gcc/ChangeLog

   1 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
   2
   3         * combine.c (make_extraction): Check for valid use of subreg.
   4
   5 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
   6
   7         PR target/24055
   8         * config/i386/i386.md ("*fistdi2_1"): New pattern.
   9         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
  10         ("fist<mode>2_with_temp"): Use only register operands.
  11
  12 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
  13
  14         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
  15         CALL_INSN_FUNCTION_USAGE.
  16
  17 2005-09-26  Richard Guenther  <rguenther@suse.de>
  18
  19         PR middle-end/15855
  20         * gcse.c: Include hashtab.h, define ldst entry hashtable.
  21         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
  22         (ldst_entry): Use the hashtable instead of list-walking.
  23         (find_rtx_in_ldst): Likewise.
  24         (free_ldst_entry): Free the hashtable.
  25         (compute_ld_motion_mems): Create the hashtable.
  26         (trim_ld_motion_mems): Remove entry from hashtable if
  27         removing it from list.
  28         (compute_store_table): Likewise^2.
  29         (store_motion): Free hashtable in case we did not see
  30         any stores.
  31
  32 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
  33
  34         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
  35         and arg1 if we are passing them to fold_build2.
  36
  37 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
  38
  39         PR 23828
  40         * config/i386/i386.c (ix86_function_regparm): Fix the test for
  41         a nested function.
  42
  43 2005-09-25  Richard Henderson  <rth@redhat.com>
  44
  45         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
  46         SYMBOL_REF_TLS_MODEL to be correct.
  47
  48 2005-09-24  Richard Henderson  <rth@redhat.com>
  49
  50         * ipa-type-escape.c (discover_unique_type): Remove dead code at
  51         end of function.  Reindent.
  52
  53 2005-09-24  Ian Lance Taylor  <ian@airs.com>
  54
  55         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
  56         NEGATE_EXPR/BIT_NOT_EXPR case.
  57
  58 2005-09-24  Richard Henderson  <rth@redhat.com>
  59
  60         * c-common.c (handle_mode_attribute): When not modifying in place,
  61         create subtypes for enumerations.
  62         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
  63         * gimplify.c (create_tmp_from_val): Likewise.
  64
  65 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
  66
  67         * config/i386/i386.md (*tls_global_dynamic_64,
  68         *tls_local_dynamic_base_64): Add missing mode to call.
  69         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
  70
  71 2005-09-24  Jan Hubicka  <jh@suse.cz>
  72
  73         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
  74         (cgraph_clone_node): Likewise.
  75         * cgraph.h (cgraph_clone_edge): Update prototype.
  76         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
  77         duplicated prototypes; add updating argument.
  78         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
  79         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
  80         updating profile.
  81         (cgraph_mark_inline_edge): Likewise.
  82         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
  83         (cgraph_flatten_node): Likewise.
  84         (cgraph_decide_recursive_inlining): Likewise.
  85         (cgraph_decide_inlining_of_small_function): Likewise.
  86         * tree-optimize.c (tree_rest_of_compilation): Likewise.
  87
  88 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
  89             Pete Steinmetz <steinmtz@us.ibm.com>
  90
  91         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
  92         (rldic.): Set type to "compare".
  93         (rldicr.): Same.
  94         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
  95         mfjmpr for MFCTR/MFLR.
  96         (movdf_hardfloat64): Same.
  97         (movdf_softfloat64): Same.  Correct order of store and move types.
  98         (movti_string): Set type to store_ux/load_ux.
  99         (load_multiple): Set type to load_ux.
 100         (store_multiple): Set type to store_ux.
 101         (movmemsi): Set type to store_ux.
 102         (output_cbranch direct_return): Set type to jmpreg.
 103         (stmw): Set type to store_ux.
 104         (lmw): Set type to load_ux.
 105         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
 106         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
 107         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
 108         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
 109         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
 110         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
 111         (rios1-fpstore): Increase latency to 3.
 112         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
 113         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
 114
 115 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
 116             Andrew Pinski  <pinskia@physics.uc.edu>
 117
 118         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
 119         operand2 constraint to "b".
 120         (sync_<fetchop_name>di_internal): Same.
 121         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
 122         to "b".
 123         (sync_old_<fetchop_name>di_internal): Same.
 124         (sync_new_<fetchop_name>si_internal): Same.
 125         (sync_new_<fetchop_name>di_internal): Same.
 126
 127 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
 128
 129         PR middle-end/23991
 130         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
 131         case, define as macros.
 132
 133         PR rtl-optimization/23837
 134         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
 135         clobber / clobber match between dest and p->first.
 136
 137         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
 138         (no_conflict_move_test): Update comments.
 139
 140 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
 141
 142         * doc/install.texi: Update URL for Jacks.
 143         * doc/sourcebuild.texi: Likewise.
 144
 145 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
 146
 147         PR target/24007
 148         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
 149         registers when choosing register preferences.
 150         (movdf_hardfloat64): Same.
 151
 152 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
 153
 154         * expmed.c (expand_shift): Don't use the target of the rotate as
 155         target for the first expanded shift insn.
 156         * testsuite/gcc.dg/20050922-1.c: Testcase added.
 157
 158 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
 159
 160         PR tree-optimization/22438
 161         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
 162         preserved iv rhs rewriting specially.
 163
 164 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
 165
 166         * tree-data-ref.c (analyze_array_indexes): Only estimate when
 167         estimate_only  is true.
 168         * tree-flow.h (ref_contains_indirect_ref): New prototype.
 169         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
 170         tree-ssa-structalias.c
 171         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
 172         ref_contains_indirect_ref.
 173         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
 174
 175 2005-09-21  DJ Delorie  <dj@redhat.com>
 176
 177         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
 178         MASK_PTR_A0D0.
 179         (mn10300_return_in_memory): Support variable size types also.
 180         (mn10300_pass_by_reference): Likewise.
 181         (mn10300_function_value): New.
 182         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
 183         (FUNCTION_OUTGOING_VALUE): Likewise.
 184         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
 185         * doc/invoke.texi: Document it.
 186
 187 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
 188
 189         PR target/22585
 190         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
 191         force integer op1 into register for XFmode compares.
 192
 193 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
 194
 195         PR middle-end/23971
 196         * expmed.c (alg_code): Add alg_impossible.
 197         (alg_hash_entry): Add cost.
 198         (synth_mult): Record alg_impossible in the hash table if
 199         multiplication by a given integer is impossble within the
 200         limit.  Speed up using alg_impossible.
 201
 202 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
 203
 204         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
 205         argument.  Allow and set any offset if needs_anyoffset is passed
 206         in.
 207         (get_constraint_for): Add argument here too.
 208         Pass it down.
 209         (do_structure_copy): Pass NULL to get_constraint_for.
 210         (handle_ptr_arith): Ditto.
 211         (find_func_aliases): Ditto.
 212
 213 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
 214
 215         PR rtl-optimization/23898
 216         * output.h (get_attr_min_length): Declare.
 217         * final.c (get_attr_length_1): New function, broken out of:
 218         (get_attr_length).
 219         (get_attr_min_length): New function.
 220         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
 221         (duplicate_computed_gotos): Likewise.
 222         * genattr.c (insn_min_length): Generate declaration.
 223         * genattrtab.c (min_fn, min_attr_value): New functions.
 224         (make_length_attrs): Generate insn_min_length.
 225
 226 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
 227
 228         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
 229
 230 2005-09-20  Richard Henderson  <rth@redhat.com>
 231
 232         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
 233         EXPAND_STACK_PARM.
 234
 235 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
 236
 237         * c.opt (fextended-identifiers): New.
 238         * c-opts.c (c_common_handle_option): Handle
 239         -fextended-identifiers.
 240         * doc/cpp.texi: Update documentation of extended identifiers.
 241         * doc/cppopts.texi (-fextended-identifiers): Document.
 242
 243 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
 244
 245         PR tree-optimization/23929
 246         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
 247         if expr is NULL.
 248
 249         PR tree-optimization/23818
 250         * tree-stdarg.c (execute_optimize_stdarg): Call
 251         calculate_dominance_info.
 252
 253 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
 254
 255         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
 256         (analyze_siv_subscript_cst_affine): Add weak SIV test.
 257         (compute_overlap_steps_for_affine_1_2): Use
 258         get_number_of_iters_for_loop.
 259         (analyze_subscript_affine_affine): Check whether difference is
 260         zero first.
 261         Use get_number_of_iters_for_loop.
 262         Check whether overlap occurs outside of bounds.
 263         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
 264
 265 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
 266
 267         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
 268         base register if possible.
 269
 270 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
 271
 272         PR tree-optimization/18463
 273         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
 274         converting it directly is not possible.
 275         (chrec_convert_aggressive): New function.
 276         * tree-chrec.h (chrec_convert_aggressive): Declare.
 277         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
 278         Fold chrec conversions aggressively if asked to.
 279         (instantiate_parameters): Modified because of changes in
 280         instantiate_parameters_1.
 281
 282 2005-09-19  Richard Henderson  <rth@redhat.com>
 283
 284         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
 285         (reduc_splus_v2df): New.
 286
 287 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
 288
 289         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
 290         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
 291
 292 2005-09-19  Richard Henderson  <rth@redhat.com>
 293
 294         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
 295         vcondu<SSEMODE12>.
 296
 297 2005-09-19  Richard Henderson  <rth@redhat.com>
 298
 299         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
 300         (ia64_expand_dot_prod_v8qi): New.
 301         * config/ia64/ia64-protos.h: Update.
 302         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
 303         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
 304         sdot_prodv8qi, sdot_prodv4hi): New.
 305         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
 306
 307 2005-09-19  Richard Henderson  <rth@redhat.com>
 308
 309         PR 23941
 310         * real.c (exact_real_truncate): Return false if the format cannot
 311         represent the number as a normal.
 312
 313         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
 314         for a memory source.
 315
 316 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
 317
 318         * tree-ssa-operands.c (swap_tree_operands): Export.
 319         * tree.h (swap_tree_operands): Declare.
 320         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
 321         Call swap_tree_operands.
 322
 323 2005-09-19  Richard Henderson  <rth@redhat.com>
 324
 325         * tree-flow.h (merge_alias_info): Declare.
 326         * tree-ssa-copy.c (merge_alias_info): Export.
 327         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
 328         (vect_create_data_ref_ptr): Use create_iv directly.
 329         (vectorizable_load): Use correct types for integer constants.
 330         (vect_generate_tmps_on_preheader): Likewise.
 331         (vect_gen_niters_for_prolog_loop): Likewise.
 332
 333 2005-09-19  Steven Bosscher  <stevenb@suse.de>
 334
 335         PR rtl-optimization/23943
 336         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
 337
 338 2005-09-18  Jan Hubicka  <jh@suse.cz>
 339
 340         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
 341
 342 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
 343
 344         * varasm.c (output_constant): Do not abort on conversions to union
 345         types between different sizes.
 346
 347 2005-09-18  Richard Guenther  <rguenther@suse.de>
 348
 349         PR middle-end/23944
 350         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
 351         fallback.
 352
 353 2005-09-18  Paul Brook  <paul@codesourcery.com>
 354
 355         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
 356
 357 2005-09-17  Richard Henderson  <rth@redhat.com>
 358
 359         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
 360         * tree-ssa-loop.c (pass_vect_dce): Remove.
 361         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
 362         of pass_vectorize.
 363
 364 2005-09-17  Richard Henderson  <rth@redhat.com>
 365
 366         * tree-pass.h (pass_vect_dce): Declare.
 367         * passes.c (init_optimization_passes): Add it.
 368         * tree-flow.h (tree_ssa_dce): Declare.
 369         * tree-ssa-dce.c (tree_ssa_dce): Export.
 370         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
 371         (gate_tree_vectorize): ... here.
 372         (pass_vect_dce): New.
 373
 374 2005-09-17  Jan Hubicka  <jh@suse.cz>
 375
 376         * except.c (struct eh_status): Turn region_array into vec.
 377         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
 378         convert_from_eh_region_ranges, find_exception_handler_labels,
 379         current_function_has_exception_handlers, assign_filter_values,
 380         build_post_landing_pads, dw2_build_landing_pads,
 381         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
 382         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
 383         foreach_reachable_handler, can_throw_internal_1,
 384         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
 385         region_array.
 386         (duplicate_eh_region_1): Update region_array.
 387         (duplicate_eh_regions): Resize region_array and avoid recomputing.
 388
 389 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
 390
 391         PR middle-end/22067
 392         * expmed.c (expand_mult): Substitute simple register for op0 when
 393         computing max_cost.
 394
 395 2005-09-17  Richard Henderson  <rth@redhat.com>
 396
 397         * expr.c (emit_move_via_integer): Add force argument, pass it on
 398         to emit_move_change_mode.  Update callers.
 399         (emit_move_complex): Pass true to new force argument.
 400         * function.c (expand_function_end): Move expand_eh_return call
 401         earlier.  Merge sub-word complex values into a pseudo before
 402         copying to the return hard register.
 403
 404 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
 405
 406         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
 407         between different sizes.
 408
 409 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
 410
 411         PR 23903
 412
 413         * passes.c (init_optimization_passes): Register dump files for
 414         IPA passes first.
 415
 416 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
 417
 418         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
 419         * config/s390/s390.c (s390_overlap_p): New function.
 420         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
 421         peephole2, "*xc" peephole2): Added overlap check to the peephole2
 422         condition.
 423
 424 2005-09-16  Richard Guenther  <rguenther@suse.de>
 425
 426         * ipa-pure-const.c (static_execute): Free auxiliar information.
 427         * ipa-type-escape.c (discover_unique_type): Free temporary key.
 428         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
 429
 430 2005-09-15  DJ Delorie  <dj@redhat.com>
 431
 432         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
 433
 434 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
 435
 436         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
 437         to order operands.
 438         (swap_commutative_operands_with_target): New.
 439
 440 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
 441
 442         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
 443         parameter.
 444         Update callers.
 445         (estimate_iters_using_array): New function.
 446         * tree-data-ref.h (estimate_iters_using_array): Prototype
 447         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
 448         Use estimate_iters_using_array instead of analyze_array.
 449
 450 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
 451
 452         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
 453         as addressable.
 454
 455 2005-09-15  Michael Matz  <matz@suse.de>
 456
 457         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
 458
 459 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
 460
 461         PR tree-optimization/23835
 462         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
 463         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
 464
 465 2005-09-14  Richard Henderson  <rth@redhat.com>
 466
 467         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
 468         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
 469
 470 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
 471
 472         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
 473         in the ARRAY_TYPE case.
 474
 475 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
 476
 477         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
 478
 479 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
 480
 481         PR middle-end/22480
 482         * tree-vect-transform.c (vectorizable_operation): Return false for
 483         scalar shift operations and for vector shift operations with
 484         non-invariant shift arguments.  Use scalar tree operand op1 as
 485         a shift operand when vector shift insn pattern uses scalar shift
 486         operand.
 487         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
 488
 489 2005-09-14  Olivier Hainque  <hainque@adacore.com>
 490
 491         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
 492         value if it has side-effects.
 493
 494 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
 495
 496         PR target/22068
 497         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
 498
 499 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
 500
 501         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
 502         passed as NAME as if it were label at start of function code.
 503
 504 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
 505
 506         * config/sh/sh.md (*movv4sf_i): Add general register cases to
 507         the constraints.
 508
 509 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
 510
 511         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
 512         as early clobber.  Rewrite so the PIC register is not implicitly used.
 513
 514 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 515
 516         * tree.c (annotate_with_file_line): Compare line numbers before
 517         file names.
 518
 519 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
 520
 521         PR target/23816
 522         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
 523         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
 524
 525 2005-09-13  Ian Lance Taylor  <ian@airs.com>
 526
 527         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
 528         than a HOST_WIDEST_INT to gen_doloop_begin.
 529
 530 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
 531
 532         * tree-dfa.c (dump_variable): Guard against NULL annotations.
 533
 534 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
 535
 536         PR tree-optimize/23817
 537         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
 538
 539 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
 540
 541         PR target/23774
 542         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
 543         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
 544         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
 545         (restore_stack_nonlocal): Likewise.
 546         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
 547
 548 2005-09-12  Ian Lance Taylor  <ian@airs.com>
 549
 550         PR g++/7874
 551         * c.opt (ffriend-injection): New C++ option.
 552         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
 553         (C++ Dialect Options): Document -ffriend-injection.
 554
 555 2005-09-12  Josh Conner  <jconner@apple.com>
 556
 557         PR middle-end/23237
 558         * ipa-reference.c (static_execute): Don't mark variables in
 559         named sections TREE_READONLY.
 560
 561 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
 562
 563         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
 564         stack_tie.
 565
 566 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
 567
 568         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
 569         V_MUST_DEF instead of just the first_use_p.
 570         Don't mark the virtual variables for renaming on the statement which
 571         is being removed.
 572         (pass_dse): Remove TODO_update_ssa.
 573
 574 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
 575
 576         PR middle-end/23290
 577         * stor-layout.c (compute_record_mode): For records with a single
 578         field, actually check the field's mode size against the type size.
 579
 580         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
 581         registers for TARGET_SHMEDIA.
 582         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
 583         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
 584         of GENERAL_REGS and FP_REGS.
 585
 586 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
 587
 588         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
 589
 590 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
 591
 592         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
 593         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
 594         are omitted.  Exclude stack_tie insn too.
 595
 596 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
 597
 598         PR rtl-optimization/23098
 599         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
 600         0.0f is easy.
 601         * config/rs6000/rs6000.md (movdf splitter): Use
 602         const_double_operand predicate for TARGET_POWERPC64.
 603         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
 604         SYMBOL_REF method to ABI_V4.
 605
 606         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
 607         replace_equiv_address.
 608         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
 609         rs6000_sr_alias_set and MEM_NOTRAP.
 610         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
 611
 612 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
 613
 614         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
 615         handle CALL_EXPR again.
 616
 617 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
 618
 619         * arm/predicates.md (alignable_memory_operand): Delete.
 620
 621 2005-09-10  Richard Henderson  <rth@redhat.com>
 622
 623         PR debug/23806
 624         * dbxout.c (dbxout_expand_expr): New.
 625         (dbxout_symbol): Use it.
 626
 627 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
 628
 629         * arm.c (arm_gen_rotated_half_load): Delete.
 630         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
 631         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
 632         (thumb_set_return_address): Likewise.
 633         (thumb_load_double_from_address): Use adjust_address.
 634         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
 635         (extendhsisi2_mem, movhi_bytes): Use change_address.
 636         (movhi): Use widen_memory_access.
 637         (reload_out_df): Use replace_equiv_address.
 638         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
 639
 640 2005-09-09  Richard Henderson  <rth@redhat.com>
 641
 642         PR debug/20998
 643         * dbxout.c: Include expr.h.
 644         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
 645         (dbxout_symbol): Handle DECL_VALUE_EXPR.
 646         * Makefile.in (dbxout.o): Add EXPR_H.
 647
 648 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
 649
 650         PR tree-optimization/23509
 651         * tree-cfg.c (replace_uses_by): Use replace_exp.
 652         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
 653         pointers have name_mem_tag or type_mem_tag set.
 654
 655 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
 656
 657         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
 658         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
 659         of wrongly accessing operands.
 660
 661 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
 662
 663         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
 664         * tree-chrec.c: Include tree-scalar-evolution.h.
 665         (chrec_convert): Instantiate the base and step before calling
 666         scev_probably_wraps_p that would fail on parametric evolutions.
 667         Collect all the fails into a single section failed_to_convert,
 668         print a diagnostic, and return chrec_dont_know instead of calling
 669         fold_convert.
 670         * tree-scalar-evolution.c (loop_closed_phi_def): New.
 671         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
 672         phi nodes.
 673         (scev_const_prop): Don't replace the definition of a loop closed ssa
 674         phi node by itself, or by another loop closed ssa phi node.
 675         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
 676         that base and step are defined.
 677
 678 2005-09-09  Richard Guenther  <rguenther@suse.de>
 679
 680         PR c++/23624
 681         * fold-const.c (fold_ternary): Check truth_value_p before
 682         calling invert_truthvalue.
 683
 684 2005-09-09  Nick Clifton  <nickc@redhat.com>
 685
 686         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
 687         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
 688         dimension of these arrays.
 689         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
 690         these arrays.
 691         * longlong.h: Only provide a prototype for the __clz_tab[] array
 692         if this header has not been included from libgcc2.h.
 693         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
 694         defining own types.
 695         Provide prototypes for exported functions.
 696         Use the __clz_tab[] and __popcount_tab[] arrays provided by
 697         libgcc2.c.
 698
 699 2005-09-08  Josh Conner  <jconner@apple.com>
 700
 701         PR c++/21135
 702         PR c++/23180
 703         * expr.c (expand_expr_addr_expr_1): Don't invoke
 704         expand_simple_binop for EXPAND_INITIALIZER.
 705
 706 2005-09-08  Richard Henderson  <rth@redhat.com>
 707
 708         PR debug/23190
 709         * toplev.c (wrapup_global_declaration_1): Split out ...
 710         (wrapup_global_declaration_2): ... from ...
 711         (wrapup_global_declarations): ... here.  Return bool.
 712         (check_global_declaration_1): Split out ...
 713         (check_global_declarations): from here.
 714         (emit_debug_global_declarations): New.
 715         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
 716         check_global_declaration_1, emit_debug_global_declarations): Declare.
 717         * c-decl.c (c_write_global_declarations_1): Don't create a vector
 718         of decls.  Call wrapup_global_declaration_1,
 719         wrapup_global_declaration_2, check_global_declaration_1 directly.
 720         (c_write_global_declarations_2): New.
 721         (ext_block): New.
 722         (c_write_global_declarations): Call c_write_global_declarations_2.
 723         * langhooks.c (write_global_declarations): Call
 724         emit_debug_global_declarations.
 725
 726         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
 727         remove decls that have DECL_RTL_SET_P.
 728         * passes.c (rest_of_decl_compilation): Invoke
 729         cgraph_varpool_finalize_decl for all but functions.
 730
 731 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
 732
 733         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
 734         the result of a conversion if the new min and max cannot be compared.
 735
 736 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
 737
 738         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
 739         (override_options): Setting s390_sr_alias_set removed.
 740         (save_fpr, save_gprs): Set alias set to vararg or frame.
 741         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
 742         s390_sr_alias_set with get_frame_alias_set ().
 743         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
 744         get_varargs_alias_set ().
 745
 746 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
 747
 748         PR objc/20574
 749         PR objc/19324
 750         * c-parser.c (c_parser_objc_method_definition): If the next
 751         token is not "{", error out and don't start the function.
 752
 753 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
 754
 755         * tree-vrp.c (extract_range_from_expr): Move the check for non
 756         nullness after the check for gimple invariant.
 757
 758 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 759
 760         * tree.c (host_integerp, tree_low_cst): Correct function comment.
 761
 762 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
 763
 764         PR target/23747
 765         * config/m32r.md (movmemsi_internal): Canonicalize order of
 766         operands in PLUS component of template.
 767
 768 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
 769
 770         * reload1.c (fixup_eh_region_note): Remove assertion.
 771         (fixup_abnormal_edges): Reverted removal of call to
 772         find_many_sub_basic_blocks made on 2005-08-31.
 773
 774 2005-09-07  Richard Henderson  <rth@redhat.com>
 775
 776         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
 777         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
 778         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
 779         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
 780         rearrange for better packing.
 781         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
 782         (lookup_cfa_1): Remove inline marker.
 783         (cfa_equal_p): Split out of ...
 784         (def_cfa_1): ... here.  Use INVALID_REGNUM.
 785         (build_cfa_loc): Handle !cfa->indirect.
 786         (frame_pointer_cfa_offset): New.
 787         (dbx_reg_number): Assert register elimination performed; do
 788         leaf register remapping.
 789         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
 790         (eliminate_reg_to_offset): New.
 791         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
 792         for verifiably local stack frame addresses; re-base to CFA.
 793         (mem_loc_descriptor): Remove can_use_fbreg argument.
 794         (concat_loc_descriptor, loc_descriptor): Likewise.
 795         (containing_function_has_frame_base): Remove.
 796         (rtl_for_decl_location): Don't do register elimination or
 797         leaf register remapping here.
 798         (secname_for_decl): Split out from ..
 799         (add_location_or_const_value_attribute): ... here.
 800         (convert_cfa_to_loc_list): New.
 801         (compute_frame_pointer_to_cfa_displacement): New.
 802         (gen_subprogram_die): Use them.
 803         * tree.h (frame_base_decl): Remove.
 804         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
 805         (prologue_stack_adjust): Remove.
 806         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
 807         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
 808         (set_frame_base_location): Remove.
 809         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
 810         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
 811         (vt_add_function_parameters): Don't eliminate_regs.
 812         (vt_initialize): Don't create frame_base_decl.
 813
 814 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
 815
 816         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
 817         version of GNU binutils for 4.x and later.
 818
 819 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
 820
 821         * ggc-page.c (ggc_push_context): Remove.
 822         (ggc_pop_context): Likewise.
 823         * ggc.h (ggc_push_context): Remove.
 824         (ggc_pop_context): Likewise.
 825
 826 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
 827
 828         PR target/8973
 829         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
 830         returning from an interrupt handler.
 831
 832 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
 833
 834         PR target/8972
 835         * config/arc/arc.c (output_shift): Add check for loop count when
 836         optimizing.
 837
 838 2005-09-06  Steven Bosscher  <stevenb@suse.de>
 839
 840         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
 841         form manually.
 842         (abs_replacement): Likewise.
 843         (pass_phiopt): Remove TODO_update_ssa.
 844
 845 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
 846
 847         PR c/23075
 848         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
 849         if "return with no value, in function returning non-void" warning
 850         has been issued.
 851         * tree-cfg.c (execute_warn_function_return): Don't look at
 852         RETURN_EXPRs with TREE_NO_WARNING set.
 853
 854         PR target/22362
 855         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
 856         for internal functions doesn't use registers used by global registers
 857         variables.  Use fewer register parameters if there are global register
 858         variables.
 859
 860 2005-09-06  Olivier Hainque  <hainque@adacore.com>
 861             Eric Botcazou  <ebotcazou@adacore.com>
 862
 863         PR middle-end/14997
 864         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
 865         when we would be extracting outside its bit span (bitpos+bitsize
 866         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
 867         Ada unchecked conversions.
 868
 869 2005-09-06  Steven Bosscher  <stevenb@suse.de>
 870
 871         * tree-ssa-pre.c (try_look_through_load): New function.
 872         (compute_avail): Use it to try to look through loads for some
 873         more useful expressions.
 874
 875 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
 876
 877         * simplify-rtx.c (simplify_binary_operation_1): Correct the
 878         condition for detecting cases like (a&a) and (a^a).
 879
 880 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
 881
 882         * common.opt: Add option ftree-vect-loop-version.
 883         * params.def: Add --param vect-max-version-checks.
 884         * doc/invoke.texi: Document ftree-vect-loop-version and
 885         --param vect-max-version-checks.
 886         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
 887         may_misalign_stmts and defines for accessors.
 888         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
 889         LOOP_VINFO_MAY_MISALIGN_STMTS.
 890         (destroy_loop_vec_info): VEC_free for
 891         LOOP_VINFO_MAY_MISALIGN_STMTS.
 892         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
 893         Update documentation.
 894         (vect_update_misalignment_for_peel): New.
 895         (vect_enhance_data_refs_alignment): Update to choose loop
 896         peeling or loop versioning if appropriate for the (potentially)
 897         unaligned data references in the loop.
 898         (vect_analyze_data_refs_alignment): Remove call to
 899         vect_enhance_data_refs_alignment so the checks can be done
 900         earlier.
 901         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
 902         and move up call to vect_analyze_data_refs_alignment.
 903         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
 904         (vect_transform_loop): Add call to loop_version.
 905
 906 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
 907
 908         PR rtl-optimization/23098
 909         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
 910         * simplify-rtx.c (constant_pool_reference_p): New function.
 911         * rtl.h (constant_pool_reference_p): New prototype.
 912         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
 913         constant_pool_reference_p in condition and
 914         avoid_constant_pool_reference in preparation statements.
 915
 916 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
 917
 918         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
 919         STRICT_LOW_PART SETs.
 920
 921 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
 922
 923         PR middle-end/21460
 924         * except.c (sjlj_emit_function_enter): Find the function begin
 925         note even when it's not in first basic block.
 926
 927 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
 928
 929         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
 930         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
 931         * aclocal.m4: Regenerate.
 932
 933 2005-09-05  DJ Delorie  <dj@redhat.com>
 934
 935         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
 936         of macro.
 937
 938 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
 939
 940         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
 941         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
 942         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
 943         Follow spelling conventions.
 944         * doc/invoke.texi: Follow spelling conventions.
 945
 946 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
 947
 948         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
 949         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
 950         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
 951
 952 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
 953
 954         PR target/23683
 955         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
 956         (output_stack_adjust): Use gen_tmp_stack_mem.
 957         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
 958         (sh_set_return_address, sh_allocate_initial_value): Likewise.
 959         (sh_get_pr_initial_val): Likewise.
 960         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
 961         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
 962         * sh.md (divsi_inv_m0): Use gen_const_mem.
 963         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
 964         (movdf_i4+1): Use gen_tmp_stack_mem.
 965         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
 966         (fpu_switch+2): Likewise.
 967         (movv4sf_i, movv16sf_i): Use adjust_address.
 968         (symGOT_load): Set MEM_NOTRAP_P bit.
 969
 970 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 971
 972         PR target/23721
 973         * pa.c (emit_move_sequence): Fix typo in last change.
 974
 975 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
 976
 977         PR rtl-optimization/23454
 978         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
 979         is true.
 980
 981 2005-09-03  Richard Henderson  <rth@redhat.com>
 982             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 983
 984         PR middle-end/23671
 985         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
 986         gen_rtx_MEM.
 987
 988 2005-09-02  Nicolas Pitre <nico@cam.org>
 989
 990         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
 991         to bit_count to 32 bits.
 992
 993 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
 994
 995         PR c++/23167
 996         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
 997         generating synthetic loads from volatile lvalues.
 998
 999 005-09-02  Nick Clifton  <nickc@redhat.com>
1000
1001         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
1002         __ctzhi2, __clzhi2): New functions.
1003
1004 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
1005
1006         PR middle-end/23547
1007         * tree-nested.c (struct var_map_elt): Mark with GTY.
1008         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
1009         var_map_elt.
1010         (lookup_field_for_decl): Allocate new element in GC memory.
1011         (lookup_tramp_for_decl): Likewise.
1012         (convert_nl_goto_reference): Likewise
1013         (create_nesting_tree): Allocate info in GC memory. Likewise for
1014         info->var_map.
1015         (free_nesting_tree): Free with ggc_free instead of free.
1016         (root): New static variable.
1017         (lower_nested_functions): Remove root as local variable.  And zero out
1018         root at the end of the function.
1019
1020 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
1021
1022         PR rtl-optimization/20365
1023         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
1024         to short.  New member ix.
1025         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
1026         (simplify_plus_minus): Initialize ix members before calling qsort.
1027
1028 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
1029
1030         PR tree-optimization/23626
1031         * tree-cfg.c (replace_uses_by): Clean up eh info.
1032
1033 2005-09-01  DJ Delorie  <dj@redhat.com>
1034
1035         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
1036         fprintf.
1037
1038 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
1039
1040         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
1041         (rs6000_split_multireg_move): Use replace_equiv_address instead of
1042         gen_rtx_MEM.
1043
1044 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
1045
1046         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
1047         do not issue warning for a variable definition following
1048         a declaration.
1049
1050 2005-09-01  Richard Henderson  <rth@redhat.com>
1051
1052         PR 23668
1053         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
1054         conversion to CONST_VECTOR.
1055
1056 2005-09-01  Richard Henderson  <rth@redhat.com>
1057
1058         PR 23676
1059         * reload1.c (reload_as_needed): Check !CALL_P before calling
1060         fixup_eh_region_note.
1061         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
1062
1063 2005-09-01  DJ Delorie  <dj@redhat.com>
1064
1065         * varasm.c (output_constant): Let the target resolve
1066         conversions of addresses to non-default pointer sizes.
1067
1068 2005-09-01  Nicolas Pitre <nico@cam.org>
1069
1070         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
1071         to alow matching ARM pre-indexed addressing mode.
1072         (arm_override_options): Remove now irrelevant comment.
1073
1074 2005-09-01  Phil Edwards  <phil@codesourcery.com>
1075
1076         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
1077         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
1078         * config/i386/vxworks.h:  Likewise.
1079         * config/i386/t-vxworksae:  New file, for VxWorks AE.
1080         * config/i386/vxworksae.h:  Likewise.
1081
1082 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
1083
1084         PR tree-optimization/23410
1085         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
1086         sequence is not wrapping during the first step.
1087
1088 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
1089
1090         PR debug/7241
1091         * dwarf2out.c (base_type_die): Compare char_type_node with
1092         TYPE_MAIN_VARIANT (type), not type.
1093
1094 2005-09-01  Richard Guenther  <rguenther@suse.de>
1095
1096         PR tree-optimization/15366
1097         * common.opt: Add -finline-functions-called-once.
1098         Put -fearly-inlining in alphabetically ordered place.
1099         * doc/invoke.texi: Document new option.
1100         * ipa-inline.c (cgraph_decide_inlining): Honour
1101         flag_inline_functions_called_once.
1102
1103 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
1104
1105         PR rtl-optimization/23478
1106         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
1107         (alloc_qty): Initialize it.
1108         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
1109         (combine_regs): Combine also n_throwing_calls_crossed fields.
1110         (find_free_reg): Don't attempt to caller-save pseudos crossing
1111         calls that might throw.
1112         * global.c (struct allocno): Add throwing_calls_crossed field.
1113         (global_alloc): Revert 2005-08-22 change.  Initialize
1114         throwing_calls_crossed.
1115         (find_reg): Don't attempt to caller-save pseudos crossing calls that
1116         might throw.
1117
1118 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
1119
1120         PR target/23649
1121         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
1122         (mask64_operand): Reinstate code prior to 2005-06-11 change.
1123         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
1124         (and64_2_operand): Tweak to use predicate.
1125         (and_operand): Adjust for mask_operand changes.
1126         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
1127         (print_operand): Likewise.
1128         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
1129         (mask64_1or2_operand): Delete.
1130         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
1131         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
1132         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
1133         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
1134         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
1135         (rotldi3_internal4): Likewise.
1136         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
1137         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
1138         (ashldi3_internal7): Likewise.
1139         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
1140         (ashldi3_internal, ashldi3_internal9 split): Likewise.
1141         (anddi3 split): Don't match mask64_operand.
1142         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
1143         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
1144         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
1145         't' splitter predicate.
1146         (movdi_internal64 + 2): Revert 2005-06-11 change.
1147
1148 2005-08-31  DJ Delorie  <dj@redhat.com>
1149
1150         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
1151         (m32c_asm_integer): Add support for 32 bit pointers.
1152
1153 2005-08-31  Richard Henderson  <rth@redhat.com>
1154
1155         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
1156         component-like references for setting MEM_NOTRAP_P.
1157
1158         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
1159         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
1160
1161 2005-08-31  Richard Henderson  <rth@redhat.com>
1162
1163         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
1164         into a pseudo before applying gen_lowpart.
1165
1166 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
1167
1168         * doc/install.texi (Specific): Update cctools version required
1169         for full functionality.
1170         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
1171         linkers as -macosx_version_min.
1172
1173 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
1174
1175         PR target/21255
1176         * sh.c (print_operand, %R and %S): Add handling of floating point
1177         registers, memory, constants and invalid operands.
1178
1179 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
1180
1181         * ipa-pure-const.c: Change dump name.
1182
1183 2005-08-31 Uros Bizjak <uros@kss-loka.si>
1184
1185         PR target/23570
1186         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
1187         to "reg_or_0_operand".
1188         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
1189
1190 2005-08-31  Dale Johannesen  <dalej@apple.com>
1191
1192         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
1193         loops that count down.
1194
1195 2005-08-31  Richard Henderson  <rth@redhat.com>
1196
1197         PR rtl-opt/23601
1198         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
1199         (fixup_eh_region_note): New.
1200         (reload_as_needed): Call it.
1201         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
1202         don't call find_many_sub_basic_blocks; call verify_flow_info.
1203         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
1204         (keep_stack_depressed): Likewise.
1205         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
1206
1207 2005-08-31  Richard Henderson  <rth@redhat.com>
1208
1209         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
1210         fp return matching.
1211
1212 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
1213
1214         * expr.c (expand_expr_real_1): Compare size of address
1215         mode to target's address mode size in deciding expansion of
1216         the constant address.
1217
1218 2005-08-31  Richard Guenther  <rguenther@suse.de>
1219
1220         PR middle-end/23477
1221         * expr.c (all_zeros_p): New function.
1222         (expand_expr_real_1): Handle the case of an all-zero
1223         non-addressable constructor separately.
1224
1225 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
1226
1227         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
1228         arguments, adjust all callers.
1229         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
1230
1231 2005-08-30  Richard Henderson  <rth@redhat.com>
1232
1233         PR target/23630
1234         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
1235         whenever the mode sizes match.
1236
1237 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
1238
1239         * calls.c (load_register_parameters): Fix comment typo.
1240         * expr.c (emit_push_insn): Comment formatting.
1241
1242 2005-08-30  Ian Lance Taylor  <ian@airs.com>
1243
1244         * config/i386/x-cygwin (host-cygwin): Change dependency from
1245         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
1246
1247 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
1248
1249         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
1250         parts of 'vals'.
1251
1252 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
1253
1254         PR middle-end/23408
1255         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
1256         call to ggc_collect.
1257
1258 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
1259
1260         PR bootstrap/21268
1261         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
1262         beginning.  Remove $(INCLUDES) from all the rules, if following
1263         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
1264
1265 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
1266
1267         PR middle-end/23484
1268         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
1269         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
1270         not constant, but maxlen is, don't set len to maxlen, rather
1271         set maxlen to len if len is a constant.
1272
1273 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
1274
1275         PR tree-optimization/23475
1276         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
1277         and counts.
1278
1279 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
1280
1281         Fix PR middle-end/22455
1282
1283         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
1284         Checksum only the parts of the tree that exist for the tree code.
1285
1286 2005-08-28  Dale Johannesen  <dalej@apple.com>
1287
1288         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
1289
1290 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
1291
1292         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1293
1294 2005-08-28  Richard Henderson  <rth@redhat.com>
1295
1296         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1297         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1298         of char_type_node.
1299
1300 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
1301
1302         PR ada/23593
1303         * builtins.c (get_memory_rtx): Don't strip nops
1304         in between COMPONENT_REFs.
1305
1306 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
1307
1308         PR middle-end/23463
1309         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
1310         types.
1311         (gimplify_modify_expr): Check for zero sized types and gimplify the
1312         rhs and lhs as statements.
1313
1314 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
1315
1316         PR libgcj/23508
1317         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
1318         state for return address column of signal frames.
1319
1320 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
1321
1322         PR target/23539
1323         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
1324         bytes >= 2 not bytes == 2.
1325         (expand_block_move): Same.
1326
1327 2005-08-27  Richard Guenther  <rguenther@suse.de>
1328
1329         PR target/23575
1330         * config/i386/sse.md (sse2_movsd): Add missing closing
1331         braces.
1332
1333 2005-08-27  Paul Brook  <paul@codesourcery.com>
1334
1335         * genrecog.c (enum decision_type): Add DT_num_insns.
1336         (struct decision_test): Add u.num_insns.
1337         (add_to_sequence): Add DT_num_insns test.
1338         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
1339         (write_cond, debug_decision_2): Ditto.
1340         (change_state): Assume peep2_next_insn never fails.
1341         Remove "afterward" argument.
1342         (write afterward, write_tree): Update to match.
1343         * recog.c (peep2_current_count): New variable.
1344         (peep2_next_insn): Check it.
1345         (peephole2_optimize): Set peep2_current_count.
1346         * recog.h (peep2_current_count): Declare.
1347
1348 2005-08-26  Josh Conner  <jconner@apple.com>
1349
1350         PR middle-end/23584
1351         * ipa-pure-const.c (check_tree): Check for volatile-ness
1352         when considering a dereference.
1353
1354 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
1355
1356         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
1357
1358 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
1359
1360         PR rtl-optimization/23561
1361         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
1362         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
1363         at most LEN bytes long memory fits into the field.
1364         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
1365         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
1366         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
1367
1368 2005-08-26  Richard Henderson  <rth@redhat.com>
1369
1370         PR rtl-opt/23560
1371         * loop.c (biased_biv_may_wrap_p): New.
1372         (maybe_eliminate_biv_1): Use it to suppress non-equality
1373         comparison transformations.  Delete disabled code.
1374
1375 2005-08-26  Ian Lance Taylor  <ian@airs.com>
1376
1377         * combine.c (make_extraction): Avoid reference outside object.
1378
1379 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
1380
1381         * stor-layout.c (finalize_type_size): Restore behaviour for
1382         non-aggregate types to the status quo ante of the patch for
1383         pr 23467.  Document why it matters.
1384
1385 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
1386
1387         PR c/23506
1388         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
1389         array by one element, initialize the BT_LAST element with NULL.
1390
1391 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
1392
1393         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
1394         optimizing for size.
1395         (plus_eqsi): Same.
1396         (compare_plus_eqsi): Same.
1397         (plus_eqsi_compare): Same.
1398         (neg_eq0<mode>): Same.
1399         (neg_eq<mode>): Same.
1400
1401         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
1402         PROCESSOR_POWER4.
1403
1404 2005-08-26  Nick Clifton  <nickc@redhat.com>
1405
1406         * config/v850/v850.c (ep_memory_operand): Return FALSE if
1407         TARGET_EP is not defined.
1408         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
1409         TARGET_EP is enabled.
1410         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
1411         * config/v850/v850.md (save_all_interrupt): Only use the EP
1412         register if TARGET_EP is defined.
1413         (restore_all_interrupt): Likewise.
1414         * config/v850/lib1funcs.asm: Update functions so that the EP
1415         register is only used if __EP__ is defined.
1416
1417 2005-08-26  David Ung  <davidu@mips.com>
1418
1419         * config/mips/mips.c (mips_expand_prologue): Handle case when
1420         generating for MIPS16 and the outgoing argument area is more than
1421         SMALL_OPERAND. Use the frame pointer as temporary to generate the
1422         add instruction.
1423
1424 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
1425
1426         * config/crx/crx.md: Make doloop_end pattern usage controllable
1427         via mloop-nesting=<max-nesting> command line switch. Make sure
1428         the combiner cannot use doloop_end_<mode> in an illegal way.
1429         * config/crx/crx.c: Use regs up to r6 for argument passing.
1430         Refine crx_address_cost (non cst4 displacements are expensive).
1431         * config/crx/crx.opt: Add switch for mloop-nesting=.
1432
1433 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
1434
1435         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
1436         (UNSPEC_MVST): New constant.
1437
1438 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
1439
1440         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
1441         Reject operands containing eliminable registers.
1442         * testsuite/gcc.dg/20050825-1.c: New testcase.
1443
1444 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1445             Jan Hubicka  <jh@suse.cz>
1446
1447         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
1448
1449 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1450
1451         PR tree-optimization/23546
1452         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
1453         and REAL_CST nodes.
1454
1455 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
1456
1457         * params.def (PARAM_MIN_SPEC_PROB): New.
1458         * sched-rgn.c (MIN_PROBABILITY): Delete.
1459         (compute_trg_info): Convert to PARAM_VALUE.
1460         * doc/invoke.texi (param): Document min-spec-prob.
1461
1462 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
1463
1464         * config/darwin.h: define __PIC__
1465         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
1466         TARGET_OS_CPP_BUILTINS macro.
1467
1468 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1469
1470         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
1471         yesterday.
1472
1473 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
1474
1475         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
1476         to duplicate_block.
1477         * cfghooks.c (duplicate_block): Added position where to place
1478         new block as argument.
1479         * cfghooks.h (duplicate_block): Declaration changed.
1480         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
1481         duplicate_block.
1482         * cfglayout.h (copy_bbs): Declaration changed.
1483         * cfgloop.h (loop_version): Declaration changed.
1484         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
1485         position to copy_bbs.
1486         (loop_version): Pass position to duplicate_loop_to_header_edge.
1487         Add place_after argument and position new blocks according to
1488         it.
1489         * modulo-sched.c (sms_schedule): Pass place_after argument
1490         to loop_version.
1491         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
1492         * tree-cfg.c (split_edge_bb_loc): New function.
1493         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
1494         to determine position of new blocks.
1495         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
1496         to loop_version.
1497         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
1498         argument to duplicate_block.
1499         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
1500         Pass position to copy_bbs.
1501
1502 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
1503
1504         * fold-const.c (ptr_difference_const): Use
1505         cst_and_fits_in_hwi instead of host_integerp.
1506
1507 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1508
1509         * config/darwin.c (gen_pic_offset): New.
1510         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
1511         Use it.
1512
1513 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
1514
1515         PR tree-optimization/23486
1516         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
1517
1518 2005-08-23  Phil Edwards  <phil@codesourcery.com>
1519
1520         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
1521         remove use_collect2.
1522         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
1523
1524         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
1525         configuration files to override the default value.
1526
1527         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
1528         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
1529         * config/vx-common.h:  New file, split out from...
1530         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
1531         * config/vxworksae.h:  New file, for VxWorks AE.
1532         * config/vxworks.opt:  New file.
1533         * config/vxlib.c:  Update for VxWorks 6.
1534
1535         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
1536         other MULTILIB_* variables appropriately.
1537         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
1538         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
1539         * config/rs6000/vxworks.h:  Update for VxWorks 6.
1540         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
1541
1542 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
1543
1544         PR target/20799
1545         * config/darwin.c (machopic_select_section): Remove the hack to
1546         mark "::operator new" and "::operator delete" for coalescing
1547         even though they are not weak.
1548
1549 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
1550
1551         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
1552         * configure: Regenerate.
1553
1554 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
1555
1556         PR middle-end/23517
1557         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
1558         between vectors.
1559         * convert.c (convert_to_integer, convert_to_vector): Likewise.
1560         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
1561         Likewise.
1562
1563 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
1564
1565         * config/rs6000/predicates.md (equality_operator): New.
1566         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
1567         comparison with a large constant.
1568
1569 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
1570
1571         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
1572
1573 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
1574
1575         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
1576         registers is even, and we have a hardware double precision fp,
1577         align the buffer.
1578         (sh_gimplify_va_arg_expr): For floating point arguments, consider
1579         size of current argument when checking if argument was passed in
1580         registers.
1581
1582         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
1583
1584         PR middle-end/23467
1585         * stor-layout.c (finalize_type_size): Dont override
1586         existing alignment with a smaller alignment from the mode.
1587
1588 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
1589
1590         * lambda-code.c (lambda_vector_lexico_pos): Moved...
1591         * lambda.h (lambda_vector_lexico_pos): ... here.
1592         * tree-data-ref.c (build_classic_dist_vector): Return false when
1593         the distance vector is lexicographically negative.
1594
1595 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
1596
1597         PR tree-optimization/23511
1598         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
1599         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
1600
1601 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
1602
1603         PR tree-optimization/22043
1604         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
1605         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
1606         If ALLOW_FLEXARR, handle types ending with flexible array member.
1607         Pass false as second argument to recursive count_type_elements calls.
1608         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
1609         argument to count_type_elements call.
1610         * tree-sra.c (decide_block_copy): Likewise.
1611         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
1612         for a constant-sized object, set cleared as well.  Pass true as
1613         second argument to count_type_elements call.
1614
1615 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
1616
1617         PR target/21571
1618         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
1619         from legitimate_small_data_p, and make global.  Update use.
1620         Remove forward declaration.
1621         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
1622         Declare.
1623         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
1624
1625 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
1626
1627         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
1628         of scratch intermediates.
1629         (eq<mode>_compare): Same.
1630         (neg_eq0<mode>): New.
1631         (neg_eq<mode>): Convert to define_insn_and_split.
1632
1633 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
1634
1635         PR target/23070
1636         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
1637         stdarg functions, set/clear the fp marker even when no variable
1638         args are passed.
1639         * config/rs6000/sysv4.opt (mprototype): Describe.
1640
1641 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
1642
1643         PR rtl-optimization/23478
1644         * regs.h (reg_info): Add throw_calls_crossed.
1645         (REG_N_THROWING_CALLS_CROSSED): Define.
1646         * flow.c (allocate_reg_life_data): Initialize
1647         REG_N_THROWING_CALLS_CROSSED.
1648         (propagate_one_insn, attempt_auto_inc): Update
1649         REG_N_THROWING_CALLS_CROSSED.
1650         * global.c (global_alloc): Don't allocate pseudos across
1651         calls that may throw.
1652
1653 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
1654
1655         PR c/18715
1656         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
1657         value is inbetween the range if we did not find an exact match.
1658
1659 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
1660
1661         * doc/invoke.texi (Option Summary): Add ms1 options.
1662         * doc/extend.texi: Document interrupt handler attribute for ms1.
1663         * doc/md.texi: Document ms1 constraints.
1664         * config.gcc: Add ms1-*-elf.
1665         * config/ms1/ms1.h: New.
1666         * config/ms1/ms1.c: New.
1667         * config/ms1/ms1.md: New.
1668         * config/ms1/ms1-protos.h: New.
1669         * config/ms1/ABI.txt: New.
1670         * config/ms1/crti.asm: New.
1671         * config/ms1/crtn.asm: New.
1672         * config/ms1/lib2extra-funcs.c: New.
1673         * config/ms1/t-ms1: New.
1674         * config/ms1/ms1.opt: New.
1675
1676 2005-08-22 Ira Rosen <irar@il.ibm.com>
1677
1678         * config/rs6000/altivec.md (xorv4sf3): New.
1679         (negv4sf2, neg<mode>2): Likewise.
1680
1681 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
1682
1683         PR target/23485
1684         * config/ia64/ia64.md (divsi3): Check divide by zero.
1685         (udivsi3): Likewise.
1686         (divdi3): Likewise.
1687         (udivdi3): Likewise.
1688
1689 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
1690
1691         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
1692         up to elem_bitsize bits, not max_bitsize.
1693
1694 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
1695
1696         PR tree-optimization/23433
1697         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
1698         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
1699
1700 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
1701
1702         PR tree-optimization/23434
1703         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
1704         the iteration bound is not an INTEGER_CST.
1705
1706 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
1707
1708         * tree-vect-transform.c (get_initial_def_for_reduction): Set
1709         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
1710         NULL if need_epilog_adjust is false.
1711         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
1712         Case 3 always peels first itration, not just for PLUS case, and no need
1713         to use scalar_initial_def here. Create an epilog adjustment only if
1714         scalar_initial_def is not NULL.
1715
1716         (vectorizable_reduction): Remove assert.
1717
1718 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
1719
1720         PR target/23485
1721         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
1722         (__moddi3): Likewise.
1723         (__udivdi3): Likewise.
1724         (__umoddi3): Likewise.
1725         (__divsi3): Likewise.
1726         (__modsi3): Likewise.
1727         (__udivsi3): Likewise.
1728         (__umodsi3): Likewise.
1729
1730 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
1731
1732         * tree-pass.h (TDF_GRAPH): Define.
1733         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
1734         * passes.c (finish_optimization_passes): Only call
1735         finish_graph_dump_file if TDF_GRAPH is set.
1736         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
1737         NULL.  Set TDF_GRAPH bit.
1738         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
1739
1740 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
1741
1742         * arm.h (arm_stack_offsets): Add locals_base field.
1743         * arm.c (arm_get_frame_offsets): Compute it.
1744         (thumb_compute_initial_elimination offset): Make the Thumb frame
1745         pointer point to the base of the local variables.
1746         (thumb_expand_prologue): Update accordingly.
1747         (thumb_expand_epilogue): Likewise.
1748
1749         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
1750         mode of clobbered scratch to DImode.  Handle a case that's known to
1751         need this.
1752
1753 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
1754
1755         * config/rs6000/rs6000.md (gt0<mode>): Delete.
1756         (gt0<mode>_compare): Delete.
1757         (neg_gt0<mode>): Delete.
1758
1759 2005-08-19  Eric Christopher  <echristo@apple.com>
1760
1761         * optabs.h: Change CTI_ to COI_.
1762         * optabs.c: Ditto.
1763
1764 2005-08-19  James E Wilson  <wilson@specifix.com>
1765
1766         * builtins.c (expand_builtin_return_addr): Set
1767         current_function_accesses_prior_frames when count != 0.  Use
1768         frame_pointer_rtx when count == 0.
1769         * function.h (struct function): Add accesses_prior_frames field.
1770         (current_function_accesses_prior_frames): Define.
1771         * reload1.c (init_elim_table): Check
1772         current_function_accesses_prior_frames.
1773         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
1774
1775 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1776
1777         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
1778         indicator.  Return true if the flowgraph changed during
1779         cleanup.
1780
1781 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1782
1783         PR 23476
1784         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
1785         conditional expression before testing its value.
1786
1787 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1788
1789         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
1790
1791 2005-08-19  Devang Patel  <dpatel@apple.com>
1792
1793         PR tree-optimization/23048
1794         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
1795         third parameter. Check whether latch is dominated by exit
1796         block or not.
1797         (if_convertible_loop_p): Supply exit block itself to
1798         if_convertible_bb_p.
1799
1800 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
1801
1802         PR target/23473
1803         * arm.md (arm_load_pic_register): Change argument to the mask of
1804         saved registers.  Call thumb_find_work_register if we need a
1805         scratch register on Thumb.
1806         (arm_expand_prologue): Pass empty register set to
1807         arm_load_pic_register.
1808         (thumb_expand_prologue): Pass live_regs_mask directly to
1809         arm_load_pic_register.
1810         * arm-protos.h (arm_load_pic_register): Update prototype.
1811
1812 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
1813
1814         * sh.c (find_sole_member): New function.
1815         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
1816         if the record's alignment is larger than the size of its only member.
1817
1818 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
1819
1820         PR target/23436
1821         * arm.c (thumb_legitimize_reload_address): New function.
1822         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
1823         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
1824
1825 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
1826
1827         * config/crx/crx.c: Implement crx_decompose_address. Reject
1828         symbolic displacements since CRX register relative adressing
1829         mode can't handle unsigned 32-bit values as displacements.
1830         * config/crx/crx.h: Simplify definitions, remove redundant
1831         parenthesis and obsolete macros.
1832         * config/crx/crx.opt: Add new switch for debugging addresses.
1833         * config/crx/crx-protos.h: Add new declarations for above.
1834
1835 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
1836
1837         PR middle-end/20624
1838         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
1839         looking past it.
1840
1841 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1842
1843         * collect2.c (dup2): Delete.
1844         * configure.ac: Don't check for dup2.
1845
1846         * config.in, configure: Regenerate.
1847
1848 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
1849
1850         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
1851         record with the type of its only member.
1852
1853 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
1854
1855         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
1856         define_insn_and_split.
1857         (plus_ltu<mode>_compare): Same.
1858         (gtu<mode>_compare): Same.
1859         (plus_gtu<mode>_compare): Same.
1860
1861 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
1862
1863         PR tree-optimization/22228
1864         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
1865         todo_flags_start.
1866         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
1867         are recorded in vect_vnames_to_rename for renaming.
1868         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
1869         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
1870         in vect_vnames_to_rename.
1871         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
1872         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
1873
1874 2005-08-18  Jan Hubicka  <jh@suse.cz>
1875
1876         PR c++/22034
1877         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
1878         info only for local statics, not for member variables.
1879
1880 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1881
1882         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
1883
1884 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1885
1886         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
1887
1888 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
1889
1890         PR middle-end/16045
1891         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
1892
1893 2005-08-17  James E Wilson  <wilson@specifix.com>
1894
1895         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1896         array size check.
1897
1898 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
1899
1900         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
1901         (leu<mode>_compare): Same.
1902         (plus_leu<mode>): Same.
1903         (neg_leu<mode>): Same.
1904         (and_neg_leu<mode): Same.
1905         (ltu<mode>_compare): Same.
1906         (plus_ltu<mode>): Same.
1907         (geu<mode>): Same.
1908         (geu<mode>_compare): Same.
1909         (plus_geu<mode>): Same.
1910         (neg_geu<mode>): Same.
1911         (and_neg_geu<mode>): Same.
1912         (plus_gt<mode>): Same.
1913         (gtu<mode>_compare): Same.
1914         (plus_gtu<mode>): Same.
1915
1916 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
1917
1918         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
1919         Move call_table_data to end.  Delete spurious .text.
1920         (callt_save_all_interrupt): Fix comment typo.
1921
1922 2005-08-17  James E Wilson  <wilson@specifix.com>
1923             Kevin Winchester  <winchester@amirix.com>
1924
1925         PR target/21684
1926         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
1927
1928 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
1929
1930         PR target/23268
1931         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
1932         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
1933
1934 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
1935
1936         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
1937         record with the type of its only member if the modes don't match.
1938
1939         * varasm.c (decode_reg_name): Skip empty additional register names.
1940
1941 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
1942
1943         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
1944         lsm_tmp_name_length): New.
1945         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
1946         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
1947
1948 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1949             Andreas Krebbel  <krebbel1@de.ibm.com>
1950
1951         * config.gcc: Added z9-109 switch.
1952         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
1953         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
1954         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
1955         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
1956         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
1957         for "z9_109" cpu attribute.
1958         * config/s390/s390.c (z9_109_cost): New processor cost structure.
1959         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
1960         (s390_handle_arch_option): Added z9-109 switch.
1961         (override_options): Set respective cost function for z9-109.
1962         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
1963         (legitimate_reload_constant_p): Accept extended immediates.
1964         (print_operand): Three new output modifiers added: k, m and o.
1965         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
1966         (s390_output_mi_thunk): Use extended immediate when possible.
1967         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
1968         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
1969         (CONSTRAINT_LEN): Added length of O constraint.
1970         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
1971         * config/s390/s390.md ("cpu"): New value z9_109 added.
1972         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
1973         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
1974         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
1975         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
1976         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
1977         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
1978         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
1979         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
1980         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
1981         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1982         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
1983         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
1984         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
1985         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
1986         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
1987         immediates.
1988         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
1989         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
1990         insns for TARGET_EXTIMM.
1991
1992 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
1993
1994         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
1995
1996 2005-08-17  Nick Clifton  <nickc@redhat.com>
1997
1998         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
1999         Call default_encode_section_info.
2000
2001 2005-08-17  Steven Bosscher  <stevenb@suse.de>
2002
2003         PR tree-optimization/21574
2004         * tree-ssa-ccp.c (likely_value): If the right hand side is a
2005         constant, return CONSTANT.
2006         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
2007         (ccp_fold, visit_assignment): Likewise.
2008         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
2009
2010 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
2011
2012         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
2013         fold_buildN instead of buildN then fold_initializer or fold.
2014         (build_unary_op): Likewise.
2015         (build_binary_op): Likewise.
2016         * fold-const.c (fold_initializer): Remove.
2017         (fold_build1_initializer): New function.
2018         (fold_build2_initializer): New function.
2019         (fold_build3_initializer): New function.
2020         * tree.h (fold_initializer): Remove.
2021         (fold_build1_initializer): New function.
2022         (fold_build2_initializer): New function.
2023         (fold_build3_initializer): New function.
2024
2025 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
2026
2027         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
2028         (try_move_mult_to_index): Call fold_build2 instead of build2.
2029         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
2030         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
2031         fold_binary_to_constant.
2032         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
2033         fold (build.
2034         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
2035         check if A == gcd (A, B).  Remove TYPE argument.
2036         (analyze_offset) Use fold_build2 instead of fold (build.
2037         (create_data_ref): Likewise.
2038         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
2039         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
2040         then fold.
2041
2042 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
2043
2044         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
2045         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
2046
2047 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
2048
2049         PR tree-opt/23402
2050         * gimplify.c (zero_sized_type): New function.
2051         (gimplify_modify_expr_rhs): If we have a zero sized type,
2052         replace the statement with an empty statement.
2053
2054 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
2055
2056         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
2057         fxsave.
2058
2059 2005-08-16  Ian Lance Taylor  <ian@airs.com>
2060
2061         * doc/tm.texi (Label Output): Correct typo.
2062
2063 2005-08-16  Steven Bosscher  <stevenb@suse.de>
2064
2065         PR target/23376
2066         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
2067         force_operand will work later on using have_insn_for.
2068
2069 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2070
2071         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
2072
2073 2005-08-16  Ian Lance Taylor  <ian@airs.com>
2074
2075         PR c++/23337
2076         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
2077         vector type, don't try to construct it element by element.  Add an
2078         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
2079
2080 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2081
2082         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
2083
2084 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
2085
2086         * doc/invoke.texi (Precompiled Headers): Document some more options
2087         which are known to be safe.
2088
2089 2005-08-16  James E Wilson  <wilson@specifix.com>
2090
2091         PR tree-optimization/21105
2092         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2093         TREE_OVERFLOW check.
2094
2095 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
2096
2097         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
2098         (neg_ltu<mode>): Same.
2099         (gtu<mode>): Same.
2100         (neg_gtu<mode>): Same.
2101
2102 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2103
2104         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
2105         (fold_builtin_isdigit): Use fold_buildN.
2106         (build_function_call_expr): Likewise.
2107         * c-typeck.c (c_finish_loop): Likewise.
2108
2109 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
2110             Richard Shann <rshann@superh.com>
2111
2112         PR middle-end/20396:
2113         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
2114
2115 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
2116
2117         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
2118
2119 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
2120
2121         PR target/23355
2122         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
2123         arm_compure_save_reg0_reg12_mask to determine when the PIC register
2124         must be saved.
2125
2126 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2127
2128         PR middle-end/23369
2129         * fold-const.c (build_range_check): Disable optimization for function
2130         pointer expressions on targets that require function pointer
2131         canonicalization.
2132
2133 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
2134
2135         * simplify-rtx.c (simplify_const_relational_operation): When
2136         extracting arguments of a COMPARE, recompute the mode as well.
2137
2138 2005-08-15  Ian Lance Taylor  <ian@airs.com>
2139
2140         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
2141
2142 2005-08-15  DJ Delorie  <dj@redhat.com>
2143
2144         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
2145         the stack.
2146         (movsi_splittable): Allow, but split, moves to the stack.
2147         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
2148         stack.
2149
2150 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2151
2152         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
2153         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
2154         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
2155
2156         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
2157         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
2158         Delete HOST_PTR_PRINTF.
2159
2160         * configure, config.in: Regenerate.
2161
2162 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
2163
2164         * config/rs6000/rs6000.md (QHSI): New mode macro.
2165         (wd): Extend mode attr for QImode and HImode
2166         (dbits): New mode attr.
2167         (zero_extend<mode>di2): Convert to mode macro.
2168
2169 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
2170
2171         PR target/21841
2172         * doc/invoke.texi (-mgnu-ld): Update description.
2173         (-mhp-ld): Ditto.
2174
2175 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
2176
2177         PR 23391
2178         * Makefile.in (tree-chrec.o): Depends on real.h.
2179         * tree-chrec.c: Include real.h.
2180         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
2181         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
2182         * tree-scalar-evolution.c (add_to_evolution_1,
2183         interpret_rhs_modify_expr): Ditto.
2184
2185 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
2186
2187         PR 23386
2188         * tree-data-ref.c (estimate_niter_from_size_of_data): When
2189         step is negative compute the estimation from init downwards to zero.
2190
2191 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
2192
2193         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
2194
2195 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
2196
2197         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
2198         constraint.
2199         (legitimate_reload_constant_p): Fix handling of lliXX operands.
2200         Accept double-word constants that can be split.
2201         * config/s390/s390.md ("movti"): Use 'P' constraint.
2202         ("*movdi_31", "*movdf_31"): Likewise.
2203
2204 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
2205
2206         Fix PR tree-optimization/22615
2207
2208         * tree-ssa-structalias.c (solution_set_add): Handle
2209         first_vi_for_offset returning NULL.
2210         (do_da_constraint): Ditto.
2211         (do_sd_constraint): Ditto.
2212         (do_ds_constraint): Ditto
2213         (find_func_aliases): Ditto.
2214         (build_constraint_graph): RHS is allowed be ANYTHING.
2215         (first_vi_for_offset): Return NULL if we couldn't find anything at
2216         the offset.
2217
2218 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
2219
2220         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
2221         over memory as first operand.
2222
2223 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
2224
2225         PR target/23360
2226         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
2227         available for setting it.
2228
2229 2005-08-14  Ira Rosen  <irar@il.ibm.com>
2230
2231         PR tree-optimization/23320
2232         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
2233         data-refs' types instead of base object nullness. Add check for
2234         pointer type data-refs before first location comparison. Remove
2235         assert.
2236
2237 2005-08-14  Andreas Schwab  <schwab@suse.de>
2238
2239         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
2240
2241 2005-08-13  James E Wilson  <wilson@specifix.com>
2242
2243         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
2244         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
2245         -fstack-protector-all, --param ssp-buffer-size): Document.
2246         (-Wvariadic-macros): Alphabetize.
2247         (-fsched-stalled-insns-dep): Add missing 'f'.
2248
2249         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
2250         macros.
2251
2252 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
2253
2254         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
2255         or indirect address operand.
2256         (EXTRA_ADDRESS_CONSTRAINT): New.
2257         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
2258
2259 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
2260
2261         PR tree-optimization/22236
2262         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
2263         successors and predecessors.
2264         * tree-chrec.c (chrec_convert): Before converting, check that
2265         sequences don't wrap.
2266         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
2267         (analyze_array): Extern.
2268         (find_data_references_in_loop): Remove call to
2269         compute_estimated_nb_iterations.
2270         * tree-data-ref.h (analyze_array): Declared.
2271         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
2272         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
2273         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
2274         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
2275         condition.
2276         * tree-ssa-loop-ivcanon.c: Fix documentation.
2277         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
2278         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
2279         (infer_loop_bounds_from_undefined): New.
2280         (estimate_numbers_of_iterations_loop): Use
2281         infer_loop_bounds_from_undefined.
2282         (used_in_pointer_arithmetic_p): New.
2283         (scev_probably_wraps_p): Pass an extra parameter.  Call
2284         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
2285         (convert_step): Fix documentation.
2286         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2287         Use initial_condition_in_loop_num and evolution_part_in_loop_num
2288         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
2289         scev_probably_wraps_p.
2290
2291 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
2292
2293         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2294         (s390_register_info): Ignore clobbered_regs information for fixed
2295         registers, and only fixed registers.
2296         (s390_init_frame_layout): Remove redundant call.
2297
2298 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
2299
2300         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
2301         description of -Wold-style-casts.
2302
2303 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2304             Jakub Jelinek  <jakub@redhat.com>
2305
2306         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2307         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
2308         * config/s390/s390.c (print_operand): New output modifier 'G' added.
2309         (get_thread_pointer): Renamed to s390_get_thread_pointer.
2310         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
2311         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
2312         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
2313         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2314         ("stack_protect_set", "stack_protect_test"): New expanders.
2315         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
2316         "stack_protect_testdi"): New insn definitions.
2317
2318 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2319
2320         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
2321
2322 2005-08-12  Paul Brook  <paul@codesourcery.com>
2323
2324         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
2325
2326 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2327
2328         * config/s390/predicates.md (setmem_operand): New predicate.
2329         (shift_count_operand): Accept ANDs with special constants as
2330         operand.
2331         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
2332         with special constants.
2333         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
2334         shift_count_operand with setmem_operand.
2335
2336 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2337
2338         * config/s390/s390.c (s390_extract_part, s390_single_part):
2339         Type cast added.
2340         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
2341         (s390_output_mi_thunk): Don't use lg on 31 bit.
2342         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
2343         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
2344
2345 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2346
2347         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
2348         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
2349         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
2350         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
2351         with one of the new macros.
2352
2353 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2354
2355         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
2356         Don't set save_return_addr_p.
2357         (s390_register_info): Make clobbered_regs not depending on
2358         save_return_addr_p.
2359
2360 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2361
2362         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
2363         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
2364
2365 2005-08-11  James E. Wilson  <wilson@specifix.com>
2366
2367         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
2368
2369 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
2370
2371         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
2372         locations gathered by var-tracking in single entry loc_list
2373         over loc_descriptor_from_tree.
2374
2375         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
2376         pass it down to loc_descriptor.
2377         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
2378         (containing_function_has_frame_base): Move earlier in the file.
2379         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
2380         instead of always assuming fbreg can't be used.
2381
2382 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
2383
2384         * config/rs6000/altivec.md: Change constraint "m" to "Z".
2385         * config/rs6000/predicates.md (indexed_or_indirect_operand):
2386         Accept address wrapped in AND for Altivec.
2387         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2388         Strip AND wrapping offset address for Altivec.
2389
2390 2005-08-11  Richard Henderson  <rth@redhat.com>
2391
2392         PR middle-end/23312
2393         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
2394         before using TYPE_IS_SIZETYPE.
2395
2396 2005-08-11  Richard Henderson  <rth@redhat.com>
2397
2398         PR target/22225
2399         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
2400         insn types not present on ev4.
2401         (alphaev5_insn_pipe): Similarly.
2402
2403 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
2404
2405         PR target/23250
2406         * arm.c (arm_override_options): If the user has selected callee-super-
2407         interworking, then enable normal interworking.
2408
2409 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2410
2411         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
2412         redefinition.
2413
2414 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
2415
2416         * doc/rtl.texi: Fix two typos.
2417
2418 2005-08-11  Richard Guenther  <rguenther@suse.de>
2419
2420         PR target/23289
2421         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
2422         cases where we call to/from functions returning void.
2423
2424 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
2425
2426         PR c++/23225
2427         * tree.c (build_pointer_type_for_mode): Robustify.
2428
2429 2005-08-10  James E Wilson  <wilson@specifix.com>
2430
2431         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
2432         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
2433
2434         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
2435         "cum->".
2436
2437 2005-08-10  Eric Christopher  <echristo@apple.com>
2438
2439         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
2440         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
2441         V2DFmode.
2442
2443 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
2444
2445         PR target/21887
2446         * config/darwin.c (machopic_indirect_data_reference): Use a new register
2447         for the high part when generating dynamic-no-pic code.
2448
2449 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
2450
2451         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
2452         (x86_64-*-linux*): Likewise.
2453
2454         * config/i386/crtfastmath.c: New file.
2455         * config/i386/t-crtfm: Likewise.
2456
2457         * config/i386/linux.h (ENDFILE_SPEC): New.
2458         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
2459
2460         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2461         crtfastmath.o.
2462
2463 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
2464
2465         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
2466         (vec_shl, vec_shr): Document new operations.
2467         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
2468
2469 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
2470
2471         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
2472         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
2473         change predicate to indexed_or_indirect_address.
2474
2475 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
2476
2477         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
2478         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
2479         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
2480         and __aeabi_uwrite8.
2481         * config/arm/unaligned-funcs.c: New file.
2482         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
2483
2484 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
2485
2486         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
2487         Add dump.
2488         * cfglayout.c (pass_insn_locators_initialize): Add dump.
2489         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
2490         Add dump.
2491         * except.c (pass_convert_to_eh_region_ranges): Add dump.
2492         * final.c (pass_shorten_branches): Add dump.
2493         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
2494         (pass_life): Rename dump.
2495         (rest_of_handle_flow2): Remove initial verify_flow_info.
2496         * function.c (pass_instantiate_virtual_regs): Add dump.
2497         * integrate.c (pass_initial_value_sets): Add dump.
2498         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
2499         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
2500         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
2501         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
2502         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
2503         gate_rtl_unrool_and_peel_loops): New.
2504         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
2505         rtl_doloop): Do not look at flags.
2506         * mode-switching.c (pass_mode_switching): Add dump.
2507         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
2508         pass_split_before_regstack): Add dump.
2509         * regmove.c (pass_stack_adjustments): Add dump.
2510         * tree-optimize.c (pass_fixup_cfg): Add dump.
2511
2512 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2513
2514         PR 23309
2515         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
2516         deciding which instruction sequence to use.
2517
2518 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
2519
2520         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
2521         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
2522
2523 2005-08-09  Richard Guenther  <rguenther@suse.de>
2524
2525         * c-common.c (builtin_function_2): Remove.
2526         (def_builtin_1): New function.
2527         (c_common_nodes_and_builtins): Use def_builtin_1 to
2528         build builtin functions.
2529
2530 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
2531
2532         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
2533         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2534         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
2535         Visual DSP.
2536
2537 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
2538
2539         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
2540         fold_binary instead of fold_build2 since we don't care about the
2541         resulting tree.
2542         (loop_niter_by_eval): Likewise.
2543         (compare_trees): Likewise.
2544         (proved_non_wrapping_p): Likewise.
2545
2546 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
2547
2548         PR c/23161
2549         PR c/23165
2550         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
2551         if the if is really empty.
2552
2553 2005-08-09  Steven Bosscher  <stevenb@suse.de>
2554
2555         PR tree-optimization/23234
2556         * tree-ssa-math-opts.c (place_reciprocal): New enum.
2557         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
2558         argument of the new enum.
2559         (execute_cse_reciprocals): Add reciprocals for function arguments
2560         on the unique successor edge of the entry block.  Update other calls
2561         to execute_cse_reciprocals_1.
2562
2563 2005-08-08  Richard Henderson  <rth@redhat.com>
2564
2565         PR 22439
2566         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
2567
2568 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
2569
2570         * expr.c (write_complex_part): Return after handling MEM.
2571
2572 2005-08-08  Josh Conner  <jconner@apple.com>
2573
2574         PR rtl-optimization/23241
2575         * combine.c (simplify_comparison): Fix error in determining
2576         whether to lift a subreg from comparison.
2577
2578 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
2579
2580         PR target/18506
2581         * config/rs6000/altivec.md (vec_init<mode>): New.
2582         (vec_set<mode>): New.
2583         (vec_extract<mode>): New.
2584         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
2585         (rs6000_expand_vector_set): New.
2586         (rs6000_expand_vector_extract): New.
2587         (rs6000_legitimate_offset_address_p): Offset addresses are valid
2588         for Altivec modes before reload.
2589         (altivec_expand_vec_init_builtin): New.
2590         (get_element_number): New.
2591         (altivec_expand_vec_set_builtin): New.
2592         (altivec_expand_vec_ext_builtin): New.
2593         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
2594         builtins.
2595         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
2596         builtins.
2597         * config/rs6000/rs6000.h (rs6000_builtins): Add
2598         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
2599         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
2600         * config/rs6000/rs6000-protos.h: Declare new functions.
2601
2602 2005-08-08  Jan Hubicka  <jh@suse.cz>
2603
2604         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
2605         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
2606         * i386.md (movdi*): Use pic_32bit_operand.
2607         * predicates.md (pic_32bit_operand): New.
2608
2609 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
2610
2611         PR c++/21166
2612         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
2613
2614 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
2615
2616         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
2617         (test_for_singularity): Use fold_build2.
2618
2619 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2620
2621         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
2622
2623 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
2624
2625         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2626         (COMMON_ASM_OP) Define.
2627         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
2628         (ix86_encode_section_info): Likewise.
2629         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
2630         SUBTARGET_ENCODE_SECTION_INFO.
2631
2632 2005-08-06  Richard Henderson  <rth@redhat.com>
2633
2634         PR 21894
2635         * tree-nested.c (convert_local_reference): Save and restore val_only
2636         around component_ref and friends.  Clear walk_subtrees by default.
2637
2638 2005-08-06  Peter O'Gorman  <peter@pogma.com>
2639
2640         PR 21366
2641         * gcc.c (process_command): Check the argument to -b has a dash.
2642         * doc/invoke.texi: Update -b and -V docs.
2643
2644 2005-08-06  James E Wilson  <wilson@specifix.com>
2645
2646         * config/mips/cross64.h, config/mips/t-cross64: Delete.
2647
2648 2005-08-06  Michael Matz  <matz@suse.de>
2649
2650         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
2651         member only if only one insn is associated with the value.
2652
2653 2005-08-06  Nick Clifton  <nickc@redhat.com>
2654
2655         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
2656         New define.
2657         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
2658         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
2659         Check symbol flags instead of symbol name mangling.
2660         (xstormy16_asm_output_aligned_common): Likewise.  Also
2661         simplify code since the bss100_section cass is the only case
2662         where the below100 code will be triggered.
2663         (xstormy16_encode_section_info): Encode below100 attribute
2664         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
2665         the name.
2666         (xstormy16_strip_name_encoding): Delete - this function is no
2667         longer needed.
2668         (TARGET_STRIP_NAME_ENCODING): Undefine.
2669         * config/stormy16/stormy16-protos.h: Delete prototype for
2670         xstormy16_strip_name_encoding.
2671
2672 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
2673
2674         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
2675         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
2676         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
2677         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
2678         config/alpha/predicates.md, config/arc/arc.h,
2679         config/arm/arm.h, config/arm/ieee754-df.S,
2680         config/arm/ieee754-sf.S, config/bfin/bfin.c,
2681         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
2682         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
2683         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
2684         config/m68hc11/m68hc11.h, config/mips/mips.c,
2685         config/mips/mips.h, config/mips/openbsd.h,
2686         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
2687         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
2688         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2689         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2690         config/sparc/linux.h, config/sparc/linux64.h,
2691         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
2692         doc/extend.texi, doc/gcov.texi, doc/install.texi,
2693         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
2694         typos.  Follow spelling conventions.
2695
2696 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
2697
2698         PR c/23113
2699         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
2700         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
2701         specially.  Check for side effects only for COND_EXPR.
2702         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
2703         return with TREE_NO_WARNING.
2704
2705 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
2706
2707         PR rtl-optimization/23233
2708         * loop.c (combine_movables): Require the modes to be the same.
2709         (move_movables): Remove handling of cases where the replacement
2710         had a different mode to the original.
2711
2712 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
2713
2714         PR tree-optimization/23128
2715         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
2716         subtraction wrap, and set TREE_OVERFLOW if they do.
2717
2718 2005-08-05  Richard Henderson  <rth@redhat.com>
2719
2720         PR 21728
2721         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
2722         FORCED_LABEL labels.
2723
2724 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
2725
2726         PR middle-end/23135
2727         * reload.c (find_reloads_subreg_address): Pass down TYPE
2728         unchanged.  Change all callers except find_reloads_toplev.
2729
2730 2005-08-05  Michael Matz  <matz@suse.de>
2731
2732         * genattrtab.c (current_alternative_string): Remove.
2733         (SIMPLIFY_ALTERNATIVE): Ditto.
2734         (attr_alt_bit_p): Ditto.
2735         (alternative_name): Make const char *.
2736         (evaluate_eq_attr): Remove use of above things.
2737         (simplify_test_exp): Ditto.
2738         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
2739         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
2740
2741 2005-08-04  James E Wilson  <wilson@specifix.com>
2742
2743         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
2744         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
2745         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
2746         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
2747         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
2748
2749 2005-08-04  Richard Henderson  <rth@redhat.com>
2750
2751         PR 21529
2752         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
2753         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
2754         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
2755         if we'd have to instantiate too many members.
2756
2757 2005-08-04  Richard Henderson  <rth@redhat.com>
2758
2759         PR 21291
2760         * tree-outof-ssa.c (coalesce_asm_operands): New.
2761         (coalesce_ssa_name): Use it.  Split out ...
2762         (coalesce_phi_operands, coalesce_result_decls): ... these.
2763
2764 2005-08-04  Paul Brook  <paul@codesourcery.com>
2765
2766         * read-rtl.c (read_quoted_string): Break if EOF.
2767
2768 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
2769
2770         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
2771         (fold_build2): Likewise.
2772         (fold_build3): Likewise.
2773         (fold_build1_stat): New function prototype.
2774         (fold_build2_stat): Likewise.
2775         (fold_build3_stat): Likewise.
2776         * fold-const.c (fold_build1): Rename to ..
2777         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2778         through to build1_stat.
2779         (fold_build2): Rename to ..
2780         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2781         through to build2_stat.
2782         (fold_build3): Rename to ..
2783         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2784         through to build3_stat.
2785
2786 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
2787             Ian Lance Taylor  <ian@airs.com>
2788
2789         * function.c (assign_stack_local_1): Do not correct stack slot
2790         address if allocation size is smaller than mode size.
2791
2792 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
2793
2794         PR 22037
2795         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
2796         (tree_merge_blocks): Propagate anything allowed by
2797         may_propagate_copy.
2798         Clarify documentation.
2799         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
2800         SSA form, schedule an update if necessary.
2801
2802 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
2803
2804         * doc/install.texi (Binaries): Remove broken link to
2805         Sinix/Reliant Unix binaries.
2806
2807 2005-08-03  Richard Henderson  <rth@redhat.com>
2808
2809         PR 23221
2810         * function.c (stack_protect_epilogue): Export.
2811         * tree.h (stack_protect_epilogue): Declare.
2812         * calls.c (expand_call): Call it.
2813
2814 2005-08-03  Eric Christopher  <echristo@apple.com>
2815
2816         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
2817         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
2818         spec.
2819
2820 2005-08-04  Jan Hubicka  <jh@suse.cz>
2821
2822         * profile.c (branch_prob): Split edges with goto locus on them
2823         to get proper line counts.
2824         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
2825
2826 2005-08-03  Paul Brook  <paul@codesourcery.com>
2827
2828         * function.c (assign_parms): Round current_function_args_size
2829         to PARM_BOUNDARY, not STACK_BOUNDARY.
2830
2831 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
2832
2833         * config/i386/i386.c (x86_elf_aligned_common)
2834         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
2835
2836 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
2837
2838         PR tree-optimization/23157
2839         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
2840         before emitting them.
2841
2842 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2843
2844         PR tree-optimization/19899
2845         * Makefile.in (tree-scalar-evolution.o): Add real.h.
2846         * tree-scalar-evolution.c: Include real.h.
2847         (add_to_evolution): Build constant -1 of correct type.
2848
2849 2005-08-03  Jan Hubicka  <jh@suse.cz>
2850
2851         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
2852         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
2853         profile updating for complette unrolling.
2854         * loop-unroll.c (peel_loop_completely): Use it.
2855         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2856         (tree_unroll_loops_completely): Disable code growing unrolling of cold
2857         loops.
2858
2859 2005-08-03  Paul Brook  <paul@codesourcery.com>
2860
2861         * combine.c (can_change_dest_mode): New function.
2862         (try_combine, simplify_set): Use it.
2863
2864 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
2865
2866         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
2867         TFmode to BLKmode.
2868
2869 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
2870
2871         * doc/install.texi (Specific): Adjust link to openavr.org.
2872         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
2873         (Binaries): Adjust HP-UX Porting Center link.
2874         (Binaries): Adjust Free Software Foundation ordering link.
2875
2876 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
2877
2878         * convert.c (convert_to_integer): Use fold_build1 instead of
2879         build1 when converting an integer to an integer.
2880
2881 2005-08-02  Richard Henderson  <rth@redhat.com>
2882
2883         * combine.c (combine_instructions): Don't use reg_equal/equiv
2884         results if the mode doesn't match.
2885
2886 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
2887
2888         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
2889         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
2890
2891 2005-08-02  Richard Henderson  <rth@redhat.com>
2892
2893         PR 23196
2894         * explow.c (memory_address): Remove special-case for
2895         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
2896
2897 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
2898
2899         PR 23164
2900         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
2901         number of calls to cleanup_tree_cfg_1.
2902
2903 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
2904
2905         * doc/invoke.texi: document file extensions .F90 and .F95
2906
2907 2005-08-02  Richard Guenther  <rguenther@suse.de>
2908
2909         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
2910         positive if its first argument is positive.
2911
2912 2005-08-02  Richard Guenther  <rguenther@suse.de>
2913
2914         PR tree-optimization/23177
2915         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
2916         on TMR_TAG.
2917
2918 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
2919
2920         PR tree-optimization/23129
2921         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
2922         varying for divisions with anti-ranges.
2923
2924 2005-08-02  Jan Hubicka  <jh@suse.cz>
2925
2926         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
2927         * tree-ssa-threadupdate.c (thread_block): Add it here.
2928
2929 2005-08-01  James E Wilson  <wilson@specifix.com>
2930
2931         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
2932         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
2933         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
2934         New.
2935         * config/mips/predicates.md (const_call_insn_operand): Add check for
2936         SYMBOL_REF_LONG_CALL_P.
2937         * doc/extend.texi (long_call): Document the new attribute.
2938
2939 2005-08-01  Ian Lance Taylor  <ian@airs.com>
2940             Richard Henderson  <rth@redhat.com>
2941
2942         * Makefile.in (RTL_BASE_H): Add real.h.
2943         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
2944         instead of memcpy.
2945         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
2946         directly.
2947         * rtl.c (rtl_check_failed_code_mode): New.
2948         * rtl.h (struct rtx_def): Add u.rv.
2949         (XCMWINT, XCNMPRV): New.
2950         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
2951         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
2952
2953 2005-08-01  Richard Henderson  <rth@redhat.com>
2954
2955         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
2956         with auto-inc codes.
2957
2958         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
2959
2960 2005-08-01  Jan Hubicka  <jh@suse.cz>
2961
2962         * i386-protos.h (asm_preferred_eh_data_format): Declare.
2963         * i386.c: Include dwarf2.h
2964         (asm_preferred_eh_data_format): New.
2965         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
2966
2967 2005-08-01  Ian Lance Taylor  <ian@airs.com>
2968
2969         * config/host-linux.c (linux_gt_pch_get_address): Add new name
2970         randomize_va_space for virtual address randomization control.
2971
2972 2005-08-01  Steven Bosscher  <stevenb@suse.de>
2973
2974         * common.opt (flag_ipa_cp): Put in right place to maintain
2975         alphabetic sort.
2976
2977 2005-08-01  Jan Hubicka  <jh@suse.cz>
2978
2979         * profile.c (compute_value_histograms): Fix thinko.
2980         * value-prof.c: Include toplev.h
2981         (check_counter): New function.
2982         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
2983         tree_mod_subtract_transform): Add sanity check.
2984
2985 2005-08-01  Richard Guenther  <rguenther@suse.de>
2986
2987         PR tree-optimization/23133
2988         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
2989         current functions parameter decls to find defs to cse
2990         reciprocals of.
2991
2992 2005-08-01  Richard Guenther  <rguenther@suse.de>
2993
2994         PR tree-optimization/23109
2995         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
2996         If trapping math is in effect, use post-dominator information
2997         to check if we'd in any case reach a trapping point before
2998         doing the reciprocal insertion.
2999         (execute_cse_reciprocals): Compute post-dominators, if necessary.
3000         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
3001         expressions are invariant only if trapping math is not in effect.
3002
3003 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
3004
3005         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
3006         cgraph_function_versioning): New declarations.
3007         * cgraphunit.c: Add include to ipa-prop.h.
3008         (update_call_expr, cgraph_copy_node_for_versioning,
3009         cgraph_function_versioning): New functions.
3010         * integrate.c (copy_decl_for_inlining): Remove.
3011         * ipa-prop.h (ipa_replace_map): New struct.
3012         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
3013         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
3014         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
3015         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
3016         ipcp_iterate_stage, ipcp_method_scale_print,
3017         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
3018         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
3019         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
3020         ipcp_update_bb_counts, ipcp_update_profiling,
3021         ipcp_update_edges_counts): New functions.
3022         (ipcp_method_cval_init): Remove restriction regarding local methods.
3023         (ipcp_init_stage): Add ipcp_method_compute_scale.
3024         (ipcp_insert_stage): Add versioning.
3025         (ipcp_structures_print): Add ipcp_method_scale_print.
3026         (ipcp_driver): Dump profiling info.
3027         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
3028         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
3029         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
3030         (struct inline_data): Add versioning_p, ipa_info, new fields.
3031         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
3032         declare_return_variable): Replace calls to copy_decl_for_inlining with
3033         copy_decl_for_dup.
3034         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
3035         versioning support.
3036         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
3037         Add argument VERSIONING.
3038         (copy_arguments_for_versioning, copy_static_chain,
3039         function_versionable_p, tree_versionable_function_p,
3040         tree_function_versioning, replace_ref_tree): New functions.
3041         * tree-inline.h: Include varray.h.
3042         (tree_versionable_function_p,  tree_function_versioning,
3043         tree copy_decl_for_dup): New declarations.
3044
3045 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
3046
3047         * ipa-cp.c: New file. Contains IPCP specific functionality.
3048         * ipa-prop.h: New file. Contains structures/definitions that can be
3049         used by several interprocedural data flow optimizations (and also IPCP).
3050         * ipa-prop.c: New file.
3051         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
3052         * common.opt: Add ipa-cp flag.
3053         * timevar.def: Add IPCP optimization.
3054         * tree-optimize.c (init_tree_optimization_passes): Schedule
3055         pass_ipa_cp.
3056         * tree-pass.h (pass_ipa_cp): Declare.
3057
3058 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
3059
3060         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
3061         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
3062         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
3063         config/i386/i386.c, config/mips/mips.h,
3064         config/rs6000/rs6000.h, config/sh/sh.c,
3065         config/stormy16/stormy16.c: Fix comment typos.
3066
3067 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
3068
3069         PR c/22311
3070         * c-typeck.c (build_binary_op): Use common_type wrapper on
3071         shortened types.
3072         (common_type): Update comment.
3073
3074 2005-07-31  Steven Bosscher  <stevenb@suse.de>
3075
3076         PR target/23095
3077         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
3078         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
3079         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
3080
3081 2005-07-31  Jan Hubicka  <jh@suse.cz>
3082
3083         * pretty-print.h (pp_widest_integer): New macro.
3084         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
3085         counts.
3086
3087 2005-07-31  Jan Hubicka  <jh@suse.cz>
3088
3089         * output.h (enum section_category): Export from varasm.c
3090         (categorize_decl_for_section): Likewise.
3091         * varasm.c (enum section_category): Kill.
3092         (categorize_decl_for_section): Make global.
3093         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
3094         Declare.
3095         * i386.c (ix86_section_threshold): New static variable.
3096         (ix86_in_large_data_p, ix86_encode_section_info,
3097         x86_64_elf_unique_section,
3098         x86_64_elf_select_section): New functions.
3099         (TARGET_ENCODE_SECTION_INFO): Define
3100         (override_options): Enable medium model for PIC.
3101         (ix86_expand_prologue): Expand gen_set_got_rex64.
3102         (legitimate_constant_p): Handle new UNSPECs.
3103         (legitimate_pic_address_disp_p): Likewise.
3104         (legitimize_pic_address): Lower MEDIUM model addressing.
3105         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
3106         (enum cmodel): Add MEDIUM_PIC.
3107         (SYMBOL_REF_FAR_ADDR_P): New macro.
3108         (SYMBOL_FLAG_FAR_ADDR): New flag.
3109         * i386.md (movdi): Support medium model.
3110         (set_got_rex64): New pattern.
3111         * i386.opt (mlarge-data-threshold): New flag.
3112         * predicates.md (zext_operand/sext_operand): Deal with medium model.
3113         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
3114         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
3115         TARGET_ASM_UNIQUE_SECTION): New.
3116
3117         * invoke.texi (-mlarge_data_threshold): Document
3118
3119 2005-07-31  Jan Hubicka  <jh@suse.cz>
3120
3121         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
3122         (coalesce_vars): Likewise.
3123         * tree-ssa-live.c (coalesce_cost): New.
3124         (build_tree_conflict_graph): Use coalesce_cost.
3125         * tree-ssa-live.h (coalesce_cost): Declare.
3126
3127 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
3128
3129         * arm.md (all peepholes for post-increment operations): Delete.
3130         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
3131         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
3132         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
3133         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
3134         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
3135
3136 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
3137
3138         * fold-const.c (tree_expr_nonnegative_p): Always return true for
3139         non-integral types.
3140
3141 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
3142
3143         PR target/22582
3144         * doc/invoke.texi: Document -rdynamic.
3145
3146 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
3147
3148         PR c/23143
3149         * c-parser.c (c_parser_parms_list_declarator): Call
3150         mark_forward_parm_decls.
3151         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
3152         decls with visibility structure.
3153
3154 2005-07-30  Paul Brook  <paul@codesourcery.com>
3155
3156         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
3157
3158 2005-07-30  Paul Brook  <paul@codesourcery.com>
3159
3160         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
3161         prototype.
3162         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
3163         value for mode.
3164         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
3165
3166 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3167
3168         PR c/529
3169         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
3170         nested function declarators.
3171         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
3172         (grokparms): Call warn_if_shadowing for parameters used within the
3173         parameter list.
3174         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
3175         not used within the parameter list.
3176         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
3177
3178 2005-07-30  Jan Hubicka  <jh@suse.cz>
3179
3180         * expr.c (expand_expr_real_1): Do not load mem targets into register.
3181         * i386.c (ix86_fixup_binary_operands): Likewise.
3182         (ix86_expand_unary_operator): Likewise.
3183         (ix86_expand_fp_absneg_operator): Likewise.
3184         * optabs.c (expand_vec_cond_expr): Validate dest.
3185
3186 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3187
3188         PR c/21720
3189         * real.c (real_from_string): Also set last bit if there is a
3190         nonzero hex digit beyond GCC's internal precision after ".".
3191
3192 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
3193
3194         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
3195         define_constants.  Change duplicate values to unassigned numbers.
3196         Change UNSPEC_SUBS to UNSPEC_VSUBS.
3197         (*altivec_vspltsf): New.
3198         (altivec_vperm_v4sf): Delete.
3199         (altivec_vperm_<mode>): Use mode macro V.
3200         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
3201         (altivec_predicate_v4sf): Delete.
3202         (altivec_predicate_<mode>): Use mode macro V.
3203         (*altivec_lvesfx): New.
3204         (*altivec_stvesfx): New.
3205         (vec_realign_load_v4sf): Delete.
3206         (vec_realign_load_<mode>): Use mode macro V.
3207         * config/rs6000/rs6000.c (generate_set_vrsave): Use
3208         UNSPECV_SET_VRSAVE.
3209
3210 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
3211
3212         PR bootstrap/23131
3213         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
3214         string.
3215         * configure: Regenerated.
3216
3217 2005-07-29  Paul Brook  <paul@codesourcery.com>
3218
3219         * doc/install.texi: Add link to GFortran binaries wiki page.
3220
3221 2005-07-29  David Ung  <davidu@mips.com>
3222
3223         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
3224         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
3225         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
3226         * config/mips/mips.md (cpu): Add 5kf name.
3227         (includes): Includes 5k.md.
3228         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
3229         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
3230         -march flag.
3231
3232 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
3233
3234         PR 22550
3235         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
3236         (cleanup_tree_cfg): ... here.
3237         Call cleanup_tree_cfg_1 until there are no more cleanups to
3238         do.
3239
3240 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
3241
3242         * tree-vrp.c (compare_range_with_value): Return true or false
3243         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
3244         EQ_EXPR respectively.
3245
3246 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
3247
3248         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
3249         Fix comment typos.
3250
3251 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
3252
3253         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
3254         (tree_ssa_dominator_optimize): Increment it.
3255         (dump_dominator_optimization_stats): Print it.
3256
3257 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
3258             Steven Bosscher  <stevenb@suse.de>
3259
3260         PR rtl-optimization/23117
3261         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
3262         when head == tail.  Tidy comment.
3263
3264 2005-07-28  Richard Henderson  <rth@redhat.com>
3265
3266         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
3267         * cselib.c (rtx_equal_for_cselib_p): Likewise.
3268         * jump.c (rtx_renumbered_equal_p): Likewise.
3269         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
3270         CONST_INT and CONST_DOUBLE.
3271         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
3272         * reload.c (operands_match_p): Special case CONST_INT and
3273         CONST_DOUBLE; check mode earlier.
3274
3275 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3276
3277         PR c/22240
3278         * c-typeck.c (convert_for_assignment): Do not check
3279         DECL_IN_SYSTEM_HEADER on NULL fundecl.
3280
3281 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3282
3283         PR c/22192
3284         * c-typeck.c (composite_type): Prefer constant size arrays to
3285         VLAs.
3286
3287 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3288
3289         PR c/21720
3290         * real.c (real_from_string): Set last bit if there is a nonzero
3291         hex digit beyond GCC's internal precision.
3292
3293 2005-07-28  Richard Henderson  <rth@redhat.com>
3294
3295         PR rtl-opt/22619
3296         * cfgcleanup.c (try_forward_edges): Watch out for end of
3297         insn chain.
3298
3299 2005-07-28  James E Wilson  <wilson@specifixinc.com>
3300
3301         PR c/23106
3302         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3303
3304 2005-07-28  Jan Hubicka  <jh@suse.cz>
3305
3306         * Makefile.in (rtl-profile.o): Kill all traces of it.
3307         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
3308         * coverage.h (rtl_coverage_counter_ref): Kill.
3309         * opts.c (flag_speculative_prefetching_set): Kill.
3310         (flag_loop_optimize_set): New.
3311         (common_handle_option): Disable loop optimizer when profiling;
3312         do not handle speculative prefetching.
3313         * passes.c (init_optimization_passes): Replace pass_profiling combo
3314         by branch_prob pass.
3315         * profile.c (compute_value_histograms): Update for simplified value
3316         profiles.
3317         (rtl_register_profile_hooks): Kill.
3318         (pass_profiling): Kill.
3319         (rest_of_handle_branch_prob): Do not profile.
3320         * toplev.c (process_options): Remove speculative prefetching.
3321         * toplev.h (flag_tree_based_profiling): Kill.
3322         * tree-profile.c (prepare_instrumented_value,
3323         tree_gen_interval_profiler, tree_gen_pow2_profiler,
3324         tree_gen_one_value_profiler, do_tree_profiling): Update for
3325         simplified datastructures.
3326         * value-prof.c: Add comment that speculative prefetching was dropped;
3327         update rest of file for simplified datastructures.
3328         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
3329         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
3330         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
3331         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
3332         rtl_mod_subtract, gen_speculative_prefetch,
3333         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
3334         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
3335         (gate_handle_value_profile_transformations,
3336         rest_of_handle_value_profile_transformations,
3337         pass_value_profile_transformations): Kill.
3338         * value-prof.h (histogram_value_t): Remove IL based unions.
3339         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
3340         rtl_profile_hooks): Remove hooks.
3341
3342         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
3343
3344         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
3345         (cgraph_clone_node): Likewise.
3346         * cgraph.h (cgraph_clone_edge): Update prototype.
3347         (cgraph_clone_node): Likewise.
3348         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
3349         cgraph_clone_node.
3350         (lookup_recursive_calls): Consider profile.
3351         (cgraph_decide_recursive_inlining): Fix updating; use new
3352         probability argument; use profile.
3353         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
3354         * tree-inline.c (copy_bb): Update clal of clone_edge.
3355         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
3356
3357         * invoke.texi (min-inline-recursive-probability): Document.
3358
3359 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
3360
3361         * doc/install.texi (Configuration): Update Valgrind homepage.
3362
3363 2005-07-28  Richard Henderson  <rth@redhat.com>
3364
3365         PR middle-end/21362
3366         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
3367         labels we want to delete.
3368         (cfg_layout_merge_blocks): Likewise.
3369
3370 2005-07-28  Richard Henderson  <rth@redhat.com>
3371
3372         PR target/17692
3373         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
3374         when expanding to nothing.
3375
3376 2005-07-28  Josh Conner  <jconner@apple.com>
3377
3378         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
3379         (cgraph_decide_inlining_of_small_functions): Likewise.
3380
3381 2005-07-28  Josh Conner  <jconner@apple.com>
3382
3383         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
3384         direction of badness if negative.
3385         (cgraph_default_inline_p): Add reason to parameters, and assign it
3386         a value.
3387         (cgraph_decide_inlining_of_small_functions): New parameter in call
3388         to cgraph_default_inline_p.
3389         (cgraph_decide_inlining_incrementally): Likewise.
3390         * cgraphunit.c (decide_is_function_needed): Likewise.
3391         * cgraph.h (cgraph_default_inline_p): Likewise.
3392
3393 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3394
3395         * builtins.c: Fix comment typo(s).
3396         * genautomata.c: Likewise.
3397         * gimplify.c: Likewise.
3398         * tree-dfa.c: Likewise.
3399         * tree-flow-inline.h: Likewise.
3400         * tree-into-ssa.c: Likewise.
3401         * tree-ssa-alias.c: Likewise.
3402         * tree-ssa-ccp.c: Likewise.
3403         * tree-ssa-copy.c: Likewise.
3404         * tree-ssa-dce.c: Likewise.
3405         * tree-ssa-dom.c: Likewise.
3406         * tree-ssa-operands.c: Likewise.
3407         * tree-tailcall.c: Likewise.
3408         * tree-vectorizer.c: Likewise.
3409         * tree-vrp.c: Likewise.
3410         * tree.c: Likewise.
3411
3412 2005-07-28  Jeff Law  <law@redhat.com>
3413
3414         * tree-vrp.c (test_for_singularity): Extracted from  ...
3415         (simplify_cond_using_ranges): Attempt to simplify a relational
3416         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
3417
3418 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
3419
3420         PR tree-optimization/22506
3421         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
3422         phis whose argument is constant.
3423
3424 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
3425
3426         PR rtl-optimization/18992
3427         Back out this patch:
3428           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3429           PR optimization/12142
3430           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
3431           uses of the register in the SET_SRC.  Remove unnecessary argument.
3432
3433         Replace it with this:
3434         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
3435         if flag_non_call_exceptions is set and the insn may trap, pass
3436         pc_rtx as dest for recursion.
3437         In SET_SRC part of SET case, if dest is already set, pass it down
3438         unchanged.
3439
3440 2005-07-28  Jan Hubicka  <jh@suse.cz>
3441
3442         * cfg.c (update_bb_profile_for_threading): Use RDIV.
3443         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
3444         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
3445         roundoff errors.
3446         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
3447         profile when available.
3448
3449 2005-07-28  Jan Beulich <jbeulich@novell.com>
3450
3451         * config/ia64/ia64.c (ia64_load_pair_ok): New.
3452         (ia64_print_operand): Describe and handle 'X'.
3453         (ia64_register_move_cost): Also handle FP_REGS.
3454         (ia64_preferred_reload_class): Likewise.
3455         (ia64_secondary_reload_class): Likewise.
3456         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
3457         it. Also check for ITANIUM_CLASS_FLDP.
3458         * config/ia64/ia64.h (FP_REGNO_P): New.
3459         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
3460         (reg_class): Add FP_REGS.
3461         (REG_CLASS_NAMES): Adjust for it.
3462         (REG_CLASS_CONTENTS): Likewise.
3463         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
3464         (REG_CLASS_FROM_LETTER): Handle 'x'.
3465         (CLASS_MAX_NREGS): Handle FP_REGS.
3466         (MEMORY_MOVE_COST): Likewise.
3467         * config/ia64/ia64.md (itanium_class): Add fldp.
3468         (type): Handle fldp.
3469         (movti_internal): More allowable operand combinations. Use ldfp8 when
3470         splitting unnecessary. Remove predicable attribute. Adjust
3471         itanium_class attribute.
3472         (smuldi3_highpart): Remove outdated comment.
3473         (mulditi3, umulditi3, rotlti3): New expanders.
3474         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
3475         (absti2): Disabled new insn for future reference.
3476         Respective new splitters.
3477         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
3478         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
3479         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
3480
3481 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
3482
3483         PR rtl-optimization/23047
3484         * simplify-rtx.c (simplify_const_relational_operation): Respect
3485         flag_wrapv for comparisons with ABS.
3486
3487 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
3488
3489         PR tree-optimization/22493
3490         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
3491         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
3492
3493 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
3494
3495         * config/frv/frv.opt (moptimize-membar): New.
3496
3497         * doc/invoke.texi: Document -moptimize-membar and its inverse.
3498
3499         * config/frv/frv.h: Remove machine_function definition.
3500
3501         * config/frv/frv.c (struct frv_io): New.
3502         (struct machine_function): Moved from frv.h.  Add has_membar_p.
3503         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
3504         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
3505         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
3506         (frv_optimize_membar_global, frv_optimize_membar): New functions.
3507         (frv_reorg): Call frv_optimize_membar when appropriate.
3508         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
3509         (frv_expand_builtin): Adjust calls accordingly.
3510         (frv_io_address_cookie): New function.
3511         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
3512         load or store rather than a special insn.  Add ccnstant address and
3513         io-type operands to the membar.
3514         (frv_ifcvt_modify_tests): Unsign regno.
3515         (frv_ifcvt_modify_tests): Same.
3516
3517         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
3518         UNSPEC_OPTIONAL_MEMBAR constant.
3519         (builtin_read_<mode>): Delete.
3520         (builtin_write_<mode>): Delete.
3521         ("optional_membar_<mode>"): Add operand.
3522
3523         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
3524         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
3525         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
3526         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
3527         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
3528         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
3529         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
3530         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
3531         * testsuite/gcc.target/frv/all-read-write-1.c: New.
3532
3533 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3534
3535         * df.c (df_uses_record): Handle SCRATCH.
3536
3537 2005-07-28  Steven Bosscher  <stevenb@suse.de>
3538
3539         PR debug/20161
3540         * passes.c (rest_of_decl_compilation): If decl is a type and
3541         we have encountered errors, don't emit debug information.
3542
3543 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
3544
3545         * params.def: Fixed comment.
3546
3547 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
3548
3549         PR target/19885
3550         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
3551         (TARGET_ASM_UNALIGNED_HI_OP): Add.
3552         (TARGET_ASM_UNALIGNED_SI_OP): Add.
3553
3554 2005-07-27  Steven Bosscher  <stevenb@suse.de>
3555
3556         PR c++/22003
3557         * varasm.c (assemble_start_function): Don't do anything that may
3558         require a CFG if the current function is a thunk.
3559
3560 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
3561
3562         * doc/install.texi (Prerequisites): Mention that perl is needed
3563         to do export control in libstdc++ targetting Darwin.
3564
3565 2005-07-27  Steven Bosscher  <stevenb@suse.de>
3566
3567         PR rtl-optimization/17808
3568         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
3569         (sched_insns_conditions_mutex_p): Split out from...
3570         (add_dependence): ...here.  But don't call it from here.
3571         (add_dependence_list): Check sched_insns_conditions_mutex_p
3572         before calling add_dependence.
3573         (add_dependence_list_and_free): Likewise.
3574         (fixup_sched_groups): Likewise.
3575         (sched_analyze_1): Likewise.
3576         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
3577         (sched_analyze): Likewise.
3578         (sched_analyze_insn): Likewise.
3579         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
3580         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
3581         dependencies on all COND_EXEC insns to jumps ending basic blocks
3582         when doing intrablock scheduling.
3583         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
3584
3585 2005-07-27  Jeff Law  <law@redhat.com>
3586
3587         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
3588         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
3589         equivalency sets, correctly handle the case were vr0 has an
3590         equivalency set, but vr1 does not.
3591
3592 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
3593
3594         PR tree-optimization/23073
3595         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
3596         vect_print_dump_info before fprintf.
3597
3598 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3599
3600         PR tree-optimize/22348
3601         * tree-ssa-loop-niter.c (number_of_iterations_cond):
3602         Fold the partial computation.
3603
3604 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3605
3606         PR tree-optimization/22325
3607         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
3608         Declare.
3609         * tree-scalar-evolution.c (scev_const_prop): Add generic final
3610         value replacement.
3611         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
3612         (force_var_cost): ... this function.
3613         (compute_phi_arg_on_exit): Export.
3614
3615 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3616
3617         PR tree-optimization/20773
3618         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
3619         edge.
3620
3621 2005-07-27  Richard Guenther  <rguenther@suse.de>
3622
3623         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
3624         Avoid pushing again if current struct contains only
3625         fields we decomposed.
3626
3627 2005-07-27  Jan Hubicka  <jh@suse.cz>
3628
3629         PR tree-optimization/22574
3630         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
3631         not available.
3632
3633         * tree-tailcall.c (decrease_profile): New function.
3634         (eliminate_tail_call): Use it.
3635
3636         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
3637         visibility flags correctly in whole program mode.
3638
3639 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
3640
3641         PR rtl-optimization/22472
3642         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
3643
3644 2005-07-26  Steven Bosscher  <stevenb@suse.de>
3645
3646         PR tree-optimization/22504
3647         * tree-complex.c (expand_complex_addition): Use 'code' instead
3648         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
3649
3650 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
3651
3652         * config.gcc (cpu_type): Add frv case.
3653         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
3654         (supported_defaults): Add fr550 case.
3655
3656 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
3657
3658         PR 22591
3659         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
3660         whether a pointer of type T * may point to objects of type T *.
3661
3662 2005-07-26  DJ Delorie  <dj@redhat.com>
3663
3664         * configure: Regenerate.
3665
3666 2005-07-26  Dale Johannesen  <dalej@apple.com>
3667
3668         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
3669
3670 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
3671
3672         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
3673         Clarify use of "build" in name.
3674
3675 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
3676
3677         * doc/extend.texi (Raw read/write Functions): New section.
3678         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
3679         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
3680         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
3681         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
3682         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
3683         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
3684         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
3685         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
3686         * config/frv/frv.c: Add bdesc_loads global.
3687         Add bdesc_stores global.
3688         (frv_init_builtins): Add support for __builtin_{read/write}*.
3689         (frv_volatile_memref): New.
3690         (frv_expand_load_builtin): New.
3691         (frv_expand_store_builtin): New.
3692         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
3693         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
3694         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
3695         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
3696         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
3697         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
3698         (builtin_read_<mode>): New.
3699         (builtin_write_<mode>): New.
3700         (builtin_write64): New.
3701         (optional_membar_<mode>): New.
3702
3703 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
3704
3705         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
3706         (rather than units) against HOST_BITS_PER_WIDE_INT.
3707
3708 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
3709
3710         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
3711         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
3712         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
3713         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
3714         FSF address.
3715
3716         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
3717         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
3718         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
3719         comment typos.
3720         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
3721
3722 2005-07-26  Richard Guenther  <rguenther@suse.de>
3723
3724         PR tree-optimization/22486
3725         * fold-const.c (fold_unary): Fold away useless component
3726         references of the form (T *)&T.x, if the address
3727         doesn't change.
3728
3729 2005-07-25  James E Wilson  <wilson@specifixinc.com>
3730
3731         * dwarf2out.c (add_call_src_coords_attributes): New.
3732         (gen_inlined_subroutine_die): Call it.
3733         (maybe_emit_file, init_file_table): Add comments.
3734         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
3735         maybe_emit_file.
3736         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
3737         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
3738         * tree.h (BLOCK_SOURCE_LOCATION): New.
3739         (struct tree_block): New field locus.
3740
3741 2005-07-26  Andreas Schwab  <schwab@suse.de>
3742
3743         PR rtl-optimization/23043
3744         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
3745         when allocating a struct unoccr.
3746
3747 2005-07-25  Richard Henderson  <rth@redhat.com>
3748
3749         PR 22626
3750         * tree-complex.c (gate_no_optimization): True if errors.
3751         * Makefile.in (tree-complex.o): Update dependencies.
3752
3753 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
3754
3755         * config/frv/predicates.md (integer_register_operand): Use
3756         GPR_AP_OR_PSEUDO_P.
3757
3758 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
3759
3760         PR tree-opt/22484
3761         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
3762         after fold.
3763         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
3764
3765 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
3766
3767         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
3768         types when flag_unsafe_math_optimizations is true.
3769
3770 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
3771
3772         * gcc.c (option_map): Add --sysroot.
3773         (process_command): Handle --sysroot.
3774         (display_help): Document it.
3775         * doc/cppopts.tex (-isysroot): Document.
3776         * doc/invoke.texi (--sysroot): Document.
3777         * doc/install.texi (--with-build-sysroot): Document.
3778
3779         * Makefile.in (inhibit_libc): New variable.
3780         (INHIBIT_LIBC_CFLAGS): Likewise.
3781         (LIBGCC2_CFLAGS): Include
3782         $(INHIBIT_LIBC_CFLAGS).
3783         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
3784         ($(T)crtbegin.o): Do not use @inhibit_libc@.
3785         ($(T)crtend.o): Likewise.
3786         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
3787         ($(T)crtendS.o): Likewise.
3788         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
3789         ($(T)crtendT.o): Likewise.
3790         (stmp-fixinc): Do not complain about missing headers if
3791         inhibit_libc.
3792         * configure.ac (inhibit_libc): Set it to true/false.
3793         (--with-build-sysroot): New option.  Use it to set
3794         SYSTEM_HEADER_DIR.
3795         * configure: Regenerated.
3796
3797 2005-07-25  Manfred Hollstein  <mh@suse.com>
3798
3799         * calls.c (store_one_arg): Fix unsigned comparison warning.
3800
3801 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
3802
3803         PR other/22337
3804         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
3805         (ggc_print_statistics): Initialize variable before use.
3806
3807 2005-07-25  Richard Guenther  <rguenther@suse.de>
3808
3809         * tree-dfa.c (mark_new_vars_to_rename): Protect against
3810         calling with a PHI_NODE argument.
3811
3812         * tree-flow-inline.h (overlap_subvar): Protect against
3813         possible overflow.
3814
3815 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
3816
3817         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
3818         * configure: Regenerate.
3819
3820 2005-07-25  Ira Rosen  <irar@il.ibm.com>
3821
3822         * expr.c (highest_pow2_factor): Make extern.
3823         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
3824         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
3825         record_array_differ_p, array_ptr_differ_p): Likewise.
3826         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
3827         additional cases. Call the above functions.
3828         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
3829         base_object_differ_p when there are two base objects. Otherwise, compare
3830         base address and offset. Call may_alias_p.
3831         (dump_data_reference): Use a correct field name.
3832         (analyze_array): Make static. Initialize new data-ref fields.
3833         (analyze_indirect_ref): New function.
3834         (init_data_ref): Initialize new data-ref fields.
3835         (strip_conversion): Moved from tree-vect-analyze.c.
3836         (analyze_offset_expr, get_ptr_offset, address_analysis,
3837         object_analysis): Likewise.
3838         (analyze_offset): New function.
3839         (create_data_ref): Likewise.
3840         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
3841         dimensions for ARRAY_REFs only.
3842         (build_classic_dist_vector): Make static.
3843         (access_functions_are_affine_or_constant_p): Call macro to get the
3844         address of access functions.
3845         (compute_all_dependences): Add new parameter
3846         compute_self_and_read_read_dependences. Compute self and read-read
3847         dependences if it is true.
3848         (find_data_references_in_loop): Call create_data_ref. Initialize new
3849         data-ref fields.
3850         (compute_data_dependences_for_loop): Add new parameter
3851         compute_self_and_read_read_dependences. Remove parameter nb_loops,
3852         compute nb_loops. Call compute_all_dependences,
3853         build_classic_dist_vector and build_classic_dir_vector with correct
3854         parameters.
3855         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
3856         with correct parameters. Compare dimensions for ARRAY_REFs only.
3857         (free_data_refs): Call macro to free access functions.
3858         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
3859         fields from stmt_vinfo.
3860         (struct base_object_info): New structure.
3861         (struct data_reference): Move fields to base_object_info. Add fields
3862         first_location and object_info for above structures. Move fields from
3863         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
3864         aligned_to.  Add macros to access the new fields.
3865         Update functions declarations.
3866         * tree-flow.h (is_aliased_with): Declare.
3867         * tree-loop-linear.c (linear_transform_loops): Call
3868         compute_data_dependences_for_loop with correct parameters.
3869         * tree-ssa-alias.c (is_aliased_with): New function.
3870         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
3871         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
3872         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
3873         vect_base_addr_differ_p, compute_subscript_distance and
3874         build_classic_dist_vector. Add printings. Check absolute value of
3875         distance.
3876         (vect_analyze_data_ref_dependences): Go through ddrs instead of
3877         data-refs.
3878         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
3879         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
3880         to bytes. Add printing.
3881         (vect_compute_data_refs_alignment): Go through loads and stores in one
3882         loop.
3883         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
3884         vect_analyze_data_ref_access): Likewise.
3885         (vect_analyze_pointer_ref_access): Remove.
3886         (vect_address_analysis, vect_object_analysis): Likewise.
3887         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
3888         and analyze data-refs in the loop.
3889         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
3890         fields of data-ref instead of stmt. Add init to the offset from the
3891         base.
3892         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
3893         (vect_update_init_of_dr): Likewise.
3894         (vect_update_inits_of_drs): Go through loads and stores in one loop.
3895         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
3896         removed fields.
3897         (new_loop_vec_info): Initialize new fields.
3898         (destroy_loop_vec_info): Free new fields.
3899         (vect_strip_conversion): Remove.
3900         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
3901         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
3902         datarefs. Add new field ddrs.
3903         Add macros for the new fields access.
3904         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
3905         base_aligned_p, misalignment, memtag, ptr_info and subvars.
3906         Remove their macros.
3907         * tree.h (highest_pow2_factor): Declare.
3908
3909 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
3910
3911         * calls.c (store_one_arg): Check for sibling call MEM arguments
3912         from already clobbered incoming argument area.
3913
3914 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3915
3916         * c-common.c (check_missing_format_attribute): New.
3917         * c-common.h (check_missing_format_attribute): Likewise.
3918         * c-typeck.c (convert_for_assignment): Use it.
3919
3920 2005-07-24  Andreas Schwab  <schwab@suse.de>
3921
3922         * config/m68k/m68k.md ("extendqidi2"): When source is an address
3923         register use a word move.  Correct operand of ext.w in 68000 code.
3924
3925 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
3926
3927         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
3928         variables as declarations, rather than definitions.
3929
3930 2005-07-24  Ira Rosen  <irar@il.ibm.com>
3931
3932         PR tree-optimization/22526
3933         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
3934         of the zero node.
3935
3936 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3937
3938         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
3939         that C99 reserve for future use. Use it to define clog10,
3940         clog10f and clog10l.
3941
3942 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3943
3944         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
3945         * configure.ac: Check for -Wmissing-format-attribute.
3946
3947         * configure: Regenerate.
3948
3949 2005-07-23  Richard Henderson  <rth@redhat.com>
3950
3951         PR tree-optimization/22623
3952         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
3953
3954 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
3955
3956         PR target/22577
3957         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
3958
3959 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3960
3961         * Makefile.in (C_TREE_H): Update dependencies.
3962         * c-tree.h: Include toplev.h.
3963         * diagnostic.h (diagnostic_set_info): Add format attribute.
3964         * rtl-error.c (diagnostic_for_asm): Likewise.
3965
3966 2005-07-23  Chao-ying Fu  <fu@mips.com>
3967
3968         * config/mips/mips-dsp.md: New file.
3969         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
3970         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
3971         functions.
3972         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
3973         MIPS_BUILTIN_BPOSGE32.
3974         (mips_expand_builtin_direct): Add one parameter to indicate that
3975         builtin functions need to return a value.
3976         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
3977         functions.
3978         (mips_regno_to_class): Add classes for 12 new DSP registers.
3979         (mips_subword): Change to check four HI registers.
3980         (mips_output_move): Output move to and from 6 new DSP accumulators.
3981         (override_options): Make sure -mdsp and -mips16 are not used together.
3982         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
3983         for machine modes.
3984         (mips_conditional_register_usage): Disable 6 new DSP accumulators
3985         when !TARGET_DSP.
3986         (print_operand): Add 'q' for printing DSP accumulators.
3987         (mips_cannot_change_mode_class): Check ACC_REGS.
3988         (mips_secondary_reload_class): Check ACC_REGS.
3989         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
3990         (mips_register_move_cost): Check ACC_REGS.
3991         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
3992         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
3993         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
3994         (dsp_bdesc): New array.
3995         (bdesc_arrays): Add DSP builtin function table.
3996         (mips_prepare_builtin_arg): Check predicate again after
3997         copy_to_mode_reg.
3998         (mips_expand_builtin): Add one more parameter to
3999         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
4000         MIPS_BUILTIN_BPOSGE32.
4001         (mips_init_builtins): Initialize new function types.
4002         (mips_expand_builtin_direct): Check if builtin functions need to
4003         return a value and pass operands properly.
4004         (mips_expand_builtin_bposge): New function.
4005         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
4006         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
4007         (FIRST_PSEUDO_REGISTER): Increase to 188.
4008         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4009         Update for 12 new DSP registers.
4010         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
4011         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
4012         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
4013         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
4014         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
4015         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
4016         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
4017         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
4018         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
4019         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
4020         (REGISTER_NAMES): Add names for 12 new DSP registers.
4021         * config/mips/mips.md: Include mips-dsp.md.
4022         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
4023         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
4024         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
4025         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
4026         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
4027         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
4028         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
4029         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
4030         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
4031         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
4032         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
4033         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
4034         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
4035         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
4036         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
4037         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
4038         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
4039         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
4040         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
4041         (UNSPEC_RDDSP): New constants.
4042         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
4043         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
4044         A<-d alternative.
4045         * config/mips/mips.opt (-mdsp): New option.
4046         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
4047         (reg_imm10_operand): New predicates.
4048         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
4049         * doc/invoke.texi (-mdsp): Document new option.
4050
4051 2005-07-22  DJ Delorie  <dj@redhat.com>
4052
4053         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
4054         to warning calls.
4055         * tree-inline.c (inlinable_function_p): Likewise.
4056
4057 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
4058
4059         PR debug/21828
4060         * toplev.c (check_global_declarations): Do not mark undefined
4061         variables as DECL_IGNORED_P.
4062         * varasm.c (first_global_object_name): GTY it.
4063         (weak_global_object_name): Likewise.
4064         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
4065         a string to go into {weak,first}_global_object_name.
4066
4067 2005-07-22  DJ Delorie  <dj@redhat.com>
4068
4069         * c-format.c (check_function_format): Change warning control
4070         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
4071
4072 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
4073
4074         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
4075         &PTR->FLD a dereference of PTR.
4076         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
4077         a potential dereference of PTR.
4078
4079 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
4080
4081         PR rtl-optimization/20370
4082         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
4083         call allocate_reg_info if necessary.
4084
4085         PR rtl-optimization/21848
4086         * calls.c (emit_library_call_value_1): For const functions, add
4087         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
4088
4089         PR rtl-optimization/22445
4090         * cselib.c (target.h): Include.
4091         (rtx_equal_for_cselib_p): Allow commutative matches.
4092         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
4093         Remove MODE parameter.  Changed all callers.
4094
4095         PR rtl-optimization/22258
4096         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
4097         New functions.
4098         (try_combine): Use likely_spilled_retval_p.
4099
4100 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
4101
4102         * config.gcc: Add crx-elf support.
4103
4104         * doc/contrib.texi: Mention crx.
4105         * doc/extend.texi: Document crx extensions.
4106         * doc/install.texi: Document crx install.
4107         * doc/invoke.texi: Document crx options.
4108         * doc/md.texi: Document crx constraints.
4109
4110         * config/crx/crx-protos.h: New file.
4111         * config/crx/crx.c: New file.
4112         * config/crx/crx.h: New file.
4113         * config/crx/crx.md: New file.
4114         * config/crx/crx.opt: New file.
4115         * config/crx/t-crx: New file.
4116
4117 2005-07-22  Manfred Hollstein  <mh@suse.com>
4118
4119         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
4120         warnings.
4121         (int_add_graph_edge): Likewise.
4122         (collapse_nodes): Likewise.
4123         (process_unification_queue): Likewise.
4124
4125 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4126             Laurent GUERBY  <laurent@guerby.net>
4127
4128         PR tree-optimization/22336
4129         * function.c (record_block_change): Check for
4130         cfun->ib_boundaries_block.
4131
4132 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
4133
4134         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
4135         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
4136
4137 2005-07-21  DJ Delorie  <dj@redhat.com>
4138
4139         * toplev.c (warn_deprecated_use): Add warning control to warning
4140         call.
4141         * c-typeck.c (parser_build_binary_op): Likewise.
4142         (c_finish_if_stmt): Likewise.
4143         * c-common.c (check_function_sentinel): Likewise.
4144         (check_nonnull_arg): Likewise.
4145
4146 2005-07-21  Richard Henderson  <rth@redhat.com>
4147
4148         PR tree-opt/22504
4149         * tree-complex.c (complex_ssa_name_components): New.
4150         (cvc_lookup): Allow entry not found.
4151         (create_components): Remove.
4152         (create_one_component_var, get_component_var): New.
4153         (get_component_ssa_name, set_component_ssa_name): New.
4154         (extract_component): Use get_component_ssa_name.
4155         (update_complex_components): Use set_component_ssa_name.
4156         (update_complex_components_on_edge): Likewise.
4157         (update_phi_components): Create new PHI nodes directly, instead
4158         of adding insns to edges.
4159         (tree_lower_complex): Allocate and free complex_variable_components
4160         and complex_ssa_name_components here.
4161
4162 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
4163
4164         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
4165         revert to returning false.
4166
4167 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
4168
4169         PR target/21149
4170         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
4171
4172 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
4173
4174         PR target/22576
4175         * config/i386/i386.md (cmpxf): Change operand constraints
4176         to "nonmemory_operand".
4177
4178 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4179
4180         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
4181
4182 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4183
4184         PR middle-end/21180
4185         * fold-const.c (fold_build1): Add checksum for the operands.
4186         (fold_build2): Likewise.
4187         (fold_build3): Likewise.
4188
4189 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4190
4191         PR middle-end/19055
4192         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
4193
4194 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4195
4196         * common.opt (-fforward-propagate): Committed by mistake,
4197         removed.
4198
4199 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4200
4201         * reg-stack.c: Fix comment typo(s).
4202         * tree-ssa-operands.c: Likewise.
4203         * tree-vectorizer: Likewise.
4204
4205 2005-07-21  Nick Clifton  <nickc@redhat.com>
4206
4207         * config/sh/symbian.c: Replace C++ style line comments with C
4208         style line comments.
4209         (symbian_add_attribute): Do not use a ? operator on the LHS of
4210         an assignment.
4211         (sh_symbian_handle_dll_attribute): Change the type of the
4212         method vector to "VEC(tree,gc)*" and use vector accessor
4213         macros to walk over the elements.
4214         (symbian_export_vtable_and_rtti_p): Likewise.
4215         (symbian_class_needs_attribute_p): Likewise.
4216
4217 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4218
4219         PR target/22085
4220         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
4221         initialize targetm.resolve_overloaded_builtin here.
4222         (altivec_expand_overloaded_builtin): Make it non-static.
4223         * config/rs6000/rs6000-protos.h
4224         (altivec_expand_overloaded_builtin): New prototype.
4225         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
4226         targetm.resolve_overloaded_builtin here.
4227         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
4228
4229 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4230             Zdenek Dvorak  <dvorakz@suse.cz>
4231
4232         PR tree-optimization/19210
4233         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
4234         New.
4235         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
4236         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
4237         rely on unproven assumptions.
4238         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
4239         * tree-flow.h (number_of_iterations_exit): Add final parameter.
4240         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
4241         to number_of_iterations_exit.
4242         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
4243         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
4244         * tree-ssa-loop-niter.c (find_loop_niter,
4245         estimate_numbers_of_iterations_loop): Likewise.
4246         (number_of_iterations_exit): Honor the new options.
4247         * doc/invoke.texi (Wunsafe-loop-optimizations,
4248         funsafe-loop-optimizations): Document them.
4249
4250 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
4251
4252         PR rtl-optimization/22167
4253         * gcse.c (hoist_code): Fix hoist_exprs[] check.
4254
4255 2005-07-20  Adam Nemet  <anemet@lnxw.com>
4256
4257         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
4258         __do_global_dtors_aux longcall.
4259
4260 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
4261
4262         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
4263         (old_special_pred_table): Don't reference
4264         SPECIAL_MODE_PREDICATES.
4265         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
4266         * config/arc/arc.h: Don't mention PREDICATE_CODES.
4267         * config/sh/predicates.h: Don't mention
4268         SPECIAL_MODE_PREDICATES.
4269         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
4270         Remove.
4271
4272 2005-07-20  DJ Delorie  <dj@redhat.com>
4273
4274         * config.gcc: Add m32c-elf support.
4275
4276         * doc/contrib.texi: Mention m32c.
4277         * doc/extend.texi: Document m32c extensions.
4278         * doc/install.texi: Mention m32c.
4279         * doc/invoke.texi: Document m32c options.
4280         * doc/md.texi: Document m32c constraints.
4281
4282         * config/m32c/addsub.md: New file.
4283         * config/m32c/bitops.md: New file.
4284         * config/m32c/cond.md: New file.
4285         * config/m32c/jump.md: New file.
4286         * config/m32c/m32c-lib1.S: New file.
4287         * config/m32c/m32c-lib2.c: New file.
4288         * config/m32c/m32c-modes.def: New file.
4289         * config/m32c/m32c-pragma.c: New file.
4290         * config/m32c/m32c-protos.h: New file.
4291         * config/m32c/m32c.abi: New file.
4292         * config/m32c/m32c.c: New file.
4293         * config/m32c/m32c.h: New file.
4294         * config/m32c/m32c.md: New file.
4295         * config/m32c/m32c.opt: New file.
4296         * config/m32c/minmax.md: New file.
4297         * config/m32c/mov.md: New file.
4298         * config/m32c/muldiv.md: New file.
4299         * config/m32c/predicates.md: New file.
4300         * config/m32c/prologue.md: New file.
4301         * config/m32c/shift.md: New file.
4302         * config/m32c/t-m32c: New file.
4303
4304 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4305
4306         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4307         (stack_protect_set, stack_protect_test): New expanders.
4308         (stack_protect_set_si, stack_protect_set_si_media,
4309         stack_protect_set_di_media, stack_protect_test_si,
4310         stack_protect_test_si_media, stack_protect_test_di_media):
4311         New insns.
4312
4313 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
4314
4315         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
4316
4317 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
4318
4319         * tree.h (tree_expr_nonzero_p): Export.
4320         * fold-const.c (tree_expr_nonzero_p): Likewise.
4321         Return true for CALL_EXPRs that are alloca calls.
4322         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
4323         against zero.
4324         * tree-flow.h (expr_computes_nonzero): Remove.
4325         * tree-vrp.c (expr_computes_nonzero): Remove.
4326         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
4327         (extract_range_from_unary_expr): Likewise.
4328         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
4329         tree_expr_nonzero_p.
4330
4331 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
4332
4333         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
4334         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
4335         extra arg "picreg" and use it instead of pic_offset_table_rtx.
4336         All callers changed.
4337         (frame_related_constant_load): New arg "related" which controls
4338         setting of RTX_FRAME_RELATED_P.  All callers changed.
4339         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
4340         (bfin_expand_prologue): Add stack limit checking.
4341         * config/bfin/bfin.md (trapifcc): New pattern.
4342
4343         * config/bfin/bfin.c: Include "langhooks.h".
4344         (def_builtin): Go through lang_hooks to call builtin_function.
4345
4346         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
4347         * config/bfin/predicates.md (symbol_ref_operand): New.
4348         (call_insn_operand): Delete.  All callers changed to use
4349         register_no_elim_operand.
4350         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
4351         call_cookie field.
4352         (function_arg): Use it to generate the call's operand 2.
4353         (bfin_longcall_p): New function.
4354         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
4355         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
4356         determine if the address needs to be in a REG.
4357         (bfin_handle_longcall_attribute): New function.
4358         (bfin_attribute_table): Add "longcall" and "shortcall".
4359         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
4360         (CUMULATIVE_ARGS): New member call_cookie.
4361         (PREDICATE_CODES): Add symbol_ref_operand.
4362         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
4363         extra USE to the pattern.
4364         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
4365         New patterns, split off call_insn, sibcall_insn, call_value_insn and
4366         sibcall_value_insn; now the new patterns handle direct calls and the
4367         old ones indirect calls.
4368         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
4369
4370 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
4371
4372         * doc/trouble.texi: Update section on handling of empty loops.
4373
4374 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
4375
4376         * config.gcc: Remove support for sparc-*-openbsd*,
4377         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
4378         ns32k-*-netbsd*.
4379         * config.host: Remove support for i860-*-sysv4* as a host.
4380         * config/i860/*, config/ip2k/*, config/ns32k/*,
4381         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
4382         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
4383         mention obsolete ports.
4384
4385 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4386
4387         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
4388         soft frame pointer.
4389         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
4390         of frame_pointer_rtx.
4391         (sh_expand_epilogue): Likewise.
4392         (sh_set_return_address): Likewise.
4393         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
4394         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
4395         offsets from FRAME_POINTER_REGNUM.
4396         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
4397         (sh_register_names): Add initializer for sfp.
4398         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
4399         (VALID_REGISTER_P): Likewise.
4400         (FIRST_PSEUDO_REGISTER): Update.
4401         (DWARF_FRAME_REGISTERS): Define.
4402         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
4403         (HARD_FRAME_POINTER_REGNUM): Define.
4404         (FRAME_POINTER_REGNUM): Redefine.
4405         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
4406         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
4407         from FRAME_POINTER_REGNUM.
4408         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
4409         FRAME_POINTER_REGNUM.
4410         (REG_CLASS_CONTENTS): Add sfp.
4411         (REG_ALLOC_ORDER): Likewise.
4412         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
4413         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
4414         of frame_pointer_rtx.
4415         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
4416
4417 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
4418
4419         * fold-const.c (tree_expr_nonnegative_p): Only return true for
4420         ABS_EXPR when flag_wrapv is false because of INT_MIN.
4421         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
4422         of an ABS_EXPR.
4423         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
4424         ABS_EXPR<x>.
4425
4426 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
4427
4428         Make CONSTRUCTOR use VEC to store initializers.
4429         * c-common.c (complete_array_type): Update to cope with VEC in
4430         CONSTRUCTOR_ELTS.
4431         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
4432         (pp_c_constructor_elts): New function.
4433         * c-pretty-print.h (pp_c_constructor_elts): Declare.
4434         * c-typeck.c (build_function_call, build_c_cast, digest_init,
4435         struct constructor_stack, struct initializer_stack,
4436         constructor_elements, push_init_level, pop_init_level,
4437         add_pending_init, find_init_member, output_init_element): Update to
4438         cope with VEC in CONSTRUCTOR_ELTS.
4439         * coverage.c (build_fn_info_value, build_ctr_info_value,
4440         build_gcov_info): Likewise.
4441         * expr.c (categorize_ctor_elements_1, store_constructor,
4442         expand_expr_real_1): Likewise.
4443         * fold-const.c (fold_ternary): Likewise.
4444         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
4445         gimplify_init_constructor, gimplify_expr): Likewise.
4446         * tree-dump.c (dequeue_and_dump): Likewise.
4447         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
4448         node.
4449         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
4450         CONSTRUCTOR_ELTS.
4451         * tree-sra.c (generate_element_init_1): Likewise.
4452         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
4453         * tree-ssa-operands.c (get_expr_operands): Likewise.
4454         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
4455         * tree-vect-transform.c (vect_get_vec_def_for_operand):
4456         (get_initial_def_for_reduction): Likewise.
4457         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
4458         value handle in annotations.
4459         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
4460         tree_node_structure): Add support for constr_kind.
4461         (build_vector_from_ctor, build_constructor_single,
4462         build_constructor_from_list): New functions.
4463         (build_constructor): Update to take a VEC instead of a TREE_LIST.
4464         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
4465         Update to cope with VEC in CONSTRUCTOR_ELTS.
4466         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
4467         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
4468         CONSTRUCTOR_APPEND_ELT): New macros.
4469         (struct constructor_elt, struct tree_constructor): New data types.
4470         (union tree_node): Add tree_constructor field.
4471         * treestruct.def: Define TS_CONSTRUCTOR.
4472         * varasm.c (const_hash_1, compare_constant, copy_constant,
4473         compute_reloc_for_constant, output_addressed_constants,
4474         initializer_constant_valid_p, output_constant,
4475         array_size_for_constructor, output_constructor): Update to cope with
4476         VEC in CONSTRUCTOR_ELTS.
4477         * vec.h (VEC_empty, VEC_copy): New macros.
4478
4479 2005-07-19  Devang Patel  <dpatel@apple.com>
4480
4481         * dbxout.c (dbxout_type): Check Objective-C++ lang.
4482
4483 2005-07-19  Richard Henderson  <rth@redhat.com>
4484
4485         PR tree-opt/22278
4486         * gimplify.c (gimplify_expr): Use main variant type for the temp
4487         destination for a discarded volatile read.
4488         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
4489         casts between non-void types that change volatility.
4490
4491 2005-07-15  DJ Delorie  <dj@redhat.com>
4492
4493         * toplev.h: Add comment about the first parameter for warning().
4494         * errors.h: Likewise.
4495
4496         * c.opt (Wpragmas): New.
4497         * doc/invoke.texi: Document it.
4498
4499         * function.c (do_warn_unused_parameter): Add warning control to
4500         warning call.
4501         * c-decl.c (warn_if_shadowing): Likewise.
4502         * c-lex.c (cb_def_pragma): Likewise.
4503         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
4504         (pop_alignment): Likewise.
4505         (handle_pragma_pack): Likewise.
4506         (apply_pragma_weak): Likewise.
4507         (handle_pragma_weak): Likewise.
4508         (handle_pragma_redefine_extname): Likewise.
4509         (add_to_renaming_pragma_list): Likewise.
4510         (handle_pragma_extern_prefix): Likewise.
4511         (maybe_apply_renaming_pragma): Likewise.
4512         (handle_pragma_visibility): Likewise.
4513
4514         * config/c4x/c4x-c.c (BAD): Likewise.
4515         (c4x_parse_pragma): Likewise.
4516         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
4517         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
4518         (rs6000_pragma_longcall): Likewise.
4519         * config/v850/v850-c.c (pop_data_area): Likewise.
4520         (ghs_pragma_section): Likewise.
4521         (ghs_pragma_section): Likewise.
4522         (ghs_pragma_interrupt): Likewise.
4523         (ghs_pragma_starttda): Likewise.
4524         (ghs_pragma_startsda): Likewise.
4525         (ghs_pragma_startzda): Likewise.
4526         (ghs_pragma_endtda): Likewise.
4527         (ghs_pragma_endsda): Likewise.
4528         (ghs_pragma_endzda): Likewise.
4529
4530 2005-07-19  Danny Berlin <dberlin@dberlin.org>
4531             Kenneth Zadeck <zadeck@naturalbridge.com>
4532
4533         * Makefile.in: Removed tree-promote-statics.c
4534         * tree-promote-statics.c: Removed.
4535         * common.opt: Removed flag-promote-statics.
4536         * opts.c: Ditto.
4537         * passes.c: Removed tree-promote-statics pass.
4538         * tree-pass.h: Ditto.
4539         * timevar.def: Removed TV_PROMOTE_STATICS.
4540
4541
4542 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
4543
4544         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
4545         and *-*-freebsd9.
4546         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
4547
4548 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4549
4550         PR c/22476
4551         * c-common.c (check_function_arguments): Call
4552         'check_function_format' if either -Wformat or
4553         -Wmissing-format-attribute are specified.
4554         * c-format.c (check_function_format): Check -Wformat before
4555         calling 'check_format_info'.
4556         * c-opts.c (c_common_post_options): Don't warn for
4557         -Wmissing-format-attribute without -Wformat.
4558         * c-typeck.c (convert_for_assignment): Detect additional cases for
4559         -Wmissing-format-attribute.
4560         * doc/invoke.texi (-Wmissing-format-attribute): Document new
4561         behavior.
4562
4563 2005-07-19  Richard Guenther  <rguenther@suse.de>
4564
4565         * config/i386/i386.md (lrint<mode>2): Use temporary
4566         instead of clobbering non-existent memory.
4567
4568 2005-07-19  Nick Clifton  <nickc@redhat.com>
4569
4570         * config/avr/avr.c (legitimate_address_p): Fix debugging print
4571         statement to avoid displaying ASCII control characters.
4572
4573 2005-07-19  Ben Elliston  <bje@au.ibm.com>
4574
4575         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
4576         * cfganal.c (find_edge_index): Ditto.
4577         * combine.c (combine_instructions): Ditto.
4578         * ddg.c (create_scc): Ditto.
4579         (find_successors): Ditto.
4580         (find_predecessors): Ditto.
4581         (find_nodes_on_paths): Ditto.
4582         (longest_simple_path): Ditto.
4583         * flow.c (update_life_info): Ditto.
4584         (count_or_remove_death_notes): Ditto.
4585         (clear_log_links): Ditto.
4586         * modulo-sched.c (generate_reg_moves): Ditto.
4587         (find_max_asap): Ditto.
4588         (find_max_hv_min_mob): Ditto.
4589         (find_max_dv_min_mob): Ditto.
4590         * sbitmap.c (sbitmap_first_set_bit): Ditto.
4591         * sched-rgn.c (extract_edgelst): Ditto.
4592         * tree-into-ssa.c (prepare_names_to_update): Ditto.
4593         (dump_update_ssa): Ditto.
4594         (ssa_names_to_replace) Ditto.
4595         (switch_virtuals_to_full_rewrite): Ditto.
4596         (update_ssa): Ditto.
4597         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
4598
4599 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
4600
4601         Fix PR tree-optimization/22483
4602
4603         * tree-complex.c (create_components): Use
4604         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
4605         * tree-flow-inline.h (fill_referenced_var_vec): New function.
4606         * tree-flow.h (safe_referenced_var_iterator): New structure.
4607         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
4608         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
4609         safe_referenced_var iterator.
4610         (add_type_alias): Ditto.
4611
4612 2005-07-19  Steven Bosscher  <stevenb@suse.de>
4613
4614         * loop-init.c (rest_of_handle_loop2): Remove.
4615         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
4616         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
4617         (pass_rtl_loop_init, pass_rtl_loop_done,
4618         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
4619         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
4620         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
4621         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
4622         pass_tree_loop_done, and pass_tree_unswitch.
4623         (gate_loop): Rename to gate_tree_loop.
4624         * passes.c (init_optimization_passes): Update for renamed tree
4625         loop passes.  Add the new loop2 passes as subpasses of loop2.
4626         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
4627         Update for the renamed tree loop passes.
4628
4629 2005-07-18  Ian Lance Taylor  <ian@airs.com>
4630
4631         PR middle-end/22057
4632         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
4633         blocks when optimizing.
4634
4635 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
4636
4637         * common.opt (frename-registers): Initialize to 2.
4638         (fweb): Ditto.
4639         (fgcse-after-reload): Ditto.
4640         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
4641         (process_options): Only change flag_web, flag_rename_registers,
4642         and flag_rerun_cse_after_loop if not explicitly set by user.
4643
4644 2005-07-18  Jan Beulich  <jbeulich@novell.com>
4645
4646         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
4647         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
4648         in 64-bit mode the same as DImode in 32-bit mode.
4649         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
4650         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
4651         mode. Add new mode parameter.
4652         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
4653         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
4654         x86_64_shift_adj): New expanders.
4655         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
4656         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
4657         insns.
4658         Respective new splitters. Use renamed shift splitter helpers in 32-bit
4659         DImode shift splitters.
4660         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
4661         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
4662         mode parameter.
4663
4664 2005-07-18  Jan Beulich  <jbeulich@novell.com>
4665
4666         * i386.md (movdi_extzv_1): New.
4667         (zero_extendhidi2): Combine alternatives and never force use of
4668         REX64 prefix.
4669         (zero_extendqidi2): Likewise. Don't restrict input selection.
4670
4671 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4672
4673         Fix PR tree-optimization/22531
4674         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
4675          moment.
4676
4677 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4678
4679         * tree-promote-statics.c (pass_promote_statics): Change dump file
4680          name.
4681
4682 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4683
4684         * tree-optimize.c (init_tree_optimization_passes): Add
4685         pass_eliminate_useless_stores pass.
4686         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
4687         * tree-ssa-pre.c (is_copy_stmt): New function.
4688         (follow_copies_till_vuse): Ditto.
4689         (do_eustores): Ditto.
4690         (gate_eustores): Ditto.
4691
4692 2005-07-16  Richard Henderson  <rth@redhat.com>
4693
4694         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
4695
4696 2005-07-16 Danny Berlin <dberlin@dberlin.org>
4697            Kenneth Zadeck <zadeck@naturalbridge.com>
4698
4699         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
4700         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
4701         ipa-type-escape.h, tree-promote-statics.c
4702         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
4703         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
4704         tree-promote-statics.c: new files.
4705         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
4706         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
4707         int nonlocal_set_p, mark_constant_function): Deleted.
4708         (rest_of_handle_cfg): Removed call to mark_constant_function.
4709         (nonoverlapping_component_refs_p): Added calls to support
4710         type based aliasing.
4711         * tree-ssa-alias.c (may_alias_p,
4712         compute_flow_insensitive_aliasing): Ditto.
4713         * calls.c (flags_from_decl_or_type): Removed reference to
4714         cgraph_rtl_info.
4715         * c-typeck.c (convert_arguments): Make builtins tolerant of having
4716         too many arguments.  This is necessary for Spec 2000.
4717         * cgraph.h (const_function, pure_function): Removed.
4718         * common.opt: Added "fipa-pure-const", "fipa-reference",
4719         "fipa-type-escape", and "ftree-promote-static".
4720         * opts.c: Ditto.
4721         * passes.c: Added ipa and tree-promote-statics passes.
4722         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
4723         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
4724         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
4725         * tree-flow.h: Added exposed sra calls and addition of
4726         reference_vars_info field for FUNCTION_DECLS.
4727         * tree-pass.h: Added passes.
4728         * tree-sra.c: (sra_init_cache): New function.
4729         (sra_insert_before, sra_insert_after) Made public.
4730         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
4731         and made public.
4732         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
4733         aliasing. (may_alias_p): Added code to use type escape analysis to
4734         improve alias sets.
4735         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
4736         code to prune clobbers of static variables based on information
4737         produced in ipa-reference pass.  Changed call clobbering so that
4738         statics are not marked as clobbered if the call does not clobber
4739         them.
4740
4741 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
4742
4743         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
4744         too.
4745
4746 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4747
4748         * doc/install.texi (*-*-solaris2*): Document recommended version
4749         of GNU binutils and mention GNU linker problem on Solaris 10.
4750
4751 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
4752
4753         PR c/22421
4754         * c-decl.c (c_build_bitfield_integer_type): New function.
4755         (finish_struct): Call it.
4756         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
4757
4758 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4759
4760         * c-typeck.c (digest_init): Call 'convert_for_assignment'
4761         before returning.
4762
4763 2005-07-16  Jan Hubicka  <jh@suse.cz>
4764
4765         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
4766         (scale_bbs_frequencies_int): Watch roundoff errors.
4767         * predict.c (return_prediction): Initialize return_stmt.
4768
4769 2005-07-16  Jan Hubicka  <jh@suse.cz>
4770
4771         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
4772         after RTL profiling.
4773
4774 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
4775
4776         PR middle-end/22398
4777         * fold-const.c (build_range_check): Convert high/low to etype
4778         if we are only comparing against exp.
4779
4780 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
4781
4782         Fix PR tree-optimization/22376
4783         * tree-ssa-structalias.c (build_constraint_graph): We really meant
4784         special var here.
4785         (need_to_solve): New function.
4786         (compute_points_to_sets): Use it.
4787
4788 2005-07-15  Jan Hubicka  <jh@suse.cz>
4789
4790         * cfg.c (update_bb_profile_for_threading): More diagnostic.
4791         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
4792
4793 2005-07-15  Richard Guenther  <rguenther@suse.de>
4794
4795         * c-common.c (handle_flatten_attribute): New function.
4796         Add flatten function attribute.
4797         * doc/extend.texi: Document flatten function attribute.
4798         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
4799         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
4800         New functions.
4801         (cgraph_decide_inlining): Handle functions with flatten
4802         attribute.
4803
4804 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
4805
4806         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
4807         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
4808         UNSPEC_XCHG, UNSPEC_AND): New.
4809         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
4810         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
4811         * config/rs6000/sync.md (FETCHOP): New code macro.
4812         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
4813         New code attrs.
4814         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
4815         (sync_compare_and_swap<mode>): Same.
4816         (sync_lock_test_and_set<mode>): Same.
4817         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
4818         for QImode and HImode, and not PPC405.
4819         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
4820         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
4821         (sync_<fetchop>{si,di}_internal): New.
4822         (sync_nand{si,di}_internal): New.
4823         (sync_old_<fetchop>{si,di}_internal): New.
4824         (sync_old_nand{si,di}_internal): New
4825         (sync_new_<fetchop>{si,di}_internal): New.
4826         (sync_new_nand{si,di}_internal): New.
4827         (atomic_and{si,di}): New.
4828         (sync_new_nand{si,di}_internal): New.
4829         (atomic_and{si,di}): New.
4830         (sync_add<mode>_internal): Delete.
4831         (sync_addshort_internal): Use unspec instead of unspec_volatile.
4832         (sync_sub<mode>_internal): Delte.
4833         (sync_subshort_internal): New.
4834         (sync_andsi_internal): Use unspec instead of unspec_volatile.
4835         (sync_anddi_internal): Delete.
4836         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
4837         (sync_booldi_internal): Delete.
4838         (sync_boolc<mode>_internal): Delete.
4839         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
4840         (sync_boolc<mode>_internal2): Delete.
4841         (sync_boolcc<mode>_internal): Delete.
4842         (isync, lwsync): Use unspec instead of unspec_volatile.
4843         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
4844         Revert UNSPEC_VOLATILE.
4845         (rs6000_split_atomic_op): New.
4846         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
4847
4848 2005-07-14  Eric Christopher  <echristo@redhat.com>
4849
4850         * config/mips/mips.c (mips_canonicalize_comparison): Cast
4851         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
4852
4853 2005-07-14  Eric Christopher  <echristo@redhat.com>
4854
4855         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
4856
4857 2005-07-14  Steven Bosscher  <stevenb@suse.de>
4858
4859         PR tree-optimization/22230
4860         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
4861         the computation of the four cross productions for "range op range".
4862
4863 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
4864             Ulrich Weigand  <uweigand@de.ibm.com>
4865
4866         PR target/20126
4867         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
4868         in some insn.
4869
4870 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
4871
4872         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
4873
4874 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
4875
4876         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
4877
4878 2005-07-14  Richard Guenther  <rguenther@suse.de>
4879
4880         PR middle-end/22347
4881         * config/i386/i386-protos.h (ix86_function_value): Change
4882         prototype to match new target hook.
4883         * config/i386/i386.c (ix86_value_regno): Change prototype
4884         to take extra type argument.
4885         (TARGET_FUNCTION_VALUE): Define.
4886         (ix86_function_ok_for_sibcall): Pass extra argument to
4887         ix86_value_regno, check return slot rtx for exact match.
4888         (ix86_function_value): Take extra parameter.  Dispatch to
4889         ix86_value_regno with fndecl/fntype as provided.
4890         (ix86_value_regno): Handle extra type argument.
4891         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
4892
4893         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
4894         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
4895         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
4896         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
4897         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
4898
4899 2005-07-14  Richard Guenther  <rguenther@suse.de>
4900
4901         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
4902         * calls.c (expand_call): Pass fntype to hard_function_value.
4903         (emit_library_call_value_1): Likewise.
4904         * explow.c: Include target.h.
4905         (hard_function_value): Take extra argument, the fntype.
4906         Use new target hook for function_value.
4907         * expr.h (hard_function_value): Change prototype.
4908         * function.c (aggregate_value_p): Pass 0 as fntype to
4909         hard_function_value.
4910         (assign_parms): Use new target hook for function_value.
4911         Pass 0 as fntype to hard_function_value.
4912         (expand_function_end): Likewise.
4913         * reg-stack.c: Include target.h.
4914         (stack_result): Use new target hook for function_value.
4915         * target-def.h: New target hook function_value.
4916         * target.h: Likewise.
4917         * targhooks.c (default_function_value): New function.
4918         * targhooks.h (default_function_value): Declare.
4919
4920 2005-07-13  Ian Lance Taylor  <ian@airs.com>
4921
4922         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4923
4924 2005-07-14  Jan Hubicka  <jh@suse.cz>
4925
4926         * tree-dfa.c (dump_variable): Use default_def function.
4927         * tree-ssa-alias.c (dump_points_to_info): Likewise.
4928         * tree-ssa.c (verify_use): Likewise.
4929         * tree-ssanames.c (release_ssa_name): Likewise.
4930         * tree-tailcall.c (eliminate_tail_call): Likewise.
4931         (tree_optimize_tail_calls_1): Likewise.
4932         * tree-vrp.c (get_value_range): Likewise.
4933
4934 2005-07-14  Ben Elliston  <bje@au.ibm.com>
4935
4936         * gcc.c (main): Compare language[0] with '*' when iterating over
4937         the infiles.
4938
4939 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
4940
4941         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
4942         "s390_emit_compare".  Add handling of CCZ1mode.
4943         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
4944         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
4945         checking.
4946         (s390_branch_condition_mask): Add CCZ1mode handling.
4947         * config/s390/s390.md: ("seq", "*seq"): New pattern.
4948         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
4949         Use CCZ1mode instead of CCZmode.
4950         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
4951
4952 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
4953
4954         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
4955         pattern.
4956         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
4957
4958 2005-07-13  Eric Christopher  <echristo@redhat.com>
4959
4960         * config/mips/mips.c (mips_canonicalize_comparison): New.
4961         (mips_emit_int_relational): Use.
4962
4963 2005-07-13  Eric Christopher  <echristo@redhat.com>
4964
4965         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
4966         static extra parts.
4967         * config/s390/s390.md: Include tpf.md. Move tpf specific
4968         patterns...
4969         * config/s390/tpf.md: To here.
4970         * config/s390/s390.opt: Move tpf specific options...
4971         * config/s390/tpf.opt: to here. Add mmain option.
4972         * config/s390/tpf-unwind.h: Remove unnecessary defines.
4973         * config/s390/tpf.h: Rewrite.
4974
4975 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
4976
4977         * doc/tm.texi: Remove @xref{Cross-profiling}.
4978
4979 2005-07-13  Jeff Law  <law@redhat.com>
4980
4981         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
4982         expressions, test their _DECL operands for pointer equality rather
4983         than using operand_equal_p.
4984
4985 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
4986
4987         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
4988         (TARGET_POSIX_IO): This.
4989         * config/darwin.h: Likewise.
4990         * config/freebsd.h: Likewise.
4991         * config/linux.h: Likewise.
4992         * config/lynx.h: Likewise.
4993         * config/netbsd.h: Likewise.
4994         * config/rs6000/linux64.h: Likewise.
4995         * config/rs6000/linux.h: Likewise.
4996         * config/s390/tpf.h: Likewise.
4997         * config/sh/embed-elf.h: Likewise.
4998         * config/sparc/linux64.h: Likewise.
4999         * config/sparc/linux.h: Likewise.
5000         * config/svr4.h: Likewise.
5001         * gcov-io.h: Likewise.
5002
5003         * doc/tm.texi: Updated.
5004
5005         * libgcov.c (create_file_directory): Defined only if
5006         TARGET_POSIX_IO is defined.
5007         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
5008         is defined.
5009
5010 2005-07-13  Jan Hubicka  <jh@suse.cz>
5011
5012         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
5013
5014 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
5015
5016         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
5017         structure as argument.
5018
5019 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
5020
5021         PR tree-optimization/21921
5022         * tree-iterator.c (tsi_link_before): Support the case when
5023         tsi_end_p (tsi) == true.
5024
5025 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5026
5027         PR tree-optimization/22442
5028         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
5029         correctly.
5030
5031 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5032
5033         PR rtl-optimization/20376
5034         * toplev.c (process_options): Enable -fweb and -frename-registers when
5035         unrolling.
5036         * doc/invoke.texi: Update the information about when -fweb and
5037         -frename-registers are enabled.
5038
5039 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
5040
5041         PR tree-opt/21840
5042         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
5043         if *rhs_p is not a SSA_NAME.
5044
5045 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
5046
5047         Fix PR tree-optimization/22422
5048         * tree-ssa-structalias.c (struct variable_info): Add flag for
5049         special vars.
5050         (get_varinfo): Now a static function.
5051         (new_varinfo): init has_union and is_special_var to false.
5052         (solution_set_add): Check has_union.
5053         (do_da_constraint): Move temporary variable so it gets reset
5054         properly.
5055         Also check for special variable.
5056         (do_ds_constraint): Ditto.
5057         (do_sd_constraint): Ditto.
5058         (do_structure_copy): Check for special variable.
5059         (find_func_aliases): Ditto.
5060         (init_base_vars): Set special vars properly.
5061
5062 2005-07-13  Jan Hubicka  <jh@suse.cz>
5063
5064         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
5065         do unit-at-a-time.
5066
5067         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
5068         (get_expr_operands): Fix thinko wrt flags and subvars.
5069
5070         PR tree-optimize/22379
5071         * tree-inline.c (expand_call_inline): Do not output sorry in early
5072         inlining.
5073
5074 2005-07-12  Dale Johannesen  <dalej@apple.com>
5075
5076         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
5077
5078 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
5079
5080         PR bootstrap/21704
5081         * host-linux.h: Include limits.h.
5082
5083 2005-07-12  Dale Johannesen  <dalej@apple.com>
5084
5085         * expr.c (compress_float_constant):  Add cost check.
5086         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
5087
5088 2005-07-12  Dale Johannesen  <dalej@apple.com>
5089
5090         * gcc.target/i386/compress-float-sse.c:  New.
5091         * gcc.target/i386/compress-float-sse-pic.c:  New.
5092         * gcc.target/i386/compress-float-387.c:  New.
5093         * gcc.target/i386/compress-float-387-pic.c:  New.
5094         * gcc.dg/compress-float-ppc.c:  New.
5095         * gcc.dg/compress-float-ppc-pic.c:  New.
5096
5097 2005-07-12  Eric Christopher  <echristo@redhat.com>
5098
5099         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5100         static extra parts.
5101         * config/s390/s390.md: Include tpf.md. Move tpf specific
5102         patterns...
5103         * config/s390/tpf.md: To here.
5104         * config/s390/s390.opt: Move tpf specific options...
5105         * config/s390/tpf.opt: to here. Add mmain option.
5106         * config/s390/tpf-unwind.h: Remove unnecessary defines.
5107         * config/s390/tpf.h: Rewrite.
5108
5109 2005-07-12  Eric Christopher  <echristo@redhat.com>
5110
5111         * gcc.c (struct infile): Update comment for language.
5112         (main): Rewrite input file resetting code.
5113
5114 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
5115
5116         PR tree-opt/22335
5117         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
5118         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
5119         (lookup_avail_expr): Use constant_boolean_node instead
5120         of boolean_false_node/boolean_true_node.
5121
5122 2005-07-12  Ben Elliston  <bje@au.ibm.com>
5123
5124         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
5125         and use it when printing num_edges.
5126
5127 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5128
5129         * doc/extend.texi (Blackfin Built-in Functions): New section.
5130         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
5131         @opindex.
5132
5133 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
5134
5135         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
5136         s/cmpstrsi/cmpstrnsi
5137         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
5138         'cmpstrnsi'.
5139         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
5140         (init_optabs): Initialize cmpstrn_optab.
5141         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
5142         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
5143         * expr.c: (enum insn_code cmpstrn_optab): Declare.
5144         * config/i386/i386.md: s/cmpstr/cmpstrn
5145         * config/c4x/c4x.md: s/cmpstr/cmpstrn
5146         * doc/md.texi: Update documentation.
5147
5148 2005-07-11  Richard Henderson  <rth@redhat.com>
5149
5150         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
5151         build_va_arg_indirect_ref.
5152         (alpha_gimplify_va_arg): Likewise.
5153         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
5154         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
5155         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
5156         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
5157         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
5158         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
5159         Likewise.
5160         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
5161
5162 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5163
5164         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
5165         * passes.c (init_optimization_passes): Add pass_empty_loop.
5166         * tree-pass.h (pass_empty_loop): Declare.
5167         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
5168         try_remove_empty_loop, remove_empty_loops): New functions.
5169         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
5170         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
5171
5172 2005-07-12  Peter Barada  <peter@the-baradas.com>
5173
5174         PR middle-end/16719
5175         PR middle-end/18421
5176         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
5177         in address registers.
5178         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
5179         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
5180         alternative of addsi3_5200.
5181
5182 2005-07-11  Ian Lance Taylor  <ian@airs.com>
5183
5184         * config/mips/mips.md (ffs<mode>2): Remove.
5185
5186 2005-07-11  Ian Lance Taylor  <ian@airs.com>
5187
5188         * doc/tree-ssa.texi (Cleanups): Improve description of
5189         TRY_FINALLY_EXPR.
5190         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
5191
5192 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
5193
5194         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
5195         * tree.h (DECL_ARGUMENT_FLD): New macro.
5196
5197 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
5198
5199         Fix PR tree-optimization/22404
5200
5201         * tree-ssa-structalias.c (create_variable_info_for): Use
5202         correct offset.
5203
5204 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5205
5206         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
5207         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
5208         for second comparison operand.
5209         * config/bfin/predicates.md (reg_or_const_int_operand): New.
5210
5211         * config/bfin/bfin.md (define_attr "type"): Add "sync".
5212         (define_insn_reservation "alu"): Likewise.
5213         (csync, ssync): Now of type sync.
5214         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
5215         -mcsync-anomaly -mspecld-anomaly.
5216         * config/bfin/bfin.opt (mcsync): Remove.
5217         (mcsync-anomaly, mspecld-anomaly): Add.
5218         * config/bfin/bfin.c: Include "insn-codes.h".
5219         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
5220         (TARGET_DEFAULT_TARGET_FLAGS): New.
5221         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
5222
5223 2005-07-11  Steven Bosscher  <stevenb@suse.de>
5224
5225         * basic-block.h: Give the BB flags enum a name, bb_flags.
5226         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
5227         * cfgcleanup.c (enum bb_flags): Remove here.
5228         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
5229         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
5230         (update_forwarder_flag): Likewise.
5231         (thread_jump): Likewise.
5232         (try_forward_edges): Likewise.
5233         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
5234         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
5235         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
5236
5237 2005-07-11  Richard Guenther  <rguenther@suse.de>
5238
5239         * config/i386/i386.opt: New target option -msseregparm.
5240         * config/i386/i386.c (override_options): Error out for
5241         -msseregparm but no SSE support.
5242         (ix86_function_sseregparm): Check for global sseregparm.
5243         * doc/invoke.texi: Document -msseregparm.
5244
5245 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5246
5247         * config.gcc (m32r-*-linux*): Use the default extra_parts.
5248         (m32rle-*-linux*): Ditto.
5249
5250 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
5251
5252         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
5253         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
5254         bytes.
5255
5256 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5257
5258         PR middle-end/22239
5259         PR target/20126
5260         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
5261         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
5262
5263 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
5264
5265         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
5266         (varmap): Heapify varmap.
5267         (constraints): Heapify constraints.
5268         (struct constraint_graph): Heapify succs and preds.
5269         (constraint_vec_find): Update for heapification.
5270         (constraint_set_union): Ditto.
5271         (insert_into_complex): Ditto.
5272         (constraint_edge_vec_find): Ditto.
5273         (erase_graph_self_edge): Ditto.
5274         (add_graph_edge): Ditto.
5275         (get_graph_weights): Ditto.
5276         (merge_graph_nodes): Ditto.
5277         (build_constraint_graph): Ditto.
5278         (topo_visit): Ditto.
5279         (solve_graph): Ditto.
5280         (create_variable_info_for): Ditto.
5281         (init_base_vars): Ditto.
5282         (delete_points_to_sets): Free graph, varmap, and complex constraints.
5283         (condese_varmap_nodes): Free complex vector.
5284         (clear_edges_for_node): Clear succs and preds vector.
5285
5286 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
5287
5288         * tree-ssa-structalias.c (update_alias_info): Change counting of
5289         references to not include vdefs.
5290
5291 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
5292
5293         * tree-ssa-alias.c (free_used_part_map): Add missing free.
5294         (up_insert): Ditto.
5295
5296 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5297
5298         * pa.c (pa_commutative_p): Make PLUS commutative when
5299         TARGET_NO_SPACE_REGS is true.
5300
5301 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
5302
5303         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
5304         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
5305         * tree-dfa.c (dump_subvars_for): New.
5306         (debug_subvars_for): New.
5307         (dump_variable): Show subvariables if VAR has them.
5308         * tree-flow-inline.h (get_subvar_at): New.
5309         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
5310         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
5311         Update all users.
5312         (struct subvar): Change fields offset and size to unsigned
5313         HOST_WIDE_INT.
5314         (dump_subvars_for): Declare.
5315         (debug_subvars_for): Declare.
5316         (get_subvar_at): Declare.
5317         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
5318         to unsigned HOST_WIDE_INT *.
5319         (overlap_subvar): Likewise.
5320         * tree-gimple.c (is_gimple_reg): Always return false for
5321         SFTs and memory tags.
5322         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
5323         Update all callers.
5324         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
5325         (compute_may_aliases): Call compute_points_to_sets.
5326         (collect_points_to_info_for): Remove.
5327         (compute_points_to_and_addr_escape): Remove.
5328         (delete_alias_info): Call delete_points_to_sets.
5329         (compute_flow_sensitive_aliasing): If the call to
5330         find_what_p_points_to returns false, call set_pt_anything.
5331         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
5332         (set_pt_anything): Clear pi->pt_vars.
5333         (set_pt_malloc): Remove.
5334         (merge_pointed_to_info): Remove.
5335         (add_pointed_to_expr): Remove.
5336         (add_pointed_to_var): Remove.
5337         (collect_points_to_info_r): Remove.
5338         (is_escape_site): Make extern.
5339         (create_sft): New.
5340         (create_overlap_variables_for): Call it.
5341         * tree-ssa-copy.c (merge_alias_info): Never merge
5342         flow-sensitive alias information.
5343         * tree-ssa-operands.c (get_expr_operands): Adjust variables
5344         offset and size to be unsigned HOST_WIDE_INT.
5345         (add_to_addressable_set): Rename from note_addressable.
5346         Set TREE_ADDRESSABLE as the variables are added to the set.
5347         Update all users.
5348         (add_stmt_operand): Do not try to micro-optimize unmodifiable
5349         operands into VUSEs when adding V_MAY_DEFs for members in an
5350         alias set.
5351         * tree-ssa-operands.h (add_to_addressable_set): Declare.
5352         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
5353         (struct variable_info): Add bitfield is_heap_var.
5354         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
5355         (new_var_info): Initialize is_heap_var.
5356         (get_constraint_for): Add HEAP variables to the symbol table.
5357         Mark them with is_heap_var.
5358         (update_alias_info): New.  Taken mostly from the old
5359         compute_points_to_and_addr_escape.
5360         (handle_ptr_arith): New.
5361         (find_func_aliases): Call update_alias_info.
5362         Call handle_ptr_info for tcc_binary expressions.
5363         Call mark_stmt_modified.
5364         (create_variable_info_for): If DECL has subvars, do not create
5365         variables for its subvars.  Always add all the fields.
5366         (set_uids_in_ptset): If the solution includes ANYOFFSET and
5367         SFTs, then add all the SFTs of the structure.
5368         If VI->DECL is an aggregate with subvariables, add the SFT at
5369         VI->OFFSET.
5370         (find_what_p_points_to): If VI is an artificial variable,
5371         translate to bitfields in SSA_NAME_PTR_INFO.
5372         If the solution is empty, set pi->pt_vars to NULL
5373         (init_base_vars): Create ANYOFFSET.
5374         (compute_points_to_sets): Rename from create_alias_vars.
5375         Make extern.
5376         (pass_build_pta): Remove.
5377         (delete_points_to_sets): Rename from delete_alias_vars.
5378         (pass_del_pta): Remove.
5379         * tree-ssa-structalias.h (struct alias_info): Move from
5380         tree-ssa-alias.h.
5381         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
5382         NUM_REFERENCES_SET): Likewise.
5383         (compute_points_to_sets, delete_points_to_sets): Declare.
5384
5385 2005-07-09  Richard Henderson  <rth@redhat.com>
5386
5387         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
5388         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
5389         alpha_split_lock_test_and_set_12): New functions.
5390         * config/alpha/alpha-protos.h: Update.
5391         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
5392         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
5393         * config/alpha/sync.md (I12MODE): New.
5394         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
5395         (sync_<fetchop_name><I48MODE>): Likewise.
5396         (sync_nand<I48MODE>): Likewise.
5397         (sync_old_<fetchop_name><I48MODE>): Likewise.
5398         (sync_new_<fetchop_name><I48MODE>): Likewise.
5399         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
5400         (sync_compare_and_swap<I48MODE>): Likewise.
5401         (sync_lock_test_and_set<I48MODE>): Likewise.
5402         (sync_compare_and_swap<I12MODE>): New.
5403         (sync_compare_and_swap<I12MODE>_1): New.
5404         (sync_lock_test_and_set<I12MODE>): New.
5405         (sync_lock_test_and_set<I12MODE>_1): New.
5406
5407 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
5408
5409         PR 21356
5410         PR 22332
5411         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
5412
5413 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
5414
5415         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
5416         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
5417
5418 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
5419
5420         PR target/21656
5421         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5422
5423 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
5424
5425         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
5426         memory_operand constraint.
5427         (store_conditional_<mode>): Same.
5428         (sync_compare_and_swap<mode>): Same.
5429         (sync_lock_test_and_set<mode>): Same.
5430
5431 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
5432
5433         Rewrite PIC support to more closely model actual instructions.
5434         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
5435         (cris_symbol): Remove prototypes for removed functions.
5436         (cris_pic_symbol_type_of, cris_valid_pic_const)
5437         (cris_expand_pic_call_address): Prototypes for new functions.
5438         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
5439         variable.
5440         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
5441         modifiers.
5442         <case ':'>: Add case for new punctuation character.
5443         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
5444         emitting (extra) PIC modifier.
5445         <case UNSPEC>: Do not assert for PLT.
5446         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
5447         (cris_expand_prologue, cris_expand_epilogue): Check
5448         for pic_offset_table_rtx usage instead of taking
5449         current_function_uses_pic_offset_table as the final word.
5450         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
5451         Remove flag_pic difference.
5452         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
5453         the moral equivalents of...
5454         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
5455         functions.
5456         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
5457         (cris_handle_option): Mark ARG as unused.
5458         (cris_expand_pic_call_address): New worker function for "call",
5459         "call_value".
5460         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
5461         output PIC constructs here.
5462         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
5463         as symbol-specific modifers, not whole or part of operands.
5464         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
5465         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
5466         constants and flag_pic.
5467         (CONSTANT_INDEX_P): Adjust for new functions.
5468         (enum cris_pic_symbol_type): New helper type.
5469         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
5470         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
5471         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
5472         define_constants.
5473         ("movsi"): Emit actual instructions for GOT and relative access.
5474         ("*movsi_got_load"): New pattern to set up the register holding
5475         the GOT pointer.
5476         ("*movsi_internal"): Operand 1 is not a plain general_operand.
5477         Adjust FIXME for 'S'.
5478         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
5479         Use "movs" for -fpic cases.
5480         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
5481         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
5482         ("call", "call_value"): Just call cris_expand_pic_call_address for
5483         PIC addresses.
5484         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
5485         Remove special pattern.
5486         ("*expanded_call_side", "*expanded_call_value_side"): New
5487         patterns.
5488         (gotplt-to-plt, gotplt-to-plt-side-call)
5489         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
5490         peephole2:s.
5491         * config/cris/cris/predicates.md
5492         ("cris_general_operand_or_gotless_symbol"): Remove unused
5493         predicate.
5494         ("cris_general_operand_or_symbol"): Adjust for new functions.
5495
5496 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5497
5498         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
5499
5500 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
5501
5502         * Makefile.in (TREE_H): Add treestruct.def.
5503         (c-decl.o): Add pointer-set.h
5504         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
5505         visibility on regular DECL's.
5506         (merge_decls): Fix the copying of decl nodes of various types for
5507         the new structures.  Don't update RTL, section name, weak status,
5508         etc, on DECL's without RTL.
5509         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
5510         Don't check volatile on non-variable types.
5511         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
5512         to check whether we have seen arguments.
5513         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
5514         flag is checked before field (flag is common, field is not).
5515         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
5516         TS_DECL_COMMON could have an origin.
5517         (add_location_or_const_value_attribute): Don't check section name
5518         on non-var/function decls.
5519         (dwarf2out_var_location): Reverse order of tests.
5520         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
5521         with DECL_WRTL_CHECK.
5522         * expmed.c (make_tree): rtl is now in decl_with_rtl.
5523         * fold-const.c (fold_binary): Don't check weakness on
5524         non-var/function decls.
5525         (tree_expr_nonzero_p): Ditto.
5526         (fold_checksum_tree): Use tree_decl_extra as sizeof
5527         buffer.
5528         * ggc-page.c (extra_order_size_table): Add sizes for
5529         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
5530         tree_field_decl.
5531         * gimplify.c (gimplify_bind_expr): Only set
5532         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
5533         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
5534         without RTL.
5535         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
5536         * langhooks.h (init_ts). New langhook.
5537         * passes.c (rest_of_decl_compilation): Reverse order of tests.
5538         * print-tree.c (print_node): Update to only print fields that
5539         exist in the structures the passed decl has.
5540         * toplev.c (wrapup_global_declarations): Don't reset
5541         DECL_DEFER_OUTPUT on DECL's that don't contain it.
5542         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
5543         * tree-inline.c (remap_decl): Ditto.
5544         * tree-outof-ssa.c (create_temp): Reverse order of tests.
5545         * tree-pretty-print.c (print_declaration): Don't print
5546         DECL_REGISTER on things that don't contain it.
5547         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
5548         non-var/function decls.
5549         * tree.c (tree_contains_struct): New structure.
5550         (init_priority_for_decl): New hashtable.
5551         (tree_int_map): New structure.
5552         (tree_int_map_eq): New function.
5553         (tree_int_map_marked_p): Ditto.
5554         (tree_int_map_hash): Ditto.
5555         (tree_map): Move to tree.h.
5556         (tree_map_eq): Externalize.
5557         (tree_map_hash): Ditto.
5558         (tree_map_marked_p): Ditto.
5559         (init_ttree): Set up tree_contains_struct and call langhook.
5560         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
5561         (tree_code_size): Update for new structures.
5562         (tree_node_structure): Update for new structures.
5563         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
5564         without the field.
5565         (copy_node_stat):  Copy init priority.
5566         (build_decl_stat): Ditto for visibility.
5567         (ts_enum_names): New.
5568         (tree_contains_struct_check_failed): New function.
5569         (decl_init_priority_lookup): Ditto.
5570         (decl_init_priority_insert): Ditto.
5571         * treestruct.def: New file.
5572         * tree.h (CODE_CONTAINS_STRUCT): New macro.
5573         (CONTAINS_STRUCT_CHECK): Ditto.
5574         (tree_contains_struct_check_failed): New prototype.
5575         (DECL_CHECK): Removed.
5576         (DECL_MINIMAL_CHECK): New.
5577         (DECL_COMMON_CHECK): Ditto.
5578         (DECL_WRTL_CHECK): Ditto.
5579         (DECL_NON_COMMON_CHECK): Ditto.
5580         (DECL_WITH_VIS_CHECK): Ditto.
5581         (VAR_OR_FUNCTION_DECL_P): Ditto
5582         (struct tree_decl_minimal): New structure.
5583         (struct tree_decl_common): Ditto.
5584         (struct tree_decl_with_rtl): Ditto.
5585         (struct tree_decl_with_vis): Ditto.
5586         (struct tree_decl_non_common): Ditto.
5587         (struct tree_field_decl): Ditto.
5588         (struct tree_parm_decl): Ditto.
5589         (struct tree_var_decl): Ditto.
5590         (struct tree_function_decl): Ditto.
5591         (struct tree_const_decl): Ditto.
5592         (struct tree_result_decl): Ditto.
5593         (union tree_node): Add new structures.
5594         * var-tracking.c (track_expr_p): Reverse order of tests.
5595
5596         * doc/c-tree.texi: Add documentation on DECL node internal structure.
5597
5598 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
5599
5600         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
5601         * system.h: Poison FINALIZE_PIC.
5602         * doc/tm.texi (FINALIZE_PIC): Remove.
5603
5604 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5605
5606         PR tree-opt/22329
5607         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
5608         to the correct type if we have a MODIFY_EXPR.
5609
5610 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
5611
5612         PR tree-optimization/22360
5613         * tree.c (upper_bound_in_type): Fix calculations for casting
5614         to a non-wider signed type and casting a signed value to a
5615         wider unsigned type.
5616         (lower_bound_in_type): Fix calculations for casting to a
5617         non-wider signed type.
5618
5619         PR tree-optimization/20139
5620         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
5621         release_defs.
5622         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
5623         fold_cond_expr_cond.
5624         * tree-ssanames.c (release_defs): Assert in_ssa_p.
5625         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
5626
5627 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5628
5629         PR tree-opt/22356
5630         * tree-complex.c (expand_complex_libcall): Produce
5631         REALPART_EXPR/IMAGPART_EXPR with the correct type.
5632
5633 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
5634
5635         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
5636         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
5637         b" assert and inserted fastpath code for this case.
5638         (bitmap_ior): Removed "a != b" assert.
5639
5640 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5641
5642         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
5643         (ENDFILE_SPEC): Likewise.
5644         * config/m32r/m32r.h (ASM_SPEC): Likewise.
5645
5646         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
5647         a large stack frame at epilogue.
5648
5649 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
5650
5651         * final.c: Include sdbout.h when required.
5652
5653 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
5654
5655         * config.gcc (*-*-darwin*): Only one target-specific header file
5656         for generic darwin.
5657         (powerpc-*-darwin*): Add version-specific header files.
5658         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
5659         * config.in: Regenerate.
5660         * configure: Regenerate.
5661         * gcc.c: Include xregex.h.
5662         (version_compare_spec_function): New.
5663         (spec_function): Add version-compare.
5664         (replace_outfile_spec_function): Reformat comment.
5665         (compare_version_strings): New.
5666         * config/darwin-c.c (version_as_macro): New.
5667         (builtin_define): New.
5668         (darwin_cpp_builtins): New.
5669         * config/darwin-protos.h (darwin_cpp_builtins): New.
5670         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
5671         (LIB_SPEC): Make unconditional, update comment.
5672         (TARGET_C99_FUNCTIONS): Define.
5673         * config/darwin.opt: Sort.
5674         (mmacosx-version-min=): New.
5675         * config/darwin7.h: Delete.
5676         * config/darwin8.h: Delete.
5677         * config/i386/darwin.h (): Call darwin_cpp_builtins.
5678         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
5679         (TARGET_C99_FUNCTIONS): Define.
5680         * config/rs6000/darwin7.h: New.
5681         * config/rs6000/darwin8.h: New.
5682         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
5683         (-mmacosx-version-min): Document.
5684
5685 2005-07-07  Ian Lance Taylor  <ian@airs.com>
5686
5687         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
5688
5689 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
5690
5691         PR middle-end/22239
5692         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
5693
5694 2005-07-07  Khem Raj  <kraj@mvista.com>
5695
5696         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
5697         in bytes, not words.
5698
5699 2005-07-07  Paul Brook  <paul@codesourcery.com>
5700
5701         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
5702         DEFAULT_FUNCTION_ARG_PADDING to upward.
5703
5704 2005-07-07  Richard Henderson  <rth@redhat.com>
5705
5706         * function.c (locate_and_pad_parm): Record parameter alignment in
5707         stack_alignment_needed.
5708
5709 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
5710
5711         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
5712         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
5713         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
5714         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
5715         (define_attr "type"): Add isync, sync, load_l, store_c.
5716         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
5717         Create scratch volatile MEM.
5718         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
5719         sync.
5720         (load_locked_<mode>): New.
5721         (store_conditional_<mode>): New.
5722         (sync_compare_and_swap<mode>): Replace with splitter.
5723         (sync_lock_test_and_set<mode>): Replace with splitter.
5724         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
5725         and UNSPECV_ISYNC.
5726         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
5727         is ics.  Attribute isync.
5728         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
5729         lwsync.
5730         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
5731         and UNSPECV_SYNC_OP.
5732         (emit_unlikely_jump): New.
5733         (emit_load_locked): New.
5734         (emit_store_conditional): New.
5735         (rs6000_split_compare_and_swap): New.
5736         (rs6000_split_lock_test_and_set): New.
5737         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
5738         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
5739         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
5740         rs6000_split_lock_test_and_set): Declare.
5741         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
5742         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
5743         store_c, isync, sync.
5744
5745 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
5746
5747         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
5748         filenames to gtyp-gen.h.
5749         (s-typ-gen): Use it in place of for loops.
5750
5751 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
5752
5753         * hooks.c (hook_bool_rtx_int_false): New function.
5754         * hooks.h (hook_bool_rtx_int_false): Declare.
5755         * target-def.h (TARGET_COMMUTATIVE_P): Define.
5756         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
5757         * target.h (struct gcc_target): Add commutative_p member.
5758         * targhooks.c (hook_bool_rtx_commutative_p): New function.
5759         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
5760         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
5761         (pa_commutative_p): New function.
5762         * jump.c (target.h): Include.
5763         (rtx_renumbered_equal_p): Use targetm.commutative_p.
5764         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
5765
5766 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5767
5768         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
5769         (s390_expand_setmem): New.
5770         * config/s390/s390.c: Likewise.
5771         (print_shift_count_operand): Truncate to 12 bits instead of 6.
5772         Adapt comments.
5773         * config/s390/s390.md: ("setmem<mode>"): Accept character as
5774         general_operand.  Call new function "s390_expand_setmem".
5775         ("clrmem_long", "*clrmem_long"): Rewrite to ...
5776         ("setmem_long", "*setmem_long"): ... this.
5777
5778 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5779
5780         * config/s390/s390.c: (optimization_options): Enable
5781         TARGET_MVCLE at -Os.
5782         * doc/invoke.texi: Document changes in default behaviour.
5783         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
5784
5785 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5786
5787         * expr.c: (set_storage_via_setmem): Convert opchar to mode
5788         defined by back-end.
5789
5790 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
5791
5792         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
5793         all sets in the pattern.
5794         * config/rs6000/rs6000.md (stack_protect_testsi,
5795         stack_protect_testdi): Likewise.
5796
5797 2005-07-06  Jeff Law  <law@redhat.com>
5798
5799         * tree-vrp.c (simplify_using_ranges): Kill.
5800         (vrp_finalize): Remove call to simplify_using_ranges.
5801         (simplify_stmt_using_ranges): New function extracted from
5802         simplify_using_ranges.
5803         (simplify_div_or_mod_using_ranges): Likewise.
5804         (simplify_abs_using_ranges): Likewise.
5805         (simplify_cond_using_ranges): New function.
5806         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
5807         * tree-ssa-propagate.c (substitute_and_fold): Call
5808         simplify_stmt_using_ranges if we have range information.
5809
5810 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
5811
5812         * config/ia64/ia64.c (ia64_reorg): Check optimize before
5813         ia64_flag_schedule_isns2.
5814
5815         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
5816         reading/writing general registers.
5817         (ia64_function_arg): Revert 2005-06-18 change.
5818
5819 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
5820
5821         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
5822         (legitimize_tls_address): Use gcc_unreachable instead of abort.
5823
5824 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
5825
5826         * function.c (expand_function_end): Revert part of 2005-06-27
5827         patch.  Do sjlj_emit_function_exit_after after return_label.
5828
5829 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
5830
5831         * doc/install.texi (--disable-libssp): New.
5832
5833 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
5834
5835         * doc/invoke.texi: Update -fforce-mem documentation.
5836         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
5837         code for -fforce-mem.
5838         * expmed.c: (store_bit_field,store_fixed_bit_field,
5839         extract_bit_field): Ditto.
5840         * expr.c: (convert_move): Ditto.
5841         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
5842         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
5843         emit_conditional_add,expand_float,expand_fix): Ditto.
5844         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
5845         (common_handle_option): Issue warning when -fforce-mem specified.
5846
5847 2005-07-06  Paul Brook  <paul@codesourcery.com>
5848
5849         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
5850         argument is empty.
5851         * configure: Regenerate.
5852
5853 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
5854
5855         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
5856
5857 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
5858
5859         Fix PR tree-optimization/22319
5860         Fix PR tree-optimization/22140
5861         Fix PR tree-optimization/22310
5862
5863         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
5864         variable sized types.
5865         Use correct type for intermediate structure on *a = *b structure
5866         copies.
5867
5868 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
5869
5870         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
5871         Remove.
5872         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
5873         (machine_function): Move typedef to...
5874         * config/rs6000/rs6000.c (machine_function): ... here.  Add
5875         varargs_save_offset field.
5876         (rs6000_stack_t): Remove varargs_size field.
5877         (setup_incoming_varargs): Allocate varargs save area using
5878         assign_stack_local, try to make it as small as possible.
5879         Save offset from virtual_stack_vars_rtx to the save area
5880         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
5881         instead of magic 8 when fp word byte size is used.
5882         (rs6000_va_start): Use cfun->machine->varargs_save_offset
5883         instead of -RS6000_VARARGS_SIZE.
5884         (rs6000_stack_info, debug_stack_info,
5885         rs6000_initial_elimination_offset): Remove all traces of
5886         varargs_size.
5887         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
5888         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
5889         RS6000_VARARGS_AREA.
5890
5891 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
5892
5893         PR tree-optimization/21963
5894         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
5895         constant_multiple_of in the same way get_computation_cost_at does.
5896
5897 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
5898
5899         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
5900         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
5901         (gen_compare_reg): If sparc_compare_emitted is set, clear it
5902         and return its previous value.
5903         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
5904         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
5905         constants.
5906         (stack_protect_set, stack_protect_test): New expanders.
5907         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
5908         stack_protect_testdi): New insns.
5909         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5910         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
5911
5912 2005-07-06  Jeff Law  <law@redhat.com>
5913
5914         * tree-ssa-dce.c (cfg_altered): New global.
5915         (tree_dce_init): Initialize cfg_altered.
5916         (remove_dead_stmt): If we remove an edge in the CFG, then set
5917         CFG_ALTERED.
5918         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
5919         the dominators.
5920
5921 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
5922
5923         * Makefile.in (stamp-collect-ld): Use
5924         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
5925         ./collect-ld if it already exists.
5926         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
5927         Don't remove ./nm if it already exists.
5928
5929 2005-07-05  Devang Patel  <dpatel@apple.com>
5930
5931         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
5932         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
5933         * tree-vectorizer.c (vect_loop_location): New.
5934         (vect_print_dump_info): Use vect_loop_location.
5935         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
5936         (vectorize_loops): Set vect_loop_location.
5937         * tree-vect-analyze.c (vect_analyze_offset_expr,
5938         vect_determin_vectorization_factor, vect_analyze_operations,
5939         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
5940         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
5941         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
5942         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
5943         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
5944         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
5945         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
5946         vect_analyze_loop): Adjust vect_print_dump_info API.
5947         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5948         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
5949         vect_finish_stmt_generation, vectorizable_assignment,
5950         vectorizable_operation, vectorizable_store, vectorizable_load,
5951         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
5952         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
5953         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
5954         vect_transform_loop): Same.
5955         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
5956         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
5957         Same.
5958
5959 2005-07-05  Randolph Chung  <tausq@debian.org>
5960
5961         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
5962         * configure: Regenerate.
5963         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
5964         (pa_tls_referenced_p): Declare.
5965         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
5966         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
5967         (legitimize_tls_address): New.
5968         (hppa_legitimize_address): Handle TLS addresses.
5969         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
5970         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5971         (emit_move_sequence): Handle TLS addresses.
5972         (pa_encode_section_info): Call default handler to handle common
5973         sections.
5974         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
5975         (CONSTANT_ADDRESS_P): Reject TLS operands.
5976         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
5977         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
5978         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
5979         (UNSPEC_TLSLE): Define new constants.
5980         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
5981         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
5982         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
5983         (tie_symbolic_operand, tle_symbolic_operand): New
5984
5985 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
5986
5987         * aclocal.m4: Update macros for autoconf 2.59 style.
5988         * configure.ac: Likewise.
5989
5990 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5991
5992         * pa.c (function_value): Handle small aggregates on 32-bit targets.
5993         (function_arg): Pass small aggregates in general registers on 32-bit
5994         targets.
5995         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
5996
5997 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
5998
5999         * Makefile.in (final.o): Fix dependencies.
6000
6001 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
6002
6003         PR c/22013
6004         PR c/22098
6005         * langhooks.h (struct lang_hooks): Add expr_to_decl.
6006         * langhooks.c (lhd_expr_to_decl): New.
6007         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
6008         New.
6009         (LANG_HOOKS_INITIALIZER): Update.
6010         * tree.c (recompute_tree_invarant_for_addr_expr): Call
6011         expr_to_decl langhook.
6012         * c-tree.h (c_expr_to_decl): Declare.
6013         * c-typeck.c (c_expr_to_decl): New.
6014         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
6015         specially.
6016         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
6017
6018 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
6019
6020         PR c/22308
6021         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
6022         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
6023
6024 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
6025
6026         * Makefile.in: Adjust dependencies.
6027         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
6028         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
6029         * alias.c (rest_of_handle_cfg, pass_cfg): New.
6030         * bb-reorder.c (duplicate_computed_gotos): Make it static.
6031         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
6032         rest_of_compilation.
6033
6034         * bb-reorder.c (gate_duplicate_computed_gotos,
6035         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
6036         rest_of_handle_reorder_blocks, pass_reorder_blocks,
6037         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
6038         pass_partition_blocks): New.
6039         * bt-load.c (gate_handle_branch_target_load_optimize,
6040         rest_of_handle_branch_target_load_optimize,
6041         pass_branch_target_load_optimize): New.
6042         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
6043         pass_jump2): New.
6044         * cfglayout.c (pass_insn_locators_initialize): New.
6045         * cfgrtl.c (pass_free_cfg): New.
6046         * combine.c (gate_handle_combine, rest_of_handle_combine,
6047         pass_combine): New.
6048         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
6049         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
6050         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
6051         * except.c (pass_set_nothrow_function_flags,
6052         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
6053         pass_rtl_eh): New.
6054         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
6055         rest_of_handle_shorten_branches, pass_shorten_branches,
6056         rest_of_clean_state, pass_clean_state): New.
6057         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
6058         rest_of_handle_remove_death_notes, pass_remove_death_notes,
6059         rest_of_handle_life, pass_life, rest_of_handle_flow2,
6060         pass_flow2): New.
6061         * function.c (pass_instantiate_virtual_regs, pass_init_function,
6062         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
6063         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
6064         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
6065         pass_gcse): New.
6066         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
6067         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
6068         pass_rtl_ifcvt, gate_handle_if_after_combine,
6069         rest_of_handle_if_after_combine, pass_if_after_combine,
6070         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
6071         pass_if_after_reload): New.
6072         * integrate.c (pass_initial_value_sets): New.
6073         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
6074         pass_purge_lineno_notes): New.
6075         * mode-switching.c (rest_of_handle_mode_switching,
6076         pass_mode_switching): New.
6077         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
6078         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
6079         pass_loop2): New.
6080         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
6081         pass_loop_optimize): New.
6082         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
6083         pass_sms): New.
6084         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
6085         pass_gcse2): New.
6086         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
6087         pass_postreload_cse): New.
6088         * profile.c (gate_handle_profiling, pass_profiling,
6089         rest_of_handle_branch_prob, pass_branch_prob): New.
6090         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
6091         pass_split_before_regstack, gate_handle_split_before_regstack,
6092         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
6093         rest_of_handle_split_all_insns, pass_split_all_insns): New.
6094         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
6095         pass_stack_regs): New.
6096         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
6097         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
6098         pass_stack_adjustments): New.
6099         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
6100         pass_regrename): New.
6101         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
6102         pass_delay_slots, gate_handle_machine_reorg,
6103         rest_of_handle_machine_reorg, pass_machine_reorg): New.
6104         * rtl.h (extern void purge_line_number_notes): New.
6105         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
6106         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
6107         pass_sched2): New.
6108         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
6109         pass_tracer): New.
6110         * value-prof.c (gate_handle_value_profile_transformations,
6111         rest_of_handle_value_profile_transformations,
6112         pass_value_profile_transformations): New.
6113         * var-tracking.c (gate_handle_var_tracking,
6114         pass_variable_tracking): New.
6115         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
6116
6117         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
6118         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
6119         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
6120         rest_of_handle_old_regalloc, rest_of_handle_regrename,
6121         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
6122         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
6123         rest_of_handle_gcse2, rest_of_handle_regmove,
6124         rest_of_handle_tracer, rest_of_handle_if_conversion,
6125         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
6126         rest_of_handle_web, rest_of_handle_branch_prob,
6127         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
6128         rest_of_handle_jump_bypass, rest_of_handle_combine,
6129         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
6130         rest_of_handle_gcse, rest_of_handle_loop_optimize,
6131         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
6132         rest_of_handle_mode_switching, rest_of_handle_jump,
6133         rest_of_handle_eh, rest_of_handle_stack_adjustments,
6134         rest_of_handle_flow2, rest_of_handle_jump2,
6135         rest_of_handle_peephole2, rest_of_handle_postreload,
6136         rest_of_handle_shorten_branches, rest_of_clean_state,
6137         rest_of_compilation): Remove.
6138
6139         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
6140         * passes.c (dump_flags, in_gimple_form, all_passes,
6141         all_ipa_passes, all_lowering_passes, register_one_dump_file,
6142         register_dump_files, next_pass_1, last_verified, execute_todo,
6143         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
6144         from tree-optimize.c.
6145         (init_optimization_passes): Moved from tree-optimize.c,
6146         adding the RTL optimizations.
6147         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
6148         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
6149         all_ipa_passes, all_lowering_passes, register_one_dump_file,
6150         register_dump_files, next_pass_1, last_verified, execute_todo,
6151         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
6152         init_tree_optimization_passes, ipa_passes): Delete.
6153         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
6154         the RTL dumps.
6155         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
6156         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
6157         from tree.h.
6158         (ipa_passes): Remove.
6159         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
6160         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
6161         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
6162         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
6163         (dump_info_p, dump_flag): Moved to tree-dump.h.
6164
6165         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
6166         cgraph.c, opts.c.
6167         * passes.c (finish_optimization_passes): Use dump_begin
6168         and dump_end, TDI_end.
6169         (gate_rest_of_compilation): New.
6170         (pass_rest_of_compilation): Use it.
6171         (gate_postreload, pass_postreload): New.
6172         * toplev.c (general_init): Rename init_tree_optimization_passes.
6173         * toplev.h (init_tree_optimization_passes): Rename to
6174         init_optimizations_passes.
6175         * tree-dump.c (dump_flag): Make static.
6176         (dump_files): Remove RTL dumps.
6177         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
6178         pass_cleanup_cfg, pass_free_cfg_annotations,
6179         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
6180         pass_init_datastructures, pass_fixup_cfg): Make non-static.
6181         * tree-pretty-print.c: Include tree-pass.h.
6182         * cgraph.c: Include tree-dump.h.
6183
6184 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
6185
6186         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
6187         Only fall back to saying it points to readonly memory if
6188         we can't do better.
6189
6190 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
6191
6192         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
6193         * config/m32r/m32r.c (m32r_compute_frame_size,
6194         m32r_expand_prologue): Take current_function_profile into
6195         account whenever we reference
6196         current_function_uses_pic_offset_table.
6197         (m32r_finalize_pic): Remove.
6198         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
6199
6200 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
6201
6202         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
6203         instead of $<.  Don't remove ./as if it already exists.
6204
6205 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6206
6207         PR target/21723
6208         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
6209         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
6210         for complex modes when generating code for PA 1.0.
6211         (VALID_FP_MODE_P): New macro.
6212         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
6213         sets for all general and floating point modes.  Align wide floating
6214         point modes to even register boundaries to comply with architectural
6215         requirements.
6216         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
6217         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
6218         (VALID_FP_MODE_P): New macro.
6219         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
6220         sets for all general and floating point modes.  Align wide floating
6221         point modes to even register boundaries to comply with architectural
6222         requirements.
6223
6224 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6225
6226         * tree-dump.c (dump_files): Initialize dump number for .cgraph
6227         to 0.
6228
6229 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6230
6231         * tree-ssa-structalias.c: Don't include expr.h.
6232
6233 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6234
6235         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
6236         comments.
6237
6238 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
6239
6240         Fix PR tree-optimization/22279
6241
6242         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
6243         correct operator.
6244
6245 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
6246
6247         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
6248
6249 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
6250
6251         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
6252         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
6253         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
6254         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
6255         config/stormy16/stormy16.c, config/v850/v850.c,
6256         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
6257         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
6258         Avoid "." or "\n" at end of diagnostics and capital letters at
6259         start of diagnostics.
6260         * combine.c, cse.c: Don't translate dump file output.
6261         * toplev.c (print_version): Only translate output if going to
6262         stderr.
6263
6264 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
6265
6266         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
6267         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
6268         typos.
6269
6270 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6271
6272         * pa.c (fix_range): Fix typo in comment.
6273
6274 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
6275
6276         * tree-vrp.c (extract_range_from_assert): Replace
6277         fold (build (...)) with fold_build2.
6278
6279 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6280
6281         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
6282         gcc_gfc_char_table, init_dynamic_gfc_info): New.
6283         (format_types_orig, handle_format_attribute): Add support for
6284         format "gcc_gfc".
6285
6286 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6287
6288         * varasm.c (assemble_variable): Fix format specifier thinko.
6289
6290 2005-07-03  Ira Rosen  <irar@il.ibm.com>
6291
6292         PR tree-optimization/22029 (and 22135)
6293         * tree-pretty-print.c (dump_generic_node): Check that the node is not
6294         a phi node before calling dump_vops.
6295
6296 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6297
6298         * tree-dump.h (dump_string_field): Declare.
6299         * tree-dump.c: Use it instead of dump_string.
6300         (dump_string_field): Make non-static.
6301
6302 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6303
6304         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
6305         up the minimal CFG stuff always when optimize > 0.  Call
6306         split_all_insns_noflow in PIC case if needed.
6307
6308 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6309             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
6310
6311         PR c++/18279
6312         * c-decl.c (c_write_global_declarations): Dump contents of
6313         external scope to.
6314         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
6315         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
6316         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
6317         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
6318         is enabled.
6319
6320 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
6321
6322         * c-common.h (GCC_DIAG_STYLE): Define.
6323         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
6324         version for format checking to 4.1.
6325         * c-format.c: Include toplev.h after c-common.h.
6326         (enum format_type): Add gcc_tdiag_format_type.
6327         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
6328         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
6329         (format_types_orig): Add gcc_tdiag.
6330         (init_dynamic_diag_info): Support gcc_tdiag formats.
6331         (handle_format_attribute): Likewise.
6332         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
6333         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
6334         version for format checking to 4.1.
6335         (warning0, warning, error, pedwarn, sorry): Use
6336         ATTRIBUTE_GCC_DIAG.
6337         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
6338         (finish_aliases_1): Do not use %qE.
6339         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
6340         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
6341         Correct format bugs.
6342         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
6343         parameter to unsigned HOST_WIDE_INT.
6344         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
6345
6346 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
6347
6348         PR middle-end/21742
6349         * expr.c (write_complex_part): Use adjust_address for MEM.
6350         (read_complex_part): Same.
6351
6352 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
6353
6354         Fix PR tree-optimization/22280
6355
6356         * tree-sra.c (generate_element_init): Remove useless loop.
6357
6358 2005-07-02  Richard Henderson  <rth@redhat.com>
6359
6360         * config/alpha/alpha.c (alpha_legitimize_address): Check for
6361         TLS_MODEL_NONE.
6362         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
6363
6364 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
6365
6366         PR middle-end/14490
6367         * fold-const.c (fold_binary): Handle the return value of
6368         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
6369         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
6370
6371 2005-07-02  Jeff Law  <law@redhat.com>
6372
6373         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
6374         a eliminate type conversion which feeds an equality comparison
6375         if the original type or either operand in the comparison is a
6376         function pointer.
6377
6378 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
6379
6380         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
6381         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
6382         texts.
6383         * config/avr/avr.c: Do not use '`' as left quote.
6384         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
6385         Remove "." from end of diagnostics.  Make diagnostics start with
6386         lowercase letter.
6387
6388 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
6389             Joseph S. Myers  <joseph@codesourcery.com>
6390
6391         * toplev.c (default_tree_printer): Handle setting location with
6392         '+' flag.
6393         * c-objc.common.c (c_tree_printer): Likewise.
6394         * c-format.c (gcc_diag_flag_specs): Add '+'.
6395         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
6396         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
6397         formats.
6398         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
6399         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
6400         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
6401         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
6402         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
6403         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
6404         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
6405         format arguments where %J is used without %D.
6406
6407 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
6408
6409         * gcc.c (LINK_SSP_SPEC): Define.
6410         (link_ssp_spec): New variable.
6411         (LINK_COMMAND_SPEC): Add %(link_ssp).
6412         (static_specs): Add link_ssp_spec.
6413         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
6414         * configure: Rebuilt.
6415         * config.in: Rebuilt.
6416
6417         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6418         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6419         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6420         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6421         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
6422         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
6423         -0x7008(2) instead of reading __stack_chk_guard variable.
6424         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
6425         number.
6426         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
6427         (stack_protect_set, stack_protect_test): Use *_tls* patterns
6428         if TARGET_THREAD_SSP_OFFSET is defined.
6429         (stack_tls_protect_set_si, stack_tls_protect_set_di,
6430         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
6431
6432         Revert:
6433         2005-06-27  Richard Henderson  <rth@redhat.com>
6434         * libgcc-std.ver (GCC_4.1.0): New.
6435         * libgcc.h (__stack_chk_guard): Declare.
6436         (__stack_chk_fail, __stack_chk_fail_local): Declare.
6437         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
6438         * mklibgcc.in (lib2funcs): Add them.
6439
6440 2005-07-01  Richard Henderson  <rth@redhat.com>
6441
6442         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
6443         void * before struct sigcontext *.
6444         (x86_fallback_frame_state): Likewise.
6445
6446 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
6447
6448         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
6449
6450 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
6451
6452         PR tree-opt/22269
6453         * tree-ssa-reassoc.c (should_transpose): Fix which operand
6454         we check for SSA_NAME for.
6455
6456 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
6457
6458         Fix PR tree-optimization/22071
6459
6460         * tree-ssa-structalias.c (offset_overlaps_with_access): New
6461         function.
6462         (get_constraint_for_component_ref): Use it.
6463
6464 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
6465
6466         PR other/22264
6467         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
6468         print out the last new line.
6469
6470 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
6471
6472         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
6473         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
6474         * config/cris/cris.c (cris_conditional_register_usage): Adjust
6475         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
6476         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
6477         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
6478         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
6479         (enum reg_class): New member CC0_REGS.
6480         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
6481         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
6482         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
6483         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
6484         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6485         Adjust for register now described.
6486
6487 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
6488
6489         PR target/22262
6490         * config/i386/i386.md (stack_protect_test_si,
6491         stack_protect_test_di): Add earlyclobber for scratch 3.
6492         * config/rs6000/rs6000.md (stack_protect_testsi,
6493         stack_protect_testdi): Add earlyclobber for scratch 3,
6494         remove earlyclobber from scratch 4.
6495
6496 Older entries for 2005 can be found in ChangeLog-2005.