gcc/ChangeLog

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