gcc/ChangeLog

   1 2005-12-27  Kazu Hirata  <kazu@codesourcery.com>
   2
   3         * global.c, tree-ssa-pre.c: Move DEF_VEC_P(basic_block) and
   4         DEF_VEC_ALLOC_P(basic_block,{gc,heap}) to ...
   5         * basic-block.h: ... here.
   6
   7 2005-12-27  Roger Sayle  <roger@eyesopen.com>
   8
   9         * fold-const.c (int_const_binop): Return NULL_TREE when an expression
  10         can't be evaluated at compile-time (instead of calling abort).
  11         Return NULL_TREE for division (and modulus) by zero.
  12         (const_binop):  Return NULL_TREE for floating point operators that
  13         aren't handled by real_arithmetic.
  14         (fold_binary):  Eliminate "wins" variable, and "binary" label, by
  15         folding operators with constant operands early.  Assert that
  16         operands are non-NULL.
  17
  18 2005-12-27  Kazu Hirata  <kazu@codesourcery.com>
  19
  20         * tree-vrp.c (extract_range_from_binary_expr): Use
  21         build_int_cst instead of fold_convert.
  22
  23 2005-12-26  Mark Mitchell  <mark@codesourcery.com>
  24
  25         PR c++/23171, c++/23172, c++/25417.
  26         * c-decl.c (compound_literal_number): Remove.
  27         (build_compound_literal): Use set_compound_literal_name.
  28         * c-common.c (compound_literal_number): New variable.
  29         (set_compound_literal_name): New function.
  30         * c-common.h (set_compound_literal_name): Declare.
  31
  32 2005-12-26  Kazu Hirata  <kazu@codesourcery.com>
  33
  34         PR tree-optimization/25125
  35         * convert.c (convert_to_integer): Don't narrow the type of a
  36         PLUX_EXPR or MINUS_EXPR if !flag_wrapv and the unwidened type
  37         is signed.
  38
  39 2005-12-26  Graham Stott  <graham.stott@btinternet.com>
  40
  41         PR middle-end/25568
  42         * combine.c (simplify_shift_const_1 <case PLUS>):Fix enable-checking
  43         rtl bootstrap failure.
  44
  45 2005-12-25  Kazu Hirata  <kazu@codesourcery.com>
  46
  47         * final.c (compute_alignments): Make it static.
  48         * gcse.c (gcse_main, bypass_jumps): Likewise.
  49         * web.c (web_main): Likewise.
  50         * output.h: Remove the prototype for compute_alignments.
  51         * rtl.h: Remove the prototypes for web_main, gcse_main, and
  52         bypass_jumps.
  53
  54 2005-12-24  Roger Sayle  <roger@eyesopen.com>
  55
  56         * expr.c (force_operand): Use expand_fix and expand_float to
  57         implement integer <-> FP conversions instead of convert_to_mode.
  58
  59 2005-12-24  Mark Mitchell  <mark@codesourcery.com>
  60
  61         PR c++/23171
  62         * varasm.c (initializer_constant_valid_p): An ADDR_EXPR of a
  63         CONSTRUCTOR is invalid.
  64
  65 2005-12-23  Daniel Berlin  <dberlin@dberlin.org>
  66
  67         * tree-pass.h (pass_eliminate_useless_stores): Remove.
  68         * tree-ssa-pre.c (is_copy_stmt): Ditto.
  69         (follow_copies_till_vuse): Ditto.
  70         (do_eustore): Ditto.
  71         (gate_eustores): Ditto.
  72         (pass_eliminate_useless_stores): Ditto.
  73         * passes.c (init_optimization_passes): Ditto.
  74
  75 2005-12-23  Paolo Bonzini  <bonzini@gnu.org>
  76
  77         * combine.c (simplify_shift_const): Fix typo.  Use, whenever
  78         applicable, simplify_const_binary_operation.
  79
  80         (simplify_shift_const): Leave only the fallback
  81         case when no simplification is possible.  Extract to...
  82         (simplify_shift_const_1): ... here.  Always create a new
  83         RTX instead of substituting.  Remove the signed_count variable.
  84         Return NULL_RTX if no substitution is possible.
  85
  86         (simplify_and_const_int): Leave only the fallback
  87         case when no simplification is possible.  Extract to...
  88         (simplify_and_const_int_1): ... here.  Always create a new
  89         RTX instead of substituting.  Return NULL_RTX if no substitution
  90         is possible.
  91
  92         (force_to_mode, simplify_comparison): Don't pass a non-NULL first
  93         parameter to simplify_and_const_int and simplify_shift_const,
  94         unless it is equal to the expected non-simplified result.
  95
  96 2005-12-23  Jakub Jelinek  <jakub@redhat.com>
  97
  98         PR target/25005
  99         * regrename.c (replace_oldest_value_reg): Use validate_change with
 100         IN_GROUP set to 1 instead of doing direct modifications.
 101         (copyprop_hardreg_forward_1): Likewise.  If any replace_oldest_*
 102         replacements have been performed on an instruction, use
 103         apply_change_group ().
 104
 105 2005-12-23  Hans-Peter Nilsson  <hp@axis.com>
 106
 107         * config/cris/arit.c (do_31div): Clarify what "31" refers to.
 108         [L_divsi3] (__Udiv): Don't use as inline function.
 109         [L_modsi3] (__Umod): Ditto.
 110         (__Div): Rearrange to call do_31div directly instead of __Udiv.
 111         (__Mod): Similarly regarding __Umod.
 112
 113         PR target/24342
 114         * config/cris/cris.c (cris_split_movdx): Add REG_INC notes for
 115         emitted insns with post-increments.
 116         (cris_expand_epilogue): Ditto.
 117
 118 2005-12-22  Jakub Jelinek  <jakub@redhat.com>
 119             Richard Henderson  <rth@redhat.com>
 120
 121         Merge from gomp-branch.
 122         * builtins.def: Move all DEF_SYNC_BUILTIN to ...
 123         * sync-builtins.def: ... new file.
 124         (BUILT_IN_FETCH_AND_ADD_16,
 125         BUILT_IN_FETCH_AND_SUB_16, BUILT_IN_FETCH_AND_OR_16,
 126         BUILT_IN_FETCH_AND_AND_16, BUILT_IN_FETCH_AND_XOR_16,
 127         BUILT_IN_FETCH_AND_NAND_16, BUILT_IN_ADD_AND_FETCH_16,
 128         BUILT_IN_SUB_AND_FETCH_16, BUILT_IN_OR_AND_FETCH_16,
 129         BUILT_IN_AND_AND_FETCH_16, BUILT_IN_XOR_AND_FETCH_16,
 130         BUILT_IN_NAND_AND_FETCH_16, BUILT_IN_BOOL_COMPARE_AND_SWAP_16,
 131         BUILT_IN_VAL_COMPARE_AND_SWAP_16, BUILT_IN_LOCK_TEST_AND_SET_16,
 132         BUILT_IN_LOCK_RELEASE_16): New builtins.
 133         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
 134         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
 135         * builtins.c (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
 136         * c-common.c (enum c_builtin_type): Move to top-level from
 137         c_common_nodes_and_builtins enum builtin_type.
 138         (builtin_types): Move from c_common_nodes_and_builtins.
 139         (def_fn_type): New.
 140         (c_common_nodes_and_builtins): Use it.
 141         (def_builtin_1): Check for error_mark_node.
 142         (sync_resolve_size): Handle also 128 bit sync builtins.
 143         * Makefile.in (BUILTINS_DEF): New.  Use it instead of builtins.def.
 144
 145         * config/i386/i386.h (x86_cmpxchg8b, x86_cmpxchg16b): New decls.
 146         (TARGET_CMPXCHG8B, TARGET_CMPXCHG16B): Define.
 147         * config/i386/i386.c (x86_cmpxchg8b, x86_cmpxchg16b): New variables.
 148         * config/i386/sync.md (CASMODE, DCASMODE): New mode macros.
 149         (doublemodesuffix, DCASHMODE): New mode attrs.
 150         (sync_compare_and_swap<mode>): Change into expand, use CASMODE
 151         instead of IMODE, if mode is wider than a word, expand into
 152         sync_double_compare_and_swap*.
 153         (*sync_compare_and_swap<mode>): New insn.
 154         (sync_double_compare_and_swap<mode>): Likewise.
 155         (*sync_double_compare_and_swapdi_pic): Likewise.
 156         (sync_compare_and_swap_cc<mode>): Use CASMODE instead of IMODE, if
 157         mode is wider than a word, expand into
 158         sync_double_compare_and_swap_cc*.
 159         (sync_double_compare_and_swap_cc<mode>): New insn.
 160         (*sync_double_compare_and_swap_ccdi_pic): Likewise.
 161
 162 2005-12-22  Richard Henderson  <rth@redhat.com>
 163
 164         * config/i386/mmintrin.h (_mm_add_si64): Only define for SSE2.
 165         (_mm_sub_si64): Likewise.
 166         * config/i386/xmmintrin.h (_mm_shuffle_pi16, _m_pshufw): Likewise.
 167
 168 2005-12-23  Alan Modra  <amodra@bigpond.net.au>
 169
 170         PR rtl-optimization/25432
 171         * reload1.c (eliminate_regs_in_insn): Update insn code on
 172         successfully re-recognizing modified insn.
 173
 174 2005-12-22  Richard Guenther  <rguenther@suse.de>
 175
 176         * tree.c (tree_fold_gcd): Use build_int_cst where appropriate.
 177         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
 178         * varasm.c (array_size_for_constructor): Likewise.
 179         * fold-const.c (size_diffop, invert_truthvalue,
 180         optimize_bit_field_compare, make_range, build_range_check,
 181         fold_cond_expr_with_comparison, fold_truthop,
 182         fold_single_bit_test_into_sign_test, fold_binary): Likewise.
 183
 184 2005-12-22  Dale Johannesen  <dalej@apple.com>
 185
 186         * config/i386/sse.md (sse_movhlps):  Reverse operands for
 187         2nd and 3rd alternatives.
 188
 189 2005-12-22  Andrew Pinski <pinskia@physics.uc.edu>
 190
 191         PR tree-opt/25513
 192         * tree-dfa.c (make_rename_temp): Set DECL_COMPLEX_GIMPLE_REG_P complex
 193         variables.
 194
 195 2005-12-22  Zdenek Dvorak <dvorakz@suse.cz>
 196             Steven Bosscher <stevenb@suse.de>
 197
 198         * df.c (df_bitmaps_free): Only work for bbs for that structures are
 199         allocated.
 200         (df_bb_modify): Realloc tables to the new index.
 201         (df_find_use): New function.
 202         (df_find_def, df_reg_used): Handle subregs.
 203         * df.h (df_find_use): Declare.
 204
 205         * loop-invariant.c: Include hashtab.h.
 206         (struct invariant): Remove processed field, add eqto and reg fields.
 207         (struct invariant_expr_entry): New.
 208         (invariant_for_use, hash_invariant_expr_1, invariant_expr_equal_p,
 209         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv,
 210         find_identical_invariants, merge_identical_invariants): New functions.
 211         (create_new_invariant): Return the new invariant.  Initialize new
 212         fields.
 213         (find_invariants): Call merge_identical_invariants.
 214         (get_inv_cost, best_gain_for_invariant, set_move_mark,
 215         move_invariant_reg): Handle equivalent invariants.
 216         * Makefile.in (loop-invariant.o): Add HASHTAB_H dependency.
 217
 218 2005-12-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 219
 220         PR c++/23333
 221         * c-lex.c (c_lex_with_flags): Add PURE_ZERO to cpp_flags if
 222         number is a single digit '0'.
 223
 224 2005-12-22  Kazu Hirata  <kazu@codesourcery.com>
 225
 226         PR tree-optimization/23518
 227         * fold-const.c (make_range): Don't move a constant to the
 228         other side of the comparison if the type is signed and -fwrapv
 229         is given.
 230
 231 2005-12-22  Kazu Hirata  <kazu@codesourcery.com>
 232
 233         * tree-vrp.c (extract_range_from_binary_expr): Clean up uses
 234         of vr0.type.
 235
 236 2005-12-21  Joseph S. Myers  <joseph@codesourcery.com>
 237
 238         PR middle-end/24998
 239         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add _floatundidf and
 240         _floatundisf.
 241
 242 2005-12-21  Andrew Haley  <aph@redhat.com>
 243
 244         PR middle-end/25121
 245         * recog.c (peephole2_optimize): Don't peephole any
 246         RTX_FRAME_RELATED_P insns.
 247
 248 2005-12-21  Kazu Hirata  <kazu@codesourcery.com>
 249
 250         * tree-data-ref.c (estimate_niter_from_size_of_data): Replace
 251         fold_build2 with fold_binary.
 252         * tree-ssa-ccp.c (visit_assignment, maybe_fold_stmt_addition):
 253         Replace fold_build1 with fold_unary.
 254         * tree-ssa-reassoc.c (optimize_ops_list): Replace fold_build2
 255         with fold_binary.
 256
 257 2005-12-21  Steven Bosscher  <stevenb@suse.de>
 258
 259         PR rtl-optimization/25196
 260         * postreload-gcse.c (record_last_set_info): Notice stack pointer
 261         changes in push insns without REG_INC notes.
 262
 263 2005-12-21  Kazu Hirata  <kazu@codesourcery.com>
 264
 265         PR tree-optimization/25382.
 266         * tree-vrp.c (extract_range_from_binary_expr): Extract a range
 267         from BIT_AND_EXPR.
 268
 269 2005-12-21  Janis Johnson  <janis187@us.ibm.com>
 270             Ben Elliston  <bje@au.ibm.com>
 271
 272         * configure.ac: Enable C extension for decimal float if invoked
 273         with --enable-decimal-float.
 274         * doc/install.texi (Configuration): Document it.
 275         * configure, config.in: Regenerate.
 276
 277 2005-12-20  Mike Stump  <mrs@apple.com>
 278
 279         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Handle the
 280         ambiguity between -seg_addr_table and -seg_addr_table_filename.
 281         (WORD_SWITCH_TAKES_ARG): Likewise.
 282         (LINK_SPEC): Likewise.
 283
 284 2005-12-20  Kenneth Zadeck <zadeck@naturalbridge.com>
 285
 286         * cfganal.c (flow_reverse_top_sort_order_compute):
 287         Renamed to post_order_compute and additional parameter added which
 288         allows the inclusion of entry and exit blocks into list.
 289         (mark_dfs_back_edges): Fixed comment.
 290         (flow_depth_first_order_compute): Renamed to
 291         pre_and_rev_post_order_compute additional parameter added which
 292         allows the inclusion of entry and exit blocks into list.
 293         * global.c (set_up_bb_rts_numbers): Call to
 294         flow_reverse_top_sort_order_compute renamed to
 295         post_order_compute.
 296         * var-tracking.c (vt_stack_adjustments): Fixed comment.
 297         (vt_find_locations): Call to
 298         flow_depth_first_order_compute renamed to
 299         pre_and_rev_post_order_compute.
 300         * cfgloop.c (flow_find_loops): Ditto.
 301         * tree-ssa-reassoc.c (init_reassoc): Ditto.
 302         * df.c (df_analyze_1, df_analyze_subcfg): Calls to
 303         flow_reverse_top_sort_order_compute renamed to post_order_compute
 304         and calls to flow_reverse_top_sort_order_compute renamed to
 305         post_order_compute.
 306         * basic_block.h: Ditto.
 307
 308
 309 2005-12-20  Roger Sayle  <roger@eyesopen.com>
 310             Paolo Bonzini  <bonzini@gnu.org>
 311
 312         PR rtl-optimization/25115
 313         * gcse.c (pre_insert_copy_insn): Fall back to the sole
 314         SET in the insn if there is no SET for an
 315         expression that is equivalent to EXPR.
 316
 317 2005-12-20  Richard Guenther  <rguenther@suse.de>
 318
 319         PR middle-end/24306
 320         * builtins.c (std_gimplify_va_arg_expr): Do not align
 321         va frame for zero sized types.
 322         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
 323
 324 2005-12-20  Kazu Hirata  <kazu@codesourcery.com>
 325
 326         PR tree-optimization/25501
 327         * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
 328         used in the PHI argument corresponding to the edge from BB to
 329         DEST.
 330
 331 2005-12-20  Richard Guenther  <rguenther@suse.de>
 332
 333         Revert
 334         2005-12-02  Richard Guenther  <rguenther@suse.de>
 335
 336         * tree-cfg.c (mark_used_vars): New function.
 337         (dump_function_to_file): Dump only used VAR_DECLs.
 338
 339 2005-12-19  Roger Sayle  <roger@eyesopen.com>
 340
 341         * combine.c (try_combine): Improve splitting of binary operators
 342         by taking advantage of reassociative transformations.
 343
 344 2005-12-19  Jeff Law  <law@redhat.com>
 345
 346         * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
 347         Strip away all type conversions after simplifying the
 348         condition.
 349
 350         * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
 351         cases the forwarder block dominates the destination.
 352
 353 2005-12-19  DJ Delorie  <dj@redhat.com>
 354
 355         * reload1.c (spill_failure): Dump reload data to dump file.
 356         (find_reload_regs): Likewise.
 357
 358 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
 359
 360         PR tree-optimization/24793
 361         * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
 362         original reference if there are subvars.
 363         * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
 364
 365 2005-12-19  Kenneth Zadeck <zadeck@naturalbridge.com>
 366
 367         * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
 368         Corrected basic block number calculations for changes in entry and
 369         exit numbering.
 370
 371 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
 372
 373         * tree-flow.h (struct var_ann_d): Change type of
 374         may_aliases field to VEC(tree, gc) *.
 375         (may_aliases): Declaration changed.
 376         * tree-ssa-alias.c (group_aliases, add_may_alias,
 377         replace_may_alias, dump_may_aliases_for,
 378         is_aliased_with, add_type_alias, new_type_alias):
 379         Work with VEC(tree, gc) * instead of varray.
 380         * tree-flow-inline.h (may_aliases): Ditto.
 381         * tree-ssa.c (verify_flow_insensitive_alias_info,
 382         verify_name_tags): Ditto.
 383         * tree-ssa-operands.c (add_stmt_operand): Ditto.
 384
 385 2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
 386
 387         * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
 388         comes back.
 389
 390 2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
 391
 392         * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
 393         check.
 394
 395 2005-12-19  Ben Elliston  <bje@au.ibm.com>
 396
 397         * doc/install.texi (Configuration): Typo in Fortran subheading.
 398
 399 2005-12-19  Nathan Sidwell  <nathan@codesourcery.com>
 400
 401         * config/mt/mt.md (decrement_and_branch_until_zero): Add another
 402         scratch.  Correct its reload split. Adjust its peephole.
 403         (doloop_end): Add additional scratch.
 404         (nop): Use 'nop'.
 405         * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
 406         (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
 407         (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
 408         (mt_builtin_saveregs): Replace with ...
 409         (mt_setup_incoming_varargs): ... here.  Save just the varadic
 410         args.
 411         (mt_va_start): Remove.
 412         (mt_reorg_hazard): Ignore USE insns.  Don't call set_noop_p.
 413         (mt_machine_reorg): Split all insns here.
 414         (TARGET_SETUP_INCOMING_VARARGS): Override.
 415         * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
 416         Set to CPU type.
 417         (EXPAND_BUILTIN_VA_START): Remove.
 418
 419 2005-12-17  Kenneth Zadeck <zadeck@naturalbridge.com>
 420
 421         * flow.c (update_life_info, count_or_remove_death_notes): Fixed
 422         latent bug that could happen if update_life_info was called with a
 423         blocks parameter and the call to cleanup_cfg actually deleted one
 424         of those blocks.
 425
 426 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
 427
 428         * tree-ssa-structalias.c (update_alias_info): Remove handling
 429         of may_be_aliased (SSA_NAME_VAR (op)) case.
 430
 431 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
 432
 433         * tree-flow.h (struct stmt_ann_d): Remove
 434         makes_aliased_loads and makes_aliased_stores fields.
 435         * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
 436         and makes_aliased_loads fields.
 437         * tree-ssa-dom.c (eliminate_redundant_computations): Do not
 438         use makes_aliased_stores.
 439         * tree-ssa-operands.c (clobbered_aliased_loads,
 440         clobbered_aliased_stores, ro_call_aliased_loads): Removed.
 441         (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
 442         add_call_read_ops): Do not set makes_aliased_stores and
 443         makes_aliased_loads fields.
 444         * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
 445         field.
 446
 447 2005-12-18  Geoffrey Keating  <geoffk@apple.com>
 448
 449         * config/darwin.h: Don't include darwin-sections.def to declare
 450         global variables; instead create darwin_section_enum.
 451         (darwin_section_enum): New.
 452         (darwin_sections): New.
 453         * config/darwin.c: Don't include darwin-sections.def to define
 454         global variables.
 455         (darwin_sections): New.
 456         (output_objc_section_asm_op): Rewrite to take advantage of
 457         darwin_sections.
 458         (darwin_init_sections): Rewrite to use darwin_sections.
 459         (machopic_output_indirection): Update for darwin_sections array.
 460         (machopic_select_section): Likewise.
 461         (machopic_select_rtx_section): Likewise.
 462         (machopic_asm_out_constructor): Likewise.
 463         (machopic_asm_out_destructor): Likewise.
 464         (darwin_file_end): Likewise.
 465         * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
 466         * config/i386/i386.c (machopic_output_stub): Likewise.
 467
 468 2005-12-18  Richard Guenther  <rguenther@suse.de>
 469
 470         PR tree-optimization/25481
 471         * tree-ssa-structalias.c (handle_ptr_arith): Handle accesses we
 472         don't have a varinfo for.
 473
 474 2005-12-18  Jon Grimm  <jgrimm2@us.ibm.com>
 475             Janis Johnson  <janis187@us.ibm.com>
 476             Ben Elliston  <bje@au.ibm.com>
 477
 478         * optabs.c (init_floating_libfuncs): Handle decimal float modes.
 479         (init_optabs): Handle libfuncs for decimal float.
 480         * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
 481         * stor-layout.c (int_mode_for_mode): Likewise.
 482         * simplify-rtx.c (simplify_immed_subreg): Likewise.
 483         (simplify_unary_operation_1): Skip optimisations for decimal float
 484         modes.
 485         * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
 486         * emit-rtl.c (gen_const_vector): Add assertion check.
 487         (init_emit_once): Populate const_tiny_rtx with constants in each
 488         decimal float mode.
 489         * expmed.c (extract_high_half, expand_mult_highpart_optab,
 490         expand_mult_highpart): Assert that mode is not a scalar float
 491         mode.
 492         * expr.c (convert_move): Handle conversion between decimal and
 493         binary floats of the same size.
 494         * convert.c (convert_to_real): Consider decimal float types when
 495         folding.
 496         * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
 497         describe decimal floating point types.
 498
 499 2005-12-18  Ulrich Weigand  <uweigand@de.ibm.com>
 500
 501         PR rtl-optimization/21041
 502         * reload.c (find_reloads_subreg_address): Replace paradoxical
 503         subreg of MEM by widened access only if the resulting memory
 504         is properly aligned, even on !STRICT_ALIGNMENT targets.
 505
 506 2005-12-18  Andreas Krebbel  <krebbel1@de.ibm.com>
 507
 508         * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
 509
 510 2005-12-18  Steven Bosscher  <stevenb@suse.de>
 511
 512         * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
 513         the 2005-12-17 patch to renumber the entry and exit blocks.
 514
 515 2005-12-18  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 516
 517         * doc/objc.texi (Type encoding): Fix typo.
 518
 519 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 520
 521         * tree-tailcall.c (find_tail_calls): Use XNEW.
 522         * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
 523         (free_all_edge_infos): Use explicit cast to convert from void *.
 524         (vrp_free): Likewise.
 525         (dom_opt_finalize_block): Likewise.
 526         (record_equivalences_from_incoming_edge): Likewise.
 527         (thread_across_edge): Likewise.  Use XCNEWVEC.
 528         (record_cond): Use XCNEW.
 529         (record_conditions): Use XNEWVEC.
 530         (record_edge_info): Use XCNEWVEC.
 531         (lookup_avail_expr): Use XNEW.
 532         (record_range): Likewise.  Use GGC_NEW.
 533         * tree-nested.c (var_map_hash): Use explicit cast to convert from
 534         void *.
 535         (var_map_eq): Likewise.
 536         (lookup_field_for_decl): Likewise.
 537         (convert_nonlocal_reference): Likewise.
 538         (convert_local_reference): Likewise.
 539         (convert_nl_goto_reference): Likewise.
 540         (convert_nl_goto_receiver): Likewise.
 541         (convert_call_expr): Likewise.
 542         (convert_tramp_reference): Likewise.
 543         (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
 544         (convert_nl_goto_reference): Likewise.
 545         (lookup_field_for_decl): Use GGC_NEW.
 546         (create_nesting_tree): Use GGC_CNEW.
 547         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
 548         * tree-ssa-alias.c (init_alias_info): Use XCNEW.
 549         (create_alias_map_for): Likewise.
 550         (setup_pointers_and_addressables): Use XCNEWVEC.
 551         (get_ptr_info): Use GGC_NEW.
 552         (used_part_map_eq): Use explicit cast to convert from void *.
 553         (up_lookup): Likewise.
 554         (up_insert): Use XNEW.
 555         (get_or_create_used_part_for): Use XCNEW.
 556         (get_tmt_for): Likewise.
 557         * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
 558         * tree-ssa-pre.c (phi_trans_add): Use XNEW.
 559         (bitmap_set_new): Use explicit cast to convert from void *.
 560         (set_new): Likewise.
 561         (insert_into_set): Likewise.
 562         (pool_copy_list): Likewise.
 563         (phi_translate): Likewise.
 564         (create_value_expr_from): Likewise.
 565         (insert_aux): Use XCNEWVEC.
 566         (compute_avail): Use XNEWVEC.
 567         * tree-ssa-live.c (calculate_live_on_entry): Likewise.
 568         (sort_coalesce_list): Likewise.
 569         (build_tree_conflict_graph): Use XCNEWVEC.
 570         * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
 571         * tree-ssa-copy.c (init_copy_prop): Likewise.
 572         (fini_copy_prop): Likewise.
 573         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
 574         and XCNEWVEC.
 575         (record_equiv): Use XNEW.
 576         (uncprop_into_successor_phis): Use explicit cast to convert from
 577         void *.
 578         (uncprop_initialize_block): Likewise.
 579
 580 2005-12-18  Dorit Nuzman  <dorit@il.ibm.com>
 581
 582         PR tree-optimization/24378
 583         * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
 584         basic-block after loop-versioning.
 585
 586 2005-12-18  Jeff Law  <law@redhat.com>
 587
 588         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
 589         to simplify SWITCH_EXPR_CODE moved from here to ...
 590         * tree-ssa-forwprop.c (simplify_switch_expr): Here.
 591         (tree-ssa-forward_propagate_single_use_vars): Call
 592         simplify_switch_expr when appropriate.
 593
 594 2005-12-17  Andrew Pinski  <pinskia@physics.uc.edu>
 595
 596         * doc/objc.texi (Type encoding): Add documentation about encoding
 597         complex types and _Bool.
 598
 599 2005-12-17  Paul Brook  <paul@codesourcery.com>
 600
 601         * config/m68k/m68k.md (m68k_output_function_prologue): Always call
 602         dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
 603         when frame_pointer_needed.
 604
 605 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 606
 607         * tree-vn.c (vn_add): Use XNEW.
 608         * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
 609         (ccp_fold): Likewise.
 610         (fold_stmt_r): Use explicit cast to convert from void *.
 611         * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
 612         (new_temp_expr_table): Likewise.
 613         * gimplify.c (lookup_tmp_var): Use XNEW.
 614         (gimplify_asm_expr): Use explcit cast to convert from void *.
 615         * tree-into-ssa.c (get_ssa_name_ann): Likewise.
 616         (get_def_blocks_for): Use XNEW.
 617         (add_to_repl_tbl): Likewise.
 618         (mark_def_sites): Use explicit cast to convert from void *.
 619         (def_blocks_free): Likewise.
 620         (mark_def_sites_initialize_block): Likewise.
 621         (update_ssa): Use XNEWVEC.
 622         * tree-dfa.c (create_var_ann): Use GGC_NEW.
 623         (create_stmt_ann): Likewise.
 624         (create_tree_ann): Likewise.
 625         (referenced_var_insert): Likewise.
 626         (set_default_def): Likewise.
 627         (referenced_var_lookup_if_exists): Use explicit cast to convert
 628         from void *.
 629         (referenced_var_lookup): Likewise.
 630         (default_def): Likewise.
 631         (set_default_def): Likewise.
 632         * tree-cfg.c (create_bb): Likewise.
 633         (edge_to_cases_cleanup): Likewise.
 634         (verify_node_sharing): Likewise.
 635         (record_switch_edge): Use XNEW.
 636         (cleanup_dead_labels): Use XCNEWVEC.
 637         (tree_duplicate_sese_region): Use XNEWVEC.
 638         * tree-scalar-evolution.c (get_instantiated_value): Likewise.
 639         * tree-ssa.c (verify_ssa): Use XCNEWVEC.
 640         (int_tree_map_eq): Use explicit cast to convert from void *.
 641         * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
 642         (__gcov_execl): Likewise.
 643         (__gcov_execlp): Likewise.
 644         (__gcov_execle): Likewise.
 645         * tree-eh.c (struct_ptr_eq): Likewise.
 646         (struct_ptr_hash): Likewise.
 647         (lookup_stmt_eh_region_fn): Likewise.
 648         (outside_finally_tree): Likewise.
 649         (find_goto_replacement): Likewise.
 650         (make_eh_edge): Likewise.
 651         (mark_eh_edge): Likewise.
 652         (add_stmt_to_eh_region_fn): Use GGC_NEW.
 653         (record_in_finally_tree): Use XNEW.
 654         (maybe_record_in_goto_queue): Use XRESIZEVEC.
 655         (lower_try_finally_copy): Use XCNEWVEC.
 656
 657 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 658
 659         * tree-inline.c (copy_body_r): Use explicit cast when converting
 660         from void *.
 661         (copy_bb): Likewise.
 662         (copy_edges_for_bb): Likewise.
 663         (remap_decl_1): Likewise.
 664         (estimate_num_insns_1): Likewise.
 665         * cgraph.c (hash_node): Use explicit cast when converting from
 666         void *.
 667         (eq_node): Likewise.
 668         (cgraph_create_node): Use GGC_CNEW.
 669         (cgraph_create_edge): Use GGC_NEW.
 670         (cgraph_remove_node): Use explicit cast when converting from void *.
 671         (hash_varpool_node): Likewise.
 672         (eq_varpool_node): Likewise.
 673         (cgraph_varpool_node): Use GGC_CNEW.
 674         * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
 675         * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
 676         (eq_scev_info): Use explicit cast when converting from void *.
 677         (find_var_scev_info): Likewise.
 678         (set_instantiated_value): Likewise.
 679         (gather_stats_on_scev_database_1): Likewise.
 680         * cfgloop.h (simple_loop_desc): Use explicit cast when converting
 681         from void *.
 682         * c-pch.c (c_common_write_pch): Use XNEWVEC.
 683         (c_common_read_pch): Likewise.
 684         * prefix.c (save_string): Use XNEWVEC.
 685         (translate_name): Use explicit cast when converting from void *.
 686         * c-ppoutput.c (print_line): Use explicit cast when converting
 687         from void *.
 688         (pp_dir_change): Likewise.
 689         * c-cppbuiltin.c (builtin_define_std): Likewise.
 690         (builtin_define_with_value): Likewise.
 691         (builtin_define_with_value_n): Likewise.
 692         (builtin_define_with_int_value): Likewise.
 693         (builtin_define_type_max): Likewise.
 694         * c-incpath.c (add_env_var_paths): Use XNEWVEC.
 695         (add_path): Use XNEW.
 696         * c-format.c (check_format_info_main): Use GGC_NEW.
 697         (format_type_warning): Use explicit cast when converting from void *.
 698         * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
 699         xmalloc.
 700         (start_init): Likewise.
 701         * tree-flow-inline.h (first_referenced_var): Use explicit cast
 702         when converting from void *.
 703         (next_referenced_var): Likewise.
 704         * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
 705         * gensupport.c (lookup_predicate): Use explicit cast to convert
 706         from void *.
 707         (init_predicate_table): Use XCNEW instead of xcalloc.
 708         * genpreds.c (process_define_predicate): Likewise.
 709
 710 2005-12-17  Danny Berlin <dberlin@dberlin.org>
 711             Kenneth Zadeck <zadeck@naturalbridge.com>
 712
 713         * basic-block.h: Changed basic block numbering so that the entry
 714         block is 0 and the exit block is 1.  Changed insn iterators so
 715         that they are tolerant of blocks with no insns.
 716         * regrename.c (copyprop_hardreg_forward): Changed basic block
 717         numbering so that the entry block is 0 and the exit block is 1.
 718         * sched-ebb.c (sehedule_ebbs): Ditto.
 719         * tracer.c (branch_ratio_cutoff): Ditto.
 720         * cfgloopmanip.c (fix_loop_structure): Ditto.
 721         * cfghooks.c (verify_flow_info): Ditto.
 722         * cfg.c (compact_blocks): Ditto.
 723         * reorg.c (dbr_schedule): Ditto.
 724         * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
 725         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
 726         calculate_dominance_info): Ditto.
 727         * cfganal.c (create_edge_list, print_edge_list,
 728         flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
 729         flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
 730         dfs_enumerate_from): Ditto.
 731         * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
 732         * ifcvt.c (find_if_case_2): Ditto.
 733         * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
 734         find_basic_blocks): Ditto.
 735         * predict.c (predict_loops, tree_bb_level_predictions,
 736         predict_paths_leading_to, propagate_freq): Ditto.
 737         * lcm.c (compute_antinout_edge, compute_laterin,
 738         compute_available): Ditto.
 739         * function.c (thread_prologue_and_epilogue_insns): Ditto.
 740         * gcse.c (gcse_main, bypass_jumps): Ditto.
 741         * profile.c (compute_branch_probabilities,
 742         compute_value_histograms, branch_prob): Ditto.
 743         * tree-flow-inline.h (bsi_start, bsi_after_labels,
 744         bsi_last): Ditto.
 745         * tree-ssa-phiopt.c (tree_ssa_phiopt,
 746         blocks_in_phiopt_order): Ditto.
 747         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
 748         compute_out, link_btr_uses, migrate_btr_defs): Ditto.
 749         * tree-dfa.c (collect_dfa_stats): Ditto.
 750         * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
 751         * cfglayout.c (fixup_reorder_chain): Ditto.
 752         * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
 753         partition_hot_cold_basic_blocks): Ditto.
 754         * var-tracking.c (vt_find_locations): Ditto.
 755         * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
 756         * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
 757         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
 758         label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
 759         * tree-ssa-reassoc.c (init_reassoc): Ditto.
 760         * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
 761         rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
 762         * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
 763         and removed unused reverse orders.
 764         * df.h (): Ditto.
 765         * combine.c: Fix document typo.
 766
 767 2005-12-17  Jan Hubicka  <jh@suse.cz>
 768
 769         * tree-flow-inline.h (set_default_def, default_def): Kill.
 770         * tree-dfa.c (default_defs): New global variable.
 771         (default_def, set_default_def): New functions.
 772         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
 773         * tree-flow.h (struct var_ann_d): Kill default_def field.
 774         (set_default_def, default_def): Update prototype.
 775         (default_defs): Declare.
 776
 777 2005-12-16  Jeff Law  <law@redhat.com>
 778
 779         * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
 780         (simplify_rhs_and_lookup_avail_expr): Kill.  Remnants moved
 781         into tree-ssa-forwprop.c.
 782         (eliminate_redundant_computations): Do not call
 783         simplify_rhs_and_lookup_avail_expr anymore.
 784         * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
 785         extracted from remnants of simplify_rhs_and_lookup_avail_expr.
 786         (tree_ssa_forward_propagate_single_use_vars): Call
 787         simplify_not_neg_expr appropriately.
 788
 789 2005-12-16  Bernd Trog  <berndtrog@yahoo.com>
 790
 791         PR target/20016
 792         * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
 793
 794 2005-12-17  Kazu Hirata  <kazu@codesourcery.com>
 795
 796         PR rtl-optimization/25456
 797         * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
 798         info->x_start with p->x_start.
 799
 800 2005-12-17  Alan Modra  <amodra@bigpond.net.au>
 801
 802         * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
 803         introduced 2005-12-16.
 804
 805 2005-12-16  Steven Bosscher  <stevenb@suse.de>
 806
 807         PR rtl-optimization/23837
 808         * optabs.c (expand_binop): For a multi-word rotate, never emit
 809         a REG_NO_CONFLICT block.
 810
 811 2005-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 812
 813         PR middle-end/25457
 814         * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
 815
 816         PR target/25447
 817         * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
 818         MODE_DECIMAL_FLOAT.
 819
 820 2005-12-16  Steven Bosscher  <stevenb@suse.de>
 821
 822         * loop-invariant.c (move_loop_invariants): Add missing hunk from
 823         the previous patch, to nullify df.
 824
 825 2005-12-16  Steven Bosscher  <stevenb@suse.de>
 826
 827         * reorg.c (mostly_true_jump): Clean up code depending on
 828         LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
 829         poor man's branch prediction, instead rely on REG_BR_PROB
 830         notes to be available.
 831
 832 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
 833
 834         PR rtl-optimization/24899
 835         * loop.c (strength_reduce): Don't reduce giv that is not always
 836         computable and where add_val or mult_val can trap.
 837
 838         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
 839
 840 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
 841
 842         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
 843         names of ms1-16-002 files.
 844
 845 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
 846
 847         PR driver/20425
 848         * gcc.c (for_each_path): New function.
 849         (add_to_obstack, file_at_path): New functions.
 850         (struct file_at_path_info, struct add_to_obstack_info): New.
 851         (build_search_list): Rewrite using for_each_path.  Constify struct
 852         path_prefix pointer.  Add do_multi param.  Adjust all callers.
 853         (find_a_file): Similarly, but just change existing param to bool.
 854         (putenv_from_prefixes): Add do_multi param, make "paths" const.
 855         (do_spec_path): Delete.
 856         (struct spec_path_info): New.
 857         (spec_path): New function.
 858         (do_spec_1): Use for_each_path for %D and %I.
 859         (find_file): Adjust for find_a_file changes.
 860         (main): Search multilibs for specs.  Print multilib lib path for
 861         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
 862         (read_specs): Search multilibs for %include and %include_noerr.
 863         (is_directory): Remove second string param.  Change last param
 864         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
 865         check path is a dir.  Update all callers.
 866         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
 867         * system.h (SMALL_ARG_MAX): Poison.
 868         * config.gcc: Don't define SMALL_ARG_MAX.
 869         * config.host: Likewise.
 870         * config.build: Likewise.
 871
 872 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
 873
 874         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
 875         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
 876         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
 877         simplify_logical): Move simplifications that do not require
 878         additional infrastructure...
 879         * simplify-rtx.c (simplify_unary_operation_1,
 880         simplify_binary_operation_1): ... here.
 881
 882 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
 883
 884         PR 24823
 885         * flow.c (mark_used_dest_regs): New function.
 886         (mark_used_regs): Call mark_used_dest_regs.
 887
 888 2005-12-16  Jeff Law  <law@redhat.com>
 889
 890         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
 891         represent a use and definition of the same SSA_NAME.
 892
 893 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
 894             Janis Johnson  <janis187@us.ibm.com>
 895             Ben Elliston  <bje@au.ibm.com>
 896
 897         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
 898         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
 899         * target.h (struct gcc_target): Add decimal_float_supported_p.
 900         * targhooks.c (default_scalar_mode_supported_p): Handle
 901         MODE_DECIMAL_FLOAT.
 902         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
 903         of inf, nan, finite, isinf and isnan.
 904         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
 905         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
 906         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
 907         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
 908         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
 909         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
 910         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
 911         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
 912         Pedwarn if decimal floating point types are used.  Error if
 913         decimal floating point is not supported by the target.
 914         (finish_declspecs): Return type from DFP typespec_word.
 915         * c-typeck.c (c_common_type): Choose the decimal floating point
 916         type with the greater precision when determining a common type.
 917         (convert_arguments): Warn if there is a mismatch between argument
 918         and prototype for decimal float types.  Warn of conversions with
 919         binary float types and of precision narrowing due to prototype.
 920         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
 921         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
 922         (c_token_starts_declspecs): Likewise.
 923         (c_parser_attributes): Likewise.
 924         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
 925         RID_DFLOAT64, RID_DFLOAT128.
 926         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
 927         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
 928         (shorten_compare): Convert DFP/BFP operands to a common type.
 929         (c_common_modes_and_builtins): Register built-in decimal float
 930         types if the target supports them.
 931         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
 932         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
 933         inf, nan, finite, isinf and isnan builtins.
 934         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
 935         (builtin_define_float_constants): Assert non-decimal radix.
 936         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
 937         Call builtin_define_decimal_float_constants for each type.
 938         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
 939         flags.  Use real_from_string3, which can handle binary or decimal
 940         floats.
 941         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
 942         cts_dfloat64, cts_dfloat128.
 943         * tree.c (build_common_tree_nodes_2): Add decimal float types.
 944         * tree.h (enum tree_index): Add new enumeration values
 945         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
 946         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
 947         (dfloat32_type_node): New macro.
 948         (dfloat64_type_node, dfloat128_type_node): Likewise.
 949         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
 950         (dfloat128_ptr_type_node): Likewise.
 951         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
 952         bit decimal floating point types with "df", "dd" and "dl".
 953         * c-format.h (enum format_lengths): Add new enumeration values
 954         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
 955         * c-format.c (printf_length_specs, scanf_length_specs): Add
 956         entries for H, D, DD.
 957         (print_char_table, scan_char_table): Use new entries.
 958         (asm_fprintf_char_table, gcc_diag_char_table,
 959         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
 960         length arrays.
 961         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
 962         (DECIMAL64_TYPE_SIZE): Likewise.
 963         (DECIMAL128_TYPE_SIZE): Likewise.
 964         (TARGET_DEC_EVAL_METHOD): Likewise.
 965         * doc/extend.texi (Decimal Float): New node.
 966         (Constructing Calls): Document decimal float built-ins.
 967         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
 968         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
 969         * ginclude/decfloat.h: New file.
 970
 971 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
 972
 973         * reload.c (find_reloads): Fix comment typo.
 974         * recog.h (recog_memoized): Correct comment.
 975
 976 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
 977
 978         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
 979         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
 980         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
 981         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
 982         * doc/invoke.texi, doc/tm.texi: Fix typos.
 983
 984 2005-12-16  Ben Elliston  <bje@au.ibm.com>
 985
 986         * real.c (decimal_quad_format): Correct values for emin, emax.
 987
 988 2005-12-15  DJ Delorie  <dj@redhat.com>
 989
 990         * config/m32c/predicates.md (m32c_psi_scale): New.
 991         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
 992         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
 993
 994 2005-12-16  Jan Hubicka  <jh@suse.cz>
 995
 996         PR rtl-optimization/25224
 997         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
 998         tables.
 999
1000 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
1001             Steven Bosscher <stevenb@suse.de>
1002
1003         * loop-invariant.c (df): New global variable.
1004         (find_defs, check_dependencies, find_invariant_insn, record_uses,
1005         find_invariants_bb, find_invariants_body, find_invariants,
1006         find_invariants_to_move, move_invariants, free_inv_motion_data,
1007         move_single_loop_invariants, move_loop_invariants): Do not pass df in
1008         arguments.
1009
1010 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
1011
1012         * varasm.c (default_unique_section_1): Use special section
1013         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
1014
1015 2005-12-16  Ben Elliston  <bje@au.ibm.com>
1016
1017         * doc/invoke.texi (Warning Options): Document -Walways-true being
1018         enabled by -Wall.
1019
1020 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
1021
1022         PR other/25028
1023         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
1024         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
1025         __floatunditf): Use #error if type sizes don't match requirements
1026         of implementation.
1027         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
1028         as wider floating-point type.  Use #error if type sizes don't
1029         match requirements of implementation.  Avoid overflow in computing
1030         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
1031         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
1032         (__floatundisf, __floatundidf): Likewise.
1033         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
1034         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1035         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
1036         TFmode-TImode conversions.
1037         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
1038
1039 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
1040
1041         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
1042         Use builtin_define_with_int_value() instead of
1043         adding a new check for every new major FreeBSD version.
1044
1045 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
1046
1047         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
1048
1049 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
1050
1051         * config/arm/predicates.md (call_memory_operand): New.
1052         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
1053
1054 2005-12-15  Andrew Haley  <aph@redhat.com>
1055
1056         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
1057         against prev_cache_entry == NULL when moving a cache entry to the
1058         head of the list.
1059
1060 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
1061
1062         * config/mt/mt.c (mt_override_options): Require lower case
1063         architectures.  Revert accidental default to ms2.
1064         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
1065         ENDFILE_SPEC): Require lower case architectures.  Revert default
1066         to ms2.
1067
1068         * doc/invoke.texi (MT Options): Rename and update.
1069         * doc/md.texi (MorphoTech family): Rename and update.
1070
1071 2005-12-15  Olivier Hainque  <hainque@adacore.com>
1072
1073         * stor-layout.c (layout_type): Don't complain about a too small
1074         an array element type size compared to its alignment when the
1075         size overflows.
1076
1077 2005-12-15  Jan Hubicka  <jh@suse.cz>
1078
1079         PR target/24969
1080         * i386.c (classify_argument): Properly adjust offset of bitfield for
1081         substructures.
1082
1083 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
1084
1085         * final.c (final_scan_insn): Flip in_cold_section_p when changing
1086         between the hot and cold sections.  Use current_function_section
1087         to get the new section.
1088         * dwarf2out.c (output_line_info): Use in_cold_section_p to
1089         determine whether we are assembling hot or cold code.
1090         (secname_for_decl, dwarf2out_var_location): Likewise.
1091         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
1092         * varasm.c (last_text_section): Delete.
1093         (in_cold_section_p): New variable.
1094         (hot_function_section): New function.
1095         (current_function_section): Pass in_cold_section_p as the
1096         reloc argument to select_section.  Use it to decide between
1097         unlikely_function_section and hot_function_section.
1098         (assemble_start_function): Use switch_to_section.  Set
1099         in_cold_section_p instead of last_text_section.
1100         (assemble_end_function): Use switch_to_section.
1101         (switch_to_section): Don't set last_text_section.
1102         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
1103         argument to make the right choice between hot and cold sections.
1104
1105 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
1106
1107         Second part of MS1->MT renaming
1108         * config/mt/mt.md (doloop_end): Call mt_add_loop.
1109         (movqi, movhi): Call mt_set_memflags.
1110         (*movdf_internal): Call mt_split_words.
1111         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
1112         mt_set_memflags.
1113         (cmpsi): Store to mt_compare_op[01].
1114         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
1115         bungt, bunle, bunlt): Call mt_emit_cbranch.
1116         (prologue): Call mt_expand_prologue.
1117         (epilogu): Call mt_expend_epilogue.
1118         (eh_return): Call mt_expand_eh_return.
1119         (eh_epilogue): Call me_emit_eh_epilogue.
1120         (conditional_trap): Store to mt_compare_op[01].
1121         * config/mt/crti.asm: Adjust comment.
1122         * config/mt/crtn.asm: Adjust comment.
1123         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
1124         (mt_compare_op0, mt_compare_op1): Renamed.
1125         (current_frame_info, zero_frame_info): Adjust type.
1126         (mt_ucmpsi3_libcall): Renamed.
1127         (mt_flag_delayed_branch): Renamed.
1128         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
1129         (mt_nops_required, mt_nop_reasons): Renamed.
1130         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
1131         mt_debug_stack, mt_print_operand_simple_address,
1132         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
1133         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
1134         mt_function_arg_advance, mt_arg_partial_bytes,
1135         mt_pass_by_reference, mt_function_arg_boundary,
1136         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
1137         mt_legitimate_address_p): Renamed, adjusted.
1138         (mt_cpu): Renamed.
1139         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
1140         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
1141         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p,
1142         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
1143         mt_expand_eh_return, mt_emit_eh_prologue,
1144         mt_handl_interrupt_attribute): Renamed, adjusted.
1145         (mt_attribute_table): Renamed, adjusted.
1146         (mt_initial_elimination_offset, mt_generate_compare,
1147         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
1148         mt_secondary_reload_class, mt_function_value, mt_split_words,
1149         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
1150         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
1151         (mt_labels): Renamed.
1152         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
1153         mt_machine_reorg): Renamed, adjusted.
1154         (mt_attribute_table: Renamed.
1155         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
1156         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
1157         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
1158         * config/mt/mt.opt (march): Set mt_cpu_string.
1159         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
1160         (TARGET_CPU_CPP_BUILTINS): Adjust.
1161         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
1162         TARGET_MS2): Adjust.
1163         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
1164         (MT_MIN_INT): Renamed.
1165         (RETURN_ADDR_RTX): Adjust.
1166         (struct mt_frame_info): Renamed.
1167         (current_frame_info): Adjust type.
1168         (INITIAL_ELIMINATION_OFFSET): Adjust.
1169         (MT_NUM_ARG_REGS): Renamed.
1170         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
1171         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
1172         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
1173         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
1174         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
1175         (mt_compare_op0, mt_compare_op1): Renamed.
1176         * config/mt/mt-protos.h: Rename prototypes.
1177
1178 2005-12-15  Richard Guenther  <rguenther@suse.de>
1179
1180         * tree-flow.h (okay_component_ref_for_subvars): Remove.
1181         (get_ref_base_and_extent): Declare.
1182         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
1183         (get_ref_base_and_extent): New function.
1184         * tree-ssa-alias.c (find_used_portions): Use it.
1185         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1186         Likewise.
1187         * tree-ssa-operands.c (get_expr_operands): Likewise.
1188
1189 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
1190
1191         * combine.c: Remove force_to_mode's fourth parameter.
1192         (force_to_mode): Do not handle REG.
1193         (canon_reg_for_combine): New.
1194         (make_field_assignment): Use it where the removed argument was non-NULL.
1195
1196 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
1197
1198         PR target/25406
1199         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
1200         error_mark_node.  Make alignment params unsigned.
1201         * config/rs6000/rs6000-protos.h
1202         (rs6000_special_round_type_align): Update prototype.
1203         (rs6000_machopic_legitimize_pic_address): Remove arg names.
1204
1205 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
1206
1207         PR rtl-optimization/25310
1208         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
1209         of the eliminable register when substituting into a PLUS.
1210
1211 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
1212
1213         PR debug/25023
1214         * config/i386/i386.c (ix86_force_to_memory): Always use
1215         SImode push for HImode in -m32.
1216         (ix86_free_from_memory): Likewise.
1217
1218 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
1219
1220         * gcc/config/arm/arm.md: Provide a big-endian version of the
1221         (zero_extend:SI (subreg:QI ...)) splitter.
1222
1223 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1224
1225         * struct-equiv.c (note_local_live): Handle hard regs with different
1226         hard_regno_nregs.
1227
1228 2005-12-14  Jeff Law  <law@redhat.com>
1229
1230         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
1231         to a structure containing state rather than a pointer to bool.
1232         (case ARRAY_REF): New code to handle folding some array references.
1233         (case ADDR_EXPR): Note when we are processing expressions found
1234         within an ADDRE_EXPR.
1235         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
1236         for state variables rather than just a pointer to a boolean.
1237         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1238         handling of constant string references.
1239
1240 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1241
1242         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
1243         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
1244         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
1245         Move other tst* patterns to retain partial order.
1246
1247 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1248
1249         * config/s390/s390.md ("d0", "1"): New mode attributes.
1250         ("<shift>di3", "<shift>si3"): Merge.
1251         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
1252         ("ashrdi3", "ashrsi3"): Merge.
1253         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
1254         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
1255         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
1256         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
1257         ("*ashrdi3", "*ashrsi3"): Merge.
1258         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
1259
1260 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1261
1262         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
1263         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
1264         ("*extendqidi2", "*extendqisi2") Merge.
1265         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
1266         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
1267         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
1268         Move some patterns to retain partial ordering.
1269
1270 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1271
1272         * config/s390/s390.md ("atype", "length"): Rewrite.
1273         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
1274
1275 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1276
1277         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
1278
1279 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1280
1281         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
1282         PARALLELs with a mode.
1283
1284 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1285
1286         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
1287         cond_expr parameter.
1288
1289 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1290
1291         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
1292
1293 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1294
1295         PR bootstrap/25397:
1296
1297         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
1298         of STACK_REGS bits.
1299
1300         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
1301
1302 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
1303
1304         PR target/25254
1305         PR target/24188
1306         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
1307         DECL_P, call get_section rather than get_named_section.  Supply
1308         section flags to it.
1309
1310 2005-12-14  Ben Elliston  <bje@au.ibm.com>
1311
1312         * c-common.c (c_common_truthvalue_conversion): Generalise warning
1313         for addresses converted to booleans; not just function addresses.
1314         * c-typeck.c (build_binary_op): Warn for address comparisons which
1315         can never be NULL (eg. func == NULL or &var == NULL).
1316         * common.opt (Walways-true): New option.
1317         * c-opts.c (c_common_handle_option): Set it with -Wall.
1318         * doc/invoke.texi: Document it.
1319
1320 2005-12-13  Paul Brook  <paul@codesourcery.com>
1321
1322         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
1323         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
1324
1325 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
1326
1327         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
1328         (EXTRA_MULTILIB_PARTS): Define.
1329
1330 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
1331
1332         PR rtl-optimization/20070 / part1
1333         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
1334         count_or_remove_death_notes with kill == -1.
1335         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
1336         registers if PROP_POST_REGSTACK is set.
1337         (mark_used_reg): Likewise.
1338         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1339         REG_UNUSED notes for stack regs.
1340         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1341         to match rtx_equiv_p machinery.  Change caller.
1342         (outgoing_edges_match): Likewise.
1343         (try_crossjump_to_edge): Use struct_equiv_block_eq
1344         instead of flow_find_cross_jump.
1345         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1346         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1347         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1348         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
1349         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1350         (insns_match_p): Update prototype.
1351         (flow_find_cross_jump): Remove prototype.
1352         (struct_equiv_block_eq, struct_equiv_init): Declare.
1353         (rtx_equiv_p, condjump_equiv_p): Likewise.
1354         * struct-equiv.c: Include reload.h.
1355         (IMPOSSIBLE_MOVE_FACTOR): Define.
1356         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1357         (struct_equiv_improve_checkpoint): Likewise.
1358         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1359         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1360         (struct_equiv_merge, find_dying_input): Likewise.
1361         (resolve_input_conflict, note_local_live): Likewise.
1362         (death_notes_match_p): Change parameters and processing
1363         to match rtx_equiv_p machinery.  Change caller.
1364         (insns_match_p): Likewise.
1365         (flow_find_cross_jump): Replace with:
1366         (struct_equiv_block_eq).
1367
1368         Back out this change:
1369         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1370           * recog.c (verify_changes): Make it static.
1371           * recog.h: Remove the corresponding prototype.
1372
1373 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
1374
1375         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1376         values.
1377
1378 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
1379
1380         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1381         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
1382         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1383         TARGET_MS1_64_001 appropriately.
1384         (ms1_machine_reorg): Use TARGET_MS2.
1385
1386 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
1387
1388         PR debug/25023
1389         PR target/25293
1390         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1391         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1392         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1393         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1394         Set mode to SI, adjust constraints.
1395         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1396         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1397         32-bit code.
1398
1399 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
1400
1401         * c-cppbuiltin.c (builtin_define_float_constants): Add
1402         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1403         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1404         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1405         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1406         to "((double)%sL)" otherwise "%s".
1407
1408 2005-12-13  Paul Brook  <paul@codesourcery.com>
1409
1410         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1411         apcs/atpcs.
1412
1413 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1414
1415         * tree-flow.h: Allow compilation with a C++ compiler.
1416         (struct edge_prediction): Prefix all field names  with "ep_".
1417         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1418         (tree_predict_edge, combine_predictions_for_bb): Likewise.
1419         (remove_predictions_associated_with_edge): Likewise.
1420
1421 2005-12-12  Jeff Law  <law@redhat.com>
1422
1423         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1424         reassociation code.
1425         * passes.c (init_optimization_passes): Run reassociation again
1426         after loop optimizations.
1427
1428 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
1429
1430         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1431         if necessary.
1432         (optimize_stmt): Ditto.
1433         (canonicalize_comparison): New function.
1434         * tree-ssa-operands.c (swap_tree_operands): Make external.
1435         (get_expr_operands): Stop auto-canonicalization.
1436         * tree-ssa-reassoc.c: Rewrite.
1437         (init_optimization_passes):
1438         * tree-flow.h (swap_tree_operands): Prototype.
1439         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1440
1441 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1442
1443         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1444         indicate function epilogue has been output.
1445         (pa_asm_output_mi_thunk): Likewise.
1446         (output_deferred_plabels): Put plabels in readonly data section when
1447         not generating PIC code.
1448         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1449         information.  Add assert.
1450         (som_output_comdat_data_section_asm_op): New function.
1451         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1452         instead of output_section_asm_op for COMDAT sections.
1453
1454 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
1455
1456         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1457         Fix whitespace in vincinity of to-be-installed changes.
1458         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1459         (insns_match_p): Likewise.
1460
1461 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
1462
1463         * config.gcc (ms1): Replace with ...
1464         (mt): ... this.
1465         * config/ms1: Rename to ...
1466         * config/mt: ... here.  Rename ms1 files to mt.
1467         * config/mt/mt.c: Adjust gt-mt.h #include.
1468         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1469         (crti.o, crtn.o): Adjust file names.
1470
1471 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1472
1473         * varray.h: Allow compilation with a C++ compiler.
1474         (union varray_data_tag): Prefix all field names with "vdt_".
1475         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1476         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1477         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1478         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1479         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1480         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1481         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1482         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
1483         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
1484         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
1485         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
1486         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
1487         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
1488         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1489         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
1490         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
1491         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
1492         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
1493         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
1494         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
1495         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
1496         VARRAY_TOP_TREE_PTR): Likewise.
1497         * varray.c (varray_grow): Likewise.
1498         (varray_clear): Likewise.
1499
1500 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
1501
1502         PR target/25299
1503         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1504         alignment to doubleword if the first field is a double array.
1505         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1506
1507 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1508
1509         * tree-ssa-structalias.c (process_constraint): Remove code to
1510         transform addressofs into scalar.
1511         (create_variable_info_for): In whole-program IPA, globals don't
1512         point to ANYTHING by default.
1513
1514 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1515
1516         * timevar.def (TV_IPA_PTA): New.
1517         * tree-pass.h (pass_ipa_pta): New
1518         * tree-ssa-structalias.c: Include cgraph.h
1519         (in_ipa_mode): New.
1520         (predbitmap_obstack): New.
1521         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1522         (struct constraint_stats): Add num_edges.
1523         (new_var_info): Don't call bitmap_clear.
1524         (struct constraint_edge): Update docs.
1525         (new_constraint_edge): Remove src param.
1526         (struct constraint_graph): Add zero_weight_succs,
1527         zero_weight_preds.  Update docs.
1528         (constraint_expr_equal): Reformat.
1529         (constraint_edge_equal): Update for removal of src.
1530         (constraint_edge_less): Ditto.
1531         (constraint_edge_vec_find): Ditto.
1532         (erase_graph_self_edge): Update for removal of src and and zero
1533         weight bitmap.
1534         (clear_edges_for_node): Ditto.
1535         (add_graph_edge): Ditto.
1536         (get_graph_weights): Ditto.
1537         (allocate_graph_weights): Ditto.
1538         (merge_graph_nodes): Ditto.
1539         (int_add_graph_edge): Ditto.
1540         (valid_graph_edge): Ditto.
1541         (valid_weighted_graph_edge): Ditto.
1542         (build_constraint_graph): Ditto.
1543         (scc_visit): Ditto.
1544         (collapse_nodes): Ditto.
1545         (process_unification_queue): Ditto.
1546         (topo_visit): Ditto.
1547         (solve_graph): Ditto.
1548         (do_structure_copy): Ditto.
1549         (perform_var_substitution): Ditto.
1550         Init and release obstack.
1551         (handle_ptr_arith): Try to resolve directly.
1552         (find_func_aliases): Don't call update_alias_info here
1553         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1554         (do_sd_constraint): Add code for propagating faster.
1555         Update.
1556         (do_ds_constraint): Ditto.
1557         (count_num_arguments): New function.
1558         (create_function_info_for): Ditto.
1559         (create_variable_info_for): Handle FUNCTION_DECL.
1560         (intra_create_variable_infos): Use make_constraint_to_anything.
1561         (init_alias_vars): Init obstacks here.
1562         (need_to_solve): Handle zero weight graph changes.
1563         (compute_points_to_sets): Call update_alias_info here.
1564         (delete_points_to_sets): Free zero weight preds/succs here.
1565         (gate_ipa_pta): New.
1566         (ipa_pta_execute): New
1567
1568 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1569
1570         * tree-ssa-structalias.c (var_anyoffset): Removed.
1571         (anyoffset_tree): Ditto.
1572         (anyoffset_id): Ditto.
1573         (do_deref): Take vector of constraints, no return value.
1574         Update to work on vector.
1575         (get_constraint_for): Ditto.
1576         (get_constraint_for_component_ref): Ditto.
1577         (do_structure_copy): Ditto.
1578         (handle_ptr_arith): Ditto.
1579         (find_func_aliases): Ditto.
1580         (set_uids_in_ptset): Remove anyoffset handling.
1581         (init_base_vars): Ditto.
1582
1583 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
1584
1585         PR c++/25010
1586         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1587         DECL_EXTERNAL functions have no bodies.  Tidy.
1588
1589 2005-12-10  Andreas Schwab  <schwab@suse.de>
1590
1591         * except.c (switch_to_exception_section): Only define if
1592         TARGET_UNWIND_INFO is not defined.
1593
1594 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1595
1596         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1597         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1598
1599 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1600
1601         * output.h (init_section, fini_section): Delete.
1602         * varasm.c (init_section, fini_section): Delete.
1603         (init_varasm_once): Don't initialize them.
1604         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1605         there are no corresponding varasm.c variables.
1606
1607 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1608
1609         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1610         of EH_FRAME_SECTION_NAME into...
1611         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
1612         if it is still null.
1613         * except.c (default_exception_section): Delete, moving most
1614         of the code to...
1615         (switch_to_exception_section): ...this new function.  Set
1616         exception_section if it is still null, then switch to it.
1617         (output_function_exception_table): Use switch_to_exception_section.
1618         * varasm.c (exception_section, eh_frame_section): Update comments.
1619         (get_section): Hoist use of SECTION_NAMED.
1620         (init_varasm_once): Don't set exception_section and eh_frame_section.
1621         * output.h (default_exception_section): Delete.
1622         (default_eh_frame_section): Delete.
1623
1624 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
1625
1626         * config/bfin/bfin.c: Include "cgraph.h".
1627         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1628         Return the reg that holds the pointer to the GOT.
1629         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1630         doing stack checking.
1631
1632 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
1633
1634         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1635         recompute_tree_invarant_for_addr_expr.
1636         Update uses everywhere.
1637
1638 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
1639
1640         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1641         (MULTILIB_DIRNAMES): Define.
1642
1643 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1644
1645         PR target/25311
1646         * config/s390/s390.c (struct s390_address): New field literal_pool.
1647         (s390_decompose_address): Compute literal_pool field.  Do not
1648         assume register %r13 is always (and solely) used as pool base.
1649         (s390_extra_constraint_str): Use literal_pool field.
1650
1651 2005-12-09  Thiemo Seufer  <ths@networkno.de>
1652
1653         * config/mips/mips.c (override_options): Don't allow too small
1654         integers in FP registers.
1655
1656 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1657
1658         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1659         targetm.binds_local_p to check for local function calls.
1660
1661 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
1662
1663         PR debug/24908
1664         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1665         call_used_regs can't be used to save reg in another reg.
1666
1667 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1668             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
1669
1670         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1671         abort.
1672         * except.c (output_ttype): Likewise.
1673         * tree-object-size.c (collect_object_sizes_for): Likewise.
1674         (check_for_plus_in_loops_1): Likewise.
1675         (check_for_plus_in_loops): Likewise.
1676         (compute_object_sizes): Use gcc_unreachable instead of abort.
1677
1678 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
1679
1680         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1681         (loop_end, loop_init, doloop_end): New insns.
1682         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1683         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1684         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1685         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1686         * config/ms1/ms1.c: #include basic-block.h
1687         (struct machine_function): Add has_loops field.
1688         (ms1_add_loop): New.
1689         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1690         (struct loop_info, struct loop_work): New.
1691         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1692         (ms1_reorg_loops): New loop optimization.
1693         (ms1_machine_reorg): Call it.
1694         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1695
1696 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
1697
1698         PR tree-optimization/25248
1699         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1700         evolution_of_loop from the failed attempt.  Remove handling
1701         of MULT_EXPR.
1702
1703 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1704
1705         * tree.h (DECL_EXTERNAL): Clarify documentation.
1706
1707 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1708             Jakub Jelinek  <jakub@redhat.com>
1709
1710         PR target/25268
1711         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1712         argument.  Don't drop outer ANDs.
1713         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1714         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1715         prototype.
1716         * config/s390/predicates.md (setmem_operand): Remove.
1717         (shift_count_operand): Rename to...
1718         (shift_count_or_setmem_operand): ... this.  Adjust
1719         s390_decompose_shift_count caller.
1720         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1721         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1722         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1723         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1724         rotl<mode>3_and, setmem_long_and): New insns.
1725         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1726         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1727         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1728         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1729         of shift_count_operand.
1730         (setmem_long): Use shift_count_or_setmem_operand instead of
1731         setmem_operand.
1732
1733 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>
1734             Andreas Tobler  <a.tobler@schweiz.ch>
1735
1736         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1737         tr expression.
1738
1739 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1740
1741         * expr.c (force_operand): Use convert_to_mode for conversions.
1742
1743 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1744
1745         * reload.h (reg_equiv_invariant): Declare.
1746         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1747         register also when reg_equiv_invariant[R] is set.
1748
1749 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1750             Andreas Tobler  <a.tobler@schweiz.ch>
1751
1752         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1753
1754 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
1755
1756         * tree-ssa-pre.c (bitmap_set_and): New function.
1757         (bitmap_set_and_compl): New function.
1758         (bitmap_set_empty_p): New function.
1759         (insert_extra_phis): New function.
1760         (compute_avail): Use insert_extra_phis.
1761
1762 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1763
1764         * config/s390/s390.c (s390_expand_atomic): New function.
1765         Adjust comment of helper functions.
1766         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1767         * config/s390/s390.md ("ATOMIC"): New code macro.
1768         ("atomic"): Corresponding new code attribute.
1769         ("sync_lock_test_and_set[hq]i",
1770         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1771
1772 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1773
1774         * config/s390/s390.c (s390_expand_mask_and_shift,
1775         struct alignment_context, init_alignment_context,
1776         s390_expand_cs_hqi): New.
1777         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1778         * config/s390/s390.md ("sync_compare_and_swaphi",
1779         "sync_compare_and_swapqi"): New pattern.
1780
1781 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
1782
1783         Fix PR tree-optimization/25291
1784         * tree-ssa-operands.c (add_call_clobber_ops): Remove
1785         redundant and crashing check.
1786
1787 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
1788
1789         PR target/25212
1790         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1791         tests further when !strict && reload_in_progress.
1792         (print_operand): Check that both operands of indexed address are regs.
1793         (print_operand_address): Likewise.
1794         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1795         (INT_REG_OK_FOR_BASE_P): Correct.
1796
1797 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1798
1799         Preparation for PR rtl-optimization/20070 / part1
1800         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1801         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1802         outgoing_edges_match.
1803         (outgoing_edges_match): Use condjump_equiv_p.
1804         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1805         into..
1806         * struct-equiv.c: New file.
1807         (death_notes_match_p) New function, broken out of insns_match_p.
1808         * Makefile.in (OBJS-common): Add struct-equiv.o.
1809         (struct-equiv.o): New target.
1810
1811 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1812
1813         * coretypes.h: Revert previous change.
1814         * config/darwin.h: Revert previous reversion.
1815         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1816
1817 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1818
1819         * coretypes.h (section): Provide dummy definition for target files.
1820         * config/darwin.h: Revert previous change.
1821
1822 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1823
1824         * doc/sourcebuild.texi (all.build, install-normal): Remove.
1825         * configure.ac: Remove all.build and install-normal from target_list
1826         * configure: Regenerate.
1827         * Makefile.in (install): Don't depend on install-normal.
1828
1829 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1830
1831         * Makefile.in: Document the use of stamps.
1832
1833 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1834
1835         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1836         * Makefile.in: Add code to compute some dependencies on s-gtype
1837         automatically.  Remove the declaration of those dependencies.
1838
1839 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1840
1841         * gcc/reload.c (push_secondary_reload): Fix typo:
1842         s/insn_constraint/scratch_constraint/.
1843
1844 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1845
1846         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1847
1848 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1849
1850         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1851         (alpha_elf_select_rtx_section): Return the selected section rather
1852         than emitting assembly code.
1853         (alpha_write_linkage): Emit a ".link" directive directly and then
1854         set in_section to NULL.
1855         (vms_asm_out_constructor): Use switch_to_section.
1856         (vms_asm_out_destructor): Likewise.
1857         (unicosmk_output_common): Set in_section to NULL instead of calling
1858         the dummy common_section function.
1859         (unicosmk_text_section): Delete in favor of...
1860         (unicosmk_output_text_section_asm_op): ...this new function.
1861         (unicosmk_data_section): Delete in favor of...
1862         (unicosmk_output_data_section_asm_op): ...this new function.
1863         (unicosmk_init_sections): New function.
1864         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1865         (unicosmk_output_ssib): Set in_section to NULL instead of calling
1866         the dummy ssib_section function.
1867         (unicosmk_section_buf): Delete.
1868         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1869         (unicosmk_data_section): Delete.
1870         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1871         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1872         (SECTION_FUNCTION_TEMPLATE): Delete.
1873         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1874         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1875         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1876         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1877         (TARGET_ASM_INIT_SECTIONS): Define.
1878         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1879         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1880         (link_section, literals_section): Delete.
1881         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1882         set in_section to NULL.
1883
1884         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1885         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1886         (COMMON_SECTION): Delete.
1887         (TARGET_ASM_INIT_SECTIONS): Define.
1888         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1889         the dummy common_section function.
1890         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1891         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1892         between readonly_data_section and text_section to check whether
1893         read-only data is being put in the text section.
1894         (arm_output_function_epilogue): Use switch_to_section.
1895         (arm_elf_asm_constructor): Likewise.
1896         (thumb_call_via_reg): Replace call to in_text_section with
1897         a comparison between in_section and text_section.
1898         (arm_file_end): Use switch_to_section.
1899         (aof_text_section): Delete in favor of...
1900         (aof_output_text_section_asm_op): ...this new function.
1901         (aof_data_section): Delete in favor of...
1902         (aof_output_data_section_asm_op): ...this new function.
1903         (aof_asm_init_sections): New function.
1904         (zero_init_section): Moved from config/arm/aof.h.
1905         (aof_dump_imports, aof_file_start): Use switch_to_section.
1906         * config/arm/arm.h (thumb_call_via_label): Update comment.
1907         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1908         (common_section): Delete.
1909         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1910         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1911         global switch_to_section function instead of the old port-local one.
1912         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1913         (SWITCH_TO_SECTION_FUNCTION): Delete.
1914         (drectve_section): Redefine as a macro.
1915         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1916         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1917         switch_to_section.
1918
1919         * config/avr/avr.c (progmem_section): New variable.
1920         (avr_output_progmem_section_asm_op): New function.
1921         (avr_asm_init_sections): New function.
1922         (avr_output_addr_vec_elt): Use switch_to_section.
1923         * config/avr/avr.h (progmem_section): Declare.
1924         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1925         (READONLY_DATA_SECTION): Delete.
1926         (TARGET_ASM_INIT_SECTIONS): Define.
1927         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1928         * config/avr/avr-protos.h (progmem_section): Delete.
1929
1930         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1931
1932         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1933         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1934
1935         * config/darwin-sections.def: New file.
1936         * config/darwin.c: Define all sections in darwin-sections.def.
1937         (output_objc_section_asm_op, darwin_init_sections): New functions.
1938         (machopic_output_indirection): Use switch_to_section.
1939         (machopic_select_section): Return the selected section rather than
1940         emitting assembly code.  Replace the static function table with
1941         inline conditional expressions.  Update the tests of last_text_section
1942         and move them into the FUNCTION_DECL block.
1943         (machopic_select_rtx_section): Return the selected section rather than
1944         emitting assembly code.
1945         (machopic_asm_out_constructor, machopic_asm_out_destructor)
1946         (darwin_file_end): Use switch_to_section.
1947         * config/darwin.h: Use darwin-sections.def to declare sections.
1948         (INIT_SECTION_ASM_OP): Remove empty definition.
1949         (HAS_INIT_SECTION): Define this instead.
1950         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1951         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1952         (TARGET_ASM_EH_FRAME_SECTION): Delete.
1953         (TARGET_ASM_INIT_SECTIONS): Define.
1954         * config/darwin-protos.h (darwin_init_sections): Declare.
1955         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1956         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1957         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1958         (constructor_section, destructor_section, mod_init_section): Delete.
1959         (mod_term_section): Delete.
1960         (darwin_exception_section, darwin_eh_frame_section): Delete.
1961         (machopic_select_section): Return a section.
1962         (machopic_select_rtx_section): Likewise.
1963         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1964         (const_section, const_coal_section, const_data_section): Delete.
1965         (const_data_coal_section, data_coal_section, cstring_section): Delete.
1966         (literal4_section, literal8_section, constructor_section): Delete.
1967         (mod_init_section, mod_term_section, destructor_section): Delete.
1968         (objc_class_section, objc_meta_class_section, objc_category_section)
1969         (objc_class_vars_section, objc_instance_vars_section): Delete.
1970         (objc_cls_meth_section, objc_inst_meth_section): Delete.
1971         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1972         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1973         (objc_symbols_section, objc_module_info_section): Delete.
1974         (objc_image_info_section, objc_protocol_section): Delete.
1975         (objc_string_object_section, objc_constant_string_object_section)
1976         (objc_class_names_section, objc_meth_var_names_section): Delete.
1977         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1978         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1979         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1980         (darwin_exception_section, darwin_eh_frame_section): Delete.
1981         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1982
1983         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1984         (frv_asm_out_destructor): Likewise.
1985         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1986         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1987         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1988         get_named_section.
1989         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1990         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1991         (data_section): Delete.
1992
1993         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1994         (DRECTVE_SECTION_FUNCTION): Delete.
1995         (drectve_section): Redefine as a macro that sets in_section after
1996         emitting the directive.
1997         (SWITCH_TO_SECTION_FUNCTION): Delete.
1998         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1999         in_text_section with comparison between in_section and text_section.
2000         * config/i386/i386.c (x86_64_elf_select_section): Return the section
2001         rather than emitting assembly code.  Use get_named_section.
2002         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
2003         get_named_section.
2004         (machopic_output_stub): Use switch_to_section.
2005         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
2006         (nwld_named_section_asm_out_destructor): Use get_section and
2007         switch_to_section.
2008
2009         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
2010         rather than emitting assembly code.
2011         (ia64_rwreloc_select_section): Likewise.
2012         (ia64_rwreloc_select_rtx_section): Likewise.
2013         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
2014         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
2015         switch_to_section.
2016         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2017         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
2018
2019         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
2020         section rather than emitting assembly code.
2021         (iq2000_select_section): Likewise.
2022         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
2023         (sbss_section): Delete.
2024
2025         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
2026         and get_named_section.
2027         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
2028
2029         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
2030         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
2031         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
2032         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
2033         in_section to NULL.
2034         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
2035         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
2036         global switch_to_section function instead of the old port-local one.
2037         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2038         (SWITCH_SECTION_FUNCTION): Delete.
2039         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
2040         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
2041         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
2042         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
2043         in_section to NULL.
2044         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
2045         global switch_to_section function instead of the old port-local one.
2046         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
2047
2048         * config/mips/mips.c (mips_file_start): Update comment.
2049         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
2050         (mips_output_aligned_decl_common): Use switch_to_section.
2051         (mips_select_rtx_section): Return the section rather than emitting
2052         assembly code.  Use get_named_section.
2053         (mips_function_rodata_section: Likewise get_section.
2054         (build_mips16_function_stub): Use switch_to_section.
2055         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
2056         (SDATA_SECTION_ASM_OP): Delete.
2057         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
2058         (EXTRA_SECTION_FUNCTIONS): Delete.
2059
2060         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
2061         (mmix_asm_output_aligned_local): Use switch_to_section.
2062
2063         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
2064         (som_one_only_readonly_data_section): New variables.
2065         (pa_output_function_epilogue): Set in_section to NULL instead of
2066         calling forget_section.
2067         (output_deferred_plabels): Use select_section.
2068         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
2069         of calling forget_section.
2070         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
2071         (pa_asm_output_aligned_local): Use select_section.
2072         (som_text_section_asm_op): Delete in favor of...
2073         (som_output_text_section_asm_op): ...this new function.
2074         (pa_som_asm_init_sections): New function.
2075         (pa_select_section): Return the section rather than emitting
2076         assembly code.
2077         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2078         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
2079         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
2080         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
2081         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
2082         (som_readonly_data_section, som_one_only_readonly_data_section)
2083         (som_one_only_data_section, forget_section): Delete.
2084         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
2085         (TARGET_ASM_INIT_SECTIONS): Define.
2086         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
2087
2088         * config/rs6000/rs6000.c (read_only_data_section): New variable.
2089         (private_data_section, read_only_private_data_section): New variables.
2090         (sdata2_section, toc_section): New variables.
2091         (rs6000_file_start): Use switch_to_section.
2092         (rs6000_assemble_integer): Use comparisons against in_section
2093         instead of calling in_toc_section and in_text_section.  Use
2094         unlikely_text_section_p.
2095         (rs6000_elf_output_toc_section_asm_op): New function, derived
2096         from the old rs6000/sysv4.h toc_section function.
2097         (rs6000_elf_asm_init_sections): New function.
2098         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
2099         the section rather than emitting assembly code.
2100         (machopic_output_stub): Use switch_to_section.
2101         (toc_section): Delete dummy function.
2102         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
2103         switch_to_section and get_section.
2104         (rs6000_xcoff_output_readonly_section_asm_op): New function.
2105         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
2106         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
2107         the old rs6000/xcoff.h toc_section function.
2108         (rs6000_xcoff_asm_init_sections): New function.
2109         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
2110         the section rather than emitting assembly code.
2111         (rs6000_xcoff_file_start): Use switch_to_section.
2112         (rs6000_xcoff_file_end): Likewise.
2113         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
2114         (sdata2_section, sbss_section, private_data_section): Delete.
2115         (read_only_data_section, read_only_private_data_section): Delete.
2116         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2117         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
2118         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
2119         (FINI_SECTION_FUNCTION): Delete.
2120         (TARGET_ASM_INIT_SECTIONS): Define.
2121         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
2122         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2123         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
2124         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
2125         (READONLY_DATA_SECTION): Delete.
2126         (TARGET_ASM_INIT_SECTIONS): Define.
2127         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
2128         to NULL rather than no_section.
2129         (TARGET_ASM_EXCEPTION_SECTION): Delete.
2130
2131         * config/sh/sh.c (sh_file_start): Use switch_to_section.
2132
2133         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
2134         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
2135         from call to current_function_section.
2136
2137         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
2138         (bss100_section): New variable.
2139         (xstormy16_asm_output_aligned_common): Use switch_to_section.
2140         (xstormy16_asm_init_sections): New function.
2141         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
2142         switch_to_section and get_section.
2143         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
2144         from calls to current_function_section.
2145         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
2146         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
2147         (TARGET_ASM_INIT_SECTIONS): Define.
2148         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
2149
2150         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
2151         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
2152         (FINI_SECTION_FUNCTION): Delete.
2153
2154         * config/v850/v850.c: Include gt-v850.h.
2155         (rosdata_section, rozdata_section, tdata_section, zdata_section)
2156         (zbss_section): New variables.
2157         (v850_output_aligned_bss): Use switch_to_section.
2158         (v850_asm_init_sections): New function.
2159         (v850_select_section): Return the section rather than emitting
2160         assembly code.
2161         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2162         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
2163         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
2164         (TARGET_ASM_INIT_SECTIONS): Define.
2165         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
2166         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
2167         (zbss_section): Delete.
2168
2169         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
2170
2171         * config/vx-common.h (vxworks_exception_section): Delete.
2172         (TARGET_ASM_EXCEPTION_SECTION): Delete.
2173
2174         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
2175         section rather than emitting assembly code.
2176         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
2177         switch_to_section.
2178
2179         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
2180         * coretypes.h (section): New union and typedef.
2181         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
2182         from call to current_function_section.
2183         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
2184         (dbxout_symbol_location): Use switch_to_section.
2185         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
2186         most of the code into...
2187         (default_eh_frame_section): ...here.  Return a section.
2188         (collect2_eh_frame_section): Delete, moving most of the code into..
2189         (switch_to_eh_frame_section): ...this new function.
2190         (debug_info_section, debug_abbrev_section, debug_aranges_section)
2191         (debug_macinfo_section, debug_line_section, debug_loc_section)
2192         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
2193         variables.
2194         (output_call_frame_info): Call switch_to_eh_frame_section instead of
2195         eh_frame_section.  Use switch_to_section and get_section.
2196         (dwarf2out_begin_prologue): Use switch_to_section.
2197         (AT_string_form): Check the flags in debug_str_section instead of
2198         DEBUG_STR_SECTION_FLAGS.
2199         (output_comp_unit): Use switch_to_section, get_section, and
2200         debug_info_section.
2201         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
2202         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
2203         from call to current_function_section.
2204         (dwarf2out_var_location): Use unlikely_text_section_p.
2205         (dwarf2out_source_line): Use switch_to_section.  Remove argument
2206         from call to current_function_section.
2207         (dwarf2out_start_source_file, dwarf2out_end_source_file)
2208         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
2209         debug_macinfo_section.
2210         (dwarf2out_init): Initialize the new section variables.  Use them
2211         instead of calls to named_section_flags.  Use switch_to_section.
2212         (output_indirect_string): Use switch_to_section and debug_str_section.
2213         (dwarf2out_finish): Use switch_to_section and the new section
2214         variables.
2215         * except.c (default_exception_section): Return the section instead
2216         of emitting assembly code.
2217         (output_function_exception_table): Use the global exception_section
2218         variable instead of the target hook.  Use switch_to_section.  Remove
2219         argument from call to current_function_section.
2220         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
2221         (shorten_branches): Use pointer comparisons to detect whether the
2222         text section is the same as readonly_data_section.
2223         (profile_function): Use switch_to_section.  Remove argument from
2224         call to current_function_section.
2225         (final_scan_insn): Likewise.  Update use of last_text_section.
2226         * gengtype.c (open_base_files): Add an include of output.h.
2227         * output.h (text_section, data_section, readonly_data_section)
2228         (ctors_section, dtors_section, bss_section, init_section)
2229         (fini_section, sdata_section): Turn into section pointers.
2230         (in_text_section, in_unlikely_text_section, exports_section)
2231         (drectve_section, named_section, mergeable_string_section)
2232         (last_text_section_name): Delete.
2233         (default_exception_section, default_eh_frame_section): Return sections.
2234         (SECTION_DECLARED, SECTION_NAMED): New macros.
2235         (SECTION_MACH_DEP): Bump value.
2236         (section_common, named_section, unnamed_section): New structures.
2237         (unnamed_section_callback): New typedef.
2238         (section): New union.
2239         (sbss_section, exception_section, eh_frame_section): New variables.
2240         (in_section, last_text_section): Turn into section pointers.
2241         (get_unnamed_section, get_section, get_named_section): New functions.
2242         (mergeable_constant_section, function_section): Return a section.
2243         (unlikely_text_section): Likewise.
2244         (current_function_section): Likewise.  Remove the decl argument.
2245         (unlikely_text_section_p, switch_to_section): New functions.
2246         (output_section_asm_op): New function.
2247         (set_named_section_flags, named_section_flags, named_section_real)
2248         (named_section_first_declaration): Delete.
2249         (default_select_section, default_elf_select_section): Return a section.
2250         (default_elf_select_section_1, default_function_rodata_section)
2251         (default_no_function_rodata_section, default_select_rtx_section)
2252         (default_elf_select_rtx_section): Likewise.
2253         * rtl.h (in_data_section): Delete.
2254         * sdbout.c (sdbout_one_type): Use switch_to_section.
2255         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
2256         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
2257         (TARGET_ASM_EH_FRAME_SECTION): Poison.
2258         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
2259         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
2260         (TARGET_ASM_OUT): Update after above changes.
2261         * target.h (init_sections): New hook.
2262         (exception_section, eh_frame_section): Delete.
2263         (select_section, select_rtx_section, function_rodata_section): Return
2264         a section rather than emitting assembly code.
2265         * varasm.c (text_section, data_section, readonly_data_section)
2266         (ctors_section, dtors_section, bss_section, init_section)
2267         (fini_section): Turn into section pointers.
2268         (sdata_section, sbss_section, exception_section): New variables.
2269         (eh_frame_section): New variable.
2270         (in_section): Make global and turn into a section pointer.
2271         (last_text_section): Turn into a section pointer.
2272         (unnamed_sections): New variable.
2273         (in_named_name, last_text_section_name): Delete.
2274         (EXTRA_SECTION_FUNCTIONS): Delete.
2275         (in_named_entry): Delete.
2276         (section_htab): New variable, replacing...
2277         (in_named_htab): ...this deleted variable.
2278         (section_entry_eq, section_entry_hash): New functions, based on...
2279         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
2280         (get_unnamed_section, get_section): New functions.
2281         (unlikely_text_section): Return a section instead of emitting
2282         assembly code.
2283         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
2284         (get_named_section_flags, named_section_first_declaration): Delete.
2285         (unlikely_text_section_p): New function.
2286         (named_section_real, named_section): Delete.
2287         (get_named_section): New function.
2288         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
2289         (function_section): Return a section rather than emitting
2290         assembly code.
2291         (current_function_section): Likewise.  Remove argument.  Use
2292         last_text_section if nonnull, otherwise use function_section.
2293         (default_function_rodata_section): Return a section rather than
2294         emitting assembly code.  Use get_section.
2295         (default_no_function_rodata_section): Return a section rather than
2296         emitting assembly code.
2297         (variable_section): Use switch_to_section and get_named_section.
2298         (mergeable_string_section): Return a section rather than emitting
2299         assembly code.  Use get_section.  Make static.  Don't take special
2300         countermeasures for empty strings.
2301         (mergeable_constant_section): Return a section rather than emitting
2302         assembly code.  Use get_section.
2303         (default_named_section_asm_out_destructor): Use switch_to_section
2304         and get_section.
2305         (default_dtor_section_asm_out_destructor): Use switch_to_section.
2306         (default_named_section_asm_out_constructor): Use switch_to_section
2307         and get_section.
2308         (default_ctor_section_asm_out_constructor): Use switch_to_section.
2309         (assemble_start_function): Likewise.  Set last_text_section to
2310         NULL rather than no_section.  Change the type of save_section.
2311         (assemble_zeros, assemble_variable): Use the section flags to detect
2312         whether or not a section is text.
2313         (assemble_static_space): Use switch_to_section.
2314         (assemble_trampoline_template): Likewise.
2315         (output_constant_def_contents): Use switch_to_section and
2316         get_named_section.
2317         (output_constant_pool_1): Use switch_to_section.  Use the section
2318         flags to see whether sections contain mergeable data.
2319         (init_varasm_once): Initialize section_htab instead of in_named_htab.
2320         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
2321         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
2322         whether a section has already been declared.
2323         (default_select_section, default_elf_select_section): Return a
2324         section rather than emitting assembly code.
2325         (default_elf_select_section_1): Likewise.  Use bss_section for
2326         SECCAT_BSS if nonnull.  Use get_named_section.
2327         (default_select_rtx_section): Return a section rather than
2328         emitting assembly code.
2329         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
2330         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
2331         (output_section_asm_op, switch_to_section): New functions.
2332         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
2333         get_named_section.
2334
2335         * doc/tm.texi: Expand the introduction to the sections documentation.
2336         (TRAMPOLINE_SECTION): Document new interface.
2337         (SDATA_SECTION_ASM_OP): Document new macro.
2338         (READONLY_DATA_SECTION): Delete.
2339         (SDATA_SECTION_ASM_OP): Document new macro.
2340         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2341         (TARGET_ASM_INIT_SECTIONS): Document new hook.
2342         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2343         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2344         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2345
2346 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
2347
2348         * gcc.c (init_gcc_specs): Match braces inside conditionally
2349         compiled strings.
2350
2351 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
2352
2353         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2354
2355 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
2356
2357         PR C++/24138
2358         * tree.c (integer_all_onesp): Always return true if all bits on.
2359
2360         * testsuite/g++.dg/init/array0.C: New.
2361
2362 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
2363
2364         * doc/md.texi: Adapt to implementation.
2365
2366 2005-12-06  Andreas Schwab  <schwab@suse.de>
2367
2368         * opts.c (decode_options): Fix typo in message.
2369
2370 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
2371
2372         PR other/13873
2373         * longlong.h: Merge PPC tests from upstream.
2374
2375 2005-12-06  Richard Guenther  <rguenther@suse.de>
2376
2377         * fold-const.c (fold_convert): Do not build and fold
2378         CONVERT_EXPR, but always use NOP_EXPR.
2379
2380 2005-12-06  Jan Beulich  <jbeulich@novell.com>
2381
2382         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2383         __builtin_ia32_paddq and __builtin_ia32_psubq.
2384         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2385         __builtin_ia32_pshufw.
2386         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2387
2388 2005-12-05  James E Wilson  <wilson@specifix.com>
2389
2390         PR target/24934
2391         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2392         is set.
2393
2394 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
2395
2396         * print-tree.c (print_node): Ditto.
2397         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2398         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
2399         before accessing DECL_ARTIFICIAL.
2400         Handle new tag tree codes.
2401         * tree-flow-inline.h (clear_call_clobbered): Update for tag
2402         changes.
2403         (unmodifiable_var_p): Ditto.
2404         * tree-flow.h (mem_tag_kind): Remove.
2405         (struct var_ann_d): Remove mem_tag_kind member.
2406         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2407         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
2408         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2409         (group_aliases): Ditto.
2410         (setup_pointers_and_addressables): Ditto.
2411         (is_escape_site): Ditto.
2412         (may_alias_p): Ditto.
2413         (create_tag_raw): New function.
2414         (create_memory_tag): Use it.
2415         (dump_alias_info): Update for tags.
2416         (may_be_aliased): Ditto.
2417         (add_type_alias): Ditto.
2418         (new_type_alias): Ditto.
2419         (create_sft): Ditto.
2420         (create_structure_vars): Ditto.
2421         * tree-ssa-ccp.c (get_default_value): Ditto.
2422         * tree-ssa-operands.c (get_expr_operands): Ditto.
2423         (add_stmt_operand): Ditto.
2424         (add_call_clobber_ops): Remove duplicated condition.
2425         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2426         tags.
2427         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2428         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2429         * tree.c (init_ttree): Update structures for new tree codes.
2430         (tree_code_size): Update sizes for new tree codes.
2431         (make_node_stat): Don't try to set common things on minimal
2432         structures.
2433         (tree_node_structure): Update for tags.
2434         (is_global_var): Ditto.
2435         * tree.def: Add new tree codes.
2436         * tree.h (MTAG_P): New macro.
2437         (TREE_MEMORY_TAG_CHECK): Ditto.
2438         (SSA_VAR_P): Update for tags.
2439         (struct tree_memory_tag): New structure.
2440         (MTAG_GLOBAL): New macro.
2441         (union tree_node): Add memory tag member.
2442         * treestruct.def (TS_MEMORY_TAG): New.
2443
2444 2005-12-05  Dale Johannesen  <dalej@apple.com>
2445
2446         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
2447         what was approved (PR 24323).
2448
2449 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2450
2451         * doc/c-tree.texi (Function Bodies): Remove description of
2452         RETURN_INIT.
2453
2454 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
2455
2456         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2457         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2458         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2459         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2460         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2461         __divxc3): Document.
2462
2463 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
2464
2465         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2466         previous behaviour.
2467         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2468         hook_bool_void_false.
2469         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2470         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2471
2472         * config/darwin.c (machopic_select_section): It's not defined
2473         as weak if it's only marked as weak_import.
2474
2475         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2476         Prototype.
2477
2478         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2479         A hidden weak object does bind locally.  Strong linkonce data
2480         counts like any other strong symbol for binding.
2481         (weak_finish_1): Don't specially handle weakrefs, they no longer
2482         arrive here.
2483         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2484         * c-common.c (handle_alias_attribute): Allow static aliases
2485         of variables.
2486         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2487         * gthr-dce.h: Make weakrefs static.
2488         * gthr-tpf.h: Likewise.
2489         * gthr-solaris.h: Likewise.
2490         * gthr-posix.h: Likewise.
2491         * gthr-posix95.h: Likewise.
2492         * config/darwin.c (darwin_encode_section_info): static weakref
2493         variables are not necessarily defined in this translation unit.
2494         * doc/extend.texi (Function Attributes): Mention that an alias
2495         attribute creates a definition for the thing it's attached to.
2496         Change the documentation for weakref to say that the thing
2497         it's attached to must be static.
2498
2499         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2500         we don't go into an infinite loop.
2501
2502 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
2503
2504         * config/rs6000/predicates.md (logical_const_operand): Split
2505         out of logical_operand.
2506         (logical_operand): Use it.
2507         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2508         logical_const_operand.
2509
2510 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2511
2512         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2513         and IX86_BUILTIN_CMPNESS.
2514         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2515         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2516         * config/i386/i386.md (movti_internal): Correct type attribute.
2517         Simplify mode attribute.
2518         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2519         Correct type attribute.
2520         (absxf2): Correct operator.
2521         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2522         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2523         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2524         mode attribute.
2525         (sse2_vmsqrtv2df2): Correct mode attribute.
2526
2527 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2528
2529         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2530         16 bits. Provide insn pattern for this case.
2531
2532 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2533
2534         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2535         result.
2536         (__popcountDI2): Likewise.
2537
2538 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2539
2540         PR target/25166
2541         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2542         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2543         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2544         functions.
2545
2546 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2547
2548         * c-typeck.c (null_pointer_constant_p): New function.
2549         (build_conditional_expr, build_c_cast, convert_for_assignment,
2550         build_binary_op): Use it.
2551
2552 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2553
2554         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2555         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2556         CONVERT_EXPR.
2557         (check_function_arguments_recurse): Allow both NOP_EXPR and
2558         CONVERT_EXPR but check conversions preserve precision.
2559         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2560         but check conversions preserve precision.
2561         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
2562         default case.
2563
2564 2005-12-04  Roger Sayle  <roger@eyesopen.com>
2565
2566         PR c/7776
2567         * common.opt (Wstring-literal-comparison): New command line option.
2568         * c-opts.c (c_common_handle_option): Set it with -Wall.
2569         * c-typeck.c (parser_build_binary_op): Issue warning if either
2570         operand of a comparison operator is a string literal, except for
2571         testing equality or inequality against NULL.
2572
2573         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2574
2575 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2576
2577         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2578         of building a NOP_EXPR.
2579         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
2580         NOP_EXPR.
2581         * c-convert.c (convert): Use fold_convert instead of building
2582         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
2583         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
2584         #if 0 code.
2585         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2586         NOP_EXPR the same as CONVERT_EXPR.
2587         * c-typeck.c (build_function_call): Use fold_convert instead of
2588         building a NOP_EXPR directly.
2589         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2590
2591 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2592
2593         PR rtl-optimization/25197
2594         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2595         have a reg.
2596
2597 2005-12-02  Stuart Hastings  <stuart@apple.com>
2598
2599         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2600         warning.
2601
2602 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2603
2604         * c-typeck.c (default_function_array_conversion,
2605         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2606         (build_conditional_expr): Apply integer_zerop to orig_op1 and
2607         orig_op2.  Don't check them for NOP_EXPR.
2608         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2609         around integer zero.
2610
2611 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2612
2613         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2614         toc_save_offset, toc_size, lr_size.
2615         (rs6000_stack_info): Use memset rather than bss struct copy to init.
2616         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2617         Adjust for removal of unused rs6000_stack_t fields.
2618         (debug_stack_info): Adjust.
2619         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
2620         first, and don't bother checking for set/inc of lr on sibcalls.
2621         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2622
2623 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
2624
2625         PR target/25199
2626         * config/i386/i386.md (movqi_1): Only force imovx for alternative
2627         5 if operand 1 is not aligned.  Undo previous constraint change.
2628         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2629
2630 2005-12-02  Richard Guenther  <rguenther@suse.de>
2631
2632         * tree.h (build): Remove prototype.
2633         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2634         * tree.c (build): Remove.
2635         (build0_stat): Update comment.
2636
2637 2005-12-02  Richard Guenther  <rguenther@suse.de>
2638
2639         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2640         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2641         Likewise.
2642         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2643         maybe_fold_offset_to_component_ref): Likewise.
2644         * tree-ssa-dom.c (thread_across_edge,
2645         simplify_rhs_and_lookup_avail_expr,
2646         find_equivalent_equality_comparison, record_equivalences_from_stmt):
2647         Likewise.
2648         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2649         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2650         lower_try_finally_switch): Likewise.
2651         * tree-if-conv.c (add_to_dst_predicate_list,
2652         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2653         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2654         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2655         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2656         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2657         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2658         gimplify_init_ctor_eval, gimplify_init_constructor,
2659         gimplify_variable_sized_compare, gimplify_boolean_expr,
2660         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2661         gimplify_expr, gimplify_body, gimplify_function_tree,
2662         force_gimple_operand): Likewise.
2663         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2664         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2665         mx_register_decls): Likewise.
2666         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2667         get_frame_field, finalize_nesting_tree_1): Likewise.
2668         * tree-inline.c (setup_one_parameter): Likewise.
2669         * tree-vect-transform.c (vectorizable_condition): Likewise.
2670         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2671         Likewise.
2672         * tree-profile.c (tree_gen_edge_profiler): Likewise.
2673         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2674         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2675         * tree-chrec.h (build_polynomial_chrec): Likewise.
2676
2677 2005-12-02  Richard Guenther  <rguenther@suse.de>
2678
2679         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2680         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2681         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2682         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2683         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2684         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2685         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2686         Likewise.
2687         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2688         sh_adjust_unroll_max): Likewise.
2689         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2690         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2691         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2692         Likewise.
2693         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2694         Likewise.
2695         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2696         Likewise.
2697
2698 2005-12-02  Richard Guenther  <rguenther@suse.de>
2699
2700         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2701         simplify_cond_using_ranges): Use buildN instead of build.
2702         * tree-tailcall.c (adjust_accumulator_values,
2703         adjust_return_value): Likewise.
2704         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2705         generate_element_copy, generate_element_zero,
2706         generate_one_element_init): Likewise.
2707         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2708         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2709         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2710         perfect_nestify): Likewise.
2711
2712 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2713
2714         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2715
2716 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2717
2718         * ggc.h (GGC_RESIZEVEC): New.
2719
2720 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2721
2722         * gcc.c (execute): Improve readability.
2723
2724 2005-12-02  Richard Guenther  <rguenther@suse.de>
2725
2726         * tree-cfg.c (mark_used_vars): New function.
2727         (dump_function_to_file): Dump only used VAR_DECLs.
2728
2729 2005-12-02  Richard Guenther  <rguenther@suse.de>
2730
2731         * convert.c (convert_to_integer): Fix compare for nonpositive
2732         constant to use tree_int_cst_sgn <= 0.
2733
2734 2005-12-02  Richard Guenther  <rguenther@suse.de>
2735
2736         * convert.c (convert_to_integer): Use fold_convert instead
2737         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
2738         instead of comparing against 0.  Use build_int_cst instead
2739         of converting integer_zero_node.
2740
2741 2005-12-02  Richard Guenther  <rguenther@suse.de>
2742
2743         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2744         and RROTATE_EXPR.
2745
2746 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2747
2748         PR target/21017
2749         * combine.c (simplify_logical <IOR>): Simplify more patterns to
2750         rotates.
2751
2752 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2753
2754         PR middle-end/25176
2755         * function.c (expand_function_end): Emit blockage for unwinder
2756         after return label.
2757
2758 2005-12-01  Roger Sayle  <roger@eyesopen.com>
2759
2760         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2761         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2762         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2763         integer constant comparisons.
2764
2765 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
2766             Janis Johnson  <janis187@us.ibm.com>
2767             David Edelsohn  <dje@watson.ibm.com>
2768             Ben Elliston  <bje@au.ibm.com>
2769
2770         * dfp.h, dfp.c: New files.
2771         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2772         (DECNUM_H): Likewise.
2773         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2774         (INCLUDES): Append $(DECNUMINC).
2775         (OBJS-common): Add dfp.o.
2776         (dfp.o): New rule.
2777         * real.h (EXP_BITS): Pinch one bit to ..
2778         (struct real_value): Add decimal field.
2779         (real_format): Change table size, update documentation.
2780         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2781         (real_from_string3): Declare.
2782         (decimal_single_format): Declare.
2783         (decimal_double_format): Declare.
2784         (decimal_quad_format): Declare.
2785         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2786         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2787         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2788         * real.c: Include dfp.h.
2789         (normalize): Early return for decimal floats.
2790         (do_add): Zero decimal field.
2791         (do_compare): Call do_decimal_compare for decimal floats.
2792         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2793         (real_arithmetic): Call decimal_real_arithmetic for decimal
2794         floating point operands.
2795         (real_identical): If a and b are of differing radix, return false.
2796         (real_to_integer): Call decimal_real_to_integer if the value is a
2797         decimal float.
2798         (real_to_integer2): Likewise, call decimal_real_to_integer2.
2799         (real_to_decimal): Likewise, call decimal_real_to_decimal.
2800         (real_to_hexadecimal): Place "N/A" in the return string for
2801         decimal float.
2802         (real_from_string3): New variant, given a mode.
2803         (real_maxval): Use decimal_real_maxval for decimal floats.
2804         (round_for_format): Use decimal_round_for_format for decimals.
2805         (real_convert): Use decimal_real_convert where appropriate.
2806         (significand_size): Handle base 10.
2807         (encode_decimal_single, decode_decimal_single,
2808         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2809         decode_decimal_quad): New functions.
2810         (decimal_single_format): New.
2811         (decimal_double_format): New.
2812         (decimal_quad_format): New.
2813         * machmode.def: Add SD, DD and TD decimal floating point modes.
2814         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2815         Include MODE_DECIMAL_FLOAT.
2816         (DECIMAL_FLOAT_MODE_P): New.
2817         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2818         * genmodes.c (struct mode_data): Add counter field.
2819         (struct mode_data): Update comment for format.
2820         (blank_mode): Initialise counter field.
2821         (new_mode): Increment counter field for each mode defined.
2822         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2823         using a format.
2824         (make_complex_modes): Handle modes containing `D'.
2825         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2826         (make_decimal_float_mode): New.
2827         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2828         (cmp_modes): Compare counter field if other characteristics
2829         similar.
2830         (emit_real_format_for_mode): Support formats for decimal floats.
2831         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2832         Document MODE_DECIMAL_FLOAT.
2833
2834 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2835
2836         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2837         Delete dead code.
2838
2839 2005-12-01  Richard Henderson  <rth@redhat.com>
2840
2841         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2842
2843 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2844
2845         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2846
2847         * config/pa/pa.c (pa_init_builtins): If we detect
2848         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2849         putc_unlocked.
2850
2851 2005-12-01  Richard Guenther  <rguenther@suse.de>
2852
2853         * fold-const.c (fold_binary): Use fold_build2, not
2854         fold (build (...)).
2855
2856 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
2857
2858         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2859
2860         * vec.h (VEC_block_remove): New.
2861
2862 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2863
2864         PR c/13384
2865         * c-common.c (lvalue_error): Fix wording.
2866
2867 2005-12-01  Richard Guenther  <rguenther@suse.de>
2868
2869         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2870         thinko in last patch.
2871
2872 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
2873
2874         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2875         than -flat_namespace.
2876
2877 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2878
2879         * mklibgcc.in: Parameterise the script to build soft float
2880         functions by iterating over each type, rather than cloning the
2881         code for each type.
2882
2883 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2884
2885         PR middle-end/25158
2886         * builtins.c (fold_builtin_fputs): Defer check for missing
2887         replacement functions.
2888
2889 2005-11-30  Kean Johnston  <jkj@sco.com>
2890
2891         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2892         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2893
2894 2005-11-30  Richard Guenther  <rguenther@suse.de>
2895
2896         PR tree-optimization/22501
2897         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2898         function split out from ...
2899         (forward_propagate_addr_expr): ... here.  Use it to propagate
2900         ADDR_EXPRs to all uses.
2901
2902 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2903
2904         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2905         * builtins.c (expand_builtin_mathfn): Use them.
2906         (expand_builtin_mathfn_2): Likewise.
2907         (expand_builtin_mathfn_3): Likewise.
2908         (expand_builtin_int_roundingfn): Likewise.
2909         (expand_builtin): Likewise.
2910         (integer_valued_real_p): Likewise.
2911         (fold_builtin_int_roundingfn): Likewise.
2912         (fold_builtin_bitop): Likewise.
2913         (fold_builtin_logarithm): Likewise.
2914         (fold_builtin_1): Likewise.
2915         * convert.c (convert_to_integer): Likewise.
2916         * fold-const.c (negate_mathfn_p): Likewise.
2917         (tree_expr_nonnegative_p): Likewise.
2918
2919 2005-11-30  Dale Johannesen  <dalej@apple.com>
2920             Andrew Pinski  <pinskia@physics.uc.edu>
2921
2922         * combine.c (find_split_point):  Sign extend bitmask
2923         when changing bitfield assignment to IOR of AND.
2924
2925 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2926
2927         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2928         clobber to scratch reg.
2929         (*decrement_and_branch_until_zero_no_clobber): Remove.
2930         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2931         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2932         * config/ms1/ms1.opt (mmul): Remove.
2933         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2934         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2935
2936 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2937             Bernd Schmidt  <bernd.schmidt@analog.com>
2938
2939         * pa/predicates.md (symbolic_operand): Add comment.
2940         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2941         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2942         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2943         (pa_secondary_reload_class): Delete.
2944         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2945         and pa_secondary_reload_class.  Reorder some checks.  Update inline
2946         copy of symbolic operand.
2947         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2948
2949 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2950
2951         * loop-doloop.c (add_test): Only add jump notes if we did emit a
2952         jump.
2953
2954 2005-11-30  Jeff Law  <law@redhat.com>
2955
2956         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2957         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2958
2959 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
2960
2961         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2962         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2963         (ia64_expand_move): Adjust caller.
2964
2965         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2966         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2967         negate VAL.
2968
2969 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
2970
2971         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2972         Always produce an output if we can remove NEGs or canonicalize
2973         (minus (minus ...)) expressions.  Provide a fast path for the
2974         two-operand case.
2975         (simplify_gen_binary): Do not call simplify_plus_minus.
2976         (simplify_binary_operation_1): Reassociate at the end of the
2977         function.
2978
2979 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
2980
2981         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2982         moves and unpack to speed up.
2983
2984 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
2985
2986         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2987         argument, they are always sparc_compare_op0 and sparc_compare_op1.
2988         (gen_v9_scc): Update callers.
2989         * config/sparc/sparc.md: Likewise.
2990         * config/sparc/sparc-protos.h: Update extern declaration.
2991
2992         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2993
2994 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2995
2996         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2997         the if.
2998
2999 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
3000
3001         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
3002         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
3003         (negate_expr): Here.
3004
3005 2005-11-29  Ben Elliston  <bje@au.ibm.com>
3006
3007         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
3008         Fix typo in comment.
3009
3010 2005-11-29  Ben Elliston  <bje@au.ibm.com>
3011
3012         * Makefile.in (clean-target): Depend on clean-target-libgcc.
3013         (clean-target-libgcc): Import rule from the top-level Makefile.in.
3014
3015 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3016
3017         PR middle-end/20109
3018         PR middle-end/25120
3019         * builtins.c (init_target_chars): New.
3020         (expand_builtin_printf, expand_builtin_fprintf,
3021         expand_builtin_sprintf, fold_builtin_sprintf,
3022         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3023         fold_builtin_snprintf_chk, fold_builtin_printf,
3024         fold_builtin_fprintf): Check for matching format strings using
3025         the target charset.
3026
3027 2005-11-29  Paul Brook  <paul@codesourcery.com>
3028
3029         * config.gcc: Do not use fixproto on m68k-elf.
3030
3031 2005-11-28  Roger Sayle  <roger@eyesopen.com>
3032
3033         * expmed.c (div_cost): Replace with...
3034         (sdiv_cost, udiv_cost): New.
3035         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
3036         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
3037         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
3038         (expand_divmod): Replace use of div_cost with either sdiv_cost
3039         or udiv_cost depending upon the signedness of the operation.
3040
3041 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
3042
3043         PR libfortran/24991
3044         * config/darwin.c (machopic_indirection_name,
3045         machopic_output_indirection): Follow transparent alias chain.
3046
3047 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
3048
3049         * varasm.c (ultimate_transparent_alias_target): Add comment.
3050
3051 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
3052
3053         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
3054         SET_SRC instead of XEXP where appropriate.
3055
3056 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
3057
3058         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
3059         __builtin_expect.
3060
3061 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
3062
3063         * config/fp-bit.h (LSHIFT): Take shift count parameter.
3064         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
3065         bit at a time.
3066
3067 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3068
3069         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
3070         secondary_input_reload_class, made static.  Adapt to new
3071         infrastructure.
3072         (secondary_output_reload_class): Delete.
3073         (TARGET_SECONDARY_RELOAD): New macro.
3074         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
3075         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
3076
3077 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
3078
3079         PR c++/21166
3080         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
3081         when its natural alignment is > BITS_PER_UNIT.
3082         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
3083         * c-common.c (handle_packed_attribute): Ignore packing on a field
3084         whose type is naturally char aligned.
3085
3086 2005-11-28  Richard Guenther  <rguenther@suse.de>
3087
3088         * c-common.c (strict_aliasing_warning): Handle all
3089         component-ref like accesses.
3090
3091 2005-11-28  Roger Sayle  <roger@eyesopen.com>
3092             Uros Bizjak  <uros@kss-loka.si>
3093
3094         PR middle-end/20219
3095         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
3096         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
3097         when flag_unsafe_math_optimizations is set and
3098         we don't care about NaNs or Infinities.
3099
3100         Move x/expN(y) and x/pow(y,z) transformation into common
3101         flag_unsafe_math_optimizations section.
3102
3103 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
3104
3105         * gcc.c (main): Change type of argv to "char **".
3106
3107 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
3108
3109         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
3110         small data sections.
3111         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
3112         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
3113         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
3114         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
3115         output locals to sbss if !rs6000_elf_in_small_data_p.
3116         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
3117
3118 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
3119
3120         PR target/24997
3121         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
3122         generated by reload.
3123         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
3124         indexed_or_indirect_address.
3125         (indexed_or_indirect_address): Don't test for base reg.  Call
3126         address_operand last.  Make it a special predicate.
3127
3128 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
3129
3130         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
3131
3132 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
3133
3134         PR middle-end/24575
3135         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
3136         is undefined.
3137         (negate_expr): Likewise.
3138
3139 2005-11-27  Andreas Schwab  <schwab@suse.de>
3140
3141         * config/m68k/m68k.c: Reindent and fix whitespace, remove
3142         redundant parens.
3143
3144 2005-11-27  Steven Bosscher  <stevenb@suse.de>
3145
3146         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
3147         has EH predecessor edges.
3148
3149 2005-11-26  Eric Christopher  <echristo@apple.com>
3150
3151         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
3152         register stalls by zero extending to the full register.
3153
3154 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
3155
3156         * config/floatunsisf.c, config/floatunsidf.c,
3157         config/floatunsixf.c, config/floatunsitf.c: New files.
3158         * config/ia64/t-hpux: Add floatunsitf.c.
3159         * config/ia64/ia64.c (ia64_init_libfuncs): Use
3160         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
3161
3162 2005-11-26  Richard Henderson  <rth@redhat.com>
3163
3164         * c-lex.c (pragma_lex): Rename from c_lex.
3165         * c-pch.c: Update for pragma_lex rename.
3166         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
3167         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
3168         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
3169         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
3170         * doc/tm.texi: Likewise.
3171
3172 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
3173
3174         PR middle-end/23669
3175         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
3176         when overflow is undefined.
3177
3178 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
3179
3180         * doc/md.texi (Insn Canonicalizations): Refer to the
3181         function commutative_operand_precedence for further rules.
3182
3183 2005-11-25  Roger Sayle  <roger@eyesopen.com>
3184
3185         PR middle-end/21309
3186         * expmed.c (choose_mult_variant): Return immediately when mult_cost
3187         is less than zero.  Limit mult_cost to a reasonable upper bound for
3188         the synthetic multiplication sequence.
3189
3190 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3191
3192         PR middle-end/25022
3193         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3194         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
3195         Lookup the explicit replacement functions for any unlocked
3196         stdio builtin transformations.
3197
3198 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
3199
3200         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
3201         earlyclobber.
3202         * targhooks.c (default_secondary_reload): Don't require operand 2
3203         for an input reload to be earlyclobber.
3204
3205 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3206
3207         * fold-const.c (negate_mathfn_p): Fix comment and add support
3208         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
3209         BUILT_IN_ATANH.
3210
3211 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
3212
3213         PR middle-end/24998
3214         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
3215         _Q_ulltoq for unsigned conversions from SImode and DImode to
3216         TFmode.
3217
3218 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
3219
3220         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
3221         (__floatundidf, __floatundisf): Likewise.
3222
3223 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
3224
3225         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
3226         (rs6000_override_options): Remove initialization of
3227         rs6000_sr_alias_set.
3228         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
3229         (rs6000_emit_stack_tie): Same.
3230         (emit_frame_save): Same.
3231         (gen_frame_mem_offset): Same.
3232         (rs6000_emit_prologue): Same.
3233         (rs6000_emit_epilogue): Same.
3234
3235 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
3236
3237         PR middle-end/24989
3238         * fold-const.c (fold_build): Convert bool_var != 1 and
3239         bool_var == 0 to !bool_var.
3240
3241 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
3242
3243         PR middle-end/24990
3244         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
3245         for C being INTEGER_CST.  Likewise for !=.
3246
3247 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
3248
3249         PR middle-end/24998
3250         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
3251         unsigned conversions from SImode to TFmode.
3252
3253 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3254
3255         * expr.c (expand_expr_real_1): Fix error in last change.
3256
3257 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
3258
3259         * caller-save.c: (this_insn_sets): Move into:
3260         (save_call_clobbered_regs).
3261         (mark_set_regs): Get this_insn_sets from data.
3262
3263         (save_call_clobbered_regs): Take sets of the return value by
3264         sibcalls into account.
3265
3266 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
3267         PR target/21623:
3268
3269         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
3270         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
3271         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
3272         (memory_move_secondary_cost, init_reg_autoinc): Remove
3273         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
3274         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
3275         secondary_reload_class call.
3276         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
3277         callers.
3278         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
3279         (push_secondary_reload): Use secondary_reload target hook.
3280         (secondary_reload_class, scratch_reload_class): New functions.
3281         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
3282         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
3283         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
3284         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
3285         (secondary_reload_class, scratch_reload_class): Declare.
3286         * reload1.c: Include target.h.
3287         (reload_adjust_reg_for_temp): New function.
3288         (reload_adjust_reg_for_icode): Likewise.
3289         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
3290         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
3291         call.
3292         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
3293         for inheritance.  Support case when both secondary & tertiary reloads
3294         are for intermediate registers.
3295         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
3296         with secondary_reload_class call.  Support case when both secondary
3297         & tertiary reloads are for intermediate registers.
3298         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
3299         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
3300         * target.h (secondary_reload_info): New struct / typedef.
3301         (struct gcc_target): New member secondary_reload.
3302         * targhooks.c Include reload.h, optabs.h and recog.h.
3303         (default_secondary_reload): New function.
3304         * targhooks.h (default_secondary_reload): Declare.
3305         * doc/tm.texi: Document secondary_reload target hook.  Update
3306         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
3307         * doc/md.texi: Likewise.
3308
3309         * sh-protos.h (sh_secondary_reload): Declare.
3310         * sh.c (TARGET_SECONDARY_RELOAD): Override.
3311         (sh_secondary_reload): New function.
3312         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
3313         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3314         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
3315         (HAVE_SECONDARY_RELOADS): Define.
3316         * sh.md (reload_indf): Rename to:
3317         (reload_indf__frn).
3318         (reload_outdf): Rename to:
3319         (reload_outdf__RnFRm).
3320         (reload_insf): Rename to:
3321         (reload_insf__frn).
3322         (reload_insi): Rename to:
3323         (reload_insi__i_fpul).
3324
3325 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
3326
3327         * configure.ac: Require at least texinfo 4.4.
3328         * configure: Regenerate.
3329
3330         * doc/install.texi (Tools/packages necessary for building GCC):
3331         Update required version of texinfo to at least 4.4.
3332         (Installing GCC: Building): Update required version of texinfo
3333         to at least 4.4.
3334         (Installing GCC: Final installation): Update required version
3335         of texi2dvi to at least 4.4.
3336         (Host/target specific installation notes for GCC): Update required
3337         version of texinfo to at least 4.4.
3338
3339 2005-11-24  Richard Guenther  <rguenther@suse.de>
3340         Dirk Mueller <dmueller@suse.de>
3341
3342         PR c++/14024
3343         * c-common.h (strict_aliasing_warning): Declare.
3344         * c-common.c (strict_aliasing_warning): New function,
3345         split out from ...
3346         * c-typeck.c (build_c_cast): ... here.
3347
3348 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3349
3350         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3351         to order operands.
3352         (swap_commutative_operands_with_target): New.
3353
3354 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3355
3356         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3357         also when doing PRE, rather than only for global CPROP.
3358
3359 2005-11-24  Ben Elliston  <bje@au.ibm.com>
3360
3361         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3362         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3363         formatting.
3364         (expand_twoval_unop): Likewise.
3365         (widen_clz): Likewise.
3366         (expand_parity): Likewise.
3367         (expand_unop): Likewise.
3368         (emit_cmp_and_jmp_insn_1): Likewise.
3369         (prepare_float_lib_cmp): Likewise.
3370
3371 2005-11-24  Ben Elliston  <bje@au.ibm.com>
3372
3373         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3374         Remove unused `class' variable.
3375
3376 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3377
3378         PR c++/21667
3379         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
3380         C/C++ diagnostic function warn_array_subscript_with_type_char.
3381         * c-common.h (warn_array_subscript_with_type_char): Declare.
3382         * c-common.c (warn_array_subscript_with_type_char): Define.
3383
3384 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3385
3386         PR c/21668
3387         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3388         compiling at the intersection of C and C++.
3389
3390 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
3391
3392         * doc/invoke.texi: For man pages, include gcc-vers.texi.
3393         List @file in the option summary.  Include the libiberty
3394         documentation for @file.
3395         * gcc.c (main): Call expandargv.
3396         * Makefile.in (gcc-vers.texi): Define srcdir.
3397
3398 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
3399
3400         * passes.c (init_optimization_passes): Document
3401         sequencing of passes.
3402
3403 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
3404
3405         * config/m68k/predicates.md (pcrel_address, extend_operator,
3406         post_inc_operand, pre_dec_operand): Remove redundant
3407         conditionals.
3408         (const_uint32_operand, const_sint32_operand): Use gcc_assert
3409         instead of abort.
3410         (valid_dbcc_comparison_p): Rewrite in the lisp style.
3411
3412 2005-11-23  Ben Elliston  <bje@au.ibm.com>
3413
3414         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3415
3416 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
3417
3418         Preparatory work for PR target/21623:
3419         * alpha.c (secondary_reload_class): Rename to:
3420         (alpha_secondary_reload_class).
3421         * alpha.h, alpha-protos.h: Likewise.
3422         * mn10300.c (secondary_reload_class): Rename to:
3423         (mn10300_secondary_reload_class).
3424         * mn10300.h, mn10300-protos.h: Likewise.
3425         * pa.c (secondary_reload_class): Rename to:
3426         (pa_secondary_reload_class).
3427         * pa.h, pa-protos.h: Likewise.
3428         * rs6000.c (secondary_reload_class): Rename to:
3429         rs6000_secondary_reload_class.
3430         * rs6000.h, rs6000-protos.h: Likewise.
3431
3432 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
3433
3434         PR middle-end/22561
3435         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3436
3437 2005-11-22  Ian Lance Taylor  <ian@airs.com>
3438
3439         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3440         a mode_class.
3441         (prepare_cmp_insn): Likewise.
3442
3443 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
3444
3445         PR target/23435
3446         * m68k.md (zero_extendsidi2): Force operands[1] to a register
3447         if both operands[0] and operands[1] are memory.
3448
3449 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3450
3451         PR middle-end/23606
3452         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3453         COMPARISON_CLASS_P and an integral types create create a new
3454         expression with the new type and fold that.
3455
3456 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3457
3458         PR target/24988
3459         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3460         to SUBTARGET_OS_CPP_BUILTINS.
3461
3462 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
3463
3464         * arm.c (emit_set_insn): New function.
3465         (arm_split_constant): Call it.
3466         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3467         (arm_legitimize_address): Likewise.  Use plus_constant.
3468         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
3469         (thumb_expand_prologue): Likewise.
3470         (arm_gen_load_multiple): Use VOIDmode in SET.
3471         (arm_gen_store_multiple): Likewise.
3472         (vfp_emit_fstmx): Likewise.  Use plus_constant.
3473         (emit_multi_reg_push): Likewise.
3474         (emit_sfm): Use plus_constant.
3475
3476 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
3477
3478         PR target/24954
3479         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3480         typo last change.
3481
3482 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3483
3484         PR middle-end/24950
3485         * expmed.c (store_bit_field): Don't attempt to insv a field
3486         larger than the reg.
3487
3488 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3489
3490         PR target/24954
3491         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3492         explicit sign extension, not a (char) cast.
3493
3494 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3495
3496         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3497         GET_MODE_CLASS (x) == MODE_FLOAT.
3498         * config/i386/i386.c: Likewise.
3499         * config/rs6000/xcoff.h: Likewise.
3500         * config/rs6000/linux64.h: Likewise.
3501         * config/rs6000/rs6000.c: Likewise.
3502         * config/rs6000/rs6000.h: Likewise.
3503         * config/rs6000/predicates.md: Likewise.
3504         * config/rs6000/sysv4.h: Likewise.
3505
3506 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3507
3508         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3509         flag_pic is set.
3510
3511         * config/alpha/freebsd.h, config/alpha/linux.h,
3512         config/arm/linux-elf.h, config/bfin/bfin.h,
3513         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3514         config/i386/beos-elf.h, config/i386/gnu.h,
3515         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3516         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3517         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3518         config/rs6000/linux64.h, config/rs6000/sysv4.h,
3519         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3520         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3521         config/sparc/linux.h, config/sparc/linux64.h,
3522         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3523
3524         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3525         are both defined when either flag -fpic or -fPIC are used.
3526
3527 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3528
3529         * config/fp-bit.c (clzusi): New function.
3530         (si_to_float, usi_to_float): Use it to compute proper shift.
3531         (usi_to_float): Preserve guard bits when shifting right.
3532         * libgcc-std.ver (GCC_4.2.0): New version.
3533         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3534         __floatundisf): New functions.
3535         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3536         __floatundisf): Declare.
3537         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3538         _floatundixf, and _floatunditf.
3539         * optabs.c (expand_float): If target does not define a pattern for
3540         signed or unsigned conversion, use an unsigned libcall instead of
3541         a signed one.
3542         (init_optabs): Initialize ufloat_optab.
3543
3544 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3545
3546         * config/rs6000/rs6000.opt (mmulhw): New option.
3547         * doc/invoke.texi (-mmulhw): Document.
3548         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3549         for 405 and 440.
3550         * config/rs6000/rs6000.md: Add half-word multiply and
3551         multiply-accumulate instructions for 405 and 440.
3552
3553 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
3554
3555         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3556         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
3557         default now includes a linker group which makes the RTEMS one nest.
3558
3559 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3560
3561         * cse.c (fold_rtx): Typo fix.
3562         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3563
3564 2005-11-21  Richard Henderson  <rth@redhat.com>
3565
3566         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3567         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3568
3569         * c-tree.h (lookup_name): Move declaration ...
3570         * c-common.h (lookup_name): ... here.
3571         * config/darwin-c.c: Include c-common.h.
3572         * config/t-darwin: Update dependencies.
3573
3574 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3575
3576         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3577         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3578         * genopinit.c (gen_insn): Likewise.
3579         * reload.c (find_equiv_reg): Likewise.
3580         * loop.c (load_mems): Likewise.
3581         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3582         * cse.c (find_comparison_args, fold_rtx): Likewise.
3583         * dwarf2out.c (add_const_value_attribute): Likewise.
3584         * expr.c (convert_move): Likewise.
3585         * recog.c (general_operand, register_operand): Likewise.
3586         * reg-stack.c (replace_reg): Likewise.
3587         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3588         * c-common.c (handle_vector_size_attribute): Likewise.
3589         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3590         (simplify_binary_operation_1): Likewise.
3591         (simplify_const_binary_operation): Likewise.
3592         (simplify_relational_operation): Likewise.
3593         (simplify_const_relational_operation): Likewise.
3594         (simplify_immed_subreg): Likewise.
3595         * emit-rtl.c (gen_lowpart_common): Likewise.
3596         * expmed.c (expand_mult): Likewise.
3597         * stor-layout.c (layout_type): Likewise.
3598
3599 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
3600
3601         PR target/24951
3602         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3603         cst2 only for SPE vectors.
3604
3605 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
3606
3607         PR target/24953
3608         * config/rs6000/predicates.md (vrsave_operation): Check
3609         UNSPEC_VOLATILE value.
3610
3611 2005-11-21  Jan Hubicka  <jh@suse.cz>
3612
3613         PR tree-optimization/24653
3614         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3615
3616 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3617
3618         * config/i386/predicates.md (ax_reg_operand): New predicate.
3619         (memory_displacement_only_operand): New predicate.
3620         * config/i386/i386.md ("modrm" attribute): Return 0 if one
3621         operand is AX register and the other operand is memory operand
3622         with displacement only.
3623
3624 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3625
3626         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3627         if we don't care about NaNs or Infinities.
3628
3629 2005-11-20  Ian Lance Taylor  <ian@airs.com>
3630
3631         PR rtl-optimization/24883
3632         * combine.c (combinable_i3pat): When checking whether the
3633         destination of i3 is used in i3, consider paradoxical subregs.
3634
3635 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
3636
3637         PR middle-end/20583
3638         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3639
3640 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
3641
3642         * combine.c (try_combine): Do not run subst on i1src and i2src in
3643         the case of generating a PARALLEL for a comparison.
3644
3645 2005-11-20  Richard Henderson  <rth@redhat.com>
3646
3647         PR 24931
3648         * tree-sra.c (struct sra_elt): Add all_no_warning.
3649         (struct sra_walk_fns) <use>: Add use_all argument.
3650         (sra_walk_expr): Pass it.
3651         (sra_walk_modify_expr): Likewise.
3652         (scalarize_ldst): Likewise.
3653         (scan_use): Update for new argument.
3654         (mark_no_warning): New.
3655         (scalarize_use): Use it.
3656
3657 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3658
3659         * expr.c (expand_expr_real): Use usmul_optab for widening
3660         signed * unsigned multiplies.
3661         * genopinit.c (optabs): Add usmul_widen_optab.
3662         * optabs.c (init_optabs): Likewise.
3663         * optabs.h (enum optab_index): Add OTI_usmul_widen.
3664         (usmul_widen_optab): Define.
3665         * config/bfin/bfin.md (usmulhisi3): New pattern.
3666
3667         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3668
3669 2005-11-20  Graham Stott <btinternet.com>
3670
3671         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3672
3673 2005-11-20  Andreas Schwab  <schwab@suse.de>
3674
3675         PR target/24757
3676         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3677         insn.
3678
3679 2005-11-19  Richard Henderson  <rth@redhat.com>
3680
3681         PR tree-opt/24665
3682         * tree-gimple.c (is_gimple_id): Export.
3683         * tree-gimple.h (is_gimple_id): Declare.
3684         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3685         (get_default_value): Use it.
3686         (maybe_fold_stmt_indirect): Likewise.
3687
3688 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
3689
3690         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3691         than VR1 or vice-versa.
3692
3693 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
3694
3695         PR middle-end/24912
3696         PR middle-end/24750
3697         * reload.c (find_reloads_address_1): Mention dependency on
3698         gen_reload.
3699         * reload1.c (gen_reload): For IN with an unary operation, try
3700         moving inner expression to OUT if trivial SET is not valid.
3701         Confirm that the result is valid.  Move common code block into...
3702         (emit_insn_if_valid_for_reload): New function.
3703
3704 2005-11-19  Richard Guenther  <rguenther@suse.de>
3705
3706         * fold-const.c (fold_indirect_ref_1): Make sure we fold
3707         ARRAY_REFs of constant strings.
3708
3709 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
3710
3711         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3712         fatal format string.
3713
3714 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
3715
3716         * combine.c (make_compound_operation): Swap operands of
3717         commutative operation if necessary before returning.
3718
3719 2005-11-19  Richard Guenther  <rguenther@suse.de>
3720
3721         PR middle-end/23294
3722         * fold-const.c (fold_plusminus_mult_expr): New function.
3723         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3724         cases, remove now unnecessary code.
3725
3726 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
3727
3728         * gensupport.c (old_preds): Rename to std_preds, add special field.
3729         (struct old_pred_table): Rename to struct std_pred_table, add special
3730         field.
3731         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3732         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3733         (init_predicate_table): Adjust, and set along the way whether a
3734         predicate is special.
3735
3736 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
3737
3738         * BASE-VER: Change to 4.2.0.
3739
3740 2005-11-18  James E Wilson  <wilson@specifix.com>
3741
3742         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3743         returning it.
3744
3745 2005-11-18  Mike Stump  <mrs@apple.com>
3746
3747         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3748         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3749         * c-decl.c (lookup_name_two) Remove.
3750         * c-tree.h (lookup_name_two): Remove.
3751         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3752         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3753         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3754         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3755
3756 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
3757
3758         PR target/24914
3759         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3760         when not generating code to use that co-processor.
3761
3762 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
3763
3764         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3765         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3766         these functions are now in tree-phinodes.c.
3767
3768 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
3769
3770         * config/bfin/bfin.md (trap): New pattern.
3771
3772 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3773
3774         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3775         on types.
3776
3777         * expr.c (expand_expr_real): Don't call record_block_change unless
3778         ib_boundaries_block is non-null
3779
3780         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3781
3782         * fold-const.c (build_range_check): Use proper type for subtraction
3783         when merging lower bound.
3784
3785 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3786
3787         PR rtl-optimization/24497
3788         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3789         the copied insn.
3790
3791 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3792
3793         * tree-scalar-evolution.c (expression_expensive_p): New function.
3794         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3795
3796 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
3797
3798         * config/bfin/crtlibid.s: New file.
3799
3800 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3801
3802         PR target/24348
3803         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3804         when not using sjlj exceptions.
3805         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3806         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3807         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3808         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3809         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3810         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3811         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3812         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3813         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3814         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3815         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3816         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3817         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3818         defines.
3819         * config/pa/hpux-unwind.h: New file.
3820
3821 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
3822
3823         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3824         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3825         * varasm.c (do_assemble_alias): Adjust call.
3826         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3827         is defined.
3828         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3829
3830 2005-11-17  James E Wilson  <wilson@specifix.com>
3831
3832         * tree.def (FUNCTION_DECL): Correct typo in comment.
3833
3834 2005-11-17  Richard Henderson  <rth@redhat.com>
3835
3836         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3837         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3838         and DW_CFA_def_cfa_sf.
3839         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3840         (dbx_reg_number): Don't assert particular registers here.
3841         (based_loc_descr): ... do it here instead.  Fold in ...
3842         (eliminate_reg_to_offset): ... this function.
3843         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3844         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3845         * unwind-dw2.c (execute_cfa_program): Apply data align factor
3846         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3847         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3848         (instantiate_virtual_regs): Likewise.
3849         * var-tracking.c (adjust_stack_reference): Likewise.
3850         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3851
3852 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3853
3854         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3855         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3856         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3857         crtlibid.o.
3858         ($(T)crtlibid.o): New rule.
3859
3860 2005-11-16  Richard Guenther  <rguenther@suse.de>
3861
3862         PR middle-end/24851
3863         * fold-const.c (extract_array_ref): Return byte offset
3864         in all cases.
3865         (fold_binary): Fold &x[a] CMP &x[b] to
3866         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3867         behavior.
3868
3869 2005-11-16  Richard Henderson  <rth@redhat.com>
3870
3871         PR middle-end/23497
3872         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3873         parts of an SSA_NAME.
3874
3875 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
3876
3877         PR target/24861
3878         * arm.md (split for movsf with immediate): Restrict split to insns
3879         that set a general register.
3880
3881 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3882
3883         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3884         uw_update_context.
3885         * unwind-dw2.c (uw_advance_context): Likewise.
3886         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3887         _Unwind_SjLj_Unregister.
3888         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3889
3890 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3891
3892         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3893
3894 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3895
3896         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3897         langhook to get a DImode integer type.
3898
3899 2005-11-16  Richard Henderson  <rth@redhat.com>
3900             J"orn Rennecke <joern.rennecke@st.com>
3901             Ulrich Weigand  <uweigand@de.ibm.com>
3902
3903         PR rtl-opt/24160
3904         PR target/24621
3905         * reload1.c (reg_equiv_invariant): New.
3906         (reload): Allocate, initialize, and free it.
3907         (calculate_needs_all_insns): Check it when skipping equivalence
3908         setting insns.
3909         (alter_reg): Likewise.
3910         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3911         may_use_invariant argument; only use reg_equiv_invariant when true.
3912         (eliminate_regs): New.
3913         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3914         a context for which may_use_invariant may be true.
3915
3916 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3917
3918         * fold-const.c (const_binop): Don't constant fold the operation
3919         if the result has overflowed and flag_trapping_math.
3920         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3921
3922 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3923
3924         * config/arm/unwind-arm.c (abort): Add prototype here.
3925         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3926         (struct phase1_vrs): Add prev_sp.
3927         (unwind_phase2_forced): Save the original core registers instead of
3928         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3929         and set action flags accordingly.  Always set _US_END_OF_STACK when
3930         get_eit_entry fails.  Unwind before calling the stop function.
3931         (_Unwind_GetCFA): New function.
3932         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3933         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3934         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3935         just call unwind_phase2_forced.
3936         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3937         * config/arm/unwind-arm.h (abort): Remove prototype.
3938         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3939         prototypes.
3940         (_Unwind_GetCFA): New prototype.
3941         * config/arm/pr-support.c (abort): Add prototype here.
3942         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3943         forced unwinding.
3944         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3945         not schedule the prologue with non-call exceptions and EABI.
3946
3947 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
3948
3949         * config/arm/unwind-arm.h: Reorder interface function declarations.
3950         (_URC_END_OF_STACK): New enumeration value.
3951         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3952         (struct _Unwind_Control_Block): Document reserved field use.
3953         (_Unwind_Stop_Fn): New typedef.
3954         (_Unwind_ForcedUnwind): Declare.
3955         (_Unwind_Resume_or_Rethrow): Declare.
3956         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3957         argument.  Adjust.
3958         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3959         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3960         (UCB_FORCED_STOP_ARG): New.
3961         (search_EIT_table): Update boundary condition checks.
3962         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3963         (unwind_phase2): Replace for with do..while.
3964         (unwind_phase2_forced): New.
3965         (__gnu_Unwind_RaiseException): Replace for with do..while.
3966         (__gnu_Unwind_ForcedUnwind): New.
3967         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3968         Use appropriate phase2 unwinder.
3969         (__gnu_Unwind_Resume_or_Rethrow): New.
3970         (__gnu_unwind_pr_common): Cope with forced unwinding.
3971
3972 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
3973
3974         PR target/24772
3975         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3976
3977         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3978         roundsf2): Remove "s" from mnemonic.
3979
3980 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3981
3982         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3983         __PIC__ is defined.
3984         * config/bfin/crtn.s: Change epilogues to match.
3985         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3986         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3987         __PIC__ and __pic__.
3988
3989 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3990
3991         PR 24357
3992         * doc/invoke.texi: Distinguish between free and fixed form instead of
3993         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
3994         languages.
3995         * gcc.c (default_compilers): Remove double entries, add entries for
3996         suffixes '.F90' and '.F95'.
3997
3998 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
3999
4000         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
4001         in the stack probing loop.
4002
4003 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
4004
4005         * configure.ac: Use .machine power5 not power5x.
4006         * configure: Regenerate.
4007
4008 2005-11-15  Mike Stump  <mrs@apple.com>
4009
4010         * c-decl.c (lookup_name_two): Add.
4011         * c-tree.h (lookup_name_two): Likewise.
4012         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
4013         * config/darwin-c.c (darwin_pragma_unused): Likewise.
4014
4015 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
4016
4017         PR rtl-optimization/23392
4018         * regrename.c (enum scan_actions) Add mark_access.
4019         (scan_actions_name): Ditto.
4020         (scan_rtx_reg): Handle mark_access.
4021         (scan_rtx_address): Do nothing for mark_access.
4022         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
4023         and regs in REG_INC notes before closing chains for dead regs.
4024         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
4025         opening chains for new writes.
4026
4027 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
4028
4029         * c.opt (ffixed-line-length-none): New.
4030
4031 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
4032
4033         * mklibgcc.in: Change contents of eh_dummy.c.
4034
4035 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
4036
4037         * loop.c (scan_loop): Do not insert temporaries for hard registers.
4038
4039 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
4040
4041         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
4042         of making syscalls.
4043         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
4044
4045 2005-11-15  Jan Hubicka  <jh@suse.cz>
4046
4047         * invoke.texi (large-unit-insns): Document.
4048         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
4049         * params.def (large-unit-insns): New param.
4050
4051 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
4052
4053         PR target/24869
4054         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
4055         special register for operand 3.  Reindent constraints to align
4056         them vertically.
4057
4058 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
4059
4060         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
4061         -mpopcntb, -mfprnd. Add -mcpu=power5+.
4062         * configure.ac: Add test for FP rounding instructions.
4063         * configure: Regenerate.
4064         * config.in: Regenerate.
4065         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4066         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
4067         features enabled.
4068         * config/rs6000/rs6000.opt (mfprnd): New.
4069         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
4070         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
4071         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
4072         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
4073         (TARGET_FPRND): New.
4074         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
4075         UNSPEC_FRIZ): New.
4076         (btrunc<mode>2): New.
4077         (ceil<mode>2): New.
4078         (floor<mode>2): New.
4079         (round<mode>2): New.
4080
4081 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
4082
4083         * gcc.c (version_compare_spec_function): Use fatal() rather than
4084         abort().
4085
4086         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
4087         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
4088         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
4089         as empty.
4090         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
4091         link in crt2.o.
4092
4093         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
4094         on -mmacosx-version-min setting.
4095
4096 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
4097
4098         PR 24840
4099         * tree-vrp.c (infer_value_range): Return false if STMT is a
4100         block terminator and its basic block has no successors.
4101
4102 2005-11-14  Mike Stump  <mrs@apple.com>
4103
4104         * config/i386/i386.c (override_options): -masm=intel isn't
4105         supported on darwin.
4106         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4107
4108 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
4109
4110         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
4111         vfork after including auto-host.h.
4112
4113 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
4114
4115         PR rtl-optimization/22002
4116         * combine.c (distribute_notes): Detect cases where a reg dies
4117         two or more times in a bb, including on the insn we are combining,
4118         and place the death note on the correct range.
4119
4120 2005-11-14  Dale Johannesen  <dalej@apple.com>
4121
4122         * expmed.c (store_bit_field):  Add offset unconditionally for
4123         memory targets.
4124         (extract_bit_field):  Don't force extzv or extv operand into
4125         a register if field is too big.
4126
4127 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
4128
4129         * config/arm/arm.c (pic_labelno): New.
4130         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
4131         LABEL_REF.  Pass only the labelno to PIC insns.
4132         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4133         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
4134         * arm.md (UNSPEC_PIC_LABEL): New constant.
4135         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
4136         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
4137         Use the correct label prefix.
4138
4139 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
4140
4141         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
4142         REQ_EQUIV note.
4143
4144 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
4145
4146         * loop-invariant.c: Include tm_p.h.
4147         * Makefile.in: Updated.
4148
4149 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4150
4151         * pa.c (store_reg): Revise generation of frame notes in large frames.
4152         (set_reg_plus_d): Likewise.
4153
4154 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
4155
4156         PR tree-optimization/24709
4157         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
4158         loop check.
4159
4160 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4161
4162         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
4163         and duplicate declaration of pthread_self.
4164
4165 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
4166             Ian Lance Taylor  <ian@airs.com>
4167
4168         PR middle-end/24003
4169         * calls.c (expand_call): If TARGET is a MEM and some part of the
4170         argument area has been saved, force TARGET to a register.
4171
4172 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
4173
4174         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
4175         checking.
4176
4177 2005-11-13  Jason Merrill  <jason@redhat.com>
4178
4179         PR c++/22489
4180         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
4181         lazily declared methods.
4182         (force_decl_die): Stop if forcing out the context already make a
4183         DIE for the decl.
4184         (force_type_die): Likewise.
4185
4186 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
4187
4188         PR middle-end/24820
4189         * builtins.c (integer_valued_real_p): Add break in
4190         REAL_CST having TREE_OVERFLOW set.
4191
4192 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
4193
4194         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
4195         addressing modes during calculation of costs.
4196
4197 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
4198
4199         * function.c (assign_stack_local_1): Restrict sanity check
4200         on frame size overflow to 32-bit and above platforms.
4201
4202 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4203
4204         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
4205         * config/cris/cris.c: Include reload.h.
4206         (cris_initial_elimination_offset): New function.
4207         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
4208         Prototype.
4209
4210 2005-11-12  Richard Guenther  <rguenther@suse.de>
4211
4212         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
4213
4214 2005-11-12  Jan Hubicka  <jh@suse.cz>
4215
4216         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
4217         to compare against 0 when possible.
4218
4219 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
4220
4221         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
4222         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4223         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
4224         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
4225         in the new order.
4226
4227 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4228
4229         * recog.c (constrain_operands) <case 'g'>: For a match, require
4230         that a non-register matches general_operand when strict >= 0.
4231
4232 2005-11-11  Steven Bosscher  <stevenb@suse.de>
4233
4234         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
4235         previous checkin.
4236
4237 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
4238
4239         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
4240         (memory_address_same): New.
4241         (dse_optimize_stmt): Call memory_address_same.
4242
4243 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4244
4245         PR middle-end/24750
4246         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
4247         ZERO_EXTEND>: New cases.
4248
4249 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
4250
4251         * longlong.h (__clz_tab): Always provide.
4252
4253 2005-11-11  Steven Bosscher  <stevenb@suse.de>
4254
4255         PR 24265
4256         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
4257         can be assigned to.
4258         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
4259         before check_maybe_invariant.
4260         (move_invariant_reg): Use gen_move_insn instead of replacing
4261         SET_DEST with the temporary for the invariant.
4262         (move_loop_invariants): If checking is enabled, do internal
4263         consistency checks after completing the pass.
4264
4265 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
4266
4267         PR 24644
4268         * common.opt (Wvolatile-register-var): New.
4269         * varasm.c (make_decl_rtl): Only emit warning when option
4270         specified.  Clarify warning message.
4271         * doc/invoke.texi (Wvolatile-register-var): Document new option.
4272
4273         * doc/md.texi (copysign): Document standard named pattern.
4274
4275 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
4276
4277         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
4278         bytes when align is 2.
4279         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
4280         by the first instruction of the loop.
4281
4282 2005-11-11  Jason Merrill  <jason@redhat.com>
4283
4284         PR c++/24686
4285         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
4286         the cleanup list.
4287
4288 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
4289
4290         PR rtl-optimization/22509
4291         * local-alloc.c (memref_used_between_p): Check whether a function call
4292         could not reference the memref.
4293
4294 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
4295
4296         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
4297         algorithm so as to choose the best, not the worst, alternative.
4298         Reset accumulated register class before processing next alternative.
4299
4300 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
4301
4302         PR target/24445
4303         * calls.c (expand_call): Copy a return value to a plain register
4304         if needed.
4305
4306 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
4307
4308         PR target/24778
4309         * varasm.c (assemble_name): Recompute name only for transparent
4310         aliases.
4311
4312 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
4313
4314         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
4315
4316 2005-11-04  Jeff Law  <law@redhat.com>
4317
4318         PR middle-end/23181
4319         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
4320         perform reassociation if the parent statement will not die as
4321         a result of the optimization.
4322
4323 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
4324
4325         * tree-ssa-alias.c (compute_may_aliases): Remove call to
4326         delete_old_heap_vars.
4327         * tree-dfa.c (referenced_var_remove): Remove function.
4328         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
4329         (delete_tree_ssa): Remove call to delete_old_heapvars.
4330         Add call to delete_alias_heapvars.
4331         * tree-flow.h (referenced_var_remove): Remove prototype
4332         (init_alias_heapvars): New prototype.
4333         (delete_alias_heapvars): Ditto.
4334         * Makefile.in (tree-ssa-structalias.o): Add
4335         gt-tree-ssa-structalias.o
4336         (GTFILES): Add tree-ssa-structalias.h and
4337         tree-ssa-structalias.c.
4338         (s-gtype): Add gt-tree-ssa-structalias.h.
4339         * tree-ssa-structalias.c (heapvars): Remove.
4340         (oldheapvars): Remove.
4341         (heapvar_for_stmt): New variable.
4342         (heapvar_lookup): New function.
4343         (heapvar_insert): Ditto.
4344         (get_constraint_for): See if we have an old heapvar
4345         to reuse.
4346         (init_alias_heapvars): New function.
4347         (delete_alias_heapvars): Ditto.
4348         Add include of gt-tree-ssa-structalias.h.
4349
4350 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4351
4352         PR middle-end/22127
4353         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
4354
4355 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
4356
4357         * tree.c (int_fits_type_p): Only look at the base type
4358         if it has the same precision as the original type.
4359
4360 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
4361
4362         PR other/4372
4363         * varasm.c (assemble_alias): Use %q+D in the error
4364         message instead of %J and %qD.
4365
4366 2005-11-10  Richard Guenther  <rguenther@suse.de>
4367
4368         * gcse.c (free_ldst_entry): Only free hashtable if
4369         it exists.
4370
4371 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4372
4373         * function.c (assign_stack_local_1): Issue an error message if
4374         the frame size overflows in the signed target arithmetics.
4375
4376 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4377
4378         * tree.c (build_qualified_type): Chain the new type to the original
4379         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4380         a POINTER_TYPE or a REFERENCE_TYPE respectively.
4381         (build_pointer_type_for_mode): Only return unqualified types.
4382         (build_reference_type_for_mode): Likewise.
4383
4384 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
4385
4386         * Makefile.in (gnucompare): Do comparison of all files using one of
4387         the chosen methods and only afterwards decide if just warning should
4388         be issued or comparison failure raised.
4389
4390 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4391
4392         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4393         (noce_try_abs): Negate if the comparison is reversed.
4394         Look only one instruction backwards for a REG_EQUAL note.
4395
4396 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
4397
4398         PR other/4372
4399         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
4400         gthr-tpf.h: Define __gthrw.  For all identifiers that might
4401         be weak, introduce weakrefs or non-weak aliases with __gthrw,
4402         and prefix all uses with __ghtrw.
4403
4404 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
4405
4406         PR other/4372
4407         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
4408         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
4409         * c-common.c (handle_weakref_attribute): New.
4410         (c_common_attribute_table): Add weakref.
4411         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
4412         in the assembler.
4413         * configure, config.in: Rebuilt.
4414         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4415         * doc/extend.texi: Document weakref attribute.
4416         * varasm.c (ultimate_transparent_alias_target): New
4417         (assemble_name): Use it.
4418         (weak_finish_1): Split out of...
4419         (weak_finish): ... and deal with weakrefs in...
4420         (weakref_targets): ... new list.
4421         (globalize_decl): Clean up weakref_targets.
4422         (do_assemble_alias): Handle weakrefs.
4423         (finish_aliases_1): Do not reject weakrefs to external symbols.
4424         (assemble_alias): Handle weakrefs.
4425
4426 2005-11-09  Richard Guenther  <rguenther@suse.de>
4427
4428         PR tree-optimization/24716
4429         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4430         t_bool to track results from follow_ssa_edge.
4431
4432 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4433
4434         * final.c (force_source_line): New global variable.
4435         (final_scan_insn): Set it to true instead of clearing last_filename.
4436         (notice_source_line): Return true if force_source_line is true,
4437         unless source info is absent.
4438
4439 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
4440
4441         PR c/24644
4442         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4443         a linkage name for a variable if it a register variable.
4444         * c-decl.c (grokdeclarator): Global register variables
4445         should be set as PUBLIC.
4446
4447 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4448
4449         PR 24624
4450         * config/s390/s390.c (struct s390_frame_layout): New fields
4451         first_save_gpr_slot and last_save_gpr_slot.
4452         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4453         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4454         first_save_gpr and last_save_gpr with the _slot variants.
4455         (s390_register_info): Calculate first_save_gpr_slot and
4456         last_save_gpr_slot using regs_ever_live.
4457
4458 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4459
4460         PR 24623
4461         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4462         for a function containing a landing pad.
4463
4464 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4465
4466         PR 24034
4467         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4468         is live afterwards.
4469
4470 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
4471
4472         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4473         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4474
4475 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
4476
4477         Add ms2 support
4478         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4479         constants.
4480         (call,load,store): New insn types.
4481         (mem_access, branch_access): Adjust reservation conditions.
4482         (define_delay): Adjust condition.
4483         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
4484         type.
4485         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4486         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4487         insn type.
4488         (call_internal, call_value_internal, return_internal,
4489         return_interrupt_internal, eh_return_internal, indirect_jump,
4490         tablejump): Set call insn type.
4491         (blockage, ei, di): Use appropriate unspec const.
4492         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4493         (ms1_get_attr_type): Adjust to give load & store types.
4494         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
4495         backwards past a barrier.
4496         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
4497         branch scheduling.
4498         (struct branch_info, struct label_info): New.
4499         (ms1_labels): New.
4500         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4501         (ms1_machine_reorg): New.
4502         (TARGET_MACHINE_DEPENDENT_REORG): Override.
4503         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4504         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4505         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4506         (TARGET_MS2): New.
4507
4508 2005-11-09  Per Bothner  <per@bothner.com>
4509             Uros Bizjak  <uros@kss-loka.si>
4510
4511         PR c/24101
4512         * toplev.c (process_options): Initialize debug_hooks early
4513         in case lang_hooks.post_options ends up calling a debug_hook.
4514
4515 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
4516
4517         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4518         DBX_REGISTER_NUMBER being contiguous.
4519
4520 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
4521             Diego Novillo  <dnovillo@redhat.com>
4522
4523         PR 23046
4524         * tree-vrp.c (register_edge_assert_for): Do not register
4525         always-false predicates.
4526
4527 2005-11-08  Devang Patel <dpatel@apple.com>
4528
4529         PR tree-optimization/23115
4530         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4531         relation.
4532
4533 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
4534
4535         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4536         -mcpu=440.
4537
4538 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
4539
4540         Fix PR tree-optimization/23382
4541
4542         * tree-ssa-alias.c (compute_may_aliases): Call
4543         delete_old_heap_vars.
4544         * tree-dfa.c (referenced_var_remove): New function.
4545         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4546         * tree-flow.h (referenced_var_remove): Add prototype.
4547         (delete_old_heap_vars): Ditto.
4548         * tree-ssa-structalias.c (heapvars): New variable.
4549         (oldheapvars): Ditto.
4550         (get_constraint_for): Put heap vars on heapvars list.
4551         (delete_old_heap_vars): New function.
4552
4553 2005-11-08  Jason Merrill  <jason@redhat.com>
4554
4555         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4556
4557 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
4558
4559         PR target/19340
4560         * reg-stack.c (reg_to_stack): Update register liveness also
4561         for flag_sched2_use_traces.
4562
4563 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
4564
4565         PR target/23704
4566         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4567         override prior explicit -mno-powerpc-gfxopt.
4568
4569 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
4570
4571         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4572         if the bitsize is zero.
4573         * doc/md.texi (Standard Pattern Names): Document it.
4574
4575         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4576         (TARGET_PASS_BY_REFERENCE): Likewise.
4577
4578 2005-11-07  Ian Lance Taylor  <ian@airs.com>
4579
4580         PR rtl-optimization/24683
4581         * config/i386/i386.c (legitimize_pic_address): If constant operand
4582         to PLUS is too large, put it in a register.
4583
4584 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
4585
4586         * configure.ac: Enable checking assembler dwarf2 support for bfin
4587         target.
4588         * configure: Regenerate.
4589
4590 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4591
4592         PR target/24230
4593
4594         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4595         gen_easy_vector_constant_add_self): Delete.
4596         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4597         New.
4598         (output_vec_const_move): Use gen_easy_altivec_constant.
4599         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4600         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4601         (easy_vector_constant_add_self): Rewritten.
4602         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4603         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4604         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4605         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4606         Macroize and adjust for the other changes.
4607
4608 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4609
4610         PR c/24599
4611
4612         * c-typeck.c (build_c_cast): Try using a shared constant, and see
4613         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4614
4615 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
4616
4617         PR rtl-optimization/23567
4618         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4619         (noce_process_if_block): Don't do any optimizations except
4620         if (cond) x = x; if !set_b and write into orig_x may trap
4621         or fault.  Remove the MEM_READONLY_P check.
4622
4623 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
4624
4625         PR 24670
4626         * tree-vrp.c (fix_equivalence_set): New.
4627         (extract_range_from_assert): Call it.
4628
4629 2005-11-05  Ian Lance Taylor  <ian@airs.com>
4630
4631         PR target/22432
4632         * combine.c (apply_distributive_law): Don't distribute across a
4633         vector mode subreg.
4634
4635 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
4636
4637         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4638         config/ms1/ms1.h, config/rs6000/predicates.md,
4639         config/s390/s390.c, params.def, postreload-gcse.c,
4640         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4641         tree-vrp.c, tree.c: Fix comment typos.
4642         * doc/invoke.texi: Fix typos.
4643
4644 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
4645
4646         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4647         for testing whether the data_dependence_relation contains distance
4648         vectors.  Iterate over all distance vectors of the ddr.
4649         * lambda.h: Define a vec of lambda_vector pointers.
4650         * tree-data-ref.c (dump_data_dependence_relation,
4651         dump_data_dependence_direction): Iterate over all distance and
4652         direction vectors of the ddr.
4653         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4654         DDR_DIST_VECTS.
4655         (build_classic_dist_vector, build_classic_dir_vector): Push a set
4656         of distance/direction vectors instead of a single one.
4657         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4658         lambda_vectors with a vec of lambda_vectors.
4659         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4660         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4661         DDR_NUM_DIST_VECTS): New.
4662         * tree-loop-linear.c (gather_interchange_stats): Test for the
4663         existence of distance vectors only after having checked that there
4664         is a dependence.  Iterate over all distance vectors of the ddr.
4665         (linear_transform_loops): Use dump_data_dependence_relation.
4666         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4667         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
4668         distance vectors of the ddr.
4669
4670 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4671
4672         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4673         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4674         IS_INTHANDLER; all callers changed.
4675         (n_regs_saved_by_prologue): Take interrupt handler attributes into
4676         account.
4677         (do_link, do_unlink): New argument ALL; all callers changed.
4678         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4679         If function isn't leaf, save and restore all registers.
4680         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4681         exception handler.
4682
4683 2005-11-05  Jan Hubicka  <jh@suse.cz>
4684
4685         PR rtl-optimization/23490
4686         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4687         max-flow-memory-location): Document.
4688         * flow.c: Include params.h
4689         (MAX_MEM_SET_LIST_LEN): Kill.
4690         (add_to_mem_set_list): Use new param.
4691         * cse.c (cse_basic_block): Replace 1000 by new param.
4692         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4693         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4694         * predict.c (predict_loops): Use new param.
4695         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4696
4697         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4698         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4699         Do not hold memory returned by cgraph_node_name across other call.
4700
4701 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
4702
4703         PR target/23424
4704         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4705         Disable.
4706
4707 2005-11-04  Jeff Law  <law@redhat.com>
4708
4709         PR/21883
4710         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4711         * tree-ssa-dom.c: Include params.h.
4712         (thread_across_edge): If there are too many statements in the
4713         target block, then do not thread through it.
4714         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4715         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4716
4717 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
4718
4719         PR 24627
4720         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4721         TODO_update_ssa instead of TODO_update_ssa_no_phi.
4722
4723 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
4724
4725         PR/18595
4726         * tree-scalar-evolution.c (instantiate_parameters_1,
4727         instantiate_parameters, resolve_mixers): Compute the size of an
4728         expression to be instantiated and give up the instantiation if the
4729         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4730
4731 2005-11-04  Richard Guenther  <rguenther@suse.de>
4732
4733         * tree-flow.h (ref_contains_indirect_ref): Rename to
4734         array_ref_contains_indirect_ref.
4735         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4736         (array_ref_contains_indirect_ref): Make comment match the code
4737         and vice-versa.
4738         (ref_contains_array_ref): Likewise.
4739         * tree-ssa-structalias.c (find_func_aliases): Remove call to
4740         ref_contains_indirect_ref.
4741         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4742         Rename calls to ref_contains_indirect_ref.
4743
4744 2005-11-04 Paul Brook  <paul@codesourcery.com>
4745
4746         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4747         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4748         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4749         * config/arm/arm.md: Use match_operand in peephole input templates
4750         and match_dup in peephole output templates.
4751
4752 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4753
4754         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4755         __aeabi_uidiv.
4756
4757 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
4758             Daniel Jacobowitz  <dan@codesourcery.com>
4759
4760         * longlong.h (add_ssaaaa): Clobber condition code register
4761         in ARM version.
4762         (sub_ddmmss): Likewise.
4763         (umul_ppmm): Likewise.
4764
4765 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4766             Paul Brook  <paul@codesourcery.com>
4767             Phil Blundell  <pb@reciva.com>
4768
4769         * configure.ac: Add test for ARM TLS support.
4770         * configure: Regenerated.
4771         * config/arm/arm-protos.h (legitimize_tls_address)
4772         (arm_tls_referenced_p, tls_mentioned_p)
4773         (arm_output_addr_const_extra): New prototypes.
4774         (thumb_legitimize_pic_address): Delete.
4775         * config/arm/arm.c: Include "gt-arm.h".
4776         (enum tls_reloc): New.
4777         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4778         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4779         (arm_call_tls_get_addr, legitimize_tls_address)
4780         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4781         (arm_init_tls_builtins, arm_emit_tls_decoration)
4782         (arm_output_addr_const_extra): New functions.
4783         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4784         (TARGET_HAVE_TLS): Define.
4785         (target_thread_pointer): New.
4786         (arm_override_options): Handle -mtp=.
4787         (legitimize_pic_address): Ignore UNSPECs.
4788         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4789         relative symbols.
4790         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4791         (tls_get_addr_libfunc): New variable.
4792         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4793         (arm_init_builtins): Call arm_init_tls_builtins.
4794         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4795         (arm_encode_section_info): Call default_encode_section_info.
4796         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4797         (enum arm_tp_type): New.
4798         (target_thread_pointer): Add declaration.
4799         (LEGITIMATE_CONSTANT_P): Handle TLS.
4800         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4801         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4802         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4803         * config/arm/arm.md: Add UNSPEC_TLS.
4804         (movsi): Handle TLS.
4805         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4806         non-PIC.
4807         (tls_load_dot_plus_eight): New insn and a peephole to create it.
4808         (load_tp_hard, load_tp_soft): New insns.
4809         * arm.opt: Add -mtp=.
4810         * doc/invoke.texi (ARM Options): Document -mtp.
4811
4812 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4813
4814         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4815         * config/arm/libunwind.S: Include "lib1funcs.asm".
4816         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4817         (LIB2ADDEH): Add libunwind.S.
4818         (LIB2ADDEHDEP): Add lib1funcs.asm.
4819         * mklibgcc.in: Handle asm files in libgcc_eh.a.
4820
4821 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4822
4823         PR fortran/18452
4824         * gcc/c.opt: Add a -lang-fortran option.
4825         * gcc/c-opts.c: Add a lang_fortran flag.
4826         (c_common_init_options): Handling the -lang-fortran option.
4827         (c_common_handle_option): Add a case for Fortran options in
4828         preprocessing. Remove cases for -ffixed-form and
4829         -ffixed-line-length. Add a case for -lang-fortran.
4830
4831 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
4832
4833         * config/rs6000/rs6000.c: Include params.h
4834         (optimization_options): Set max-grow-copy-bb-insns default to 16.
4835         (bdesc_2arg): Delete vpkuhss and vpkuwss.
4836         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4837         (UNSPEC_VPKUWSS): Delete.
4838         (altivec_vpkuhss): Delete.
4839         (altivec_vpkuwss): Delete.
4840         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4841         final condition.
4842         (neg_eq0<mode>): Remove final condition.
4843         (neg_eq<mode>): Remove condition and split-condition.
4844
4845 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
4846
4847         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4848         Use associated print macros.
4849
4850 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4851
4852         PR c++/17964
4853         * diagnostic.c (diagnostic_set_info_translated): New function.
4854         (diagnostic_set_info): Use it.  Add comment.
4855         * diagnostic.h (diagnostic_set_info_translated): Declare.
4856
4857 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
4858
4859         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4860         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4861         reference only if 'public' is true.
4862         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4863         emit the .hidden directive only if the indirect reference is public.
4864         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4865         Pass it to dw2_force_const_mem.
4866         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4867         * dwarf2out.c (output_cfi): Adjust calls to above function.
4868         (output_call_frame_info): Likewise.
4869         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4870         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4871
4872 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
4873
4874         PR tree-optimization/24483
4875         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4876         field to elts if possible.
4877
4878 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4879
4880         PR middle-end/23155
4881         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4882         CONSTRUCTOR.
4883
4884 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
4885
4886         Fix PR tree-optimization/24351
4887
4888         * tree-ssa-structalias.c (struct variable_info): Add
4889         collapsed_into.
4890         (get_varinfo_fc): New function to follow collapsing.
4891         (new_var_info): Set collapsed_to to NULL.
4892         (dump_constraint): Follow collapsing.
4893         (build_constraint_graph): Handle collapsing.
4894         (do_simple_structure_copy): Return false if something bad
4895         happened.
4896         (collapse_rest_of_var): New function.
4897         (do_structure_copy): Collapse if do_simple_structure_copy returns
4898         false.
4899
4900 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4901
4902         PR middle-end/24589
4903         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4904         expressions to a statement list instead of gimplifying them.
4905
4906 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4907
4908         PR rtl-optimization/23585
4909         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4910         that can't trap plus a constant integer, if the mode has zero size.
4911
4912 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4913
4914         PR target/24620
4915         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4916         as operand 2.
4917         ("*insv<mode>_reg_extimm"): Likewise.
4918
4919 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4920
4921         PR c/24329
4922         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4923         c_common_type_for_mode returns an unnamed type.
4924
4925 2005-11-02  Richard Henderson  <rth@redhat.com>
4926
4927         PR target/9350
4928         PR target/24374
4929         * dwarf2out.c (dwarf2out_reg_save_reg): New.
4930         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4931         * function.c (assign_parms): Use calls.internal_arg_pointer.
4932         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4933         code.
4934         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4935         (TARGET_CALLS): Add it.
4936         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4937         * targhooks.c (default_internal_arg_pointer): New.
4938         * targhooks.h (default_internal_arg_pointer): Declare.
4939         * tree.h (dwarf2out_reg_save_reg): Declare.
4940         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4941         * config/i386/i386.c (dbx_register_map): Add return column.
4942         (dbx64_register_map, svr4_dbx_register_map): Likewise.
4943         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4944         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4945         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4946         (ix86_save_reg): Save force_align_arg_pointer.
4947         (ix86_emit_save_regs): Make regno unsigned.
4948         (ix86_emit_save_regs_using_mov): Likewise.
4949         (ix86_expand_prologue): Handle force_align_arg_pointer.
4950         (ix86_expand_epilogue): Likewise.
4951         * config/i386/i386.h: (dbx_register_map): Update.
4952         (dbx64_register_map, svr4_dbx_register_map): Update.
4953         (struct machine_function): Add force_align_arg_pointer.
4954         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4955         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4956         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4957
4958 2005-11-02  Jan Hubicka  <jh@suse.cz>
4959
4960         PR target/23303
4961         * i386.md: Add peep2 for simplyfing array accesses.
4962
4963 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4964
4965         PR target/24615
4966         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4967         * config/s390/s390.c (s390_decompose_shift_count): New function.
4968         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4969         (print_shift_count_operand): Use s390_decompose_shift_count.
4970         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4971         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
4972
4973 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4974
4975         PR target/24600
4976         * loop.c (loop_givs_rescan): Use force_operand to expand
4977         complex GIVs.
4978
4979 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
4980
4981         PR 22429
4982         * fold-const.c (build_range_check): Use unsigned when signed
4983         overflow is undefined also.  If etype is subtype, make sure that
4984         the subtraction is in the supertype.
4985
4986 2005-11-02  Richard Henderson  <rth@redhat.com>
4987
4988         PR target/24178
4989         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4990         by MEM_ALIGN.
4991
4992 2005-11-01  Richard Henderson  <rth@redhat.com>
4993
4994         PR 21518
4995         * loop.c (scan_loop): Do not propagate computations to a hard
4996         register destination with SMALL_REGISTER_CLASSES.
4997
4998 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
4999
5000         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
5001         costs for MULT inside PLUS or MINUS.
5002
5003 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
5004
5005         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
5006         (TRAMPOLINE_SIZE): Round up to 60.
5007         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
5008
5009 2005-10-31  James E. Wilson  <wilson@specifix.com>
5010
5011         PR debug/24444
5012         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
5013         ifdef.  Put ifdefs around call in gen_subprogram_die.
5014         (compute_frame_pointer_to_cfa_displacement): Likewise.
5015         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
5016         not defined.
5017
5018         PR rtl-optimization/17356
5019         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
5020         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
5021
5022 2005-10-31  Jan Hubicka  <jh@suse.cz>
5023
5024         PR middle-end/24093
5025         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
5026
5027         PR target/20928
5028         * i386.c (legitimize_pic_address): Deal with large immediates.
5029
5030         PR profile/20815
5031         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
5032         from symbol names while computing checkup.
5033
5034         PR profile/24487
5035         * predict.c (predict_loops): Do not estimate more than
5036         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
5037         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
5038
5039 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
5040
5041         PR tree-optimization/19097
5042         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
5043
5044 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
5045
5046         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
5047
5048 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
5049
5050         PR middle-end/23492
5051         * tree-inline.c (setup_one_parameter): If the init_stmt
5052         is NULL, don't insert the statement.
5053
5054 2005-10-30  Jan Hubicka  <jh@suse.cz>
5055
5056         PR tree-optimization/24172
5057         * tree-inline.c (copy_body_r): Unshare the substituted value first.
5058
5059 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
5060
5061         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
5062         constants for hosts with long != 32 bits.
5063
5064 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
5065
5066         PR middle-end/24093
5067         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
5068
5069 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
5070
5071         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
5072         (TARGET_MS1_16_002): New.
5073         (TARGET_MS1_16_003): New.
5074
5075         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
5076         ("*decrement_and_branch_until_zero_no_clobber"): New.
5077         Add corresponding splitter for decrement_and_branch_until_zero
5078         instruction.
5079         Key all decrement_and_branch_until_zero patterns off of
5080         TARGET_MS1_16_003.
5081
5082 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
5083
5084         PR middle-end/24362
5085         * tree-complex.c (extract_component): Treat RESULT_DECL
5086         like the rest of the decls.
5087
5088 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
5089
5090         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
5091         indirect call to _mcount if the function needs a static chain.
5092
5093 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
5094             Caroline Tice  <ctice@apple.com>
5095
5096         PR rtl-optimization/24460
5097         * dwarf2out.c (have_switched_text_sections): New boolean variable.
5098         (dwarf2out_switch_text_section): Set it to true instead of
5099         incrementing separate_line_info_table_in_use.
5100         (output_loc_list): Additionally test have_switched_text_sections.
5101         (output_ranges): Likewise.
5102         (dwarf2out_finish): Likewise.
5103         * varasm.c (assemble_start_function): Do not call
5104         insert_section_boundary_note.
5105         (assemble_end_function): If flag_reorder_blocks_and_partition,
5106         switch to the function's section before emitting the .size directive.
5107         * bb-reorder.c (insert_section_boundary_note): Staticify.
5108         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
5109         * output.h (insert_section_boundary_note): Delete.
5110
5111 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
5112
5113         PR c/23103
5114         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
5115         instead of pointer equality when comparing types.
5116
5117 2005-10-24  James E. Wilson  <wilson@specifix.com>
5118
5119         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
5120         add_dependence_list_and_free calls.
5121
5122 2005-10-24  Steven Bosscher  <stevenb@suse.de>
5123
5124         * contrib.texi: Add the names of the LLNL folks who donated
5125         Cray pointer support for gfortran.
5126
5127 2005-10-24  Steven Bosscher  <stevenb@suse.de>
5128
5129         PR tree-optimization/24225
5130         * profile.c (branch_prob): Look from end to start through a
5131         basic block when looking for a locus.
5132
5133 2005-10-24  Richard Henderson  <rth@redhat.com>
5134
5135         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
5136         parallel.
5137         (hppa_expand_prologue): Likewise.
5138
5139 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5140
5141         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
5142         (NO_DEFERRED_PROFILE_COUNTERS): Define.
5143         * pa.h (NO_PROFILE_COUNTERS): Define.
5144         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
5145         (funcdef_nos): New vector to hold label numbers of deferred profile
5146         counters.
5147         (output_deferred_profile_counters): New function.
5148         (hppa_profile_hook): Push label number onto funcdef_nos.
5149         (pa_hpux_file_end): Call output_deferred_profile_counters if
5150         NO_DEFERRED_PROFILE_COUNTERS is false.
5151
5152         * pa-protos.h (get_deferred_plabel): New prototype.
5153         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
5154         Make global.
5155         (output_call): Adjust calls.
5156
5157 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
5158
5159         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
5160         peculiarity of GOT/TOC section usage.
5161
5162 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
5163
5164         PR objc/24435
5165          * c-common.c (constant_string_class_name): Add documentation.
5166
5167 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
5168
5169         PR target/23832
5170         * recog.c (peephole2_optimize): Increment peep2_current_count
5171         only when the slot is empty.
5172
5173 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5174
5175         PR ada/23957
5176         * except.c (output_function_exception_table): Call
5177         assemble_external_libcall if we need a personality function.
5178
5179 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5180
5181         PR rtl-optimization/24460
5182         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
5183         set the basic block for barriers.
5184
5185 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
5186
5187         * var-tracking.c (vt_initialize): Initialize post.
5188
5189 2005-10-21  Devang Patel  <dpatel@apple.com>
5190
5191         PR/24220
5192         * c-common.c (vector_types_convertible_p): Check vector element type.
5193
5194 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
5195
5196         * config/sh/sh.c (prepare_move_operands): Handle the address
5197         constant which is a tls symbolic address plus a constant.
5198
5199 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
5200
5201         PR driver/24473
5202         * gcc.c (main): Use the correct counter for erroring out
5203         about mulitple files.
5204
5205 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
5206
5207         PR target/24465
5208         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
5209         use r2 for 64-bit tls .got access.
5210
5211 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
5212
5213         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
5214         TRUTH_OR_EXPR.
5215
5216 2005-10-20  Steven Bosscher  <stevenb@suse.de>
5217
5218         PR tree-optimization/24307
5219         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
5220
5221 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
5222
5223         PR middle-end/24295
5224         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
5225         alias targets.
5226         * varasm.c (find_decl_and_mark_needed): After cgraph global info
5227         is ready, stop marking functions, but still mark variables.
5228
5229 2005-10-20  Richard Guenther  <rguenther@suse.de>
5230
5231         PR c++/24439
5232         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
5233         void type operands.
5234
5235 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
5236
5237         PR rtl-optimization/23585
5238         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
5239         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
5240         (may_trap_p_1): New predicate extracted from...
5241         (may_trap_p): ... here.  Invoke may_trap_p_1.
5242         (may_trap_or_fault_p): New predicate.
5243         * rtl.h (may_trap_or_fault_p): Declare it.
5244         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
5245         instead of may_trap_p.
5246         (steal_delay_list_from_fallthrough): Likewise.
5247         (fill_simple_delay_slots): Likewise.
5248         (fill_slots_from_thread): Likewise.
5249         * function.c (pad_to_arg_alignment): Rework comment about
5250         SPARC_STACK_BOUNDARY_HACK.
5251         * config/sparc/sparc.h: Likewise.
5252
5253 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
5254
5255         * config/s390/s390.c (s390_expand_insv): New.
5256         * config/s390/s390-protos.h (s390_expand_insv): Declare.
5257         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
5258         ("icm_hi"): Remove mode attribute.
5259         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
5260         Adjust all uses.
5261         ("*extracthi", "*extractqi"): Remove.
5262         (extv<mode>", "*extzv<mode>"): New.
5263         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
5264         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
5265
5266 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5267
5268         * cfgexpand.c (discover_nonconstant_array_refs_r,
5269         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
5270         (tree_expand_cfg): Call discover_nonconstant_array_refs.
5271         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
5272         discover_nonconstant_array_refs.
5273
5274 2005-10-19  Steven Bosscher  <stevenb@suse.de>
5275
5276         PR c/23228
5277         * c-decl.c (pop_scope): Don't warn about an unused variable
5278         if it is marked with TREE_NO_WARNING.
5279         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
5280         somenow mismatch and olddecl is to be replaced.
5281
5282 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
5283
5284         PR middle-end/23199
5285         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
5286         whether registers live on the edge can be saved/restored.
5287
5288 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
5289
5290         * config/sh/sh.c (fixup_mova): Skip notes.
5291
5292 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5293
5294         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
5295         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
5296         (s390_can_eliminate): Handle BASE_REGNUM elimination.
5297         (s390_initial_elimination_offset): Likewise.
5298         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
5299         register on TARGET_ZARCH targets.
5300         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
5301         (INITIAL_FRAME_POINTER_OFFSET): Remove.
5302         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
5303         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
5304
5305 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5306
5307         * config/s390/s390.md: Comment describing output modifiers updated.
5308         * config/s390/s390.c (print_operand): Likewise.
5309
5310 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5311
5312         * config/s390/s390.c (override_options): Added check for -mstack-size
5313         64k limitation.
5314         * doc/invoke.texi: Mention that limit in the documenation.
5315
5316 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
5317
5318         PR #19672
5319         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
5320
5321 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
5322
5323         Fix PR tree-optimization/24231
5324
5325         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
5326         (compute_avail): Ditto.
5327
5328 2005-10-18  Richard Henderson  <rth@redhat.com>
5329
5330         PR target/24428
5331         * config/i386/i386.c (legitimate_constant_p): Check
5332         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
5333         if LABEL_REF.
5334         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
5335         (legitimate_pic_address_disp_p): Reorg CONST checking to make
5336         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
5337         directly.
5338         (print_operand_address): Likewise.
5339         * config/i386/predicates.md (x86_64_immediate_operand): Test
5340         SYMBOL_REF_TLS_MODEL properly inside CONST.
5341         (x86_64_zext_immediate_operand): Likewise.
5342         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
5343         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
5344         * config/i386/i386-protos.h: Remove predicates.md entries.
5345
5346 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
5347
5348         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5349         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
5350
5351 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
5352             Ian Lance Taylor <ian@airs.com>
5353
5354         PR middle-end/23522
5355         * fold-const.c (fold_widened_comparison): Do not allow range based
5356         constant folding when right operand cannot be unwidened.
5357
5358 2005-10-17  Richard Henderson  <rth@redhat.com>
5359
5360         * builtins.c (expand_builtin_synchronize): Build a new-style asm
5361         with a memory clobber.
5362
5363 2005-10-17  James E Wilson  <wilson@specifix.com>
5364
5365         PR rtl-optimization/17356
5366         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
5367         checking for EDGE_EH.
5368
5369 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
5370
5371         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
5372         the slot on an even boundary for any type with 16-byte alignment.
5373
5374 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
5375
5376         PR target/23424
5377         * md.texi (Modifiers) <%>: Clarify that % doesn't work
5378         after register allocation.
5379
5380 2005-10-17  DJ Delorie  <dj@redhat.com>
5381
5382         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
5383         as frame related.
5384
5385 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
5386
5387         PR c++/22551
5388         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
5389         overflow flags.
5390
5391 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
5392
5393         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
5394         to 2 if it's already non-zero.
5395         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
5396         is set and warn about it if flag_schedule_insns is 1.
5397
5398 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
5399
5400         * config/crx/crx.md: Compare-and-branch instructions need to
5401         invalidate CC.
5402
5403 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
5404
5405         PR target/24315
5406         * config/i386/i386.md (*pushdi2_rex64 splitter)
5407         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
5408         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
5409         flow2 pass only when (optimize > 0 && flag_peephole2).
5410
5411 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
5412
5413         PR driver/22544
5414         * gcc.c (have_c): New static variable.
5415         (have_o): Likewise.
5416         (process_command): Remove declation of have_c.
5417         Set have_o to 1 when handling -o.
5418         (main): Add a fatel error if there are multiple
5419         files specified and -o and -c/-S is passed witout
5420         -combine or multiple languages.
5421
5422 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
5423
5424         Fix PR tree-optimization/22444
5425         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5426         Assert that we don't hit something with subvars.
5427         (setup_pointers_and_addressables): Don't add things with subvars,
5428         because we'll already process the subvars for aliasing purposes.
5429
5430 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
5431
5432         PR target/23424
5433         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5434         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5435         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5436         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5437         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5438         swapped, alternatives for the R constraint.
5439
5440         PR middle-end/24341
5441         * builtins.c (get_builtin_sync_mode): Make unlimited
5442         mode_for_size request.
5443
5444 2005-10-15  Richard Henderson  <rth@redhat.com>
5445
5446         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5447         (gimplify_expr): ... here.
5448         (gimplify_compound_lval): Use it in initial scan loop.  Allow
5449         fb_lvalue in base expression.
5450
5451 2005-10-15  Richard Henderson  <rth@redhat.com>
5452
5453         PR 23714
5454         * builtins.c (expand_builtin_trap): Export.
5455         * expr.h (expand_builtin_trap): Declare.
5456         * expr.c (expand_assignment): Emit a trap for integral offsets
5457         from registers that weren't reduced to bitpos.
5458
5459         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5460         (mark_array_ref_addressable): Remove.
5461         * tree-flow.h (mark_array_ref_addressable): Remove.
5462         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5463
5464 2005-10-15  James E Wilson  <wilson@specifix.com>
5465
5466         PR target/24232
5467         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
5468         (add_dependence_list_and_free): Likewise.
5469         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5470         call.
5471
5472 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
5473
5474         PR 23141
5475         PR 23142
5476         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5477         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5478         anti-range.
5479         (vrp_visit_phi_node): Only prevent infinite iterations when
5480         the previous result and the new result are both VR_RANGEs.
5481
5482 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
5483
5484         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5485         function comment.
5486
5487 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5488
5489         PR c/23439
5490         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5491         to initialize loc.
5492
5493 2005-10-14  Per Bothner  <per@bothner.com>
5494
5495         PR preprocessor/21250
5496         * c-ppoutput.c (print_line): Print internal line 0 as 1.
5497
5498 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
5499
5500         PR c++/22551
5501         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5502         overflow flags.  Refactor some conditionals.
5503
5504 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
5505
5506         PR tree-opt/21304
5507         * tree-dfa.c (add_referenced_var): Only look at decls which
5508         have TREE_CONSTANT or TREE_READONLY set instead of if
5509         !TREE_PUBLIC or !TREE_CONSTANT.
5510
5511 2005-10-13  James E Wilson  <wilson@specifix.com>
5512
5513         * doc/invoke.texi: For -x, add f95-cpp-input.
5514         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5515
5516 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
5517
5518         PR tree-optimization/24262
5519         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5520         in loop all the time.
5521
5522 2005-10-12  Richard Henderson  <rth@redhat.com>
5523
5524         PR c/24255
5525         * tree.h (DECL_TRANSPARENT_UNION): Remove.
5526         * function.c (assign_parm_find_data_types): Don't support it.
5527         * print-tree.c (print_node): Likewise.
5528         * c-common.c (handle_transparent_union_attribute): Likewise.
5529         Use build_duplicate_type.
5530         * tree-inline.c (remap_type_1): Split out of remap_type;
5531         properly remap aggregate fields.
5532         (build_duplicate_type): New.
5533         * doc/extend.texi (Variable Attributes): Remove documentation
5534         for transparent_union.
5535
5536 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5537
5538         PR target/24284
5539         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5540         (gen_stack_pointer_dec): Likewise.
5541
5542 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
5543
5544         PR middle-end/21275
5545         PR middle-end/21766
5546         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5547         target hook.
5548         (struct cxx): Add adjust_class_at_definition target hook.
5549         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5550         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5551         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5552         hook_void_tree. Add to TARGET_CXX.
5553         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5554         dllimport_flag.
5555         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5556         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5557         instead of attribute. Check for dllexport override.  Warn if
5558         inconsistent dll linkage. Don't lose old dllimport if decl has
5559         had address referenced.   Tweak lookup of dllimport atribute.
5560         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5561         for target specific rules.  Don't add dllimport attribute if
5562         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
5563         dllimport attribute.
5564         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5565         * varasm.c (initializer_constant_valid_p): Replace
5566         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5567
5568         PR target/21801
5569         PR target/23589
5570         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5571         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5572         (i[34567]86-*-mingw32*): Likewise.
5573
5574         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5575         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5576
5577         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5578         C++-specific code. Change return value to bool.
5579         (i386_pe_dllimport_p): Likewise.
5580         (associated_type): Simplify and make language-independent
5581         (i386_pe_encode_section_info): Replace override of ambiguous
5582         dllimport symbol refs with a gcc_assert.
5583         (i386_pe_valid_dllimport_attribute_p): Define.
5584         * config/i386/winnt-cxx.c: New file. Define C++ versions of
5585         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5586         i386_pe_adjust_class_at_definition.
5587         * config/i386/winnt-stubs.c: New file. Define stub versions of
5588         lang-specific functions.
5589         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5590         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5591         i386_pe_adjust_class_at_definition.
5592         (i386_pe_valid_dllimport_attribute_p): Declare.
5593         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5594         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5595         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5596
5597         PR target/19704
5598         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5599         dllimport attribute with test of DECL_DLLIMPORT_P.
5600
5601 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
5602
5603         * combine.c (make_extraction): Correct offset computation.
5604
5605 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
5606
5607         * config/cris/t-linux (LIMITS_H_TEST): Define.
5608
5609 2005-10-12  Richard Henderson  <rth@redhat.com>
5610
5611         PR rtl-opt/23324
5612         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5613
5614 2005-10-12  Richard Guenther  <rguenther@suse.de>
5615
5616         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5617
5618 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
5619
5620         PR c++/19964
5621         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5622         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5623         type.
5624
5625 2005-10-12  Richard Guenther  <rguenther@suse.de>
5626
5627         PR c++/23799
5628         * varasm.c (output_constant): Correct typo from previous
5629         patch by DJ.
5630
5631 2005-10-11  Ian Lance Taylor  <ian@airs.com>
5632
5633         PR rtl-optimization/13931
5634         * combine.c: Revert patch of 2003-05-14, and:
5635         (try_combine): Only set elim_i1 and elim_i2 if the destination is
5636         completely killed in the appropriate insn.
5637         (distribute_notes): Don't skip multiple hard register test for
5638         elim_i1 and elim_i2.
5639
5640 2005-10-11  Richard Henderson  <rth@redhat.com>
5641
5642         PR c/24255
5643         * c-typeck.c (convert_for_assignment): Use build_constructor_single
5644         to initialize a transparent union instead of a nop_expr.
5645
5646 2005-10-11  Richard Henderson  <rth@redhat.com>
5647
5648         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5649         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5650         (tree_ssa_dce_loop): Call scev_reset.
5651
5652         PR tree-opt/24300
5653         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5654         * tree-ssa-dce.c: Include cfgloop.h.
5655         (tree_ssa_dce_loop, pass_dce_loop): New.
5656         * tree-pass.h (pass_dce_loop): Declare it.
5657         * passes.c (init_optimization_passes): Use it.
5658
5659 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
5660
5661         PR middle-end/24263
5662         * convert.c (convert_to_real): Revert 2005-10-05 patch.
5663         Only apply the optimization for rounding builtins if the inner
5664         cast is also an extension.
5665
5666 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
5667
5668         PR tree-opt/23946
5669         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5670         mark_new_vars_to_rename instead of update_stmt.
5671
5672 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5673
5674         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5675
5676 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
5677
5678         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5679         for setting MMX register to 0 rather than mmx.
5680
5681 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
5682
5683         PR target/12098
5684         * configure.ac: Move gas check from mips specific case to common case.
5685         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5686         * configure: Regenerate
5687         * doc/install.texi: Update.
5688
5689 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
5690
5691         PR target/24284
5692         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5693
5694 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
5695
5696         * gcc.c (do_spec_1): Accept numeric characters in file name
5697         suffixes.
5698
5699 2005-10-10  Nick Clifton  <nickc@redhat.com>
5700
5701         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
5702         describing the deleted arm_gen_rotated_half_load function.
5703
5704 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5705
5706         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5707         __fpscr_values.
5708
5709 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
5710
5711         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5712         gnu_ld assignments.
5713         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5714         (EXTRA_MULTILIB_PARTS): Define.
5715         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5716         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5717         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5718         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5719         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5720         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5721
5722 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
5723
5724         PR tree-optimization/24226
5725         * tree-cfg.c (remove_bb): Clean up unreachable loops.
5726         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5727         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5728         Export.
5729
5730 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
5731
5732         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5733
5734 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
5735
5736         PR target/24136
5737         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5738         Rewrite for no need for the early clobber.
5739
5740 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5741
5742         Merge from csl-arm-branch:
5743         2005-09-07  Paul Brook  <paul@codesourcery.com>
5744         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5745         space to string.
5746
5747         2005-04-30  Paul Brook  <paul@codesourcery.com>
5748         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5749         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5750
5751         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
5752         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5753         (arm_override_options): Use TARGET_AAPCS_BASED.
5754         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5755         (PTRDIFF_TYPE): Use int for AAPCS.
5756         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5757         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5758         (DEFAULT_SHORT_ENUMS): Delete.
5759         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5760
5761         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
5762         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5763         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5764         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5765
5766         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
5767         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5768
5769         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
5770         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5771
5772         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
5773         * config.gcc (arm*-*-linux-gnueabi): Add it.
5774         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5775         redefining it.
5776         (TARGET_OS_CPP_BUILTINS): Likeiwse.
5777         * config/arm/linux-eabi.h: New file.
5778         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5779         (LINUX_TARET_LINK_SPEC): Likewise.
5780         (LINK_SPEC): Use it.
5781         * config/arm/t-linux-eabi: New file.
5782
5783 2005-10-08  Steven Bosscher  <stevenb@suse.de>
5784
5785         PR other/22202
5786         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5787         spaces.
5788         (PARAM_SMS_DFA_HISTORY): Likewise.
5789
5790 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5791
5792         PR middle-end/23150
5793         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5794         (load_register_parameters): Call it.
5795         (check_sibcall_argument_overlap_1): Likewise.
5796         (store_one_arg): Likewise.
5797
5798 2005-10-07  James E. Wilson  <wilson@specifix.com>
5799
5800         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5801         DImode not VECINT24 for operand 2.
5802
5803         PR target/23644
5804         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5805         -mtune-arch.
5806
5807         PR target/24193
5808         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5809         fr_spill): Use destination_operand for operand 0.
5810
5811 2005-10-07  DJ Delorie  <dj@redhat.com>
5812
5813         * varasm.c (output_constant): Limit error to expanding
5814         conversions.
5815
5816 2005-10-07  Richard Guenther  <rguenther@suse.de>
5817
5818         PR middle-end/24227
5819         * fold-const.c (fold_binary): Fix operand types during folding
5820         of X op (A, Y).  Evaluation order of the side-effects of
5821         X and A are frontend-defined, so ensure we honour that even for
5822         tcc_comparison class operands; eased by removing duplicate code.
5823
5824 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5825
5826         * stor-layout.c (layout_type): Do not allow alignment of array
5827         elements to be greater than their size.
5828
5829 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5830
5831         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5832         host_xmake_file.
5833         (hppa*-*-linux*): Ditto.
5834         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5835         * config/host-hpux.c: New.
5836         * config/x-hpux: New.
5837         * config/pa/x-hpux: Remove.
5838         * config/pa/x-linux: Remove.
5839         * config/pa/pa-host.c: Remove.
5840
5841 2005-10-07  Jeff Law  <law@redhat.com>
5842
5843         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5844         determine whether or not to try and thread outgoing edges.
5845
5846 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
5847
5848         * config/rs6000/rs6000.md (eqsi_power): New.
5849         (neg_eq0si): Add TARGET_POWER to final condition.
5850         (neg_eqsi): Same.
5851
5852 2005-10-06  Richard Henderson  <rth@redhat.com>
5853
5854         * config/rs6000/rs6000.c: Revert last change.
5855
5856 2005-10-06  Richard Henderson  <rth@redhat.com>
5857
5858         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5859         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5860
5861 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
5862
5863         PR middle-end/22216
5864         PR middle-end/23651
5865         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5866         out return_label and naked_return_label.
5867
5868 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5869
5870         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5871         change.
5872
5873 2005-10-06  Richard Henderson  <rth@redhat.com>
5874
5875         PR tree-opt/22237
5876         * tree-inline.c (declare_return_variable): Handle modify_dest not
5877         being a DECL.
5878
5879 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5880
5881         Fix PR tree-optimization/22488
5882         * tree-ssa-structalias.c (check_for_overlaps): New function.
5883         (create_variable_info_for): Use it.
5884
5885 2005-10-06  Richard Henderson  <rth@redhat.com>
5886
5887         PR debug/24070
5888         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5889         (dwarf2out_start_source_file): Print it.
5890
5891 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5892
5893         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5894
5895 2005-10-06  Richard Henderson  <rth@redhat.com>
5896
5897         PR 23706
5898         * mode-switching.c (optimize_mode_switching): Clear transp bit
5899         for block with incomming abnormal edges.
5900
5901         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5902         (fpscr_set_from_mem): Use them.
5903         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5904         (fpscr postinc splitters): Rewrite as peephole2+split.
5905
5906 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5907
5908         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5909         (eq<mode>_compare): Same.
5910
5911 2005-10-06  Richard Guenther  <rguenther@suse.de>
5912
5913         PR tree-optimization/24238
5914         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5915
5916 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5917
5918         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5919         here.  Use AC_PATH_PROG for environment variables instead of
5920         test -x.
5921         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
5922         objdump also.
5923         * configure: Regenerated.
5924
5925 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
5926
5927         PR target/23783
5928         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5929         then force it into a register.
5930         (call_value): Likewise.
5931
5932 2005-10-06  Richard Henderson  <rth@redhat.com>
5933
5934         PR 24049
5935         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5936         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
5937         under pass_vectorize.
5938
5939 2005-10-05  Devang Patel  <dpatel@apple.com>
5940
5941         PR Debug/23205
5942         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5943         handling constants. Check NAMESPACE_DECL context for constants.
5944
5945 2005-10-05  Eric Christopher  <echristo@apple.com>
5946
5947         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5948
5949 2005-10-05  Richard Henderson  <rth@redhat.com>
5950
5951         PR 23714
5952         * tree-cfg.c (mark_array_ref_addressable_1): New.
5953         (mark_array_ref_addressable): New.
5954         * tree-flow.h (mark_array_ref_addressable): Declare.
5955         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5956
5957 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
5958
5959         PR middle-end/20606
5960         PR middle-end/24069
5961         * reload.c (subst_reloads): When adding a REG_LABEL to a
5962         jump instruction, also update JUMP_LABEL.
5963
5964 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
5965
5966         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5967         * bb-reorder.c (copy_bb_p): Use it.
5968         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5969
5970 2005-10-05  Richard Henderson  <rth@redhat.com>
5971
5972         PR target/23602
5973         * toplev.c (process_options): Warn about unsupported combinations
5974         of unwind tables and omit-frame-pointer.
5975         * config/i386/i386.c (override_options): Similarly.  Enable
5976         accumulate-outgoing-args if not explicitly disabled.
5977
5978 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
5979
5980         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5981         Handle big endian vs. small endian.
5982         (vec_initv2sf): Handle big endian vs. small endian.
5983         (*vec_extractv2sf_1): Ditto.
5984
5985 2005-10-05  Dale Johannesen  <dalej@apple.com>
5986
5987         * convert.c (convert_to_real):  Don't convert
5988         (float)floor(double d) to floorf((float)d).
5989
5990 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
5991
5992         * config/arm/arm.md (insv): Use gen_int_mode in more places.
5993
5994 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
5995
5996         PR tree-optimization/18587
5997         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5998         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5999         build_vuses): Change to VEC type.
6000         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
6001         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
6002         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
6003         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
6004         (get_name_decl): New.  Return DECL_UID of base variable.
6005         (operand_build_cmp): New.  qsort comparison routine.
6006         (operand_build_sort_virtual): New.  Sort virtual build vector.
6007         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
6008         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
6009         (FINALIZE_BASE): Use get_name_decl.
6010         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
6011         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
6012         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
6013         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
6014         direct VEC_* manipulations.
6015         (build_ssa_operands): Call operand_build_sort_virtual.
6016         (copy_virtual_operand, create_ssa_artficial_load_stmt,
6017         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
6018         with direct VEC_* manipulations.
6019         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
6020         with direct VEC manipulations.
6021
6022 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
6023
6024         PR tree-optimization/21419
6025         PR tree-optimization/24146
6026         PR tree-optimization/24151
6027
6028         * c-typeck.c (readonly_error): Handle USE being lv_asm.
6029         (build_asm_expr): Call it if outputs are read-only.
6030         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
6031
6032 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
6033             Paolo Bonzini  <bonzini@gnu.org>
6034
6035         PR target/23809
6036
6037         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
6038         enable the instructions and not just the built-ins.
6039         * doc/invoke.texi (x86 Options): Likewise.
6040
6041 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
6042
6043         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
6044
6045         * doc/invoke.texi (Option Summary): Correct spelling
6046         of -mmacosx-version-min.
6047
6048 2005-10-04  Devang Patel  <dpatel@apple.com>
6049
6050         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
6051         real types.
6052
6053 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
6054
6055         * tree-vect-transform.c (vect_create_epilog_for_reduction):
6056         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
6057
6058 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
6059
6060         * config/s390/s390.md ("TDSI","DP"): New mode macros.
6061         ("TE","tg"): New mode attributes.
6062         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
6063         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
6064         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
6065         dword_mode and one for GPRmode.
6066
6067 2005-10-04  Ian Lance Taylor  <ian@airs.com>
6068
6069         PR preprocessor/13726
6070         * c-ppoutput.c (cb_include): Add comments parameter, and print out
6071         any comments passed in.
6072
6073 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6074
6075         * tree.c (annotate_with_file_line): Fix typo.
6076
6077 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6078
6079         PR ada/19382
6080         * builtins.c (fold_builtin_memcmp): When constructing the pointer
6081         type used to access data in the inlined length == 1 case, use
6082         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
6083         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
6084
6085 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
6086
6087         * config/i386/i386.h (TARGET_FISTTP): Enable also for
6088         TARGET_SSE3 and only for TARGET_80387.
6089         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
6090         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
6091         Do not depend on TARGET_80387.
6092
6093 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6094
6095         * tree.c (last_annotated_node): Change type to location_t*.
6096         (annotate_with_file_line): Reflect the change of
6097         last_annotated_node type.
6098
6099 2005-10-04  Richard Guenther  <rguenther@suse.de>
6100
6101         PR c/23576
6102         * c-decl.c (grokdeclarator): Don't write to fields
6103         of error_mark_node.
6104
6105 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6106
6107         PR middle-end/23125
6108         * c-decl.c (finish_decl): Use set_user_assembler_name even for
6109         register variables.
6110         * varasm.c (make_decl_rtl): If a register variable does not
6111         have a set user assmbler name, error out.
6112         Decode the asmspec is now name+1 bypassing '*'.
6113
6114 2005-10-04  Steven Bosscher  <stevenb@suse.de>
6115
6116         PR tree-optimization/23049
6117         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
6118         of a COND_EXPR is folded before calling fold on the whole rhs of a
6119         conditional assignment.
6120         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
6121         document that a COND_EXPR may appear there.
6122
6123 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
6124
6125         PR 23445
6126         * tree-vrp.c (extract_range_from_assert): If the new numeric
6127         range created out of the assertion contradicts the existing
6128         numeric range of the ASSERT_EXPR variable, make the new range
6129         varying.
6130
6131 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6132
6133         * config/sh/sh.c (sh_register_move_cost): Add case for moving
6134         from T_REGS to FP register class.
6135
6136 2005-10-03  Richard Henderson  <rth@redhat.com>
6137
6138         PR 24135
6139         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
6140         before creating a new one.
6141
6142 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
6143
6144         * config/rs6000/t-aix43 (LDFLAGS): New.
6145         * config/rs6000/t-aix52 (LDFLAGS): New.
6146
6147 2005-10-03  Ian Lance Taylor  <ian@airs.com>
6148
6149         * gimplify.c (find_single_pointer_decl_1): New static function.
6150         (find_single_pointer_decl): New static function.
6151         (internal_get_tmp_var): For a formal variable, set restrict base
6152         information if appropriate.
6153         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
6154         return it.
6155         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
6156         (DECL_GET_RESTRICT_BASE): Define.
6157         (SET_DECL_RESTRICT_BASE): Define.
6158         (decl_restrict_base_lookup): Declare.
6159         (decl_restrict_base_insert): Declare.
6160         (struct tree_decl_with_vis): Add based_on_restrict_p field.
6161         * tree.c (restrict_base_for_decl): New static variable.
6162         (init_ttree): Initialize restrict_base_for_decl.
6163         (copy_node_stat): Copy restrict base information.
6164         (decl_restrict_base_lookup): New function.
6165         (decl_restrict_base_insert): New function.
6166         (print_restrict_base_statistics): New static function.
6167         (dump_tree_statistics): Call print_restrict_base_statistics.
6168
6169 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
6170
6171         PR 24142
6172         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
6173         case of anti-ranges.
6174
6175 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
6176
6177         PR c/18851
6178         * c-typeck.c (tagged_tu_seen): Rename to ...
6179         (tagged_tu_seen_cache): this and add val field.
6180         (comptypes): Move functional to comptypes_internal
6181         and free tagged_tu_seen.
6182         (comptypes_internal): New function and call comptypes_internal
6183         instead of comptypes. Speed up by sibcalling
6184         tagged_types_tu_compatible_p.
6185         (alloc_tagged_tu_seen): New function
6186         (free_all_tagged_tu_seen_up_to): New function.
6187         (tagged_types_tu_compatible_p): Return the val of the seen two
6188         types.
6189         Add that the two types are the same to tagged_tu_seen_base
6190         if they are and call comptypes_internal instead of comptypes.
6191         <case UNION_TYPE>: Speed up common type where the fields are
6192         in the same order.
6193         (function_types_compatible_p): Call comptypes_internal instead of
6194         comptypes.
6195         (type_lists_compatible_p): Likewise.
6196         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
6197
6198 2005-10-02  Matthias Klose  <doko@debian.org>
6199
6200         * doc/invoke.texi: Fix typo and speling error.
6201
6202 2005-10-01  Richard Henderson  <rth@redhat.com>
6203
6204         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
6205
6206 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
6207
6208         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
6209         using --start-group and --end-group.
6210
6211 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
6212
6213         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
6214         FIXME note regarding quirky semantics.
6215
6216 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
6217
6218         PR 24141
6219         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
6220         non-null range as a last resort.
6221
6222 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
6223             Diego Novillo  <dnovillo@redhat.com>
6224
6225         PR 23604
6226         * tree-vrp.c (extract_range_from_assert): For !=
6227         assertions, only build an anti-range if LIMIT is a
6228         single-valued range.
6229
6230 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
6231
6232         * arm.md (movqi): On thumb when optimizing, handle loading from
6233         memory by describing this as taking a subreg of a zero-extended load
6234         into an SImode register.
6235         (movhi): Likewise.
6236
6237 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
6238
6239         * reload1.c (merge_assigned_reloads): Do not change any
6240         RELOAD_FOR_OUTPUT_ADDRESS reloads.
6241
6242 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
6243
6244         * Makefile.in (LIPO_FOR_TARGET): Define.
6245         (STRIP_FOR_TARGET): Define.
6246
6247         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
6248         before creating new ones.  Do symlinks before creating the actual
6249         targets.
6250
6251         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
6252         to work out which multilibs are actually being built.
6253
6254 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
6255
6256         * tree-vect-transform.c, config/ms1/ms1.md,
6257         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
6258         Follow spelling conventions.
6259         * doc/invoke.texi, doc/md.texi: Fix typos.
6260
6261 2005-09-30  Andrew Macleod  <amacleod@redat.com>
6262
6263         PR tree-optimization/21430
6264         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
6265         use operands, and set stmt pointer if need be.
6266         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
6267         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
6268         present.
6269
6270 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6271
6272         PR middle-end/24053
6273         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
6274
6275 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
6276
6277         * optabs.c (expand_binop): Initialize first_pass_p.
6278
6279 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
6280
6281         PR middle-end/24109
6282         * c-decl.c (c_write_global_declarations_1): If any
6283         wrapup_global_declaration_2 call returned true, restart the loop.
6284
6285 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
6286
6287         Fix PR tree-optimization/24117
6288         * tree-ssa-structalias.c (find_func_aliases): Strip nops
6289         before considering whether to use anyoffset.
6290
6291 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
6292
6293         Revert this patch:
6294
6295         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6296
6297         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6298         to order operands.
6299         (swap_commutative_operands_with_target): New.
6300
6301 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
6302
6303         PR c/21419
6304         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
6305         read-only.
6306
6307 2005-09-29  Steven Bosscher  <stevenb@suse.de>
6308
6309         PR tree-optimization/23911
6310         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
6311         and IMAGPART_EXPR too.
6312
6313 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
6314
6315         PR 17886
6316         * expmed.c (expand_shift): Move logic to reverse rotation
6317         direction when  rotating by constants ...
6318         * optabs.c (expand_binop): ... here.
6319         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
6320         (ix86_rotrdi3): New pattern.
6321         (rotldi3): Handle 32-bit mode.
6322         (ix86_rotldi3): New pattern.
6323
6324 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
6325
6326         PR target/24102
6327         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
6328         check for numbers that need no bit twiddle.
6329
6330 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
6331
6332         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
6333         multilib to be built.
6334
6335         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
6336         (stage1-start): Delete old libgcc and libunwind before moving
6337         anything into the stage directory.
6338         (stage2-start): Likewise.
6339         (stage3-start): Likewise.
6340         (stage4-start): Likewise.
6341         (stageprofile-start): Likewise.
6342         (stagefeedback-start): Likewise.
6343         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
6344         header in tm_file and CPU-specific t-darwin in tmake_file.
6345         (i[34567]86-*-darwin*): Don't change tm_file.
6346         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
6347         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
6348         shared library stub for target OS version.
6349         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
6350         (SHLIB_LINK): Don't make SHLIB_SOLINK.
6351         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
6352         (libgcc_s.%.dylib): New.
6353         (LIBGCC): Define.
6354         (install-darwin-libgcc-stubs): New.
6355         (INSTALL_LIBGCC): New append.
6356         * config/i386/darwin-libgcc.10.4.ver: New.
6357         * config/i386/darwin-libgcc.10.5.ver: New.
6358         * config/i386/t-darwin: New.
6359         * config/rs6000/darwin-libgcc.10.4.ver: New.
6360         * config/rs6000/darwin-libgcc.10.5.ver: New.
6361         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
6362         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
6363
6364 2005-09-28  Paul Brook  <paul@codesourcery.com>
6365
6366         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
6367         denormals.
6368
6369 2005-09-28  Richard Guenther  <rguenther@suse.de>
6370
6371         PR tree-optimization/23853
6372         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
6373         host_integerp to verify misalignment value.
6374
6375 2005-09-28  Richard Henderson  <rth@redhat.com>
6376
6377         * builtins.c (get_builtin_sync_mode): New.
6378         (expand_builtin_sync_operation): Pass in mode argument.
6379         (expand_builtin_compare_and_swap): Likewise.
6380         (expand_builtin_lock_test_and_set): Likewise.
6381         (expand_builtin_lock_release): Likewise.
6382         (expand_builtin): Update to match.
6383
6384 2005-09-28  Nick Clifton  <nickc@redhat.com>
6385
6386         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
6387         formatting.  Add check to PLUS case to ensure that the offset is
6388         within an acceptable range.
6389
6390         * config/v850/v850.md (casesi): Disable the generation of the
6391         switch pattern as it is not being handled properly at the moment.
6392
6393         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
6394         for when the high words are identical.
6395
6396 2005-09-27  Richard Henderson  <rth@redhat.com>
6397
6398         * pretty-print.c (pp_base_format): Fix typo for %>.
6399
6400 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
6401             Devang Patel  <dpatel@apple.com>
6402
6403         PR tree-optimization/23625
6404         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
6405         LABEL_EXPR, assertion check.
6406
6407 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
6408
6409         * optabs.c (no_conflict_move_test): Check if a result of a
6410         to-be-moved insn would be clobbered by an originally
6411         preceding insn.
6412
6413 2005-09-27  Jeff Law  <law@redhat.com>
6414
6415         * passes.c (init_optimization_passes): Replace copy propagation
6416         passes immediately after DOM with phi-only copy propagation
6417         pases.  Add phi-only copy propagation pass after first DOM pass.
6418         * tree-pass.h (pass_phi_only_copy_prop): Declare.
6419         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6420         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6421         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
6422         to init_copy_prop.  Callers updated.
6423         (do_phi_only_copy_prop): New function.
6424         (pass_phi_only_copy_prop): New pass descriptor.
6425
6426 2005-09-27  Nick Clifton  <nickc@redhat.com>
6427
6428         * libgcc2.c (__popcount_tab): Remove redundant prototype.
6429
6430 2005-09-26  Jason Merrill  <jason@redhat.com>
6431
6432         PR c++/13764
6433         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6434
6435         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6436
6437 2005-09-26  James E Wilson  <wilson@specifix.com>
6438
6439         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6440         copyright.  Add gcc copyright plus libgcc exception.
6441         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
6442         copyright.
6443         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6444
6445 2005-09-26  Jeff Law  <law@redhat.com>
6446
6447         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6448         about when to iterate.
6449
6450 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
6451
6452         PR target/23847
6453         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6454         for __complex__ double in -mcpu=G5 mode.
6455
6456 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
6457
6458         PR tree-optimization/23942
6459         * Makefile.in (SCEV_H): Depends on PARAMS_H.
6460         * tree-scalar-evolution.c: Include params.h.
6461         (t_bool): New enum.
6462         (follow_ssa_edge, follow_ssa_edge_in_rhs,
6463         follow_ssa_edge_in_condition_phi_branch,
6464         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6465         Change return type to t_bool.  Use a parameter to limit the size of
6466         trees that are walked before stopping
6467         (analyze_evolution_in_loop): Initialize the limit to 0.
6468         (follow_ssa_edge): Give up by returning t_dont_know if the limit
6469         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6470
6471 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
6472
6473         PR middle-end/23831
6474         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6475         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6476
6477 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
6478
6479         * combine.c (make_extraction): Check for valid use of subreg.
6480
6481 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
6482
6483         PR target/24055
6484         * config/i386/i386.md ("*fistdi2_1"): New pattern.
6485         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6486         ("fist<mode>2_with_temp"): Use only register operands.
6487
6488 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
6489
6490         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6491         CALL_INSN_FUNCTION_USAGE.
6492
6493 2005-09-26  Richard Guenther  <rguenther@suse.de>
6494
6495         PR middle-end/15855
6496         * gcse.c: Include hashtab.h, define ldst entry hashtable.
6497         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6498         (ldst_entry): Use the hashtable instead of list-walking.
6499         (find_rtx_in_ldst): Likewise.
6500         (free_ldst_entry): Free the hashtable.
6501         (compute_ld_motion_mems): Create the hashtable.
6502         (trim_ld_motion_mems): Remove entry from hashtable if
6503         removing it from list.
6504         (compute_store_table): Likewise^2.
6505         (store_motion): Free hashtable in case we did not see
6506         any stores.
6507
6508 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
6509
6510         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6511         and arg1 if we are passing them to fold_build2.
6512
6513 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
6514
6515         PR 23828
6516         * config/i386/i386.c (ix86_function_regparm): Fix the test for
6517         a nested function.
6518
6519 2005-09-25  Richard Henderson  <rth@redhat.com>
6520
6521         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6522         SYMBOL_REF_TLS_MODEL to be correct.
6523
6524 2005-09-24  Richard Henderson  <rth@redhat.com>
6525
6526         * ipa-type-escape.c (discover_unique_type): Remove dead code at
6527         end of function.  Reindent.
6528
6529 2005-09-24  Ian Lance Taylor  <ian@airs.com>
6530
6531         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6532         NEGATE_EXPR/BIT_NOT_EXPR case.
6533
6534 2005-09-24  Richard Henderson  <rth@redhat.com>
6535
6536         * c-common.c (handle_mode_attribute): When not modifying in place,
6537         create subtypes for enumerations.
6538         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6539         * gimplify.c (create_tmp_from_val): Likewise.
6540
6541 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
6542
6543         * config/i386/i386.md (*tls_global_dynamic_64,
6544         *tls_local_dynamic_base_64): Add missing mode to call.
6545         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6546
6547 2005-09-24  Jan Hubicka  <jh@suse.cz>
6548
6549         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6550         (cgraph_clone_node): Likewise.
6551         * cgraph.h (cgraph_clone_edge): Update prototype.
6552         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6553         duplicated prototypes; add updating argument.
6554         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6555         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6556         updating profile.
6557         (cgraph_mark_inline_edge): Likewise.
6558         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6559         (cgraph_flatten_node): Likewise.
6560         (cgraph_decide_recursive_inlining): Likewise.
6561         (cgraph_decide_inlining_of_small_function): Likewise.
6562         * tree-optimize.c (tree_rest_of_compilation): Likewise.
6563
6564 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6565             Pete Steinmetz <steinmtz@us.ibm.com>
6566
6567         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6568         (rldic.): Set type to "compare".
6569         (rldicr.): Same.
6570         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
6571         mfjmpr for MFCTR/MFLR.
6572         (movdf_hardfloat64): Same.
6573         (movdf_softfloat64): Same.  Correct order of store and move types.
6574         (movti_string): Set type to store_ux/load_ux.
6575         (load_multiple): Set type to load_ux.
6576         (store_multiple): Set type to store_ux.
6577         (movmemsi): Set type to store_ux.
6578         (output_cbranch direct_return): Set type to jmpreg.
6579         (stmw): Set type to store_ux.
6580         (lmw): Set type to load_ux.
6581         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6582         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6583         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6584         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6585         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6586         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6587         (rios1-fpstore): Increase latency to 3.
6588         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6589         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6590
6591 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6592             Andrew Pinski  <pinskia@physics.uc.edu>
6593
6594         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6595         operand2 constraint to "b".
6596         (sync_<fetchop_name>di_internal): Same.
6597         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6598         to "b".
6599         (sync_old_<fetchop_name>di_internal): Same.
6600         (sync_new_<fetchop_name>si_internal): Same.
6601         (sync_new_<fetchop_name>di_internal): Same.
6602
6603 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
6604
6605         PR middle-end/23991
6606         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6607         case, define as macros.
6608
6609         PR rtl-optimization/23837
6610         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
6611         clobber / clobber match between dest and p->first.
6612
6613         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6614         (no_conflict_move_test): Update comments.
6615
6616 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
6617
6618         * doc/install.texi: Update URL for Jacks.
6619         * doc/sourcebuild.texi: Likewise.
6620
6621 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
6622
6623         PR target/24007
6624         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6625         registers when choosing register preferences.
6626         (movdf_hardfloat64): Same.
6627
6628 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
6629
6630         * expmed.c (expand_shift): Don't use the target of the rotate as
6631         target for the first expanded shift insn.
6632         * testsuite/gcc.dg/20050922-1.c: Testcase added.
6633
6634 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
6635
6636         PR tree-optimization/22438
6637         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6638         preserved iv rhs rewriting specially.
6639
6640 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
6641
6642         * tree-data-ref.c (analyze_array_indexes): Only estimate when
6643         estimate_only  is true.
6644         * tree-flow.h (ref_contains_indirect_ref): New prototype.
6645         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6646         tree-ssa-structalias.c
6647         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6648         ref_contains_indirect_ref.
6649         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6650
6651 2005-09-21  DJ Delorie  <dj@redhat.com>
6652
6653         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6654         MASK_PTR_A0D0.
6655         (mn10300_return_in_memory): Support variable size types also.
6656         (mn10300_pass_by_reference): Likewise.
6657         (mn10300_function_value): New.
6658         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6659         (FUNCTION_OUTGOING_VALUE): Likewise.
6660         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6661         * doc/invoke.texi: Document it.
6662
6663 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
6664
6665         PR target/22585
6666         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6667         force integer op1 into register for XFmode compares.
6668
6669 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
6670
6671         PR middle-end/23971
6672         * expmed.c (alg_code): Add alg_impossible.
6673         (alg_hash_entry): Add cost.
6674         (synth_mult): Record alg_impossible in the hash table if
6675         multiplication by a given integer is impossble within the
6676         limit.  Speed up using alg_impossible.
6677
6678 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6679
6680         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6681         argument.  Allow and set any offset if needs_anyoffset is passed
6682         in.
6683         (get_constraint_for): Add argument here too.
6684         Pass it down.
6685         (do_structure_copy): Pass NULL to get_constraint_for.
6686         (handle_ptr_arith): Ditto.
6687         (find_func_aliases): Ditto.
6688
6689 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
6690
6691         PR rtl-optimization/23898
6692         * output.h (get_attr_min_length): Declare.
6693         * final.c (get_attr_length_1): New function, broken out of:
6694         (get_attr_length).
6695         (get_attr_min_length): New function.
6696         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6697         (duplicate_computed_gotos): Likewise.
6698         * genattr.c (insn_min_length): Generate declaration.
6699         * genattrtab.c (min_fn, min_attr_value): New functions.
6700         (make_length_attrs): Generate insn_min_length.
6701
6702 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
6703
6704         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6705
6706 2005-09-20  Richard Henderson  <rth@redhat.com>
6707
6708         PR tree-optimization/24059
6709         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6710         EXPAND_STACK_PARM.
6711
6712 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
6713
6714         * c.opt (fextended-identifiers): New.
6715         * c-opts.c (c_common_handle_option): Handle
6716         -fextended-identifiers.
6717         * doc/cpp.texi: Update documentation of extended identifiers.
6718         * doc/cppopts.texi (-fextended-identifiers): Document.
6719
6720 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
6721
6722         PR tree-optimization/23929
6723         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6724         if expr is NULL.
6725
6726         PR tree-optimization/23818
6727         * tree-stdarg.c (execute_optimize_stdarg): Call
6728         calculate_dominance_info.
6729
6730 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6731
6732         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6733         (analyze_siv_subscript_cst_affine): Add weak SIV test.
6734         (compute_overlap_steps_for_affine_1_2): Use
6735         get_number_of_iters_for_loop.
6736         (analyze_subscript_affine_affine): Check whether difference is
6737         zero first.
6738         Use get_number_of_iters_for_loop.
6739         Check whether overlap occurs outside of bounds.
6740         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6741
6742 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
6743
6744         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6745         base register if possible.
6746
6747 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
6748
6749         PR tree-optimization/18463
6750         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6751         converting it directly is not possible.
6752         (chrec_convert_aggressive): New function.
6753         * tree-chrec.h (chrec_convert_aggressive): Declare.
6754         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6755         Fold chrec conversions aggressively if asked to.
6756         (instantiate_parameters): Modified because of changes in
6757         instantiate_parameters_1.
6758
6759 2005-09-19  Richard Henderson  <rth@redhat.com>
6760
6761         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6762         (reduc_splus_v2df): New.
6763
6764 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
6765
6766         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6767         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
6768
6769 2005-09-19  Richard Henderson  <rth@redhat.com>
6770
6771         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6772         vcondu<SSEMODE12>.
6773
6774 2005-09-19  Richard Henderson  <rth@redhat.com>
6775
6776         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6777         (ia64_expand_dot_prod_v8qi): New.
6778         * config/ia64/ia64-protos.h: Update.
6779         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6780         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6781         sdot_prodv8qi, sdot_prodv4hi): New.
6782         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6783
6784 2005-09-19  Richard Henderson  <rth@redhat.com>
6785
6786         PR 23941
6787         * real.c (exact_real_truncate): Return false if the format cannot
6788         represent the number as a normal.
6789
6790         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6791         for a memory source.
6792
6793 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
6794
6795         * tree-ssa-operands.c (swap_tree_operands): Export.
6796         * tree.h (swap_tree_operands): Declare.
6797         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6798         Call swap_tree_operands.
6799
6800 2005-09-19  Richard Henderson  <rth@redhat.com>
6801
6802         * tree-flow.h (merge_alias_info): Declare.
6803         * tree-ssa-copy.c (merge_alias_info): Export.
6804         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6805         (vect_create_data_ref_ptr): Use create_iv directly.
6806         (vectorizable_load): Use correct types for integer constants.
6807         (vect_generate_tmps_on_preheader): Likewise.
6808         (vect_gen_niters_for_prolog_loop): Likewise.
6809
6810 2005-09-19  Steven Bosscher  <stevenb@suse.de>
6811
6812         PR rtl-optimization/23943
6813         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6814
6815 2005-09-18  Jan Hubicka  <jh@suse.cz>
6816
6817         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6818
6819 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
6820
6821         * varasm.c (output_constant): Do not abort on conversions to union
6822         types between different sizes.
6823
6824 2005-09-18  Richard Guenther  <rguenther@suse.de>
6825
6826         PR middle-end/23944
6827         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6828         fallback.
6829
6830 2005-09-18  Paul Brook  <paul@codesourcery.com>
6831
6832         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6833
6834 2005-09-17  Richard Henderson  <rth@redhat.com>
6835
6836         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6837         * tree-ssa-loop.c (pass_vect_dce): Remove.
6838         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6839         of pass_vectorize.
6840
6841 2005-09-17  Richard Henderson  <rth@redhat.com>
6842
6843         * tree-pass.h (pass_vect_dce): Declare.
6844         * passes.c (init_optimization_passes): Add it.
6845         * tree-flow.h (tree_ssa_dce): Declare.
6846         * tree-ssa-dce.c (tree_ssa_dce): Export.
6847         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6848         (gate_tree_vectorize): ... here.
6849         (pass_vect_dce): New.
6850
6851 2005-09-17  Jan Hubicka  <jh@suse.cz>
6852
6853         * except.c (struct eh_status): Turn region_array into vec.
6854         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6855         convert_from_eh_region_ranges, find_exception_handler_labels,
6856         current_function_has_exception_handlers, assign_filter_values,
6857         build_post_landing_pads, dw2_build_landing_pads,
6858         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6859         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6860         foreach_reachable_handler, can_throw_internal_1,
6861         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6862         region_array.
6863         (duplicate_eh_region_1): Update region_array.
6864         (duplicate_eh_regions): Resize region_array and avoid recomputing.
6865
6866 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
6867
6868         PR middle-end/22067
6869         * expmed.c (expand_mult): Substitute simple register for op0 when
6870         computing max_cost.
6871
6872 2005-09-17  Richard Henderson  <rth@redhat.com>
6873
6874         * expr.c (emit_move_via_integer): Add force argument, pass it on
6875         to emit_move_change_mode.  Update callers.
6876         (emit_move_complex): Pass true to new force argument.
6877         * function.c (expand_function_end): Move expand_eh_return call
6878         earlier.  Merge sub-word complex values into a pseudo before
6879         copying to the return hard register.
6880
6881 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
6882
6883         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6884         between different sizes.
6885
6886 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
6887
6888         PR 23903
6889
6890         * passes.c (init_optimization_passes): Register dump files for
6891         IPA passes first.
6892
6893 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6894
6895         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6896         * config/s390/s390.c (s390_overlap_p): New function.
6897         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6898         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6899         condition.
6900
6901 2005-09-16  Richard Guenther  <rguenther@suse.de>
6902
6903         * ipa-pure-const.c (static_execute): Free auxiliar information.
6904         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6905         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6906
6907 2005-09-15  DJ Delorie  <dj@redhat.com>
6908
6909         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6910
6911 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6912
6913         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6914         to order operands.
6915         (swap_commutative_operands_with_target): New.
6916
6917 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
6918
6919         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6920         parameter.
6921         Update callers.
6922         (estimate_iters_using_array): New function.
6923         * tree-data-ref.h (estimate_iters_using_array): Prototype
6924         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6925         Use estimate_iters_using_array instead of analyze_array.
6926
6927 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6928
6929         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6930         as addressable.
6931
6932 2005-09-15  Michael Matz  <matz@suse.de>
6933
6934         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6935
6936 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
6937
6938         PR tree-optimization/23835
6939         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6940         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6941
6942 2005-09-14  Richard Henderson  <rth@redhat.com>
6943
6944         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6945         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6946
6947 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
6948
6949         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6950         in the ARRAY_TYPE case.
6951
6952 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
6953
6954         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6955
6956 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
6957
6958         PR middle-end/22480
6959         * tree-vect-transform.c (vectorizable_operation): Return false for
6960         scalar shift operations and for vector shift operations with
6961         non-invariant shift arguments.  Use scalar tree operand op1 as
6962         a shift operand when vector shift insn pattern uses scalar shift
6963         operand.
6964         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6965
6966 2005-09-14  Olivier Hainque  <hainque@adacore.com>
6967
6968         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6969         value if it has side-effects.
6970
6971 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
6972
6973         PR target/22068
6974         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6975
6976 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
6977
6978         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6979         passed as NAME as if it were label at start of function code.
6980
6981 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
6982
6983         * config/sh/sh.md (*movv4sf_i): Add general register cases to
6984         the constraints.
6985
6986 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
6987
6988         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6989         as early clobber.  Rewrite so the PIC register is not implicitly used.
6990
6991 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6992
6993         * tree.c (annotate_with_file_line): Compare line numbers before
6994         file names.
6995
6996 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
6997
6998         PR target/23816
6999         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
7000         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
7001
7002 2005-09-13  Ian Lance Taylor  <ian@airs.com>
7003
7004         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
7005         than a HOST_WIDEST_INT to gen_doloop_begin.
7006
7007 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
7008
7009         * tree-dfa.c (dump_variable): Guard against NULL annotations.
7010
7011 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
7012
7013         PR tree-optimize/23817
7014         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
7015
7016 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
7017
7018         PR target/23774
7019         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
7020         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
7021         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
7022         (restore_stack_nonlocal): Likewise.
7023         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
7024
7025 2005-09-12  Ian Lance Taylor  <ian@airs.com>
7026
7027         PR g++/7874
7028         * c.opt (ffriend-injection): New C++ option.
7029         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
7030         (C++ Dialect Options): Document -ffriend-injection.
7031
7032 2005-09-12  Josh Conner  <jconner@apple.com>
7033
7034         PR middle-end/23237
7035         * ipa-reference.c (static_execute): Don't mark variables in
7036         named sections TREE_READONLY.
7037
7038 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
7039
7040         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
7041         stack_tie.
7042
7043 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
7044
7045         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
7046         V_MUST_DEF instead of just the first_use_p.
7047         Don't mark the virtual variables for renaming on the statement which
7048         is being removed.
7049         (pass_dse): Remove TODO_update_ssa.
7050
7051 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
7052
7053         PR middle-end/23290
7054         * stor-layout.c (compute_record_mode): For records with a single
7055         field, actually check the field's mode size against the type size.
7056
7057         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
7058         registers for TARGET_SHMEDIA.
7059         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
7060         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
7061         of GENERAL_REGS and FP_REGS.
7062
7063 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
7064
7065         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
7066
7067 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
7068
7069         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
7070         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
7071         are omitted.  Exclude stack_tie insn too.
7072
7073 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
7074
7075         PR rtl-optimization/23098
7076         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
7077         0.0f is easy.
7078         * config/rs6000/rs6000.md (movdf splitter): Use
7079         const_double_operand predicate for TARGET_POWERPC64.
7080         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
7081         SYMBOL_REF method to ABI_V4.
7082
7083         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
7084         replace_equiv_address.
7085         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
7086         rs6000_sr_alias_set and MEM_NOTRAP.
7087         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
7088
7089 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
7090
7091         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
7092         handle CALL_EXPR again.
7093
7094 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7095
7096         * arm/predicates.md (alignable_memory_operand): Delete.
7097
7098 2005-09-10  Richard Henderson  <rth@redhat.com>
7099
7100         PR debug/23806
7101         * dbxout.c (dbxout_expand_expr): New.
7102         (dbxout_symbol): Use it.
7103
7104 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
7105
7106         * arm.c (arm_gen_rotated_half_load): Delete.
7107         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
7108         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
7109         (thumb_set_return_address): Likewise.
7110         (thumb_load_double_from_address): Use adjust_address.
7111         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
7112         (extendhsisi2_mem, movhi_bytes): Use change_address.
7113         (movhi): Use widen_memory_access.
7114         (reload_out_df): Use replace_equiv_address.
7115         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
7116
7117 2005-09-09  Richard Henderson  <rth@redhat.com>
7118
7119         PR debug/20998
7120         * dbxout.c: Include expr.h.
7121         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
7122         (dbxout_symbol): Handle DECL_VALUE_EXPR.
7123         * Makefile.in (dbxout.o): Add EXPR_H.
7124
7125 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
7126
7127         PR tree-optimization/23509
7128         * tree-cfg.c (replace_uses_by): Use replace_exp.
7129         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
7130         pointers have name_mem_tag or type_mem_tag set.
7131
7132 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
7133
7134         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
7135         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
7136         of wrongly accessing operands.
7137
7138 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
7139
7140         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
7141         * tree-chrec.c: Include tree-scalar-evolution.h.
7142         (chrec_convert): Instantiate the base and step before calling
7143         scev_probably_wraps_p that would fail on parametric evolutions.
7144         Collect all the fails into a single section failed_to_convert,
7145         print a diagnostic, and return chrec_dont_know instead of calling
7146         fold_convert.
7147         * tree-scalar-evolution.c (loop_closed_phi_def): New.
7148         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
7149         phi nodes.
7150         (scev_const_prop): Don't replace the definition of a loop closed ssa
7151         phi node by itself, or by another loop closed ssa phi node.
7152         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
7153         that base and step are defined.
7154
7155 2005-09-09  Richard Guenther  <rguenther@suse.de>
7156
7157         PR c++/23624
7158         * fold-const.c (fold_ternary): Check truth_value_p before
7159         calling invert_truthvalue.
7160
7161 2005-09-09  Nick Clifton  <nickc@redhat.com>
7162
7163         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
7164         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
7165         dimension of these arrays.
7166         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
7167         these arrays.
7168         * longlong.h: Only provide a prototype for the __clz_tab[] array
7169         if this header has not been included from libgcc2.h.
7170         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
7171         defining own types.
7172         Provide prototypes for exported functions.
7173         Use the __clz_tab[] and __popcount_tab[] arrays provided by
7174         libgcc2.c.
7175
7176 2005-09-08  Josh Conner  <jconner@apple.com>
7177
7178         PR c++/21135
7179         PR c++/23180
7180         * expr.c (expand_expr_addr_expr_1): Don't invoke
7181         expand_simple_binop for EXPAND_INITIALIZER.
7182
7183 2005-09-08  Richard Henderson  <rth@redhat.com>
7184
7185         PR debug/23190
7186         * toplev.c (wrapup_global_declaration_1): Split out ...
7187         (wrapup_global_declaration_2): ... from ...
7188         (wrapup_global_declarations): ... here.  Return bool.
7189         (check_global_declaration_1): Split out ...
7190         (check_global_declarations): from here.
7191         (emit_debug_global_declarations): New.
7192         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
7193         check_global_declaration_1, emit_debug_global_declarations): Declare.
7194         * c-decl.c (c_write_global_declarations_1): Don't create a vector
7195         of decls.  Call wrapup_global_declaration_1,
7196         wrapup_global_declaration_2, check_global_declaration_1 directly.
7197         (c_write_global_declarations_2): New.
7198         (ext_block): New.
7199         (c_write_global_declarations): Call c_write_global_declarations_2.
7200         * langhooks.c (write_global_declarations): Call
7201         emit_debug_global_declarations.
7202
7203         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
7204         remove decls that have DECL_RTL_SET_P.
7205         * passes.c (rest_of_decl_compilation): Invoke
7206         cgraph_varpool_finalize_decl for all but functions.
7207
7208 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7209
7210         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
7211         the result of a conversion if the new min and max cannot be compared.
7212
7213 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
7214
7215         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
7216         (override_options): Setting s390_sr_alias_set removed.
7217         (save_fpr, save_gprs): Set alias set to vararg or frame.
7218         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
7219         s390_sr_alias_set with get_frame_alias_set ().
7220         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
7221         get_varargs_alias_set ().
7222
7223 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
7224
7225         PR objc/20574
7226         PR objc/19324
7227         * c-parser.c (c_parser_objc_method_definition): If the next
7228         token is not "{", error out and don't start the function.
7229
7230 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
7231
7232         * tree-vrp.c (extract_range_from_expr): Move the check for non
7233         nullness after the check for gimple invariant.
7234
7235 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7236
7237         * tree.c (host_integerp, tree_low_cst): Correct function comment.
7238
7239 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7240
7241         PR target/23747
7242         * config/m32r.md (movmemsi_internal): Canonicalize order of
7243         operands in PLUS component of template.
7244
7245 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
7246
7247         * reload1.c (fixup_eh_region_note): Remove assertion.
7248         (fixup_abnormal_edges): Reverted removal of call to
7249         find_many_sub_basic_blocks made on 2005-08-31.
7250
7251 2005-09-07  Richard Henderson  <rth@redhat.com>
7252
7253         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
7254         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
7255         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
7256         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
7257         rearrange for better packing.
7258         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
7259         (lookup_cfa_1): Remove inline marker.
7260         (cfa_equal_p): Split out of ...
7261         (def_cfa_1): ... here.  Use INVALID_REGNUM.
7262         (build_cfa_loc): Handle !cfa->indirect.
7263         (frame_pointer_cfa_offset): New.
7264         (dbx_reg_number): Assert register elimination performed; do
7265         leaf register remapping.
7266         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
7267         (eliminate_reg_to_offset): New.
7268         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
7269         for verifiably local stack frame addresses; re-base to CFA.
7270         (mem_loc_descriptor): Remove can_use_fbreg argument.
7271         (concat_loc_descriptor, loc_descriptor): Likewise.
7272         (containing_function_has_frame_base): Remove.
7273         (rtl_for_decl_location): Don't do register elimination or
7274         leaf register remapping here.
7275         (secname_for_decl): Split out from ..
7276         (add_location_or_const_value_attribute): ... here.
7277         (convert_cfa_to_loc_list): New.
7278         (compute_frame_pointer_to_cfa_displacement): New.
7279         (gen_subprogram_die): Use them.
7280         * tree.h (frame_base_decl): Remove.
7281         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
7282         (prologue_stack_adjust): Remove.
7283         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
7284         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
7285         (set_frame_base_location): Remove.
7286         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
7287         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
7288         (vt_add_function_parameters): Don't eliminate_regs.
7289         (vt_initialize): Don't create frame_base_decl.
7290
7291 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7292
7293         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
7294         version of GNU binutils for 4.x and later.
7295
7296 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
7297
7298         * ggc-page.c (ggc_push_context): Remove.
7299         (ggc_pop_context): Likewise.
7300         * ggc.h (ggc_push_context): Remove.
7301         (ggc_pop_context): Likewise.
7302
7303 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7304
7305         PR target/8973
7306         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
7307         returning from an interrupt handler.
7308
7309 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7310
7311         PR target/8972
7312         * config/arc/arc.c (output_shift): Add check for loop count when
7313         optimizing.
7314
7315 2005-09-06  Steven Bosscher  <stevenb@suse.de>
7316
7317         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
7318         form manually.
7319         (abs_replacement): Likewise.
7320         (pass_phiopt): Remove TODO_update_ssa.
7321
7322 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
7323
7324         PR c/23075
7325         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
7326         if "return with no value, in function returning non-void" warning
7327         has been issued.
7328         * tree-cfg.c (execute_warn_function_return): Don't look at
7329         RETURN_EXPRs with TREE_NO_WARNING set.
7330
7331         PR target/22362
7332         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
7333         for internal functions doesn't use registers used by global registers
7334         variables.  Use fewer register parameters if there are global register
7335         variables.
7336
7337 2005-09-06  Olivier Hainque  <hainque@adacore.com>
7338             Eric Botcazou  <ebotcazou@adacore.com>
7339
7340         PR middle-end/14997
7341         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
7342         when we would be extracting outside its bit span (bitpos+bitsize
7343         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
7344         Ada unchecked conversions.
7345
7346 2005-09-06  Steven Bosscher  <stevenb@suse.de>
7347
7348         * tree-ssa-pre.c (try_look_through_load): New function.
7349         (compute_avail): Use it to try to look through loads for some
7350         more useful expressions.
7351
7352 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7353
7354         * simplify-rtx.c (simplify_binary_operation_1): Correct the
7355         condition for detecting cases like (a&a) and (a^a).
7356
7357 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
7358
7359         * common.opt: Add option ftree-vect-loop-version.
7360         * params.def: Add --param vect-max-version-checks.
7361         * doc/invoke.texi: Document ftree-vect-loop-version and
7362         --param vect-max-version-checks.
7363         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
7364         may_misalign_stmts and defines for accessors.
7365         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
7366         LOOP_VINFO_MAY_MISALIGN_STMTS.
7367         (destroy_loop_vec_info): VEC_free for
7368         LOOP_VINFO_MAY_MISALIGN_STMTS.
7369         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7370         Update documentation.
7371         (vect_update_misalignment_for_peel): New.
7372         (vect_enhance_data_refs_alignment): Update to choose loop
7373         peeling or loop versioning if appropriate for the (potentially)
7374         unaligned data references in the loop.
7375         (vect_analyze_data_refs_alignment): Remove call to
7376         vect_enhance_data_refs_alignment so the checks can be done
7377         earlier.
7378         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
7379         and move up call to vect_analyze_data_refs_alignment.
7380         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
7381         (vect_transform_loop): Add call to loop_version.
7382
7383 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
7384
7385         PR rtl-optimization/23098
7386         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
7387         * simplify-rtx.c (constant_pool_reference_p): New function.
7388         * rtl.h (constant_pool_reference_p): New prototype.
7389         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
7390         constant_pool_reference_p in condition and
7391         avoid_constant_pool_reference in preparation statements.
7392
7393 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
7394
7395         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
7396         STRICT_LOW_PART SETs.
7397
7398 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
7399
7400         PR middle-end/21460
7401         * except.c (sjlj_emit_function_enter): Find the function begin
7402         note even when it's not in first basic block.
7403
7404 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
7405
7406         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
7407         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
7408         * aclocal.m4: Regenerate.
7409
7410 2005-09-05  DJ Delorie  <dj@redhat.com>
7411
7412         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7413         of macro.
7414
7415 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
7416
7417         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7418         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7419         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7420         Follow spelling conventions.
7421         * doc/invoke.texi: Follow spelling conventions.
7422
7423 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7424
7425         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7426         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7427         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7428
7429 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7430
7431         PR target/23683
7432         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7433         (output_stack_adjust): Use gen_tmp_stack_mem.
7434         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7435         (sh_set_return_address, sh_allocate_initial_value): Likewise.
7436         (sh_get_pr_initial_val): Likewise.
7437         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7438         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
7439         * sh.md (divsi_inv_m0): Use gen_const_mem.
7440         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7441         (movdf_i4+1): Use gen_tmp_stack_mem.
7442         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7443         (fpu_switch+2): Likewise.
7444         (movv4sf_i, movv16sf_i): Use adjust_address.
7445         (symGOT_load): Set MEM_NOTRAP_P bit.
7446
7447 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7448
7449         PR target/23721
7450         * pa.c (emit_move_sequence): Fix typo in last change.
7451
7452 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
7453
7454         PR rtl-optimization/23454
7455         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7456         is true.
7457
7458 2005-09-03  Richard Henderson  <rth@redhat.com>
7459             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7460
7461         PR middle-end/23671
7462         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7463         gen_rtx_MEM.
7464
7465 2005-09-02  Nicolas Pitre <nico@cam.org>
7466
7467         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7468         to bit_count to 32 bits.
7469
7470 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
7471
7472         PR c++/23167
7473         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7474         generating synthetic loads from volatile lvalues.
7475
7476 005-09-02  Nick Clifton  <nickc@redhat.com>
7477
7478         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7479         __ctzhi2, __clzhi2): New functions.
7480
7481 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
7482
7483         PR middle-end/23547
7484         * tree-nested.c (struct var_map_elt): Mark with GTY.
7485         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
7486         var_map_elt.
7487         (lookup_field_for_decl): Allocate new element in GC memory.
7488         (lookup_tramp_for_decl): Likewise.
7489         (convert_nl_goto_reference): Likewise
7490         (create_nesting_tree): Allocate info in GC memory. Likewise for
7491         info->var_map.
7492         (free_nesting_tree): Free with ggc_free instead of free.
7493         (root): New static variable.
7494         (lower_nested_functions): Remove root as local variable.  And zero out
7495         root at the end of the function.
7496
7497 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
7498
7499         PR rtl-optimization/20365
7500         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7501         to short.  New member ix.
7502         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7503         (simplify_plus_minus): Initialize ix members before calling qsort.
7504
7505 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
7506
7507         PR tree-optimization/23626
7508         * tree-cfg.c (replace_uses_by): Clean up eh info.
7509
7510 2005-09-01  DJ Delorie  <dj@redhat.com>
7511
7512         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7513         fprintf.
7514
7515 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
7516
7517         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7518         (rs6000_split_multireg_move): Use replace_equiv_address instead of
7519         gen_rtx_MEM.
7520
7521 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
7522
7523         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
7524         do not issue warning for a variable definition following
7525         a declaration.
7526
7527 2005-09-01  Richard Henderson  <rth@redhat.com>
7528
7529         PR 23668
7530         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7531         conversion to CONST_VECTOR.
7532
7533 2005-09-01  Richard Henderson  <rth@redhat.com>
7534
7535         PR 23676
7536         * reload1.c (reload_as_needed): Check !CALL_P before calling
7537         fixup_eh_region_note.
7538         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7539
7540 2005-09-01  DJ Delorie  <dj@redhat.com>
7541
7542         * varasm.c (output_constant): Let the target resolve
7543         conversions of addresses to non-default pointer sizes.
7544
7545 2005-09-01  Nicolas Pitre <nico@cam.org>
7546
7547         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7548         to alow matching ARM pre-indexed addressing mode.
7549         (arm_override_options): Remove now irrelevant comment.
7550
7551 2005-09-01  Phil Edwards  <phil@codesourcery.com>
7552
7553         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
7554         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
7555         * config/i386/vxworks.h:  Likewise.
7556         * config/i386/t-vxworksae:  New file, for VxWorks AE.
7557         * config/i386/vxworksae.h:  Likewise.
7558
7559 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
7560
7561         PR tree-optimization/23410
7562         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7563         sequence is not wrapping during the first step.
7564
7565 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7566
7567         PR debug/7241
7568         * dwarf2out.c (base_type_die): Compare char_type_node with
7569         TYPE_MAIN_VARIANT (type), not type.
7570
7571 2005-09-01  Richard Guenther  <rguenther@suse.de>
7572
7573         PR tree-optimization/15366
7574         * common.opt: Add -finline-functions-called-once.
7575         Put -fearly-inlining in alphabetically ordered place.
7576         * doc/invoke.texi: Document new option.
7577         * ipa-inline.c (cgraph_decide_inlining): Honour
7578         flag_inline_functions_called_once.
7579
7580 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7581
7582         PR rtl-optimization/23478
7583         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7584         (alloc_qty): Initialize it.
7585         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7586         (combine_regs): Combine also n_throwing_calls_crossed fields.
7587         (find_free_reg): Don't attempt to caller-save pseudos crossing
7588         calls that might throw.
7589         * global.c (struct allocno): Add throwing_calls_crossed field.
7590         (global_alloc): Revert 2005-08-22 change.  Initialize
7591         throwing_calls_crossed.
7592         (find_reg): Don't attempt to caller-save pseudos crossing calls that
7593         might throw.
7594
7595 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
7596
7597         PR target/23649
7598         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7599         (mask64_operand): Reinstate code prior to 2005-06-11 change.
7600         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7601         (and64_2_operand): Tweak to use predicate.
7602         (and_operand): Adjust for mask_operand changes.
7603         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7604         (print_operand): Likewise.
7605         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7606         (mask64_1or2_operand): Delete.
7607         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7608         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7609         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7610         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7611         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7612         (rotldi3_internal4): Likewise.
7613         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7614         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7615         (ashldi3_internal7): Likewise.
7616         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7617         (ashldi3_internal, ashldi3_internal9 split): Likewise.
7618         (anddi3 split): Don't match mask64_operand.
7619         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
7620         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
7621         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
7622         't' splitter predicate.
7623         (movdi_internal64 + 2): Revert 2005-06-11 change.
7624
7625 2005-08-31  DJ Delorie  <dj@redhat.com>
7626
7627         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7628         (m32c_asm_integer): Add support for 32 bit pointers.
7629
7630 2005-08-31  Richard Henderson  <rth@redhat.com>
7631
7632         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7633         component-like references for setting MEM_NOTRAP_P.
7634
7635         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7636         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7637
7638 2005-08-31  Richard Henderson  <rth@redhat.com>
7639
7640         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7641         into a pseudo before applying gen_lowpart.
7642
7643 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
7644
7645         * doc/install.texi (Specific): Update cctools version required
7646         for full functionality.
7647         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7648         linkers as -macosx_version_min.
7649
7650 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
7651
7652         PR target/21255
7653         * sh.c (print_operand, %R and %S): Add handling of floating point
7654         registers, memory, constants and invalid operands.
7655
7656 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
7657
7658         * ipa-pure-const.c: Change dump name.
7659
7660 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7661
7662         PR target/23570
7663         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7664         to "reg_or_0_operand".
7665         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7666
7667 2005-08-31  Dale Johannesen  <dalej@apple.com>
7668
7669         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
7670         loops that count down.
7671
7672 2005-08-31  Richard Henderson  <rth@redhat.com>
7673
7674         PR rtl-opt/23601
7675         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7676         (fixup_eh_region_note): New.
7677         (reload_as_needed): Call it.
7678         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7679         don't call find_many_sub_basic_blocks; call verify_flow_info.
7680         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7681         (keep_stack_depressed): Likewise.
7682         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7683
7684 2005-08-31  Richard Henderson  <rth@redhat.com>
7685
7686         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7687         fp return matching.
7688
7689 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
7690
7691         * expr.c (expand_expr_real_1): Compare size of address
7692         mode to target's address mode size in deciding expansion of
7693         the constant address.
7694
7695 2005-08-31  Richard Guenther  <rguenther@suse.de>
7696
7697         PR middle-end/23477
7698         * expr.c (all_zeros_p): New function.
7699         (expand_expr_real_1): Handle the case of an all-zero
7700         non-addressable constructor separately.
7701
7702 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
7703
7704         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7705         arguments, adjust all callers.
7706         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7707
7708 2005-08-30  Richard Henderson  <rth@redhat.com>
7709
7710         PR target/23630
7711         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7712         whenever the mode sizes match.
7713
7714 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
7715
7716         * calls.c (load_register_parameters): Fix comment typo.
7717         * expr.c (emit_push_insn): Comment formatting.
7718
7719 2005-08-30  Ian Lance Taylor  <ian@airs.com>
7720
7721         * config/i386/x-cygwin (host-cygwin): Change dependency from
7722         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7723
7724 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
7725
7726         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7727         parts of 'vals'.
7728
7729 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
7730
7731         PR middle-end/23408
7732         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7733         call to ggc_collect.
7734
7735 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
7736
7737         PR bootstrap/21268
7738         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7739         beginning.  Remove $(INCLUDES) from all the rules, if following
7740         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7741
7742 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
7743
7744         PR middle-end/23484
7745         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7746         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7747         not constant, but maxlen is, don't set len to maxlen, rather
7748         set maxlen to len if len is a constant.
7749
7750 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
7751
7752         PR tree-optimization/23475
7753         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7754         and counts.
7755
7756 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
7757
7758         Fix PR middle-end/22455
7759
7760         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7761         Checksum only the parts of the tree that exist for the tree code.
7762
7763 2005-08-28  Dale Johannesen  <dalej@apple.com>
7764
7765         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
7766
7767 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
7768
7769         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7770
7771 2005-08-28  Richard Henderson  <rth@redhat.com>
7772
7773         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7774         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7775         of char_type_node.
7776
7777 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
7778
7779         PR ada/23593
7780         * builtins.c (get_memory_rtx): Don't strip nops
7781         in between COMPONENT_REFs.
7782
7783 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
7784
7785         PR middle-end/23463
7786         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7787         types.
7788         (gimplify_modify_expr): Check for zero sized types and gimplify the
7789         rhs and lhs as statements.
7790
7791 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
7792
7793         PR libgcj/23508
7794         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7795         state for return address column of signal frames.
7796
7797 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
7798
7799         PR target/23539
7800         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7801         bytes >= 2 not bytes == 2.
7802         (expand_block_move): Same.
7803
7804 2005-08-27  Richard Guenther  <rguenther@suse.de>
7805
7806         PR target/23575
7807         * config/i386/sse.md (sse2_movsd): Add missing closing
7808         braces.
7809
7810 2005-08-27  Paul Brook  <paul@codesourcery.com>
7811
7812         * genrecog.c (enum decision_type): Add DT_num_insns.
7813         (struct decision_test): Add u.num_insns.
7814         (add_to_sequence): Add DT_num_insns test.
7815         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7816         (write_cond, debug_decision_2): Ditto.
7817         (change_state): Assume peep2_next_insn never fails.
7818         Remove "afterward" argument.
7819         (write afterward, write_tree): Update to match.
7820         * recog.c (peep2_current_count): New variable.
7821         (peep2_next_insn): Check it.
7822         (peephole2_optimize): Set peep2_current_count.
7823         * recog.h (peep2_current_count): Declare.
7824
7825 2005-08-26  Josh Conner  <jconner@apple.com>
7826
7827         PR middle-end/23584
7828         * ipa-pure-const.c (check_tree): Check for volatile-ness
7829         when considering a dereference.
7830
7831 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
7832
7833         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7834
7835 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7836
7837         PR rtl-optimization/23561
7838         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
7839         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7840         at most LEN bytes long memory fits into the field.
7841         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7842         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7843         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7844
7845 2005-08-26  Richard Henderson  <rth@redhat.com>
7846
7847         PR rtl-opt/23560
7848         * loop.c (biased_biv_may_wrap_p): New.
7849         (maybe_eliminate_biv_1): Use it to suppress non-equality
7850         comparison transformations.  Delete disabled code.
7851
7852 2005-08-26  Ian Lance Taylor  <ian@airs.com>
7853
7854         * combine.c (make_extraction): Avoid reference outside object.
7855
7856 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
7857
7858         * stor-layout.c (finalize_type_size): Restore behaviour for
7859         non-aggregate types to the status quo ante of the patch for
7860         pr 23467.  Document why it matters.
7861
7862 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7863
7864         PR c/23506
7865         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7866         array by one element, initialize the BT_LAST element with NULL.
7867
7868 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
7869
7870         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7871         optimizing for size.
7872         (plus_eqsi): Same.
7873         (compare_plus_eqsi): Same.
7874         (plus_eqsi_compare): Same.
7875         (neg_eq0<mode>): Same.
7876         (neg_eq<mode>): Same.
7877
7878         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7879         PROCESSOR_POWER4.
7880
7881 2005-08-26  Nick Clifton  <nickc@redhat.com>
7882
7883         * config/v850/v850.c (ep_memory_operand): Return FALSE if
7884         TARGET_EP is not defined.
7885         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7886         TARGET_EP is enabled.
7887         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7888         * config/v850/v850.md (save_all_interrupt): Only use the EP
7889         register if TARGET_EP is defined.
7890         (restore_all_interrupt): Likewise.
7891         * config/v850/lib1funcs.asm: Update functions so that the EP
7892         register is only used if __EP__ is defined.
7893
7894 2005-08-26  David Ung  <davidu@mips.com>
7895
7896         * config/mips/mips.c (mips_expand_prologue): Handle case when
7897         generating for MIPS16 and the outgoing argument area is more than
7898         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7899         add instruction.
7900
7901 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7902
7903         * config/crx/crx.md: Make doloop_end pattern usage controllable
7904         via mloop-nesting=<max-nesting> command line switch. Make sure
7905         the combiner cannot use doloop_end_<mode> in an illegal way.
7906         * config/crx/crx.c: Use regs up to r6 for argument passing.
7907         Refine crx_address_cost (non cst4 displacements are expensive).
7908         * config/crx/crx.opt: Add switch for mloop-nesting=.
7909
7910 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7911
7912         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7913         (UNSPEC_MVST): New constant.
7914
7915 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7916
7917         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7918         Reject operands containing eliminable registers.
7919         * testsuite/gcc.dg/20050825-1.c: New testcase.
7920
7921 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7922             Jan Hubicka  <jh@suse.cz>
7923
7924         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7925
7926 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7927
7928         PR tree-optimization/23546
7929         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7930         and REAL_CST nodes.
7931
7932 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
7933
7934         * params.def (PARAM_MIN_SPEC_PROB): New.
7935         * sched-rgn.c (MIN_PROBABILITY): Delete.
7936         (compute_trg_info): Convert to PARAM_VALUE.
7937         * doc/invoke.texi (param): Document min-spec-prob.
7938
7939 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
7940
7941         * config/darwin.h: define __PIC__
7942         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7943         TARGET_OS_CPP_BUILTINS macro.
7944
7945 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7946
7947         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7948         yesterday.
7949
7950 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7951
7952         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7953         to duplicate_block.
7954         * cfghooks.c (duplicate_block): Added position where to place
7955         new block as argument.
7956         * cfghooks.h (duplicate_block): Declaration changed.
7957         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
7958         duplicate_block.
7959         * cfglayout.h (copy_bbs): Declaration changed.
7960         * cfgloop.h (loop_version): Declaration changed.
7961         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7962         position to copy_bbs.
7963         (loop_version): Pass position to duplicate_loop_to_header_edge.
7964         Add place_after argument and position new blocks according to
7965         it.
7966         * modulo-sched.c (sms_schedule): Pass place_after argument
7967         to loop_version.
7968         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7969         * tree-cfg.c (split_edge_bb_loc): New function.
7970         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7971         to determine position of new blocks.
7972         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7973         to loop_version.
7974         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7975         argument to duplicate_block.
7976         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7977         Pass position to copy_bbs.
7978
7979 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7980
7981         * fold-const.c (ptr_difference_const): Use
7982         cst_and_fits_in_hwi instead of host_integerp.
7983
7984 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7985
7986         * config/darwin.c (gen_pic_offset): New.
7987         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
7988         Use it.
7989
7990 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
7991
7992         PR tree-optimization/23486
7993         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7994
7995 2005-08-23  Phil Edwards  <phil@codesourcery.com>
7996
7997         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
7998         remove use_collect2.
7999         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
8000
8001         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
8002         configuration files to override the default value.
8003
8004         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
8005         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
8006         * config/vx-common.h:  New file, split out from...
8007         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
8008         * config/vxworksae.h:  New file, for VxWorks AE.
8009         * config/vxworks.opt:  New file.
8010         * config/vxlib.c:  Update for VxWorks 6.
8011
8012         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
8013         other MULTILIB_* variables appropriately.
8014         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
8015         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
8016         * config/rs6000/vxworks.h:  Update for VxWorks 6.
8017         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
8018
8019 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
8020
8021         PR target/20799
8022         * config/darwin.c (machopic_select_section): Remove the hack to
8023         mark "::operator new" and "::operator delete" for coalescing
8024         even though they are not weak.
8025
8026 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
8027
8028         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
8029         * configure: Regenerate.
8030
8031 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
8032
8033         PR middle-end/23517
8034         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
8035         between vectors.
8036         * convert.c (convert_to_integer, convert_to_vector): Likewise.
8037         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
8038         Likewise.
8039
8040 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
8041
8042         * config/rs6000/predicates.md (equality_operator): New.
8043         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
8044         comparison with a large constant.
8045
8046 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
8047
8048         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
8049
8050 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
8051
8052         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
8053         registers is even, and we have a hardware double precision fp,
8054         align the buffer.
8055         (sh_gimplify_va_arg_expr): For floating point arguments, consider
8056         size of current argument when checking if argument was passed in
8057         registers.
8058
8059         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
8060
8061         PR middle-end/23467
8062         * stor-layout.c (finalize_type_size): Dont override
8063         existing alignment with a smaller alignment from the mode.
8064
8065 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
8066
8067         * lambda-code.c (lambda_vector_lexico_pos): Moved...
8068         * lambda.h (lambda_vector_lexico_pos): ... here.
8069         * tree-data-ref.c (build_classic_dist_vector): Return false when
8070         the distance vector is lexicographically negative.
8071
8072 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
8073
8074         PR tree-optimization/23511
8075         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
8076         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
8077
8078 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
8079
8080         PR tree-optimization/22043
8081         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
8082         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
8083         If ALLOW_FLEXARR, handle types ending with flexible array member.
8084         Pass false as second argument to recursive count_type_elements calls.
8085         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
8086         argument to count_type_elements call.
8087         * tree-sra.c (decide_block_copy): Likewise.
8088         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
8089         for a constant-sized object, set cleared as well.  Pass true as
8090         second argument to count_type_elements call.
8091
8092 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
8093
8094         PR target/21571
8095         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
8096         from legitimate_small_data_p, and make global.  Update use.
8097         Remove forward declaration.
8098         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
8099         Declare.
8100         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
8101
8102 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
8103
8104         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
8105         of scratch intermediates.
8106         (eq<mode>_compare): Same.
8107         (neg_eq0<mode>): New.
8108         (neg_eq<mode>): Convert to define_insn_and_split.
8109
8110 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
8111
8112         PR target/23070
8113         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
8114         stdarg functions, set/clear the fp marker even when no variable
8115         args are passed.
8116         * config/rs6000/sysv4.opt (mprototype): Describe.
8117
8118 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
8119
8120         PR rtl-optimization/23478
8121         * regs.h (reg_info): Add throw_calls_crossed.
8122         (REG_N_THROWING_CALLS_CROSSED): Define.
8123         * flow.c (allocate_reg_life_data): Initialize
8124         REG_N_THROWING_CALLS_CROSSED.
8125         (propagate_one_insn, attempt_auto_inc): Update
8126         REG_N_THROWING_CALLS_CROSSED.
8127         * global.c (global_alloc): Don't allocate pseudos across
8128         calls that may throw.
8129
8130 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
8131
8132         PR c/18715
8133         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
8134         value is inbetween the range if we did not find an exact match.
8135
8136 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
8137
8138         * doc/invoke.texi (Option Summary): Add ms1 options.
8139         * doc/extend.texi: Document interrupt handler attribute for ms1.
8140         * doc/md.texi: Document ms1 constraints.
8141         * config.gcc: Add ms1-*-elf.
8142         * config/ms1/ms1.h: New.
8143         * config/ms1/ms1.c: New.
8144         * config/ms1/ms1.md: New.
8145         * config/ms1/ms1-protos.h: New.
8146         * config/ms1/ABI.txt: New.
8147         * config/ms1/crti.asm: New.
8148         * config/ms1/crtn.asm: New.
8149         * config/ms1/lib2extra-funcs.c: New.
8150         * config/ms1/t-ms1: New.
8151         * config/ms1/ms1.opt: New.
8152
8153 2005-08-22 Ira Rosen <irar@il.ibm.com>
8154
8155         * config/rs6000/altivec.md (xorv4sf3): New.
8156         (negv4sf2, neg<mode>2): Likewise.
8157
8158 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
8159
8160         PR target/23485
8161         * config/ia64/ia64.md (divsi3): Check divide by zero.
8162         (udivsi3): Likewise.
8163         (divdi3): Likewise.
8164         (udivdi3): Likewise.
8165
8166 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
8167
8168         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
8169         up to elem_bitsize bits, not max_bitsize.
8170
8171 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
8172
8173         PR tree-optimization/23433
8174         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
8175         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
8176
8177 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
8178
8179         PR tree-optimization/23434
8180         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
8181         the iteration bound is not an INTEGER_CST.
8182
8183 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
8184
8185         * tree-vect-transform.c (get_initial_def_for_reduction): Set
8186         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
8187         NULL if need_epilog_adjust is false.
8188         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
8189         Case 3 always peels first itration, not just for PLUS case, and no need
8190         to use scalar_initial_def here. Create an epilog adjustment only if
8191         scalar_initial_def is not NULL.
8192
8193         (vectorizable_reduction): Remove assert.
8194
8195 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
8196
8197         PR target/23485
8198         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
8199         (__moddi3): Likewise.
8200         (__udivdi3): Likewise.
8201         (__umoddi3): Likewise.
8202         (__divsi3): Likewise.
8203         (__modsi3): Likewise.
8204         (__udivsi3): Likewise.
8205         (__umodsi3): Likewise.
8206
8207 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
8208
8209         * tree-pass.h (TDF_GRAPH): Define.
8210         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
8211         * passes.c (finish_optimization_passes): Only call
8212         finish_graph_dump_file if TDF_GRAPH is set.
8213         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
8214         NULL.  Set TDF_GRAPH bit.
8215         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
8216
8217 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
8218
8219         * arm.h (arm_stack_offsets): Add locals_base field.
8220         * arm.c (arm_get_frame_offsets): Compute it.
8221         (thumb_compute_initial_elimination offset): Make the Thumb frame
8222         pointer point to the base of the local variables.
8223         (thumb_expand_prologue): Update accordingly.
8224         (thumb_expand_epilogue): Likewise.
8225
8226         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
8227         mode of clobbered scratch to DImode.  Handle a case that's known to
8228         need this.
8229
8230 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
8231
8232         * config/rs6000/rs6000.md (gt0<mode>): Delete.
8233         (gt0<mode>_compare): Delete.
8234         (neg_gt0<mode>): Delete.
8235
8236 2005-08-19  Eric Christopher  <echristo@apple.com>
8237
8238         * optabs.h: Change CTI_ to COI_.
8239         * optabs.c: Ditto.
8240
8241 2005-08-19  James E Wilson  <wilson@specifix.com>
8242
8243         * builtins.c (expand_builtin_return_addr): Set
8244         current_function_accesses_prior_frames when count != 0.  Use
8245         frame_pointer_rtx when count == 0.
8246         * function.h (struct function): Add accesses_prior_frames field.
8247         (current_function_accesses_prior_frames): Define.
8248         * reload1.c (init_elim_table): Check
8249         current_function_accesses_prior_frames.
8250         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
8251
8252 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
8253
8254         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
8255         indicator.  Return true if the flowgraph changed during
8256         cleanup.
8257
8258 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
8259
8260         PR 23476
8261         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
8262         conditional expression before testing its value.
8263
8264 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
8265
8266         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
8267
8268 2005-08-19  Devang Patel  <dpatel@apple.com>
8269
8270         PR tree-optimization/23048
8271         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
8272         third parameter. Check whether latch is dominated by exit
8273         block or not.
8274         (if_convertible_loop_p): Supply exit block itself to
8275         if_convertible_bb_p.
8276
8277 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
8278
8279         PR target/23473
8280         * arm.md (arm_load_pic_register): Change argument to the mask of
8281         saved registers.  Call thumb_find_work_register if we need a
8282         scratch register on Thumb.
8283         (arm_expand_prologue): Pass empty register set to
8284         arm_load_pic_register.
8285         (thumb_expand_prologue): Pass live_regs_mask directly to
8286         arm_load_pic_register.
8287         * arm-protos.h (arm_load_pic_register): Update prototype.
8288
8289 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
8290
8291         * sh.c (find_sole_member): New function.
8292         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
8293         if the record's alignment is larger than the size of its only member.
8294
8295 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
8296
8297         PR target/23436
8298         * arm.c (thumb_legitimize_reload_address): New function.
8299         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
8300         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
8301
8302 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
8303
8304         * config/crx/crx.c: Implement crx_decompose_address. Reject
8305         symbolic displacements since CRX register relative adressing
8306         mode can't handle unsigned 32-bit values as displacements.
8307         * config/crx/crx.h: Simplify definitions, remove redundant
8308         parenthesis and obsolete macros.
8309         * config/crx/crx.opt: Add new switch for debugging addresses.
8310         * config/crx/crx-protos.h: Add new declarations for above.
8311
8312 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
8313
8314         PR middle-end/20624
8315         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
8316         looking past it.
8317
8318 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8319
8320         * collect2.c (dup2): Delete.
8321         * configure.ac: Don't check for dup2.
8322
8323         * config.in, configure: Regenerate.
8324
8325 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
8326
8327         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
8328         record with the type of its only member.
8329
8330 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
8331
8332         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
8333         define_insn_and_split.
8334         (plus_ltu<mode>_compare): Same.
8335         (gtu<mode>_compare): Same.
8336         (plus_gtu<mode>_compare): Same.
8337
8338 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
8339
8340         PR tree-optimization/22228
8341         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
8342         todo_flags_start.
8343         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
8344         are recorded in vect_vnames_to_rename for renaming.
8345         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
8346         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
8347         in vect_vnames_to_rename.
8348         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
8349         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
8350
8351 2005-08-18  Jan Hubicka  <jh@suse.cz>
8352
8353         PR c++/22034
8354         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
8355         info only for local statics, not for member variables.
8356
8357 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8358
8359         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
8360
8361 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8362
8363         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
8364
8365 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
8366
8367         PR middle-end/16045
8368         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
8369
8370 2005-08-17  James E Wilson  <wilson@specifix.com>
8371
8372         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8373         array size check.
8374
8375 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
8376
8377         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
8378         (leu<mode>_compare): Same.
8379         (plus_leu<mode>): Same.
8380         (neg_leu<mode>): Same.
8381         (and_neg_leu<mode): Same.
8382         (ltu<mode>_compare): Same.
8383         (plus_ltu<mode>): Same.
8384         (geu<mode>): Same.
8385         (geu<mode>_compare): Same.
8386         (plus_geu<mode>): Same.
8387         (neg_geu<mode>): Same.
8388         (and_neg_geu<mode>): Same.
8389         (plus_gt<mode>): Same.
8390         (gtu<mode>_compare): Same.
8391         (plus_gtu<mode>): Same.
8392
8393 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
8394
8395         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
8396         Move call_table_data to end.  Delete spurious .text.
8397         (callt_save_all_interrupt): Fix comment typo.
8398
8399 2005-08-17  James E Wilson  <wilson@specifix.com>
8400             Kevin Winchester  <winchester@amirix.com>
8401
8402         PR target/21684
8403         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
8404
8405 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
8406
8407         PR target/23268
8408         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
8409         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
8410
8411 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
8412
8413         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
8414         record with the type of its only member if the modes don't match.
8415
8416         * varasm.c (decode_reg_name): Skip empty additional register names.
8417
8418 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
8419
8420         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8421         lsm_tmp_name_length): New.
8422         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8423         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8424
8425 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8426             Andreas Krebbel  <krebbel1@de.ibm.com>
8427
8428         * config.gcc: Added z9-109 switch.
8429         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8430         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8431         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8432         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8433         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8434         for "z9_109" cpu attribute.
8435         * config/s390/s390.c (z9_109_cost): New processor cost structure.
8436         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8437         (s390_handle_arch_option): Added z9-109 switch.
8438         (override_options): Set respective cost function for z9-109.
8439         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8440         (legitimate_reload_constant_p): Accept extended immediates.
8441         (print_operand): Three new output modifiers added: k, m and o.
8442         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8443         (s390_output_mi_thunk): Use extended immediate when possible.
8444         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8445         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8446         (CONSTRAINT_LEN): Added length of O constraint.
8447         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8448         * config/s390/s390.md ("cpu"): New value z9_109 added.
8449         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8450         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8451         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8452         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8453         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8454         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8455         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8456         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8457         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8458         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8459         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8460         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8461         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8462         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8463         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8464         immediates.
8465         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8466         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8467         insns for TARGET_EXTIMM.
8468
8469 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
8470
8471         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8472
8473 2005-08-17  Nick Clifton  <nickc@redhat.com>
8474
8475         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8476         Call default_encode_section_info.
8477
8478 2005-08-17  Steven Bosscher  <stevenb@suse.de>
8479
8480         PR tree-optimization/21574
8481         * tree-ssa-ccp.c (likely_value): If the right hand side is a
8482         constant, return CONSTANT.
8483         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8484         (ccp_fold, visit_assignment): Likewise.
8485         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8486
8487 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8488
8489         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8490         fold_buildN instead of buildN then fold_initializer or fold.
8491         (build_unary_op): Likewise.
8492         (build_binary_op): Likewise.
8493         * fold-const.c (fold_initializer): Remove.
8494         (fold_build1_initializer): New function.
8495         (fold_build2_initializer): New function.
8496         (fold_build3_initializer): New function.
8497         * tree.h (fold_initializer): Remove.
8498         (fold_build1_initializer): New function.
8499         (fold_build2_initializer): New function.
8500         (fold_build3_initializer): New function.
8501
8502 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8503
8504         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8505         (try_move_mult_to_index): Call fold_build2 instead of build2.
8506         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8507         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8508         fold_binary_to_constant.
8509         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8510         fold (build.
8511         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8512         check if A == gcd (A, B).  Remove TYPE argument.
8513         (analyze_offset) Use fold_build2 instead of fold (build.
8514         (create_data_ref): Likewise.
8515         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8516         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8517         then fold.
8518
8519 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
8520
8521         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8522         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8523
8524 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
8525
8526         PR tree-opt/23402
8527         * gimplify.c (zero_sized_type): New function.
8528         (gimplify_modify_expr_rhs): If we have a zero sized type,
8529         replace the statement with an empty statement.
8530
8531 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
8532
8533         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8534         fxsave.
8535
8536 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8537
8538         * doc/tm.texi (Label Output): Correct typo.
8539
8540 2005-08-16  Steven Bosscher  <stevenb@suse.de>
8541
8542         PR target/23376
8543         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8544         force_operand will work later on using have_insn_for.
8545
8546 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8547
8548         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8549
8550 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8551
8552         PR c++/23337
8553         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8554         vector type, don't try to construct it element by element.  Add an
8555         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8556
8557 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8558
8559         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8560
8561 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
8562
8563         * doc/invoke.texi (Precompiled Headers): Document some more options
8564         which are known to be safe.
8565
8566 2005-08-16  James E Wilson  <wilson@specifix.com>
8567
8568         PR tree-optimization/21105
8569         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8570         TREE_OVERFLOW check.
8571
8572 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
8573
8574         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8575         (neg_ltu<mode>): Same.
8576         (gtu<mode>): Same.
8577         (neg_gtu<mode>): Same.
8578
8579 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8580
8581         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8582         (fold_builtin_isdigit): Use fold_buildN.
8583         (build_function_call_expr): Likewise.
8584         * c-typeck.c (c_finish_loop): Likewise.
8585
8586 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
8587             Richard Shann <rshann@superh.com>
8588
8589         PR middle-end/20396:
8590         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8591
8592 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
8593
8594         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8595
8596 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
8597
8598         PR target/23355
8599         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8600         arm_compure_save_reg0_reg12_mask to determine when the PIC register
8601         must be saved.
8602
8603 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8604
8605         PR middle-end/23369
8606         * fold-const.c (build_range_check): Disable optimization for function
8607         pointer expressions on targets that require function pointer
8608         canonicalization.
8609
8610 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
8611
8612         * simplify-rtx.c (simplify_const_relational_operation): When
8613         extracting arguments of a COMPARE, recompute the mode as well.
8614
8615 2005-08-15  Ian Lance Taylor  <ian@airs.com>
8616
8617         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8618
8619 2005-08-15  DJ Delorie  <dj@redhat.com>
8620
8621         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8622         the stack.
8623         (movsi_splittable): Allow, but split, moves to the stack.
8624         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8625         stack.
8626
8627 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8628
8629         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8630         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8631         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8632
8633         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8634         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8635         Delete HOST_PTR_PRINTF.
8636
8637         * configure, config.in: Regenerate.
8638
8639 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
8640
8641         * config/rs6000/rs6000.md (QHSI): New mode macro.
8642         (wd): Extend mode attr for QImode and HImode
8643         (dbits): New mode attr.
8644         (zero_extend<mode>di2): Convert to mode macro.
8645
8646 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
8647
8648         PR target/21841
8649         * doc/invoke.texi (-mgnu-ld): Update description.
8650         (-mhp-ld): Ditto.
8651
8652 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8653
8654         PR 23391
8655         * Makefile.in (tree-chrec.o): Depends on real.h.
8656         * tree-chrec.c: Include real.h.
8657         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8658         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8659         * tree-scalar-evolution.c (add_to_evolution_1,
8660         interpret_rhs_modify_expr): Ditto.
8661
8662 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8663
8664         PR 23386
8665         * tree-data-ref.c (estimate_niter_from_size_of_data): When
8666         step is negative compute the estimation from init downwards to zero.
8667
8668 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
8669
8670         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8671
8672 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8673
8674         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8675         constraint.
8676         (legitimate_reload_constant_p): Fix handling of lliXX operands.
8677         Accept double-word constants that can be split.
8678         * config/s390/s390.md ("movti"): Use 'P' constraint.
8679         ("*movdi_31", "*movdf_31"): Likewise.
8680
8681 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
8682
8683         Fix PR tree-optimization/22615
8684
8685         * tree-ssa-structalias.c (solution_set_add): Handle
8686         first_vi_for_offset returning NULL.
8687         (do_da_constraint): Ditto.
8688         (do_sd_constraint): Ditto.
8689         (do_ds_constraint): Ditto
8690         (find_func_aliases): Ditto.
8691         (build_constraint_graph): RHS is allowed be ANYTHING.
8692         (first_vi_for_offset): Return NULL if we couldn't find anything at
8693         the offset.
8694
8695 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8696
8697         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8698         over memory as first operand.
8699
8700 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
8701
8702         PR target/23360
8703         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8704         available for setting it.
8705
8706 2005-08-14  Ira Rosen  <irar@il.ibm.com>
8707
8708         PR tree-optimization/23320
8709         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8710         data-refs' types instead of base object nullness. Add check for
8711         pointer type data-refs before first location comparison. Remove
8712         assert.
8713
8714 2005-08-14  Andreas Schwab  <schwab@suse.de>
8715
8716         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8717
8718 2005-08-13  James E Wilson  <wilson@specifix.com>
8719
8720         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8721         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8722         -fstack-protector-all, --param ssp-buffer-size): Document.
8723         (-Wvariadic-macros): Alphabetize.
8724         (-fsched-stalled-insns-dep): Add missing 'f'.
8725
8726         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8727         macros.
8728
8729 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
8730
8731         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8732         or indirect address operand.
8733         (EXTRA_ADDRESS_CONSTRAINT): New.
8734         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8735
8736 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
8737
8738         PR tree-optimization/22236
8739         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8740         successors and predecessors.
8741         * tree-chrec.c (chrec_convert): Before converting, check that
8742         sequences don't wrap.
8743         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8744         (analyze_array): Extern.
8745         (find_data_references_in_loop): Remove call to
8746         compute_estimated_nb_iterations.
8747         * tree-data-ref.h (analyze_array): Declared.
8748         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8749         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8750         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8751         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8752         condition.
8753         * tree-ssa-loop-ivcanon.c: Fix documentation.
8754         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8755         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8756         (infer_loop_bounds_from_undefined): New.
8757         (estimate_numbers_of_iterations_loop): Use
8758         infer_loop_bounds_from_undefined.
8759         (used_in_pointer_arithmetic_p): New.
8760         (scev_probably_wraps_p): Pass an extra parameter.  Call
8761         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
8762         (convert_step): Fix documentation.
8763         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8764         Use initial_condition_in_loop_num and evolution_part_in_loop_num
8765         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
8766         scev_probably_wraps_p.
8767
8768 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
8769
8770         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8771         (s390_register_info): Ignore clobbered_regs information for fixed
8772         registers, and only fixed registers.
8773         (s390_init_frame_layout): Remove redundant call.
8774
8775 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
8776
8777         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8778         description of -Wold-style-casts.
8779
8780 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8781             Jakub Jelinek  <jakub@redhat.com>
8782
8783         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8784         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8785         * config/s390/s390.c (print_operand): New output modifier 'G' added.
8786         (get_thread_pointer): Renamed to s390_get_thread_pointer.
8787         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8788         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8789         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8790         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8791         ("stack_protect_set", "stack_protect_test"): New expanders.
8792         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8793         "stack_protect_testdi"): New insn definitions.
8794
8795 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8796
8797         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8798
8799 2005-08-12  Paul Brook  <paul@codesourcery.com>
8800
8801         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8802
8803 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8804
8805         * config/s390/predicates.md (setmem_operand): New predicate.
8806         (shift_count_operand): Accept ANDs with special constants as
8807         operand.
8808         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8809         with special constants.
8810         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8811         shift_count_operand with setmem_operand.
8812
8813 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8814
8815         * config/s390/s390.c (s390_extract_part, s390_single_part):
8816         Type cast added.
8817         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8818         (s390_output_mi_thunk): Don't use lg on 31 bit.
8819         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8820         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8821
8822 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8823
8824         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8825         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8826         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8827         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8828         with one of the new macros.
8829
8830 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8831
8832         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8833         Don't set save_return_addr_p.
8834         (s390_register_info): Make clobbered_regs not depending on
8835         save_return_addr_p.
8836
8837 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
8838
8839         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8840         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8841
8842 2005-08-11  James E. Wilson  <wilson@specifix.com>
8843
8844         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8845
8846 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
8847
8848         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8849         locations gathered by var-tracking in single entry loc_list
8850         over loc_descriptor_from_tree.
8851
8852         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8853         pass it down to loc_descriptor.
8854         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8855         (containing_function_has_frame_base): Move earlier in the file.
8856         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8857         instead of always assuming fbreg can't be used.
8858
8859 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
8860
8861         * config/rs6000/altivec.md: Change constraint "m" to "Z".
8862         * config/rs6000/predicates.md (indexed_or_indirect_operand):
8863         Accept address wrapped in AND for Altivec.
8864         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8865         Strip AND wrapping offset address for Altivec.
8866
8867 2005-08-11  Richard Henderson  <rth@redhat.com>
8868
8869         PR middle-end/23312
8870         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8871         before using TYPE_IS_SIZETYPE.
8872
8873 2005-08-11  Richard Henderson  <rth@redhat.com>
8874
8875         PR target/22225
8876         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8877         insn types not present on ev4.
8878         (alphaev5_insn_pipe): Similarly.
8879
8880 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
8881
8882         PR target/23250
8883         * arm.c (arm_override_options): If the user has selected callee-super-
8884         interworking, then enable normal interworking.
8885
8886 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8887
8888         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8889         redefinition.
8890
8891 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8892
8893         * doc/rtl.texi: Fix two typos.
8894
8895 2005-08-11  Richard Guenther  <rguenther@suse.de>
8896
8897         PR target/23289
8898         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8899         cases where we call to/from functions returning void.
8900
8901 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8902
8903         PR c++/23225
8904         * tree.c (build_pointer_type_for_mode): Robustify.
8905
8906 2005-08-10  James E Wilson  <wilson@specifix.com>
8907
8908         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8909         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8910
8911         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8912         "cum->".
8913
8914 2005-08-10  Eric Christopher  <echristo@apple.com>
8915
8916         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8917         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8918         V2DFmode.
8919
8920 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
8921
8922         PR target/21887
8923         * config/darwin.c (machopic_indirect_data_reference): Use a new register
8924         for the high part when generating dynamic-no-pic code.
8925
8926 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8927
8928         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8929         (x86_64-*-linux*): Likewise.
8930
8931         * config/i386/crtfastmath.c: New file.
8932         * config/i386/t-crtfm: Likewise.
8933
8934         * config/i386/linux.h (ENDFILE_SPEC): New.
8935         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8936
8937         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8938         crtfastmath.o.
8939
8940 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
8941
8942         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8943         (vec_shl, vec_shr): Document new operations.
8944         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8945
8946 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
8947
8948         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8949         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8950         change predicate to indexed_or_indirect_address.
8951
8952 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
8953
8954         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8955         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8956         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8957         and __aeabi_uwrite8.
8958         * config/arm/unaligned-funcs.c: New file.
8959         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8960
8961 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
8962
8963         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8964         Add dump.
8965         * cfglayout.c (pass_insn_locators_initialize): Add dump.
8966         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8967         Add dump.
8968         * except.c (pass_convert_to_eh_region_ranges): Add dump.
8969         * final.c (pass_shorten_branches): Add dump.
8970         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8971         (pass_life): Rename dump.
8972         (rest_of_handle_flow2): Remove initial verify_flow_info.
8973         * function.c (pass_instantiate_virtual_regs): Add dump.
8974         * integrate.c (pass_initial_value_sets): Add dump.
8975         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8976         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8977         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8978         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8979         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8980         gate_rtl_unrool_and_peel_loops): New.
8981         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8982         rtl_doloop): Do not look at flags.
8983         * mode-switching.c (pass_mode_switching): Add dump.
8984         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8985         pass_split_before_regstack): Add dump.
8986         * regmove.c (pass_stack_adjustments): Add dump.
8987         * tree-optimize.c (pass_fixup_cfg): Add dump.
8988
8989 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8990
8991         PR 23309
8992         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8993         deciding which instruction sequence to use.
8994
8995 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
8996
8997         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8998         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8999
9000 2005-08-09  Richard Guenther  <rguenther@suse.de>
9001
9002         * c-common.c (builtin_function_2): Remove.
9003         (def_builtin_1): New function.
9004         (c_common_nodes_and_builtins): Use def_builtin_1 to
9005         build builtin functions.
9006
9007 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
9008
9009         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
9010         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
9011         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
9012         Visual DSP.
9013
9014 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
9015
9016         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
9017         fold_binary instead of fold_build2 since we don't care about the
9018         resulting tree.
9019         (loop_niter_by_eval): Likewise.
9020         (compare_trees): Likewise.
9021         (proved_non_wrapping_p): Likewise.
9022
9023 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
9024
9025         PR c/23161
9026         PR c/23165
9027         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
9028         if the if is really empty.
9029
9030 2005-08-09  Steven Bosscher  <stevenb@suse.de>
9031
9032         PR tree-optimization/23234
9033         * tree-ssa-math-opts.c (place_reciprocal): New enum.
9034         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
9035         argument of the new enum.
9036         (execute_cse_reciprocals): Add reciprocals for function arguments
9037         on the unique successor edge of the entry block.  Update other calls
9038         to execute_cse_reciprocals_1.
9039
9040 2005-08-08  Richard Henderson  <rth@redhat.com>
9041
9042         PR 22439
9043         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
9044
9045 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
9046
9047         * expr.c (write_complex_part): Return after handling MEM.
9048
9049 2005-08-08  Josh Conner  <jconner@apple.com>
9050
9051         PR rtl-optimization/23241
9052         * combine.c (simplify_comparison): Fix error in determining
9053         whether to lift a subreg from comparison.
9054
9055 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
9056
9057         PR target/18506
9058         * config/rs6000/altivec.md (vec_init<mode>): New.
9059         (vec_set<mode>): New.
9060         (vec_extract<mode>): New.
9061         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
9062         (rs6000_expand_vector_set): New.
9063         (rs6000_expand_vector_extract): New.
9064         (rs6000_legitimate_offset_address_p): Offset addresses are valid
9065         for Altivec modes before reload.
9066         (altivec_expand_vec_init_builtin): New.
9067         (get_element_number): New.
9068         (altivec_expand_vec_set_builtin): New.
9069         (altivec_expand_vec_ext_builtin): New.
9070         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
9071         builtins.
9072         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
9073         builtins.
9074         * config/rs6000/rs6000.h (rs6000_builtins): Add
9075         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
9076         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
9077         * config/rs6000/rs6000-protos.h: Declare new functions.
9078
9079 2005-08-08  Jan Hubicka  <jh@suse.cz>
9080
9081         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
9082         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
9083         * i386.md (movdi*): Use pic_32bit_operand.
9084         * predicates.md (pic_32bit_operand): New.
9085
9086 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
9087
9088         PR c++/21166
9089         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
9090
9091 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
9092
9093         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
9094         (test_for_singularity): Use fold_build2.
9095
9096 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9097
9098         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
9099
9100 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
9101
9102         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9103         (COMMON_ASM_OP) Define.
9104         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
9105         (ix86_encode_section_info): Likewise.
9106         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
9107         SUBTARGET_ENCODE_SECTION_INFO.
9108
9109 2005-08-06  Richard Henderson  <rth@redhat.com>
9110
9111         PR 21894
9112         * tree-nested.c (convert_local_reference): Save and restore val_only
9113         around component_ref and friends.  Clear walk_subtrees by default.
9114
9115 2005-08-06  Peter O'Gorman  <peter@pogma.com>
9116
9117         PR 21366
9118         * gcc.c (process_command): Check the argument to -b has a dash.
9119         * doc/invoke.texi: Update -b and -V docs.
9120
9121 2005-08-06  James E Wilson  <wilson@specifix.com>
9122
9123         * config/mips/cross64.h, config/mips/t-cross64: Delete.
9124
9125 2005-08-06  Michael Matz  <matz@suse.de>
9126
9127         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
9128         member only if only one insn is associated with the value.
9129
9130 2005-08-06  Nick Clifton  <nickc@redhat.com>
9131
9132         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
9133         New define.
9134         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
9135         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
9136         Check symbol flags instead of symbol name mangling.
9137         (xstormy16_asm_output_aligned_common): Likewise.  Also
9138         simplify code since the bss100_section cass is the only case
9139         where the below100 code will be triggered.
9140         (xstormy16_encode_section_info): Encode below100 attribute
9141         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
9142         the name.
9143         (xstormy16_strip_name_encoding): Delete - this function is no
9144         longer needed.
9145         (TARGET_STRIP_NAME_ENCODING): Undefine.
9146         * config/stormy16/stormy16-protos.h: Delete prototype for
9147         xstormy16_strip_name_encoding.
9148
9149 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
9150
9151         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
9152         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
9153         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
9154         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
9155         config/alpha/predicates.md, config/arc/arc.h,
9156         config/arm/arm.h, config/arm/ieee754-df.S,
9157         config/arm/ieee754-sf.S, config/bfin/bfin.c,
9158         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
9159         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
9160         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
9161         config/m68hc11/m68hc11.h, config/mips/mips.c,
9162         config/mips/mips.h, config/mips/openbsd.h,
9163         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
9164         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
9165         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
9166         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
9167         config/sparc/linux.h, config/sparc/linux64.h,
9168         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
9169         doc/extend.texi, doc/gcov.texi, doc/install.texi,
9170         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
9171         typos.  Follow spelling conventions.
9172
9173 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
9174
9175         PR c/23113
9176         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
9177         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
9178         specially.  Check for side effects only for COND_EXPR.
9179         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
9180         return with TREE_NO_WARNING.
9181
9182 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
9183
9184         PR rtl-optimization/23233
9185         * loop.c (combine_movables): Require the modes to be the same.
9186         (move_movables): Remove handling of cases where the replacement
9187         had a different mode to the original.
9188
9189 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
9190
9191         PR tree-optimization/23128
9192         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
9193         subtraction wrap, and set TREE_OVERFLOW if they do.
9194
9195 2005-08-05  Richard Henderson  <rth@redhat.com>
9196
9197         PR 21728
9198         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
9199         FORCED_LABEL labels.
9200
9201 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
9202
9203         PR middle-end/23135
9204         * reload.c (find_reloads_subreg_address): Pass down TYPE
9205         unchanged.  Change all callers except find_reloads_toplev.
9206
9207 2005-08-05  Michael Matz  <matz@suse.de>
9208
9209         * genattrtab.c (current_alternative_string): Remove.
9210         (SIMPLIFY_ALTERNATIVE): Ditto.
9211         (attr_alt_bit_p): Ditto.
9212         (alternative_name): Make const char *.
9213         (evaluate_eq_attr): Remove use of above things.
9214         (simplify_test_exp): Ditto.
9215         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
9216         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
9217
9218 2005-08-04  James E Wilson  <wilson@specifix.com>
9219
9220         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
9221         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
9222         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
9223         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
9224         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
9225
9226 2005-08-04  Richard Henderson  <rth@redhat.com>
9227
9228         PR 21529
9229         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
9230         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
9231         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
9232         if we'd have to instantiate too many members.
9233
9234 2005-08-04  Richard Henderson  <rth@redhat.com>
9235
9236         PR 21291
9237         * tree-outof-ssa.c (coalesce_asm_operands): New.
9238         (coalesce_ssa_name): Use it.  Split out ...
9239         (coalesce_phi_operands, coalesce_result_decls): ... these.
9240
9241 2005-08-04  Paul Brook  <paul@codesourcery.com>
9242
9243         * read-rtl.c (read_quoted_string): Break if EOF.
9244
9245 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
9246
9247         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
9248         (fold_build2): Likewise.
9249         (fold_build3): Likewise.
9250         (fold_build1_stat): New function prototype.
9251         (fold_build2_stat): Likewise.
9252         (fold_build3_stat): Likewise.
9253         * fold-const.c (fold_build1): Rename to ..
9254         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9255         through to build1_stat.
9256         (fold_build2): Rename to ..
9257         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9258         through to build2_stat.
9259         (fold_build3): Rename to ..
9260         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9261         through to build3_stat.
9262
9263 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
9264             Ian Lance Taylor  <ian@airs.com>
9265
9266         * function.c (assign_stack_local_1): Do not correct stack slot
9267         address if allocation size is smaller than mode size.
9268
9269 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
9270
9271         PR 22037
9272         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
9273         (tree_merge_blocks): Propagate anything allowed by
9274         may_propagate_copy.
9275         Clarify documentation.
9276         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
9277         SSA form, schedule an update if necessary.
9278
9279 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
9280
9281         * doc/install.texi (Binaries): Remove broken link to
9282         Sinix/Reliant Unix binaries.
9283
9284 2005-08-03  Richard Henderson  <rth@redhat.com>
9285
9286         PR 23221
9287         * function.c (stack_protect_epilogue): Export.
9288         * tree.h (stack_protect_epilogue): Declare.
9289         * calls.c (expand_call): Call it.
9290
9291 2005-08-03  Eric Christopher  <echristo@apple.com>
9292
9293         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
9294         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
9295         spec.
9296
9297 2005-08-04  Jan Hubicka  <jh@suse.cz>
9298
9299         * profile.c (branch_prob): Split edges with goto locus on them
9300         to get proper line counts.
9301         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
9302
9303 2005-08-03  Paul Brook  <paul@codesourcery.com>
9304
9305         * function.c (assign_parms): Round current_function_args_size
9306         to PARM_BOUNDARY, not STACK_BOUNDARY.
9307
9308 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
9309
9310         * config/i386/i386.c (x86_elf_aligned_common)
9311         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
9312
9313 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
9314
9315         PR tree-optimization/23157
9316         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
9317         before emitting them.
9318
9319 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9320
9321         PR tree-optimization/19899
9322         * Makefile.in (tree-scalar-evolution.o): Add real.h.
9323         * tree-scalar-evolution.c: Include real.h.
9324         (add_to_evolution): Build constant -1 of correct type.
9325
9326 2005-08-03  Jan Hubicka  <jh@suse.cz>
9327
9328         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
9329         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
9330         profile updating for complette unrolling.
9331         * loop-unroll.c (peel_loop_completely): Use it.
9332         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
9333         (tree_unroll_loops_completely): Disable code growing unrolling of cold
9334         loops.
9335
9336 2005-08-03  Paul Brook  <paul@codesourcery.com>
9337
9338         * combine.c (can_change_dest_mode): New function.
9339         (try_combine, simplify_set): Use it.
9340
9341 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
9342
9343         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
9344         TFmode to BLKmode.
9345
9346 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
9347
9348         * doc/install.texi (Specific): Adjust link to openavr.org.
9349         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
9350         (Binaries): Adjust HP-UX Porting Center link.
9351         (Binaries): Adjust Free Software Foundation ordering link.
9352
9353 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
9354
9355         * convert.c (convert_to_integer): Use fold_build1 instead of
9356         build1 when converting an integer to an integer.
9357
9358 2005-08-02  Richard Henderson  <rth@redhat.com>
9359
9360         * combine.c (combine_instructions): Don't use reg_equal/equiv
9361         results if the mode doesn't match.
9362
9363 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
9364
9365         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
9366         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
9367
9368 2005-08-02  Richard Henderson  <rth@redhat.com>
9369
9370         PR 23196
9371         * explow.c (memory_address): Remove special-case for
9372         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
9373
9374 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
9375
9376         PR 23164
9377         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
9378         number of calls to cleanup_tree_cfg_1.
9379
9380 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
9381
9382         * doc/invoke.texi: document file extensions .F90 and .F95
9383
9384 2005-08-02  Richard Guenther  <rguenther@suse.de>
9385
9386         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
9387         positive if its first argument is positive.
9388
9389 2005-08-02  Richard Guenther  <rguenther@suse.de>
9390
9391         PR tree-optimization/23177
9392         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
9393         on TMR_TAG.
9394
9395 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
9396
9397         PR tree-optimization/23129
9398         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
9399         varying for divisions with anti-ranges.
9400
9401 2005-08-02  Jan Hubicka  <jh@suse.cz>
9402
9403         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
9404         * tree-ssa-threadupdate.c (thread_block): Add it here.
9405
9406 2005-08-01  James E Wilson  <wilson@specifix.com>
9407
9408         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
9409         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
9410         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
9411         New.
9412         * config/mips/predicates.md (const_call_insn_operand): Add check for
9413         SYMBOL_REF_LONG_CALL_P.
9414         * doc/extend.texi (long_call): Document the new attribute.
9415
9416 2005-08-01  Ian Lance Taylor  <ian@airs.com>
9417             Richard Henderson  <rth@redhat.com>
9418
9419         * Makefile.in (RTL_BASE_H): Add real.h.
9420         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9421         instead of memcpy.
9422         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9423         directly.
9424         * rtl.c (rtl_check_failed_code_mode): New.
9425         * rtl.h (struct rtx_def): Add u.rv.
9426         (XCMWINT, XCNMPRV): New.
9427         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9428         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9429
9430 2005-08-01  Richard Henderson  <rth@redhat.com>
9431
9432         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9433         with auto-inc codes.
9434
9435         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9436
9437 2005-08-01  Jan Hubicka  <jh@suse.cz>
9438
9439         * i386-protos.h (asm_preferred_eh_data_format): Declare.
9440         * i386.c: Include dwarf2.h
9441         (asm_preferred_eh_data_format): New.
9442         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9443
9444 2005-08-01  Ian Lance Taylor  <ian@airs.com>
9445
9446         * config/host-linux.c (linux_gt_pch_get_address): Add new name
9447         randomize_va_space for virtual address randomization control.
9448
9449 2005-08-01  Steven Bosscher  <stevenb@suse.de>
9450
9451         * common.opt (flag_ipa_cp): Put in right place to maintain
9452         alphabetic sort.
9453
9454 2005-08-01  Jan Hubicka  <jh@suse.cz>
9455
9456         * profile.c (compute_value_histograms): Fix thinko.
9457         * value-prof.c: Include toplev.h
9458         (check_counter): New function.
9459         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9460         tree_mod_subtract_transform): Add sanity check.
9461
9462 2005-08-01  Richard Guenther  <rguenther@suse.de>
9463
9464         PR tree-optimization/23133
9465         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9466         current functions parameter decls to find defs to cse
9467         reciprocals of.
9468
9469 2005-08-01  Richard Guenther  <rguenther@suse.de>
9470
9471         PR tree-optimization/23109
9472         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9473         If trapping math is in effect, use post-dominator information
9474         to check if we'd in any case reach a trapping point before
9475         doing the reciprocal insertion.
9476         (execute_cse_reciprocals): Compute post-dominators, if necessary.
9477         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9478         expressions are invariant only if trapping math is not in effect.
9479
9480 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9481
9482         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9483         cgraph_function_versioning): New declarations.
9484         * cgraphunit.c: Add include to ipa-prop.h.
9485         (update_call_expr, cgraph_copy_node_for_versioning,
9486         cgraph_function_versioning): New functions.
9487         * integrate.c (copy_decl_for_inlining): Remove.
9488         * ipa-prop.h (ipa_replace_map): New struct.
9489         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9490         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9491         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9492         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9493         ipcp_iterate_stage, ipcp_method_scale_print,
9494         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9495         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9496         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9497         ipcp_update_bb_counts, ipcp_update_profiling,
9498         ipcp_update_edges_counts): New functions.
9499         (ipcp_method_cval_init): Remove restriction regarding local methods.
9500         (ipcp_init_stage): Add ipcp_method_compute_scale.
9501         (ipcp_insert_stage): Add versioning.
9502         (ipcp_structures_print): Add ipcp_method_scale_print.
9503         (ipcp_driver): Dump profiling info.
9504         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9505         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9506         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9507         (struct inline_data): Add versioning_p, ipa_info, new fields.
9508         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9509         declare_return_variable): Replace calls to copy_decl_for_inlining with
9510         copy_decl_for_dup.
9511         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9512         versioning support.
9513         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9514         Add argument VERSIONING.
9515         (copy_arguments_for_versioning, copy_static_chain,
9516         function_versionable_p, tree_versionable_function_p,
9517         tree_function_versioning, replace_ref_tree): New functions.
9518         * tree-inline.h: Include varray.h.
9519         (tree_versionable_function_p,  tree_function_versioning,
9520         tree copy_decl_for_dup): New declarations.
9521
9522 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9523
9524         * ipa-cp.c: New file. Contains IPCP specific functionality.
9525         * ipa-prop.h: New file. Contains structures/definitions that can be
9526         used by several interprocedural data flow optimizations (and also IPCP).
9527         * ipa-prop.c: New file.
9528         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9529         * common.opt: Add ipa-cp flag.
9530         * timevar.def: Add IPCP optimization.
9531         * tree-optimize.c (init_tree_optimization_passes): Schedule
9532         pass_ipa_cp.
9533         * tree-pass.h (pass_ipa_cp): Declare.
9534
9535 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
9536
9537         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9538         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9539         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9540         config/i386/i386.c, config/mips/mips.h,
9541         config/rs6000/rs6000.h, config/sh/sh.c,
9542         config/stormy16/stormy16.c: Fix comment typos.
9543
9544 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
9545
9546         PR c/22311
9547         * c-typeck.c (build_binary_op): Use common_type wrapper on
9548         shortened types.
9549         (common_type): Update comment.
9550
9551 2005-07-31  Steven Bosscher  <stevenb@suse.de>
9552
9553         PR target/23095
9554         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9555         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9556         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9557
9558 2005-07-31  Jan Hubicka  <jh@suse.cz>
9559
9560         * pretty-print.h (pp_widest_integer): New macro.
9561         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9562         counts.
9563
9564 2005-07-31  Jan Hubicka  <jh@suse.cz>
9565
9566         * output.h (enum section_category): Export from varasm.c
9567         (categorize_decl_for_section): Likewise.
9568         * varasm.c (enum section_category): Kill.
9569         (categorize_decl_for_section): Make global.
9570         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9571         Declare.
9572         * i386.c (ix86_section_threshold): New static variable.
9573         (ix86_in_large_data_p, ix86_encode_section_info,
9574         x86_64_elf_unique_section,
9575         x86_64_elf_select_section): New functions.
9576         (TARGET_ENCODE_SECTION_INFO): Define
9577         (override_options): Enable medium model for PIC.
9578         (ix86_expand_prologue): Expand gen_set_got_rex64.
9579         (legitimate_constant_p): Handle new UNSPECs.
9580         (legitimate_pic_address_disp_p): Likewise.
9581         (legitimize_pic_address): Lower MEDIUM model addressing.
9582         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9583         (enum cmodel): Add MEDIUM_PIC.
9584         (SYMBOL_REF_FAR_ADDR_P): New macro.
9585         (SYMBOL_FLAG_FAR_ADDR): New flag.
9586         * i386.md (movdi): Support medium model.
9587         (set_got_rex64): New pattern.
9588         * i386.opt (mlarge-data-threshold): New flag.
9589         * predicates.md (zext_operand/sext_operand): Deal with medium model.
9590         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9591         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9592         TARGET_ASM_UNIQUE_SECTION): New.
9593
9594         * invoke.texi (-mlarge_data_threshold): Document
9595
9596 2005-07-31  Jan Hubicka  <jh@suse.cz>
9597
9598         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9599         (coalesce_vars): Likewise.
9600         * tree-ssa-live.c (coalesce_cost): New.
9601         (build_tree_conflict_graph): Use coalesce_cost.
9602         * tree-ssa-live.h (coalesce_cost): Declare.
9603
9604 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
9605
9606         * arm.md (all peepholes for post-increment operations): Delete.
9607         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9608         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9609         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9610         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9611         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9612
9613 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
9614
9615         * fold-const.c (tree_expr_nonnegative_p): Always return true for
9616         non-integral types.
9617
9618 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
9619
9620         PR target/22582
9621         * doc/invoke.texi: Document -rdynamic.
9622
9623 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
9624
9625         PR c/23143
9626         * c-parser.c (c_parser_parms_list_declarator): Call
9627         mark_forward_parm_decls.
9628         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9629         decls with visibility structure.
9630
9631 2005-07-30  Paul Brook  <paul@codesourcery.com>
9632
9633         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9634
9635 2005-07-30  Paul Brook  <paul@codesourcery.com>
9636
9637         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9638         prototype.
9639         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9640         value for mode.
9641         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9642
9643 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9644
9645         PR c/529
9646         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9647         nested function declarators.
9648         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9649         (grokparms): Call warn_if_shadowing for parameters used within the
9650         parameter list.
9651         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9652         not used within the parameter list.
9653         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9654
9655 2005-07-30  Jan Hubicka  <jh@suse.cz>
9656
9657         * expr.c (expand_expr_real_1): Do not load mem targets into register.
9658         * i386.c (ix86_fixup_binary_operands): Likewise.
9659         (ix86_expand_unary_operator): Likewise.
9660         (ix86_expand_fp_absneg_operator): Likewise.
9661         * optabs.c (expand_vec_cond_expr): Validate dest.
9662
9663 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9664
9665         PR c/21720
9666         * real.c (real_from_string): Also set last bit if there is a
9667         nonzero hex digit beyond GCC's internal precision after ".".
9668
9669 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
9670
9671         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9672         define_constants.  Change duplicate values to unassigned numbers.
9673         Change UNSPEC_SUBS to UNSPEC_VSUBS.
9674         (*altivec_vspltsf): New.
9675         (altivec_vperm_v4sf): Delete.
9676         (altivec_vperm_<mode>): Use mode macro V.
9677         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9678         (altivec_predicate_v4sf): Delete.
9679         (altivec_predicate_<mode>): Use mode macro V.
9680         (*altivec_lvesfx): New.
9681         (*altivec_stvesfx): New.
9682         (vec_realign_load_v4sf): Delete.
9683         (vec_realign_load_<mode>): Use mode macro V.
9684         * config/rs6000/rs6000.c (generate_set_vrsave): Use
9685         UNSPECV_SET_VRSAVE.
9686
9687 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
9688
9689         PR bootstrap/23131
9690         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9691         string.
9692         * configure: Regenerated.
9693
9694 2005-07-29  Paul Brook  <paul@codesourcery.com>
9695
9696         * doc/install.texi: Add link to GFortran binaries wiki page.
9697
9698 2005-07-29  David Ung  <davidu@mips.com>
9699
9700         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9701         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9702         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9703         * config/mips/mips.md (cpu): Add 5kf name.
9704         (includes): Includes 5k.md.
9705         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9706         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9707         -march flag.
9708
9709 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9710
9711         PR 22550
9712         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9713         (cleanup_tree_cfg): ... here.
9714         Call cleanup_tree_cfg_1 until there are no more cleanups to
9715         do.
9716
9717 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
9718
9719         * tree-vrp.c (compare_range_with_value): Return true or false
9720         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9721         EQ_EXPR respectively.
9722
9723 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
9724
9725         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9726         Fix comment typos.
9727
9728 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9729
9730         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9731         (tree_ssa_dominator_optimize): Increment it.
9732         (dump_dominator_optimization_stats): Print it.
9733
9734 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
9735             Steven Bosscher  <stevenb@suse.de>
9736
9737         PR rtl-optimization/23117
9738         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9739         when head == tail.  Tidy comment.
9740
9741 2005-07-28  Richard Henderson  <rth@redhat.com>
9742
9743         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9744         * cselib.c (rtx_equal_for_cselib_p): Likewise.
9745         * jump.c (rtx_renumbered_equal_p): Likewise.
9746         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9747         CONST_INT and CONST_DOUBLE.
9748         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9749         * reload.c (operands_match_p): Special case CONST_INT and
9750         CONST_DOUBLE; check mode earlier.
9751
9752 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9753
9754         PR c/22240
9755         * c-typeck.c (convert_for_assignment): Do not check
9756         DECL_IN_SYSTEM_HEADER on NULL fundecl.
9757
9758 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9759
9760         PR c/22192
9761         * c-typeck.c (composite_type): Prefer constant size arrays to
9762         VLAs.
9763
9764 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9765
9766         PR c/21720
9767         * real.c (real_from_string): Set last bit if there is a nonzero
9768         hex digit beyond GCC's internal precision.
9769
9770 2005-07-28  Richard Henderson  <rth@redhat.com>
9771
9772         PR rtl-opt/22619
9773         * cfgcleanup.c (try_forward_edges): Watch out for end of
9774         insn chain.
9775
9776 2005-07-28  James E Wilson  <wilson@specifixinc.com>
9777
9778         PR c/23106
9779         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9780
9781 2005-07-28  Jan Hubicka  <jh@suse.cz>
9782
9783         * Makefile.in (rtl-profile.o): Kill all traces of it.
9784         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9785         * coverage.h (rtl_coverage_counter_ref): Kill.
9786         * opts.c (flag_speculative_prefetching_set): Kill.
9787         (flag_loop_optimize_set): New.
9788         (common_handle_option): Disable loop optimizer when profiling;
9789         do not handle speculative prefetching.
9790         * passes.c (init_optimization_passes): Replace pass_profiling combo
9791         by branch_prob pass.
9792         * profile.c (compute_value_histograms): Update for simplified value
9793         profiles.
9794         (rtl_register_profile_hooks): Kill.
9795         (pass_profiling): Kill.
9796         (rest_of_handle_branch_prob): Do not profile.
9797         * toplev.c (process_options): Remove speculative prefetching.
9798         * toplev.h (flag_tree_based_profiling): Kill.
9799         * tree-profile.c (prepare_instrumented_value,
9800         tree_gen_interval_profiler, tree_gen_pow2_profiler,
9801         tree_gen_one_value_profiler, do_tree_profiling): Update for
9802         simplified datastructures.
9803         * value-prof.c: Add comment that speculative prefetching was dropped;
9804         update rest of file for simplified datastructures.
9805         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9806         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9807         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9808         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9809         rtl_mod_subtract, gen_speculative_prefetch,
9810         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9811         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9812         (gate_handle_value_profile_transformations,
9813         rest_of_handle_value_profile_transformations,
9814         pass_value_profile_transformations): Kill.
9815         * value-prof.h (histogram_value_t): Remove IL based unions.
9816         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9817         rtl_profile_hooks): Remove hooks.
9818
9819         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9820
9821         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9822         (cgraph_clone_node): Likewise.
9823         * cgraph.h (cgraph_clone_edge): Update prototype.
9824         (cgraph_clone_node): Likewise.
9825         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9826         cgraph_clone_node.
9827         (lookup_recursive_calls): Consider profile.
9828         (cgraph_decide_recursive_inlining): Fix updating; use new
9829         probability argument; use profile.
9830         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9831         * tree-inline.c (copy_bb): Update clal of clone_edge.
9832         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9833
9834         * invoke.texi (min-inline-recursive-probability): Document.
9835
9836 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
9837
9838         * doc/install.texi (Configuration): Update Valgrind homepage.
9839
9840 2005-07-28  Richard Henderson  <rth@redhat.com>
9841
9842         PR middle-end/21362
9843         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9844         labels we want to delete.
9845         (cfg_layout_merge_blocks): Likewise.
9846
9847 2005-07-28  Richard Henderson  <rth@redhat.com>
9848
9849         PR target/17692
9850         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9851         when expanding to nothing.
9852
9853 2005-07-28  Josh Conner  <jconner@apple.com>
9854
9855         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9856         (cgraph_decide_inlining_of_small_functions): Likewise.
9857
9858 2005-07-28  Josh Conner  <jconner@apple.com>
9859
9860         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
9861         direction of badness if negative.
9862         (cgraph_default_inline_p): Add reason to parameters, and assign it
9863         a value.
9864         (cgraph_decide_inlining_of_small_functions): New parameter in call
9865         to cgraph_default_inline_p.
9866         (cgraph_decide_inlining_incrementally): Likewise.
9867         * cgraphunit.c (decide_is_function_needed): Likewise.
9868         * cgraph.h (cgraph_default_inline_p): Likewise.
9869
9870 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9871
9872         * builtins.c: Fix comment typo(s).
9873         * genautomata.c: Likewise.
9874         * gimplify.c: Likewise.
9875         * tree-dfa.c: Likewise.
9876         * tree-flow-inline.h: Likewise.
9877         * tree-into-ssa.c: Likewise.
9878         * tree-ssa-alias.c: Likewise.
9879         * tree-ssa-ccp.c: Likewise.
9880         * tree-ssa-copy.c: Likewise.
9881         * tree-ssa-dce.c: Likewise.
9882         * tree-ssa-dom.c: Likewise.
9883         * tree-ssa-operands.c: Likewise.
9884         * tree-tailcall.c: Likewise.
9885         * tree-vectorizer.c: Likewise.
9886         * tree-vrp.c: Likewise.
9887         * tree.c: Likewise.
9888
9889 2005-07-28  Jeff Law  <law@redhat.com>
9890
9891         * tree-vrp.c (test_for_singularity): Extracted from  ...
9892         (simplify_cond_using_ranges): Attempt to simplify a relational
9893         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9894
9895 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9896
9897         PR tree-optimization/22506
9898         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9899         phis whose argument is constant.
9900
9901 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9902
9903         PR rtl-optimization/18992
9904         Back out this patch:
9905           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9906           PR optimization/12142
9907           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9908           uses of the register in the SET_SRC.  Remove unnecessary argument.
9909
9910         Replace it with this:
9911         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9912         if flag_non_call_exceptions is set and the insn may trap, pass
9913         pc_rtx as dest for recursion.
9914         In SET_SRC part of SET case, if dest is already set, pass it down
9915         unchanged.
9916
9917 2005-07-28  Jan Hubicka  <jh@suse.cz>
9918
9919         * cfg.c (update_bb_profile_for_threading): Use RDIV.
9920         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9921         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9922         roundoff errors.
9923         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9924         profile when available.
9925
9926 2005-07-28  Jan Beulich <jbeulich@novell.com>
9927
9928         * config/ia64/ia64.c (ia64_load_pair_ok): New.
9929         (ia64_print_operand): Describe and handle 'X'.
9930         (ia64_register_move_cost): Also handle FP_REGS.
9931         (ia64_preferred_reload_class): Likewise.
9932         (ia64_secondary_reload_class): Likewise.
9933         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9934         it. Also check for ITANIUM_CLASS_FLDP.
9935         * config/ia64/ia64.h (FP_REGNO_P): New.
9936         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9937         (reg_class): Add FP_REGS.
9938         (REG_CLASS_NAMES): Adjust for it.
9939         (REG_CLASS_CONTENTS): Likewise.
9940         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9941         (REG_CLASS_FROM_LETTER): Handle 'x'.
9942         (CLASS_MAX_NREGS): Handle FP_REGS.
9943         (MEMORY_MOVE_COST): Likewise.
9944         * config/ia64/ia64.md (itanium_class): Add fldp.
9945         (type): Handle fldp.
9946         (movti_internal): More allowable operand combinations. Use ldfp8 when
9947         splitting unnecessary. Remove predicable attribute. Adjust
9948         itanium_class attribute.
9949         (smuldi3_highpart): Remove outdated comment.
9950         (mulditi3, umulditi3, rotlti3): New expanders.
9951         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9952         (absti2): Disabled new insn for future reference.
9953         Respective new splitters.
9954         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9955         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9956         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9957
9958 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
9959
9960         PR rtl-optimization/23047
9961         * simplify-rtx.c (simplify_const_relational_operation): Respect
9962         flag_wrapv for comparisons with ABS.
9963
9964 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
9965
9966         PR tree-optimization/22493
9967         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9968         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9969
9970 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
9971
9972         * config/frv/frv.opt (moptimize-membar): New.
9973
9974         * doc/invoke.texi: Document -moptimize-membar and its inverse.
9975
9976         * config/frv/frv.h: Remove machine_function definition.
9977
9978         * config/frv/frv.c (struct frv_io): New.
9979         (struct machine_function): Moved from frv.h.  Add has_membar_p.
9980         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9981         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9982         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9983         (frv_optimize_membar_global, frv_optimize_membar): New functions.
9984         (frv_reorg): Call frv_optimize_membar when appropriate.
9985         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9986         (frv_expand_builtin): Adjust calls accordingly.
9987         (frv_io_address_cookie): New function.
9988         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9989         load or store rather than a special insn.  Add ccnstant address and
9990         io-type operands to the membar.
9991         (frv_ifcvt_modify_tests): Unsign regno.
9992         (frv_ifcvt_modify_tests): Same.
9993
9994         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
9995         UNSPEC_OPTIONAL_MEMBAR constant.
9996         (builtin_read_<mode>): Delete.
9997         (builtin_write_<mode>): Delete.
9998         ("optional_membar_<mode>"): Add operand.
9999
10000         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
10001         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
10002         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
10003         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
10004         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
10005         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
10006         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
10007         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
10008         * testsuite/gcc.target/frv/all-read-write-1.c: New.
10009
10010 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
10011
10012         * df.c (df_uses_record): Handle SCRATCH.
10013
10014 2005-07-28  Steven Bosscher  <stevenb@suse.de>
10015
10016         PR debug/20161
10017         * passes.c (rest_of_decl_compilation): If decl is a type and
10018         we have encountered errors, don't emit debug information.
10019
10020 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
10021
10022         * params.def: Fixed comment.
10023
10024 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
10025
10026         PR target/19885
10027         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
10028         (TARGET_ASM_UNALIGNED_HI_OP): Add.
10029         (TARGET_ASM_UNALIGNED_SI_OP): Add.
10030
10031 2005-07-27  Steven Bosscher  <stevenb@suse.de>
10032
10033         PR c++/22003
10034         * varasm.c (assemble_start_function): Don't do anything that may
10035         require a CFG if the current function is a thunk.
10036
10037 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
10038
10039         * doc/install.texi (Prerequisites): Mention that perl is needed
10040         to do export control in libstdc++ targetting Darwin.
10041
10042 2005-07-27  Steven Bosscher  <stevenb@suse.de>
10043
10044         PR rtl-optimization/17808
10045         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
10046         (sched_insns_conditions_mutex_p): Split out from...
10047         (add_dependence): ...here.  But don't call it from here.
10048         (add_dependence_list): Check sched_insns_conditions_mutex_p
10049         before calling add_dependence.
10050         (add_dependence_list_and_free): Likewise.
10051         (fixup_sched_groups): Likewise.
10052         (sched_analyze_1): Likewise.
10053         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
10054         (sched_analyze): Likewise.
10055         (sched_analyze_insn): Likewise.
10056         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
10057         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
10058         dependencies on all COND_EXEC insns to jumps ending basic blocks
10059         when doing intrablock scheduling.
10060         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
10061
10062 2005-07-27  Jeff Law  <law@redhat.com>
10063
10064         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
10065         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
10066         equivalency sets, correctly handle the case were vr0 has an
10067         equivalency set, but vr1 does not.
10068
10069 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
10070
10071         PR tree-optimization/23073
10072         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
10073         vect_print_dump_info before fprintf.
10074
10075 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10076
10077         PR tree-optimize/22348
10078         * tree-ssa-loop-niter.c (number_of_iterations_cond):
10079         Fold the partial computation.
10080
10081 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10082
10083         PR tree-optimization/22325
10084         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
10085         Declare.
10086         * tree-scalar-evolution.c (scev_const_prop): Add generic final
10087         value replacement.
10088         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
10089         (force_var_cost): ... this function.
10090         (compute_phi_arg_on_exit): Export.
10091
10092 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10093
10094         PR tree-optimization/20773
10095         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
10096         edge.
10097
10098 2005-07-27  Richard Guenther  <rguenther@suse.de>
10099
10100         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
10101         Avoid pushing again if current struct contains only
10102         fields we decomposed.
10103
10104 2005-07-27  Jan Hubicka  <jh@suse.cz>
10105
10106         PR tree-optimization/22574
10107         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
10108         not available.
10109
10110         * tree-tailcall.c (decrease_profile): New function.
10111         (eliminate_tail_call): Use it.
10112
10113         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
10114         visibility flags correctly in whole program mode.
10115
10116 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
10117
10118         PR rtl-optimization/22472
10119         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
10120
10121 2005-07-26  Steven Bosscher  <stevenb@suse.de>
10122
10123         PR tree-optimization/22504
10124         * tree-complex.c (expand_complex_addition): Use 'code' instead
10125         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
10126
10127 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
10128
10129         * config.gcc (cpu_type): Add frv case.
10130         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
10131         (supported_defaults): Add fr550 case.
10132
10133 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
10134
10135         PR 22591
10136         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
10137         whether a pointer of type T * may point to objects of type T *.
10138
10139 2005-07-26  DJ Delorie  <dj@redhat.com>
10140
10141         * configure: Regenerate.
10142
10143 2005-07-26  Dale Johannesen  <dalej@apple.com>
10144
10145         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
10146
10147 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
10148
10149         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
10150         Clarify use of "build" in name.
10151
10152 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
10153
10154         * doc/extend.texi (Raw read/write Functions): New section.
10155         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
10156         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
10157         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
10158         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
10159         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
10160         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
10161         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
10162         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
10163         * config/frv/frv.c: Add bdesc_loads global.
10164         Add bdesc_stores global.
10165         (frv_init_builtins): Add support for __builtin_{read/write}*.
10166         (frv_volatile_memref): New.
10167         (frv_expand_load_builtin): New.
10168         (frv_expand_store_builtin): New.
10169         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
10170         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
10171         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
10172         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
10173         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
10174         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
10175         (builtin_read_<mode>): New.
10176         (builtin_write_<mode>): New.
10177         (builtin_write64): New.
10178         (optional_membar_<mode>): New.
10179
10180 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
10181
10182         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
10183         (rather than units) against HOST_BITS_PER_WIDE_INT.
10184
10185 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
10186
10187         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
10188         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
10189         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
10190         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
10191         FSF address.
10192
10193         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
10194         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
10195         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
10196         comment typos.
10197         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
10198
10199 2005-07-26  Richard Guenther  <rguenther@suse.de>
10200
10201         PR tree-optimization/22486
10202         * fold-const.c (fold_unary): Fold away useless component
10203         references of the form (T *)&T.x, if the address
10204         doesn't change.
10205
10206 2005-07-25  James E Wilson  <wilson@specifixinc.com>
10207
10208         * dwarf2out.c (add_call_src_coords_attributes): New.
10209         (gen_inlined_subroutine_die): Call it.
10210         (maybe_emit_file, init_file_table): Add comments.
10211         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
10212         maybe_emit_file.
10213         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
10214         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
10215         * tree.h (BLOCK_SOURCE_LOCATION): New.
10216         (struct tree_block): New field locus.
10217
10218 2005-07-26  Andreas Schwab  <schwab@suse.de>
10219
10220         PR rtl-optimization/23043
10221         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
10222         when allocating a struct unoccr.
10223
10224 2005-07-25  Richard Henderson  <rth@redhat.com>
10225
10226         PR 22626
10227         * tree-complex.c (gate_no_optimization): True if errors.
10228         * Makefile.in (tree-complex.o): Update dependencies.
10229
10230 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
10231
10232         * config/frv/predicates.md (integer_register_operand): Use
10233         GPR_AP_OR_PSEUDO_P.
10234
10235 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
10236
10237         PR tree-opt/22484
10238         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
10239         after fold.
10240         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
10241
10242 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
10243
10244         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
10245         types when flag_unsafe_math_optimizations is true.
10246
10247 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
10248
10249         * gcc.c (option_map): Add --sysroot.
10250         (process_command): Handle --sysroot.
10251         (display_help): Document it.
10252         * doc/cppopts.tex (-isysroot): Document.
10253         * doc/invoke.texi (--sysroot): Document.
10254         * doc/install.texi (--with-build-sysroot): Document.
10255
10256         * Makefile.in (inhibit_libc): New variable.
10257         (INHIBIT_LIBC_CFLAGS): Likewise.
10258         (LIBGCC2_CFLAGS): Include
10259         $(INHIBIT_LIBC_CFLAGS).
10260         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
10261         ($(T)crtbegin.o): Do not use @inhibit_libc@.
10262         ($(T)crtend.o): Likewise.
10263         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
10264         ($(T)crtendS.o): Likewise.
10265         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
10266         ($(T)crtendT.o): Likewise.
10267         (stmp-fixinc): Do not complain about missing headers if
10268         inhibit_libc.
10269         * configure.ac (inhibit_libc): Set it to true/false.
10270         (--with-build-sysroot): New option.  Use it to set
10271         SYSTEM_HEADER_DIR.
10272         * configure: Regenerated.
10273
10274 2005-07-25  Manfred Hollstein  <mh@suse.com>
10275
10276         * calls.c (store_one_arg): Fix unsigned comparison warning.
10277
10278 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
10279
10280         PR other/22337
10281         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
10282         (ggc_print_statistics): Initialize variable before use.
10283
10284 2005-07-25  Richard Guenther  <rguenther@suse.de>
10285
10286         * tree-dfa.c (mark_new_vars_to_rename): Protect against
10287         calling with a PHI_NODE argument.
10288
10289         * tree-flow-inline.h (overlap_subvar): Protect against
10290         possible overflow.
10291
10292 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
10293
10294         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
10295         * configure: Regenerate.
10296
10297 2005-07-25  Ira Rosen  <irar@il.ibm.com>
10298
10299         * expr.c (highest_pow2_factor): Make extern.
10300         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
10301         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
10302         record_array_differ_p, array_ptr_differ_p): Likewise.
10303         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
10304         additional cases. Call the above functions.
10305         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
10306         base_object_differ_p when there are two base objects. Otherwise, compare
10307         base address and offset. Call may_alias_p.
10308         (dump_data_reference): Use a correct field name.
10309         (analyze_array): Make static. Initialize new data-ref fields.
10310         (analyze_indirect_ref): New function.
10311         (init_data_ref): Initialize new data-ref fields.
10312         (strip_conversion): Moved from tree-vect-analyze.c.
10313         (analyze_offset_expr, get_ptr_offset, address_analysis,
10314         object_analysis): Likewise.
10315         (analyze_offset): New function.
10316         (create_data_ref): Likewise.
10317         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
10318         dimensions for ARRAY_REFs only.
10319         (build_classic_dist_vector): Make static.
10320         (access_functions_are_affine_or_constant_p): Call macro to get the
10321         address of access functions.
10322         (compute_all_dependences): Add new parameter
10323         compute_self_and_read_read_dependences. Compute self and read-read
10324         dependences if it is true.
10325         (find_data_references_in_loop): Call create_data_ref. Initialize new
10326         data-ref fields.
10327         (compute_data_dependences_for_loop): Add new parameter
10328         compute_self_and_read_read_dependences. Remove parameter nb_loops,
10329         compute nb_loops. Call compute_all_dependences,
10330         build_classic_dist_vector and build_classic_dir_vector with correct
10331         parameters.
10332         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
10333         with correct parameters. Compare dimensions for ARRAY_REFs only.
10334         (free_data_refs): Call macro to free access functions.
10335         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
10336         fields from stmt_vinfo.
10337         (struct base_object_info): New structure.
10338         (struct data_reference): Move fields to base_object_info. Add fields
10339         first_location and object_info for above structures. Move fields from
10340         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
10341         aligned_to.  Add macros to access the new fields.
10342         Update functions declarations.
10343         * tree-flow.h (is_aliased_with): Declare.
10344         * tree-loop-linear.c (linear_transform_loops): Call
10345         compute_data_dependences_for_loop with correct parameters.
10346         * tree-ssa-alias.c (is_aliased_with): New function.
10347         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
10348         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
10349         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
10350         vect_base_addr_differ_p, compute_subscript_distance and
10351         build_classic_dist_vector. Add printings. Check absolute value of
10352         distance.
10353         (vect_analyze_data_ref_dependences): Go through ddrs instead of
10354         data-refs.
10355         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
10356         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
10357         to bytes. Add printing.
10358         (vect_compute_data_refs_alignment): Go through loads and stores in one
10359         loop.
10360         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
10361         vect_analyze_data_ref_access): Likewise.
10362         (vect_analyze_pointer_ref_access): Remove.
10363         (vect_address_analysis, vect_object_analysis): Likewise.
10364         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
10365         and analyze data-refs in the loop.
10366         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
10367         fields of data-ref instead of stmt. Add init to the offset from the
10368         base.
10369         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
10370         (vect_update_init_of_dr): Likewise.
10371         (vect_update_inits_of_drs): Go through loads and stores in one loop.
10372         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
10373         removed fields.
10374         (new_loop_vec_info): Initialize new fields.
10375         (destroy_loop_vec_info): Free new fields.
10376         (vect_strip_conversion): Remove.
10377         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
10378         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
10379         datarefs. Add new field ddrs.
10380         Add macros for the new fields access.
10381         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
10382         base_aligned_p, misalignment, memtag, ptr_info and subvars.
10383         Remove their macros.
10384         * tree.h (highest_pow2_factor): Declare.
10385
10386 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
10387
10388         * calls.c (store_one_arg): Check for sibling call MEM arguments
10389         from already clobbered incoming argument area.
10390
10391 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10392
10393         * c-common.c (check_missing_format_attribute): New.
10394         * c-common.h (check_missing_format_attribute): Likewise.
10395         * c-typeck.c (convert_for_assignment): Use it.
10396
10397 2005-07-24  Andreas Schwab  <schwab@suse.de>
10398
10399         * config/m68k/m68k.md ("extendqidi2"): When source is an address
10400         register use a word move.  Correct operand of ext.w in 68000 code.
10401
10402 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
10403
10404         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
10405         variables as declarations, rather than definitions.
10406
10407 2005-07-24  Ira Rosen  <irar@il.ibm.com>
10408
10409         PR tree-optimization/22526
10410         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
10411         of the zero node.
10412
10413 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
10414
10415         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10416         that C99 reserve for future use. Use it to define clog10,
10417         clog10f and clog10l.
10418
10419 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10420
10421         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10422         * configure.ac: Check for -Wmissing-format-attribute.
10423
10424         * configure: Regenerate.
10425
10426 2005-07-23  Richard Henderson  <rth@redhat.com>
10427
10428         PR tree-optimization/22623
10429         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10430
10431 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
10432
10433         PR target/22577
10434         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10435
10436 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10437
10438         * Makefile.in (C_TREE_H): Update dependencies.
10439         * c-tree.h: Include toplev.h.
10440         * diagnostic.h (diagnostic_set_info): Add format attribute.
10441         * rtl-error.c (diagnostic_for_asm): Likewise.
10442
10443 2005-07-23  Chao-ying Fu  <fu@mips.com>
10444
10445         * config/mips/mips-dsp.md: New file.
10446         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10447         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10448         functions.
10449         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10450         MIPS_BUILTIN_BPOSGE32.
10451         (mips_expand_builtin_direct): Add one parameter to indicate that
10452         builtin functions need to return a value.
10453         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10454         functions.
10455         (mips_regno_to_class): Add classes for 12 new DSP registers.
10456         (mips_subword): Change to check four HI registers.
10457         (mips_output_move): Output move to and from 6 new DSP accumulators.
10458         (override_options): Make sure -mdsp and -mips16 are not used together.
10459         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
10460         for machine modes.
10461         (mips_conditional_register_usage): Disable 6 new DSP accumulators
10462         when !TARGET_DSP.
10463         (print_operand): Add 'q' for printing DSP accumulators.
10464         (mips_cannot_change_mode_class): Check ACC_REGS.
10465         (mips_secondary_reload_class): Check ACC_REGS.
10466         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10467         (mips_register_move_cost): Check ACC_REGS.
10468         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10469         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10470         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10471         (dsp_bdesc): New array.
10472         (bdesc_arrays): Add DSP builtin function table.
10473         (mips_prepare_builtin_arg): Check predicate again after
10474         copy_to_mode_reg.
10475         (mips_expand_builtin): Add one more parameter to
10476         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10477         MIPS_BUILTIN_BPOSGE32.
10478         (mips_init_builtins): Initialize new function types.
10479         (mips_expand_builtin_direct): Check if builtin functions need to
10480         return a value and pass operands properly.
10481         (mips_expand_builtin_bposge): New function.
10482         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10483         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10484         (FIRST_PSEUDO_REGISTER): Increase to 188.
10485         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10486         Update for 12 new DSP registers.
10487         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10488         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10489         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10490         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10491         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10492         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10493         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10494         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10495         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10496         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10497         (REGISTER_NAMES): Add names for 12 new DSP registers.
10498         * config/mips/mips.md: Include mips-dsp.md.
10499         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10500         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10501         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10502         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10503         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10504         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10505         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10506         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10507         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10508         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10509         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10510         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10511         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10512         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10513         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10514         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10515         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10516         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10517         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10518         (UNSPEC_RDDSP): New constants.
10519         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10520         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
10521         A<-d alternative.
10522         * config/mips/mips.opt (-mdsp): New option.
10523         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10524         (reg_imm10_operand): New predicates.
10525         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10526         * doc/invoke.texi (-mdsp): Document new option.
10527
10528 2005-07-22  DJ Delorie  <dj@redhat.com>
10529
10530         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10531         to warning calls.
10532         * tree-inline.c (inlinable_function_p): Likewise.
10533
10534 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
10535
10536         PR debug/21828
10537         * toplev.c (check_global_declarations): Do not mark undefined
10538         variables as DECL_IGNORED_P.
10539         * varasm.c (first_global_object_name): GTY it.
10540         (weak_global_object_name): Likewise.
10541         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10542         a string to go into {weak,first}_global_object_name.
10543
10544 2005-07-22  DJ Delorie  <dj@redhat.com>
10545
10546         * c-format.c (check_function_format): Change warning control
10547         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10548
10549 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
10550
10551         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10552         &PTR->FLD a dereference of PTR.
10553         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10554         a potential dereference of PTR.
10555
10556 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
10557
10558         PR rtl-optimization/20370
10559         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10560         call allocate_reg_info if necessary.
10561
10562         PR rtl-optimization/21848
10563         * calls.c (emit_library_call_value_1): For const functions, add
10564         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10565
10566         PR rtl-optimization/22445
10567         * cselib.c (target.h): Include.
10568         (rtx_equal_for_cselib_p): Allow commutative matches.
10569         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10570         Remove MODE parameter.  Changed all callers.
10571
10572         PR rtl-optimization/22258
10573         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10574         New functions.
10575         (try_combine): Use likely_spilled_retval_p.
10576
10577 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
10578
10579         * config.gcc: Add crx-elf support.
10580
10581         * doc/contrib.texi: Mention crx.
10582         * doc/extend.texi: Document crx extensions.
10583         * doc/install.texi: Document crx install.
10584         * doc/invoke.texi: Document crx options.
10585         * doc/md.texi: Document crx constraints.
10586
10587         * config/crx/crx-protos.h: New file.
10588         * config/crx/crx.c: New file.
10589         * config/crx/crx.h: New file.
10590         * config/crx/crx.md: New file.
10591         * config/crx/crx.opt: New file.
10592         * config/crx/t-crx: New file.
10593
10594 2005-07-22  Manfred Hollstein  <mh@suse.com>
10595
10596         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10597         warnings.
10598         (int_add_graph_edge): Likewise.
10599         (collapse_nodes): Likewise.
10600         (process_unification_queue): Likewise.
10601
10602 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10603             Laurent GUERBY  <laurent@guerby.net>
10604
10605         PR tree-optimization/22336
10606         * function.c (record_block_change): Check for
10607         cfun->ib_boundaries_block.
10608
10609 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
10610
10611         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10612         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10613
10614 2005-07-21  DJ Delorie  <dj@redhat.com>
10615
10616         * toplev.c (warn_deprecated_use): Add warning control to warning
10617         call.
10618         * c-typeck.c (parser_build_binary_op): Likewise.
10619         (c_finish_if_stmt): Likewise.
10620         * c-common.c (check_function_sentinel): Likewise.
10621         (check_nonnull_arg): Likewise.
10622
10623 2005-07-21  Richard Henderson  <rth@redhat.com>
10624
10625         PR tree-opt/22504
10626         * tree-complex.c (complex_ssa_name_components): New.
10627         (cvc_lookup): Allow entry not found.
10628         (create_components): Remove.
10629         (create_one_component_var, get_component_var): New.
10630         (get_component_ssa_name, set_component_ssa_name): New.
10631         (extract_component): Use get_component_ssa_name.
10632         (update_complex_components): Use set_component_ssa_name.
10633         (update_complex_components_on_edge): Likewise.
10634         (update_phi_components): Create new PHI nodes directly, instead
10635         of adding insns to edges.
10636         (tree_lower_complex): Allocate and free complex_variable_components
10637         and complex_ssa_name_components here.
10638
10639 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
10640
10641         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10642         revert to returning false.
10643
10644 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10645
10646         PR target/21149
10647         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10648
10649 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10650
10651         PR target/22576
10652         * config/i386/i386.md (cmpxf): Change operand constraints
10653         to "nonmemory_operand".
10654
10655 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10656
10657         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10658
10659 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10660
10661         PR middle-end/21180
10662         * fold-const.c (fold_build1): Add checksum for the operands.
10663         (fold_build2): Likewise.
10664         (fold_build3): Likewise.
10665
10666 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10667
10668         PR middle-end/19055
10669         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10670
10671 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10672
10673         * common.opt (-fforward-propagate): Committed by mistake,
10674         removed.
10675
10676 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10677
10678         * reg-stack.c: Fix comment typo(s).
10679         * tree-ssa-operands.c: Likewise.
10680         * tree-vectorizer: Likewise.
10681
10682 2005-07-21  Nick Clifton  <nickc@redhat.com>
10683
10684         * config/sh/symbian.c: Replace C++ style line comments with C
10685         style line comments.
10686         (symbian_add_attribute): Do not use a ? operator on the LHS of
10687         an assignment.
10688         (sh_symbian_handle_dll_attribute): Change the type of the
10689         method vector to "VEC(tree,gc)*" and use vector accessor
10690         macros to walk over the elements.
10691         (symbian_export_vtable_and_rtti_p): Likewise.
10692         (symbian_class_needs_attribute_p): Likewise.
10693
10694 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10695
10696         PR target/22085
10697         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10698         initialize targetm.resolve_overloaded_builtin here.
10699         (altivec_expand_overloaded_builtin): Make it non-static.
10700         * config/rs6000/rs6000-protos.h
10701         (altivec_expand_overloaded_builtin): New prototype.
10702         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10703         targetm.resolve_overloaded_builtin here.
10704         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10705
10706 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10707             Zdenek Dvorak  <dvorakz@suse.cz>
10708
10709         PR tree-optimization/19210
10710         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10711         New.
10712         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10713         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10714         rely on unproven assumptions.
10715         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10716         * tree-flow.h (number_of_iterations_exit): Add final parameter.
10717         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10718         to number_of_iterations_exit.
10719         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10720         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10721         * tree-ssa-loop-niter.c (find_loop_niter,
10722         estimate_numbers_of_iterations_loop): Likewise.
10723         (number_of_iterations_exit): Honor the new options.
10724         * doc/invoke.texi (Wunsafe-loop-optimizations,
10725         funsafe-loop-optimizations): Document them.
10726
10727 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
10728
10729         PR rtl-optimization/22167
10730         * gcse.c (hoist_code): Fix hoist_exprs[] check.
10731
10732 2005-07-20  Adam Nemet  <anemet@lnxw.com>
10733
10734         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10735         __do_global_dtors_aux longcall.
10736
10737 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
10738
10739         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10740         (old_special_pred_table): Don't reference
10741         SPECIAL_MODE_PREDICATES.
10742         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10743         * config/arc/arc.h: Don't mention PREDICATE_CODES.
10744         * config/sh/predicates.h: Don't mention
10745         SPECIAL_MODE_PREDICATES.
10746         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10747         Remove.
10748
10749 2005-07-20  DJ Delorie  <dj@redhat.com>
10750
10751         * config.gcc: Add m32c-elf support.
10752
10753         * doc/contrib.texi: Mention m32c.
10754         * doc/extend.texi: Document m32c extensions.
10755         * doc/install.texi: Mention m32c.
10756         * doc/invoke.texi: Document m32c options.
10757         * doc/md.texi: Document m32c constraints.
10758
10759         * config/m32c/addsub.md: New file.
10760         * config/m32c/bitops.md: New file.
10761         * config/m32c/cond.md: New file.
10762         * config/m32c/jump.md: New file.
10763         * config/m32c/m32c-lib1.S: New file.
10764         * config/m32c/m32c-lib2.c: New file.
10765         * config/m32c/m32c-modes.def: New file.
10766         * config/m32c/m32c-pragma.c: New file.
10767         * config/m32c/m32c-protos.h: New file.
10768         * config/m32c/m32c.abi: New file.
10769         * config/m32c/m32c.c: New file.
10770         * config/m32c/m32c.h: New file.
10771         * config/m32c/m32c.md: New file.
10772         * config/m32c/m32c.opt: New file.
10773         * config/m32c/minmax.md: New file.
10774         * config/m32c/mov.md: New file.
10775         * config/m32c/muldiv.md: New file.
10776         * config/m32c/predicates.md: New file.
10777         * config/m32c/prologue.md: New file.
10778         * config/m32c/shift.md: New file.
10779         * config/m32c/t-m32c: New file.
10780
10781 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10782
10783         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10784         (stack_protect_set, stack_protect_test): New expanders.
10785         (stack_protect_set_si, stack_protect_set_si_media,
10786         stack_protect_set_di_media, stack_protect_test_si,
10787         stack_protect_test_si_media, stack_protect_test_di_media):
10788         New insns.
10789
10790 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
10791
10792         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10793
10794 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
10795
10796         * tree.h (tree_expr_nonzero_p): Export.
10797         * fold-const.c (tree_expr_nonzero_p): Likewise.
10798         Return true for CALL_EXPRs that are alloca calls.
10799         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10800         against zero.
10801         * tree-flow.h (expr_computes_nonzero): Remove.
10802         * tree-vrp.c (expr_computes_nonzero): Remove.
10803         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10804         (extract_range_from_unary_expr): Likewise.
10805         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10806         tree_expr_nonzero_p.
10807
10808 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
10809
10810         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10811         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
10812         extra arg "picreg" and use it instead of pic_offset_table_rtx.
10813         All callers changed.
10814         (frame_related_constant_load): New arg "related" which controls
10815         setting of RTX_FRAME_RELATED_P.  All callers changed.
10816         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10817         (bfin_expand_prologue): Add stack limit checking.
10818         * config/bfin/bfin.md (trapifcc): New pattern.
10819
10820         * config/bfin/bfin.c: Include "langhooks.h".
10821         (def_builtin): Go through lang_hooks to call builtin_function.
10822
10823         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10824         * config/bfin/predicates.md (symbol_ref_operand): New.
10825         (call_insn_operand): Delete.  All callers changed to use
10826         register_no_elim_operand.
10827         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10828         call_cookie field.
10829         (function_arg): Use it to generate the call's operand 2.
10830         (bfin_longcall_p): New function.
10831         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
10832         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
10833         determine if the address needs to be in a REG.
10834         (bfin_handle_longcall_attribute): New function.
10835         (bfin_attribute_table): Add "longcall" and "shortcall".
10836         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10837         (CUMULATIVE_ARGS): New member call_cookie.
10838         (PREDICATE_CODES): Add symbol_ref_operand.
10839         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10840         extra USE to the pattern.
10841         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10842         New patterns, split off call_insn, sibcall_insn, call_value_insn and
10843         sibcall_value_insn; now the new patterns handle direct calls and the
10844         old ones indirect calls.
10845         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10846
10847 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
10848
10849         * doc/trouble.texi: Update section on handling of empty loops.
10850
10851 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
10852
10853         * config.gcc: Remove support for sparc-*-openbsd*,
10854         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10855         ns32k-*-netbsd*.
10856         * config.host: Remove support for i860-*-sysv4* as a host.
10857         * config/i860/*, config/ip2k/*, config/ns32k/*,
10858         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10859         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10860         mention obsolete ports.
10861
10862 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10863
10864         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10865         soft frame pointer.
10866         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10867         of frame_pointer_rtx.
10868         (sh_expand_epilogue): Likewise.
10869         (sh_set_return_address): Likewise.
10870         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10871         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
10872         offsets from FRAME_POINTER_REGNUM.
10873         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10874         (sh_register_names): Add initializer for sfp.
10875         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10876         (VALID_REGISTER_P): Likewise.
10877         (FIRST_PSEUDO_REGISTER): Update.
10878         (DWARF_FRAME_REGISTERS): Define.
10879         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10880         (HARD_FRAME_POINTER_REGNUM): Define.
10881         (FRAME_POINTER_REGNUM): Redefine.
10882         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10883         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
10884         from FRAME_POINTER_REGNUM.
10885         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10886         FRAME_POINTER_REGNUM.
10887         (REG_CLASS_CONTENTS): Add sfp.
10888         (REG_ALLOC_ORDER): Likewise.
10889         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10890         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10891         of frame_pointer_rtx.
10892         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10893
10894 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10895
10896         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10897         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10898         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10899         of an ABS_EXPR.
10900         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10901         ABS_EXPR<x>.
10902
10903 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10904
10905         Make CONSTRUCTOR use VEC to store initializers.
10906         * c-common.c (complete_array_type): Update to cope with VEC in
10907         CONSTRUCTOR_ELTS.
10908         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10909         (pp_c_constructor_elts): New function.
10910         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10911         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10912         struct constructor_stack, struct initializer_stack,
10913         constructor_elements, push_init_level, pop_init_level,
10914         add_pending_init, find_init_member, output_init_element): Update to
10915         cope with VEC in CONSTRUCTOR_ELTS.
10916         * coverage.c (build_fn_info_value, build_ctr_info_value,
10917         build_gcov_info): Likewise.
10918         * expr.c (categorize_ctor_elements_1, store_constructor,
10919         expand_expr_real_1): Likewise.
10920         * fold-const.c (fold_ternary): Likewise.
10921         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10922         gimplify_init_constructor, gimplify_expr): Likewise.
10923         * tree-dump.c (dequeue_and_dump): Likewise.
10924         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10925         node.
10926         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10927         CONSTRUCTOR_ELTS.
10928         * tree-sra.c (generate_element_init_1): Likewise.
10929         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10930         * tree-ssa-operands.c (get_expr_operands): Likewise.
10931         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10932         * tree-vect-transform.c (vect_get_vec_def_for_operand):
10933         (get_initial_def_for_reduction): Likewise.
10934         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10935         value handle in annotations.
10936         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10937         tree_node_structure): Add support for constr_kind.
10938         (build_vector_from_ctor, build_constructor_single,
10939         build_constructor_from_list): New functions.
10940         (build_constructor): Update to take a VEC instead of a TREE_LIST.
10941         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10942         Update to cope with VEC in CONSTRUCTOR_ELTS.
10943         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10944         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10945         CONSTRUCTOR_APPEND_ELT): New macros.
10946         (struct constructor_elt, struct tree_constructor): New data types.
10947         (union tree_node): Add tree_constructor field.
10948         * treestruct.def: Define TS_CONSTRUCTOR.
10949         * varasm.c (const_hash_1, compare_constant, copy_constant,
10950         compute_reloc_for_constant, output_addressed_constants,
10951         initializer_constant_valid_p, output_constant,
10952         array_size_for_constructor, output_constructor): Update to cope with
10953         VEC in CONSTRUCTOR_ELTS.
10954         * vec.h (VEC_empty, VEC_copy): New macros.
10955
10956 2005-07-19  Devang Patel  <dpatel@apple.com>
10957
10958         * dbxout.c (dbxout_type): Check Objective-C++ lang.
10959
10960 2005-07-19  Richard Henderson  <rth@redhat.com>
10961
10962         PR tree-opt/22278
10963         * gimplify.c (gimplify_expr): Use main variant type for the temp
10964         destination for a discarded volatile read.
10965         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10966         casts between non-void types that change volatility.
10967
10968 2005-07-15  DJ Delorie  <dj@redhat.com>
10969
10970         * toplev.h: Add comment about the first parameter for warning().
10971         * errors.h: Likewise.
10972
10973         * c.opt (Wpragmas): New.
10974         * doc/invoke.texi: Document it.
10975
10976         * function.c (do_warn_unused_parameter): Add warning control to
10977         warning call.
10978         * c-decl.c (warn_if_shadowing): Likewise.
10979         * c-lex.c (cb_def_pragma): Likewise.
10980         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10981         (pop_alignment): Likewise.
10982         (handle_pragma_pack): Likewise.
10983         (apply_pragma_weak): Likewise.
10984         (handle_pragma_weak): Likewise.
10985         (handle_pragma_redefine_extname): Likewise.
10986         (add_to_renaming_pragma_list): Likewise.
10987         (handle_pragma_extern_prefix): Likewise.
10988         (maybe_apply_renaming_pragma): Likewise.
10989         (handle_pragma_visibility): Likewise.
10990
10991         * config/c4x/c4x-c.c (BAD): Likewise.
10992         (c4x_parse_pragma): Likewise.
10993         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10994         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10995         (rs6000_pragma_longcall): Likewise.
10996         * config/v850/v850-c.c (pop_data_area): Likewise.
10997         (ghs_pragma_section): Likewise.
10998         (ghs_pragma_section): Likewise.
10999         (ghs_pragma_interrupt): Likewise.
11000         (ghs_pragma_starttda): Likewise.
11001         (ghs_pragma_startsda): Likewise.
11002         (ghs_pragma_startzda): Likewise.
11003         (ghs_pragma_endtda): Likewise.
11004         (ghs_pragma_endsda): Likewise.
11005         (ghs_pragma_endzda): Likewise.
11006
11007 2005-07-19  Danny Berlin <dberlin@dberlin.org>
11008             Kenneth Zadeck <zadeck@naturalbridge.com>
11009
11010         * Makefile.in: Removed tree-promote-statics.c
11011         * tree-promote-statics.c: Removed.
11012         * common.opt: Removed flag-promote-statics.
11013         * opts.c: Ditto.
11014         * passes.c: Removed tree-promote-statics pass.
11015         * tree-pass.h: Ditto.
11016         * timevar.def: Removed TV_PROMOTE_STATICS.
11017
11018
11019 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
11020
11021         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
11022         and *-*-freebsd9.
11023         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
11024
11025 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11026
11027         PR c/22476
11028         * c-common.c (check_function_arguments): Call
11029         'check_function_format' if either -Wformat or
11030         -Wmissing-format-attribute are specified.
11031         * c-format.c (check_function_format): Check -Wformat before
11032         calling 'check_format_info'.
11033         * c-opts.c (c_common_post_options): Don't warn for
11034         -Wmissing-format-attribute without -Wformat.
11035         * c-typeck.c (convert_for_assignment): Detect additional cases for
11036         -Wmissing-format-attribute.
11037         * doc/invoke.texi (-Wmissing-format-attribute): Document new
11038         behavior.
11039
11040 2005-07-19  Richard Guenther  <rguenther@suse.de>
11041
11042         * config/i386/i386.md (lrint<mode>2): Use temporary
11043         instead of clobbering non-existent memory.
11044
11045 2005-07-19  Nick Clifton  <nickc@redhat.com>
11046
11047         * config/avr/avr.c (legitimate_address_p): Fix debugging print
11048         statement to avoid displaying ASCII control characters.
11049
11050 2005-07-19  Ben Elliston  <bje@au.ibm.com>
11051
11052         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
11053         * cfganal.c (find_edge_index): Ditto.
11054         * combine.c (combine_instructions): Ditto.
11055         * ddg.c (create_scc): Ditto.
11056         (find_successors): Ditto.
11057         (find_predecessors): Ditto.
11058         (find_nodes_on_paths): Ditto.
11059         (longest_simple_path): Ditto.
11060         * flow.c (update_life_info): Ditto.
11061         (count_or_remove_death_notes): Ditto.
11062         (clear_log_links): Ditto.
11063         * modulo-sched.c (generate_reg_moves): Ditto.
11064         (find_max_asap): Ditto.
11065         (find_max_hv_min_mob): Ditto.
11066         (find_max_dv_min_mob): Ditto.
11067         * sbitmap.c (sbitmap_first_set_bit): Ditto.
11068         * sched-rgn.c (extract_edgelst): Ditto.
11069         * tree-into-ssa.c (prepare_names_to_update): Ditto.
11070         (dump_update_ssa): Ditto.
11071         (ssa_names_to_replace) Ditto.
11072         (switch_virtuals_to_full_rewrite): Ditto.
11073         (update_ssa): Ditto.
11074         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
11075
11076 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
11077
11078         Fix PR tree-optimization/22483
11079
11080         * tree-complex.c (create_components): Use
11081         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
11082         * tree-flow-inline.h (fill_referenced_var_vec): New function.
11083         * tree-flow.h (safe_referenced_var_iterator): New structure.
11084         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
11085         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
11086         safe_referenced_var iterator.
11087         (add_type_alias): Ditto.
11088
11089 2005-07-19  Steven Bosscher  <stevenb@suse.de>
11090
11091         * loop-init.c (rest_of_handle_loop2): Remove.
11092         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
11093         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
11094         (pass_rtl_loop_init, pass_rtl_loop_done,
11095         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
11096         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
11097         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
11098         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
11099         pass_tree_loop_done, and pass_tree_unswitch.
11100         (gate_loop): Rename to gate_tree_loop.
11101         * passes.c (init_optimization_passes): Update for renamed tree
11102         loop passes.  Add the new loop2 passes as subpasses of loop2.
11103         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
11104         Update for the renamed tree loop passes.
11105
11106 2005-07-18  Ian Lance Taylor  <ian@airs.com>
11107
11108         PR middle-end/22057
11109         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
11110         blocks when optimizing.
11111
11112 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
11113
11114         * common.opt (frename-registers): Initialize to 2.
11115         (fweb): Ditto.
11116         (fgcse-after-reload): Ditto.
11117         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
11118         (process_options): Only change flag_web, flag_rename_registers,
11119         and flag_rerun_cse_after_loop if not explicitly set by user.
11120
11121 2005-07-18  Jan Beulich  <jbeulich@novell.com>
11122
11123         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
11124         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
11125         in 64-bit mode the same as DImode in 32-bit mode.
11126         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
11127         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
11128         mode. Add new mode parameter.
11129         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
11130         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
11131         x86_64_shift_adj): New expanders.
11132         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
11133         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
11134         insns.
11135         Respective new splitters. Use renamed shift splitter helpers in 32-bit
11136         DImode shift splitters.
11137         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
11138         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
11139         mode parameter.
11140
11141 2005-07-18  Jan Beulich  <jbeulich@novell.com>
11142
11143         * i386.md (movdi_extzv_1): New.
11144         (zero_extendhidi2): Combine alternatives and never force use of
11145         REX64 prefix.
11146         (zero_extendqidi2): Likewise. Don't restrict input selection.
11147
11148 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11149
11150         Fix PR tree-optimization/22531
11151         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
11152          moment.
11153
11154 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11155
11156         * tree-promote-statics.c (pass_promote_statics): Change dump file
11157          name.
11158
11159 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11160
11161         * tree-optimize.c (init_tree_optimization_passes): Add
11162         pass_eliminate_useless_stores pass.
11163         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
11164         * tree-ssa-pre.c (is_copy_stmt): New function.
11165         (follow_copies_till_vuse): Ditto.
11166         (do_eustores): Ditto.
11167         (gate_eustores): Ditto.
11168
11169 2005-07-16  Richard Henderson  <rth@redhat.com>
11170
11171         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
11172
11173 2005-07-16 Danny Berlin <dberlin@dberlin.org>
11174            Kenneth Zadeck <zadeck@naturalbridge.com>
11175
11176         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
11177         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
11178         ipa-type-escape.h, tree-promote-statics.c
11179         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
11180         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
11181         tree-promote-statics.c: new files.
11182         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
11183         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
11184         int nonlocal_set_p, mark_constant_function): Deleted.
11185         (rest_of_handle_cfg): Removed call to mark_constant_function.
11186         (nonoverlapping_component_refs_p): Added calls to support
11187         type based aliasing.
11188         * tree-ssa-alias.c (may_alias_p,
11189         compute_flow_insensitive_aliasing): Ditto.
11190         * calls.c (flags_from_decl_or_type): Removed reference to
11191         cgraph_rtl_info.
11192         * c-typeck.c (convert_arguments): Make builtins tolerant of having
11193         too many arguments.  This is necessary for Spec 2000.
11194         * cgraph.h (const_function, pure_function): Removed.
11195         * common.opt: Added "fipa-pure-const", "fipa-reference",
11196         "fipa-type-escape", and "ftree-promote-static".
11197         * opts.c: Ditto.
11198         * passes.c: Added ipa and tree-promote-statics passes.
11199         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
11200         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
11201         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
11202         * tree-flow.h: Added exposed sra calls and addition of
11203         reference_vars_info field for FUNCTION_DECLS.
11204         * tree-pass.h: Added passes.
11205         * tree-sra.c: (sra_init_cache): New function.
11206         (sra_insert_before, sra_insert_after) Made public.
11207         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
11208         and made public.
11209         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
11210         aliasing. (may_alias_p): Added code to use type escape analysis to
11211         improve alias sets.
11212         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
11213         code to prune clobbers of static variables based on information
11214         produced in ipa-reference pass.  Changed call clobbering so that
11215         statics are not marked as clobbered if the call does not clobber
11216         them.
11217
11218 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
11219
11220         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
11221         too.
11222
11223 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
11224
11225         * doc/install.texi (*-*-solaris2*): Document recommended version
11226         of GNU binutils and mention GNU linker problem on Solaris 10.
11227
11228 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
11229
11230         PR c/22421
11231         * c-decl.c (c_build_bitfield_integer_type): New function.
11232         (finish_struct): Call it.
11233         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
11234
11235 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11236
11237         * c-typeck.c (digest_init): Call 'convert_for_assignment'
11238         before returning.
11239
11240 2005-07-16  Jan Hubicka  <jh@suse.cz>
11241
11242         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
11243         (scale_bbs_frequencies_int): Watch roundoff errors.
11244         * predict.c (return_prediction): Initialize return_stmt.
11245
11246 2005-07-16  Jan Hubicka  <jh@suse.cz>
11247
11248         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
11249         after RTL profiling.
11250
11251 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
11252
11253         PR middle-end/22398
11254         * fold-const.c (build_range_check): Convert high/low to etype
11255         if we are only comparing against exp.
11256
11257 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
11258
11259         Fix PR tree-optimization/22376
11260         * tree-ssa-structalias.c (build_constraint_graph): We really meant
11261         special var here.
11262         (need_to_solve): New function.
11263         (compute_points_to_sets): Use it.
11264
11265 2005-07-15  Jan Hubicka  <jh@suse.cz>
11266
11267         * cfg.c (update_bb_profile_for_threading): More diagnostic.
11268         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
11269
11270 2005-07-15  Richard Guenther  <rguenther@suse.de>
11271
11272         * c-common.c (handle_flatten_attribute): New function.
11273         Add flatten function attribute.
11274         * doc/extend.texi: Document flatten function attribute.
11275         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
11276         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
11277         New functions.
11278         (cgraph_decide_inlining): Handle functions with flatten
11279         attribute.
11280
11281 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
11282
11283         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
11284         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
11285         UNSPEC_XCHG, UNSPEC_AND): New.
11286         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
11287         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
11288         * config/rs6000/sync.md (FETCHOP): New code macro.
11289         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
11290         New code attrs.
11291         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
11292         (sync_compare_and_swap<mode>): Same.
11293         (sync_lock_test_and_set<mode>): Same.
11294         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
11295         for QImode and HImode, and not PPC405.
11296         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
11297         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
11298         (sync_<fetchop>{si,di}_internal): New.
11299         (sync_nand{si,di}_internal): New.
11300         (sync_old_<fetchop>{si,di}_internal): New.
11301         (sync_old_nand{si,di}_internal): New
11302         (sync_new_<fetchop>{si,di}_internal): New.
11303         (sync_new_nand{si,di}_internal): New.
11304         (atomic_and{si,di}): New.
11305         (sync_new_nand{si,di}_internal): New.
11306         (atomic_and{si,di}): New.
11307         (sync_add<mode>_internal): Delete.
11308         (sync_addshort_internal): Use unspec instead of unspec_volatile.
11309         (sync_sub<mode>_internal): Delte.
11310         (sync_subshort_internal): New.
11311         (sync_andsi_internal): Use unspec instead of unspec_volatile.
11312         (sync_anddi_internal): Delete.
11313         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
11314         (sync_booldi_internal): Delete.
11315         (sync_boolc<mode>_internal): Delete.
11316         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
11317         (sync_boolc<mode>_internal2): Delete.
11318         (sync_boolcc<mode>_internal): Delete.
11319         (isync, lwsync): Use unspec instead of unspec_volatile.
11320         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
11321         Revert UNSPEC_VOLATILE.
11322         (rs6000_split_atomic_op): New.
11323         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
11324
11325 2005-07-14  Eric Christopher  <echristo@redhat.com>
11326
11327         * config/mips/mips.c (mips_canonicalize_comparison): Cast
11328         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
11329
11330 2005-07-14  Eric Christopher  <echristo@redhat.com>
11331
11332         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
11333
11334 2005-07-14  Steven Bosscher  <stevenb@suse.de>
11335
11336         PR tree-optimization/22230
11337         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
11338         the computation of the four cross productions for "range op range".
11339
11340 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
11341             Ulrich Weigand  <uweigand@de.ibm.com>
11342
11343         PR target/20126
11344         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
11345         in some insn.
11346
11347 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
11348
11349         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
11350
11351 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
11352
11353         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
11354
11355 2005-07-14  Richard Guenther  <rguenther@suse.de>
11356
11357         PR middle-end/22347
11358         * config/i386/i386-protos.h (ix86_function_value): Change
11359         prototype to match new target hook.
11360         * config/i386/i386.c (ix86_value_regno): Change prototype
11361         to take extra type argument.
11362         (TARGET_FUNCTION_VALUE): Define.
11363         (ix86_function_ok_for_sibcall): Pass extra argument to
11364         ix86_value_regno, check return slot rtx for exact match.
11365         (ix86_function_value): Take extra parameter.  Dispatch to
11366         ix86_value_regno with fndecl/fntype as provided.
11367         (ix86_value_regno): Handle extra type argument.
11368         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
11369
11370         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
11371         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
11372         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
11373         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
11374         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
11375
11376 2005-07-14  Richard Guenther  <rguenther@suse.de>
11377
11378         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
11379         * calls.c (expand_call): Pass fntype to hard_function_value.
11380         (emit_library_call_value_1): Likewise.
11381         * explow.c: Include target.h.
11382         (hard_function_value): Take extra argument, the fntype.
11383         Use new target hook for function_value.
11384         * expr.h (hard_function_value): Change prototype.
11385         * function.c (aggregate_value_p): Pass 0 as fntype to
11386         hard_function_value.
11387         (assign_parms): Use new target hook for function_value.
11388         Pass 0 as fntype to hard_function_value.
11389         (expand_function_end): Likewise.
11390         * reg-stack.c: Include target.h.
11391         (stack_result): Use new target hook for function_value.
11392         * target-def.h: New target hook function_value.
11393         * target.h: Likewise.
11394         * targhooks.c (default_function_value): New function.
11395         * targhooks.h (default_function_value): Declare.
11396
11397 2005-07-13  Ian Lance Taylor  <ian@airs.com>
11398
11399         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11400
11401 2005-07-14  Jan Hubicka  <jh@suse.cz>
11402
11403         * tree-dfa.c (dump_variable): Use default_def function.
11404         * tree-ssa-alias.c (dump_points_to_info): Likewise.
11405         * tree-ssa.c (verify_use): Likewise.
11406         * tree-ssanames.c (release_ssa_name): Likewise.
11407         * tree-tailcall.c (eliminate_tail_call): Likewise.
11408         (tree_optimize_tail_calls_1): Likewise.
11409         * tree-vrp.c (get_value_range): Likewise.
11410
11411 2005-07-14  Ben Elliston  <bje@au.ibm.com>
11412
11413         * gcc.c (main): Compare language[0] with '*' when iterating over
11414         the infiles.
11415
11416 2005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11417
11418         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11419         "s390_emit_compare".  Add handling of CCZ1mode.
11420         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11421         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11422         checking.
11423         (s390_branch_condition_mask): Add CCZ1mode handling.
11424         * config/s390/s390.md: ("seq", "*seq"): New pattern.
11425         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11426         Use CCZ1mode instead of CCZmode.
11427         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
11428
11429 2005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11430
11431         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11432         pattern.
11433         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11434
11435 2005-07-13  Eric Christopher  <echristo@redhat.com>
11436
11437         * config/mips/mips.c (mips_canonicalize_comparison): New.
11438         (mips_emit_int_relational): Use.
11439
11440 2005-07-13  Eric Christopher  <echristo@redhat.com>
11441
11442         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11443         static extra parts.
11444         * config/s390/s390.md: Include tpf.md. Move tpf specific
11445         patterns...
11446         * config/s390/tpf.md: To here.
11447         * config/s390/s390.opt: Move tpf specific options...
11448         * config/s390/tpf.opt: to here. Add mmain option.
11449         * config/s390/tpf-unwind.h: Remove unnecessary defines.
11450         * config/s390/tpf.h: Rewrite.
11451
11452 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11453
11454         * doc/tm.texi: Remove @xref{Cross-profiling}.
11455
11456 2005-07-13  Jeff Law  <law@redhat.com>
11457
11458         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11459         expressions, test their _DECL operands for pointer equality rather
11460         than using operand_equal_p.
11461
11462 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11463
11464         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11465         (TARGET_POSIX_IO): This.
11466         * config/darwin.h: Likewise.
11467         * config/freebsd.h: Likewise.
11468         * config/linux.h: Likewise.
11469         * config/lynx.h: Likewise.
11470         * config/netbsd.h: Likewise.
11471         * config/rs6000/linux64.h: Likewise.
11472         * config/rs6000/linux.h: Likewise.
11473         * config/s390/tpf.h: Likewise.
11474         * config/sh/embed-elf.h: Likewise.
11475         * config/sparc/linux64.h: Likewise.
11476         * config/sparc/linux.h: Likewise.
11477         * config/svr4.h: Likewise.
11478         * gcov-io.h: Likewise.
11479
11480         * doc/tm.texi: Updated.
11481
11482         * libgcov.c (create_file_directory): Defined only if
11483         TARGET_POSIX_IO is defined.
11484         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11485         is defined.
11486
11487 2005-07-13  Jan Hubicka  <jh@suse.cz>
11488
11489         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11490
11491 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
11492
11493         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11494         structure as argument.
11495
11496 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
11497
11498         PR tree-optimization/21921
11499         * tree-iterator.c (tsi_link_before): Support the case when
11500         tsi_end_p (tsi) == true.
11501
11502 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11503
11504         PR tree-optimization/22442
11505         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11506         correctly.
11507
11508 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11509
11510         PR rtl-optimization/20376
11511         * toplev.c (process_options): Enable -fweb and -frename-registers when
11512         unrolling.
11513         * doc/invoke.texi: Update the information about when -fweb and
11514         -frename-registers are enabled.
11515
11516 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11517
11518         PR tree-opt/21840
11519         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11520         if *rhs_p is not a SSA_NAME.
11521
11522 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
11523
11524         Fix PR tree-optimization/22422
11525         * tree-ssa-structalias.c (struct variable_info): Add flag for
11526         special vars.
11527         (get_varinfo): Now a static function.
11528         (new_varinfo): init has_union and is_special_var to false.
11529         (solution_set_add): Check has_union.
11530         (do_da_constraint): Move temporary variable so it gets reset
11531         properly.
11532         Also check for special variable.
11533         (do_ds_constraint): Ditto.
11534         (do_sd_constraint): Ditto.
11535         (do_structure_copy): Check for special variable.
11536         (find_func_aliases): Ditto.
11537         (init_base_vars): Set special vars properly.
11538
11539 2005-07-13  Jan Hubicka  <jh@suse.cz>
11540
11541         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11542         do unit-at-a-time.
11543
11544         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11545         (get_expr_operands): Fix thinko wrt flags and subvars.
11546
11547         PR tree-optimize/22379
11548         * tree-inline.c (expand_call_inline): Do not output sorry in early
11549         inlining.
11550
11551 2005-07-12  Dale Johannesen  <dalej@apple.com>
11552
11553         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
11554
11555 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11556
11557         PR bootstrap/21704
11558         * host-linux.h: Include limits.h.
11559
11560 2005-07-12  Dale Johannesen  <dalej@apple.com>
11561
11562         * expr.c (compress_float_constant):  Add cost check.
11563         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
11564
11565 2005-07-12  Dale Johannesen  <dalej@apple.com>
11566
11567         * gcc.target/i386/compress-float-sse.c:  New.
11568         * gcc.target/i386/compress-float-sse-pic.c:  New.
11569         * gcc.target/i386/compress-float-387.c:  New.
11570         * gcc.target/i386/compress-float-387-pic.c:  New.
11571         * gcc.dg/compress-float-ppc.c:  New.
11572         * gcc.dg/compress-float-ppc-pic.c:  New.
11573
11574 2005-07-12  Eric Christopher  <echristo@redhat.com>
11575
11576         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11577         static extra parts.
11578         * config/s390/s390.md: Include tpf.md. Move tpf specific
11579         patterns...
11580         * config/s390/tpf.md: To here.
11581         * config/s390/s390.opt: Move tpf specific options...
11582         * config/s390/tpf.opt: to here. Add mmain option.
11583         * config/s390/tpf-unwind.h: Remove unnecessary defines.
11584         * config/s390/tpf.h: Rewrite.
11585
11586 2005-07-12  Eric Christopher  <echristo@redhat.com>
11587
11588         * gcc.c (struct infile): Update comment for language.
11589         (main): Rewrite input file resetting code.
11590
11591 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11592
11593         PR tree-opt/22335
11594         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11595         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
11596         (lookup_avail_expr): Use constant_boolean_node instead
11597         of boolean_false_node/boolean_true_node.
11598
11599 2005-07-12  Ben Elliston  <bje@au.ibm.com>
11600
11601         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11602         and use it when printing num_edges.
11603
11604 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
11605
11606         * doc/extend.texi (Blackfin Built-in Functions): New section.
11607         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11608         @opindex.
11609
11610 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
11611
11612         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11613         s/cmpstrsi/cmpstrnsi
11614         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11615         'cmpstrnsi'.
11616         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11617         (init_optabs): Initialize cmpstrn_optab.
11618         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11619         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11620         * expr.c: (enum insn_code cmpstrn_optab): Declare.
11621         * config/i386/i386.md: s/cmpstr/cmpstrn
11622         * config/c4x/c4x.md: s/cmpstr/cmpstrn
11623         * doc/md.texi: Update documentation.
11624
11625 2005-07-11  Richard Henderson  <rth@redhat.com>
11626
11627         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11628         build_va_arg_indirect_ref.
11629         (alpha_gimplify_va_arg): Likewise.
11630         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11631         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11632         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11633         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11634         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11635         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11636         Likewise.
11637         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11638
11639 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11640
11641         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11642         * passes.c (init_optimization_passes): Add pass_empty_loop.
11643         * tree-pass.h (pass_empty_loop): Declare.
11644         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11645         try_remove_empty_loop, remove_empty_loops): New functions.
11646         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11647         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11648
11649 2005-07-12  Peter Barada  <peter@the-baradas.com>
11650
11651         PR middle-end/16719
11652         PR middle-end/18421
11653         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11654         in address registers.
11655         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11656         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11657         alternative of addsi3_5200.
11658
11659 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11660
11661         * config/mips/mips.md (ffs<mode>2): Remove.
11662
11663 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11664
11665         * doc/tree-ssa.texi (Cleanups): Improve description of
11666         TRY_FINALLY_EXPR.
11667         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11668
11669 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11670
11671         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11672         * tree.h (DECL_ARGUMENT_FLD): New macro.
11673
11674 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11675
11676         Fix PR tree-optimization/22404
11677
11678         * tree-ssa-structalias.c (create_variable_info_for): Use
11679         correct offset.
11680
11681 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
11682
11683         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11684         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11685         for second comparison operand.
11686         * config/bfin/predicates.md (reg_or_const_int_operand): New.
11687
11688         * config/bfin/bfin.md (define_attr "type"): Add "sync".
11689         (define_insn_reservation "alu"): Likewise.
11690         (csync, ssync): Now of type sync.
11691         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11692         -mcsync-anomaly -mspecld-anomaly.
11693         * config/bfin/bfin.opt (mcsync): Remove.
11694         (mcsync-anomaly, mspecld-anomaly): Add.
11695         * config/bfin/bfin.c: Include "insn-codes.h".
11696         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11697         (TARGET_DEFAULT_TARGET_FLAGS): New.
11698         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11699
11700 2005-07-11  Steven Bosscher  <stevenb@suse.de>
11701
11702         * basic-block.h: Give the BB flags enum a name, bb_flags.
11703         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11704         * cfgcleanup.c (enum bb_flags): Remove here.
11705         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11706         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11707         (update_forwarder_flag): Likewise.
11708         (thread_jump): Likewise.
11709         (try_forward_edges): Likewise.
11710         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
11711         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
11712         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11713
11714 2005-07-11  Richard Guenther  <rguenther@suse.de>
11715
11716         * config/i386/i386.opt: New target option -msseregparm.
11717         * config/i386/i386.c (override_options): Error out for
11718         -msseregparm but no SSE support.
11719         (ix86_function_sseregparm): Check for global sseregparm.
11720         * doc/invoke.texi: Document -msseregparm.
11721
11722 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11723
11724         * config.gcc (m32r-*-linux*): Use the default extra_parts.
11725         (m32rle-*-linux*): Ditto.
11726
11727 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
11728
11729         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11730         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11731         bytes.
11732
11733 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11734
11735         PR middle-end/22239
11736         PR target/20126
11737         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11738         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11739
11740 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
11741
11742         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11743         (varmap): Heapify varmap.
11744         (constraints): Heapify constraints.
11745         (struct constraint_graph): Heapify succs and preds.
11746         (constraint_vec_find): Update for heapification.
11747         (constraint_set_union): Ditto.
11748         (insert_into_complex): Ditto.
11749         (constraint_edge_vec_find): Ditto.
11750         (erase_graph_self_edge): Ditto.
11751         (add_graph_edge): Ditto.
11752         (get_graph_weights): Ditto.
11753         (merge_graph_nodes): Ditto.
11754         (build_constraint_graph): Ditto.
11755         (topo_visit): Ditto.
11756         (solve_graph): Ditto.
11757         (create_variable_info_for): Ditto.
11758         (init_base_vars): Ditto.
11759         (delete_points_to_sets): Free graph, varmap, and complex constraints.
11760         (condese_varmap_nodes): Free complex vector.
11761         (clear_edges_for_node): Clear succs and preds vector.
11762
11763 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11764
11765         * tree-ssa-structalias.c (update_alias_info): Change counting of
11766         references to not include vdefs.
11767
11768 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11769
11770         * tree-ssa-alias.c (free_used_part_map): Add missing free.
11771         (up_insert): Ditto.
11772
11773 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11774
11775         * pa.c (pa_commutative_p): Make PLUS commutative when
11776         TARGET_NO_SPACE_REGS is true.
11777
11778 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11779
11780         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11781         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11782         * tree-dfa.c (dump_subvars_for): New.
11783         (debug_subvars_for): New.
11784         (dump_variable): Show subvariables if VAR has them.
11785         * tree-flow-inline.h (get_subvar_at): New.
11786         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11787         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11788         Update all users.
11789         (struct subvar): Change fields offset and size to unsigned
11790         HOST_WIDE_INT.
11791         (dump_subvars_for): Declare.
11792         (debug_subvars_for): Declare.
11793         (get_subvar_at): Declare.
11794         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11795         to unsigned HOST_WIDE_INT *.
11796         (overlap_subvar): Likewise.
11797         * tree-gimple.c (is_gimple_reg): Always return false for
11798         SFTs and memory tags.
11799         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11800         Update all callers.
11801         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11802         (compute_may_aliases): Call compute_points_to_sets.
11803         (collect_points_to_info_for): Remove.
11804         (compute_points_to_and_addr_escape): Remove.
11805         (delete_alias_info): Call delete_points_to_sets.
11806         (compute_flow_sensitive_aliasing): If the call to
11807         find_what_p_points_to returns false, call set_pt_anything.
11808         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11809         (set_pt_anything): Clear pi->pt_vars.
11810         (set_pt_malloc): Remove.
11811         (merge_pointed_to_info): Remove.
11812         (add_pointed_to_expr): Remove.
11813         (add_pointed_to_var): Remove.
11814         (collect_points_to_info_r): Remove.
11815         (is_escape_site): Make extern.
11816         (create_sft): New.
11817         (create_overlap_variables_for): Call it.
11818         * tree-ssa-copy.c (merge_alias_info): Never merge
11819         flow-sensitive alias information.
11820         * tree-ssa-operands.c (get_expr_operands): Adjust variables
11821         offset and size to be unsigned HOST_WIDE_INT.
11822         (add_to_addressable_set): Rename from note_addressable.
11823         Set TREE_ADDRESSABLE as the variables are added to the set.
11824         Update all users.
11825         (add_stmt_operand): Do not try to micro-optimize unmodifiable
11826         operands into VUSEs when adding V_MAY_DEFs for members in an
11827         alias set.
11828         * tree-ssa-operands.h (add_to_addressable_set): Declare.
11829         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11830         (struct variable_info): Add bitfield is_heap_var.
11831         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11832         (new_var_info): Initialize is_heap_var.
11833         (get_constraint_for): Add HEAP variables to the symbol table.
11834         Mark them with is_heap_var.
11835         (update_alias_info): New.  Taken mostly from the old
11836         compute_points_to_and_addr_escape.
11837         (handle_ptr_arith): New.
11838         (find_func_aliases): Call update_alias_info.
11839         Call handle_ptr_info for tcc_binary expressions.
11840         Call mark_stmt_modified.
11841         (create_variable_info_for): If DECL has subvars, do not create
11842         variables for its subvars.  Always add all the fields.
11843         (set_uids_in_ptset): If the solution includes ANYOFFSET and
11844         SFTs, then add all the SFTs of the structure.
11845         If VI->DECL is an aggregate with subvariables, add the SFT at
11846         VI->OFFSET.
11847         (find_what_p_points_to): If VI is an artificial variable,
11848         translate to bitfields in SSA_NAME_PTR_INFO.
11849         If the solution is empty, set pi->pt_vars to NULL
11850         (init_base_vars): Create ANYOFFSET.
11851         (compute_points_to_sets): Rename from create_alias_vars.
11852         Make extern.
11853         (pass_build_pta): Remove.
11854         (delete_points_to_sets): Rename from delete_alias_vars.
11855         (pass_del_pta): Remove.
11856         * tree-ssa-structalias.h (struct alias_info): Move from
11857         tree-ssa-alias.h.
11858         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11859         NUM_REFERENCES_SET): Likewise.
11860         (compute_points_to_sets, delete_points_to_sets): Declare.
11861
11862 2005-07-09  Richard Henderson  <rth@redhat.com>
11863
11864         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11865         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11866         alpha_split_lock_test_and_set_12): New functions.
11867         * config/alpha/alpha-protos.h: Update.
11868         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11869         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11870         * config/alpha/sync.md (I12MODE): New.
11871         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11872         (sync_<fetchop_name><I48MODE>): Likewise.
11873         (sync_nand<I48MODE>): Likewise.
11874         (sync_old_<fetchop_name><I48MODE>): Likewise.
11875         (sync_new_<fetchop_name><I48MODE>): Likewise.
11876         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11877         (sync_compare_and_swap<I48MODE>): Likewise.
11878         (sync_lock_test_and_set<I48MODE>): Likewise.
11879         (sync_compare_and_swap<I12MODE>): New.
11880         (sync_compare_and_swap<I12MODE>_1): New.
11881         (sync_lock_test_and_set<I12MODE>): New.
11882         (sync_lock_test_and_set<I12MODE>_1): New.
11883
11884 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11885
11886         PR 21356
11887         PR 22332
11888         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11889
11890 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11891
11892         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11893         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11894
11895 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11896
11897         PR target/21656
11898         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11899
11900 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11901
11902         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11903         memory_operand constraint.
11904         (store_conditional_<mode>): Same.
11905         (sync_compare_and_swap<mode>): Same.
11906         (sync_lock_test_and_set<mode>): Same.
11907
11908 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11909
11910         Rewrite PIC support to more closely model actual instructions.
11911         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11912         (cris_symbol): Remove prototypes for removed functions.
11913         (cris_pic_symbol_type_of, cris_valid_pic_const)
11914         (cris_expand_pic_call_address): Prototypes for new functions.
11915         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11916         variable.
11917         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11918         modifiers.
11919         <case ':'>: Add case for new punctuation character.
11920         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11921         emitting (extra) PIC modifier.
11922         <case UNSPEC>: Do not assert for PLT.
11923         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11924         (cris_expand_prologue, cris_expand_epilogue): Check
11925         for pic_offset_table_rtx usage instead of taking
11926         current_function_uses_pic_offset_table as the final word.
11927         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11928         Remove flag_pic difference.
11929         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11930         the moral equivalents of...
11931         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11932         functions.
11933         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11934         (cris_handle_option): Mark ARG as unused.
11935         (cris_expand_pic_call_address): New worker function for "call",
11936         "call_value".
11937         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11938         output PIC constructs here.
11939         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11940         as symbol-specific modifers, not whole or part of operands.
11941         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11942         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11943         constants and flag_pic.
11944         (CONSTANT_INDEX_P): Adjust for new functions.
11945         (enum cris_pic_symbol_type): New helper type.
11946         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11947         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11948         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11949         define_constants.
11950         ("movsi"): Emit actual instructions for GOT and relative access.
11951         ("*movsi_got_load"): New pattern to set up the register holding
11952         the GOT pointer.
11953         ("*movsi_internal"): Operand 1 is not a plain general_operand.
11954         Adjust FIXME for 'S'.
11955         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11956         Use "movs" for -fpic cases.
11957         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11958         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11959         ("call", "call_value"): Just call cris_expand_pic_call_address for
11960         PIC addresses.
11961         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11962         Remove special pattern.
11963         ("*expanded_call_side", "*expanded_call_value_side"): New
11964         patterns.
11965         (gotplt-to-plt, gotplt-to-plt-side-call)
11966         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11967         peephole2:s.
11968         * config/cris/cris/predicates.md
11969         ("cris_general_operand_or_gotless_symbol"): Remove unused
11970         predicate.
11971         ("cris_general_operand_or_symbol"): Adjust for new functions.
11972
11973 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11974
11975         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11976
11977 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
11978
11979         * Makefile.in (TREE_H): Add treestruct.def.
11980         (c-decl.o): Add pointer-set.h
11981         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11982         visibility on regular DECL's.
11983         (merge_decls): Fix the copying of decl nodes of various types for
11984         the new structures.  Don't update RTL, section name, weak status,
11985         etc, on DECL's without RTL.
11986         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11987         Don't check volatile on non-variable types.
11988         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11989         to check whether we have seen arguments.
11990         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11991         flag is checked before field (flag is common, field is not).
11992         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
11993         TS_DECL_COMMON could have an origin.
11994         (add_location_or_const_value_attribute): Don't check section name
11995         on non-var/function decls.
11996         (dwarf2out_var_location): Reverse order of tests.
11997         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11998         with DECL_WRTL_CHECK.
11999         * expmed.c (make_tree): rtl is now in decl_with_rtl.
12000         * fold-const.c (fold_binary): Don't check weakness on
12001         non-var/function decls.
12002         (tree_expr_nonzero_p): Ditto.
12003         (fold_checksum_tree): Use tree_decl_extra as sizeof
12004         buffer.
12005         * ggc-page.c (extra_order_size_table): Add sizes for
12006         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
12007         tree_field_decl.
12008         * gimplify.c (gimplify_bind_expr): Only set
12009         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
12010         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
12011         without RTL.
12012         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
12013         * langhooks.h (init_ts). New langhook.
12014         * passes.c (rest_of_decl_compilation): Reverse order of tests.
12015         * print-tree.c (print_node): Update to only print fields that
12016         exist in the structures the passed decl has.
12017         * toplev.c (wrapup_global_declarations): Don't reset
12018         DECL_DEFER_OUTPUT on DECL's that don't contain it.
12019         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
12020         * tree-inline.c (remap_decl): Ditto.
12021         * tree-outof-ssa.c (create_temp): Reverse order of tests.
12022         * tree-pretty-print.c (print_declaration): Don't print
12023         DECL_REGISTER on things that don't contain it.
12024         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
12025         non-var/function decls.
12026         * tree.c (tree_contains_struct): New structure.
12027         (init_priority_for_decl): New hashtable.
12028         (tree_int_map): New structure.
12029         (tree_int_map_eq): New function.
12030         (tree_int_map_marked_p): Ditto.
12031         (tree_int_map_hash): Ditto.
12032         (tree_map): Move to tree.h.
12033         (tree_map_eq): Externalize.
12034         (tree_map_hash): Ditto.
12035         (tree_map_marked_p): Ditto.
12036         (init_ttree): Set up tree_contains_struct and call langhook.
12037         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
12038         (tree_code_size): Update for new structures.
12039         (tree_node_structure): Update for new structures.
12040         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
12041         without the field.
12042         (copy_node_stat):  Copy init priority.
12043         (build_decl_stat): Ditto for visibility.
12044         (ts_enum_names): New.
12045         (tree_contains_struct_check_failed): New function.
12046         (decl_init_priority_lookup): Ditto.
12047         (decl_init_priority_insert): Ditto.
12048         * treestruct.def: New file.
12049         * tree.h (CODE_CONTAINS_STRUCT): New macro.
12050         (CONTAINS_STRUCT_CHECK): Ditto.
12051         (tree_contains_struct_check_failed): New prototype.
12052         (DECL_CHECK): Removed.
12053         (DECL_MINIMAL_CHECK): New.
12054         (DECL_COMMON_CHECK): Ditto.
12055         (DECL_WRTL_CHECK): Ditto.
12056         (DECL_NON_COMMON_CHECK): Ditto.
12057         (DECL_WITH_VIS_CHECK): Ditto.
12058         (VAR_OR_FUNCTION_DECL_P): Ditto
12059         (struct tree_decl_minimal): New structure.
12060         (struct tree_decl_common): Ditto.
12061         (struct tree_decl_with_rtl): Ditto.
12062         (struct tree_decl_with_vis): Ditto.
12063         (struct tree_decl_non_common): Ditto.
12064         (struct tree_field_decl): Ditto.
12065         (struct tree_parm_decl): Ditto.
12066         (struct tree_var_decl): Ditto.
12067         (struct tree_function_decl): Ditto.
12068         (struct tree_const_decl): Ditto.
12069         (struct tree_result_decl): Ditto.
12070         (union tree_node): Add new structures.
12071         * var-tracking.c (track_expr_p): Reverse order of tests.
12072
12073         * doc/c-tree.texi: Add documentation on DECL node internal structure.
12074
12075 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
12076
12077         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
12078         * system.h: Poison FINALIZE_PIC.
12079         * doc/tm.texi (FINALIZE_PIC): Remove.
12080
12081 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12082
12083         PR tree-opt/22329
12084         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
12085         to the correct type if we have a MODIFY_EXPR.
12086
12087 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
12088
12089         PR tree-optimization/22360
12090         * tree.c (upper_bound_in_type): Fix calculations for casting
12091         to a non-wider signed type and casting a signed value to a
12092         wider unsigned type.
12093         (lower_bound_in_type): Fix calculations for casting to a
12094         non-wider signed type.
12095
12096         PR tree-optimization/20139
12097         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
12098         release_defs.
12099         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
12100         fold_cond_expr_cond.
12101         * tree-ssanames.c (release_defs): Assert in_ssa_p.
12102         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
12103
12104 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12105
12106         PR tree-opt/22356
12107         * tree-complex.c (expand_complex_libcall): Produce
12108         REALPART_EXPR/IMAGPART_EXPR with the correct type.
12109
12110 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
12111
12112         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
12113         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
12114         b" assert and inserted fastpath code for this case.
12115         (bitmap_ior): Removed "a != b" assert.
12116
12117 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
12118
12119         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
12120         (ENDFILE_SPEC): Likewise.
12121         * config/m32r/m32r.h (ASM_SPEC): Likewise.
12122
12123         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
12124         a large stack frame at epilogue.
12125
12126 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
12127
12128         * final.c: Include sdbout.h when required.
12129
12130 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
12131
12132         * config.gcc (*-*-darwin*): Only one target-specific header file
12133         for generic darwin.
12134         (powerpc-*-darwin*): Add version-specific header files.
12135         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
12136         * config.in: Regenerate.
12137         * configure: Regenerate.
12138         * gcc.c: Include xregex.h.
12139         (version_compare_spec_function): New.
12140         (spec_function): Add version-compare.
12141         (replace_outfile_spec_function): Reformat comment.
12142         (compare_version_strings): New.
12143         * config/darwin-c.c (version_as_macro): New.
12144         (builtin_define): New.
12145         (darwin_cpp_builtins): New.
12146         * config/darwin-protos.h (darwin_cpp_builtins): New.
12147         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
12148         (LIB_SPEC): Make unconditional, update comment.
12149         (TARGET_C99_FUNCTIONS): Define.
12150         * config/darwin.opt: Sort.
12151         (mmacosx-version-min=): New.
12152         * config/darwin7.h: Delete.
12153         * config/darwin8.h: Delete.
12154         * config/i386/darwin.h (): Call darwin_cpp_builtins.
12155         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
12156         (TARGET_C99_FUNCTIONS): Define.
12157         * config/rs6000/darwin7.h: New.
12158         * config/rs6000/darwin8.h: New.
12159         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
12160         (-mmacosx-version-min): Document.
12161
12162 2005-07-07  Ian Lance Taylor  <ian@airs.com>
12163
12164         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
12165
12166 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
12167
12168         PR middle-end/22239
12169         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
12170
12171 2005-07-07  Khem Raj  <kraj@mvista.com>
12172
12173         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
12174         in bytes, not words.
12175
12176 2005-07-07  Paul Brook  <paul@codesourcery.com>
12177
12178         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
12179         DEFAULT_FUNCTION_ARG_PADDING to upward.
12180
12181 2005-07-07  Richard Henderson  <rth@redhat.com>
12182
12183         * function.c (locate_and_pad_parm): Record parameter alignment in
12184         stack_alignment_needed.
12185
12186 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
12187
12188         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
12189         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
12190         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
12191         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
12192         (define_attr "type"): Add isync, sync, load_l, store_c.
12193         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
12194         Create scratch volatile MEM.
12195         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
12196         sync.
12197         (load_locked_<mode>): New.
12198         (store_conditional_<mode>): New.
12199         (sync_compare_and_swap<mode>): Replace with splitter.
12200         (sync_lock_test_and_set<mode>): Replace with splitter.
12201         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
12202         and UNSPECV_ISYNC.
12203         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
12204         is ics.  Attribute isync.
12205         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
12206         lwsync.
12207         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
12208         and UNSPECV_SYNC_OP.
12209         (emit_unlikely_jump): New.
12210         (emit_load_locked): New.
12211         (emit_store_conditional): New.
12212         (rs6000_split_compare_and_swap): New.
12213         (rs6000_split_lock_test_and_set): New.
12214         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
12215         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
12216         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
12217         rs6000_split_lock_test_and_set): Declare.
12218         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
12219         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
12220         store_c, isync, sync.
12221
12222 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
12223
12224         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
12225         filenames to gtyp-gen.h.
12226         (s-typ-gen): Use it in place of for loops.
12227
12228 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
12229
12230         * hooks.c (hook_bool_rtx_int_false): New function.
12231         * hooks.h (hook_bool_rtx_int_false): Declare.
12232         * target-def.h (TARGET_COMMUTATIVE_P): Define.
12233         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
12234         * target.h (struct gcc_target): Add commutative_p member.
12235         * targhooks.c (hook_bool_rtx_commutative_p): New function.
12236         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
12237         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
12238         (pa_commutative_p): New function.
12239         * jump.c (target.h): Include.
12240         (rtx_renumbered_equal_p): Use targetm.commutative_p.
12241         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
12242
12243 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12244
12245         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
12246         (s390_expand_setmem): New.
12247         * config/s390/s390.c: Likewise.
12248         (print_shift_count_operand): Truncate to 12 bits instead of 6.
12249         Adapt comments.
12250         * config/s390/s390.md: ("setmem<mode>"): Accept character as
12251         general_operand.  Call new function "s390_expand_setmem".
12252         ("clrmem_long", "*clrmem_long"): Rewrite to ...
12253         ("setmem_long", "*setmem_long"): ... this.
12254
12255 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12256
12257         * config/s390/s390.c: (optimization_options): Enable
12258         TARGET_MVCLE at -Os.
12259         * doc/invoke.texi: Document changes in default behaviour.
12260         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
12261
12262 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12263
12264         * expr.c: (set_storage_via_setmem): Convert opchar to mode
12265         defined by back-end.
12266
12267 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
12268
12269         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
12270         all sets in the pattern.
12271         * config/rs6000/rs6000.md (stack_protect_testsi,
12272         stack_protect_testdi): Likewise.
12273
12274 2005-07-06  Jeff Law  <law@redhat.com>
12275
12276         * tree-vrp.c (simplify_using_ranges): Kill.
12277         (vrp_finalize): Remove call to simplify_using_ranges.
12278         (simplify_stmt_using_ranges): New function extracted from
12279         simplify_using_ranges.
12280         (simplify_div_or_mod_using_ranges): Likewise.
12281         (simplify_abs_using_ranges): Likewise.
12282         (simplify_cond_using_ranges): New function.
12283         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
12284         * tree-ssa-propagate.c (substitute_and_fold): Call
12285         simplify_stmt_using_ranges if we have range information.
12286
12287 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
12288
12289         * config/ia64/ia64.c (ia64_reorg): Check optimize before
12290         ia64_flag_schedule_isns2.
12291
12292         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
12293         reading/writing general registers.
12294         (ia64_function_arg): Revert 2005-06-18 change.
12295
12296 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
12297
12298         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
12299         (legitimize_tls_address): Use gcc_unreachable instead of abort.
12300
12301 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
12302
12303         * function.c (expand_function_end): Revert part of 2005-06-27
12304         patch.  Do sjlj_emit_function_exit_after after return_label.
12305
12306 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
12307
12308         * doc/install.texi (--disable-libssp): New.
12309
12310 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
12311
12312         * doc/invoke.texi: Update -fforce-mem documentation.
12313         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
12314         code for -fforce-mem.
12315         * expmed.c: (store_bit_field,store_fixed_bit_field,
12316         extract_bit_field): Ditto.
12317         * expr.c: (convert_move): Ditto.
12318         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
12319         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
12320         emit_conditional_add,expand_float,expand_fix): Ditto.
12321         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
12322         (common_handle_option): Issue warning when -fforce-mem specified.
12323
12324 2005-07-06  Paul Brook  <paul@codesourcery.com>
12325
12326         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
12327         argument is empty.
12328         * configure: Regenerate.
12329
12330 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
12331
12332         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
12333
12334 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
12335
12336         Fix PR tree-optimization/22319
12337         Fix PR tree-optimization/22140
12338         Fix PR tree-optimization/22310
12339
12340         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
12341         variable sized types.
12342         Use correct type for intermediate structure on *a = *b structure
12343         copies.
12344
12345 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
12346
12347         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
12348         Remove.
12349         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
12350         (machine_function): Move typedef to...
12351         * config/rs6000/rs6000.c (machine_function): ... here.  Add
12352         varargs_save_offset field.
12353         (rs6000_stack_t): Remove varargs_size field.
12354         (setup_incoming_varargs): Allocate varargs save area using
12355         assign_stack_local, try to make it as small as possible.
12356         Save offset from virtual_stack_vars_rtx to the save area
12357         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
12358         instead of magic 8 when fp word byte size is used.
12359         (rs6000_va_start): Use cfun->machine->varargs_save_offset
12360         instead of -RS6000_VARARGS_SIZE.
12361         (rs6000_stack_info, debug_stack_info,
12362         rs6000_initial_elimination_offset): Remove all traces of
12363         varargs_size.
12364         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
12365         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
12366         RS6000_VARARGS_AREA.
12367
12368 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
12369
12370         PR tree-optimization/21963
12371         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
12372         constant_multiple_of in the same way get_computation_cost_at does.
12373
12374 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
12375
12376         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
12377         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
12378         (gen_compare_reg): If sparc_compare_emitted is set, clear it
12379         and return its previous value.
12380         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
12381         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
12382         constants.
12383         (stack_protect_set, stack_protect_test): New expanders.
12384         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
12385         stack_protect_testdi): New insns.
12386         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12387         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
12388
12389 2005-07-06  Jeff Law  <law@redhat.com>
12390
12391         * tree-ssa-dce.c (cfg_altered): New global.
12392         (tree_dce_init): Initialize cfg_altered.
12393         (remove_dead_stmt): If we remove an edge in the CFG, then set
12394         CFG_ALTERED.
12395         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
12396         the dominators.
12397
12398 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
12399
12400         * Makefile.in (stamp-collect-ld): Use
12401         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
12402         ./collect-ld if it already exists.
12403         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
12404         Don't remove ./nm if it already exists.
12405
12406 2005-07-05  Devang Patel  <dpatel@apple.com>
12407
12408         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
12409         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
12410         * tree-vectorizer.c (vect_loop_location): New.
12411         (vect_print_dump_info): Use vect_loop_location.
12412         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
12413         (vectorize_loops): Set vect_loop_location.
12414         * tree-vect-analyze.c (vect_analyze_offset_expr,
12415         vect_determin_vectorization_factor, vect_analyze_operations,
12416         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12417         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12418         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12419         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12420         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12421         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12422         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12423         vect_analyze_loop): Adjust vect_print_dump_info API.
12424         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12425         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12426         vect_finish_stmt_generation, vectorizable_assignment,
12427         vectorizable_operation, vectorizable_store, vectorizable_load,
12428         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12429         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12430         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12431         vect_transform_loop): Same.
12432         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12433         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12434         Same.
12435
12436 2005-07-05  Randolph Chung  <tausq@debian.org>
12437
12438         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12439         * configure: Regenerate.
12440         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12441         (pa_tls_referenced_p): Declare.
12442         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12443         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12444         (legitimize_tls_address): New.
12445         (hppa_legitimize_address): Handle TLS addresses.
12446         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12447         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12448         (emit_move_sequence): Handle TLS addresses.
12449         (pa_encode_section_info): Call default handler to handle common
12450         sections.
12451         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12452         (CONSTANT_ADDRESS_P): Reject TLS operands.
12453         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12454         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12455         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12456         (UNSPEC_TLSLE): Define new constants.
12457         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12458         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12459         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12460         (tie_symbolic_operand, tle_symbolic_operand): New
12461
12462 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
12463
12464         * aclocal.m4: Update macros for autoconf 2.59 style.
12465         * configure.ac: Likewise.
12466
12467 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12468
12469         * pa.c (function_value): Handle small aggregates on 32-bit targets.
12470         (function_arg): Pass small aggregates in general registers on 32-bit
12471         targets.
12472         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12473
12474 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
12475
12476         * Makefile.in (final.o): Fix dependencies.
12477
12478 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12479
12480         PR c/22013
12481         PR c/22098
12482         * langhooks.h (struct lang_hooks): Add expr_to_decl.
12483         * langhooks.c (lhd_expr_to_decl): New.
12484         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12485         New.
12486         (LANG_HOOKS_INITIALIZER): Update.
12487         * tree.c (recompute_tree_invarant_for_addr_expr): Call
12488         expr_to_decl langhook.
12489         * c-tree.h (c_expr_to_decl): Declare.
12490         * c-typeck.c (c_expr_to_decl): New.
12491         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12492         specially.
12493         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12494
12495 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12496
12497         PR c/22308
12498         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12499         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12500
12501 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
12502
12503         * Makefile.in: Adjust dependencies.
12504         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12505         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12506         * alias.c (rest_of_handle_cfg, pass_cfg): New.
12507         * bb-reorder.c (duplicate_computed_gotos): Make it static.
12508         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12509         rest_of_compilation.
12510
12511         * bb-reorder.c (gate_duplicate_computed_gotos,
12512         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12513         rest_of_handle_reorder_blocks, pass_reorder_blocks,
12514         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12515         pass_partition_blocks): New.
12516         * bt-load.c (gate_handle_branch_target_load_optimize,
12517         rest_of_handle_branch_target_load_optimize,
12518         pass_branch_target_load_optimize): New.
12519         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12520         pass_jump2): New.
12521         * cfglayout.c (pass_insn_locators_initialize): New.
12522         * cfgrtl.c (pass_free_cfg): New.
12523         * combine.c (gate_handle_combine, rest_of_handle_combine,
12524         pass_combine): New.
12525         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12526         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12527         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12528         * except.c (pass_set_nothrow_function_flags,
12529         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12530         pass_rtl_eh): New.
12531         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12532         rest_of_handle_shorten_branches, pass_shorten_branches,
12533         rest_of_clean_state, pass_clean_state): New.
12534         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12535         rest_of_handle_remove_death_notes, pass_remove_death_notes,
12536         rest_of_handle_life, pass_life, rest_of_handle_flow2,
12537         pass_flow2): New.
12538         * function.c (pass_instantiate_virtual_regs, pass_init_function,
12539         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12540         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12541         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12542         pass_gcse): New.
12543         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12544         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12545         pass_rtl_ifcvt, gate_handle_if_after_combine,
12546         rest_of_handle_if_after_combine, pass_if_after_combine,
12547         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12548         pass_if_after_reload): New.
12549         * integrate.c (pass_initial_value_sets): New.
12550         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12551         pass_purge_lineno_notes): New.
12552         * mode-switching.c (rest_of_handle_mode_switching,
12553         pass_mode_switching): New.
12554         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12555         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12556         pass_loop2): New.
12557         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12558         pass_loop_optimize): New.
12559         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12560         pass_sms): New.
12561         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12562         pass_gcse2): New.
12563         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12564         pass_postreload_cse): New.
12565         * profile.c (gate_handle_profiling, pass_profiling,
12566         rest_of_handle_branch_prob, pass_branch_prob): New.
12567         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12568         pass_split_before_regstack, gate_handle_split_before_regstack,
12569         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12570         rest_of_handle_split_all_insns, pass_split_all_insns): New.
12571         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12572         pass_stack_regs): New.
12573         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12574         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12575         pass_stack_adjustments): New.
12576         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12577         pass_regrename): New.
12578         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12579         pass_delay_slots, gate_handle_machine_reorg,
12580         rest_of_handle_machine_reorg, pass_machine_reorg): New.
12581         * rtl.h (extern void purge_line_number_notes): New.
12582         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12583         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12584         pass_sched2): New.
12585         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12586         pass_tracer): New.
12587         * value-prof.c (gate_handle_value_profile_transformations,
12588         rest_of_handle_value_profile_transformations,
12589         pass_value_profile_transformations): New.
12590         * var-tracking.c (gate_handle_var_tracking,
12591         pass_variable_tracking): New.
12592         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12593
12594         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12595         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12596         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12597         rest_of_handle_old_regalloc, rest_of_handle_regrename,
12598         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12599         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12600         rest_of_handle_gcse2, rest_of_handle_regmove,
12601         rest_of_handle_tracer, rest_of_handle_if_conversion,
12602         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12603         rest_of_handle_web, rest_of_handle_branch_prob,
12604         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12605         rest_of_handle_jump_bypass, rest_of_handle_combine,
12606         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12607         rest_of_handle_gcse, rest_of_handle_loop_optimize,
12608         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12609         rest_of_handle_mode_switching, rest_of_handle_jump,
12610         rest_of_handle_eh, rest_of_handle_stack_adjustments,
12611         rest_of_handle_flow2, rest_of_handle_jump2,
12612         rest_of_handle_peephole2, rest_of_handle_postreload,
12613         rest_of_handle_shorten_branches, rest_of_clean_state,
12614         rest_of_compilation): Remove.
12615
12616         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12617         * passes.c (dump_flags, in_gimple_form, all_passes,
12618         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12619         register_dump_files, next_pass_1, last_verified, execute_todo,
12620         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12621         from tree-optimize.c.
12622         (init_optimization_passes): Moved from tree-optimize.c,
12623         adding the RTL optimizations.
12624         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12625         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12626         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12627         register_dump_files, next_pass_1, last_verified, execute_todo,
12628         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12629         init_tree_optimization_passes, ipa_passes): Delete.
12630         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12631         the RTL dumps.
12632         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12633         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12634         from tree.h.
12635         (ipa_passes): Remove.
12636         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12637         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12638         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12639         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12640         (dump_info_p, dump_flag): Moved to tree-dump.h.
12641
12642         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12643         cgraph.c, opts.c.
12644         * passes.c (finish_optimization_passes): Use dump_begin
12645         and dump_end, TDI_end.
12646         (gate_rest_of_compilation): New.
12647         (pass_rest_of_compilation): Use it.
12648         (gate_postreload, pass_postreload): New.
12649         * toplev.c (general_init): Rename init_tree_optimization_passes.
12650         * toplev.h (init_tree_optimization_passes): Rename to
12651         init_optimizations_passes.
12652         * tree-dump.c (dump_flag): Make static.
12653         (dump_files): Remove RTL dumps.
12654         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12655         pass_cleanup_cfg, pass_free_cfg_annotations,
12656         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12657         pass_init_datastructures, pass_fixup_cfg): Make non-static.
12658         * tree-pretty-print.c: Include tree-pass.h.
12659         * cgraph.c: Include tree-dump.h.
12660
12661 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12662
12663         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12664         Only fall back to saying it points to readonly memory if
12665         we can't do better.
12666
12667 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
12668
12669         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12670         * config/m32r/m32r.c (m32r_compute_frame_size,
12671         m32r_expand_prologue): Take current_function_profile into
12672         account whenever we reference
12673         current_function_uses_pic_offset_table.
12674         (m32r_finalize_pic): Remove.
12675         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12676
12677 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
12678
12679         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12680         instead of $<.  Don't remove ./as if it already exists.
12681
12682 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12683
12684         PR target/21723
12685         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12686         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12687         for complex modes when generating code for PA 1.0.
12688         (VALID_FP_MODE_P): New macro.
12689         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12690         sets for all general and floating point modes.  Align wide floating
12691         point modes to even register boundaries to comply with architectural
12692         requirements.
12693         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12694         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12695         (VALID_FP_MODE_P): New macro.
12696         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12697         sets for all general and floating point modes.  Align wide floating
12698         point modes to even register boundaries to comply with architectural
12699         requirements.
12700
12701 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12702
12703         * tree-dump.c (dump_files): Initialize dump number for .cgraph
12704         to 0.
12705
12706 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12707
12708         * tree-ssa-structalias.c: Don't include expr.h.
12709
12710 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12711
12712         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12713         comments.
12714
12715 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12716
12717         Fix PR tree-optimization/22279
12718
12719         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12720         correct operator.
12721
12722 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
12723
12724         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12725
12726 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12727
12728         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12729         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12730         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12731         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12732         config/stormy16/stormy16.c, config/v850/v850.c,
12733         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12734         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12735         Avoid "." or "\n" at end of diagnostics and capital letters at
12736         start of diagnostics.
12737         * combine.c, cse.c: Don't translate dump file output.
12738         * toplev.c (print_version): Only translate output if going to
12739         stderr.
12740
12741 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12742
12743         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12744         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12745         typos.
12746
12747 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12748
12749         * pa.c (fix_range): Fix typo in comment.
12750
12751 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12752
12753         * tree-vrp.c (extract_range_from_assert): Replace
12754         fold (build (...)) with fold_build2.
12755
12756 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12757
12758         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12759         gcc_gfc_char_table, init_dynamic_gfc_info): New.
12760         (format_types_orig, handle_format_attribute): Add support for
12761         format "gcc_gfc".
12762
12763 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12764
12765         * varasm.c (assemble_variable): Fix format specifier thinko.
12766
12767 2005-07-03  Ira Rosen  <irar@il.ibm.com>
12768
12769         PR tree-optimization/22029 (and 22135)
12770         * tree-pretty-print.c (dump_generic_node): Check that the node is not
12771         a phi node before calling dump_vops.
12772
12773 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12774
12775         * tree-dump.h (dump_string_field): Declare.
12776         * tree-dump.c: Use it instead of dump_string.
12777         (dump_string_field): Make non-static.
12778
12779 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
12780
12781         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12782         up the minimal CFG stuff always when optimize > 0.  Call
12783         split_all_insns_noflow in PIC case if needed.
12784
12785 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12786             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12787
12788         PR c++/18279
12789         * c-decl.c (c_write_global_declarations): Dump contents of
12790         external scope to.
12791         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12792         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12793         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12794         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12795         is enabled.
12796
12797 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12798
12799         * c-common.h (GCC_DIAG_STYLE): Define.
12800         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
12801         version for format checking to 4.1.
12802         * c-format.c: Include toplev.h after c-common.h.
12803         (enum format_type): Add gcc_tdiag_format_type.
12804         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12805         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12806         (format_types_orig): Add gcc_tdiag.
12807         (init_dynamic_diag_info): Support gcc_tdiag formats.
12808         (handle_format_attribute): Likewise.
12809         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12810         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
12811         version for format checking to 4.1.
12812         (warning0, warning, error, pedwarn, sorry): Use
12813         ATTRIBUTE_GCC_DIAG.
12814         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12815         (finish_aliases_1): Do not use %qE.
12816         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12817         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12818         Correct format bugs.
12819         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12820         parameter to unsigned HOST_WIDE_INT.
12821         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12822
12823 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
12824
12825         PR middle-end/21742
12826         * expr.c (write_complex_part): Use adjust_address for MEM.
12827         (read_complex_part): Same.
12828
12829 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
12830
12831         Fix PR tree-optimization/22280
12832
12833         * tree-sra.c (generate_element_init): Remove useless loop.
12834
12835 2005-07-02  Richard Henderson  <rth@redhat.com>
12836
12837         * config/alpha/alpha.c (alpha_legitimize_address): Check for
12838         TLS_MODEL_NONE.
12839         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12840
12841 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
12842
12843         PR middle-end/14490
12844         * fold-const.c (fold_binary): Handle the return value of
12845         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12846         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12847
12848 2005-07-02  Jeff Law  <law@redhat.com>
12849
12850         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12851         a eliminate type conversion which feeds an equality comparison
12852         if the original type or either operand in the comparison is a
12853         function pointer.
12854
12855 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
12856
12857         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12858         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12859         texts.
12860         * config/avr/avr.c: Do not use '`' as left quote.
12861         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12862         Remove "." from end of diagnostics.  Make diagnostics start with
12863         lowercase letter.
12864
12865 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
12866             Joseph S. Myers  <joseph@codesourcery.com>
12867
12868         * toplev.c (default_tree_printer): Handle setting location with
12869         '+' flag.
12870         * c-objc.common.c (c_tree_printer): Likewise.
12871         * c-format.c (gcc_diag_flag_specs): Add '+'.
12872         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12873         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12874         formats.
12875         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12876         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12877         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12878         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12879         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12880         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
12881         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
12882         format arguments where %J is used without %D.
12883
12884 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
12885
12886         * gcc.c (LINK_SSP_SPEC): Define.
12887         (link_ssp_spec): New variable.
12888         (LINK_COMMAND_SPEC): Add %(link_ssp).
12889         (static_specs): Add link_ssp_spec.
12890         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12891         * configure: Rebuilt.
12892         * config.in: Rebuilt.
12893
12894         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12895         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12896         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12897         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12898         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12899         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12900         -0x7008(2) instead of reading __stack_chk_guard variable.
12901         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12902         number.
12903         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12904         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12905         if TARGET_THREAD_SSP_OFFSET is defined.
12906         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12907         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12908
12909         Revert:
12910         2005-06-27  Richard Henderson  <rth@redhat.com>
12911         * libgcc-std.ver (GCC_4.1.0): New.
12912         * libgcc.h (__stack_chk_guard): Declare.
12913         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12914         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12915         * mklibgcc.in (lib2funcs): Add them.
12916
12917 2005-07-01  Richard Henderson  <rth@redhat.com>
12918
12919         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12920         void * before struct sigcontext *.
12921         (x86_fallback_frame_state): Likewise.
12922
12923 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
12924
12925         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12926
12927 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12928
12929         PR tree-opt/22269
12930         * tree-ssa-reassoc.c (should_transpose): Fix which operand
12931         we check for SSA_NAME for.
12932
12933 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
12934
12935         Fix PR tree-optimization/22071
12936
12937         * tree-ssa-structalias.c (offset_overlaps_with_access): New
12938         function.
12939         (get_constraint_for_component_ref): Use it.
12940
12941 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12942
12943         PR other/22264
12944         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12945         print out the last new line.
12946
12947 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
12948
12949         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12950         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12951         * config/cris/cris.c (cris_conditional_register_usage): Adjust
12952         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12953         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12954         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12955         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12956         (enum reg_class): New member CC0_REGS.
12957         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12958         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12959         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12960         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12961         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12962         Adjust for register now described.
12963
12964 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
12965
12966         PR target/22262
12967         * config/i386/i386.md (stack_protect_test_si,
12968         stack_protect_test_di): Add earlyclobber for scratch 3.
12969         * config/rs6000/rs6000.md (stack_protect_testsi,
12970         stack_protect_testdi): Add earlyclobber for scratch 3,
12971         remove earlyclobber from scratch 4.
12972
12973 Older entries for 2005 can be found in ChangeLog-2005.