gcc/ChangeLog

   1 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
   2
   3         * config/i386/i386.c (x86_elf_aligned_common)
   4         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
   5
   6 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
   7
   8         PR tree-optimization/23157
   9         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
  10         before emitting them.
  11
  12 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
  13
  14         PR tree-optimization/19899
  15         * Makefile.in (tree-scalar-evolution.o): Add real.h.
  16         * tree-scalar-evolution.c: Include real.h.
  17         (add_to_evolution): Build constant -1 of correct type.
  18
  19 2005-08-03  Jan Hubicka  <jh@suse.cz>
  20
  21         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
  22         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
  23         profile updating for complette unrolling.
  24         * loop-unroll.c (peel_loop_completely): Use it.
  25         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
  26         (tree_unroll_loops_completely): Disable code growing unrolling of cold
  27         loops.
  28
  29 2005-08-03  Paul Brook  <paul@codesourcery.com>
  30
  31         * combine.c (can_change_dest_mode): New function.
  32         (try_combine, simplify_set): Use it.
  33
  34 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
  35
  36         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
  37         TFmode to BLKmode.
  38
  39 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
  40
  41         * doc/install.texi (Specific): Adjust link to openavr.org.
  42         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
  43         (Binaries): Adjust HP-UX Porting Center link.
  44         (Binaries): Adjust Free Software Foundation ordering link.
  45         (Binaries): Remove broken link to Sinix/Reliant Unix binaries.
  46
  47 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
  48
  49         * convert.c (convert_to_integer): Use fold_build1 instead of
  50         build1 when converting an integer to an integer.
  51
  52 2005-08-02  Richard Henderson  <rth@redhat.com>
  53
  54         * combine.c (combine_instructions): Don't use reg_equal/equiv
  55         results if the mode doesn't match.
  56
  57 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
  58
  59         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
  60         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
  61
  62 2005-08-02  Richard Henderson  <rth@redhat.com>
  63
  64         PR 23196
  65         * explow.c (memory_address): Remove special-case for
  66         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
  67
  68 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
  69
  70         PR 23164
  71         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
  72         number of calls to cleanup_tree_cfg_1.
  73
  74 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
  75
  76         * doc/invoke.texi: document file extensions .F90 and .F95
  77
  78 2005-08-02  Richard Guenther  <rguenther@suse.de>
  79
  80         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
  81         positive if its first argument is positive.
  82
  83 2005-08-02  Richard Guenther  <rguenther@suse.de>
  84
  85         PR tree-optimization/23177
  86         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
  87         on TMR_TAG.
  88
  89 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
  90
  91         PR tree-optimization/23129
  92         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
  93         varying for divisions with anti-ranges.
  94
  95 2005-08-02  Jan Hubicka  <jh@suse.cz>
  96
  97         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
  98         * tree-ssa-threadupdate.c (thread_block): Add it here.
  99
 100 2005-08-01  James E Wilson  <wilson@specifix.com>
 101
 102         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
 103         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
 104         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
 105         New.
 106         * config/mips/predicates.md (const_call_insn_operand): Add check for
 107         SYMBOL_REF_LONG_CALL_P.
 108         * doc/extend.texi (long_call): Document the new attribute.
 109
 110 2005-08-01  Ian Lance Taylor  <ian@airs.com>
 111             Richard Henderson  <rth@redhat.com>
 112
 113         * Makefile.in (RTL_BASE_H): Add real.h.
 114         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
 115         instead of memcpy.
 116         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
 117         directly.
 118         * rtl.c (rtl_check_failed_code_mode): New.
 119         * rtl.h (struct rtx_def): Add u.rv.
 120         (XCMWINT, XCNMPRV): New.
 121         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
 122         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
 123
 124 2005-08-01  Richard Henderson  <rth@redhat.com>
 125
 126         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
 127         with auto-inc codes.
 128
 129         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
 130
 131 2005-08-01  Jan Hubicka  <jh@suse.cz>
 132
 133         * i386-protos.h (asm_preferred_eh_data_format): Declare.
 134         * i386.c: Include dwarf2.h
 135         (asm_preferred_eh_data_format): New.
 136         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
 137
 138 2005-08-01  Ian Lance Taylor  <ian@airs.com>
 139
 140         * config/host-linux.c (linux_gt_pch_get_address): Add new name
 141         randomize_va_space for virtual address randomization control.
 142
 143 2005-08-01  Steven Bosscher  <stevenb@suse.de>
 144
 145         * common.opt (flag_ipa_cp): Put in right place to maintain
 146         alphabetic sort.
 147
 148 2005-08-01  Jan Hubicka  <jh@suse.cz>
 149
 150         * profile.c (compute_value_histograms): Fix thinko.
 151         * value-prof.c: Include toplev.h
 152         (check_counter): New function.
 153         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
 154         tree_mod_subtract_transform): Add sanity check.
 155
 156 2005-08-01  Richard Guenther  <rguenther@suse.de>
 157
 158         PR tree-optimization/23133
 159         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
 160         current functions parameter decls to find defs to cse
 161         reciprocals of.
 162
 163 2005-08-01  Richard Guenther  <rguenther@suse.de>
 164
 165         PR tree-optimization/23109
 166         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
 167         If trapping math is in effect, use post-dominator information
 168         to check if we'd in any case reach a trapping point before
 169         doing the reciprocal insertion.
 170         (execute_cse_reciprocals): Compute post-dominators, if necessary.
 171         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
 172         expressions are invariant only if trapping math is not in effect.
 173
 174 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
 175
 176         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
 177         cgraph_function_versioning): New declarations.
 178         * cgraphunit.c: Add include to ipa-prop.h.
 179         (update_call_expr, cgraph_copy_node_for_versioning,
 180         cgraph_function_versioning): New functions.
 181         * integrate.c (copy_decl_for_inlining): Remove.
 182         * ipa-prop.h (ipa_replace_map): New struct.
 183         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
 184         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
 185         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
 186         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
 187         ipcp_iterate_stage, ipcp_method_scale_print,
 188         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
 189         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
 190         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
 191         ipcp_update_bb_counts, ipcp_update_profiling,
 192         ipcp_update_edges_counts): New functions.
 193         (ipcp_method_cval_init): Remove restriction regarding local methods.
 194         (ipcp_init_stage): Add ipcp_method_compute_scale.
 195         (ipcp_insert_stage): Add versioning.
 196         (ipcp_structures_print): Add ipcp_method_scale_print.
 197         (ipcp_driver): Dump profiling info.
 198         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
 199         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
 200         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
 201         (struct inline_data): Add versioning_p, ipa_info, new fields.
 202         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
 203         declare_return_variable): Replace calls to copy_decl_for_inlining with
 204         copy_decl_for_dup.
 205         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
 206         versioning support.
 207         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
 208         Add argument VERSIONING.
 209         (copy_arguments_for_versioning, copy_static_chain,
 210         function_versionable_p, tree_versionable_function_p,
 211         tree_function_versioning, replace_ref_tree): New functions.
 212         * tree-inline.h: Include varray.h.
 213         (tree_versionable_function_p,  tree_function_versioning,
 214         tree copy_decl_for_dup): New declarations.
 215
 216 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
 217
 218         * ipa-cp.c: New file. Contains IPCP specific functionality.
 219         * ipa-prop.h: New file. Contains structures/definitions that can be
 220         used by several interprocedural data flow optimizations (and also IPCP).
 221         * ipa-prop.c: New file.
 222         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
 223         * common.opt: Add ipa-cp flag.
 224         * timevar.def: Add IPCP optimization.
 225         * tree-optimize.c (init_tree_optimization_passes): Schedule
 226         pass_ipa_cp.
 227         * tree-pass.h (pass_ipa_cp): Declare.
 228
 229 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
 230
 231         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
 232         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
 233         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
 234         config/i386/i386.c, config/mips/mips.h,
 235         config/rs6000/rs6000.h, config/sh/sh.c,
 236         config/stormy16/stormy16.c: Fix comment typos.
 237
 238 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
 239
 240         PR c/22311
 241         * c-typeck.c (build_binary_op): Use common_type wrapper on
 242         shortened types.
 243         (common_type): Update comment.
 244
 245 2005-07-31  Steven Bosscher  <stevenb@suse.de>
 246
 247         PR target/23095
 248         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
 249         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
 250         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
 251
 252 2005-07-31  Jan Hubicka  <jh@suse.cz>
 253
 254         * pretty-print.h (pp_widest_integer): New macro.
 255         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
 256         counts.
 257
 258 2005-07-31  Jan Hubicka  <jh@suse.cz>
 259
 260         * output.h (enum section_category): Export from varasm.c
 261         (categorize_decl_for_section): Likewise.
 262         * varasm.c (enum section_category): Kill.
 263         (categorize_decl_for_section): Make global.
 264         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
 265         Declare.
 266         * i386.c (ix86_section_threshold): New static variable.
 267         (ix86_in_large_data_p, ix86_encode_section_info,
 268         x86_64_elf_unique_section,
 269         x86_64_elf_select_section): New functions.
 270         (TARGET_ENCODE_SECTION_INFO): Define
 271         (override_options): Enable medium model for PIC.
 272         (ix86_expand_prologue): Expand gen_set_got_rex64.
 273         (legitimate_constant_p): Handle new UNSPECs.
 274         (legitimate_pic_address_disp_p): Likewise.
 275         (legitimize_pic_address): Lower MEDIUM model addressing.
 276         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
 277         (enum cmodel): Add MEDIUM_PIC.
 278         (SYMBOL_REF_FAR_ADDR_P): New macro.
 279         (SYMBOL_FLAG_FAR_ADDR): New flag.
 280         * i386.md (movdi): Support medium model.
 281         (set_got_rex64): New pattern.
 282         * i386.opt (mlarge-data-threshold): New flag.
 283         * predicates.md (zext_operand/sext_operand): Deal with medium model.
 284         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
 285         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
 286         TARGET_ASM_UNIQUE_SECTION): New.
 287
 288         * invoke.texi (-mlarge_data_threshold): Document
 289
 290 2005-07-31  Jan Hubicka  <jh@suse.cz>
 291
 292         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
 293         (coalesce_vars): Likewise.
 294         * tree-ssa-live.c (coalesce_cost): New.
 295         (build_tree_conflict_graph): Use coalesce_cost.
 296         * tree-ssa-live.h (coalesce_cost): Declare.
 297
 298 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
 299
 300         * arm.md (all peepholes for post-increment operations): Delete.
 301         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
 302         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
 303         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
 304         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
 305         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
 306
 307 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
 308
 309         * fold-const.c (tree_expr_nonnegative_p): Always return true for
 310         non-integral types.
 311
 312 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
 313
 314         PR target/22582
 315         * doc/invoke.texi: Document -rdynamic.
 316
 317 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
 318
 319         PR c/23143
 320         * c-parser.c (c_parser_parms_list_declarator): Call
 321         mark_forward_parm_decls.
 322         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
 323         decls with visibility structure.
 324
 325 2005-07-30  Paul Brook  <paul@codesourcery.com>
 326
 327         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
 328
 329 2005-07-30  Paul Brook  <paul@codesourcery.com>
 330
 331         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
 332         prototype.
 333         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
 334         value for mode.
 335         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
 336
 337 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
 338
 339         PR c/529
 340         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
 341         nested function declarators.
 342         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
 343         (grokparms): Call warn_if_shadowing for parameters used within the
 344         parameter list.
 345         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
 346         not used within the parameter list.
 347         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
 348
 349 2005-07-30  Jan Hubicka  <jh@suse.cz>
 350
 351         * expr.c (expand_expr_real_1): Do not load mem targets into register.
 352         * i386.c (ix86_fixup_binary_operands): Likewise.
 353         (ix86_expand_unary_operator): Likewise.
 354         (ix86_expand_fp_absneg_operator): Likewise.
 355         * optabs.c (expand_vec_cond_expr): Validate dest.
 356
 357 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
 358
 359         PR c/21720
 360         * real.c (real_from_string): Also set last bit if there is a
 361         nonzero hex digit beyond GCC's internal precision after ".".
 362
 363 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
 364
 365         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
 366         define_constants.  Change duplicate values to unassigned numbers.
 367         Change UNSPEC_SUBS to UNSPEC_VSUBS.
 368         (*altivec_vspltsf): New.
 369         (altivec_vperm_v4sf): Delete.
 370         (altivec_vperm_<mode>): Use mode macro V.
 371         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
 372         (altivec_predicate_v4sf): Delete.
 373         (altivec_predicate_<mode>): Use mode macro V.
 374         (*altivec_lvesfx): New.
 375         (*altivec_stvesfx): New.
 376         (vec_realign_load_v4sf): Delete.
 377         (vec_realign_load_<mode>): Use mode macro V.
 378         * config/rs6000/rs6000.c (generate_set_vrsave): Use
 379         UNSPECV_SET_VRSAVE.
 380
 381 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
 382
 383         PR bootstrap/23131
 384         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
 385         string.
 386         * configure: Regenerated.
 387
 388 2005-07-29  Paul Brook  <paul@codesourcery.com>
 389
 390         * doc/install.texi: Add link to GFortran binaries wiki page.
 391
 392 2005-07-29  David Ung  <davidu@mips.com>
 393
 394         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
 395         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
 396         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
 397         * config/mips/mips.md (cpu): Add 5kf name.
 398         (includes): Includes 5k.md.
 399         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
 400         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
 401         -march flag.
 402
 403 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
 404
 405         PR 22550
 406         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
 407         (cleanup_tree_cfg): ... here.
 408         Call cleanup_tree_cfg_1 until there are no more cleanups to
 409         do.
 410
 411 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
 412
 413         * tree-vrp.c (compare_range_with_value): Return true or false
 414         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
 415         EQ_EXPR respectively.
 416
 417 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
 418
 419         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
 420         Fix comment typos.
 421
 422 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
 423
 424         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
 425         (tree_ssa_dominator_optimize): Increment it.
 426         (dump_dominator_optimization_stats): Print it.
 427
 428 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
 429             Steven Bosscher  <stevenb@suse.de>
 430
 431         PR rtl-optimization/23117
 432         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
 433         when head == tail.  Tidy comment.
 434
 435 2005-07-28  Richard Henderson  <rth@redhat.com>
 436
 437         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
 438         * cselib.c (rtx_equal_for_cselib_p): Likewise.
 439         * jump.c (rtx_renumbered_equal_p): Likewise.
 440         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
 441         CONST_INT and CONST_DOUBLE.
 442         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
 443         * reload.c (operands_match_p): Special case CONST_INT and
 444         CONST_DOUBLE; check mode earlier.
 445
 446 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
 447
 448         PR c/22240
 449         * c-typeck.c (convert_for_assignment): Do not check
 450         DECL_IN_SYSTEM_HEADER on NULL fundecl.
 451
 452 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
 453
 454         PR c/22192
 455         * c-typeck.c (composite_type): Prefer constant size arrays to
 456         VLAs.
 457
 458 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
 459
 460         PR c/21720
 461         * real.c (real_from_string): Set last bit if there is a nonzero
 462         hex digit beyond GCC's internal precision.
 463
 464 2005-07-28  Richard Henderson  <rth@redhat.com>
 465
 466         PR rtl-opt/22619
 467         * cfgcleanup.c (try_forward_edges): Watch out for end of
 468         insn chain.
 469
 470 2005-07-28  James E Wilson  <wilson@specifixinc.com>
 471
 472         PR c/23106
 473         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
 474
 475 2005-07-28  Jan Hubicka  <jh@suse.cz>
 476
 477         * Makefile.in (rtl-profile.o): Kill all traces of it.
 478         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
 479         * coverage.h (rtl_coverage_counter_ref): Kill.
 480         * opts.c (flag_speculative_prefetching_set): Kill.
 481         (flag_loop_optimize_set): New.
 482         (common_handle_option): Disable loop optimizer when profiling;
 483         do not handle speculative prefetching.
 484         * passes.c (init_optimization_passes): Replace pass_profiling combo
 485         by branch_prob pass.
 486         * profile.c (compute_value_histograms): Update for simplified value
 487         profiles.
 488         (rtl_register_profile_hooks): Kill.
 489         (pass_profiling): Kill.
 490         (rest_of_handle_branch_prob): Do not profile.
 491         * toplev.c (process_options): Remove speculative prefetching.
 492         * toplev.h (flag_tree_based_profiling): Kill.
 493         * tree-profile.c (prepare_instrumented_value,
 494         tree_gen_interval_profiler, tree_gen_pow2_profiler,
 495         tree_gen_one_value_profiler, do_tree_profiling): Update for
 496         simplified datastructures.
 497         * value-prof.c: Add comment that speculative prefetching was dropped;
 498         update rest of file for simplified datastructures.
 499         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
 500         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
 501         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
 502         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
 503         rtl_mod_subtract, gen_speculative_prefetch,
 504         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
 505         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
 506         (gate_handle_value_profile_transformations,
 507         rest_of_handle_value_profile_transformations,
 508         pass_value_profile_transformations): Kill.
 509         * value-prof.h (histogram_value_t): Remove IL based unions.
 510         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
 511         rtl_profile_hooks): Remove hooks.
 512
 513         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
 514
 515         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
 516         (cgraph_clone_node): Likewise.
 517         * cgraph.h (cgraph_clone_edge): Update prototype.
 518         (cgraph_clone_node): Likewise.
 519         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
 520         cgraph_clone_node.
 521         (lookup_recursive_calls): Consider profile.
 522         (cgraph_decide_recursive_inlining): Fix updating; use new
 523         probability argument; use profile.
 524         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
 525         * tree-inline.c (copy_bb): Update clal of clone_edge.
 526         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
 527
 528         * invoke.texi (min-inline-recursive-probability): Document.
 529
 530 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
 531
 532         * doc/install.texi (Configuration): Update Valgrind homepage.
 533
 534 2005-07-28  Richard Henderson  <rth@redhat.com>
 535
 536         PR middle-end/21362
 537         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
 538         labels we want to delete.
 539         (cfg_layout_merge_blocks): Likewise.
 540
 541 2005-07-28  Richard Henderson  <rth@redhat.com>
 542
 543         PR target/17692
 544         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
 545         when expanding to nothing.
 546
 547 2005-07-28  Josh Conner  <jconner@apple.com>
 548
 549         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
 550         (cgraph_decide_inlining_of_small_functions): Likewise.
 551
 552 2005-07-28  Josh Conner  <jconner@apple.com>
 553
 554         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
 555         direction of badness if negative.
 556         (cgraph_default_inline_p): Add reason to parameters, and assign it
 557         a value.
 558         (cgraph_decide_inlining_of_small_functions): New parameter in call
 559         to cgraph_default_inline_p.
 560         (cgraph_decide_inlining_incrementally): Likewise.
 561         * cgraphunit.c (decide_is_function_needed): Likewise.
 562         * cgraph.h (cgraph_default_inline_p): Likewise.
 563
 564 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 565
 566         * builtins.c: Fix comment typo(s).
 567         * genautomata.c: Likewise.
 568         * gimplify.c: Likewise.
 569         * tree-dfa.c: Likewise.
 570         * tree-flow-inline.h: Likewise.
 571         * tree-into-ssa.c: Likewise.
 572         * tree-ssa-alias.c: Likewise.
 573         * tree-ssa-ccp.c: Likewise.
 574         * tree-ssa-copy.c: Likewise.
 575         * tree-ssa-dce.c: Likewise.
 576         * tree-ssa-dom.c: Likewise.
 577         * tree-ssa-operands.c: Likewise.
 578         * tree-tailcall.c: Likewise.
 579         * tree-vectorizer.c: Likewise.
 580         * tree-vrp.c: Likewise.
 581         * tree.c: Likewise.
 582
 583 2005-07-28  Jeff Law  <law@redhat.com>
 584
 585         * tree-vrp.c (test_for_singularity): Extracted from  ...
 586         (simplify_cond_using_ranges): Attempt to simplify a relational
 587         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
 588
 589 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
 590
 591         PR tree-optimization/22506
 592         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
 593         phis whose argument is constant.
 594
 595 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
 596
 597         PR rtl-optimization/18992
 598         Back out this patch:
 599           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 600           PR optimization/12142
 601           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
 602           uses of the register in the SET_SRC.  Remove unnecessary argument.
 603
 604         Replace it with this:
 605         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
 606         if flag_non_call_exceptions is set and the insn may trap, pass
 607         pc_rtx as dest for recursion.
 608         In SET_SRC part of SET case, if dest is already set, pass it down
 609         unchanged.
 610
 611 2005-07-28  Jan Hubicka  <jh@suse.cz>
 612
 613         * cfg.c (update_bb_profile_for_threading): Use RDIV.
 614         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
 615         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
 616         roundoff errors.
 617         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
 618         profile when available.
 619
 620 2005-07-28  Jan Beulich <jbeulich@novell.com>
 621
 622         * config/ia64/ia64.c (ia64_load_pair_ok): New.
 623         (ia64_print_operand): Describe and handle 'X'.
 624         (ia64_register_move_cost): Also handle FP_REGS.
 625         (ia64_preferred_reload_class): Likewise.
 626         (ia64_secondary_reload_class): Likewise.
 627         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
 628         it. Also check for ITANIUM_CLASS_FLDP.
 629         * config/ia64/ia64.h (FP_REGNO_P): New.
 630         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
 631         (reg_class): Add FP_REGS.
 632         (REG_CLASS_NAMES): Adjust for it.
 633         (REG_CLASS_CONTENTS): Likewise.
 634         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
 635         (REG_CLASS_FROM_LETTER): Handle 'x'.
 636         (CLASS_MAX_NREGS): Handle FP_REGS.
 637         (MEMORY_MOVE_COST): Likewise.
 638         * config/ia64/ia64.md (itanium_class): Add fldp.
 639         (type): Handle fldp.
 640         (movti_internal): More allowable operand combinations. Use ldfp8 when
 641         splitting unnecessary. Remove predicable attribute. Adjust
 642         itanium_class attribute.
 643         (smuldi3_highpart): Remove outdated comment.
 644         (mulditi3, umulditi3, rotlti3): New expanders.
 645         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
 646         (absti2): Disabled new insn for future reference.
 647         Respective new splitters.
 648         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
 649         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
 650         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
 651
 652 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
 653
 654         PR rtl-optimization/23047
 655         * simplify-rtx.c (simplify_const_relational_operation): Respect
 656         flag_wrapv for comparisons with ABS.
 657
 658 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
 659
 660         PR tree-optimization/22493
 661         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
 662         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
 663
 664 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
 665
 666         * config/frv/frv.opt (moptimize-membar): New.
 667
 668         * doc/invoke.texi: Document -moptimize-membar and its inverse.
 669
 670         * config/frv/frv.h: Remove machine_function definition.
 671
 672         * config/frv/frv.c (struct frv_io): New.
 673         (struct machine_function): Moved from frv.h.  Add has_membar_p.
 674         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
 675         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
 676         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
 677         (frv_optimize_membar_global, frv_optimize_membar): New functions.
 678         (frv_reorg): Call frv_optimize_membar when appropriate.
 679         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
 680         (frv_expand_builtin): Adjust calls accordingly.
 681         (frv_io_address_cookie): New function.
 682         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
 683         load or store rather than a special insn.  Add ccnstant address and
 684         io-type operands to the membar.
 685         (frv_ifcvt_modify_tests): Unsign regno.
 686         (frv_ifcvt_modify_tests): Same.
 687
 688         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
 689         UNSPEC_OPTIONAL_MEMBAR constant.
 690         (builtin_read_<mode>): Delete.
 691         (builtin_write_<mode>): Delete.
 692         ("optional_membar_<mode>"): Add operand.
 693
 694         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
 695         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
 696         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
 697         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
 698         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
 699         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
 700         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
 701         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
 702         * testsuite/gcc.target/frv/all-read-write-1.c: New.
 703
 704 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
 705
 706         * df.c (df_uses_record): Handle SCRATCH.
 707
 708 2005-07-28  Steven Bosscher  <stevenb@suse.de>
 709
 710         PR debug/20161
 711         * passes.c (rest_of_decl_compilation): If decl is a type and
 712         we have encountered errors, don't emit debug information.
 713
 714 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
 715
 716         * params.def: Fixed comment.
 717
 718 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
 719
 720         PR target/19885
 721         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
 722         (TARGET_ASM_UNALIGNED_HI_OP): Add.
 723         (TARGET_ASM_UNALIGNED_SI_OP): Add.
 724
 725 2005-07-27  Steven Bosscher  <stevenb@suse.de>
 726
 727         PR c++/22003
 728         * varasm.c (assemble_start_function): Don't do anything that may
 729         require a CFG if the current function is a thunk.
 730
 731 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
 732
 733         * doc/install.texi (Prerequisites): Mention that perl is needed
 734         to do export control in libstdc++ targetting Darwin.
 735
 736 2005-07-27  Steven Bosscher  <stevenb@suse.de>
 737
 738         PR rtl-optimization/17808
 739         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
 740         (sched_insns_conditions_mutex_p): Split out from...
 741         (add_dependence): ...here.  But don't call it from here.
 742         (add_dependence_list): Check sched_insns_conditions_mutex_p
 743         before calling add_dependence.
 744         (add_dependence_list_and_free): Likewise.
 745         (fixup_sched_groups): Likewise.
 746         (sched_analyze_1): Likewise.
 747         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
 748         (sched_analyze): Likewise.
 749         (sched_analyze_insn): Likewise.
 750         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
 751         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
 752         dependencies on all COND_EXEC insns to jumps ending basic blocks
 753         when doing intrablock scheduling.
 754         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
 755
 756 2005-07-27  Jeff Law  <law@redhat.com>
 757
 758         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
 759         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
 760         equivalency sets, correctly handle the case were vr0 has an
 761         equivalency set, but vr1 does not.
 762
 763 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
 764
 765         PR tree-optimization/23073
 766         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
 767         vect_print_dump_info before fprintf.
 768
 769 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
 770
 771         PR tree-optimize/22348
 772         * tree-ssa-loop-niter.c (number_of_iterations_cond):
 773         Fold the partial computation.
 774
 775 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
 776
 777         PR tree-optimization/22325
 778         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
 779         Declare.
 780         * tree-scalar-evolution.c (scev_const_prop): Add generic final
 781         value replacement.
 782         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
 783         (force_var_cost): ... this function.
 784         (compute_phi_arg_on_exit): Export.
 785
 786 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
 787
 788         PR tree-optimization/20773
 789         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
 790         edge.
 791
 792 2005-07-27  Richard Guenther  <rguenther@suse.de>
 793
 794         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
 795         Avoid pushing again if current struct contains only
 796         fields we decomposed.
 797
 798 2005-07-27  Jan Hubicka  <jh@suse.cz>
 799
 800         PR tree-optimization/22574
 801         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
 802         not available.
 803
 804         * tree-tailcall.c (decrease_profile): New function.
 805         (eliminate_tail_call): Use it.
 806
 807         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
 808         visibility flags correctly in whole program mode.
 809
 810 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
 811
 812         PR rtl-optimization/22472
 813         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
 814
 815 2005-07-26  Steven Bosscher  <stevenb@suse.de>
 816
 817         PR tree-optimization/22504
 818         * tree-complex.c (expand_complex_addition): Use 'code' instead
 819         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
 820
 821 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
 822
 823         * config.gcc (cpu_type): Add frv case.
 824         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
 825         (supported_defaults): Add fr550 case.
 826
 827 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
 828
 829         PR 22591
 830         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
 831         whether a pointer of type T * may point to objects of type T *.
 832
 833 2005-07-26  DJ Delorie  <dj@redhat.com>
 834
 835         * configure: Regenerate.
 836
 837 2005-07-26  Dale Johannesen  <dalej@apple.com>
 838
 839         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
 840
 841 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
 842
 843         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
 844         Clarify use of "build" in name.
 845
 846 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
 847
 848         * doc/extend.texi (Raw read/write Functions): New section.
 849         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
 850         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
 851         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
 852         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
 853         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
 854         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
 855         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
 856         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
 857         * config/frv/frv.c: Add bdesc_loads global.
 858         Add bdesc_stores global.
 859         (frv_init_builtins): Add support for __builtin_{read/write}*.
 860         (frv_volatile_memref): New.
 861         (frv_expand_load_builtin): New.
 862         (frv_expand_store_builtin): New.
 863         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
 864         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
 865         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
 866         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
 867         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
 868         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
 869         (builtin_read_<mode>): New.
 870         (builtin_write_<mode>): New.
 871         (builtin_write64): New.
 872         (optional_membar_<mode>): New.
 873
 874 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
 875
 876         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
 877         (rather than units) against HOST_BITS_PER_WIDE_INT.
 878
 879 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
 880
 881         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
 882         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
 883         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
 884         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
 885         FSF address.
 886
 887         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
 888         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
 889         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
 890         comment typos.
 891         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
 892
 893 2005-07-26  Richard Guenther  <rguenther@suse.de>
 894
 895         PR tree-optimization/22486
 896         * fold-const.c (fold_unary): Fold away useless component
 897         references of the form (T *)&T.x, if the address
 898         doesn't change.
 899
 900 2005-07-25  James E Wilson  <wilson@specifixinc.com>
 901
 902         * dwarf2out.c (add_call_src_coords_attributes): New.
 903         (gen_inlined_subroutine_die): Call it.
 904         (maybe_emit_file, init_file_table): Add comments.
 905         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
 906         maybe_emit_file.
 907         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
 908         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
 909         * tree.h (BLOCK_SOURCE_LOCATION): New.
 910         (struct tree_block): New field locus.
 911
 912 2005-07-26  Andreas Schwab  <schwab@suse.de>
 913
 914         PR rtl-optimization/23043
 915         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
 916         when allocating a struct unoccr.
 917
 918 2005-07-25  Richard Henderson  <rth@redhat.com>
 919
 920         PR 22626
 921         * tree-complex.c (gate_no_optimization): True if errors.
 922         * Makefile.in (tree-complex.o): Update dependencies.
 923
 924 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
 925
 926         * config/frv/predicates.md (integer_register_operand): Use
 927         GPR_AP_OR_PSEUDO_P.
 928
 929 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
 930
 931         PR tree-opt/22484
 932         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
 933         after fold.
 934         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
 935
 936 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
 937
 938         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
 939         types when flag_unsafe_math_optimizations is true.
 940
 941 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
 942
 943         * gcc.c (option_map): Add --sysroot.
 944         (process_command): Handle --sysroot.
 945         (display_help): Document it.
 946         * doc/cppopts.tex (-isysroot): Document.
 947         * doc/invoke.texi (--sysroot): Document.
 948         * doc/install.texi (--with-build-sysroot): Document.
 949
 950         * Makefile.in (inhibit_libc): New variable.
 951         (INHIBIT_LIBC_CFLAGS): Likewise.
 952         (LIBGCC2_CFLAGS): Include
 953         $(INHIBIT_LIBC_CFLAGS).
 954         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
 955         ($(T)crtbegin.o): Do not use @inhibit_libc@.
 956         ($(T)crtend.o): Likewise.
 957         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
 958         ($(T)crtendS.o): Likewise.
 959         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
 960         ($(T)crtendT.o): Likewise.
 961         (stmp-fixinc): Do not complain about missing headers if
 962         inhibit_libc.
 963         * configure.ac (inhibit_libc): Set it to true/false.
 964         (--with-build-sysroot): New option.  Use it to set
 965         SYSTEM_HEADER_DIR.
 966         * configure: Regenerated.
 967
 968 2005-07-25  Manfred Hollstein  <mh@suse.com>
 969
 970         * calls.c (store_one_arg): Fix unsigned comparison warning.
 971
 972 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
 973
 974         PR other/22337
 975         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
 976         (ggc_print_statistics): Initialize variable before use.
 977
 978 2005-07-25  Richard Guenther  <rguenther@suse.de>
 979
 980         * tree-dfa.c (mark_new_vars_to_rename): Protect against
 981         calling with a PHI_NODE argument.
 982
 983         * tree-flow-inline.h (overlap_subvar): Protect against
 984         possible overflow.
 985
 986 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
 987
 988         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
 989         * configure: Regenerate.
 990
 991 2005-07-25  Ira Rosen  <irar@il.ibm.com>
 992
 993         * expr.c (highest_pow2_factor): Make extern.
 994         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
 995         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
 996         record_array_differ_p, array_ptr_differ_p): Likewise.
 997         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
 998         additional cases. Call the above functions.
 999         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
1000         base_object_differ_p when there are two base objects. Otherwise, compare
1001         base address and offset. Call may_alias_p.
1002         (dump_data_reference): Use a correct field name.
1003         (analyze_array): Make static. Initialize new data-ref fields.
1004         (analyze_indirect_ref): New function.
1005         (init_data_ref): Initialize new data-ref fields.
1006         (strip_conversion): Moved from tree-vect-analyze.c.
1007         (analyze_offset_expr, get_ptr_offset, address_analysis,
1008         object_analysis): Likewise.
1009         (analyze_offset): New function.
1010         (create_data_ref): Likewise.
1011         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
1012         dimensions for ARRAY_REFs only.
1013         (build_classic_dist_vector): Make static.
1014         (access_functions_are_affine_or_constant_p): Call macro to get the
1015         address of access functions.
1016         (compute_all_dependences): Add new parameter
1017         compute_self_and_read_read_dependences. Compute self and read-read
1018         dependences if it is true.
1019         (find_data_references_in_loop): Call create_data_ref. Initialize new
1020         data-ref fields.
1021         (compute_data_dependences_for_loop): Add new parameter
1022         compute_self_and_read_read_dependences. Remove parameter nb_loops,
1023         compute nb_loops. Call compute_all_dependences,
1024         build_classic_dist_vector and build_classic_dir_vector with correct
1025         parameters.
1026         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
1027         with correct parameters. Compare dimensions for ARRAY_REFs only.
1028         (free_data_refs): Call macro to free access functions.
1029         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
1030         fields from stmt_vinfo.
1031         (struct base_object_info): New structure.
1032         (struct data_reference): Move fields to base_object_info. Add fields
1033         first_location and object_info for above structures. Move fields from
1034         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
1035         aligned_to.  Add macros to access the new fields.
1036         Update functions declarations.
1037         * tree-flow.h (is_aliased_with): Declare.
1038         * tree-loop-linear.c (linear_transform_loops): Call
1039         compute_data_dependences_for_loop with correct parameters.
1040         * tree-ssa-alias.c (is_aliased_with): New function.
1041         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
1042         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
1043         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
1044         vect_base_addr_differ_p, compute_subscript_distance and
1045         build_classic_dist_vector. Add printings. Check absolute value of
1046         distance.
1047         (vect_analyze_data_ref_dependences): Go through ddrs instead of
1048         data-refs.
1049         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
1050         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
1051         to bytes. Add printing.
1052         (vect_compute_data_refs_alignment): Go through loads and stores in one
1053         loop.
1054         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
1055         vect_analyze_data_ref_access): Likewise.
1056         (vect_analyze_pointer_ref_access): Remove.
1057         (vect_address_analysis, vect_object_analysis): Likewise.
1058         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
1059         and analyze data-refs in the loop.
1060         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
1061         fields of data-ref instead of stmt. Add init to the offset from the
1062         base.
1063         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
1064         (vect_update_init_of_dr): Likewise.
1065         (vect_update_inits_of_drs): Go through loads and stores in one loop.
1066         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
1067         removed fields.
1068         (new_loop_vec_info): Initialize new fields.
1069         (destroy_loop_vec_info): Free new fields.
1070         (vect_strip_conversion): Remove.
1071         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
1072         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
1073         datarefs. Add new field ddrs.
1074         Add macros for the new fields access.
1075         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
1076         base_aligned_p, misalignment, memtag, ptr_info and subvars.
1077         Remove their macros.
1078         * tree.h (highest_pow2_factor): Declare.
1079
1080 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
1081
1082         * calls.c (store_one_arg): Check for sibling call MEM arguments
1083         from already clobbered incoming argument area.
1084
1085 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1086
1087         * c-common.c (check_missing_format_attribute): New.
1088         * c-common.h (check_missing_format_attribute): Likewise.
1089         * c-typeck.c (convert_for_assignment): Use it.
1090
1091 2005-07-24  Andreas Schwab  <schwab@suse.de>
1092
1093         * config/m68k/m68k.md ("extendqidi2"): When source is an address
1094         register use a word move.  Correct operand of ext.w in 68000 code.
1095
1096 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
1097
1098         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
1099         variables as declarations, rather than definitions.
1100
1101 2005-07-24  Ira Rosen  <irar@il.ibm.com>
1102
1103         PR tree-optimization/22526
1104         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
1105         of the zero node.
1106
1107 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1108
1109         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
1110         that C99 reserve for future use. Use it to define clog10,
1111         clog10f and clog10l.
1112
1113 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1114
1115         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
1116         * configure.ac: Check for -Wmissing-format-attribute.
1117
1118         * configure: Regenerate.
1119
1120 2005-07-23  Richard Henderson  <rth@redhat.com>
1121
1122         PR tree-optimization/22623
1123         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
1124
1125 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
1126
1127         PR target/22577
1128         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
1129
1130 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1131
1132         * Makefile.in (C_TREE_H): Update dependencies.
1133         * c-tree.h: Include toplev.h.
1134         * diagnostic.h (diagnostic_set_info): Add format attribute.
1135         * rtl-error.c (diagnostic_for_asm): Likewise.
1136
1137 2005-07-23  Chao-ying Fu  <fu@mips.com>
1138
1139         * config/mips/mips-dsp.md: New file.
1140         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
1141         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
1142         functions.
1143         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
1144         MIPS_BUILTIN_BPOSGE32.
1145         (mips_expand_builtin_direct): Add one parameter to indicate that
1146         builtin functions need to return a value.
1147         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
1148         functions.
1149         (mips_regno_to_class): Add classes for 12 new DSP registers.
1150         (mips_subword): Change to check four HI registers.
1151         (mips_output_move): Output move to and from 6 new DSP accumulators.
1152         (override_options): Make sure -mdsp and -mips16 are not used together.
1153         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
1154         for machine modes.
1155         (mips_conditional_register_usage): Disable 6 new DSP accumulators
1156         when !TARGET_DSP.
1157         (print_operand): Add 'q' for printing DSP accumulators.
1158         (mips_cannot_change_mode_class): Check ACC_REGS.
1159         (mips_secondary_reload_class): Check ACC_REGS.
1160         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
1161         (mips_register_move_cost): Check ACC_REGS.
1162         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
1163         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
1164         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
1165         (dsp_bdesc): New array.
1166         (bdesc_arrays): Add DSP builtin function table.
1167         (mips_prepare_builtin_arg): Check predicate again after
1168         copy_to_mode_reg.
1169         (mips_expand_builtin): Add one more parameter to
1170         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
1171         MIPS_BUILTIN_BPOSGE32.
1172         (mips_init_builtins): Initialize new function types.
1173         (mips_expand_builtin_direct): Check if builtin functions need to
1174         return a value and pass operands properly.
1175         (mips_expand_builtin_bposge): New function.
1176         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
1177         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
1178         (FIRST_PSEUDO_REGISTER): Increase to 188.
1179         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1180         Update for 12 new DSP registers.
1181         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
1182         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
1183         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
1184         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
1185         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
1186         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
1187         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
1188         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
1189         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
1190         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
1191         (REGISTER_NAMES): Add names for 12 new DSP registers.
1192         * config/mips/mips.md: Include mips-dsp.md.
1193         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
1194         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
1195         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
1196         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
1197         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
1198         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
1199         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
1200         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
1201         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
1202         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
1203         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
1204         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
1205         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
1206         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
1207         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
1208         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
1209         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
1210         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
1211         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
1212         (UNSPEC_RDDSP): New constants.
1213         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
1214         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
1215         A<-d alternative.
1216         * config/mips/mips.opt (-mdsp): New option.
1217         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
1218         (reg_imm10_operand): New predicates.
1219         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
1220         * doc/invoke.texi (-mdsp): Document new option.
1221
1222 2005-07-22  DJ Delorie  <dj@redhat.com>
1223
1224         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
1225         to warning calls.
1226         * tree-inline.c (inlinable_function_p): Likewise.
1227
1228 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
1229
1230         PR debug/21828
1231         * toplev.c (check_global_declarations): Do not mark undefined
1232         variables as DECL_IGNORED_P.
1233         * varasm.c (first_global_object_name): GTY it.
1234         (weak_global_object_name): Likewise.
1235         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
1236         a string to go into {weak,first}_global_object_name.
1237
1238 2005-07-22  DJ Delorie  <dj@redhat.com>
1239
1240         * c-format.c (check_function_format): Change warning control
1241         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
1242
1243 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
1244
1245         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
1246         &PTR->FLD a dereference of PTR.
1247         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
1248         a potential dereference of PTR.
1249
1250 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
1251
1252         PR rtl-optimization/20370
1253         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
1254         call allocate_reg_info if necessary.
1255
1256         PR rtl-optimization/21848
1257         * calls.c (emit_library_call_value_1): For const functions, add
1258         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
1259
1260         PR rtl-optimization/22445
1261         * cselib.c (target.h): Include.
1262         (rtx_equal_for_cselib_p): Allow commutative matches.
1263         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
1264         Remove MODE parameter.  Changed all callers.
1265
1266         PR rtl-optimization/22258
1267         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
1268         New functions.
1269         (try_combine): Use likely_spilled_retval_p.
1270
1271 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
1272
1273         * config.gcc: Add crx-elf support.
1274
1275         * doc/contrib.texi: Mention crx.
1276         * doc/extend.texi: Document crx extensions.
1277         * doc/install.texi: Document crx install.
1278         * doc/invoke.texi: Document crx options.
1279         * doc/md.texi: Document crx constraints.
1280
1281         * config/crx/crx-protos.h: New file.
1282         * config/crx/crx.c: New file.
1283         * config/crx/crx.h: New file.
1284         * config/crx/crx.md: New file.
1285         * config/crx/crx.opt: New file.
1286         * config/crx/t-crx: New file.
1287
1288 2005-07-22  Manfred Hollstein  <mh@suse.com>
1289
1290         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
1291         warnings.
1292         (int_add_graph_edge): Likewise.
1293         (collapse_nodes): Likewise.
1294         (process_unification_queue): Likewise.
1295
1296 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1297             Laurent GUERBY  <laurent@guerby.net>
1298
1299         PR tree-optimization/22336
1300         * function.c (record_block_change): Check for
1301         cfun->ib_boundaries_block.
1302
1303 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
1304
1305         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
1306         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
1307
1308 2005-07-21  DJ Delorie  <dj@redhat.com>
1309
1310         * toplev.c (warn_deprecated_use): Add warning control to warning
1311         call.
1312         * c-typeck.c (parser_build_binary_op): Likewise.
1313         (c_finish_if_stmt): Likewise.
1314         * c-common.c (check_function_sentinel): Likewise.
1315         (check_nonnull_arg): Likewise.
1316
1317 2005-07-21  Richard Henderson  <rth@redhat.com>
1318
1319         PR tree-opt/22504
1320         * tree-complex.c (complex_ssa_name_components): New.
1321         (cvc_lookup): Allow entry not found.
1322         (create_components): Remove.
1323         (create_one_component_var, get_component_var): New.
1324         (get_component_ssa_name, set_component_ssa_name): New.
1325         (extract_component): Use get_component_ssa_name.
1326         (update_complex_components): Use set_component_ssa_name.
1327         (update_complex_components_on_edge): Likewise.
1328         (update_phi_components): Create new PHI nodes directly, instead
1329         of adding insns to edges.
1330         (tree_lower_complex): Allocate and free complex_variable_components
1331         and complex_ssa_name_components here.
1332
1333 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
1334
1335         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
1336         revert to returning false.
1337
1338 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
1339
1340         PR target/21149
1341         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
1342
1343 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
1344
1345         PR target/22576
1346         * config/i386/i386.md (cmpxf): Change operand constraints
1347         to "nonmemory_operand".
1348
1349 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
1350
1351         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
1352
1353 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
1354
1355         PR middle-end/21180
1356         * fold-const.c (fold_build1): Add checksum for the operands.
1357         (fold_build2): Likewise.
1358         (fold_build3): Likewise.
1359
1360 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
1361
1362         PR middle-end/19055
1363         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
1364
1365 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
1366
1367         * common.opt (-fforward-propagate): Committed by mistake,
1368         removed.
1369
1370 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1371
1372         * reg-stack.c: Fix comment typo(s).
1373         * tree-ssa-operands.c: Likewise.
1374         * tree-vectorizer: Likewise.
1375
1376 2005-07-21  Nick Clifton  <nickc@redhat.com>
1377
1378         * config/sh/symbian.c: Replace C++ style line comments with C
1379         style line comments.
1380         (symbian_add_attribute): Do not use a ? operator on the LHS of
1381         an assignment.
1382         (sh_symbian_handle_dll_attribute): Change the type of the
1383         method vector to "VEC(tree,gc)*" and use vector accessor
1384         macros to walk over the elements.
1385         (symbian_export_vtable_and_rtti_p): Likewise.
1386         (symbian_class_needs_attribute_p): Likewise.
1387
1388 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
1389
1390         PR target/22085
1391         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
1392         initialize targetm.resolve_overloaded_builtin here.
1393         (altivec_expand_overloaded_builtin): Make it non-static.
1394         * config/rs6000/rs6000-protos.h
1395         (altivec_expand_overloaded_builtin): New prototype.
1396         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
1397         targetm.resolve_overloaded_builtin here.
1398         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
1399
1400 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
1401             Zdenek Dvorak  <dvorakz@suse.cz>
1402
1403         PR tree-optimization/19210
1404         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
1405         New.
1406         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
1407         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
1408         rely on unproven assumptions.
1409         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
1410         * tree-flow.h (number_of_iterations_exit): Add final parameter.
1411         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
1412         to number_of_iterations_exit.
1413         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
1414         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
1415         * tree-ssa-loop-niter.c (find_loop_niter,
1416         estimate_numbers_of_iterations_loop): Likewise.
1417         (number_of_iterations_exit): Honor the new options.
1418         * doc/invoke.texi (Wunsafe-loop-optimizations,
1419         funsafe-loop-optimizations): Document them.
1420
1421 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
1422
1423         PR rtl-optimization/22167
1424         * gcse.c (hoist_code): Fix hoist_exprs[] check.
1425
1426 2005-07-20  Adam Nemet  <anemet@lnxw.com>
1427
1428         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
1429         __do_global_dtors_aux longcall.
1430
1431 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
1432
1433         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
1434         (old_special_pred_table): Don't reference
1435         SPECIAL_MODE_PREDICATES.
1436         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
1437         * config/arc/arc.h: Don't mention PREDICATE_CODES.
1438         * config/sh/predicates.h: Don't mention
1439         SPECIAL_MODE_PREDICATES.
1440         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
1441         Remove.
1442
1443 2005-07-20  DJ Delorie  <dj@redhat.com>
1444
1445         * config.gcc: Add m32c-elf support.
1446
1447         * doc/contrib.texi: Mention m32c.
1448         * doc/extend.texi: Document m32c extensions.
1449         * doc/install.texi: Mention m32c.
1450         * doc/invoke.texi: Document m32c options.
1451         * doc/md.texi: Document m32c constraints.
1452
1453         * config/m32c/addsub.md: New file.
1454         * config/m32c/bitops.md: New file.
1455         * config/m32c/cond.md: New file.
1456         * config/m32c/jump.md: New file.
1457         * config/m32c/m32c-lib1.S: New file.
1458         * config/m32c/m32c-lib2.c: New file.
1459         * config/m32c/m32c-modes.def: New file.
1460         * config/m32c/m32c-pragma.c: New file.
1461         * config/m32c/m32c-protos.h: New file.
1462         * config/m32c/m32c.abi: New file.
1463         * config/m32c/m32c.c: New file.
1464         * config/m32c/m32c.h: New file.
1465         * config/m32c/m32c.md: New file.
1466         * config/m32c/m32c.opt: New file.
1467         * config/m32c/minmax.md: New file.
1468         * config/m32c/mov.md: New file.
1469         * config/m32c/muldiv.md: New file.
1470         * config/m32c/predicates.md: New file.
1471         * config/m32c/prologue.md: New file.
1472         * config/m32c/shift.md: New file.
1473         * config/m32c/t-m32c: New file.
1474
1475 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1476
1477         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
1478         (stack_protect_set, stack_protect_test): New expanders.
1479         (stack_protect_set_si, stack_protect_set_si_media,
1480         stack_protect_set_di_media, stack_protect_test_si,
1481         stack_protect_test_si_media, stack_protect_test_di_media):
1482         New insns.
1483
1484 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
1485
1486         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
1487
1488 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
1489
1490         * tree.h (tree_expr_nonzero_p): Export.
1491         * fold-const.c (tree_expr_nonzero_p): Likewise.
1492         Return true for CALL_EXPRs that are alloca calls.
1493         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
1494         against zero.
1495         * tree-flow.h (expr_computes_nonzero): Remove.
1496         * tree-vrp.c (expr_computes_nonzero): Remove.
1497         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
1498         (extract_range_from_unary_expr): Likewise.
1499         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
1500         tree_expr_nonzero_p.
1501
1502 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1503
1504         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
1505         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
1506         extra arg "picreg" and use it instead of pic_offset_table_rtx.
1507         All callers changed.
1508         (frame_related_constant_load): New arg "related" which controls
1509         setting of RTX_FRAME_RELATED_P.  All callers changed.
1510         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
1511         (bfin_expand_prologue): Add stack limit checking.
1512         * config/bfin/bfin.md (trapifcc): New pattern.
1513
1514         * config/bfin/bfin.c: Include "langhooks.h".
1515         (def_builtin): Go through lang_hooks to call builtin_function.
1516
1517         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
1518         * config/bfin/predicates.md (symbol_ref_operand): New.
1519         (call_insn_operand): Delete.  All callers changed to use
1520         register_no_elim_operand.
1521         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
1522         call_cookie field.
1523         (function_arg): Use it to generate the call's operand 2.
1524         (bfin_longcall_p): New function.
1525         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
1526         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
1527         determine if the address needs to be in a REG.
1528         (bfin_handle_longcall_attribute): New function.
1529         (bfin_attribute_table): Add "longcall" and "shortcall".
1530         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
1531         (CUMULATIVE_ARGS): New member call_cookie.
1532         (PREDICATE_CODES): Add symbol_ref_operand.
1533         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
1534         extra USE to the pattern.
1535         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
1536         New patterns, split off call_insn, sibcall_insn, call_value_insn and
1537         sibcall_value_insn; now the new patterns handle direct calls and the
1538         old ones indirect calls.
1539         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
1540
1541 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
1542
1543         * doc/trouble.texi: Update section on handling of empty loops.
1544
1545 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
1546
1547         * config.gcc: Remove support for sparc-*-openbsd*,
1548         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
1549         ns32k-*-netbsd*.
1550         * config.host: Remove support for i860-*-sysv4* as a host.
1551         * config/i860/*, config/ip2k/*, config/ns32k/*,
1552         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
1553         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
1554         mention obsolete ports.
1555
1556 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1557
1558         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
1559         soft frame pointer.
1560         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
1561         of frame_pointer_rtx.
1562         (sh_expand_epilogue): Likewise.
1563         (sh_set_return_address): Likewise.
1564         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
1565         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
1566         offsets from FRAME_POINTER_REGNUM.
1567         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
1568         (sh_register_names): Add initializer for sfp.
1569         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
1570         (VALID_REGISTER_P): Likewise.
1571         (FIRST_PSEUDO_REGISTER): Update.
1572         (DWARF_FRAME_REGISTERS): Define.
1573         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
1574         (HARD_FRAME_POINTER_REGNUM): Define.
1575         (FRAME_POINTER_REGNUM): Redefine.
1576         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
1577         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
1578         from FRAME_POINTER_REGNUM.
1579         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
1580         FRAME_POINTER_REGNUM.
1581         (REG_CLASS_CONTENTS): Add sfp.
1582         (REG_ALLOC_ORDER): Likewise.
1583         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
1584         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
1585         of frame_pointer_rtx.
1586         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1587
1588 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
1589
1590         * fold-const.c (tree_expr_nonnegative_p): Only return true for
1591         ABS_EXPR when flag_wrapv is false because of INT_MIN.
1592         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
1593         of an ABS_EXPR.
1594         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
1595         ABS_EXPR<x>.
1596
1597 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
1598
1599         Make CONSTRUCTOR use VEC to store initializers.
1600         * c-common.c (complete_array_type): Update to cope with VEC in
1601         CONSTRUCTOR_ELTS.
1602         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
1603         (pp_c_constructor_elts): New function.
1604         * c-pretty-print.h (pp_c_constructor_elts): Declare.
1605         * c-typeck.c (build_function_call, build_c_cast, digest_init,
1606         struct constructor_stack, struct initializer_stack,
1607         constructor_elements, push_init_level, pop_init_level,
1608         add_pending_init, find_init_member, output_init_element): Update to
1609         cope with VEC in CONSTRUCTOR_ELTS.
1610         * coverage.c (build_fn_info_value, build_ctr_info_value,
1611         build_gcov_info): Likewise.
1612         * expr.c (categorize_ctor_elements_1, store_constructor,
1613         expand_expr_real_1): Likewise.
1614         * fold-const.c (fold_ternary): Likewise.
1615         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
1616         gimplify_init_constructor, gimplify_expr): Likewise.
1617         * tree-dump.c (dequeue_and_dump): Likewise.
1618         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
1619         node.
1620         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
1621         CONSTRUCTOR_ELTS.
1622         * tree-sra.c (generate_element_init_1): Likewise.
1623         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
1624         * tree-ssa-operands.c (get_expr_operands): Likewise.
1625         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
1626         * tree-vect-transform.c (vect_get_vec_def_for_operand):
1627         (get_initial_def_for_reduction): Likewise.
1628         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
1629         value handle in annotations.
1630         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
1631         tree_node_structure): Add support for constr_kind.
1632         (build_vector_from_ctor, build_constructor_single,
1633         build_constructor_from_list): New functions.
1634         (build_constructor): Update to take a VEC instead of a TREE_LIST.
1635         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
1636         Update to cope with VEC in CONSTRUCTOR_ELTS.
1637         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
1638         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
1639         CONSTRUCTOR_APPEND_ELT): New macros.
1640         (struct constructor_elt, struct tree_constructor): New data types.
1641         (union tree_node): Add tree_constructor field.
1642         * treestruct.def: Define TS_CONSTRUCTOR.
1643         * varasm.c (const_hash_1, compare_constant, copy_constant,
1644         compute_reloc_for_constant, output_addressed_constants,
1645         initializer_constant_valid_p, output_constant,
1646         array_size_for_constructor, output_constructor): Update to cope with
1647         VEC in CONSTRUCTOR_ELTS.
1648         * vec.h (VEC_empty, VEC_copy): New macros.
1649
1650 2005-07-19  Devang Patel  <dpatel@apple.com>
1651
1652         * dbxout.c (dbxout_type): Check Objective-C++ lang.
1653
1654 2005-07-19  Richard Henderson  <rth@redhat.com>
1655
1656         PR tree-opt/22278
1657         * gimplify.c (gimplify_expr): Use main variant type for the temp
1658         destination for a discarded volatile read.
1659         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
1660         casts between non-void types that change volatility.
1661
1662 2005-07-15  DJ Delorie  <dj@redhat.com>
1663
1664         * toplev.h: Add comment about the first parameter for warning().
1665         * errors.h: Likewise.
1666
1667         * c.opt (Wpragmas): New.
1668         * doc/invoke.texi: Document it.
1669
1670         * function.c (do_warn_unused_parameter): Add warning control to
1671         warning call.
1672         * c-decl.c (warn_if_shadowing): Likewise.
1673         * c-lex.c (cb_def_pragma): Likewise.
1674         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
1675         (pop_alignment): Likewise.
1676         (handle_pragma_pack): Likewise.
1677         (apply_pragma_weak): Likewise.
1678         (handle_pragma_weak): Likewise.
1679         (handle_pragma_redefine_extname): Likewise.
1680         (add_to_renaming_pragma_list): Likewise.
1681         (handle_pragma_extern_prefix): Likewise.
1682         (maybe_apply_renaming_pragma): Likewise.
1683         (handle_pragma_visibility): Likewise.
1684
1685         * config/c4x/c4x-c.c (BAD): Likewise.
1686         (c4x_parse_pragma): Likewise.
1687         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
1688         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
1689         (rs6000_pragma_longcall): Likewise.
1690         * config/v850/v850-c.c (pop_data_area): Likewise.
1691         (ghs_pragma_section): Likewise.
1692         (ghs_pragma_section): Likewise.
1693         (ghs_pragma_interrupt): Likewise.
1694         (ghs_pragma_starttda): Likewise.
1695         (ghs_pragma_startsda): Likewise.
1696         (ghs_pragma_startzda): Likewise.
1697         (ghs_pragma_endtda): Likewise.
1698         (ghs_pragma_endsda): Likewise.
1699         (ghs_pragma_endzda): Likewise.
1700
1701 2005-07-19  Danny Berlin <dberlin@dberlin.org>
1702             Kenneth Zadeck <zadeck@naturalbridge.com>
1703
1704         * Makefile.in: Removed tree-promote-statics.c
1705         * tree-promote-statics.c: Removed.
1706         * common.opt: Removed flag-promote-statics.
1707         * opts.c: Ditto.
1708         * passes.c: Removed tree-promote-statics pass.
1709         * tree-pass.h: Ditto.
1710         * timevar.def: Removed TV_PROMOTE_STATICS.
1711
1712
1713 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
1714
1715         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
1716         and *-*-freebsd9.
1717         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
1718
1719 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1720
1721         PR c/22476
1722         * c-common.c (check_function_arguments): Call
1723         'check_function_format' if either -Wformat or
1724         -Wmissing-format-attribute are specified.
1725         * c-format.c (check_function_format): Check -Wformat before
1726         calling 'check_format_info'.
1727         * c-opts.c (c_common_post_options): Don't warn for
1728         -Wmissing-format-attribute without -Wformat.
1729         * c-typeck.c (convert_for_assignment): Detect additional cases for
1730         -Wmissing-format-attribute.
1731         * doc/invoke.texi (-Wmissing-format-attribute): Document new
1732         behavior.
1733
1734 2005-07-19  Richard Guenther  <rguenther@suse.de>
1735
1736         * config/i386/i386.md (lrint<mode>2): Use temporary
1737         instead of clobbering non-existent memory.
1738
1739 2005-07-19  Nick Clifton  <nickc@redhat.com>
1740
1741         * config/avr/avr.c (legitimate_address_p): Fix debugging print
1742         statement to avoid displaying ASCII control characters.
1743
1744 2005-07-19  Ben Elliston  <bje@au.ibm.com>
1745
1746         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
1747         * cfganal.c (find_edge_index): Ditto.
1748         * combine.c (combine_instructions): Ditto.
1749         * ddg.c (create_scc): Ditto.
1750         (find_successors): Ditto.
1751         (find_predecessors): Ditto.
1752         (find_nodes_on_paths): Ditto.
1753         (longest_simple_path): Ditto.
1754         * flow.c (update_life_info): Ditto.
1755         (count_or_remove_death_notes): Ditto.
1756         (clear_log_links): Ditto.
1757         * modulo-sched.c (generate_reg_moves): Ditto.
1758         (find_max_asap): Ditto.
1759         (find_max_hv_min_mob): Ditto.
1760         (find_max_dv_min_mob): Ditto.
1761         * sbitmap.c (sbitmap_first_set_bit): Ditto.
1762         * sched-rgn.c (extract_edgelst): Ditto.
1763         * tree-into-ssa.c (prepare_names_to_update): Ditto.
1764         (dump_update_ssa): Ditto.
1765         (ssa_names_to_replace) Ditto.
1766         (switch_virtuals_to_full_rewrite): Ditto.
1767         (update_ssa): Ditto.
1768         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
1769
1770 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
1771
1772         Fix PR tree-optimization/22483
1773
1774         * tree-complex.c (create_components): Use
1775         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
1776         * tree-flow-inline.h (fill_referenced_var_vec): New function.
1777         * tree-flow.h (safe_referenced_var_iterator): New structure.
1778         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
1779         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
1780         safe_referenced_var iterator.
1781         (add_type_alias): Ditto.
1782
1783 2005-07-19  Steven Bosscher  <stevenb@suse.de>
1784
1785         * loop-init.c (rest_of_handle_loop2): Remove.
1786         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
1787         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
1788         (pass_rtl_loop_init, pass_rtl_loop_done,
1789         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
1790         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
1791         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
1792         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
1793         pass_tree_loop_done, and pass_tree_unswitch.
1794         (gate_loop): Rename to gate_tree_loop.
1795         * passes.c (init_optimization_passes): Update for renamed tree
1796         loop passes.  Add the new loop2 passes as subpasses of loop2.
1797         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
1798         Update for the renamed tree loop passes.
1799
1800 2005-07-18  Ian Lance Taylor  <ian@airs.com>
1801
1802         PR middle-end/22057
1803         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
1804         blocks when optimizing.
1805
1806 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
1807
1808         * common.opt (frename-registers): Initialize to 2.
1809         (fweb): Ditto.
1810         (fgcse-after-reload): Ditto.
1811         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
1812         (process_options): Only change flag_web, flag_rename_registers,
1813         and flag_rerun_cse_after_loop if not explicitly set by user.
1814
1815 2005-07-18  Jan Beulich  <jbeulich@novell.com>
1816
1817         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
1818         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
1819         in 64-bit mode the same as DImode in 32-bit mode.
1820         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
1821         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
1822         mode. Add new mode parameter.
1823         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
1824         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
1825         x86_64_shift_adj): New expanders.
1826         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
1827         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
1828         insns.
1829         Respective new splitters. Use renamed shift splitter helpers in 32-bit
1830         DImode shift splitters.
1831         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
1832         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
1833         mode parameter.
1834
1835 2005-07-18  Jan Beulich  <jbeulich@novell.com>
1836
1837         * i386.md (movdi_extzv_1): New.
1838         (zero_extendhidi2): Combine alternatives and never force use of
1839         REX64 prefix.
1840         (zero_extendqidi2): Likewise. Don't restrict input selection.
1841
1842 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
1843
1844         Fix PR tree-optimization/22531
1845         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
1846          moment.
1847
1848 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
1849
1850         * tree-promote-statics.c (pass_promote_statics): Change dump file
1851          name.
1852
1853 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
1854
1855         * tree-optimize.c (init_tree_optimization_passes): Add
1856         pass_eliminate_useless_stores pass.
1857         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
1858         * tree-ssa-pre.c (is_copy_stmt): New function.
1859         (follow_copies_till_vuse): Ditto.
1860         (do_eustores): Ditto.
1861         (gate_eustores): Ditto.
1862
1863 2005-07-16  Richard Henderson  <rth@redhat.com>
1864
1865         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
1866
1867 2005-07-16 Danny Berlin <dberlin@dberlin.org>
1868            Kenneth Zadeck <zadeck@naturalbridge.com>
1869
1870         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
1871         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
1872         ipa-type-escape.h, tree-promote-statics.c
1873         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
1874         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
1875         tree-promote-statics.c: new files.
1876         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
1877         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
1878         int nonlocal_set_p, mark_constant_function): Deleted.
1879         (rest_of_handle_cfg): Removed call to mark_constant_function.
1880         (nonoverlapping_component_refs_p): Added calls to support
1881         type based aliasing.
1882         * tree-ssa-alias.c (may_alias_p,
1883         compute_flow_insensitive_aliasing): Ditto.
1884         * calls.c (flags_from_decl_or_type): Removed reference to
1885         cgraph_rtl_info.
1886         * c-typeck.c (convert_arguments): Make builtins tolerant of having
1887         too many arguments.  This is necessary for Spec 2000.
1888         * cgraph.h (const_function, pure_function): Removed.
1889         * common.opt: Added "fipa-pure-const", "fipa-reference",
1890         "fipa-type-escape", and "ftree-promote-static".
1891         * opts.c: Ditto.
1892         * passes.c: Added ipa and tree-promote-statics passes.
1893         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
1894         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
1895         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
1896         * tree-flow.h: Added exposed sra calls and addition of
1897         reference_vars_info field for FUNCTION_DECLS.
1898         * tree-pass.h: Added passes.
1899         * tree-sra.c: (sra_init_cache): New function.
1900         (sra_insert_before, sra_insert_after) Made public.
1901         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
1902         and made public.
1903         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
1904         aliasing. (may_alias_p): Added code to use type escape analysis to
1905         improve alias sets.
1906         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
1907         code to prune clobbers of static variables based on information
1908         produced in ipa-reference pass.  Changed call clobbering so that
1909         statics are not marked as clobbered if the call does not clobber
1910         them.
1911
1912 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
1913
1914         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
1915         too.
1916
1917 2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
1918
1919         * doc/install.texi (*-*-solaris2*): Document recommended version
1920         of GNU binutils and mention GNU linker problem on Solaris 10.
1921
1922 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
1923
1924         PR c/22421
1925         * c-decl.c (c_build_bitfield_integer_type): New function.
1926         (finish_struct): Call it.
1927         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
1928
1929 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1930
1931         * c-typeck.c (digest_init): Call 'convert_for_assignment'
1932         before returning.
1933
1934 2005-07-16  Jan Hubicka  <jh@suse.cz>
1935
1936         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
1937         (scale_bbs_frequencies_int): Watch roundoff errors.
1938         * predict.c (return_prediction): Initialize return_stmt.
1939
1940 2005-07-16  Jan Hubicka  <jh@suse.cz>
1941
1942         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
1943         after RTL profiling.
1944
1945 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
1946
1947         PR middle-end/22398
1948         * fold-const.c (build_range_check): Convert high/low to etype
1949         if we are only comparing against exp.
1950
1951 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
1952
1953         Fix PR tree-optimization/22376
1954         * tree-ssa-structalias.c (build_constraint_graph): We really meant
1955         special var here.
1956         (need_to_solve): New function.
1957         (compute_points_to_sets): Use it.
1958
1959 2005-07-15  Jan Hubicka  <jh@suse.cz>
1960
1961         * cfg.c (update_bb_profile_for_threading): More diagnostic.
1962         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
1963
1964 2005-07-15  Richard Guenther  <rguenther@suse.de>
1965
1966         * c-common.c (handle_flatten_attribute): New function.
1967         Add flatten function attribute.
1968         * doc/extend.texi: Document flatten function attribute.
1969         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
1970         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
1971         New functions.
1972         (cgraph_decide_inlining): Handle functions with flatten
1973         attribute.
1974
1975 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
1976
1977         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
1978         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
1979         UNSPEC_XCHG, UNSPEC_AND): New.
1980         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
1981         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
1982         * config/rs6000/sync.md (FETCHOP): New code macro.
1983         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
1984         New code attrs.
1985         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
1986         (sync_compare_and_swap<mode>): Same.
1987         (sync_lock_test_and_set<mode>): Same.
1988         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
1989         for QImode and HImode, and not PPC405.
1990         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
1991         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
1992         (sync_<fetchop>{si,di}_internal): New.
1993         (sync_nand{si,di}_internal): New.
1994         (sync_old_<fetchop>{si,di}_internal): New.
1995         (sync_old_nand{si,di}_internal): New
1996         (sync_new_<fetchop>{si,di}_internal): New.
1997         (sync_new_nand{si,di}_internal): New.
1998         (atomic_and{si,di}): New.
1999         (sync_new_nand{si,di}_internal): New.
2000         (atomic_and{si,di}): New.
2001         (sync_add<mode>_internal): Delete.
2002         (sync_addshort_internal): Use unspec instead of unspec_volatile.
2003         (sync_sub<mode>_internal): Delte.
2004         (sync_subshort_internal): New.
2005         (sync_andsi_internal): Use unspec instead of unspec_volatile.
2006         (sync_anddi_internal): Delete.
2007         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
2008         (sync_booldi_internal): Delete.
2009         (sync_boolc<mode>_internal): Delete.
2010         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
2011         (sync_boolc<mode>_internal2): Delete.
2012         (sync_boolcc<mode>_internal): Delete.
2013         (isync, lwsync): Use unspec instead of unspec_volatile.
2014         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
2015         Revert UNSPEC_VOLATILE.
2016         (rs6000_split_atomic_op): New.
2017         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
2018
2019 2005-07-14  Eric Christopher  <echristo@redhat.com>
2020
2021         * config/mips/mips.c (mips_canonicalize_comparison): Cast
2022         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
2023
2024 2005-07-14  Eric Christopher  <echristo@redhat.com>
2025
2026         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
2027
2028 2005-07-14  Steven Bosscher  <stevenb@suse.de>
2029
2030         PR tree-optimization/22230
2031         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
2032         the computation of the four cross productions for "range op range".
2033
2034 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
2035             Ulrich Weigand  <uweigand@de.ibm.com>
2036
2037         PR target/20126
2038         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
2039         in some insn.
2040
2041 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
2042
2043         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
2044
2045 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
2046
2047         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
2048
2049 2005-07-14  Richard Guenther  <rguenther@suse.de>
2050
2051         PR middle-end/22347
2052         * config/i386/i386-protos.h (ix86_function_value): Change
2053         prototype to match new target hook.
2054         * config/i386/i386.c (ix86_value_regno): Change prototype
2055         to take extra type argument.
2056         (TARGET_FUNCTION_VALUE): Define.
2057         (ix86_function_ok_for_sibcall): Pass extra argument to
2058         ix86_value_regno, check return slot rtx for exact match.
2059         (ix86_function_value): Take extra parameter.  Dispatch to
2060         ix86_value_regno with fndecl/fntype as provided.
2061         (ix86_value_regno): Handle extra type argument.
2062         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
2063
2064         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
2065         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
2066         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
2067         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
2068         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
2069
2070 2005-07-14  Richard Guenther  <rguenther@suse.de>
2071
2072         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
2073         * calls.c (expand_call): Pass fntype to hard_function_value.
2074         (emit_library_call_value_1): Likewise.
2075         * explow.c: Include target.h.
2076         (hard_function_value): Take extra argument, the fntype.
2077         Use new target hook for function_value.
2078         * expr.h (hard_function_value): Change prototype.
2079         * function.c (aggregate_value_p): Pass 0 as fntype to
2080         hard_function_value.
2081         (assign_parms): Use new target hook for function_value.
2082         Pass 0 as fntype to hard_function_value.
2083         (expand_function_end): Likewise.
2084         * reg-stack.c: Include target.h.
2085         (stack_result): Use new target hook for function_value.
2086         * target-def.h: New target hook function_value.
2087         * target.h: Likewise.
2088         * targhooks.c (default_function_value): New function.
2089         * targhooks.h (default_function_value): Declare.
2090
2091 2005-07-13  Ian Lance Taylor  <ian@airs.com>
2092
2093         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2094
2095 2005-07-14  Jan Hubicka  <jh@suse.cz>
2096
2097         * tree-dfa.c (dump_variable): Use default_def function.
2098         * tree-ssa-alias.c (dump_points_to_info): Likewise.
2099         * tree-ssa.c (verify_use): Likewise.
2100         * tree-ssanames.c (release_ssa_name): Likewise.
2101         * tree-tailcall.c (eliminate_tail_call): Likewise.
2102         (tree_optimize_tail_calls_1): Likewise.
2103         * tree-vrp.c (get_value_range): Likewise.
2104
2105 2005-07-14  Ben Elliston  <bje@au.ibm.com>
2106
2107         * gcc.c (main): Compare language[0] with '*' when iterating over
2108         the infiles.
2109
2110 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
2111
2112         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
2113         "s390_emit_compare".  Add handling of CCZ1mode.
2114         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
2115         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
2116         checking.
2117         (s390_branch_condition_mask): Add CCZ1mode handling.
2118         * config/s390/s390.md: ("seq", "*seq"): New pattern.
2119         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
2120         Use CCZ1mode instead of CCZmode.
2121         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
2122
2123 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
2124
2125         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
2126         pattern.
2127         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
2128
2129 2005-07-13  Eric Christopher  <echristo@redhat.com>
2130
2131         * config/mips/mips.c (mips_canonicalize_comparison): New.
2132         (mips_emit_int_relational): Use.
2133
2134 2005-07-13  Eric Christopher  <echristo@redhat.com>
2135
2136         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
2137         static extra parts.
2138         * config/s390/s390.md: Include tpf.md. Move tpf specific
2139         patterns...
2140         * config/s390/tpf.md: To here.
2141         * config/s390/s390.opt: Move tpf specific options...
2142         * config/s390/tpf.opt: to here. Add mmain option.
2143         * config/s390/tpf-unwind.h: Remove unnecessary defines.
2144         * config/s390/tpf.h: Rewrite.
2145
2146 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
2147
2148         * doc/tm.texi: Remove @xref{Cross-profiling}.
2149
2150 2005-07-13  Jeff Law  <law@redhat.com>
2151
2152         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
2153         expressions, test their _DECL operands for pointer equality rather
2154         than using operand_equal_p.
2155
2156 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
2157
2158         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
2159         (TARGET_POSIX_IO): This.
2160         * config/darwin.h: Likewise.
2161         * config/freebsd.h: Likewise.
2162         * config/linux.h: Likewise.
2163         * config/lynx.h: Likewise.
2164         * config/netbsd.h: Likewise.
2165         * config/rs6000/linux64.h: Likewise.
2166         * config/rs6000/linux.h: Likewise.
2167         * config/s390/tpf.h: Likewise.
2168         * config/sh/embed-elf.h: Likewise.
2169         * config/sparc/linux64.h: Likewise.
2170         * config/sparc/linux.h: Likewise.
2171         * config/svr4.h: Likewise.
2172         * gcov-io.h: Likewise.
2173
2174         * doc/tm.texi: Updated.
2175
2176         * libgcov.c (create_file_directory): Defined only if
2177         TARGET_POSIX_IO is defined.
2178         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
2179         is defined.
2180
2181 2005-07-13  Jan Hubicka  <jh@suse.cz>
2182
2183         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
2184
2185 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
2186
2187         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
2188         structure as argument.
2189
2190 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
2191
2192         PR tree-optimization/21921
2193         * tree-iterator.c (tsi_link_before): Support the case when
2194         tsi_end_p (tsi) == true.
2195
2196 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
2197
2198         PR tree-optimization/22442
2199         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
2200         correctly.
2201
2202 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
2203
2204         PR rtl-optimization/20376
2205         * toplev.c (process_options): Enable -fweb and -frename-registers when
2206         unrolling.
2207         * doc/invoke.texi: Update the information about when -fweb and
2208         -frename-registers are enabled.
2209
2210 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
2211
2212         PR tree-opt/21840
2213         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
2214         if *rhs_p is not a SSA_NAME.
2215
2216 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
2217
2218         Fix PR tree-optimization/22422
2219         * tree-ssa-structalias.c (struct variable_info): Add flag for
2220         special vars.
2221         (get_varinfo): Now a static function.
2222         (new_varinfo): init has_union and is_special_var to false.
2223         (solution_set_add): Check has_union.
2224         (do_da_constraint): Move temporary variable so it gets reset
2225         properly.
2226         Also check for special variable.
2227         (do_ds_constraint): Ditto.
2228         (do_sd_constraint): Ditto.
2229         (do_structure_copy): Check for special variable.
2230         (find_func_aliases): Ditto.
2231         (init_base_vars): Set special vars properly.
2232
2233 2005-07-13  Jan Hubicka  <jh@suse.cz>
2234
2235         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
2236         do unit-at-a-time.
2237
2238         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
2239         (get_expr_operands): Fix thinko wrt flags and subvars.
2240
2241         PR tree-optimize/22379
2242         * tree-inline.c (expand_call_inline): Do not output sorry in early
2243         inlining.
2244
2245 2005-07-12  Dale Johannesen  <dalej@apple.com>
2246
2247         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
2248
2249 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
2250
2251         PR bootstrap/21704
2252         * host-linux.h: Include limits.h.
2253
2254 2005-07-12  Dale Johannesen  <dalej@apple.com>
2255
2256         * expr.c (compress_float_constant):  Add cost check.
2257         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
2258
2259 2005-07-12  Dale Johannesen  <dalej@apple.com>
2260
2261         * gcc.target/i386/compress-float-sse.c:  New.
2262         * gcc.target/i386/compress-float-sse-pic.c:  New.
2263         * gcc.target/i386/compress-float-387.c:  New.
2264         * gcc.target/i386/compress-float-387-pic.c:  New.
2265         * gcc.dg/compress-float-ppc.c:  New.
2266         * gcc.dg/compress-float-ppc-pic.c:  New.
2267
2268 2005-07-12  Eric Christopher  <echristo@redhat.com>
2269
2270         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
2271         static extra parts.
2272         * config/s390/s390.md: Include tpf.md. Move tpf specific
2273         patterns...
2274         * config/s390/tpf.md: To here.
2275         * config/s390/s390.opt: Move tpf specific options...
2276         * config/s390/tpf.opt: to here. Add mmain option.
2277         * config/s390/tpf-unwind.h: Remove unnecessary defines.
2278         * config/s390/tpf.h: Rewrite.
2279
2280 2005-07-12  Eric Christopher  <echristo@redhat.com>
2281
2282         * gcc.c (struct infile): Update comment for language.
2283         (main): Rewrite input file resetting code.
2284
2285 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
2286
2287         PR tree-opt/22335
2288         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
2289         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
2290         (lookup_avail_expr): Use constant_boolean_node instead
2291         of boolean_false_node/boolean_true_node.
2292
2293 2005-07-12  Ben Elliston  <bje@au.ibm.com>
2294
2295         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
2296         and use it when printing num_edges.
2297
2298 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2299
2300         * doc/extend.texi (Blackfin Built-in Functions): New section.
2301         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
2302         @opindex.
2303
2304 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
2305
2306         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
2307         s/cmpstrsi/cmpstrnsi
2308         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
2309         'cmpstrnsi'.
2310         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
2311         (init_optabs): Initialize cmpstrn_optab.
2312         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
2313         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
2314         * expr.c: (enum insn_code cmpstrn_optab): Declare.
2315         * config/i386/i386.md: s/cmpstr/cmpstrn
2316         * config/c4x/c4x.md: s/cmpstr/cmpstrn
2317         * doc/md.texi: Update documentation.
2318
2319 2005-07-11  Richard Henderson  <rth@redhat.com>
2320
2321         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
2322         build_va_arg_indirect_ref.
2323         (alpha_gimplify_va_arg): Likewise.
2324         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2325         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
2326         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
2327         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2328         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
2329         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
2330         Likewise.
2331         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
2332
2333 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
2334
2335         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
2336         * passes.c (init_optimization_passes): Add pass_empty_loop.
2337         * tree-pass.h (pass_empty_loop): Declare.
2338         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
2339         try_remove_empty_loop, remove_empty_loops): New functions.
2340         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
2341         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
2342
2343 2005-07-12  Peter Barada  <peter@the-baradas.com>
2344
2345         PR middle-end/16719
2346         PR middle-end/18421
2347         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
2348         in address registers.
2349         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
2350         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
2351         alternative of addsi3_5200.
2352
2353 2005-07-11  Ian Lance Taylor  <ian@airs.com>
2354
2355         * config/mips/mips.md (ffs<mode>2): Remove.
2356
2357 2005-07-11  Ian Lance Taylor  <ian@airs.com>
2358
2359         * doc/tree-ssa.texi (Cleanups): Improve description of
2360         TRY_FINALLY_EXPR.
2361         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
2362
2363 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
2364
2365         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
2366         * tree.h (DECL_ARGUMENT_FLD): New macro.
2367
2368 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
2369
2370         Fix PR tree-optimization/22404
2371
2372         * tree-ssa-structalias.c (create_variable_info_for): Use
2373         correct offset.
2374
2375 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2376
2377         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
2378         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
2379         for second comparison operand.
2380         * config/bfin/predicates.md (reg_or_const_int_operand): New.
2381
2382         * config/bfin/bfin.md (define_attr "type"): Add "sync".
2383         (define_insn_reservation "alu"): Likewise.
2384         (csync, ssync): Now of type sync.
2385         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
2386         -mcsync-anomaly -mspecld-anomaly.
2387         * config/bfin/bfin.opt (mcsync): Remove.
2388         (mcsync-anomaly, mspecld-anomaly): Add.
2389         * config/bfin/bfin.c: Include "insn-codes.h".
2390         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
2391         (TARGET_DEFAULT_TARGET_FLAGS): New.
2392         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
2393
2394 2005-07-11  Steven Bosscher  <stevenb@suse.de>
2395
2396         * basic-block.h: Give the BB flags enum a name, bb_flags.
2397         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
2398         * cfgcleanup.c (enum bb_flags): Remove here.
2399         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
2400         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
2401         (update_forwarder_flag): Likewise.
2402         (thread_jump): Likewise.
2403         (try_forward_edges): Likewise.
2404         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
2405         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
2406         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
2407
2408 2005-07-11  Richard Guenther  <rguenther@suse.de>
2409
2410         * config/i386/i386.opt: New target option -msseregparm.
2411         * config/i386/i386.c (override_options): Error out for
2412         -msseregparm but no SSE support.
2413         (ix86_function_sseregparm): Check for global sseregparm.
2414         * doc/invoke.texi: Document -msseregparm.
2415
2416 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2417
2418         * config.gcc (m32r-*-linux*): Use the default extra_parts.
2419         (m32rle-*-linux*): Ditto.
2420
2421 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
2422
2423         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
2424         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
2425         bytes.
2426
2427 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2428
2429         PR middle-end/22239
2430         PR target/20126
2431         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
2432         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
2433
2434 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
2435
2436         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
2437         (varmap): Heapify varmap.
2438         (constraints): Heapify constraints.
2439         (struct constraint_graph): Heapify succs and preds.
2440         (constraint_vec_find): Update for heapification.
2441         (constraint_set_union): Ditto.
2442         (insert_into_complex): Ditto.
2443         (constraint_edge_vec_find): Ditto.
2444         (erase_graph_self_edge): Ditto.
2445         (add_graph_edge): Ditto.
2446         (get_graph_weights): Ditto.
2447         (merge_graph_nodes): Ditto.
2448         (build_constraint_graph): Ditto.
2449         (topo_visit): Ditto.
2450         (solve_graph): Ditto.
2451         (create_variable_info_for): Ditto.
2452         (init_base_vars): Ditto.
2453         (delete_points_to_sets): Free graph, varmap, and complex constraints.
2454         (condese_varmap_nodes): Free complex vector.
2455         (clear_edges_for_node): Clear succs and preds vector.
2456
2457 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
2458
2459         * tree-ssa-structalias.c (update_alias_info): Change counting of
2460         references to not include vdefs.
2461
2462 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
2463
2464         * tree-ssa-alias.c (free_used_part_map): Add missing free.
2465         (up_insert): Ditto.
2466
2467 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2468
2469         * pa.c (pa_commutative_p): Make PLUS commutative when
2470         TARGET_NO_SPACE_REGS is true.
2471
2472 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
2473
2474         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
2475         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
2476         * tree-dfa.c (dump_subvars_for): New.
2477         (debug_subvars_for): New.
2478         (dump_variable): Show subvariables if VAR has them.
2479         * tree-flow-inline.h (get_subvar_at): New.
2480         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
2481         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
2482         Update all users.
2483         (struct subvar): Change fields offset and size to unsigned
2484         HOST_WIDE_INT.
2485         (dump_subvars_for): Declare.
2486         (debug_subvars_for): Declare.
2487         (get_subvar_at): Declare.
2488         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
2489         to unsigned HOST_WIDE_INT *.
2490         (overlap_subvar): Likewise.
2491         * tree-gimple.c (is_gimple_reg): Always return false for
2492         SFTs and memory tags.
2493         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
2494         Update all callers.
2495         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
2496         (compute_may_aliases): Call compute_points_to_sets.
2497         (collect_points_to_info_for): Remove.
2498         (compute_points_to_and_addr_escape): Remove.
2499         (delete_alias_info): Call delete_points_to_sets.
2500         (compute_flow_sensitive_aliasing): If the call to
2501         find_what_p_points_to returns false, call set_pt_anything.
2502         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
2503         (set_pt_anything): Clear pi->pt_vars.
2504         (set_pt_malloc): Remove.
2505         (merge_pointed_to_info): Remove.
2506         (add_pointed_to_expr): Remove.
2507         (add_pointed_to_var): Remove.
2508         (collect_points_to_info_r): Remove.
2509         (is_escape_site): Make extern.
2510         (create_sft): New.
2511         (create_overlap_variables_for): Call it.
2512         * tree-ssa-copy.c (merge_alias_info): Never merge
2513         flow-sensitive alias information.
2514         * tree-ssa-operands.c (get_expr_operands): Adjust variables
2515         offset and size to be unsigned HOST_WIDE_INT.
2516         (add_to_addressable_set): Rename from note_addressable.
2517         Set TREE_ADDRESSABLE as the variables are added to the set.
2518         Update all users.
2519         (add_stmt_operand): Do not try to micro-optimize unmodifiable
2520         operands into VUSEs when adding V_MAY_DEFs for members in an
2521         alias set.
2522         * tree-ssa-operands.h (add_to_addressable_set): Declare.
2523         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
2524         (struct variable_info): Add bitfield is_heap_var.
2525         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
2526         (new_var_info): Initialize is_heap_var.
2527         (get_constraint_for): Add HEAP variables to the symbol table.
2528         Mark them with is_heap_var.
2529         (update_alias_info): New.  Taken mostly from the old
2530         compute_points_to_and_addr_escape.
2531         (handle_ptr_arith): New.
2532         (find_func_aliases): Call update_alias_info.
2533         Call handle_ptr_info for tcc_binary expressions.
2534         Call mark_stmt_modified.
2535         (create_variable_info_for): If DECL has subvars, do not create
2536         variables for its subvars.  Always add all the fields.
2537         (set_uids_in_ptset): If the solution includes ANYOFFSET and
2538         SFTs, then add all the SFTs of the structure.
2539         If VI->DECL is an aggregate with subvariables, add the SFT at
2540         VI->OFFSET.
2541         (find_what_p_points_to): If VI is an artificial variable,
2542         translate to bitfields in SSA_NAME_PTR_INFO.
2543         If the solution is empty, set pi->pt_vars to NULL
2544         (init_base_vars): Create ANYOFFSET.
2545         (compute_points_to_sets): Rename from create_alias_vars.
2546         Make extern.
2547         (pass_build_pta): Remove.
2548         (delete_points_to_sets): Rename from delete_alias_vars.
2549         (pass_del_pta): Remove.
2550         * tree-ssa-structalias.h (struct alias_info): Move from
2551         tree-ssa-alias.h.
2552         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
2553         NUM_REFERENCES_SET): Likewise.
2554         (compute_points_to_sets, delete_points_to_sets): Declare.
2555
2556 2005-07-09  Richard Henderson  <rth@redhat.com>
2557
2558         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
2559         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
2560         alpha_split_lock_test_and_set_12): New functions.
2561         * config/alpha/alpha-protos.h: Update.
2562         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
2563         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
2564         * config/alpha/sync.md (I12MODE): New.
2565         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
2566         (sync_<fetchop_name><I48MODE>): Likewise.
2567         (sync_nand<I48MODE>): Likewise.
2568         (sync_old_<fetchop_name><I48MODE>): Likewise.
2569         (sync_new_<fetchop_name><I48MODE>): Likewise.
2570         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
2571         (sync_compare_and_swap<I48MODE>): Likewise.
2572         (sync_lock_test_and_set<I48MODE>): Likewise.
2573         (sync_compare_and_swap<I12MODE>): New.
2574         (sync_compare_and_swap<I12MODE>_1): New.
2575         (sync_lock_test_and_set<I12MODE>): New.
2576         (sync_lock_test_and_set<I12MODE>_1): New.
2577
2578 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
2579
2580         PR 21356
2581         PR 22332
2582         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
2583
2584 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
2585
2586         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
2587         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
2588
2589 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
2590
2591         PR target/21656
2592         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2593
2594 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
2595
2596         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
2597         memory_operand constraint.
2598         (store_conditional_<mode>): Same.
2599         (sync_compare_and_swap<mode>): Same.
2600         (sync_lock_test_and_set<mode>): Same.
2601
2602 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
2603
2604         Rewrite PIC support to more closely model actual instructions.
2605         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
2606         (cris_symbol): Remove prototypes for removed functions.
2607         (cris_pic_symbol_type_of, cris_valid_pic_const)
2608         (cris_expand_pic_call_address): Prototypes for new functions.
2609         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
2610         variable.
2611         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
2612         modifiers.
2613         <case ':'>: Add case for new punctuation character.
2614         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
2615         emitting (extra) PIC modifier.
2616         <case UNSPEC>: Do not assert for PLT.
2617         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
2618         (cris_expand_prologue, cris_expand_epilogue): Check
2619         for pic_offset_table_rtx usage instead of taking
2620         current_function_uses_pic_offset_table as the final word.
2621         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
2622         Remove flag_pic difference.
2623         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
2624         the moral equivalents of...
2625         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
2626         functions.
2627         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
2628         (cris_handle_option): Mark ARG as unused.
2629         (cris_expand_pic_call_address): New worker function for "call",
2630         "call_value".
2631         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
2632         output PIC constructs here.
2633         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
2634         as symbol-specific modifers, not whole or part of operands.
2635         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
2636         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
2637         constants and flag_pic.
2638         (CONSTANT_INDEX_P): Adjust for new functions.
2639         (enum cris_pic_symbol_type): New helper type.
2640         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
2641         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
2642         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
2643         define_constants.
2644         ("movsi"): Emit actual instructions for GOT and relative access.
2645         ("*movsi_got_load"): New pattern to set up the register holding
2646         the GOT pointer.
2647         ("*movsi_internal"): Operand 1 is not a plain general_operand.
2648         Adjust FIXME for 'S'.
2649         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
2650         Use "movs" for -fpic cases.
2651         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
2652         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
2653         ("call", "call_value"): Just call cris_expand_pic_call_address for
2654         PIC addresses.
2655         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
2656         Remove special pattern.
2657         ("*expanded_call_side", "*expanded_call_value_side"): New
2658         patterns.
2659         (gotplt-to-plt, gotplt-to-plt-side-call)
2660         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
2661         peephole2:s.
2662         * config/cris/cris/predicates.md
2663         ("cris_general_operand_or_gotless_symbol"): Remove unused
2664         predicate.
2665         ("cris_general_operand_or_symbol"): Adjust for new functions.
2666
2667 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
2668
2669         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
2670
2671 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
2672
2673         * Makefile.in (TREE_H): Add treestruct.def.
2674         (c-decl.o): Add pointer-set.h
2675         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
2676         visibility on regular DECL's.
2677         (merge_decls): Fix the copying of decl nodes of various types for
2678         the new structures.  Don't update RTL, section name, weak status,
2679         etc, on DECL's without RTL.
2680         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
2681         Don't check volatile on non-variable types.
2682         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
2683         to check whether we have seen arguments.
2684         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
2685         flag is checked before field (flag is common, field is not).
2686         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
2687         TS_DECL_COMMON could have an origin.
2688         (add_location_or_const_value_attribute): Don't check section name
2689         on non-var/function decls.
2690         (dwarf2out_var_location): Reverse order of tests.
2691         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
2692         with DECL_WRTL_CHECK.
2693         * expmed.c (make_tree): rtl is now in decl_with_rtl.
2694         * fold-const.c (fold_binary): Don't check weakness on
2695         non-var/function decls.
2696         (tree_expr_nonzero_p): Ditto.
2697         (fold_checksum_tree): Use tree_decl_extra as sizeof
2698         buffer.
2699         * ggc-page.c (extra_order_size_table): Add sizes for
2700         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
2701         tree_field_decl.
2702         * gimplify.c (gimplify_bind_expr): Only set
2703         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
2704         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
2705         without RTL.
2706         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
2707         * langhooks.h (init_ts). New langhook.
2708         * passes.c (rest_of_decl_compilation): Reverse order of tests.
2709         * print-tree.c (print_node): Update to only print fields that
2710         exist in the structures the passed decl has.
2711         * toplev.c (wrapup_global_declarations): Don't reset
2712         DECL_DEFER_OUTPUT on DECL's that don't contain it.
2713         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
2714         * tree-inline.c (remap_decl): Ditto.
2715         * tree-outof-ssa.c (create_temp): Reverse order of tests.
2716         * tree-pretty-print.c (print_declaration): Don't print
2717         DECL_REGISTER on things that don't contain it.
2718         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
2719         non-var/function decls.
2720         * tree.c (tree_contains_struct): New structure.
2721         (init_priority_for_decl): New hashtable.
2722         (tree_int_map): New structure.
2723         (tree_int_map_eq): New function.
2724         (tree_int_map_marked_p): Ditto.
2725         (tree_int_map_hash): Ditto.
2726         (tree_map): Move to tree.h.
2727         (tree_map_eq): Externalize.
2728         (tree_map_hash): Ditto.
2729         (tree_map_marked_p): Ditto.
2730         (init_ttree): Set up tree_contains_struct and call langhook.
2731         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
2732         (tree_code_size): Update for new structures.
2733         (tree_node_structure): Update for new structures.
2734         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
2735         without the field.
2736         (copy_node_stat):  Copy init priority.
2737         (build_decl_stat): Ditto for visibility.
2738         (ts_enum_names): New.
2739         (tree_contains_struct_check_failed): New function.
2740         (decl_init_priority_lookup): Ditto.
2741         (decl_init_priority_insert): Ditto.
2742         * treestruct.def: New file.
2743         * tree.h (CODE_CONTAINS_STRUCT): New macro.
2744         (CONTAINS_STRUCT_CHECK): Ditto.
2745         (tree_contains_struct_check_failed): New prototype.
2746         (DECL_CHECK): Removed.
2747         (DECL_MINIMAL_CHECK): New.
2748         (DECL_COMMON_CHECK): Ditto.
2749         (DECL_WRTL_CHECK): Ditto.
2750         (DECL_NON_COMMON_CHECK): Ditto.
2751         (DECL_WITH_VIS_CHECK): Ditto.
2752         (VAR_OR_FUNCTION_DECL_P): Ditto
2753         (struct tree_decl_minimal): New structure.
2754         (struct tree_decl_common): Ditto.
2755         (struct tree_decl_with_rtl): Ditto.
2756         (struct tree_decl_with_vis): Ditto.
2757         (struct tree_decl_non_common): Ditto.
2758         (struct tree_field_decl): Ditto.
2759         (struct tree_parm_decl): Ditto.
2760         (struct tree_var_decl): Ditto.
2761         (struct tree_function_decl): Ditto.
2762         (struct tree_const_decl): Ditto.
2763         (struct tree_result_decl): Ditto.
2764         (union tree_node): Add new structures.
2765         * var-tracking.c (track_expr_p): Reverse order of tests.
2766
2767         * doc/c-tree.texi: Add documentation on DECL node internal structure.
2768
2769 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
2770
2771         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
2772         * system.h: Poison FINALIZE_PIC.
2773         * doc/tm.texi (FINALIZE_PIC): Remove.
2774
2775 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
2776
2777         PR tree-opt/22329
2778         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
2779         to the correct type if we have a MODIFY_EXPR.
2780
2781 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
2782
2783         PR tree-optimization/22360
2784         * tree.c (upper_bound_in_type): Fix calculations for casting
2785         to a non-wider signed type and casting a signed value to a
2786         wider unsigned type.
2787         (lower_bound_in_type): Fix calculations for casting to a
2788         non-wider signed type.
2789
2790         PR tree-optimization/20139
2791         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
2792         release_defs.
2793         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
2794         fold_cond_expr_cond.
2795         * tree-ssanames.c (release_defs): Assert in_ssa_p.
2796         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
2797
2798 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
2799
2800         PR tree-opt/22356
2801         * tree-complex.c (expand_complex_libcall): Produce
2802         REALPART_EXPR/IMAGPART_EXPR with the correct type.
2803
2804 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
2805
2806         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
2807         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
2808         b" assert and inserted fastpath code for this case.
2809         (bitmap_ior): Removed "a != b" assert.
2810
2811 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2812
2813         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
2814         (ENDFILE_SPEC): Likewise.
2815         * config/m32r/m32r.h (ASM_SPEC): Likewise.
2816
2817         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
2818         a large stack frame at epilogue.
2819
2820 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
2821
2822         * final.c: Include sdbout.h when required.
2823
2824 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
2825
2826         * config.gcc (*-*-darwin*): Only one target-specific header file
2827         for generic darwin.
2828         (powerpc-*-darwin*): Add version-specific header files.
2829         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
2830         * config.in: Regenerate.
2831         * configure: Regenerate.
2832         * gcc.c: Include xregex.h.
2833         (version_compare_spec_function): New.
2834         (spec_function): Add version-compare.
2835         (replace_outfile_spec_function): Reformat comment.
2836         (compare_version_strings): New.
2837         * config/darwin-c.c (version_as_macro): New.
2838         (builtin_define): New.
2839         (darwin_cpp_builtins): New.
2840         * config/darwin-protos.h (darwin_cpp_builtins): New.
2841         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
2842         (LIB_SPEC): Make unconditional, update comment.
2843         (TARGET_C99_FUNCTIONS): Define.
2844         * config/darwin.opt: Sort.
2845         (mmacosx-version-min=): New.
2846         * config/darwin7.h: Delete.
2847         * config/darwin8.h: Delete.
2848         * config/i386/darwin.h (): Call darwin_cpp_builtins.
2849         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
2850         (TARGET_C99_FUNCTIONS): Define.
2851         * config/rs6000/darwin7.h: New.
2852         * config/rs6000/darwin8.h: New.
2853         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
2854         (-mmacosx-version-min): Document.
2855
2856 2005-07-07  Ian Lance Taylor  <ian@airs.com>
2857
2858         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
2859
2860 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
2861
2862         PR middle-end/22239
2863         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
2864
2865 2005-07-07  Khem Raj  <kraj@mvista.com>
2866
2867         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
2868         in bytes, not words.
2869
2870 2005-07-07  Paul Brook  <paul@codesourcery.com>
2871
2872         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
2873         DEFAULT_FUNCTION_ARG_PADDING to upward.
2874
2875 2005-07-07  Richard Henderson  <rth@redhat.com>
2876
2877         * function.c (locate_and_pad_parm): Record parameter alignment in
2878         stack_alignment_needed.
2879
2880 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
2881
2882         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
2883         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
2884         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
2885         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
2886         (define_attr "type"): Add isync, sync, load_l, store_c.
2887         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
2888         Create scratch volatile MEM.
2889         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
2890         sync.
2891         (load_locked_<mode>): New.
2892         (store_conditional_<mode>): New.
2893         (sync_compare_and_swap<mode>): Replace with splitter.
2894         (sync_lock_test_and_set<mode>): Replace with splitter.
2895         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
2896         and UNSPECV_ISYNC.
2897         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
2898         is ics.  Attribute isync.
2899         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
2900         lwsync.
2901         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
2902         and UNSPECV_SYNC_OP.
2903         (emit_unlikely_jump): New.
2904         (emit_load_locked): New.
2905         (emit_store_conditional): New.
2906         (rs6000_split_compare_and_swap): New.
2907         (rs6000_split_lock_test_and_set): New.
2908         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
2909         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
2910         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
2911         rs6000_split_lock_test_and_set): Declare.
2912         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
2913         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
2914         store_c, isync, sync.
2915
2916 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
2917
2918         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
2919         filenames to gtyp-gen.h.
2920         (s-typ-gen): Use it in place of for loops.
2921
2922 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
2923
2924         * hooks.c (hook_bool_rtx_int_false): New function.
2925         * hooks.h (hook_bool_rtx_int_false): Declare.
2926         * target-def.h (TARGET_COMMUTATIVE_P): Define.
2927         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
2928         * target.h (struct gcc_target): Add commutative_p member.
2929         * targhooks.c (hook_bool_rtx_commutative_p): New function.
2930         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
2931         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
2932         (pa_commutative_p): New function.
2933         * jump.c (target.h): Include.
2934         (rtx_renumbered_equal_p): Use targetm.commutative_p.
2935         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
2936
2937 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2938
2939         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
2940         (s390_expand_setmem): New.
2941         * config/s390/s390.c: Likewise.
2942         (print_shift_count_operand): Truncate to 12 bits instead of 6.
2943         Adapt comments.
2944         * config/s390/s390.md: ("setmem<mode>"): Accept character as
2945         general_operand.  Call new function "s390_expand_setmem".
2946         ("clrmem_long", "*clrmem_long"): Rewrite to ...
2947         ("setmem_long", "*setmem_long"): ... this.
2948
2949 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2950
2951         * config/s390/s390.c: (optimization_options): Enable
2952         TARGET_MVCLE at -Os.
2953         * doc/invoke.texi: Document changes in default behaviour.
2954         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
2955
2956 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2957
2958         * expr.c: (set_storage_via_setmem): Convert opchar to mode
2959         defined by back-end.
2960
2961 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
2962
2963         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
2964         all sets in the pattern.
2965         * config/rs6000/rs6000.md (stack_protect_testsi,
2966         stack_protect_testdi): Likewise.
2967
2968 2005-07-06  Jeff Law  <law@redhat.com>
2969
2970         * tree-vrp.c (simplify_using_ranges): Kill.
2971         (vrp_finalize): Remove call to simplify_using_ranges.
2972         (simplify_stmt_using_ranges): New function extracted from
2973         simplify_using_ranges.
2974         (simplify_div_or_mod_using_ranges): Likewise.
2975         (simplify_abs_using_ranges): Likewise.
2976         (simplify_cond_using_ranges): New function.
2977         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
2978         * tree-ssa-propagate.c (substitute_and_fold): Call
2979         simplify_stmt_using_ranges if we have range information.
2980
2981 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
2982
2983         * config/ia64/ia64.c (ia64_reorg): Check optimize before
2984         ia64_flag_schedule_isns2.
2985
2986         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
2987         reading/writing general registers.
2988         (ia64_function_arg): Revert 2005-06-18 change.
2989
2990 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
2991
2992         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
2993         (legitimize_tls_address): Use gcc_unreachable instead of abort.
2994
2995 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
2996
2997         * function.c (expand_function_end): Revert part of 2005-06-27
2998         patch.  Do sjlj_emit_function_exit_after after return_label.
2999
3000 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
3001
3002         * doc/install.texi (--disable-libssp): New.
3003
3004 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
3005
3006         * doc/invoke.texi: Update -fforce-mem documentation.
3007         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
3008         code for -fforce-mem.
3009         * expmed.c: (store_bit_field,store_fixed_bit_field,
3010         extract_bit_field): Ditto.
3011         * expr.c: (convert_move): Ditto.
3012         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
3013         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
3014         emit_conditional_add,expand_float,expand_fix): Ditto.
3015         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
3016         (common_handle_option): Issue warning when -fforce-mem specified.
3017
3018 2005-07-06  Paul Brook  <paul@codesourcery.com>
3019
3020         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
3021         argument is empty.
3022         * configure: Regenerate.
3023
3024 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
3025
3026         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
3027
3028 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
3029
3030         Fix PR tree-optimization/22319
3031         Fix PR tree-optimization/22140
3032         Fix PR tree-optimization/22310
3033
3034         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
3035         variable sized types.
3036         Use correct type for intermediate structure on *a = *b structure
3037         copies.
3038
3039 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
3040
3041         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
3042         Remove.
3043         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
3044         (machine_function): Move typedef to...
3045         * config/rs6000/rs6000.c (machine_function): ... here.  Add
3046         varargs_save_offset field.
3047         (rs6000_stack_t): Remove varargs_size field.
3048         (setup_incoming_varargs): Allocate varargs save area using
3049         assign_stack_local, try to make it as small as possible.
3050         Save offset from virtual_stack_vars_rtx to the save area
3051         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
3052         instead of magic 8 when fp word byte size is used.
3053         (rs6000_va_start): Use cfun->machine->varargs_save_offset
3054         instead of -RS6000_VARARGS_SIZE.
3055         (rs6000_stack_info, debug_stack_info,
3056         rs6000_initial_elimination_offset): Remove all traces of
3057         varargs_size.
3058         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
3059         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
3060         RS6000_VARARGS_AREA.
3061
3062 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
3063
3064         PR tree-optimization/21963
3065         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
3066         constant_multiple_of in the same way get_computation_cost_at does.
3067
3068 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
3069
3070         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
3071         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
3072         (gen_compare_reg): If sparc_compare_emitted is set, clear it
3073         and return its previous value.
3074         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
3075         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
3076         constants.
3077         (stack_protect_set, stack_protect_test): New expanders.
3078         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
3079         stack_protect_testdi): New insns.
3080         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3081         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
3082
3083 2005-07-06  Jeff Law  <law@redhat.com>
3084
3085         * tree-ssa-dce.c (cfg_altered): New global.
3086         (tree_dce_init): Initialize cfg_altered.
3087         (remove_dead_stmt): If we remove an edge in the CFG, then set
3088         CFG_ALTERED.
3089         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
3090         the dominators.
3091
3092 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
3093
3094         * Makefile.in (stamp-collect-ld): Use
3095         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
3096         ./collect-ld if it already exists.
3097         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
3098         Don't remove ./nm if it already exists.
3099
3100 2005-07-05  Devang Patel  <dpatel@apple.com>
3101
3102         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
3103         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
3104         * tree-vectorizer.c (vect_loop_location): New.
3105         (vect_print_dump_info): Use vect_loop_location.
3106         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
3107         (vectorize_loops): Set vect_loop_location.
3108         * tree-vect-analyze.c (vect_analyze_offset_expr,
3109         vect_determin_vectorization_factor, vect_analyze_operations,
3110         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
3111         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
3112         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
3113         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
3114         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
3115         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
3116         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
3117         vect_analyze_loop): Adjust vect_print_dump_info API.
3118         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3119         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
3120         vect_finish_stmt_generation, vectorizable_assignment,
3121         vectorizable_operation, vectorizable_store, vectorizable_load,
3122         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
3123         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3124         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
3125         vect_transform_loop): Same.
3126         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
3127         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
3128         Same.
3129
3130 2005-07-05  Randolph Chung  <tausq@debian.org>
3131
3132         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
3133         * configure: Regenerate.
3134         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
3135         (pa_tls_referenced_p): Declare.
3136         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
3137         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
3138         (legitimize_tls_address): New.
3139         (hppa_legitimize_address): Handle TLS addresses.
3140         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
3141         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3142         (emit_move_sequence): Handle TLS addresses.
3143         (pa_encode_section_info): Call default handler to handle common
3144         sections.
3145         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
3146         (CONSTANT_ADDRESS_P): Reject TLS operands.
3147         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
3148         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
3149         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
3150         (UNSPEC_TLSLE): Define new constants.
3151         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
3152         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
3153         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
3154         (tie_symbolic_operand, tle_symbolic_operand): New
3155
3156 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
3157
3158         * aclocal.m4: Update macros for autoconf 2.59 style.
3159         * configure.ac: Likewise.
3160
3161 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3162
3163         * pa.c (function_value): Handle small aggregates on 32-bit targets.
3164         (function_arg): Pass small aggregates in general registers on 32-bit
3165         targets.
3166         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
3167
3168 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
3169
3170         * Makefile.in (final.o): Fix dependencies.
3171
3172 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
3173
3174         PR c/22013
3175         PR c/22098
3176         * langhooks.h (struct lang_hooks): Add expr_to_decl.
3177         * langhooks.c (lhd_expr_to_decl): New.
3178         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
3179         New.
3180         (LANG_HOOKS_INITIALIZER): Update.
3181         * tree.c (recompute_tree_invarant_for_addr_expr): Call
3182         expr_to_decl langhook.
3183         * c-tree.h (c_expr_to_decl): Declare.
3184         * c-typeck.c (c_expr_to_decl): New.
3185         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
3186         specially.
3187         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
3188
3189 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
3190
3191         PR c/22308
3192         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
3193         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
3194
3195 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
3196
3197         * Makefile.in: Adjust dependencies.
3198         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
3199         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
3200         * alias.c (rest_of_handle_cfg, pass_cfg): New.
3201         * bb-reorder.c (duplicate_computed_gotos): Make it static.
3202         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
3203         rest_of_compilation.
3204
3205         * bb-reorder.c (gate_duplicate_computed_gotos,
3206         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
3207         rest_of_handle_reorder_blocks, pass_reorder_blocks,
3208         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
3209         pass_partition_blocks): New.
3210         * bt-load.c (gate_handle_branch_target_load_optimize,
3211         rest_of_handle_branch_target_load_optimize,
3212         pass_branch_target_load_optimize): New.
3213         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
3214         pass_jump2): New.
3215         * cfglayout.c (pass_insn_locators_initialize): New.
3216         * cfgrtl.c (pass_free_cfg): New.
3217         * combine.c (gate_handle_combine, rest_of_handle_combine,
3218         pass_combine): New.
3219         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
3220         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
3221         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
3222         * except.c (pass_set_nothrow_function_flags,
3223         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
3224         pass_rtl_eh): New.
3225         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
3226         rest_of_handle_shorten_branches, pass_shorten_branches,
3227         rest_of_clean_state, pass_clean_state): New.
3228         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
3229         rest_of_handle_remove_death_notes, pass_remove_death_notes,
3230         rest_of_handle_life, pass_life, rest_of_handle_flow2,
3231         pass_flow2): New.
3232         * function.c (pass_instantiate_virtual_regs, pass_init_function,
3233         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
3234         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
3235         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
3236         pass_gcse): New.
3237         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
3238         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
3239         pass_rtl_ifcvt, gate_handle_if_after_combine,
3240         rest_of_handle_if_after_combine, pass_if_after_combine,
3241         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
3242         pass_if_after_reload): New.
3243         * integrate.c (pass_initial_value_sets): New.
3244         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
3245         pass_purge_lineno_notes): New.
3246         * mode-switching.c (rest_of_handle_mode_switching,
3247         pass_mode_switching): New.
3248         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
3249         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
3250         pass_loop2): New.
3251         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
3252         pass_loop_optimize): New.
3253         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
3254         pass_sms): New.
3255         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
3256         pass_gcse2): New.
3257         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
3258         pass_postreload_cse): New.
3259         * profile.c (gate_handle_profiling, pass_profiling,
3260         rest_of_handle_branch_prob, pass_branch_prob): New.
3261         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
3262         pass_split_before_regstack, gate_handle_split_before_regstack,
3263         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
3264         rest_of_handle_split_all_insns, pass_split_all_insns): New.
3265         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
3266         pass_stack_regs): New.
3267         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
3268         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
3269         pass_stack_adjustments): New.
3270         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
3271         pass_regrename): New.
3272         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
3273         pass_delay_slots, gate_handle_machine_reorg,
3274         rest_of_handle_machine_reorg, pass_machine_reorg): New.
3275         * rtl.h (extern void purge_line_number_notes): New.
3276         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
3277         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
3278         pass_sched2): New.
3279         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
3280         pass_tracer): New.
3281         * value-prof.c (gate_handle_value_profile_transformations,
3282         rest_of_handle_value_profile_transformations,
3283         pass_value_profile_transformations): New.
3284         * var-tracking.c (gate_handle_var_tracking,
3285         pass_variable_tracking): New.
3286         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
3287
3288         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
3289         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
3290         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
3291         rest_of_handle_old_regalloc, rest_of_handle_regrename,
3292         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
3293         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
3294         rest_of_handle_gcse2, rest_of_handle_regmove,
3295         rest_of_handle_tracer, rest_of_handle_if_conversion,
3296         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
3297         rest_of_handle_web, rest_of_handle_branch_prob,
3298         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
3299         rest_of_handle_jump_bypass, rest_of_handle_combine,
3300         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
3301         rest_of_handle_gcse, rest_of_handle_loop_optimize,
3302         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
3303         rest_of_handle_mode_switching, rest_of_handle_jump,
3304         rest_of_handle_eh, rest_of_handle_stack_adjustments,
3305         rest_of_handle_flow2, rest_of_handle_jump2,
3306         rest_of_handle_peephole2, rest_of_handle_postreload,
3307         rest_of_handle_shorten_branches, rest_of_clean_state,
3308         rest_of_compilation): Remove.
3309
3310         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
3311         * passes.c (dump_flags, in_gimple_form, all_passes,
3312         all_ipa_passes, all_lowering_passes, register_one_dump_file,
3313         register_dump_files, next_pass_1, last_verified, execute_todo,
3314         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
3315         from tree-optimize.c.
3316         (init_optimization_passes): Moved from tree-optimize.c,
3317         adding the RTL optimizations.
3318         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
3319         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
3320         all_ipa_passes, all_lowering_passes, register_one_dump_file,
3321         register_dump_files, next_pass_1, last_verified, execute_todo,
3322         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
3323         init_tree_optimization_passes, ipa_passes): Delete.
3324         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
3325         the RTL dumps.
3326         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
3327         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
3328         from tree.h.
3329         (ipa_passes): Remove.
3330         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
3331         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
3332         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
3333         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
3334         (dump_info_p, dump_flag): Moved to tree-dump.h.
3335
3336         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
3337         cgraph.c, opts.c.
3338         * passes.c (finish_optimization_passes): Use dump_begin
3339         and dump_end, TDI_end.
3340         (gate_rest_of_compilation): New.
3341         (pass_rest_of_compilation): Use it.
3342         (gate_postreload, pass_postreload): New.
3343         * toplev.c (general_init): Rename init_tree_optimization_passes.
3344         * toplev.h (init_tree_optimization_passes): Rename to
3345         init_optimizations_passes.
3346         * tree-dump.c (dump_flag): Make static.
3347         (dump_files): Remove RTL dumps.
3348         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
3349         pass_cleanup_cfg, pass_free_cfg_annotations,
3350         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
3351         pass_init_datastructures, pass_fixup_cfg): Make non-static.
3352         * tree-pretty-print.c: Include tree-pass.h.
3353         * cgraph.c: Include tree-dump.h.
3354
3355 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
3356
3357         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
3358         Only fall back to saying it points to readonly memory if
3359         we can't do better.
3360
3361 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
3362
3363         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
3364         * config/m32r/m32r.c (m32r_compute_frame_size,
3365         m32r_expand_prologue): Take current_function_profile into
3366         account whenever we reference
3367         current_function_uses_pic_offset_table.
3368         (m32r_finalize_pic): Remove.
3369         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
3370
3371 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
3372
3373         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
3374         instead of $<.  Don't remove ./as if it already exists.
3375
3376 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3377
3378         PR target/21723
3379         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
3380         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
3381         for complex modes when generating code for PA 1.0.
3382         (VALID_FP_MODE_P): New macro.
3383         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
3384         sets for all general and floating point modes.  Align wide floating
3385         point modes to even register boundaries to comply with architectural
3386         requirements.
3387         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
3388         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
3389         (VALID_FP_MODE_P): New macro.
3390         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
3391         sets for all general and floating point modes.  Align wide floating
3392         point modes to even register boundaries to comply with architectural
3393         requirements.
3394
3395 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
3396
3397         * tree-dump.c (dump_files): Initialize dump number for .cgraph
3398         to 0.
3399
3400 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
3401
3402         * tree-ssa-structalias.c: Don't include expr.h.
3403
3404 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
3405
3406         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
3407         comments.
3408
3409 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
3410
3411         Fix PR tree-optimization/22279
3412
3413         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
3414         correct operator.
3415
3416 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
3417
3418         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
3419
3420 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
3421
3422         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
3423         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
3424         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
3425         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
3426         config/stormy16/stormy16.c, config/v850/v850.c,
3427         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
3428         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
3429         Avoid "." or "\n" at end of diagnostics and capital letters at
3430         start of diagnostics.
3431         * combine.c, cse.c: Don't translate dump file output.
3432         * toplev.c (print_version): Only translate output if going to
3433         stderr.
3434
3435 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
3436
3437         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
3438         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
3439         typos.
3440
3441 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3442
3443         * pa.c (fix_range): Fix typo in comment.
3444
3445 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
3446
3447         * tree-vrp.c (extract_range_from_assert): Replace
3448         fold (build (...)) with fold_build2.
3449
3450 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3451
3452         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
3453         gcc_gfc_char_table, init_dynamic_gfc_info): New.
3454         (format_types_orig, handle_format_attribute): Add support for
3455         format "gcc_gfc".
3456
3457 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3458
3459         * varasm.c (assemble_variable): Fix format specifier thinko.
3460
3461 2005-07-03  Ira Rosen  <irar@il.ibm.com>
3462
3463         PR tree-optimization/22029 (and 22135)
3464         * tree-pretty-print.c (dump_generic_node): Check that the node is not
3465         a phi node before calling dump_vops.
3466
3467 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3468
3469         * tree-dump.h (dump_string_field): Declare.
3470         * tree-dump.c: Use it instead of dump_string.
3471         (dump_string_field): Make non-static.
3472
3473 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
3474
3475         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
3476         up the minimal CFG stuff always when optimize > 0.  Call
3477         split_all_insns_noflow in PIC case if needed.
3478
3479 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3480             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
3481
3482         PR c++/18279
3483         * c-decl.c (c_write_global_declarations): Dump contents of
3484         external scope to.
3485         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
3486         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
3487         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
3488         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
3489         is enabled.
3490
3491 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
3492
3493         * c-common.h (GCC_DIAG_STYLE): Define.
3494         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
3495         version for format checking to 4.1.
3496         * c-format.c: Include toplev.h after c-common.h.
3497         (enum format_type): Add gcc_tdiag_format_type.
3498         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
3499         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
3500         (format_types_orig): Add gcc_tdiag.
3501         (init_dynamic_diag_info): Support gcc_tdiag formats.
3502         (handle_format_attribute): Likewise.
3503         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
3504         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
3505         version for format checking to 4.1.
3506         (warning0, warning, error, pedwarn, sorry): Use
3507         ATTRIBUTE_GCC_DIAG.
3508         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
3509         (finish_aliases_1): Do not use %qE.
3510         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
3511         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
3512         Correct format bugs.
3513         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
3514         parameter to unsigned HOST_WIDE_INT.
3515         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
3516
3517 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
3518
3519         PR middle-end/21742
3520         * expr.c (write_complex_part): Use adjust_address for MEM.
3521         (read_complex_part): Same.
3522
3523 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
3524
3525         Fix PR tree-optimization/22280
3526
3527         * tree-sra.c (generate_element_init): Remove useless loop.
3528
3529 2005-07-02  Richard Henderson  <rth@redhat.com>
3530
3531         * config/alpha/alpha.c (alpha_legitimize_address): Check for
3532         TLS_MODEL_NONE.
3533         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
3534
3535 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
3536
3537         PR middle-end/14490
3538         * fold-const.c (fold_binary): Handle the return value of
3539         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
3540         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
3541
3542 2005-07-02  Jeff Law  <law@redhat.com>
3543
3544         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
3545         a eliminate type conversion which feeds an equality comparison
3546         if the original type or either operand in the comparison is a
3547         function pointer.
3548
3549 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
3550
3551         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
3552         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
3553         texts.
3554         * config/avr/avr.c: Do not use '`' as left quote.
3555         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
3556         Remove "." from end of diagnostics.  Make diagnostics start with
3557         lowercase letter.
3558
3559 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
3560             Joseph S. Myers  <joseph@codesourcery.com>
3561
3562         * toplev.c (default_tree_printer): Handle setting location with
3563         '+' flag.
3564         * c-objc.common.c (c_tree_printer): Likewise.
3565         * c-format.c (gcc_diag_flag_specs): Add '+'.
3566         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
3567         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
3568         formats.
3569         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
3570         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
3571         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
3572         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
3573         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
3574         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
3575         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
3576         format arguments where %J is used without %D.
3577
3578 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
3579
3580         * gcc.c (LINK_SSP_SPEC): Define.
3581         (link_ssp_spec): New variable.
3582         (LINK_COMMAND_SPEC): Add %(link_ssp).
3583         (static_specs): Add link_ssp_spec.
3584         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
3585         * configure: Rebuilt.
3586         * config.in: Rebuilt.
3587
3588         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3589         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3590         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3591         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3592         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
3593         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
3594         -0x7008(2) instead of reading __stack_chk_guard variable.
3595         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
3596         number.
3597         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
3598         (stack_protect_set, stack_protect_test): Use *_tls* patterns
3599         if TARGET_THREAD_SSP_OFFSET is defined.
3600         (stack_tls_protect_set_si, stack_tls_protect_set_di,
3601         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
3602
3603         Revert:
3604         2005-06-27  Richard Henderson  <rth@redhat.com>
3605         * libgcc-std.ver (GCC_4.1.0): New.
3606         * libgcc.h (__stack_chk_guard): Declare.
3607         (__stack_chk_fail, __stack_chk_fail_local): Declare.
3608         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
3609         * mklibgcc.in (lib2funcs): Add them.
3610
3611 2005-07-01  Richard Henderson  <rth@redhat.com>
3612
3613         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
3614         void * before struct sigcontext *.
3615         (x86_fallback_frame_state): Likewise.
3616
3617 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
3618
3619         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
3620
3621 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
3622
3623         PR tree-opt/22269
3624         * tree-ssa-reassoc.c (should_transpose): Fix which operand
3625         we check for SSA_NAME for.
3626
3627 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
3628
3629         Fix PR tree-optimization/22071
3630
3631         * tree-ssa-structalias.c (offset_overlaps_with_access): New
3632         function.
3633         (get_constraint_for_component_ref): Use it.
3634
3635 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
3636
3637         PR other/22264
3638         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
3639         print out the last new line.
3640
3641 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
3642
3643         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
3644         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
3645         * config/cris/cris.c (cris_conditional_register_usage): Adjust
3646         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
3647         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
3648         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
3649         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
3650         (enum reg_class): New member CC0_REGS.
3651         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
3652         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
3653         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
3654         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
3655         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
3656         Adjust for register now described.
3657
3658 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
3659
3660         PR target/22262
3661         * config/i386/i386.md (stack_protect_test_si,
3662         stack_protect_test_di): Add earlyclobber for scratch 3.
3663         * config/rs6000/rs6000.md (stack_protect_testsi,
3664         stack_protect_testdi): Add earlyclobber for scratch 3,
3665         remove earlyclobber from scratch 4.
3666
3667 Older entries for 2005 can be found in ChangeLog-2005.