gcc/ChangeLog

   1 2009-03-28  Martin Jambor  <mjambor@suse.cz>
   2
   3         * fold-const.c (get_pointer_modulus_and_residue): New parameter
   4         allow_func_align.
   5         (fold_binary): Allow function decl aligment consideration is the
   6         second argument is integer constant one.
   7         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
   8         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
   9         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
  10
  11 2009-03-28  Jan Hubicka  <jh@suse.cz>
  12
  13         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
  14         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
  15         * function.h (rtl_data): Add nothrow flag.
  16         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
  17         set DECL_NOTHROW for AVAILABLE functions.
  18
  19 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
  20
  21         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
  22         following vector keyword has expansion starting with pixel or bool
  23         keyword, expand vector to __vector and pixel or bool to __pixel or
  24         __bool.
  25
  26         PR c++/39554
  27         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
  28         warn_if_disallowed_function_p): Removed.
  29         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
  30         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
  31         warning_if_disallowed_function_p.
  32         * flags.h (warn_if_disallowed_function_p,
  33         warn_disallowed_functions): Removed.
  34         * common.opt (Wdisallowed-function-list=): Removed.
  35         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
  36
  37 2009-03-28  Richard Guenther  <rguenther@suse.de>
  38
  39         PR tree-optimization/38723
  40         * tree-ssa-pre.c (compute_avail): Add all default definitions to
  41         the entry block.
  42
  43 2009-03-28  Jan Hubicka  <jh@suse.cz>
  44
  45         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
  46         test introduced by my previous patch.
  47
  48 2009-03-28  Richard Guenther  <rguenther@suse.de>
  49
  50         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
  51         the PHIs value undefined.
  52
  53 2009-03-28  Jan Hubicka  <jh@suse.cz>
  54
  55         * tree-pass.h (pass_fixup_cfg): New pass.
  56         * ipa-inline.c (inline_transform): Set
  57         always_inline_functions_inlined/after_inlining.
  58         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
  59         (pass_fixup_cfg): New pass.
  60         * passes.c (init_optimization_passes): Add fixup_cfg.
  61
  62 2009-03-28  Richard Guenther  <rguenther@suse.de>
  63
  64         PR tree-optimization/38458
  65         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
  66         argument use the arguments copy-of value.
  67
  68 2009-03-28  Richard Guenther  <rguenther@suse.de>
  69
  70         PR tree-optimization/38180
  71         * tree-ssa-ccp.c (get_default_value): Simplify.
  72         (likely_value): Likewise.
  73         (surely_varying_stmt_p): Properly handle VOP case.
  74         (ccp_initialize): Likewise.
  75         (ccp_fold): Handle propagating through *&.
  76         (fold_const_aggregate_ref): Also handle decls.
  77
  78 2009-03-28  Jan Hubicka  <jh@suse.cz>
  79
  80         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
  81         * cgraph.h (cgraph_node): Likewise.
  82         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
  83         (cgraph_reset_node): Use process flag.
  84         (cgraph_mark_functions_to_output): Likewise.
  85         (cgraph_expand_function): Likewise.
  86         (cgraph_expand_all_functions): Likewise.
  87         (cgraph_output_in_order): Likewise.
  88         * dwarf2out.c (reference_to_unused): Likewise.
  89         * passes.c do_per_function_toporder): Likewise.
  90
  91 2009-03-28  Jan Hubicka  <jh@suse.cz>
  92
  93         Bring from lto-branch:
  94         2008-09-03  Doug Kwan  <dougkwan@google.com>
  95
  96         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
  97         enums instead of reason strings.
  98         * cgraph.c (cgraph_create_edge): Same.
  99         (cgraph_inline_failed_string): New function.
 100         * cgraph.h (cgraph_inline_failed_t): New enum type.
 101         (cgraph_inline_failed_string): New prototype.
 102         (struct cgraph_edge): Change type of INLINED_FAILED from constant
 103         char pointer to cgraph_inline_failed_t.
 104         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
 105         (cgraph_default_inline_p): Ditto.
 106         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
 107         to cgraph_inline_failed_t pointer.
 108         * cif-code.def: New file.
 109         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
 110         reason string.
 111         (cgraph_check_inline_limits): Change type of REASON to pointer to
 112         cgraph_inline_failed_t.  Replace reason strings with enums.
 113         (cgraph_default_inline_p): Ditto.
 114         (cgraph_recursive_inlining_p): Ditto.
 115         (update_caller_keys): Change type of FAILED_REASON to
 116         cgraph_inline_failed_t.
 117         (cgraph_set_inline_failed): Change type of REASON to pointer to
 118         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
 119         convert enums to strings for text output.
 120         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
 121         to be of type cgraph_inline_failed_t.  Replace reason strings with
 122         enums.  Call cgraph_inline_failed_string to covert enums
 123         to strings for text output.
 124         (cgraph_decide_inlining): Replace reason strings with enums.
 125         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
 126         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
 127         for text output.
 128         * tree-inline.c (expand_call_inline): Change type of REASON
 129         to cgraph_inline_failed_t.  Replace reason strings with enums.
 130         Call cgraph_inline_failed_string for text output.
 131         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
 132         (cgraph.o): Ditto.
 133
 134 2009-03-28  Jan Hubicka  <jh@suse.cz>
 135
 136         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
 137         cgraph_clone_node): Remove master clone handling.
 138         (cgraph_is_master_clone, cgraph_master_clone): Remove.
 139         * cgraph.h (master_clone): Remove.
 140         (cgraph_is_master_clone, cgraph_master_clone): Remove.
 141         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
 142         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
 143
 144 2009-03-28  Jan Hubicka  <jh@suse.cz>
 145
 146         * cgraph.c (cgraph_function_body_availability): Functions declared
 147         inline are always safe to assume that it is not going to be replaced.
 148
 149 2009-03-28  Richard Guenther  <rguenther@suse.de>
 150
 151         PR tree-optimization/38513
 152         * tree-ssa-pre.c (eliminate): Remove redundant stores.
 153         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
 154         EXC_PTR_EXPR and FILTER_EXPR.
 155         (get_ref_from_reference_ops): Likewise.
 156
 157 2009-03-28  Richard Guenther  <rguenther@suse.de>
 158
 159         PR tree-optimization/38968
 160         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
 161         Use FLOOR_MOD_EXPR to compute misalignment.
 162
 163 2009-03-28  Richard Guenther  <rguenther@suse.de>
 164
 165         PR tree-optimization/37795
 166         * tree.h (combine_comparisons): Declare.
 167         * fold-const.c (combine_comparisons): Export.
 168         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
 169         comparisons.
 170         (ifcombine_iforif): Use combine_comparisons.
 171
 172 2009-03-28  Jan Hubicka  <jh@suse.cz>
 173
 174         * tree-eh.c (inlinable_call_p): New function.
 175         (make_eh_edges): Use it.
 176         (verify_eh_edges): Use it.
 177         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
 178         * except.c (reachable_next_level): Add inlinable_function argument
 179         (sjlj_find_directly_reachable_regions): Update.
 180         (add_reachable_handler): Do not set saw_any_handlers.
 181         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
 182         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
 183         Add new inlinable call parameter.
 184         (can_throw_internal, can_throw_external): Update.
 185         * except.h (can_throw_internal_1, can_throw_external_1,
 186         foreach_reachable_handler): Update declaration.
 187
 188 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
 189
 190         * config/arm/t-arm-coff, config/h8300/coff.h,
 191         config/i386/i386-aout.h, config/i386/i386-coff.h,
 192         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
 193         config/pdp11/2bsd.h, config/rs6000/aix41.h,
 194         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
 195         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
 196         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
 197         sys-types.h: Remove.
 198         * Makefile.in: Remove protoize and fixproto support and references
 199         in comments.
 200         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
 201         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
 202         Remove.
 203         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
 204         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
 205         unprotoize$(exeext).
 206         (rest.encap): Don't depend on $(STMP_FIXPROTO)
 207         (.PHONY): Don't depend on proto.
 208         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
 209         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
 210         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
 211         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
 212         build/gen-protos.o, build/scan.o, xsys-protos.h,
 213         build/fix-header$(build_exeext), build/fix-header.o,
 214         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
 215         stmp-install-fixproto): Remove.
 216         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
 217         SYSCALLS.c or fixproto files.
 218         (install-common): Don't install protoize.
 219         (install-headers-tar, install-headers-cpio, install-headers-cp):
 220         Don't depend on $(STMP_FIXPROTO).
 221         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
 222         install fixproto files or write out fixproto settings.
 223         (uninstall): Don't uninstall protoize.
 224         * config.gcc (use_fixproto): Remove.
 225         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
 226         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
 227         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
 228         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
 229         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
 230         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
 231         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
 232         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
 233         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
 234         * config/t-vxworks (STMP_FIXPROTO): Remove.
 235         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
 236         STMP_FIXPROTO): Remove.
 237         * config.in, configure: Regenerate.
 238         * crtstuff.c (gid_t, uid_t): Don't undefine.
 239         * doc/install.texi: Change m68k-coff to m68k-elf in example.
 240         (arm-*-coff, arm-*-aout: Remove target entries.
 241         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
 242         Remove mention of AIX 4.1.
 243         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
 244         * doc/invoke.texi (Running Protoize): Remove.
 245         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
 246         (Protoize Caveats): Remove.
 247         * tsystem.h: Update comments on headers assumed to exist.
 248
 249 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
 250
 251         * genautomata.c: Add a new year to the copyright.  Add a new
 252         reference.
 253         (struct insn_reserv_decl): Add comments for member bypass_list.
 254         (find_bypass): Remove.
 255         (insert_bypass): New.
 256         (process_decls): Use insert_bypass.
 257         (output_internal_insn_latency_func): Output all bypasses with the
 258         same input insn in one switch case.
 259
 260         * rtl.def (define_bypass): Describe bypass choice.
 261         * doc/md.texi (define_bypass): Ditto.
 262
 263 2009-03-27  Richard Guenther  <rguenther@suse.de>
 264
 265         * gimplify.c (mark_addressable): Export.
 266         * tree-flow.h (mark_addressable): Declare.
 267         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
 268         * tree-ssa.c (verify_phi_args): Verify that address taken
 269         variables have TREE_ADDRESSABLE set.
 270
 271 2009-03-27  Richard Guenther  <rguenther@suse.de>
 272
 273         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
 274         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
 275         Do not mark decls TREE_ADDRESSABLE.
 276         (build_fold_addr_expr): Adjust.
 277         (fold_addr_expr): Remove.
 278         (fold_unary): Use build_fold_addr_expr.
 279         (fold_comparison): Likewise.
 280         (split_address_to_core_and_offset): Likewise.
 281         * coverage.c (tree_coverage_counter_addr): Mark the array decl
 282         TREE_ADDRESSABLE.
 283         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
 284         (gimplify_modify_expr_to_memcpy): Mark source and destination
 285         addressable.
 286         * omp-low.c (create_omp_child_function): Mark the object decl
 287         TREE_ADDRESSABLE.
 288         (lower_rec_input_clauses): Mark the var we take the address of
 289         TREE_ADDRESSABLE.
 290         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
 291
 292 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
 293
 294         PR middle-end/39315
 295         * cfgexpand.c (expand_one_stack_var_at): Change alignment
 296         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
 297
 298 2009-03-27  Richard Guenther  <rguenther@suse.de>
 299
 300         PR tree-optimization/39120
 301         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
 302         constraints.
 303         (handle_lhs_call): Process return constraints.  Add escape
 304         constraints if necessary.
 305         (handle_const_call): Fill out return constraints.  Make nested
 306         case more precise.  Avoid consttmp if possible.
 307         (handle_pure_call): Fill out return constraints.  Avoid
 308         callused if possible.
 309         (find_func_aliases): Simplify call handling.
 310
 311 2009-03-27  Richard Guenther  <rguenther@suse.de>
 312
 313         PR tree-optimization/39120
 314         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
 315         as a representative.
 316         (solve_graph): Do propagate CALLUSED.
 317         (handle_pure_call): Use a scalar constraint from CALLUSED for
 318         the return value.
 319         (find_what_p_points_to): CALLUSED shall not appear in poins-to
 320         solutions.
 321
 322 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
 323
 324         PR c/39323
 325         * c-common.c (handle_aligned_attribute): Properly check alignment
 326         overflow.  Use (1U << i) instead of (1 << i).
 327
 328         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for
 329         align.
 330
 331         * expr.h (get_mem_align_offset): Updated.
 332
 333         * tree.h (tree_decl_common): Change align to "unsigned int" and
 334         move it before pointer_alias_set.
 335
 336 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
 337             Jakub Jelinek  <jakub@redhat.com>
 338
 339         PR target/38034
 340         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
 341         gr_register_operand with gr_reg_or_0_operand.
 342         (cmpxchg_rel_di): Likewise.
 343         (sync_lock_test_and_set<mode>): Likewise.
 344
 345 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
 346
 347         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
 348         (true_regnum): Likewise.
 349
 350         * rtlanal.c (subreg_info): Moved to ...
 351         * rtl.h (subreg_info): Here.  New.
 352         (subreg_get_info): New.
 353
 354         * rtlanal.c (subreg_get_info): Make it extern.
 355
 356 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
 357
 358         PR target/39472
 359         * config/i386/i386.c (ix86_abi): New.
 360         (override_options): Handle -mabi=.
 361         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with
 362         ix86_abi.
 363         (ix86_call_abi_override): Likewise.
 364         (init_cumulative_args): Likewise.
 365         (function_arg_advance): Likewise.
 366         (function_arg_64): Likewise.
 367         (function_arg): Likewise.
 368         (ix86_pass_by_reference): Likewise.
 369         (ix86_function_value_regno_p): Likewise.
 370         (ix86_build_builtin_va_list_abi): Likewise.
 371         (setup_incoming_varargs_64): Likewise.
 372         (is_va_list_char_pointer): Likewise.
 373         (ix86_init_machine_status): Likewise.
 374         (ix86_reg_parm_stack_space): Use enum calling_abi on
 375         call_abi.
 376         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
 377         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
 378         (ix86_function_abi): Make it static and return enum
 379         calling_abi.
 380         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
 381         with ix86_abi.
 382         (ix86_fn_abi_va_list): Updated.
 383
 384         * config/i386/i386.h (ix86_abi): New.
 385         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
 386         (CONDITIONAL_REGISTER_USAGE): Likewise.
 387         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
 388         (machine_function): Likewise.
 389
 390         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
 391         with ix86_abi.
 392         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
 393         (STACK_BOUNDARY): Likewise.
 394         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
 395
 396         * config/i386/i386.opt (mabi=): New.
 397
 398         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
 399         return enum calling_abi.
 400         (ix86_function_type_abi): Likewise.
 401         (ix86_function_abi): Removed.
 402
 403         * doc/invoke.texi: Document -mabi= option for x86.
 404
 405 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 406
 407         * builtins.c (real_dconstp): Delete.
 408         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
 409
 410 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
 411             Jakub Jelinek  <jakub@redhat.com>
 412
 413         PR debug/37959
 414         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
 415         (gen_subprogram_die): When a function is explicit, generate the
 416         DW_AT_explicit attribute.
 417         * langhooks.h (struct lang_hooks_for_decls): Add
 418         function_decl_explicit_p langhook.
 419         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
 420         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
 421
 422 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
 423
 424         * builtins.c (fold_builtin_memory_op): Optimize memmove
 425         into memcpy if we can prove source and destination don't overlap.
 426
 427         * tree-inline.c: Include gt-tree-inline.h.
 428         (clone_fn_id_num): New variable.
 429         (clone_function_name): New function.
 430         (tree_function_versioning): Use it.
 431         * Makefile.in (GTFILES): Add tree-inline.c.
 432
 433 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
 434
 435         * BASE-VER: Change to 4.5.0.
 436
 437 2009-03-27  Xinliang David Li  <davidxl@google.com>
 438
 439         PR tree-optimization/39557
 440         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
 441
 442 2009-03-27  Xinliang David Li  <davidxl@google.com>
 443
 444         PR tree-optimization/39548
 445         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
 446         candidate check.
 447
 448 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
 449
 450         * c-common.c (pointer_int_sum): Use %wd on return from
 451         tree_low_cst.
 452
 453 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
 454
 455         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
 456         on return from tree_low_cst.
 457
 458 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 459
 460         PR c++/36799
 461         * ginclude/stdarg.h (va_copy): Define also for __GXX_EXPERIMENTAL_CXX0X__.
 462
 463 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 464
 465         PR c++/35652
 466         * builtins.h (c_strlen): Do not warn here.
 467         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
 468         * c-common.c (pointer_int_sum): Take an explicit location.
 469         Warn about offsets out of bounds.
 470         * c-common.h (pointer_int_sum): Adjust declaration.
 471
 472 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 473
 474         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
 475         markup glitch.
 476
 477 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
 478
 479         PR c++/39554
 480         * opts.c (warn_if_disallowed_function_p): Don't assume
 481         get_callee_fndecl must return non-NULL.
 482
 483 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
 484
 485         PR rtl-optimization/39522
 486         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
 487         when reg_reloaded_valid is set.
 488
 489 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 490
 491         * config/spu/divv2df3.c: New file.
 492         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
 493         (DPBIT_FUNCS): Filter out _div_df.
 494
 495 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
 496
 497         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
 498         a jump insn, count that jump in the distance to the loop start.
 499
 500 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
 501
 502         PR target/39523
 503         * config/sh/sh.c (calc_live_regs): Fix condition for global
 504         registers except PIC_OFFSET_TABLE_REGNUM.
 505
 506 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
 507
 508         PR/39518
 509         * doc/invoke.texi (-mconsole): New.
 510         (-mcygwin): New.
 511         (-mno-cygwin): New.
 512         (-mdll): New.
 513         (-mnop-fun-dllimport): New.
 514         (-mthread): New.
 515         (-mwin32): New.
 516         (-mwindows): New.
 517         (sub section "i386 and x86-64 Windows Options"): New.
 518
 519 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
 520
 521         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
 522         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
 523
 524 2009-03-25  Richard Guenther  <rguenther@suse.de>
 525
 526         PR middle-end/39497
 527         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
 528         of -Wno-error.
 529
 530 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
 531
 532         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
 533         neither of haifa/selective schedulers are working.
 534
 535 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 536
 537         * doc/invoke.texi (Debugging Options): Fix description of
 538         -fno-merge-debug-strings.
 539
 540 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
 541
 542         * config/cris/libgcc.ver: New version-script.
 543         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
 544
 545         * configure.ac <GAS features, nop mnemonic>: Add pattern
 546         crisv32-*-* for "nop".
 547         <GAS features, Thread-local storage>: Add item for CRIS and
 548         CRIS v32.
 549         * configure: Regenerate.
 550
 551 2009-03-24  Ira Rosen  <irar@il.ibm.com>
 552
 553         PR tree-optimization/39529
 554         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
 555         mark_sym_for_renaming for the tag copied to the new vector
 556         pointer.
 557
 558 2009-03-24  Arthur Loiret  <aloiret@debian.org>
 559
 560         * config.host (alpha*-*-linux*): Use driver-alpha.o and
 561         alpha/x-alpha.
 562         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
 563         EXTRA_SPEC_FUNCTIONS.
 564         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
 565         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
 566         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
 567         -march and -mtune options.
 568
 569 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
 570
 571         * config/m68k/t-rtems: Add m5329 multilib.
 572
 573 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
 574             Jakub Jelinek  <jakub@redhat.com>
 575
 576         PR debug/39524
 577         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
 578         nodes.
 579
 580 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
 581
 582         PR c/39495
 583         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
 584         instead of c_parser_expression_conv, if original_code isn't one of the
 585         4 allowed comparison codes, fail.
 586
 587 2009-03-23  Richard Guenther  <rguenther@suse.de>
 588
 589         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
 590         * tree.h (struct tree_type): Likewise.
 591         * reload.h (struct insn_chain): Likewise.
 592         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
 593         * function.h (struct function): Likewise.
 594         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
 595
 596 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
 597
 598         PR tree-optimization/39516
 599         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
 600
 601 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
 602
 603         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
 604         should be set true if BITS_PER_WORD of target is bigger than 32
 605
 606 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
 607
 608         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
 609         Translate -B-options to -rpath-link.  Correct existing
 610         rpath-link and conditionalize on !nostdlib.
 611
 612 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 613
 614         * doc/extend.texi (Function Attributes, Variable Attributes):
 615         Fix typos.
 616         * doc/invoke.texi (Debugging Options, Optimize Options)
 617         (i386 and x86-64 Options, MCore Options): Likewise.
 618
 619 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
 620
 621         PR debug/37890
 622         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
 623         it for block local namespace aliases.
 624         (gen_decl_die): Pass context_die to gen_namespace_die.
 625
 626 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
 627
 628         PR c/39495
 629         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
 630         minimum or maximum value.
 631
 632 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
 633
 634         * reginfo.c (globalize_reg): Recompute derived reg sets.
 635
 636 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
 637
 638         PR target/39063
 639         * libgcc2.c (mprotect): Do not use signed arguments for
 640         VirtualProtect, use DWORD arguments.  Also fix the 'may
 641         be used uninitialized' warning for the np variable.
 642
 643 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
 644
 645         PR target/39496
 646         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
 647         functions using regparm calling conventions when not optimizing.
 648         (ix86_function_sseregparm): Similarly for sseregparm calling
 649         conventions.
 650
 651 2009-03-19  Li Feng  <nemokingdom@gmail.com>
 652
 653         PR middle-end/39500
 654         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
 655         dependence if the first conflict is after niter iterations.
 656
 657 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
 658
 659         PR middle-end/38609
 660         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
 661         functions with dynamic stack-pointer adjustments.
 662
 663 2009-03-19  Ben Elliston  <bje@au.ibm.com>
 664
 665         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
 666         option; change to -msdata=data.
 667
 668 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 669
 670         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
 671         and -fopenmp.
 672
 673 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
 674
 675         PR target/35180
 676         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
 677
 678 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
 679
 680         * doc/invoke.texi (Code Gen Options): Expand discussion of
 681         -fno-common.
 682
 683 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
 684
 685         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
 686         * matrix-reorg.c (struct matrix_info): Likewise.
 687         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
 688         * rtl.h (struct mem_attrs): Likewise.
 689         * df.h (struct df): Likewise.
 690         * tree-data-ref.h (struct data_dependence_relation): Likewise.
 691         * ira-int.h (struct ira_allocno): Likewise.
 692         * df-scan.c (struct df_collection_rec): Likewise.
 693         * ira.c (struct equivalence): Likewise.
 694         * function.c (struct temp_slot): Likewise.
 695         * cfgloop.h (struct loop): Likewise.
 696
 697         PR debug/39485
 698         * function.c (use_register_for_decl): When not optimizing, disregard
 699         register keyword for variables with types containing methods.
 700
 701 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
 702
 703         PR middle-end/39447
 704         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
 705         (is_simple_operand): Call contains_component_ref_p before calling data
 706         reference analysis that would fail on COMPONENT_REFs.
 707
 708         * tree-vrp.c (search_for_addr_array): Fix formatting.
 709
 710 2009-03-18  Richard Guenther  <rguenther@suse.de>
 711
 712         * tree-vect-transform.c (vect_loop_versioning): Fold the
 713         generated comparisons.
 714         * tree-vectorizer.c (set_prologue_iterations): Likewise.
 715         (slpeel_tree_peel_loop_to_edge): Likewise.
 716
 717 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 718
 719         PR middle-end/37805
 720         * opts.c (print_specific_help): In addition to `undocumented',
 721         accept `separate' and `joined' flags if passed alone.  Describe
 722         output by the first matched one of those.
 723         (common_handle_option): Skip over empty strings.
 724         * gcc.c (display_help): Fix help string for `--help='.
 725         * doc/invoke.texi (Option Summary, Overall Options): With
 726         `--help=', classes and qualifiers can both be repeated, but
 727         only the latter can be negated.  One should not pass only
 728         negated qualifiers.  Fix markup and examples.
 729
 730         Revert
 731         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
 732         PR middle-end/37805
 733         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
 734         and -fhelp=separate.
 735
 736 2009-03-17  Jing Yu  <jingyu@google.com>
 737
 738         PR middle-end/39378
 739         * function.h (struct rtl_data): Move is_thunk from here...
 740         (struct function): ...to here.
 741         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
 742         * varasm.c (assemble_start_function): Change is_thunk from crtl to
 743         cfun.
 744         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
 745         cfun.
 746         (alpha_does_function_need_gp, alpha_start_function): Likewise.
 747         (alpha_output_function_end_prologue): Likewise.
 748         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
 749         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
 750         (rs6000_output_function_epilogue): Likewise.
 751         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
 752
 753 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
 754
 755         PR target/39482
 756         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
 757         from different units in a single alternative.
 758         (*truncdfsf_i387): Ditto.
 759         (*truncxfsf2_mixed): Ditto.
 760         (*truncxfdf2_mixed): Ditto.
 761
 762 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
 763
 764         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
 765         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
 766
 767         PR debug/39474
 768         * tree-ssa-live.c (remove_unused_locals): Don't remove local
 769         unused non-artificial variables when not optimizing.
 770
 771         PR debug/39471
 772         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
 773         DW_TAG_imported_module even if decl is IMPORTED_DECL with
 774         NAMESPACE_DECL in its DECL_INITIAL.
 775
 776         PR middle-end/39443
 777         * optabs.c (set_user_assembler_libfunc): New function.
 778         * expr.h (set_user_assembler_libfunc): New prototype.
 779         * c-common.c: Include libfuncs.h.
 780         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
 781         for memcmp, memset, memcpy, memmove and abort.
 782         * Makefile.in (c-common.o): Depend on libfuncs.h.
 783
 784         PR debug/39412
 785         * dwarf2out.c (gen_inlined_enumeration_type_die,
 786         gen_inlined_structure_type_die, gen_inlined_union_type_die,
 787         gen_tagged_type_instantiation_die): Removed.
 788         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
 789         do nothing.
 790
 791 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
 792
 793         PR testsuite/38526
 794         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
 795         its use.
 796         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
 797         (check-parallel-%): Ditto.
 798         (check-consistency): Ditto.
 799
 800 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
 801
 802         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
 803         local variable rhs by NULL_TREE.
 804
 805 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
 806
 807         PR target/39477
 808         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
 809
 810 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
 811
 812         PR target/39476
 813         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
 814
 815 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
 816
 817         PR target/39473
 818         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
 819         for ms->sysv ABI calls only in 64bit mode.
 820
 821         * config/i386/i386.md (untyped_call): Support 32bit.
 822
 823 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
 824
 825         * doc/extend.texi: Replace x86_65 with x86_64.
 826
 827 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
 828
 829         PR tree-optimization/39455
 830         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
 831         mismatches for POINTER_TYPE_P (type).
 832         (number_of_iterations_le): Likewise.
 833
 834 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
 835
 836         * config/picochip/picochip.c: Removed profiling support.
 837         * config/picochip/picochip.md: Removed profiling instruction.
 838         * config/picochip/picochip.h: Removed profiling builtin.
 839
 840 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
 841
 842         * doc/install.texi (--with-host-libstdcxx): Document.
 843
 844 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
 845
 846         PR target/34299
 847         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
 848         generate a warning if the function name does not begin with
 849         "__vector" and the function has either the 'signal' or 'interrupt'
 850         attribute, from here to ...
 851         (avr_declare_function_name): ...here. New function.
 852         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
 853         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
 854
 855 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
 856
 857         PR bootstrap/39454
 858         * cse.c (fold_rtx): Don't modify original const_arg1 when
 859         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
 860         separate variable instead.
 861         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
 862         from out of range shift counts.
 863         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
 864
 865 2008-03-13  Catherine Moore  <clm@codesourcery.com>
 866
 867         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
 868         diagnostic.h with $(DIAGNOSTIC_H).
 869
 870 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
 871
 872         PR target/39431
 873         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
 874         predicate.
 875         * config/i386/sync.md (sync_compare_and_swap<mode>,
 876         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
 877         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
 878         into a register.
 879         (sync_double_compare_and_swapdi_pic,
 880         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
 881         cmpxchg8b_pic_memory_operand instead of just memory_operand.
 882
 883 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
 884
 885         PR target/39445
 886         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
 887
 888 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
 889
 890         PR target/39327
 891         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
 892         (avx_addsubv4df3): Likewise.
 893         (*avx_addsubv4sf3): Likewise.
 894         (sse3_addsubv4sf3): Likewise.
 895
 896 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
 897
 898         PR target/38824
 899         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
 900
 901 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
 902
 903         PR debug/39432
 904         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
 905         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
 906         registers for allocnos created from user-defined variables.
 907
 908 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 909
 910         PR target/39181
 911         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
 912         of non-integer mode as well.
 913
 914 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
 915
 916         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
 917         for functions for which the parameter types are unknown.
 918
 919 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
 920
 921         PR target/39137
 922         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
 923         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
 924         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
 925         * config/i386/i386.c (ix86_local_alignment): For
 926         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
 927         long long variables on the stack to avoid dynamic realignment.
 928         Allow the first argument to be a decl rather than type.
 929         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
 930
 931 2009-03-11  Nick Clifton  <nickc@redhat.com>
 932
 933         PR target/5362
 934         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
 935         options.
 936         Add description to mno-lsim option.
 937         * config/mcore/mcore.h: Remove comment about deprecated m4align
 938         option.
 939         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
 940         * doc/invoke.texi: Add description of mno-lsim and
 941         mstack-increment options.
 942
 943         * config/fr30/fr30.opt: Document the -mno-lsim option.
 944         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
 945         and -mno-lsim options.
 946
 947 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 948
 949         * fold-const.c (fold_comparison): Only call fold_inf_compare
 950         if the mode supports infinities.
 951
 952 2009-03-11  Jason Merrill  <jason@redhat.com>
 953
 954         PR debug/39086
 955         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
 956         end already did.  Notice GIMPLE_CALL modifications of the result.
 957         Don't copy debug information from an ignored decl or a decl from
 958         another function.
 959
 960 2009-03-10  Richard Guenther  <rguenther@suse.de>
 961             Nathan Froyd  <froydnj@codesourcery.com>
 962
 963         PR middle-end/37850
 964         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
 965         (__divMODE3): Likewise.
 966
 967 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
 968
 969         PR tree-optimization/39394
 970         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
 971         DECL_SIZE_UNIT of variable length FIELD_DECLs.
 972
 973 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 974
 975         * recog.c (verfiy_changes): Disallow renaming of hard regs in
 976         inline asms for register asm ("") declarations.
 977
 978 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
 979
 980         * fold-const.c (fold_unary): Fix comment.
 981
 982 2009-03-07  Jan Hubicka  <jh@suse.cz>
 983
 984         PR target/39361
 985         * tree-inline.c (setup_one_parameter): Do replacement of const
 986         argument by constant in SSA form.
 987
 988 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 989
 990         PR middle-end/38028
 991         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
 992         determine alignment passed to assign_stack_local.
 993         (assign_parms_unsplit_complex): Likewise.
 994         * except.c (sjlj_build_landing_pads): Likewise.
 995
 996 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
 997
 998         PR middle-end/39360
 999         * tree-flow.h (add_referenced_var): Return bool instead of void.
1000         * tree-dfa.c (add_referenced_var): Return result of
1001         referenced_var_check_and_insert call.
1002         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1003         of referenced_var_check_and_insert.
1004
1005         PR debug/39372
1006         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1007         (gen_variable_die): Emit DW_AT_location on abstract static variable's
1008         DIE, don't emit it if abstract origin already has it.
1009         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1010         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1011
1012 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1013
1014         * genpreds.c: (needs_variable): Fix parentheses at variable name
1015         detection.
1016         (write_tm_constrs_h): Indent generated code.
1017
1018 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1019
1020         * doc/extend.texi (Function Attributes): Add documentation
1021         for isr attributes.
1022
1023 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
1024
1025         PR debug/39387
1026         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1027         take locus from its DECL_SOURCE_LOCATION instead of input_location.
1028
1029 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1030
1031         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1032         the loop as bad.
1033
1034 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
1035
1036         PR debug/39379
1037         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1038         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1039
1040 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
1041
1042         * config/i386/i386.md (R8_REG, R9_REG): New constants.
1043         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1044         constants instead of magic numbers.
1045         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1046         (QI_REG_P): Ditto.
1047         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1048         (x86_64_ms_abi_int_parameter_registers): Ditto.
1049         (x86_64_int_return_registers): Ditto.
1050         (ix86_maybe_switch_abi): Ditto.
1051         (ix86_expand_call): Ditto for clobbered_registers array.
1052         (ix86_hard_regno_mode_ok): Ditto.
1053         (x86_extended_QIreg_mentioned_p): Ditto.
1054
1055 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
1056
1057         PR tree-optimization/39349
1058         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
1059
1060         * combine.c (gen_lowpart_for_combine): Use omode when generating
1061         clobber.
1062
1063 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
1064
1065         PR rtl-optimization/39235
1066         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
1067
1068 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
1069
1070         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
1071
1072 2009-03-04  Richard Guenther  <rguenther@suse.de>
1073
1074         PR tree-optimization/39362
1075         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
1076         that occur in abnormal PHIs should be varying.
1077
1078 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
1079
1080         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
1081         Extend comments.
1082         (simple_iv):  Take loop as an argument instead of statement.
1083         * tree-scalar-evolution.h (simple_iv): Declaration changed.
1084         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
1085         to simple_iv.
1086         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
1087         Ditto.
1088         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
1089         * matrix-reorg.c (analyze_transpose): Ditto.
1090         * tree-data-ref.c (dr_analyze_innermost): Ditto.
1091         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1092         * tree-predcom.c (ref_at_iteration): Ditto.
1093         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
1094
1095 2009-03-04  Richard Guenther  <rguenther@suse.de>
1096
1097         PR tree-optimization/39358
1098         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
1099         escaped_id and callused_id.
1100         (solve_graph): Likewise.
1101
1102 2009-03-04  Richard Guenther  <rguenther@suse.de>
1103
1104         PR tree-optimization/39339
1105         * tree-sra.c (try_instantiate_multiple_fields): Make it
1106         no longer ICE on the above.
1107
1108 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
1109
1110         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
1111         that fits within Pmode.
1112
1113 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
1114
1115         PR middle-end/10109
1116         * tm.texi (LIBCALL_VALUE): Update description.
1117
1118 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
1119
1120         PR middle-end/34443
1121         * doc/extend.texi (section): Update description.
1122
1123 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
1124
1125         PR middle-end/39345
1126         * tree-inline.c (remapped_type): New.
1127         (can_be_nonlocal): Call remapped_type instead of remap_type.
1128
1129 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
1130
1131         PR fortran/39354
1132         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
1133         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
1134
1135 2009-03-03  Richard Guenther  <rguenther@suse.de>
1136
1137         PR middle-end/39272
1138         * tree.c (tree_nonartificial_location): New function.
1139         * tree.h (tree_nonartificial_location): Declare.
1140         * builtins.c (expand_builtin_memory_chk): Provide location
1141         of the call location for artificial function pieces.
1142         (maybe_emit_chk_warning): Likewise.
1143         (maybe_emit_sprintf_chk_warning): Likewise.
1144         (maybe_emit_free_warning): Likewise.
1145         * expr.c (expand_expr_real_1): Likewise.
1146
1147 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
1148
1149         PR tree-optimization/39343
1150         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
1151         COMPONENT_REF t has ARRAY_TYPE.
1152
1153 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1154
1155         PR middle-end/39335
1156         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1157         when the type precision of the induction variable should be
1158         larger than the type precision of nit.
1159         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1160         * graphite.c (graphite_loop_normal_form): Same.
1161         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1162
1163 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
1164
1165         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
1166         (*call_1_rex64_ms_sysv): Use named constants instead of magic
1167         numbers to describe clobbered registers.
1168         (*call_value_0_rex64_ms_sysv): Ditto.
1169         * config/i386/mmx.md (mmx_emms): Ditto.
1170         (mmx_femms): Ditto.
1171
1172 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
1173
1174         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
1175         of ABI_64.
1176
1177 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1178
1179         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
1180         (spu_section_type_flags): New function.
1181
1182 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
1183
1184         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
1185         reg_class_contents of FLOAT_REGS into a temporary.
1186
1187 2009-03-02  Richard Guenther  <rguenther@suse.de>
1188             Ira Rosen  <irar@il.ibm.com>
1189
1190         PR tree-optimization/39318
1191         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
1192         information to the vectorized statement.
1193
1194 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
1195
1196         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
1197         variable.  Use defined names instead of magic constants for REX SSE
1198         registers.
1199
1200 2009-03-01  Richard Guenther  <rguenther@suse.de>
1201
1202         PR tree-optimization/39331
1203         * omp-low.c (lower_send_shared_vars): Do not receive new
1204         values for the reference of DECL_BY_REFERENCE parms or results.
1205
1206 2009-03-01  Jan Hubicka  <jh@suse.cz>
1207
1208         PR debug/39267
1209         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
1210         BLOCK_NONLOCALIZED_VAR): New macros.
1211         (tree_block): Add nonlocalized_vars.
1212         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
1213         gen_decl_die): Add origin argument.  Allow generation of die with
1214         origin at hand only.
1215         (gen_member_die, gen_type_die_with_usage, force_decl_die,
1216         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
1217         of gen_*.
1218         (gen_block_die): Fix checking for unused blocks.
1219         (process_scope_var): Break out from .... ; work with origins only.
1220         (decls_for_scope) ... here; process nonlocalized list.
1221         (dwarf2out_ignore_block): Look for nonlocalized vars.
1222         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
1223         vars.
1224         (dump_scope_block): Dump them.
1225         * tree-inline.c (remap_decls): Handle nonlocalized vars.
1226         (remap_block): Likewise.
1227         (can_be_nonlocal): New predicate.
1228         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
1229
1230 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1231
1232         * configure: Regenerate.
1233
1234 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1235
1236         * optc-gen.awk: No need to duplicate option flags twice.
1237         Reuse help texts for duplicate options which do not have any.
1238
1239         * gcc.c (display_help): Document --version.
1240
1241         * gcc.c (main): If print_help_list and verbose_flag, ensure
1242         driver output comes before subprocess output.
1243
1244         * optc-gen.awk: Assign all remaining fields to help string,
1245         space-separated, for multi-line help in *.opt.
1246
1247         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
1248         -Wno-pedantic-ms-format is for MinGW targets only.
1249
1250         * doc/options.texi (Option file format): Fix bad indentation,
1251         restoring dropped sentence.
1252
1253 2009-02-28  Jan Hubicka  <jh@suse.cz>
1254
1255         * tree-inline.c (tree_function_versioning): Output debug info.
1256
1257 2009-02-28  Jan Hubicka  <jh@suse.cz>
1258
1259         PR debug/39267
1260         * tree-inline.c (setup_one_parameter): Do not copy propagate
1261         arguments when not optimizing.
1262
1263 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
1264
1265         PR target/39327
1266         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1267         (avx_addsubv4df3): Likewise.
1268         (*avx_addsubv4sf3): Likewise.
1269         (sse3_addsubv4sf3): Likewise.
1270         (*avx_addsubv2df3): Likewise.
1271         (sse3_addsubv2df3): Likewise.
1272         (avx_unpckhps256): Correct item selectors.
1273         (avx_unpcklps256): Likewise.
1274         (avx_unpckhpd256): Likewise.
1275         (avx_unpcklpd256): Likewise.
1276
1277 2009-02-28  Jan Hubicka  <jh@suse.cz>
1278
1279         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
1280         static vars.
1281         (copy_arguments_for_versioning): If var is declared don't declare it.
1282         (tree_function_versioning): First setup substitutions and then copy
1283         args.
1284
1285 2009-02-27  Jan Hubicka  <jh@suse.cz>
1286
1287         PR debug/39267
1288         * cgraph.h (varpool_output_debug_info): Remove.
1289         * cgraphunit.c (varpool_output_debug_info): Remove.
1290         * dwarf2out.c (deferred_locations_struct): New struct
1291         (deferred_locations): New type.
1292         (deferred_locations_list): New static var.
1293         (deffer_location): New function.
1294         (gen_variable_die): Use it.
1295         (decls_for_scope): Output info on local static vars.
1296         (dwarf2out_finish): Process deferred locations.
1297         * varpool.c (varpool_output_debug_info): Remove.
1298
1299 2009-02-27  Jan Hubicka  <jh@suse.cz>
1300
1301         PR debug/39267
1302         * tree.h (TREE_PROTECTED): Fix comment.
1303         (BLOCK_HANDLER_BLOCK): Remove.
1304         (struct tree_block): Remove handler_block add body_block.
1305         (inlined_function_outer_scope_p): New.
1306         (is_body_block): Remove.
1307         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
1308         * dwarf2out.c (is_inlined_entry_point): Remove.
1309         (add_high_low_attributes): Use inlined_function_outer_scope_p.
1310         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
1311         code.
1312         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
1313         * gimplify.c (gimplify_expr): Gimplify body blocks.
1314         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
1315         block with multiple subblocks.
1316         (dump_scope_block): Prettier output; dump more flags and info.
1317         (dump_scope_blocks): New.
1318         (remove_unused_locals): Use dump_scope_blocks.
1319         * tree-flow.h (dump_scope_blocks): Declare.
1320         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
1321         * stmt.c (is_body_block): Remove.
1322         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
1323         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
1324
1325 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
1326
1327         PR middle-end/39308
1328         * graphite.c (graphite_loop_normal_form): Do not call
1329         number_of_iterations_exit from a gcc_assert.
1330
1331 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1332
1333         * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
1334         jumps if COND is NULL.
1335         (find_cond_jump): New function.
1336         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
1337         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
1338
1339 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
1340
1341         * config/alpha/alpha.h (alpha_expand_mov): Return false if
1342         force_const_mem returns NULL_RTX.
1343
1344 2009-02-26  Jan Hubicka  <jh@suse.cz>
1345
1346         PR debug/39267
1347         * cgraph.h (varpool_output_debug_info): Remove.
1348         * cgraphunit.c (varpool_output_debug_info): Remove.
1349         * dwarf2out.c (deferred_locations_struct): New struct
1350         (deferred_locations): New type.
1351         (deferred_locations_list): New static var.
1352         (deffer_location): New function.
1353         (gen_variable_die): Use it.
1354         (decls_for_scope): Output info on local static vars.
1355         (dwarf2out_finish): Process deferred locations.
1356         * varpool.c (varpool_output_debug_info): Remove.
1357
1358 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
1359
1360         PR rtl-optimization/39241
1361         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
1362         to subreg_offset_representable_p.
1363
1364 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
1365
1366         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
1367         execute function prototype.  Get f and nregs from max_reg_num
1368         and get_insns.  Remove the first backward pass as it's dead,
1369         guard the forward pass by flag_expensive_optimizations.
1370         (rest_of_handle_regmove): Delete.
1371         (pass_regmove): Replace it with regmove_optimize.
1372
1373 2009-02-25  Martin Jambor  <mjambor@suse.cz>
1374
1375         PR tree-optimization/39259
1376         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
1377         calls_alloca function flags.
1378         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
1379         calls are detected.
1380
1381 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
1382
1383         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
1384         flags_set_1_rtx, flags_set_1_set): Delete.
1385         (regmove_optimize): Do not call mark_flags_life_zones.
1386
1387 2009-02-24  Julian Brown  <julian@codesourcery.com>
1388
1389         PR target/35965
1390         * config/arm/arm.c (require_pic_register): Only set
1391         cfun->machine->pic_reg once per function.
1392
1393 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
1394
1395         * doc/invoke.texi (Link Options): Document an easier way to pass
1396         options that take arguments to the GNU linker using -Xlinker and -Wl.
1397
1398 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
1399
1400         PR target/33785
1401         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
1402
1403 2009-02-24  Richard Guenther  <rguenther@suse.de>
1404
1405         PR debug/39285
1406         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
1407
1408 2009-02-24  Richard Guenther  <rguenther@suse.de>
1409             Zdenek Dvorak  <ook@ucw.cz>
1410
1411         PR tree-optimization/39233
1412         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
1413         from converting them to a generic type.
1414
1415 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1416
1417         PR tree-optimization/39260
1418         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
1419         contains a condition with a real type.
1420         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
1421
1422 2009-02-23  Jason Merrill  <jason@redhat.com>
1423
1424         PR c++/38880
1425         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
1426         narrowing_initializer_constant_valid_p.
1427         (narrowing_initializer_constant_valid_p): Don't return
1428         null_pointer_node for adding a pointer to itself.
1429
1430 2009-02-23  Jan Hubicka  <jh@suse.cz>
1431
1432         PR c/12245
1433         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
1434         resizing.
1435
1436 2009-02-23  Jan Hubicka  <jh@suse.cz>
1437
1438         PR tree-optimization/37709
1439         * tree.c (block_ultimate_origin): Move here from dwarf2out.
1440         * tree.h (block_ultimate_origin): Declare.
1441         * dwarf2out.c (block_ultimate_origin): Move to tree.c
1442         * tree-ssa-live.c (remove_unused_scope_block_p):
1443         Eliminate blocks containig no instructions nor live variables nor
1444         nested blocks.
1445         (dump_scope_block): New function.
1446         (remove_unused_locals): Enable removal of dead blocks by default;
1447         enable dumping at TDF_DETAILS.
1448
1449 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1450
1451         * config/i386/i386.c (classify_argument): Don't allow COImode
1452         and OImode.
1453         (function_arg_advance_32): Don't allow OImode.
1454         (function_arg_32): Likewise.
1455         (function_value_32): Likewise.
1456         (return_in_memory_32): Likewise.
1457         (function_arg_64): Remove OImode comment.
1458
1459 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1460
1461         PR target/39261
1462         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1463         ix86_expand_vector_set for V4DImode in 64bit mode only.
1464         (ix86_expand_vector_init_one_var): Likewise.
1465
1466 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
1467
1468         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
1469
1470 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
1471
1472         PR bootstrap/39257
1473         * loop-iv.c: Revert last change.
1474         * emit-rtl.c: Likewise.
1475
1476 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1477
1478         PR target/39256
1479         * config/i386/i386.c (type_natural_mode): Remove an extra
1480         space in the warning message.
1481         (function_value_32): Handle 32-byte vector modes.
1482         (return_in_memory_32): Likewise.
1483
1484 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
1485
1486         * loop-iv.c (truncate_value): New function.
1487         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
1488         of lowpart_subreg.
1489         (lowpart_subreg): Move to...
1490         * emit-rtl.c: ...here.
1491
1492 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
1493
1494         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
1495         accidental and undocumented change at revision 140860.
1496
1497 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
1498
1499         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
1500         take gimple_seq * arguments.
1501         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
1502         types_compatible_p langhook.
1503
1504 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
1505             Joseph Myers  <joseph@codesourcery.com>
1506
1507         * config/arm/arm.c (arm_builtin_va_list): New function.
1508         (arm_expand_builtin_va_start): Likewise.
1509         (arm_gimplify_va_arg_expr): Likewise.
1510         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
1511         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
1512         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
1513         (va_list_type): New variable.
1514         (arm_mangle_type): Mangle va_list_type appropriately.
1515
1516 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
1517
1518         PR middle-end/39157
1519         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
1520         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
1521         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
1522         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
1523         parameter to 1000 for -O1 by default.
1524         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
1525         parameter.
1526         * loop-invariant.c: Include params.h.
1527         (move_loop_invariants): Don't call move_single_loop_invariants on
1528         very large loops.
1529
1530 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
1531
1532         * calls.c (emit_library_call_value_1): Use slot_offset instead of
1533         offset when calculating bounds for indexing stack_usage_map.  Fixes
1534         a buffer overflow with certain target setups.
1535
1536 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
1537
1538         PR target/39240
1539         * calls.c (expand_call): Clear try_tail_call if caller and callee
1540         disagree in promotion of function return value.
1541
1542 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
1543
1544         PR target/39175
1545         * c-common.c (c_determine_visibility): If visibility changed and
1546         DECL_RTL has been already set, call make_decl_rtl to update symbol
1547         flags.
1548
1549 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1550
1551         PR c++/39188
1552         * varasm.c (assemble_variable): Don't check DECL_NAME when
1553         globalizing a variable.
1554
1555 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
1556
1557         PR c/38483
1558         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1559         expression before any __builtin_trap call.
1560         * c-typeck.c (build_function_call): Convert and check function
1561         arguments before generating a call to a trap.  Evaluate the
1562         function arguments before the trap.
1563
1564 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
1565
1566         PR target/39228
1567         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1568         (UNSPEC_FXAM_MEM): New unspec.
1569         (fxam<mode>2_i387_with_temp): New insn and split pattern.
1570         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
1571         memory using fxam<mode>2_i387_with_temp to remove excess precision.
1572
1573 2009-02-19  Richard Guenther  <rguenther@suse.de>
1574
1575         PR tree-optimization/39207
1576         PR tree-optimization/39074
1577         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1578         storedanything_tree): New.
1579         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
1580         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1581         (build_succ_graph): Add edges from STOREDANYTHING to all
1582         non-direct nodes.
1583         (init_base_vars): Initialize STOREDANYTHING.
1584         (compute_points_to_sets): Free substitution info after
1585         building the succ graph.
1586         (ipa_pta_execute): Likewise.
1587
1588         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1589         field.
1590         (do_ds_constraint): Do not add to special var or non-pointer
1591         field solutions.
1592         (type_could_have_pointers): Split out from ...
1593         (could_have_pointers): ... here.  For arrays use the element type.
1594         (create_variable_info_for): Initialize may_have_pointers.
1595         (new_var_info): Likewise.
1596         (handle_lhs_call): Make the HEAP variable unknown-sized.
1597         (intra_create_variable_infos): Use a type with pointers for
1598         PARM_NOALIAS, make it unknown-sized.
1599
1600 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1601
1602         PR target/39224
1603         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1604
1605 2009-02-18  Jason Merrill  <jason@redhat.com>
1606
1607         PR target/39179
1608         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1609         value if DECL_EXTERNAL.
1610         * tree-sra.c (sra_walk_gimple_assign): Likewise.
1611         * target.h (gcc_target::binds_local_p): Clarify "module".
1612         * tree.h (TREE_PUBLIC): Clarify "module".
1613
1614 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
1615
1616         PR target/38891
1617         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1618         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1619
1620 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
1621
1622         PR target/39082
1623         * c.opt (Wabi): Support C and ObjC.
1624         (Wpsabi): New.
1625
1626         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1627
1628         * config/i386/i386.c (classify_argument): Warn once about the ABI
1629         change when passing union with long double.
1630
1631         * doc/invoke.texi: Update -Wabi for warning psABI changes.
1632
1633 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
1634
1635         PR c/35447
1636         * c-parser.c (c_parser_compound_statement): Always enter and leave
1637         a scope.
1638
1639 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1640
1641         PR target/34587
1642         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1643
1644 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
1645
1646         PR tree-optimization/36922
1647         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1648         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1649         Likewise.
1650
1651 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1652
1653         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1654         to 0 for EABI64.
1655
1656 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1657
1658         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1659
1660 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1661
1662         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1663         tree sharing.
1664
1665 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
1666             Richard Sandiford  <rdsandiford@googlemail.com>
1667
1668         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1669         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1670         (loongson_biadd): ...this.
1671
1672 2009-02-17  Richard Guenther  <rguenther@suse.de>
1673
1674         PR tree-optimization/39202
1675         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1676         a var make sure to follow existing collapses.
1677
1678 2009-02-17  Richard Guenther  <rguenther@suse.de>
1679
1680         PR middle-end/39214
1681         * langhooks.c (lhd_print_error_function): Check for NULL block.
1682
1683 2009-02-17  Richard Guenther  <rguenther@suse.de>
1684
1685         PR tree-optimization/39204
1686         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1687         of the PHI arg.
1688
1689 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
1690
1691         * config/soft-fp/double.h: Update from glibc CVS.
1692
1693 2009-02-17  Richard Guenther  <rguenther@suse.de>
1694
1695         PR tree-optimization/39207
1696         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1697         strict-aliasing warnings for pointers pointing to NULL.
1698
1699 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
1700
1701         PR c/35446
1702         * c-parser.c (c_parser_braced_init): Call pop_init_level when
1703         skipping until next close brace.
1704
1705 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
1706
1707         PR target/37049
1708         * config/i386/i386.c (ix86_expand_push): Set memory alignment
1709         to function argument boundary.
1710
1711 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
1712
1713         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1714         in the lea_add. Reload eventually constraints it properly.
1715         * config/picochip/constraints.md : Remove the target constraint
1716         "b", since it is not needed anymore.
1717
1718 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
1719
1720         * gthr-dce.h: Uglify function parameter and local variable names.
1721         * gthr-gnat.h: Likewise.
1722         * gthr-mipssde.h: Likewise.
1723         * gthr-nks.h: Likewise.
1724         * gthr-posix95.h: Likewise.
1725         * gthr-posix.h: Likewise.
1726         * gthr-rtems.h: Likewise.
1727         * gthr-single.h: Likewise.
1728         * gthr-solaris.h: Likewise.
1729         * gthr-tpf.h: Likewise.
1730         * gthr-vxworks.h: Likewise.
1731         * gthr-win32.h: Likewise.
1732
1733 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
1734
1735         PR target/39196
1736         * config/i386/i386.md: Restrict the new peephole2 to move
1737         between MMX/SSE registers.
1738
1739 2009-02-15  Richard Guenther  <rguenther@suse.de>
1740
1741         Revert
1742         2009-02-13  Richard Guenther  <rguenther@suse.de>
1743
1744         * configure.ac: Enable LFS.
1745         * configure: Re-generate.
1746         * config.in: Likewise.
1747
1748 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1749
1750         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1751         spu_srqwbyte, spu_srqwbytebc): Define.
1752         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1753         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1754         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1755         "shrqby_<mode>"): New insn-and-split patterns.
1756         * config/spu/spu.c (expand_builtin_args): Determine and return
1757         number of operands using spu_builtin_description data.
1758         (spu_expand_builtin_1): Use it.
1759
1760 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
1761
1762         PR target/38056
1763         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1764         TARGET_CONST_GP.
1765
1766 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1767
1768         PR target/39149
1769         * config/i386/i386.c (override_options): Correct warning
1770         messages for -malign-loops, -malign-jumps and -malign-functions.
1771
1772 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1773
1774         PR target/39152
1775         * config/i386/i386.md: Restrict the new peephole2 to move
1776         between the general purpose registers.
1777
1778 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1779
1780         PR target/39162
1781         * config/i386/i386.c (type_natural_mode): Add a new argument.
1782         Return the original mode and warn ABI change if vector size is 32byte.
1783         (function_arg_advance): Updated.
1784         (function_arg): Likewise.
1785         (ix86_function_value): Likewise.
1786         (ix86_return_in_memory): Likewise.
1787         (ix86_sol10_return_in_memory): Likewise.
1788         (ix86_gimplify_va_arg): Likewise.
1789         (function_arg_32): Don't warn ABX ABI change here.
1790         (function_arg_64): Likewise.
1791
1792 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
1793
1794         * loop-iv.c (implies_p): In the final case, test that operands 0
1795         of the two comparisons match.
1796
1797         * config/bfin/bfin.c (find_prev_insn_start): New function.
1798         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1799         (find_next_insn_start): Move.
1800
1801 2009-02-13  Richard Guenther  <rguenther@suse.de>
1802
1803         * configure.ac: Enable LFS.
1804         * configure: Re-generate.
1805         * config.in: Likewise.
1806
1807 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
1808
1809         PR c/35444
1810         * c-parser.c (c_parser_parms_list_declarator): Discard pending
1811         sizes on syntax error after some arguments have been parsed.
1812
1813 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1814
1815         * doc/invoke.texi (-fira): Remove.
1816
1817 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1818
1819         * caller-save.c: Replace regclass.c with reginfo.c in comments.
1820         * recog.c: Likewise.
1821         * rtl.h: Likewise.
1822
1823 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
1824
1825         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1826         (umul_ppmm): Likewise.
1827         (count_leading_zeros): Likewise.
1828         (count_trailing_zeros): Likewise.
1829         (UMUL_TIME): Likewise.
1830
1831 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1832
1833         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1834         soft-fp/t-softfp to tmake_file.
1835
1836         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1837         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1838         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1839         IA64_BUILTIN_INFQ]: New.
1840         (ia64_init_builtins): Initialize __builtin_infq,
1841         __builtin_fabsq and __builtin_copysignq if not HPUX.
1842         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1843         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1844
1845         * config/ia64/lib1funcs.asm (__divtf3): Define only if
1846         SHARED is defined.
1847         (__fixtfti): Likewise.
1848         (__fixunstfti): Likewise.
1849         (__floattitf): Likewise.
1850
1851         * config/ia64/libgcc-glibc.ver: New.
1852         * config/ia64/t-fprules-softfp: Likewise.
1853         * config/ia64/sfp-machine.h: Likewise.
1854
1855         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1856         (LIBGCC2_TF_CEXT): Likewise.
1857         (TF_SIZE): Likewise.
1858         (TARGET_INIT_LIBFUNCS): Likewise.
1859
1860         * config/ia64/t-glibc (SHLINB_MAPFILES):
1861         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1862
1863 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1864
1865         * config/i386/i386.c (construct_container): Rewrite processing
1866         BLKmode with X86_64_SSE_CLASS.
1867
1868 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
1869
1870         PR target/39152
1871         * config/i386/i386.md: Replace simplify_replace_rtx with
1872         replace_rtx in the new peephole2.
1873
1874 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
1875
1876         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1877         loop unrolling do not happen at -O2.
1878
1879 2009-02-12  Michael Matz  <matz@suse.de>
1880
1881         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1882
1883 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1884
1885         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1886         for -g3.
1887
1888 2009-02-12  Ben Elliston  <bje@au.ibm.com>
1889
1890         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1891         patterns when updating the back chain.  Missed in the 2009-02-10
1892         change.
1893
1894 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
1895
1896         * doc/extend.texi (Decimal Floating Types): Update identifier of
1897         draft TR and list of missing support.
1898
1899 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
1900
1901         PR middle-end/39154
1902         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1903         bit to variable length decl's flags, add it also to its
1904         pointer replacement variable.
1905
1906 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
1907             Jakub Jelinek  <jakub@redhat.com>
1908
1909         PR target/39118
1910         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1911         (memory_blockage): New expander.
1912         (*memory_blockage): New insn pattern.
1913         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1914         instead of general blockage at the end of function prologue when
1915         frame pointer is used to access red zone area.  Do not emit blockage
1916         when profiling, it is emitted in generic code.
1917         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1918         function epilogue when frame pointer is used to access red zone area.
1919
1920 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
1921
1922         PR target/38824
1923         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1924         by arithmetic with memory operands.
1925         * config/i386/predicates.md (commutative_operator): New.
1926
1927 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
1928
1929         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1930         bulleted lists.
1931
1932 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1933
1934         * alias.h (record_alias_subset): Declare.
1935         * alias.c (record_alias_subset): Make global.
1936
1937 2009-02-10  Nick Clifton  <nickc@redhat.com>
1938
1939         * tree-parloops.c: Change license to GPLv3.
1940         * ipa-struct-reorg.c: Change license to GPLv3.
1941         * ipa-struct-reorg.h: Change license to GPLv3.
1942
1943 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
1944
1945         PR c/39084
1946         * c-decl.c (start_struct): Return NULL on error.
1947
1948 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
1949
1950         PR middle-end/39124
1951         * cfgloopmanip.c (remove_path): Call remove_bbs after
1952         cancel_loop_tree, not before it.
1953
1954         PR target/39139
1955         * function.h (struct function): Add has_local_explicit_reg_vars bit.
1956         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1957         VAR_DECLs were seen.
1958         * tree-ssa-live.c (remove_unused_locals): Recompute
1959         cfun->has_local_explicit_reg_vars.
1960         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1961         copies or clearings if cfun->has_local_explicit_reg_vars.
1962
1963 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
1964
1965         PR target/39118
1966         * config/i386/i386.c (expand_prologue): Emit blockage at the end
1967         of function prologue when frame pointer is used to access
1968         red zone area.
1969
1970 2009-02-10  Richard Guenther  <rguenther@suse.de>
1971
1972         PR middle-end/39127
1973         * gimplify.c (gimple_regimplify_operands): Always look if
1974         we need to create a temporary.
1975
1976 2009-02-10  Richard Guenther  <rguenther@suse.de>
1977
1978         PR tree-optimization/39132
1979         * tree-loop-distribution.c (todo): New global var.
1980         (generate_memset_zero): Trigger TODO_rebuild_alias.
1981         (tree_loop_distribution): Return todo.
1982
1983 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
1984
1985         PR target/39119
1986         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1987         (x86_64_reg_class_name): Removed.
1988         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
1989         first one isn't X86_64_SSE_CLASS or any other ones aren't
1990         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
1991         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1992         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
1993         and 3 X86_64_SSEUP_CLASS.
1994         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
1995         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1996
1997 2009-02-10  Ben Elliston  <bje@au.ibm.com>
1998
1999         * config/rs6000/rs6000.md (allocate_stack): Always use an update
2000         form instruction to update the stack back chain word, even if the
2001         user has disabled the generation of update instructions.
2002         (movdi_<mode>_update_stack): New.
2003         (movsi_update_stack): Likewise.
2004         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2005         always use an update form instruction to update the stack back
2006         chain word.
2007
2008 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
2009
2010         PR middle-end/38953
2011         * graphite.c (if_region_set_false_region): After moving a region in
2012         the false branch of a condition, remove the empty dummy basic block.
2013         (gloog): Remove wrong fix for PR38953.
2014
2015 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2016
2017         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2018         generation due to implicit sign extension.
2019
2020 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
2021
2022         PR middle-end/38981
2023         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2024         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2025
2026 2009-02-09  Richard Guenther  <rguenther@suse.de>
2027
2028         PR middle-end/35202
2029         * convert.c (convert_to_real): Disable (float)fn((double)x)
2030         to fnf(x) conversion if errno differences may occur and
2031         -fmath-errno is set.
2032
2033 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
2034
2035         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2036         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2037         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2038
2039 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
2040
2041         PR c/35434
2042         * c-common.c (handle_alias_attribute): Disallow attribute for
2043         anything not a FUNCTION_DECL or VAR_DECL.
2044
2045 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
2046
2047         PR c/39035
2048         * real.c (do_compare): Special-case compare of zero against
2049         decimal float value.
2050
2051 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
2052
2053         PR c/36432
2054         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
2055         as indicating flexible array members unless the field itself is
2056         being declarared as the incomplete array.
2057
2058 2009-02-06  Jan Hubicka  <jh@suse.cz>
2059
2060         PR tree-optimization/38844
2061         * ipa-inline.c (try_inline): Stop inlining recursion when edge
2062         is already inlined.
2063
2064 2009-02-06  Richard Guenther  <rguenther@suse.de>
2065
2066         PR middle-end/38977
2067         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
2068         fork because we may expand it as __gcov_fork.
2069
2070 2009-02-06  Nick Clifton  <nickc@redhat.com>
2071
2072         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2073
2074 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
2075
2076         PR tree-optimization/35659
2077         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
2078         vn_phi_eq): Shortcut if hashcode does not match.
2079         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
2080         NULL operands.
2081         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
2082         and avoid iterative_hash_expr.
2083         (FOR_EACH_VALUE_ID_IN_SET): New.
2084         (value_id_compare): Remove.
2085         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
2086         sort expressions by value id.
2087
2088 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
2089
2090         PR target/38991
2091         * config/sh/predicates.md (general_movsrc_operand): Don't check
2092         the subreg of system registers here.
2093
2094 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
2095
2096         PR c++/39106
2097         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
2098         on the copied decl.
2099
2100 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
2101
2102         PR rtl-optimization/39110
2103         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
2104         addresses, not aligned ones.
2105
2106 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
2107             Richard Guenther  <rguenther@suse.de>
2108
2109         PR tree-optimization/39100
2110         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
2111         comment says and add edges.
2112
2113 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
2114
2115         PR c/35435
2116         * c-common.c (handle_tls_model_attribute): Ignore attribute for
2117         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
2118
2119 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2120
2121         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2122         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2123         register_bb_in_sese, new_sese, free_sese): Moved.
2124         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2125         outermost_loop_in_scop, build_scop_iteration_domain,
2126         expand_scalar_variables_ssa_name, get_vdef_before_scop,
2127         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2128         Use loop_in_sese_p instead of loop_in_scop_p.
2129         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
2130         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
2131         (scopdet_basic_block_info): Fix bug in scop detection.
2132         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2133         eq_loop_to_cloog_loop): Remove.
2134         (nb_loops_around_loop_in_scop, nb_loop
2135         ref_nb_loops): Moved here...
2136         * graphite.h (ref_nb_loops): ... from here.
2137         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
2138         (loop_domain_dim, loop_iteration_vector_dim): Remove.
2139         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2140         * testsuite/gcc.dg/graphite/scop-19.c: New
2141
2142 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
2143             Hans-Peter Nilsson  <hp@axis.com>
2144
2145         PR rtl-optimization/37889
2146         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
2147         Move offset handling from PLUS to before the switch.  Use new
2148         arguments when considering SYMBOL_REFs too.
2149         (rtx_addr_can_trap_p): Pass dummy offset and size.
2150         (enum may_trap_p_flags): Remove.
2151         (may_trap_p_1): Pass size from MEM_SIZE.
2152
2153         PR rtl-optimization/38921
2154         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
2155         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
2156         * rtlanal.c (may_trap_after_code_motion_p): Delete.
2157         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2158
2159 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
2160
2161         AVX Programming Reference (January, 2009)
2162         * config/i386/sse.md (*vpclmulqdq): New.
2163
2164 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
2165
2166         PR tree-optimization/38977
2167         PR gcov-profile/38292
2168         * calls.c (special_function_p): Disregard __builtin_ prefix.
2169
2170 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
2171
2172         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
2173         non-indexable addresses even before reload.
2174
2175 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
2176
2177         PR c/29129
2178         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
2179         as having variable size.  Do not give an error for unnamed
2180         parameters with [*] declarators.  Give a warning for type names
2181         with [*] declarators and mark them as variable size.
2182         * c-parser.c (c_parser_sizeof_expression): Do not give an error
2183         for sizeof applied to [*] type names.
2184
2185 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2186
2187         PR C++/36607
2188         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2189
2190 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
2191
2192         * gcc.c (process_command): Update copyright notice dates.
2193         * gcov.c (print_version): Likewise.
2194         * gcov-dump.c (print_version): Likewise.
2195         * mips-tfile.c (main): Likewise.
2196         * mips-tdump.c (main): Likewise.
2197
2198 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
2199
2200         PR c/35433
2201         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
2202         for composite type involving a zero-length array type.
2203
2204 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
2205
2206         PR target/35318
2207         * function.c (match_asm_constraints_1): Skip over
2208         initial optional % in the constraint.
2209
2210         PR inline-asm/39059
2211         * c-parser.c (c_parser_postfix_expression): If fixed point is not
2212         supported, don't accept FIXED_CSTs.
2213         * c-decl.c (finish_declspecs): Error if fixed point is not supported
2214         and _Sat is used without _Fract/_Accum.  Set specs->type to
2215         integer_type_node for cts_fract/cts_accum if fixed point is not
2216         supported.
2217
2218 2009-02-02  Catherine Moore  <clm@codesourcery.com>
2219
2220         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
2221
2222 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
2223
2224         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
2225         (ABI_HAS_64BIT_SYMBOLS): Use it.
2226         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
2227
2228 2009-02-02  Paul Brook  <paul@codesourcery.com>
2229
2230         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
2231
2232 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
2233
2234         PR inline-asm/39058
2235         * recog.h (asm_operand_ok): Add constraints argument.
2236         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
2237         recurse on matching constraint.
2238         (check_asm_operands): Pass constraints as 3rd argument to
2239         asm_operand_ok.  Don't look up matching constraint here.
2240         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
2241         to asm_operand_ok.
2242
2243 2009-02-02  Ben Elliston  <bje@au.ibm.com>
2244
2245         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
2246         TARGET_NARROW_VOLATILE_BITFIELD macro names.
2247
2248 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2249
2250         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
2251         information.  Remove some obsolete information.  Reorganize.
2252
2253         * config/pa/fptr.c: Revert license to GPL 2.
2254         * config/pa/milli64.S: Likewise.
2255
2256 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
2257
2258         PR target/38904
2259         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
2260         LIBRARY name in, instead of hard-coding it.
2261         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
2262         extra target make frag to tmake_files according to EH model.
2263         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
2264         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
2265         frags that define makefile variable EH_MODEL appropriately.
2266         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
2267         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
2268         to "-sjlj" according to type of EH configured.
2269         (LIBGCC_SONAME):  Concatenate it to shared library base name.
2270         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
2271         to "_sjlj" according to type of EH configured.
2272         (LIBGCC_SONAME):  Concatenate it to shared library base name.
2273         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
2274         (SHLIB_LINK):  Add missing semicolon to if-else construct.
2275         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
2276         string value of "pe_dll" command-line option.
2277         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
2278         (SHLIB_SONAME):  Use it when overriding t-cygming default.
2279         (SHLIB_IMPLIB):  Override t-cygming default.
2280         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
2281         string value of "pe_dll" command-line option.
2282
2283 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
2284
2285         PR target/38952
2286         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
2287         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
2288
2289 2009-01-31  Richard Guenther  <rguenther@suse.de>
2290
2291         PR tree-optimization/38937
2292         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
2293         computing the transitive closure.
2294
2295 2009-01-30  Richard Guenther  <rguenther@suse.de>
2296
2297         PR tree-optimization/39041
2298         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2299         Propagate variable indices only if the types match for this stmt.
2300
2301 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
2302
2303         PR target/39013
2304         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
2305         inline but never defined.
2306
2307 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
2308
2309         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
2310         (*insv_h_di_reg_extimm): New insn.
2311         (*insv_l<mode>_reg_extimm): New insn.
2312
2313 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
2314
2315         * config/picochip/picochip.c (flag_conserve_stack): set
2316         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
2317         fconserve-stack. Reduce call-overhead used by inliner.
2318
2319 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
2320
2321         PR/38157
2322         * common.opt (flag_conserve_stack): Initialised to zero.
2323
2324 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
2325
2326         PR/39002
2327         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
2328         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
2329         method.
2330
2331 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
2332
2333         * ira-color.c (allocno_reload_assign): Update comments.
2334         * regmove.c (regmove_optimize): Likewise.
2335
2336         * ra.h: Removed.
2337
2338 2009-01-29  Robert Millan  <rmh@aybabtu.com>
2339
2340         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
2341         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
2342         `MD_UNWIND_SUPPORT'.
2343         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
2344
2345 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
2346
2347         PR tree-optimization/39007
2348         * tree-loop-distribution.c (generate_builtin): Use
2349         recompute_dominator to compute the immediate dominator of the
2350         basic block just after the loop.
2351
2352 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2353
2354         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
2355         (ASM_OUTPUT_DWARF_PCREL): Define.
2356
2357 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
2358
2359         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
2360         * doc/passes.texi: Remove entries about regclass, local-alloc, and
2361         global.  Modify entries about regmove and IRA.
2362
2363         * ra-conflict.c: Remove the file.
2364
2365         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
2366
2367         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
2368         (pass_regclass_init): Rename to pass_reginfo_init.
2369
2370         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
2371
2372         * toplev.h (flag_ira): Remove.
2373
2374         * caller-save.c (setup_save_areas): Remove flag_ira.
2375
2376         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
2377
2378         * global.c: Remove the file.
2379
2380         * opts.c: (decode_options): Remove flag_ira.
2381
2382         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
2383
2384         * regmove.c: Modify file description.
2385         (find_use_as_address, try_auto_increment): Define them only if
2386         AUTO_INC_DEC is defined.
2387         (replacement_quality, replace_in_call_usage, fixup_match_1,
2388         stable_and_no_regs_but_for_p): Remove.
2389         (reg_set_in_bb): Make it static.
2390         (regmove_optimize): Remove flag_ira and code which worked for
2391         !flag_ira.
2392
2393         * local-alloc.c: Remove the file.
2394
2395         * common.opt (fira): Remove.
2396
2397         * ira.c: Include except.h.
2398         (eliminable_regset): Move from global.c.
2399         (mark_elimination): Ditto.  Remove flag_ira.
2400         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
2401         equiv_mem_modified, validate_equiv_mem_from_store,
2402         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
2403         contains_replace_regs, memref_referenced_p, memref_used_between_p,
2404         no_equiv, recorded_label_ref): Move from local-alloc.c.
2405         (update_equiv_regs): Ditto.  Make it static.
2406         (print_insn_chain, print_insn_chains): Move it from global.c.
2407         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
2408         (build_insn_chain): Ditto.  Make it static.
2409         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
2410         Rename to init_live_subregs.
2411         (gate_ira): Remove flag_ira.
2412
2413         * regclass.c: Rename reginfo.c.  Change file description.
2414         (FORBIDDEN_INC_DEC_CLASSES): Remove.
2415         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
2416         (init_reg_sets_1): Remove code for evaluation of
2417         reg_class_superclasses and losing_caller_save_reg_set.
2418         (init_regs): Remove init_reg_autoinc.
2419         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
2420         ok_for_base_p_nonstrict): Remove.
2421         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
2422         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
2423         corresponding entries.
2424         (dump_regclass, record_operand_costs, scan_one_insn,
2425         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
2426         record_address_regs, auto_inc_dec_reg_p): Remove.
2427         (gt-regclass.h): Rename to gt-reginfo.h.
2428
2429         * rtl.h (dump_global_regs, retry_global_alloc,
2430         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
2431
2432         * Makefile.in (RA_H): Remove.
2433         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
2434         Rename regclass.o to reginfo.o.
2435         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
2436         gt-reginfo.h.
2437         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
2438         (GTFILES): Rename regclass.c to reginfo.c.
2439
2440         * passes.c (init_optimization_passes): Remove pass_local_alloc and
2441         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
2442
2443         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2444         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
2445         Remove flag_ira.
2446         (finish_spills): Ditto.  Remove code for !flag_ira.
2447
2448 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
2449
2450         PR middle-end/35854
2451         * doc/invoke.texi (rtl debug options): Complete rewrite.
2452         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
2453         to auto_inc_dec".
2454         * mode-switching.c (pass_mode_switching): Rename pass from
2455         "mode-sw" to "mode_sw".
2456         * except.c (pass_convert_to_eh_ranges): Rename pass from
2457         "eh-ranges" to "eh_ranges".
2458         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
2459         to "subreg1".
2460
2461
2462 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
2463             Alexander Monakov  <amonakov@ispras.ru>
2464
2465         PR middle-end/38857
2466         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
2467         register.
2468         (move_exprs_to_boundary): Change return type and pass through
2469         should_move from move_op.  Relax assert.  Update usage ...
2470         (schedule_expr_on_boundary): ... here.  Use should_move instead of
2471         cant_move.
2472         (move_op_orig_expr_found): Indicate that insn was disconnected from
2473         stream.
2474         (code_motion_process_successors): Do not call after_merge_succs
2475         callback if original expression was not found when traversing any of
2476         the branches.
2477         (code_motion_path_driver): Change return type.  Update prototype.
2478         (move_op): Update comment.  Add a new parameter (should_move).  Update
2479         prototype.  Set *should_move based on indication provided by
2480         move_op_orig_expr_found.
2481
2482 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
2483
2484         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
2485         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
2486         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
2487         * config/rs6000/rs6000.c (rs6000_override_options): Default
2488         avoid-indexed-addresses on for Power6, off for everything else.
2489         (avoiding_indexed_address_p): New function.
2490         (rs6000_legitimize_address): Use it.
2491         (rs6000_legitimate_address): Likewise.
2492         * config/rs6000/rs6000.md (movXX_updateX): Likewise
2493
2494 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
2495
2496         PR tree-optimization/38997
2497         * tree-loop-distribution.c (generate_memset_zero): Use
2498         POINTER_PLUS_EXPR for a pointer addition.
2499
2500 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2501
2502         * config/s390/s390.md (bswap<mode>2): New pattern added.
2503
2504 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2505
2506         * config/s390/s390.md (*tls_load_31): Added type attribute.
2507
2508 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2509
2510         * config/s390/s390.md: Fix a few comments.
2511
2512 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2513
2514         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
2515         (*tm<mode>_full): Fixed z10prop attribute.
2516         (*tst<mode>_extimm): Fixed z10prop attribute.
2517         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
2518         (*tstqiCCT_cconly): Fixed z10prop attribute.
2519         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
2520         (*movsi_larl): Fixed z10prop attribute.
2521         (*movsi_zarch): Fixed z10prop attribute.
2522         (*movsi_eas): Fixed z10prop attribute.
2523         (*movhi): Fixed z10prop attribute.
2524         (*movqi): Fixed z10prop attribute.
2525         (*movstrictqi): Fixed z10prop attribute.
2526         (*mov<mode>): Fixed z10prop attribute.
2527         (*movcc): Fixed z10prop attribute.
2528         (*sethighpartdi_64): Fixed z10prop attribute.
2529         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
2530         (*negdi2_sign_cc): Fixed z10prop attribute.
2531         (*negdi2_sign): Fixed z10prop attribute.
2532         (*absdi2_sign_cc): Fixed z10prop attribute.
2533         (*absdi2_sign): Fixed z10prop attribute.
2534         (*negabsdi2_sign_cc): Fixed z10prop attribute.
2535         (*negabsdi2_sign): Fixed z10prop attribute.
2536         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2537         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2538         (doloop_si64): Fixed z10prop attribute.
2539         (doloop_si31): Fixed z10prop attribute.
2540         (doloop_long): Fixed z10prop attribute.
2541         (indirect_jump): Fixed z10prop attribute.
2542         (nop): Fixed z10prop attribute.
2543         (main_base_64): Fixed z10prop attribute.
2544         (reload_base_64): Fixed z10prop attribute.
2545
2546 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
2547
2548         PR rtl-optimization/38740
2549         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2550         if !optimize.
2551         * config/mips/mips.c (mips_reorg): Likewise.
2552
2553 2009-01-28  Richard Guenther  <rguenther@suse.de>
2554
2555         PR tree-optimization/38926
2556         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2557         with the correct value id to a value.
2558         (do_regular_insertion): Use the value number of edoubleprime
2559         for the value number of the expr.
2560
2561         Revert
2562         2008-08-21  Richard Guenther  <rguenther@suse.de>
2563
2564         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2565         a PHI ask VN if it is already available.
2566         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2567         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2568
2569 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
2570
2571         PR middle-end/38934
2572         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2573         set to varying whenever max has TREE_OVERFLOW set, similarly
2574         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2575
2576 2009-01-28  Richard Guenther  <rguenther@suse.de>
2577
2578         PR middle-end/38908
2579         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2580         uninitialized aggregate uses in call arguments.
2581
2582 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
2583
2584         PR tree-optimization/38984
2585         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2586         the nothing_id variable if -fno-delete-null-pointer-checks.
2587
2588 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
2589
2590         PR target/38988
2591         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2592         (set_got_offset_rex64): Ditto.
2593
2594 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2595
2596         PR target/38941
2597         * doc/extend.texi: Improve local variable with asm reg.
2598
2599 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
2600
2601         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2602         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2603         was not supplied then set warn_packed_bitfield_compat to the
2604         default value of 1.
2605         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2606         against 1.
2607
2608 2009-01-27  Richard Guenther  <rguenther@suse.de>
2609
2610         PR tree-optimization/38503
2611         * cfgexpand.c (expand_gimple_basic_block): Ignore
2612         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2613         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2614         variables that cannot have TBAA applied.
2615         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2616         statements.
2617
2618 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
2619
2620         PR middle-end/38969
2621         * calls.c (initialize_argument_information): Do not wrap complex
2622         arguments in SAVE_EXPR.
2623
2624 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
2625
2626         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2627         (INSTALL_LIBGCC): Revert typo commit.
2628
2629 2009-01-26  Richard Guenther  <rguenther@suse.de>
2630
2631         PR tree-optimization/38745
2632         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2633         from special handling.
2634
2635 2009-01-26  Richard Guenther  <rguenther@suse.de>
2636
2637         PR tree-optimization/38745
2638         * tree-ssa.c (execute_update_addresses_taken): Do not include
2639         variables that cannot possibly be a register in not_reg_needs.
2640         Do not clear TREE_ADDRESSABLE on vars that may not become
2641         registers.
2642         * tree-ssa.c (update_alias_info_1): Include those in the set
2643         of addressable vars.
2644
2645 2009-01-26  Richard Guenther  <rguenther@suse.de>
2646
2647         PR middle-end/38851
2648         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2649         * tree-ssa-dse.c: Include langhooks.h
2650         (execute_simple_dse): Remove stores with zero size.
2651
2652 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
2653
2654         PR c/38957
2655         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2656         as PLUS_EXPR.
2657
2658 2009-01-24  Julian Brown  <julian@codesourcery.com>
2659
2660         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2661         config/arm/linux-atomic.c.
2662         * config/arm/linux-atomic.c: New.
2663
2664 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
2665
2666         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2667         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2668         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2669
2670 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2671
2672         PR c/38938
2673         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2674         properly.
2675
2676 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
2677
2678         PR tree-optimization/38953
2679         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2680         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2681         (gloog): Split the exit of the scop when the scop exit is a loop exit.
2682         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2683         changed the CFG.
2684
2685 2009-01-24  Paul Brook  <paul@codesourcery.com>
2686
2687         * config/arm/neon.md (neon_type): Move to arm.md.
2688         (neon_mov<VSTRUCT>): Add neon_type attribute.
2689         * config/arm/arm.md (neon_type): Move to here.
2690         (conds): Add "unconditioal" and use as default for NEON insns.
2691
2692 2009-01-24  Ben Elliston  <bje@au.ibm.com>
2693
2694         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2695         void *' warning from -Wc++-compat.
2696         * Makefile.in (dominance.o-warn): Remove.
2697
2698 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
2699
2700         PR tree-optimization/38932
2701         * fold-const.c (fold_unary_ignore_overflow): New.
2702         * tree.h (fold_unary_ignore_overflow): Declare.
2703         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2704         * tree-ssa-sccvn.c (visit_reference_op_load,
2705         simplify_unary_expression): Likewise.
2706
2707 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
2708
2709         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2710         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
2711         regardless of their type.
2712         * c-common.c (handle_packed_attribute): Don't ignore packed on
2713         bitfields.
2714         * c.opt (Wpacked-bitfield-compat): New warning option.
2715         * stor-layout.c (place_field): Warn if offset of a field changed.
2716         * doc/extend.texi (packed): Mention the ABI change.
2717         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2718         (Warning Options): Add it to the list.
2719
2720 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2721
2722         * c-opts.c (c_common_post_options): Fix a typo in comments.
2723
2724 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
2725
2726         PR middle-end/38615
2727         * gimplify.c (gimplify_init_constructor): Fix promotion of const
2728         variables to static.
2729         * doc/invoke.texi (-fmerge-all-constants): Update description.
2730
2731 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
2732
2733         PR target/38931
2734         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2735         (*movdi_1_rex64): Use type "mmx" for alternative 5.
2736
2737 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
2738
2739         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2740         a word boundary.
2741         (LOCAL_ALIGNMENT): Similarly.
2742
2743 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
2744             Joseph Myers  <joseph@codesourcery.com>
2745
2746         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2747         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2748         * config/arm/arm-tune.md: Regenerate.
2749         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2750         -march=iwmmxt2.
2751
2752 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
2753
2754         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2755         version number to five.
2756
2757 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
2758
2759         PR c++/38930
2760         * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2761         * c-common.c (set_underlying_type): Likewise.
2762         (is_typedef_decl ): Likewise
2763         * tree.h: Likewise
2764         (set_underlying_type): Likewise.
2765         (is_typedef_type): Likewise.
2766
2767 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
2768
2769         PR middle-end/38587
2770         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2771         crossing setjmps.
2772
2773 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
2774
2775         PR bootstrap/37660
2776         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
2777         (LIBGCC_SPEC):  Don't define.
2778         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
2779
2780 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
2781
2782         PR rtl-optimization/38879
2783         * alias.c (base_alias_check): Unaligned access via AND address can
2784         alias all surrounding object types except those with sizes equal
2785         or wider than the size of unaligned access.
2786
2787 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
2788
2789         PR c++/26693
2790         * c-decl.c: (clone_underlying_type): Move this ...
2791         * c-common.c (set_underlying_type): ... here.
2792         Also, make sure the function properly sets TYPE_STUB_DECL() on
2793         the newly created typedef variant type.
2794         (is_typedef_decl ): New entry point.
2795         * tree.h: Added a new member member_types_needing_access_check to
2796         struct tree_decl_non_common.
2797         (set_underlying_type): New entry point.
2798         (is_typedef_type): Likewise.
2799
2800 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
2801
2802         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2803         Check whether two instructions have memory references that
2804         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
2805         are helper functions for traversing.
2806         * alias.h (insn_alias_sets_confilict_p): New prototypes.
2807         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2808         not to draw dependency edge for instructions with non-conflicting
2809         alias sets.
2810
2811 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
2812
2813         PR other/38758
2814         * longlong.h: Update copyright years.  Use soft-fp license notice.
2815         Sync __clz_tab declaration with glibc.
2816
2817 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
2818
2819         PR target/30687
2820         * doc/extend.texi (syscall_linkage): New.
2821         (version_id): Modify.
2822
2823 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2824             Richard Guenther  <rguenther@suse.de>
2825
2826         PR tree-optimization/38747
2827         PR tree-optimization/38748
2828         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2829         conversion if the base address is an indirect reference and the
2830         aliasing sets could cause issues.
2831
2832 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2833
2834         * common.opt (fgraphite, fgraphite-identity): Add comment for
2835         explaining why these options are not documented.
2836
2837 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2838
2839         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2840         gimple_call_lhs is NULL.
2841
2842 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
2843
2844         PR target/38868
2845         * emit-rtl.c (adjust_address_1): Make sure memref is never
2846         overwritten.
2847
2848 2009-01-20  Ben Elliston  <bje@au.ibm.com>
2849
2850         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2851         const qualifier from arg parameter. Remove unnecessary cast to char *.
2852         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2853         const qualifier from arg 2.
2854
2855 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
2856
2857         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2858
2859 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2860
2861         PR c/38869
2862         * rtl.h (reinit_regs): New prototype.
2863         * regclass.c: Include ira.h.
2864         (reinit_regs): New.
2865         * Makefile.in (regclass.o): Add ira.h.
2866         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2867
2868 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
2869
2870         PR target/38736
2871         * c-common.c (handle_aligned_attribute): Use
2872         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2873         default alignment value.
2874
2875         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2876
2877         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2878         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2879
2880         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
2881         __BIGGEST_ALIGNMENT__.
2882
2883         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2884
2885 2009-01-18  Richard Guenther  <rguenther@suse.de>
2886
2887         PR tree-optimization/38819
2888         * tree-flow.h (operation_could_trap_helper_p): Declare.
2889         * tree-eh.c (operation_could_trap_helper_p): Export.
2890         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2891         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2892         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2893         are about to insert a possibly trapping instruction and fail
2894         in this case.
2895
2896 2009-01-18  Andreas Schwab  <schwab@suse.de>
2897
2898         * doc/install.texi (Configuration): Remove obsolete paragraph
2899         about use of --with-gnu-ld with --with-gnu-as.
2900
2901 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
2902
2903         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2904         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2905         Follow spelling conventions.
2906
2907 2009-01-18  Ben Elliston  <bje@au.ibm.com>
2908
2909         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2910         C++ warning about implicit conversion from void * to struct
2911         bitmap_head_def *.
2912         (bitmap_obstack_free): Likewise for bitmap_element *.
2913         * Makefile.in (bitmap.o-warn): Remove.
2914
2915 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
2916
2917         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
2918
2919 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
2920             Tobias Grosser  <tobi.grosser@amd.com>
2921
2922         * graphite.c (graphite_trans_scop_block): Do not block single
2923         nested loops.
2924
2925 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
2926
2927         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2928         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2929         test with assertion.
2930
2931 2009-01-16  Richard Guenther  <rguenther@suse.de>
2932
2933         PR tree-optimization/38835
2934         PR middle-end/36227
2935         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2936         and INT + PTR -> (INT)(PTR p+ INT) folding.
2937         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2938
2939 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
2940
2941         PR target/38554
2942         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2943         the subreg from a lowpart subreg if it is also casting the value.
2944
2945 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2946             Tobias Grosser  <tobi.grosser@amd.com>
2947
2948         * graphite.c (compare_prefix_loops): New.
2949         (build_scop_canonical_schedules): Rewritten.
2950         (graphite_transform_loops): Move build_scop_canonical_schedules
2951         after build_scop_iteration_domain.
2952
2953 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2954             Tobias Grosser  <tobi.grosser@amd.com>
2955
2956         * graphite.c (add_conditions_to_domain): Add the loops to
2957         the dimension of the iteration domain.  Do copy the domain
2958         only when it exists.
2959         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2960         (add_conditions_to_constraints): New.
2961         (can_generate_code_stmt, can_generate_code): Removed.
2962         (gloog): Do not call can_generate_code.
2963         (graphite_transform_loops): Call add_conditions_to_constraints
2964         after building the iteration domain.
2965
2966 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
2967
2968         PR tree-optimization/38789
2969         * tree-ssa-threadedge.c
2970         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2971         __builtin_constant_p.
2972
2973 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
2974
2975         * dce.c (delete_unmarked_insns): Reversed the order that insns are
2976         examined before deleting them.
2977
2978 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
2979
2980         * function.c (aggregate_value_p): Correctly extract the function
2981         type from CALL_EXPR_FN lookup.
2982
2983 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
2984
2985         * config/picochip/picochip.c (picochip_override_options): Revert
2986         CFI asm flag disable commited previously.
2987
2988 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2989             Tobias Grosser  <tobi.grosser@amd.com>
2990             Jan Sjodin  <jan.sjodin@amd.com>
2991
2992         * graphite.c (scan_tree_for_params): On substractions negate
2993         all the coefficients of the term.
2994         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2995         of more than two operands.
2996         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2997         (get_vdef_before_scop): Handle also the case of default definitions.
2998
2999 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3000
3001         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
3002         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
3003         Also use them when walking CALL_INSN_FUNCTION_USAGE.
3004
3005 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
3006             Joey Ye  <joey.ye@intel.com>
3007
3008         PR middle-end/37843
3009         * cfgexpand.c (expand_stack_alignment): Don't update stack
3010         boundary nor check incoming stack boundary here.
3011         (gimple_expand_cfg): Update stack boundary and check incoming
3012         stack boundary here.
3013
3014 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
3015
3016         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
3017
3018 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
3019
3020         PR rtl-optimization/38245
3021         * calls.c (expand_call): Add stack arguments to
3022         CALL_INSN_FUNCTION_USAGE even for pure calls (when
3023         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3024         in regs and partially in memory or BLKmode arguments.
3025         (emit_library_call_value_1): Add stack arguments to
3026         CALL_INSN_FUNCTION_USAGE even for pure calls (when
3027         ACCUMULATE_OUTGOING_ARGS).
3028         * dce.c: Include tm_p.h.
3029         (find_call_stack_args): New function.
3030         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
3031         argument.
3032         (mark_insn): Call find_call_stack_args for CALL_Ps.
3033         (prescan_insns_for_dce): Walk insns backwards in bb rather than
3034         forwards.  Allocate and free arg_stores bitmap if needed, pass it
3035         down to deletable_insn_p, don't mark stores set in arg_stores
3036         bitmap, clear the bitmap at the beginning of each bb.
3037         * Makefile.in (dce.o): Depend on $(TM_P_H).
3038
3039 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
3040
3041         PR target/22599
3042         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3043         to make sure the insn is a conditional test (bug 22599).  Reformat a
3044         few long lines.
3045
3046 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3047
3048         PR middle-end/38431
3049         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3050         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3051         (gloog): Do not call cleanup_tree_cfg.
3052         (graphite_transform_loops): Call cleanup_tree_cfg after all
3053         scops have been code generated.
3054
3055 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
3056         * doc/gty.texi (Invoking the garbage collector): Added new node
3057         and section documenting ggc_collect.
3058
3059 2009-01-14  Richard Guenther  <rguenther@suse.de>
3060
3061         PR tree-optimization/38826
3062         PR middle-end/38477
3063         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
3064         initialization notes only if we actually emitted a warning.
3065         (intra_create_variable_infos): Add constraints for a result decl
3066         that is passed by hidden reference.
3067         (build_pred_graph): Mark all related variables non-direct on
3068         address-taking.
3069
3070 2009-01-14  Nick Clifton  <nickc@redhat.com>
3071
3072         * ira-conflicts.c: Include addresses.h for the definition of
3073         base_reg_class.
3074         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
3075         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
3076
3077 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
3078
3079         PR target/38811
3080         * Makefile.in (ira-lives.o): Add except.h.
3081
3082         * ira-lives.c: Include except.h.
3083         (process_bb_node_lives): Process can_throw_internal.
3084
3085 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
3086
3087         PR rtl-optimization/38774
3088         * combine.c (simplify_set): When undoing cc_use change, don't do
3089         PUT_CODE on the newly created comparison, but instead put back the
3090         old comparison.
3091
3092 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
3093
3094         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
3095         values.  Remove duplicate arm8 entry.
3096
3097 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3098
3099         PR tree-optimization/38786
3100         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3101         the SSA_NAME case of expand_scalar_variables_expr.
3102         Set the type of an expression to the type of its assign statement.
3103         (expand_scalar_variables_expr): Also gather the scalar computation
3104         used to index the memory access.  Do not pass loop_p.
3105         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3106         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3107         the gimple_stmt_iterator where it inserts new code.
3108         Do not pass loop_p.
3109         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3110         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3111
3112 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3113
3114         * graphite.h (debug_value): Removed.
3115         * graphite.c (debug_value): Removed.
3116
3117 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
3118
3119         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
3120         ldrd/strd with two 32-bit instructions.
3121
3122 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
3123
3124         * config/arm/arm.c (struct processors): Pass for speed down into
3125         cost helper functions.
3126         (const_ok_for_op): Handle COMPARE and inequality nodes.
3127         (arm_rtx_costs_1): Rewrite.
3128         (arm_size_rtx_costs): Update prototype.
3129         (arm_rtx_costs): Pass speed down to helper functions.
3130         (arm_slowmul_rtx_costs): Rework cost calculations.
3131         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
3132         (arm_9e_rtx_costs): Likewise.
3133
3134 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
3135
3136         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
3137         relocations of local symbols wider than UNITS_PER_WORD are not valid.
3138         (alpha_legitimize_address): Do not split local symbols wider than
3139         UNITS_PER_WORD into HIGH/LO_SUM parts.
3140
3141 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
3142
3143         PR bootstrap/38580
3144         * gcc.c (process_command): Replace call to execvp with calls
3145         to pex_one and exit.
3146
3147 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
3148
3149         PR target/29141
3150         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
3151         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
3152         variant for devices with 3-byte PC.
3153         (__tablejump_elpm__) : New.
3154
3155 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
3156
3157         PR c/32041
3158         * c-parser.c (c_parser_postfix_expression): Allow `->' in
3159         offsetof member-designator, handle it as `[0].'.
3160
3161 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3162
3163         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
3164         function when not using named sections on targets with named sections
3165         if branch distance is less than 262132.
3166
3167 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
3168
3169         * combine.c (combine_instructions):  Recompute
3170         optimize_this_for_speed_p  for each BB in the main combine loop.
3171
3172 2009-01-12  Tomas Bily  <tbily@suse.cz>
3173
3174         PR middlend/38385
3175         * tree-loop-distribution.c (prop_phis): New function.
3176         (generate_builtin): Call prop_phis.
3177         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
3178
3179 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
3180
3181         PR tree-optimization/38807
3182         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
3183         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
3184
3185 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
3186
3187         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3188         subreg of op0 to the original op0.
3189
3190 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
3191
3192         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
3193
3194 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
3195
3196         PR debug/7055
3197         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
3198         starting with digits.
3199
3200 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
3201
3202         PR target/38695
3203         * config/arm/arm.c (arm_is_long_call_p): Don't call
3204         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
3205
3206 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
3207
3208         * regrename.c (regrename_optimize): Fix dumping.
3209         (find_oldest_value_reg): Preserve REG_POINTER.
3210         (copy_hardreg_forward_1): Likewise.
3211
3212 2009-01-09  Diego Novillo  <dnovillo@google.com>
3213
3214         * gimple.h (struct gimple_statement_base) <uid>: Document
3215         the restrictions on its use.
3216         (gimple_uid): Tidy.
3217         (gimple_set_uid): Tidy.
3218
3219 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
3220
3221         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
3222         zero guard even if align_bytes != 0 and count is smaller than
3223         size_needed.
3224
3225 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
3226
3227         PR rtl-optimization/38495
3228         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
3229         (add_range_and_copies_from_move_list): Print all added ranges.
3230         Add ranges to memory optimized destination.
3231
3232 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
3233
3234         PR target/38686
3235         PR target/38708
3236         * config/i386/i386.c (override_options): Reject
3237         -mstringop-strategy=rep_8byte with -m32.
3238         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
3239         to 1.  Do count comparison against epilogue_size_needed at compile
3240         time even when count_exp was constant forced into register.  For
3241         size_needed don't jump to epilogue, instead just avoid aligning
3242         and invoke the body algorithm.  If need_zero_guard, add zero guard
3243         even if count is non-zero, but smaller than size_needed + number of
3244         bytes that could be stored for alignment.
3245         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
3246         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
3247         but smaller than size_needed + number of bytes that could be stored
3248         for alignment.  Compare size_needed with epilogue_size_needed instead
3249         of desired_align - align, don't adjust size_needed, pass
3250         epilogue_size_needed to the epilogue expanders.
3251
3252         PR c/35742
3253         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
3254
3255 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3256
3257         * pa.c (last_address): Change to unsigned.
3258         (update_total_code_bytes): Change argument to unsigned.  Don't
3259         check if insn addresses are set.
3260         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
3261         addresses are not set.
3262         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
3263
3264 2009-01-09  Nick Clifton  <nickc@redhat.com>
3265
3266         * config/sh/symbian.c: Replace uses of DECL_INLINE with
3267         DECL_DECLARED_INLINE_P.
3268
3269 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
3270
3271         PR middle-end/38347
3272         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
3273         GET_MODE (op0) in operand_subword_force calls.
3274
3275         PR middle-end/38771
3276         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
3277         fold_convert arg0 operands to TREE_TYPE (op0) first.
3278
3279 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
3280
3281         * params.def (ira-max-conflict-table-size): Decrease default value
3282         to 1000.
3283
3284 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
3285
3286         PR tree-optimization/37031
3287         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
3288         on parameter_set.
3289         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
3290         allocate it using gc instead of heap, use VEC_quick_push instead of
3291         VEC_safe_push.
3292         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
3293         instead of heap, use VEC_quick_push instead of VEC_safe_push.
3294         * tree-data-ref.h (struct access_matrix): Change matrix to gc
3295         allocated vector from heap allocated.
3296         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
3297         * tree-loop-linear.c (linear_transform_loops): Allocate nest
3298         vector only after perfect_loop_nest_depth call.
3299
3300 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3301             Jan Sjodin  <jan.sjodin@amd.com>
3302
3303         PR tree-optimization/38559
3304         * graphite.c (debug_value, copy_constraint,
3305         swap_constraint_variables, scale_constraint_variable, ): New.
3306         (get_lower_bound, get_upper_bound): Removed.
3307         (graphite_trans_bb_strip_mine): Clean up this code that works
3308         only for constant number of iterations.  Fully copy upper and
3309         lower bound constraints, not only the constant part of them.
3310         * graphite.h (debug_value): Declared.
3311
3312 2009-01-08  Ira Rosen  <irar@il.ibm.com>
3313
3314         PR tree-optimization/37194
3315         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
3316         Don't add the cost of cost model guard in prologue to scalar
3317         outside cost in case of known number of iterations.
3318
3319 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3320             Alan Modra  <amodra@bigpond.net.au>
3321
3322         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
3323         non-word-aligned REG+CONST addressing.
3324
3325 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
3326
3327         PR target/38706
3328         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
3329         free_after_compilation when outputting a thunk.
3330         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
3331         Do not call free_after_compilation here.
3332
3333 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
3334
3335         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
3336         (ix86_valid_target_attribute_inner_p): Ditto.
3337
3338 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
3339
3340         PR tree-optimization/38492
3341         PR tree-optimization/38498
3342         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3343         * tree-chrec.h (scev_is_linear_expression): Declared.
3344         * graphite.c (graphite_cannot_represent_loop_niter): New.
3345         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3346         (graphite_loop_normal_form): Use gcc_assert.
3347         (scan_tree_for_params): Use CASE_CONVERT.
3348         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3349         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3350         Use gcc_assert.  Discard scops that contain unhandled cases.
3351         (build_scop_conditions): Return a boolean status for unhandled cases.
3352         (strip_mine_profitable_p): Print the loop number, not its depth.
3353         (is_interchange_valid): Pass the depth of the loop nest, don't
3354         recompute it wrongly.
3355         (graphite_trans_bb_block): Same.
3356         (graphite_trans_bb_block): Print tentative of loop blocking.
3357         (graphite_trans_scop_block): Do not print that the loop has been
3358         blocked.
3359         (graphite_transform_loops): Do not handle scops that contain condition
3360         scalar phi nodes.
3361
3362 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
3363
3364         AVX Programming Reference (December, 2008)
3365         * config/i386/avxintrin.h (_mm256_stream_si256): New.
3366         (_mm256_stream_pd): Likewise.
3367         (_mm256_stream_ps): Likewise.
3368
3369         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
3370         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
3371         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
3372         (bdesc_special_args): Add __builtin_ia32_movntdq256,
3373         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
3374         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
3375         (ix86_expand_special_args_builtin): Likewise.
3376
3377         * config/i386/sse.md (AVXMODEDI): New.
3378         (avx_movnt<mode>): Likewise.
3379         (avx_movnt<mode>): Likewise.
3380         (<sse>_movnt<mode>): Remove AVX support.
3381         (sse2_movntv2di): Likewise.
3382
3383 2009-01-07  Richard Guenther  <rguenther@suse.de>
3384
3385         PR middle-end/38751
3386         * fold-const.c (extract_muldiv): Remove obsolete comment.
3387         (fold_plusminus_mult_expr): Undo MINUS_EXPR
3388         to PLUS_EXPR canonicalization for the canonicalization.
3389
3390 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
3391
3392         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
3393         hosted cross-compilers generating less efficient code.
3394
3395 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
3396
3397         * function.h (rtl_data): Add a dbr_scheduled_p field.
3398         * reorg.c (dbr_schedule): Set it.
3399         (gate_handle_delay_slots): Check it.
3400         * config/mips/mips.c (mips_base_delayed_branch): Delete.
3401         (mips_reorg): Check flag_delayed_branch instead of
3402         mips_base_delayed_branch.
3403         (mips_override_options): Don't set mips_base_delayed_branch
3404         or flag_delayed_branch.
3405
3406 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
3407
3408         PR rtl-optimization/38426.
3409         * ira.c (ira): Set current_function_is_leaf earlier.
3410
3411 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
3412
3413         PR rtl-optimization/38722
3414         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
3415         too early, only set a flag and modify after last possible
3416         undo_all point.
3417
3418 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
3419
3420         PR c/34252
3421         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
3422         * real.c (decimal_single_format): Correct values of emin and emax.
3423         (decimal_double_format): Ditto.
3424         (decimal_quad_format): Ditto.
3425         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
3426         computation of DECnn_MIN and DECnn_MAX for corrected values of
3427         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
3428         __DECnn_MIN__, and adjust its computation for the corrected value
3429         of emin.
3430
3431 2009-01-06  Jan Hubicka  <jh@suse.cz>
3432
3433         PR target/38744
3434         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
3435
3436 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
3437
3438         * doc/contrib.texi (Contributors): Slightly adjust the end note.
3439         Add Robert Clark to the list of testers.
3440
3441 2009-01-06  Jan Hubicka  <jh@suse.cz>
3442             Kai Tietz  <kai.tietz@onevision.com>
3443
3444         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
3445         * config/i386/i386.c (ix86_expand_call): Add clobbers.
3446
3447 2009-01-06  Jan Hubicka  <jh@suse.cz>
3448             Kai Tietz  <kai.tietz@onevision.com>
3449
3450         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
3451         for w64 ABI.
3452         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
3453         (ix86_nsaved_regs): Count only general purpose regs.
3454         (ix86_nsaved_sseregs): New.
3455         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
3456         to 16 for w64; compute padding and size of sse reg save area.
3457         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
3458         general purpose regs.
3459         (ix86_emit_save_sse_regs_using_mov): New.
3460         (ix86_expand_prologue): Save SSE regs if needed.
3461         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
3462         (ix86_emit_restore_sse_regs_using_mov): New.
3463         (ix86_expand_epilogue): Save SSE regs if needed.
3464
3465 2009-01-06  Jan Hubicka  <jh@suse.cz>
3466             Kai Tietz  <kai.tietz@onevision.com>
3467
3468         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
3469         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
3470         functions when accumulate outgoing args is off.
3471
3472 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
3473
3474         PR bootstrap/38742
3475         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
3476         before using pseudos_have_intersected_live_ranges_p.
3477
3478         * ira-int.h (ira_assert): Always define.
3479
3480 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
3481
3482         AVX Programming Reference (December, 2008)
3483         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
3484         (_mm256_permute2_pd): Likewise.
3485         (_mm_permute2_ps): Likewise.
3486         (_mm256_permute2_ps): Likewise.
3487         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
3488         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
3489
3490         * config/i386/i386.c (ix86_builtins): Remove
3491         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
3492         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
3493         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
3494         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
3495         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
3496         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
3497         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
3498         __builtin_ia32_vpermil2ps256.
3499         (ix86_init_mmx_sse_builtins): Updated.
3500         (ix86_expand_args_builtin): Likewise.
3501
3502 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3503
3504         * pa.c (output_call): Relocate non-jump insns in the delay slot of
3505         long absolute calls when generating PA 2.0 code.
3506
3507 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
3508
3509         PR rtl-optimization/38583
3510         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
3511
3512         * params.def (ira-max-conflict-table-size): New.
3513
3514         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
3515
3516         * ira.h (ira_conflicts_p): New external definition.
3517
3518         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
3519         table.  Report this.  Return result of building.
3520         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
3521         building conflict table.
3522
3523         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
3524         (ira_color): Use ira_conflicts_p.
3525
3526         * global.c: Include ira.h.
3527         (pseudo_for_reload_consideration_p, build_insn_chain): Use
3528         ira_conflicts_p.
3529
3530         * Makefile.in (global.o): Add ira.h.
3531
3532         * ira-build.c (mark_all_loops_for_removal,
3533         propagate_some_info_from_allocno): New.
3534         (remove_unnecessary_allocnos): Call
3535         propagate_some_info_from_allocno.
3536         (remove_low_level_allocnos): New.
3537         (remove_unnecessary_regions): Add parameter.  Call
3538         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
3539         parameter to remove_unnecessary_regions.
3540         (ira_build): Remove all regions but root if the conflict table was
3541         not built.  Update conflict hard regs for allocnos crossing calls.
3542
3543         * ira.c (ira_conflicts_p): New global.
3544         (ira): Define and use ira_conflicts_p.
3545
3546         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3547         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3548         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3549
3550 2009-01-06  Ben Elliston  <bje@au.ibm.com>
3551
3552         * gengtype-lex.l (YY_NO_INPUT): Define.
3553
3554 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3555
3556         PR c/34911
3557         * c-common.c (handle_vector_size_attribute): Also reject
3558         BOOLEAN_TYPE types.
3559
3560 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
3561
3562         PR tree-optimization/38492
3563         * graphite.c (rename_map_elt, debug_rename_elt,
3564         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3565         rename_map_elt_info, eq_rename_map_elts,
3566         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3567         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3568         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3569         (sese_build_livein_liveouts): New.
3570         (new_sese, free_sese): New.
3571         (new_scop): Call new_sese.
3572         (free_scop): Call free_sese.
3573         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3574         (register_old_new_names): Renamed register_old_and_new_names.
3575         (register_scop_liveout_renames, add_loop_exit_phis,
3576         insert_loop_close_phis, struct igp,
3577         default_liveout_before_guard, add_guard_exit_phis,
3578         insert_guard_phis, copy_renames): New.
3579         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3580         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3581         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3582         (scop_adjust_phis_for_liveouts): New.
3583         (gloog): Call scop_adjust_phis_for_liveouts.
3584
3585         * graphite.h (struct sese): Documented.  Added fields liveout,
3586         num_ver and livein.
3587         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3588         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3589         (struct scop): Added field liveout_renames.
3590         (SCOP_LIVEOUT_RENAMES): New.
3591
3592 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3593
3594         PR tree-optimization/38510
3595         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3596         (translate_clast): Call recompute_all_dominators before
3597         graphite_verify.
3598         (gloog): Call recompute_all_dominators before graphite_verify.
3599
3600 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3601             Jan Sjodin  <jan.sjodin@amd.com>
3602
3603         PR tree-optimization/38500
3604         * graphite.c (create_sese_edges): Call fix_loop_structure after
3605         splitting blocks.
3606
3607 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
3608
3609         * config.gcc: Add m32r*-*-rtems*.
3610         * config/m32r/rtems.h: New file.
3611
3612 2009-01-05  Ben Elliston  <bje@au.ibm.com>
3613
3614         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3615         (.po.pox): Likewise.
3616         (po/gcc.pot): Likewise.
3617
3618 2009-01-04  David S. Miller  <davem@davemloft.net>
3619
3620         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3621         (STARTING_FRAME_OFFSET): Always set to zero.
3622
3623 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
3624
3625         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3626         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3627         fixed-point types, and vectors of the same.
3628
3629 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
3630
3631         * config/mips/sync.md (*mb_barrier): Rename to...
3632         (*memory_barrier): ...this.
3633
3634 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
3635
3636         * doc/extend.texi (Function Attributes): Move @cindex after @item
3637         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3638         and put in alphabetical order. Fix 'target' name and put in order.
3639         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3640         typos.
3641
3642 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
3643
3644         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3645         (memory_barrier): Expand as unspec instead of unspec_volatile.
3646         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3647         (*memory_barrier): Define as unspec instead of unspec_volatile.
3648         Use (match_dup 0) as input operand.
3649
3650         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3651         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3652         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
3653         scratch register.  Remove operand 1.
3654         (*stbar): Define as unspec instead of unspec_volatile.
3655         Use (match_dup 0) as input operand, remove (const_int 8).
3656         (*membar): Define as unspec instead of unspec_volatile.
3657         Use (match_dup 0) as input operand, remove input operand 2.
3658
3659         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3660         (memory_barrier): Expand as unspec instead of unspec_volatile.
3661         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3662         (*memory_barrier): Define as unspec instead of unspec_volatile.
3663         Use (match_dup 0) as input operand.
3664
3665         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3666         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3667         Set volatile flag on operand 0.
3668         (*memory_barrier): New insn pattern.
3669
3670         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3671         insn operands.
3672         (*memory_barrier): Use (match_dup 0) as input operand.
3673
3674         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3675         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3676         Set volatile flag on operand 0.
3677         (*mb_internal): New insn pattern.
3678
3679         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3680
3681 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
3682
3683         PR middle-end/38586
3684         * function.c (struct temp_slot): Move to the section of the file
3685         that deals with temp slots.  Remove field 'address'.
3686         (temp_slot_address_table): New hash table of address -> temp slot.
3687         (struct temp_slot_address_entry): New struct, items for the table.
3688         (temp_slot_address_compute_hash, temp_slot_address_hash,
3689         temp_slot_address_eq, insert_temp_slot_address): Support functions
3690         for the new table.
3691         (find_temp_slot_from_address): Rewrite to use the new hash table.
3692         (remove_unused_temp_slot_addresses): Remove addresses of temp
3693         slots that have been made available.
3694         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3695         worker function for remove_unused_temp_slot_addresses.
3696         (assign_stack_temp_for_type): Don't clear the temp slot address list.
3697         Add the temp slot address to the address -> temp slot map.
3698         (update_temp_slot_address): Update via insert_temp_slot_address.
3699         (free_temp_slots): Call remove_unused_temp_slot_addresses.
3700         (pop_temp_slots): Likewise.
3701         (init_temp_slots): Allocate the address -> temp slot map, or empty
3702         the map if it is already allocated.
3703         (prepare_function_start): Initialize temp slot processing.
3704
3705 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
3706
3707         PR middle-end/38584
3708         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3709         Calculate the size of all stack vars assuming no packing of stack
3710         vars will happen, replacing a quadratic algorithm with a linear one.
3711
3712 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
3713
3714         PR target/38707
3715         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3716         can't be used.
3717
3718 2009-01-03  Diego Novillo  <dnovillo@google.com>
3719
3720         * doc/contrib.texi: Update contributions.
3721
3722 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
3723
3724         PR c++/38705
3725         * builtins.c (fold_builtin_memory_op): Give up if either operand
3726         is volatile.  Set srctype or desttype to non-qualified version
3727         of the other type.
3728
3729         PR c/38700
3730         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3731         and FUNCTION_DECLs.
3732
3733 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
3734
3735         PR rtl-optimization/35805
3736         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3737         problem if fast dce is able to remove any instructions.
3738         * dce.c (dce_process_block): Fix dump message.
3739
3740 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
3741
3742         PR 33649
3743         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3744
3745 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
3746
3747         PR middle-end/38690
3748         * tree-flow.h (op_code_prio, op_prio): New prototypes.
3749         * tree-pretty-print.c (op_code_prio): New function.
3750         (op_prio): No longer static.  Use op_code_prio.
3751         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3752         Use op_prio and op_code_prio to determine if () should be
3753         printed around operand(s) or not.
3754
3755         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3756         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3757         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3758         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3759         pp_character instead of pp_string for single letter printing.
3760
3761 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3762
3763         * doc/extend.texi: Fix '#pragma GCC option' typo.
3764
3765 2009-01-02  Richard Guenther  <rguenther@suse.de>
3766
3767         * doc/install.texi (--enable-checking): Mention different
3768         default for stage1.
3769         (--enable-stage1-checking): Document.
3770
3771 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
3772
3773         PR middle-end/30142
3774         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
3775         case to be an error.
3776
3777 2009-01-02  Ben Elliston  <bje@au.ibm.com>
3778
3779         * config/fp-bit.h (pack_d): Constify argument.
3780         * config/fp-bit.c (makenan): Constify return type. Remove casts.
3781         (isnan): Constify argument.
3782         (isinf): Likewise.
3783         (iszero): Likewise.
3784         (pack_d): Likewise.
3785         (_fpadd_parts): Constify return type.
3786         (_fpmul_parts): Likewise.
3787         (_fpdiv_parts): Likewise.
3788
3789 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
3790
3791         PR c/36489
3792         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
3793         warn about overwriting initializer with side-effects or
3794         -Woverride-init if !IMPLICIT.
3795         (output_init_element): Likewise.  Pass IMPLICIT down to
3796         add_pending_init.
3797         (process_init_element): Add IMPLICIT argument.  Pass it down
3798         to output_init_element.
3799         (push_init_element, pop_init_level, set_designator): Adjust
3800         process_init_element callers.
3801         (set_nonincremental_init, set_nonincremental_init_from_string):
3802         Adjust add_pending_init callers.
3803         (output_pending_init_elements): Adjust output_init_element callers.
3804         * c-tree.h (process_init_element): Adjust prototype.
3805         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3806         process_init_element callers.