gcc/ChangeLog

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