gcc/ChangeLog

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