gcc/ChangeLog

   1 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
   2
   3         PR tree-optimization/18463
   4         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
   5         converting it directly is not possible.
   6         (chrec_convert_aggressive): New function.
   7         * tree-chrec.h (chrec_convert_aggressive): Declare.
   8         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
   9         Fold chrec conversions aggressively if asked to.
  10         (instantiate_parameters): Modified because of changes in
  11         instantiate_parameters_1.
  12
  13 2005-09-19  Richard Henderson  <rth@redhat.com>
  14
  15         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
  16         (reduc_splus_v2df): New.
  17
  18 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
  19
  20         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
  21         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
  22
  23 2005-09-19  Richard Henderson  <rth@redhat.com>
  24
  25         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
  26         vcondu<SSEMODE12>.
  27
  28 2005-09-19  Richard Henderson  <rth@redhat.com>
  29
  30         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
  31         (ia64_expand_dot_prod_v8qi): New.
  32         * config/ia64/ia64-protos.h: Update.
  33         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
  34         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
  35         sdot_prodv8qi, sdot_prodv4hi): New.
  36         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
  37
  38 2005-09-19  Richard Henderson  <rth@redhat.com>
  39
  40         PR 23941
  41         * real.c (exact_real_truncate): Return false if the format cannot
  42         represent the number as a normal.
  43
  44         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
  45         for a memory source.
  46
  47 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
  48
  49         * tree-ssa-operands.c (swap_tree_operands): Export.
  50         * tree.h (swap_tree_operands): Declare.
  51         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
  52         Call swap_tree_operands.
  53
  54 2005-09-19  Richard Henderson  <rth@redhat.com>
  55
  56         * tree-flow.h (merge_alias_info): Declare.
  57         * tree-ssa-copy.c (merge_alias_info): Export.
  58         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
  59         (vect_create_data_ref_ptr): Use create_iv directly.
  60         (vectorizable_load): Use correct types for integer constants.
  61         (vect_generate_tmps_on_preheader): Likewise.
  62         (vect_gen_niters_for_prolog_loop): Likewise.
  63
  64 2005-09-19  Steven Bosscher  <stevenb@suse.de>
  65
  66         PR rtl-optimization/23943
  67         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
  68
  69 2005-09-18  Jan Hubicka  <jh@suse.cz>
  70
  71         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
  72
  73 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
  74
  75         * varasm.c (output_constant): Do not abort on conversions to union
  76         types between different sizes.
  77
  78 2005-09-18  Richard Guenther  <rguenther@suse.de>
  79
  80         PR middle-end/23944
  81         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
  82         fallback.
  83
  84 2005-09-18  Paul Brook  <paul@codesourcery.com>
  85
  86         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
  87
  88 2005-09-17  Richard Henderson  <rth@redhat.com>
  89
  90         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
  91         * tree-ssa-loop.c (pass_vect_dce): Remove.
  92         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
  93         of pass_vectorize.
  94
  95 2005-09-17  Richard Henderson  <rth@redhat.com>
  96
  97         * tree-pass.h (pass_vect_dce): Declare.
  98         * passes.c (init_optimization_passes): Add it.
  99         * tree-flow.h (tree_ssa_dce): Declare.
 100         * tree-ssa-dce.c (tree_ssa_dce): Export.
 101         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
 102         (gate_tree_vectorize): ... here.
 103         (pass_vect_dce): New.
 104
 105 2005-09-17  Jan Hubicka  <jh@suse.cz>
 106
 107         * except.c (struct eh_status): Turn region_array into vec.
 108         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
 109         convert_from_eh_region_ranges, find_exception_handler_labels,
 110         current_function_has_exception_handlers, assign_filter_values,
 111         build_post_landing_pads, dw2_build_landing_pads,
 112         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
 113         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
 114         foreach_reachable_handler, can_throw_internal_1,
 115         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
 116         region_array.
 117         (duplicate_eh_region_1): Update region_array.
 118         (duplicate_eh_regions): Resize region_array and avoid recomputing.
 119
 120 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
 121
 122         PR middle-end/22067
 123         * expmed.c (expand_mult): Substitute simple register for op0 when
 124         computing max_cost.
 125
 126 2005-09-17  Richard Henderson  <rth@redhat.com>
 127
 128         * expr.c (emit_move_via_integer): Add force argument, pass it on
 129         to emit_move_change_mode.  Update callers.
 130         (emit_move_complex): Pass true to new force argument.
 131         * function.c (expand_function_end): Move expand_eh_return call
 132         earlier.  Merge sub-word complex values into a pseudo before
 133         copying to the return hard register.
 134
 135 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
 136
 137         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
 138         between different sizes.
 139
 140 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
 141
 142         PR 23903
 143
 144         * passes.c (init_optimization_passes): Register dump files for
 145         IPA passes first.
 146
 147 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
 148
 149         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
 150         * config/s390/s390.c (s390_overlap_p): New function.
 151         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
 152         peephole2, "*xc" peephole2): Added overlap check to the peephole2
 153         condition.
 154
 155 2005-09-16  Richard Guenther  <rguenther@suse.de>
 156
 157         * ipa-pure-const.c (static_execute): Free auxiliar information.
 158         * ipa-type-escape.c (discover_unique_type): Free temporary key.
 159         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
 160
 161 2005-09-15  DJ Delorie  <dj@redhat.com>
 162
 163         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
 164
 165 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
 166
 167         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
 168         to order operands.
 169         (swap_commutative_operands_with_target): New.
 170
 171 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
 172
 173         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
 174         parameter.
 175         Update callers.
 176         (estimate_iters_using_array): New function.
 177         * tree-data-ref.h (estimate_iters_using_array): Prototype
 178         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
 179         Use estimate_iters_using_array instead of analyze_array.
 180
 181 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
 182
 183         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
 184         as addressable.
 185
 186 2005-09-15  Michael Matz  <matz@suse.de>
 187
 188         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
 189
 190 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
 191
 192         PR tree-optimization/23835
 193         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
 194         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
 195
 196 2005-09-14  Richard Henderson  <rth@redhat.com>
 197
 198         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
 199         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
 200
 201 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
 202
 203         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
 204         in the ARRAY_TYPE case.
 205
 206 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
 207
 208         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
 209
 210 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
 211
 212         PR middle-end/22480
 213         * tree-vect-transform.c (vectorizable_operation): Return false for
 214         scalar shift operations and for vector shift operations with
 215         non-invariant shift arguments.  Use scalar tree operand op1 as
 216         a shift operand when vector shift insn pattern uses scalar shift
 217         operand.
 218         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
 219
 220 2005-09-14  Olivier Hainque  <hainque@adacore.com>
 221
 222         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
 223         value if it has side-effects.
 224
 225 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
 226
 227         PR target/22068
 228         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
 229
 230 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
 231
 232         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
 233         passed as NAME as if it were label at start of function code.
 234
 235 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
 236
 237         * config/sh/sh.md (*movv4sf_i): Add general register cases to
 238         the constraints.
 239
 240 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
 241
 242         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
 243         as early clobber.  Rewrite so the PIC register is not implicitly used.
 244
 245 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 246
 247         * tree.c (annotate_with_file_line): Compare line numbers before
 248         file names.
 249
 250 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
 251
 252         PR target/23816
 253         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
 254         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
 255
 256 2005-09-13  Ian Lance Taylor  <ian@airs.com>
 257
 258         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
 259         than a HOST_WIDEST_INT to gen_doloop_begin.
 260
 261 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
 262
 263         * tree-dfa.c (dump_variable): Guard against NULL annotations.
 264
 265 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
 266
 267         PR tree-optimize/23817
 268         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
 269
 270 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
 271
 272         PR target/23774
 273         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
 274         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
 275         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
 276         (restore_stack_nonlocal): Likewise.
 277         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
 278
 279 2005-09-12  Ian Lance Taylor  <ian@airs.com>
 280
 281         PR g++/7874
 282         * c.opt (ffriend-injection): New C++ option.
 283         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
 284         (C++ Dialect Options): Document -ffriend-injection.
 285
 286 2005-09-12  Josh Conner  <jconner@apple.com>
 287
 288         PR middle-end/23237
 289         * ipa-reference.c (static_execute): Don't mark variables in
 290         named sections TREE_READONLY.
 291
 292 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
 293
 294         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
 295         stack_tie.
 296
 297 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
 298
 299         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
 300         V_MUST_DEF instead of just the first_use_p.
 301         Don't mark the virtual variables for renaming on the statement which
 302         is being removed.
 303         (pass_dse): Remove TODO_update_ssa.
 304
 305 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
 306
 307         PR middle-end/23290
 308         * stor-layout.c (compute_record_mode): For records with a single
 309         field, actually check the field's mode size against the type size.
 310
 311         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
 312         registers for TARGET_SHMEDIA.
 313         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
 314         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
 315         of GENERAL_REGS and FP_REGS.
 316
 317 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
 318
 319         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
 320
 321 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
 322
 323         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
 324         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
 325         are omitted.  Exclude stack_tie insn too.
 326
 327 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
 328
 329         PR rtl-optimization/23098
 330         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
 331         0.0f is easy.
 332         * config/rs6000/rs6000.md (movdf splitter): Use
 333         const_double_operand predicate for TARGET_POWERPC64.
 334         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
 335         SYMBOL_REF method to ABI_V4.
 336
 337         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
 338         replace_equiv_address.
 339         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
 340         rs6000_sr_alias_set and MEM_NOTRAP.
 341         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
 342
 343 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
 344
 345         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
 346         handle CALL_EXPR again.
 347
 348 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
 349
 350         * arm/predicates.md (alignable_memory_operand): Delete.
 351
 352 2005-09-10  Richard Henderson  <rth@redhat.com>
 353
 354         PR debug/23806
 355         * dbxout.c (dbxout_expand_expr): New.
 356         (dbxout_symbol): Use it.
 357
 358 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
 359
 360         * arm.c (arm_gen_rotated_half_load): Delete.
 361         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
 362         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
 363         (thumb_set_return_address): Likewise.
 364         (thumb_load_double_from_address): Use adjust_address.
 365         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
 366         (extendhsisi2_mem, movhi_bytes): Use change_address.
 367         (movhi): Use widen_memory_access.
 368         (reload_out_df): Use replace_equiv_address.
 369         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
 370
 371 2005-09-09  Richard Henderson  <rth@redhat.com>
 372
 373         PR debug/20998
 374         * dbxout.c: Include expr.h.
 375         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
 376         (dbxout_symbol): Handle DECL_VALUE_EXPR.
 377         * Makefile.in (dbxout.o): Add EXPR_H.
 378
 379 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
 380
 381         PR tree-optimization/23509
 382         * tree-cfg.c (replace_uses_by): Use replace_exp.
 383         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
 384         pointers have name_mem_tag or type_mem_tag set.
 385
 386 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
 387
 388         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
 389         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
 390         of wrongly accessing operands.
 391
 392 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
 393
 394         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
 395         * tree-chrec.c: Include tree-scalar-evolution.h.
 396         (chrec_convert): Instantiate the base and step before calling
 397         scev_probably_wraps_p that would fail on parametric evolutions.
 398         Collect all the fails into a single section failed_to_convert,
 399         print a diagnostic, and return chrec_dont_know instead of calling
 400         fold_convert.
 401         * tree-scalar-evolution.c (loop_closed_phi_def): New.
 402         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
 403         phi nodes.
 404         (scev_const_prop): Don't replace the definition of a loop closed ssa
 405         phi node by itself, or by another loop closed ssa phi node.
 406         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
 407         that base and step are defined.
 408
 409 2005-09-09  Richard Guenther  <rguenther@suse.de>
 410
 411         PR c++/23624
 412         * fold-const.c (fold_ternary): Check truth_value_p before
 413         calling invert_truthvalue.
 414
 415 2005-09-09  Nick Clifton  <nickc@redhat.com>
 416
 417         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
 418         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
 419         dimension of these arrays.
 420         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
 421         these arrays.
 422         * longlong.h: Only provide a prototype for the __clz_tab[] array
 423         if this header has not been included from libgcc2.h.
 424         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
 425         defining own types.
 426         Provide prototypes for exported functions.
 427         Use the __clz_tab[] and __popcount_tab[] arrays provided by
 428         libgcc2.c.
 429
 430 2005-09-08  Josh Conner  <jconner@apple.com>
 431
 432         PR c++/21135
 433         PR c++/23180
 434         * expr.c (expand_expr_addr_expr_1): Don't invoke
 435         expand_simple_binop for EXPAND_INITIALIZER.
 436
 437 2005-09-08  Richard Henderson  <rth@redhat.com>
 438
 439         PR debug/23190
 440         * toplev.c (wrapup_global_declaration_1): Split out ...
 441         (wrapup_global_declaration_2): ... from ...
 442         (wrapup_global_declarations): ... here.  Return bool.
 443         (check_global_declaration_1): Split out ...
 444         (check_global_declarations): from here.
 445         (emit_debug_global_declarations): New.
 446         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
 447         check_global_declaration_1, emit_debug_global_declarations): Declare.
 448         * c-decl.c (c_write_global_declarations_1): Don't create a vector
 449         of decls.  Call wrapup_global_declaration_1,
 450         wrapup_global_declaration_2, check_global_declaration_1 directly.
 451         (c_write_global_declarations_2): New.
 452         (ext_block): New.
 453         (c_write_global_declarations): Call c_write_global_declarations_2.
 454         * langhooks.c (write_global_declarations): Call
 455         emit_debug_global_declarations.
 456
 457         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
 458         remove decls that have DECL_RTL_SET_P.
 459         * passes.c (rest_of_decl_compilation): Invoke
 460         cgraph_varpool_finalize_decl for all but functions.
 461
 462 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
 463
 464         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
 465         the result of a conversion if the new min and max cannot be compared.
 466
 467 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
 468
 469         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
 470         (override_options): Setting s390_sr_alias_set removed.
 471         (save_fpr, save_gprs): Set alias set to vararg or frame.
 472         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
 473         s390_sr_alias_set with get_frame_alias_set ().
 474         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
 475         get_varargs_alias_set ().
 476
 477 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
 478
 479         PR objc/20574
 480         PR objc/19324
 481         * c-parser.c (c_parser_objc_method_definition): If the next
 482         token is not "{", error out and don't start the function.
 483
 484 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
 485
 486         * tree-vrp.c (extract_range_from_expr): Move the check for non
 487         nullness after the check for gimple invariant.
 488
 489 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 490
 491         * tree.c (host_integerp, tree_low_cst): Correct function comment.
 492
 493 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
 494
 495         PR target/23747
 496         * config/m32r.md (movmemsi_internal): Canonicalize order of
 497         operands in PLUS component of template.
 498
 499 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
 500
 501         * reload1.c (fixup_eh_region_note): Remove assertion.
 502         (fixup_abnormal_edges): Reverted removal of call to
 503         find_many_sub_basic_blocks made on 2005-08-31.
 504
 505 2005-09-07  Richard Henderson  <rth@redhat.com>
 506
 507         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
 508         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
 509         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
 510         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
 511         rearrange for better packing.
 512         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
 513         (lookup_cfa_1): Remove inline marker.
 514         (cfa_equal_p): Split out of ...
 515         (def_cfa_1): ... here.  Use INVALID_REGNUM.
 516         (build_cfa_loc): Handle !cfa->indirect.
 517         (frame_pointer_cfa_offset): New.
 518         (dbx_reg_number): Assert register elimination performed; do
 519         leaf register remapping.
 520         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
 521         (eliminate_reg_to_offset): New.
 522         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
 523         for verifiably local stack frame addresses; re-base to CFA.
 524         (mem_loc_descriptor): Remove can_use_fbreg argument.
 525         (concat_loc_descriptor, loc_descriptor): Likewise.
 526         (containing_function_has_frame_base): Remove.
 527         (rtl_for_decl_location): Don't do register elimination or
 528         leaf register remapping here.
 529         (secname_for_decl): Split out from ..
 530         (add_location_or_const_value_attribute): ... here.
 531         (convert_cfa_to_loc_list): New.
 532         (compute_frame_pointer_to_cfa_displacement): New.
 533         (gen_subprogram_die): Use them.
 534         * tree.h (frame_base_decl): Remove.
 535         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
 536         (prologue_stack_adjust): Remove.
 537         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
 538         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
 539         (set_frame_base_location): Remove.
 540         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
 541         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
 542         (vt_add_function_parameters): Don't eliminate_regs.
 543         (vt_initialize): Don't create frame_base_decl.
 544
 545 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
 546
 547         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
 548         version of GNU binutils for 4.x and later.
 549
 550 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
 551
 552         * ggc-page.c (ggc_push_context): Remove.
 553         (ggc_pop_context): Likewise.
 554         * ggc.h (ggc_push_context): Remove.
 555         (ggc_pop_context): Likewise.
 556
 557 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
 558
 559         PR target/8973
 560         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
 561         returning from an interrupt handler.
 562
 563 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
 564
 565         PR target/8972
 566         * config/arc/arc.c (output_shift): Add check for loop count when
 567         optimizing.
 568
 569 2005-09-06  Steven Bosscher  <stevenb@suse.de>
 570
 571         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
 572         form manually.
 573         (abs_replacement): Likewise.
 574         (pass_phiopt): Remove TODO_update_ssa.
 575
 576 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
 577
 578         PR c/23075
 579         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
 580         if "return with no value, in function returning non-void" warning
 581         has been issued.
 582         * tree-cfg.c (execute_warn_function_return): Don't look at
 583         RETURN_EXPRs with TREE_NO_WARNING set.
 584
 585         PR target/22362
 586         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
 587         for internal functions doesn't use registers used by global registers
 588         variables.  Use fewer register parameters if there are global register
 589         variables.
 590
 591 2005-09-06  Olivier Hainque  <hainque@adacore.com>
 592             Eric Botcazou  <ebotcazou@adacore.com>
 593
 594         PR middle-end/14997
 595         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
 596         when we would be extracting outside its bit span (bitpos+bitsize
 597         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
 598         Ada unchecked conversions.
 599
 600 2005-09-06  Steven Bosscher  <stevenb@suse.de>
 601
 602         * tree-ssa-pre.c (try_look_through_load): New function.
 603         (compute_avail): Use it to try to look through loads for some
 604         more useful expressions.
 605
 606 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
 607
 608         * simplify-rtx.c (simplify_binary_operation_1): Correct the
 609         condition for detecting cases like (a&a) and (a^a).
 610
 611 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
 612
 613         * common.opt: Add option ftree-vect-loop-version.
 614         * params.def: Add --param vect-max-version-checks.
 615         * doc/invoke.texi: Document ftree-vect-loop-version and
 616         --param vect-max-version-checks.
 617         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
 618         may_misalign_stmts and defines for accessors.
 619         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
 620         LOOP_VINFO_MAY_MISALIGN_STMTS.
 621         (destroy_loop_vec_info): VEC_free for
 622         LOOP_VINFO_MAY_MISALIGN_STMTS.
 623         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
 624         Update documentation.
 625         (vect_update_misalignment_for_peel): New.
 626         (vect_enhance_data_refs_alignment): Update to choose loop
 627         peeling or loop versioning if appropriate for the (potentially)
 628         unaligned data references in the loop.
 629         (vect_analyze_data_refs_alignment): Remove call to
 630         vect_enhance_data_refs_alignment so the checks can be done
 631         earlier.
 632         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
 633         and move up call to vect_analyze_data_refs_alignment.
 634         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
 635         (vect_transform_loop): Add call to loop_version.
 636
 637 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
 638
 639         PR rtl-optimization/23098
 640         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
 641         * simplify-rtx.c (constant_pool_reference_p): New function.
 642         * rtl.h (constant_pool_reference_p): New prototype.
 643         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
 644         constant_pool_reference_p in condition and
 645         avoid_constant_pool_reference in preparation statements.
 646
 647 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
 648
 649         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
 650         STRICT_LOW_PART SETs.
 651
 652 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
 653
 654         PR middle-end/21460
 655         * except.c (sjlj_emit_function_enter): Find the function begin
 656         note even when it's not in first basic block.
 657
 658 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
 659
 660         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
 661         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
 662         * aclocal.m4: Regenerate.
 663
 664 2005-09-05  DJ Delorie  <dj@redhat.com>
 665
 666         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
 667         of macro.
 668
 669 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
 670
 671         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
 672         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
 673         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
 674         Follow spelling conventions.
 675         * doc/invoke.texi: Follow spelling conventions.
 676
 677 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
 678
 679         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
 680         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
 681         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
 682
 683 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
 684
 685         PR target/23683
 686         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
 687         (output_stack_adjust): Use gen_tmp_stack_mem.
 688         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
 689         (sh_set_return_address, sh_allocate_initial_value): Likewise.
 690         (sh_get_pr_initial_val): Likewise.
 691         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
 692         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
 693         * sh.md (divsi_inv_m0): Use gen_const_mem.
 694         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
 695         (movdf_i4+1): Use gen_tmp_stack_mem.
 696         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
 697         (fpu_switch+2): Likewise.
 698         (movv4sf_i, movv16sf_i): Use adjust_address.
 699         (symGOT_load): Set MEM_NOTRAP_P bit.
 700
 701 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 702
 703         PR target/23721
 704         * pa.c (emit_move_sequence): Fix typo in last change.
 705
 706 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
 707
 708         PR rtl-optimization/23454
 709         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
 710         is true.
 711
 712 2005-09-03  Richard Henderson  <rth@redhat.com>
 713             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 714
 715         PR middle-end/23671
 716         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
 717         gen_rtx_MEM.
 718
 719 2005-09-02  Nicolas Pitre <nico@cam.org>
 720
 721         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
 722         to bit_count to 32 bits.
 723
 724 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
 725
 726         PR c++/23167
 727         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
 728         generating synthetic loads from volatile lvalues.
 729
 730 005-09-02  Nick Clifton  <nickc@redhat.com>
 731
 732         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
 733         __ctzhi2, __clzhi2): New functions.
 734
 735 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
 736
 737         PR middle-end/23547
 738         * tree-nested.c (struct var_map_elt): Mark with GTY.
 739         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
 740         var_map_elt.
 741         (lookup_field_for_decl): Allocate new element in GC memory.
 742         (lookup_tramp_for_decl): Likewise.
 743         (convert_nl_goto_reference): Likewise
 744         (create_nesting_tree): Allocate info in GC memory. Likewise for
 745         info->var_map.
 746         (free_nesting_tree): Free with ggc_free instead of free.
 747         (root): New static variable.
 748         (lower_nested_functions): Remove root as local variable.  And zero out
 749         root at the end of the function.
 750
 751 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
 752
 753         PR rtl-optimization/20365
 754         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
 755         to short.  New member ix.
 756         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
 757         (simplify_plus_minus): Initialize ix members before calling qsort.
 758
 759 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
 760
 761         PR tree-optimization/23626
 762         * tree-cfg.c (replace_uses_by): Clean up eh info.
 763
 764 2005-09-01  DJ Delorie  <dj@redhat.com>
 765
 766         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
 767         fprintf.
 768
 769 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
 770
 771         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
 772         (rs6000_split_multireg_move): Use replace_equiv_address instead of
 773         gen_rtx_MEM.
 774
 775 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
 776
 777         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
 778         do not issue warning for a variable definition following
 779         a declaration.
 780
 781 2005-09-01  Richard Henderson  <rth@redhat.com>
 782
 783         PR 23668
 784         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
 785         conversion to CONST_VECTOR.
 786
 787 2005-09-01  Richard Henderson  <rth@redhat.com>
 788
 789         PR 23676
 790         * reload1.c (reload_as_needed): Check !CALL_P before calling
 791         fixup_eh_region_note.
 792         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
 793
 794 2005-09-01  DJ Delorie  <dj@redhat.com>
 795
 796         * varasm.c (output_constant): Let the target resolve
 797         conversions of addresses to non-default pointer sizes.
 798
 799 2005-09-01  Nicolas Pitre <nico@cam.org>
 800
 801         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
 802         to alow matching ARM pre-indexed addressing mode.
 803         (arm_override_options): Remove now irrelevant comment.
 804
 805 2005-09-01  Phil Edwards  <phil@codesourcery.com>
 806
 807         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
 808         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
 809         * config/i386/vxworks.h:  Likewise.
 810         * config/i386/t-vxworksae:  New file, for VxWorks AE.
 811         * config/i386/vxworksae.h:  Likewise.
 812
 813 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
 814
 815         PR tree-optimization/23410
 816         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
 817         sequence is not wrapping during the first step.
 818
 819 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
 820
 821         PR debug/7241
 822         * dwarf2out.c (base_type_die): Compare char_type_node with
 823         TYPE_MAIN_VARIANT (type), not type.
 824
 825 2005-09-01  Richard Guenther  <rguenther@suse.de>
 826
 827         PR tree-optimization/15366
 828         * common.opt: Add -finline-functions-called-once.
 829         Put -fearly-inlining in alphabetically ordered place.
 830         * doc/invoke.texi: Document new option.
 831         * ipa-inline.c (cgraph_decide_inlining): Honour
 832         flag_inline_functions_called_once.
 833
 834 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
 835
 836         PR rtl-optimization/23478
 837         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
 838         (alloc_qty): Initialize it.
 839         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
 840         (combine_regs): Combine also n_throwing_calls_crossed fields.
 841         (find_free_reg): Don't attempt to caller-save pseudos crossing
 842         calls that might throw.
 843         * global.c (struct allocno): Add throwing_calls_crossed field.
 844         (global_alloc): Revert 2005-08-22 change.  Initialize
 845         throwing_calls_crossed.
 846         (find_reg): Don't attempt to caller-save pseudos crossing calls that
 847         might throw.
 848
 849 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
 850
 851         PR target/23649
 852         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
 853         (mask64_operand): Reinstate code prior to 2005-06-11 change.
 854         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
 855         (and64_2_operand): Tweak to use predicate.
 856         (and_operand): Adjust for mask_operand changes.
 857         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
 858         (print_operand): Likewise.
 859         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
 860         (mask64_1or2_operand): Delete.
 861         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
 862         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
 863         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
 864         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
 865         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
 866         (rotldi3_internal4): Likewise.
 867         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
 868         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
 869         (ashldi3_internal7): Likewise.
 870         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
 871         (ashldi3_internal, ashldi3_internal9 split): Likewise.
 872         (anddi3 split): Don't match mask64_operand.
 873         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
 874         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
 875         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
 876         't' splitter predicate.
 877         (movdi_internal64 + 2): Revert 2005-06-11 change.
 878
 879 2005-08-31  DJ Delorie  <dj@redhat.com>
 880
 881         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
 882         (m32c_asm_integer): Add support for 32 bit pointers.
 883
 884 2005-08-31  Richard Henderson  <rth@redhat.com>
 885
 886         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
 887         component-like references for setting MEM_NOTRAP_P.
 888
 889         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
 890         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
 891
 892 2005-08-31  Richard Henderson  <rth@redhat.com>
 893
 894         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
 895         into a pseudo before applying gen_lowpart.
 896
 897 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
 898
 899         * doc/install.texi (Specific): Update cctools version required
 900         for full functionality.
 901         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
 902         linkers as -macosx_version_min.
 903
 904 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
 905
 906         PR target/21255
 907         * sh.c (print_operand, %R and %S): Add handling of floating point
 908         registers, memory, constants and invalid operands.
 909
 910 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
 911
 912         * ipa-pure-const.c: Change dump name.
 913
 914 2005-08-31 Uros Bizjak <uros@kss-loka.si>
 915
 916         PR target/23570
 917         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
 918         to "reg_or_0_operand".
 919         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
 920
 921 2005-08-31  Dale Johannesen  <dalej@apple.com>
 922
 923         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
 924         loops that count down.
 925
 926 2005-08-31  Richard Henderson  <rth@redhat.com>
 927
 928         PR rtl-opt/23601
 929         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
 930         (fixup_eh_region_note): New.
 931         (reload_as_needed): Call it.
 932         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
 933         don't call find_many_sub_basic_blocks; call verify_flow_info.
 934         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
 935         (keep_stack_depressed): Likewise.
 936         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
 937
 938 2005-08-31  Richard Henderson  <rth@redhat.com>
 939
 940         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
 941         fp return matching.
 942
 943 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
 944
 945         * expr.c (expand_expr_real_1): Compare size of address
 946         mode to target's address mode size in deciding expansion of
 947         the constant address.
 948
 949 2005-08-31  Richard Guenther  <rguenther@suse.de>
 950
 951         PR middle-end/23477
 952         * expr.c (all_zeros_p): New function.
 953         (expand_expr_real_1): Handle the case of an all-zero
 954         non-addressable constructor separately.
 955
 956 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
 957
 958         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
 959         arguments, adjust all callers.
 960         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
 961
 962 2005-08-30  Richard Henderson  <rth@redhat.com>
 963
 964         PR target/23630
 965         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
 966         whenever the mode sizes match.
 967
 968 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
 969
 970         * calls.c (load_register_parameters): Fix comment typo.
 971         * expr.c (emit_push_insn): Comment formatting.
 972
 973 2005-08-30  Ian Lance Taylor  <ian@airs.com>
 974
 975         * config/i386/x-cygwin (host-cygwin): Change dependency from
 976         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
 977
 978 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
 979
 980         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
 981         parts of 'vals'.
 982
 983 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
 984
 985         PR middle-end/23408
 986         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
 987         call to ggc_collect.
 988
 989 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
 990
 991         PR bootstrap/21268
 992         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
 993         beginning.  Remove $(INCLUDES) from all the rules, if following
 994         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
 995
 996 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
 997
 998         PR middle-end/23484
 999         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
1000         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
1001         not constant, but maxlen is, don't set len to maxlen, rather
1002         set maxlen to len if len is a constant.
1003
1004 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
1005
1006         PR tree-optimization/23475
1007         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
1008         and counts.
1009
1010 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
1011
1012         Fix PR middle-end/22455
1013
1014         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
1015         Checksum only the parts of the tree that exist for the tree code.
1016
1017 2005-08-28  Dale Johannesen  <dalej@apple.com>
1018
1019         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
1020
1021 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
1022
1023         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1024
1025 2005-08-28  Richard Henderson  <rth@redhat.com>
1026
1027         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1028         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1029         of char_type_node.
1030
1031 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
1032
1033         PR ada/23593
1034         * builtins.c (get_memory_rtx): Don't strip nops
1035         in between COMPONENT_REFs.
1036
1037 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
1038
1039         PR middle-end/23463
1040         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
1041         types.
1042         (gimplify_modify_expr): Check for zero sized types and gimplify the
1043         rhs and lhs as statements.
1044
1045 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
1046
1047         PR libgcj/23508
1048         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
1049         state for return address column of signal frames.
1050
1051 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
1052
1053         PR target/23539
1054         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
1055         bytes >= 2 not bytes == 2.
1056         (expand_block_move): Same.
1057
1058 2005-08-27  Richard Guenther  <rguenther@suse.de>
1059
1060         PR target/23575
1061         * config/i386/sse.md (sse2_movsd): Add missing closing
1062         braces.
1063
1064 2005-08-27  Paul Brook  <paul@codesourcery.com>
1065
1066         * genrecog.c (enum decision_type): Add DT_num_insns.
1067         (struct decision_test): Add u.num_insns.
1068         (add_to_sequence): Add DT_num_insns test.
1069         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
1070         (write_cond, debug_decision_2): Ditto.
1071         (change_state): Assume peep2_next_insn never fails.
1072         Remove "afterward" argument.
1073         (write afterward, write_tree): Update to match.
1074         * recog.c (peep2_current_count): New variable.
1075         (peep2_next_insn): Check it.
1076         (peephole2_optimize): Set peep2_current_count.
1077         * recog.h (peep2_current_count): Declare.
1078
1079 2005-08-26  Josh Conner  <jconner@apple.com>
1080
1081         PR middle-end/23584
1082         * ipa-pure-const.c (check_tree): Check for volatile-ness
1083         when considering a dereference.
1084
1085 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
1086
1087         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
1088
1089 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
1090
1091         PR rtl-optimization/23561
1092         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
1093         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
1094         at most LEN bytes long memory fits into the field.
1095         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
1096         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
1097         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
1098
1099 2005-08-26  Richard Henderson  <rth@redhat.com>
1100
1101         PR rtl-opt/23560
1102         * loop.c (biased_biv_may_wrap_p): New.
1103         (maybe_eliminate_biv_1): Use it to suppress non-equality
1104         comparison transformations.  Delete disabled code.
1105
1106 2005-08-26  Ian Lance Taylor  <ian@airs.com>
1107
1108         * combine.c (make_extraction): Avoid reference outside object.
1109
1110 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
1111
1112         * stor-layout.c (finalize_type_size): Restore behaviour for
1113         non-aggregate types to the status quo ante of the patch for
1114         pr 23467.  Document why it matters.
1115
1116 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
1117
1118         PR c/23506
1119         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
1120         array by one element, initialize the BT_LAST element with NULL.
1121
1122 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
1123
1124         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
1125         optimizing for size.
1126         (plus_eqsi): Same.
1127         (compare_plus_eqsi): Same.
1128         (plus_eqsi_compare): Same.
1129         (neg_eq0<mode>): Same.
1130         (neg_eq<mode>): Same.
1131
1132         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
1133         PROCESSOR_POWER4.
1134
1135 2005-08-26  Nick Clifton  <nickc@redhat.com>
1136
1137         * config/v850/v850.c (ep_memory_operand): Return FALSE if
1138         TARGET_EP is not defined.
1139         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
1140         TARGET_EP is enabled.
1141         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
1142         * config/v850/v850.md (save_all_interrupt): Only use the EP
1143         register if TARGET_EP is defined.
1144         (restore_all_interrupt): Likewise.
1145         * config/v850/lib1funcs.asm: Update functions so that the EP
1146         register is only used if __EP__ is defined.
1147
1148 2005-08-26  David Ung  <davidu@mips.com>
1149
1150         * config/mips/mips.c (mips_expand_prologue): Handle case when
1151         generating for MIPS16 and the outgoing argument area is more than
1152         SMALL_OPERAND. Use the frame pointer as temporary to generate the
1153         add instruction.
1154
1155 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
1156
1157         * config/crx/crx.md: Make doloop_end pattern usage controllable
1158         via mloop-nesting=<max-nesting> command line switch. Make sure
1159         the combiner cannot use doloop_end_<mode> in an illegal way.
1160         * config/crx/crx.c: Use regs up to r6 for argument passing.
1161         Refine crx_address_cost (non cst4 displacements are expensive).
1162         * config/crx/crx.opt: Add switch for mloop-nesting=.
1163
1164 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
1165
1166         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
1167         (UNSPEC_MVST): New constant.
1168
1169 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
1170
1171         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
1172         Reject operands containing eliminable registers.
1173         * testsuite/gcc.dg/20050825-1.c: New testcase.
1174
1175 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1176             Jan Hubicka  <jh@suse.cz>
1177
1178         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
1179
1180 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1181
1182         PR tree-optimization/23546
1183         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
1184         and REAL_CST nodes.
1185
1186 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
1187
1188         * params.def (PARAM_MIN_SPEC_PROB): New.
1189         * sched-rgn.c (MIN_PROBABILITY): Delete.
1190         (compute_trg_info): Convert to PARAM_VALUE.
1191         * doc/invoke.texi (param): Document min-spec-prob.
1192
1193 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
1194
1195         * config/darwin.h: define __PIC__
1196         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
1197         TARGET_OS_CPP_BUILTINS macro.
1198
1199 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1200
1201         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
1202         yesterday.
1203
1204 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
1205
1206         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
1207         to duplicate_block.
1208         * cfghooks.c (duplicate_block): Added position where to place
1209         new block as argument.
1210         * cfghooks.h (duplicate_block): Declaration changed.
1211         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
1212         duplicate_block.
1213         * cfglayout.h (copy_bbs): Declaration changed.
1214         * cfgloop.h (loop_version): Declaration changed.
1215         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
1216         position to copy_bbs.
1217         (loop_version): Pass position to duplicate_loop_to_header_edge.
1218         Add place_after argument and position new blocks according to
1219         it.
1220         * modulo-sched.c (sms_schedule): Pass place_after argument
1221         to loop_version.
1222         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
1223         * tree-cfg.c (split_edge_bb_loc): New function.
1224         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
1225         to determine position of new blocks.
1226         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
1227         to loop_version.
1228         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
1229         argument to duplicate_block.
1230         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
1231         Pass position to copy_bbs.
1232
1233 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
1234
1235         * fold-const.c (ptr_difference_const): Use
1236         cst_and_fits_in_hwi instead of host_integerp.
1237
1238 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1239
1240         * config/darwin.c (gen_pic_offset): New.
1241         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
1242         Use it.
1243
1244 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
1245
1246         PR tree-optimization/23486
1247         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
1248
1249 2005-08-23  Phil Edwards  <phil@codesourcery.com>
1250
1251         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
1252         remove use_collect2.
1253         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
1254
1255         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
1256         configuration files to override the default value.
1257
1258         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
1259         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
1260         * config/vx-common.h:  New file, split out from...
1261         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
1262         * config/vxworksae.h:  New file, for VxWorks AE.
1263         * config/vxworks.opt:  New file.
1264         * config/vxlib.c:  Update for VxWorks 6.
1265
1266         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
1267         other MULTILIB_* variables appropriately.
1268         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
1269         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
1270         * config/rs6000/vxworks.h:  Update for VxWorks 6.
1271         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
1272
1273 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
1274
1275         PR target/20799
1276         * config/darwin.c (machopic_select_section): Remove the hack to
1277         mark "::operator new" and "::operator delete" for coalescing
1278         even though they are not weak.
1279
1280 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
1281
1282         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
1283         * configure: Regenerate.
1284
1285 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
1286
1287         PR middle-end/23517
1288         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
1289         between vectors.
1290         * convert.c (convert_to_integer, convert_to_vector): Likewise.
1291         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
1292         Likewise.
1293
1294 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
1295
1296         * config/rs6000/predicates.md (equality_operator): New.
1297         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
1298         comparison with a large constant.
1299
1300 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
1301
1302         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
1303
1304 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
1305
1306         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
1307         registers is even, and we have a hardware double precision fp,
1308         align the buffer.
1309         (sh_gimplify_va_arg_expr): For floating point arguments, consider
1310         size of current argument when checking if argument was passed in
1311         registers.
1312
1313         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
1314
1315         PR middle-end/23467
1316         * stor-layout.c (finalize_type_size): Dont override
1317         existing alignment with a smaller alignment from the mode.
1318
1319 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
1320
1321         * lambda-code.c (lambda_vector_lexico_pos): Moved...
1322         * lambda.h (lambda_vector_lexico_pos): ... here.
1323         * tree-data-ref.c (build_classic_dist_vector): Return false when
1324         the distance vector is lexicographically negative.
1325
1326 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
1327
1328         PR tree-optimization/23511
1329         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
1330         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
1331
1332 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
1333
1334         PR tree-optimization/22043
1335         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
1336         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
1337         If ALLOW_FLEXARR, handle types ending with flexible array member.
1338         Pass false as second argument to recursive count_type_elements calls.
1339         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
1340         argument to count_type_elements call.
1341         * tree-sra.c (decide_block_copy): Likewise.
1342         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
1343         for a constant-sized object, set cleared as well.  Pass true as
1344         second argument to count_type_elements call.
1345
1346 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
1347
1348         PR target/21571
1349         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
1350         from legitimate_small_data_p, and make global.  Update use.
1351         Remove forward declaration.
1352         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
1353         Declare.
1354         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
1355
1356 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
1357
1358         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
1359         of scratch intermediates.
1360         (eq<mode>_compare): Same.
1361         (neg_eq0<mode>): New.
1362         (neg_eq<mode>): Convert to define_insn_and_split.
1363
1364 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
1365
1366         PR target/23070
1367         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
1368         stdarg functions, set/clear the fp marker even when no variable
1369         args are passed.
1370         * config/rs6000/sysv4.opt (mprototype): Describe.
1371
1372 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
1373
1374         PR rtl-optimization/23478
1375         * regs.h (reg_info): Add throw_calls_crossed.
1376         (REG_N_THROWING_CALLS_CROSSED): Define.
1377         * flow.c (allocate_reg_life_data): Initialize
1378         REG_N_THROWING_CALLS_CROSSED.
1379         (propagate_one_insn, attempt_auto_inc): Update
1380         REG_N_THROWING_CALLS_CROSSED.
1381         * global.c (global_alloc): Don't allocate pseudos across
1382         calls that may throw.
1383
1384 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
1385
1386         PR c/18715
1387         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
1388         value is inbetween the range if we did not find an exact match.
1389
1390 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
1391
1392         * doc/invoke.texi (Option Summary): Add ms1 options.
1393         * doc/extend.texi: Document interrupt handler attribute for ms1.
1394         * doc/md.texi: Document ms1 constraints.
1395         * config.gcc: Add ms1-*-elf.
1396         * config/ms1/ms1.h: New.
1397         * config/ms1/ms1.c: New.
1398         * config/ms1/ms1.md: New.
1399         * config/ms1/ms1-protos.h: New.
1400         * config/ms1/ABI.txt: New.
1401         * config/ms1/crti.asm: New.
1402         * config/ms1/crtn.asm: New.
1403         * config/ms1/lib2extra-funcs.c: New.
1404         * config/ms1/t-ms1: New.
1405         * config/ms1/ms1.opt: New.
1406
1407 2005-08-22 Ira Rosen <irar@il.ibm.com>
1408
1409         * config/rs6000/altivec.md (xorv4sf3): New.
1410         (negv4sf2, neg<mode>2): Likewise.
1411
1412 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
1413
1414         PR target/23485
1415         * config/ia64/ia64.md (divsi3): Check divide by zero.
1416         (udivsi3): Likewise.
1417         (divdi3): Likewise.
1418         (udivdi3): Likewise.
1419
1420 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
1421
1422         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
1423         up to elem_bitsize bits, not max_bitsize.
1424
1425 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
1426
1427         PR tree-optimization/23433
1428         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
1429         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
1430
1431 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
1432
1433         PR tree-optimization/23434
1434         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
1435         the iteration bound is not an INTEGER_CST.
1436
1437 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
1438
1439         * tree-vect-transform.c (get_initial_def_for_reduction): Set
1440         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
1441         NULL if need_epilog_adjust is false.
1442         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
1443         Case 3 always peels first itration, not just for PLUS case, and no need
1444         to use scalar_initial_def here. Create an epilog adjustment only if
1445         scalar_initial_def is not NULL.
1446
1447         (vectorizable_reduction): Remove assert.
1448
1449 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
1450
1451         PR target/23485
1452         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
1453         (__moddi3): Likewise.
1454         (__udivdi3): Likewise.
1455         (__umoddi3): Likewise.
1456         (__divsi3): Likewise.
1457         (__modsi3): Likewise.
1458         (__udivsi3): Likewise.
1459         (__umodsi3): Likewise.
1460
1461 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
1462
1463         * tree-pass.h (TDF_GRAPH): Define.
1464         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
1465         * passes.c (finish_optimization_passes): Only call
1466         finish_graph_dump_file if TDF_GRAPH is set.
1467         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
1468         NULL.  Set TDF_GRAPH bit.
1469         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
1470
1471 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
1472
1473         * arm.h (arm_stack_offsets): Add locals_base field.
1474         * arm.c (arm_get_frame_offsets): Compute it.
1475         (thumb_compute_initial_elimination offset): Make the Thumb frame
1476         pointer point to the base of the local variables.
1477         (thumb_expand_prologue): Update accordingly.
1478         (thumb_expand_epilogue): Likewise.
1479
1480         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
1481         mode of clobbered scratch to DImode.  Handle a case that's known to
1482         need this.
1483
1484 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
1485
1486         * config/rs6000/rs6000.md (gt0<mode>): Delete.
1487         (gt0<mode>_compare): Delete.
1488         (neg_gt0<mode>): Delete.
1489
1490 2005-08-19  Eric Christopher  <echristo@apple.com>
1491
1492         * optabs.h: Change CTI_ to COI_.
1493         * optabs.c: Ditto.
1494
1495 2005-08-19  James E Wilson  <wilson@specifix.com>
1496
1497         * builtins.c (expand_builtin_return_addr): Set
1498         current_function_accesses_prior_frames when count != 0.  Use
1499         frame_pointer_rtx when count == 0.
1500         * function.h (struct function): Add accesses_prior_frames field.
1501         (current_function_accesses_prior_frames): Define.
1502         * reload1.c (init_elim_table): Check
1503         current_function_accesses_prior_frames.
1504         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
1505
1506 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1507
1508         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
1509         indicator.  Return true if the flowgraph changed during
1510         cleanup.
1511
1512 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1513
1514         PR 23476
1515         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
1516         conditional expression before testing its value.
1517
1518 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1519
1520         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
1521
1522 2005-08-19  Devang Patel  <dpatel@apple.com>
1523
1524         PR tree-optimization/23048
1525         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
1526         third parameter. Check whether latch is dominated by exit
1527         block or not.
1528         (if_convertible_loop_p): Supply exit block itself to
1529         if_convertible_bb_p.
1530
1531 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
1532
1533         PR target/23473
1534         * arm.md (arm_load_pic_register): Change argument to the mask of
1535         saved registers.  Call thumb_find_work_register if we need a
1536         scratch register on Thumb.
1537         (arm_expand_prologue): Pass empty register set to
1538         arm_load_pic_register.
1539         (thumb_expand_prologue): Pass live_regs_mask directly to
1540         arm_load_pic_register.
1541         * arm-protos.h (arm_load_pic_register): Update prototype.
1542
1543 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
1544
1545         * sh.c (find_sole_member): New function.
1546         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
1547         if the record's alignment is larger than the size of its only member.
1548
1549 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
1550
1551         PR target/23436
1552         * arm.c (thumb_legitimize_reload_address): New function.
1553         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
1554         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
1555
1556 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
1557
1558         * config/crx/crx.c: Implement crx_decompose_address. Reject
1559         symbolic displacements since CRX register relative adressing
1560         mode can't handle unsigned 32-bit values as displacements.
1561         * config/crx/crx.h: Simplify definitions, remove redundant
1562         parenthesis and obsolete macros.
1563         * config/crx/crx.opt: Add new switch for debugging addresses.
1564         * config/crx/crx-protos.h: Add new declarations for above.
1565
1566 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
1567
1568         PR middle-end/20624
1569         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
1570         looking past it.
1571
1572 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1573
1574         * collect2.c (dup2): Delete.
1575         * configure.ac: Don't check for dup2.
1576
1577         * config.in, configure: Regenerate.
1578
1579 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
1580
1581         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
1582         record with the type of its only member.
1583
1584 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
1585
1586         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
1587         define_insn_and_split.
1588         (plus_ltu<mode>_compare): Same.
1589         (gtu<mode>_compare): Same.
1590         (plus_gtu<mode>_compare): Same.
1591
1592 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
1593
1594         PR tree-optimization/22228
1595         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
1596         todo_flags_start.
1597         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
1598         are recorded in vect_vnames_to_rename for renaming.
1599         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
1600         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
1601         in vect_vnames_to_rename.
1602         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
1603         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
1604
1605 2005-08-18  Jan Hubicka  <jh@suse.cz>
1606
1607         PR c++/22034
1608         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
1609         info only for local statics, not for member variables.
1610
1611 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1612
1613         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
1614
1615 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1616
1617         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
1618
1619 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
1620
1621         PR middle-end/16045
1622         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
1623
1624 2005-08-17  James E Wilson  <wilson@specifix.com>
1625
1626         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1627         array size check.
1628
1629 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
1630
1631         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
1632         (leu<mode>_compare): Same.
1633         (plus_leu<mode>): Same.
1634         (neg_leu<mode>): Same.
1635         (and_neg_leu<mode): Same.
1636         (ltu<mode>_compare): Same.
1637         (plus_ltu<mode>): Same.
1638         (geu<mode>): Same.
1639         (geu<mode>_compare): Same.
1640         (plus_geu<mode>): Same.
1641         (neg_geu<mode>): Same.
1642         (and_neg_geu<mode>): Same.
1643         (plus_gt<mode>): Same.
1644         (gtu<mode>_compare): Same.
1645         (plus_gtu<mode>): Same.
1646
1647 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
1648
1649         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
1650         Move call_table_data to end.  Delete spurious .text.
1651         (callt_save_all_interrupt): Fix comment typo.
1652
1653 2005-08-17  James E Wilson  <wilson@specifix.com>
1654             Kevin Winchester  <winchester@amirix.com>
1655
1656         PR target/21684
1657         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
1658
1659 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
1660
1661         PR target/23268
1662         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
1663         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
1664
1665 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
1666
1667         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
1668         record with the type of its only member if the modes don't match.
1669
1670         * varasm.c (decode_reg_name): Skip empty additional register names.
1671
1672 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
1673
1674         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
1675         lsm_tmp_name_length): New.
1676         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
1677         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
1678
1679 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1680             Andreas Krebbel  <krebbel1@de.ibm.com>
1681
1682         * config.gcc: Added z9-109 switch.
1683         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
1684         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
1685         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
1686         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
1687         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
1688         for "z9_109" cpu attribute.
1689         * config/s390/s390.c (z9_109_cost): New processor cost structure.
1690         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
1691         (s390_handle_arch_option): Added z9-109 switch.
1692         (override_options): Set respective cost function for z9-109.
1693         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
1694         (legitimate_reload_constant_p): Accept extended immediates.
1695         (print_operand): Three new output modifiers added: k, m and o.
1696         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
1697         (s390_output_mi_thunk): Use extended immediate when possible.
1698         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
1699         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
1700         (CONSTRAINT_LEN): Added length of O constraint.
1701         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
1702         * config/s390/s390.md ("cpu"): New value z9_109 added.
1703         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
1704         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
1705         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
1706         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
1707         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
1708         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
1709         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
1710         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
1711         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
1712         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1713         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
1714         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
1715         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
1716         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
1717         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
1718         immediates.
1719         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
1720         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
1721         insns for TARGET_EXTIMM.
1722
1723 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
1724
1725         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
1726
1727 2005-08-17  Nick Clifton  <nickc@redhat.com>
1728
1729         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
1730         Call default_encode_section_info.
1731
1732 2005-08-17  Steven Bosscher  <stevenb@suse.de>
1733
1734         PR tree-optimization/21574
1735         * tree-ssa-ccp.c (likely_value): If the right hand side is a
1736         constant, return CONSTANT.
1737         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
1738         (ccp_fold, visit_assignment): Likewise.
1739         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
1740
1741 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
1742
1743         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
1744         fold_buildN instead of buildN then fold_initializer or fold.
1745         (build_unary_op): Likewise.
1746         (build_binary_op): Likewise.
1747         * fold-const.c (fold_initializer): Remove.
1748         (fold_build1_initializer): New function.
1749         (fold_build2_initializer): New function.
1750         (fold_build3_initializer): New function.
1751         * tree.h (fold_initializer): Remove.
1752         (fold_build1_initializer): New function.
1753         (fold_build2_initializer): New function.
1754         (fold_build3_initializer): New function.
1755
1756 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
1757
1758         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
1759         (try_move_mult_to_index): Call fold_build2 instead of build2.
1760         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
1761         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
1762         fold_binary_to_constant.
1763         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
1764         fold (build.
1765         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
1766         check if A == gcd (A, B).  Remove TYPE argument.
1767         (analyze_offset) Use fold_build2 instead of fold (build.
1768         (create_data_ref): Likewise.
1769         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
1770         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
1771         then fold.
1772
1773 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
1774
1775         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
1776         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
1777
1778 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
1779
1780         PR tree-opt/23402
1781         * gimplify.c (zero_sized_type): New function.
1782         (gimplify_modify_expr_rhs): If we have a zero sized type,
1783         replace the statement with an empty statement.
1784
1785 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
1786
1787         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
1788         fxsave.
1789
1790 2005-08-16  Ian Lance Taylor  <ian@airs.com>
1791
1792         * doc/tm.texi (Label Output): Correct typo.
1793
1794 2005-08-16  Steven Bosscher  <stevenb@suse.de>
1795
1796         PR target/23376
1797         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
1798         force_operand will work later on using have_insn_for.
1799
1800 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1801
1802         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
1803
1804 2005-08-16  Ian Lance Taylor  <ian@airs.com>
1805
1806         PR c++/23337
1807         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
1808         vector type, don't try to construct it element by element.  Add an
1809         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
1810
1811 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1812
1813         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
1814
1815 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
1816
1817         * doc/invoke.texi (Precompiled Headers): Document some more options
1818         which are known to be safe.
1819
1820 2005-08-16  James E Wilson  <wilson@specifix.com>
1821
1822         PR tree-optimization/21105
1823         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1824         TREE_OVERFLOW check.
1825
1826 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
1827
1828         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
1829         (neg_ltu<mode>): Same.
1830         (gtu<mode>): Same.
1831         (neg_gtu<mode>): Same.
1832
1833 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1834
1835         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
1836         (fold_builtin_isdigit): Use fold_buildN.
1837         (build_function_call_expr): Likewise.
1838         * c-typeck.c (c_finish_loop): Likewise.
1839
1840 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
1841             Richard Shann <rshann@superh.com>
1842
1843         PR middle-end/20396:
1844         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
1845
1846 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
1847
1848         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
1849
1850 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
1851
1852         PR target/23355
1853         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
1854         arm_compure_save_reg0_reg12_mask to determine when the PIC register
1855         must be saved.
1856
1857 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1858
1859         PR middle-end/23369
1860         * fold-const.c (build_range_check): Disable optimization for function
1861         pointer expressions on targets that require function pointer
1862         canonicalization.
1863
1864 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
1865
1866         * simplify-rtx.c (simplify_const_relational_operation): When
1867         extracting arguments of a COMPARE, recompute the mode as well.
1868
1869 2005-08-15  Ian Lance Taylor  <ian@airs.com>
1870
1871         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
1872
1873 2005-08-15  DJ Delorie  <dj@redhat.com>
1874
1875         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
1876         the stack.
1877         (movsi_splittable): Allow, but split, moves to the stack.
1878         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
1879         stack.
1880
1881 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1882
1883         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
1884         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
1885         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
1886
1887         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
1888         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
1889         Delete HOST_PTR_PRINTF.
1890
1891         * configure, config.in: Regenerate.
1892
1893 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
1894
1895         * config/rs6000/rs6000.md (QHSI): New mode macro.
1896         (wd): Extend mode attr for QImode and HImode
1897         (dbits): New mode attr.
1898         (zero_extend<mode>di2): Convert to mode macro.
1899
1900 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
1901
1902         PR target/21841
1903         * doc/invoke.texi (-mgnu-ld): Update description.
1904         (-mhp-ld): Ditto.
1905
1906 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
1907
1908         PR 23391
1909         * Makefile.in (tree-chrec.o): Depends on real.h.
1910         * tree-chrec.c: Include real.h.
1911         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
1912         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
1913         * tree-scalar-evolution.c (add_to_evolution_1,
1914         interpret_rhs_modify_expr): Ditto.
1915
1916 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
1917
1918         PR 23386
1919         * tree-data-ref.c (estimate_niter_from_size_of_data): When
1920         step is negative compute the estimation from init downwards to zero.
1921
1922 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
1923
1924         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
1925
1926 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
1927
1928         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
1929         constraint.
1930         (legitimate_reload_constant_p): Fix handling of lliXX operands.
1931         Accept double-word constants that can be split.
1932         * config/s390/s390.md ("movti"): Use 'P' constraint.
1933         ("*movdi_31", "*movdf_31"): Likewise.
1934
1935 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
1936
1937         Fix PR tree-optimization/22615
1938
1939         * tree-ssa-structalias.c (solution_set_add): Handle
1940         first_vi_for_offset returning NULL.
1941         (do_da_constraint): Ditto.
1942         (do_sd_constraint): Ditto.
1943         (do_ds_constraint): Ditto
1944         (find_func_aliases): Ditto.
1945         (build_constraint_graph): RHS is allowed be ANYTHING.
1946         (first_vi_for_offset): Return NULL if we couldn't find anything at
1947         the offset.
1948
1949 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
1950
1951         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
1952         over memory as first operand.
1953
1954 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
1955
1956         PR target/23360
1957         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
1958         available for setting it.
1959
1960 2005-08-14  Ira Rosen  <irar@il.ibm.com>
1961
1962         PR tree-optimization/23320
1963         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
1964         data-refs' types instead of base object nullness. Add check for
1965         pointer type data-refs before first location comparison. Remove
1966         assert.
1967
1968 2005-08-14  Andreas Schwab  <schwab@suse.de>
1969
1970         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
1971
1972 2005-08-13  James E Wilson  <wilson@specifix.com>
1973
1974         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
1975         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
1976         -fstack-protector-all, --param ssp-buffer-size): Document.
1977         (-Wvariadic-macros): Alphabetize.
1978         (-fsched-stalled-insns-dep): Add missing 'f'.
1979
1980         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
1981         macros.
1982
1983 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
1984
1985         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
1986         or indirect address operand.
1987         (EXTRA_ADDRESS_CONSTRAINT): New.
1988         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
1989
1990 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
1991
1992         PR tree-optimization/22236
1993         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
1994         successors and predecessors.
1995         * tree-chrec.c (chrec_convert): Before converting, check that
1996         sequences don't wrap.
1997         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
1998         (analyze_array): Extern.
1999         (find_data_references_in_loop): Remove call to
2000         compute_estimated_nb_iterations.
2001         * tree-data-ref.h (analyze_array): Declared.
2002         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
2003         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
2004         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
2005         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
2006         condition.
2007         * tree-ssa-loop-ivcanon.c: Fix documentation.
2008         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
2009         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
2010         (infer_loop_bounds_from_undefined): New.
2011         (estimate_numbers_of_iterations_loop): Use
2012         infer_loop_bounds_from_undefined.
2013         (used_in_pointer_arithmetic_p): New.
2014         (scev_probably_wraps_p): Pass an extra parameter.  Call
2015         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
2016         (convert_step): Fix documentation.
2017         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2018         Use initial_condition_in_loop_num and evolution_part_in_loop_num
2019         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
2020         scev_probably_wraps_p.
2021
2022 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
2023
2024         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2025         (s390_register_info): Ignore clobbered_regs information for fixed
2026         registers, and only fixed registers.
2027         (s390_init_frame_layout): Remove redundant call.
2028
2029 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
2030
2031         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
2032         description of -Wold-style-casts.
2033
2034 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2035             Jakub Jelinek  <jakub@redhat.com>
2036
2037         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2038         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
2039         * config/s390/s390.c (print_operand): New output modifier 'G' added.
2040         (get_thread_pointer): Renamed to s390_get_thread_pointer.
2041         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
2042         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
2043         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
2044         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2045         ("stack_protect_set", "stack_protect_test"): New expanders.
2046         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
2047         "stack_protect_testdi"): New insn definitions.
2048
2049 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2050
2051         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
2052
2053 2005-08-12  Paul Brook  <paul@codesourcery.com>
2054
2055         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
2056
2057 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2058
2059         * config/s390/predicates.md (setmem_operand): New predicate.
2060         (shift_count_operand): Accept ANDs with special constants as
2061         operand.
2062         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
2063         with special constants.
2064         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
2065         shift_count_operand with setmem_operand.
2066
2067 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2068
2069         * config/s390/s390.c (s390_extract_part, s390_single_part):
2070         Type cast added.
2071         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
2072         (s390_output_mi_thunk): Don't use lg on 31 bit.
2073         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
2074         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
2075
2076 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2077
2078         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
2079         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
2080         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
2081         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
2082         with one of the new macros.
2083
2084 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2085
2086         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
2087         Don't set save_return_addr_p.
2088         (s390_register_info): Make clobbered_regs not depending on
2089         save_return_addr_p.
2090
2091 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2092
2093         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
2094         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
2095
2096 2005-08-11  James E. Wilson  <wilson@specifix.com>
2097
2098         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
2099
2100 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
2101
2102         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
2103         locations gathered by var-tracking in single entry loc_list
2104         over loc_descriptor_from_tree.
2105
2106         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
2107         pass it down to loc_descriptor.
2108         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
2109         (containing_function_has_frame_base): Move earlier in the file.
2110         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
2111         instead of always assuming fbreg can't be used.
2112
2113 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
2114
2115         * config/rs6000/altivec.md: Change constraint "m" to "Z".
2116         * config/rs6000/predicates.md (indexed_or_indirect_operand):
2117         Accept address wrapped in AND for Altivec.
2118         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2119         Strip AND wrapping offset address for Altivec.
2120
2121 2005-08-11  Richard Henderson  <rth@redhat.com>
2122
2123         PR middle-end/23312
2124         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
2125         before using TYPE_IS_SIZETYPE.
2126
2127 2005-08-11  Richard Henderson  <rth@redhat.com>
2128
2129         PR target/22225
2130         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
2131         insn types not present on ev4.
2132         (alphaev5_insn_pipe): Similarly.
2133
2134 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
2135
2136         PR target/23250
2137         * arm.c (arm_override_options): If the user has selected callee-super-
2138         interworking, then enable normal interworking.
2139
2140 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2141
2142         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
2143         redefinition.
2144
2145 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
2146
2147         * doc/rtl.texi: Fix two typos.
2148
2149 2005-08-11  Richard Guenther  <rguenther@suse.de>
2150
2151         PR target/23289
2152         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
2153         cases where we call to/from functions returning void.
2154
2155 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
2156
2157         PR c++/23225
2158         * tree.c (build_pointer_type_for_mode): Robustify.
2159
2160 2005-08-10  James E Wilson  <wilson@specifix.com>
2161
2162         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
2163         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
2164
2165         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
2166         "cum->".
2167
2168 2005-08-10  Eric Christopher  <echristo@apple.com>
2169
2170         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
2171         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
2172         V2DFmode.
2173
2174 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
2175
2176         PR target/21887
2177         * config/darwin.c (machopic_indirect_data_reference): Use a new register
2178         for the high part when generating dynamic-no-pic code.
2179
2180 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
2181
2182         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
2183         (x86_64-*-linux*): Likewise.
2184
2185         * config/i386/crtfastmath.c: New file.
2186         * config/i386/t-crtfm: Likewise.
2187
2188         * config/i386/linux.h (ENDFILE_SPEC): New.
2189         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
2190
2191         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2192         crtfastmath.o.
2193
2194 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
2195
2196         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
2197         (vec_shl, vec_shr): Document new operations.
2198         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
2199
2200 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
2201
2202         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
2203         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
2204         change predicate to indexed_or_indirect_address.
2205
2206 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
2207
2208         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
2209         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
2210         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
2211         and __aeabi_uwrite8.
2212         * config/arm/unaligned-funcs.c: New file.
2213         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
2214
2215 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
2216
2217         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
2218         Add dump.
2219         * cfglayout.c (pass_insn_locators_initialize): Add dump.
2220         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
2221         Add dump.
2222         * except.c (pass_convert_to_eh_region_ranges): Add dump.
2223         * final.c (pass_shorten_branches): Add dump.
2224         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
2225         (pass_life): Rename dump.
2226         (rest_of_handle_flow2): Remove initial verify_flow_info.
2227         * function.c (pass_instantiate_virtual_regs): Add dump.
2228         * integrate.c (pass_initial_value_sets): Add dump.
2229         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
2230         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
2231         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
2232         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
2233         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
2234         gate_rtl_unrool_and_peel_loops): New.
2235         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
2236         rtl_doloop): Do not look at flags.
2237         * mode-switching.c (pass_mode_switching): Add dump.
2238         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
2239         pass_split_before_regstack): Add dump.
2240         * regmove.c (pass_stack_adjustments): Add dump.
2241         * tree-optimize.c (pass_fixup_cfg): Add dump.
2242
2243 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2244
2245         PR 23309
2246         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
2247         deciding which instruction sequence to use.
2248
2249 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
2250
2251         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
2252         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
2253
2254 2005-08-09  Richard Guenther  <rguenther@suse.de>
2255
2256         * c-common.c (builtin_function_2): Remove.
2257         (def_builtin_1): New function.
2258         (c_common_nodes_and_builtins): Use def_builtin_1 to
2259         build builtin functions.
2260
2261 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
2262
2263         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
2264         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2265         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
2266         Visual DSP.
2267
2268 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
2269
2270         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
2271         fold_binary instead of fold_build2 since we don't care about the
2272         resulting tree.
2273         (loop_niter_by_eval): Likewise.
2274         (compare_trees): Likewise.
2275         (proved_non_wrapping_p): Likewise.
2276
2277 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
2278
2279         PR c/23161
2280         PR c/23165
2281         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
2282         if the if is really empty.
2283
2284 2005-08-09  Steven Bosscher  <stevenb@suse.de>
2285
2286         PR tree-optimization/23234
2287         * tree-ssa-math-opts.c (place_reciprocal): New enum.
2288         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
2289         argument of the new enum.
2290         (execute_cse_reciprocals): Add reciprocals for function arguments
2291         on the unique successor edge of the entry block.  Update other calls
2292         to execute_cse_reciprocals_1.
2293
2294 2005-08-08  Richard Henderson  <rth@redhat.com>
2295
2296         PR 22439
2297         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
2298
2299 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
2300
2301         * expr.c (write_complex_part): Return after handling MEM.
2302
2303 2005-08-08  Josh Conner  <jconner@apple.com>
2304
2305         PR rtl-optimization/23241
2306         * combine.c (simplify_comparison): Fix error in determining
2307         whether to lift a subreg from comparison.
2308
2309 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
2310
2311         PR target/18506
2312         * config/rs6000/altivec.md (vec_init<mode>): New.
2313         (vec_set<mode>): New.
2314         (vec_extract<mode>): New.
2315         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
2316         (rs6000_expand_vector_set): New.
2317         (rs6000_expand_vector_extract): New.
2318         (rs6000_legitimate_offset_address_p): Offset addresses are valid
2319         for Altivec modes before reload.
2320         (altivec_expand_vec_init_builtin): New.
2321         (get_element_number): New.
2322         (altivec_expand_vec_set_builtin): New.
2323         (altivec_expand_vec_ext_builtin): New.
2324         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
2325         builtins.
2326         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
2327         builtins.
2328         * config/rs6000/rs6000.h (rs6000_builtins): Add
2329         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
2330         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
2331         * config/rs6000/rs6000-protos.h: Declare new functions.
2332
2333 2005-08-08  Jan Hubicka  <jh@suse.cz>
2334
2335         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
2336         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
2337         * i386.md (movdi*): Use pic_32bit_operand.
2338         * predicates.md (pic_32bit_operand): New.
2339
2340 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
2341
2342         PR c++/21166
2343         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
2344
2345 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
2346
2347         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
2348         (test_for_singularity): Use fold_build2.
2349
2350 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2351
2352         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
2353
2354 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
2355
2356         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2357         (COMMON_ASM_OP) Define.
2358         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
2359         (ix86_encode_section_info): Likewise.
2360         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
2361         SUBTARGET_ENCODE_SECTION_INFO.
2362
2363 2005-08-06  Richard Henderson  <rth@redhat.com>
2364
2365         PR 21894
2366         * tree-nested.c (convert_local_reference): Save and restore val_only
2367         around component_ref and friends.  Clear walk_subtrees by default.
2368
2369 2005-08-06  Peter O'Gorman  <peter@pogma.com>
2370
2371         PR 21366
2372         * gcc.c (process_command): Check the argument to -b has a dash.
2373         * doc/invoke.texi: Update -b and -V docs.
2374
2375 2005-08-06  James E Wilson  <wilson@specifix.com>
2376
2377         * config/mips/cross64.h, config/mips/t-cross64: Delete.
2378
2379 2005-08-06  Michael Matz  <matz@suse.de>
2380
2381         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
2382         member only if only one insn is associated with the value.
2383
2384 2005-08-06  Nick Clifton  <nickc@redhat.com>
2385
2386         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
2387         New define.
2388         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
2389         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
2390         Check symbol flags instead of symbol name mangling.
2391         (xstormy16_asm_output_aligned_common): Likewise.  Also
2392         simplify code since the bss100_section cass is the only case
2393         where the below100 code will be triggered.
2394         (xstormy16_encode_section_info): Encode below100 attribute
2395         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
2396         the name.
2397         (xstormy16_strip_name_encoding): Delete - this function is no
2398         longer needed.
2399         (TARGET_STRIP_NAME_ENCODING): Undefine.
2400         * config/stormy16/stormy16-protos.h: Delete prototype for
2401         xstormy16_strip_name_encoding.
2402
2403 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
2404
2405         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
2406         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
2407         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
2408         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
2409         config/alpha/predicates.md, config/arc/arc.h,
2410         config/arm/arm.h, config/arm/ieee754-df.S,
2411         config/arm/ieee754-sf.S, config/bfin/bfin.c,
2412         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
2413         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
2414         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
2415         config/m68hc11/m68hc11.h, config/mips/mips.c,
2416         config/mips/mips.h, config/mips/openbsd.h,
2417         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
2418         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
2419         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2420         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2421         config/sparc/linux.h, config/sparc/linux64.h,
2422         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
2423         doc/extend.texi, doc/gcov.texi, doc/install.texi,
2424         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
2425         typos.  Follow spelling conventions.
2426
2427 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
2428
2429         PR c/23113
2430         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
2431         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
2432         specially.  Check for side effects only for COND_EXPR.
2433         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
2434         return with TREE_NO_WARNING.
2435
2436 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
2437
2438         PR rtl-optimization/23233
2439         * loop.c (combine_movables): Require the modes to be the same.
2440         (move_movables): Remove handling of cases where the replacement
2441         had a different mode to the original.
2442
2443 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
2444
2445         PR tree-optimization/23128
2446         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
2447         subtraction wrap, and set TREE_OVERFLOW if they do.
2448
2449 2005-08-05  Richard Henderson  <rth@redhat.com>
2450
2451         PR 21728
2452         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
2453         FORCED_LABEL labels.
2454
2455 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
2456
2457         PR middle-end/23135
2458         * reload.c (find_reloads_subreg_address): Pass down TYPE
2459         unchanged.  Change all callers except find_reloads_toplev.
2460
2461 2005-08-05  Michael Matz  <matz@suse.de>
2462
2463         * genattrtab.c (current_alternative_string): Remove.
2464         (SIMPLIFY_ALTERNATIVE): Ditto.
2465         (attr_alt_bit_p): Ditto.
2466         (alternative_name): Make const char *.
2467         (evaluate_eq_attr): Remove use of above things.
2468         (simplify_test_exp): Ditto.
2469         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
2470         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
2471
2472 2005-08-04  James E Wilson  <wilson@specifix.com>
2473
2474         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
2475         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
2476         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
2477         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
2478         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
2479
2480 2005-08-04  Richard Henderson  <rth@redhat.com>
2481
2482         PR 21529
2483         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
2484         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
2485         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
2486         if we'd have to instantiate too many members.
2487
2488 2005-08-04  Richard Henderson  <rth@redhat.com>
2489
2490         PR 21291
2491         * tree-outof-ssa.c (coalesce_asm_operands): New.
2492         (coalesce_ssa_name): Use it.  Split out ...
2493         (coalesce_phi_operands, coalesce_result_decls): ... these.
2494
2495 2005-08-04  Paul Brook  <paul@codesourcery.com>
2496
2497         * read-rtl.c (read_quoted_string): Break if EOF.
2498
2499 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
2500
2501         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
2502         (fold_build2): Likewise.
2503         (fold_build3): Likewise.
2504         (fold_build1_stat): New function prototype.
2505         (fold_build2_stat): Likewise.
2506         (fold_build3_stat): Likewise.
2507         * fold-const.c (fold_build1): Rename to ..
2508         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2509         through to build1_stat.
2510         (fold_build2): Rename to ..
2511         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2512         through to build2_stat.
2513         (fold_build3): Rename to ..
2514         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2515         through to build3_stat.
2516
2517 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
2518             Ian Lance Taylor  <ian@airs.com>
2519
2520         * function.c (assign_stack_local_1): Do not correct stack slot
2521         address if allocation size is smaller than mode size.
2522
2523 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
2524
2525         PR 22037
2526         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
2527         (tree_merge_blocks): Propagate anything allowed by
2528         may_propagate_copy.
2529         Clarify documentation.
2530         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
2531         SSA form, schedule an update if necessary.
2532
2533 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
2534
2535         * doc/install.texi (Binaries): Remove broken link to
2536         Sinix/Reliant Unix binaries.
2537
2538 2005-08-03  Richard Henderson  <rth@redhat.com>
2539
2540         PR 23221
2541         * function.c (stack_protect_epilogue): Export.
2542         * tree.h (stack_protect_epilogue): Declare.
2543         * calls.c (expand_call): Call it.
2544
2545 2005-08-03  Eric Christopher  <echristo@apple.com>
2546
2547         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
2548         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
2549         spec.
2550
2551 2005-08-04  Jan Hubicka  <jh@suse.cz>
2552
2553         * profile.c (branch_prob): Split edges with goto locus on them
2554         to get proper line counts.
2555         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
2556
2557 2005-08-03  Paul Brook  <paul@codesourcery.com>
2558
2559         * function.c (assign_parms): Round current_function_args_size
2560         to PARM_BOUNDARY, not STACK_BOUNDARY.
2561
2562 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
2563
2564         * config/i386/i386.c (x86_elf_aligned_common)
2565         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
2566
2567 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
2568
2569         PR tree-optimization/23157
2570         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
2571         before emitting them.
2572
2573 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2574
2575         PR tree-optimization/19899
2576         * Makefile.in (tree-scalar-evolution.o): Add real.h.
2577         * tree-scalar-evolution.c: Include real.h.
2578         (add_to_evolution): Build constant -1 of correct type.
2579
2580 2005-08-03  Jan Hubicka  <jh@suse.cz>
2581
2582         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
2583         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
2584         profile updating for complette unrolling.
2585         * loop-unroll.c (peel_loop_completely): Use it.
2586         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2587         (tree_unroll_loops_completely): Disable code growing unrolling of cold
2588         loops.
2589
2590 2005-08-03  Paul Brook  <paul@codesourcery.com>
2591
2592         * combine.c (can_change_dest_mode): New function.
2593         (try_combine, simplify_set): Use it.
2594
2595 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
2596
2597         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
2598         TFmode to BLKmode.
2599
2600 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
2601
2602         * doc/install.texi (Specific): Adjust link to openavr.org.
2603         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
2604         (Binaries): Adjust HP-UX Porting Center link.
2605         (Binaries): Adjust Free Software Foundation ordering link.
2606
2607 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
2608
2609         * convert.c (convert_to_integer): Use fold_build1 instead of
2610         build1 when converting an integer to an integer.
2611
2612 2005-08-02  Richard Henderson  <rth@redhat.com>
2613
2614         * combine.c (combine_instructions): Don't use reg_equal/equiv
2615         results if the mode doesn't match.
2616
2617 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
2618
2619         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
2620         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
2621
2622 2005-08-02  Richard Henderson  <rth@redhat.com>
2623
2624         PR 23196
2625         * explow.c (memory_address): Remove special-case for
2626         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
2627
2628 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
2629
2630         PR 23164
2631         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
2632         number of calls to cleanup_tree_cfg_1.
2633
2634 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
2635
2636         * doc/invoke.texi: document file extensions .F90 and .F95
2637
2638 2005-08-02  Richard Guenther  <rguenther@suse.de>
2639
2640         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
2641         positive if its first argument is positive.
2642
2643 2005-08-02  Richard Guenther  <rguenther@suse.de>
2644
2645         PR tree-optimization/23177
2646         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
2647         on TMR_TAG.
2648
2649 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
2650
2651         PR tree-optimization/23129
2652         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
2653         varying for divisions with anti-ranges.
2654
2655 2005-08-02  Jan Hubicka  <jh@suse.cz>
2656
2657         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
2658         * tree-ssa-threadupdate.c (thread_block): Add it here.
2659
2660 2005-08-01  James E Wilson  <wilson@specifix.com>
2661
2662         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
2663         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
2664         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
2665         New.
2666         * config/mips/predicates.md (const_call_insn_operand): Add check for
2667         SYMBOL_REF_LONG_CALL_P.
2668         * doc/extend.texi (long_call): Document the new attribute.
2669
2670 2005-08-01  Ian Lance Taylor  <ian@airs.com>
2671             Richard Henderson  <rth@redhat.com>
2672
2673         * Makefile.in (RTL_BASE_H): Add real.h.
2674         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
2675         instead of memcpy.
2676         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
2677         directly.
2678         * rtl.c (rtl_check_failed_code_mode): New.
2679         * rtl.h (struct rtx_def): Add u.rv.
2680         (XCMWINT, XCNMPRV): New.
2681         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
2682         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
2683
2684 2005-08-01  Richard Henderson  <rth@redhat.com>
2685
2686         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
2687         with auto-inc codes.
2688
2689         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
2690
2691 2005-08-01  Jan Hubicka  <jh@suse.cz>
2692
2693         * i386-protos.h (asm_preferred_eh_data_format): Declare.
2694         * i386.c: Include dwarf2.h
2695         (asm_preferred_eh_data_format): New.
2696         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
2697
2698 2005-08-01  Ian Lance Taylor  <ian@airs.com>
2699
2700         * config/host-linux.c (linux_gt_pch_get_address): Add new name
2701         randomize_va_space for virtual address randomization control.
2702
2703 2005-08-01  Steven Bosscher  <stevenb@suse.de>
2704
2705         * common.opt (flag_ipa_cp): Put in right place to maintain
2706         alphabetic sort.
2707
2708 2005-08-01  Jan Hubicka  <jh@suse.cz>
2709
2710         * profile.c (compute_value_histograms): Fix thinko.
2711         * value-prof.c: Include toplev.h
2712         (check_counter): New function.
2713         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
2714         tree_mod_subtract_transform): Add sanity check.
2715
2716 2005-08-01  Richard Guenther  <rguenther@suse.de>
2717
2718         PR tree-optimization/23133
2719         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
2720         current functions parameter decls to find defs to cse
2721         reciprocals of.
2722
2723 2005-08-01  Richard Guenther  <rguenther@suse.de>
2724
2725         PR tree-optimization/23109
2726         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
2727         If trapping math is in effect, use post-dominator information
2728         to check if we'd in any case reach a trapping point before
2729         doing the reciprocal insertion.
2730         (execute_cse_reciprocals): Compute post-dominators, if necessary.
2731         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
2732         expressions are invariant only if trapping math is not in effect.
2733
2734 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
2735
2736         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
2737         cgraph_function_versioning): New declarations.
2738         * cgraphunit.c: Add include to ipa-prop.h.
2739         (update_call_expr, cgraph_copy_node_for_versioning,
2740         cgraph_function_versioning): New functions.
2741         * integrate.c (copy_decl_for_inlining): Remove.
2742         * ipa-prop.h (ipa_replace_map): New struct.
2743         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
2744         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
2745         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
2746         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
2747         ipcp_iterate_stage, ipcp_method_scale_print,
2748         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
2749         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
2750         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
2751         ipcp_update_bb_counts, ipcp_update_profiling,
2752         ipcp_update_edges_counts): New functions.
2753         (ipcp_method_cval_init): Remove restriction regarding local methods.
2754         (ipcp_init_stage): Add ipcp_method_compute_scale.
2755         (ipcp_insert_stage): Add versioning.
2756         (ipcp_structures_print): Add ipcp_method_scale_print.
2757         (ipcp_driver): Dump profiling info.
2758         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
2759         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
2760         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
2761         (struct inline_data): Add versioning_p, ipa_info, new fields.
2762         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
2763         declare_return_variable): Replace calls to copy_decl_for_inlining with
2764         copy_decl_for_dup.
2765         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
2766         versioning support.
2767         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
2768         Add argument VERSIONING.
2769         (copy_arguments_for_versioning, copy_static_chain,
2770         function_versionable_p, tree_versionable_function_p,
2771         tree_function_versioning, replace_ref_tree): New functions.
2772         * tree-inline.h: Include varray.h.
2773         (tree_versionable_function_p,  tree_function_versioning,
2774         tree copy_decl_for_dup): New declarations.
2775
2776 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
2777
2778         * ipa-cp.c: New file. Contains IPCP specific functionality.
2779         * ipa-prop.h: New file. Contains structures/definitions that can be
2780         used by several interprocedural data flow optimizations (and also IPCP).
2781         * ipa-prop.c: New file.
2782         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
2783         * common.opt: Add ipa-cp flag.
2784         * timevar.def: Add IPCP optimization.
2785         * tree-optimize.c (init_tree_optimization_passes): Schedule
2786         pass_ipa_cp.
2787         * tree-pass.h (pass_ipa_cp): Declare.
2788
2789 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
2790
2791         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
2792         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
2793         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
2794         config/i386/i386.c, config/mips/mips.h,
2795         config/rs6000/rs6000.h, config/sh/sh.c,
2796         config/stormy16/stormy16.c: Fix comment typos.
2797
2798 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
2799
2800         PR c/22311
2801         * c-typeck.c (build_binary_op): Use common_type wrapper on
2802         shortened types.
2803         (common_type): Update comment.
2804
2805 2005-07-31  Steven Bosscher  <stevenb@suse.de>
2806
2807         PR target/23095
2808         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
2809         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
2810         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
2811
2812 2005-07-31  Jan Hubicka  <jh@suse.cz>
2813
2814         * pretty-print.h (pp_widest_integer): New macro.
2815         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
2816         counts.
2817
2818 2005-07-31  Jan Hubicka  <jh@suse.cz>
2819
2820         * output.h (enum section_category): Export from varasm.c
2821         (categorize_decl_for_section): Likewise.
2822         * varasm.c (enum section_category): Kill.
2823         (categorize_decl_for_section): Make global.
2824         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
2825         Declare.
2826         * i386.c (ix86_section_threshold): New static variable.
2827         (ix86_in_large_data_p, ix86_encode_section_info,
2828         x86_64_elf_unique_section,
2829         x86_64_elf_select_section): New functions.
2830         (TARGET_ENCODE_SECTION_INFO): Define
2831         (override_options): Enable medium model for PIC.
2832         (ix86_expand_prologue): Expand gen_set_got_rex64.
2833         (legitimate_constant_p): Handle new UNSPECs.
2834         (legitimate_pic_address_disp_p): Likewise.
2835         (legitimize_pic_address): Lower MEDIUM model addressing.
2836         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
2837         (enum cmodel): Add MEDIUM_PIC.
2838         (SYMBOL_REF_FAR_ADDR_P): New macro.
2839         (SYMBOL_FLAG_FAR_ADDR): New flag.
2840         * i386.md (movdi): Support medium model.
2841         (set_got_rex64): New pattern.
2842         * i386.opt (mlarge-data-threshold): New flag.
2843         * predicates.md (zext_operand/sext_operand): Deal with medium model.
2844         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
2845         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
2846         TARGET_ASM_UNIQUE_SECTION): New.
2847
2848         * invoke.texi (-mlarge_data_threshold): Document
2849
2850 2005-07-31  Jan Hubicka  <jh@suse.cz>
2851
2852         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
2853         (coalesce_vars): Likewise.
2854         * tree-ssa-live.c (coalesce_cost): New.
2855         (build_tree_conflict_graph): Use coalesce_cost.
2856         * tree-ssa-live.h (coalesce_cost): Declare.
2857
2858 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
2859
2860         * arm.md (all peepholes for post-increment operations): Delete.
2861         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
2862         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
2863         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
2864         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
2865         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
2866
2867 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
2868
2869         * fold-const.c (tree_expr_nonnegative_p): Always return true for
2870         non-integral types.
2871
2872 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
2873
2874         PR target/22582
2875         * doc/invoke.texi: Document -rdynamic.
2876
2877 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
2878
2879         PR c/23143
2880         * c-parser.c (c_parser_parms_list_declarator): Call
2881         mark_forward_parm_decls.
2882         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
2883         decls with visibility structure.
2884
2885 2005-07-30  Paul Brook  <paul@codesourcery.com>
2886
2887         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
2888
2889 2005-07-30  Paul Brook  <paul@codesourcery.com>
2890
2891         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
2892         prototype.
2893         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
2894         value for mode.
2895         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
2896
2897 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
2898
2899         PR c/529
2900         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
2901         nested function declarators.
2902         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
2903         (grokparms): Call warn_if_shadowing for parameters used within the
2904         parameter list.
2905         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
2906         not used within the parameter list.
2907         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
2908
2909 2005-07-30  Jan Hubicka  <jh@suse.cz>
2910
2911         * expr.c (expand_expr_real_1): Do not load mem targets into register.
2912         * i386.c (ix86_fixup_binary_operands): Likewise.
2913         (ix86_expand_unary_operator): Likewise.
2914         (ix86_expand_fp_absneg_operator): Likewise.
2915         * optabs.c (expand_vec_cond_expr): Validate dest.
2916
2917 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
2918
2919         PR c/21720
2920         * real.c (real_from_string): Also set last bit if there is a
2921         nonzero hex digit beyond GCC's internal precision after ".".
2922
2923 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
2924
2925         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
2926         define_constants.  Change duplicate values to unassigned numbers.
2927         Change UNSPEC_SUBS to UNSPEC_VSUBS.
2928         (*altivec_vspltsf): New.
2929         (altivec_vperm_v4sf): Delete.
2930         (altivec_vperm_<mode>): Use mode macro V.
2931         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
2932         (altivec_predicate_v4sf): Delete.
2933         (altivec_predicate_<mode>): Use mode macro V.
2934         (*altivec_lvesfx): New.
2935         (*altivec_stvesfx): New.
2936         (vec_realign_load_v4sf): Delete.
2937         (vec_realign_load_<mode>): Use mode macro V.
2938         * config/rs6000/rs6000.c (generate_set_vrsave): Use
2939         UNSPECV_SET_VRSAVE.
2940
2941 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
2942
2943         PR bootstrap/23131
2944         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
2945         string.
2946         * configure: Regenerated.
2947
2948 2005-07-29  Paul Brook  <paul@codesourcery.com>
2949
2950         * doc/install.texi: Add link to GFortran binaries wiki page.
2951
2952 2005-07-29  David Ung  <davidu@mips.com>
2953
2954         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
2955         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
2956         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
2957         * config/mips/mips.md (cpu): Add 5kf name.
2958         (includes): Includes 5k.md.
2959         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
2960         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
2961         -march flag.
2962
2963 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
2964
2965         PR 22550
2966         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
2967         (cleanup_tree_cfg): ... here.
2968         Call cleanup_tree_cfg_1 until there are no more cleanups to
2969         do.
2970
2971 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
2972
2973         * tree-vrp.c (compare_range_with_value): Return true or false
2974         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
2975         EQ_EXPR respectively.
2976
2977 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
2978
2979         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
2980         Fix comment typos.
2981
2982 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
2983
2984         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
2985         (tree_ssa_dominator_optimize): Increment it.
2986         (dump_dominator_optimization_stats): Print it.
2987
2988 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
2989             Steven Bosscher  <stevenb@suse.de>
2990
2991         PR rtl-optimization/23117
2992         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
2993         when head == tail.  Tidy comment.
2994
2995 2005-07-28  Richard Henderson  <rth@redhat.com>
2996
2997         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
2998         * cselib.c (rtx_equal_for_cselib_p): Likewise.
2999         * jump.c (rtx_renumbered_equal_p): Likewise.
3000         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
3001         CONST_INT and CONST_DOUBLE.
3002         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
3003         * reload.c (operands_match_p): Special case CONST_INT and
3004         CONST_DOUBLE; check mode earlier.
3005
3006 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3007
3008         PR c/22240
3009         * c-typeck.c (convert_for_assignment): Do not check
3010         DECL_IN_SYSTEM_HEADER on NULL fundecl.
3011
3012 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3013
3014         PR c/22192
3015         * c-typeck.c (composite_type): Prefer constant size arrays to
3016         VLAs.
3017
3018 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3019
3020         PR c/21720
3021         * real.c (real_from_string): Set last bit if there is a nonzero
3022         hex digit beyond GCC's internal precision.
3023
3024 2005-07-28  Richard Henderson  <rth@redhat.com>
3025
3026         PR rtl-opt/22619
3027         * cfgcleanup.c (try_forward_edges): Watch out for end of
3028         insn chain.
3029
3030 2005-07-28  James E Wilson  <wilson@specifixinc.com>
3031
3032         PR c/23106
3033         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3034
3035 2005-07-28  Jan Hubicka  <jh@suse.cz>
3036
3037         * Makefile.in (rtl-profile.o): Kill all traces of it.
3038         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
3039         * coverage.h (rtl_coverage_counter_ref): Kill.
3040         * opts.c (flag_speculative_prefetching_set): Kill.
3041         (flag_loop_optimize_set): New.
3042         (common_handle_option): Disable loop optimizer when profiling;
3043         do not handle speculative prefetching.
3044         * passes.c (init_optimization_passes): Replace pass_profiling combo
3045         by branch_prob pass.
3046         * profile.c (compute_value_histograms): Update for simplified value
3047         profiles.
3048         (rtl_register_profile_hooks): Kill.
3049         (pass_profiling): Kill.
3050         (rest_of_handle_branch_prob): Do not profile.
3051         * toplev.c (process_options): Remove speculative prefetching.
3052         * toplev.h (flag_tree_based_profiling): Kill.
3053         * tree-profile.c (prepare_instrumented_value,
3054         tree_gen_interval_profiler, tree_gen_pow2_profiler,
3055         tree_gen_one_value_profiler, do_tree_profiling): Update for
3056         simplified datastructures.
3057         * value-prof.c: Add comment that speculative prefetching was dropped;
3058         update rest of file for simplified datastructures.
3059         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
3060         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
3061         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
3062         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
3063         rtl_mod_subtract, gen_speculative_prefetch,
3064         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
3065         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
3066         (gate_handle_value_profile_transformations,
3067         rest_of_handle_value_profile_transformations,
3068         pass_value_profile_transformations): Kill.
3069         * value-prof.h (histogram_value_t): Remove IL based unions.
3070         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
3071         rtl_profile_hooks): Remove hooks.
3072
3073         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
3074
3075         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
3076         (cgraph_clone_node): Likewise.
3077         * cgraph.h (cgraph_clone_edge): Update prototype.
3078         (cgraph_clone_node): Likewise.
3079         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
3080         cgraph_clone_node.
3081         (lookup_recursive_calls): Consider profile.
3082         (cgraph_decide_recursive_inlining): Fix updating; use new
3083         probability argument; use profile.
3084         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
3085         * tree-inline.c (copy_bb): Update clal of clone_edge.
3086         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
3087
3088         * invoke.texi (min-inline-recursive-probability): Document.
3089
3090 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
3091
3092         * doc/install.texi (Configuration): Update Valgrind homepage.
3093
3094 2005-07-28  Richard Henderson  <rth@redhat.com>
3095
3096         PR middle-end/21362
3097         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
3098         labels we want to delete.
3099         (cfg_layout_merge_blocks): Likewise.
3100
3101 2005-07-28  Richard Henderson  <rth@redhat.com>
3102
3103         PR target/17692
3104         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
3105         when expanding to nothing.
3106
3107 2005-07-28  Josh Conner  <jconner@apple.com>
3108
3109         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
3110         (cgraph_decide_inlining_of_small_functions): Likewise.
3111
3112 2005-07-28  Josh Conner  <jconner@apple.com>
3113
3114         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
3115         direction of badness if negative.
3116         (cgraph_default_inline_p): Add reason to parameters, and assign it
3117         a value.
3118         (cgraph_decide_inlining_of_small_functions): New parameter in call
3119         to cgraph_default_inline_p.
3120         (cgraph_decide_inlining_incrementally): Likewise.
3121         * cgraphunit.c (decide_is_function_needed): Likewise.
3122         * cgraph.h (cgraph_default_inline_p): Likewise.
3123
3124 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3125
3126         * builtins.c: Fix comment typo(s).
3127         * genautomata.c: Likewise.
3128         * gimplify.c: Likewise.
3129         * tree-dfa.c: Likewise.
3130         * tree-flow-inline.h: Likewise.
3131         * tree-into-ssa.c: Likewise.
3132         * tree-ssa-alias.c: Likewise.
3133         * tree-ssa-ccp.c: Likewise.
3134         * tree-ssa-copy.c: Likewise.
3135         * tree-ssa-dce.c: Likewise.
3136         * tree-ssa-dom.c: Likewise.
3137         * tree-ssa-operands.c: Likewise.
3138         * tree-tailcall.c: Likewise.
3139         * tree-vectorizer.c: Likewise.
3140         * tree-vrp.c: Likewise.
3141         * tree.c: Likewise.
3142
3143 2005-07-28  Jeff Law  <law@redhat.com>
3144
3145         * tree-vrp.c (test_for_singularity): Extracted from  ...
3146         (simplify_cond_using_ranges): Attempt to simplify a relational
3147         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
3148
3149 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
3150
3151         PR tree-optimization/22506
3152         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
3153         phis whose argument is constant.
3154
3155 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
3156
3157         PR rtl-optimization/18992
3158         Back out this patch:
3159           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3160           PR optimization/12142
3161           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
3162           uses of the register in the SET_SRC.  Remove unnecessary argument.
3163
3164         Replace it with this:
3165         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
3166         if flag_non_call_exceptions is set and the insn may trap, pass
3167         pc_rtx as dest for recursion.
3168         In SET_SRC part of SET case, if dest is already set, pass it down
3169         unchanged.
3170
3171 2005-07-28  Jan Hubicka  <jh@suse.cz>
3172
3173         * cfg.c (update_bb_profile_for_threading): Use RDIV.
3174         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
3175         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
3176         roundoff errors.
3177         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
3178         profile when available.
3179
3180 2005-07-28  Jan Beulich <jbeulich@novell.com>
3181
3182         * config/ia64/ia64.c (ia64_load_pair_ok): New.
3183         (ia64_print_operand): Describe and handle 'X'.
3184         (ia64_register_move_cost): Also handle FP_REGS.
3185         (ia64_preferred_reload_class): Likewise.
3186         (ia64_secondary_reload_class): Likewise.
3187         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
3188         it. Also check for ITANIUM_CLASS_FLDP.
3189         * config/ia64/ia64.h (FP_REGNO_P): New.
3190         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
3191         (reg_class): Add FP_REGS.
3192         (REG_CLASS_NAMES): Adjust for it.
3193         (REG_CLASS_CONTENTS): Likewise.
3194         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
3195         (REG_CLASS_FROM_LETTER): Handle 'x'.
3196         (CLASS_MAX_NREGS): Handle FP_REGS.
3197         (MEMORY_MOVE_COST): Likewise.
3198         * config/ia64/ia64.md (itanium_class): Add fldp.
3199         (type): Handle fldp.
3200         (movti_internal): More allowable operand combinations. Use ldfp8 when
3201         splitting unnecessary. Remove predicable attribute. Adjust
3202         itanium_class attribute.
3203         (smuldi3_highpart): Remove outdated comment.
3204         (mulditi3, umulditi3, rotlti3): New expanders.
3205         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
3206         (absti2): Disabled new insn for future reference.
3207         Respective new splitters.
3208         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
3209         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
3210         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
3211
3212 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
3213
3214         PR rtl-optimization/23047
3215         * simplify-rtx.c (simplify_const_relational_operation): Respect
3216         flag_wrapv for comparisons with ABS.
3217
3218 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
3219
3220         PR tree-optimization/22493
3221         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
3222         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
3223
3224 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
3225
3226         * config/frv/frv.opt (moptimize-membar): New.
3227
3228         * doc/invoke.texi: Document -moptimize-membar and its inverse.
3229
3230         * config/frv/frv.h: Remove machine_function definition.
3231
3232         * config/frv/frv.c (struct frv_io): New.
3233         (struct machine_function): Moved from frv.h.  Add has_membar_p.
3234         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
3235         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
3236         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
3237         (frv_optimize_membar_global, frv_optimize_membar): New functions.
3238         (frv_reorg): Call frv_optimize_membar when appropriate.
3239         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
3240         (frv_expand_builtin): Adjust calls accordingly.
3241         (frv_io_address_cookie): New function.
3242         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
3243         load or store rather than a special insn.  Add ccnstant address and
3244         io-type operands to the membar.
3245         (frv_ifcvt_modify_tests): Unsign regno.
3246         (frv_ifcvt_modify_tests): Same.
3247
3248         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
3249         UNSPEC_OPTIONAL_MEMBAR constant.
3250         (builtin_read_<mode>): Delete.
3251         (builtin_write_<mode>): Delete.
3252         ("optional_membar_<mode>"): Add operand.
3253
3254         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
3255         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
3256         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
3257         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
3258         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
3259         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
3260         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
3261         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
3262         * testsuite/gcc.target/frv/all-read-write-1.c: New.
3263
3264 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3265
3266         * df.c (df_uses_record): Handle SCRATCH.
3267
3268 2005-07-28  Steven Bosscher  <stevenb@suse.de>
3269
3270         PR debug/20161
3271         * passes.c (rest_of_decl_compilation): If decl is a type and
3272         we have encountered errors, don't emit debug information.
3273
3274 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
3275
3276         * params.def: Fixed comment.
3277
3278 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
3279
3280         PR target/19885
3281         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
3282         (TARGET_ASM_UNALIGNED_HI_OP): Add.
3283         (TARGET_ASM_UNALIGNED_SI_OP): Add.
3284
3285 2005-07-27  Steven Bosscher  <stevenb@suse.de>
3286
3287         PR c++/22003
3288         * varasm.c (assemble_start_function): Don't do anything that may
3289         require a CFG if the current function is a thunk.
3290
3291 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
3292
3293         * doc/install.texi (Prerequisites): Mention that perl is needed
3294         to do export control in libstdc++ targetting Darwin.
3295
3296 2005-07-27  Steven Bosscher  <stevenb@suse.de>
3297
3298         PR rtl-optimization/17808
3299         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
3300         (sched_insns_conditions_mutex_p): Split out from...
3301         (add_dependence): ...here.  But don't call it from here.
3302         (add_dependence_list): Check sched_insns_conditions_mutex_p
3303         before calling add_dependence.
3304         (add_dependence_list_and_free): Likewise.
3305         (fixup_sched_groups): Likewise.
3306         (sched_analyze_1): Likewise.
3307         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
3308         (sched_analyze): Likewise.
3309         (sched_analyze_insn): Likewise.
3310         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
3311         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
3312         dependencies on all COND_EXEC insns to jumps ending basic blocks
3313         when doing intrablock scheduling.
3314         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
3315
3316 2005-07-27  Jeff Law  <law@redhat.com>
3317
3318         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
3319         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
3320         equivalency sets, correctly handle the case were vr0 has an
3321         equivalency set, but vr1 does not.
3322
3323 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
3324
3325         PR tree-optimization/23073
3326         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
3327         vect_print_dump_info before fprintf.
3328
3329 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3330
3331         PR tree-optimize/22348
3332         * tree-ssa-loop-niter.c (number_of_iterations_cond):
3333         Fold the partial computation.
3334
3335 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3336
3337         PR tree-optimization/22325
3338         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
3339         Declare.
3340         * tree-scalar-evolution.c (scev_const_prop): Add generic final
3341         value replacement.
3342         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
3343         (force_var_cost): ... this function.
3344         (compute_phi_arg_on_exit): Export.
3345
3346 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3347
3348         PR tree-optimization/20773
3349         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
3350         edge.
3351
3352 2005-07-27  Richard Guenther  <rguenther@suse.de>
3353
3354         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
3355         Avoid pushing again if current struct contains only
3356         fields we decomposed.
3357
3358 2005-07-27  Jan Hubicka  <jh@suse.cz>
3359
3360         PR tree-optimization/22574
3361         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
3362         not available.
3363
3364         * tree-tailcall.c (decrease_profile): New function.
3365         (eliminate_tail_call): Use it.
3366
3367         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
3368         visibility flags correctly in whole program mode.
3369
3370 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
3371
3372         PR rtl-optimization/22472
3373         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
3374
3375 2005-07-26  Steven Bosscher  <stevenb@suse.de>
3376
3377         PR tree-optimization/22504
3378         * tree-complex.c (expand_complex_addition): Use 'code' instead
3379         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
3380
3381 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
3382
3383         * config.gcc (cpu_type): Add frv case.
3384         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
3385         (supported_defaults): Add fr550 case.
3386
3387 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
3388
3389         PR 22591
3390         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
3391         whether a pointer of type T * may point to objects of type T *.
3392
3393 2005-07-26  DJ Delorie  <dj@redhat.com>
3394
3395         * configure: Regenerate.
3396
3397 2005-07-26  Dale Johannesen  <dalej@apple.com>
3398
3399         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
3400
3401 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
3402
3403         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
3404         Clarify use of "build" in name.
3405
3406 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
3407
3408         * doc/extend.texi (Raw read/write Functions): New section.
3409         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
3410         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
3411         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
3412         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
3413         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
3414         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
3415         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
3416         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
3417         * config/frv/frv.c: Add bdesc_loads global.
3418         Add bdesc_stores global.
3419         (frv_init_builtins): Add support for __builtin_{read/write}*.
3420         (frv_volatile_memref): New.
3421         (frv_expand_load_builtin): New.
3422         (frv_expand_store_builtin): New.
3423         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
3424         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
3425         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
3426         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
3427         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
3428         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
3429         (builtin_read_<mode>): New.
3430         (builtin_write_<mode>): New.
3431         (builtin_write64): New.
3432         (optional_membar_<mode>): New.
3433
3434 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
3435
3436         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
3437         (rather than units) against HOST_BITS_PER_WIDE_INT.
3438
3439 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
3440
3441         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
3442         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
3443         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
3444         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
3445         FSF address.
3446
3447         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
3448         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
3449         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
3450         comment typos.
3451         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
3452
3453 2005-07-26  Richard Guenther  <rguenther@suse.de>
3454
3455         PR tree-optimization/22486
3456         * fold-const.c (fold_unary): Fold away useless component
3457         references of the form (T *)&T.x, if the address
3458         doesn't change.
3459
3460 2005-07-25  James E Wilson  <wilson@specifixinc.com>
3461
3462         * dwarf2out.c (add_call_src_coords_attributes): New.
3463         (gen_inlined_subroutine_die): Call it.
3464         (maybe_emit_file, init_file_table): Add comments.
3465         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
3466         maybe_emit_file.
3467         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
3468         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
3469         * tree.h (BLOCK_SOURCE_LOCATION): New.
3470         (struct tree_block): New field locus.
3471
3472 2005-07-26  Andreas Schwab  <schwab@suse.de>
3473
3474         PR rtl-optimization/23043
3475         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
3476         when allocating a struct unoccr.
3477
3478 2005-07-25  Richard Henderson  <rth@redhat.com>
3479
3480         PR 22626
3481         * tree-complex.c (gate_no_optimization): True if errors.
3482         * Makefile.in (tree-complex.o): Update dependencies.
3483
3484 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
3485
3486         * config/frv/predicates.md (integer_register_operand): Use
3487         GPR_AP_OR_PSEUDO_P.
3488
3489 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
3490
3491         PR tree-opt/22484
3492         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
3493         after fold.
3494         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
3495
3496 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
3497
3498         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
3499         types when flag_unsafe_math_optimizations is true.
3500
3501 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
3502
3503         * gcc.c (option_map): Add --sysroot.
3504         (process_command): Handle --sysroot.
3505         (display_help): Document it.
3506         * doc/cppopts.tex (-isysroot): Document.
3507         * doc/invoke.texi (--sysroot): Document.
3508         * doc/install.texi (--with-build-sysroot): Document.
3509
3510         * Makefile.in (inhibit_libc): New variable.
3511         (INHIBIT_LIBC_CFLAGS): Likewise.
3512         (LIBGCC2_CFLAGS): Include
3513         $(INHIBIT_LIBC_CFLAGS).
3514         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
3515         ($(T)crtbegin.o): Do not use @inhibit_libc@.
3516         ($(T)crtend.o): Likewise.
3517         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
3518         ($(T)crtendS.o): Likewise.
3519         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
3520         ($(T)crtendT.o): Likewise.
3521         (stmp-fixinc): Do not complain about missing headers if
3522         inhibit_libc.
3523         * configure.ac (inhibit_libc): Set it to true/false.
3524         (--with-build-sysroot): New option.  Use it to set
3525         SYSTEM_HEADER_DIR.
3526         * configure: Regenerated.
3527
3528 2005-07-25  Manfred Hollstein  <mh@suse.com>
3529
3530         * calls.c (store_one_arg): Fix unsigned comparison warning.
3531
3532 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
3533
3534         PR other/22337
3535         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
3536         (ggc_print_statistics): Initialize variable before use.
3537
3538 2005-07-25  Richard Guenther  <rguenther@suse.de>
3539
3540         * tree-dfa.c (mark_new_vars_to_rename): Protect against
3541         calling with a PHI_NODE argument.
3542
3543         * tree-flow-inline.h (overlap_subvar): Protect against
3544         possible overflow.
3545
3546 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
3547
3548         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
3549         * configure: Regenerate.
3550
3551 2005-07-25  Ira Rosen  <irar@il.ibm.com>
3552
3553         * expr.c (highest_pow2_factor): Make extern.
3554         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
3555         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
3556         record_array_differ_p, array_ptr_differ_p): Likewise.
3557         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
3558         additional cases. Call the above functions.
3559         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
3560         base_object_differ_p when there are two base objects. Otherwise, compare
3561         base address and offset. Call may_alias_p.
3562         (dump_data_reference): Use a correct field name.
3563         (analyze_array): Make static. Initialize new data-ref fields.
3564         (analyze_indirect_ref): New function.
3565         (init_data_ref): Initialize new data-ref fields.
3566         (strip_conversion): Moved from tree-vect-analyze.c.
3567         (analyze_offset_expr, get_ptr_offset, address_analysis,
3568         object_analysis): Likewise.
3569         (analyze_offset): New function.
3570         (create_data_ref): Likewise.
3571         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
3572         dimensions for ARRAY_REFs only.
3573         (build_classic_dist_vector): Make static.
3574         (access_functions_are_affine_or_constant_p): Call macro to get the
3575         address of access functions.
3576         (compute_all_dependences): Add new parameter
3577         compute_self_and_read_read_dependences. Compute self and read-read
3578         dependences if it is true.
3579         (find_data_references_in_loop): Call create_data_ref. Initialize new
3580         data-ref fields.
3581         (compute_data_dependences_for_loop): Add new parameter
3582         compute_self_and_read_read_dependences. Remove parameter nb_loops,
3583         compute nb_loops. Call compute_all_dependences,
3584         build_classic_dist_vector and build_classic_dir_vector with correct
3585         parameters.
3586         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
3587         with correct parameters. Compare dimensions for ARRAY_REFs only.
3588         (free_data_refs): Call macro to free access functions.
3589         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
3590         fields from stmt_vinfo.
3591         (struct base_object_info): New structure.
3592         (struct data_reference): Move fields to base_object_info. Add fields
3593         first_location and object_info for above structures. Move fields from
3594         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
3595         aligned_to.  Add macros to access the new fields.
3596         Update functions declarations.
3597         * tree-flow.h (is_aliased_with): Declare.
3598         * tree-loop-linear.c (linear_transform_loops): Call
3599         compute_data_dependences_for_loop with correct parameters.
3600         * tree-ssa-alias.c (is_aliased_with): New function.
3601         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
3602         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
3603         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
3604         vect_base_addr_differ_p, compute_subscript_distance and
3605         build_classic_dist_vector. Add printings. Check absolute value of
3606         distance.
3607         (vect_analyze_data_ref_dependences): Go through ddrs instead of
3608         data-refs.
3609         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
3610         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
3611         to bytes. Add printing.
3612         (vect_compute_data_refs_alignment): Go through loads and stores in one
3613         loop.
3614         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
3615         vect_analyze_data_ref_access): Likewise.
3616         (vect_analyze_pointer_ref_access): Remove.
3617         (vect_address_analysis, vect_object_analysis): Likewise.
3618         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
3619         and analyze data-refs in the loop.
3620         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
3621         fields of data-ref instead of stmt. Add init to the offset from the
3622         base.
3623         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
3624         (vect_update_init_of_dr): Likewise.
3625         (vect_update_inits_of_drs): Go through loads and stores in one loop.
3626         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
3627         removed fields.
3628         (new_loop_vec_info): Initialize new fields.
3629         (destroy_loop_vec_info): Free new fields.
3630         (vect_strip_conversion): Remove.
3631         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
3632         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
3633         datarefs. Add new field ddrs.
3634         Add macros for the new fields access.
3635         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
3636         base_aligned_p, misalignment, memtag, ptr_info and subvars.
3637         Remove their macros.
3638         * tree.h (highest_pow2_factor): Declare.
3639
3640 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
3641
3642         * calls.c (store_one_arg): Check for sibling call MEM arguments
3643         from already clobbered incoming argument area.
3644
3645 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3646
3647         * c-common.c (check_missing_format_attribute): New.
3648         * c-common.h (check_missing_format_attribute): Likewise.
3649         * c-typeck.c (convert_for_assignment): Use it.
3650
3651 2005-07-24  Andreas Schwab  <schwab@suse.de>
3652
3653         * config/m68k/m68k.md ("extendqidi2"): When source is an address
3654         register use a word move.  Correct operand of ext.w in 68000 code.
3655
3656 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
3657
3658         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
3659         variables as declarations, rather than definitions.
3660
3661 2005-07-24  Ira Rosen  <irar@il.ibm.com>
3662
3663         PR tree-optimization/22526
3664         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
3665         of the zero node.
3666
3667 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3668
3669         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
3670         that C99 reserve for future use. Use it to define clog10,
3671         clog10f and clog10l.
3672
3673 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3674
3675         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
3676         * configure.ac: Check for -Wmissing-format-attribute.
3677
3678         * configure: Regenerate.
3679
3680 2005-07-23  Richard Henderson  <rth@redhat.com>
3681
3682         PR tree-optimization/22623
3683         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
3684
3685 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
3686
3687         PR target/22577
3688         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
3689
3690 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3691
3692         * Makefile.in (C_TREE_H): Update dependencies.
3693         * c-tree.h: Include toplev.h.
3694         * diagnostic.h (diagnostic_set_info): Add format attribute.
3695         * rtl-error.c (diagnostic_for_asm): Likewise.
3696
3697 2005-07-23  Chao-ying Fu  <fu@mips.com>
3698
3699         * config/mips/mips-dsp.md: New file.
3700         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
3701         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
3702         functions.
3703         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
3704         MIPS_BUILTIN_BPOSGE32.
3705         (mips_expand_builtin_direct): Add one parameter to indicate that
3706         builtin functions need to return a value.
3707         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
3708         functions.
3709         (mips_regno_to_class): Add classes for 12 new DSP registers.
3710         (mips_subword): Change to check four HI registers.
3711         (mips_output_move): Output move to and from 6 new DSP accumulators.
3712         (override_options): Make sure -mdsp and -mips16 are not used together.
3713         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
3714         for machine modes.
3715         (mips_conditional_register_usage): Disable 6 new DSP accumulators
3716         when !TARGET_DSP.
3717         (print_operand): Add 'q' for printing DSP accumulators.
3718         (mips_cannot_change_mode_class): Check ACC_REGS.
3719         (mips_secondary_reload_class): Check ACC_REGS.
3720         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
3721         (mips_register_move_cost): Check ACC_REGS.
3722         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
3723         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
3724         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
3725         (dsp_bdesc): New array.
3726         (bdesc_arrays): Add DSP builtin function table.
3727         (mips_prepare_builtin_arg): Check predicate again after
3728         copy_to_mode_reg.
3729         (mips_expand_builtin): Add one more parameter to
3730         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
3731         MIPS_BUILTIN_BPOSGE32.
3732         (mips_init_builtins): Initialize new function types.
3733         (mips_expand_builtin_direct): Check if builtin functions need to
3734         return a value and pass operands properly.
3735         (mips_expand_builtin_bposge): New function.
3736         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
3737         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
3738         (FIRST_PSEUDO_REGISTER): Increase to 188.
3739         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3740         Update for 12 new DSP registers.
3741         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
3742         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
3743         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
3744         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
3745         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
3746         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
3747         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
3748         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
3749         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
3750         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
3751         (REGISTER_NAMES): Add names for 12 new DSP registers.
3752         * config/mips/mips.md: Include mips-dsp.md.
3753         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
3754         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
3755         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
3756         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
3757         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
3758         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
3759         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
3760         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
3761         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
3762         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
3763         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
3764         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
3765         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
3766         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
3767         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
3768         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
3769         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
3770         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
3771         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
3772         (UNSPEC_RDDSP): New constants.
3773         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
3774         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
3775         A<-d alternative.
3776         * config/mips/mips.opt (-mdsp): New option.
3777         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
3778         (reg_imm10_operand): New predicates.
3779         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
3780         * doc/invoke.texi (-mdsp): Document new option.
3781
3782 2005-07-22  DJ Delorie  <dj@redhat.com>
3783
3784         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
3785         to warning calls.
3786         * tree-inline.c (inlinable_function_p): Likewise.
3787
3788 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
3789
3790         PR debug/21828
3791         * toplev.c (check_global_declarations): Do not mark undefined
3792         variables as DECL_IGNORED_P.
3793         * varasm.c (first_global_object_name): GTY it.
3794         (weak_global_object_name): Likewise.
3795         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
3796         a string to go into {weak,first}_global_object_name.
3797
3798 2005-07-22  DJ Delorie  <dj@redhat.com>
3799
3800         * c-format.c (check_function_format): Change warning control
3801         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
3802
3803 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
3804
3805         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
3806         &PTR->FLD a dereference of PTR.
3807         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
3808         a potential dereference of PTR.
3809
3810 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
3811
3812         PR rtl-optimization/20370
3813         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
3814         call allocate_reg_info if necessary.
3815
3816         PR rtl-optimization/21848
3817         * calls.c (emit_library_call_value_1): For const functions, add
3818         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
3819
3820         PR rtl-optimization/22445
3821         * cselib.c (target.h): Include.
3822         (rtx_equal_for_cselib_p): Allow commutative matches.
3823         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
3824         Remove MODE parameter.  Changed all callers.
3825
3826         PR rtl-optimization/22258
3827         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
3828         New functions.
3829         (try_combine): Use likely_spilled_retval_p.
3830
3831 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
3832
3833         * config.gcc: Add crx-elf support.
3834
3835         * doc/contrib.texi: Mention crx.
3836         * doc/extend.texi: Document crx extensions.
3837         * doc/install.texi: Document crx install.
3838         * doc/invoke.texi: Document crx options.
3839         * doc/md.texi: Document crx constraints.
3840
3841         * config/crx/crx-protos.h: New file.
3842         * config/crx/crx.c: New file.
3843         * config/crx/crx.h: New file.
3844         * config/crx/crx.md: New file.
3845         * config/crx/crx.opt: New file.
3846         * config/crx/t-crx: New file.
3847
3848 2005-07-22  Manfred Hollstein  <mh@suse.com>
3849
3850         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
3851         warnings.
3852         (int_add_graph_edge): Likewise.
3853         (collapse_nodes): Likewise.
3854         (process_unification_queue): Likewise.
3855
3856 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3857             Laurent GUERBY  <laurent@guerby.net>
3858
3859         PR tree-optimization/22336
3860         * function.c (record_block_change): Check for
3861         cfun->ib_boundaries_block.
3862
3863 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
3864
3865         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
3866         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
3867
3868 2005-07-21  DJ Delorie  <dj@redhat.com>
3869
3870         * toplev.c (warn_deprecated_use): Add warning control to warning
3871         call.
3872         * c-typeck.c (parser_build_binary_op): Likewise.
3873         (c_finish_if_stmt): Likewise.
3874         * c-common.c (check_function_sentinel): Likewise.
3875         (check_nonnull_arg): Likewise.
3876
3877 2005-07-21  Richard Henderson  <rth@redhat.com>
3878
3879         PR tree-opt/22504
3880         * tree-complex.c (complex_ssa_name_components): New.
3881         (cvc_lookup): Allow entry not found.
3882         (create_components): Remove.
3883         (create_one_component_var, get_component_var): New.
3884         (get_component_ssa_name, set_component_ssa_name): New.
3885         (extract_component): Use get_component_ssa_name.
3886         (update_complex_components): Use set_component_ssa_name.
3887         (update_complex_components_on_edge): Likewise.
3888         (update_phi_components): Create new PHI nodes directly, instead
3889         of adding insns to edges.
3890         (tree_lower_complex): Allocate and free complex_variable_components
3891         and complex_ssa_name_components here.
3892
3893 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
3894
3895         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
3896         revert to returning false.
3897
3898 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
3899
3900         PR target/21149
3901         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
3902
3903 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
3904
3905         PR target/22576
3906         * config/i386/i386.md (cmpxf): Change operand constraints
3907         to "nonmemory_operand".
3908
3909 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
3910
3911         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
3912
3913 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
3914
3915         PR middle-end/21180
3916         * fold-const.c (fold_build1): Add checksum for the operands.
3917         (fold_build2): Likewise.
3918         (fold_build3): Likewise.
3919
3920 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
3921
3922         PR middle-end/19055
3923         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
3924
3925 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
3926
3927         * common.opt (-fforward-propagate): Committed by mistake,
3928         removed.
3929
3930 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3931
3932         * reg-stack.c: Fix comment typo(s).
3933         * tree-ssa-operands.c: Likewise.
3934         * tree-vectorizer: Likewise.
3935
3936 2005-07-21  Nick Clifton  <nickc@redhat.com>
3937
3938         * config/sh/symbian.c: Replace C++ style line comments with C
3939         style line comments.
3940         (symbian_add_attribute): Do not use a ? operator on the LHS of
3941         an assignment.
3942         (sh_symbian_handle_dll_attribute): Change the type of the
3943         method vector to "VEC(tree,gc)*" and use vector accessor
3944         macros to walk over the elements.
3945         (symbian_export_vtable_and_rtti_p): Likewise.
3946         (symbian_class_needs_attribute_p): Likewise.
3947
3948 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
3949
3950         PR target/22085
3951         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
3952         initialize targetm.resolve_overloaded_builtin here.
3953         (altivec_expand_overloaded_builtin): Make it non-static.
3954         * config/rs6000/rs6000-protos.h
3955         (altivec_expand_overloaded_builtin): New prototype.
3956         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
3957         targetm.resolve_overloaded_builtin here.
3958         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
3959
3960 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
3961             Zdenek Dvorak  <dvorakz@suse.cz>
3962
3963         PR tree-optimization/19210
3964         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
3965         New.
3966         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
3967         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
3968         rely on unproven assumptions.
3969         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
3970         * tree-flow.h (number_of_iterations_exit): Add final parameter.
3971         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
3972         to number_of_iterations_exit.
3973         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
3974         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
3975         * tree-ssa-loop-niter.c (find_loop_niter,
3976         estimate_numbers_of_iterations_loop): Likewise.
3977         (number_of_iterations_exit): Honor the new options.
3978         * doc/invoke.texi (Wunsafe-loop-optimizations,
3979         funsafe-loop-optimizations): Document them.
3980
3981 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
3982
3983         PR rtl-optimization/22167
3984         * gcse.c (hoist_code): Fix hoist_exprs[] check.
3985
3986 2005-07-20  Adam Nemet  <anemet@lnxw.com>
3987
3988         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
3989         __do_global_dtors_aux longcall.
3990
3991 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
3992
3993         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
3994         (old_special_pred_table): Don't reference
3995         SPECIAL_MODE_PREDICATES.
3996         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
3997         * config/arc/arc.h: Don't mention PREDICATE_CODES.
3998         * config/sh/predicates.h: Don't mention
3999         SPECIAL_MODE_PREDICATES.
4000         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
4001         Remove.
4002
4003 2005-07-20  DJ Delorie  <dj@redhat.com>
4004
4005         * config.gcc: Add m32c-elf support.
4006
4007         * doc/contrib.texi: Mention m32c.
4008         * doc/extend.texi: Document m32c extensions.
4009         * doc/install.texi: Mention m32c.
4010         * doc/invoke.texi: Document m32c options.
4011         * doc/md.texi: Document m32c constraints.
4012
4013         * config/m32c/addsub.md: New file.
4014         * config/m32c/bitops.md: New file.
4015         * config/m32c/cond.md: New file.
4016         * config/m32c/jump.md: New file.
4017         * config/m32c/m32c-lib1.S: New file.
4018         * config/m32c/m32c-lib2.c: New file.
4019         * config/m32c/m32c-modes.def: New file.
4020         * config/m32c/m32c-pragma.c: New file.
4021         * config/m32c/m32c-protos.h: New file.
4022         * config/m32c/m32c.abi: New file.
4023         * config/m32c/m32c.c: New file.
4024         * config/m32c/m32c.h: New file.
4025         * config/m32c/m32c.md: New file.
4026         * config/m32c/m32c.opt: New file.
4027         * config/m32c/minmax.md: New file.
4028         * config/m32c/mov.md: New file.
4029         * config/m32c/muldiv.md: New file.
4030         * config/m32c/predicates.md: New file.
4031         * config/m32c/prologue.md: New file.
4032         * config/m32c/shift.md: New file.
4033         * config/m32c/t-m32c: New file.
4034
4035 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4036
4037         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4038         (stack_protect_set, stack_protect_test): New expanders.
4039         (stack_protect_set_si, stack_protect_set_si_media,
4040         stack_protect_set_di_media, stack_protect_test_si,
4041         stack_protect_test_si_media, stack_protect_test_di_media):
4042         New insns.
4043
4044 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
4045
4046         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
4047
4048 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
4049
4050         * tree.h (tree_expr_nonzero_p): Export.
4051         * fold-const.c (tree_expr_nonzero_p): Likewise.
4052         Return true for CALL_EXPRs that are alloca calls.
4053         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
4054         against zero.
4055         * tree-flow.h (expr_computes_nonzero): Remove.
4056         * tree-vrp.c (expr_computes_nonzero): Remove.
4057         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
4058         (extract_range_from_unary_expr): Likewise.
4059         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
4060         tree_expr_nonzero_p.
4061
4062 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
4063
4064         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
4065         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
4066         extra arg "picreg" and use it instead of pic_offset_table_rtx.
4067         All callers changed.
4068         (frame_related_constant_load): New arg "related" which controls
4069         setting of RTX_FRAME_RELATED_P.  All callers changed.
4070         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
4071         (bfin_expand_prologue): Add stack limit checking.
4072         * config/bfin/bfin.md (trapifcc): New pattern.
4073
4074         * config/bfin/bfin.c: Include "langhooks.h".
4075         (def_builtin): Go through lang_hooks to call builtin_function.
4076
4077         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
4078         * config/bfin/predicates.md (symbol_ref_operand): New.
4079         (call_insn_operand): Delete.  All callers changed to use
4080         register_no_elim_operand.
4081         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
4082         call_cookie field.
4083         (function_arg): Use it to generate the call's operand 2.
4084         (bfin_longcall_p): New function.
4085         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
4086         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
4087         determine if the address needs to be in a REG.
4088         (bfin_handle_longcall_attribute): New function.
4089         (bfin_attribute_table): Add "longcall" and "shortcall".
4090         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
4091         (CUMULATIVE_ARGS): New member call_cookie.
4092         (PREDICATE_CODES): Add symbol_ref_operand.
4093         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
4094         extra USE to the pattern.
4095         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
4096         New patterns, split off call_insn, sibcall_insn, call_value_insn and
4097         sibcall_value_insn; now the new patterns handle direct calls and the
4098         old ones indirect calls.
4099         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
4100
4101 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
4102
4103         * doc/trouble.texi: Update section on handling of empty loops.
4104
4105 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
4106
4107         * config.gcc: Remove support for sparc-*-openbsd*,
4108         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
4109         ns32k-*-netbsd*.
4110         * config.host: Remove support for i860-*-sysv4* as a host.
4111         * config/i860/*, config/ip2k/*, config/ns32k/*,
4112         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
4113         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
4114         mention obsolete ports.
4115
4116 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4117
4118         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
4119         soft frame pointer.
4120         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
4121         of frame_pointer_rtx.
4122         (sh_expand_epilogue): Likewise.
4123         (sh_set_return_address): Likewise.
4124         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
4125         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
4126         offsets from FRAME_POINTER_REGNUM.
4127         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
4128         (sh_register_names): Add initializer for sfp.
4129         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
4130         (VALID_REGISTER_P): Likewise.
4131         (FIRST_PSEUDO_REGISTER): Update.
4132         (DWARF_FRAME_REGISTERS): Define.
4133         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
4134         (HARD_FRAME_POINTER_REGNUM): Define.
4135         (FRAME_POINTER_REGNUM): Redefine.
4136         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
4137         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
4138         from FRAME_POINTER_REGNUM.
4139         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
4140         FRAME_POINTER_REGNUM.
4141         (REG_CLASS_CONTENTS): Add sfp.
4142         (REG_ALLOC_ORDER): Likewise.
4143         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
4144         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
4145         of frame_pointer_rtx.
4146         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
4147
4148 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
4149
4150         * fold-const.c (tree_expr_nonnegative_p): Only return true for
4151         ABS_EXPR when flag_wrapv is false because of INT_MIN.
4152         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
4153         of an ABS_EXPR.
4154         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
4155         ABS_EXPR<x>.
4156
4157 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
4158
4159         Make CONSTRUCTOR use VEC to store initializers.
4160         * c-common.c (complete_array_type): Update to cope with VEC in
4161         CONSTRUCTOR_ELTS.
4162         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
4163         (pp_c_constructor_elts): New function.
4164         * c-pretty-print.h (pp_c_constructor_elts): Declare.
4165         * c-typeck.c (build_function_call, build_c_cast, digest_init,
4166         struct constructor_stack, struct initializer_stack,
4167         constructor_elements, push_init_level, pop_init_level,
4168         add_pending_init, find_init_member, output_init_element): Update to
4169         cope with VEC in CONSTRUCTOR_ELTS.
4170         * coverage.c (build_fn_info_value, build_ctr_info_value,
4171         build_gcov_info): Likewise.
4172         * expr.c (categorize_ctor_elements_1, store_constructor,
4173         expand_expr_real_1): Likewise.
4174         * fold-const.c (fold_ternary): Likewise.
4175         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
4176         gimplify_init_constructor, gimplify_expr): Likewise.
4177         * tree-dump.c (dequeue_and_dump): Likewise.
4178         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
4179         node.
4180         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
4181         CONSTRUCTOR_ELTS.
4182         * tree-sra.c (generate_element_init_1): Likewise.
4183         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
4184         * tree-ssa-operands.c (get_expr_operands): Likewise.
4185         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
4186         * tree-vect-transform.c (vect_get_vec_def_for_operand):
4187         (get_initial_def_for_reduction): Likewise.
4188         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
4189         value handle in annotations.
4190         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
4191         tree_node_structure): Add support for constr_kind.
4192         (build_vector_from_ctor, build_constructor_single,
4193         build_constructor_from_list): New functions.
4194         (build_constructor): Update to take a VEC instead of a TREE_LIST.
4195         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
4196         Update to cope with VEC in CONSTRUCTOR_ELTS.
4197         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
4198         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
4199         CONSTRUCTOR_APPEND_ELT): New macros.
4200         (struct constructor_elt, struct tree_constructor): New data types.
4201         (union tree_node): Add tree_constructor field.
4202         * treestruct.def: Define TS_CONSTRUCTOR.
4203         * varasm.c (const_hash_1, compare_constant, copy_constant,
4204         compute_reloc_for_constant, output_addressed_constants,
4205         initializer_constant_valid_p, output_constant,
4206         array_size_for_constructor, output_constructor): Update to cope with
4207         VEC in CONSTRUCTOR_ELTS.
4208         * vec.h (VEC_empty, VEC_copy): New macros.
4209
4210 2005-07-19  Devang Patel  <dpatel@apple.com>
4211
4212         * dbxout.c (dbxout_type): Check Objective-C++ lang.
4213
4214 2005-07-19  Richard Henderson  <rth@redhat.com>
4215
4216         PR tree-opt/22278
4217         * gimplify.c (gimplify_expr): Use main variant type for the temp
4218         destination for a discarded volatile read.
4219         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
4220         casts between non-void types that change volatility.
4221
4222 2005-07-15  DJ Delorie  <dj@redhat.com>
4223
4224         * toplev.h: Add comment about the first parameter for warning().
4225         * errors.h: Likewise.
4226
4227         * c.opt (Wpragmas): New.
4228         * doc/invoke.texi: Document it.
4229
4230         * function.c (do_warn_unused_parameter): Add warning control to
4231         warning call.
4232         * c-decl.c (warn_if_shadowing): Likewise.
4233         * c-lex.c (cb_def_pragma): Likewise.
4234         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
4235         (pop_alignment): Likewise.
4236         (handle_pragma_pack): Likewise.
4237         (apply_pragma_weak): Likewise.
4238         (handle_pragma_weak): Likewise.
4239         (handle_pragma_redefine_extname): Likewise.
4240         (add_to_renaming_pragma_list): Likewise.
4241         (handle_pragma_extern_prefix): Likewise.
4242         (maybe_apply_renaming_pragma): Likewise.
4243         (handle_pragma_visibility): Likewise.
4244
4245         * config/c4x/c4x-c.c (BAD): Likewise.
4246         (c4x_parse_pragma): Likewise.
4247         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
4248         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
4249         (rs6000_pragma_longcall): Likewise.
4250         * config/v850/v850-c.c (pop_data_area): Likewise.
4251         (ghs_pragma_section): Likewise.
4252         (ghs_pragma_section): Likewise.
4253         (ghs_pragma_interrupt): Likewise.
4254         (ghs_pragma_starttda): Likewise.
4255         (ghs_pragma_startsda): Likewise.
4256         (ghs_pragma_startzda): Likewise.
4257         (ghs_pragma_endtda): Likewise.
4258         (ghs_pragma_endsda): Likewise.
4259         (ghs_pragma_endzda): Likewise.
4260
4261 2005-07-19  Danny Berlin <dberlin@dberlin.org>
4262             Kenneth Zadeck <zadeck@naturalbridge.com>
4263
4264         * Makefile.in: Removed tree-promote-statics.c
4265         * tree-promote-statics.c: Removed.
4266         * common.opt: Removed flag-promote-statics.
4267         * opts.c: Ditto.
4268         * passes.c: Removed tree-promote-statics pass.
4269         * tree-pass.h: Ditto.
4270         * timevar.def: Removed TV_PROMOTE_STATICS.
4271
4272
4273 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
4274
4275         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
4276         and *-*-freebsd9.
4277         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
4278
4279 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4280
4281         PR c/22476
4282         * c-common.c (check_function_arguments): Call
4283         'check_function_format' if either -Wformat or
4284         -Wmissing-format-attribute are specified.
4285         * c-format.c (check_function_format): Check -Wformat before
4286         calling 'check_format_info'.
4287         * c-opts.c (c_common_post_options): Don't warn for
4288         -Wmissing-format-attribute without -Wformat.
4289         * c-typeck.c (convert_for_assignment): Detect additional cases for
4290         -Wmissing-format-attribute.
4291         * doc/invoke.texi (-Wmissing-format-attribute): Document new
4292         behavior.
4293
4294 2005-07-19  Richard Guenther  <rguenther@suse.de>
4295
4296         * config/i386/i386.md (lrint<mode>2): Use temporary
4297         instead of clobbering non-existent memory.
4298
4299 2005-07-19  Nick Clifton  <nickc@redhat.com>
4300
4301         * config/avr/avr.c (legitimate_address_p): Fix debugging print
4302         statement to avoid displaying ASCII control characters.
4303
4304 2005-07-19  Ben Elliston  <bje@au.ibm.com>
4305
4306         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
4307         * cfganal.c (find_edge_index): Ditto.
4308         * combine.c (combine_instructions): Ditto.
4309         * ddg.c (create_scc): Ditto.
4310         (find_successors): Ditto.
4311         (find_predecessors): Ditto.
4312         (find_nodes_on_paths): Ditto.
4313         (longest_simple_path): Ditto.
4314         * flow.c (update_life_info): Ditto.
4315         (count_or_remove_death_notes): Ditto.
4316         (clear_log_links): Ditto.
4317         * modulo-sched.c (generate_reg_moves): Ditto.
4318         (find_max_asap): Ditto.
4319         (find_max_hv_min_mob): Ditto.
4320         (find_max_dv_min_mob): Ditto.
4321         * sbitmap.c (sbitmap_first_set_bit): Ditto.
4322         * sched-rgn.c (extract_edgelst): Ditto.
4323         * tree-into-ssa.c (prepare_names_to_update): Ditto.
4324         (dump_update_ssa): Ditto.
4325         (ssa_names_to_replace) Ditto.
4326         (switch_virtuals_to_full_rewrite): Ditto.
4327         (update_ssa): Ditto.
4328         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
4329
4330 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
4331
4332         Fix PR tree-optimization/22483
4333
4334         * tree-complex.c (create_components): Use
4335         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
4336         * tree-flow-inline.h (fill_referenced_var_vec): New function.
4337         * tree-flow.h (safe_referenced_var_iterator): New structure.
4338         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
4339         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
4340         safe_referenced_var iterator.
4341         (add_type_alias): Ditto.
4342
4343 2005-07-19  Steven Bosscher  <stevenb@suse.de>
4344
4345         * loop-init.c (rest_of_handle_loop2): Remove.
4346         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
4347         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
4348         (pass_rtl_loop_init, pass_rtl_loop_done,
4349         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
4350         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
4351         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
4352         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
4353         pass_tree_loop_done, and pass_tree_unswitch.
4354         (gate_loop): Rename to gate_tree_loop.
4355         * passes.c (init_optimization_passes): Update for renamed tree
4356         loop passes.  Add the new loop2 passes as subpasses of loop2.
4357         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
4358         Update for the renamed tree loop passes.
4359
4360 2005-07-18  Ian Lance Taylor  <ian@airs.com>
4361
4362         PR middle-end/22057
4363         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
4364         blocks when optimizing.
4365
4366 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
4367
4368         * common.opt (frename-registers): Initialize to 2.
4369         (fweb): Ditto.
4370         (fgcse-after-reload): Ditto.
4371         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
4372         (process_options): Only change flag_web, flag_rename_registers,
4373         and flag_rerun_cse_after_loop if not explicitly set by user.
4374
4375 2005-07-18  Jan Beulich  <jbeulich@novell.com>
4376
4377         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
4378         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
4379         in 64-bit mode the same as DImode in 32-bit mode.
4380         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
4381         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
4382         mode. Add new mode parameter.
4383         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
4384         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
4385         x86_64_shift_adj): New expanders.
4386         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
4387         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
4388         insns.
4389         Respective new splitters. Use renamed shift splitter helpers in 32-bit
4390         DImode shift splitters.
4391         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
4392         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
4393         mode parameter.
4394
4395 2005-07-18  Jan Beulich  <jbeulich@novell.com>
4396
4397         * i386.md (movdi_extzv_1): New.
4398         (zero_extendhidi2): Combine alternatives and never force use of
4399         REX64 prefix.
4400         (zero_extendqidi2): Likewise. Don't restrict input selection.
4401
4402 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4403
4404         Fix PR tree-optimization/22531
4405         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
4406          moment.
4407
4408 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4409
4410         * tree-promote-statics.c (pass_promote_statics): Change dump file
4411          name.
4412
4413 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4414
4415         * tree-optimize.c (init_tree_optimization_passes): Add
4416         pass_eliminate_useless_stores pass.
4417         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
4418         * tree-ssa-pre.c (is_copy_stmt): New function.
4419         (follow_copies_till_vuse): Ditto.
4420         (do_eustores): Ditto.
4421         (gate_eustores): Ditto.
4422
4423 2005-07-16  Richard Henderson  <rth@redhat.com>
4424
4425         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
4426
4427 2005-07-16 Danny Berlin <dberlin@dberlin.org>
4428            Kenneth Zadeck <zadeck@naturalbridge.com>
4429
4430         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
4431         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
4432         ipa-type-escape.h, tree-promote-statics.c
4433         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
4434         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
4435         tree-promote-statics.c: new files.
4436         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
4437         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
4438         int nonlocal_set_p, mark_constant_function): Deleted.
4439         (rest_of_handle_cfg): Removed call to mark_constant_function.
4440         (nonoverlapping_component_refs_p): Added calls to support
4441         type based aliasing.
4442         * tree-ssa-alias.c (may_alias_p,
4443         compute_flow_insensitive_aliasing): Ditto.
4444         * calls.c (flags_from_decl_or_type): Removed reference to
4445         cgraph_rtl_info.
4446         * c-typeck.c (convert_arguments): Make builtins tolerant of having
4447         too many arguments.  This is necessary for Spec 2000.
4448         * cgraph.h (const_function, pure_function): Removed.
4449         * common.opt: Added "fipa-pure-const", "fipa-reference",
4450         "fipa-type-escape", and "ftree-promote-static".
4451         * opts.c: Ditto.
4452         * passes.c: Added ipa and tree-promote-statics passes.
4453         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
4454         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
4455         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
4456         * tree-flow.h: Added exposed sra calls and addition of
4457         reference_vars_info field for FUNCTION_DECLS.
4458         * tree-pass.h: Added passes.
4459         * tree-sra.c: (sra_init_cache): New function.
4460         (sra_insert_before, sra_insert_after) Made public.
4461         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
4462         and made public.
4463         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
4464         aliasing. (may_alias_p): Added code to use type escape analysis to
4465         improve alias sets.
4466         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
4467         code to prune clobbers of static variables based on information
4468         produced in ipa-reference pass.  Changed call clobbering so that
4469         statics are not marked as clobbered if the call does not clobber
4470         them.
4471
4472 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
4473
4474         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
4475         too.
4476
4477 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4478
4479         * doc/install.texi (*-*-solaris2*): Document recommended version
4480         of GNU binutils and mention GNU linker problem on Solaris 10.
4481
4482 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
4483
4484         PR c/22421
4485         * c-decl.c (c_build_bitfield_integer_type): New function.
4486         (finish_struct): Call it.
4487         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
4488
4489 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4490
4491         * c-typeck.c (digest_init): Call 'convert_for_assignment'
4492         before returning.
4493
4494 2005-07-16  Jan Hubicka  <jh@suse.cz>
4495
4496         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
4497         (scale_bbs_frequencies_int): Watch roundoff errors.
4498         * predict.c (return_prediction): Initialize return_stmt.
4499
4500 2005-07-16  Jan Hubicka  <jh@suse.cz>
4501
4502         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
4503         after RTL profiling.
4504
4505 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
4506
4507         PR middle-end/22398
4508         * fold-const.c (build_range_check): Convert high/low to etype
4509         if we are only comparing against exp.
4510
4511 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
4512
4513         Fix PR tree-optimization/22376
4514         * tree-ssa-structalias.c (build_constraint_graph): We really meant
4515         special var here.
4516         (need_to_solve): New function.
4517         (compute_points_to_sets): Use it.
4518
4519 2005-07-15  Jan Hubicka  <jh@suse.cz>
4520
4521         * cfg.c (update_bb_profile_for_threading): More diagnostic.
4522         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
4523
4524 2005-07-15  Richard Guenther  <rguenther@suse.de>
4525
4526         * c-common.c (handle_flatten_attribute): New function.
4527         Add flatten function attribute.
4528         * doc/extend.texi: Document flatten function attribute.
4529         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
4530         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
4531         New functions.
4532         (cgraph_decide_inlining): Handle functions with flatten
4533         attribute.
4534
4535 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
4536
4537         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
4538         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
4539         UNSPEC_XCHG, UNSPEC_AND): New.
4540         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
4541         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
4542         * config/rs6000/sync.md (FETCHOP): New code macro.
4543         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
4544         New code attrs.
4545         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
4546         (sync_compare_and_swap<mode>): Same.
4547         (sync_lock_test_and_set<mode>): Same.
4548         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
4549         for QImode and HImode, and not PPC405.
4550         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
4551         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
4552         (sync_<fetchop>{si,di}_internal): New.
4553         (sync_nand{si,di}_internal): New.
4554         (sync_old_<fetchop>{si,di}_internal): New.
4555         (sync_old_nand{si,di}_internal): New
4556         (sync_new_<fetchop>{si,di}_internal): New.
4557         (sync_new_nand{si,di}_internal): New.
4558         (atomic_and{si,di}): New.
4559         (sync_new_nand{si,di}_internal): New.
4560         (atomic_and{si,di}): New.
4561         (sync_add<mode>_internal): Delete.
4562         (sync_addshort_internal): Use unspec instead of unspec_volatile.
4563         (sync_sub<mode>_internal): Delte.
4564         (sync_subshort_internal): New.
4565         (sync_andsi_internal): Use unspec instead of unspec_volatile.
4566         (sync_anddi_internal): Delete.
4567         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
4568         (sync_booldi_internal): Delete.
4569         (sync_boolc<mode>_internal): Delete.
4570         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
4571         (sync_boolc<mode>_internal2): Delete.
4572         (sync_boolcc<mode>_internal): Delete.
4573         (isync, lwsync): Use unspec instead of unspec_volatile.
4574         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
4575         Revert UNSPEC_VOLATILE.
4576         (rs6000_split_atomic_op): New.
4577         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
4578
4579 2005-07-14  Eric Christopher  <echristo@redhat.com>
4580
4581         * config/mips/mips.c (mips_canonicalize_comparison): Cast
4582         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
4583
4584 2005-07-14  Eric Christopher  <echristo@redhat.com>
4585
4586         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
4587
4588 2005-07-14  Steven Bosscher  <stevenb@suse.de>
4589
4590         PR tree-optimization/22230
4591         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
4592         the computation of the four cross productions for "range op range".
4593
4594 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
4595             Ulrich Weigand  <uweigand@de.ibm.com>
4596
4597         PR target/20126
4598         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
4599         in some insn.
4600
4601 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
4602
4603         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
4604
4605 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
4606
4607         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
4608
4609 2005-07-14  Richard Guenther  <rguenther@suse.de>
4610
4611         PR middle-end/22347
4612         * config/i386/i386-protos.h (ix86_function_value): Change
4613         prototype to match new target hook.
4614         * config/i386/i386.c (ix86_value_regno): Change prototype
4615         to take extra type argument.
4616         (TARGET_FUNCTION_VALUE): Define.
4617         (ix86_function_ok_for_sibcall): Pass extra argument to
4618         ix86_value_regno, check return slot rtx for exact match.
4619         (ix86_function_value): Take extra parameter.  Dispatch to
4620         ix86_value_regno with fndecl/fntype as provided.
4621         (ix86_value_regno): Handle extra type argument.
4622         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
4623
4624         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
4625         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
4626         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
4627         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
4628         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
4629
4630 2005-07-14  Richard Guenther  <rguenther@suse.de>
4631
4632         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
4633         * calls.c (expand_call): Pass fntype to hard_function_value.
4634         (emit_library_call_value_1): Likewise.
4635         * explow.c: Include target.h.
4636         (hard_function_value): Take extra argument, the fntype.
4637         Use new target hook for function_value.
4638         * expr.h (hard_function_value): Change prototype.
4639         * function.c (aggregate_value_p): Pass 0 as fntype to
4640         hard_function_value.
4641         (assign_parms): Use new target hook for function_value.
4642         Pass 0 as fntype to hard_function_value.
4643         (expand_function_end): Likewise.
4644         * reg-stack.c: Include target.h.
4645         (stack_result): Use new target hook for function_value.
4646         * target-def.h: New target hook function_value.
4647         * target.h: Likewise.
4648         * targhooks.c (default_function_value): New function.
4649         * targhooks.h (default_function_value): Declare.
4650
4651 2005-07-13  Ian Lance Taylor  <ian@airs.com>
4652
4653         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4654
4655 2005-07-14  Jan Hubicka  <jh@suse.cz>
4656
4657         * tree-dfa.c (dump_variable): Use default_def function.
4658         * tree-ssa-alias.c (dump_points_to_info): Likewise.
4659         * tree-ssa.c (verify_use): Likewise.
4660         * tree-ssanames.c (release_ssa_name): Likewise.
4661         * tree-tailcall.c (eliminate_tail_call): Likewise.
4662         (tree_optimize_tail_calls_1): Likewise.
4663         * tree-vrp.c (get_value_range): Likewise.
4664
4665 2005-07-14  Ben Elliston  <bje@au.ibm.com>
4666
4667         * gcc.c (main): Compare language[0] with '*' when iterating over
4668         the infiles.
4669
4670 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
4671
4672         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
4673         "s390_emit_compare".  Add handling of CCZ1mode.
4674         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
4675         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
4676         checking.
4677         (s390_branch_condition_mask): Add CCZ1mode handling.
4678         * config/s390/s390.md: ("seq", "*seq"): New pattern.
4679         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
4680         Use CCZ1mode instead of CCZmode.
4681         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
4682
4683 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
4684
4685         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
4686         pattern.
4687         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
4688
4689 2005-07-13  Eric Christopher  <echristo@redhat.com>
4690
4691         * config/mips/mips.c (mips_canonicalize_comparison): New.
4692         (mips_emit_int_relational): Use.
4693
4694 2005-07-13  Eric Christopher  <echristo@redhat.com>
4695
4696         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
4697         static extra parts.
4698         * config/s390/s390.md: Include tpf.md. Move tpf specific
4699         patterns...
4700         * config/s390/tpf.md: To here.
4701         * config/s390/s390.opt: Move tpf specific options...
4702         * config/s390/tpf.opt: to here. Add mmain option.
4703         * config/s390/tpf-unwind.h: Remove unnecessary defines.
4704         * config/s390/tpf.h: Rewrite.
4705
4706 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
4707
4708         * doc/tm.texi: Remove @xref{Cross-profiling}.
4709
4710 2005-07-13  Jeff Law  <law@redhat.com>
4711
4712         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
4713         expressions, test their _DECL operands for pointer equality rather
4714         than using operand_equal_p.
4715
4716 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
4717
4718         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
4719         (TARGET_POSIX_IO): This.
4720         * config/darwin.h: Likewise.
4721         * config/freebsd.h: Likewise.
4722         * config/linux.h: Likewise.
4723         * config/lynx.h: Likewise.
4724         * config/netbsd.h: Likewise.
4725         * config/rs6000/linux64.h: Likewise.
4726         * config/rs6000/linux.h: Likewise.
4727         * config/s390/tpf.h: Likewise.
4728         * config/sh/embed-elf.h: Likewise.
4729         * config/sparc/linux64.h: Likewise.
4730         * config/sparc/linux.h: Likewise.
4731         * config/svr4.h: Likewise.
4732         * gcov-io.h: Likewise.
4733
4734         * doc/tm.texi: Updated.
4735
4736         * libgcov.c (create_file_directory): Defined only if
4737         TARGET_POSIX_IO is defined.
4738         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
4739         is defined.
4740
4741 2005-07-13  Jan Hubicka  <jh@suse.cz>
4742
4743         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
4744
4745 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
4746
4747         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
4748         structure as argument.
4749
4750 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
4751
4752         PR tree-optimization/21921
4753         * tree-iterator.c (tsi_link_before): Support the case when
4754         tsi_end_p (tsi) == true.
4755
4756 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
4757
4758         PR tree-optimization/22442
4759         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
4760         correctly.
4761
4762 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
4763
4764         PR rtl-optimization/20376
4765         * toplev.c (process_options): Enable -fweb and -frename-registers when
4766         unrolling.
4767         * doc/invoke.texi: Update the information about when -fweb and
4768         -frename-registers are enabled.
4769
4770 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
4771
4772         PR tree-opt/21840
4773         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
4774         if *rhs_p is not a SSA_NAME.
4775
4776 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
4777
4778         Fix PR tree-optimization/22422
4779         * tree-ssa-structalias.c (struct variable_info): Add flag for
4780         special vars.
4781         (get_varinfo): Now a static function.
4782         (new_varinfo): init has_union and is_special_var to false.
4783         (solution_set_add): Check has_union.
4784         (do_da_constraint): Move temporary variable so it gets reset
4785         properly.
4786         Also check for special variable.
4787         (do_ds_constraint): Ditto.
4788         (do_sd_constraint): Ditto.
4789         (do_structure_copy): Check for special variable.
4790         (find_func_aliases): Ditto.
4791         (init_base_vars): Set special vars properly.
4792
4793 2005-07-13  Jan Hubicka  <jh@suse.cz>
4794
4795         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
4796         do unit-at-a-time.
4797
4798         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
4799         (get_expr_operands): Fix thinko wrt flags and subvars.
4800
4801         PR tree-optimize/22379
4802         * tree-inline.c (expand_call_inline): Do not output sorry in early
4803         inlining.
4804
4805 2005-07-12  Dale Johannesen  <dalej@apple.com>
4806
4807         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
4808
4809 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
4810
4811         PR bootstrap/21704
4812         * host-linux.h: Include limits.h.
4813
4814 2005-07-12  Dale Johannesen  <dalej@apple.com>
4815
4816         * expr.c (compress_float_constant):  Add cost check.
4817         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
4818
4819 2005-07-12  Dale Johannesen  <dalej@apple.com>
4820
4821         * gcc.target/i386/compress-float-sse.c:  New.
4822         * gcc.target/i386/compress-float-sse-pic.c:  New.
4823         * gcc.target/i386/compress-float-387.c:  New.
4824         * gcc.target/i386/compress-float-387-pic.c:  New.
4825         * gcc.dg/compress-float-ppc.c:  New.
4826         * gcc.dg/compress-float-ppc-pic.c:  New.
4827
4828 2005-07-12  Eric Christopher  <echristo@redhat.com>
4829
4830         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
4831         static extra parts.
4832         * config/s390/s390.md: Include tpf.md. Move tpf specific
4833         patterns...
4834         * config/s390/tpf.md: To here.
4835         * config/s390/s390.opt: Move tpf specific options...
4836         * config/s390/tpf.opt: to here. Add mmain option.
4837         * config/s390/tpf-unwind.h: Remove unnecessary defines.
4838         * config/s390/tpf.h: Rewrite.
4839
4840 2005-07-12  Eric Christopher  <echristo@redhat.com>
4841
4842         * gcc.c (struct infile): Update comment for language.
4843         (main): Rewrite input file resetting code.
4844
4845 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
4846
4847         PR tree-opt/22335
4848         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
4849         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
4850         (lookup_avail_expr): Use constant_boolean_node instead
4851         of boolean_false_node/boolean_true_node.
4852
4853 2005-07-12  Ben Elliston  <bje@au.ibm.com>
4854
4855         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
4856         and use it when printing num_edges.
4857
4858 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
4859
4860         * doc/extend.texi (Blackfin Built-in Functions): New section.
4861         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
4862         @opindex.
4863
4864 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
4865
4866         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
4867         s/cmpstrsi/cmpstrnsi
4868         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
4869         'cmpstrnsi'.
4870         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
4871         (init_optabs): Initialize cmpstrn_optab.
4872         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
4873         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
4874         * expr.c: (enum insn_code cmpstrn_optab): Declare.
4875         * config/i386/i386.md: s/cmpstr/cmpstrn
4876         * config/c4x/c4x.md: s/cmpstr/cmpstrn
4877         * doc/md.texi: Update documentation.
4878
4879 2005-07-11  Richard Henderson  <rth@redhat.com>
4880
4881         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
4882         build_va_arg_indirect_ref.
4883         (alpha_gimplify_va_arg): Likewise.
4884         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
4885         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
4886         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
4887         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
4888         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
4889         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
4890         Likewise.
4891         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
4892
4893 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
4894
4895         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
4896         * passes.c (init_optimization_passes): Add pass_empty_loop.
4897         * tree-pass.h (pass_empty_loop): Declare.
4898         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
4899         try_remove_empty_loop, remove_empty_loops): New functions.
4900         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
4901         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
4902
4903 2005-07-12  Peter Barada  <peter@the-baradas.com>
4904
4905         PR middle-end/16719
4906         PR middle-end/18421
4907         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
4908         in address registers.
4909         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
4910         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
4911         alternative of addsi3_5200.
4912
4913 2005-07-11  Ian Lance Taylor  <ian@airs.com>
4914
4915         * config/mips/mips.md (ffs<mode>2): Remove.
4916
4917 2005-07-11  Ian Lance Taylor  <ian@airs.com>
4918
4919         * doc/tree-ssa.texi (Cleanups): Improve description of
4920         TRY_FINALLY_EXPR.
4921         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
4922
4923 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
4924
4925         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
4926         * tree.h (DECL_ARGUMENT_FLD): New macro.
4927
4928 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
4929
4930         Fix PR tree-optimization/22404
4931
4932         * tree-ssa-structalias.c (create_variable_info_for): Use
4933         correct offset.
4934
4935 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4936
4937         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
4938         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
4939         for second comparison operand.
4940         * config/bfin/predicates.md (reg_or_const_int_operand): New.
4941
4942         * config/bfin/bfin.md (define_attr "type"): Add "sync".
4943         (define_insn_reservation "alu"): Likewise.
4944         (csync, ssync): Now of type sync.
4945         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
4946         -mcsync-anomaly -mspecld-anomaly.
4947         * config/bfin/bfin.opt (mcsync): Remove.
4948         (mcsync-anomaly, mspecld-anomaly): Add.
4949         * config/bfin/bfin.c: Include "insn-codes.h".
4950         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
4951         (TARGET_DEFAULT_TARGET_FLAGS): New.
4952         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
4953
4954 2005-07-11  Steven Bosscher  <stevenb@suse.de>
4955
4956         * basic-block.h: Give the BB flags enum a name, bb_flags.
4957         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
4958         * cfgcleanup.c (enum bb_flags): Remove here.
4959         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
4960         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
4961         (update_forwarder_flag): Likewise.
4962         (thread_jump): Likewise.
4963         (try_forward_edges): Likewise.
4964         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
4965         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
4966         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
4967
4968 2005-07-11  Richard Guenther  <rguenther@suse.de>
4969
4970         * config/i386/i386.opt: New target option -msseregparm.
4971         * config/i386/i386.c (override_options): Error out for
4972         -msseregparm but no SSE support.
4973         (ix86_function_sseregparm): Check for global sseregparm.
4974         * doc/invoke.texi: Document -msseregparm.
4975
4976 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4977
4978         * config.gcc (m32r-*-linux*): Use the default extra_parts.
4979         (m32rle-*-linux*): Ditto.
4980
4981 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
4982
4983         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
4984         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
4985         bytes.
4986
4987 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4988
4989         PR middle-end/22239
4990         PR target/20126
4991         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
4992         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
4993
4994 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
4995
4996         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
4997         (varmap): Heapify varmap.
4998         (constraints): Heapify constraints.
4999         (struct constraint_graph): Heapify succs and preds.
5000         (constraint_vec_find): Update for heapification.
5001         (constraint_set_union): Ditto.
5002         (insert_into_complex): Ditto.
5003         (constraint_edge_vec_find): Ditto.
5004         (erase_graph_self_edge): Ditto.
5005         (add_graph_edge): Ditto.
5006         (get_graph_weights): Ditto.
5007         (merge_graph_nodes): Ditto.
5008         (build_constraint_graph): Ditto.
5009         (topo_visit): Ditto.
5010         (solve_graph): Ditto.
5011         (create_variable_info_for): Ditto.
5012         (init_base_vars): Ditto.
5013         (delete_points_to_sets): Free graph, varmap, and complex constraints.
5014         (condese_varmap_nodes): Free complex vector.
5015         (clear_edges_for_node): Clear succs and preds vector.
5016
5017 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
5018
5019         * tree-ssa-structalias.c (update_alias_info): Change counting of
5020         references to not include vdefs.
5021
5022 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
5023
5024         * tree-ssa-alias.c (free_used_part_map): Add missing free.
5025         (up_insert): Ditto.
5026
5027 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5028
5029         * pa.c (pa_commutative_p): Make PLUS commutative when
5030         TARGET_NO_SPACE_REGS is true.
5031
5032 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
5033
5034         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
5035         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
5036         * tree-dfa.c (dump_subvars_for): New.
5037         (debug_subvars_for): New.
5038         (dump_variable): Show subvariables if VAR has them.
5039         * tree-flow-inline.h (get_subvar_at): New.
5040         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
5041         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
5042         Update all users.
5043         (struct subvar): Change fields offset and size to unsigned
5044         HOST_WIDE_INT.
5045         (dump_subvars_for): Declare.
5046         (debug_subvars_for): Declare.
5047         (get_subvar_at): Declare.
5048         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
5049         to unsigned HOST_WIDE_INT *.
5050         (overlap_subvar): Likewise.
5051         * tree-gimple.c (is_gimple_reg): Always return false for
5052         SFTs and memory tags.
5053         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
5054         Update all callers.
5055         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
5056         (compute_may_aliases): Call compute_points_to_sets.
5057         (collect_points_to_info_for): Remove.
5058         (compute_points_to_and_addr_escape): Remove.
5059         (delete_alias_info): Call delete_points_to_sets.
5060         (compute_flow_sensitive_aliasing): If the call to
5061         find_what_p_points_to returns false, call set_pt_anything.
5062         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
5063         (set_pt_anything): Clear pi->pt_vars.
5064         (set_pt_malloc): Remove.
5065         (merge_pointed_to_info): Remove.
5066         (add_pointed_to_expr): Remove.
5067         (add_pointed_to_var): Remove.
5068         (collect_points_to_info_r): Remove.
5069         (is_escape_site): Make extern.
5070         (create_sft): New.
5071         (create_overlap_variables_for): Call it.
5072         * tree-ssa-copy.c (merge_alias_info): Never merge
5073         flow-sensitive alias information.
5074         * tree-ssa-operands.c (get_expr_operands): Adjust variables
5075         offset and size to be unsigned HOST_WIDE_INT.
5076         (add_to_addressable_set): Rename from note_addressable.
5077         Set TREE_ADDRESSABLE as the variables are added to the set.
5078         Update all users.
5079         (add_stmt_operand): Do not try to micro-optimize unmodifiable
5080         operands into VUSEs when adding V_MAY_DEFs for members in an
5081         alias set.
5082         * tree-ssa-operands.h (add_to_addressable_set): Declare.
5083         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
5084         (struct variable_info): Add bitfield is_heap_var.
5085         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
5086         (new_var_info): Initialize is_heap_var.
5087         (get_constraint_for): Add HEAP variables to the symbol table.
5088         Mark them with is_heap_var.
5089         (update_alias_info): New.  Taken mostly from the old
5090         compute_points_to_and_addr_escape.
5091         (handle_ptr_arith): New.
5092         (find_func_aliases): Call update_alias_info.
5093         Call handle_ptr_info for tcc_binary expressions.
5094         Call mark_stmt_modified.
5095         (create_variable_info_for): If DECL has subvars, do not create
5096         variables for its subvars.  Always add all the fields.
5097         (set_uids_in_ptset): If the solution includes ANYOFFSET and
5098         SFTs, then add all the SFTs of the structure.
5099         If VI->DECL is an aggregate with subvariables, add the SFT at
5100         VI->OFFSET.
5101         (find_what_p_points_to): If VI is an artificial variable,
5102         translate to bitfields in SSA_NAME_PTR_INFO.
5103         If the solution is empty, set pi->pt_vars to NULL
5104         (init_base_vars): Create ANYOFFSET.
5105         (compute_points_to_sets): Rename from create_alias_vars.
5106         Make extern.
5107         (pass_build_pta): Remove.
5108         (delete_points_to_sets): Rename from delete_alias_vars.
5109         (pass_del_pta): Remove.
5110         * tree-ssa-structalias.h (struct alias_info): Move from
5111         tree-ssa-alias.h.
5112         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
5113         NUM_REFERENCES_SET): Likewise.
5114         (compute_points_to_sets, delete_points_to_sets): Declare.
5115
5116 2005-07-09  Richard Henderson  <rth@redhat.com>
5117
5118         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
5119         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
5120         alpha_split_lock_test_and_set_12): New functions.
5121         * config/alpha/alpha-protos.h: Update.
5122         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
5123         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
5124         * config/alpha/sync.md (I12MODE): New.
5125         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
5126         (sync_<fetchop_name><I48MODE>): Likewise.
5127         (sync_nand<I48MODE>): Likewise.
5128         (sync_old_<fetchop_name><I48MODE>): Likewise.
5129         (sync_new_<fetchop_name><I48MODE>): Likewise.
5130         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
5131         (sync_compare_and_swap<I48MODE>): Likewise.
5132         (sync_lock_test_and_set<I48MODE>): Likewise.
5133         (sync_compare_and_swap<I12MODE>): New.
5134         (sync_compare_and_swap<I12MODE>_1): New.
5135         (sync_lock_test_and_set<I12MODE>): New.
5136         (sync_lock_test_and_set<I12MODE>_1): New.
5137
5138 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
5139
5140         PR 21356
5141         PR 22332
5142         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
5143
5144 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
5145
5146         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
5147         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
5148
5149 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
5150
5151         PR target/21656
5152         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5153
5154 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
5155
5156         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
5157         memory_operand constraint.
5158         (store_conditional_<mode>): Same.
5159         (sync_compare_and_swap<mode>): Same.
5160         (sync_lock_test_and_set<mode>): Same.
5161
5162 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
5163
5164         Rewrite PIC support to more closely model actual instructions.
5165         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
5166         (cris_symbol): Remove prototypes for removed functions.
5167         (cris_pic_symbol_type_of, cris_valid_pic_const)
5168         (cris_expand_pic_call_address): Prototypes for new functions.
5169         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
5170         variable.
5171         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
5172         modifiers.
5173         <case ':'>: Add case for new punctuation character.
5174         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
5175         emitting (extra) PIC modifier.
5176         <case UNSPEC>: Do not assert for PLT.
5177         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
5178         (cris_expand_prologue, cris_expand_epilogue): Check
5179         for pic_offset_table_rtx usage instead of taking
5180         current_function_uses_pic_offset_table as the final word.
5181         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
5182         Remove flag_pic difference.
5183         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
5184         the moral equivalents of...
5185         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
5186         functions.
5187         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
5188         (cris_handle_option): Mark ARG as unused.
5189         (cris_expand_pic_call_address): New worker function for "call",
5190         "call_value".
5191         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
5192         output PIC constructs here.
5193         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
5194         as symbol-specific modifers, not whole or part of operands.
5195         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
5196         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
5197         constants and flag_pic.
5198         (CONSTANT_INDEX_P): Adjust for new functions.
5199         (enum cris_pic_symbol_type): New helper type.
5200         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
5201         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
5202         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
5203         define_constants.
5204         ("movsi"): Emit actual instructions for GOT and relative access.
5205         ("*movsi_got_load"): New pattern to set up the register holding
5206         the GOT pointer.
5207         ("*movsi_internal"): Operand 1 is not a plain general_operand.
5208         Adjust FIXME for 'S'.
5209         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
5210         Use "movs" for -fpic cases.
5211         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
5212         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
5213         ("call", "call_value"): Just call cris_expand_pic_call_address for
5214         PIC addresses.
5215         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
5216         Remove special pattern.
5217         ("*expanded_call_side", "*expanded_call_value_side"): New
5218         patterns.
5219         (gotplt-to-plt, gotplt-to-plt-side-call)
5220         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
5221         peephole2:s.
5222         * config/cris/cris/predicates.md
5223         ("cris_general_operand_or_gotless_symbol"): Remove unused
5224         predicate.
5225         ("cris_general_operand_or_symbol"): Adjust for new functions.
5226
5227 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5228
5229         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
5230
5231 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
5232
5233         * Makefile.in (TREE_H): Add treestruct.def.
5234         (c-decl.o): Add pointer-set.h
5235         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
5236         visibility on regular DECL's.
5237         (merge_decls): Fix the copying of decl nodes of various types for
5238         the new structures.  Don't update RTL, section name, weak status,
5239         etc, on DECL's without RTL.
5240         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
5241         Don't check volatile on non-variable types.
5242         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
5243         to check whether we have seen arguments.
5244         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
5245         flag is checked before field (flag is common, field is not).
5246         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
5247         TS_DECL_COMMON could have an origin.
5248         (add_location_or_const_value_attribute): Don't check section name
5249         on non-var/function decls.
5250         (dwarf2out_var_location): Reverse order of tests.
5251         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
5252         with DECL_WRTL_CHECK.
5253         * expmed.c (make_tree): rtl is now in decl_with_rtl.
5254         * fold-const.c (fold_binary): Don't check weakness on
5255         non-var/function decls.
5256         (tree_expr_nonzero_p): Ditto.
5257         (fold_checksum_tree): Use tree_decl_extra as sizeof
5258         buffer.
5259         * ggc-page.c (extra_order_size_table): Add sizes for
5260         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
5261         tree_field_decl.
5262         * gimplify.c (gimplify_bind_expr): Only set
5263         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
5264         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
5265         without RTL.
5266         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
5267         * langhooks.h (init_ts). New langhook.
5268         * passes.c (rest_of_decl_compilation): Reverse order of tests.
5269         * print-tree.c (print_node): Update to only print fields that
5270         exist in the structures the passed decl has.
5271         * toplev.c (wrapup_global_declarations): Don't reset
5272         DECL_DEFER_OUTPUT on DECL's that don't contain it.
5273         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
5274         * tree-inline.c (remap_decl): Ditto.
5275         * tree-outof-ssa.c (create_temp): Reverse order of tests.
5276         * tree-pretty-print.c (print_declaration): Don't print
5277         DECL_REGISTER on things that don't contain it.
5278         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
5279         non-var/function decls.
5280         * tree.c (tree_contains_struct): New structure.
5281         (init_priority_for_decl): New hashtable.
5282         (tree_int_map): New structure.
5283         (tree_int_map_eq): New function.
5284         (tree_int_map_marked_p): Ditto.
5285         (tree_int_map_hash): Ditto.
5286         (tree_map): Move to tree.h.
5287         (tree_map_eq): Externalize.
5288         (tree_map_hash): Ditto.
5289         (tree_map_marked_p): Ditto.
5290         (init_ttree): Set up tree_contains_struct and call langhook.
5291         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
5292         (tree_code_size): Update for new structures.
5293         (tree_node_structure): Update for new structures.
5294         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
5295         without the field.
5296         (copy_node_stat):  Copy init priority.
5297         (build_decl_stat): Ditto for visibility.
5298         (ts_enum_names): New.
5299         (tree_contains_struct_check_failed): New function.
5300         (decl_init_priority_lookup): Ditto.
5301         (decl_init_priority_insert): Ditto.
5302         * treestruct.def: New file.
5303         * tree.h (CODE_CONTAINS_STRUCT): New macro.
5304         (CONTAINS_STRUCT_CHECK): Ditto.
5305         (tree_contains_struct_check_failed): New prototype.
5306         (DECL_CHECK): Removed.
5307         (DECL_MINIMAL_CHECK): New.
5308         (DECL_COMMON_CHECK): Ditto.
5309         (DECL_WRTL_CHECK): Ditto.
5310         (DECL_NON_COMMON_CHECK): Ditto.
5311         (DECL_WITH_VIS_CHECK): Ditto.
5312         (VAR_OR_FUNCTION_DECL_P): Ditto
5313         (struct tree_decl_minimal): New structure.
5314         (struct tree_decl_common): Ditto.
5315         (struct tree_decl_with_rtl): Ditto.
5316         (struct tree_decl_with_vis): Ditto.
5317         (struct tree_decl_non_common): Ditto.
5318         (struct tree_field_decl): Ditto.
5319         (struct tree_parm_decl): Ditto.
5320         (struct tree_var_decl): Ditto.
5321         (struct tree_function_decl): Ditto.
5322         (struct tree_const_decl): Ditto.
5323         (struct tree_result_decl): Ditto.
5324         (union tree_node): Add new structures.
5325         * var-tracking.c (track_expr_p): Reverse order of tests.
5326
5327         * doc/c-tree.texi: Add documentation on DECL node internal structure.
5328
5329 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
5330
5331         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
5332         * system.h: Poison FINALIZE_PIC.
5333         * doc/tm.texi (FINALIZE_PIC): Remove.
5334
5335 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5336
5337         PR tree-opt/22329
5338         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
5339         to the correct type if we have a MODIFY_EXPR.
5340
5341 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
5342
5343         PR tree-optimization/22360
5344         * tree.c (upper_bound_in_type): Fix calculations for casting
5345         to a non-wider signed type and casting a signed value to a
5346         wider unsigned type.
5347         (lower_bound_in_type): Fix calculations for casting to a
5348         non-wider signed type.
5349
5350         PR tree-optimization/20139
5351         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
5352         release_defs.
5353         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
5354         fold_cond_expr_cond.
5355         * tree-ssanames.c (release_defs): Assert in_ssa_p.
5356         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
5357
5358 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5359
5360         PR tree-opt/22356
5361         * tree-complex.c (expand_complex_libcall): Produce
5362         REALPART_EXPR/IMAGPART_EXPR with the correct type.
5363
5364 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
5365
5366         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
5367         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
5368         b" assert and inserted fastpath code for this case.
5369         (bitmap_ior): Removed "a != b" assert.
5370
5371 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5372
5373         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
5374         (ENDFILE_SPEC): Likewise.
5375         * config/m32r/m32r.h (ASM_SPEC): Likewise.
5376
5377         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
5378         a large stack frame at epilogue.
5379
5380 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
5381
5382         * final.c: Include sdbout.h when required.
5383
5384 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
5385
5386         * config.gcc (*-*-darwin*): Only one target-specific header file
5387         for generic darwin.
5388         (powerpc-*-darwin*): Add version-specific header files.
5389         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
5390         * config.in: Regenerate.
5391         * configure: Regenerate.
5392         * gcc.c: Include xregex.h.
5393         (version_compare_spec_function): New.
5394         (spec_function): Add version-compare.
5395         (replace_outfile_spec_function): Reformat comment.
5396         (compare_version_strings): New.
5397         * config/darwin-c.c (version_as_macro): New.
5398         (builtin_define): New.
5399         (darwin_cpp_builtins): New.
5400         * config/darwin-protos.h (darwin_cpp_builtins): New.
5401         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
5402         (LIB_SPEC): Make unconditional, update comment.
5403         (TARGET_C99_FUNCTIONS): Define.
5404         * config/darwin.opt: Sort.
5405         (mmacosx-version-min=): New.
5406         * config/darwin7.h: Delete.
5407         * config/darwin8.h: Delete.
5408         * config/i386/darwin.h (): Call darwin_cpp_builtins.
5409         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
5410         (TARGET_C99_FUNCTIONS): Define.
5411         * config/rs6000/darwin7.h: New.
5412         * config/rs6000/darwin8.h: New.
5413         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
5414         (-mmacosx-version-min): Document.
5415
5416 2005-07-07  Ian Lance Taylor  <ian@airs.com>
5417
5418         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
5419
5420 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
5421
5422         PR middle-end/22239
5423         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
5424
5425 2005-07-07  Khem Raj  <kraj@mvista.com>
5426
5427         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
5428         in bytes, not words.
5429
5430 2005-07-07  Paul Brook  <paul@codesourcery.com>
5431
5432         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
5433         DEFAULT_FUNCTION_ARG_PADDING to upward.
5434
5435 2005-07-07  Richard Henderson  <rth@redhat.com>
5436
5437         * function.c (locate_and_pad_parm): Record parameter alignment in
5438         stack_alignment_needed.
5439
5440 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
5441
5442         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
5443         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
5444         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
5445         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
5446         (define_attr "type"): Add isync, sync, load_l, store_c.
5447         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
5448         Create scratch volatile MEM.
5449         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
5450         sync.
5451         (load_locked_<mode>): New.
5452         (store_conditional_<mode>): New.
5453         (sync_compare_and_swap<mode>): Replace with splitter.
5454         (sync_lock_test_and_set<mode>): Replace with splitter.
5455         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
5456         and UNSPECV_ISYNC.
5457         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
5458         is ics.  Attribute isync.
5459         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
5460         lwsync.
5461         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
5462         and UNSPECV_SYNC_OP.
5463         (emit_unlikely_jump): New.
5464         (emit_load_locked): New.
5465         (emit_store_conditional): New.
5466         (rs6000_split_compare_and_swap): New.
5467         (rs6000_split_lock_test_and_set): New.
5468         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
5469         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
5470         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
5471         rs6000_split_lock_test_and_set): Declare.
5472         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
5473         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
5474         store_c, isync, sync.
5475
5476 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
5477
5478         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
5479         filenames to gtyp-gen.h.
5480         (s-typ-gen): Use it in place of for loops.
5481
5482 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
5483
5484         * hooks.c (hook_bool_rtx_int_false): New function.
5485         * hooks.h (hook_bool_rtx_int_false): Declare.
5486         * target-def.h (TARGET_COMMUTATIVE_P): Define.
5487         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
5488         * target.h (struct gcc_target): Add commutative_p member.
5489         * targhooks.c (hook_bool_rtx_commutative_p): New function.
5490         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
5491         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
5492         (pa_commutative_p): New function.
5493         * jump.c (target.h): Include.
5494         (rtx_renumbered_equal_p): Use targetm.commutative_p.
5495         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
5496
5497 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5498
5499         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
5500         (s390_expand_setmem): New.
5501         * config/s390/s390.c: Likewise.
5502         (print_shift_count_operand): Truncate to 12 bits instead of 6.
5503         Adapt comments.
5504         * config/s390/s390.md: ("setmem<mode>"): Accept character as
5505         general_operand.  Call new function "s390_expand_setmem".
5506         ("clrmem_long", "*clrmem_long"): Rewrite to ...
5507         ("setmem_long", "*setmem_long"): ... this.
5508
5509 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5510
5511         * config/s390/s390.c: (optimization_options): Enable
5512         TARGET_MVCLE at -Os.
5513         * doc/invoke.texi: Document changes in default behaviour.
5514         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
5515
5516 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5517
5518         * expr.c: (set_storage_via_setmem): Convert opchar to mode
5519         defined by back-end.
5520
5521 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
5522
5523         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
5524         all sets in the pattern.
5525         * config/rs6000/rs6000.md (stack_protect_testsi,
5526         stack_protect_testdi): Likewise.
5527
5528 2005-07-06  Jeff Law  <law@redhat.com>
5529
5530         * tree-vrp.c (simplify_using_ranges): Kill.
5531         (vrp_finalize): Remove call to simplify_using_ranges.
5532         (simplify_stmt_using_ranges): New function extracted from
5533         simplify_using_ranges.
5534         (simplify_div_or_mod_using_ranges): Likewise.
5535         (simplify_abs_using_ranges): Likewise.
5536         (simplify_cond_using_ranges): New function.
5537         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
5538         * tree-ssa-propagate.c (substitute_and_fold): Call
5539         simplify_stmt_using_ranges if we have range information.
5540
5541 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
5542
5543         * config/ia64/ia64.c (ia64_reorg): Check optimize before
5544         ia64_flag_schedule_isns2.
5545
5546         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
5547         reading/writing general registers.
5548         (ia64_function_arg): Revert 2005-06-18 change.
5549
5550 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
5551
5552         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
5553         (legitimize_tls_address): Use gcc_unreachable instead of abort.
5554
5555 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
5556
5557         * function.c (expand_function_end): Revert part of 2005-06-27
5558         patch.  Do sjlj_emit_function_exit_after after return_label.
5559
5560 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
5561
5562         * doc/install.texi (--disable-libssp): New.
5563
5564 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
5565
5566         * doc/invoke.texi: Update -fforce-mem documentation.
5567         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
5568         code for -fforce-mem.
5569         * expmed.c: (store_bit_field,store_fixed_bit_field,
5570         extract_bit_field): Ditto.
5571         * expr.c: (convert_move): Ditto.
5572         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
5573         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
5574         emit_conditional_add,expand_float,expand_fix): Ditto.
5575         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
5576         (common_handle_option): Issue warning when -fforce-mem specified.
5577
5578 2005-07-06  Paul Brook  <paul@codesourcery.com>
5579
5580         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
5581         argument is empty.
5582         * configure: Regenerate.
5583
5584 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
5585
5586         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
5587
5588 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
5589
5590         Fix PR tree-optimization/22319
5591         Fix PR tree-optimization/22140
5592         Fix PR tree-optimization/22310
5593
5594         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
5595         variable sized types.
5596         Use correct type for intermediate structure on *a = *b structure
5597         copies.
5598
5599 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
5600
5601         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
5602         Remove.
5603         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
5604         (machine_function): Move typedef to...
5605         * config/rs6000/rs6000.c (machine_function): ... here.  Add
5606         varargs_save_offset field.
5607         (rs6000_stack_t): Remove varargs_size field.
5608         (setup_incoming_varargs): Allocate varargs save area using
5609         assign_stack_local, try to make it as small as possible.
5610         Save offset from virtual_stack_vars_rtx to the save area
5611         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
5612         instead of magic 8 when fp word byte size is used.
5613         (rs6000_va_start): Use cfun->machine->varargs_save_offset
5614         instead of -RS6000_VARARGS_SIZE.
5615         (rs6000_stack_info, debug_stack_info,
5616         rs6000_initial_elimination_offset): Remove all traces of
5617         varargs_size.
5618         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
5619         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
5620         RS6000_VARARGS_AREA.
5621
5622 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
5623
5624         PR tree-optimization/21963
5625         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
5626         constant_multiple_of in the same way get_computation_cost_at does.
5627
5628 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
5629
5630         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
5631         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
5632         (gen_compare_reg): If sparc_compare_emitted is set, clear it
5633         and return its previous value.
5634         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
5635         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
5636         constants.
5637         (stack_protect_set, stack_protect_test): New expanders.
5638         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
5639         stack_protect_testdi): New insns.
5640         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5641         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
5642
5643 2005-07-06  Jeff Law  <law@redhat.com>
5644
5645         * tree-ssa-dce.c (cfg_altered): New global.
5646         (tree_dce_init): Initialize cfg_altered.
5647         (remove_dead_stmt): If we remove an edge in the CFG, then set
5648         CFG_ALTERED.
5649         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
5650         the dominators.
5651
5652 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
5653
5654         * Makefile.in (stamp-collect-ld): Use
5655         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
5656         ./collect-ld if it already exists.
5657         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
5658         Don't remove ./nm if it already exists.
5659
5660 2005-07-05  Devang Patel  <dpatel@apple.com>
5661
5662         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
5663         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
5664         * tree-vectorizer.c (vect_loop_location): New.
5665         (vect_print_dump_info): Use vect_loop_location.
5666         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
5667         (vectorize_loops): Set vect_loop_location.
5668         * tree-vect-analyze.c (vect_analyze_offset_expr,
5669         vect_determin_vectorization_factor, vect_analyze_operations,
5670         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
5671         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
5672         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
5673         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
5674         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
5675         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
5676         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
5677         vect_analyze_loop): Adjust vect_print_dump_info API.
5678         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5679         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
5680         vect_finish_stmt_generation, vectorizable_assignment,
5681         vectorizable_operation, vectorizable_store, vectorizable_load,
5682         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
5683         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
5684         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
5685         vect_transform_loop): Same.
5686         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
5687         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
5688         Same.
5689
5690 2005-07-05  Randolph Chung  <tausq@debian.org>
5691
5692         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
5693         * configure: Regenerate.
5694         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
5695         (pa_tls_referenced_p): Declare.
5696         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
5697         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
5698         (legitimize_tls_address): New.
5699         (hppa_legitimize_address): Handle TLS addresses.
5700         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
5701         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5702         (emit_move_sequence): Handle TLS addresses.
5703         (pa_encode_section_info): Call default handler to handle common
5704         sections.
5705         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
5706         (CONSTANT_ADDRESS_P): Reject TLS operands.
5707         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
5708         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
5709         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
5710         (UNSPEC_TLSLE): Define new constants.
5711         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
5712         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
5713         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
5714         (tie_symbolic_operand, tle_symbolic_operand): New
5715
5716 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
5717
5718         * aclocal.m4: Update macros for autoconf 2.59 style.
5719         * configure.ac: Likewise.
5720
5721 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5722
5723         * pa.c (function_value): Handle small aggregates on 32-bit targets.
5724         (function_arg): Pass small aggregates in general registers on 32-bit
5725         targets.
5726         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
5727
5728 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
5729
5730         * Makefile.in (final.o): Fix dependencies.
5731
5732 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
5733
5734         PR c/22013
5735         PR c/22098
5736         * langhooks.h (struct lang_hooks): Add expr_to_decl.
5737         * langhooks.c (lhd_expr_to_decl): New.
5738         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
5739         New.
5740         (LANG_HOOKS_INITIALIZER): Update.
5741         * tree.c (recompute_tree_invarant_for_addr_expr): Call
5742         expr_to_decl langhook.
5743         * c-tree.h (c_expr_to_decl): Declare.
5744         * c-typeck.c (c_expr_to_decl): New.
5745         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
5746         specially.
5747         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
5748
5749 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
5750
5751         PR c/22308
5752         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
5753         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
5754
5755 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
5756
5757         * Makefile.in: Adjust dependencies.
5758         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
5759         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
5760         * alias.c (rest_of_handle_cfg, pass_cfg): New.
5761         * bb-reorder.c (duplicate_computed_gotos): Make it static.
5762         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
5763         rest_of_compilation.
5764
5765         * bb-reorder.c (gate_duplicate_computed_gotos,
5766         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
5767         rest_of_handle_reorder_blocks, pass_reorder_blocks,
5768         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
5769         pass_partition_blocks): New.
5770         * bt-load.c (gate_handle_branch_target_load_optimize,
5771         rest_of_handle_branch_target_load_optimize,
5772         pass_branch_target_load_optimize): New.
5773         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
5774         pass_jump2): New.
5775         * cfglayout.c (pass_insn_locators_initialize): New.
5776         * cfgrtl.c (pass_free_cfg): New.
5777         * combine.c (gate_handle_combine, rest_of_handle_combine,
5778         pass_combine): New.
5779         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
5780         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
5781         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
5782         * except.c (pass_set_nothrow_function_flags,
5783         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
5784         pass_rtl_eh): New.
5785         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
5786         rest_of_handle_shorten_branches, pass_shorten_branches,
5787         rest_of_clean_state, pass_clean_state): New.
5788         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
5789         rest_of_handle_remove_death_notes, pass_remove_death_notes,
5790         rest_of_handle_life, pass_life, rest_of_handle_flow2,
5791         pass_flow2): New.
5792         * function.c (pass_instantiate_virtual_regs, pass_init_function,
5793         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
5794         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
5795         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
5796         pass_gcse): New.
5797         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
5798         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
5799         pass_rtl_ifcvt, gate_handle_if_after_combine,
5800         rest_of_handle_if_after_combine, pass_if_after_combine,
5801         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
5802         pass_if_after_reload): New.
5803         * integrate.c (pass_initial_value_sets): New.
5804         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
5805         pass_purge_lineno_notes): New.
5806         * mode-switching.c (rest_of_handle_mode_switching,
5807         pass_mode_switching): New.
5808         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
5809         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
5810         pass_loop2): New.
5811         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
5812         pass_loop_optimize): New.
5813         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
5814         pass_sms): New.
5815         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
5816         pass_gcse2): New.
5817         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
5818         pass_postreload_cse): New.
5819         * profile.c (gate_handle_profiling, pass_profiling,
5820         rest_of_handle_branch_prob, pass_branch_prob): New.
5821         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
5822         pass_split_before_regstack, gate_handle_split_before_regstack,
5823         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
5824         rest_of_handle_split_all_insns, pass_split_all_insns): New.
5825         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
5826         pass_stack_regs): New.
5827         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
5828         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
5829         pass_stack_adjustments): New.
5830         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
5831         pass_regrename): New.
5832         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
5833         pass_delay_slots, gate_handle_machine_reorg,
5834         rest_of_handle_machine_reorg, pass_machine_reorg): New.
5835         * rtl.h (extern void purge_line_number_notes): New.
5836         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
5837         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
5838         pass_sched2): New.
5839         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
5840         pass_tracer): New.
5841         * value-prof.c (gate_handle_value_profile_transformations,
5842         rest_of_handle_value_profile_transformations,
5843         pass_value_profile_transformations): New.
5844         * var-tracking.c (gate_handle_var_tracking,
5845         pass_variable_tracking): New.
5846         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
5847
5848         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
5849         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
5850         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
5851         rest_of_handle_old_regalloc, rest_of_handle_regrename,
5852         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
5853         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
5854         rest_of_handle_gcse2, rest_of_handle_regmove,
5855         rest_of_handle_tracer, rest_of_handle_if_conversion,
5856         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
5857         rest_of_handle_web, rest_of_handle_branch_prob,
5858         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
5859         rest_of_handle_jump_bypass, rest_of_handle_combine,
5860         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5861         rest_of_handle_gcse, rest_of_handle_loop_optimize,
5862         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
5863         rest_of_handle_mode_switching, rest_of_handle_jump,
5864         rest_of_handle_eh, rest_of_handle_stack_adjustments,
5865         rest_of_handle_flow2, rest_of_handle_jump2,
5866         rest_of_handle_peephole2, rest_of_handle_postreload,
5867         rest_of_handle_shorten_branches, rest_of_clean_state,
5868         rest_of_compilation): Remove.
5869
5870         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
5871         * passes.c (dump_flags, in_gimple_form, all_passes,
5872         all_ipa_passes, all_lowering_passes, register_one_dump_file,
5873         register_dump_files, next_pass_1, last_verified, execute_todo,
5874         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
5875         from tree-optimize.c.
5876         (init_optimization_passes): Moved from tree-optimize.c,
5877         adding the RTL optimizations.
5878         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
5879         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
5880         all_ipa_passes, all_lowering_passes, register_one_dump_file,
5881         register_dump_files, next_pass_1, last_verified, execute_todo,
5882         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
5883         init_tree_optimization_passes, ipa_passes): Delete.
5884         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
5885         the RTL dumps.
5886         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
5887         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
5888         from tree.h.
5889         (ipa_passes): Remove.
5890         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
5891         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
5892         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
5893         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
5894         (dump_info_p, dump_flag): Moved to tree-dump.h.
5895
5896         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
5897         cgraph.c, opts.c.
5898         * passes.c (finish_optimization_passes): Use dump_begin
5899         and dump_end, TDI_end.
5900         (gate_rest_of_compilation): New.
5901         (pass_rest_of_compilation): Use it.
5902         (gate_postreload, pass_postreload): New.
5903         * toplev.c (general_init): Rename init_tree_optimization_passes.
5904         * toplev.h (init_tree_optimization_passes): Rename to
5905         init_optimizations_passes.
5906         * tree-dump.c (dump_flag): Make static.
5907         (dump_files): Remove RTL dumps.
5908         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
5909         pass_cleanup_cfg, pass_free_cfg_annotations,
5910         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
5911         pass_init_datastructures, pass_fixup_cfg): Make non-static.
5912         * tree-pretty-print.c: Include tree-pass.h.
5913         * cgraph.c: Include tree-dump.h.
5914
5915 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
5916
5917         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
5918         Only fall back to saying it points to readonly memory if
5919         we can't do better.
5920
5921 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
5922
5923         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
5924         * config/m32r/m32r.c (m32r_compute_frame_size,
5925         m32r_expand_prologue): Take current_function_profile into
5926         account whenever we reference
5927         current_function_uses_pic_offset_table.
5928         (m32r_finalize_pic): Remove.
5929         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
5930
5931 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
5932
5933         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
5934         instead of $<.  Don't remove ./as if it already exists.
5935
5936 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5937
5938         PR target/21723
5939         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
5940         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
5941         for complex modes when generating code for PA 1.0.
5942         (VALID_FP_MODE_P): New macro.
5943         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
5944         sets for all general and floating point modes.  Align wide floating
5945         point modes to even register boundaries to comply with architectural
5946         requirements.
5947         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
5948         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
5949         (VALID_FP_MODE_P): New macro.
5950         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
5951         sets for all general and floating point modes.  Align wide floating
5952         point modes to even register boundaries to comply with architectural
5953         requirements.
5954
5955 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
5956
5957         * tree-dump.c (dump_files): Initialize dump number for .cgraph
5958         to 0.
5959
5960 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
5961
5962         * tree-ssa-structalias.c: Don't include expr.h.
5963
5964 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
5965
5966         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
5967         comments.
5968
5969 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
5970
5971         Fix PR tree-optimization/22279
5972
5973         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
5974         correct operator.
5975
5976 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
5977
5978         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
5979
5980 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
5981
5982         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
5983         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
5984         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
5985         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
5986         config/stormy16/stormy16.c, config/v850/v850.c,
5987         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
5988         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
5989         Avoid "." or "\n" at end of diagnostics and capital letters at
5990         start of diagnostics.
5991         * combine.c, cse.c: Don't translate dump file output.
5992         * toplev.c (print_version): Only translate output if going to
5993         stderr.
5994
5995 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
5996
5997         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
5998         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
5999         typos.
6000
6001 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6002
6003         * pa.c (fix_range): Fix typo in comment.
6004
6005 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
6006
6007         * tree-vrp.c (extract_range_from_assert): Replace
6008         fold (build (...)) with fold_build2.
6009
6010 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6011
6012         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
6013         gcc_gfc_char_table, init_dynamic_gfc_info): New.
6014         (format_types_orig, handle_format_attribute): Add support for
6015         format "gcc_gfc".
6016
6017 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6018
6019         * varasm.c (assemble_variable): Fix format specifier thinko.
6020
6021 2005-07-03  Ira Rosen  <irar@il.ibm.com>
6022
6023         PR tree-optimization/22029 (and 22135)
6024         * tree-pretty-print.c (dump_generic_node): Check that the node is not
6025         a phi node before calling dump_vops.
6026
6027 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6028
6029         * tree-dump.h (dump_string_field): Declare.
6030         * tree-dump.c: Use it instead of dump_string.
6031         (dump_string_field): Make non-static.
6032
6033 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6034
6035         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
6036         up the minimal CFG stuff always when optimize > 0.  Call
6037         split_all_insns_noflow in PIC case if needed.
6038
6039 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6040             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
6041
6042         PR c++/18279
6043         * c-decl.c (c_write_global_declarations): Dump contents of
6044         external scope to.
6045         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
6046         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
6047         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
6048         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
6049         is enabled.
6050
6051 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
6052
6053         * c-common.h (GCC_DIAG_STYLE): Define.
6054         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
6055         version for format checking to 4.1.
6056         * c-format.c: Include toplev.h after c-common.h.
6057         (enum format_type): Add gcc_tdiag_format_type.
6058         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
6059         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
6060         (format_types_orig): Add gcc_tdiag.
6061         (init_dynamic_diag_info): Support gcc_tdiag formats.
6062         (handle_format_attribute): Likewise.
6063         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
6064         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
6065         version for format checking to 4.1.
6066         (warning0, warning, error, pedwarn, sorry): Use
6067         ATTRIBUTE_GCC_DIAG.
6068         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
6069         (finish_aliases_1): Do not use %qE.
6070         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
6071         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
6072         Correct format bugs.
6073         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
6074         parameter to unsigned HOST_WIDE_INT.
6075         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
6076
6077 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
6078
6079         PR middle-end/21742
6080         * expr.c (write_complex_part): Use adjust_address for MEM.
6081         (read_complex_part): Same.
6082
6083 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
6084
6085         Fix PR tree-optimization/22280
6086
6087         * tree-sra.c (generate_element_init): Remove useless loop.
6088
6089 2005-07-02  Richard Henderson  <rth@redhat.com>
6090
6091         * config/alpha/alpha.c (alpha_legitimize_address): Check for
6092         TLS_MODEL_NONE.
6093         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
6094
6095 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
6096
6097         PR middle-end/14490
6098         * fold-const.c (fold_binary): Handle the return value of
6099         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
6100         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
6101
6102 2005-07-02  Jeff Law  <law@redhat.com>
6103
6104         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
6105         a eliminate type conversion which feeds an equality comparison
6106         if the original type or either operand in the comparison is a
6107         function pointer.
6108
6109 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
6110
6111         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
6112         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
6113         texts.
6114         * config/avr/avr.c: Do not use '`' as left quote.
6115         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
6116         Remove "." from end of diagnostics.  Make diagnostics start with
6117         lowercase letter.
6118
6119 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
6120             Joseph S. Myers  <joseph@codesourcery.com>
6121
6122         * toplev.c (default_tree_printer): Handle setting location with
6123         '+' flag.
6124         * c-objc.common.c (c_tree_printer): Likewise.
6125         * c-format.c (gcc_diag_flag_specs): Add '+'.
6126         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
6127         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
6128         formats.
6129         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
6130         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
6131         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
6132         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
6133         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
6134         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
6135         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
6136         format arguments where %J is used without %D.
6137
6138 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
6139
6140         * gcc.c (LINK_SSP_SPEC): Define.
6141         (link_ssp_spec): New variable.
6142         (LINK_COMMAND_SPEC): Add %(link_ssp).
6143         (static_specs): Add link_ssp_spec.
6144         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
6145         * configure: Rebuilt.
6146         * config.in: Rebuilt.
6147
6148         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6149         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6150         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6151         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6152         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
6153         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
6154         -0x7008(2) instead of reading __stack_chk_guard variable.
6155         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
6156         number.
6157         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
6158         (stack_protect_set, stack_protect_test): Use *_tls* patterns
6159         if TARGET_THREAD_SSP_OFFSET is defined.
6160         (stack_tls_protect_set_si, stack_tls_protect_set_di,
6161         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
6162
6163         Revert:
6164         2005-06-27  Richard Henderson  <rth@redhat.com>
6165         * libgcc-std.ver (GCC_4.1.0): New.
6166         * libgcc.h (__stack_chk_guard): Declare.
6167         (__stack_chk_fail, __stack_chk_fail_local): Declare.
6168         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
6169         * mklibgcc.in (lib2funcs): Add them.
6170
6171 2005-07-01  Richard Henderson  <rth@redhat.com>
6172
6173         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
6174         void * before struct sigcontext *.
6175         (x86_fallback_frame_state): Likewise.
6176
6177 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
6178
6179         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
6180
6181 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
6182
6183         PR tree-opt/22269
6184         * tree-ssa-reassoc.c (should_transpose): Fix which operand
6185         we check for SSA_NAME for.
6186
6187 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
6188
6189         Fix PR tree-optimization/22071
6190
6191         * tree-ssa-structalias.c (offset_overlaps_with_access): New
6192         function.
6193         (get_constraint_for_component_ref): Use it.
6194
6195 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
6196
6197         PR other/22264
6198         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
6199         print out the last new line.
6200
6201 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
6202
6203         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
6204         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
6205         * config/cris/cris.c (cris_conditional_register_usage): Adjust
6206         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
6207         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
6208         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
6209         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
6210         (enum reg_class): New member CC0_REGS.
6211         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
6212         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
6213         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
6214         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
6215         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6216         Adjust for register now described.
6217
6218 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
6219
6220         PR target/22262
6221         * config/i386/i386.md (stack_protect_test_si,
6222         stack_protect_test_di): Add earlyclobber for scratch 3.
6223         * config/rs6000/rs6000.md (stack_protect_testsi,
6224         stack_protect_testdi): Add earlyclobber for scratch 3,
6225         remove earlyclobber from scratch 4.
6226
6227 Older entries for 2005 can be found in ChangeLog-2005.