.
30173         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
30174         get_vectype_for_scalar_type, vect_is_simple_use,
30175         supportable_widening_operation, supportable_narrowing_operation):
30176         Likewise.
30177         (bb_in_loop_p): Move to tree-vect-loop.c.
30178         (new_loop_vec_info, destroy_loop_vec_info,
30179         reduction_code_for_scalar_code, report_vect_op,
30180         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
30181         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
30182         (vect_supportable_dr_alignment): Likewise.
30183         * tree-vectorizer.h (tree-data-ref.h): Include.
30184         (vect_loop_location): Declare.
30185         Reorganize function declarations according to the new file structure.
30186         * tree-vect-loop.c: New file.
30187         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
30188         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
30189         * tree-vect-data-refs.c: New file.
30190         * tree-vect-patterns.c (timevar.h): Don't include.
30191         * tree-vect-stmts.c: New file.
30192         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
30193         tree-vect-slp.c, tree-vect-loop.c.
30194         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
30195         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
30196         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
30197         (tree-vect-analyze.o): Remove.
30198         (tree-vect-transform.o): Likewise.
30199         (tree-vect-data-refs.o): Add rule.
30200         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
30201         tree-vect-slp.o): Likewise.
30202         (tree-vect-patterns.o): Remove redundant dependencies.
30203         (tree-vectorizer.o): Likewise.
30204         * tree-vect-slp.c: New file.
30205
30206 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
30207
30208         * optc-gen.awk: Warn if an option flag has multiple different
30209         help strings.
30210
30211 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
30212
30213         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
30214         -floop-block): Document dependences on PPL, CLooG and Graphite.
30215
30216 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
30217
30218         PR rtl-optimization/323
30219         * c-common.c (c_fully_fold, convert_and_check,
30220         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
30221         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
30222         * c-common.def (EXCESS_PRECISION_EXPR): New.
30223         * c-cppbuiltin.c (builtin_define_float_constants): Define
30224         constants with enough digits for long double.
30225         * c-lex.c (interpret_float): Interpret constant with excess
30226         precision where appropriate.
30227         * c-opts.c (c_common_post_options): Set
30228         flag_excess_precision_cmdline.  Give an error for
30229         -fexcess-precision=standard for C++ for processors where the
30230         option is significant.
30231         * c-parser.c (c_parser_conditional_expression): Handle excess
30232         precision in condition.
30233         * c-typeck.c (convert_arguments): Handle arguments with excess
30234         precision.
30235         (build_unary_op): Move excess precision outside operation.
30236         (build_conditional_expr): Likewise.
30237         (build_compound_expr): Likewise.
30238         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
30239         (build_modify_expr): Handle excess precision in RHS.
30240         (convert_for_assignment): Handle excess precision in converted
30241         value.
30242         (digest_init, output_init_element, process_init_element): Handle
30243         excess precision in initializer.
30244         (c_finish_return): Handle excess precision in return value.
30245         (build_binary_op): Handle excess precision in operands and add
30246         excess precision as needed for operation.
30247         * common.opt (-fexcess-precision=): New option.
30248         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
30249         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
30250         For standard excess precision, output explicit conversion to and
30251         truncation from XFmode.
30252         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
30253         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
30254         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
30255         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
30256         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
30257         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
30258         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
30259         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
30260         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
30261         define_splits, sqrt<mode>2): Disable where appropriate for
30262         standard excess precision.
30263         * convert.c (convert_to_real): Do not shorten arithmetic to type
30264         for which excess precision would be used.
30265         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
30266         * doc/invoke.texi (-fexcess-precision=): Document option.
30267         (-mfpmath=): Correct index entry.
30268         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
30269         flag_excess_precision): New.
30270         * langhooks.c (lhd_post_options): Set
30271         flag_excess_precision_cmdline.
30272         * opts.c (common_handle_option): Handle -fexcess-precision=.
30273         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
30274         init_excess_precision): New.
30275         (lang_dependent_init_target): Call init_excess_precision.
30276         * tree.c (excess_precision_type): New.
30277         * tree.h (excess_precision_type): Declare.
30278
30279 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
30280
30281         PR c/35235
30282         * c-typeck.c (build_component_ref): Do not copy qualifiers from
30283         non-lvalue to component.
30284
30285 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
30286
30287         PR preprocessor/34695
30288         * Makefile.in (c-opts.o): Depend on c-tree.h.
30289         * c-common.c: Move down include of diagnostic.h.
30290         (done_lexing, c_cpp_error): New.
30291         * c-common.h (done_lexing): Declare.
30292         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
30293         (parse_in).
30294         * c-opts.c: Include c-tree.h.
30295         (c_common_init_options): Set preprocessor error callback.
30296         (c_common_handle_option): Do not set preprocessor
30297         inhibit_warnings, warnings_are_errors, warn_system_headers,
30298         pedantic_errors or inhibit_warnings flags.
30299         (c_common_post_options): Do not check cpp_errors (parse_in).
30300         (c_common_finish): Do not output dependencies if there were
30301         errors.  Do not check return value of cpp_finish.
30302         * c-ppoutput.c (pp_file_change): Set input_location.
30303         * c-tree.h (c_cpp_error): Declare.
30304         * diagnostic.c (diagnostic_set_info_translated): Also initialize
30305         override_column.
30306         (diagnostic_build_prefix): Check override_column.
30307         * diagnostic.h (diagnostic_info): Add override_column field.
30308         (diagnostic_override_column): Define.
30309
30310 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
30311
30312         * c-common.c (c_expand_expr, c_staticp): Remove.
30313         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
30314         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
30315         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
30316         * c-gimplify.c (gimplify_compound_literal_expr,
30317         optimize_compound_literals_in_ctor): Remove.
30318         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
30319         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
30320         * c-semantics.c (emit_local_var): Remove.
30321
30322         * langhooks-def.h (lhd_expand_expr): Remove.
30323         * langhooks.c (lhd_expand_expr): Remove.
30324         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
30325
30326         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
30327         handling from c-semantics.c; don't call into langhook.
30328         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
30329         * gimplify.c (gimplify_compound_literal_expr,
30330         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
30331         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
30332         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
30333         as was done in c-gimplify.c.
30334         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
30335         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
30336         Move from c-common.h.
30337         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
30338
30339         * tree.c (staticp): Do not call langhook.
30340         * langhooks.c (lhd_staticp): Delete.
30341         * langhooks-def.h (lhd_staticp): Delete prototype.
30342         (LANG_HOOKS_STATICP): Delete.
30343         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
30344
30345         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
30346         instead of DECL_STMTs.
30347
30348 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
30349
30350         PR c/456
30351         PR c/5675
30352         PR c/19976
30353         PR c/29116
30354         PR c/31871
30355         PR c/35198
30356         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
30357         void_type_node.
30358         (fold_call_expr): Return a NOP_EXPR from folding rather than the
30359         contained expression.
30360         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
30361         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
30362         conditional expressions for C.
30363         (decl_constant_value_for_optimization): Move from
30364         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
30365         whether optimizing and that the expression is a VAR_DECL not of
30366         array type instead of doing such checks in the caller.  Do not
30367         check pedantic.  Call gcc_unreachable for C++.
30368         * c-common.def (C_MAYBE_CONST_EXPR): New.
30369         * c-common.h (c_fully_fold, c_save_expr,
30370         decl_constant_value_for_optimization): New prototypes.
30371         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
30372         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
30373         EXPR_INT_CONST_OPERANDS): Define.
30374         * c-convert.c (convert): Strip nops from expression.
30375         * c-decl.c (groktypename): Take extra parameters expr and
30376         expr_const_operands.  Update call to grokdeclarator.
30377         (start_decl): Update call to grokdeclarator.  Add statement for
30378         expressions used in type of decl.
30379         (grokparm): Update call to grokdeclarator.
30380         (push_parm_decl): Update call to grokdeclarator.
30381         (build_compound_literal): Add parameter non_const and build a
30382         C_MAYBE_COSNT_EXPR if applicable.
30383         (grokdeclarator): Take extra parameters expr and
30384         expr_const_operands.  Track expressions used in declaration
30385         specifiers and declarators.  Fold array sizes and track whether
30386         they are constant expressions and whether they are integer
30387         constant expressions.
30388         (parser_xref_tag): Set expr and expr_const_operands fields in
30389         return value.
30390         (grokfield): Update call to grokdeclarator.
30391         (start_function): Update call to grokdeclarator.
30392         (build_null_declspecs): Set expr and expr_const_operands fields in
30393         return value.
30394         (declspecs_add_type): Handle expressions in typeof specifiers.
30395         * c-parser.c (c_parser_declspecs): Set expr and
30396         expr_const_operands fields for declaration specifiers.
30397         (c_parser_enum_specifier): Likewise.
30398         (c_parser_struct_or_union_specifier): Likewise.
30399         (c_parser_typeof_specifier): Likewise.  Update call to
30400         groktypename.  Fold expression as needed.  Return expressions with
30401         type instead of adding statements.
30402         (c_parser_attributes): Update calls to c_parser_expr_list.
30403         (c_parser_statement_after_labels): Fold expression before passing
30404         to objc_build_throw_stmt.
30405         (c_parser_condition): Fold expression.
30406         (c_parser_asm_operands): Fold expression.
30407         (c_parser_conditional_expression): Use c_save_expr.  Update call
30408         to build_conditional_expr.
30409         (c_parser_alignof_expression): Update call to groktypename.
30410         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
30411         original_code.  Fold expression argument of va_arg.  Create
30412         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
30413         argument to va_arg.  Update calls to groktypename.  Fold array
30414         index for offsetof.  Verify that first argument to
30415         __builtin_choose_expr has integer type.
30416         (c_parser_postfix_expression_after_paren_type): Update calls to
30417         groktypename and build_compound_literal.  Handle expressions with
30418         side effects in type name.
30419         (c_parser_postfix_expression_after_primary): Update call to
30420         c_parser_expr_list.  Set original_code for calls to
30421         __builtin_constant_p.
30422         (c_parser_expr_list): Take extra parameter fold_p.  Fold
30423         expressions if requested.
30424         (c_parser_objc_type_name): Update call to groktypename.
30425         (c_parser_objc_synchronized_statement): Fold expression.
30426         (c_parser_objc_receiver): Fold expression.
30427         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
30428         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
30429         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
30430         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
30431         (struct c_typespec): Add elements expr and expr_const_operands.
30432         (struct c_declspecs): Add elements expr and expr_const_operands.
30433         (groktypename, build_conditional_expr, build_compound_literal):
30434         Update prototypes.
30435         (in_late_binary_op): Declare.
30436         * c-typeck.c (note_integer_operands): New function.
30437         (in_late_binary_op): New variable.
30438         (decl_constant_value_for_broken_optimization): Move to c-common.c
30439         and rename to decl_constant_value_for_optimization.
30440         (default_function_array_conversion): Do not strip nops.
30441         (default_conversion): Do not call
30442         decl_constant_value_for_broken_optimization.
30443         (build_array_ref): Do not fold result.
30444         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
30445         result when operand is a VLA.
30446         (c_expr_sizeof_type): Update call to groktypename.  Handle
30447         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
30448         result when operand names a VLA type.
30449         (build_function_call): Update call to build_compound_literal.
30450         Only fold result for calls to __builtin_* functions.  Strip
30451         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
30452         the function designator.
30453         (convert_arguments): Fold arguments.  Update call to
30454         convert_for_assignment.
30455         (build_unary_op): Handle increment and decrement of
30456         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
30457         decrement earlier.  Fold operand of increment and decrement.
30458         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
30459         built for integer operand.  Wrap returns that are INTEGER_CSTs
30460         without being integer constant expressions or that have integer
30461         constant operands without being INTEGER_CSTs.
30462         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
30463         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
30464         result is an integer constant expression or can be used in
30465         unevaluated parts of one and avoid folding and wrap as
30466         appropriate.  Fold operands before possibly doing -Wsign-compare
30467         warnings.
30468         (build_compound_expr): Wrap result for C99 if operands can be used
30469         in integer constant expressions.
30470         (build_c_cast): Update call to digest_init.  Do not ignore
30471         overflow from casting floating-point constants to integers.  Wrap
30472         results that could be confused with integer constant expressions,
30473         null pointer constants or floating-point constants.
30474         (c_cast_expr): Update call to groktypename.  Handle expressions
30475         included in type name.
30476         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
30477         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
30478         Update calls to convert_for_assignment.
30479         (convert_for_assignment): Take new parameter
30480         null_pointer_constant.  Do not strip nops or call
30481         decl_constant_value_for_broken_optimization.  Set
30482         in_late_binary_op for conversions to boolean.
30483         (store_init_value): Update call to digest_init.
30484         (digest_init): Take new parameter null_pointer_constant.  Do not
30485         call decl_constant_value_for_broken_optimization.  pedwarn for
30486         initializers not constant expressions.  Update calls to
30487         convert_for_assignment.
30488         (constructor_nonconst): New.
30489         (struct constructor_stack): Add nonconst element.
30490         (really_start_incremental_init, push_init_level, pop_init_level):
30491         Handle constructor_nonconst and nonconst element.
30492         (set_init_index): Call constant_expression_warning for array
30493         designators.
30494         (output_init_element): Fold value.  Set constructor_nonconst as
30495         applicable.  pedwarn for initializers not constant expressions.
30496         Update call to digest_init.  Call constant_expression_warning
30497         where constant initializers are required.
30498         (process_init_element): Use c_save_expr.
30499         (c_finish_goto_ptr): Fold expression.
30500         (c_finish_return): Fold return value.  Update call to
30501         convert_for_assignment.
30502         (c_start_case): Fold switch expression.
30503         (c_process_expr_stmt): Fold expression.
30504         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
30505         ensure statement expression is not evaluated in constant expression.
30506         (build_binary_op): Track whether results are integer constant
30507         expressions or may occur in such, disable folding and wrap results
30508         as applicable.  Fold operands for -Wsign-compare warnings unless
30509         in_late_binary_op.
30510         (c_objc_common_truthvalue_conversion): Handle results folded to
30511         integer constants that are not integer constant expressions.
30512         * doc/extend.texi: Document when typeof operands are evaluated,
30513         that condition of __builtin_choose_expr is an integer constant
30514         expression, and more about use of __builtin_constant_p in
30515         initializers.
30516
30517 2009-03-29  Richard Guenther  <rguenther@suse.de>
30518
30519         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
30520         propagate addresses of array references.
30521
30522 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
30523
30524         * regmove.c (perhaps_ends_bb_p): Remove.
30525         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
30526         from INSN and check that the main loop stays within that basic block.
30527         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
30528         (regmove_forward_pass): Split out from regmove_optimize.  Use
30529         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
30530         (regmove_backward_pass): Split out from regmove_optimize.  Use
30531         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
30532         (regmove_optimize): Simplify.
30533
30534 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
30535
30536         PR target/39545
30537         * config/i386/i386.c (classify_argument): Ignore flexible array
30538         member in struct and warn ABI change.
30539
30540 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
30541
30542         * config/i386/i386-protos.h (ix86_agi_dependent): New.
30543
30544         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
30545         (ix86_adjust_cost): Updated.
30546
30547 2009-03-29  Jan Hubicka  <jh@suse.cz>
30548
30549         PR middle-end/28850
30550         * tree-pass.h (pass_cleanup_eh): New function.
30551         (remove_unreachable_regions): Break code handling RTL
30552         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
30553         that can not be reached by runtime.
30554         (can_be_reached_by_runtime): New function.
30555         (label_to_region_map): New function.
30556         (num_eh_regions): New function.
30557         (rtl_remove_unreachable_regions): New function.
30558         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
30559         (remove_eh_region): New function.
30560         * except.h: Include sbitmap and vecprim.
30561         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
30562         num_eh_regions): Declare.
30563         * passes.c (init_optimization_passes): Schedule cleanup_eh.
30564         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
30565         * tree-eh.c (tree_remove_unreachable_handlers): New function.
30566         (tree_empty_eh_handler_p): New function.
30567         (cleanup_empty_eh): New function.
30568         (cleanup_eh): New function.
30569         (pass_cleanup_eh): New function.
30570
30571 2009-03-29  Jan Hubicka  <jh@suse.cz>
30572
30573         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
30574         for removed regions.
30575
30576 2009-03-29  Jan Hubicka  <jh@suse.cz>
30577
30578         * except.c (dump_eh_tree): Dump all datastructures.
30579
30580 2009-03-29  Jan Hubicka  <jh@suse.cz>
30581
30582         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
30583         (duplicate_eh_regions_1): Likewise.
30584         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
30585         vector; call EH verification.
30586         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
30587         Be ready for region being removed.
30588
30589 2009-03-29  Jan Hubicka  <jh@suse.cz>
30590
30591         * bitmap.c (bitmap_last_set_bit): New function.
30592         * bitmap.h (bitmap_last_set_bit): Declare.
30593
30594 2009-03-29  David Ayers  <ayers@fsfe.org>
30595
30596         PR objc/27377
30597         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
30598         by calling objc_compare_types and surpress warnings about
30599         incompatible C pointers that are compatible ObjC pointers.
30600
30601 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
30602
30603         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
30604         call initialize_inline_failed.
30605         (initialize_inline_failed): Move it from here ...
30606         * cgraph.c (initialize_inline_failed): ... to here.
30607         (cgraph_create_edge): Call initialize_inline_failed rather than
30608         setting inline_failed directly.
30609
30610 2009-03-29  Ben Elliston  <bje@au.ibm.com>
30611
30612         PR target/32542
30613         * sysv4.opt (msdata): Improve comment.
30614         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
30615         * sysv4.h (SVR4_ASM_SPEC): Likewise.
30616
30617 2009-03-29  Ben Elliston  <bje@au.ibm.com>
30618
30619         PR target/30451
30620         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
30621         load and store attributes.
30622
30623 2009-03-29  Ben Elliston  <bje@au.ibm.com>
30624
30625         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
30626         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
30627         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
30628         * doc/extend.texi (X86 Built-in Functions): Add index entries for
30629         __builtin_infq and __builtin_huge_valq.
30630
30631 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
30632
30633         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
30634         atmega8m1 devices.
30635         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
30636         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
30637
30638 2009-03-28  Xinliang David Li  <davidxl@google.com>
30639
30640         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
30641         (do_dbg_cnt): New function.
30642
30643 2009-03-28  Jan Hubicka  <jh@suse.cz>
30644
30645         Merge from pretty-ipa:
30646
30647         2009-03-27  Jan Hubicka  <jh@suse.cz>
30648
30649         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
30650         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
30651         * passes.c (function_called_by_processed_nodes_p): New.
30652         * ipa-pure-const.c (check_call): Fix handling of operands.
30653         (analyze_function): Dump debug output for skipped bodies.
30654         (local_pure_const): Use function_called_by_processed_nodes_p.
30655         * dwarf2out.c (reference_to_unused): Use output.
30656         * passes.c (do_per_function_toporder): Likewise.
30657
30658         2008-11-12  Jan Hubicka  <jh@suse.cz>
30659
30660         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
30661         * ipa-pure-const.c (funct_state_d): Add can throw field; make
30662         state_set_in_source enum
30663         (check_decl): Ignore memory tags; do not set fake looping flags;
30664         dump diagnostics.
30665         (check_operand, check_tree, check_rhs_var, check_lhs_var,
30666         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
30667         (check_call, analyze_function): Rewrite.
30668         (check_stmt): New.
30669         (add_new_function): Update call of analyze_function.
30670         (generate_summary): Add call of analyze_function.
30671         (propagate): Propagate can_throw; handle state_set_in_source correctly.
30672         (local_pure_const): New function.
30673         (pass_local_pure_const): New pass.
30674         * ipa-inline.c (inline_transform): Set after_inlining.
30675         * tree-eh.c (stmt_can_throw_external): New.
30676         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
30677         work with aliasing built.
30678         * tree-flow.h (stmt_can_throw_external): New.
30679         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
30680         and local pure/const pass in early and late optimization queue.
30681
30682 2009-03-28  Martin Jambor  <mjambor@suse.cz>
30683
30684         * fold-const.c (get_pointer_modulus_and_residue): New parameter
30685         allow_func_align.
30686         (fold_binary): Allow function decl aligment consideration is the
30687         second argument is integer constant one.
30688         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
30689         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
30690         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
30691
30692 2009-03-28  Jan Hubicka  <jh@suse.cz>
30693
30694         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
30695         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
30696         * function.h (rtl_data): Add nothrow flag.
30697         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
30698         set DECL_NOTHROW for AVAILABLE functions.
30699
30700 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
30701
30702         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
30703         following vector keyword has expansion starting with pixel or bool
30704         keyword, expand vector to __vector and pixel or bool to __pixel or
30705         __bool.
30706
30707         PR c++/39554
30708         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
30709         warn_if_disallowed_function_p): Removed.
30710         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
30711         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
30712         warning_if_disallowed_function_p.
30713         * flags.h (warn_if_disallowed_function_p,
30714         warn_disallowed_functions): Removed.
30715         * common.opt (Wdisallowed-function-list=): Removed.
30716         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
30717
30718 2009-03-28  Richard Guenther  <rguenther@suse.de>
30719
30720         PR tree-optimization/38723
30721         * tree-ssa-pre.c (compute_avail): Add all default definitions to
30722         the entry block.
30723
30724 2009-03-28  Jan Hubicka  <jh@suse.cz>
30725
30726         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
30727         test introduced by my previous patch.
30728
30729 2009-03-28  Richard Guenther  <rguenther@suse.de>
30730
30731         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
30732         the PHIs value undefined.
30733
30734 2009-03-28  Jan Hubicka  <jh@suse.cz>
30735
30736         * tree-pass.h (pass_fixup_cfg): New pass.
30737         * ipa-inline.c (inline_transform): Set
30738         always_inline_functions_inlined/after_inlining.
30739         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
30740         (pass_fixup_cfg): New pass.
30741         * passes.c (init_optimization_passes): Add fixup_cfg.
30742
30743 2009-03-28  Richard Guenther  <rguenther@suse.de>
30744
30745         PR tree-optimization/38458
30746         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
30747         argument use the arguments copy-of value.
30748
30749 2009-03-28  Richard Guenther  <rguenther@suse.de>
30750
30751         PR tree-optimization/38180
30752         * tree-ssa-ccp.c (get_default_value): Simplify.
30753         (likely_value): Likewise.
30754         (surely_varying_stmt_p): Properly handle VOP case.
30755         (ccp_initialize): Likewise.
30756         (ccp_fold): Handle propagating through *&.
30757         (fold_const_aggregate_ref): Also handle decls.
30758
30759 2009-03-28  Jan Hubicka  <jh@suse.cz>
30760
30761         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
30762         * cgraph.h (cgraph_node): Likewise.
30763         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
30764         (cgraph_reset_node): Use process flag.
30765         (cgraph_mark_functions_to_output): Likewise.
30766         (cgraph_expand_function): Likewise.
30767         (cgraph_expand_all_functions): Likewise.
30768         (cgraph_output_in_order): Likewise.
30769         * dwarf2out.c (reference_to_unused): Likewise.
30770         * passes.c do_per_function_toporder): Likewise.
30771
30772 2009-03-28  Jan Hubicka  <jh@suse.cz>
30773
30774         Bring from lto-branch:
30775
30776         2008-09-03  Doug Kwan  <dougkwan@google.com>
30777
30778         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
30779         enums instead of reason strings.
30780         * cgraph.c (cgraph_create_edge): Same.
30781         (cgraph_inline_failed_string): New function.
30782         * cgraph.h (cgraph_inline_failed_t): New enum type.
30783         (cgraph_inline_failed_string): New prototype.
30784         (struct cgraph_edge): Change type of INLINED_FAILED from constant
30785         char pointer to cgraph_inline_failed_t.
30786         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
30787         (cgraph_default_inline_p): Ditto.
30788         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
30789         to cgraph_inline_failed_t pointer.
30790         * cif-code.def: New file.
30791         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
30792         reason string.
30793         (cgraph_check_inline_limits): Change type of REASON to pointer to
30794         cgraph_inline_failed_t.  Replace reason strings with enums.
30795         (cgraph_default_inline_p): Ditto.
30796         (cgraph_recursive_inlining_p): Ditto.
30797         (update_caller_keys): Change type of FAILED_REASON to
30798         cgraph_inline_failed_t.
30799         (cgraph_set_inline_failed): Change type of REASON to pointer to
30800         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
30801         convert enums to strings for text output.
30802         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
30803         to be of type cgraph_inline_failed_t.  Replace reason strings with
30804         enums.  Call cgraph_inline_failed_string to covert enums
30805         to strings for text output.
30806         (cgraph_decide_inlining): Replace reason strings with enums.
30807         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
30808         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
30809         for text output.
30810         * tree-inline.c (expand_call_inline): Change type of REASON
30811         to cgraph_inline_failed_t.  Replace reason strings with enums.
30812         Call cgraph_inline_failed_string for text output.
30813         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
30814         (cgraph.o): Ditto.
30815
30816 2009-03-28  Jan Hubicka  <jh@suse.cz>
30817
30818         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
30819         cgraph_clone_node): Remove master clone handling.
30820         (cgraph_is_master_clone, cgraph_master_clone): Remove.
30821         * cgraph.h (master_clone): Remove.
30822         (cgraph_is_master_clone, cgraph_master_clone): Remove.
30823         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
30824         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
30825
30826 2009-03-28  Jan Hubicka  <jh@suse.cz>
30827
30828         * cgraph.c (cgraph_function_body_availability): Functions declared
30829         inline are always safe to assume that it is not going to be replaced.
30830
30831 2009-03-28  Richard Guenther  <rguenther@suse.de>
30832
30833         PR tree-optimization/38513
30834         * tree-ssa-pre.c (eliminate): Remove redundant stores.
30835         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
30836         EXC_PTR_EXPR and FILTER_EXPR.
30837         (get_ref_from_reference_ops): Likewise.
30838
30839 2009-03-28  Richard Guenther  <rguenther@suse.de>
30840
30841         PR tree-optimization/38968
30842         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
30843         Use FLOOR_MOD_EXPR to compute misalignment.
30844
30845 2009-03-28  Richard Guenther  <rguenther@suse.de>
30846
30847         PR tree-optimization/37795
30848         * tree.h (combine_comparisons): Declare.
30849         * fold-const.c (combine_comparisons): Export.
30850         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
30851         comparisons.
30852         (ifcombine_iforif): Use combine_comparisons.
30853
30854 2009-03-28  Jan Hubicka  <jh@suse.cz>
30855
30856         * tree-eh.c (inlinable_call_p): New function.
30857         (make_eh_edges): Use it.
30858         (verify_eh_edges): Use it.
30859         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
30860         * except.c (reachable_next_level): Add inlinable_function argument
30861         (sjlj_find_directly_reachable_regions): Update.
30862         (add_reachable_handler): Do not set saw_any_handlers.
30863         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
30864         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
30865         Add new inlinable call parameter.
30866         (can_throw_internal, can_throw_external): Update.
30867         * except.h (can_throw_internal_1, can_throw_external_1,
30868         foreach_reachable_handler): Update declaration.
30869
30870 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
30871
30872         * config/arm/t-arm-coff, config/h8300/coff.h,
30873         config/i386/i386-aout.h, config/i386/i386-coff.h,
30874         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
30875         config/pdp11/2bsd.h, config/rs6000/aix41.h,
30876         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
30877         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
30878         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
30879         sys-types.h: Remove.
30880         * Makefile.in: Remove protoize and fixproto support and references
30881         in comments.
30882         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
30883         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
30884         Remove.
30885         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
30886         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
30887         unprotoize$(exeext).
30888         (rest.encap): Don't depend on $(STMP_FIXPROTO)
30889         (.PHONY): Don't depend on proto.
30890         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
30891         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
30892         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
30893         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
30894         build/gen-protos.o, build/scan.o, xsys-protos.h,
30895         build/fix-header$(build_exeext), build/fix-header.o,
30896         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
30897         stmp-install-fixproto): Remove.
30898         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
30899         SYSCALLS.c or fixproto files.
30900         (install-common): Don't install protoize.
30901         (install-headers-tar, install-headers-cpio, install-headers-cp):
30902         Don't depend on $(STMP_FIXPROTO).
30903         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
30904         install fixproto files or write out fixproto settings.
30905         (uninstall): Don't uninstall protoize.
30906         * config.gcc (use_fixproto): Remove.
30907         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
30908         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
30909         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
30910         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
30911         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
30912         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
30913         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
30914         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
30915         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
30916         * config/t-vxworks (STMP_FIXPROTO): Remove.
30917         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
30918         STMP_FIXPROTO): Remove.
30919         * config.in, configure: Regenerate.
30920         * crtstuff.c (gid_t, uid_t): Don't undefine.
30921         * doc/install.texi: Change m68k-coff to m68k-elf in example.
30922         (arm-*-coff, arm-*-aout: Remove target entries.
30923         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
30924         Remove mention of AIX 4.1.
30925         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
30926         * doc/invoke.texi (Running Protoize): Remove.
30927         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
30928         (Protoize Caveats): Remove.
30929         * tsystem.h: Update comments on headers assumed to exist.
30930
30931 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
30932
30933         * genautomata.c: Add a new year to the copyright.  Add a new
30934         reference.
30935         (struct insn_reserv_decl): Add comments for member bypass_list.
30936         (find_bypass): Remove.
30937         (insert_bypass): New.
30938         (process_decls): Use insert_bypass.
30939         (output_internal_insn_latency_func): Output all bypasses with the
30940         same input insn in one switch case.
30941
30942         * rtl.def (define_bypass): Describe bypass choice.
30943         * doc/md.texi (define_bypass): Ditto.
30944
30945 2009-03-27  Richard Guenther  <rguenther@suse.de>
30946
30947         * gimplify.c (mark_addressable): Export.
30948         * tree-flow.h (mark_addressable): Declare.
30949         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
30950         * tree-ssa.c (verify_phi_args): Verify that address taken
30951         variables have TREE_ADDRESSABLE set.
30952
30953 2009-03-27  Richard Guenther  <rguenther@suse.de>
30954
30955         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
30956         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
30957         Do not mark decls TREE_ADDRESSABLE.
30958         (build_fold_addr_expr): Adjust.
30959         (fold_addr_expr): Remove.
30960         (fold_unary): Use build_fold_addr_expr.
30961         (fold_comparison): Likewise.
30962         (split_address_to_core_and_offset): Likewise.
30963         * coverage.c (tree_coverage_counter_addr): Mark the array decl
30964         TREE_ADDRESSABLE.
30965         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
30966         (gimplify_modify_expr_to_memcpy): Mark source and destination
30967         addressable.
30968         * omp-low.c (create_omp_child_function): Mark the object decl
30969         TREE_ADDRESSABLE.
30970         (lower_rec_input_clauses): Mark the var we take the address of
30971         TREE_ADDRESSABLE.
30972         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
30973
30974 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
30975
30976         PR middle-end/39315
30977         * cfgexpand.c (expand_one_stack_var_at): Change alignment
30978         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
30979
30980 2009-03-27  Richard Guenther  <rguenther@suse.de>
30981
30982         PR tree-optimization/39120
30983         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
30984         constraints.
30985         (handle_lhs_call): Process return constraints.  Add escape
30986         constraints if necessary.
30987         (handle_const_call): Fill out return constraints.  Make nested
30988         case more precise.  Avoid consttmp if possible.
30989         (handle_pure_call): Fill out return constraints.  Avoid
30990         callused if possible.
30991         (find_func_aliases): Simplify call handling.
30992
30993 2009-03-27  Richard Guenther  <rguenther@suse.de>
30994
30995         PR tree-optimization/39120
30996         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
30997         as a representative.
30998         (solve_graph): Do propagate CALLUSED.
30999         (handle_pure_call): Use a scalar constraint from CALLUSED for
31000         the return value.
31001         (find_what_p_points_to): CALLUSED shall not appear in poins-to
31002         solutions.
31003
31004 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
31005
31006         PR c/39323
31007         * c-common.c (handle_aligned_attribute): Properly check alignment
31008         overflow.  Use (1U << i) instead of (1 << i).
31009
31010         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
31011
31012         * expr.h (get_mem_align_offset): Updated.
31013
31014         * tree.h (tree_decl_common): Change align to "unsigned int" and
31015         move it before pointer_alias_set.
31016
31017 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
31018             Jakub Jelinek  <jakub@redhat.com>
31019
31020         PR target/38034
31021         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
31022         gr_register_operand with gr_reg_or_0_operand.
31023         (cmpxchg_rel_di): Likewise.
31024         (sync_lock_test_and_set<mode>): Likewise.
31025
31026 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
31027
31028         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
31029         (true_regnum): Likewise.
31030
31031         * rtlanal.c (subreg_info): Moved to ...
31032         * rtl.h (subreg_info): Here.  New.
31033         (subreg_get_info): New.
31034
31035         * rtlanal.c (subreg_get_info): Make it extern.
31036
31037 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
31038
31039         PR target/39472
31040         * config/i386/i386.c (ix86_abi): New.
31041         (override_options): Handle -mabi=.
31042         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
31043         (ix86_call_abi_override): Likewise.
31044         (init_cumulative_args): Likewise.
31045         (function_arg_advance): Likewise.
31046         (function_arg_64): Likewise.
31047         (function_arg): Likewise.
31048         (ix86_pass_by_reference): Likewise.
31049         (ix86_function_value_regno_p): Likewise.
31050         (ix86_build_builtin_va_list_abi): Likewise.
31051         (setup_incoming_varargs_64): Likewise.
31052         (is_va_list_char_pointer): Likewise.
31053         (ix86_init_machine_status): Likewise.
31054         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
31055         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
31056         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
31057         (ix86_function_abi): Make it static and return enum calling_abi.
31058         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
31059         with ix86_abi.
31060         (ix86_fn_abi_va_list): Updated.
31061
31062         * config/i386/i386.h (ix86_abi): New.
31063         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
31064         (CONDITIONAL_REGISTER_USAGE): Likewise.
31065         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
31066         (machine_function): Likewise.
31067
31068         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
31069         with ix86_abi.
31070         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
31071         (STACK_BOUNDARY): Likewise.
31072         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
31073
31074         * config/i386/i386.opt (mabi=): New.
31075
31076         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
31077         return enum calling_abi.
31078         (ix86_function_type_abi): Likewise.
31079         (ix86_function_abi): Removed.
31080
31081         * doc/invoke.texi: Document -mabi= option for x86.
31082
31083 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
31084
31085         * builtins.c (real_dconstp): Delete.
31086         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
31087
31088 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
31089             Jakub Jelinek  <jakub@redhat.com>
31090
31091         PR debug/37959
31092         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
31093         (gen_subprogram_die): When a function is explicit, generate the
31094         DW_AT_explicit attribute.
31095         * langhooks.h (struct lang_hooks_for_decls): Add
31096         function_decl_explicit_p langhook.
31097         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
31098         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
31099
31100 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
31101
31102         * builtins.c (fold_builtin_memory_op): Optimize memmove
31103         into memcpy if we can prove source and destination don't overlap.
31104
31105         * tree-inline.c: Include gt-tree-inline.h.
31106         (clone_fn_id_num): New variable.
31107         (clone_function_name): New function.
31108         (tree_function_versioning): Use it.
31109         * Makefile.in (GTFILES): Add tree-inline.c.
31110
31111 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
31112
31113         * BASE-VER: Change to 4.5.0.
31114
31115 2009-03-27  Xinliang David Li  <davidxl@google.com>
31116
31117         PR tree-optimization/39557
31118         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
31119
31120 2009-03-27  Xinliang David Li  <davidxl@google.com>
31121
31122         PR tree-optimization/39548
31123         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
31124         candidate check.
31125
31126 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
31127
31128         * c-common.c (pointer_int_sum): Use %wd on return from
31129         tree_low_cst.
31130
31131 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
31132
31133         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
31134         on return from tree_low_cst.
31135
31136 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
31137
31138         PR c++/36799
31139         * ginclude/stdarg.h (va_copy): Define also for
31140         __GXX_EXPERIMENTAL_CXX0X__.
31141
31142 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
31143
31144         PR c++/35652
31145         * builtins.h (c_strlen): Do not warn here.
31146         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
31147         * c-common.c (pointer_int_sum): Take an explicit location.
31148         Warn about offsets out of bounds.
31149         * c-common.h (pointer_int_sum): Adjust declaration.
31150
31151 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
31152
31153         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
31154         markup glitch.
31155
31156 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
31157
31158         PR c++/39554
31159         * opts.c (warn_if_disallowed_function_p): Don't assume
31160         get_callee_fndecl must return non-NULL.
31161
31162 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
31163
31164         PR rtl-optimization/39522
31165         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
31166         when reg_reloaded_valid is set.
31167
31168 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
31169
31170         * config/spu/divv2df3.c: New file.
31171         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
31172         (DPBIT_FUNCS): Filter out _div_df.
31173
31174 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
31175
31176         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
31177         a jump insn, count that jump in the distance to the loop start.
31178
31179 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
31180
31181         PR target/39523
31182         * config/sh/sh.c (calc_live_regs): Fix condition for global
31183         registers except PIC_OFFSET_TABLE_REGNUM.
31184
31185 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
31186
31187         PR/39518
31188         * doc/invoke.texi (-mconsole): New.
31189         (-mcygwin): New.
31190         (-mno-cygwin): New.
31191         (-mdll): New.
31192         (-mnop-fun-dllimport): New.
31193         (-mthread): New.
31194         (-mwin32): New.
31195         (-mwindows): New.
31196         (sub section "i386 and x86-64 Windows Options"): New.
31197
31198 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
31199
31200         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
31201         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
31202
31203 2009-03-25  Richard Guenther  <rguenther@suse.de>
31204
31205         PR middle-end/39497
31206         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
31207         of -Wno-error.
31208
31209 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
31210
31211         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
31212         neither of haifa/selective schedulers are working.
31213
31214 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
31215
31216         * doc/invoke.texi (Debugging Options): Fix description of
31217         -fno-merge-debug-strings.
31218
31219 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
31220
31221         * config/cris/libgcc.ver: New version-script.
31222         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
31223
31224         * configure.ac <GAS features, nop mnemonic>: Add pattern
31225         crisv32-*-* for "nop".
31226         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
31227         * configure: Regenerate.
31228
31229 2009-03-24  Ira Rosen  <irar@il.ibm.com>
31230
31231         PR tree-optimization/39529
31232         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
31233         mark_sym_for_renaming for the tag copied to the new vector
31234         pointer.
31235
31236 2009-03-24  Arthur Loiret  <aloiret@debian.org>
31237
31238         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
31239         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
31240         EXTRA_SPEC_FUNCTIONS.
31241         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
31242         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
31243         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
31244         -march and -mtune options.
31245
31246 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
31247
31248         * config/m68k/t-rtems: Add m5329 multilib.
31249
31250 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
31251             Jakub Jelinek  <jakub@redhat.com>
31252
31253         PR debug/39524
31254         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
31255         nodes.
31256
31257 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
31258
31259         PR c/39495
31260         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
31261         instead of c_parser_expression_conv, if original_code isn't one of the
31262         4 allowed comparison codes, fail.
31263
31264 2009-03-23  Richard Guenther  <rguenther@suse.de>
31265
31266         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
31267         * tree.h (struct tree_type): Likewise.
31268         * reload.h (struct insn_chain): Likewise.
31269         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
31270         * function.h (struct function): Likewise.
31271         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
31272
31273 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
31274
31275         PR tree-optimization/39516
31276         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
31277
31278 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
31279
31280         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
31281         should be set true if BITS_PER_WORD of target is bigger than 32
31282
31283 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
31284
31285         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
31286         Translate -B-options to -rpath-link.  Correct existing
31287         rpath-link and conditionalize on !nostdlib.
31288
31289 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
31290
31291         * doc/extend.texi (Function Attributes, Variable Attributes):
31292         Fix typos.
31293         * doc/invoke.texi (Debugging Options, Optimize Options)
31294         (i386 and x86-64 Options, MCore Options): Likewise.
31295
31296 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
31297
31298         PR debug/37890
31299         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
31300         it for block local namespace aliases.
31301         (gen_decl_die): Pass context_die to gen_namespace_die.
31302
31303 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
31304
31305         PR c/39495
31306         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
31307         minimum or maximum value.
31308
31309 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
31310
31311         * reginfo.c (globalize_reg): Recompute derived reg sets.
31312
31313 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
31314
31315         PR target/39063
31316         * libgcc2.c (mprotect): Do not use signed arguments for
31317         VirtualProtect, use DWORD arguments.  Also fix the 'may
31318         be used uninitialized' warning for the np variable.
31319
31320 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
31321
31322         PR target/39496
31323         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
31324         functions using regparm calling conventions when not optimizing.
31325         (ix86_function_sseregparm): Similarly for sseregparm calling
31326         conventions.
31327
31328 2009-03-19  Li Feng  <nemokingdom@gmail.com>
31329
31330         PR middle-end/39500
31331         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
31332         dependence if the first conflict is after niter iterations.
31333
31334 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
31335
31336         PR middle-end/38609
31337         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
31338         functions with dynamic stack-pointer adjustments.
31339
31340 2009-03-19  Ben Elliston  <bje@au.ibm.com>
31341
31342         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
31343         option; change to -msdata=data.
31344
31345 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
31346
31347         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
31348         and -fopenmp.
31349
31350 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
31351
31352         PR target/35180
31353         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
31354
31355 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
31356
31357         * doc/invoke.texi (Code Gen Options): Expand discussion of
31358         -fno-common.
31359
31360 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
31361
31362         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
31363         * matrix-reorg.c (struct matrix_info): Likewise.
31364         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
31365         * rtl.h (struct mem_attrs): Likewise.
31366         * df.h (struct df): Likewise.
31367         * tree-data-ref.h (struct data_dependence_relation): Likewise.
31368         * ira-int.h (struct ira_allocno): Likewise.
31369         * df-scan.c (struct df_collection_rec): Likewise.
31370         * ira.c (struct equivalence): Likewise.
31371         * function.c (struct temp_slot): Likewise.
31372         * cfgloop.h (struct loop): Likewise.
31373
31374         PR debug/39485
31375         * function.c (use_register_for_decl): When not optimizing, disregard
31376         register keyword for variables with types containing methods.
31377
31378 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
31379
31380         PR middle-end/39447
31381         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
31382         (is_simple_operand): Call contains_component_ref_p before calling data
31383         reference analysis that would fail on COMPONENT_REFs.
31384
31385         * tree-vrp.c (search_for_addr_array): Fix formatting.
31386
31387 2009-03-18  Richard Guenther  <rguenther@suse.de>
31388
31389         * tree-vect-transform.c (vect_loop_versioning): Fold the
31390         generated comparisons.
31391         * tree-vectorizer.c (set_prologue_iterations): Likewise.
31392         (slpeel_tree_peel_loop_to_edge): Likewise.
31393
31394 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
31395
31396         PR middle-end/37805
31397         * opts.c (print_specific_help): In addition to `undocumented',
31398         accept `separate' and `joined' flags if passed alone.  Describe
31399         output by the first matched one of those.
31400         (common_handle_option): Skip over empty strings.
31401         * gcc.c (display_help): Fix help string for `--help='.
31402         * doc/invoke.texi (Option Summary, Overall Options): With
31403         `--help=', classes and qualifiers can both be repeated, but
31404         only the latter can be negated.  One should not pass only
31405         negated qualifiers.  Fix markup and examples.
31406
31407         Revert
31408         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
31409         PR middle-end/37805
31410         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
31411         and -fhelp=separate.
31412
31413 2009-03-17  Jing Yu  <jingyu@google.com>
31414
31415         PR middle-end/39378
31416         * function.h (struct rtl_data): Move is_thunk from here...
31417         (struct function): ...to here.
31418         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
31419         * varasm.c (assemble_start_function): Change is_thunk from crtl to
31420         cfun.
31421         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
31422         cfun.
31423         (alpha_does_function_need_gp, alpha_start_function): Likewise.
31424         (alpha_output_function_end_prologue): Likewise.
31425         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
31426         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
31427         (rs6000_output_function_epilogue): Likewise.
31428         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
31429
31430 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
31431
31432         PR target/39482
31433         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
31434         from different units in a single alternative.
31435         (*truncdfsf_i387): Ditto.
31436         (*truncxfsf2_mixed): Ditto.
31437         (*truncxfdf2_mixed): Ditto.
31438
31439 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
31440
31441         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
31442         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
31443
31444         PR debug/39474
31445         * tree-ssa-live.c (remove_unused_locals): Don't remove local
31446         unused non-artificial variables when not optimizing.
31447
31448         PR debug/39471
31449         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
31450         DW_TAG_imported_module even if decl is IMPORTED_DECL with
31451         NAMESPACE_DECL in its DECL_INITIAL.
31452
31453         PR middle-end/39443
31454         * optabs.c (set_user_assembler_libfunc): New function.
31455         * expr.h (set_user_assembler_libfunc): New prototype.
31456         * c-common.c: Include libfuncs.h.
31457         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
31458         for memcmp, memset, memcpy, memmove and abort.
31459         * Makefile.in (c-common.o): Depend on libfuncs.h.
31460
31461         PR debug/39412
31462         * dwarf2out.c (gen_inlined_enumeration_type_die,
31463         gen_inlined_structure_type_die, gen_inlined_union_type_die,
31464         gen_tagged_type_instantiation_die): Removed.
31465         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
31466         do nothing.
31467
31468 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
31469
31470         PR testsuite/38526
31471         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
31472         its use.
31473         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
31474         (check-parallel-%): Ditto.
31475         (check-consistency): Ditto.
31476
31477 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
31478
31479         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
31480         local variable rhs by NULL_TREE.
31481
31482 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
31483
31484         PR target/39477
31485         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
31486
31487 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
31488
31489         PR target/39476
31490         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
31491
31492 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
31493
31494         PR target/39473
31495         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
31496         for ms->sysv ABI calls only in 64bit mode.
31497
31498         * config/i386/i386.md (untyped_call): Support 32bit.
31499
31500 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
31501
31502         * doc/extend.texi: Replace x86_65 with x86_64.
31503
31504 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
31505
31506         PR tree-optimization/39455
31507         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
31508         mismatches for POINTER_TYPE_P (type).
31509         (number_of_iterations_le): Likewise.
31510
31511 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
31512
31513         * config/picochip/picochip.c: Removed profiling support.
31514         * config/picochip/picochip.md: Removed profiling instruction.
31515         * config/picochip/picochip.h: Removed profiling builtin.
31516
31517 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
31518
31519         * doc/install.texi (--with-host-libstdcxx): Document.
31520
31521 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
31522
31523         PR target/34299
31524         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
31525         generate a warning if the function name does not begin with
31526         "__vector" and the function has either the 'signal' or 'interrupt'
31527         attribute, from here to ...
31528         (avr_declare_function_name): ...here. New function.
31529         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
31530         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
31531
31532 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
31533
31534         PR bootstrap/39454
31535         * cse.c (fold_rtx): Don't modify original const_arg1 when
31536         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
31537         separate variable instead.
31538         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
31539         from out of range shift counts.
31540         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
31541
31542 2009-03-13  Catherine Moore  <clm@codesourcery.com>
31543
31544         * config/i386/x-mingw32 (host-mingw32.o): Replace
31545         diagnostic.h with $(DIAGNOSTIC_H).
31546
31547 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
31548
31549         PR target/39431
31550         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
31551         predicate.
31552         * config/i386/sync.md (sync_compare_and_swap<mode>,
31553         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
31554         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
31555         into a register.
31556         (sync_double_compare_and_swapdi_pic,
31557         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
31558         cmpxchg8b_pic_memory_operand instead of just memory_operand.
31559
31560 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
31561
31562         PR target/39445
31563         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
31564
31565 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
31566
31567         PR target/39327
31568         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
31569         (avx_addsubv4df3): Likewise.
31570         (*avx_addsubv4sf3): Likewise.
31571         (sse3_addsubv4sf3): Likewise.
31572
31573 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
31574
31575         PR target/38824
31576         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
31577
31578 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
31579
31580         PR debug/39432
31581         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
31582         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
31583         registers for allocnos created from user-defined variables.
31584
31585 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
31586
31587         PR target/39181
31588         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
31589         of non-integer mode as well.
31590
31591 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
31592
31593         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
31594         for functions for which the parameter types are unknown.
31595
31596 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
31597
31598         PR target/39137
31599         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
31600         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
31601         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
31602         * config/i386/i386.c (ix86_local_alignment): For
31603         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
31604         long long variables on the stack to avoid dynamic realignment.
31605         Allow the first argument to be a decl rather than type.
31606         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
31607
31608 2009-03-11  Nick Clifton  <nickc@redhat.com>
31609
31610         PR target/5362
31611         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
31612         options.
31613         Add description to mno-lsim option.
31614         * config/mcore/mcore.h: Remove comment about deprecated m4align
31615         option.
31616         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
31617         * doc/invoke.texi: Add description of mno-lsim and
31618         mstack-increment options.
31619
31620         * config/fr30/fr30.opt: Document the -mno-lsim option.
31621         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
31622         and -mno-lsim options.
31623
31624 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
31625
31626         * fold-const.c (fold_comparison): Only call fold_inf_compare
31627         if the mode supports infinities.
31628
31629 2009-03-11  Jason Merrill  <jason@redhat.com>
31630
31631         PR debug/39086
31632         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
31633         end already did.  Notice GIMPLE_CALL modifications of the result.
31634         Don't copy debug information from an ignored decl or a decl from
31635         another function.
31636
31637 2009-03-10  Richard Guenther  <rguenther@suse.de>
31638             Nathan Froyd  <froydnj@codesourcery.com>
31639
31640         PR middle-end/37850
31641         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
31642         (__divMODE3): Likewise.
31643
31644 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
31645
31646         PR tree-optimization/39394
31647         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
31648         DECL_SIZE_UNIT of variable length FIELD_DECLs.
31649
31650 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
31651
31652         * recog.c (verfiy_changes): Disallow renaming of hard regs in
31653         inline asms for register asm ("") declarations.
31654
31655 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
31656
31657         * fold-const.c (fold_unary): Fix comment.
31658
31659 2009-03-07  Jan Hubicka  <jh@suse.cz>
31660
31661         PR target/39361
31662         * tree-inline.c (setup_one_parameter): Do replacement of const
31663         argument by constant in SSA form.
31664
31665 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
31666
31667         PR middle-end/38028
31668         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
31669         determine alignment passed to assign_stack_local.
31670         (assign_parms_unsplit_complex): Likewise.
31671         * except.c (sjlj_build_landing_pads): Likewise.
31672
31673 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
31674
31675         PR middle-end/39360
31676         * tree-flow.h (add_referenced_var): Return bool instead of void.
31677         * tree-dfa.c (add_referenced_var): Return result of
31678         referenced_var_check_and_insert call.
31679         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
31680         of referenced_var_check_and_insert.
31681
31682         PR debug/39372
31683         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
31684         (gen_variable_die): Emit DW_AT_location on abstract static variable's
31685         DIE, don't emit it if abstract origin already has it.
31686         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
31687         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
31688
31689 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
31690
31691         * genpreds.c (needs_variable): Fix parentheses at variable name
31692         detection.
31693         (write_tm_constrs_h): Indent generated code.
31694
31695 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
31696
31697         * doc/extend.texi (Function Attributes): Add documentation
31698         for isr attributes.
31699
31700 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
31701
31702         PR debug/39387
31703         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
31704         take locus from its DECL_SOURCE_LOCATION instead of input_location.
31705
31706 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
31707
31708         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
31709         the loop as bad.
31710
31711 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
31712
31713         PR debug/39379
31714         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
31715         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
31716
31717 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
31718
31719         * config/i386/i386.md (R8_REG, R9_REG): New constants.
31720         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
31721         constants instead of magic numbers.
31722         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
31723         (QI_REG_P): Ditto.
31724         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
31725         (x86_64_ms_abi_int_parameter_registers): Ditto.
31726         (x86_64_int_return_registers): Ditto.
31727         (ix86_maybe_switch_abi): Ditto.
31728         (ix86_expand_call): Ditto for clobbered_registers array.
31729         (ix86_hard_regno_mode_ok): Ditto.
31730         (x86_extended_QIreg_mentioned_p): Ditto.
31731
31732 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
31733
31734         PR tree-optimization/39349
31735         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
31736
31737         * combine.c (gen_lowpart_for_combine): Use omode when generating
31738         clobber.
31739
31740 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
31741
31742         PR rtl-optimization/39235
31743         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
31744
31745 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
31746
31747         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
31748
31749 2009-03-04  Richard Guenther  <rguenther@suse.de>
31750
31751         PR tree-optimization/39362
31752         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
31753         that occur in abnormal PHIs should be varying.
31754
31755 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
31756
31757         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
31758         Extend comments.
31759         (simple_iv):  Take loop as an argument instead of statement.
31760         * tree-scalar-evolution.h (simple_iv): Declaration changed.
31761         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
31762         to simple_iv.
31763         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
31764         Ditto.
31765         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
31766         * matrix-reorg.c (analyze_transpose): Ditto.
31767         * tree-data-ref.c (dr_analyze_innermost): Ditto.
31768         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
31769         * tree-predcom.c (ref_at_iteration): Ditto.
31770         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
31771
31772 2009-03-04  Richard Guenther  <rguenther@suse.de>
31773
31774         PR tree-optimization/39358
31775         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
31776         escaped_id and callused_id.
31777         (solve_graph): Likewise.
31778
31779 2009-03-04  Richard Guenther  <rguenther@suse.de>
31780
31781         PR tree-optimization/39339
31782         * tree-sra.c (try_instantiate_multiple_fields): Make it
31783         no longer ICE on the above.
31784
31785 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
31786
31787         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
31788         that fits within Pmode.
31789
31790 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
31791
31792         PR middle-end/10109
31793         * tm.texi (LIBCALL_VALUE): Update description.
31794
31795 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
31796
31797         PR middle-end/34443
31798         * doc/extend.texi (section): Update description.
31799
31800 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
31801
31802         PR middle-end/39345
31803         * tree-inline.c (remapped_type): New.
31804         (can_be_nonlocal): Call remapped_type instead of remap_type.
31805
31806 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
31807
31808         PR fortran/39354
31809         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
31810         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
31811
31812 2009-03-03  Richard Guenther  <rguenther@suse.de>
31813
31814         PR middle-end/39272
31815         * tree.c (tree_nonartificial_location): New function.
31816         * tree.h (tree_nonartificial_location): Declare.
31817         * builtins.c (expand_builtin_memory_chk): Provide location
31818         of the call location for artificial function pieces.
31819         (maybe_emit_chk_warning): Likewise.
31820         (maybe_emit_sprintf_chk_warning): Likewise.
31821         (maybe_emit_free_warning): Likewise.
31822         * expr.c (expand_expr_real_1): Likewise.
31823
31824 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
31825
31826         PR tree-optimization/39343
31827         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
31828         COMPONENT_REF t has ARRAY_TYPE.
31829
31830 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
31831
31832         PR middle-end/39335
31833         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
31834         when the type precision of the induction variable should be
31835         larger than the type precision of nit.
31836         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
31837         * graphite.c (graphite_loop_normal_form): Same.
31838         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
31839
31840 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
31841
31842         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
31843         (*call_1_rex64_ms_sysv): Use named constants instead of magic
31844         numbers to describe clobbered registers.
31845         (*call_value_0_rex64_ms_sysv): Ditto.
31846         * config/i386/mmx.md (mmx_emms): Ditto.
31847         (mmx_femms): Ditto.
31848
31849 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
31850
31851         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
31852         of ABI_64.
31853
31854 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
31855
31856         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
31857         (spu_section_type_flags): New function.
31858
31859 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
31860
31861         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
31862         reg_class_contents of FLOAT_REGS into a temporary.
31863
31864 2009-03-02  Richard Guenther  <rguenther@suse.de>
31865             Ira Rosen  <irar@il.ibm.com>
31866
31867         PR tree-optimization/39318
31868         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
31869         information to the vectorized statement.
31870
31871 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
31872
31873         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
31874         variable.  Use defined names instead of magic constants for REX SSE
31875         registers.
31876
31877 2009-03-01  Richard Guenther  <rguenther@suse.de>
31878
31879         PR tree-optimization/39331
31880         * omp-low.c (lower_send_shared_vars): Do not receive new
31881         values for the reference of DECL_BY_REFERENCE parms or results.
31882
31883 2009-03-01  Jan Hubicka  <jh@suse.cz>
31884
31885         PR debug/39267
31886         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
31887         BLOCK_NONLOCALIZED_VAR): New macros.
31888         (tree_block): Add nonlocalized_vars.
31889         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
31890         gen_decl_die): Add origin argument.  Allow generation of die with
31891         origin at hand only.
31892         (gen_member_die, gen_type_die_with_usage, force_decl_die,
31893         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
31894         of gen_*.
31895         (gen_block_die): Fix checking for unused blocks.
31896         (process_scope_var): Break out from .... ; work with origins only.
31897         (decls_for_scope) ... here; process nonlocalized list.
31898         (dwarf2out_ignore_block): Look for nonlocalized vars.
31899         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
31900         vars.
31901         (dump_scope_block): Dump them.
31902         * tree-inline.c (remap_decls): Handle nonlocalized vars.
31903         (remap_block): Likewise.
31904         (can_be_nonlocal): New predicate.
31905         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
31906
31907 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
31908
31909         * configure: Regenerate.
31910
31911 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
31912
31913         * optc-gen.awk: No need to duplicate option flags twice.
31914         Reuse help texts for duplicate options which do not have any.
31915
31916         * gcc.c (display_help): Document --version.
31917
31918         * gcc.c (main): If print_help_list and verbose_flag, ensure
31919         driver output comes before subprocess output.
31920
31921         * optc-gen.awk: Assign all remaining fields to help string,
31922         space-separated, for multi-line help in *.opt.
31923
31924         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
31925         -Wno-pedantic-ms-format is for MinGW targets only.
31926
31927         * doc/options.texi (Option file format): Fix bad indentation,
31928         restoring dropped sentence.
31929
31930 2009-02-28  Jan Hubicka  <jh@suse.cz>
31931
31932         * tree-inline.c (tree_function_versioning): Output debug info.
31933
31934 2009-02-28  Jan Hubicka  <jh@suse.cz>
31935
31936         PR debug/39267
31937         * tree-inline.c (setup_one_parameter): Do not copy propagate
31938         arguments when not optimizing.
31939
31940 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
31941
31942         PR target/39327
31943         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
31944         (avx_addsubv4df3): Likewise.
31945         (*avx_addsubv4sf3): Likewise.
31946         (sse3_addsubv4sf3): Likewise.
31947         (*avx_addsubv2df3): Likewise.
31948         (sse3_addsubv2df3): Likewise.
31949         (avx_unpckhps256): Correct item selectors.
31950         (avx_unpcklps256): Likewise.
31951         (avx_unpckhpd256): Likewise.
31952         (avx_unpcklpd256): Likewise.
31953
31954 2009-02-28  Jan Hubicka  <jh@suse.cz>
31955
31956         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
31957         static vars.
31958         (copy_arguments_for_versioning): If var is declared don't declare it.
31959         (tree_function_versioning): First setup substitutions and then copy
31960         args.
31961
31962 2009-02-27  Jan Hubicka  <jh@suse.cz>
31963
31964         PR debug/39267
31965         * cgraph.h (varpool_output_debug_info): Remove.
31966         * cgraphunit.c (varpool_output_debug_info): Remove.
31967         * dwarf2out.c (deferred_locations_struct): New struct
31968         (deferred_locations): New type.
31969         (deferred_locations_list): New static var.
31970         (deffer_location): New function.
31971         (gen_variable_die): Use it.
31972         (decls_for_scope): Output info on local static vars.
31973         (dwarf2out_finish): Process deferred locations.
31974         * varpool.c (varpool_output_debug_info): Remove.
31975
31976 2009-02-27  Jan Hubicka  <jh@suse.cz>
31977
31978         PR debug/39267
31979         * tree.h (TREE_PROTECTED): Fix comment.
31980         (BLOCK_HANDLER_BLOCK): Remove.
31981         (struct tree_block): Remove handler_block add body_block.
31982         (inlined_function_outer_scope_p): New.
31983         (is_body_block): Remove.
31984         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
31985         * dwarf2out.c (is_inlined_entry_point): Remove.
31986         (add_high_low_attributes): Use inlined_function_outer_scope_p.
31987         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
31988         code.
31989         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
31990         * gimplify.c (gimplify_expr): Gimplify body blocks.
31991         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
31992         block with multiple subblocks.
31993         (dump_scope_block): Prettier output; dump more flags and info.
31994         (dump_scope_blocks): New.
31995         (remove_unused_locals): Use dump_scope_blocks.
31996         * tree-flow.h (dump_scope_blocks): Declare.
31997         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
31998         * stmt.c (is_body_block): Remove.
31999         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
32000         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
32001
32002 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
32003
32004         PR middle-end/39308
32005         * graphite.c (graphite_loop_normal_form): Do not call
32006         number_of_iterations_exit from a gcc_assert.
32007
32008 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
32009
32010         * config/s390/s390.c (s390_swap_cmp): Look for conditional
32011         jumps if COND is NULL.
32012         (find_cond_jump): New function.
32013         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
32014         * config/s390/s390.md: Remove z10_cobra attribute value.
32015
32016 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
32017
32018         * config/alpha/alpha.h (alpha_expand_mov): Return false if
32019         force_const_mem returns NULL_RTX.
32020
32021 2009-02-26  Jan Hubicka  <jh@suse.cz>
32022
32023         PR debug/39267
32024         * cgraph.h (varpool_output_debug_info): Remove.
32025         * cgraphunit.c (varpool_output_debug_info): Remove.
32026         * dwarf2out.c (deferred_locations_struct): New struct
32027         (deferred_locations): New type.
32028         (deferred_locations_list): New static var.
32029         (deffer_location): New function.
32030         (gen_variable_die): Use it.
32031         (decls_for_scope): Output info on local static vars.
32032         (dwarf2out_finish): Process deferred locations.
32033         * varpool.c (varpool_output_debug_info): Remove.
32034
32035 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
32036
32037         PR rtl-optimization/39241
32038         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
32039         to subreg_offset_representable_p.
32040
32041 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
32042
32043         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
32044         execute function prototype.  Get f and nregs from max_reg_num
32045         and get_insns.  Remove the first backward pass as it's dead,
32046         guard the forward pass by flag_expensive_optimizations.
32047         (rest_of_handle_regmove): Delete.
32048         (pass_regmove): Replace it with regmove_optimize.
32049
32050 2009-02-25  Martin Jambor  <mjambor@suse.cz>
32051
32052         PR tree-optimization/39259
32053         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
32054         calls_alloca function flags.
32055         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
32056         calls are detected.
32057
32058 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
32059
32060         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
32061         flags_set_1_rtx, flags_set_1_set): Delete.
32062         (regmove_optimize): Do not call mark_flags_life_zones.
32063
32064 2009-02-24  Julian Brown  <julian@codesourcery.com>
32065
32066         PR target/35965
32067         * config/arm/arm.c (require_pic_register): Only set
32068         cfun->machine->pic_reg once per function.
32069
32070 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
32071
32072         * doc/invoke.texi (Link Options): Document an easier way to pass
32073         options that take arguments to the GNU linker using -Xlinker and -Wl.
32074
32075 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
32076
32077         PR target/33785
32078         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
32079
32080 2009-02-24  Richard Guenther  <rguenther@suse.de>
32081
32082         PR debug/39285
32083         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
32084
32085 2009-02-24  Richard Guenther  <rguenther@suse.de>
32086             Zdenek Dvorak  <ook@ucw.cz>
32087
32088         PR tree-optimization/39233
32089         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
32090         from converting them to a generic type.
32091
32092 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
32093
32094         PR tree-optimization/39260
32095         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
32096         contains a condition with a real type.
32097         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
32098
32099 2009-02-23  Jason Merrill  <jason@redhat.com>
32100
32101         PR c++/38880
32102         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
32103         narrowing_initializer_constant_valid_p.
32104         (narrowing_initializer_constant_valid_p): Don't return
32105         null_pointer_node for adding a pointer to itself.
32106
32107 2009-02-23  Jan Hubicka  <jh@suse.cz>
32108
32109         PR c/12245
32110         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
32111         resizing.
32112
32113 2009-02-23  Jan Hubicka  <jh@suse.cz>
32114
32115         PR tree-optimization/37709
32116         * tree.c (block_ultimate_origin): Move here from dwarf2out.
32117         * tree.h (block_ultimate_origin): Declare.
32118         * dwarf2out.c (block_ultimate_origin): Move to tree.c
32119         * tree-ssa-live.c (remove_unused_scope_block_p):
32120         Eliminate blocks containig no instructions nor live variables nor
32121         nested blocks.
32122         (dump_scope_block): New function.
32123         (remove_unused_locals): Enable removal of dead blocks by default;
32124         enable dumping at TDF_DETAILS.
32125
32126 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
32127
32128         * config/i386/i386.c (classify_argument): Don't allow COImode
32129         and OImode.
32130         (function_arg_advance_32): Don't allow OImode.
32131         (function_arg_32): Likewise.
32132         (function_value_32): Likewise.
32133         (return_in_memory_32): Likewise.
32134         (function_arg_64): Remove OImode comment.
32135
32136 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
32137
32138         PR target/39261
32139         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
32140         ix86_expand_vector_set for V4DImode in 64bit mode only.
32141         (ix86_expand_vector_init_one_var): Likewise.
32142
32143 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
32144
32145         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
32146
32147 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
32148
32149         PR bootstrap/39257
32150         * loop-iv.c: Revert last change.
32151         * emit-rtl.c: Likewise.
32152
32153 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
32154
32155         PR target/39256
32156         * config/i386/i386.c (type_natural_mode): Remove an extra
32157         space in the warning message.
32158         (function_value_32): Handle 32-byte vector modes.
32159         (return_in_memory_32): Likewise.
32160
32161 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
32162
32163         * loop-iv.c (truncate_value): New function.
32164         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
32165         of lowpart_subreg.
32166         (lowpart_subreg): Move to...
32167         * emit-rtl.c: ...here.
32168
32169 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
32170
32171         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
32172         accidental and undocumented change at revision 140860.
32173
32174 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
32175
32176         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
32177         take gimple_seq * arguments.
32178         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
32179         types_compatible_p langhook.
32180
32181 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
32182             Joseph Myers  <joseph@codesourcery.com>
32183
32184         * config/arm/arm.c (arm_builtin_va_list): New function.
32185         (arm_expand_builtin_va_start): Likewise.
32186         (arm_gimplify_va_arg_expr): Likewise.
32187         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
32188         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
32189         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
32190         (va_list_type): New variable.
32191         (arm_mangle_type): Mangle va_list_type appropriately.
32192
32193 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
32194
32195         PR middle-end/39157
32196         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
32197         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
32198         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
32199         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
32200         parameter to 1000 for -O1 by default.
32201         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
32202         parameter.
32203         * loop-invariant.c: Include params.h.
32204         (move_loop_invariants): Don't call move_single_loop_invariants on
32205         very large loops.
32206
32207 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
32208
32209         * calls.c (emit_library_call_value_1): Use slot_offset instead of
32210         offset when calculating bounds for indexing stack_usage_map.  Fixes
32211         a buffer overflow with certain target setups.
32212
32213 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
32214
32215         PR target/39240
32216         * calls.c (expand_call): Clear try_tail_call if caller and callee
32217         disagree in promotion of function return value.
32218
32219 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
32220
32221         PR target/39175
32222         * c-common.c (c_determine_visibility): If visibility changed and
32223         DECL_RTL has been already set, call make_decl_rtl to update symbol
32224         flags.
32225
32226 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
32227
32228         PR c++/39188
32229         * varasm.c (assemble_variable): Don't check DECL_NAME when
32230         globalizing a variable.
32231
32232 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
32233
32234         PR c/38483
32235         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
32236         expression before any __builtin_trap call.
32237         * c-typeck.c (build_function_call): Convert and check function
32238         arguments before generating a call to a trap.  Evaluate the
32239         function arguments before the trap.
32240
32241 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
32242
32243         PR target/39228
32244         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
32245         (UNSPEC_FXAM_MEM): New unspec.
32246         (fxam<mode>2_i387_with_temp): New insn and split pattern.
32247         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
32248         memory using fxam<mode>2_i387_with_temp to remove excess precision.
32249
32250 2009-02-19  Richard Guenther  <rguenther@suse.de>
32251
32252         PR tree-optimization/39207
32253         PR tree-optimization/39074
32254         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
32255         storedanything_tree): New.
32256         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
32257         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
32258         (build_succ_graph): Add edges from STOREDANYTHING to all
32259         non-direct nodes.
32260         (init_base_vars): Initialize STOREDANYTHING.
32261         (compute_points_to_sets): Free substitution info after
32262         building the succ graph.
32263         (ipa_pta_execute): Likewise.
32264
32265         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
32266         field.
32267         (do_ds_constraint): Do not add to special var or non-pointer
32268         field solutions.
32269         (type_could_have_pointers): Split out from ...
32270         (could_have_pointers): ... here.  For arrays use the element type.
32271         (create_variable_info_for): Initialize may_have_pointers.
32272         (new_var_info): Likewise.
32273         (handle_lhs_call): Make the HEAP variable unknown-sized.
32274         (intra_create_variable_infos): Use a type with pointers for
32275         PARM_NOALIAS, make it unknown-sized.
32276
32277 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
32278
32279         PR target/39224
32280         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
32281
32282 2009-02-18  Jason Merrill  <jason@redhat.com>
32283
32284         PR target/39179
32285         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
32286         value if DECL_EXTERNAL.
32287         * tree-sra.c (sra_walk_gimple_assign): Likewise.
32288         * target.h (gcc_target::binds_local_p): Clarify "module".
32289         * tree.h (TREE_PUBLIC): Clarify "module".
32290
32291 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
32292
32293         PR target/38891
32294         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
32295         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
32296
32297 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
32298
32299         PR target/39082
32300         * c.opt (Wabi): Support C and ObjC.
32301         (Wpsabi): New.
32302
32303         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
32304
32305         * config/i386/i386.c (classify_argument): Warn once about the ABI
32306         change when passing union with long double.
32307
32308         * doc/invoke.texi: Update -Wabi for warning psABI changes.
32309
32310 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
32311
32312         PR c/35447
32313         * c-parser.c (c_parser_compound_statement): Always enter and leave
32314         a scope.
32315
32316 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
32317
32318         PR target/34587
32319         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
32320
32321 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
32322
32323         PR tree-optimization/36922
32324         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
32325         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
32326         Likewise.
32327
32328 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
32329
32330         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
32331         to 0 for EABI64.
32332
32333 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
32334
32335         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
32336
32337 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
32338
32339         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
32340         tree sharing.
32341
32342 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
32343             Richard Sandiford  <rdsandiford@googlemail.com>
32344
32345         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
32346         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
32347         (loongson_biadd): ...this.
32348
32349 2009-02-17  Richard Guenther  <rguenther@suse.de>
32350
32351         PR tree-optimization/39202
32352         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
32353         a var make sure to follow existing collapses.
32354
32355 2009-02-17  Richard Guenther  <rguenther@suse.de>
32356
32357         PR middle-end/39214
32358         * langhooks.c (lhd_print_error_function): Check for NULL block.
32359
32360 2009-02-17  Richard Guenther  <rguenther@suse.de>
32361
32362         PR tree-optimization/39204
32363         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
32364         of the PHI arg.
32365
32366 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
32367
32368         * config/soft-fp/double.h: Update from glibc CVS.
32369
32370 2009-02-17  Richard Guenther  <rguenther@suse.de>
32371
32372         PR tree-optimization/39207
32373         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
32374         strict-aliasing warnings for pointers pointing to NULL.
32375
32376 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
32377
32378         PR c/35446
32379         * c-parser.c (c_parser_braced_init): Call pop_init_level when
32380         skipping until next close brace.
32381
32382 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
32383
32384         PR target/37049
32385         * config/i386/i386.c (ix86_expand_push): Set memory alignment
32386         to function argument boundary.
32387
32388 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
32389
32390         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
32391         in the lea_add. Reload eventually constraints it properly.
32392         * config/picochip/constraints.md: Remove the target constraint
32393         "b", since it is not needed anymore.
32394
32395 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
32396
32397         * gthr-dce.h: Uglify function parameter and local variable names.
32398         * gthr-gnat.h: Likewise.
32399         * gthr-mipssde.h: Likewise.
32400         * gthr-nks.h: Likewise.
32401         * gthr-posix95.h: Likewise.
32402         * gthr-posix.h: Likewise.
32403         * gthr-rtems.h: Likewise.
32404         * gthr-single.h: Likewise.
32405         * gthr-solaris.h: Likewise.
32406         * gthr-tpf.h: Likewise.
32407         * gthr-vxworks.h: Likewise.
32408         * gthr-win32.h: Likewise.
32409
32410 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
32411
32412         PR target/39196
32413         * config/i386/i386.md: Restrict the new peephole2 to move
32414         between MMX/SSE registers.
32415
32416 2009-02-15  Richard Guenther  <rguenther@suse.de>
32417
32418         Revert
32419         2009-02-13  Richard Guenther  <rguenther@suse.de>
32420
32421         * configure.ac: Enable LFS.
32422         * configure: Re-generate.
32423         * config.in: Likewise.
32424
32425 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
32426
32427         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
32428         spu_srqwbyte, spu_srqwbytebc): Define.
32429         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
32430         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
32431         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
32432         "shrqby_<mode>"): New insn-and-split patterns.
32433         * config/spu/spu.c (expand_builtin_args): Determine and return
32434         number of operands using spu_builtin_description data.
32435         (spu_expand_builtin_1): Use it.
32436
32437 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
32438
32439         PR target/38056
32440         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
32441         TARGET_CONST_GP.
32442
32443 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
32444
32445         PR target/39149
32446         * config/i386/i386.c (override_options): Correct warning
32447         messages for -malign-loops, -malign-jumps and -malign-functions.
32448
32449 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
32450
32451         PR target/39152
32452         * config/i386/i386.md: Restrict the new peephole2 to move
32453         between the general purpose registers.
32454
32455 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
32456
32457         PR target/39162
32458         * config/i386/i386.c (type_natural_mode): Add a new argument.
32459         Return the original mode and warn ABI change if vector size is 32byte.
32460         (function_arg_advance): Updated.
32461         (function_arg): Likewise.
32462         (ix86_function_value): Likewise.
32463         (ix86_return_in_memory): Likewise.
32464         (ix86_sol10_return_in_memory): Likewise.
32465         (ix86_gimplify_va_arg): Likewise.
32466         (function_arg_32): Don't warn ABX ABI change here.
32467         (function_arg_64): Likewise.
32468
32469 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
32470
32471         * loop-iv.c (implies_p): In the final case, test that operands 0
32472         of the two comparisons match.
32473
32474         * config/bfin/bfin.c (find_prev_insn_start): New function.
32475         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
32476         (find_next_insn_start): Move.
32477
32478 2009-02-13  Richard Guenther  <rguenther@suse.de>
32479
32480         * configure.ac: Enable LFS.
32481         * configure: Re-generate.
32482         * config.in: Likewise.
32483
32484 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
32485
32486         PR c/35444
32487         * c-parser.c (c_parser_parms_list_declarator): Discard pending
32488         sizes on syntax error after some arguments have been parsed.
32489
32490 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
32491
32492         * doc/invoke.texi (-fira): Remove.
32493
32494 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
32495
32496         * caller-save.c: Replace regclass.c with reginfo.c in comments.
32497         * recog.c: Likewise.
32498         * rtl.h: Likewise.
32499
32500 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
32501
32502         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
32503         (umul_ppmm): Likewise.
32504         (count_leading_zeros): Likewise.
32505         (count_trailing_zeros): Likewise.
32506         (UMUL_TIME): Likewise.
32507
32508 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
32509
32510         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
32511         soft-fp/t-softfp to tmake_file.
32512
32513         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
32514         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
32515         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
32516         IA64_BUILTIN_INFQ]: New.
32517         (ia64_init_builtins): Initialize __builtin_infq,
32518         __builtin_fabsq and __builtin_copysignq if not HPUX.
32519         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
32520         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
32521
32522         * config/ia64/lib1funcs.asm (__divtf3): Define only if
32523         SHARED is defined.
32524         (__fixtfti): Likewise.
32525         (__fixunstfti): Likewise.
32526         (__floattitf): Likewise.
32527
32528         * config/ia64/libgcc-glibc.ver: New.
32529         * config/ia64/t-fprules-softfp: Likewise.
32530         * config/ia64/sfp-machine.h: Likewise.
32531
32532         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
32533         (LIBGCC2_TF_CEXT): Likewise.
32534         (TF_SIZE): Likewise.
32535         (TARGET_INIT_LIBFUNCS): Likewise.
32536
32537         * config/ia64/t-glibc (SHLINB_MAPFILES):
32538         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
32539
32540 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
32541
32542         * config/i386/i386.c (construct_container): Rewrite processing
32543         BLKmode with X86_64_SSE_CLASS.
32544
32545 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
32546
32547         PR target/39152
32548         * config/i386/i386.md: Replace simplify_replace_rtx with
32549         replace_rtx in the new peephole2.
32550
32551 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
32552
32553         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
32554         loop unrolling do not happen at -O2.
32555
32556 2009-02-12  Michael Matz  <matz@suse.de>
32557
32558         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
32559
32560 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
32561
32562         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
32563         for -g3.
32564
32565 2009-02-12  Ben Elliston  <bje@au.ibm.com>
32566
32567         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
32568         patterns when updating the back chain.  Missed in the 2009-02-10
32569         change.
32570
32571 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
32572
32573         * doc/extend.texi (Decimal Floating Types): Update identifier of
32574         draft TR and list of missing support.
32575
32576 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
32577
32578         PR middle-end/39154
32579         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
32580         bit to variable length decl's flags, add it also to its
32581         pointer replacement variable.
32582
32583 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
32584             Jakub Jelinek  <jakub@redhat.com>
32585
32586         PR target/39118
32587         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
32588         (memory_blockage): New expander.
32589         (*memory_blockage): New insn pattern.
32590         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
32591         instead of general blockage at the end of function prologue when
32592         frame pointer is used to access red zone area.  Do not emit blockage
32593         when profiling, it is emitted in generic code.
32594         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
32595         function epilogue when frame pointer is used to access red zone area.
32596
32597 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
32598
32599         PR target/38824
32600         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
32601         by arithmetic with memory operands.
32602         * config/i386/predicates.md (commutative_operator): New.
32603
32604 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
32605
32606         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
32607         bulleted lists.
32608
32609 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
32610
32611         * alias.h (record_alias_subset): Declare.
32612         * alias.c (record_alias_subset): Make global.
32613
32614 2009-02-10  Nick Clifton  <nickc@redhat.com>
32615
32616         * tree-parloops.c: Change license to GPLv3.
32617         * ipa-struct-reorg.c: Change license to GPLv3.
32618         * ipa-struct-reorg.h: Change license to GPLv3.
32619
32620 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
32621
32622         PR c/39084
32623         * c-decl.c (start_struct): Return NULL on error.
32624
32625 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
32626
32627         PR middle-end/39124
32628         * cfgloopmanip.c (remove_path): Call remove_bbs after
32629         cancel_loop_tree, not before it.
32630
32631         PR target/39139
32632         * function.h (struct function): Add has_local_explicit_reg_vars bit.
32633         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
32634         VAR_DECLs were seen.
32635         * tree-ssa-live.c (remove_unused_locals): Recompute
32636         cfun->has_local_explicit_reg_vars.
32637         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
32638         copies or clearings if cfun->has_local_explicit_reg_vars.
32639
32640 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
32641
32642         PR target/39118
32643         * config/i386/i386.c (expand_prologue): Emit blockage at the end
32644         of function prologue when frame pointer is used to access
32645         red zone area.
32646
32647 2009-02-10  Richard Guenther  <rguenther@suse.de>
32648
32649         PR middle-end/39127
32650         * gimplify.c (gimple_regimplify_operands): Always look if
32651         we need to create a temporary.
32652
32653 2009-02-10  Richard Guenther  <rguenther@suse.de>
32654
32655         PR tree-optimization/39132
32656         * tree-loop-distribution.c (todo): New global var.
32657         (generate_memset_zero): Trigger TODO_rebuild_alias.
32658         (tree_loop_distribution): Return todo.
32659
32660 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
32661
32662         PR target/39119
32663         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
32664         (x86_64_reg_class_name): Removed.
32665         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
32666         first one isn't X86_64_SSE_CLASS or any other ones aren't
32667         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
32668         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
32669         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
32670         and 3 X86_64_SSEUP_CLASS.
32671         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
32672         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
32673
32674 2009-02-10  Ben Elliston  <bje@au.ibm.com>
32675
32676         * config/rs6000/rs6000.md (allocate_stack): Always use an update
32677         form instruction to update the stack back chain word, even if the
32678         user has disabled the generation of update instructions.
32679         (movdi_<mode>_update_stack): New.
32680         (movsi_update_stack): Likewise.
32681         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
32682         always use an update form instruction to update the stack back
32683         chain word.
32684
32685 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
32686
32687         PR middle-end/38953
32688         * graphite.c (if_region_set_false_region): After moving a region in
32689         the false branch of a condition, remove the empty dummy basic block.
32690         (gloog): Remove wrong fix for PR38953.
32691
32692 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
32693
32694         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
32695         generation due to implicit sign extension.
32696
32697 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
32698
32699         PR middle-end/38981
32700         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
32701         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
32702
32703 2009-02-09  Richard Guenther  <rguenther@suse.de>
32704
32705         PR middle-end/35202
32706         * convert.c (convert_to_real): Disable (float)fn((double)x)
32707         to fnf(x) conversion if errno differences may occur and
32708         -fmath-errno is set.
32709
32710 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
32711
32712         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
32713         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
32714         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
32715
32716 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
32717
32718         PR c/35434
32719         * c-common.c (handle_alias_attribute): Disallow attribute for
32720         anything not a FUNCTION_DECL or VAR_DECL.
32721
32722 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
32723
32724         PR c/39035
32725         * real.c (do_compare): Special-case compare of zero against
32726         decimal float value.
32727
32728 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
32729
32730         PR c/36432
32731         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
32732         as indicating flexible array members unless the field itself is
32733         being declarared as the incomplete array.
32734
32735 2009-02-06  Jan Hubicka  <jh@suse.cz>
32736
32737         PR tree-optimization/38844
32738         * ipa-inline.c (try_inline): Stop inlining recursion when edge
32739         is already inlined.
32740
32741 2009-02-06  Richard Guenther  <rguenther@suse.de>
32742
32743         PR middle-end/38977
32744         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
32745         fork because we may expand it as __gcov_fork.
32746
32747 2009-02-06  Nick Clifton  <nickc@redhat.com>
32748
32749         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
32750
32751 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
32752
32753         PR tree-optimization/35659
32754         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
32755         vn_phi_eq): Shortcut if hashcode does not match.
32756         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
32757         NULL operands.
32758         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
32759         and avoid iterative_hash_expr.
32760         (FOR_EACH_VALUE_ID_IN_SET): New.
32761         (value_id_compare): Remove.
32762         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
32763         sort expressions by value id.
32764
32765 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
32766
32767         PR target/38991
32768         * config/sh/predicates.md (general_movsrc_operand): Don't check
32769         the subreg of system registers here.
32770
32771 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
32772
32773         PR c++/39106
32774         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
32775         on the copied decl.
32776
32777 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
32778
32779         PR rtl-optimization/39110
32780         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
32781         addresses, not aligned ones.
32782
32783 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
32784             Richard Guenther  <rguenther@suse.de>
32785
32786         PR tree-optimization/39100
32787         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
32788         comment says and add edges.
32789
32790 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
32791
32792         PR c/35435
32793         * c-common.c (handle_tls_model_attribute): Ignore attribute for
32794         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
32795
32796 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
32797
32798         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
32799         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
32800         register_bb_in_sese, new_sese, free_sese): Moved.
32801         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
32802         outermost_loop_in_scop, build_scop_iteration_domain,
32803         expand_scalar_variables_ssa_name, get_vdef_before_scop,
32804         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
32805         Use loop_in_sese_p instead of loop_in_scop_p.
32806         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
32807         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
32808         (scopdet_basic_block_info): Fix bug in scop detection.
32809         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
32810         eq_loop_to_cloog_loop): Remove.
32811         (nb_loops_around_loop_in_scop, nb_loop
32812         ref_nb_loops): Moved here...
32813         * graphite.h (ref_nb_loops): ... from here.
32814         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
32815         (loop_domain_dim, loop_iteration_vector_dim): Remove.
32816         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
32817
32818 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
32819             Hans-Peter Nilsson  <hp@axis.com>
32820
32821         PR rtl-optimization/37889
32822         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
32823         Move offset handling from PLUS to before the switch.  Use new
32824         arguments when considering SYMBOL_REFs too.
32825         (rtx_addr_can_trap_p): Pass dummy offset and size.
32826         (enum may_trap_p_flags): Remove.
32827         (may_trap_p_1): Pass size from MEM_SIZE.
32828
32829         PR rtl-optimization/38921
32830         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
32831         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
32832         * rtlanal.c (may_trap_after_code_motion_p): Delete.
32833         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
32834
32835 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
32836
32837         AVX Programming Reference (January, 2009)
32838         * config/i386/sse.md (*vpclmulqdq): New.
32839
32840 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
32841
32842         PR tree-optimization/38977
32843         PR gcov-profile/38292
32844         * calls.c (special_function_p): Disregard __builtin_ prefix.
32845
32846 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
32847
32848         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
32849         non-indexable addresses even before reload.
32850
32851 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
32852
32853         PR c/29129
32854         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
32855         as having variable size.  Do not give an error for unnamed
32856         parameters with [*] declarators.  Give a warning for type names
32857         with [*] declarators and mark them as variable size.
32858         * c-parser.c (c_parser_sizeof_expression): Do not give an error
32859         for sizeof applied to [*] type names.
32860
32861 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
32862
32863         PR C++/36607
32864         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
32865
32866 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
32867
32868         * gcc.c (process_command): Update copyright notice dates.
32869         * gcov.c (print_version): Likewise.
32870         * gcov-dump.c (print_version): Likewise.
32871         * mips-tfile.c (main): Likewise.
32872         * mips-tdump.c (main): Likewise.
32873
32874 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
32875
32876         PR c/35433
32877         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
32878         for composite type involving a zero-length array type.
32879
32880 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
32881
32882         PR target/35318
32883         * function.c (match_asm_constraints_1): Skip over
32884         initial optional % in the constraint.
32885
32886         PR inline-asm/39059
32887         * c-parser.c (c_parser_postfix_expression): If fixed point is not
32888         supported, don't accept FIXED_CSTs.
32889         * c-decl.c (finish_declspecs): Error if fixed point is not supported
32890         and _Sat is used without _Fract/_Accum.  Set specs->type to
32891         integer_type_node for cts_fract/cts_accum if fixed point is not
32892         supported.
32893
32894 2009-02-02  Catherine Moore  <clm@codesourcery.com>
32895
32896         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
32897
32898 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
32899
32900         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
32901         (ABI_HAS_64BIT_SYMBOLS): Use it.
32902         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
32903
32904 2009-02-02  Paul Brook  <paul@codesourcery.com>
32905
32906         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
32907
32908 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
32909
32910         PR inline-asm/39058
32911         * recog.h (asm_operand_ok): Add constraints argument.
32912         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
32913         recurse on matching constraint.
32914         (check_asm_operands): Pass constraints as 3rd argument to
32915         asm_operand_ok.  Don't look up matching constraint here.
32916         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
32917         to asm_operand_ok.
32918
32919 2009-02-02  Ben Elliston  <bje@au.ibm.com>
32920
32921         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
32922         TARGET_NARROW_VOLATILE_BITFIELD macro names.
32923
32924 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
32925
32926         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
32927         information.  Remove some obsolete information.  Reorganize.
32928
32929         * config/pa/fptr.c: Revert license to GPL 2.
32930         * config/pa/milli64.S: Likewise.
32931
32932 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
32933
32934         PR target/38904
32935         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
32936         LIBRARY name in, instead of hard-coding it.
32937         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
32938         extra target make frag to tmake_files according to EH model.
32939         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
32940         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
32941         frags that define makefile variable EH_MODEL appropriately.
32942         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
32943         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
32944         to "-sjlj" according to type of EH configured.
32945         (LIBGCC_SONAME):  Concatenate it to shared library base name.
32946         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
32947         to "_sjlj" according to type of EH configured.
32948         (LIBGCC_SONAME):  Concatenate it to shared library base name.
32949         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
32950         (SHLIB_LINK):  Add missing semicolon to if-else construct.
32951         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
32952         string value of "pe_dll" command-line option.
32953         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
32954         (SHLIB_SONAME):  Use it when overriding t-cygming default.
32955         (SHLIB_IMPLIB):  Override t-cygming default.
32956         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
32957         string value of "pe_dll" command-line option.
32958
32959 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
32960
32961         PR target/38952
32962         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
32963         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
32964
32965 2009-01-31  Richard Guenther  <rguenther@suse.de>
32966
32967         PR tree-optimization/38937
32968         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
32969         computing the transitive closure.
32970
32971 2009-01-30  Richard Guenther  <rguenther@suse.de>
32972
32973         PR tree-optimization/39041
32974         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
32975         Propagate variable indices only if the types match for this stmt.
32976
32977 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
32978
32979         PR target/39013
32980         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
32981         inline but never defined.
32982
32983 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
32984
32985         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
32986         (*insv_h_di_reg_extimm): New insn.
32987         (*insv_l<mode>_reg_extimm): New insn.
32988
32989 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
32990
32991         * config/picochip/picochip.c (flag_conserve_stack): set
32992         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
32993         fconserve-stack. Reduce call-overhead used by inliner.
32994
32995 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
32996
32997         PR/38157
32998         * common.opt (flag_conserve_stack): Initialised to zero.
32999
33000 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
33001
33002         PR/39002
33003         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
33004         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
33005         method.
33006
33007 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
33008
33009         * ira-color.c (allocno_reload_assign): Update comments.
33010         * regmove.c (regmove_optimize): Likewise.
33011
33012         * ra.h: Removed.
33013
33014 2009-01-29  Robert Millan  <rmh@aybabtu.com>
33015
33016         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
33017         * config/i386/kopensolaris-gnu.h: New file.  Undefine
33018         `MD_UNWIND_SUPPORT'.
33019         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
33020
33021 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
33022
33023         PR tree-optimization/39007
33024         * tree-loop-distribution.c (generate_builtin): Use
33025         recompute_dominator to compute the immediate dominator of the
33026         basic block just after the loop.
33027
33028 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
33029
33030         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
33031         (ASM_OUTPUT_DWARF_PCREL): Define.
33032
33033 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
33034
33035         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
33036         * doc/passes.texi: Remove entries about regclass, local-alloc, and
33037         global.  Modify entries about regmove and IRA.
33038
33039         * ra-conflict.c: Remove the file.
33040
33041         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
33042
33043         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
33044         (pass_regclass_init): Rename to pass_reginfo_init.
33045
33046         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
33047
33048         * toplev.h (flag_ira): Remove.
33049
33050         * caller-save.c (setup_save_areas): Remove flag_ira.
33051
33052         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
33053
33054         * global.c: Remove the file.
33055
33056         * opts.c (decode_options): Remove flag_ira.
33057
33058         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
33059
33060         * regmove.c: Modify file description.
33061         (find_use_as_address, try_auto_increment): Define them only if
33062         AUTO_INC_DEC is defined.
33063         (replacement_quality, replace_in_call_usage, fixup_match_1,
33064         stable_and_no_regs_but_for_p): Remove.
33065         (reg_set_in_bb): Make it static.
33066         (regmove_optimize): Remove flag_ira and code which worked for
33067         !flag_ira.
33068
33069         * local-alloc.c: Remove the file.
33070
33071         * common.opt (fira): Remove.
33072
33073         * ira.c: Include except.h.
33074         (eliminable_regset): Move from global.c.
33075         (mark_elimination): Ditto.  Remove flag_ira.
33076         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
33077         equiv_mem_modified, validate_equiv_mem_from_store,
33078         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
33079         contains_replace_regs, memref_referenced_p, memref_used_between_p,
33080         no_equiv, recorded_label_ref): Move from local-alloc.c.
33081         (update_equiv_regs): Ditto.  Make it static.
33082         (print_insn_chain, print_insn_chains): Move it from global.c.
33083         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
33084         (build_insn_chain): Ditto.  Make it static.
33085         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
33086         Rename to init_live_subregs.
33087         (gate_ira): Remove flag_ira.
33088
33089         * regclass.c: Rename reginfo.c.  Change file description.
33090         (FORBIDDEN_INC_DEC_CLASSES): Remove.
33091         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
33092         (init_reg_sets_1): Remove code for evaluation of
33093         reg_class_superclasses and losing_caller_save_reg_set.
33094         (init_regs): Remove init_reg_autoinc.
33095         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
33096         ok_for_base_p_nonstrict): Remove.
33097         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
33098         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
33099         corresponding entries.
33100         (dump_regclass, record_operand_costs, scan_one_insn,
33101         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
33102         record_address_regs, auto_inc_dec_reg_p): Remove.
33103         (gt-regclass.h): Rename to gt-reginfo.h.
33104
33105         * rtl.h (dump_global_regs, retry_global_alloc,
33106         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
33107
33108         * Makefile.in (RA_H): Remove.
33109         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
33110         Rename regclass.o to reginfo.o.
33111         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
33112         gt-reginfo.h.
33113         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
33114         (GTFILES): Rename regclass.c to reginfo.c.
33115
33116         * passes.c (init_optimization_passes): Remove pass_local_alloc and
33117         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
33118
33119         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
33120         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
33121         Remove flag_ira.
33122         (finish_spills): Ditto.  Remove code for !flag_ira.
33123
33124 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
33125
33126         PR middle-end/35854
33127         * doc/invoke.texi (rtl debug options): Complete rewrite.
33128         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
33129         to auto_inc_dec".
33130         * mode-switching.c (pass_mode_switching): Rename pass from
33131         "mode-sw" to "mode_sw".
33132         * except.c (pass_convert_to_eh_ranges): Rename pass from
33133         "eh-ranges" to "eh_ranges".
33134         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
33135         to "subreg1".
33136
33137
33138 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
33139             Alexander Monakov  <amonakov@ispras.ru>
33140
33141         PR middle-end/38857
33142         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
33143         register.
33144         (move_exprs_to_boundary): Change return type and pass through
33145         should_move from move_op.  Relax assert.  Update usage ...
33146         (schedule_expr_on_boundary): ... here.  Use should_move instead of
33147         cant_move.
33148         (move_op_orig_expr_found): Indicate that insn was disconnected from
33149         stream.
33150         (code_motion_process_successors): Do not call after_merge_succs
33151         callback if original expression was not found when traversing any of
33152         the branches.
33153         (code_motion_path_driver): Change return type.  Update prototype.
33154         (move_op): Update comment.  Add a new parameter (should_move).  Update
33155         prototype.  Set *should_move based on indication provided by
33156         move_op_orig_expr_found.
33157
33158 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
33159
33160         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
33161         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
33162         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
33163         * config/rs6000/rs6000.c (rs6000_override_options): Default
33164         avoid-indexed-addresses on for Power6, off for everything else.
33165         (avoiding_indexed_address_p): New function.
33166         (rs6000_legitimize_address): Use it.
33167         (rs6000_legitimate_address): Likewise.
33168         * config/rs6000/rs6000.md (movXX_updateX): Likewise
33169
33170 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
33171
33172         PR tree-optimization/38997
33173         * tree-loop-distribution.c (generate_memset_zero): Use
33174         POINTER_PLUS_EXPR for a pointer addition.
33175
33176 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
33177
33178         * config/s390/s390.md (bswap<mode>2): New pattern added.
33179
33180 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
33181
33182         * config/s390/s390.md (*tls_load_31): Added type attribute.
33183
33184 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
33185
33186         * config/s390/s390.md: Fix a few comments.
33187
33188 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
33189
33190         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
33191         (*tm<mode>_full): Fixed z10prop attribute.
33192         (*tst<mode>_extimm): Fixed z10prop attribute.
33193         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
33194         (*tstqiCCT_cconly): Fixed z10prop attribute.
33195         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
33196         (*movsi_larl): Fixed z10prop attribute.
33197         (*movsi_zarch): Fixed z10prop attribute.
33198         (*movsi_eas): Fixed z10prop attribute.
33199         (*movhi): Fixed z10prop attribute.
33200         (*movqi): Fixed z10prop attribute.
33201         (*movstrictqi): Fixed z10prop attribute.
33202         (*mov<mode>): Fixed z10prop attribute.
33203         (*movcc): Fixed z10prop attribute.
33204         (*sethighpartdi_64): Fixed z10prop attribute.
33205         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
33206         (*negdi2_sign_cc): Fixed z10prop attribute.
33207         (*negdi2_sign): Fixed z10prop attribute.
33208         (*absdi2_sign_cc): Fixed z10prop attribute.
33209         (*absdi2_sign): Fixed z10prop attribute.
33210         (*negabsdi2_sign_cc): Fixed z10prop attribute.
33211         (*negabsdi2_sign): Fixed z10prop attribute.
33212         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
33213         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
33214         (doloop_si64): Fixed z10prop attribute.
33215         (doloop_si31): Fixed z10prop attribute.
33216         (doloop_long): Fixed z10prop attribute.
33217         (indirect_jump): Fixed z10prop attribute.
33218         (nop): Fixed z10prop attribute.
33219         (main_base_64): Fixed z10prop attribute.
33220         (reload_base_64): Fixed z10prop attribute.
33221
33222 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
33223
33224         PR rtl-optimization/38740
33225         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
33226         if !optimize.
33227         * config/mips/mips.c (mips_reorg): Likewise.
33228
33229 2009-01-28  Richard Guenther  <rguenther@suse.de>
33230
33231         PR tree-optimization/38926
33232         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
33233         with the correct value id to a value.
33234         (do_regular_insertion): Use the value number of edoubleprime
33235         for the value number of the expr.
33236
33237         Revert
33238         2008-08-21  Richard Guenther  <rguenther@suse.de>
33239
33240         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
33241         a PHI ask VN if it is already available.
33242         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
33243         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
33244
33245 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
33246
33247         PR middle-end/38934
33248         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
33249         set to varying whenever max has TREE_OVERFLOW set, similarly
33250         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
33251
33252 2009-01-28  Richard Guenther  <rguenther@suse.de>
33253
33254         PR middle-end/38908
33255         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
33256         uninitialized aggregate uses in call arguments.
33257
33258 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
33259
33260         PR tree-optimization/38984
33261         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
33262         the nothing_id variable if -fno-delete-null-pointer-checks.
33263
33264 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
33265
33266         PR target/38988
33267         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
33268         (set_got_offset_rex64): Ditto.
33269
33270 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
33271
33272         PR target/38941
33273         * doc/extend.texi: Improve local variable with asm reg.
33274
33275 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
33276
33277         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
33278         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
33279         was not supplied then set warn_packed_bitfield_compat to the
33280         default value of 1.
33281         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
33282         against 1.
33283
33284 2009-01-27  Richard Guenther  <rguenther@suse.de>
33285
33286         PR tree-optimization/38503
33287         * cfgexpand.c (expand_gimple_basic_block): Ignore
33288         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
33289         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
33290         variables that cannot have TBAA applied.
33291         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
33292         statements.
33293
33294 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
33295
33296         PR middle-end/38969
33297         * calls.c (initialize_argument_information): Do not wrap complex
33298         arguments in SAVE_EXPR.
33299
33300 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
33301
33302         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
33303         (INSTALL_LIBGCC): Revert typo commit.
33304
33305 2009-01-26  Richard Guenther  <rguenther@suse.de>
33306
33307         PR tree-optimization/38745
33308         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
33309         from special handling.
33310
33311 2009-01-26  Richard Guenther  <rguenther@suse.de>
33312
33313         PR tree-optimization/38745
33314         * tree-ssa.c (execute_update_addresses_taken): Do not include
33315         variables that cannot possibly be a register in not_reg_needs.
33316         Do not clear TREE_ADDRESSABLE on vars that may not become
33317         registers.
33318         * tree-ssa.c (update_alias_info_1): Include those in the set
33319         of addressable vars.
33320
33321 2009-01-26  Richard Guenther  <rguenther@suse.de>
33322
33323         PR middle-end/38851
33324         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
33325         * tree-ssa-dse.c: Include langhooks.h
33326         (execute_simple_dse): Remove stores with zero size.
33327
33328 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
33329
33330         PR c/38957
33331         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
33332         as PLUS_EXPR.
33333
33334 2009-01-24  Julian Brown  <julian@codesourcery.com>
33335
33336         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
33337         config/arm/linux-atomic.c.
33338         * config/arm/linux-atomic.c: New.
33339
33340 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
33341
33342         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
33343         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
33344         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
33345
33346 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
33347
33348         PR c/38938
33349         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
33350         properly.
33351
33352 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
33353
33354         PR tree-optimization/38953
33355         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
33356         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
33357         (gloog): Split the exit of the scop when the scop exit is a loop exit.
33358         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
33359         changed the CFG.
33360
33361 2009-01-24  Paul Brook  <paul@codesourcery.com>
33362
33363         * config/arm/neon.md (neon_type): Move to arm.md.
33364         (neon_mov<VSTRUCT>): Add neon_type attribute.
33365         * config/arm/arm.md (neon_type): Move to here.
33366         (conds): Add "unconditioal" and use as default for NEON insns.
33367
33368 2009-01-24  Ben Elliston  <bje@au.ibm.com>
33369
33370         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
33371         void *' warning from -Wc++-compat.
33372         * Makefile.in (dominance.o-warn): Remove.
33373
33374 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
33375
33376         PR tree-optimization/38932
33377         * fold-const.c (fold_unary_ignore_overflow): New.
33378         * tree.h (fold_unary_ignore_overflow): Declare.
33379         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
33380         * tree-ssa-sccvn.c (visit_reference_op_load,
33381         simplify_unary_expression): Likewise.
33382
33383 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
33384
33385         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
33386         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
33387         regardless of their type.
33388         * c-common.c (handle_packed_attribute): Don't ignore packed on
33389         bitfields.
33390         * c.opt (Wpacked-bitfield-compat): New warning option.
33391         * stor-layout.c (place_field): Warn if offset of a field changed.
33392         * doc/extend.texi (packed): Mention the ABI change.
33393         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
33394         (Warning Options): Add it to the list.
33395
33396 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
33397
33398         * c-opts.c (c_common_post_options): Fix a typo in comments.
33399
33400 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
33401
33402         PR middle-end/38615
33403         * gimplify.c (gimplify_init_constructor): Fix promotion of const
33404         variables to static.
33405         * doc/invoke.texi (-fmerge-all-constants): Update description.
33406
33407 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
33408
33409         PR target/38931
33410         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
33411         (*movdi_1_rex64): Use type "mmx" for alternative 5.
33412
33413 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
33414
33415         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
33416         a word boundary.
33417         (LOCAL_ALIGNMENT): Similarly.
33418
33419 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
33420             Joseph Myers  <joseph@codesourcery.com>
33421
33422         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
33423         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
33424         * config/arm/arm-tune.md: Regenerate.
33425         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
33426         -march=iwmmxt2.
33427
33428 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
33429
33430         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
33431         version number to five.
33432
33433 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
33434
33435         PR c++/38930
33436         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
33437         * c-common.c (set_underlying_type): Likewise.
33438         (is_typedef_decl ): Likewise
33439         * tree.h: Likewise
33440         (set_underlying_type): Likewise.
33441         (is_typedef_type): Likewise.
33442
33443 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
33444
33445         PR middle-end/38587
33446         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
33447         crossing setjmps.
33448
33449 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
33450
33451         PR bootstrap/37660
33452         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
33453         (LIBGCC_SPEC):  Don't define.
33454         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
33455
33456 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
33457
33458         PR rtl-optimization/38879
33459         * alias.c (base_alias_check): Unaligned access via AND address can
33460         alias all surrounding object types except those with sizes equal
33461         or wider than the size of unaligned access.
33462
33463 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
33464
33465         PR c++/26693
33466         * c-decl.c (clone_underlying_type): Move this ...
33467         * c-common.c (set_underlying_type): ... here.
33468         Also, make sure the function properly sets TYPE_STUB_DECL() on
33469         the newly created typedef variant type.
33470         (is_typedef_decl ): New entry point.
33471         * tree.h: Added a new member member_types_needing_access_check to
33472         struct tree_decl_non_common.
33473         (set_underlying_type): New entry point.
33474         (is_typedef_type): Likewise.
33475
33476 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
33477
33478         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
33479         Check whether two instructions have memory references that
33480         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
33481         are helper functions for traversing.
33482         * alias.h (insn_alias_sets_confilict_p): New prototypes.
33483         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
33484         not to draw dependency edge for instructions with non-conflicting
33485         alias sets.
33486
33487 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
33488
33489         PR other/38758
33490         * longlong.h: Update copyright years.  Use soft-fp license notice.
33491         Sync __clz_tab declaration with glibc.
33492
33493 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
33494
33495         PR target/30687
33496         * doc/extend.texi (syscall_linkage): New.
33497         (version_id): Modify.
33498
33499 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
33500             Richard Guenther  <rguenther@suse.de>
33501
33502         PR tree-optimization/38747
33503         PR tree-optimization/38748
33504         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
33505         conversion if the base address is an indirect reference and the
33506         aliasing sets could cause issues.
33507
33508 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
33509
33510         * common.opt (fgraphite, fgraphite-identity): Add comment for
33511         explaining why these options are not documented.
33512
33513 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
33514
33515         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
33516         gimple_call_lhs is NULL.
33517
33518 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
33519
33520         PR target/38868
33521         * emit-rtl.c (adjust_address_1): Make sure memref is never
33522         overwritten.
33523
33524 2009-01-20  Ben Elliston  <bje@au.ibm.com>
33525
33526         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
33527         const qualifier from arg parameter. Remove unnecessary cast to char *.
33528         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
33529         const qualifier from arg 2.
33530
33531 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
33532
33533         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
33534
33535 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
33536
33537         PR c/38869
33538         * rtl.h (reinit_regs): New prototype.
33539         * regclass.c: Include ira.h.
33540         (reinit_regs): New.
33541         * Makefile.in (regclass.o): Add ira.h.
33542         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
33543
33544 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
33545
33546         PR target/38736
33547         * c-common.c (handle_aligned_attribute): Use
33548         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
33549         default alignment value.
33550
33551         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
33552
33553         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
33554         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
33555
33556         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
33557         __BIGGEST_ALIGNMENT__.
33558
33559         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
33560
33561 2009-01-18  Richard Guenther  <rguenther@suse.de>
33562
33563         PR tree-optimization/38819
33564         * tree-flow.h (operation_could_trap_helper_p): Declare.
33565         * tree-eh.c (operation_could_trap_helper_p): Export.
33566         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
33567         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
33568         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
33569         are about to insert a possibly trapping instruction and fail
33570         in this case.
33571
33572 2009-01-18  Andreas Schwab  <schwab@suse.de>
33573
33574         * doc/install.texi (Configuration): Remove obsolete paragraph
33575         about use of --with-gnu-ld with --with-gnu-as.
33576
33577 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
33578
33579         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
33580         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
33581         Follow spelling conventions.
33582
33583 2009-01-18  Ben Elliston  <bje@au.ibm.com>
33584
33585         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
33586         C++ warning about implicit conversion from void * to struct
33587         bitmap_head_def *.
33588         (bitmap_obstack_free): Likewise for bitmap_element *.
33589         * Makefile.in (bitmap.o-warn): Remove.
33590
33591 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
33592
33593         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
33594
33595 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
33596             Tobias Grosser  <tobi.grosser@amd.com>
33597
33598         * graphite.c (graphite_trans_scop_block): Do not block single
33599         nested loops.
33600
33601 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
33602
33603         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
33604         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
33605         test with assertion.
33606
33607 2009-01-16  Richard Guenther  <rguenther@suse.de>
33608
33609         PR tree-optimization/38835
33610         PR middle-end/36227
33611         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
33612         and INT + PTR -> (INT)(PTR p+ INT) folding.
33613         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
33614
33615 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
33616
33617         PR target/38554
33618         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
33619         the subreg from a lowpart subreg if it is also casting the value.
33620
33621 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
33622             Tobias Grosser  <tobi.grosser@amd.com>
33623
33624         * graphite.c (compare_prefix_loops): New.
33625         (build_scop_canonical_schedules): Rewritten.
33626         (graphite_transform_loops): Move build_scop_canonical_schedules
33627         after build_scop_iteration_domain.
33628
33629 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
33630             Tobias Grosser  <tobi.grosser@amd.com>
33631
33632         * graphite.c (add_conditions_to_domain): Add the loops to
33633         the dimension of the iteration domain.  Do copy the domain
33634         only when it exists.
33635         (build_scop_conditions_1): Do not call add_conditions_to_domain.
33636         (add_conditions_to_constraints): New.
33637         (can_generate_code_stmt, can_generate_code): Removed.
33638         (gloog): Do not call can_generate_code.
33639         (graphite_transform_loops): Call add_conditions_to_constraints
33640         after building the iteration domain.
33641
33642 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
33643
33644         PR tree-optimization/38789
33645         * tree-ssa-threadedge.c
33646         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
33647         __builtin_constant_p.
33648
33649 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
33650
33651         * dce.c (delete_unmarked_insns): Reversed the order that insns are
33652         examined before deleting them.
33653
33654 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
33655
33656         * function.c (aggregate_value_p): Correctly extract the function
33657         type from CALL_EXPR_FN lookup.
33658
33659 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
33660
33661         * config/picochip/picochip.c (picochip_override_options): Revert
33662         CFI asm flag disable commited previously.
33663
33664 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
33665             Tobias Grosser  <tobi.grosser@amd.com>
33666             Jan Sjodin  <jan.sjodin@amd.com>
33667
33668         * graphite.c (scan_tree_for_params): On substractions negate
33669         all the coefficients of the term.
33670         (clast_to_gcc_expression_red): New.  Handle reduction expressions
33671         of more than two operands.
33672         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
33673         (get_vdef_before_scop): Handle also the case of default definitions.
33674
33675 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
33676
33677         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
33678         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
33679         Also use them when walking CALL_INSN_FUNCTION_USAGE.
33680
33681 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
33682             Joey Ye  <joey.ye@intel.com>
33683
33684         PR middle-end/37843
33685         * cfgexpand.c (expand_stack_alignment): Don't update stack
33686         boundary nor check incoming stack boundary here.
33687         (gimple_expand_cfg): Update stack boundary and check incoming
33688         stack boundary here.
33689
33690 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
33691
33692         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
33693
33694 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
33695
33696         PR rtl-optimization/38245
33697         * calls.c (expand_call): Add stack arguments to
33698         CALL_INSN_FUNCTION_USAGE even for pure calls (when
33699         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
33700         in regs and partially in memory or BLKmode arguments.
33701         (emit_library_call_value_1): Add stack arguments to
33702         CALL_INSN_FUNCTION_USAGE even for pure calls (when
33703         ACCUMULATE_OUTGOING_ARGS).
33704         * dce.c: Include tm_p.h.
33705         (find_call_stack_args): New function.
33706         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
33707         argument.
33708         (mark_insn): Call find_call_stack_args for CALL_Ps.
33709         (prescan_insns_for_dce): Walk insns backwards in bb rather than
33710         forwards.  Allocate and free arg_stores bitmap if needed, pass it
33711         down to deletable_insn_p, don't mark stores set in arg_stores
33712         bitmap, clear the bitmap at the beginning of each bb.
33713         * Makefile.in (dce.o): Depend on $(TM_P_H).
33714
33715 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
33716
33717         PR target/22599
33718         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
33719         to make sure the insn is a conditional test (bug 22599).  Reformat a
33720         few long lines.
33721
33722 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
33723
33724         PR middle-end/38431
33725         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
33726         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
33727         (gloog): Do not call cleanup_tree_cfg.
33728         (graphite_transform_loops): Call cleanup_tree_cfg after all
33729         scops have been code generated.
33730
33731 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
33732         * doc/gty.texi (Invoking the garbage collector): Added new node
33733         and section documenting ggc_collect.
33734
33735 2009-01-14  Richard Guenther  <rguenther@suse.de>
33736
33737         PR tree-optimization/38826
33738         PR middle-end/38477
33739         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
33740         initialization notes only if we actually emitted a warning.
33741         (intra_create_variable_infos): Add constraints for a result decl
33742         that is passed by hidden reference.
33743         (build_pred_graph): Mark all related variables non-direct on
33744         address-taking.
33745
33746 2009-01-14  Nick Clifton  <nickc@redhat.com>
33747
33748         * ira-conflicts.c: Include addresses.h for the definition of
33749         base_reg_class.
33750         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
33751         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
33752
33753 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
33754
33755         PR target/38811
33756         * Makefile.in (ira-lives.o): Add except.h.
33757
33758         * ira-lives.c: Include except.h.
33759         (process_bb_node_lives): Process can_throw_internal.
33760
33761 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
33762
33763         PR rtl-optimization/38774
33764         * combine.c (simplify_set): When undoing cc_use change, don't do
33765         PUT_CODE on the newly created comparison, but instead put back the
33766         old comparison.
33767
33768 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
33769
33770         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
33771         values.  Remove duplicate arm8 entry.
33772
33773 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
33774
33775         PR tree-optimization/38786
33776         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
33777         the SSA_NAME case of expand_scalar_variables_expr.
33778         Set the type of an expression to the type of its assign statement.
33779         (expand_scalar_variables_expr): Also gather the scalar computation
33780         used to index the memory access.  Do not pass loop_p.
33781         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
33782         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
33783         the gimple_stmt_iterator where it inserts new code.
33784         Do not pass loop_p.
33785         (copy_bb_and_scalar_dependences): Do not pass loop_p.
33786         (translate_clast): Update call to copy_bb_and_scalar_dependences.
33787
33788 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
33789
33790         * graphite.h (debug_value): Removed.
33791         * graphite.c (debug_value): Removed.
33792
33793 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
33794
33795         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
33796         ldrd/strd with two 32-bit instructions.
33797
33798 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
33799
33800         * config/arm/arm.c (struct processors): Pass for speed down into
33801         cost helper functions.
33802         (const_ok_for_op): Handle COMPARE and inequality nodes.
33803         (arm_rtx_costs_1): Rewrite.
33804         (arm_size_rtx_costs): Update prototype.
33805         (arm_rtx_costs): Pass speed down to helper functions.
33806         (arm_slowmul_rtx_costs): Rework cost calculations.
33807         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
33808         (arm_9e_rtx_costs): Likewise.
33809
33810 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
33811
33812         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
33813         relocations of local symbols wider than UNITS_PER_WORD are not valid.
33814         (alpha_legitimize_address): Do not split local symbols wider than
33815         UNITS_PER_WORD into HIGH/LO_SUM parts.
33816
33817 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
33818
33819         PR bootstrap/38580
33820         * gcc.c (process_command): Replace call to execvp with calls
33821         to pex_one and exit.
33822
33823 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
33824
33825         PR target/29141
33826         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
33827         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
33828         variant for devices with 3-byte PC.
33829         (__tablejump_elpm__): New.
33830
33831 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
33832
33833         PR c/32041
33834         * c-parser.c (c_parser_postfix_expression): Allow `->' in
33835         offsetof member-designator, handle it as `[0].'.
33836
33837 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
33838
33839         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
33840         function when not using named sections on targets with named sections
33841         if branch distance is less than 262132.
33842
33843 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
33844
33845         * combine.c (combine_instructions):  Recompute
33846         optimize_this_for_speed_p  for each BB in the main combine loop.
33847
33848 2009-01-12  Tomas Bily  <tbily@suse.cz>
33849
33850         PR middlend/38385
33851         * tree-loop-distribution.c (prop_phis): New function.
33852         (generate_builtin): Call prop_phis.
33853
33854 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
33855
33856         PR tree-optimization/38807
33857         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
33858         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
33859
33860 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
33861
33862         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
33863         subreg of op0 to the original op0.
33864
33865 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
33866
33867         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
33868
33869 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
33870
33871         PR debug/7055
33872         * mips-tfile.c (parse_def): Fix parsing of def strings
33873         starting with digits.
33874
33875 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
33876
33877         PR target/38695
33878         * config/arm/arm.c (arm_is_long_call_p): Don't call
33879         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
33880
33881 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
33882
33883         * regrename.c (regrename_optimize): Fix dumping.
33884         (find_oldest_value_reg): Preserve REG_POINTER.
33885         (copy_hardreg_forward_1): Likewise.
33886
33887 2009-01-09  Diego Novillo  <dnovillo@google.com>
33888
33889         * gimple.h (struct gimple_statement_base) <uid>: Document
33890         the restrictions on its use.
33891         (gimple_uid): Tidy.
33892         (gimple_set_uid): Tidy.
33893
33894 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
33895
33896         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
33897         zero guard even if align_bytes != 0 and count is smaller than
33898         size_needed.
33899
33900 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
33901
33902         PR rtl-optimization/38495
33903         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
33904         (add_range_and_copies_from_move_list): Print all added ranges.
33905         Add ranges to memory optimized destination.
33906
33907 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
33908
33909         PR target/38686
33910         PR target/38708
33911         * config/i386/i386.c (override_options): Reject
33912         -mstringop-strategy=rep_8byte with -m32.
33913         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
33914         to 1.  Do count comparison against epilogue_size_needed at compile
33915         time even when count_exp was constant forced into register.  For
33916         size_needed don't jump to epilogue, instead just avoid aligning
33917         and invoke the body algorithm.  If need_zero_guard, add zero guard
33918         even if count is non-zero, but smaller than size_needed + number of
33919         bytes that could be stored for alignment.
33920         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
33921         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
33922         but smaller than size_needed + number of bytes that could be stored
33923         for alignment.  Compare size_needed with epilogue_size_needed instead
33924         of desired_align - align, don't adjust size_needed, pass
33925         epilogue_size_needed to the epilogue expanders.
33926
33927         PR c/35742
33928         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
33929
33930 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
33931
33932         * pa.c (last_address): Change to unsigned.
33933         (update_total_code_bytes): Change argument to unsigned.  Don't
33934         check if insn addresses are set.
33935         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
33936         addresses are not set.
33937         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
33938
33939 2009-01-09  Nick Clifton  <nickc@redhat.com>
33940
33941         * config/sh/symbian.c: Replace uses of DECL_INLINE with
33942         DECL_DECLARED_INLINE_P.
33943
33944 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
33945
33946         PR middle-end/38347
33947         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
33948         GET_MODE (op0) in operand_subword_force calls.
33949
33950         PR middle-end/38771
33951         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
33952         fold_convert arg0 operands to TREE_TYPE (op0) first.
33953
33954 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
33955
33956         * params.def (ira-max-conflict-table-size): Decrease default value
33957         to 1000.
33958
33959 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
33960
33961         PR tree-optimization/37031
33962         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
33963         on parameter_set.
33964         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
33965         allocate it using gc instead of heap, use VEC_quick_push instead of
33966         VEC_safe_push.
33967         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
33968         instead of heap, use VEC_quick_push instead of VEC_safe_push.
33969         * tree-data-ref.h (struct access_matrix): Change matrix to gc
33970         allocated vector from heap allocated.
33971         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
33972         * tree-loop-linear.c (linear_transform_loops): Allocate nest
33973         vector only after perfect_loop_nest_depth call.
33974
33975 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
33976             Jan Sjodin  <jan.sjodin@amd.com>
33977
33978         PR tree-optimization/38559
33979         * graphite.c (debug_value, copy_constraint,
33980         swap_constraint_variables, scale_constraint_variable, ): New.
33981         (get_lower_bound, get_upper_bound): Removed.
33982         (graphite_trans_bb_strip_mine): Clean up this code that works
33983         only for constant number of iterations.  Fully copy upper and
33984         lower bound constraints, not only the constant part of them.
33985         * graphite.h (debug_value): Declared.
33986
33987 2009-01-08  Ira Rosen  <irar@il.ibm.com>
33988
33989         PR tree-optimization/37194
33990         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
33991         Don't add the cost of cost model guard in prologue to scalar
33992         outside cost in case of known number of iterations.
33993
33994 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
33995             Alan Modra  <amodra@bigpond.net.au>
33996
33997         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
33998         non-word-aligned REG+CONST addressing.
33999
34000 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
34001
34002         PR target/38706
34003         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
34004         free_after_compilation when outputting a thunk.
34005         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
34006         Do not call free_after_compilation here.
34007
34008 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
34009
34010         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
34011         (ix86_valid_target_attribute_inner_p): Ditto.
34012
34013 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
34014
34015         PR tree-optimization/38492
34016         PR tree-optimization/38498
34017         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
34018         * tree-chrec.h (scev_is_linear_expression): Declared.
34019         * graphite.c (graphite_cannot_represent_loop_niter): New.
34020         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
34021         (graphite_loop_normal_form): Use gcc_assert.
34022         (scan_tree_for_params): Use CASE_CONVERT.
34023         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
34024         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
34025         Use gcc_assert.  Discard scops that contain unhandled cases.
34026         (build_scop_conditions): Return a boolean status for unhandled cases.
34027         (strip_mine_profitable_p): Print the loop number, not its depth.
34028         (is_interchange_valid): Pass the depth of the loop nest, don't
34029         recompute it wrongly.
34030         (graphite_trans_bb_block): Same.
34031         (graphite_trans_bb_block): Print tentative of loop blocking.
34032         (graphite_trans_scop_block): Do not print that the loop has been
34033         blocked.
34034         (graphite_transform_loops): Do not handle scops that contain condition
34035         scalar phi nodes.
34036
34037 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
34038
34039         AVX Programming Reference (December, 2008)
34040         * config/i386/avxintrin.h (_mm256_stream_si256): New.
34041         (_mm256_stream_pd): Likewise.
34042         (_mm256_stream_ps): Likewise.
34043
34044         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
34045         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
34046         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
34047         (bdesc_special_args): Add __builtin_ia32_movntdq256,
34048         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
34049         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
34050         (ix86_expand_special_args_builtin): Likewise.
34051
34052         * config/i386/sse.md (AVXMODEDI): New.
34053         (avx_movnt<mode>): Likewise.
34054         (avx_movnt<mode>): Likewise.
34055         (<sse>_movnt<mode>): Remove AVX support.
34056         (sse2_movntv2di): Likewise.
34057
34058 2009-01-07  Richard Guenther  <rguenther@suse.de>
34059
34060         PR middle-end/38751
34061         * fold-const.c (extract_muldiv): Remove obsolete comment.
34062         (fold_plusminus_mult_expr): Undo MINUS_EXPR
34063         to PLUS_EXPR canonicalization for the canonicalization.
34064
34065 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
34066
34067         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
34068         hosted cross-compilers generating less efficient code.
34069
34070 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
34071
34072         * function.h (rtl_data): Add a dbr_scheduled_p field.
34073         * reorg.c (dbr_schedule): Set it.
34074         (gate_handle_delay_slots): Check it.
34075         * config/mips/mips.c (mips_base_delayed_branch): Delete.
34076         (mips_reorg): Check flag_delayed_branch instead of
34077         mips_base_delayed_branch.
34078         (mips_override_options): Don't set mips_base_delayed_branch
34079         or flag_delayed_branch.
34080
34081 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
34082
34083         PR rtl-optimization/38426.
34084         * ira.c (ira): Set current_function_is_leaf earlier.
34085
34086 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
34087
34088         PR rtl-optimization/38722
34089         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
34090         too early, only set a flag and modify after last possible
34091         undo_all point.
34092
34093 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
34094
34095         PR c/34252
34096         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
34097         * real.c (decimal_single_format): Correct values of emin and emax.
34098         (decimal_double_format): Ditto.
34099         (decimal_quad_format): Ditto.
34100         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
34101         computation of DECnn_MIN and DECnn_MAX for corrected values of
34102         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
34103         __DECnn_MIN__, and adjust its computation for the corrected value
34104         of emin.
34105
34106 2009-01-06  Jan Hubicka  <jh@suse.cz>
34107
34108         PR target/38744
34109         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
34110
34111 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
34112
34113         * doc/contrib.texi (Contributors): Slightly adjust the end note.
34114         Add Robert Clark to the list of testers.
34115
34116 2009-01-06  Jan Hubicka  <jh@suse.cz>
34117             Kai Tietz  <kai.tietz@onevision.com>
34118
34119         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
34120         * config/i386/i386.c (ix86_expand_call): Add clobbers.
34121
34122 2009-01-06  Jan Hubicka  <jh@suse.cz>
34123             Kai Tietz  <kai.tietz@onevision.com>
34124
34125         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
34126         for w64 ABI.
34127         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
34128         (ix86_nsaved_regs): Count only general purpose regs.
34129         (ix86_nsaved_sseregs): New.
34130         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
34131         to 16 for w64; compute padding and size of sse reg save area.
34132         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
34133         general purpose regs.
34134         (ix86_emit_save_sse_regs_using_mov): New.
34135         (ix86_expand_prologue): Save SSE regs if needed.
34136         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
34137         (ix86_emit_restore_sse_regs_using_mov): New.
34138         (ix86_expand_epilogue): Save SSE regs if needed.
34139
34140 2009-01-06  Jan Hubicka  <jh@suse.cz>
34141             Kai Tietz  <kai.tietz@onevision.com>
34142
34143         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
34144         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
34145         functions when accumulate outgoing args is off.
34146
34147 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
34148
34149         PR bootstrap/38742
34150         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
34151         before using pseudos_have_intersected_live_ranges_p.
34152
34153         * ira-int.h (ira_assert): Always define.
34154
34155 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
34156
34157         AVX Programming Reference (December, 2008)
34158         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
34159         (_mm256_permute2_pd): Likewise.
34160         (_mm_permute2_ps): Likewise.
34161         (_mm256_permute2_ps): Likewise.
34162         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
34163         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
34164
34165         * config/i386/i386.c (ix86_builtins): Remove
34166         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
34167         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
34168         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
34169         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
34170         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
34171         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
34172         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
34173         __builtin_ia32_vpermil2ps256.
34174         (ix86_init_mmx_sse_builtins): Updated.
34175         (ix86_expand_args_builtin): Likewise.
34176
34177 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
34178
34179         * pa.c (output_call): Relocate non-jump insns in the delay slot of
34180         long absolute calls when generating PA 2.0 code.
34181
34182 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
34183
34184         PR rtl-optimization/38583
34185         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
34186
34187         * params.def (ira-max-conflict-table-size): New.
34188
34189         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
34190
34191         * ira.h (ira_conflicts_p): New external definition.
34192
34193         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
34194         table.  Report this.  Return result of building.
34195         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
34196         building conflict table.
34197
34198         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
34199         (ira_color): Use ira_conflicts_p.
34200
34201         * global.c: Include ira.h.
34202         (pseudo_for_reload_consideration_p, build_insn_chain): Use
34203         ira_conflicts_p.
34204
34205         * Makefile.in (global.o): Add ira.h.
34206
34207         * ira-build.c (mark_all_loops_for_removal,
34208         propagate_some_info_from_allocno): New.
34209         (remove_unnecessary_allocnos): Call
34210         propagate_some_info_from_allocno.
34211         (remove_low_level_allocnos): New.
34212         (remove_unnecessary_regions): Add parameter.  Call
34213         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
34214         parameter to remove_unnecessary_regions.
34215         (ira_build): Remove all regions but root if the conflict table was
34216         not built.  Update conflict hard regs for allocnos crossing calls.
34217
34218         * ira.c (ira_conflicts_p): New global.
34219         (ira): Define and use ira_conflicts_p.
34220
34221         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
34222         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
34223         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
34224
34225 2009-01-06  Ben Elliston  <bje@au.ibm.com>
34226
34227         * gengtype-lex.l (YY_NO_INPUT): Define.
34228
34229 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
34230
34231         PR c/34911
34232         * c-common.c (handle_vector_size_attribute): Also reject
34233         BOOLEAN_TYPE types.
34234
34235 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
34236
34237         PR tree-optimization/38492
34238         * graphite.c (rename_map_elt, debug_rename_elt,
34239         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
34240         rename_map_elt_info, eq_rename_map_elts,
34241         get_new_name_from_old_name, bb_in_sese_p): Moved around.
34242         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
34243         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
34244         (sese_build_livein_liveouts): New.
34245         (new_sese, free_sese): New.
34246         (new_scop): Call new_sese.
34247         (free_scop): Call free_sese.
34248         (rename_variables_from_edge, rename_phis_end_scop): Removed.
34249         (register_old_new_names): Renamed register_old_and_new_names.
34250         (register_scop_liveout_renames, add_loop_exit_phis,
34251         insert_loop_close_phis, struct igp,
34252         default_liveout_before_guard, add_guard_exit_phis,
34253         insert_guard_phis, copy_renames): New.
34254         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
34255         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
34256         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
34257         (scop_adjust_phis_for_liveouts): New.
34258         (gloog): Call scop_adjust_phis_for_liveouts.
34259
34260         * graphite.h (struct sese): Documented.  Added fields liveout,
34261         num_ver and livein.
34262         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
34263         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
34264         (struct scop): Added field liveout_renames.
34265         (SCOP_LIVEOUT_RENAMES): New.
34266
34267 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
34268
34269         PR tree-optimization/38510
34270         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
34271         (translate_clast): Call recompute_all_dominators before
34272         graphite_verify.
34273         (gloog): Call recompute_all_dominators before graphite_verify.
34274
34275 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
34276             Jan Sjodin  <jan.sjodin@amd.com>
34277
34278         PR tree-optimization/38500
34279         * graphite.c (create_sese_edges): Call fix_loop_structure after
34280         splitting blocks.
34281
34282 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
34283
34284         * config.gcc: Add m32r*-*-rtems*.
34285         * config/m32r/rtems.h: New file.
34286
34287 2009-01-05  Ben Elliston  <bje@au.ibm.com>
34288
34289         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
34290         (.po.pox): Likewise.
34291         (po/gcc.pot): Likewise.
34292
34293 2009-01-04  David S. Miller  <davem@davemloft.net>
34294
34295         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
34296         (STARTING_FRAME_OFFSET): Always set to zero.
34297
34298 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
34299
34300         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
34301         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
34302         fixed-point types, and vectors of the same.
34303
34304 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
34305
34306         * config/mips/sync.md (*mb_barrier): Rename to...
34307         (*memory_barrier): ...this.
34308
34309 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
34310
34311         * doc/extend.texi (Function Attributes): Move @cindex after @item
34312         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
34313         and put in alphabetical order. Fix 'target' name and put in order.
34314         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
34315         typos.
34316
34317 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
34318
34319         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
34320         (memory_barrier): Expand as unspec instead of unspec_volatile.
34321         Remove mem:BLK from insn operands.  Use Pmode scratch register.
34322         (*memory_barrier): Define as unspec instead of unspec_volatile.
34323         Use (match_dup 0) as input operand.
34324
34325         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
34326         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
34327         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
34328         scratch register.  Remove operand 1.
34329         (*stbar): Define as unspec instead of unspec_volatile.
34330         Use (match_dup 0) as input operand, remove (const_int 8).
34331         (*membar): Define as unspec instead of unspec_volatile.
34332         Use (match_dup 0) as input operand, remove input operand 2.
34333
34334         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
34335         (memory_barrier): Expand as unspec instead of unspec_volatile.
34336         Remove mem:BLK from insn operands.  Use Pmode scratch register.
34337         (*memory_barrier): Define as unspec instead of unspec_volatile.
34338         Use (match_dup 0) as input operand.
34339
34340         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
34341         Remove mem:BLK from insn operands.  Use Pmode scratch register.
34342         Set volatile flag on operand 0.
34343         (*memory_barrier): New insn pattern.
34344
34345         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
34346         insn operands.
34347         (*memory_barrier): Use (match_dup 0) as input operand.
34348
34349         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
34350         Remove mem:BLK from insn operands.  Use Pmode scratch register.
34351         Set volatile flag on operand 0.
34352         (*mb_internal): New insn pattern.
34353
34354         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
34355
34356 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
34357
34358         PR middle-end/38586
34359         * function.c (struct temp_slot): Move to the section of the file
34360         that deals with temp slots.  Remove field 'address'.
34361         (temp_slot_address_table): New hash table of address -> temp slot.
34362         (struct temp_slot_address_entry): New struct, items for the table.
34363         (temp_slot_address_compute_hash, temp_slot_address_hash,
34364         temp_slot_address_eq, insert_temp_slot_address): Support functions
34365         for the new table.
34366         (find_temp_slot_from_address): Rewrite to use the new hash table.
34367         (remove_unused_temp_slot_addresses): Remove addresses of temp
34368         slots that have been made available.
34369         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
34370         worker function for remove_unused_temp_slot_addresses.
34371         (assign_stack_temp_for_type): Don't clear the temp slot address list.
34372         Add the temp slot address to the address -> temp slot map.
34373         (update_temp_slot_address): Update via insert_temp_slot_address.
34374         (free_temp_slots): Call remove_unused_temp_slot_addresses.
34375         (pop_temp_slots): Likewise.
34376         (init_temp_slots): Allocate the address -> temp slot map, or empty
34377         the map if it is already allocated.
34378         (prepare_function_start): Initialize temp slot processing.
34379
34380 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
34381
34382         PR middle-end/38584
34383         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
34384         Calculate the size of all stack vars assuming no packing of stack
34385         vars will happen, replacing a quadratic algorithm with a linear one.
34386
34387 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
34388
34389         PR target/38707
34390         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
34391         can't be used.
34392
34393 2009-01-03  Diego Novillo  <dnovillo@google.com>
34394
34395         * doc/contrib.texi: Update contributions.
34396
34397 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
34398
34399         PR c++/38705
34400         * builtins.c (fold_builtin_memory_op): Give up if either operand
34401         is volatile.  Set srctype or desttype to non-qualified version
34402         of the other type.
34403
34404         PR c/38700
34405         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
34406         and FUNCTION_DECLs.
34407
34408 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
34409
34410         PR rtl-optimization/35805
34411         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
34412         problem if fast dce is able to remove any instructions.
34413         * dce.c (dce_process_block): Fix dump message.
34414
34415 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
34416
34417         PR 33649
34418         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
34419
34420 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
34421
34422         PR middle-end/38690
34423         * tree-flow.h (op_code_prio, op_prio): New prototypes.
34424         * tree-pretty-print.c (op_code_prio): New function.
34425         (op_prio): No longer static.  Use op_code_prio.
34426         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
34427         Use op_prio and op_code_prio to determine if () should be
34428         printed around operand(s) or not.
34429
34430         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
34431         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
34432         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
34433         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
34434         pp_character instead of pp_string for single letter printing.
34435
34436 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
34437
34438         * doc/extend.texi: Fix '#pragma GCC option' typo.
34439
34440 2009-01-02  Richard Guenther  <rguenther@suse.de>
34441
34442         * doc/install.texi (--enable-checking): Mention different
34443         default for stage1.
34444         (--enable-stage1-checking): Document.
34445
34446 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
34447
34448         PR middle-end/30142
34449         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
34450         case to be an error.
34451
34452 2009-01-02  Ben Elliston  <bje@au.ibm.com>
34453
34454         * config/fp-bit.h (pack_d): Constify argument.
34455         * config/fp-bit.c (makenan): Constify return type. Remove casts.
34456         (isnan): Constify argument.
34457         (isinf): Likewise.
34458         (iszero): Likewise.
34459         (pack_d): Likewise.
34460         (_fpadd_parts): Constify return type.
34461         (_fpmul_parts): Likewise.
34462         (_fpdiv_parts): Likewise.
34463
34464 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
34465
34466         PR c/36489
34467         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
34468         warn about overwriting initializer with side-effects or
34469         -Woverride-init if !IMPLICIT.
34470         (output_init_element): Likewise.  Pass IMPLICIT down to
34471         add_pending_init.
34472         (process_init_element): Add IMPLICIT argument.  Pass it down
34473         to output_init_element.
34474         (push_init_element, pop_init_level, set_designator): Adjust
34475         process_init_element callers.
34476         (set_nonincremental_init, set_nonincremental_init_from_string):
34477         Adjust add_pending_init callers.
34478         (output_pending_init_elements): Adjust output_init_element callers.
34479         * c-tree.h (process_init_element): Adjust prototype.
34480         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
34481         process_init_element callers.
34482
34483 \f
34484 Copyright (C) 2009 Free Software Foundation, Inc.
34485
34486 Copying and distribution of this file, with or without modification,
34487 are permitted in any medium without royalty provided the copyright
34488 notice and this notice are preserved.