gcc/ChangeLog

   1 2009-06-10  Anthony Green  <green@moxielogic.com>
   2
   3         * config/moxie/crti.asm: New file.
   4         * config/moxie/crtn.asm: New file.
   5         * config/moxie/moxie.c: New file.
   6         * config/moxie/moxie.h: New file.
   7         * config/moxie/sfp-machine.h: New file.
   8         * config/moxie/moxie-protos.h: New file.
   9         * config/moxie/t-moxie: Created.
  10         * config/moxie/t-moxie-softfp: Created.
  11         * config/moxie/moxie.md: Created.
  12         * config/moxie/constraints.md: Created.
  13         * config.gcc: Add moxie support.
  14         * doc/md.texi (Machine Constraints): Add moxie constraints.
  15         * doc/contrib.texi (Contributors): Mention moxie port.
  16         * doc/install.texi (Specific): Mention the moxie port.
  17
  18 2009-06-09  Ian Lance Taylor  <iant@google.com>
  19
  20         * system.h (HAVE_DESIGNATED_INITIALIZERS): Don't define if
  21         compiling with C++.
  22         * optabs.c (optab_table): Only use designated initializers if
  23         HAVE_DESIGNATED_INITIALIZERS is defined.
  24         (convert_optab_table): Likewise.
  25         (init_optabs): Always call init_insn_codes if
  26         HAVE_DESIGNATED_INITIALIZERS is not defined.
  27
  28 2009-06-09  Ian Lance Taylor  <iant@google.com>
  29
  30         * targhooks.c (default_builtin_vectorized_function): Change fn
  31         parameter to unsigned int.
  32         (default_builtin_vectorized_conversion): Change code parameter to
  33         unsigned int.
  34         (default_builtin_reciprocal): Change fn parameter to unsigned int.
  35         * targhooks.h: Update declarations.
  36         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Change code
  37         parameter to unsigned int.
  38
  39         * c-typeck.c (comptypes_check_enum_int): New static function.
  40         (comptypes_internal): Add enum_and_int_p parameter.  Change all
  41         callers.
  42         (comp_target_types): Add location parameter.  Change all callers.
  43         (tagged_types_tu_compatible_p): Add enum_and_int_p parameter.
  44         Change all callers.
  45         (function_types_compatible_p, type_lists_compatible_p): Likewise.
  46         (build_conditional_expr): Add colon_loc parameter.  Change all
  47         callers.
  48         (convert_for_assignment): Add location parameter.  Change all
  49         callers.
  50         * c-parser.c (c_parser_conditional_expression): Pass location of
  51         colon to build_conditional_expr.
  52         * c-tree.h (build_conditional_expr): Update declaration.
  53
  54 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
  55
  56         * graphite.c: Revert previous patch.
  57
  58 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
  59
  60         PR bootstrap/40103
  61         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
  62
  63 2009-06-09  Ghassan Shobaki  <ghassan.shobaki@amd.com>
  64
  65         * tree-ssa-loop-prefetch.c
  66         (loop_prefetch_arrays): Fixed a portability problem in printf format
  67         string.
  68
  69 2009-06-09  Martin Jambor  <mjambor@suse.cz>
  70
  71         PR tree-optimization/40351
  72         * tree-sra.c (propagate_subacesses_accross_link): Check that a refrence
  73         to a potential artifical subaccess can be constructed.
  74
  75 2009-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
  76
  77         * config/sh/sh-protos.h (sh_optimization_options): Declare.
  78         (sh_override_options): Likewise.
  79         * config/sh/sh.c: Include params.h.
  80         (sh_optimization_options): New.
  81         (sh_override_options): Likewise.
  82         * config/sh/sh.c (OPTIMIZATION_OPTIONS): Use sh_optimization_options.
  83         (OVERRIDE_OPTIONS): Use sh_override_options.
  84
  85 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
  86
  87         * dwarf2out.c (emit_cfa_remember): New variable.
  88         (add_fde_cfi): If emit_cfa_remember, recurse to add
  89         DW_CFA_remember_state first.
  90         (dwarf2out_begin_epilogue): Don't add_fde_cfi DW_CFA_remember_state,
  91         instead just set emit_cfa_remember.
  92
  93 2009-06-08  Jan Hubicka  <jh@suse.cz>
  94
  95         PR debug/40126
  96         * dwarf2out.c (dwarf2out_abstract_function): Free decl_loc_table.
  97
  98 2009-06-08  Jan Hubicka  <jh@suse.cz>
  99
 100         PR middle-end/39834
 101         * cgraphunit.c (save_inline_function_body): Do not copy transform hooks
 102         for saved inline bodies.
 103         * ipa-passes.c (do_per_function): Do not add the hoks multiple times
 104         for given function.
 105
 106 2009-06-08  Adam Nemet  <anemet@caviumnetworks.com>
 107
 108         * jump.c (returnjump_p): Handle delayed branches.  Add missing
 109         function comment.
 110
 111 2009-06-08  Jan Hubicka  <jh@suse.cz>
 112
 113         PR middle-end/40102
 114         * cgraph.c (cgraph_create_edge_including_clones): Also asume that the
 115         original node might've been modified.
 116         * tree-inline.c (copy_bb): Do not assume that all clones are the same.
 117
 118 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
 119
 120         * tree-object-size.c (addr_object_size): Add OSI argument.
 121         Handle also INDIRECT_REF with SSA_NAME inside of it as base address.
 122         (compute_builtin_object_size, expr_object_size): Adjust callers.
 123         (plus_stmt_object_size): Call addr_object_size instead of
 124         compute_builtin_object_size.
 125
 126 2009-06-08  Ghassan Shobaki  <ghassan.shobaki@amd.com>
 127             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
 128
 129         * tree-ssa-loop-prefetch.c
 130         (gather_memory_references): Introduced a counter for the number of
 131         memory references.
 132         (anything_to_prefetch_p): Introduced a counter for the number of
 133         prefetches.
 134         (is_loop_prefetching_profitable): New function with a cost model
 135         for prefetching.
 136         (loop_prefetch_arrays): Use the new cost model to determine if
 137         prefetching is profitable.
 138         * params.def (MIN_INSN_TO_PREFETCH_RATIO,
 139         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
 140         * params.h (MIN_INSN_TO_PREFETCH_RATIO,
 141         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
 142         * doc/invoke.texi (MIN_INSN_TO_PREFETCH_RATIO,
 143         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
 144
 145 2009-06-08  Michael Matz  <matz@suse.de>
 146
 147         PR debug/40012
 148         * cfgexpand.c (set_rtl): Store place also in DECL_RTL, if all
 149         partitions use the same.
 150         (expand_one_var): Deal with DECL_RTL sometimes begin set also
 151         for basevars of SSA_NAMEs.
 152         (expand_used_vars): Reset TREE_USED for basevars of SSA_NAMEs,
 153         to not expand them twice.
 154         (gimple_expand_cfg): Clear DECL_RTL for those decls that have
 155         multiple places.
 156
 157 2009-06-08  Alexandre Oliva  <aoliva@redhat.com>
 158
 159         * common.opt (fcompare-debug=, fcompare-debug-second): New.
 160         (fdump-final-insns=, gtoggle): New.
 161         * doc/invoke.texi: Document them.
 162         * final.c (rest_of_clean_state): Dump final insn stream.
 163         * gcc.c (invoke_as): Hook in -fcompare-debug.
 164         (static_spec_functions): Add compare-debug-dump-opt,
 165         compare-debug-self-opt and compare-debug-auxbase-opt.
 166         (compare_debug, compare_debug_second, compare_debug_opt): New.
 167         (switches_debug_check, n_switches_debug_check): New.
 168         (debug_auxbase_opt, debug_check_temp_file): New.
 169         (process_command): Handle -fno-compare-debug, -fcompare-debug and
 170         -fcompare-debug=*.
 171         (do_self_spec): Handle arguments after switches.
 172         (do_spec_1): Add .gk extension to temp file basenames for compare.
 173         (check_live_switch): Take SWITCH_IGNORE into account, and earlier.
 174         (cc1_options): Use it instead of normal auxbase computation for
 175         the second compare-debug compilation.
 176         (compare_files): New.
 177         (main): Set up and implement compare debug mode.
 178         (compare_debug_dump_opt_spec_function): New.
 179         (compare_debug_self_opt_spec_function): New.
 180         (compare_debug_auxbase_opt_spec_function): New.
 181         * toplev.c (process_options): Handle flag_gtoggle,
 182         flag_dump_final_insns.
 183         * coverage.c (coverage_begin_output): Don't overwrite .gcno file
 184         during -fcompare-debug-second compilation.
 185
 186 2009-06-07  Ian Lance Taylor  <iant@google.com>
 187
 188         * dwarf2.h (enum dwarf_location_atom): Add
 189         INTERNAL_DW_OP_tls_addr.
 190         * dwarf2out.c (INTERNAL_DW_OP_tls_addr): Don't #define.
 191
 192         * c-common.c (c_do_switch_warnings): Don't exit early for -Wswitch
 193         with no default node.  Change warning with %H to warning_at.
 194         Don't clear warn_switch around case checking.
 195         * doc/invoke.texi (Warning Options): Clarify distinction between
 196         -Wswitch and -Wswitch-enum.
 197
 198 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 199
 200         * tree-pass.h (TODO_update_ssa_any): Document internal use only.
 201
 202 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 203
 204         * gbl-ctors.h: Add header guard.
 205
 206 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 207
 208         * tree-flow.h (make_value_handle, set_value_handle, sort_vuses,
 209         sort_vuses_heap, vn_lookup_or_add, vn_lookup_or_add_with_stmt,
 210         vn_lookup_or_add_with_vuses, vn_add, vn_add_with_vuses,
 211         vn_lookup_with_stmt, vn_lookup, vn_lookup_with_vuses): Remove
 212         prototypes for removed functions.
 213         (expressions_equal_p): Move to ...
 214         * tree-ssa-sccvn.h: ... here and ...
 215         * matrix-reorg.c: ... adjust includes.
 216
 217 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 218
 219         * ipa-struct-reorg.c (do_reorg_1): Fix whitespace in dump output.
 220
 221 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 222
 223         * c-decl.c (finish_decl): Use bool for variable was_incomplete.
 224         (finish_function): Remove erroneous whitespace.
 225
 226 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 227
 228         * tree-cfg.c (gimple_merge_blocks): Commentary typo fix.
 229         (verify_stmts): Print statement who's gimple_bb is set to a wrong BB
 230
 231 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 232
 233         * errors.c (internal_error): Commentary typo fix.
 234         * gimple-iterator.c (gsi_insert_seq_on_edge): Ditto.
 235         * tree-ssa-pre.c: Ditto.
 236
 237 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 238
 239         * basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of
 240         them is supposed to hold actual statements.
 241
 242 2009-06-06  Ian Lance Taylor  <iant@google.com>
 243
 244         * doc/extend.texi (Attribute Syntax): Document that C++ labels on
 245         empty statements can now have attributes.
 246
 247 2009-06-05  Shujing Zhao  <pearly.zhao@oracle.com>
 248
 249         * config/mips/mips.c: Use REG_P and CONST_INT_P where applicable.
 250         * config/mips/mips.md: Ditto.
 251
 252 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
 253
 254         * config/rs6000/eabi.asm (__eabi_convert): Don't define if
 255         _RELOCATABLE.
 256         (__eabi_uconvert): Likewise.
 257
 258 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
 259
 260         * config/rs6000/ppc-asm.h: Protect auto-host.h inclusion and
 261         CFI_* definitions with IN_GCC.
 262
 263 2009-06-05  David Edelsohn  <edelsohn@gnu.org>
 264
 265         * xcoffout.h (xcoffout_source_line): Update prototype.
 266
 267 2009-06-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 268
 269         * builtins.c (do_mpc_ckconv, do_mpc_arg1): Use
 270         mpc_realref/mpc_imagref instead of MPC_RE/MPC_IM.
 271
 272 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
 273
 274         PR middle-end/40340
 275         * tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
 276         inlined_function_outer_scope_p blocks for artificial inlines
 277         even at -g0/-g1.
 278         * tree.c (tree_nonartificial_location): Rewrite using
 279         block_nonartificial_location.
 280
 281 2009-06-05  Revital Eres  <eres@il.ibm.com>
 282             Leehod Baruch  <leehod@il.ibm.com>
 283
 284         * expr.c (expand_assignment): Expand MISALIGNED_INDIRECT_REF.
 285         (expand_expr_real_1): Remove comment.
 286         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
 287         Vectorize misaligned access when the target supports it.
 288         (vect_supportable_dr_alignment): Check for unaligned access
 289         support.
 290         * tree-vect-stmts.c (vectorizable_store): Generate misaligned store
 291         and remove asset.
 292
 293 2009-06-05  Julian Brown  <julian@codesourcery.com>
 294
 295         * config/arm/ieee754-df.S (cmpdf2): Avoid writing below SP.
 296         * config/arm/ieee754-sf.S (cmpsf2): Likewise.
 297
 298 2009-06-05  Richard Guenther  <rguenther@suse.de>
 299
 300         PR bootstrap/40350
 301         * dwarf2out.c (dwarf2out_begin_function): Mark discriminator
 302         as possibly unused.
 303
 304 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
 305
 306         * config/s390/s390.c (global_not_special_regno_p): New static inline.
 307         (save_gprs): Don't tell unwinder when a global register is saved.
 308         (s390_emit_epilogue): Emit needed epilogue unwind info.
 309
 310 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
 311
 312         * dwarf2out.c (deferred_asm_name): New.
 313         (add_name_and_src_coords_attributes): Defer creation of
 314         DW_AT_MIPS_linkage_name attribute if DECL_ASSEMBLER_NAME was not
 315         computed yet.
 316         (move_linkage_attr): New.
 317         (dwarf2out_finish): Revisit deferrals and emit attributes at the
 318         right place.
 319
 320 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
 321
 322         * tree-nested.c (finalize_nesting_tree_1): Declare the
 323         frame_decl in the binding tree.
 324
 325 2009-06-04  Cary Coutant  <ccoutant@google.com>
 326
 327         * basic-block.h (struct basic_block_def): Add discriminator field.
 328         * dbxout.c (dbxout_source_line): Add new parameter.  Change all
 329         callers.
 330         * debug.c (do_nothing_debug_hooks): Add additional entry.
 331         (debug_nothing_int_charstar_int): New function.
 332         * debug.h (struct gcc_debug_hooks): Add parameter to source_line
 333         hook.
 334         (debug_nothing_int_charstar_int): New declaration.
 335         * dwarf2out.c (dwarf2out_source_line): Add new parameter.  Write
 336         discriminator value in .loc directive.
 337         * final.c (last_discriminator): New variable.
 338         (discriminator): New variable.
 339         (final_start_function): Initialize above variables, pass current
 340         discriminator to debug hook.
 341         (notice_source_line): Check for discriminator change.
 342         * gimple-pretty-print.c (dump_bb_header): Print discriminator value.
 343         * sdbout.c (sdbout_source_line): New parameter.
 344         * tree-cfg.c (struct locus_discrim_map): New structure type.
 345         (discriminator_per_locus): New hash table.
 346         (build_gimple_cfg): Allocate and free discriminator hash table.
 347         (make_edges): Call assign_discriminator.
 348         (locus_map_hash): New function.
 349         (locus_map_eq): New function.
 350         (next_discriminator_for_locus): New function.
 351         (same_line_p): New function.
 352         (assign_discriminator): New function.
 353         (make_cond_expr_edges): Call assign_discriminator.
 354         (make_gimple_switch_edges): Likewise.
 355         (first_non_label_stmt): New function.
 356         * vmsdbgout.c (vmsdbgout_source_line): Add new parameter.  Change
 357         all callers.
 358         * xcoffout.c (xcoffout_source_line): Add new parameter.
 359
 360         * configure.ac (gcc_cv_as_discriminator): New configury check for
 361         gas support for discriminator.
 362         * configure: Regenerate.
 363         * config.in: Regenerate.
 364
 365 2009-06-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 366
 367         * config/arm/arm.c (thumb2_legitimate_index_p): Initialize
 368         val after checking for integers.
 369
 370 2009-06-04  Uros Bizjak  <ubizjak@gmail.com>
 371
 372         * config/i386/i386.h (X86_64_MS_REGPARM_MAX): Rename from
 373         X64_REGPARM_MAX.
 374         (REGPARM_MAX): Use X86_64_MS_REGPARM_MAX.
 375         (X86_64_MS_SSE_REGPARM_MAX): Rename from X64_SSE_REGPARM_MAX.
 376         (SSE_REGPARM_MAX): Use X86_64_MS_SSE_REGPARM_MAX.
 377         * config/i386/i386.c: Use X86_64_MS_REGPARM_MAX instead of
 378         X64_REGPARM_MAX.  Use X86_64_MS_SSE_REGPARM_MAX instead of
 379         X64_SSE_REGPARM_MAX.
 380         * config/i386/i386.md: Use X86_64_MS_SSE_REGPARM_MAX instead of
 381         X64_SSE_REGPARM_MAX.
 382
 383 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
 384
 385         * gcc.c (report_times_to_file): New.
 386         (execute): Implement it.
 387         (process_command): Support -time=.
 388         * doc/invoke.texi: Document it.
 389
 390 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
 391
 392         * tree-ssa-live.c (remove_unused_scope_block_p): Keep variables
 393         that have value exprs.
 394
 395 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
 396
 397         * dwarf2asm.c (dw2_force_const_mem): Defer creation of
 398         declarations for constants until...
 399         (dw2_output_indirect_constant_1): ... this point.
 400
 401 2009-06-04  Richard Earnshaw  <rearnsha@arm.com>
 402
 403         PR target/10242
 404         * arm.md (arm_addsi3): Don't try to split an add with an
 405         eliminable register until after reload has completed.
 406
 407 2009-06-03  Ian Lance Taylor  <iant@google.com>
 408
 409         * dummy-checksum.c (executable_checksum): Use EXPORTED_CONST.
 410         * genattrtab.c (write_length_unit_log): Likewise.
 411         * genchecksum.c (dosum): Likewise.
 412         * gengtype.c (write_rtx_next): Likewise.
 413         (finish_root_table, write_roots): Likewise.
 414         * gimple.c (gimple_ops_offset_): Likewise.
 415         * tree-nomudflap.c (gt_ggc_r_gt_tree_mudflap_h): Likewise.
 416         * config/arc/arc.c (arc_attribute_table): Likewise.
 417         * config/arm/arm.c (arm_attribute_table): Likewise.
 418         * config/avr/avr.c (avr_attribute_table): Likewise.
 419         * config/crx/crx.c (crx_attribute_table): Likewise.
 420         * config/m32r/m32r.c (m32r_attribute_table): Likewise.
 421         * config/m68hc11/m68hc11.c (m68hc11_attribute_table): Likewise.
 422         * config/mcore/mcore.c (mcore_attribute_table): Likewise.
 423         * config/rs6000/rs6000.c (rs6000_attribute_table): Likewise.
 424         * config/sh/sh.c (sh_attribute_table): Likewise.
 425         * config/sparc/sparc.c (sparc_attribute_table): Likewise.
 426         * config/spu/spu.c (spu_attribute_table): Likewise.
 427         * config/v850/v850.c (v850_attribute_table): Likewise.
 428
 429         * config/alpha/alpha.c (vms_attribute_table): Make static.
 430         * config/bfin/bfin.c (bfin_attribute_table): Likewise.
 431         * config/h8300/h8300.c (h8300_attribute_table): Likewise.
 432         * config/mips/mips.c (mips_attribute_table): Likewise.
 433
 434         * Makefile.in (dummy-checksum.o): Depend upon $(CONFIG_H) and
 435         $(SYSTEM_H).
 436         (cc1-checksum.o): Likewise.
 437
 438 2009-06-03  Steve Ellcey  <sje@cup.hp.com>
 439
 440         * config/ia64/vect.md (*movv2sf_internal): Handle big endian case.
 441
 442 2009-06-03  Jakub Jelinek  <jakub@redhat.com>
 443
 444         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Return generated
 445         insn if it is changing sp.  Use gen_add3_insn instead of
 446         conditionally gen_addsi3 and gen_adddi3.
 447         (offset_below_red_zone_p): New static inline function.
 448         (rs6000_emit_epilogue): Emit needed epilogue unwind info.
 449         Use gen_add3_insn instead of conditionally gen_addsi3 and gen_adddi3.
 450         * config/rs6000/ppc-asm.h: Include auto-host.h.
 451         (CFI_STARTPROC, CFI_ENDPROC, CFI_DEF_CFA_REGISTER, CFI_OFFSET,
 452         CFI_RESTORE): Define.
 453         * config/rs6000/crtresxgpr.asm: Add unwind info.
 454         * config/rs6000/crtresxfpr.asm: Likewise.
 455         * config/rs6000/crtresgpr.asm: Likewise.
 456         * config/rs6000/crtresfpr.asm: Likewise.
 457         * config/rs6000/crtsavgpr.asm: Likewise.
 458         * config/rs6000/crtsavfpr.asm: Likewise.
 459
 460         * dwarf2out.c (output_cfi_directive): Pass 1 instead of
 461         0 to second argument of DWARF2_FRAME_REG_OUT macros.
 462
 463 2009-06-03  Julian Brown  <julian@codesourcery.com>
 464
 465         * config/arm/arm.c (arm_hard_regno_mode_ok): Permit values of four
 466         words or less (including TImode) in core registers.
 467
 468 2009-06-03  Richard Guenther  <rguenther@suse.de>
 469
 470         PR middle-end/40328
 471         * fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.
 472
 473 2009-06-03  Andrey Belevantsev  <abel@ispras.ru>
 474
 475         * statistics.c (statistics_counter_event): Do not record event
 476         in pass dump if its number == -1.
 477         (curr_statistics_hash): Add assert that we never get passes
 478         with static number == -1.
 479
 480 2009-06-03  Richard Guenther  <rguenther@suse.de>
 481             Andrey Belevantsev  <abel@ispras.ru>
 482
 483         * cfgexpand.c (discover_nonconstant_array_refs_r): Make only
 484         non-BLKmode arrays addressable.
 485
 486 2009-06-03  Maxim Kuvyrkov  <maxim@codesourcery.com>
 487
 488         * config/m68k/linux.h (HAVE_GAS_BALIGN_AND_P2ALIGN): Move to ...
 489         * config/m68k/m68k.h: ... here.
 490         * testsuite/gcc.dg/falign-labels.c (dg-options): Don't restrict for
 491         m68k and fido.
 492
 493 2009-06-03  Martin Jambor  <mjambor@suse.cz>
 494
 495         PR tree-optimization/40323
 496         * ipa-prop.c (get_ssa_def_if_simple_copy): Break if not single
 497         assignment.
 498
 499 2009-06-03  Richard Guenther  <rguenther@suse.de>
 500
 501         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
 502         consistently.
 503
 504 2009-06-03  Shujing Zhao  <pearly.zhao@oracle.com>
 505
 506         * config/sh/predicates.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
 507         JUMP_P, CALL_P, NONJUMP_INSN_P, NOTE_P, BARRIER_P and
 508         JUMP_TABLE_DATA_P where applicable.
 509         * config/sh/sh.c: Ditto.
 510         * config/sh/sh.h: Ditto.
 511         * config/sh/sh.md: Ditto.
 512         * config/sh/symbian.c: Ditto.
 513
 514 2009-06-03  Uros Bizjak  <ubizjak@gmail.com>
 515
 516         * config/i386/driver-i386.c (describe_cache): Optimize
 517         concatenation of strings.  Use snprintf instead of sprintf.
 518         (host_detect_local_cpu): Ditto.  Ignore -march and -mtune for native
 519         target when not compiling with GCC.
 520
 521 2009-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
 522
 523         * config/sh/sh.c: Revert last change.
 524         (sh_expand_epilogue): Emit a blockage insn before the frame
 525         pointer adjustment unconditionally.
 526
 527 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
 528
 529         * config/pa/pa-hpux.h (LINK_SPEC): Remove "%<fwhole-program".
 530         * config/pa/pa-hpux10.h (LINK_SPEC): Likewise.
 531         * config/pa/pa-hpux11.h (LINK_SPEC): Likewise.
 532         * gcc.c (set_collect_gcc_options): Don't add -fwhole-program
 533         to COLLECT_GCC_OPTIONS.
 534
 535 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
 536
 537         * collect2.c (target_system_root): New variable.
 538         (main): Handle --sysroot=.
 539         (ignore_library): Strip the sysroot from the library path.
 540
 541 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
 542
 543         * Makefile.in (COLLECT2_OBJS): Add collect2-aix.o.
 544         (collect2.o): Depend on collect2-aix.h.
 545         (collect2-aix.o): New rule.
 546         * collect2-aix.h: New file.
 547         * collect2-aix.c: Likewise.
 548         * collect2.c: Include collect2-aix.h.  Don't undefine
 549         OBJECT_FORMAT_COFF if CROSS_AIX_SUPPORT is defined.
 550         Guard native includes with #ifndef CROSS_DIRECTORY_STRUCTURE.
 551         Use TARGET_AIX_VERSION instead of _AIX51.
 552         * config/rs6000/aix43.h (TARGET_AIX_VERSION): Define.
 553         * config/rs6000/aix51.h (TARGET_AIX_VERSION): Likewise.
 554         * config/rs6000/aix52.h (TARGET_AIX_VERSION): Likewise.
 555         * config/rs6000/aix53.h (TARGET_AIX_VERSION): Likewise.
 556         * config/rs6000/aix61.h (TARGET_AIX_VERSION): Likewise.
 557
 558 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
 559
 560         * collect2.c (ignore_library): Avoid premature post-increment
 561         and null deference.
 562
 563 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
 564
 565         * Makefile.in (libgcc.mvars): Add TARGET_SYSTEM_ROOT.
 566         * config/rs6000/aix.h (LINK_SYSCALLS_SPEC): Add %R to the
 567         !CROSS_DIRECTORY_STRUCTURE alternative and use it for
 568         CROSS_DIRECTORY_STRUCTURE too.
 569         (LINK_LIBG_SPEC): Likewise.
 570         (LIB_SPEC): Add %R to sysroot paths.
 571         * config/rs6000/aix43.h (CPP_SPEC): Add %R to sysroot paths.
 572         (CPLUSPLUS_CPP_SPEC, LIB_SPEC): Likewise.
 573         * config/rs6000/aix51.h: As for aix43.h.
 574         * config/rs6000/aix52.h: Likewise.
 575         * config/rs6000/aix53.h: Likewise.
 576         * config/rs6000/aix61.h: Likewise.
 577         * config/rs6000/t-aix52 (SHLIB_LINK): Add $(TARGET_SYSTEM_ROOT)
 578         to the beginning of sysroot paths.
 579
 580 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
 581
 582         * print_rtl (print_rtx): Don't print modes in EXPR_LISTs and
 583         INSN_LISTs that are out of the REG_NOTE range.
 584
 585 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
 586
 587         * loop-unroll.c (struct iv_to_split): Add pointer to next.
 588         (struct var_to_expand): Likewise.
 589         (struct opt_info): Add head and tail for linked lists of the above.
 590         (analyze_insn_to_expand_var): Initialize next.
 591         (analyze_iv_to_split_insn): Likewise.
 592         (analyze_insns_in_loop): Create linked lists.
 593         (allocate_basic_variable): Simplify for use without hash table.
 594         (insert_var_expansion_initialization): Likewise, make it type-safer.
 595         (combine_var_copies_in_loop_exit): Likewise.
 596         (apply_opt_in_copies): Walk lists rather than hash tables.
 597         (release_var_copies): Simplified and inlined by hand into...
 598         (free_opt_info): ... this function.
 599
 600 2009-06-02  Richard Guenther  <rguenther@suse.de>
 601
 602         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
 603         for field decls.
 604
 605 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
 606
 607         * cfgexpand.c (gimple_expand_cfg): Discard the source location
 608         only for builtins that are not overridden.
 609
 610 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
 611
 612         * gengtype.c (adjust_field_rtx_def): Add NOTE_INSN_DELETED_LABEL's
 613         label string.
 614
 615 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
 616
 617         * df-core.c (df_ref_debug): Honor -fdump-noaddr.
 618
 619 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
 620
 621         * combine.c (move_deaths): Compare LUIDs within the same BB only.
 622
 623 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
 624
 625         * common.opt (fdump-unnumbered-links): New.
 626         * doc/invoke.texi (-fdump-unnumbered-links): Document it.
 627         * print-rtl.c (flag_dump_unnumbered_links): New.
 628         (print_rtx): Test it.
 629
 630 2009-06-02  Richard Earnshaw  <rearnsha@arm.com>
 631
 632         * arm.c (arm_get_frame_offsets): Prefer using r3 for padding a
 633         push/pop multiple to 8-byte alignment.
 634
 635 2009-06-01  Jakub Jelinek  <jakub@redhat.com>
 636
 637         * config/i386/i386.c (queued_cfa_restores): New static variable.
 638         (ix86_add_cfa_restore_note, ix86_add_queued_cfa_restore_notes): New
 639         functions.
 640         (pro_epilogue_adjust_stack): Call ix86_add_queued_cfa_restore_notes.
 641         (ix86_emit_restore_reg_using_pop): Add RED_OFFSET argument.
 642         Set RTX_FRAME_RELATED_P immediately after adding a REG_CFA_* note.
 643         Call ix86_add_cfa_restore_note instead of adding REG_CFA_OFFSET
 644         note unconditionally.
 645         (ix86_emit_restore_regs_using_mov): Likewise.
 646         (ix86_emit_restore_sse_regs_using_mov): Likewise.
 647         (ix86_emit_restore_regs_using_pop): Add RED_OFFSET argument, pass
 648         it through to ix86_emit_restore_reg_using_pop.
 649         (ix86_emit_leave): Add RED_OFFSET argument.  Call
 650         ix86_add_queued_cfa_restore_notes.  Call ix86_add_cfa_restore_note
 651         instead of adding REG_CFA_OFFSET note unconditionally.
 652         (ix86_expand_epilogue): Compute RED_OFFSET, pass it down to
 653         the above functions.  Call ix86_add_queued_cfa_restore_notes when
 654         needed.
 655
 656         * dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
 657         force output of the label even for dwarf2out_do_cfi_asm.
 658         (add_fde_cfi): If -g2 and above and cfi might change CFA,
 659         force creation of CFI label and chain DW_CFA_set_loc jumping to it
 660         for convert_cfa_to_fb_loc_list.  Adjust other dwarf2out_cfi_label
 661         caller.
 662         (dwarf2out_stack_adjust, dwarf2out_frame_debug,
 663         dwarf2out_begin_epilogue, dwarf2out_frame_debug_restore_state): Adjust
 664         dwarf2out_cfi_label callers.
 665         * tree.h (dwarf2out_cfi_label): Adjust prototype.
 666         * config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
 667         Adjust dwarf2out_cfi_label callers.
 668         * config/vax/vax.c (vax_output_function_prologue): Likewise.
 669
 670         * config/i386/i386.h (struct machine_cfa_state,
 671         struct machine_function): Guard with ifndef USED_FOR_TARGET
 672         instead of not IN_LIBGCC2 and not in IN_TARGET_LIBS.
 673
 674         PR other/40024
 675         * emutls.c (__emutls_get_address): Change arr->size to mean number
 676         of allocated arr->data entries instead of # of slots + 1.
 677
 678         PR middle-end/40316
 679         * recog.c (peep2_reinit_state): New function.
 680         (peephole2_init_state): Use it at the end of a basic block and also
 681         when seeing a RTX_FRAME_RELATED_P insn.
 682
 683 2009-06-01  Steve Ellcey  <sje@cup.hp.com>
 684
 685         * ia64.md (floatdirf2, fix_truncrfdi, floatunsdirf,
 686         fixuns_truncrfdi2): New.
 687         (fix_truncxfdi2_alts, fixuns_truncxfdi2_alts,
 688         *nmaddsf4_alts, *nmadddf4_alts, *nmadddf4_truncsf_alts,
 689         *mulxf3_alts, *mulxf3_truncsf_alts, *mulxf3_truncdf_alts,
 690         *maddxf4_alts, *maddxf4_alts_truncsf, *maddxf4_alts_truncdf,
 691         *nmaddxf4_alts, *nmaddxf4_truncsf_alts, *nmaddxf4_truncdf_alts,
 692         *recip_approx): Remove.
 693         (divsi3 modsi3, udivsi3, umodsi3, divsi3_internal, divdi3,
 694         moddi3, udivdi3, umoddi3, divdi3_internal_lat, divdi3_internal_thr,
 695         divsf3, sqrtsf2, divdf3, sqrtdf2, divxf3, sqrtxf2): Modify and
 696         move to div.md.
 697         * div.md (fix_truncrfdi2_alts, fixuns_truncrfdi2_alt,
 698         setf_exp_rf): New.
 699
 700 2009-06-01  Ian Lance Taylor  <iant@google.com>
 701
 702         * attribs.c (register_attribute): Use CONST_CAST.
 703         * collect2.c (main): Use CONST_CAST2.
 704         (scan_prog_file): Likewise.
 705         * gcc.c (process_command, main): Likewise.
 706         * toplev.c (toplev_main): Likewise.
 707
 708         * c-typeck.c (handle_warn_cast_qual): New static function,
 709         partially broken out of build_c_cast.
 710         (build_c_cast): Call handle_warn_cast_qual.
 711         * doc/invoke.texi (Warning Options): Document new effect of
 712         -Wcast-qual.
 713
 714 2009-06-01  Aldy Hernandez  <aldyh@redhat.com>
 715
 716         * diagnostic.c (diagnostic_build_prefix): Always print columns.
 717         (diagnostic_report_current_module): Print columns.
 718         * common.opt (flag_show_column): Enable by default.
 719
 720 2009-06-01  Luis Machado  <luisgpm@br.ibm.com>
 721
 722         * alias.c (find_base_term): Check for NULL term before returning.
 723
 724 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
 725
 726         Revert due to PR40320:
 727         2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
 728         * calls.c (emit_library_call_value_1): Don't force_operand for move
 729         and push insns.
 730
 731 2009-06-01  Olivier Hainque  <hainque@adacore.com>
 732             Eric Botcazou  <ebotcazou@adacore.com>
 733
 734         * tree.h (CONSTRUCTOR_BITFIELD_P): True if NODE, a FIELD_DECL, is
 735         to be processed as a bitfield for constructor output purposes.
 736         * output.h (initializer_constant_valid_for_bitfield_p): Declare
 737         new function.
 738         * varasm.c (oc_local_state): New type, output_constructor
 739         local state to support communication with helpers.
 740         (oc_outer_state): New type, output_constructor outer state of
 741         relevance in recursive calls.
 742         (output_constructor_array_range): New output_constructor helper,
 743         extracted code for an array range element.
 744         (output_constructor_regular_field): New output_constructor helper,
 745         extracted code for an element that is not a bitfield.
 746         (output_constructor_bitfield): New output_constructor helper,
 747         extracted code for a bitfield element.  Accept an OUTER state
 748         argument for recursive processing.  Recurse on record or array
 749         CONSTRUCTOR values, possibly past noop conversions.
 750         (initializer_constant_valid_for_bitfield_p): New predicate.  Whether
 751         VALUE is a valid constant-valued expression for use in a static
 752         bit-field initializer.
 753         (output_constructor): Rework to use helpers.  Accept and honor an
 754         OUTER state argument for recursive calls.  Return total size.  Be
 755         prepared for nested constructors initializing bitfields.
 756         (output_constant): Feed OUTER in calls to output_constructor.
 757
 758 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
 759
 760         * calls.c (emit_library_call_value_1): Don't force_operand for move
 761         and push insns.
 762
 763 2009-06-01  Nick Clifton  <nickc@redhat.com>
 764
 765         * doc/invoke.texi (IA-64 Options): Fix typo.
 766
 767 2009-06-01  Ira Rosen  <irar@il.ibm.com>
 768
 769         PR tree-optimization/39129
 770         * tree-vect-loop-manip.c (conservative_cost_threshold): Change the
 771         printed message.
 772         (vect_do_peeling_for_loop_bound): Use
 773         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
 774         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
 775         (vect_loop_versioning): Likewise.
 776         (vect_create_cond_for_alias_checks): Fix indentation.
 777         * tree-vectorizer.h (struct _loop_vec_info): Fix indentation of the
 778         macros.
 779         (LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT): Define.
 780         (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Likewise.
 781         * tree-vect-loop.c (vect_analyze_loop_form): Change "too many BBs" to
 782         "control flow in loop".
 783         (vect_estimate_min_profitable_iters): Use
 784         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
 785         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
 786         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
 787         (vect_create_data_ref_ptr): Don't mention array dimension in printing.
 788         * tree-vect-stmts.c (vectorizable_store): Replace the check that the
 789         statement belongs to a group of strided accesses with the exact code
 790         check.
 791         (vectorizable_load): Likewise.
 792         * tree-vect-slp.c (vect_analyze_slp_instance): Spell out "basic block".
 793         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
 794
 795 2009-06-01  Gerald Pfeifer  <gerald@pfeifer.com>
 796
 797         * config/freebsd-stdint.h: New file.
 798         * config.gcc (*-*-freebsd): Set use_gcc_stdint=wrap.
 799         Add freebsd-stdint.h to tm_file.
 800
 801 2009-06-01  Richard Earnshaw  <rearnsha@arm.com>
 802
 803         * arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split.
 804         (thumb2_extendhidi2): Likewise.
 805
 806 2009-05-31  Ian Lance Taylor  <iant@google.com>
 807
 808         * regstat.c (regstat_n_sets_and_refs): Remove duplicate definition.
 809
 810 2009-05-31  Ian Lance Taylor  <iant@google.com>
 811
 812         * Makefile.in (except.o): Depend upon gt-except.h, not gt-$(EXCEPT_H).
 813         (ipa-cp.o): Depend upon $(FIBHEAP_H) and $(PARAMS_H).
 814         (ipa-reference.o): Depend upon gt-ipa-reference.h.
 815
 816 2009-05-31  Jason Merrill  <jason@redhat.com>
 817
 818         * tree-pretty-print.c (print_call_name): Take the callee, not the
 819         call itself.  Make non-static.  Use dump_function_name for functions.
 820         (dump_generic_node): Adjust.
 821         * diagnostic.h: Declare print_call_name.
 822         * gimple-pretty-print.c (dump_gimple_call): Use it.
 823
 824 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
 825
 826         * config/sh/sh.md (ashldi3_std): New define_expand.
 827         (ashldi3): Use it.
 828
 829 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
 830
 831         PR target/40313
 832         * config/sh/sh.c: Include debug.h.
 833         (sh_expand_epilogue): Emit a blockage insn before the frame
 834         pointer adjustment also when dwarf2out_do_frame returns true.
 835
 836 2009-05-31  Richard Earnshaw  <rearnsha@arm.com>
 837
 838         * arm/thumb2.md (thumb2_extendsidi2): Add a split sub-pattern.
 839         (thumb2_extendqidi2): New pattern.
 840
 841 2009-05-31  Ira Rosen  <irar@il.ibm.com>
 842
 843         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't
 844         mark phis for renaming.
 845         * tree-vectorizer.c (vect_memsyms_to_rename): Remove.
 846         (vectorize_loops): Don't allocate and free vect_memsyms_to_rename.
 847         Call mark_sym_for_renaming.
 848         * tree-vectorizer.h (vect_memsyms_to_rename): Remove.
 849         * tree-vect-loop.c (vect_transform_loop): Remove
 850         vect_memsyms_to_rename initialization and a call to
 851         mark_set_for_renaming.
 852
 853 2009-05-31  Jakub Jelinek  <jakub@redhat.com>
 854
 855         PR middle-end/40304
 856         * config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns
 857         frame related even if !set_cfa && style < 0.
 858
 859 2009-05-30  Kai Tietz  <kai.tietz@onevision.com>
 860
 861         * config/i386/mingw-tls.c: New file.
 862         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Add mingw-tls.c file.
 863         * gthr-win32.h (MINGW32_SUPPORTS_MT_EH): Define it for targets
 864         defining _WIN32 but not __CYGWIN__.
 865
 866 2009-05-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 867
 868         * configure.ac: Add MPC support.
 869
 870         * config.in, configure: Regenerate.
 871
 872 2009-05-29  Richard Henderson  <rth@redhat.com>
 873
 874         * cfgcleanup.c (try_crossjump_to_edge): Only skip past
 875         NOTE_INSN_BASIC_BLOCK.
 876         * cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
 877         Duplicate NOTE_INSN_EPILOGUE_BEG notes.
 878         * cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
 879         to be deleted.
 880         * dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
 881         add in_use field.
 882         (add_cfi): Disable check redefining cfa away from drap.
 883         (lookup_cfa_1): Add remember argument; handle remember/restore.
 884         (lookup_cfa): Pass remember argument.
 885         (cfa_remember): New.
 886         (compute_barrier_args_size_1): Remove sibcall check.
 887         (dwarf2out_frame_debug_def_cfa): New.
 888         (dwarf2out_frame_debug_adjust_cfa): New.
 889         (dwarf2out_frame_debug_cfa_offset): New.
 890         (dwarf2out_frame_debug_cfa_register): New.
 891         (dwarf2out_frame_debug_cfa_restore): New.
 892         (dwarf2out_frame_debug): Handle REG_CFA_* notes.
 893         (dwarf2out_begin_epilogue): New.
 894         (dwarf2out_frame_debug_restore_state): New.
 895         (dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
 896         DW_CFA_restore_state.
 897         (output_cfi_directive): Likewise.
 898         (convert_cfa_to_fb_loc_list): Likewise.
 899         (dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
 900         * dwarf2out.h: Update.
 901         * emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
 902         (copy_insn_1): Early out for null.
 903         * final.c (final_scan_insn): Call dwarf2out_begin_epilogue
 904         and dwarf2out_frame_debug_restore_state.
 905         * function.c (prologue, epilogue, sibcall_epilogue): Remove.
 906         (prologue_insn_hash, epilogue_insn_hash): New.
 907         (free_after_compilation): Adjust freeing accordingly.
 908         (record_insns): Create hash table if needed; push insns into
 909         hash instead of array.
 910         (maybe_copy_epilogue_insn): New.
 911         (contains): Search hash table instead of array.
 912         (sibcall_epilogue_contains): Remove.
 913         (thread_prologue_and_epilogue_insns): Split eh_return insns
 914         and mark them as epilogues.
 915         (reposition_prologue_and_epilogue_notes): Rewrite epilogue
 916         scanning in terms of basic blocks.
 917         * insn-notes.def (CFA_RESTORE_STATE): New.
 918         * jump.c (returnjump_p_1): Accept EH_RETURN.
 919         (eh_returnjump_p_1, eh_returnjump_p): New.
 920         * reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
 921         CFA_REGISTER, CFA_RESTORE): New.
 922         * rtl.def (EH_RETURN): New.
 923         * rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.
 924
 925         * config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
 926         (eh_return_internal): Use eh_return rtx; split w/ epilogue.
 927
 928         * config/i386/i386.c (gen_push): Update cfa state.
 929         (pro_epilogue_adjust_stack): Add set_cfa argument.  When true,
 930         add a CFA_ADJUST_CFA note.
 931         (ix86_dwarf_handle_frame_unspec): Remove.
 932         (ix86_expand_prologue): Update cfa state.
 933         (ix86_emit_restore_reg_using_pop): New.
 934         (ix86_emit_restore_regs_using_pop): New.
 935         (ix86_emit_leave): New.
 936         (ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
 937         (ix86_expand_epilogue): Add notes for unwinding the epilogue.
 938         * config/i386/i386.h (struct machine_cfa_state): New.
 939         (ix86_cfa_state): New.
 940         * config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
 941         (eh_return_internal): Merge from eh_return_<mode>,
 942         use eh_return rtx, split w/ epilogue.
 943
 944 2009-05-29  Ian Lance Taylor  <iant@google.com>
 945
 946         * builtins.c (validate_gimple_arglist): Don't use va_arg with
 947         enum type.
 948         * calls.c (emit_library_call_value_1): Likewise.
 949
 950         * c-typeck.c (c_build_va_arg): New function.
 951         * c-tree.h (c_build_va_arg): Declare.
 952         * c-parser.c (c_parser_postfix_expression): Call c_build_va_arg
 953         instead of build_va_arg.
 954
 955 2009-05-29  Eric Botcazou  <ebotcazou@adacore.com>
 956
 957         * tree-ssa-loop-ivopts.c (strip_offset_1) <MULT_EXPR>: New case.
 958         (force_expr_to_var_cost) <NEGATE_EXPR>: Likewise.
 959         (ptr_difference_cost): Use affine combinations to compute it.
 960         (difference_cost): Likewise.
 961         (get_computation_cost_at): Compute more accurate cost for addresses
 962         if the ratio is a multiplier allowed in addresses.
 963         For non-addresses, consider that an additional offset or symbol is
 964         added only once.
 965
 966 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
 967
 968         * config/i386/i386.c (ix86_decompose_address): Avoid useless
 969         0 displacement.  Add 0 displacement if base is %[er]bp or %r13.
 970
 971         * config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for
 972         TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default.
 973         (prefix_rex): For UNIT_MMX don't imply the prefix by default
 974         if MODE_DI.
 975         (prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and
 976         to 1 for TYPE_SSE{IADD1,CVT1}.
 977         (prefix_vex_imm8): Removed.
 978         (length_vex): Only pass 1 as second argument to
 979         ix86_attr_length_vex_default if prefix_extra is 0.
 980         (modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT.
 981         (length): For prefix vex computation use length_immediate
 982         attribute instead of prefix_vex_imm8.
 983         (cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64,
 984         addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0,
 985         *andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1,
 986         *xorqi_cc_ext_1_rex64): Override modrm attribute to 1.
 987         (extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2,
 988         *extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit
 989         a space in between the operands.
 990         (*anddi_1_rex64, *andsi_1): Likewise.  Override prefix_rex to 1
 991         if one operand is 0xff and the other one si, di, bp or sp.
 992         (*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the
 993         other one si, di, bp or sp.
 994         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute.
 995         (*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add
 996         type and mode attributes.
 997         (*bsr, *bsr_rex64, *bsrhi): Add type attribute.
 998         (*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear
 999         prefix_rep attribute and set prefix_data16 attribute iff MODE_DF.
1000         (*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set
1001         prefix_data16 attribute iff MODE_DF.
1002         (*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute.
1003         (fix_trunc<mode>di_sse): Set prefix_rex attribute.
1004         (*adddi_4_rex64, *addsi_4): Use const128_operand instead of
1005         constm128_operand in length_immediate computation.
1006         (*addhi_4): Likewise.  Fix mode attribute to MODE_HI.
1007         (anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq.
1008         (*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set
1009         length_immediate attribute to 1.
1010         (x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute.
1011         (*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes
1012         for certain alternatives.
1013         (*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override
1014         prefix_data16 attribute if MODE_V1DF.
1015         (*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set
1016         length_immediate to 1.
1017         (set_got_rex64, set_rip_rex64): Remove length attribute, set
1018         length_address to 4, set mode attribute to MODE_DI.
1019         (set_got_offset_rex64): Likewise.  Set length_immediate to 0.
1020         (fxam<mode>2_i387): Set length attribute to 4.
1021         (*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow,
1022         *prefetch_3dnow_rex): Override length_address attribute.
1023         (sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex
1024         attributes.
1025         * config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate.
1026         (constm128_operand): Removed.
1027         * config/i386/i386.c (memory_address_length): For
1028         disp && !index && !base in 64-bit mode account for SIB byte if
1029         print_operand_address can't optimize disp32 into disp32(%rip)
1030         and UNSPEC doesn't imply (%rip) addressing.  Add 1 to length
1031         for fs: or gs: segment.
1032         (ix86_attr_length_immediate_default): When checking if shortform
1033         is possible, truncate immediate to the length of the non-shortened
1034         immediate.
1035         (ix86_attr_length_address_default): Ignore MEM_P operands
1036         with X constraint.
1037         (ix86_attr_length_vex_default): Only check for DImode on
1038         GENERAL_REG_P operands.
1039         * config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear
1040         prefix_rep attribute, set prefix_data16 attribute iff MODE_DF.
1041         (sse_cvttps2pi): Clear prefix_rep attribute.
1042         (sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16
1043         attribute.
1044         (*sse2_cvttpd2dq): Don't clear prefix_rep attribute.
1045         (*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3,
1046         *avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1
1047         iff operand 2 is const_int_operand.
1048         (*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>,
1049         sse2_shufpd_<mode>): Set length_immediate attribute to 1.
1050         (sse2_pshufd_1): Likewise.  Set prefix attribute to maybe_vex
1051         instead of vex.
1052         (sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear
1053         prefix_data16.
1054         (sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set
1055         prefix_data16 attribute for movlpd and movhpd instructions.
1056         (sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise.  Override
1057         length_immediate for shufpd instruction.
1058         (sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute.
1059         (avx_cmpp<avxmodesuffixf2c><mode>3,
1060         avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3,
1061         <sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3,
1062         avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>,
1063         *vec_dupv4sf_avx, *vec_dupv4sf): Set length_immediate attribute to 1.
1064         (*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4.
1065         (sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1.
1066         (sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override
1067         prefix_data16 attribute for the first alternative to 1.
1068         (*avx_loadlps): Override length_immediate for the first alternative.
1069         (*vec_concatv2sf_avx): Override length_immediate and prefix_extra
1070         attributes for second alternative.
1071         (*vec_concatv2sf_sse4_1): Override length_immediate and
1072         prefix_data16 attributes for second alternative.
1073         (*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>,
1074         vec_extract_hi_<mode>, vec_extract_lo_v16hi,
1075         vec_extract_hi_v16hi, vec_extract_lo_v32qi,
1076         vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1.
1077         (*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set
1078         prefix_data16 and length_immediate to 1.
1079         (*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra
1080         to 1.
1081         (*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set
1082         prefix_extra attribute for variants that don't have 0f prefix alone.
1083         (*avx_pinsr<ssevecsize>): Likewise.  Set length_immediate to 1.
1084         (*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb,
1085         *sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory,
1086         *sse4_1_pextrd): Set length_immediate to 1.
1087         (*sse4_1_pinsrd): Likewise.  Set prefix_extra to 1.
1088         (*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate
1089         to 1.
1090         (*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64,
1091         *vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override
1092         length_immediate to 1 for second alternative.
1093         (*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override
1094         prefix_extra and length_immediate attributes for the first
1095         alternative.
1096         (vec_concatv2si_sse4_1): Override length_immediate to 1 for the
1097         first alternative.
1098         (*vec_concatv2di_rex64_sse4_1): Likewise.  Override prefix_rex
1099         to 1 for the first and third alternative.
1100         (*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second
1101         alternative.
1102         (*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex
1103         attribute.
1104         (*sse_sfence, sse2_mfence, sse2_lfence): Override length_address
1105         attribute to 0.
1106         (*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3,
1107         *avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi,
1108         *avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3,
1109         *avx_psign<mode>3): Set prefix_extra attribute to 1.
1110         (ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3,
1111         ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3,
1112         ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3,
1113         ssse3_psign<mode>3): Override prefix_rex attribute.
1114         (*avx_palignrti): Override prefix_extra and length_immediate to 1.
1115         (ssse3_palignrti): Override length_immediate to 1.
1116         (ssse3_palignrdi): Override length_immediate to 1, override
1117         prefix_rex attribute.
1118         (abs<mode>2): Override prefix_rep to 0, override prefix_rex attribute.
1119         (sse4a_extrqi): Override length_immediate to 2.
1120         (sse4a_insertqi): Likewise.  Override prefix_data16 to 0.
1121         (sse4a_insertq): Override prefix_data16 to 0.
1122         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>,
1123         avx_blendvp<avxmodesuffixf2c><avxmodesuffix>,
1124         avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw,
1125         *avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256,
1126         avx_rounds<avxmodesuffixf2c>256): Override prefix_extra
1127         and length_immediate to 1.
1128         (sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>,
1129         sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm,
1130         sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri,
1131         sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16
1132         and length_immediate to 1.
1133         (sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1.
1134         (sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1.
1135         (*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>,
1136         avx_ptest256): Override prefix_extra to 1.
1137         (sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>):
1138         Override prefix_data16 and length_immediate to 1.
1139         (sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi,
1140         sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si,
1141         sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di,
1142         sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override
1143         prefix_data16 to 0 and prefix_extra to 2.
1144         (sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1.
1145         (sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra
1146         attribute.
1147         (*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3,
1148         sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3):
1149         Override prefix_data16 and prefix_rep to 0, length_immediate to 1
1150         and prefix_extra to 2.
1151         (sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override
1152         prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2.
1153         (*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast,
1154         avx_vpermilvar<mode>3,
1155         avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>,
1156         avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256,
1157         avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>,
1158         avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>):
1159         Override prefix_extra to 1.
1160         (aeskeygenassist, pclmulqdq): Override length_immediate to 1.
1161         (*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3,
1162         vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi,
1163         vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override
1164         prefix_extra and length_immediate to 1.
1165         (*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override
1166         modrm to 0.
1167         (*vec_concat<mode>_avx): Override prefix_extra and length_immediate
1168         to 1 for the first alternative.
1169         * config/i386/mmx.md (*mov<mode>_internal_rex64): Override
1170         prefix_rep, prefix_data16 and/or prefix_rex attributes in certain
1171         cases.
1172         (*mov<mode>_internal_avx, *movv2sf_internal_rex64,
1173         *movv2sf_internal_avx, *movv2sf_internal): Override
1174         prefix_rep attribute for certain alternatives.
1175         (*mov<mode>_internal): Override prefix_rep or prefix_data16
1176         attributes for certain alternatives.
1177         (*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex
1178         attributes for certain alternatives.
1179         (*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3,
1180         *mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2,
1181         mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3,
1182         mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3,
1183         *mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw,
1184         mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3,
1185         mmx_pswapdv2si2): Set prefix_extra attribute to 1.
1186         (mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set
1187         length_immediate to 1 if operand 2 is const_int_operand.
1188         (*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi,
1189         *vec_extractv2si_1): Set length_immediate attribute to 1.
1190         (*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if
1191         using old 3DNOW insn rather than SSE/3DNOW_A.
1192         (mmx_emms, mmx_femms): Clear modrm attribute.
1193
1194 2009-05-29  Martin Jambor  <mjambor@suse.cz>
1195
1196         * tree-sra.c:  New implementation of SRA.
1197
1198         * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): Removed.
1199         (PARAM_SRA_MAX_STRUCTURE_COUNT): Removed.
1200         (PARAM_SRA_FIELD_STRUCTURE_RATIO): Removed.
1201         * params.h (SRA_MAX_STRUCTURE_SIZE): Removed.
1202         (SRA_MAX_STRUCTURE_COUNT): Removed.
1203         (SRA_FIELD_STRUCTURE_RATIO): Removed.
1204         * doc/invoke.texi (sra-max-structure-size): Removed.
1205         (sra-field-structure-ratio): Removed.
1206
1207 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
1208
1209         PR middle-end/40291
1210         * builtins.c (expand_builtin_memcmp): Convert len to sizetype
1211         before expansion.
1212
1213 2009-05-29  Andrey Belevantsev  <abel@ispras.ru>
1214
1215         PR rtl-optimization/40101
1216         * sel-sched-ir.c (get_seqno_by_preds): Allow returning negative
1217         seqno.  Adjust comment.
1218         * sel-sched.c (find_seqno_for_bookkeeping): Assert that when
1219         inserting bookkeeping before a jump, the jump is not scheduled.
1220         When no positive seqno found, provide a value.  Add comment.
1221
1222 2009-05-29  Richard Guenther  <rguenther@suse.de>
1223
1224         * tree-ssa-alias.c (nonaliasing_component_refs_p): Remove
1225         short-cutting on the first component.
1226
1227 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
1228
1229         PR middle-end/39958
1230         * omp-low.c (scan_omp_1_op): Call remap_type on TREE_TYPE
1231         for trees other than decls/types.
1232
1233 2009-05-29  Richard Guenther  <rguenther@suse.de>
1234
1235         * tree-ssa-operands.c (get_expr_operands): Do not handle
1236         INDIRECT_REFs in the handled-component case.  Remove
1237         unused get_ref_base_and_extent case.
1238         * tree-dfa.c (get_ref_base_and_extent): Avoid calling
1239         tree_low_cst and host_integerp where possible.
1240         * tree-ssa-structalias.c (equiv_class_label_eq): Check hash
1241         codes for equivalence.
1242         * dce.c (find_call_stack_args): Avoid redundant bitmap queries.
1243
1244 2009-05-29  David Billinghurst <billingd@gcc.gnu.org>
1245
1246         * config.gcc: Add i386/t-fprules-softfp and soft-fp/t-softfp
1247         to tmake_file for i[34567]86-*-cygwin*.
1248
1249 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
1250
1251         PR target/40017
1252         * config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
1253         (altivec_categorize_keyword, init_vector_keywords,
1254         rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
1255         similar to bool.
1256
1257 2009-05-29  Kai Tietz  <kai.tietz@onevision.com>
1258
1259         * tree.c (handle_dll_attribute): Check if node is
1260         of kind FUNCTION_DECL for DECL_DECLARED_INLINE_P check.
1261
1262 2009-05-29  Richard Earnshaw  <rearnsha@arm.com>
1263
1264         * config/arm/thumb2.md (thumb2_zero_extendsidi2): Add a split
1265         component.
1266         (thumb2_zero_extendqidi2): Likewise.
1267
1268 2009-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1269
1270         * config/sh/sh.c (sh_expand_t_scc): Use gen_xorsi3_movrt
1271         instead of gen_movrt.
1272         * config/sh/sh.md (movrt): Remove.
1273
1274 2009-05-28  Steve Ellcey  <sje@cup.hp.com>
1275
1276         * doc/invoke.texi (IA-64 Options):
1277         Add -msdata, -mfused-madd, -mno-inline-float-divide,
1278         -mno-inline-int-divide, -mno-inline-sqrt, -msched-spec-ldc,
1279         -msched-spec-control-ldc, -msched-prefer-non-data-spec-insns,
1280         -msched-prefer-non-control-spec-insns,
1281         -msched-stop-bits-after-every-cycle,
1282         -msched-count-spec-in-critical-path,
1283         -msel-sched-dont-check-control-spec, -msched-fp-mem-deps-zero-cost
1284         -msched-max-memory-insns-hard-limit, -msched-max-memory-insns.
1285         Remove -mt, -pthread, -msched-ldc, -mno-sched-control-ldc,
1286         and -msched-spec-verbose.
1287
1288 2009-05-28  Joseph Myers  <joseph@codesourcery.com>
1289
1290         * config/arm/lib1funcs.asm (__clear_cache): Define if L_clear_cache.
1291         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define to give an
1292         error if used.
1293         * config/arm/t-linux-eabi (LIB1ASMFUNCS): Add _clear_cache.
1294
1295 2009-05-28  Richard Guenther  <rguenther@suse.de>
1296
1297         * tree-ssa-alias.c (ao_ref_init): New function.
1298         (ao_ref_base): Likewise.
1299         (ao_ref_base_alias_set): Likewise.
1300         (ao_ref_alias_set): Likewise.
1301         (refs_may_alias_p_1): Change signature.
1302         (refs_may_alias_p): Adjust.
1303         (refs_anti_dependent_p): Likewise.
1304         (refs_output_dependent_p): Likewise.
1305         (call_may_clobber_ref_p_1): Change signature.
1306         (call_may_clobber_ref_p): Adjust.
1307         (stmt_may_clobber_ref_p_1): New function split out from ...
1308         (stmt_may_clobber_ref_p): ... here.
1309         (maybe_skip_until): Adjust signature.
1310         (get_continuation_for_phi): Likewise.
1311         (walk_non_aliased_vuses): Likewise.
1312         * tree-ssa-alias.h (struct ao_ref_s): New structure type.
1313         (ao_ref_init): Declare.
1314         (ao_ref_base): Likewise.
1315         (ao_ref_alias_set): Likewise.
1316         (stmt_may_clobber_ref_p_1): Likewise.
1317         (walk_non_aliased_vuses): Adjust.
1318         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): New function.
1319         (get_ref_from_reference_ops): remove.
1320         (vn_reference_lookup_2): Adjust signature.
1321         (vn_reference_lookup_3): Do not re-build trees.  Handle unions.
1322         (vn_reference_lookup_pieces): Adjust signature, do not re-build trees.
1323         (vn_reference_lookup): Adjust.
1324         (vn_reference_insert): Likewise.
1325         (vn_reference_insert_pieces): Adjust signature.
1326         (visit_reference_op_call): Adjust.
1327         * tree-ssa-pre.c (get_expr_type): Simplify.
1328         (phi_translate_1): Adjust.
1329         (compute_avail): Likewise.
1330         (translate_vuse_through_block): Do not re-build trees.
1331         (value_dies_in_block_x): Likewise.
1332         * tree-ssa-sccvn.h (struct vn_reference_s): Add type and alias-set
1333         fields.
1334         (vn_reference_lookup_pieces): Adjust declaration.
1335         (vn_reference_insert_pieces): Likewise.
1336
1337 2009-05-28  Benjamin Kosnik  <bkoz@redhat.com>
1338
1339         * tree-ssa-copy.c (replace_exp_1): Move op for warning-free use
1340         with checking disabled.
1341
1342 2009-05-28  Dave Korn  <dave.korn.cygwin@gmail.com>
1343
1344         PR target/37216
1345
1346         * configure.ac (HAVE_GAS_ALIGNED_COMM):  Add autoconf test and
1347         macro definition for support of three-operand format aligned
1348         .comm directive in assembler on cygwin/pe/mingw target OS.
1349         * configure:  Regenerate.
1350         * config.h:  Regenerate.
1351
1352         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common):  Use
1353         aligned form of .comm directive if -mpe-aligned-commons is in effect.
1354         * config/i386/cygming.opt (-mpe-aligned-commons):  Add new option.
1355
1356         * doc/invoke.texi (-mpe-aligned-commons):  Document new target option.
1357         * doc/tm.texi (ASM_OUTPUT_COMMON):  Document zero size commons.
1358
1359 2009-05-28  Ira Rosen  <irar@il.ibm.com>
1360
1361         PR tree-optimization/40254
1362         * tree-data-ref.c (dr_analyze_innermost): Take POFFSET into account
1363         in analysis of basic blocks.
1364
1365 2009-05-28  Adam Nemet  <anemet@caviumnetworks.com>
1366
1367         PR middle-end/33699
1368         * target.h (struct gcc_target): Fix indentation.  Add const_anchor.
1369         * target-def.h (TARGET_CONST_ANCHOR): New macro.
1370         (TARGET_INITIALIZER): Use it.
1371         * cse.c (CHEAPER): Move it up to the other macros.
1372         (insert): Rename this ...
1373         (insert_with_costs): ... to this.  Add cost parameters.  Update
1374         function comment.
1375         (insert): New function.  Call insert_with_costs.
1376         (compute_const_anchors, insert_const_anchor, insert_const_anchors,
1377         find_reg_offset_for_const, try_const_anchors): New functions.
1378         (cse_insn): Call try_const_anchors.  Adjust cost of src_related
1379         when using a const-anchor.  Call insert_const_anchors.
1380         * config/mips/mips.c (mips_set_mips16_mode): Set targetm.const_anchor.
1381         * doc/tm.texi (Misc): Document TARGET_CONST_ANCHOR.
1382
1383 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
1384
1385         * tree-inline.c (remap_decls): Enable nonlocalized variables
1386         when not optimizing.
1387
1388 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
1389
1390         * tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
1391         Simplify other tests involving optimize.
1392
1393 2009-05-27  Tom Tromey  <tromey@redhat.com>
1394
1395         * unwind-dw2.c (_Unwind_DebugHook): New function.
1396         (uw_install_context): Call _Unwind_DebugHook.
1397
1398 2009-05-27  Tom Tromey  <tromey@redhat.com>
1399
1400         * system.h (CONST_CAST2): Use C++ const_cast when compiled as C++
1401
1402 2009-05-27  Ian Lance Taylor  <iant@google.com>
1403
1404         * Makefile.in (LINKER, LINKER_FLAGS): Define.
1405         (LINKER_FOR_BUILD, BUILD_LINKERFLAGS): Define.
1406         (ALL_LINKERFLAGS): Define.
1407         (xgcc$(exeext)): Change $(COMPILER) to $(LINKER).
1408         (cpp$(exeext), cc1-dummy$(exeext), cc1$(exeext)): Likewise.
1409         (collect2$(exeext), mips-tfile, mips-tdump): Likewise.
1410         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
1411         (build/gen%$(build_exeext)): Change $(COMPILER_FOR_BUILD) to
1412         $(LINKER_FOR_BUILD).
1413         (build/gcov-iov$(build_exeext)): Likewise.
1414
1415 2009-05-27  Julian Brown  <julian@codesourcery.com>
1416
1417         * gcse.c (target.h): Include.
1418         (can_assign_to_reg_without_clobbers_p): Check that the target allows
1419         copy of argument to a pseudo register.
1420
1421 2009-05-27  Diego Novillo  <dnovillo@google.com>
1422
1423         * tree-ssa-live.c (dump_scope_block): Document arguments.
1424         (dump_scope_blocks): Document.
1425         (debug_scope_blocks): New.
1426         * tree-flow.h (debug_scope_blocks): Declare.
1427
1428 2009-05-21  Denis Chertykov  <denisc@overta.ru>
1429
1430         * doc/contrib.texi (Contributors): Add myself to the list.
1431
1432 2009-05-27  Olivier Hainque  <hainque@adacore.com>
1433
1434         * expr.c (target_align): New function.  Alignment the TARGET of an
1435         assignment may be assume to have.
1436         (highest_pow2_factor_for_target): Use it instead of relying on
1437         immediate tree attributes of TARGET, not necessarily honored when
1438         intermediate bitfields are involved.
1439
1440 2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>
1441
1442         PR target/40266
1443         * config/i386/driver-i386.c (host_detect_local_cpu): Support
1444         AVX, SSE4, AES, PCLMUL and POPCNT.
1445
1446 2009-05-27  Diego Novillo  <dnovillo@google.com>
1447
1448         * tree-pretty-print.c (dump_location): New.
1449         (dump_generic_node): Call it.
1450         Factor code to handle BLOCK nodes ...
1451         (dump_block_node): ... here.
1452
1453 2009-05-27  Rafael Avila de Espindola  <espindola@google.com>
1454
1455         * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h
1456         with it.
1457         * doc/plugins.texi: Document that gcc-plugin.h must be the first to be
1458         included.
1459         * gcc-plugin.h: Include config.h and system.h.
1460         (IN_GCC): Define if not defined.
1461
1462 2009-05-27  Hans-Peter Nilsson  <hp@axis.com>
1463
1464         PR middle-end/40249
1465         * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
1466         with -fno-inline.
1467
1468 2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>
1469
1470         * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
1471         applicable.
1472         * config/m32r/m32r.h: Ditto.
1473         * config/m32r/m32r.md: Ditto.
1474         * config/m32r/predicates.md: Ditto.
1475
1476 2009-05-27  Alexandre Oliva  <aoliva@redhat.com>
1477
1478         * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.
1479
1480 2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>
1481
1482         * doc/plugins.texi
1483         (Loading plugins): typo.
1484         (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
1485         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
1486         (Interacting with the GCC Garbage Collector): Added new section.
1487         (Giving information about a plugin): Added new section for
1488         PLUGIN_INFO.
1489         * ggc.h (ggc_register_root_tab): Added declaration.
1490         * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
1491         (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
1492         (register_callback): Improved comment in declaration.
1493         * ggc-common.c (const_ggc_root_tab_t) Added new typedef for vectors.
1494         (extra_root_vec) Added static variable for dynamic roots registration.
1495         (ggc_register_root_tab) Added new routine.
1496         (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
1497         PLUGIN_GGC_MARKING event.
1498         * ggc-zone.c: Include plugin.h.
1499         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
1500         * ggc-page.c: Include plugin.h.
1501         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
1502         * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
1503         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
1504         (register_callback): check lack of callbacks for
1505         pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
1506         PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
1507         (invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
1508         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
1509         * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
1510         dependency on plugin.h.
1511         (plugin.o): Added dependency on ggc.h...
1512
1513 2009-05-26  Richard Guenther  <rguenther@suse.de>
1514
1515         PR middle-end/40248
1516         Revert
1517         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
1518         with mismatched comparison modes.
1519
1520         * expr.c (expand_expr_real_1): Expand the operand of a
1521         VIEW_CONVERT_EXPR in its natural mode.
1522
1523 2009-05-26  Ian Lance Taylor  <iant@google.com>
1524
1525         * Makefile.in (COMPILER, COMPILER_FLAGS): Define.
1526         (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
1527         (ALL_COMPILERFLAGS): Define.
1528         (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
1529         (cc1-dummy$(exeext), cc1$(exeext)): Likewise.
1530         (collect2$(exeext), collect2.o): Likewise.
1531         (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
1532         (gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
1533         ($(out_object_file), mips-tfile, mips-tdump): Likewise.
1534         (libbackend.o, intl.o, cppdefault.o): Likewise.
1535         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
1536         (build/%.o): Use $(COMPILER_FOR_BUILD).
1537         (build/gen%$(build_exeext)): Likewise.
1538         (build/gcov-iov$(build_exeext)): LIkewise.
1539         * config/t-darwin (darwin.o): Use $(COMPILER).
1540         (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
1541         * config/t-sol2 (sol2-c.o): Likewise.
1542         (sol2.o): Likewise.
1543         * config/t-vxworks (vxworks.o): Likewise.
1544         * config/x-darwin (host-darwin.o): Likewise.
1545         * config/x-hpux (host-hpux.o): Likewise.
1546         * config/x-linux (host-linux.o): Likewise.
1547         * config/x-solaris (host-solaris.o): Likewise.
1548         * config/alpha/x-alpha (driver-alpha.o): Likewise.
1549         * config/arm/t-arm (arm-c.o): Likewise.
1550         * config/arm/t-pe (pe.o): Likewise.
1551         * config/arm/t-wince-pe (pe.o): Likewise.
1552         * config/i386/t-cygming (winnt.o): Likewise.
1553         (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
1554         * config/i386/t-cygwin (cygwin1.o): Likewise.
1555         (cygwin2.o): Likewise.
1556         * config/i386/t-i386 (i386-c.o): Likewise.
1557         * config/i386/t-interix (winnt.o): Likewise.
1558         * config/i386/t-netware (netware.o): Likewise.
1559         * config/i386/t-nwld (nwld.o): Likewise.
1560         * config/i386/x-darwin (host-i386-darwin.o): Likewise.
1561         * config/i386/x-i386 (driver-i386.o): Likewise.
1562         * config/i386/x-cygwin (host-cygwin.o): Likewise.
1563         * config/i386/x-mingw32 (host-mingw32.o): Likewise.
1564         * config/ia64/t-ia64 (ia64-c.o): Likewise.
1565         * config/m32c/t-m32c (m32c-pragma.o): Likewise.
1566         * config/mips/x-native (driver-native.o): Likewise.
1567         * config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
1568         * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
1569         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
1570         * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
1571         * config/score/t-score-elf (score7.o): Likewise.
1572         (score3.o): Likewise.
1573         * config/sh/t-sh (sh-c.o): Likewise.
1574         * config/sh/t-symbian (sh-c.o): Likewise.
1575         (symbian.o): Likewise.
1576         * config/spu/t-spu-elf (spu-c.o): Likewise.
1577         * config/v850/t-v850 (v850-c.o): Likewise.
1578         * config/v850/t-v850e (v850-c.o): Likewise.
1579
1580 2009-05-26  Richard Guenther  <rguenther@suse.de>
1581
1582         PR tree-optimization/40122
1583         * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
1584         VECTOR_CSTs if possible.
1585         (fold_gimple_assign): Likewise.
1586
1587 2009-05-26  Richard Guenther  <rguenther@suse.de>
1588
1589         PR middle-end/40252
1590         * fold-const.c (fold_binary): Use the correct types for building
1591         rotates.
1592
1593 2009-05-26  Richard Guenther  <rguenther@suse.de>
1594
1595         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
1596         redundant calls to merge_alias_info.
1597         (bump_vector_ptr): Likewise.
1598         * tree-ssa-copy.c (merge_alias_info): Remove.
1599         (replace_exp_1): Remove call to merge_alias_info.
1600         (propagate_tree_value): Likewise.
1601         (fini_copy_prop): Propagate points-to info.
1602         * tree-flow.h (merge_alias_info): Remove.
1603
1604 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1605
1606         * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.
1607
1608 2009-05-25  Jan Hubicka  <jh@suse.cz>
1609
1610         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
1611         * cgraph.h (struct inline_summary): New filed self_wize,
1612         size_inlining_benefit, self_time and time_inlining_benefit.
1613         (struct cgraph_global_info): Replace insns by time ans size fields.
1614         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
1615         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
1616         (ipcp_update_callgraph): Do not touch function bodies.
1617         * ipa-inline.c: Include except.h
1618         (MAX_TIME): New constant.
1619         (overall_insns): Remove.
1620         (leaf_node_p): New.
1621         (overall_size, max_benefit): New static variables.
1622         (cgraph_estimate_time_after_inlining): New function.
1623         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
1624         (cgraph_clone_inlined_nodes): Update size.
1625         (cgraph_mark_inline_edge): Update size.
1626         (cgraph_estimate_growth): Use size info.
1627         (cgraph_check_inline_limits): Check size.
1628         (cgraph_default_inline_p): Likewise.
1629         (cgraph_edge_badness): Compute badness based on benefit and size cost.
1630         (cgraph_decide_recursive_inlining): Check size.
1631         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
1632         and times.
1633         (cgraph_decide_inlining): Likewise.
1634         (cgraph_decide_inlining_incrementally): Likewise; honor
1635         PARAM_EARLY_INLINING_INSNS.
1636         (likely_eliminated_by_inlining_p): New predicate.
1637         (estimate_function_body_sizes): New function.
1638         (compute_inline_parameters): Use it.
1639         * except.c (must_not_throw_labels): New function.
1640         * except.h (must_not_throw_labels): Declare.
1641         * tree-inline.c (init_inline_once): Kill inlining_weigths
1642         * tree-ssa-structalias.c: Avoid uninitialized warning.
1643         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
1644         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
1645         (PARAM_INLINE_CALL_COST): Remove.
1646         (PARAM_EARLY_INLINING_INSNS): New.
1647
1648 2009-05-25  Richard Guenther  <rguenther@suse.de>
1649
1650         PR tree-optimization/36327
1651         * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
1652         callback for reference translation or lookup at the point of may-defs.
1653         * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
1654         * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
1655         for union COMPONENT_REFs.
1656         (vn_reference_lookup_3): New callback.  Lookup from memset
1657         and CONSTRUCTOR assignment, translate through struct copies.
1658         (vn_reference_lookup_pieces): Make sure to not free the
1659         passed operands array.  Adjust walk_non_aliased_vuses call.
1660         (vn_reference_lookup): Adjust walk_non_aliased_vuses call,
1661         make sure we do not leak memory.
1662
1663 2009-05-25  Richard Guenther  <rguenther@suse.de>
1664
1665         * tree-ssa-alias.h (dump_points_to_solution): Declare.
1666         * tree-inline.c (expand_call_inline): Reset the escaped and
1667         callused solutions.
1668         * tree-ssa-structalias.c (pass_build_ealias): New.
1669         * tree-pass.h (pass_build_ealias): Declare.
1670         * passes.c (init_optimization_passes): Add PTA during
1671         early optimizations.
1672         * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
1673         and CALLUSED solutions.
1674         (dump_points_to_solution): New function, split out from ...
1675         (dump_points_to_info_for): ... here.
1676         * tree-parloops.c (parallelize_loops): Reset the escaped and
1677         callused solutions.
1678
1679 2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1680
1681         PR bootstrap/40027
1682         * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
1683         * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.
1684
1685 2009-05-25  Ira Rosen  <irar@il.ibm.com>
1686
1687         PR tree-optimization/40238
1688         * tree-vect-stmts.c (vect_init_vector): Insert initialization
1689         statements after basic block's labels.
1690         * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info()
1691         to free the allocated memory.
1692
1693 2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>
1694
1695         * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
1696         return address with a USE.
1697
1698 2009-05-24  Richard Guenther  <rguenther@suse.de>
1699
1700         PR middle-end/40233
1701         * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
1702         array type from the main variant of the inner type.
1703
1704 2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1705
1706         * config/vax/vax-protos.h (legitimate_constant_address_p): Change
1707         definition to bool (from int) to un-break build.
1708         (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.
1709
1710 2009-05-24  Paolo Bonzini  <bonzini@gnu.org>
1711
1712         * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
1713         discard_stmt_changes): Delete.
1714         * tree-ssa-operands.c (scb_stack): Delete.
1715         (init_ssa_operands): Do not initialize it.
1716         (fini_ssa_operands): Do not free it.
1717         (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.
1718
1719         * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with
1720         update_stmt, remove the others.  Fix comments.
1721         * tree-dfa.c (optimize_stack_restore): Likewise.
1722         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
1723         * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
1724         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
1725         * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
1726         Likewise.
1727         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
1728         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
1729         (dom_opt_finalize_block): Likewise, adjusting access to
1730         stmts_to_rescan.
1731         (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
1732         (stmts_to_rescan): Change item type to gimple.
1733         (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.
1734
1735 2009-05-24  Ira Rosen  <irar@il.ibm.com>
1736
1737         * doc/passes.texi (Tree-SSA passes): Document SLP pass.
1738         * tree-pass.h (pass_slp_vectorize): New pass.
1739         * params.h (SLP_MAX_INSNS_IN_BB): Define.
1740         * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
1741         * tree-vectorizer.c (timevar.h): Include.
1742         (user_vect_verbosity_level): Declare.
1743         (vect_location): Fix comment.
1744         (vect_set_verbosity_level): Update user_vect_verbosity_level
1745         instead of vect_verbosity_level.
1746         (vect_set_dump_settings): Add an argument. Ignore user defined
1747         verbosity if dump flags require higher level of verbosity. Print to
1748         stderr only for loop vectorization.
1749         (vectorize_loops): Update call to vect_set_dump_settings.
1750         (execute_vect_slp): New function.
1751         (gate_vect_slp): Likewise.
1752         (struct gimple_opt_pass pass_slp_vectorize): New.
1753         * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
1754         access its members.
1755         (vec_info_for_bb): New function.
1756         (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
1757         (VECTORIZATION_ENABLED): New macro.
1758         (SLP_ENABLED, SLP_DISABLED): Likewise.
1759         (vect_is_simple_use): Add bb_vec_info argument.
1760         (new_stmt_vec_info, vect_analyze_data_ref_dependences,
1761         vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
1762         vect_analyze_data_ref_accesses, vect_analyze_data_refs,
1763         vect_schedule_slp, vect_analyze_slp): Likewise.
1764         (vect_analyze_stmt): Add slp_tree argument.
1765         (find_bb_location): Declare.
1766         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
1767         * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
1768         (vect_analyze_loop_operations, vect_analyze_loop,
1769         get_initial_def_for_induction, vect_create_epilog_for_reduction,
1770         vect_finalize_reduction, vectorizable_reduction,
1771         vectorizable_live_operation, vect_transform_loop): Likewise.
1772         * tree-data-ref.c (dr_analyze_innermost): Update comment,
1773         skip evolution analysis if analyzing a basic block.
1774         (dr_analyze_indices): Likewise.
1775         (initialize_data_dependence_relation): Skip the test whether the
1776         object is invariant for basic blocks.
1777         (compute_all_dependences): Skip dependence analysis for data
1778         references in basic blocks.
1779         (find_data_references_in_stmt): Don't fail in case of invariant
1780         access in basic block.
1781         (find_data_references_in_bb): New function.
1782         (find_data_references_in_loop): Move code to
1783         find_data_references_in_bb and add a call to it.
1784         (compute_data_dependences_for_bb): New function.
1785         * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
1786         * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
1787         that STEP is 0.
1788         (vect_analyze_data_ref_dependence): Check for interleaving in case of
1789         unknown dependence in basic block and fail in case of dependence in
1790         basic block.
1791         (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
1792         dependence instances from either loop or basic block vectorization
1793         info.
1794         (vect_compute_data_ref_alignment): Check if it is loop vectorization
1795         before calling nested_in_vect_loop_p.
1796         (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
1797         dependence instances from either loop or basic block vectorization
1798         info.
1799         (vect_verify_datarefs_alignment): Likewise.
1800         (vect_enhance_data_refs_alignment): Adjust function calls.
1801         (vect_analyze_data_refs_alignment): Likewise.
1802         (vect_analyze_group_access): Fix printing. Skip different checks if
1803         DR_STEP is 0. Keep strided stores either in loop or basic block
1804         vectorization data structure. Fix indentation.
1805         (vect_analyze_data_ref_access): Fix comments, allow zero step in
1806         basic blocks.
1807         (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
1808         dependence instances from either loop or basic block vectorization
1809         info.
1810         (vect_analyze_data_refs): Update comment. Call
1811         compute_data_dependences_for_bb to analyze basic blocks.
1812         (vect_create_addr_base_for_vector_ref): Check for outer loop only in
1813         case of loop vectorization. In case of basic block vectorization use
1814         data-ref itself as a base.
1815         (vect_create_data_ref_ptr): In case of basic block vectorization:
1816         don't advance the pointer, add new statements before the current
1817         statement.  Adjust function calls.
1818         (vect_supportable_dr_alignment): Support only aligned accesses in
1819         basic block vectorization.
1820         * common.opt (ftree-slp-vectorize): New flag.
1821         * tree-vect-patterns.c (widened_name_p): Adjust function calls.
1822         (vect_pattern_recog_1): Likewise.
1823         * tree-vect-stmts.c (process_use): Likewise.
1824         (vect_init_vector): Add new statements in the beginning of the basic
1825         block in case of basic block SLP.
1826         (vect_get_vec_def_for_operand): Adjust function calls.
1827         (vect_finish_stmt_generation): Likewise.
1828         (vectorizable_call): Add assert that it is loop vectorization, adjust
1829         function calls.
1830         (vectorizable_conversion, vectorizable_assignment): Likewise.
1831         (vectorizable_operation): In case of basic block SLP, take
1832         vectorization factor from statement's type and skip the relevance
1833         check. Adjust function calls.
1834         (vectorizable_type_demotion): Add assert that it is loop
1835         vectorization, adjust function calls.
1836         (vectorizable_type_promotion): Likewise.
1837         (vectorizable_store): Check for outer loop only in case of loop
1838         vectorization. Adjust function calls. For basic blocks, skip the
1839         relevance check and don't advance pointers.
1840         (vectorizable_load): Likewise.
1841         (vectorizable_condition): Add assert that it is loop vectorization,
1842         adjust function calls.
1843         (vect_analyze_stmt): Add argument. In case of basic block SLP, check
1844         that it is not reduction, get vector type, call only supported
1845         functions, skip loop specific parts.
1846         (vect_transform_stmt): Check for outer loop only in case of loop
1847         vectorization.
1848         (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
1849         (vect_is_simple_use): Fix comment, add new argument, fix conditions
1850         for external definition.
1851         * passes.c (pass_slp_vectorize): New pass.
1852         * tree-vect-slp.c (find_bb_location): New function.
1853         (vect_get_and_check_slp_defs): Add argument, adjust function calls,
1854         check for patterns only in loops.
1855         (vect_build_slp_tree): Add argument, adjust function calls, fail in
1856         case of multiple types in basic block SLP.
1857         (vect_mark_slp_stmts_relevant): New function.
1858         (vect_supported_load_permutation_p): Fix comment.
1859         (vect_analyze_slp_instance): Add argument. In case of basic block
1860         SLP, take vectorization factor from statement's type, check that
1861         unrolling factor is 1. Adjust function call. Save SLP instance in
1862         either loop or basic block vectorization structure. Return FALSE,
1863         if SLP failed.
1864         (vect_analyze_slp): Add argument. Get strided stores groups from
1865         either loop or basic block vectorization structure. Return FALSE
1866         if basic block SLP failed.
1867         (new_bb_vec_info): New function.
1868         (destroy_bb_vec_info, vect_slp_analyze_node_operations,
1869         vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
1870         (vect_schedule_slp): Add argument. Get SLP instances from either
1871         loop or basic block vectorization structure. Set vectorization factor
1872         to be 1 for basic block SLP.
1873         (vect_slp_transform_bb): New function.
1874         * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.
1875
1876 2009-05-23  Mark Mitchell  <mark@codesourcery.com>
1877
1878         * final.c (shorten_branches): Do not align labels for jump tables.
1879         (final_scan_insn): Use JUMP_TABLE_DATA_P.
1880
1881 2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1882
1883         * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
1884         Remove outdated reference to flow.c and fix nits.
1885         * doc/gccint.texi: Tweak RTL description.
1886         * doc/rtl.texi: Likewise.
1887
1888 2009-05-23  Denis Chertykov  <chertykov@gmail.com>
1889
1890         * config/avr/avr.c: Change my email address.
1891         * config/avr/avr.h: Likewise.
1892         * config/avr/avr.md: Likewise.
1893         * config/avr/avr-protos.h: Likewise.
1894         * config/avr/libgcc.S: Likewise.
1895
1896 2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1897
1898         * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
1899         (spu_split_load, spu_split_store): Change return type to int.
1900         (spu_split_convert): Declare.
1901         * config/spu/predicates.md (spu_mem_operand): Remove.
1902         (spu_mov_operand): Update.
1903         (spu_dest_operand, shiftrt_operator, extend_operator): Define.
1904         * config/spu/spu.c (regno_aligned_for_load): Remove.
1905         (reg_aligned_for_addr, spu_expand_load): Define.
1906         (spu_expand_extv): Reimplement and handle MEM.
1907         (spu_expand_insv): Handle MEM.
1908         (spu_sched_reorder): Handle insn's with length 0.
1909         (spu_legitimate_address_p): Reimplement.
1910         (store_with_one_insn_p): Return TRUE for any mode with size
1911         larger than 16 bytes.
1912         (address_needs_split): Define.
1913         (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
1914         operands.
1915         (spu_convert_move): Define.
1916         (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
1917         (spu_split_store): Change all MEM's to TImode.
1918         (spu_init_expanders): Preallocate registers that correspond to
1919         LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
1920         mark_reg_pointer.
1921         (spu_split_convert): Define.
1922         * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
1923         (_move<mode>, _movdi, _movti): Update predicate and condition.
1924         (load, store): Change to define_split.
1925         (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
1926         extend<mode>ti2.
1927         (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
1928         (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
1929         define_insn_and_split of lshr<mode>3.
1930         (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
1931         (<v>ashr<mode>3_imm): Define.
1932         (extv, extzv, insv): Allow MEM operands.
1933         (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
1934         shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
1935         sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
1936         (_spu_convert2): Change to define_insn_and_split and remove the
1937         corresponding define_peephole2.
1938         (stack_protect_set, stack_protect_test, stack_protect_test_si):
1939         Change predicates to memory_operand.
1940
1941 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
1942
1943         * config/arm/thumb2.md: Add 16-bit multiply instructions.
1944
1945 2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
1946
1947         PR tree-optimization/40219
1948         * tree.c (iterative_hash_expr): Make sure the builtin function is
1949         a normal builtin function and not a front end or back end builtin
1950         before indexing into the built_in_decls array.
1951
1952 2009-05-22  Richard Guenther  <rguenther@suse.de>
1953
1954         PR middle-end/38964
1955         * alias.c (write_dependence_p): Do not use TBAA for answering
1956         anti-dependence or output-dependence.
1957         * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
1958         (emit_pointer_definition): Remove.
1959         (emit_alias_warning): Likewise.
1960         (find_what_var_points_to): Remove TBAA pruning code.
1961         (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
1962         violations.
1963         (compute_points_to_sets): Remove code computing the set of
1964         dereferenced pointers.
1965         * tree-data-ref.c (dr_may_alias_p): Properly use the split
1966         oracle for querying anti and output dependencies.
1967         * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
1968         if TBAA may be applied.
1969         (refs_anti_dependent_p): New function.
1970         (refs_output_dependent_p): Likewise.
1971         * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
1972         (refs_output_dependent_p): Likewise.
1973         * doc/tree-ssa.texi (Memory model): New section.
1974         * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
1975         * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
1976         * cfgexpand.c (expand_gimple_basic_block): Do not handle
1977         GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
1978         * expr.c (expand_expr_real_1): Likewise.
1979         * gimple-low.c (lower_stmt): Likewise.
1980         * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
1981         (dump_gimple_cdt): Remove.
1982         * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
1983         (gimple_size): Likewise.
1984         (walk_gimple_op): Likewise.
1985         (is_gimple_stmt): Likewise.
1986         (walk_stmt_load_store_addr_ops): Likewise.
1987         (gimple_build_cdt): Remove.
1988         * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
1989         * gimple.h (gimple_cdt_new_type): Remove.
1990         (gimple_cdt_new_type_ptr): Likewise.
1991         (gimple_cdt_set_new_type): Likewise.
1992         (gimple_cdt_location): Likewise.
1993         (gimple_cdt_location_ptr): Likewise.
1994         (gimple_cdt_set_location): Likewise.
1995         * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
1996         * tree-cfg.c (remove_useless_stmts_1): Do not handle
1997         GIMPLE_CHANGE_DYNAMIC_TYPE.
1998         (verify_types_in_gimple_stmt): Likewise.
1999         * tree-inline.c (estimate_num_insns): Likewise.
2000         (expand_call_inline): Do not copy DECL_NO_TBAA_P.
2001         (copy_decl_to_var): Likewise.
2002         (copy_result_decl_to_var): Likewise.
2003         * tree-pretty-print.c (dump_generic_node): Do not handle
2004         CHANGE_DYNAMIC_TYPE_EXPR.
2005         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2006         * tree-ssa-operands.c (get_expr_operands): Likewise.
2007         * tree-ssa-structalias.c (struct variable_info): Remove
2008         no_tbaa_pruning member.
2009         (new_var_info): Do not set it based on DECL_NO_TBAA_P.
2010         (unify_nodes): Do not copy it.
2011         (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
2012         (dump_solution_for_var): Do not dump no_tbaa_pruning state.
2013         (set_uids_in_ptset): Do not check it.
2014         (find_what_var_points_to): Likewise.
2015         (compute_tbaa_pruning): Remove.
2016         (compute_points_to_sets): Do not call it.
2017         * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
2018         * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
2019         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
2020         (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
2021         (DECL_NO_TBAA_P): Likewise.
2022         (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
2023         * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
2024         (expand_omp_atomic_pipeline): Do not set it.
2025         * print-tree.c (print_node): Do not dump it.
2026         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
2027         redundant check.
2028
2029 2009-05-22 Vladimir Makarov <vmakarov@redhat.com>
2030
2031         PR target/39856
2032         * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
2033         for clobber.
2034
2035 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
2036
2037         * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
2038         non-external.
2039
2040 2009-05-22  Ben Elliston  <bje@au.ibm.com>
2041
2042         * Makefile.in (bversion.h, s-bversion): New targets.
2043         (TOPLEV_H): Add bversion.h.
2044         * toplev.h: Include "bversion.h".
2045         (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
2046         the __format__ attribute only if compiling with the same version
2047         of GCC as the sources (the "build version").
2048
2049 2009-05-22  Ben Elliston  <bje@au.ibm.com>
2050
2051         * c-format.c (handle_format_attribute): Fix comment typo.
2052
2053 2009-05-21  Steve Ellcey  <sje@cup.hp.com>
2054
2055         PR target/37846
2056         * config/ia64/ia64.opt (mfused-madd): New.
2057         * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
2058         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
2059         * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
2060         madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
2061         nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
2062         msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
2063         nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
2064         * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms
2065         instruction if !TARGET_FUSED_MADD.
2066         (fpma, fpms): Remove colon from name.
2067
2068 2009-05-22  Richard Guenther  <rguenther@suse.de>
2069
2070         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
2071         TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
2072         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
2073         TARGET_MEM_REF.
2074         (create_expression_by_pieces): Only convert if necessary.
2075         * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
2076         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
2077
2078 2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>
2079
2080         * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
2081         regular pattern from a template and rename it ...
2082         (*extzv_truncsi_exts): ... to this.
2083
2084 2009-05-21  Richard Guenther  <rguenther@suse.de>
2085
2086         * cgraph.h (struct cgraph_node): Remove inline_decl member.
2087         * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
2088         (cgraph_default_inline_p): Likewise.
2089         (cgraph_decide_inlining_incrementally): Likewise.
2090
2091 2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2092             Uros Bizjak  <ubizjak@gmail.com>
2093
2094         * config/i386/cpuid.h (bit_MOVBE): New.
2095
2096         * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.
2097
2098         * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
2099         (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
2100         (ix86_handle_option): Handle OPT_mmovbe.
2101         (ix86_target_string): Add -mmovbe.
2102         (pta_flags): Add PTA_MOVBE.
2103         (processor_alias_table): Add PTA_MOVBE to "atom".
2104         (override_options): Handle PTA_MOVBE.
2105
2106         * config/i386/i386.h (TARGET_MOVBE): New.
2107
2108         * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
2109         (*bswapsi_movbe): New.
2110         (*bswapdi_movbe): Likewise.
2111         (bswapdi2): Renamed to ...
2112         (*bswapdi_1): This.
2113         (bswapdi2): New expander.
2114
2115         * config/i386/i386.opt (mmovbe): New.
2116
2117         * doc/invoke.texi: Document -mmovbe.
2118
2119 2009-05-21  Taras Glek  <tglek@mozilla.com>
2120
2121         * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
2122         * gcc-plugin.h (plugin_init): Updated signature.
2123         * gcc-plugin.h (plugin_name_args): Moved to this header.
2124         * doc/plugins.texi (plugin_init): Updated documention to reflect
2125         API change.
2126         * doc/plugins.texi (plugin_name_args): Added to documention.
2127
2128 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
2129
2130         * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
2131         (*mul<mode>3neg<mode>add<mode>_neon): Likewise.
2132
2133 2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>
2134
2135         * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
2136         JUMP_TABLE_DATA_P predicates where applicable.
2137         * config/i386/predicates.md: Ditto.
2138         * config/i386/sse.md: Ditto.
2139
2140 2009-05-21  Jakub Jelinek  <jakub@redhat.com>
2141
2142         * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
2143         operand2 -128 override length_immediate attribute to 1.
2144         * config/i386/predicates.md (constm128_operand): New predicate.
2145
2146         * config/i386/i386.c (memory_address_length): Handle %r12
2147         the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
2148         also check REGNO.
2149         (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
2150         mode look through optional ZERO_EXTEND and SUBREG.
2151         * config/i386/i386.md (R12_REG): New define_constant.
2152         (prefix_data16): For sse unit set also for MODE_TI insns.
2153         (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
2154         insns set if operand 1 is ext_QIreg_operand.
2155         (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
2156         TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
2157         immediate.
2158         (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
2159         mode from MODE_DI to MODE_SI.
2160         (movdi_1_rex64): Override modrm and length_immediate attributes
2161         only for movabs (TYPE_IMOV, alternative 2).
2162         (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
2163         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
2164         *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
2165         *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
2166         *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
2167         prefix_rex attribute if DImode.
2168         (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
2169         *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
2170         *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
2171         *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
2172         attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
2173         (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
2174         Likewise.  For TYPE_IMOV clear length_immediate attribute.
2175         (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
2176         *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
2177         *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
2178         *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
2179         *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
2180         or one operand TYPE_ISHIFT.
2181         (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
2182         *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
2183         *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
2184         *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
2185         *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
2186         *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
2187         *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
2188         *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
2189         *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
2190         *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
2191         *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
2192         *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
2193         *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
2194         *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
2195         *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
2196         *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
2197         *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
2198         set mode attribute, don't override length attribute.
2199         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
2200         to 1.
2201         (return_internal_long): Set length attribute to 2 instead of 1.
2202         (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
2203         *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
2204         prefix_rex attribute.
2205         * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
2206         New predicates.
2207         (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.
2208
2209 2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2210
2211         * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.
2212
2213 2009-05-20  Ian Lance Taylor  <iant@google.com>
2214
2215         * tree.c (build_tree_list_vec_stat): New function.
2216         (ctor_to_vec): New function.
2217         (build_nt_call_vec): New function.
2218         (build_call_array): Change args to be a const pointer.
2219         (build_call_vec): New function.
2220         * tree.h (build_nt_call_vec): Declare.
2221         (build_tree_list_vec_stat): Declare.
2222         (build_tree_list_vec): Define.
2223         (build_call_array): Update declaration.
2224         (build_call_vec): Declare.
2225         (ctor_to_vec): Declare.
2226         * c-common.c (tree_vector_cache): New static variable.
2227         (make_tree_vector): New function.
2228         (release_tree_vector): New function.
2229         (make_tree_vector_single): New function.
2230         (make_tree_vector_copy): New function.
2231         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
2232         (make_tree_vector_single, make_tree_vector_copy): Declare.
2233         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
2234         (c_parser_expr_list): Don't manage cache here, instead call
2235         make_tree_vector.
2236         (c_parser_release_expr_list): Remove static function.
2237         (c_parser_vec_to_tree_list): Remove static function.
2238         (c_parser_attributes): Call build_tree_list_vec instead of
2239         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
2240         c_parser_release_expr_list.
2241         (c_parser_postfix_expression_after_primary): Likewise.
2242         (c_parser_objc_keywordexpr): Likewise.
2243
2244 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
2245
2246         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
2247         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
2248         TARGET_CONVERT_TO_TYPE.
2249         * hooks.c (hook_tree_const_tree_null): Define.
2250         * hooks.h (hook_tree_const_tree_null): Declare.
2251         * target.h (struct gcc_target):  Add invalid_parameter_type,
2252         invalid_return_type, promoted_type, and convert_to_type fields.
2253         * target-def.h: (TARGET_INVALID_PARAMETER_TYPE): Define.
2254         (TARGET_INVALID_RETURN_TYPE): Define.
2255         (TARGET_PROMOTED_TYPE): Define.
2256         (TARGET_CONVERT_TO_TYPE): Define.
2257         (TARGET_INITIALIZER): Update for new fields.
2258         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
2259         (grokparms): Check targetm.invalid_parameter_type.
2260         * c-typeck.c (default_conversion): Check targetm.promoted_type.
2261         * c-convert.c (convert): Check targetm.convert_to_type.
2262
2263 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
2264
2265         * config/mips/mips.md (*extenddi_truncate<mode>,
2266         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
2267         defintions.
2268         (*extendhi_truncateqi): New define_insn_and_sptit.
2269
2270 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
2271
2272         PR middle-end/40204
2273         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
2274         recursion if build_int_cst_type returns the same INTEGER_CST as arg1.
2275
2276 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
2277
2278         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
2279         the operand of VIEW_CONVERT_EXPR.
2280
2281 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
2282
2283         * config/i386/driver-i386.c (host_detect_local_cpu): Check
2284         extended family and model for Intel processors.  Support Intel Atom.
2285
2286 2009-05-20  Olivier Hainque  <hainque@adacore.com>
2287
2288         * gstab.h (stab_code_type): Define, to be used instead of the
2289         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
2290         notice.
2291         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
2292         occurrences by stab_code_type.
2293         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
2294
2295 2009-05-20  Martin Jambor  <mjambor@suse.cz>
2296
2297         * tree-flow.h (insert_edge_copies_seq): Undeclare.
2298         (sra_insert_before): Likewise.
2299         (sra_insert_after): Likewise.
2300         (sra_init_cache): Likewise.
2301         (sra_type_can_be_decomposed_p): Likewise.
2302         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
2303         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
2304         (sra_insert_before): Likewise.
2305         (sra_insert_after): Likewise.
2306         (sra_init_cache): Likewise.
2307         (insert_edge_copies_seq): Made static and moved upwards.
2308
2309         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
2310         case.
2311
2312         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
2313
2314         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
2315         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
2316         simple copies.
2317
2318 2009-05-20  Richard Guenther  <rguenther@suse.de>
2319
2320         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
2321         with mismatched comparison modes.
2322
2323 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2324
2325         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
2326         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
2327         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
2328         with shifts for Thumb2.
2329         (orsi_notsi): New for orn.
2330         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
2331         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
2332         * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
2333         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
2334         Don't invert remainder for IOR.
2335
2336 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
2337
2338         PR tree-optimization/40087
2339         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
2340         number_of_iterations_ne): Rename never_infinite argument.
2341         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
2342         number_of_iterations_le): Handle pointer-type ivs when
2343         exit_must_be_taken is false.
2344         (number_of_iterations_cond):  Do not always assume that
2345         exit_must_be_taken if the control variable is a pointer.
2346
2347 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2348
2349         * c-typeck.c (build_binary_op): Allow % on integal vectors.
2350         * doc/extend.texi (Vector Extension): Document that % is allowed too.
2351
2352 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
2353
2354         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
2355         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
2356
2357 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2358
2359         PR c/40172
2360         * c.opt (Wlogical-op): Disabled by default.
2361         * c-opt (c_common_post_options): Do not enable Wlogical-op with
2362         Wextra.
2363         * doc/invoke.texi (Wlogical-op): Likewise.
2364
2365 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
2366
2367         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
2368         into CASE_CONVERT.
2369         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
2370         Propagate the type of the first operand.
2371         <ASSERT_EXPR>: Simplify.
2372         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
2373         Rewrite using the RHS code as discriminant.
2374         <NOP_EXPR>: Turn into CASE_CONVERT.
2375         <PLUS_EXPR>: Propagate the type of the first operand.
2376
2377 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
2378
2379         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
2380         (ia64_dconst_0_375): New.
2381         * config/ia64/ia64.c (ia64_override_options): Remove
2382         -minline-sqrt-min-latency warning.
2383         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
2384         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
2385         * config/ia64/ia64.md (*sqrt_approx): Remove.
2386         (sqrtsf2): Remove #if 0.
2387         (sqrtsf2_internal_thr): Rewrite and move to div.md.
2388         (sqrtdf): Remove assert.
2389         (sqrtdf2_internal_thr): Rewrite and move to div.md.
2390         (sqrtxf2): Remove #if 0.
2391         (sqrtxf2_internal_thr): Rewrite and move to div.md.
2392         * div.md (sqrt_approx_rf): New.
2393         (sqrtsf2_internal_thr): New implementation.
2394         (sqrtsf2_internal_lat): New.
2395         (sqrtdf2_internal_thr: New implementation.
2396         (sqrtxf2_internal): New implementation.
2397
2398 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
2399             Hans-Peter Nilsson  <hp@axis.com>
2400
2401         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
2402         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
2403         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
2404         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
2405         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
2406         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
2407         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
2408         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
2409         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
2410         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
2411         * c-common.c: ...from here.
2412
2413 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2414
2415         * c-common.c (warn_logical_operator): Remove unnecessary conditionals.
2416
2417 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2418
2419         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
2420
2421 2009-05-19  Ben Elliston  <bje@au.ibm.com>
2422
2423         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
2424         assignments with memcpy calls.
2425         (add_fdes): Likewise.
2426         (binary_search_unencoded_fdes): Likewise.
2427         (linear_search_fdes): Eliminate type puns.
2428
2429 2009-05-19  Richard Guenther  <rguenther@suse.de>
2430
2431         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
2432         not falsely claim to have propagated into all uses.
2433
2434 2009-05-19  Ben Elliston  <bje@au.ibm.com>
2435
2436         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
2437         version to v3.0.
2438
2439 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
2440
2441         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
2442         * config/sh/sh.c (sh_legitimate_address_p): Make static.
2443         (TARGET_LEGITIMATE_ADDRESS_P): New.
2444         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2445         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
2446
2447 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
2448
2449         PR debug/40109
2450         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
2451         child of the containing namespace's DIE.
2452
2453 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
2454
2455         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
2456         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
2457         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
2458         extend patterns.
2459
2460 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
2461
2462         PR target/39942
2463         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
2464         gen_align with gen_pad.
2465         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
2466         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
2467
2468         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
2469         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
2470
2471         * config/i386/i386.md (align): Renamed to ...
2472         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
2473         ASM_OUTPUT_MAX_SKIP_PAD.
2474
2475 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
2476
2477         * config.gcc: Fix variable syntax.
2478
2479         PR target/39531
2480         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
2481         before calling exact_log2.
2482         (output_iorsi3): Likewise.
2483         (output_xorsi3): Likewise.
2484
2485 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
2486
2487         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
2488         for the none zero constant operand except for EQ and NE
2489         comprisons even when the first operand is R0.
2490
2491 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
2492
2493         * config/s390/2064.md: Remove trailing whitespaces.
2494         * config/s390/2084.md: Likewise.
2495         * config/s390/constraints.md: Likewise.
2496         * config/s390/fixdfdi.h: Likewise.
2497         * config/s390/libgcc-glibc.ver: Likewise.
2498         * config/s390/s390-modes.def: Likewise.
2499         * config/s390/s390-protos.h: Likewise.
2500         * config/s390/s390.c: Likewise.
2501         * config/s390/s390.h: Likewise.
2502         * config/s390/s390.md: Likewise.
2503         * config/s390/tpf-unwind.h: Likewise.
2504
2505 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
2506
2507         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
2508
2509 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
2510
2511         M68K TLS support.
2512         * configure.ac (m68k-*-*): Check if binutils support TLS.
2513         * configure: Regenerate.
2514         * config/m68k/predicates.md (symbolic_operand): Extend comment.
2515         * config/m68k/constraints.md (Cu): New constraint.
2516         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
2517         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
2518         (movsi): Handle TLS symbols.
2519         (addsi3_5200): Handle XTLS symbols, indent.
2520         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
2521         (m68k_tls_reference_p): Declare.
2522         (m68k_legitimize_address): Declare.
2523         (m68k_unwrap_symbol): Declare.
2524         * config/m68k/m68k.opt (mxtls): New option.
2525         * config/m68k/m68k.c (ggc.h): Include.
2526         (m68k_output_dwarf_dtprel): Implement hook.
2527         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
2528         (m68k_expand_prologue): Load GOT pointer when function needs it.
2529         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
2530         (m68k_legitimate_constant_address_p): Same.
2531         (m68k_decompose_address): Handle TLS references.
2532         (m68k_get_gp): New static function.
2533         (enum m68k_reloc): New contants.
2534         (TLS_RELOC_P): New macro.
2535         (m68k_wrap_symbol): New static function.
2536         (m68k_unwrap_symbol): New function.
2537         (m68k_final_prescan_insn_1): New static function.
2538         (m68k_final_prescan_insn): New function.
2539         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
2540         functions.
2541         (legitimize_pic_address): Handle TLS references..
2542         (m68k_tls_get_addr, m68k_get_tls_get_addr)
2543         (m68k_libcall_value_in_a0_p)
2544         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
2545         (m68k_call_m68k_read_tp): Helper variables and functions for ...
2546         (m68k_legitimize_tls_address): Handle TLS references.
2547         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
2548         New functions.
2549         (m68k_legitimize_address): Handle TLS symbols.
2550         (m68k_get_reloc_decoration): New static function.
2551         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
2552         UNSPEC_RELOC32.
2553         (m68k_output_dwarf_dtprel): Implement hook.
2554         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
2555         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
2556         m68k_call_* routines.
2557         (sched_attr_op_type): Handle TLS symbols.
2558         (gt-m68k.h): Include.
2559         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
2560         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
2561
2562 2009-05-18  Martin Jambor  <mjambor@suse.cz>
2563
2564         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
2565         (visit_store_addr_for_mod_analysis): New function.
2566         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
2567         (determine_cst_member_ptr): Use gimple_assign_single_p.
2568         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
2569         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
2570         operands.  Don't check number of operands of a NOP_EXPR.
2571
2572 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
2573
2574         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
2575
2576 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2577
2578         PR c/40172
2579         * c-common.c (warn_logical_operator): Don't warn if one of
2580         expression isn't always true or false.
2581
2582 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
2583
2584         * config/i386/biarch32.h: New file.
2585         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
2586
2587 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
2588
2589         * config/mips/mips.md (*zero_extend<mode>_trunchi,
2590         *zero_extend<mode>_truncqi): Merge these into ...
2591         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
2592         Name the pattern following this as *zero_extendhi_truncqi.
2593
2594 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
2595
2596         PR middle-end/39301
2597         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
2598         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
2599         (output_info): Make field HOST_WIDEST_INT.
2600         (print_statistics): Use HOST_WIDEST_INT_PRINT.
2601         (dump_bitmat_statistics): Same.
2602
2603 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
2604
2605         * config.gcc (use_gcc_stdint):  Set to wrap.
2606         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2607         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2608         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2609         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2610         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2611         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2612         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2613         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2614
2615 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
2616
2617         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
2618         tune_64.
2619         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
2620         Move definitions earlier.
2621         (OPT_ARCH64, OPT_ARCH32): Define.
2622         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
2623         and tune_64.
2624
2625 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
2626
2627         PR target/40153
2628         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
2629         implies.
2630
2631 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
2632
2633         * arm.md (movdi2): Copy non-reg values to DImode registers.
2634
2635 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
2636
2637         PR target/39942
2638         * final.c (label_to_max_skip): New function.
2639         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
2640         CODE_LABEL_NUMBER <= max_labelno.
2641         * output.h (label_to_max_skip): New prototype.
2642         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
2643         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
2644         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
2645         Handle CODE_LABELs with >= 16 byte alignment or with
2646         max_skip == (1 << align) - 1.
2647         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
2648         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
2649
2650         PR target/39942
2651         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
2652         .p2align 3 if MAX_SKIP is smaller than 7.
2653         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
2654
2655 2009-05-15  Ian Lance Taylor  <iant@google.com>
2656
2657         * alias.c (struct alias_set_entry_d): Rename from struct
2658         alias_set_entry.  Change all uses.
2659         * except.c (struct call_site_record_d): Rename from struct
2660         call_site_record.  Change all uses.
2661         * except.h (struct eh_region_d): Rename from struct eh_region.
2662         Change all uses.
2663         * gcse.c (struct hash_table_d): Rename from struct hash_table.
2664         Change all uses.
2665         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
2666         ivtype_map_elt.  Change all uses.
2667         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
2668         Change all uses.
2669         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
2670         * graphite.h (struct name_tree_d): Rename from struct name_tree.
2671         Change all uses.
2672         (struct sese_d): Rename from struct sese.  Change all uses.
2673         * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
2674         (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
2675         * optabs.h (struct optab_d): Rename from struct optab.  Change all
2676         uses.
2677         (struct convert_optab_d): Rename from struct convert_optab.
2678         Change all uses.
2679         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
2680         ipa_opt_pass.  Change all uses.
2681         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
2682         all uses.
2683
2684         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
2685         defined as a typedef.
2686         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
2687         defined as a tag.
2688
2689 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2690
2691         PR 16302
2692         * fold-const.c (make_range,build_range_check,merge_ranges): Move
2693         declaration to...
2694         (merge_ranges): Returns bool.
2695         * tree.h (make_range): .. to here.
2696         (build_range_check): Likewise.
2697         (merge_ranges): Likewise. Renamed from merge_ranges.
2698         * c-typeck.c (parser_build_binary_op): Update calls to
2699         warn_logical_operator.
2700         * c-common.c (warn_logical_operator): Add new warning.
2701         * c-common.h (warn_logical_operator): Update declaration.
2702
2703 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2704
2705         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.
2706
2707 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2708
2709         * doc/install.texi: Document MPC requirements, flags etc.
2710
2711         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
2712         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
2713         Evaluate constant arguments.
2714         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
2715         (fold_builtin_1): Likewise, also evaluate constant arguments.
2716         Remove superfluous break.
2717         (do_mpc_ckconv): New.
2718         * real.h: Include mpc.h.
2719         * toplev.c (print_version): Output MPC version info if available.
2720
2721 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
2722
2723         * fold-const.c (fold_convert_const_real_from_real): Check for overflow.
2724
2725 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2726
2727         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
2728         only once.
2729
2730 2009-05-15  Jan Hubicka  <jh@suse.cz>
2731
2732         * doc/invoke.texi (max-early-inliner-iterations): New flag.
2733         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
2734         (try_inline): Fix return value.
2735         (cgraph_decide_inlining_incrementally): Honor new value.
2736         (cgraph_early_inlining): Handle indirect inlining.
2737         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
2738
2739 2009-05-15  Jan Hubicka  <jh@suse.cz>
2740
2741         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
2742         * cgraphunit.c (cgraph_finalize_function): Set it.
2743         (cgraph_expand_function): Use it.
2744
2745 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
2746
2747         * real.c (encode_ieee_half): Define.
2748         (decode_ieee_half): Define.
2749         (ieee_half_format): Define.
2750         (arm_half_format): Define.
2751         * real.h (ieee_half_format): Declare.
2752         (arm_half_format): Declare.
2753
2754 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
2755
2756         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
2757         swapped, and reversed optabs exist before trying to use them.
2758
2759 2009-05-15  Paul Brook  <paul@codesourcery.com>
2760             Sandra Loosemore  <sandra@codesourcery.com>
2761
2762         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
2763         loads.  Allow PRE_DEC.
2764         (output_move_neon): Handle PRE_DEC.
2765         (arm_print_operand): Add 'A' for neon structure loads.
2766         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
2767         * config/arm/neon.md (neon_mov): Update comment.
2768         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
2769         calls.
2770         (Um): New constraint.
2771
2772 2009-05-15  Jan Hubicka  <jh@suse.cz>
2773
2774         Revert the following patch until testsuite fallout is fixed:
2775         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
2776         * cgraph.h (struct inline_summary): New filed self_wize,
2777         size_inlining_benefit, self_time and time_inlining_benefit.
2778         (struct cgraph_global_info): Replace insns by time ans size fields.
2779         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
2780         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
2781         (ipcp_update_callgraph): Do not touch function bodies.
2782         * ipa-inline.c: Include except.h
2783         (MAX_TIME): New constant.
2784         (overall_insns): Remove
2785         (overall_size, max_benefit): New static variables.
2786         (cgraph_estimate_time_after_inlining): New function.
2787         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
2788         (cgraph_clone_inlined_nodes): Update size.
2789         (cgraph_mark_inline_edge): Update size.
2790         (cgraph_estimate_growth): Use size info.
2791         (cgraph_check_inline_limits): Check size.
2792         (cgraph_default_inline_p): Likewise.
2793         (cgraph_edge_badness): Compute badness based on benefit and size cost.
2794         (cgraph_decide_recursive_inlining): Check size.
2795         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
2796         and times.
2797         (cgraph_decide_inlining): Likewise.
2798         (cgraph_decide_inlining_incrementally): Likewise; honor
2799         PARAM_EARLY_INLINING_INSNS.
2800         (likely_eliminated_by_inlining_p): New predicate.
2801         (estimate_function_body_sizes): New function.
2802         (compute_inline_parameters): Use it.
2803         * except.c (must_not_throw_labels): New function.
2804         * except.h (must_not_throw_labels): Declare.
2805         * tree-inline.c (init_inline_once): Kill inlining_weigths
2806         * tree-ssa-structalias.c: Avoid uninitialized warning.
2807         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
2808         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
2809         (PARAM_INLINE_CALL_COST): Remove.
2810         (PARAM_EARLY_INLINING_INSNS): New.
2811
2812 2009-05-15  Richard Guenther  <rguenther@suse.de>
2813
2814         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
2815         not TODO_update_ssa.
2816
2817 2009-05-15  Richard Guenther  <rguenther@suse.de>
2818
2819         PR tree-optimization/39999
2820         * gimple.h (gimple_expr_type): Use the expression type looking
2821         through useless conversions.
2822         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
2823         (vn_nary_op_insert_stmt): Likewise.
2824         (simplify_binary_expression): Likewise.
2825
2826 2009-05-15  Richard Guenther  <rguenther@suse.de>
2827
2828         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
2829         New options, enabled by default.
2830         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
2831         Document.
2832         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
2833         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
2834         * tree-ssa-structalias.c (gate_tree_pta): New function.
2835         (pass_build_alias): Use it.
2836
2837 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
2838
2839         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
2840         recurse on an invariant address if a conversion from a pointer
2841         type to a wider integer type is involved.
2842
2843 2009-05-15  Jan Hubicka  <jh@suse.cz>
2844
2845         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
2846         * cgraph.h (struct inline_summary): New filed self_wize,
2847         size_inlining_benefit, self_time and time_inlining_benefit.
2848         (struct cgraph_global_info): Replace insns by time ans size fields.
2849         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
2850         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
2851         (ipcp_update_callgraph): Do not touch function bodies.
2852         * ipa-inline.c: Include except.h
2853         (MAX_TIME): New constant.
2854         (overall_insns): Remove
2855         (overall_size, max_benefit): New static variables.
2856         (cgraph_estimate_time_after_inlining): New function.
2857         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
2858         (cgraph_clone_inlined_nodes): Update size.
2859         (cgraph_mark_inline_edge): Update size.
2860         (cgraph_estimate_growth): Use size info.
2861         (cgraph_check_inline_limits): Check size.
2862         (cgraph_default_inline_p): Likewise.
2863         (cgraph_edge_badness): Compute badness based on benefit and size cost.
2864         (cgraph_decide_recursive_inlining): Check size.
2865         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
2866         and times.
2867         (cgraph_decide_inlining): Likewise.
2868         (cgraph_decide_inlining_incrementally): Likewise; honor
2869         PARAM_EARLY_INLINING_INSNS.
2870         (likely_eliminated_by_inlining_p): New predicate.
2871         (estimate_function_body_sizes): New function.
2872         (compute_inline_parameters): Use it.
2873         * except.c (must_not_throw_labels): New function.
2874         * except.h (must_not_throw_labels): Declare.
2875         * tree-inline.c (init_inline_once): Kill inlining_weigths
2876         * tree-ssa-structalias.c: Avoid uninitialized warning.
2877         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
2878         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
2879         (PARAM_INLINE_CALL_COST): Remove.
2880         (PARAM_EARLY_INLINING_INSNS): New.
2881         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
2882         (inline-call-cost): Remove.
2883         (early-inlining-insns): New.
2884
2885 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
2886
2887         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
2888         for bounds.
2889         (print_int_cst_bounds_in_octal_p): Likewise.
2890         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
2891         with subtypes.
2892         * dwarf2out.c (base_type_die): Likewise.
2893         (is_subrange_type): Delete.
2894         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
2895         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
2896         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it
2897         if the destination type is boolean.
2898         (build_range_check): Do not special-case subtypes.
2899         (fold_sign_changed_comparison): Likewise.
2900         (fold_unary): Likewise.
2901         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
2902         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
2903         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
2904         * tree.c (subrange_type_for_debug_p): New predicate based on the
2905         former is_subrange_type.
2906         * tree.h (subrange_type_for_debug_p): Declare.
2907         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
2908         (convert_affine_scev): Remove call to above function.
2909         (chrec_convert_aggressive): Likewise.
2910         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
2911         false for conversions involving subtypes.
2912         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
2913         (vrp_val_min): Likewise.
2914         (needs_overflow_infinity): Likewise.
2915         (extract_range_from_unary_expr): Likewise.
2916
2917 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
2918
2919         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
2920         * config/frv/frv.c: Likewise.
2921         * config/s390/s390.c: Likewise.
2922         * config/sparc/sparc.h: Likewise.
2923         * config/i386/i386.h: Likewise.
2924         * config/i386/i386.c: Likewise.
2925         * config/crx/crx.c: Likewise.
2926         * config/m68hc11/m68hc11.h: Likewise.
2927         * config/iq2000/iq2000.c: Likewise.
2928         * config/mn10300/mn10300.h: Likewise.
2929         * config/mn10300/mn10300.c: Likewise.
2930         * config/m68k/m68k.c: Likewise.
2931         * config/rs6000/rs6000.c: Likewise.
2932         * config/rs6000/xcoff.h: Likewise.
2933         * config/rs6000/linux64.h: Likewise.
2934         * config/rs6000/sysv4.h: Likewise.
2935         * config/score/score3.c: Likewise.
2936         * config/score/score7.c: Likewise.
2937         * config/score/score.c: Likewise.
2938         * config/arm/arm.md: Likewise.
2939         * config/mips/mips.c: Likewise.
2940         * config/mips/mips.md: Likewise.
2941         * config/bfin/bfin.h: Likewise.
2942         * config/pa/pa.c: Likewise.
2943         * config/pa/constraints.md: Likewise.
2944
2945         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
2946         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
2947         * config/pdp11/pdp11.h: Use memory_address_p instead.
2948
2949 2009-05-14  Ian Lance Taylor  <iant@google.com>
2950
2951         * passes.c (finish_optimization_passes): Change i to int.
2952         * plugin.c (plugins_active_p): Change event to int.
2953         (dump_active_plugins): Likewise.
2954         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
2955         Add cast.
2956         * tree.c (tree_range_check_failed): Change c to unsigned int.
2957         (omp_clause_range_check_failed): Likewise.
2958         (build_common_builtin_nodes): Change mode to int.  Add cast.
2959         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
2960         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
2961
2962         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
2963         ++ or -- with a variable of enum type.
2964
2965 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
2966
2967         PR driver/40144
2968         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
2969
2970 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
2971
2972         * store-motion.c: Do not include params.h
2973         * Makefile.in: Fix dependencies for various files.
2974
2975 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
2976
2977         * auto-inc-dec.c: Fix pass description, remove apparent
2978         accidental duplication.
2979
2980 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
2981
2982         PR middle-end/40147
2983         * ipa-utils.h (memory_identifier_string): Moved to ...
2984         * tree.h (memory_identifier_string): Here.  Add GTY(()).
2985
2986 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
2987
2988         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
2989         in the former documentation of...
2990         (GO_IF_LEGITIMATE_ADDRESS): ... this.
2991         * ira-conflicts.c (get_dup_num): Use address_operand.
2992         * targhooks.c (default_legitimate_address_p): New.
2993         * targhooks.h (default_legitimate_address_p): New.
2994         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
2995         Call hook.
2996         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
2997         * target.h (struct target): Add legitimate_address_p.
2998         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
2999         (TARGET_INITIALIZER): Include it.
3000
3001         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3002         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
3003         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
3004         (TARGET_LEGITIMATE_ADDRESS_P): New.
3005
3006         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3007         (REG_OK_STRICT_P): Delete.
3008         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
3009         (frv_legitimate_address_p_1): ... this.
3010         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
3011         (frv_legitimate_address_p_1): ... the renamed old
3012         frv_legitimate_address_p.
3013         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
3014         (TARGET_LEGITIMATE_ADDRESS_P): New.
3015
3016         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3017         * config/s390/s390-protos.h (legitimate_address_p): Remove.
3018         * config/s390/s390.c (legitimate_address_p): Rename to...
3019         (s390_legitimate_address_p): ... this, make static.
3020         (legitimize_address): Adjust call.
3021         (TARGET_LEGITIMATE_ADDRESS_P): New.
3022         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
3023
3024         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3025         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
3026         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
3027         (TARGET_LEGITIMATE_ADDRESS_P): New.
3028
3029         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3030         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
3031         * config/spu/spu.c (spu_legitimate_address): Rename to...
3032         (spu_legitimate_address_p): ... this, make static.
3033         (TARGET_LEGITIMATE_ADDRESS_P): New.
3034
3035         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3036         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
3037         * config/sparc/sparc.c (legitimate_address_p): Rename to...
3038         (sparc_legitimate_address_p): ... this, make static and return bool.
3039         (legitimize_address): Adjust call.
3040         (TARGET_LEGITIMATE_ADDRESS_P): New.
3041
3042         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3043         * config/i386/i386-protos.h (legitimate_address_p): Remove.
3044         * config/i386/i386.c (legitimate_address_p): Rename to...
3045         (ix86_legitimate_address_p): ... this, make static.
3046         (constant_address_p): Move after it, adjust call.
3047         (TARGET_LEGITIMATE_ADDRESS_P): New.
3048
3049         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3050         * config/avr/avr-protos.h (legitimate_address_p): Remove.
3051         * config/avr/avr.c (legitimate_address_p): Rename to...
3052         (avr_legitimate_address_p): ... this, make static.
3053         (legitimize_address): Adjust call.
3054         (TARGET_LEGITIMATE_ADDRESS_P): New.
3055
3056         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3057         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
3058         * config/crx/crx.c (crx_legitimate_address_p): Make static.
3059         (TARGET_LEGITIMATE_ADDRESS_P): New.
3060
3061         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3062         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
3063         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
3064         (TARGET_LEGITIMATE_ADDRESS_P): New.
3065
3066         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3067         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
3068         Remove.
3069         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
3070         Make static.
3071         (TARGET_LEGITIMATE_ADDRESS_P): New.
3072
3073         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3074         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
3075         Remove.
3076         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
3077         Rename to...
3078         (m68hc11_legitimate_address_p): ... this, make static.
3079         (go_if_legitimate_address_internal): Rename to...
3080         (m68hc11_legitimate_address_p_1): ... this.
3081         (legitimize_address): Adjust call.
3082         (TARGET_LEGITIMATE_ADDRESS_P): New.
3083
3084         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3085         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
3086         * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
3087         (TARGET_LEGITIMATE_ADDRESS_P): New.
3088
3089         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3090         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
3091         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
3092         (mn10300_legitimate_address_p): ... this, make static.
3093         (TARGET_LEGITIMATE_ADDRESS_P): New.
3094
3095         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3096         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
3097         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
3098         (TARGET_LEGITIMATE_ADDRESS_P): New.
3099
3100         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3101         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
3102         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
3103         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3104         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
3105         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
3106         (rs6000_legitimate_address_p): ... this, make static.
3107         (TARGET_LEGITIMATE_ADDRESS_P): New.
3108         (REG_MODE_OK_FOR_BASE_P): Delete.
3109         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
3110
3111         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3112         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
3113         Delete.
3114         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
3115         static, adjust types.
3116         (TARGET_LEGITIMATE_ADDRESS_P): New.
3117
3118         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3119         * config/score/score.c (score_address_p): Rename to...
3120         (score_legitimate_address_p): ... this.
3121         (TARGET_LEGITIMATE_ADDRESS_P): New.
3122         * config/score/score3.c (score3_address_p): Rename to...
3123         (score3_legitimate_address_p): ... this.
3124         * config/score/score7.c (score7_address_p): Rename to...
3125         (score7_legitimate_address_p): ... this.
3126
3127         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
3128         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
3129         GO_IF_LEGITIMATE_ADDRESS): Delete.
3130         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
3131         thumb2_legitimate_address_p): Delete.
3132         (arm_legitimate_address_p): Rename to...
3133         (arm_legitimate_address_outer_p): ... this.
3134         * config/arm/constraints.md ("Uq"): Adjust call.
3135         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
3136         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one
3137         to...
3138         (arm_legitimate_address_outer_p): ... this.
3139         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make
3140         static.
3141         (TARGET_LEGITIMATE_ADDRESS_P): New.
3142
3143         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3144         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
3145         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
3146         (TARGET_LEGITIMATE_ADDRESS_P): New.
3147
3148         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3149         * config/vax/vax-protos.h (legitimate_address_p): Remove.
3150         * config/vax/vax.c (legitimate_address_p): Rename to...
3151         (vax_legitimate_address_p): ... this, make static.
3152         (TARGET_LEGITIMATE_ADDRESS_P): New.
3153
3154         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3155         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
3156         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
3157         (TARGET_LEGITIMATE_ADDRESS_P): New.
3158
3159         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3160         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
3161         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
3162         (mmix_legitimate_address_p): ... this, make static.
3163         (TARGET_LEGITIMATE_ADDRESS_P): New.
3164
3165         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3166         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
3167         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
3168         (TARGET_LEGITIMATE_ADDRESS_P): New.
3169
3170 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
3171
3172         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
3173         of MODE_COMPLEX_INT.
3174
3175 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3176
3177         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
3178         LCT_NORMAL in function call.
3179         * mips-tdump.c (print_file_desc): Add cast to enum type.
3180         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
3181         (mark_stabs): Add casts to enum types.
3182         (parse_stabs_common): Add casts to enum types.
3183
3184 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
3185
3186         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
3187         Check for invalid values of LETTER.
3188
3189 2009-05-13  Taras Glek  <tglek@mozilla.com>
3190
3191         * attribs.c (register_attribute): moved out attribute registration
3192         into register_attribute.
3193         * doc/plugins.texi: Documented register_attribute and
3194         PLUGIN_ATTRIBUTES.
3195         * gcc-plugin.h: Added forward decl for register_attribute.
3196         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
3197         * plugin.c (register_callback, invoke_plugin_callbacks): Added
3198         PLUGIN_ATTRIBUTES boilerplate.
3199
3200 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
3201
3202         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
3203         values even in sentinel and empty entries.
3204         (ms_printf_flag_specs):  Likewise.
3205         (ms_scanf_flag_specs):  Likewise.
3206         (ms_strftime_flag_specs):  Likewise.
3207         (ms_print_char_table):  Likewise.
3208         (ms_scan_char_table):  Likewise.
3209         (ms_time_char_table):  Likewise.
3210
3211 2009-05-13  Doug Kwan  <dougkwan@google.com>
3212
3213         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
3214
3215 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
3216
3217         * config/mips/mips.md (store): Add attributes for QI and HI.
3218         Update comment.
3219         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
3220         (truncdi<mode>2): ... this new pattern.
3221
3222 2009-05-13  Brad Hards  <bradh@kde.org>
3223
3224         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
3225
3226 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
3227             Ben Elliston <bje@au.ibm.com>
3228
3229         PR middle-end/40035
3230         * dse.c (check_mem_read_rtx): Guard against width == -1.
3231
3232 2009-05-13  Michael Matz  <matz@suse.de>
3233
3234         PR middle-end/39976
3235         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
3236         (trivially_conflicts_p): New function.
3237         (insert_backedge_copies): Use it.
3238
3239 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
3240
3241         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
3242         (handle_stdc_pragma): Use new enum constant names.
3243         (handle_pragma_float_const_decimal64): Ditto.
3244
3245 2009-05-13  Ian Lance Taylor  <iant@google.com>
3246
3247         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
3248         tree.def.
3249
3250 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
3251
3252         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
3253         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
3254         multilibs.
3255         * config/m68k/m68k.h (FL_UCLINUX): Define.
3256
3257 2009-05-13  Jan Hubicka  <jh@suse.cz>
3258
3259         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
3260
3261 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
3262
3263         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
3264         unless -fschedule-insns is specified.
3265
3266 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
3267
3268         PR target/39561
3269         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
3270         TARGET_EXPAND_CBRANCHDI4.
3271         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
3272         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
3273         (cmpeqdi): Fix comment.
3274
3275 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
3276
3277         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
3278         (sh_legitimate_address_p): Likewise.
3279         * config/sh/sh.c (sh_legitimate_index_p): New.
3280         (sh_legitimate_address_p): Likewise.
3281         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
3282         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
3283         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
3284         (MAYBE_BASE_REGISTER_RTX_P): New macro.
3285         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
3286         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
3287         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
3288         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
3289         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
3290
3291 2009-05-12  Jan Hubicka  <jh@suse.cz>
3292
3293         * tree-inline.c (estimate_operator_cost): Add operands;
3294         when division happens by constant, it is cheap.
3295         (estimate_num_insns): Loads and stores are not having cost of 0;
3296         EH magic stuff is cheap; when computing runtime cost of switch,
3297         use log2 base of amount of its cases; builtin_expect has cost of 0;
3298         compute cost for moving return value of call.
3299         (init_inline_once): Initialize time_based flags.
3300         * tree-inline.h (eni_weights_d): Add time_based flag.
3301
3302 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
3303
3304         * df-core.c: Update head documentation.
3305
3306 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3307
3308         PR bootstrap/40118
3309         * rs6000.c (rs6000_generate_compare): Use op1b instead of
3310         shadowing exisiting variable op1.
3311
3312 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
3313
3314         PR target/37179
3315         * config/i386/driver-i386.c (processor_signatures): New enum.
3316         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
3317         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
3318         processor signature to detect geode processor.
3319
3320 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
3321
3322         Revert:
3323
3324         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
3325
3326         * optabs.c (prepare_cmp_insn): Temporarily disable test that
3327         causes spurious differences between trunk and cond-optab branch.
3328
3329 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
3330
3331         * dojump.c (compare_from_rtx): Delete.
3332         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
3333         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
3334         if the comparison does not satisfy the predicate; test predicates for
3335         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
3336         further if one existing pattern fails.
3337         * expr.h (compare_from_rtx): Delete.
3338         (prepare_operand): Declare it.
3339         * optabs.c: Change "lib call" to "libcall" throughout.
3340         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
3341         HAVE_conditional_trap, emit_cmp_insn): Delete.
3342         (can_compare_p): Delete cmp_optab case.
3343         (prepare_float_lib_cmp): Return an rtx and a machine mode.
3344         Accept other parameters by value.
3345         (prepare_operand): Make non-static.
3346         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
3347         other parameters by value.  Try to widen operands here based on
3348         an optab_methods argument and looking at cbranch_optab.
3349         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
3350         loop.  Use cbranch_optab directly.
3351         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
3352         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
3353         assertion.
3354         (emit_conditional_move, emit_conditional_add): Inline what's needed
3355         of compare_from_rtx, using new prepare_cmp_insn for the rest.
3356         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
3357         with COMPARE.  Move cmov_optab and cstore_optab above
3358         with cbranch_optab, move cmp_optab down with ucmp_optab,
3359         remove tst_otpab.  Do not initialize trap_rtx.
3360         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
3361         for trap code.  Do not check HAVE_conditional_trap.  Use
3362         prepare_cmp_insn.  Accept no predicate for operand 3.
3363         * optabs.h (OTI_cmp): Mark as used only for libcalls.
3364         (OTI_ctrap, ctrap_optab): New.
3365         (tst_optab): Delete.
3366         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
3367         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
3368         with lookup of ctrap_optab.
3369         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn, setcc_gen_code):
3370         Delete.
3371         (ctrap_optab): New.
3372
3373         * combine.c (combine_simplify_rtx, simplify_set): Do not
3374         special case comparing against zero for cc0 machines.
3375         * simplify-rtx.c (simplify_binary_operation_1): Never remove
3376         COMPARE on cc0 machines.
3377         (simplify_relational_operation): Return a new expression when
3378         a COMPARE could be removed.
3379         * final.c (final_scan_insn): Compare cc_status values
3380         against LHS of a (compare FOO (const_int 0)) cc0 source.
3381         Also check if cc_status.value is the full compare.
3382
3383         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
3384         (cstoreMM4): Document.
3385         (conditional_trap): Document ctrapMM4 instead.
3386         (sync_compare_and_swapMM): Refer to cbranchcc4.
3387         (Dependent Patterns): Eliminate obsolete information referring to
3388         the old jump optimization phase.
3389         (Canonicalization): Include cbranchcc4 case, omit canonicalization
3390         of compares with 0 on cc0 machines.
3391         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
3392         avoiding references to cc0.  Remove text about storing operands
3393         in cmpMM.
3394         * doc/tm.texi (Condition Codes): Include blurb on different
3395         condition code representations, separate into subsections for
3396         CC0, MODE_CC and conditional execution.
3397
3398         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
3399         alpha_emit_setcc): Accept operands and a machine mode.
3400         * config/alpha/alpha.c (alpha_emit_conditional_branch):
3401         Get code/op0/op1 from operands, use machine mode argument
3402         instead of alpha_compare.fp_p.  Emit the branch here.
3403         (alpha_emit_setcc): Likewise, and return boolean.
3404         (alpha_emit_conditional_move): Likewise.  Assert that
3405         cmp_op_mode == cmp_mode, and simplify accordingly.
3406         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
3407         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
3408         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
3409         Delete.
3410         (stack probe test): Use cbranchdi4.
3411         * config/alpha/predicates.md (alpha_cbranch_operator): New.
3412
3413         * config/arc/arc.c (gen_compare_reg): Do not emit cmp.
3414         * config/arc/arc.h (movsicc, movsfcc): Use it.
3415         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
3416         (cbranchsi4, cstoresi4): New.
3417         (cmpsi, bCC and sCC expanders): Remove.
3418
3419         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
3420         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
3421         * config/arm/predicates.md (arm_comparison_operator): Only include
3422         floating-point operators if there is a hardware floating-point unit.
3423         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
3424         deferring to cbranch_cc and cstore_cc respectively.
3425         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
3426         cbranch_cc, cstore_cc): New.
3427         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
3428         arm_compare_op1.
3429         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
3430
3431         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
3432         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
3433         as an argument.
3434         (adjust_insn_length): Adjust calls.
3435         (avr_reorg): Handle (compare (foo) (const_int 0)).
3436         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
3437         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
3438         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
3439         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
3440         (bCC): Remove.
3441         (cbranchqi4, cbranchhi4, cbranchsi4): New.
3442         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
3443
3444         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
3445         (cbranchsi4, cstorebi4, cstoresi4): New.
3446         (movbisi): This insn is duplicate, split it to zero_extend.
3447         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
3448         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
3449         (bfin_optimize_loop): Use cbranch expander.
3450         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
3451         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
3452         (bfin_bimode_comparison_operator): ... this.
3453         (bfin_direct_comparison_operator): New.
3454
3455         * config/cris/cris.c (cris_normal_notice_update_cc): Look
3456         inside (compare FOO (const_int 0)).
3457         (cris_rtx_costs): Handle ZERO_EXTRACT.
3458         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
3459         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
3460         (*tstdi_v32): Delete.
3461         (*cmpdi_non_v32): Add M alternative for operand 1.
3462         (cmpsi, cmp<mode>): Make private.
3463         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
3464         with COMPARE.
3465         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
3466
3467         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
3468         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
3469         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
3470         (cc_reg_operand): New.
3471         (any_cond): Delete.
3472         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
3473         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
3474         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
3475         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
3476         crx_expand_scond): Delete.
3477
3478         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
3479         (cbranchsi4): New.
3480         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
3481         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
3482
3483         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
3484         cstoresi4, cstoresf4, cstoredf4): New.
3485         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
3486         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
3487         Receive the entire operands array.
3488         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
3489         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
3490         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
3491         Get test/op0/op1 from the operands array.
3492         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
3493
3494         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
3495         (h8300_expand_store): New.
3496         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
3497         (const_int 0)).
3498         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
3499         (h8300_expand_store): New.
3500         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
3501         or do not try to produce (set (cc0) REG).
3502         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
3503         change a compare into a move to a scratch register.  Disable some
3504         peepholes when comparing with zero.
3505         (tstsi, tsthi, tstsi, cmpqi): Make private.
3506         (cmphi): Delete.
3507         (bCC, sCC): Delete.
3508         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
3509         cstoresi4): New.
3510
3511         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
3512         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
3513         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
3514         (ix86_emit_i387_log1p): Use cbranchxf2.
3515         (ix86_expand_setcc): Return void.
3516         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
3517         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
3518         cmp<MODEF>, cmpcc): Remove.
3519         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
3520         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
3521         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
3522         (sCC and bCC expanders): Remove.
3523         (stack_protect_test): Use cbranchcc4.
3524
3525         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
3526         Delete.
3527         (ia64_expand_compare): Accept three rtx by reference and return void.
3528         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
3529         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
3530         from *expr.  Update *expr with the BImode comparison to do.
3531         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
3532         cmptf, bCC, sCC, conditional_trap): Delete.
3533         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4,
3534         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
3535         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
3536         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
3537         * config/ia64/predicates.md (ia64_cbranch_operator): New.
3538
3539         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
3540         type of last argument.
3541         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
3542         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
3543         use machine mode argument instead of branch_type.  Remove dead
3544         code for floating-point comparisons.
3545         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
3546         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
3547         Remove.
3548         (cbranchsi4, cstoresi4): New.
3549         * config/iq2000/predicates.md (reg_or_const_operand): New.
3550
3551         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
3552         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
3553         (b<code>_op): Rewrite to...
3554         (bcc_op): ... this, using match_operator.
3555         (s<code>_op): Rewrite to...
3556         (scc_op): ... this, using match_operator.
3557         (s<code>_24_op): Rewrite to...
3558         (scc_op_24): ... this, using match_operator.
3559         (s<code>_<mode>): Rewrite to...
3560         (cstore<mode>4): ... this, using match_operator.
3561         (s<code>_<mode>_24): Rewrite to...
3562         (cstore<mode>4_24): ... this, using match_operator.
3563         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
3564         m32c_unpend_compare, m32c_expand_scc): Delete.
3565         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
3566         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
3567         (m32c_expand_movcc): Change NE to EQ if necessary.
3568         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
3569
3570         * config/m32r/m32r-protos.h (gen_cond_store): New.
3571         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
3572         (gen_cond_store): New, from sCC patterns.
3573         (m32r_expand_block_move): Use cbranchsi4.
3574         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
3575         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
3576         (cbranchsi4, cstoresi4): New.
3577
3578         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
3579         Delete.
3580         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
3581         (m68hc11_notice_update_cc): Look into a compare with 0.
3582         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
3583         Delete.
3584         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
3585         cmphi, cmpqi, bCC): Delete.
3586         (cbranchsi4, cbranchhi4, cbranchqi4): New.
3587         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
3588         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
3589         sets with COMPARE.
3590
3591         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
3592         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
3593         * config/m68k/constraints.md (H): New.
3594         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
3595         the define_insn below.
3596         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
3597         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
3598         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
3599         patterns): Wrap RHS with COMPARE.
3600         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
3601         (*cmpdi_internal): Name this pattern.
3602         (cmpdi): Change to define_insn.
3603         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
3604         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
3605         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
3606         predicate.
3607         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
3608         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
3609         (conditional_trap): Change to...
3610         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
3611         (*conditional_trap): Use the ordered_comparison_operator and
3612         const1_operand predicates.
3613         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
3614         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
3615         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
3616         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
3617
3618         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
3619         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
3620         (mcore_gen_compare): New.
3621         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
3622         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
3623         (mcore_gen_compare): ... this.
3624         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
3625         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
3626         (stack probe pattern): Use cbranchsi4.
3627
3628         * config/mips/predicates.md (mips_cstore_operator): New.
3629         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
3630         * config/mips/mips.md (any_cond): Delete.
3631         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
3632         always succeed.
3633         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
3634         fixuns_truncsfdi2): Use cbranch patterns.
3635         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete.
3636         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
3637         Adjust call to mips_expand_conditional_branch.
3638         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
3639         cstore<GPR:mode>4.
3640         * config/mips/mips-protos.h (mips_expand_conditional_branch,
3641         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
3642         * config/mips/mips.c (cmp_operands): Delete.
3643         (mips_emit_compare): Get comparison operands from *op0/*op1.
3644         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
3645         that it succeeds.  Use op0/op1 instead of cmp_operands.
3646         (mips_expand_conditional_branch, mips_expand_conditional_move,
3647         mips_expand_conditional_trap): Likewise.
3648         (mips_block_move_loop): Use cbranch patterns.
3649         * config/mips/mips.h (cmp_operands): Delete.
3650
3651         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
3652         (mmix_gen_compare_reg): Just return a register in the right CC mode.
3653         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
3654         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
3655         (*cmpcc_folded): Rename to...
3656         (*cmpdi_folded): this.
3657         (*cmpcc): Rename to...
3658         (*cmps): ... this.
3659         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
3660         (bCC): Remove.
3661         (cbranchdi4): New.
3662         (cbranchdf4): New.  Handle invalid comparisons here.
3663         * config/mmix/predicates.md (float_comparison_operator): New.
3664
3665         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
3666         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
3667         * config/mn10300/mn10300.md (tst): Delete.
3668         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
3669         Name these patterns and wrap RHS in a compare.
3670         (*cmpsi): Make this pattern private.  Include tst.
3671         (*cmpsf): Make this pattern private.
3672         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
3673         (compare with zero peepholes): Likewise.
3674         (bCC): Remove.
3675         (cbranchsi4, cbranchsf4): New.
3676         (casesi): Use cbranchsi4.
3677
3678         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
3679         hppa_branch_type): Delete.
3680         (return_addr_rtx): Use cbranchsi4.
3681         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
3682         Emit CCFPmode comparison here.
3683         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
3684         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
3685         hppa_branch_type): Delete.
3686         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
3687         (movsicc, movdicc): Remove references to hppa_compare_op0,
3688         hppa_compare_op1 and compare_from_rtx.
3689         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
3690         (casesi): Use cbranchsi4.
3691
3692         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
3693         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
3694         * config/pdp11/pdp11.md (register_or_const0_operand): New.
3695         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
3696         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
3697         (bCC): Delete.
3698         (cbranchdf4, cbranchhi4, cbranchqi4): New.
3699         (*branch, *branch_inverted): New.
3700
3701         * config/picochip/picochip.md (cbranchhi4): Use
3702         ordered_comparison_operator.
3703         (cmphi, bCC): Remove.
3704
3705         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
3706         (trap_comparison_operator): Delete.
3707         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
3708         rs6000_emit_cbranch): Accept mode and operands.
3709         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
3710         rs6000_compare_fp_p): Delete.
3711         (rs6000_generate_compare): Accept mode and comparison.  Extract code
3712         and op0/op1 from there.  Replace references to rs6000_compare_op0
3713         and rs6000_compare_op1.
3714         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
3715         extract result from passed operands.
3716         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
3717         extract loc from passed operands.
3718         (rs6000_emit_cmove): Likewise.
3719         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
3720         rs6000_compare_fp_p): Delete.
3721         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
3722         (cbranch<GPR>4, cbranch<FP>4): New.
3723         (cstore<mode>4): New.  Consolidate here all choices about when to use
3724         portable or specialized sCC sequences.
3725         (stack_protect_test): Use cbranchsi4.
3726         (conditional_trap): Replace with ctrap<GPR>4.
3727         (conditional trap insn): Replace trap_comparison_operator with
3728         ordered_comparison_operator.
3729
3730         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
3731         (s390_emit_prologue): Use ctrap.
3732         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
3733         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
3734         New predicates replacing...
3735         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
3736         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
3737         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
3738         (add<mode>cc): Do not use s390_compare_op0/op1.
3739         (s<code>): Change to...
3740         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
3741         (seq): Change to...
3742         (cstorecc4): ... this.  Handle EQ or NE equally.
3743         (*sne): Un-privatize for use in cstorecc4.
3744         (b<code>): Change to...
3745         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
3746         (conditional_trap): Replace with...
3747         (ctrap<GPR>4, ctrap<FP>4): ... these.
3748         (stack_protect): Use cbranchcc4.
3749
3750         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
3751         * config/score/score-protos.h (score_gen_cmp): Delete.
3752         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
3753         (score_block_move-loop): Use cbranchsi4.
3754         * config/score/score.md (cbranchsi4): New.
3755         (cmpsi, bCC): Delete.
3756         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
3757         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
3758         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
3759         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
3760         * config/score/score3.h (score3_gen_cmp): Delete.
3761         * config/score/score7.h (score7_gen_cmp): Delete.
3762
3763         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
3764         (sh_emit_scc_to_t): ... this.  Return void.
3765         (from_compare): Rename to...
3766         (sh_emit_compare_and_branch): ... this.
3767         (sh_emit_compare_and_set): New.
3768         (sh_expand_t_scc): Accept operands.
3769         * config/sh/predicates.md (sh_float_comparison_operator): New.
3770         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
3771         (prepare_scc_operands): Rename to...
3772         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
3773         arguments.
3774         (sh_emit_cheap_store_flag): New.
3775         (sh_emit_set_t_insn): New.
3776         (from_compare): Rename to...
3777         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
3778         handling of TARGET_SH2E floating point to avoid recursive call.
3779         Generate branch here.
3780         (sh_emit_compare_and_set): New.
3781         (sh_expand_t_scc): Get op0/op1 from arguments.
3782         (sh_emit_cheap_store_flag): New.
3783         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
3784         cases.
3785         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
3786         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
3787         (movsicc, movdicc): Do nothing when it recreated operands from
3788         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
3789         prepare_scc_operands (now sh_emit_scc_to_t).
3790         (udivdi3): Use cstoresi4.
3791         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
3792         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
3793         (cbranchint4_media, cbranchfp4_media): New.
3794         (casesi): Use cbranchdi4.
3795         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
3796         Delete.
3797         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
3798         (movnegt): Remove second operand.
3799         (cbranchsf4, cbranchdf4): New.
3800         (stack_protect): Use cbranchdi4/cbranchsi4.
3801
3802         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
3803         (gen_compare_reg): Accept comparison, extract part of it to...
3804         (gen_compare_reg_1): ... this.
3805         (gen_compare_operator): Delete.
3806         (gen_v9_scc): Accept separate destination, comparison code and arms.
3807         Do not use sparc_compare_op0/sparc_compare_op1.
3808         (emit_scc_insn, emit_conditional_branch_insn): New.
3809         (emit_v9_brxx): Make static.  Remove useless assertion.
3810         (sparc_emit_float_lib_cmp): Return RTL instead of calling
3811         emit_cmp_insn.
3812         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
3813         * config/sparc/sparc-protos.h (gen_compare_reg,
3814         sparc_emit_float_lib_cmp): Adjust prototype.
3815         (emit_scc_insn, emit_conditional_branch_insn): New.
3816         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
3817         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
3818         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
3819         iterators to the top.
3820         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
3821         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
3822         snedi_special_trunc): Delete.
3823         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
3824         and snedi_special_trunc.
3825         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
3826         cbranchdi4, cbranch<F:mode>4): New.
3827         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
3828         here.  Use gen_compare_reg instead of gen_compare_operator.
3829         (conditional_trap): Replace with...
3830         (ctrapsi4, ctrapdi4): ... this.
3831         (stack_protect_test): Use cbranchcc4.
3832
3833         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
3834         argument to rtx.
3835         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove.
3836         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
3837         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
3838         from operands[0] or operands[3] depending on is_set.
3839         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
3840         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
3841         cmpdf, bCC), sCC: Remove.
3842         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4,
3843         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
3844         cstoredf4): New.
3845         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
3846         spu_emit_branch_or_set.
3847
3848         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
3849         Add two arguments.
3850         * config/stormy16/stormy16.h (xstormy16_compare_op0,
3851         xstormy16_compare_op1): Delete.
3852         * config/stormy16/stormy16.c (xstormy16_compare_op0,
3853         xstormy16_compare_op1): Delete.
3854         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
3855         Adjust calls.
3856         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
3857         (cmphi, cmpsi, bCC): Remove.
3858
3859         * config/v850/v850.md (tstsi, cmpsi): Fold into...
3860         (*cmpsi): ... this one.
3861         (cbranchsi4, cstoresi4): New.
3862         (bCC expanders): Delete.
3863         (sCC insns): Fold into...
3864         (*setcc): ... this one.
3865         (casesi): Do not use gen_cmpsi and gen_bgtu.
3866         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
3867         (movsicc): Simplify.
3868         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
3869
3870         * config/vax/vax-protos.h (cond_name): New.
3871         (vax_output_conditional_branch): Remove.
3872         * config/vax/vax.c (cond_name): New.
3873         (vax_output_conditional_branch): Remove.
3874         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
3875         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
3876         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
3877         (bit<VAXint>): Wrap source with (compare).
3878         (b<code> and following unnamed pattern): Rename to *branch and
3879         *branch_reversed.  Change macroization to match_operator.
3880         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
3881
3882         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
3883         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
3884         Change last argument to machine_mode.
3885         (xtensa_expand_scc): Add machine_mode argument.
3886         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
3887         (gen_conditional_move, xtensa_expand_conditional_branch,
3888         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
3889         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
3890         Adjust operand numbers.
3891         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
3892         Delete.
3893         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
3894         (cmpsi, cmpsf, b<code>, s<code>): Delete.
3895         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
3896
3897 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
3898
3899         * optabs.c (prepare_cmp_insn): Temporarily disable test that
3900         causes spurious differences between trunk and cond-optab branch.
3901
3902 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
3903
3904         PR target/37137
3905         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
3906
3907 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
3908
3909         * tree.c (iterative_hash_pointer): Delete.
3910         (iterative_hash_expr): Short-circuit handling of NULL pointer.
3911         Hash UIDs and versions of SSA names.  Don't special-case built-in
3912         function declarations.
3913
3914 2009-05-11  Ian Lance Taylor  <iant@google.com>
3915
3916         PR bootstrap/40103
3917         * graphite.c: Force -Wc++-compat to only be a warning before
3918         #including "cloog/cloog.h".
3919
3920 2009-05-11  Martin Jambor  <mjambor@suse.cz>
3921
3922         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
3923
3924 2009-05-11  Jan Hubicka  <jh@suse.cz>
3925
3926         * tree-ssa-loop-ivcanon.c: Include target.h
3927         (struct loop_size): new structure.
3928         (constant_after_peeling): New predicate.
3929         (tree_estimate_loop_size): New function.
3930         (estimated_unrolled_size): Rewrite for new estimates.
3931         (try_unroll_loop_completely): Use new estimates.
3932         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
3933
3934 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3935
3936         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
3937         libcpp interface change.
3938         (spu_macro_to_expand): Likewise.
3939
3940 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
3941
3942         PR tree-optimization/40026
3943         * gimplify.c (gimplify_init_constructor): Change initial conditional
3944         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
3945         optimize_compound_literals_in_ctor.
3946
3947 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
3948
3949         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
3950         New devices.
3951         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
3952
3953 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
3954
3955         * tree-vect-data-refs.c (vect_analyze_group_access): Use
3956         HOST_WIDE_INT for gap.
3957
3958 2009-05-11  Ira Rosen  <irar@il.ibm.com>
3959
3960         PR tree-optimization/40074
3961         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
3962         account in group size and step comparison.
3963
3964 2009-05-11  Richard Guenther  <rguenther@suse.de>
3965
3966         * passes.c (init_optimization_passes): Strip now incorrect comment.
3967         (execute_function_todo): Do not set PROP_alias.
3968         * tree-pass.h (PROP_alias): Remove.
3969         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
3970         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
3971         * tree-nrv.c (pass_return_slot): Likewise.
3972         * tree-object-size.c (pass_object_sizes): Likewise.
3973         * tree-ssa-dom.c (pass_dominator): Likewise.
3974         (pass_phi_only_cprop): Likewise.
3975         * tree-ssa-dse.c (pass_dse): Likewise.
3976         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
3977         (pass_cselim): Likewise.
3978         * tree-ssa-pre.c (pass_pre): Likewise.
3979         (pass_fre): Likewise.
3980         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
3981         * tree-ssa-sink.c (pass_sink_code): Likewise.
3982         * tree-stdarg.c (pass_stdarg): Likewise.
3983         * tree-tailcall.c (pass_tail_calls): Likewise.
3984         * tree-vrp.c (pass_vrp): Likewise.
3985
3986 2009-05-10  Ian Lance Taylor  <iant@google.com>
3987
3988         * basic-block.h (enum profile_status): Break out of struct
3989         control_flow_graph.
3990         * cgraph.h (struct inline_summary): Break out of struct
3991         cgraph_local_info.
3992         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
3993         of struct cgraph_order_sort.
3994         * combine.c (enum undo_kind): New enum, broken out of struct undo.
3995         * cse.c (struct branch_path): Break out of struct
3996         cse_basic_block_data.
3997         * except.h (enum eh_region_type): Break out of struct eh_region.
3998         * gcc.c (enum add_del): Break out of struct modify_target.
3999         * genrecog.c (enum decision_type): Break out of struct decision_test.
4000         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
4001         ggc_pch_data.
4002         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
4003         * regmove.c (enum match_use): New enum, broken out of struct match.
4004         * sched-int.h (enum post_call_group): New enum, broken out of
4005         struct deps.
4006         (struct deps_reg): Break out of struct deps.
4007         * target.h (struct asm_int_op): Break out of struct gcc_target.
4008         * tree-eh.c (struct goto_queue_node): Break out of struct
4009         leh_tf_state.
4010         * tree-inline.h (enum copy_body_cge_which): Break out of
4011         copy_body_data.
4012         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
4013
4014         * c-decl.c (in_struct, struct_types): New static variables.
4015         (pushtag): Add loc parameter.  Change all callers.
4016         (lookup_tag): Add ploc parameter.  Change all callers.
4017         (check_compound_literal_type): New function.
4018         (parser_xref_tag): Add loc parameter.  Change all callers.  If
4019         -Wc++-compat, warn about struct/union/enum types defined within a
4020         struct or union.
4021         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
4022         and loc parameters.  Change all callers.  Change error calls to
4023         error_at, using loc.  For a redefinition, if the location of the
4024         original definition is known, report it.  Set in_struct and
4025         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
4026         (finish_struct): Add new parameters enclosing_in_struct and
4027         enclosing_struct_types.  Change all callers.  Set
4028         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
4029         in the struct.  If in a struct, add this struct to struct_types.
4030         (start_enum): Add loc parameter.  Change all callers.  Use
4031         error_at for errors, using loc.  For a redefinition, if the
4032         location of the original definition is known, report it.  If in a
4033         struct, add this enum type to struct_types.  If -Wc++-compat warn
4034         if in sizeof, typeof, or alignof.
4035         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
4036         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
4037         (c_parser_enum_specifier): Get enum location for start_enum.
4038         (c_parser_struct_or_union_specifier): Get struct location for
4039         start_struct.  Save in_struct and struct_types status between
4040         start_struct and finish_struct.
4041         (c_parser_cast_expression): Get location of cast.
4042         (c_parser_alignof_expression): Get location of type.
4043         (c_parser_postfix_expression): Likewise.
4044         (c_parser_postfix_expression_after_paren_type): Add type_loc
4045         parameter.  Change all callers.  Call check_compound_literal_type.
4046         Use type_loc for error about variable size type.
4047         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
4048         of an enum constant from an enum type defined in a struct or union.
4049         (c_cast_expr): Add loc parameter.  Change all callers.  If
4050         -Wc++-compat, warn about defining a type in a cast.
4051         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
4052         (start_enum, start_struct, finish_struct): Update declarations.
4053         (parser_xref_tag, c_cast_expr): Update declarations.
4054         (check_compound_literal_type): Declare.
4055
4056 2009-05-11  Ben Elliston  <bje@au.ibm.com>
4057
4058         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
4059         for recent libcpp interface change.
4060         (rs6000_macro_to_expand): Likewise.
4061
4062 2009-05-10  Michael Matz  <matz@suse.de>
4063
4064         PR target/40031
4065         * config/arm/arm.c (require_pic_register): Emit on entry edge,
4066         not at entry of function.
4067
4068 2009-05-10  Richard Guenther  <rguenther@suse.de>
4069
4070         PR tree-optimization/40081
4071         Revert
4072         * tree-sra.c (instantiate_element): Instantiate scalar replacements
4073         using the main variant of the element type.  Do not fiddle with
4074         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
4075
4076         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
4077         structs with volatile fields.
4078
4079 2009-05-10  Jan Hubicka  <jh@suse.cz>
4080
4081         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
4082         (estimate_move_cost): Assert that it does not get called for
4083         VOID_TYPE_P.
4084         (estimate_num_insns): Skip VOID types in argument handling.
4085         (optimize_inline_calls): Delete unreachable blocks and verify that
4086         callgraph is valid.
4087
4088 2009-05-10  Jan Hubicka  <jh@suse.cz>
4089
4090         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
4091         * cgraph.c (cgraph_mark_address_taken_node): New function.
4092         (dump_cgraph_node): Dump new flag.
4093         * cgraph.h (struct cgraph_node): Add address_taken.
4094         (cgraph_mark_address_taken_node): New function.
4095         * ipa.c (cgraph_postorder): Prioritize functions with address taken
4096         since new direct calls can be born.
4097
4098 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
4099
4100         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
4101         tok->val.node.node.
4102
4103 2009-05-10  Jan Hubicka  <jh@suse.cz>
4104
4105         PR middle-end/40084
4106         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
4107         argument; rewrite.
4108         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
4109         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
4110         * tree-inline.c (copy_bb): Set frequency correctly.
4111         (fold_marked_statements): Update call to
4112         cgraph_update_edges_for_call_stmt.
4113
4114 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
4115
4116         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
4117         identifiers in diagnostics.
4118         * config/arm/arm.c (arm_handle_fndecl_attribute,
4119         arm_handle_isr_attribute): Likewise.
4120         * config/avr/avr.c (avr_handle_progmem_attribute,
4121         avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
4122         * config/bfin/bfin.c (handle_int_attribute,
4123         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
4124         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
4125         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
4126         Likewise.
4127         * config/darwin.c (darwin_handle_kext_attribute,
4128         darwin_handle_weak_import_attribute): Likewise.
4129         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
4130         h8300_handle_eightbit_data_attribute,
4131         h8300_handle_tiny_data_attribute): Likewise.
4132         * config/i386/i386.c (ix86_handle_cconv_attribute,
4133         ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
4134         * config/i386/winnt.c (ix86_handle_shared_attribute,
4135         ix86_handle_selectany_attribute): Likewise.
4136         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
4137         * config/m32c/m32c.c (function_vector_handler): Likewise.
4138         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
4139         m68hc11_handle_fntype_attribute): Likewise.
4140         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
4141         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
4142         * config/mips/mips.c (mips_insert_attributes,
4143         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
4144         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
4145         rs6000_handle_struct_attribute): Likewise.
4146         * config/sh/sh.c (sh_insert_attributes,
4147         sh_handle_resbank_handler_attribute,
4148         sh_handle_interrupt_handler_attribute,
4149         sh2a_handle_function_vector_handler_attribute,
4150         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
4151         Likewise.
4152         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
4153         * config/spu/spu.c (spu_handle_fndecl_attribute,
4154         spu_handle_vector_attribute): Likewise.
4155         * config/stormy16/stormy16.c
4156         (xstormy16_handle_interrupt_attribute): Likewise.
4157         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
4158         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
4159
4160 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
4161
4162         * pretty-print.h (struct pretty_print_info): Add translate_identifiers.
4163         (pp_translate_identifiers): New.
4164         (pp_identifier): Only conditionally translate identifier to locale
4165         character set.
4166         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
4167         (pp_base_tree_identifier): Only conditionally translate identifier
4168         to locale character set.
4169         * c-pretty-print.c (M_): Define.
4170         (pp_c_type_specifier, pp_c_primary_expression): Mark English
4171         fragments for conditional translation with M_.
4172         * tree-pretty-print.c (maybe_init_pretty_print): Disable
4173         identifier translation.
4174
4175 2009-05-10  Richard Guenther  <rguenther@suse.de>
4176
4177         PR tree-optimization/40081
4178         * tree-sra.c (instantiate_element): Instantiate scalar replacements
4179         using the main variant of the element type.  Do not fiddle with
4180         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
4181
4182 2009-05-09  Jan Hubicka  <jh@suse.cz>
4183
4184         PR middle-end/40080
4185         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
4186         indirect calls; verify cgraph afterwards.
4187
4188 2009-05-09  Jan Hubicka  <jh@suse.cz>
4189
4190         PR bootstrap/40082
4191         * ipa.c (update_inlined_to_pointer): New function.
4192         (cgraph_remove_unreachable_nodes): Use it.
4193
4194 2009-05-09  Jan Hubicka  <jh@suse.cz>
4195
4196         * tree-eh.c (struct leh_state): Remove prev_try.
4197         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
4198         not track prev_try.
4199         * except.c (gen_eh_region_cleanup, duplicate_eh_regions,
4200         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
4201         remove_eh_handler_and_replace, foreach_reachable_handler,
4202         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
4203         * except.h (struct eh_region): Remove eh_region_u_cleanup.
4204         (gen_eh_region_cleanup): Update prototype.
4205
4206 2009-05-09  Jan Hubicka  <jh@suse.cz>
4207
4208         PR middle-end/40043
4209         * except.c (copy_eh_region): Always set prev_try.
4210         (redirect_eh_edge_to_label): Find outer try.
4211         (foreach_reachable_handler): When looking for prev try
4212         handle case where previous try is not going to be taken.
4213
4214 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
4215
4216         PR tree-optimization/40049
4217         * tree-vect-stmts.c (vectorizable_operation): If the machine has
4218         only vector/vector shifts, convert the type of the constant to the
4219         appropriate type to avoid building incorrect trees, which
4220         eventually have problems with garbage collection.
4221
4222 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
4223
4224         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
4225         -1 for complex floating-point types if honoring signed zeros.
4226
4227 2009-05-08  Jan Hubicka  <jh@suse.cz>
4228
4229         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
4230         argument; handle correctly when profile is absent.
4231         (build_cgraph_edges): Update.
4232         (rebuild_cgraph_edges): Update.
4233         * cgraph.c: Do not include varray.h.
4234         (cgraph_set_call_stmt_including_clones): New function.
4235         (cgraph_create_edge_including_clones): Likewise
4236         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
4237         (cgraph_update_edges_for_call_stmt): Handle clones.
4238         (cgraph_remove_node): Handle clone tree.
4239         (cgraph_remove_node_and_inline_clones): New function.
4240         (dump_cgraph_node): Dump clone tree.
4241         (cgraph_clone_node): Handle clone tree.
4242         (clone_function_name): Bring here from tree-inline.c.
4243         (cgraph_create_virtual_clone): New function.
4244         * cgraph.h (ipa_replace_map): Move here from ipa.h.
4245         (cgraph_clone_info): New function.
4246         (strut cgraph_node): Add clone_info and new clone tree pointers.
4247         (cgraph_remove_node_and_inline_clones,
4248         cgraph_set_call_stmt_including_clones,
4249         cgraph_create_edge_including_clones,
4250         cgraph_create_virtual_clone): Declare.
4251         (cgraph_function_versioning): Use VEC argument.
4252         (compute_call_stmt_bb_frequency): Update prototype.
4253         (cgraph_materialize_all_clones): New function.
4254         * ipa-cp.c (ipcp_update_cloned_node): Remove.
4255         (ipcp_create_replace_map): Update to VECtors.
4256         (ipcp_update_callgraph): Use virtual clones.
4257         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
4258         (ipcp_update_profiling): Do not update local profiling.
4259         (ipcp_insert_stage): Use VECtors and virtual clones.
4260         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
4261         (clone_of_p): New function.
4262         (cgraph_preserve_function_body_p): Use clone tree.
4263         (cgraph_optimize): Materialize clones.
4264         (cgraph_function_versioning): Update for VECtors.
4265         (save_inline_function_body): Use clone tree.
4266         (cgraph_materialize_clone): New function.
4267         (cgraph_materialize_all_clones): Likewise.
4268         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
4269         * ipa.c: Include gimple.h.
4270         (cgraph_remove_unreachable_nodes): Use clone tree.
4271         * ipa-prop.c (ipa_note_param_call): Update call to
4272         compute_call_stmt_bb_frequencycall.
4273         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
4274         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
4275         (copy_bb): Handle updating of clone tree; add new edge when new call
4276         appears.
4277         (expand_call_inline): Be strict about every call having edge.
4278         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
4279         (delete_unreachable_blocks_update_callgraph): New function.
4280         (tree_function_versioning): Use VECtors; always remove unreachable
4281         blocks and fold conditionals.
4282         * tree-inline.h: Do not include varray.h.
4283         (tree_function_versioning): Remove.
4284         * Makefile.in (GTFILES): Remove tree-inline.c
4285         * passes.c (do_per_function): Do only functions having body.
4286         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
4287         tree.
4288
4289 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
4290             Andrew Morrow  <acm@google.com>
4291
4292         PR c/36892
4293         * c-common.c (c_common_attribute_table): Permit deprecated
4294         attribute to take an optional argument.
4295         (handle_deprecated_attribute): If the optional argument to
4296         __attribute__((deprecated)) is not a string ignore the attribute
4297         and emit a warning.
4298
4299         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
4300         * c-typeck.c (build_component_ref): Likewise.
4301         (build_external_ref): Likewise.
4302
4303         * toplev.c (warn_deprecated_use): Add an attribute argument.
4304         Emit the message associated with __attribute__((deprecated)).
4305
4306         * toplev.h (warn_deprecated_use): Updated.
4307
4308         * doc/extend.texi: Document new optional parameter to
4309         __attribute__((deprecated))
4310
4311 2009-05-08  Michael Eager <eager@eagercon.com>
4312
4313         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
4314         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
4315
4316 2009-05-08  Richard Guenther  <rguenther@suse.de>
4317
4318         PR tree-optimization/40062
4319         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
4320         Avoid exponential behavior.
4321
4322 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
4323
4324         PR rtl-optimization/33928
4325         PR 26854
4326         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
4327         process_uses, build_single_def_use_links): New.
4328         (update_df): Update use_def_ref.
4329         (forward_propagate_into): Use get_def_for_use instead of use-def
4330         chains.
4331         (fwprop_init): Call build_single_def_use_links and let it initialize
4332         dataflow.
4333         (fwprop_done): Free use_def_ref.
4334         (fwprop_addr): Eliminate duplicate call to df_set_flags.
4335         * df-problems.c (df_rd_simulate_artificial_defs_at_top,
4336         df_rd_simulate_one_insn): New.
4337         (df_rd_bb_local_compute_process_def): Update head comment.
4338         (df_chain_create_bb): Use the new RD simulation functions.
4339         * df.h (df_rd_simulate_artificial_defs_at_top,
4340         df_rd_simulate_one_insn): New.
4341         * opts.c (decode_options): Enable fwprop at -O1.
4342         * doc/invoke.texi (-fforward-propagate): Document this.
4343
4344 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
4345
4346         PR c/24581
4347         * c-typeck.c (build_binary_op): Handle arithmetic between one real
4348         and one complex operand specially.
4349         * tree-complex.c (some_nonzerop): Do not identify a real value as
4350         zero if flag_signed_zeros.
4351
4352 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
4353
4354         PR rtl-optimization/33928
4355         * loop-invariant.c (record_use): Fix && vs. || mishap.
4356
4357 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
4358
4359         PR rtl-optimization/33928
4360         * loop-invariant.c (struct use): Add addr_use_p.
4361         (struct def): Add n_addr_uses.
4362         (struct invariant): Add cheap_address.
4363         (create_new_invariant): Set cheap_address.
4364         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
4365         (record_uses): Pass df_ref to record_use.
4366         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
4367         used only as such.
4368
4369 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
4370
4371         * config/sh/sh.c: Do not include c-pragma.h.
4372
4373 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4374
4375         * config/spu/spu.c: Remove include of c-common.h.
4376
4377 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
4378
4379         PR c/39037
4380         * c-common.h (mark_valid_location_for_stdc_pragma,
4381         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
4382         clear_float_const_decimal64, float_const_decimal64_p): New.
4383         * c.opt (Wunsuffixed-float-constants): New.
4384         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
4385         unsuffixed float constant, handle new warning.
4386         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
4387         * c-decl.c (c_scope): New flag float_const_decimal64.
4388         (set_float_const_decimal64, clear_float_const_decimal64,
4389         float_const_decimal64_p): New.
4390         (push_scope): Set new flag.
4391         * c-parser.c (c_parser_translation_unit): Mark when it's valid
4392         to use STDC pragmas.
4393         (c_parser_external_declaration): Ditto.
4394         (c_parser_compound_statement_nostart): Ditto.
4395         * c-pragma.c (valid_location_for_stdc_pragma,
4396         mark_valid_location_for_stdc_pragma,
4397         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
4398         handle_pragma_float_const_decimal64): New.
4399         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
4400         * cp/semantics.c (valid_location_for_stdc_pragma_p,
4401         set_float_const_decimal64, clear_float_const_decimal64,
4402         float_const_decimal64_p): New dummy functions.
4403         * doc/extend.texi (Decimal Float): Remove statement that the
4404         pragma, and suffix for double constants, are not supported.
4405         * doc/invoke.texi (Warning Options): List new option.
4406         (-Wunsuffixed-float-constants): New.
4407
4408 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
4409
4410         * config/i386/i386.c: Do not include c-common.h.
4411
4412 2009-05-07  Mark Heffernan  <meheff@google.com>
4413
4414         * doc/invoke.texi (Debugging Options): Document change of debugging
4415         dump location.
4416         * opts.c (decode_options): Make dump_base_name relative to
4417         aux_base_name directory.
4418
4419 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
4420
4421         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
4422         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
4423
4424 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
4425
4426         * Makefile.in (install-plugin): Simplify a bit.
4427
4428 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
4429
4430         * Makefile.in (OBJS-common): Add regcprop.o.
4431         (regcprop.o): New.
4432         * timevar.def (TV_CPROP_REGISTERS): New.
4433         * regrename.c (regrename_optimize): Return 0.
4434         (rest_of_handle_regrename): Delete.
4435         (pass_rename_registers): Point to regrename_optimize.
4436         (struct value_data_entry, struct value_data,
4437         kill_value_one_regno, kill_value_regno, kill_value,
4438         set_value_regno, init_value_data, kill_clobbered_value,
4439         kill_set_value, kill_autoinc_value, copy_value,
4440         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
4441         replace_oldest_value_reg, replace_oldest_value_addr,
4442         replace_oldest_value_mem, copyprop_hardreg_forward_1,
4443         debug_value_data, validate_value_data): Move...
4444         * regcprop.c: ... here.
4445         (rest_of_handle_cprop): Delete.
4446         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
4447
4448 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
4449
4450         PR middle-end/40057
4451         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
4452         GEN_INT for 1 << bitnum.
4453         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
4454         build_int_cst_type.
4455
4456 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
4457
4458         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
4459         Remove wrong description of "nand" operation.
4460
4461 2009-05-06  Richard Guenther  <rguenther@suse.de>
4462             Adam Nemet  <anemet@caviumnetworks.com>
4463
4464         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
4465         comment.  Add that if LHS is not a gimple register, then RHS1 has
4466         to be a single object (GIMPLE_SINGLE_RHS).
4467
4468 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
4469
4470         * expr.c (get_def_for_expr): Move it up in the file.
4471         (store_field): When expanding a bit-field store, look at the
4472         defining gimple stmt for the masking conversion.
4473
4474 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
4475
4476         PR middle-end/39986
4477         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4478         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
4479         32-bit memcpy into long.
4480
4481 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
4482
4483         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
4484         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
4485         new_reg_loc_descr.
4486         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
4487         instead of appending DW_OP_deref*.
4488
4489 2009-05-06  Michael Matz  <matz@suse.de>
4490
4491         PR middle-end/40021
4492         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
4493         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
4494
4495 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
4496
4497         * Makefile.in (install-plugin): Fix srcdir handling.
4498
4499 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
4500
4501         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
4502         when processing for not_regs_needed bitmap.
4503         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
4504         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while
4505         handling it for rhs.
4506
4507 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
4508
4509         * config/i386/i386.md (unnamed inc/dec peephole): Use
4510         optimize_insn_for_size_p instead of optimize_size.
4511         * config/i386/predicates.md (incdec_operand): Likewise.
4512         (aligned_operand): Likewise.
4513         * config/i386/sse.md (divv8sf3): Likewise.
4514         (sqrtv8sf2): Likewise.
4515
4516 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
4517
4518         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
4519
4520         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
4521
4522 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
4523
4524         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
4525         ssemodesuffixf2c with avxmodesuffixf2c.
4526
4527 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
4528
4529         PR c/40032
4530         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
4531
4532 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
4533
4534         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
4535         (struct tree_base): Adjust spacing for 8 bit boundaries.
4536         (struct tree_decl_common): Add decl_by_reference_flag bit.
4537         (DECL_BY_REFERENCE): Adjust.
4538         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
4539         print DECL_BY_REFERENCE bit.
4540         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
4541         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
4542         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
4543         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
4544         unconditionally.
4545
4546         PR middle-end/39666
4547         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
4548         range of the type, but default label is missing, add it with one
4549         of the existing labels instead of adding a new label for it.
4550
4551 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
4552
4553         * dwarf.h: Remove.
4554
4555 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
4556
4557         * Makefile.in (enable_plugin, plugin_includedir): New.
4558         (install): Depend on install-plugin.
4559         (PLUGIN_HEADERS): New.
4560         (install-plugin): New.
4561         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
4562
4563 2009-05-05  Richard Guenther  <rguenther@suse.de>
4564
4565         PR tree-optimization/40022
4566         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
4567         the only vuse.
4568         (phivn_valid_p): Fix tuplification error, simplify.
4569         (phiprop_insert_phi): Add dumps.
4570         (propagate_with_phi): Simplify.
4571
4572 2009-05-05  Richard Guenther  <rguenther@suse.de>
4573
4574         PR middle-end/40023
4575         * builtins.c (gimplify_va_arg_expr): Properly build the address.
4576
4577 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
4578
4579         * tree.h (strip_float_extensions): Remove duplicate declaration.
4580         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
4581         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
4582         block_ultimate_origin): Rearrange the declarations line to match the
4583         comment that indicates the .c file which the functions are defined.
4584         (dwarf2out_*, set_decl_rtl): Add comment.
4585         (get_base_address): Adjust comment.
4586         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
4587         declarations line and add comment.
4588         (is_builtin_name): Add blank after function name, for clarity.
4589
4590 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
4591
4592         * attribs.c (decl_attributes): Use %qE for identifiers in
4593         diagnostics.
4594         * cgraphunit.c (verify_cgraph_node): Translate function names to
4595         locale character set in diagnostics.
4596         * coverage.c (get_coverage_counts): Use %qE for identifiers in
4597         diagnostics.
4598         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
4599         Document that functions are named in UTF-8.
4600         * expr.c (expand_expr_real_1): Translate function names to locale
4601         character set in diagnostics.
4602         * gimplify.c (omp_notice_variable, omp_is_private,
4603         gimplify_scan_omp_clauses): Use %qE for identifiers in
4604         diagnostics.
4605         * langhooks.c (lhd_print_error_function): Translate function names
4606         to locale character set.
4607         * langhooks.h (decl_printable_name): Document that return value is
4608         in internal character set.
4609         * stmt.c: Include pretty-print.h
4610         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
4611         diagnostics.
4612         (resolve_operand_name_1): Translate named operand name to locale
4613         character set.
4614         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
4615         diagnostics.
4616         * toplev.c (announce_function): Translate function names to locale
4617         character set.
4618         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
4619         (default_tree_printer): Use pp_identifier or translate identifiers
4620         to locale character set.  Mark "<anonymous>" for translation.
4621         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
4622         for identifiers in diagnostics.
4623         * tree.c (handle_dll_attribute): Use %qE for identifiers in
4624         diagnostics.
4625         * varasm.c (output_constructor): Use %qE for identifiers in
4626         diagnostics.
4627
4628 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
4629
4630         * configure.ac: use ` ` instead of $()
4631         * configure: Regenerate.
4632
4633 2009-05-05  Ben Elliston  <bje@au.ibm.com>
4634
4635         * config/pa/linux-atomic.c: Eliminate conditional include of
4636         errno.h on non-LP64 systems to simplify build requirements.
4637
4638 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
4639
4640         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
4641         diagnostics.
4642         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
4643         and pass value to identifier_to_locale.
4644         (warn_variable_length_array): Make name a tree.
4645         (grokdeclarator): Separate diagnostic texts for named and unnamed
4646         declarators.  Use %qE for named declarators.
4647         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
4648         diagnostics.
4649         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
4650         identifiers in diagnostics.
4651         * c-typeck.c (push_member_name, start_init): Pass identifiers to
4652         identifier_to_locale.  Mark "anonymous" strings for translation.
4653
4654 2009-05-04  Michael Eager <eager@eagercon.com>
4655
4656         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
4657         address for DImode/DFmode only if double-precision FP regs.
4658
4659 2009-05-04  Michael Eager <eager@eagercon.com>
4660
4661         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
4662         TARGET_SINGLE_FLOAT check.
4663
4664 2009-05-04  Michael Eager <eager@eagercon.com>
4665
4666         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
4667
4668 2009-05-04  Michael Eager <eager@eagercon.com>
4669
4670         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
4671         * config/rs6000/t-xilinx: New
4672
4673 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
4674
4675         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
4676         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
4677         * gcc/explow.c (memory_address): Use target hook.
4678         * gcc/targhooks.c (default_legitimize_address): New.
4679         * gcc/targhooks.h (default_legitimize_address): New.
4680         * gcc/target.h (legitimize_address): New.
4681         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
4682         (TARGET_INITIALIZER): Include it.
4683         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
4684
4685         * config/bfin/bfin-protos.h (legitimize_address): Remove.
4686         * config/bfin/bfin.c (legitimize_address): Remove.
4687         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
4688         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
4689         Remove.
4690         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
4691         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
4692
4693         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
4694         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
4695         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
4696         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
4697         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
4698         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
4699         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
4700         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
4701         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
4702         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
4703         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
4704         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
4705         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
4706         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
4707         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
4708         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
4709         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
4710         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
4711         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
4712         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
4713         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
4714         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
4715         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
4716
4717         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
4718         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
4719         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
4720         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
4721         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
4722         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
4723         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
4724         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
4725         (thumb_legitimize_address): Delete.
4726         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
4727         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
4728         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
4729         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
4730         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
4731         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
4732         Delete.
4733         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
4734         Delete.
4735
4736         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
4737         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
4738         * config/m32r/m32r.c (m32r_legitimize_address): New.
4739         * config/m68k/m68k.c (m68k_legitimize_address): New.
4740         * config/score/score.c (score_legitimize_address): Standardize.
4741         * config/score/score3.c (score3_legitimize_address): Standardize.
4742         * config/score/score3.h (score3_legitimize_address): Adjust.
4743         * config/score/score7.c (score7_legitimize_address): Standardize.
4744         * config/score/score7.h (score7_legitimize_address): Adjust.
4745         * config/sh/sh.c (sh_legitimize_address): New.
4746         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
4747
4748         * gcc/config/s390/s390.c (legitimize_address): Rename to...
4749         (s390_legitimize_address): ... this.
4750         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
4751         (sparc_legitimize_address): ... this.
4752         * gcc/config/i386/i386.c (legitimize_address): Rename to...
4753         (ix86_legitimize_address): ... this.
4754         * gcc/config/avr/avr.c (legitimize_address): Rename to...
4755         (avr_legitimize_address): ... this.
4756         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
4757         (mn10300_legitimize_address): ... this.
4758         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
4759         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
4760         (alpha_expand_mov): Adjust call.
4761
4762         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
4763         * config/spu/spu.c (spu_legitimize_address): Likewise.
4764         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
4765         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
4766
4767 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
4768
4769         * intl.c (locale_encoding, locale_utf8): New.
4770         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
4771         * intl.h (locale_encoding, locale_utf8): Declare.
4772         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
4773         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
4774         New.
4775         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
4776         argument.
4777         (pp_tree_identifier): Define to call pp_base_tree_identifier.
4778         (pp_base_tree_identifier): Declare as function.
4779         (identifier_to_locale): Declare.
4780         * Makefile.in (pretty-print.o): Update dependencies.
4781         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
4782
4783 2009-05-04  Richard Guenther  <rguenther@suse.de>
4784
4785         PR middle-end/40015
4786         * builtins.c (fold_builtin_memory_op): Do not decay to element
4787         type if the size matches the whole array.
4788
4789 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
4790
4791         * expmed.c (synth_mult): When trying out a shift, pass the result
4792         of a signed shift.
4793
4794 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
4795
4796         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
4797         (shiftsub1_cost): New.
4798         (init_expmed): Compute shiftsub1_cost.
4799         (synth_mult): Optimize multiplications by constants of the form
4800         -(2^^m-1) for some constant positive integer m.
4801
4802 2009-05-03  Richard Guenther  <rguenther@suse.de>
4803
4804         PR c/39983
4805         * c-typeck.c (array_to_pointer_conversion): Do not built
4806         ADDR_EXPRs of arrays of pointer-to-element type.
4807         * c-gimplify.c (c_gimplify_expr): Revert change fixing
4808         up wrong ADDR_EXPRs after-the-fact.
4809         * c-common.c (strict_aliasing_warning): Strip pointer
4810         conversions for obtaining the original type.
4811         * builtins.c (fold_builtin_memset): Handle array types.
4812         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
4813         and array types
4814
4815 2009-05-03  Richard Guenther  <rguenther@suse.de>
4816
4817         PR middle-end/23329
4818         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
4819         Do not lose casts from array types with unknown extent to array
4820         types with known extent.
4821         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
4822         alias set compatibility.
4823
4824 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4825
4826         * flags.h (extra_warnings): Delete.
4827         * toplev.c (process_options): Handle Wuninitialized here.
4828         * opts.c (extra_warnings): Delete.
4829         (set_Wextra): Delete.
4830         (common_handle_option): -Wextra can be handled automatically.
4831         * c-opts.c (c_common_handle_option): Delete obsolete code.
4832         (c_common_post_options): Simplify comment.
4833         * common.opt (W): Add Var.
4834         (Wextra): Add Var.
4835         (Wuninitialized): Initialize to -1.
4836
4837 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
4838             Richard Guenther  <rguenther@suse.de>
4839
4840         * expr.c (get_def_for_expr): New function.
4841         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
4842         SSA rather than trees.
4843         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
4844         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
4845
4846 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
4847
4848         * c-common.c (reswords): Add _Imaginary.
4849         * c-common.c (enum rid): Add RID_IMAGINARY.
4850
4851 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
4852
4853         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
4854         Patch by Richard Guenther.
4855
4856 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
4857
4858         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
4859         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
4860         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
4861         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
4862         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
4863         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
4864         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
4865         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
4866         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
4867         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
4868         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
4869         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
4870         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
4871         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
4872         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
4873         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
4874         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
4875         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
4876
4877 2009-05-02  Richard Guenther  <rguenther@suse.de>
4878
4879         PR tree-optimization/39940
4880         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
4881         doing so.
4882
4883 2009-05-02  Richard Guenther  <rguenther@suse.de>
4884
4885         PR middle-end/40001
4886         * tree-ssa.c (execute_update_addresses_taken): Properly check
4887         if we can mark a variable DECL_GIMPLE_REG_P.
4888         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
4889         back to the end of the function.
4890         (is_gimple_reg_type): Remove complex type special casing.
4891         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
4892         if not optimizing.
4893
4894 2009-05-02  Ben Elliston  <bje@au.ibm.com>
4895
4896         * doc/collect2.texi (Collect2): Document search path behaviour
4897         when configured with --with-ld.
4898
4899 2009-05-02  Jan Hubicka  <jh@suse.cz>
4900
4901         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
4902         parameter; update callers.
4903         (coalesce_cost_edge): EH edges are costier because they needs
4904         splitting even if not critical and even more costier when there are
4905         multiple EH predecestors.
4906
4907 2009-05-02  Jan Hubicka  <jh@suse.cz>
4908
4909         * except.c (remove_eh_handler_and_replace): Handle updating after
4910         removing TRY blocks.
4911
4912 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
4913
4914         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
4915
4916 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
4917
4918         * varasm.c: Do not include c-pragma.h.
4919         * attribs.c: Do not incude c-common.h.
4920
4921 2009-05-01  Michael Matz  <matz@suse.de>
4922
4923         * calls.c (initialize_argument_information): Handle SSA names like
4924         decls with a non MEM_P DECL_RTL.
4925
4926 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
4927
4928         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
4929         * ipa-utils.c: Likewise.
4930         * ipa-type-escape.c: Likewise.
4931         * cgraphunit.c Do not include c-common.h.
4932         * ipa-pure-const.c: Likewise.
4933         * tree-if-conv.c: Likewise.
4934         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
4935         * ipa-struct-reorg.c: Likewise.
4936         * tree-nomudflap.c: Likewise.
4937         * tree-ssa-structalias.c: Likewise.
4938
4939 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
4940
4941         * store-motion.c: Many cleanups to make this pass a first-class
4942         citizen instead of an appendix to gcse load motion.  Add TODO list
4943         to make this pass faster/cleaner/better.
4944
4945         (struct ls_expr): Post gcse.c-split cleanups.
4946         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
4947         "stores" field to "avail_stores".
4948         (pre_ldst_mems): Rename to store_motion_mems.
4949         (pre_ldst_table): Rename to store_motion_mems_table.
4950         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
4951         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
4952         (ldst_entry): Rename to st_expr_entry, update users.
4953         (free_ldst_entry): Rename to free_st_expr_entry, update users.
4954         (free_ldst_mems): Rename to free_store_motion_mems, update users.
4955         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
4956         update caller.
4957         (first_ls_expr): Rename to first_st_expr, update users.
4958         (next_ls_expr): Rename to next_st_expr, update users.
4959         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
4960         fields properly for store motion instead of names inherited from load
4961         motion in gcse.c.
4962         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
4963         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
4964         are done with it.
4965
4966         (ae_kill): Rename to st_kill, update users.
4967         (ae_gen): Rename to st_avloc, update users.
4968         (transp): Rename to st_transp, update users.
4969         (pre_insert_map): Rename to st_insert_map, update users.
4970         (pre_delete_map): Rename to st_delete_map, update users.
4971         (insert_store, build_store_vectors, free_store_memory,
4972         one_store_motion_pass): Update for abovementioned changes.
4973
4974         (gcse_subst_count, gcse_create_count): Remove.
4975         (one_store_motion_pass): New statistics counters "n_stores_deleted"
4976         and "n_stores_created", local variables.
4977
4978         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
4979         use for_each_rtx.
4980
4981         (regvec, compute_store_table_current_insn): Remove.
4982         (reg_set_info, reg_clear_last_set): Remove.
4983         (compute_store_table): Use DF caches instead of local dataflow
4984         solvers.
4985
4986 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
4987
4988         * c-objc-common.c (c_tree_printer): Print identifiers with
4989         pp_identifier, not pp_string.  Mark "({anonymous})" for
4990         translation.
4991         * c-pretty-print.c (pp_c_ws_string): New.
4992         (pp_c_cv_qualifier, pp_c_type_specifier,
4993         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
4994         pp_c_storage_class_specifier, pp_c_function_specifier,
4995         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
4996         pp_c_primary_expression, pp_c_postfix_expression,
4997         pp_c_unary_expression, pp_c_shift_expression,
4998         pp_c_relational_expression, pp_c_equality_expression,
4999         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
5000         use pp_string and pp_c_ws_string in place of pp_identifier and
5001         pp_c_identifier for non-identifiers.  Mark English strings for
5002         translation.
5003         * c-pretty-print.h (pp_c_ws_string): Declare.
5004
5005 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
5006             Roland McGrath <roland@redhat.com>
5007
5008         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
5009         (ENABLE_LD_BUILDID): New configuration option.
5010         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
5011         (LINK_BUILDID_SPEC): New macro.
5012         (init_spec): If defined, prepend it between LINK_EH_SPEC and
5013         link_spec.
5014         * doc/install.texi: Document --enable-linker-build-id option.
5015         * configure: Rebuild.
5016         * config.in: Rebuild.
5017
5018 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
5019
5020         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
5021         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
5022         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
5023         MIPS_GP_SAVE_AREA_SIZE.
5024         * config/mips/mips.c (struct mips_frame_info): Update comment
5025         before arg_pointer_offset and hard_frame_pointer_offset.
5026         (mips_compute_frame_info): Update diagram before function: to
5027         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
5028         indicate the position of frame_pointer_rtx with -fstack-protector and
5029         to show args_size.  Don't allocate cprestore area for leaf functions
5030         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
5031         cprestore_size.
5032         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
5033
5034 2009-04-30  Michael Matz  <matz@suse.de>
5035
5036         PR tree-optimization/39955
5037         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
5038
5039 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
5040
5041         * ira.c (setup_cover_and_important_classes):  Use safe macro
5042         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
5043         directly.
5044         * genpreds.c (write_tm_preds_h):  Output suitable definition of
5045         REG_CLASS_FOR_CONSTRAINT.
5046
5047 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
5048
5049         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
5050         instead of an int.
5051         * bitmap.c (bitmap_descriptor): Likewise.
5052         * ggc-common.c (loc_descriptor): Likewise.
5053         * varray.c (varray_descriptor): Likewise.
5054         * vec.c (vec_descriptor): Likewise.
5055
5056 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
5057
5058         * Makefile.in (dce.o): Add $(EXCEPT_H).
5059         * dce.c: Include except.h and delete redundant vector definitions.
5060         (deletable_insn_p): Return false for non-call insns that can throw
5061         if DF is running.
5062
5063 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
5064
5065         * gcse.c (ae_gen): Remove.
5066         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
5067         and make non-static function to make it available in store-motion.c.
5068         Update call sites with search-and-replace.
5069         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
5070         extract_mentioned_regs, extract_mentioned_regs_helper,
5071         find_moveable_store, compute_store_table, load_kills_store, find_loads,
5072         store_killed_in_insn, store_killed_after, store_killed_before,
5073         build_store_vectors, insert_insn_start_basic_block, insert-store,
5074         remove_reachable_equiv_notes, replace_store_insn, delete_store,
5075         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
5076         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
5077         * store-motion.c: ...new file.  Also copy data structures from gcse.c
5078         and clean up to remove parts not used by store motion.
5079         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
5080         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
5081
5082 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5083
5084         PR target/38571
5085         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
5086         when optimizing for size.
5087
5088 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
5089
5090         * gcse.c (gcse_constant_p): Fix typo in last change.
5091
5092 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
5093
5094         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
5095
5096 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
5097
5098         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
5099
5100 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
5101
5102         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
5103         CONST_HIGH_PART result.
5104
5105 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
5106
5107         * config/avr/avr.c (initial_elimination_offset): Rename to
5108         avr_initial_elimination_offset.
5109         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
5110         change return type to bool.
5111         (avr_can_eliminate): New function.
5112         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
5113         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
5114         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
5115         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
5116         avr_initial_elimination_offset.
5117         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
5118         (avr_initial_elimination_offset): Define.
5119
5120 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
5121             Steven Bosscher  <steven@gcc.gnu.org>
5122
5123         PR rtl-optimization/39938
5124         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
5125         * cfgrtl.c: Include insn-attr.h.
5126         (rest_of_pass_free_cfg): New function.
5127         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
5128         * resource.c (init_resource_info): Remove call to df_analyze.
5129
5130 2009-04-29  Richard Guenther  <rguenther@suse.de>
5131
5132         PR target/39943
5133         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
5134         allow conversion to signed integers.
5135
5136 2009-04-29  Richard Guenther  <rguenther@suse.de>
5137
5138         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
5139         shifts of floating point vectors if the shift amount is
5140         a constant multiple of the element size.
5141
5142 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
5143             Michael Matz  <matz@suse.de>
5144
5145         PR middle-end/39927
5146         PR bootstrap/39929
5147         * tree-outof-ssa.c (emit_partition_copy): New function.
5148         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
5149         insert_part_to_rtx_on_edge): Perform the partition base var
5150         copy using emit_partition_copy.
5151         (insert_value_copy_on_edge): Convert constants to the right mode.
5152         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
5153         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
5154
5155 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
5156
5157         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
5158         scan backwards to try to find a constant to initialize it.
5159
5160         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
5161         insn before the loop_end instruction, don't look past labels.
5162
5163 2009-04-29  Richard Guenther  <rguenther@suse.de>
5164
5165         PR middle-end/39937
5166         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5167         loose type conversions.
5168         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
5169         stmts only if there are no uses of its definition.
5170
5171 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
5172
5173         * config/bfin/bfin.h (splitting_loops): Declare.
5174         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
5175         Reorder bit definitions to be ascending.
5176         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
5177         * config/bfin/bfin.c (splitting_loops): New variable.
5178         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
5179         (struct loop_info): Remove members INIT and LOOP_INIT.
5180         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
5181         the LSETUP sequence.  Allow LC to be loaded from any register, but
5182         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
5183         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
5184         set to 1.
5185         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
5186         of reload_completed.
5187
5188         From Jie Zhang:
5189         * config/bfin/bfin.md (movsi_insn): Refine constraints.
5190
5191 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
5192
5193         * Makefile.in (PLUGIN_VERSION_H): New.
5194         (OBJS-common): Remove plugin-version.o.
5195         (plugin.o): Depend on (PLUGIN_VERSION_H).
5196         (plugin-version.o): Remove.
5197         * configure: Regenerate
5198         * configure.ac: Create plugin-version.h.
5199         * gcc-plugin.h (plugin_gcc_version): Remove.
5200         (plugin_default_version_check): Change signature.
5201         * plugin-version.c: Remove.
5202         * plugin.c: Include plugin-version.h.
5203         (str_plugin_gcc_version_name): Remove.
5204         (try_init_one_plugin): Pass gcc version to plugin_init.
5205         (plugin_default_version_check): Both gcc and plugin versions are now
5206         arguments.
5207
5208 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
5209
5210         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
5211         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
5212         Remove special case testing for last insn of inner loops. Don't fail
5213         if the loop ends with a jump, emit an extra nop instead.
5214
5215         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
5216         DREGS rather than comparing directly.  Remove code that tries to
5217         account for latencies.
5218
5219 2009-04-29  Richard Guenther  <rguenther@suse.de>
5220
5221         PR tree-optimization/39941
5222         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
5223         eliminating an indirect call.
5224
5225 2009-04-29  Richard Guenther  <rguenther@suse.de>
5226
5227         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
5228         parameter.  Allow invariants as base if !require_lvalue.
5229         (verify_gimple_assign_single): Adjust.
5230
5231 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
5232
5233         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
5234         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
5235         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
5236         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
5237         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
5238         a VEC_SELECT.
5239         * config/bfin/bfin.c (bfin_expand_builtin,
5240         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
5241
5242 2009-04-28  Richard Guenther  <rguenther@suse.de>
5243
5244         * tree-vect-loop.c (get_initial_def_for_induction): Use
5245         correct types for pointer increment.
5246
5247 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5248
5249         * toplev.c (print_version): Update GMP version string calculation.
5250
5251 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
5252
5253         PR rtl-optimization/39938
5254         * resource.c (init_resource_info): Add call to df_analyze.
5255
5256 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
5257
5258         * config/alpha/alpha.md (usegp): Cast the result of
5259         alpha_find_lo_sum_using_gp to enum attr_usegp.
5260         * config/alpha/alpha.c (override_options): Remove end-of-structure
5261         marker element from cpu_table.  Use array size of cpu_table to handle
5262         -mcpu and -mtune options.
5263         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
5264
5265 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
5266
5267         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
5268         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
5269         tune_32 and tune_64.
5270         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
5271         support on PowerPC.
5272         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
5273         * config/rs6000/option-defaults.h: ... here.  New file.
5274         (OPT_64, OPT_32): Define.
5275         (MASK_64BIT): Define to 0 if not already defined.
5276         (OPT_ARCH64, OPT_ARCH32): Define.
5277         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
5278         and tune_64.
5279
5280 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5281
5282         * config/arm/arm.c (arm_override_options): Emit error on using
5283         fpa with AAPCS.
5284
5285 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
5286
5287         PR rtl-optimization/39914
5288         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
5289         registers for allocnos created from user-defined variables only
5290         when not optimizing.
5291
5292 2009-04-28  Richard Guenther  <rguenther@suse.de>
5293
5294         PR middle-end/39937
5295         * fold-const.c (fold_binary): Use distribute_real_division only
5296         on float types.
5297
5298 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
5299
5300         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
5301         add hpux-stdint.h to tm_file.
5302         (hppa[12]*-*-hpux11*): Ditto.
5303         (ia64*-*-hpux*): Ditto.
5304         * config/hpux-stdint.h: New.
5305         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
5306         __STDC_EXT__ for all compiles.
5307         * config/pa/pa-hpux.h: Ditto.
5308         * config/pa/pa-hpux10.h: Ditto.
5309         * config/pa/pa-hpux11.h: Ditto.
5310
5311 2009-04-28  Catherine Moore  <clm@codesourcery.com>
5312
5313         * debug.h (set_name): Add comment.
5314
5315 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
5316
5317         PR target/39929
5318         * config/darwin.c (machopic_gen_offset): Check
5319         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
5320         * config/arm/arm.c (require_pic_register): Likewise.
5321
5322 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
5323
5324         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
5325         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
5326         m32c_promote_prototypes): Delete.
5327
5328 2009-04-28  Michael Matz  <matz@suse.de>
5329
5330         PR middle-end/39922
5331         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
5332         constants.
5333
5334 2009-04-28  Richard Guenther  <rguenther@suse.de>
5335
5336         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
5337
5338 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5339
5340         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
5341         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
5342         * config/arm/arm-tune.md: Regenerate.
5343
5344 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
5345
5346         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
5347         block if there are complex incoming edges.
5348         (sel_merge_blocks): Remove useless assert.
5349         (sel_redirect_edge_and_branch): Check that edge was redirected.
5350         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
5351         (sel_find_rgns): Delete declaration.
5352         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
5353         the region when it is not a preheader.
5354
5355 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
5356
5357         PR c/39323
5358         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
5359
5360 2009-04-28  Richard Guenther  <rguenther@suse.de>
5361
5362         * tree.h (SSA_NAME_VALUE): Remove.
5363         (struct tree_ssa_name): Remove value_handle member.
5364         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
5365         array for jump threading.
5366         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
5367         SSA_NAME_VALUEs.
5368         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
5369         * tree-flow.h (threadedge_initialize_values): Declare.
5370         (threadedge_finalize_values): Likewise.
5371         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
5372         (SSA_NAME_VALUE): Define.
5373         (threadedge_initialize_values): New function.
5374         (threadedge_finalize_values): Likewise.
5375         * tree-ssa-dom.c (ssa_name_values): New global variable.
5376         (SSA_NAME_VALUE): Define.
5377         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
5378
5379 2009-04-28  Ira Rosen  <irar@il.ibm.com>
5380
5381         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
5382         Use REPORT_VECTORIZED_LOCATIONS instead
5383         REPORT_VECTORIZED_LOOPS.
5384         * tree-vectorizer.c (vect_verbosity_level): Make static.
5385         (vect_loop_location): Rename to vect_location.
5386         (vect_set_verbosity_level): Update comment.
5387         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
5388         and vect_location.
5389         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
5390         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
5391         instead REPORT_UNVECTORIZED_LOOPS.
5392         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
5393         and vect_loop_def to vect_external_def and vect_internal_def.
5394         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
5395         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and
5396         REPORT_UNVECTORIZED_LOCATIONS.
5397         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
5398         and vect_used_in_loop and to vect_unused_in_scope and
5399         vect_used_in_scope.
5400         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
5401         (vect_verbosity_level): Remove declaration.
5402         (vect_analyze_operations): Likewise.
5403         (vect_analyze_stmt): Declare.
5404         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
5405         REPORT_UNVECTORIZED_LOCATIONS.
5406         (vect_get_loop_niters): Fix indentation.
5407         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
5408         (vect_analyze_loop_operations): New function.
5409         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
5410         vect_analyze_operations.
5411         (vect_is_simple_reduction): Use new names.
5412         (vectorizable_live_operation, vect_transform_loop): Likewise.
5413         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
5414         to specify whether the data references can be a part of interleaving
5415         chain.
5416         (vect_analyze_data_ref_dependence): Use new names.
5417         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
5418         (vect_create_addr_base_for_vector_ref): Remove redundant code.
5419         * tree-vect-patterns.c (widened_name_p): Use new names.
5420         (vect_recog_dot_prod_pattern): Likewise.
5421         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
5422         (process_use, vect_mark_stmts_to_be_vectorized,
5423         vect_model_simple_cost, vect_model_store_cost,
5424         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
5425         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
5426         vectorizable_operation, vectorizable_type_demotion,
5427         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
5428         vectorizable_condition): Likewise.
5429         (vect_analyze_operations): Split into vect_analyze_loop_operations
5430         and ...
5431         (vect_analyze_stmt): ... new function.
5432         (new_stmt_vec_info): Use new names.
5433         (vect_is_simple_use): Use new names and fix comment.
5434         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
5435         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
5436
5437 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
5438
5439         PR target/39911
5440         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
5441         and integer modes for x87 operands.  Do not ICE for unsupported size,
5442         generate error instead.  Generate error for unsupported operand types.
5443         ['z']: Do not handle HImode memory operands specially.  Warning
5444         for floating-point operands.  Fallthru to 'Z' for unsupported operand
5445         types.  Do not ICE for unsupported size, generate error instead.
5446         (output_387_binary_op): Use %Z to output operands.
5447         (output_fp_compare): Ditto.
5448         (output_387_reg_move): Ditto.
5449
5450 2009-04-28  Ben Elliston  <bje@au.ibm.com>
5451
5452         PR c++/35652
5453         Revert:
5454
5455         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5456
5457         * builtins.c (c_strlen): Do not warn here.
5458         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
5459         * c-common.c (pointer_int_sum): Take an explicit location.
5460         Warn about offsets out of bounds.
5461         * c-common.h (pointer_int_sum): Adjust declaration.
5462
5463 2009-04-27  Ian Lance Taylor  <iant@google.com>
5464
5465         * collect2.c (is_ctor_dtor): Change type of ret field in struct
5466         names to symkind.
5467         * dce.c (run_fast_df_dce): Change type of old_flags to int.
5468         * df-core.c (df_set_flags): Change return type to int.  Change
5469         type of old_flags to int.
5470         (df_clear_flags): Likewise.
5471         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
5472         (df_get_conditional_uses): Likewise.
5473         * df.h (df_set_flags, df_clear_flags): Update declarations.
5474         * dwarf2out.c (struct indirect_string_node): Change type of form
5475         field to enum dwarf_form.
5476         (AT_string_form): Change return type to enum dwarf_form.
5477         * fixed-value.c (fixed_compare): Add cast to enum type.
5478         * fwprop.c (update_df): Change 0 to VOIDmode.
5479         * gensupport.c: Change 0 to UNKNOWN.
5480         * gimple.h (gimple_cond_code): Add cast to enum type.
5481         * haifa-sched.c (reemit_notes): Add cast to enum type.
5482         * hooks.c (hook_int_void_no_regs): Remove function.
5483         * hooks.h (hook_int_void_no_regs): Remove declaration.
5484         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
5485         * predict.c (combine_predictions_for_insn): Add casts to enum type.
5486         * real.c (real_arithmetic): Add cast to enum type.
5487         (real_compare): Likewise.
5488         * target.h (struct gcc_target): Change return type of
5489         branch_target_register_class to enum reg_class.
5490         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
5491         default_branch_target_register_class.
5492         * targhooks.c (default_branch_target_register_class): New function.
5493         * targhooks.h (default_branch_target_register_class): Declare.
5494         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
5495         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
5496         cast to int.
5497         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
5498         ERROR_MARK.
5499         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
5500         vect_uninitialized_def.  Change 0 to ERROR_MARK.
5501         * tree-vect-stmts.c (supportable_widening_operation): Don't
5502         initialize icode1 and icode2.
5503         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
5504         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
5505         and to STD_C89.
5506         (cmn_err_flag_specs): Change 0 to STD_C89.
5507         (cmn_err_char_table): Likewise.
5508         * config/arm/arm.c (get_arm_condition_code): Change type of code
5509         to enum arm_cond_code.
5510         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
5511         (IWMMXT_BUILTIN2): Likewise.
5512         (neon_builtin_type_bits): Don't define typedef.
5513         (neon_builtin_datum): Change type of bits field to int.
5514         (arm_expand_neon_args): Add cast to enum type.
5515         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
5516         TLS_MODEL_NONE.
5517         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
5518         casts to enum type.
5519         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
5520         MIPS_FP_COND_f.
5521         * config/mips/mips.md (jal_macro): Return enum constant.
5522         (single_insn): Likewise.
5523         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
5524         CODE_FOR_nothing.
5525         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5526         casts to enum type.
5527         * config/s390/s390.c (s390_tune_flags): Change type to int.
5528         (s390_arch_flags): Likewise.
5529         (s390_handle_arch_option): Change flags field of struct pta to int.
5530         * config/s390/s390.h (s390_tune_flags): Update declaration.
5531         (s390_arch_flags): Likewise.
5532         * config/sh/sh.c (prepare_move_operands): Compare
5533         tls_symbolic_operand result with enum constant.
5534         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
5535         (sh_expand_prologue): Add cast to enum type.
5536         (sh_expand_epilogue): Likewise.
5537         (tls_symbolic_operand): Change return type to enum tls_model.
5538         (fpscr_set_from_mem): Add cast to enum type.
5539         (legitimize_pic_address): Compare tls_symbolic_operand result with
5540         enum constant.
5541         (sh_target_reg_class): Change return type to enum reg_class.
5542         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
5543         PROCESSOR_xxx.
5544         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
5545         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
5546         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
5547         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
5548         (delayed_branch, tls_call_delay): Likewise.
5549         (eligible_for_sibcall_delay): Likewise.
5550         (eligible_for_return_delay): Likewise.
5551         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
5552         (spu_expand_builtin_1): Likewise.
5553
5554         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
5555         for all types of conversions.
5556         (output_init_element): Issue -Wc++-compat warning if needed when
5557         initializing a bitfield with enum type.
5558         * c-parser.c (c_parser_expression): Set original_type to
5559         original_type of right hand operand of comman operator.
5560
5561 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5562
5563         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
5564         grammar nits.
5565         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
5566         * doc/cpp.texi (Standard Predefined Macros)
5567         (Implementation-defined behavior): Likewise.
5568         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
5569         * doc/gimple.texi (GIMPLE Exception Handling)
5570         (@code{GIMPLE_ASSIGN}): Likewise.
5571         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
5572         * doc/invoke.texi (Warning Options, Optimize Options)
5573         (AVR Options, Darwin Options): Likewise.
5574         (Optimize Options): Reformulate -fwhole-program description.
5575         * doc/loop.texi (Lambda): Likewise.
5576         * doc/md.texi (Output Template, Define Constraints)
5577         (Standard Names, Insn Splitting): Likewise.
5578         * doc/options.texi (Option properties): Likewise.
5579         * doc/passes.texi (Tree-SSA passes): Likewise.
5580         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
5581         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
5582         (File Names and DBX): Likewise.
5583         * doc/trouble.texi (Incompatibilities): Likewise.
5584
5585 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
5586
5587         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
5588         instruction is correct.
5589
5590 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
5591
5592         Allow non-constant arguments to conversion intrinsics.
5593         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
5594         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
5595         * spu.c (print_operand): Handle 'v' and 'w'.
5596         (exp2_immediate_p, spu_gen_exp2): Define.
5597         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
5598         spu_convtf_1): Update parameter descriptions.
5599         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
5600         * constraints.md ('v', 'w'): New.
5601         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
5602         Remove.
5603         (i2f, I2F): New define_mode_attr.
5604         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
5605         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
5606         fixuns_truncv4sfv4si2):  Update to use mode attribute.
5607         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
5608         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
5609         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
5610         patterns for combine.
5611
5612 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
5613
5614         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
5615         (cprop, hoist, pre, store_motion): New debug counters.
5616         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
5617         is not an RTL pass anymore.
5618         (pass_profiling): Remove extern decl for pass removed in 2005.
5619         (pass_gcse, pass_jump_bypass): Remove.
5620         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
5621         to 0 for clean state.
5622         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
5623         * cse.c (gate_handle_cse_after_global_opts,
5624         rest_of_handle_cse_after_global_opts): New functions.
5625         (pass_cse_after_global_opts): New pass, does local CSE.
5626         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
5627         (TV_CPROP): New timevar.
5628         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
5629         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
5630         (gcse_main, recompute_all_luids): Remove.
5631         (compute_hash_table_work): Call max_reg_num instead of reading
5632         max_gcse_regno.
5633         (cprop_jump): Don't set run_jump_opt_after_gcse.
5634         (constprop_register): Always allow to alter jumps.
5635         (cprop_insn): Likewise.
5636         (do_local_cprop): Likewise.
5637         (local_cprop_pass): Likewise.  Return non-zero if something changed.
5638         (cprop): Remove function, fold interesting bits into one_cprop_pass.
5639         (find_implicit_sets): Add note about missed optimization opportunity.
5640         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
5641         pass_rtl_cprop execute function.
5642         Don't bother tracking the pass number, each pass gets its own dumpfile
5643         now anyway.
5644         Always allow to alter jumpsand bypass jumps.
5645         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
5646         will just find no suitable set.
5647         (pre_edge_insert): Fix dumping, this function is for PRE only.
5648         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
5649         pass_rtl_pre execute function.
5650         (hoist_code): Return non-zero if something changed.  Keep track of
5651         substitutions and insertions for statistics gathering similar to PRE.
5652         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
5653         called from the pass_rtl_hoist execute function.  Show pass statistics.
5654         (compute_store_table): Use max_reg_num directly instead of using the
5655         formerly global max_gcse_regno.
5656         (build_store_vectors): Likewise.
5657         (replace_store_insn): Fix dumping.
5658         (store_motion): Rename to ...
5659         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
5660         pass, called from the pass_rtl_store_motion execute function.  Keep
5661         track of substitutions and insertions for statistics gathering similar
5662         to PRE.
5663         (bypass_jumps): Remove, fold interesting bits into ...
5664         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
5665         from the pass_rtl_cprop execute function.
5666         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
5667         pass_jump_bypass): Remove.
5668         (gate_handle_gcse, rest_of_handle_gcse): Remove.
5669         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
5670         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
5671         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
5672         (gate_rtl_store_motion, execute_rtl_store_motion,
5673         pass_rtl_store_motion): New.
5674         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
5675         make it clear that -fcse-skip-blocks is a no-op for backward compat.
5676         * passes.c (init_optimization_passes): Remove pass_gcse and
5677         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
5678         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
5679         instead of pass_jump_bypass.
5680
5681 2009-04-27  Richard Guenther  <rguenther@suse.de>
5682
5683         PR middle-end/39928
5684         * gimplify.c (gimplify_expr): If we are required to create
5685         a temporary make sure it ends up as register.
5686
5687 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5688
5689         PR target/39903
5690         * config/i386/i386.c (construct_container): Don't call
5691         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
5692         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
5693
5694 2009-04-27  Michael Matz  <matz@suse.de>
5695
5696         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
5697         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
5698         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
5699         (dump_replaceable_exprs): Take a bitmap.
5700         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
5701         array.
5702         (expand_gimple_basic_block): Likewise.
5703         * tree-ssa-ter.c (struct temp_expr_table_d): Make
5704         replaceable_expressions member a bitmap.
5705         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
5706         (mark_replaceable): Likewise.
5707         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
5708         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
5709
5710 2009-04-27  Richard Guenther  <rguenther@suse.de>
5711
5712         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
5713         (verify_stmts): Dispatch to gimple/type verification code.
5714         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
5715         issue with call argument types.
5716
5717 2009-04-27  Michael Matz  <matz@suse.de>
5718
5719         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
5720         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
5721         to above.
5722
5723 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
5724             Eric Botcazou  <ebotcazou@adacore.com>
5725
5726         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
5727         a label's basic block.
5728         (mark_target_live_regs): Tidy and rework obsolete comments.
5729         Change back DF problem to LIVE.  If a label starts a basic block,
5730         assume that all registers that used to be live then still are.
5731         (init_resource_info): If a label starts a basic block, set its
5732         BLOCK_FOR_INSN accordingly.
5733         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
5734
5735 2009-04-27  Richard Guenther  <rguenther@suse.de>
5736
5737         * tree-flow-inline.h (function_ann): Remove.
5738         (get_function_ann): Likewise.
5739         * tree-dfa.c (create_function_ann): Remove.
5740         * tree-flow.h (struct static_var_ann_d): Remove.
5741         (struct function_ann_d): Likewise.
5742         (union tree_ann_d): Remove fdecl member.
5743         (function_ann_t): Remove.
5744         (function_ann, get_function_ann, create_function_ann): Remove
5745         declarations.
5746
5747 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
5748
5749         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
5750
5751 2009-04-27  Jan Hubicka  <jh@suse.cz>
5752
5753         * ipa-pure-const.c (struct funct_state_d): New fields
5754         state_previously_known, looping_previously_known; remove
5755         state_set_in_source.
5756         (analyze_function): Use new fields.
5757         (propagate): Avoid assumption that state_set_in_source imply
5758         nonlooping.
5759
5760         * tree-ssa-loop-niter.c (finite_loop_p): New function.
5761         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
5762         * cfgloop.h (finite_loop_p): Declare.
5763
5764 2009-04-26  Michael Matz  <matz@suse.de>
5765
5766         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
5767
5768 2009-04-26  Michael Matz  <matz@suse.de>
5769
5770         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
5771         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
5772         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
5773         pass_mark_used_blocks): Remove.
5774         * tree-optimize.c (pass_free_datastructures,
5775         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
5776         * passes.c (init_optimization_passes): Don't call
5777         pass_mark_used_blocks, remove dead code.
5778
5779 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
5780
5781         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
5782         * tree-ssa-live.h (register_ssa_partition): Likewise.
5783
5784 2009-04-26  Michael Matz  <matz@suse.de>
5785
5786         Expand from SSA.
5787         * builtins.c (fold_builtin_next_arg): Handle SSA names.
5788         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
5789         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
5790         SSA names.
5791         (compare_pairs): Swap cost comparison.
5792         (coalesce_ssa_name): Don't use change_partition_var.
5793         * tree-nrv.c (struct nrv_data): Add modified member.
5794         (finalize_nrv_r): Set it.
5795         (tree_nrv): Use it to update statements.
5796         (pass_nrv): Require PROP_ssa.
5797         * tree-mudflap.c (mf_decl_cache_locals,
5798         mf_build_check_statement_for): Use make_rename_temp.
5799         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
5800         * alias.c (find_base_decl): Handle SSA names.
5801         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
5802         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
5803         * rtl.h (set_reg_attrs_for_parm): Declare.
5804         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
5805         to "optimized", remove unused locals at finish.
5806         (execute_free_datastructures): Make global, call
5807         delete_tree_cfg_annotations.
5808         (execute_free_cfg_annotations): Don't call
5809         delete_tree_cfg_annotations.
5810
5811         * ssaexpand.h: New file.
5812         * expr.c (toplevel): Include ssaexpand.h.
5813         (expand_assignment): Handle SSA names the same as register variables.
5814         (expand_expr_real_1): Expand SSA names.
5815         * cfgexpand.c (toplevel): Include ssaexpand.h.
5816         (SA): New global variable.
5817         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
5818         (SSAVAR): New macro.
5819         (set_rtl): New helper function.
5820         (add_stack_var): Deal with SSA names, use set_rtl.
5821         (expand_one_stack_var_at): Likewise.
5822         (expand_one_stack_var): Deal with SSA names.
5823         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
5824         before unique numbers.
5825         (expand_stack_vars): Use set_rtl.
5826         (expand_one_var): Accept SSA names, add asserts for them, feed them
5827         to above subroutines.
5828         (expand_used_vars): Expand all partitions (without default defs),
5829         then only the local decls (ignoring those expanded already).
5830         (expand_gimple_cond): Remove edges when jumpif() expands an
5831         unconditional jump.
5832         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
5833         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
5834         SSA name.
5835         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
5836         members of SA; deal with PARM_DECL partitions here; expand
5837         all PHI nodes, free tree datastructures and SA.  Commit instructions
5838         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
5839         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
5840         info and statements at start, collect garbage at finish.
5841         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
5842         (VAR_ANN_PARTITION) Remove.
5843         (change_partition_var): Don't declare.
5844         (partition_to_var): Always return SSA names.
5845         (var_to_partition): Only accept SSA names.
5846         (register_ssa_partition): Only check argument.
5847         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
5848         member.
5849         (delete_var_map): Don't free it.
5850         (var_union): Only accept SSA names, simplify.
5851         (partition_view_init): Mark only useful SSA names as used.
5852         (partition_view_fini): Only deal with SSA names.
5853         (change_partition_var): Remove.
5854         (dump_var_map): Use ssa_name instead of partition_to_var member.
5855         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
5856         basic blocks.
5857         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
5858         (struct _elim_graph): New member const_dests; nodes member vector of
5859         ints.
5860         (set_location_for_edge): New static helper.
5861         (create_temp): Remove.
5862         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
5863         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
5864         (new_elim_graph): Allocate const_dests member.
5865         (clean_elim_graph): Truncate const_dests member.
5866         (delete_elim_graph): Free const_dests member.
5867         (elim_graph_size): Adapt to new type of nodes member.
5868         (elim_graph_add_node): Likewise.
5869         (eliminate_name): Likewise.
5870         (eliminate_build): Don't take basic block argument, deal only with
5871         partition numbers, not variables.
5872         (get_temp_reg): New static helper.
5873         (elim_create): Use it, deal with RTL temporaries instead of trees.
5874         (eliminate_phi): Adjust all calls to new signature.
5875         (assign_vars, replace_use_variable, replace_def_variable): Remove.
5876         (rewrite_trees): Only do checking.
5877         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
5878         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
5879         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
5880         contains_tree_r, MAX_STMTS_IN_LATCH,
5881         process_single_block_loop_latch, analyze_edges_for_bb,
5882         perform_edge_inserts): Remove.
5883         (expand_phi_nodes): New global function.
5884         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
5885         functions, initialize new parameter, remember partitions having a
5886         default def.
5887         (finish_out_of_ssa): New global function.
5888         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
5889         don't reset in_ssa_p here, don't disable TER when mudflap.
5890         (pass_del_ssa): Remove.
5891         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
5892         partition members.
5893         (execute_free_datastructures): Declare.
5894         * Makefile.in (SSAEXPAND_H): New variable.
5895         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
5896         * basic-block.h (commit_one_edge_insertion): Declare.
5897         * passes.c (init_optimization_passes): Move pass_nrv and
5898         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
5899         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
5900         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
5901         (redirect_branch_edge): Deal with super block when expanding, split
5902         out jump patching itself into ...
5903         (patch_jump_insn): ... here, new static helper.
5904
5905 2009-04-26  Michael Matz  <matz@suse.de>
5906
5907         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
5908         beyond num_ssa_names.
5909         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
5910         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
5911
5912 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
5913
5914         PR inline-asm/39543
5915         * fwprop.c (forward_propagate_asm): New function.
5916         (forward_propagate_and_simplify): Propagate also into __asm, if it
5917         doesn't increase the number of referenced registers.
5918
5919         PR c/39889
5920         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
5921
5922 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
5923
5924         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
5925         note_nonlocal_vla_type for nonlocal VLAs.
5926         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
5927         contains_remapped_vars, remap_vla_decls): New functions.
5928         (convert_nonlocal_reference_stmt): If not optimizing, call
5929         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
5930         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
5931         if it wasn't found in var_map.
5932         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
5933         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
5934         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
5935         declare_vars.
5936         * gimplify.c (nonlocal_vlas): New variable.
5937         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
5938         referenced VLAs.
5939         (gimplify_body): Create and destroy nonlocal_vlas.
5940
5941         * dwarf2out.c (loc_descr_plus_const): New function.
5942         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
5943         mem_loc_descriptor, loc_descriptor_from_tree_1,
5944         descr_info_loc, gen_variable_die): Use it.
5945
5946         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
5947         !TREE_STATIC VAR_DECLs.
5948         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
5949         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
5950         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
5951         DECL_BY_REFERENCE is valid.
5952         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
5953         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
5954         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
5955         Copy DECL_BY_REFERENCE.
5956         (struct nesting_copy_body_data): New type.
5957         (nesting_copy_decl): New function.
5958         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
5959         if they have variable length.
5960
5961 2009-04-26  Michael Matz  <matz@suse.de>
5962
5963         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
5964         mark new temporaries for renaming.
5965
5966 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
5967
5968         PR c/39581
5969         * c-decl.c (global_bindings_p): Return negative value.
5970         (c_variable_size): New.  Based on variable_size from
5971         stor-layout.c.
5972         (grokdeclarator): Call c_variable_size not variable_size.
5973
5974 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
5975
5976         * config/i386/i386.c (print_operand) ['z']: Fix typo.
5977
5978 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
5979
5980         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
5981         Redefine it to just use mingw/include.
5982         (ASM_SPEC): Rules for -m32 and -m64.
5983         (LINK_SPEC): Use Likewise.
5984         (SPEC_32): New define.
5985         (SPEC_64): Likewise.
5986         (SUB_LINK_SPEC): Likewise.
5987         (MULTILIB_DEFAULTS): New define.
5988         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
5989         Add multilib options.
5990         (MULTILIB_DIRNAMES): Likewise.
5991         (MULTILIB_OSDIRNAMES): Likewise.
5992         (LIBGCC): Likewise.
5993         (INSTALL_LIBGCC): Likewise.
5994
5995 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
5996
5997         PR c/39556
5998         * c-tree.h (enum c_inline_static_type): New.
5999         (record_inline_static): Declare.
6000         * c-decl.c (struct c_inline_static, c_inline_statics,
6001         record_inline_static, check_inline_statics): New.
6002         (pop_file_scope): Call check_inline_statics.
6003         (start_decl): Call record_inline_static instead of pedwarning
6004         directly for static in inline function.
6005         * c-typeck.c (build_external_ref): Call record_inline_static
6006         instead of pedwarning directly for static referenced in inline
6007         function.
6008
6009 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
6010
6011         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
6012         not new but only being rescanned.
6013         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
6014         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
6015         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
6016         record_set_info, compute_set, grealloc): Remove.
6017         (recompute_all_luids): New function.
6018         (gcse_main): Don't compute sets, and don't do related memory
6019         allocations/free-ing.  If something changed before the end of the
6020         pass, update LUIDs using recompute_all_luids.
6021         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
6022         (free_gcse_mem): Don't free it either.
6023         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
6024         Use the df insn LUIDs.
6025         (load_killed_in_block): Likewise.
6026         (compute_hash_table_work): Don't compute reg_set_in_block.
6027         (compute_transp): Use DF_REG_DEF_CHAINs.
6028         (local_cprop_pass): Don't use compute_sets and related functions.
6029         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
6030         Use get_max_uid() instead of max_cuid.
6031         (insert_insn_end_basic_block, pre_insert_copy_insn,
6032         update_ld_motion_stores): Don't try to
6033         keep reg_set tables up to date.
6034         (pre_insert_copies): Use df insn LUIDs.
6035         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
6036         (reg_set_info): Don't use extra bitmap argument.
6037         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
6038         information to compute regs_set_in_block.
6039         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
6040         (bypass_jumps): Don't use compute_sets and friends.
6041
6042 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6043
6044         PR testsuite/39710
6045         * opts.c (undocumented_msg): Do not leave blank even with
6046         ENABLE_CHECKING.
6047
6048 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
6049
6050         * c-decl.c (build_enumerator): Allow values folding to integer
6051         constants but not integer constant expressions with a pedwarn if
6052         pedantic.
6053
6054 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
6055
6056         PR c/39582
6057         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
6058         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
6059         type is an integer constant.
6060
6061 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
6062
6063         PR target/39897
6064         * config/i386/i386.c (print_operand) ['z']: Revert handling of
6065         HImode operands.
6066
6067 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
6068
6069         PR c/39564
6070         * c-decl.c (grokdeclarator): Diagnose declarations of functions
6071         with variably modified return type and no storage class
6072         specifiers, except for the case of nested functions.  Distinguish
6073         extern declarations of functions with variably modified return
6074         types from those of objects with variably modified types.
6075
6076 2009-04-25  Jan Hubicka  <jh@suse.cz>
6077
6078         * tree.c (list_equal_p): New function.
6079         * tree.h (list_equal_p): Declare.
6080         * coretypes.h (edge_def, edge, const_edge, basic_block_def
6081         basic_block_def, basic_block, const_basic_block): New.
6082         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
6083         (redirect_eh_edge): New function.
6084         (make_eh_edge_update_phi): EH edges are not abnormal.
6085         * except.c: Include tree-flow.h.
6086         (list_match): New function.
6087         (eh_region_replaceable_by_p): New function.
6088         (replace_region): New function.
6089         (hash_type_list): New function.
6090         (hash_eh_region): New function.
6091         (eh_regions_equal_p): New function.
6092         (merge_peers): New function.
6093         (remove_unreachable_regions): Verify EH tree when checking;
6094         merge peers.
6095         (copy_eh_region_1): New function.
6096         (copy_eh_region): New function.
6097         (push_reachable_handler): New function.
6098         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
6099         regions without label but with live RESX.
6100         * except.h (redirect_eh_edge_to_label): New.
6101         * tree-flow.h (redirect_eh_edge): New.
6102         * coretypes.h (edge_def, edge, const_edge, basic_block_def
6103         basic_block_def, basic_block, const_basic_block): Remove.
6104         * Makefile.in (except.o): Add dependency on tree-flow.h
6105         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
6106         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
6107         Remove.
6108
6109 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
6110
6111         PR bootstrap/39645
6112         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
6113         on the destination of memcpy.
6114
6115 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
6116
6117         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
6118         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
6119         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
6120
6121 2009-04-25  Jan Hubicka  <jh@suse.cz>
6122
6123         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
6124         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
6125         to be reached by different label than left.
6126         (update_eh_edges): Update comment; remove edge_to_remove if possible
6127         and return true if suceeded.
6128         (cleanup_empty_eh): Accept sharing map; handle shared regions.
6129         (cleanup_eh): Compute sharing map.
6130         * except.c (remove_eh_handler_and_replace): Add argument if we should
6131         update regions.
6132         (remove_unreachable_regions): Update for label sharing.
6133         (label_to_region_map): Likewise.
6134         (get_next_region_sharing_label): New function.
6135         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
6136         prev_try pointers.
6137         (remove_eh_handler): Update.
6138         (remove_eh_region_and_replace_by_outer_of): New function.
6139         * except.h (struct eh_region): Add next_region_sharing_label.
6140         (remove_eh_region_and_replace_by_outer_of,
6141         get_next_region_sharing_label): Declare.
6142         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
6143
6144 2009-04-25  Jan Hubicka  <jh@suse.cz>
6145
6146         * tree-cfg.c (split_critical_edges): Split also edges where we can't
6147         insert code even if they are not critical.
6148
6149 2009-04-25  Jan Hubicka  <jh@suse.cz>
6150
6151         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
6152         (gimple_can_remove_branch_p): EH edges won't remove branch by
6153         redirection.
6154         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
6155         updating of non-abnormal EH edges.
6156         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
6157         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
6158         (split_critical_edges): Split also edges where emitting code on them
6159         will lead to splitting later.
6160
6161 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
6162             H.J. Lu  <hongjiu.lu@intel.com>
6163
6164         PR target/39590
6165         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
6166         the configured assembler supports fildq and fistpq mnemonics.
6167         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
6168         * configure: Regenerated.
6169         * config.in: Ditto.
6170
6171         * config/i386/i386.c (print_operand): Handle 'Z'.
6172         ['z']: Remove handling of special fild/fist suffixes.
6173         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
6174         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
6175         suffix of fild insn.
6176         (*floatsi<mode>2_vector_mixed): Ditto.
6177         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
6178         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
6179         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
6180         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
6181         * config/i386/gas.h (GAS_MNEMONICS): Remove.
6182
6183 2009-04-25  Ben Elliston  <bje@au.ibm.com>
6184
6185         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
6186         the source of a set operation.
6187
6188 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
6189
6190         * target.h (struct gcc_target): Add case_values_threshold field.
6191         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
6192         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
6193         * targhooks.c (default_case_values_threshold): New function.
6194         * targhooks.h (default_case_values_threshold): Declare function.
6195         * stmt.c (expand_case): Use case_values_threshold target hook.
6196         * expr.h (case_values_threshold): Remove declartation.
6197         * expr.c (case_values_threshold): Remove function.
6198         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
6199
6200         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
6201         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
6202         (avr_case_values_threshold): Declare as static.
6203         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
6204
6205         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
6206         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
6207         (mn10300_case_values_threshold): New function.
6208
6209 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
6210
6211         * ira.c (setup_cover_and_important_classes): Add enum cast.
6212
6213 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
6214
6215         * genpreds.c (write_enum_constraint_num): Output definition of
6216         CONSTRAINT_NUM_DEFINED_P macro.
6217         * ira.c (setup_cover_and_important_classes): Use
6218         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
6219
6220 2009-04-24  DJ Delorie  <dj@redhat.com>
6221
6222         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
6223         __SH2A_SINGLE_ONLY__ also.
6224
6225 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
6226
6227         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
6228         (movdf_internal): Ditto.
6229         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
6230         SFmode and DFmode constants.
6231         (ia64_print_operand): Add 'G' format for printing
6232         floating point constants.
6233
6234 2009-04-24  Richard Guenther  <rguenther@suse.de>
6235
6236         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
6237         from unsigned additions.
6238
6239 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
6240
6241         * c-typeck.c (set_init_index): Allow array designators that are
6242         not integer constant expressions with a pedwarn if pedantic.
6243
6244 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
6245
6246         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
6247         zero if no overlap in nonzero bits between the operands.
6248
6249 2009-04-24  Ian Lance Taylor  <iant@google.com>
6250
6251         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
6252         (record_dead_and_set_regs): Likewise.
6253         * df.h (struct df_mw_hardreg): Change flags field to int.
6254         (struct df_base_ref): Likewise.
6255         (struct df): Change changeable_flags field to int.
6256         * df-scan.c (df_defs_record): Change clobber_flags to int.
6257         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
6258         constants rather than #define macros.
6259         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
6260         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
6261         (enum dwarf_calling_convention): Likewise.
6262         (enum dwarf_line_number_x_ops): Likewise.
6263         (enum dwarf_call_frame_info): Likewise.
6264         (enum dwarf_source_language): Likewise.
6265         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
6266         (add_calling_convention_attribute): Likewise.
6267         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
6268         (combine_comparisons): Change compcode to int.  Add cast to enum type.
6269         * genrecog.c (maybe_both_true_2): Change c to int.
6270         (write_switch): Likewise.  Add cast to enum type.
6271         * gimplify.c (gimplify_omp_for): Handle return values from
6272         gimplify_expr using MIN rather than bitwise or.
6273         (gimplify_expr): Add cast to enum type.
6274         * ipa-prop.c (update_jump_functions_after_inlining): Change
6275         IPA_BOTTOM to IPA_JF_UNKNOWN.
6276         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
6277         Add casts to enum type.
6278         (setup_cover_and_important_classes): Change cl to int.  Add casts
6279         to enum type.
6280         (setup_class_translate): Change cl and mode to int.
6281         (ira_init_once): Change mode to int.
6282         (free_register_move_costs): Likewise.
6283         (setup_prohibited_mode_move_regs): Add casts to enum type.
6284         * langhooks.c (add_builtin_function_common): Rework assertion that
6285         value fits bitfield.
6286         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
6287         * omega.c (omega_do_elimination): Avoid math on enum types.
6288         * optabs.c (expand_vec_shift_expr): Remove casts to int.
6289         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
6290         int local to handle integral_argment value.
6291         * regmove.c (try_auto_increment): Change PUT_MODE to
6292         PUT_REG_NOTE_KIND.
6293         * reload.c (push_secondary_reload): Add casts to enum type.
6294         (secondary_reload_class, find_valid_class): Likewise.
6295         * reload1.c (emit_input_reload_insns): Likewise.
6296         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
6297         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
6298         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
6299         constant.
6300         * tree.c (build_common_builtin_nodes): Add casts to enum type.
6301         * tree-complex.c (complex_lattice_t): Typedef to int rather than
6302         enum type.
6303         (expand_complex_libcall): Add casts to enum type.
6304         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
6305         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
6306         with ERROR_MARK, not NUM_TREE_CODES.
6307         (vect_create_epilog_for_reduction): Likewise.
6308         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
6309         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
6310         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
6311         enum machine_mode.
6312         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
6313         vect_unused_in_loop.  Change 0 to loop_vect.
6314         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
6315         * var-tracking.c (get_init_value): Change return type to enum
6316         var_init_status.
6317         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
6318         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
6319         arm_fp_model.
6320         (arm_override_options): Add casts to enum type.
6321         (arm_emit_tls_decoration): Likewise.
6322         * config/i386/i386.c (ix86_function_specific_restore): Add casts
6323         to enum type.
6324         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
6325         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
6326         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
6327         enum type.
6328         * config/s390/s390.c (code_for_builtin_64): Change to array of
6329         enum insn_code.
6330         (code_for_builtin_31): Likewise.
6331         (s390_expand_builtin): Change code_for_builtin to enum insn_code
6332         const *.
6333         * config/sparc/sparc.c (sparc_override_options): Change value
6334         field in struct code_model to enum cmodel.  In initializer change
6335         0 to NULL and add cast to enum type.
6336
6337         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
6338         Change all callers.  Issue a -Wc++-compat warning using
6339         lhs_origtype if necessary.
6340         (convert_for_assignment): Issue -Wc++-compat warnings about
6341         invalid conversions to enum type on assignment.
6342         * c-common.h (build_modify_expr): Update declaration.
6343
6344 2009-04-24  Nick Clifton  <nickc@redhat.com>
6345
6346         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
6347         (function_arg_advance): Likewise.
6348         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
6349         5th alternative.
6350
6351 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
6352
6353         * config/s390/constraints.md ('I', 'J'): Fix condition.
6354
6355 2009-04-24  Diego Novillo  <dnovillo@google.com>
6356
6357         * gengtype-parse.c (parse_error): Add newline after message.
6358
6359 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
6360
6361         * config/i386/sse.md (avxmodesuffixs): Removed.
6362         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
6363         (*avx_pinsr<ssevecsize>): This.
6364
6365 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
6366
6367         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
6368         follow chains of regs with a single definition, and allow expressions
6369         that are function_invariant_p.
6370         (simple_rhs_p): Allow expressions that are function_invariant_p.
6371
6372 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
6373
6374         PR middle-end/39867
6375         * fold-const.c (fold_cond_expr_with_comparison): When folding
6376         > and >= to MAX, make sure the MAX uses the same type as the
6377         comparison's operands.
6378
6379 2009-04-24  Nick Clifton  <nickc@redhat.com>
6380
6381         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
6382         addressing for DImode accesses.
6383         (frv_print_operand_address): Handle PLUS case.
6384         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
6385
6386 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
6387
6388         PR rtl-optimization/39794
6389         * alias.c (canon_true_dependence): Add x_addr argument.
6390         * rtl.h (canon_true_dependence): Adjust prototype.
6391         * cse.c (check_dependence): Adjust canon_true_dependence callers.
6392         * cselib.c (cselib_invalidate_mem): Likewise.
6393         * gcse.c (compute_transp): Likewise.
6394         * dse.c (scan_reads_nospill): Likewise.
6395         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
6396         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
6397         canon_base_addr of the group, plus optional offset.
6398         (struct group_info): Rename canon_base_mem to
6399         canon_base_addr.
6400         (get_group_info): Set canon_base_addr to canon_rtx of base, not
6401         canon_rtx of base_mem.
6402
6403 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
6404
6405         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
6406         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
6407
6408 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6409
6410         * config/spu/spu-builtins.h: Delete file.
6411
6412         * config/spu/spu.h (enum spu_builtin_type): Move here from
6413         spu-builtins.h.
6414         (struct spu_builtin_description): Likewise.  Add GTY marker.
6415         Do not use enum spu_function_code or enum insn_code.
6416         (spu_builtins): Add extern declaration.
6417
6418         * config/spu/spu.c: Do not include "spu-builtins.h".
6419         (enum spu_function_code, enum spu_builtin_type_index,
6420         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
6421         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
6422         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
6423         unsigned_V2DI_type_node): Move here from spu-builtins.h.
6424         (spu_builtin_types): Make static.  Add GTY marker.
6425         (spu_builtins): Add extern declaration with GTY marker.
6426         Include "gt-spu.h".
6427
6428         * config/spu/spu-c.c: Do not include "spu-builtins.h".
6429         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
6430         Check programmatically whether all parameters are scalar.
6431
6432         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
6433
6434 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
6435
6436         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
6437         assignment from the constructor either if the target is volatile.
6438
6439 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
6440
6441         * config/arm/arm.md (insv): Do not share operands[0].
6442
6443 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
6444
6445         * config/vxlib-tls.c (active_tls_threads): Delete.
6446         (delete_hook_installed): New.
6447         (tls_delete_hook): Don't delete the delete hook.
6448         (tls_destructor): Delete it here.
6449         (__gthread_set_specific): Adjust installing the delete hook.
6450         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
6451         __gthread_leave_tsd_dtor_context.
6452
6453 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
6454
6455         * c-format.c (gcc_tdiag_char_table): Add support for %E.
6456
6457 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
6458
6459         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
6460         enum type.
6461         (alpha_rtx_costs): Ditto.
6462         (emit_unlikely_jump): Use add_reg_note.
6463         (emit_frame_store_1): Ditto.
6464         (alpha_expand_prologue): Ditto.
6465         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
6466         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
6467
6468 2009-04-23  Nick Clifton  <nickc@redhat.com>
6469
6470         * config/v850/v850.md (epilogue): Remove suppressed code.
6471         (return): Rename to return_simple and remove test of frame size.
6472         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
6473         to gen_return_simple.
6474
6475 2009-04-22  Jing Yu  <jingyu@google.com>
6476
6477         PR testsuite/39781
6478         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
6479
6480 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6481
6482         PR C/31499
6483         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
6484         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
6485         value is a VECTOR_CST, the element type is the element type of the
6486         vector.
6487
6488 2009-04-22  DJ Delorie  <dj@redhat.com>
6489
6490         * config/m32c/m32c.h: Update GTY annotations to new syntax.
6491
6492 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
6493
6494         * alias.c (find_base_term): Move around LO_SUM case, so that
6495         CONST falls through into PLUS/MINUS handling.
6496
6497         PR c/39855
6498         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
6499         into 0, use omit_one_operand.
6500
6501 2009-04-23  Ben Elliston  <bje@au.ibm.com>
6502
6503         * config/rs6000/linux-unwind.h (get_regs): Remove type
6504         puns. Change the type of `pc' to an array of unsigned ints and
6505         update all users.  Constify frame24.
6506
6507 2009-04-22  DJ Delorie  <dj@redhat.com>
6508
6509         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
6510         declarations before code.
6511         (current_function_special_page_vector): Likewise.
6512         (m32c_expand_insv): Silence a warning.
6513
6514 2009-04-21  Taras Glek  <tglek@mozilla.com>
6515
6516         * alias.c: Update GTY annotations to new syntax.
6517         * basic-block.h: Likewise.
6518         * bitmap.h: Likewise.
6519         * c-common.h: Likewise.
6520         * c-decl.c: Likewise.
6521         * c-parser.c: Likewise.
6522         * c-pragma.c: Likewise.
6523         * c-tree.h: Likewise.
6524         * cfgloop.h: Likewise.
6525         * cgraph.h: Likewise.
6526         * config/alpha/alpha.c: Likewise.
6527         * config/arm/arm.h: Likewise.
6528         * config/avr/avr.h: Likewise.
6529         * config/bfin/bfin.c: Likewise.
6530         * config/cris/cris.c: Likewise.
6531         * config/darwin.c: Likewise.
6532         * config/frv/frv.c: Likewise.
6533         * config/i386/i386.c: Likewise.
6534         * config/i386/i386.h: Likewise.
6535         * config/i386/winnt.c: Likewise.
6536         * config/ia64/ia64.h: Likewise.
6537         * config/iq2000/iq2000.c: Likewise.
6538         * config/mips/mips.c: Likewise.
6539         * config/mmix/mmix.h: Likewise.
6540         * config/pa/pa.c: Likewise.
6541         * config/pa/pa.h: Likewise.
6542         * config/rs6000/rs6000.c: Likewise.
6543         * config/s390/s390.c: Likewise.
6544         * config/sparc/sparc.c: Likewise.
6545         * config/xtensa/xtensa.c: Likewise.
6546         * cselib.h: Likewise.
6547         * dbxout.c: Likewise.
6548         * dwarf2out.c: Likewise.
6549         * except.c: Likewise.
6550         * except.h: Likewise.
6551         * fixed-value.h: Likewise.
6552         * function.c: Likewise.
6553         * function.h: Likewise.
6554         * gimple.h: Likewise.
6555         * integrate.c: Likewise.
6556         * optabs.c: Likewise.
6557         * output.h: Likewise.
6558         * real.h: Likewise.
6559         * rtl.h: Likewise.
6560         * stringpool.c: Likewise.
6561         * tree-data-ref.c: Likewise.
6562         * tree-flow.h: Likewise.
6563         * tree-scalar-evolution.c: Likewise.
6564         * tree-ssa-address.c: Likewise.
6565         * tree-ssa-alias.h: Likewise.
6566         * tree-ssa-operands.h: Likewise.
6567         * tree.c: Likewise.
6568         * tree.h: Likewise.
6569         * varasm.c: Likewise.
6570         * varray.h: Likewise.
6571         * vec.h: Likewise.
6572         * coretypes.h: Do not define GTY macro if it is already defined.
6573         * doc/gty.texi: Update GTY documentation to new syntax.
6574         * gengtype-lex.l: Enforce attribute-like syntax for GTY
6575         annotations on structs.
6576         * gengtype-parse.c: Likewise.
6577
6578 2009-04-22  Mark Heffernan  <meheff@google.com>
6579
6580         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
6581
6582 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
6583
6584         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
6585         where appropriate.
6586
6587 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
6588
6589         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
6590         the same as a PLUS without a shift.  Increase the cost of a
6591         CONST_INT in MULT.
6592
6593 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6594
6595         * Makefile.in: Update dependencies.
6596         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
6597         * errors.h: Remove bogus comment about compatibility.
6598         (warning): Update declaration.
6599         * genautomata.c: Update all calls to warning.
6600         * gimple.c: Do not include errors.h. Include toplev.h.
6601         * tree-ssa-structalias.c: Do not include errors.h.
6602         * omega.c: Likewise.
6603         * tree-ssa-reassoc.c: Likewise.
6604         * config/spu/spu-c.c: Likewise.
6605         * config/spu/t-spu-elf: Update dependencies.
6606
6607 2009-04-22  Richard Guenther  <rguenther@suse.de>
6608
6609         PR tree-optimization/39824
6610         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
6611         make sure the types are compatible.
6612
6613 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6614
6615         PR c++/14875
6616         * c-common.c (c_parse_error): Take a token_flags parameter.
6617         Use token_type for the token type instead.
6618         Pass token_flags to cpp_type2name.
6619         * c-common.h (c_parse_error): Update declaration.
6620         * c-parser.c (c_parser_error): Pass 0 as token flags.
6621
6622 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
6623
6624         PR rtl-optimization/39580
6625         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.
6626
6627 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6628
6629         * function.c (expand_function_end): Do not emit a jump to the "naked"
6630         return label for fall-through returns.
6631         * except.c (sjlj_emit_function_exit): Always place the call to the
6632         unregister function at the location installed by expand_function_end.
6633
6634 2009-04-22  Richard Guenther  <rguenther@suse.de>
6635
6636         PR tree-optimization/39845
6637         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
6638         (gen_inbound_check): Likewise.
6639
6640 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
6641
6642         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
6643         padding for PPC.
6644         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
6645         * config/vxlib.c (__gthread_once): Add race guard for PPC.
6646
6647 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
6648
6649         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
6650         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
6651         shift counts to avoid out-of-bounds array accesses.
6652
6653 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
6654
6655         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
6656         (Pmode): Move above.
6657
6658 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
6659
6660         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
6661         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
6662         GET_CODE macro.  Use IN_RANGE macro where appropriate.
6663         * config/alpha/alpha.h: Ditto.
6664         * config/alpha/alpha.md: Ditto.
6665         * config/alpha/constraints.md: Ditto.
6666         * config/alpha/predicates.md: Ditto.
6667
6668 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
6669
6670         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
6671         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6672         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6673         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6674         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6675         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6676         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6677         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6678         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6679         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6680         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6681         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6682         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6683         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6684         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6685         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6686         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6687         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6688         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6689         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6690         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6691         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6692         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6693         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6694         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6695         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6696         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6697
6698 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
6699
6700         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
6701         references from comments.
6702         * cfgbuild.c: (count_basic_blocks): Delete.
6703         (find_basic_blocks_1): Delete.
6704         (find_basic_blocks): Delete.
6705         * except.c (finish_eh_generation): Make static.  Move comment from
6706         except.h here.  Remove find_basic_blocks references from comments.
6707         * except.h (finish_eh_generation): Delete.
6708         * basic-block.h (find_basic_blocks): Delete.
6709         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
6710
6711 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
6712
6713         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
6714         (sdbout_parms):  Likewise.
6715
6716 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
6717
6718         * config/sh/sh.c (prepare_cbranch_operands): Use
6719         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
6720         (expand_cbranchdi4): Likewise.
6721         (from_compare): Add cast to enum type.
6722         (expand_cbranchsi4): Use add_reg_note.
6723         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
6724         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
6725         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
6726         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
6727         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
6728         instead of CODE_FOR_nothing.
6729         (cbranchdi4): Likewise.  Fix the order of arguments for
6730         gen_rtx_fmt_ee.
6731         (push_fpscr): Use add_reg_note.
6732         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
6733         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
6734
6735 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
6736
6737         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
6738         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
6739         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
6740         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
6741         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
6742         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
6743         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
6744         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
6745         config/alpha/x-vms, config/arc/t-arc,
6746         config/arm/README-interworking, config/arm/arm-c.c,
6747         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
6748         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
6749         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
6750         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
6751         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
6752         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
6753         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
6754         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
6755         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
6756         config/cris/t-elfmulti, config/crx/t-crx,
6757         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
6758         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
6759         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
6760         config/h8300/t-h8300, config/i386/athlon.md,
6761         config/i386/darwin-libgcc.10.4.ver,
6762         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
6763         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
6764         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
6765         config/i386/t-linux64, config/i386/t-nwld,
6766         config/i386/t-rtems-i386, config/i386/t-sol2-10,
6767         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
6768         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
6769         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
6770         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
6771         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
6772         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
6773         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
6774         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
6775         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
6776         config/m68k/t-uclinux, config/mcore/t-mcore,
6777         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
6778         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
6779         config/mips/crtn.asm, config/mips/irix-crti.asm,
6780         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
6781         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
6782         config/mips/mips-fixed.md, config/mips/sb1.md,
6783         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
6784         config/mips/t-iris6, config/mips/t-isa3264,
6785         config/mips/t-libgcc-mips16, config/mips/t-linux64,
6786         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
6787         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
6788         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
6789         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
6790         config/mn10300/t-linux, config/mn10300/t-mn10300,
6791         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
6792         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
6793         config/picochip/libgccExtras/clzsi2.asm,
6794         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
6795         config/rs6000/darwin-libgcc.10.4.ver,
6796         config/rs6000/darwin-libgcc.10.5.ver,
6797         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
6798         config/rs6000/t-aix43, config/rs6000/t-aix52,
6799         config/rs6000/t-darwin, config/rs6000/t-fprules,
6800         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
6801         config/rs6000/t-lynx, config/rs6000/t-netbsd,
6802         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
6803         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
6804         config/rs6000/t-rtems, config/rs6000/t-spe,
6805         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
6806         config/score/t-score-elf, config/sh/divcost-analysis,
6807         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
6808         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
6809         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
6810         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
6811         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
6812         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
6813         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
6814         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
6815         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
6816         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
6817         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
6818         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
6819         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
6820         limitx.h, version.c, xcoff.h: Add copyright and license notices.
6821         * config/h8300/genmova.sh: Include copyright and license notices
6822         in generated output.
6823         * config/h8300/mova.md: Regenerate.
6824         * doc/install.texi2html: Include word "Copyright" in copyright
6825         notice and use name "Free Software Foundation, Inc.".
6826         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
6827         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
6828         ChangeLog-2007, ChangeLog-2008: Correct dates.
6829
6830 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
6831
6832         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
6833         NE_EXPR operations as well.
6834         * c-parser.c (c_parser_condition): Do not set location information on
6835         the condition.
6836         (c_parser_conditional_expression): Likewise.
6837         (c_parser_binary_expression): Set location information on operators.
6838         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
6839         TRUTH_NOT_EXPR has been folded.
6840         * fold-const.c (fold_truth_not_expr): Copy location information from
6841         the incoming expression to the outgoing one.
6842         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
6843         recursive calls on the LHS of the operator but pass that of the
6844         operator to recursive calls on the RHS of the operator.  Set it
6845         on the COND_EXPR.
6846         (shortcut_cond_expr): Set the locus of the operator on the second
6847         COND_EXPR and that of the expression on the first in degenerate cases.
6848         Pass the locus of the expression to calls to shortcut_cond_r.
6849         Set the locus of the 'then' block on the associated jump, if any.
6850         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
6851         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
6852         expression to call to gimplify_boolean_expr.
6853
6854 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
6855
6856         * config.gcc: Add additional configuration for
6857         i686-w64-mingw* and x86_64-w64-mingw* triplet.
6858         * config/i386/mingw-w64.h: New mingw-w64 specific header.
6859         (CPP_SPEC): Redefine for allowing -municode option.
6860         (STARTFILE_SPEC): Likewise.
6861         * config/i386/t-mingw-w64: New.
6862         * config/i386/mingw-w64.opt: New.
6863         (municode): Add new target option.
6864         * doc/invoke.texi (municode): Add documentation for new option.
6865
6866 2009-04-21  Ian Lance Taylor  <iant@google.com>
6867
6868         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6869         Correct test for number of arguments.
6870         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
6871
6872 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
6873
6874         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
6875         argument of emit_library_call.
6876
6877 2009-04-21  Richard Guenther  <rguenther@suse.de>
6878
6879         PR middle-end/39829
6880         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
6881         inside VIEW_CONVERT_EXPRs.
6882
6883 2009-04-21  Martin Jambor  <mjambor@suse.cz>
6884
6885         * tree-switch-conversion.c (build_constructors): Split a long line.
6886         (constructor_contains_same_values_p): New function.
6887         (build_one_array): Create assigns of constants if possible, do not
6888         call mark_sym_for_renaming, call update_stmt.
6889         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
6890         make_rename_temp.  Do not call mark_symbols_for_renaming, call
6891         update_stmt.
6892         (gen_def_assigns): Do not call mark_symbols_for_renaming or
6893         find_new_referenced_vars, call update_stmt.
6894         (gen_inbound_check): Use create_tmp_var and create ssa names manually
6895         instead of calling make_rename_temp.  Do not call
6896         find_new_referenced_vars or mark_symbols_for_renaming, call
6897         update_stmt.
6898
6899 2009-04-21  Richard Guenther  <rguenther@suse.de>
6900
6901         PR tree-optimization/39827
6902         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
6903         (tree_ssa_phiprop): Pass the correct array size.
6904
6905 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
6906
6907         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
6908
6909 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6910
6911         PR 16202
6912         * c-typeck.c (lvalue_p): Move declaration ...
6913         * c-common.h (lvalue_p): ... to here.
6914         * c-common.c (candidate_equal_p): New.
6915         (add_tlist): Use it.
6916         (merge_tlist): Use it.
6917         (warn_for_collisions_1): Likewise.
6918         (warning_candidate_p): Accept more candidates.
6919         (verify_tree): A warning candidate can be an expression. Use
6920         candidate_equal_p.
6921
6922 2009-04-21  Ben Elliston  <bje@au.ibm.com>
6923
6924         PR target/5267
6925         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
6926         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
6927         options.  Remove -mcall-solaris documentation.
6928
6929 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6930
6931         PR c++/13358
6932         * doc/invoke.texi (-Wlong-long): Update description.
6933         * c-lex (interpret_integer): Only warn if there was no previous
6934         overflow and -Wlong-long is enabled.
6935         * c-decl.c (declspecs_add_type): Drop redundant flags.
6936         * c.opt (Wlong-long): Init to -1.
6937         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
6938         and front-end warn_long_long. Wlong-long only depends on other
6939         flags if it is uninitialized.
6940         * c-parser.c (disable_extension_diagnostics): warn_long_long is
6941         the same for CPP and FE.
6942         (restore_extension_diagnostics): Likewise.
6943
6944 2009-04-20  Ian Lance Taylor  <iant@google.com>
6945
6946         Fix enum conversions which are invalid in C++:
6947         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
6948         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
6949         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
6950         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
6951         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
6952         (dbxout_parms): Likewise.
6953         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
6954         (df_clear_flags): Likewise.
6955         * df-problems.c (df_rd_bb_local_compute_process_def): Change
6956         top_flag parameter to int.
6957         (df_chain_create_bb_process_use): Likewise.
6958         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
6959         Remove cast.
6960         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
6961         (df_ref_create_structure, df_def_record_1): Likewise.
6962         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
6963         (df_notes_rescan): Change 0 to VOIDmode in function call.
6964         (df_get_call_refs, df_insn_refs_collect): Likewise.
6965         (df_bb_regs_collect): Likewise.
6966         (df_entry_block_defs_collect): Likewise.
6967         (df_exit_block_uses_collect): Likewise.
6968         * df.h: Update declarations.
6969         * double-int.c (double_int_divmod): Add cast to enum type.
6970         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
6971         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
6972         (based_loc_descr): Likewise.
6973         (loc_descriptor_from_tree_1): Change first_op and second_op to
6974         enum dwarf_location_atom.  Add cast to enum type.
6975         * expmed.c (init_expmed): Change 0 to SET in function call.
6976         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
6977         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
6978         (do_store_flag): Likewise.
6979         * fixed-value.h (struct fixed_value): Change mode to enum
6980         machine_mode.
6981         * function.c (assign_parms): Change 0 to VOIDmode in function call.
6982         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
6983         function call.
6984         (insert_insn_decl, insert_decl, insert_state): Likewise.
6985         (automata_list_finish): Likewise.
6986         * genrecog.c (process_define_predicate): Add cast to enum type.
6987         * gensupport.c (init_predicate_table): Add cast to enum type.
6988         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
6989         function call.
6990         (gimple_build_call_1, gimple_build_label): Likewise.
6991         (gimple_build_goto, gimple_build_asm_1): Likewise.
6992         (gimple_build_switch_1, gimple_build_cdt): Likewise.
6993         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
6994         (enum fallback): Rename from enum fallback_t.
6995         (fallback_t): Typedef as int.
6996         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
6997         GSI_SAME_STMT in function call.
6998         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
6999         enum type.
7000         (setup_reg_class_relations): Likewise.
7001         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
7002         (setup_prohibited_class_mode_regs): Add cast to enum type.
7003         (setup_prohibited_mode_move_regs): Likewise.
7004         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
7005         (record_address_regs): Change i to enum reg_class.
7006         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
7007         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
7008         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
7009         (GET_MODE_2XWIDER_MODE): Likewise.
7010         (GET_CLASS_NARROWEST_MODE): Likewise.
7011         * omp-low.c (expand_omp_for): Add cast to enum type.
7012         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
7013         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
7014         * postreload.c (reload_cse_simplify_operands): Change rclass local
7015         to enum reg_class.
7016         * predict.c (combine_predictions_for_insn): Change best_predictor
7017         and predictor to enum br_predictor.
7018         (combine_predictions_for_bb): Likewise.
7019         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
7020         use SET_PREDICT_EXPR_OUTCOME.
7021         * real.c (real_arithmetic): Change icode to code in function call.
7022         * reginfo.c (init_move_cost): Add casts to enum type.
7023         (init_reg_sets_1, init_fake_stack_mems): Likewise.
7024         * regmove.c (regclass_compatible_p): Change class0 and class1 to
7025         enum reg_class.
7026         * reload.c (find_valid_class): Add casts to enum type.
7027         (push_reload): Change 0 to NO_REGS in function call.
7028         (find_reloads): Change this_alternative to array of enum
7029         reg_class.  Remove some now-unnecessary casts.
7030         (make_memloc): Change 0 to VOIDmode in function call.
7031         * reload1.c (reload): Change 0 to VOIDmode in function call.
7032         (eliminate_regs_1, elimination_effects): Likewise.
7033         (eliminate_regs_in_insn): Likewise.
7034         (emit_input_reload_insns): Add cast to enum type.
7035         (delete_output_reload): Change 0 to VOIDmode in function call.
7036         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
7037         to enum type in function call.
7038         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
7039         (SET_PREDICT_EXPR_OUTCOME): Define.
7040         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
7041         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
7042         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
7043         (dump_function): Likewise.
7044         * tree-dump.h: Update declarations.
7045         * tree-pass.h: Update declarations.
7046         * varasm.c (assemble_integer): Change mclass to enum mode_class.
7047         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
7048         enum type.
7049         (arm_rtx_costs_1): Correct parenthesization.
7050         (arm_rtx_costs): Add casts to enum type.
7051         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
7052         (vfp_emit_fstmd): Use add_rg_note.
7053         (emit_multi_reg_push, emit_sfm): Likewise.
7054         (thumb_set_frame_pointer): Likewise.
7055         (arm_expand_prologue): Likewise.
7056         (arm_regno_class): Change return type to enum reg_class.
7057         (thumb1_expand_prologue): Use add_reg_note.
7058         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
7059         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
7060         in function call.
7061         * config/arm/gentune.sh: Add cast to enum type.
7062         * config/arm/arm-tune.md: Rebuild.
7063         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
7064         (ix86_split_fp_branch, predict_jump): Likewise.
7065         (ix86_expand_multi_arg_builtin): Change sub_code from enum
7066         insn_code to enum rtx_code.
7067         (ix86_builtin_vectorized_function): Add cast to enum type.
7068         * config/i386/i386.md (truncdfsf2): Change slot to enum
7069         ix86_stack_slot.
7070         (truncxf<mode>2, isinf<mode>2): Likewise.
7071         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
7072         enum type.
7073         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
7074         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
7075         (insert_bundle_state): Change 1 to INSERT in function call.
7076         (ia64_add_bundle_selector_before): Likewise.
7077         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
7078         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
7079         (restore_stack_nonlocal): Likewise.
7080         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
7081         function call.
7082         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
7083         function call.
7084         (mips_rtx_costs): Likewise.
7085         (mips_override_options): Add casts to enum type.
7086         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
7087         in function call.
7088         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
7089         (store_reg, set_reg_plus_d): Likewise.
7090         (hppa_expand_prologue, hppa_profile_hook): Likewise.
7091         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
7092         cast to enum type.
7093         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
7094         function call.
7095         (emit_unlikely_jump): Use add_reg_note.
7096         (rs6000_emit_allocate_stack): Likewise.
7097         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
7098         (output_toc): Change 1 to INSERT in function call.
7099         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
7100         (rs6000_initialize_trampoline): Likewise.
7101         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
7102         function call.
7103         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
7104         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
7105         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
7106         (save_gprs): Use add_reg_note.
7107         (s390_emit_prologue): Likewise.
7108         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
7109         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
7110         (sparc_fold_builtin): Add cast to enum type.
7111         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
7112         enum insn_code.
7113         (spu_expand_prologue): Use add_reg_note.
7114         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
7115
7116 2009-04-20  Ian Lance Taylor  <iant@google.com>
7117
7118         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
7119         (c_parser_postfix_expression_after_primary): Get VEC for list of
7120         arguments.  Get original types of arguments.  Call
7121         build_function_call_vec.
7122         (cached_expr_list_1, cached_expr_list_2): New static variables.
7123         (c_parser_expr_list): Change return type to VEC *.  Add
7124         p_orig_types parameter.  Change all callers.
7125         (c_parser_release_expr): New static function.
7126         (c_parser_vec_to_tree_list): New static function.
7127         * c-typeck.c (build_function_call): Rewrite to build a VEC and
7128         call build_function_call_vec.
7129         (build_function_call_vec): New function, based on old
7130         build_function_call.
7131         (convert_arguments): Remove nargs and argarray parameters.  Change
7132         values to a VEC.  Add origtypes parameter.
7133         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
7134         (convert_for_assignment): Add origtype parameter.  Change all
7135         callers.  If warn_cxx_compat, check for conversion to an enum
7136         type when calling a function.
7137         (store_init_value): Add origtype parameter.  Change all callers.
7138         (digest_init): Likewise.
7139         (struct init_node): Add origtype field.
7140         (add_pending_init): Add origtype parameter.  Change all callers.
7141         (output_init_element): Likewise.
7142         (output_pending_init_elements): Pass origtype from init_node to
7143         output_init_element.
7144         (process_init_element): Pass origtype from c_expr to
7145         output_init_element.
7146         (c_finish_return): Add origtype parameter.  Change all callers.
7147         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
7148         caller.
7149         (sync_resolve_params): Likewise.
7150         (sync_resolve_return): Change params to first_param.  Change caller.
7151         (resolve_overloaded_builtins): Change params to VEC *.  Change
7152         callers.  Save first parameter around call to build_function_call_vec.
7153         * c-decl.c (finish_decl): Add origtype parameter.  Change all
7154         callers.  Call build_function_call_vec rather than
7155         build_function_call for cleanup.
7156         * c-tree.h: Update declarations.
7157         * c-common.h: Update declarations.
7158         * stub-objc.c (objc_rewrite_function_call): Change parameter from
7159         params to first_param.
7160         * target.h (struct gcc_target): Change resolve_overloaded_builtin
7161         params parameter from tree to void *.
7162         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
7163         Change arglist parameter to have type void *, and to be a pointer
7164         to a VEC.
7165         * config/rs6000/rs6000-protos.h
7166         (altivec_resolve_overloaded_builtin): Update declaration.
7167         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
7168         fnargs parameter to have type void *, and to be a pointer to a
7169         VEC.  Call build_function_call_vec instead of
7170         build_function_call.
7171         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
7172
7173 2009-04-20  Joey Ye  <joey.ye@intel.com>
7174             Xuepeng Guo  <xuepeng.guo@intel.com>
7175             H.J. Lu  <hongjiu.lu@intel.com>
7176
7177         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
7178
7179         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
7180         (IX86_LEA_PRIORITY): Likewise.
7181         (distance_non_agu_define): New function.
7182         (distance_agu_use): Likewise.
7183         (ix86_lea_for_add_ok): Likewise.
7184         (ix86_dep_by_shift_count): Likewise.
7185
7186         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
7187         should split for LEA.
7188
7189         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
7190         function.
7191         (ix86_dep_by_shift_count): Likewise.
7192
7193 2009-04-20  Richard Guenther  <rguenther@suse.de>
7194
7195         * expr.c (handled_component_p): Move ...
7196         * tree.h (handled_component_p): ... here.
7197         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
7198         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
7199         and REALPART_EXPR to be in one group.
7200
7201 2009-04-20  Richard Guenther  <rguenther@suse.de>
7202
7203         * basic-block.h (get_all_dominated_blocks): Declare.
7204         * dominance.c (get_all_dominated_blocks): New function.
7205         * tree-cfg.c (get_all_dominated_blocks): Remove.
7206         (remove_edge_and_dominated_blocks): Adjust.
7207         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
7208         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
7209         instead of recursing.
7210
7211 2009-04-20  Doug Kwan  <dougkwan@google.com>
7212
7213         * cgraph.h (cgraph_node_ptr): New type for vector functions.
7214         (struct cgraph_node_set_def): New type.
7215         (cgraph_node_set) New type. Also declare vector functions.
7216         (struct cgraph_node_set_element_def): New type.
7217         (cgraph_node_set_element): Ditto.
7218         (cgraph_node_set_iterator): New iterator type.
7219         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
7220         cgraph_node_set_remove, dump_cgraph_node_set,
7221         debug_cgraph_node_set): New prototypes.
7222         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
7223         cgraph_node_set_size): New inlines.
7224         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
7225         including cgraph.h.
7226         (struct ipa_opt_pass): Add struct cgraph_node_set_def
7227         argument to function 'write_summary'.
7228         * ipa.c: Include ggc.h.
7229         (hash_cgraph_node_set_element,
7230         eq_cgraph_node_set_element, cgraph_node_set_new,
7231         cgraph_node_set_add, cgraph_node_set_remove,
7232         cgraph_node_set_find, dump_cgraph_node_set,
7233         debug_cgraph_node_set): New functions.
7234         * Makefile.in (ipa.o): Add dependency on GGC_H.
7235
7236 2009-04-20  Ira Rosen  <irar@il.ibm.com>
7237
7238         PR tree-optimization/39675
7239         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
7240         check of the return code of vect_schedule_slp. Check that
7241         stmt_vec_info still exists for the statement, before checking its
7242         vectorization type.
7243
7244 2009-04-20  Michael Matz  <matz@suse.de>
7245
7246         * Makefile.in (generated_files): Take out $(simple_generated_c).
7247
7248 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
7249
7250         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
7251         (UINTPTR_TYPE):  Likewise.
7252
7253 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
7254
7255         PR c/37481
7256         * c-typeck.c (digest_init): Check for initializing an array with a
7257         string literal.
7258
7259 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
7260
7261         PR c/19771
7262         * c-semantics.c (pop_stmt_list): Propagate
7263         STATEMENT_LIST_HAS_LABEL to parent statement list.
7264
7265 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
7266
7267         * config/mips/mips.h (mips_tune_attr): New macro.
7268         * config/mips/mips.md (cpu): Use it.
7269
7270 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
7271
7272         PR c/38243
7273         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
7274         declaring a tag.
7275
7276 2009-04-19  Diego Novillo  <dnovillo@google.com>
7277
7278         * toplev.c (compile_file): Move call to coverage_finish ...
7279         * cgraphunit.c (ipa_passes): ... here.
7280         Call cgraph_process_new_functions.
7281         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
7282         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
7283
7284 2009-04-19  Jan Hubicka  <jh@suse.cz>
7285
7286         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
7287         cfun.
7288         (dump_cgraph_node): Dump can throw external flag.
7289         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
7290
7291 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7292
7293         PR c/32061
7294         PR c++/36954
7295         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
7296         * common.opt (Wlogical-op): Move from here...
7297         * c.opt (Wlogical-op): ... to here.
7298         * c-typeck.c (parser_build_binary_op): Update call to
7299         warn_logical_operator.
7300         * c-opts.c (c_common_post_options): Enable warn_logical_op with
7301         extra_warnings.
7302         * c-common.c (warn_logical_op): Update.
7303         * c-common.h (warn_logical_op): Update declaration.
7304
7305 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
7306
7307         * tree.c (protected_set_expr_location): Fix formatting.
7308
7309 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
7310
7311         PR c/27676
7312         * c-typeck.c (readonly_warning): new.
7313         (build_unary_op, build_modify_expr): Use readonly_warning for
7314         storing into something readonly but not const-qualified.
7315
7316 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
7317
7318         PR c/22367
7319         * c-typeck.c (build_unary_op): Check for taking address of
7320         expression of type void.
7321
7322 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
7323
7324         PR c/35210
7325         * c-typeck.c (build_function_call): Check for calling a function
7326         with qualified void return types.  Call require_complete_type when
7327         generating a trap.
7328
7329 2009-04-18  Jan Hubicka  <jh@suse.cz>
7330
7331         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
7332         Set nothrow flag.
7333         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
7334         can_throw_external flag.
7335         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
7336         * ipa-pure-const.c (ignore_edge): New function.
7337         (propagate): Compute order for NOTHROW computation; set NOTHROWs
7338         only over can_throw_external edges.
7339         (local_pure_const): Add nothrow flag.
7340         * ipa-utils.c (searchc): Add ignore_edge callback.
7341         (ipa_utils_reduced_inorder): Add ignore_edge callback.
7342         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
7343         (set_nothrow_function_flags): Update cgraph.
7344         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
7345
7346 2009-04-18  Richard Guenther  <rguenther@suse.de>
7347
7348         PR middle-end/39804
7349         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
7350         (fold_stmt): ... this and ...
7351         (fold_stmt_inplace): ... this.
7352         (fold_stmt_1): Fold references in calls and asms.
7353         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
7354
7355 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
7356
7357         * tree-vrp.c (ssa_name_nonzero_p): Remove.
7358         * tree.h: Remove the prototype for ssa_name_nonzero_p.
7359
7360 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
7361
7362         * tree.c (function_args_count): Remove.
7363         * tree.h: Remove the prototype for function_args_count.
7364
7365 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
7366
7367         * tree-iterator.c (expr_only): Remove.
7368         * tree.h: Remove the prototype for expr_only.
7369
7370 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
7371
7372         * reginfo.c (cannot_change_mode_set_regs): Remove.
7373         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
7374
7375 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
7376
7377         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
7378         whether operands 0 and 1 overlaps.
7379
7380 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7381
7382         PR middle-end/36902
7383         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
7384         pointer. Use warning_at instead of warning.
7385         (search_for_addr_array): Likewise.
7386         (check_array_bounds): Likewise.
7387         (check_all_array_refs): Check that the incoming edge is not in the
7388         list of edges to be removed.
7389         (check_all_array_refs): Avoid the temporal pointer.
7390         (vrp_visit_cond_stmt): Fix typo.
7391         (simplify_switch_using_ranges): Handle the case where the switch
7392         index is an integer constant.
7393
7394 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
7395
7396         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
7397
7398 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
7399
7400         * doc/extend.texi, doc/invoke.texi: Fix typos.
7401
7402 2009-04-17  Cary Coutant  <ccoutant@google.com>
7403
7404         * tree-flow-inline.h (get_lineno): Fix inverted test.
7405
7406 2009-04-17  Diego Novillo  <dnovillo@google.com>
7407
7408         * tree-ssa-pre.c (create_expression_by_pieces): Remove
7409         assertion for AVAIL_OUT.
7410
7411 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
7412
7413         PR target/38627
7414         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
7415         * config/sh/linux-atomic.asm: Likewise.
7416
7417 2009-04-17  Diego Novillo  <dnovillo@google.com>
7418
7419         * except.c (debug_eh_tree): New.
7420         (struct eh_region, struct eh_status): Move ...
7421         * except.h: ... here.
7422         (add_type_for_runtime): Declare extern.
7423         (lookup_type_for_runtime): Likewise.
7424         (debug_eh_tree): Declare.
7425         * Makefile.in (GTFILES): List except.h before except.c
7426
7427 2009-04-17  Diego Novillo  <dnovillo@google.com>
7428
7429         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
7430         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
7431         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
7432         (find_vars_r): ... here.
7433         * tree-flow.h (find_referenced_vars_in): Declare.
7434         * tree-ssa-pre.c (create_expression_by_pieces): Assert
7435         that AVAIL_OUT exists for BLOCK.
7436         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
7437         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
7438         (tree-parloops.o): Likewise.
7439
7440 2009-04-17  Simon Baldwin  <simonb@google.com>
7441
7442         * toplev.c (default_tree_printer): Add handling for %E format.
7443
7444 2009-04-17  Diego Novillo  <dnovillo@google.com>
7445
7446         * tree-pretty-print.c (dump_generic_node): Add break after
7447         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
7448         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
7449         FUNCTION_TYPE together.  Call print_struct_decl when printing
7450         structures and TDF_SLIM is not given.
7451         (print_struct_decl): Fix logic for detecting recursion.
7452
7453 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
7454
7455         PR 31567
7456         * gcc.c (create_at_file): New.
7457         (compile_input_file_p): New.
7458         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
7459         * main.c (main): Update call to toplev_main.
7460         * toplev.c (toplev_main): Change signature. Call expandargv.
7461         * toplev.h (toplev_main): Change signature.
7462
7463 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
7464
7465         * dwarf2out.c (field_byte_offset): Use the type size as the field size
7466         if the latter is not constant.
7467
7468 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
7469
7470         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
7471
7472 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
7473
7474         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
7475         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
7476
7477 2009-04-17  Richard Guenther  <rguenther@suse.de>
7478
7479         * tree-ssa-structalias.c (get_constraint_for_component_ref):
7480         Handle component references view-converting an invariant address.
7481
7482 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
7483
7484         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
7485         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
7486         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
7487         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
7488         Use @deftypevr rather than @deftypevar.
7489
7490 2009-04-17  Richard Guenther  <rguenther@suse.de>
7491
7492         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
7493         (get_prop_source_stmt): Likewise.
7494         (can_propagate_from): Likewise.
7495
7496 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
7497
7498         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
7499         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
7500         (--with-multilib-list): Add default value.
7501         * configure: Regenerate.
7502         * Makefile.in (TM_ENDIAN_CONFIG): Define.
7503         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
7504         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
7505         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
7506         Don't add default cpu to multilib list unnecessarily, but do enable
7507         the relevant compiler option..
7508         Add support for --with-multilib-list=<blank> and
7509         --with-multilib-list=!<somelib> to supress unwanted multilibs.
7510         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
7511         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
7512         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
7513         TM_MULTILIB_CONFIG.
7514         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
7515         (MULTILIB_OSDIRNAMES): New variable.
7516         * config/sh/t-1e: Delete file.
7517         * config/sh/t-mlib-sh1: Delete file.
7518         * config/sh/t-mlib-sh2: Delete file.
7519         * config/sh/t-mlib-sh2a: Delete file.
7520         * config/sh/t-mlib-sh2a-nofpu: Delete file.
7521         * config/sh/t-mlib-sh2a-single: Delete file.
7522         * config/sh/t-mlib-sh2a-single-only: Delete file.
7523         * config/sh/t-mlib-sh2e: Delete file.
7524         * config/sh/t-mlib-sh3e: Delete file.
7525         * config/sh/t-mlib-sh4: Delete file.
7526         * config/sh/t-mlib-sh4-nofpu: Delete file.
7527         * config/sh/t-mlib-sh4-single: Delete file.
7528         * config/sh/t-mlib-sh4-single-only: Delete file.
7529         * config/sh/t-mlib-sh4a: Delete file.
7530         * config/sh/t-mlib-sh4a-nofpu: Delete file.
7531         * config/sh/t-mlib-sh4a-single: Delete file.
7532         * config/sh/t-mlib-sh4a-single-only: Delete file.
7533         * config/sh/t-mlib-sh4al: Delete file.
7534         * config/sh/t-mlib-sh5-32media: Delete file.
7535         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
7536         * config/sh/t-mlib-sh5-64media: Delete file.
7537         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
7538         * config/sh/t-mlib-sh5-compact: Delete file.
7539         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
7540         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
7541         * doc/install.texi (Options specification): Add
7542         --with-multilib-list and --with-endian.
7543
7544 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
7545
7546         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
7547         REVISION_c.
7548         (OBJS-common): Add plugin-version.o.
7549         (plugin-version.o): New.
7550         * gcc-plugin.h (plugin_gcc_version): New.
7551         (plugin_default_version_check): New.
7552         (plugin_init_func, plugin_init): Add version argument.
7553         * plugin-version.c: New.
7554         * plugin.c (str_plugin_gcc_version_name): New.
7555         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
7556         pass it to the init function.
7557         (plugin_default_version_check): New.
7558
7559 2009-04-17  Richard Guenther  <rguenther@suse.de>
7560
7561         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
7562         for decl-vs-decl disambiguation.
7563
7564 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7565
7566         * config/s390/s390.h (s390_tune_attr): New macro definition.
7567         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
7568
7569 2009-04-17  Richard Guenther  <rguenther@suse.de>
7570
7571         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
7572         (fold_stmt_r): Likewise.
7573         (maybe_fold_reference): New function.
7574         (fold_gimple_assign): Handle cases fold_stmt_r did.
7575         (fold_stmt): Do not use fold_stmt_r.
7576         (fold_stmt_inplace): Likewise.
7577
7578 2009-04-17  Richard Guenther  <rguenther@suse.de>
7579
7580         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
7581         (record_equivalences_from_stmt): Remove useless checks and
7582         simplifications.
7583         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
7584         the type is already suitable.
7585
7586 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
7587
7588         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
7589
7590 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
7591
7592         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
7593         (CMPtype): Define as __gcc_CMPtype.
7594
7595 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
7596
7597         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
7598         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
7599
7600 2009-04-17  Richard Guenther  <rguenther@suse.de>
7601
7602         PR tree-optimization/39746
7603         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
7604         special-casing for builtins and static variable use/def.
7605         (call_may_clobber_ref_p_1): Likewise.
7606
7607 2009-04-16  Ian Lance Taylor  <iant@google.com>
7608
7609         * df.h: Include "timevar.h".
7610         (struct df_problem): Change tv_id field to timevar_id_t.
7611         * tree-pass.h: Include "timevar.h".
7612         (struct opt_pass): Change tv_id field to timevar_id_t.
7613         * timevar.h (timevar_id_t): Define TV_NONE.
7614         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
7615         TV_NONE rather than tv_id != 0.
7616         (execute_one_pass): Likewise.
7617         * Makefile.in (DF_H): Add $(TIMEVAR_H).
7618         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
7619         dependencies to $(TREE_PASS_H).
7620         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
7621         to TV_NONE.
7622         (pass_branch_target_load_optimize2): Likewise.
7623         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
7624         (pass_outof_cfg_layout_mode): Likewise.
7625         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
7626         (pass_rebuild_cgraph_edges): Likewise.
7627         (pass_remove_cgraph_callee_edges): Likewise.
7628         * df-core.c (pass_df_initialize_opt): Likewise.
7629         (pass_df_initialize_no_opt): Likewise.
7630         (pass_df_finish): Likewise.
7631         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
7632         * except.c (pass_set_nothrow_function_flags): Likewise.
7633         (pass_convert_to_eh_region_ranges): Likewise.
7634         * final.c (pass_compute_alignments): Likewise.
7635         * function.c (pass_instantiate_virtual_regs): Likewise.
7636         (pass_init_function): Likewise.
7637         (pass_leaf_regs): Likewise.
7638         (pass_match_asm_constraints): Likewise.
7639         * gimple-low.c (pass_lower_cf): Likewise.
7640         (pass_mark_used_blocks): Likewise.
7641         * init-regs.c (pass_initialize_regs): Likewise.
7642         * integrate.c (pass_initial_value_sets): Likewise.
7643         * ira.c (pass_ira): Likewise.
7644         * jump.c (pass_cleanup_barriers): Likewise.
7645         * omp-low.c (pass_expand_omp): Likewise.
7646         (pass_lower_omp): Likewise.
7647         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
7648         * recog.c (pass_split_all_insns): Likewise.
7649         (pass_split_after_reload): Likewise.
7650         (pass_split_before_regstack): Likewise.
7651         (pass_split_before_sched2): Likewise.
7652         (pass_split_for_shorten_branches): Likewise.
7653         * reginfo.c (pass_reginfo_init): Likewise.
7654         (pass_subregs_of_mode_init): Likewise.
7655         (pass_subregs_of_mode_finish): Likewise.
7656         * passes.c (pass_postreload): Likewise.
7657         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
7658         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
7659         (pass_warn_function_return): Likewise.
7660         (pass_warn_function_noreturn): Likewise.
7661         * tree-complex.c (pass_lower_complex): Likewise.
7662         (pass_lower_complex_O0): Likewise.
7663         * tree-if-conv.c (pass_if_conversion): Likewise.
7664         * tree-into-ssa.c (pass_build_ssa): Likewise.
7665         * tree-mudflap.c (pass_mudflap_1): Likewise.
7666         (pass_mudflap_2): Likewise.
7667         * tree-nomudflap.c (pass_mudflap_1): Likewise.
7668         (pass_mudflap_2): Likewise.
7669         * tree-nrv.c (pass_return_slot): Likewise.
7670         * tree-object-size.c (pass_object_sizes): Likewise.
7671         * tree-optimize.c (pass_all_optimizations): Likewise.
7672         (pass_early_local_passes): Likewise.
7673         (pass_all_early_optimizations): Likewise.
7674         (pass_cleanup_cfg): Likewise.
7675         (pass_cleanup_cfg_post_optimizing): Likewise.
7676         (pass_free_datastructures): Likewise.
7677         (pass_free_cfg_annotations): Likewise.
7678         (pass_fixup_cfg): Likewise.
7679         (pass_init_datastructures): Likewise.
7680         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
7681         (pass_late_warn_uninitialized): Likewise.
7682         (pass_update_address_taken): Likewise.
7683         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
7684         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
7685         (pass_cse_sincos): Likewise.
7686         (pass_convert_to_rsqrt): Likewise.
7687         * tree-ssa-structalias.c (pass_build_alias): Likewise.
7688         * tree-stdarg.c (pass_stdarg): Likewise.
7689         * tree-tailcall.c (pass_tail_recursion): Likewise.
7690         (pass_tail_calls): Likewise.
7691         * tree-vect-generic.c (pass_lower_vector): Likewise.
7692         (pass_lower_vector_ssa): Likewise.
7693         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
7694
7695 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
7696
7697         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
7698         XLR entry.
7699         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
7700         Handle -march=xlr.
7701         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
7702         logical and signext.
7703
7704 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
7705
7706         PR target/39767
7707         * config/sh/predicates.md (arith_operand): Check if the operand
7708         of TRUNCATE is a REG.
7709
7710 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
7711
7712         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
7713         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
7714
7715 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
7716
7717         * tree-iterator.c (tsi_split_statement_list_after,
7718         tsi_split_statement_list_before): Remove.
7719         * tree-iterator.h: Remove the prototypes for
7720         tsi_split_statement_list_after and tsi_split_statement_list_before.
7721
7722 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
7723
7724         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
7725         * tree-ssa-propagate.h: Remove the prototype for
7726         stmt_makes_single_load.
7727
7728 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
7729
7730         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
7731         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
7732
7733 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
7734
7735         * tree-iterator.c (EXPR_LAST_BODY): Remove.
7736
7737 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
7738
7739         * except.c (eh_region_outer_p): Remove.
7740         * except.h: Remove the prototype for eh_region_outer_p.
7741
7742 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
7743
7744         * function.c (current_function_assembler_name): Remove.
7745         * function.h: Remove the prototype for
7746         current_function_assembler_name.
7747
7748 2009-04-16  Ian Lance Taylor  <iant@google.com>
7749
7750         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
7751         (add_reg_note): Call alloc_reg_note.
7752         * rtl.h (alloc_reg_note): Declare.
7753         * combine.c (try_combine): Use alloc_reg_note.
7754         (recog_for_combine, move_deaths): Likewise.
7755         (distribute_notes): Use alloc_reg_note and add_reg_note.
7756         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
7757         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
7758         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
7759
7760 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
7761
7762         PR rtl-optimization/39762
7763         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
7764         ira_may_move_out_cost): Add comments about way of their usage.
7765         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
7766
7767         * ira-conflicts.c (process_regs_for_copy): Use function
7768         ira_get_register_move_cost instead of global
7769         ira_register_move_cost.
7770
7771         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
7772         color_pass, move_spill_restore, update_curr_costs): Ditto.
7773
7774         * ira-lives.c (process_single_reg_class_operands): Ditto.
7775
7776         * ira-emit.c (emit_move_list): Ditto.
7777
7778         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
7779         (record_reg_classes): Ditto.  Use functions
7780         ira_get_register_move_cost and ira_get_may_move_cost instead of
7781         global vars ira_register_move_cost, ira_may_move_out_cost and
7782         ira_may_move_in_cost.
7783         (record_address_regs): Don't call ira_init_register_move_cost.
7784         Use function ira_get_may_move_cost instead of global
7785         ira_may_move_in_cost.
7786         (process_bb_node_for_hard_reg_moves): Use function
7787         ira_get_register_move_cost instead of global ira_register_move_cost.
7788         (ira_costs): Don't call ira_init_register_move_cost.
7789
7790 2009-04-16  Richard Guenther  <rguenther@suse.de>
7791
7792         * tree-cfg.c (verify_gimple_assign_binary):
7793         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
7794         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
7795         (create_general_new_stmt): Note that this function is broken.
7796
7797 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
7798
7799         * common.opt (fhelp): Add Var(help_flag).
7800         * gcc-plugin.h (plugin_info): Add help.
7801         * plugin.c (plugin_name_args): Add help.
7802         (register_plugin_info): Set plugin->help.
7803         (print_help_one_plugin): New.
7804         (print_plugins_help): New.
7805         * plugin.h (print_plugins_help): New.
7806         * toplev.c (toplev_main): Call print_plugins_help if needed.
7807
7808 2009-04-16  Richard Guenther  <rguenther@suse.de>
7809
7810         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
7811         (gimple_ior_addresses_taken_1): New function.
7812         (gimple_ior_addresses_taken): Likewise.
7813         * gimple.h (struct gimple_statement_with_ops_base): Remove
7814         addresses_taken member.
7815         (gimple_ior_addresses_taken): Declare.
7816         (gimple_addresses_taken, gimple_addresses_taken_ptr,
7817         gimple_set_addresses_taken): Remove.
7818         * ipa-reference.c (mark_address): New function.
7819         (scan_stmt_for_static_refs): Use it for marking addresses taken.
7820         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
7821         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
7822         (gimple_add_to_addresses_taken): Remove.
7823         (get_tmr_operands): Call mark_address_taken.
7824         (get_asm_expr_operands): Likewise.
7825         (get_expr_operands): Likewise.
7826         (build_ssa_operands): Do not clear the addresses_taken bitmap.
7827         (free_stmt_operands): Do not free it.
7828         * tree-ssa.c (delete_tree_ssa): Likewise.
7829         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
7830
7831 2009-04-16  Richard Guenther  <rguenther@suse.de>
7832
7833         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
7834         (walk_stmt_load_store_ops): Likewise.
7835         * gimple.c (get_base_loadstore): New function.
7836         (walk_stmt_load_store_addr_ops): Likewise.
7837         (walk_stmt_load_store_ops): Likewise.
7838         * ipa-pure-const.c (check_op): Simplify.
7839         (check_load, check_store): New functions.
7840         (check_stmt): Use walk_stmt_load_store_ops.
7841         * ipa-reference.c (mark_load): Adjust signature.
7842         (mark_store): Likewise.
7843         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
7844
7845 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
7846
7847         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
7848         (plugin_info): New.
7849         * opts.c (common_handle_option): Don't call print_version.
7850         * plugin.c (plugin_name_args): Add version.
7851         (register_plugin_info): New.
7852         (register_callback): Handle PLUGIN_INFO.
7853         (try_init_one_plugin): New.
7854         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
7855         if failed to init.
7856         (finalize_one_plugin): New.
7857         (finalize_plugins): New.
7858         (print_one_plugin): New.
7859         (print_plugins_versions): New.
7860         * plugin.h (print_plugins_versions): New.
7861         (finalize_plugins): New.
7862         * toplev.c (compile_file): Don't call initialize_plugins.
7863         (print_version): Call print_plugins_versions.
7864         (toplev_main): Call initialize_plugins. Print version if needed.
7865         Call finalize_plugins.
7866
7867 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
7868
7869         * common.opt (fversion): New.
7870         * gcc.c (print_version): New.
7871         (process_command): Don't print the version. Just set print_version.
7872         (main): Print version. Call subprocesses if print_version and
7873         verbose_flag are set.
7874         * opts.c (common_handle_option): Handle OPT_fversion.
7875
7876 2009-04-16  Richard Guenther  <rguenther@suse.de>
7877             Ira Rosen  <irar@il.ibm.com>
7878
7879         PR tree-optimization/39698
7880         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
7881         type of the reduction variable.  Only generate the def if
7882         it is needed.
7883
7884         * omp-low.c (expand_omp_for_generic): When converting to a pointer
7885         make sure to first convert to an integer of the same precision.
7886         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
7887         the type of the evolution correctly in computing the new
7888         induction variable base.
7889
7890 2009-04-16  Richard Guenther  <rguenther@suse.de>
7891
7892         PR middle-end/39625
7893         * tree-cfg.c (make_blocks): Split statements with to-be
7894         abnormal SSA names on the lhs.
7895
7896 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
7897
7898         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
7899         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
7900         * c-typeck.c (really_start_incremental_init): Likewise.
7901         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
7902         (TARGET_INITIALIZER): Remove it.
7903         * target.h (struct target): Remove vector_opaque_p.
7904         * tree.c (build_opaque_vector_type): New.
7905         * tree.h (TYPE_VECTOR_OPAQUE): New.
7906         (build_opaque_vector_type): Declare.
7907         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
7908         * config/rs6000/rs6000.c (build_opaque_vector_type,
7909         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
7910         (rs6000_init_builtins): Use build_opaque_vector_type for
7911         opaque_V4SI_type_node.
7912
7913 2009-04-15  Catherine Moore  <clm@codesourcery.com>
7914
7915         * debug.h (set_name):  Declare.
7916         * dwarf2out.c (dwarf2out_set_name): Declare.
7917         (dwarf2_debug_hooks): Add set_name.
7918         (find_AT_string): New.
7919         (add_AT_string): Call find_AT_string.
7920         (dwarf2out_set_name): New.
7921         * cp/decl.c (grokdeclarator): Call set_name.
7922         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
7923         * debug.c (do_nothing_debug_hooks):  Likewise.
7924         * dbxout.c (dbx_debug_hooks): Likewise.
7925         * sdbout.c (sdb_debug_hooks): Likewise.
7926
7927 2009-04-15  Michael Eager  <eager@eagercon.com>
7928
7929         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
7930         reg for single-precision FPU.
7931         * config/rs6000/rs6000.md (movsi_internal1): Only for
7932         !TARGET_SINGLE_FPU.
7933         (movsi_internal1_single): New. Add pattern to move SI values to/from
7934         single-precision FP regs.
7935
7936 2009-04-15  Richard Guenther  <rguenther@suse.de>
7937
7938         * omp-low.c (lower_rec_input_clauses): Build correct address
7939         expressions.
7940         (expand_omp_for_generic): Fix multiplication type.
7941         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
7942         (generate_memset_zero): Fix types.
7943         * tree-profile.c (prepare_instrumented_value): Correctly
7944         widen a pointer.
7945
7946 2009-04-15  Ian Lance Taylor  <iant@google.com>
7947
7948         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
7949         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
7950         for -Wall and for -Wc++-compat.
7951         (c_common_post_options): For C++, set warn_enum_compare if not
7952         already set.
7953         * c-tree.h (struct c_expr): Add field original_type.
7954         (build_external_ref): Update declaration.
7955         * c-parser.c (c_parser_braced_init): Set original_type.
7956         (c_parser_initelt): Likewise.
7957         (c_parser_expr_no_commas): Likewise.
7958         (c_parser_conditional_expression): Likewise.
7959         (c_parser_cast_expression): Likewise.
7960         (c_parser_unary_expression): Likewise.  Pull setting of
7961         original_code to top of function.
7962         (c_parser_sizeof_expression): Set original_type.
7963         (c_parser_alignof_expression): Likewise.
7964         (c_parser_postfix_expression): Likewise.  Pull setting of
7965         original_code to top of function.
7966         (c_parser_postfix_expression_after_paren_type): Set original_type.
7967         (c_parser_postfix_expression_after_primary): Likewise.
7968         (c_parser_expression): Likewise.
7969         * c-typeck.c (build_external_ref): Add type parameter.  Change all
7970         callers.
7971         (c_expr_sizeof_expr): Set original_type field.
7972         (parser_build_unary_op): Likewise.
7973         (parser_build_binary_op): Likewise.  Optionally warn about
7974         comparisons of enums of different types.
7975         (digest_init): Set original_type field.
7976         (really_start_incremental_init): Likewise.
7977         (push_init_level, pop_init_level): Likewise.
7978         * doc/invoke.texi (Warning Options): -Wenum-compare now
7979         supported in C.
7980
7981 2009-04-15  Richard Guenther  <rguenther@suse.de>
7982
7983         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
7984         out a necessary conversion.
7985         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
7986         names we didn't value number.
7987         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
7988
7989 2009-04-15  Richard Guenther  <rguenther@suse.de>
7990
7991         PR tree-optimization/39764
7992         * tree-ssa-ccp.c (get_value): Canonicalize value with
7993         canonicalize_float_value.
7994
7995 2009-04-15  Jan Hubicka  <jh@suse.cz>
7996
7997         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
7998         Wrong version of patch.
7999
8000 2009-04-15  Jan Hubicka  <jh@suse.cz>
8001
8002         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
8003
8004 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
8005
8006         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
8007         our distinct integral and vector types.
8008
8009 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
8010
8011         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
8012         * init.c (build_vtbl_address): Remove call to assemble_external.
8013
8014 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
8015
8016         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
8017         output for other floating point modes.
8018
8019 2009-04-14  Diego Novillo  <dnovillo@google.com>
8020
8021         * diagnostic.c (diagnostic_report_diagnostic): Do not
8022         warn about loaded plugins for DK_ERROR and DK_WARNING.
8023         * c-decl.c (declspecs_add_type): Move call to
8024         invoke_plugin_callbacks ...
8025         * c-parser.c (c_parser_declspecs): ... here.
8026         * plugin.c (dump_active_plugins): Tidy output.
8027
8028 2009-04-14  Diego Novillo  <dnovillo@google.com>
8029             Le-Chun Wu  <lcwu@google.com>
8030
8031         * configure.ac: Add --enable-plugin support.
8032         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
8033         * Makefile.in (PLUGIN_H): Define.
8034         Export ENABLE_PLUGIN and GMPINC to site.exp.
8035         Add PLUGINLIBS to link command.
8036         Add/modify dependencies for plugin.o and files including plugin.h.
8037         (plugin.o): New.
8038         * config.in: Regenerate.
8039
8040         * opts.c (common_handle_option): Handle OPT_fplugin_ and
8041         OPT_fplugin_arg_.
8042
8043 2009-04-14  Le-Chun Wu  <lcwu@google.com>
8044
8045         * tree-pass.h (register_one_dump_file): Add a prototype for
8046         register_one_dump_file.
8047         * toplev.c (compile_file): Call initialize_plugins.
8048         (do_compile): Call invoke_plugin_callbacks.
8049         (toplev_main): Call invoke_plugin_callbacks.
8050         * common.opt: Add -fplugin= and -fplugin-arg-.
8051         * gcc-plugin.h: New public header file for plugins to include.
8052         * plugin.c: New source file.
8053         * plugin.h: New internal header file.
8054         * passes.c (register_one_dump_file): Make it external.
8055
8056         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
8057
8058 2009-04-14  Diego Novillo  <dnovillo@google.com>
8059
8060         * doc/plugins.texi: New.
8061         * doc/gccint.texi: Add reference to Plugins chapter.
8062         * doc/invoke.texi: Document -fplugin and -fplugin-arg
8063         * diagnostic.c (diagnostic_report_diagnostic): Warn about
8064         loaded plugins, if any.
8065         * timevar.def (TV_PLUGIN_INIT): Define.
8066         (TV_PLUGIN_RUN): Define.
8067         * plugin.c: Include timevar.h
8068         (plugins_active_p): New.
8069         (dump_active_plugins): New.
8070         (debug_active_plugins): New.
8071
8072 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
8073
8074         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
8075         library paths.
8076         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
8077
8078 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
8079
8080         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
8081         the same as a minus without a shift.
8082
8083 2009-04-14  Nick Clifton  <nickc@redhat.com>
8084
8085         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
8086         comparisons with small integers will always produce a short
8087         branch.
8088
8089 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
8090
8091         Merge:
8092         2008-12-19  Diego Novillo  <dnovillo@google.com>
8093
8094         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
8095
8096 2009-04-14  Richard Guenther  <rguenther@suse.de>
8097
8098         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
8099         verification.
8100         (verify_gimple_assign_binary): Likewise.  Handle shifts and
8101         rotates correctly.
8102         (verify_gimple_phi): Print the mismatched argument position.
8103         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
8104         Fix types.
8105         (vect_update_init_of_dr): Likewise.
8106         * matrix-reorg.c (transform_access_sites): Do what the
8107         comment suggests.
8108         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
8109
8110 2009-04-13  Michael Eager  <eager@eagercon.com>
8111
8112         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
8113         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
8114         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
8115         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
8116         remove duplicate config
8117
8118 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
8119
8120         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
8121         file_name:line_number type locator of the call site.
8122
8123 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
8124
8125         * genautomata.c: Put blank after comma.
8126         (automaton_decls): New.
8127         (struct unit_usage): Add comments to member next.
8128         (store_alt_unit_usage): Keep the list ordered.
8129         (unit_present_on_list_p, equal_alternatives_p): New.
8130         (check_regexp_units_distribution): Check units distribution
8131         correctness correctly.
8132         (main): Don't write automata if error is found.  Return correct
8133         exit code.
8134
8135         * config/m68k/cf.md (cfv4_ds): Remove.
8136         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
8137         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
8138
8139         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
8140         power4-load-ext, power4-store, power4-store-update,
8141         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
8142         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
8143         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
8144         power4-sqrt, power4-isync): Modify reservation to make correct
8145         unit distribution to automata.
8146
8147         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
8148         power5-store-update, power5-two, power5-three, power5-lmul,
8149         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
8150
8151 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
8152
8153         * except.c (pass_set_nothrow_function_flags): Set name and add
8154         TODO_dump_func.
8155         (set_nothrow_function_flags): Mention in the dump file when
8156         changing a function to nothrow.
8157
8158 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
8159
8160         PR/39066
8161         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
8162         instead of unsigned long.
8163
8164 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8165
8166         * config/arm/arm.c (return_used_this_function): Remove.
8167         (arm_output_function_prologue): Remove use of
8168         return_used_this_function.
8169         (output_return_instruction): Replace use of
8170         return_used_this_function
8171         by cfun->machine->return_used_this_function.
8172         (arm_output_epilogue): Likewise.
8173         (arm_output_function_epilogue): Likewise.
8174         (thumb_unexpanded_epilogue): Likewise.
8175         * config/arm/arm.h (struct machine_function):
8176         New member return_used_this_function.
8177
8178 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
8179
8180         * doc/install.texi: Correct description of default directory for
8181         --with-gxx-include-dir.
8182
8183 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
8184
8185         * fold-const.c (build_range_check): Properly deal with enumeral and
8186         boolean base types.
8187
8188 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
8189
8190         * doc/invoke.texi (max_gcse_passes): Remove documentation.
8191         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
8192         * params.h (MAX_GCSE_PASSES): Remove.
8193         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
8194         in sequence.  Remove ability to run multiple passes.
8195         (bypass_jumps): Report run as third CPROP pass.
8196
8197 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
8198
8199         PR middle-end/39651
8200         * except.c (can_throw_external): Look at each insn in a SEQUENCE
8201         when deciding whether the whole SEQUENCE can throw.
8202
8203 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
8204
8205         PR target/39740
8206         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
8207         offseted label references.
8208
8209 2009-04-11  Jan Hubicka  <jh@suse.cz>
8210
8211         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
8212
8213 2009-04-11  Richard Guenther  <rguenther@suse.de>
8214
8215         PR middle-end/39732
8216         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
8217         return variables as TREE_ADDRESSABLE.
8218
8219 2009-04-11  Richard Guenther  <rguenther@suse.de>
8220
8221         PR tree-optimization/39713
8222         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
8223         reference trees have SSA_NAME operands.
8224
8225 2009-04-11  Richard Guenther  <rguenther@suse.de>
8226
8227         PR c/39712
8228         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
8229         address expressions.
8230
8231 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
8232
8233         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
8234         match changes in Cygwin 1.7
8235         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
8236         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
8237
8238 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
8239
8240         PR tree-optimization/39701
8241         * doc/invoke.texi (Optimization Options): Document change in
8242         meaning and initialization of -fdelete-null-pointer-checks.
8243
8244 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
8245
8246         PR middle-end/39701
8247         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
8248
8249         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
8250         here.
8251
8252         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
8253
8254 2009-04-10  Chao-ying Fu  <fu@mips.com>
8255
8256         * doc/tm.texi (Instruction Output): Document
8257         TARGET_ASM_FINAL_POSTSCAN_INSN.
8258         * target.h (final_postscan_insn): New field in asm_out.
8259         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
8260         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
8261         * final.c (final_scan_insn): Call
8262         targetm.asm_out.final_postscan_insn after outputting
8263         an asm macro and a normal instruction.
8264
8265         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
8266         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
8267         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
8268         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
8269         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
8270
8271 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
8272
8273         PR middle-end/39701
8274         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
8275         variables as non-NULL even with -fdelete-null-pointer-checks.
8276
8277 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
8278
8279         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
8280
8281 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
8282
8283         PR target/39678
8284         * config/i386/i386.c (classify_argument): Handle SCmode with
8285         (bit_offset % 64) != 0.
8286
8287 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
8288
8289         * doc/invoke.texi (Optimize Options): Add cross-reference to
8290         -Q --help=optimizers examples.
8291
8292 2009-04-10  Ben Elliston  <bje@au.ibm.com>
8293
8294         PR target/36800
8295         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
8296         regalign for the reg == fpr and TDmode case.
8297
8298 2009-04-09  David Ayers  <ayers@fsfe.org>
8299
8300         PR objc/29200
8301         * objc/objc-act.c (warn_with_method): Remove helper function.
8302         (check_duplicates): Call warning and inform directly.
8303         (really_start_method): Likewise.
8304
8305 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
8306
8307         * expmed.c (expand_divmod): Always use a comparison for a division
8308         by a large unsigned integer.
8309
8310         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
8311         for things others than variables or functions as nonzero.
8312
8313 2009-04-09  Nick Clifton  <nickc@redhat.com>
8314
8315         * unwind-compat.c: Change copyright header to refer to version
8316         3 of the GNU General Public License with version 3.1 of the
8317         GCC Runtime Library Exception and to point readers at the
8318         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
8319         * config/alpha/crtfastmath.c: Likewise.
8320         * config/alpha/linux-unwind.h: Likewise.
8321         * config/alpha/qrnnd.asm: Likewise.
8322         * config/alpha/vms-crt0-64.c: Likewise.
8323         * config/alpha/vms-crt0.c: Likewise.
8324         * config/alpha/vms-dwarf2.asm: Likewise.
8325         * config/alpha/vms-dwarf2eh.asm: Likewise.
8326         * config/alpha/vms-psxcrt0-64.c: Likewise.
8327         * config/alpha/vms-psxcrt0.c: Likewise.
8328         * config/alpha/vms_tramp.asm: Likewise.
8329         * config/arc/initfini.c: Likewise.
8330         * config/arc/lib1funcs.asm: Likewise.
8331         * config/arm/bpabi-v6m.S: Likewise.
8332         * config/arm/bpabi.S: Likewise.
8333         * config/arm/bpabi.c: Likewise.
8334         * config/arm/crti.asm: Likewise.
8335         * config/arm/crtn.asm: Likewise.
8336         * config/arm/ieee754-df.S: Likewise.
8337         * config/arm/ieee754-sf.S: Likewise.
8338         * config/arm/lib1funcs.asm: Likewise.
8339         * config/arm/libunwind.S: Likewise.
8340         * config/arm/linux-atomic.c: Likewise.
8341         * config/arm/mmintrin.h: Likewise.
8342         * config/arm/pr-support.c: Likewise.
8343         * config/arm/unaligned-funcs.c: Likewise.
8344         * config/arm/unwind-arm.c: Likewise.
8345         * config/arm/unwind-arm.h: Likewise.
8346         * config/avr/libgcc.S: Likewise.
8347         * config/bfin/crti.s: Likewise.
8348         * config/bfin/crtlibid.s: Likewise.
8349         * config/bfin/crtn.s: Likewise.
8350         * config/bfin/lib1funcs.asm: Likewise.
8351         * config/bfin/linux-unwind.h: Likewise.
8352         * config/cris/arit.c: Likewise.
8353         * config/cris/cris_abi_symbol.c: Likewise.
8354         * config/darwin-64.c: Likewise.
8355         * config/darwin-crt2.c: Likewise.
8356         * config/darwin-crt3.c: Likewise.
8357         * config/darwin.h: Likewise.
8358         * config/dbxelf.h: Likewise.
8359         * config/dfp-bit.c: Likewise.
8360         * config/dfp-bit.h: Likewise.
8361         * config/elfos.h: Likewise.
8362         * config/fixed-bit.c: Likewise.
8363         * config/fixed-bit.h: Likewise.
8364         * config/fp-bit.c: Likewise.
8365         * config/fp-bit.h: Likewise.
8366         * config/fr30/crti.asm: Likewise.
8367         * config/fr30/crtn.asm: Likewise.
8368         * config/fr30/lib1funcs.asm: Likewise.
8369         * config/freebsd-spec.h: Likewise.
8370         * config/frv/cmovd.c: Likewise.
8371         * config/frv/cmovh.c: Likewise.
8372         * config/frv/cmovw.c: Likewise.
8373         * config/frv/frvbegin.c: Likewise.
8374         * config/frv/frvend.c: Likewise.
8375         * config/frv/lib1funcs.asm: Likewise.
8376         * config/glibc-stdint.h: Likewise.
8377         * config/h8300/clzhi2.c: Likewise.
8378         * config/h8300/crti.asm: Likewise.
8379         * config/h8300/crtn.asm: Likewise.
8380         * config/h8300/ctzhi2.c: Likewise.
8381         * config/h8300/fixunssfsi.c: Likewise.
8382         * config/h8300/lib1funcs.asm: Likewise.
8383         * config/h8300/parityhi2.c: Likewise.
8384         * config/h8300/popcounthi2.c: Likewise.
8385         * config/i386/ammintrin.h: Likewise.
8386         * config/i386/att.h: Likewise.
8387         * config/i386/avxintrin.h: Likewise.
8388         * config/i386/biarch64.h: Likewise.
8389         * config/i386/bmmintrin.h: Likewise.
8390         * config/i386/cpuid.h: Likewise.
8391         * config/i386/cross-stdarg.h: Likewise.
8392         * config/i386/crtfastmath.c: Likewise.
8393         * config/i386/crtprec.c: Likewise.
8394         * config/i386/cygming-crtbegin.c: Likewise.
8395         * config/i386/cygming-crtend.c: Likewise.
8396         * config/i386/cygwin.asm: Likewise.
8397         * config/i386/emmintrin.h: Likewise.
8398         * config/i386/gmm_malloc.h: Likewise.
8399         * config/i386/gthr-win32.c: Likewise.
8400         * config/i386/i386.h: Likewise.
8401         * config/i386/immintrin.h: Likewise.
8402         * config/i386/linux-unwind.h: Likewise.
8403         * config/i386/linux64.h: Likewise.
8404         * config/i386/mm3dnow.h: Likewise.
8405         * config/i386/mmintrin-common.h: Likewise.
8406         * config/i386/mmintrin.h: Likewise.
8407         * config/i386/nmmintrin.h: Likewise.
8408         * config/i386/pmm_malloc.h: Likewise.
8409         * config/i386/pmmintrin.h: Likewise.
8410         * config/i386/smmintrin.h: Likewise.
8411         * config/i386/sol2-c1.asm: Likewise.
8412         * config/i386/sol2-ci.asm: Likewise.
8413         * config/i386/sol2-cn.asm: Likewise.
8414         * config/i386/sol2-gc1.asm: Likewise.
8415         * config/i386/tmmintrin.h: Likewise.
8416         * config/i386/unix.h: Likewise.
8417         * config/i386/w32-unwind.h: Likewise.
8418         * config/i386/wmmintrin.h: Likewise.
8419         * config/i386/x86-64.h: Likewise.
8420         * config/i386/x86intrin.h: Likewise.
8421         * config/i386/xmmintrin.h: Likewise.
8422         * config/ia64/crtbegin.asm: Likewise.
8423         * config/ia64/crtend.asm: Likewise.
8424         * config/ia64/crtfastmath.c: Likewise.
8425         * config/ia64/crti.asm: Likewise.
8426         * config/ia64/crtn.asm: Likewise.
8427         * config/ia64/fde-glibc.c: Likewise.
8428         * config/ia64/lib1funcs.asm: Likewise.
8429         * config/ia64/linux-unwind.h: Likewise.
8430         * config/ia64/quadlib.c: Likewise.
8431         * config/ia64/unwind-ia64.c: Likewise.
8432         * config/linux.h: Likewise.
8433         * config/m32c/m32c-lib1.S: Likewise.
8434         * config/m32c/m32c-lib2-trapv.c: Likewise.
8435         * config/m32c/m32c-lib2.c: Likewise.
8436         * config/m32r/initfini.c: Likewise.
8437         * config/m68hc11/larith.asm: Likewise.
8438         * config/m68hc11/m68hc11-crt0.S: Likewise.
8439         * config/m68k/cf.md: Likewise.
8440         * config/m68k/crti.s: Likewise.
8441         * config/m68k/crtn.s: Likewise.
8442         * config/m68k/lb1sf68.asm: Likewise.
8443         * config/m68k/linux-unwind.h: Likewise.
8444         * config/mcore/crti.asm: Likewise.
8445         * config/mcore/crtn.asm: Likewise.
8446         * config/mcore/lib1.asm: Likewise.
8447         * config/mips/linux-unwind.h: Likewise.
8448         * config/mips/loongson.h: Likewise.
8449         * config/mips/mips16.S: Likewise.
8450         * config/mmix/crti.asm: Likewise.
8451         * config/mmix/crtn.asm: Likewise.
8452         * config/pa/fptr.c: Likewise.
8453         * config/pa/hpux-unwind.h: Likewise.
8454         * config/pa/lib2funcs.asm: Likewise.
8455         * config/pa/linux-atomic.c: Likewise.
8456         * config/pa/linux-unwind.h: Likewise.
8457         * config/pa/milli64.S: Likewise.
8458         * config/pa/quadlib.c: Likewise.
8459         * config/pa/stublib.c: Likewise.
8460         * config/picochip/libgccExtras/adddi3.asm: Likewise.
8461         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
8462         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
8463         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
8464         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
8465         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
8466         * config/picochip/libgccExtras/divmod15.asm: Likewise.
8467         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
8468         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
8469         * config/picochip/libgccExtras/longjmp.asm: Likewise.
8470         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
8471         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
8472         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
8473         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
8474         * config/picochip/libgccExtras/setjmp.asm: Likewise.
8475         * config/picochip/libgccExtras/subdi3.asm: Likewise.
8476         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
8477         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
8478         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
8479         * config/rs6000/750cl.h: Likewise.
8480         * config/rs6000/altivec.h: Likewise.
8481         * config/rs6000/biarch64.h: Likewise.
8482         * config/rs6000/crtresfpr.asm: Likewise.
8483         * config/rs6000/crtresgpr.asm: Likewise.
8484         * config/rs6000/crtresxfpr.asm: Likewise.
8485         * config/rs6000/crtresxgpr.asm: Likewise.
8486         * config/rs6000/crtsavfpr.asm: Likewise.
8487         * config/rs6000/crtsavgpr.asm: Likewise.
8488         * config/rs6000/darwin-asm.h: Likewise.
8489         * config/rs6000/darwin-fallback.c: Likewise.
8490         * config/rs6000/darwin-fpsave.asm: Likewise.
8491         * config/rs6000/darwin-ldouble.c: Likewise.
8492         * config/rs6000/darwin-tramp.asm: Likewise.
8493         * config/rs6000/darwin-unwind.h: Likewise.
8494         * config/rs6000/darwin-vecsave.asm: Likewise.
8495         * config/rs6000/darwin-world.asm: Likewise.
8496         * config/rs6000/e500crtres32gpr.asm: Likewise.
8497         * config/rs6000/e500crtres64gpr.asm: Likewise.
8498         * config/rs6000/e500crtres64gprctr.asm: Likewise.
8499         * config/rs6000/e500crtrest32gpr.asm: Likewise.
8500         * config/rs6000/e500crtrest64gpr.asm: Likewise.
8501         * config/rs6000/e500crtresx32gpr.asm: Likewise.
8502         * config/rs6000/e500crtresx64gpr.asm: Likewise.
8503         * config/rs6000/e500crtsav32gpr.asm: Likewise.
8504         * config/rs6000/e500crtsav64gpr.asm: Likewise.
8505         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
8506         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
8507         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
8508         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
8509         * config/rs6000/eabi-ci.asm: Likewise.
8510         * config/rs6000/eabi-cn.asm: Likewise.
8511         * config/rs6000/eabi.asm: Likewise.
8512         * config/rs6000/linux-unwind.h: Likewise.
8513         * config/rs6000/linux64.h: Likewise.
8514         * config/rs6000/paired.h: Likewise.
8515         * config/rs6000/paired.md: Likewise.
8516         * config/rs6000/ppc64-fp.c: Likewise.
8517         * config/rs6000/ppu_intrinsics.h: Likewise.
8518         * config/rs6000/rs6000.h: Likewise.
8519         * config/rs6000/si2vmx.h: Likewise.
8520         * config/rs6000/sol-ci.asm: Likewise.
8521         * config/rs6000/sol-cn.asm: Likewise.
8522         * config/rs6000/spe.h: Likewise.
8523         * config/rs6000/spu2vmx.h: Likewise.
8524         * config/rs6000/sysv4.h: Likewise.
8525         * config/rs6000/tramp.asm: Likewise.
8526         * config/rs6000/vec_types.h: Likewise.
8527         * config/s390/linux-unwind.h: Likewise.
8528         * config/s390/tpf-unwind.h: Likewise.
8529         * config/score/crti.asm: Likewise.
8530         * config/score/crtn.asm: Likewise.
8531         * config/sh/crt1.asm: Likewise.
8532         * config/sh/crti.asm: Likewise.
8533         * config/sh/crtn.asm: Likewise.
8534         * config/sh/divtab-sh4-300.c: Likewise.
8535         * config/sh/divtab-sh4.c: Likewise.
8536         * config/sh/divtab.c: Likewise.
8537         * config/sh/lib1funcs-4-300.asm: Likewise.
8538         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
8539         * config/sh/lib1funcs.asm: Likewise.
8540         * config/sh/lib1funcs.h: Likewise.
8541         * config/sh/linux-atomic.asm: Likewise.
8542         * config/sh/linux-unwind.h: Likewise.
8543         * config/sh/shmedia.h: Likewise.
8544         * config/sh/sshmedia.h: Likewise.
8545         * config/sh/ushmedia.h: Likewise.
8546         * config/sparc/crtfastmath.c: Likewise.
8547         * config/sparc/linux-unwind.h: Likewise.
8548         * config/sparc/sol2-c1.asm: Likewise.
8549         * config/sparc/sol2-ci.asm: Likewise.
8550         * config/sparc/sol2-cn.asm: Likewise.
8551         * config/spu/divmodti4.c: Likewise.
8552         * config/spu/divv2df3.c: Likewise.
8553         * config/spu/float_disf.c: Likewise.
8554         * config/spu/float_unsdidf.c: Likewise.
8555         * config/spu/float_unsdisf.c: Likewise.
8556         * config/spu/float_unssidf.c: Likewise.
8557         * config/spu/mfc_multi_tag_release.c: Likewise.
8558         * config/spu/mfc_multi_tag_reserve.c: Likewise.
8559         * config/spu/mfc_tag_release.c: Likewise.
8560         * config/spu/mfc_tag_reserve.c: Likewise.
8561         * config/spu/mfc_tag_table.c: Likewise.
8562         * config/spu/multi3.c: Likewise.
8563         * config/spu/spu_internals.h: Likewise.
8564         * config/spu/spu_intrinsics.h: Likewise.
8565         * config/spu/spu_mfcio.h: Likewise.
8566         * config/spu/vec_types.h: Likewise.
8567         * config/spu/vmx2spu.h: Likewise.
8568         * config/stormy16/stormy16-lib2.c: Likewise.
8569         * config/svr4.h: Likewise.
8570         * config/sync.c: Likewise.
8571         * config/v850/lib1funcs.asm: Likewise.
8572         * config/vxlib-tls.c: Likewise.
8573         * config/vxlib.c: Likewise.
8574         * config/vxworks-dummy.h: Likewise.
8575         * config/xtensa/crti.asm: Likewise.
8576         * config/xtensa/crtn.asm: Likewise.
8577         * config/xtensa/ieee754-df.S: Likewise.
8578         * config/xtensa/ieee754-sf.S: Likewise.
8579         * config/xtensa/lib1funcs.asm: Likewise.
8580         * config/xtensa/lib2funcs.S: Likewise.
8581         * config/xtensa/linux-unwind.h: Likewise.
8582         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
8583         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
8584         * coretypes.h: Likewise.
8585         * crtstuff.c: Likewise.
8586         * defaults.h: Likewise.
8587         * dwarf2.h: Likewise.
8588         * emutls.c: Likewise.
8589         * gbl-ctors.h: Likewise.
8590         * gcov-io.h: Likewise.
8591         * ginclude/float.h: Likewise.
8592         * ginclude/iso646.h: Likewise.
8593         * ginclude/stdarg.h: Likewise.
8594         * ginclude/stdbool.h: Likewise.
8595         * ginclude/stddef.h: Likewise.
8596         * ginclude/stdfix.h: Likewise.
8597         * ginclude/stdint-gcc.h: Likewise.
8598         * ginclude/tgmath.h: Likewise.
8599         * gthr-aix.h: Likewise.
8600         * gthr-dce.h: Likewise.
8601         * gthr-gnat.c: Likewise.
8602         * gthr-gnat.h: Likewise.
8603         * gthr-lynx.h: Likewise.
8604         * gthr-mipssde.h: Likewise.
8605         * gthr-nks.h: Likewise.
8606         * gthr-posix.c: Likewise.
8607         * gthr-posix.h: Likewise.
8608         * gthr-posix95.h: Likewise.
8609         * gthr-rtems.h: Likewise.
8610         * gthr-single.h: Likewise.
8611         * gthr-solaris.h: Likewise.
8612         * gthr-tpf.h: Likewise.
8613         * gthr-vxworks.h: Likewise.
8614         * gthr-win32.h: Likewise.
8615         * gthr.h: Likewise.
8616         * libgcc2.c: Likewise.
8617         * libgcc2.h: Likewise.
8618         * libgcov.c: Likewise.
8619         * tsystem.h: Likewise.
8620         * typeclass.h: Likewise.
8621         * unwind-c.c: Likewise.
8622         * unwind-compat.h: Likewise.
8623         * unwind-dw2-fde-compat.c: Likewise.
8624         * unwind-dw2-fde-darwin.c: Likewise.
8625         * unwind-dw2-fde-glibc.c: Likewise.
8626         * unwind-dw2-fde.c: Likewise.
8627         * unwind-dw2-fde.h: Likewise.
8628         * unwind-dw2.c: Likewise.
8629         * unwind-dw2.h: Likewise.
8630         * unwind-generic.h: Likewise.
8631         * unwind-pe.h: Likewise.
8632         * unwind-sjlj.c: Likewise.
8633         * unwind.inc: Likewise.
8634         * config/arm/neon-gen.ml: Change generated copyright header to
8635         refer to version 3 of the GNU General Public License with
8636         version 3.1 of the GCC Runtime Library Exception and to point
8637         readers at the COPYING3 and COPYING3.RUNTIME files and the
8638         FSF's license web page.
8639         * config/arm/arm_neon.h: Regenerate.
8640
8641 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
8642
8643         * config/cris/cris.md: Change copyright header to refer to version
8644         3 of the GNU General Public License.
8645         * doc/install.texi2html: Change copyright header to refer to version
8646         3 of the GNU General Public License and to point readers at the
8647         COPYING3 file and the FSF's license web page.
8648         * config/vax/linux.h: Likewise.
8649
8650 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
8651
8652         * config/i386/i386.md (cmpcc): New.
8653         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
8654         (sync_compare_and_swap_cc*): Delete.
8655
8656         * config/s390/s390.c (s390_compare_emitted): Remove.
8657         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
8658         s390_compare_emitted used to be handled.  Assert that modes match.
8659         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
8660         refer to sync_compare_and_swap_ccsi.
8661         * config/s390/s390.h (s390_compare_emitted): Remove.
8662         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
8663         instead of s390_compare_emitted.
8664         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
8665         instead of s390_compare_emitted.
8666         * config/s390/s390.md (cmpcc): New.
8667         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
8668         CC_REGNUM, do not pretend it's set.
8669         (sync_compare_and_swap_cc*): Delete.
8670         * config/s390/predicates.md (cc_reg_operand): New.
8671
8672         * expr.c (sync_compare_and_swap_cc): Delete.
8673         * optabs.h (sync_compare_and_swap_cc): Delete.
8674         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
8675         is being used with can_compare_p.
8676         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
8677         (find_cc_set): New.
8678         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
8679         look for a MODE_CC set instead.  Use emit_store_flag.
8680         (expand_compare_and_swap_loop): Likewise, with some additional
8681         complication to avoid a force_reg when useless.  Use
8682         emit_cmp_and_jump_insns.
8683         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
8684         * doc/md.texi (sync_compare_and_swap_cc): Merge with
8685         sync_compare_and_swap documentation.
8686
8687 2009-04-09  Jan Hubicka  <jh@suse.cz>
8688
8689         * except.c (find_prev_try): Break out from ....
8690         (duplicate_eh_regions): ... here; properly update prev_try pointers
8691         when duplication part of tree.
8692         (dump_eh_tree): Improve dumping.
8693         (verify_eh_region): New.
8694         (verify_eh_tree): Use it.
8695
8696 2009-04-06  Richard Guenther  <rguenther@suse.de>
8697
8698         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
8699         &ARRAY addresses by adjusting their types and prepending
8700         a conversion.
8701         * tree-cfg.c (verify_gimple_assign_single): Verify that
8702         addresses are correct.
8703
8704 2009-04-09  Richard Guenther  <rguenther@suse.de>
8705
8706         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
8707         indices into an array reference if possible.
8708         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
8709         Fold POINTER_PLUS_EXPR statements with invariant address.
8710
8711 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
8712
8713         PR target/39634
8714         * config.gcc (powerpc64-*-linux*): Always build biarch.
8715
8716 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
8717
8718         PR c/39613
8719         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
8720         it and pedwarn if this results in an INTEGER_CST.
8721
8722 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8723
8724         * doc/install.texi: Update minimum GMP version.  Remove obsolete
8725         text in MPFR section.
8726
8727 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
8728
8729         * dwarf2out.c (class_scope_p): New static inline.
8730         (class_or_namespace_scope_p): Use it.
8731         (gen_variable_die): Use DW_TAG_member tag for static data member
8732         declarations instead of DW_TAG_variable.
8733
8734         PR middle-end/39573
8735         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
8736         variables.
8737
8738 2009-04-08  Richard Guenther  <rguenther@suse.de>
8739
8740         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
8741         valueize random data.
8742
8743 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
8744
8745         * config.gcc (aix tm_file):  Add aix-stdint.h.
8746         (aix tm clause use_gcc_stdint):  Set to wrap.
8747         * config/rs6000/aix-stdint.h:  New file.
8748
8749 2009-04-08  Richard Guenther  <rguenther@suse.de>
8750
8751         PR middle-end/36291
8752         * tree-dfa.c (add_referenced_var): Do not recurse into
8753         global initializers.
8754         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
8755         exposed variables.
8756         (fold_const_aggregate_ref): Likewise.
8757
8758 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
8759
8760         * recog.c (ordered_comparison_operator): New.
8761         * gensupport.c (std_preds): Add it.
8762         * doc/md.texi (Machine-Independent Predicates): Document it.
8763
8764 2009-04-08  Jan Hubicka  <jh@suse.cz>
8765
8766         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
8767         * function.h (rtl_eh): Remove exception_handler_label_map.
8768         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
8769         remove_exception_handler_label, for_each_eh_label_1): Remove.
8770         (rtl_remove_unreachable_regions): Remove.
8771         (convert_from_eh_region_ranges): Do not remove unreachable regions.
8772         (find_exception_handler_labels): Don't build the hashtable.
8773         (maybe_remove_eh_handler): Remove.
8774         (for_each_eh_label): Rewrite to walk the tree.
8775         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
8776         * except.h (maybe_remove_eh_handler): Remove.
8777         * passes.c (init_optimization_passes): Schedule second EH cleanup
8778         before out-of-ssa.
8779         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
8780         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
8781
8782 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
8783
8784         * genoutput.c (validate_optab_operands): New.
8785         (gen_insn, gen_expand): Call it.
8786
8787         * genflags.c (gen_insn): Detect misused iterators.
8788         (main): Pass line_no to gen_insn, exit with status 1 on error.
8789
8790         * genextract.c (line_no): Make global.
8791         (VEC_safe_set_locstr): Change assertion to error message.
8792         (main): Exit with status 1 on error.
8793
8794 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
8795
8796         PR c/39614
8797         PR c/39673
8798         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
8799         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
8800         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
8801         * c-convert.c (convert): Do not call fold on results of conversion
8802         functions when the result is a C_MAYBE_CONST_EXPR.
8803         * c-parser.c (c_parser_postfix_expression): Do not fold condition
8804         of __builtin_choose_expr.
8805         * c-typeck.c (remove_c_maybe_const_expr): New.
8806         (build_unary_op, build_conditional_expr, build_compound_expr,
8807         build_binary_op, c_objc_common_truthvalue_conversion): Call
8808         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
8809         integer operands.
8810
8811 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
8812
8813         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
8814         CODE to produce a new one. Add a prototype to use fold_convert_const
8815
8816 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
8817
8818         PR bootstrap/39660
8819         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
8820         mix declarations and code.
8821
8822 2009-04-08  Ben Elliston  <bje@au.ibm.com>
8823
8824         * gcc.c: Replace `CC' with `GCC' throughout.
8825
8826 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
8827
8828         * doc/invoke.texi: Document Atom support.
8829
8830 2009-04-07  Jason Merrill  <jason@redhat.com>
8831
8832         PR c++/25185
8833         * c-common.h, c-common.c: Add flag_pretty_templates.
8834         * c-opts.c (c_common_handle_option): Set it.
8835         * c.opt: Add -fno-pretty-templates.
8836         * doc/invoke.texi (C++ Dialect Options): Likewise.
8837
8838 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
8839
8840         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
8841         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
8842         (ia64_expand_builtin): Likewise.
8843
8844 2009-04-07  Martin Jambor  <mjambor@suse.cz>
8845
8846         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
8847         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
8848         ADDR_EXPRS are include too.
8849
8850 2009-04-07  Richard Guenther  <rguenther@suse.de>
8851
8852         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
8853         decls are only used if passes as parameters or if they are
8854         local statics and the call is not to a builtin.
8855         (call_may_clobber_ref_p_1): Likewise.
8856
8857 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
8858
8859         * expr.c (do_store_flag): Remove last argument.  Simplify code
8860         to avoid duplication of tests already done by can_compare_p.
8861         (expand_expr_real_1): Adjust caller.
8862
8863 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
8864
8865         * optabs.c (can_compare_p): Test the predicate of a
8866         cbranch and cstore pattern.
8867
8868 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
8869
8870         * expr.c (convert_move): Use emit_store_flag instead of
8871         "emulating" it.
8872
8873 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
8874
8875         * config/i386/i386.c (ix86_compare_emitted): Remove.
8876         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
8877         ix86_compare_op0 like ix86_compare_emitted used to be handled.
8878         * config/i386/i386.h (ix86_compare_emitted): Remove.
8879         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
8880         instead of ix86_compare_emitted.
8881         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
8882
8883 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
8884
8885         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
8886         Add t-sysroot-suffix to tmake_file.
8887         * config/print-sysroot-suffix.sh: New file.
8888         * config/t-sysroot-suffix: New file.
8889
8890 2009-04-07  Ben Elliston  <bje@au.ibm.com>
8891
8892         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
8893         as the latter produces a warning when the target does not support
8894         infinity.
8895
8896 2009-04-07  Ben Elliston  <bje@au.ibm.com>
8897
8898         * dfp.c: Replace type punning assignments with memcpy throughout.
8899         * Makefile.in (dfp.o-warn): Remove.
8900
8901 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
8902
8903         PR target/39634
8904         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
8905         Include soft-fp/t-softfp after rs6000/t-linux64.
8906
8907 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
8908
8909         * stor-layout.c (set_sizetype): Use the full precision of their
8910         machine mode for bitsize types.
8911
8912 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
8913
8914         * config/i386/i386.md: Revert 2 accidental checkins.
8915
8916 2009-04-06  Joey Ye  <joey.ye@intel.com>
8917             Xuepeng Guo  <xuepeng.guo@intel.com>
8918             H.J. Lu  <hongjiu.lu@intel.com>
8919
8920         Atom pipeline model, tuning and insn selection.
8921         * config.gcc (atom): Add atom config options and target.
8922
8923         * config/i386/atom.md: New.
8924
8925         * config/i386/i386.c (atom_cost): New cost.
8926         (m_ATOM): New macro flag.
8927         (initial_ix86_tune_features): Set m_ATOM.
8928         (x86_accumulate_outgoing_args): Likewise.
8929         (x86_arch_always_fancy_math_387): Likewise.
8930         (processor_target): Add Atom cost.
8931         (cpu_names): Add Atom cpu name.
8932         (override_options): Set Atom ISA.
8933         (ix86_issue_rate): New case PROCESSOR_ATOM.
8934         (ix86_adjust_cost): Likewise.
8935
8936         * config/i386/i386.h (TARGET_ATOM): New target macro.
8937         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
8938         (TARGET_OPT_AGU): New target option.
8939         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
8940         (processor_type): Add PROCESSOR_ATOM.
8941
8942         * config/i386/i386.md (cpu): Add new value "atom".
8943         (use_carry, movu): New attr.
8944         (atom.md): Include atom.md.
8945         (adddi3_carry_rex64): Set attr "use_carry".
8946         (addqi3_carry): Likewise.
8947         (addhi3_carry): Likewise.
8948         (addsi3_carry): Likewise.
8949         (*addsi3_carry_zext): Likewise.
8950         (subdi3_carry_rex64): Likewise.
8951         (subqi3_carry): Likewise.
8952         (subhi3_carry): Likewise.
8953         (subsi3_carry): Likewise.
8954         (x86_movdicc_0_m1_rex64): Likewise.
8955         (*x86_movdicc_0_m1_se): Likewise.
8956         (x86_movsicc_0_m1): Likewise.
8957         (*x86_movsicc_0_m1_se): Likewise.
8958         (*adddi_1_rex64): Emit add insn as much as possible.
8959         (*addsi_1): Likewise.
8960         (return_internal): Set atom_unit.
8961         (return_internal_long): Likewise.
8962         (return_pop_internal): Likewise.
8963         (*rcpsf2_sse): Set atom_sse_attr attr.
8964         (*qrt<mode>2_sse): Likewise.
8965         (*prefetch_sse): Likewise.
8966
8967         * config/i386/i386-c.c (ix86_target_macros_internal): New case
8968         PROCESSOR_ATOM.
8969         (ix86_target_macros_internal): Likewise.
8970
8971         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
8972         (*prefetch_sse_rex): Likewise.
8973         (sse_rcpv4sf2): Likewise.
8974         (sse_vmrcpv4sf2): Likewise.
8975         (sse_sqrtv4sf2): Likewise.
8976         (<sse>_vmsqrt<mode>2): Likewise.
8977         (sse_ldmxcsr): Likewise.
8978         (sse_stmxcsr): Likewise.
8979         (*sse_sfence): Likewise.
8980         (sse2_clflush): Likewise.
8981         (*sse2_mfence): Likewise.
8982         (*sse2_lfence): Likewise.
8983         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
8984         (<sse>_movup<ssemodesuffixf2c>): Likewise.
8985         (avx_movdqu<avxmodesuffix>): Likewise.
8986         (avx_lddqu<avxmodesuffix>): Likewise.
8987         (sse2_movntv2di): Change attr "type" to "ssemov".
8988         (sse2_movntsi): Likewise.
8989         (rsqrtv8sf2): Change attr "type" to "sseadd".
8990         (sse3_addsubv2df3): Set attr "atom_unit".
8991         (sse3_h<plusminus_insn>v4sf3): Likewise.
8992         (*sse2_pmaddwd): Likewise.
8993         (*vec_extractv2di_1_rex64): Likewise.
8994         (*vec_extractv2di_1_avx): Likewise.
8995         (sse2_psadbw): Likewise.
8996         (ssse3_phaddwv8hi3): Likewise.
8997         (ssse3_phaddwv4hi3): Likewise.
8998         (ssse3_phadddv4si3): Likewise.
8999         (ssse3_phadddv2si3): Likewise.
9000         (ssse3_phaddswv8hi3): Likewise.
9001         (ssse3_phaddswv4hi3): Likewise.
9002         (ssse3_phsubwv8hi3): Likewise.
9003         (ssse3_phsubwv4hi3): Likewise.
9004         (ssse3_phsubdv4si3): Likewise.
9005         (ssse3_phsubdv2si3): Likewise.
9006         (ssse3_phsubswv8hi3): Likewise.
9007         (ssse3_phsubswv4hi3): Likewise.
9008         (ssse3_pmaddubsw128): Likewise.
9009         (sse3_pmaddubsw: Likewise.
9010         (ssse3_palignrti): Likewise.
9011         (ssse3_palignrdi): Likewise.
9012
9013 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
9014
9015         * doc/install.texi (Specific): Fix two cross-references to MinGW.
9016
9017 2009-04-06  Richard Guenther  <rguenther@suse.de>
9018
9019         PR tree-optimization/28868
9020         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
9021         of which PHI results we inserted.
9022         (insert_into_preds_of_block): Record inserted PHIs.
9023         (eliminate): Eliminate redundant PHI nodes.
9024         (init_pre): Init inserted_phi_names.
9025
9026 2009-04-06  Richard Guenther  <rguenther@suse.de>
9027
9028         PR tree-optimization/39643
9029         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
9030         IMAGPART_EXPRs of complex constants.
9031         (execute_fold_all_builtins): If we folded a call queue
9032         TODO_update_address_taken.
9033
9034 2009-04-06  Jan Hubicka  <jh@suse.cz>
9035
9036         PR middle-end/39659
9037         * except.c (remove_unreachable_regions): Propagate may_contain_throw
9038         flag.
9039
9040 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
9041
9042         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
9043         delay slot.
9044         (ic_invalidate_array): Likewise.
9045
9046 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
9047
9048         * calls.c (emit_library_call_value_1): Fix a problem with parameter
9049         alignment for library calls.
9050
9051 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
9052
9053         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
9054         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
9055         * config/i386/mingw-stdint.h:  New file.
9056
9057 2009-04-05  Richard Guenther  <rguenther@suse.de>
9058
9059         PR tree-optimization/39648
9060         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
9061         our &A vs. &A[0] IL deficiencies.
9062
9063 2009-04-04  Jan Hubicka  <jh@suse.cz>
9064
9065         * except.c (sjlj_find_directly_reachable_regions): Be ready for
9066         removed toplevel regions.
9067         (sjlj_mark_call_sites): Likewise.
9068
9069 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
9070
9071         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
9072         (cygwin tm clause use_gcc_stdint):  Set to wrap.
9073         * config/i386/cygwin-stdint.h:  New file.
9074
9075 2009-04-04  Richard Guenther  <rguenther@suse.de>
9076
9077         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
9078         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
9079         single-argument PHIs if we are in loop-closed SSA form.
9080         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
9081         for the pre-condition.
9082         (slpeel_tree_peel_loop_to_edge): Likewise.
9083         (vect_build_loop_niters): Take an optional sequence to append stmts.
9084         (vect_generate_tmps_on_preheader): Likewise.
9085         (vect_do_peeling_for_loop_bound): Take extra guards for the
9086         pre-condition.
9087         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
9088         the cost model check.
9089         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
9090         guards if we are going to peel.  Do not apply versioning in that case.
9091         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
9092         (vect_do_peeling_for_loop_bound): Likewise.
9093         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
9094         loop bound only record extra pre-conditions, do not apply loop
9095         versioning.
9096
9097 2009-04-04  Richard Guenther  <rguenther@suse.de>
9098
9099         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
9100         renaming code.
9101
9102 2009-04-04  Jan Hubicka  <jh@suse.cz>
9103
9104         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
9105         last_basic_block for size of bb->index indexed array.
9106         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
9107         compute_out, link_btr_uses, build_btr_def_use_webs,
9108         build_btr_def_use_webs, migrate_btr_defs): Likewise.
9109
9110 2009-04-04  Jan Hubicka  <jh@suse.cz>
9111
9112         * except.c (remove_eh_handler_and_replace): Break out from ...
9113         (remove_eh_handler): ... here.
9114         (bring_to_root): New function.
9115         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
9116         handled ones, bring others to root of tree.
9117
9118 2009-04-04  Jan Hubicka  <jh@suse.cz>
9119
9120         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
9121         (all_phis_safe_to_merge): New function.
9122         (update_info): New structure.
9123         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
9124         (cleanup_empty_eh): Update SSA if possible.
9125
9126 2009-04-04  Richard Guenther  <rguenther@suse.de>
9127
9128         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
9129         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
9130         (append_vuse): Likewise.
9131
9132 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
9133
9134         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
9135         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
9136         instead of REG_UNSAVED for DW_CFA_undefined.
9137         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
9138         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
9139         outermost frame.
9140
9141 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
9142
9143         PR target/39501
9144         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
9145         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
9146         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
9147
9148 2009-04-04  Richard Guenther  <rguenther@suse.de>
9149
9150         PR tree-optimization/8781
9151         PR tree-optimization/37892
9152         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
9153         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
9154         (valueize_refs): Call it for *& valueizations.
9155         (shared_reference_ops_from_ref): Rename to ...
9156         (valueize_shared_reference_ops_from_ref): ... this and valueize.
9157         (shared_reference_ops_from_call): Rename to ...
9158         (valueize_shared_reference_ops_from_call): ... this and valueize.
9159         (vn_reference_lookup): Update.
9160         (visit_reference_op_call): Likewise.
9161         * tree-ssa-pre.c (phi_translate_1): Fold *&.
9162         (eliminate): Value-replace the call address in call statements.
9163
9164 2009-04-04  Richard Guenther  <rguenther@suse.de>
9165
9166         PR tree-optimization/39636
9167         * tree-ssa-forwprop.c
9168         (forward_propagate_addr_into_variable_array_index): Check for
9169         GIMPLE_ASSIGN before accessing the rhs code.
9170
9171 2009-04-03  Jason Merrill  <jason@redhat.com>
9172
9173         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
9174
9175 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
9176
9177         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
9178         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
9179         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
9180         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
9181         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
9182         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
9183         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
9184         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
9185         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
9186         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
9187         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
9188         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
9189         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
9190         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
9191         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
9192         Use fr_reg_or_fp01_operand instead of fr_register_operand
9193
9194         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
9195         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
9196         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
9197
9198 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
9199
9200         PR rtl-optimization/39607
9201         PR rtl-optimization/39631
9202
9203         Revert:
9204
9205         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
9206         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
9207         instead of DF_LR_OUT.
9208         * ira-lives.c (process_bb_node_lives): Ditto.
9209         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
9210         instead of DF_LR_{OUT,IN}.
9211         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
9212         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
9213
9214 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
9215
9216         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
9217         (execute_lower_omp): Always run but take the short way out if -fopenmp
9218         is not given.
9219         (gate_lower_omp): Remove, forcing the pass manager to always run the
9220         pass and always set PROP_gimple_lomp.
9221         (pass_lower_omp): Remove gate function.
9222         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
9223         PROP_trees.  Instead, require it.
9224         * ipa-cp.c (pass_ipa_cp): Likewise.
9225         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
9226         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
9227         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
9228         and PROP_gimple_leh.
9229
9230 2009-04-03  Richard Guenther  <rguenther@suse.de>
9231
9232         PR middle-end/13146
9233         PR tree-optimization/23940
9234         PR tree-optimization/33237
9235         PR middle-end/33974
9236         PR middle-end/34093
9237         PR tree-optimization/36201
9238         PR tree-optimization/36230
9239         PR tree-optimization/38049
9240         PR tree-optimization/38207
9241         PR tree-optimization/38230
9242         PR tree-optimization/38301
9243         PR tree-optimization/38585
9244         PR middle-end/38895
9245         PR tree-optimization/38985
9246         PR tree-optimization/39299
9247         * tree-ssa-structalias.h: Remove.
9248         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
9249         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
9250         (struct vuse_element_d): Remove.
9251         (struct vuse_vec_d): Likewise.
9252         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
9253         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
9254         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
9255         VUSE_ELEMENT_VAR): Likewise.
9256         (struct voptype_d): Likewise.
9257         (NUM_VOP_FREE_BUCKETS): Likewise.
9258         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
9259         (struct stmt_operands_d): Remove.
9260         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
9261         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
9262         VDEF_NUM, VDEF_VECT): Likewise.
9263         (copy_virtual_operands): Remove.
9264         (operand_build_cmp): Likewise.
9265         (create_ssa_artificial_load_stmt): Likewise.
9266         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
9267         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
9268         vuse_index and mayuse_index members.  Pack and move done and iter_type
9269         members to the front.
9270         (SSA_OP_VMAYUSE): Remove.
9271         (SSA_OP_VIRTUAL_USES): Adjust.
9272         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
9273         (unlink_stmt_vdef): Declare.
9274         (add_to_addressable_set): Remove.
9275         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
9276         (vrp_visit_stmt): Likewise.
9277         * doc/tree-ssa.texi (Alias analysis): Update.
9278         * doc/invoke.texi (max-aliased-vops): Remove docs.
9279         (avg-aliased-vops): Likewise.
9280         * tree-into-ssa.c (syms_to_rename): Remove.
9281         (need_to_update_vops_p): Likewise.
9282         (need_to_initialize_update_ssa_p): Rename to ...
9283         (update_ssa_initialized_fn): ... this.  Track function we are
9284         initialized for.
9285         (symbol_marked_for_renaming): Simplify.
9286         (add_new_name_mapping): Do not set need_to_update_vops_p.
9287         (dump_currdefs): Use SYMS_TO_RENAME.
9288         (rewrite_update_stmt): Always walk all uses/defs.
9289         (dump_update_ssa): Adjust.
9290         (init_update_ssa): Take function argument.  Track what we are
9291         initialized for.
9292         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
9293         (create_new_def_for): Initialize for cfun, assert we are initialized
9294         for cfun.
9295         (mark_sym_for_renaming): Simplify.
9296         (mark_set_for_renaming): Do not initialize update-ssa.
9297         (need_ssa_update_p): Simplify.  Take function argument.
9298         (name_mappings_registered_p): Assert we ask for the correct function.
9299         (name_registered_for_update_p): Likewise.
9300         (ssa_names_to_replace): Likewise.
9301         (release_ssa_name_after_update_ssa): Likewise.
9302         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
9303         (dump_decl_set): Do not print a newline.
9304         (debug_decl_set): Do it here.
9305         (dump_update_ssa): And here.
9306         * tree-ssa-loop-im.c (move_computations): Adjust.
9307         (movement_possibility): Likewise.
9308         (determine_max_movement): Likewise.
9309         (gather_mem_refs_stmt): Likewise.
9310         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
9311         or NAME_MEMORY_TAG.
9312         * tree-complex.c (update_all_vops): Remove.
9313         (expand_complex_move): Adjust.
9314         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
9315         Simplify test for memory referencing statement.  Exclude
9316         non-invariant ADDR_EXPRs.
9317         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
9318         * tree-loop-distribution.c (generate_memset_zero): Adjust.
9319         (rdg_flag_uses): Likewise.
9320         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
9321         related code.
9322         (tree_optimize_tail_calls_1): Also split the
9323         edge from the entry block if we have degenerate PHI nodes in
9324         the first basic block.
9325         * tree.c (init_ttree): Remove memory-tag related code.
9326         (tree_code_size): Likewise.
9327         (tree_node_structure): Likewise.
9328         (build7_stat): Re-write to be build6_stat.
9329         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
9330         (SSA_VAR_P): Adjust.
9331         (struct tree_memory_tag): Remove.
9332         (struct tree_memory_partition_tag): Likewise.
9333         (union tree_node): Adjust.
9334         (build7): Re-write to be build6.
9335         * tree-pass.h (pass_reset_cc_flags): Remove.
9336         (TODO_update_address_taken): New flag.
9337         (pass_simple_dse): Remove.
9338         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
9339         * params.h (MAX_ALIASED_VOPS): Remove.
9340         (AVG_ALIASED_VOPS): Likewise.
9341         * omp-low.c (expand_omp_taskreg): Update SSA form.
9342         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
9343         aliases the lhs in a copy stmt.
9344         * tree-ssa-dse.c (struct address_walk_data): Remove.
9345         (memory_ssa_name_same): Likewise.
9346         (memory_address_same): Likewise.
9347         (get_kill_of_stmt_lhs): Likewise.
9348         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
9349         unused stores.  Look through PHI nodes into post-dominated regions.
9350         (dse_optimize_stmt): Simplify.  Properly remove stores.
9351         (tree_ssa_dse): Compute dominators.
9352         (execute_simple_dse): Remove.
9353         (pass_simple_dse): Likewise.
9354         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
9355         gimple_loaded_syms and gimple_stored_syms computation.
9356         * toplev.c (dump_memory_report): Dump alias and pta stats.
9357         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
9358         (vn_reference_eq): Likewise.
9359         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
9360         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
9361         valueize_vuses): Remove.
9362         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
9363         (get_def_ref_stmt_vuse): ... this.
9364         (vn_reference_lookup_2): New function.
9365         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
9366         walking equivalent vuses.  Simplify.
9367         (vn_reference_lookup): Likewise.
9368         (vn_reference_insert): Likewise.
9369         (vn_reference_insert_pieces): Likewise.
9370         (visit_reference_op_call): Simplify.
9371         (visit_reference_op_load): Likewise.
9372         (visit_reference_op_store): Likewise.
9373         (init_scc_vn): Remove shared_lookup_vuses initialization.
9374         (free_scc_vn): Remove shared_lookup_vuses freeing.
9375         (sort_vuses, sort_vuses_heap): Remove.
9376         (get_ref_from_reference_ops): Export.
9377         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
9378         vector with single vuse pointer.
9379         (vn_reference_lookup_pieces, vn_reference_lookup,
9380         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
9381         (shared_vuses_from_stmt): Remove.
9382         (get_ref_from_reference_ops): Declare.
9383         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
9384         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
9385         memory-tag related code.
9386         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
9387         (likely_value): Add comment, skip static-chain of call statements.
9388         (surely_varying_stmt_p): Adjust.
9389         (gimplify_and_update_call_from_tree): Likewise.
9390         (execute_fold_all_builtins): Do not rebuild alias info.
9391         (gimplify_and_update_call_from_tree): Properly update VOPs.
9392         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
9393         (copy_ref_info): Remove memory-tag related code.
9394         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
9395         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
9396         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
9397         computation.
9398         * tree-ssa-dom.c (gimple_p): Remove typedef.
9399         (eliminate_redundant_computations): Adjust.
9400         (record_equivalences_from_stmt): Likewise.
9401         (avail_expr_hash): Likewise.
9402         (avail_expr_eq): Likewise.
9403         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
9404         (stmt_makes_single_load): Likewise.
9405         (stmt_makes_single_store): Likewise.
9406         * tree-ssa-alias.c: Rewrite completely.
9407         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
9408         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
9409         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
9410         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
9411         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
9412         Remove public functions.
9413         (pass_reset_cc_flags): Remove.
9414         (pass_build_alias): Move ...
9415         * tree-ssa-structalias.c (pass_build_alias): ... here.
9416         * tree-ssa-alias.c (may_be_aliased): Move ...
9417         * tree-flow-inline.h (may_be_aliased): ... here.
9418         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
9419         count_uses_and_derefs): Move ...
9420         * gimple.c: ... here.
9421         * gimple.h (count_uses_and_derefs): Declare.
9422         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
9423         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
9424         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
9425         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
9426         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
9427         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
9428         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
9429         New functions.
9430         * tree-dfa.c (refs_may_alias_p): Move ...
9431         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
9432         * tree-ssa-alias.h: New file.
9433         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
9434         (statement_sink_location): Likewise.
9435         * opts.c (decode_options): Do not adjust max-aliased-vops or
9436         avg-aliased-vops values.
9437         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
9438         (TV_CALL_CLOBBER): Likewise.
9439         (TV_FLOW_SENSITIVE): Likewise.
9440         (TV_FLOW_INSENSITIVE): Likewise.
9441         (TV_MEMORY_PARTITIONING): Likewise.
9442         (TV_ALIAS_STMT_WALK): New timevar.
9443         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
9444         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
9445         (get_address_description): Remove memory-tag related code.
9446         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
9447         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
9448         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
9449         and immediate uses in statements.  Document.
9450         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
9451         (dump_symbols): Remove.
9452         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
9453         * alias.c (get_deref_alias_set): New function split out from ...
9454         (get_alias_set): ... here.
9455         * alias.h (get_deref_alias_set): Declare.
9456         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
9457         type parameter.  Remove restrict pointer handling.  Create a
9458         ref-all pointer in case type-based alias sets do not conflict.
9459         (vect_analyze_data_refs): Remove SMT related code.
9460         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
9461         (vectorizable_load): Likewise.
9462         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
9463         (DR_SYMBOL_TAG, DR_VOPS): Remove.
9464         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
9465         Ignore vops and SMTs.
9466         (dr_analyze_alias): Likewise..
9467         (free_data_ref): Likewise.
9468         (create_data_ref): Likewise.
9469         (analyze_all_data_dependences): Likewise.
9470         (get_references_in_stmt): Adjust.
9471         * tree-flow-inline.h (gimple_aliases_computed_p,
9472         gimple_addressable_vars, gimple_call_clobbered_vars,
9473         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
9474         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
9475         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
9476         gimple_mem_ref_stats): Remove.
9477         (gimple_vop): New function.
9478         (op_iter_next_use): Remove vuses and mayuses cases.
9479         (op_iter_next_def): Remove vdefs case.
9480         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
9481         (clear_and_done_ssa_iter): Do not set removed fields.
9482         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
9483         Assert we are not iterating over vuses or vdefs if not also
9484         iterating over uses or defs.
9485         (op_iter_init_use): Likewise.
9486         (op_iter_init_def): Likewise.
9487         (op_iter_next_vdef): Remove.
9488         (op_iter_next_mustdef): Likewise.
9489         (op_iter_init_vdef): Likewise.
9490         (compare_ssa_operands_equal): Likewise.
9491         (link_use_stmts_after): Handle vuse operand.
9492         (is_call_used): Use is_call_clobbered.
9493         (is_call_clobbered): Global variables are always call clobbered,
9494         query the call-clobbers bitmap.
9495         (mark_call_clobbered): Ignore global variables.
9496         (clear_call_clobbered): Likewise.
9497         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
9498         virtual operands sanity check.
9499         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
9500         Remove.
9501         (TARGET_MEM_REF): Remove TMR_TAG operand.
9502         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
9503         Remove call-clobber related code.
9504         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
9505         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
9506         partitions or escape reason.
9507         (get_single_def_stmt, get_single_def_stmt_from_phi,
9508         get_single_def_stmt_with_phi): Remove.
9509         (dump_referenced_vars): Tidy.
9510         (get_ref_base_and_extent): Allow bare decls.
9511         (collect_dfa_stats): Adjust.
9512         * graphite.c (rename_variables_in_stmt): Adjust.
9513         (graphite_copy_stmts_from_block): Likewise.
9514         (translate_clast): Likewise.
9515         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
9516         (EXPR_DIES): New.
9517         (translate_vuse_through_block): Use the oracle.
9518         (phi_translate_1): Adjust.
9519         (value_dies_in_block_x): Use the oracle.  Cache the outcome
9520         in EXPR_DIES.
9521         (valid_in_sets): Check if the VUSE for
9522         a REFERENCE is available.
9523         (eliminate): Do not remove stmts during elimination,
9524         instead queue and remove them afterwards.
9525         (do_pre): Do not rebuild alias info.
9526         (pass_pre): Run TODO_rebuild_alias before PRE.
9527         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
9528         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
9529         (mark_all_v_defs_stmt): Remove.
9530         (mark_all_v_defs_seq): Adjust.
9531         (sra_replace): Likewise.
9532         (scalarize_use): Likewise.
9533         (scalarize_copy): Likewise.
9534         (scalarize_init): Likewise.
9535         (scalarize_ldst): Likewise.
9536         (todoflags): Remove.
9537         (tree_sra): Do not rebuild alias info.
9538         (tree_sra_early): Adjust.
9539         (pass_sra): Run TODO_update_address_taken before SRA.
9540         * tree-predcom.c (set_alias_info): Remove.
9541         (prepare_initializers_chain): Do not call it.
9542         (mark_virtual_ops_for_renaming): Adjust.
9543         (mark_virtual_ops_for_renaming_list): Remove.
9544         (initialize_root_vars): Adjust.
9545         (initialize_root_vars_lm): Likewise.
9546         (prepare_initializers_chain): Likewise.
9547         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
9548         (may_propagate_copy_into_stmt): Likewise.
9549         (merge_alias_info): Do nothing for now.
9550         (propagate_tree_value_into_stmt): Adjust.
9551         (stmt_may_generate_copy): Likewise.
9552         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
9553         not mark symbols for renaming.
9554         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
9555         with the same statement, make sure to update the new pointed-to one.
9556         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
9557         call statements, do not mark symbols for renaming.
9558         (mark_operand_necessary): Dump something.
9559         (ref_may_be_aliased): New function.
9560         (mark_aliased_reaching_defs_necessary_1): New helper function.
9561         (mark_aliased_reaching_defs_necessary): Likewise.
9562         (mark_all_reaching_defs_necessary_1): Likewise.
9563         (mark_all_reaching_defs_necessary): Likewise.
9564         (propagate_necessity): Do not process virtual PHIs.  For
9565         non-aliased loads mark all reaching definitions as necessary.
9566         For aliased loads and stores mark the immediate dominating
9567         aliased clobbers as necessary.
9568         (visited): New global static.
9569         (perform_tree_ssa_dce): Free visited bitmap after propagating
9570         necessity.
9571         (remove_dead_phis): Perform simple dead virtual PHI removal.
9572         (remove_dead_stmt): Properly unlink virtual operands when
9573         removing stores.
9574         (eliminate_unnecessary_stmts): Schedule PHI removal after
9575         stmt removal.
9576         * tree-ssa-ter.c (is_replaceable_p): Adjust.
9577         (process_replaceable): Likewise.
9578         (find_replaceable_in_bb): Likewise.
9579         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
9580         based on the single gimple vop.
9581         (verify_flow_insensitive_alias_info): Remove.
9582         (verify_flow_sensitive_alias_info): Likewise.
9583         (verify_call_clobbering): Likewise.
9584         (verify_memory_partitions): Likewise.
9585         (verify_alias_info): Likewise.
9586         (verify_ssa): Adjust..
9587         (execute_update_addresses_taken): Export.  Update SSA
9588         manually.  Optimize only when optimizing.  Use a local bitmap.
9589         (pass_update_address_taken): Remove TODO_update_ssa, add
9590         TODO_dump_func.
9591         (pass_update_address_taken): Just use TODO_update_address_taken.
9592         (init_tree_ssa): Do not initialize addressable_vars.
9593         (verify_ssa): Verify new VUSE / VDEF properties.
9594         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
9595         Do not call verify_alias_info.
9596         (delete_tree_ssa): Clear the VUSE, VDEF operands.
9597         Do not free the loaded and stored syms bitmaps.  Reset the escaped
9598         and callused solutions.  Do not free addressable_vars.
9599         Remove memory-tag related code.
9600         (warn_uninitialized_var): Aliases are always available.
9601         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
9602         * lambda-code.c (can_put_in_inner_loop): Adjust.
9603         (can_put_after_inner_loop): Likewise.
9604         (perfect_nestify): Likewise.
9605         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
9606         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
9607         (vectorizable_conversion): Do not mark symbols for renaming.
9608         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
9609         (expand_call_inline): Unlink the calls virtual operands before
9610         replacing it.
9611         (tree_function_versioning): Do not call update_ssa if we are not
9612         updating clones.  Simplify.
9613         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
9614         (propagate_with_phi): Likewise..
9615         * tree-outof-ssa.c (create_temp): Remove memory tag and call
9616         clobber code.  Assert we are not aliased or global.
9617         * tree-flow.h: Include tree-ssa-alias.h
9618         (enum escape_type): Remove.
9619         (struct mem_sym_stats_d): Likewise.
9620         (struct mem_ref_stats_d): Likewise.
9621         (struct gimple_df): Add vop member.  Remove global_var,
9622         call_clobbered_vars, call_used_vars, addressable_vars,
9623         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
9624         escaped and callused members.
9625         (struct ptr_info_def): Remove all members, add points-to solution
9626         member pt.
9627         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
9628         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
9629         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
9630         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
9631         (tree-ssa-alias.o): Likewise.
9632         (toplev.o): Add tree-ssa-alias.h
9633         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
9634         * gimple.c (gimple_set_bb): Fix off-by-one error.
9635         (is_gimple_reg): Do not handle memory tags.
9636         (gimple_copy): Also copy virtual operands.
9637         Delay updating the statement.  Do not reset loaded and stored syms.
9638         (gimple_set_stored_syms): Remove.
9639         (gimple_set_loaded_syms): Likewise.
9640         (gimple_call_copy_skip_args): Copy the virtual operands
9641         and mark the new statement modified.
9642         * tree-ssa-structalias.c (may_alias_p): Remove.
9643         (set_uids_in_ptset): Take the alias set to prune with as
9644         parameter.  Fold in the alias test of may_alias_p.
9645         (compute_points_to_sets): Compute whether a ptr is dereferenced
9646         in a local sbitmap.
9647         (process_constraint): Deal with &ANYTHING on the lhs, reject all
9648         other ADDRESSOF constraints on the lhs.
9649         (get_constraint_for_component_ref): Assert that we don't get
9650         ADDRESSOF constraints from the base of the reference.
9651         Properly generate UNKNOWN_OFFSET for DEREF if needed.
9652         (struct variable_info): Remove collapsed_to member.
9653         (get_varinfo_fc): Remove.
9654         (new_var_info): Do not set collapsed_to.
9655         (dump_constraint): Do not follow cycles.
9656         (dump_constraint_graph): Likewise.
9657         (build_pred_graph): Likewise.
9658         (build_succ_graph): Likewise.
9659         (rewrite_constraints): Likewise.
9660         (do_simple_structure_copy): Remove.
9661         (do_rhs_deref_structure_copy): Remove.
9662         (do_lhs_deref_structure_copy): Remove.
9663         (collapse_rest_of_var): Remove.
9664         (do_structure_copy): Re-implement.
9665         (pta_stats): New global variable.
9666         (dump_pta_stats): New function.
9667         (struct constraint_expr): Make offset signed.
9668         (UNKNOWN_OFFSET): Define special value.
9669         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
9670         (solution_set_expand): New helper function split out from ...
9671         (do_sd_constraint): ... here.
9672         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
9673         (do_ds_constraint): Likewise.
9674         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
9675         and CALLUSED = *CALLUSED.
9676         (set_union_with_increment): Make inc argument signed.
9677         (type_safe): Remove.
9678         (get_constraint_for_ptr_offset): Handle unknown and negative
9679         constant offsets.
9680         (first_vi_for_offset): Handle offsets before start.  Bail
9681         out early for offsets beyond the variable extent.
9682         (first_or_preceding_vi_for_offset): New function.
9683         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
9684         Together with ESCAPED = *ESCAPED this properly computes reachability.
9685         (find_what_var_points_to): New function.
9686         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
9687         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
9688         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
9689         pt_solutions_intersect): New functions.
9690         (compute_call_used_vars): Remove.
9691         (compute_may_aliases): New main entry into PTA computation.
9692         * gimple.h (gimple_p): New typedef.
9693         (struct gimple_statement_base): Remove references_memory_p.
9694         (struct gimple_statement_with_memory_ops_base): Remove
9695         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
9696         members.
9697         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
9698         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
9699         gimple_set_references_memory): Remove.
9700         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
9701         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
9702         New functions.
9703         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
9704         (verify_expr): Allow RESULT_DECL.
9705         (gimple_duplicate_bb): Do not copy virtual operands.
9706         (gimple_duplicate_sese_region): Adjust.
9707         (gimple_duplicate_sese_tail): Likewise.
9708         (mark_virtual_ops_in_region): Remove.
9709         (move_sese_region_to_fn): Do not call it.
9710         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
9711         and pass_simple_dse.
9712         (execute_function_todo): Handle TODO_update_address_taken,
9713         call execute_update_addresses_taken for TODO_rebuild_alias.
9714         (execute_todo): Adjust.
9715         (execute_one_pass): Init dump files early.
9716         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
9717         call-clobbered.
9718         (create_general_new_stmt): Clear vops.
9719         * tree-ssa-reassoc.c (get_rank): Adjust.
9720         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
9721         symbols for renaming.
9722         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
9723         (PARAM_AVG_ALIASED_VOPS): Likewise.
9724         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
9725         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
9726         * tree-ssa-operands.c: Simplify for new virtual operand representation.
9727         (operand_build_cmp, copy_virtual_operands,
9728         create_ssa_artificial_load_stmt, add_to_addressable_set,
9729         gimple_add_to_addresses_taken): Remove public functions.
9730         (unlink_stmt_vdef): New function.
9731
9732 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
9733
9734         * config.gcc (powerpc-*-linux*): Merge variants.
9735
9736 2009-04-02  Chao-ying Fu  <fu@mips.com>
9737             James Grosbach  <james.grosbach@microchip.com>
9738
9739         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
9740         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
9741         cop0_sp_offset.
9742         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
9743         keep_interrupts_masked_p, use_debug_exception_return_p.
9744         (mips_attribute_table): Add interrupt, use_shadow_register_set,
9745         keep_interrupts_masked, use_debug_exception_return.
9746         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
9747         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
9748         New functions.
9749         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
9750         (mips_print_operand): Process COP0 registers to print $0 .. $31
9751         correctly for GAS to process.
9752         (mips_interrupt_extra_call_saved_reg_p): New function.
9753         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
9754         extra registers.
9755         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
9756         (mips_compute_frame_info): Add supports for interrupt context that
9757         includes doubleword accumulators and COP0 registers.
9758         (mips_for_each_saved_acc): New function.
9759         (mips_for_each_saved_gpr_and_fpr): Change the function name from
9760         mips_for_each_saved_reg.
9761         (mips_save_reg): Save accumulators.
9762         (mips_kernel_reg_p): A new for_each_rtx callback.
9763         (mips_expand_prologue): Support interrupt handlers.
9764         (mips_restore_reg): Restore accumulators.
9765         (mips_expand_epilogue): Support interrupt handlers.
9766         (mips_can_use_return_insn): Return false for interrupt handlers.
9767         (mips_epilogue_uses): New function.
9768         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
9769         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
9770         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
9771         cop0_move): New instructions.
9772         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
9773         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
9774         defines.
9775         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
9776         New defines.
9777         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
9778         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
9779         interrupt handlers, we use K0 as the temporary register.
9780         (EPILOGUE_USES): Change to a function call.
9781         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
9782         handlers, we use K0 as the temporary register.
9783
9784         * doc/extend.texi (Function Attributes): Document interrupt,
9785         use_shadow_register_set, keep_interrupts_masked,
9786         use_debug_exception_return for MIPS attributes.
9787
9788 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
9789
9790         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
9791         Remove a number of t-files from tmake_file.
9792         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
9793         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
9794         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
9795         target_prototype, not TARGET_PROTOTYPE.
9796         (LINK_OS_GNU_SPEC): Define.
9797         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
9798         and darwin-ldoubdle.c.
9799
9800 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
9801
9802         PR driver/39293
9803         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
9804         (cpp_options): Ditto.
9805         (default_compilers): Ditto.
9806         (display_help): Ditto.
9807         (process_command): Ditto.
9808         (do_spec_1): Ditto.
9809         (set_input): Use lbasename instead of duplicate code.
9810         (save_temps_prefix): New static for -save-temps=obj.
9811         (save_temps_length): Ditto.
9812
9813         * doc/invoke.texi (-save-temps=obj): Document new variant to
9814         -save-temps switch.
9815
9816 2009-04-02  Jeff Law  <law@redhat.com>
9817
9818         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
9819         variable.
9820
9821 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
9822
9823         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
9824         * configure: Regenerated.
9825
9826 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
9827
9828         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
9829         share the argument list.
9830
9831 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
9832
9833         Merge
9834
9835         2009-02-12  Diego Novillo  <dnovillo@google.com>
9836
9837         * varpool.c (debug_varpool): New.
9838         * cgraph.h (debug_varpool): Declare.
9839
9840 2009-04-02  Jan Hubicka  <jh@suse.cz>
9841
9842         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
9843         pass.
9844
9845 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
9846
9847         * config/i386/i386.c (ix86_abi): Move initialization to ...
9848         (override_options): Here.
9849
9850 2009-04-02  Christian Bruel  <christian.bruel@st.com>
9851
9852         * config/sh/sh.c (sh_dwarf_register_span): New function.
9853         (TARGET_DWARF_REGISTER_SPAN): Define.
9854         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
9855
9856 2009-04-02  Ira Rosen  <irar@il.ibm.com>
9857
9858         PR tree-optimization/39595
9859         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
9860         interleaved loads group is not  greater than the SLP group size.
9861
9862 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
9863
9864         * builtins.c (is_builtin_name): New.
9865         (called_as_built_in): Use is_builtin_name.
9866         * tree.h (is_builtin_name): New.
9867         * varasm.c (incorporeal_function_p): Use is_builtin_name
9868
9869 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
9870
9871         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
9872
9873 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
9874
9875         PR c++/26693
9876         * c-decl.c (clone_underlying_type): Move this ...
9877         * c-common.c (set_underlying_type): ... here.
9878         Also, make sure the function properly sets TYPE_STUB_DECL() on
9879         the newly created typedef variant type.
9880         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
9881         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
9882         points.
9883
9884 2009-04-02  Richard Guenther  <rguenther@suse.de>
9885
9886         PR tree-optimization/37221
9887         * tree-flow.h (degenerate_phi_result): Declare.
9888         * tree-ssa-dom.c (degenerate_phi_result): Export.
9889         * tree-scalar-evolution.c (analyze_initial_condition): If
9890         the initial condition is defined by a degenerate PHI node
9891         use the degenerate value.
9892
9893 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
9894
9895         PR rtl-optimization/39588
9896         * combine.c (merge_outer_ops): Do not set the constant when this
9897         is not necessary.
9898         (simplify_shift_const_1): Do not modify it either in this case.
9899
9900 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
9901
9902         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
9903         tuning is deprecated if -mtune value is set to an Itanium1 variant.
9904
9905 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
9906
9907         PR c/29027
9908         * c-lex.c (interpret_float): Default (no suffix) is double.
9909
9910 2009-04-1  Xinliang David Li  <davidxl@google.com>
9911
9912         * config/i386/i386.c (legitimate_constant_p): Recognize
9913         all one vector constant.
9914
9915 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
9916
9917         * config/vax/vax.c: Add #includes to silence warnings.
9918         Change #include order to silence two warnings.
9919
9920 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
9921
9922         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
9923         (ASM_SPEC): Pass -k to the assembler for PIC code.
9924
9925 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
9926
9927         * config.gcc: Add vax-*-linux* to the switch.
9928         * config/vax/linux.h: New file. (TARGET_VERSION,
9929         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
9930
9931 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
9932
9933         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
9934         Use predicate macros instead of GET_CODE() == foo.
9935         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
9936         ashlsi3, rotrsi3, <unnamed>): Likewise.
9937
9938 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
9939
9940         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
9941         jbbccihi, jbbccisi): Remova trailing whitespace.
9942         * config/vax/constraints.md: Likewise.
9943         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
9944         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
9945         * config/vax/predicates.md: Likewise.
9946         * config/vax/vax.c (print_operand_address, vax_output_int_move,
9947         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
9948         * config/vax/vax.h: Likewise.
9949         * config/vax/vax.md (nonlocal_goto): Likewise.
9950
9951 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
9952
9953         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
9954         (indirectable_address_p, adjacent_operands_p): Add spaces around
9955         braces.
9956         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
9957
9958 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
9959
9960         * config/vax/vax.c (legitimate_constant_address_p,
9961         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
9962         index_term_p, reg_plus_index_p, legitimate_address_p,
9963         vax_mode_dependent_address_p): Update comments to match functions
9964         modified by the recent int->bool conversion.
9965
9966 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
9967
9968         * config/vax/builtins.md: Update copyright message.
9969         * config/vax/constraints.md: Likewise.
9970         * config/vax/netbsd-elf.h: Likewise.
9971         * config/vax/predicates.md: Likewise.
9972         * config/vax/vax-protos.h: Likewise.
9973         * config/vax/vax.c: Likewise.
9974         * config/vax/vax.h: Likewise.
9975         * config/vax/vax.md: Likewise.
9976         * config/vax/vax.opt: Likewise.
9977
9978 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
9979
9980         * config/vax/builtins.md (ffssi2, ffssi2_internal,
9981         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
9982         * config/vax/constraints.md (B, R): Likewise.
9983         * config/vax/predicates.md (external_memory_operand,
9984         nonimmediate_addsub_di_operand): Likewise.
9985         * config/vax/vax.c (vax_output_int_add): Likewise.
9986         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
9987         untyped_call): Likewise.
9988
9989 2009-04-01  Matt Thomas  <matt@3am-software.com>
9990
9991         * config/vax/predicates.md: New file.
9992         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
9993         external_const_operand, nonsymbolic_operand, external_memory_operand,
9994         indirect_memory_operand, indexed_memory_operand,
9995         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
9996         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
9997         predicate.
9998         * config/vax/constraints.md: New file.
9999         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
10000         New constraint.
10001         * config/vax/builtins.md: New file.
10002         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
10003         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
10004         jbbccisi): Define.
10005         * config/vax/vax.opt (mqmath): Add option.
10006         * config/vax/vax.md (isfx): Extend with DI.
10007         (VAXintQH, VAXintQHSD): Define.
10008         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
10009         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
10010         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
10011         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
10012         (movdi): Update constraints and use vax_output_int_move().
10013         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
10014         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
10015         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
10016         nonlocal_goto): New.
10017         (mov<mode>): Extend accepted operand types.
10018         (subdi3_old): Rename from subdi3, change update constraints and use
10019         a new implementation.
10020         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
10021         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
10022         MOVE_RATIO, CLEAR_RATIO): Define.
10023         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
10024         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10025         (PRINT_OPERAND): Redefine using a function instead of inlined code.
10026         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
10027         (split_quadword_operands): Make static and really allow variable
10028         splitting.
10029         (print_operand_address): Update for PIC generation.
10030         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
10031         indexable_address_p, fixup_mathdi_operand,
10032         vax_expand_addsub_di_operands, adjacent_operands_p): New.
10033         (vax_float_literal, legitimate_constant_p,
10034         indirectable_constant_address_p, index_term_p,
10035         reg_plus_index_p): Return bool instead of int.
10036         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
10037         where needed.
10038         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
10039         generation.
10040         (vax_output_conditional_branch): Indent.
10041         (legitimate_constant_address_p, indirectable_constant_address_p,
10042         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
10043         vax_mode_dependent_address_p): Return bool instead of int, update for
10044         PIC generation.
10045         * config/vax/vax-protos.h (legitimate_constant_address_p,
10046         legitimate_constant_p, legitimate_address_p,
10047         vax_mode_dependent_address_p): Change declaration to bool.
10048         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
10049         vax_expand_addsub_di_operands, vax_output_int_subtract,
10050         vax_output_movmemsi): Declare.
10051         (split_quadword_operands, vax_float_literal): Delete declaration.
10052         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
10053         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
10054         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
10055         ASM_OUTPUT_DWARF_PCREL): Define.
10056         (ASM_SPEC): Change definition to allow PIC generation.
10057
10058 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
10059
10060         * doc/sourcebuild.texi: Update front-end requirements.
10061
10062 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
10063
10064         PR target/39226
10065         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
10066         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
10067         (booldi3_internal3): Use boolean_or_operator instead of
10068         boolean_operator.
10069
10070 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
10071
10072         PR c/39605
10073         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
10074         declarator whose size is not an integer constant expression but
10075         folds to an integer constant, then treat it as a constant
10076         subsequently.
10077
10078 2009-04-01  Richard Guenther  <rguenther@suse.de>
10079
10080         * fold-const.c (fold_plusminus_mult_expr): Do not fold
10081         i * 4 + 2 to (i * 2 + 1) * 2.
10082
10083 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
10084
10085         PR c/37772
10086         * c-parser.c (c_parser_asm_statement): Skip until close paren and
10087         return if c_parser_asm_string_literal returned NULL.
10088
10089 2009-04-01  Nick Clifton  <nickc@redhat.com>
10090
10091         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
10092         already defined.
10093         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
10094         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
10095         other typedefs to avoid conflicts with libgcc2.c.  Define labels
10096         to gain 16-bit bit-manipulation functions from libgcc2.c and then
10097         include it.
10098         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
10099         to gain 16-bit trapping arithmetic functions from libgcc2.c and
10100         then include it.
10101
10102 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
10103
10104         * varasm.c (default_function_rodata_section): Declare DOT as
10105         const char*.
10106
10107 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
10108             Andrey Galkin  <agalkin@hypercom.com>
10109
10110         PR/39492
10111         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
10112         Make object_name unique for each process.
10113
10114 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
10115
10116         PR other/39591
10117         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
10118         addressable variables in the parallel that could go out of scope while
10119         running queued tasks.
10120
10121 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
10122
10123         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
10124         (CASE_VALUES_THRESHOLD): Redefine.
10125         * config/avr/avr.c (avr_override_options): Remove initialization of
10126         avr_case_values_threshold variable.
10127         (avr_case_values_threshold): Remove variable. Add new function.
10128         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
10129         * config/avr/avr.opt (mno-tablejump): Remove option.
10130         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
10131
10132 2009-04-01  DJ Delorie  <dj@redhat.com>
10133
10134         * varasm.c (default_function_rodata_section): Don't assume
10135         anything about where the first '.' in the section name is.
10136
10137 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
10138
10139         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
10140         rs6000_emit_stack_tie.
10141
10142 2009-03-31  Ian Lance Taylor  <iant@google.com>
10143
10144         * tree-eh.c (tree_remove_unreachable_handlers): Compare
10145         gimple_code with GIMPLE_RESX, not RESX.
10146
10147 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
10148
10149         * c-common.c (c_get_ident): New.
10150         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
10151
10152 2009-04-01  Ben Elliston  <bje@au.ibm.com>
10153
10154         * config/rs6000/sysv4.opt (msdata): Improve option description.
10155
10156 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
10157
10158         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
10159         (divdf3_internal_lat): Remove.
10160         (divxf3_internal_lat): Remove.
10161         (divxf3_internal_thr): Remove.
10162         (divxf): Use divxf3_internal.
10163         * config/ia64/div.md (divsf3_internal_lat): New.
10164         (divdf3_internal_lat): New.
10165         (divxf3_internal): New.
10166
10167 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
10168
10169         PR c/448
10170         * Makefile.in (USE_GCC_STDINT): Define.
10171         (stmp-int-hdrs): Install stdint.h if applicable.
10172         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
10173         if known.
10174         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
10175         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
10176         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
10177         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
10178         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
10179         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
10180         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
10181         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
10182         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
10183         (c_common_nodes_and_builtins): Initialize
10184         underlying_wchar_type_node.  Do not initialize
10185         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
10186         nodes for new types.
10187         (c_stddef_cpp_builtins): Define macros for new types.
10188         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
10189         Remove.
10190         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
10191         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
10192         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
10193         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
10194         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
10195         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
10196         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
10197         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
10198         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
10199         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
10200         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
10201         int16_type_node, int32_type_node, int64_type_node,
10202         uint8_type_node, uint16_type_node, c_uint32_type_node,
10203         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
10204         int_least32_type_node, int_least64_type_node,
10205         uint_least8_type_node, uint_least16_type_node,
10206         uint_least32_type_node, uint_least64_type_node,
10207         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
10208         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
10209         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
10210         uintptr_type_node): Define.
10211         * c-cppbuiltin.c (builtin_define_constants,
10212         builtin_define_type_minmax): New.
10213         (builtin_define_stdint_macros): Define more macros.
10214         (c_cpp_builtins): Define more limit macros.
10215         (type_suffix): New.
10216         (builtin_define_type_max): Define in terms of
10217         builtin_define_type_minmax.  Remove is_long parameter.  All
10218         callers changed.
10219         * config.gcc (use_gcc_stdint): Define.
10220         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
10221         Add newlib-stdint.h for generic targets.
10222         * config/glibc-stdint.h, config/newlib-stdint.h,
10223         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
10224         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
10225         * config/score/score.h (UINTPTR_TYPE): Define.
10226         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
10227         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
10228         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
10229         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
10230         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
10231         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
10232         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
10233         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
10234         * config/spu/spu.h (STDINT_LONG32): Define.
10235         * configure.ac (use_gcc_stdint): Substitute.
10236         * configure: Regenerate.
10237         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
10238         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
10239         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
10240         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
10241         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
10242         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
10243         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
10244         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
10245         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
10246         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
10247         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
10248         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
10249         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
10250         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
10251         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
10252         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
10253         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
10254         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
10255         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
10256         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
10257         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
10258         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
10259         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
10260         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
10261         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
10262         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
10263         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
10264         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
10265         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
10266
10267 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
10268
10269         * loop-iv.c (suitable_set_for_replacement): Renamed from
10270         simplify_using_assignment; changed to return bool and to accept new
10271         args DEST and SRC.  Return true iff we find a source/destination pair
10272         that can be used to make a replacement, and fill SRC and DEST if so.
10273         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
10274         changed.
10275         (simplify_using_initial_values): Deal with altered regs here and track
10276         more precisely the effect they have on the validity of our expression.
10277
10278         * loop-iv.c (simplify_using_condition): A condition of the form
10279         (EQ REG CONST) can be used to simply make a substitution.
10280         (simplify_using_initial_values): Keep track of conditions we have seen
10281         and keep using them to simplify new expressions, while applying the
10282         same substitutions to them as to the expression.
10283
10284         * simplify-rtx.c (simplify_relational_operation_1): Simplify
10285         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
10286         GEU/LTU reversed.
10287
10288         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
10289         changed.  Use this when trying to improve the upper bound.
10290         Generate the comparison by using simplify_gen_relational.
10291
10292         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
10293
10294         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
10295         functions.
10296         (simplify_using_assignment, simplify_using_initial_values): Call
10297         replace_in_expr to make replacements.  Call replace_single_def_regs
10298         once on the initial version of the expression.
10299
10300 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10301
10302         PR target/27237
10303         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
10304
10305 2009-03-31  Richard Guenther  <rguenther@suse.de>
10306
10307         PR middle-end/31029
10308         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
10309         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
10310
10311 2009-03-31  Richard Guenther  <rguenther@suse.de>
10312
10313         * tree.h (div_if_zero_remainder): Declare.
10314         * fold-const.c (div_if_zero_remainder): Export.
10315         * tree-ssa-forwprop.c
10316         (forward_propagate_addr_into_variable_array_index): Handle
10317         constant array index addition outside of the variable index.
10318
10319 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
10320
10321         PR target/39592
10322         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
10323         define_splits, floatunssi<mode>2): Require x87 conversions from
10324         DImode to be permitted.
10325
10326 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
10327
10328         PR preprocessor/15638
10329         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
10330
10331 2009-03-31  Richard Guenther  <rguenther@suse.de>
10332
10333         PR middle-end/23401
10334         PR middle-end/27810
10335         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
10336         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
10337         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
10338         a separate statement.
10339         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
10340         (lookup_tmp_var): Likewise.
10341         (is_gimple_formal_tmp_or_call_rhs): Remove.
10342         (is_gimple_reg_or_call_rhs): Rename to ...
10343         (is_gimple_reg_rhs_or_call): ... this.
10344         (is_gimple_mem_or_call_rhs): Rename to ...
10345         (is_gimple_mem_rhs_or_call): ... this.
10346         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
10347         DECL_GIMPLE_REG_P only if is_formal is true.
10348         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
10349         for non-proper post-modify expression gimplification.
10350         (gimplify_self_mod_expr): For post-modify expressions gimplify
10351         the lvalue to a minimal lvalue.
10352         (rhs_predicate_for): Remove formal temp case.
10353         (gimplify_modify_expr_rhs): Likewise.
10354         (gimplify_addr_expr): Use is_gimple_reg.
10355         (gimplify_expr): Remove formal temp cases.
10356         (gimple_regimplify_operands): Likewise.
10357         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
10358         and FILTER_EXPR like constants.
10359         * gimple.c (walk_gimple_op): Fix val_only initialization, use
10360         is_gimple_reg.
10361         (is_gimple_formal_tmp_rhs): Remove.
10362         (is_gimple_reg_rhs): Remove special casing.
10363         (is_gimple_mem_rhs): Fix.
10364         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
10365         (is_gimple_formal_tmp_var): Remove.
10366         (is_gimple_formal_tmp_reg): Likewise.
10367         (is_gimple_min_lval): Allow invariant component ref parts.
10368         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
10369         is_gimple_formal_tmp_reg): Remove declarations.
10370         * tree-cfg.c (verify_expr): Verify that variables with address
10371         taken do not have DECL_GIMPLE_REG_P set.
10372         * tree-mudflap.c (mf_build_check_statement_for): Use
10373         force_gimple_operand instead of gimplify_expr.
10374
10375 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
10376
10377         * modulo-sched.c (sms_schedule_by_order): Pass the actual
10378         schedulable rows to compute_split_row.
10379
10380 2009-03-31  Ben Elliston  <bje@au.ibm.com>
10381
10382         PR target/31635
10383         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
10384         OPT_mvrsave.
10385
10386 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
10387
10388         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
10389         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
10390         * configure: Regenerate.
10391         * config.in: Regenerate.
10392         * config/rs6000/rs6000.opt (mtls-markers): Add.
10393         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
10394         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
10395         (tls_ld_aix, tls_ld_sysv): Likewise.
10396         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
10397         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
10398
10399 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
10400
10401         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
10402
10403 2009-03-30  Jan Hubicka  <jh@suse.cz>
10404
10405         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
10406         out of RESX.
10407         (tree_remove_unreachable_handlers): Cleanup EH predecestor
10408         detection and label handling.
10409
10410 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
10411
10412         * ira-int.h (ira_allocno): Rename left_conflicts_num to
10413         left_conflicts_size.
10414         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
10415         ALLOCNO_LEFT_CONFLICTS_SIZE.
10416
10417         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
10418         remove_allocno_from_bucket_and_push,
10419         allocno_spill_priority_compare, push_allocnos_to_stack,
10420         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
10421         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
10422         (setup_allocno_left_conflicts_num): Ditto.  Rename to
10423         setup_allocno_left_conflicts_size.
10424         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
10425         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
10426         setup_allocno_left_conflicts_size instead of
10427         setup_allocno_left_conflicts_num.
10428
10429         * ira-build.c (ira_create_allocno): Use
10430         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
10431         ALLOCNO_LEFT_CONFLICTS_NUM.
10432
10433 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
10434
10435         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
10436         instead of DF_LR_OUT.
10437
10438         * ira-lives.c (process_bb_node_lives): Ditto.
10439
10440         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
10441         instead of DF_LR_{OUT,IN}.
10442
10443         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
10444
10445         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
10446
10447 2009-03-30  Jan Hubicka  <jh@suse.cz>
10448
10449         * except.c (label_to_region_map): Fix thinko.
10450
10451 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
10452
10453         PR middle-end/38237
10454         * tree.h (tree_find_value): New declaration.
10455         * tree.c (tree_find_value): New function.
10456         * varasm.c (assemble_external): Avoid duplicate entries on lists.
10457
10458 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
10459
10460         PR debug/39563
10461         * c-decl.c (struct c_binding): Add locus field.
10462         (bind): Add locus argument, set locus field from it.
10463         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
10464         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
10465         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
10466         implicitly_declare, undeclared_variable, lookup_label,
10467         declare_label, c_make_fname_decl, c_builtin_function,
10468         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
10469         bind callers.
10470
10471 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
10472
10473         PR target/38781
10474         * config/i386/i386.c (classify_argument): Check total size of
10475         structure.
10476
10477 2009-03-30  Martin Jambor  <mjambor@suse.cz>
10478
10479         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
10480         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
10481         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
10482         respectively.
10483
10484         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
10485         seen_variable_array_ref while also traversing a union.
10486
10487         * tree-inline.c (optimize_inline_calls): Do not call
10488         cgraph_node_remove_callees.
10489         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
10490         (pass_remove_cgraph_callee_edges): New variable.
10491         * passes.c (init_optimization_passes): Add
10492         pass_remove_cgraph_callee_edges after early inlining and before all
10493         late intraprocedural passes.
10494
10495         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
10496
10497 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
10498
10499         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
10500         Fix typos in names.
10501
10502 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
10503
10504         * combine.c (simplify_comparison): Use have_insn_for.
10505         * dojump.c (do_jump): Likewise.
10506
10507 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
10508
10509         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
10510         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
10511         sparc_compare_op0 like sparc_compare_emitted used to be handled.
10512         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
10513         instead of sparc_compare_emitted.
10514         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
10515         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
10516         instead of sparc_compare_emitted.
10517
10518 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
10519
10520         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
10521         enter/exit cfglayout mode.
10522         (pass_partition_block): Require it.
10523         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
10524         (combine_instructions): Track basic blocks instead of labels.
10525         (update_cfg_for_uncondjump): New.
10526         (try_combine): Use it.  Update jumps after rescanning.
10527         (pass_combine): Require PROP_cfglayout.
10528         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
10529
10530 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
10531
10532         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
10533         Provide/destroy PROP_cfglayout respectively.
10534         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
10535         * tree-pass.h (PROP_cfglayout): New.
10536
10537 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
10538
10539         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
10540         fold_convert_const_fixed_from_fixed,
10541         fold_convert_const_fixed_from_int,
10542         fold_convert_const_fixed_from_real, fold_negate_const): Do not
10543         set TREE_CONSTANT_OVERFLOW.
10544         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
10545         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
10546
10547 2009-03-30  Ira Rosen  <irar@il.ibm.com>
10548
10549         * tree-vect-loop-manip.c: New file.
10550         * tree-vectorizer.c: Update documentation and included files.
10551         (vect_loop_location): Make extern.
10552         (rename_use_op): Move to tree-vect-loop-manip.c
10553         (rename_variables_in_bb, rename_variables_in_loop,
10554         slpeel_update_phis_for_duplicate_loop,
10555         slpeel_update_phi_nodes_for_guard1,
10556         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
10557         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
10558         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
10559         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
10560         find_loop_location): Likewise.
10561         (new_stmt_vec_info): Move to tree-vect-stmts.c.
10562         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
10563         get_vectype_for_scalar_type, vect_is_simple_use,
10564         supportable_widening_operation, supportable_narrowing_operation):
10565         Likewise.
10566         (bb_in_loop_p): Move to tree-vect-loop.c.
10567         (new_loop_vec_info, destroy_loop_vec_info,
10568         reduction_code_for_scalar_code, report_vect_op,
10569         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
10570         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
10571         (vect_supportable_dr_alignment): Likewise.
10572         * tree-vectorizer.h (tree-data-ref.h): Include.
10573         (vect_loop_location): Declare.
10574         Reorganize function declarations according to the new file structure.
10575         * tree-vect-loop.c: New file.
10576         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
10577         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
10578         * tree-vect-data-refs.c: New file.
10579         * tree-vect-patterns.c (timevar.h): Don't include.
10580         * tree-vect-stmts.c: New file.
10581         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
10582         tree-vect-slp.c, tree-vect-loop.c.
10583         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
10584         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
10585         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
10586         (tree-vect-analyze.o): Remove.
10587         (tree-vect-transform.o): Likewise.
10588         (tree-vect-data-refs.o): Add rule.
10589         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
10590         tree-vect-slp.o): Likewise.
10591         (tree-vect-patterns.o): Remove redundant dependencies.
10592         (tree-vectorizer.o): Likewise.
10593         * tree-vect-slp.c: New file.
10594
10595 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10596
10597         * optc-gen.awk: Warn if an option flag has multiple different
10598         help strings.
10599
10600 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
10601
10602         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
10603         -floop-block): Document dependences on PPL, CLooG and Graphite.
10604
10605 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
10606
10607         PR rtl-optimization/323
10608         * c-common.c (c_fully_fold, convert_and_check,
10609         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
10610         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
10611         * c-common.def (EXCESS_PRECISION_EXPR): New.
10612         * c-cppbuiltin.c (builtin_define_float_constants): Define
10613         constants with enough digits for long double.
10614         * c-lex.c (interpret_float): Interpret constant with excess
10615         precision where appropriate.
10616         * c-opts.c (c_common_post_options): Set
10617         flag_excess_precision_cmdline.  Give an error for
10618         -fexcess-precision=standard for C++ for processors where the
10619         option is significant.
10620         * c-parser.c (c_parser_conditional_expression): Handle excess
10621         precision in condition.
10622         * c-typeck.c (convert_arguments): Handle arguments with excess
10623         precision.
10624         (build_unary_op): Move excess precision outside operation.
10625         (build_conditional_expr): Likewise.
10626         (build_compound_expr): Likewise.
10627         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
10628         (build_modify_expr): Handle excess precision in RHS.
10629         (convert_for_assignment): Handle excess precision in converted
10630         value.
10631         (digest_init, output_init_element, process_init_element): Handle
10632         excess precision in initializer.
10633         (c_finish_return): Handle excess precision in return value.
10634         (build_binary_op): Handle excess precision in operands and add
10635         excess precision as needed for operation.
10636         * common.opt (-fexcess-precision=): New option.
10637         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
10638         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
10639         For standard excess precision, output explicit conversion to and
10640         truncation from XFmode.
10641         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
10642         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
10643         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
10644         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
10645         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
10646         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
10647         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
10648         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
10649         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
10650         define_splits, sqrt<mode>2): Disable where appropriate for
10651         standard excess precision.
10652         * convert.c (convert_to_real): Do not shorten arithmetic to type
10653         for which excess precision would be used.
10654         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
10655         * doc/invoke.texi (-fexcess-precision=): Document option.
10656         (-mfpmath=): Correct index entry.
10657         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
10658         flag_excess_precision): New.
10659         * langhooks.c (lhd_post_options): Set
10660         flag_excess_precision_cmdline.
10661         * opts.c (common_handle_option): Handle -fexcess-precision=.
10662         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
10663         init_excess_precision): New.
10664         (lang_dependent_init_target): Call init_excess_precision.
10665         * tree.c (excess_precision_type): New.
10666         * tree.h (excess_precision_type): Declare.
10667
10668 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
10669
10670         PR c/35235
10671         * c-typeck.c (build_component_ref): Do not copy qualifiers from
10672         non-lvalue to component.
10673
10674 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
10675
10676         PR preprocessor/34695
10677         * Makefile.in (c-opts.o): Depend on c-tree.h.
10678         * c-common.c: Move down include of diagnostic.h.
10679         (done_lexing, c_cpp_error): New.
10680         * c-common.h (done_lexing): Declare.
10681         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
10682         (parse_in).
10683         * c-opts.c: Include c-tree.h.
10684         (c_common_init_options): Set preprocessor error callback.
10685         (c_common_handle_option): Do not set preprocessor
10686         inhibit_warnings, warnings_are_errors, warn_system_headers,
10687         pedantic_errors or inhibit_warnings flags.
10688         (c_common_post_options): Do not check cpp_errors (parse_in).
10689         (c_common_finish): Do not output dependencies if there were
10690         errors.  Do not check return value of cpp_finish.
10691         * c-ppoutput.c (pp_file_change): Set input_location.
10692         * c-tree.h (c_cpp_error): Declare.
10693         * diagnostic.c (diagnostic_set_info_translated): Also initialize
10694         override_column.
10695         (diagnostic_build_prefix): Check override_column.
10696         * diagnostic.h (diagnostic_info): Add override_column field.
10697         (diagnostic_override_column): Define.
10698
10699 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
10700
10701         * c-common.c (c_expand_expr, c_staticp): Remove.
10702         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
10703         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
10704         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
10705         * c-gimplify.c (gimplify_compound_literal_expr,
10706         optimize_compound_literals_in_ctor): Remove.
10707         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
10708         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
10709         * c-semantics.c (emit_local_var): Remove.
10710
10711         * langhooks-def.h (lhd_expand_expr): Remove.
10712         * langhooks.c (lhd_expand_expr): Remove.
10713         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
10714
10715         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
10716         handling from c-semantics.c; don't call into langhook.
10717         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
10718         * gimplify.c (gimplify_compound_literal_expr,
10719         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
10720         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
10721         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
10722         as was done in c-gimplify.c.
10723         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
10724         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
10725         Move from c-common.h.
10726         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
10727
10728         * tree.c (staticp): Do not call langhook.
10729         * langhooks.c (lhd_staticp): Delete.
10730         * langhooks-def.h (lhd_staticp): Delete prototype.
10731         (LANG_HOOKS_STATICP): Delete.
10732         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
10733
10734         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
10735         instead of DECL_STMTs.
10736
10737 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
10738
10739         PR c/456
10740         PR c/5675
10741         PR c/19976
10742         PR c/29116
10743         PR c/31871
10744         PR c/35198
10745         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
10746         void_type_node.
10747         (fold_call_expr): Return a NOP_EXPR from folding rather than the
10748         contained expression.
10749         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
10750         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
10751         conditional expressions for C.
10752         (decl_constant_value_for_optimization): Move from
10753         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
10754         whether optimizing and that the expression is a VAR_DECL not of
10755         array type instead of doing such checks in the caller.  Do not
10756         check pedantic.  Call gcc_unreachable for C++.
10757         * c-common.def (C_MAYBE_CONST_EXPR): New.
10758         * c-common.h (c_fully_fold, c_save_expr,
10759         decl_constant_value_for_optimization): New prototypes.
10760         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
10761         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
10762         EXPR_INT_CONST_OPERANDS): Define.
10763         * c-convert.c (convert): Strip nops from expression.
10764         * c-decl.c (groktypename): Take extra parameters expr and
10765         expr_const_operands.  Update call to grokdeclarator.
10766         (start_decl): Update call to grokdeclarator.  Add statement for
10767         expressions used in type of decl.
10768         (grokparm): Update call to grokdeclarator.
10769         (push_parm_decl): Update call to grokdeclarator.
10770         (build_compound_literal): Add parameter non_const and build a
10771         C_MAYBE_COSNT_EXPR if applicable.
10772         (grokdeclarator): Take extra parameters expr and
10773         expr_const_operands.  Track expressions used in declaration
10774         specifiers and declarators.  Fold array sizes and track whether
10775         they are constant expressions and whether they are integer
10776         constant expressions.
10777         (parser_xref_tag): Set expr and expr_const_operands fields in
10778         return value.
10779         (grokfield): Update call to grokdeclarator.
10780         (start_function): Update call to grokdeclarator.
10781         (build_null_declspecs): Set expr and expr_const_operands fields in
10782         return value.
10783         (declspecs_add_type): Handle expressions in typeof specifiers.
10784         * c-parser.c (c_parser_declspecs): Set expr and
10785         expr_const_operands fields for declaration specifiers.
10786         (c_parser_enum_specifier): Likewise.
10787         (c_parser_struct_or_union_specifier): Likewise.
10788         (c_parser_typeof_specifier): Likewise.  Update call to
10789         groktypename.  Fold expression as needed.  Return expressions with
10790         type instead of adding statements.
10791         (c_parser_attributes): Update calls to c_parser_expr_list.
10792         (c_parser_statement_after_labels): Fold expression before passing
10793         to objc_build_throw_stmt.
10794         (c_parser_condition): Fold expression.
10795         (c_parser_asm_operands): Fold expression.
10796         (c_parser_conditional_expression): Use c_save_expr.  Update call
10797         to build_conditional_expr.
10798         (c_parser_alignof_expression): Update call to groktypename.
10799         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
10800         original_code.  Fold expression argument of va_arg.  Create
10801         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
10802         argument to va_arg.  Update calls to groktypename.  Fold array
10803         index for offsetof.  Verify that first argument to
10804         __builtin_choose_expr has integer type.
10805         (c_parser_postfix_expression_after_paren_type): Update calls to
10806         groktypename and build_compound_literal.  Handle expressions with
10807         side effects in type name.
10808         (c_parser_postfix_expression_after_primary): Update call to
10809         c_parser_expr_list.  Set original_code for calls to
10810         __builtin_constant_p.
10811         (c_parser_expr_list): Take extra parameter fold_p.  Fold
10812         expressions if requested.
10813         (c_parser_objc_type_name): Update call to groktypename.
10814         (c_parser_objc_synchronized_statement): Fold expression.
10815         (c_parser_objc_receiver): Fold expression.
10816         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
10817         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
10818         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
10819         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
10820         (struct c_typespec): Add elements expr and expr_const_operands.
10821         (struct c_declspecs): Add elements expr and expr_const_operands.
10822         (groktypename, build_conditional_expr, build_compound_literal):
10823         Update prototypes.
10824         (in_late_binary_op): Declare.
10825         * c-typeck.c (note_integer_operands): New function.
10826         (in_late_binary_op): New variable.
10827         (decl_constant_value_for_broken_optimization): Move to c-common.c
10828         and rename to decl_constant_value_for_optimization.
10829         (default_function_array_conversion): Do not strip nops.
10830         (default_conversion): Do not call
10831         decl_constant_value_for_broken_optimization.
10832         (build_array_ref): Do not fold result.
10833         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
10834         result when operand is a VLA.
10835         (c_expr_sizeof_type): Update call to groktypename.  Handle
10836         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
10837         result when operand names a VLA type.
10838         (build_function_call): Update call to build_compound_literal.
10839         Only fold result for calls to __builtin_* functions.  Strip
10840         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
10841         the function designator.
10842         (convert_arguments): Fold arguments.  Update call to
10843         convert_for_assignment.
10844         (build_unary_op): Handle increment and decrement of
10845         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
10846         decrement earlier.  Fold operand of increment and decrement.
10847         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
10848         built for integer operand.  Wrap returns that are INTEGER_CSTs
10849         without being integer constant expressions or that have integer
10850         constant operands without being INTEGER_CSTs.
10851         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
10852         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
10853         result is an integer constant expression or can be used in
10854         unevaluated parts of one and avoid folding and wrap as
10855         appropriate.  Fold operands before possibly doing -Wsign-compare
10856         warnings.
10857         (build_compound_expr): Wrap result for C99 if operands can be used
10858         in integer constant expressions.
10859         (build_c_cast): Update call to digest_init.  Do not ignore
10860         overflow from casting floating-point constants to integers.  Wrap
10861         results that could be confused with integer constant expressions,
10862         null pointer constants or floating-point constants.
10863         (c_cast_expr): Update call to groktypename.  Handle expressions
10864         included in type name.
10865         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
10866         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
10867         Update calls to convert_for_assignment.
10868         (convert_for_assignment): Take new parameter
10869         null_pointer_constant.  Do not strip nops or call
10870         decl_constant_value_for_broken_optimization.  Set
10871         in_late_binary_op for conversions to boolean.
10872         (store_init_value): Update call to digest_init.
10873         (digest_init): Take new parameter null_pointer_constant.  Do not
10874         call decl_constant_value_for_broken_optimization.  pedwarn for
10875         initializers not constant expressions.  Update calls to
10876         convert_for_assignment.
10877         (constructor_nonconst): New.
10878         (struct constructor_stack): Add nonconst element.
10879         (really_start_incremental_init, push_init_level, pop_init_level):
10880         Handle constructor_nonconst and nonconst element.
10881         (set_init_index): Call constant_expression_warning for array
10882         designators.
10883         (output_init_element): Fold value.  Set constructor_nonconst as
10884         applicable.  pedwarn for initializers not constant expressions.
10885         Update call to digest_init.  Call constant_expression_warning
10886         where constant initializers are required.
10887         (process_init_element): Use c_save_expr.
10888         (c_finish_goto_ptr): Fold expression.
10889         (c_finish_return): Fold return value.  Update call to
10890         convert_for_assignment.
10891         (c_start_case): Fold switch expression.
10892         (c_process_expr_stmt): Fold expression.
10893         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
10894         ensure statement expression is not evaluated in constant expression.
10895         (build_binary_op): Track whether results are integer constant
10896         expressions or may occur in such, disable folding and wrap results
10897         as applicable.  Fold operands for -Wsign-compare warnings unless
10898         in_late_binary_op.
10899         (c_objc_common_truthvalue_conversion): Handle results folded to
10900         integer constants that are not integer constant expressions.
10901         * doc/extend.texi: Document when typeof operands are evaluated,
10902         that condition of __builtin_choose_expr is an integer constant
10903         expression, and more about use of __builtin_constant_p in
10904         initializers.
10905
10906 2009-03-29  Richard Guenther  <rguenther@suse.de>
10907
10908         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
10909         propagate addresses of array references.
10910
10911 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
10912
10913         * regmove.c (perhaps_ends_bb_p): Remove.
10914         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
10915         from INSN and check that the main loop stays within that basic block.
10916         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
10917         (regmove_forward_pass): Split out from regmove_optimize.  Use
10918         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
10919         (regmove_backward_pass): Split out from regmove_optimize.  Use
10920         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
10921         (regmove_optimize): Simplify.
10922
10923 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
10924
10925         PR target/39545
10926         * config/i386/i386.c (classify_argument): Ignore flexible array
10927         member in struct and warn ABI change.
10928
10929 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
10930
10931         * config/i386/i386-protos.h (ix86_agi_dependent): New.
10932
10933         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
10934         (ix86_adjust_cost): Updated.
10935
10936 2009-03-29  Jan Hubicka  <jh@suse.cz>
10937
10938         PR middle-end/28850
10939         * tree-pass.h (pass_cleanup_eh): New function.
10940         (remove_unreachable_regions): Break code handling RTL
10941         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
10942         that can not be reached by runtime.
10943         (can_be_reached_by_runtime): New function.
10944         (label_to_region_map): New function.
10945         (num_eh_regions): New function.
10946         (rtl_remove_unreachable_regions): New function.
10947         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
10948         (remove_eh_region): New function.
10949         * except.h: Include sbitmap and vecprim.
10950         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
10951         num_eh_regions): Declare.
10952         * passes.c (init_optimization_passes): Schedule cleanup_eh.
10953         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
10954         * tree-eh.c (tree_remove_unreachable_handlers): New function.
10955         (tree_empty_eh_handler_p): New function.
10956         (cleanup_empty_eh): New function.
10957         (cleanup_eh): New function.
10958         (pass_cleanup_eh): New function.
10959
10960 2009-03-29  Jan Hubicka  <jh@suse.cz>
10961
10962         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
10963         for removed regions.
10964
10965 2009-03-29  Jan Hubicka  <jh@suse.cz>
10966
10967         * except.c (dump_eh_tree): Dump all datastructures.
10968
10969 2009-03-29  Jan Hubicka  <jh@suse.cz>
10970
10971         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
10972         (duplicate_eh_regions_1): Likewise.
10973         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
10974         vector; call EH verification.
10975         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
10976         Be ready for region being removed.
10977
10978 2009-03-29  Jan Hubicka  <jh@suse.cz>
10979
10980         * bitmap.c (bitmap_last_set_bit): New function.
10981         * bitmap.h (bitmap_last_set_bit): Declare.
10982
10983 2009-03-29  David Ayers  <ayers@fsfe.org>
10984
10985         PR objc/27377
10986         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
10987         by calling objc_compare_types and surpress warnings about
10988         incompatible C pointers that are compatible ObjC pointers.
10989
10990 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
10991
10992         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
10993         call initialize_inline_failed.
10994         (initialize_inline_failed): Move it from here ...
10995         * cgraph.c (initialize_inline_failed): ... to here.
10996         (cgraph_create_edge): Call initialize_inline_failed rather than
10997         setting inline_failed directly.
10998
10999 2009-03-29  Ben Elliston  <bje@au.ibm.com>
11000
11001         PR target/32542
11002         * sysv4.opt (msdata): Improve comment.
11003         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
11004         * sysv4.h (SVR4_ASM_SPEC): Likewise.
11005
11006 2009-03-29  Ben Elliston  <bje@au.ibm.com>
11007
11008         PR target/30451
11009         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
11010         load and store attributes.
11011
11012 2009-03-29  Ben Elliston  <bje@au.ibm.com>
11013
11014         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
11015         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
11016         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
11017         * doc/extend.texi (X86 Built-in Functions): Add index entries for
11018         __builtin_infq and __builtin_huge_valq.
11019
11020 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
11021
11022         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
11023         atmega8m1 devices.
11024         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11025         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
11026
11027 2009-03-28  Xinliang David Li  <davidxl@google.com>
11028
11029         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
11030         (do_dbg_cnt): New function.
11031
11032 2009-03-28  Jan Hubicka  <jh@suse.cz>
11033
11034         Merge from pretty-ipa:
11035
11036         2009-03-27  Jan Hubicka  <jh@suse.cz>
11037
11038         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
11039         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
11040         * passes.c (function_called_by_processed_nodes_p): New.
11041         * ipa-pure-const.c (check_call): Fix handling of operands.
11042         (analyze_function): Dump debug output for skipped bodies.
11043         (local_pure_const): Use function_called_by_processed_nodes_p.
11044         * dwarf2out.c (reference_to_unused): Use output.
11045         * passes.c (do_per_function_toporder): Likewise.
11046
11047         2008-11-12  Jan Hubicka  <jh@suse.cz>
11048
11049         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
11050         * ipa-pure-const.c (funct_state_d): Add can throw field; make
11051         state_set_in_source enum
11052         (check_decl): Ignore memory tags; do not set fake looping flags;
11053         dump diagnostics.
11054         (check_operand, check_tree, check_rhs_var, check_lhs_var,
11055         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
11056         (check_call, analyze_function): Rewrite.
11057         (check_stmt): New.
11058         (add_new_function): Update call of analyze_function.
11059         (generate_summary): Add call of analyze_function.
11060         (propagate): Propagate can_throw; handle state_set_in_source correctly.
11061         (local_pure_const): New function.
11062         (pass_local_pure_const): New pass.
11063         * ipa-inline.c (inline_transform): Set after_inlining.
11064         * tree-eh.c (stmt_can_throw_external): New.
11065         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
11066         work with aliasing built.
11067         * tree-flow.h (stmt_can_throw_external): New.
11068         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
11069         and local pure/const pass in early and late optimization queue.
11070
11071 2009-03-28  Martin Jambor  <mjambor@suse.cz>
11072
11073         * fold-const.c (get_pointer_modulus_and_residue): New parameter
11074         allow_func_align.
11075         (fold_binary): Allow function decl aligment consideration is the
11076         second argument is integer constant one.
11077         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
11078         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
11079         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
11080
11081 2009-03-28  Jan Hubicka  <jh@suse.cz>
11082
11083         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
11084         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
11085         * function.h (rtl_data): Add nothrow flag.
11086         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
11087         set DECL_NOTHROW for AVAILABLE functions.
11088
11089 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
11090
11091         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
11092         following vector keyword has expansion starting with pixel or bool
11093         keyword, expand vector to __vector and pixel or bool to __pixel or
11094         __bool.
11095
11096         PR c++/39554
11097         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
11098         warn_if_disallowed_function_p): Removed.
11099         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
11100         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
11101         warning_if_disallowed_function_p.
11102         * flags.h (warn_if_disallowed_function_p,
11103         warn_disallowed_functions): Removed.
11104         * common.opt (Wdisallowed-function-list=): Removed.
11105         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
11106
11107 2009-03-28  Richard Guenther  <rguenther@suse.de>
11108
11109         PR tree-optimization/38723
11110         * tree-ssa-pre.c (compute_avail): Add all default definitions to
11111         the entry block.
11112
11113 2009-03-28  Jan Hubicka  <jh@suse.cz>
11114
11115         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
11116         test introduced by my previous patch.
11117
11118 2009-03-28  Richard Guenther  <rguenther@suse.de>
11119
11120         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
11121         the PHIs value undefined.
11122
11123 2009-03-28  Jan Hubicka  <jh@suse.cz>
11124
11125         * tree-pass.h (pass_fixup_cfg): New pass.
11126         * ipa-inline.c (inline_transform): Set
11127         always_inline_functions_inlined/after_inlining.
11128         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
11129         (pass_fixup_cfg): New pass.
11130         * passes.c (init_optimization_passes): Add fixup_cfg.
11131
11132 2009-03-28  Richard Guenther  <rguenther@suse.de>
11133
11134         PR tree-optimization/38458
11135         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
11136         argument use the arguments copy-of value.
11137
11138 2009-03-28  Richard Guenther  <rguenther@suse.de>
11139
11140         PR tree-optimization/38180
11141         * tree-ssa-ccp.c (get_default_value): Simplify.
11142         (likely_value): Likewise.
11143         (surely_varying_stmt_p): Properly handle VOP case.
11144         (ccp_initialize): Likewise.
11145         (ccp_fold): Handle propagating through *&.
11146         (fold_const_aggregate_ref): Also handle decls.
11147
11148 2009-03-28  Jan Hubicka  <jh@suse.cz>
11149
11150         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
11151         * cgraph.h (cgraph_node): Likewise.
11152         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
11153         (cgraph_reset_node): Use process flag.
11154         (cgraph_mark_functions_to_output): Likewise.
11155         (cgraph_expand_function): Likewise.
11156         (cgraph_expand_all_functions): Likewise.
11157         (cgraph_output_in_order): Likewise.
11158         * dwarf2out.c (reference_to_unused): Likewise.
11159         * passes.c do_per_function_toporder): Likewise.
11160
11161 2009-03-28  Jan Hubicka  <jh@suse.cz>
11162
11163         Bring from lto-branch:
11164
11165         2008-09-03  Doug Kwan  <dougkwan@google.com>
11166
11167         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
11168         enums instead of reason strings.
11169         * cgraph.c (cgraph_create_edge): Same.
11170         (cgraph_inline_failed_string): New function.
11171         * cgraph.h (cgraph_inline_failed_t): New enum type.
11172         (cgraph_inline_failed_string): New prototype.
11173         (struct cgraph_edge): Change type of INLINED_FAILED from constant
11174         char pointer to cgraph_inline_failed_t.
11175         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
11176         (cgraph_default_inline_p): Ditto.
11177         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
11178         to cgraph_inline_failed_t pointer.
11179         * cif-code.def: New file.
11180         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
11181         reason string.
11182         (cgraph_check_inline_limits): Change type of REASON to pointer to
11183         cgraph_inline_failed_t.  Replace reason strings with enums.
11184         (cgraph_default_inline_p): Ditto.
11185         (cgraph_recursive_inlining_p): Ditto.
11186         (update_caller_keys): Change type of FAILED_REASON to
11187         cgraph_inline_failed_t.
11188         (cgraph_set_inline_failed): Change type of REASON to pointer to
11189         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
11190         convert enums to strings for text output.
11191         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
11192         to be of type cgraph_inline_failed_t.  Replace reason strings with
11193         enums.  Call cgraph_inline_failed_string to covert enums
11194         to strings for text output.
11195         (cgraph_decide_inlining): Replace reason strings with enums.
11196         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
11197         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
11198         for text output.
11199         * tree-inline.c (expand_call_inline): Change type of REASON
11200         to cgraph_inline_failed_t.  Replace reason strings with enums.
11201         Call cgraph_inline_failed_string for text output.
11202         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
11203         (cgraph.o): Ditto.
11204
11205 2009-03-28  Jan Hubicka  <jh@suse.cz>
11206
11207         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
11208         cgraph_clone_node): Remove master clone handling.
11209         (cgraph_is_master_clone, cgraph_master_clone): Remove.
11210         * cgraph.h (master_clone): Remove.
11211         (cgraph_is_master_clone, cgraph_master_clone): Remove.
11212         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
11213         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
11214
11215 2009-03-28  Jan Hubicka  <jh@suse.cz>
11216
11217         * cgraph.c (cgraph_function_body_availability): Functions declared
11218         inline are always safe to assume that it is not going to be replaced.
11219
11220 2009-03-28  Richard Guenther  <rguenther@suse.de>
11221
11222         PR tree-optimization/38513
11223         * tree-ssa-pre.c (eliminate): Remove redundant stores.
11224         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
11225         EXC_PTR_EXPR and FILTER_EXPR.
11226         (get_ref_from_reference_ops): Likewise.
11227
11228 2009-03-28  Richard Guenther  <rguenther@suse.de>
11229
11230         PR tree-optimization/38968
11231         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
11232         Use FLOOR_MOD_EXPR to compute misalignment.
11233
11234 2009-03-28  Richard Guenther  <rguenther@suse.de>
11235
11236         PR tree-optimization/37795
11237         * tree.h (combine_comparisons): Declare.
11238         * fold-const.c (combine_comparisons): Export.
11239         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
11240         comparisons.
11241         (ifcombine_iforif): Use combine_comparisons.
11242
11243 2009-03-28  Jan Hubicka  <jh@suse.cz>
11244
11245         * tree-eh.c (inlinable_call_p): New function.
11246         (make_eh_edges): Use it.
11247         (verify_eh_edges): Use it.
11248         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
11249         * except.c (reachable_next_level): Add inlinable_function argument
11250         (sjlj_find_directly_reachable_regions): Update.
11251         (add_reachable_handler): Do not set saw_any_handlers.
11252         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
11253         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
11254         Add new inlinable call parameter.
11255         (can_throw_internal, can_throw_external): Update.
11256         * except.h (can_throw_internal_1, can_throw_external_1,
11257         foreach_reachable_handler): Update declaration.
11258
11259 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
11260
11261         * config/arm/t-arm-coff, config/h8300/coff.h,
11262         config/i386/i386-aout.h, config/i386/i386-coff.h,
11263         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
11264         config/pdp11/2bsd.h, config/rs6000/aix41.h,
11265         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
11266         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
11267         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
11268         sys-types.h: Remove.
11269         * Makefile.in: Remove protoize and fixproto support and references
11270         in comments.
11271         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
11272         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
11273         Remove.
11274         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
11275         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
11276         unprotoize$(exeext).
11277         (rest.encap): Don't depend on $(STMP_FIXPROTO)
11278         (.PHONY): Don't depend on proto.
11279         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
11280         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
11281         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
11282         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
11283         build/gen-protos.o, build/scan.o, xsys-protos.h,
11284         build/fix-header$(build_exeext), build/fix-header.o,
11285         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
11286         stmp-install-fixproto): Remove.
11287         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
11288         SYSCALLS.c or fixproto files.
11289         (install-common): Don't install protoize.
11290         (install-headers-tar, install-headers-cpio, install-headers-cp):
11291         Don't depend on $(STMP_FIXPROTO).
11292         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
11293         install fixproto files or write out fixproto settings.
11294         (uninstall): Don't uninstall protoize.
11295         * config.gcc (use_fixproto): Remove.
11296         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
11297         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
11298         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
11299         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
11300         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
11301         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
11302         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
11303         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
11304         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
11305         * config/t-vxworks (STMP_FIXPROTO): Remove.
11306         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
11307         STMP_FIXPROTO): Remove.
11308         * config.in, configure: Regenerate.
11309         * crtstuff.c (gid_t, uid_t): Don't undefine.
11310         * doc/install.texi: Change m68k-coff to m68k-elf in example.
11311         (arm-*-coff, arm-*-aout: Remove target entries.
11312         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
11313         Remove mention of AIX 4.1.
11314         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
11315         * doc/invoke.texi (Running Protoize): Remove.
11316         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
11317         (Protoize Caveats): Remove.
11318         * tsystem.h: Update comments on headers assumed to exist.
11319
11320 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
11321
11322         * genautomata.c: Add a new year to the copyright.  Add a new
11323         reference.
11324         (struct insn_reserv_decl): Add comments for member bypass_list.
11325         (find_bypass): Remove.
11326         (insert_bypass): New.
11327         (process_decls): Use insert_bypass.
11328         (output_internal_insn_latency_func): Output all bypasses with the
11329         same input insn in one switch case.
11330
11331         * rtl.def (define_bypass): Describe bypass choice.
11332         * doc/md.texi (define_bypass): Ditto.
11333
11334 2009-03-27  Richard Guenther  <rguenther@suse.de>
11335
11336         * gimplify.c (mark_addressable): Export.
11337         * tree-flow.h (mark_addressable): Declare.
11338         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
11339         * tree-ssa.c (verify_phi_args): Verify that address taken
11340         variables have TREE_ADDRESSABLE set.
11341
11342 2009-03-27  Richard Guenther  <rguenther@suse.de>
11343
11344         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
11345         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
11346         Do not mark decls TREE_ADDRESSABLE.
11347         (build_fold_addr_expr): Adjust.
11348         (fold_addr_expr): Remove.
11349         (fold_unary): Use build_fold_addr_expr.
11350         (fold_comparison): Likewise.
11351         (split_address_to_core_and_offset): Likewise.
11352         * coverage.c (tree_coverage_counter_addr): Mark the array decl
11353         TREE_ADDRESSABLE.
11354         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
11355         (gimplify_modify_expr_to_memcpy): Mark source and destination
11356         addressable.
11357         * omp-low.c (create_omp_child_function): Mark the object decl
11358         TREE_ADDRESSABLE.
11359         (lower_rec_input_clauses): Mark the var we take the address of
11360         TREE_ADDRESSABLE.
11361         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
11362
11363 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
11364
11365         PR middle-end/39315
11366         * cfgexpand.c (expand_one_stack_var_at): Change alignment
11367         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
11368
11369 2009-03-27  Richard Guenther  <rguenther@suse.de>
11370
11371         PR tree-optimization/39120
11372         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
11373         constraints.
11374         (handle_lhs_call): Process return constraints.  Add escape
11375         constraints if necessary.
11376         (handle_const_call): Fill out return constraints.  Make nested
11377         case more precise.  Avoid consttmp if possible.
11378         (handle_pure_call): Fill out return constraints.  Avoid
11379         callused if possible.
11380         (find_func_aliases): Simplify call handling.
11381
11382 2009-03-27  Richard Guenther  <rguenther@suse.de>
11383
11384         PR tree-optimization/39120
11385         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
11386         as a representative.
11387         (solve_graph): Do propagate CALLUSED.
11388         (handle_pure_call): Use a scalar constraint from CALLUSED for
11389         the return value.
11390         (find_what_p_points_to): CALLUSED shall not appear in poins-to
11391         solutions.
11392
11393 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
11394
11395         PR c/39323
11396         * c-common.c (handle_aligned_attribute): Properly check alignment
11397         overflow.  Use (1U << i) instead of (1 << i).
11398
11399         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
11400
11401         * expr.h (get_mem_align_offset): Updated.
11402
11403         * tree.h (tree_decl_common): Change align to "unsigned int" and
11404         move it before pointer_alias_set.
11405
11406 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
11407             Jakub Jelinek  <jakub@redhat.com>
11408
11409         PR target/38034
11410         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
11411         gr_register_operand with gr_reg_or_0_operand.
11412         (cmpxchg_rel_di): Likewise.
11413         (sync_lock_test_and_set<mode>): Likewise.
11414
11415 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
11416
11417         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
11418         (true_regnum): Likewise.
11419
11420         * rtlanal.c (subreg_info): Moved to ...
11421         * rtl.h (subreg_info): Here.  New.
11422         (subreg_get_info): New.
11423
11424         * rtlanal.c (subreg_get_info): Make it extern.
11425
11426 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
11427
11428         PR target/39472
11429         * config/i386/i386.c (ix86_abi): New.
11430         (override_options): Handle -mabi=.
11431         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
11432         (ix86_call_abi_override): Likewise.
11433         (init_cumulative_args): Likewise.
11434         (function_arg_advance): Likewise.
11435         (function_arg_64): Likewise.
11436         (function_arg): Likewise.
11437         (ix86_pass_by_reference): Likewise.
11438         (ix86_function_value_regno_p): Likewise.
11439         (ix86_build_builtin_va_list_abi): Likewise.
11440         (setup_incoming_varargs_64): Likewise.
11441         (is_va_list_char_pointer): Likewise.
11442         (ix86_init_machine_status): Likewise.
11443         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
11444         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
11445         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
11446         (ix86_function_abi): Make it static and return enum calling_abi.
11447         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
11448         with ix86_abi.
11449         (ix86_fn_abi_va_list): Updated.
11450
11451         * config/i386/i386.h (ix86_abi): New.
11452         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
11453         (CONDITIONAL_REGISTER_USAGE): Likewise.
11454         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
11455         (machine_function): Likewise.
11456
11457         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
11458         with ix86_abi.
11459         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
11460         (STACK_BOUNDARY): Likewise.
11461         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
11462
11463         * config/i386/i386.opt (mabi=): New.
11464
11465         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
11466         return enum calling_abi.
11467         (ix86_function_type_abi): Likewise.
11468         (ix86_function_abi): Removed.
11469
11470         * doc/invoke.texi: Document -mabi= option for x86.
11471
11472 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11473
11474         * builtins.c (real_dconstp): Delete.
11475         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
11476
11477 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
11478             Jakub Jelinek  <jakub@redhat.com>
11479
11480         PR debug/37959
11481         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
11482         (gen_subprogram_die): When a function is explicit, generate the
11483         DW_AT_explicit attribute.
11484         * langhooks.h (struct lang_hooks_for_decls): Add
11485         function_decl_explicit_p langhook.
11486         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
11487         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
11488
11489 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
11490
11491         * builtins.c (fold_builtin_memory_op): Optimize memmove
11492         into memcpy if we can prove source and destination don't overlap.
11493
11494         * tree-inline.c: Include gt-tree-inline.h.
11495         (clone_fn_id_num): New variable.
11496         (clone_function_name): New function.
11497         (tree_function_versioning): Use it.
11498         * Makefile.in (GTFILES): Add tree-inline.c.
11499
11500 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
11501
11502         * BASE-VER: Change to 4.5.0.
11503
11504 2009-03-27  Xinliang David Li  <davidxl@google.com>
11505
11506         PR tree-optimization/39557
11507         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
11508
11509 2009-03-27  Xinliang David Li  <davidxl@google.com>
11510
11511         PR tree-optimization/39548
11512         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
11513         candidate check.
11514
11515 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
11516
11517         * c-common.c (pointer_int_sum): Use %wd on return from
11518         tree_low_cst.
11519
11520 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
11521
11522         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
11523         on return from tree_low_cst.
11524
11525 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11526
11527         PR c++/36799
11528         * ginclude/stdarg.h (va_copy): Define also for
11529         __GXX_EXPERIMENTAL_CXX0X__.
11530
11531 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11532
11533         PR c++/35652
11534         * builtins.h (c_strlen): Do not warn here.
11535         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
11536         * c-common.c (pointer_int_sum): Take an explicit location.
11537         Warn about offsets out of bounds.
11538         * c-common.h (pointer_int_sum): Adjust declaration.
11539
11540 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11541
11542         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
11543         markup glitch.
11544
11545 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
11546
11547         PR c++/39554
11548         * opts.c (warn_if_disallowed_function_p): Don't assume
11549         get_callee_fndecl must return non-NULL.
11550
11551 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
11552
11553         PR rtl-optimization/39522
11554         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
11555         when reg_reloaded_valid is set.
11556
11557 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11558
11559         * config/spu/divv2df3.c: New file.
11560         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
11561         (DPBIT_FUNCS): Filter out _div_df.
11562
11563 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
11564
11565         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
11566         a jump insn, count that jump in the distance to the loop start.
11567
11568 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
11569
11570         PR target/39523
11571         * config/sh/sh.c (calc_live_regs): Fix condition for global
11572         registers except PIC_OFFSET_TABLE_REGNUM.
11573
11574 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
11575
11576         PR/39518
11577         * doc/invoke.texi (-mconsole): New.
11578         (-mcygwin): New.
11579         (-mno-cygwin): New.
11580         (-mdll): New.
11581         (-mnop-fun-dllimport): New.
11582         (-mthread): New.
11583         (-mwin32): New.
11584         (-mwindows): New.
11585         (sub section "i386 and x86-64 Windows Options"): New.
11586
11587 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
11588
11589         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
11590         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
11591
11592 2009-03-25  Richard Guenther  <rguenther@suse.de>
11593
11594         PR middle-end/39497
11595         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
11596         of -Wno-error.
11597
11598 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
11599
11600         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
11601         neither of haifa/selective schedulers are working.
11602
11603 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11604
11605         * doc/invoke.texi (Debugging Options): Fix description of
11606         -fno-merge-debug-strings.
11607
11608 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
11609
11610         * config/cris/libgcc.ver: New version-script.
11611         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
11612
11613         * configure.ac <GAS features, nop mnemonic>: Add pattern
11614         crisv32-*-* for "nop".
11615         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
11616         * configure: Regenerate.
11617
11618 2009-03-24  Ira Rosen  <irar@il.ibm.com>
11619
11620         PR tree-optimization/39529
11621         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
11622         mark_sym_for_renaming for the tag copied to the new vector
11623         pointer.
11624
11625 2009-03-24  Arthur Loiret  <aloiret@debian.org>
11626
11627         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
11628         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
11629         EXTRA_SPEC_FUNCTIONS.
11630         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
11631         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
11632         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
11633         -march and -mtune options.
11634
11635 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
11636
11637         * config/m68k/t-rtems: Add m5329 multilib.
11638
11639 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
11640             Jakub Jelinek  <jakub@redhat.com>
11641
11642         PR debug/39524
11643         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
11644         nodes.
11645
11646 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
11647
11648         PR c/39495
11649         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
11650         instead of c_parser_expression_conv, if original_code isn't one of the
11651         4 allowed comparison codes, fail.
11652
11653 2009-03-23  Richard Guenther  <rguenther@suse.de>
11654
11655         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
11656         * tree.h (struct tree_type): Likewise.
11657         * reload.h (struct insn_chain): Likewise.
11658         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
11659         * function.h (struct function): Likewise.
11660         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
11661
11662 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
11663
11664         PR tree-optimization/39516
11665         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
11666
11667 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
11668
11669         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
11670         should be set true if BITS_PER_WORD of target is bigger than 32
11671
11672 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
11673
11674         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
11675         Translate -B-options to -rpath-link.  Correct existing
11676         rpath-link and conditionalize on !nostdlib.
11677
11678 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11679
11680         * doc/extend.texi (Function Attributes, Variable Attributes):
11681         Fix typos.
11682         * doc/invoke.texi (Debugging Options, Optimize Options)
11683         (i386 and x86-64 Options, MCore Options): Likewise.
11684
11685 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
11686
11687         PR debug/37890
11688         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
11689         it for block local namespace aliases.
11690         (gen_decl_die): Pass context_die to gen_namespace_die.
11691
11692 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
11693
11694         PR c/39495
11695         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
11696         minimum or maximum value.
11697
11698 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
11699
11700         * reginfo.c (globalize_reg): Recompute derived reg sets.
11701
11702 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
11703
11704         PR target/39063
11705         * libgcc2.c (mprotect): Do not use signed arguments for
11706         VirtualProtect, use DWORD arguments.  Also fix the 'may
11707         be used uninitialized' warning for the np variable.
11708
11709 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
11710
11711         PR target/39496
11712         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
11713         functions using regparm calling conventions when not optimizing.
11714         (ix86_function_sseregparm): Similarly for sseregparm calling
11715         conventions.
11716
11717 2009-03-19  Li Feng  <nemokingdom@gmail.com>
11718
11719         PR middle-end/39500
11720         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
11721         dependence if the first conflict is after niter iterations.
11722
11723 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
11724
11725         PR middle-end/38609
11726         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
11727         functions with dynamic stack-pointer adjustments.
11728
11729 2009-03-19  Ben Elliston  <bje@au.ibm.com>
11730
11731         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
11732         option; change to -msdata=data.
11733
11734 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11735
11736         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
11737         and -fopenmp.
11738
11739 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
11740
11741         PR target/35180
11742         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
11743
11744 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
11745
11746         * doc/invoke.texi (Code Gen Options): Expand discussion of
11747         -fno-common.
11748
11749 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
11750
11751         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
11752         * matrix-reorg.c (struct matrix_info): Likewise.
11753         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
11754         * rtl.h (struct mem_attrs): Likewise.
11755         * df.h (struct df): Likewise.
11756         * tree-data-ref.h (struct data_dependence_relation): Likewise.
11757         * ira-int.h (struct ira_allocno): Likewise.
11758         * df-scan.c (struct df_collection_rec): Likewise.
11759         * ira.c (struct equivalence): Likewise.
11760         * function.c (struct temp_slot): Likewise.
11761         * cfgloop.h (struct loop): Likewise.
11762
11763         PR debug/39485
11764         * function.c (use_register_for_decl): When not optimizing, disregard
11765         register keyword for variables with types containing methods.
11766
11767 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
11768
11769         PR middle-end/39447
11770         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
11771         (is_simple_operand): Call contains_component_ref_p before calling data
11772         reference analysis that would fail on COMPONENT_REFs.
11773
11774         * tree-vrp.c (search_for_addr_array): Fix formatting.
11775
11776 2009-03-18  Richard Guenther  <rguenther@suse.de>
11777
11778         * tree-vect-transform.c (vect_loop_versioning): Fold the
11779         generated comparisons.
11780         * tree-vectorizer.c (set_prologue_iterations): Likewise.
11781         (slpeel_tree_peel_loop_to_edge): Likewise.
11782
11783 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11784
11785         PR middle-end/37805
11786         * opts.c (print_specific_help): In addition to `undocumented',
11787         accept `separate' and `joined' flags if passed alone.  Describe
11788         output by the first matched one of those.
11789         (common_handle_option): Skip over empty strings.
11790         * gcc.c (display_help): Fix help string for `--help='.
11791         * doc/invoke.texi (Option Summary, Overall Options): With
11792         `--help=', classes and qualifiers can both be repeated, but
11793         only the latter can be negated.  One should not pass only
11794         negated qualifiers.  Fix markup and examples.
11795
11796         Revert
11797         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
11798         PR middle-end/37805
11799         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
11800         and -fhelp=separate.
11801
11802 2009-03-17  Jing Yu  <jingyu@google.com>
11803
11804         PR middle-end/39378
11805         * function.h (struct rtl_data): Move is_thunk from here...
11806         (struct function): ...to here.
11807         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
11808         * varasm.c (assemble_start_function): Change is_thunk from crtl to
11809         cfun.
11810         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
11811         cfun.
11812         (alpha_does_function_need_gp, alpha_start_function): Likewise.
11813         (alpha_output_function_end_prologue): Likewise.
11814         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
11815         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
11816         (rs6000_output_function_epilogue): Likewise.
11817         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
11818
11819 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
11820
11821         PR target/39482
11822         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
11823         from different units in a single alternative.
11824         (*truncdfsf_i387): Ditto.
11825         (*truncxfsf2_mixed): Ditto.
11826         (*truncxfdf2_mixed): Ditto.
11827
11828 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
11829
11830         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
11831         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
11832
11833         PR debug/39474
11834         * tree-ssa-live.c (remove_unused_locals): Don't remove local
11835         unused non-artificial variables when not optimizing.
11836
11837         PR debug/39471
11838         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
11839         DW_TAG_imported_module even if decl is IMPORTED_DECL with
11840         NAMESPACE_DECL in its DECL_INITIAL.
11841
11842         PR middle-end/39443
11843         * optabs.c (set_user_assembler_libfunc): New function.
11844         * expr.h (set_user_assembler_libfunc): New prototype.
11845         * c-common.c: Include libfuncs.h.
11846         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
11847         for memcmp, memset, memcpy, memmove and abort.
11848         * Makefile.in (c-common.o): Depend on libfuncs.h.
11849
11850         PR debug/39412
11851         * dwarf2out.c (gen_inlined_enumeration_type_die,
11852         gen_inlined_structure_type_die, gen_inlined_union_type_die,
11853         gen_tagged_type_instantiation_die): Removed.
11854         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
11855         do nothing.
11856
11857 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
11858
11859         PR testsuite/38526
11860         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
11861         its use.
11862         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
11863         (check-parallel-%): Ditto.
11864         (check-consistency): Ditto.
11865
11866 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
11867
11868         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
11869         local variable rhs by NULL_TREE.
11870
11871 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
11872
11873         PR target/39477
11874         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
11875
11876 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
11877
11878         PR target/39476
11879         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
11880
11881 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
11882
11883         PR target/39473
11884         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
11885         for ms->sysv ABI calls only in 64bit mode.
11886
11887         * config/i386/i386.md (untyped_call): Support 32bit.
11888
11889 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
11890
11891         * doc/extend.texi: Replace x86_65 with x86_64.
11892
11893 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
11894
11895         PR tree-optimization/39455
11896         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
11897         mismatches for POINTER_TYPE_P (type).
11898         (number_of_iterations_le): Likewise.
11899
11900 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11901
11902         * config/picochip/picochip.c: Removed profiling support.
11903         * config/picochip/picochip.md: Removed profiling instruction.
11904         * config/picochip/picochip.h: Removed profiling builtin.
11905
11906 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
11907
11908         * doc/install.texi (--with-host-libstdcxx): Document.
11909
11910 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
11911
11912         PR target/34299
11913         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
11914         generate a warning if the function name does not begin with
11915         "__vector" and the function has either the 'signal' or 'interrupt'
11916         attribute, from here to ...
11917         (avr_declare_function_name): ...here. New function.
11918         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
11919         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
11920
11921 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
11922
11923         PR bootstrap/39454
11924         * cse.c (fold_rtx): Don't modify original const_arg1 when
11925         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
11926         separate variable instead.
11927         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
11928         from out of range shift counts.
11929         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
11930
11931 2009-03-13  Catherine Moore  <clm@codesourcery.com>
11932
11933         * config/i386/x-mingw32 (host-mingw32.o): Replace
11934         diagnostic.h with $(DIAGNOSTIC_H).
11935
11936 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
11937
11938         PR target/39431
11939         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
11940         predicate.
11941         * config/i386/sync.md (sync_compare_and_swap<mode>,
11942         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
11943         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
11944         into a register.
11945         (sync_double_compare_and_swapdi_pic,
11946         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
11947         cmpxchg8b_pic_memory_operand instead of just memory_operand.
11948
11949 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
11950
11951         PR target/39445
11952         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
11953
11954 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
11955
11956         PR target/39327
11957         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
11958         (avx_addsubv4df3): Likewise.
11959         (*avx_addsubv4sf3): Likewise.
11960         (sse3_addsubv4sf3): Likewise.
11961
11962 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
11963
11964         PR target/38824
11965         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
11966
11967 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
11968
11969         PR debug/39432
11970         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
11971         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
11972         registers for allocnos created from user-defined variables.
11973
11974 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11975
11976         PR target/39181
11977         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
11978         of non-integer mode as well.
11979
11980 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
11981
11982         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
11983         for functions for which the parameter types are unknown.
11984
11985 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
11986
11987         PR target/39137
11988         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
11989         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
11990         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
11991         * config/i386/i386.c (ix86_local_alignment): For
11992         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
11993         long long variables on the stack to avoid dynamic realignment.
11994         Allow the first argument to be a decl rather than type.
11995         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
11996
11997 2009-03-11  Nick Clifton  <nickc@redhat.com>
11998
11999         PR target/5362
12000         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
12001         options.
12002         Add description to mno-lsim option.
12003         * config/mcore/mcore.h: Remove comment about deprecated m4align
12004         option.
12005         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
12006         * doc/invoke.texi: Add description of mno-lsim and
12007         mstack-increment options.
12008
12009         * config/fr30/fr30.opt: Document the -mno-lsim option.
12010         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
12011         and -mno-lsim options.
12012
12013 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
12014
12015         * fold-const.c (fold_comparison): Only call fold_inf_compare
12016         if the mode supports infinities.
12017
12018 2009-03-11  Jason Merrill  <jason@redhat.com>
12019
12020         PR debug/39086
12021         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
12022         end already did.  Notice GIMPLE_CALL modifications of the result.
12023         Don't copy debug information from an ignored decl or a decl from
12024         another function.
12025
12026 2009-03-10  Richard Guenther  <rguenther@suse.de>
12027             Nathan Froyd  <froydnj@codesourcery.com>
12028
12029         PR middle-end/37850
12030         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
12031         (__divMODE3): Likewise.
12032
12033 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
12034
12035         PR tree-optimization/39394
12036         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
12037         DECL_SIZE_UNIT of variable length FIELD_DECLs.
12038
12039 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
12040
12041         * recog.c (verfiy_changes): Disallow renaming of hard regs in
12042         inline asms for register asm ("") declarations.
12043
12044 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
12045
12046         * fold-const.c (fold_unary): Fix comment.
12047
12048 2009-03-07  Jan Hubicka  <jh@suse.cz>
12049
12050         PR target/39361
12051         * tree-inline.c (setup_one_parameter): Do replacement of const
12052         argument by constant in SSA form.
12053
12054 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
12055
12056         PR middle-end/38028
12057         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
12058         determine alignment passed to assign_stack_local.
12059         (assign_parms_unsplit_complex): Likewise.
12060         * except.c (sjlj_build_landing_pads): Likewise.
12061
12062 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
12063
12064         PR middle-end/39360
12065         * tree-flow.h (add_referenced_var): Return bool instead of void.
12066         * tree-dfa.c (add_referenced_var): Return result of
12067         referenced_var_check_and_insert call.
12068         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
12069         of referenced_var_check_and_insert.
12070
12071         PR debug/39372
12072         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
12073         (gen_variable_die): Emit DW_AT_location on abstract static variable's
12074         DIE, don't emit it if abstract origin already has it.
12075         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
12076         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
12077
12078 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
12079
12080         * genpreds.c (needs_variable): Fix parentheses at variable name
12081         detection.
12082         (write_tm_constrs_h): Indent generated code.
12083
12084 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12085
12086         * doc/extend.texi (Function Attributes): Add documentation
12087         for isr attributes.
12088
12089 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
12090
12091         PR debug/39387
12092         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
12093         take locus from its DECL_SOURCE_LOCATION instead of input_location.
12094
12095 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
12096
12097         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
12098         the loop as bad.
12099
12100 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
12101
12102         PR debug/39379
12103         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
12104         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
12105
12106 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
12107
12108         * config/i386/i386.md (R8_REG, R9_REG): New constants.
12109         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
12110         constants instead of magic numbers.
12111         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
12112         (QI_REG_P): Ditto.
12113         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
12114         (x86_64_ms_abi_int_parameter_registers): Ditto.
12115         (x86_64_int_return_registers): Ditto.
12116         (ix86_maybe_switch_abi): Ditto.
12117         (ix86_expand_call): Ditto for clobbered_registers array.
12118         (ix86_hard_regno_mode_ok): Ditto.
12119         (x86_extended_QIreg_mentioned_p): Ditto.
12120
12121 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
12122
12123         PR tree-optimization/39349
12124         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
12125
12126         * combine.c (gen_lowpart_for_combine): Use omode when generating
12127         clobber.
12128
12129 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
12130
12131         PR rtl-optimization/39235
12132         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
12133
12134 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
12135
12136         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
12137
12138 2009-03-04  Richard Guenther  <rguenther@suse.de>
12139
12140         PR tree-optimization/39362
12141         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
12142         that occur in abnormal PHIs should be varying.
12143
12144 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
12145
12146         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
12147         Extend comments.
12148         (simple_iv):  Take loop as an argument instead of statement.
12149         * tree-scalar-evolution.h (simple_iv): Declaration changed.
12150         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
12151         to simple_iv.
12152         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
12153         Ditto.
12154         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
12155         * matrix-reorg.c (analyze_transpose): Ditto.
12156         * tree-data-ref.c (dr_analyze_innermost): Ditto.
12157         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
12158         * tree-predcom.c (ref_at_iteration): Ditto.
12159         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
12160
12161 2009-03-04  Richard Guenther  <rguenther@suse.de>
12162
12163         PR tree-optimization/39358
12164         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
12165         escaped_id and callused_id.
12166         (solve_graph): Likewise.
12167
12168 2009-03-04  Richard Guenther  <rguenther@suse.de>
12169
12170         PR tree-optimization/39339
12171         * tree-sra.c (try_instantiate_multiple_fields): Make it
12172         no longer ICE on the above.
12173
12174 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
12175
12176         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
12177         that fits within Pmode.
12178
12179 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
12180
12181         PR middle-end/10109
12182         * tm.texi (LIBCALL_VALUE): Update description.
12183
12184 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
12185
12186         PR middle-end/34443
12187         * doc/extend.texi (section): Update description.
12188
12189 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
12190
12191         PR middle-end/39345
12192         * tree-inline.c (remapped_type): New.
12193         (can_be_nonlocal): Call remapped_type instead of remap_type.
12194
12195 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
12196
12197         PR fortran/39354
12198         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
12199         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
12200
12201 2009-03-03  Richard Guenther  <rguenther@suse.de>
12202
12203         PR middle-end/39272
12204         * tree.c (tree_nonartificial_location): New function.
12205         * tree.h (tree_nonartificial_location): Declare.
12206         * builtins.c (expand_builtin_memory_chk): Provide location
12207         of the call location for artificial function pieces.
12208         (maybe_emit_chk_warning): Likewise.
12209         (maybe_emit_sprintf_chk_warning): Likewise.
12210         (maybe_emit_free_warning): Likewise.
12211         * expr.c (expand_expr_real_1): Likewise.
12212
12213 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
12214
12215         PR tree-optimization/39343
12216         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
12217         COMPONENT_REF t has ARRAY_TYPE.
12218
12219 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
12220
12221         PR middle-end/39335
12222         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
12223         when the type precision of the induction variable should be
12224         larger than the type precision of nit.
12225         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
12226         * graphite.c (graphite_loop_normal_form): Same.
12227         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
12228
12229 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
12230
12231         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
12232         (*call_1_rex64_ms_sysv): Use named constants instead of magic
12233         numbers to describe clobbered registers.
12234         (*call_value_0_rex64_ms_sysv): Ditto.
12235         * config/i386/mmx.md (mmx_emms): Ditto.
12236         (mmx_femms): Ditto.
12237
12238 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
12239
12240         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
12241         of ABI_64.
12242
12243 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
12244
12245         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
12246         (spu_section_type_flags): New function.
12247
12248 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
12249
12250         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
12251         reg_class_contents of FLOAT_REGS into a temporary.
12252
12253 2009-03-02  Richard Guenther  <rguenther@suse.de>
12254             Ira Rosen  <irar@il.ibm.com>
12255
12256         PR tree-optimization/39318
12257         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
12258         information to the vectorized statement.
12259
12260 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
12261
12262         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
12263         variable.  Use defined names instead of magic constants for REX SSE
12264         registers.
12265
12266 2009-03-01  Richard Guenther  <rguenther@suse.de>
12267
12268         PR tree-optimization/39331
12269         * omp-low.c (lower_send_shared_vars): Do not receive new
12270         values for the reference of DECL_BY_REFERENCE parms or results.
12271
12272 2009-03-01  Jan Hubicka  <jh@suse.cz>
12273
12274         PR debug/39267
12275         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
12276         BLOCK_NONLOCALIZED_VAR): New macros.
12277         (tree_block): Add nonlocalized_vars.
12278         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
12279         gen_decl_die): Add origin argument.  Allow generation of die with
12280         origin at hand only.
12281         (gen_member_die, gen_type_die_with_usage, force_decl_die,
12282         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
12283         of gen_*.
12284         (gen_block_die): Fix checking for unused blocks.
12285         (process_scope_var): Break out from .... ; work with origins only.
12286         (decls_for_scope) ... here; process nonlocalized list.
12287         (dwarf2out_ignore_block): Look for nonlocalized vars.
12288         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
12289         vars.
12290         (dump_scope_block): Dump them.
12291         * tree-inline.c (remap_decls): Handle nonlocalized vars.
12292         (remap_block): Likewise.
12293         (can_be_nonlocal): New predicate.
12294         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
12295
12296 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12297
12298         * configure: Regenerate.
12299
12300 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12301
12302         * optc-gen.awk: No need to duplicate option flags twice.
12303         Reuse help texts for duplicate options which do not have any.
12304
12305         * gcc.c (display_help): Document --version.
12306
12307         * gcc.c (main): If print_help_list and verbose_flag, ensure
12308         driver output comes before subprocess output.
12309
12310         * optc-gen.awk: Assign all remaining fields to help string,
12311         space-separated, for multi-line help in *.opt.
12312
12313         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
12314         -Wno-pedantic-ms-format is for MinGW targets only.
12315
12316         * doc/options.texi (Option file format): Fix bad indentation,
12317         restoring dropped sentence.
12318
12319 2009-02-28  Jan Hubicka  <jh@suse.cz>
12320
12321         * tree-inline.c (tree_function_versioning): Output debug info.
12322
12323 2009-02-28  Jan Hubicka  <jh@suse.cz>
12324
12325         PR debug/39267
12326         * tree-inline.c (setup_one_parameter): Do not copy propagate
12327         arguments when not optimizing.
12328
12329 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
12330
12331         PR target/39327
12332         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
12333         (avx_addsubv4df3): Likewise.
12334         (*avx_addsubv4sf3): Likewise.
12335         (sse3_addsubv4sf3): Likewise.
12336         (*avx_addsubv2df3): Likewise.
12337         (sse3_addsubv2df3): Likewise.
12338         (avx_unpckhps256): Correct item selectors.
12339         (avx_unpcklps256): Likewise.
12340         (avx_unpckhpd256): Likewise.
12341         (avx_unpcklpd256): Likewise.
12342
12343 2009-02-28  Jan Hubicka  <jh@suse.cz>
12344
12345         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
12346         static vars.
12347         (copy_arguments_for_versioning): If var is declared don't declare it.
12348         (tree_function_versioning): First setup substitutions and then copy
12349         args.
12350
12351 2009-02-27  Jan Hubicka  <jh@suse.cz>
12352
12353         PR debug/39267
12354         * cgraph.h (varpool_output_debug_info): Remove.
12355         * cgraphunit.c (varpool_output_debug_info): Remove.
12356         * dwarf2out.c (deferred_locations_struct): New struct
12357         (deferred_locations): New type.
12358         (deferred_locations_list): New static var.
12359         (deffer_location): New function.
12360         (gen_variable_die): Use it.
12361         (decls_for_scope): Output info on local static vars.
12362         (dwarf2out_finish): Process deferred locations.
12363         * varpool.c (varpool_output_debug_info): Remove.
12364
12365 2009-02-27  Jan Hubicka  <jh@suse.cz>
12366
12367         PR debug/39267
12368         * tree.h (TREE_PROTECTED): Fix comment.
12369         (BLOCK_HANDLER_BLOCK): Remove.
12370         (struct tree_block): Remove handler_block add body_block.
12371         (inlined_function_outer_scope_p): New.
12372         (is_body_block): Remove.
12373         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
12374         * dwarf2out.c (is_inlined_entry_point): Remove.
12375         (add_high_low_attributes): Use inlined_function_outer_scope_p.
12376         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
12377         code.
12378         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
12379         * gimplify.c (gimplify_expr): Gimplify body blocks.
12380         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
12381         block with multiple subblocks.
12382         (dump_scope_block): Prettier output; dump more flags and info.
12383         (dump_scope_blocks): New.
12384         (remove_unused_locals): Use dump_scope_blocks.
12385         * tree-flow.h (dump_scope_blocks): Declare.
12386         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
12387         * stmt.c (is_body_block): Remove.
12388         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
12389         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
12390
12391 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
12392
12393         PR middle-end/39308
12394         * graphite.c (graphite_loop_normal_form): Do not call
12395         number_of_iterations_exit from a gcc_assert.
12396
12397 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
12398
12399         * config/s390/s390.c (s390_swap_cmp): Look for conditional
12400         jumps if COND is NULL.
12401         (find_cond_jump): New function.
12402         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
12403         * config/s390/s390.md: Remove z10_cobra attribute value.
12404
12405 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
12406
12407         * config/alpha/alpha.h (alpha_expand_mov): Return false if
12408         force_const_mem returns NULL_RTX.
12409
12410 2009-02-26  Jan Hubicka  <jh@suse.cz>
12411
12412         PR debug/39267
12413         * cgraph.h (varpool_output_debug_info): Remove.
12414         * cgraphunit.c (varpool_output_debug_info): Remove.
12415         * dwarf2out.c (deferred_locations_struct): New struct
12416         (deferred_locations): New type.
12417         (deferred_locations_list): New static var.
12418         (deffer_location): New function.
12419         (gen_variable_die): Use it.
12420         (decls_for_scope): Output info on local static vars.
12421         (dwarf2out_finish): Process deferred locations.
12422         * varpool.c (varpool_output_debug_info): Remove.
12423
12424 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
12425
12426         PR rtl-optimization/39241
12427         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
12428         to subreg_offset_representable_p.
12429
12430 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
12431
12432         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
12433         execute function prototype.  Get f and nregs from max_reg_num
12434         and get_insns.  Remove the first backward pass as it's dead,
12435         guard the forward pass by flag_expensive_optimizations.
12436         (rest_of_handle_regmove): Delete.
12437         (pass_regmove): Replace it with regmove_optimize.
12438
12439 2009-02-25  Martin Jambor  <mjambor@suse.cz>
12440
12441         PR tree-optimization/39259
12442         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
12443         calls_alloca function flags.
12444         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
12445         calls are detected.
12446
12447 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
12448
12449         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
12450         flags_set_1_rtx, flags_set_1_set): Delete.
12451         (regmove_optimize): Do not call mark_flags_life_zones.
12452
12453 2009-02-24  Julian Brown  <julian@codesourcery.com>
12454
12455         PR target/35965
12456         * config/arm/arm.c (require_pic_register): Only set
12457         cfun->machine->pic_reg once per function.
12458
12459 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
12460
12461         * doc/invoke.texi (Link Options): Document an easier way to pass
12462         options that take arguments to the GNU linker using -Xlinker and -Wl.
12463
12464 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
12465
12466         PR target/33785
12467         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
12468
12469 2009-02-24  Richard Guenther  <rguenther@suse.de>
12470
12471         PR debug/39285
12472         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
12473
12474 2009-02-24  Richard Guenther  <rguenther@suse.de>
12475             Zdenek Dvorak  <ook@ucw.cz>
12476
12477         PR tree-optimization/39233
12478         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
12479         from converting them to a generic type.
12480
12481 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
12482
12483         PR tree-optimization/39260
12484         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
12485         contains a condition with a real type.
12486         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
12487
12488 2009-02-23  Jason Merrill  <jason@redhat.com>
12489
12490         PR c++/38880
12491         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
12492         narrowing_initializer_constant_valid_p.
12493         (narrowing_initializer_constant_valid_p): Don't return
12494         null_pointer_node for adding a pointer to itself.
12495
12496 2009-02-23  Jan Hubicka  <jh@suse.cz>
12497
12498         PR c/12245
12499         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
12500         resizing.
12501
12502 2009-02-23  Jan Hubicka  <jh@suse.cz>
12503
12504         PR tree-optimization/37709
12505         * tree.c (block_ultimate_origin): Move here from dwarf2out.
12506         * tree.h (block_ultimate_origin): Declare.
12507         * dwarf2out.c (block_ultimate_origin): Move to tree.c
12508         * tree-ssa-live.c (remove_unused_scope_block_p):
12509         Eliminate blocks containig no instructions nor live variables nor
12510         nested blocks.
12511         (dump_scope_block): New function.
12512         (remove_unused_locals): Enable removal of dead blocks by default;
12513         enable dumping at TDF_DETAILS.
12514
12515 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
12516
12517         * config/i386/i386.c (classify_argument): Don't allow COImode
12518         and OImode.
12519         (function_arg_advance_32): Don't allow OImode.
12520         (function_arg_32): Likewise.
12521         (function_value_32): Likewise.
12522         (return_in_memory_32): Likewise.
12523         (function_arg_64): Remove OImode comment.
12524
12525 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
12526
12527         PR target/39261
12528         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
12529         ix86_expand_vector_set for V4DImode in 64bit mode only.
12530         (ix86_expand_vector_init_one_var): Likewise.
12531
12532 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
12533
12534         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
12535
12536 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
12537
12538         PR bootstrap/39257
12539         * loop-iv.c: Revert last change.
12540         * emit-rtl.c: Likewise.
12541
12542 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
12543
12544         PR target/39256
12545         * config/i386/i386.c (type_natural_mode): Remove an extra
12546         space in the warning message.
12547         (function_value_32): Handle 32-byte vector modes.
12548         (return_in_memory_32): Likewise.
12549
12550 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
12551
12552         * loop-iv.c (truncate_value): New function.
12553         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
12554         of lowpart_subreg.
12555         (lowpart_subreg): Move to...
12556         * emit-rtl.c: ...here.
12557
12558 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
12559
12560         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
12561         accidental and undocumented change at revision 140860.
12562
12563 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
12564
12565         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
12566         take gimple_seq * arguments.
12567         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
12568         types_compatible_p langhook.
12569
12570 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
12571             Joseph Myers  <joseph@codesourcery.com>
12572
12573         * config/arm/arm.c (arm_builtin_va_list): New function.
12574         (arm_expand_builtin_va_start): Likewise.
12575         (arm_gimplify_va_arg_expr): Likewise.
12576         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
12577         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
12578         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
12579         (va_list_type): New variable.
12580         (arm_mangle_type): Mangle va_list_type appropriately.
12581
12582 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
12583
12584         PR middle-end/39157
12585         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
12586         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
12587         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
12588         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
12589         parameter to 1000 for -O1 by default.
12590         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
12591         parameter.
12592         * loop-invariant.c: Include params.h.
12593         (move_loop_invariants): Don't call move_single_loop_invariants on
12594         very large loops.
12595
12596 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
12597
12598         * calls.c (emit_library_call_value_1): Use slot_offset instead of
12599         offset when calculating bounds for indexing stack_usage_map.  Fixes
12600         a buffer overflow with certain target setups.
12601
12602 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
12603
12604         PR target/39240
12605         * calls.c (expand_call): Clear try_tail_call if caller and callee
12606         disagree in promotion of function return value.
12607
12608 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
12609
12610         PR target/39175
12611         * c-common.c (c_determine_visibility): If visibility changed and
12612         DECL_RTL has been already set, call make_decl_rtl to update symbol
12613         flags.
12614
12615 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
12616
12617         PR c++/39188
12618         * varasm.c (assemble_variable): Don't check DECL_NAME when
12619         globalizing a variable.
12620
12621 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
12622
12623         PR c/38483
12624         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
12625         expression before any __builtin_trap call.
12626         * c-typeck.c (build_function_call): Convert and check function
12627         arguments before generating a call to a trap.  Evaluate the
12628         function arguments before the trap.
12629
12630 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
12631
12632         PR target/39228
12633         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
12634         (UNSPEC_FXAM_MEM): New unspec.
12635         (fxam<mode>2_i387_with_temp): New insn and split pattern.
12636         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
12637         memory using fxam<mode>2_i387_with_temp to remove excess precision.
12638
12639 2009-02-19  Richard Guenther  <rguenther@suse.de>
12640
12641         PR tree-optimization/39207
12642         PR tree-optimization/39074
12643         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
12644         storedanything_tree): New.
12645         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
12646         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
12647         (build_succ_graph): Add edges from STOREDANYTHING to all
12648         non-direct nodes.
12649         (init_base_vars): Initialize STOREDANYTHING.
12650         (compute_points_to_sets): Free substitution info after
12651         building the succ graph.
12652         (ipa_pta_execute): Likewise.
12653
12654         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
12655         field.
12656         (do_ds_constraint): Do not add to special var or non-pointer
12657         field solutions.
12658         (type_could_have_pointers): Split out from ...
12659         (could_have_pointers): ... here.  For arrays use the element type.
12660         (create_variable_info_for): Initialize may_have_pointers.
12661         (new_var_info): Likewise.
12662         (handle_lhs_call): Make the HEAP variable unknown-sized.
12663         (intra_create_variable_infos): Use a type with pointers for
12664         PARM_NOALIAS, make it unknown-sized.
12665
12666 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
12667
12668         PR target/39224
12669         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
12670
12671 2009-02-18  Jason Merrill  <jason@redhat.com>
12672
12673         PR target/39179
12674         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
12675         value if DECL_EXTERNAL.
12676         * tree-sra.c (sra_walk_gimple_assign): Likewise.
12677         * target.h (gcc_target::binds_local_p): Clarify "module".
12678         * tree.h (TREE_PUBLIC): Clarify "module".
12679
12680 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
12681
12682         PR target/38891
12683         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
12684         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
12685
12686 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
12687
12688         PR target/39082
12689         * c.opt (Wabi): Support C and ObjC.
12690         (Wpsabi): New.
12691
12692         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
12693
12694         * config/i386/i386.c (classify_argument): Warn once about the ABI
12695         change when passing union with long double.
12696
12697         * doc/invoke.texi: Update -Wabi for warning psABI changes.
12698
12699 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
12700
12701         PR c/35447
12702         * c-parser.c (c_parser_compound_statement): Always enter and leave
12703         a scope.
12704
12705 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12706
12707         PR target/34587
12708         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
12709
12710 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
12711
12712         PR tree-optimization/36922
12713         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
12714         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
12715         Likewise.
12716
12717 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
12718
12719         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
12720         to 0 for EABI64.
12721
12722 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
12723
12724         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
12725
12726 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
12727
12728         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
12729         tree sharing.
12730
12731 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
12732             Richard Sandiford  <rdsandiford@googlemail.com>
12733
12734         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
12735         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
12736         (loongson_biadd): ...this.
12737
12738 2009-02-17  Richard Guenther  <rguenther@suse.de>
12739
12740         PR tree-optimization/39202
12741         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
12742         a var make sure to follow existing collapses.
12743
12744 2009-02-17  Richard Guenther  <rguenther@suse.de>
12745
12746         PR middle-end/39214
12747         * langhooks.c (lhd_print_error_function): Check for NULL block.
12748
12749 2009-02-17  Richard Guenther  <rguenther@suse.de>
12750
12751         PR tree-optimization/39204
12752         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
12753         of the PHI arg.
12754
12755 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
12756
12757         * config/soft-fp/double.h: Update from glibc CVS.
12758
12759 2009-02-17  Richard Guenther  <rguenther@suse.de>
12760
12761         PR tree-optimization/39207
12762         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
12763         strict-aliasing warnings for pointers pointing to NULL.
12764
12765 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
12766
12767         PR c/35446
12768         * c-parser.c (c_parser_braced_init): Call pop_init_level when
12769         skipping until next close brace.
12770
12771 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
12772
12773         PR target/37049
12774         * config/i386/i386.c (ix86_expand_push): Set memory alignment
12775         to function argument boundary.
12776
12777 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
12778
12779         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
12780         in the lea_add. Reload eventually constraints it properly.
12781         * config/picochip/constraints.md: Remove the target constraint
12782         "b", since it is not needed anymore.
12783
12784 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
12785
12786         * gthr-dce.h: Uglify function parameter and local variable names.
12787         * gthr-gnat.h: Likewise.
12788         * gthr-mipssde.h: Likewise.
12789         * gthr-nks.h: Likewise.
12790         * gthr-posix95.h: Likewise.
12791         * gthr-posix.h: Likewise.
12792         * gthr-rtems.h: Likewise.
12793         * gthr-single.h: Likewise.
12794         * gthr-solaris.h: Likewise.
12795         * gthr-tpf.h: Likewise.
12796         * gthr-vxworks.h: Likewise.
12797         * gthr-win32.h: Likewise.
12798
12799 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
12800
12801         PR target/39196
12802         * config/i386/i386.md: Restrict the new peephole2 to move
12803         between MMX/SSE registers.
12804
12805 2009-02-15  Richard Guenther  <rguenther@suse.de>
12806
12807         Revert
12808         2009-02-13  Richard Guenther  <rguenther@suse.de>
12809
12810         * configure.ac: Enable LFS.
12811         * configure: Re-generate.
12812         * config.in: Likewise.
12813
12814 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
12815
12816         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
12817         spu_srqwbyte, spu_srqwbytebc): Define.
12818         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
12819         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
12820         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
12821         "shrqby_<mode>"): New insn-and-split patterns.
12822         * config/spu/spu.c (expand_builtin_args): Determine and return
12823         number of operands using spu_builtin_description data.
12824         (spu_expand_builtin_1): Use it.
12825
12826 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
12827
12828         PR target/38056
12829         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
12830         TARGET_CONST_GP.
12831
12832 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
12833
12834         PR target/39149
12835         * config/i386/i386.c (override_options): Correct warning
12836         messages for -malign-loops, -malign-jumps and -malign-functions.
12837
12838 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
12839
12840         PR target/39152
12841         * config/i386/i386.md: Restrict the new peephole2 to move
12842         between the general purpose registers.
12843
12844 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
12845
12846         PR target/39162
12847         * config/i386/i386.c (type_natural_mode): Add a new argument.
12848         Return the original mode and warn ABI change if vector size is 32byte.
12849         (function_arg_advance): Updated.
12850         (function_arg): Likewise.
12851         (ix86_function_value): Likewise.
12852         (ix86_return_in_memory): Likewise.
12853         (ix86_sol10_return_in_memory): Likewise.
12854         (ix86_gimplify_va_arg): Likewise.
12855         (function_arg_32): Don't warn ABX ABI change here.
12856         (function_arg_64): Likewise.
12857
12858 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
12859
12860         * loop-iv.c (implies_p): In the final case, test that operands 0
12861         of the two comparisons match.
12862
12863         * config/bfin/bfin.c (find_prev_insn_start): New function.
12864         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
12865         (find_next_insn_start): Move.
12866
12867 2009-02-13  Richard Guenther  <rguenther@suse.de>
12868
12869         * configure.ac: Enable LFS.
12870         * configure: Re-generate.
12871         * config.in: Likewise.
12872
12873 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
12874
12875         PR c/35444
12876         * c-parser.c (c_parser_parms_list_declarator): Discard pending
12877         sizes on syntax error after some arguments have been parsed.
12878
12879 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
12880
12881         * doc/invoke.texi (-fira): Remove.
12882
12883 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
12884
12885         * caller-save.c: Replace regclass.c with reginfo.c in comments.
12886         * recog.c: Likewise.
12887         * rtl.h: Likewise.
12888
12889 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
12890
12891         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
12892         (umul_ppmm): Likewise.
12893         (count_leading_zeros): Likewise.
12894         (count_trailing_zeros): Likewise.
12895         (UMUL_TIME): Likewise.
12896
12897 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
12898
12899         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
12900         soft-fp/t-softfp to tmake_file.
12901
12902         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
12903         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
12904         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
12905         IA64_BUILTIN_INFQ]: New.
12906         (ia64_init_builtins): Initialize __builtin_infq,
12907         __builtin_fabsq and __builtin_copysignq if not HPUX.
12908         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
12909         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
12910
12911         * config/ia64/lib1funcs.asm (__divtf3): Define only if
12912         SHARED is defined.
12913         (__fixtfti): Likewise.
12914         (__fixunstfti): Likewise.
12915         (__floattitf): Likewise.
12916
12917         * config/ia64/libgcc-glibc.ver: New.
12918         * config/ia64/t-fprules-softfp: Likewise.
12919         * config/ia64/sfp-machine.h: Likewise.
12920
12921         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
12922         (LIBGCC2_TF_CEXT): Likewise.
12923         (TF_SIZE): Likewise.
12924         (TARGET_INIT_LIBFUNCS): Likewise.
12925
12926         * config/ia64/t-glibc (SHLINB_MAPFILES):
12927         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
12928
12929 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
12930
12931         * config/i386/i386.c (construct_container): Rewrite processing
12932         BLKmode with X86_64_SSE_CLASS.
12933
12934 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
12935
12936         PR target/39152
12937         * config/i386/i386.md: Replace simplify_replace_rtx with
12938         replace_rtx in the new peephole2.
12939
12940 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
12941
12942         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
12943         loop unrolling do not happen at -O2.
12944
12945 2009-02-12  Michael Matz  <matz@suse.de>
12946
12947         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
12948
12949 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
12950
12951         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
12952         for -g3.
12953
12954 2009-02-12  Ben Elliston  <bje@au.ibm.com>
12955
12956         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
12957         patterns when updating the back chain.  Missed in the 2009-02-10
12958         change.
12959
12960 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
12961
12962         * doc/extend.texi (Decimal Floating Types): Update identifier of
12963         draft TR and list of missing support.
12964
12965 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
12966
12967         PR middle-end/39154
12968         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
12969         bit to variable length decl's flags, add it also to its
12970         pointer replacement variable.
12971
12972 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
12973             Jakub Jelinek  <jakub@redhat.com>
12974
12975         PR target/39118
12976         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
12977         (memory_blockage): New expander.
12978         (*memory_blockage): New insn pattern.
12979         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
12980         instead of general blockage at the end of function prologue when
12981         frame pointer is used to access red zone area.  Do not emit blockage
12982         when profiling, it is emitted in generic code.
12983         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
12984         function epilogue when frame pointer is used to access red zone area.
12985
12986 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
12987
12988         PR target/38824
12989         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
12990         by arithmetic with memory operands.
12991         * config/i386/predicates.md (commutative_operator): New.
12992
12993 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
12994
12995         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
12996         bulleted lists.
12997
12998 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
12999
13000         * alias.h (record_alias_subset): Declare.
13001         * alias.c (record_alias_subset): Make global.
13002
13003 2009-02-10  Nick Clifton  <nickc@redhat.com>
13004
13005         * tree-parloops.c: Change license to GPLv3.
13006         * ipa-struct-reorg.c: Change license to GPLv3.
13007         * ipa-struct-reorg.h: Change license to GPLv3.
13008
13009 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
13010
13011         PR c/39084
13012         * c-decl.c (start_struct): Return NULL on error.
13013
13014 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
13015
13016         PR middle-end/39124
13017         * cfgloopmanip.c (remove_path): Call remove_bbs after
13018         cancel_loop_tree, not before it.
13019
13020         PR target/39139
13021         * function.h (struct function): Add has_local_explicit_reg_vars bit.
13022         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
13023         VAR_DECLs were seen.
13024         * tree-ssa-live.c (remove_unused_locals): Recompute
13025         cfun->has_local_explicit_reg_vars.
13026         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
13027         copies or clearings if cfun->has_local_explicit_reg_vars.
13028
13029 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
13030
13031         PR target/39118
13032         * config/i386/i386.c (expand_prologue): Emit blockage at the end
13033         of function prologue when frame pointer is used to access
13034         red zone area.
13035
13036 2009-02-10  Richard Guenther  <rguenther@suse.de>
13037
13038         PR middle-end/39127
13039         * gimplify.c (gimple_regimplify_operands): Always look if
13040         we need to create a temporary.
13041
13042 2009-02-10  Richard Guenther  <rguenther@suse.de>
13043
13044         PR tree-optimization/39132
13045         * tree-loop-distribution.c (todo): New global var.
13046         (generate_memset_zero): Trigger TODO_rebuild_alias.
13047         (tree_loop_distribution): Return todo.
13048
13049 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
13050
13051         PR target/39119
13052         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
13053         (x86_64_reg_class_name): Removed.
13054         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
13055         first one isn't X86_64_SSE_CLASS or any other ones aren't
13056         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
13057         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
13058         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
13059         and 3 X86_64_SSEUP_CLASS.
13060         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
13061         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
13062
13063 2009-02-10  Ben Elliston  <bje@au.ibm.com>
13064
13065         * config/rs6000/rs6000.md (allocate_stack): Always use an update
13066         form instruction to update the stack back chain word, even if the
13067         user has disabled the generation of update instructions.
13068         (movdi_<mode>_update_stack): New.
13069         (movsi_update_stack): Likewise.
13070         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
13071         always use an update form instruction to update the stack back
13072         chain word.
13073
13074 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
13075
13076         PR middle-end/38953
13077         * graphite.c (if_region_set_false_region): After moving a region in
13078         the false branch of a condition, remove the empty dummy basic block.
13079         (gloog): Remove wrong fix for PR38953.
13080
13081 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
13082
13083         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
13084         generation due to implicit sign extension.
13085
13086 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
13087
13088         PR middle-end/38981
13089         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
13090         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
13091
13092 2009-02-09  Richard Guenther  <rguenther@suse.de>
13093
13094         PR middle-end/35202
13095         * convert.c (convert_to_real): Disable (float)fn((double)x)
13096         to fnf(x) conversion if errno differences may occur and
13097         -fmath-errno is set.
13098
13099 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
13100
13101         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
13102         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
13103         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
13104
13105 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
13106
13107         PR c/35434
13108         * c-common.c (handle_alias_attribute): Disallow attribute for
13109         anything not a FUNCTION_DECL or VAR_DECL.
13110
13111 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
13112
13113         PR c/39035
13114         * real.c (do_compare): Special-case compare of zero against
13115         decimal float value.
13116
13117 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
13118
13119         PR c/36432
13120         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
13121         as indicating flexible array members unless the field itself is
13122         being declarared as the incomplete array.
13123
13124 2009-02-06  Jan Hubicka  <jh@suse.cz>
13125
13126         PR tree-optimization/38844
13127         * ipa-inline.c (try_inline): Stop inlining recursion when edge
13128         is already inlined.
13129
13130 2009-02-06  Richard Guenther  <rguenther@suse.de>
13131
13132         PR middle-end/38977
13133         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
13134         fork because we may expand it as __gcov_fork.
13135
13136 2009-02-06  Nick Clifton  <nickc@redhat.com>
13137
13138         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
13139
13140 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
13141
13142         PR tree-optimization/35659
13143         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
13144         vn_phi_eq): Shortcut if hashcode does not match.
13145         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
13146         NULL operands.
13147         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
13148         and avoid iterative_hash_expr.
13149         (FOR_EACH_VALUE_ID_IN_SET): New.
13150         (value_id_compare): Remove.
13151         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
13152         sort expressions by value id.
13153
13154 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
13155
13156         PR target/38991
13157         * config/sh/predicates.md (general_movsrc_operand): Don't check
13158         the subreg of system registers here.
13159
13160 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
13161
13162         PR c++/39106
13163         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
13164         on the copied decl.
13165
13166 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
13167
13168         PR rtl-optimization/39110
13169         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
13170         addresses, not aligned ones.
13171
13172 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
13173             Richard Guenther  <rguenther@suse.de>
13174
13175         PR tree-optimization/39100
13176         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
13177         comment says and add edges.
13178
13179 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
13180
13181         PR c/35435
13182         * c-common.c (handle_tls_model_attribute): Ignore attribute for
13183         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
13184
13185 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
13186
13187         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
13188         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
13189         register_bb_in_sese, new_sese, free_sese): Moved.
13190         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
13191         outermost_loop_in_scop, build_scop_iteration_domain,
13192         expand_scalar_variables_ssa_name, get_vdef_before_scop,
13193         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
13194         Use loop_in_sese_p instead of loop_in_scop_p.
13195         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
13196         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
13197         (scopdet_basic_block_info): Fix bug in scop detection.
13198         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
13199         eq_loop_to_cloog_loop): Remove.
13200         (nb_loops_around_loop_in_scop, nb_loop
13201         ref_nb_loops): Moved here...
13202         * graphite.h (ref_nb_loops): ... from here.
13203         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
13204         (loop_domain_dim, loop_iteration_vector_dim): Remove.
13205         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
13206         * testsuite/gcc.dg/graphite/scop-19.c: New
13207
13208 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
13209             Hans-Peter Nilsson  <hp@axis.com>
13210
13211         PR rtl-optimization/37889
13212         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
13213         Move offset handling from PLUS to before the switch.  Use new
13214         arguments when considering SYMBOL_REFs too.
13215         (rtx_addr_can_trap_p): Pass dummy offset and size.
13216         (enum may_trap_p_flags): Remove.
13217         (may_trap_p_1): Pass size from MEM_SIZE.
13218
13219         PR rtl-optimization/38921
13220         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
13221         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
13222         * rtlanal.c (may_trap_after_code_motion_p): Delete.
13223         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
13224
13225 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
13226
13227         AVX Programming Reference (January, 2009)
13228         * config/i386/sse.md (*vpclmulqdq): New.
13229
13230 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
13231
13232         PR tree-optimization/38977
13233         PR gcov-profile/38292
13234         * calls.c (special_function_p): Disregard __builtin_ prefix.
13235
13236 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
13237
13238         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
13239         non-indexable addresses even before reload.
13240
13241 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
13242
13243         PR c/29129
13244         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
13245         as having variable size.  Do not give an error for unnamed
13246         parameters with [*] declarators.  Give a warning for type names
13247         with [*] declarators and mark them as variable size.
13248         * c-parser.c (c_parser_sizeof_expression): Do not give an error
13249         for sizeof applied to [*] type names.
13250
13251 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13252
13253         PR C++/36607
13254         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
13255
13256 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
13257
13258         * gcc.c (process_command): Update copyright notice dates.
13259         * gcov.c (print_version): Likewise.
13260         * gcov-dump.c (print_version): Likewise.
13261         * mips-tfile.c (main): Likewise.
13262         * mips-tdump.c (main): Likewise.
13263
13264 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
13265
13266         PR c/35433
13267         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
13268         for composite type involving a zero-length array type.
13269
13270 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
13271
13272         PR target/35318
13273         * function.c (match_asm_constraints_1): Skip over
13274         initial optional % in the constraint.
13275
13276         PR inline-asm/39059
13277         * c-parser.c (c_parser_postfix_expression): If fixed point is not
13278         supported, don't accept FIXED_CSTs.
13279         * c-decl.c (finish_declspecs): Error if fixed point is not supported
13280         and _Sat is used without _Fract/_Accum.  Set specs->type to
13281         integer_type_node for cts_fract/cts_accum if fixed point is not
13282         supported.
13283
13284 2009-02-02  Catherine Moore  <clm@codesourcery.com>
13285
13286         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
13287
13288 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
13289
13290         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
13291         (ABI_HAS_64BIT_SYMBOLS): Use it.
13292         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
13293
13294 2009-02-02  Paul Brook  <paul@codesourcery.com>
13295
13296         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
13297
13298 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
13299
13300         PR inline-asm/39058
13301         * recog.h (asm_operand_ok): Add constraints argument.
13302         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
13303         recurse on matching constraint.
13304         (check_asm_operands): Pass constraints as 3rd argument to
13305         asm_operand_ok.  Don't look up matching constraint here.
13306         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
13307         to asm_operand_ok.
13308
13309 2009-02-02  Ben Elliston  <bje@au.ibm.com>
13310
13311         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
13312         TARGET_NARROW_VOLATILE_BITFIELD macro names.
13313
13314 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13315
13316         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
13317         information.  Remove some obsolete information.  Reorganize.
13318
13319         * config/pa/fptr.c: Revert license to GPL 2.
13320         * config/pa/milli64.S: Likewise.
13321
13322 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
13323
13324         PR target/38904
13325         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
13326         LIBRARY name in, instead of hard-coding it.
13327         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
13328         extra target make frag to tmake_files according to EH model.
13329         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
13330         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
13331         frags that define makefile variable EH_MODEL appropriately.
13332         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
13333         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
13334         to "-sjlj" according to type of EH configured.
13335         (LIBGCC_SONAME):  Concatenate it to shared library base name.
13336         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
13337         to "_sjlj" according to type of EH configured.
13338         (LIBGCC_SONAME):  Concatenate it to shared library base name.
13339         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
13340         (SHLIB_LINK):  Add missing semicolon to if-else construct.
13341         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
13342         string value of "pe_dll" command-line option.
13343         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
13344         (SHLIB_SONAME):  Use it when overriding t-cygming default.
13345         (SHLIB_IMPLIB):  Override t-cygming default.
13346         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
13347         string value of "pe_dll" command-line option.
13348
13349 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
13350
13351         PR target/38952
13352         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
13353         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
13354
13355 2009-01-31  Richard Guenther  <rguenther@suse.de>
13356
13357         PR tree-optimization/38937
13358         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
13359         computing the transitive closure.
13360
13361 2009-01-30  Richard Guenther  <rguenther@suse.de>
13362
13363         PR tree-optimization/39041
13364         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
13365         Propagate variable indices only if the types match for this stmt.
13366
13367 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
13368
13369         PR target/39013
13370         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
13371         inline but never defined.
13372
13373 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
13374
13375         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
13376         (*insv_h_di_reg_extimm): New insn.
13377         (*insv_l<mode>_reg_extimm): New insn.
13378
13379 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
13380
13381         * config/picochip/picochip.c (flag_conserve_stack): set
13382         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
13383         fconserve-stack. Reduce call-overhead used by inliner.
13384
13385 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
13386
13387         PR/38157
13388         * common.opt (flag_conserve_stack): Initialised to zero.
13389
13390 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
13391
13392         PR/39002
13393         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
13394         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
13395         method.
13396
13397 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
13398
13399         * ira-color.c (allocno_reload_assign): Update comments.
13400         * regmove.c (regmove_optimize): Likewise.
13401
13402         * ra.h: Removed.
13403
13404 2009-01-29  Robert Millan  <rmh@aybabtu.com>
13405
13406         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
13407         * config/i386/kopensolaris-gnu.h: New file.  Undefine
13408         `MD_UNWIND_SUPPORT'.
13409         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
13410
13411 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
13412
13413         PR tree-optimization/39007
13414         * tree-loop-distribution.c (generate_builtin): Use
13415         recompute_dominator to compute the immediate dominator of the
13416         basic block just after the loop.
13417
13418 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
13419
13420         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
13421         (ASM_OUTPUT_DWARF_PCREL): Define.
13422
13423 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
13424
13425         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
13426         * doc/passes.texi: Remove entries about regclass, local-alloc, and
13427         global.  Modify entries about regmove and IRA.
13428
13429         * ra-conflict.c: Remove the file.
13430
13431         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
13432
13433         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
13434         (pass_regclass_init): Rename to pass_reginfo_init.
13435
13436         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
13437
13438         * toplev.h (flag_ira): Remove.
13439
13440         * caller-save.c (setup_save_areas): Remove flag_ira.
13441
13442         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
13443
13444         * global.c: Remove the file.
13445
13446         * opts.c (decode_options): Remove flag_ira.
13447
13448         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
13449
13450         * regmove.c: Modify file description.
13451         (find_use_as_address, try_auto_increment): Define them only if
13452         AUTO_INC_DEC is defined.
13453         (replacement_quality, replace_in_call_usage, fixup_match_1,
13454         stable_and_no_regs_but_for_p): Remove.
13455         (reg_set_in_bb): Make it static.
13456         (regmove_optimize): Remove flag_ira and code which worked for
13457         !flag_ira.
13458
13459         * local-alloc.c: Remove the file.
13460
13461         * common.opt (fira): Remove.
13462
13463         * ira.c: Include except.h.
13464         (eliminable_regset): Move from global.c.
13465         (mark_elimination): Ditto.  Remove flag_ira.
13466         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
13467         equiv_mem_modified, validate_equiv_mem_from_store,
13468         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
13469         contains_replace_regs, memref_referenced_p, memref_used_between_p,
13470         no_equiv, recorded_label_ref): Move from local-alloc.c.
13471         (update_equiv_regs): Ditto.  Make it static.
13472         (print_insn_chain, print_insn_chains): Move it from global.c.
13473         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
13474         (build_insn_chain): Ditto.  Make it static.
13475         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
13476         Rename to init_live_subregs.
13477         (gate_ira): Remove flag_ira.
13478
13479         * regclass.c: Rename reginfo.c.  Change file description.
13480         (FORBIDDEN_INC_DEC_CLASSES): Remove.
13481         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
13482         (init_reg_sets_1): Remove code for evaluation of
13483         reg_class_superclasses and losing_caller_save_reg_set.
13484         (init_regs): Remove init_reg_autoinc.
13485         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
13486         ok_for_base_p_nonstrict): Remove.
13487         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
13488         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
13489         corresponding entries.
13490         (dump_regclass, record_operand_costs, scan_one_insn,
13491         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
13492         record_address_regs, auto_inc_dec_reg_p): Remove.
13493         (gt-regclass.h): Rename to gt-reginfo.h.
13494
13495         * rtl.h (dump_global_regs, retry_global_alloc,
13496         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
13497
13498         * Makefile.in (RA_H): Remove.
13499         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
13500         Rename regclass.o to reginfo.o.
13501         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
13502         gt-reginfo.h.
13503         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
13504         (GTFILES): Rename regclass.c to reginfo.c.
13505
13506         * passes.c (init_optimization_passes): Remove pass_local_alloc and
13507         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
13508
13509         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
13510         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
13511         Remove flag_ira.
13512         (finish_spills): Ditto.  Remove code for !flag_ira.
13513
13514 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
13515
13516         PR middle-end/35854
13517         * doc/invoke.texi (rtl debug options): Complete rewrite.
13518         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
13519         to auto_inc_dec".
13520         * mode-switching.c (pass_mode_switching): Rename pass from
13521         "mode-sw" to "mode_sw".
13522         * except.c (pass_convert_to_eh_ranges): Rename pass from
13523         "eh-ranges" to "eh_ranges".
13524         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
13525         to "subreg1".
13526
13527
13528 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
13529             Alexander Monakov  <amonakov@ispras.ru>
13530
13531         PR middle-end/38857
13532         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
13533         register.
13534         (move_exprs_to_boundary): Change return type and pass through
13535         should_move from move_op.  Relax assert.  Update usage ...
13536         (schedule_expr_on_boundary): ... here.  Use should_move instead of
13537         cant_move.
13538         (move_op_orig_expr_found): Indicate that insn was disconnected from
13539         stream.
13540         (code_motion_process_successors): Do not call after_merge_succs
13541         callback if original expression was not found when traversing any of
13542         the branches.
13543         (code_motion_path_driver): Change return type.  Update prototype.
13544         (move_op): Update comment.  Add a new parameter (should_move).  Update
13545         prototype.  Set *should_move based on indication provided by
13546         move_op_orig_expr_found.
13547
13548 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
13549
13550         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
13551         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
13552         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
13553         * config/rs6000/rs6000.c (rs6000_override_options): Default
13554         avoid-indexed-addresses on for Power6, off for everything else.
13555         (avoiding_indexed_address_p): New function.
13556         (rs6000_legitimize_address): Use it.
13557         (rs6000_legitimate_address): Likewise.
13558         * config/rs6000/rs6000.md (movXX_updateX): Likewise
13559
13560 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
13561
13562         PR tree-optimization/38997
13563         * tree-loop-distribution.c (generate_memset_zero): Use
13564         POINTER_PLUS_EXPR for a pointer addition.
13565
13566 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
13567
13568         * config/s390/s390.md (bswap<mode>2): New pattern added.
13569
13570 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
13571
13572         * config/s390/s390.md (*tls_load_31): Added type attribute.
13573
13574 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
13575
13576         * config/s390/s390.md: Fix a few comments.
13577
13578 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
13579
13580         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
13581         (*tm<mode>_full): Fixed z10prop attribute.
13582         (*tst<mode>_extimm): Fixed z10prop attribute.
13583         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
13584         (*tstqiCCT_cconly): Fixed z10prop attribute.
13585         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
13586         (*movsi_larl): Fixed z10prop attribute.
13587         (*movsi_zarch): Fixed z10prop attribute.
13588         (*movsi_eas): Fixed z10prop attribute.
13589         (*movhi): Fixed z10prop attribute.
13590         (*movqi): Fixed z10prop attribute.
13591         (*movstrictqi): Fixed z10prop attribute.
13592         (*mov<mode>): Fixed z10prop attribute.
13593         (*movcc): Fixed z10prop attribute.
13594         (*sethighpartdi_64): Fixed z10prop attribute.
13595         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
13596         (*negdi2_sign_cc): Fixed z10prop attribute.
13597         (*negdi2_sign): Fixed z10prop attribute.
13598         (*absdi2_sign_cc): Fixed z10prop attribute.
13599         (*absdi2_sign): Fixed z10prop attribute.
13600         (*negabsdi2_sign_cc): Fixed z10prop attribute.
13601         (*negabsdi2_sign): Fixed z10prop attribute.
13602         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
13603         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
13604         (doloop_si64): Fixed z10prop attribute.
13605         (doloop_si31): Fixed z10prop attribute.
13606         (doloop_long): Fixed z10prop attribute.
13607         (indirect_jump): Fixed z10prop attribute.
13608         (nop): Fixed z10prop attribute.
13609         (main_base_64): Fixed z10prop attribute.
13610         (reload_base_64): Fixed z10prop attribute.
13611
13612 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
13613
13614         PR rtl-optimization/38740
13615         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
13616         if !optimize.
13617         * config/mips/mips.c (mips_reorg): Likewise.
13618
13619 2009-01-28  Richard Guenther  <rguenther@suse.de>
13620
13621         PR tree-optimization/38926
13622         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
13623         with the correct value id to a value.
13624         (do_regular_insertion): Use the value number of edoubleprime
13625         for the value number of the expr.
13626
13627         Revert
13628         2008-08-21  Richard Guenther  <rguenther@suse.de>
13629
13630         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
13631         a PHI ask VN if it is already available.
13632         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
13633         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
13634
13635 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
13636
13637         PR middle-end/38934
13638         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
13639         set to varying whenever max has TREE_OVERFLOW set, similarly
13640         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
13641
13642 2009-01-28  Richard Guenther  <rguenther@suse.de>
13643
13644         PR middle-end/38908
13645         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
13646         uninitialized aggregate uses in call arguments.
13647
13648 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
13649
13650         PR tree-optimization/38984
13651         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
13652         the nothing_id variable if -fno-delete-null-pointer-checks.
13653
13654 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
13655
13656         PR target/38988
13657         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
13658         (set_got_offset_rex64): Ditto.
13659
13660 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
13661
13662         PR target/38941
13663         * doc/extend.texi: Improve local variable with asm reg.
13664
13665 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
13666
13667         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
13668         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
13669         was not supplied then set warn_packed_bitfield_compat to the
13670         default value of 1.
13671         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
13672         against 1.
13673
13674 2009-01-27  Richard Guenther  <rguenther@suse.de>
13675
13676         PR tree-optimization/38503
13677         * cfgexpand.c (expand_gimple_basic_block): Ignore
13678         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
13679         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
13680         variables that cannot have TBAA applied.
13681         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
13682         statements.
13683
13684 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
13685
13686         PR middle-end/38969
13687         * calls.c (initialize_argument_information): Do not wrap complex
13688         arguments in SAVE_EXPR.
13689
13690 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
13691
13692         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
13693         (INSTALL_LIBGCC): Revert typo commit.
13694
13695 2009-01-26  Richard Guenther  <rguenther@suse.de>
13696
13697         PR tree-optimization/38745
13698         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
13699         from special handling.
13700
13701 2009-01-26  Richard Guenther  <rguenther@suse.de>
13702
13703         PR tree-optimization/38745
13704         * tree-ssa.c (execute_update_addresses_taken): Do not include
13705         variables that cannot possibly be a register in not_reg_needs.
13706         Do not clear TREE_ADDRESSABLE on vars that may not become
13707         registers.
13708         * tree-ssa.c (update_alias_info_1): Include those in the set
13709         of addressable vars.
13710
13711 2009-01-26  Richard Guenther  <rguenther@suse.de>
13712
13713         PR middle-end/38851
13714         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
13715         * tree-ssa-dse.c: Include langhooks.h
13716         (execute_simple_dse): Remove stores with zero size.
13717
13718 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
13719
13720         PR c/38957
13721         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
13722         as PLUS_EXPR.
13723
13724 2009-01-24  Julian Brown  <julian@codesourcery.com>
13725
13726         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
13727         config/arm/linux-atomic.c.
13728         * config/arm/linux-atomic.c: New.
13729
13730 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
13731
13732         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
13733         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
13734         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
13735
13736 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
13737
13738         PR c/38938
13739         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
13740         properly.
13741
13742 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
13743
13744         PR tree-optimization/38953
13745         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
13746         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
13747         (gloog): Split the exit of the scop when the scop exit is a loop exit.
13748         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
13749         changed the CFG.
13750
13751 2009-01-24  Paul Brook  <paul@codesourcery.com>
13752
13753         * config/arm/neon.md (neon_type): Move to arm.md.
13754         (neon_mov<VSTRUCT>): Add neon_type attribute.
13755         * config/arm/arm.md (neon_type): Move to here.
13756         (conds): Add "unconditioal" and use as default for NEON insns.
13757
13758 2009-01-24  Ben Elliston  <bje@au.ibm.com>
13759
13760         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
13761         void *' warning from -Wc++-compat.
13762         * Makefile.in (dominance.o-warn): Remove.
13763
13764 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
13765
13766         PR tree-optimization/38932
13767         * fold-const.c (fold_unary_ignore_overflow): New.
13768         * tree.h (fold_unary_ignore_overflow): Declare.
13769         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
13770         * tree-ssa-sccvn.c (visit_reference_op_load,
13771         simplify_unary_expression): Likewise.
13772
13773 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
13774
13775         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
13776         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
13777         regardless of their type.
13778         * c-common.c (handle_packed_attribute): Don't ignore packed on
13779         bitfields.
13780         * c.opt (Wpacked-bitfield-compat): New warning option.
13781         * stor-layout.c (place_field): Warn if offset of a field changed.
13782         * doc/extend.texi (packed): Mention the ABI change.
13783         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
13784         (Warning Options): Add it to the list.
13785
13786 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
13787
13788         * c-opts.c (c_common_post_options): Fix a typo in comments.
13789
13790 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
13791
13792         PR middle-end/38615
13793         * gimplify.c (gimplify_init_constructor): Fix promotion of const
13794         variables to static.
13795         * doc/invoke.texi (-fmerge-all-constants): Update description.
13796
13797 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
13798
13799         PR target/38931
13800         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
13801         (*movdi_1_rex64): Use type "mmx" for alternative 5.
13802
13803 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
13804
13805         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
13806         a word boundary.
13807         (LOCAL_ALIGNMENT): Similarly.
13808
13809 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
13810             Joseph Myers  <joseph@codesourcery.com>
13811
13812         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
13813         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
13814         * config/arm/arm-tune.md: Regenerate.
13815         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
13816         -march=iwmmxt2.
13817
13818 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
13819
13820         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
13821         version number to five.
13822
13823 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
13824
13825         PR c++/38930
13826         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
13827         * c-common.c (set_underlying_type): Likewise.
13828         (is_typedef_decl ): Likewise
13829         * tree.h: Likewise
13830         (set_underlying_type): Likewise.
13831         (is_typedef_type): Likewise.
13832
13833 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
13834
13835         PR middle-end/38587
13836         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
13837         crossing setjmps.
13838
13839 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
13840
13841         PR bootstrap/37660
13842         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
13843         (LIBGCC_SPEC):  Don't define.
13844         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
13845
13846 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
13847
13848         PR rtl-optimization/38879
13849         * alias.c (base_alias_check): Unaligned access via AND address can
13850         alias all surrounding object types except those with sizes equal
13851         or wider than the size of unaligned access.
13852
13853 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
13854
13855         PR c++/26693
13856         * c-decl.c (clone_underlying_type): Move this ...
13857         * c-common.c (set_underlying_type): ... here.
13858         Also, make sure the function properly sets TYPE_STUB_DECL() on
13859         the newly created typedef variant type.
13860         (is_typedef_decl ): New entry point.
13861         * tree.h: Added a new member member_types_needing_access_check to
13862         struct tree_decl_non_common.
13863         (set_underlying_type): New entry point.
13864         (is_typedef_type): Likewise.
13865
13866 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
13867
13868         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
13869         Check whether two instructions have memory references that
13870         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
13871         are helper functions for traversing.
13872         * alias.h (insn_alias_sets_confilict_p): New prototypes.
13873         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
13874         not to draw dependency edge for instructions with non-conflicting
13875         alias sets.
13876
13877 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
13878
13879         PR other/38758
13880         * longlong.h: Update copyright years.  Use soft-fp license notice.
13881         Sync __clz_tab declaration with glibc.
13882
13883 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
13884
13885         PR target/30687
13886         * doc/extend.texi (syscall_linkage): New.
13887         (version_id): Modify.
13888
13889 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13890             Richard Guenther  <rguenther@suse.de>
13891
13892         PR tree-optimization/38747
13893         PR tree-optimization/38748
13894         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
13895         conversion if the base address is an indirect reference and the
13896         aliasing sets could cause issues.
13897
13898 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
13899
13900         * common.opt (fgraphite, fgraphite-identity): Add comment for
13901         explaining why these options are not documented.
13902
13903 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
13904
13905         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
13906         gimple_call_lhs is NULL.
13907
13908 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
13909
13910         PR target/38868
13911         * emit-rtl.c (adjust_address_1): Make sure memref is never
13912         overwritten.
13913
13914 2009-01-20  Ben Elliston  <bje@au.ibm.com>
13915
13916         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
13917         const qualifier from arg parameter. Remove unnecessary cast to char *.
13918         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
13919         const qualifier from arg 2.
13920
13921 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
13922
13923         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
13924
13925 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
13926
13927         PR c/38869
13928         * rtl.h (reinit_regs): New prototype.
13929         * regclass.c: Include ira.h.
13930         (reinit_regs): New.
13931         * Makefile.in (regclass.o): Add ira.h.
13932         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
13933
13934 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
13935
13936         PR target/38736
13937         * c-common.c (handle_aligned_attribute): Use
13938         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
13939         default alignment value.
13940
13941         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
13942
13943         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
13944         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
13945
13946         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
13947         __BIGGEST_ALIGNMENT__.
13948
13949         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
13950
13951 2009-01-18  Richard Guenther  <rguenther@suse.de>
13952
13953         PR tree-optimization/38819
13954         * tree-flow.h (operation_could_trap_helper_p): Declare.
13955         * tree-eh.c (operation_could_trap_helper_p): Export.
13956         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
13957         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
13958         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
13959         are about to insert a possibly trapping instruction and fail
13960         in this case.
13961
13962 2009-01-18  Andreas Schwab  <schwab@suse.de>
13963
13964         * doc/install.texi (Configuration): Remove obsolete paragraph
13965         about use of --with-gnu-ld with --with-gnu-as.
13966
13967 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
13968
13969         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
13970         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
13971         Follow spelling conventions.
13972
13973 2009-01-18  Ben Elliston  <bje@au.ibm.com>
13974
13975         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
13976         C++ warning about implicit conversion from void * to struct
13977         bitmap_head_def *.
13978         (bitmap_obstack_free): Likewise for bitmap_element *.
13979         * Makefile.in (bitmap.o-warn): Remove.
13980
13981 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
13982
13983         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
13984
13985 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
13986             Tobias Grosser  <tobi.grosser@amd.com>
13987
13988         * graphite.c (graphite_trans_scop_block): Do not block single
13989         nested loops.
13990
13991 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
13992
13993         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
13994         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
13995         test with assertion.
13996
13997 2009-01-16  Richard Guenther  <rguenther@suse.de>
13998
13999         PR tree-optimization/38835
14000         PR middle-end/36227
14001         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
14002         and INT + PTR -> (INT)(PTR p+ INT) folding.
14003         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
14004
14005 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
14006
14007         PR target/38554
14008         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
14009         the subreg from a lowpart subreg if it is also casting the value.
14010
14011 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
14012             Tobias Grosser  <tobi.grosser@amd.com>
14013
14014         * graphite.c (compare_prefix_loops): New.
14015         (build_scop_canonical_schedules): Rewritten.
14016         (graphite_transform_loops): Move build_scop_canonical_schedules
14017         after build_scop_iteration_domain.
14018
14019 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
14020             Tobias Grosser  <tobi.grosser@amd.com>
14021
14022         * graphite.c (add_conditions_to_domain): Add the loops to
14023         the dimension of the iteration domain.  Do copy the domain
14024         only when it exists.
14025         (build_scop_conditions_1): Do not call add_conditions_to_domain.
14026         (add_conditions_to_constraints): New.
14027         (can_generate_code_stmt, can_generate_code): Removed.
14028         (gloog): Do not call can_generate_code.
14029         (graphite_transform_loops): Call add_conditions_to_constraints
14030         after building the iteration domain.
14031
14032 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
14033
14034         PR tree-optimization/38789
14035         * tree-ssa-threadedge.c
14036         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
14037         __builtin_constant_p.
14038
14039 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
14040
14041         * dce.c (delete_unmarked_insns): Reversed the order that insns are
14042         examined before deleting them.
14043
14044 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
14045
14046         * function.c (aggregate_value_p): Correctly extract the function
14047         type from CALL_EXPR_FN lookup.
14048
14049 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
14050
14051         * config/picochip/picochip.c (picochip_override_options): Revert
14052         CFI asm flag disable commited previously.
14053
14054 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
14055             Tobias Grosser  <tobi.grosser@amd.com>
14056             Jan Sjodin  <jan.sjodin@amd.com>
14057
14058         * graphite.c (scan_tree_for_params): On substractions negate
14059         all the coefficients of the term.
14060         (clast_to_gcc_expression_red): New.  Handle reduction expressions
14061         of more than two operands.
14062         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
14063         (get_vdef_before_scop): Handle also the case of default definitions.
14064
14065 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
14066
14067         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
14068         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
14069         Also use them when walking CALL_INSN_FUNCTION_USAGE.
14070
14071 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
14072             Joey Ye  <joey.ye@intel.com>
14073
14074         PR middle-end/37843
14075         * cfgexpand.c (expand_stack_alignment): Don't update stack
14076         boundary nor check incoming stack boundary here.
14077         (gimple_expand_cfg): Update stack boundary and check incoming
14078         stack boundary here.
14079
14080 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
14081
14082         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
14083
14084 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
14085
14086         PR rtl-optimization/38245
14087         * calls.c (expand_call): Add stack arguments to
14088         CALL_INSN_FUNCTION_USAGE even for pure calls (when
14089         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
14090         in regs and partially in memory or BLKmode arguments.
14091         (emit_library_call_value_1): Add stack arguments to
14092         CALL_INSN_FUNCTION_USAGE even for pure calls (when
14093         ACCUMULATE_OUTGOING_ARGS).
14094         * dce.c: Include tm_p.h.
14095         (find_call_stack_args): New function.
14096         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
14097         argument.
14098         (mark_insn): Call find_call_stack_args for CALL_Ps.
14099         (prescan_insns_for_dce): Walk insns backwards in bb rather than
14100         forwards.  Allocate and free arg_stores bitmap if needed, pass it
14101         down to deletable_insn_p, don't mark stores set in arg_stores
14102         bitmap, clear the bitmap at the beginning of each bb.
14103         * Makefile.in (dce.o): Depend on $(TM_P_H).
14104
14105 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
14106
14107         PR target/22599
14108         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
14109         to make sure the insn is a conditional test (bug 22599).  Reformat a
14110         few long lines.
14111
14112 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
14113
14114         PR middle-end/38431
14115         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
14116         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
14117         (gloog): Do not call cleanup_tree_cfg.
14118         (graphite_transform_loops): Call cleanup_tree_cfg after all
14119         scops have been code generated.
14120
14121 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
14122         * doc/gty.texi (Invoking the garbage collector): Added new node
14123         and section documenting ggc_collect.
14124
14125 2009-01-14  Richard Guenther  <rguenther@suse.de>
14126
14127         PR tree-optimization/38826
14128         PR middle-end/38477
14129         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
14130         initialization notes only if we actually emitted a warning.
14131         (intra_create_variable_infos): Add constraints for a result decl
14132         that is passed by hidden reference.
14133         (build_pred_graph): Mark all related variables non-direct on
14134         address-taking.
14135
14136 2009-01-14  Nick Clifton  <nickc@redhat.com>
14137
14138         * ira-conflicts.c: Include addresses.h for the definition of
14139         base_reg_class.
14140         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
14141         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
14142
14143 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
14144
14145         PR target/38811
14146         * Makefile.in (ira-lives.o): Add except.h.
14147
14148         * ira-lives.c: Include except.h.
14149         (process_bb_node_lives): Process can_throw_internal.
14150
14151 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
14152
14153         PR rtl-optimization/38774
14154         * combine.c (simplify_set): When undoing cc_use change, don't do
14155         PUT_CODE on the newly created comparison, but instead put back the
14156         old comparison.
14157
14158 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
14159
14160         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
14161         values.  Remove duplicate arm8 entry.
14162
14163 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
14164
14165         PR tree-optimization/38786
14166         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
14167         the SSA_NAME case of expand_scalar_variables_expr.
14168         Set the type of an expression to the type of its assign statement.
14169         (expand_scalar_variables_expr): Also gather the scalar computation
14170         used to index the memory access.  Do not pass loop_p.
14171         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
14172         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
14173         the gimple_stmt_iterator where it inserts new code.
14174         Do not pass loop_p.
14175         (copy_bb_and_scalar_dependences): Do not pass loop_p.
14176         (translate_clast): Update call to copy_bb_and_scalar_dependences.
14177
14178 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
14179
14180         * graphite.h (debug_value): Removed.
14181         * graphite.c (debug_value): Removed.
14182
14183 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
14184
14185         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
14186         ldrd/strd with two 32-bit instructions.
14187
14188 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
14189
14190         * config/arm/arm.c (struct processors): Pass for speed down into
14191         cost helper functions.
14192         (const_ok_for_op): Handle COMPARE and inequality nodes.
14193         (arm_rtx_costs_1): Rewrite.
14194         (arm_size_rtx_costs): Update prototype.
14195         (arm_rtx_costs): Pass speed down to helper functions.
14196         (arm_slowmul_rtx_costs): Rework cost calculations.
14197         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
14198         (arm_9e_rtx_costs): Likewise.
14199
14200 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
14201
14202         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
14203         relocations of local symbols wider than UNITS_PER_WORD are not valid.
14204         (alpha_legitimize_address): Do not split local symbols wider than
14205         UNITS_PER_WORD into HIGH/LO_SUM parts.
14206
14207 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
14208
14209         PR bootstrap/38580
14210         * gcc.c (process_command): Replace call to execvp with calls
14211         to pex_one and exit.
14212
14213 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
14214
14215         PR target/29141
14216         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
14217         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
14218         variant for devices with 3-byte PC.
14219         (__tablejump_elpm__): New.
14220
14221 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
14222
14223         PR c/32041
14224         * c-parser.c (c_parser_postfix_expression): Allow `->' in
14225         offsetof member-designator, handle it as `[0].'.
14226
14227 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14228
14229         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
14230         function when not using named sections on targets with named sections
14231         if branch distance is less than 262132.
14232
14233 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
14234
14235         * combine.c (combine_instructions):  Recompute
14236         optimize_this_for_speed_p  for each BB in the main combine loop.
14237
14238 2009-01-12  Tomas Bily  <tbily@suse.cz>
14239
14240         PR middlend/38385
14241         * tree-loop-distribution.c (prop_phis): New function.
14242         (generate_builtin): Call prop_phis.
14243         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
14244
14245 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
14246
14247         PR tree-optimization/38807
14248         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
14249         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
14250
14251 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
14252
14253         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
14254         subreg of op0 to the original op0.
14255
14256 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
14257
14258         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
14259
14260 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
14261
14262         PR debug/7055
14263         * mips-tfile.c (parse_def): Fix parsing of def strings
14264         starting with digits.
14265
14266 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
14267
14268         PR target/38695
14269         * config/arm/arm.c (arm_is_long_call_p): Don't call
14270         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
14271
14272 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
14273
14274         * regrename.c (regrename_optimize): Fix dumping.
14275         (find_oldest_value_reg): Preserve REG_POINTER.
14276         (copy_hardreg_forward_1): Likewise.
14277
14278 2009-01-09  Diego Novillo  <dnovillo@google.com>
14279
14280         * gimple.h (struct gimple_statement_base) <uid>: Document
14281         the restrictions on its use.
14282         (gimple_uid): Tidy.
14283         (gimple_set_uid): Tidy.
14284
14285 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
14286
14287         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
14288         zero guard even if align_bytes != 0 and count is smaller than
14289         size_needed.
14290
14291 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
14292
14293         PR rtl-optimization/38495
14294         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
14295         (add_range_and_copies_from_move_list): Print all added ranges.
14296         Add ranges to memory optimized destination.
14297
14298 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
14299
14300         PR target/38686
14301         PR target/38708
14302         * config/i386/i386.c (override_options): Reject
14303         -mstringop-strategy=rep_8byte with -m32.
14304         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
14305         to 1.  Do count comparison against epilogue_size_needed at compile
14306         time even when count_exp was constant forced into register.  For
14307         size_needed don't jump to epilogue, instead just avoid aligning
14308         and invoke the body algorithm.  If need_zero_guard, add zero guard
14309         even if count is non-zero, but smaller than size_needed + number of
14310         bytes that could be stored for alignment.
14311         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
14312         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
14313         but smaller than size_needed + number of bytes that could be stored
14314         for alignment.  Compare size_needed with epilogue_size_needed instead
14315         of desired_align - align, don't adjust size_needed, pass
14316         epilogue_size_needed to the epilogue expanders.
14317
14318         PR c/35742
14319         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
14320
14321 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14322
14323         * pa.c (last_address): Change to unsigned.
14324         (update_total_code_bytes): Change argument to unsigned.  Don't
14325         check if insn addresses are set.
14326         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
14327         addresses are not set.
14328         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
14329
14330 2009-01-09  Nick Clifton  <nickc@redhat.com>
14331
14332         * config/sh/symbian.c: Replace uses of DECL_INLINE with
14333         DECL_DECLARED_INLINE_P.
14334
14335 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
14336
14337         PR middle-end/38347
14338         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
14339         GET_MODE (op0) in operand_subword_force calls.
14340
14341         PR middle-end/38771
14342         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
14343         fold_convert arg0 operands to TREE_TYPE (op0) first.
14344
14345 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
14346
14347         * params.def (ira-max-conflict-table-size): Decrease default value
14348         to 1000.
14349
14350 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
14351
14352         PR tree-optimization/37031
14353         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
14354         on parameter_set.
14355         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
14356         allocate it using gc instead of heap, use VEC_quick_push instead of
14357         VEC_safe_push.
14358         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
14359         instead of heap, use VEC_quick_push instead of VEC_safe_push.
14360         * tree-data-ref.h (struct access_matrix): Change matrix to gc
14361         allocated vector from heap allocated.
14362         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
14363         * tree-loop-linear.c (linear_transform_loops): Allocate nest
14364         vector only after perfect_loop_nest_depth call.
14365
14366 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
14367             Jan Sjodin  <jan.sjodin@amd.com>
14368
14369         PR tree-optimization/38559
14370         * graphite.c (debug_value, copy_constraint,
14371         swap_constraint_variables, scale_constraint_variable, ): New.
14372         (get_lower_bound, get_upper_bound): Removed.
14373         (graphite_trans_bb_strip_mine): Clean up this code that works
14374         only for constant number of iterations.  Fully copy upper and
14375         lower bound constraints, not only the constant part of them.
14376         * graphite.h (debug_value): Declared.
14377
14378 2009-01-08  Ira Rosen  <irar@il.ibm.com>
14379
14380         PR tree-optimization/37194
14381         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
14382         Don't add the cost of cost model guard in prologue to scalar
14383         outside cost in case of known number of iterations.
14384
14385 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
14386             Alan Modra  <amodra@bigpond.net.au>
14387
14388         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
14389         non-word-aligned REG+CONST addressing.
14390
14391 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
14392
14393         PR target/38706
14394         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
14395         free_after_compilation when outputting a thunk.
14396         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
14397         Do not call free_after_compilation here.
14398
14399 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
14400
14401         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
14402         (ix86_valid_target_attribute_inner_p): Ditto.
14403
14404 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
14405
14406         PR tree-optimization/38492
14407         PR tree-optimization/38498
14408         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
14409         * tree-chrec.h (scev_is_linear_expression): Declared.
14410         * graphite.c (graphite_cannot_represent_loop_niter): New.
14411         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
14412         (graphite_loop_normal_form): Use gcc_assert.
14413         (scan_tree_for_params): Use CASE_CONVERT.
14414         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
14415         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
14416         Use gcc_assert.  Discard scops that contain unhandled cases.
14417         (build_scop_conditions): Return a boolean status for unhandled cases.
14418         (strip_mine_profitable_p): Print the loop number, not its depth.
14419         (is_interchange_valid): Pass the depth of the loop nest, don't
14420         recompute it wrongly.
14421         (graphite_trans_bb_block): Same.
14422         (graphite_trans_bb_block): Print tentative of loop blocking.
14423         (graphite_trans_scop_block): Do not print that the loop has been
14424         blocked.
14425         (graphite_transform_loops): Do not handle scops that contain condition
14426         scalar phi nodes.
14427
14428 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
14429
14430         AVX Programming Reference (December, 2008)
14431         * config/i386/avxintrin.h (_mm256_stream_si256): New.
14432         (_mm256_stream_pd): Likewise.
14433         (_mm256_stream_ps): Likewise.
14434
14435         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
14436         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
14437         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
14438         (bdesc_special_args): Add __builtin_ia32_movntdq256,
14439         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
14440         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
14441         (ix86_expand_special_args_builtin): Likewise.
14442
14443         * config/i386/sse.md (AVXMODEDI): New.
14444         (avx_movnt<mode>): Likewise.
14445         (avx_movnt<mode>): Likewise.
14446         (<sse>_movnt<mode>): Remove AVX support.
14447         (sse2_movntv2di): Likewise.
14448
14449 2009-01-07  Richard Guenther  <rguenther@suse.de>
14450
14451         PR middle-end/38751
14452         * fold-const.c (extract_muldiv): Remove obsolete comment.
14453         (fold_plusminus_mult_expr): Undo MINUS_EXPR
14454         to PLUS_EXPR canonicalization for the canonicalization.
14455
14456 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
14457
14458         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
14459         hosted cross-compilers generating less efficient code.
14460
14461 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
14462
14463         * function.h (rtl_data): Add a dbr_scheduled_p field.
14464         * reorg.c (dbr_schedule): Set it.
14465         (gate_handle_delay_slots): Check it.
14466         * config/mips/mips.c (mips_base_delayed_branch): Delete.
14467         (mips_reorg): Check flag_delayed_branch instead of
14468         mips_base_delayed_branch.
14469         (mips_override_options): Don't set mips_base_delayed_branch
14470         or flag_delayed_branch.
14471
14472 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
14473
14474         PR rtl-optimization/38426.
14475         * ira.c (ira): Set current_function_is_leaf earlier.
14476
14477 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
14478
14479         PR rtl-optimization/38722
14480         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
14481         too early, only set a flag and modify after last possible
14482         undo_all point.
14483
14484 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
14485
14486         PR c/34252
14487         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
14488         * real.c (decimal_single_format): Correct values of emin and emax.
14489         (decimal_double_format): Ditto.
14490         (decimal_quad_format): Ditto.
14491         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
14492         computation of DECnn_MIN and DECnn_MAX for corrected values of
14493         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
14494         __DECnn_MIN__, and adjust its computation for the corrected value
14495         of emin.
14496
14497 2009-01-06  Jan Hubicka  <jh@suse.cz>
14498
14499         PR target/38744
14500         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
14501
14502 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
14503
14504         * doc/contrib.texi (Contributors): Slightly adjust the end note.
14505         Add Robert Clark to the list of testers.
14506
14507 2009-01-06  Jan Hubicka  <jh@suse.cz>
14508             Kai Tietz  <kai.tietz@onevision.com>
14509
14510         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
14511         * config/i386/i386.c (ix86_expand_call): Add clobbers.
14512
14513 2009-01-06  Jan Hubicka  <jh@suse.cz>
14514             Kai Tietz  <kai.tietz@onevision.com>
14515
14516         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
14517         for w64 ABI.
14518         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
14519         (ix86_nsaved_regs): Count only general purpose regs.
14520         (ix86_nsaved_sseregs): New.
14521         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
14522         to 16 for w64; compute padding and size of sse reg save area.
14523         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
14524         general purpose regs.
14525         (ix86_emit_save_sse_regs_using_mov): New.
14526         (ix86_expand_prologue): Save SSE regs if needed.
14527         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
14528         (ix86_emit_restore_sse_regs_using_mov): New.
14529         (ix86_expand_epilogue): Save SSE regs if needed.
14530
14531 2009-01-06  Jan Hubicka  <jh@suse.cz>
14532             Kai Tietz  <kai.tietz@onevision.com>
14533
14534         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
14535         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
14536         functions when accumulate outgoing args is off.
14537
14538 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
14539
14540         PR bootstrap/38742
14541         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
14542         before using pseudos_have_intersected_live_ranges_p.
14543
14544         * ira-int.h (ira_assert): Always define.
14545
14546 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
14547
14548         AVX Programming Reference (December, 2008)
14549         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
14550         (_mm256_permute2_pd): Likewise.
14551         (_mm_permute2_ps): Likewise.
14552         (_mm256_permute2_ps): Likewise.
14553         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
14554         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
14555
14556         * config/i386/i386.c (ix86_builtins): Remove
14557         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
14558         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
14559         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
14560         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
14561         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
14562         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
14563         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
14564         __builtin_ia32_vpermil2ps256.
14565         (ix86_init_mmx_sse_builtins): Updated.
14566         (ix86_expand_args_builtin): Likewise.
14567
14568 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14569
14570         * pa.c (output_call): Relocate non-jump insns in the delay slot of
14571         long absolute calls when generating PA 2.0 code.
14572
14573 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
14574
14575         PR rtl-optimization/38583
14576         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
14577
14578         * params.def (ira-max-conflict-table-size): New.
14579
14580         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
14581
14582         * ira.h (ira_conflicts_p): New external definition.
14583
14584         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
14585         table.  Report this.  Return result of building.
14586         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
14587         building conflict table.
14588
14589         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
14590         (ira_color): Use ira_conflicts_p.
14591
14592         * global.c: Include ira.h.
14593         (pseudo_for_reload_consideration_p, build_insn_chain): Use
14594         ira_conflicts_p.
14595
14596         * Makefile.in (global.o): Add ira.h.
14597
14598         * ira-build.c (mark_all_loops_for_removal,
14599         propagate_some_info_from_allocno): New.
14600         (remove_unnecessary_allocnos): Call
14601         propagate_some_info_from_allocno.
14602         (remove_low_level_allocnos): New.
14603         (remove_unnecessary_regions): Add parameter.  Call
14604         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
14605         parameter to remove_unnecessary_regions.
14606         (ira_build): Remove all regions but root if the conflict table was
14607         not built.  Update conflict hard regs for allocnos crossing calls.
14608
14609         * ira.c (ira_conflicts_p): New global.
14610         (ira): Define and use ira_conflicts_p.
14611
14612         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
14613         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
14614         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
14615
14616 2009-01-06  Ben Elliston  <bje@au.ibm.com>
14617
14618         * gengtype-lex.l (YY_NO_INPUT): Define.
14619
14620 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14621
14622         PR c/34911
14623         * c-common.c (handle_vector_size_attribute): Also reject
14624         BOOLEAN_TYPE types.
14625
14626 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
14627
14628         PR tree-optimization/38492
14629         * graphite.c (rename_map_elt, debug_rename_elt,
14630         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
14631         rename_map_elt_info, eq_rename_map_elts,
14632         get_new_name_from_old_name, bb_in_sese_p): Moved around.
14633         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
14634         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
14635         (sese_build_livein_liveouts): New.
14636         (new_sese, free_sese): New.
14637         (new_scop): Call new_sese.
14638         (free_scop): Call free_sese.
14639         (rename_variables_from_edge, rename_phis_end_scop): Removed.
14640         (register_old_new_names): Renamed register_old_and_new_names.
14641         (register_scop_liveout_renames, add_loop_exit_phis,
14642         insert_loop_close_phis, struct igp,
14643         default_liveout_before_guard, add_guard_exit_phis,
14644         insert_guard_phis, copy_renames): New.
14645         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
14646         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
14647         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
14648         (scop_adjust_phis_for_liveouts): New.
14649         (gloog): Call scop_adjust_phis_for_liveouts.
14650
14651         * graphite.h (struct sese): Documented.  Added fields liveout,
14652         num_ver and livein.
14653         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
14654         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
14655         (struct scop): Added field liveout_renames.
14656         (SCOP_LIVEOUT_RENAMES): New.
14657
14658 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
14659
14660         PR tree-optimization/38510
14661         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
14662         (translate_clast): Call recompute_all_dominators before
14663         graphite_verify.
14664         (gloog): Call recompute_all_dominators before graphite_verify.
14665
14666 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
14667             Jan Sjodin  <jan.sjodin@amd.com>
14668
14669         PR tree-optimization/38500
14670         * graphite.c (create_sese_edges): Call fix_loop_structure after
14671         splitting blocks.
14672
14673 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
14674
14675         * config.gcc: Add m32r*-*-rtems*.
14676         * config/m32r/rtems.h: New file.
14677
14678 2009-01-05  Ben Elliston  <bje@au.ibm.com>
14679
14680         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
14681         (.po.pox): Likewise.
14682         (po/gcc.pot): Likewise.
14683
14684 2009-01-04  David S. Miller  <davem@davemloft.net>
14685
14686         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
14687         (STARTING_FRAME_OFFSET): Always set to zero.
14688
14689 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
14690
14691         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
14692         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
14693         fixed-point types, and vectors of the same.
14694
14695 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
14696
14697         * config/mips/sync.md (*mb_barrier): Rename to...
14698         (*memory_barrier): ...this.
14699
14700 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
14701
14702         * doc/extend.texi (Function Attributes): Move @cindex after @item
14703         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
14704         and put in alphabetical order. Fix 'target' name and put in order.
14705         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
14706         typos.
14707
14708 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
14709
14710         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
14711         (memory_barrier): Expand as unspec instead of unspec_volatile.
14712         Remove mem:BLK from insn operands.  Use Pmode scratch register.
14713         (*memory_barrier): Define as unspec instead of unspec_volatile.
14714         Use (match_dup 0) as input operand.
14715
14716         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
14717         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
14718         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
14719         scratch register.  Remove operand 1.
14720         (*stbar): Define as unspec instead of unspec_volatile.
14721         Use (match_dup 0) as input operand, remove (const_int 8).
14722         (*membar): Define as unspec instead of unspec_volatile.
14723         Use (match_dup 0) as input operand, remove input operand 2.
14724
14725         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
14726         (memory_barrier): Expand as unspec instead of unspec_volatile.
14727         Remove mem:BLK from insn operands.  Use Pmode scratch register.
14728         (*memory_barrier): Define as unspec instead of unspec_volatile.
14729         Use (match_dup 0) as input operand.
14730
14731         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
14732         Remove mem:BLK from insn operands.  Use Pmode scratch register.
14733         Set volatile flag on operand 0.
14734         (*memory_barrier): New insn pattern.
14735
14736         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
14737         insn operands.
14738         (*memory_barrier): Use (match_dup 0) as input operand.
14739
14740         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
14741         Remove mem:BLK from insn operands.  Use Pmode scratch register.
14742         Set volatile flag on operand 0.
14743         (*mb_internal): New insn pattern.
14744
14745         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
14746
14747 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
14748
14749         PR middle-end/38586
14750         * function.c (struct temp_slot): Move to the section of the file
14751         that deals with temp slots.  Remove field 'address'.
14752         (temp_slot_address_table): New hash table of address -> temp slot.
14753         (struct temp_slot_address_entry): New struct, items for the table.
14754         (temp_slot_address_compute_hash, temp_slot_address_hash,
14755         temp_slot_address_eq, insert_temp_slot_address): Support functions
14756         for the new table.
14757         (find_temp_slot_from_address): Rewrite to use the new hash table.
14758         (remove_unused_temp_slot_addresses): Remove addresses of temp
14759         slots that have been made available.
14760         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
14761         worker function for remove_unused_temp_slot_addresses.
14762         (assign_stack_temp_for_type): Don't clear the temp slot address list.
14763         Add the temp slot address to the address -> temp slot map.
14764         (update_temp_slot_address): Update via insert_temp_slot_address.
14765         (free_temp_slots): Call remove_unused_temp_slot_addresses.
14766         (pop_temp_slots): Likewise.
14767         (init_temp_slots): Allocate the address -> temp slot map, or empty
14768         the map if it is already allocated.
14769         (prepare_function_start): Initialize temp slot processing.
14770
14771 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
14772
14773         PR middle-end/38584
14774         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
14775         Calculate the size of all stack vars assuming no packing of stack
14776         vars will happen, replacing a quadratic algorithm with a linear one.
14777
14778 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
14779
14780         PR target/38707
14781         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
14782         can't be used.
14783
14784 2009-01-03  Diego Novillo  <dnovillo@google.com>
14785
14786         * doc/contrib.texi: Update contributions.
14787
14788 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
14789
14790         PR c++/38705
14791         * builtins.c (fold_builtin_memory_op): Give up if either operand
14792         is volatile.  Set srctype or desttype to non-qualified version
14793         of the other type.
14794
14795         PR c/38700
14796         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
14797         and FUNCTION_DECLs.
14798
14799 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
14800
14801         PR rtl-optimization/35805
14802         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
14803         problem if fast dce is able to remove any instructions.
14804         * dce.c (dce_process_block): Fix dump message.
14805
14806 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
14807
14808         PR 33649
14809         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
14810
14811 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
14812
14813         PR middle-end/38690
14814         * tree-flow.h (op_code_prio, op_prio): New prototypes.
14815         * tree-pretty-print.c (op_code_prio): New function.
14816         (op_prio): No longer static.  Use op_code_prio.
14817         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
14818         Use op_prio and op_code_prio to determine if () should be
14819         printed around operand(s) or not.
14820
14821         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
14822         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
14823         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
14824         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
14825         pp_character instead of pp_string for single letter printing.
14826
14827 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
14828
14829         * doc/extend.texi: Fix '#pragma GCC option' typo.
14830
14831 2009-01-02  Richard Guenther  <rguenther@suse.de>
14832
14833         * doc/install.texi (--enable-checking): Mention different
14834         default for stage1.
14835         (--enable-stage1-checking): Document.
14836
14837 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
14838
14839         PR middle-end/30142
14840         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
14841         case to be an error.
14842
14843 2009-01-02  Ben Elliston  <bje@au.ibm.com>
14844
14845         * config/fp-bit.h (pack_d): Constify argument.
14846         * config/fp-bit.c (makenan): Constify return type. Remove casts.
14847         (isnan): Constify argument.
14848         (isinf): Likewise.
14849         (iszero): Likewise.
14850         (pack_d): Likewise.
14851         (_fpadd_parts): Constify return type.
14852         (_fpmul_parts): Likewise.
14853         (_fpdiv_parts): Likewise.
14854
14855 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
14856
14857         PR c/36489
14858         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
14859         warn about overwriting initializer with side-effects or
14860         -Woverride-init if !IMPLICIT.
14861         (output_init_element): Likewise.  Pass IMPLICIT down to
14862         add_pending_init.
14863         (process_init_element): Add IMPLICIT argument.  Pass it down
14864         to output_init_element.
14865         (push_init_element, pop_init_level, set_designator): Adjust
14866         process_init_element callers.
14867         (set_nonincremental_init, set_nonincremental_init_from_string):
14868         Adjust add_pending_init callers.
14869         (output_pending_init_elements): Adjust output_init_element callers.
14870         * c-tree.h (process_init_element): Adjust prototype.
14871         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
14872         process_init_element callers.
14873
14874 \f
14875 Copyright (C) 2009 Free Software Foundation, Inc.
14876
14877 Copying and distribution of this file, with or without modification,
14878 are permitted in any medium without royalty provided the copyright
14879 notice and this notice are preserved.