gcc/ChangeLog

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