gcc/ChangeLog

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