gcc/ChangeLog

   1 2005-08-03  Richard Henderson  <rth@redhat.com>
   2
   3         PR 23221
   4         * function.c (stack_protect_epilogue): Export.
   5         * tree.h (stack_protect_epilogue): Declare.
   6         * calls.c (expand_call): Call it.
   7
   8 2005-08-03  Eric Christopher  <echristo@apple.com>
   9
  10         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
  11         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
  12         spec.
  13
  14 2005-08-04  Jan Hubicka  <jh@suse.cz>
  15
  16         * profile.c (branch_prob): Split edges with goto locus on them
  17         to get proper line counts.
  18         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
  19
  20 2005-08-03  Paul Brook  <paul@codesourcery.com>
  21
  22         * function.c (assign_parms): Round current_function_args_size
  23         to PARM_BOUNDARY, not STACK_BOUNDARY.
  24
  25 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
  26
  27         * config/i386/i386.c (x86_elf_aligned_common)
  28         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
  29
  30 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
  31
  32         PR tree-optimization/23157
  33         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
  34         before emitting them.
  35
  36 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
  37
  38         PR tree-optimization/19899
  39         * Makefile.in (tree-scalar-evolution.o): Add real.h.
  40         * tree-scalar-evolution.c: Include real.h.
  41         (add_to_evolution): Build constant -1 of correct type.
  42
  43 2005-08-03  Jan Hubicka  <jh@suse.cz>
  44
  45         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
  46         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
  47         profile updating for complette unrolling.
  48         * loop-unroll.c (peel_loop_completely): Use it.
  49         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
  50         (tree_unroll_loops_completely): Disable code growing unrolling of cold
  51         loops.
  52
  53 2005-08-03  Paul Brook  <paul@codesourcery.com>
  54
  55         * combine.c (can_change_dest_mode): New function.
  56         (try_combine, simplify_set): Use it.
  57
  58 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
  59
  60         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
  61         TFmode to BLKmode.
  62
  63 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
  64
  65         * doc/install.texi (Specific): Adjust link to openavr.org.
  66         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
  67         (Binaries): Adjust HP-UX Porting Center link.
  68         (Binaries): Adjust Free Software Foundation ordering link.
  69         (Binaries): Remove broken link to Sinix/Reliant Unix binaries.
  70
  71 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
  72
  73         * convert.c (convert_to_integer): Use fold_build1 instead of
  74         build1 when converting an integer to an integer.
  75
  76 2005-08-02  Richard Henderson  <rth@redhat.com>
  77
  78         * combine.c (combine_instructions): Don't use reg_equal/equiv
  79         results if the mode doesn't match.
  80
  81 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
  82
  83         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
  84         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
  85
  86 2005-08-02  Richard Henderson  <rth@redhat.com>
  87
  88         PR 23196
  89         * explow.c (memory_address): Remove special-case for
  90         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
  91
  92 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
  93
  94         PR 23164
  95         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
  96         number of calls to cleanup_tree_cfg_1.
  97
  98 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
  99
 100         * doc/invoke.texi: document file extensions .F90 and .F95
 101
 102 2005-08-02  Richard Guenther  <rguenther@suse.de>
 103
 104         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
 105         positive if its first argument is positive.
 106
 107 2005-08-02  Richard Guenther  <rguenther@suse.de>
 108
 109         PR tree-optimization/23177
 110         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
 111         on TMR_TAG.
 112
 113 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
 114
 115         PR tree-optimization/23129
 116         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
 117         varying for divisions with anti-ranges.
 118
 119 2005-08-02  Jan Hubicka  <jh@suse.cz>
 120
 121         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
 122         * tree-ssa-threadupdate.c (thread_block): Add it here.
 123
 124 2005-08-01  James E Wilson  <wilson@specifix.com>
 125
 126         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
 127         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
 128         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
 129         New.
 130         * config/mips/predicates.md (const_call_insn_operand): Add check for
 131         SYMBOL_REF_LONG_CALL_P.
 132         * doc/extend.texi (long_call): Document the new attribute.
 133
 134 2005-08-01  Ian Lance Taylor  <ian@airs.com>
 135             Richard Henderson  <rth@redhat.com>
 136
 137         * Makefile.in (RTL_BASE_H): Add real.h.
 138         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
 139         instead of memcpy.
 140         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
 141         directly.
 142         * rtl.c (rtl_check_failed_code_mode): New.
 143         * rtl.h (struct rtx_def): Add u.rv.
 144         (XCMWINT, XCNMPRV): New.
 145         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
 146         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
 147
 148 2005-08-01  Richard Henderson  <rth@redhat.com>
 149
 150         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
 151         with auto-inc codes.
 152
 153         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
 154
 155 2005-08-01  Jan Hubicka  <jh@suse.cz>
 156
 157         * i386-protos.h (asm_preferred_eh_data_format): Declare.
 158         * i386.c: Include dwarf2.h
 159         (asm_preferred_eh_data_format): New.
 160         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
 161
 162 2005-08-01  Ian Lance Taylor  <ian@airs.com>
 163
 164         * config/host-linux.c (linux_gt_pch_get_address): Add new name
 165         randomize_va_space for virtual address randomization control.
 166
 167 2005-08-01  Steven Bosscher  <stevenb@suse.de>
 168
 169         * common.opt (flag_ipa_cp): Put in right place to maintain
 170         alphabetic sort.
 171
 172 2005-08-01  Jan Hubicka  <jh@suse.cz>
 173
 174         * profile.c (compute_value_histograms): Fix thinko.
 175         * value-prof.c: Include toplev.h
 176         (check_counter): New function.
 177         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
 178         tree_mod_subtract_transform): Add sanity check.
 179
 180 2005-08-01  Richard Guenther  <rguenther@suse.de>
 181
 182         PR tree-optimization/23133
 183         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
 184         current functions parameter decls to find defs to cse
 185         reciprocals of.
 186
 187 2005-08-01  Richard Guenther  <rguenther@suse.de>
 188
 189         PR tree-optimization/23109
 190         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
 191         If trapping math is in effect, use post-dominator information
 192         to check if we'd in any case reach a trapping point before
 193         doing the reciprocal insertion.
 194         (execute_cse_reciprocals): Compute post-dominators, if necessary.
 195         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
 196         expressions are invariant only if trapping math is not in effect.
 197
 198 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
 199
 200         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
 201         cgraph_function_versioning): New declarations.
 202         * cgraphunit.c: Add include to ipa-prop.h.
 203         (update_call_expr, cgraph_copy_node_for_versioning,
 204         cgraph_function_versioning): New functions.
 205         * integrate.c (copy_decl_for_inlining): Remove.
 206         * ipa-prop.h (ipa_replace_map): New struct.
 207         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
 208         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
 209         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
 210         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
 211         ipcp_iterate_stage, ipcp_method_scale_print,
 212         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
 213         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
 214         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
 215         ipcp_update_bb_counts, ipcp_update_profiling,
 216         ipcp_update_edges_counts): New functions.
 217         (ipcp_method_cval_init): Remove restriction regarding local methods.
 218         (ipcp_init_stage): Add ipcp_method_compute_scale.
 219         (ipcp_insert_stage): Add versioning.
 220         (ipcp_structures_print): Add ipcp_method_scale_print.
 221         (ipcp_driver): Dump profiling info.
 222         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
 223         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
 224         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
 225         (struct inline_data): Add versioning_p, ipa_info, new fields.
 226         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
 227         declare_return_variable): Replace calls to copy_decl_for_inlining with
 228         copy_decl_for_dup.
 229         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
 230         versioning support.
 231         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
 232         Add argument VERSIONING.
 233         (copy_arguments_for_versioning, copy_static_chain,
 234         function_versionable_p, tree_versionable_function_p,
 235         tree_function_versioning, replace_ref_tree): New functions.
 236         * tree-inline.h: Include varray.h.
 237         (tree_versionable_function_p,  tree_function_versioning,
 238         tree copy_decl_for_dup): New declarations.
 239
 240 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
 241
 242         * ipa-cp.c: New file. Contains IPCP specific functionality.
 243         * ipa-prop.h: New file. Contains structures/definitions that can be
 244         used by several interprocedural data flow optimizations (and also IPCP).
 245         * ipa-prop.c: New file.
 246         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
 247         * common.opt: Add ipa-cp flag.
 248         * timevar.def: Add IPCP optimization.
 249         * tree-optimize.c (init_tree_optimization_passes): Schedule
 250         pass_ipa_cp.
 251         * tree-pass.h (pass_ipa_cp): Declare.
 252
 253 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
 254
 255         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
 256         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
 257         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
 258         config/i386/i386.c, config/mips/mips.h,
 259         config/rs6000/rs6000.h, config/sh/sh.c,
 260         config/stormy16/stormy16.c: Fix comment typos.
 261
 262 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
 263
 264         PR c/22311
 265         * c-typeck.c (build_binary_op): Use common_type wrapper on
 266         shortened types.
 267         (common_type): Update comment.
 268
 269 2005-07-31  Steven Bosscher  <stevenb@suse.de>
 270
 271         PR target/23095
 272         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
 273         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
 274         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
 275
 276 2005-07-31  Jan Hubicka  <jh@suse.cz>
 277
 278         * pretty-print.h (pp_widest_integer): New macro.
 279         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
 280         counts.
 281
 282 2005-07-31  Jan Hubicka  <jh@suse.cz>
 283
 284         * output.h (enum section_category): Export from varasm.c
 285         (categorize_decl_for_section): Likewise.
 286         * varasm.c (enum section_category): Kill.
 287         (categorize_decl_for_section): Make global.
 288         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
 289         Declare.
 290         * i386.c (ix86_section_threshold): New static variable.
 291         (ix86_in_large_data_p, ix86_encode_section_info,
 292         x86_64_elf_unique_section,
 293         x86_64_elf_select_section): New functions.
 294         (TARGET_ENCODE_SECTION_INFO): Define
 295         (override_options): Enable medium model for PIC.
 296         (ix86_expand_prologue): Expand gen_set_got_rex64.
 297         (legitimate_constant_p): Handle new UNSPECs.
 298         (legitimate_pic_address_disp_p): Likewise.
 299         (legitimize_pic_address): Lower MEDIUM model addressing.
 300         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
 301         (enum cmodel): Add MEDIUM_PIC.
 302         (SYMBOL_REF_FAR_ADDR_P): New macro.
 303         (SYMBOL_FLAG_FAR_ADDR): New flag.
 304         * i386.md (movdi): Support medium model.
 305         (set_got_rex64): New pattern.
 306         * i386.opt (mlarge-data-threshold): New flag.
 307         * predicates.md (zext_operand/sext_operand): Deal with medium model.
 308         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
 309         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
 310         TARGET_ASM_UNIQUE_SECTION): New.
 311
 312         * invoke.texi (-mlarge_data_threshold): Document
 313
 314 2005-07-31  Jan Hubicka  <jh@suse.cz>
 315
 316         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
 317         (coalesce_vars): Likewise.
 318         * tree-ssa-live.c (coalesce_cost): New.
 319         (build_tree_conflict_graph): Use coalesce_cost.
 320         * tree-ssa-live.h (coalesce_cost): Declare.
 321
 322 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
 323
 324         * arm.md (all peepholes for post-increment operations): Delete.
 325         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
 326         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
 327         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
 328         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
 329         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
 330
 331 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
 332
 333         * fold-const.c (tree_expr_nonnegative_p): Always return true for
 334         non-integral types.
 335
 336 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
 337
 338         PR target/22582
 339         * doc/invoke.texi: Document -rdynamic.
 340
 341 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
 342
 343         PR c/23143
 344         * c-parser.c (c_parser_parms_list_declarator): Call
 345         mark_forward_parm_decls.
 346         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
 347         decls with visibility structure.
 348
 349 2005-07-30  Paul Brook  <paul@codesourcery.com>
 350
 351         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
 352
 353 2005-07-30  Paul Brook  <paul@codesourcery.com>
 354
 355         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
 356         prototype.
 357         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
 358         value for mode.
 359         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
 360
 361 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
 362
 363         PR c/529
 364         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
 365         nested function declarators.
 366         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
 367         (grokparms): Call warn_if_shadowing for parameters used within the
 368         parameter list.
 369         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
 370         not used within the parameter list.
 371         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
 372
 373 2005-07-30  Jan Hubicka  <jh@suse.cz>
 374
 375         * expr.c (expand_expr_real_1): Do not load mem targets into register.
 376         * i386.c (ix86_fixup_binary_operands): Likewise.
 377         (ix86_expand_unary_operator): Likewise.
 378         (ix86_expand_fp_absneg_operator): Likewise.
 379         * optabs.c (expand_vec_cond_expr): Validate dest.
 380
 381 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
 382
 383         PR c/21720
 384         * real.c (real_from_string): Also set last bit if there is a
 385         nonzero hex digit beyond GCC's internal precision after ".".
 386
 387 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
 388
 389         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
 390         define_constants.  Change duplicate values to unassigned numbers.
 391         Change UNSPEC_SUBS to UNSPEC_VSUBS.
 392         (*altivec_vspltsf): New.
 393         (altivec_vperm_v4sf): Delete.
 394         (altivec_vperm_<mode>): Use mode macro V.
 395         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
 396         (altivec_predicate_v4sf): Delete.
 397         (altivec_predicate_<mode>): Use mode macro V.
 398         (*altivec_lvesfx): New.
 399         (*altivec_stvesfx): New.
 400         (vec_realign_load_v4sf): Delete.
 401         (vec_realign_load_<mode>): Use mode macro V.
 402         * config/rs6000/rs6000.c (generate_set_vrsave): Use
 403         UNSPECV_SET_VRSAVE.
 404
 405 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
 406
 407         PR bootstrap/23131
 408         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
 409         string.
 410         * configure: Regenerated.
 411
 412 2005-07-29  Paul Brook  <paul@codesourcery.com>
 413
 414         * doc/install.texi: Add link to GFortran binaries wiki page.
 415
 416 2005-07-29  David Ung  <davidu@mips.com>
 417
 418         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
 419         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
 420         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
 421         * config/mips/mips.md (cpu): Add 5kf name.
 422         (includes): Includes 5k.md.
 423         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
 424         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
 425         -march flag.
 426
 427 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
 428
 429         PR 22550
 430         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
 431         (cleanup_tree_cfg): ... here.
 432         Call cleanup_tree_cfg_1 until there are no more cleanups to
 433         do.
 434
 435 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
 436
 437         * tree-vrp.c (compare_range_with_value): Return true or false
 438         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
 439         EQ_EXPR respectively.
 440
 441 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
 442
 443         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
 444         Fix comment typos.
 445
 446 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
 447
 448         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
 449         (tree_ssa_dominator_optimize): Increment it.
 450         (dump_dominator_optimization_stats): Print it.
 451
 452 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
 453             Steven Bosscher  <stevenb@suse.de>
 454
 455         PR rtl-optimization/23117
 456         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
 457         when head == tail.  Tidy comment.
 458
 459 2005-07-28  Richard Henderson  <rth@redhat.com>
 460
 461         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
 462         * cselib.c (rtx_equal_for_cselib_p): Likewise.
 463         * jump.c (rtx_renumbered_equal_p): Likewise.
 464         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
 465         CONST_INT and CONST_DOUBLE.
 466         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
 467         * reload.c (operands_match_p): Special case CONST_INT and
 468         CONST_DOUBLE; check mode earlier.
 469
 470 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
 471
 472         PR c/22240
 473         * c-typeck.c (convert_for_assignment): Do not check
 474         DECL_IN_SYSTEM_HEADER on NULL fundecl.
 475
 476 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
 477
 478         PR c/22192
 479         * c-typeck.c (composite_type): Prefer constant size arrays to
 480         VLAs.
 481
 482 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
 483
 484         PR c/21720
 485         * real.c (real_from_string): Set last bit if there is a nonzero
 486         hex digit beyond GCC's internal precision.
 487
 488 2005-07-28  Richard Henderson  <rth@redhat.com>
 489
 490         PR rtl-opt/22619
 491         * cfgcleanup.c (try_forward_edges): Watch out for end of
 492         insn chain.
 493
 494 2005-07-28  James E Wilson  <wilson@specifixinc.com>
 495
 496         PR c/23106
 497         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
 498
 499 2005-07-28  Jan Hubicka  <jh@suse.cz>
 500
 501         * Makefile.in (rtl-profile.o): Kill all traces of it.
 502         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
 503         * coverage.h (rtl_coverage_counter_ref): Kill.
 504         * opts.c (flag_speculative_prefetching_set): Kill.
 505         (flag_loop_optimize_set): New.
 506         (common_handle_option): Disable loop optimizer when profiling;
 507         do not handle speculative prefetching.
 508         * passes.c (init_optimization_passes): Replace pass_profiling combo
 509         by branch_prob pass.
 510         * profile.c (compute_value_histograms): Update for simplified value
 511         profiles.
 512         (rtl_register_profile_hooks): Kill.
 513         (pass_profiling): Kill.
 514         (rest_of_handle_branch_prob): Do not profile.
 515         * toplev.c (process_options): Remove speculative prefetching.
 516         * toplev.h (flag_tree_based_profiling): Kill.
 517         * tree-profile.c (prepare_instrumented_value,
 518         tree_gen_interval_profiler, tree_gen_pow2_profiler,
 519         tree_gen_one_value_profiler, do_tree_profiling): Update for
 520         simplified datastructures.
 521         * value-prof.c: Add comment that speculative prefetching was dropped;
 522         update rest of file for simplified datastructures.
 523         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
 524         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
 525         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
 526         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
 527         rtl_mod_subtract, gen_speculative_prefetch,
 528         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
 529         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
 530         (gate_handle_value_profile_transformations,
 531         rest_of_handle_value_profile_transformations,
 532         pass_value_profile_transformations): Kill.
 533         * value-prof.h (histogram_value_t): Remove IL based unions.
 534         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
 535         rtl_profile_hooks): Remove hooks.
 536
 537         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
 538
 539         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
 540         (cgraph_clone_node): Likewise.
 541         * cgraph.h (cgraph_clone_edge): Update prototype.
 542         (cgraph_clone_node): Likewise.
 543         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
 544         cgraph_clone_node.
 545         (lookup_recursive_calls): Consider profile.
 546         (cgraph_decide_recursive_inlining): Fix updating; use new
 547         probability argument; use profile.
 548         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
 549         * tree-inline.c (copy_bb): Update clal of clone_edge.
 550         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
 551
 552         * invoke.texi (min-inline-recursive-probability): Document.
 553
 554 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
 555
 556         * doc/install.texi (Configuration): Update Valgrind homepage.
 557
 558 2005-07-28  Richard Henderson  <rth@redhat.com>
 559
 560         PR middle-end/21362
 561         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
 562         labels we want to delete.
 563         (cfg_layout_merge_blocks): Likewise.
 564
 565 2005-07-28  Richard Henderson  <rth@redhat.com>
 566
 567         PR target/17692
 568         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
 569         when expanding to nothing.
 570
 571 2005-07-28  Josh Conner  <jconner@apple.com>
 572
 573         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
 574         (cgraph_decide_inlining_of_small_functions): Likewise.
 575
 576 2005-07-28  Josh Conner  <jconner@apple.com>
 577
 578         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
 579         direction of badness if negative.
 580         (cgraph_default_inline_p): Add reason to parameters, and assign it
 581         a value.
 582         (cgraph_decide_inlining_of_small_functions): New parameter in call
 583         to cgraph_default_inline_p.
 584         (cgraph_decide_inlining_incrementally): Likewise.
 585         * cgraphunit.c (decide_is_function_needed): Likewise.
 586         * cgraph.h (cgraph_default_inline_p): Likewise.
 587
 588 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 589
 590         * builtins.c: Fix comment typo(s).
 591         * genautomata.c: Likewise.
 592         * gimplify.c: Likewise.
 593         * tree-dfa.c: Likewise.
 594         * tree-flow-inline.h: Likewise.
 595         * tree-into-ssa.c: Likewise.
 596         * tree-ssa-alias.c: Likewise.
 597         * tree-ssa-ccp.c: Likewise.
 598         * tree-ssa-copy.c: Likewise.
 599         * tree-ssa-dce.c: Likewise.
 600         * tree-ssa-dom.c: Likewise.
 601         * tree-ssa-operands.c: Likewise.
 602         * tree-tailcall.c: Likewise.
 603         * tree-vectorizer.c: Likewise.
 604         * tree-vrp.c: Likewise.
 605         * tree.c: Likewise.
 606
 607 2005-07-28  Jeff Law  <law@redhat.com>
 608
 609         * tree-vrp.c (test_for_singularity): Extracted from  ...
 610         (simplify_cond_using_ranges): Attempt to simplify a relational
 611         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
 612
 613 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
 614
 615         PR tree-optimization/22506
 616         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
 617         phis whose argument is constant.
 618
 619 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
 620
 621         PR rtl-optimization/18992
 622         Back out this patch:
 623           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 624           PR optimization/12142
 625           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
 626           uses of the register in the SET_SRC.  Remove unnecessary argument.
 627
 628         Replace it with this:
 629         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
 630         if flag_non_call_exceptions is set and the insn may trap, pass
 631         pc_rtx as dest for recursion.
 632         In SET_SRC part of SET case, if dest is already set, pass it down
 633         unchanged.
 634
 635 2005-07-28  Jan Hubicka  <jh@suse.cz>
 636
 637         * cfg.c (update_bb_profile_for_threading): Use RDIV.
 638         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
 639         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
 640         roundoff errors.
 641         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
 642         profile when available.
 643
 644 2005-07-28  Jan Beulich <jbeulich@novell.com>
 645
 646         * config/ia64/ia64.c (ia64_load_pair_ok): New.
 647         (ia64_print_operand): Describe and handle 'X'.
 648         (ia64_register_move_cost): Also handle FP_REGS.
 649         (ia64_preferred_reload_class): Likewise.
 650         (ia64_secondary_reload_class): Likewise.
 651         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
 652         it. Also check for ITANIUM_CLASS_FLDP.
 653         * config/ia64/ia64.h (FP_REGNO_P): New.
 654         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
 655         (reg_class): Add FP_REGS.
 656         (REG_CLASS_NAMES): Adjust for it.
 657         (REG_CLASS_CONTENTS): Likewise.
 658         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
 659         (REG_CLASS_FROM_LETTER): Handle 'x'.
 660         (CLASS_MAX_NREGS): Handle FP_REGS.
 661         (MEMORY_MOVE_COST): Likewise.
 662         * config/ia64/ia64.md (itanium_class): Add fldp.
 663         (type): Handle fldp.
 664         (movti_internal): More allowable operand combinations. Use ldfp8 when
 665         splitting unnecessary. Remove predicable attribute. Adjust
 666         itanium_class attribute.
 667         (smuldi3_highpart): Remove outdated comment.
 668         (mulditi3, umulditi3, rotlti3): New expanders.
 669         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
 670         (absti2): Disabled new insn for future reference.
 671         Respective new splitters.
 672         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
 673         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
 674         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
 675
 676 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
 677
 678         PR rtl-optimization/23047
 679         * simplify-rtx.c (simplify_const_relational_operation): Respect
 680         flag_wrapv for comparisons with ABS.
 681
 682 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
 683
 684         PR tree-optimization/22493
 685         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
 686         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
 687
 688 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
 689
 690         * config/frv/frv.opt (moptimize-membar): New.
 691
 692         * doc/invoke.texi: Document -moptimize-membar and its inverse.
 693
 694         * config/frv/frv.h: Remove machine_function definition.
 695
 696         * config/frv/frv.c (struct frv_io): New.
 697         (struct machine_function): Moved from frv.h.  Add has_membar_p.
 698         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
 699         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
 700         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
 701         (frv_optimize_membar_global, frv_optimize_membar): New functions.
 702         (frv_reorg): Call frv_optimize_membar when appropriate.
 703         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
 704         (frv_expand_builtin): Adjust calls accordingly.
 705         (frv_io_address_cookie): New function.
 706         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
 707         load or store rather than a special insn.  Add ccnstant address and
 708         io-type operands to the membar.
 709         (frv_ifcvt_modify_tests): Unsign regno.
 710         (frv_ifcvt_modify_tests): Same.
 711
 712         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
 713         UNSPEC_OPTIONAL_MEMBAR constant.
 714         (builtin_read_<mode>): Delete.
 715         (builtin_write_<mode>): Delete.
 716         ("optional_membar_<mode>"): Add operand.
 717
 718         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
 719         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
 720         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
 721         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
 722         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
 723         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
 724         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
 725         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
 726         * testsuite/gcc.target/frv/all-read-write-1.c: New.
 727
 728 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
 729
 730         * df.c (df_uses_record): Handle SCRATCH.
 731
 732 2005-07-28  Steven Bosscher  <stevenb@suse.de>
 733
 734         PR debug/20161
 735         * passes.c (rest_of_decl_compilation): If decl is a type and
 736         we have encountered errors, don't emit debug information.
 737
 738 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
 739
 740         * params.def: Fixed comment.
 741
 742 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
 743
 744         PR target/19885
 745         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
 746         (TARGET_ASM_UNALIGNED_HI_OP): Add.
 747         (TARGET_ASM_UNALIGNED_SI_OP): Add.
 748
 749 2005-07-27  Steven Bosscher  <stevenb@suse.de>
 750
 751         PR c++/22003
 752         * varasm.c (assemble_start_function): Don't do anything that may
 753         require a CFG if the current function is a thunk.
 754
 755 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
 756
 757         * doc/install.texi (Prerequisites): Mention that perl is needed
 758         to do export control in libstdc++ targetting Darwin.
 759
 760 2005-07-27  Steven Bosscher  <stevenb@suse.de>
 761
 762         PR rtl-optimization/17808
 763         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
 764         (sched_insns_conditions_mutex_p): Split out from...
 765         (add_dependence): ...here.  But don't call it from here.
 766         (add_dependence_list): Check sched_insns_conditions_mutex_p
 767         before calling add_dependence.
 768         (add_dependence_list_and_free): Likewise.
 769         (fixup_sched_groups): Likewise.
 770         (sched_analyze_1): Likewise.
 771         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
 772         (sched_analyze): Likewise.
 773         (sched_analyze_insn): Likewise.
 774         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
 775         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
 776         dependencies on all COND_EXEC insns to jumps ending basic blocks
 777         when doing intrablock scheduling.
 778         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
 779
 780 2005-07-27  Jeff Law  <law@redhat.com>
 781
 782         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
 783         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
 784         equivalency sets, correctly handle the case were vr0 has an
 785         equivalency set, but vr1 does not.
 786
 787 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
 788
 789         PR tree-optimization/23073
 790         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
 791         vect_print_dump_info before fprintf.
 792
 793 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
 794
 795         PR tree-optimize/22348
 796         * tree-ssa-loop-niter.c (number_of_iterations_cond):
 797         Fold the partial computation.
 798
 799 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
 800
 801         PR tree-optimization/22325
 802         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
 803         Declare.
 804         * tree-scalar-evolution.c (scev_const_prop): Add generic final
 805         value replacement.
 806         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
 807         (force_var_cost): ... this function.
 808         (compute_phi_arg_on_exit): Export.
 809
 810 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
 811
 812         PR tree-optimization/20773
 813         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
 814         edge.
 815
 816 2005-07-27  Richard Guenther  <rguenther@suse.de>
 817
 818         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
 819         Avoid pushing again if current struct contains only
 820         fields we decomposed.
 821
 822 2005-07-27  Jan Hubicka  <jh@suse.cz>
 823
 824         PR tree-optimization/22574
 825         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
 826         not available.
 827
 828         * tree-tailcall.c (decrease_profile): New function.
 829         (eliminate_tail_call): Use it.
 830
 831         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
 832         visibility flags correctly in whole program mode.
 833
 834 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
 835
 836         PR rtl-optimization/22472
 837         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
 838
 839 2005-07-26  Steven Bosscher  <stevenb@suse.de>
 840
 841         PR tree-optimization/22504
 842         * tree-complex.c (expand_complex_addition): Use 'code' instead
 843         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
 844
 845 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
 846
 847         * config.gcc (cpu_type): Add frv case.
 848         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
 849         (supported_defaults): Add fr550 case.
 850
 851 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
 852
 853         PR 22591
 854         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
 855         whether a pointer of type T * may point to objects of type T *.
 856
 857 2005-07-26  DJ Delorie  <dj@redhat.com>
 858
 859         * configure: Regenerate.
 860
 861 2005-07-26  Dale Johannesen  <dalej@apple.com>
 862
 863         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
 864
 865 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
 866
 867         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
 868         Clarify use of "build" in name.
 869
 870 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
 871
 872         * doc/extend.texi (Raw read/write Functions): New section.
 873         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
 874         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
 875         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
 876         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
 877         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
 878         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
 879         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
 880         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
 881         * config/frv/frv.c: Add bdesc_loads global.
 882         Add bdesc_stores global.
 883         (frv_init_builtins): Add support for __builtin_{read/write}*.
 884         (frv_volatile_memref): New.
 885         (frv_expand_load_builtin): New.
 886         (frv_expand_store_builtin): New.
 887         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
 888         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
 889         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
 890         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
 891         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
 892         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
 893         (builtin_read_<mode>): New.
 894         (builtin_write_<mode>): New.
 895         (builtin_write64): New.
 896         (optional_membar_<mode>): New.
 897
 898 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
 899
 900         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
 901         (rather than units) against HOST_BITS_PER_WIDE_INT.
 902
 903 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
 904
 905         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
 906         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
 907         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
 908         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
 909         FSF address.
 910
 911         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
 912         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
 913         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
 914         comment typos.
 915         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
 916
 917 2005-07-26  Richard Guenther  <rguenther@suse.de>
 918
 919         PR tree-optimization/22486
 920         * fold-const.c (fold_unary): Fold away useless component
 921         references of the form (T *)&T.x, if the address
 922         doesn't change.
 923
 924 2005-07-25  James E Wilson  <wilson@specifixinc.com>
 925
 926         * dwarf2out.c (add_call_src_coords_attributes): New.
 927         (gen_inlined_subroutine_die): Call it.
 928         (maybe_emit_file, init_file_table): Add comments.
 929         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
 930         maybe_emit_file.
 931         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
 932         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
 933         * tree.h (BLOCK_SOURCE_LOCATION): New.
 934         (struct tree_block): New field locus.
 935
 936 2005-07-26  Andreas Schwab  <schwab@suse.de>
 937
 938         PR rtl-optimization/23043
 939         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
 940         when allocating a struct unoccr.
 941
 942 2005-07-25  Richard Henderson  <rth@redhat.com>
 943
 944         PR 22626
 945         * tree-complex.c (gate_no_optimization): True if errors.
 946         * Makefile.in (tree-complex.o): Update dependencies.
 947
 948 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
 949
 950         * config/frv/predicates.md (integer_register_operand): Use
 951         GPR_AP_OR_PSEUDO_P.
 952
 953 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
 954
 955         PR tree-opt/22484
 956         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
 957         after fold.
 958         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
 959
 960 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
 961
 962         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
 963         types when flag_unsafe_math_optimizations is true.
 964
 965 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
 966
 967         * gcc.c (option_map): Add --sysroot.
 968         (process_command): Handle --sysroot.
 969         (display_help): Document it.
 970         * doc/cppopts.tex (-isysroot): Document.
 971         * doc/invoke.texi (--sysroot): Document.
 972         * doc/install.texi (--with-build-sysroot): Document.
 973
 974         * Makefile.in (inhibit_libc): New variable.
 975         (INHIBIT_LIBC_CFLAGS): Likewise.
 976         (LIBGCC2_CFLAGS): Include
 977         $(INHIBIT_LIBC_CFLAGS).
 978         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
 979         ($(T)crtbegin.o): Do not use @inhibit_libc@.
 980         ($(T)crtend.o): Likewise.
 981         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
 982         ($(T)crtendS.o): Likewise.
 983         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
 984         ($(T)crtendT.o): Likewise.
 985         (stmp-fixinc): Do not complain about missing headers if
 986         inhibit_libc.
 987         * configure.ac (inhibit_libc): Set it to true/false.
 988         (--with-build-sysroot): New option.  Use it to set
 989         SYSTEM_HEADER_DIR.
 990         * configure: Regenerated.
 991
 992 2005-07-25  Manfred Hollstein  <mh@suse.com>
 993
 994         * calls.c (store_one_arg): Fix unsigned comparison warning.
 995
 996 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
 997
 998         PR other/22337
 999         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
1000         (ggc_print_statistics): Initialize variable before use.
1001
1002 2005-07-25  Richard Guenther  <rguenther@suse.de>
1003
1004         * tree-dfa.c (mark_new_vars_to_rename): Protect against
1005         calling with a PHI_NODE argument.
1006
1007         * tree-flow-inline.h (overlap_subvar): Protect against
1008         possible overflow.
1009
1010 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
1011
1012         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
1013         * configure: Regenerate.
1014
1015 2005-07-25  Ira Rosen  <irar@il.ibm.com>
1016
1017         * expr.c (highest_pow2_factor): Make extern.
1018         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
1019         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
1020         record_array_differ_p, array_ptr_differ_p): Likewise.
1021         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
1022         additional cases. Call the above functions.
1023         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
1024         base_object_differ_p when there are two base objects. Otherwise, compare
1025         base address and offset. Call may_alias_p.
1026         (dump_data_reference): Use a correct field name.
1027         (analyze_array): Make static. Initialize new data-ref fields.
1028         (analyze_indirect_ref): New function.
1029         (init_data_ref): Initialize new data-ref fields.
1030         (strip_conversion): Moved from tree-vect-analyze.c.
1031         (analyze_offset_expr, get_ptr_offset, address_analysis,
1032         object_analysis): Likewise.
1033         (analyze_offset): New function.
1034         (create_data_ref): Likewise.
1035         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
1036         dimensions for ARRAY_REFs only.
1037         (build_classic_dist_vector): Make static.
1038         (access_functions_are_affine_or_constant_p): Call macro to get the
1039         address of access functions.
1040         (compute_all_dependences): Add new parameter
1041         compute_self_and_read_read_dependences. Compute self and read-read
1042         dependences if it is true.
1043         (find_data_references_in_loop): Call create_data_ref. Initialize new
1044         data-ref fields.
1045         (compute_data_dependences_for_loop): Add new parameter
1046         compute_self_and_read_read_dependences. Remove parameter nb_loops,
1047         compute nb_loops. Call compute_all_dependences,
1048         build_classic_dist_vector and build_classic_dir_vector with correct
1049         parameters.
1050         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
1051         with correct parameters. Compare dimensions for ARRAY_REFs only.
1052         (free_data_refs): Call macro to free access functions.
1053         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
1054         fields from stmt_vinfo.
1055         (struct base_object_info): New structure.
1056         (struct data_reference): Move fields to base_object_info. Add fields
1057         first_location and object_info for above structures. Move fields from
1058         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
1059         aligned_to.  Add macros to access the new fields.
1060         Update functions declarations.
1061         * tree-flow.h (is_aliased_with): Declare.
1062         * tree-loop-linear.c (linear_transform_loops): Call
1063         compute_data_dependences_for_loop with correct parameters.
1064         * tree-ssa-alias.c (is_aliased_with): New function.
1065         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
1066         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
1067         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
1068         vect_base_addr_differ_p, compute_subscript_distance and
1069         build_classic_dist_vector. Add printings. Check absolute value of
1070         distance.
1071         (vect_analyze_data_ref_dependences): Go through ddrs instead of
1072         data-refs.
1073         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
1074         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
1075         to bytes. Add printing.
1076         (vect_compute_data_refs_alignment): Go through loads and stores in one
1077         loop.
1078         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
1079         vect_analyze_data_ref_access): Likewise.
1080         (vect_analyze_pointer_ref_access): Remove.
1081         (vect_address_analysis, vect_object_analysis): Likewise.
1082         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
1083         and analyze data-refs in the loop.
1084         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
1085         fields of data-ref instead of stmt. Add init to the offset from the
1086         base.
1087         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
1088         (vect_update_init_of_dr): Likewise.
1089         (vect_update_inits_of_drs): Go through loads and stores in one loop.
1090         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
1091         removed fields.
1092         (new_loop_vec_info): Initialize new fields.
1093         (destroy_loop_vec_info): Free new fields.
1094         (vect_strip_conversion): Remove.
1095         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
1096         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
1097         datarefs. Add new field ddrs.
1098         Add macros for the new fields access.
1099         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
1100         base_aligned_p, misalignment, memtag, ptr_info and subvars.
1101         Remove their macros.
1102         * tree.h (highest_pow2_factor): Declare.
1103
1104 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
1105
1106         * calls.c (store_one_arg): Check for sibling call MEM arguments
1107         from already clobbered incoming argument area.
1108
1109 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1110
1111         * c-common.c (check_missing_format_attribute): New.
1112         * c-common.h (check_missing_format_attribute): Likewise.
1113         * c-typeck.c (convert_for_assignment): Use it.
1114
1115 2005-07-24  Andreas Schwab  <schwab@suse.de>
1116
1117         * config/m68k/m68k.md ("extendqidi2"): When source is an address
1118         register use a word move.  Correct operand of ext.w in 68000 code.
1119
1120 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
1121
1122         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
1123         variables as declarations, rather than definitions.
1124
1125 2005-07-24  Ira Rosen  <irar@il.ibm.com>
1126
1127         PR tree-optimization/22526
1128         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
1129         of the zero node.
1130
1131 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1132
1133         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
1134         that C99 reserve for future use. Use it to define clog10,
1135         clog10f and clog10l.
1136
1137 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1138
1139         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
1140         * configure.ac: Check for -Wmissing-format-attribute.
1141
1142         * configure: Regenerate.
1143
1144 2005-07-23  Richard Henderson  <rth@redhat.com>
1145
1146         PR tree-optimization/22623
1147         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
1148
1149 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
1150
1151         PR target/22577
1152         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
1153
1154 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1155
1156         * Makefile.in (C_TREE_H): Update dependencies.
1157         * c-tree.h: Include toplev.h.
1158         * diagnostic.h (diagnostic_set_info): Add format attribute.
1159         * rtl-error.c (diagnostic_for_asm): Likewise.
1160
1161 2005-07-23  Chao-ying Fu  <fu@mips.com>
1162
1163         * config/mips/mips-dsp.md: New file.
1164         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
1165         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
1166         functions.
1167         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
1168         MIPS_BUILTIN_BPOSGE32.
1169         (mips_expand_builtin_direct): Add one parameter to indicate that
1170         builtin functions need to return a value.
1171         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
1172         functions.
1173         (mips_regno_to_class): Add classes for 12 new DSP registers.
1174         (mips_subword): Change to check four HI registers.
1175         (mips_output_move): Output move to and from 6 new DSP accumulators.
1176         (override_options): Make sure -mdsp and -mips16 are not used together.
1177         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
1178         for machine modes.
1179         (mips_conditional_register_usage): Disable 6 new DSP accumulators
1180         when !TARGET_DSP.
1181         (print_operand): Add 'q' for printing DSP accumulators.
1182         (mips_cannot_change_mode_class): Check ACC_REGS.
1183         (mips_secondary_reload_class): Check ACC_REGS.
1184         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
1185         (mips_register_move_cost): Check ACC_REGS.
1186         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
1187         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
1188         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
1189         (dsp_bdesc): New array.
1190         (bdesc_arrays): Add DSP builtin function table.
1191         (mips_prepare_builtin_arg): Check predicate again after
1192         copy_to_mode_reg.
1193         (mips_expand_builtin): Add one more parameter to
1194         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
1195         MIPS_BUILTIN_BPOSGE32.
1196         (mips_init_builtins): Initialize new function types.
1197         (mips_expand_builtin_direct): Check if builtin functions need to
1198         return a value and pass operands properly.
1199         (mips_expand_builtin_bposge): New function.
1200         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
1201         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
1202         (FIRST_PSEUDO_REGISTER): Increase to 188.
1203         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1204         Update for 12 new DSP registers.
1205         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
1206         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
1207         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
1208         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
1209         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
1210         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
1211         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
1212         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
1213         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
1214         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
1215         (REGISTER_NAMES): Add names for 12 new DSP registers.
1216         * config/mips/mips.md: Include mips-dsp.md.
1217         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
1218         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
1219         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
1220         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
1221         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
1222         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
1223         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
1224         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
1225         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
1226         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
1227         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
1228         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
1229         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
1230         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
1231         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
1232         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
1233         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
1234         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
1235         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
1236         (UNSPEC_RDDSP): New constants.
1237         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
1238         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
1239         A<-d alternative.
1240         * config/mips/mips.opt (-mdsp): New option.
1241         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
1242         (reg_imm10_operand): New predicates.
1243         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
1244         * doc/invoke.texi (-mdsp): Document new option.
1245
1246 2005-07-22  DJ Delorie  <dj@redhat.com>
1247
1248         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
1249         to warning calls.
1250         * tree-inline.c (inlinable_function_p): Likewise.
1251
1252 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
1253
1254         PR debug/21828
1255         * toplev.c (check_global_declarations): Do not mark undefined
1256         variables as DECL_IGNORED_P.
1257         * varasm.c (first_global_object_name): GTY it.
1258         (weak_global_object_name): Likewise.
1259         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
1260         a string to go into {weak,first}_global_object_name.
1261
1262 2005-07-22  DJ Delorie  <dj@redhat.com>
1263
1264         * c-format.c (check_function_format): Change warning control
1265         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
1266
1267 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
1268
1269         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
1270         &PTR->FLD a dereference of PTR.
1271         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
1272         a potential dereference of PTR.
1273
1274 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
1275
1276         PR rtl-optimization/20370
1277         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
1278         call allocate_reg_info if necessary.
1279
1280         PR rtl-optimization/21848
1281         * calls.c (emit_library_call_value_1): For const functions, add
1282         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
1283
1284         PR rtl-optimization/22445
1285         * cselib.c (target.h): Include.
1286         (rtx_equal_for_cselib_p): Allow commutative matches.
1287         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
1288         Remove MODE parameter.  Changed all callers.
1289
1290         PR rtl-optimization/22258
1291         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
1292         New functions.
1293         (try_combine): Use likely_spilled_retval_p.
1294
1295 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
1296
1297         * config.gcc: Add crx-elf support.
1298
1299         * doc/contrib.texi: Mention crx.
1300         * doc/extend.texi: Document crx extensions.
1301         * doc/install.texi: Document crx install.
1302         * doc/invoke.texi: Document crx options.
1303         * doc/md.texi: Document crx constraints.
1304
1305         * config/crx/crx-protos.h: New file.
1306         * config/crx/crx.c: New file.
1307         * config/crx/crx.h: New file.
1308         * config/crx/crx.md: New file.
1309         * config/crx/crx.opt: New file.
1310         * config/crx/t-crx: New file.
1311
1312 2005-07-22  Manfred Hollstein  <mh@suse.com>
1313
1314         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
1315         warnings.
1316         (int_add_graph_edge): Likewise.
1317         (collapse_nodes): Likewise.
1318         (process_unification_queue): Likewise.
1319
1320 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1321             Laurent GUERBY  <laurent@guerby.net>
1322
1323         PR tree-optimization/22336
1324         * function.c (record_block_change): Check for
1325         cfun->ib_boundaries_block.
1326
1327 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
1328
1329         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
1330         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
1331
1332 2005-07-21  DJ Delorie  <dj@redhat.com>
1333
1334         * toplev.c (warn_deprecated_use): Add warning control to warning
1335         call.
1336         * c-typeck.c (parser_build_binary_op): Likewise.
1337         (c_finish_if_stmt): Likewise.
1338         * c-common.c (check_function_sentinel): Likewise.
1339         (check_nonnull_arg): Likewise.
1340
1341 2005-07-21  Richard Henderson  <rth@redhat.com>
1342
1343         PR tree-opt/22504
1344         * tree-complex.c (complex_ssa_name_components): New.
1345         (cvc_lookup): Allow entry not found.
1346         (create_components): Remove.
1347         (create_one_component_var, get_component_var): New.
1348         (get_component_ssa_name, set_component_ssa_name): New.
1349         (extract_component): Use get_component_ssa_name.
1350         (update_complex_components): Use set_component_ssa_name.
1351         (update_complex_components_on_edge): Likewise.
1352         (update_phi_components): Create new PHI nodes directly, instead
1353         of adding insns to edges.
1354         (tree_lower_complex): Allocate and free complex_variable_components
1355         and complex_ssa_name_components here.
1356
1357 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
1358
1359         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
1360         revert to returning false.
1361
1362 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
1363
1364         PR target/21149
1365         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
1366
1367 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
1368
1369         PR target/22576
1370         * config/i386/i386.md (cmpxf): Change operand constraints
1371         to "nonmemory_operand".
1372
1373 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
1374
1375         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
1376
1377 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
1378
1379         PR middle-end/21180
1380         * fold-const.c (fold_build1): Add checksum for the operands.
1381         (fold_build2): Likewise.
1382         (fold_build3): Likewise.
1383
1384 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
1385
1386         PR middle-end/19055
1387         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
1388
1389 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
1390
1391         * common.opt (-fforward-propagate): Committed by mistake,
1392         removed.
1393
1394 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1395
1396         * reg-stack.c: Fix comment typo(s).
1397         * tree-ssa-operands.c: Likewise.
1398         * tree-vectorizer: Likewise.
1399
1400 2005-07-21  Nick Clifton  <nickc@redhat.com>
1401
1402         * config/sh/symbian.c: Replace C++ style line comments with C
1403         style line comments.
1404         (symbian_add_attribute): Do not use a ? operator on the LHS of
1405         an assignment.
1406         (sh_symbian_handle_dll_attribute): Change the type of the
1407         method vector to "VEC(tree,gc)*" and use vector accessor
1408         macros to walk over the elements.
1409         (symbian_export_vtable_and_rtti_p): Likewise.
1410         (symbian_class_needs_attribute_p): Likewise.
1411
1412 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
1413
1414         PR target/22085
1415         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
1416         initialize targetm.resolve_overloaded_builtin here.
1417         (altivec_expand_overloaded_builtin): Make it non-static.
1418         * config/rs6000/rs6000-protos.h
1419         (altivec_expand_overloaded_builtin): New prototype.
1420         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
1421         targetm.resolve_overloaded_builtin here.
1422         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
1423
1424 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
1425             Zdenek Dvorak  <dvorakz@suse.cz>
1426
1427         PR tree-optimization/19210
1428         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
1429         New.
1430         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
1431         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
1432         rely on unproven assumptions.
1433         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
1434         * tree-flow.h (number_of_iterations_exit): Add final parameter.
1435         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
1436         to number_of_iterations_exit.
1437         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
1438         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
1439         * tree-ssa-loop-niter.c (find_loop_niter,
1440         estimate_numbers_of_iterations_loop): Likewise.
1441         (number_of_iterations_exit): Honor the new options.
1442         * doc/invoke.texi (Wunsafe-loop-optimizations,
1443         funsafe-loop-optimizations): Document them.
1444
1445 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
1446
1447         PR rtl-optimization/22167
1448         * gcse.c (hoist_code): Fix hoist_exprs[] check.
1449
1450 2005-07-20  Adam Nemet  <anemet@lnxw.com>
1451
1452         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
1453         __do_global_dtors_aux longcall.
1454
1455 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
1456
1457         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
1458         (old_special_pred_table): Don't reference
1459         SPECIAL_MODE_PREDICATES.
1460         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
1461         * config/arc/arc.h: Don't mention PREDICATE_CODES.
1462         * config/sh/predicates.h: Don't mention
1463         SPECIAL_MODE_PREDICATES.
1464         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
1465         Remove.
1466
1467 2005-07-20  DJ Delorie  <dj@redhat.com>
1468
1469         * config.gcc: Add m32c-elf support.
1470
1471         * doc/contrib.texi: Mention m32c.
1472         * doc/extend.texi: Document m32c extensions.
1473         * doc/install.texi: Mention m32c.
1474         * doc/invoke.texi: Document m32c options.
1475         * doc/md.texi: Document m32c constraints.
1476
1477         * config/m32c/addsub.md: New file.
1478         * config/m32c/bitops.md: New file.
1479         * config/m32c/cond.md: New file.
1480         * config/m32c/jump.md: New file.
1481         * config/m32c/m32c-lib1.S: New file.
1482         * config/m32c/m32c-lib2.c: New file.
1483         * config/m32c/m32c-modes.def: New file.
1484         * config/m32c/m32c-pragma.c: New file.
1485         * config/m32c/m32c-protos.h: New file.
1486         * config/m32c/m32c.abi: New file.
1487         * config/m32c/m32c.c: New file.
1488         * config/m32c/m32c.h: New file.
1489         * config/m32c/m32c.md: New file.
1490         * config/m32c/m32c.opt: New file.
1491         * config/m32c/minmax.md: New file.
1492         * config/m32c/mov.md: New file.
1493         * config/m32c/muldiv.md: New file.
1494         * config/m32c/predicates.md: New file.
1495         * config/m32c/prologue.md: New file.
1496         * config/m32c/shift.md: New file.
1497         * config/m32c/t-m32c: New file.
1498
1499 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1500
1501         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
1502         (stack_protect_set, stack_protect_test): New expanders.
1503         (stack_protect_set_si, stack_protect_set_si_media,
1504         stack_protect_set_di_media, stack_protect_test_si,
1505         stack_protect_test_si_media, stack_protect_test_di_media):
1506         New insns.
1507
1508 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
1509
1510         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
1511
1512 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
1513
1514         * tree.h (tree_expr_nonzero_p): Export.
1515         * fold-const.c (tree_expr_nonzero_p): Likewise.
1516         Return true for CALL_EXPRs that are alloca calls.
1517         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
1518         against zero.
1519         * tree-flow.h (expr_computes_nonzero): Remove.
1520         * tree-vrp.c (expr_computes_nonzero): Remove.
1521         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
1522         (extract_range_from_unary_expr): Likewise.
1523         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
1524         tree_expr_nonzero_p.
1525
1526 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1527
1528         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
1529         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
1530         extra arg "picreg" and use it instead of pic_offset_table_rtx.
1531         All callers changed.
1532         (frame_related_constant_load): New arg "related" which controls
1533         setting of RTX_FRAME_RELATED_P.  All callers changed.
1534         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
1535         (bfin_expand_prologue): Add stack limit checking.
1536         * config/bfin/bfin.md (trapifcc): New pattern.
1537
1538         * config/bfin/bfin.c: Include "langhooks.h".
1539         (def_builtin): Go through lang_hooks to call builtin_function.
1540
1541         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
1542         * config/bfin/predicates.md (symbol_ref_operand): New.
1543         (call_insn_operand): Delete.  All callers changed to use
1544         register_no_elim_operand.
1545         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
1546         call_cookie field.
1547         (function_arg): Use it to generate the call's operand 2.
1548         (bfin_longcall_p): New function.
1549         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
1550         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
1551         determine if the address needs to be in a REG.
1552         (bfin_handle_longcall_attribute): New function.
1553         (bfin_attribute_table): Add "longcall" and "shortcall".
1554         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
1555         (CUMULATIVE_ARGS): New member call_cookie.
1556         (PREDICATE_CODES): Add symbol_ref_operand.
1557         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
1558         extra USE to the pattern.
1559         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
1560         New patterns, split off call_insn, sibcall_insn, call_value_insn and
1561         sibcall_value_insn; now the new patterns handle direct calls and the
1562         old ones indirect calls.
1563         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
1564
1565 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
1566
1567         * doc/trouble.texi: Update section on handling of empty loops.
1568
1569 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
1570
1571         * config.gcc: Remove support for sparc-*-openbsd*,
1572         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
1573         ns32k-*-netbsd*.
1574         * config.host: Remove support for i860-*-sysv4* as a host.
1575         * config/i860/*, config/ip2k/*, config/ns32k/*,
1576         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
1577         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
1578         mention obsolete ports.
1579
1580 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1581
1582         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
1583         soft frame pointer.
1584         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
1585         of frame_pointer_rtx.
1586         (sh_expand_epilogue): Likewise.
1587         (sh_set_return_address): Likewise.
1588         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
1589         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
1590         offsets from FRAME_POINTER_REGNUM.
1591         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
1592         (sh_register_names): Add initializer for sfp.
1593         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
1594         (VALID_REGISTER_P): Likewise.
1595         (FIRST_PSEUDO_REGISTER): Update.
1596         (DWARF_FRAME_REGISTERS): Define.
1597         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
1598         (HARD_FRAME_POINTER_REGNUM): Define.
1599         (FRAME_POINTER_REGNUM): Redefine.
1600         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
1601         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
1602         from FRAME_POINTER_REGNUM.
1603         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
1604         FRAME_POINTER_REGNUM.
1605         (REG_CLASS_CONTENTS): Add sfp.
1606         (REG_ALLOC_ORDER): Likewise.
1607         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
1608         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
1609         of frame_pointer_rtx.
1610         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1611
1612 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
1613
1614         * fold-const.c (tree_expr_nonnegative_p): Only return true for
1615         ABS_EXPR when flag_wrapv is false because of INT_MIN.
1616         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
1617         of an ABS_EXPR.
1618         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
1619         ABS_EXPR<x>.
1620
1621 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
1622
1623         Make CONSTRUCTOR use VEC to store initializers.
1624         * c-common.c (complete_array_type): Update to cope with VEC in
1625         CONSTRUCTOR_ELTS.
1626         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
1627         (pp_c_constructor_elts): New function.
1628         * c-pretty-print.h (pp_c_constructor_elts): Declare.
1629         * c-typeck.c (build_function_call, build_c_cast, digest_init,
1630         struct constructor_stack, struct initializer_stack,
1631         constructor_elements, push_init_level, pop_init_level,
1632         add_pending_init, find_init_member, output_init_element): Update to
1633         cope with VEC in CONSTRUCTOR_ELTS.
1634         * coverage.c (build_fn_info_value, build_ctr_info_value,
1635         build_gcov_info): Likewise.
1636         * expr.c (categorize_ctor_elements_1, store_constructor,
1637         expand_expr_real_1): Likewise.
1638         * fold-const.c (fold_ternary): Likewise.
1639         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
1640         gimplify_init_constructor, gimplify_expr): Likewise.
1641         * tree-dump.c (dequeue_and_dump): Likewise.
1642         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
1643         node.
1644         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
1645         CONSTRUCTOR_ELTS.
1646         * tree-sra.c (generate_element_init_1): Likewise.
1647         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
1648         * tree-ssa-operands.c (get_expr_operands): Likewise.
1649         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
1650         * tree-vect-transform.c (vect_get_vec_def_for_operand):
1651         (get_initial_def_for_reduction): Likewise.
1652         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
1653         value handle in annotations.
1654         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
1655         tree_node_structure): Add support for constr_kind.
1656         (build_vector_from_ctor, build_constructor_single,
1657         build_constructor_from_list): New functions.
1658         (build_constructor): Update to take a VEC instead of a TREE_LIST.
1659         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
1660         Update to cope with VEC in CONSTRUCTOR_ELTS.
1661         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
1662         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
1663         CONSTRUCTOR_APPEND_ELT): New macros.
1664         (struct constructor_elt, struct tree_constructor): New data types.
1665         (union tree_node): Add tree_constructor field.
1666         * treestruct.def: Define TS_CONSTRUCTOR.
1667         * varasm.c (const_hash_1, compare_constant, copy_constant,
1668         compute_reloc_for_constant, output_addressed_constants,
1669         initializer_constant_valid_p, output_constant,
1670         array_size_for_constructor, output_constructor): Update to cope with
1671         VEC in CONSTRUCTOR_ELTS.
1672         * vec.h (VEC_empty, VEC_copy): New macros.
1673
1674 2005-07-19  Devang Patel  <dpatel@apple.com>
1675
1676         * dbxout.c (dbxout_type): Check Objective-C++ lang.
1677
1678 2005-07-19  Richard Henderson  <rth@redhat.com>
1679
1680         PR tree-opt/22278
1681         * gimplify.c (gimplify_expr): Use main variant type for the temp
1682         destination for a discarded volatile read.
1683         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
1684         casts between non-void types that change volatility.
1685
1686 2005-07-15  DJ Delorie  <dj@redhat.com>
1687
1688         * toplev.h: Add comment about the first parameter for warning().
1689         * errors.h: Likewise.
1690
1691         * c.opt (Wpragmas): New.
1692         * doc/invoke.texi: Document it.
1693
1694         * function.c (do_warn_unused_parameter): Add warning control to
1695         warning call.
1696         * c-decl.c (warn_if_shadowing): Likewise.
1697         * c-lex.c (cb_def_pragma): Likewise.
1698         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
1699         (pop_alignment): Likewise.
1700         (handle_pragma_pack): Likewise.
1701         (apply_pragma_weak): Likewise.
1702         (handle_pragma_weak): Likewise.
1703         (handle_pragma_redefine_extname): Likewise.
1704         (add_to_renaming_pragma_list): Likewise.
1705         (handle_pragma_extern_prefix): Likewise.
1706         (maybe_apply_renaming_pragma): Likewise.
1707         (handle_pragma_visibility): Likewise.
1708
1709         * config/c4x/c4x-c.c (BAD): Likewise.
1710         (c4x_parse_pragma): Likewise.
1711         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
1712         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
1713         (rs6000_pragma_longcall): Likewise.
1714         * config/v850/v850-c.c (pop_data_area): Likewise.
1715         (ghs_pragma_section): Likewise.
1716         (ghs_pragma_section): Likewise.
1717         (ghs_pragma_interrupt): Likewise.
1718         (ghs_pragma_starttda): Likewise.
1719         (ghs_pragma_startsda): Likewise.
1720         (ghs_pragma_startzda): Likewise.
1721         (ghs_pragma_endtda): Likewise.
1722         (ghs_pragma_endsda): Likewise.
1723         (ghs_pragma_endzda): Likewise.
1724
1725 2005-07-19  Danny Berlin <dberlin@dberlin.org>
1726             Kenneth Zadeck <zadeck@naturalbridge.com>
1727
1728         * Makefile.in: Removed tree-promote-statics.c
1729         * tree-promote-statics.c: Removed.
1730         * common.opt: Removed flag-promote-statics.
1731         * opts.c: Ditto.
1732         * passes.c: Removed tree-promote-statics pass.
1733         * tree-pass.h: Ditto.
1734         * timevar.def: Removed TV_PROMOTE_STATICS.
1735
1736
1737 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
1738
1739         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
1740         and *-*-freebsd9.
1741         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
1742
1743 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1744
1745         PR c/22476
1746         * c-common.c (check_function_arguments): Call
1747         'check_function_format' if either -Wformat or
1748         -Wmissing-format-attribute are specified.
1749         * c-format.c (check_function_format): Check -Wformat before
1750         calling 'check_format_info'.
1751         * c-opts.c (c_common_post_options): Don't warn for
1752         -Wmissing-format-attribute without -Wformat.
1753         * c-typeck.c (convert_for_assignment): Detect additional cases for
1754         -Wmissing-format-attribute.
1755         * doc/invoke.texi (-Wmissing-format-attribute): Document new
1756         behavior.
1757
1758 2005-07-19  Richard Guenther  <rguenther@suse.de>
1759
1760         * config/i386/i386.md (lrint<mode>2): Use temporary
1761         instead of clobbering non-existent memory.
1762
1763 2005-07-19  Nick Clifton  <nickc@redhat.com>
1764
1765         * config/avr/avr.c (legitimate_address_p): Fix debugging print
1766         statement to avoid displaying ASCII control characters.
1767
1768 2005-07-19  Ben Elliston  <bje@au.ibm.com>
1769
1770         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
1771         * cfganal.c (find_edge_index): Ditto.
1772         * combine.c (combine_instructions): Ditto.
1773         * ddg.c (create_scc): Ditto.
1774         (find_successors): Ditto.
1775         (find_predecessors): Ditto.
1776         (find_nodes_on_paths): Ditto.
1777         (longest_simple_path): Ditto.
1778         * flow.c (update_life_info): Ditto.
1779         (count_or_remove_death_notes): Ditto.
1780         (clear_log_links): Ditto.
1781         * modulo-sched.c (generate_reg_moves): Ditto.
1782         (find_max_asap): Ditto.
1783         (find_max_hv_min_mob): Ditto.
1784         (find_max_dv_min_mob): Ditto.
1785         * sbitmap.c (sbitmap_first_set_bit): Ditto.
1786         * sched-rgn.c (extract_edgelst): Ditto.
1787         * tree-into-ssa.c (prepare_names_to_update): Ditto.
1788         (dump_update_ssa): Ditto.
1789         (ssa_names_to_replace) Ditto.
1790         (switch_virtuals_to_full_rewrite): Ditto.
1791         (update_ssa): Ditto.
1792         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
1793
1794 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
1795
1796         Fix PR tree-optimization/22483
1797
1798         * tree-complex.c (create_components): Use
1799         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
1800         * tree-flow-inline.h (fill_referenced_var_vec): New function.
1801         * tree-flow.h (safe_referenced_var_iterator): New structure.
1802         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
1803         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
1804         safe_referenced_var iterator.
1805         (add_type_alias): Ditto.
1806
1807 2005-07-19  Steven Bosscher  <stevenb@suse.de>
1808
1809         * loop-init.c (rest_of_handle_loop2): Remove.
1810         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
1811         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
1812         (pass_rtl_loop_init, pass_rtl_loop_done,
1813         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
1814         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
1815         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
1816         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
1817         pass_tree_loop_done, and pass_tree_unswitch.
1818         (gate_loop): Rename to gate_tree_loop.
1819         * passes.c (init_optimization_passes): Update for renamed tree
1820         loop passes.  Add the new loop2 passes as subpasses of loop2.
1821         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
1822         Update for the renamed tree loop passes.
1823
1824 2005-07-18  Ian Lance Taylor  <ian@airs.com>
1825
1826         PR middle-end/22057
1827         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
1828         blocks when optimizing.
1829
1830 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
1831
1832         * common.opt (frename-registers): Initialize to 2.
1833         (fweb): Ditto.
1834         (fgcse-after-reload): Ditto.
1835         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
1836         (process_options): Only change flag_web, flag_rename_registers,
1837         and flag_rerun_cse_after_loop if not explicitly set by user.
1838
1839 2005-07-18  Jan Beulich  <jbeulich@novell.com>
1840
1841         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
1842         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
1843         in 64-bit mode the same as DImode in 32-bit mode.
1844         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
1845         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
1846         mode. Add new mode parameter.
1847         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
1848         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
1849         x86_64_shift_adj): New expanders.
1850         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
1851         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
1852         insns.
1853         Respective new splitters. Use renamed shift splitter helpers in 32-bit
1854         DImode shift splitters.
1855         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
1856         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
1857         mode parameter.
1858
1859 2005-07-18  Jan Beulich  <jbeulich@novell.com>
1860
1861         * i386.md (movdi_extzv_1): New.
1862         (zero_extendhidi2): Combine alternatives and never force use of
1863         REX64 prefix.
1864         (zero_extendqidi2): Likewise. Don't restrict input selection.
1865
1866 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
1867
1868         Fix PR tree-optimization/22531
1869         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
1870          moment.
1871
1872 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
1873
1874         * tree-promote-statics.c (pass_promote_statics): Change dump file
1875          name.
1876
1877 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
1878
1879         * tree-optimize.c (init_tree_optimization_passes): Add
1880         pass_eliminate_useless_stores pass.
1881         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
1882         * tree-ssa-pre.c (is_copy_stmt): New function.
1883         (follow_copies_till_vuse): Ditto.
1884         (do_eustores): Ditto.
1885         (gate_eustores): Ditto.
1886
1887 2005-07-16  Richard Henderson  <rth@redhat.com>
1888
1889         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
1890
1891 2005-07-16 Danny Berlin <dberlin@dberlin.org>
1892            Kenneth Zadeck <zadeck@naturalbridge.com>
1893
1894         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
1895         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
1896         ipa-type-escape.h, tree-promote-statics.c
1897         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
1898         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
1899         tree-promote-statics.c: new files.
1900         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
1901         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
1902         int nonlocal_set_p, mark_constant_function): Deleted.
1903         (rest_of_handle_cfg): Removed call to mark_constant_function.
1904         (nonoverlapping_component_refs_p): Added calls to support
1905         type based aliasing.
1906         * tree-ssa-alias.c (may_alias_p,
1907         compute_flow_insensitive_aliasing): Ditto.
1908         * calls.c (flags_from_decl_or_type): Removed reference to
1909         cgraph_rtl_info.
1910         * c-typeck.c (convert_arguments): Make builtins tolerant of having
1911         too many arguments.  This is necessary for Spec 2000.
1912         * cgraph.h (const_function, pure_function): Removed.
1913         * common.opt: Added "fipa-pure-const", "fipa-reference",
1914         "fipa-type-escape", and "ftree-promote-static".
1915         * opts.c: Ditto.
1916         * passes.c: Added ipa and tree-promote-statics passes.
1917         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
1918         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
1919         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
1920         * tree-flow.h: Added exposed sra calls and addition of
1921         reference_vars_info field for FUNCTION_DECLS.
1922         * tree-pass.h: Added passes.
1923         * tree-sra.c: (sra_init_cache): New function.
1924         (sra_insert_before, sra_insert_after) Made public.
1925         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
1926         and made public.
1927         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
1928         aliasing. (may_alias_p): Added code to use type escape analysis to
1929         improve alias sets.
1930         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
1931         code to prune clobbers of static variables based on information
1932         produced in ipa-reference pass.  Changed call clobbering so that
1933         statics are not marked as clobbered if the call does not clobber
1934         them.
1935
1936 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
1937
1938         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
1939         too.
1940
1941 2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
1942
1943         * doc/install.texi (*-*-solaris2*): Document recommended version
1944         of GNU binutils and mention GNU linker problem on Solaris 10.
1945
1946 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
1947
1948         PR c/22421
1949         * c-decl.c (c_build_bitfield_integer_type): New function.
1950         (finish_struct): Call it.
1951         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
1952
1953 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1954
1955         * c-typeck.c (digest_init): Call 'convert_for_assignment'
1956         before returning.
1957
1958 2005-07-16  Jan Hubicka  <jh@suse.cz>
1959
1960         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
1961         (scale_bbs_frequencies_int): Watch roundoff errors.
1962         * predict.c (return_prediction): Initialize return_stmt.
1963
1964 2005-07-16  Jan Hubicka  <jh@suse.cz>
1965
1966         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
1967         after RTL profiling.
1968
1969 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
1970
1971         PR middle-end/22398
1972         * fold-const.c (build_range_check): Convert high/low to etype
1973         if we are only comparing against exp.
1974
1975 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
1976
1977         Fix PR tree-optimization/22376
1978         * tree-ssa-structalias.c (build_constraint_graph): We really meant
1979         special var here.
1980         (need_to_solve): New function.
1981         (compute_points_to_sets): Use it.
1982
1983 2005-07-15  Jan Hubicka  <jh@suse.cz>
1984
1985         * cfg.c (update_bb_profile_for_threading): More diagnostic.
1986         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
1987
1988 2005-07-15  Richard Guenther  <rguenther@suse.de>
1989
1990         * c-common.c (handle_flatten_attribute): New function.
1991         Add flatten function attribute.
1992         * doc/extend.texi: Document flatten function attribute.
1993         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
1994         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
1995         New functions.
1996         (cgraph_decide_inlining): Handle functions with flatten
1997         attribute.
1998
1999 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
2000
2001         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
2002         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
2003         UNSPEC_XCHG, UNSPEC_AND): New.
2004         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
2005         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
2006         * config/rs6000/sync.md (FETCHOP): New code macro.
2007         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
2008         New code attrs.
2009         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
2010         (sync_compare_and_swap<mode>): Same.
2011         (sync_lock_test_and_set<mode>): Same.
2012         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
2013         for QImode and HImode, and not PPC405.
2014         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
2015         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
2016         (sync_<fetchop>{si,di}_internal): New.
2017         (sync_nand{si,di}_internal): New.
2018         (sync_old_<fetchop>{si,di}_internal): New.
2019         (sync_old_nand{si,di}_internal): New
2020         (sync_new_<fetchop>{si,di}_internal): New.
2021         (sync_new_nand{si,di}_internal): New.
2022         (atomic_and{si,di}): New.
2023         (sync_new_nand{si,di}_internal): New.
2024         (atomic_and{si,di}): New.
2025         (sync_add<mode>_internal): Delete.
2026         (sync_addshort_internal): Use unspec instead of unspec_volatile.
2027         (sync_sub<mode>_internal): Delte.
2028         (sync_subshort_internal): New.
2029         (sync_andsi_internal): Use unspec instead of unspec_volatile.
2030         (sync_anddi_internal): Delete.
2031         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
2032         (sync_booldi_internal): Delete.
2033         (sync_boolc<mode>_internal): Delete.
2034         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
2035         (sync_boolc<mode>_internal2): Delete.
2036         (sync_boolcc<mode>_internal): Delete.
2037         (isync, lwsync): Use unspec instead of unspec_volatile.
2038         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
2039         Revert UNSPEC_VOLATILE.
2040         (rs6000_split_atomic_op): New.
2041         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
2042
2043 2005-07-14  Eric Christopher  <echristo@redhat.com>
2044
2045         * config/mips/mips.c (mips_canonicalize_comparison): Cast
2046         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
2047
2048 2005-07-14  Eric Christopher  <echristo@redhat.com>
2049
2050         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
2051
2052 2005-07-14  Steven Bosscher  <stevenb@suse.de>
2053
2054         PR tree-optimization/22230
2055         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
2056         the computation of the four cross productions for "range op range".
2057
2058 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
2059             Ulrich Weigand  <uweigand@de.ibm.com>
2060
2061         PR target/20126
2062         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
2063         in some insn.
2064
2065 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
2066
2067         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
2068
2069 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
2070
2071         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
2072
2073 2005-07-14  Richard Guenther  <rguenther@suse.de>
2074
2075         PR middle-end/22347
2076         * config/i386/i386-protos.h (ix86_function_value): Change
2077         prototype to match new target hook.
2078         * config/i386/i386.c (ix86_value_regno): Change prototype
2079         to take extra type argument.
2080         (TARGET_FUNCTION_VALUE): Define.
2081         (ix86_function_ok_for_sibcall): Pass extra argument to
2082         ix86_value_regno, check return slot rtx for exact match.
2083         (ix86_function_value): Take extra parameter.  Dispatch to
2084         ix86_value_regno with fndecl/fntype as provided.
2085         (ix86_value_regno): Handle extra type argument.
2086         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
2087
2088         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
2089         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
2090         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
2091         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
2092         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
2093
2094 2005-07-14  Richard Guenther  <rguenther@suse.de>
2095
2096         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
2097         * calls.c (expand_call): Pass fntype to hard_function_value.
2098         (emit_library_call_value_1): Likewise.
2099         * explow.c: Include target.h.
2100         (hard_function_value): Take extra argument, the fntype.
2101         Use new target hook for function_value.
2102         * expr.h (hard_function_value): Change prototype.
2103         * function.c (aggregate_value_p): Pass 0 as fntype to
2104         hard_function_value.
2105         (assign_parms): Use new target hook for function_value.
2106         Pass 0 as fntype to hard_function_value.
2107         (expand_function_end): Likewise.
2108         * reg-stack.c: Include target.h.
2109         (stack_result): Use new target hook for function_value.
2110         * target-def.h: New target hook function_value.
2111         * target.h: Likewise.
2112         * targhooks.c (default_function_value): New function.
2113         * targhooks.h (default_function_value): Declare.
2114
2115 2005-07-13  Ian Lance Taylor  <ian@airs.com>
2116
2117         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2118
2119 2005-07-14  Jan Hubicka  <jh@suse.cz>
2120
2121         * tree-dfa.c (dump_variable): Use default_def function.
2122         * tree-ssa-alias.c (dump_points_to_info): Likewise.
2123         * tree-ssa.c (verify_use): Likewise.
2124         * tree-ssanames.c (release_ssa_name): Likewise.
2125         * tree-tailcall.c (eliminate_tail_call): Likewise.
2126         (tree_optimize_tail_calls_1): Likewise.
2127         * tree-vrp.c (get_value_range): Likewise.
2128
2129 2005-07-14  Ben Elliston  <bje@au.ibm.com>
2130
2131         * gcc.c (main): Compare language[0] with '*' when iterating over
2132         the infiles.
2133
2134 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
2135
2136         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
2137         "s390_emit_compare".  Add handling of CCZ1mode.
2138         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
2139         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
2140         checking.
2141         (s390_branch_condition_mask): Add CCZ1mode handling.
2142         * config/s390/s390.md: ("seq", "*seq"): New pattern.
2143         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
2144         Use CCZ1mode instead of CCZmode.
2145         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
2146
2147 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
2148
2149         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
2150         pattern.
2151         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
2152
2153 2005-07-13  Eric Christopher  <echristo@redhat.com>
2154
2155         * config/mips/mips.c (mips_canonicalize_comparison): New.
2156         (mips_emit_int_relational): Use.
2157
2158 2005-07-13  Eric Christopher  <echristo@redhat.com>
2159
2160         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
2161         static extra parts.
2162         * config/s390/s390.md: Include tpf.md. Move tpf specific
2163         patterns...
2164         * config/s390/tpf.md: To here.
2165         * config/s390/s390.opt: Move tpf specific options...
2166         * config/s390/tpf.opt: to here. Add mmain option.
2167         * config/s390/tpf-unwind.h: Remove unnecessary defines.
2168         * config/s390/tpf.h: Rewrite.
2169
2170 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
2171
2172         * doc/tm.texi: Remove @xref{Cross-profiling}.
2173
2174 2005-07-13  Jeff Law  <law@redhat.com>
2175
2176         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
2177         expressions, test their _DECL operands for pointer equality rather
2178         than using operand_equal_p.
2179
2180 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
2181
2182         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
2183         (TARGET_POSIX_IO): This.
2184         * config/darwin.h: Likewise.
2185         * config/freebsd.h: Likewise.
2186         * config/linux.h: Likewise.
2187         * config/lynx.h: Likewise.
2188         * config/netbsd.h: Likewise.
2189         * config/rs6000/linux64.h: Likewise.
2190         * config/rs6000/linux.h: Likewise.
2191         * config/s390/tpf.h: Likewise.
2192         * config/sh/embed-elf.h: Likewise.
2193         * config/sparc/linux64.h: Likewise.
2194         * config/sparc/linux.h: Likewise.
2195         * config/svr4.h: Likewise.
2196         * gcov-io.h: Likewise.
2197
2198         * doc/tm.texi: Updated.
2199
2200         * libgcov.c (create_file_directory): Defined only if
2201         TARGET_POSIX_IO is defined.
2202         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
2203         is defined.
2204
2205 2005-07-13  Jan Hubicka  <jh@suse.cz>
2206
2207         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
2208
2209 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
2210
2211         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
2212         structure as argument.
2213
2214 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
2215
2216         PR tree-optimization/21921
2217         * tree-iterator.c (tsi_link_before): Support the case when
2218         tsi_end_p (tsi) == true.
2219
2220 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
2221
2222         PR tree-optimization/22442
2223         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
2224         correctly.
2225
2226 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
2227
2228         PR rtl-optimization/20376
2229         * toplev.c (process_options): Enable -fweb and -frename-registers when
2230         unrolling.
2231         * doc/invoke.texi: Update the information about when -fweb and
2232         -frename-registers are enabled.
2233
2234 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
2235
2236         PR tree-opt/21840
2237         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
2238         if *rhs_p is not a SSA_NAME.
2239
2240 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
2241
2242         Fix PR tree-optimization/22422
2243         * tree-ssa-structalias.c (struct variable_info): Add flag for
2244         special vars.
2245         (get_varinfo): Now a static function.
2246         (new_varinfo): init has_union and is_special_var to false.
2247         (solution_set_add): Check has_union.
2248         (do_da_constraint): Move temporary variable so it gets reset
2249         properly.
2250         Also check for special variable.
2251         (do_ds_constraint): Ditto.
2252         (do_sd_constraint): Ditto.
2253         (do_structure_copy): Check for special variable.
2254         (find_func_aliases): Ditto.
2255         (init_base_vars): Set special vars properly.
2256
2257 2005-07-13  Jan Hubicka  <jh@suse.cz>
2258
2259         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
2260         do unit-at-a-time.
2261
2262         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
2263         (get_expr_operands): Fix thinko wrt flags and subvars.
2264
2265         PR tree-optimize/22379
2266         * tree-inline.c (expand_call_inline): Do not output sorry in early
2267         inlining.
2268
2269 2005-07-12  Dale Johannesen  <dalej@apple.com>
2270
2271         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
2272
2273 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
2274
2275         PR bootstrap/21704
2276         * host-linux.h: Include limits.h.
2277
2278 2005-07-12  Dale Johannesen  <dalej@apple.com>
2279
2280         * expr.c (compress_float_constant):  Add cost check.
2281         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
2282
2283 2005-07-12  Dale Johannesen  <dalej@apple.com>
2284
2285         * gcc.target/i386/compress-float-sse.c:  New.
2286         * gcc.target/i386/compress-float-sse-pic.c:  New.
2287         * gcc.target/i386/compress-float-387.c:  New.
2288         * gcc.target/i386/compress-float-387-pic.c:  New.
2289         * gcc.dg/compress-float-ppc.c:  New.
2290         * gcc.dg/compress-float-ppc-pic.c:  New.
2291
2292 2005-07-12  Eric Christopher  <echristo@redhat.com>
2293
2294         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
2295         static extra parts.
2296         * config/s390/s390.md: Include tpf.md. Move tpf specific
2297         patterns...
2298         * config/s390/tpf.md: To here.
2299         * config/s390/s390.opt: Move tpf specific options...
2300         * config/s390/tpf.opt: to here. Add mmain option.
2301         * config/s390/tpf-unwind.h: Remove unnecessary defines.
2302         * config/s390/tpf.h: Rewrite.
2303
2304 2005-07-12  Eric Christopher  <echristo@redhat.com>
2305
2306         * gcc.c (struct infile): Update comment for language.
2307         (main): Rewrite input file resetting code.
2308
2309 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
2310
2311         PR tree-opt/22335
2312         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
2313         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
2314         (lookup_avail_expr): Use constant_boolean_node instead
2315         of boolean_false_node/boolean_true_node.
2316
2317 2005-07-12  Ben Elliston  <bje@au.ibm.com>
2318
2319         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
2320         and use it when printing num_edges.
2321
2322 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2323
2324         * doc/extend.texi (Blackfin Built-in Functions): New section.
2325         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
2326         @opindex.
2327
2328 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
2329
2330         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
2331         s/cmpstrsi/cmpstrnsi
2332         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
2333         'cmpstrnsi'.
2334         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
2335         (init_optabs): Initialize cmpstrn_optab.
2336         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
2337         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
2338         * expr.c: (enum insn_code cmpstrn_optab): Declare.
2339         * config/i386/i386.md: s/cmpstr/cmpstrn
2340         * config/c4x/c4x.md: s/cmpstr/cmpstrn
2341         * doc/md.texi: Update documentation.
2342
2343 2005-07-11  Richard Henderson  <rth@redhat.com>
2344
2345         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
2346         build_va_arg_indirect_ref.
2347         (alpha_gimplify_va_arg): Likewise.
2348         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2349         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
2350         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
2351         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2352         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
2353         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
2354         Likewise.
2355         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
2356
2357 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
2358
2359         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
2360         * passes.c (init_optimization_passes): Add pass_empty_loop.
2361         * tree-pass.h (pass_empty_loop): Declare.
2362         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
2363         try_remove_empty_loop, remove_empty_loops): New functions.
2364         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
2365         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
2366
2367 2005-07-12  Peter Barada  <peter@the-baradas.com>
2368
2369         PR middle-end/16719
2370         PR middle-end/18421
2371         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
2372         in address registers.
2373         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
2374         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
2375         alternative of addsi3_5200.
2376
2377 2005-07-11  Ian Lance Taylor  <ian@airs.com>
2378
2379         * config/mips/mips.md (ffs<mode>2): Remove.
2380
2381 2005-07-11  Ian Lance Taylor  <ian@airs.com>
2382
2383         * doc/tree-ssa.texi (Cleanups): Improve description of
2384         TRY_FINALLY_EXPR.
2385         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
2386
2387 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
2388
2389         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
2390         * tree.h (DECL_ARGUMENT_FLD): New macro.
2391
2392 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
2393
2394         Fix PR tree-optimization/22404
2395
2396         * tree-ssa-structalias.c (create_variable_info_for): Use
2397         correct offset.
2398
2399 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2400
2401         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
2402         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
2403         for second comparison operand.
2404         * config/bfin/predicates.md (reg_or_const_int_operand): New.
2405
2406         * config/bfin/bfin.md (define_attr "type"): Add "sync".
2407         (define_insn_reservation "alu"): Likewise.
2408         (csync, ssync): Now of type sync.
2409         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
2410         -mcsync-anomaly -mspecld-anomaly.
2411         * config/bfin/bfin.opt (mcsync): Remove.
2412         (mcsync-anomaly, mspecld-anomaly): Add.
2413         * config/bfin/bfin.c: Include "insn-codes.h".
2414         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
2415         (TARGET_DEFAULT_TARGET_FLAGS): New.
2416         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
2417
2418 2005-07-11  Steven Bosscher  <stevenb@suse.de>
2419
2420         * basic-block.h: Give the BB flags enum a name, bb_flags.
2421         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
2422         * cfgcleanup.c (enum bb_flags): Remove here.
2423         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
2424         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
2425         (update_forwarder_flag): Likewise.
2426         (thread_jump): Likewise.
2427         (try_forward_edges): Likewise.
2428         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
2429         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
2430         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
2431
2432 2005-07-11  Richard Guenther  <rguenther@suse.de>
2433
2434         * config/i386/i386.opt: New target option -msseregparm.
2435         * config/i386/i386.c (override_options): Error out for
2436         -msseregparm but no SSE support.
2437         (ix86_function_sseregparm): Check for global sseregparm.
2438         * doc/invoke.texi: Document -msseregparm.
2439
2440 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2441
2442         * config.gcc (m32r-*-linux*): Use the default extra_parts.
2443         (m32rle-*-linux*): Ditto.
2444
2445 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
2446
2447         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
2448         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
2449         bytes.
2450
2451 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2452
2453         PR middle-end/22239
2454         PR target/20126
2455         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
2456         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
2457
2458 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
2459
2460         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
2461         (varmap): Heapify varmap.
2462         (constraints): Heapify constraints.
2463         (struct constraint_graph): Heapify succs and preds.
2464         (constraint_vec_find): Update for heapification.
2465         (constraint_set_union): Ditto.
2466         (insert_into_complex): Ditto.
2467         (constraint_edge_vec_find): Ditto.
2468         (erase_graph_self_edge): Ditto.
2469         (add_graph_edge): Ditto.
2470         (get_graph_weights): Ditto.
2471         (merge_graph_nodes): Ditto.
2472         (build_constraint_graph): Ditto.
2473         (topo_visit): Ditto.
2474         (solve_graph): Ditto.
2475         (create_variable_info_for): Ditto.
2476         (init_base_vars): Ditto.
2477         (delete_points_to_sets): Free graph, varmap, and complex constraints.
2478         (condese_varmap_nodes): Free complex vector.
2479         (clear_edges_for_node): Clear succs and preds vector.
2480
2481 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
2482
2483         * tree-ssa-structalias.c (update_alias_info): Change counting of
2484         references to not include vdefs.
2485
2486 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
2487
2488         * tree-ssa-alias.c (free_used_part_map): Add missing free.
2489         (up_insert): Ditto.
2490
2491 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2492
2493         * pa.c (pa_commutative_p): Make PLUS commutative when
2494         TARGET_NO_SPACE_REGS is true.
2495
2496 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
2497
2498         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
2499         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
2500         * tree-dfa.c (dump_subvars_for): New.
2501         (debug_subvars_for): New.
2502         (dump_variable): Show subvariables if VAR has them.
2503         * tree-flow-inline.h (get_subvar_at): New.
2504         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
2505         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
2506         Update all users.
2507         (struct subvar): Change fields offset and size to unsigned
2508         HOST_WIDE_INT.
2509         (dump_subvars_for): Declare.
2510         (debug_subvars_for): Declare.
2511         (get_subvar_at): Declare.
2512         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
2513         to unsigned HOST_WIDE_INT *.
2514         (overlap_subvar): Likewise.
2515         * tree-gimple.c (is_gimple_reg): Always return false for
2516         SFTs and memory tags.
2517         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
2518         Update all callers.
2519         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
2520         (compute_may_aliases): Call compute_points_to_sets.
2521         (collect_points_to_info_for): Remove.
2522         (compute_points_to_and_addr_escape): Remove.
2523         (delete_alias_info): Call delete_points_to_sets.
2524         (compute_flow_sensitive_aliasing): If the call to
2525         find_what_p_points_to returns false, call set_pt_anything.
2526         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
2527         (set_pt_anything): Clear pi->pt_vars.
2528         (set_pt_malloc): Remove.
2529         (merge_pointed_to_info): Remove.
2530         (add_pointed_to_expr): Remove.
2531         (add_pointed_to_var): Remove.
2532         (collect_points_to_info_r): Remove.
2533         (is_escape_site): Make extern.
2534         (create_sft): New.
2535         (create_overlap_variables_for): Call it.
2536         * tree-ssa-copy.c (merge_alias_info): Never merge
2537         flow-sensitive alias information.
2538         * tree-ssa-operands.c (get_expr_operands): Adjust variables
2539         offset and size to be unsigned HOST_WIDE_INT.
2540         (add_to_addressable_set): Rename from note_addressable.
2541         Set TREE_ADDRESSABLE as the variables are added to the set.
2542         Update all users.
2543         (add_stmt_operand): Do not try to micro-optimize unmodifiable
2544         operands into VUSEs when adding V_MAY_DEFs for members in an
2545         alias set.
2546         * tree-ssa-operands.h (add_to_addressable_set): Declare.
2547         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
2548         (struct variable_info): Add bitfield is_heap_var.
2549         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
2550         (new_var_info): Initialize is_heap_var.
2551         (get_constraint_for): Add HEAP variables to the symbol table.
2552         Mark them with is_heap_var.
2553         (update_alias_info): New.  Taken mostly from the old
2554         compute_points_to_and_addr_escape.
2555         (handle_ptr_arith): New.
2556         (find_func_aliases): Call update_alias_info.
2557         Call handle_ptr_info for tcc_binary expressions.
2558         Call mark_stmt_modified.
2559         (create_variable_info_for): If DECL has subvars, do not create
2560         variables for its subvars.  Always add all the fields.
2561         (set_uids_in_ptset): If the solution includes ANYOFFSET and
2562         SFTs, then add all the SFTs of the structure.
2563         If VI->DECL is an aggregate with subvariables, add the SFT at
2564         VI->OFFSET.
2565         (find_what_p_points_to): If VI is an artificial variable,
2566         translate to bitfields in SSA_NAME_PTR_INFO.
2567         If the solution is empty, set pi->pt_vars to NULL
2568         (init_base_vars): Create ANYOFFSET.
2569         (compute_points_to_sets): Rename from create_alias_vars.
2570         Make extern.
2571         (pass_build_pta): Remove.
2572         (delete_points_to_sets): Rename from delete_alias_vars.
2573         (pass_del_pta): Remove.
2574         * tree-ssa-structalias.h (struct alias_info): Move from
2575         tree-ssa-alias.h.
2576         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
2577         NUM_REFERENCES_SET): Likewise.
2578         (compute_points_to_sets, delete_points_to_sets): Declare.
2579
2580 2005-07-09  Richard Henderson  <rth@redhat.com>
2581
2582         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
2583         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
2584         alpha_split_lock_test_and_set_12): New functions.
2585         * config/alpha/alpha-protos.h: Update.
2586         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
2587         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
2588         * config/alpha/sync.md (I12MODE): New.
2589         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
2590         (sync_<fetchop_name><I48MODE>): Likewise.
2591         (sync_nand<I48MODE>): Likewise.
2592         (sync_old_<fetchop_name><I48MODE>): Likewise.
2593         (sync_new_<fetchop_name><I48MODE>): Likewise.
2594         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
2595         (sync_compare_and_swap<I48MODE>): Likewise.
2596         (sync_lock_test_and_set<I48MODE>): Likewise.
2597         (sync_compare_and_swap<I12MODE>): New.
2598         (sync_compare_and_swap<I12MODE>_1): New.
2599         (sync_lock_test_and_set<I12MODE>): New.
2600         (sync_lock_test_and_set<I12MODE>_1): New.
2601
2602 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
2603
2604         PR 21356
2605         PR 22332
2606         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
2607
2608 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
2609
2610         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
2611         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
2612
2613 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
2614
2615         PR target/21656
2616         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2617
2618 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
2619
2620         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
2621         memory_operand constraint.
2622         (store_conditional_<mode>): Same.
2623         (sync_compare_and_swap<mode>): Same.
2624         (sync_lock_test_and_set<mode>): Same.
2625
2626 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
2627
2628         Rewrite PIC support to more closely model actual instructions.
2629         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
2630         (cris_symbol): Remove prototypes for removed functions.
2631         (cris_pic_symbol_type_of, cris_valid_pic_const)
2632         (cris_expand_pic_call_address): Prototypes for new functions.
2633         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
2634         variable.
2635         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
2636         modifiers.
2637         <case ':'>: Add case for new punctuation character.
2638         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
2639         emitting (extra) PIC modifier.
2640         <case UNSPEC>: Do not assert for PLT.
2641         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
2642         (cris_expand_prologue, cris_expand_epilogue): Check
2643         for pic_offset_table_rtx usage instead of taking
2644         current_function_uses_pic_offset_table as the final word.
2645         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
2646         Remove flag_pic difference.
2647         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
2648         the moral equivalents of...
2649         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
2650         functions.
2651         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
2652         (cris_handle_option): Mark ARG as unused.
2653         (cris_expand_pic_call_address): New worker function for "call",
2654         "call_value".
2655         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
2656         output PIC constructs here.
2657         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
2658         as symbol-specific modifers, not whole or part of operands.
2659         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
2660         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
2661         constants and flag_pic.
2662         (CONSTANT_INDEX_P): Adjust for new functions.
2663         (enum cris_pic_symbol_type): New helper type.
2664         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
2665         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
2666         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
2667         define_constants.
2668         ("movsi"): Emit actual instructions for GOT and relative access.
2669         ("*movsi_got_load"): New pattern to set up the register holding
2670         the GOT pointer.
2671         ("*movsi_internal"): Operand 1 is not a plain general_operand.
2672         Adjust FIXME for 'S'.
2673         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
2674         Use "movs" for -fpic cases.
2675         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
2676         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
2677         ("call", "call_value"): Just call cris_expand_pic_call_address for
2678         PIC addresses.
2679         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
2680         Remove special pattern.
2681         ("*expanded_call_side", "*expanded_call_value_side"): New
2682         patterns.
2683         (gotplt-to-plt, gotplt-to-plt-side-call)
2684         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
2685         peephole2:s.
2686         * config/cris/cris/predicates.md
2687         ("cris_general_operand_or_gotless_symbol"): Remove unused
2688         predicate.
2689         ("cris_general_operand_or_symbol"): Adjust for new functions.
2690
2691 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
2692
2693         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
2694
2695 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
2696
2697         * Makefile.in (TREE_H): Add treestruct.def.
2698         (c-decl.o): Add pointer-set.h
2699         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
2700         visibility on regular DECL's.
2701         (merge_decls): Fix the copying of decl nodes of various types for
2702         the new structures.  Don't update RTL, section name, weak status,
2703         etc, on DECL's without RTL.
2704         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
2705         Don't check volatile on non-variable types.
2706         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
2707         to check whether we have seen arguments.
2708         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
2709         flag is checked before field (flag is common, field is not).
2710         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
2711         TS_DECL_COMMON could have an origin.
2712         (add_location_or_const_value_attribute): Don't check section name
2713         on non-var/function decls.
2714         (dwarf2out_var_location): Reverse order of tests.
2715         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
2716         with DECL_WRTL_CHECK.
2717         * expmed.c (make_tree): rtl is now in decl_with_rtl.
2718         * fold-const.c (fold_binary): Don't check weakness on
2719         non-var/function decls.
2720         (tree_expr_nonzero_p): Ditto.
2721         (fold_checksum_tree): Use tree_decl_extra as sizeof
2722         buffer.
2723         * ggc-page.c (extra_order_size_table): Add sizes for
2724         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
2725         tree_field_decl.
2726         * gimplify.c (gimplify_bind_expr): Only set
2727         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
2728         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
2729         without RTL.
2730         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
2731         * langhooks.h (init_ts). New langhook.
2732         * passes.c (rest_of_decl_compilation): Reverse order of tests.
2733         * print-tree.c (print_node): Update to only print fields that
2734         exist in the structures the passed decl has.
2735         * toplev.c (wrapup_global_declarations): Don't reset
2736         DECL_DEFER_OUTPUT on DECL's that don't contain it.
2737         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
2738         * tree-inline.c (remap_decl): Ditto.
2739         * tree-outof-ssa.c (create_temp): Reverse order of tests.
2740         * tree-pretty-print.c (print_declaration): Don't print
2741         DECL_REGISTER on things that don't contain it.
2742         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
2743         non-var/function decls.
2744         * tree.c (tree_contains_struct): New structure.
2745         (init_priority_for_decl): New hashtable.
2746         (tree_int_map): New structure.
2747         (tree_int_map_eq): New function.
2748         (tree_int_map_marked_p): Ditto.
2749         (tree_int_map_hash): Ditto.
2750         (tree_map): Move to tree.h.
2751         (tree_map_eq): Externalize.
2752         (tree_map_hash): Ditto.
2753         (tree_map_marked_p): Ditto.
2754         (init_ttree): Set up tree_contains_struct and call langhook.
2755         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
2756         (tree_code_size): Update for new structures.
2757         (tree_node_structure): Update for new structures.
2758         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
2759         without the field.
2760         (copy_node_stat):  Copy init priority.
2761         (build_decl_stat): Ditto for visibility.
2762         (ts_enum_names): New.
2763         (tree_contains_struct_check_failed): New function.
2764         (decl_init_priority_lookup): Ditto.
2765         (decl_init_priority_insert): Ditto.
2766         * treestruct.def: New file.
2767         * tree.h (CODE_CONTAINS_STRUCT): New macro.
2768         (CONTAINS_STRUCT_CHECK): Ditto.
2769         (tree_contains_struct_check_failed): New prototype.
2770         (DECL_CHECK): Removed.
2771         (DECL_MINIMAL_CHECK): New.
2772         (DECL_COMMON_CHECK): Ditto.
2773         (DECL_WRTL_CHECK): Ditto.
2774         (DECL_NON_COMMON_CHECK): Ditto.
2775         (DECL_WITH_VIS_CHECK): Ditto.
2776         (VAR_OR_FUNCTION_DECL_P): Ditto
2777         (struct tree_decl_minimal): New structure.
2778         (struct tree_decl_common): Ditto.
2779         (struct tree_decl_with_rtl): Ditto.
2780         (struct tree_decl_with_vis): Ditto.
2781         (struct tree_decl_non_common): Ditto.
2782         (struct tree_field_decl): Ditto.
2783         (struct tree_parm_decl): Ditto.
2784         (struct tree_var_decl): Ditto.
2785         (struct tree_function_decl): Ditto.
2786         (struct tree_const_decl): Ditto.
2787         (struct tree_result_decl): Ditto.
2788         (union tree_node): Add new structures.
2789         * var-tracking.c (track_expr_p): Reverse order of tests.
2790
2791         * doc/c-tree.texi: Add documentation on DECL node internal structure.
2792
2793 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
2794
2795         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
2796         * system.h: Poison FINALIZE_PIC.
2797         * doc/tm.texi (FINALIZE_PIC): Remove.
2798
2799 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
2800
2801         PR tree-opt/22329
2802         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
2803         to the correct type if we have a MODIFY_EXPR.
2804
2805 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
2806
2807         PR tree-optimization/22360
2808         * tree.c (upper_bound_in_type): Fix calculations for casting
2809         to a non-wider signed type and casting a signed value to a
2810         wider unsigned type.
2811         (lower_bound_in_type): Fix calculations for casting to a
2812         non-wider signed type.
2813
2814         PR tree-optimization/20139
2815         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
2816         release_defs.
2817         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
2818         fold_cond_expr_cond.
2819         * tree-ssanames.c (release_defs): Assert in_ssa_p.
2820         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
2821
2822 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
2823
2824         PR tree-opt/22356
2825         * tree-complex.c (expand_complex_libcall): Produce
2826         REALPART_EXPR/IMAGPART_EXPR with the correct type.
2827
2828 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
2829
2830         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
2831         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
2832         b" assert and inserted fastpath code for this case.
2833         (bitmap_ior): Removed "a != b" assert.
2834
2835 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2836
2837         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
2838         (ENDFILE_SPEC): Likewise.
2839         * config/m32r/m32r.h (ASM_SPEC): Likewise.
2840
2841         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
2842         a large stack frame at epilogue.
2843
2844 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
2845
2846         * final.c: Include sdbout.h when required.
2847
2848 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
2849
2850         * config.gcc (*-*-darwin*): Only one target-specific header file
2851         for generic darwin.
2852         (powerpc-*-darwin*): Add version-specific header files.
2853         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
2854         * config.in: Regenerate.
2855         * configure: Regenerate.
2856         * gcc.c: Include xregex.h.
2857         (version_compare_spec_function): New.
2858         (spec_function): Add version-compare.
2859         (replace_outfile_spec_function): Reformat comment.
2860         (compare_version_strings): New.
2861         * config/darwin-c.c (version_as_macro): New.
2862         (builtin_define): New.
2863         (darwin_cpp_builtins): New.
2864         * config/darwin-protos.h (darwin_cpp_builtins): New.
2865         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
2866         (LIB_SPEC): Make unconditional, update comment.
2867         (TARGET_C99_FUNCTIONS): Define.
2868         * config/darwin.opt: Sort.
2869         (mmacosx-version-min=): New.
2870         * config/darwin7.h: Delete.
2871         * config/darwin8.h: Delete.
2872         * config/i386/darwin.h (): Call darwin_cpp_builtins.
2873         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
2874         (TARGET_C99_FUNCTIONS): Define.
2875         * config/rs6000/darwin7.h: New.
2876         * config/rs6000/darwin8.h: New.
2877         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
2878         (-mmacosx-version-min): Document.
2879
2880 2005-07-07  Ian Lance Taylor  <ian@airs.com>
2881
2882         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
2883
2884 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
2885
2886         PR middle-end/22239
2887         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
2888
2889 2005-07-07  Khem Raj  <kraj@mvista.com>
2890
2891         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
2892         in bytes, not words.
2893
2894 2005-07-07  Paul Brook  <paul@codesourcery.com>
2895
2896         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
2897         DEFAULT_FUNCTION_ARG_PADDING to upward.
2898
2899 2005-07-07  Richard Henderson  <rth@redhat.com>
2900
2901         * function.c (locate_and_pad_parm): Record parameter alignment in
2902         stack_alignment_needed.
2903
2904 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
2905
2906         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
2907         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
2908         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
2909         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
2910         (define_attr "type"): Add isync, sync, load_l, store_c.
2911         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
2912         Create scratch volatile MEM.
2913         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
2914         sync.
2915         (load_locked_<mode>): New.
2916         (store_conditional_<mode>): New.
2917         (sync_compare_and_swap<mode>): Replace with splitter.
2918         (sync_lock_test_and_set<mode>): Replace with splitter.
2919         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
2920         and UNSPECV_ISYNC.
2921         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
2922         is ics.  Attribute isync.
2923         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
2924         lwsync.
2925         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
2926         and UNSPECV_SYNC_OP.
2927         (emit_unlikely_jump): New.
2928         (emit_load_locked): New.
2929         (emit_store_conditional): New.
2930         (rs6000_split_compare_and_swap): New.
2931         (rs6000_split_lock_test_and_set): New.
2932         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
2933         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
2934         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
2935         rs6000_split_lock_test_and_set): Declare.
2936         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
2937         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
2938         store_c, isync, sync.
2939
2940 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
2941
2942         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
2943         filenames to gtyp-gen.h.
2944         (s-typ-gen): Use it in place of for loops.
2945
2946 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
2947
2948         * hooks.c (hook_bool_rtx_int_false): New function.
2949         * hooks.h (hook_bool_rtx_int_false): Declare.
2950         * target-def.h (TARGET_COMMUTATIVE_P): Define.
2951         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
2952         * target.h (struct gcc_target): Add commutative_p member.
2953         * targhooks.c (hook_bool_rtx_commutative_p): New function.
2954         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
2955         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
2956         (pa_commutative_p): New function.
2957         * jump.c (target.h): Include.
2958         (rtx_renumbered_equal_p): Use targetm.commutative_p.
2959         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
2960
2961 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2962
2963         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
2964         (s390_expand_setmem): New.
2965         * config/s390/s390.c: Likewise.
2966         (print_shift_count_operand): Truncate to 12 bits instead of 6.
2967         Adapt comments.
2968         * config/s390/s390.md: ("setmem<mode>"): Accept character as
2969         general_operand.  Call new function "s390_expand_setmem".
2970         ("clrmem_long", "*clrmem_long"): Rewrite to ...
2971         ("setmem_long", "*setmem_long"): ... this.
2972
2973 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2974
2975         * config/s390/s390.c: (optimization_options): Enable
2976         TARGET_MVCLE at -Os.
2977         * doc/invoke.texi: Document changes in default behaviour.
2978         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
2979
2980 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2981
2982         * expr.c: (set_storage_via_setmem): Convert opchar to mode
2983         defined by back-end.
2984
2985 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
2986
2987         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
2988         all sets in the pattern.
2989         * config/rs6000/rs6000.md (stack_protect_testsi,
2990         stack_protect_testdi): Likewise.
2991
2992 2005-07-06  Jeff Law  <law@redhat.com>
2993
2994         * tree-vrp.c (simplify_using_ranges): Kill.
2995         (vrp_finalize): Remove call to simplify_using_ranges.
2996         (simplify_stmt_using_ranges): New function extracted from
2997         simplify_using_ranges.
2998         (simplify_div_or_mod_using_ranges): Likewise.
2999         (simplify_abs_using_ranges): Likewise.
3000         (simplify_cond_using_ranges): New function.
3001         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
3002         * tree-ssa-propagate.c (substitute_and_fold): Call
3003         simplify_stmt_using_ranges if we have range information.
3004
3005 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
3006
3007         * config/ia64/ia64.c (ia64_reorg): Check optimize before
3008         ia64_flag_schedule_isns2.
3009
3010         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
3011         reading/writing general registers.
3012         (ia64_function_arg): Revert 2005-06-18 change.
3013
3014 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
3015
3016         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
3017         (legitimize_tls_address): Use gcc_unreachable instead of abort.
3018
3019 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
3020
3021         * function.c (expand_function_end): Revert part of 2005-06-27
3022         patch.  Do sjlj_emit_function_exit_after after return_label.
3023
3024 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
3025
3026         * doc/install.texi (--disable-libssp): New.
3027
3028 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
3029
3030         * doc/invoke.texi: Update -fforce-mem documentation.
3031         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
3032         code for -fforce-mem.
3033         * expmed.c: (store_bit_field,store_fixed_bit_field,
3034         extract_bit_field): Ditto.
3035         * expr.c: (convert_move): Ditto.
3036         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
3037         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
3038         emit_conditional_add,expand_float,expand_fix): Ditto.
3039         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
3040         (common_handle_option): Issue warning when -fforce-mem specified.
3041
3042 2005-07-06  Paul Brook  <paul@codesourcery.com>
3043
3044         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
3045         argument is empty.
3046         * configure: Regenerate.
3047
3048 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
3049
3050         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
3051
3052 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
3053
3054         Fix PR tree-optimization/22319
3055         Fix PR tree-optimization/22140
3056         Fix PR tree-optimization/22310
3057
3058         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
3059         variable sized types.
3060         Use correct type for intermediate structure on *a = *b structure
3061         copies.
3062
3063 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
3064
3065         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
3066         Remove.
3067         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
3068         (machine_function): Move typedef to...
3069         * config/rs6000/rs6000.c (machine_function): ... here.  Add
3070         varargs_save_offset field.
3071         (rs6000_stack_t): Remove varargs_size field.
3072         (setup_incoming_varargs): Allocate varargs save area using
3073         assign_stack_local, try to make it as small as possible.
3074         Save offset from virtual_stack_vars_rtx to the save area
3075         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
3076         instead of magic 8 when fp word byte size is used.
3077         (rs6000_va_start): Use cfun->machine->varargs_save_offset
3078         instead of -RS6000_VARARGS_SIZE.
3079         (rs6000_stack_info, debug_stack_info,
3080         rs6000_initial_elimination_offset): Remove all traces of
3081         varargs_size.
3082         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
3083         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
3084         RS6000_VARARGS_AREA.
3085
3086 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
3087
3088         PR tree-optimization/21963
3089         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
3090         constant_multiple_of in the same way get_computation_cost_at does.
3091
3092 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
3093
3094         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
3095         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
3096         (gen_compare_reg): If sparc_compare_emitted is set, clear it
3097         and return its previous value.
3098         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
3099         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
3100         constants.
3101         (stack_protect_set, stack_protect_test): New expanders.
3102         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
3103         stack_protect_testdi): New insns.
3104         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3105         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
3106
3107 2005-07-06  Jeff Law  <law@redhat.com>
3108
3109         * tree-ssa-dce.c (cfg_altered): New global.
3110         (tree_dce_init): Initialize cfg_altered.
3111         (remove_dead_stmt): If we remove an edge in the CFG, then set
3112         CFG_ALTERED.
3113         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
3114         the dominators.
3115
3116 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
3117
3118         * Makefile.in (stamp-collect-ld): Use
3119         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
3120         ./collect-ld if it already exists.
3121         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
3122         Don't remove ./nm if it already exists.
3123
3124 2005-07-05  Devang Patel  <dpatel@apple.com>
3125
3126         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
3127         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
3128         * tree-vectorizer.c (vect_loop_location): New.
3129         (vect_print_dump_info): Use vect_loop_location.
3130         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
3131         (vectorize_loops): Set vect_loop_location.
3132         * tree-vect-analyze.c (vect_analyze_offset_expr,
3133         vect_determin_vectorization_factor, vect_analyze_operations,
3134         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
3135         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
3136         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
3137         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
3138         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
3139         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
3140         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
3141         vect_analyze_loop): Adjust vect_print_dump_info API.
3142         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3143         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
3144         vect_finish_stmt_generation, vectorizable_assignment,
3145         vectorizable_operation, vectorizable_store, vectorizable_load,
3146         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
3147         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3148         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
3149         vect_transform_loop): Same.
3150         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
3151         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
3152         Same.
3153
3154 2005-07-05  Randolph Chung  <tausq@debian.org>
3155
3156         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
3157         * configure: Regenerate.
3158         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
3159         (pa_tls_referenced_p): Declare.
3160         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
3161         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
3162         (legitimize_tls_address): New.
3163         (hppa_legitimize_address): Handle TLS addresses.
3164         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
3165         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3166         (emit_move_sequence): Handle TLS addresses.
3167         (pa_encode_section_info): Call default handler to handle common
3168         sections.
3169         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
3170         (CONSTANT_ADDRESS_P): Reject TLS operands.
3171         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
3172         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
3173         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
3174         (UNSPEC_TLSLE): Define new constants.
3175         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
3176         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
3177         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
3178         (tie_symbolic_operand, tle_symbolic_operand): New
3179
3180 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
3181
3182         * aclocal.m4: Update macros for autoconf 2.59 style.
3183         * configure.ac: Likewise.
3184
3185 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3186
3187         * pa.c (function_value): Handle small aggregates on 32-bit targets.
3188         (function_arg): Pass small aggregates in general registers on 32-bit
3189         targets.
3190         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
3191
3192 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
3193
3194         * Makefile.in (final.o): Fix dependencies.
3195
3196 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
3197
3198         PR c/22013
3199         PR c/22098
3200         * langhooks.h (struct lang_hooks): Add expr_to_decl.
3201         * langhooks.c (lhd_expr_to_decl): New.
3202         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
3203         New.
3204         (LANG_HOOKS_INITIALIZER): Update.
3205         * tree.c (recompute_tree_invarant_for_addr_expr): Call
3206         expr_to_decl langhook.
3207         * c-tree.h (c_expr_to_decl): Declare.
3208         * c-typeck.c (c_expr_to_decl): New.
3209         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
3210         specially.
3211         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
3212
3213 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
3214
3215         PR c/22308
3216         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
3217         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
3218
3219 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
3220
3221         * Makefile.in: Adjust dependencies.
3222         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
3223         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
3224         * alias.c (rest_of_handle_cfg, pass_cfg): New.
3225         * bb-reorder.c (duplicate_computed_gotos): Make it static.
3226         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
3227         rest_of_compilation.
3228
3229         * bb-reorder.c (gate_duplicate_computed_gotos,
3230         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
3231         rest_of_handle_reorder_blocks, pass_reorder_blocks,
3232         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
3233         pass_partition_blocks): New.
3234         * bt-load.c (gate_handle_branch_target_load_optimize,
3235         rest_of_handle_branch_target_load_optimize,
3236         pass_branch_target_load_optimize): New.
3237         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
3238         pass_jump2): New.
3239         * cfglayout.c (pass_insn_locators_initialize): New.
3240         * cfgrtl.c (pass_free_cfg): New.
3241         * combine.c (gate_handle_combine, rest_of_handle_combine,
3242         pass_combine): New.
3243         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
3244         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
3245         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
3246         * except.c (pass_set_nothrow_function_flags,
3247         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
3248         pass_rtl_eh): New.
3249         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
3250         rest_of_handle_shorten_branches, pass_shorten_branches,
3251         rest_of_clean_state, pass_clean_state): New.
3252         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
3253         rest_of_handle_remove_death_notes, pass_remove_death_notes,
3254         rest_of_handle_life, pass_life, rest_of_handle_flow2,
3255         pass_flow2): New.
3256         * function.c (pass_instantiate_virtual_regs, pass_init_function,
3257         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
3258         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
3259         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
3260         pass_gcse): New.
3261         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
3262         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
3263         pass_rtl_ifcvt, gate_handle_if_after_combine,
3264         rest_of_handle_if_after_combine, pass_if_after_combine,
3265         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
3266         pass_if_after_reload): New.
3267         * integrate.c (pass_initial_value_sets): New.
3268         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
3269         pass_purge_lineno_notes): New.
3270         * mode-switching.c (rest_of_handle_mode_switching,
3271         pass_mode_switching): New.
3272         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
3273         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
3274         pass_loop2): New.
3275         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
3276         pass_loop_optimize): New.
3277         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
3278         pass_sms): New.
3279         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
3280         pass_gcse2): New.
3281         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
3282         pass_postreload_cse): New.
3283         * profile.c (gate_handle_profiling, pass_profiling,
3284         rest_of_handle_branch_prob, pass_branch_prob): New.
3285         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
3286         pass_split_before_regstack, gate_handle_split_before_regstack,
3287         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
3288         rest_of_handle_split_all_insns, pass_split_all_insns): New.
3289         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
3290         pass_stack_regs): New.
3291         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
3292         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
3293         pass_stack_adjustments): New.
3294         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
3295         pass_regrename): New.
3296         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
3297         pass_delay_slots, gate_handle_machine_reorg,
3298         rest_of_handle_machine_reorg, pass_machine_reorg): New.
3299         * rtl.h (extern void purge_line_number_notes): New.
3300         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
3301         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
3302         pass_sched2): New.
3303         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
3304         pass_tracer): New.
3305         * value-prof.c (gate_handle_value_profile_transformations,
3306         rest_of_handle_value_profile_transformations,
3307         pass_value_profile_transformations): New.
3308         * var-tracking.c (gate_handle_var_tracking,
3309         pass_variable_tracking): New.
3310         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
3311
3312         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
3313         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
3314         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
3315         rest_of_handle_old_regalloc, rest_of_handle_regrename,
3316         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
3317         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
3318         rest_of_handle_gcse2, rest_of_handle_regmove,
3319         rest_of_handle_tracer, rest_of_handle_if_conversion,
3320         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
3321         rest_of_handle_web, rest_of_handle_branch_prob,
3322         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
3323         rest_of_handle_jump_bypass, rest_of_handle_combine,
3324         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
3325         rest_of_handle_gcse, rest_of_handle_loop_optimize,
3326         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
3327         rest_of_handle_mode_switching, rest_of_handle_jump,
3328         rest_of_handle_eh, rest_of_handle_stack_adjustments,
3329         rest_of_handle_flow2, rest_of_handle_jump2,
3330         rest_of_handle_peephole2, rest_of_handle_postreload,
3331         rest_of_handle_shorten_branches, rest_of_clean_state,
3332         rest_of_compilation): Remove.
3333
3334         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
3335         * passes.c (dump_flags, in_gimple_form, all_passes,
3336         all_ipa_passes, all_lowering_passes, register_one_dump_file,
3337         register_dump_files, next_pass_1, last_verified, execute_todo,
3338         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
3339         from tree-optimize.c.
3340         (init_optimization_passes): Moved from tree-optimize.c,
3341         adding the RTL optimizations.
3342         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
3343         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
3344         all_ipa_passes, all_lowering_passes, register_one_dump_file,
3345         register_dump_files, next_pass_1, last_verified, execute_todo,
3346         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
3347         init_tree_optimization_passes, ipa_passes): Delete.
3348         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
3349         the RTL dumps.
3350         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
3351         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
3352         from tree.h.
3353         (ipa_passes): Remove.
3354         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
3355         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
3356         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
3357         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
3358         (dump_info_p, dump_flag): Moved to tree-dump.h.
3359
3360         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
3361         cgraph.c, opts.c.
3362         * passes.c (finish_optimization_passes): Use dump_begin
3363         and dump_end, TDI_end.
3364         (gate_rest_of_compilation): New.
3365         (pass_rest_of_compilation): Use it.
3366         (gate_postreload, pass_postreload): New.
3367         * toplev.c (general_init): Rename init_tree_optimization_passes.
3368         * toplev.h (init_tree_optimization_passes): Rename to
3369         init_optimizations_passes.
3370         * tree-dump.c (dump_flag): Make static.
3371         (dump_files): Remove RTL dumps.
3372         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
3373         pass_cleanup_cfg, pass_free_cfg_annotations,
3374         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
3375         pass_init_datastructures, pass_fixup_cfg): Make non-static.
3376         * tree-pretty-print.c: Include tree-pass.h.
3377         * cgraph.c: Include tree-dump.h.
3378
3379 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
3380
3381         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
3382         Only fall back to saying it points to readonly memory if
3383         we can't do better.
3384
3385 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
3386
3387         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
3388         * config/m32r/m32r.c (m32r_compute_frame_size,
3389         m32r_expand_prologue): Take current_function_profile into
3390         account whenever we reference
3391         current_function_uses_pic_offset_table.
3392         (m32r_finalize_pic): Remove.
3393         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
3394
3395 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
3396
3397         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
3398         instead of $<.  Don't remove ./as if it already exists.
3399
3400 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3401
3402         PR target/21723
3403         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
3404         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
3405         for complex modes when generating code for PA 1.0.
3406         (VALID_FP_MODE_P): New macro.
3407         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
3408         sets for all general and floating point modes.  Align wide floating
3409         point modes to even register boundaries to comply with architectural
3410         requirements.
3411         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
3412         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
3413         (VALID_FP_MODE_P): New macro.
3414         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
3415         sets for all general and floating point modes.  Align wide floating
3416         point modes to even register boundaries to comply with architectural
3417         requirements.
3418
3419 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
3420
3421         * tree-dump.c (dump_files): Initialize dump number for .cgraph
3422         to 0.
3423
3424 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
3425
3426         * tree-ssa-structalias.c: Don't include expr.h.
3427
3428 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
3429
3430         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
3431         comments.
3432
3433 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
3434
3435         Fix PR tree-optimization/22279
3436
3437         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
3438         correct operator.
3439
3440 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
3441
3442         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
3443
3444 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
3445
3446         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
3447         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
3448         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
3449         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
3450         config/stormy16/stormy16.c, config/v850/v850.c,
3451         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
3452         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
3453         Avoid "." or "\n" at end of diagnostics and capital letters at
3454         start of diagnostics.
3455         * combine.c, cse.c: Don't translate dump file output.
3456         * toplev.c (print_version): Only translate output if going to
3457         stderr.
3458
3459 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
3460
3461         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
3462         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
3463         typos.
3464
3465 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3466
3467         * pa.c (fix_range): Fix typo in comment.
3468
3469 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
3470
3471         * tree-vrp.c (extract_range_from_assert): Replace
3472         fold (build (...)) with fold_build2.
3473
3474 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3475
3476         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
3477         gcc_gfc_char_table, init_dynamic_gfc_info): New.
3478         (format_types_orig, handle_format_attribute): Add support for
3479         format "gcc_gfc".
3480
3481 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3482
3483         * varasm.c (assemble_variable): Fix format specifier thinko.
3484
3485 2005-07-03  Ira Rosen  <irar@il.ibm.com>
3486
3487         PR tree-optimization/22029 (and 22135)
3488         * tree-pretty-print.c (dump_generic_node): Check that the node is not
3489         a phi node before calling dump_vops.
3490
3491 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3492
3493         * tree-dump.h (dump_string_field): Declare.
3494         * tree-dump.c: Use it instead of dump_string.
3495         (dump_string_field): Make non-static.
3496
3497 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
3498
3499         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
3500         up the minimal CFG stuff always when optimize > 0.  Call
3501         split_all_insns_noflow in PIC case if needed.
3502
3503 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3504             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
3505
3506         PR c++/18279
3507         * c-decl.c (c_write_global_declarations): Dump contents of
3508         external scope to.
3509         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
3510         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
3511         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
3512         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
3513         is enabled.
3514
3515 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
3516
3517         * c-common.h (GCC_DIAG_STYLE): Define.
3518         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
3519         version for format checking to 4.1.
3520         * c-format.c: Include toplev.h after c-common.h.
3521         (enum format_type): Add gcc_tdiag_format_type.
3522         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
3523         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
3524         (format_types_orig): Add gcc_tdiag.
3525         (init_dynamic_diag_info): Support gcc_tdiag formats.
3526         (handle_format_attribute): Likewise.
3527         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
3528         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
3529         version for format checking to 4.1.
3530         (warning0, warning, error, pedwarn, sorry): Use
3531         ATTRIBUTE_GCC_DIAG.
3532         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
3533         (finish_aliases_1): Do not use %qE.
3534         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
3535         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
3536         Correct format bugs.
3537         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
3538         parameter to unsigned HOST_WIDE_INT.
3539         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
3540
3541 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
3542
3543         PR middle-end/21742
3544         * expr.c (write_complex_part): Use adjust_address for MEM.
3545         (read_complex_part): Same.
3546
3547 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
3548
3549         Fix PR tree-optimization/22280
3550
3551         * tree-sra.c (generate_element_init): Remove useless loop.
3552
3553 2005-07-02  Richard Henderson  <rth@redhat.com>
3554
3555         * config/alpha/alpha.c (alpha_legitimize_address): Check for
3556         TLS_MODEL_NONE.
3557         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
3558
3559 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
3560
3561         PR middle-end/14490
3562         * fold-const.c (fold_binary): Handle the return value of
3563         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
3564         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
3565
3566 2005-07-02  Jeff Law  <law@redhat.com>
3567
3568         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
3569         a eliminate type conversion which feeds an equality comparison
3570         if the original type or either operand in the comparison is a
3571         function pointer.
3572
3573 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
3574
3575         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
3576         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
3577         texts.
3578         * config/avr/avr.c: Do not use '`' as left quote.
3579         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
3580         Remove "." from end of diagnostics.  Make diagnostics start with
3581         lowercase letter.
3582
3583 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
3584             Joseph S. Myers  <joseph@codesourcery.com>
3585
3586         * toplev.c (default_tree_printer): Handle setting location with
3587         '+' flag.
3588         * c-objc.common.c (c_tree_printer): Likewise.
3589         * c-format.c (gcc_diag_flag_specs): Add '+'.
3590         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
3591         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
3592         formats.
3593         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
3594         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
3595         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
3596         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
3597         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
3598         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
3599         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
3600         format arguments where %J is used without %D.
3601
3602 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
3603
3604         * gcc.c (LINK_SSP_SPEC): Define.
3605         (link_ssp_spec): New variable.
3606         (LINK_COMMAND_SPEC): Add %(link_ssp).
3607         (static_specs): Add link_ssp_spec.
3608         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
3609         * configure: Rebuilt.
3610         * config.in: Rebuilt.
3611
3612         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3613         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3614         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3615         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3616         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
3617         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
3618         -0x7008(2) instead of reading __stack_chk_guard variable.
3619         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
3620         number.
3621         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
3622         (stack_protect_set, stack_protect_test): Use *_tls* patterns
3623         if TARGET_THREAD_SSP_OFFSET is defined.
3624         (stack_tls_protect_set_si, stack_tls_protect_set_di,
3625         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
3626
3627         Revert:
3628         2005-06-27  Richard Henderson  <rth@redhat.com>
3629         * libgcc-std.ver (GCC_4.1.0): New.
3630         * libgcc.h (__stack_chk_guard): Declare.
3631         (__stack_chk_fail, __stack_chk_fail_local): Declare.
3632         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
3633         * mklibgcc.in (lib2funcs): Add them.
3634
3635 2005-07-01  Richard Henderson  <rth@redhat.com>
3636
3637         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
3638         void * before struct sigcontext *.
3639         (x86_fallback_frame_state): Likewise.
3640
3641 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
3642
3643         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
3644
3645 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
3646
3647         PR tree-opt/22269
3648         * tree-ssa-reassoc.c (should_transpose): Fix which operand
3649         we check for SSA_NAME for.
3650
3651 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
3652
3653         Fix PR tree-optimization/22071
3654
3655         * tree-ssa-structalias.c (offset_overlaps_with_access): New
3656         function.
3657         (get_constraint_for_component_ref): Use it.
3658
3659 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
3660
3661         PR other/22264
3662         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
3663         print out the last new line.
3664
3665 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
3666
3667         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
3668         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
3669         * config/cris/cris.c (cris_conditional_register_usage): Adjust
3670         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
3671         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
3672         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
3673         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
3674         (enum reg_class): New member CC0_REGS.
3675         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
3676         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
3677         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
3678         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
3679         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
3680         Adjust for register now described.
3681
3682 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
3683
3684         PR target/22262
3685         * config/i386/i386.md (stack_protect_test_si,
3686         stack_protect_test_di): Add earlyclobber for scratch 3.
3687         * config/rs6000/rs6000.md (stack_protect_testsi,
3688         stack_protect_testdi): Add earlyclobber for scratch 3,
3689         remove earlyclobber from scratch 4.
3690
3691 Older entries for 2005 can be found in ChangeLog-2005.