gcc/ChangeLog

   1 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
   2
   3         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
   4         type void.
   5         (perform_edge_inserts): Unconditionally call
   6         free_dominator_info.
   7
   8         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
   9
  10 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
  11
  12         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
  13
  14 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
  15
  16         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
  17
  18         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
  19         gcc_unreachable.
  20         (rtl_register_value_prof_hooks,
  21         tree_value_profile_transformations,
  22         tree_register_value_prof_hooks): Likewise.
  23         * var-tracking.c (stack_adjust_offset_pre_post,
  24         variable_htab_free, variable_union, dataflow_set_different_2,
  25         count_uses, variable_was_changed, set_frame_base_location,
  26         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
  27         vt_add_function_parameters): Likewise.
  28         * varasm.c (named_section_real, named_section, make_decl_rtl,
  29         asm_emit_uninitialised, assemble_integer, decode_addr_const,
  30         const_hash_1, compare_constant, copy_constant, force_const_mem,
  31         output_constant_pool_2, output_constant_pool_1, output_constant,
  32         output_constructor, make_decl_one_only, decl_tls_model,
  33         default_no_named_section, default_elf_select_section_1,
  34         default_unique_section_1): Likewise.
  35         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
  36         * vmsdbgout.c (addr_const_to_string): Likewise.
  37
  38         PR c++/20375
  39         * function.c (struct assign_parm_data_one): Remove last_named
  40         field.
  41         (assign_parm_find_data_types): Don't determine last_named.
  42         Reorder named_parm determination.
  43         (assign_parms): Only setup varargs on the last non-varadic
  44         parameter.
  45
  46 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
  47
  48         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
  49         sda base address on medium model.
  50
  51 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
  52
  53         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
  54         * cfgloop.c (flow_loop_nodes_find): Export.
  55         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
  56         Declare.
  57         * cfgloopmanip.c (fix_loop_structure): New function.
  58         * predict.c (predict_loops): Clean up the loops information.
  59         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
  60         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
  61         loop structure.
  62         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
  63         (rewrite_into_loop_closed_ssa): Declaration changed.
  64         * tree-loop-linear.c (linear_transform_loops): Add argument to
  65         rewrite_into_loop_closed_ssa call.
  66         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
  67         * tree-ssa-loop-im.c (move_computations): Ditto.
  68         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
  69         * tree-vectorizer.c (vectorize_loops): Ditto.
  70         * tree-optimize.c: Include cfgloop.h.
  71         (execute_todo): Choose whether to call cleanup_tree_cfg or
  72         cleanup_tree_cfg_loop.
  73         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
  74         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
  75         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
  76         cleanup_tree_cfg_loop call.
  77         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
  78         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
  79         work on part of cfg.
  80
  81 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
  82
  83         PR inline-asm/20314
  84         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
  85         with multiple alternatives.
  86
  87         * stmt.c (parse_output_constraint): Fix a typo.
  88
  89 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
  90
  91         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
  92         assembly directive instead of deprecated "no-generics".
  93
  94 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
  95
  96         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
  97         for non-offsettable memory references to cope with outstanding reload
  98         replacements.
  99         * config/s390/s390.md ("reload_outti"): Call find_replacement to
 100         avoid losing outstanding address reloads.
 101         ("reload_outdi", "reload_outdf"): Likewise.
 102
 103 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 104
 105         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
 106         code.  Add more cbrt transformations.
 107
 108 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 109
 110         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
 111
 112 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
 113
 114         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
 115         NULL_TREE when a given tree is not simplified.
 116         (fold): Return the original tree when any of the functions
 117         mentioned above NULL_TREE.
 118
 119         * fold-const.c (fold_unary, fold_binary): Take decomposed
 120         arguments, code, type, op0, and op1 in case of fold_binary.
 121         (fold): Update calls to fold_unary and fold_binary.
 122
 123 2005-03-09  Roger Sayle  <roger@eyesopen.com>
 124
 125         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
 126         a fndecl and an arglist instead of a CALL_EXPR, exp.
 127
 128 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
 129
 130         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
 131
 132         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
 133
 134         * expr.c (expand_assignment): Remove orig_to_rtx.
 135
 136         * fold-const.c (int_const_binop): Remove no_overflow.
 137
 138         * ifcvt.c (noce_emit_move_insn): Remove inmode.
 139
 140         * loop-iv.c (get_biv_step_1): Remove lhs.
 141
 142         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
 143
 144         * real.c (real_nan): Remove neg.
 145
 146         * function.c (thread_prologue_and_epilogue_insns): Remove i
 147         and newinsn.
 148
 149         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
 150         tb.
 151
 152         * tree-eh.c (tree_could_trap_p): Remove idx.
 153
 154         * tree-into-ssa.c (ann): Remove ann.
 155
 156         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
 157
 158         * tree-sra.c (decide_block_copy): Remove inst_count.
 159
 160         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
 161
 162         * tree-ssa-loop-im.c (lhs): Remove.
 163
 164         * cfgbuild.c (state, STATE, SET_STATE,
 165         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
 166         make_edges.
 167         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
 168         (find_basic_blocks): Set the state of each basic block to
 169         BLOCK_NEW.
 170
 171 2005-03-08  Jeff Law  <law@redhat.com>
 172
 173         * tree-cfg.c (cleanup_control_flow): If removal of a computed
 174         goto results in the removal of edges in the CFG, then we need
 175         to recompute dominators.
 176
 177 2005-03-09  Ben Elliston  <bje@au.ibm.com>
 178
 179         * c-common.c (c_do_switch_warnings): Comment fix.
 180
 181 2005-03-08  Julian Brown  <julian@codesourcery.com>
 182
 183         * Patch from 2005-03-08 reverted for causing regressions and
 184         ppc-darwin bootstrap failure.
 185
 186 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
 187
 188         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
 189         Define the real function for ppc-darwin.
 190         * c-typeck.c (convert_arguments): Check for target-specific
 191         invalid argument call to unprototyped function.
 192         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
 193         New Macro.
 194         * target.h (invalid_arg_for_unprototyped_fn): New field
 195         in struct calls.
 196         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
 197         default target hook.
 198         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
 199         Declare.
 200
 201 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
 202
 203         * c-typeck.c (constructor_stack, constructor_range_stack,
 204         initializer_stack): Make them static.
 205
 206         * cfg.c (rbi_pool): Make it static.
 207
 208         * gimple-low.c (lower_stmt_body): Make it static.
 209         * tree-flow.h: Remove the corresponding prototype.  Don't
 210         declare lower_data.
 211
 212         * sched-deps.c (cache_size): Make it static.
 213
 214         * stor-layout.c (lang_adjust_rli): Make it static.
 215
 216 2005-03-08  Julian Brown  <julian@codesourcery.com>
 217
 218         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
 219         from being used for symbols with vague linkage when
 220         HAVE_GAS_COMDAT_GROUP is true.
 221
 222 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
 223
 224         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
 225         nlabel == JUMP_LABEL (jump).
 226
 227 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
 228
 229         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
 230         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
 231         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
 232         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
 233
 234 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
 235
 236         PR c/14411
 237         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
 238         * c-common.c (handle_returns_twice): New function.
 239         (c_common_attribute_table): Declare eturns_twice' attribute.
 240         * doc/extend.texi: Document eturns_twice' attribute.
 241         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
 242         (struct tree_decl): Add returns_twice_flag.
 243
 244 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
 245
 246         * tree-ssa-phiopt.c: Fix a comment typo.
 247
 248         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
 249         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
 250         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
 251         copyright.
 252
 253 2005-03-08  Richard Henderson  <rth@redhat.com>
 254
 255         * config/alpha/alpha.c (code_for_builtin): Replace special-case
 256         builtin codes with ctzdi2, clzdi2, popcountdi2.
 257         (struct alpha_builtin_def): Add is_const.
 258         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
 259         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
 260         (alpha_init_builtins): Init them.  Set nothrow and const attributes
 261         on builtins.
 262         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
 263         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
 264         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
 265         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
 266         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
 267         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
 268         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
 269         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
 270         (TARGET_FOLD_BUILTIN): New.
 271         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
 272         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
 273         (ffsdi2): Use ctz.
 274         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
 275
 276 2005-03-08  Ira Rosen  <irar@il.ibm.com>
 277
 278         PR tree-optimization/20122
 279         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
 280         condition of access function instead of base.
 281
 282 2005-03-07  Jeff Law  <law@redhat.com>
 283             Steven Bosscher  <stevenb@suse.de>
 284
 285         * tree-cfg.c (find_taken_edge_computed_goto): New function.
 286         (find_taken_edge): Call find_taken_edge_computed_goto as
 287         appropriate.  Allow any gimple invariant rather than just
 288         INTEGER_CST for VAL.
 289         (cleanup_control_flow): Cleanup a computed goto which has turned
 290         into a simple goto.
 291         (tree_merge_blocks): If block B has any forced labels, move
 292         them to the start of block A.
 293         * tree-ssa-dom.c (thread_across_edge): Allow threading across
 294         computed gotos as well.
 295         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
 296         removal of unnecessary computed gotos too.
 297         (lookup_redirection_data): Fix type of INSERT argument.  Callers
 298         updated.
 299
 300 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
 301
 302         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
 303         Remove trailing spaces.
 304
 305         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
 306         unshare_all_trees): Make them static.
 307         * tree-gimple.h: Remove the corresponding prototypes.
 308
 309         * diagnostic.h: Remove unused prototype
 310         debug_output_buffer.
 311         * modulo-sched.c: Remove unused prototype
 312         set_row_column_for_ps.
 313
 314         * tree-ssa-phiopt.c (tree_ssa_phiopt,
 315         replace_phi_edge_with_variable): Remove unused variable i.
 316
 317 2005-03-07  Per Bothner  <per@bothner.com>
 318
 319         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
 320
 321 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
 322
 323         PR tree-opt/17671
 324         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
 325         bbs on the COND_EXPR instead of the PHI_NODEs.
 326         (candidate_bb_for_phi_optimization): Remove.
 327         (replace_phi_with_stmt): Rename to ...
 328         (replace_phi_edge_with_variable): this and change so that we
 329         replace the phi argument instead of removing the PHI.
 330         (conditional_replacement): Change so we deal with PHI with more
 331         than two arguments.
 332         (value_replacement): Likewise.
 333         (abs_replacement): Likewise.
 334
 335 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
 336
 337         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
 338         output_e500_flip_gt_bit.
 339
 340         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
 341         as bit 31.
 342         (rs6000_generate_compare): Fix logic to look at the correct bits.
 343         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
 344         Look at GT bit.
 345         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
 346         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
 347         gen_move_from_CR_gt_bit.
 348
 349         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
 350         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
 351         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
 352
 353         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
 354         (E500_CR_IOR_COMPARE): New constant.
 355
 356 2005-03-08  Earl Chew <earl_chew@agilent.com>
 357             David Billinghurst <David.Billinghurst@riotinto.com>
 358
 359         * config/i386/host-cygwin.c: New file to support precompiled
 360         headers on cygwin
 361         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
 362         * config.host: Use above files for cygwin host.
 363
 364 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
 365
 366         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
 367         ordering ops from earlier change.
 368
 369 2005-03-07  Per Bothner  <per@bothner.com>
 370
 371         Various fixes to allow us to again build if --enable-mapped-location:
 372         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
 373         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
 374         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
 375         local variable loc. Change logic appropriately.
 376         * tree-vect-transform.c (vect_finish_stmt_generation): Use
 377         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
 378         * c-parser.c (c_parser_for_statement): Initialize loc variable.
 379         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
 380         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
 381
 382 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
 383
 384         PR rtl-optimization/19683
 385         * reload1.c (choose_reload_regs): Pass the number of bits, not the
 386         number of bytes, to smallest_int_for_mode.  Fix arguments to
 387         REG_CANNOT_CHANGE_MODE_P.
 388
 389 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
 390
 391         * reorg.c (relax_delay_slots): Check that the jump is
 392         conditional before trying to invert it.
 393
 394 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
 395
 396         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
 397         Make them static.
 398
 399         * calls (stack_arg_under_construction): Make it static.
 400
 401         * flow.c (regs_live_at_setjmp): Make it static.
 402         * flow.h: Remove the corresponding prototype.
 403
 404         * reload1.c (reload_startobj, reload_firstobj,
 405         something_needs_operands_changed, reload_inherited,
 406         reload_inheritance_insn, reload_override_in,
 407         reload_spill_index): Make them static.
 408
 409         * recog.c (verify_changes): Make it static.
 410         * recog.h: Remove the corresponding prototype.
 411
 412         * cfgbuild.c (find_sub_basic_blocks): Remove.
 413         * basic-block.h: Remove the corresponding prototype.
 414         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
 415         in comments.
 416         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
 417
 418         * tree-ssa-operands.c (check_build_stmt): Remove.
 419
 420         * stor-layout.c (set_alignment): Remove.
 421         * tree.h: Remove the corresponding prototype.
 422
 423         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
 424
 425         * tree-ssa-dce.c (control_dependence_map,
 426         visited_control_parents): Make them static.
 427
 428         * cfghooks.c (verify_flow_info): Remove local variable
 429         num_bb_notes.
 430
 431         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
 432         last_bb_seen.
 433
 434         * loop-unswitch.c (unswitch_loop): Remove local variable src.
 435
 436 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
 437
 438         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
 439
 440 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
 441
 442         * config/ia64/hpux.h (LINK_SPEC): Add -z.
 443         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
 444         PARALLEL for an empty structure.
 445
 446 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
 447
 448         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
 449
 450         * fold-const.c (fold_binary): Unroll the very first "for"
 451         loop.
 452
 453 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
 454
 455         * config/rs6000/predicates.md (branch_comparison_operator): Remove
 456         redundant match_code test.
 457         (scc_comparison_operator): Swap match_operand and match_code
 458         tests.
 459         (branch_positive_comparison_operator): Same.
 460         (trap_comparison_operator): Use comparison_operator and swap with
 461         match_code test.
 462
 463 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
 464
 465         PR target/20288
 466         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
 467         (out_movhi_r_mr): Read low byte of volatile MEM first.
 468         (out_movhi_mr_r): Write high byte of volatile MEM first.
 469
 470 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
 471
 472         * cselib.c (reg_values, reg_values_size): Make them static.
 473
 474         * cse.c (cse_reg_info_table): Make it static.
 475
 476         * fold-const.c (fold_unary): Use build1 instead of copy_node.
 477
 478 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
 479
 480         * cse.c (find_best_addr): Use canon_for_address.
 481
 482 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
 483
 484         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
 485         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
 486         SUBREG and MEM, respectively.
 487
 488         * fold-const.c (fold_binary): Use code instead of t.
 489
 490         * fold-const.c (optimize_minmax_comparison): Take decomposed
 491         arguments code, type, op0, and op1 instead of t.
 492         (fold_binary): Update a call to optimize_minmax_comparison.
 493
 494         * fold-const.c (fold_range_test): Take decomposed arguments
 495         code, type, op0, and op1 instead of t.
 496         (fold_binary): Update a call to fold_range_test.
 497
 498         * fold-const.c (fold_binary_op_with_conditional_arg): Take
 499         decomposed arguments code, type, op0, and op1 instead of t.
 500         (fold_binary): Update a call to fold_range_test.
 501
 502 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
 503
 504         * fold-const.c (fold_binary): Avoid directly using the original
 505         expression t as much as possible.
 506
 507 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
 508
 509         * c-semantics.c (build_stmt): Use TYPE_P instead of
 510         IS_NON_TYPE_CODE_CLASS.
 511         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
 512         (NON_TYPE_CHECK): Use TYPE_P instead of
 513         IS_NON_TYPE_CODE_CLASS.
 514
 515         * fold-const.c (fold): Remove handling of binary expressions.
 516
 517 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
 518
 519         * doc/c-tree.texi: Wrap comments in @r{}.
 520         * doc/cpp.texi: Likewise.
 521         * doc/cppinternals.texi: Likewise.
 522         * doc/extend.texi: Likewise.
 523         * doc/md.texi: Likewise.
 524         * doc/objc.texi: Likewise.
 525         * doc/sourcebuild.texi: Likewise.
 526         * doc/tm.texi: Likewise.
 527         * doc/tree-ssa.texi
 528
 529 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
 530
 531         * predict.c (apply_return_prediction): Standardize PHI chain
 532         walking.
 533         * tree-ssa.c (ssa_redirect_edge): Likewise.
 534
 535         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
 536         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
 537         Update copyright.
 538
 539         * tree-phinodes.c (remove_phi_node): Drop the last argument.
 540         * tree-flow.h: Adjust the prototype for remove_phi_node.
 541         * lambda-code.c (perfect_nestify): Adjust a call to
 542         remove_phi_node.
 543         * tree-cfg.c
 544         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
 545         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
 546         Likewise.
 547         * tree-ssa-dce.c (remove_dead_phis): Likewise.
 548         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
 549         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
 550         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
 551
 552         * combine.c (simplify_and_const_int): Use gen_int_mode instead
 553         of GEN_INT (trunc_int_for_mode (...)).
 554         * loop-iv.c (iv_number_of_iterations): Likewise.
 555         * postreload.c (reload_cse_move2add): Likewise.
 556         * simplify-rtx.c (simplify_const_unary_operation,
 557         simplify_const_binary_operation): Likewise.
 558         * stor-layout.c (get_mode_bounds): Likewise.
 559
 560         * fold-const.c (fold_binary): New.
 561         (fold): Call fold_binary on binary expressions.
 562
 563 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
 564
 565         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
 566         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
 567         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
 568         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
 569         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
 570
 571 2005-03-04  Devang Patel  <dpatel@apple.com>
 572
 573         PR tree-optimization/18815
 574         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
 575         loops with zero exit edges.
 576
 577 2005-03-04  Devang Patel  <dpatel@apple.com>
 578
 579         * doc/invoke.texi: Remove reference to webpage that does not exist.
 580
 581 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
 582             Joseph S. Myers  <joseph@codesourcery.com>
 583
 584         PR c++/19797
 585         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
 586         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
 587         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
 588         * pa.c (get_plabel): Change argument to symbol_ref.  Call
 589         maybe_get_identifier instead of get_identifier.
 590         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
 591         (struct deferred_plabel): Replace name field with symbol field.
 592         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
 593         ASM_OUTPUT_EXTERNAL_REAL is defined.
 594         (output_global_address): Use output_addr_const for output of all
 595         symbol_refs.
 596         (output_deferred_plabels): Use symbol_ref instead of name for address
 597         output.
 598         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
 599         ASM_OUTPUT_SYMBOL_REF): New macros.
 600         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
 601         comment.
 602         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
 603         label.
 604
 605 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
 606
 607         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
 608         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
 609
 610 2005-03-04  Jeff Law  <law@redhat.com>
 611
 612         * basic-block.h (rediscover_loops_after_threading): Declare.
 613         * tree-ssa-dom.c: Include cfgloop.h.
 614         (tree_ssa_dominator_optimize): Discover loops and some basic
 615         properties.  Remove forwarder blocks recreated by loop header
 616         canonicalization.  Also mark backedges in the CFG.
 617         * tree-ssa-threadupdate.c: Include cfgloop.h
 618         (rediscover_loops_after_threading): Define.
 619         (struct local_info): New field, JUMP_THREADED.
 620         (prune_undesirable_thread_requests): New function.
 621         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
 622         then record that fact for the callers of redirct_edges.
 623         (thread_block): If BB has incoming backedges, then call
 624         prune_undesirable_thraed_requests.    Note when we are
 625         going to have to rediscover loop information.  Return a
 626         boolean indicating if any jumps were threaded.
 627         (thread_through_all_blocks): Bubble up boolean indicating
 628         if any jumps were threaded.
 629         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
 630         (tree-ssa-threadupdate.o): Similarly.
 631
 632 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
 633
 634         * fold-const.c (fold_ternary): Unroll the "for" loop to
 635         extract operands.
 636
 637 2005-03-04  Andrew Haley  <aph@redhat.com>
 638
 639         * unwind-dw2-fde-glibc.c (struct
 640         unw_eh_callback_data.check_cache): New field.
 641         (frame_hdr_cache): New.
 642         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
 643         Cache frame header info.
 644
 645 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
 646
 647         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
 648         (print_c_condition): Declare.
 649         * read-rtl.c (ptr_loc): New structure.
 650         (ptr_locs, ptr_loc_obstack, joined_conditions)
 651         (joined_conditions_obstack): New variables.
 652         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
 653         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
 654         (join_c_conditions, print_c_condition): New functions.
 655         (apply_macro_to_string): Associate the new string with the same
 656         source location as the old one.
 657         (add_condition_to_string): Use join_c_conditions.
 658         (read_string): Use set_rtx_ptr_loc to record a filename and line
 659         number for the string.
 660         (read_rtx): Initialize the new variables above.
 661         * genattrtab.c (write_test_expr, write_attr_value): Use
 662         print_c_condition.
 663         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
 664         comment above the GCC_VERSION check.
 665         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
 666         Inline the definition of MAYBE_EVAL.
 667         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
 668         * genoutput.c (process_template): Likewise.
 669         * genpreds.c (write_predicate_subfunction): Likewise.
 670         (write_predicate_expr): Use print_c_condition.
 671         * genrecog.c (write_cond): Likewise.
 672         * gensupport.c (process_rtx): Use join_c_conditions to join the
 673         conditions of a define_insn_and_split.  Record a source location
 674         for the string after the "&&".
 675         (alter_test_for_insn): Use join_c_conditions.
 676
 677 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
 678
 679         Revert for now:
 680         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
 681         PR tree-optimization/15784
 682         * fold-const.c (fold): Fold ~A + 1 to -1.  Fold -A - 1
 683         and -1 - A to ~A.
 684
 685 2005-03-04  Ben Elliston  <bje@au.ibm.com>
 686
 687         * gcc.c (option_map): Add --coverage.
 688         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
 689         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
 690         * config/darwin.h: Pass -lgcov for `coverage'.
 691         * doc/invoke.texi (Debugging Options): Document --coverage.
 692
 693 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
 694
 695         * gcse.c (bypass_block): Use find_edge wherever possible.
 696
 697 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
 698
 699         Fix PR debug/20253
 700
 701         * c-opts.c (c_common_parse_file): Call start_source_file
 702         and end_source_file at the approriate times.
 703
 704         * dwarf2out.c (dwarf2out_finish): Don't auto-end
 705         the main file, it will be done for us now.
 706
 707 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
 708
 709         * fold-const.c (fold_ternary): New.
 710         (fold): Call fold_ternary on ternary expressions.  Remove
 711         handling of ternary expressions.
 712
 713 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
 714
 715         PR tree-optimization/15784
 716         * fold-const.c (fold): Fold ~A + 1 to -1.  Fold -A - 1
 717         and -1 - A to ~A.
 718
 719 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
 720
 721         * config/rs6000/predicates.md (branch_comparison_operator):
 722         Convert from C block to conditional format.
 723
 724 2005-03-03  Jan Hubicka  <jh@suse.cz>
 725
 726         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
 727         and non-constant public variables.
 728
 729 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
 730
 731         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
 732         with LABEL_EXPR.
 733
 734         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
 735         EDGE_I.
 736
 737         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
 738         calls to release_ssa_name and release_phi_node.
 739
 740         * fold-const.c (fold): Remove handling of unary expressions.
 741
 742         * fold-const.c (fold_unary): Avoid directly using the original
 743         expression t as much as possible.
 744
 745 2005-03-03  Roger Sayle  <roger@eyesopen.com>
 746             Andrew Pinski  <pinskia@physics.uc.edu>
 747
 748         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
 749         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
 750
 751 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
 752
 753         Describe special registers SRP and MOF as allocatable registers.
 754         * config/cris/cris.c (cris_md_asm_clobbers): New function.
 755         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
 756         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
 757         TARGET_HAS_MUL_INSNS.
 758         (cris_print_operand) <case 'd'>: New case.
 759         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
 760         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
 761         define.
 762         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
 763         (REG_ALLOC_ORDER): Update for MOF.
 764         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
 765         SPECIAL_REGS.
 766         (GENERAL_REGS): No longer a define of ALL_REGS.
 767         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
 768         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
 769         Adjust accordingly.
 770         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
 771         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
 772         (SECONDARY_RELOAD_CLASS): Define.
 773         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
 774         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
 775         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
 776         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
 777         (REGISTER_MOVE_COST): Define.
 778         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
 779         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
 780         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
 781         (CRIS_MOF_REGNUM): New define_constants.
 782         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
 783         special registers.
 784         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
 785         New patterns.
 786         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
 787         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
 788         Adjust for MOF being properly described as a register.
 789         (indir_to_reg_split): Name this split.  Conditionalize on the
 790         destination register being a general register.
 791         (movei): Conditionalize on on operands 0 and 1 having the same
 792         register class.
 793
 794 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
 795
 796         PR target/20277
 797         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
 798         -mcpu to override any other explicitly given flags.
 799
 800 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
 801
 802         * recog.c (verify_changes, confirm_change_group): New functions,
 803         broken out of apply_change_group.
 804         (apply_change_group): Use them.
 805         * recog.h (verify_change, confirm_change_group): Declare.
 806         * rtl.h (redirect_jump_2): Declare.
 807         * jump.c (redirect_exp, invert_exp): Delete.
 808         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
 809         (redirect_jump_2): New function, broken out of redirect_jump.
 810         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
 811         (invert_jump): Use invert_jump_1 and redirect_jump_2.
 812         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
 813
 814 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
 815
 816         * varasm.c (named_section): Use xstrdup rather than doing it by
 817         hand.
 818
 819         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
 820
 821 2005-03-02  Devang Patel  <dpatel@apple.com>
 822
 823         Undo PR tree-optimization/18815 fix.
 824
 825 2005-03-02  Devang Patel  <dpatel@apple.com>
 826
 827         PR tree-optimization/18815
 828         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
 829         loops with zero exit edges.
 830
 831 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
 832
 833         * cfg.c (connect_src, connect_dest, disconnect_src,
 834         disconnct_dest): New.
 835         (unchecked_make_edge, remove_edge, redirect_edge_succ,
 836         redirect_edge_pred): Use the new functions.
 837
 838         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
 839         free_dominance_info only when needed.
 840
 841 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
 842
 843         PR target/20276
 844         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
 845         (reg_or_sub_cint64_operand): Same.
 846
 847 2005-03-02  Jeff Law  <law@redhat.com>
 848
 849         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
 850         CFG_ALTERED in the main DOM iteration loop.
 851
 852 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
 853
 854         PR c++/19916
 855         * varasm.c (initializer_constant_valid_p): Allow conversions
 856         between OFFSET_TYPEs.  Tidy.
 857
 858 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
 859
 860         * config/cris/cris.md ("return"): Remove epilogue delay list
 861         sanity check.
 862
 863 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
 864
 865         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
 866         for Thumb.
 867         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
 868
 869 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
 870
 871         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
 872         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
 873         config/m68k/m68k.c, config/mips/mips.h,
 874         config/rs6000/rs6000-protos.h, doc/contrib.texi,
 875         doc/include/gcc-common.texi: Update copyright.
 876
 877         PR middle-end/18029 and PR middle-end/18030
 878         * expr.c (optimize_bitfield_assignment_op): Add a special case
 879         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
 880
 881         * fold-const.c (fold_unary): New.
 882         (fold): Call fold_unary on unary expressions.
 883
 884 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
 885
 886         * cgraph.h (struct cgraph_edge): Add prev_caller and
 887         prev_callee fields.
 888         (cgraph_node_remove_callees): Export.
 889         * cgraph.c (cgraph_create_edge): Initialize prev_caller
 890         and prev_callee.
 891         (cgraph_edge_remove_callee): New function.
 892         (cgraph_edge_remove_caller): Likewise.
 893         (cgraph_remove_edge): Use.
 894         (cgraph_redirect_edge_callee): Likewise.
 895         (cgraph_node_remove_callees): New function.
 896         (cgraph_node_remove_callers): Likewise.
 897         (cgraph_remove_node): Use.
 898         * tree-optimize.c (tree_rest_of_compilation): Use
 899         cgraph_node_remove_callees instead of manual loop.
 900         * cgraphunit.c (cgraph_finalize_function): Likewise.
 901         (cgraph_expand_function): Likewise.
 902         (cgraph_remove_unreachable_nodes): Likewise.
 903
 904 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
 905
 906         PR c/8927
 907         * c-tree.h (undeclared_variable, build_external_ref): Add extra
 908         argument.
 909         * c-decl.c (undeclared_variable): Take location as argument.
 910         * c-typeck.c (build_external_ref): Likewise.
 911         * c-parser.c (c_parser_postfix_expression): Pass location of
 912         identifier to build_external_ref.
 913
 914 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
 915
 916         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
 917         CCEQ mode for branch_positive_comparison_operator test.
 918         * config/rs6000/predicates (branch_comparison_operator): Revert to
 919         define_predicate.
 920         (scc_comparison_operator): Same.
 921         (branch_positive_comparison_operator): Same.
 922
 923 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
 924
 925         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
 926         (cris_delay_slots_for_epilogue): Remove.
 927         (save_last): Move into cris_target_asm_function_epilogue.
 928         (cris_target_asm_function_epilogue): Remove tests for file being
 929         NULL.
 930         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
 931         (cris_delay_slots_for_epilogue): Remove prototypes.
 932         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
 933         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
 934
 935 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
 936
 937         * config/rs6000/predicates.md (branch_comparison_operator): Change
 938         to define_special_predicate.
 939         (scc_comparison_operator): Same.
 940         (branch_positive_comparison_operator): Same.
 941
 942 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
 943
 944         * Makefile.in (tree-ssa-sink.o): New.
 945         (OBJS-common): Add tree-ssa-sink.o.
 946         * common.opt: Add -ftree-sink
 947         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
 948         * timevar.def (TV_TREE_SINK): new timevar.
 949         * tree-flow.h (is_hidden_global_store): Prototype.
 950         * tree-optimize.c (init_tree_optimization_passes): Add
 951         pass_sink_code.
 952         * tree-pass.h (pass_sink_code): New.
 953         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
 954         for non-obvious global store store to is_hidden_global_store, and
 955         call that new function.
 956         * tree-ssa-sink.c: New file.
 957         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
 958         * doc/passes.texi: Document forward store motion.
 959         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
 960         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
 961         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
 962         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
 963
 964 2005-03-01  Per Bothner  <per@bothner.com>
 965
 966         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
 967         and we have a non-zero column-number, add it to the message.
 968         Also factor out the diagnostic_kind_text.
 969
 970 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
 971
 972         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
 973         flow_loop_pre_header_scan, flow_loop_pre_header_find,
 974         flow_loop_scan): Removed.
 975         (flow_loop_dump): Do not dump removed fields.
 976         (flow_loop_free): Do not free removed fields.
 977         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
 978         (loop_exit_edge_p): New function.
 979         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
 980         num_pre_header_edges, entry_edges, num_entries, exit_edges,
 981         num_exits, exits_doms.
 982         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
 983         LOOP_EDGES, LOOP_ALL): Removed.
 984         (flow_loop_scan): Declaration removed.
 985         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
 986         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
 987         flow_loops_find.
 988         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
 989         (if_convert): Call flow_loops_find and flow_loops_free
 990         when calling mark_loop_exit_edges.
 991         * cfgloopanal.c (mark_loop_exit_edges): Moved from
 992         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
 993         free_dominance_info calls.
 994         * loop-init.c (flow_loops_find): Ditto.
 995         * passes.c (rest_of_handle_branch_prob): Ditto.
 996         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
 997         * loop-unroll.c (analyze_insns_in_loop): Do not use
 998         EDGE_LOOP_EXIT.
 999         * predict.c (predict_loops): Do not call flow_loop_scan.
1000         Use get_loop_exit_edges.
1001         (tree_estimate_probability): Do not pass flags to flow_loops_find.
1002         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
1003         Do not use EDGE_LOOP_EXIT.
1004         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
1005         to bb_with_exit_edge_p.
1006         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
1007         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
1008         to bb_with_exit_edge_p.
1009         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
1010         EDGE_LOOP_EXIT.
1011         * tree-loop-linear.c (linear_transform_loops): Do not call
1012         flow_loop_scan.  Use loop->single_exit.
1013         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
1014         (vect_analyze_loop_form): Do not call flow_loop_scan.
1015         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
1016         loop->single_exit.
1017         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
1018         loop->single_exit.
1019         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1020         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1021         slpeel_tree_duplicate_loop_to_edge_cfg,
1022         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1023         Use loop_preheader_edge and loop->single_exit.  Do not call
1024         flow_loop_scan.
1025
1026 2005-03-01  Nick Clifton  <nickc@redhat.com>
1027
1028         * config/arm/arm.c (thumb_find_work_register): Check all of the
1029         argument registers to see if they are free, and a couple of
1030         special cases where the last argument register but can be proved
1031         to be available during the function's prologue.
1032         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
1033         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
1034         thumb_unexpanded_epilogue): Use unsigned long as the type for the
1035         register bit-mask.
1036         (thumb_compute_save_reg_mask): Likewise.  Also use
1037         thumb_find_work_register() to ensure that there is agreement about
1038         which work register is going to be used in the prologue.
1039         (thumb_output_function_prologue): Use unsigned long as the type
1040         for the register bit-mask.  Also delay pushing the link register if
1041         other high registers are going to be pushed.
1042         (thumb_compute_save_reg_mask, emit_multi_reg_push,
1043         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
1044         redundant prototypes.
1045
1046 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
1047
1048         PR target/19819
1049         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
1050         and after reload in REG+REG indexed addresses without REG_POINTER
1051         set in the base and not set in the index.
1052
1053 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1054
1055         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
1056         Don't undefine here.
1057         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
1058         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
1059         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1060         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
1061         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
1062         Delete.
1063         * config.gcc (sh*-*-linux*): Use config/linux.h.
1064
1065 2005-02-28  Dale Johannesen  <dalej@apple.com>
1066             Stan Shebs  <shebs@apple.com>
1067
1068         Rewrite of 64-bit Darwin structure-by-value pass/return.
1069         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
1070         intoffset, use_stack, named.
1071         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
1072         (rs6000_darwin64_record_arg_advance_flush):  New.
1073         (rs6000_darwin64_record_arg_advance_recurse): New.
1074         (rs6000_darwin64_record_arg_flush):  New.
1075         (rs6000_darwin64_record_arg_recurse):  New.
1076         (rs6000_darwin64_record_arg):  New.
1077         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
1078         (function_arg_boundary):  Handle 128-bit aligned structs.
1079         (function_arg_advance):  Rewrite darwin64 struct handling.
1080         (function_arg):  Call rs6000_darwin64_record_arg.
1081         (function_arg_partial_nregs):  Handle darwin64 structs.
1082         (rs6000_darwin64_function_value):  Remove.
1083         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
1084
1085 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1086
1087         PR tree-optimization/20216
1088         * tree-chrec.c (tree_fold_factorial): Delete.
1089         (tree_fold_binomial): Change argument list to take a return type
1090         and change the type of K to unsigned int.  Rewrite to avoid explicit
1091         evaluation of factorials, and (recursively) calling fold to perform
1092         compile-time arithmetic.  Return NULL on (internal) overflow.
1093         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
1094         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
1095         if any intermediate calculation overflows.
1096         (chrec_apply): Update call to chrec_evaluate.
1097
1098 2005-02-28  James E Wilson  <wilson@specifixinc.com>
1099
1100         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
1101
1102 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
1103
1104         PR c/20245
1105         * c-parser.c (c_parser_compound_statement): Return error_mark_node
1106         instead of NULL_TREE on error.
1107
1108 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
1109
1110         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
1111         (EASY_VECTOR_15_ADD_SELF): Remove.
1112         (num_insns_constant_wide): Not static.
1113         (validate_condition_mode): Not static.
1114         (toc_relative_expr_p): Not static.
1115         (legitimate_indirect_address_p): Not static.
1116         (macho_lo_sum_memory_operand): Not static.
1117         (invalid_e500_subreg): Not static.
1118         (easy_vector_same): Not static.
1119         (easy_vector_splat_const): Not static.
1120         (RS6000_SYMBOL_REF_TLS_P): Remove.
1121         (any_operand): Delete.
1122         (any_parallel_operand): Delete.
1123         (count_register_operand): Delete.
1124         (altivec_register_operand): Delete.
1125         (xer_operand): Delete.
1126         (s8bit_cint_operand): Delete.
1127         (short_cint_operand): Delete.
1128         (u_short_cint_operand): Delete.
1129         (non_short_cint_operand): Delete.
1130         (exact_log2_cint_operand): Delete.
1131         (gpc_reg_operand): Delete.
1132         (cc_reg_operand): Delete.
1133         (cc_reg_not_cr0_operand): Delete.
1134         (reg_or_short_operand): Delete.
1135         (reg_or_neg_short_operand): Delete.
1136         (reg_or_aligned_short_operand): Delete.
1137         (reg_or_u_short_operand): Delete.
1138         (reg_or_cint_operand): Delete.
1139         (reg_or_arith_cint_operand): Delete.
1140         (reg_or_add_cint64_operand): Delete.
1141         (reg_or_sub_cint64_operand): Delete.
1142         (reg_or_logical_cint_operand): Delete.
1143         (got_operand): Delete.
1144         (got_no_const_operand): Delete.
1145         (easy_fp_constant): Delete.
1146         (easy_vector_constant): Delete.
1147         (easy_vector_constant_add_self): Delete.
1148         (zero_constant): Delete.
1149         (zero_fp_constant): Delete.
1150         (volatile_mem_operand): Delete.
1151         (offsettable_mem_operand): Delete.
1152         (mem_or_easy_const_operand): Delete.
1153         (add_operand): Delete.
1154         (non_add_cint_operand): Delete.
1155         (logical_operand): Delete.
1156         (non_logical_cint_operand): Delete.
1157         (mask_operand): Delete.
1158         (mask_operand_wrap): Delete.
1159         (mask64_operand): Delete.
1160         (mask64_2_operand): Delete.
1161         (and64_operand): Delete.
1162         (and64_2_operand): Delete.
1163         (and_operand): Delete.
1164         (reg_or_mem_operand): Delete.
1165         (lwa_operand): Delete.
1166         (symbol_ref_operand): Delete.
1167         (call_operand): Delete.
1168         (current_file_function_operand): Delete.
1169         (input_operand): Delete.
1170         (rs6000_nonimmediate_operand): Delete.
1171         (rs6000_tls_symbol_ref): Delete.
1172         (save_world_operation): Delete.
1173         (restore_world_operation): Delete.
1174         (load_multiple_operation): Delete.
1175         (store_multiple_operation): Delete.
1176         (vrsave_operation): Delete.
1177         (mfcr_operation): Delete.
1178         (mtcrf_operation): Delete.
1179         (lmw_operation): Delete.
1180         (stmw_operation): Delete.
1181         (branch_comparison_operator): Delete.
1182         (branch_positive_comparison_operator): Delete.
1183         (scc_comparison_operator): Delete.
1184         (trap_comparison_operator): Delete.
1185         (boolean_operator): Delete.
1186         (boolean_or_operator): Delete.
1187         (min_max_operator): Delete.
1188         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
1189         (EASY_VECTOR_15): Moved to here.
1190         (EASY_VECTOR_15_ADD_SELF): Move to here.
1191         (PREDICATE_CODES): Delete.
1192         * config/rs6000/rs6000-protos.h: Delete predicate functions.
1193         Declare functions no longer static.
1194         * config/rs6000/predicates.md: New.
1195         * config/rs6000/rs6000.md: Include predicates.md
1196
1197 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
1198
1199         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
1200         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
1201         REG_ALWAYS_RETURN.
1202         * cfgrtl.c (need_fake_edge_p): Likewise.
1203         * combine.c (distribute_notes): Likewise.
1204         * emit-rtl.c (try_split): Likewise.
1205         * recog.c (peephole2_opimize): Likewise.
1206         * reg-notes.def (ALWAYS_RETURN): Remove.
1207         * rtl.h (LCT_ALWAYS_RETURN): Remove.
1208         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
1209         * tree.h (ECF_ALWAYS_RETURN): Remove.
1210
1211 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1212
1213         PR middle-end/19874
1214         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
1215         between different machine modes is never a "useless" conversion.
1216
1217 2005-02-28  Geert Bosch  <bosch@gnat.com>
1218
1219         PR ada/15977
1220         * doc/contrib.texi: List contributors for Ada front end
1221
1222 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
1223
1224         * simplify-rtx.c (simplify_unary_operation_1,
1225         simplify_const_unary_operation): New, extracted from...
1226         (simplify_unary_operation): ... this one.
1227         (simplify_binary_operation_1,
1228         simplify_const_binary_operation): New, extracted from...
1229         (simplify_binary_operation): ... this one.
1230         * rtl.h (simplify_const_unary_operation,
1231         simplify_const_binary_operation): Add prototypes.
1232
1233 2005-02-28  Julian Brown  <julian@codesourcery.com>
1234
1235         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
1236         building libjava and caused PR regression/20228.
1237
1238 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
1239
1240         PR bootstrap/17383
1241         * Makefile.in (host_subdir): New.
1242         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
1243         * configure: Regenerate.
1244
1245 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
1246
1247         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
1248         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
1249         installation directory first.
1250
1251 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
1252
1253         PR target/19065.
1254         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
1255         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
1256         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
1257         * config/cris/cris.md: Tweak comments referring to Q.
1258         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
1259         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
1260         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
1261         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
1262         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
1263         Insert spaces in constraints to align alternatives vertically for
1264         readability.
1265         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
1266         operand 1: "M".
1267
1268 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1269
1270         PR rtl-optimization/17728
1271         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
1272         operand 0 from general_operand to move_dest_operand.
1273
1274 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1275
1276         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
1277         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
1278         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
1279         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
1280
1281 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
1282
1283         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
1284         * configure: Regenerate.
1285         * libada-mk.in: Remove CC; rename
1286         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
1287
1288 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
1289
1290         PR tree-opt/20188
1291         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
1292         for the lhs, also walk over the tree.  Likewise for rhs.
1293
1294 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
1295
1296         * tree-ssa-dom.c (simple_iv_increment_p): New function.
1297         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
1298         Do not propagate value of iv before increment over the increment.
1299
1300 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
1301
1302         * c-parser.c: New file.
1303         * c-parse.in: Remove.
1304         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
1305         Remove.
1306         (c-parser.o): Add dependencies.
1307         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
1308         maintainer-clean, TAGS): Update.
1309         * c-config-lang.in (gtfiles): Update.
1310         * gengtype-lex.l: Don't handle "@@".
1311         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
1312         objc_build_synchronized, objc_begin_try_stmt,
1313         objc_begin_catch_clause, objc_finish_catch_clause,
1314         objc_build_finally_clause, objc_finish_try_stmt): New.
1315         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
1316         type_seen_p.
1317         (c_parse_init): Update comment.
1318         * c-decl.c (c_init_decl_processing): Update comment.
1319         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
1320         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
1321         new c_declspecs members.
1322
1323 2005-02-25  Julian Brown  <julian@codesourcery.com>
1324
1325         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1326         from being used for symbols with vague linkage when
1327         HAVE_GAS_COMDAT_GROUP is true.
1328
1329 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1330
1331         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
1332
1333 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
1334
1335         PR target/19930
1336         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
1337         (LIBGCC2_HAS_DF_MODE): New.
1338         (LIBGCC2_HAS_XF_MODE): New.
1339         (LIBGCC2_HAS_TF_MODE): New.
1340         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1341         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1342         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1343         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1344         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
1345         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
1346         and add _fixtfdi, _fixunstfdi, _floatditf
1347         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
1348         L_fixunstfdi, L_floatditf.
1349         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
1350         (LIBGCC2_HAS_TF_MODE): Define.
1351
1352 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
1353
1354         PR tree-optimization/20204
1355         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
1356         REWRITE_THIS_STMT markers on PHI nodes.
1357         (rewrite_initialize_block): Likewise.
1358
1359 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1360
1361         * version.c (version_string): Update to 4.1.
1362
1363 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
1364
1365         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
1366         Clarify that the alternative way doesn't work in GNU C++.
1367
1368 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
1369
1370         PR tree-optimization/19937
1371         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
1372         to the type of the induction variable.
1373
1374 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1375
1376         PR rtl-optimization/20117
1377         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
1378         the block including noncopyable insn.
1379
1380 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1381
1382         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
1383         calls to find_reg_note.
1384
1385 2005-02-24  Richard Henderson  <rth@redhat.com>
1386
1387         PR tree-opt/20127
1388         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
1389         the type.
1390
1391 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
1392
1393         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
1394         vector types if to use base reg for misaligned non-word ld/std.
1395
1396 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
1397
1398         PR target/14619
1399         * config/cris/cris.c (cris_target_asm_function_prologue): Create
1400         dwarf2 label manually and put it after, not before the prologue.
1401
1402 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
1403
1404         PR target/19019
1405         * reload.c (operands_match_p): Only increment register number for
1406         SCALAR_INT_MODE_P modes in multiple hard registers.
1407
1408         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
1409         Fix formatting.
1410
1411 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1412
1413         * ChangeLog.5: Fix log message typo(s).
1414         * ChangeLog.7: Likewise.
1415         * ChangeLog.tree-ssa: Likewise.
1416         * cfgexpand.c: Fix comment typo(s).
1417         * conflict.c: Likewise.
1418         * defaults.h: Likewise.
1419         * dwarf2out.c: Likewise.
1420         * gcse.c: Likewise.
1421         * ggc-page.c: Likewise.
1422         * tree-eh.c: Likewise.
1423         * tree-ssa-dom.c: Likewise.
1424
1425 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
1426
1427         PR target/19019
1428         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
1429         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
1430         if SHARED is defined.
1431
1432         PR target/20196
1433         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
1434         allow splitting only if operands 0 and 3 don't overlap.
1435
1436 2005-02-24  Richard Henderson  <rth@redhat.com>
1437
1438         PR middle-end/19953
1439         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
1440         (fold_builtin_1): Call them.
1441         * fold-const.c (fold_complex_mult_parts): Split out from ...
1442         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
1443         (fold_complex_div_parts, fold_complex_div): New.
1444         (fold): Use them.
1445         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
1446
1447 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1448
1449         * tree-ssa-ccp.c (visit_assignment): Verify that result of
1450         VIEW_CONVERT_EXPR is_gimple_min_invariant.
1451
1452         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
1453         (print_node): Likewise.
1454         Print TYPE_SIZES_GIMPLIFIED.
1455
1456 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
1457
1458         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
1459         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
1460         operands as commutative in constraints.
1461
1462 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
1463
1464         * tree-into-ssa.c: Re-organize internal functions.
1465
1466 2005-02-24  Richard Henderson  <rth@redhat.com>
1467
1468         PR middle-end/18902
1469         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
1470         for c99.
1471         * common.opt (fcx-limited-range): New.
1472         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
1473         * toplev.c (flag_complex_method): Initialize to 1.
1474         (process_options): Set flag_complex_method to 0 if
1475         flag_cx_limited_range.
1476         * doc/invoke.texi (-fcx-limited-range): New.
1477
1478 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1479
1480         * cse.c (delete_trivially_dead_insns): Speed up by using
1481         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
1482         prev_real_insn.
1483
1484 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
1485
1486         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
1487         functions when -mid-shared-library is being used.
1488
1489 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1490
1491         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
1492         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
1493         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
1494         * system.h: Poison LINK_LIBGCC_SPECIAL.
1495
1496 2005-02-23  James E Wilson  <wilson@specifixinc.com>
1497
1498         * gengtype.c (note_insn_name): Make 1 element larger.
1499
1500 2005-02-23  Roger Sayle  <roger@eyesopen.com>
1501
1502         PR target/20018
1503         PR rtl-optimization/20097
1504         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1505         BImode SUBREGs of SImode registers which confuse the ia64 backend.
1506
1507 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
1508
1509         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
1510         * t-aix52 (SHLIB_INSTALL): Same.
1511
1512 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
1513
1514         * genpreds.c: Update copyright.
1515
1516 2005-02-23  Michael Beach  <michaelb@ieee.org>
1517
1518         PR target/20159
1519         * config/sparc/t-elf (startup files): Assemble with CPP.
1520
1521 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
1522
1523         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
1524         (write_predicate_expr): Likewise.
1525
1526 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1527
1528         PR tree-optimization/20100
1529         PR tree-optimization/20115
1530         * tree-optimize.c (init_tree_optimization_passes): Remove
1531         pass_maybe_create_global_var.
1532         * tree-pass.h (pass_maybe_create_global_var): Remove.
1533         * tree-ssa-alias.c (aliases_computed_p): Declare.
1534         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
1535         (count_calls_and_maybe_create_global_var): Remove.
1536         (pass_maybe_create_global_var): Remove.
1537         (init_alias_info): Do not declare aliases_computed_p.
1538         (maybe_create_global_var): If the function contains no
1539         call-clobbered variables and a mix of pure/const and regular
1540         function calls, create .GLOBAL_VAR.
1541         Mark all call-clobbered variables for renaming.
1542         (merge_pointed_to_info): Update comment.
1543         (add_pointed_to_var): Likewise.
1544         (is_escape_site): Likewise.
1545         Accept struct alias_info * instead of size_t *.
1546         Update all users.
1547         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
1548         as necessary.
1549         * tree-ssa-operands.c (get_call_expr_operands): If
1550         ALIASES_COMPUTED_P is false, do not add call-clobbering
1551         operands.
1552         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
1553         (delete_tree_ssa): Likewise.
1554
1555 2005-02-22  James E Wilson  <wilson@specifixinc.com>
1556
1557         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
1558         (do_compile): Do call it here.
1559
1560 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1561
1562         PR rtl-optimization/20017.
1563         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
1564         rest_of_handle_cse2, rest_of_handle_gcse): Call
1565         delete_dead_jumptables immediately before calling cleanup_cfg.
1566
1567 2005-02-22  Devang Patel  <dpatel@apple.com>
1568
1569         PR 19952
1570         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
1571         all labels
1572
1573 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
1574
1575         * config/rs6000/aix.h (WINT_TYPE): Define.
1576
1577 2005-02-22  Stan Shebs  <shebs@apple.com>
1578
1579         * config/rs6000/rs6000.c (rs6000_override_options): Default to
1580         natural alignment for 64-bit Darwin.
1581         (rs6000_parse_alignment_option): Warn about uses of -malign-power
1582         on 64-bit Darwin.
1583         * doc/invoke.texi: Document this.
1584
1585 2005-02-22  DJ Delorie  <dj@redhat.com>
1586
1587         * c-common.c (c_common_type_for_mode): Pass the mode's precision
1588         to make_[un]signed_type, not the mode itself.
1589
1590 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1591
1592         * cfg.c (cached_make_edge): Call make_edge if edge cache is
1593         not available.  Use tail calls wherever possible.
1594         (make_edge): Call unchecked_make_edge to create an edge.
1595
1596         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
1597         (coalesce_ssa_name): Don't check for
1598         SSANORM_USE_COALESCE_LIST.
1599         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
1600
1601 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1602
1603         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
1604         (rewrite_into_ssa): ... here.
1605
1606 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
1607
1608         PR tree-optimization/19786
1609         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
1610         tag to another's may-alias bitmap when adding to the other's list.
1611
1612 2005-02-21  DJ Delorie  <dj@redhat.com>
1613
1614         * tree-ssa-loop-ivopts.c (computation_cost): Start register
1615         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
1616         registers in unsupported ways.
1617         * expmed.c (init_expmed): Likewise.
1618
1619 2005-02-21  Stan Cox  <scox@redhat.com>
1620
1621         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
1622
1623 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1624
1625         * tree-cfg.c (fold_cond_expr_cond): New.
1626         (make_edges): Call fold_cond_expr_cond.
1627         (find_taken_edge): Accept nothing but INTEGER_CST.
1628         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
1629         and 1.
1630         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
1631
1632         * flow.c (delete_dead_jumptables): Speed up by scanning insns
1633         that do not belong to any basic block.
1634
1635 2005-02-21  Jeff Law  <law@redhat.com>
1636
1637         * cfganal.c (find_unreachable_blocks): Manually CSE load of
1638         e->dest.
1639
1640 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1641
1642         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
1643         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
1644         Adjust their definitions.
1645         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
1646         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
1647
1648         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
1649         genautomata.c, langhooks.c, langhooks.h, system.h,
1650         config/arm/lib1funcs.asm: Update copyright.
1651
1652 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1653
1654         * dbxout.c (dbxout_function_end): Emit Lscope label always.
1655
1656 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
1657
1658         PR bootstrap/13770
1659         * doc/install.texi: Document --with-gc.
1660
1661 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
1662
1663         * simplify-rtx.c (simplify_unary_operation): Add a missing
1664         "break" statement.
1665
1666 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1667
1668         PR tree-optimization/18663
1669         * tree-ssa-dom.c (extract_range_from_cond): Return 0
1670         if the type has variable bounds.
1671
1672 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
1673
1674         * gcse.c: Remove an obsolete comment.
1675
1676         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
1677
1678 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
1679
1680         * doc/extend.texi (Function Attributes) <Attribute const>: The
1681         attribute "pure" is below this text, not above.
1682
1683 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1684
1685         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
1686         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
1687         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
1688
1689 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
1690
1691         PR 18785
1692         * langhooks.h (struct lang_hooks): Add to_target_charset.
1693         * langhooks.c (lhd_to_target_charset): New function.
1694         * langhooks-def.h: Declare lhd_to_target_charset.
1695         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
1696         (LANG_HOOKS_INITIALIZER): Update.
1697         * c-common.c (c_common_to_target_charset): New function.
1698         * c-common.h: Declare it.
1699         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
1700         c_common_to_target_charset.
1701
1702         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
1703         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
1704         Delete definitions.
1705         * system.h: Poison them.
1706         * doc/tm.texi: Don't discuss them.
1707         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
1708         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
1709         (pp_c_char): Do not attempt to generate letter escapes for
1710         newline, tab, etc.
1711         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
1712         * config/mips/mips.c (mips_output_ascii): Likewise.
1713
1714 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
1715
1716         PR tree-optimization/19951
1717         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
1718         is abnormal.
1719
1720 2005-02-19  Steven Bosscher  <stevenb@suse.de>
1721
1722         PR middle-end/19698
1723         * function.h (struct function): New field `max_loop_depth'.
1724         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
1725         (flow_loops_find): Reset the max loop depth count before finding loops.
1726         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
1727         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
1728         (calculate_global_regs_live): Make sure the loop will terminate
1729         when the initial sets are not empty.
1730
1731 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
1732
1733         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
1734         object inside.
1735         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
1736
1737 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
1738
1739         PR other/19525
1740         * doc/invoke.texi: Remove documentation of %M spec.
1741         * gcc.c: Likewise.
1742         (init_spec): Remove %M suffix from -lgcc_s.
1743         (do_spec_1): Remove 'M' case.
1744         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
1745         to put shared libraries in the multilib directory.  Remove the
1746         shlib_so_soname substitution variable.  Don't add a multilib encoding
1747         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
1748         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
1749         SHLIB_INSTALL as well as SHLIB_LINK.
1750         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
1751         (SHLIB_NAME): Delete.
1752         (SHLIB_DIR): New macro.
1753         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
1754         (SHLIB_INSTALL): Adjust accordingly.
1755         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
1756         * config/t-slibgcc-sld: Likewise.
1757         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
1758         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
1759         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
1760         in $(SHLIB_DIR).
1761         (SHLIBUNWIND_INSTALL): Adjust accordingly.
1762         * config/i386/t-nwld (SHLIB_SONAME): Delete.
1763         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
1764         Use @shlib_base_name@ instead of @shlib_so_name@.
1765         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
1766         and @shlib_base_name@.so in @multilib_dir@.
1767         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
1768         to the install path.
1769         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
1770         (SHLIB_LINK): Remove previous workaround.
1771         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
1772         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
1773         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
1774         the install path.
1775         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
1776         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
1777         (SHLIB_INSTALL): Adjust accordingly.
1778         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
1779         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
1780         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
1781         config/t-slibgcc-elf-ver.
1782
1783 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
1784             Jakub Jelinek  <jakub@redhat.com>
1785
1786         PR tree-optimization/19828
1787         * tree-ssa-loop-im.c: Add a TODO comment.
1788         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
1789         without side-effects.
1790
1791 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1792
1793         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
1794         call fold_convert.
1795
1796 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
1797
1798         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
1799         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
1800         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
1801         functions.
1802         (ia64_reorg): Delete fixup_errata call.
1803         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
1804         (TARGET_SWITCHES): Delete -mb-step entry.
1805
1806 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
1807
1808         PR c/20043
1809         * c-typeck.c (composite_type): Handle quals in transparent unions.
1810         (type_lists_compatible_p): Likewise.
1811
1812 2005-02-18  Stan Shebs  <shebs@apple.com>
1813
1814         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
1815         expressions in the .literal8 section.
1816
1817 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
1818
1819         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
1820
1821 2005-02-18  Roger Sayle  <roger@eyesopen.com>
1822
1823         * fold-const.c (constant_boolean_node): Always create values of the
1824         specified type, don't bother calling truthvalue_conversion.
1825
1826 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1827
1828         * except.c (output_function_exception_table): Call
1829         assemble_external_libcall (eh_personality_libfunc).
1830
1831 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1832
1833         PR target/19886
1834         * config/ia64/ia64.h (struct machine_function): Add state_num.
1835         * config/ia64/ia64.c (process_epilogue,
1836         process_for_unwind_directive): Use new unwind state numbers each
1837         time rather than state 1.
1838
1839 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
1840
1841         PR target/20054
1842         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
1843         before the "*llgt_didi" pattern.
1844
1845 2005-02-18  Jason Merrill  <jason@redhat.com>
1846
1847         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
1848
1849 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
1850
1851         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
1852         (div0): Use it in place of ARM_FUNC_ALIAS.
1853         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
1854
1855 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
1856
1857         PR middle-end/20030
1858         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
1859         access, the lower bound of the array type if it exists.
1860
1861 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
1862
1863         PR c++/20008
1864         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
1865         cases that are out-of-range for the index type.
1866
1867 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1868
1869         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
1870         (estimate_case_costs): Don't call convert.
1871         * expmed.c (expand_shift): Likewise.
1872         (make_tree): Call fold_convert instead of convert.
1873
1874 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1875
1876         PR c++/19813
1877         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
1878         that ref to be marked MEM_READONLY_P doesn't have base that needs
1879         constructing.
1880
1881 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1882
1883         * genautomata.c (output_get_cpu_unit_code_func,
1884         output_cpu_unit_reservation_p): Don't generate old-style function
1885         definitions.
1886
1887 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1888
1889         PR c++/20023
1890         PR tree-optimization/20009
1891         * convert.c (convert_to_integer): Revert 2005-02-16 change.
1892
1893         PR tree-optimization/18947
1894         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
1895         inline, remove all nodes that are inlined into the extern inline
1896         being redefined.
1897
1898 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1899
1900         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
1901         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
1902         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
1903         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
1904         Update copyright.
1905
1906 2005-02-17  Roger Sayle  <roger@eyesopen.com>
1907
1908         PR tree-optimization/19917
1909         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
1910         to be potentially trapping.
1911
1912 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1913
1914         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
1915
1916 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
1917
1918         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
1919         tem becomes a local variable which is set to the value of the
1920         back end defined INITIAL_FRAME_ADDRESS macro.
1921         (expand_builtin_frame_address): Omit the base parameter to
1922         expand_builtin_return_addr.
1923         (expand_builtin_profile_func): Likewise.
1924         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
1925         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
1926         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
1927
1928 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
1929
1930         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
1931         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
1932         * config/frv/frv.c (frv_function_epilogue): Likewise.
1933
1934 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
1935
1936         * lambda-code (perfect_nestify): Remove mark/unmark
1937         for rewriting hack.
1938         * tree-loop-linear.c (linear_transform_loops): Add
1939         rewrite_into_ssa call so that ssa is correct for
1940         rewriting into loop closed.
1941
1942 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
1943
1944         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
1945         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
1946         BITMAP_FREE.
1947         * bt-load.c (btr_def_live_range, combine_btr_defs,
1948         migrate_btr_def, migrate_btr_defs): Likewise.
1949         * cfgcleanup.c (thread_jump): Likewise.
1950         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
1951         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
1952         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
1953         df_rd_local_compute, df_reg_info_compute): Likewise.
1954         * dominance.c (init_dom_info, free_dom_info): Likewise.
1955         * flow.c (init_propagate_block_info,
1956         free_propagate_block_info): Likewise.
1957         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
1958         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
1959         modify_reg_pav): Likewise.
1960         * loop-invariant.c (find_defs, find_invariant_insn,
1961         find_invariants, free_inv_motion_data): Likewise.
1962         * predict.c (tree_predict_by_opcode,
1963         estimate_bb_frequencies): Likewise.
1964         * stmt.c (expand_case): Likewise.
1965         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
1966         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
1967         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
1968         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
1969         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
1970         rewrite_ssa_into_ssa): Likewise.
1971         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1972         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
1973         analyze_edges_for_bb, perform_edge_inserts): Likewise.
1974         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
1975         * tree-sra.c (tree_sra): Likewise.
1976         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
1977         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1978         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
1979         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
1980         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
1981         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
1982         Likewise.
1983         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
1984         calculate_live_on_entry, calculate_live_on_exit,
1985         build_tree_conflict_graph): Likewise.
1986         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
1987         record_important_candidates, set_use_iv_cost, find_depends,
1988         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
1989         tree_ssa_iv_optimize_finalize): Likewise.
1990         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
1991         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
1992         tree_duplicate_loop_to_header_edge): Likewise.
1993         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
1994         * tree-ssa.c (verify_flow_insensitive_alias_info,
1995         verify_name_tags, verify_ssa, init_tree_ssa,
1996         delete_tree_ssa): Likewise.
1997         * tree-ssanames.c (marked_ssa_names, init_ssanames,
1998         fini_ssanames): Likewise.
1999         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
2000
2001 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
2002
2003         * config/rs6000/t-rtems: Completely reworked.
2004
2005 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2006
2007         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
2008
2009 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2010
2011         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
2012         POINTER_TYPE_P when checking that type is a pointer.
2013         (vect_get_memtag): Remove.
2014         (vect_address_analysis): Use POINTER_TYPE_P. Call
2015         vect_object_analysis with dummy parameter for memtag.
2016         (vect_object_analysis): Extract memtag (functionality that
2017         used to be in vect_get_memtag and moved here). Fix printings.
2018         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
2019         with correct parameters. Remove call to vect_get_memtag.
2020
2021 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
2022
2023         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
2024         (tree-vectorizer.o): Added missing dependencies.
2025
2026         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
2027         decleration.
2028         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
2029         declaration in tree-vectorizer.c, now has an extern declaration in
2030         tree-vectorizer.h).
2031         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2032         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2033         get_vectype_for_scalar_type, vect_is_simple_use,
2034         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2035         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
2036         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
2037         vectorizable_store, vectorizable_operation, vectorizable_assignment,
2038         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
2039         find_loop_location): Likewise.
2040
2041         * tree-vectorizer.c (langhooks.h): #include removed.
2042         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
2043         moved to tree-vectorized.h.
2044         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2045         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2046         get_vectype_for_scalar_type, vect_is_simple_use,
2047         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2048         vect_supportable_dr_alignment, new_loop_vec_info,
2049         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
2050         vect_set_verbosity_level, find_loop_location): Likewise.
2051
2052         (vect_analyze_loop): Function externalized. Declaration moved to
2053         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
2054         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
2055         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
2056         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
2057         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
2058         vect_enhance_data_refs_alignment, vect_analyze_operations,
2059         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
2060         vect_stmt_relevant_p, vect_get_loop_niters,
2061         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
2062         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
2063         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
2064         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
2065         vect_get_memtag): Likewise.
2066
2067         (vectorizable_load): Function externalized. Declaration moved to
2068         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
2069         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
2070         vect_transform_loop): Likewise.
2071         (vect_transform_stmt): Moved to tree-vect-transform.c.
2072         (vect_align_data_ref, vect_create_destination_var,
2073         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
2074         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
2075         vect_get_vec_def_for_operand, vect_init_vector,
2076         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
2077         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
2078         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
2079         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
2080         vect_do_peeling_for_loop_bound): Likewise.
2081
2082         * tree-vect-analyze.c: New file.
2083         * tree-vect-transform.c: New file.
2084
2085 2005-02-17  Jason Merrill  <jason@redhat.com>
2086
2087         PR mudflap/19319, c++/19317
2088         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
2089         slot explicit.
2090
2091 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
2092
2093         * doc/install.texi (Specific): Update link for Darwin-specific
2094         tool binary site.
2095
2096 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
2097
2098         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
2099         constant_boolean_node.
2100
2101 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
2102
2103         PR target/19019
2104         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
2105         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
2106
2107 2005-02-16  Richard Henderson  <rth@redhat.com>
2108
2109         PR 19920
2110         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
2111         with W_TYPE_SIZE.
2112         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
2113         replace uses with Wtype_MAXp1_F.
2114         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
2115         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
2116         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
2117         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
2118         and HAVE_TFMODE as appropriate.
2119         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
2120         (__floatdisf): Likewise.
2121         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
2122         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
2123         (Wtype_MAXp1_F): New.
2124         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
2125         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
2126
2127 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
2128
2129         * PR target/19162
2130         * arm.c (arm_apply_result_size): New function.
2131         * arm.h (APPLY_RESULT_SIZE): Define.
2132         * arm-protos.h (arm_apply_result_size): Add prototype.
2133         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
2134         (movxf): New expand.
2135         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
2136         (call_value_symbol): Remove predicate for operand 0.
2137         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
2138         (untyped_call): Rework to correclty return values for any type.
2139         (untyped_return): New expand.
2140         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
2141
2142 2005-02-16  Stan Shebs  <shebs@apple.com>
2143
2144         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
2145         * config/rs6000/t-darwin8: New, for 64-bit multilib.
2146
2147 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
2148
2149         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
2150         configure settings on Solaris 7 and later.
2151
2152 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
2153
2154         PR tree-optimization/19865
2155         * tree-optimize.c (init_tree_optimization_passes): Run
2156         pass_may_alias after pass_sra.
2157
2158 2005-02-16  Richard Henderson  <rth@redhat.com>
2159             Stuart Hastings  <stuart@apple.com>
2160
2161         PR debug/19521
2162         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
2163         Do nothing if debug info suppressed for this function.
2164         (dbxout_begin_function): Early exit if debug info suppressed for
2165         this function.
2166
2167 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
2168
2169         PR target/20007
2170         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
2171         find_basic_blocks.
2172         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2173
2174         PR tree-optimization/19967
2175         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
2176         expand_builtin_strchr, expand_builtin_strrchr): Take a new
2177         argument TYPE.  Adjust calls to fold_builtin_XXX.
2178         (expand_builtin, fold_builtin_1): Adjust calls to
2179         expand_builtin_XXX.
2180         (fold_builtin_strchr, fold_builtin_strpbrk,
2181         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
2182         result to a requested type TYPE.
2183
2184 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
2185
2186         PR middle-end/19857
2187         * fold-const.c (fold): Don't optimize (T)(x & cst) to
2188         (T)x & (T)cst if (T)cst overflows.
2189         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
2190         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
2191
2192 2005-02-15  Jeff Law  <law@redhat.com>
2193
2194         * gcse.c (blocks_with_calls): New bitmap.
2195         (alloc_gcse_mem): Allocate it.
2196         (free_gcse_mem): Free it.
2197         (clear_modifY_mem_tables): Clear it.
2198         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
2199         when we encounter CALL_INSNs.
2200         (compute_transp, case MEM): Handle blocks with calls separate
2201         from blocks without calls.  Use bitmap iterators rather than
2202         FOR_EACH_BB.
2203
2204 2005-02-15  Peter O'Gorman  <peter@pogma.com>
2205
2206         PR bootstrap/18810
2207         * mklibgcc.in (vis_hide): Use a temporary object file, not
2208         -o /dev/null.
2209
2210 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
2211
2212         PR target/19924
2213         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
2214         access optimization.
2215
2216 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
2217             Alan Modra  <amodra@bigpond.net.au>
2218
2219         PR target/19019
2220         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
2221         (_xlqsub): Rename to __gcc_qsub.
2222         (_xlqmul): Rename to __gcc_qmul.
2223         (_xlqdiv): Rename to __gcc_qdiv.
2224         Provide versioned symbol aliases with old names.
2225         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
2226         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
2227         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
2228         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
2229         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
2230
2231 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2232
2233         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
2234         Fold ~(A - 1) and ~(A + -1) to -A.
2235
2236 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2237
2238         PR pch/14940
2239         PR target/19300
2240         * config/host-linux.c (linux_gt_pch_use_address): Copy from
2241         config/pa/pa-host.c:pa_gt_pch_use_address.
2242
2243 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
2244
2245         * tree-vn.c (get_value_handle): Make sure that given an
2246         is_gimple_min_invariant expression, we always return it.
2247
2248 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2249
2250         * passes.c (rest_of_handle_gcse): Fix a comment.
2251
2252 2005-02-15  Jeff Law  <law@redhat.com>
2253
2254         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
2255         bitmap.
2256         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
2257         (canon_list_insert, record_last_mem_set_info): Similarly.
2258         (clear_modify_mem_tables): Similarly.
2259
2260 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2261
2262         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
2263         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
2264         config/mips/mips.md, config/rs6000/aix.h,
2265         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
2266
2267 2005-02-15  Richard Henderson  <rth@redhat.com>
2268
2269         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
2270         call to be best_edge.
2271
2272 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2273
2274         * basic-block.h: Adjust the prototype for find_basic_blocks.
2275         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
2276         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
2277         find_basic_blocks.
2278
2279         * flow.c (recompute_reg_usage): Remove all arguments.
2280         * passes.c (rest_of_compilation): Adjust the call to
2281         recompute_reg_usage.
2282         * rtl.h: Adjust the prototype for recompute_reg_usage.
2283
2284 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
2285
2286         * tree-dump.c (dump_files): Update to reflect new member
2287         of dump_file_info.
2288         (dump_register): Add new argument.
2289         Set glob name.
2290         (dump_switch_p_1): Check against glob name if doglob was passed.
2291         (dump_switch_p): Check against regular first, then glob if
2292         we didn't have any hits on the dump name.
2293         * tree-optimize.c (register_one_dump_file):
2294         Pass in glob name as well.
2295         * tree-pass.h (struct dump_file_info): Add glob
2296         member.
2297
2298 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
2299
2300         PR preprocessor/16323
2301         * doc/invoke.texi: Document that -Wendif-labels is on by default.
2302
2303 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
2304
2305         PR target/19019
2306         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
2307         (trunctfdf2_internal1): New.
2308         (trunctfdf2_internal2): Renamed from trunctfdf2.
2309
2310 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
2311
2312         PR tree-optimization/19853
2313         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
2314
2315 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2316
2317         * passes.c (rest_of_handle_loop_optimize): Remove calls to
2318         delete_dead_jumptables and cleanup_cfg.
2319
2320 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
2321
2322         * reload.c (find_reloads): Swap address_reloaded flags when
2323         swapping commutative operands.
2324
2325 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
2326
2327         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
2328         Use standard_iv_increment_position for computing the bsi position
2329         for create_iv.
2330         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
2331         the bsi position.
2332
2333 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
2334
2335         PR target/17428
2336         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
2337         life range of hard registers.
2338         * value-prof.c (insn_prefetch_values_to_profile): Only
2339         scan normal insns.
2340
2341         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
2342         profile in libcalls.
2343
2344 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
2345
2346         * bitmap.h (bitmap_and_compl_into): Return bool.
2347         * bitmap.c (bitmap_and_compl_into): Return changed flag.
2348
2349 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2350
2351         PR tree-optimization/19944
2352         * fold-const.c (fold): Re-add ABS_EXPR folding.
2353
2354 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
2355
2356         PR target/19019
2357         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
2358         {TARGET,MASK}_XL_COMPAT.
2359         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
2360         MASK_XL_COMPAT.
2361         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
2362         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
2363         TARGET_XL_COMPAT.
2364         (rs6000_arg_partial_bytes): Same.
2365         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
2366         and XL compatibility enabled.
2367         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
2368         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
2369         test to final condition.
2370         (cmptf_internal2): New.
2371         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
2372         xl-compat.  Add TFmode information to description.
2373
2374 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
2375
2376         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
2377
2378 2005-02-13  Jason Merrill  <jason@redhat.com>
2379
2380         PR c++/16405
2381         * fold-const.c (fold_indirect_ref_1): Split out from...
2382         (build_fold_indirect_ref): Here.
2383         (fold_indirect_ref): New fn.
2384         * tree.h: Declare it.
2385         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
2386         (gimplify_modify_expr_rhs): Likewise.
2387         (gimplify_expr): Likewise.
2388
2389 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2390
2391         PR tree-optimization/14303
2392         PR tree-optimization/15784
2393         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
2394         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
2395         ABS_EXPR<x> != 0 to x != 0.
2396
2397 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
2398
2399         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
2400         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
2401         spelling conventions.
2402
2403         * passes.c (rest_of_handle_gcse): Don't run cse_main and
2404         delete_trivially_dead_insns too many times.
2405
2406         * passes.c (rest_of_handle_gcse): Remove dead assignments to
2407         tem and tem2.
2408
2409 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2410
2411         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
2412         (vect_is_simple_iv_evolution): Remove redundant parameter
2413         and step check.
2414         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
2415         without last parameter.
2416         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
2417         Return pointer step. Call vect_is_simple_iv_evolution without
2418         last parameter. Check only that the step is multiple of size
2419         type. Remove stmt_vinfo updates.
2420         (vect_get_memtag_and_dr): Remove.
2421         (vect_get_memtag): New function.
2422         (vect_address_analysis): New function.
2423         (vect_object_analysis): New function.
2424         (vect_analyze_data_refs): Call vect_object_analysis and
2425         vect_get_memtag. Update stmt_vinfo fields.
2426
2427 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2428
2429         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
2430         exist and are objects. Remove checks for pointer.
2431         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
2432         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
2433         (vect_create_data_ref_ptr): Likewise.
2434         (vect_base_addr_differ_p): New function.
2435         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
2436         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
2437         Don't set the DR_BASE_NAME field of data-ref.
2438         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
2439
2440 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
2441
2442         * optabs.h (enum optab_index): Add new OTI_ldexp.
2443         (ldexp_optab): Define corresponding macro.
2444         * optabs.c (init_optabs): Initialize ldexp_optab.
2445         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
2446         patterns.
2447         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
2448         using ldexp_optab.
2449         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
2450         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
2451
2452         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
2453         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
2454         intrinsics.
2455
2456 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2457
2458         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
2459         to base_address.
2460         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
2461         stmt_vec_info.
2462         (vect_get_base_and_offset): Always return an address.
2463         (vect_create_addr_base_for_vector_ref): Remove treatment for
2464         different data reference types.
2465         (vect_compute_data_ref_alignment): Rename base to base_address in
2466         stmt_vec_info. Get the object in order to force its alignment.
2467         (vect_get_memtag_and_dr): Rename base to base_address in
2468         stmt_vec_info. Extract the object for memtag analysis.
2469
2470 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
2471
2472         PR regression/19898.
2473         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
2474         changes cc_status, use apply modified_in_p to part of cc_status
2475         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
2476         body.
2477
2478 2005-02-11  Richard Henderson  <rth@redhat.com>
2479
2480         * tree-complex.c (expand_complex_libcall): New.
2481         (expand_complex_multiplication): Use it for c99 compliance.
2482         (expand_complex_division): Likewise.
2483         * fold-const.c (fold_complex_add, fold_complex_mult): New.
2484         (fold): Call them.
2485         * builtins.c (built_in_names): Remove const.
2486         * tree.c (build_common_builtin_nodes): Build complex arithmetic
2487         builtins.
2488         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
2489         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
2490         (built_in_names): Remove const.
2491         * c-common.c (c_common_type_for_mode): Handle complex modes.
2492         * flags.h, toplev.c (flag_complex_method): Rename from
2493         flag_complex_divide_method.
2494         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
2495         __mulsc3, __muldc3, __mulxc3, __multc3): New.
2496         * libgcc2.h: Declare them.
2497         * libgcc-std.ver: Export them.
2498         * mklibgcc.in (lib2funcs): Build them.
2499
2500 2005-02-11  Steven Bosscher  <stevenb@suse.de>
2501
2502         PR tree-optimization/19876
2503         Partially revert my change from 2005-01-14
2504         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
2505         (compute_antic): ...and remove the loop here.
2506
2507 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
2508
2509         PR middle-end/19858
2510         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
2511         is number of inner's bits, avoid creating a BIT_FIELD_REF.
2512
2513         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
2514         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
2515
2516 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
2517
2518         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2519         offsets for the big-endian 32-bit case.
2520
2521 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
2522
2523         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2524
2525 2005-02-11  Dale Johannesen  <dalej@apple.com>
2526
2527         * cselib.c (cselib_process_insn):  Clear out regs where
2528         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
2529         * reload.c (find_equiv_reg): Ditto.
2530
2531 2005-02-11  Ian Lance Taylor  <ian@airs.com>
2532
2533         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
2534         with no elements.
2535
2536         * tree.c (build_function_type_list): Work correctly if there are
2537         no arguments.
2538
2539 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
2540
2541         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
2542         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
2543         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
2544         TARGET_ZARCH instead of TARGET_64BIT.
2545
2546 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
2547
2548         * config/rs6000/t-rtems:
2549         (MULTILIB_OPTIONS): Remove mcpu=602.
2550         (MUTLILIB_DIRNAMES): Remove m602.
2551         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
2552         Let mcpu=602 match mcpu=603.
2553         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
2554
2555 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2556
2557         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
2558         signal trampolines.
2559
2560 2005-02-10  David Daney  <ddaney@avtrex.com>
2561
2562         * config/alpha/linux-unwind.h: Add exception clause to copyright.
2563         * config/i386/linux-unwind.h: Likewise.
2564         * config/ia64/linux-unwind.h: Likewise.
2565         * config/mips/linux-unwind.h: Likewise.
2566         * config/pa/linux-unwind.h: Likewise.
2567         * config/rs6000/linux-unwind.h: Likewise.
2568         * config/s390/linux-unwind.h: Likewise.
2569         * config/sh/linux-unwind.h: Likewise.
2570         * config/sparc/linux-unwind.h: Likewise.
2571
2572 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2573
2574         PR tree-optimization/17549
2575         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
2576         TER to replace a DEF with its expression if the DEF and the
2577         rhs of the expression we replace into have the same root
2578         variable.
2579
2580 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
2581
2582         * config/mips/mips.md: Fix the placement of the match_scratch in the
2583         lea64 peephole2.
2584
2585 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2586
2587         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
2588         Fix comment typos.
2589
2590 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
2591
2592         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
2593         (strip_offset): Handle addresses.
2594         (add_address_candidates): Use strip_offset.
2595         (difference_cost): Reflect strip_offset change.
2596         (force_var_cost, difference_cost): Strip nops.
2597
2598 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2599
2600         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
2601
2602         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
2603         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
2604         config/cris/cris-protos.h, config/cris/cris.c: Update
2605         copyright.
2606
2607 2005-02-10  Jeff Law  <law@redhat.com>
2608
2609         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
2610         (lookup_avail_expr): Similarly.
2611
2612 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
2613
2614         * builtins.c (fold_builtin_powi): New function.
2615         (fold_builtin_1): Call it.
2616
2617 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2618
2619         PR documentation/19309
2620         * doc/cpp.texi: The __GNUC__ and related predefined macros
2621         are also defined for the "standalone" cpp.
2622         Some non-GCC compilers may also define __GNUC__.
2623
2624 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
2625
2626         PR c/19342
2627         * c-typeck.c (common_type): New routine.  Old common_type renamed
2628         to...
2629         (c_common_type): ...this.
2630         (build_conditional_expr, build_binary_op): Use c_common_type instead
2631         of common_type.
2632
2633 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2634
2635         * doc/md.texi: Replace @samp{length} with @code{length}.
2636
2637 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2638
2639         PR tree-optimization/18687
2640         * tree-flow.h (find_loop_niter): Declare.
2641         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2642         Try using scev even for loops with more than one exit.
2643         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
2644         (struct ivopts_data): Added niters field.
2645         (struct nfe_cache_elt): New.
2646         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
2647         functions.
2648         (tree_ssa_iv_optimize_init): Initialize niters cache.
2649         (determine_number_of_iterations): Removed.
2650         (find_induction_variables): Do not call determine_number_of_iterations.
2651         Access niters for single exit through niter_for_single_dom_exit.
2652         (add_iv_outer_candidates): Access niters for single exit through
2653         niter_for_single_dom_exit.
2654         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
2655         number_of_iterations_cond.
2656         (iv_period): New function.
2657         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
2658         (may_replace_final_value): Take data argument.  Use
2659         niter_for_single_dom_exit.
2660         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
2661         (rewrite_use_compare): Pass data to may_eliminate_iv.
2662         (rewrite_use_outer): Pass data to may_replace_final_value.
2663         (free_loop_data): Clean up the niters cache.
2664         (tree_ssa_iv_optimize_finalize): Free the niters cache.
2665         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
2666         * tree-ssa-loop-niter.c (find_loop_niter): New function.
2667         (find_loop_niter_by_eval): Use tree_int_cst_lt.
2668         (num_ending_zeros): Moved to tree.c.
2669         * tree.h (num_ending_zeros): Declare.
2670         * tree.c (num_ending_zeros): Moved from tree.c.
2671
2672 2005-02-09  Richard Henderson  <rth@redhat.com>
2673
2674         * builtins.c (DEF_BUILTIN): Add COND argument.
2675         * tree.h (DEF_BUILTIN): Likewise.
2676         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
2677         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
2678         match.
2679         (DEF_BUILTIN_STUB): New.
2680         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
2681         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
2682         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
2683         * c-common.c (DEF_BUILTIN): Add COND argument.
2684         * tree.c (local_define_builtin): New.
2685         (build_common_builtin_nodes): New.
2686
2687 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2688
2689         * fold-const.c (fold_strip_sign_ops): New function to simplify a
2690         floating point expression ignoring the sign of the result.
2691         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
2692         (fold) <MULT_EXPR>: Use it to simplify x*x.
2693         * tree.h (fold_strip_sign_ops): Prototype here.
2694         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
2695         argument.  Use fold_strip_sign_ops to simplify the first argument.
2696         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
2697         first argument when the second argument is an even integer
2698         constant, but only with -funsafe_math_optimizations.
2699         (fold_builtin_1): Update call to fold_builtin_copysign.
2700
2701 2005-02-09  Ian Lance Taylor  <ian@airs.com>
2702
2703         PR middle-end/19583
2704         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
2705         just check whether EH_FILTER_FAILURE falls through.
2706
2707 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2708
2709         * gcc/haifa-sched.c (schedule_block): Make queued sched group
2710         insns return to ready list in the next turn.
2711
2712 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2713
2714         PR middle-end/19402
2715         * builtins.def: New __builtin_powi[lf].
2716         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
2717         (expand_builtin_powi): New function.
2718         (expand_builtin): Dispatch to expand_builtin_powi.
2719         * libgcc2.h: Add prototypes for __builtin_powi[lf].
2720         * libgcc2.c: Add __builtin_powi[lf] implementation.
2721         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
2722         * optabs.h: Add powi_optab.
2723         * optabs.c (init_optabs): Initialize powi_optab.
2724         * doc/extend.texi: Document __builtin_powi[lf].
2725
2726 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
2727
2728         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
2729         exists.
2730
2731 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2732
2733         PR middle-end/19854
2734         * fold-const.c (try_move_mult_to_index): Remove redundant
2735         type argument.  Create ADDR_EXPR with correct type.
2736         (fold): Update callers of try_move_mult_to_index.  Convert
2737         result to the appropriate type.
2738
2739 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2740
2741         PR target/19597
2742         * config/avr/avr.c (default_rtx_costs): Delete.
2743         (avr_operand_rtx_cost): New function.
2744         (avr_rtx_costs): Completely rewrite.
2745
2746 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
2747
2748         PR target/19806
2749         * config/cris/cris.c (in_code): New variable.
2750         (cris_output_addr_const): Now a static function, a wrapper for
2751         output_addr_const.
2752         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
2753         case from old cris_output_addr_const.
2754         (cris_asm_output_label_ref): Similar for LABEL_REF.
2755         (cris_output_addr_const_extra): Similar for UNSPEC.
2756         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
2757         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
2758         * config/cris/cris-protos.h (cris_output_addr_const): Remove
2759         declaration.
2760         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
2761         (cris_asm_output_label_ref): Declare.
2762
2763 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
2764
2765         PR preprocessor/19801
2766         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
2767         filenames that changed when libcpp was moved to the toplevel.
2768
2769 2005-02-07  Roger Sayle  <roger@eyesopen.com>
2770
2771         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2772         zero extensions of BImode operands.  Call lowpart_subreg instead
2773         of gen_lowpart_common and gen_lowpart_SUBREG.
2774
2775 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
2776
2777         PR ada/19489
2778         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
2779         * configure.ac: Set cc_for_cross_gnattools.
2780         * configure: Regenerate.
2781
2782 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
2783
2784         PR target/19803
2785         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
2786
2787 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2788
2789         PR debug/19327
2790         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
2791         of nested functions.
2792
2793 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
2794
2795         * doc/extend.texi: Document deprecated extensions allowing
2796         static floating-point members to have initializers and allowing
2797         floating-point literals in integral constant expressions.
2798
2799 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
2800
2801         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
2802         config/darwin7.h, config/mips/mips.c,
2803         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
2804         Update copyright.
2805
2806         * cse.c: Update comments.
2807
2808 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
2809
2810         PR middle-end/19775
2811         * builtins.c (fold_builtin_sqrt): Transform
2812         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
2813         pow(x,y*0.5).
2814
2815 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
2816             Dorit Naishlos  <dorit@il.ibm.com>
2817
2818         * doc/invoke.texi (ftree-vectorizer-verbose): New.
2819         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
2820         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
2821         was added.
2822         * tree.h (vect_set_verbosity_level): New extern function declaration
2823         added.
2824         * tree-vectorizer.h (verbosity_levels): New enum type.
2825         * tree-vectorizer.c (vect_debug_stats): Function removed.
2826         (vect_debug_details): Likewise.
2827         (vect_verbosity_level): Global variable was defined and initialized.
2828         (vect_dump): Global variable definition.
2829         (vect_print_dump_info): New function.
2830         (vect_set_dump_settings): New function.
2831         (vect_set_verbosity_level): New function.
2832         (vectorize_loops): Add call to vect_set_dump_settings.
2833
2834         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
2835         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2836         (slpeel_tree_peel_loop_to_edge): Likewise.
2837
2838         (vect_analyze_offset_expr): Call to vect_print_dump_info with
2839         appropriate verbosity level instead of call to vect_debug_details
2840         or vect_debug_stats.
2841         (vect_get_base_and_offset):
2842         (vect_create_addr_base_for_vector_ref):
2843         (get_vectype_for_scalar_type):
2844         (vect_create_data_ref_ptr):
2845         (vect_init_vector):
2846         (vect_get_vec_def_for_operand):
2847         (vect_finish_stmt_generation):
2848         (vectorizable_assignment):
2849         (vectorizable_operation):
2850         (vectorizable_store):
2851         (vectorizable_load):
2852         (vect_transform_stmt):
2853         (vect_update_ivs_after_vectorizer):
2854         (vect_do_peeling_for_loop_bound):
2855         (vect_update_inits_of_drs):
2856         (vect_do_peeling_for_alignment):
2857         (vect_transform_loop):
2858         (vect_is_simple_use):
2859         (vect_analyze_operations):
2860         (vect_is_simple_iv_evolution):
2861         (vect_analyze_scalar_cycles):
2862         (vect_analyze_data_ref_dependence):
2863         (vect_analyze_data_ref_dependences):
2864         (vect_compute_data_ref_alignment):
2865         (vect_enhance_data_refs_alignment):
2866         (vect_analyze_data_refs_alignment):
2867         (vect_analyze_data_ref_access):
2868         (vect_analyze_data_ref_accesses):
2869         (vect_analyze_pointer_ref_access):
2870         (vect_get_memtag_and_dr):
2871         (vect_analyze_data_refs):
2872         (vect_mark_relevant):
2873         (vect_stmt_relevant_p):
2874         (vect_mark_stmts_to_be_vectorized):
2875         (vect_can_advance_ivs_p):
2876         (vect_get_loop_niters):
2877         (vect_analyze_loop_form):
2878         (vect_analyze_loop):
2879         (vectorize_loops): Likewise.
2880
2881         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
2882         (vect_update_inits_of_drs):
2883         (vect_do_peeling_for_alignment):
2884         (vect_transform_loop):
2885         (vect_analyze_operations):
2886         (vect_analyze_scalar_cycles):
2887         (vect_analyze_data_ref_dependences):
2888         (vect_analyze_data_refs_alignment):
2889         (vect_analyze_data_ref_accesses):
2890         (vect_analyze_data_refs):
2891         (vect_mark_stmts_to_be_vectorized):
2892         (vect_get_loop_niters):
2893         (vect_analyze_loop_form):
2894         (vect_analyze_loop): Likewise.
2895         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
2896
2897 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
2898
2899         PR bootstrap/19796
2900         Revert:
2901         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2902         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2903         either -ffast-math or -funsafe-math-optimizations is in use.
2904
2905         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2906         * config/mips/irix-csr.c: New file.
2907         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2908         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2909         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2910         executables.
2911
2912 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
2913
2914         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
2915         redundant, incorrect definitions.
2916
2917         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
2918         expand.
2919         ("*tls_indirect_call"): New, reference hard regs directly.
2920         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
2921
2922 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2923
2924         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
2925         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
2926
2927 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2928
2929         PR rtl-optimization/19800
2930         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
2931         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
2932         gen_lowpart.
2933
2934 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2935
2936         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
2937
2938 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
2939
2940         PR other/17135
2941         * doc/invoke.texi: Correct documentation of -freorder-functions.
2942
2943 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2944
2945         PR other/14402
2946         * doc/invoke.texi: Don't mention gccbug.
2947
2948 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2949             Andrew Pinski  <pinskia@physics.uc.edu>
2950             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
2951
2952         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2953         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
2954         into just (zero_extract:SI FOO (const_int 1) BAR).
2955
2956 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2957
2958         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
2959         macro locally.  Don't give last revision date.  Use GCC version
2960         number from gcc-common.texi.
2961         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
2962         revision date.  Use GCC version number from gcc-common.texi.
2963         Describe being a library as current state rather than as 3.x
2964         history.
2965         * doc/gcc.texi: Remove last update date.
2966         * doc/gccint.texi: Likewise.  Update copyright dates.
2967         * doc/install.texi: Update copyright dates.
2968
2969 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2970
2971         PR other/7549
2972         * doc/invoke.texi: Mention for each option included in -Wall that
2973         it is included in -Wall.
2974         * doc/gcc.texi: Update copyright and last modification date.
2975
2976 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2977
2978         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
2979         unnecessary cast to original induction variable increments.
2980
2981 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2982
2983         PR tree-optimization/18219
2984         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
2985         in distributed form.
2986
2987 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
2988
2989         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
2990         Set bitpos and offset later in the function.  Do nothing if the
2991         target is a register and if the bitfield lies completely outside
2992         that register.
2993         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
2994         here.  Return an uninitialised register if the source value is stored
2995         in a register and the bitfield lies completely outside that register.
2996
2997 2005-02-06  Steven Bosscher  <stevenb@suse.de>
2998
2999         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
3000         not SET_DEST.
3001
3002 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
3003
3004         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
3005
3006 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
3007
3008         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
3009         * config/darwin8.h: New.
3010         * config/darwin7.h: Update comment.
3011
3012 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
3013             Dorit Naishlos  <dorit@il.ibm.com>
3014
3015         * tree-vectorizer.h (LOC): New type.
3016         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
3017         (loop_line_number): New field in struct _loop_vec_info.
3018         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
3019
3020         * tree-vectorizer.c (input.h): Included.
3021         (find_loop_location): New function.
3022         (vect_debug_stats): Argument changed from loop to LOC. Computation of
3023         loop line number removed.
3024         (vect_debug_details): Likewise.
3025         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
3026
3027         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
3028         call to vect_debug_details/stats changed from loop to loop_loc.
3029         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3030         (slpeel_tree_peel_loop_to_edge): Likewise.
3031
3032         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
3033         changed from NULL to UNKNOWN_LOC.
3034         (vect_get_base_and_offset):
3035         (vect_create_addr_base_for_vector_ref):
3036         (get_vectype_for_scalar_type):
3037         (vect_create_data_ref_ptr):
3038         (vect_init_vector):
3039         (vect_get_vec_def_for_operand):
3040         (vect_finish_stmt_generation):
3041         (vectorizable_assignment):
3042         (vectorizable_operation):
3043         (vectorizable_store):
3044         (vectorizable_load):
3045         (vect_transform_stmt):
3046         (vect_update_ivs_after_vectorizer):
3047         (vect_do_peeling_for_loop_bound):
3048         (vect_do_peeling_for_alignment):
3049         (vect_transform_loop):
3050         (vect_is_simple_use):
3051         (vect_analyze_operations):
3052         (vect_is_simple_iv_evolution):
3053         (vect_analyze_scalar_cycles):
3054         (vect_analyze_data_ref_dependences):
3055         (vect_compute_data_ref_alignment):
3056         (vect_enhance_data_refs_alignment):
3057         (vect_analyze_data_ref_access):
3058         (vect_analyze_data_ref_accesses):
3059         (vect_analyze_pointer_ref_access):
3060         (vect_get_memtag_and_dr):
3061         (vect_analyze_data_refs):
3062         (vect_mark_relevant):
3063         (vect_stmt_relevant_p):
3064         (vect_mark_stmts_to_be_vectorized):
3065         (vect_can_advance_ivs_p):
3066         (vect_get_loop_niters):
3067         (vect_analyze_loop):
3068         (vectorize_loops): Likewise.
3069
3070         (vectorizable_load): Argument in call to vect_debug_details/stats
3071         changed from loop to LOOP_LOC (loop_vinfo).
3072         (vect_transform_loop):
3073         (vect_analyze_operations):
3074         (vect_analyze_scalar_cycles):
3075         (vect_analyze_data_ref_dependence):
3076         (vect_enhance_data_refs_alignment):
3077         (vect_analyze_data_ref_accesses):
3078         (vect_analyze_pointer_ref_access):
3079         (vect_analyze_data_refs):
3080         (vect_analyze_loop): Likewise.
3081
3082         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
3083         changed from loop to loop_loc.
3084
3085         (vect_enhance_data_refs_alignment): Removed unused variable loop.
3086
3087 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
3088             Dorit Naishlos  <dorit@il.ibm.com>
3089
3090         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
3091         declaration added.
3092         (vect_analyze_data_ref_dependences): Likewise.
3093
3094         (vect_is_simple_use): Argument changed from loop structure to
3095         loop_vect_info structure.
3096         (vect_can_advance_ivs_p): Likewise.
3097         (vect_create_index_for_vector_ref): Likewise.
3098         (vect_update_ivs_after_vectorizer): Likewise.
3099         (new_stmt_vec_info): Likewise.
3100
3101         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
3102         changed from loop to loop_vinfo.
3103         (vect_create_data_ref_ptr): First argument in call to
3104         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
3105         (vectorizable_assignment): Second argument in call to vect_is_simple_use
3106         was changed from loop to loop_vinfo.
3107         (vectorizable_operation): Likewise.
3108         (vectorizable_store): Likewise.
3109         (vect_mark_stmts_to_be_vectorized): Likewise.
3110         (vect_do_peeling_for_loop_bound): First argument in call to
3111         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
3112         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
3113         was changed from loop to loop_vinfo.
3114         (vect_analyze_data_ref_dependences): Third argument in call to
3115         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
3116
3117         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
3118         (vect_create_data_ref_ptr): Likewise.
3119         (vect_init_vector): Likewise.
3120         (vect_get_vec_def_for_operand): Likewise.
3121         (vectorizable_assignment): Likewise.
3122         (vectorizable_operation): Likewise.
3123         (vectorizable_store): Likewise.
3124         (vectorizable_load): Likewise.
3125         (vect_update_ivs_after_vectorizer): Likewise.
3126         (vect_is_simple_use): Likewise.
3127         (vect_analyze_data_ref_dependence): Likewise.
3128         (vect_analyze_pointer_ref_access): Likewise.
3129         (vect_can_advance_ivs_p): Likewise.
3130
3131         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
3132         before _stmt_vec_info.
3133         (_stmt_vec_info): Loop field replaced by loop_vec_info.
3134         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
3135         (new_stmt_vec_info): Argument changed from loop structure to
3136         loop_vect_info structure
3137
3138         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
3139         (vect_analyze_offset_expr): Avoid 80 columns overflow.
3140         (vect_create_addr_base_for_vector_ref): Likewise.
3141         (vect_analyze_pointer_ref_access): Likewise.
3142
3143 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
3144
3145         PR tree-opt/19768
3146         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
3147         phi flag if the phi is abnormal.
3148
3149 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
3150
3151         PR tree-opt/19736
3152         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
3153         information for the new statement.
3154
3155 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3156
3157         PR driver/19117
3158         * gcc.c (main): Include the target in -v output.
3159
3160 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
3161
3162         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
3163         Do not drop the extend if we'd have to add a paradoxical subreg
3164         later.  Include optabs.h and insn-codes.h.
3165         * Makefile.in (combine.o): Depend on $(OPTABS_H).
3166
3167 2005-02-02  Roger Sayle  <roger@eyesopen.com>
3168
3169         PR middle-end/19405
3170         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
3171         * fold-const.c (const_binop): Avoid constant folding floating
3172         point operations in modes that use composite representations.
3173         * simplify-rtx.c (simplify_binary_operation): Likewise.
3174
3175 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
3176
3177         * config/rs6000/altivec.md (altivec_dst): Make the first operand
3178         a REG, not a MEM.
3179         (altivec_dstt): Likewise.
3180         (altivec_dstst): Likewise.
3181         (altivec_dststt): Likewise.
3182         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
3183         of first operand.
3184
3185 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3186
3187         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
3188         EXPR_LOCUS from orig_cond to the new cond_stmt.
3189         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
3190         the new vec_stmt.
3191
3192 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3193
3194         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
3195         standard_iv_increment_position. Remove call to bsi_next
3196         (no need to bump the iterator anymore).
3197         (vect_create_index_for_vector_ref): Call
3198         standard_iv_increment_position. Remove second function argument.
3199         (vect_finish_stmt_generation): Remove call to bsi_next
3200         (no need to bump the iterator anymore).
3201         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
3202         to vect_create_index_for_vector_ref.
3203
3204 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3205
3206         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
3207         phis are used out of the loop.
3208
3209 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3210
3211         PR c/17807
3212         * c-decl.c (undef_nested_function): New variable.
3213         (pop_scope): Diagnose undefined nested functions.
3214         (finish_function): Don't attempt cgraph processing or genericizing
3215         if current top-level function contained an undefined nested
3216         function.  Reset undef_nested_function at the end of a top-level
3217         function.
3218
3219 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
3220
3221         * tree.c (build_int_cst_type): Take sign of the value into account
3222         when deciding whether sign extend the value.
3223
3224 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3225
3226         PR c/18502
3227         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
3228         (cpp_options, cc1_options): Change %{std*&ansi} to
3229         %{std*&ansi&trigraphs}.
3230
3231 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3232
3233         * cse.c: Update comments.
3234
3235 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
3236
3237         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
3238         arguments go on the stack.  Do not put complex doubles in odd/even
3239         pairs.
3240
3241 2005-02-02  Steven Bosscher  <stevenb@suse.de>
3242
3243         * doc/invoke.texi: Update the options enabled at -O1, -O2,
3244         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
3245         -ftree-pre, and -fthread-jumps.
3246
3247 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
3248
3249         PR tree-optimization/19578
3250         * tree-flow.h (modified_noreturn_calls): Declare.
3251         (noreturn_call_p): Declare.
3252         * tree-flow-inline.h (noreturn_call_p): New function.
3253         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
3254         * tree-cfg.c (modified_noreturn_calls): New variable.
3255         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
3256         that contain a mid-block noreturn call.
3257         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
3258
3259 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3260
3261         * df.c (df_def_record_1, df_uses_record): Don't use
3262         DF_FOR_REGALLOC.
3263         * df.h (DF_FOR_REGALLOC): Remove.
3264
3265 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3266
3267         PR c/19435
3268         * c-typeck.c (really_start_incremental_init): Reset
3269         constructor_max_index for arrays of incomplete type.
3270
3271 2005-02-02  Jeff Law  <law@redhat.com>
3272
3273         * gcse.c (struct reg_set): Store the block index where the register
3274         was set rather than the setting insn.
3275         (record_one_set, compute_transp): Corresponding changes.
3276         (pre_insert_copy_insn): Do not call replace_one_set.
3277         (replace_one_set): Remove.
3278
3279 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3280
3281         PR other/15514
3282         * doc/gcov.texi: Fix typo.
3283
3284 2005-02-01  Richard Henderson  <rth@redhat.com
3285
3286         PR target/19680
3287         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
3288         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
3289         type to bool.
3290         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
3291         * config/i386/i386-protos.h: Update.
3292
3293 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3294
3295         PR tree-optimization/19217
3296         * tree-cfg.c (verify_expr): Use the data field to see if TP was
3297         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
3298         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
3299         that it is walking a PHI node.
3300
3301 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
3302
3303         * doc/extend.texi (Nested Functions): Update.
3304
3305 2005-02-01  Richard Henderson  <rth@redhat.com>
3306
3307         PR 19696
3308         * optabs.c (expand_copysign_absneg): Export.
3309         * optabs.h (expand_copysign_absneg): Declare.
3310         * config/rs6000/rs6000.md (copysigntf3): New.
3311
3312 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3313
3314         PR tree-optimization/19633
3315         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
3316         * tree-ssa-alias.c (init_alias_info): Initialize.
3317         (merge_pointed_to_info): Set.
3318         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
3319         (dump_points_to_info_for): Show value of pt_null.
3320         (struct count_ptr_d): Declare.
3321         (find_ptr_dereference): Remove.
3322         (ptr_is_dereferenced_by): Remove.
3323         (count_ptr_derefs): New local function.
3324         (count_uses_and_derefs): New local function.
3325         (compute_points_to_and_addr_escape): Call it.  If the number
3326         of dereferences is greater than zero, mark the pointer as
3327         dereferenced.  If there are fewer dereferences than uses of
3328         the pointer, the pointer's value escapes.
3329
3330 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3331
3332         PR tree-optimization/19670
3333         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
3334         here...
3335         (verify_use): ... set it here, instead.
3336
3337 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
3338
3339         * doc/sourcebuild.texi (Test directives): Fix formatting.
3340
3341         * doc/sourcebuild.texi (Test directives): Describe selector
3342         expressions.
3343
3344 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
3345
3346         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
3347         specific 64-bit CPUs.
3348
3349 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
3350
3351         PR target/16201
3352         * arm.c (arm_eliminable_register): New function.
3353         (adjacent_mem_locations): Don't allow eliminable registers.  Use
3354         HOST_WIDE_INT for address offsets.
3355         * arm-protos.h (arm_eliminable_register): Add prototype.
3356
3357 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3358
3359         PR optimization/15242
3360         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
3361         * basic-block.h (duplicate_computed_gotos): Add prototype.
3362         * bb-reorder.c (duplicate_computed_gotos): New function to
3363         duplicate sufficiently small blocks ending in a computed jump.
3364         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
3365         if not optimizing for size.
3366         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
3367         never do tail merging for blocks ending in a computed jump.
3368         * doc/invoke.texi: Document the max-goto-duplication-insns param.
3369
3370 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
3371
3372         Patch from Richard Sandiford <rsandifo@redhat.com>
3373         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
3374         from inheriting a subreg equivalence with a non-spill register.
3375
3376         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
3377
3378 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
3379
3380         * config/frv/frv.c (movcc_fp_destination_operand): New.
3381         (gpr_or_memory_operand): Fix typo in comment.
3382         (gpr_or_memory_operand_with_scratch): New.
3383         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
3384         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
3385         movcc_fp_destination_operand.
3386         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
3387         Legitimize memory addresses using a scratch register.
3388
3389 2005-01-31  Jeff Law  <law@redhat.com>
3390
3391         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
3392         bitmap a sparse bitmap instead of a simple bitmap.
3393         (mark_def_sites_initialize_block):  Corresponding changes.
3394         (ssa_mark_def_sites_initialize_block): Likewise.
3395         (ssa_mark_phi_uses): Likewise.
3396         (mark_def_site, ssa_mark_def_sites): Likewise.
3397         (mark_def_site_blocks): Likewise.
3398         (rewrite_ssa_into_ssa): Likewise.
3399
3400         * tree-ssa-dom.c (record_cond): Pass correct variable type
3401         for last argument to htab_find_slot_with_hash.
3402
3403         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
3404         effects when optimizing 0 % X.  Do not try to optimize X % 0.
3405
3406 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
3407
3408         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
3409         1_mmalua.
3410
3411 2005-02-01  Eric Christopher  <echristo@redhat.com>
3412
3413         * config/mips/mips.c (override_options): Warn if -mint64
3414         is used.
3415         * doc/invoke.texi (MIPS Options): Document that -mint64 is
3416         deprecated.
3417
3418 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
3419
3420         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
3421         timestamp.
3422         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
3423         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
3424         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
3425         (cached_regno): Initialize to INVALID_REGNUM.
3426         (cse_reg_info_table_size,
3427         cse_reg_info_table_first_uninitialized,
3428         cse_reg_info_timestamp): New.
3429         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
3430         get_cse_reg_info.
3431         (init_cse_reg_info, get_cse_reg_info_1): New.
3432         (get_cse_reg_info): Cache the last look-up.
3433         (new_basic_block): Update the code to clear mappings from
3434         registers to cse_reg_info entries.
3435         (cse_main): Call init_cse_reg_info.
3436
3437         * cse.c (get_cse_reg_info): Update a comment.
3438
3439 2005-01-31  Steven Bosscher  <stevenb@suse.de>
3440
3441         PR c/19333
3442         * c-decl.c (start_decl): Do not warn about arrays of elements with
3443         an incomplete type here.
3444         (grokdeclarator): Do it here by making a pedwarn an error.
3445         * c-typeck.c (push_init_level): If there were previous errors with
3446         the constructor type, do not warn about braces for initializers.
3447         (process_init_element): Likewise for excess initializer elements.
3448
3449 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
3450
3451         * cse.c (delete_trivially_dead_insn): Don't iterate.
3452
3453 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
3454
3455         * config/rs6000/rs6000.md (copysignsf3): New expand.
3456         (copysigndf3): Likewise.
3457
3458 2005-01-31  Steven Bosscher  <stevenb@suse.de>
3459
3460         * recog.c (constrain_operands): Only look for earlyclobber operand
3461         conflicts if an '&' constraint was seen.
3462
3463 2005-01-31  Marc Espie <espie@openbsd.org>
3464
3465         * config.gcc: Don't include embedded systems fragment, switches default
3466         debugging format to ELF.
3467         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
3468         longer pick it up there.
3469
3470 2005-01-31  Dale Johannesen  <dalej@apple.com>
3471
3472         * doc/extend.texi (nested functions): Fix linkage description.
3473         Clarify that static is not allowed.
3474
3475 2005-01-31  Dale Johannesen  <dalej@apple.com>
3476
3477         * config/rs6000/darwin.md (movsf_low_di):  Make work.
3478         (movdf_low_di):  Make work.
3479
3480 2005-01-31  Dale Johannesen  <dalej@apple.com>
3481
3482         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
3483         Make work for 64 bit.
3484
3485 2005-01-31  Roger Sayle  <roger@eyesopen.com>
3486             Dale Johannesen  <dalej@apple.com>
3487
3488         PR middle-end/19650
3489         * fold-const.c (fold_binary_op_with_conditional_arg):
3490         Make types match original operands, before STRIP_NOPS.
3491
3492 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
3493
3494         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
3495         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
3496         (struct gcc_sigcontext): Delete.  Merge contents to..
3497         (struct gcc_ucontext): ..here.
3498         (get_sigcontext): Delete.
3499         (get_regs): New function, like get_sigcontext but return regs ptr.
3500         64-bit version finds regs from r1 to support vdso.
3501         (ppc_linux_aux_vector): New function.
3502         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
3503         and vector regs.
3504
3505 2005-01-31  Ira Rosen  <irar@il.ibm.com>
3506
3507         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
3508         sizetype.
3509         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
3510         redundant fold. Fix misalignment for MINUS_EXPR.
3511         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
3512         (vect_analyze_pointer_ref_access): Likewise.
3513         (vect_get_memtag_and_dr): Likewise.
3514
3515 2005-01-31  Richard Henderson  <rth@redhat.com>
3516
3517         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
3518         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
3519         absnegdf2_i387, absnegxf2_i387): Likewise.
3520
3521 2005-01-31  Richard Henderson  <rth@redhat.com>
3522
3523         PR 19696
3524         * optabs.c (expand_copysign_absneg): New.
3525         (expand_copysign_bit): Split out from ...
3526         (expand_copysign): ... here.  Use expand_copysign_absneg.
3527
3528 2005-01-30  Roger Sayle  <roger@eyesopen.com>
3529
3530         PR middle-end/19697
3531         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
3532         constant as the second operand and a register as the third.
3533
3534 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
3535
3536         PR target/19704
3537         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
3538         that dllimport'd functions do not use all call-clobbered registers
3539         to pass parameters.
3540
3541 2005-01-30  Richard Henderson  <rth@redhat.com>
3542
3543         PR 19696
3544         * optabs.c (expand_absneg_bit): Split out from expand_unop and
3545         expand_abs_nojump and generalize.  Use operand_subword and
3546         emit_no_conflict_block.  Support large modes.
3547         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
3548         back to maximum.
3549         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
3550         negation to subtraction.
3551         (expand_copysign): Check that the format has signed zeros.
3552         Use operand_subword and emit_no_conflict_block.  Support large modes.
3553
3554 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
3555
3556         Fix PR tree-optimization/19624
3557
3558         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
3559         * tree-ssa-pre.c: Add cfgloop.h.
3560         Update comment.
3561         (pre_stats): New member, constified.
3562         (inserted_exprs): New static variable.
3563         (NECESSARY): New macro.
3564         (create_expression_by_pieces): Fold the expression, and
3565         mark it as defaulting to not necessary. Also put in
3566         inserted_exprs.
3567         (fully_constant_expression): New function.
3568         (insert_into_preds_of_block): Modify to not insert phis when we
3569         are playing with induction variables.
3570         Push phis onto the inserted_exprs vector, and mark them as not
3571         necessary by default.
3572         (insert_aux): Call fully_constant_expression on eprime.
3573         If all edges produce the same value, mark it constant.
3574         (mark_operand_necessary): New function.
3575         (remove_dead_inserted_code): New function.
3576         (init_pre): Init loop optimizer to get loop info.
3577         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
3578         (execute_pre): Commit edge inserts, then remove dead code.
3579
3580 2005-01-30  Richard Henderson  <rth@redhat.com>
3581
3582         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
3583         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
3584
3585 2005-01-30  Richard Henderson  <rth@redhat.com>
3586
3587         PR target/19700
3588         * config/i386/i386.c (ix86_expand_copysign): New.
3589         (ix86_split_copysign_const): New.
3590         (ix86_split_copysign_var): Rename from ix86_split_copysign,
3591         rearrange op1/nmask operands.
3592         * config/i386/i386-protos.h: Update.
3593         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
3594         (copysigndf3): Likewise.
3595         (copysignsf3_const, copysigndf3_const): New.
3596         (copysignsf3_var): Rename from copysignsf3, split out splitter
3597         and fix split predicate for X constraint.
3598         (copysigndf3_var): Similarly.
3599
3600 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
3601
3602         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
3603         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
3604         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
3605
3606 2005-01-29  Richard Henderson  <rth@redhat.com>
3607
3608         PR target/19690
3609         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
3610         of # and * in constraints.
3611
3612 2005-01-29  Richard Henderson  <rth@redhat.com>
3613
3614         PR middle-end/19689
3615         * expr.c (store_field): Don't strip sub-mode cast when the input
3616         data is even smaller.
3617
3618 2005-01-29  Richard Henderson  <rth@redhat.com>
3619
3620         PR middle-end/19687
3621         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
3622         union being empty.
3623
3624 2005-01-29  Richard Henderson  <rth@redhat.com>
3625
3626         * combine.c (make_field_assignment): Fix argument order
3627         to gen_int_mode.
3628
3629 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
3630
3631         PR tree-optimization/15791
3632         * fold-const.c (extract_array_ref): New function.
3633         (fold): Fold comparisons between &a[i] and &a[j] or
3634         semantically equivalent trees.
3635
3636 2005-01-29  Jeff Law  <law@redhat.com>
3637
3638         * gcse.c (insert_expr_in_table): Revamp handling of available
3639         and anticipatable occurrence lists to avoid unnecessary list
3640         walking.
3641         (insert_set_in_table): Similarly.
3642
3643 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
3644
3645         * c-common.c (fix_string_type): Just use c_build_qualified_type to
3646         build string type.
3647         (c_build_qualified_type): Build qualified array types with
3648         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
3649         * c-decl.c (c_make_fname_decl): Build unqualified array type
3650         before qualified type.
3651         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
3652         type is qualified, not just if type itself is.  Don't apply
3653         qualifiers to array type when declarator is processed.  Apply
3654         qualifiers to field type whether or not it is an array type.
3655         Don't handle array types specially for applying qualifiers to
3656         variables.
3657         * c-typeck.c (composite_type): Build unqualified element type and
3658         array type when forming composite of array types.
3659         (common_pointer_type, comptypes, comp_target_types,
3660         type_lists_compatible_p, build_indirect_ref, build_array_ref,
3661         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
3662         types.
3663         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
3664         (args2) in variables a1 and a2.
3665
3666 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
3667
3668         * cse.c (n_elements_made, max_elements_made): Remove.
3669         (insert): Don't touch n_elements_made.
3670         (cse_main): Don't touch n_elements_made or max_elements_made.
3671
3672 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
3673
3674         PR target/15384
3675         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
3676         configuration part of dp-bit.c to be lost.
3677
3678 2005-01-28  Roger Sayle  <roger@eyesopen.com>
3679
3680         * expmed.c (expand_mult_highpart_optab): When attempting to use
3681         a non-widening multiplication in a wider mode, the operands need
3682         to be converted (zero or sign extended) to that mode.
3683
3684 2005-01-28  Ian Lance Taylor  <ian@airs.com>
3685
3686         PR middle-end/16558
3687         PR middle-end/19583
3688         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
3689         through if both operands fall through.
3690
3691 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3692
3693         * cse.c (fold_rtx) <PC>: Don't optimize.
3694
3695 2005-01-28  Jeff Law  <law@redhat.com>
3696
3697         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
3698         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
3699
3700 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3701
3702         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
3703         cse_reg_info_used_list_end): Remove.
3704         (cse_reg_info_list, cse_reg_info_list_free): New.
3705         (get_cse_reg_info): When allocating an instance of
3706         cse_reg_info, add it to the beginning of the cse_reg_info_list
3707         list.  Remove code to maintain cse_reg_info_used_list.
3708         (new_basic_block): Reset the free list to the beginning of
3709         cse_reg_info_list.
3710
3711 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
3712
3713         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
3714         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
3715         (frv_expand_mdpackh_builtin): New function.
3716         (frv_expand_builtin): Use it to expand __MDPACKH.
3717         * doc/extend.texi (__MDPACKH): Update documentation.
3718
3719 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
3720
3721         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
3722         SSE_FLOAT_MODE_P for use_sse computation.
3723
3724 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
3725
3726         PR target/19663
3727         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
3728
3729 2005-01-27  Richard Henderson  <rth@redhat.com>
3730
3731         * builtins.c (expand_builtin_copysign): New.
3732         (expand_builtin): Call it.
3733         * genopinit.c (optabs): Add copysign_optab.
3734         * optabs.c (init_optabs): Initialize it.
3735         (expand_copysign): New.
3736         * optabs.h (OTI_copysign, copysign_optab): New.
3737         (expand_copysign): Declare.
3738
3739         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
3740         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
3741
3742         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
3743         (ix86_expand_fp_absneg_operator): ... here.
3744         (ix86_split_copysign): New.
3745         * config/i386/i386-protos.h: Update.
3746         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
3747         (copysignsf3, copysigndf3): New.
3748
3749         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
3750         (copysignsf3, ncopysignsf3): New.
3751         (copysigndf3, ncopysigndf3): New.
3752         (copysignxf3, ncopysignxf3): New.
3753         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
3754
3755 2005-01-27  Arend Bayer  <arend.bayer@web.de>
3756             Kazu Hirata  <kazu@cs.umass.edu>
3757
3758         * cse.c: (find_best_addr): Don't call copy_rtx before calling
3759         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
3760         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
3761         NULL_RTX.
3762
3763 2005-01-27  Jeff Law  <law@redhat.com>
3764
3765         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
3766         definitions of SSA_NAMEs which are not being rewritten.
3767         (rewrite_ssa_into_ssa): Only initialize the current definition
3768         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
3769         If checking is enabled, assert that SSA_NAME_AUX is clear for all
3770         SSA_NAMEs before returning.
3771
3772 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
3773
3774         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
3775         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
3776         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
3777         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
3778         config/mips/iris6.h, config/sh/sh.c: Update copyright.
3779
3780 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3781
3782         PR middle-end/17278
3783         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
3784         higher to -O2 and higher.  Likewise for tree PRE.
3785         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
3786         and better.
3787
3788 2005-01-27  Ian Lance Taylor  <ian@airs.com>
3789
3790         PR middle-end/19583
3791         * gimple-low.c (try_catch_may_fallthru): New static function.
3792         (block_may_fallthru): Handle TRY_CATCH_EXPR.
3793         * tree-inline.c (expand_call_inline): Don't warn about reaching
3794         the end of a non-void function being inlined if the function uses
3795         a return slot.
3796
3797 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
3798
3799         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
3800
3801         PR c/18946
3802         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
3803         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
3804         (implicitly_declare): Handle error_mark_node.
3805
3806 2005-01-27  Richard Henderson  <rth@redhat.com>
3807
3808         PR tree-opt/14329
3809         * tree.h (struct tree_decl): Add debug_expr_is_from.
3810         (DECL_DEBUG_EXPR_IS_FROM): New.
3811         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
3812         * dwarf2out.c (dwarf2out_var_location): Update to match.
3813         * tree-outof-ssa.c (create_temp): Likewise.
3814         * var-tracking.c (track_expr_p): Likewise.
3815         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
3816         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
3817         * toplev.c (default_tree_printer): Likewise.
3818
3819 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
3820
3821         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
3822         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
3823
3824 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3825
3826         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
3827         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
3828         ASM_CLOBBERS): Add tree checks.
3829
3830         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
3831         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
3832         * c-common.def (SWITCH_STMT): Update to match.
3833         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
3834         macros instead of SWITCH_EXPR ones.
3835         * c-dump.c (c_dump_tree): Likewise.
3836         * c-gimplify.c (gimplify_switch_stmt): Likewise.
3837         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
3838
3839         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
3840
3841 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
3842
3843         * unwind-dw2.c (execute_stack_op): Add missing cases for
3844         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
3845
3846 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
3847
3848         * config.gcc (Obsolete configurations): Remove 'dummy', add
3849         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
3850         sparc-*-openbsd*.
3851
3852 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
3853
3854         PR tree-optimization/19633
3855         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
3856         CALL_EXPRs.
3857         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
3858         are no call-clobbered variables.
3859         * tree-outof-ssa.c (check_replaceable): Return false for calls
3860         with side-effects.
3861
3862 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
3863
3864         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
3865         even for variables with NULL DECL_INITIAL.
3866
3867 2005-01-26  Stuart Hastings  <stuart@apple.com>
3868
3869         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
3870
3871 2005-01-26  Richard Henderson  <rth@redhat.com>
3872
3873         PR middle-end/18008
3874         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3875         field's type.
3876         * expr.c (store_field): Strip conversions to odd-bit-sized types
3877         if the destination field width matches.
3878
3879 2005-01-26  Richard Henderson  <rth@redhat.com>
3880
3881         * c-decl.c, expmed.c, expr.c: Revert last change.
3882
3883 2005-01-26  Richard Henderson  <rth@redhat.com>
3884
3885         PR middle-end/18008
3886         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3887         field's type.
3888         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
3889         if we don't need the bits above those present in the current mode.
3890         * expr.c (store_field): Strip conversions to odd-bit-sized types
3891         if the destination field width matches.
3892
3893 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
3894
3895         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3896         either -ffast-math or -funsafe-math-optimizations is in use.
3897
3898 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
3899
3900         PR target/19293
3901         PR target/19329
3902         * config/avr/avr.c (notice_update_cc): Only set condition code for
3903         ashrqi3 if shift count > 0.
3904         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
3905         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
3906         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
3907         count <= 0 as a no-op, and shift count >= width by copying zero
3908         or sign bit to all bits of the result.
3909         * config/avr/avr.md (all shifts): Add alternatives for zero shift
3910         count, with attribute "length" set to 0 and "cc" set to "none".
3911
3912 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3913
3914         * doc/invoke.texi: Document -mTLS.
3915
3916         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
3917         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
3918         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
3919         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
3920         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
3921         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
3922         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
3923         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
3924
3925         * configure.ac: Check for a TLS capable gas.
3926
3927         * configure: Regenerate.
3928
3929 2005-01-26  Richard Henderson  <rth@redhat.com>
3930
3931         PR middle-end/18008
3932         * combine.c (make_field_assignment): Simplify store to zero_extract
3933         from a source with an overlapping mask.
3934
3935 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3936
3937         2004-11-11  Eric Christopher  <echristo@redhat.com>
3938
3939         * config/frv/frv.md: Add fr400_integer automaton. Don't
3940         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
3941         to TYPE_MACC.
3942
3943 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3944
3945         PR middle-end/16585
3946         * cfgbuild.c (make_edges): Do not clear or set
3947         current_function_has_computed_jump.
3948         * function.h (struct function): Remove the has_computed_jump field.
3949         (current_function_has_computed_jump): Do not define.
3950         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
3951         in a computed jump.  Ignore current_function_has_computed_jump.
3952
3953 2005-01-26  Richard Henderson  <rth@redhat.com>
3954
3955         PR middle-end/19515
3956         * expr.c (categorize_ctor_elements): New argument p_must_clear.
3957         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
3958         fully initialized.
3959         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
3960         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
3961         objects into static storage if they have more than one non-zero value.
3962         * tree.h (categorize_ctor_elements): Update decl.
3963
3964 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3965
3966         PR middle-end/19616
3967         * tree.h (CALL_EXPR_TAILCALL): Add comment.
3968         * calls.c (check_sibcall_argument_overlap_1): Revert the change
3969         to this function from 2004-07-10.
3970         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
3971         the current function for tail call optimizations if the address
3972         of one of it its arguments is taken.
3973
3974 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
3975
3976         * cse.c (fold_rtx): Call equiv_constant only when necessary.
3977
3978 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
3979
3980         * function.c (expand_function_end): If current_function_calls_alloca,
3981         emit stack restore in a place that is reached when the function falls
3982         through at the end.
3983
3984 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
3985
3986         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
3987         rule to avoid matching inappropriate suffix rule.
3988
3989 2005-01-26  Jan Hubicka  <jh@suse.cz>
3990
3991         PR tree-optimization/19241
3992         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
3993
3994 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3995
3996         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
3997         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
3998         of doubling.
3999         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
4000         <sim*>: Always use crt1.o, regardless of N in simN.
4001         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4002         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
4003         (CRT_CALL_STATIC_FUNCTION): Remove.
4004         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
4005         use crt1.o, regardless of N in simN.
4006         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4007         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
4008         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
4009         case isystem setting.
4010         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
4011
4012 2005-01-25  Ian Lance Taylor  <ian@airs.com>
4013
4014         * gimple-low.c (block_may_fallthru): Correct handling of
4015         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
4016
4017 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
4018
4019         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
4020         handlers to match indentation; nested under the mtune=* handler.
4021         Similar for mcpu= and march=.
4022
4023 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
4024
4025         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
4026         * config/mips/linux64.h (LIB_SPEC): Likewise.
4027         * config/mn10300/linux.h (LIB_SPEC): Likewise.
4028         * config/sh/linux.h (LIB_SPEC): Likewise.
4029
4030 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
4031
4032         * config/frv/frv.c (frv_legitimize_tls_address): New.
4033         (TARGET_HAVE_TLS): Define.
4034         (FRV_SYMBOL_REF_TLS_P): Define.
4035         (frv_override_options): Handle new register classes.
4036         (frv_legitimate_address_p): Reject tls addresses.
4037         (frv_legitimize_address): Handle TLS addresses.
4038         (gen_inlined_tls_plt): New.
4039         (gen_tlsmoff): New.
4040         (frv_legitimize_tls_address): New.
4041         (unspec_got_name): Add TLS entries.
4042         (got12_operand): Add R_FRV_TLSMOFF12 case.
4043         (frv_emit_move): Fixup TLS addresses.
4044         (frv_emit_movsi): Legitimize TLS addresses.
4045
4046         * config/frv/frv.h (MASK_BIG_TLS): New.
4047         (TARGET_BIG_TLS): New.
4048         (HAVE_AS_TLS): Define.
4049         (TARGET_SWITCHES): Add -mTLS and -mtls options.
4050         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
4051         (REG_CLASS_NAMES): Same.
4052         (REG_CLASS_CONTENTS): Same.
4053         (CONSTRAINT_LEN): New.
4054         (REG_CLASS_FROM_CONSTRAINT): New.
4055         (PREDICATE_CODES): Add symbolic_operand.
4056
4057         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
4058         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
4059         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
4060         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
4061         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
4062         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
4063         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
4064         GR9_REG, GR14_REG, LRREG.
4065         (type): Add load_or_call attribute.
4066         ("load_or_call"): New reservation.
4067         ("call_gettlsoff"): New.
4068         ("tls_indirect_call"): New.
4069         ("tls_load_gottlsoff12"): New.
4070         ("tlsoff_hilo"): New.
4071         ("tls_tlsdesc_ldd"): New.
4072         ("tls_tlsoff_ld"): New.
4073         ("tls_lddi"): New.
4074
4075         * config/frv/frv-protos.h (symbolic_operand): Protoize.
4076
4077         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
4078
4079         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
4080         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
4081         * config/frv/frv.c (TLS_BIAS): Define.
4082         (frv_output_dwarf_dtprel): New.
4083
4084 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
4085
4086         PR rtl-optimization/19579
4087         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
4088         both A and B, see if they don't clobber registers the other expr uses.
4089
4090 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
4091
4092         * real.c (do_add): Initialize signalling and canonical members.
4093
4094         * real.c (real_from_integer): Zero out destination.
4095
4096 2005-01-18  Jan Hubicka  <jh@suse.cz>
4097
4098         PR tree-optimize/19337
4099         * tree-inline.c (initialize_inlined_parameters): Copy
4100         saved_static_chain_decl only.
4101
4102 2005-01-25  Richard Henderson  <rth@redhat.com>
4103
4104         PR target/19556
4105         PR target/19584
4106         * config/i386/i386.c (x86_inter_unit_moves): Zero.
4107         (ix86_preferred_reload_class): Rewrite fp-constant section, with
4108         80387 enabled, to return a proper subclass.  Return the subset that
4109         overlaps with GENERAL_REGS for PLUS.
4110         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
4111
4112 2005-01-25  Richard Henderson  <rth@redhat.com>
4113
4114         PR middle-end/19609
4115         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
4116
4117 2005-01-25  Roger Sayle  <roger@eyesopen.com>
4118
4119         * expmed.c (choose_multiplier): Change interface to return the
4120         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
4121         (expand_divmod): Update calls to choose_multiplier.
4122
4123 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4124
4125         PR middle-end/19330
4126         * expmed.c (extract_bit_field): Use adjust_address instead of
4127         gen_lowpart when op0 is a MEM.
4128
4129 2005-01-24  Steven Bosscher  <stevenb@suse.de>
4130
4131         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
4132
4133 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
4134
4135         * config/mips/irix-csr.c: New file.
4136         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
4137         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
4138         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
4139         executables.
4140
4141 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
4142
4143         PR bootstrap/19364
4144         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
4145         sparc/elf.h, add sparc/sp-elf.h.
4146         (sparc-*-rtems*): Likewise.
4147         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
4148         tm-dwarf2.h, add sparc/sp-elf.h.
4149         (sparc86x-*-elf): Likewise.
4150         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
4151         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
4152         TARGET_OS_CPP_BUILTINS.
4153         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4154         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4155         Undefine it.
4156         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
4157         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
4158         (SWITCH_TAKES_ARG): Likewise.
4159         (LOCAL_LABEL_PREFIX): Likewise.
4160         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4161         (TARGET_N_FORMAT_TYPES): Delete.
4162         (TARGET_FORMAT_TYPES): Likewise.
4163         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
4164         * config/sparc/elf.h: Delete.
4165         * config/sparc/sp-elf.h: New file.
4166
4167 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4168
4169         * tree-flow-inline.h (phi_arg_from_edge): Remove.
4170         * tree-flow.h: Remove the corresponding prototype.
4171         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
4172         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
4173
4174 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4175
4176         PR target/17751
4177         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
4178         for AIX ABI or ELF -fPIC.
4179         (rs6000_emit_load_toc_table): Don't create toc_section here.
4180         (rs6000_xcoff_file_start): Nor here.
4181
4182 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
4183
4184         * sh.c (ra.h): Don't #include.
4185         (hard_regs_intersect_p): New function, resurrected from ra.c.
4186
4187         * sh.c: Fix 1996 Copyright.
4188
4189 2005-01-24  Richard Henderson  <rth@redhat.com>
4190             Aldy Hernandez  <aldyh@redhat.com>
4191
4192         * regrename.c (note_sets): Handle subregs.
4193
4194 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
4195
4196         PR bootstrap/18058
4197         * genconditions.c (write_header, write_conditions): Elide file if
4198         not GCC >= 3.0.1.
4199
4200 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4201
4202         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
4203         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
4204         Update copyright.
4205
4206 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4207
4208         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
4209         expand_builtin_printf, expand_builtin_fprintf,
4210         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
4211         checking against POINTER_TYPE.
4212         (validate_arglist): Handle POINTER_TYPE code by checking
4213         POINTER_TYPE_P.
4214
4215 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
4216
4217         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
4218         init_rtlanal): New.
4219         (for_each_rtx): Call for_each_rtx_1.
4220         * rtl.h (init_rtlanal): Declare.
4221         * toplev.c (backend_init): Call init_rtlanal.
4222
4223 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4224
4225         * flow.c (propagate_one_insn): Formatting.
4226
4227         PR middle-end/19551
4228         * flow.c (libcall_dead_p): Be more conservative if unsure.
4229         If there are any instructions between insn and call, see if they are
4230         all dead before saying the libcall is dead.
4231
4232 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
4233
4234         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
4235         operand constraint for operand 0.
4236
4237 2005-01-23  Richard Henderson  <rth@redhat.com>
4238
4239         PR 19486
4240         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
4241         edges leading to join block.
4242
4243 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4244
4245         * expmed.c (expand_mult_highpart): Make static.  Change type of
4246         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
4247         (expand_divmod): Updates calls to expand_mult_highpart by using
4248         gen_int_mode to pass a CONST_INT rtx.
4249         * rtl.h (expand_mult_highpart): Remove prototype.
4250
4251 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4252
4253         * flow.c (regset_bytes, regset_size): Remove.
4254
4255         * cfganal.c: Fix a reference to Harvey's paper.
4256
4257 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4258
4259         PR rtl-optimization/19464
4260         * tree-optimize.c (init_tree_optimization_passes): Add one more
4261         copyrename pass just before out-of-ssa.
4262
4263 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
4264
4265         PR bootstrap/18058
4266         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
4267         * ggc-none.c (ggc_free): Define.
4268
4269 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4270
4271         * cse.c (max_reg, max_insn_uid): Remove.
4272         (cse_main): Don't access max_reg or max_insn_uid.
4273
4274         * c-common.c (explicit_flag_signed_bitfields,
4275         lang_statement_code_p, lang_expand_function_end): Remove.
4276         * c-common.h: Remove the corresponding declarations.
4277         * c-opts.c (c_common_handle_option): Remove all write access
4278         to explicit_flag_signed_bitfields.
4279
4280         * cgraph.c (cgraph_varpool_n_nodes): Remove.
4281         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
4282         * cgraph.h: Remove the corresponding declaration.
4283
4284         * gcse.c (null_pointer_info): Remove.
4285
4286 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4287             Eric Botcazou  <ebotcazou@libertysurf.fr>
4288
4289         * combine.c (simplify_logical): Only simplify logical expressions
4290         of the form ior(and(x,y),z) by the inverse distributive law if the
4291         result is cheaper than the original.
4292
4293 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4294
4295         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
4296         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
4297         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
4298         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
4299         config/freebsd-spec.h, config/arm/arm.h,
4300         config/h8300/h8300.md, config/i386/i386.md,
4301         config/i386/predicates.md, config/i386/sse.md,
4302         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
4303         config/vax/vax.md: Fix comment typos.  Follow spelling
4304         conventions.
4305
4306 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4307
4308         * gengtype.c (walk_type): Produce `not equal to' compares for loop
4309         tests, instead of `less than'.
4310
4311 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
4312
4313         * function.c (assign_parm_setup_block): When creating a new stack slot
4314         for a parameter, get its alignment from the parameter's DECL_ALIGN
4315         rather than the type's TYPE_ALIGN.  Make sure that the parameter
4316         is at least word aligned.
4317
4318 2005-01-22  Roger Sayle  <roger@eyesopen.com>
4319
4320         PR middle-end/19378
4321         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
4322
4323 2005-01-22  Richard Henderson  <rth@redhat.com>
4324
4325         PR target/19506
4326         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
4327         in both compare operands.
4328         (movdfcc_1_sse_max): Likewise.
4329         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
4330         (movdfcc_1_sse): Likewise.
4331         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
4332         scratch register as needed.
4333
4334 2005-01-22  Richard Henderson  <rth@redhat.com>
4335
4336         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
4337
4338         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
4339
4340 2005-01-22  Richard Henderson  <rth@redhat.com>
4341
4342         * genopinit.c (optabs): Use smin/smax for floating point too.
4343         * doc/md.texi: Update to match.  Clarify that floating point
4344         results are undefined for +0/-0 and NaN.
4345         * doc/rtl.texi: Likewise.
4346         * rtl.def (SMIN, SMAX): Likewise
4347         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
4348
4349         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
4350         leading 's' to the name.
4351         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
4352         smaxxf3, sminxf3): Likewise.
4353         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
4354         Likewise.
4355
4356 2005-01-22  Paul Brook  <paul@codesourcery.com>
4357
4358         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
4359
4360 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
4361
4362         * config/s390/s390.c (struct processor_costs): New fields
4363         dlgr, dlr, dr, dsgfr, dsgr.
4364         (z900_cost, z990_cost): Values for new fields.
4365         (s390_rtx_costs): New cases MEM und COMPARE in switch
4366         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
4367         DIV, MOD, UDIV, UMOD.
4368
4369 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4370
4371         * config/s390/s390.md ("doloop_si64"): Reload input value directly
4372         into the register being decremented.
4373         ("doloop_si31", "doloop_di"): Likewise.
4374         ("*doloop_si_long"): Adapt pattern.
4375
4376 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4377
4378         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
4379         access registers.
4380         (CLASS_MAX_NREGS): Likewise.
4381
4382 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
4383
4384         * doc/tree-ssa.texi (Statement Operands): Add example for new
4385         must-def macro. Note deprecation of old operands interface.
4386
4387 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
4388
4389         PR tree-optimization/19484
4390         * tree-cfg.c (remove_fallthru_edge): New function.
4391         (cleanup_control_flow): Remove fallthru edges from calls that are
4392         now known not to return.
4393
4394 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
4395
4396         Fix PR tree-optimization/19038
4397         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
4398         copies with loop variant ones.
4399
4400 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
4401
4402         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
4403         config/alpha/alpha-protos.h, config/alpha/alpha.h,
4404         config/alpha/alpha.md, config/alpha/predicates.md,
4405         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
4406         config/sparc/sol2.h: Update copyright.
4407
4408         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
4409         first label to see if it is a nonlocal label.
4410
4411 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
4412             Andrew Pinski  <pinskia@physics.uc.edu>
4413
4414         PR target/19491
4415         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
4416         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
4417
4418 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
4419
4420         * config/rs6000/rtems.h: Update copyright.
4421
4422 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
4423
4424         PR target/19548
4425         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
4426         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
4427         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
4428
4429 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4430
4431         PR c/18809
4432         * c-typeck.c (convert_arguments): Check for error_mark_node.
4433
4434 2005-01-21  Ian Lance Taylor  <ian@airs.com>
4435
4436         PR tree-optimization/13000
4437         * tree-inline.c: Include "tree-flow.h".
4438         (expand_call_inline): If warn_return_type, warn if non-void inline
4439         function falls through.
4440         * tree-cfg.c (execute_warn_function_return): Don't warn about
4441         control reaching end if TREE_NO_WARNING is set.  Set
4442         TREE_NO_WARNING.
4443         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
4444         has been lowered.
4445         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
4446         branch if we don't need one.
4447         * c-typeck.c: Include "tree-flow.h"
4448         (c_finish_bc_stmt): Don't add a goto if the current statement
4449         list doesn't fall through to the current point.
4450
4451 2005-01-21  Roger Sayle  <roger@eyesopen.com>
4452
4453         PR rtl-optimization/576
4454         * real.c (real_arithmetic): Change return type from void to bool
4455         to return an indication that the result may be inexact.
4456         * real.h (real_arithmeric): Update prototype.
4457         * fold-const.c (const_binop):  Don't constant fold floating
4458         point expressions when the user specifies -frounding-math and
4459         the result may depend upon the run-time rounding mode.
4460         (fold_convert_const_real_from_real): Clean-up.
4461         (fold_initializer): Ignore flag_rounding_math for initializers.
4462         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
4463         constant fold FP operations with flag_rounding_math if the
4464         result may depend upon the run-time rounding mode.
4465
4466 2005-01-21  Tom Tromey  <tromey@redhat.com>
4467
4468         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
4469
4470 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
4471
4472         * tree-cfg.c: Fix comment typos.
4473
4474 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
4475
4476         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
4477         around the call to rest_of_handle_branch_target_load_optimize.
4478
4479 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4480
4481         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
4482         (sparc64-*-openbsd*): Likewise.
4483         (sparclite-*-elf*): Include tm-dwarf2.h.
4484         (sparc86x-*-elf*): Likewise.
4485         (sparc64-*-elf*): Likewise.
4486         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
4487         (DBX_DEBUGGING_INFO): Likewise.
4488         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
4489         (PREFERRED_DEBUGGING_TYPE): Likewise.
4490         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4491         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
4492         (PREFERRED_DEBUGGING_TYPE): Likewise.
4493         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
4494         (PREFERRED_DEBUGGING_TYPE): Likewise.
4495         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
4496
4497 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
4498
4499         PR target/18701
4500         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
4501
4502 2005-01-20  Paul Brook  <paul@codesourcery.com>
4503
4504         * doc/rtl.texi: Document value extension requirements for CONST_INT.
4505
4506 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4507
4508         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
4509         label is first in a sequence of labels.
4510
4511         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
4512
4513 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
4514             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
4515
4516         * doc/sourcebuild.texi (Test Directives): New.
4517
4518 2005-01-20  Roger Sayle  <roger@eyesopen.com>
4519
4520         * real.c (real_floor): Don't leave the result uninitialized when
4521         mode is VOIDMode, but return the unrounded intermediate value.
4522         (real_ceil): Likewise.
4523
4524 2005-01-20  Paul Brook  <paul@codesourcery.com>
4525
4526         * config/arm/arm.md (insv): Use gen_int_mode.
4527
4528 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4529
4530         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
4531         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4532         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4533         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4534         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4535
4536 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
4537
4538         Fix PR debug/19124
4539         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
4540         fbreg, so we have to assume we can't.
4541         (loc_descriptor_from_tree_1): Ditto.
4542         (containing_function_has_frame_base): New function.
4543         (add_location_or_const_value_attribute): Use it.
4544         Also try to generate a frame_base from a single element location
4545         list.
4546
4547 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4548
4549         PR tree-optimization/15349
4550         * timevar.def (TV_TREE_MERGE_PHI): New.
4551         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
4552         PHI_WANTED.
4553         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
4554         calls to tree_forwarder_block_p.
4555         (remove_forwarder_block_with_phi, merge_phi_nodes,
4556         gate_merge_phi, pass_merge_phi): New.
4557         * tree-optimize.c (init_tree_optimization_passes): Add
4558         pass_merge_phi.
4559         * tree-pass.h: Add an extern for pass_merge_phi;
4560
4561 2005-01-20  Richard Henderson  <rth@redhat.com>
4562
4563         PR target/19418
4564         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
4565         (_mm_castps_pd, _mm_castps_si128): New.
4566         (_mm_castsi128_ps, _mm_castsi128_pd): New.
4567
4568 2005-01-20  Richard Henderson  <rth@redhat.com>
4569
4570         PR target/19530
4571         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
4572         __builtin_ia32_vec_init_v2si.
4573         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
4574         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
4575         (ix86_init_mmx_sse_builtins): Create it.
4576         (ix86_expand_builtin): Expand it.
4577         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
4578         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
4579         (vec_extractv2si_0, vec_extractv2si_1): New.
4580
4581 2005-01-20  Richard Henderson  <rth@redhat.com>
4582
4583         PR target/16533
4584         * config/i386/i386.c (ix86_expand_push): New.
4585         * config/i386/mmx.md (push<MMXMODE>1): New.
4586         * config/i386/sse.md (push<SSEMODE>1): New.
4587         * config/i386/i386-protos.h: Update.
4588
4589 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4590
4591         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
4592         copyright.
4593
4594 2005-01-20  Richard Henderson  <rth@redhat.com>
4595
4596         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
4597         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
4598
4599 2005-01-19  Richard Henderson  <rth@redhat.com>
4600
4601         PR target/19350
4602         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
4603         to V4SFmode in SSE1 fallback load path.
4604
4605 2005-01-19  Richard Henderson  <rth@redhat.com>
4606
4607         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
4608         in QImode expansion to ix86_expand_vector_set.
4609         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
4610
4611 2005-01-19  Richard Henderson  <rth@redhat.com>
4612
4613         PR target/19511
4614         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
4615         subclass of the input class.
4616         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
4617         Always true for cross-SSE1 classes.  Rationalize conditionals.
4618         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
4619         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
4620         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
4621         (movdi_2): Add MMX/SSE zeros.
4622         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
4623         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
4624         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4625         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
4626         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
4627         (zero_extendsidi2_rex64_1): Remove.
4628         (MOV0 peephole): Check GENERAL_REG_P.
4629
4630 2005-01-19  Richard Henderson  <rth@redhat.com>
4631
4632         PR target/19427
4633         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
4634         shufps elements.
4635         (ix86_expand_vector_extract): Likewise.
4636
4637 2005-01-19  Richard Henderson  <rth@redhat.com>
4638
4639         PR middle-end/19304
4640         * expr.c (emit_move_change_mode): New argument force; use
4641         simplify_gen_subreg if true.
4642         (emit_move_via_alt_mode): Merge into ...
4643         (emit_move_via_integer): ... here.
4644         (emit_move_ccmode): Use emit_move_change_mode directly.
4645
4646 2005-01-19  Richard Henderson  <rth@redhat.com>
4647
4648         PR target/19518
4649         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
4650         (alpha_preferred_reload_class): Handle CONST_VECTOR.
4651         (alpha_emit_set_const_1): Add no_output parameter; don't emit
4652         rtl if true.
4653         (alpha_emit_set_const): Likewise.  Make static.
4654         (alpha_emit_set_long_const): Make static.
4655         (alpha_extract_integer): Split out from alpha_expand_mov.
4656         (alpha_split_const_mov): Likewise.
4657         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
4658         (alpha_legitimate_constant_p): New.
4659         * config/alpha/alpha-protos.h: Update.
4660         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
4661         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
4662         * config/alpha/alpha.md (movsi): Add n alternative.
4663         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
4664         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
4665         (splitters for all of the above): Use alpha_split_const_mov.
4666         * config/alpha/predicates.md (non_add_const_operand): New.
4667         (non_zero_const_operand): New.
4668         (input_operand): Use alpha_legitimate_constant_p after reload.
4669
4670 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4671
4672         PR tree-optimization/19038
4673         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
4674         (add_candidate): Add ivs with increment in latch only if
4675         allow_ip_end_pos_p is true.
4676         (determine_iv_cost): Use empty_block_p.
4677
4678 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
4679
4680         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
4681         (compute_dominance_frontiers): Ditto.
4682
4683 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
4684
4685         PR target/19529
4686         * config/sh/t-rtems: New.
4687         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
4688
4689 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4690
4691         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
4692         the offset of the selected field.
4693
4694 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
4695
4696         * tree-cfg.c (remove_forwarder_block): Fix the check to
4697         prevent a nonlocal label from appearing in the middle of a
4698         basic block.
4699
4700 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
4701
4702         PR rtl-optimization/19462
4703         * reorg.c (find_end_label): Create return insn only if
4704         current_function_epilogue_delay_list is empty.
4705
4706 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
4707
4708         * doc/passes.texi: Remove paragraph mentioning new-ra.
4709
4710 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
4711
4712         PR rtl-optimization/15139
4713         * combine.c: Include params.h.
4714         (count_rtxs): New function.
4715         (record_value_for_reg): If replace_rtx would replace at least
4716         2 occurrences of REG in VALUE and TEM is really large, replace REG with
4717         (clobber (const_int 0)) instead of TEM.
4718         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
4719         * params.h (MAX_LAST_VALUE_RTL): New.
4720         * Makefile.in (combine.o): Depend on $(PARAMS_H).
4721         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
4722
4723         PR c/17297
4724         * c-typeck.c (digest_init): Only call build_vector if all constructor
4725         elements are *_CST nodes.
4726         * gimplify.c (gimplify_init_constructor): Likewise.
4727
4728         PR middle-end/19164
4729         * c-typeck.c (digest_init): Only call build_vector if inside_init
4730         is a CONSTRUCTOR.
4731
4732 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4733
4734         * toplev.c (init_asm_output): Remove dead #ifdef.
4735
4736 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
4737
4738         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
4739
4740 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4741
4742         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
4743         accessing DECL_FUNCTION_CODE.
4744         * dojump.c (do_jump): Likewise.
4745         * gimplify.c (gimplify_call_expr): Likewise.
4746         * predict.c (expr_expected_value): Likewise.
4747         (strip_builtin_expect): Likewise.
4748         * tree-inline.c (estimate_num_insns_1): Likewise.
4749         * tree-ssa-loop-im.c (stmt_cost): Likewise
4750         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
4751         (tree_expr_nonnegative_p): Likewise.
4752
4753 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4754
4755         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
4756         variant of the load_pcrel_sym pattern.
4757         * config/sparc/sparc.md (P macro): Move to the top.
4758         (load_pcrel_sym): Macroize using P.
4759         (save_register_window): Likewise.
4760
4761 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
4762
4763         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
4764         ("sordered"): Same.
4765
4766 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
4767
4768         PR C/19472
4769         * c-typeck.c (build_asm_expr): Strip nops off
4770         input memory operands.
4771
4772 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
4773
4774         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
4775         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
4776         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
4777         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
4778
4779 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
4780
4781         PR target/19379
4782         * config/i386/i386.c (override_options): If the 80387 is disabled,
4783         then do not return FP values using FP registers.
4784
4785 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
4786
4787         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
4788         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
4789         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
4790         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
4791         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
4792         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
4793         output.h, postreload-gcse.c, postreload.c, recog.c,
4794         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
4795         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
4796         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
4797         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
4798         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
4799         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
4800         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
4801         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
4802
4803         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
4804         config/alpha/alpha.c, config/arm/vfp.md,
4805         config/i386/emmintrin.h, config/i386/i386-modes.def,
4806         config/i386/i386-protos.h, config/i386/i386.h,
4807         config/i386/pmmintrin.h, config/i386/ppro.md,
4808         config/i386/predicates.md, config/i386/xmmintrin.h,
4809         config/i860/i860.c, config/ia64/ia64-modes.def,
4810         config/ia64/ia64-protos.h, config/ia64/ia64.h,
4811         config/ia64/ia64.md, config/ia64/itanium1.md,
4812         config/ia64/itanium2.md, config/ia64/predicates.md,
4813         config/iq2000/iq2000.h, config/mips/linux64.h,
4814         config/rs6000/aix41.h, config/rs6000/aix43.h,
4815         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
4816         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4817         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
4818         config/sparc/linux64.h, config/sparc/litecoff.h,
4819         config/sparc/sp64-elf.h, config/sparc/sparc.c,
4820         config/sparc/sparc.h, config/sparc/sparc.md,
4821         config/sparc/sysv4-only.h: Update copyright.
4822
4823 2005-01-18  Richard Henderson  <rth@redhat.com>
4824
4825         PR target/19496
4826         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
4827
4828 2005-01-18  Marc Espie  <espie@openbsd.org>
4829         * config/i386/openbsdelf.h: Typo.
4830
4831 2005-01-18  Richard Henderson  <rth@redhat.com>
4832
4833         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
4834         special case for sse.
4835         * config/i386/predicates.md (sse_comparison_operator): Likewise.
4836
4837 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
4838
4839         * tree-inline.c (estimate_num_insns_1): Added cases for
4840         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
4841
4842 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4843
4844         PR rtl-optimization/19296
4845         * combine.c (simplify_comparison): Rewrite the condition under
4846         which a non-paradoxical SUBREG of a PLUS can be lifted when
4847         compared against a constant.
4848
4849 2005-01-18  Andi Kleen <ak@muc.de>
4850
4851         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
4852         * c.opt (-Wpointer-sign): Add.
4853         * doc/invoke.texi: (-Wpointer-sign): Add.
4854
4855 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
4856
4857         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
4858         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
4859         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
4860         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
4861         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
4862         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
4863         for TARGET_MIX_SSE_I387.
4864         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
4865         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
4866         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
4867         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
4868         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
4869         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
4870         TARGET_MIX_SSE_I387.
4871         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
4872         from expander.
4873
4874 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
4875
4876         PR target/19424
4877         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
4878         Add movaps alternative for xmm reg->reg move.
4879
4880 2005-01-17  Jeff Law  <law@redhat.com>
4881
4882         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
4883         at the end of the main DOM loop rather than just before DOM exits.
4884
4885 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
4886
4887         PR tree-optimization/19121
4888         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
4889         adding aliases to a name tag, also add them to the pointer's
4890         type tag.
4891         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
4892         sensitive alias info at all.  Only check that the two pointers
4893         have compatible pointed-to sets.
4894         * tree-ssa.c (verify_name_tags): Verify that the alias set of
4895         a pointer's type tag is a superset of the alias set of the
4896         pointer's name tag.
4897
4898 2005-01-17  James E Wilson  <wilson@specifixinc.com>
4899
4900         PR target/19357
4901         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
4902         comment to document why.
4903
4904 2005-01-17  Richard Henderson  <rth@redhat.com>
4905
4906         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
4907         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
4908         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
4909         sse2_vmsminv2df3_finite): New.
4910         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
4911         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
4912         Force op1 into register.
4913
4914 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
4915
4916         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
4917         bubblestrap from always rebuilding build directory.
4918
4919 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
4920
4921         * config/s390/s390.md ("*clc"): Remove incorrect '='.
4922         ("*cmpmem_short"): Likewise.
4923
4924 2005-01-17  Steven Bosscher  <stevenb@suse.de>
4925
4926         * basic-block.h: Document BB_* flags.
4927         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
4928         use an sbitmap instead.
4929         * sched-rgn.c (compute_trg_info): Likewise.
4930
4931 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
4932
4933         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
4934         redundant target_cpu_default and extra_parts lines.  Use the default
4935         "from-abi" ISA.
4936         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
4937         (SUBTARGET_EXTRA_SPECS): Delete.
4938         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
4939         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
4940         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
4941         and "n32" for -mabi=n32.
4942
4943 2005-01-17  Ian Lance Taylor  <ian@airs.com>
4944
4945         PR c/5675
4946         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
4947         fold constant variables into initial values.
4948
4949 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
4950
4951         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
4952
4953         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
4954         through the statements backward.
4955
4956 2005-01-17  Ian Lance Taylor  <ian@airs.com>
4957
4958         PR middle-end/13127:
4959         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
4960         a variable set to the return value of the inlined function.
4961
4962 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
4963
4964         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
4965         when modes are tieable.
4966
4967 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
4968
4969         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
4970         of pthread_create to find out if threads are enabled.
4971         * gthr-posix95.h (__gthread_active_p): Likewise.
4972
4973 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
4974
4975         * common.opt (-fnew-ra): Remove.
4976         * ra*.*: Remove.
4977         * toplev.h (flag_new_regalloc): Remove.
4978         * Makefile.in (ra*.*): Don't mention.
4979         * passes.c (rest_of_handle_new_regalloc): Remove.
4980         (rest_of_handle_combine, rest_of_compilation): Always consider
4981         flag_new_regalloc as false.
4982         * doc/invoke.texi: Don't document -fnew-ra.
4983
4984 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
4985
4986         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
4987         last parameter to reg_scan.
4988         * loop.c (loop_optimize): Likewise.
4989         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
4990         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
4991         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
4992         rest_of_handle_gcse, rest_of_handle_loop_optimize,
4993         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
4994         * regclass.c (reg_scan): Likewise, for the declaration.
4995         * rtl.h (reg_scan): Likewise, for the prototype.
4996
4997 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
4998
4999         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
5000         mark_dfs_back_edges.
5001
5002 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
5003
5004         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
5005         (compute_avail): Uses don't go in tmp_gen.
5006
5007 2005-01-16  Steven Bosscher  <stevenb@suse.de>
5008
5009         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
5010         loop to look for a free slot in a page entry.
5011
5012 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5013
5014         PR target/16304
5015         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
5016         * toplev.c (compile_file): Call process_pending_assemble_output_defs
5017         just before targetm.asm_out.file_end.
5018         * tree.h (process_pending_assemble_output_defs): Declare.
5019         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
5020         New functions.
5021         (assemble_alias): Defer generation of assembly code for defines when
5022         TARGET_DEFERRED_OUTPUT_DEFS is true.
5023         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5024         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5025         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
5026
5027 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5028
5029         PR target/19336
5030         * pa.c (pa_scalar_mode_supported_p): New function.
5031         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5032         * pa.h (MIN_UNITS_PER_WORD): Add comment.
5033
5034         * pa-protos.h (prefetch_operand): Delete.
5035         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
5036         * pa.c (prefetch_operand): Delete.
5037         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
5038         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
5039         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
5040         and prefetch_nocc_operand.
5041         * pa.md (prefetch): Rework to avoid reload problems handling short
5042         displacements when a cache control completer needs to be provided.
5043         (prefetch_32, prefetch_64): Delete.
5044         (prefetch_cc, prefetch_nocc): New patterns.
5045
5046 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
5047
5048         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
5049
5050 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5051
5052         PR ada/19388
5053         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
5054         exceeds maximum alignment for global common data.
5055         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
5056         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
5057
5058 2004-01-15  Roger Sayle  <roger@eyesopen.com>
5059
5060         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
5061
5062 2004-01-15  Roger Sayle  <roger@eyesopen.com>
5063
5064         * harg-reg-set.h (reg_class_names): Prototype global array.
5065         * regclass.c (reg_class_names): Declare here and initialize to
5066         REG_CLASS_NAMES.
5067         (dump_regclass): Remove local declaration of reg_class_names.
5068         (regclass): Likewise.
5069         * cfg.c (dump_flow_info): Likewise.
5070         * ra-debug.c (reg_class_names): Likewise.
5071         * regrename.c (reg_class_names): Likewise.
5072         * reload.c (reg_class_names): Likewise.
5073         * reload1.c (spill_failure): Likewise.
5074         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
5075
5076 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
5077
5078         * config/s390/s390.md ("reload_outti"): Remove predicate for
5079         output operand.  Abort if operand is not a MEM.
5080         ("reload_outdi", "reload_outdf"): Likewise.
5081
5082 2005-01-15  Marc Espie  <espie@openbsd.org>
5083
5084         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
5085         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
5086         * config/openbsd.h:  Fix C++ includes for native configurations.
5087         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
5088         Add trampoline support.
5089         * config/i386/openbsdelf.h: New.
5090
5091 2005-01-15  Marc Espie  <espie@openbsd.org>
5092
5093         * collect2.c (main): Explicitly parse -dynamic-linker option.
5094
5095 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
5096
5097         PR tree-optimization/19060
5098         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
5099         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
5100         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
5101         and handle extract_range_from_cond returning false.
5102         * fold-const.c (fold): Optimize comparisons with min/max even for
5103         width > HOST_BITS_PER_WIDE_INT.
5104
5105 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
5106
5107         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
5108         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
5109         Remove little endian multilib variants.
5110         Add mips32 multilib variant.
5111
5112 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
5113
5114         * explow.c (copy_all_reg, stabilize): Remove.
5115         * expr.h: Remove the corresponding prototypes.
5116
5117         * rtlanal.c (regs_set_between_p): Remove.
5118         * rtl.h: Remove the corresponding prototype.
5119
5120 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
5121
5122         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
5123         to rs6000_nonimmediate_operand.
5124         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
5125         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
5126         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
5127         rs6000_nonimmediate_operand.
5128         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
5129         rs6000_nonimmediate_operand.
5130
5131 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
5132
5133         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
5134
5135 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5136
5137         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
5138         on e500v2.
5139         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
5140         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
5141
5142         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
5143         (rs6k_nonimmediate_operand): New.
5144         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
5145         correctly.
5146         (legitimate_lo_sum_address_p): Same.
5147         (rs6000_legitimize_address): Same.
5148         (rs6000_legitimize_reload_address): Same.
5149         (rs6000_legitimate_address): Same.
5150         (spe_build_register_parallel): Pass DF and DC modes in a DI
5151         register.
5152
5153         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
5154         to rs6k_nonimmediate_operand.
5155
5156         * config/rs6000/spe.md ("*frob_df_di"): New.
5157         ("*frob_di_df"): New.
5158         ("*frob_di_df_2"): New.
5159         ("*mov_sidf_e500_subreg0"): New.
5160         ("*mov_sidf_e500_subreg4"): New.
5161         ("*movdf_e500_double"): Change predicate to
5162         rs6k_nonimmediate_operand.
5163
5164 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5165
5166         * postreload.c (move2add_note_store): Only call
5167         trunc_int_for_mode on scalar integers.
5168
5169 2005-01-14  Steven Bosscher  <stevenb@suse.de>
5170
5171         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
5172         replace BB_VISITED uses.
5173         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
5174         (propagate_necessity): Check the bitmap instead of BB_VISITED.
5175         (tree_dce_done): Free visited_control_parents.
5176         (perform_tree_ssa_dce): Allocate and clear it.
5177         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
5178         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
5179         instead of BB_VISITED.
5180
5181 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
5182
5183         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
5184         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
5185         Remove unused prototypes.
5186
5187 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5188
5189         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
5190         64-bit register usage.
5191         (spe_func_has_64bit_regs_p): Add FIXME note.
5192
5193 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5194
5195         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
5196         flag_finite_math_only with flag_unsafe_math_optimizations.
5197
5198 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
5199
5200         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
5201         end-of-stack check.
5202         (__tpf_eh_return): Copy TPF private stack area from the module
5203         boundary stack frame.  Add check for when module addresses are
5204         equal, but no stub address is found.
5205
5206 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
5207
5208         PR target/7525
5209         * arm.h (struct machine_function): Add call_via field.
5210         (thumb_call_via_label): Declare.
5211         * arm.c (thumb_call_via_label): New variable.
5212         (thumb_call_reg_needed): New variable.
5213         (arm_output_function_epilogue): For Thumb code, output any per-function
5214         call-indirect trampolines.
5215         (thumb_call_via_reg): New function.
5216         (arm_file_end): New function.
5217         (TARGET_ASM_FILE_END): Call arm_file_end.
5218         (aof_file_end): Likewise.
5219         * arm-protos.h (thumb_call_via_reg): Declare.
5220         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
5221         thumb_call_via_reg in normal case.
5222
5223 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
5224
5225         PR middle-end/19084
5226         PR rtl-optimization/19348
5227         * recog.c (peephole2_optimize): Do global life update if some peephole
5228         decides it doesn't need at least one of its inputs and that change
5229         influences liveness at the start of the basic block.
5230
5231         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
5232         arguments instead of 1.
5233
5234 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
5235
5236         PR middle-end/18820
5237         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
5238         zero for nested functions needing a static chain or functions
5239         with a non-constant address.
5240
5241 2005-01-13  Roger Sayle  <roger@eyesopen.com>
5242
5243         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
5244         (and (sign_extend X) C) into (zero_extend (and X C)).
5245
5246 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
5247
5248         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
5249
5250 2005-01-13  Richard Henderson  <rth@redhat.com>
5251
5252         PR target/19009
5253         PR target/19250
5254         PR target/19252
5255         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
5256         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
5257         not just TARGET_SSE.
5258         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
5259         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
5260         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
5261         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
5262         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
5263         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
5264         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
5265         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
5266         (movdicc_c_rex64): Rename with '*'.
5267         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
5268         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
5269         (movsfcc_1_387): Rename from movsfcc_1.
5270         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
5271         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
5272         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
5273         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
5274         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
5275         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
5276         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
5277         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
5278         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
5279         sse_movdfcc_const0_4): Remove.
5280         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
5281         recognize min/max early.  Update for changed sse cmove patterns.
5282         (ix86_split_sse_movcc): New.
5283         * config/i386/i386-protos.h: Update.
5284
5285 2005-01-13  Steven Bosscher  <stevenb@suse.de>
5286
5287         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
5288         (fix_stmt_v_may_defs): Likewise.
5289
5290 2005-01-13  Richard Henderson  <rth@redhat.com>
5291
5292         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
5293         for converting the mask.
5294
5295 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
5296
5297         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
5298         definition to 600.
5299
5300 2005-01-13  Richard Henderson  <rth@redhat.com>
5301
5302         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
5303         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
5304         IX86_BUILTIN_MOVDQ2Q): Remove.
5305         (IX86_BUILTIN_VEC_EXT_V4SI): New.
5306         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
5307         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
5308         shuffling.
5309         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
5310         (sse2_pextrw): Fix immediate constraint.
5311         (sse2_loadq, sse2_loadq_rex64): Remove.
5312         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
5313         Use __builtin_ia32_vec_ext_<size>.
5314         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
5315
5316 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
5317
5318         * function.c (assign_parm_setup_block): Look inside original
5319         entry_parm when inspecting PARALLEL.
5320
5321 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
5322             Joel Sherrill  <joel@oarcorp.com>
5323
5324         PR target/19399
5325         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
5326         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
5327         rtems_gxx_recursive_mutex_init.
5328         (__gthread_recursive_mutex_lock): New function.
5329         (__gthread_recursive_mutex_trylock): Likewise.
5330         (__gthread_recursive_mutex_unlock): Likewise.
5331
5332 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
5333
5334         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
5335
5336 2005-01-13  Jan Beulich  <jbeulich@novell.com>
5337
5338         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
5339         (ashrti3_internal): Indicate output is early clobber. Generate result
5340         into output rather than first input. Use move for low word of output
5341         if shift count is exactly 64.
5342         (lshrti3_internal): Likewise.
5343
5344 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
5345
5346         PR target/18329
5347         PR target/18330
5348         * reload1.c (delete_output_reload): Don't delete an output reload
5349         if the pseudo lives longer than a single basic block.  Adjust and
5350         improve wording of comment.
5351
5352 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
5353
5354         PR target/19334
5355         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
5356         of TYPE_SIZE where we mean the number of bytes.
5357
5358 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
5359
5360         * function.c (assign_parm_setup_block): Relax condition on
5361         multi-register optimization.
5362
5363 2005-01-12  Nick Clifton  <nickc@redhat.com>
5364
5365         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
5366         an "in_delay_slot" attribute of "no" to prevent them being used in
5367         delay slots.  This is forbidden because they might generate
5368         exceptions.
5369
5370 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
5371
5372         PR target/19389
5373         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
5374         with r->Y and Y->r.
5375
5376 2005-01-12  Nick Clifton  <nickc@redhat.com>
5377
5378         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
5379         passed on to GAS) but do not define, as GAS no longer supports or
5380         needs the -m2000 option.
5381
5382 2005-01-11  Roger Sayle  <roger@eyesopen.com>
5383
5384         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
5385         type as args of unprototyped builtins aren't automatically promoted.
5386         (fold_builtin_abs): Likewise.
5387
5388 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5389
5390         * Makefile.in: Set a `build-warn' variable.
5391
5392 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
5393
5394         PR tree-optimization/17949
5395         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
5396         (find_interesting_uses_address): Use it.
5397
5398 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
5399
5400         * regrename.c (kill_value): Handle subreg's that won't simplify.
5401
5402 2005-01-11  Richard Henderson  <rth@redhat.com>
5403
5404         PR target/13366
5405         * config/i386/i386.h (enum ix86_builtins): Move ...
5406         * config/i386/i386.c: ... here.
5407         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
5408         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
5409         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
5410         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
5411         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
5412         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
5413         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
5414         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
5415         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
5416         IX86_BUILTIN_LOADDDUP): Remove.
5417         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
5418         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
5419         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
5420         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
5421         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
5422         (ix86_init_builtins): Make static.
5423         (ix86_init_mmx_sse_builtins): Update for changed builtins.
5424         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
5425         if all the modes match.  Otherwise, fake it.
5426         (get_element_number, ix86_expand_vec_init_builtin,
5427         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
5428         (ix86_expand_builtin): Make static.  Update for changed builtins.
5429         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
5430         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
5431         (ix86_expand_vector_init_duplicate): New.
5432         (ix86_expand_vector_init_low_nonzero): New.
5433         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
5434         Split out from ix86_expand_vector_init; handle integer modes.
5435         (ix86_expand_vector_init): Use them.
5436         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
5437         * config/i386/i386-protos.h: Update.
5438         * config/i386/predicates.md (reg_or_0_operand): New.
5439         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
5440         (movv2sf_internal): Likewise.  And a splitter to match them all.
5441         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
5442         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
5443         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
5444         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
5445         (mmx_pinsrw): Fix operand ordering.
5446         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
5447         rather than sse_loadss expander.
5448         (movv2df splitter): Similarly.
5449         (sse_loadss, sse_loadlss): Remove.
5450         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
5451         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
5452         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
5453         (sse3_movddup): Rename with '*'.
5454         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
5455         (sse2_loadsd): Remove.
5456         (vec_dupv2df_sse3): Rename from sse3_loadddup.
5457         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
5458         (sse2_pinsrw): Fix argument ordering.
5459         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
5460         (sse2_stored): Remove 'r' destination.
5461         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
5462         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
5463         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
5464         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
5465         vec_extractv16qi, vec_initv16qi): New.
5466
5467         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
5468         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
5469         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
5470         constructor form.
5471         (_mm_load_pd, _mm_store_pd): Use plain dereference.
5472         (_mm_load_si128, _mm_store_si128): Likewise.
5473         (_mm_load1_pd): Use _mm_set1_pd.
5474         (_mm_load_sd): Use _mm_set_sd.
5475         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
5476         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
5477         (_mm_set_epi64): Use _mm_set_epi64x.
5478         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
5479         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
5480         _mm_setr_epi8): Use _mm_set_foo form.
5481         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
5482         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
5483         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
5484         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
5485         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
5486         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
5487         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
5488         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
5489         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
5490         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
5491         (_mm_movedup_pd): Use _mm_shuffle_pd.
5492         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
5493         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
5494         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
5495         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
5496         Use _mm_setzero_ps.
5497         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
5498         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
5499         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
5500         (_mm_store_ps): Use raw dereference.
5501         (_mm_store1_ps): Use _mm_storeu_ps.
5502         (_mm_storer_ps): Use _mm_store_ps.
5503         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
5504         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
5505
5506 2005-01-11  Stan Shebs  <shebs@apple.com>
5507
5508         * config/rs6000/rs6000.c (machopic_output_stub): Issue
5509         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
5510
5511 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
5512
5513         PR target/18761
5514         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
5515         Skip all DECLs except for FIELD_DECLs.
5516
5517 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
5518
5519         * config/s390/s390.c (override_options): Return error if
5520         -mbackchain, -mpacked-stack and -mhard-float are used together.
5521         (s390_va_start): Remove the backchain && packed-stack special case.
5522         (s390_gimplify_va_arg): Likewise.
5523         * doc/invoke.texi: Remove the ABI incompatibility note.
5524
5525 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
5526
5527         * config/s390/s390.c (struct s390_frame_layout): Remove
5528         save_backchain_p.
5529         (s390_frame_info, s390_emit_prologue): Replace occurrences of
5530         save_backchain_p with TARGET_BACKCHAIN.
5531
5532 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
5533
5534         PR target/18916
5535         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
5536         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
5537         * function.c (locate_and_pad_parm): Set new field.
5538         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
5539         Tweak where_pad test to include "none".  Always set mem align for
5540         stack_parm.
5541         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
5542         not sufficient for type.
5543         (assign_parm_setup_block): If stack_parm is zero on entry, always
5544         make a new stack local.  Block move old stack parm if necessary
5545         to new aligned stack local.
5546         (assign_parm_setup_stack): Use a block move to handle
5547         potentially misaligned entry_parm.
5548         (assign_parms_unsplit_complex): Specify required alignment when
5549         creating stack local.
5550         * calls.c (compute_argument_addresses): Override alignment of stack
5551         arg calculated from its type with the alignment given by
5552         FUNCTION_ARG_BOUNDARY.
5553         (store_one_arg): Likewise.
5554
5555 2005-01-11  Jan Beulich  <jbeulich@novell.com>
5556
5557         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
5558         Change respective itanium_class attribute to ialu.
5559         (shladdp4_internal): New.
5560         * config/ia64/predicates.md (shladd_log2_operand): New.
5561
5562 2005-01-11  Richard Henderson  <rth@redhat.com>
5563
5564         * expr.c (store_constructor): Use rtvec_alloc instead of
5565         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
5566
5567 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
5568
5569         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
5570
5571 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
5572
5573         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
5574         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
5575         (TARGET_RWRELOC): Define.
5576         (ia64_rwreloc_section_type_flags): Delete.
5577         (ia64_section_type_flags): New function.
5578         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
5579         (TARGET_RWRELOC): Define.
5580
5581 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
5582
5583         PR target/18987
5584         * config/ia64/ia64.c (process_set): For alloc insn, only call
5585         process_epilogue is !frame_pointer_needed.
5586
5587 2005-01-10  Roger Sayle  <roger@eyesopen.com>
5588
5589         PR c++/19355
5590         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
5591         unary operator and can't be treated as a binary/comparison operator.
5592
5593 2005-01-10  Richard Henderson  <rth@redhat.com>
5594
5595         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
5596         (ix86_return_in_memory): Likewise.
5597         (function_arg_advance):  Likewise.  Mirror structure in function_arg
5598         for choosing register to advance.
5599
5600 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
5601
5602         * tree-vectorizer.c, tree.def: Fix comment typos.
5603
5604 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
5605
5606         * config/s390/s390.c (struct processor_costs): 4 new fields:
5607         ddbr, ddr, debr, der.
5608         (s390_rtx_costs): More precise handling of divide instructions.
5609
5610 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
5611
5612         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
5613
5614 2005-01-10  Jan Beulich  <jbeulich@novell.com>
5615
5616         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
5617         names resulting from -ffunction-sections/-fdata-sections and linkonce
5618         ones.
5619         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
5620         based on the section name. Rearrange the section name comparison logic
5621         slightly so that each section name is compared against at most once.
5622
5623 2005-01-10  Ben Elliston  <bje@au.ibm.com>
5624
5625         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
5626         targets for which -fPIC reduces limitations on the GOT size.
5627
5628 2005-01-09  Falk Hueffner  <falk@debian.org>
5629
5630         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
5631         X/C1 cmpop C2.
5632
5633 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
5634
5635         PR target/18720
5636         * collect2.c (main): Set aixrtl_flag for -brtl option.
5637         (resolve_lib_name): Search for .so file extension before .a
5638         if aixrtl_flag set.
5639
5640 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
5641
5642         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
5643         (vect_analyze_data_refs_alignment): Add dump prints.
5644
5645 2005-01-09  Ira Rosen  <irar@il.ibm.com>
5646
5647         * tree-vectorizer.c (vect_analyze_offset_expr): Use
5648         expr_invariant_in_loop_p.
5649         Initialize outputs first thing in the function.
5650         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
5651         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
5652         (vect_analyze_pointer_ref_access): Check that the initial condition of
5653         the access function is loop invariant.
5654
5655 2005-01-09  Richard Henderson  <rth@redhat.com>
5656
5657         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
5658         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
5659         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
5660         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
5661         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
5662         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
5663         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
5664         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
5665         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
5666         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
5667         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
5668         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
5669         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
5670         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
5671         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
5672         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
5673         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
5674         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
5675         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
5676         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
5677         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
5678         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
5679         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
5680         mmx_ prefix.
5681         (mmx_clrdi, pavgusb): Remove.
5682         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
5683         with leading sse_ prefix.
5684         * config/i386/sse.md: Receive them.
5685         * config/i386/mmx.md: New file.
5686         (MMXMODE12, MMXMODE24, mmxvecsize): New.
5687         (subrv2sf3): Turn into expander for normal subtraction.
5688         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
5689         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
5690         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
5691         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
5692         commutative; use ix86_binary_operator_ok.
5693         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
5694         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
5695         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
5696         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
5697         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
5698         Macroize from existing patterns; use ix86_binary_operator_ok.
5699         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
5700         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
5701         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
5702         with vec_select+vec_concat.
5703         (mmx_pshufw, mmx_pshufw_1): Likewise.
5704         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
5705         (mmx_uavgv4hi3): Model correctly.
5706         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
5707         _mm_xor_si64): Remove casts.
5708
5709 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
5710
5711         PR tree-optimization/19224
5712         * tree-scalar-evolution.c (get_instantiated_value,
5713         set_instantiated_value): New functions.
5714         (instantiate_parameters_1): Cache the results.
5715         (instantiate_parameters, resolve_mixers): Initialize and free
5716         the cache.
5717
5718 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
5719
5720         * config/i386/i386.md (addhi_4): Correct reference in comment.
5721         (addqi_4): Same.
5722
5723 2005-01-08  Richard Henderson  <rth@redhat.com>
5724
5725         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
5726         (_mm_cvtsi128_si64x): Likewise.
5727         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
5728         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
5729         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
5730         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
5731         * config/i386/i386-protos.h: Update.
5732         * config/i386/i386.c (print_operand): Add 'H'.
5733         (ix86_fixup_binary_operands): Split out from ...
5734         (ix86_expand_binary_operator): ... here.
5735         (ix86_fixup_binary_operands_no_copy): New.
5736         (ix86_expand_fp_absneg_operator): Handle vector mode results.
5737         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
5738         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
5739         (safe_vector_operand): Use CONST0_RTX.
5740         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
5741         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
5742         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
5743         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
5744         special cases.
5745         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
5746         (IX86_BUILTIN_CMPNGESS): New.
5747         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
5748         (attr type): Add sselog1.
5749         (attr unit, attr memory): Handle it.
5750         (movti, movti_internal, movti_rex64): Move near other integer moves.
5751         (movtf, movtf_internal): Move near other fp moves.
5752         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
5753         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
5754         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
5755         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
5756         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
5757         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
5758         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
5759         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
5760         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
5761         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
5762         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
5763         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
5764         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
5765         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
5766         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
5767         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
5768         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
5769         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
5770         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
5771         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
5772         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
5773         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
5774         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
5775         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
5776         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
5777         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
5778         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
5779         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
5780         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
5781         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
5782         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
5783         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
5784         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
5785         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
5786         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
5787         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
5788         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
5789         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
5790         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
5791         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
5792         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
5793         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
5794         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
5795         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
5796         same time.
5797         (SSEPUSH, push<SSEPUSH>): Remove.
5798         (MMXPUSH, push<MMXPUSH>): Remove.
5799         (sse_movaps, sse_movaps_1, sse_movups): Remove.
5800         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
5801         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
5802         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
5803         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
5804         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
5805         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
5806         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
5807         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
5808         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
5809         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
5810         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
5811         (ppro_sse_log_V4SF): Handle sselog1.
5812         * config/i386/predicates.md (const_0_to_1_operand): New.
5813         (const_0_to_255_mul_8_operand): New.
5814         (const_1_to_31_operand): Rename from const_int_1_31_operand.
5815         (const_2_to_3_operand, const_4_to_7_operand): New.
5816         * config/i386/sse.md: New file.
5817         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
5818         (sse_movups): Rename from sse_movups_1.
5819         (sse_loadlss): Rename from sse_loadss_1.
5820         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
5821         from the name.
5822         (negv4sf2): Use ix86_expand_fp_absneg_operator.
5823         (absv4sf2, negv2df, absv2df): New.
5824         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
5825         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
5826         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
5827         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
5828         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
5829         (sse3_addsubv4sf3): Model correctly.
5830         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
5831         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
5832         (sse_movhlps): Model with vec_select+vec_concat.
5833         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
5834         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
5835         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
5836         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
5837         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
5838         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
5839         sse2_pshufhw_1): Likewise.
5840         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
5841         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
5842         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
5843         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
5844         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
5845         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
5846         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
5847         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
5848         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
5849         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
5850         sminv8hi3): Mark commutative
5851         operands.  Use ix86_binary_operator_ok.
5852         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
5853         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
5854         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
5855         sse2_punpcklqdq): Allow operand2 in memory.
5856         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
5857         sse2_movsd): Add memory alternatives.
5858         (sse_storelps): Turn expander into an insn; split after reload.
5859         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
5860         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
5861
5862 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5863
5864         * configure.ac (DWARF-2 debug_line): Use objdump.
5865         * configure: Regenerate.
5866
5867 2005-01-08  Jeff Law  <law@redhat.com>
5868             Diego Novillo  <dnovillo@redhat.com>
5869
5870         PR tree-optimization/18241
5871         * tree-nrv.c (tree_nrv): Ignore volatile return values.
5872         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
5873         statements with volatile operands.
5874         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
5875         operands after marking a statement with has_volatile_ops.
5876
5877 2005-01-08  Roger Sayle  <roger@eyesopen.com>
5878
5879         * tree.c (int_fits_type_p): Always honor integer constant
5880         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
5881
5882 2005-01-08  Roger Sayle  <roger@eyesopen.com>
5883
5884         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
5885         the latent bug in rtl_delete_block has been resolved.
5886
5887 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
5888
5889         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
5890         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
5891
5892 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
5893
5894         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
5895         library as @multilib_dir@/$(SHLIB_SONAME).
5896
5897 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5898
5899         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
5900         * configure: Regenerate.
5901
5902 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
5903
5904         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
5905         TYPE_MODE.
5906
5907 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
5908
5909         PR target/13674
5910         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5911         Convert non-word aligned offset address using ld/std into
5912         indirect address.
5913
5914 2005-01-07  Richard Henderson  <rth@redhat.com>
5915
5916         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
5917
5918 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
5919
5920         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
5921
5922 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
5923
5924         PR tree-optimization/19283
5925         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
5926         is not shorter than the original type.
5927
5928         PR rtl-optimization/19012
5929         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
5930
5931         PR rtl-optimization/18861
5932         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
5933         (FULL_STATE): Define.
5934         (mark_tablejump_edge): New function.
5935         (purge_dead_tablejump_edges): New function.
5936         (find_bb_boundaries): Use it.
5937
5938         PR tree-optimization/18828
5939         * builtins.c (expand_builtin_next_arg): Remove argument and all
5940         the argument checking.
5941         (expand_builtin): Adjust caller.
5942         (expand_builtin_va_start): Likewise.  Remove error for too many
5943         arguments.
5944         (fold_builtin_next_arg): Issue error for too many arguments.
5945         After checking arguments, replace them with magic arguments that
5946         prevent further checking of the args.
5947
5948 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5949
5950         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
5951
5952 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5953
5954         PR target/6077
5955         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
5956         and %{.S:...} (and their negative variants) to test whether the
5957         input file is assembler or pre-processed-assembler independent of
5958         the actual filename extension.
5959
5960 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5961
5962         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
5963         of sign or zero extended values.
5964
5965 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
5966
5967         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
5968         for IBM long double format correctly.
5969
5970 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
5971
5972         Fix PR tree-optimization/18792
5973
5974         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
5975         to first_loop_depth, and use loop depth instead of loop number.
5976         (build_classic_dir_vector): Ditto.
5977         (compute_data_dependences_for_loop): Use depth, not loop number.
5978         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
5979         number. Pass in loops, instead of loop numbers.
5980         (gather_interchange_stats): Ditto.
5981         (linear_transform_loops): Ditto.
5982
5983 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
5984
5985         PR rtl-opt/13299
5986         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
5987         biv_fits_mode_p, extension_within_bounds_p): New functions.
5988         (check_ext_dependent_givs): Use them.
5989
5990 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5991
5992         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
5993         more than one barrier, in which case we should delete them all.
5994
5995 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
5996
5997         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
5998
5999 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
6000
6001         Fix PR middle-end/19286
6002         Fix PR debug/19267
6003         * dwarf2out.c (gen_subprogram_die): If we've already tried to
6004         output this subprogram, simply ignore this attempt to do it again.
6005         (add_abstract_origin_attribute): Don't abort trying to add the abstract
6006         origin attribute if it's not possible.
6007         (gen_block_die): Don't ignore subblocks of "unused" blocks.
6008         (decls_for_scope): Ditto.
6009         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
6010         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
6011
6012 2005-01-05  Richard Henderson  <rth@redhat.com>
6013
6014         PR target/11327
6015         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
6016         (bdesc_2arg): Use it.
6017         (ix86_expand_binop_builtin): Force operands into registers
6018         when optimizing.
6019         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
6020         ix86_expand_sse_compare, ix86_expand_sse_comi,
6021         ix86_expand_builtin): Likewise.
6022
6023 2005-01-05  Richard Henderson  <rth@redhat.com>
6024
6025         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
6026         and VEC_SELECT.
6027         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
6028         (mulv4hi3): Set itanium_class mmmul.
6029         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
6030         (fpack): Rename from fpack_sfsf.
6031
6032 2005-01-05  Richard Henderson  <rth@redhat.com>
6033
6034         PR rtl-opt/10692
6035         * reload1.c (do_input_reload): Restrict the optimization deleteing
6036         a previous output reload to RELOAD_FOR_INPUT.
6037
6038 2005-01-05  Steven Bosscher  <stevenb@suse.de>
6039
6040         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
6041         comment that we fall through after case.
6042         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
6043         (distribute_links): Likewise.
6044         * cse.c (cse_insn): Likewise.
6045         * cselib.c (cselib_invalidate_mem): Likewise.
6046         * df.c: Update comments at the top of the file.
6047         (read_modify_subreg_p): Update comments here too.
6048         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
6049         * flow.c (mark_set_1): Likewise.
6050         (mark_used_regs): Likewise.
6051         * gcse.c (mems_conflict_for_gcse_p): Likewise.
6052         (canon_list_insert): Likewise.
6053         (mark_set): Likewise.
6054         (try_replace_reg): Likewise.
6055         (store_killed_in_insn): Likewise.
6056         * loop.c (count_one_set): Likewise.
6057         (basic_induction_var): Likewise.
6058         * postreload-gcse.c (find_mem_conflicts): Likewise.
6059         * postreload.c (reload_combine_note_store): Likewise.
6060         (move2add_note_store): Likewise.
6061         * reload.c (find_equiv_reg): Likewise.
6062         (mark_referenced_resources): Likewise.
6063         * rtlanal.c (set_noop_p): Likewise.
6064         (note_stores): Likewise.
6065         (note_uses): Likewise.
6066         * sched-deps.c (sched_analyze_1): Likewise.
6067         * sched-rgn.c (check_live_1): Likewise.
6068         (update_live_1): Likewise.
6069         * config/i860/i860.c: Likewise.
6070
6071         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
6072         an lvalue.
6073         (ZERO_EXTRACT): Mention that this one can be an lvalue.
6074
6075         * doc/rtl.texi: Update documentation for bit-fields and SET.
6076
6077 2005-01-05  Roger Sayle  <roger@eyesopen.com>
6078
6079         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
6080
6081 2005-01-05  Jan Hubicka  <jh@suse.cz>
6082             Richard Henderson  <rth@redhat.com>
6083
6084         PR target/18910
6085         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
6086         with an offset.
6087
6088 2005-01-05  Richard Henderson  <rth@redhat.com>
6089
6090         PR target/12902
6091         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
6092         (sse_shufps): Change operand 3 to const_int_operand.
6093         (sse2_storelps): Fix typo in template.
6094         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
6095         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
6096         (ix86_expand_builtin): Likewise.
6097
6098 2005-01-05  Julian Brown  <julian@codesourcery.com>
6099
6100         * config/arm/arm.c (arm_return_in_memory): Treat complex types
6101         as aggregates for AAPCS ABIs.
6102
6103 2005-01-05  Stan Shebs  <shebs@apple.com>
6104
6105         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
6106         Mach-O getters if ppc64.
6107         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
6108         size argument.
6109         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6110         signed four-byte field for global code case.
6111         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
6112
6113 2005-01-05  Roger Sayle  <roger@eyesopen.com>
6114
6115         PR middle-end/19100
6116         * c-common.c: Include real.h.
6117         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
6118         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
6119         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
6120         * Makefile.in (c-common.o): Update dependencies.
6121
6122 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6123
6124         * c-parse.in (asm_string): Add trailing semicolon.
6125
6126 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6127
6128         * c-parse.in (asm_string): New.  Don't allow wide strings in
6129         'asm'.
6130         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
6131         asm_string instead of STRING.
6132
6133 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6134
6135         * c-typeck.c (constructor_no_implicit): Remove.
6136         (set_designator, process_init_element): Don't check
6137         constructor_no_implicit.
6138
6139 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
6140             Kaz Kojima  <kkojima@gcc.gnu.org>
6141
6142         PR target/16482
6143         * lcm.c (create_pre_exit): New.
6144         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
6145         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
6146
6147 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
6148
6149         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
6150         -msoft-float in target_float_switch.
6151         * arm.c (arm_override_options): Fix processing of target_float_switch.
6152
6153 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
6154
6155         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
6156         preferencing.
6157
6158 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
6159
6160         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
6161         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
6162
6163 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6164
6165         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
6166         if deleting the then-block allows the test-block to fallthru to the
6167         else-block.
6168
6169 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
6170
6171         PR c/19152
6172         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
6173         after the full declaration if the are in two different TUs.
6174
6175 2005-01-04  Richard Henderson  <rth@redhat.com>
6176
6177         PR tree-opt/19158
6178         * tree-sra.c (generate_one_element_init): Just
6179         call gimplify_and_add.
6180         (generate_element_init): Record the
6181         new referenced variables and mark them for renaming
6182         and split out to ...
6183         (generate_element_init_1): This.
6184         (scalarize_init): Don't call push_gimplify_context/
6185         pop_gimplify_context.
6186
6187 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
6188
6189         * toplev.c (get_src_pwd): Handle failure of getpwd().
6190
6191 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6192
6193         * fold-const.c (fold_single_bit_test): Delete unreachable handling
6194         of TRUTH_NOT_EXPR.
6195         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
6196         all the cases handled by it are inverted by invert_truthvalue.
6197
6198 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6199
6200         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
6201         (save_register_windowsi): Likewise.
6202
6203 2005-01-04  Richard Henderson  <rth@redhat.com>
6204
6205         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
6206
6207 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6208
6209         PR middle-end/17767
6210         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
6211         any simplifications of vector mode comparison operators.
6212         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
6213
6214 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
6215             Devang Patel  <dpatel@apple.com>
6216
6217         PR tree-optimization/18308
6218         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
6219         the operands before creating a new expression.
6220         * dojump.c (do_jump): Make drop_through_label available
6221         for all cases.  Add expansion of COND_EXPR.
6222
6223 2005-01-04  Ira Rosen  <irar@il.ibm.com>
6224
6225         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
6226         INTEGER_CST instead of TREE_CONSTANT.
6227         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
6228         instead of TREE_CONSTANT.
6229         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
6230         instead of TREE_CONSTANT.
6231
6232 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6233
6234         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
6235
6236 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6237
6238         PR target/19240
6239         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
6240         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
6241
6242 2005-01-03  Richard Henderson  <rth@redhat.com>
6243
6244         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
6245         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
6246         fold_convert_const_real_from_real): Split out from ...
6247         (fold_convert_const): ... here.
6248
6249 2005-01-03  Richard Henderson  <rth@redhat.com>
6250
6251         PR target/19235
6252         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
6253         (mov<MMXMODEI>_internal): Likewise.
6254         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
6255         Add V2SF case; use it for SSE1; don't use TI.
6256         (movdf_integer): Likewise.
6257         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
6258
6259 2005-01-03  Ira Rosen  <irar@il.ibm.com>
6260
6261         * tree-vectorizer.c (vect_strip_conversions): New function.
6262         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
6263         check for binary class.
6264
6265 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
6266
6267         Fix PR debug/17924
6268         Fix PR debug/19191
6269         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
6270         is a decl.
6271         * gimple-low.c (mark_blocks_with_used_vars): New function.
6272         (mark_blocks_with_used_subblocks): Ditto.
6273         (mark_used_blocks): Ditto.
6274         (pass_mark_used_blocks): New pass.
6275         * tree-inline.c: Include debug.h.
6276         (expand_call_inline): Call outlining_inline_function here.
6277         * tree-optimize.c (init_tree_optimization_passes): Add
6278         pass_mark_used_blocks.
6279         * tree-pass.h (pass_mark_used_blocks): New.
6280         * Makefile.in (tree-inline.o): Add debug.h dependency.
6281
6282 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
6283
6284         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
6285         VAR_DECLs to have weak_import attribute.
6286
6287         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
6288         'struct ucontext'.
6289
6290 2004-01-03  Steven Bosscher  <stevenb@suse.de>
6291
6292         * passes.c (rest_of_compilation): Don't run regmove if only
6293         flag_expensive_optimizations, require flag_regmove instead.
6294
6295 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6296
6297         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
6298         register "sparc".
6299         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
6300         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6301         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
6302         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6303
6304 2005-01-03  Richard Henderson  <rth@redhat.com>
6305
6306         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
6307         (ia64_const_ok_for_letter_p): New.
6308         (ia64_const_double_ok_for_letter_p): New.
6309         (ia64_extra_constraint): New.
6310         (ia64_expand_vecint_compare): New.
6311         (ia64_expand_vcondu_v2si): New.
6312         (ia64_expand_vecint_cmov): New.
6313         (ia64_expand_vecint_minmax): New.
6314         (ia64_print_operand): Add 'v'.
6315         (ia64_preferred_reload_class): New.
6316         (ia64_vector_mode_supported_p): New.
6317         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
6318         (PREFERRED_RELOAD_CLASS): Move to function.
6319         (CONST_OK_FOR_LETTER_P): Move to function.
6320         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
6321         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
6322         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
6323         (EXTRA_CONSTRAINT): Move to function.
6324         * config/ia64/ia64.md: Include vect.md.
6325         (itanium_class): Add mmalua.
6326         (type): Handle it.
6327         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
6328         (1b_mmalua): New.
6329         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
6330         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
6331         CONST0_RTX.
6332         (const_int_2bit_operand): New.
6333         (fr_reg_or_0_operand): New.
6334         * config/ia64/ia64-modes.def: Add vector modes.
6335         * config/ia64/ia64-protos.h: Update.
6336         * config/ia64/vect.md: New file.
6337
6338 2005-01-03  Richard Henderson  <rth@redhat.com>
6339
6340         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
6341
6342 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
6343
6344         PR target/19236
6345         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
6346         to SFmode.
6347         (log1pdf2): Change mode of operands[0,1] to DFmode.
6348
6349 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6350
6351         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
6352         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
6353         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
6354         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
6355         SPARC_RELAXED_ORDERING.
6356
6357 2005-01-03  Richard Henderson  <rth@redhat.com>
6358             Uros Bizjak  <uros@kss-loka.si>
6359
6360         PR target/14631
6361         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
6362         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
6363         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
6364         handling.
6365         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
6366         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
6367         const_pow2_1_to_128_operand): New predicates.
6368
6369 2005-01-02  Greg McGary  <greg@mcgary.org>
6370
6371         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
6372         anonymous decls.
6373         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
6374         object.  [ptr_type]: Remove unused variable.
6375         Remember nearest addressable array-element or record-component
6376         when checking bitfield components.  Tolerate empty BIND_EXPR.
6377
6378 2005-01-01  Richard Henderson  <rth@redhat.com>
6379
6380         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
6381         that don't narrow the value.  Fail for other conversions.
6382
6383 2005-01-01  Richard Henderson  <rth@redhat.com>
6384
6385         PR c/19031
6386         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
6387         * c-lang.c (finish_file): Don't do it here.
6388         * objc/objc-act.c (objc_finish_file): Likewise.
6389
6390         * cgraph.c (decl_assembler_name_equal): New.
6391         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
6392         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
6393         * cgraph.h (struct cgraph_varpool_node): Add next.
6394         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
6395         * varasm.c (assemble_alias): Mark the target as needed.
6396
6397 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
6398
6399         PR middle-end/19221
6400         * function.c (get_arg_pointer_save_area): Use entry_of_function
6401         instead of get_insns.
6402
6403 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6404             Andrew Pinski  <pinskia@physics.uc.edu>
6405             James E. Wilson  <wilson@specifixinc.com>
6406
6407         PR rtl-optimization/12092
6408         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
6409         is zero.
6410
6411 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6412             Olivier Hainque  <hainque@act-europe.fr>
6413
6414         * tree.c (int_fits_type_p): A narrower type always fits in a
6415         wider one, except for negative values into unsigned types.
6416
6417 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6418
6419         * tree.c (int_fits_type_p): Compare the result of force_fit_type
6420         with the original constant rather than require TREE_OVERFLOW.
6421
6422 2005-01-01  Steven Bosscher  <stevenb@suse.de>
6423
6424         PR middle-end/17544
6425         * c-decl.c (finish_function): If compiling C99, annotate the
6426         compiler generated return with the current file name and line 0.
6427         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
6428         the source line is greater than 0.
6429         (remove_bb): Likewise.
6430
6431 See ChangeLog.12 for earlier changes.