gcc/ChangeLog

   1 2009-11-19  Jason Merrill  <jason@redhat.com>
   2
   3         * dwarf2out.c (get_context_die): Take TYPE_MAIN_VARIANT.
   4
   5 2009-11-19  Basile Starynkevitch  <basile@starynkevitch.net>
   6             Rafael Avila de Espindola  <espindola@google.com>
   7
   8         * doc/plugins.texi (Plugin initialization): Added advices for
   9         retrieving the version of GCC at plugin compilation and loading
  10         times.
  11
  12 2009-11-19  Basile Starynkevitch  <basile@starynkevitch.net>
  13
  14         * plugin.c (FMT_FOR_PLUGIN_EVENT): added definition.
  15         (dump_active_plugins): output to file everything. Use
  16         internationalized dump & FMT_FOR_PLUGIN_EVENT.
  17
  18 2009-11-19  Richard Guenther  <rguenther@suse.de>
  19
  20         * gimple.c (canonicalize_cond_expr_cond): Strip conversions
  21         around truth-valued expressions.
  22         * tree.c (free_lang_data): Untangle check for LTO frontend.
  23
  24 2009-11-19  Jakub Jelinek  <jakub@redhat.com>
  25
  26         * tree.c (need_assembler_name_p): Use cgraph_get_node instead
  27         of cgraph_node_for_decl.
  28         * cgraph.h (cgraph_node_for_decl): Remove prototype.
  29         * cgraph.c (cgraph_node_for_decl): Remove.
  30         (cgraph_get_node): Just return NULL if !cgraph_hash.
  31
  32 2009-11-19  Paul Brook  <paul@codesourcery.com>
  33
  34         * config.gcc: Add new ARM --with-fpu options.
  35         * doc/invoke.texi: Docuent ARM -mfpu=fpv4-sp-d16.
  36         * config/arm/arm.c (all_fpus): Add fpv4-sp-d16.
  37
  38 2009-11-18  Richard Guenther  <rguenther@suse.de>
  39
  40         * gimple.h (union gimple_statement_d): Add gsmembase member.
  41         (gimple_vuse_op): Use gsmembase for access.
  42         (gimple_vdef_op): Likewise.
  43         (gimple_vuse): Likewise.
  44         (gimple_vdef): Likewise.
  45         (gimple_vuse_ptr): Likewise.
  46         (gimple_vdef_ptr): Likewise.
  47         (gimple_set_vuse): Likewise.
  48         (gimple_set_vdef): Likewise.
  49         * gsstruct.def (GSS_WITH_MEM_OPS_BASE): Add.
  50
  51 2009-11-18  Daniel Jacobowitz  <dan@codesourcery.com>
  52
  53         * doc/arm-neon-intrinsics.texi: Regenerated.
  54
  55 2009-11-18  Daniel Jacobowitz  <dan@codesourcery.com>
  56
  57         * config/arm/neon-docgen.ml (analyze_shape_elt): Handle
  58         Alternatives.
  59
  60 2009-11-18  Paul Brook  <paul@codesourcery.com>
  61         Daniel Jacobowitz  <dan@codesourcery.com>
  62
  63         * config/arm/arm.c (FL_ARCH7EM, FL_FOR_ARCH7EM): Define.
  64         (arm_arch7em): New variable.
  65         (all_architectures): Add armv7e-m.
  66         (arm_override_options): Set arm_arch7em.
  67         * config/arm/arm.h (TARGET_DSP_MULTIPLY, TARGET_INT_SIMD):
  68         Include arm_arch7em.
  69         (arm_arch7em): Declare.
  70
  71 2009-11-18  Richard Guenther  <rguenther@suse.de>
  72
  73         * lto-streamer-in.c (input_gimple_stmt): Assert that we find
  74         a valid field decl if checking is enabled.
  75
  76 2009-11-18  Martin Jambor  <mjambor@suse.cz>
  77
  78         * ipa-prop.h (struct ipa_param_call_note): New field lto_stmt_uid.
  79         (lto_ipa_fixup_call_notes): Declare.
  80         * ipa-prop.c (ipa_note_param_call): Store gimple uid.
  81         (update_call_notes_after_inlining): Copy call stmt uid to the new
  82         edge.
  83         (ipa_write_param_call_note): New function.
  84         (ipa_read_param_call_note): New function
  85         (ipa_write_node_info): Write also param call notes.  Removed a bogus
  86         comment, reformatted to fit 80 columns.
  87         (ipa_read_node_info): Read also param call notes. Removed a bogus
  88         comment.  Remove ipa_edge_args_vector growth.
  89         (lto_ipa_fixup_call_notes): New function.
  90         * ipa-cp.c (pass_ipa_cp): Add stmt_fixup hook.
  91         * ipa-inline.c (cgraph_mark_inline_edge): Perform indirect
  92         inlining regardless of flag_wpa.
  93         (cgraph_decide_inlining_of_small_functions): Likewise.
  94         (cgraph_decide_inlining): Likewise.
  95         (inline_read_summary): Likewise.
  96
  97 2009-11-18  Jan Hubicka  <jh@suse.cz>
  98
  99         * predict.c (compute_function_frequency): Export.
 100         * predict.h (compute_function_frequency): Declare.
 101         * tree-optimize.c (execute_fixup_cfg): Rescale frequencies.
 102
 103 2009-11-18  Martin Jambor  <mjambor@suse.cz>
 104
 105         * passes.c (ipa_write_summaries): Call renumber_gimple_stmt_uids
 106         on all nodes we write summaries for.
 107
 108 2009-11-18  Shujing Zhao  <pearly.zhao@oracle.com>
 109
 110         PR middle-end/22201
 111         * params.def (PARAM_INLINE_UNIT_GROWTH)
 112         PARAM_IPCP_UNIT_GROWTH)
 113         (PARAM_EARLY_INLINING_INSNS, PARAM_IRA_MAX_LOOPS_NUM)
 114         (PARAM_IRA_MAX_CONFLICT_TABLE_SIZE)
 115         (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP)
 116         (PARAM_MIN_INSN_TO_PREFETCH_RATIO)
 117         (PARAM_PREFETCH_MIN_INSN_TO_MEM_RATIO)
 118         PARAM_IPA_SRA_PTR_GROWTH_FACTOR): Uppercase the first letter of the
 119         description string.
 120
 121 2009-11-18  Jakub Jelinek  <jakub@redhat.com>
 122
 123         * dwarf2out.c (loc_list_from_tree): Don't call rtl_for_decl_location
 124         unnecessarily.
 125         (rtl_for_decl_location): Try harder to get a rtl for TREE_STATIC vars.
 126
 127         PR c++/3187
 128         * cgraph.h (struct cgraph_node): Add same_body and same_body_alias
 129         fields.
 130         (cgraph_same_body_alias, cgraph_remove_same_body_alias): New
 131         prototypes.
 132         * cgraphunit.c (cgraph_expand_function, cgraph_emit_thunks,
 133         cgraph_materialize_all_clones): Handle same_body aliases.
 134         * cgraph.c (cgraph_allocate_node): New function.
 135         (cgraph_create_node): Use it.
 136         (cgraph_node_for_decl, cgraph_node, cgraph_get_node,
 137         cgraph_node_for_asm, cgraph_remove_node): Handle same_body aliases.
 138         (cgraph_same_body_alias, cgraph_remove_same_body_alias): New
 139         functions.
 140         * lto-cgraph.c (lto_output_node): Stream out same_body aliases.
 141         (input_node): Stream in same_body aliases.
 142         * lto-symtab.c (lto_cgraph_replace_node): Clear node pointers
 143         for same_body aliases.
 144         (lto_symtab_merge_cgraph_nodes_1): Handle same_body aliases.
 145
 146 2009-11-18  Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
 147
 148         PR other/39888
 149         * config/darwin.h: Use the extension stub libraries to access
 150         current libgcc_s features.
 151
 152 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
 153
 154         PR debug/41926
 155         * tree-vect-loop.c (vect_loop_kill_debug_uses): New.
 156         (vect_transform_loop): Call it.
 157
 158 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
 159
 160         * tree-ssa.c (insert_debug_temp_for_var_def): Fix handling of
 161         released SSA names.
 162
 163 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
 164
 165         PR debug/41888
 166         PR debug/41886
 167         * graphite-scop-detection.c (stmt_simple_for_scop_p): Debug stmts
 168         are ok.
 169         * graphite-sese-to-poly.c (graphite_stmt_p): Likewise.
 170         (try_generate_gimple_bb): Skip debug stmts when finding data refs.
 171         * sese.c (sese_build_liveouts_bb): Skip debug stmts.
 172         (sese_bad_liveouts_use): New.
 173         (sese_reset_debug_liveouts_bb): New.
 174         (sese_build_liveouts): Use it.
 175         (rename_variables_in_stmt): Reset debug stmts rather than creating
 176         new vars for them.
 177         (expand_scalar_variable_stmt): Likewise.
 178
 179 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
 180
 181         * df-scan.c (df_ref_create): Don't mark BB as dirty on debug insns.
 182         (df_ref_remove): Likewise.
 183
 184 2009-11-17  Jan Hubicka  <jh@suse.cz>
 185
 186         * ipa-struct-reorg.c (update_cgraph_with_malloc_call): Fix profile
 187         info.
 188
 189 2009-11-17  Eric Botcazou  <ebotcazou@adacore.com>
 190
 191         * toplev.c (process_options): Remove dead code.
 192         * doc/invoke.texi (-frename-registers): Mention -fpeel-loops.
 193
 194 2009-11-17  Rafael Avila de Espindola  <espindola@google.com>
 195
 196         * lto-symtab.c (lto_symtab_resolve_symbols): Always initialize the
 197         nodes.
 198
 199 2009-11-17  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 200
 201         PR tree-optimization/41857
 202         * tree-ssa-address.c (move_hint_to_base): Use void pointer to
 203         TYPE's address space instead of pointer to TYPE.
 204
 205 2009-11-17  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 206
 207         * reload.c (find_reloads_address): Fix typo.
 208
 209 2009-11-17  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 210
 211         * config/spu/spu.c (get_pic_reg): Use LAST_ARG_REGNUM as PIC
 212         registers in leaf functions if possible.
 213
 214 2009-11-17  Maxim Kuvyrkov  <maxim@codesourcery.com>
 215
 216         * config/m68k/m68k-devices.def: Add MCF5441x family.
 217
 218 2009-11-17  Jan Hubicka  <jh@suse.cz>
 219
 220         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Do not access
 221         removed node.
 222         * cgraphunit.c (verify_cgraph_node): Verify frequencies for match.
 223
 224 2009-11-17  Uros Bizjak  <ubizjak@gmail.com>
 225
 226         * config/i386/predicates.md (x86_64_szext_general_operand): Do not
 227         nest ior expressions.
 228         (x86_64_szext_nonmemory_operand): Ditto.
 229         (call_insn_operand): Ditto.
 230
 231 2009-11-16  Alexandre Oliva  <aoliva@redhat.com>
 232
 233         * stmt.c (expand_asm_stmt): Get locus from stmt.
 234
 235 2009-11-16  Alexandre Oliva  <aoliva@redhat.com>
 236
 237         * tree-cfg.c (gimple_redirect_edge_and_branch) <case GIMPLE_ASM>:
 238         Create the decl label for the new dest block on demand.  Require
 239         a fallthrough edge if no asm labels were redirected.
 240
 241 2009-11-16  Uros Bizjak  <ubizjak@gmail.com>
 242
 243         * config/i386/i386.md (cbranchsi4): Use nonimmediate_operand for
 244         operand 1 predicate.
 245         (cstoresi4): Ditto for operand 2.
 246         (cbranch<mode>4): Macroize expander from cbranch{qi,hi,si,di,ti}4
 247         patterns using SDWIM mode iterator.
 248         (cstore<mode>4): Macroize expander from cstore{qi,hi,si,di}4 patterns
 249         using SWIM mode iterator.
 250         (cmpdi_1): Rename from cmpdi_1_rex64.
 251         (cmp<mode>_1): Macroize expander from cmp{si,di}_1 patterns using
 252         SWI48 mode iterator.
 253         (*cmp<mode>_1): Macroize insn from *cmp{qi,hi,si,di}_1_insn using SWI
 254         mode iterator.
 255         (*cmp<mode>_ccno_1): Ditto from *cmp{qi,hi,si,di}_ccno_1.
 256         (*cmp<mode>_minus_1): Ditto from *cmp{qi,hi,si,di}_minus_1.
 257         (*cmpqi_ext_3_insn): Make private.
 258         (*cmpqi_ext_3_insn_rex64): Make private.
 259         (cmpstrnsi): Update for renamed cmpdi_1_rex64.
 260         * config/i386/predicates.md (cmpsi_operand): Remove.
 261
 262 2009-11-16  Paul Brook  <paul@codesourcery.com>
 263
 264         * doc/invoke.texi: Document ARM VFPv4 based FPUs.
 265         * config/arm/arm.c (all_fpus): Add VFPv4 entries.
 266
 267 2009-11-14  Jan Hubicka  <jh@suse.cz>
 268
 269         * cgraphbuild.c (compute_call_stmt_bb_frequency): Use proper
 270         ENTRY_BLOCK_PTR.
 271         * cgraph.c (cgraph_clone_edge): Avoid freq_scale 0 to completely
 272         zero out all callees.
 273         * cgraphunit.c (verify_cgraph_node): Verify cgraph nodes for
 274         frequency and count match.
 275         * ipa-inline.c (update_noncloned_frequencies): New function.
 276         (cgraph_clone_inlined_nodes): Use it.
 277         * tree-inline.c (copy_bb): Fix frequency scaling; output
 278         diagnostic on frequency mismatches to dump file.
 279         (initialize_cfun): Do not scale frequency; fix count scaling;
 280         initialize entry and exit block frequencies; copy profile info.
 281         (copy_cfg_body): Use frequency_scale as argument; fix count scaling.
 282         (copy_body): Use frequency_scale as argument.
 283         (expand_call_inline): Compute frequency scale and output diagnostic
 284         to dump file.
 285         (delete_unreachable_blocks_update_callgrah): Remove checking that
 286         has to be done after edge redirection.
 287         (tree_function_versioning): Update initialize_cfun and copy_body call.
 288
 289 2009-11-14  Jan Hubicka  <jh@suse.cz>
 290
 291         * cgraph.c (cgraph_release_function_body): Update use of
 292         ipa_transforms_to_apply.
 293         (cgraph_remove_node): Remove ipa_transforms_to_apply.
 294         * cgraph.h (struct cgraph_node): Add ipa_transforms_to_apply.
 295         * cgraphunit.c (save_inline_function_body): Clear ipa_transforms for
 296         copied body.
 297         (cgraph_materialize_clone): Remove original if dead.
 298         * lto-streamer-in.c (lto_read_body): Remove FIXME and
 299         ipa_transforms_to_apply hack.
 300         * function.h (struct function): Add ipa_transforms_to_apply.
 301         * ipa.c (cgraph_remove_unreachable_nodes): Handle dead clone originals.
 302         * tree-inline.c (copy_bb): Update sanity check.
 303         (initialize_cfun): Do not copy ipa_transforms_to_apply.
 304         (expand_call_inline): remove dead clone originals.
 305         (tree_function_versioning): Merge transformation queues.
 306         * passes.c (add_ipa_transform_pass): Remove.
 307         (execute_one_ipa_transform_pass): Update ipa_transforms_to_apply
 308         tracking.
 309         (execute_all_ipa_transforms): Update.
 310         (execute_one_pass): Update.
 311
 312 2009-11-14  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
 313
 314         PR target/21078, 21080
 315         * config/avr/avr.c (avr_return_addr_rtx): New function for
 316         builtin_return_address.
 317         (expand_prologue): Calculate stack usage.
 318         (avr_asm_function_end_prologue): Output stack size and offset label.
 319         * config/avr/avr.h (RETURN_ADDR_RTX): Replace.
 320         (machine_function): Add stack_usage.
 321         * config/avr/avr-protos.h (avr_return_addr_rtx): New function.
 322
 323 2009-11-14  Anatoly Sokolov  <aesok@post.ru>
 324
 325         * config/iq2000/iq2000.c (iq2000_function_value): Make static, add
 326         new 'outgoing' argument.
 327         (iq2000_libcall_value, iq2000_function_value_regno_p): New functions.
 328         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
 329         * config/iq2000/iq2000.h (FUNCTION_VALUE_REGNO_P): Redefine, use
 330         iq2000_function_value_regno_p.
 331         (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
 332         * config/iq2000/iq2000-protos.h (iq2000_function_value_regno_p):
 333         Declare.
 334
 335 2009-11-14  Richard Earnshaw  <rearnsha@arm.com>
 336
 337         PR target/42031
 338         * arm.md (adddi_sesidi_di): Place tied contraint first.
 339         (adddi_zesidi_di, subdi_di_zesidi, subdi_di_sesidi): Likewise
 340         (subdi_zesidi_di, subdi_sesidi_di): Likewise.
 341         (mulsi3_compare0, mulsi_compare0_scratch): Likewise.
 342         (mulsi3addsi, mulsi3addsi_compare0): Likewise.
 343         (mulsi3addsi_compare0_scratch, smulsi3_highpart_nov6): Likewise.
 344         (umulsi3_highpart_nov6, anddi_zesidi_di, anddi_sesdi_di): Likewise.
 345         (anddi_notdi_di, iordi_sesidi_di, xordi_sesidi_di): Likewise.
 346         (andsi_iorsi3_notsi, arm_ashldi3_1bit, arm_ashrdi3_1_bit): Likewise.
 347         (arm_lshrdi3_1bit, one_cmpldi2): Likewise.
 348
 349 2009-11-14  Uros Bizjak  <ubizjak@gmail.com>
 350
 351         * config/i386/predicates.md (call_register_no_elim_operand):
 352         New predicate.  Reject stack register as valid call operand
 353         for 32bit targets.
 354         (call_insn_operand): Use call_register_no_elim_operand.
 355
 356 2009-11-13  Richard Henderson  <rth@redhat.com>
 357
 358         * function.c (stack_protect_prologue): Don't bypass expand_expr
 359         for stack_protect_guard and guard_decl.
 360         (stack_protect_epilogue): Likewise.
 361
 362 2009-11-13  Jan Hubicka  <jh@suse.cz>
 363
 364         * ipa.c (function_and_variable_visibility): Clear COMDAT on functions
 365         when to PUBLIC is set.
 366
 367 2009-11-13  Jakub Jelinek  <jakub@redhat.com>
 368
 369         PR middle-end/42029
 370         * gimplify.c (gimplify_omp_atomic): Set DECL_GIMPLE_REG_P on
 371         tmp_load if needed.
 372
 373 2009-11-13  Uros Bizjak  <ubizjak@gmail.com>
 374
 375         PR target/41900
 376         * config/i386/i386.md (*call_pop_1, *call_1, *call_value_pop_1,
 377         *call_value_1): Use "lsm" as operand 1 constraint.
 378         * config/i386/predicates.md (call_insn_operand): Depend on
 379         index_register_operand to avoid %esp register.
 380
 381 2009-11-13  Uros Bizjak  <ubizjak@gmail.com>
 382
 383         Revert:
 384         2009-11-03  Uros Bizjak  <ubizjak@gmail.com>
 385
 386         PR target/41900
 387         * config/i386/i386.h (ix86_arch_indices) <X86_ARCH_CALL_ESP>: New.
 388         (TARGET_CALL_ESP): New define.
 389         * config/i386/i386.c (initial_ix86_tune_features): Initialize
 390         X86_ARCH_CALL_ESP.
 391         * config/i386/i386.md (*call_pop_1_esp, *call_1_esp,
 392         *call_value_pop_1_esp, *call_value_1_esp): Rename from *call_pop_1,
 393         *call_1, *call_value_pop_1 and *call_value_1.  Depend on
 394         TARGET_CALL_ESP.
 395         (*call_pop_1, *call_1, *call_value_pop_1, *call_value_1):
 396         New patterns, use "lsm" as operand 1 constraint.
 397         * config/i386/predicates.md (call_insn_operand): Depend on
 398         index_register_operand for !TARGET_CALL_ESP to avoid %esp register.
 399
 400 2009-11-13  Jason Merrill  <jason@redhat.com>
 401
 402         PR debug/26965
 403         * dwarf2out.c (gen_variable_die): Don't worry about DECL_COMDAT.
 404         Don't emit a second declaration at any scope.
 405
 406 2009-11-13  Andrey Belevantsev  <abel@ispras.ru>
 407
 408         PR rtl-optimization/41697
 409         * sel-sched-ir.c (fallthru_bb_of_jump): Bail out when a block with
 410         a conditional jump has a single successor.
 411
 412 2009-11-13  Andrey Belevantsev  <abel@ispras.ru>
 413
 414         * sched-deps.c (init_deps): New parameter lazy_reg_last.  Don't
 415         allocate reg_last when in case lazy_reg_last is true.
 416         (init_deps_reg_last): New.
 417         (free_deps): When max_reg is 0, this context is already freed.
 418         * sched-int.h (init_deps_reg_last): Export.
 419         (init_deps): Update prototype.
 420         * sched-ebb.c (schedule_ebb): Update the call to init_deps.
 421         * sched-rgn.c (sched_rgn_compute_dependencies): Likewise.
 422         * ddg.c (build_intra_loop_deps): Likewise.
 423         * sel-sched-ir.c (copy_deps_context, create_deps_context,
 424         reset_deps_context, deps_init_id): Likewise.
 425         (init_first_time_insn_data): Lazy allocate INSN_DEPS_CONTEXT.
 426         (free_data_for_scheduled_insn): New, break down from ...
 427         (free_first_time_insn_data): ... here.
 428         (has_dependence_p): Allocate reg_last now, when it is needed.
 429         (extend_insn_data): When maximal LUID is big enough, allocate
 430         per-insn data in smaller chunks.
 431         * sel-sched-ir.h (free_data_for_scheduled_insn): Export.
 432         * sel-sched.c (update_seqnos_and_stage): Free INSN_DEPS_CONTEXT
 433         in scheduled insn.
 434
 435 2009-11-13  Uros Bizjak  <ubizjak@gmail.com>
 436
 437         * config/i386/i386.md (call_value): Fix comment.
 438         (sibcall_value): Ditto.
 439
 440 2009-11-13  Eric Botcazou  <ebotcazou@adacore.com>
 441
 442         * config/i386/linux-unwind.h (x86_frob_update_context): New function.
 443         (MD_FROB_UPDATE_CONTEXT): Define.
 444
 445 2009-11-12  Eric Botcazou  <ebotcazou@adacore.com>
 446             Laurent GUERBY  <laurent@guerby.net>
 447
 448         * config/sparc/linux-unwind.h (sparc64_fallback_frame_state): Tidy.
 449         Do not schedule an %sp restore.  Compensate for RETURN_ADDR_OFFSET.
 450         (sparc_fallback_frame_state): Tidy.  Compensate for RETURN_ADDR_OFFSET.
 451
 452 2009-11-12  Jan Hubicka  <jh@suse.cz>
 453
 454         * ipa.c (function_and_variable_visibility): Fix my accidentail commit
 455         and clear DECL_COMMON on localized declarations.
 456
 457 2009-11-12  Bernd Schmidt  <bernd.schmidt@analog.com>
 458
 459         PR rtl-opt/38582
 460         * regrename.c (struct du_head): New structure; some elements moved
 461         from...
 462         (struct du_chain): ... this one.
 463         (open_chains, closed_chains): Now of type struct du_head *.
 464         (do_replace): Accept du_head argument, not du_chain.  All callers
 465         changed.  Modified code to match new data structures.
 466         (build_def_use): Return a list of du_head structures.  Modified code
 467         to match new data structures.
 468         (dump_def_use_chain): Accept du_head argument, not du_chain.  All
 469         callers changed.  Modified code to match new data structures.
 470         (merge_overlapping_regs): Accept du_head argument, not du_chain.  All
 471         callers changed.  Modified code to match new data structures.
 472         (scan_rtx_reg): Change type of this_regno and this_nregs to unsigned.
 473         Allocate a du_head structure as well as a du_chain when creating a
 474         new chain.  Modified other code to match new data structures.
 475
 476 2009-11-12  Jan Hubicka  <jh@suse.cz>
 477
 478         * cgraph.h (varpool_node_name): Declare.
 479         * cgraphunit.c (process_function_and_variable_attributes): Set
 480         force_output flag on used variables.
 481         * ipa.c (function_and_variable_visibility): Dump externally visible
 482         and needed variables.
 483         * varpool.c (varpool_node_name): Export.
 484         (decide_is_variable_needed): Check COMDAT for externally visible vars;
 485         ignore needed flag.
 486
 487 2009-11-12  Uros Bizjak  <ubizjak@gmail.com>
 488
 489         PR middle-end/41930
 490         * simplify-rtx.c (simplify_replace_fn_rtx) <case 'e'>: Skip
 491         processing if XEXP (x, i) is NULL.
 492
 493 2009-11-12  Jan Hubicka  <jh@suse.cz>
 494
 495         * ipa.c (function_and_variable_visibility): Verify that WEAK || COMMON
 496         imply PUBLIC || EXTERNAL.
 497
 498 2009-11-11  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
 499
 500         PR middle-end/41440
 501         * cfgexpand.c (expand_gimple_basic_block): Append NOP to a fallthru,
 502         single successor block, ending with jump created by RTL expander.
 503
 504 2009-11-11  Jan Hubicka  <jh@suse.cz>
 505
 506         PR middle-end/41729
 507         * ipa.c (function_and_variable_visibility): Do not privatize COMDAT
 508         and WEAK variables at -fwhole-program.
 509
 510         PR middle-end/41735
 511         * ipa.c (whole_program_function_and_variable_visility): COMDAT
 512         functions/variables are not needed even if they are externally visible.
 513
 514 2009-11-11  Jan Hubicka  <jh@suse.cz>
 515
 516         (patch by Richard Guenther)
 517         * lto-streamer-out.c (output_function): Output head of argument list
 518         earlier.
 519         * lto-streamer-in.c (input_function): Re-map arguments into merged
 520         declaration.
 521
 522 2009-11-11  Jan Hubicka  <jh@suse.cz>
 523
 524         * lto-cgraph.c: Include gcov-io.h
 525         (output_profile_summary): New function.
 526         (output_cgraph): Use it.
 527         (input_profile_summary): New function.
 528         (input_cgraph): Use it.
 529         * coverage.c (build_ctr_info_value): Use varpool; initalize
 530         DECL_ASSEMBLER_NAME.
 531         (create_coverage): Likewise.
 532         * tree-profile.c (tree_init_ic_make_global_vars): Likewise.
 533         (tree_init_edge_profiler): Likewise.
 534         * Makefile.in (lto-cgraph.o): Add dependency on gcov-io.h.
 535
 536 2009-11-11  Kai Tietz  <kai.tietz@onevision.com>
 537
 538         * config/i386/cygming.h (HANDLE_PRAGMA_PUSH_POP_MACRO): Removed.
 539         * c-pragma.c (def_pragma_macro_value): Likewise.
 540         (def_pragma_macro): Likewise.
 541         (pushed_macro_table): Likewise.
 542         (HANDLE_PRAGMA_PUSH_POP_MACRO): Remove guarded code.
 543         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): Removed.
 544
 545 2009-11-11  Basile Starynkevitch  <basile@starynkevitch.net>
 546
 547         * doc/plugins.texi (Registering custom attributes): section
 548         renamed as (Registering custom attributes or pragmas).
 549         Mentions custom attributes & pragmas, and c_register_pragma, with
 550         a small example.
 551         * doc/cpp.texi (Pragmas): Mentions that plugins can provide their
 552         pragmas.
 553         * doc/extend.texi (Function Attributes): Mentions that plugin can
 554         provide their attributes.
 555
 556 2009-11-11  Jon Beniston  <jon@beniston.com>
 557
 558         * config.gcc: Add lm32 elf and uclinux targets.
 559         * config/lm32: New directory.
 560         * config/lm32/lm32.c: New file.
 561         * config/lm32/lm32.h: New file.
 562         * config/lm32/lm32.md: New file.
 563         * config/lm32/lm32.opt: New file.
 564         * config/lm32/lm32-protos.h: New file.
 565         * config/lm32/constraints.md: New file.
 566         * config/lm32/predicates.md: New file.
 567         * config/lm32/sfp-machine.h: New file.
 568         * config/lm32/t-fprules-softfp: New file.
 569         * config/lm32/uclinux-elf.h: New file.
 570         * doc/invoke.texi: Document lm32 options.
 571         * doc/contrib.texi: Document lm32 porter.
 572         * doc/install.texi: Document lm32 targets.
 573
 574 2009-11-11  Martin Jambor  <mjambor@suse.cz>
 575
 576         PR lto/41932
 577         * ipa-prop.c (ipa_update_after_lto_read): Call
 578         ipa_check_create_node_params and ipa_check_create_edge_args.  Also
 579         call ipa_initialize_node_params instead of ipa_populate_param_decls.
 580
 581 2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
 582
 583         * config/arm/arm.c (neon_vdup_constant, neon_make_constant): New.
 584         (neon_expand_vector_init): Use them.  Also handle non-constant
 585         vectors with identical elements and vectors with only one
 586         non-constant element.
 587         (arm_print_operand): Handle 'y' modifier.
 588         * config/arm/arm-protos.h (neon_make_constant): Declare.
 589         * config/arm/neon.md (neon_vdup_n<mode>): Split into two
 590         patterns.  Use VX instead of VDQW for the first one.  Allow
 591         a VFP alternative and V32 modes for the second one.
 592         * config/arm/neon.ml (shape_elt): Add Alternatives.
 593         (ops): Use Alternatives for vdup lane instructions.
 594         * config/arm/neon-testgen.ml (analyze_shape): Handle Alternatives.
 595         * config/arm/vec-common.md (mov<mode>): Use neon_make_constant.
 596
 597 2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
 598
 599         * config/arm/neon.md (*neon_mov<mode>): Reject two non-register
 600         operands.
 601         (movti, mov<mode>): Call force_reg on one operand if required.
 602         * config/arm/vec-common.md (mov<mode>): Likewise.
 603
 604 2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
 605
 606         * config/arm/arm.c (arm_override_options): Enable scheduling for
 607         Thumb-2.
 608
 609 2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
 610
 611         PR target/10127
 612         PR ada/20548
 613         * expr.h (anti_adjust_stack_and_probe): Declare.
 614         * explow.c (anti_adjust_stack_and_probe): Make global, add ADJUST_BACK
 615         parameter and rewrite head comment.
 616         (allocate_dynamic_stack_space): Adjust call to above function.
 617         * function.c (expand_function_end): Handle STACK_CHECK_MOVING_SP.
 618
 619         * tree.h (dwarf2out_args_size): Delete.
 620         * dwarf2out.c (dwarf2out_args_size): Make static and move around.
 621         (dwarf2out_args_size_adjust): Delete prototype and move around.
 622         (dwarf2out_frame_debug_expr): Do not record arg size adjustments for
 623         ACCUMULATE_OUTGOING_ARGS targets.
 624
 625 2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
 626
 627         * config/sparc/sparc.c (print_operand) <')'>: Test for a non-null
 628         DECL_SIZE of DECL_RESULT before evaluating it.
 629
 630 2009-11-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 631
 632         PR tree-optimization/41987
 633         * fold-const.c (const_binop): Avoid using fold_buildN().
 634
 635 2009-11-10  Martin Jambor  <mjambor@suse.cz>
 636
 637         * tree-pass.h (struct ipa_opt_pass_d): Added stmt_fixup field.
 638         (execute_all_ipa_stmt_fixups): Declare.
 639         * ipa-cp.c (pass_ipa_cp): Added stmt_fixup value.
 640         * ipa-inline.c (pass_ipa_inline): Likewise.
 641         * ipa-pure-const.c (pass_ipa_pure_cons): Likewise.
 642         * ipa-reference.c (pass_ipa_reference): Likewise.
 643         * ipa.c (pass_ipa_whole_program_visibility): Likewise.
 644         * lto-streamer-out.c (pass_ipa_lto_gimple_out): Likewise.
 645         (pass_ipa_lto_finish_out): Likewise.
 646         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Likewise.
 647         * passes.c (execute_ipa_stmt_fixups): New function.
 648         (execute_all_ipa_stmt_fixups): New function.
 649         * lto-streamer-in.c (input_function): Call execute_all_ipa_stmt_fixups.
 650
 651 2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
 652
 653         PR ada/20548
 654         * explow.c (probe_stack_range): Fix typo.
 655         * config/sparc/sparc.md (probe_stack): New expander.
 656
 657 2009-11-09  Dave Korn  <dave.korn.cygwin@gmail.com>
 658
 659         * config/i386/cygwin.h (LINK_SPEC): Add -tsaware flag if !mno-cygwin.
 660
 661 2009-11-09  Jason Merrill  <jason@redhat.com>
 662
 663         * gdbinit.in (pgq): New function for printing gimple sequence.
 664
 665 2009-11-09  Paul Brook  <paul@codesourcery.com>
 666             Daniel Jacobowitz  <dan@codesourcery.com>
 667             Sandra Loosemore  <sandra@codesourcery.com>
 668
 669         * doc/extend.texi (Half-Precision): Update wording to reflect
 670         that there are now multiple -mfpu options that enable fp16
 671         hardware support.
 672         * doc/invoke.texi: Update list of ARM -mfpu= options.
 673         * config.gcc: Update ARM --with-fpu option list.
 674         * config/arm/arm.c (all_fpus): Add vfpv3-fp16, vfpv3-d16-fp16,
 675         vfpv3xd and vfpv3xd-fp16.
 676         (use_vfp_abi): New function.
 677         (aapcs_vfp_is_call_or_return_candidate): Avoid double precision regs
 678         when undesirable.
 679         (aapcs_vfp_is_return_candidate, aapcs_vfp_is_call_candidate,
 680         aapcs_vfp_allocate_return_reg): Use use_vfp_abi.
 681         (arm_rtx_costs_1, arm_size_rtx_costs, arm_fastmul_rtx_costs,
 682         arm_9e_rtx_costs): Only expect double-precision operations if the FPU
 683         provides them.
 684         (coproc_secondary_reload_class): Reload HFmode via GENERAL_REGS if no
 685         NEON.
 686         (arm_print_operand): Handle 'p' modifier.
 687         (arm_hard_regno_mode_ok): : Allow HFmode in VFP registers if
 688         TARGET_FP16.
 689         * config/arm/arm.h (TARGET_VFP_SINGLE, TARGET_VFP_DOUBLE): Define.
 690         (TARGET_FP16): Define.
 691         * config/arm/vfp.md: Disable double-precision patterns if the FPU
 692         does not provide them.
 693         (arm_movdi_vfp, thumb2_movdi_vfp): Use fcpys to move
 694         double-precision values on a single-precision FPU.
 695         (movdf_vfp, thumb2_movdf_vfp): Likewise.  Use "Dy" for
 696         double-precision constants.
 697         (movhf_vfp_neon): New pattern (was movhf_vfp).
 698         (movhf_vfp): Remove NEON instructions.
 699         * config/arm/constraints.md: Add new "Dy" constraint for
 700         double-precision constants.  Update description of "Dv".
 701         * config/arm/arm.md: Disable double-precision patterns if the FPU
 702         does not provide them
 703
 704 2009-11-09  Jakub Jelinek  <jakub@redhat.com>
 705
 706         * config/i386/i386.c (print_operand) <case 'D'>: Fix formatting.
 707         (print_operand) <case 'Y'>: Likewise.  Fix a pasto in operand lossage
 708         diagnostics.
 709
 710 2009-11-08  H.J. Lu  <hongjiu.lu@intel.com>
 711
 712         * collect2.c (main): Search PLUGIN_LD for plugin linker.
 713
 714         * configure.ac (--with-plugin-ld): New.  Default to ld.
 715         * configure: Regenerated.
 716         * config.in: Likewise.
 717
 718         * exec-tool.in (ORIGINAL_PLUGIN_LD_FOR_TARGET): New.
 719         (collect-ld): Use ORIGINAL_PLUGIN_LD_FOR_TARGET for -plugin.
 720
 721 2009-11-08  Jonathan Gray  <jsg@openbsd.org>
 722
 723         * config/openbsd-stdint.h: Change to reflect what
 724         c_common_nodes_and_builtins expects.
 725
 726 2009-11-08  Paolo Carlini  <paolo.carlini@oracle.com>
 727
 728         * builtins.c (apply_args_reg_offset): Remove commented out delaration.
 729
 730 2009-11-08  Jakub Jelinek  <jakub@redhat.com>
 731
 732         PR target/41985
 733         * config/i386/i386.c (get_some_local_dynamic_name): Don't assert
 734         function contains at least one local dynamic name.
 735         (print_operand) <case '&'>: Instead output operand lossage diagnostics
 736         here if that happens.
 737
 738 2009-11-08  Zbigniew Chamski  <zbigniew.chamski@gmail.com>
 739             Joern Rennecke  <amylaar@spamcop.net>
 740
 741         * cfgrtl.c (pass_free_cfg): Add pass name.
 742         * cgraphbuild.c (pass_build_cgraph_edges): Likewise.
 743         (pass_rebuild_cgraph_edges, pass_remove_cgraph_callee_edges): Likewise.
 744         * dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Change pass name.
 745         * df-core.c (pass_df_initialize_no_opt): Likewise.
 746         * except.c (pass_rtl_eh): Likewise.
 747         * function.c (pass_init_function, pass_leaf_regs): Likewise.
 748         * gcse.c (pass_rtl_pre): Change pass name.
 749         * passes.c (pass_postreload): Add pass name.
 750         (make_pass_instance): Don't use duplicate-tracking logic for
 751         names starting with '*'.
 752         (next_pass_1): Assert that pass has a name.
 753         (register_one_dump_file): If there is an space in the name,
 754         skip past it.
 755         * predict.c (pass_strip_predict_hints): Add pass name.
 756         * reg-stack.c (pass_stack_regs): Likewise.
 757         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
 758         * tree-cfg.c (pass_warn_function_return,
 759         pass_warn_function_noreturn): Add pass name.
 760         * tree-dfa.c (pass_referenced_vars): Likewise.
 761         * tree-optimize.c (pass_cleanup_cfg_post_optimizing):
 762         Fix whitespace before comment.
 763         (pass_fixup_cfg): Add pass name, fix whitespace before comment.
 764         (pass_init_datastructures): Add pass name.
 765         * tree-ssa-loop.c (pass_record_bounds): Likewise.
 766         * tree-ssa.c (pass_early_warn_uninitialized,
 767         pass_late_warn_uninitialized): Likewise.
 768         * tree.c (pass_ipa_free_lang_data): Likewise.
 769         * doc/passes.texi (pass manager): Document how to disambiguate
 770         pass names.
 771
 772 2009-11-08  Paolo Bonzini  <bonzini@gnu.org>
 773
 774         * df-problems.c: Fix documentation for forward simulation of LR.
 775         (df_simulate_one_insn_forwards): Use df_simulate_find_defs.
 776         (df_simulate_finalize_forwards): Remove.
 777         * df.h (df_simulate_finalize_forwards): Remove.
 778
 779 2009-11-08  Richard Guenther  <rguenther@suse.de>
 780
 781         * tree-ssa-structalias.c (build_succ_graph): Properly make
 782         variables escape if they are stored to anything.
 783
 784 2009-11-08  Richard Guenther  <rguenther@suse.de>
 785
 786         PR rtl-optimization/41928
 787         * loop-invariant.c (free_loop_data): If we didn't allocate
 788         loop data do not try to free it.
 789
 790 2009-11-07  Jason Merrill  <jason@redhat.com>
 791
 792         * tree.c (reconstruct_complex_type): Preserve attributes.
 793
 794 2009-11-07  Richard Guenther  <rguenther@suse.de>
 795
 796         * tree-ssa-structalias.c (build_succ_graph): Feed stores
 797         to anything only to variables that can take pointers.
 798         (get_constraint_for_ssa_var): Properly exclude full
 799         variables from expanding.
 800         (first_vi_for_offset): Avoid overflow in arithmetic.
 801         (first_or_preceding_vi_for_offset): Likewise.
 802         (count_num_arguments): Fix implementation.
 803         (gate_ipa_pta): Do not run when not optimizing.
 804
 805 2009-11-07  David Binderman <dcb314@hotmail.com>
 806
 807         * builtins.c (apply_args_size, expand_builtin_mathfn, expand_powi,
 808         expand_builtin_expect, maybe_emit_sprintf_chk_warning): Remove some
 809         set but not used variables.
 810         (apply_args_reg_offset): Comment out as unused.
 811         * calls.c (flags_from_decl_or_type): Likewise.
 812         * genautomata.c (check_regexp_units_distribution): Likewise.
 813
 814 2009-11-07  Uros Bizjak  <ubizjak@gmail.com>
 815
 816         * config/i386/sse.md (xop_pmacsww, xop_pmacssww, xop_pmacsdd,
 817         xop_pmacssdd, xop_pmacssdql, xop_pmacssdqh, xop_pmacsdql,
 818         *xop_pmacsdql_mem, xop_pmacsdqh, *xop_pmacsdqh_mem, xop_pmacsswd,
 819         xop_pmacswd, xop_pmadcsswd, xop_pmadcswd, xop_pcmov_<mode>,
 820         xop_pcmov_<mode>256, xop_pperm, xop_pperm_pack_v2di_v4si,
 821         xop_pperm_pack_v4si_v8hi, xop_pperm_pack_v8hi_v16qi): Compress
 822         operand alternatives.
 823
 824 2009-11-06  Michael Matz  <matz@suse.de>
 825
 826         PR middle-end/41963
 827         * tree-ssa-math-opts.c (execute_cse_reciprocals): Check all uses
 828         of a potential reciprocal to really be reciprocals.
 829
 830 2009-11-06  Jakub Jelinek  <jakub@redhat.com>
 831
 832         * config/i386/x86intrin.h: Include fma4intrin.h, xopintrin.h and
 833         lwpintrin.h after immintrin.h.
 834         * config/i386/fma4intrin.h (__v8sf, __v4df, __m256, __m256d): Remove
 835         typedefs.
 836
 837         PR middle-end/41935
 838         * c-common.c (fold_offsetof_1) <case ARRAY_REF>: Don't crash for VLAs
 839         or non-constant index, allow index one past the last element and
 840         allow exceeding array bound in arrays that might be used as flexible
 841         array members.
 842
 843 2009-11-05  Richard Henderson  <rth@redhat.com>
 844
 845         * config/i386/ia32intrin.h: Protect CRC32 builtins with __SSE4_2__.
 846
 847 2009-11-05  Paul Brook  <paul@codesourcery.com>
 848
 849         * config/arm/arm.c (arm_fp_model, arm_fpu_arch, arm_fpu_tune): Remove.
 850         (arm_fpu_desc): New.
 851         (all_fpus): Add FPU details.
 852         (fp_model_for_fpu): Remove.
 853         (arm_override_options): Set and use arm_fpu_desc and arm_fpu_attr.
 854         (arm_output_epilogue, arm_save_coproc_regs): Use TARGET_FPA_EMU2.
 855         (arm_file_start): Use arm_fpu_desc.
 856         * config/arm/arm.h (TARGET_FPA, TARGET_MAVERICK, TARGET_VFP,
 857         TARGET_VFPD32, TARGET_VFP3, TARGET_NEON_FP16, TARGET_NEON): Use
 858         arm_fpu_desc.
 859         (TARGET_FPA_EMU2): Define.
 860         (arm_fp_model, fputype, arm_fpu_tune): Remove.
 861         (vfp_reg_type, arm_fpu_desc): New.
 862         * config/arm/arm.md (attr fpu): Simplify.
 863         * config/arm/fpa.md (movxf_fpa): Use TARGET_FPA_EMU2.
 864         * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Use string value.
 865         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Use string value.
 866         * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Use string value.
 867         * config/arm/vxworks.h (FPUTYPE_DEFAULT): Use string value.
 868
 869 2009-11-05  Michael Matz  <matz@suse.de>
 870
 871         * config/i386/i386.c (ix86_builtin_reciprocal): Remove dependency
 872         on TARGET_RECIP.
 873         * doc/invoke.texi (-mrecip): Clarify that we don't need -mrecip
 874         for 1/sqrtf.
 875
 876 2009-11-04  Jason Merrill  <jason@redhat.com>
 877
 878         PR c++/36912
 879         * varasm.c (initializer_constant_valid_p): A PLUS_EXPR
 880         or MINUS_EXPR of REAL_TYPE is not a valid constant initializer.
 881         (output_constant): Avoid crash after error.
 882
 883 2009-11-05  Martin Jambor  <mjambor@suse.cz>
 884
 885         * tree-sra.c (struct access): Changed comment of next_sibling field.
 886         (analyze_modified_params): Loop over accesses of a group rather than
 887         over all with the ame base, pass a common bitmap to
 888         walk_aliased_vdefs.
 889         (unmodified_by_ref_scalar_representative): Build link lists of
 890         accesses of a group.
 891         (splice_param_accesses): Likewise.
 892
 893 2009-11-04  Kenneth Zadeck  <zadeck@naturalbridge.com>
 894
 895         * df-scan.c (df-uses-record): Add case zero_extract of mem.
 896
 897 2009-11-04  Eric Botcazou  <ebotcazou@adacore.com>
 898
 899         PR target/10127
 900         PR ada/20548
 901         * config/i386/i386.md (probe_stack): New expander.
 902         (logical operation peepholes): Do not split stack checking probes.
 903
 904 2009-11-04  Harsha Jagasia  <harsha.jagasia@amd.com>
 905             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
 906
 907         * doc/invoke.texi (-mlwp): Add documentation.
 908         * doc/extend.texi (x86 intrinsics): Add LWP intrinsics.
 909         * config.gcc (i[34567]86-*-*): Include lwpintrin.h.
 910         (x86_64-*-*): Ditto.
 911         * config/i386/lwpintrin.h: New file, provide x86 compiler
 912         intrinisics for LWP.
 913         * config/i386/cpuid.h (bit_LWP): Define LWP bit.
 914         * config/i386/x86intrin.h: Add LWP check and lwpintrin.h.
 915         * config/i386/i386-c.c (ix86_target_macros_internal): Check
 916         ISA_FLAG for LWP.
 917         * config/i386/i386.h (TARGET_LWP): New macro for LWP.
 918         * config/i386/i386.opt (-mlwp): New switch for LWP support.
 919         * config/i386/i386.c (OPTION_MASK_ISA_LWP_SET): New.
 920         (OPTION_MASK_ISA_LWP_UNSET): New.
 921         (ix86_handle_option): Handle -mlwp.
 922         (isa_opts): Handle -mlwp.
 923         (enum pta_flags): Add PTA_LWP.
 924         (override_options): Add LWP support.
 925         (IX86_BUILTIN_LLWPCB16): New for LWP intrinsic.
 926         (IX86_BUILTIN_LLWPCB32): Ditto.
 927         (IX86_BUILTIN_LLWPCB64): Ditto.
 928         (IX86_BUILTIN_SLWPCB16): Ditto.
 929         (IX86_BUILTIN_SLWPCB32): Ditto.
 930         (IX86_BUILTIN_SLWPCB64): Ditto.
 931         (IX86_BUILTIN_LWPVAL16): Ditto.
 932         (IX86_BUILTIN_LWPVAL32): Ditto.
 933         (IX86_BUILTIN_LWPVAL64): Ditto.
 934         (IX86_BUILTIN_LWPINS16): Ditto.
 935         (IX86_BUILTIN_LWPINS32): Ditto.
 936         (IX86_BUILTIN_LWPINS64): Ditto.
 937         (enum  ix86_special_builtin_type): Add LWP intrinsic support.
 938         (builtin_description): Ditto.
 939         (ix86_init_mmx_sse_builtins): Ditto.
 940         (ix86_expand_special_args_builtin): Ditto.
 941         * config/i386/i386.md (UNSPEC_LLWP_INTRINSIC): Add new UNSPEC for
 942         LWP support.
 943         (UNSPEC_SLWP_INTRINSIC): Ditto.
 944         (UNSPECV_LWPVAL_INTRINSIC): Ditto.
 945         (UNSPECV_LWPINS_INTRINSIC): Ditto.
 946         (lwp_llwpcbhi1): New lwp pattern.
 947         (lwp_llwpcbsi1): Ditto.
 948         (lwp_llwpcbdi1): Ditto.
 949         (lwp_slwpcbhi1): Ditto.
 950         (lwp_slwpcbsi1): Ditto.
 951         (lwp_slwpcbdi1): Ditto.
 952         (lwp_lwpvalhi3): Ditto.
 953         (lwp_lwpvalsi3): Ditto.
 954         (lwp_lwpvaldi3): Ditto.
 955         (lwp_lwpinshi3): Ditto.
 956         (lwp_lwpinssi3): Ditto.
 957         (lwp_lwpinsdi3): Ditto.
 958
 959 2009-11-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 960             Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
 961
 962         PR rtl-opt/41833
 963         * simplify-rtx.c (simplify_binary_operation_1): Simplify vec_select of
 964         a vec_duplicate.
 965
 966 2009-11-04  Richard Guenther  <rguenther@suse.de>
 967             Rafael Avila de Espindola  <espindola@google.com>
 968
 969         * gcc.c (process_command): Handle arguments name@offset.
 970
 971 2009-11-04  Harsha Jagasia  <harsha.jagasia@amd.com>
 972             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
 973
 974         * config.gcc (i[34567]86-*-*): Include xopintrin.h.
 975         (x86_64-*-*): Ditto.
 976         * config/i386/xopintrin.h: New file, provide common x86 compiler
 977         intrinisics for XOP.
 978         * config/i386/cpuid.h (bit_XOP): Define XOP bit.
 979         * config/i386/x86intrin.h: Add XOP check and xopintrin.h.
 980         * config/i386/i386-c.c(ix86_target_macros_internal): Check
 981         ISA_FLAG for XOP.
 982         * config/i386/i386.h(TARGET_XOP): New macro for XOP.
 983         * config/i386/i386.opt (-mxop): New switch for XOP support.
 984         * config/i386/i386.md (UNSPEC_XOP_UNSIGNED_CMP)
 985         (UNSPEC_XOP_TRUEFALSE)
 986         (UNSPEC_XOP_PERMUTE)
 987         (UNSPEC_FRCZ): Add new UNSPEC for XOP support.
 988         (PPERM_*): New constants for vpperm instruction.
 989         (xop_pcmov_<mode>): Add XOP conditional mov instructions.
 990         * config/i386/i386.c (OPTION_MASK_ISA_XOP_SET): New.
 991         (OPTION_MASK_ISA_XOP_UNSET): New.
 992         (OPTION_MASK_ISA_XOP_UNSET): Change definition to depend on XOP.
 993         (ix86_handle_option): Handle -mxop.
 994         (isa_opts): Handle -mxop.
 995         (enum pta_flags): Add PTA_XOP.
 996         (override_options): Add XOP support.
 997         (print_operand): Add code for XOP compare instructions.
 998         (ix86_expand_sse_movcc): Extend for XOP conditional move instruction.
 999         (ix86_expand_int_vcond): Extend for XOP compare instruction.
1000
1001         (IX86_BUILTIN_VPCMOV): New for XOP intrinsic.
1002         (IX86_BUILTIN_VPCMOV_V2DI): Ditto.
1003         (IX86_BUILTIN_VPCMOV_V4SI): Ditto.
1004         (IX86_BUILTIN_VPCMOV_V8HI): Ditto.
1005         (IX86_BUILTIN_VPCMOV_V16QI): Ditto.
1006         (IX86_BUILTIN_VPCMOV_V4SF): Ditto.
1007         (IX86_BUILTIN_VPCMOV_V2DF): Ditto.
1008
1009         (IX86_BUILTIN_VPCMOV256): Ditto.
1010         (IX86_BUILTIN_VPCMOV_V4DI256): Ditto.
1011         (IX86_BUILTIN_VPCMOV_V8SI256): Ditto.
1012         (IX86_BUILTIN_VPCMOV_V16HI256): Ditto.
1013         (IX86_BUILTIN_VPCMOV_V32QI256): Ditto.
1014         (IX86_BUILTIN_VPCMOV_V8SF256): Ditto.
1015         (IX86_BUILTIN_VPCMOV_V4DF256): Ditto.
1016
1017         (IX86_BUILTIN_VPPERM): Ditto.
1018
1019         (IX86_BUILTIN_VPMACSSWW): Ditto.
1020         (IX86_BUILTIN_VPMACSWW): Ditto.
1021         (IX86_BUILTIN_VPMACSSWD): Ditto.
1022         (IX86_BUILTIN_VPMACSWD): Ditto.
1023         (IX86_BUILTIN_VPMACSSDD): Ditto.
1024         (IX86_BUILTIN_VPMACSDD): Ditto.
1025         (IX86_BUILTIN_VPMACSSDQL): Ditto.
1026         (IX86_BUILTIN_VPMACSSDQH): Ditto.
1027         (IX86_BUILTIN_VPMACSDQL): Ditto.
1028         (IX86_BUILTIN_VPMACSDQH): Ditto.
1029         (IX86_BUILTIN_VPMADCSSWD): Ditto.
1030         (IX86_BUILTIN_VPMADCSWD): Ditto.
1031
1032         (IX86_BUILTIN_VPHADDBW): Ditto.
1033         (IX86_BUILTIN_VPHADDBD): Ditto.
1034         (IX86_BUILTIN_VPHADDBQ): Ditto.
1035         (IX86_BUILTIN_VPHADDWD): Ditto.
1036         (IX86_BUILTIN_VPHADDWQ): Ditto.
1037         (IX86_BUILTIN_VPHADDDQ): Ditto.
1038         (IX86_BUILTIN_VPHADDUBW): Ditto.
1039         (IX86_BUILTIN_VPHADDUBD): Ditto.
1040         (IX86_BUILTIN_VPHADDUBQ): Ditto.
1041         (IX86_BUILTIN_VPHADDUWD): Ditto.
1042         (IX86_BUILTIN_VPHADDUWQ): Ditto.
1043         (IX86_BUILTIN_VPHADDUDQ): Ditto.
1044         (IX86_BUILTIN_VPHSUBBW): Ditto.
1045         (IX86_BUILTIN_VPHSUBWD): Ditto.
1046         (IX86_BUILTIN_VPHSUBDQ): Ditto.
1047
1048         (IX86_BUILTIN_VPROTB): Ditto.
1049         (IX86_BUILTIN_VPROTW): Ditto.
1050         (IX86_BUILTIN_VPROTD): Ditto.
1051         (IX86_BUILTIN_VPROTQ): Ditto.
1052         (IX86_BUILTIN_VPROTB_IMM): Ditto.
1053         (IX86_BUILTIN_VPROTW_IMM): Ditto.
1054         (IX86_BUILTIN_VPROTD_IMM): Ditto.
1055         (IX86_BUILTIN_VPROTQ_IMM): Ditto.
1056
1057         (IX86_BUILTIN_VPSHLB): Ditto.
1058         (IX86_BUILTIN_VPSHLW): Ditto.
1059         (IX86_BUILTIN_VPSHLD): Ditto.
1060         (IX86_BUILTIN_VPSHLQ): Ditto.
1061         (IX86_BUILTIN_VPSHAB): Ditto.
1062         (IX86_BUILTIN_VPSHAW): Ditto.
1063         (IX86_BUILTIN_VPSHAD): Ditto.
1064         (IX86_BUILTIN_VPSHAQ): Ditto.
1065
1066         (IX86_BUILTIN_VFRCZSS): Ditto.
1067         (IX86_BUILTIN_VFRCZSD): Ditto.
1068         (IX86_BUILTIN_VFRCZPS): Ditto.
1069         (IX86_BUILTIN_VFRCZPD): Ditto.
1070         (IX86_BUILTIN_VFRCZPS256): Ditto.
1071         (IX86_BUILTIN_VFRCZPD256): Ditto.
1072
1073         (IX86_BUILTIN_VPCOMEQUB): Ditto.
1074         (IX86_BUILTIN_VPCOMNEUB): Ditto.
1075         (IX86_BUILTIN_VPCOMLTUB): Ditto.
1076         (IX86_BUILTIN_VPCOMLEUB): Ditto.
1077         (IX86_BUILTIN_VPCOMGTUB): Ditto.
1078         (IX86_BUILTIN_VPCOMGEUB): Ditto.
1079         (IX86_BUILTIN_VPCOMFALSEUB): Ditto.
1080         (IX86_BUILTIN_VPCOMTRUEUB): Ditto.
1081
1082         (IX86_BUILTIN_VPCOMEQUW): Ditto.
1083         (IX86_BUILTIN_VPCOMNEUW): Ditto.
1084         (IX86_BUILTIN_VPCOMLTUW): Ditto.
1085         (IX86_BUILTIN_VPCOMLEUW): Ditto.
1086         (IX86_BUILTIN_VPCOMGTUW): Ditto.
1087         (IX86_BUILTIN_VPCOMGEUW): Ditto.
1088         (IX86_BUILTIN_VPCOMFALSEUW): Ditto.
1089         (IX86_BUILTIN_VPCOMTRUEUW): Ditto.
1090
1091         (IX86_BUILTIN_VPCOMEQUD): Ditto.
1092         (IX86_BUILTIN_VPCOMNEUD): Ditto.
1093         (IX86_BUILTIN_VPCOMLTUD): Ditto.
1094         (IX86_BUILTIN_VPCOMLEUD): Ditto.
1095         (IX86_BUILTIN_VPCOMGTUD): Ditto.
1096         (IX86_BUILTIN_VPCOMGEUD): Ditto.
1097         (IX86_BUILTIN_VPCOMFALSEUD): Ditto.
1098         (IX86_BUILTIN_VPCOMTRUEUD): Ditto.
1099
1100         (IX86_BUILTIN_VPCOMEQUQ): Ditto.
1101         (IX86_BUILTIN_VPCOMNEUQ): Ditto.
1102         (IX86_BUILTIN_VPCOMLTUQ): Ditto.
1103         (IX86_BUILTIN_VPCOMLEUQ): Ditto.
1104         (IX86_BUILTIN_VPCOMGTUQ): Ditto.
1105         (IX86_BUILTIN_VPCOMGEUQ): Ditto.
1106         (IX86_BUILTIN_VPCOMFALSEUQ): Ditto.
1107         (IX86_BUILTIN_VPCOMTRUEUQ): Ditto.
1108
1109         (IX86_BUILTIN_VPCOMEQB): Ditto.
1110         (IX86_BUILTIN_VPCOMNEB): Ditto.
1111         (IX86_BUILTIN_VPCOMLTB): Ditto.
1112         (IX86_BUILTIN_VPCOMLEB): Ditto.
1113         (IX86_BUILTIN_VPCOMGTB): Ditto.
1114         (IX86_BUILTIN_VPCOMGEB): Ditto.
1115         (IX86_BUILTIN_VPCOMFALSEB): Ditto.
1116         (IX86_BUILTIN_VPCOMTRUEB): Ditto.
1117
1118         (IX86_BUILTIN_VPCOMEQW): Ditto.
1119         (IX86_BUILTIN_VPCOMNEW): Ditto.
1120         (IX86_BUILTIN_VPCOMLTW): Ditto.
1121         (IX86_BUILTIN_VPCOMLEW): Ditto.
1122         (IX86_BUILTIN_VPCOMGTW): Ditto.
1123         (IX86_BUILTIN_VPCOMGEW): Ditto.
1124         (IX86_BUILTIN_VPCOMFALSEW): Ditto.
1125         (IX86_BUILTIN_VPCOMTRUEW): Ditto.
1126
1127         (IX86_BUILTIN_VPCOMEQD): Ditto.
1128         (IX86_BUILTIN_VPCOMNED): Ditto.
1129         (IX86_BUILTIN_VPCOMLTD): Ditto.
1130         (IX86_BUILTIN_VPCOMLED): Ditto.
1131         (IX86_BUILTIN_VPCOMGTD): Ditto.
1132         (IX86_BUILTIN_VPCOMGED): Ditto.
1133         (IX86_BUILTIN_VPCOMFALSED): Ditto.
1134         (IX86_BUILTIN_VPCOMTRUED): Ditto.
1135
1136         (IX86_BUILTIN_VPCOMEQQ): Ditto.
1137         (IX86_BUILTIN_VPCOMNEQ): Ditto.
1138         (IX86_BUILTIN_VPCOMLTQ): Ditto.
1139         (IX86_BUILTIN_VPCOMLEQ): Ditto.
1140         (IX86_BUILTIN_VPCOMGTQ): Ditto.
1141         (IX86_BUILTIN_VPCOMGEQ): Ditto.
1142         (IX86_BUILTIN_VPCOMFALSEQ): Ditto.
1143         (IX86_BUILTIN_VPCOMTRUEQ): Ditto.
1144
1145         (enum multi_arg_type): New enum for describing the various XOP
1146         intrinsic argument types.
1147         (bdesc_multi_arg): New table for XOP intrinsics.
1148         (ix86_init_mmx_sse_builtins): Add XOP intrinsic support.
1149         (ix86_expand_multi_arg_builtin): New function for creating XOP
1150         intrinsics.
1151
1152         * config/i386/sse.md (sserotatemax): New mode attribute for XOP.
1153         (xop_pmacsww): Ditto.
1154         (xop_pmacssww): Ditto.
1155         (xop_pmacsdd): Ditto.
1156         (xop_pmacssdd): Ditto.
1157         (xop_pmacssdql): Ditto.
1158         (xop_pmacssdqh): Ditto.
1159         (xop_pmacsdql): Ditto.
1160         (xop_pmacsdql_mem): Ditto.
1161         (xop_mulv2div2di3_low): Ditto.
1162         (xop_pmacsdqh): Ditto.
1163         (xop_pmacsdqh_mem): Ditto.
1164         (xop_mulv2div2di3_high): Ditto.
1165         (xop_pmacsswd): Ditto.
1166         (xop_pmacswd): Ditto.
1167         (xop_pmadcsswd): Ditto.
1168         (xop_pmadcswd): Ditto.
1169         (xop_pcmov_<mode>): Ditto.
1170         (xop_pcmov_<mode>256): Ditto.
1171         (xop_phaddbw): Ditto.
1172         (xop_phaddbd): Ditto.
1173         (xop_phaddbq): Ditto.
1174         (xop_phaddwd): Ditto.
1175         (xop_phaddwq): Ditto.
1176         (xop_phadddq): Ditto.
1177         (xop_phaddubw): Ditto.
1178         (xop_phaddubd): Ditto.
1179         (xop_phaddubq): Ditto.
1180         (xop_phadduwd): Ditto.
1181         (xop_phadduwq): Ditto.
1182         (xop_phaddudq): Ditto.
1183         (xop_phsubbw): Ditto.
1184         (xop_phsubwd): Ditto.
1185         (xop_phsubdq): Ditto.
1186         (xop_pperm): Ditto.
1187         (rotl<mode>3): Ditto.
1188         (rotr<mode>3): Ditto.
1189         (xop_rotl<mode>3): Ditto.
1190         (xop_rotr<mode>3): Ditto.
1191         (vrotr<mode>3): Ditto.
1192         (vrotl<mode>3): Ditto.
1193         (xop_vrotl<mode>3): Ditto.
1194         (vlshr<mode>3): Ditto.
1195         (vashr<mode>3): Ditto.
1196         (vashl<mode>3
1197         (xop_ashl<mode>3): Ditto.
1198         (xop_lshl<mode>3): Ditto.
1199         (ashlv16qi3): Ditto.
1200         (lshlv16qi3): Ditto.
1201         (ashrv16qi3): Ditto.
1202         (ashrv2di3): Ditto.
1203         (xop_frcz<mode>2): Ditto.
1204         (xop_vmfrcz<mode>2): Ditto.
1205         (xop_frcz<mode>2256): Ditto.
1206         (xop_maskcmp<mode>3): Ditto.
1207         (xop_maskcmp_uns<mode>3): Ditto.
1208         (xop_maskcmp_uns2<mode>3): Ditto.
1209         (xop_pcom_tf<mode>3): Ditto.
1210
1211         * doc/invoke.texi (-mxop): Add documentation.
1212         * doc/extend.texi (x86 intrinsics): Add XOP intrinsics.
1213
1214 2009-11-03  Mark Mitchell  <mark@codesourcery.com>
1215
1216         PR driver/11810
1217         * gcc.c (SWITCHES_NEED_SPACES): Define to "o".
1218         * config/alpha/osf.h (SWITCHES_NEED_SPACES): Remove here.
1219         * config/mips/iris.h (SWITCHES_NEED_SPACES): Remove here.
1220
1221 2009-11-04  Richard Earnshaw  <rearnsha@arm.com>
1222
1223         PR target/40835
1224         * arm.md (peephole2 patterns for move and compare): New.
1225
1226 2009-11-04  Nick Clifton  <nickc@redhat.com>
1227
1228         * defaults.h (CONSTANT_ADDRESS_P): Provide a default definition.
1229         Make sure that it does not allow CONST_DOUBLEs.
1230         * doc/tm.texi (CONSTANT_ADDRESS_P): Update description.
1231         * config/avr/avr.h (CONSTANT_ADDRESS_P): Delete.
1232         * config/bfin/bfin.h (CONSTANT_ADDRESS_P): Delete.
1233         * config/cris/cris.h (CONSTANT_ADDRESS_P): Delete.
1234         * config/fr30/fr30.h (CONSTANT_ADDRESS_P): Delete.
1235         * config/frv/frv.h (CONSTANT_ADDRESS_P): Delete.
1236         * config/m32c/m32c.h (CONSTANT_ADDRESS_P): Delete.
1237         * config/m68hc11/m68hc11.h (CONSTANT_ADDRESS_P): Delete.
1238         * config/mep/mep.h (CONSTANT_ADDRESS_P): Delete.
1239         * config/mn10300/mn10300.h (CONSTANT_ADDRESS_P): Delete.
1240         * config/moxie/moxie.h (CONSTANT_ADDRESS_P): Delete.
1241         * config/pdp11/pdp11.h (CONSTANT_ADDRESS_P): Delete.
1242         * config/picochip/picochip.h (CONSTANT_ADDRESS_P): Delete.
1243         * config/score/score.h (CONSTANT_ADDRESS_P): Delete.
1244         * config/stormy16/stormy16.h (CONSTANT_ADDRESS_P): Delete.
1245
1246 2009-11-04  Richard Guenther  <rguenther@suse.de>
1247
1248         PR tree-optimization/41919
1249         * tree-vrp.c (test_for_singularity): Properly compare values.
1250
1251 2009-11-04  Revital Eres  <eres@il.ibm.com>
1252
1253         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
1254         Consider peeling for alignment only for stores and remove
1255         redundant assignment.
1256
1257 2009-11-04  Maxim Kuvyrkov  <maxim@codesourcery.com>
1258
1259         PR target/41302
1260         * config/m68k/m68k.c (m68k_reg_present_p): New static function.
1261         (m68k_ok_for_sibcall_p): Handle different result return locations.
1262
1263 2009-11-04  Richard Guenther  <rguenther@suse.de>
1264
1265         * c-opts.c (c_common_post_options): Move LTO option processing
1266         code ...
1267         * opts.c (decode_options): ... here.
1268
1269 2009-11-04  Jakub Jelinek  <jakub@redhat.com>
1270
1271         * c-common.c (fold_offsetof_1): Use %wd instead of
1272         HOST_WIDE_INT_PRINT_DEC.
1273
1274 2009-11-04  Maciej W. Rozycki  <macro@linux-mips.org>
1275
1276         * config/vax/linux.h (TARGET_OS_CPP_BUILTINS): Don't define
1277         __pic__ or __PIC__.
1278
1279 2009-11-04  Maciej W. Rozycki  <macro@linux-mips.org>
1280
1281         * config.gcc (vax-*-linux*): Keep the original contents of
1282         tmake_file while adding vax/t-linux.
1283
1284 2009-11-03  Eric Botcazou  <ebotcazou@adacore.com>
1285
1286         PR target/10127
1287         PR ada/20548
1288         * expr.h (STACK_CHECK_PROBE_INTERVAL): Delete.
1289         (STACK_CHECK_PROBE_INTERVAL_EXP): New macro.
1290         (STACK_CHECK_MOVING_SP): Likewise.
1291         * system.h (STACK_CHECK_PROBE_INTERVAL): Poison it.
1292         * doc/tm.texi (Stack Checking): Delete STACK_CHECK_PROBE_INTERVAL.
1293         Document STACK_CHECK_PROBE_INTERVAL_EXP and STACK_CHECK_MOVING_SP.
1294         * doc/md.texi (Standard Pattern Names): Tweak entry of CHECK_STACK.
1295         Document PROBE_STACK.
1296         * explow.c (anti_adjust_stack_and_probe): New function.
1297         (allocate_dynamic_stack_space): Do not directly allocate space if
1298         STACK_CHECK_MOVING_SP, instead invoke above function.
1299         (emit_stack_probe): Handle probe_stack insn.
1300         (PROBE_INTERVAL): New macro.
1301         (STACK_GROW_OPTAB): Likewise.
1302         (STACK_GROW_OFF): Likewise.
1303         (probe_stack_range): Use Pmode and memory_address consistently.  Fix
1304         loop condition in the small constant case.  Rewrite in the general
1305         case to be immune to wraparounds.  Make sure the address of probes
1306         is valid.  Try to use [base + disp] addressing mode if possible.
1307         * ira.c (setup_eliminable_regset): Set frame_pointer_needed if stack
1308         checking is enabled and STACK_CHECK_MOVING_SP.
1309         * rtlanal.c (may_trap_p_1) <MEM>: If stack checking is enabled,
1310         return 1 for volatile references to the stack pointer.
1311         * tree.c (build_common_builtin_nodes): Do not set ECF_NOTHROW on
1312         __builtin_alloca if stack checking is enabled.
1313         * unwind-dw2.c (uw_identify_context): Take into account whether the
1314         context is that of a signal frame or not.
1315         * config/i386/linux.h (STACK_CHECK_MOVING_SP): Define to 1.
1316         * config/i386/linux64.h (STACK_CHECK_MOVING_SP): Likewise.
1317
1318 2009-11-03  Jakub Jelinek  <jakub@redhat.com>
1319
1320         PR rtl-optimization/41917
1321         * rtlanal.c (num_sign_bit_copies1) <case UMOD>: If sign bit of second
1322         operand isn't known to be 0, return 1.
1323
1324 2009-11-03  Richard Sandiford  <rdsandiford@googlemail.com>
1325
1326         * config/mips/mips.md: Fix typos.
1327
1328 2009-11-03  Richard Sandiford  <rdsandiford@googlemail.com>
1329
1330         * doc/invoke.texi: Fix typo.
1331
1332 2009-11-03  Paul Brook  <paul@codesourcery.com>
1333
1334         * config/arm/neon.ml (vectype): Add T_floatSF.
1335         (string_of_vectype): Ditto.
1336         * config/arm/neon-gen.ml (signed_ctype): Add T_floatSF.
1337         (deftypes): Use float for float32_t.
1338         * config/arm/arm_neon.h: Regenerate.
1339
1340 2009-11-03  Nick Clifton  <nickc@redhat.com>
1341             Kevin Buettner  <kevinb@redhat.com>
1342
1343         * config/rx/predicates.md (rx_store_multiple_vector): Reverse
1344         order of expected registers.
1345         (rx_load_multiple_vector): Likewise.
1346         (rx_rtsd_vector): Likewise.
1347         * config/rx/rx.c (rx_cpu_type): New variable.
1348         (rx_print_operand): Fix bug printing 64-bit constant values.
1349         (rx_emit_stack_pushm): Reverse order of pushed registers.
1350         (gen_rx_store_vector): Likewise.
1351         (is_fast_interrupt_func): Only accept "fast_interrupt" as the
1352         attribute name.
1353         (is_exception_func): Rename to is_interrupt_func and only accept
1354         "interrupt" as the attribute name.
1355         (rx_get_stack_layout): Use new function name.
1356         (rx_func_attr_inlinable): Likewise.
1357         (rx_attribute_table): Remove "exception".
1358         (rx_expand_prologue): If necessary push the accumulator register
1359         in the prologue of interrupt functions.
1360         (rx_expand_epilogue): If necessary pop the accumulator.
1361         (rx_builtins): Add RX_BUILTIN_MVTIPL.
1362         (rx_expand_builtin_stz): Remove.
1363         (rx_expand_builtin_mvtipl): New function.
1364         (rx_init_builtins): Handle RX_BUILTIN_MVTIPL.
1365         (rx_expand_builtin): Likewise.
1366         (rx_enable_fpu): New variable.
1367         (rx_handle_option): Handle -fpu, -nofpu, -mcpu and -patch.
1368         * config/rx/rx.h (TARGET_CPU_CPP_BUILTINS): Assert machine based
1369         on rx_cpu_type.  Define __RX_FPU_INSNS__ if FPU insns are allowed.
1370         (enum rx_cpu_types): Define.
1371         (ASM_SPEC): Pass -m32bit-doubles on to assembler.
1372         (INCOMING_FRAME_SP_OFFSET): Define.
1373         (ARG_POINTER_CFA_OFFSET): Define.
1374         (FRAME_POINTER_CFA_OFFSET): Define.
1375         (OVERRIDE_OPTIONS): Enable fast math if RX FPU insns are enabled.
1376         (ALLOW_RX_FPU_INSNS): Define.
1377         * config/rx/rx.md: Test ALLOW_RX_FPU_INSNS instead of
1378         fast_math_flags_set_p.
1379         (UNSPEC_BUILTIN_MVTIPL): Define.
1380         (revl): Rename to bswapsi2.
1381         (bswaphi2): New pattern.
1382         (mvtachi): Mark as volatile because it uses a register unknown to GCC.
1383         (mvtaclo): Likewise.
1384         (racw): Likewise.
1385         (mvtc): Remove clobber of cc0.
1386         (mvtcp): Delete.
1387         (opecp): Delete.
1388         * config/rx/rx.opt (mieee): Remove.
1389         (fpu): Add.
1390         (nofpu): Add.
1391         (mcpu=): Add.
1392         (patch=): Add.
1393         (msave-acc-in-interrupts): Add.
1394         * config/rx/t-rx (MULTILIB_OPTIONS): Change default to 64bit doubles.
1395         (MULTILIB_DIRS): Likewise.
1396         (MULTILIB_MATCHES): Treat -fpu as an alias for -m32bit-doubles.
1397         * doc/extend.texi: Remove description of "exception" function
1398         attribute.
1399         * doc/invoke.texi: Document -fpu, -nofpu, -mcpu=, -patch= and
1400         -msave-acc-in-interrupts options.
1401
1402 2009-11-03  Richard Guenther  <rguenther@suse.de>
1403
1404         * c-common.c (fold_offsetof_1): Use HOST_WIDE_INT_PRINT_DEC.
1405
1406 2009-11-03  Dodji Seketeli  <dodji@redhat.com>
1407
1408         PR c++/38699
1409         * c-common.c (fold_offsetof_1): Issue errors when the member
1410         designator of the offsetof expression is not legitimate.
1411
1412 2009-11-03  Uros Bizjak  <ubizjak@gmail.com>
1413
1414         * config/i386/i386.md (*call_value_1_rex64_ms_sysv): Use register
1415         names instead of numerical constants.
1416         (sse_prologue_save): Ditto.
1417         (*sse_prologue_save_insn): Ditto.
1418
1419 2009-11-03  Uros Bizjak  <ubizjak@gmail.com>
1420
1421         PR target/41900
1422         * config/i386/i386.h (ix86_arch_indices) <X86_ARCH_CALL_ESP>: New.
1423         (TARGET_CALL_ESP): New define.
1424         * config/i386/i386.c (initial_ix86_tune_features): Initialize
1425         X86_ARCH_CALL_ESP.
1426         * config/i386/i386.md (*call_pop_1_esp, *call_1_esp,
1427         *call_value_pop_1_esp, *call_value_1_esp): Rename from *call_pop_1,
1428         *call_1, *call_value_pop_1 and *call_value_1.  Depend on
1429         TARGET_CALL_ESP.
1430         (*call_pop_1, *call_1, *call_value_pop_1, *call_value_1):
1431         New patterns, use "lsm" as operand 1 constraint.
1432         * config/i386/predicates.md (call_insn_operand): Depend on
1433         index_register_operand for !TARGET_CALL_ESP to avoid %esp register.
1434
1435 2009-11-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1436
1437         PR tree-optimization/41857
1438         * tree-flow.h (rewrite_use_address): Add BASE_HINT argument.
1439         * tree-ssa-loop-ivopts.c (rewrite_use_address): Pass base hint
1440         to create_mem_ref.
1441         * tree-ssa-address.c (move_hint_to_base): New function.
1442         (most_expensive_mult_to_index): Add TYPE argument.  Use mode and
1443         address space associated with TYPE.
1444         (addr_to_parts): Add TYPE and BASE_HINT arguments.  Pass TYPE to
1445         most_expensive_mult_to_index.  Call move_hint_to_base.
1446         (create_mem_ref): Add BASE_HINT argument.  Pass BASE_HINT and
1447         TYPE to addr_to_parts.
1448
1449 2009-11-02  Martin Jambor  <mjambor@suse.cz>
1450
1451         PR tree-optimization/41750
1452         * tree-sra.c (analyze_modified_params): Loop over all
1453         representatives of components of a parameter.
1454
1455 2009-11-02  Jakub Jelinek  <jakub@redhat.com>
1456
1457         PR tree-optimization/41841
1458         * ipa-struct-reorg.c (build_data_structure): Don't attempt to look at
1459         local variables of not yet materialized clones.
1460
1461         PR debug/41893
1462         * cfgexpand.c (expand_debug_expr): Don't attempt to create DECL_RTL
1463         for a VOIDmode variable.
1464
1465         PR c++/41774
1466         * c-pragma.c (visstack): Change into vector of ints rather than
1467         enum symbol_visibility.
1468         (push_visibility): Add kind argument, push default_visibility together
1469         with kind.
1470         (pop_visibility): Add kind argument, return true if successful, fail
1471         if visibility stack is empty or if stack top is of different kind.
1472         (handle_pragma_visibility): Don't check length of visstack, instead
1473         call pop_visibility and issue diagnostics if it failed.  Pass 0
1474         as last argument to push_visibility and pop_visibility.
1475         * c-pragma.h (push_visibility): Add kind argument.
1476         (pop_visibility): Likewise.  Return bool instead of void.
1477
1478 2009-11-01  Eric Botcazou  <ebotcazou@adacore.com>
1479
1480         * tree.def (TARGET_MEM_REF): Update comment.
1481         * alias.c (get_alias_set): Retrieve the original memory reference for
1482         a TARGET_MEM_REF before proceeding.
1483
1484 2009-10-31  Anatoly Sokolov  <aesok@post.ru>
1485
1486         * config/frv/frv.c (frv_function_value, frv_libcall_value,
1487         frv_function_value_regno_p): New functions.
1488         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
1489         * config/frv/frv.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
1490         (FUNCTION_VALUE_REGNO_P): Redefine, use frv_function_value_regno_p.
1491         * config/frv/frv-protos.h (frv_function_value_regno_p): Declare.
1492
1493 2009-10-31  Anatoly Sokolov  <aesok@post.ru>
1494
1495         * config/mn10300/mn10300.c (mn10300_function_value): Make static, add
1496         new 'outgoing' argument.
1497         (mn10300_libcall_value, mn10300_function_value_regno_p): New functions.
1498         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
1499         * config/mn10300/mn10300.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
1500         LIBCALL_VALUE): Remove.
1501         (FUNCTION_VALUE_REGNO_P): Redefine, use mn10300_function_value_regno_p.
1502         * config/mn10300/mn10300-protos.h (mn10300_function_value): Remove.
1503         (mh10300_function_value_regno_p): Declare.
1504
1505 2009-10-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1506
1507         * config/arm/cortex-a9.md: New - integer pipeline description.
1508
1509 2009-10-31  Eric Botcazou  <ebotcazou@adacore.com>
1510
1511         * tree-ssa-sccvn.c (vn_reference_lookup_3): Bail out instead of
1512         aborting if the sizes of the two references don't match.
1513
1514 2009-10-31  Toon Moene  <toon@moene.org>
1515
1516         * ipa-inline.c (cgraph_decide_inlining):
1517         Include reason for not inlining called-once functions in dump file.
1518
1519 2009-10-30  Daniel Gutson  <dgutson@codesourcery.com>
1520
1521         * config/arm/linux-eabi.h (LINK_SPEC): BE8_LINK_SPEC added.
1522         * config/arm/bpapi.h (BE8_LINK_SPEC): New define.
1523         (LINK_SPEC): BE_LINK_SPEC added.
1524
1525 2009-10-30  Richard Guenther  <rguenther@suse.de>
1526
1527         PR lto/41858
1528         * lto-streamer.h (struct lto_file_decl_data): Remove fd member.
1529
1530 2009-10-30  Nathan Sidwell  <nathan@codesourcery.com>
1531
1532         * target-def.h (TARGET_ASM_TTYPE): Correct typo of TARGET_ARM_TTYPE.
1533         * config/arm/unwind-arm.c (__gnu_Unwind_Backtrace): Remove unused
1534         label.
1535
1536 2009-10-30  Martin Jambor  <mjambor@suse.cz>
1537
1538         * tree-sra.c (build_ref_for_offset_1): Remove a comment.
1539
1540 2009-10-30  H.J. Lu  <hongjiu.lu@intel.com>
1541
1542         PR target/40838
1543         * cfgexpand.c (expand_stack_alignment): Call update_stack_boundary
1544         first.  Move assert on stack_alignment_estimated just before
1545         setting stack_realign_needed.
1546         (gimple_expand_cfg): Initialize stack_alignment_estimated to 0.
1547         Don't call update_stack_boundary.
1548
1549         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): New.
1550         (verride_options): Don't check ix86_force_align_arg_pointer here.
1551         (ix86_function_ok_for_sibcall): Use it.
1552         (ix86_update_stack_boundary): Likewise.
1553
1554         * config/i386/i386.h (STACK_REALIGN_DEFAULT): Update comments.
1555
1556 2009-10-30  Richard Earnshaw  <rearnsha@arm.com>
1557
1558         * arm.md (QHSI): New mode iterator.
1559         (movqi): If generating for thumb, then truncate any immediate to
1560         8 bits.
1561         * thumb2.md (thumb2_movsi_shortim and peephole2 generator): Replace
1562         with...
1563         (thumb2_mov<mode>_shortim and peephole2 generator): ... iterator based
1564         version.
1565
1566 2009-10-29  Cary Coutant  <ccoutant@google.com>
1567
1568         PR debug/41700
1569         * dwarf2out.c (dwarf2_debug_hooks): Add entries for new hook (two
1570         locations in the source).
1571         (store_vcall_insn): New function.
1572         (lookup_vcall_insn): New function.
1573         (dwarf2out_virtual_call_token): Use store_vcall_insn.
1574         (dwarf2out_copy_call_info): New function.
1575         (dwarf2out_virtual_call): Use lookup_vcall_insn.
1576         * emit-rtl.c (try_split): Call copy_call_info debug hook.
1577         * debug.h (struct gcc_debug_hooks): Add copy_call_info hook.
1578         * debug.c (do_nothing_debug_hooks): Add dummy entry for new hook.
1579         (debug_nothing_rtx_rtx): New dummy hook.
1580         * dbxout.c (dbx_debug_hooks): Add dummy entry for new hook.
1581         (xcoff_debug_hooks): Likewise.
1582         * sdbout.c (sdb_debug_hooks): Likewise.
1583         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
1584
1585 2009-10-29  David Daney  <ddaney@caviumnetworks.com>
1586
1587         * doc/invoke.texi (mmcount-ra-address): Document new command line
1588         option.
1589         * config/mips/mips.opt (mmcount-ra-address): New option.
1590         * config/mips/mips-protos.h (mips_function_profiler): Declare new
1591         function.
1592         * config/mips/mips.c (struct mips_frame_info): Add ra_fp_offset
1593         member.
1594         (mips_for_each_saved_gpr_and_fpr): Set ra_fp_offset.
1595         (mips_function_profiler): Moved from FUNCTION_PROFILER, and
1596         rewritten.
1597         * config/mips/mips.h (FUNCTION_PROFILER): Body of macro moved to
1598         mips_function_profiler.
1599
1600 2009-10-29  Steve Ellcey  <sje@cup.hp.com>
1601
1602         PR middle-end/37565
1603         PR target/38018
1604         * doc/tm.texi (OVERRIDE_OPTIONS): Update.
1605         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New.
1606         * optc-gen.awk (cl_target_option_restore): Include call to
1607         targetm.override_options_after_change.
1608         * target-def.h (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New.
1609         * target.h (override_options_after_change): New.
1610         * c-common.c (parse_optimize_options): Call
1611         targetm.override_options_after_change.
1612         * config/ia64/ia64.c (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New.
1613         (ia64_override_options_after_change): New.
1614         (ia64_override_options) Add call to above.
1615
1616 2009-10-29  Michael Matz  <matz@suse.de>
1617
1618         * tree-ssa-math-opts.c (execute_convert_to_rsqrt): Remove.
1619         (gate_convert_to_rsqrt): Ditto.
1620         (pass_convert_to_rsqrt): Ditto.
1621         * tree-pass.h (pass_convert_to_rsqrt): Don't declare.
1622         * passes.c (init_optimization_passes): Don't add pass_convert_to_rsqrt
1623         to pass list.
1624
1625         * config/i386/i386.c (ix86_emit_swdivsf): Change evaluation order.
1626
1627 2009-10-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1628
1629         * config/arm/arm.c (find_best_start): Fix type of remainder to be
1630         unsigned.
1631
1632 2009-10-29  Martin Jambor  <mjambor@suse.cz>
1633
1634         PR tree-optimization/41775
1635         * tree-sra.c (build_ref_for_offset): Unshare *expr if not NULL.
1636         (generate_subtree_copies): Do not unshare agg.
1637         (load_assign_lhs_subreplacements): Do not unshare rhs.
1638         (sra_modify_assign): Do not unshare exprs.
1639         (propagate_subacesses_accross_link): Renamed to
1640         propagate_subaccesses_across_link.
1641
1642 2009-10-29  Richard Earnshaw  <rearnsha@arm.com>
1643
1644         * arm.c (count_insns_for_constant): Rework to support counting for
1645         thumb2 immediates as well.
1646         (find_best_start): Split out from arm_gen_constant.
1647         (arm_gen_constant): Rework to support XOR with immediate.
1648
1649 2009-10-29  Chao-ying Fu  <fu@mips.com>
1650
1651         * config/mips/mips.c (mips_emit_unary, mips_force_unary): New
1652         functions.
1653         (mips_expand_synci_loop):  Use the length rtx to control the
1654         synci loop from the begin rtx that points to the first byte of
1655         the cache line.
1656
1657 2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
1658
1659         * doc/invoke.texi: Rename -use-linker-plugin -fuse-linker-plugin.
1660
1661 2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
1662
1663         * dbxout.c (dbxout_common_check): Accept non public trees.
1664         * dwarf2out.c (fortran_common): Accept non public trees.
1665
1666 2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
1667
1668         * common.opt (fuse-linker-plugin): New option.
1669         * gcc.c (LINK_COMMAND_SPEC, main): Rename use-linker-plugin to
1670         fuse-linker-plugin.
1671         * opts.c (common_handle_option): Ignore OPT_fuse_linker_plugin.
1672
1673 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
1674
1675         PR rtl-optimization/39715
1676         * config/arm/arm.md (cstoresi4): Use gen_cstoresi_ltu_thumb1.
1677         (gen_cstoresi_ltu_thumb1): New splitter.
1678
1679 2009-10-28  Richard Guenther  <rguenther@suse.de>
1680
1681         PR lto/41808
1682         PR lto/41839
1683         * tree-ssa.c (useless_type_conversion_p): Do not treat
1684         conversions to pointers to incomplete types as useless.
1685         * gimple.c (gimple_types_compatible_p): Compare struct tags,
1686         not typedef names.
1687
1688 2009-10-28  Jakub Jelinek  <jakub@redhat.com>
1689
1690         * var-tracking.c (emit_note_insn_var_location): Don't call the second
1691         vt_expand_loc unnecessarily when location is not a register nor
1692         memory.
1693
1694         PR middle-end/41837
1695         * ipa-struct-reorg.c (find_field_in_struct_1): Return NULL if
1696         fields don't have DECL_NAME.
1697
1698         PR debug/41801
1699         * builtins.c (get_builtin_sync_mem): Expand loc in ptr_mode,
1700         call convert_memory_address on addr.
1701
1702         PR target/41762
1703         * config/i386/i386.c (ix86_pic_register_p): Don't call
1704         rtx_equal_for_cselib_p for VALUEs discarded as useless.
1705
1706 2009-10-28  Richard Sandiford  <rdsandiford@googlemail.com>
1707
1708         * var-tracking.c (emit_note_insn_var_location): Get the mode of
1709         a variable part from its REG, MEM or VALUE.
1710
1711 2009-10-28  Richard Guenther  <rguenther@suse.de>
1712
1713         * gimple.c (gimple_get_alias_set): Fix comment typo.
1714
1715 2009-10-28  Richard Guenther  <rguenther@suse.de>
1716
1717         * tree.c (free_lang_data_in_type): Do not call get_alias_set.
1718         (free_lang_data): Unconditionally compute alias sets for all
1719         standard integer types.  Bail out if gate bailed out previously.
1720         Do not reset the types_compatible_p langhook.
1721         (gate_free_lang_data): Remove.
1722         (struct pass_ipa_free_lang_data): Enable unconditionally.
1723         * gimple.c (gimple_get_alias_set): Use the same alias-set for
1724         all pointer types.
1725
1726 2009-10-28  Richard Guenther  <rguenther@suse.de>
1727
1728         PR middle-end/41855
1729         * tree-ssa-alias.c (refs_may_alias_p_1): Deal with CONST_DECLs
1730         (ref_maybe_used_by_call_p_1): Fix bcopy handling.
1731         (call_may_clobber_ref_p_1): Likewise.
1732         * tree-ssa-structalias.c (find_func_aliases): Likewise.
1733         * alias.c (nonoverlapping_memrefs_p): Deal with CONST_DECLs.
1734
1735 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
1736
1737         PR rtl-optimization/41812
1738
1739         Revert:
1740         2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
1741
1742         * df-problems.c (df_md_scratch): New.
1743         (df_md_alloc, df_md_free): Allocate/free it.
1744         (df_md_local_compute): Only include live registers in init.
1745         (df_md_transfer_function): Prune the in-set computed by
1746         the confluence function, and the gen-set too.
1747
1748 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
1749
1750         PR rtl-optimization/39715
1751         * combine.c (simplify_comparison): Use extensions to
1752         widen comparisons.  Try an ANDing first.
1753
1754 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
1755
1756         PR rtl-optimization/40741
1757         * config/arm/arm.c (thumb1_rtx_costs): IOR or XOR with
1758         a small constant is cheap.
1759         * config/arm/arm.md (andsi3, iorsi3): Try to place the result of
1760         force_reg on the LHS.
1761         (xorsi3): Likewise, and split the XOR if the constant is complex
1762         and not in Thumb mode.
1763
1764 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
1765
1766         * expmed.c (emit_store_flag): Check costs before
1767         transforming to the opposite representation.
1768
1769 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
1770
1771         * config/sh/sh.md (cbranchfp4_media): Remove hack extending
1772         cstore result to DImode.
1773
1774 2009-10-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1775
1776         * config/sh/sh.md (stuff_delay_slot): Move const_int pattern
1777         inside the unspec vector.
1778
1779 2009-10-27  Richard Henderson  <rth@redhat.com>
1780
1781         * cgraphunit.c (cgraph_optimize): Maintain timevar stack properly.
1782
1783 2009-10-27  Richard Henderson  <rth@redhat.com>
1784
1785         PR c++/41819
1786         * tree-eh.c (eh_region_may_contain_throw_map): Rename from
1787         eh_region_may_contain_throw; update users.
1788         (eh_region_may_contain_throw): New function.
1789         (lower_catch): Check flag_exceptions before creating exception region.
1790         (lower_eh_filter, lower_eh_must_not_throw): Likewise.
1791         (lower_cleanup): Tidy existing flag_exceptions check to match.
1792
1793 2009-10-27  Kai Tietz <kai.tietz@onevision.com>
1794
1795         PR/41799
1796         * config/i386/mingw32.h (CHECK_EXECUTE_STACK_ENABLED): New macro.
1797         * config/i386/mingw.opt: Add fset-stack-executable.
1798         * config/i386/i386.c (ix86_trampoline_init): Make call to
1799         emit_library_call conditional, if CHECK_EXECUTE_STACK_ENABLED is
1800         defined and its value is not zero.
1801         * doc/invoke.texi
1802
1803 2009-10-27  Richard Guenther  <rguenther@suse.de>
1804
1805         * tree-ssa-structalias.c (find_func_aliases): In IPA mode
1806         handle calls to externally visible functions like in regular mode.
1807         (create_variable_info_for): Do not create function infos here.
1808         (have_alias_info): Remove write-only variable.
1809         (solve_constraints): New function split out from common code
1810         in compute_points_to_sets and ipa_pta_execute.
1811         (compute_points_to_sets): Adjust.
1812         (ipa_pta_execute): Likewise.  Handle clones and externally visible
1813         functions like in non-IPA mode.
1814
1815 2009-10-27  Jakub Jelinek  <jakub@redhat.com>
1816
1817         PR c/41842
1818         * c-typeck.c (convert_arguments): Return -1 if any of the arguments is
1819         error_mark_node.
1820
1821 2009-10-27  Richard Guenther  <rguenther@suse.de>
1822
1823         * tree-complex.c (expand_complex_div_wide): Check for
1824         INTEGER_CST, not TREE_CONSTANT on comparison folding result.
1825
1826 2009-10-27  Revital Eres  <eres@il.ibm.com>
1827
1828         PR tree-optimization/40648
1829         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
1830         Change decision of when to peel for alignment.
1831
1832 2009-10-27  Richard Guenther  <rguenther@suse.de>
1833
1834         PR lto/41821
1835         * gimple.c (gimple_types_compatible_p): Handle OFFSET_TYPE.
1836
1837 2009-10-27  Aldy Hernandez  <aldyh@redhat.com>
1838
1839         PR bootstrap/41451
1840         * fold-const.c (fold_binary_loc): Do not call
1841         protected_set_expr_location.
1842
1843 2009-10-27  Wei Guozhi  <carrot@google.com>
1844
1845         PR target/41705
1846         * target.h (have_conditional_execution): Add a new target hook
1847         function.
1848         * target-def.h (TARGET_HAVE_CONDITIONAL_EXECUTION): Likewise.
1849         * targhooks.h (default_have_conditional_execution): Likewise.
1850         * targhooks.c (default_have_conditional_execution): Likewise.
1851         * doc/tm.texi (TARGET_HAVE_CONDITIONAL_EXECUTION): Document it.
1852         * config/arm/arm.c (TARGET_HAVE_CONDITIONAL_EXECUTION): Define it.
1853         (arm_have_conditional_execution): New function.
1854         * ifcvt.c (noce_process_if_block, find_if_header,
1855         cond_exec_find_if_block, dead_or_predicable): Change the usage of
1856         macro HAVE_conditional_execution to a target hook call.
1857         * recog.c (peephole2_optimize): Likewise.
1858         * sched-rgn.c (add_branch_dependences): Likewise.
1859         * final.c (asm_insn_count, final_scan_insn): Likewise.
1860         * bb-reorder.c (HAVE_conditional_execution): Remove it.
1861
1862 2009-10-26  Ben Elliston  <bje@au.ibm.com>
1863             Michael Meissner  <meissner@linux.vnet.ibm.com>
1864             Ulrich Weigand  <uweigand@de.ibm.com>
1865
1866         * config.gcc (spu-*-elf*): Add spu_cache.h to extra_headers.
1867         * config/spu/spu_cache.h: New file.
1868
1869         * config/spu/cachemgr.c: New file.
1870         * config/spu/cache.S: New file.
1871
1872         * config/spu/spu.h (ASM_OUTPUT_SYMBOL_REF): Define.
1873         (ADDR_SPACE_EA): Define.
1874         (TARGET_ADDR_SPACE_KEYWORDS): Define.
1875         * config/spu/spu.c (EAmode): New macro.
1876         (TARGET_ADDR_SPACE_POINTER_MODE): Define.
1877         (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
1878         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Likewise.
1879         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Likewise.
1880         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
1881         (TARGET_ADDR_SPACE_CONVERT): Likewise.
1882         (TARGET_ASM_SELECT_SECTION): Likewise.
1883         (TARGET_ASM_UNIQUE_SECTION): Likewise.
1884         (TARGET_ASM_UNALIGNED_SI_OP): Likewise.
1885         (TARGET_ASM_ALIGNED_DI_OP): Likewise.
1886         (ea_symbol_ref): New function.
1887         (spu_legitimate_constant_p): Handle __ea qualified addresses.
1888         (spu_addr_space_legitimate_address_p): New function.
1889         (spu_addr_space_legitimize_address): Likewise.
1890         (cache_fetch): New global.
1891         (cache_fetch_dirty): Likewise.
1892         (ea_alias_set): Likewise.
1893         (ea_load_store): New function.
1894         (ea_load_store_inline): Likewise.
1895         (expand_ea_mem): Likewise.
1896         (spu_expand_mov): Handle __ea qualified memory references.
1897         (spu_addr_space_pointer_mode): New function.
1898         (spu_addr_space_address_mode): Likewise.
1899         (spu_addr_space_subset_p): Likewise.
1900         (spu_addr_space_convert): Likewise.
1901         (spu_section_type_flags): Handle "._ea" section.
1902         (spu_select_section): New function.
1903         (spu_unique_section): Likewise.
1904         * config/spu/spu-c.c (spu_cpu_cpp_builtins): Support __EA32__
1905         and __EA64__ predefined macros.
1906         * config/spu/spu-elf.h (LIB_SPEC): Handle -mcache-size= and
1907         -matomic-updates switches.
1908
1909         * config/spu/t-spu-elf (MULTILIB_OPTIONS): Define.
1910         (EXTRA_MULTILIB_PARTS): Add libgcc_cachemgr.a,
1911         libgcc_cachemgr_nonatomic.a, libgcc_cache8k.a, libgcc_cache16k.a,
1912         libgcc_cache32k.a, libgcc_cache64k.a, libgcc_cache128k.a.
1913         ($(T)cachemgr.o, $(T)cachemgr_nonatomic.o): New target.
1914         ($(T)cache8k.o, $(T)cache16k.o, $(T)cache32k.o, $(T)cache64k.o,
1915         $(T)cache128k.o): Likewise.
1916         ($(T)libgcc_%.a): Likewise.
1917
1918         * config/spu/spu.h (TARGET_DEFAULT): Add MASK_ADDRESS_SPACE_CONVERSION.
1919         * config/spu/spu.opt (-mea32/-mea64): Add switches.
1920         (-maddress-space-conversion): Likewise.
1921         (-mcache-size=): Likewise.
1922         (-matomic-updates): Likewise.
1923         * doc/invoke.texi (-mea32/-mea64): Document.
1924         (-maddress-space-conversion): Likewise.
1925         (-mcache-size=): Likewise.
1926         (-matomic-updates): Likewise.
1927
1928 2009-10-26  Ben Elliston  <bje@au.ibm.com>
1929             Michael Meissner  <meissner@linux.vnet.ibm.com>
1930             Ulrich Weigand  <uweigand@de.ibm.com>
1931
1932         * doc/tm.texi (TARGET_ADDR_SPACE_KEYWORDS): Document.
1933
1934         * c-common.c (c_common_reswords): If TARGET_ADDR_SPACE_KEYWORDS is
1935         defined, add the named address space keywords.
1936         (c_addr_space_name): New function.
1937         (complete_array_type): Preserve named address space.
1938         (handle_mode_attribute): Use targetm.addr_space.valid_pointer_mode
1939         instead of targetm.valid_pointer_mode.
1940
1941         * c-common.h (enum rid): Add RID_ADDR_SPACE_0 .. RID_ADDR_SPACE_15,
1942         RID_FIRST_ADDR_SPACE and RID_LAST_ADDR_SPACE.
1943         (ADDR_SPACE_KEYWORD): New macro.
1944         (c_addr_space_name): Add prototype.
1945
1946         * c-tree.h (struct c_declspecs): Add address_space member.
1947         (declspecs_add_addrspace): Add prototype.
1948
1949         * c-pretty-print.c (pp_c_type_qualifier_list): Handle address spaces.
1950
1951         * c-parser.c (c_parse_init): Add assertion.
1952         (typedef enum c_id_kind): Add C_ID_ADDRSPACE.
1953         (c_lex_one_token): Handle address space keywords.
1954         (c_token_starts_typename): Likewise.
1955         (c_token_starts_declspecs): Likewise.
1956         (c_parser_declspecs): Likewise.
1957         (c_parser_postfix_expression_after_paren_type): Diagnose compound
1958         literal within function qualified with named address space.
1959
1960         * c-decl.c (diagnose_mismatched_decls): Diagnose conflicting named
1961         address space qualifiers.
1962         (shadow_tag_warned): Warn about useless address space qualifiers.
1963         (quals_from_declspecs): Handle address space qualifiers.
1964         (grokdeclarator): Likewise.
1965         (build_null_declspecs): Likewise.
1966         (declspecs_add_addrspace): New function.
1967
1968         * c-typeck.c (addr_space_superset): New function.
1969         (qualify_type): Handle named address spaces.
1970         (composite_type): Likewise.
1971         (common_pointer_type): Likewise.
1972         (comp_target_types): Likewise.
1973         (build_conditional_expr): Likewise.
1974         (handle_warn_cast_qual): Likewise.
1975         (build_c_cast): Likewise.
1976         (convert_for_assignment): Likewise.
1977         (build_binary_op): Likewise.
1978         (pointer_diff): Handle named address spaces.  Use intermediate
1979         integer type of sufficient size if required.
1980
1981 2009-10-26  Ben Elliston  <bje@au.ibm.com>
1982             Michael Meissner  <meissner@linux.vnet.ibm.com>
1983             Ulrich Weigand  <uweigand@de.ibm.com>
1984
1985         * doc/tm.texi (TARGET_ADDR_SPACE_POINTER_MODE): Document.
1986         (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
1987         (TARGET_ADDR_SPACE_VALID_POINTER_MODE): Likewise.
1988
1989         * target.h (struct target_def): Add pointer_mode, address_mode,
1990         and valid_pointer_mode to addr_space substructure.
1991         * target-def.h (TARGET_ADDR_SPACE_POINTER_MODE): Define.
1992         (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
1993         (TARGET_ADDR_SPACE_VALID_POINTER_MODE): Likewise.
1994         (TARGET_ADDR_SPACE_HOOKS): Add them.
1995         * targhooks.c (target_default_pointer_address_modes_p): New function.
1996         * target.h (target_default_pointer_address_modes_p): Add prototype.
1997         * targhooks.c (default_addr_space_pointer_mode): New function.
1998         (default_addr_space_address_mode): Likewise.
1999         (default_addr_space_valid_pointer_mode): Likewise.
2000         * targhooks.h (default_addr_space_pointer_mode): Add prototype.
2001         (default_addr_space_address_mode): Likewise.
2002         (default_addr_space_valid_pointer_mode): Likewise.
2003         * output.h (default_valid_pointer_mode): Move to ...
2004         * targhooks.h (default_valid_pointer_mode): ... here.
2005         * varasm.c (default_valid_pointer_mode): Move to ...
2006         * targhooks.c (default_valid_pointer_mode): ... here.
2007
2008         * varasm.c (output_constant): Use targetm.addr_space.valid_pointer_mode
2009         instead of targetm.valid_pointer_mode.
2010
2011         * fold-const.c (fit_double_type): Use int_or_pointer_precision.
2012         * tree.c (integer_pow2p): Likewise.
2013         (tree_log2): Likewise.
2014         (tree_floor_log2): Likewise.
2015         (signed_or_unsigned_type_for): Support pointer type of different size.
2016         (int_or_pointer_precision): New function.
2017         * tree.h (int_or_pointer_precision): Add prototype.
2018         * stor-layout.c (layout_type): Set TYPE_PRECISION for offset types.
2019         * varasm.c (initializer_constant_valid_p): Use TYPE_PRECISION of
2020         incoming pointer type instead of POINTER_SIZE.
2021
2022         * tree.c (build_pointer_type): Use appropriate pointer mode
2023         instead of ptr_mode.
2024         (build_reference_type): Likewise.
2025         * expr.c (store_expr): Likewise.
2026         (expand_expr_addr_expr): Likewise.
2027         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Likewise.
2028         * cfgexpand.c (expand_debug_expr): Likewise.
2029
2030         * auto-inc-dec.c: Include "target.h".
2031         (try_merge): Use appropriate address mode instead of Pmode.
2032         (find_inc): Likewise.
2033         * combine.c (find_split_point): Likewise.
2034         * cselib.c (cselib_record_sets): Likewise.
2035         * dse.c (replace_inc_dec): Likewise.
2036         (canon_address): Likewise.
2037         * var-tracking.c (replace_expr_with_values): Likewise.
2038         (count_uses): Likewise.
2039         (add_uses): Likewise.
2040         (add_stores): Likewise.
2041         * emit-rtl.c: Include "target.h".
2042         (adjust_address_1): Use appropriate address mode instead of Pmode.
2043         (offset_address): Likewise.
2044         * explow.c (break_out_memory_refs): Likewise.
2045         (memory_address_addr_space): Likewise.
2046         (promote_mode): Likewise.
2047         * expr.c (move_by_pieces): Likewise.
2048         (emit_block_move_via_loop): Likewise.
2049         (store_by_pieces): Likewise.
2050         (store_by_pieces_1): Likewise.
2051         (expand_assignment): Likewise.
2052         (store_constructor): Likewise.
2053         (expand_expr_addr_expr): Likewise.
2054         (expand_expr_real_1): Likewise.
2055         * cfgexpand.c (expand_debug_expr): Likewise.
2056         * ifcvt.c (noce_try_cmove_arith): Likewise.
2057         * regcprop.c (kill_autoinc_value): Likewise.
2058         * regmove.c (try_auto_increment): Likewise.
2059         * reload.c (find_reloads): Likewise.
2060         (find_reloads_address): Likewise.
2061         (find_reloads_address_1): Likewise.
2062         * sched-deps.c: Include "target.h".
2063         (sched_analyze_1): Use appropriate address mode instead of Pmode.
2064         (sched_analyze_2): Likewise.
2065         * sel-sched-dump.c: Include "target.h".
2066         (debug_mem_addr_value): Use appropriate address mode instead of Pmode.
2067         * stor-layout.c (layout_type): Likewise.
2068         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
2069         (multiplier_allowed_in_address_p): Likewise.
2070         (get_address_cost): Likewise.
2071         * varasm.c (make_decl_rtl): Likewise.
2072
2073         * expr.c (expand_assignment): Always convert offsets to appropriate
2074         address mode.
2075         (store_expr): Likewise.
2076         (store_constructor): Likewise.
2077         (expand_expr_real_1): Likewise.
2078
2079         * reload.h (form_sum): Add MODE argument.
2080         * reload.c (form_sum): Add MODE argument, use it instead of Pmode.
2081         Update recursive calls.
2082         (subst_indexed_address): Update calls to form_sum.
2083
2084         * tree-flow.h (addr_for_mem_ref): Add ADDRSPACE argument.
2085         * tree-ssa-address.c: Include "target.h".
2086         (templates): Replace by ...
2087         (mem_addr_template_list): ... this new vector.
2088         (TEMPL_IDX): Handle address space numbers.
2089         (gen_addr_rtx): Add address mode argument, use it instead of Pmode.
2090         (addr_for_mem_ref): Add ADDRSPACE argument.  Use per-address-space
2091         instead of global cache.  Update call to gen_addr_rtx.
2092         (valid_mem_ref_p): Update call to addr_for_mem_ref.
2093         * expr.c (expand_expr_real_1): Update call to addr_for_mem_ref.
2094
2095         * rtl.h (convert_memory_address_addr_space): Add prototype.
2096         (convert_memory_address): Define as macro.
2097         * explow.c (convert_memory_address): Rename to ...
2098         (convert_memory_address_addr_space): ... this.  Add ADDRSPACE argument.
2099         Use appropriate pointer and address modes instead of ptr_mode / Pmode.
2100         Update recursive calls.
2101         (memory_address_addr_space): Call convert_memory_address_addr_space.
2102         * expmed.c (make_tree): Likewise.
2103         * expr.c (expand_assignment): Likewise.
2104         (expand_expr_addr_expr_1): Likewise.  Also, add ADDRSPACE argument.
2105         (expand_expr_addr_expr): Likewise.  Also, update call.
2106
2107         * alias.c (find_base_value): Guard pointer size optimizations.
2108         (find_base_term): Likewise.
2109         * rtlanal.c (nonzero_bits1): Likewise.
2110         (num_sign_bit_copies1): Likewise.
2111         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
2112
2113         * Makefile.in (tree-ssa-address.o): Add $(TARGET_H) dependency.
2114         (emit-rtl.o): Likewise.
2115         (auto-inc-dec.o): Likewise.
2116         (sched-deps.o): Likewise.
2117
2118 2009-10-26  Ben Elliston  <bje@au.ibm.com>
2119             Michael Meissner  <meissner@linux.vnet.ibm.com>
2120             Ulrich Weigand  <uweigand@de.ibm.com>
2121
2122         * doc/extend.texi (Named Address Spaces): New section.
2123         * coretypes.h (addr_space_t): New type.
2124         (ADDR_SPACE_GENERIC): New define.
2125         (ADDR_SPACE_GENERIC_P): New macro.
2126
2127         * doc/tm.texi (Named Address Spaces): New section.
2128         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Document.
2129         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Document.
2130         (TARGET_ADDR_SPACE_SUBSET_P): Document.
2131         (TARGET_ADDR_SPACE_CONVERT): Document.
2132         * target.h (struct gcc_target): Add addr_space substructure.
2133         * target-def.h (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Define.
2134         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Likewise.
2135         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
2136         (TARGET_ADDR_SPACE_CONVERT): Likewise.
2137         (TARGET_ADDR_SPACE_HOOKS): Likewise.
2138         (TARGET_INITIALIZER): Initialize addr_space hooks.
2139         * targhooks.c (default_addr_space_legitimate_address_p): New function.
2140         (default_addr_space_legitimize_address): Likewise.
2141         (default_addr_space_subset_p): Likewise.
2142         (default_addr_space_convert): Likewise.
2143         * targhooks.h (default_addr_space_legitimate_address_p): Add prototype.
2144         (default_addr_space_legitimize_address): Likewise.
2145         (default_addr_space_subset_p): Likewise.
2146         (default_addr_space_convert): Likewise.
2147
2148         * doc/rtl.texi (MEM_ADDR_SPACE): Document.
2149         * rtl.h (mem_attrs): Add ADDRSPACE memory attribute.
2150         (MEM_ADDR_SPACE): New macro.
2151         * emit-rtl.c (get_mem_attrs): Add ADDRSPACE argument and set
2152         address space memory attribute.
2153         (mem_attrs_htab_hash): Handle address space memory attribute.
2154         (mem_attrs_htab_eq): Likewise.
2155         (set_mem_attributes_minus_bitpos): Likewise.
2156         (set_mem_alias_set): Likewise.
2157         (set_mem_align): Likewise.
2158         (set_mem_expr): Likewise.
2159         (set_mem_offset): Likewise.
2160         (set_mem_size): Likewise.
2161         (adjust_address_1): Likewise.
2162         (offset_address): Likewise.
2163         (widen_memoy_address): Likewise.
2164         (get_spill_slot_decl): Likewise.
2165         (set_mem_attrs_for_spill): Likewise.
2166         (set_mem_addr_space): New function.
2167         * emit-rtl.h (set_mem_addr_space): Add prototype.
2168         * print-rtl.c (print_rtx): Print address space memory attribute.
2169         * expr.c (expand_assignment): Set address space memory attribute
2170         of generated MEM RTXes as appropriate.
2171         (expand_expr_real_1): Likewise.
2172         * cfgexpand.c (expand_debug_expr): Likewise.
2173         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
2174
2175         * tree.h (struct tree_base): Add address_space bitfield.  Reduce
2176         size of "spare" bitfield.
2177         (TYPE_ADDR_SPACE): New macro.
2178         (ENCODE_QUAL_ADDR_SPACE): Likewise.
2179         (DECODE_QUAL_ADDR_SPACE): Likewise.
2180         (CLEAR_QUAL_ADDR_SPACE): Likewise.
2181         (KEEP_QUAL_ADDR_SPACE): Likewise.
2182         (TYPE_QUALS): Encode type address space.
2183         (TYPE_QUALS_NO_ADDR_SPACE): New macro.
2184         * tree.c (set_type_quals): Set type address space.
2185         (build_array_type): Inherit array address space from element type.
2186         * print-tree.c (print_node_brief): Print type address space.
2187         (print_node): Likewise.
2188         * tree-pretty-print.c (dump_generic_node): Likewise.
2189
2190         * explow.c (memory_address): Rename to ...
2191         (memory_address_addr_space): ... this.  Add ADDRSPACE argument.
2192         Use address-space aware variants of memory address routines.
2193         * recog.c (memory_address_p): Rename to ...
2194         (memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
2195         Use address-space aware variants of memory address routines.
2196         (offsettable_address_p): Rename to ...
2197         (offsettable_address_addr_space_p): ... this.  Add ADDRSPACE argument.
2198         Use address-space aware variants of memory address routines.
2199         * reload.c (strict_memory_address_p): Rename to ...
2200         (strict_memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
2201         Use address-space aware variants of memory address routines.
2202         (maybe_memory_address_p): Rename to ...
2203         (maybe_memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
2204         Use address-space aware variants of memory address routines.
2205         * expr.h (memory_address_addr_space): Add prototype.
2206         (memory_address): Define as macro.
2207         * recog.h (memory_address_addr_space_p): Add prototype.
2208         (memory_address_p): Define as macro.
2209         (offsettable_address_addr_space_p): Add prototype.
2210         (offsettable_address_p): Define as macro.
2211         (strict_memory_address_addr_space_p): Add prototype.
2212         (strict_memory_address_p): Define as macro.
2213
2214         * combine.c (find_split_point): Use address-space aware variants
2215         of memory address routines.
2216         * emit-rtl.c (operand_subword): Likewise.
2217         (change_address_1): Likewise.
2218         (adjust_address_1): Likewise.
2219         (offset_address): Likewise.
2220         * expr.c (emit_move_insn): Likewise.
2221         (expand_assignment): Likewise.
2222         (expand_expr_real_1): Likewise.
2223         * recog.c (verify_changes): Likewise.
2224         (general_operand): Likewise.
2225         (offsettable_memref_p): Likewise.
2226         (offsettable_nonstrict_memref_p): Likewise.
2227         (constrain_operands): Likewise.
2228         * reload.c (get_secondary_mem): Likewise.
2229         (find_reloads_toplev): Likewise.
2230         (find_reloads_address): Likewise.
2231         (find_reloads_subreg_address): Likewise.
2232         * reload1.c (reload): Likewise.
2233         * rtlhooks.c (gen_lowpart_if_possible): Likewise.
2234         * rtl.h (address_cost): Add ADDRSPACE argument.
2235         * rtlanal.c (address_cost): Add ADDRSPACE argument.  Use address-space
2236         aware variant of memory address routines.
2237         * loop-invariant.c (create_new_invariant): Update address_cost call.
2238         * tree-ssa-loop-ivopts.c (computation_cost): Likewise.
2239         * fwprop.c (should_replace_address): Add ADDRSPACE argument.
2240         Use address-space aware variant of memory address routines.
2241         (propagate_rtx_1): Update call to should_replace_address.
2242         * tree-flow.h (multiplier_allowed_in_address_p): Add ADDRSPACE
2243         argument.
2244         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Add
2245         ADDRSPACE argument.  Use per-address-space instead of global cache.
2246         Use address-space aware variant of memory address routines.
2247         (get_address_cost): Likewise.
2248         (get_computation_cost_at): Update calls.
2249         * tree-ssa-address.c (valid_mem_ref_p): Add ADDRSPACE argument.
2250         Use address-space aware variant of memory address routines.
2251         (create_mem_ref_raw): Update call to valid_mem_ref_p.
2252         (most_expensive_mult_to_index): Update call to
2253         multiplier_allowed_in_address_p.
2254
2255         * dwarf2out.c (modified_type_die): Output DW_AT_address_class
2256         attribute to indicate named address spaces.
2257
2258         * varasm.c (get_variable_section): DECLs in named address spaces
2259         cannot be "common".
2260
2261         * reload.c (find_reloads_address): Do not use LEGITIMIZE_RELOAD_ADDRESS
2262         for addresses in a non-generic address space.
2263
2264         * expr.c (emit_block_move_hints): Do not use libcalls for
2265         memory in non-generic address spaces.
2266         (clear_storage_hints): Likewise.
2267         (expand_assignment): Likewise.
2268
2269         * fold-const.c (operand_equal_p): Expressions refering to different
2270         address spaces are not equivalent.
2271
2272         * rtl.c (rtx_equal_p_cb): MEMs refering to different address
2273         spaces are not equivalent.
2274         (rtx_equal_p): Likewise.
2275         * cse.c (exp_equiv_p): Likewise.
2276         * jump.c (rtx_renumbered_equal_p): Likewise.
2277         * reload.c (operands_match_p): Likewise.
2278
2279         * alias.c (nonoverlapping_memrefs_p): MEMs refering to different
2280         address spaces may alias.
2281         (true_dependence): Likewise.
2282         (canon_true_dependence): Likewise.
2283         (write_dependence_p): Likewise.
2284
2285         * dse.c (canon_address): Handle named address spaces.
2286         * ifcvt.c (noce_try_cmove_arith): Likewise.
2287
2288         * tree.def (ADDR_SPACE_CONVERT_EXPR): New tree code.
2289         * expr.c (expand_expr_real_2): Expand ADDR_SPACE_CONVERT_EXPR.
2290         * convert.c (convert_to_pointer): Generate ADDR_SPACE_CONVERT_EXPR
2291         to handle conversions between different address spaces.
2292         * fold-const.c (fold_convert_loc): Likewise.
2293         (fold_unary_loc): Handle ADDR_SPACE_CONVERT_EXPR.
2294         * tree-pretty-print.c (dump_generic_node): Likewise.
2295         * gimple-pretty-print.c (dump_unary_rhs): Likewise.
2296         * tree-cfg.c (verify_gimple_assign_unary): Likewise.
2297         * tree-inline.c (estimate_operator_cost): Likewise.
2298         * tree-ssa.c (useless_type_conversion_p): Conversions between pointers
2299         to different address spaces are not useless.
2300
2301 2009-10-26  Jakub Jelinek  <jakub@redhat.com>
2302
2303         PR bootstrap/41345
2304         * cfgcleanup.c (trivially_empty_bb_p): New function.
2305         (try_optimize_bb): Use it instead of checking BB_HEAD == BB_END.
2306
2307         PR debug/41828
2308         * dwarf2out.c (add_pubname, add_pubtype, generic_parameter_die,
2309         add_name_and_src_coords_attributes, gen_namespace_die,
2310         dwarf2out_set_name): Handle dwarf2_name returning NULL.
2311
2312 2009-10-26  Nick Clifton  <nickc@redhat.com>
2313
2314         * config.gcc: Add support for RX target.
2315         * config/rx: New directory.
2316         * config/rx/constraints.md: New file.
2317         * config/rx/predicates.md: New file.
2318         * config/rx/rx.c: New file.
2319         * config/rx/rx.h: New file.
2320         * config/rx/rx.md: New file.
2321         * config/rx/rx.opt: New file.
2322         * config/rx/rx-protos.h: New file.
2323         * config/rx/t-rx: New file.
2324         * doc/extend.texi: Document RX function attributes.
2325         * doc/invoke.texi: Document RX specific command line options.
2326         * doc/contrib.texi: Document RX contribution.
2327         * doc/md.texi: Document RX constraints.
2328         * doc/install.texi: Document RX support.
2329
2330 2009-10-26  Michael Matz  <matz@suse.de>
2331
2332         PR tree-optimization/41783
2333         * tree-ssa-alias.c (get_continuation_for_phi): Export, add a special
2334         case for simple diamonds.
2335         * tree-ssa-alias.h (get_continuation_for_phi): Declare.
2336         * tree-ssa-pre.c (translate_vuse_through_block): Add same_valid
2337         argument, use alias oracle to skip some vdefs.
2338         (phi_translate_1): Change call to above, don't allocate new
2339         value ids if they can stay the same.
2340         (compute_avail): Allow vuse walking when looking up references.
2341
2342 2009-10-26  Richard Guenther  <rguenther@suse.de>
2343
2344         PR tree-optimization/41826
2345         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Avoid
2346         access to re-allocated vector fields.
2347
2348 2009-10-26  Richard Guenther  <rguenther@suse.de>
2349
2350         * graphite-sese-to-poly.c (check_poly_representation): Fix
2351         compile without checking.
2352
2353 2009-10-26  Janus Weil  <janus@gcc.gnu.org>
2354
2355         PR fortran/41714
2356         * gimple.h (tree_annotate_all_with_location): Remove prototype.
2357         * gimplify.c (tree_should_carry_location_p,
2358         tree_annotate_one_with_location,tree_annotate_all_with_location):
2359         Remove obsolete functions.
2360
2361 2009-10-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2362
2363         PR target/41813
2364         * config/sh/sh.md (stuff_delay_slot): Don't set T_REG in pattern.
2365
2366 2009-10-25  Richard Guenther  <rguenther@suse.de>
2367
2368         * lto-streamer-in.c (unpack_ts_decl_common_value_fields):
2369         Stream DECL_RESTRICTED_P.
2370         * lto-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
2371
2372 2009-10-25  Richard Sandiford  <rdsandiford@googlemail.com>
2373
2374         * config/mips/mips.c (mips_restore_gp_from_cprestore_slot): Emit
2375         a note when expanding to nothing.
2376
2377 2009-10-25  Richard Guenther  <rguenther@suse.de>
2378
2379         PR middle-end/41814
2380         * tree.c (find_decls_types_r): Deal with Java overloading
2381         BINFO_VIRTUALS for its own purpose.
2382
2383 2009-10-24  Adam Nemet  <anemet@caviumnetworks.com>
2384
2385         * config/mips/predicates.md (hilo_operand): New predicate.
2386         * config/mips/mips.md (<u>mulsidi3_64bit): Change it to a
2387         define_insn.  Correct !ISA_HAS_EXT_INS length from 24 to 28.  Move
2388         splitter part from here ...:
2389         (<u>mulsidi3_64bit splitter for !ISA_HAS_EXT_INS): ... to here.  Swap
2390         op0 and op4 to match the DINS case.
2391         (<u>mulsidi3_64bit splitter for ISA_HAS_EXT_INS): New splitter.
2392
2393 2009-10-24  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
2394
2395         PR middle-end/19154
2396         * avr.md (QIDI): Add new mode iterator.
2397         (sbrx_branch<mode>): Create new zero extract bit, test and jump
2398         patterns for all QI thru DI modes combinations.
2399         (sbrx_and_branch<mode>): Create new and based bit test and jump
2400         patterns for QI thru SI modes.
2401         avr.c (avr_out_sbxx_branch): Use only bit number.
2402
2403 2009-10-24  Jan Hubicka  <jh@suse.cz>
2404
2405         * ipa-reference.c (check_call): Noreturn notrhow calls do not write
2406         to memory.
2407         (analyze_function): When analyzing noreturn nothrow call, do not
2408         compute written stats; free bitmaps of vars early if possible.
2409         (generate_summary): Only update bitmaps if computed.
2410         (propagate): Only dump bitmaps if computed.
2411         (ipa_reference_read_summary): Fix pasto.
2412
2413 2009-10-24  Eric Botcazou  <ebotcazou@adacore.com>
2414
2415         * tree-ssa-alias.c (nonaliasing_component_refs_p): Rename into...
2416         (aliasing_component_refs_p): ...this.  Return true if there is no
2417         common base and the base access types have the same alias set.
2418         (indirect_ref_may_alias_decl_p): Adjust for above renaming.
2419         (indirect_refs_may_alias_p): Likewise.
2420
2421 2009-10-23  Joseph Myers  <joseph@codesourcery.com>
2422
2423         PR c/40033
2424         * c-typeck.c (c_finish_stmt_expr): Do not wrap error_mark_node in
2425         a C_MAYBE_CONST_EXPR.
2426
2427 2009-10-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2428
2429         PR target/41787
2430         * config/rs6000/rs6000.c (struct machine_function): Add
2431         vsx_or_altivec_used_p to record if vector types are used.
2432         (rs6000_expand_to_rtl_hook): Rename from
2433         rs6000_alloc_sdmode_stack_slot.  If VSX, check to see if there are
2434         any vector operations, so if there are, we can set VRSAVE to
2435         non-zero when only floating point vector registers are used.
2436         (TARGET_EXPAND_TO_RTL_HOOK): Use rs6000_expand_to_rtl_hook.
2437         (rs6000_check_vector_mode): Inner function to check if vector
2438         types are used in the code.
2439         (compute_vrsave_mask): If VSX, make sure VRSAVE is non-zero if
2440         vector instructions are used.
2441
2442         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED):
2443         Indicate that VSX registers which overlap floating point
2444         registers, can't be used across a call, since the ABI only states
2445         the scalar part of the register will be saved and restored.
2446
2447 2009-10-23  Joseph Myers  <joseph@codesourcery.com>
2448
2449         PR c/41673
2450         * alias.c (get_alias_set): Call langhook before returning 0 for
2451         types with structural equality.
2452         * c-common.c (c_common_get_alias_set): Use alias set of element
2453         type for arrays with structural comparison.
2454
2455 2009-10-23  Richard Guenther  <rguenther@suse.de>
2456
2457         PR middle-end/41805
2458         * cfgexpand.c (expand_call_stmt): Use gimple_has_side_effects and
2459         gimple_call_nothrow_p.
2460
2461 2009-10-23  Richard Guenther  <rguenther@suse.de>
2462
2463         PR tree-optimization/41778
2464         * tree-ssa-pre.c (do_regular_insertion): Only insert if a
2465         redundancy along a path in the CFG we want to optimize for speed
2466         is going to be removed.
2467         (execute_pre): Do partial-PRE only if the function is to be
2468         optimized for speed.
2469         (gate_pre): Do not turn off all of PRE when not optimizing a
2470         function for speed.
2471
2472 2009-10-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2473
2474         * builtins.c (fold_builtin_cabs): Use validate_arg().
2475         (fold_builtin_cexp): Fix if-logic.
2476         (fold_builtin_1): Check subtype for BUILT_IN_CIMAG.
2477
2478 2009-10-22  Jeff Law  <law@redhat.com>
2479
2480         * ira-lives.c (process_single_reg_class_operands): Update the
2481         hard reg costs for all the hard registers desired by the
2482         single reg class operand.
2483
2484 2009-10-22  Richard Sandiford  <rdsandiford@googlemail.com>
2485
2486         * simplify-rtx.c (simplify_replace_fn_rtx): Add a fallback case
2487         for rtxes that aren't handled specially.
2488
2489 2009-10-22  Richard Sandiford  <rdsandiford@googlemail.com>
2490
2491         * rtl.h (shallow_copy_rtvec): Declare.
2492         * rtl.c (shallow_copy_rtvec): New function.
2493         * cselib.c (cselib_subst_to_values): Use it.  Only modify an
2494         rtx field if the subrtx has changed.
2495
2496 2009-10-22  Anatoly Sokolov  <aesok@post.ru>
2497
2498         * config/m32c/m32c.c (m32c_function_value_regno_p): New function.
2499         (m32c_function_value): Make static, add new 'outgoing' argument.
2500         (m32c_libcall_value): Make static, add new 'fun' argument.
2501         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
2502         * config/m32c/m32c.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
2503         (FUNCTION_VALUE_REGNO_P): Redefine, use m32c_function_value_regno_p.
2504         * config/m32c/m32c-protos.h (m32c_function_value_regno_p): Declare.
2505         (m32c_function_value, m32c_libcall_value): Delete declaration.
2506
2507 2009-10-22  Diego Novillo  <dnovillo@google.com>
2508
2509         * Makefile.in (PLUGIN_HEADERS): Add output.h and IPA_UTILS_H.
2510
2511 2009-10-22  Razya Ladelsky  <razya@il.ibm.com>
2512
2513         * tree-cfg.c (gimple_duplicate_sese_tail): Fix typos/indentation/white
2514         space.
2515
2516 2009-10-22  Richard Guenther  <rguenther@suse.de>
2517
2518         * lto-streamer.h (lto_symtab_merge_cgraph_nodes): Declare.
2519         * lto-symtab.c (struct lto_symtab_entry_def): Add node member.
2520         (lto_symtab_merge): Do not merge cgraph nodes here.
2521         (lto_symtab_resolve_can_prevail_p): Simplify.
2522         (lto_symtab_resolve_symbols): Store cgraph node.
2523         (lto_symtab_merge_decls_1): Simplify.  Do not drop non-prevailing
2524         functions from the symtab.
2525         (lto_symtab_merge_cgraph_nodes_1): New function.
2526         (lto_symtab_merge_cgraph_nodes): Likewise.
2527
2528 2009-10-22  Richard Guenther  <rguenther@suse.de>
2529
2530         PR lto/41791
2531         * lto-streamer-out.c (lto_output_location): Stream the
2532         system header flag.
2533         * lto-streamer-in.c (lto_input_location): Likewise.
2534
2535 2009-10-22  Razya Ladelsky  <razya@il.ibm.com>
2536
2537         * cfgloopmanip.c (duplicate_subloops): Export.
2538         * tree-parloops.c (loop_parallel_p): Dump if loop is innermost.
2539         (transform_to_exit_first_loop): Duplicate bbs starting from
2540         header up to loop->latch instead of exit->src.
2541         Initialize control variable to the correct number of iterations.
2542         (gather_scalar_reductions): Do not register double reductions.
2543         (parallelize_loops): Dump which loop is tested.
2544         Indicate whether the parallelized loop is inner or not.
2545         Remove the innermost-loop requirement.
2546         * cfgloop.h (duplicate_subloops): Export.
2547         * tree-cfg.c (add_phi_args_after_redirect): New function.
2548         (gimple_duplicate_sese_tail): Remove the no-subloops constraint.
2549         Call duplicate_subloops.
2550         Update number of iterations at the exit condition.
2551         Don't redirect nexits always to the loop exit.
2552         Redirect copied edges from latch to the loop exit.
2553
2554 2009-10-22  Jan Hubicka  <jh@suse.cz>
2555
2556         * ipa-cp.c (ipcp_read_summary): Remove now invalid FIXME and
2557         flag_ltrans check.
2558         * ipa-inline.c (cgraph_mark_inline_edge,
2559         cgraph_decide_inlining_of_small_function,
2560         cgraph_decide_inlining, inline_read_summary): Disable indirect
2561         inlining for WPA for time being.
2562
2563         PR tree-optimize/40556
2564         * ipa-inline.c (cgraph_early_inlining): Fix iterations condition.
2565
2566 2009-10-22  Richard Guenther  <rguenther@suse.de>
2567
2568         * lto-streamer.h (lto_symtab_clear_resolution): Remove.
2569         * lto-symtab.c (lto_symtab_clear_resolution): Likewise.
2570
2571 2009-10-22  Jan Hubicka  <jh@suse.cz>
2572
2573         PR lto/41730
2574         * ipa-reference.c (has_proper_scope_for_analysis): Add fixme about
2575         global vars.
2576         (check_call): Handle only indirect calls.
2577         (propagate_bits): Update comment.
2578         (write_node_summary_p): Turn bogus check to assert.
2579         (ipa_reference_write_summary): Stream calls_read_all properly.
2580         (ipa_reference_read_summary): Stream in calls_read_all properly.
2581         (read_write_all_from_decl): New function.
2582         (propagate): Handle OVERWRITABLE nodes and external calls here.
2583         * ipa-pre-const.c (check_call): In IPA mode handle indirect
2584         calls only.
2585         (analyze_function): Do not check visibility here.
2586         (add_new_function): We summary OVERWRITABLE too.
2587         (generate_summary): Stream OVERWRITABLE nodes too.
2588         (propagate): Handle external calls and OVERWRITABLE nodes here.
2589         (local_pure_const): Check visibility here.
2590
2591 2009-10-22  Jan Hubicka  <jh@suse.cz>
2592
2593         * ipa-cp.c (ipcp_write_summary, ipcp_read_summary): New functions.
2594         (pass_ipa_cp): Register them.
2595         (ipcp_init_stage): Analyze all functions for whopr/lto.
2596         (ipcp_propagate_stage): Skip external calls.
2597         (ipcp_iterate_stage): Call ipa_update_after_lto_read if needed.
2598         * ipa-reference.c (write_node_summary_p): Fix thinko about
2599         availability.
2600         * cgraphunit.c (ipa_passes): When in lto, ne er produce new summaries;
2601         when in ltrans, skip executing of ipa passes since everything
2602         should've been done.
2603         * ipa-inline.c (cgraph_decide_inlining): Remove FIXMEs.
2604         (inline_generate_summary): Likewise.
2605         (inline_read_summary): New function.
2606         (inline_write_summary): New function.
2607         (pass_ipa_inline): Register new hooks.
2608         * ipa-prop.c: Inlcude lto-streamer.h
2609         (ipa_edge_args_vector): Update declaration.
2610         (ipa_count_arguments, ipa_compute_jump_functions,
2611         ipa_free_edge_args_substructures): Move ipa_edge_args_vector into ggc.
2612         (ipa_write_jump_function, ipa_read_jump_function, ipa_write_node_info,
2613         ipa_read_node_info): New static functions.
2614         (ipa_prop_write_jump_functions, ipa_prop_read_jump_functions): Update.
2615         (duplicate_array): Use xmalloc.
2616         (duplicate_ggc_array): New.
2617         (ipa_edge_duplication_hook): Use it.
2618         (ipa_update_after_lto_read): New function.
2619         * ipa-prop.h (ipa_prop_write_jump_functions,
2620         ipa_prop_read_jump_functions): Declare.
2621         (ipa_pass_through_data, ipa_ancestor_jf_data, ipa_member_ptr_cst,
2622         jump_func_value, ipa_member_ptr_cst, ipa_edge_args): Add GTY markers.
2623         (ipa_edge_args_vector): Move into GGC.
2624         (ipa_check_create_edge_args): Update.
2625         (ipa_update_after_lto_read): New.
2626         * passes.c (ipa_write_summaries_1): When in wpa, do not write
2627         summaries.
2628         (ipa_read_summaries): When in ltrans, so not read summaries.
2629         * lto-streamer.c (lto_get_section_name): Add
2630         LTO_section_jump_functions.
2631         * lto-streamer.h (LTO_section_jump_functions): New section.
2632         (produce_asm): Declare.
2633         * lto-cgraph.c (output_cgraph): Output edges in reverse order.
2634         * lto-streamer-out.c (produce_asm): Export.
2635         * lto-streamer-in.c: Include tree-pass.h
2636         (input_function): Free dominance info when done.
2637         (lto_read_body): Push ipa_inline in ltrans stage.
2638         * gengtype.c (open_base_files): Add ipa-prop.h into includes.
2639         * Makefile.in (GTFILES): Add ipa-prop.h
2640
2641 2009-10-22  Matthias Klose  <doko@ubuntu.com>
2642
2643         * doc/install.texi: Document --enable-browser-plugin.
2644
2645 2009-10-21  Vladimir Makarov  <vmakarov@redhat.com>
2646
2647         * doc/invoke.texi (fira-loop-pressure): Update default value.
2648         * opts.c (decode_options): Remove default value setting for
2649         flag_ira_loop_pressure.
2650         * config/ia64/ia64.c (ia64_override_options): Set
2651         flag_ira_loop_pressure up for -O3.
2652         * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
2653
2654 2009-10-21  Sebastian Pop  <sebastian.pop@amd.com>
2655
2656         PR tree-optimization/41497
2657         * tree-scalar-evolution.c (analyze_evolution_in_loop): Return
2658         chrec_dont_know if the evolution function returned by follow_ssa_edge
2659         is constant in the analyzed loop and is not compatible with the
2660         initial value before the loop.
2661         * tree-chrec.h (no_evolution_in_loop_p): Call STRIP_NOPS.
2662
2663 2009-10-21  Joseph Myers  <joseph@codesourcery.com>
2664
2665         * config/sh/sh.c (nonpic_symbol_mentioned_p): Allow UNSPEC_TPOFF.
2666
2667 2009-10-21  Jakub Jelinek  <jakub@redhat.com>
2668
2669         PR other/25507
2670         * doc/invoke.texi: Document -print-multi-os-directory.
2671
2672 2009-10-21  Jack Howarth  <howarth@bromo.med.uc.edu>
2673
2674         PR c++/41313
2675         * gcc/config/darwin10.h: Use default_emit_unwind_label.
2676         * gcc/config/darwin.c: Disable -freorder-blocks-and-partition
2677         when darwin_emit_unwind_label is used.
2678
2679 2009-10-21  Eric Botcazou  <ebotcazou@adacore.com>
2680
2681         * tree-vect-stmts.c (exist_non_indexing_operands_for_use_p): Tweak
2682         order of checks.
2683
2684 2009-10-20  Richard Henderson  <rth@redhat.com>
2685
2686         * tree-eh.c (lower_try_finally_copy): Do lower_eh_constructs_1
2687         before emit_post_landing_pad.
2688
2689 2009-10-20  Adam Nemet  <anemet@caviumnetworks.com>
2690
2691         * config/mips/mips.c (mips_binary_cost): Add new argument speed.
2692         Use when calling rtx_costs.
2693         (mips_rtx_costs): Fix formatting.  Use argument speed rather than the
2694         global optimize_size.  Pass speed to mips_binary_cost.
2695
2696 2009-10-20  Jakub Jelinek  <jakub@redhat.com>
2697
2698         * config/rs6000/rs6000.c (def_builtin): Set TREE_READONLY instead
2699         of TREE_CONSTANT.
2700
2701 2009-10-20  Richard Sandiford  <rdsandiford@googlemail.com>
2702
2703         * rtl.h (simplify_replace_fn_rtx): Declare.
2704         (wrap_constant, unwrap_constant): Delete.
2705         * cfgexpand.c (unwrap_constant, wrap_constant): Delete.
2706         (expand_debug_expr): Don't call wrap_constant.
2707         * combine.c (rtx_subst_pair): Only define for AUTO_INC_DEC.
2708         (auto_adjust_pair): Fold into...
2709         (propagate_for_debug_subst): ...here.  Only define for AUTO_INC_DEC.
2710         Just return a new value.
2711         (propagate_for_debug): Use simplify_replace_fn_rtx for AUTO_INC_DEC,
2712         otherwise use simplify_replace_rtx.
2713         * cselib.c (wrap_constant): Reinstate old definition.
2714         (cselib_expand_value_rtx_1): Don't wrap constants.
2715         * gcse.c (try_replace_reg): Don't use copy_rtx in the call to
2716         simplify_replace_rtx.
2717         (bypass_block): Fix formatting in calls to simplify_replace_rtx.
2718         * reload1.c (reload): Skip all uses for an insn before adjusting it.
2719         Use simplify_replace_rtx.
2720         * simplify-rtx.c (simplify_replace_fn_rtx): New function,
2721         adapted from...
2722         (simplify_replace_rtx): ...here.  Turn into a wrapper for
2723         simplify_replace_fn_rtx.
2724         (simplify_unary_operation): Don't unwrap CONSTs.
2725         * var-tracking.c (check_wrap_constant): Delete.
2726         (vt_expand_loc_callback): Don't call it.
2727         (vt_expand_loc): Likewise.
2728
2729 2009-10-20  Pascal Obry  <obry@adacore.com>
2730             Eric Botcazou  <ebotcazou@adacore.com>
2731
2732         * config/i386/cygming.h (DWARF_FRAME_REGNUM): Add enclosing parens.
2733
2734 2009-10-20  Michael Matz  <matz@suse.de>
2735
2736         * loop-invariant.c (create_new_invariant): Use different magic number.
2737
2738 2009-10-20  Richard Earnshaw  <rearnsha@arm.com>
2739
2740         PR target/39247
2741         * arm.c (arm_override_options): Forcibly disable hot/cold block
2742         partitioning.
2743
2744 2009-10-20  Alexandre Oliva  <aoliva@redhat.com>
2745
2746         PR debug/41739
2747         * haifa-sched.c (try_ready): Skip debug deps updating speculation
2748         status.
2749
2750 2009-10-20  Richard Guenther  <rguenther@suse.de>
2751
2752         * ggc-page.c: Include cfgloop.h.
2753         (struct max_alignment): Drop long double, add void *.
2754         (extra_order_size_table): Add low non-power-of-two multiples
2755         of MAX_ALIGNMENT.  Drop small type-based entries, add
2756         tree_type, cgraph_node and loop.
2757         * alloc-pool.c (struct allocation_object_def): Drop long double
2758         aligning element.
2759
2760 2009-10-20  Jakub Jelinek  <jakub@redhat.com>
2761
2762         PR debug/41340
2763         * loop-invariant.c (calculate_loop_reg_pressure): Don't count regs
2764         referenced just in DEBUG_INSNs.
2765
2766 2009-10-20  Richard Guenther  <rguenther@suse.de>
2767
2768         PR lto/41761
2769         * gimple.c (gimple_register_type): Make sure we register
2770         the types main variant first.
2771
2772 2009-10-20  Richard Guenther  <rguenther@suse.de>
2773
2774         * gimple.c (gimple_types_compatible_p): Simplify.  Move
2775         cheap checks before hashtable queries.  Add checks for
2776         TYPE_NONALIASED_COMPONENT and DECL_NONADDRESSABLE_P.
2777
2778 2009-10-20  Eric Botcazou  <ebotcazou@adacore.com>
2779
2780         * tree-sra.c (build_ref_for_offset_1) <RECORD_TYPE>: Skip fields
2781         without size or with size that can't be represented as a host integer.
2782
2783 2009-10-20  Alexandre Oliva  <aoliva@redhat.com>
2784
2785         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't regard
2786         the removal of a debug stmt as a significant change.
2787
2788 2009-10-20  Wolfgang Gellerich  <gellerich@de.ibm.com>
2789
2790         * config/s390/s390.md: Added agen condition to operand
2791         forwarding bypasses.  Added bypass for early address generation
2792         use of int results.  Updated comments.
2793
2794 2009-10-20  Stefan Dösinger  <stefan@codeweavers.com>
2795
2796         * config/i386/i386.c: Remove signal.h #include.
2797
2798 2009-10-20  Jie Zhang  <jie.zhang@analog.com>
2799
2800         * simplify-rtx.c (simplify_const_unary_operation): Handle SS_ABS.
2801         * doc/rtl.texi: Document ss_abs.
2802
2803 2009-10-19  Jakub Jelinek  <jakub@redhat.com>
2804
2805         * c-common.c (c_parse_error): Handle CPP_UTF8STRING.
2806         * c-lex.c (c_lex_with_flags): Likewise.  Test C_LEX_STRING_NO_JOIN
2807         instead of C_LEX_RAW_STRINGS.
2808         (lex_string): Handle CPP_UTF8STRING.
2809         * c-parser.c (c_parser_postfix_expression): Likewise.
2810         * c-pragma.h (C_LEX_RAW_STRINGS): Rename to ...
2811         (C_LEX_STRING_NO_JOIN): ... this.
2812
2813 2009-10-19  Anatoly Sokolov  <aesok@post.ru>
2814
2815         * config/cris/cris.c (cris_function_value, cris_libcall_value,
2816         cris_function_value_regno_p): New functions.
2817         (cris_promote_function_mode): Update comment.
2818         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
2819         * config/cris/cris.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
2820         (FUNCTION_VALUE_REGNO_P): Redefine, use cris_function_value_regno_p.
2821         * config/cris/cris-protos.h (cris_function_value_regno_p): Declare.
2822
2823 2009-10-19  Jakub Jelinek  <jakub@redhat.com>
2824
2825         * unwind-dw2.c (execute_stack_op): Fix operand order for
2826         DW_OP_le, DW_OP_ge, DW_OP_lt and DW_OP_gt.
2827
2828 2009-10-19  Eric Botcazou  <ebotcazou@adacore.com>
2829
2830         * gimple-low.c (struct lower_data): Add cannot_fallthru field.
2831         (lower_stmt) <GIMPLE_BIND>: Add comment.
2832         <GIMPLE_COND, GIMPLE_GOTO, GIMPLE_SWITCH>: Set cannot_fallthru to true
2833         and return.
2834         <GIMPLE_RETURN>: Remove the statement if cannot_fallthru is set.
2835         Otherwise lower it and set cannot_fallthru to true.
2836         <GIMPLE_TRY>: Update cannot_fallthru for GIMPLE_TRY_FINALLY and return.
2837         <GIMPLE_CATCH, GIMPLE_EH_FILTER>: Set cannot_fallthru to false.
2838         <GIMPLE_CALL>: Set cannot_fallthru to false for BUILT_IN_SETJMP and
2839         to true for a noreturn call.  Do not remove statements.
2840         <GIMPLE_OMP_PARALLEL, GIMPLE_OMP_TASK>: Set cannot_fallthru to false.
2841         Set cannot_fallthru to false on function exit.
2842         (gimple_stmt_may_fallthru) <GIMPLE_SWITCH>: Really return false.
2843         <GIMPLE_ASSIGN>: Remove.
2844
2845 2009-10-19  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2846
2847         * config/s390/s390.c (s390_z10_optimize_cmp): Don't touch FP compares.
2848
2849 2009-10-19  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2850
2851         * config/s390/s390.c (s390_z10_optimize_cmp): Use
2852         next/prev_active_insn to skip DEBUG_INSNs as well.
2853
2854 2009-10-19  Joseph Myers  <joseph@codesourcery.com>
2855
2856         * config/arm/arm.c (output_move_neon): Use DImode in call to
2857         adjust_address.
2858
2859 2009-10-19  Matthias Klose  <doko@ubuntu.com>
2860
2861         PR target/40134
2862         * config.gcc (arm*-*-linux-*eabi): Use config/t-slibgcc-libgcc.
2863
2864 2009-10-19  Jakub Jelinek  <jakub@redhat.com>
2865
2866         * cfgexpand.c (expand_debug_expr): Fail if bitpos < 0 for non-MEM op0.
2867
2868 2009-10-17  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
2869
2870         PR middle-end/41738
2871         * optabs.c (expand_binop): Make mode of shift count expression mode
2872         of shift count not target.
2873         Remove indent nit.
2874
2875 2009-10-17  Eric Botcazou  <ebotcazou@adacore.com>
2876
2877         * tree-nested.c (convert_nonlocal_reference_stmt) <GIMPLE_COND>: New
2878         case.  Force using values to replace references within the statement.
2879         (convert_local_reference_stmt): Likewise.
2880
2881 2009-10-17  Eric Botcazou  <ebotcazou@adacore.com>
2882
2883         * gimple-low.c (lower_stmt) <GIMPLE_CALL>: If the call is noreturn,
2884         remove a subsequent GOTO or RETURN statement.
2885
2886 2009-10-17  Andy Hutchinson  <hutchinsonandy@aim.com>
2887
2888         * config/avr.md (*movqi): Add zero as equally preferable constraint
2889         as general register.
2890         (*movhi): Ditto.
2891
2892 2009-10-17  Eric Botcazou  <ebotcazou@adacore.com>
2893
2894         * print-tree.c (print_node): Fix string for DECL_STRUCT_FUNCTION.
2895
2896 2009-10-17  Richard Guenther  <rguenther@suse.de>
2897
2898         * lto-streamer-in.c (lto_input_location): Try to reuse previous maps.
2899
2900 2009-10-17  Richard Guenther  <rguenther@suse.de>
2901
2902         * lto-streamer-in.c (input_gimple_stmt): Fixup FIELD_DECL
2903         operands in COMPONENT_REFs.
2904
2905 2009-10-17  Anatoly Sokolov  <aesok@post.ru>
2906
2907         * targhooks.c (default_libcall_value): Don't use LIBCALL_VALUE macro
2908         if not defined. Change type of second argument to const_rtx.
2909         (default_function_value): Call gcc_unreachable if FUNCTION_VALUE
2910         macro not defined.
2911         * targhooks.h (default_libcall_value): Update prototype.
2912         * target.h (struct gcc_target): Change type of second argument of
2913         libcall_value to const_rtx.
2914         * config/arm/arm.c (arm_libcall_value): Change type of second argument
2915         to const_rtx.
2916         (arm_libcall_uses_aapcs_base): Change type of argument to const_rtx.
2917         * doc/tm.texi (TARGET_LIBCALL_VALUE):  Revise documentation.
2918
2919 2009-10-17  Jakub Jelinek  <jakub@redhat.com>
2920
2921         PR debug/40521
2922         * debug.h (struct gcc_debug_hooks): Add assembly_start hook.
2923         * cgraphunit.c (cgraph_optimize): Call it.
2924         * dwarf2out.c (dwarf2out_init): Move .cfi_sections printing into...
2925         (dwarf2out_assembly_start): ... here.  New hook.
2926         (dwarf2out_debug_hooks): Add dwarf2out_assembly_start.
2927         * debug.c (do_nothing_debug_hooks): Do nothing for assembly_start
2928         hook.
2929         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
2930         * sdbout.c (sdb_debug_hooks): Likewise.
2931         * vmsdbgout.c (vmsdbg_debug_hooks): Add vmsdbgout_assembly_start.
2932         (vmsdbgout_assembly_start): New hook.
2933
2934 2009-10-17  Alexandre Oliva  <aoliva@redhat.com>
2935
2936         * rtl.h (RTL_LOCATION): Fix typo.
2937
2938 2009-10-17  Alexandre Oliva  <aoliva@redhat.com>
2939
2940         * print-rtl.c (print_rtx): Print locators in asm_operands
2941         and asm_input.
2942
2943 2009-10-17  Alexandre Oliva  <aoliva@redhat.com>
2944
2945         PR debug/41535
2946         * sched-deps.c (depl_on_debug_p): New.
2947         (attach_dep_link): Reject debug deps before nondebug deps.
2948         (add_to_deps_list): Insert debug deps after nondebug deps.
2949         (sd_lists_empty_p): Stop at first nonempty list.  Disregard debug
2950         deps.
2951         (sd_add_dep): Do not reject debug deps.
2952         (add_insn_mem_dependence): Don't count debug deps.
2953         (remove_from_deps): Likewise.
2954         (sched_analyze_2): Set up mem deps on debug insns.
2955         (sched_analyze_insn): Record reg uses for deps on debug insns.
2956         * haifa-sched.c (schedule_insn): Reset deferred debug insn.  Don't
2957         try_ready nondebug insn after debug insn.
2958         * ddg.c (create_ddg_dep_from_intra_loop_link,
2959         create_ddg_dep_no_link): Don't reject debug deps.
2960
2961 2009-10-16  Richard Guenther  <rguenther@suse.de>
2962
2963         * lto-symtab.c (merge_incomplete_and_complete_type): Remove.
2964         (maybe_merge_incomplete_and_complete_type): Likewise.
2965         (lto_symtab_merge): Do not call them.  Do not warn for
2966         complete vs. incomplete compatible types.
2967         (lto_symtab_merge_decls_2): Simplify.
2968         * gimple.c (gimple_force_type_merge): Remove.
2969         (gimple_types_compatible_p): Make it static.
2970         * gimple.h (gimple_force_type_merge): Remove.
2971         (gimple_types_compatible_p): Likewise.
2972
2973 2009-10-16  Jakub Jelinek  <jakub@redhat.com>
2974
2975         * dwarf2out.c (mem_loc_descriptor) <case ZERO_EXTRACT>: Cast
2976         DWARF2_ADDR_SIZE to int to avoid signed vs. unsigned warnings.
2977
2978 2009-10-16  Richard Guenther  <rguenther@suse.de>
2979
2980         PR tree-optimization/41728
2981         * tree-ssa-dom.c (optimize_stmt): Mark the stmt modified
2982         if fold_stmt did anything.
2983
2984 2009-10-16  Richard Guenther  <rguenther@suse.de>
2985
2986         PR lto/41715
2987         * lto-streamer-in.c (lto_input_tree_ref): Revert last change.
2988         (maybe_fixup_handled_component): New function.
2989         (input_gimple_stmt): Fixup mismatched decl replacements.
2990
2991 2009-10-16  Richard Guenther  <rguenther@suse.de>
2992
2993         PR lto/41713
2994         * lto-streamer-out.c (lto_output_tree_ref): Handle DEBUG_EXPR_DECL
2995         the same as VAR_DECL.
2996
2997 2009-10-16  Richard Guenther  <rguenther@suse.de>
2998
2999         * gimple.c (iterative_hash_gimple_type): For integer types
3000         also hash their minimum and maximum values and the string flag.
3001         For array types hash their domain and the string flag.
3002
3003 2009-10-16  Richard Guenther  <rguenther@suse.de>
3004
3005         * gimple.c (gimple_types_compatible_p): Restrict completing
3006         types to record or unions.  Simplify completion.
3007         Do not merge records or unions with different
3008         TYPE_STRUCTURAL_EQUALITY_P tag.
3009         (iterative_hash_gimple_type): Restrict non-recursing into
3010         pointer targets for records and unions.
3011
3012 2009-10-15  Jakub Jelinek  <jakub@redhat.com>
3013
3014         PR debug/41717
3015         * cfgexpand.c (expand_debug_expr): Handle CONJ_EXPR.
3016         * dwarf2out.c (mem_loc_descriptor): Don't handle
3017         POST_INT/POST_DEC/POST_MODIFY like SUBREG.  For SUBREG
3018         punt if it is not lowpart subreg or if inner mode isn't
3019         MODE_INT.
3020
3021 2009-10-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3022
3023         * config/s390/s390.c (s390_z10_optimize_cmp): Skip notes when
3024         investigating previous or next insns.
3025
3026 2009-10-16  Eric Botcazou  <ebotcazou@adacore.com>
3027
3028         * tree-sra.c (build_ref_for_offset_1): Update comment.
3029
3030 2009-10-16  Wolfgang Gellerich  <gellerich@de.ibm.com>
3031
3032         * config/s390/s390.md (atype): Added missing values.
3033
3034 2009-10-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3035
3036         PR target/41702
3037         * pa.md (casesi): Use sign extended index in call to gen_casesi64p.
3038         (casesi64p): Update pattern to reflect above.
3039
3040 2009-10-15  Steve Ellcey  <sje@cup.hp.com>
3041
3042         PR rtl-optimization/41697
3043         * sel-sched-ir.h (_eligible_successor_edge_p): Check successor count.
3044
3045 2009-10-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
3046
3047         PR target/23983
3048         * config/rs6000/predicates.md: Update copyright year.
3049         * config/rs6000/altivec.md: Ditto.
3050
3051         * config/rs6000/t-rs6000 (TM_H): Add rs6000-builtin.def.
3052         (MD_INCLUDES): Add a2.md.
3053
3054         * config/rs6000/rs6000.c (rs6000_builtin_decls): Change
3055         RS6000_BUILTIN_COUNT to MAX_RS6000_BUILTINS.
3056         (builtin_classify): New static vector to classify various builtins
3057         to get the tree attributes correct.
3058         (def_builtin): Set the attributes of builtins based on what the
3059         builtin does (i.e. memory operation, floating point, saturation
3060         need special attributes, others are pure functions).
3061
3062         * config/rs6000/rs6000.h (enum rs6000_btc): New enum to classify
3063         the builtins.
3064         (enum rs6000_builtins): Include rs6000-builtin.def to define the
3065         builtins.  Change the end marker to MAX_RS6000_BUILTINS from
3066         RS6000_BUILTIN_COUNT.
3067         (rs6000_builtin_decls): Change RS6000_BUILTIN_COUNT to
3068         MAX_RS6000_BUILTINS.
3069
3070         * config/rs6000/rs6000-builtin.def: New file that combines the
3071         builtin enumeration name and attributes.
3072
3073 2009-10-15  H.J. Lu  <hongjiu.lu@intel.com>
3074
3075         * config/i386/linux.h (ASM_SPEC): Add --32.
3076
3077 2009-10-15  Jakub Jelinek  <jakub@redhat.com>
3078
3079         * dwarf2out.c (dwarf_tag_name): Handle DW_TAG_rvalue_reference_type
3080         and DW_TAG_template_alias.
3081         (dwarf_attr_name): Handle DW_AT_main_subprogram,
3082         DW_AT_data_bit_offset, DW_AT_const_expr, DW_AT_enum_class,
3083         DW_AT_linkage_name, DW_AT_GNU_guarded_by, DW_AT_GNU_pt_guarded_by,
3084         DW_AT_GNU_guarded, DW_AT_GNU_pt_guarded, DW_AT_GNU_locks_excluded,
3085         DW_AT_GNU_exclusive_locks_required, DW_AT_GNU_shared_locks_required
3086         and DW_AT_GNU_odr_signature.
3087         (dwarf_form_name): Handle DW_FORM_sec_offset, DW_FORM_exprloc,
3088         DW_FORM_flag_present and DW_FORM_ref_sig8.
3089         (output_signature): Only print name on the first byte.
3090         (output_die): Likewise for dw_val_class_data8.
3091
3092 2009-10-15  Alexander Monakov  <amonakov@ispras.ru>
3093
3094         * doc/invoke.texi: Clarify that most optimizations are not enabled
3095         without -O.
3096
3097 2009-10-15  Richard Guenther  <rguenther@suse.de>
3098
3099         PR lto/41668
3100         * gimple.c (compare_type_names_p): Handle anonymous names
3101         differently based on new mode argument.
3102         (gimple_types_compatible_p): For structs also compare the tags.
3103         (iterative_hash_type_name): Rename to ...
3104         (iterative_hash_name): ... this.  Hash all names.
3105         (iterative_hash_gimple_type): Fix hashing the struct tag of
3106         pointer targets.  Hash field decl names.
3107
3108 2009-10-15  Richard Guenther  <rguenther@suse.de>
3109
3110         PR lto/41669
3111         * gimple.c (gimple_get_alias_set): Avoid recursing on
3112         invalid type topology.
3113
3114 2009-10-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3115
3116         * config/spu/spu.c (get_branch_target): Use extract_asm_operands.
3117
3118 2009-10-15  Richard Guenther  <rguenther@suse.de>
3119
3120         * tree.c (free_lang_data_in_decl): Free DECL_FCONTEXT.
3121
3122 2009-10-15  Jakub Jelinek  <jakub@redhat.com>
3123
3124         * config/rs6000/option-defaults.h (OPTION_DEFAULT_SPECS): Don't
3125         add --with-tune{,-32,-64} configured default for -mtune if explicit
3126         -mcpu is used.
3127
3128 2009-10-14  Daniel Gutson  <dgutson@codesourcery.com>
3129
3130         * config/arm/neon.md (neon_vshll_n<mode>): Checking Bounds fixed.
3131
3132 2009-10-14  DJ Delorie  <dj@redhat.com>
3133
3134         * config/h8300/h8300.c (F): New.
3135         (Fpa): New.
3136         (h8300_emit_stack_adjustment): Call them.
3137         (push): Likewise.
3138         (h8300_push_pop): Likewise.
3139         (h8300_expand_prologue): Likewise.
3140         * config/h8300/h8300.h (DWARF2_DEBUGGING_INFO): Define.
3141         (MUST_USE_SJLJ_EXCEPTIONS): Define.
3142         (INCOMING_RETURN_ADDR_RTX): Define.
3143         (INCOMING_FRAME_SP_OFFSET): Define.
3144         (DWARF_CIE_DATA_ALIGNMENT): Define.
3145
3146 2009-10-14  Jakub Jelinek  <jakub@redhat.com>
3147
3148         * stor-layout.c (place_field): Don't emit -Wpadded warnings for
3149         fields in builtin structs.
3150         (finalize_record_size): Likewise.
3151
3152 2009-10-14  Richard Guenther  <rguenther@suse.de>
3153
3154         * gimple.c (gtc_ob): New global.
3155         (struct type_pair_d): Replace pointers with type UIDs.
3156         (type_pair_hash): Adjust.
3157         (type_pair_eq): Likewise.
3158         (lookup_type_pair): Likewise.  Allocate from an obstack.
3159         (gimple_force_type_merge): Adjust.
3160         (gimple_types_compatible_p): Likewise.
3161         (free_gimple_type_tables): Free the obstack.
3162
3163 2009-10-14  Jakub Jelinek  <jakub@redhat.com>
3164
3165         * tree-parloops.c (separate_decls_in_region_debug_bind): Drop debug
3166         stmts setting DEBUG_EXPR_DECLs.
3167
3168         * cfgexpand.c (expand_debug_expr): Ignore zero-length bitfields.
3169         Don't crash if mode1 is VOIDmode.
3170
3171 2009-09-26  Vladimir Makarov  <vmakarov@redhat.com>
3172
3173         * params.def (PARAM_IRA_LOOP_RESERVED_REGS): New.
3174         * params.h (IRA_LOOP_RESERVED_REGS): New.
3175         * tree-pass.h (pass_subregs_of_mode_init,
3176         pass_subregs_of_mode_finish): Remove.
3177         * passes.c (pass_subregs_of_mode_init,
3178         pass_subregs_of_mode_finish): Remove.
3179         (pass_reginfo_init): Move before loop optimizations.
3180         * config/i386/i386.h (STACK_REG_COVER_CLASS): Define.
3181         * common.opt (fira-loop-pressure): New.
3182         * toplev.h (flag_ira_loop_pressure): New.
3183         * rtl.h (init_subregs_of_mode, finish_subregs_of_mode): New externals.
3184         * reginfo.c (init_subregs_of_mode, finish_subregs_of_mode):
3185         Make external and void type functions.
3186         (gate_subregs_of_mode_init, pass_subregs_of_mode_init,
3187         pass_subregs_of_mode_finish): Remove.
3188         * ira-costs.c (init_costs): Call init_subregs_of_mode.
3189         * regmove.c: Include ira.h.
3190         (regmove_optimize): Call ira_set_pseudo_classes after IRA based
3191         register pressure calculation in loops.
3192         * loop-invariant.c: Include REGS_H and ira.h.
3193         (struct loop_data): New members max_reg_pressure, regs_ref, and
3194         regs_live.
3195         (struct invariant): New member orig_regno.
3196         (curr_loop): New variable.
3197         (find_exits): Initialize regs_ref and regs_live.
3198         (create_new_invariant): Initialize orig_regno.
3199         (get_cover_class_and_nregs): New.
3200         (get_inv_cost): Make aregs_needed an array.  Use regs_needed as an
3201         array.  Add code for flag_ira_loop_pressure.
3202         (gain_for_invariant): Make new_regs an array.  Add code for
3203         flag_ira_loop_pressure.
3204         (best_gain_for_invariant): Ditto.
3205         (set_move_mark): New parameter gain.  Use it for debugging output.
3206         (find_invariants_to_move): Make regs_needed and new_regs an array.
3207         Add code for flag_ira_loop_pressure.
3208         (move_invariant_reg): Set up orig_regno.
3209         (move_invariants): Set up reg classes for pseudos for
3210         flag_ira_loop_pressure.
3211         (free_loop_data): Clear regs_ref and regs_live.
3212         (curr_regs_live, curr_reg_pressure, regs_set, n_regs_set,
3213         get_regno_cover_class, change_pressure, mark_regno_live,
3214         mark_regno_death, mark_reg_store, mark_reg_clobber,
3215         mark_reg_death, mark_ref_regs, calculate_loop_reg_pressure): New.
3216         (move_loop_invariants): Calculate pressure.  Initialize curr_loop.
3217         * ira.c (ira): Call ira_set_pseudo_classes after IRA based
3218         register pressure calculation in loops if new regs were added.
3219         Call finish_subregs_of_mode.
3220         * opts.c (decode_options): Set up flag_ira_loop_pressure.
3221         * Makefile.in (loop-invariant.o): Add ira.h.
3222         (regmove.o): Ditto.
3223         * doc/invoke.texi (-fira-loop-pressure, ira-loop-reserved-regs):
3224         Describe.
3225         * doc/tm.texi (STACK_REG_COVER_CLASS): Describe.
3226
3227 2009-10-14  Richard Guenther  <rguenther@suse.de>
3228
3229         * lto-symtab.c (lto_symtab_compatible): Fold in ...
3230         (lto_symtab_merge): ... here.  Rewrite both to take the
3231         prevailing and a to-be-merged entry and to queue diagnostics properly.
3232         (lto_symtab_resolve_replaceable_p): New predicate for
3233         symbol resolution.
3234         (lto_symtab_resolve_can_prevail_p): Likewise.
3235         (lto_symtab_resolve_symbols): Rewrite.  Fold in code that
3236         handles merging commons by choosing the largest decl.  Fold
3237         in code that gives ODR errors.
3238         (lto_symtab_merge_decls_2): Simplify a lot.  Emit queued
3239         diagnostics here.
3240         (lto_symtab_merge_decls_1): Re-structure.  Deal with the
3241         case of no prevailing decl here.  Diagnose mismatches
3242         in object types here.  Drop all but the prevailing decls.
3243         (lto_symtab_prevailing_decl): Return the single prevailing decl.
3244         * lto-streamer-in.c (lto_input_tree_ref): Deal with
3245         VIEW_CONVERT_EXPRs in decl slots.  Unshare the tree in this case.
3246
3247 2009-10-14  Richard Guenther  <rguenther@suse.de>
3248
3249         PR lto/41521
3250         * lto-streamer-in.c (input_bb): Replace debug stmts with
3251         nops instead of dropping them.
3252
3253 2009-10-14  Nick Clifton  <nickc@redhat.com>
3254
3255         * gcc/doc/extended.texi: Replace the dash character with @minus{}
3256         in situations where it is being used as a minus symbol.
3257         * gcc/doc/tm.texi: Likewise.
3258         * gcc/doc/md.texi: Likewise.
3259
3260 2009-10-14  Jakub Jelinek  <jakub@redhat.com>
3261
3262         PR preprocessor/41543
3263         * input.h (BUILTINS_LOCATION): Change to 1 from 2.
3264         Assert BUILTINS_LOCATION < RESERVED_LOCATION_COUNT.
3265         * tree.c: Include intl.h.
3266         (expand_location): Handle BUILTINS_LOCATION.
3267         * Makefile.in (tree.o): Depend on intl.h.
3268
3269         PR debug/41695
3270         * dwarf2out.c (dwarf2out_var_location): Always clear
3271         last_postcall_label when changing last_label.
3272
3273 2009-10-14  Pascal Obry  <obry@adacore.com>
3274
3275         * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Add -E.
3276         (process_command): Handle -E as done with -c and -S.  Do not add
3277         the target executable suffix to the output file when -E is used.
3278         (main): Adjust error message accordingly.
3279
3280 2009-10-14  Alexandre Oliva  <aoliva@redhat.com>
3281
3282         PR debug/41343
3283         PR debug/41447
3284         PR debug/41264
3285         PR debug/41338
3286         * tree.c (tree_node_structure_for_code): DEBUG_EXPR_DECL uses
3287         decl with rtl.
3288         (tree_code_size): Likewise.
3289
3290 2009-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3291
3292         * builtins.c (fold_builtin_1): Support complex "arc" functions.
3293         * real.h (HAVE_mpc_arc): Define.
3294
3295 2009-10-14  Kaz Kojima  <kkojima@gcc.gnu.org>
3296
3297         * config/sh/sh.c (TARGET_BUILTIN_DECL): Define.
3298         (struct builtin_description): Add fndecl field.
3299         (bdesc): Remove const qualifier.  Update initializer.
3300         (sh_media_init_builtins): Remove const qualifier for d.  Record
3301         the result of add_builtin_function to the fndecl field.
3302         (sh_builtin_decl): New.
3303         (sh_media_builtin_decl): New.
3304
3305 2009-10-14  Hans-Peter Nilsson  <hp@axis.com>
3306
3307         PR target/38948
3308         * config/cris/cris.h (SECONDARY_RELOAD_CLASS): Handle reload
3309         requests between special registers.
3310
3311 2009-10-13  Eric Botcazou  <ebotcazou@adacore.com>
3312
3313         * dwarf2out.c (mem_loc_descriptor): Accept UNGT as well.
3314
3315 2009-10-13  Richard Henderson  <rth@redhat.com>
3316
3317         PR tree-optimization/41377
3318         * tree-eh.c (unsplit_eh): Propagate degenerate PHIs.
3319         (cleanup_empty_eh_merge_phis): New change_region parameter;
3320         pass it on to redirect_eh_edge_1.  Update callers.
3321         (cleanup_empty_eh_unsplit): Don't require an existing EH label
3322         at the destination block.
3323
3324 2009-10-13  Basile Starynkevitch  <basile@starynkevitch.net>
3325
3326         * passes.c (register_pass): Replaced gcc_unreachable by
3327         fatal_error on failure. Mentions plugins in comments & messages.
3328
3329 2009-10-13  Jakub Jelinek  <jakub@redhat.com>
3330
3331         PR target/41693
3332         * rtl.h (DEBUG_EXPR_TREE_DECL): Define.
3333         * sched-vis.c (print_value): Use it.
3334         * cselib.c (cselib_hash_rtx): Likewise.
3335         * print-rtl.c (print_rtx): Likewise.
3336         * cfgexpand.c (expand_debug_rtx): Likewise.
3337         * var-tracking.c (vt_expand_loc_callback): Likewise.
3338
3339 2009-10-13  Richard Guenther  <rguenther@suse.de>
3340
3341         PR lto/41565
3342         * opts.c (handle_option): Split out code to handle setting
3343         the options flag var ...
3344         (set_option): ... here.
3345         * opts.h (set_option): Declare.
3346         * lto-opts.c (register_user_option_p): Include -fexceptions
3347         and all position independent code variants.
3348         (handle_common_option): Remove.
3349         (lto_reissue_options): Use set_option.
3350
3351 2009-10-13  Martin Jambor  <mjambor@suse.cz>
3352
3353         PR tree-optimization/41661
3354         * ipa-prop.c (compute_complex_pass_through): Allow only operations
3355         that are tcc_comparisons or do not change the type in any
3356         un-usleless way.
3357         * ipa-cp.c (ipcp_lattice_from_jfunc): Request boolean type when
3358         folding tcc_comparison operations.
3359
3360 2009-10-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3361
3362         * config/s390/s390.c (s390_encode_section_info): Handle BLKmode
3363         properly.
3364
3365 2009-10-12  Alexandre Oliva  <aoliva@redhat.com>
3366
3367         PR debug/41343
3368         PR debug/41447
3369         PR debug/41264
3370         PR debug/41338
3371         * tree.def (DEBUG_EXPR_DECL): New.
3372         * rtl.def (DEBUG_EXPR): New.
3373         * gengtype.c (adjust_field_rtx_def): Handle it.
3374         * tree-ssa.c (propagate_var_def_into_debug_stmts): Rename to...
3375         (insert_debug_temp_for_var_def): ... this.  Drop support for
3376         moving.  Take iterator for def stmt; insert debug stmt before it.
3377         Scan early for use count and kind in debug stmts.
3378         (propagate_defs_into_debug_stmts): Rename to...
3379         (insert_debug_temps_for_defs): ... this.  Likewise.
3380         * tree.h (DEBUG_TEMP_UID): New.
3381         * tree.c (next_debug_decl_uid): New.
3382         (make_node_stat): Count debug decls separately.
3383         (copy_node_stat): Likewise.
3384         * cfgexpand.c (expand_debug_expr): Handle DEBUG_EXPR_DECL.
3385         * var-tracking.c (dv_is_decl_p): Recognize it.
3386         (VALUE_RECURSED_INTO): Apply to DEBUG_EXPRs too.
3387         (track_expr_p): Track expanded DEBUG_EXPR_DECLs.
3388         (vt_expand_loc_callback): Expand DEBUG_EXPRs.
3389         (emit_note_insn_var_location): Don't emit notes for DEBUG_EXPR_DECLs.
3390         * cselib.c (rtx_equal_for_cselib_p): Handle DEBUG_EXPR.
3391         (cselib_hash_rtx): Likewise.
3392         (cselib_expand_value_rtx_1): Use callback for DEBUG_EXPR.
3393         * tree-ssa-operands.c (get_expr_operands): Skip DEBUG_EXPR_DECLs in
3394         debug bind stmts.
3395         * emit-rtl.c (verify_rtx_sharing): Handle DEBUG_EXPR and VALUE.
3396         (copy_rtx_if_shared_1, reset_used_flags, set_used_flags): Likewise.
3397         * rtl.c (copy_rtx): Likewise.
3398         (rtx_equal_p_cb, rtx_equal_p): Handle DEBUG_EXPR.
3399         * print-rtl.c (print_rtx): Likewise.
3400         * sched-vis.c (print_value): Likewise.
3401         (print_insn): Handle DEBUG_EXPR_DECL.
3402         * tree-dump.c (dequeue_and_dump): Likewise.
3403         * tree-pretty-print.c (dump_decl_name, dump_generic_node): Likewise.
3404         * gimple-iterator (gsi_replace): Check for same lhs.
3405         (gsi_remove): Insert debug temps.
3406         * tree-ssa-loop-im.c (rewrite_reciprocal): Replace with same lhs.
3407         (move_computations_stmt): Drop explicit propagation into debug stmts.
3408         (rewrite_bittest): Likewise.  Use gsi_remove for propagation.
3409         * tree-ssa-reassoc.c (rewrite_expr_tree, linearize_expr): Likewise.
3410         * tree-ssa-sink.c (statement_sink_location): Likewise.
3411         * tree-ssa-forwprop (forward_propagate_addr_expr): Likewise.
3412         * tree-ssanames.c (release_ssa_name): Adjust for rename.
3413         * tree-flow.h: Likewise.
3414         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Don't mark
3415         debug temps without values.
3416         (eliminate_unnecessary_stmts): Don't discard just-inserted
3417         debug stmts.
3418
3419 2009-10-12  Hans-Peter Nilsson  <hp@axis.com>
3420
3421         PR target/26515
3422         * config/cris/cris.md (andu): Check that operand 1 is one of the
3423         general registers.  Fix typo in head comment.
3424
3425 2009-10-12  Stefan Dösinger  <stefan@codeweavers.com>
3426
3427         * config/i386/i386.md (vswapmov): New.
3428         * config/i386/i386.c (ix86_handle_fndecl_attribute): New.
3429         (ix86_function_ms_hook_prologue): New.
3430         (ix86_expand_prologue): Handle ms_hook_prologue attribute.
3431         * configure.ac: Test for swap suffix support in as.
3432         * configure: Rebuild.
3433
3434 2009-10-12  Jakub Jelinek  <jakub@redhat.com>
3435
3436         PR target/41680
3437         * config/i386/i386.md (split after *testqi_ext_3_rex64): Only narrow
3438         paradoxical subregs to prevent partial register stalls if the inner
3439         mode is integer mode.
3440
3441 2009-10-12  Uros Bizjak  <ubizjak@gmail.com>
3442
3443         * config/i386/i386.md (*setcc_<mode>_2): Remove insn pattern.
3444
3445 2009-10-12  Dodji Seketeli  <dodji@redhat.com>
3446
3447         PR c++/41570
3448         * gcc/dwarf2out.c (template_parameter_pack_die,
3449         gen_formal_parameter_pack_die): Use add_name_and_src_coords_attributes.
3450
3451 2009-10-12  Alexandre Oliva  <aoliva@redhat.com>
3452
3453         PR debug/41616
3454         * tree-into-ssa.c (insert_phi_nodes_for): Build debug bind stmts
3455         on updates too.
3456         (maybe_register_def): Likewise.  Take stmt iterator.
3457         (rewrite_update_stmt): Take stmt iterator and pass it on.
3458         (rewrite_update_enter_block): Pass stmt iterator.
3459
3460 2009-10-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3461
3462         * config/spu/spu.c (TARGET_BUILTIN_DECL): Define.
3463         (spu_builtin_decl): New function.
3464
3465 2009-10-12  Uros Bizjak  <ubizjak@gmail.com>
3466
3467         * config/i386/i386.md (SWIM): New mode iterator.
3468         (mov<mode>cc): Macroize expander from mov{qi,hi,si,di}cc patterns
3469         using SWIM mode iterator.
3470         (x86_mov<mode>cc_0_m1): Macroize insn from x86_mov{si,di}cc_0_m1
3471         patterns using SWI48 mode iterator.
3472         (*x86_mov<mode>cc_0_m1_se):  Macroize insn from
3473         *x86_mov{si,di}cc_0_m1_se patterns using SWI48 mode iterator.
3474         (*x86_mov<mode>cc_0_m1_neg): New insn pattern.
3475         (*mov<mode>cc_noc): Macroize insn from *mov{hi,si,di}cc_noc
3476         patterns using SWI248 mode iterator.
3477         * config/i386/i386.c (ix86_expand_int_movcc): Update the call to
3478         gen_x86_movdicc_0_m1_rex64 for renamed function
3479
3480 2009-10-11  Jose Ruiz  <ruiz@adacore.com>
3481             Eric Botcazou  <ebotcazou@adacore.com>
3482
3483         PR target/33743
3484         * config/sparc/sol2.h (MD_UNWIND_SUPPORT): Define.
3485         * config/sparc/sol2-unwind.h: New file.
3486
3487 2009-10-11  Olivier Hainque  <hainque@adacore.com>
3488             Eric Botcazou  <ebotcazou@adacore.com>
3489
3490         PR target/33743
3491         * config/i386/sol2.h (MD_UNWIND_SUPPORT): Define.
3492         * config/i386/sol2-unwind.h: New file.
3493
3494 2009-10-11  H.J. Lu  <hongjiu.lu@intel.com>
3495
3496         PR target/41665
3497         * config/i386/i386.md (addsi_1_zext): Get the proper second
3498         operand for lea.
3499
3500 2009-10-11  Richard Sandiford  <rdsandiford@googlemail.com>
3501
3502         * simplify-rtx.c (simplify_replace_rtx): Use rtx_equal_p for
3503         all OLD_RTXes, not just REGs.  Use copy_rtx to create the
3504         replacement value.
3505
3506 2009-10-11  Richard Guenther  <rguenther@suse.de>
3507
3508         * gimple.c (iterative_hash_type_name): Do not handle special
3509         anonymous names.
3510
3511 2009-10-11  Uros Bizjak  <ubizjak@gmail.com>
3512
3513         * config/i386/i386.md (*setcc_di_1): New insn_and_split pattern.
3514         (*setcc_si_1_and): Ditto.
3515         (*setcc_si_1_movzbl): Ditto.
3516         (*setcc_<mode>_2): Ditto.
3517         (*setcc_qi): Rename from *setcc_1.
3518         (*setcc_qi_slp): Rename from *setcc_2.
3519
3520         (*zero_extendqihi2_movzbw_and splitter): Use ix86_expand_clear.
3521         (*zero_extendqisi2_movzbw_and splitter): Ditto.
3522
3523         * config/i386/i386.c (ix86_expand_clear): Remove reload_completed from
3524         "if" condition, there is already assert with reload_completed present.
3525
3526 2009-10-11  Gerald Pfeifer  <gerald@pfeifer.com>
3527
3528         * plugin.c (try_init_one_plugin): Improve constness of variable err.
3529
3530 2009-10-10  Gerald Pfeifer  <gerald@pfeifer.com>
3531
3532         * doc/install.texi (Final install): Refer to
3533         http://gcc.gnu.org/bugs/ for bug reporting.
3534
3535 2009-10-10  Peter Bergner  <bergner@vnet.ibm.com>
3536
3537         * configure.ac: Add test for dci instruction.
3538         * configure: Regenerate.
3539         * config.in: Likewise.
3540         * config.gcc: Handle --with-cpu=476 and --with-cpu=476fp.
3541         * doc/invoke.texi: Add cpu_type 476 and 476fp.
3542         (-mmulhw): Add 476 to description.
3543         (-mdlmzb): Likewise.
3544         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=476.
3545         * config/rs6000/rs6000.c (processor_costs): Add ppc476_cost.
3546         (processor_target_table): Add 476 and 476fp entries.
3547         (rs6000_override_options): Use ppc476_cost for PROCESSOR_PPC476.
3548         (rs6000_issue_rate): Add CPU_PPC476.
3549         * config/rs6000/rs6000.h (ASM_CPU_476_SPEC): Define.
3550         (ASM_CPU_SPEC): Pass %(asm_cpu_476) for -mcpu=476 and -mcpu=476fp.
3551         (processor_type): Add PROCESSOR_PPC476.
3552         (EXTRA_SPECS): Add asm_cpu_476 string.
3553         * config/rs6000/rs6000.md (define_attr "type"): Add isel attribute.
3554         (define_attr "cpu"): Add ppc476.
3555         Include 476.md.
3556         Update comments for 476.
3557         (isel_signed, isel_unsigned): Change to use "isel" type attribute.
3558         * config/rs6000/vxworks.h (CPP_SPEC): Handle 464 and 476.
3559         Update copyright year.
3560         * config/rs6000/476.md: New file.
3561         * config/rs6000/40x.md: Add description for "isel" attribute.
3562         Update copyright year.
3563         * config/rs6000/440.md: Likewise.
3564         * config/rs6000/603.md: Likewise.
3565         * config/rs6000/6xx.md: Likewise.
3566         * config/rs6000/7450.md: Likewise.
3567         * config/rs6000/7xx.md: Likewise.
3568         * config/rs6000/8540.md: Likewise.
3569         * config/rs6000/cell.md: Likewise.
3570         * config/rs6000/e300c2c3.md: Likewise.
3571         * config/rs6000/e500mc.md: Likewise.
3572         * config/rs6000/mpc.md: Likewise.
3573         * config/rs6000/power4.md: Likewise.
3574         * config/rs6000/power5.md: Likewise.
3575         * config/rs6000/power6.md: Likewise.
3576         * config/rs6000/power7.md: Likewise.
3577         * config/rs6000/rios1.md: Likewise.
3578         * config/rs6000/rios2.md: Likewise.
3579         * config/rs6000/rs64.md: Likewise.
3580
3581 2009-10-10  Richard Guenther  <rguenther@suse.de>
3582
3583         PR tree-optimization/41654
3584         * tree-ssa-ifcombine.c (ifcombine_ifandif): Properly canonicalize
3585         a cond expr before calling gimple_cond_set_condition_from_tree.
3586         (ifcombine_iforif): Likewise.
3587
3588 2009-10-09  Ian Lance Taylor  <iant@google.com>
3589
3590         * configure.ac: Use AC_SEARCH_LIBS to find dlopen.
3591         * configure: Rebuild.
3592
3593 2009-10-09  Neil Vachharajani <nvachhar@google.com>
3594
3595         * doc/cpp.texi (Other Directives): Do not list #ident and #sccs as
3596         deprecated.
3597
3598 2009-10-09  Richard Guenther  <rguenther@suse.de>
3599
3600         PR lto/41638
3601         * target-def.h (TARGET_BUILTIN_DECL): Define.
3602         (TARGET_INITIALIZER): Add TARGET_BUILTIN_DECL.
3603         * target.h (struct gcc_target): Add builtin_decl target hook.
3604         * doc/tm.texi (TARGET_BUILTIN_DECL): Document.
3605         * lto-streamer-in.c (lto_get_builtin_tree): Fix handling of
3606         target builtins.
3607         * lto-streamer-out.c (lto_output_tree_pointers): Use sorry,
3608         not gcc_unreachable.
3609         (lto_output_builtin_tree): Sorry if the target does not support
3610         streaming target builtins.
3611         * config/rs6000/rs6000.c (TARGET_BUILTIN_DECL): Define.
3612         (rs6000_builtin_decl): New function.
3613         * config/i386/i386.c (TARGET_BUILTIN_DECL): Define.
3614         (ix86_builtin_decl): New function.
3615
3616 2009-10-09  Jakub Jelinek  <jakub@redhat.com>
3617
3618         PR preprocessor/41445
3619         * c-ppoutput.c (do_line_change): New function.
3620         (cb_line_change): Use it.
3621         (scan_translation_unit): Call do_line_change if
3622         avoid_paste or PREV_WHITE and token location is on a different line
3623         than print.src_line.
3624
3625         PR debug/40521
3626         * dwarf2out.c (dwarf2out_init): Test whether
3627         HAVE_GAS_CFI_SECTIONS_DIRECTIVE is non-zero instead of checking
3628         it is defined.
3629
3630         PR rtl-optimization/41646
3631         * calls.c (expand_call): For BLKmode types returned in registers
3632         avoid likely spilled hard regs in copy_blkmode_from_reg generated
3633         insns.
3634
3635 2009-10-09  Richard Guenther  <rguenther@suse.de>
3636
3637         PR tree-optimization/41634
3638         * tree-ssa-dom.c (remove_local_expressions_from_table): Assert
3639         we remove the correct elements.
3640         (optimize_stmt): Make sure to update stmt operands before
3641         optimizing redundancies.
3642
3643 2009-10-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3644
3645         * config/s390/s390.md ("prefetch"): Remove stcmh for prefetching.
3646
3647 2009-10-09  Richard Guenther  <rguenther@suse.de>
3648
3649         PR driver/41637
3650         * lto-wrapper.c (ltrans_output_file, flto_out, args_name): New
3651         globals.
3652         (lto_wrapper_exit): New function.
3653         (fatal): Use it.
3654         (fatal_perror): Likewise.
3655         (fork_execute): Use global args_name, do not free it.
3656         (run_gcc): Use global ltrans_output_file, flto_out, do not free them.
3657         * lto-streamer.h: Remove duplicate prototypes.
3658
3659 2009-10-09  Richard Guenther  <rguenther@suse.de>
3660
3661         * cgraph.c (cgraph_create_edge): Check for NULL call_stmt
3662         before calling stmt_can_throw_external.
3663
3664 2009-10-09  Eric Botcazou  <ebotcazou@adacore.com>
3665
3666         PR tree-optimization/40071
3667         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Build a ref-all
3668         pointer if the original data reference doesn't conflict with the
3669         created vector data reference.  Fix long line.
3670
3671 2009-10-09  Uros Bizjak  <ubizjak@gmail.com>
3672
3673         * config/i386/i386.md (any_div): New code iterator.
3674         (u): Handle div and udiv.
3675         (sgnprefix): Ditto.
3676         (<u>divqi3): Macroize insn from {,u}divqi3  using any_div
3677         code iterator.
3678         (lfloor<MODEF:mode><SWI48:mode>2): Macroize insn from
3679         lfloor<mode>{si,di}2 patterns using SWI48 mode iterator.
3680         (lceil<MODEF:mode><SWI48:mode>2): Macroize insn from
3681         lceil<mode>{si,di}2 patterns using SWI48 mode iterator.
3682
3683 2009-10-08  Joseph Myers  <joseph@codesourcery.com>
3684
3685         * gcc.c (main): Remove trailing "." from diagnostics.
3686
3687 2009-10-08  Cary Coutant  <ccoutant@google.com>
3688
3689         Add support for debugging with ICF (Identical Code Folding).
3690         * calls.c (debug.h): New #include.
3691         (emit_call_1): Call virtual_call_token debug hook.
3692         * common.opt (-fenable-icf-debug): New option.
3693         * dwarf2out.c (dwarf2_debug_hooks): Add entries for new hooks (two
3694         locations in the source).
3695         (poc_label_num): New variable.
3696         (dcall_entry, vcall_entry): New typedefs.
3697         (dcall_table, vcall_table): New variables.
3698         (struct vcall_insn): New type.
3699         (vcall_insn_table): New variable.
3700         (DEBUG_DCALL_SECTION, DEBUG_VCALL_SECTION): New macros.
3701         (size_of_dcall_table): New function.
3702         (output_dcall_table): New function.
3703         (size_of_vcall_table): New function.
3704         (output_vcall_table): New function.
3705         (dwarf2out_direct_call): New function.
3706         (vcall_insn_table_hash): New function.
3707         (vcall_insn_table_eq): New function.
3708         (dwarf2out_virtual_call_token): New function.
3709         (dwarf2out_virtual_call): New function.
3710         (dwarf2out_init): Allocate new tables and sections.
3711         (prune_unused_types): Mark DIEs referenced from direct call table.
3712         (dwarf2out_finish): Output direct and virtual call tables.
3713         * final.c (final_scan_insn): Call direct_call and virtual_call
3714         debug hooks.
3715         * debug.h (struct gcc_debug_hooks): Add direct_call,
3716         virtual_call_token, virtual_call hooks.
3717         (debug_nothing_uid): New function.
3718         * debug.c (do_nothing_debug_hooks): Add dummy entries for new hooks.
3719         (debug_nothing_uid): New function.
3720         * dbxout.c (dbx_debug_hooks): Add dummy entries for new hooks.
3721         (xcoff_debug_hooks): Likewise.
3722         * sdbout.c (sdb_debug_hooks): Likewise.
3723         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
3724         * doc/invoke.texi (-fenable-icf-debug): New option.
3725
3726 2009-10-08  Alexandre Oliva  <aoliva@redhat.com>
3727
3728         PR debug/41353
3729         * regmove.c (regmove_backward_pass): Replace src with dst in the
3730         debug insn, and check for dst before rather than after.
3731
3732 2009-10-08  Janis Johnson <janis187@us.ibm.com>
3733
3734         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Remove.
3735         (TARGET_DELEGITIMIZE_ADDRESS): Likewise.
3736
3737 2009-10-08  Jan Hubicka  <jh@suse.cz>
3738
3739         PR middle-end/41626
3740         * cgraphbuild.c (record_reference): When parameter DATA is NULL,
3741         do not mark cgraph nodes as needed.
3742         (record_references_in_initializer): Add new only_vars parameter.
3743         * cgraph.h (record_references_in_initializer): New parameter.
3744         * varasm.c (assemble_variable): Update call.
3745         * varpool.c (varpool_analyze_pending_decls): Always look for
3746         referenced vars.
3747
3748 2009-10-08  Anatoly Sokolov  <aesok@post.ru>
3749
3750         * config/avr/avr.c (last_insn_address) Remove variable.
3751         (expand_prologue): Don't initialise last_insn_address variable.
3752         (final_prescan_insn): Don't output insn size.
3753         * config/avr/avr.opt (msize): Remove switch.
3754         * doc/invoke.texi (AVR Options): Remove documentation of -msize
3755         switch.
3756
3757 2009-10-08  Adam Nemet  <anemet@caviumnetworks.com>
3758
3759         * combine.c (label_tick_ebb_start): Fix comment.
3760         (combine_instructions): Set label_tick and label_tick_ebb_start before
3761         calling setup_incoming_promotions.  Start them from 1.  Increment
3762         label_tick instead of deriving it from the BB index.  Rather than
3763         comparing ticks use the block from the previous iteration to decide
3764         whether to start a new EBB.  Remove empty lines before function.
3765
3766 2009-10-08  Michael Matz  <matz@suse.de>
3767
3768         PR middle-end/41573
3769         * builtins.c (fold_builtin_isascii): Use fold_build2.
3770         (fold_builtin_isdigit): Ditto.
3771         * except.c (duplicate_eh_regions_1): Tolerate NULL labels.
3772         * tree-cfg.c (struct rus_data, remove_useless_stmts_warn_notreached,
3773         remove_useless_stmts_cond, remove_useless_stmts_tf,
3774         remove_useless_stmts_tc, remove_useless_stmts_bind,
3775         remove_useless_stmts_goto, remove_useless_stmts_label,
3776         remove_useless_stmts_1, remove_useless_stmts,
3777         pass_remove_useless_stmts): Remove.
3778         * tree-pass.h (pass_remove_useless_stmts): Don't declare.
3779         * passes.c (init_optimization_passes): Don't add
3780         pass_remove_useless_stmts.
3781         * tree-eh.c (lower_eh_constructs_2): Handle empty cleanups.
3782         * tree.c (free_lang_data_in_decl): Don't clear DECL_INITIAL of
3783         static constants.
3784         * lto-symtab.c (lto_symtab_register_decl): Accepts DECL_INITIAL
3785         for static constants.
3786         * lto-streamer-out.c (output_gimple_stmt): Handle GIMPLE_NOP.
3787         * lto-streamer-in.c (input_gimple_stmt): Handle GIMPLE_NOP.
3788
3789 2009-10-08  Richard Guenther  <rguenther@suse.de>
3790
3791         * gimple.c (free_gimple_type_tables): New function.
3792         * gimple.h (free_gimple_type_tables): Declare.
3793
3794 2009-10-07  Mark Heffernan  <meheff@google.com>
3795
3796         * ipa-prop.c (ipa_print_node_params) Only print
3797         names of named arguments.
3798
3799 2009-10-08  Rafael Avila de Espindola  <espindola@google.com>
3800
3801         * gcc.c (LINK_COMMAND_SPEC): Pass libc with -pass-through if it is
3802         being statically linked.
3803
3804 2009-10-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3805
3806         * collect2.c (add_lto_object): Only define if OBJECT_FORMAT_NONE.
3807
3808 2009-10-08  Jan Hubicka  <jh@suse.cz>
3809
3810         PR bootstrap/41620
3811         * ipa.c (cgraph_externally_visible_p,
3812         function_and_variable_visibility,
3813         whole_program_function_and_variable_visibility): Skip non-finalized
3814         nodes.
3815
3816 2009-10-08  Nick Clifton  <nickc@redhat.com>
3817
3818         * config/mn10300/mn10300.h (CONSTANT_ADDRESS_P): Do not allow
3819         CONST_DOUBLEs.
3820
3821 2009-10-08  Andreas Tobler  <a.tobler@schweiz.org>
3822
3823         PR bootstrap/37739
3824         * config.host: Use config/x-cflags-O1 for powerpc FreeBSD.
3825
3826 2009-10-07  Joseph Myers  <joseph@codesourcery.com>
3827
3828         PR c/41182
3829         * c-common.c (c_fully_fold_internal): Strip nops from the result
3830         of recursive calls to c_fully_fold_internal.
3831         (c_wrap_maybe_const): New.
3832         (c_save_expr): Use c_wrap_maybe_const.
3833         * c-common.h (c_wrap_maybe_const): Declare.
3834         * c-typeck.c (build_conditional_expr, c_finish_stmt_expr,
3835         build_binary_op): Use c_wrap_maybe_const.
3836
3837 2009-10-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3838
3839         * real.c: Fix comment to reflect actual exponent size.
3840
3841 2009-10-08  Ben Elliston  <bje@au.ibm.com>
3842
3843         * config/rs6000/a2.md: Add FSF comment header.
3844
3845 2009-10-07  Uros Bizjak  <ubizjak@gmail.com>
3846
3847         * config/i386/i386.md (any_extend): New code iterator.
3848         (u, s): New code attributes.
3849         (sgnprefix): Ditto.
3850         (DWIH): Rewrite as code iterator for SI and DI modes.
3851         (DWI): Rewrite as mode attribute.
3852         (dwi): New mode attribute.
3853         (di): Depend on SI mode and DI mode.
3854         (doubleint_general_operand): Remove mode attribute.
3855
3856         (*lea_1): Macroize insn from *lea_1_rex64 and *lea_1 patterns using
3857         DWIH mode iterator.
3858
3859         (*add<mode>3_doubleword): Use DWIH as the base mode iterator.
3860         (*sub<mode>3_doubleword): Ditto.
3861
3862         (mul<mode>3): Macroize expander from mul{hi,si,di}3 patterns
3863         using SWIM248 mode iterator.
3864         (*mul<mode>3_1): Macroize insn from mul{si,di}3_1 patterns
3865         using SWI48 mode iterator.
3866         (<u>mul<mode><dwi>3): Macroize expander from {,u}mul{sidi,diti}3
3867         patterns using DWIH mode iterator and any_extend code iterator.
3868         (<u>mulqihi3): Macroize expander from {,u}mulqihi3 patterns
3869         using any_extend code iterator.
3870         (*<u>mul<mode><dwi>3_1): Macroize insn from {,u}mul{sidi,diti}3_1
3871         patterns using DWIH mode iterator and any_extend code iterator.
3872         (*<u>mulqihi3_1): Macroize insn from {,u}mulqihi3_1 patterns
3873         using any_extend code iterator.
3874         (<s>mul<mode>3_highpart): Macroize expander from
3875         {s,u}mul{si,di}3_highpart patterns using DWIH mode iterator
3876         and any_extend code iterator.
3877         (*<s>muldi3_highpart_1): Macroize insn from
3878         *{s,u}muldi3_highpart_rex64 patterns using any_extend code iterator.
3879         (*<s>mulsi3_highpart_1): Macroize insn from *{s,u}mulsi3_highpart_1
3880         patterns using any_extend code iterator.
3881         (*<s>mulsi3_highpart_zext): Macroize insn from
3882         *{s,u}mulsi3_highpart_zext patterns using any_extend code iterator.
3883
3884 2009-10-07  Jakub Jelinek  <jakub@redhat.com>
3885
3886         * dwarf2out.c (tree_add_const_value_attribute_for_decl): Don't add
3887         DW_AT_const_value if VAR_DIE already has DW_AT_abstract_origin
3888         refering to a DIE with DW_AT_const_value.
3889
3890 2009-10-07  Vladimir Makarov  <vmakarov@redhat.com>
3891
3892         PR middle-end/22072
3893         * ira-lives.c (check_and_make_def_conflict): Process all operands.
3894
3895 2009-10-06  Jan Hubicka  <jh@suse.cz>
3896
3897         * cgraph.c (cgraph_node_can_be_local): Handle externally visible nodes
3898         correctly.
3899
3900 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
3901
3902         * config/i386/i386.md (*lea_1_rex64, *lea_1, *lea_1_zext,
3903         *lea_2_rex64): Move before *add<mode>_1 pattern.
3904
3905 2009-10-07  Jan Hubicka  <jh@suse.cz>
3906
3907         * collect2.c (main): Add -fno-whole-program.
3908         * gcc.c (set_collect_gcc_options): Do not remove whole program here.
3909
3910 2009-10-07  Jan Hubicka  <jh@suse.cz>
3911
3912         * lto-symtab.c (lto_cgraph_replace_node): Assert that inline clones
3913         has no address taken.
3914         * cgraph.c (cgraph_mark_needed_node): Assert that inline clones are
3915         never needed.
3916         (cgraph_clone_node): Clear externally_visible flag for clones.
3917         * cgraph.h (cgraph_only_called_directly_p,
3918         cgraph_can_remove_if_no_direct_calls_p): New predicates.
3919         * tree-pass.h (pass_ipa_whole_program_visibility): Declare.
3920         * ipa-cp.c (ipcp_cloning_candidate_p): Use new predicate.
3921         (ipcp_initialize_node_lattices, ipcp_estimate_growth,
3922         ipcp_insert_stage): Likwise.
3923         * cgraphunit.c (cgraph_decide_is_function_needed): Do not compute
3924         externally_visible flag.
3925         (verify_cgraph_node): Verify that inline clones look right.
3926         (process_function_and_variable_attributes): Do not set
3927         externally_visible flags.
3928         (ipa_passes): Avoid executing small_ipa_passes at LTO stage; they've
3929         been already run.
3930         * lto-cgraph.c (lto_output_node): Assert that inline clones are not
3931         boundaries.
3932         * ipa-inline.c (cgraph_clone_inlined_nodes): Use new predicates;
3933         clear externally_visible when turning into inline clones
3934         (cgraph_mark_inline_edge): Use new predicates.
3935         (cgraph_estimate_growth): Likewise.
3936         (cgraph_decide_inlining): Likewise.
3937         * ipa.c (cgraph_postorder): Likewise.
3938         (cgraph_remove_unreachable_nodes): Likewise; sanity check
3939         that inline clones are not needed.
3940         (cgraph_externally_visible_p): New predicate.
3941         (function_and_variable_visibility): Add whole_program parameter;
3942         always set externally_visible flag; handle COMDAT function
3943         privatization.
3944         (local_function_and_variable_visibility): New function.
3945         (gate_whole_program_function_and_variable_visibility): New function.
3946         (whole_program_function_and_variable_visibility): New function.
3947         (pass_ipa_whole_program_visibility): New function.
3948         * passes.c  (init_optimization_passes): Add whole program visibility
3949         pass.
3950         (do_per_function_toporder, function_called_by_processed_nodes_p): Do
3951         not care about needed/reachable flags.
3952         * varpool.c: Include flags.h
3953         (decide_is_variable_needed): When doing LTO assume whole-program mode.
3954         (varpool_finalize_decl): When we are in LTO read-back, all variables
3955         are analyzed.
3956         (varpool_analyze_pending_decls): Skip analyzis of analyzed vars.
3957
3958 2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3959
3960         * config/s390/tpf.h (TARGET_DEFAULT): Remove MASK_HARD_FLOAT and
3961         add MASK_HARD_DFP.
3962
3963 2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3964
3965         * config.gcc: Don't include the makefile fragments intended for
3966         libgcc.
3967         * config/s390/fixdfdi.h: File removed.
3968         * config/s390/libgcc-glibc.ver: File removed.
3969         * config/s390/s390.h: Remove the fixdfdi.h hack.
3970         * config/s390/t-crtstuff: File moved to libgcc dir.
3971         * config/s390/t-linux: Likewise.
3972         * config/s390/t-tpf: libgcc specific parts removed.
3973         * config/s390/t-linux64: Likewise.
3974
3975 2009-10-06  Jerry Quinn  <jlquinn@optonline.net>
3976
3977         * Makefile.in (lto-wrapper): Use COMPILER and ALL_COMPILERFLAGS.
3978         (lto-compress.o): Likewise.
3979
3980 2009-10-07  Danny Smith  <dannysmith@users.sourceforge.net>
3981
3982         PR target/41512
3983         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't propagate
3984         dllexport to class members here.
3985         (i386_pe_determine_dllimport_p): Only check static class data for
3986         definition.
3987         (i386_pe_encode_section_info): Don't recheck DECL_DLLIMPORT_P.
3988         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Only check
3989         functions for vague linkage.
3990         (i386_pe_type_dllexport_p): Fix formatting.
3991         (maybe_add_dllexport) New function.
3992         (i386_pe_adjust_class_at_definition): Use it to propagate dllexport
3993         to class members.
3994
3995 2009-10-07  Ben Elliston  <bje@au.ibm.com>
3996
3997         * config/rs6000/a2.md: Remove duplicated lines.
3998
3999 2009-10-07  Ben Elliston  <bje@au.ibm.com>
4000
4001         * config.gcc (powerpc*-*-*): Handle a2.
4002         * config/rs6000/rs6000.md (cpu): Add ppca2.  Include "a2.md".
4003         * config/rs6000/a2.md: New file.
4004         * config/rs6000/rs6000.opt (mno-update): New.
4005         (mupdate): Return to using a mask, not a var.
4006         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add support for a2.
4007         (enum processor_type): Add PROCESSOR_PPCA2.
4008         * config/rs6000/rs6000.c (ppca2_cost): New costs.
4009         (rs6000_override_options): Add "a2" to processor_target_table.
4010         Update rs6000_always_hint logic.  Correctly set rs6000_cost for a2.
4011         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mcpu=a2.
4012
4013 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
4014
4015         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
4016         Use explicit gen_truncxfsf2 and gen_truncxfdf2 references to avoid
4017         reference to nonexistent gen_truncxfxf2 function.
4018
4019 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
4020
4021         * config/i386/i386.md (SWI48, SDWIM, DWI): New mode iterators.
4022         (DWIH, g, di, doubleint_general_operand): New mode attributes.
4023         (general_operand): Handle TI mode.
4024         (add<mode>3): Macroize expander from add{qi,hi,si,di,ti}3 patterns
4025         using SDWIM mode iterator.
4026         (*add<mode>3_doubleword): New insn_and_split pattern.  Macroize
4027         pattern from *add{di,ti}3_1 patterns and corresponding splitters
4028         using DWI mode iterator.
4029         (add<mode>3_carry): Macroize insn from add{qi,hi,si,di}3_carry
4030         patterns using SWI mode iterator.
4031         (*add<mode>3_cc): Macroize insn from add{si,di}3_cc patterns
4032         using SWI48 mode iterator.
4033         (*add<mode>_1): Ditto from add{si,di}_1 patterns.
4034         (*add<mode>_2): Ditto from add{si,di}_2 patterns.
4035         (*add<mode>_3): Ditto from add{si,di}_3 patterns.
4036         (*add<mode>_5): Ditto from add{si,di}_5 patterns.
4037         (sub<mode>3): Macroize expander from sub{qi,hi,si,di,ti}3 patterns
4038         using SDWIM mode iterator.
4039         (*sub<mode>3_doubleword): New insn_and_split pattern.  Macroize
4040         pattern from *sub{di,ti}3_1 patterns and corresponding splitters
4041         using DWI mode iterator.
4042         (sub<mode>3_carry): Macroize insn from sub{qi,hi,si,di}3_carry
4043         patterns using SWI mode iterator.
4044         (*sub<mode>_1): Ditto from from sub{qi,hi,si,di}_1 patterns.
4045         (*sub<mode>_2): Ditto from sub{qi,hi,si,di}_2 patterns.
4046         (*sub<mode>_3): Ditto from sub{qi,hi,si,di}_3 patterns.
4047         (<plusminus_insn>xf3): Macroize expander from addxf3 and subxf3
4048         patterns using plusminus code iterator.
4049         (<plusminus_insn><mode>3): Macroize expander from add<mode>3 and
4050         sub<mode>3 patterns using plusminus code iterator.
4051         * config/i386/i386.c (override_options): Update the call to
4052         gen_subdi_carry_rex64 for renamed function.
4053         (ix86_expand_int_addcc): Update calls to gen_subdi3_carry_rex64
4054         and gen_adddi3_carry_rex64 for renamed functions.  Use indirect
4055         calls to instruction expanders.
4056
4057 2009-10-06  Martin Jambor  <mjambor@suse.cz>
4058
4059         PR bootstrap/41395
4060         * opts.c (decode_options): Run IPA-SRA at -O2.
4061
4062 2009-10-06  Richard Guenther  <rguenther@suse.de>
4063
4064         * lto-symtab.c (lto_symtab_entry_hash): Hash strings, not pointers.
4065
4066 2009-10-06  Tobias Burnus  <burnus@net-b.de>
4067
4068         PR lto/41591
4069         * doc/invoke.texi (-flto,-fwhole-program): Make clear that the
4070         -flto and -fwhole-program flags can be combined.
4071
4072 2009-10-06  Ryan Mansfield  <rmansfield@qnx.com>
4073
4074         PR driver/41217
4075         * gcc.c (process_command): Check that -o argument was specified.
4076
4077 2009-10-06  Jerry Quinn  <jlquinn@optonline.net>
4078
4079         * gimple.c (gimple_type_hash): Use CONST_CAST_TREE to fix compilation.
4080
4081 2009-10-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4082
4083         * c.opt (Wjump-misses-init): Fix typo to enable for ObjC.
4084         * doc/invoke.texi (Warning Options): Annotate allowed languages
4085         for -Wunsuffixed-float-constants.
4086
4087 2009-10-05  Jakub Jelinek  <jakub@redhat.com>
4088
4089         * dwarf2out.c (modified_type_die): Don't add DW_AT_name to
4090         DW_TAG_{const,volatile}_type if its DW_AT_type already has the
4091         same name and isn't the main variant.
4092
4093         PR debug/41558
4094         * dwarf2out.c (loc_by_reference): Removed.
4095         (dw_loc_list_1): New function.
4096         (dw_loc_list): Remove toplev argument, add want_address argument.
4097         Don't look at decl_by_reference_p at all.  Use dw_loc_list_1.
4098         (loc_list_from_tree) <case VAR_DECL>: Pass want_address rather than
4099         want_address == 2 to dw_loc_list.  For successful dw_loc_list
4100         set have_address to 1 only if want_address is not 0.
4101
4102 2009-10-05  Richard Sandiford  <rdsandiford@googlemail.com>
4103
4104         * config/mips/mips-protos.h (mips_trampoline_code_size): Declare.
4105         * config/mips/mips.h (TRAMPOLINE_SIZE): Redefine as the size of
4106         a code block followed by two pointers.
4107         (TRAMPOLINE_ALIGNMENT): Define to 64 for 32-bit targets too.
4108         * config/mips/mips.c (MIPS_LOAD_PTR): New macro.
4109         (MIPS_MOVE): Likewise.
4110         (MIPS_LUI): Likewise.
4111         (MIPS_JR): Likewise.
4112         (MIPS_BAL): Likewise.
4113         (MIPS_NOP): Likewise.
4114         (mips_asm_trampoline_template): Delete.
4115         (mips_trampoline_code_size): New function.
4116         (mips_trampoline_init): Add shorter sequences for all cases
4117         except Pmode == DImoe && !TARGET_USE_PIC_FN_ADDR_REG.
4118         Calculate the opcodes directly, rather than copying from a template.
4119         Only flush the code part of the trampoline.
4120         (TARGET_ASM_TRAMPOLINE_TEMPLATE): Delete.
4121
4122 2009-10-05  Richard Sandiford  <rdsandiford@googlemail.com>
4123
4124         * config/mips/mips.h (DWARF_FRAME_RETURN_COLUMN): Replace
4125         GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM.
4126         (INCOMING_RETURN_ADDR_RTX): Likewise.
4127         (FUNCTION_PROFILER): Likewise.  Replace GP_REG_FIRST + 1
4128         with AT_REGNUM.
4129         * config/mips/sdemtk.h (FUNCTION_PROFILER): Replace GP_REG_FIRST + 31
4130         with RETURN_ADDR_REGNUM.
4131         (MIPS_SAVE_REG_FOR_PROFILING_P): Likewise.
4132         * config/mips/mips.c (mips16_build_call_stub): Replace
4133         GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM, GP_REG_FIRST + 1
4134         with AT_REGNUM and 31 with RETURN_ADDR_REGNUM.
4135         (mips_print_operand_punctuation): Likewise.
4136         (mips_frame_set): Likewise.
4137         (mips16e_output_save_restore): Likewise.
4138         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
4139         (mips_save_reg_p): Likewise.
4140         (mips_return_addr): Likewise.
4141         (mips_set_return_address): Likewise.
4142         (mips_direct_save_slot_move_p): Likewise.
4143         (mips_output_function_prologue): Likewise.
4144         (mips_restore_reg): Likewise.
4145         (mips_expand_epilogue): Likewise.
4146         (mips_epilogue_uses): Likewise.
4147         * config/mips/mips.md (RETURN_ADD_REGNUM): Define.
4148         (*mov<mode>_ra): Use it instead of a hard-coded 31.
4149         (clear_hazard_<mode>): Likewise.
4150         (call_internal): Likewise.
4151         (call_internal_direct): Likewise.
4152         (call_direct_split): Likewise.
4153         (call_value_internal): Likewise.
4154         (call_value_split): Likewise.
4155         (call_value_internal_direct): Likewise.
4156         (call_value_direct_split): Likewise.
4157         (call_value_multiple_internal): Likewise.
4158         (call_value_multiple_split): Likewise.
4159
4160 2009-10-05  Eric Botcazou  <ebotcazou@adacore.com>
4161             Jakub Jelinek  <jakub@redhat.com>
4162
4163         PR rtl-optimization/41511
4164         * combine.c (record_value_for_reg): Pass explicit values as argument
4165         to get_last_value_validate.
4166         (get_last_value_validate): Document INSN parameter.
4167         For non-readonly MEMs, assume they might have been modified if INSN
4168         was in another basic block.
4169         (get_last_value): Minor reformatting.
4170
4171 2009-10-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4172
4173         PR tree-opt/40992
4174         * final.c (asm_str_count): Split out from asm_insn_count.
4175         * rtl.h (asm_str_count): New prototype.
4176         * tree-inline (estimate_num_insns) <case GIMPLE_ASM>: Call
4177         asm_str_count.
4178
4179 2009-10-05  Sriraman Tallam  <tmsriram@google.com>
4180
4181         * doc/plugins.texi: Change plugin_pass to register_pass_info.
4182
4183 2009-10-05  Basile Starynkevitch  <basile@starynkevitch.net>
4184             Rafael Espindola  <espindola@google.com>
4185
4186         * gengtype.c (write_types): Moved call to write_func_for_structure
4187         into seperate loops.
4188
4189 2009-10-05  Richard Guenther  <rguenther@suse.de>
4190
4191         PR lto/41281
4192         * lto-cgraph.c (output_cgraph): Output toplevel asms.
4193         (input_cgraph_1): Input toplevel asms.
4194
4195 2009-10-05  Richard Guenther  <rguenther@suse.de>
4196
4197         PR lto/40902
4198         * lto-symtab.c (lto_compatible_attributes_p): Remove.
4199         (external_aggregate_decl_p): Likewise.
4200         (lto_symtab_compatible): Re-structure.  Remove dead code.
4201         For variables ignore toplevel qualifiers when comparing types.
4202         Issue warnings, not errors for mismatched user-alignment.
4203
4204 2009-10-05  Richard Guenther  <rguenther@suse.de>
4205
4206         PR lto/41552
4207         PR lto/41487
4208         * lto-symtab.c (struct lto_symtab_base_def): Remove.
4209         (struct lto_symtab_identifier_def): Likewise.
4210         (struct lto_symtab_decl_def): Likewise.
4211         (struct lto_symtab_entry_def): New.
4212         (lto_symtab_identifier_t): Rename to ...
4213         (lto_symtab_entry_t): ... this.
4214         (lto_symtab_decls): Remove.
4215         (lto_symtab_base_hash): Rename to ...
4216         (lto_symtab_entry_hash): ... this.
4217         (lto_symtab_base_eq): Rename to ...
4218         (lto_symtab_entry_eq): ... this.
4219         (lto_symtab_base_marked_p): Rename to ...
4220         (lto_symtab_entry_marked_p): ... this.
4221         (lto_symtab_identifier_marked_p): Remove.
4222         (lto_symtab_decl_marked_p): Likewise.
4223         (lto_symtab_maybe_init_hash_tables): Rename to ...
4224         (lto_symtab_maybe_init_hash_table): ... this.
4225         (lto_symtab_set_resolution_and_file_data): Remove.
4226         (lto_symtab_register_decl): New function.
4227         (lto_symtab_get_identifier): Remove.
4228         (lto_symtab_get): New function.
4229         (lto_symtab_get_resolution): Adjust.
4230         (lto_symtab_get_identifier_decl): Remove.
4231         (lto_symtab_set_identifier_decl): Likewise.
4232         (lto_symtab_merge_decl): Rename to ...
4233         (lto_symtab_merge): ... this.  Rewrite.
4234         (lto_symtab_merge_var): Remove.
4235         (lto_symtab_merge_fn): Likewise.
4236         (lto_symtab_prevailing_decl): Adjust.
4237         (lto_cgraph_replace_node): New function.
4238         (lto_symtab_merge_decls_2): Likewise.
4239         (lto_symtab_merge_decls_1): Likewise.
4240         (lto_symtab_fixup_var_decls): Likewise.
4241         (lto_symtab_resolve_symbols): Likewise.
4242         (lto_symtab_merge_decls): Likewise.
4243         (lto_symtab_prevailing_decl): Adjust.
4244         (lto_symtab_get_symtab_def): Remove.
4245         (lto_symtab_get_file_data): Likewise.
4246         (lto_symtab_clear_resolution): Adjust.
4247         (lto_symtab_clear_resolution): Likewise.
4248         * lto-cgraph.c (input_edge): Do not merge cgraph nodes here.
4249         (input_cgraph_1): Likewise.
4250         * lto-streamer-in.c (get_resolution): Do not provide fake
4251         symbol resolutions here.
4252         (deferred_global_decls): Remove.
4253         (lto_register_deferred_decls_in_symtab): Likewise.
4254         (lto_register_var_decl_in_symtab): Change signature, register
4255         variable via lto_symtab_register_decl.
4256         (lto_register_function_decl_in_symtab): Likewise.
4257         (lto_read_tree): Adjust.
4258         * lto-streamer.h (lto_register_deferred_decls_in_symtab): Remove.
4259         (lto_symtab_merge_var): Likewise.
4260         (lto_symtab_merge_fn): Likewise.
4261         (lto_symtab_register_decl): Declare.
4262         (lto_symtab_merge_decls): Likewise.
4263
4264 2009-10-05  Richard Guenther  <rguenther@suse.de>
4265
4266         PR tree-optimization/23821
4267         * tree-vrp.c (vrp_finalize): Do not perform copy propagation.
4268         * tree-ssa-dom.c (cprop_operand): Do not propagate copies into
4269         simple IV increments.
4270
4271 2009-10-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4272
4273         * config/arm/arm.c (arm_override_options): Really initialize
4274         flag_dwarf2_cfi_asm to 0.
4275
4276 2009-10-05  Doug Kwan  <dougkwan@google.com>
4277
4278         PR rtl-optimization/41574
4279         * combine.c (distribute_and_simplify_rtx): Quit if RTX mode is
4280         floating point and we are not doing unsafe math optimizations.
4281
4282 2009-10-03  Simon Baldwin  <simonb@google.com>
4283             Cary Coutant  <ccoutant@google.com>
4284             Rafael Espindola  <espindola@google.com>
4285             Richard Guenther  <rguenther@suse.de>
4286             Jan Hubicka  <jh@suse.cz>
4287             Doug Kwan <dougkwan@google.com>
4288             H.J. Lu  <hongjiu.lu@intel.com>
4289             Bill Maddox  <maddox@google.com>
4290             Ryan Mansfield  <rmansfield@qnx.com>
4291             Diego Novillo  <dnovillo@google.com>
4292             Ollie Wild  <aaw@google.com>
4293             Kenneth Zadeck <zadeck@naturalbridge.com>
4294
4295         * lto-cgraph.c: New file.
4296         * lto-compress.c: New file.
4297         * lto-compress.h: New file.
4298         * lto-opts.c: New file.
4299         * lto-section-in.c: New file.
4300         * lto-section-out.c: New file.
4301         * lto-streamer-in.c: New file.
4302         * lto-streamer-out.c: New file.
4303         * lto-streamer.c: New file.
4304         * lto-streamer.h: New file.
4305         * lto-symtab.c: New file.
4306         * lto-wpa-fixup.c: New file.
4307         * lto-wrapper.c: New file.
4308
4309 2009-10-03  Simon Baldwin  <baldwin@google.com>
4310             Ben Elliston  <bje@au.ibm.com>
4311             Rafael Espindola  <espindola@google.com>
4312             Nathan Froyd  <froydnj@codesourcery.com>
4313             Jan Hubicka  <jh@suse.cz>
4314             Doug Kwan  <dougkwan@google.com>
4315             Diego Novillo  <dnovillo@google.com>
4316             Kenneth Zadeck  <zadeck@naturalbridge.com>
4317
4318         * Makefile.in (enable_lto): New.
4319         (site.exp): If @enable_lto@ is set to 'yes' define ENABLE_LTO.
4320         (LINKER_PLUGIN_API_H): Define.
4321         (LTO_SYMTAB_H): Define.
4322         (LTO_STREAMER_H): Define.
4323         (TREE_VECTORIZER_H): Define.
4324         (INCLUDES): Add LIBELFINC.
4325         (OBJS-common): Add lto-cgraph.o, lto-streamer-in.o,
4326         lto-streamer-out.o, lto-section-in.o, lto-section-out.o, lto-symtab.o,
4327         lto-opts.o, lto-streamer.o, lto-wpa-fixup.o, lto-compress.o.
4328         (MOSTLYCLEANFILES): Add lto-wrapper$(exeext)
4329         (native): Add lto-wrapper$(exeext)
4330         (lto-compress.o, lto-cgraph.o, lto-streamer-in.o,
4331         lto-streamer-out.o, lto-section-in.o, lto-section-out.o,
4332         lto-symtab.o, lto-opts.o, lto-streamer.o, lto-wpa-fixup.o): New rules.
4333         (gimple.o): Add dependency on LTO_HEADER_H and LTO_SECTION_OUT_H.
4334         (varasm.o): Add dependency on tree-iterator.h.
4335         (cgraph.o): Add dependency on cif-code.def.
4336         (ipa-reference.o): Add dependency on LTO_STREAMER_H.
4337         (ipa-pure-const.o): Likewise.
4338         (GTFILES): Add lto-symtab.c.
4339         (install-lto-wrapper): New.
4340         * configure.ac: If 'lto' is in enable_languages, define ENABLE_LTO
4341         and enable_lto.  If LIBELFLIBS is set, define HAVE_libelf.
4342         * config.in: Regenerate.
4343
4344 2009-10-03  Rafael Espindola  <espindola@google.com>
4345             Diego Novillo  <dnovillo@google.com>
4346
4347         * cgraphunit.c (ipa_passes): Prevent lto1 from calling
4348         ipa_write_summaries.
4349         Call execute_ipa_summary_passes for all_regular_ipa_passes and
4350         all_lto_gen_passes.
4351         (cgraph_optimize): Make extern.
4352
4353 2009-10-03  Nathan Froyd  <froydnj@codesourcery.com>
4354             Kenneth Zadeck <zadeck@naturalbridge.com>
4355
4356         * toplev.c (in_lto_p): Declare.
4357         * collect2.c (scan_prog_file): Read all the output when reading
4358         information for LTO.
4359         (enum lto_mode_d): Declare.
4360
4361 2009-10-03  Richard Guenther  <rguenther@suse.de>
4362             Diego Novillo  <dnovillo@google.com>
4363
4364         * gimple.c: Include target.h and alias.h.
4365         (gimple_types): Declare.
4366         (type_hash_cache): Declare.
4367         (gimple_alloc_stat): Make extern.
4368         (gimple_build_eh_must_not_throw): Call
4369         gimple_eh_must_not_throw_set_fndecl.
4370         (struct type_pair_d): Declare.
4371         (type_pair_t): Declare.
4372         (type_pair_hash): New.
4373         (type_pair_eq): New.
4374         (lookup_type_pair): New.
4375         (gimple_force_type_merge): New.
4376         (compare_type_names_p): New.
4377         (compare_field_offset): New.
4378         (gimple_types_compatible_p): New.
4379         (struct sccs): Declare.
4380         (next_dfs_num): Declare.
4381         (iterative_hash_gimple_type): New.
4382         (visit): New.
4383         (iterative_hash_type_name): New.
4384         (iterative_hash_gimple_type): New.
4385         (gimple_type_hash): New.
4386         (gimple_type_eq): New.
4387         (gimple_register_type): New.
4388         (print_gimple_types_stats): New.
4389         (gimple_signed_or_unsigned_type): New.
4390         (gimple_unsigned_type): New.
4391         (gimple_signed_type): New.
4392         (gimple_get_alias_set): New.
4393         (gimple_decl_printable_name): Do not use DMGL_TYPES.
4394         * gimple.h (gimple_alloc, gimple_alloc_stat): Declare.
4395         (gimple_force_type_merge): Declare.
4396         (gimple_types_compatible_p): Declare.
4397         (gimple_register_type): Declare.
4398         (print_gimple_types_stats): Declare.
4399         (gimple_unsigned_type): Declare.
4400         (gimple_signed_type): Declare.
4401         (gimple_get_alias_set): Declare.
4402         (gimple_eh_must_not_throw_set_fndecl): New.
4403
4404 2009-10-03  Jan Hubicka  <jh@suse.cz>
4405             Kenneth Zadeck <zadeck@naturalbridge.com>
4406
4407         * ipa-pure-const.c: Include lto-streamer.h.
4408         (register_hooks): Factor out of ...
4409         (generate_summary): ... here.
4410         (pure_const_write_summary): New.
4411         (pure_const_read_summary): New.
4412         (pass_ipa_pure_const): Add pure_const_write_summary and
4413         pure_const_read_summary.
4414         * ipa-reference.c: Include lto-streamer.h.
4415         (add_new_function): New.
4416         (remove_node_data): New.
4417         (duplicate_node_data): New.
4418         (ipa_init): Guard against multiple calls.
4419         Move hook setup from analyze_function.
4420         (write_node_summary_p): New.
4421         (ipa_reference_write_summary): New.
4422         (ipa_reference_read_summary): New.
4423         (pass_ipa_reference): Add ipa_reference_write_summary and
4424         ipa_reference_read_summary.
4425         * cgraph.h (cgraph_local_info): Add field lto_file_data.
4426         (struct cgraph_edge): Add fields lto_stmt_uid and
4427         call_stmt_cannot_inline_p.
4428         (cgraph_optimize): Declare.
4429         (cgraph_decide_is_function_needed): Declare.
4430         (reset_inline_failed): Declare.
4431         (enum LTO_cgraph_tags): Declare.
4432         (LTO_cgraph_tag_names): Declare.
4433         (LCC_NOT_FOUND): Define.
4434
4435 2009-10-03  Doug Kwan  <dougkwan@google.com>
4436             Rafael Espindola  <espindola@google.com>
4437             Jan Hubicka  <jh@suse.cz>
4438             Diego Novillo  <dnovillo@google.com>
4439             Kenneth Zadeck  <zadeck@naturalbridge.com>
4440
4441         * passes.c (all_regular_ipa_passes): New.
4442         (all_ipa_passes): Rename to all_small_ipa_passes.
4443         (init_optimization_passes): Init all_regular_ipa_passes.
4444         * tree-pass.h (all_regular_ipa_passes): New.
4445         (all_ipa_passes): Rename to all_small_ipa_passes.
4446         * passes.c (all_lto_gen_passes): New.
4447         (init_optimization_passes): Initialize all_lto_gen_passes.
4448         (execute_ipa_summary_passes): Make non-static.
4449         (ipa_write_summaries_1): New.
4450         (ipa_write_summaries_2): New.
4451         (ipa_write_summaries): New.
4452         (ipa_write_summaries_of_cgraph_node_set): New.
4453         (ipa_read_summaries_1): New.
4454         (ipa_read_summaries): New.
4455         (execute_ipa_pass_list): Call cgraph_process_new_functions.
4456         (execute_regular_ipa_pass_list): Remove.
4457         (init_optimization_passes): Schedule
4458         pass_rebuild_cgraph_edges and pass_early_inline outside
4459         of pass_all_early_optimizations.  Document reason.
4460         (pass_ipa_lto_gimple_out, pass_ipa_lto_wpa_fixup,
4461         pass_ipa_lto_finish_out): New pass.
4462         (pass_ipa_summary_passes): Start and stop timers if the pass has them.
4463         (execute_all_ipa_transforms): New.
4464         (execute_one_pass): Don't call execute_one_ipa_transform_pass.
4465         (dump_properties, debug_properties): New.
4466         * tree-optimize.c (gate_all_early_local_passes): Return
4467         false if we are in lto1.
4468         (tree_rest_of_compilation): Call execute_all_ipa_transforms.
4469         * tree-pass.h (execute_all_ipa_transforms): Declare.
4470         (pass_ipa_function_and_variable_visibility): Declare.
4471         (pass_ipa_early_inline): Declare.
4472         (pass_ipa_lto_gimple_out): Declare.
4473         (pass_ipa_lto_wpa_fixup): Declare.
4474         (pass_ipa_lto_finish_out): Declare.
4475         (all_small_ipa_passes, all_regular_ipa_passes,
4476         all_lto_gen_passes): Declare.
4477         (execute_ipa_summary_passes): Declare.
4478         (execute_all_ipa_transforms): Declare.
4479         (ipa_write_summaries): Declare
4480         (ipa_write_summaries_of_cgraph_node_set): Declare.
4481         (ipa_read_summaries): Declare.
4482
4483 2009-10-03  Doug Kwan  <dougkwan@google.com>
4484             Ollie Wild  <aaw@google.com>
4485
4486         * ipa-prop.c (ipa_propagate_indirect_call_infos): Do nothing in WPA.
4487
4488         * collect2.c (LTO_MODE_NONE, LTO_MODE_LTO, LTO_MODE_WPA): New enums.
4489         (lto_mode): New variable.
4490         (maybe_run_lto_and_relink): Handle the -fwpa option.
4491         (main): Handle the -fwpa option.
4492         (maybe_unlink_list): New function.
4493         * gcc.c (link_lto_options): Replace -flto with -fwpa.
4494         * common.opt (flto): New flag.
4495         * toplev.c (flag_generate_lto): Declare.
4496
4497 2009-10-03  Simon Baldwin  <simonb@google.com>
4498
4499         * common.opt (flto-compression-level): New flag.
4500
4501         * opts.c: Include lto-opts.h.
4502         (handle_option): Call lto_register_user_option for each
4503         valid option handled.
4504         (decode_options): Clear registered options before the options
4505         handling loop.
4506
4507 2009-10-03  Cary Coutant  <ccoutant@google.com>
4508
4509         * collect2.c (is_elf): New function.
4510         (scan_prog_file): Require LTO object to be in ELF format.
4511
4512 2009-10-03  Rafael Espindola  <espindola@google.com>
4513
4514         * gcc.c (LINK_COMMAND_SPEC): Use the -pass-through option to pass
4515         libgcc to the linker.
4516
4517         * ipa-cp.c (cgraph_gate_cp): Return false if LTRANS is running.
4518
4519         * collect2.c (maybe_run_lto_and_relink): Execute lto-wrapper.
4520         (collect_execute): Add flags argument. Pass flags to pex_run. Update
4521         all callers.
4522         * collect2.h (collect_execute): Add flags argument.
4523         * tlink.c (tlink_execute): Update call to collect_execute.
4524         * gcc.c (main): Set the COLLECT_LTO_WRAPPER environment variable.
4525         (use_linker_plugin): New.
4526         (use_linker_plugin_spec_function): New.
4527         (LINK_COMMAND_SPEC): Pass plugin options to the linker.
4528         (linker_plugin_file_spec): New.
4529         (lto_wrapper_spec): New.
4530         (lto_gcc_spec): New.
4531         (static_specs): Add linker_plugin_file, lto_wrapper and lto_gcc.
4532         (static_spec_functions): Add use-linker-plugin.
4533         (process_command): Handle -use-linker-plugin.
4534         (main): Use lto_wrapper_spec instead of lto_wrapper. Set
4535         linker_plugin_file_spec and lto_gcc_spec.
4536         (use_linker_plugin_spec_function): New.
4537
4538 2009-10-03  Richard Guenther  <rguenther@suse.de>
4539
4540         PR lto/41547
4541         PR lto/41548
4542         * tree.h (is_lang_specific): Include LANG_TYPE.
4543         * tree.c (find_decls_types_r): Manually add interesting parts
4544         of TYPE_FIELDS.  Walk BINFO_VIRTUALS.  Do not walk TYPE_METHODS.
4545
4546         * gimple.c (type_pair_hash): Make symmetric.
4547         (type_pair_eq): Likewise.
4548         (lookup_type_pair): Increase initial hashtable size.
4549         (gimple_force_type_merge): Rely on type-pair symmetry.
4550         (visit): Remove excessive checking code.
4551         (iterative_hash_type_name): Do not hash TYPE_NAME of anonymous unions.
4552         (gimple_register_type): Remove getenv calls, shrink initial
4553         hashtable size.
4554
4555         PR middle-end/41502
4556         * cgraphunit.c (ipa_passes): Do not remove bodies of extern
4557         inline functions if not generating lto output.
4558
4559         PR lto/41379
4560         * toplev.c (finalize): In WPA mode remove the asm file.
4561
4562 2009-10-03  Doug Kwan  <dougkwan@google.com>
4563
4564         * ipa-inline.c (cgraph_mark_inline): Check
4565         edge->call_stmt_cannot_inline_p instead of calling
4566         gimple_call_cannot_inline_p.
4567         (cgraph_decide_inlining): Do nothing in WPA and LTRANS.
4568         (cgraph_gate_ipa_early_inlining): Return false if in_lto_p is set.
4569         (inline_generate_summary): Do nothing in LTRANS.
4570         * cgraph.c (initialize_inline_failed): Make sure e->call_stmt
4571         exists before calling gimple_call_cannot_inline_p.
4572         (cgraph_create_edge): Set edge->call_stmt_cannot_inline_p.
4573         (cgraph_clone_edge): Add argument STMT_UID.  Modify all callers.
4574         Update new_edge->lto_stmt_uid.
4575         * cgraphbuild.c (reset_inline_failed): New.
4576
4577         * common.opt (fwpa): New flag.
4578         (fltrans): New option.
4579         * gcc.c (gcc_lto_option_t): New type.
4580         (current_lto_option): New variable.
4581         (lto_single_spec_function): Remove and is replaced by ..
4582         (lto_option_spec_function): New function.
4583         (LINK_COMMAND_SPEC): Use link_lto_option spec instead of just
4584         passing the -flto flag.
4585         (cc1_options): Separate non-LTO related parts into ..
4586         (cc1_non_lto_options): Non-LTO related options shared by all FEs.
4587         (lto1_options): New spec for lto FE.
4588         (link_lto_options): New spec for handling LTO flags in linker.
4589         (invoke_lto_single): Re-format to fit in 80 column.  Replace
4590         lto-single with lto-option.
4591         (static_specs): Add cc1_non_lto_options, lto1_options and
4592         link_lto_options.
4593         (static_spec_function): Replace lto-single with lto-option.
4594         (process_command): Handle -flto, -fwpa and -fltran by setting
4595         current_lto_option and not passing it to subprocess unconditionally.
4596
4597 2009-10-03  Bill Maddox  <maddox@google.com>
4598
4599         Add `gcc' driver support for link-time code generation (LTO).
4600
4601         * collect2.c (enum pass): Add new literal PASS_LTOINFO.
4602         (lto_flag, lto_objects, lto_o_file): New variables.
4603         (struct lto_object, struct lto_object_list): New structures.
4604         (collect_exit, handler): Remove LTO temporary output file on exit.
4605         (add_lto_object): New function.
4606         (maybe_run_lto_and_relink): New function. Perform link time code
4607         generation and relinking for object files containing LTO information.
4608         (main): Invoke maybe_run_lto_and_relink().
4609         (dump_argv): New function.  For debugging, currently disabled.
4610         (scan_prog_file): Add LTO information pass.
4611         * gcc.c (LINK_COMMAND_SPEC): Pass `-flto' switch to linker, i.e.,
4612         collect2.
4613         * toplev.c (compile_file): Emit assembler directive to create
4614         the `gnu_lto_v1' marker symbol when compiling with `-flto'.
4615
4616 2009-10-03  Diego Novillo  <dnovillo@google.com>
4617
4618         * c.opt: Add LTO to warn_abi and warn_psabi.
4619
4620         * tree.c (fld_worklist_push): Rename from PUSH.  Convert to static
4621         inline function.  Ignore language-specific nodes.  Update all users.
4622         (find_decls_types_r): Do not traverse the subtrees of
4623         language-specific nodes.  Do not traverse DECL_INITIAL for TYPE_DECLs.
4624         * tree.h (is_lang_specific): New.
4625         * langhooks.h (struct lang_hooks_for_decls): Remove
4626         may_need_assembler_name_p.  Update all users.
4627
4628         * c-common.c (set_builtin_user_assembler_name): Move ...
4629         * builtins.c (set_builtin_user_assembler_name): ... here.
4630         (is_builtin_name): Add comment
4631         (is_builtin_fn): New.
4632         * except.c (output_ttype): Only call
4633         lookup_type_for_runtime if TYPE is not a runtime type.
4634
4635         * passes.c (register_pass): Call position_pass on
4636         all_small_ipa_passes, all_regular_ipa_passes and all_lto_gen_passes.
4637         * timevar.def (TV_IPA_LTO_GIMPLE_IO): Define.
4638         (TV_IPA_LTO_DECL_IO): Define.
4639         (TV_IPA_LTO_CGRAPH_IO): Define.
4640         (TV_LTO): Define.
4641         (TV_WHOPR_WPA): Define.
4642         (TV_WHOPR_WPA_IO): Define.
4643         (TV_WHOPR_LTRANS): Define.
4644         (TV_WHOPR_WPA_FIXUP): Define.
4645         (TV_WHOPR_WPA_LTRANS_EXEC): Define.
4646         * tree-cfg.c (tree_node_can_be_shared): Make extern.
4647         * tree-flow.h (tree_node_can_be_shared): Declare.
4648         * tree-inline.c (tree_can_inline_p): Check that E has a
4649         statement associated with it.
4650         * tree.c (free_lang_data_in_binf): Factor out of ...
4651         (free_lang_data_in_type): ... here.
4652         Call RECORD_OR_UNION_TYPE_P.
4653         (need_assembler_name_p): Ignore DECL if it does not have TREE_PUBLIC
4654         set.  Call lang_hooks.decls.may_need_assembler_name_p if set.
4655         (free_lang_data_in_decl): Do not clear DECL_CONTEXT for CONST_DECLs.
4656         (free_lang_data): Set debug_info_level to DINFO_LEVEL_NONE.  Set
4657         write_symbols to NO_DEBUG.  Set debug_hooks to do_nothing_debug_hooks.
4658         (gate_free_lang_data): Return true if flag_generate_lto is set.
4659         (walk_tree_1): Call RECORD_OR_UNION_TYPE_P.
4660         * c-common.h (set_builtin_user_assembler_name): Move ...
4661         * tree.h (set_builtin_user_assembler_name): ... here.
4662
4663         * common.opt (flto-report): New flag.
4664         * opts.c (complain_wrong_lang): Do not complain if running lto1.
4665         * collect2.c (scan_prog_file): Send the error output of
4666         'nm' to HOST_BIT_BUCKET.
4667
4668 2009-10-03  Ollie Wild  <aaw@google.com>
4669
4670         * langhooks-def.h (lhd_begin_section): New function declaration.
4671         (lhd_write_section): New function declaration.
4672         (lhd_end_section): New function declaration.
4673         (LANG_HOOKS_BEGIN_SECTION): New macro.
4674         (LANG_HOOKS_WRITE_SECTION_DATA): New macro.
4675         (LANG_HOOKS_END_SECTION): New macro.
4676         (LANG_HOOKS_LTO): New macro.
4677         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_LTO.
4678         * langhooks.c (output.h): Add include.
4679         (saved_section): New static variable.
4680         (lhd_begin_section): New function.
4681         (lhd_write_section_data): New function.
4682         (lhd_end_section): New function.
4683         * langhooks.h (struct lang_hooks_for_lto): New structure.
4684         (struct lang_hooks): Add member lto.
4685         * Makefile.in (langhooks.o): Add dependency on output.h.
4686
4687         * c-opts.c (c_common_post_options): Handle -flto and -fwhopr.
4688
4689 2009-10-03  Richard Guenther  <rguenther@suse.de>
4690
4691         * config/rs6000/rs6000.c (rs6000_output_function_epilogue):
4692         Handle LTO.
4693
4694 2009-10-03  Simon Baldwin  <simonb@google.com>
4695             Richard Guenther  <rguenther@suse.de>
4696             Janis Johnson  <janis187@us.ibm.com>
4697             Doug Kwan  <dougkwan@google.com>
4698             Diego Novillo  <dnovillo@google.com>
4699             Ramana Radhakrishnan  <ramana.r@gmail.com>
4700             Ollie Wild  <aaw@google.com>
4701
4702         * doc/install.texi: Add documentation for libelf and --enable-lto.
4703         * doc/invoke.texi: Document -fwpa, -flto, -fwhopr, -fltrans,
4704         -flto-report, -flto-compression-level and -use-linker-plugin.
4705         * doc/sourcebuild.texi: Document use of zlib.  Document lto-plugin.
4706         Add section for LTO Testing.
4707
4708 2009-10-02  Cary Coutant  <ccoutant@google.com>
4709
4710         Add support for comdat type sections for DWARF v4.
4711         Merge from dwarf4 branch.
4712
4713         * dwarf2out.c (DWARF_TYPE_SIGNATURE_SIZE): New constant.
4714         (dw_die_ref): Define vector type.
4715         (enum dw_val_class): Add dw_val_class_data8.
4716         (struct dw_val_struct): Add v.val_data8.
4717         (comdat_type_node_ref): New type.
4718         (struct die_struct): Move die_symbol into a union; add new field
4719         die_type_node.  Change all uses.
4720         (comdat_type_node): New type.
4721         (skeleton_chain_node): New type.
4722         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): New constant.
4723         (comdat_type_list): New variable.
4724         (dwarf_tag_name): Add DW_TAG_type_unit.
4725         (dwarf_attr_name): Add DW_AT_signature.
4726         (add_AT_data8): New function.
4727         (replace_child): New function.
4728         (move_all_children): New function.
4729         (print_signature): New function.
4730         (print_die): Print signature information; add dw_val_class_data8.
4731         (attr_checksum): Support dw_val_class_data8.
4732         (CHECKSUM_STRING): Redefine for DWARF-4 to include trailing NULL byte.
4733         (CHECKSUM_SLEB128, CHECKSUM_ULEB128): New macros.
4734         (checksum_sleb128, checksum_uleb128): New functions.
4735         (checksum_die_context): New function.
4736         (loc_checksum_ordered): New function.
4737         (attr_checksum_ordered): New function.
4738         (struct checksum_attributes): New structure.
4739         (collect_checksum_attributes): New function.
4740         (die_checksum_ordered): New function.
4741         (generate_type_signature): New function.
4742         (same_dw_val_p): Add dw_val_class_data8.
4743         (is_symbol_die): Use new is_declaration_die function.
4744         (is_declaration_die): New function.
4745         (should_move_die_to_comdat): New function.
4746         (clone_die): New function.
4747         (clone_tree): New function.
4748         (clone_as_declaration): New function.
4749         (copy_declaration_context): New function.
4750         (generate_skeleton_ancestor_tree): New function.
4751         (generate_skeleton_bottom_up): New function.
4752         (generate_skeleton): New function.
4753         (remove_child_or_replace_with_skeleton): New function.
4754         (break_out_comdat_types): New function.
4755         (struct decl_table_entry): New type.
4756         (htab_decl_hash): New function.
4757         (htab_decl_eq): New function.
4758         (htab_decl_del): New function.
4759         (copy_ancestor_tree): New function.
4760         (copy_decls_walk): New function.
4761         (copy_decls_for_unworthy_types): New function.
4762         (build_abbrev_table): Don't assert on missing die_symbol when doing
4763         comdat type sections.
4764         (size_of_die): Use DW_FORM_sig8 for external references.  Add
4765         dw_val_class_data8.
4766         (unmark_dies): Don't assert for unmarked dies when doing comdat
4767         type sections.
4768         (value_format): Support DW_FORM_sig8 and dw_val_class_data8.
4769         (output_signature): New function.
4770         (output_die): Likewise.
4771         (output_compilation_unit_header): Mark output as DWARF version 3
4772         even if generating DWARF 4.
4773         (output_comdat_type_unit): New function.
4774         (output_line_info): Mark output as DWARF version 3 even if generating
4775         DWARF 4.
4776         (dwarf2out_start_source_file): Don't do eliminate_dwarf2_dups with
4777         DWARF-4.
4778         (dwarf2out_end_source_file): Likewise.
4779         (prune_unused_types_walk_attribs): Don't follow references into
4780         comdat type sections.
4781         (prune_unused_types_mark): When generating type units, do not mark
4782         children of non-defining declarations of types; do mark children of
4783         type entries.
4784         (prune_unused_types): Process comdat type sections.
4785         (htab_ct_hash): New function.
4786         (htab_ct_eq): New function.
4787         (dwarf2out_finish): Move types to comdat sections when using DWARF-4.
4788         Add a pointer to the line table from type unit entries so
4789         DW_AT_decl_file has meaning.
4790         * varasm.c (default_elf_asm_named_section): Use identifier name as
4791         comdat key instead of lang hook.
4792
4793 2009-10-02  Neil Vachharajani  <nvachhar@google.com>
4794
4795         * gcov-io.c (gcov_open): Open files read-only when MODE < 0.
4796
4797 2009-10-02  Uros Bizjak  <ubizjak@gmail.com>
4798
4799         * config/i386/i386.md (SWIM248): New mode iterator.
4800         (divmod<mode>4) Macroize expander from divmoddi4, divmodsi4 and
4801         divmodhi4 patterns using SWIM248 macro.
4802         (*divmod<mode>4): Macroize insn_and_split pattern from
4803         *divmoddi4_cltd_rex64, *divmodsi4_cltd and divmodhi4 insn patterns
4804         and their corresponding splitters usign SWIM248 macro.  Split SImode
4805         insn to generate cltd and DImode insn to generate cqto instead of
4806         move+shift when optimizing for size or TARGET_USE_CLTD is in effect.
4807         (*divmoddi4_nocltd_rex64, *divmodsi4_nocltd): Remove insn patterns.
4808         (*divmod<mode>4_noext): Macroize insn from *divmoddi_noext_rex64 and
4809         *divmodsi_noext patterns using SWIM248 macro.
4810         (udivmod<mode>4): Macroize expander from udivmoddi4, udivmodsi4 and
4811         udivmodhi4 patterns using SWIM248 macro.
4812         (*udivmod<mode>4): Macroize insn_and_split pattern from
4813         *udivmoddi4, udivmodsi4 and udivmodhi4 patterns and their
4814         corresponding splitters using SWIM248 macro.
4815         (*udivmod<mode>4_noext): Macroize insn from *udivmoddi4_noext,
4816         *udivmodsi4_noext and *udivmodhi_noext patterns using SWIM248 macro.
4817
4818 2009-10-02  Eric Botcazou  <ebotcazou@adacore.com>
4819
4820         * stor-layout.c (layout_type) <ARRAY_TYPE>: Make sure that an array
4821         of zero-sized element is zero-sized regardless of its extent.
4822
4823 2009-10-02  Jakub Jelinek  <jakub@redhat.com>
4824
4825         PR debug/40521
4826         * configure.ac (HAVE_GAS_CFI_SECTIONS_DIRECTIVE): New test.
4827         * configure: Regenerated.
4828         * config.in: Regenerated.
4829         * dwarf2out.c (dwarf2out_do_cfi_asm): Return false if
4830         !HAVE_GAS_CFI_SECTIONS_DIRECTIVE and not emitting .eh_frame.
4831         (dwarf2out_init): If HAVE_GAS_CFI_SECTIONS_DIRECTIVE and
4832         not emitting .eh_frame, emit .cfi_sections .debug_frame
4833         directive.
4834
4835         PR debug/41404
4836         PR debug/41353
4837         * cfgexpand.c (expand_debug_expr) <case STRING_CST>: Don't create
4838         CONST_STRING if STRING_CST contains embedded '\0's or doesn't end
4839         with '\0'.
4840         (expand_debug_expr) <case VAR_DECL>: For TREE_STATIC !DECL_EXTERNAL
4841         vars use DECL_RTL with resetting it back to NULL afterwards.
4842         * dwarf2out.c (same_dw_val_p): For dw_val_class_addr compare with
4843         rtx_equal_p instead of asserting it is a SYMBOL_REF.
4844         (value_format): For dw_val_class_addr only use DW_FORM_addr if
4845         the attribute type allows it, otherwise use DW_FORM_dataN.
4846         (mem_loc_descriptor): Handle CONST_STRING.
4847         (add_const_value_attribute): Handle CONST_STRING using add_AT_addr.
4848         Handle MEM with CONST_STRING address using add_AT_string.
4849         (rtl_for_decl_init): Return MEM with CONST_STRING address instead of
4850         CONST_STRING for const arrays initialized with a string literal.
4851         (resolve_one_addr, resolve_addr_in_expr, resolve_addr): New functions.
4852         (dwarf2out_finish): Call resolve_addr.
4853
4854 2009-10-02  Andreas Schwab  <schwab@linux-m68k.org>
4855             Maxim Kuvyrkov  <maxim@codesourcery.com>
4856
4857         * config/m68k/lb1sf68.asm (PICCALL): Use variable sized branch.
4858
4859 2009-10-02  Nick Clifton  <nickc@redhat.com>
4860
4861         * config/mn10300/mn10300.h (USER_LABEL_PREFIX): Define.
4862         (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
4863
4864 2009-10-01  Jan Hubicka  <jh@suse.cz>
4865
4866         * cgraph.c (cgraph_clone_node): Add redirect_callers parameter.
4867         (cgraph_create_virtual_clone): Just pass redirect_callers
4868         around.
4869         * cgraph.h (cgraph_clone_node): Update prototype.
4870         * ipa-pure-const.c (self_recursive_p): New function.
4871         (propagate): Use it.
4872         * ipa-inline.c (cgraph_clone_inlined_nodes,
4873         cgraph_decide_recursive_inlining): Update.
4874
4875 2009-10-01  David Daney  <ddaney@caviumnetworks.com>
4876
4877         * gcc/config/mips/mips.c (mips_process_sync_loop) Emit syncw
4878         instructions for TARGET_OCTEON.
4879
4880 2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4881
4882         * config/arm/arm.c (arm_override_options): Turn off
4883         flag_dwarf2_cfi_asm for AAPCS variants.
4884
4885 2009-10-01  Martin Jambor  <mjambor@suse.cz>
4886
4887         PR middle-end/12392
4888         * tree-sra.c (convert_callers): Do not call
4889         compute_inline_parameters on one caller more than once.
4890
4891 2009-10-01  Nick Clifton  <nickc@redhat.com>
4892
4893         * config/vax/netbsd-elf.h (NETBSD_CC1_AND_CC1PLUS_SPEC): Define as
4894         an empty string if not already defined.
4895
4896 2009-10-01  Martin Jambor  <mjambor@suse.cz>
4897
4898         PR bootstrap/41395
4899         * tree-sra.c (is_va_list_type): New function.
4900         (find_var_candidates): Call is_va_list_type.
4901         (find_param_candidates): Check that the type or the type pointed
4902         to are not va_list types.
4903
4904 2009-10-01  Martin Jambor  <mjambor@suse.cz>
4905
4906         PR c++/41503
4907         * cp/pt.c (function_parameter_expanded_from_pack_p): Return false if
4908         DECL_ARTIFICIAL (param_decl) is true.
4909
4910 2009-09-30  Gabriel Dos Reis  <gdr@cs.tamu.edu>
4911
4912         * tree.h (tree_decl_common::lang_flag_8): New.
4913         * c-common.c (c_common_reswords): Include "constexpr" as C++0x
4914         keyword.
4915         * c-common.h (RID_CONSTEXPR): New.
4916
4917 2009-09-30  Uros Bizjak  <ubizjak@gmail.com>
4918
4919         * config/alpha/alpha.c (alpha_gimplify_va_arg_1):
4920         Use ref-all pointers.
4921         (alpha_gimplify_va_arg): Ditto.
4922
4923 2009-09-30  Jakub Jelinek  <jakub@redhat.com>
4924
4925         PR target/41279
4926         * cfgloopanal.c (num_loop_insns): Don't increment ninsns for each bb
4927         before insn counting loop now that BB_END (bb) is counted.  Ensure
4928         the return value isn't zero.
4929
4930 2009-09-30  Nick Clifton  <nickc@redhat.com>
4931
4932         * config.gcc (sh-symbianelf): Replace definition of extra_objs
4933         with separate definitions of c_target_objs and cxx_target_objs.
4934         * config/sh/t-sh: Add rules to build symbian-cxx.o, symbian-c.o
4935         and symbian-base.o.
4936         * config/sh/sh.c (TARGET_CXX_INPUT_EXPORT_CLASS): Use
4937         sh_symbian_import_export_class.
4938         * config/sh/sh-protos.h: Fix names of exported symbian functions.
4939         * config/sh/symbian.c: Delete, moving code into...
4940         * config/sh/symbian-base.c: ... here
4941         * config/sh/symbian-c.c: ... and here
4942         * config/sh/symbian-cxx.c: ... and here.
4943
4944 2009-09-30  Uros Bizjak  <ubizjak@gmail.com>
4945
4946         PR target/22093
4947         * config/alpha/alpha.md (unaligned_storehi_be): Force operand
4948         of plus RTX into register.
4949
4950 2009-09-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4951
4952         * doc/install.texi: Linguistic and markup fixes.
4953         (Configuration) <--disable-cpp>: Remove description.
4954         <--enable-maintainer-mode>: Autotools files are affected, too.
4955         <--with-sysroot>: Improve description.
4956         (Building): Bump required GNU make version.
4957
4958 2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>
4959
4960         * config.gcc (i[34567]86-*-*): Include fma4intrin.h.
4961         (x86_64-*-*): Ditto.
4962
4963         * config/i386/fma4intrin.h: New file, provide common x86 compiler
4964         intrinisics for FMA4.
4965         * config/i386/cpuid.h (bit_FMA4): Define FMA4 bit.
4966         * config/i386/x86intrin.h: Fix typo to SSE4A instead of SSE4a.
4967         Add FMA4 check and fma4intrin.h.
4968         * config/i386/i386-c.c(ix86_target_macros_internal): Check
4969         ISA_FLAG for FMA4.
4970         * config/i386/i386.h(TARGET_FMA4): New macro for FMA4.
4971         * config/i386/i386.md (UNSPEC_FMA4_INTRINSIC): Add new UNSPEC
4972         constant for FMA4 support.
4973         (UNSPEC_FMA4_FMADDSUB): Ditto.
4974         (UNSPEC_FMA4_FMSUBADD): Ditto.
4975         * config/i386/i386.opt (-mfma4): New switch for FMA4 support.
4976         * config/i386/i386-protos.h (ix86_fma4_valid_op_p): Add declaration.
4977         (ix86_expand_fma4_multiple_memory): Ditto.
4978         * config/i386/i386.c (OPTION_MASK_ISA_FMA4_SET): New.
4979         (OPTION_MASK_ISA_FMA4_UNSET): New.
4980         (OPTION_MASK_ISA_SSE4A_UNSET): Change definition to depend on FMA4.
4981         (OPTION_MASK_ISA_AVX_UNSET): Change definition to depend on FMA4.
4982         (ix86_handle_option): Handle -mfma4.
4983         (isa_opts): Handle -mfma4.
4984         (enum pta_flags): Add PTA_FMA4.
4985         (override_options): Add FMA4 support.
4986         (IX86_BUILTIN_VFMADDSS): New for FMA4 intrinsic.
4987         (IX86_BUILTIN_VFMADDSD): Ditto.
4988         (IX86_BUILTIN_VFMADDPS): Ditto.
4989         (IX86_BUILTIN_VFMADDPD): Ditto.
4990         (IX86_BUILTIN_VFMSUBSS): Ditto.
4991         (IX86_BUILTIN_VFMSUBSD): Ditto.
4992         (IX86_BUILTIN_VFMSUBPS): Ditto.
4993         (IX86_BUILTIN_VFMSUBPD): Ditto.
4994         (IX86_BUILTIN_VFMADDSUBPS): Ditto.
4995         (IX86_BUILTIN_VFMADDSUBPD): Ditto.
4996         (IX86_BUILTIN_VFMSUBADDPS): Ditto.
4997         (IX86_BUILTIN_VFMSUBADDPD): Ditto.
4998         (IX86_BUILTIN_VFNMADDSS): Ditto.
4999         (IX86_BUILTIN_VFNMADDSD): Ditto.
5000         (IX86_BUILTIN_VFNMADDPS): Ditto.
5001         (IX86_BUILTIN_VFNMADDPD): Ditto.
5002         (IX86_BUILTIN_VFNMSUBSS): Ditto.
5003         (IX86_BUILTIN_VFNMSUBSD): Ditto.
5004         (IX86_BUILTIN_VFNMSUBPS): Ditto.
5005         (IX86_BUILTIN_VFNMSUBPD): Ditto.
5006         (IX86_BUILTIN_VFMADDPS256): Ditto.
5007         (IX86_BUILTIN_VFMADDPD256): Ditto.
5008         (IX86_BUILTIN_VFMSUBPS256): Ditto.
5009         (IX86_BUILTIN_VFMSUBPD256): Ditto.
5010         (IX86_BUILTIN_VFMADDSUBPS256): Ditto.
5011         (IX86_BUILTIN_VFMADDSUBPD256): Ditto.
5012         (IX86_BUILTIN_VFMSUBADDPS256): Ditto.
5013         (IX86_BUILTIN_VFMSUBADDPD256): Ditto.
5014         (IX86_BUILTIN_VFNMADDPS256): Ditto.
5015         (IX86_BUILTIN_VFNMADDPD256): Ditto.
5016         (IX86_BUILTIN_VFNMSUBPS256): Ditto.
5017         (IX86_BUILTIN_VFNMSUBPD256): Ditto.
5018         (enum multi_arg_type): New enum for describing the various FMA4
5019         intrinsic argument types.
5020         (bdesc_multi_arg): New table for FMA4 intrinsics.
5021         (ix86_init_mmx_sse_builtins): Add FMA4 intrinsic support.
5022         (ix86_expand_multi_arg_builtin): New function for creating FMA4
5023         intrinsics.
5024         (ix86_expand_builtin): Add FMA4 intrinsic support.
5025         (ix86_fma4_valid_op_p): New function to validate FMA4 3 and 4
5026         operand instructions.
5027         (ix86_expand_fma4_multiple_memory): New function to split the
5028         second memory reference from FMA4 instructions.
5029         * config/i386/sse.md (ssemodesuffixf4): New mode attribute for FMA4.
5030         (ssemodesuffixf2s): Ditto.
5031         (fma4_fmadd<mode>4): Add FMA4 floating point multiply/add
5032         instructions.
5033         (fma4_fmsub<mode>4): Ditto.
5034         (fma4_fnmadd<mode>4): Ditto.
5035         (fma4_fnmsub<mode>4): Ditto.
5036         (fma4_vmfmadd<mode>4): Ditto.
5037         (fma4_vmfmsub<mode>4): Ditto.
5038         (fma4_vmfnmadd<mode>4): Ditto.
5039         (fma4_vmfnmsub<mode>4): Ditto.
5040         (fma4_fmadd<mode>4256): Ditto.
5041         (fma4_fmsub<mode>4256): Ditto.
5042         (fma4_fnmadd<mode>4256): Ditto.
5043         (fma4_fnmsub<mode>4256): Ditto.
5044         (fma4_fmaddsubv8sf4): Ditto.
5045         (fma4_fmaddsubv4sf4): Ditto.
5046         (fma4_fmaddsubv4df4): Ditto.
5047         (fma4_fmaddsubv2df4): Ditto.
5048         (fma4_fmsubaddv8sf4): Ditto.
5049         (fma4_fmsubaddv4sf4): Ditto.
5050         (fma4_fmsubaddv4df4): Ditto.
5051         (fma4_fmsubaddv2df4): Ditto.
5052         (fma4i_fmadd<mode>4): Add FMA4 floating point multiply/add
5053         instructions for intrinsics.
5054         (fma4i_fmsub<mode>4): Ditto.
5055         (fma4i_fnmadd<mode>4): Ditto.
5056         (fma4i_fnmsub<mode>4): Ditto.
5057         (fma4i_vmfmadd<mode>4): Ditto.
5058         (fma4i_vmfmsub<mode>4): Ditto.
5059         (fma4i_vmfnmadd<mode>4): Ditto.
5060         (fma4i_vmfnmsub<mode>4): Ditto.
5061         (fma4i_fmadd<mode>4256): Ditto.
5062         (fma4i_fmsub<mode>4256): Ditto.
5063         (fma4i_fnmadd<mode>4256): Ditto.
5064         (fma4i_fnmsub<mode>4256): Ditto.
5065         (fma4i_fmaddsubv8sf4): Ditto.
5066         (fma4i_fmaddsubv4sf4): Ditto.
5067         (fma4i_fmaddsubv4df4): Ditto.
5068         (fma4i_fmaddsubv2df4): Ditto.
5069         (fma4i_fmsubaddv8sf4): Ditto.
5070         (fma4i_fmsubaddv4sf4): Ditto.
5071         (fma4i_fmsubaddv4df4): Ditto.
5072         (fma4i_fmsubaddv2df4): Ditto.
5073
5074         * doc/invoke.texi (-mfma4): Add documentation.
5075         * doc/extend.texi (x86 intrinsics): Add FMA4 intrinsics.
5076
5077 2009-09-29  Richard Henderson  <rth@redhat.com>
5078
5079         * tree-eh.c (unsplit_eh): Do not unsplit if there's already
5080         an edge to the new destination block.
5081
5082 2009-09-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5083
5084         PR target/41393
5085         * pa.c (hppa_profile_hook): Use
5086         make_reg_eh_region_note_nothrow_nononlocal to add REG_EH_REGION note.
5087
5088 2009-09-29  Steve Ellcey  <sje@cup.hp.com>
5089             Alexander Monakov  <amonakov@ispras.ru>
5090
5091         PR target/41365
5092         * config/ia64/predicates.md (not_postinc_destination_operand): New.
5093         (not_postinc_memory_operand): New.
5094         (not_postinc_move_operand): New.
5095         * config/ia64/ia64.md (*cmovdi_internal): Disallow autoincrement.
5096         (*cmovsi_internal): Ditto.
5097
5098 2009-09-29  Pat Haugen  <pthaugen@us.ibm.com>
5099
5100         * config/rs6000/rs6000.c (rs6000_issue_rate): Don't artificially
5101         restrict issue_rate in first pass when scheduling for register
5102         pressure.
5103
5104 2009-09-29  Basile Starynkevitch  <basile@starynkevitch.net>
5105             Rafael Avila de Espindola  <espindola@google.com>
5106
5107         * gengtype.c (plugin_output): New.
5108         (get_output_file_with_visibility): Return plugin_output for plugins.
5109         (main): Parse and use the -P option.
5110         * gty.texi: Update the command line format.
5111
5112 2009-09-29  Jakub Jelinek  <jakub@redhat.com>
5113
5114         PR debug/41438
5115         * dwarf2out.c (const_ok_for_output_1, const_ok_for_output): New
5116         functions.
5117         (mem_loc_descriptor, loc_descriptor, add_const_value_attribute): Bail
5118         out if !const_ok_for_output.
5119
5120         PR debug/41474
5121         * dwarf2out.c (mem_loc_descriptor) <case CONCAT, case CONCATN,
5122         case VAR_LOCATION>: Remove gcc_unreachable ().
5123
5124 2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>
5125
5126         * config.gcc (i[34567]86-*-*): Remove mmintrin-common.h.
5127         (x86_64-*-*): Ditto.
5128         * config/i386/smmintrin.h: Move instructions in mmintrin-common.h
5129         back to smmintrin.h.
5130         * config/i386/cpuid.h (bit_SSE5): Remove SSE5 bit.
5131         * config/i386/x86intrin.h: Remove SSE5.
5132         * config/i386/mmintrin-common.h: Delete file.
5133         * doc/extend.texi (x86 intrinsics): Remove SSE5 flags and builtins.
5134
5135 2009-09-29  Richard Guenther  <rguenther@suse.de>
5136
5137         * alias.c (ao_ref_from_mem): Properly deal with off decl accesses
5138         resulting from stack temporaries on STRICT_ALIGNMENT targets.
5139
5140 2009-09-29  Nick Clifton  <nickc@redhat.com>
5141
5142         * function.c (current_function_name): If there is no current
5143         function just return "<none>".
5144
5145 2009-09-28  Sriraman Tallam  <tmsriram@google.com>
5146
5147         * tree-pass.h (register_pass_info): New structure.
5148         (pass_positioning_ops): Move enum from gcc-plugin.h.
5149         (register_pass): New function.
5150         * gcc-plugin.h (plugin_pass): Delete structure.
5151         (pass_positioning_ops): Delete enum.
5152         * plugin.c (regsiter_pass): Delete function.
5153         (position_pass): Delete function.
5154         (added_pass_nodes): Delete variable.
5155         (prev_added_pass_nodes): Delete variable.
5156         (pass_list_node): Delete structure.
5157         * passes.c (make_pass_instance): New function.
5158         (next_pass_1): Change to call make_pass_instance.
5159         (pass_list_node): Move structure from gcc-plugin.h.
5160         (added_pass_nodes): Move variable from plugin.c.
5161         (prev_added_pass_nodes): Move variable from plugin.c.
5162         (position_pass): New function.
5163         (register_pass): New function.
5164
5165 2009-09-28  Easwaran Raman  <eraman@google.com>
5166
5167         * ifcvt.c (noce_try_abs): Recognize pattern and call
5168         expand_one_cmpl_abs_nojump.
5169         * optabs.c (expand_one_cmpl_abs_nojump): New function.
5170         * optabs.h (expand_one_cmpl_abs_nojump): Declare.
5171
5172 2009-09-28  Ian Lance Taylor  <iant@google.com>
5173
5174         PR middle-end/40500
5175         * c-opts.c (c_common_handle_option): Don't set
5176         warn_jump_misses_init for -Wall.
5177         * doc/invoke.texi (Warning Options): Update documentation.
5178
5179 2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5180
5181         * Makefile.in ($(out_object_file)): Depend on
5182         gt-$(basename $(notdir $(out_file))).h.
5183
5184 2009-09-28  Richard Henderson  <rth@redhat.com>
5185
5186         * except.h (struct eh_region_d): Add use_cxa_end_cleanup.
5187         * except.c (gen_eh_region): Set it.
5188         (duplicate_eh_regions_1): Copy it.
5189         * tree-eh.c (lower_resx): Use it to determine which function
5190         to call to resume.
5191
5192         * langhooks.h (struct lang_hooks): Add eh_use_cxa_end_cleanup.
5193         * langhooks-def.h (LANG_HOOKS_EH_USE_CXA_END_CLEANUP): New.
5194         * builtins.def (BUILT_IN_CXA_END_CLEANUP): New.
5195         * tree.c (build_common_builtin_nodes): Remove parameter.  Build
5196         BUILT_IN_CXA_END_CLEANUP if necessary.
5197
5198         * c-common.c (c_define_builtins): Update call to
5199         build_common_builtin_nodes.
5200
5201 2009-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5202
5203         * spu.c (get_branch_target): Return NULL for ASM_OPERANDS patterns.
5204
5205 2009-09-28  Michael Matz  <matz@suse.de>
5206
5207         * builtins.c (interclass_mathfn_icode): New helper.
5208         (expand_builtin_interclass_mathfn): Use it here, and split folding
5209         into ...
5210         (fold_builtin_interclass_mathfn): ... this new folder.
5211         (build_call_nofold_loc): New static helper.
5212         (build_call_nofold): New wrapper macro for above.
5213         (expand_builtin_int_roundingfn): Use it instead of build_call_expr.
5214         (expand_builtin_pow): Ditto.
5215         (expand_builtin_memset_args): Ditto.
5216         (expand_builtin_printf): Ditto.
5217         (expand_builtin_fprintf): Ditto.
5218         (expand_builtin_sprintf): Ditto.
5219         (expand_builtin_memory_chk): Ditto.
5220         (expand_builtin_mempcpy_args): Ditto and don't call folders.
5221         (expand_builtin_stpcpy): Ditto.
5222         (expand_builtin_strcmp): Ditto.
5223         (expand_builtin_strncmp): Ditto.
5224         (expand_builtin_strcpy): Remove FNDECL and MODE arguments.
5225         (expand_builtin_strcpy_args): Don't call folders.
5226         (expand_builtin_memcmp): Ditto.
5227         (expand_builtin_strncpy): Ditto, and use target.
5228         (expand_builtin_memcpy): Ditto.
5229         (expand_builtin_strstr, expand_builtin_strchr, expand_builtin_strrchr,
5230         expand_builtin_strpbrk, expand_builtin_memmove,
5231         expand_builtin_memmove_args, expand_builtin_bcopy,
5232         expand_builtin_memchr, expand_builtin_strcat, expand_builtin_strncat,
5233         expand_builtin_strspn, expand_builtin_strcspn,
5234         expand_builtin_fputs): Remove these.
5235         (expand_builtin): Don't call the above, change calls to other
5236         expanders that changed prototype.
5237         (fold_builtin_stpcpy): New folder split out from expand_builtin_stpcpy.
5238         (fold_builtin_1 <ISFINITE, ISINF, ISNORMAL>): Call
5239         fold_builtin_interclass_mathfn.
5240         (fold_builtin_2 <STPCPY>): Call fold_builtin_stpcpy.
5241         (fold_builtin_strcat): Add folding split from expand_builtin_strcat.
5242
5243         * fold-const.c (fold_binary_loc <NE_EXPR>): Add !exp != 0 -> !exp.
5244         * passes.c (init_optimization_passes): Move pass_fold_builtins
5245         after last phiopt pass.
5246         * tree-inline.c (fold_marked_statements): When folding builtins
5247         iterate over all instruction potentially generated.
5248         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Declare
5249         earlier.
5250         (fold_gimple_call): Use it to always fold calls (into potentially
5251         multiple instructions).
5252         * tree-ssa-dom.c (optimize_stmt): Resolve __builtin_constant_p
5253         calls into zero at this time.
5254         * tree-ssa-propagate.c (substitute_and_fold): Ignore multiple
5255         statements generated by builtin folding.
5256
5257 2009-09-28  Nick Clifton  <nickc@redhat.com>
5258
5259         * config/m32r/m32r.c (m32r_is_insn): Return false for debugging insns.
5260
5261 2009-09-28  Duncan Sands  <baldrick@free.fr>
5262
5263         * gcc-plugin.h (PLUGIN_REGISTER_GGC_CACHES): New event.
5264         * plugin.c (plugin_event_name): Add PLUGIN_REGISTER_GGC_CACHES.
5265         (register_callback): Dispatch it.
5266         (invoke_plugin_callbacks): Incorporate in sanity check.
5267         * ggc.h (ggc_register_cache_tab): Add declaration.
5268         * ggc-common.c (ggc_register_root_tab): Simplify.
5269         (const_ggc_cache_tab_t): New typedef.
5270         (extra_cache_vec): New vector of dynamically added cache tables.
5271         (ggc_register_cache_tab): New function.
5272         (ggc_scan_cache_tab): New function.
5273         (ggc_mark_roots): Simplify dynamic roots.  Handle dynamic caches.
5274         * doc/plugins.texi: Document PLUGIN_REGISTER_GGC_CACHES.
5275
5276 2009-09-27  Richard Henderson  <rth@redhat.com>
5277
5278         * tree-ssa-ccp.c (optimize_stack_restore): Relax the conditions under
5279         which we remove __builtin_stack_restore.
5280
5281 2009-09-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5282
5283         * loop-iv.c (iv_analyze_op): Use function_invariant_p, not CONSTANT_P,
5284         to test for GRD_INVARIANT.
5285         (simple_rhs_p): Anything that's function_invariant_p is fine.
5286
5287 2009-09-27  Rafael Avila de Espindola  <espindola@google.com>
5288
5289         * gengtype.c (main): Use plunge_files instead of plugin_output.
5290
5291 2009-09-27  Basile Starynkevitch  <basile@starynkevitch.net>
5292             Rafael Avila de Espindola  <espindola@google.com>
5293
5294         * gengtype.c (write_root, write_roots): Add a emit_pch argument.
5295         Don't print pch related info if it is false.
5296         (main): Don't print pch info in plugin mode.
5297
5298 2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>
5299
5300         * dwarf2out.c (enum dw_val_class): Replace dw_val_class_long_long
5301         with dw_val_class_const_double.
5302         (struct dw_val_struct): Replace val_long_long with val_double and
5303         adjust for above change.
5304         (output_loc_operands): Likewise.
5305         (add_AT_long_long): Rename into...
5306         (add_AT_double): ...this.
5307         (print_die): Replace dw_val_class_long_long with
5308         dw_val_class_const_double and adjust.
5309         (attr_checksum): Likewise.
5310         (same_dw_val_p): Likewise.
5311         (size_of_die): Likewise.
5312         (value_format): Likewise.
5313         (output_die): Likewise.
5314         (loc_descriptor) <CONST_DOUBLE>: Likewise.
5315         (add_const_value_attribute) <CONST_DOUBLE>: Call add_AT_double
5316         instead of add_AT_long_long.
5317         (add_bound_info) <INTEGER_CST>: Generate the bound as an unsigned
5318         value with the precision of its type.
5319
5320 2009-09-27  Andreas Schwab  <schwab@linux-m68k.org>
5321
5322         PR c/41476
5323         * c-typeck.c (build_conditional_expr): Use the readonly and
5324         volatile flags of the operand types, not of the operands itself.
5325
5326 2009-09-27  Peter O'Gorman  <pogma@thewrittenword.com>
5327
5328         * collect2.c (main): Look for -brtl before adding libraries.
5329
5330 2009-09-27  Jonathan Gray  <jsg@openbsd.org>
5331
5332         * config.gcc: Update OpenBSD targets.
5333         * config/openbsd-stdint.h: New file.
5334         * config/openbsd-libpthread.h: New file.
5335         * config/openbsd.h: Update and break out LIB_SPEC definition.
5336         * config/alpha/openbsd.h: Overhaul to reflect ELF migration.
5337         * config/i386/openbsdelf.h: Correct types.
5338         * config/m68k/openbsd.h: Likewise.
5339         * config/mips/openbsd.h: Likewise.
5340         * config/vax/openbsd.h: Likewise.
5341
5342 2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>
5343
5344         * fold-const.c (maybe_lvalue_p): Return false for M(IN|AX)_EXPR.
5345         (extract_muldiv_1) <MINUS_EXPR>: Swap operands if necessary.
5346         * stor-layout.c (layout_type) <ARRAY_TYPE>: Do not take the maximum
5347         of the length and zero.
5348
5349 2009-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5350
5351         * Makefile.in (TOPLEV_H): Use $(INPUT_H) not input.h.
5352         (FLAGS_H): Add options.h $(REAL_H).
5353         (SEL_SCHED_IR_H): Add $(BITMAP_H) vecprim.h $(CFGLOOP_H).
5354         (TREE_VECTORIZER_H): New.
5355         (EBITMAP_H): Renamed from EBIMAP_H.
5356         (c-decl.o, c-objc-common.o, c-pretty-print.o, attribs.o, c-omp.o)
5357         (gtype-desc.o, ggc-common.o, ggc-page.o, ggc-zone.o, langhooks.o)
5358         (tree.o, tree-ssa-structalias.o, tree-ssa-ter.o, tree-ssanames.o)
5359         (tree-phinodes.o, tree-ssa-loop.o, tree-ssa-math-opts.o)
5360         (gimple-low.o, omp-low.o, sese.o, graphite-blocking.o)
5361         (graphite-clast-to-gimple.o, graphite-dependences.o)
5362         (graphite-interchange.o, graphite-poly.o, graphite-scop-detection.o)
5363         (graphite-sese-to-poly.o, tree-vect-loop.o, tree-vect-loop-manip.o)
5364         (tree-vect-patterns.o, tree-vect-slp.o, tree-vect-stmts.o)
5365         (tree-vect-data-refs.o, tree-vectorizer.o, gimple.o, tree-mudflap.o)
5366         (targhooks.o, stmt.o, emit-rtl.o, ipa.o, matrix-reorg.o, ipa-inline.o)
5367         (gcse.o, tree-ssa-ccp.o, df-byte-scan.o, vec.o, caller-save.o)
5368         (ira-build.o, ira-costs.o, ira-color.o, ira-emit.o, ira.o)
5369         (haifa-sched.o, sched-rgn.o, sel-sched.o, sel-sched-dump.o)
5370         (sel-sched-ir.o, final.o, $(out_object_file)): Dependencies
5371         updated and fixed as per above changes and per
5372         check_makefile_deps.sh output.
5373
5374         PR bootstrap/40928
5375         * configure.ac: Use $LIBS for '-ldl', not $LDFLAGS.
5376         * configure: Regenerate.
5377
5378 2009-09-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5379
5380         * doc/install.texi: Update minimum MPC version to 0.7.
5381
5382 2009-09-26  Gerald Pfeifer  <gerald@pfeifer.com>
5383
5384         * doc/install.texi (Binaries): Remove reference to the binary
5385         distribution CD-ROM from the FSF.
5386
5387 2009-09-26  Michael Matz  <matz@suse.de>
5388
5389         PR lto/40758
5390         PR middle-end/41470
5391         * tree-ssa-coalesce.c (coalesce_ssa_name): Add only SSA names
5392         that are mentioned in the body.
5393
5394 2009-09-26  Michael Matz  <matz@suse.de>
5395
5396         PR tree-optimization/41454
5397         * tree-ssa-dom (stmts_to_rescan): Remove variable.
5398         (tree_ssa_dominator_optimize): Don't allocate and free it.
5399         (dom_opt_leave_block): Don't iterate over it.
5400         (eliminate_redundant_computations): Don't return a value.
5401         (cprop_operand, cprop_into_stmt): Ditto.
5402         (optimize_stmt): Don't defer updating stmts.
5403
5404 2009-09-25  Dodji Seketeli  <dodji@redhat.com>
5405
5406         * dwarf2out.c (dwarf_tag_name, gen_generic_params_dies,
5407         generic_parameter_die, template_parameter_pack_die,
5408         gen_formal_parameter_die, gen_subprogram_die): Adjust after
5409         renaming DW_TAG_formal_parameter_pack and
5410         DW_TAG_template_parameter_pack into DW_TAG_GNU_formal_parameter_pack
5411         and DW_TAG_GNU_template_parameter_pack.
5412
5413 2009-09-25  Anatoly Sokolov  <aesok@post.ru>
5414
5415         * config/v850/v850.h (FUNCTION_VALUE): Remove.
5416         * config/v850/v850.c (v850_function_value): New function.
5417         (TARGET_FUNCTION_VALUE): Define.
5418
5419 2009-09-25  Jakub Jelinek  <jakub@redhat.com>
5420
5421         * tree-vect-stmts.c (vectorizable_call): Call
5422         mark_symbols_for_renaming after vect_finish_stmt_generation.
5423
5424         * dwarf2out.c (tls_mem_loc_descriptor): Pass 1 instead of 2
5425         to loc_descriptor_from_tree.
5426         (add_location_or_const_value_attribute): Pass 0 instead of 2
5427         for decl_by_reference_p decls.
5428
5429 2009-09-25  Richard Guenther  <rguenther@suse.de>
5430
5431         PR middle-end/41463
5432         * tree-dfa.c (get_ref_base_and_extent): Fix issue with trailing
5433         arrays again.
5434
5435 2009-09-25  Ben Elliston  <bje@au.ibm.com>
5436
5437         * doc/invoke.texi (RS/6000 and PowerPC Options): Add missing comma
5438         after `power7'.
5439
5440 2009-09-25  Alan Modra  <amodra@bigpond.net.au>
5441
5442         * config/rs6000/rs6000.md (load_toc_v4_PIC_3c): Correct POWER
5443         form of instruction.
5444
5445 2009-09-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5446
5447         PR middle-end/41435
5448         * fold-const.c (const_binop): Handle complex int division.
5449         * tree-complex.c (expand_complex_div_straight,
5450         expand_complex_div_wide): Update comments.
5451
5452 2009-09-24  DJ Delorie  <dj@redhat.com>
5453
5454         PR target/41456
5455         * config/m32c/m32c.h (REG_CLASS_CONTENTS): Add R13.
5456         (reg_class): Likewise.
5457         (REG_CLASS_NAMES): Likewise.
5458         * config/m32c/m32c.c (m32c_reg_class_from_constraint): Likewise.
5459         (m32c_override_options): Disable -fivopts for M32C.
5460
5461 2009-09-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
5462
5463         * config/rs6000/predicates.md (indexed_or_indirect_operand):
5464         Delete VSX load/store with update support.
5465         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Ditto.
5466         * config/rs6000/vsx.md (vsx_mov<mode>): Ditto.
5467         (vsx_movti): Ditto.
5468         (VSX_U): Delete.
5469         (VSbit): Ditto.
5470         (VStype_load_update): Ditto.
5471         (VStype_store_update): Ditto.
5472         (vsx_load<VSX_U:mode>_update_<P:mptrsize>): Ditto.
5473         (vsx_store<VSX_U:mode>_update_<P:mptrsize>): Ditto.
5474
5475         * config/rs6000/rs6000.h (enum rs6000_builtins): Delete VSX
5476         load/store with update builtins.
5477
5478 2009-09-24  Kai Tietz  <kai.tietz@onevision.com>
5479
5480         * libgcc2.c (L_trampoline): Prototype for getpagesize
5481         and mprotect in WINNT case.
5482
5483 2009-09-24  Anatoly Sokolov  <aesok@post.ru>
5484
5485         * config/rs6000/rs6000.h (FUNCTION_VALUE): Remove macro.
5486         * config/rs6000/rs6000-protos.h (rs6000_function_value): Remove.
5487         * config/rs6000/rs6000.c (rs6000_function_value): Make static, add
5488         'outgoing' argument.
5489         (TARGET_FUNCTION_VALUE): Define.
5490
5491 2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
5492
5493         * config/darwin.h (DWARF2_DEBUGGING_INFO): Define as 1.
5494
5495 2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
5496
5497         PR bootstrap/41405
5498         * common.opt: Initialize dwarf_strict to -1.
5499         * toplev.c (process_options): Catch unset dwarf_strict
5500         and set to 0 for all targets not overriding.
5501         * config/darwin.c (darwin_override_options): Catch unset
5502         dwarf_strict and override to 1.
5503
5504 2009-09-24  Jeff Law  <law@redhat.com>
5505
5506         * tree-into-ssa.c (rewrite_into_ssa): Free interesting_blocks.
5507
5508 2009-09-24  Richard Guenther  <rguenther@suse.de>
5509
5510         PR tree-optimization/36143
5511         PR tree-optimization/38747
5512         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
5513         create VIEW_CONVERT_EXPRs for TBAA compatible accesses.
5514
5515 2009-09-24  Jakub Jelinek  <jakub@redhat.com>
5516
5517         PR bootstrap/41457
5518         * dwarf2out.c (add_const_value_attribute): For HIGH and CONST_FIXED,
5519         return false instead of gcc_unreachable ().  For CONST return the
5520         value returned by recursive call instead of always returning true.
5521         (tree_add_const_value_attribute): Return the value returned by
5522         add_const_value_attribute instead of always returning true if rtl
5523         is non-NULL.
5524
5525 2009-09-23  Justin Seyster  <jrseys@gmail.com>
5526
5527         * Makefile.in (PLUGIN_HEADERS): Include real.h.
5528
5529 2009-09-24  Jakub Jelinek  <jakub@redhat.com>
5530
5531         * cgraphunit.c (cgraph_lower_function): Revert last change.
5532         * targhooks.c (default_static_chain): Use !DECL_STATIC_CHAIN
5533         instead of DECL_NO_STATIC_CHAIN.
5534         * tree-cfg.c (verify_gimple_call): Likewise.
5535         * tree-nested.c (get_chain_decl, get_chain_field,
5536         convert_tramp_reference_op, convert_gimple_call): Likewise.
5537         (convert_all_function_calls): Likewise.  Always set or clear
5538         DECL_STATIC_CHAIN initially, for !n->outer clear it.
5539         (lower_nested_functions): Remove DECL_NO_STATIC_CHAIN checking code.
5540         * c-parser.c (c_parser_declaration_or_fndef): Set DECL_STATIC_CHAIN
5541         if nested.
5542         * print-tree.c (print_node): Handle DECL_STATIC_CHAIN instead of
5543         DECL_NO_STATIC_CHAIN.
5544         * config/i386/i386.c (ix86_static_chain): Use !DECL_STATIC_CHAIN
5545         instead of DECL_NO_STATIC_CHAIN.
5546         (ix86_function_regparm, find_drap_reg): Likewise.  Don't test
5547         decl_function_context.
5548         * varasm.c (initializer_constant_valid_p): Likewise.
5549         * tree.h (DECL_NO_STATIC_CHAIN): Renamed to ...
5550         (DECL_STATIC_CHAIN): ... this.
5551         * config/moxie/moxie.c (moxie_static_chain): Use !DECL_STATIC_CHAIN
5552         instead of DECL_NO_STATIC_CHAIN.
5553
5554 2009-09-23  Basile Starynkevitch  <basile@starynkevitch.net>
5555             Rafael Avila de Espindola  <espindola@google.com>
5556
5557         * gengtype.c (nb_plugin_files): Make it unsigned to match
5558         num_gt_files. Adjust other variables to avoid warnings.
5559         (main): Allocate an all zero lang_bitmap before each plugin file name
5560         to match regular file names.
5561
5562 2009-09-23  Richard Henderson  <rth@redhat.com>
5563
5564         * doc/tm.texi (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
5565         (TARGET_STATIC_CHAIN): Mention that this hook must be used for
5566         static chain passed in memory.
5567         * system.h (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Poison.
5568         * targhooks.c (default_static_chain): Don't handle STATIC_CHAIN,
5569         STATIC_CHAIN_INCOMING.  Issue a sorry if there's no
5570         STATIC_CHAIN_REGNUM defined.
5571
5572         * config/picochip/picochip-protos.h: s/class/klass/.
5573         * config/picochip/picochip.c (TARGET_STATIC_CHAIN): New.
5574         (picochip_static_chain): New.
5575         * config/picochip/picochip.h (STATIC_CHAIN): Remove.
5576         (STATIC_CHAIN_INCOMING): Remove.
5577
5578         * config/xtensa/xtensa.c (TARGET_STATIC_CHAIN): New.
5579         (xtensa_static_chain): New.
5580         * config/xtensa/xtensa.h (STATIC_CHAIN): Remove.
5581         (STATIC_CHAIN_INCOMING): Remove.
5582
5583 2009-09-23  Anatoly Sokolov  <aesok@post.ru>
5584
5585         * config/pa/pa.h (FUNCTION_VALUE): Remove macro.
5586         * config/pa/pa-protos.h (function_value): Remove.
5587         * config/pa/pa.c (pa_function_value): Rename from function_value.
5588         Make static, add 'outgoing' argument.
5589         (TARGET_FUNCTION_VALUE): Define.
5590
5591 2009-09-23  Anatoly Sokolov  <aesok@post.ru>
5592
5593         * config/avr/avr.c (avr_regs_to_save): Use current_function_is_leaf
5594         instead of cfun->machine->is_leaf.
5595         * config/avr/avr.h (machine_function): Remove is_leaf field.
5596
5597 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
5598
5599         PR debug/41439
5600         * dwarf2out.c (address_of_int_loc_descriptor): Don't emit
5601         DW_OP_piece after DW_OP_stack_value, adjust size calculations
5602         for it, when DW_OP_stack_value and DW_OP_implicit_value has
5603         the same size, prefer DW_OP_stack_value.
5604         (loc_descriptor, loc_list_for_address_of_addr_expr_of_indirect_ref,
5605         loc_list_from_tree): Don't emit DW_OP_piece after DW_OP_stack_value.
5606
5607 2009-09-23  Alexandre Oliva  <aoliva@redhat.com>
5608
5609         PR debug/41353
5610         * var-tracking.c (add_with_sets): Sort MO_VAL_LOC last among uses.
5611
5612 2009-09-23  Alexandre Oliva  <aoliva@redhat.com>
5613
5614         PR debug/41248
5615         * cfgexpand.c (convert_debug_memory_address): New.
5616         (expand_debug_expr): Convert base address and offset to the same
5617         mode.  Use it to convert addresses to other modes.  Accept
5618         ptr_mode addresses.
5619
5620 2009-09-23  Dodji Seketeli <dodji@redhat.com>
5621
5622         PR debug/41065
5623         * function.h (types_used_by_vars_hash): Declare new hash table.
5624         (types_used_by_vars_eq, types_used_by_var_decl_insert): Declare
5625         equality and hash function for the hash table.
5626         (types_used_by_cur_var_decl): Declare a new global chained list.
5627         (types_used_by_var_decl_insert): Declare new function.
5628         * function.c (types_used_by_vars_hash): Define the hashtable ...
5629         (types_used_by_vars_eq, types_used_by_vars_do_hash): ... as well as
5630         its equality and hash functions.
5631         (hash_types_used_by_vars_entry): New hash helper.
5632         (types_used_by_cur_var_decl): Define the global chained list.
5633         (used_types_insert): Update the list of types used by the global
5634         variable being parsed.
5635         (types_used_by_var_decl_insert): Define new function.
5636         * c-common.h (record_types_used_by_current_var_decl): Declare ...
5637         * c-common.c (record_types_used_by_current_var_decl): ... new
5638         function.
5639         * c-decl.c (finish_decl): Record the types used by the global
5640         variable declaration we've just parsed.
5641         * dwarf2out.c (premark_used_types): Insert a new line between
5642         comment and function.
5643         (premark_used_types_helper): Fix comment.
5644         (premark_types_used_by_global_vars_helper,
5645         premark_types_used_by_global_vars): New functions.
5646         (prune_unused_types): Do not prune types used by global variables.
5647
5648 2009-09-23  Richard Guenther  <rguenther@suse.de>
5649
5650         * alias.c (ao_ref_from_mem): Correct for negative MEM_OFFSET
5651         produced for bigendian targets with promoted subregs.
5652
5653 2009-09-23  Richard Guenther  <rguenther@suse.de>
5654
5655         * value-prof.c (gimple_ic): Purge old EH edges only after building
5656         the new ones.
5657
5658 2009-09-23  Nick Clifton  <nickc@redhat.com>
5659
5660         * config/arc/arc.c (arc_trampoline_init): Fix typo.
5661
5662 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
5663
5664         PR bootstrap/41405
5665         * doc/invoke.texi: Document -gstrict-dwarf and -gno-strict-dwarf.
5666
5667         PR bootstrap/41436
5668         * cgraphunit.c (cgraph_lower_function): Set DECL_NO_STATIC_CHAIN
5669         on non-nested functions.
5670
5671 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
5672             Jan Hubicka  <jh@suse.cz>
5673
5674         * dwarf2out.c (loc_list_plus_const): Only define if
5675         DWARF2_DEBUGGING_INFO.
5676         (address_of_int_loc_descriptor): Likewise.
5677
5678         PR debug/41411
5679         * dwarf2out.c (mem_loc_descriptor): Handle HIGH.
5680
5681 2009-09-23  Uros Bizjak  <ubizjak@gmail.com>
5682
5683         PR c/39779
5684         * c-typeck.c (build_binary_op) <short_shift>: Check that integer
5685         constant is more than zero.
5686
5687 2009-09-23  Alan Modra  <amodra@bigpond.net.au>
5688
5689         PR target/40473
5690         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Don't
5691         call final to emit non-scheduled prologue, instead insert at entry.
5692
5693 2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
5694             Joseph S. Myers  <joseph@codesourcery.com>
5695
5696         * doc/install.texi (*-*-freebsd*): Add proper format codes.
5697
5698 2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
5699             Rafael Avila de Espindola  <espindola@google.com>
5700
5701         * gengtype.c (is_file_equal): New function.
5702         (close_output_files): Use is_file_equal. Free of->buf.
5703
5704 2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
5705             Rafael Avila de Espindola  <espindola@google.com>
5706
5707         * gengtype.c (write_types, write_local): Add the output_header
5708         argument. Update all callers.
5709
5710 2009-09-22  Dodji Seketeli  <dodji@redhat.com>
5711
5712         * dwarf2out.c (template_parameter_pack_die,
5713         gen_formal_parameter_pack_die ): New functions.
5714         (make_ith_pack_parameter_name): Remove this function.
5715         (dwarf_tag_name): Support printing DW_TAG_template_parameter_pack and
5716         DW_TAG_formal_parameter_pack.
5717         (gen_generic_params_dies): Represent each template parameter pack
5718         by a DW_TAG_template_parameter_pack DIE. Argument pack elements are
5719         represented by usual DW_TAG_template_*_parameter DIEs that are
5720         children of the DW_TAG_template_parameter_pack element DIE.
5721         (generic_parameter_die): This doesn't deal with parameter pack
5722         names anymore. Don't generate DW_AT_name for some DIEs, e.g. children
5723         of parameter pack DIEs.
5724         (gen_formal_parameter_die): Add a flag to not emit DW_AT_name
5725         in certain cases, e.g. for pack elements.
5726         (gen_formal_types_die, gen_decl_die): Adjust usage of
5727         gen_formal_parameter_die.
5728         (gen_subprogram_die): Represent each function parameter pack by a
5729         DW_TAG_formal_parameter_pack DIE. Arguments of of the pack are
5730         represented by usual DW_TAG_formal_parameter DIEs that are children
5731         of the DW_TAG_formal_parameter_pack DIE. Remove references to
5732         ____builtin_va_alist decls as no part of the compiler uses those
5733         anymore.
5734         * langhooks.h (struct lang_hooks_for_decls): Add
5735         function_parm_expanded_from_pack_p, get_generic_function_decl
5736         and function_parameter_pack_p hooks.  Fix comment for
5737         get_innermost_generic_parms hook.
5738         * langhooks-def.h (LANG_HOOKS_FUNCTION_PARAMETER_PACK_P,
5739         LANG_HOOKS_FUNCTION_PARM_EXPANDED_FROM_PACK_P ): Declare new hook
5740         macros and use them to initialize lang_hook.
5741
5742 2009-09-22  Richard Henderson  <rth@redhat.com>
5743
5744         * system.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Poison.
5745         (TRAMPOLINE_ADJUST_ADDRESS): Poison.
5746         * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): Don't conditionalize
5747         on TRAMPOLINE_TEMPLATE.
5748         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): Don't conditionalize on
5749         TRAMPOLINE_ADJUST_ADDRESS.
5750         * targhooks.c (default_asm_trampoline_template): Remove.
5751         (default_trampoline_adjust_address): Remove.
5752         (default_trampoline_init): Don't handle INITIALIZE_TRAMPOLINE.
5753         * targhooks.h: Update decls.
5754
5755 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
5756
5757         * config/i386/cygming.h (TARGET_USE_JCR_SECTION): Enable.
5758         * config/i386/cygwin.h (LIBGCJ_SONAME): Define.
5759         * config/i386/mingw32.h (LIBGCJ_SONAME): Likewise.
5760
5761 2009-09-22  Alexandre Oliva  <aoliva@redhat.com>
5762
5763         PR debug/41295
5764         * reload1.c (reload): Reset debug insns with pseudos without
5765         equivalences.
5766
5767 2009-09-22  Janis Johnson  <janis187@us.ibm.com>
5768
5769         * config/i386/i386.c (ix86_scalar_mode_supported_p): Don't return
5770         unconditional true for decimal float modes.
5771         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Ditto.
5772         * config/s390/s390.c (s390_scalar_mode_supported_p): Ditto.
5773
5774 2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
5775
5776         * unwind-dw2-fde-glibc.c: Define and use USE_PT_GNU_EH_FRAME.
5777         Enable a new case for __FreeBSD__ >= 7.
5778         * crtstuff.c:  Define USE_PT_GNU_EH_FRAME for __FreeBSD__ >= 7.
5779         * config/t-freebsd: Define LIB2ADDEH and LIB2ADDEHDEP.
5780         * config/freebsd-spec.h: Conditionally define LINK_EH_SPEC
5781         and USE_LD_AS_NEEDED.
5782
5783         * doc/install.texi (*-*-freebsd*): Update target information.
5784
5785 2009-09-22  Richard Guenther  <rguenther@suse.de>
5786
5787         PR middle-end/41395
5788         * tree-dfa.c (get_ref_base_and_extent): Handle trailing
5789         arrays really properly.
5790
5791 2009-09-22  Richard Henderson  <rth@redhat.com>
5792
5793         PR target/41246
5794         * target.h (struct gcc_target): Add asm_out.trampoline_template,
5795         calls.static_chain, calls.trampoline_init,
5796         calls.trampoline_adjust_address.
5797         * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
5798         (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
5799         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
5800         * builtins.c (expand_builtin_setjmp_receiver): Use
5801         targetm.calls.static_chain; only clobber registers.
5802         (expand_builtin_init_trampoline): Use targetm.calls.trampoline_init;
5803         set up memory attributes properly for the trampoline block.
5804         (expand_builtin_adjust_trampoline): Use
5805         targetm.calls.trampoline_adjust_address.
5806         * calls.c (prepare_call_address): Add fndecl argument.  Use
5807         targetm.calls.static_chain.
5808         * df-scan.c (df_need_static_chain_reg): Remove.
5809         (df_get_entry_block_def_set): Use targetm.calls.static_chain;
5810         consolodate static chain handling.
5811         * doc/tm.texi: Document new hooks.
5812         * emit-rtl.c (static_chain_rtx, static_chain_incoming_rtx): Remove.
5813         (init_emit_regs): Don't initialize them.
5814         * expr.h (prepare_call_address): Update decl.
5815         * final.c (profile_function): Use targetm.calls.static_chain.
5816         * function.c (expand_function_start): Likewise.
5817         * rtl.h (static_chain_rtx, static_chain_incoming_rtx): Remove.
5818         * stmt.c (expand_nl_goto_receiver): Use targetm.calls.static_chain;
5819         only clobber registers.
5820         * targhooks.c (default_static_chain): New.
5821         (default_asm_trampoline_template, default_trampoline_init): New.
5822         (default_trampoline_adjust_address): New.
5823         * targhooks.h: Declare them.
5824         * varasm.c (assemble_trampoline_template): Use
5825         targetm.asm_out.trampoline_template.  Make the memory block const
5826         and set its size.
5827
5828         * config/alpha/alpha.c (alpha_trampoline_init): Rename from
5829         alpha_initialize_trampoline.  Make static.  Merge VMS parameter
5830         differences into the TARGET_ABI_OPEN_VMS code block.
5831         (TARGET_TRAMPOLINE_INIT): New.
5832         * config/alpha/alpha.h (TRAMPOLINE_TEMPLATE): Remove.
5833         (TRAMPOLINE_SECTION, INITIALIZE_TRAMPOLINE): Remove.
5834         * config/alpha/vms.h (TRAMPOLINE_SIZE, TRAMPOLINE_ALIGNMENT): Remove.
5835         (INITIALIZE_TRAMPOLINE): Remove.
5836
5837         * config/arc/arc.h (TRAMPOLINE_ALIGNMENT): New.
5838         (TRAMPOLINE_TEMPLATE): Merge with ...
5839         (INITIALIZE_TRAMPOLINE): ... this and move ...
5840         * config/arc/arc.c (arc_trampoline_init): ... here.
5841         (TARGET_TRAMPOLINE_INIT): New.
5842
5843         * config/arm/arm.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
5844         (TARGET_TRAMPOLINE_INIT, TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
5845         (arm_asm_trampoline_template): New.
5846         (arm_trampoline_init, arm_trampoline_adjust_address): New.
5847         * config/arm/arm.h (TRAMPOLINE_TEMPLATE, ARM_TRAMPOLINE_TEMPLATE,
5848         THUMB2_TRAMPOLINE_TEMPLATE, THUMB1_TRAMPOLINE_TEMPLATE): Move all
5849         code to arm_asm_trampoline_template.
5850         (TRAMPOLINE_ADJUST_ADDRESS): Move code to
5851         arm_trampoline_adjust_address.
5852         (INITIALIZE_TRAMPOLINE): Move code to arm_trampoline_init;
5853         adjust for target hook parameters.
5854
5855         * config/avr/avr.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE):
5856         Remove.
5857
5858         * config/bfin/bfin-protos.h (initialize_trampoline): Remove.
5859         * config/bfin/bfin.c (bfin_asm_trampoline_template): New.
5860         (bfin_trampoline_init): Rename from initialize_trampoline;
5861         make static; update for target hook parameters.
5862         (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
5863         * config/bfin/bfin.h (TRAMPOLINE_TEMPLATE): Move code to
5864         bfin_asm_trampoline_template.
5865         (INITIALIZE_TRAMPOLINE): Remove.
5866
5867         * config/cris/cris.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
5868         TARGET_TRAMPOLINE_INIT, cris_asm_trampoline_template,
5869         cris_trampoline_init): New.
5870         * config/cris/cris.h (TRAMPOLINE_TEMPLATE): Move code to
5871         cris_asm_trampoline_template.
5872         (INITIALIZE_TRAMPOLINE): Move code to cris_trampoline_init;
5873         adjust for target hook parameters.
5874
5875         * config/crx/crx.h (INITIALIZE_TRAMPOLINE): Remove.
5876
5877         * config/fr30/fr30.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
5878         TARGET_TRAMPOLINE_INIT, fr30_asm_trampoline_template,
5879         fr30_trampoline_init): New.
5880         * config/fr30/fr30.h (TRAMPOLINE_TEMPLATE): Move code to
5881         fr30_asm_trampoline_template.
5882         (INITIALIZE_TRAMPOLINE): Move code to fr30_trampoline_init;
5883         adjust for target hook parameters.
5884
5885         * config/frv/frv.c (TARGET_TRAMPOLINE_INIT): New.
5886         (frv_trampoline_init): Rename from frv_initialize_trampoline;
5887         make static, adjust arguments for TARGET_TRAMPOLINE_INIT hook.
5888         * config/frv/frv.h (INITIALIZE_TRAMPOLINE): Remove.
5889         * config/frv/frv-protos.h (frv_initialize_trampoline): Remove.
5890
5891         * config/h8300/h8300.c (h8300_trampoline_init): New.
5892         (TARGET_TRAMPOLINE_INIT): New.
5893         * config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Move code
5894         to h8300_trampoline_init and adjust for hook parameters.
5895
5896         * config/ia64/ia64-protos.h (ia64_initialize_trampoline): Remove.
5897         * config/ia64/ia64.c (TARGET_TRAMPOLINE_INIT): New.
5898         (ia64_trampoline_init): Rename from ia64_initialize_trampoline;
5899         make static; adjust for hook parameters.
5900         * config/ia64/ia64.h (INITIALIZE_TRAMPOLINE): Remove.
5901
5902         * config/iq2000/iq2000.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
5903         (TARGET_TRAMPOLINE_INIT): New.
5904         (iq2000_asm_trampoline_template, iq2000_trampoline_init): New.
5905         * config/iq2000/iq2000.h (TRAMPOLINE_TEMPLATE): Move code to
5906         iq2000_asm_trampoline_template.
5907         (INITIALIZE_TRAMPOLINE): Move code to iq2000_trampoline_init.
5908         (TRAMPOLINE_CODE_SIZE): New.
5909         (TRAMPOLINE_SIZE): Use it.
5910         (TRAMPOLINE_ALIGNMENT): Follow Pmode.
5911
5912         * config/m32c/m32c-protos.h (m32c_initialize_trampoline): Remove.
5913         * config/m32c/m32c.c (TARGET_TRAMPOLINE_INIT): New.
5914         (m32c_trampoline_init): Rename from m32c_initialize_trampoline;
5915         adjust for hook parameters.
5916         * config/m32c/m32c.h (INITIALIZE_TRAMPOLINE): Remove.
5917
5918         * config/m32r/m32r.c (TARGET_TRAMPOLINE_INIT): New.
5919         (m32r_trampoline_init): New.
5920         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Move code to
5921         m32r_trampoline_init.
5922
5923         * config/m68hc11/m68hc11.c (TARGET_TRAMPOLINE_INIT): New.
5924         (m68hc11_trampoline_init): Rename from m68hc11_initialize_trampoline;
5925         make static; update for hook parameters.
5926         * config/m68hc11/m68hc11-protos.h: Update.
5927         * config/m68hc11/m68hc11.h (INITIALIZE_TRAMPOLINE): Remove.
5928
5929         * config/mcore/mcore.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
5930         (TARGET_TRAMPOLINE_INIT): New.
5931         (mcore_function_value): Fix typo.
5932         (mcore_asm_trampoline_template, mcore_trampoline_init): New.
5933         * config/mcore/mcore.h (TRAMPOLINE_TEMPLATE): Move code
5934         to mcore_asm_trampoline_template.
5935         (INITIALIZE_TRAMPOLINE): Move code to mcore_trampoline_init.
5936
5937         * config/mep/mep.h (INITIALIZE_TRAMPOLINE): Remove.
5938         * config/mep/mep.c (TARGET_TRAMPOLINE_INIT): New.
5939         (mep_trampoline_init): Rename from mep_init_trampoline; make static;
5940         update for hook parameters.
5941         * config/mep/mep-protos.h (mep_init_trampoline): Remove.
5942
5943         * config/mips/mips.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
5944         mips_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
5945         mips_trampoline_init): New.
5946         * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Move code to
5947         mips_asm_trampoline_template.
5948         (INITIALIZE_TRAMPOLINE): Move code to mips_trampoline_init;
5949         update for hook parameters.
5950
5951         * gcc/config/mmix/mmix.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
5952         (TARGET_TRAMPOLINE_INIT): New.
5953         (mmix_trampoline_size): Remove.
5954         (mmix_asm_trampoline_template): Rename from mmix_trampoline_template;
5955         make static.  Remove out-of-date tetra vs octa comment.
5956         (mmix_trampoline_init): Rename from mmix_initialize_trampoline;
5957         make static; update for hook parameters.
5958         * config/mmix/mmix.h (TRAMPOLINE_TEMPLATE): Remove.
5959         (INITIALIZE_TRAMPOLINE): Remove.
5960         (TRAMPOLINE_SIZE): Use a constant instead of mmix_trampoline_size.
5961         (TRAMPOLINE_ALIGNMENT): New.
5962         * gcc/config/mmix/mmix-protos.h: Update.
5963
5964         * config/mn10300/mn10300.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
5965         mn10300_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
5966         mn10300_trampoline_init): New.
5967         * config/mn10300/mn10300.h (TRAMPOLINE_TEMPLATE): Move code to
5968         mn10300_asm_trampoline_template.
5969         (INITIALIZE_TRAMPOLINE): Move code to mn10300_trampoline_init.
5970
5971         * config/moxie/moxie.c (moxie_static_chain,
5972         moxie_asm_trampoline_template, moxie_trampoline_init,
5973         TARGET_STATIC_CHAIN, TARGET_ASM_TRAMPOLINE_TEMPLATE,
5974         TARGET_TRAMPOLINE_INIT): New.
5975         * config/moxie/moxie.h (INITIALIZE_TRAMPOLINE): Move code to
5976         moxie_trampoline_init.
5977         (TRAMPOLINE_TEMPLATE): Move code to moxie_asm_trampoline_template.
5978         (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
5979
5980         * gcc/config/pa/pa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
5981         pa_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
5982         pa_trampoline_init, TARGET_TRAMPOLINE_ADJUST_ADDRESS,
5983         pa_trampoline_adjust_address): New.
5984         * config/pa/pa.h (TRAMPOLINE_TEMPLATE): Move code to
5985         pa_asm_trampoline_template.
5986         (TRAMPOLINE_ALIGNMENT): New.
5987         (TRAMPOLINE_CODE_SIZE): Move to pa.c.
5988         (INITIALIZE_TRAMPOLINE): Move code to pa_trampoline_init;
5989         adjust for hook parameters.
5990         (TRAMPOLINE_ADJUST_ADDRESS): Move code to pa_trampoline_adjust_address.
5991
5992         * config/pdp11/pdp11.c (pdp11_trampoline_init): New.
5993         (TARGET_TRAMPOLINE_INIT): New.
5994         * config/pdp11/pdp11.h (TRAMPOLINE_TEMPLATE): Remove.
5995         (INITIALIZE_TRAMPOLINE): Move code to pdp11_trampoline_init.
5996
5997         * config/picochip/picochip.h (INITIALIZE_TRAMPOLINE): Remove.
5998
5999         * config/rs6000/rs6000-protos.h (rs6000_initialize_trampoline): Remove.
6000         * config/rs6000/rs6000.c (TARGET_TRAMPOLINE_INIT): New.
6001         (rs6000_trampoline_init): Rename from rs6000_initialize_trampoline;
6002         make static; adjust parameters for the hook.
6003         * config/rs6000/rs6000.h (INITIALIZE_TRAMPOLINE): Remove.
6004
6005         * config/s390/s390.c (s390_asm_trampoline_template): Rename from
6006         s390_trampoline_template; make static.
6007         (s390_trampoline_init): Rename from s390_initialize_trampoline;
6008         make static; adjust for target hook.
6009         (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
6010         * config/s390/s390-protos.h: Remove trampoline decls.
6011         * config/s390/s390.h (INITIALIZE_TRAMPOLINE): Remove.
6012         (TRAMPOLINE_TEMPLATE): Remove.
6013         (TRAMPOLINE_ALIGNMENT): New.
6014
6015         * config/score/score-protos.h (score_initialize_trampoline): Remove.
6016         * config/score/score.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
6017         (TARGET_TRAMPOLINE_INIT): New.
6018         (score_asm_trampoline_template): New.
6019         (score_trampoline_init): Rename from score_initialize_trampoline;
6020         make static; adjust for hook parameters.
6021         * config/score/score.h (TRAMPOLINE_TEMPLATE): Move code to
6022         score[37]_asm_trampoline_template.
6023         (INITIALIZE_TRAMPOLINE): Remove.
6024         * config/score/score3.c (score3_asm_trampoline_template): New.
6025         (score3_trampoline_init): Rename from score3_initialize_trampoline;
6026         adjust for target hook.
6027         * config/score/score7.c (score7_asm_trampoline_template): New.
6028         (score7_trampoline_init): Rename from score7_initialize_trampoline;
6029         adjust for target hook.
6030         * config/score/score3.h, config/score/score7.h: Update.
6031
6032         * config/sh/sh-protos.h (sh_initialize_trampoline): Remove.
6033         * config/sh/sh.c (TARGET_TRAMPOLINE_INIT): New.
6034         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
6035         (sh_trampoline_init): Rename from sh_initialize_trampoline;
6036         make static; adjust for target hook parameters.
6037         (sh_trampoline_adjust_address): New.
6038         * config/sh/sh.h (INITIALIZE_TRAMPOLINE): New.
6039         (TRAMPOLINE_ADJUST_ADDRESS): Move code to sh_trampoline_adjust_address.
6040
6041         * config/sparc/sparc.c (TARGET_TRAMPOLINE_INIT): New.
6042         (sparc32_initialize_trampoline): Rename from
6043         sparc_initialize_trampoline; make static; replace tramp parameter
6044         with m_tramp and update memory accesses.
6045         (sparc64_initialize_trampoline): Similarly.
6046         (sparc_trampoline_init): New.
6047         * config/sparc/sparc-protos.h: Remove trampoline decls.
6048         * config/sparc/sparc.h (INITIALIZE_TRAMPOLINE): Remove.
6049         * config/sparc/sparc.md (nonlocal_goto): Don't use static_chain_rtx.
6050
6051         * config/spu/spu.c (TARGET_TRAMPOLINE_INIT): New.
6052         (array_to_constant): Make ARR parameter const.
6053         (spu_trampoline_init): Rename from spu_initialize_trampoline;
6054         make static; update for hook parameters.
6055         * config/spu/spu-protos.h: Update decls.
6056         * config/spu/spu.h (INITIALIZE_TRAMPOLINE): Remove.
6057
6058         * config/stormy16/stormy16.c (xstormy16_trampoline_init): Rename
6059         from xstormy16_initialize_trampoline; make static; update for
6060         hook parameters.
6061         (TARGET_TRAMPOLINE_INIT): New.
6062         * config/stormy16/stormy16.h (INITIALIZE_TRAMPOLINE): Remove.
6063
6064         * config/v850/v850.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
6065         (TARGET_TRAMPOLINE_INIT): New.
6066         (v850_can_eliminate): Make static.
6067         (v850_asm_trampoline_template, v850_trampoline_init): New.
6068         * config/v850/v850.h (TRAMPOLINE_TEMPLATE): Move code to
6069         v850_asm_trampoline_template.
6070         (INITIALIZE_TRAMPOLINE): Move code to v850_trampoline_init
6071         and adjust for target hook parameters.
6072
6073         * config/vax/vax.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
6074         (TARGET_TRAMPOLINE_INIT): New.
6075         (vax_asm_trampoline_template, vax_trampoline_init): New.
6076         * config/vax/vax.h (TRAMPOLINE_TEMPLATE): Move code to
6077         vax_asm_trampoline_template.
6078         (INITIALIZE_TRAMPOLINE): Move code to vax_trampoline_init.
6079
6080         * config/xtensa/xtensa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
6081         (TARGET_TRAMPOLINE_INIT): New.
6082         (xtensa_asm_trampoline_template): Rename from
6083         xtensa_trampoline_template; make static.
6084         (xtensa_trampoline_init): Rename from xtensa_initialize_trampoline;
6085         make static; update for hook parameters.
6086         * config/xtensa/xtensa-protos.h: Remove trampoline decls.
6087         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Remove.
6088         (INITIALIZE_TRAMPOLINE): Remove.
6089
6090         * config/i386/i386.c (ix86_function_regparm): Do not issue an
6091         error for nested functions with regparm=3.
6092         (ix86_compute_frame_layout): Adjust frame pointer offset for
6093         ix86_static_chain_on_stack.
6094         (ix86_expand_prologue): Handle ix86_static_chain_on_stack.
6095         (ix86_emit_restore_reg_using_pop): Increment ix86_cfa_state->offset,
6096         don't reset to UNITS_PER_WORD.
6097         (ix86_emit_leave): Adjust ix86_cfa_state.
6098         (ix86_expand_epilogue): Handle ix86_static_chain_on_stack.
6099         (ix86_static_chain): New.
6100         (ix86_trampoline_init): Rename from x86_initialize_trampoline;
6101         make static; update for target hook parameters; use ix86_static_chain.
6102         (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
6103         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Remove.
6104         (INITIALIZE_TRAMPOLINE): Remove.
6105         (TRAMPOLINE_SIZE): Use 24 for 64-bit.
6106         (struct machine_function): Use BOOL_BITFIELD; rearrange bitfields
6107         to the end.  Add static_chain_on_stack.
6108         (ix86_static_chain_on_stack): New.
6109
6110         * config/m68k/m68k.c (TARGET_TRAMPOLINE_INIT): New.
6111         (m68k_output_mi_thunk): Don't use static_chain_rtx.
6112         (m68k_trampoline_init): New.
6113         * config/m68k/m68k.h (INITIALIZE_TRAMPOLINE): Move code to
6114         m68k_trampoline_init and adjust for hook parameters.
6115         * config/m68k/netbsd-elf.h (TRAMPOLINE_TEMPLATE): Remove.
6116         (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Remove.
6117
6118 2009-09-22  Jakub Jelinek  <jakub@redhat.com>
6119
6120         * config/rs6000/rs6000.c (bdesc_2arg): Fix CODE_FOR_vector_gt* codes
6121         for __builtin_altivec_vcmpgt{sb,uh,sh,uw}.
6122
6123         * reload1.c (reload): Call wrap_constant when substituting
6124         reg for equiv inside of DEBUG_INSNs.
6125
6126         PR bootstrap/41405
6127         * dwarf2out.c (base_type_die, record_type_tag, gen_subprogram_die,
6128         add_call_src_coords_attributes, add_high_low_attributes,
6129         gen_compile_unit_die, gen_type_die_with_usage force_decl_die,
6130         gen_decl_die, dwarf2out_imported_module_or_decl_1, dwarf2out_finish,
6131         dwarf2out_imported_module_or_decl): Avoid using DWARF3 additions
6132         when -gdwarf-2 -gstrict-dwarf.
6133         (loc_list_from_tree): Likewise.  Avoid using DWARF4 additions when
6134         -gdwarf-[23] -gstrict-dwarf.
6135         (address_of_int_loc_descriptor, loc_descriptor,
6136         loc_list_for_address_of_addr_expr_of_indirect_ref): Avoid using
6137         DWARF4 additions when -gdwarf-[23] -gstrict-dwarf.
6138         * common.opt (gno-strict-dwarf, gstrict-dwarf): New options.
6139
6140 2009-09-22  Richard Guenther  <rguenther@suse.de>
6141
6142         PR tree-optimization/41428
6143         * tree-ssa-ccp.c (ccp_fold_stmt): New function.
6144         (ccp_finalize): Pass it to substitute_and_fold.
6145
6146 2009-09-22  Richard Guenther  <rguenther@suse.de>
6147
6148         * tree-ssa-propagate.h (ssa_prop_fold_stmt_fn): Declare.
6149         (substitute_and_fold): Adjust prototype.
6150         * tree-vrp.c (vrp_evaluate_conditional): Make static.
6151         (simplify_stmt_using_ranges): Likewise.
6152         (fold_predicate_in): Move here from tree-ssa-propagate.c.
6153         (vrp_fold_stmt): New function.
6154         (vrp_finalize): Pass it to substitute_and_fold.
6155         * tree-flow.h (vrp_evaluate_conditional): Remove.
6156         (simplify_stmt_using_ranges): Likewise.
6157         * tree-ssa-ccp.c (ccp_finalize): Adjust call to substitute_and_fold.
6158         * tree-ssa-copy.c (fini_copy_prop): Likewise.
6159         * tree-ssa-propagate.c (struct prop_stats_d): Rename num_pred_folded
6160         member.
6161         (fold_predicate_in): Move to tree-vrp.c.
6162         (substitute_and_fold): Use the callback instead of calling into
6163         tree-vrp.c functions directly.
6164
6165 2009-09-22  Jakub Jelinek  <jakub@redhat.com>
6166
6167         * dwarf2out.c (address_of_int_loc_descriptor): Avoid signed/unsigned
6168         comparison warning on rs6000.
6169
6170         PR middle-end/41429
6171         * tree-cfg.c (remove_useless_stmts_tc): Call gsi_next (gsi) even for
6172         GIMPLE_EH_MUST_NOT_THROW cleanup.
6173         (verify_types_in_gimple_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
6174
6175 2009-09-22  Jack Howarth  <howarth@bromo.med.uc.edu>
6176
6177         PR middle-end/41260
6178         * gcc/config.gcc: Use darwin9.h and darwin10.h on darwin10 and later.
6179         * gcc/config/darwin10.h: Add file to pass -no_compact_unwind on
6180         LIB_SPEC for darwin10 and later since it always uses the unwinder in
6181         libSystem which is derived from the gcc 4.2.1 unwinder.
6182
6183 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
6184
6185         PR middle-end/41357
6186         * varasm.c (default_encode_section_info): Copy TLS model into
6187         sym_ref flags regardless of backend support for TLS, for all
6188         model types except TLS_MODEL_EMULATED.
6189
6190 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
6191
6192         PR bootstrap/41404
6193         * dwarf2out.c (mem_loc_descriptor): Punt on CONST_STRING until
6194         we can handle it correctly.
6195
6196 2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>
6197
6198         * doc/install.texi (os2): Remove section.
6199
6200 2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>
6201
6202         * doc/standards.texi (Objective-C): Adjust two URLs.
6203
6204 2009-09-21  Giuseppe Scrivano <gscrivano@gnu.org>
6205
6206         * tree-tailcall.c (process_assignment): Don't check if a
6207         multiplication or an addition are already present.
6208         (find_tail_calls): Combine multiple additions and multiplications.
6209         (adjust_accumulator_values): Emit accumulators.
6210
6211 2009-09-21  Kai Tietz  <kai.tietz@onevision.com>
6212
6213         * config/i386/i386.c (ix86_expand_epilogue): Adjust offset for
6214         xmm register restore.
6215
6216 2009-09-21  Jan Hubicka  <jh@suse.cz>
6217
6218         * dwarf2out.c (decl_loc_table_eq): Allow decl_loc_table to be NULL.
6219         (dwarf2out_abstract_function): NULLify decl_loc_table at begginig and
6220         restore at the end.
6221
6222 2009-09-21  Eric Botcazou  <ebotcazou@adacore.com>
6223
6224         * stor-layout.c (layout_type): Remove obsolete code.
6225
6226 2009-09-20  H.J. Lu  <hongjiu.lu@intel.com>
6227
6228         PR middle-end/41395
6229         * opts.c (decode_options): Don't turn on flag_ipa_sra for opt2.
6230
6231 2009-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6232
6233         PR middle-end/30789
6234         * builtins.c (do_mpc_arg2): Accept DO_NONFINITE parameter.
6235         (do_mpc_ckconv): Accept FORCE_CONVERT parameter.
6236         (fold_builtin_2, do_mpc_arg1): Update accordingly.
6237         * fold-const.c (const_binop): Likewise.
6238         * real.h (do_mpc_arg2): Update prototype.
6239
6240 2009-09-20  Jan Hubicka  <jh@suse.cz>
6241
6242         * dwarf2out.c (add_const_value_attribute): Return true if successful.
6243         (add_location_or_const_value_attribute): Rewrite using
6244         loc_list_from_tree.
6245         (tree_add_const_value_attribute): Return true if successful.
6246         (tree_add_const_value_attribute_for_decl): Likewise.
6247
6248         * dwarf2out.c (address_of_int_loc_descriptor): Break out from ...
6249         (loc_descriptor): ... here;
6250         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
6251         (cst_pool_loc_descr): Break out from ...; do not reffer constant
6252         pool items that was not marked for output.
6253         (loc_list_from_tree): ... here; handle special cases of ADDR_EXPR;
6254         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
6255         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
6256         handle ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, REALPART_EXPR,
6257         IMAGPART_EXPR; handle address of INTEGER_CST; improve handling of
6258         CONSTRUCTOR; handle REAL_CST, STRING_CST, COMPLEX_CST; use
6259         DW_OP_stack_value to get address of items that are not available
6260         as addresses.
6261         (dw_loc_list): Handle single element lists correctly.
6262
6263 2009-09-20  Kai Tietz  <kai.tietz@onevision.com>
6264             Pascal Obry  <obry@adacore.com>
6265
6266         * unwind-dw2-fde.c (classify_object_over_fdes):
6267         Cast the constant 1 to _Unwind_Ptr.
6268         (add_fdes): Likewise.
6269         (linear_search_fdes): Likewise.
6270
6271 2009-09-20  Eric Botcazou  <ebotcazou@adacore.com>
6272
6273         * stor-layout.c (set_sizetype): Avoid useless type copy.
6274
6275 2009-09-20  Richard Sandiford  <rdsandiford@googlemail.com>
6276
6277         * configure.ac (gcc_cv_ld_mips_personality_relaxation): New
6278         feature check.
6279         (HAVE_LD_PERSONALITY_RELAXATION): New macro definition.
6280         * configure, config.in: Regenerate.
6281         * dwarf2asm.c (eh_data_format_name): Handle DW_EH_PE_indirect |
6282         DW_EH_PE_absptr.
6283         * config/mips/mips.h (TARGET_WRITABLE_EH_FRAME): New macro.
6284         (ASM_PREFERRED_EH_DATA_FORMAT): Define.  Use MIPS_EH_INDIRECT
6285         for global data if the output could be used in a shared library.
6286         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
6287         to 0 if TARGET_WRITABLE_EH_FRAME.
6288
6289 2009-09-20  Paolo Bonzini <bonzini@gnu.org>
6290
6291         PR rtl-optimization/39886
6292         * combine.c (update_cfg_for_uncondjump): Set EDGE_FALLTHRU
6293         just when insn is equal to BB_END (bb).
6294
6295 2009-09-19  Adam Nemet  <anemet@caviumnetworks.com>
6296
6297         * config/mips/mips.opt (mrelax-pic-calls): New option.
6298         * config/mips/mips.c (mips_strip_unspec_address): Move it up in
6299         the file.
6300         (mips_unspec_call): Change "unspec_call" expander into this.
6301         (mips_strip_unspec_call): New function.
6302         (mips_got_load): Call mips_unspec_call instead of
6303         gen_unspec_call<mode>.
6304         (mips16_build_call_stub): Fix comment for fp_code.  Adjust call to
6305         MIPS_CALL.
6306         (mips_cfg_in_reorg): New function.
6307         (mips16_lay_out_constants): Use it to decide whether to call
6308         CFG-aware insn splitting.
6309         (r10k_insert_cache_barriers): Move CFG set-up code from here to
6310         mips_reorg.  Move DF set-up code from here ...
6311         (mips_df_reorg): ... to here.  Call r10k_insert_cache_barriers
6312         from here.
6313         (mips_reorg): Call mips_df_reorg instead of
6314         r10k_insert_cache_barriers.  Move CFG set-up code here from
6315         r10k_insert_cache_barriers.
6316         (mips_call_expr_from_insn): New function.
6317         (mips_pic_call_symbol_from_set): Likewise.
6318         (mips_find_pic_call_symbol): Likewise.
6319         (mips_annotate_pic_call_expr): Likewise.
6320         (mips_get_pic_call_symbol): Likewise.
6321         (mips_annotate_pic_calls): Likewise.
6322         (mips_override_options): Disable -mrelax-pic-calls unless PIC
6323         calls are used.
6324         (mips_set_mips16_mode): Disable -mrelax-pic-calls for MIPS16.
6325         * config/mips/mips-protos.h (mips_get_pic_call_symbol): Declare it.
6326         * config/mips/mips.h (MIPS_CALL): Use it to print the .reloc
6327         directive.
6328         * config/mips/mips.md (UNSPEC_CALL_ATTR): New unspec.
6329         (unspec_call<mode>): Remove it.
6330         (sibcall_internal, sibcall_value_internal,
6331         sibcall_value_multiple_internal, call_internal, call_split,
6332         call_value_internal, call_value_split,
6333         call_value_multiple_internal, call_value_multiple_split): Pass
6334         SIZE_OPNO to MIPS_CALL.
6335         (call_internal_direct, call_direct_split,
6336         call_value_internal_direct, call_value_direct_split): Pass -1 as
6337         SIZE_OPNO to MIPS_CALL.
6338         * configure.ac <mips*-*-*>: Add test for .reloc R_MIPS_JALR.
6339         * configure: Regenerate.
6340         * doc/invoke.texi (Option Summary): Add -mrelax-pic-calls
6341         and -mno-relax-pic-calls.
6342         (MIPS Options): Document -mrelax-pic-calls and -mno-relax-pic-calls.
6343
6344 2009-09-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6345
6346         PR bootstrap/35619
6347         * Makefile.in (stmp-fixinc): Ensure `include-fixed' is created
6348         in the directory this rule is called from, rather than the
6349         toplevel 'gcc' directory, to fix in-tree build.
6350
6351 2009-09-19  Chris Demetriou  <cgd@google.com>
6352
6353         PR preprocessor/28435:
6354         * c-opts.c (c_common_handle_option): For -MD and -MMD, indicate
6355         to cpplib that the preprocessor output is needed.
6356
6357 2009-09-19  Jakub Jelinek  <jakub@redhat.com>
6358
6359         * config/rs6000/rs6000.md (*save_gpregs_<mode>, *save_fpregs_<mode>,
6360         *restore_gpregs_<mode>, *return_and_restore_gpregs_<mode>,
6361         *return_and_restore_fpregs_<mode>,
6362         *return_and_restore_fpregs_aix_<mode>): Remove 'z' operand modifier.
6363
6364         PR bootstrap/41397
6365         * dwarf2out.c (mem_loc_descriptor) <case SUBREG>: Recurse
6366         instead of assuming it has always a REG inside of it.
6367
6368 2009-09-18  Gerald Pfeifer  <gerald@pfeifer.com>
6369
6370         * config/freebsd.h: Update comment on types.
6371         (WINT_TYPE): Define.
6372
6373 2009-09-18  Jason Merrill  <jason@redhat.com>
6374
6375         * c.opt: Add -fno-deduce-init-list.
6376
6377 2009-09-18  Neil Vachharajani  <nvachhar@google.com>
6378
6379         * value-prof.c (interesting_stringop_to_profile_p): Added output
6380         argument to indicate which parameter is the size parameter.
6381         * value-prof.c (gimple_stringop_fixed_value): Use
6382         INTERESTING_STRINGOP_TO_PROFILE_P to find size argument.
6383         * value-prof.c (gimple_stringops_transform): Update call sites to
6384         INTERESTING_STRINGOP_TO_PROFILE_P to reflect parameter change.
6385
6386 2009-09-18  Uros Bizjak  <ubizjak@gmail.com>
6387
6388         PR target/38288
6389         From David Binderman <dcb314@hotmail.com>:
6390         * gcc/config/i386/i386.c (ix86_function_regparm): Remove useless
6391         local variable f.  Remove stale comments.
6392         (ix86_compute_frame_layout): Remove useless local variable total_size.
6393         Remove #if 0'd code.
6394         (legitimate_address_p): Remove useless local variables
6395         reason_rtx and reason.
6396         (ix86_split_copysign_const): Remove useless local variable op1.
6397         (scale_counter): Remove useless local variable piece_size_mask.
6398
6399 2009-09-18  Jakub Jelinek  <jakub@redhat.com>
6400
6401         * stmt.c (expand_asm_operands): Set REG_ATTRS on the temporary from
6402         output decl.
6403
6404 2009-09-17  Michael Haubenwallner  <michael.haubenwallner@salomon.at>
6405
6406         PR target/40913
6407         * config/pa/t-hpux-shlib: Set soname in libgcc_s.sl.
6408
6409 2009-09-17  Jakub Jelinek  <jakub@redhat.com>
6410
6411         * c-decl.c (finish_struct): Adjust DECL_SOURCE_LOCATION of
6412         TYPE_STUB_DECL.
6413
6414 2009-09-17  Alexandre Oliva  <aoliva@redhat.com>
6415
6416         * dwarf2out.c (loc_descriptor): Emit DW_OP_stack_value and
6417         DW_OP_implicit_value even without dwarf_version 4.
6418
6419 2009-09-17  Jan Hubicka  <jh@suse.cz>
6420
6421         * dwarf2out.c: Include tree-pass.h and gimple.h.
6422         (loc_list_plus_const): New function.
6423         (loc_descriptor_from_tree_1): Rename to ...
6424         (loc_descriptor_from_tree): ... remove original.
6425         (loc_list_from_tree): New function.
6426         (add_AT_location_description): Accept location list.
6427         (tls_mem_loc_descriptor): Update call of loc_descriptor_from_tree.
6428         (concatn_mem_loc_descriptor): Remove.
6429         (mem_loc_descriptor): Handle CONCAT/CONCATN and VAR_LOCATION by
6430         returning NULL.
6431         (secname_for_decl): Move up.
6432         (hidden_reference_p): New function; break out from ...
6433         (loc_by_refernece): ... here; move up.
6434         (dw_loc_list): New function.
6435         (single_element_loc_list): New function.
6436         (single_element_loc_list_p): New function.
6437         (add_loc_descr_to_each): New function.
6438         (add_loc_list): New function.
6439         (loc_descr_from_tree): Make wraper of loc_list_from_tree.
6440         (loc_list_from_tree): Reroganized from loc_descr_from_tree;
6441         add diagnostics why expansion failed.
6442         (add_location_or_const_value_attribute): Support location lists.
6443         (add_bound_info): Likewise.
6444         (descr_info_loc): Update call of loc_descriptor_from_tree.
6445         (gen_variable_die): Work on location lists.
6446         * final.c (pass_final): Add dump file.
6447         * Makefile.in (dwarf2out.o): Add new dependencies.
6448
6449 2009-09-17  Janis Johnson  <janis187@us.ibm.com>
6450
6451         PR c/41049
6452         * real.c decimal_from_integer, decimal_integer_string): New.
6453         (real_from_integer): Use them as special case for decimal float.
6454         * config/dfp-bit.c (_si_to_sd, _usi_to_sd): Use default rounding.
6455         (_di_to_sd, _di_to_dd, _di_to_td, _udi_to_sd, _udi_to_dd, _udi_to_td):
6456         Do not append zero after the decimal point in string to convert.
6457
6458 2009-09-17  Alexander Monakov  <amonakov@ispras.ru>
6459
6460         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
6461         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
6462
6463 2009-09-17  Martin Jambor  <mjambor@suse.cz>
6464
6465         * common.opt (fipa-sra): New switch.
6466         * opts.c (decode_options): Turn flag_ipa_sra on for opt2.
6467         * timevar.def (TV_IPA_SRA): New timevar.
6468         * params.def (ipa-sra-ptr-growth-factor): New parameter.
6469         * doc/invoke.texi: Document -fipa-sra and ipa-sra-ptr-growth-factor.
6470         * tree-sra.c: Include cgraph.c.
6471         (enum sra_mode): Added SRA_MODE_EARLY_IPA.
6472         (struct access): Added fields stmt, grp_maybe_modified, grp_scalar_ptr
6473         and grp_not_necessarilly_dereferenced.
6474         (func_param_count): New variable.
6475         (encountered_apply_args): New variable.
6476         (bb_dereferences): New variable.
6477         (final_bbs): New variable.
6478         (no_accesses_representant): New variable.
6479         (no_accesses_p): New function.
6480         (dump_access): Dump the new fields.
6481         (sra_initialize): Set encountered_apply_args to false.
6482         (get_ssa_base_param): New function.
6483         (mark_parm_dereference): New function.
6484         (create_access): Caring for INIDRECT_REFs and different handling of
6485         varialble length accesses in early IPA SRA.  Store the stmt - a new
6486         parameter - to the new access.
6487         (build_access_from_expr_1): New parameter stmt, passed to
6488         create_access.  Handle INDIRECT_REFs.
6489         (build_access_from_expr): Pass the current statement to
6490         build_access_from_expr_1.
6491         (disqualify_ops_if_throwing_stmt): Trigger only in intraprocedural
6492         passes.
6493         (build_accesses_from_assign): Pass the current statement to
6494         build_access_from_expr_1.  Do not create assign links in IPA-SRA.
6495         (scan_function): Call handle_ssa_defs on phi nodes.  Set bits in
6496         final_bbs when necessary.  Check for calls to __builtin_apply_args.
6497         Fixup EH info if anythng was changed.
6498         (is_unused_scalar_param): New function.
6499         (ptr_parm_has_direct_uses): New function.
6500         (find_param_candidates): New function.
6501         (mark_maybe_modified): New function.
6502         (analyze_modified_params): New function.
6503         (propagate_dereference_distances): New function.
6504         (dump_dereferences_table): New function.
6505         (analyze_caller_dereference_legality): New function.
6506         (unmodified_by_ref_scalar_representative): New function.
6507         (splice_param_accesses): New function.
6508         (decide_one_param_reduction): New function.
6509         (enum ipa_splicing_result): New type.
6510         (splice_all_param_accesses): New function.
6511         (get_param_index): New function.
6512         (turn_representatives_into_adjustments): New function.
6513         (analyze_all_param_acesses): New function.
6514         (get_replaced_param_substitute): New function.
6515         (get_adjustment_for_base): New function.
6516         (replace_removed_params_ssa_names): New function.
6517         (sra_ipa_reset_debug_stmts): New function.
6518         (sra_ipa_modify_expr): New function.
6519         (sra_ipa_modify_assign): New function.
6520         (convert_callers): New function.
6521         (modify_function): New function.
6522         (ipa_sra_preliminary_function_checks): New function.
6523         (ipa_early_sra): New function.
6524         (ipa_early_sra_gate): New function.
6525         (pass_early_ipa_sra): New variable.
6526         * Makefile.in (tree-sra.o): Add cgraph.h to dependencies.
6527
6528 2009-09-17  Michael Matz  <matz@suse.de>
6529
6530         PR middle-end/41347
6531         * tree.c (build_type_attribute_qual_variant): Export.
6532         * tree.h (build_type_attribute_qual_variant): Declare.
6533         * tree-inline.c (remap_type_1): Use it to build variants with
6534         the original qualifiers and attributes.
6535
6536 2009-09-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6537
6538         * cfglayout.c (fixup_reorder_chain): Accept conditional jumps
6539         without a fallthrough edge.
6540
6541 2009-09-16  DJ Delorie  <dj@redhat.com>
6542
6543         * config/m32c/m32c.c (m32c_emit_epilogue): Check for R8C or M16C
6544         chip and ignore the "fast_interrupt" attribute if so.
6545
6546 2009-09-16  Richard Henderson  <rth@redhat.com>
6547
6548         PR middle-end/41360
6549         * cfgbuild.c (find_bb_boundaries): Really re-instate 2009-09-02
6550         barrier fix.
6551
6552 2009-09-16  Richard Henderson  <rth@redhat.com>
6553
6554         PR target/41246
6555         * tree-cfg.c (verify_gimple_call): Validate that gimple_call_chain
6556         is set only if DECL_NO_STATIC_CHAIN is unset.
6557         * tree-nested.c (iter_nestinfo_start, iter_nestinfo_next): New.
6558         (FOR_EACH_NEST_INFO): New.
6559         (walk_all_functions): Use it.
6560         (finalize_nesting_tree): Likewise.
6561         (unnest_nesting_tree): Likewise.
6562         (free_nesting_tree): Use iter_nestinfo_start, iter_nestinfo_next.
6563         (get_chain_decl, get_chain_field): Reset DECL_NO_STATIC_CHAIN.
6564         (convert_gimple_call): Early out if gimple_call_chain already set.
6565         (convert_all_function_calls): Iterate until no new functions
6566         require a static chain.
6567         (finalize_nesting_tree_1): Assert DECL_NO_STATIC_CHAIN is unset
6568         when building a trampoline.  Use dump_function_to_file instead
6569         of dump_function.
6570         (lower_nested_functions): Open dump_file.  Validate that decls
6571         that have DECL_NO_STATIC_CHAIN from the front end don't have that
6572         bit reset by this pass.
6573
6574 2009-09-16  Michael Matz  <matz@suse.de>
6575
6576         PR fortran/41212
6577         * tree.h (struct tree_decl_common): Add decl_restricted_flag,
6578         shorten decl_common_unused.
6579         (DECL_RESTRICTED_P): New accessor.
6580         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Use it
6581         to disambiguate marked decls and restrict pointers.
6582
6583 2009-09-16  Richard Henderson  <rth@redhat.com>
6584
6585         PR middle-end/41360
6586         * cfgbuild.c (find_bb_boundaries): Re-instate 2009-09-02 barrier fix.
6587
6588 2009-09-16  Jakub Jelinek  <jakub@redhat.com>
6589
6590         * integrate.c (set_block_abstract_flags): Call
6591         set_decl_abstract_flags also on BLOCK_NONLOCALIZED_VARs.
6592
6593 2009-09-16  Richard Guenther  <rguenther@suse.de>
6594
6595         PR middle-end/34011
6596         * tree-flow-inline.h (may_be_aliased): Compute readonly variables
6597         as non-aliased.
6598
6599 2009-09-16  DJ Delorie  <dj@redhat.com>
6600             Kaz Kojima  <kkojima@gcc.gnu.org>
6601
6602         * config/sh/sh.c (output_stack_adjust): Add new argument frame_p.
6603         (sh_expand_prologue): Update calls to output_stack_adjust.
6604         (sh_expand_epilogue): Likewise.
6605
6606 2009-09-15  Adam Nemet  <anemet@caviumnetworks.com>
6607
6608         PR bootstrap/41349
6609         * reorg.c (redundant_insn): Don't count notes or DEBUG_INSNs when
6610         trying to limit the extent of searches in the insn stream.
6611
6612 2009-09-15  Nathan Froyd  <froydnj@codesourcery.com>
6613             Jakub Jelinek  <jakub@redhat.com>
6614
6615         PR target/41175
6616         PR target/40677
6617         * config/rs6000/rs6000.c (no_global_regs_above): Fix precedence
6618         problem.
6619         (SAVRES_NOINLINE_GPRS_SAVES_LR, SAVRES_NOINLINE_FPRS_SAVES_LR,
6620         SAVRES_NOINLINE_FPRS_DOESNT_RESTORE_LR): New strategy bits.
6621         (rs6000_savres_strategy): Always save FP registers inline if the
6622         target doesn't support hardware double-precision.  Set the above
6623         bits in return value when needed.
6624         (rs6000_savres_routine_sym): Fix computation for cache selector.
6625         Mark the generated symbol as a function.  Rename exitp argument to
6626         lr.  Move code for determining the name of the symbol...
6627         (rs6000_savres_routine_name): ...here.  New function.  Add cases for
6628         getting the names right on AIX and 64-bit Linux.
6629         (savres_routine_name): New variable.
6630         (rs6000_make_savres_rtx): Rename exitp argument to lr.  Don't assert
6631         lr isn't set when savep.  Use r12 resp. r1 instead of r11 depending
6632         on what the target routine uses as a base register.  If savep && lr
6633         describe saving of r0 into memory slot.
6634         (rs6000_emit_prologue): Correct use of call_used_regs.  Fix out of
6635         line calls for AIX ABI.
6636         (rs6000_output_function_prologue): Use rs6000_savres_routine_name to
6637         determine FP save/restore functions.
6638         (rs6000_emit_stack_reset): Handle savres if sp_offset != 0 and
6639         frame_reg_rtx != sp_reg_rtx.  Use gen_add3_insn instead of
6640         gen_addsi3.
6641         (rs6000_emit_epilogue): Adjust computation of restore_lr.
6642         Duplicate restoration of LR and execute the appropriate one
6643         depending on whether GPRs are being restored inline.  Set r11 from
6644         offsetted frame_reg_rtx instead of sp_reg_rtx; if frame_reg_rtx is
6645         r11, adjust sp_offset.  Use gen_add3_insn instead of gen_addsi3.
6646         Fix out of line calls for AIX ABI.
6647         * config/rs6000/rs6000.md (*return_and_restore_fpregs_aix_<mode>):
6648         New insn.
6649         * config/rs6000/spe.md (*save_gpregs_spe): Use explicit match for
6650         register 11.
6651         (*restore_gpregs_spe): Likewise.
6652         (*return_and_restore_gpregs_spe): Likewise.
6653         * config/rs6000/linux64.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
6654         Define to empty string unconditionally.
6655         * config/rs6000/sysv4.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
6656         Define to empty string unconditionally.
6657         (GP_SAVE_INLINE, FP_SAVE_INLINE): Handle TARGET_64BIT the same as
6658         !TARGET_64BIT.
6659
6660 2009-09-15  Jan Hubicka  <jh@suse.cz>
6661
6662         * doc/invoke.texi (inline-insns-auto): Drop from 60 to 50.
6663         * params.def (inline-insns-auto): Likewise.
6664
6665 2009-09-15  Martin Jambor  <mjambor@suse.cz>
6666
6667         * ipa-inline.c (estimate_function_body_sizes): Dump info about
6668         individual statements only at TDF_DETAILS dump level.  Format
6669         source for 80 characters per line.
6670
6671 2009-09-15  Christian Bruel  <christian.bruel@st.com>
6672
6673         * regrename.c (do_replace): Update REG_DEAD notes.
6674
6675 2009-09-15  Revital Eres  <eres@il.ibm.com>
6676
6677         * doc/tm.texi (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Document.
6678         * targhooks.c (default_builtin_support_vector_misalignment):
6679         New builtin function.
6680         * targhooks.h (default_builtin_support_vector_misalignment):
6681         Declare.
6682         * target.h (builtin_support_vector_misalignment):
6683         New field in struct gcc_target.
6684         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Call
6685         new builtin function.
6686         * target-def.h (TARGET_SUPPORT_VECTOR_MISALIGNMENT):
6687         Define.
6688         * config/rs6000/rs6000.c
6689         (rs6000_builtin_support_vector_misalignment): New function.
6690         (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Define.
6691
6692 2009-09-15  Jie Zhang  <jie.zhang@analog.com>
6693
6694         * config/bfin/bfin.c (length_for_loop): Use NONDEBUG_INSN_P
6695         instead of INSN_P.
6696         (bfin_optimize_loop): Likewise.
6697         (bfin_gen_bundles): Likewise.
6698         (workaround_speculation): Likewise.
6699         (find_load): Return NULL_RTX for debug_insn.
6700
6701 2009-09-15  Uros Bizjak  <ubizjak@gmail.com>
6702
6703         * config/alpha/alpha.md (smaxsf3): Disable for IEEE mode.
6704         (sminsf3): Ditto.
6705
6706 2009-09-14  DJ Delorie  <dj@redhat.com>
6707
6708         * config/mep/mep.h (JUMP_TABLES_IN_TEXT_SECTION): Define.
6709         * config/mep/mep.c (mep_emit_cbranch): Don't use BEQZ/BNEI in
6710         VLIW mode.
6711
6712 2009-09-14  Richard Henderson  <rth@redhat.com>
6713             Jakub Jelinek  <jakub@redhat.com>
6714
6715         * builtins.c (expand_builtin_synchronize): Use gimple_build_asm_vec.
6716         * cfgbuild.c (make_edges): Handle asm goto.
6717         * cfglayout.c (fixup_reorder_chain): Likewise.
6718         * cfgrtl.c (patch_jump_insn): Likewise.
6719         * gimple-pretty-print.c (dump_gimple_asm): Likewise.
6720         * gimple.c (gimple_build_asm_1): Add and use nlabels parameter.
6721         (gimple_build_asm_vec): Add and use labels parameter.
6722         (gimple_build_asm): Remove.
6723         (walk_gimple_asm): Walk labels too.
6724         * gimple.def (GIMPLE_ASM): Update docs.
6725         * gimple.h: Update decls.
6726         (struct gimple_statement_asm): Change nc to use unsigned char;
6727         add nl member.
6728         (gimple_asm_nlabels): New.
6729         (gimple_asm_label_op, gimple_asm_set_label_op): New.
6730         * gimplify.c (gimplify_asm_expr): Copy labels from ASM_EXPR
6731         into gimple_build_asm_vec.
6732         * jump.c (mark_jump_label_asm): New.
6733         (mark_jump_label): Use it.
6734         (redirect_jump_1): Handle asm goto.
6735         (invert_jump_1): Soft fail if X is null.
6736         * recog.c (extract_asm_operands): New.
6737         (asm_noperands): Use it; handle asm labels.
6738         (decode_asm_operands): Use extract_asm_operands.
6739         (asm_operand_ok): Properly handle empty string.
6740         * reg-stack.c (get_asm_operands_in_out): Rename from
6741         get_asm_operand_n_inputs; use extract_asm_operands; return both
6742         inputs and outputs by reference; update all callers.
6743         * rtl.def (ASM_OPERANDS): Add label vector as operand 6.
6744         * rtl.h (ASM_OPERANDS_LABEL_VEC): New.
6745         (ASM_OPERANDS_LABEL_LENGTH, ASM_OPERANDS_LABEL): New.
6746         (ASM_OPERANDS_SOURCE_LOCATION): Renumber.
6747         (extract_asm_operands): Declare.
6748         * stmt.c (expand_asm_operands): Add and use labels parameter.
6749         (check_unique_operand_names): Likewise.
6750         (resolve_asm_operand_names, resolve_operand_name_1): Likewise.
6751         (expand_asm_stmt): Handle asm labels.
6752         * tree-cfg.c (make_gimple_asm_edges): New.
6753         (make_edges): Use it.
6754         (cleanup_dead_labels): Handle asm labels.
6755         (is_ctrl_altering_stmt): Likewise.
6756         (gimple_redirect_edge_and_branch): Likewise.
6757         * tree.def (ASM_EXPR): Add 5th operand.
6758         * tree.h (ASM_LABELS): New.
6759         (resolve_asm_operand_names): Update decl.
6760
6761         * c-parser.c (c_parser_asm_statement): Parse asm goto.
6762         (c_parser_asm_goto_operands): New.
6763         * c-tree.h (build_asm_expr): Update decl.
6764         * c-typeck.c (build_asm_expr): Add and use labels parameter.
6765         * doc/extend.texi: Document asm goto.
6766
6767 2009-09-14  Richard Henderson  <rth@redhat.com>
6768
6769         * except.h: Update declarations.
6770         (struct pointer_map_t): Forward declare.
6771         (ERT_UNKNOWN, ERT_THROW, ERT_CATCH): Remove.
6772         (struct eh_landing_pad_d, eh_landing_pad): New.
6773         (struct eh_catch_d, eh_catch): New.
6774         (struct eh_region_d): Remove next_region_sharing_label, aka,
6775         label, tree_label, landing_pad, post_landing_pad, resume,
6776         may_contain_throw.  Rename region_number to index.  Remove
6777         u.eh_catch, u.eh_throw.  Rename u.eh_try.eh_catch to first_catch.
6778         Add u.must_not_throw, landing_pads, exc_ptr_reg, filter_reg.
6779         (VEC(eh_landing_pad,gc)): New.
6780         (struct eh_status): Remove last_region_number.  Add lp_array,
6781         throw_stmt_table, ttype_data, ehspec_data.
6782         (ehr_next, FOR_ALL_EH_REGION_AT): New.
6783         (FOR_ALL_EH_REGION_FN, FOR_ALL_EH_REGION): New.
6784         * except.c (lang_protect_cleanup_actions): Return tree.
6785         (struct ehl_map_entry): Remove.
6786         (init_eh_for_function): Push zero entries for region and lp_array.
6787         (gen_eh_region): Add to region_array immediately.
6788         (gen_eh_region_catch): Operate on eh_catch objects.
6789         (gen_eh_landing_pad): New.
6790         (get_eh_region_may_contain_throw, get_eh_region_tree_label): Remove.
6791         (get_eh_region_no_tree_label, set_eh_region_tree_label): Remove.
6792         (get_eh_region_from_number, get_eh_region_from_number_fn): New.
6793         (get_eh_landing_pad_from_number_fn): New.
6794         (get_eh_landing_pad_from_number): New.
6795         (get_eh_region_from_lp_number_fn): New.
6796         (get_eh_region_from_lp_number): New.
6797         (expand_resx_stmt, note_eh_region_may_contain_throw): Remove.
6798         (get_exception_pointer, get_exception_filter): Remove.
6799         (collect_eh_region_array, can_be_reached_by_runtime): Remove.
6800         (current_function_has_exception_handlers): Simplify.
6801         (bring_to_root, eh_region_replaceable_by_p): Remove.
6802         (replace_region, hash_type_list, hash_eh_region): Remove.
6803         (eh_regions_equal_p, merge_peers, remove_unreachable_regions): Remove.
6804         (label_to_region_map, num_eh_regions): Remove.
6805         (get_next_region_sharing_label, must_not_throw_labels): Remove.
6806         (find_exception_handler_labels): Remove.
6807         (duplicate_eh_regions_0, find_prev_try): Remove.
6808         (struct duplicate_eh_regions_data): New.
6809         (duplicate_eh_regions_1): Rewrite.
6810         (duplicate_eh_regions): Return a pointer map instead of an
6811         integer offset.
6812         (copy_eh_region_1, copy_eh_region, push_reachable_handler): Remove.
6813         (redirect_eh_edge_to_label): Remove.
6814         (eh_region_outermost): Rewrite using eh_region pointers
6815         instead of integers.
6816         (add_ttypes_entry): Update for ttype_data move to eh_status.
6817         (add_ehspec_entry): Rewrite with VEC instead of varray.
6818         (assign_filter_values): Likewise.  Export.
6819         (build_post_landing_pads, connect_post_landing_pads): Remove.
6820         (dw2_build_landing_pads): Rewrite to use lp_array.
6821         (struct sjlj_lp_info, sjlj_find_directly_reachable_regions): Remove.
6822         (sjlj_assign_call_site_values): Rewrite to use lp_array.
6823         (sjlj_emit_dispatch_table, sjlj_build_landing_pads): Likewise.
6824         (sjlj_mark_call_sites): Update for landing pad numbers.
6825         (finish_eh_generation): Rewrite.
6826         (gate_handle_eh): Do nothing for no eh tree.
6827         (pass_rtl_eh): Move up near finish_eh_generation.
6828         (remove_eh_landing_pad): New.
6829         (remove_eh_handler): Export.
6830         (remove_eh_region, remove_eh_handler_and_replace): Remove.
6831         (for_each_eh_label): Rewrite to use lp_array.
6832         (make_reg_eh_region_note): New.
6833         (make_reg_eh_region_note_nothrow_nononlocal): New.
6834         (insn_could_throw_p): New.
6835         (copy_reg_eh_region_note_forward): New.
6836         (copy_reg_eh_region_note_backward): New.
6837         (check_handled, add_reachable_handler): Remove.
6838         (reachable_next_level, foreach_reachable_handler): Remove.
6839         (arh_to_landing_pad, arh_to_label, reachable_handlers): Remove.
6840         (get_eh_region_and_lp_from_rtx): New.
6841         (get_eh_region_from_rtx): New.
6842         (can_throw_internal_1, can_throw_external_1): Remove.
6843         (can_throw_internal): Use get_eh_region_from_rtx.
6844         (can_throw_external): Use get_eh_region_and_lp_from_rtx.
6845         (insn_nothrow_p, can_nonlocal_goto): New.
6846         (expand_builtin_eh_common, expand_builtin_eh_pointer): New.
6847         (expand_builtin_eh_filter, expand_builtin_eh_copy_values): New.
6848         (add_action_record): Use VEC not varray.
6849         (collect_one_action_chain): Update for eh_region changes.
6850         (convert_to_eh_region_ranges): Make static.  Use VEC not varray.
6851         Use get_eh_region_and_lp_from_rtx.
6852         (gate_convert_to_eh_region_ranges): New.
6853         (pass_convert_to_eh_region_ranges): Use it.
6854         (push_uleb128, push_sleb128): Use VEC not varray.
6855         (output_one_function_exception_table): Likewise.
6856         (dump_eh_tree): Update for eh_region changes.
6857         (verify_eh_tree): Likewise.
6858         (verify_eh_region, default_init_unwind_resume_libfunc): Remove.
6859         * tree-eh.c: Include target.h.
6860         (add_stmt_to_eh_lp_fn): Rename from add_stmt_to_eh_region_fn.
6861         Don't disallow GIMPLE_RESX; adjust argument check.
6862         (add_stmt_to_eh_lp): Rename from add_stmt_to_eh_region.
6863         (record_stmt_eh_region): Update for landing pad numbers;
6864         generate a landing pad if necessary.
6865         (remove_stmt_from_eh_lp): Rename from remove_stmt_from_eh_region.
6866         (remove_stmt_from_eh_lp_fn): Similarly.
6867         (lookup_stmt_eh_lp_fn): Rename from lookup_stmt_eh_region_fn.
6868         Update for lp numbers; don't special case missing throw_stmt_table.
6869         (lookup_expr_eh_lp): Similarly.
6870         (lookup_stmt_eh_lp): Rename from lookup_stmt_eh_region.
6871         (eh_seq, eh_region_may_contain_throw): New.
6872         (struct leh_state): Add ehp_region.
6873         (struct leh_tf_state): Remove eh_label.
6874         (emit_post_landing_pad): New.
6875         (emit_resx, emit_eh_dispatch): New.
6876         (note_eh_region_may_contain_throw): New.
6877         (frob_into_branch_around): Take eh_region not eh label;
6878         emit eh code into eh_seq.
6879         (honor_protect_cleanup_actions): Early exit for no actions.  Don't
6880         handle EXC_PTR_EXPR, FILTER_EXPR.  Use gimple_build_eh_must_not_throw,
6881         lower_eh_must_not_throw.  Emit code to eh_seq.
6882         (lower_try_finally_nofallthru): Emit eh code to eh_seq.
6883         (lower_try_finally_onedest): Likewise.
6884         (lower_try_finally_copy): Likewise.
6885         (lower_try_finally_switch): Likewise.
6886         (lower_try_finally): Initialize ehp_region.
6887         (lower_catch): Update for eh_catch objects.
6888         (lower_eh_filter): Don't handle must_not_throw.
6889         (lower_eh_must_not_throw): New.
6890         (lower_cleanup): Don't set eh_label.
6891         (lower_eh_constructs_2): Resolve eh builtins.
6892         Handle GIMPLE_EH_MUST_NOT_THROW.
6893         (lower_eh_constructs): Initialize eh_region_may_contain_throw.
6894         Add eh_seq to the end of the function body.
6895         (make_eh_dispatch_edges): New.
6896         (make_eh_edge): Remove.
6897         (make_eh_edges): Simplify for landing pads.
6898         (redirect_eh_edge_1): New.
6899         (redirect_eh_edge): Use it.
6900         (redirect_eh_dispatch_edge): New.
6901         (stmt_could_throw_p): Use a switch.  Allow RESX.
6902         (stmt_can_throw_external): Use lookup_stmt_eh_lp.
6903         (stmt_can_throw_internal): Likewise.
6904         (maybe_clean_eh_stmt_fn, maybe_clean_eh_stmt): New.
6905         (maybe_clean_or_replace_eh_stmt): Update for landing pads.
6906         (maybe_duplicate_eh_stmt_fn, maybe_duplicate_eh_stmt): New.
6907         (gate_refactor_eh): New.
6908         (pass_refactor_eh): Use it.
6909         (lower_resx, execute_lower_resx, pass_lower_resx): New.
6910         (lower_eh_dispatch, execute_lower_eh_dispatch): New.
6911         (gate_lower_ehcontrol, pass_lower_eh_dispatch): New.
6912         (remove_unreachable_handlers): Rename from
6913         tree_remove_unreachable_handlers; rewrite for landing pads;
6914         call remove_eh_handler directly.
6915         (remove_unreachable_handlers_no_lp): New.
6916         (unsplit_eh, unsplit_all_eh): New.
6917         (tree_empty_eh_handler_p, all_phis_safe_to_merge): Remove.
6918         (cleanup_empty_eh_merge_phis, cleanup_empty_eh_move_lp): New.
6919         (cleanup_empty_eh_unsplit): New.
6920         (cleanup_empty_eh): Rewrite.
6921         (cleanup_all_empty_eh): New.
6922         (execute_cleanup_eh): Rename from cleanup_eh.  Remove unreachable
6923         handlers first.  Use unsplit_all_eh, cleanup_all_empty_eh.
6924         (gate_cleanup_eh): New.
6925         (pass_cleanup_eh): Use it.
6926         (verify_eh_edges): Move later in file.  Expect one EH edge.
6927         (verify_eh_dispatch_edge): New.
6928
6929         * Makefile.in (FUNCTION_H): Use vecprim.h, not varray.h.
6930         (gtype-desc.o): Add TARGET_H.
6931         (tree.o): Use EXCEPT_H, not except.h.
6932         (cfgbuild.o): Add EXPR_H.
6933         (GTFILES): Add vecprim.h.
6934         * builtins.c (expand_builtin): Handle BUILT_IN_EH_POINTER,
6935         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES.
6936         * builtins.def (BUILT_IN_UNWIND_RESUME, BUILT_IN_EH_POINTER,
6937         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES): New.
6938         * calls.c (emit_call_1): Use make_reg_eh_region_note.
6939         * cfgbuild.c (control_flow_insn_p): Use can_nonlocal_goto; tidy
6940         calls to can_throw_internal.
6941         (rtl_make_eh_edge): Use get_eh_landing_pad_from_rtx.
6942         (make_edges): Don't handle RESX; use can_nonlocal_goto.
6943         * cfgexpand.c (expand_gimple_stmt_1): Don't handle RESX.
6944         (expand_gimple_stmt): Use make_reg_eh_region_note.
6945         (expand_debug_expr): Don't handle EXC_PTR_EXPR and FILTER_EXPR.
6946         (gimple_expand_cfg): Don't call convert_from_eh_region_ranges,
6947         or find_exception_handler_labels.
6948         * cfgrtl.c (rtl_verify_flow_info_1): Don't handle RESX.  Assert
6949         there is exacly one EH edge.  Use can_nonlocal_goto and
6950         can_throw_internal.
6951         * cgraphunit.c (update_call_expr): Use maybe_clean_eh_stmt_fn.
6952         (cgraph_materialize_all_clones): Use maybe_clean_or_replace_eh_stmt.
6953         * combine.c (can_combine_p, try_combine): Use insn_nothrow_p.
6954         * cse.c (count_reg_usage, insn_live_p): Use insn_could_throw_p.
6955         * dce.c (deletable_insn_p_1): Don't test may_trap_p.
6956         (deletable_insn_p): Use insn_nothrow_p; reorder nonjump insn test.
6957         * dse.c (scan_insn): Use insn_could_throw_p.
6958         * emit-rtl.c (try_split): Use copy_reg_eh_region_note_backward.
6959         * expr.c (expand_expr_real): Use make_reg_eh_region_note.
6960         (expand_expr_real_1): Don't handle RESX, EXC_PTR, or FILTER_EXPR.
6961         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't handle
6962         EXC_PTR_EXPR or FILTER_EXPR.
6963         (tree_expr_nonzero_warnv_p): Likewise.
6964         * function.h: Include vecprim.h, not varray.h
6965         (struct rtl_eh): Remove filter, exc_ptr, built_landing_pad members;
6966         move ttype_data and ehspec_data members to struct eh_status; change
6967         action_record_data member to a VEC.
6968         * gcse.c (hash_scan_set): Use can_throw_internal.
6969         * gengtype.c (open_base_files): Add target.h to gtype-desc.c.
6970         * gimple-iterator.c (gsi_replace): Use maybe_clean_or_replace_eh_stmt.
6971         * gimple-low.c (lower_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
6972         (block_may_fallthru): Don't handle RESX_EXPR.
6973         * gimple-pretty-print.c (dump_gimple_label): Dump EH_LANDING_PAD_NR.
6974         (dump_gimple_eh_must_not_throw, dump_gimple_eh_dispatch): New.
6975         (dump_gimple_stmt): Dump landing pad information with TDF_EH;
6976         handle GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH.
6977         * gimple.c (gss_for_code): Handle GIMPLE_EH_MUST_NOT_THROW,
6978         GIMPLE_EH_DISPATCH, GIMPLE_RESX.
6979         (gimple_size): Likewise.
6980         (gimple_build_eh_dispatch, gimple_build_eh_must_not_throw): New.
6981         (gimple_build_resx): Use gimple_build_with_ops.
6982         (DEFTREECODE): Don't handle EXC_PTR_EXPR, FILTER_EXPR.
6983         (is_gimple_val): Likewise.
6984         (is_gimple_stmt): Remove RESX_EXPR.
6985         * gimple.def (GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH): New.
6986         (GIMPLE_RESX): Reorder with other EH constructs.
6987         * gimple.h (struct gimple_statement_eh_mnt): New.
6988         (struct gimple_statement_eh_ctrl): Rename from gimple_statement_resx.
6989         (gimple_eh_filter_must_not_throw): Remove.
6990         (gimple_eh_filter_set_must_not_throw): Remove.
6991         (gimple_eh_must_not_throw_fndecl): New.
6992         (gimple_eh_dispatch_region, gimple_eh_dispatch_set_region): New.
6993         (is_gimple_resx): New.
6994         * gimplify.c (gimplify_expr): Don't handle EXC_PTR_EXPR, RESX_EXPR.
6995         Don't copy EH_FILTER_MUST_NOT_THROW.
6996         * gsstruct.def (GSS_EH_MNT, GSS_EHCONTROL): New.
6997         * ipa-inline.c (estimate_function_body_sizes): Don't try to
6998         handle must_not_throw_labels specially.
6999         * ipa-pure-const.c (check_call): Update debug statement for LP.
7000         * ipa-type-escape.c (check_operand): Don't handle EXC_PTR or FILTER.
7001         * ipa-utils.c (get_base_var): Likewise.
7002         * libfunc.h (LTI_unwind_resume, unwind_resume_libfunc): Remove.
7003         * lower-subreg.c (move_eh_region_note): Remove.
7004         (resolve_simple_move): Use copy_reg_eh_region_note_forward.
7005         * omp-low.c (new_omp_context): Update for eh_lp_nr.
7006         (create_task_copyfn): Likewise.
7007         (maybe_catch_exception): Use gimple_build_eh_filter.
7008         * optabs.c (emit_libcall_block): Update test for no-nonlocal-goto
7009         REG_EH_REGION.  Use make_reg_eh_region_note_nothrow_nononlocal.
7010         * passes.c (init_optimization_passes): Add pass_lower_eh_dispatch
7011         and pass_lower_resx.
7012         * print-tree.c (print_node): Dump EH_LANDING_PAD_NR.
7013         * recog.c (peephole2_optimize): Use copy_reg_eh_region_note_backward,
7014         can_throw_internal, can_nonlocal_goto.
7015         * reload1.c (fixup_eh_region_note): Use insn_could_throw_p,
7016         copy_reg_eh_region_note_forward.
7017         (emit_input_reload_insns): Use copy_reg_eh_region_note_forward.
7018         (emit_output_reload_insns): Likewise.
7019         (copy_eh_notes): Remove.
7020         * rtl.def (RESX): Remove.
7021         * rtl.h: Update declarations.
7022         * sese.c (graphite_copy_stmts_from_block): Use maybe_duplicate_eh_stmt.
7023         * tree-cfg.c (make_edges): Handle GIMPLE_EH_DISPATCH.
7024         (update_eh_label): Remove.
7025         (cleanup_dead_labels_eh): New.
7026         (cleanup_deal_labels): Use it instead of update_eh_label.
7027         (gimple_merge_blocks): Update landing pad data structure when
7028         removing a landing pad label.
7029         (remove_useless_stmts_tc): Remove gimple_eh_filter_must_not_throw
7030         test; handle GIMPLE_EH_MUST_NOT_THROW.
7031         (is_ctrl_altering_stmt): Handle GIMPLE_EH_DISPATCH.
7032         (verify_gimple_assign_single): Don't handle EXC_PTR or FILTER_EXPR.
7033         (verify_types_in_gimple_stmt): Handle GIMPLE_EH_DISPATCH.
7034         (verify_stmt): Likewise.  Verify landing pads.
7035         (gimple_redirect_edge_and_branch): Handle GIMPLE_EH_DISPATCH.
7036         (gimple_duplicate_bb): Use maybe_duplicate_eh_stmt.
7037         (struct move_stmt_d): Add eh_map.
7038         (move_stmt_eh_region_nr, move_stmt_eh_region_tree_nr): New.
7039         (move_stmt_r): Remap eh region numbers in builtin calls,
7040         resx and eh_dispatch.
7041         (move_block_to_fn): Remove eh_offset parameter.  Use
7042         maybe_duplicate_eh_stmt_fn.
7043         (find_outermost_region_in_block): Operate on eh_region pointers
7044         instead of region numbers.
7045         (move_sese_region_to_fn): Expect eh_map instead of eh_offset from
7046         duplicate_eh_regions.
7047         * tree-cfgcleanup.c (tree_forwarder_block_p): Move entry block edge
7048         test earlier.  Disallow EH landing pads.
7049         * tree-cfa.c (create_tree_common_ann): Don't set ann->rn.
7050         * tree-flow.h: Update declarations.
7051         (struct tree_ann_common_d): Replace rn with lp_nr.
7052         * tree-inline.c (copy_tree_body_r): Don't handle RESX_EXPR.
7053         (remap_eh_region_nr, remap_eh_region_tree_nr): New.
7054         (remap_gimple_stmt): Remap eh region numbers in builtin calls,
7055         resx and eh_dispatch.
7056         (copy_bb): Use maybe_duplicate_eh_stmt_fn.
7057         (copy_edges_for_bb): Use make_eh_dispatch_edges.
7058         (copy_cfg_body): Expect eh_map instead of eh_region_offset
7059         from duplicate_eh_regions.
7060         (estimate_num_insns): Don't handle EXC_PTR_EXPR or FILTER_EXPR;
7061         update RESX; handle EH_DISPATCH.
7062         (expand_call_inline): Set eh_lp_nr, not eh_region.
7063         (maybe_inline_call_in_expr): Likewise.
7064         * tree-inline.h (struct copy_body_data): Replace eh_region with
7065         eh_lp_nr, eh_region_offset with eh_map.
7066         * tree-optimize.c (execute_fixup_cfg): Use maybe_clean_eh_stmt.
7067         * tree-pass.h (pass_lower_eh_dispatch, pass_lower_resx): New.
7068         * tree-pretty-print.c (dump_generic_node): Don't handle
7069         EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR.
7070         * tree-sra.c (scan_function): Use maybe_clean_eh_stmt.
7071         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Don't handle
7072         EXC_PTR_EXPR, FILTER_EXPR.
7073         * tree-ssa-operands.c (get_expr_operands): Likewise.
7074         * tree-ssa-propagate.c (valid_gimple_rhs_p): Likewise.
7075         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
7076         (ao_ref_init_from_vn_reference): Likewise.
7077         * tree-ssa-sink.c (statement_sink_location): Likewise.
7078         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
7079         (mark_virtual_phi_result_for_renaming): Export.  Tidy.
7080         * tree-ssa-pre.c (get_or_alloc_expr_for): Don't handle
7081         EXC_PTR_EXPR, FILTER_EXPR.
7082         (is_exception_related): Remove.
7083         (compute_avail): Don't call it.
7084         * tree-ssa-structalias.c: Remove VEC definitions for int and unsigned.
7085         * tree.c (find_decls_types_in_eh_region): Update for eh_region changes.
7086         (find_decls_types_in_node): Use FOR_ALL_EH_REGION_FN.
7087         (build_common_builtin_nodes): Add enable_cxa_end_cleanup parameter.
7088         Build EH builtins.
7089         (build_resx): Remove.
7090         * tree.def (EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR): Remove.
7091         * tree.h: Update declarations.
7092         (EH_FILTER_MUST_NOT_THROW): Remove.
7093         (struct tree_label_decl): Add eh_landing_pad_nr.
7094         (EH_LANDING_PAD_NR): New.
7095         * value-prof.c (gimple_ic): Tidy variable names.  Update for
7096         landing pad numbers.
7097         (gimple_stringop_fixed_value): Tidy variable names.  Assert
7098         that neither call stmt can throw.
7099         * vecprim.h (uchar): New.
7100         (VEC(uchar,heap), VEC(uchar,gc)): New.
7101
7102         * c-common.c (c_define_builtins): Update call to
7103         build_common_builtin_nodes.
7104         * c-parser.c (c_parse_file): Don't call
7105         default_init_unwind_resume_libfunc.
7106
7107 2009-09-14  Richard Sandiford  <rdsandiford@googlemail.com>
7108
7109         * config/mips/mips-protos.h (mips_cfun_has_cprestore_slot_p): Declare.
7110         (mips_cprestore_address_p): Likewise.
7111         (mips_save_gp_to_cprestore_slot): Likewise.
7112         (mips_restore_gp): Rename to...
7113         (mips_restore_gp_from_cprestore_slot): ...this.
7114         (mips_must_initialize_gp_p): Declare.
7115         (mips_emit_save_slot_move): Likewise.
7116         (mips_output_load_label): Return nothing.
7117         (mips_eh_uses): Declare.
7118         * config/mips/mips.h (TARGET_SPLIT_CALLS): Require epilogue_completed.
7119         (TARGET_CPRESTORE_DIRECTIVE): New macro.
7120         (TARGET_ABSOLUTE_JUMPS): Likewise.
7121         (EH_USES): Likewise.
7122         (FIRST_PSEUDO_REGISTER): Update comment.
7123         (MIPS_ABSOLUTE_JUMP): New macro, extracted from...
7124         (MIPS_CALL): ...here.
7125         (REGISTER_NAMES): Add $cprestore.
7126         * config/mips/mips.c (machine_function): Remove has_gp_insn_p.
7127         Add load_label_length, has_inflexible_gp_insn_p,
7128         has_flexible_gp_insn_p, must_initialize_gp_p and
7129         must_restore_gp_when_clobbered_p.
7130         (mips_expand_call): Don't generate split instructions here.
7131         (mips_split_call): Update the call to mips_restore_gp after
7132         the above name change.
7133         (mips16_cfun_returns_in_fpr_p): Move earlier in file.
7134         (mips_find_gp_ref): New function.
7135         (mips_insn_has_inflexible_gp_ref_p): Likewise.
7136         (mips_cfun_has_inflexible_gp_ref_p): Likewise.
7137         (mips_insn_has_flexible_gp_ref_p): Likewise.
7138         (mips_cfun_has_flexible_gp_ref_p): Likewise.
7139         (mips_function_has_gp_insn): Delete.
7140         (mips_global_pointer): Drop the df_regs_ever_live_p check.
7141         Use the new functions above.  Only return INVALID_REGNUM
7142         for TARGET_ABSOLUTE_JUMPS.
7143         (mips_must_initialize_gp_p): New function.
7144         (mips_get_cprestore_base_and_offset): New function, extracted from...
7145         (mips_cprestore_slot): ...here.  Take a bool parameter.
7146         (mips_cfun_has_cprestore_slot_p): New function.
7147         (mips_cprestore_address_p): Likewise.
7148         (mips_save_gp_to_cprestore_slot): Likewise.
7149         (mips_restore_gp): Rename to...
7150         (mips_restore_gp_from_cprestore_slot): ...this.  Assert
7151         epilogue_completed.  Update the call to mips_cprestore_slot.
7152         Test cfun->machine->must_restore_gp_when_clobbered_p.
7153         (mips_direct_save_slot_move_p): New function.
7154         (mips_emit_save_slot_move): Likewise.
7155         (mips_output_cplocal): Test mips_must_initialize_gp_p () instead
7156         of cfun->machine->global_pointer.
7157         (mips_output_function_prologue): Check mips_must_initialize_gp_p ().
7158         (mips_save_reg): Use mips_emit_save_slot_move.
7159         (mips_expand_prologue): Set must_initialize_gp_p.
7160         Use mips_cfun_has_cprestore_slot_p.  Use gen_potential_cprestore
7161         for all cprestore saves.  Emit a use_cprestore instruction after
7162         setting up the cprestore slot.
7163         (mips_restore_reg): Use mips_emit_save_slot_move.
7164         (mips_process_load_label): New function.
7165         (mips_load_label_length): Likewise.
7166         (mips_output_load_label): Don't return asm: output it here instead.
7167         Use mips_process_load_label.
7168         (mips_adjust_insn_length): Adjust the length of branch instructions
7169         that have length MAX_PIC_BRANCH_LENGTH.
7170         (mips_output_conditional_branch): Update the call to
7171         mips_output_load_label.  Assume the branch target is OPERANDS[0]
7172         rather than OPERANDS[1].  Use MIPS_ABSOLUTE_JUMP for absolute jumps.
7173         (mips_output_order_conditional_branch): Swap the meaning of
7174         OPERANDS[0] and OPERANDS[1].
7175         (mips_variable_issue): Don't count ghost instructions.
7176         (mips_expand_ghost_gp_insns): New function.
7177         (mips_reorg): Rerun mips_reorg_process_insns if it returns true.
7178         (mips_output_mi_thunk): Set must_initialize_gp_p.
7179         (mips_eh_uses): New function.
7180         * config/mips/predicates.md (cprestore_save_slot_operand)
7181         (cprestore_load_slot_operand): New predicates.
7182         * config/mips/mips.md (UNSPEC_POTENTIAL_CPRESTORE): New unspec.
7183         (UNSPEC_MOVE_GP): Likewise.
7184         (UNSPEC_CPRESTORE, UNSPEC_RESTORE_GP, UNSPEC_EH_RETURN)
7185         (UNSPEC_CONSTTABLE_INT, UNSPEC_CONSTTABLE_FLOAT): Bump to make room.
7186         (CPRESTORE_SLOT_REGNUM): New register.
7187         (MAX_PIC_BRANCH_LENGTH): New constant.
7188         (jal_macro): Use MIPS_ABSOLUTE_JUMPS.
7189         (length): Use MAX_PIC_BRANCH_LENGTH as a placeholder for PIC long
7190         branches.  Fix commentary.
7191         (loadgp_newabi_<mode>): Change from unspec_volatile to unspec.
7192         Only split if mips_must_initialize_gp_p; expand to nothing otherwise.
7193         Change type to "ghost".
7194         (loadgp_absolute_<mode>): Likewise.
7195         (loadgp_rtp_<mode>): Likewise.
7196         (copygp_mips16): Likewise.
7197         (loadgp_blockage): Remove redundant mode attribute.
7198         (potential_cprestore): New instruction.
7199         (cprestore): Turn into an unspec set.
7200         (use_cprestore): New instruction.
7201         (*branch_fp): Swap operands 0 and 1.  Remove redundant mode attribute.
7202         (*branch_fp_inverted): Likewise.
7203         (*branch_order<mode>): Likewise.
7204         (*branch_order<mode>_inverted): Likewise.
7205         (*branch_equality<mode>): Likewise.
7206         (*branch_equality<mode>_inverted): Likewise.
7207         (*branch_bit<bbv><mode>): Likewise.
7208         (*branch_bit<bbv><mode>_inverted): Likewise.
7209         (*branch_equality<mode>_mips16): Remove redundant mode.
7210         (jump): Turn into a define_expand.
7211         (*jump_absolute): New instruction.
7212         (*jump_pic): Likewise.
7213         (*jump_mips16): Rename previously-unnamed pattern.  Remove
7214         redundant mode attribute.
7215         (restore_gp): Split on epilogue_completed rather than
7216         reload_completed.  Change type to "ghost".
7217         (move_gp<mode>): New instruction.
7218         * config/mips/mips-dsp.md (mips_bposge): Swap operands 0 and 1.
7219         Remove redundant mode attribute.
7220         * config/mips/mips-ps-3d.md (bc1any4t): Likewise.
7221         (bc1any4f, bc1any2t, bc1any2f): Likewise.
7222         (*branch_upper_lower, *branch_upper_lower_inverted): Likewise.
7223
7224 2009-09-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
7225
7226         PR target/41210
7227         * config/rs6000/rs6000.c (rs6000_function_value): V2DF and V2DI
7228         are returned in the same register (vs34 or v2) that Altivec vector
7229         types are returned in.
7230         (rs6000_libcall_value): Ditto.
7231
7232         PR target/41331
7233         * config/rs6000/rs6000.c (rs6000_emit_move): Use gen_add3_insn
7234         instead of explicit addsi3/adddi3 calls.
7235         (rs6000_split_multireg_move): Ditto.
7236         (rs6000_emit_allocate_stack): Ditto.
7237         (rs6000_emit_prologue): Ditto.
7238         (rs6000_output_mi_thunk): Ditto.
7239
7240         * config/rs6000/rs6000.md (bswapdi*): Don't assume the pointer
7241         size is 64 bits if we can use 64-bit registers.
7242
7243 2009-09-14  Bernd Schmidt  <bernd.schmidt@analog.com>
7244
7245         * config/bfin/bfin.c (bfin_longcall_p): Don't use short calls for weak
7246         symbols.
7247
7248         From Jie Zhang <jie.zhang@analog.com>:
7249         * config/bfin/bfin.c (bfin_expand_prologue): Ask do_link to
7250         save FP and RETS with saveall attribute.
7251         (bfin_expand_epilogue): Ask do_unlink to restore FP and RETS
7252         with saveall attribute.
7253
7254         * config/bfin/bfin.c (bfin_expand_builtin,
7255         case BFIN_BUILTIN_MULT_1X32X32): Force constants to registers for the
7256         operands.
7257
7258         From Jie Zhang <jie.zhang@analog.com>:
7259         * config/bfin/bfin.c (bfin_expand_builtin): Initialize icodes
7260         before use in two places.
7261         * config/bfin/bfin.md (AREG): Define mode iterator.
7262         (reload_in, reload_out): Use mode iterator AREG.
7263
7264 2009-09-14  Richard Guenther  <rguenther@suse.de>
7265
7266         PR middle-end/41350
7267         * dwarf2out.c (dwarf2out_begin_prologue): Adjust non-CFI asm
7268         EH personality path.
7269
7270 2009-09-13  Richard Guenther  <rguenther@suse.de>
7271             Rafael Avila de Espindola  <espindola@google.com>
7272
7273         * langhooks-def.h (LANG_HOOKS_EH_RUNTIME_TYPE): Define.
7274         (LANG_HOOKS_EH_PERSONALITY): Likewise.
7275         (LANG_HOOKS_INITIALIZER): Adjust.
7276         (lhd_pass_through_t): Declare.
7277         * langhooks.h (struct lang_hooks): Add eh_runtime_type and
7278         eh_personality.
7279         * langhooks.c (lhd_pass_through_t): New function.
7280         * dwarf2out.c (output_call_frame_info, dwarf2out_do_cfi_startproc,
7281         dwarf2out_begin_prologue): Use personality from current_function_decl.
7282         * expr.h (get_personality_function): Declare.
7283         * expr.c (get_personality_function): New function.
7284         (build_personality_function): Likewise.
7285         * libfuncs.h (libfunc_index): Remove LTI_eh_personality.
7286         (eh_personality_libfunc): Remove.
7287         * optabs.c (build_libfunc_function): New function split out from ...
7288         (init_one_libfunc): ... here.
7289         * tree.h (DECL_FUNCTION_PERSONALITY): New.
7290         (tree_function_decl): Add personality.
7291         (lhd_gcc_personality): Declare.
7292         (build_personality_function): Likewise.
7293         * tree.c (gcc_eh_personality_decl): New.
7294         (lhd_gcc_personality): New function.
7295         * except.h (lang_eh_runtime_type): Remove.
7296         (enum eh_personality_kind): New.
7297         (build_personality_function): Declare.
7298         (function_needs_eh_personality): Declare.
7299         * except.c (lang_eh_runtime_type): Remove.
7300         (function_needs_eh_personality): New function.
7301         (add_type_for_runtime): Call lang_hooks.type_for_runtime instead.
7302         (sjlj_emit_function_enter, output_function_exception_table):
7303         Use personality from current_function_decl.
7304         * tree-eh.c (lower_eh_constructs): Set DECL_FUNCTION_PERSONALITY.
7305         * tree-inline.c (tree_can_inline_p): Do not inline across different
7306         EH personalities.
7307         (expand_call_inline): Likewise.  Adjust the callers EH personality.
7308         (tree_function_versioning): Copy DECL_FUNCTION_PERSONALITY.
7309         * cgraph.c (cgraph_add_new_function): Set DECL_FUNCTION_PERSONALITY.
7310         * Makefile.in (cgraph.o): Add $(EXCEPT_H) dependency.
7311         (c-parser.o): Likewise
7312         * c-tree.h (c_eh_initialized_p): Remove.
7313         (c_maybe_initialize_eh): Likewise.
7314         * c-decl.c (finish_decl): Don't call c_maybe_initialize_eh.
7315         (finish_decl): Don't call c_maybe_initialize_eh.
7316         (c_eh_initialized_p): Remove.
7317         (c_maybe_initialize_eh): Likewise.
7318         * c-parser.c (c_parser_omp_construct): Likewise.
7319         (c_parse_file): Initialize exception handling.
7320
7321 2009-09-13  Kai Tietz  <kai.tietz@onevision.com>
7322
7323         * config.gcc (tm_file): Remove i386/biarch32.h
7324         for i?86-w64-mingw* case.
7325         (i?86-*-mingw* andx86_64-*-mingw*): Add multilib
7326         support.
7327         * config.host: Set for x64 mingw the option
7328         use_long_long_for_widest_fast_int to yes.
7329
7330 2009-09-13  Eric Botcazou  <ebotcazou@adacore.com>
7331
7332         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7333         * dbxout.c (dbxout_function_end): Do not test DECL_IGNORED_P.
7334         (dbxout_begin_function): Likewise.
7335         * final.c (dwarf2_debug_info_emitted_p): New predicate.
7336         (final_start_function): Do not emit debug info if DECL_IGNORED_P is
7337         set on the function.
7338         (final_end_function): Likewise.
7339         (final_scan_insn): Likewise.
7340         (rest_of_handle_final): Likewise.
7341         * varasm.c (assemble_start_function): Likewise.
7342         * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
7343
7344 2009-09-12  Jason Merrill  <jason@redhat.com>
7345
7346         * dbgcnt.c (dbg_cnt_process_single_pair): constify.
7347         * opts.c (common_handle_option): constify.
7348
7349 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
7350
7351         * doc/install.texi (avr): Remove obsolete reference site.
7352
7353 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
7354
7355         * doc/install.texi (Binaries): Adjust AIX link.
7356
7357 2009-09-12  Akim Demaille  <demaille@gostai.com>
7358
7359         * doc/invoke.texi (-fstrict-aliasing): Correct two examples.
7360         Use an imperative sentence.
7361
7362 2009-09-11  Richard Henderson  <rth@redhat.com>
7363
7364         * gsstruct.def (DEFGSSTRUCT): Remove printable-name argument; add
7365         structure-name and has-tree-operands arguments; update all entries.
7366         * gimple.def (DEFGSCODE): Replace 3rd argument with GSS_symbol;
7367         update all entries.
7368         * gimple.c (gimple_ops_offset_): Use HAS_TREE_OP argument.
7369         (gsstruct_code_size): New.
7370         (gss_for_code_): New.
7371         (gss_for_code): Remove.
7372         (gimple_size): Rewrite using gsstruct_code_size.
7373         (gimple_statement_structure): Move to gimple.h.
7374         * gimple.h (gimple_ops_offset_, gss_for_code_): Declare.
7375         (gss_for_code, gimple_statement_structure): New.
7376         (gimple_ops): Use new arrays; tidy.
7377
7378 2009-09-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7379
7380         * config/pa/predicates.md (symbolic_operand): Require a CONST symbolic
7381         operand to be a PLUS expression.
7382         * config/pa/pa.c (pa_secondary_reload): Likewise.
7383
7384 2009-09-11  Jakub Jelinek  <jakub@redhat.com>
7385
7386         * combine.c (propagate_for_debug_subst): Call wrap_constant on top.
7387
7388         * print-rtl.c (print_rtx): Use JUMP_LABEL (in_rtx) instead of
7389         XEXP (in_rtx, 8).
7390
7391 2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>
7392
7393         From Jie Zhang <jie.zhang@analog.com>:
7394         * doc/extend.texi (node Function Attributes): Document l2
7395         function attribute.
7396         (node Blackfin Variable Attributes): Document l2 variable attributes.
7397
7398 2009-09-11  Loren J. Rittle  <ljrittle@acm.org>
7399
7400         * config.gcc (*-*-freebsd*): Enable default_use_cxa_atexit
7401         to match the system compiler's configuration at inflection point.
7402         Add comment to remark a remaining difference with system compiler.
7403
7404         * configure.ac (*-*-freebsd*): Enable check for __stack_chk_fail.
7405         * configure: Regenerate.
7406
7407 2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>
7408
7409         From Jie Zhang <jie.zhang@analog.com>:
7410         * config/bfin/bfin.c (bfin_expand_call): Handle L2 functions.
7411         (bfin_handle_l2_attribute): New.
7412         (bfin_attribute_table): Add l2 attribute.
7413
7414 2009-09-11  Michael Matz  <matz@suse.de>
7415
7416         PR middle-end/41275
7417         * tree-inline.c (remap_decls): Don't put DECL_EXTERNAL decls
7418         on the local_decls list.
7419
7420 2009-09-11  Alexandre Oliva  <aoliva@redhat.com>
7421
7422         PR debug/41276
7423         PR debug/41307
7424         * cselib.c (cselib_expand_value_rtx_cb): Document callback
7425         interface.
7426         (cselib_expand_value_rtx_1): Use callback for SUBREGs.  Adjust
7427         for VALUEs, to implement the documented interface.
7428         * var-tracking.c (vt_expand_loc_callback): Handle SUBREGs.
7429         Adjust for VALUEs and anything else, to implement the
7430         documented interface.
7431
7432 2009-09-10  Nathan Froyd  <froydnj@codesourcery.com>
7433
7434         * config/rs6000/rs6000.h (DATA_ALIGNMENT): Check that we are dealing
7435         with actual SPE/paired vector modes before using 64-bit alignment.
7436         Check that TYPE is a REAL_TYPE for TARGET_E500_DOUBLE.
7437
7438 2009-09-10  DJ Delorie  <dj@redhat.com>
7439
7440         * config/mep/mep.md (eh_epilogue): Defer until after epilogue is
7441         emitted.
7442
7443         * config/mep/mep.h (LEGITIMATE_CONSTANT_P): New.
7444         * config/mep/mep.c (mep_legitimate_constant_p): New.
7445         * config/mep/mep-protos.h: Prototype it.
7446
7447 2009-09-10  Richard Henderson  <rth@redhat.com>
7448
7449         * print-rtl.c (print_rtx): Fix JUMP_LABEL index.
7450
7451 2009-09-10  Jason Merrill  <jason@redhat.com>
7452
7453         * tree.c (chain_index): New fn.
7454         * tree.h: Declare it.
7455
7456 2009-09-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7457
7458         * config/sol2-c.c (cmn_err_length_specs): Initialize
7459         scalar_identity_flag.
7460
7461 2009-09-10  Richard Henderson  <rth@redhat.com>
7462
7463         * tree.h (struct tree_decl_common): Move align member earlier;
7464         move label_decl_uid member ...
7465         (struct tree_label_decl): ... here.
7466         (LABEL_DECL_UID): Update to match.
7467
7468         * tree-cfg.c (dump_function_to_file): Dump eh tree with TDF_EH,
7469         not TDF_DETAILS.
7470
7471         * tree-cfg.c (gimple_redirect_edge_and_branch): Do
7472         gimple_try_redirect_by_replacing_jump test after no-op and EH tests.
7473
7474         * tree-cfg.c (split_edge_bb_loc): Don't disallow placement at
7475         dest_prev if the edge is complex.
7476
7477         * tree-cfg.c (is_ctrl_stmt): Use a switch.
7478
7479         * tree-cfg.c (gimple_can_merge_blocks_p): Move label and
7480         loop latch tests earlier.
7481
7482         * gimple-iterator.c (gimple_find_edge_insert_loc): Insert
7483         before GIMPLE_RETURN, not after its predecessor; insert
7484         before GIMPLE_RESX.
7485
7486         * gimple-iterator.c (gimple_find_edge_insert_loc): Use
7487         gimple_seq_empty_p to test for no PHI nodes.
7488         * tree-cfg.c (split_critical_edges): Likewise.
7489
7490         * c-common.h (c_dialect_cxx, c_dialect_objc): Boolify.
7491
7492 2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>
7493
7494         * final.c (shorten_branches) : Ignore DEBUG_INSN_P instructions
7495         introduced by the VTA branch merge.
7496
7497 2009-09-10  Uros Bizjak  <ubizjak@gmail.com>
7498
7499         * ira-conflicts.c: Use fputs or putc instead of fprintf
7500         where appropriate.
7501         * cfg.c: Ditto.
7502         * toplev.c: Ditto.
7503         * tree-switch-conversion.c: Ditto.
7504
7505 2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>
7506
7507         * config/picochip/picochip.c : Ignore DEBUG_INSN_P instructions
7508         introduced by the VTA branch merge.
7509
7510 2009-09-10  Uros Bizjak  <ubizjak@gmail.com>
7511
7512         Revert:
7513         2009-09-09  Uros Bizjak  <ubizjak@gmail.com>
7514
7515         PR rtl-optimization/39779
7516         * expr.c (convert_modes): Return when mode == oldmode after
7517         CONST_INTs are processed.
7518
7519 2009-09-10  Nick Clifton  <nickc@redhat.com>
7520
7521         * config/mep/mep.c (mep_encode_section_info): Copy weakness
7522         attribute and referring decl when creating renamed symbol.
7523
7524 2009-09-10  Richard Guenther  <rguenther@suse.de>
7525
7526         PR middle-end/41257
7527         * cgraphunit.c (cgraph_emit_thunks): Emit thunks only for
7528         reachable nodes.
7529         (cgraph_finalize_compilation_unit): Compute reachability
7530         before emitting thunks.  Properly process aliases before
7531         possibly removing unreachable nodes.
7532
7533 2009-09-10  Richard Guenther  <rguenther@suse.de>
7534
7535         PR middle-end/41254
7536         * tree.c (struct free_lang_data_d): Add worklist member.
7537         (find_decls_types_r): Push onto the worklist instead of recursing.
7538         Handle TREE_BINFOs properly.
7539         (find_decls_types): New function wrapped around find_decls_types_r
7540         to process the worklist.
7541         (find_decls_types_in_eh_region): Use it.
7542         (find_decls_types_in_node): Likewise.
7543         (find_decls_types_in_var): Likewise.
7544         (free_lang_data_in_cgraph): Likewise.  Free the worklist.
7545         * tree.h (RECORD_OR_UNION_TYPE_P): New.
7546         (AGGREGATE_TYPE_P): Adjust.
7547
7548 2009-09-09  Jason Merrill  <jason@redhat.com>
7549
7550         * configure.ac: Check glibc version even if we have an in-tree
7551         assembler.
7552
7553 2009-09-09  Anthony Green  <green@moxielogic.com>
7554
7555         * config/moxie/moxie.md (*movsi, *movhi, *movqi): Use xor to load
7556         the constant 0 when appropriate.
7557         * config/moxie/constraints.md: Add constraint O.
7558
7559         * config/moxie/moxie.c (moxie_setup_incoming_varargs): Adjust
7560         to pass up to 6 32-bit argument values in registers.
7561         (moxie_function_arg): Ditto.
7562         (moxie_arg_partial_bytes): Ditto.
7563         * config/moxie/moxie.h (FUNCTION_ARG_ADVANCE): Ditto.
7564         (REG_PARM_STACK_SPACE): Ditto.
7565         (FUNCTION_ARG_REGNO_P): Ditto.
7566
7567         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
7568         instruction to allocate stack space.
7569
7570 2009-09-09  Segher Boessenkool  <segher@kernel.crashing.org>
7571
7572         * config/rs6000/rs6000.md (bswapdi2_64bit): Fix
7573         unnecessarily stringent constraints.  Fix address
7574         calculation in the splitters.
7575
7576 2009-09-09  Uros Bizjak  <ubizjak@gmail.com>
7577
7578         PR rtl-optimization/39779
7579         * expr.c (convert_modes): Return when mode == oldmode after
7580         CONST_INTs are processed.
7581
7582 2009-09-09  Kai Tietz  <kai.tietz@onevision.com>
7583
7584         PR/41315
7585         * config/i386.c (ix86_can_use_return_insn_p): Check for padding0, too.
7586         (ix86_expand_prologue): Take frame.padding0 into logic of
7587         to_allocate checks.
7588         (ix86_expand_epilogue): Likewise.
7589
7590 2009-09-09  Jakub Jelinek  <jakub@redhat.com>
7591
7592         * config/t-slibgcc-elf-ver (SHLIB_MAKE_SOLINK, SHLIB_INSTALL_SOLINK):
7593         New variables.
7594         (SHLIB_LINK, SHLIB_INSTALL): Use them.
7595         * config/t-slibgcc-libgcc: New file.
7596         * config.gcc (powerpc*-*-linux*, powerpc*-*-gnu*): Use it.
7597
7598 2009-09-09  Martin Jambor  <mjambor@suse.cz>
7599
7600         PR tree-optimization/41089
7601         * tree-sra.c (find_var_candidates): Do not consider va_lists in
7602         early SRA.
7603
7604 2009-09-09  Richard Henderson  <rth@redhat.com>
7605
7606         * gimple.h (CASE_GIMPLE_OMP): New.
7607         (is_gimple_omp): Use it.
7608         * tree-cfg.c (is_ctrl_altering_stmt): Likewise.
7609         (verify_gimple_debug): Likewise.
7610
7611 2009-09-09  Richard Guenther  <rguenther@suse.de>
7612
7613         PR tree-optimization/41101
7614         * tree-ssa-pre.c (maximal_set): Remove.
7615         (compute_antic_aux): Treat the maximal set as implicitly all ones.
7616         Defer all blocks we didn't visit at least one successor.
7617         (add_to_exp_gen): Do not add to the maximal set.
7618         (make_values_for_phi): Likewise.
7619         (compute_avail): Likewise.
7620         (init_pre): Do not allocate the maximal set.
7621         (execute_pre): Do not dump it.
7622
7623 2009-09-09  Martin Jambor  <mjambor@suse.cz>
7624
7625         * tree-cfg.c (verify_gimple_phi): Check that gimple_phi_result is
7626         an SSA_NAME rather than a is_gimple_variable.
7627
7628 2009-09-09  Richard Guenther  <rguenther@suse.de>
7629
7630         PR middle-end/41317
7631         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Remove
7632         code dealing with plain pointer bases.
7633         (maybe_fold_offset_to_reference): Likewise.
7634         (maybe_fold_stmt_addition): Adjust.
7635
7636 2009-09-09  Richard Guenther  <rguenther@suse.de>
7637
7638         * tree.c (free_lang_data_in_type): Do not free the type variant
7639         chains.
7640         (free_lang_data): Merge char_type_node with its properly signed
7641         variant.
7642         (pass_ipa_free): Collect after freeing language specific data.
7643
7644 2009-09-09  Michael Matz  <matz@suse.de>
7645
7646         PR middle-end/41268
7647         * cfgexpand.c (expand_gimple_stmt_1): Use an int for storing
7648         SUBREG_PROMOTED_UNSIGNED_P, instead of a bool.
7649         * rtl.h (struct rtx, SUBREG_PROMOTED_UNSIGNED_P): Update comments
7650         to reflect reality.
7651
7652 2009-09-08  DJ Delorie  <dj@redhat.com>
7653
7654         * config/mep/mep.c (conversions[]): Add "ml" pattern.
7655
7656 2009-09-04  Jason Merrill  <jason@redhat.com>
7657
7658         * tree.c (tree_find_value): Remove.
7659         * tree.h: Remove prototype.
7660         * varasm.c (assemble_external): Use value_member instead.
7661
7662 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
7663
7664         * toplev.c (process_options): Choose default debugging type when
7665         gtoggle enables debug info and type is unset.
7666
7667 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
7668
7669         PR debug/41276
7670         PR debug/41307
7671         * cselib.c (cselib_expand_value_rtx_1): Don't return copy of
7672         invalid subreg.
7673
7674 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
7675
7676         * configure: Rebuilt with modified libtool.m4.
7677
7678 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
7679
7680         PR debug/41229
7681         PR debug/41291
7682         PR debug/41300
7683         * tree-ssa.c (execute_update_addresses_taken): Update debug insns.
7684
7685 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
7686
7687         * tree-ssa-loop-ivopts.c (get_phi_with_result): Remove.
7688         (remove_statement): Likewise.
7689         (rewrite_use_nonlinear_expr): Adjust.
7690         (remove_unused_ivs): Collect SSA NAMEs to remove and call...
7691         * tree-ssa.c (release_defs_bitset): ... this.  New.
7692         * tree-flow.h (release_defs_bitset): Declare.
7693
7694 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
7695
7696         PR debug/41232
7697         * tree-ssa-phiopt.c (minmax_replacement): Skip debug stmts
7698         in the middle block.
7699
7700 2009-09-08  Kai Tietz  <kai.tietz@onevision.com>
7701
7702         * tree-ssa-reassoc.c (find_operand_rank): Cast pointer
7703         via intptr_t to long type.
7704         (insert_operand_rank): Cast long type via intptr_t to
7705         pointer type.
7706         * genattrtab.c (RTL_HASH): Use intptr_t to cast from
7707         pointer to scalar.
7708         * c-pretty-print.c (pp_c_tree_decl_identifier): Cast
7709         from pointer to unsigned via uintptr_t.
7710
7711         * configure.ac (GCC_STDINT_TYPES): Initialize intptr_t,
7712         uintptr_t, HAVE_INTTYPES_H, HAVE_STDINT_H, HAVE_UINTPTR_T,
7713         and HAVE_INTPTR_T.
7714         * configure: Regenerated.
7715         * config.in: Regenerated
7716         * system.h (stdint.h): Add include.
7717         (inttypes.h): Likewise.
7718         * Makefile.in (aclocal): Add config/stdint.m4.
7719         * aclocal.m4: Regenerated.
7720
7721 2009-09-08  Bernd Schmidt  <bernd.schmidt@analog.com>
7722
7723         * config/bfin/bfin.c (np_check_regno, np_after_branch): New static
7724         variables.
7725         (note_np_check_stores): New function.
7726         (harmless_null_pointer_p): New function.
7727         (trapping_loads_p): New args NP_REG and AFTER_NP_BRANCH.  Callers
7728         changed.  Take into account whether we're in the shadow of a condjump
7729         that tested NP_REG for NULL.
7730         Lose all code that tested for SEQUENCEs.
7731         (workaround_speculation): Avoid inserting NOPs for loads that are
7732         either always executed or a NULL pointer.
7733
7734 2009-09-08  Jan Hubicka  <jh@suse.cz>
7735
7736         * doc/invoke.texi (early-inlining-insns): Reduce from 12 to 8.
7737         * params.def (early-inlining-insns): Likewise.
7738
7739 2009-09-08  Jakub Jelinek  <jakub@redhat.com>
7740
7741         PR rtl-optimization/41239
7742         * sched-int.h (struct deps): Add last_function_call_may_noreturn field.
7743         * sched-rgn.c (deps_join): Join also last_function_call_may_noreturn
7744         lists.
7745         * sched-deps.c (sched_analyze_insn): Prevent moving trapping insns
7746         across calls, as the calls might not always return normally.
7747         (call_may_noreturn_p): New function.
7748         (deps_analyze_insn): Update last_function_call_may_noreturn list.
7749         (init_deps): Initialize it.
7750         (remove_from_deps): Also remove calls from
7751         last_function_call_may_noreturn list.
7752
7753 2009-09-07  Richard Henderson  <rth@redhat.com>
7754
7755         * tree-ssa-sccvn.c (vn_reference_lookup_3): Don't assume there are
7756         more VR->OPERANDS than LHS operands.  Free LHS before returning.
7757
7758 2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
7759
7760         * config/bfin/bfin.md (UNSPEC_VOLATILE_STALL): New constant.
7761         (attr "addrtype"): New member "spreg".
7762         Use it if mem_spfp_address_operand is true for the address.
7763         (attr "type"): New entry "stall".
7764         (cpu_unit "load"): New.
7765         (insn_reservations "load32", "loadp", "loadi"): Add reservation of
7766         "load".
7767         (insn_reservation "loadsp"): New.
7768         (insn_reservation "load_stall1"): New.
7769         (insn_reservation "load_stall3"): New.
7770         (stall): New insn.
7771         * config/bfin/predicates.md (const1_operand, const3_operand): New.
7772         (mem_p_address_operand): Exclude stack and frame pointer based
7773         addresses.
7774         (mem_spfp_address_operand): New; match them here.
7775         * config/bfin/bfin.c (add_sched_insns_for_speculation): New function.
7776         (bfin_reorg): Call it if scheduling insns.
7777         (bfin_gen_bundles): Remove dummy insns created by
7778         add_sched_insns_for_speculation.
7779
7780         From Jie Zhang <jie.zhang@analog.com>:
7781         * config/bfin/bfin-protos.h (enum bfin_cpu_type, bfin_cpu_type,
7782         bfin_si_revision, bfin_workarounds): Move these ...
7783         * config/bfin/bfin.h: ... here.
7784
7785         From Mike Frysinger  <michael.frysinger@analog.com>
7786         * config/bfin/bfin-protos.h (bfin_cpu_type): Add BFIN_CPU_BF542M,
7787         BFIN_CPU_BF544M, BFIN_CPU_BF547M, BFIN_CPU_BF548M, and BFIN_CPU_BF549M.
7788         * config/bfin/bfin.c (bfin_cpus[]): Add 0.3 for bf542m, bf544m,
7789         bf547m, bf548m, and bf549m.
7790         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF542M__
7791         for BFIN_CPU_BF542M, __ADSPBF544M__ for BFIN_CPU_BF544M,
7792         __ADSPBF547M__ for BFIN_CPU_BF547M, __ADSPBF548M__ for
7793         BFIN_CPU_BF548M, and __ADSPBF549M__ for BFIN_CPU_BF549M.
7794         * config/bfin/t-bfin-elf (MULTILIB_MATCHES): Select bf532-none for
7795         bf542m-none, bf544m-none, bf547m-none, bf548m-none, and bf549m-none.
7796         * config/bfin/t-bfin-linux (MULTILIB_MATCHES): Likewise.
7797         * config/bfin/t-bfin-uclinux (MULTILIB_MATCHES): Likewise.
7798         * doc/invoke.texi (Blackfin Options): Document that -mcpu now accepts
7799         bf542m, bf544m, bf547m, bf548m, and bf549m.
7800
7801         From Jie Zhang <jie.zhang@analog.com>:
7802         * config/bfin/predicates.md (p_register_operand): New predicate.
7803         (dp_register_operand): New predicate.
7804         * config/bfin/bfin-protos.h (WA_05000074): Define.
7805         (ENABLE_WA_05000074): Define.
7806         * config/bfin/bfin.c (bfin_cpus[]): Add WA_05000074 for all cpus.
7807         (bfin_gen_bundles): Put dsp32shiftimm instruction in slot[0].
7808         * config/bfin/bfin.md (define_attr type): Add dsp32shiftimm.
7809         (define_attr addrtype): Allow load/store register to be P register.
7810         (define_attr storereg): New.
7811         (define_cpu_unit anomaly_05000074): New.
7812         (define_insn_reservation dsp32shiftimm): New.
7813         (define_insn_reservation dsp32shiftimm_anomaly_05000074): New.
7814         (define_insn_reservation loadp): Cannot use slot2.
7815         (define_insn_reservation loadsp): Cannot use slot2.
7816         (define_insn_reservation storep): Cannot use slot2. Does not
7817         apply when working around 05000074.
7818         (define_insn_reservation storep_anomaly_05000074): New.
7819         (define_insn_reservation storei): Does not apply when working
7820         around 05000074.
7821         (define_insn_reservation storei_anomaly_05000074): New.
7822         (define_attr length): Add dsp32shiftimm case.
7823         (define_insn movsi_insn32, movsi_insv, ashlsi3_insn, ashrsi3,
7824         ror_one, rol_one, lshrsi3, lshrpdi3, ashrpdi3, movhiv2hi_low,
7825         movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
7826         ssashiftv2hi3, ssashifthi3, ssashiftsi3, lshiftv2hi3, lshifthi3):
7827         Set type as dsp32shiftimm for dsp32shiftimm alternatives.
7828
7829 2009-09-07  Martin Jambor  <mjambor@suse.cz>
7830
7831         PR middle-end/41282
7832         * tree-sra.c (create_artificial_child_access): Return NULL if
7833         build_ref_for_offset fails.
7834         (propagate_subacesses_accross_link): Allow build_ref_for_offset
7835         and create_artificial_child_access to fail.
7836
7837 2009-09-06  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
7838
7839         PR c++/41214
7840         * unwind-dw2.c (uw_init_context_1): Mark noinline.
7841         * config/ia64/unwind-ia64.c (uw_init_context_1): Likewise.
7842         * config/xtensa/unwind-dw2-xtensa.c (uw_init_context_1): Likewise.
7843
7844 2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
7845
7846         * config/bfin/bfin.c (bfin_optimize_loop): When creating a new basic
7847         block, ensure it has an exit edge.  Emit a barrier after a jump.
7848
7849 2009-09-07  Nick Clifton  <nickc@redhat.com>
7850
7851         * gcc.c (this_is_linker_script): New variable.  Like
7852         this_is_library_file but for the %T constructor.
7853         (end_going_arg): If this_is_linker_script is set then locate the
7854         script and insert a --script switch before it
7855         (do_spec_2): Initialise this_is_linker_script.
7856         (do_spec_1): Likewise.  Handle %T construct.
7857         (eval_spec_function): Preserve this_is_linker_script.
7858         * doc/invoke.texi: Document %T construct in spec files.
7859         * config/m32c/m32c.h (LIB_SPEC): Use it.
7860
7861 2009-09-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7862
7863         * rtl.h (PREFETCH_SCHEDULE_BARRIER_P): New macro.
7864         * sched-deps.c (sched_analyze_2): Make prefetches a hard barrier
7865         when volatile flag is set.
7866         * doc/rtl.texi (PREFETCH_SCHEDULE_BARRIER_P): Add documentation pieces.
7867
7868 2009-09-06  Eric Botcazou  <ebotcazou@adacore.com>
7869
7870         PR bootstrap/41241
7871         * combine-stack-adj.c (try_apply_stack_adjustment): Handle stores.
7872         (combine_stack_adjustments_for_block): Allow insns between stack
7873         adjustments and stores with corresponding pre-(dec|inc)rement or
7874         pre-modify operation.
7875
7876 2009-09-06  Jakub Jelinek  <jakub@redhat.com>
7877
7878         PR bootstrap/41241
7879         * combine-stack-adj.c (struct csa_memlist): Rename to...
7880         (struct csa_reflist): ... this.  Rename mem field to ref.
7881         (free_csa_memlist): Rename to...
7882         (free_csa_reflist): ... this.
7883         (record_one_stack_memref): Rename to...
7884         (record_one_stack_ref): ... this.  Handle also REG_P.
7885         (try_apply_stack_adjustment): Handle also REG_P.
7886         (struct record_stack_memrefs_data): Rename to...
7887         (struct record_stack_refs_data): ... this.  Rename memlist field to
7888         reflist.
7889         (record_stack_memrefs): Rename to...
7890         (record_stack_refs): ... this.  For DEBUG_INSNs keep traversing
7891         subexpressions instead of failing when a MEM contains SP references.
7892         For SP itself in DEBUG_INSNs queue it also onto reflist chain.
7893         (combine_stack_adjustments_for_block): Adjust for mem to ref renaming.
7894
7895 2009-09-06  Richard Guenther  <rguenther@suse.de>
7896
7897         PR middle-end/41144
7898         * tree.c (build_array_type): Do not record types marked
7899         with structural equality in the canonical type hashtable.
7900
7901 2009-09-06  Richard Guenther  <rguenther@suse.de>
7902
7903         PR middle-end/41261
7904         * tree-ssa-alias.c (refs_may_alias_p_1): Bail out for function decls.
7905
7906 2009-09-05  Richard Guenther  <rguenther@suse.de>
7907
7908         PR middle-end/41181
7909         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use the correct type.
7910
7911 2009-09-05  Richard Guenther  <rguenther@suse.de>
7912
7913         PR debug/41273
7914         * tree-ssa-operands.c (get_tmr_operands): Pass through opf_no_vops.
7915
7916 2009-09-05  Richard Guenther  <rguenther@suse.de>
7917
7918         PR middle-end/41271
7919         * tree-ssa.c (useless_type_conversion_p): Drop qualifiers
7920         before comparing function argument types.
7921
7922 2009-09-05  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
7923
7924         PR target/41024
7925         * config/i386/mingw-w64.h (ASM_SPEC): Pass -v instead of -V to
7926         the assembler.
7927
7928 2009-09-04  Uros Bizjak  <ubizjak@gmail.com>
7929
7930         Revert:
7931         2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
7932
7933         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
7934         locators before emit_insn is called.
7935
7936 2009-09-04  Vladimir Makarov  <vmakarov@redhat.com>
7937
7938         PR bootstrap/41241
7939         * ira.c (update_equiv_reg): Revert my previous patch for the PR.
7940         * reginfo.c (resize_reg_info): Call allocate_reg_info if necessary.
7941         (reginfo_init): Don't call allocate_reg_info.
7942
7943 2009-09-04  Uros Bizjak  <ubizjak@gmail.com>
7944
7945         PR target/41262
7946         * config/alpha/alpha.c (alpha_does_function_need_gp): Use
7947         NONDEBUG_INSN_P instead of INSN_P.
7948
7949 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
7950
7951         PR debug/41225
7952         * tree-vect-stmts.c (vect_stmt_relevant_p): Skip debug uses.
7953
7954 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
7955
7956         PR target/41252
7957         * config/arm/vfp.md (*cmpdf_split_vfp): Fix src mode in the second
7958         pattern of the split.
7959
7960 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
7961
7962         * toplev.c (process_options): Move setter of flag_var_tracking
7963         before other tests that depend on it.  Move down setter of
7964         flag_rename_registers.  Don't enable var-tracking-assignments
7965         by default if selective scheduling is enabled.  Warn if both
7966         are enabled.
7967
7968 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
7969
7970         * var-tracking.c (dv_is_decl_p): Adjust NULL behavior to match
7971         comment.  Use switch statement to catch overlaps between rtx
7972         and tree codes.  Accept FUNCTION_DECLs in addition to those in...
7973         (IS_DECL_CODE): ... here. Remove.
7974         (check_value_is_not_decl): Remove.
7975         (dv_from_decl, dv_from_value): Check after conversion.
7976
7977 2009-09-04  Richard Guenther  <rguenther@suse.de>
7978
7979         PR middle-end/41257
7980         * (cgraph_finalize_compilation_unit): Move finalizing aliases
7981         after emitting tunks.  Move emitting thunks and ctors from ...
7982         (cgraph_optimize): ... here.  Remove redundant
7983         cgraph_analyze_functions.
7984         * varasm.c (find_decl_and_mark_needed): Remove no longer
7985         necessary check.
7986         (finish_aliases_1): Adjust check for thunk aliases.
7987
7988 2009-09-04  Daniel Gutson  <dgutson@codesourcery.com>
7989
7990         * config/arm/arm.md (ctzsi2): Added braces
7991         to avoid warning that broke booststrap.
7992
7993 2009-09-04  Martin Jambor  <mjambor@suse.cz>
7994
7995         PR tree-optimization/41112
7996         * tree-sra.c (build_ref_for_offset_1): Signal that we cannot
7997         handle variable-bounded arrays.
7998         (expr_with_var_bounded_array_refs_p): New function.
7999         (analyze_access_subtree): Call expr_with_var_bounded_array_refs_p.
8000
8001 2009-09-04  Wolfgang Gellerich  <gellerich@de.ibm.com>
8002
8003         * config/s390/2097.md: Removed two incorrect bypasses.
8004         (z10_fsimpdf): Fixed latency.
8005         (z10_fhex): New insn_reservation.
8006         (z10_floaddf): Fixed latency.
8007         (z10_floadsf): Fixed latency.
8008         (z10_ftrunctf): Fixed latency.
8009         (z10_ftruncdf): Fixed latency.
8010         * config/s390/s390.c (z10_cost): Fixed values.
8011         (s390_adjust_priority): Added z10 path.
8012         * config/s390/s390.md (type): Added fhex.
8013         (*mov<mode>_64dfp): Updated type attribute.
8014         (*mov<mode>_64): Updated type attribute.
8015         (*mov<mode>_31): Updated type attribute.
8016         (*mov<mode>"): Likewise.
8017         * config/s390/2084.md (x_fsimpdf): Updated condition.
8018
8019 2009-09-04  Andreas Krebbel  <krebbel1@de.ibm.com>
8020
8021         * config/s390/s390.md ("*fmadd<mode>", "*fmsub<mode>"): Enable mem
8022         RTXs in the predicate for operand 1.
8023
8024 2009-09-03  Daniel Gutson  <dgutson@codesourcery.com>
8025
8026         * config/arm/arm.md (UNSPEC_RBIT): New constant.
8027         (rbitsi2): New insn.
8028         (ctzsi2): New expand.
8029         * config/arm/arm.h (CTZ_DEFINED_VALUE_AT_ZERO): New macro.
8030
8031 2009-09-03  Martin Jambor  <mjambor@suse.cz>
8032
8033         * tree-sra.c (duplicate_expr_for_different_base): Removed.
8034         (create_artificial_child_access): Use build_ref_for_offset instead
8035         of duplicate_expr_for_different_base.
8036         (propagate_subacesses_accross_link): Likewise.
8037
8038 2009-09-03  Richard Sandiford  <rdsandiford@googlemail.com>
8039
8040         * config/mips/mips.c (USEFUL_INSN_P): Use NONDEBUG_INSN_P instead
8041         of INSN_P.
8042         (mips16e_collect_argument_saves): Skip debug instructions.
8043         (mips_74k_agen_init): Use CALL_P || JUMP_P instead of !NONJUMP_INSN_P.
8044         (mips16_lay_out_constants): Use USEFUL_INSN_P instead of INSN_P.
8045         (r10k_insert_cache_barriers): Likewise.
8046         (mips_reorg_process_insns): Likewise.
8047
8048 2009-09-03  Vladimir Makarov  <vmakarov@redhat.com>
8049
8050         PR bootstrap/41241
8051         * ira.c (update_equiv_reg): Remove check on class likely spill.
8052
8053 2009-09-03  Jakub Jelinek  <jakub@redhat.com>
8054
8055         PR debug/41236
8056         * dwarf2out.c (loc_descriptor): Don't use SUBREG_REG macro on
8057         SIGN_EXTEND or ZERO_EXTEND.  Don't assume there is a REG inside of
8058         it or SUBREG.
8059
8060         PR debug/41238
8061         * function.c (assign_parm_find_stack_rtl): Don't set mem attributes on
8062         the stack slot if it is passed by invisible reference.
8063         * var-tracking.c (vt_add_function_parameters): Handle arguments passed
8064         by invisible reference.
8065
8066 2009-09-03  Bernd Schmidt  <bernd.schmidt@analog.com>
8067
8068         * config/bfin/linux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
8069         * config/bfin/uclinux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
8070         * config/bfin/bfin.h (TARGET_SUPPORTS_SYNC_CALLS): Provide default of
8071         0.
8072         * config/bfin/sync.md: New file.
8073         * config/bfin/bfin.md: Include it.
8074         (UNSPEC_ATOMIC): New.
8075         (UNSPEC_ONES): Provide a unique number.
8076
8077         From Jie Zhang <jie.zhang@analog.com>:
8078         * config/bfin/bfin.c (ret_regs): New.
8079         (must_save_fp_p): Don't return true because of frame_pointer_needed.
8080         (must_save_rets_p): New.
8081         (n_regs_saved_by_prologue): Use must_save_rets_p instead of
8082         current_function_is_leaf.
8083         (do_link): Likewise.
8084         (do_unlink): Likewise.
8085         (expand_interrupt_handler_prologue): Use ret_regs array.
8086         (expand_interrupt_handler_epilogue): Use ret_regs array and
8087         pass return register to gen_return_internal.
8088         (bfin_expand_epilogue): Pass return register to
8089         gen_return_internal.
8090         (bfin_expand_call): Explicitly clobber RETS.
8091         * config/bfin/bfin.h (FUNCTION_RETURN_REGISTERS): Define.
8092         * config/bfin/bfin.md (call_symbol_fdpic, call_value_symbol_fdpic,
8093         call_insn_fdpic, call_value_insn_fdpic, call_symbol,
8094         call_value_symbol, call_insn, call_value_insn): Explicitly clobber
8095         RETS.
8096         (return_internal): Take a reg rtx rather than the register number.
8097
8098 2009-09-03  H.J. Lu  <hongjiu.lu@intel.com>
8099
8100         * tree-parloops.c (parallelize_loops): Cast to HOST_WIDE_INT
8101         when comparing against estimated_loop_iterations_int return.
8102
8103 2009-09-03  Richard Guenther  <rguenther@suse.de>
8104
8105         * dwarf2out.c (dwarf2out_do_cfi_asm): Remove check of
8106         eh_personality_libfunc.
8107
8108 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
8109
8110         * tree-parloops.c (separate_decls_in_region): Add space.
8111
8112 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
8113
8114         * tree-parloops.c (separate_decls_in_region): Change the condition
8115         checking if there are reductions in the loop.
8116
8117 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
8118
8119         PR tree-optimization/38275
8120         * tree-parloops.c (parallelize_loops): Replace profitability condition
8121         for expected number of iterations.
8122
8123 2009-09-03  Alexandre Oliva  <aoliva@redhat.com>
8124
8125         * doc/invoke.texi (BUILD_CONFIG): Document --with-build-config.
8126         (bootstrap-debug): Explain conditions in which it becomes default.
8127         (bootstrap-debug-big): Rather than duplicate bootstrap-debug,
8128         make it add to it.
8129
8130 2009-09-03  Namhyung Kim  <namhyung@gmail.com>
8131
8132         * doc/invoke.texi (Optimize Options): Move
8133         -finline-small-functions to the -O2 list.
8134
8135 2009-09-03  Alexandre Oliva  <aoliva@redhat.com>
8136
8137         * toplev.c (process_options): Enable var-tracking-assignments
8138         by default if var-tracking is enabled.
8139
8140 2009-09-02  David Daney  <ddaney@caviumnetworks.com>
8141
8142         * cfgbuild.c (find_bb_boundaries): Split blocks containing a
8143         barrier.
8144         * emit-rtl.c (prev_nonnote_insn_bb): New function.
8145         * rtl.h (prev_nonnote_insn_bb): Declare it.
8146
8147 2009-09-03  Diego Novillo  <dnovillo@google.com>
8148
8149         * cgraph.c (cgraph_node_for_decl): New.
8150         * cgraph.h (cgraph_node_for_decl): Declare.
8151         * tree.c (host_integerp): Return 0 if T is NULL.
8152
8153 2009-09-03  Diego Novillo  <dnovillo@google.com>
8154
8155         * tree.h (struct alias_pair): Move from varasm.c.
8156         (alias_pairs): Likewise.
8157         (TYPE_MAXVAL): Define.
8158         (TYPE_MINVAL): Define.
8159         (iterative_hash_host_wide_int): Declare.
8160         (remove_unreachable_alias_pairs): Declare.
8161         * tree-pass.h (pass_ipa_free_lang_data): Declare.
8162         * diagnostic.c (default_diagnostic_starter): Make extern.
8163         (default_diagnostic_finalizer): Make extern.
8164         * diagnostic.h (default_diagnostic_starter): Declare.
8165         (default_diagnostic_finalizer): Declare.
8166         (default_tree_printer): Declare.
8167         * toplev.c (default_tree_printer): Make extern.
8168
8169 2009-09-03  Richard Guenther  <rguenther@suse.de>
8170             Diego Novillo  <dnovillo@google.com>
8171
8172         * cgraph.c (cgraph_add_new_function): Remove gimplification.
8173         * cgraphunit.c (cgraph_expand_function): Do not emit
8174         associated thunks from here.
8175         (cgraph_emit_thunks): New.
8176         (cgraph_optimize): Call it.
8177         Return if any IPA pass finds an error.
8178         * varasm.c (finish_aliases_1): Ignore errorneous aliases used
8179         by thunks.
8180
8181 2009-09-03  Simon Baldwin  <simonb@google.com>
8182             Rafael Espindola  <espindola@google.com>
8183             Richard Guenther  <rguenther@suse.de>
8184             Doug Kwan  <dougkwan@google.com>
8185             Diego Novillo  <dnovillo@google.com>
8186
8187         * tree.c: Include tree-pass.h, langhooks-def.h,
8188         diagnostic.h, cgraph.h, timevar.h, except.h and debug.h.
8189         (free_lang_data_in_type): New.
8190         (need_assembler_name_p): New.
8191         (free_lang_data_in_block): New.
8192         (free_lang_data_in_decl): New.
8193         (struct free_lang_data_d): New.
8194         (add_tree_to_fld_list): New.
8195         (find_decls_types_r): New.
8196         (get_eh_types_for_runtime): New.
8197         (find_decls_types_in_eh_region): New.
8198         (find_decls_types_in_node): New.
8199         (find_decls_types_in_var): New.
8200         (free_lang_data_in_cgraph): New.
8201         (free_lang_data): New.
8202         (gate_free_lang_data): New.
8203         (pass_ipa_free_lang_data): New.
8204
8205 2009-09-03  Diego Novillo  <dnovillo@google.com>
8206
8207         * timevar.def (TV_IPA_FREE_LANG_DATA): Define.
8208         * langhooks.h (struct lang_hooks): Add field free_lang_data.
8209         (lang_hooks): Remove const qualifier.
8210         * ipa.c (cgraph_remove_unreachable_nodes): Call
8211         remove_unreachable_alias_pairs.
8212         * except.c (add_type_for_runtime): Check if TYPE has
8213         already been converted.
8214         (lookup_type_for_runtime): Likewise.
8215         (check_handled): Handle converted types.
8216         * varasm.c (remove_unreachable_alias_pairs): New.
8217         * gimple.c: Include demangle.h.
8218         (gimple_decl_printable_name): New.
8219         (gimple_fold_obj_type_ref): New.
8220         * gimple.h (gimple_decl_printable_name): Declare.
8221         (gimple_fold_obj_type_ref): Declare.
8222         * passes.c (init_optimization_passes): Add pass
8223         pass_ipa_free_lang_data.
8224         * langhooks-def.h (LANG_HOOKS_FREE_LANG_DATA): Define.
8225         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_FREE_LANG_DATA.
8226
8227 2009-09-03  Diego Novillo  <dnovillo@google.com>
8228
8229         * c-lang.c (lang_hooks): Remove const qualifier.
8230
8231 2009-09-02  Loren James Rittle  <ljrittle@acm.org>
8232
8233         * doc/install.texi (*-*-freebsd*): Update target information.
8234
8235 2009-09-02  Anatoly Sokolov  <aesok@post.ru>
8236
8237         * hard-reg-set.h (call_fixed_regs): Remove.
8238         * reginfo.c (call_fixed_regs): Remove.
8239         (init_reg_sets_1): Remove initialization of call_fixed_regs.
8240         (globalize_reg): Don't use call_fixed_regs.
8241         * caller-save.c (init_caller_save): Use call_fixed_reg_set instead of
8242         call_fixed_regs.
8243
8244 2009-09-01  Michael Matz  <matz@suse.de>
8245
8246         * expr.h (emit_storent_insn, expand_expr_real_1,
8247         expand_expr_real_2): Declare.
8248         * expr.c (emit_storent_insn, expand_expr_real_1,
8249         expand_expr_real_2): Export.
8250         (store_expr): Setting and evaluating dont_return_target is useless.
8251         (expand_expr_real_1, <case GOTO_EXPR, RETURN_EXPR, SWITCH_EXPR,
8252         LABEL_EXPR and ASM_EXPR>): Move to gcc_unreachable.
8253         * except.c (expand_resx_expr): Rename to ...
8254         (expand_resx_stmt): ... this.  Rewrite to take gimple statement.
8255         * except.h (expand_resx_stmt): Declare.
8256         * stmt.c: Add include gimple.h
8257         (expand_asm_expr): Rename to ...
8258         (expand_asm_stmt): ... this. Rewrite to take gimple statement.
8259         (expand_case): Rewrite to take gimple statement.
8260         * tree.h (expand_asm_stmt): Declare.
8261         (expand_case): Change prototype.
8262         * Makefile.in (stmt.o): Depend on gimple.h.
8263         * builtins.c (expand_builtin_synchronize): Build gimple asm
8264         statement, not an ASM_EXPR.
8265         * cfgexpand.c (gimple_cond_pred_to_tree, set_expr_location_r,
8266         gimple_to_tree, release_stmt_tree): Remove.
8267         (expand_gimple_cond): Don't call gimple_cond_pred_to_tree or
8268         ggc_free, but hold comparison code and operands separately.
8269         Call jumpif_1 and jumpifnot_1 instead of jumpif and jumpifnot.
8270         (expand_call_stmt, expand_gimple_stmt_1,
8271         expand_gimple_stmt): New helpers.
8272         (expand_gimple_tailcall): Don't call gimple_to_tree, expand_expr_stmt,
8273         release_stmt_tree.  Call expand_gimple_stmt instead.
8274         (expand_gimple_basic_block): Ditto.
8275
8276         * calls.c (emit_call_1): Don't look at EH regions here, make
8277         fntree parameter useless.
8278         (expand_call): New local rettype for TREE_TYPE(exp), use it
8279         throughout.  Remove local p, use addr instead.
8280         Don't look at EH regions here.
8281
8282 2009-09-02  Vladimir Makarov  <vmakarov@redhat.com>
8283
8284         * doc/invoke.texi (-fsched-pressure): Document it.
8285         (-fsched-reg-pressure-heuristic): Remove it.
8286
8287         * reload.c (ira.h): Include.
8288         (find_reloads): Add choosing reload on number of small spilled
8289         classes.
8290
8291         * haifa-sched.c (ira.h): Include.
8292         (sched_pressure_p, sched_regno_cover_class, curr_reg_pressure,
8293         saved_reg_pressure, curr_reg_live, saved_reg_live,
8294         region_ref_regs): New variables.
8295         (sched_init_region_reg_pressure_info, mark_regno_birth_or_death,
8296         initiate_reg_pressure_info, setup_ref_regs,
8297         initiate_bb_reg_pressure_info, save_reg_pressure,
8298         restore_reg_pressure, dying_use_p, print_curr_reg_pressure): New
8299         functions.
8300         (setup_insn_reg_pressure_info): New function.
8301         (rank_for_schedule): Add pressure checking and insn issue time.
8302         Remove comparison of insn reg weights.
8303         (ready_sort): Set insn reg pressure info.
8304         (update_register_pressure, setup_insn_max_reg_pressure,
8305         update_reg_and_insn_max_reg_pressure,
8306         sched_setup_bb_reg_pressure_info): New functions.
8307         (schedule_insn): Add code for printing and updating reg pressure info.
8308         (find_set_reg_weight, find_insn_reg_weight): Remove.
8309         (ok_for_early_queue_removal): Do nothing if pressure_only_p.
8310         (debug_ready_list): Print reg pressure info.
8311         (schedule_block): Ditto.  Check insn issue time.
8312         (sched_init): Set up sched_pressure_p.  Allocate and set up some
8313         reg pressure related info.
8314         (sched_finish): Free some reg pressure related info.
8315         (fix_tick_ready): Make insn always ready if pressure_p.
8316         (init_h_i_d): Don't call find_insn_reg_weight.
8317         (haifa_finish_h_i_d): Free insn reg pressure info.
8318
8319         * ira-int.h (ira_hard_regno_cover_class, ira_reg_class_nregs,
8320         ira_memory_move_cost, ira_class_hard_regs,
8321         ira_class_hard_regs_num, ira_no_alloc_regs,
8322         ira_available_class_regs, ira_reg_class_cover_size,
8323         ira_reg_class_cover, ira_class_translate): Move to ira.h.
8324
8325         * ira-lives.c (single_reg_class): Check mode to find how many
8326         registers are necessary for operand.
8327         (ira_implicitly_set_insn_hard_regs): New.
8328
8329         * common.opt (fsched-pressure): New options.
8330         (fsched-reg-pressure-heuristic): Remove.
8331
8332         * ira.c (setup_eliminable_regset): Rename to
8333         ira_setup_eliminable_regset.  Make it external.
8334         (expand_reg_info): Pass cover class to setup_reg_classes.
8335         (ira): Call resize_reg_info instead of allocate_reg_info.
8336
8337         * sched-deps.c: Include ira.h.
8338         (implicit_reg_pending_clobbers, implicit_reg_pending_uses): New.
8339         (create_insn_reg_use, create_insn_reg_set, setup_insn_reg_uses,
8340         reg_pressure_info, insn_use_p, mark_insn_pseudo_birth,
8341         mark_insn_hard_regno_birth, mark_insn_reg_birth,
8342         mark_pseudo_death, mark_hard_regno_death, mark_reg_death,
8343         mark_insn_reg_store, mark_insn_reg_clobber,
8344         setup_insn_reg_pressure_info): New.
8345         (sched_analyze_1): Update implicit_reg_pending_uses.
8346         (sched_analyze_insn): Find implicit sets, uses, clobbers of regs.
8347         Use them to create dependencies.  Set insn reg uses and pressure
8348         info.  Process reg_pending_uses in one place.
8349         (free_deps): Free implicit sets.
8350         (remove_from_deps): Remove implicit sets if necessary.  Check
8351         implicit sets when clearing reg_last_in_use.
8352         (init_deps_global): Clear implicit_reg_pending_clobbers and
8353         implicit_reg_pending_uses.
8354
8355         * ira.h (ira_hard_regno_cover_class, ira_reg_class_nregs,
8356         ira_memory_move_cost, ira_class_hard_regs,
8357         ira_class_hard_regs_num, ira_no_alloc_regs,
8358         ira_available_class_regs, ira_reg_class_cover_size,
8359         ira_reg_class_cover, ira_class_translate): Move from ira-int.h.
8360         (ira_setup_eliminable_regset, ira_set_pseudo_classes,
8361         ira_implicitly_set_insn_hard_regs): New prototypes.
8362
8363         * ira-costs.c (pseudo_classes_defined_p, allocno_p,
8364         cost_elements_num): New variables.
8365         (allocno_costs, total_costs): Rename to costs and
8366         total_allocno_costs.
8367         (COSTS_OF_ALLOCNO): Rename to COSTS.
8368         (allocno_pref): Rename to pref.
8369         (allocno_pref_buffer): Rename to pref_buffer.
8370         (common_classes): Rename to regno_cover_class.
8371         (COST_INDEX): New.
8372         (record_reg_classes): Set allocno attributes only if allocno_p.
8373         (record_address_regs): Ditto.  Use COST_INDEX instead of ALLOCNO_NUM.
8374         (scan_one_insn): Use COST_INDEX and COSTS instead of ALLOCNO_NUM
8375         and COSTS_OF_ALLOCNO.
8376         (print_costs): Rename to print_allocno_costs.
8377         (print_pseudo_costs): New.
8378         (process_bb_node_for_costs): Split into 2 functions with new
8379         function process_bb_for_costs.  Pass BB to process_bb_for_costs.
8380         (find_allocno_class_costs): Rename to find_costs_and_classes.  Add
8381         new parameter dump_file.  Use cost_elements_num instead of
8382         ira_allocnos_num.  Make one iteration if preferred classes were
8383         already calculated for scheduler.  Make 2 versions of code
8384         depending on allocno_p.
8385         (setup_allocno_cover_class_and_costs): Check allocno_p.  Use
8386         regno_cover_class and COSTS instead of common_classes and
8387         COSTS_OF_ALLOCNO.
8388         (init_costs, finish_costs): New.
8389         (ira_costs): Set up allocno_p and cost_elements_num.  Call
8390         init_costs and finish_costs.
8391         (ira_set_pseudo_classes): New.
8392
8393         * rtl.h (allocate_reg_info): Remove.
8394         (resize_reg_info): Change return type.
8395         (reg_cover_class): New.
8396         (setup_reg_classes): Add new parameter.
8397
8398         * sched-int.h (struct deps_reg): New member implicit_sets.
8399         (sched_pressure_p, sched_regno_cover_class): New external definitions.
8400         (INCREASE_BITS): New macro.
8401         (struct reg_pressure_data, struct reg_use_data): New.
8402         (struct _haifa_insn_data): Remove reg_weight.  Add members
8403         reg_pressure, reg_use_list, reg_set_list, and
8404         reg_pressure_excess_cost_change.
8405         (struct deps): New member implicit_sets.
8406         (pressure_p): New variable.
8407         (COVER_CLASS_BITS, INCREASE_BITS): New macros.
8408         (struct reg_pressure_data, struct reg_use_data): New.
8409         (INSN_REG_WEIGHT): Remove.
8410         (INSN_REG_PRESSURE, INSN_MAX_REG_PRESSURE, INSN_REG_USE_LIST,
8411         INSN_REG_SET_LIST, INSN_REG_PRESSURE_EXCESS_COST_CHANGE): New macros.
8412         (sched_init_region_reg_pressure_info,
8413         sched_setup_bb_reg_pressure_info): New prototypes.
8414
8415         * reginfo.c (struct reg_pref): New member coverclass.
8416         (reg_cover_class): New function.
8417         (reginfo_init, pass_reginfo_init): Move after free_reg_info.
8418         (reg_info_size): New variable.
8419         (allocate_reg_info): Make static.  Setup reg_info_size.
8420         (resize_reg_info): Use reg_info_size.  Return flag of resizing.
8421         (setup_reg_classes): Add a new parameter.  Setup cover class too.
8422
8423         * Makefile.in (reload.o, haifa-sched.o, sched-deps.o): Add ira.h to
8424         the dependencies.
8425
8426         * sched-rgn.c (deps_join): Set up implicit_sets.
8427         (schedule_region): Set up region and basic blocks pressure
8428         relative info.
8429
8430         * passes.c (init_optimization_passes): Move
8431         pass_subregs_of_mode_init before pass_sched.
8432
8433 2009-09-02  Martin Jambor  <mjambor@suse.cz>
8434
8435         * tree-sra.c (struct access): New field grp_hint.
8436         (dump_access): Dump grp_hint.
8437         (sort_and_splice_var_accesses): Set grp_hint if a group is read
8438         multiple times.
8439         (analyze_access_subtree): Only scalarize accesses with grp_hint set or
8440         those which have been specifically read and somehow written to.
8441         (propagate_subacesses_accross_link): Set grp_hint of right child and
8442         also possibly of the left child.
8443
8444 2009-09-02  Jakub Jelinek  <jakub@redhat.com>
8445
8446         * tree-object-size.c (addr_object_size): Always use object_size_type
8447         0 or 2 when determining the pointer pointed object size.
8448
8449 2009-09-02  Richard Guenther  <rguenther@suse.de>
8450
8451         Revert
8452         2009-08-31  Richard Guenther  <rguenther@suse.de>
8453
8454         * builtins.c (fold_builtin_memory_op): Use the alias oracle
8455         to query if the memory regions for memmove overlap.
8456         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Relax the
8457         asserts on pointers, instead deal with odd trees.
8458         (ptr_derefs_may_alias_p): Likewise.
8459         (refs_may_alias_p_1): Constructor bases also never alias.
8460
8461 2009-08-01  Christian Bruel  <christian.bruel@st.com>
8462
8463         Revert:
8464         2009-07-31  Christian Bruel  <christian.bruel@st.com>
8465         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
8466
8467 2009-09-01  Alexandre Oliva  <aoliva@redhat.com>
8468
8469         * doc/invoke.texi (-fvar-tracking-assignments): New.
8470         (-fvar-tracking-assignments-toggle): New.
8471         (-fdump-final-insns=file): Mark filename as optional.
8472         (--param min-nondebug-insn-uid): New.
8473         (-gdwarf-@{version}): Mention version 4.
8474         * opts.c (common_handle_option): Accept it.
8475         * tree-vrp.c (find_assert_locations_1): Skip debug stmts.
8476         * regrename.c (regrename_optimize): Drop last.  Don't count debug
8477         insns as uses.  Don't reject change because of debug insn.
8478         (do_replace): Reject DEBUG_INSN as chain starter.  Take base_regno
8479         from the chain starter, and check for inexact matches in DEBUG_INSNS.
8480         (scan_rtx_reg): Accept inexact matches in DEBUG_INSNs.
8481         (build_def_use): Simplify and fix the marking of DEBUG_INSNs.
8482         * sched-ebb.c (schedule_ebbs): Skip boundary debug insns.
8483         * fwprop.c (forward_propagate_and_simplify): ...into debug insns.
8484         * doc/gimple.texi (is_gimple_debug): New.
8485         (gimple_debug_bind_p): New.
8486         (is_gimple_call, gimple_assign_cast_p): End sentence with period.
8487         * doc/install.texi (bootstrap-debug): More details.
8488         (bootstrap-debug-big, bootstrap-debug-lean): Document.
8489         (bootstrap-debug-lib): More details.
8490         (bootstrap-debug-ckovw): Update.
8491         (bootstrap-time): New.
8492         * tree-into-ssa.c (mark_def_sites): Skip debug stmts.
8493         (insert_phi_nodes_for): Insert debug stmts.
8494         (rewrite_stmt): Take iterator.  Insert debug stmts.
8495         (rewrite_enter_block): Adjust.
8496         (maybe_replace_use_in_debug_stmt): New.
8497         (rewrite_update_stmt): Use it.
8498         (mark_use_interesting): Return early for debug stmts.
8499         * tree-ssa-loop-im.c (rewrite_bittest): Propagate DEFs into debug
8500         stmts before replacing stmt.
8501         (move_computations_stmt): Likewise.
8502         * ira-conflicts.c (add_copies): Skip debug insns.
8503         * regstat.c (regstat_init_n_sets_and_refs): Discount debug insns.
8504         (regstat_bb_compute_ri): Skip debug insns.
8505         * tree-ssa-threadupdate.c (redirection_block_p): Skip debug stmts.
8506         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
8507         check_loop_closed_ssa_stmt): Skip debug stmts.
8508         * tree-tailcall.c (find_tail_calls): Likewise.
8509         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
8510         * tree.h (MAY_HAVE_DEBUG_STMTS): New.
8511         (build_var_debug_value_stat): Declare.
8512         (build_var_debug_value): Define.
8513         (target_for_debug_bind): Declare.
8514         * reload.c (find_equiv_reg): Skip debug insns.
8515         * rtlanal.c (reg_used_between_p): Skip debug insns.
8516         (side_effects_p): Likewise.
8517         (canonicalize_condition): Likewise.
8518         * ddg.c (create_ddg_dep_from_intra_loop_link): Check that non-debug
8519         insns never depend on debug insns.
8520         (create_ddg_dep_no_link): Likewise.
8521         (add_cross_iteration_register_deps): Use ANTI_DEP for debug insns.
8522         Don't add inter-loop dependencies for debug insns.
8523         (build_intra_loop_deps): Likewise.
8524         (create_ddg): Count debug insns.
8525         * ddg.h (struct ddg::num_debug): New.
8526         (num_backargs): Pair up with previous int field.
8527         * diagnostic.c (diagnostic_report_diagnostic): Skip notes on
8528         -fcompare-debug-second.
8529         * final.c (get_attr_length_1): Skip debug insns.
8530         (rest_of_clean-state): Don't dump CFA_RESTORE_STATE.
8531         * gcc.c (invoke_as): Call compare-debug-dump-opt.
8532         (driver_self_specs): Map -fdump-final-insns to
8533         -fdump-final-insns=..
8534         (get_local_tick): New.
8535         (compare_debug_dump_opt_spec_function): Test for . argument and
8536         compute output name.  Compute temp output spec without flag name.
8537         Compute -frandom-seed.
8538         (OPT): Undef after use.
8539         * cfgloopanal.c (num_loop_insns): Skip debug insns.
8540         (average_num_loop_insns): Likewise.
8541         * params.h (MIN_NONDEBUG_INSN_UID): New.
8542         * gimple.def (GIMPLE_DEBUG): New.
8543         * ipa-reference.c (scan_stmt_for_static_refs): Skip debug stmts.
8544         * auto-inc-dec.c (merge_in_block): Skip debug insns.
8545         (merge_in_block): Fix whitespace.
8546         * toplev.c (flag_var_tracking): Update comment.
8547         (flag_var_tracking_assignments): New.
8548         (flag_var_tracking_assignments_toggle): New.
8549         (process_options): Don't open final insns dump file if we're not
8550         going to write to it.  Compute defaults for var_tracking.
8551         * df-scan.c (df_insn_rescan_debug_internal): New.
8552         (df_uses_record): Handle debug insns.
8553         * haifa-sched.c (ready): Initialize n_debug.
8554         (contributes_to_priority): Skip debug insns.
8555         (dep_list_size): New.
8556         (priority): Use it.
8557         (rank_for_schedule): Likewise.  Schedule debug insns as soon as
8558         they're ready.  Disregard previous debug insns to make decisions.
8559         (queue_insn): Never queue debug insns.
8560         (ready_add, ready_remove_first, ready_remove): Count debug insns.
8561         (schedule_insn): Don't reject debug insns because of issue rate.
8562         (get_ebb_head_tail, no_real_insns_p): Skip boundary debug insns.
8563         (queue_to_ready): Skip and discount debug insns.
8564         (choose_ready): Let debug insns through.
8565         (schedule_block): Check boundary debug insns.  Discount debug
8566         insns, schedule them early.  Adjust whitespace.
8567         (set_priorities): Check for boundary debug insns.
8568         (add_jump_dependencies): Use dep_list_size.
8569         (prev_non_location_insn): New.
8570         (check_cfg): Use it.
8571         * tree-ssa-loop-ivopts.c (find-interesting_users): Skip debug
8572         stmts.
8573         (remove_unused_ivs): Reset debug stmts.
8574         * modulo-sched.c (const_iteration_count): Skip debug insns.
8575         (res_MII): Discount debug insns.
8576         (loop_single_full_bb_p): Skip debug insns.
8577         (sms_schedule): Likewise.
8578         (sms_schedule_by_order): Likewise.
8579         (ps_has_conflicts): Likewise.
8580         * caller-save.c (refmarker_fn): New.
8581         (save_call_clobbered_regs): Replace regs with saved mem in
8582         debug insns.
8583         (mark_referenced_regs): Take pointer, mark and arg.  Adjust.
8584         Call refmarker_fn mark for hardregnos.
8585         (mark_reg_as_referenced): New.
8586         (replace_reg_with_saved_mem): New.
8587         * ipa-pure-const.c (check_stmt): Skip debug stmts.
8588         * cse.c (cse_insn): Canonicalize debug insns.  Skip them when
8589         searching back.
8590         (cse_extended_basic_block): Skip debug insns.
8591         (count_reg_usage): Likewise.
8592         (is_dead_reg): New, split out of...
8593         (set_live_p): ... here.
8594         (insn_live_p): Use it for debug insns.
8595         * tree-stdarg.c (check_all_va_list_escapes): Skip debug stmts.
8596         (execute_optimize_stdarg): Likewise.
8597         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
8598         * tree-ssa-propagate.c (substitute_and_fold): Don't regard
8599         changes in debug stmts as changes.
8600         * sel-sched.c (moving_insn_creates_bookkeeping_block_p): New.
8601         (moveup_expr): Don't move across debug insns.  Don't move
8602         debug insn if it would create a bookkeeping block.
8603         (moveup_expr_cached): Don't use cache for debug insns that
8604         are heads of blocks.
8605         (compute_av_set_inside_bb): Skip debug insns.
8606         (sel_rank_for_schedule): Schedule debug insns first.  Remove
8607         dead code.
8608         (block_valid_for_bookkeeping_p); Support lax searches.
8609         (create_block_for_bookkeeping): Adjust block numbers when
8610         encountering debug-only blocks.
8611         (find_place_for_bookkeeping): Deal with debug-only blocks.
8612         (generate_bookkeeping_insn): Accept no place to insert.
8613         (remove_temp_moveop_nops): New argument full_tidying.
8614         (prepare_place_to_insert): Deal with debug insns.
8615         (advance_state_on_fence): Debug insns don't start cycles.
8616         (update_boundaries): Take fence as argument.  Deal with
8617         debug insns.
8618         (schedule_expr_on_boundary): No full_tidying on debug insns.
8619         (fill_insns): Deal with debug insns.
8620         (track_scheduled_insns_and_blocks): Don't count debug insns.
8621         (need_nop_to_preserve_insn_bb): New, split out of...
8622         (remove_insn_from_stream): ... this.
8623         (fur_orig_expr_not_found): Skip debug insns.
8624         * rtl.def (VALUE): Move up.
8625         (DEBUG_INSN): New.
8626         * tree-ssa-sink.c (all_immediate_uses_same_place): Skip debug stmts.
8627         (nearest_common_dominator_of_uses): Take debug_stmts argument.
8628         Set it if debug stmts are found.
8629         (statement_sink_location): Skip debug stmts.  Propagate
8630         moving defs into debug stmts.
8631         * ifcvt.c (first_active_insn): Skip debug insns.
8632         (last_active_insns): Likewise.
8633         (cond_exec_process_insns): Likewise.
8634         (noce_process_if_block): Likewise.
8635         (check_cond_move_block): Likewise.
8636         (cond_move_convert_if_block): Likewise.
8637         (block_jumps_and_fallthru_p): Likewise.
8638         (dead_or_predicable): Likewise.
8639         * dwarf2out.c (debug_str_hash_forced): New.
8640         (find_AT_string): Add comment.
8641         (gen_label_for_indirect_string): New.
8642         (get_debug_string_label): New.
8643         (AT_string_form): Use it.
8644         (mem_loc_descriptor): Handle non-TLS symbols.  Handle MINUS , DIV,
8645         MOD, AND, IOR, XOR, NOT, ABS, NEG, and CONST_STRING.  Accept but
8646         discard COMPARE, IF_THEN_ELSE, ROTATE, ROTATERT, TRUNCATE and
8647         several operations that cannot be represented with DWARF opcodes.
8648         (loc_descriptor): Ignore SIGN_EXTEND and ZERO_EXTEND.  Require
8649         dwarf_version 4 for DW_OP_implicit_value and DW_OP_stack_value.
8650         (dwarf2out_var_location): Take during-call mark into account.
8651         (output_indirect_string): Update comment.  Output if there are
8652         label and references.
8653         (prune_indirect_string): New.
8654         (prune_unused_types): Call it if debug_str_hash_forced.
8655         More in dwarf2out.c, from Jakub Jelinek <jakub@redhat.com>:
8656         (dw_long_long_const): Remove.
8657         (struct dw_val_struct): Change val_long_long type to rtx.
8658         (print_die, attr_checksum, same_dw_val_p, loc_descriptor): Adjust for
8659         val_long_long change to CONST_DOUBLE rtx from a long hi/lo pair.
8660         (output_die): Likewise.  Use HOST_BITS_PER_WIDE_INT size of each
8661         component instead of HOST_BITS_PER_LONG.
8662         (output_loc_operands): Likewise.  For const8* assert
8663         HOST_BITS_PER_WIDE_INT rather than HOST_BITS_PER_LONG is >= 64.
8664         (output_loc_operands_raw): For const8* assert HOST_BITS_PER_WIDE_INT
8665         rather than HOST_BITS_PER_LONG is >= 64.
8666         (add_AT_long_long): Remove val_hi and val_lo arguments, add
8667         val_const_double.
8668         (size_of_die): Use HOST_BITS_PER_WIDE_INT size multiplier instead of
8669         HOST_BITS_PER_LONG for dw_val_class_long_long.
8670         (add_const_value_attribute): Adjust add_AT_long_long caller.  Don't
8671         handle TLS SYMBOL_REFs.  If CONST wraps a constant, tail recurse.
8672         (dwarf_stack_op_name): Handle DW_OP_implicit_value and
8673         DW_OP_stack_value.
8674         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
8675         Handle DW_OP_implicit_value.
8676         (extract_int): Move prototype earlier.
8677         (mem_loc_descriptor): For SUBREG punt if inner
8678         mode size is wider than DWARF2_ADDR_SIZE.  Handle SIGN_EXTEND
8679         and ZERO_EXTEND by DW_OP_shl and DW_OP_shr{a,}.  Handle
8680         EQ, NE, GT, GE, LT, LE, GTU, GEU, LTU, LEU, SMIN, SMAX, UMIN,
8681         UMAX, SIGN_EXTRACT, ZERO_EXTRACT.
8682         (loc_descriptor): Compare mode size with DWARF2_ADDR_SIZE
8683         instead of Pmode size.
8684         (loc_descriptor): Add MODE argument.  Handle CONST_INT, CONST_DOUBLE,
8685         CONST_VECTOR, CONST, LABEL_REF and SYMBOL_REF if mode != VOIDmode,
8686         attempt to handle other expressions.  Don't handle TLS SYMBOL_REFs.
8687         (concat_loc_descriptor, concatn_loc_descriptor,
8688         loc_descriptor_from_tree_1): Adjust loc_descriptor callers.
8689         (add_location_or_const_value_attribute): Likewise.  For single
8690         location loc_lists attempt to use add_const_value_attribute
8691         for constant decls.  Add DW_AT_const_value even if
8692         NOTE_VAR_LOCATION is VAR_LOCATION with CONSTANT_P or CONST_STRING
8693         in its expression.
8694         * cfgbuild.c (inside_basic_block_p): Handle debug insns.
8695         (control_flow_insn_p): Likewise.
8696         * tree-parloops.c (eliminate_local_variables_stmt): Handle debug stmt.
8697         (separate_decls_in_region_debug_bind): New.
8698         (separate_decls_in_region): Process debug bind stmts afterwards.
8699         * recog.c (verify_changes): Handle debug insns.
8700         (extract_insn): Likewise.
8701         (peephole2_optimize): Skip debug insns.
8702         * dse.c (scan_insn): Skip debug insns.
8703         * sel-sched-ir.c (return_nop_to_pool): Take full_tidying argument.
8704         Pass it on.
8705         (setup_id_for_insn): Handle debug insns.
8706         (maybe_tidy_empty_bb): Adjust whitespace.
8707         (tidy_control_flow): Skip debug insns.
8708         (sel_remove_insn): Adjust for debug insns.
8709         (sel_estimate_number_of_insns): Skip debug insns.
8710         (create_insn_rtx_from_pattern): Handle debug insns.
8711         (create_copy_of_insn_rtx): Likewise.
8712         * sel-sched-.h (sel_bb_end): Declare.
8713         (sel_bb_empty_or_nop_p): New.
8714         (get_all_loop_exits): Use it.
8715         (_eligible_successor_edge_p): Likewise.
8716         (return_nop_to_pool): Adjust.
8717         * tree-eh.c (tre_empty_eh_handler_p): Skip debug stmts.
8718         * ira-lives.c (process_bb_node_lives): Skip debug insns.
8719         * gimple-pretty-print.c (dump_gimple_debug): New.
8720         (dump_gimple_stmt): Use it.
8721         (dump_bb_header): Skip gimple debug stmts.
8722         * regmove.c (optimize_reg_copy_1): Discount debug insns.
8723         (fixup_match_2): Likewise.
8724         (regmove_backward_pass): Likewise.  Simplify combined
8725         replacement.  Handle debug insns.
8726         * function.c (instantiate_virtual_regs): Handle debug insns.
8727         * function.h (struct emit_status): Add x_cur_debug_insn_uid.
8728         * print-rtl.h: Include cselib.h.
8729         (print_rtx): Print VALUEs.  Split out and recurse for VAR_LOCATIONs.
8730         * df.h (df_inns_rescan_debug_internal): Declare.
8731         * gcse.c (alloc_hash_table): Estimate n_insns.
8732         (cprop_insn): Don't regard debug insns as changes.
8733         (bypass_conditional_jumps): Skip debug insns.
8734         (one_pre_gcse_pass): Adjust.
8735         (one_code_hoisting_pass): Likewise.
8736         (compute_ld_motion_mems): Skip debug insns.
8737         (one_cprop_pass): Adjust.
8738         * tree-if-conv.c (tree_if_convert_stmt): Reset debug stmts.
8739         (if_convertible_stmt_p): Handle debug stmts.
8740         * init-regs.c (initialize_uninitialized_regs): Skip debug insns.
8741         * tree-vect-loop.c (vect_is_simple_reduction): Skip debug stmts.
8742         * ira-build.c (create_bb_allocnos): Skip debug insns.
8743         * tree-flow-inline.h (has_zero_uses): Discount debug stmts.
8744         (has_single_use): Likewise.
8745         (single_imm_use): Likewise.
8746         (num_imm_uses): Likewise.
8747         * tree-ssa-phiopt.c (empty_block_p): Skip debug stmts.
8748         * tree-ssa-coalesce.c (build_ssa_conflict_graph): Skip debug stmts.
8749         (create_outofssa_var_map): Likewise.
8750         * lower-subreg.c (adjust_decomposed_uses): New.
8751         (resolve_debug): New.
8752         (decompose_multiword_subregs): Use it.
8753         * tree-dfa.c (find_referenced_vars): Skip debug stmts.
8754         * emit-rtl.c: Include params.h.
8755         (cur_debug_insn_uid): Define.
8756         (set_new_first_and_last_insn): Set cur_debug_insn_uid too.
8757         (copy_rtx_if_shared_1): Handle debug insns.
8758         (reset_used_flags): Likewise.
8759         (set_used_flags): LIkewise.
8760         (get_max_insn_count): New.
8761         (next_nondebug_insn): New.
8762         (prev_nondebug_insn): New.
8763         (make_debug_insn_raw): New.
8764         (emit_insn_before_noloc): Handle debug insns.
8765         (emit_jump_insn_before_noloc): Likewise.
8766         (emit_call_insn_before_noloc): Likewise.
8767         (emit_debug_insn_before_noloc): New.
8768         (emit_insn_after_noloc): Handle debug insns.
8769         (emit_jump_insn_after_noloc): Likewise.
8770         (emit_call_insn_after_noloc): Likewise.
8771         (emit_debug_insn_after_noloc): Likewise.
8772         (emit_insn_after): Take loc from earlier non-debug insn.
8773         (emit_jump_insn_after): Likewise.
8774         (emit_call_insn_after): Likewise.
8775         (emit_debug_insn_after_setloc): New.
8776         (emit_debug_insn_after): New.
8777         (emit_insn_before): Take loc from later non-debug insn.
8778         (emit_jump_insn_before): Likewise.
8779         (emit_call_insn_before): Likewise.
8780         (emit_debug_insn_before_setloc): New.
8781         (emit_debug_insn_before): New.
8782         (emit_insn): Handle debug insns.
8783         (emit_debug_insn): New.
8784         (emit_jump_insn): Handle debug insns.
8785         (emit_call_insn): Likewise.
8786         (emit): Likewise.
8787         (init_emit): Take min-nondebug-insn-uid into account.
8788         Initialize cur_debug_insn_uid.
8789         (emit_copy_of_insn_after): Handle debug insns.
8790         * cfgexpand.c (gimple_assign_rhs_to_tree): Do not overwrite
8791         location of single rhs in place.
8792         (maybe_dump_rtl_for_gimple_stmt): Dump lineno.
8793         (floor_sdiv_adjust): New.
8794         (cell_sdiv_adjust): New.
8795         (cell_udiv_adjust): New.
8796         (round_sdiv_adjust): New.
8797         (round_udiv_adjust): New.
8798         (wrap_constant): Moved from cselib.
8799         (unwrap_constant): New.
8800         (expand_debug_expr): New.
8801         (expand_debug_locations): New.
8802         (expand_gimple_basic_block): Drop hiding redeclaration.  Expand
8803         debug bind stmts.
8804         (gimple_expand_cfg): Expand debug locations.
8805         * cselib.c: Include tree-pass.h.
8806         (struct expand_value_data): New.
8807         (cselib_record_sets_hook): New.
8808         (PRESERVED_VALUE_P, LONG_TERM_PRESERVED_VALUE_P): New.
8809         (cselib_clear_table): Move, and implemnet in terms of...
8810         (cselib_reset_table_with_next_value): ... this.
8811         (cselib_get_next_unknown_value): New.
8812         (discard_useless_locs): Don't discard preserved values.
8813         (cselib_preserve_value): New.
8814         (cselib_preserved_value_p): New.
8815         (cselib_preserve_definitely): New.
8816         (cselib_clear_preserve): New.
8817         (cselib_preserve_only_values): New.
8818         (new_cselib_val): Take rtx argument.  Dump it in details.
8819         (cselib_lookup_mem): Adjust.
8820         (expand_loc): Take regs_active in struct.  Adjust.  Silence
8821         dumps unless details are requested.
8822         (cselib_expand_value_rtx_cb): New.
8823         (cselib_expand_value_rtx): Rename and reimplment in terms of...
8824         (cselib_expand_value_rtx_1): ... this.  Adjust.  Silence dumps
8825         without details.  Copy more subregs.  Try to resolve values
8826         using a callback.  Wrap constants.
8827         (cselib_subst_to_values): Adjust.
8828         (cselib_log_lookup): New.
8829         (cselib_lookup): Call it.
8830         (cselib_invalidate_regno): Don't count preserved values as useless.
8831         (cselib_invalidate_mem): Likewise.
8832         (cselib_record_set): Likewise.
8833         (struct set): Renamed to cselib_set, moved to cselib.h.
8834         (cselib_record_sets): Adjust.  Call hook.
8835         (cselib_process_insn): Reset table when it would be cleared.
8836         (dump_cselib_val): New.
8837         (dump_cselib_table): New.
8838         * tree-cfgcleanup.c (tree_forwarded_block_p): Skip debug stmts.
8839         (remove_forwarder_block): Support moving debug stmts.
8840         * cselib.h (cselib_record_sets_hook): Declare.
8841         (cselib_expand_callback): New type.
8842         (cselib_expand_value_rtx_cb): Declare.
8843         (cselib_reset_table_with_next_value): Declare.
8844         (cselib_get_next_unknown_value): Declare.
8845         (cselib_preserve_value): Declare.
8846         (cselib_preserved_value_p): Declare.
8847         (cselib_preserve_only_values): Declare.
8848         (dump_cselib_table): Declare.
8849         * cfgcleanup.c (flow_find_cross_jump): Skip debug insns.
8850         (try_crossjump_to_edge): Likewise.
8851         (delete_unreachable_blocks): Remove dominant GIMPLE blocks after
8852         dominated blocks when debug stmts are present.
8853         * simplify-rtx.c (delegitimize_mem_from_attrs): New.
8854         * tree-ssa-live.c (remove_unused_locals): Skip debug stmts.
8855         (set_var_live_on_entry): Likewise.
8856         * loop-invariant.c (find_invariants_bb): Skip debug insns.
8857         * cfglayout.c (curr_location, last_location): Make static.
8858         (set_curr_insn_source_location): Don't avoid bouncing.
8859         (get_curr_insn_source_location): New.
8860         (get_curr_insn_block): New.
8861         (duplicate_insn_chain): Handle debug insns.
8862         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Propagate
8863         into debug stmts.
8864         * common.opt (fcompare-debug): Move to sort order.
8865         (fdump-unnumbered-links): Likewise.
8866         (fvar-tracking-assignments): New.
8867         (fvar-tracking-assignments-toggle): New.
8868         * tree-ssa-dce.c (mark_stmt_necessary): Don't mark blocks
8869         because of debug stmts.
8870         (mark_stmt_if_obviously_necessary): Mark debug stmts.
8871         (eliminate_unnecessary_stmts): Walk dominated blocks before
8872         dominators.
8873         * tree-ssa-ter.c (find_replaceable_in_bb): Skip debug stmts.
8874         * ira.c (memref_used_between_p): Skip debug insns.
8875         (update_equiv_regs): Likewise.
8876         * sched-deps.c (sd_lists_size): Accept empty list.
8877         (sd_init_insn): Mark debug insns.
8878         (sd_finish_insn): Unmark them.
8879         (sd_add_dep): Reject non-debug deps on debug insns.
8880         (fixup_sched_groups): Give debug insns group treatment.
8881         Skip debug insns.
8882         (sched_analyze_reg): Don't mark debug insns for sched before call.
8883         (sched_analyze_2): Handle debug insns.
8884         (sched_analyze_insn): Compute next non-debug insn.  Handle debug
8885         insns.
8886         (deps_analyze_insn): Handle debug insns.
8887         (deps_start_bb): Skip debug insns.
8888         (init_deps): Initialize last_debug_insn.
8889         * tree-ssa.c (target_for_debug_bind): New.
8890         (find_released_ssa_name): New.
8891         (propagate_var_def_into_debug_stmts): New.
8892         (propagate_defs_into_debug_stmts): New.
8893         (verify_ssa): Skip debug bind stmts without values.
8894         (warn_uninialized_vars): Skip debug stmts.
8895         * target-def.h (TARGET_DELEGITIMIZE_ADDRESS): Set default.
8896         * rtl.c (rtx_equal_p_cb): Handle VALUEs.
8897         (rtx_equal_p): Likewise.
8898         * ira-costs.c (scan_one_insn): Skip debug insns.
8899         (process_bb_node_for_hard_reg_moves): Likewise.
8900         * rtl.h (DEBUG_INSN_P): New.
8901         (NONDEBUG_INSN_P): New.
8902         (MAY_HAVE_DEBUG_INSNS): New.
8903         (INSN_P): Accept debug insns.
8904         (RTX_FRAME_RELATED_P): Likewise.
8905         (INSN_DELETED_P): Likewise
8906         (PAT_VAR_LOCATION_DECL): New.
8907         (PAT_VAR_LOCATION_LOC): New.
8908         (PAT_VAR_OCATION_STATUS): New.
8909         (NOTE_VAR_LOCATION_DECL): Reimplement.
8910         (NOTE_VAR_LOCATION_LOC): Likewise.
8911         (NOTE_VAR_LOCATION_STATUS): Likewise.
8912         (INSN_VAR_LOCATION): New.
8913         (INSN_VAR_LOCATION_DECL): New.
8914         (INSN_VAR_LOCATION_LOC): New.
8915         (INSN_VAR_LOCATION_STATUS): New.
8916         (gen_rtx_UNKNOWN_VAR_LOC): New.
8917         (VAR_LOC_UNKNOWN_P): New.
8918         (NOTE_DURING_CALL_P): New.
8919         (SCHED_GROUP_P): Accept debug insns.
8920         (emit_debug_insn_before): Declare.
8921         (emit_debug_insn_before_noloc): Declare.
8922         (emit_debug_insn_beore_setloc): Declare.
8923         (emit_debug_insn_after): Declare.
8924         (emit_debug_insn_after_noloc): Declare.
8925         (emit_debug_insn_after_setloc): Declare.
8926         (emit_debug_insn): Declare.
8927         (make_debug_insn_raw): Declare.
8928         (prev_nondebug_insn): Declare.
8929         (next_nondebug_insn): Declare.
8930         (delegitimize_mem_from_attrs): Declare.
8931         (get_max_insn_count): Declare.
8932         (wrap_constant): Declare.
8933         (unwrap_constant): Declare.
8934         (get_curr_insn_source_location): Declare.
8935         (get_curr_insn_block): Declare.
8936         * tree-inline.c (insert_debug_decl_map): New.
8937         (processing_debug_stmt): New.
8938         (remap_decl): Don't create new mappings in debug stmts.
8939         (remap_gimple_op_r): Don't add references in debug stmts.
8940         (copy_tree_body_r): Likewise.
8941         (remap_gimple_stmt): Handle debug bind stmts.
8942         (copy_bb): Skip debug stmts.
8943         (copy_edges_for_bb): Likewise.
8944         (copy_debug_stmt): New.
8945         (copy_debug_stmts): New.
8946         (copy_body): Copy debug stmts at the end.
8947         (insert_init_debug_bind): New.
8948         (insert_init_stmt): Take id.  Skip and emit debug stmts.
8949         (setup_one_parameter): Remap variable earlier, register debug mapping.
8950         (estimate_num_insns): Skip debug stmts.
8951         (expand_call_inline): Preserve debug_map.
8952         (optimize_inline_calls): Check for no debug_stmts left-overs.
8953         (unsave_expr_now): Preserve debug_map.
8954         (copy_gimple_seq_and_replace_locals): Likewise.
8955         (tree_function_versioning): Check for no debug_stmts left-overs.
8956         Init and destroy debug_map as needed.  Split edges unconditionally.
8957         (build_duplicate_type): Init and destroy debug_map as needed.
8958         * tree-inline.h: Include gimple.h instead of pointer-set.h.
8959         (struct copy_body_data): Add debug_stmts and debug_map.
8960         * sched-int.h (struct ready_list): Add n_debug.
8961         (struct deps): Add last_debug_insn.
8962         (DEBUG_INSN_SCHED_P): New.
8963         (BOUNDARY_DEBUG_INSN_P): New.
8964         (SCHEDULE_DEBUG_INSN_P): New.
8965         (sd_iterator_cond): Accept empty list.
8966         * combine.c (create_log_links): Skip debug insns.
8967         (combine_instructions): Likewise.
8968         (cleanup_auto_inc_dec): New.  From Jakub Jelinek: Make sure the
8969         return value is always unshared.
8970         (struct rtx_subst_pair): New.
8971         (auto_adjust_pair): New.
8972         (propagate_for_debug_subst): New.
8973         (propagate_for_debug): New.
8974         (try_combine): Skip debug insns.  Propagate removed defs into
8975         debug insns.
8976         (next_nonnote_nondebug_insn): New.
8977         (distribute_notes): Use it.  Skip debug insns.
8978         (distribute_links): Skip debug insns.
8979         * tree-outof-ssa.c (set_location_for_edge): Likewise.
8980         * resource.c (mark_target_live_regs): Likewise.
8981         * var-tracking.c: Include cselib.h and target.h.
8982         (enum micro_operation_type): Add MO_VAL_USE, MO_VAL_LOC, and
8983         MO_VAL_SET.
8984         (micro_operation_type_name): New.
8985         (enum emit_note_where): Add EMIT_NOTE_AFTER_CALL_INSN.
8986         (struct micro_operation_def): Update comments.
8987         (decl_or_value): New type.  Use instead of decls.
8988         (struct emit_note_data_def): Add vars.
8989         (struct attrs_def): Use decl_or_value.
8990         (struct variable_tracking_info_def): Add permp, flooded.
8991         (struct location_chain_def): Update comment.
8992         (struct variable_part_def): Use decl_or_value.
8993         (struct variable_def): Make var_part a variable length array.
8994         (valvar_pool): New.
8995         (scratch_regs): New.
8996         (cselib_hook_called): New.
8997         (dv_is_decl_p): New.
8998         (dv_is_value_p): New.
8999         (dv_as_decl): New.
9000         (dv_as_value): New.
9001         (dv_as_opaque): New.
9002         (dv_onepart_p): New.
9003         (dv_pool): New.
9004         (IS_DECL_CODE): New.
9005         (check_value_is_not_decl): New.
9006         (dv_from_decl): New.
9007         (dv_from_value): New.
9008         (dv_htab_hash): New.
9009         (variable_htab_hash): Use it.
9010         (variable_htab_eq): Support values.
9011         (variable_htab_free): Free from the right pool.
9012         (attrs_list_member, attrs_list_insert): Use decl_or_value.
9013         (attrs_list_union): Adjust.
9014         (attrs_list_mpdv_union): New.
9015         (tie_break_pointers): New.
9016         (canon_value_cmp): New.
9017         (unshare_variable): Return possibly-modified slot.
9018         (vars_copy_1): Adjust.
9019         (var_reg_decl_set): Adjust.  Split out of...
9020         (var_reg_set): ... this.
9021         (get_init_value): Adjust.
9022         (var_reg_delete_and_set): Adjust.
9023         (var_reg_delete): Adjust.
9024         (var_regno_delete): Adjust.
9025         (var_mem_decl_set): Split out of...
9026         (var_mem_set): ... this.
9027         (var_mem_delete_and_set): Adjust.
9028         (var_mem_delete): Adjust.
9029         (val_store): New.
9030         (val_reset): New.
9031         (val_resolve): New.
9032         (variable_union): Adjust.  Speed up merge of 1-part vars.
9033         (variable_canonicalize): Use unshared slot.
9034         (VALUED_RECURSED_INTO): New.
9035         (find_loc_in_1pdv): New.
9036         (struct dfset_merge): New.
9037         (insert_into_intersection): New.
9038         (intersect_loc_chains): New.
9039         (loc_cmp): New.
9040         (canonicalize_loc_order_check): New.
9041         (canonicalize_values_mark): New.
9042         (canonicalize_values_star): New.
9043         (variable_merge_over_cur): New.
9044         (variable_merge_over_src): New.
9045         (dataflow_set_merge): New.
9046         (dataflow_set_equiv_regs): New.
9047         (remove_duplicate_values): New.
9048         (struct dfset_post_merge): New.
9049         (variable_post_merge_new_vals): New.
9050         (variable_post_merge_perm_vals): New.
9051         (dataflow_post_merge_adjust): New.
9052         (find_mem_expr_in_1pdv): New.
9053         (dataflow_set_preserve_mem_locs): New.
9054         (dataflow_set_remove_mem_locs): New.
9055         (dataflow_set_clear_at_call): New.
9056         (onepart_variable_different_p): New.
9057         (variable_different_p): Use it.
9058         (dataflow_set_different_1): Adjust.  Make detailed dump more verbose.
9059         (track_expr_p): Add need_rtl parameter.  Don't generate rtl
9060         if not needed.
9061         (track_loc_p): Pass it true.
9062         (struct count_use_info): New.
9063         (find_use_val): New.
9064         (replace_expr_with_values): New.
9065         (log_op_type): New.
9066         (use_type): New, partially split out of...
9067         (count_uses): ... this.  Count new micro-ops.
9068         (count_uses_1): Adjust.
9069         (count_stores): Adjust.
9070         (count_with_sets): New.
9071         (VAL_NEEDS_RESOLUTION): New.
9072         (VAL_HOLDS_TRACK_EXPR): New.
9073         (VAL_EXPR_IS_COPIED): New.
9074         (VAL_EXPR_IS_CLOBBERED): New.
9075         (add_uses): Adjust.  Generate new micro-ops.
9076         (add_uses_1): Adjust.
9077         (add_stores): Generate new micro-ops.
9078         (add_with_sets): New.
9079         (find_src_status): Adjust.
9080         (find_src_set_src): Adjust.
9081         (compute_bb_dataflow): Use dataflow_set_clear_at_call.
9082         Handle new micro-ops.  Canonicalize value equivalances.
9083         (vt_find_locations): Compute total size of hash tables for
9084         dumping.  Perform merge for var-tracking-assignments.  Don't
9085         disregard single-block loops.
9086         (dump_attrs_list): Handle decl_or_value.
9087         (dump_variable): Take variable.  Deal with decl_or_value.
9088         (dump_variable_slot): New.
9089         (dump_vars): Use it.
9090         (dump_dataflow_sets): Adjust.
9091         (set_slot_part): New, extended to support one-part variables
9092         after splitting out of...
9093         (set_variable_part): ... this.
9094         (clobber_slot_part): New, split out of...
9095         (clobber_variable_part): ... this.
9096         (delete_slot_part): New, split out of...
9097         (delete_variable_part): .... this.
9098         (check_wrap_constant): New.
9099         (vt_expand_loc_callback): New.
9100         (vt_expand_loc): New.
9101         (emit_note_insn_var_location): Adjust.  Handle values.  Handle
9102         EMIT_NOTE_AFTER_CALL_INSN.
9103         (emit_notes_for_differences_1): Adjust.  Handle values.
9104         (emit_notes_for_differences_2): Likewise.
9105         (emit_notes_for_differences): Adjust.
9106         (emit_notes_in_bb): Take pointer to set.  Emit AFTER_CALL_INSN notes.
9107         Adjust.  Handle new micro-ops.
9108         (vt_add_function_parameters): Adjust.  Create and bind values.
9109         (vt_initialize): Adjust.  Initialize scratch_regs and
9110         valvar_pool, flooded and perm..  Initialize and use cselib.  Log
9111         operations.  Move some code to count_with_sets and add_with_sets.
9112         (delete_debug_insns): New.
9113         (vt_debug_insns_local): New.
9114         (vt_finalize): Release permp, valvar_pool, scratch_regs.  Finish
9115         cselib.
9116         (var_tracking_main): If var-tracking-assignments is enabled
9117         but var-tracking isn't, delete debug insns and leave.  Likewise
9118         if we exceed limits or fail the stack adjustments tests, and
9119         after all var-tracking processing.
9120         More in var-tracking, from Jakub Jelinek <jakub@redhat.com>:
9121         (dataflow_set): Add traversed_vars.
9122         (value_chain, const_value_chain): New typedefs.
9123         (value_chain_pool, value_chains): New variables.
9124         (value_chain_htab_hash, value_chain_htab_eq, add_value_chain,
9125         add_value_chains, add_cselib_value_chains, remove_value_chain,
9126         remove_value_chains, remove_cselib_value_chains): New functions.
9127         (shared_hash_find_slot_unshare_1, shared_hash_find_slot_1,
9128         shared_hash_find_slot_noinsert_1, shared_hash_find_1): New
9129         static inlines.
9130         (shared_hash_find_slot_unshare, shared_hash_find_slot,
9131         shared_hash_find_slot_noinsert, shared_hash_find): Update.
9132         (dst_can_be_shared): New variable.
9133         (unshare_variable): Unshare set->vars if shared, use shared_hash_*.
9134         Clear dst_can_be_shared.  If set->traversed_vars is non-NULL and
9135         different from set->vars, look up slot again instead of using the
9136         passed in slot.
9137         (dataflow_set_init): Initialize traversed_vars.
9138         (variable_union): Use shared_hash_*.  Use initially NO_INSERT
9139         lookup if set->vars is shared.  Don't keep slot cleared before
9140         calling unshare_variable.  Unshare set->vars if needed.  Adjust
9141         unshare_variable callers.  Clear dst_can_be_shared if needed.
9142         Even ->refcount == 1 vars must be unshared if set->vars is shared
9143         and var needs to be modified.
9144         (dataflow_set_union): Set traversed_vars during canonicalization.
9145         (VALUE_CHANGED, DECL_CHANGED): Define.
9146         (set_dv_changed, dv_changed_p): New static inlines.
9147         (track_expr_p): Clear DECL_CHANGED.
9148         (dump_dataflow_sets): Set it.
9149         (variable_was_changed): Call set_dv_changed.
9150         (emit_note_insn_var_location): Likewise.
9151         (changed_variables_stack): New variable.
9152         (check_changed_vars_1, check_changed_vars_2): New functions.
9153         (emit_notes_for_changes): Do nothing if changed_variables is
9154         empty.  Traverse changed_variables with check_changed_vars_1,
9155         call check_changed_vars_2 on each changed_variables_stack entry.
9156         (emit_notes_in_bb): Add SET argument.  Just clear it at the
9157         beginning, use it instead of local &set, don't destroy it at the end.
9158         (vt_emit_notes): Call dataflow_set_clear early on all
9159         VTI(bb)->out sets, never use them, instead use emit_notes_in_bb
9160         computed set, dataflow_set_clear also VTI(bb)->in when we are
9161         done with the basic block.  Initialize changed_variables_stack,
9162         free it afterwards.  If ENABLE_CHECKING verify that after noting
9163         differences to an empty set value_chains hash table is empty.
9164         (vt_initialize): Initialize value_chains and value_chain_pool.
9165         (vt_finalize): Delete value_chains htab, free value_chain_pool.
9166         (variable_tracking_main): Call dump_dataflow_sets before calling
9167         vt_emit_notes, not after it.
9168         * tree-flow.h (propagate_defs_into_debug_stmts): Declare.
9169         (propagate_var_def_into_debug_stmts): Declare.
9170         * df-problems.c (df_lr_bb_local_compute): Skip debug insns.
9171         (df_set_note): Reject debug insns.
9172         (df_whole_mw_reg_dead_p): Take added_notes_p argument.  Don't
9173         add notes to debug insns.
9174         (df_note_bb_compute): Adjust.  Likewise.
9175         (df_simulate_uses): Skip debug insns.
9176         (df_simulate_initialize_backwards): Likewise.
9177         * reg-stack.c (subst_stack_regs_in_debug_insn): New.
9178         (subst_stack_regs_pat): Reject debug insns.
9179         (convert_regs_1): Handle debug insns.
9180         * Makefile.in (TREE_INLINE_H): Take pointer-set.h from GIMPLE_H.
9181         (print-rtl.o): Depend on cselib.h.
9182         (cselib.o): Depend on TREE_PASS_H.
9183         (var-tracking.o): Depend on cselib.h and TARGET_H.
9184         * sched-rgn.c (rgn_estimate_number_of_insns): Discount debug insns.
9185         (init_ready_list): Skip boundary debug insns.
9186         (add_branch_dependences): Skip debug insns.
9187         (free_block_dependencies): Check for blocks with only debug insns.
9188         (compute_priorities): Likewise.
9189         * gimple.c (gss_for_code): Handle GIMPLE_DEBUG.
9190         (gimple_build_with_ops_stat): Take subcode as unsigned.  Adjust
9191         all callers.
9192         (gimple_build_debug_bind_stat): New.
9193         (empty_body_p): Skip debug stmts.
9194         (gimple_has_side_effects): Likewise.
9195         (gimple_rhs_has_side_effects): Likewise.
9196         * gimple.h (enum gimple_debug_subcode, GIMPLE_DEBUG_BIND): New.
9197         (gimple_build_debug_bind_stat): Declare.
9198         (gimple_build_debug_bind): Define.
9199         (is_gimple_debug): New.
9200         (gimple_debug_bind_p): New.
9201         (gimple_debug_bind_get_var): New.
9202         (gimple_debug_bind_get_value): New.
9203         (gimple_debug_bind_get_value_ptr): New.
9204         (gimple_debug_bind_set_var): New.
9205         (gimple_debug_bind_set_value): New.
9206         (GIMPLE_DEBUG_BIND_NOVALUE): New internal temporary macro.
9207         (gimple_debug_bind_reset_value): New.
9208         (gimple_debug_bind_has_value_p): New.
9209         (gsi_next_nondebug): New.
9210         (gsi_prev_nondebug): New.
9211         (gsi_start_nondebug_bb): New.
9212         (gsi_last_nondebug_bb): New.
9213         * sched-vis.c (print_pattern): Handle VAR_LOCATION.
9214         (print_insn): Handle DEBUG_INSN.
9215         * tree-cfg.c (remove_bb): Walk stmts backwards.  Let loc
9216         of first insn prevail.
9217         (first_stmt): Skip debug stmts.
9218         (first_non_label_stmt): Likewise.
9219         (last_stmt): Likewise.
9220         (has_zero_uses_1): New.
9221         (single_imm_use_1): New.
9222         (verify_gimple_debug): New.
9223         (verify_types_in_gimple_stmt): Handle debug stmts.
9224         (verify_stmt): Likewise.
9225         (debug_loop_num): Skip debug stmts.
9226         (remove_edge_and_dominated_blocks): Remove dominators last.
9227         * tree-ssa-reasssoc.c (rewrite_expr_tree): Propagate into debug stmts.
9228         (linearize_expr): Likewise.
9229         * config/i386/i386.c (ix86_delegitimize_address): Call
9230         default implementation.
9231         * config/ia64/ia64.c (ia64_safe_itanium_class): Handle debug insns.
9232         (group_barrier_needed): Skip debug insns.
9233         (emit_insn_group_barriers): Likewise.
9234         (emit_all_insn_group_barriers): Likewise.
9235         (ia64_variable_issue): Handle debug insns.
9236         (ia64_dfa_new_cycle): Likewise.
9237         (final_emit_insn_group_barriers): Skip debug insns.
9238         (ia64_dwarf2out_def_steady_cfa): Take frame argument.  Don't
9239         def cfa without frame.
9240         (process_set): Likewise.
9241         (process_for_unwind_directive): Pass frame on.
9242         * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
9243         (rs6000_delegitimize_address): New.
9244         (rs6000_debug_adjust_cost): Handle debug insns.
9245         (is_microcoded_insn): Likewise.
9246         (is_cracked_insn): Likewise.
9247         (is_nonpipeline_insn): Likewise.
9248         (insn_must_be_first_in_group): Likewise.
9249         (insn_must_be_last_in_group): Likewise.
9250         (force_new_group): Likewise.
9251         * cfgrtl.c (rtl_split_block): Emit INSN_DELETED note if block
9252         contains only debug insns.
9253         (rtl_merge_blocks): Skip debug insns.
9254         (purge_dead_edges): Likewise.
9255         (rtl_block_ends_with_call_p): Skip debug insns.
9256         * dce.c (deletable_insn_p): Handle VAR_LOCATION.
9257         (mark_reg_dependencies): Skip debug insns.
9258         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): New.
9259         * tree-ssanames.c (release_ssa_name): Propagate def into debug stmts.
9260         * tree-ssa-threadedge.c
9261         (record_temporary_equivalences_from_stmts): Skip debug stmts.
9262         * regcprop.c (replace_oldest_value_addr): Skip debug insns.
9263         (replace_oldest_value_mem): Use ALL_REGS for debug insns.
9264         (copyprop_hardreg_forward_1): Handle debug insns.
9265         * reload1.c (reload): Skip debug insns.  Replace unassigned
9266         pseudos in debug insns with their equivalences.
9267         (eliminate_regs_in_insn): Skip debug insns.
9268         (emit_input_reload_insns): Skip debug insns at first, adjust
9269         them later.
9270         * tree-ssa-operands.c (add_virtual_operand): Reject debug stmts.
9271         (get_indirect_ref_operands): Pass opf_no_vops on.
9272         (get_expr_operands): Likewise.  Skip debug stmts.
9273         (parse_ssa_operands): Scan debug insns with opf_no_vops.
9274
9275 2009-09-01  Richard Henderson  <rth@redhat.com>
9276
9277         * tree-ssa-ccp.c (ccp_initialize): Make sure to simulate
9278         stmt_ends_pp_p statements at least once.
9279         * tree-vrp.c (vrp_initialize): Likewise.
9280         (vrp_visit_stmt): Be prepared for non-interesting stmts.
9281
9282 2009-09-01  Dodji Seketeli  <dodji@redhat.com>
9283
9284         PR bootstrap/41205
9285         Fix AIX bootstrap after PR debug/30161
9286         * dwarf2out.c (make_ith_pack_parameter_name): Don't used strnlen
9287         that is a GNU extension.
9288         (tmpl_value_parm_die_table): Move the definition of this global
9289         outside #ifdef DWARF2_DEBUGGING_INFO region.
9290
9291 2009-09-01  Richard Guenther  <rguenther@suse.de>
9292
9293         * tree.c (tree_expr_size): New function.
9294         * tree.h (tree_expr_size): Declare.
9295         * rtlanal.c (rtx_addr_can_trap_p_1): Adjust comment.
9296         * builtins.c (fold_builtin_memory_op): Use tree_expr_size.
9297         * langhooks.c (lhd_expr_size): Remove.
9298         * langhooks.h (struct lang_hooks): Remove expr_size.
9299         * explow.c (expr_size): Use tree_expr_size.
9300         (int_expr_size): Likewise.
9301         * langhooks-def.h (lhd_expr_size): Remove.
9302         (LANG_HOOKS_EXPR_SIZE): Likewise.
9303         (LANG_HOOKS_INITIALIZER): Adjust.
9304
9305 2009-09-01  Richard Guenther  <rguenther@suse.de>
9306
9307         * tree-flow.h (mark_addressable): Move declaration ...
9308         * tree.h (mark_addressable): ... here.
9309         * stmt.c (expand_asm_operands): Use mark_addressable, not
9310         lang_hooks.mark_addressable.
9311         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
9312         LANG_HOOKS_MARK_ADDRESSABLE.
9313         * langhooks.h (struct lang_hooks): Remove mark_addressable langhook.
9314         * c-objc-common.h (LANG_HOOKS_MARK_ADDRESSABLE): Remove.
9315
9316 2009-08-31  Chris Demetriou  <cgd@google.com>
9317
9318         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Never
9319         vectorize if not TARGET_SSE2.
9320
9321 2009-08-31  DJ Delorie  <dj@redhat.com>
9322
9323         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Exclude coprocessor
9324         registers if no coprocessor is enabled.
9325
9326 2009-08-31  Dodji Seketeli  <dodji@redhat.com>
9327
9328         PR debug/30161
9329         * cgraph.h (cgraph_get_node): Declare ...
9330         * cgraph.c (cgraph_get_node): ... new function.
9331         * dwarf2out.c (gen_generic_params_dies,
9332         generic_parameter_die, tree_add_const_value_attribute_for_decl,
9333         make_ith_pack_parameter_name,
9334         append_entry_to_tmpl_value_parm_die_table,
9335         gen_remaining_tmpl_value_param_die_attribute): New functions.
9336         (gen_subprogram_die): Generate debug info for template parameters
9337         if debug info level is higher than DINFO_LEVEL_TERSE.
9338         Use tree_add_const_value_attribute_for_decl instead of
9339         tree_add_const_value_attribute.
9340         (gen_const_die): Use tree_add_const_value_attribute_for_decl
9341         instead of tree_add_const_value_attribute.
9342         (gen_struct_or_union_type_die): Generate debug
9343         info for template parameters if debug info level is higher than
9344         DINFO_LEVEL_TERSE.
9345         (tree_add_const_value_attribute): Handle integral and pointer
9346         constants. Update comment.
9347         (dwarf_tag_name): Support DW_TAG_GNU_template_template_param.
9348         (dwarf_attr_name): Support DW_AT_GNU_template_name.
9349         (reference_to_unused): Fix thinko. Remove redundant predicates from
9350         tests.
9351         (tree_add_const_value_attribute): Make this work for constant
9352         expressions only.
9353         tree_add_const_value_attribute_for_decl is to be used for variable
9354         DECLs now.
9355         (add_location_or_const_value_attribute): Use
9356         tree_add_const_value_attribute_for_decl now.
9357         (dwarf2out_finish): Emit the DW_AT_const_value attribute of
9358         DW_TAG_template_value_param DIEs after function DIEs have been
9359         emitted.
9360         * langhooks.h (lang_hooks_for_types): Add
9361         get_argument_pack_elems.
9362         (lang_hooks_for_decls): Add generic_generic_parameter_decl_p.
9363         (lang_hooks): Added get_innermost_generic_parms,
9364         get_innermost_generic_args.
9365         * langhooks-def.h (LANG_HOOKS_GET_INNERMOST_GENERIC_PARMS,
9366         LANG_HOOKS_GET_INNERMOST_GENERIC_ARGS,
9367         LANG_HOOKS_GET_ARGUMENT_PACK_ELEMS,
9368         LANG_HOOKS_GENERIC_GENERIC_PARAMETER_DECL_P): New language hooks.
9369
9370 2009-08-31  DJ Delorie  <dj@redhat.com>
9371
9372         * config/mep/mep.c (machine_function): Add frame_locked flag.  Set
9373         it once we start generating the prologue or epilogue.
9374         (mep_call_saves_register): If the frame is locked, re-use
9375         cached values.
9376         (mep_assign_save_slots): New, broken out from mep_expand_prologue.
9377         (mep_expand_prologue): Call it.
9378         (mep_expand_epilogue): Likewise.
9379         (mep_start_function): Use the same logic as mep_expand_prologue.
9380         (mep_pass_by_reference): Make logic more readable.
9381         (mep_return_in_memory): Zero-sized objects are passed in memory.
9382         (mep_reorg_noframe): Make sure we have accurate REG_DEAD notes.
9383
9384 2009-08-31  Richard Guenther  <rguenther@suse.de>
9385
9386         * builtins.c (fold_builtin_memory_op): Use the alias oracle
9387         to query if the memory regions for memmove overlap.
9388         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Relax the
9389         asserts on pointers, instead deal with odd trees.
9390         (ptr_derefs_may_alias_p): Likewise.
9391         (refs_may_alias_p_1): Constructor bases also never alias.
9392
9393 2009-08-31  Gerald Pfeifer  <gerald@pfeifer.com>
9394
9395         * doc/install.texi (Final install): Adjust reference on where to
9396         order printed manuals.
9397
9398 2009-08-30  Olivier Hainque  <hainque@adacore.com>
9399
9400         * dwarf2out.c (switch_to_frame_table_section): Move
9401         definition prior to first use.
9402
9403 2009-08-30  Richard Guenther  <rguenther@suse.de>
9404
9405         PR tree-optimization/41186
9406         * tree-ssa-alias.c (ptr_deref_may_alias_ref_p): Remove.
9407         (ao_ref_init_from_ptr_and_size): New function.
9408         (ref_maybe_used_by_call_p_1): Be more precise tracking
9409         used ranges for builtin functions.
9410         (ref_maybe_used_by_call_p): Adjust.
9411         (call_may_clobber_ref_p_1): Be more precise tracking clobbered
9412         ranges for builtin functions.
9413         * tree-ssa-alias.h (ao_ref_init_from_ptr_and_size): Declare.
9414
9415 2009-08-30  Alan Modra  <amodra@bigpond.net.au>
9416
9417         PR target/41081
9418         * fwprop.c (get_reg_use_in): Delete.
9419         (free_load_extend): New function.
9420         (forward_propagate_subreg): Use it.
9421
9422 2009-08-29  Kaz Kojima  <kkojima@gcc.gnu.org>
9423
9424         * config.gcc (sh*-*-elf): Add superh stuff only for sh*-superh-elf.
9425
9426 2009-08-29  Kai Tietz<kai.tietz@onevision.com>
9427
9428         PR/41184
9429         * config/i386.c (ix86_expand_epilogue): Correct stack adjustment for
9430         padding.
9431
9432 2009-08-29  Douglas B Rupp  <rupp@gnat.com>
9433
9434         * crtstuff.c (__do_global_dtors_aux): Use atexit if no
9435         fini or fini_array section.
9436
9437 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9438
9439         * graphite-dependences.c (graphite_legal_transform_bb): Call
9440         pbb_remove_duplicate_pdrs.
9441         * graphite-poly.c (can_collapse_pdr): Removed.
9442         (pdr_find_duplicate): Removed.
9443         (can_collapse_pdrs): New.
9444         (pbb_remove_duplicate_pdrs): New.
9445         (new_poly_dr): Do not look for duplicates.
9446         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
9447         (PBB_PDR_DUPLICATES_REMOVED): New.
9448         (pbb_remove_duplicate_pdrs): Declared.
9449
9450 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9451
9452         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
9453         the strides by multiplying by PDR_NB_REFS.
9454         * graphite-poly.c (can_collapse_pdr): New.
9455         (pdr_find_duplicate): New.
9456         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
9457         Initialize PDR_NB_REFS.
9458         * graphite-poly.h (struct poly_dr): Add field nb_refs.
9459         (PDR_NB_REFS): New.
9460         (new_poly_dr): Number of subscripts is a graphite_dim_t.
9461
9462 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9463
9464         PR middle-end/40965
9465         * graphite-poly.c (apply_poly_transforms): Remove legality test before
9466         any transform.
9467
9468 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9469
9470         * graphite-dependences.c (pddr_original_scattering): Return NULL
9471         for read-read dependence relations.
9472         * graphite-poly.h (enum poly_dr_type): Fix comment.
9473         (pdr_read_p): New.
9474         (pdr_write_p): New.
9475         (pdr_may_write_p): New.
9476
9477 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9478
9479         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
9480         (struct poly_dr): Same.
9481         (new_poly_dr): Same.
9482         * graphite-poly.c (new_poly_dr): Same.
9483         * graphite-dependences.c (dot_deps): Disable call to system.
9484
9485 2009-08-28  Cary Coutant  <ccoutant@google.com>
9486
9487         PR debug/41063
9488         * dwarf2out.c (gen_type_die_with_usage): Use proper context for
9489         struct/union/enum types local to a function.
9490
9491 2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
9492             Sebastian Pop  <sebastian.pop@amd.com>
9493
9494         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
9495         pbb_strip_mine_time_depth.  Changed the implementation so that
9496         transformation is expressed as a transformation on
9497         time (scatttering) dimensions.  Also, ensures that the 2d+1
9498         scheduling format is preserved.
9499         (pbb_strip_mine_profitable_p): Profitability is based on the
9500         iteration number of a given time (scattering) dimension,
9501         and not on a original loop depth dimension.
9502         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
9503         (pbb_do_strip_mine): Call psct_dynamic_dim.
9504         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
9505         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
9506         (pbb_nb_dynamic_scattering_transform): New.
9507         (psct_dynamic_dim): New.
9508
9509 2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
9510
9511         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
9512         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
9513         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
9514         * graphite-interchange.c (build_linearized_memory_access): Same.
9515         (memory_stride_in_loop): Same.
9516
9517 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9518
9519         * graphite-dependences.c (pddr_original_scattering): New.
9520         (graphite_legal_transform_dr): Call pddr_original_scattering.
9521         (dot_deps_1): New.
9522         (dot_deps): New.
9523         * graphite-dependences.h (dot_deps): Declared.
9524         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
9525         (print_pdr): Print PDR_ID.
9526         * graphite-poly.h (struct poly_dr): Add field id.
9527         (PDR_ID): New.
9528         (pbb_index): New.
9529         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
9530
9531 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9532
9533         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
9534         not delete the original dependence relation.
9535
9536 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9537
9538         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
9539         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
9540         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
9541         (free_poly_ddr): New.
9542         (pddr_is_empty): New.
9543         (dependence_polyhedron_1): Now returns a poly_ddr_p.
9544         (dependence_polyhedron): Same.  Remove useless gcc_assert.
9545         Remove fprintfs.
9546         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
9547         (graphite_carried_dependence_level_k): Call pddr_is_empty.
9548         * graphite-dependences.h (enum poly_dependence_kind): New.
9549         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
9550         (PDRP_SOURCE): Renamed PDDR_SOURCE.
9551         (PDRP_SINK): Renamed PDDR_SINK.
9552         (PDRP_DDP): Renamed PDDR_DDP.
9553         (PDDR_KIND): New.
9554         (free_poly_ddr): Declared.
9555         * graphite-poly.c (new_scop): Use the new hash function names.
9556         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
9557         into original_pddrs.
9558         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
9559
9560 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9561
9562         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
9563         bounds with LT_EXPR to make niter analysis more precise on code
9564         generated by Graphite.
9565
9566 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9567
9568         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
9569         (graphite_legal_transform_bb): Same.
9570         (poly_drs_may_alias_p): Same.
9571
9572 2009-08-28  Richard Guenther  <rguenther@suse.de>
9573
9574         * tree.def: Remove note about obsolete TYPE_NONCOPIED_PARTS.
9575
9576 2009-08-28  Jan Beulich  <jbeulich@novell.com>
9577
9578         * config/i386/netware.c: Include langhooks.h.
9579         (i386_nlm_encode_section_info): Simplify.
9580         (netware_override_options): Delete.
9581         * config/i386/netware.h (netware_override_options): Delete
9582         declaration.
9583         (OVERRIDE_OPTIONS): Delete definition.
9584         (SUBTARGET_OVERRIDE_OPTIONS): Define.
9585         (ASM_COMMENT_START): Define.
9586         * config/i386/nwld.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Define.
9587
9588 2009-08-28  Jan Beulich  <jbeulich@novell.com>
9589
9590         * configure.ac: For in-tree ld, do a plain version check to
9591         determine whether comdat groups are supported.
9592         * configure: Regenerate.
9593
9594 2009-08-28  Olivier Hainque  <hainque@adacore.com>
9595
9596         * collect2.c (DO_COLLECT_EXPORT_LIST): New internal macro,
9597         always defined.  Reflect definition or absence of such for
9598         COLLECT_EXPORT_LIST.  Readability helper.
9599         (scanfilter): New enum, to help control what symbols
9600         are to be considered or ignored by scan_prog_file.
9601         (enum pass): Rename as "scanpass", moved together with scanfilter
9602         prior to scan_prog_file's prototype.
9603         (scan_prog_file): Accept and honor scanpass and scanfilter arguments.
9604         Group prototype with the scanpass/scanfilter definitions, factorize
9605         head comments for the several implementations at the prototype.
9606         (main): Reorganize the first pass link control to let AIX
9607         drag only the needed frame tables in executables.  Prevent
9608         frame tables collection during the scan aimed at static ctors.
9609         Pre-link and scan for frame tables later to compensate.
9610         * doc/tm.texi (ASM_OUTPUT_DWARF_TABLE_REF): New macro.
9611         A C statement to issue assembly directives that create a reference
9612         to the given DWARF table identifier label from the current function
9613         section.
9614         * dwarf2out.c (switch_to_eh_frame_section): Add a BACK argument
9615         to differentiate first time section entry.  Only emit a .data
9616         tables start identifier label the first time around.
9617         (switch_to_frame_table_section): New function.  Helper for
9618         output_call_frame_info to switch possibly BACK into the eh_frame
9619         or the debug_frame section depending on FOR_EH.
9620         (output_call_frame_info): Use helper to first enter the proper
9621         frame section.
9622         (output_fde): Use ASM_OUTPUT_DWARF_TABLE_REF when defined to
9623         emit a link to the frame table start label from each function
9624         section.
9625         * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
9626         New function.  Implementation of ASM_OUTPUT_DWARF_TABLE_REF.
9627         * config/rs6000/rs6000-protos.h: Declare it.
9628         * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Define.
9629
9630 2009-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
9631
9632         * config/sh/sh.c (split_branches): Check the result of
9633         next_active_insn.
9634
9635 2009-08-27  Steve Ellcey  <sje@cup.hp.com>
9636
9637         * config/ia64/hpux.h (LIB_SPEC): Add -lrt for when
9638         using -pthread -fopenmp
9639
9640 2009-08-27  Gerald Pfeifer  <gerald@pfeifer.com>
9641
9642         * doc/service.texi (service directory): Update URL.
9643
9644 2009-08-27  Uros Bizjak  <ubizjak@gmail.com>
9645
9646         PR rtl-optimization/40861
9647         * simplify-rtx.c (simplify_subreg): Do not call simplify_gen_subreg to
9648         extract word from a multi-word subreg for negative byte positions.
9649
9650 2009-08-27  Tristan Gingold  <gingold@adacore.com>
9651             Douglas B Rupp  <rupp@gnat.com>
9652
9653         * config/ia64/ia64.c (ia64_attribute_table): Add "common_object" entry.
9654         (SECTION_VMS_OVERLAY): Define.
9655         (ia64_vms_common_object_attribute): Added.  Handle the "common_object"
9656         attribute.
9657         (ia64_vms_elf_asm_named_section): Added.  Generate .section pseudo-op
9658         for common_object.
9659         (ia64_vms_output_aligned_decl_common): Added.  Generate pseudo-op for
9660         common_object declarations.
9661         (ia64_section_type_flags): Set section flag for common_object.
9662         * config/ia64/ia64-protos.h
9663         (ia64_vms_output_aligned_decl_common): Declare.
9664         (ia64_vms_elf_asm_named_section): Declare.
9665
9666 2009-08-27  Michael Matz  <matz@suse.de>
9667
9668         * expr.c (expand_expr_real_2): New function taking exploded
9669         unary or binary expression, split out from ...
9670         (expand_expr_real_1): ... here.  Move over all unary/binary
9671         switch parts to above function, in particular these codes:
9672         PAREN_EXPR, NOP_EXPR, CONVERT_EXPR, POINTER_PLUS_EXPR, PLUS_EXPR,
9673         MINUS_EXPR, MULT_EXPR, TRUNC_DIV_EXPR, FLOOR_DIV_EXPR, CEIL_DIV_EXPR,
9674         ROUND_DIV_EXPR, EXACT_DIV_EXPR, RDIV_EXPR, TRUNC_MOD_EXPR,
9675         FLOOR_MOD_EXPR, CEIL_MOD_EXPR, ROUND_MOD_EXPR, FIXED_CONVERT_EXPR,
9676         FIX_TRUNC_EXPR, FLOAT_EXPR, NEGATE_EXPR, ABS_EXPR, MAX_EXPR, MIN_EXPR,
9677         BIT_NOT_EXPR, TRUTH_AND_EXPR, BIT_AND_EXPR, TRUTH_OR_EXPR,
9678         BIT_IOR_EXPR, TRUTH_XOR_EXPR, BIT_XOR_EXPR, LROTATE_EXPR, RROTATE_EXPR,
9679         LSHIFT_EXPR, RSHIFT_EXPR, LT_EXPR, LE_EXPR, GT_EXPR, GE_EXPR, EQ_EXPR,
9680         NE_EXPR, UNORDERED_EXPR, ORDERED_EXPR, UNLT_EXPR, UNLE_EXPR, UNGT_EXPR,
9681         UNGE_EXPR, UNEQ_EXPR, LTGT_EXPR, TRUTH_NOT_EXPR, COMPLEX_EXPR,
9682         WIDEN_SUM_EXPR, REDUC_MAX_EXPR, REDUC_MIN_EXPR, REDUC_PLUS_EXPR,
9683         VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR, VEC_INTERLEAVE_HIGH_EXPR,
9684         VEC_INTERLEAVE_LOW_EXPR, VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR,
9685         VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR, VEC_UNPACK_FLOAT_HI_EXPR,
9686         VEC_UNPACK_FLOAT_LO_EXPR, VEC_WIDEN_MULT_HI_EXPR,
9687         VEC_WIDEN_MULT_LO_EXPR, VEC_PACK_TRUNC_EXPR, VEC_PACK_SAT_EXPR,
9688         VEC_PACK_FIX_TRUNC_EXPR.
9689         (<case PAREN_EXPR>): Call set_mem_attributes() with type, not the
9690         full expression.
9691
9692 2009-08-27  Richard Guenther  <rguenther@suse.de>
9693
9694         * gengtype.c (main): Handle uint64_t.
9695         * ipa-utils.c (get_base_var): Indent properly.
9696         * tree-ssa-live.c (debug_scope_block): New function.
9697         * tree-flow.h (debug_scope_block): Declare.
9698         * tree-ssa-copy.c (replace_exp_1): Add vertical space.
9699         * basic-block.h (enum profile_status): Rename to
9700         enum profile_status_d.
9701         (x_profile_status): Adjust type.
9702
9703 2009-08-27  Dodji Seketeli  <dodji@redhat.com>
9704
9705         PR debug/41170
9706         * dwarf2out.c (get_context_die): Declare this static function.
9707         (gen_type_die_with_usage): Make sure a DIE is a generated for
9708         the context of a typedef.
9709
9710 2009-08-26  Anatoly Sokolov  <aesok@post.ru>
9711
9712         * doc/invoke.texi (AVR Options): Remove documentation of -minit-stack
9713         switch.
9714
9715 2009-08-26  Richard Sandiford  <rdsandiford@googlemail.com>
9716
9717         * config/mips/mips-protos.h (mips_output_sync): Declare.
9718         (mips_sync_loop_insns): Likewise.
9719         (mips_output_sync_loop): Replace first two parameters with an rtx.
9720         * config/mips/mips.c (mips_multi_member): New structure.
9721         (mips_multi_members): New variable.
9722         (mips_multi_start): New function.
9723         (mips_multi_add): Likewise.
9724         (mips_multi_add_insn): Likewise.
9725         (mips_multi_add_label): Likewise.
9726         (mips_multi_last_index): Likewise.
9727         (mips_multi_copy_insn): Likewise.
9728         (mips_multi_set_operand): Likewise.
9729         (mips_multi_write): Likewise.
9730         (mips_print_operand_punctuation): Remove '%|' and '%-'.
9731         (mips_init_print_operand_punct): Update accordingly.
9732         (mips_start_ll_sc_sync_block): New function.
9733         (mips_end_ll_sc_sync_block): Likewise.
9734         (mips_output_sync): Likewise.
9735         (mips_sync_insn1_template): Likewise.
9736         (mips_sync_insn2_template): Likewise.
9737         (mips_get_sync_operand): Likewise.
9738         (mips_process_sync_loop): Likewise.
9739         (mips_output_sync_loop): Use mips_process_sync_loop.
9740         (mips_sync_loop_insns): New function.
9741         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Delete.
9742         (MIPS_COMPARE_AND_SWAP_12): Likewise.
9743         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP): Likewise.
9744         (MIPS_COMPARE_AND_SWAP_12_NONZERO_OP): Likewise.
9745         (MIPS_SYNC_OP, MIPS_SYNC_OP_12): Likewise.
9746         (MIPS_SYNC_OP_12_AND, MIPS_SYNC_OP_12_XOR): Likewise.
9747         (MIPS_SYNC_OLD_OP_12): Likewise.
9748         (MIPS_SYNC_OLD_OP_12_AND, MIPS_SYNC_OLD_OP_12_XOR): Likewise.
9749         (MIPS_SYNC_NEW_OP_12): Likewise.
9750         (MIPS_SYNC_NEW_OP_12_AND, MIPS_SYNC_NEW_OP_12_XOR): Likewise.
9751         (MIPS_SYNC_OLD_OP, MIPS_SYNC_NEW_OP): Likewise.
9752         (MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND): Likewise.
9753         (MIPS_SYNC_EXCHANGE, MIPS_SYNC_EXCHANGE_12): Likewise.
9754         (MIPS_SYNC_EXCHANGE_12_ZERO_OP): Likewise.
9755         (MIPS_SYNC_EXCHANGE_12_NONZER_OP): Likewise.
9756         * config/mips/mips.md (sync_mem): New attribute.
9757         (sync_oldval, sync_newval, sync_inclusive_mask): Likewise.
9758         (sync_exclusive_mask, sync_required_oldval): Likewise.
9759         (sync_insn1_op2, sync_insn1, sync_insn2): Likewise.
9760         (sync_release_barrier): Likewise.
9761         (length): Handle sync loops.
9762         (sync): Use mips_output_sync.
9763         * config/mips/sync.md (*memory_barrier): Use mips_output_sync.
9764         (sync_compare_and_swap<mode>): Set the new sync_* attributes
9765         and use mips_output_sync_loop.
9766         (compare_and_swap_12, sync_add<mode>, sync_<optab>_12): Likewise.
9767         (sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12): Likewise.
9768         (sync_old_nand_12, sync_new_nand_12, sync_sub<mode>): Likewise.
9769         (sync_old_add<mode>, sync_old_sub<mode>): Likewise.
9770         (sync_new_add<mode>, sync_new_sub<mode>): Likewise.
9771         (sync_<optab><mode>, sync_old_<optab><mode>): Likewise.
9772         (sync_new_<optab><mode>, sync_nand<mode>): Likewise.
9773         (sync_old_nand<mode>, sync_new_nand<mode>): Likewise.
9774         (sync_lock_test_and_set<mode>, test_and_set_12): Likewise.
9775
9776 2009-08-26  Richard Guenther  <rguenther@suse.de>
9777
9778         PR middle-end/41163
9779         * gimplify.c (gimplify_addr_expr): Canonicalize ADDR_EXPRs if
9780         the types to not match.
9781         * tree-cfg.c (verify_gimple_assign_single): Adjust ADDR_EXPR
9782         verification.
9783         * tree-ssa.c (useless_type_conversion_p): Conversions to
9784         pointers to unprototyped functions are useless.
9785
9786 2009-08-26  Richard Guenther  <rguenther@suse.de>
9787
9788         * tree-ssa-structalias.c (create_variable_info_for): Remove strange
9789         whole-program condition, prepare to be called for non-globals.
9790         (intra_create_variable_infos): For restrict qualified DECL_BY_REFERENCE
9791         params build a representative with known type and track its fields.
9792
9793 2009-08-26  Uros Bizjak  <ubizjak@gmail.com>
9794
9795         * config/alpha/sync.md: Update comment about unpredictable LL/SC lock
9796         clearing by a taken branch.
9797         (sync_<fetchop_name><mode>): Split when epilogue_completed is set,
9798         effectively after bbro pass.
9799         (sync_nand<mode>): Ditto.
9800         (sync_old_<fetchop_name><mode>): Ditto.
9801         (sync_old_nand<mode>): Ditto.
9802         (sync_new_<fetchop_name><mode>): Dito.
9803         (sync_new_nand<mode>): Ditto.
9804         (sync_compare_and_swap<mode>_1): Ditto.
9805         (*sync_compare_and_swap<mode>): Ditto.
9806         (sync_lock_test_and_set<mode>_1): Ditto.
9807         ("sync_lock_test_and_set<mode>): Ditto.
9808
9809 2009-08-25  Douglas B Rupp  <rupp@gnat.com>
9810
9811         * hwint.h (HOST_LONG_FORMAT): New macro
9812         * bitmap.c, c-decl.c, mips-tfile.c, print-rtl.c, print-tree.c:
9813         Use HOST_PTR_PRINTF.
9814         * system.h (HOST_PTR_PRINTF): Resurrect old macro
9815         * doc/hostconfig.texi (HOST_LONG_FORMAT): Document.
9816         (HOST_PTR_PRINTF): Document.
9817
9818 2009-08-25 Jan Hubicka  <jh@suse.cz>
9819
9820         * config/i386/bmmintrin.h: Replace by #error.
9821
9822         Revert:
9823         Michael Meissner  <michael.meissner@amd.com>
9824         Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
9825         Tony Linthicum  <tony.linthicum@amd.com>
9826
9827         * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
9828         (TARGET_ROUND): New macro for the round/ptest instructions which
9829         are shared between SSE4.1 and SSE5.
9830         (OPTION_MASK_ISA_ROUND): Ditto.
9831         (OPTION_ISA_ROUND): Ditto.
9832         (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
9833         (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.
9834
9835         * config/i386/i386.opt (-msse5): New switch for SSE5 support.
9836         (-mfused-madd): New switch to give users control over whether the
9837         compiler optimizes to use the multiply/add SSE5 instructions.
9838
9839         * config/i386/i386.c (enum pta_flags): Add PTA_SSE5.
9840         (ix86_handle_option): Turn off 3dnow if -msse5.
9841         (override_options): Add SSE5 support.
9842         (print_operand): %Y prints comparison codes for SSE5 com/pcom
9843         instructions.
9844         (ix86_expand_sse_movcc): Add SSE5 support.
9845         (ix86_expand_sse5_unpack): New function to use pperm to unpack a
9846         vector type to the next largest size.
9847         (ix86_expand_sse5_pack): New function to use pperm to pack a
9848         vector type to the next smallest size.
9849         (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
9850         (IX86_BUILTIN_FMADDSD): Ditto.
9851         (IX86_BUILTIN_FMADDPS): Ditto.
9852         (IX86_BUILTIN_FMADDPD): Ditto.
9853         (IX86_BUILTIN_FMSUBSS): Ditto.
9854         (IX86_BUILTIN_FMSUBSD): Ditto.
9855         (IX86_BUILTIN_FMSUBPS): Ditto.
9856         (IX86_BUILTIN_FMSUBPD): Ditto.
9857         (IX86_BUILTIN_FNMADDSS): Ditto.
9858         (IX86_BUILTIN_FNMADDSD): Ditto.
9859         (IX86_BUILTIN_FNMADDPS): Ditto.
9860         (IX86_BUILTIN_FNMADDPD): Ditto.
9861         (IX86_BUILTIN_FNMSUBSS): Ditto.
9862         (IX86_BUILTIN_FNMSUBSD): Ditto.
9863         (IX86_BUILTIN_FNMSUBPS): Ditto.
9864         (IX86_BUILTIN_FNMSUBPD): Ditto.
9865         (IX86_BUILTIN_PCMOV_V2DI): Ditto.
9866         (IX86_BUILTIN_PCMOV_V4SI): Ditto.
9867         (IX86_BUILTIN_PCMOV_V8HI): Ditto.
9868         (IX86_BUILTIN_PCMOV_V16QI): Ditto.
9869         (IX86_BUILTIN_PCMOV_V4SF): Ditto.
9870         (IX86_BUILTIN_PCMOV_V2DF): Ditto.
9871         (IX86_BUILTIN_PPERM): Ditto.
9872         (IX86_BUILTIN_PERMPS): Ditto.
9873         (IX86_BUILTIN_PERMPD): Ditto.
9874         (IX86_BUILTIN_PMACSSWW): Ditto.
9875         (IX86_BUILTIN_PMACSWW): Ditto.
9876         (IX86_BUILTIN_PMACSSWD): Ditto.
9877         (IX86_BUILTIN_PMACSWD): Ditto.
9878         (IX86_BUILTIN_PMACSSDD): Ditto.
9879         (IX86_BUILTIN_PMACSDD): Ditto.
9880         (IX86_BUILTIN_PMACSSDQL): Ditto.
9881         (IX86_BUILTIN_PMACSSDQH): Ditto.
9882         (IX86_BUILTIN_PMACSDQL): Ditto.
9883         (IX86_BUILTIN_PMACSDQH): Ditto.
9884         (IX86_BUILTIN_PMADCSSWD): Ditto.
9885         (IX86_BUILTIN_PMADCSWD): Ditto.
9886         (IX86_BUILTIN_PHADDBW): Ditto.
9887         (IX86_BUILTIN_PHADDBD): Ditto.
9888         (IX86_BUILTIN_PHADDBQ): Ditto.
9889         (IX86_BUILTIN_PHADDWD): Ditto.
9890         (IX86_BUILTIN_PHADDWQ): Ditto.
9891         (IX86_BUILTIN_PHADDDQ): Ditto.
9892         (IX86_BUILTIN_PHADDUBW): Ditto.
9893         (IX86_BUILTIN_PHADDUBD): Ditto.
9894         (IX86_BUILTIN_PHADDUBQ): Ditto.
9895         (IX86_BUILTIN_PHADDUWD): Ditto.
9896         (IX86_BUILTIN_PHADDUWQ): Ditto.
9897         (IX86_BUILTIN_PHADDUDQ): Ditto.
9898         (IX86_BUILTIN_PHSUBBW): Ditto.
9899         (IX86_BUILTIN_PHSUBWD): Ditto.
9900         (IX86_BUILTIN_PHSUBDQ): Ditto.
9901         (IX86_BUILTIN_PROTB): Ditto.
9902         (IX86_BUILTIN_PROTW): Ditto.
9903         (IX86_BUILTIN_PROTD): Ditto.
9904         (IX86_BUILTIN_PROTQ): Ditto.
9905         (IX86_BUILTIN_PROTB_IMM): Ditto.
9906         (IX86_BUILTIN_PROTW_IMM): Ditto.
9907         (IX86_BUILTIN_PROTD_IMM): Ditto.
9908         (IX86_BUILTIN_PROTQ_IMM): Ditto.
9909         (IX86_BUILTIN_PSHLB): Ditto.
9910         (IX86_BUILTIN_PSHLW): Ditto.
9911         (IX86_BUILTIN_PSHLD): Ditto.
9912         (IX86_BUILTIN_PSHLQ): Ditto.
9913         (IX86_BUILTIN_PSHAB): Ditto.
9914         (IX86_BUILTIN_PSHAW): Ditto.
9915         (IX86_BUILTIN_PSHAD): Ditto.
9916         (IX86_BUILTIN_PSHAQ): Ditto.
9917         (IX86_BUILTIN_FRCZSS): Ditto.
9918         (IX86_BUILTIN_FRCZSD): Ditto.
9919         (IX86_BUILTIN_FRCZPS): Ditto.
9920         (IX86_BUILTIN_FRCZPD): Ditto.
9921         (IX86_BUILTIN_CVTPH2PS): Ditto.
9922         (IX86_BUILTIN_CVTPS2PH): Ditto.
9923         (IX86_BUILTIN_COMEQSS): Ditto.
9924         (IX86_BUILTIN_COMNESS): Ditto.
9925         (IX86_BUILTIN_COMLTSS): Ditto.
9926         (IX86_BUILTIN_COMLESS): Ditto.
9927         (IX86_BUILTIN_COMGTSS): Ditto.
9928         (IX86_BUILTIN_COMGESS): Ditto.
9929         (IX86_BUILTIN_COMUEQSS): Ditto.
9930         (IX86_BUILTIN_COMUNESS): Ditto.
9931         (IX86_BUILTIN_COMULTSS): Ditto.
9932         (IX86_BUILTIN_COMULESS): Ditto.
9933         (IX86_BUILTIN_COMUGTSS): Ditto.
9934         (IX86_BUILTIN_COMUGESS): Ditto.
9935         (IX86_BUILTIN_COMORDSS): Ditto.
9936         (IX86_BUILTIN_COMUNORDSS): Ditto.
9937         (IX86_BUILTIN_COMFALSESS): Ditto.
9938         (IX86_BUILTIN_COMTRUESS): Ditto.
9939         (IX86_BUILTIN_COMEQSD): Ditto.
9940         (IX86_BUILTIN_COMNESD): Ditto.
9941         (IX86_BUILTIN_COMLTSD): Ditto.
9942         (IX86_BUILTIN_COMLESD): Ditto.
9943         (IX86_BUILTIN_COMGTSD): Ditto.
9944         (IX86_BUILTIN_COMGESD): Ditto.
9945         (IX86_BUILTIN_COMUEQSD): Ditto.
9946         (IX86_BUILTIN_COMUNESD): Ditto.
9947         (IX86_BUILTIN_COMULTSD): Ditto.
9948         (IX86_BUILTIN_COMULESD): Ditto.
9949         (IX86_BUILTIN_COMUGTSD): Ditto.
9950         (IX86_BUILTIN_COMUGESD): Ditto.
9951         (IX86_BUILTIN_COMORDSD): Ditto.
9952         (IX86_BUILTIN_COMUNORDSD): Ditto.
9953         (IX86_BUILTIN_COMFALSESD): Ditto.
9954         (IX86_BUILTIN_COMTRUESD): Ditto.
9955         (IX86_BUILTIN_COMEQPS): Ditto.
9956         (IX86_BUILTIN_COMNEPS): Ditto.
9957         (IX86_BUILTIN_COMLTPS): Ditto.
9958         (IX86_BUILTIN_COMLEPS): Ditto.
9959         (IX86_BUILTIN_COMGTPS): Ditto.
9960         (IX86_BUILTIN_COMGEPS): Ditto.
9961         (IX86_BUILTIN_COMUEQPS): Ditto.
9962         (IX86_BUILTIN_COMUNEPS): Ditto.
9963         (IX86_BUILTIN_COMULTPS): Ditto.
9964         (IX86_BUILTIN_COMULEPS): Ditto.
9965         (IX86_BUILTIN_COMUGTPS): Ditto.
9966         (IX86_BUILTIN_COMUGEPS): Ditto.
9967         (IX86_BUILTIN_COMORDPS): Ditto.
9968         (IX86_BUILTIN_COMUNORDPS): Ditto.
9969         (IX86_BUILTIN_COMFALSEPS): Ditto.
9970         (IX86_BUILTIN_COMTRUEPS): Ditto.
9971         (IX86_BUILTIN_COMEQPD): Ditto.
9972         (IX86_BUILTIN_COMNEPD): Ditto.
9973         (IX86_BUILTIN_COMLTPD): Ditto.
9974         (IX86_BUILTIN_COMLEPD): Ditto.
9975         (IX86_BUILTIN_COMGTPD): Ditto.
9976         (IX86_BUILTIN_COMGEPD): Ditto.
9977         (IX86_BUILTIN_COMUEQPD): Ditto.
9978         (IX86_BUILTIN_COMUNEPD): Ditto.
9979         (IX86_BUILTIN_COMULTPD): Ditto.
9980         (IX86_BUILTIN_COMULEPD): Ditto.
9981         (IX86_BUILTIN_COMUGTPD): Ditto.
9982         (IX86_BUILTIN_COMUGEPD): Ditto.
9983         (IX86_BUILTIN_COMORDPD): Ditto.
9984         (IX86_BUILTIN_COMUNORDPD): Ditto.
9985         (IX86_BUILTIN_COMFALSEPD): Ditto.
9986         (IX86_BUILTIN_COMTRUEPD): Ditto.
9987         (IX86_BUILTIN_PCOMEQUB): Ditto.
9988         (IX86_BUILTIN_PCOMNEUB): Ditto.
9989         (IX86_BUILTIN_PCOMLTUB): Ditto.
9990         (IX86_BUILTIN_PCOMLEUB): Ditto.
9991         (IX86_BUILTIN_PCOMGTUB): Ditto.
9992         (IX86_BUILTIN_PCOMGEUB): Ditto.
9993         (IX86_BUILTIN_PCOMFALSEUB): Ditto.
9994         (IX86_BUILTIN_PCOMTRUEUB): Ditto.
9995         (IX86_BUILTIN_PCOMEQUW): Ditto.
9996         (IX86_BUILTIN_PCOMNEUW): Ditto.
9997         (IX86_BUILTIN_PCOMLTUW): Ditto.
9998         (IX86_BUILTIN_PCOMLEUW): Ditto.
9999         (IX86_BUILTIN_PCOMGTUW): Ditto.
10000         (IX86_BUILTIN_PCOMGEUW): Ditto.
10001         (IX86_BUILTIN_PCOMFALSEUW): Ditto.
10002         (IX86_BUILTIN_PCOMTRUEUW): Ditto.
10003         (IX86_BUILTIN_PCOMEQUD): Ditto.
10004         (IX86_BUILTIN_PCOMNEUD): Ditto.
10005         (IX86_BUILTIN_PCOMLTUD): Ditto.
10006         (IX86_BUILTIN_PCOMLEUD): Ditto.
10007         (IX86_BUILTIN_PCOMGTUD): Ditto.
10008         (IX86_BUILTIN_PCOMGEUD): Ditto.
10009         (IX86_BUILTIN_PCOMFALSEUD): Ditto.
10010         (IX86_BUILTIN_PCOMTRUEUD): Ditto.
10011         (IX86_BUILTIN_PCOMEQUQ): Ditto.
10012         (IX86_BUILTIN_PCOMNEUQ): Ditto.
10013         (IX86_BUILTIN_PCOMLTUQ): Ditto.
10014         (IX86_BUILTIN_PCOMLEUQ): Ditto.
10015         (IX86_BUILTIN_PCOMGTUQ): Ditto.
10016         (IX86_BUILTIN_PCOMGEUQ): Ditto.
10017         (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
10018         (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
10019         (IX86_BUILTIN_PCOMEQB): Ditto.
10020         (IX86_BUILTIN_PCOMNEB): Ditto.
10021         (IX86_BUILTIN_PCOMLTB): Ditto.
10022         (IX86_BUILTIN_PCOMLEB): Ditto.
10023         (IX86_BUILTIN_PCOMGTB): Ditto.
10024         (IX86_BUILTIN_PCOMGEB): Ditto.
10025         (IX86_BUILTIN_PCOMFALSEB): Ditto.
10026         (IX86_BUILTIN_PCOMTRUEB): Ditto.
10027         (IX86_BUILTIN_PCOMEQW): Ditto.
10028         (IX86_BUILTIN_PCOMNEW): Ditto.
10029         (IX86_BUILTIN_PCOMLTW): Ditto.
10030         (IX86_BUILTIN_PCOMLEW): Ditto.
10031         (IX86_BUILTIN_PCOMGTW): Ditto.
10032         (IX86_BUILTIN_PCOMGEW): Ditto.
10033         (IX86_BUILTIN_PCOMFALSEW): Ditto.
10034         (IX86_BUILTIN_PCOMTRUEW): Ditto.
10035         (IX86_BUILTIN_PCOMEQD): Ditto.
10036         (IX86_BUILTIN_PCOMNED): Ditto.
10037         (IX86_BUILTIN_PCOMLTD): Ditto.
10038         (IX86_BUILTIN_PCOMLED): Ditto.
10039         (IX86_BUILTIN_PCOMGTD): Ditto.
10040         (IX86_BUILTIN_PCOMGED): Ditto.
10041         (IX86_BUILTIN_PCOMFALSED): Ditto.
10042         (IX86_BUILTIN_PCOMTRUED): Ditto.
10043         (IX86_BUILTIN_PCOMEQQ): Ditto.
10044         (IX86_BUILTIN_PCOMNEQ): Ditto.
10045         (IX86_BUILTIN_PCOMLTQ): Ditto.
10046         (IX86_BUILTIN_PCOMLEQ): Ditto.
10047         (IX86_BUILTIN_PCOMGTQ): Ditto.
10048         (IX86_BUILTIN_PCOMGEQ): Ditto.
10049         (IX86_BUILTIN_PCOMFALSEQ): Ditto.
10050         (IX86_BUILTIN_PCOMTRUEQ): Ditto.
10051         (enum multi_arg_type): New enum for describing the various SSE5
10052         intrinsic argument types.
10053         (bdesc_multi_arg): New table for SSE5 intrinsics.
10054         (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
10055         (ix86_expand_multi_arg_builtin): New function for creating SSE5
10056         intrinsics.
10057         (ix86_expand_builtin): Add SSE5 intrinsic support.
10058         (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
10059         operand instructions.
10060         (ix86_expand_sse5_multiple_memory): New function to split the
10061         second memory reference from SSE5 instructions.
10062         (type_has_variadic_args_p): Delete in favor of stdarg_p.
10063         (ix86_return_pops_args): Use stdarg_p to determine if the function
10064         has variable arguments.
10065         (ix86_setup_incoming_varargs): Ditto.
10066         (x86_this_parameter): Ditto.
10067
10068         * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
10069         declaration.
10070         (ix86_expand_sse5_pack): Ditto.
10071         (ix86_sse5_valid_op_p): Ditto.
10072         (ix86_expand_sse5_multiple_memory): Ditto.
10073
10074         * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
10075         constant for SSE5 support.
10076         (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
10077         (UNSPEC_SSE5_TRUEFALSE): Ditto.
10078         (UNSPEC_SSE5_PERMUTE): Ditto.
10079         (UNSPEC_SSE5_ASHIFT): Ditto.
10080         (UNSPEC_SSE5_LSHIFT): Ditto.
10081         (UNSPEC_FRCZ): Ditto.
10082         (UNSPEC_CVTPH2PS): Ditto.
10083         (UNSPEC_CVTPS2PH): Ditto.
10084         (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
10085         (PCOM_TRUE): Ditto.
10086         (COM_FALSE_S): Ditto.
10087         (COM_FALSE_P): Ditto.
10088         (COM_TRUE_S): Ditto.
10089         (COM_TRUE_P): Ditto.
10090         (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
10091         (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
10092         types.
10093         (memory attribute): Ditto.
10094         (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
10095         Use SSE4_1_ROUND_* constants instead of hard coded numbers.
10096         (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
10097         (floor<mode>2): Ditto.
10098         (ceil<mode>2): Ditto.
10099         (btrunc<mode>2): Ditto.
10100         (nearbyintdf2): Ditto.
10101         (nearbyintsf2): Ditto.
10102         (sse_setccsf): Disable if SSE5.
10103         (sse_setccdf): Ditto.
10104         (sse5_setcc<mode>): New support for SSE5 conditional move.
10105         (sse5_pcmov_<mode>): Ditto.
10106
10107         * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
10108         (SSEMODEF4): Ditto.
10109         (SSEMODEF2P): Ditto.
10110         (ssemodesuffixf4): New mode attribute for SSE5.
10111         (ssemodesuffixf2s): Ditto.
10112         (ssemodesuffixf2c): Ditto.
10113         (sserotatemax): Ditto.
10114         (ssescalarmode): Ditto.
10115         (sse_maskcmpv4sf3): Disable if SSE5.
10116         (sse_maskcmpv2df3): Ditto.
10117         (sse_vmmaskcmpv4sf3): Ditto.
10118         (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add instructions.
10119         (sse5_vmfmadd<mode>4): Ditto.
10120         (sse5_fmsub<mode>4): Ditto.
10121         (sse5_vmfmsub<mode>4): Ditto.
10122         (sse5_fnmadd<mode>4): Ditto.
10123         (sse5_vmfnmadd<mode>4): Ditto.
10124         (sse5_fnmsub<mode>4): Ditto.
10125         (sse5_vmfnmsub<mode>4): Ditto.
10126         (sse5i_fmadd<mode>4): Ditto.
10127         (sse5i_fmsub<mode>4): Ditto.
10128         (sse5i_fnmadd<mode>4): Ditto.
10129         (sse5i_fnmsub<mode>4): Ditto.
10130         (sse5i_vmfmadd<mode>4): Ditto.
10131         (sse5i_vmfmsub<mode>4): Ditto.
10132         (sse5i_vmfnmadd<mode>4): Ditto.
10133         (sse5i_vmfnmsub<mode>4): Ditto.
10134         (mulv16qi3): Add SSE5 support.
10135         (mulv4si3): Ditto.
10136         (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
10137         (sse2_mulv4si3): Disable if SSE5.
10138         (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
10139         (sse4_1_roundps): Ditto.
10140         (sse4_1_roundsd): Ditto.
10141         (sse4_1_roundss): Ditto.
10142         (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
10143         be generated.
10144         (sse_maskcmpsf3): Ditto.
10145         (sse_vmmaskcmpv4sf3): Ditto.
10146         (sse2_maskcmpv2df3): Ditto.
10147         (sse2_maskcmpdf3): Ditto.
10148         (sse2_vmmaskcmpv2df3): Ditto.
10149         (sse2_eq<mode>3): Ditto.
10150         (sse2_gt<mode>3): Ditto.
10151         (sse5_pcmov_<mode>): Add SSE5 support.
10152         (vec_unpacku_hi_v16qi): Ditto.
10153         (vec_unpacks_hi_v16qi): Ditto.
10154         (vec_unpacku_lo_v16qi): Ditto.
10155         (vec_unpacks_lo_v16qi): Ditto.
10156         (vec_unpacku_hi_v8hi): Ditto.
10157         (vec_unpacks_hi_v8hi): Ditto.
10158         (vec_unpacku_lo_v8hi): Ditto.
10159         (vec_unpacks_lo_v8hi): Ditto.
10160         (vec_unpacku_hi_v4si): Ditto.
10161         (vec_unpacks_hi_v4si): Ditto.
10162         (vec_unpacku_lo_v4si): Ditto.
10163         (vec_unpacks_lo_v4si): Ditto.
10164         (sse5_pmacsww): New SSE5 intrinsic insn.
10165         (sse5_pmacssww): Ditto.
10166         (sse5_pmacsdd): Ditto.
10167         (sse5_pmacssdd): Ditto.
10168         (sse5_pmacssdql): Ditto.
10169         (sse5_pmacssdqh): Ditto.
10170         (sse5_pmacsdqh): Ditto.
10171         (sse5_pmacsswd): Ditto.
10172         (sse5_pmacswd): Ditto.
10173         (sse5_pmadcsswd): Ditto.
10174         (sse5_pmadcswd): Ditto.
10175         (sse5_pcmov_<move>): Conditional move support on SSE5.
10176         (sse5_phaddbw): New SSE5 intrinsic insn.
10177         (sse5_phaddbd): Ditto.
10178         (sse5_phaddbq): Ditto.
10179         (sse5_phaddwd): Ditto.
10180         (sse5_phaddwq): Ditto.
10181         (sse5_phadddq): Ditto.
10182         (sse5_phaddubw): Ditto.
10183         (sse5_phaddubd): Ditto.
10184         (sse5_phaddubq): Ditto.
10185         (sse5_phadduwd): Ditto.
10186         (sse5_phadduwq): Ditto.
10187         (sse5_phaddudq): Ditto.
10188         (sse5_phsubbw): Ditto.
10189         (sse5_phsubwd): Ditto.
10190         (sse5_phsubdq): Ditto.
10191         (sse5_pperm): Ditto.
10192         (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
10193         (sse5_pperm_zero_v16qi_v8hi): Ditto.
10194         (sse5_pperm_sign_v8hi_v4si): Ditto.
10195         (sse5_pperm_zero_v8hi_v4si): Ditto.
10196         (sse5_pperm_sign_v4si_v2di): Ditto.
10197         (sse5_pperm_sign_v4si_v2di): Ditto.
10198         (sse5_pperm_pack_v2di_v4si): Ditto.
10199         (sse5_pperm_pack_v4si_v8hi): Ditto.
10200         (sse5_pperm_pack_v8hi_v16qi): Ditto.
10201         (sse5_perm<mode>): New SSE5 intrinsic insn.
10202         (rotl<mode>3): Ditto.
10203         (sse5_rotl<mode>3): Ditto.
10204         (sse5_ashl<mode>3): Ditto.
10205         (sse5_lshl<mode>3): Ditto.
10206         (sse5_frcz<mode>2): Ditto.
10207         (sse5s_frcz<mode>2): Ditto.
10208         (sse5_cvtph2ps): Ditto.
10209         (sse5_cvtps2ph): Ditto.
10210         (sse5_vmmaskcmp<mode>3): Ditto.
10211         (sse5_com_tf<mode>3): Ditto.
10212         (sse5_maskcmp<mode>3): Ditto.
10213         (sse5_maskcmp_uns<mode>3): Ditto.
10214         (sse5_maskcmp_uns2<mode>3): Ditto.
10215         (sse5_pcom_tf<mode>3): Ditto.
10216
10217         * config/i386/predicates.md (sse5_comparison_float_operator):
10218         New predicate to match the comparison operators supported by
10219         the SSE5 com instruction.
10220         (ix86_comparison_int_operator): New predicate to match just the
10221         signed int comparisons.
10222         (ix86_comparison_uns_operator): New predicate to match just the
10223         unsigned int comparisons.
10224
10225         * doc/invoke.texi (-msse5): Add documentation.
10226         (-mfused-madd): Ditto.
10227
10228         * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.
10229
10230         * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
10231         mmintrin-common.h.
10232         (x86_64-*-*): Ditto.
10233
10234         * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.
10235
10236         * config/i386/bmmintrin.h: New file, provide common x86 compiler
10237         intrinisics for SSE5.
10238
10239         * config/i386/smmintrin.h: Move instructions shared with SSE5 to
10240         mmintrin-common.h.
10241
10242         * config/i386/mmintrin-common.h: New file, to contain common
10243         instructions between SSE4.1 and SSE5.
10244
10245         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
10246         FOREACH_FUNCTION_ARGS to iterate over the argument list.
10247         (gen_regparm_prefix): Ditto.
10248
10249         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
10250         FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
10251         prototype_p to determine if a function is prototyped.
10252
10253 2009-08-25 Ville Voutilainen <ville.voutilainen@gmail.com>
10254
10255         * c-common.c (c_common_reswords) add the alignof keyword,
10256         with same RID as __alignof and __alignof__
10257
10258 2009-08-25  Anatoly Sokolov  <aesok@post.ru>
10259
10260         * hooks.h (hook_bool_const_int_const_int_true): Declare.
10261         * hooks.c (hook_bool_const_int_const_int_true): New function.
10262         * target.h (struct gcc_target): Add can_eliminate field.
10263         * target-def.h (TARGET_CAN_ELIMINATE): Define.
10264         (TARGET_INITIALIZER): Use TARGET_CAN_ELIMINATE.
10265         * ira.c (setup_eliminable_regset): Use can_eliminate target hook.
10266         * reload1.c (update_eliminables, init_elim_table): (Ditto.).
10267         (elim_table): Revise comment.
10268         * system.h (CAN_ELIMINATE): Poison.
10269         * defaults.h (CAN_ELIMINATE): Remove.
10270         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
10271
10272         * config/alpha/vms.h (CAN_ELIMINATE): Remove macro.
10273         * config/alpha/alpha.c (TARGET_CAN_ELIMINATE) [TARGET_ABI_OPEN_VMS]:
10274         Define macro.
10275         (alpha_vms_can_eliminate): Declare as static, change return type to
10276         bool.
10277         * config/alpha/alpha-protos.h (alpha_vms_can_eliminate): Remove.
10278
10279         * config/arm/arm.h (CAN_ELIMINATE): Remove macro.
10280         * config/arm/arm.c (TARGET_CAN_ELIMINATE): Define macro.
10281         (arm_can_eliminate): New function.
10282
10283         * config/avr/avr.h (CAN_ELIMINATE): Remove macro.
10284         * config/avr/avr.c (TARGET_CAN_ELIMINATE): Define macro.
10285         (avr_can_eliminate): Declare as static.
10286         * config/avr/avr-protos.h (avr_can_eliminate): Remove.
10287
10288         * config/bfin/bfin.h (CAN_ELIMINATE): Remove macro.
10289         * config/bfin/bfin.c (TARGET_CAN_ELIMINATE): Define macro.
10290         (bfin_can_eliminate): New function.
10291
10292         * config/crx/crx.h (CAN_ELIMINATE): Remove macro.
10293         * config/crx/crx.c (TARGET_CAN_ELIMINATE): Define macro.
10294         (crx_can_eliminate): New function.
10295
10296         * config/fr30/fr30.h (CAN_ELIMINATE): Remove macro.
10297         * config/fr30/fr30.c (TARGET_CAN_ELIMINATE): Define macro.
10298         (fr30_can_eliminate): New function.
10299
10300         * config/frv/frv.h (CAN_ELIMINATE): Remove macro.
10301         * config/frv/frv.c (TARGET_CAN_ELIMINATE): Define macro.
10302         (frv_can_eliminate): New function.
10303
10304         * config/h8300/h8300.h (CAN_ELIMINATE): Remove macro.
10305         * config/h8300/h8300.c (TARGET_CAN_ELIMINATE): Define macro.
10306         (h8300_can_eliminate): New function.
10307
10308         * config/i386/i386.h (CAN_ELIMINATE): Remove macro.
10309         * config/i386/i386.c (TARGET_CAN_ELIMINATE): Define macro.
10310         (i386_can_eliminate): Declare as static, change return type to bool.
10311         * config/i386/i386-protos.h (i386_can_eliminate): Remove.
10312
10313         * config/ia64/ia64.h (CAN_ELIMINATE): Remove macro.
10314         * config/ia64/ia64.c (TARGET_CAN_ELIMINATE): Define macro.
10315         (ia64_can_eliminate): New function.
10316
10317         * config/iq2000/iq2000.h (CAN_ELIMINATE): Remove macro.
10318         * config/iq2000/iq2000.c (TARGET_CAN_ELIMINATE): Define macro.
10319         (iq2000_can_eliminate): New function.
10320
10321         * config/m32r/m32r.h (CAN_ELIMINATE): Remove macro.
10322         * config/m32r/m32r.c (TARGET_CAN_ELIMINATE): Define macro.
10323         (m32r_can_eliminate): New function.
10324
10325         * config/m68hc11/m68hc11.h (CAN_ELIMINATE): Remove macro.
10326         * config/m68hc11/m68hc11.c (TARGET_CAN_ELIMINATE): Define macro.
10327         (m68hc11_can_eliminate): New function.
10328
10329         * config/m68k/m68k.h (CAN_ELIMINATE): Remove macro.
10330         * config/m68k/m68k.c (TARGET_CAN_ELIMINATE): Define macro.
10331         (m68k_can_eliminate): New function.
10332
10333         * config/mep/mep.h (CAN_ELIMINATE): Remove macro.
10334         * config/mep/mep.c (TARGET_CAN_ELIMINATE): Define macro.
10335         (mep_can_eliminate): New function.
10336
10337         * config/mips/mips.h (CAN_ELIMINATE): Remove macro.
10338         * config/mips/mips.c (TARGET_CAN_ELIMINATE): Define macro.
10339         (mips_can_eliminate): New function.
10340
10341         * config/rs6000/rs6000.h (CAN_ELIMINATE): Remove macro.
10342         * config/rs6000/rs6000.c (TARGET_CAN_ELIMINATE): Define macro.
10343         (rs6000_can_eliminate): New function.
10344
10345         * config/s390/s390.h (CAN_ELIMINATE): Remove macro.
10346         * config/s390/s390.c (TARGET_CAN_ELIMINATE): Define macro.
10347         (s390_can_eliminate): Declare as static.
10348         * config/s390/s390-protos.h (sparc_can_eliminate): Remove.
10349
10350         * config/score/score.h (CAN_ELIMINATE): Remove macro.
10351         * config/score/score.c (TARGET_CAN_ELIMINATE): Define macro.
10352         (score_can_eliminate): New function.
10353
10354         * config/sparc/sparc.h (CAN_ELIMINATE): Remove macro.
10355         * config/sparc/sparc.c (TARGET_CAN_ELIMINATE): Define macro.
10356         (sparc_can_eliminate): Declare as static.
10357         * config/sparc/sparc-protos.h (sparc_can_eliminate): Remove.
10358
10359         * config/stormy16/stormy16.h (CAN_ELIMINATE): Remove macro.
10360         * config/stormy16/stormy16.c (TARGET_CAN_ELIMINATE): Define macro.
10361         (xstormy16_can_eliminate): New function.
10362
10363         * config/v850/v850.h (CAN_ELIMINATE): Remove macro.
10364         * config/v850/v850.c (TARGET_CAN_ELIMINATE): Define macro.
10365         (v850_can_eliminate): New function.
10366
10367 2009-08-25  Uros Bizjak  <ubizjak@gmail.com>
10368
10369         * config/alpha/alpha.md (*cmpdf_ieee_ext[123]): Remove.
10370         (*cmpdf_internal): Enable for all ALPHA_FPTM levels.
10371         (*movdfcc_ext[1234]): Disable for IEEE mode.
10372
10373 2009-08-25  Eric Botcazou  <ebotcazou@adacore.com>
10374
10375         * gimplify.c (prepare_gimple_addressable): New static function.
10376         (gimplify_modify_expr_to_memcpy): Invoke it on the RHS before marking
10377         it addressable.
10378         (gimplify_addr_expr): Invoke it similarly on the operand instead of
10379         manually fiddling with it.
10380
10381 2009-08-25  Michael Matz  <matz@suse.de>
10382
10383         * expr.h (jumpifnot_1, jumpif_1, do_jump_1): Declare.
10384         * dojump.c (do_jump_by_parts_greater): Take two operands instead of
10385         full expression.
10386         (do_jump_by_parts_equality, do_compare_and_jump): Ditto.
10387         (jumpifnot_1, jumpif_1): New wrappers for do_jump_1.
10388         (do_jump): Split out code for simple binary comparisons into ...
10389         (do_jump_1): ... this, taking the individual operands and code.
10390         Change callers to helper function above accordingly.
10391         * expr.c (expand_expr_real_1): Use jumpifnot_1 for simple binary
10392         comparisons.
10393
10394 2009-08-25  Michael Matz  <matz@suse.de>
10395
10396         * expr.h (struct separate_ops, sepops): New type for passing
10397         around an exploded simple expression.
10398         * optabs.c (expand_widen_pattern_expr, expand_vec_shift_expr):
10399         Use this structure instead of expression tree.
10400         (get_vcond_icode, expand_vec_cond_expr_p): Don't take whole
10401         expression, only its type.
10402         (expand_vec_cond_expr): Take type and individual operands instead
10403         of full expression.
10404         * optabs.h (expand_widen_pattern_expr, expand_vec_cond_expr,
10405         expand_vec_shift_expr): Change prototype accordingly.
10406         * tree-vect-stmts.c (vectorizable_condition): Change call of
10407         expand_vec_cond_expr_p to pass only type.
10408         * expr.c (do_store_flags): Change prototype and implementation
10409         to take an exploded expression.
10410         (expand_expr_real_1): New local ops initialized with details
10411         of the full expression.  Use it instead of full
10412         expression in calls to do_store_flags, expand_vec_cond_expr,
10413         expand_widen_pattern_expr and expand_vec_shift_expr.
10414
10415 2009-08-25  Michael Matz  <matz@suse.de>
10416
10417         * expr.c (expand_expr_real_1): New local treeop0, treeop1,
10418         treeop2 initialized with first three operands of the full expression.
10419         Substitute all TREE_OPERAND (exp, [012]) calls with them.
10420
10421 2009-08-25  Kai Tietz  <kai.tietz@onevision.com>
10422
10423         * gcc/gthr-win32.h (__UNUSED_PARAM): Define, if not already present.
10424         (__gthread_objc_condition_allocate): Mark arguments as unused.
10425         (__gthread_objc_condition_deallocate): Likewise.
10426         (__gthread_objc_condition_wait): Likewise.
10427         (__gthread_objc_condition_broadcast): Likewise.
10428         (__gthread_objc_condition_signal): Likewise.
10429         (__gthread_objc_thread_detach): Cast via INT_PTR to pointer.
10430         (__gthread_objc_thread_id): Likewise.
10431
10432 2009-08-25  Janus Weil  <janus@gcc.gnu.org>
10433
10434         PR middle-end/41149
10435         * tree-pretty-print.c (print_call_name): Print the correct call name
10436         for procedure pointer components.
10437
10438 2009-08-24  Steve Ellcey  <sje@cup.hp.com>
10439
10440         * config/ia64/ia64.c (ia64_promote_function_mode): Call
10441         default_promote_function_mode when not VMS.
10442
10443 2009-08-24  Olivier Hainque  <hainque@adacore.com>
10444
10445         * convert.c (convert_to_integer): Don't assume an input pointer is
10446         POINTER_SIZE wide.  Fetch from the type instead.
10447
10448 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10449
10450         * configure.ac (AC_PREREQ): Bump to 2.64.
10451
10452 2009-08-24  Rafael Avila de Espindola  <espindola@google.com>
10453
10454         * gcc.c (standard_exec_prefix_1,standard_exec_prefix_2): Remove.
10455         (process_command): Don't search standard_exec_prefix_1 and
10456         standard_exec_prefix_2.
10457
10458 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10459
10460         * config/arm/arm.c (output_return_instruction): Handle for
10461         unified syntax.
10462
10463 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10464
10465         * config/arm/arm.c (arm_select_cc_mode): Handle subreg.
10466
10467 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10468
10469         * config/arm/vfp.md (*arm_movdi_vfp): Mark as predicable.
10470         (*arm_movdf_vfp): Likewise.
10471
10472 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10473
10474         * config/arm/neon.md (vashl<mode>3): Rename from ashl<mode>3.
10475         (vashr<mode>3): Rename from ashr<mode>3.
10476         (vlshr<mode>3): Rename from lshr<mode>3.
10477
10478 2009-08-24  Kai Tietz  <kai.tietz@onevision.com>
10479
10480         PR/40786
10481         * c-format.c (format_wanted_type): Add new member scalar_identity_flag.
10482         (check_format_info_main): Use scalar_identify_flag.
10483         (check_format_types): Check for scalar size identity if
10484         scalar_identify_flag is set.
10485         (printf_length_specs): Extend by new field.
10486         (asm_fprintf_length_specs): Likewise.
10487         (gcc_diag_length_specs): Likewise.
10488         (scanf_length_specs): Likewise.
10489         (strfmon_length_specs): Likewise.
10490         (gcc_gfc_length_specs): Likewise.
10491         * config/i386/msformat-c.c (ms_printf_length_specs): Likewise.
10492         (ms_printf_flag_specs): Likewise.
10493         * c-format.h (format_length_info): Add new member scalar_identity_flag.
10494
10495 2009-08-23  Uros Bizjak  <ubizjak@gmail.com>
10496
10497         PR target/40718
10498         * config/i386/i386.c (*call_pop_1): Disable for sibling calls.
10499         (*call_value_pop_1): Ditto.
10500         (*sibcall_pop_1): New insn pattern.
10501         (*sibcall_value_pop_1): Ditto.
10502
10503 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
10504
10505         PR target/41081
10506         * config/rs6000/rs6000.md (rotlsi3_64, ashlsi3_64, lshrsi3_64,
10507         ashrsi3_64): New.
10508
10509 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
10510
10511         PR target/41081
10512         * fwprop.c (try_fwprop_subst): Allow multiple sets.
10513         (get_reg_use_in): New function.
10514         (forward_propagate_subreg): Propagate through subreg of zero_extend
10515         or sign_extend.
10516
10517 2009-08-22  Kaz Kojima  <kkojima@gcc.gnu.org>
10518
10519         * config/sh/t-sh (TARGET_LIBGCC2_CFLAGS): Define.
10520         * config/sh/t-netbsd (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10521
10522 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10523
10524         * configure.ac: Remove --with-datarootdir, --with-docdir,
10525         --with-htmldir switches.  No need to call AC_SUBST for
10526         datarootdir, docdir, htmldir any more.
10527         * configure: Regenerate.
10528         * doc/install.texi (Configuration): Document --datarootdir,
10529         --docdir, --htmldir, --pdfdir; update documentation for
10530         --infodir, --mandir.
10531         (Prerequisites): Bump Autoconf version to 2.64, Automake to 1.11,
10532         M4 to 1.4.6.
10533
10534         * aclocal.m4: Regenerate.
10535         * config.in: Regenerate.
10536         * configure: Regenerate.
10537
10538 2009-08-21  Douglas B Rupp  <rupp@gnat.com>
10539             Olivier Hainque  <hainque@adacore.com>
10540
10541         * config/ia64/ia64.c: Include libfuncs.h.
10542         (TARGET_PROMOTE_FUNCITON_MODE): Define target macro.
10543         (ia64_expand_call): Use reg 25 on VMS.
10544         (ia64_initialize_trampoline): Fix for VMS ABI.
10545         (ia64_function_arg_offset): Always returns 0 when TARGET_ABI_OPEN_VMS.
10546         (ia64_function_arg): Initialize reg 25 on VMS.
10547         Fix OpenVMS ABI issues for varargs.
10548         For OpenVMS, emit the Argument Information register set in the
10549         incoming/sibcall case as well.
10550         (ia64_arg_type): New function.
10551         (ia64_function_arg_advance): Keep track of cum->words.
10552         Fix OpenVMS ABI issues for varargs.
10553         (ia64_function_value): On VMS, promote mode of non-aggregate types.
10554         (ia64_override_options): Set flag_no_common on VMS.
10555         (ia64_init_builtins): Disable FWRITE builtin.
10556         (ia64_asm_output_external): Call DO_CRTL_NAMES.
10557         (ia64_vms_init_libfuncs): Add decc$ routines.
10558         (ia64_vms_valid_pointer_mode): New function.
10559         (ia64_struct_value_rtx): Allways NULL_RTX on VMS.
10560         (ia64_promote_function_mode): New function
10561         * config/ia64/ia64.h (TARGET_ABI_OPEN_VMS): Define as 0 for default.
10562         (LONG_DOUBLE_TYPE_SIZE): Force to 64 on VMS.
10563         (LIBCGC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10564         (INIT_CUMULATIVE_ARGS): Add atypes for VMS.
10565         (INIT_CUMULATIVE_INCOMING_ARGS): Likewise.
10566         (ASM_OUTPUT_DEF): Use ISDIGIT instead of isdigit.
10567         Suppress trailing '#' if VALUE is numeric.
10568         * config/ia64/vms.h (PROMOTE_FUNCTION_MODE): Remove, code moved to
10569         ia64_promote_function_mode.
10570         (TARGET_VALID_POINTER_MODE): Define.
10571
10572 2009-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
10573
10574         PR target/40671
10575         * config/rs6000/rs6000.c (rs6000_override_options): Use
10576         TARGET_64BIT instead of TARGET_POWERPC64 to set the size of pointers.
10577
10578         PR target/41145
10579         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Fix
10580         reporting of vector + decimal/boolean/complex error.
10581
10582 2009-08-21  Jakub Jelinek  <jakub@redhat.com>
10583
10584         * config/rs6000/rs6000.c (rs6000_init_builtins): Fix type of
10585         __vector double TYPE_DECL.
10586
10587 2009-08-21  Richard Earnshaw  <rearnsha@arm.com>
10588
10589         * arm.h (MACHMODE): New define.  Include insn-modes.h if available.
10590         (CUMULATIVE_ARGS): Use MACHMODE for declaration of aapcs_vfp_mode.
10591         * arm.c (aapcs_vfp_is_call_or_return_candidate): Change base_mode
10592         to pointer to enum machine_mode.  Update all callers as needed.
10593
10594 2009-08-21  Uros Bizjak  <ubizjak@gmail.com>
10595
10596         * config/alpha/alpha.md (exception_receiver): Emit alternative
10597         GP load sequence if flag_reorder_blocks_and_partition is set.
10598         (*exception_receiver_2): Also enable when
10599         flag_reorder_blocks_and_partition is set.
10600
10601 2009-08-20  Matt Rice  <ratmice@gmail.com>
10602             Diego Novillo  <dnovillo@google.com>
10603
10604         * Makefile.in (PLUGIN_HEADERS): Include incpath.h and
10605         tree-ssa-sccvn.h.
10606
10607 2009-08-20  Richard Guenther  <rguenther@suse.de>
10608
10609         * c-objc-common.h (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Do not define.
10610         * c-tree.h (c_dup_lang_specific_decl): Remove.
10611         (struct lang_decl, struct lang_type): Move definitions ...
10612         * c-lang.h: ... here.  New file.
10613         * c-decl.c: Include c-lang.h.
10614         (c_dup_lang_specific_decl): Remove.
10615         * c-typeck.c: Include c-lang.h.
10616         * Makefile.in (c-decl.o): Add c-lang.h dependency.
10617         (c-typeck.o): Likewise.
10618         * c-config-lang.in (gtfiles): Add c-lang.h.
10619         * gengtype.c (get_output_file_with_visibility): Handle c-lang.h
10620         like c-tree.h.
10621
10622 2009-08-20  Uros Bizjak  <ubizjak@gmail.com>
10623
10624         * config/alpha/alpha.c (alpha_end_function): Do not clear
10625         crtl->emit structure and free insn locators if cfun->is_thunk is true,
10626         this is now handled in generic code.
10627
10628 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
10629
10630         * config/s390/s390.c (Z10_PREDICT_DISTANCE): New macro.
10631         (s390_z10_fix_long_loop_prediction): New function.
10632         (s390_z10_optimize_cmp): INSN walk moved to callee - s390_reorg.
10633         (s390_reorg): Walk over the INSNs and invoke
10634         s390_z10_fix_long_loop_prediction and s390_z10_optimize_cmp.
10635
10636 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
10637
10638         * config/s390/s390.md ("*brx_stage1_<GPR:mode>", "*brxg_64bit",
10639         "*brx_64bit", "*brx_31bit"): New patterns.
10640         * config/s390/s390.c ('E'): New output modifier.
10641
10642 2009-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10643             Richard Earnshaw  <richard.earnshaw@arm.com>
10644
10645         * config/arm/arm.c (arm_emit_movpair): Handle CONST_INT.
10646         * config/arm/arm.md (*arm_movtas_ze): New pattern for movt.
10647
10648 2009-08-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10649
10650         * pa.md (reload_inhi, reload_outhi, reload_inqi, reload_outqi): New
10651         patterns.
10652         * pa.c (emit_move_sequence): Check if address of operand1 is valid
10653         for mode mode of operand0 when doing secondary reload for SAR.
10654
10655 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
10656
10657         PR middle-end/41123
10658         * expr.c (expand_expr_real_1) <normal_inner_ref>: Handle all kinds
10659         of CONCAT, not just bitpos 0 bitsize size of the whole CONCAT.
10660
10661 2009-08-19  Jason Merrill  <jason@redhat.com>
10662
10663         * doc/invoke.texi (C++ Dialect Options): Note change of minimum
10664         supported template depth in C++0x.
10665
10666 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
10667
10668         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Don't call
10669         free_after_compilation.
10670         * config/score/score7.c (score7_output_mi_thunk): Likewise.
10671         * config/score/score3.c (score3_output_mi_thunk): Likewise.
10672         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
10673         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
10674         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
10675         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
10676         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
10677
10678 2009-08-19  Ian Lance Taylor  <iant@google.com>
10679
10680         * doc/md.texi (Insn Canonicalizations): Correct canonicalization
10681         of (plus (mult (neg B) C) A).
10682
10683 2009-08-18  Michael Matz  <matz@suse.de>
10684
10685         * omp-low.c (optimize_omp_library_calls): Use types_compatible_p
10686         instead of comparing TYPE_MAIN_VARIANT for equality.
10687         * tree-vect-patterns.c (vect_recog_dot_prod_pattern,
10688         vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern): Ditto.
10689         * tree-vect-loop.c (vect_is_simple_reduction): Ditto.
10690         * gimplify.c (goa_lhs_expr_p): Ditto and use
10691         STRIP_USELESS_TYPE_CONVERSION.
10692
10693 2009-08-18  Michael Matz  <matz@suse.de>
10694
10695         * tree-ssa-structalias.c (create_variable_info_for): Also mark
10696         first field in a struct.
10697         (intra_create_variable_infos): Don't deal with flag_argument_noalias.
10698
10699 2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
10700
10701         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
10702         locators before emit_insn is called.  Remove assert that
10703         cfun->is_thunk.
10704         (alpha_end_function): Clear crtl->emit structure and free insn
10705         locators if cfun->is_thunk is true.
10706
10707 2009-08-18  Jason Merrill  <jason@redhat.com>
10708
10709         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
10710         type if available.
10711         * configure.ac: Test for it.
10712         * configure, config.in: Regenerate.
10713         * doc/install.texi: Document --enable-gnu-unique-object.
10714
10715 2009-08-18  Richard Guenther  <rguenther@suse.de>
10716
10717         PR middle-end/41094
10718         * builtins.c (fold_builtin_pow): Fold pow(pow(x,y),z) to
10719         pow(x,y*z) only if x is nonnegative.
10720
10721 2009-08-18  Jakub Jelinek  <jakub@redhat.com>
10722
10723         * bb-reorder.c (fix_up_fall_thru_edges): Only call invert_jump
10724         on jumps.
10725
10726         PR target/40971
10727         * config/rs6000/rs6000.c (rs6000_legitimize_address): For
10728         [DT][FDI]mode ensure the offset isn't 4/8/12 bytes below 0x8000.
10729
10730 2009-08-17  DJ Delorie  <dj@redhat.com>
10731
10732         * config/m32c/m32c.md (UNS_FSETB, UNS_FREIT): New.
10733         * config/m32c/prologue.md (epilogue_freit): New.
10734         (fset_b): New.
10735         * config/m32c/m32c.c (m32c_function_needs_enter): Add prototype.
10736         (bank_switch_p): Likewise.
10737         (fast_interrupt_p): Likewise.
10738         (interrupt_p): Likewise.
10739         (m32c_conditional_register_usage): Round memregs size up.
10740         (need_to_save): We only need to save $a0 when we use ENTER.
10741         (interrupt_p): Check for fast_interrupt too.
10742         (bank_switch_p): New.
10743         (fast_interrupt_p): New.
10744         (m32c_attribute_table): Add bank_switch and fast_interrupt.
10745         (m32c_emit_prolog): Support bank switching and fast interrupts.
10746         * doc/extend.texi (Function Attributes): Add bank_switch and
10747         fast_interrupt.
10748
10749 2009-08-17  Douglas B Rupp  <rupp@gnat.com>
10750
10751         * config/alpha/alpha.c (vms_valid_pointer_mode): New function.
10752         * config/alpha/vms.h (TARGET_VALID_POINTER_MODE): Define.
10753
10754 2009-08-16  Douglas B Rupp  <rupp@gnat.com>
10755
10756         * doc/invoke.texi (Target options): Add new option list for IA-64/VMS.
10757         (menu): Add IA-64/VMS Options.
10758         (IA-64/VMS Options): Likewise.
10759
10760 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
10761
10762         PR target/38599
10763         * config/mips/mips.md (*lwxs): Use :P for pointer values.
10764
10765 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
10766
10767         * config/mips/mips-protos.h (mips_push_asm_switch): New function.
10768         (mips_pop_asm_switch): Likewise.
10769         * config/mips/mips.c (set_noreorder, set_nomacro, set_noat): Replace
10770         with...
10771         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
10772         (mips_push_asm_switch_1, mips_pop_asm_switch_1): New functions.
10773         (mips_push_asm_switch, mips_pop_asm_switch): Likewise.
10774         (mips_print_operand_punctuation): Use them.  Check mips_noreorder
10775         instead of set_noreorder.
10776         (mips_output_function_prologue): Use the new functions.
10777         (mips_output_function_epilogue): Likewise.
10778         (mips_need_noat_wrapper_p): New function, split out from...
10779         (mips_final_prescan_insn, mips_final_postscan_insn): ...here.
10780         Use mips_push_asm_switch and mips_pop_asm_switch.
10781         * config/mips/mips.h (FUNCTION_PROFILER): Use mips_push_asm_switch
10782         and mips_pop_asm_switch.
10783         (ASM_OUTPUT_REG_POP): Likewise.
10784         (DBR_OUTPUT_SEQEND): Remove boilerplate comment.
10785         Use mips_pop_asm_switch.
10786         (mips_asm_switch): New structure.
10787         (set_noreorder, set_nomacro): Replace with...
10788         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
10789         * config/mips/mips.md (fix_truncdfsi2_macro): Use mips_nomacro
10790         instead of set_nomacro.
10791         (fix_truncsfsi2_macro): Likewise.
10792         (cprestore): Likewise.
10793         (hazard): Use mips_noreorder instead of set_noreorder.
10794         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
10795
10796 2009-08-16  Uros Bizjak  <ubizjak@gmail.com>
10797
10798         * config/alpha/alpha.c (alpha_end_function): Handle NULL_RTX returned
10799         from prev_active_insn.
10800
10801 2009-08-16  Anatoly Sokolov  <aesok@post.ru>
10802
10803         * config/avr/avr.h (AVR_HAVE_8BIT_SP): New macros.
10804         * config/avr/avr.c (avr_override_options): Initialize
10805         avr_current_arch variable.
10806         (avr_cpu_cpp_builtins): Define __AVR_HAVE_8BIT_SP__ or
10807         __AVR_HAVE_16BIT_SP__ according to the device type.
10808         (expand_prologue, output_movhi): Use AVR_HAVE_8BIT_SP instead of
10809         TARGET_TINY_STACK.
10810         (expand_epilogue): Use correct QI mode frame pointer for tiny stack.
10811         Use AVR_HAVE_8BIT_SP instead of TARGET_TINY_STACK.
10812
10813 2009-08-16  Dodji Seketeli  <dodji@redhat.com>
10814
10815         PR debug/37801
10816         * gcc/dwarf2out.c (gen_inlined_subroutine_die): Concentrate on
10817         generating inlined subroutine die only. We shouldn't be
10818         called for anything else.
10819         (gen_block_die): Don't generate inline subroutine debug info for
10820         abstract blocks.
10821
10822 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
10823
10824         * graphite-poly.c (print_pbb): Print PBB index.
10825
10826 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
10827
10828         PR middle-end/40981
10829         * graphite-interchange.c (ppl_max_for_le): Moved...
10830         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
10831         * graphite-ppl.c (ppl_max_for_le): ... here.  Correct the use of
10832         ppl_Pointset_Powerset_C_Polyhedron_maximize.
10833         * graphite-ppl.h (ppl_max_for_le): Declared.
10834
10835 2009-08-14  Olatunji Ruwase <tjruwase@google.com>
10836
10837         * doc/extend.texi (Symbol-Renaming Pragmas): redefine_extname is
10838         supported on all platforms.
10839         * target.h (struct gcc_target): Remove handle_pragma_redefine_extname.
10840         * c-cppbuiltin.c: Remove use of targetm.handle_pragma_redefine_extname.
10841         * c-pragma.c: Likewise.
10842         * target-def.h (TARGET_INITIALIZER): Remove
10843         TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
10844         * config/sol2.h: Remove use of TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
10845
10846 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
10847
10848         * config/ia64/fde-vms.c: New file.
10849         * config/ia64/fde-glibc.c (_Unwind_FindTableEntry): Add dummy arg.
10850         * config/ia64/unwind-ia64.c (UNW_ accessors): Move to unwind-ia64.h
10851         (MD_UNW_COMPATIBLE_PERSONALITY_P): Provide default.
10852         (uw_frame_state_for): Only register a personality routine if it is
10853         known to be compatible with our expectations.
10854         (_Unwind_FindEnclosingFunction, uw_frame_state_for):
10855         Declare unw_table_entry stack variable and
10856         mod all calls to _Unwind_FindTableEntry to add arg.
10857         * config/ia64/unwind-ia64.h (UNW_ accessors): Move here.
10858         (_Unwind_FindTableEntry): Add arg to prototype.
10859
10860 2009-08-14  Eric Botcazou  <ebotcazou@adacore.com>
10861
10862         * config/ia64/unwind-ia64.c (struct _Unwind_Context): Add new
10863         field 'signal_pfs_loc'.
10864         (uw_frame_state_for): Remove duplicate code dealing with leaf
10865         procedures without unwind info.
10866         If in the frame after unwinding through a signal handler, restore
10867         the AR.PFS register instead of the CFM if AR.PFS has not been saved.
10868         * config/ia64/linux-unwind.h (ia64_fallback_frame_state): Do not set
10869         'pfs_loc' to the AR.PFS location in the signal context; instead
10870         set 'signal_pfs_loc'.
10871         Manually generate the unwind info for the AR.PFS register.
10872         (ABI_MARKER_OLD_LINUX_SIGTRAMP, ABI_MARKER_OLD_LINUX_INTERRUPT,
10873         ABI_MARKER_LINUX_SIGTRAMP, ABI_MARKER_LINUX_INTERRUPT): Define.
10874         (ia64_handle_unwabi): Test 'fs->unwabi' against them.
10875         Do not set 'pfs_loc' to the AR.PFS location in the signal context;
10876         instead set 'signal_pfs_loc'.
10877         Remove code preventing the AR.PFS register from being restored
10878         from the signal context.
10879
10880 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
10881             Tristan Gingold  <gingold@adacore.com>
10882
10883         * config.gcc (ia64-hp-*vms*): Insert ia64/t-ia64 in tmake_file.
10884         * config/ia64/t-vms: New file.
10885         * config/ia64/vms64.h: New file.
10886         * config/ia64/vms.h: New file.
10887         * config/ia64/vms-crtinit.asm: New file.
10888         * config/ia64/vms_symvec_libgcc_s.opt: New file.
10889         * config/ia64/vms-unwind.h: New file.
10890
10891 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
10892
10893         * config/alpha/alpha.c (alpha_emit_conditional_move): Handle
10894         TFmode compares.
10895
10896 2009-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10897
10898         PR middle-end/30789
10899         * builtins.c (do_mpc_arg2): Make extern, define for any MPC version.
10900         Move declaration...
10901         * real.h (do_mpc_arg2): ... here.
10902         * fold-const.c (const_binop): Use MPC for complex MULT_EXPR
10903         and RDIV_EXPR.
10904
10905 2009-08-14  Rafael Avila de Espindola  <espindola@google.com>
10906
10907         * final.c (add_debug_prefix_map): Don't use GC memory for
10908         old_prefix and new_prefix.
10909
10910 2009-08-14  Richard Guenther  <rguenther@suse.de>
10911
10912         * ipa-prop.c (compute_complex_pass_through): If we cannot
10913         compute a non-varying offset for IPA_JF_ANCESTOR punt.
10914
10915 2009-08-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10916
10917         * c-lex.c (c_lex_with_flags): Increase size of local variable
10918         to avoid memory clobber.
10919
10920 2009-08-14  Paolo Bonzini  <bonzini@gnu.org>
10921
10922         PR target/40934
10923         * config/i386/i386.c (ix86_fp_comparison_strategy):
10924         Only enable/disable sahf at function granularity.
10925
10926 2009-08-14  Hans-Peter Nilsson  <hp@axis.com>
10927
10928         PR rtl-optimization/41064
10929         * reload1.c (reload_as_needed): Don't call extract_insn
10930         for known invalid replacements after calling
10931         validate_replace_rtx_group and verify_changes.
10932
10933 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
10934
10935         PR target/41019
10936         * config/i386/sse.md (SSEMODE124C8): New mode iterator.
10937         (vcond<SSEMODEF2P:mode>): Assert that operation is supported by
10938         ix86_expand_fp_vcond.
10939         (vcond<SSEMODE124C8:mode>): Use SSEMODE124C8 instead of SSEMODE124.
10940         Assert that operation is supported by ix86_expand_int_vcond.
10941         (vcondu<SSEMODE124C8:mode>): Ditto.
10942
10943 2009-08-13  DJ Delorie  <dj@redhat.com>
10944
10945         * config/i386/djgpp-stdint.h: New.
10946         * config.gcc (djgpp): Use it.
10947
10948 2009-08-13  Kaz Kojima  <kkojima@gcc.gnu.org>
10949
10950         * config/sh/sh.c (sh_override_options): When flag_exceptions or
10951         flag_unwind_tables is on, turn flag_reorder_blocks_and_partition off.
10952
10953 2009-08-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
10954
10955         * tree-ssa-loop-prefetch.c
10956         (prune_ref_by_group_reuse): Enhance probabilistic analysis
10957         for long-stride pruning.
10958         (compute_miss_rate): New function to compute the probability
10959         that two memory references access different cache lines.
10960
10961 2009-08-13  Dave Korn  <dave.korn.cygwin@gmail.com>
10962
10963         * gcc/config/i386/cygwin.h (LINK_SPEC): Add --enable-auto-image-base.
10964
10965 2009-08-13  Richard Guenther  <rguenther@suse.de>
10966
10967         PR middle-end/41047
10968         * tree-ssa-ccp.c (ccp_fold): When folding pointer additions
10969         use the constant pointer type.
10970         * gimplify.c (canonicalize_addr_expr): Canonicalize independent
10971         of CV qualifiers on the target pointer type.
10972         * tree-ssa.c (useless_type_conversion_p): Move incomplete pointer
10973         conversion check before restrict check.
10974
10975 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
10976
10977         PR target/41029
10978         * config/sh/sh.md (reload_outdf__RnFRm+4): Fix thinko.
10979
10980 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
10981
10982         * config/sh/sh.c (sh_promote_function_mode): Add ATTRIBUTE_UNUSED.
10983
10984 2009-08-12  Richard Guenther  <rguenther@suse.de>
10985
10986         PR tree-optimization/41011
10987         * ipa-cp.c (ipcp_lattice_from_jfunc): Deal with failing fold
10988         and reference constructing.
10989
10990 2009-08-12  Xinliang David Li  <davidxl@google.com>
10991
10992         PR tree-optimization/41012
10993         * tree-flow.h : New external interface.
10994         * gimple-low.c (check_call_arg): Change to public function.
10995         Remove argument mismatch check in lowering.
10996         * tree-inline.h (tree_can_inline_p): Interface change.
10997         * tree-inline.c (tree_can_inline_p): Fold argument mismatch check
10998         into this function.
10999         * ipa-inline.c (cgraph_decide_inlining_of_small_functions):
11000         Call change to tree_can_inline_p function.
11001         (cgraph_decide_inlining_incrementally): Ditto.
11002
11003 2009-08-12  Richard Sandiford  <rdsandiford@googlemail.com>
11004
11005         PR tree-optimization/41031
11006         * tree-outof-ssa.c (insert_value_copy_on_edge): Use promote_decl_mode
11007         on the partition variable rather than promote_mode on the source
11008         type.  Assert that the partition variable's type has the same
11009         mode as the source value's.
11010
11011 2009-08-12  Paolo Bonzini  <bonzini@gnu.org>
11012
11013         * doc/tm.texi (TARGET_PROMOTE_FUNCTION_MODE): Add documentation
11014         for for_return == 2.
11015         * function.c (assign_parm_setup_reg): Use for_return == 2, improve
11016         comments.
11017         * calls.c (expand_call): Fix typo.
11018         * explow.c (promote_decl_mode): Use for_return == 2 for RESULT_DECL
11019         and PARM_DECL.
11020         * stmt.c (expand_value_return): Use promote_function_mode to copy out
11021         of pseudo.
11022         * targhooks.c (default_promote_function_mode): Handle for_return == 2.
11023         * config/cris/cris.c (cris_promote_function_mode): Likewise.
11024         * config/mmix/mmix.c (mmix_promote_function_mode): Likewise.
11025         * config/pa/pa.c (pa_promote_function_mode): Likewise.
11026
11027 2009-08-12  Andrew Haley  <aph@redhat.com>
11028
11029         * config/arm/arm.c (arm_init_libfuncs): Add __sync_synchronize.
11030
11031 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
11032
11033         PR bootstrap/40103
11034         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
11035
11036 2009-08-12  Richard Guenther  <rguenther@suse.de>
11037
11038         * alias.c (get_alias_set): Honor TYPE_STRUCTURAL_EQUALITY_P.
11039         * gimplify.c (gimplify_modify_expr): Do not use
11040         lang_hooks.types_compatible_p.
11041         * tree-ssa.c (useless_type_conversion_p): For aggregates
11042         just return false if the canonical types differ.
11043
11044 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
11045
11046         PR middle-end/40980
11047         * sese.c (convert_for_phi_arg): New.
11048         (add_guard_exit_phis): Use convert_for_phi_arg.
11049
11050 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
11051
11052         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
11053         unknown subscript upper bounds.
11054
11055 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
11056             Pranav Garg  <pranav.garg2107@gmail.com>
11057
11058         * graphite-interchange.c (gather_access_strides): Removed.
11059         (ppl_max_for_le): New.
11060         (build_linearized_memory_access): New.
11061         (memory_stride_in_loop): New.
11062         (pbb_interchange_profitable_p): Reimplemented.
11063         * graphite-ppl.h (ppl_new_id_map): New.
11064         (ppl_interchange): New.
11065
11066 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
11067
11068         * graphite-interchange.c (compute_subscript): Removed.
11069         (compute_array_size_cstr): Removed.
11070         (compute_array_size_poly): Removed.
11071         (compute_array_size): Removed.
11072         (gather_access_strides_poly): Removed.
11073         (gather_access_strides): Empty.
11074
11075 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
11076
11077         * graphite-dependences.c (dependence_polyhedron_1): Replace
11078         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
11079         (graphite_legal_transform_dr): Same.
11080         (graphite_carried_dependence_level_k): Same.
11081         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
11082         Initialize PDR_NB_SUBSCRIPTS.
11083         (print_pdr_access_layout): Replace pdr_nb_subscripts with
11084         PDR_NB_SUBSCRIPTS.
11085         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
11086         (PDR_NB_SUBSCRIPTS): New.
11087         (pdr_nb_subscripts): Removed.
11088         (pdr_dim): Simplified.
11089         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
11090         with PDR_NB_SUBSCRIPTS.
11091
11092 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
11093
11094         * graphite-interchange.c (compute_array_size): Remove use of
11095         PDR_DATA_CONTAINER.
11096         * graphite-poly.c (new_poly_dr): Remove argument data_container.
11097         Do not initialize PDR_DATA_CONTAINER.
11098         (print_pdr): Do not print PDR_DATA_CONTAINER.
11099         * graphite-poly.h (struct poly_dr): Remove data_container field.
11100         (PDR_DATA_CONTAINER): Removed.
11101         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
11102         PDR_DATA_CONTAINER.
11103         (build_poly_dr): Same.
11104
11105 2009-08-12  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
11106             Sebastian Pop  <sebastian.pop@amd.com>
11107
11108         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
11109         copy of the dependence polyhedron.  Free the temporary objects.
11110         (graphite_carried_dependence_level_k): Free unused objects before
11111         returning.
11112
11113 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
11114
11115         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
11116         Early return without analyzing the data dependences if no
11117         transform has been done.  Call restore_scattering if the transform
11118         is not legal.
11119         (graphite-interchange.c): Same.
11120         * graphite-poly.c (print_scattering_function): Test for
11121         PBB_TRANSFORMED.
11122         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
11123         (apply_poly_transforms): Do not gcc_assert that
11124         the transform is legal.
11125         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED and PBB_ORIGINAL.
11126         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
11127         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
11128         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
11129         * graphite-poly.h (struct poly_scattering): New.
11130         (struct poly_bb): Add original, transformed, and saved fields.
11131         Remove transformed_scattering, original_scattering,
11132         nb_local_variables and nb_scattering_transform fields.
11133         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
11134         (poly_scattering_new): New.
11135         (poly_scattering_free): New.
11136         (poly_scattering_copy): New.
11137         (store_scattering_pbb): New.
11138         (store_scattering): New.
11139         (restore_scattering_pbb): New.
11140         (restore_scattering): New.
11141         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
11142         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
11143
11144 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
11145
11146         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
11147         (print_scop): Same.
11148
11149 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
11150
11151         * Makefile.in (graphite.o): Depends on PREDICT_H.
11152         * graphite.c: Include predict.h.
11153         (graphite_finalize): Call tree_estimate_probability.
11154         * predict.c (predict_loops): Do not call scev_initialize and
11155         scev_finalize.
11156         (tree_estimate_probability_bb): New.
11157         (tree_estimate_probability): Do not initialize loops: move that
11158         code to the driver.  Call tree_estimate_probability_bb.
11159         (tree_estimate_probability_driver): New.
11160         (pass_profile): Use tree_estimate_probability_driver.
11161         * predict.h (tree_estimate_probability): Declared.
11162
11163 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
11164
11165         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
11166         * graphite-dependences.c (graphite_legal_transform): Add time to
11167         TV_GRAPHITE_DATA_DEPS.
11168         (dependency_between_pbbs_p): Same.
11169         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
11170
11171 2009-08-12  Andrey Belevantsev  <abel@ispras.ru>
11172
11173         PR rtl-optimization/41033
11174         * alias.c (nonoverlapping_component_refs_p): Punt when strict
11175         aliasing is disabled.
11176
11177 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
11178
11179         * config/mips/predicates.md (qi_mask_operand, hi_mask_operand,
11180         si_mask_operand, and_load_operand, low_bitmask_operand,
11181         and_reg_operand, and_operand): New predicates.
11182         * config/mips/constraints.md (Yb, Yh, Yw, Yz): New constraints.
11183         * config/mips/mips.c (and_operands_ok): New function.
11184         * config/mips/mips-protos.h (and_operands_ok): Declare it.
11185         * config/mips/mips.md (move_type): Add ext_ins and logical.
11186         (type): Handle them.
11187         (and<mode>3): Use and_reg_operand as the second operand's predicate.
11188         (*and<mode>3): Add alternatives for lbu, lhu, lwu, <d>ext and
11189         shift_shift.  Remove commutative constraint modifier.
11190         (*and<mode>3_mips16): Add alternatives for lbu, lhu, lwu and
11191         shift_shift.
11192         (*clear_upper32_dext): Remove define_insn_and_split.
11193         (*clear_upper32): Turn this define_insn_and_split ...
11194         (splitter for ANDing register with 0xffff_ffff): .. into this.
11195
11196 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
11197
11198         * combine.c (try_widen_shift_mode): Factor out code to check if an
11199         integer constant is a low-order bitmask from here ...
11200         * rtlanal.c (low_bitmask_len): ... to here.
11201         * rtl.h (low_bitmask_len): Declare.
11202
11203 2009-08-11  Uros Bizjak  <ubizjak@gmail.com>
11204
11205         PR target/8603
11206         * config/alpha/alpha.md (addsi3): Remove expander.
11207         (addsi3): Rename from *addsi3_internal insn pattern.
11208         (subsi3): Remove expander.
11209         (subsi3): Rename from *subsi3_internal insn pattern.
11210
11211 2009-08-11  Douglas B Rupp  <rupp@gnat.com>
11212
11213         * config/alpha/alpha.c (alpha_init_builtins): Nullify FWRITE and
11214         FWRITE_UNLOCKED.
11215
11216 2009-08-11  Vasiliy Fofanov  <fofanov@adacore.com>
11217             Eric Botcazou  <botcazou@adacore.com>
11218             Douglas B Rupp  <rupp@gnat.com>
11219
11220         * config/alpha/alpha.c (alpha_return_in_memory): On VMS, ensure
11221         that records that fit in 64 bits are returned by immediate value,
11222         as required by OpenVMS Calling Standard.
11223         (function_value): Adjust for above modification.
11224         (alpha_va_start) <TARGET_ABI_OPEN_VMS>: Use
11225         virtual_incoming_args_rtx as base object, not next_arg.
11226         * config/alpha/vms.h (DEFAULT_PCC_STRUCT_RETURN): Define as 0.
11227
11228 2009-08-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11229
11230         * reload.c (find_reloads_subreg_address): Check the original
11231         req_equiv_mem address to detect the case where an address is
11232         not valid in the outer mode.
11233
11234 2009-08-11  Richard Guenther  <rguenther@suse.de>
11235
11236         PR bootstrap/40788
11237         * builtins.c (gimplify_va_arg_expr): Do not call SET_EXPR_LOCATION.
11238
11239 2009-08-10  Douglas B Rupp  <rupp@gnat.com>
11240
11241         * config/alpha/vms.h (OPTIMIZATION_OPTIONS): Remove
11242         (OVERRIDE_OPTIONS): Incorporate removed OPTIMIZATION_OPTIONS.
11243
11244 2009-08-10  Olivier Hainque  <hainqueu@adacore.com>
11245             Douglas B Rupp  <rupp@gnat.com>
11246
11247         * config/alpha/alpha.c (alpha_sa_size): Force procedure type to
11248         PT_STACK when frame_pointer_needed on OpenVMS.
11249         (alpha_pv_save_size, alpha_using_fp): Remove.
11250         (alpha_vms_can_eliminate): New function. Support for CAN_ELIMINATE
11251         with proper processing for PT_NULL.
11252         (alpha_vms_initial_elimination_offset): New function. Support for
11253         INITIAL_ELIMINATION_OFFSET with proper processing for PT_NULL.
11254         (alpha_sa_size): Force procedure type to PT_STACK when
11255         frame_pointer_needed on OpenVMS.
11256         * config/alpha/alpha-protos.h (alpha_pv_save_size): Remove prototype.
11257         (alpha_using_fp): Likewise.
11258         (alpha_vms_can_eliminate): Add prototype.
11259         (alpha_vms_initial_elimination_offset): Likewise.
11260         * config/alpha/vms.h (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET):
11261         Call alpha_vms_can_eliminate and alpha_vms_initial_elimination_offset.
11262
11263 2009-08-10  Eric Botcazou  <botcazou@adacore.com>
11264             Douglas B Rupp  <rupp@gnat.com>
11265
11266         * config/alpha/alpha.c (common_object_handler): New function.
11267         (vms_attribute_table): Declare a single attribute "common_object".
11268         (vms_output_aligned_decl_common): New global function.
11269         (SECTION_VMS_OVERLAY): Delete.
11270         (SECTION_VMS_GLOBAL): Likewise.
11271         (SECTION_VMS_INITIALIZE): Likewise.
11272         (vms_asm_named_section): Remove support for above flags.
11273         (vms_section_type_flags): Delete.
11274         (TARGET_SECTION_TYPE_FLAGS): Likewise.
11275         * config/alpha/alpha-protos.h (vms_output_aligned_decl_common): New.
11276         * config/alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
11277         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New macro.
11278
11279 2009-08-10  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
11280
11281         PR target/41015
11282         * longlong.h [__sh__] (udiv_qrnnd): Add T register to clobber list.
11283         (sub_ddmmss): Likewise.
11284
11285 2009-08-10  Andreas Tobler  <a.tobler@schweiz.org>
11286
11287         PR bootstrap/41018
11288         * config/rs6000/freebsd.h: Define SVR4_ASM_SPEC. Adjust copyright
11289         year.
11290
11291 2009-08-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11292
11293         PR target/37053
11294         * reload1.c (reload_as_needed): Use cancel_changes to completely
11295         undo a failed replacement attempt.
11296
11297 2009-08-10  Richard Guenther  <rguenther@suse.de>
11298
11299         PR middle-end/41006
11300         * tree-ssa.c (useless_type_conversion_p_1): Fold into ...
11301         (useless_type_conversion_p): ... here.  Require pointer targets
11302         to be compatible.
11303
11304 2009-08-10  Dodji Seketeli  <dodji@redhat.com>
11305
11306         PR c++/40866
11307         * tree-inline.c (copy_statement_list): The resulting copy shouldn't
11308         loose the original type of the statement list.
11309
11310 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
11311
11312         * config/alpha/alpha.c: Include libfuncs.h
11313         (avms_asm_output_extern): New function.
11314         (alpha_init_libfuncs): Init some decc libfuncs.
11315         * config/alpha/alpha-protos.h (avms_asm_output_external): Declare.
11316         * config/alpha/vms.h (ASM_OUTPUT_EXTERNAL): Define.
11317         (DO_CRTL_NAMES): Define.
11318         (LIB_SPEC): Remove.
11319         * config/alpha/vms64.h (POINTERS_EXTEND_UNSIGNED): Remove undef.
11320         (LONG_TYPE_SIZE): Define.
11321         (TARGET_OS_CPP_BUILTINS): Define with __LONG_POINTERS=1
11322         (SUBTARGET_SWITCHES): Define malloc64 switch.
11323         (TARGET_DEFAULT): Default MASK_MALLOC64 set.
11324         (MASK_RETURN_ADDR): Define.
11325         doc/invoke.texi (mmalloc64): Document switch.
11326
11327 2009-08-09  Olivier Hainque  <hainque@adacore.com>
11328             Douglas B Rupp  <rupp@gnat.com>
11329
11330         * config/alpha/alpha.c (struct machine_function): New flag for VMS,
11331         uses_condition_handler.
11332         (alpha_expand_builtin_establish_vms_condition_handler): New expander.
11333         (alpha_expand_builtin_revert_vms_condition_handler): New expander.
11334         (enum alpha_builtin): New ALPHA_BUILTIN_REVERT_VMS_CONDITION_HANDLER
11335         and ALPHA_BUILTIN_ESTABLISH_VMS_CONDITION_HANDLER values.
11336         (code_for_builtin): New insn codes for the new alpha_builtins.
11337         (alpha_init_builtins): Register the new functions as BUILT_IN_MD.
11338         (alpha_sa_size): Account for uses_condition_handler.
11339         (alpha_expand_prologue): Likewise.
11340         (alpha_start_function): Likewise.
11341         (alpha_expand_epilogue): Likewise.
11342         * config/alpha/alpha-protos.h: Prototype the new alpha.c builtin
11343         establish/revert expanders.
11344         * config/alpha/alpha.h (DWARF_FRAME_REGNUM): Define.
11345         * config/alpha/alpha.md (builtin_establish_vms_condition_handler):
11346         New expander, resorting to the alpha.c associated function.
11347         (builtin_revert_vms_condition_handler): Likewise.
11348         * config/alpha/vms-gcc_shell_handler.c: New file. Implements
11349         __gcc_shell_handler, the static VMS condition handler used as
11350         an indirection wrapper to the current dynamically established
11351         handler.
11352         * config/alpha/vms-unwind.h: Complete rewrite.
11353         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Add vms-gcc_shell_handler.c
11354         * config/alpha/vms.h (MD_UNWIND_SUPPORT):
11355
11356 2009-08-09  Eric Botcazou  <botcazou@adacore.com>
11357             Douglas B Rupp  <rupp@gnat.com>
11358
11359         * config/alpha/alpha.c (alpha_links): Add 'target' field.
11360         (alpha_need_linkage): Handle aliases.  Return function symbol.
11361         (alpha_use_linkage): Rename 'linkage' argument to 'func'.
11362         Use ultimate alias target for the linkage name.
11363         * config/alpha/alpha.md (movmemdi): Use the symbol returned
11364         by alpha_need_linkage for the function symbol.
11365         (setmemdi): Likewise.
11366
11367 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
11368
11369         * config/alpha/alpha.c (TARGET_ASM_UNALIGNED_*_OP): Define if on VMS.
11370         * config/alpha/vms.h (OBJECT_FORMAT_ELF): Define.
11371         (ASM_WEAKEN_LABEL): Define.
11372         (CRT_CALL_STATIC_FUNCTION): Define.
11373         (STARTFILE_SPEC): Add crtbegin.o crtbeginS.o.
11374         (ENDFILE_SPEC): Define.
11375         (INIT_SECTION_ASM_OP): Define.
11376         * config/alpha/vms-dwarf2eh.asm (__EH_FRAME_BEGIN__): Remove.
11377         * config/alpha/t-vms (EXTRA_PARTS): Add crtbegin.o crtbeginS.o
11378         crtend.o crtendS.o.
11379         (MULTILIB_OSDIRNAMES): Define.
11380         (shlib_version): Define.
11381         (SHLIB_EXT): Define.
11382         (SHLIB_OBJS): Define.
11383         (SHLIB_NAME): Define.
11384         (SHLIB_MULTILIB): Define.
11385         (SHLIB_INSTALL): Define.
11386         (SHLIB_SYMVEC): Define.
11387         (SHLIB_SYMVECX2): Define.
11388         (SHLIB_LINK): Define.
11389
11390 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
11391
11392         * config/alpha/alpha.c (alpha_initialize_trampoline):
11393         Initialize VMS trampoline IAW ABI for bounded procedure calls.
11394         (alpha_start_function): Emit transfer address on nested functions
11395         for VMS trampoline call.
11396         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Remove vms_tramp.asm
11397         since no longer used.
11398         * config/alpha/vms-tramp.asm: Remove.
11399         * config/alpha/vms.h (TRAMPOLINE_TEMPLATE): Leave undefined
11400         since now only data initialized at runtime.
11401
11402 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
11403
11404         * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Define.
11405         (LINK_GCC_C_SEQUENCE_SPEC): Define.
11406         (MD_EXEC_PREFIX): Remove, no longer used.
11407         (MD_STARTFILE_PREFIX): Likewise.
11408         (INCLUDE_DEFAULTS): Likewise.
11409         * config/alpha/t-vms:
11410         (vms-dwarf2.o, vms-dwarf2eh.o): Use GCC_FOR_TARGET to compile.
11411
11412 2009-08-09  Richard Guenther  <rguenther@suse.de>
11413
11414         PR tree-optimization/41016
11415         * tree-ssa-ifcombine.c (get_name_for_bit_test): Fix tuplification bug.
11416         (operand_precision): Remove.
11417         (integral_operand_p): Likewise.
11418         (recognize_single_bit_test): Adjust.
11419
11420 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
11421
11422         * c-common.c (c_fully_fold_internal): Issue a warning if a binary
11423         operation overflows.  Likewise non-cast unary arithmetic.
11424         If one arm of a conditional expression is always taken,
11425         inhibit evaluation warnings for the other arm.  Likewise inhibit
11426         evaluation warnings for the second && or || operand if the first
11427         operand is enough to determine the result.
11428         * c-typeck.c (build_conditional_expr): Apply the same inhibition
11429         rules here.
11430         (build_binary_op): Prevent duplicate evaluation warnings.
11431
11432 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
11433
11434         * tree-out-of-ssa.c (insert_value_copy_on_edge): If the source
11435         and destination have different modes, Use promote_mode to
11436         determine the signedness of the conversion.  Assert that the
11437         promoted source mode matches the destination mode.  Don't pass
11438         the destination and destination mode to expand_expr if the source
11439         mode is different.  Simplify conversion logic.
11440
11441 2009-08-09  Ira Rosen  <irar@il.ibm.com>
11442
11443         PR tree-optimization/41008
11444         * tree-vect-loop.c (vect_is_simple_reduction): Get operands
11445         from condition only in case it's a comparison. Adjust checks.
11446
11447 2009-08-09  Bernd Schmidt  <bernd.schmidt@analog.com>
11448
11449         * tree-dfa.c (renumber_gimple_stmt_uids_in_blocks): New function.
11450         * tree-flow.h (renumber_gimple_stmt_uids_in_blocks): Declare it.
11451         * tree-ssa-loop-ivopts.c (comp_cost): Make COST an integer.
11452         (enum iv_position): Add IP_AFTER_USE and IP_BEFORE_USE.
11453         (dump_cand): Handle them.
11454         (struct iv_cand): New members COST_STEP and AINC_USE.
11455         (stmt_after_increment): Likewise.
11456         (stmt_after_inc_pos): Renamed from stmt_after_ip_original_pos.  All
11457         callers changed.  Use gimple_uid comparison instead of scanning.
11458         (add_candidate_1): When looking for identical candidates, take
11459         AINC_USE into account.  Set it for new candidates.
11460         (force_expr_to_var_cost): Cast target_spill_cost to int.
11461         (get_address_cost): New arguments STMT_AFTER_INC and MAY_AUTOINC.
11462         All callers changed.  Check for availability of autoinc addressing
11463         modes, both in general for a given mode, and in the specific use case.
11464         (get_computation_cost_at): New argument CAN_AUTOINC.  All callers
11465         changed.
11466         (get_computation_cost): Likewise.
11467         (autoinc_possible_for_pair, set_autoinc_for_original_candidates,
11468         add_autoinc_candidates): New static functions.
11469         (add_candidate): Call add_autoinc_candidates for candidates based on
11470         a USE_ADDRESS use.
11471         (find_iv_candidates): Call set_autoinc_for_original_candidates.
11472         (determine_use_iv_cost_address): If we have an autoinc candidate at
11473         the matching use, verify autoinc is possible and subtract the cost
11474         of the candidate's step from the cost.
11475         (determine_iv_cost): Record the cost of the increment in the COST_STEP
11476         member of the candidate.
11477         (tree_ssa_iv_optimize_loop): Swap the calls to determine_iv_costs and
11478         determine_use_iv_costs.  Call renumber_gimple_stmt_uids_in_blocks.
11479
11480 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
11481
11482         * config.build (ia64-hp-*vms*): New target.
11483         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
11484         with ia64-hp-*vms*.
11485         * config.gcc (ia64-hp-*vms*): New target.
11486         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
11487         with ia64-hp-*vms*.
11488         * config.host (ia64-hp-*vms*): New target.
11489         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
11490         with ia64-hp-*vms*.
11491
11492 2009-08-08  Richard Guenther  <rguenther@suse.de>
11493
11494         PR tree-optimization/40991
11495         * tree-ssa-pre.c (eliminate): Delay purging EH edges.
11496
11497 2009-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
11498
11499         * combine.c (gen_lowpart_or_truncate): Exclude CONST_INTs from
11500         mode check.  Do truncations in an integer mode.
11501         (force_to_mode): Handle subregs for all mode types.  Only do
11502         arithmetic simplifications on integer modes.
11503
11504 2009-08-07  Richard Guenther  <rguenther@suse.de>
11505
11506         PR tree-optimization/40999
11507         * tree-ssa-ccp.c (get_symbol_constant_value): Handle CONST_DECLs.
11508         (maybe_fold_reference): Lookup constant initializers.
11509         (fold_gimple_assign): Likewise.
11510
11511 2009-08-07  Richard Guenther  <rguenther@suse.de>
11512
11513         * tree-ssa.c (useless_type_conversion_p_1): Only for types
11514         that require structural equality defer to the langhook.
11515
11516 2009-08-07  Martin Jambor  <mjambor@suse.cz>
11517
11518         * ipa-prop.h (enum jump_func_type): New value IPA_JF_ANCESTOR, changed
11519         comments.
11520         (struct ipa_pass_through_data): New type.
11521         (struct ipa_ancestor_jf_data): New type.
11522         (union jump_func_value): Removed field formal_id, added fields
11523         pass_through and ancestor.
11524         (struct ipa_param_call_note): Changed type of formal_id to int from
11525         unsigned.
11526         * ipa-prop.c (ipa_print_node_jump_functions): Print pass through with
11527         operations jump functions and ancestor jump functions.
11528         (compute_complex_pass_through): New function.
11529         (compute_scalar_jump_functions): Call compute_complex_pass_through,
11530         reflect changes in the jump function strucutre.
11531         (update_jump_functions_after_inlining): Ignore complex pass-through
11532         and ancestor jump functions.
11533         * ipa-cp.c (ipcp_lattice_from_jfunc): Added support for ancestor and
11534         polynomial pass-through with operation jump functions.
11535
11536 2009-08-07  Jakub Jelinek  <jakub@redhat.com>
11537
11538         * dwarf2out.c (output_fde): When doing hot/cold partitioning, use
11539         fde->dw_fde_begin as begin label instead of hot/cold label.
11540         Use LLSDAC label instead of LLSDA for second section lsda.
11541         (dwarf2out_do_cfi_startproc): Add SECOND argument.  Use LLSDAC
11542         label instead of LLSDA if it is true.
11543         (dwarf2out_begin_prologue, dwarf2out_switch_text_section): Adjust
11544         callers.
11545         * except.c (add_call_site, dw2_size_of_call_site_table): Add
11546         SECTION argument.  Use it as index into crtl->eh.call_site_record
11547         array.
11548         (dw2_output_call_site_table): Likewise.  Add CS_FORMAT argument,
11549         use it to determine how to print table entries instead of using
11550         #ifdef HAVE_AS_LEB128.  For SECTION > 0 use hot resp. cold
11551         label instead of normal begin label as base.
11552         (sjlj_assign_call_site_values): Adjust add_call_site caller.
11553         (convert_to_eh_region_ranges): When doing hot/cold partitioning,
11554         ensure no EH range spans between sections and that landing pads
11555         are always in the corresponding section.
11556         (sjlj_size_of_call_site_table, sjlj_output_call_site_table): Adjust
11557         for crtl->eh.call_site_record being an array rather than scalar.
11558         (output_one_function_exception_table): New function, copied
11559         from output_function_exception_table.  Adjust
11560         dw2_size_of_call_site_table, dw2_output_call_site_table
11561         callers.  For SECOND section use *C suffixed labels.
11562         (output_function_exception_table): Call
11563         output_one_function_exception_table and, when doing hot/cold
11564         partitioning, also another time for the second section.
11565         * opts.c: Include except.h.
11566         (decode_options): Allow -freorder-blocks-and-partition with
11567         exceptions, unless SJLJ or TARGET_UNWIND_INFO.
11568         * Makefile.in (opts.o): Depend on $(EXCEPT_H).
11569         * function.h (struct rtl_eh): Change call_site_record from
11570         scalar into array of 2 elements.
11571
11572 2009-08-07  Martin Jambor  <mjambor@suse.cz>
11573
11574         * ipa-prop.c (count_formal_params_1): New function.
11575         (ipa_get_vector_of_formal_parms): New function.
11576         (get_vector_of_formal_parm_types): New function.
11577         (ipa_modify_formal_parameters): New function.
11578         (ipa_modify_call_arguments): New function.
11579         (index_in_adjustments_multiple_times_p): New function.
11580         (ipa_combine_adjustments): New function.
11581         (ipa_dump_param_adjustments): New function.
11582         * ipa-prop.h (struct ipa_parm_adjustment): New type.
11583         (ipa_get_vector_of_formal_parms): Declare.
11584         (ipa_modify_formal_parameters): Declare.
11585         (ipa_modify_call_arguments): Declare.
11586         (ipa_combine_adjustments): Declare.
11587         (ipa_dump_param_adjustments): Declare.
11588         (build_ref_for_offset): Declare.
11589         * Makefile.in (tree-sra.o): Add ipa-prop.h to dependencies.
11590         * tree-sra.c: Include ipa-prop.c.
11591         (build_ref_for_offset): Make public.
11592
11593 2009-08-06  Neil Vachharajani  <nvachhar@gmail.com>
11594
11595         * value-prof.c (init_pid_map): Replace xmalloc with XCNEWVEC.
11596
11597 2009-08-06  Thomas Schwinge  <tschwinge@gnu.org>
11598
11599         * gcc/doc/extend.texi (__builtin_extract_return_address)
11600         (__builtin_frob_return_address): Document.
11601
11602 2009-08-06  Paul Brook  <paul@codesourcery.com>
11603
11604         * config/arm/lib1funcs.asm (ARM_DIV_BODY): Add Thumb-2 implementation.
11605         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Only use Thumb-1
11606         implementation on ARMv6-M.
11607
11608 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
11609
11610         * doc/extend.texi (pcs): Document new attribute for ARM.
11611
11612 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
11613
11614         * arm.c (pcs_attribute_args): Comment out unsupported attribute
11615         variants.
11616
11617 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
11618
11619         * arm.c (arm_handle_pcs_attribute): Pass the entire name object to
11620         warning ().
11621
11622 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
11623
11624         * arm.c (arm_handle_pcs_attribute): Use %qE in warning.
11625
11626 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
11627
11628         Merge ARM/hard_vfp_branch to trunk.
11629
11630         2009-08-04  Richard Earnshaw  <rearnsha@arm.com>
11631
11632         * arm.c (libcall_eq): New function.
11633         (libcall_hash): New function.
11634         (add_libcall): New function.
11635         (arm_libcall_uses_aapcs_base): New function.
11636         (arm_libcall_value): Use arm_libcall_uses_aapcs_base to check for
11637         libcalls using the base PCS.
11638         (arm_init_cumulative_args): Likewise.
11639
11640         2009-07-20  Joseph Myers  <joseph@codesourcery.com>
11641
11642         * config/arm/arm.c (arm_libcall_value, arm_init_cumulative_args):
11643         Use base ABI for conversion libfuncs between HFmode and SFmode.
11644
11645         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
11646
11647         * config/arm/arm.c (aapcs_vfp_sub_candidate): Use V2SImode and
11648         V4SImode as representatives of all 64-bit and 128-bit vector
11649         types.  Allow vector types without vector modes.
11650         (aapcs_vfp_is_call_or_return_candidate): Handle vector types
11651         without vector modes like BLKmode.
11652         (aapcs_vfp_allocate): Handle TImode for non-TARGET_NEON like
11653         BLKmode.  Avoid unsupported vector modes or TImode moves for
11654         non-TARGET_NEON.
11655         (aapcs_vfp_allocate_return_reg): Likewise.
11656         (arm_vector_mode_supported_p): Only support V2SImode, V4HImode and
11657         V8QImode if TARGET_NEON || TARGET_IWMMXT.
11658
11659         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
11660
11661         * config/arm/arm.c (arm_handle_pcs_attribute): New.
11662         (arm_get_pcs_model): Pass attribute arguments to
11663         arm_pcs_from_attribute.
11664         (arm_init_cumulative_args): Use base AAPCS for conversions from
11665         floating-point types to DImode.
11666         (arm_attribute_table): Add pcs attribute.
11667         (arm_handle_pcs_attribute): New.
11668         * config/arm/bpabi.h (DECLARE_LIBRARY_RENAMES): When renaming
11669         conversions from floating-point types to DImode, also declare them
11670         to use base AAPCS and declare functions they call to use base
11671         AAPCS and their RTABI names.
11672
11673         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
11674
11675         * doc/invoke.texi (-mfloat-abi=@var{name}): Remove statement about
11676         -mfloat-abi=hard not being supported for VFP.
11677
11678         2009-05-11  Kazu Hirata  <kazu@codesourcery.com>
11679
11680         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Pass a libcall
11681         SYMBOL_REF to hard_libcall_value.
11682
11683         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
11684             Richard Earnshaw  <rearnsha@arm.com>
11685
11686         * config/arm/arm.c (aapcs_layout_arg): Once a co-processor argument
11687         has been put on the stack, all remaining co-processory arguments for
11688         that co-processor also go on the stack.
11689
11690         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
11691
11692         * config/arm/arm.c (arm_return_in_memory): Handle returning
11693         vectors of suitable size in registers also for AAPCS case.
11694
11695         2009-01-13  Richard Earnshaw <rearnsha@arm.com>
11696
11697         * doc/tm.texi (TARGET_LIBCALL_VALUE): Add missing end statement.
11698
11699         2008-12-09  Richard Earnshaw <rearnsha@arm.com>
11700
11701         ARM Hard-VFP calling convention
11702         * target-def.h (TARGET_LIBCALL_VALUE): New hook.
11703         * target.h (gcc_target): Add libcall_value to table of call hooks.
11704         * targhooks.h (default_libcall_value): Default implementation.
11705         * targhooks.c (default_libcall_value): Likewise.
11706         * doc/tm.texi (TARGET_LIBCALL_VALUE): Document it.
11707         * optabs.c (expand_unop): Use it.
11708         * expr.h (hard_libcall_value): Pass the function RTX through.
11709         * calls.c (emit_library_call_value_1): Update call to
11710         hard_libcall_value.
11711         * explow.c (hard_libcall_value): Use new target hook.
11712         * config/arm/arm.c: Include cgraph.h
11713         (TARGET_FUNCTION_VALUE): Override default hook.
11714         (arm_pcs_default): New variable.
11715         (arm_override_options): Don't fault hard calling convention with VFP.
11716         Add support for AAPCS variants.
11717         (arm_function_value): Make static.  Handle AAPCS variants.
11718         (arm_libcall_value): New function.
11719         (arm_apply_result_size): Handle VFP registers in results.
11720         (arm_return_in_memory): Rework all AAPCS variants; handle hard-vfp
11721         conventions.
11722         (pcs_attribute_args): New variable.
11723         (arm_pcs_from_attribute): New function.
11724         (arm_get_pcs_model): New function.
11725         (aapcs_vfp_cum_init): New function.
11726         (aapcs_vfp_sub_candidate): New function.
11727         (aapcs_vfp_is_return_candidate): New function.
11728         (aapcs_vfp_is_call_candidate): New function.
11729         (aapcs_vfp_allocate): New function.
11730         (aapcs_vfp_allocate_return_reg): New function.
11731         (aapcs_vfp_advance): New function.
11732         (aapcs_cp_arg_layout): New variable.
11733         (aapcs_select_call_coproc): New function.
11734         (aapcs_select_return_coproc): New function.
11735         (aapcs_allocate_return_reg): New function.
11736         (aapcs_libcall_value): New function.
11737         (aapcs_layout_arg): New function.
11738         (arm_init_cumulative_args): Initialize AAPCS args data.
11739         (arm_function_arg): Handle AAPCS variants using new interface.
11740         (arm_arg_parital_bytes): Likewise.
11741         (arm_function_arg_advance): New function.
11742         (arm_function_ok_for_sibcall): Ensure that sibling calls agree on
11743         calling conventions.
11744         (arm_setup_incoming_varargs): Handle new AAPCS args data.
11745         * arm.h (NUM_VFP_ARG_REGS): Define.
11746         (LIBCALL_VALUE): Update.
11747         (FUNCTION_VALUE): Delete.
11748         (FUNCTION_VALUE_REGNO_P): Add VFP regs.
11749         (arm_pcs): New enum.
11750         (CUMULATIVE_ARGS): New data to support AAPCS argument marshalling.
11751         (FUNCTION_ARG_ADVANCE): Call arm_function_arg_advance.
11752         (FUNCTION_ARG_REGNO_P): Add VFP regs.
11753         * arm-protos.h (arm_function_arg_advance): Add.
11754         (aapcs_libcall_value): Add.
11755         (arm_function_value): Delete.
11756
11757 2009-08-06  Uros Bizjak  <ubizjak@gmail.com>
11758             H.J. Lu  <hongjiu.lu@intel.com>
11759
11760         PR target/40957
11761         * config/i386/i386.c (standard_sse_mode_p): Remove.
11762         (standard_sse_constant_p): Return 2 for integer mode
11763         vector_all_ones_operand when SSE2 is enabled.
11764         (standard_sse_constant_opcode)<case 2>: Always return [v]pcmpeqd.
11765         (ix86_expand_vector_move): Do not check for negative values from
11766         standard_sse_constant_p.
11767
11768 2009-08-06  Richard Guenther  <rguenther@suse.de>
11769
11770         * tree-ssa.c (useless_type_conversion_p_1): Make function and
11771         array type comparisons frontend independent.
11772         * Makefile.in (tree-ssa.o): Add $(TARGET_H) dependency.
11773         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Always fill
11774         out array reference lower bound and element size operands.
11775         (ao_ref_init_from_vn_reference): Properly compute the offset
11776         for ARRAY_RANGE_REF.
11777         (vn_reference_fold_indirect): Fill out array reference lower
11778         bound and element size operands.
11779         * tree-ssa-pre.c (phi_translate_1): Fail if we have to translate
11780         a non gimple valued reference operand which can happen for
11781         array reference lower bound or element size.
11782         (create_component_ref_by_pieces_1): Properly generate the
11783         element size operand for array references.
11784
11785 2009-08-06  Richard Guenther  <rguenther@suse.de>
11786
11787         PR tree-optimization/40964
11788         * tree.c (iterative_hash_host_wide_int): Export.
11789         * tree.h (iterative_hash_host_wide_int): Declare.
11790         * tree-ssa-structalias.c (heapvar_map): New struct.
11791         (heapvar_map_eq): New function.
11792         (heapvar_map_hash): Likewise.
11793         (heapvar_lookup): Adjust.
11794         (heapvar_insert): Likewise.
11795         (make_constraint_from_heapvar): Allow multiple heap variables
11796         per decl at different offsets.
11797         (init_alias_heapvars): Adjust.
11798
11799 2009-08-04  David Daney  <ddaney@caviumnetworks.com>
11800
11801         * config/mips/mips.h (TARGET_SYNC_AFTER_SC): New macro.
11802         * mips_output_sync_loop (mips_output_sync_loop): Only emit
11803         trailing sync if TARGET_SYNC_AFTER_SC.
11804
11805 2009-08-05  David Daney  <ddaney@caviumnetworks.com>
11806
11807         * gcc/config/mips/sync.md (sync_compare_and_swap<mode>,
11808         compare_and_swap_12, sync_add<mode>, sync_<optab>_12,
11809         sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12,
11810         sync_old_nand_12, sync_new_nand_12, sync_sub<mode>,
11811         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
11812         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
11813         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
11814         sync_new_nand<mode>, sync_lock_test_and_set<mode>,
11815         test_and_set_12): Rewrite calls to mips_output_sync_loop.
11816         * gcc/config/mips/mips-protos.h (mips_output_sync_loop): Make
11817         the prototype declaration match the definition.
11818         * gcc/config/mips/mips.c (mips_output_sync_loop):  Emit sync
11819         instructions explicitly.  Add barrier_before and operands
11820         parameters.
11821         * gcc/config/mips/mips.h (MIPS_COMPARE_AND_SWAP,
11822         MIPS_COMPARE_AND_SWAP_12, MIPS_SYNC_OP, MIPS_SYNC_OP_12,
11823         MIPS_SYNC_OLD_OP_12, MIPS_SYNC_NEW_OP_12, MIPS_SYNC_OLD_OP,
11824         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
11825         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE,
11826         MIPS_SYNC_EXCHANGE_12): Remove sync instructions.
11827
11828 2009-08-05  Andrew Pinski  <pinskia@gmail.com>
11829
11830         * tree-ssa-alias.c: Fix intervals to use [) syntax.
11831
11832 2009-08-05  Uros Bizjak  <ubizjak@gmail.com>
11833             Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
11834
11835         PR target/40906
11836         * config/i386/i386.c (ix86_split_long_move): Fix push of multi-part
11837         source operand.
11838
11839 2009-08-05  Jakub Jelinek  <jakub@redhat.com>
11840
11841         PR rtl-optimization/40924
11842         * dse.c (canon_address): Before calling cselib_expand_value_rtx
11843         make sure canon_rtx (mem_address) isn't simpler than
11844         canon_rtx (expanded_mem_address).
11845
11846 2009-08-05  Li Feng  <nemokingdom@gmail.com>
11847
11848         * graphite-sese-to-poly.c (build_pbb_drs): Remove build alias set
11849         for each poly_bb_p.
11850         (build_scop_drs): Build alias set for each SCoP.
11851
11852 2009-08-04  Sandra Loosemore  <sandra@codesourcery.com>
11853
11854         * doc/invoke.texi (MIPS Options): Document new 1004K -march options.
11855         * config/mips/mips.c (mips_cpu_info_table): Add 1004K cores.
11856         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Add pattern for 1004K.
11857         (MIPS_ARCH_FLOAT_SPEC): Likewise.
11858         (BASE_DRIVER_SELF_SPECS): Likewise.
11859
11860 2009-08-04  Andrew Pinski  <pinskia@gmail.com>
11861
11862         * tree-ssa-alias.c: Fix some comment typos.
11863
11864 2009-08-04  Kaz Kojima  <kkojima@gcc.gnu.org>
11865
11866         * config/sh/linux-atomic.asm (ATOMIC_BOOL_COMPARE_AND_SWAP,
11867         ATOMIC_OP_AND_FETCH, ATOMIC_COMBOP_AND_FETCH): Define.
11868
11869 2009-08-03  Janis Johnson  <janis187@us.ibm.com>
11870
11871         PR c/39902
11872         * simplify-rtx.c (simplify_binary_operation_1): Disable
11873         simplifications for decimal float operations.
11874
11875 2009-08-03  Jakub Jelinek  <jakub@redhat.com>
11876
11877         PR middle-end/40943
11878         * tree-ssa.c (warn_uninitialized_var): Even on LHS warn for
11879         operand of INDIRECT_REF.
11880
11881 2009-08-03  Uros Bizjak  <ubizjak@gmail.com>
11882
11883         * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST
11884         constants referencing TLS symbols.
11885
11886 2009-08-03  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
11887
11888         * config/sh/linux-atomic.asm (ATOMIC_COMPARE_AND_SWAP): Rename
11889         __sync_compare_and_swap_* to __sync_val_compare_and_swap_*.
11890
11891 2009-08-03  Richard Guenther  <rguenther@suse.de>
11892
11893         * tree.c (make_vector_type): Build a main variant first,
11894         get the canonical one and then build the variant.
11895         * tree-ssa.c (useless_type_conversion_p_1): Handle
11896         fixed-point types.
11897         (useless_type_conversion_p): Conversions to pointers to
11898         incomplete record types are useless.
11899
11900 2009-08-03  Richard Guenther  <rguenther@suse.de>
11901
11902         * tree-cfg.c (pass_warn_unused_result): Mark name that no dump
11903         file will be created.
11904         * omp-low.c (pass_diagnose_omp_blocks): Likewise.
11905         * toplev.c (compile_file): Adjust comment.
11906
11907 2009-08-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11908
11909         * config/sh/sh-protos.h (sh_promote_function_mode): Remove.
11910         * config/sh/sh.c (sh_promote_function_mode): Wrap long lines.
11911         (TARGET_PROMOTE_FUNCTION_MODE): Define.
11912         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
11913         (sh_promote_function_mode): Fix typo.
11914
11915 2009-08-03  Andreas Krebbel  <krebbel1@de.ibm.com>
11916
11917         * explow.c (promote_mode): Mark TYPE and PUNSIGNEDP as possibly unused.
11918
11919 2009-08-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11920
11921         * pa.c (pa_promote_function_mode): Remove ATTRIBUTE_UNUSED from
11922         declaration arguments.
11923
11924 2009-08-02  Uros Bizjak  <ubizjak@gmail.com>
11925
11926         * config/i386/i386.c (ix86_expand_fp_compare): Use const0_rtx instead
11927         of GEN_INT (0x00) and const1_rtx instead of GEN_INT (0x01).
11928         (ix86_split_ashl): Ditto.
11929         (ix86_expand_vector_init_one_nonzero): Ditto.
11930         (ix86_expand_vector_set): Ditto.
11931         (ix86_expand_reduc_v4sf): Ditto.
11932
11933 2009-08-02  Paolo Bonzini  <bonzini@gnu.org>
11934
11935         * explow.c (promote_function_mode): Remove assert.
11936         * config/sh/sh.c (sh_promote_function_mode): Declare.
11937
11938 2009-08-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11939
11940         * config/pa/pa.c (pa_promote_function_mode): Declare.
11941         Change to static.  Fix promote_mode call.
11942
11943         * gthr-dce.h (CONST_CAST2): Define if not defined.
11944         (__gthread_setspecific): Use CONST_CAST2 to fix warning.
11945
11946         * config.gcc (hppa[12]*-*-hpux10*): Add stdint support.
11947
11948 2009-08-01  Paolo Bonzini  <bonzini@gnu.org>
11949
11950         * expr.c (store_constructor): Use promote_decl_mode.  Remove
11951         now write-only variable unsignedp.
11952         (expand_expr_real_1): Use promote_decl_mode.
11953         * expr.h (promote_function_mode, promote_decl_mode): New.
11954         (promote_mode): Remove last argument.
11955         * function.c (assign_temp): Drop last argument of promote_mode.
11956         (assign_parm_find_data_types): Use promote_function_mode.
11957         (assign_parm_setup_reg): Likewise.
11958         (expand_function_end): Use promote_function_mode.
11959         * calls.c (initialize_argument_information): Use promote_function_mode.
11960         (precompute_arguments): Use promote_mode instead of checking if
11961         only PROMOTE_FUNCTION_MODE is defined.
11962         (expand_call): When making sibcall decisions, use promote_function_mode.
11963         Below, remove an if for targetm.calls.promote_function_return and
11964         and use promote_function_mode.
11965         (emit_library_call_value_1): Use promote_function_mode, fix bug
11966         where promote_mode was passed FOR_CALL == 0 for a return value in an
11967         assertion.
11968         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
11969         * explow.c (promote_function_mode, promote_decl_mode): New.
11970         (promote_mode): Keep only the FOR_CALL == 0 case.
11971         * combine.c (setup_incoming_promotion): Remove test of
11972         promote_function_args.  Use promote_function_mode.
11973         * stmt.c (expand_value_return): Use promote_decl_mode.
11974         (expand_decl): Use promote_decl_mode.
11975
11976         * expr.c (store_constructor): Use promote_decl_mode.  Remove
11977         now write-only variable unsignedp.
11978         (expand_expr_real_1): Use promote_decl_mode.
11979         * expr.h (promote_function_mode, promote_decl_mode): New.
11980         (promote_mode): Remove last argument.
11981         * function.c (assign_temp): Drop last argument of promote_mode.
11982         (assign_parm_find_data_types): Use promote_function_mode.
11983         (assign_parm_setup_reg): Likewise.
11984         (expand_function_end): Use promote_function_mode.
11985         * calls.c (initialize_argument_information): Use promote_function_mode.
11986         (precompute_arguments): Use promote_mode instead of checking if
11987         only PROMOTE_FUNCTION_MODE is defined.
11988         (expand_call): When making sibcall decisions, use promote_function_mode.
11989         Below, remove an if for targetm.calls.promote_function_return and
11990         and use promote_function_mode.
11991         (emit_library_call_value_1): Use promote_function_mode, fix bug
11992         where promote_mode was passed FOR_CALL == 0 for a return value in an
11993         assertion.
11994         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
11995         * explow.c (promote_function_mode, promote_decl_mode): New.
11996         (promote_mode): Keep only the FOR_CALL == 0 case.
11997         * combine.c (setup_incoming_promotion): Remove test of
11998         promote_function_args.  Use promote_function_mode.
11999         * stmt.c (expand_value_return): Use promote_decl_mode.
12000         (expand_decl): Use promote_decl_mode.
12001
12002         * explow.c (promote_function_mode): Just call the target hook.
12003         * targhooks.c (default_promote_function_mode,
12004         default_promote_function_mode_always_promote): New.
12005         * targhooks.h (default_promote_function_mode,
12006         default_promote_function_mode_always_promote): Declare.
12007         * target.h (promote_function_args, promote_function_return): Remove.
12008         (promote_function_mode): New.
12009         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
12010         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
12011         (TARGET_PROMOTE_FUNCTION_MODE): New.
12012         (TARGET_CALLS): Adjust.
12013         * system.h (TARGET_PROMOTE_FUNCTION_ARGS,
12014         TARGET_PROMOTE_FUNCTION_RETURN, PROMOTE_FUNCTION_MODE): Poison.
12015
12016         * config/s390/s390.h (PROMOTE_FUNCTION_MODE): Move...
12017         * config/s390/s390.c (s390_promote_function_mode): ... here,
12018         with pointer handling.
12019         (TARGET_PROMOTE_FUNCTION_MODE): Define.
12020         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
12021
12022         * config/sparc/sparc.h (PROMOTE_FUNCTION_MODE): Move...
12023         * config/sparc/sparc.c (sparc_promote_function_mode): ... here,
12024         with pointer handling.
12025         (TARGET_PROMOTE_FUNCTION_MODE): Define.
12026         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
12027
12028         * config/sh/sh-protos.h (sh_promote_function_mode): New.
12029         * config/sh/sh.c (sh_promote_function_mode): New.
12030         (TARGET_PROMOTE_FUNCTION_MODE): Define.
12031         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
12032
12033         * config/cris/cris.h (PROMOTE_FUNCTION_MODE): Move...
12034         * config/cris/cris.c (cris_promote_function_mode): ... here.
12035         (TARGET_PROMOTE_FUNCTION_MODE): Define.
12036         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
12037
12038         * config/mmix/mmix.h (PROMOTE_FUNCTION_MODE): Move...
12039         * config/mmix/mmix.c (mmix_promote_function_mode): ... here.
12040         (TARGET_PROMOTE_FUNCTION_MODE): Define.
12041         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
12042
12043         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Move...
12044         * config/arm/arm.c (arm_promote_function_mode): ... here, without
12045         complex type handling.
12046         (TARGET_PROMOTE_FUNCTION_MODE): Define.
12047         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
12048
12049         * config/pa/pa.c (pa_promote_function_mode): New.
12050         (TARGET_PROMOTE_FUNCTION_MODE): Define.
12051         (TARGET_PROMOTE_FUNCTION_RETURN): Remove.
12052
12053         * config/alpha/alpha.c (TARGET_PROMOTE_FUNCTION_ARGS,
12054         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
12055         (TARGET_PROMOTE_FUNCTION_MODE): Define equivalently.
12056         * config/xtensa/xtensa.c: Likewise.
12057         * config/stormy16/stormy16.c: Likewise.
12058         * config/iq2000/iq2000.c: Likewise.
12059         * config/rs6000/rs6000.c: Likewise.
12060         * config/picochip/picochip.c: Likewise.
12061         * config/arc/arc.c: Likewise.
12062         * config/mcore/mcore.c: Likewise.
12063         * config/score/score.c: Likewise.
12064         * config/mips/mips.c: Likewise.
12065         * config/bfin/bfin.c: Likewise.
12066         * config/ia64/ia64.c: Likewise (disabled though).
12067
12068         * config/frv/frv.h: Remove pointless remark.
12069
12070         * doc/tm.texi (PROMOTE_FUNCTION_MODE,
12071         TARGET_PROMOTE_FUNCTION_ARGS,
12072         TARGET_PROMOTE_FUNCTION_RETURN): Consolidate into...
12073         (TARGET_PROMOTE_FUNCTION_MODE): ... this.
12074
12075 2009-08-01  Sebastian Pop  <sebastian.pop@amd.com>
12076
12077         * doc/invoke.texi (-fgraphite-force-parallel): Renamed
12078         -floop-parallelize-all.
12079         * toplev.c (process_options): Rename flag_graphite_force_parallel to
12080         flag_loop_parallelize_all.
12081         * tree-ssa-loop.c (gate_graphite_transforms): Same.
12082         * graphite.c (graphite_transform_loops): Same.
12083         * common.opt: Same.
12084         * graphite-poly.c (apply_poly_transforms): Same.
12085
12086 2009-07-31  Richard Earnshaw  <rearnsha@arm.com>
12087
12088         PR tree-optimization/40914
12089         * ipa-prop.c (ipa_get_ptr_load_param): New argument use_delta,
12090         if set, then check the delta field of the PMF record.
12091         (ipa_get_stmt_member_ptr_load_param): Propagate new param use_delta.
12092         (ipa_analyze_call_uses): Handle machines where the vbit for a PMF
12093         call is stored in the delta.
12094
12095 2009-07-31  Adam Nemet  <anemet@caviumnetworks.com>
12096
12097         * config/mips/mips.md (*clear_upper32_dext): New pattern.
12098
12099 2009-07-31  Uros Bizjak  <ubizjak@gmail.com>
12100
12101         * config/i386/bsd.h (ASM_BYTE): New define.
12102         * config/i386/darwin.h (ASM_BYTE): Rename from ASM_BYTE_OP.
12103         * config/i386/att.h (ASM_BYTE): New define. Use ASM_BYTE instead of
12104         .byte.  Use fputs or putc instead of fprintf where appropriate.
12105         * config/i386/i386-interix.h: Use ASM_BYTE instead of .byte.  Use
12106         fputs or putc instead of fprintf where appropriate.
12107         * config/i386/i386elf.h: Ditto.
12108         * config/i386/sysv4.h: Ditto.
12109
12110         * config/i386/i386.c (TARGET_ASM_BYTE_OP): New define.
12111         * config/i386/i386.md (x86_sahf_1): Use ASM_BYTE instead of .byte.
12112         (*tls_global_dynamic_64): Ditto.
12113
12114 2009-07-31  Christian Bruel  <christian.bruel@st.com>
12115
12116         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
12117
12118 2009-07-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12119
12120         * config/arm/arm.c (arm_arm_address_cost): Fix typo.
12121         Remove dead code for MINUS.
12122
12123 2009-07-31  Anthony Green  <green@moxielogic.com>
12124
12125         * config/moxie/moxie.c (moxie_expand_prologue): Use $r5 instead of
12126         $r12 in prologue.
12127         (moxie_expand_epilogue): Ditto for epilogue.
12128         (moxie_setup_incoming_varargs): ABI change.  Use 5 registers for
12129         incoming arguments.
12130         (moxie_function_arg): Ditto.
12131         (moxie_pass_by_reference): Ditto.
12132         (moxie_arg_partial_bytes): Ditto.
12133         * config/moxie/moxie.h (CALL_USED_REGISTERS): Ditto.
12134         (FUNCTION_ARG_ADVANCE) Ditto.
12135         (REG_PARM_STACK_SPACE) Ditto.
12136         (FUNCTION_ARG_REGNO_P) Dito.
12137
12138         * config.gcc: Add moxie linux config support.
12139         * gcc/config/moxie/uclinux.h: New file.
12140
12141 2009-07-31  DJ Delorie  <dj@redhat.com>
12142
12143         * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
12144         (UNSPECV_SP_SWITCH_E): New.
12145         (sp_switch_1): Change to an unspec.
12146         (sp_switch_2): Change to an unspec.  Don't use post-inc when we
12147         replace $r15.
12148         * config/sh/sh.c (sh_expand_prologue): Use the constant pool to
12149         reference the new stack's address
12150
12151 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
12152
12153         * Makefile.in (OBJS-common): Added dependence on graphite-blocking.o,
12154         graphite-clast-to-gimple.o, graphite-dependences.o,
12155         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
12156         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o.
12157         (graphite-blocking.o,
12158         graphite-clast-to-gimple.o, graphite-dependences.o,
12159         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
12160         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o): New.
12161         * cfgloop.c (alloc_loop): Set loop->can_be_parallel to false.
12162         * cfgloop.h (struct loop): Add can_be_parallel field.
12163         * common.opt (fgraphite-identity): Moved up.
12164         (fgraphite-force-parallel): New flag.
12165         * graphite.c: Rewrite.
12166         * graphite.h: Rewrite.
12167         * passes.c (init_optimization_passes): Schedule a pass of DCE and LIM
12168         after Graphite.
12169         * toplev.c (graphite_out_file): New file descriptor.
12170         (graphite_in_file): New.
12171         (process_options): flag_graphite_force_parallel cannot be used without
12172         Graphite.
12173         * tree-ssa-loop.c: Include toplev.h.
12174         (gate_graphite_transforms): Enable flag_graphite for
12175         flag_graphite_force_parallel.
12176
12177 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
12178
12179         * ChangeLog.graphite: New.
12180         * graphite-blocking.c: New.
12181         * graphite-clast-to-gimple.c: New.
12182         * graphite-clast-to-gimple.h: New.
12183         * graphite-dependences.c: New.
12184         * graphite-dependences.h: New.
12185         * graphite-interchange.c: New.
12186         * graphite-poly.c: New.
12187         * graphite-poly.h: New.
12188         * graphite-ppl.c: New.
12189         * graphite-ppl.h: New.
12190         * graphite-scop-detection.c: New.
12191         * graphite-scop-detection.h: New.
12192         * graphite-sese-to-poly.c: New.
12193         * graphite-sese-to-poly.h: New.
12194         * sese.c: New.
12195         * sese.h: New.
12196
12197 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
12198
12199         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
12200         * tree-chrec.h (evolution_function_right_is_integer_cst): Declared.
12201
12202 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
12203
12204         * tree-chrec.c (operator_is_linear): Handle BIT_NOT_EXPR.
12205         (scev_is_linear_expression): Return false if the evolution is not
12206         affine multivariate.
12207
12208 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
12209
12210         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
12211         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
12212
12213 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
12214
12215         * tree-data-ref.c (debug_data_references): New.
12216         (debug_data_reference): New.
12217         * tree-data-ref.h (debug_data_references): Declared.
12218         (debug_data_reference): Declared.
12219
12220 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
12221
12222         * tree-data-ref.c (stmt_simple_memref_p: Removed.
12223         * tree-data-ref.h (scop_p): Removed.
12224         (struct data_reference): Remove field scop.
12225         (DR_SCOP): Removed.
12226         (stmt_simple_memref_p): Removed.
12227
12228 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
12229
12230         * cfgloop.h (create_empty_loop_on_edge): Pass an extra argument.
12231         * cfgloopmanip.c (create_empty_loop_on_edge): Leave the loop_latch
12232         basic block empty.
12233
12234 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
12235
12236         * doc/invoke.texi (-fgraphite-force-parallel): Documented.
12237
12238 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
12239
12240         * doc/invoke.texi (-fgraphite-identity): Documented.
12241
12242 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
12243
12244         * tree-scalar-evolution.c: Fix comment.
12245         (instantiate_scev_1): Return unknow from scev instantiation if the
12246         result is not above instantiate_below.
12247
12248 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
12249
12250         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
12251         static anymore.  Instantiate the symbols that may have been introduced
12252         by chrec_apply.
12253         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
12254         Declared.
12255
12256 2009-07-30  DJ Delorie  <dj@redhat.com>
12257
12258         * config/mep/mep.c (mep_asm_init_sections): Add section flags and
12259         .vliw directive to VLIW sections.
12260
12261 2009-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12262
12263         * Makefile.in (AUTOCONF, ACLOCAL, ACLOCAL_AMFLAGS, aclocal_deps):
12264         New variables.
12265         ($(srcdir)/configure, $(srcdir)/aclocal.m4): New rules.
12266         (AUTOHEADER): New variable.
12267         ($(srcdir)/cstamp-h.in): Use it.
12268
12269 2009-07-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
12270             Pat Haugen  <pthaugen@us.ibm.com>
12271             Revital Eres <ERES@il.ibm.com>
12272
12273         * config/rs6000/vector.md (VEC_F): Add VSX support.
12274         (VEC_A): Ditto.
12275         (VEC_N): Ditto.
12276         (mov<mode>): Ditto.
12277         (vector_load_<mode>): Ditto.
12278         (vector_store_<mode>): Ditto.
12279         (vector GPR move split): Ditto.
12280         (vec_reload_and_plus_<mptrsize>): Ditto.
12281         (vec_reload_and_reg_<mptrsize>): Ditto.
12282         (add<mode>3): Ditto.
12283         (sub<mode>3): Ditto.
12284         (mul<mode>3): Ditto.
12285         (neg<mode>2): Ditto.
12286         (abs<mode>2): Ditto.
12287         (smin<mode>3): Ditto.
12288         (smax<mode>3): Ditto.
12289         (vector_eq<mode>): Ditto.
12290         (vector_gt<mode>): Ditto.
12291         (vector_ge<mode>): Ditto.
12292         (vector_gtu<mode>): Ditto.
12293         (vector_select_<mode>_uns): Ditto.
12294         (vector_eq_<mode>_p): Ditto.
12295         (vector_gt_<mode>_p): Ditto.
12296         (vector_ge_<mode>_p): Ditto.
12297         (vector_gtu_<mode>_p): Ditto.
12298         (cr6_test_for_zero): Ditto.
12299         (cr6_test_for_zero_reverse): Ditto.
12300         (cr6_test_for_lt): Ditto.
12301         (cr6_test_for_lt_reverse): Ditto.
12302         (xor<mode>3): Ditto.
12303         (ior<mode>3): Ditto.
12304         (and<mode>3): Ditto.
12305         (one_cmpl<mode>2): Ditto.
12306         (nor<mode>2): Ditto.
12307         (andc<mode>2): Ditto.
12308         (float<VEC_int<mode>2): Ditto.
12309         (unsigned_float<VEC_int><mode>2): Ditto.
12310         (fix_trunc<mode><VEC_int>2): Ditto.
12311         (fixuns_trunc<mode><VEC_int>2): Ditto.
12312         (vec_init<mode>):
12313         (vec_set<mode>): Ditto.
12314         (vec_extract<mode>): Ditto.
12315         (vec_interleave_highv4sf): Ditto.
12316         (vec_interleave_lowv4sf): Ditto.
12317         (vec_realign_load_<mode>): Ditto.
12318         (vec_shl_<mode>): Ditto.
12319         (vec_shr_<mode>): Ditto.
12320         (div<mode>3): New patterns for VSX.
12321         (vec_interleave_highv2df): Ditto.
12322         (vec_interleave_lowv2df): Ditto.
12323         (vec_pack_trunc_v2df): Ditto.
12324         (vec_pack_sfix_trunc_v2df): Ditto.
12325         (vec_pack_ufix_trunc_v2df): Ditto.
12326         (vec_unpacks_hi_v4sf): Ditto.
12327         (vec_unpacks_lo_v4sf): Ditto.
12328         (vec_unpacks_float_hi_v4si): Ditto.
12329         (vec_unpacks_float_lo_v4si): Ditto.
12330         (vec_unpacku_float_hi_v4si): Ditto.
12331         (vec_unpacku_float_lo_v4si): Ditto.
12332         (movmisalign<mode>): Ditto.
12333         (vector_ceil<mode>2): New patterns for vectorizing math library.
12334         (vector_floor<mode>2): Ditto.
12335         (vector_btrunc<mode>2): Ditto.
12336         (vector_copysign<mode>3): Ditto.
12337
12338         * config/rs6000/predicates.md (easy_vector_constant_msb): New
12339         predicate for setting the high bit in each word, used for copysign.
12340
12341         * config/rs6000/ppc-asm.h (f19): Whitespace.
12342         (f32-f63): Define if VSX.
12343         (v0-v31): Define if Altivec.
12344         (vs0-vs63): Define if VSX.
12345
12346         * config/rs6000/t-rs6000 (MD_INCLUDES): Add power7.md and vsx.md.
12347
12348         * config/rs6000/power7.md: New file, provide tuning parameters for
12349         -mcpu=power7.
12350
12351         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Add VSX support.
12352         (rs6000_cpu_cpp_builtins): Ditto.
12353         (altivec_overloaded_builtins): Ditto.
12354         (altivec_resolve_overloaded_builtin): Ditto.
12355
12356         * config/rs6000/rs6000.opt (-mno-vectorize-builtins): Add new
12357         debug switch to disable vectorizing simple math builtin
12358         functions.
12359
12360         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
12361         Vectorize simple math builtin functions.
12362         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
12363         hook to vectorize math builtins.
12364         (rs6000_override_options): Enable -mvsx on -mcpu=power7.
12365         (rs6000_builtin_conversion): Add VSX/power7 support.
12366         (rs6000_builtin_vec_perm): Ditto.
12367         (vsplits_constant): Add support for loading up a vector constant
12368         with just the high bit set in each part.
12369         (rs6000_expand_vector_init): Add VSX/power7 support.
12370         (rs6000_expand_vector_set): Ditto.
12371         (rs6000_expand_vector_extract): Ditto.
12372         (rs6000_emit_move): Ditto.
12373         (bdesc_3arg): Ditto.
12374         (bdesc_2arg): Ditto.
12375         (bdesc_1arg): Ditto.
12376         (rs6000_expand_ternop_builtin): Ditto.
12377         (altivec_expand_builtin): Ditto.
12378         (rs6000_expand_unop_builtin): Ditto.
12379         (rs6000_init_builtins): Ditto.
12380         (altivec_init_builtins): Ditto.
12381         (builtin_function_type): Ditto.
12382         (rs6000_common_init_builtins): Ditto.
12383         (rs6000_handle_altivec_attribute); Ditto.
12384         (rs6000_mangle_type): Ditto.
12385         (rs6000_vector_mode_supported_p): Ditto.
12386         (rs6000_mode_dependent_address): Altivec addresses with AND -16
12387         are mode dependent.
12388
12389         * config/rs6000/vsx.md: New file for VSX support.
12390
12391         * config/rs6000/rs6000.h (EASY_VECTOR_MSB): New macro for
12392         identifing values with just the most significant bit set.
12393         (enum rs6000_builtins): Add builtins for VSX.  Add simple math
12394         vectorized builtins.
12395
12396         * config/rs6000/altivec.md (UNSPEC_VRFIP): Delete.
12397         (UNSPEC_VRFIM): Delete.
12398         (splitter for loading up vector with most significant bit): New
12399         splitter for vectorizing copysign.
12400         (altivec_vrfiz): Rename from altivec_fturncv4sf2.  Add support for
12401         vectorizing simple math functions.
12402         (altivec_vrfip): Add support for vectorizing simple math functions.
12403         (altivec_vrfim): Ditto.
12404         (altivec_copysign_v4sf3): New insn for Altivec copysign support.
12405
12406         * config/rs6000/rs6000.md (UNSPEC_BPERM): New constant.
12407         (power7.md, vsx.md): Include for power7 support.
12408         (copysigndf3): Use VSX instructions if -mvsx.
12409         (negdf2_fpr): Ditto.
12410         (absdf2_fpr): Ditto.
12411         (nabsdf2_fpr): Ditto.
12412         (adddf3_fpr): Ditto.
12413         (subdf3_fpr): Ditto.
12414         (muldf3_fpr): Ditto.
12415         (divdf3_fpr): Ditto.
12416         (fix_truncdfdi2_fpr): Ditto.
12417         (cmpdf_internal1): Ditto.
12418         (fred, fred_fpr): Convert into expander/insn to add VSX support.
12419         (btruncdf2, btruncdf2_fpr): Ditto.
12420         (ceildf2, ceildf2_fpr): Ditto.
12421         (floordf2, floordf2_fpr): Ditto.
12422         (floatdidf2, floatdidf2_fpr): Ditto.
12423         (fmadddf4_fpr): Name insn.  Use VSX instructions if -mvsx.
12424         (fmsubdf4_fpr): Ditto.
12425         (fnmadddf4_fpr_1): Ditto.
12426         (fnmadddf4_fpr_2): Ditto.
12427         (fnmsubdf4_fpr_1): Ditto.
12428         (fnmsubdf4_fpr_2): Ditto.
12429         (fixuns_truncdfdi2): Add expander for VSX support.
12430         (fix_truncdfdi2): Ditto.
12431         (fix_truncdfsi2): Ditto.
12432         (ftruncdf2): Ditto.
12433         (btruncsf2): Whitespace.
12434         (movdf_hardfloat32): Add support for VSX registers.
12435         (movdf_softfloat32): Ditto.
12436         (movdf_hardfloat64): Ditto.
12437         (movdf_hardfloat64_mfpgpr): Ditto.
12438         (movdf_softfloat64): Ditto.
12439         (movti splitters): Add check for vector registers supporting
12440         TImode in the future.
12441         (bpermd): Add power7 bpermd instruction.
12442
12443         * config/rs6000/altivec.h (vec_div): Define if VSX.
12444         (vec_mul): Ditto.
12445         (vec_msub): Ditto.
12446         (vec_nmadd): Ditto.
12447         (vec_nearbyint): Ditto.
12448         (vec_rint): Ditto.
12449         (vec_sqrt): Ditto.
12450         (all predicates): Use the generic builtin function, and not the V4SF
12451         specific function so that the predicates will work with VSX's V2DF.
12452         (vec_all_*): Ditto.
12453         (vec_any_*): Ditto.
12454
12455         * doc/extend.texi (PowerPC Altivec/VSX Built-in Functions):
12456         Document new VSX functions and types.
12457
12458         * doc/invoke.texi (PowerPc options): Document -mpopcntd, -mvsx
12459         switches.
12460
12461         * doc/md.texi (PowerPC constraints): Document "wd", "wf", "ws",
12462         "wa", and "j" constraints.  Modify "v" to talk about Altivec
12463         instead of just vector.
12464
12465 2009-07-30  Andrew MacLeod  <amacleod@redhat.com>
12466
12467         PR debug/26475
12468         * tree-into-ssa.c (insert_phi_nodes_for, rewrite_add_phi_arguments): Set
12469         location for phi arguments.
12470         (rewrite_update_phi_arguments): Find locations for reaching defs.
12471         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
12472         Add location to add_phi_arg calls.
12473         * tree-loop-districbution.c (update_phis_for_loop_copy): Add locations.
12474         * tree-ssa-loop-manip.c (create_iv, add_exit_phis_edge,
12475         split_loop_exit_edge, tree_transform_and_unroll_loop): Add locations.
12476         * tree-tailcall.c (add_successor_phi_arg, eliminate_tail_call,
12477         create_tailcall_accumulator, tree_optimize_tail_calls_1): Add locations.
12478         * tree.h (struct phi_arg_d): Add location_t to PHI arguments.
12479         * tree-phinodes.c (make_phi_node): Initialize location.
12480         (resize_phi_node): Initialize location to UNKNOWN_LOCATION.
12481         (add_phi_arg): Add location parameter.
12482         (remove_phi_arg_num): Move location when moving phi argument.
12483         * omp-low.c (expand_parallel_call, expand_omp_for_static_chunk): Set
12484         location.
12485         * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop,
12486         slpeel_update_phi_nodes_for_guard1,
12487         slpeel_update_phi_nodes_for_guard2,
12488         slpeel_tree_duplicate_loop_to_edge_cfg, set_prologue_iterations,
12489         vect_loop_versioning): Set locations.
12490         * tree-parloops.c (create_phi_for_local_result,
12491         transform_to_exit_first_loop, create_parallel_loop): Add locations.
12492         * gimple-pretty-print.c (dump_gimple_phi): Dump lineno's if present.
12493         * tree-vect-loop.c (get_initial_def_for_induction,
12494         vect_create_epilog_for_reduction, vect_finalize_reduction): Add
12495         locations.
12496         * tree-flow-inline.h (gimple_phi_arg_location): New.  Return locus.
12497         (gimple_phi_arg_location_from_edge): New.  Return locus from an edge.
12498         (gimple_phi_arg_set_location): New.  Set locus.
12499         (gimple_phi_arg_has_location): New.  Check for locus.
12500         (redirect_edge_var_map_location): New.  Return locus from var_map.
12501         * tree-vect-data-refs.c (vect_setup_realignment): Set location.
12502         * tree-ssa-phiopt.c (conditional_replacement): Set locus when
12503         combining PHI arguments.
12504         (cond_store_replacement): Set location.
12505         * cfgexpand.c (gimple_assign_rhs_to_tree): Transfer locus if possible.
12506         * grpahite.c (add_loop_exit_phis, add_guard_exit_phis,
12507         scop_add_exit_phis_edge): Add locations.
12508         * tree-cfgcleanup.c (remove_forwarder_block,
12509         remove_forwarder_block_with_phi): Add locations.
12510         * tree-ssa-pre.c (insert_into_preds_of_block): Add locations.
12511         * tree-predcom.c (initialize_root_vars, initialize_root_vars_lm): Add
12512         locations.
12513         * tree-ssa-dce.c (forward_edge_to_pdom): Add locations.
12514         * tree-ssa.c (redirect_edge_var_map_add, ssa_redirect_edge,
12515         flush_pending_stmts): Add source location.
12516         * lambda-code.c (perfect_nestify): Maintain location stack with argument
12517         stack to preserve locations.
12518         * tree-vect-stmts.c (vectorizable_load): Add location.
12519         * tree-inline.c (copy_phis_for_bb): Copy locus.
12520         (setup_one_parameter): Add call locus to inlined parameter stmts.
12521         (initialize_inlined_parameters): Pass in call location as parameter
12522         assignment locus.
12523         (tree_function_versioning): Pass location to setup_one_parameter.
12524         * tree-ssa-phiprop.c (phiprop_insert_phi): Set locations.
12525         * tree-outof-ssa.c (struct _elim_graph): Add source_location vecs for
12526         copy and edge lists.
12527         (insert_partition_copy_on_edge, insert_value_copy_on_edge,
12528         insert_rtx_to_part_on_edge, insert_part_to_rtx_on_edge): Provide a
12529         locus parameter and override the stmt default if provided.
12530         (new_elim_graph, clear_elim_graph, delete_elim_graph,
12531         elim_graph_add_edge, elim_graph_remove_succ_edge,
12532         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED, eliminate_build,
12533         elim_forward, elim_unvisited_predecessor, elim_backward, elim_create,
12534         eliminate_phi):  Add locus info in elimination graph for each edge and
12535         value copy.
12536         (insert_backedge_copies): Copy locus if present.
12537         * tree-flow.h (struct _edge_var_map): Add locus field.
12538         * tree-switch_conversions.c (fix_phi_nodes): Add locations.
12539         * tree-cfg.c (reinstall_phi_args, gimple_make_forwarder_block,
12540         add_phi_args_after_copy_edge, gimple_lv_adjust_loop_header_phi): Add
12541         locations.
12542         * ipa-struct-reorg.c (make_edge_and_fix_phis_of_dest): Add locations.
12543
12544 2009-07-30  Martin Jambor  <mjambor@suse.cz>
12545
12546         PR tree-optimization/40570
12547         * ipa-inline.c (cgraph_decide_inlining): Watch out for dead single
12548         use inlining loops.
12549
12550 2009-07-30  Razya Ladelsky <razya@il.ibm.com>
12551
12552         * ssa-loop-manip.c: Include langhooks.h.
12553         (rewrite_phi_with_iv): New.
12554         (rewrite_all_phi_nodes_with_iv): New.
12555         (canonicalize_loop_ivs): Move here from tree-parloops.c.
12556         Remove reduction_list argument. Use rewrite_all_phi_nodes_with_iv.
12557         * tree-parloops.c (loop_parallel_p): Move out all conditions
12558         except dependency check.
12559         (canonicalize_loop_ivs): Move to tree-ssa-loop-manip.c.
12560         (gen_parallel_loop): Call canonicalize_loop_ivs without
12561         reduction_list argument.
12562         (build_new_reduction): New.
12563         (gather_scalar_reductions): New.
12564         (try_get_loop_niter): New.
12565         (try_create_reduction_list): New.
12566         (parallleize_loops): Change the parallel conditions check.
12567         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
12568         * Makefile.in (tree-ssa-loop-manip.o): Add langhooks.h dependency.
12569
12570 2009-07-30  Dave Korn  <dave.korn.cygwin@gmail.com>
12571
12572         * opt-functions.awk (opt_args): Allow argument to be enclosed in
12573         curly braces.
12574         * doc/options.texi (Option properties):  Mention new quoting syntax.
12575
12576 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
12577
12578         * config/alpha/alpha.c (alpha_start_function):
12579         Handle VMS_DEBUG_MAIN_POINTER
12580         * config/alpha/vms.h (VMS_DEBUG_MAIN_POINTER): Define new macro.
12581         * doc/invoke.texi: Document -mdebug-main switch.
12582
12583 2009-07-29  Richard Henderson  <rth@redhat.com>
12584
12585         * cgraph.c (cgraph_set_call_stmt_including_clones): Tidy.
12586         (cgraph_create_edge_including_clones): Likewise.
12587         * tree-inline.c (copy_bb): Operate on the correct edges
12588         when updating the callgraph.
12589
12590 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
12591
12592         * config/alpha/vms-cc.c: Deleted.
12593         * config/alpha/vms-ld.c: Deleted.
12594         * config/alpha/t-vms64: Moved to config/vms
12595         * config/alpha/vms-crt0-64.c: Moved to config/vms
12596         * config/alpha/vms-crt0.c: Moved to config/vms
12597         * config/alpha/vms-psxcrt0-64.c: Moved to config/vms
12598         * config/alpha/vms-psxcrt0.c: Moved to config/vms
12599         * config/alpha/xm-vms.h: Moved to config/vms
12600         * config/alpha/x-vms: Moved to config/vms
12601         * config/alpha/t-vms (vcrt0.o, pcrt0.o): Move rules to new file
12602         config/vms/t-vms.
12603         * config/vms/t-vms: Moved here from config/alpha. Alpha specific
12604         parts removed. (STMP_FIXPROTO, STMP_FIXINC, LIMITS_H_TEST): Set.
12605         (version): Set.
12606         * config/vms/t-vms64: Moved here from config/alpha
12607         * config/vms/vms-crt0-64.c: Moved here from config/alpha.
12608         (argc,argv,envp): Enforce 32bit malloc'ing.
12609         * config/vms/vms-psxcrt0-64.c: Likewise.
12610         * config/vms/vms-crt0.c: Moved here from config/alpha.
12611         * config/vms/vms-psxcrt0.c: Likewise.
12612         * config/vms/vms-crtl-64.h: New file.
12613         * config/vms/vms-crtl.h: New file.
12614         * config/vms/vms.opt: New file.
12615         * config/vms/xm-vms64.h: New file.
12616         * config/vms/xm-vms.h: Moved here from config/alpha.
12617         (STANARD_EXEC_PREFIX, STANDARD_STARTFILE_PREFIX, STANDARD_INCLUDE_DIR):
12618         Set.
12619         * config/vms/x-vms: Moved here from config/alpha.
12620         (version, VMS_EXTRA_PARTS): Moved to t-vms.
12621         (vms-ld.o, vms-cc.o): Removed.
12622         (LN, LN_S, USE_COLLECT2, POD2MAN): Set.
12623
12624 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
12625
12626         * dwarf2out.c (add_name_and_src_coords_attributes): Push on the
12627         correct stack (obvious VMS fix).
12628
12629 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
12630
12631         * dwarf2out.c (output_file_names): Output VMS style file name, size,
12632         date, version info if VMS_DEBUGGING_INFO defined.
12633         * vmsdgbout.c (vms_file_stats_name): New functon. VMS style file name,
12634         size, date calculating code moved here.
12635
12636 2009-07-29  Paul Brook  <paul@codesourcery.com>
12637
12638         * config/arm/lib1funcs.asm (clear_cache): Use ARM_FUNC_START and
12639         do_push/do_pop.
12640
12641 2009-07-29  Uros Bizjak  <ubizjak@gmail.com>
12642
12643         PR target/40577
12644         * config/alpha/alpha.c (alpha_expand_unaligned_store): Convert src
12645         to DImode when generating insq_le insn.
12646
12647 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
12648
12649         * dwarf2out.c (DWARF2_INDIRECT_STRING_SUPPORT_MISSING_ON_TARGET):
12650         New macro set for VMS_DEBUGGGING_INFO.
12651         (AT_string_form): Use it.
12652
12653 2009-07-28  DJ Delorie  <dj@redhat.com>
12654
12655         * config/mep/mep.c (vtext_section): New.
12656         (vftext_section): New.
12657         (ftext_section): New.
12658         (mep_select_section): Add support for functions.
12659         (mep_unique_section): Likewise.
12660         (mep_asm_init_sections): Likewise.
12661         (mep_encode_section_info): Remove it from here.
12662
12663         * config/mep/mep.h (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
12664
12665 2009-07-28  Paolo Bonzini  <bonzinI@gnu.org>
12666
12667         * tree.h (TREE_DEPRECATED): Document it is used for types too.
12668         (TYPE_VECTOR_OPAQUE): Use default_def_flag
12669
12670 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
12671
12672         * dwarf2out.c (output_file_names): Test new macro
12673         DWARF2_DIR_SHOULD_END_WITH_SEPARATOR.
12674         (add_comp_dir_attribute): Likewise.
12675
12676 2009-07-28  Kai Tietz  <kai.tietz@onevision.com>
12677
12678         * config/i386/mingw-w64.h (LINK_SPEC): Add
12679         separating space between commands.
12680
12681 2009-07-28  Jan Hubicka  <jh@suse.cz>
12682
12683         PR tree-optimization/40759
12684         * tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses
12685         for renaming.
12686
12687 2009-07-27  DJ Delorie  <dj@redhat.com>
12688
12689         * config/mep/mep.c (mep_expand_builtin_saveregs): Make sure 64-bit
12690         types are dword-aligned.
12691         (mep_expand_va_start): Likewise.
12692
12693 2009-07-27  Olivier Hainque  <hainque@adacore.com>
12694             Douglas B Rupp  <rupp@gnat.com>
12695
12696         * convert.c (convert_to_pointer): Don't assume the target
12697         pointer type is POINTER_SIZE long. Fetch its precision instead.
12698
12699 2009-07-27  Douglas B Rupp  <rupp@gnat.com>
12700
12701         * system.h (fopen): Undefine if macro.
12702
12703 2009-07-27  Jakub Jelinek  <jakub@redhat.com>
12704
12705         * dwarf2out.c (output_cfi_p): Removed.
12706         (output_cfis): New function.
12707         (output_fde): New function, split from output_call_frame_info.
12708         (output_call_frame_info): Use it.
12709         (dwarf2out_switch_text_section): Use output_cfis.
12710
12711 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
12712
12713         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Error build when
12714         TARGET_BI_ARCH is specified without enabling SJLJ.
12715         * config/i386/mingw32.h (MD_UNWIND_SUPPORT): Define MD_UNWIND_SUPPORT,
12716         if TARGET_64BIT and TARGET_BI_ARCH aren't defined.
12717
12718 2009-07-26  Mikael Pettersson <mikpe@it.uu.se>
12719
12720         * arm.md (negdi2): Use DImode if forcing a value into a register.
12721
12722 2009-07-26  Ira Rosen  <irar@il.ibm.com>
12723
12724         PR tree-optimization/40801
12725         * tree-vect-stmts.c (vectorizable_call): Get previous copy
12726         of vector operand from the previous copy of vector statement.
12727         Pass the correct definition type value to
12728         vect_get_vec_def_for_stmt_copy().
12729
12730 2009-07-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12731
12732         * collect2.c (scan_libraries): Use CONST_CAST2 to perform char ** to
12733         const char ** conversion.
12734
12735 2009-07-25 David Daney <ddaney@caviumnetworks.com>
12736
12737         * system.h (gcc_assert): Invoke __builtin_unreachable() instead of
12738         fancy_abort() if !ENABLE_ASSERT_CHECKING.
12739         (gcc_unreachable): Invoke __builtin_unreachable() if
12740         !ENABLE_ASSERT_CHECKING.
12741
12742 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
12743
12744         PR rtl-optimization/40445
12745         * emit-rtl.c (next_nonnote_insn_bb): New function.
12746         * rtl.h (next_nonnote_insn_bb): Declare new function.
12747         * cfgcleanup.c (try_optimize_cfg): Don't remove an empty block
12748         with no successors that is the successor of the ENTRY_BLOCK.
12749         Continue from the top after removing an empty fallthrough block.
12750         * cfgrtl.c (get_last_bb_insn): Call next_nonnote_insn_bb instead
12751         of next_nonnote_insn.
12752
12753 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
12754
12755         * cfgcleanup.c (old_insns_match_p): Handle the case of empty blocks.
12756
12757 2009-07-25  Martin Jambor  <mjambor@suse.cz>
12758
12759         * c-common.c (c_common_attribute_table): New element for noclone.
12760         (handle_noclone_attribute): New function. Forward-declare.
12761         * tree-inline.c (tree_versionable_function_p): Check for noclone
12762         attribute.
12763         * doc/extend.texi (Labels as Values): Document need for noclone.
12764         (Function Attributes): Document noclone attribute.
12765
12766 2009-07-25  Jakub Jelinek  <jakub@redhat.com>
12767
12768         PR rtl-optimization/34999
12769         * dwarf2out.c (struct dw_fde_struct): Add dw_fde_switch_cfi
12770         and dw_fde_switched_cold_to_hot fields.
12771         (output_cfi_p): New function.
12772         (output_call_frame_info): If fde->dw_fde_switched_sections,
12773         output 2 FDEs instead of one with corrupted header.
12774         (dwarf2out_do_cfi_startproc): New function.
12775         (dwarf2out_begin_prologue): Use it.  Initialize fde->dw_fde_switch_cfi
12776         and fde->dw_fde_switched_cold_to_hot.
12777         (dwarf2out_switch_text_section): Compute
12778         fde->dw_fde_switched_cold_to_hot.  Switch to new text section here.
12779         If dwarf2out_do_cfi_asm, emit .cfi_endproc before it and call
12780         dwarf2out_do_cfi_startproc plus emit again currently active CFI insns.
12781         Otherwise, compute fde->dw_fde_switch_cfi.
12782
12783 2009-07-24  Cary Coutant  <ccoutant@google.com>
12784
12785         * tree-cfg.c (assign_discriminator): Add explicit parentheses.
12786
12787 2009-07-24  Cary Coutant  <ccoutant@google.com>
12788
12789         * cfghooks.c (split_block): Copy discriminator to new block.
12790         * tree-cfg.c (assign_discriminator): Check location of last
12791         instruction in block as well as first.
12792
12793 2009-07-24  Uros Bizjak  <ubizjak@gmail.com>
12794
12795         * config/i386/linux.c: Use fputs or putc instead of fprintf
12796         where appropriate.
12797         * config/i386/gas.h: Ditto.
12798         * config/i386/x86-64.h: Ditto.
12799         * config/i386/att.h: Ditto.
12800
12801 2009-07-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
12802
12803         * expmed.c (emit_store_flag): Use a recursive call to optimize the
12804         xor case.
12805
12806 2009-07-24  Martin Jambor  <mjambor@suse.cz>
12807
12808         * ipa-prop.h (struct ipa_node_params): New flag node_enqued.
12809         (ipa_push_func_to_list_1): Declare.
12810         (ipa_push_func_to_list): New function.
12811
12812         * ipa-prop.c (ipa_push_func_to_list_1): New function.
12813         (ipa_init_func_list): Call ipa_push_func_to_list_1.
12814         (ipa_push_func_to_list): Removed.
12815         (ipa_pop_func_from_list): Clear node_enqueued flag.
12816
12817 2009-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
12818
12819         * config/s390/s390.c (override_options): Default
12820         max-unrolled-insns to 100 for z10 tuning.
12821
12822 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
12823
12824         * Makefile.in (TREE_DATA_REF_H, tree-vrp.o, tree-cfg.o, tree-if-conv.o
12825         tree-ssa-loop.o, tree-ssa-loop-niter.o, tree-ssa-loop-ivcanon.o,
12826         tree-ssa-loop-prefetch.o, tree-predcom.o, tree-affine.o,
12827         tree-scalar-evolution.o, tree-data-ref.o, tree-vect-loop.o,
12828         tree-vect-data-refs.o, tree-loop-linear.o, tree-loop-distribution.o
12829         tree-parloops.o, tree-pretty-printer.o, fold-const.o, tree-ssa-dce.o,
12830         lambda-code.o, params.o): Cleanup use of SCEV_H and TREE_DATA_REF_H.
12831
12832 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
12833
12834         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR): Remove and
12835         use default set in mingw32.h header.
12836         * config/i386/mingw32.h (STANDARD_INCLUDE_DIR): Use for 32-bit and
12837         64-bit /mingw/include path.
12838         (STANDARD_STARTFILE_PREFIX_1): Use for 32-bit and 64-bit /mingw/lib
12839         path.
12840
12841 2009-07-23  Neil Vachharajani  <nvachhar@google.com>
12842
12843         PR rtl-optimization/40209
12844         * loop-iv.c (iv_analysis_loop_init): Call df_note_add_problem.
12845
12846 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
12847
12848         * config/i386/i386.c: Use ASM_LONG instead of .long.  Concatenate
12849         ASM_LONG, LPREFIX, MCOUNT_NAME and PROFILE_COUNT_REGISTER strings
12850         with the rest of string where appropriate.  Use fputs or putc
12851         instead of fprintf where appropriate.
12852
12853 2009-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
12854             Pat Haugen  <pthaugen@us.ibm.com>
12855             Revital Eres <ERES@il.ibm.com>
12856
12857         * config/rs6000/vector.md: New file.  Move most of the vector
12858         expander support here from altivec.md to allow for the VSX vector
12859         unit in the future.  Add support for secondary_reload patterns.
12860         Rewrite the patterns for vector comparison, and vector comparison
12861         predicate instructions so that the RTL expresses the desired
12862         behavior, instead of using unspec.
12863
12864         * config/rs6000/constraints.md ("f" constraint): Use
12865         rs6000_constraints to hold the precalculated register class.
12866         ("d" constraint): Ditto.
12867         ("wd" constraint): New constraint for VSX.
12868         ("wf" constraint): Ditto.
12869         ("ws" constraint): Ditto.
12870         ("wa" constraint): Ditto.
12871         ("wZ" constraint): Ditto.
12872         ("j" constraint): Ditto.
12873
12874         * config/rs6000/predicates.md (vsx_register_operand): New
12875         predicate for VSX.
12876         (vfloat_operand): New predicate for vector.md.
12877         (vint_operand): Ditto.
12878         (vlogical_operand): Ditto.
12879         (easy_fp_constant): If VSX, 0.0 is an easy constant.
12880         (easy_vector_constant): Add VSX support.
12881         (altivec_indexed_or_indirect_operand): New predicate for
12882         recognizing Altivec style memory references with AND -16.
12883
12884         * config/rs6000/rs6000.c (rs6000_vector_reload): New static global
12885         for vector secondary reload support.
12886         (rs6000_vector_reg_class): Delete, replacing it with
12887         rs6000_constraints.
12888         (rs6000_vsx_reg_class): Ditto.
12889         (rs6000_constraints): New array to hold the register classes of
12890         each of the register constraints that can vary at runtime.
12891         (builtin_mode_to_type): New static array for builtin function type
12892         creation.
12893         (builtin_hash_table): New static hash table for builtin function
12894         type creation.
12895         (TARGET_SECONDARY_RELOAD): Define target hook.
12896         (TARGET_IRA_COVER_CLASSES): Ditto.
12897         (rs6000_hard_regno_nregs_internal): If -mvsx, floating point
12898         registers are 128 bits if VSX memory reference instructions are used.
12899         (rs6000_hard_regno_mode_ok): For VSX, only check if the VSX memory
12900         unit is being used.
12901         (rs6000_debug_vector_unit): Move into rs6000_debug_reg_global.
12902         (rs6000_debug_reg_global): Move -mdebug=reg statements here.
12903         Print several of the scheduling related parameters.
12904         (rs6000_init_hard_regno_mode_ok): Switch to putting constraints in
12905         rs6000_constraints instead of rs6000_vector_reg_class.  Move
12906         -mdebug=reg code to rs6000_debug_reg_global.  Add support for
12907         -mvsx-align-128 debug switch.  Drop testing float_p if VSX or
12908         Altivec.  Add VSX support.  Setup for secondary reload support on
12909         Altivec/VSX registers.
12910         (rs6000_override_options): Make power7 set the scheduling groups
12911         like the power5.  Add support for new debug switches to override
12912         the scheduling defaults.  Temporarily disable -mcpu=power7 from
12913         setting -mvsx.  Add support for debug switches -malways-hint,
12914         -msched-groups, and -malign-branch-targets.
12915         (rs6000_buitlin_conversion): Add support for returning unsigned
12916         vector conversion functions to fix regressions due to stricter
12917         type checking.
12918         (rs6000_builtin_mul_widen_even): Ditto.
12919         (rs6000_builtin_mul_widen_odd): Ditto.
12920         (rs6000_builtin_vec_perm): Ditto.
12921         (rs6000_vec_const_move): On VSX, use xxlxor to clear register.
12922         (rs6000_expand_vector_init): Initial VSX support for using xxlxor
12923         to zero a register.
12924         (rs6000_emit_move): Fixup invalid const symbol_ref+reg that is
12925         generated upstream.
12926         (bdesc_3arg): Add builtins for unsigned types.  Add builtins for
12927         VSX types for bit operations.  Changes to accomidate vector.md.
12928         (bdesc_2arg): Ditto.
12929         (bdesc_1arg): Ditto.
12930         (struct builtin_description_predicates): Rewrite predicate
12931         handling so that RTL describes the operation, instead of passing
12932         the instruction to be used as a string argument.
12933         (bdesc_altivec_preds): Ditto.
12934         (altivec_expand_predicate_builtin): Ditto.
12935         (altivec_expand_builtin): Ditto.
12936         (rs6000_expand_ternop_builtin): Use a switch instead of an if
12937         statement for vsldoi support.
12938         (altivec_expand_ld_builtin): Change to use new names from vector.md.
12939         (altivec_expand_st_builtin): Ditto.
12940         (paired_expand_builtin): Whitespace changes.
12941         (rs6000_init_builtins): Add V2DF/V2DI types.  Initialize the
12942         builtin_mode_to_type table for secondary reload.  Call
12943         builtin_function_type to build random builtin functions.
12944         (altivec_init_builtins): Change to use builtin_function_type to
12945         create builtin function types dynamically as we need them.
12946         (builtin_hash_function): New support for hashing the tree types
12947         for builtin function as we need it, rather than trying to build
12948         all of the trees that we need.  Add initial preliminary VSX support.
12949         (builtin_function_type): Ditto.
12950         (builtin_function_eq): Ditto.
12951         (builtin_hash_struct): Ditto.
12952         (rs6000_init_builtins): Ditto.
12953         (rs6000_common_init_builtins): Ditto.
12954         (altivec_init_builtins): Ditto.
12955         (rs6000_common_init_builtins): Ditto.
12956         (enum reload_reg_type): New enum for simplifing reg classes.
12957         (rs6000_reload_register_type): Simplify register classes into GPR,
12958         Vector, and other registers.  Altivec and VSX addresses in reload.
12959         (rs6000_secondary_reload_inner): Ditto.
12960         (rs6000_ira_cover_classes): New target hook, that returns the
12961         appropriate cover classes, based on -mvsx being used or not.
12962         (rs6000_secondary_reload_class): Add VSX support.
12963         (get_vec_cmp_insn): Delete, rewrite vector conditionals.
12964         (get_vsel_insn): Ditto.
12965         (rs6000_emit_vector_compare): Rewrite vector conditional support
12966         so that where we can, we use RTL operators, instead of blindly use
12967         UNSPEC.
12968         (rs6000_emit_vector_select): Ditto.
12969         (rs6000_emit_vector_cond_expr): Ditto.
12970         (rs6000_emit_minmax): Directly generate min/max under altivec, vsx.
12971         (create_TOC_reference): Add -mdebug=addr support.
12972         (emit_frame_save): VSX loads/stores need register indexed addressing.
12973
12974         * config/rs6000/rs6000.md: Include vector.md.
12975
12976         * config/rs6000/t-rs6000 (MD_INCLUDES): Add vector.md.
12977
12978         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
12979         support for V2DI, V2DF in logical, permute, select operations.
12980
12981         * config/rs6000/rs6000.opt (-mvsx-scalar-double): Add new debug
12982         switch for vsx/power7.
12983         (-mvsx-scalar-memory): Ditto.
12984         (-mvsx-align-128): Ditto.
12985         (-mallow-movmisalign): Ditto.
12986         (-mallow-df-permute): Ditto.
12987         (-msched-groups): Ditto.
12988         (-malways-hint): Ditto.
12989         (-malign-branch-targets): Ditto.
12990
12991         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Delete, use target
12992         hook instead.
12993         (IRA_COVER_CLASSES_PRE_VSX): Cover classes if not -mvsx.
12994         (IRA_COVER_CLASSES_VSX): Cover classes if -mvsx.
12995         (rs6000_vector_reg_class): Delete.
12996         (rs6000_vsx_reg_class): Ditto.
12997         (enum rs6000_reg_class_enum): New enum for the constraints that
12998         vary based on target switches.
12999         (rs6000_constraints): New array to hold the register class for all
13000         of the register constraints that vary based on the switches used.
13001         (ALTIVEC_BUILTIN_*_UNS): Add unsigned builtin functions.
13002         (enum rs6000_builtins): Add unsigned varients for the builtin
13003         declarations returned by target hooks for expanding multiplies,
13004         select, and permute operations.  Add VSX builtins.
13005         (enum rs6000_builtin_type_index): Add entries for VSX.
13006         (V2DI_type_node): Ditto.
13007         (V2DF_type_node): Ditto.
13008         (unsigned_V2DI_type_node): Ditto.
13009         (bool_long_type_node): Ditto.
13010         (intDI_type_internal_node): Ditto.
13011         (uintDI_type_internal_node): Ditto.
13012         (double_type_internal_node): Ditto.
13013
13014         * config/rs6000/altivec.md (whole file): Move all expanders to
13015         vector.md from altivec.md.  Rename insn matching functions to be
13016         altivec_foo.
13017         (UNSPEC_VCMP*): Delete, rewrite vector comparisons.
13018         (altivec_vcmp*): Ditto.
13019         (UNSPEC_VPERM_UNS): New, add for unsigned types using vperm.
13020         (VM): New iterator for moves that includes the VSX types.
13021         (altivec_vperm_<mode>): Add VSX types.  Add unsigned types.
13022         (altivec_vperm_<mode>_uns): New, for unsigned types.
13023         (altivec_vsel_*): Rewrite vector comparisons and predicate builtins.
13024         (altivec_eq<mode>): Ditto.
13025         (altivec_gt<mode>): Ditto.
13026         (altivec_gtu<mode>): Ditto.
13027         (altivec_eqv4sf): Ditto.
13028         (altivec_gev4sf): Ditto.
13029         (altivec_gtv4sf): Ditto.
13030         (altivec_vcmpbfp_p): Ditto.
13031
13032 2009-07-23  Richard Earnshaw  <rearnsha@arm.com>
13033
13034         * arm.md (split for ior/xor with shift and zero-extend): Cast op3 to
13035         unsigned HWI.
13036
13037 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
13038
13039         PR target/40832
13040         * config/i386/i386.c (output_387_ffreep): Rewrite to use
13041         ASM_SHORT instead of .word.
13042         * config/i386/i386.md (*tls_global_dynamic_64): Use ASM_SHORT
13043         instead of .word in asm template.
13044
13045 2009-07-22  Vladimir Makarov  <vmakarov@redhat.com>
13046
13047         PR target/37488
13048         * ira-lives.c (bb_has_abnormal_call_pred): New function.
13049         (process_bb_node_lives): Use it.
13050
13051         * ira.c (setup_cover_and_important_classes): Don't setup
13052         ira_important_class_nums.  Add cover classes to the end of
13053         important classes.
13054         (cover_class_order, comp_reg_classes_func, reorder_important_classes):
13055         New.
13056         (find_reg_class_closure): Use reorder_important_classes.
13057
13058         * config/i386/i386.h (IRA_COVER_CLASSES): Remove.
13059
13060         * config/i386/i386.c (i386_ira_cover_classes): New function.
13061         (TARGET_IRA_COVER_CLASSES): Redefine.
13062
13063         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Add a comment about
13064         importance of order of cover classes in the array.
13065
13066 2009-07-22  Diego Novillo  <dnovillo@google.com>
13067
13068         * tree-pass.h (TDF_EH): Define.
13069         * gimple-pretty-print.c (dump_gimple_stmt): If FLAGS
13070         contains TDF_EH, print the EH region number holding GS.
13071         * tree-dump.c (dump_options): Add "eh".
13072         * doc/invoke.texi: Document it.
13073
13074 2009-07-22  Doug Kwan  <dougkwan@google.com>
13075
13076         * config/arm/arm.md (subdi3) Copy non-reg values to DImode registers.
13077
13078 2009-07-22  Michael Matz  <matz@suse.de>
13079
13080         PR tree-optimization/35229
13081         PR tree-optimization/39300
13082
13083         * tree-ssa-pre.c (includes): Include tree-scalar-evolution.h.
13084         (inhibit_phi_insertion): New function.
13085         (insert_into_preds_of_block): Call it for REFERENCEs.
13086         (init_pre): Initialize and finalize scalar evolutions.
13087         * Makefile.in (tree-ssa-pre.o): Depend on tree-scalar-evolution.h .
13088
13089 2009-07-22  Uros Bizjak  <ubizjak@gmail.com>
13090
13091         * config/i386/predicates.md (zero_extended_scalar_load_operand):
13092         Use CONST_VECTOR_NUNITS to determine number of elements.
13093
13094 2009-07-22  Andreas Krebbel  <krebbel1@de.ibm.com>
13095
13096         * config/s390/constraints.md (ZQ, ZR, ZS, ZT): New constraints.
13097         (U, W): Constraints are now deprecated and will be removed if we
13098         run out of letters.
13099         * config/s390/s390.md (U, W): Replaced with ZQZR, ZSZT throughout
13100         the file.
13101         ("prefetch"): Add the stcmh instruction for prefetching.
13102         * config/s390/s390.c (s390_symref_operand_p): Function moved. No
13103         changes.
13104         (s390_short_displacement): Return always true if compiling for
13105         machines not providing the long displacement facility.
13106         (s390_mem_constraint): Support the new constraint letter Z.
13107         (s390_check_qrst_address): New function.
13108
13109 2009-07-21  DJ Delorie  <dj@redhat.com>
13110
13111         * config/mep/mep.c (mep_legitimize_arg): Leave control registers
13112         alone too.
13113
13114 2009-07-21  Jason Merrill  <jason@redhat.com>
13115
13116         * c-common.c (max_tinst_depth): Increase default to 1024.
13117
13118 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
13119
13120         * config/i386/sse.md (vec_unpacku_float_hi_v4si): New expander.
13121         (vec_unpacku_float_lo_v4si): Ditto.
13122
13123 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
13124
13125         PR target/40811
13126         * config/i386/sse.md (sse2_cvtudq2ps): New expander.
13127         (enum ix86_builtins): Add IX86_BUILTIN_CVTUDQ2PS.
13128         (builtin_description): Add __builtin_ia32_cvtudq2ps.
13129         (ix86_vectorize_builtin_conversion): Handle IX86_BUILTIN_CVTUDQ2PS.
13130
13131 2009-07-21  Jakub Jelinek  <jakub@redhat.com>
13132
13133         PR tree-optimization/40813
13134         * tree-inline.c (copy_bb): Regimplify RHS after last stmt, not before
13135         it.
13136
13137 2009-07-21  Kaz Kojima  <kkojima@gcc.gnu.org>
13138
13139         * config/sh/sh.c (sh_gimplify_va_arg_expr): Wrap the result
13140         with a NOP_EXPR if needed.
13141
13142 2009-07-21  Paul Brook <paul@codesourcery.com>
13143
13144         * tree-vectorizer.c (increase_alignment): Handle nested arrays.
13145         Terminate debug dump with newline.
13146
13147 2009-07-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13148
13149         * pa.c (compute_zdepwi_operands): Limit deposit length to 32 - lsb.
13150         Cast "1" to unsigned HOST_WIDE_INT.
13151         (compute_zdepdi_operands): Limit maximum length to 64 bits.  Limit
13152         deposit length to the maximum length - lsb.  Extend length if
13153         HOST_BITS_PER_WIDE_INT is 32.
13154
13155 2009-07-20  Olatunji Ruwase <tjruwase@google.com>
13156
13157         * cgraph.h (constant_pool_htab): New function.
13158         (constant_descriptor_tree): Move from varasm.c.
13159         * varasm.c (constant_pool_htab): New function.
13160         (constant_descriptor_tree): Move to cgraph.h.
13161
13162 2009-07-20  Olatunji Ruwase  <tjruwase@google.com>
13163
13164         * toplev.c: Invoke FINISH_UNIT callbacks before call to finalize().
13165
13166 2009-07-20  Shujing Zhao  <pearly.zhao@oracle.com>
13167
13168         * Makefile.in (TREE_INLINE_H, tree-inline.o, cgraph.o): Remove
13169         $(VARRAY_H).
13170
13171 2009-07-20  Xinliang David Li  <davidxl@google.com>
13172
13173         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add length check.
13174
13175 2009-07-20  Adam Nemet  <anemet@caviumnetworks.com>
13176
13177         * config/mips/mips.md (move_type): Add arith.
13178         (type): Handle arith.
13179         (zero_extendsidi2): Rename this into ...
13180         (*zero_extendsidi2): ... this.  Don't match if ISA_HAS_EXT_INS.
13181         (zero_extendsidi2): New expander.
13182         (*zero_extendsidi2_dext): New pattern.
13183
13184 2009-07-20  Nick Clifton  <nickc@redhat.com>
13185
13186         * config.gcc (mips64-*-*): Add definition of tm_defines in order
13187         to set MIPS_ABI_DEFAULT.
13188         * config/mips/vr.h (MIPS_ABI_DEFAULT): Remove definition.
13189
13190 2009-07-20  Jakub Jelinek  <jakub@redhat.com>
13191
13192         * tree-object-size.c (addr_object_size): Handle unions with
13193         array in it as last field of structs in __bos (, 1) as __bos (, 0).
13194
13195         PR tree-optimization/40792
13196         * tree.c (build_function_type_skip_args): Remove bogus assert.
13197
13198 2009-07-20  Jan Hubicka  <jh@suse.cz>
13199             Martin Jambor  <mjambor@suse.cz>
13200
13201         * cgraph.h (combined_args_to_skip): New field.
13202         * cgraph.c (cgraph_create_virtual_clone): Properly handle
13203         combined_args_to_skip and args_to_skip.
13204         * tree-inline.c (update_clone_info): New function.
13205         (tree_function_versioning): Call update_clone_info.
13206         * cgraphunit.c (cgraph_materialize_clone): Dump materialized
13207         functions.
13208         (cgraph_materialize_all_clones): More extensive dumping, working
13209         with combined_args_to_skip rather than args_to_skip.
13210
13211 2009-07-20  Ira Rosen  <irar@il.ibm.com>
13212
13213         * tree-vectorizer.h (vectorizable_condition): Add parameters.
13214         * tree-vect-loop.c (vect_is_simple_reduction): Support COND_EXPR.
13215         (get_initial_def_for_reduction): Likewise.
13216         (vectorizable_reduction): Skip the check of first operand in case
13217         of COND_EXPR. Add check that it is outer loop vectorization if
13218         nested cycle was detected. Call vectorizable_condition() for
13219         COND_EXPR. If reduction epilogue cannot be created do not fail for
13220         nested cycles (if it is not double reduction). Assert that there
13221         is only one type in the loop in case of COND_EXPR. Call
13222         vectorizable_condition() to vectorize COND_EXPR.
13223         * tree-vect-stmts.c (vectorizable_condition): Update comment.
13224         Add parameters. Allow nested cycles if called from
13225         vectorizable_reduction(). Use reduction vector variable if provided.
13226         (vect_analyze_stmt): Call vectorizable_reduction() before
13227         vectorizable_condition().
13228         (vect_transform_stmt): Update call to vectorizable_condition().
13229
13230 2009-07-20  Christian Bruel  <christian.bruel@st.com>
13231
13232         * config/sh/sh.opt (-mfmovd): Resurrect and document.
13233         * doc/invoke.texi (-mfmovd): Likewise.
13234         * config/sh/sh.h (TARGET_FMOVD, MASK_FMOVD): Remove default setting.
13235
13236 2009-07-20  Jan Hubicka  <jh@suse.cz>
13237
13238         * tree-ssa-dce.c (remove_dead_phis): Only look for abnormal PHIs
13239         when handling SSA name.
13240
13241 2009-07-19  Jan Hubicka  <jh@suse.cz>
13242
13243         PR tree-optimization/40676
13244         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do renaming on all
13245         virtual PHIs in empty BBs.
13246
13247 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
13248
13249         * combine.c (make_compound_operation) <SUBREG>: If force_to_mode
13250         re-expanded the compound use gen_lowpart instead to convert to the
13251         desired mode.
13252
13253 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
13254
13255         * combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and
13256         OUTER_CONST arguments.
13257         <LSHIFTRT>: Use them to allow widening if the bits shifted in from
13258         the new wider mode will be masked off.
13259         (simplify_shift_const_1): Adjust calls to try_widen_shift_mode.
13260
13261 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
13262
13263         * combine.c (try_widen_shift_mode) <LSHIFTRT>: Allow widening if the
13264         high-order bits are zero.
13265
13266 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
13267
13268         * combine.c (simplify_shift_const_1): Split code to determine
13269         shift_mode into ...
13270         (try_widen_shift_mode): ... here.  Allow widening for ASHIFTRT if the
13271         new bits shifted in are identical to the old sign bit.
13272
13273 2009-07-18  Richard Guenther  <rguenther@suse.de>
13274
13275         PR c/40787
13276         * gimplify.c (gimplify_call_expr): Reject code using results from
13277         functions returning void.
13278
13279 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
13280
13281         * doc/md.texi: Document the new PowerPC "es" constraint.
13282         Document that "m" can include automodified addresses on this target,
13283         and explain how %U must be used.  Extend the "Q" and "Z" documentation
13284         to suggest "es" as well as "m".
13285         * config/rs6000/constraints.md (es): New memory constraint.
13286         (Q, Z): Update strings to match new documentation.
13287
13288 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
13289
13290         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Allow any
13291         offset from virtual_stack_vars_rtx and arg_pointer_rtx.
13292         * config/rs6000/predicates.md (volatile_mem_operand): Use
13293         offsettable_nonstrict_memref_p.
13294         * config/rs6000/rs6000.md (*floatsidf2_internal): Remove split check.
13295         (*floatunssidf2_internal): Likewise.
13296         (*fix_truncdfsi2_internal): Likewise.
13297         (*fix_trunctfsi2_internal): Likewise.
13298
13299 2009-07-17  Anatoly Sokolov  <aesok@post.ru>
13300
13301         * config/avr/avr-devices.c (avr_mcu_t): Add atmega8u2, atmega16u2 and
13302         atmega32u2 devices.
13303         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
13304
13305 2009-07-17  Richard Guenther  <rguenther@suse.de>
13306
13307         PR c/40401
13308         * tree-pass.h (pass_diagnose_omp_blocks): Declare.
13309         (pass_warn_unused_result): Likewise.
13310         (TODO_set_props): Remove.
13311         * omp-low.c (diagnose_omp_structured_block_errors): Change to
13312         run as a pass.
13313         (pass_diagnose_omp_blocks): Define.
13314         * c-decl.c (pop_file_scope): Do not finalize the CU here.
13315         (c_gimple_diagnostics_recursively): Remove.
13316         (finish_function): Do not call it.
13317         (c_write_global_declarations): Continue after errors.
13318         Finalize the CU here.
13319         * c-gimplify.c (c_genericize): Do not gimplify here.
13320         * c-common.c (c_warn_unused_result): Move ...
13321         * tree-cfg.c (do_warn_unused_result): ... here.
13322         (run_warn_unused_result): New function.
13323         (gate_warn_unused_result): New function.
13324         (pass_warn_unused_result): New pass.
13325         * c-common.h (c_warn_unused_result): Remove.
13326         * flags.h (flag_warn_unused_result): Declare.
13327         * c-opts.c (c_common_init_options): Enable flag_warn_unused_result.
13328         * opts.c (flag_warn_unused_result): Initialize to false.
13329         * toplev.c (compile_file): Add comment.
13330         * omp-low.c (create_omp_child_function): Do not register
13331         the function with the frontend.
13332         (diagnose_omp_structured_block_errors): Prepare to be
13333         called as optimization pass.
13334         (gate_diagnose_omp_blocks): New function.
13335         (pass_diagnose_omp_blocks): New pass.
13336         * cgraph.h (cgraph_optimize): Remove.
13337         (cgraph_analyze_function): Likewise.
13338         * cgraph.c (cgraph_add_new_function): Gimplify C++ thunks.
13339         * cgraphunit.c (cgraph_lower_function): Lower nested functions
13340         before their parents here.
13341         (cgraph_finalize_function): Not here.
13342         (cgraph_analyze_function): Gimplify functions here.
13343         (cgraph_finalize_compilation_unit): Continue after errors.
13344         Optimize the callgraph from here.
13345         (cgraph_optimize): Make static.
13346         * langhooks.c (write_global_declarations): Finalize the CU.
13347         * gimplify.c (gimplify_asm_expr): Do not emit ASMs with errors.
13348         (gimplify_function_tree): Assert we gimplify only once.
13349         Set PROP_gimple_any property.
13350         * tree-nested.c (gimplify_all_functions): New function.
13351         (lower_nested_functions): Gimplify all nested functions.
13352         * gimple.h (diagnose_omp_structured_block_errors): Remove.
13353         * passes.c (init_optimization_passes): Add pass_warn_unused_result
13354         and pass_diagnose_omp_blocks after gimplification.  Do not
13355         set TODO_set_props on all_lowering_passes.
13356         (execute_one_pass): Do not handle TODO_set_props.
13357         * Makefile.in (cgraphunit.o): Add $(TREE_DUMP_H) dependency.
13358         (gimplify.o): Add tree-pass.h dependency.
13359         * tree-inline.c (copy_statement_list): Properly copy STATEMENT_LIST.
13360         (copy_tree_body_r): Properly handle TARGET_EXPR like SAVE_EXPR.
13361         (unsave_r): Likewise.
13362         * c-omp.c (c_finish_omp_atomic): Set DECL_CONTEXT on the
13363         temporary variable.
13364
13365 2009-07-17  Sandra Loosemore  <sandra@codesourcery.com>
13366
13367         * doc/service.texi (Service): Restore previously removed link,
13368         which isn't broken after all.
13369
13370 2009-07-17  Richard Guenther  <rguenther@suse.de>
13371
13372         PR tree-optimization/40321
13373         * tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
13374         PHI nodes to the maximal set.
13375         (make_values_for_phi): Add PHI arguments to the maximal set.
13376         (execute_pre): Dump PHI_GEN and the maximal set.
13377
13378 2009-07-17  Jakub Jelinek  <jakub@redhat.com>
13379
13380         PR c++/40780
13381         * gimplify.c (gimplify_conversion): Don't change non-conversions into
13382         VIEW_CONVERT_EXPR.
13383
13384 2009-07-16  Sandra Loosemore  <sandra@codesourcery.com>
13385
13386         * doc/extend.texi (Nested Functions): Replace broken link with
13387         textual reference.
13388         * doc/service.texi (Service): Remove broken link.
13389
13390 2009-07-16  H.J. Lu  <hongjiu.lu@intel.com>
13391
13392         PR bootstrap/40781
13393         * builtins.c (expand_builtin_memcmp): Use loc instead of
13394         EXPR_LOCATION (exp).
13395         (expand_builtin_strncmp): Likewise.
13396
13397 2009-07-17  Aldy Hernandez  <aldyh@redhat.com>
13398             Manuel López-Ibáñez  <manu@gcc.gnu.org>
13399
13400         PR 40435
13401         * tree-complex.c, tree-loop-distribution.c, tree.c, tree.h,
13402         builtins.c, fold-const.c, omp-low.c, cgraphunit.c, tree-ssa-ccp.c,
13403         tree-ssa-dom.c, gimple-low.c, expr.c, tree-ssa-ifcombine.c,
13404         c-decl.c, stor-layout.c, tree-if-conv.c, c-typeck.c, gimplify.c,
13405         calls.c, tree-sra.c, tree-mudflap.c, tree-ssa-copy.c,
13406         tree-ssa-forwprop.c, c-convert.c, c-omp.c, varasm.c,
13407         tree-inline.c, c-common.c, c-common.h, gimple.c,
13408         tree-switch-conversion.c, gimple.h, tree-cfg.c, c-parser.c,
13409         convert.c: Add location argument to fold_{unary,binary,ternary},
13410         fold_build[123], build_call_expr, build_size_arg,
13411         build_fold_addr_expr, build_call_array, non_lvalue, size_diffop,
13412         fold_build1_initializer, fold_build2_initializer,
13413         fold_build3_initializer, fold_build_call_array,
13414         fold_build_call_array_initializer, fold_single_bit_test,
13415         omit_one_operand, omit_two_operands, invert_truthvalue,
13416         fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref,
13417         combine_comparisons, fold_builtin_*, fold_call_expr,
13418         build_range_check, maybe_fold_offset_to_address, round_up,
13419         round_down.
13420
13421 2009-07-16  Jason Merrill  <jason@redhat.com>
13422
13423         PR libstdc++/37907
13424         * c-common.c (c_common_reswords): Add __is_standard_layout
13425         and __is_trivial.
13426         * c-common.h (enum rid): Add RID_IS_STD_LAYOUT and RID_IS_TRIVIAL.
13427         * doc/implement-cxx.texi: New.
13428         * doc/gcc.texi: Include it.
13429
13430 2009-07-16  DJ Delorie  <dj@redhat.com>
13431
13432         * config/m32c/m32c.c (m32c_compare_redundant): Avoid removing
13433         compares that may be indirectly affected by previous instructions.
13434
13435 2009-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13436
13437         * builtins.c (do_mpc_arg2): New.
13438         (fold_builtin_2): Fold builtin cpow.
13439         * real.h (HAVE_mpc_pow): New.
13440
13441 2009-07-16  Bingfeng Mei  <bmei@broadcom.com>
13442
13443         * modulo-sched.c (sms_schedule): stage_count <= 1 as correct
13444         comparison to skip unprofitable schedule
13445
13446 2009-07-16  Simon Baldwin  <simonb@google.com>
13447
13448         * gcc.c (option_map): New flag -no-canonical-prefixes.
13449         * (display_help): Print help text for new flag.
13450         * (process_command): Move options translation and language specifics
13451         and handle new flag early.  Use it to set a function pointer to a
13452         prefix builder.  Replace make_relative_prefix calls with calls to
13453         the function pointed to.  Ignore new flag in regular options handling.
13454         * doc/invoke.texi (Overall Options): Documented -no-canonical-prefixes.
13455
13456 2009-07-15  DJ Delorie  <dj@redhat.com>
13457
13458         * config/mep/mep.md (sibcall_internal): Change register to avoid
13459         argument registers.
13460         (sibcall_value_internal): Likewise.
13461
13462 2009-07-15  Eric Botcazou  <ebotcazou@adacore.com>
13463
13464         PR rtl-optimization/40710
13465         * resource.c (mark_target_live_regs): Reset DF problem to LR.
13466
13467 2009-07-15  Adam Nemet  <anemet@caviumnetworks.com>
13468
13469         * config/mips/mips.md (*extenddi_truncate<mode>,
13470         *extendsi_truncate<mode>): Change type attribute to move_type
13471         with shift_shift.  Split out code handling exts from here ...
13472         (*extend<GPR:mode>_truncate<SHORT:mode>_exts): ... to this new
13473         pattern.
13474         (*extendhi_truncateqi): Change type attribute to move_type with
13475         shift_shift.  Split out code handling exts from here ...
13476         (*extendhi_truncateqi_exts): ... to this new pattern.
13477
13478 2009-07-15  Uros Bizjak  <ubizjak@gmail.com>
13479
13480         * config/i386/sse.md (copysign<mode>3): Use "and-not" SSE instruction
13481         instead of "and" with inverted sign bit mask value.  Use
13482         "nonimmediate_operand" for operand 1 and operand 2 predicate.
13483         Allocate registers only for operand 4 and operand 5.
13484
13485 2009-07-15  Jakub Jelinek  <jakub@redhat.com>
13486
13487         PR middle-end/40747
13488         * fold-const.c (fold_cond_expr_with_comparison): When folding
13489         < and <= to MIN, make sure the MIN uses the same type as the
13490         comparison's operands.
13491
13492 2009-07-15  Richard Earnshaw  <rearnsha@arm.com>
13493
13494         * arm.md (ior_xor): New code iterator.
13495         (split for ior/xor with shift and zero-extend): New split pattern.
13496         * arm/predicates.md (subreg_lowpart_operator): New special predicate.
13497
13498 2009-07-15  Richard Guenther  <rguenther@suse.de>
13499
13500         * tree-ssa-structalias.c (make_constraint_from_heapvar): Initialize
13501         offset member.
13502
13503 2009-07-15  Richard Guenther  <rguenther@suse.de>
13504
13505         PR middle-end/40753
13506         * alias.c (ao_ref_from_mem): Reject FUNCTION_DECL and LABEL_DECL bases.
13507
13508 2009-07-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
13509
13510         * config/m68k/linux-unwind.h (m68k_fallback_frame_state): Update to
13511         handle 2.6.30 kernel.
13512
13513 2009-07-15  DJ Delorie  <dj@redhat.com>
13514
13515         * config/mep/mep.md (sibcall_internal): Change register to allow
13516         for 24-bit addresses.
13517         (sibcall_value_internal): Likewise.
13518
13519 2009-07-14  Ghassan Shobaki  <ghassan.shobaki@amd.com>
13520
13521         * doc/invoke.texi: Added descriptions of the  scheduling heuristics
13522         that are enabled/disabled by the flags introduced by a previous patch.
13523
13524 2009-07-14  DJ Delorie  <dj@redhat.com>
13525
13526         * config/mep/mep.md (sibcall_internal): Include non-toggling
13527         non-jmp case.
13528         (sibcall_value_internal): Likewise.
13529
13530 2009-07-14  Taras Glek  <tglek@mozilla.com>
13531             Rafael Espindola  <espindola@google.com>
13532
13533         * doc/sourcebuild.texi: Document install-plugin target.
13534         * configure.ac: Added install-plugin target to language makefiles.
13535         * configure: Regenerate.
13536         * Makefile.in (install-plugin): Install more headers,
13537         depend on lang.install-plugin.
13538
13539 2009-07-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13540
13541         * tree-vrp.c (vrp_evaluate_conditional): Mark strings for
13542         translation.
13543
13544 2009-07-14  DJ Delorie  <dj@redhat.com>
13545
13546         * config/mep/mep.c (mep_vliw_jmp_match): New function.
13547         * config/mep/mep-protos.h (mep_vliw_jmp_match): Prototype it.
13548         * config/mep/mep.md (sibcall_internal): Change test from
13549         mep_vliw_mode_match to mep_vliw_jmp_match.
13550         (sibcall_value_internal): Likewise.
13551
13552 2009-07-14  Uros Bizjak  <ubizjak@gmail.com>
13553
13554         * config/i386/sse.md (copysign<mode>3): New expander.
13555         * config/i386/i386-protos.h (ix86_build_signbit_mask): New prototype.
13556         * config/i386/i386.c (ix86_build_signbit_mask): Make public.
13557         Use ix86_build_const_vector.
13558         (enum ix86_builtins): Add IX86_BUILTIN_CPYSGNPS and
13559         IX86_BUILTIN_CPYSGNPD.
13560         (builtin_description): Add __builtin_ia32_copysignps and
13561         __builtin_ia32_copysignpd.
13562         (ix86_builtin_vectorized_function): Handle BUILT_IN_COPYSIGN
13563         and BUILT_IN_COPYSIGNF.
13564
13565 2009-07-13  Jason Merrill  <jason@redhat.com>
13566
13567         * builtins.c (can_trust_pointer_alignment): New fn.
13568         (get_pointer_alignment): Factor it out from here.
13569         * tree.h: Declare it.
13570
13571 2009-07-14  David Edelsohn  <edelsohn@gnu.org>
13572
13573         * config/rs6000/predicates.md (offsettable_mem_operand): Test
13574         RTX_AUTOINC class.
13575
13576 2009-07-14  Dodji Seketeli  <dodji@redhat.com>
13577
13578         PR debug/40705
13579         PR c++/403057
13580         * dwarf2.out.c (gen_type_die_with_usage): Added comment.
13581
13582 2009-07-14  Richard Guenther  <rguenther@suse.de>
13583             Andrey Belevantsev <abel@ispras.ru>
13584
13585         PR middle-end/40745
13586         * cfgexpand.c (partition_stack_vars): Do not bother to update
13587         alias information when not optimizing.
13588
13589 2009-07-14  Richard Guenther  <rguenther@suse.de>
13590             Andrey Belevantsev <abel@ispras.ru>
13591
13592         * tree-ssa-alias.h (refs_may_alias_p_1): Declare.
13593         (pt_solution_set): Likewise.
13594         * tree-ssa-alias.c (refs_may_alias_p_1): Export.
13595         * tree-ssa-structalias.c (pt_solution_set): New function.
13596         * final.c (rest_of_clean_state): Free SSA data structures.
13597         * print-rtl.c (print_decl_name): Remove.
13598         (print_mem_expr): Implement in terms of print_generic_expr.
13599         * alias.c (ao_ref_from_mem): New function.
13600         (rtx_refs_may_alias_p): Likewise.
13601         (true_dependence): Query alias-export info.
13602         (canon_true_dependence): Likewise.
13603         (write_dependence_p): Likewise.
13604         * tree-dfa.c (get_ref_base_and_extent): For void types leave
13605         size unknown.
13606         * emit-rtl.c (component_ref_for_mem_expr): Remove.
13607         (mem_expr_equal_p): Use operand_equal_p.
13608         (set_mem_attributes_minus_bitpos): Do not use
13609         component_ref_for_mem_expr.
13610         * cfgexpand.c (add_partitioned_vars_to_ptset): New function.
13611         (update_alias_info_with_stack_vars): Likewise.
13612         (partition_stack_vars): Call update_alias_info_with_stack_vars.
13613         * tree-ssa.c (delete_tree_ssa): Do not release SSA names
13614         explicitly nor clear stmt operands.
13615         Free the decl-to-pointer map.
13616         * tree-optimize.c (execute_free_datastructures): Do not free
13617         SSA data structures here.
13618         * tree-flow.h (struct gimple_df): Add decls_to_pointers member.
13619         * Makefile.in (emit-rtl.o): Add pointer-set.h dependency.
13620         (alias.o): Add tree-ssa-alias.h, pointer-set.h and $(TREE_FLOW_H)
13621         dependencies.
13622         (print-rtl.o): Add $(DIAGNOSTIC_H) dependency.
13623
13624 2009-07-13  DJ Delorie  <dj@redhat.com>
13625
13626         * config/mep/mep.h (CC1_SPEC): Tweak parameters to trigger
13627         unrolling at the right iteration count.
13628
13629         * config/mep/mep.c (mep_expand_prologue): Fix frame pointer
13630         calculations.
13631
13632 2009-07-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
13633
13634         * haifa-sched.c (rank_for_schedule): Introduced flags to
13635         enable/disable individual scheduling heuristics.
13636         * common.opt: Introduced flags to enable/disable individual
13637         heuristics in the scheduler.
13638         * doc/invoke.texi: Introduced flags to enable/disable individual
13639         heuristics in the scheduler.
13640
13641 2009-07-13  Kai Tietz  <kai.tietz@onevision.com>
13642
13643         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Remove file
13644         config/i386/mingw-tls.c.
13645         * config/i386/mingw-tls.c: Removed.
13646
13647 2009-07-13  Ira Rosen  <irar@il.ibm.com>
13648
13649         * tree-vect-loop.c (get_initial_def_for_reduction): Ensure that the
13650         checks access only relevant statements.
13651         (vectorizable_reduction): Likewise.
13652
13653 2009-07-12  Kai Tietz  <kai.tietz@onevision.com>
13654
13655         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
13656         just for 32-bit case.
13657
13658 2009-07-12  Jan Hubicka  <jh@suse.cz>
13659
13660         PR tree-optimization/40585
13661         * except.c (expand_resx_expr): When there already is resume
13662         instruction, produce linked list.
13663         (build_post_landing_pads): Assert that resume is empty.
13664         (connect_post_landing_pads): Handle resume lists.
13665         (dump_eh_tree): Dump resume list.
13666
13667 2009-07-12  Ira Rosen  <irar@il.ibm.com>
13668
13669         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
13670         with additional argument.
13671         * tree-vectorizer.h (enum vect_def_type): Add
13672         vect_double_reduction_def.
13673         (vect_is_simple_reduction): Add argument.
13674         * tree-vect-loop.c (vect_determine_vectorization_factor): Fix
13675         indentation.
13676         (vect_analyze_scalar_cycles_1): Detect double reduction. Call
13677         vect_is_simple_reduction with additional argument.
13678         (vect_analyze_loop_operations): Handle exit phi nodes in case of
13679         double reduction.
13680         (reduction_code_for_scalar_code): Handle additional codes by
13681         returning ERROR_MARK for them. Fix comment and indentation.
13682         (vect_is_simple_reduction): Fix comment, add argument to specify
13683         double reduction. Detect double reduction.
13684         (get_initial_def_for_induction): Fix indentation.
13685         (get_initial_def_for_reduction): Fix comment and indentation.
13686         Handle double reduction. Create initial definitions that do not
13687         require adjustment if ADJUSTMENT_DEF is NULL. Handle additional cases.
13688         (vect_create_epilog_for_reduction): Fix comment, add argument to
13689         handle double reduction. Use PLUS_EXPR in case of MINUS_EXPR in
13690         epilogue result extraction. Create double reduction phi node and
13691         replace relevant uses.
13692         (vectorizable_reduction): Call vect_is_simple_reduction with
13693         additional argument. Fix indentation. Update epilogue code treatment
13694         according to the changes in reduction_code_for_scalar_code. Check
13695         for double reduction. Call vect_create_epilog_for_reduction with
13696         additional argument.
13697         * tree-vect-stmts.c (process_use): Handle double reduction, update
13698         documentation.
13699         (vect_mark_stmts_to_be_vectorized): Handle double reduction.
13700         (vect_get_vec_def_for_operand): Likewise.
13701
13702 2009-07-12  Danny Smith  <dansmister@gmail.com>
13703
13704         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't
13705         dllexport if !TREE_PUBLIC.
13706         (i386_pe_maybe_record_exported_symbol): Assert TREE_PUBLIC.
13707
13708 2009-07-11  Anatoly Sokolov  <aesok@post.ru>
13709
13710         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Redefine.
13711         (avr_extra_arch_macro) Remove declatation.
13712         * config/avr/avr.c (avr_cpu_cpp_builtins): New function.
13713         (avr_extra_arch_macro) Declare as static.
13714         * config/avr/avr-protos.h (avr_cpu_cpp_builtins): Dclare.
13715
13716 2009-07-11  Jan Hubicka  <jh@suse.cz>
13717
13718         PR middle-end/48388
13719         * except.c (can_be_reached_by_runtime): Test for NULL aka bitmap.
13720
13721 2009-07-11  Jakub Jelinek  <jakub@redhat.com>
13722
13723         PR debug/40713
13724         * dwarf2out.c (dw_fde_struct): Add in_std_section and
13725         cold_in_std_section bits.
13726         (dwarf2out_begin_prologue): Initialize them.
13727         (dwarf2out_finish): Don't emit FDE range into .debug_ranges
13728         if already covered by text_section or cold_text_section range.
13729
13730         PR rtl-optimization/40667
13731         * defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
13732         * doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
13733         * config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
13734         * config/i386/i386.c (ix86_minimum_alignment): New function.
13735         * config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
13736         * cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
13737         * emit-rtl.c (gen_reg_rtx): Likewise.
13738         * function.c (assign_parms): Likewise.  If nominal_type needs
13739         bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
13740         rather than passed_type's alignment.
13741
13742         PR target/40668
13743         * function.c (assign_parm_setup_stack): Adjust
13744         MEM_OFFSET (data->stack_parm) if promoted_mode is different
13745         from nominal_mode on big endian.
13746
13747 2009-07-11  Paolo Bonzini  <bonzini@gnu.org>
13748
13749         * expmed.c (emit_store_flag_1): Fix choice of zero vs. sign extension.
13750
13751 2009-07-10  DJ Delorie  <dj@redhat.com>
13752
13753         * config/mep/mep.c (mep_can_inline_p): Correct logic, and simplify.
13754
13755 2009-07-10  Mark Mitchell  <mark@codesourcery.com>
13756
13757         * config/arm/thumb2.md (thumb2_cbz): Correct computation of length
13758         attribute.
13759         (thumb2_cbnz): Likewise.
13760
13761 2009-07-10  David Daney  <ddaney@caviumnetworks.com>
13762
13763         PR target/39079
13764         * config.gcc (supported_defaults): Add synci.
13765         (with_synci): Add validation.
13766         (all_defaults): Add synci.
13767         * config/mips/mips.md (clear_cache): Use TARGET_SYNCI instead of
13768         ISA_HAS_SYNCI.
13769         (synci): Same.
13770         * config/mips/mips.opt (msynci): New option.
13771         * config/mips/mips.c (mips_override_options): Warn on use of
13772         -msynci for targets that do now support it.
13773         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
13774         msynci.
13775         * gcc/doc/invoke.texi (-msynci): Document the new option.
13776         * doc/install.texi (--with-synci): Document the new option.
13777
13778 2009-07-10  Richard Guenther  <rguenther@suse.de>
13779
13780         PR tree-optimization/40496
13781         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Create
13782         the PHI result with a compatible type.
13783
13784 2009-07-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13785
13786         PR 25509
13787         PR 40614
13788         * c.opt (Wunused-result): New.
13789         * doc/invoke.texi: Document it.
13790         * c-common.c (c_warn_unused_result): Use it.
13791
13792 2009-07-09  DJ Delorie  <dj@redhat.com>
13793
13794         * targhooks.c (default_target_can_inline_p): Rename from
13795         default_target_option_can_inline_p.
13796         * targhooks.h (default_target_can_inline_p): Likewise.
13797         * target-def.h (TARGET_CAN_INLINE_P): Rename from
13798         TARGET_OPTION_CAN_INLINE_P.
13799         * config/i386/i386.c (TARGET_CAN_INLINE_P): Likewise.
13800         * config/mep/mep.c (TARGET_CAN_INLINE_P): Likewise.
13801         (mep_target_can_inline_p): Rename from
13802         mep_target_option_can_inline_p.
13803
13804         PR target/40626
13805         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Add coprocessor
13806         registers used to pass vectors.
13807
13808         * config/mep/mep.c (mep_option_can_inline_p): Remove error call.
13809
13810 2009-07-09  Tom Tromey  <tromey@redhat.com>
13811
13812         * unwind-dw2-fde-darwin.c: Include dwarf2.h.
13813         * config/mmix/mmix.c: Include dwarf2.h.
13814         * config/rs6000/darwin-fallback.c: Include dwarf2.h.
13815         * config/xtensa/unwind-dw2-xtensa.c: Include dwarf2.h.
13816         * config/sh/sh.c: Include dwarf2.h.
13817         * config/i386/i386.c: Include dwarf2.h.
13818         * Makefile.in (DWARF2_H): Remove 'elf'.
13819         * except.c: Include dwarf2.h.
13820         * unwind-dw2.c: Include dwarf2.h.
13821         * dwarf2out.c: Include dwarf2.h.
13822         * unwind-dw2-fde-glibc.c: Include dwarf2.h.
13823         * unwind-dw2-fde.c: Include dwarf2.h.
13824         * dwarf2asm.c: Include dwarf2.h.
13825
13826 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
13827
13828         * haifa-sched.c (insn_finishes_cycle_p): New static function.
13829         (max_issue): Use it.
13830         * sched-int.h (struct sched_info: insn_finishes_block_p): New
13831         scheduler hook.
13832         * sched-rgn.c (rgn_insn_finishes_block_p): Implement it.
13833         (region_sched_info): Update.
13834         * sched-ebb.c (ebb_sched_info): Update.
13835         * modulo-sched.c (sms_sched_info): Update.
13836         * sel-sched-ir.c (sched_sel_haifa_sched_info): Update.
13837
13838 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
13839
13840         * varasm.c (build_constant_desc): Don't share RTL in pool entries.
13841
13842 2009-07-09  Basile Starynkevitch  <basile@starynkevitch.net>
13843
13844         * plugin.c (try_init_one_plugin): passes RTLD_GLOBAL to dlopen.
13845
13846 2009-07-09  Jakub Jelinek  <jakub@redhat.com>
13847
13848         PR middle-end/40692
13849         * fold-const.c (fold_cond_expr_with_comparison): Don't replace
13850         arg1 with arg01 if arg1 is already INTEGER_CST.
13851
13852 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
13853
13854         * simplify-rtx.c (simplify_binary_operation_1) <AND>:
13855         Transform (and (truncate)) into (truncate (and)).
13856
13857 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
13858
13859         * combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before
13860         creating LHS paradoxical subregs.  Fix surrounding returns to
13861         use NULL_RTX rather than 0.
13862
13863 2009-07-08  DJ Delorie  <dj@redhat.com>
13864
13865         * config/mep/mep.c (mep_option_can_inline_p): New.
13866         (TARGET_OPTION_CAN_INLINE_P): Define.
13867
13868 2009-07-08  Mark Wielaard  <mjw@redhat.com>
13869
13870         PR debug/40659
13871         * dwarf2out.c (add_data_member_location_attribute): When we have
13872         only a constant offset don't emit a new location description using
13873         DW_OP_plus_uconst, but just add the constant with add_AT_int, when
13874         dwarf_version > 2.
13875
13876 2009-07-08  Richard Henderson  <rth@redhat.com>
13877
13878         PR target/38900
13879         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
13880         (enum reg_class): Add CLOBBERED_REGS.
13881         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
13882         * config/i386/i386.c (ix86_conditional_register_usage): Moved
13883         from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit.
13884         (ix86_function_ok_for_sibcall): Tidy.  Disallow MS->SYSV sibcalls.
13885         (ix86_expand_call): Use sibcall_insn_operand when needed.  Don't
13886         force 64-bit sibcalls into R11.
13887         * config/i386/constraints.md (U): New constraint.
13888         * config/i386/i386.md (sibcall_1, sibcall_value_1): Use it.
13889         (sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
13890         (sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.
13891
13892 2009-07-08  Shujing Zhao  <pearly.zhao@oracle.com>
13893
13894         * basic-block.h (dump_regset, debug_regset): Remove duplicate
13895         prototypes.
13896         * c-objc-common.h (c_initialize_diagnostics): Ditto.
13897         * ebitmap.h (dump_ebitmap): Ditto.
13898         * optabs.h (optab_libfunc): Ditto.
13899         * tree.h (tree_expr_nonzero_warnv_p): Ditto.
13900         * tree-flow.h (vect_can_force_dr_alignment_p,
13901         get_vectype_for_scalar_type): Ditto.
13902         (vectorize_loops): Move prototype to ...
13903         * tree-vectorizer.h: ... here. Also, adjust comment.
13904         (vect_set_verbosity_level): Remove duplicate prototype.
13905         * tree-ssa-loop.c: Include tree-vectorizer.h.
13906         * Makefile.in (tree-ssa-loop.o): Depend on tree-vectorizer.h.
13907
13908 2009-07-08  Nick Clifton  <nickc@redhat.com>
13909
13910         * config/i386/unix.h (ASM_COMMENT_START): Add a space after the
13911         forward slash.
13912
13913 2009-07-08  DJ Delorie  <dj@redhat.com>
13914
13915         * config/mep/mep-ivc2.cpu (cpmovtocsar0_C3, cpmovtocsar1_C3,
13916         cpmovtocc_C3, cpmovtocsar0_P0S_P1, cpmovtocsar1_P0S_P1,
13917         cpmovtocc_P0S_P1): Mark volatile.  Note which registers are
13918         written to.
13919         * config/mep/intrinsics.md: Regenerated.
13920         * config/mep/mep.c (mep_interrupt_saved_reg): Save IVC2 control
13921         registers when asm() or calls are detected.
13922
13923 2009-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13924
13925         PR c++/31246
13926         * gimplify.c (gimplify_expr): Propagate no_warning flag when
13927         gimplifying.
13928         * gimple (gimple_build_call_from_tree): Likewise.
13929         * tree-cfg.c (remove_useless_stmts_warn_notreached): Check
13930         no_warning flag before warning.
13931
13932 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13933
13934         * tree.c (set_expr_locus): Remove.
13935         * tree.h (EXPR_LOCUS,SET_EXPR_LOCUS,set_expr_locus): Remove.
13936         * c-typeck.c (c_finish_stmt_expr):  Replace EXPR_LOCUS by
13937         EXPR_LOCATION.
13938         * gimplify.c (internal_get_tmp_var): Likewise.
13939         (gimplify_call_expr): Likewise.
13940         (gimplify_one_sizepos): Likewise.
13941
13942 2009-07-07  Eric Botcazou  <ebotcazou@adacore.com>
13943
13944         PR debug/40666
13945         * dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
13946         to variables for debugging purposes.
13947
13948 2009-06-23  Mark Loeser  <mark@halcy0n.com>
13949
13950         PR build/40010
13951         * Makefile.in (gcc.pod): Depend on gcc-vers.texi.
13952
13953 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13954
13955         * pretty-print.c (pp_base_format): Remove %J.
13956         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
13957         gcc_cxxdiag_char_table): Likewise.
13958         (init_dynamic_diag_info): Likewise.
13959
13960 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13961
13962         * pretty-print.c (pp_base_format): Remove %H.
13963         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
13964         gcc_cxxdiag_char_table): Likewise.
13965         (init_dynamic_diag_info): Likewise.
13966         * config/mep/mep.c (mep_select_section): Likewise.
13967
13968 2009-07-07  Duncan Sands  <baldrick@free.fr>
13969
13970         * final.c (pass_clean_state): Give the pass a name.
13971         * passes.c (pass_rest_of_compilation): Likewise.
13972         * tree-optimize.c (pass_all_optimizations): Likewise.
13973
13974 2009-07-07  H.J. Lu  <hongjiu.lu@intel.com>
13975
13976         * config/ia64/ia64.c (ia64_handle_model_attribute): Remove
13977         an extra 'decl' for error_at.
13978
13979 2009-07-07  Jakub Jelinek  <jakub@redhat.com>
13980
13981         PR middle-end/40669
13982         * tree-tailcall.c (adjust_return_value_with_ops,
13983         create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
13984         if it has complex or vector type.
13985
13986 2009-07-07  Olivier Hainque  <hainque@adacore.com>
13987
13988         * config/alpha/t-osf4 (SHLIB_LINK): Do not hide the dummy weak
13989         pthread symbols.
13990
13991 2009-07-07  Basile Starynkevitch  <basile@starynkevitch.net>
13992
13993         * Makefile.in: added more lists of includes to PLUGIN_HEADERS.
13994
13995 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13996
13997         * cgraphunit.c: Replace %J by an explicit location.  Update all calls.
13998         * c-decl.c: Likewise.
13999         * function.c: Likewise.
14000         * varasm.c: Likewise.
14001         * tree-ssa.c: Likewise.
14002         * c-common.c: Likewise.
14003         * tree-cfg.c: Likewise.
14004         * config/spu/spu.c: Likewise.
14005         * config/ia64/ia64.c: Likewise.
14006         * config/v850/v850.c: Likewise.
14007
14008 2009-07-06  DJ Delorie  <dj@redhat.com>
14009
14010         * config/mep/mep-core.cpu (fsft, ssarb): Mark as VOLATILE.
14011         * config/mep/mep-ivc2.cpu (many): Add VOLATILE to more insns that make
14012         unspecified accesses to control registers.
14013         * config/mep/intrinsics.md: Regenerate.
14014         * config/mep/intrinsics.h: Regenerate.
14015         * config/mep/mep-intrin.h: Regenerate.
14016
14017 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
14018
14019         * c-lex.c: Replace %H by an explicit location. Update all calls.
14020         * c-common.c: Likewise.
14021         * c-decl.c: Likewise.
14022         * c-typeck.c: Likewise.
14023         * fold-const.c: Likewise.
14024         * gimplify.c: Likewise.
14025         * stmt.c: Likewise.
14026         * tree-cfg.c: Likewise.
14027         * tree-ssa-loop-niter.c: Likewise.
14028         * tree-vrp.c: Likewise.
14029         * value-prof.c: Likewise.
14030
14031 2009-07-06  Diego Novillo  <dnovillo@google.com>
14032
14033         * tree-dfa.c (dump_variable): Write DECL_INITIAL for VAR
14034         if it has one.  Handle cases where VAR does not have an
14035         annotation or cfun is NULL.
14036
14037 2009-07-06  Diego Novillo  <dnovillo@google.com>
14038
14039         * tree.c: Include debug.h.
14040         (initialize_tree_contains_struct): New.
14041         (init_ttree): Call it.
14042         (tree_node_structure_for_code): Factor out of ...
14043         (tree_node_structure): ... here.
14044         * treestruct.def (TS_PHI_NODE): Remove.
14045         (TS_GIMPLE_STATEMENT): Remove.
14046
14047 2009-07-06  Diego Novillo  <dnovillo@google.com>
14048
14049         * tree-pretty-print.c (dump_generic_node): Protect against NULL op0.
14050         (debug_tree_chain): Handle cycles.
14051
14052 2009-07-06  Nick Clifton  <nickc@redhat.com>
14053             DJ Delorie  <dj@redhat.com>
14054
14055         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
14056         __FMOVD_ENABLED__ is defined.
14057         * config/sh/sh.h
14058         (TARGET_FMOVD): Provide a default definition.
14059         (MASK_FMOVD): Likewise.
14060         (TARGET_CPU_CPP_BUILTINS): Define
14061         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
14062         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
14063         two fmov instructions depending upon whether TARGET_FMOVD is enabled.
14064         (split for DF load from memory into register): Also handle
14065         MEMs which consist of REG+DISP addressing.
14066         (split for DF store from register to memory): Likewise.
14067         (movsf_ie): Always use single fp_mode.
14068         * config/sh/sh.c (sh_override_options): Do not automatically
14069         enable TARGET_MOVD for the SH2A when supporting doubles - leave
14070         that to the -mfmovd command line switch.
14071         (broken_move): Do not restrict fldi test to only the SH4 and SH4A.
14072         (fldi_ok): Always allow.
14073         * config/sh/sh.opt (mfmovd): Remove this switch.
14074         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
14075
14076 2009-07-06  J"orn Rennecke  <joern.rennecke@arc.com>
14077             Kaz Kojima  <kkojima@gcc.gnu.org>
14078
14079         PR rtl-optimization/30807
14080         * postreload.c (reload_combine): For every new use of REG_SUM,
14081         record the use of BASE.
14082
14083 2009-07-06  Jan Hubicka  <jh@suse.cz>
14084
14085         * params.def: Revert my accidental commit at 2009-06-30.
14086
14087 2009-07-04  Ian Lance Taylor  <iant@google.com>
14088
14089         PR target/40636
14090         * config/i386/msformat-c.c (mingw_format_attributes): Declare as
14091         EXPORTED_CONST.
14092         (mingw_format_attribute_overrides): Likewise.
14093
14094 2009-07-04  Jakub Jelinek  <jakub@redhat.com>
14095
14096         PR debug/40596
14097         * dwarf2out.c (based_loc_descr): For crtl->stack_realign_tried
14098         don't check cfa.reg.  Instead of cfa.indirect use
14099         fde && fde->drap_reg != INVALID_REGNUM test.
14100
14101 2009-07-04  Eric Botcazou  <ebotcazou@adacore.com>
14102
14103         * postreload.c (reload_combine): Replace CONST_REG with INDEX_REG.
14104
14105 2009-07-03  Vladimir Makarov  <vmakarov@redhat.com>
14106
14107         PR target/40587
14108         * ira.c (build_insn_chain): Use DF_LR_OUT instead of df_get_live_out.
14109
14110 2009-07-03  Richard Guenther  <rguenther@suse.de>
14111
14112         PR tree-optimization/40640
14113         * tree-switch-conversion.c (build_arrays): Perform arithmetic
14114         in original type.
14115
14116 2009-07-03  Jan Hubicka  <jh@suse.cz>
14117
14118         * ipa-inline.c (cgraph_decide_inlining_incrementally): When optimizing
14119         for size, reduce amount of inlining.
14120
14121 2009-07-03  Richard Guenther  <rguenther@suse.de>
14122
14123         PR middle-end/34163
14124         * tree-chrec.c (chrec_convert_1): Fold (T2)(t +- x) to (T2)t +- (T2)x
14125         if t +- x is known to not overflow and the conversion widens the
14126         operation.
14127         * Makefile.in (tree-chrec.o): Add $(FLAGS_H) dependency.
14128
14129 2009-07-03  Jan Hubicka  <jh@suse.cz>
14130
14131         * ipa-pure-const.c (analyze): Update loop optimizer init.
14132         * tree-ssa-loop-iv-canon.c (empty_loop_p, remove_empty_loop,
14133         try_remove_empty_loop, remove_empty_loops): Remove.
14134         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): Remove.
14135         * tree-ssa-dce.c (find_obviously_necessary_stmts): Use finiteness info
14136         to mark regular loops as neccesary.
14137         (degenerate_phi_p): New function.
14138         (propagate_necessity, remove_dead_phis): Use it.
14139         (forward_edge_to_pdom): Likewise.
14140         (eliminate_unnecessary_stmts): Take care to remove uses of results of
14141         virtual PHI nodes that became unreachable.
14142         (perform_tree_ssa_dce): Initialize/deinitialize loop optimizer.
14143         * tree-flow.h (remove_empty_loops): Remove.
14144         * passes.c (init_optimization_passes): Remove.
14145
14146 2009-07-03  Uros Bizjak  <ubizjak@gmail.com>
14147
14148         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1): Use
14149         can_create_pseudo_p.
14150         (*fix_trunc<mode>_i387_1): Ditto.
14151         (*floathi<mode>2_1): Ditto.
14152         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): Ditto.
14153         (*fistdi2_1): Ditto.
14154         (*fist<mode>2_1): Ditto.
14155         (frndintxf2_floor): Ditto.
14156         (*fist<mode>2_floor_1): Ditto.
14157         (frndintxf2_ceil): Ditto.
14158         (*fist<mode>2_ceil_1): Ditto.
14159         (frndintxf2_trunc): Ditto.
14160         (frndintxf2_mask_pm): Ditto.
14161         (fxam<mode>2_i387_with_temp): Ditto.
14162         * config/i386/sse.md (mulv16qi3): Ditto.
14163         (*sse2_mulv4si3): Ditto.
14164         (mulv2di3): Ditto.
14165         (sse4_2_pcmpestr): Ditto.
14166         (sse4_2_pcmpistr): Ditto.
14167
14168 2009-07-03  Jan Hubicka  <jh@suse.cz>
14169
14170         * tree-ssa-dce.c (bb_contains_live_stmts): New bitmap.
14171         (mark_stmt_necessary): Set it.
14172         (mark_operand_necessary): Set it.
14173         (mark_control_dependent_edges_necessary): Set it.
14174         (mark_virtual_phi_result_for_renaming): New function.
14175         (get_live_post_dom): New function.
14176         (forward_edge_to_pdom): New function.
14177         (remove_dead_stmt): Fix handling of control dependences.
14178         (tree_dce_init): Init new bitmap.
14179         (tree_dce_done): Free it.
14180
14181 2009-07-02  Richard Guenther  <rguenther@suse.de>
14182
14183         PR bootstrap/40617
14184         * tree-ssa-structalias.c (new_var_info): Initialize
14185         is_restrict_var.
14186
14187 2009-07-02  Jan Hubicka  <jh@suse.cz>
14188
14189         * ipa-pure-const.c (check_op): Use PTA info to see if indirect_ref is
14190         local.
14191
14192 2009-07-02  Paolo Bonzini  <bonzini@gnu.org>
14193
14194         * expmed.c (emit_cstore, emit_store_flag_1): Accept target_mode
14195         instead of recomputing it.  Adjust calls.
14196         (emit_store_flag): Adjust recursive calls.
14197
14198 2009-07-02  Richard Guenther  <rguenther@suse.de>
14199
14200         * tree-ssa-live.c (remove_unused_locals): Do not remove
14201         heap variables.
14202         * tree-ssa-structalias.c (handle_lhs_call): Delay setting
14203         of DECL_EXTERNAL for HEAP variables.
14204         (compute_points_to_sets): Set DECL_EXTERNAL for escaped
14205         HEAP variables.  Do not adjust RESTRICT vars.
14206         (find_what_var_points_to): Nobody cares if something
14207         points to READONLY.
14208
14209 2009-07-02  Ben Elliston  <bje@au.ibm.com>
14210
14211         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Move
14212         pc_low and pc_high declarations to the top of the function.
14213
14214 2009-07-01  DJ Delorie  <dj@redhat.com>
14215
14216         * config/mep/mep.c (mep_handle_option): Leave IVC2 control
14217         registers as fixed.
14218         (mep_interrupt_saved_reg): Save appropriate IVC2 control registers.
14219         * config/mep/mep-ivc2.cpu: Add VOLATILE to insns that make
14220         unspecified accesses to control registers.
14221         * config/mep/intrinsics.md: Regenerate.
14222         * config/mep/intrinsics.h: Regenerate.
14223         * config/mep/mep-intrin.h: Regenerate.
14224
14225 2009-07-01  Anthony Green  <green@moxielogic.com>
14226
14227         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
14228         instruction when possible.
14229         (moxie_expand_prologue): Ditto.  Also, save an instruction and
14230         some complexity by popping off of $r12 instead of $sp.
14231         * config/moxie/moxie.md (movsi_pop): Don't assume $sp.  Take two
14232         operands.
14233
14234 2009-07-01  Richard Henderson  <rth@redhat.com>
14235
14236         PR bootstrap/40347
14237         * function.c (reposition_prologue_and_epilogue_notes): If epilogue
14238         contained no insns, reposition note before last insn.
14239
14240 2009-07-01  Richard Henderson  <rth@redhat.com>
14241
14242         PR debug/40431
14243         * dwarf2out.c (def_cfa_1): Revert 2009-06-11 change for
14244         DW_CFA_def_cfa_offset and DW_CFA_def_cfa.
14245
14246 2009-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
14247
14248         PR bootstrap/40558
14249         * config/rs6000/rs6000.c (print_operand): Undo change that breaks
14250         darwin9 for printing reg addresses with %y.
14251
14252 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
14253
14254         * combine.c (force_to_mode): Handle TRUNCATE.  Factor out
14255         truncation from operands in binary operations.
14256
14257 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
14258
14259         Revert:
14260         2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
14261         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
14262         subreg of op0 to the original op0.
14263
14264         * expmed.c (store_bit_field_1): Use a temporary as the destination
14265         instead of a paradoxical subreg when we need to truncate the result.
14266
14267 2009-07-01  DJ Delorie  <dj@redhat.com>
14268
14269         * config/mep/mep-ivc2.cpu (cmov, cmovc, cmovh): Add intrinsic
14270         names to VLIW variants.
14271         (ivc2rm, ivc2crn): Make data type consistent with non-VLIW variants.
14272         * config/mep/intrinsics.md: Regenerate.
14273         * config/mep/intrinsics.h: Regenerate.
14274         * config/mep/mep-intrin.h: Regenerate.
14275
14276 2009-07-01  Jakub Jelinek  <jakub@redhat.com>
14277
14278         PR debug/40462
14279         * jump.c (returnjump_p): Revert last patch.
14280         * dwarf2out.c (dwarf2out_begin_epilogue): Handle SEQUENCEs.
14281
14282 2009-07-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14283
14284         PR target/40575
14285         * pa.md (casesi32p): Use jump table label to determine the offset
14286         of the jump table.
14287         (casesi64p): Likewise.
14288
14289         * pa.c (forward_branch_p): Return bool type.  Use instruction
14290         addresses when available.  Assert that INSN has a jump label.
14291         (pa_adjust_insn_length): Don't call forward_branch_p if INSN doesn't
14292         have a jump label.
14293
14294 2009-07-01  Richard Guenther  <rguenther@suse.de>
14295
14296         PR tree-optimization/19831
14297         * tree-ssa-dce.c (propagate_necessity): Calls to functions
14298         that only act as barriers do not make any previous stores necessary.
14299         * tree-ssa-structalias.c (handle_lhs_call): Delay making
14300         HEAP variables global, do not add a constraint from nonlocal.
14301         (find_func_aliases): Handle escapes through return statements.
14302         (compute_points_to_sets): Make escaped HEAP variables global.
14303
14304 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
14305
14306         PR bootstrap/40597
14307         * expmed.c (emit_store_flag): Perform a conversion if necessary,
14308         after reducing a DImode cstore to SImode.
14309
14310 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
14311
14312         * expr.c (expand_expr_real_1): Reinstate fallthrough to
14313         TRUTH_ANDIF_EXPR if do_store_flag returns NULL.
14314
14315 2009-07-01  Maciej W. Rozycki  <macro@linux-mips.org>
14316
14317         * config/vax/vax.h (TARGET_BSD_DIVMOD): New macro.  Set to 1.
14318         * config/vax/linux.h (TARGET_BSD_DIVMOD): New macro.  Redefine the
14319         to 0.
14320         * config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab
14321         and umod_optab if TARGET_BSD_DIVMOD.
14322         * config/vax/lib1funcs.asm: New file.
14323         * config/vax/t-linux: New file.
14324         * config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux.
14325
14326 2009-06-30  Jakub Jelinek  <jakub@redhat.com>
14327
14328         PR c++/40566
14329         * convert.c (convert_to_integer) <case COND_EXPR>: Don't convert
14330         to type arguments that have void type.
14331
14332         PR debug/40573
14333         * dwarf2out.c (gen_formal_parameter_die): Call
14334         equate_decl_number_to_die if node is different from origin.
14335
14336 2009-06-30  Anthony Green  <green@moxielogic.com>
14337
14338         Clean up moxie port for --enable-build-with-cxx.
14339         * config/moxie/moxie.c (moxie_function_value): First two
14340         parameters are const_tree, not tree.
14341         * config/moxie/moxie.h (enum reg_class): Rename CC_REG to CC_REGS.
14342         (REG_CLASS_NAMES): Ditto.
14343         (REGNO_REG_CLASS): Ditto.
14344         * config/moxie/moxie-protos.h (moxie_override_options): Declare.
14345         (moxie_function_value): Fix constyness of arguments.
14346
14347 2009-06-30  Eric Botcazou  <ebotcazou@adacore.com>
14348
14349         * cgraphunit.c (cgraph_finalize_compilation_unit): Call
14350         finalize_size_functions before further processing.
14351         * stor-layout.c: Include cgraph.h, tree-inline.h and tree-dump.h.
14352         (variable_size): Call self_referential_size on size expressions
14353         that contain a PLACEHOLDER_EXPR.
14354         (size_functions): New static variable.
14355         (copy_self_referential_tree_r): New static function.
14356         (self_referential_size): Likewise.
14357         (finalize_size_functions): New global function.
14358         * tree.c: Include tree-inline.h.
14359         (push_without_duplicates): New static function.
14360         (find_placeholder_in_expr): New global function.
14361         (substitute_in_expr) <tcc_declaration>: Return the replacement object
14362         on equality.
14363         <tcc_expression>: Likewise.
14364         <tcc_vl_exp>: If the replacement object is a constant, try to inline
14365         the call in the expression.
14366         * tree.h (finalize_size_functions): Declare.
14367         (find_placeholder_in_expr): Likewise.
14368         (FIND_PLACEHOLDER_IN_EXPR): New macro.
14369         (substitute_placeholder_in_expr): Update comment.
14370         * tree-inline.c (remap_decl): Do not unshare trees if do_not_unshare
14371         is true.
14372         (copy_tree_body_r): Likewise.
14373         (copy_tree_body): New static function.
14374         (maybe_inline_call_in_expr): New global function.
14375         * tree-inline.h (struct copy_body_data): Add do_not_unshare field.
14376         (maybe_inline_call_in_expr): Declare.
14377         * Makefile.in (tree.o): Depend on TREE_INLINE_H.
14378         (stor-layout.o): Depend on CGRAPH_H, TREE_INLINE_H, TREE_DUMP_H and
14379         GIMPLE_H.
14380
14381 2009-06-30  Richard Guenther  <rguenther@suse.de>
14382
14383         * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Always
14384         continue walking.
14385         (propagate_necessity): Do not mark reaching defs of stores
14386         as necessary.
14387
14388 2009-06-30  Jan Hubicka  <jh@suse.cz>
14389
14390         * cfgloopanal.c (check_irred): Move into ...
14391         (mark_irreducible_loops): ... here; return true if ireducible
14392         loops was found.
14393         * ipa-pure-const.c: Include cfgloop.h and tree-scalar-evolution.h
14394         (analyze_function): Try to prove loop finiteness.
14395         * cfgloop.h (mark_irreducible_loops): Update prototype.
14396         * Makefile.in (ipa-pure-const.o): Add dependency on SCEV and CFGLOOP.
14397
14398 2009-06-30  Basile Starynkevitch  <basile@starynkevitch.net>
14399
14400         * Makefile.in (PLUGIN_HEADERS): added ggc, tree-dump, pretty-print.
14401
14402 2009-06-30  Ira Rosen  <irar@il.ibm.com>
14403
14404         PR tree-optimization/40542
14405         * tree-vect-stmts.c (vect_analyze_stmt): Don't vectorize volatile
14406         types.
14407
14408 2009-06-30  Martin Jambor  <mjambor@suse.cz>
14409
14410         PR tree-optimization/40582
14411         * tree-sra.c (build_ref_for_offset_1): Use types_compatible_p rather
14412         than useless_type_conversion_p.
14413         (generate_subtree_copies): Increment sra_stats.subtree_copies at a
14414         proper place.
14415
14416 2009-06-30  Martin Jambor  <mjambor@suse.cz>
14417
14418         PR middle-end/40554
14419         * tree-sra.c (sra_modify_expr): Add access->offset to start_offset.
14420
14421 2009-06-30  Richard Guenther  <rguenther@suse.de>
14422
14423         * tree-ssa-alias.c (walk_aliased_vdefs_1): Change interface to
14424         use ao_ref references.
14425         (walk_aliased_vdefs): Likewise.
14426         * tree-ssa-alias.h (walk_aliased_vdefs): Adjust prototype.
14427         * tree-ssa-dce.c (struct ref_data): Remove.
14428         (mark_aliased_reaching_defs_necessary_1): Use the ao_ref argument.
14429         (mark_aliased_reaching_defs_necessary): Adjust.
14430         (mark_all_reaching_defs_necessary_1): Likewise.
14431
14432 2009-06-30  Paolo Bonzini  <bonzini@gnu.org>
14433
14434         PR boostrap/40597
14435         * expmed.c (emit_cstore): New name of emit_store_flag_1.
14436         (emit_store_flag_1): Extract from emit_store_flag, adjust
14437         calls to (what now is) emit_cstore.
14438         (emit_store_flag): Call emit_store_flag_1 and also use it
14439         for what used to be recursive calls.
14440
14441 2009-06-30  Wei Guozhi  <carrot@google.com>
14442
14443         PR/40416
14444         * tree-ssa-sink.c (statement_sink_location): Stop sinking expression
14445         if the target bb post dominates from bb.
14446         * config/i386/i386.c (memory_address_length): Check existence of base
14447         register before using it.
14448
14449 2009-06-30  Nick Clifton  <nickc@redhat.com>
14450             DJ Delorie  <dj@redhat.com>
14451
14452         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
14453         __FMOVD_ENABLED__ is defined.
14454         * config/sh/sh.h
14455         (TARGET_FMOVD): Provide a default definition.
14456         (MASK_FMOVD): Likewise.
14457         (TARGET_CPU_CPP_BUILTINS): Define
14458         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
14459         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
14460         two fmov instructions depending upon whether TARGET_FMOVD is
14461         enabled.
14462         (split for DF load from memory into register): Also handle
14463         MEMs which consist of REG+DISP addressing.
14464         (split for DF store from register to memory): Likewise.
14465         * config/sh/sh.opt (mfmovd): Remove this switch.
14466         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
14467         * config/sh/sh.c (sh_override_options): Do not automatically
14468         enable TARGET_MOVD for the SH2A when supporting doubles - leave
14469         that to the -mfmovd command line switch.
14470
14471         * config/sh/sh.c (broken_move): Do not restrict fldi test to only
14472         the SH4 and SH4A.
14473         (fldi_ok): Always allow.
14474         * config/sh/sh.md (movsf_ie): Always use single fp_mode.
14475
14476 2009-06-29  DJ Delorie  <dj@redhat.com>
14477
14478         * doc/install.texi (mep-x-elf): Correct chip's full name.
14479
14480 2009-06-29  H.J. Lu  <hongjiu.lu@intel.com>
14481
14482         * doc/extend.texi: Fix typo.
14483
14484 2009-06-29  Tom Tromey  <tromey@redhat.com>
14485
14486         * dwarf2.h: Remove.
14487         * Makefile.in (DWARF2_H): New variable.
14488         (except.o): Use it.
14489         (dwarf2out.o): Likewise.
14490         (dwarf2asm.o): Likewise.
14491         * config/i386/t-i386: Use DWARF2_H.
14492         * except.c: Include elf/dwarf2.h.
14493         * unwind-dw2.c: Include elf/dwarf2.h.
14494         * dwarf2out.c: Include elf/dwarf2.h.
14495         (dw_loc_descr_struct) <dw_loc_opc>: Now a bitfield.
14496         <dtprel>: New field.
14497         (dwarf_stack_op_name): Don't handle INTERNAL_DW_OP_tls_addr.
14498         (size_of_loc_descr): Likewise.
14499         (output_loc_operands_raw): Likewise.
14500         (output_loc_operands): Handle new dtprel field.
14501         (loc_checksum): Update.
14502         (loc_descriptor_from_tree_1) <VAR_DDECL>: Set dtprel field.
14503         * unwind-dw2-fde-glibc.c: Include elf/dwarf2.h.
14504         * unwind-dw2-fde.c: Include elf/dwarf2.h.
14505         * dwarf2asm.c: Include elf/dwarf2.h.
14506         * unwind-dw2-fde-darwin.c: Include elf/dwarf2.h.
14507         * config/mmix/mmix.c: Include elf/dwarf2.h.
14508         * config/rs6000/darwin-fallback.c: Include elf/dwarf2.h.
14509         * config/xtensa/unwind-dw2-xtensa.c: Include elf/dwarf2.h.
14510         * config/sh/sh.c: Include elf/dwarf2.h.
14511         * config/i386/i386.c: Include elf/dwarf2.h.
14512
14513 2009-06-29  DJ Delorie  <dj@redhat.com>
14514
14515         * config/mep/mep.h (CPP_SPEC): Remove __cop macro.
14516
14517         * doc/extend.texi: Add MeP attributes and pragmas.
14518         * doc/invoke.text: Add MeP Options.
14519         * doc/contrib.texi: Add MeP contribution.
14520         * doc/md.texi: Add MeP constraints.
14521         * doc/install.texi: Add MeP target.
14522
14523 2009-06-30  Anatoly Sokolov  <aesok@post.ru>
14524
14525         * target.h (struct gcc_target): Add frame_pointer_required field.
14526         * target-def.h (TARGET_FRAME_POINTER_REQUIRED): New.
14527         (TARGET_INITIALIZER): Use TARGET_FRAME_POINTER_REQUIRED.
14528         * ira.c (setup_eliminable_regset): Use frame_pointer_required target
14529         hook.
14530         * reload1.c (update_eliminables): (Ditto.).
14531         * gcc/system.h (FRAME_POINTER_REQUIRED): Poison.
14532         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
14533         (INITIAL_FRAME_POINTER_OFFSET): (Ditto.).
14534
14535         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Remove macro.
14536
14537         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Remove macro.
14538         * config/arm/arm.c (TARGET_FRAME_POINTER_REQUIRED): Define.
14539         (arm_frame_pointer_required): New function.
14540
14541         * config/avr/avr.h (FRAME_POINTER_REQUIRED): Remove macro.
14542         * config/avr/avr.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
14543         (avr_frame_pointer_required_p): Declare as static.
14544         * config/avr/avr-protos.h (avr_frame_pointer_required_p): Remove.
14545
14546         * config/bfin/bfin.h (FRAME_POINTER_REQUIRED): Remove macro.
14547         * config/bfin/bfin.c (TARGET_FRAME_POINTER_REQUIRED): Define.
14548         (bfin_frame_pointer_required): Make as static, change return type
14549         to bool.
14550         * config/bfin/bfin-protos.h (bfin_frame_pointer_required): Remove.
14551
14552         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Remove macro.
14553         * config/cris/cris.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
14554         (cris_frame_pointer_required): New function.
14555
14556         * config/crx/crx.h (FRAME_POINTER_REQUIRED): Remove macro.
14557
14558         * config/fr30/fr30.h (FRAME_POINTER_REQUIRED): Remove macro.
14559         * config/fr30/fr30.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
14560         (fr30_frame_pointer_required): New function.
14561
14562         * config/frv/frv.h (FRAME_POINTER_REQUIRED): Remove macro.
14563         * config/frv/frv.c (TARGET_FRAME_POINTER_REQUIRED): Define.
14564         (frv_frame_pointer_required): Make as static, change return type
14565         to bool.
14566         * config/bfin/bfin-protos.h (frv_frame_pointer_required): Remove.
14567
14568         * config/i386/i386.h (FRAME_POINTER_REQUIRED): Remove macro.
14569         * config/i386/i386.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
14570         (ix86_frame_pointer_required): Make as static, change return type to
14571         bool.
14572         * config/i386/i386-protos.h (ix86_frame_pointer_required): Remove.
14573
14574         * config/m32c/m32c.h (FRAME_POINTER_REQUIRED): Remove macro.
14575         * config/m32c/m32c.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
14576
14577         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Remove macro.
14578
14579         * config/mcore/mcore.h (CAN_ELIMINATE): Remove macro.
14580
14581         * config/mep/mep.h (FRAME_POINTER_REQUIRED): Remove macro.
14582
14583         * config/mips/mips.h (FRAME_POINTER_REQUIRED): Remove macro.
14584         * config/mips/mips.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
14585         (mips_frame_pointer_required): Make as static.
14586         * config/mips/mips-protos.h (mips_frame_pointer_required): Remove.
14587
14588         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Remove macro.
14589         * config/mmix/mmix.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
14590         (mmix_frame_pointer_required): Mew function.
14591
14592         * config/moxie/moxie.h (FRAME_POINTER_REQUIRED): Remove macro.
14593         * config/moxie/moxie.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
14594
14595         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Remove macro.
14596
14597         * config/score/score.h (FRAME_POINTER_REQUIRED): Remove macro.
14598
14599         * config/sh/sh.h (CAN_ELIMINATE): Remove macro.
14600
14601         * config/sparc/sparc.h (FRAME_POINTER_REQUIRED): Remove macro.
14602         (CAN_ELIMINATE): Redefine.
14603         * config/sparc/sparc.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
14604         (sparc_frame_pointer_required): New function.
14605         (sparc_can_eliminate): New function.
14606         * config/sparc/sparc-protos.h (sparc_can_eliminate): Declare.
14607
14608         * config/vax/vax.h (FRAME_POINTER_REQUIRED): Remove macro.
14609         * config/vax/vax.c (TARGET_FRAME_POINTER_REQUIRED): Define.
14610
14611         * config/xtensa/xtensa.h (FRAME_POINTER_REQUIRED): Remove macro.
14612         * config/xtensa/xtensa.c (TARGET_FRAME_POINTER_REQUIRED): Define.
14613         (xtensa_frame_pointer_required): Make as static, change return type
14614         to bool.
14615         * config/xtensa/xtensa-protos.h (xtensa_frame_pointer_required):
14616         Remove.
14617
14618 2009-06-29  Olatunji Ruwase  <tjruwase@google.com>
14619
14620         * doc/plugins.texi: Document PLUGIN_START_UNIT.
14621         * toplev.c (compile_file): Call PLUGIN_START_UNIT.
14622         * gcc-plugin.h (PLUGIN_START_UNIT): Added new event.
14623         * plugin.c (plugin_event_name): Added PLUGIN_START_UNIT.
14624         (register_callback): Handle PLUGIN_START_UNIT.
14625         (invoke_plugin_callbacks): Handle PLUGIN_START_UNIT.
14626
14627 2009-06-29  Eric Botcazou  <ebotcazou@adacore.com>
14628
14629         * tree.c (process_call_operands): Propagate TREE_READONLY from the
14630         operands.
14631         (PROCESS_ARG): Do not clear TREE_READONLY if CONSTANT_CLASS_P.
14632         (build3_stat): Propagate TREE_READONLY for COND_EXPR.
14633
14634 2009-06-29  Daniel Jacobowitz  <dan@codesourcery.com>
14635
14636         * config/arm/arm.h (REGISTER_MOVE_COST): Increase VFP register
14637         move cost.
14638
14639 2009-06-29  Uros Bizjak  <ubizjak@gmail.com>
14640
14641         * doc/extend.texi (Additional Floating Types): __float128 is also
14642         supported on i386 targets.
14643
14644 2009-06-29  Richard Guenther  <rguenther@suse.de>
14645
14646         PR middle-end/14187
14647         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
14648         flag.
14649         (pt_solutions_same_restrict_base): Declare.
14650         * tree-ssa-structalias.c (struct variable_info): Add is_restrict_var
14651         flag.
14652         (new_var_info): Initialize is_global_var properly for SSA_NAMEs.
14653         (make_constraint_from, make_copy_constraint): Move earlier.
14654         (make_constraint_from_heapvar): New function.
14655         (make_constraint_from_restrict): Likewise.
14656         (handle_lhs_call): Use it.
14657         (find_func_aliases): Use it to track conversions to restrict
14658         qualified pointers.
14659         (struct fieldoff): Add only_restrict_pointers flag.
14660         (push_fields_onto_fieldstack): Initialize it.
14661         (create_variable_info_for): Track global restrict qualified pointers.
14662         (intra_create_variable_infos): Use make_constraint_from_heapvar.
14663         Track restrict qualified pointer arguments.
14664         (set_uids_in_ptset): Use varinfo is_global_var flag.
14665         (find_what_var_points_to): Set the vars_contains_restrict flag.
14666         Always create the points-to solution for sets including restrict tags.
14667         (pt_solutions_same_restrict_base): New function.
14668         * tree-ssa-alias.c (ptr_derefs_may_alias_p): For two restrict
14669         qualified pointers use pt_solutions_same_restrict_base as
14670         additional source for disambiguation.
14671
14672 2009-06-29  Richard Guenther  <rguenther@suse.de>
14673
14674         PR middle-end/38212
14675         * alias.c (find_base_decl): Remove.
14676         (get_deref_alias_set_1): Remove restrict handling.
14677         * c-common.c (c_apply_type_quals_to_decl): Do not set
14678         DECL_POINTER_ALIAS_SET.
14679         * gimplify.c (find_single_pointer_decl_1): Remove.
14680         (find_single_pointer_decl): Likewise.
14681         (internal_get_tmp_var): Remove restrict handling.
14682         (gimple_regimplify_operands): Likewise.
14683         * omp-low.c (expand_omp_atomic_pipeline): Do not set
14684         DECL_POINTER_ALIAS_SET. Use ref-all pointers.
14685         * print-tree.c (print_node): Do not print DECL_POINTER_ALIAS_SET.
14686         * tree.c (restrict_base_for_decl): Remove.
14687         (init_ttree): Do not allocate it.
14688         (make_node_stat): Do not set DECL_POINTER_ALIAS_SET.  Set
14689         LABEL_DECL_UID for label decls.
14690         (copy_node_stat): Do not copy restrict information.
14691         (decl_restrict_base_lookup): Remove.
14692         (decl_restrict_base_insert): Likewise.
14693         (print_restrict_base_statistics): Likewise.
14694         (dump_tree_statistics): Do not call print_restrict_base_statistics.
14695         * tree.h (DECL_POINTER_ALIAS_SET): Remove.
14696         (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
14697         (struct tree_decl_common): Rename pointer_alias_set to label_decl_uid.
14698         (LABEL_DECL_UID): Adjust.
14699         (DECL_BASED_ON_RESTRICT_P): Remove.
14700         (DECL_GET_RESTRICT_BASE): Likewise.
14701         (SET_DECL_RESTRICT_BASE): Likewise.
14702         (struct tree_decl_with_vis): Remove based_on_restrict_p flag.
14703
14704         * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers
14705         instead of DECL_POINTER_ALIAS_SET.
14706         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
14707         * config/s390/s390.c (s390_gimplify_va_arg): Likewise.
14708         * config/spu/spu.c (spu_gimplify_va_arg_expr): Likewise.
14709
14710 2009-06-29  Richard Guenther  <rguenther@suse.de>
14711
14712         PR tree-optimization/40579
14713         * tree-vrp.c (vrp_evaluate_conditional): Bail out early if
14714         the IL to simplify has constants that overflowed.
14715
14716 2009-06-28  Uros Bizjak  <ubizjak@gmail.com>
14717
14718         PR tree-optimization/40550
14719         * tree-vect-generic.c (expand_vector_operations_1): Compute in
14720         vector_compute_type only when the size of vector_compute_type is
14721         less than the size of type.
14722
14723 2009-06-28  Eric Botcazou  <ebotcazou@adacore.com>
14724
14725         * fold-const.c (contains_label_1): Fix comments.
14726         (contains_label_p): Do not walk trees multiple time.
14727
14728 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
14729
14730         * config/i386/i386.h (enum ix86_fpcmp_strategy): New.
14731         * config/i386/i386.md (cbranchxf4, cstorexf4, cbranch<MODEF>4,
14732         cstore<MODEF>4, mov<X87MODEF>cc): Change predicate to
14733         ix86_fp_comparison_operator.
14734         (*fp_jcc_1_mixed, *fp_jcc_1_sse, *fp_jcc_1_387, *fp_jcc_2_mixed,
14735         *fp_jcc_2_sse, *fp_jcc_2_387): Delete
14736         (*fp_jcc_3_387, *fp_jcc_4_387, *fp_jcc_5_387, *fp_jcc_6_387,
14737         *fp_jcc_7_387, *fp_jcc_8<MODEF>_387): Eliminate call to
14738         !ix86_use_fcomi_compare, change ix86_fp_jump_nontrivial_p call
14739         to !TARGET_CMOVE, change predicate to ix86_fp_comparison_operator.
14740         (related splits): Change predicate to ix86_fp_comparison_operator.
14741         * config/i386/predicates.md: Use ix86_trivial_fp_comparison_operator
14742         instead of ix86_fp_comparison_codes.
14743         (ix86_trivial_fp_comparison_operator,
14744         ix86_fp_comparison_operator): New.
14745         * config/i386/i386-protos.h (ix86_fp_comparison_strategy): New.
14746         (ix86_expand_compare): Eliminate last two parameters.
14747         (ix86_fp_jump_nontrivial_p): Kill.
14748         * config/i386/i386.c (put_condition_code): Eliminate call to
14749         ix86_fp_comparison_codes and subsequent assertion.
14750         (ix86_fp_comparison_codes): Eliminate.
14751         (ix86_fp_swap_condition): New.
14752         (ix86_fp_comparison_arithmetics_cost, ix86_fp_comparison_fcomi_cost,
14753         ix86_fp_comparison_sahf_cost, ix86_use_fcomi_compare): Consolidate
14754         into ix86_fp_comparison_cost and ix86_fp_comparison_strategy.
14755         (ix86_prepare_fp_compare_args): Use ix86_fp_comparison_strategy
14756         and ix86_fp_swap_condition.
14757         (ix86_expand_fp_compare): Eliminate code for second jump/bypass jump.
14758         Use ix86_fp_comparison_strategy.
14759         (ix86_expand_compare): Likewise.  Eliminate last two arguments.
14760         (ix86_fp_jump_nontrivial_p): Eliminate.
14761         (ix86_expand_branch): Treat SFmode/DFmode/XFmode as simple.  Adjust
14762         call to ix86_expand_compare.
14763         (ix86_split_fp_branch, ix86_expand_setcc,
14764         ix86_expand_carry_flag_compare, ix86_expand_int_movcc,
14765         ix86_expand_fp_movcc): Eliminate code for second jump/bypass jump.
14766
14767 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
14768
14769         * config/arm/arm.c (arm_final_prescan_ins): Eliminate code
14770         related to jump_clobbers.
14771         * config/arm/arm.md (conds): Remove jump_clob case.
14772         (addsi3_cbranch, addsi3_cbranch_scratch, subsi3_cbranch, two
14773         splits): Change comparison_operator to arm_comparison_operator.
14774         (*arm_buneq, *arm_bltgt, *arm_buneq_reversed, *arm_bltgt_reversed):
14775         Eliminate.
14776
14777 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
14778
14779         * dojump.c (do_compare_rtx_and_jump): Try swapping the
14780         condition for floating point modes.
14781         * expmed.c (emit_store_flag_1): Move here a bigger part
14782         of emit_store_flag.
14783         (emit_store_flag): Try swapping the condition for floating point
14784         modes.
14785         * optabs.c (emit_cmp_and_jump_insns): Cope with constant op0 better.
14786
14787 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
14788
14789         * expr.c (expand_expr_real_1): Just use do_store_flag.
14790         (do_store_flag): Drop support for TRUTH_NOT_EXPR.  Use
14791         emit_store_flag_force.
14792         * expmed.c (emit_store_flag_force): Copy here trick
14793         previously in expand_expr_real_1.  Try reversing the comparison.
14794         (emit_store_flag_1): Work if target is NULL.
14795         (emit_store_flag): Work if target is NULL, using the result mode
14796         from the comparison.  Use split_comparison, restructure final part
14797         to simplify conditionals.
14798
14799 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
14800
14801         * builtins.c (expand_errno_check): Use do_compare_rtx_and_jump.
14802         * dojump.c (do_jump): Change handling of floating-point
14803         ops to use just do_compare_and_jump.
14804         (split_comparison): New.
14805         (do_compare_rtx_and_jump): Add here logic coming previously
14806         in do_jump, using split_comparison.
14807
14808 2009-06-27  H.J. Lu  <hongjiu.lu@intel.com>
14809
14810         PR target/40489
14811         * config/ia64/ia64.c (ia64_reorg): Check NULL insn.
14812
14813 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
14814
14815         * tree-ssa-alias.c: Fix unintentional commit.
14816
14817 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
14818
14819         * passes.c (execute_one_pass): Fix unintentional commit.
14820
14821 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
14822
14823         * df-problems.c (df_set_seen, df_unset_seen): Delete.
14824         (df_rd_local_compute, df_md_local_compute): Inline them.
14825
14826         (df_md_scratch): New.
14827         (df_md_alloc, df_md_free): Allocate/free it.
14828         (df_md_local_compute): Only include live registers in init.
14829         (df_md_transfer_function): Prune the in-set computed by
14830         the confluence function, and the gen-set too.
14831
14832 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
14833
14834         PR rtl-optimization/26854
14835         * timevar.def: Remove TV_DF_RU, add TV_DF_MD.
14836         * df-problems.c (df_rd_add_problem): Fix comment.
14837         (df_md_set_bb_info, df_md_free_bb_info, df_md_alloc,
14838         df_md_simulate_artificial_defs_at_top,
14839         df_md_simulate_one_insn, df_md_bb_local_compute_process_def,
14840         df_md_bb_local_compute, df_md_local_compute, df_md_reset,
14841         df_md_transfer_function, df_md_init, df_md_confluence_0,
14842         df_md_confluence_n, df_md_free, df_md_top_dump, df_md_bottom_dump,
14843         problem_MD, df_md_add_problem): New.
14844         * df.h (DF_MD, DF_MD_BB_INFO, struct df_md_bb_info, df_md,
14845         df_md_get_bb_info): New.
14846         (DF_LAST_PROBLEM_PLUS1): Adjust.
14847
14848         * Makefile.in (fwprop.o): Include domwalk.h.
14849         * fwprop.c: Include domwalk.h.
14850         (reg_defs, reg_defs_stack): New.
14851         (bitmap_only_bit_between): Remove.
14852         (process_defs): New.
14853         (process_uses): Use reg_defs and local_md instead of
14854         bitmap_only_bit_between and local_rd.
14855         (single_def_use_enter_block): New, from build_single_def_use_links.
14856         (single_def_use_leave_block): New.
14857         (build_single_def_use_links): Remove code moved to
14858         single_def_use_enter_block, invoke domwalk.
14859         (use_killed_between): Adjust comment.
14860
14861 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
14862
14863         * bitmap.h (bitmap_ior_and_into): New.
14864         * bitmap.c (bitmap_ior_and_into): New.
14865
14866 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
14867
14868         * domwalk.h (struct dom_walk_data): Remove all callbacks except
14869         before_dom_children_before_stmts and after_dom_children_after_stmts.
14870         Rename the two remaining callbacks to just before_dom_children and
14871         after_dom_children. Remove other GIMPLE statement walking bits.
14872         * domwalk.c (walk_dominator_tree): Remove now unsupported features.
14873         * graphite.c: Do not include domwalk.h.
14874         * tree-into-ssa.c (interesting_blocks): New global.
14875         (struct mark_def_sites_global_data): Remove it and names_to_rename.
14876         (mark_def_sites, rewrite_stmt, rewrite_add_phi_arguments,
14877         rewrite_update_stmt, rewrite_update_phi_arguments): Simplify
14878         now that they're not domwalk callbacks.
14879         (rewrite_initialize_block): Rename to...
14880         (rewrite_enter_block): ... this, place after called functions.  Test
14881         interesting_blocks, call rewrite_stmt and rewrite_add_phi_arguments.
14882         (rewrite_finalize_block): Rename to...
14883         (rewrite_leave_block): ... this, place after called functions.
14884         (rewrite_update_init_block): Rename to...
14885         (rewrite_update_enter_block): ... this, place after called functions.
14886         Test interesting_blocks, call rewrite_update_stmt and
14887         rewrite_update_phi_arguments.
14888         (rewrite_update_fini_block): Rename to...
14889         (rewrite_leave_block): ... this, place after called functions.
14890         (rewrite_blocks): Remove last argument, simplify initialization of
14891         walk_data.
14892         (mark_def_sites_initialize_block): Rename to...
14893         (mark_def_sites_block): ... this, call mark_def_sites.
14894         (mark_def_sites_blocks): Remove argument, simplify initialization of
14895         walk_data.
14896         (rewrite_into_ssa): Adjust for interesting_blocks_being a global.
14897         (update_ssa): Likewise.
14898         * tree-ssa-dom.c (optimize_stmt): Simplify now that it's not a domwalk
14899         callback.
14900         (tree_ssa_dominator_optimize): Simplify initialization of walk_data.
14901         (dom_opt_initialize_block): Rename to...
14902         (dom_opt_enter_block): ... this, place after called functions.  Walk
14903         statements here, inline propagate_to_outgoing_edges.
14904         (dom_opt_finalize_block): Rename to...
14905         (dom_opt_leave_block): ... this, place after called functions.
14906         * tree-ssa-dse.c (dse_optimize_stmt): Simplify now that it's not a
14907         domwalk callback.
14908         (dse_enter_block, dse_record_phi): New.
14909         (dse_record_phis): Delete.
14910         (dse_finalize_block): Rename to...
14911         (dse_leave_block): ... this.
14912         (tree_ssa_dse): Simplify initialization of walk_data.
14913         * tree-ssa-loop-im.c (determine_invariantness, move_computations):
14914         Adjust initialization of walk_data.
14915         * tree-ssa-loop-unswitch.c: Do not include domwalk.h.
14916         * tree-ssa-loop-phiopt.c (get_non_trapping):
14917         Adjust initialization of walk_data.
14918         * tree-ssa-loop-threadedge.c: Do not include domwalk.h.
14919         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Simplify now that
14920         it's not a domwalk callback.
14921         (uncprop_initialize_block): Rename to...
14922         (dse_enter_block): ... this, call uncprop_into_successor_phis.
14923         (dse_finalize_block): Rename to...
14924         (dse_leave_block): ... this.
14925         (tree_ssa_uncprop): Simplify initialization of walk_data.
14926         * Makefile.in: Adjust dependencies.
14927
14928 2009-06-27  Richard Earnshaw  <rearnsha@arm.com>
14929
14930         * arm.md (casesi): Fix test for Thumb1.
14931         (thumb1_casesi_internal_pic): Likewise.
14932         (thumb1_casesi_dispatch): Likewise.
14933
14934 2009-06-26  Daniel Gutson  <dgutson@codesourcery.com>
14935
14936         * config/arm/arm-cores.def: Added core cortex-m0.
14937         * config/arm/arm-tune.md: Regenerated.
14938         * doc/invoke.texi: Added entry for cpu ARM Cortex-M0.
14939
14940 2009-06-26  DJ Delorie  <dj@redhat.com>
14941
14942         * config/mep/mep.opt (mfar): Remove -mfar as it doesn't do anything.
14943
14944         * config/mep/mep.c (mep_bundle_insns): Account for the fact that
14945         the scheduler doesn't tag jump insns.
14946
14947 2009-06-26  H.J. Lu  <hongjiu.lu@intel.com>
14948
14949         * c-decl.c (merge_decls): Re-indent.
14950
14951 2009-06-26  Janis Johnson  <janis187@us.ibm.com>
14952
14953         PR c/39902
14954         * tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
14955         Special-case decimal float constants.
14956
14957 2009-06-26  Richard Henderson  <rth@redhat.com>
14958
14959         * function.h (struct function): Add cannot_be_copied_reason,
14960         and cannot_be_copied_set.
14961         * tree-inline.c (has_label_address_in_static_1): Rename from
14962         inline_forbidden_p_2; don't set inline_forbidden_reason here.
14963         (cannot_copy_type_1): Rename from inline_forbidden_p_op; likewise
14964         don't set inline_forbidden_reason.
14965         (copy_forbidden): New function, split out of inline_forbidden_p.
14966         (inline_forbidden_p_stmt): Don't check for nonlocal labels here.
14967         (inline_forbidden_p): Use copy_forbidden.
14968         (tree_versionable_function_p): Likewise.
14969         (inlinable_function_p): Merge into tree_inlinable_function_p.
14970         (tree_function_versioning): Remap cfun->nonlocal_goto_save_area.
14971         * ipa-cp.c (ipcp_versionable_function_p): New function.
14972         (ipcp_cloning_candidate_p): Use it.
14973         (ipcp_node_modifiable_p): Likewise.
14974
14975 2009-06-26  Olatunji Ruwase  <tjruwase@google.com>
14976
14977         * builtins.c (expand_builtin_alloca): Handle builtin alloca
14978         that is marked not to be inlined. Remove flag_mudflap use.
14979         * tree-mudflap.c: Rename mf_xform_derefs to mf_xfrom_statements.
14980         (mf_xform_statements): Mark builtin alloca calls as un-inlineable.
14981
14982 2009-06-26  Steve Ellcey  <sje@cup.hp.com>
14983
14984         PR bootstrap/40338
14985         * config/pa/t-pa-hpux10 (TARGET_LIBGCC2_CFLAGS): Add -frandom-seed.
14986         * config/pa/t-pa-hpux11 (TARGET_LIBGCC2_CFLAGS): Ditto.
14987
14988 2009-06-26  Kai Tietz  <kai.tietz@onevision.com>
14989
14990         * config/i386/mingw-tls.c (__mingwthr_key_dtor): Remove for none
14991         shared libgcc.
14992         (__mingwthr_remove_key_dtor): Likewise.
14993
14994 2009-06-26  Richard Guenther  <rguenther@suse.de>
14995
14996         * tree-ssa-structalias.c (do_ds_constraint): Simplify escape handling.
14997
14998 2009-06-26  Steven Bosscher  <steven@gcc.gnu.org>
14999
15000         PR middle-end/40525
15001         * ifcvt.c (dead_or_predicable): If predicating MERGE_BB fails,
15002         try the non-cond_exec path also.
15003
15004 2009-06-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15005
15006         PR target/40468
15007         * pa.c (branch_to_delay_slot_p, branch_needs_nop_p): New functions.
15008         (output_cbranch): Use new functions.
15009         (output_lbranch, output_bb, output_bvb, output_dbra, output_movb):
15010         Likewise.
15011
15012 2009-06-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
15013             Pat Haugen  <pthaugen@us.ibm.com>
15014             Revital Eres <ERES@il.ibm.com>
15015
15016         * config/rs6000/rs6000.c (print_operand): Correct lossage message
15017         for %c error.  Add %x support to print VSX registers as a unified
15018         register set, instead of separate float and altivec registers.
15019         Switch to use VECTOR_MEM_ALTIVEC_P instead of TARGET_ALTIVEC for
15020         %y case, and add support for VSX pre-modify addresses.
15021         (output_toc): Add assert for CONST containing an integer constant
15022         in the PLUS case.
15023         (rs6000_adjust_cost): Add POWER7 support.
15024         (insn_must_be_first_in_group): Ditto.
15025         (insn_must_be_last_in_group): Ditto.
15026         (rs6000_emit_popcount): Ditto.
15027         (rs6000_vector_mode_supported_p): Ditto.
15028
15029         * config/rs6000/rs6000-protos.h (rs6000_secondary_reload_class):
15030         Change some of the functions called by macros to being called
15031         through a pointer, so debug functions can be inserted if
15032         -mdebug=addr or -mdebug=cost.
15033         (rs6000_preferred_reload_class_ptr): Ditto.
15034         (rs6000_secondary_reload_class_ptr): Ditto.
15035         (rs6000_secondary_memory_needed_ptr): Ditto.
15036         (rs6000_cannot_change_mode_class_ptr): Ditto.
15037         (rs6000_secondary_reload_inner): Ditto.
15038         (rs6000_legitimize_reload_address): Ditto.
15039         (rs6000_legitimize_reload_address_ptr): Ditto.
15040         (rs6000_mode_dependent_address): Ditto.
15041         (rs6000_mode_dependent_address_ptr): Ditto.
15042
15043         * config/rs6000/rs6000.c (reg_offset_addressing_ok_p): New
15044         function to return true if the mode allows reg + integer
15045         addresses.
15046         (virtual_stack_registers_memory_p): New function to return true if
15047         the address refers to a virtual stack register.
15048         (rs6000_legitimate_offset_address_p): Move code to say whether a
15049         mode supports reg+int addressing to reg_offset_addressing_ok_p and
15050         call it.
15051         (rs6000_legitimate_address_p): Add checks for modes that only can
15052         do reg+reg addressing.  Start adding VSX support.
15053         (rs6000_legitimize_reload_address): Ditto.
15054         (rs6000_legitimize_address): Ditto.
15055         (rs6000_debug_legitimate_address_p): New debug functions for
15056         -mdebug=addr and -mdebug=cost.
15057         (rs6000_debug_rtx_costs): Ditto.
15058         (rs6000_debug_address_costs): Ditto.
15059         (rs6000_debug_adjust_cost): Ditto.
15060         (rs6000_debug_legitimize_address): Ditto.
15061         (rs6000_legitimize_reload_address_ptr): Point to call normal
15062         function or debug function.  Make functions called via pointer
15063         static.
15064         (rs6000_mode_dependent_address_ptr): Ditto.
15065         (rs6000_secondary_reload_class_ptr): Ditto.
15066         (rs6000_hard_regno_mode_ok): Add preliminary VSX support.
15067         (rs6000_emit_move): Add -mdebug=addr support.  Change an abort
15068         into a friendlier error.
15069         (rs6000_init_builtins): Add initial VSX support.
15070         (rs6000_adjust_cost): Fix some spacing issues.
15071
15072         * config/rs6000/rs6000.h (enum reg_class): Add VSX_REGS.
15073         (REG_CLASS_NAMES): Ditto.
15074         (REG_CLASS_CONTENTS): Ditto.
15075         (PREFERRED_RELOAD_CLASS): Move from a macro to calling through a
15076         pointer, to add -mdebug=addr support.
15077         (CANNOT_CHANGE_MODE_CLASS): Ditto.
15078         (SECONDARY_RELOAD_CLASS): Call through a pointer to add
15079         -mdebug=addr support.
15080         (LEGITIMIZE_RELOAD_ADDRESS): Ditto.
15081         (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
15082         (enum rs6000_builtins): Add RS6000_BUILTIN_BSWAP_HI.
15083
15084         * config/rs6000/rs6000.md (bswaphi*): Add support for swapping
15085         16-bit values.
15086         (bswapsi*): Set attribute types for load/store.  Add combiner
15087         patterns to eliminate zero extend on 64-bit.
15088         (bswapdi*): Add support for swapping 64-bit values.  Use ldbrx and
15089         stdbrx if the hardware supports those instructions.
15090
15091 2009-06-25  Ian Lance Taylor  <iant@google.com>
15092
15093         * doc/invoke.texi (Option Summary): Mention -static-libstdc++.
15094         (Link Options): Document -static-libstdc++.
15095
15096 2009-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15097
15098         PR target/38731
15099         * config/rs6000/rs6000.c (LOCAL_ALIGNMENT): Redefine to just use
15100         DATA_ALIGNMENT instead.
15101
15102 2009-06-25  Richard Guenther  <rguenther@suse.de>
15103
15104         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Disambiguate
15105         indirect references against the callused/escaped solutions.
15106         (call_may_clobber_ref_p_1): Likewise.
15107
15108 2009-06-25  Martin Jambor  <mjambor@suse.cz>
15109
15110         PR tree-optimization/40493
15111         * tree-sra.c (sra_modify_expr): Correct BIT_FIELD_REF argument numbers.
15112         (enum unscalarized_data_handling): New type.
15113         (handle_unscalarized_data_in_subtree): Return what has been done.
15114         (load_assign_lhs_subreplacements): Handle left flushes differently.
15115         (sra_modify_assign): Use unscalarized_data_handling, simplified
15116         condition determining whether to remove the statement.
15117
15118 2009-06-25  Basile Starynkevitch  <basile@starynkevitch.net>
15119
15120         * doc/plugins.texi (Building GCC plugins): Correct typo in Makefile
15121         excerpt - @ should be doubled for texinfo.
15122
15123 2009-06-24  Ian Lance Taylor  <iant@google.com>
15124
15125         * config/arc/arc.c: Include "df.h".
15126         (arc_attribute_table): Make static.  Move higher in file.
15127         (arc_address_cost): Call SMALL_INT on INTVAL, not rtx.
15128         (output_shift): Initialize n later to avoid warning.
15129         * config/arm/arm.c (arm_attribute_table): Make static.  Move
15130         higher in file.
15131         * config/avr/avr.c (avr_attribute_table): Make static.  Move
15132         higher in file.
15133         (reg_class_tab): Change array type from int to enum reg_class.
15134         (avr_jump_mode): Change GET_MODE to GET_CODE when checking for
15135         LABEL_REF.
15136         (out_tsthi, ashlhi3_out): Don't use AS2 with "or" or "and".
15137         (lshrhi3_out): Likewise.
15138         (class_likely_spilled_p): Change return type to bool.
15139         (avr_rtx_costs): Use local code variable with enum type.
15140         * config/avr/avr.md (movmemhi): Use add_reg_note.
15141         (andhi3, andsi3): Don't use AS2 with "and".
15142         (iorhi3, iorsi3): Don't use AS2 with "or".
15143         * config/avr/avr-protos.h (class_likely_spilled_p): Update declaration.
15144         * config/crx/crx.c: Include "df.h".
15145         (crx_attribute_table): Make static.
15146         * config/m32r/m32r.c: Include "df.h".
15147         (m32r_attribute_table): Make static.  Move higher in file.
15148         (pop): Use add_reg_note.
15149         (block_move_call): Change 0 to LCT_NORMAL in function call.
15150         * config/m32r/m32r.md (movsi_insn): Remove unused local value.
15151         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Likewise.
15152         * config/m32r/m32r-protos.h (m32r_compute_function_type): Always
15153         declare, not just when TREE_CODE is defined.
15154         * config/m68hc11/m68hc11.c: Include "expr.h".
15155         (m68hc11_attribute_table): Make static.  Move higher in file.
15156         (m68hc11_small_indexed_indirect_p): Change 0 to VOIDmode in
15157         function call.
15158         (m68hc11_register_indirect_p): Likewise.
15159         (m68hc11_function_arg_padding): Change return type to enum
15160         direction.
15161         (emit_move_after_reload): Use add_reg_note.
15162         (m68hc11_emit_logical): Change code parameter to enum rtx_code.
15163         (m68hc11_split_logical): Likewise.
15164         (m68hc11_rtx_costs): Add local code_and outer_code variables with
15165         enum type.
15166         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Change 0
15167         to VOIDmode in function call.
15168         * config/m68hc11/m68hc11-protos.h: Don't check TREE_CODE to see if
15169         tree is defined.
15170         (m68hc11_split_logical): Update declaration.
15171         (m68hc11_function_arg_padding): Update declaration.
15172         * config/mcore/mcore.c (regno_reg_class): Change form array of int
15173         to array of enum reg_class.
15174         (mcore_attribute_table): Make static.  Move higher in file.
15175         (mcore_rtx_costs): Add cast to enum type.
15176         * config/mcore/mcore.h (regno_reg_class): Update declaration.
15177         (GO_IF_LEGITIMATE_INDEX): Add cast to avoid warning.
15178         * config/sh/sh.c (sh_attribute_table): Make static.  Move higher
15179         in file.
15180         * config/sh/predicates.md (trapping_target_operand): Rename and to
15181         and_expr.
15182         * config/sparc/sparc.c (sparc_attribute_table): Make static.  Move
15183         higher in file.
15184         * config/spu/spu.c (spu_attribute_table): Make static.  Move
15185         higher in file.
15186         * config/v850/v850.c (v850_attribute_table): Make static.  Move
15187         higher in file.
15188         (v850_rtx_costs): Use local code with enum type.
15189         (expand_epilogue): Add cast.
15190         * config/v850/v850-c.c (ghs_pragma_section): Initialize repeat.
15191
15192 2009-06-23  Takashi YOSHII  <yoshii.takashi@renesas.com>
15193
15194         PR target/40515
15195         * doc/invoke.texi (SH Options): Document -m2a, -m2a-single,
15196         -m2a-single-only and -m2a-nofpu.
15197         * config/sh/sh.opt: Document m2a generates FPU code.
15198
15199 2009-06-24  Anatoly Sokolov  <aesok@post.ru>
15200
15201         * defaults.h (CAN_ELIMINATE): Provide default.
15202         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
15203         * config/alpha/alpha.h (CAN_ELIMINATE): Delete.
15204         * config/m32c/m32c.h (CAN_ELIMINATE): Delete.
15205         * config/spu/spu.h (CAN_ELIMINATE): Delete.
15206         * config/xtensa/xtensa.h (CAN_ELIMINATE): Delete.
15207         * config/moxie/moxie.h (CAN_ELIMINATE): Delete.
15208         * config/cris/cris.h (CAN_ELIMINATE): Delete.
15209         * config/mn10300/mn10300.h (CAN_ELIMINATE): Delete.
15210         * config/pa/pa64-linux.h (CAN_ELIMINATE): Delete.
15211         * config/mmix/mmix.h (CAN_ELIMINATE): Delete.
15212
15213 2009-06-24  DJ Delorie  <dj@redhat.com>
15214
15215         * mep-ext-cop.cpu: Fix copyright notice.
15216         * mep-default: Fix copyright notice.
15217         * mep-core: Fix copyright notice.
15218         * mep: Fix copyright notice.
15219         * mep-ivc2: Fix copyright notice.
15220         * mep-c5: Fix copyright notice.
15221
15222 2009-06-24  Denis Chertykov  <chertykov@gmail.com>
15223
15224         * doc/contrib.texi (Contributors):
15225
15226 2009-06-24  Andreas Krebbel  <krebbel1@de.ibm.com>
15227
15228         PR middle-end/40501
15229         * tree-ssa-math-opts.c (execute_optimize_bswap): Convert the bswap
15230         src and dst operands if necessary.
15231
15232 2009-06-23  DJ Delorie  <dj@redhat.com>
15233
15234         Add MeP port.
15235         * config.gcc: Add mep support.
15236         * recog.c: Resurrect validate_replace_rtx_subexp().
15237         * recog.h: Likewise.
15238         * config/mep/: Add new port:
15239         * config/mep/constraints.md: New file.
15240         * config/mep/default.h: New file.
15241         * config/mep/intrinsics.h: New file.
15242         * config/mep/intrinsics.md: New file.
15243         * config/mep/ivc2-template.h: New file.
15244         * config/mep/mep-c5.cpu: New file.
15245         * config/mep/mep-core.cpu: New file.
15246         * config/mep/mep-default.cpu: New file.
15247         * config/mep/mep-ext-cop.cpu: New file.
15248         * config/mep/mep-intrin.h: New file.
15249         * config/mep/mep-ivc2.cpu: New file.
15250         * config/mep/mep-lib1.asm: New file.
15251         * config/mep/mep-lib2.c: New file.
15252         * config/mep/mep-pragma.c: New file.
15253         * config/mep/mep-protos.h: New file.
15254         * config/mep/mep-tramp.c: New file.
15255         * config/mep/mep.c: New file.
15256         * config/mep/mep.cpu: New file.
15257         * config/mep/mep.h: New file.
15258         * config/mep/mep.md: New file.
15259         * config/mep/mep.opt: New file.
15260         * config/mep/predicates.md: New file.
15261         * config/mep/t-mep: New file.
15262
15263 2009-06-23  Ian Lance Taylor  <iant@google.com>
15264
15265         * configure.ac: Invoke AC_PROG_CXX.  Separate C specific warnings
15266         from loose_warn into c_loose_warn and from strict_warn into
15267         c_strict_warn.  Set and substitute warn_cxxflags.  Check for
15268         --enable-build-with-cxx.  Set and substitute
15269         ENABLE_BUILD_WITH_CXX.  Set and substitute HOST_LIBS.
15270         * Makefile.in (CXXFLAGS): New variable.
15271         (C_LOOSE_WARN, C_STRICT_WARN): New variables.
15272         (GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN).  Add $(C_STRICT_WARN) if
15273         the default is the same as $(STRICT_WARN).
15274         (GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables.
15275         (CXX): New variable.
15276         (COMPILER): New value if ENABLE_BUILD_WITH_CXX.
15277         (COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise.
15278         (ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise.
15279         (HOST_LIBS): New variable.
15280         (GCC_CFLAGS): Add $(C_LOOSE_WARN).
15281         (ALL_CXXFLAGS): New variable.
15282         (LIBS, BACKENDLIBS): Add $(HOST_LIBS).
15283         * doc/install.texi (Configuration): Document
15284         --enable-build-with-cxx, --with-stage1-ldflags,
15285         --with-stage1-libs, --with-boot-ldflags, --with-boot-libs.
15286         * configure: Rebuild.
15287
15288 2009-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
15289
15290         * config/arm/arm.c (arm_override_options): Fix braces and formatting
15291         from previous commit.
15292
15293 2009-06-23  Ian Lance Taylor  <iant@google.com>
15294
15295         * Makefile.in ($(out_object_file)): Depend upon $(DF_H).
15296
15297 2009-06-23  Ian Lance Taylor  <iant@google.com>
15298
15299         * reload.c (alternative_allows_const_pool_ref): Mark mem parameter
15300         with ATTRIBUTE_UNUSED.
15301
15302 2009-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
15303             Pat Haugen  <pthaugen@us.ibm.com>
15304             Revital Eres  <eres@il.ibm.com>
15305
15306         * config.in (HAVE_AS_POPCNTD): Add default definition.
15307         (HAVE_AS_LWSYNC): Ditto.
15308
15309         * configure.ac (gcc_cv_as_powerpc_mfpgpr): Provide real binutils
15310         release number.
15311         (gcc_cv_as_powerpc_cmpb): Ditto.
15312         (gcc_cv_as_powerpc_dfp): Ditto.
15313         (gcc_cv_as_powerpc_vsx): Ditto.
15314         (gcc_cv_as_powerpc_popcntd): Add feature test for assembler
15315         supporting the popcntd/lwsync instructions.
15316         (gcc_cv_as_powerpc_lwsync): Ditto.
15317         * configure: Regenerate.
15318
15319         * config/rs6000/aix53.h (ASM_CPU_SPEC): Add support for
15320         -mcpu=native and -mcpu=power7.
15321         * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.
15322
15323         * config/rs6000/linux64.opt (-mprofile-kernel): Move switch to be
15324         a variable instead of a mask to reduce the number of mask bits.
15325         * config/rs6000/sysv4.opt (-mbit-align): Ditto.
15326         (-mbit-word): Ditto.
15327         (-mregnames): Ditto.
15328         * config/rs6000/rs6000.opt (-mupdate): Ditto.
15329         (-mfused-madd): Ditto.
15330
15331         * config/rs6000/rs6000.opt (-mpopcntd): New switch for non-VSX ISA
15332         2.06 instructions.
15333         (-mvsx): New switch for VSX instructions.
15334         (-misel): Move from a variable to a mask to allow it to be set by
15335         -mcpu=.
15336
15337         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_nregs): Change
15338         function declaration to an array declaration.
15339         (rs6000_hard_regno_nregs): New external array declaration.
15340
15341         * config/rs6000/t-rs6000 (MD_INCLUDES): Define, add all of the .md
15342         files included by rs6000.md.
15343
15344         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
15345         SET_PROFILE_KERNEL macro to reset the -mprofile-kernel switch.
15346
15347         * config/rs6000/rs6000.c (rs6000_isel): Delete, -misel moved to be
15348         a target mask.
15349         (rs6000_debug_reg): New -mdebug= variables.
15350         (rs6000_debug_addr): Ditto.
15351         (rs6000_debug_cost): Ditto.
15352         (rs6000_pmode): New variable to hold Pmode.
15353         (rs6000_pointer_size): New variable to hold POINTER_SIZE.
15354         (rs6000_class_max_nregs): New array to hold CLASS_MAX_NREGS
15355         calculated at compiler start.
15356         (rs6000_hard_regno_nregs): Change function to an array which holds
15357         HARD_REGNO_NREGS calculated at compiler start.
15358         (rs6000_explicit_options): Delete isel field.
15359         (rs6000_vector_unit): New array to hold which vector unit
15360         supports arithmetic options for a given type.
15361         (rs6000_vector_mem): New array to hold which vector unit supports
15362         memory reference operations for a given type.
15363         (rs6000_vector_align): New array to given the alignment of each
15364         vector type.
15365         (power7_cost): New basic costs for power7.
15366         (SET_PROFILE_KERNEL): New macro for resetting -mprofile-kernel.
15367         (rs6000_hard_regno_nregs_internal): New function, moved from
15368         HARD_REGNO_NREGS, to calculate the number of registers each hard
15369         register takes for each type.
15370         (rs6000_debug_reg_print): New function for -mdebug=reg support.
15371         (rs6000_debug_vector_unit): New array, map rs6000_vector to string.
15372         (+rs6000_init_hard_regno_mode_ok): New function, move calculation
15373         of HARD_REGNO_NREGS, CLASS_MAX_NREGS, REGNO_REG_CLASS, and vector
15374         unit information here so it is calculated once at compiler startup
15375         time.
15376         (rs6000_override_options): Make -misel a target mask.  Add more
15377         power7 target masks.  Setup Pmode and POINTER_SIZE.  Add initial
15378         VSX support.  Add support for -mdebug=reg, -mdebug=addr, and
15379         -mdebug=cost.
15380         (POWERPC_MASKS): Add MASK_POPCNTD, MASK_VSX, and MASK_ISEL.
15381         (rs6000_handle_option): Move -misel from variable to target mask.
15382         (rs6000_builtin_mask_for_load): Add VSX support.
15383         (rs6000_conditional_register_usage): Ditto.
15384         (USE_ALTIVEC_FOR_ARG_P): Ditto.
15385         (function_arg_boundary): Ditto.
15386         (rs6000_expand_builtin): Ditto.
15387         (def_builtin): Make abort message a little friendlier.
15388         (rs6000_emit_int_cmove): Add support for 64-bit isel.
15389
15390         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Depend on the
15391         assembler support the popcntd instruction instead of a vsx
15392         instruction to enable power7 support.
15393         (ASM_CPU_SPEC): Add support for -mcpu=native and -mcpu=power7.
15394         (EXTRA_SPECS): Add ASM_CPU_NATIVE_SPEC to allow passing the right
15395         option to the assembler if -mcpu=native.
15396         (ASM_CPU_NATIVE_SPEC): Ditto.
15397         (TARGET_POPCNTD): If assembler doesn't support popcntd, turn off
15398         ISA 2.06 features.
15399         (TARGET_LWSYNC_INSTRUCTION): Define whether it is safe to issue
15400         the lwsync instruction.
15401         (enum processor_type): Add PROCESSOR_POWER7.
15402         (rs6000_debug_reg): New -mdebug= options.
15403         (rs6000_debug_addr): Ditto.
15404         (rs6000_debug_cost): Ditto.
15405         (rs6000_isel): Delete.
15406         (enum rs6000_vector): New enum to say what vector unit we have.
15407         (VECTOR_UNIT_*): New macros to say which vector unit has
15408         arithmetic operations for a given type.
15409         (VECTOR_MEM_*): New macros to say which vector unit has memory
15410         operations for a given type.
15411         (TARGET_LDBRX): Whether the machine supports the ldbrx
15412         instruction.
15413         (TARGET_ISEL): Delete, -misel moved to be a mask.
15414         (TARGET_ISEL64): New macro for 64-bit isel support.
15415         (UNITS_PER_VSX_WORD): New macro.
15416         (POINTER_SIZE): Move to be an external variable, rather than
15417         calculating whether we are generating 32 ot 64-bit code.
15418         (Pmode): Ditto.
15419         (STACK_BOUNDARY): Add VSX support.
15420         (LOCAL_ALIGNMENT): Ditto.
15421         (SLOW_UNALIGNED_ACCESS): Ditto.
15422         (VSX_REGNO_P): New macro for VSX support.
15423         (VFLOAT_REGNO_P): Ditto.
15424         (VINT_REGNO_P): Ditto.
15425         (VLOGICAL_REGNO_P): Ditto.
15426         (VSX_VECTOR_MODE): Ditto.
15427         (VSX_SCALAR_MODE): Ditto.
15428         (VSX_MODE): Ditto.
15429         (VSX_MOVE_MODE): Ditto.
15430         (VSX_REG_CLASS_P): Ditto.
15431         (HARD_REGNO_NREGS): Instead of calling a function, use an array
15432         lookup.
15433         (UNITS_PER_SIMD_WORD): Add VSX support.
15434         (MODES_TIEABLE_P): Ditto.
15435         (STARTING_FRAME_OFFSET): Ditto.
15436         (STACK_DYNAMIC_OFFSET): Ditto.
15437         (EPILOGUE_USES): Ditto.
15438         (REGNO_REG_CLASS): Move to array lookup.
15439         (CLASS_MAX_NREGS): Ditto.
15440         (rs6000_vector_reg_class): Add declaration.
15441         (ADDITIONAL_REGISTER_NAMES): Add VSX names for the registers that
15442         overlap with the floating point and Altivec registers.
15443
15444         * config/rs6000/e500.h (CHECK_E500_OPTIONS): Disallow -mvsx.
15445
15446         * config/rs6000/driver-rs6000.c (asm_names): New static array to
15447         give the appropriate asm switches if -mcpu=native.
15448         (host_detect_local_cpu): Add support for "asm".
15449         (host_detect_local_cpu): Follow GNU code guidelines for name.
15450
15451         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Move
15452         -mbit-word to a variable instead of being a target mask.
15453
15454         * config/rs6000/sync.md (lwsync): If the assembler supports it,
15455         emit the lwsync instruction instead of emitting the instruction as
15456         an integer constant.
15457
15458         * config/rs6000/spe.md (spe_fixuns_truncdfsi2): Rename from
15459         fixuns_trundfsi2, move expander into rs6000.md.
15460
15461         * config/rs6000/rs6000.md (cpu): Add power7.
15462         (sel, *ptrsize): New mode attributes for 32/64-bit isel.
15463         (logical predicate patterns): Change the single instruction
15464         primitives that set CR0 to be fast_compare instead of compare.
15465         (norsi*): Ditto.
15466         (popcntwsi2): Add support for ISA 2.06 popcount instructions.
15467         (popcntddi2): Ditto.
15468         (popcount<mode>): Ditto.
15469         (floating multiply/add insns): Name the floating point
15470         multiply/add insns.
15471         (isel_signed_<mode>): Add support for -misel on 64-bit systems.
15472         (isel_unsigned_<mode>): Ditto.
15473         (fixuns_trundfsi2): Move expander here from spe.md.
15474         (smindi3): Define if we have -misel on 64-bit systems.
15475         (smaxdi3): Ditto.
15476         (umindi3): Ditto.
15477         (umaxdi3): Ditto.
15478
15479 2009-06-23  Anatoly Sokolov  <aesok@post.ru>
15480
15481         * config.gcc (avr-*-rtems*, avr-*-*): Set extra_gcc_objs and
15482         extra_objs.
15483         * config/avr/avr.c (avr_current_device): New variable.
15484         (avr_arch_types, avr_mcu_types): Move to avr-deveces.c.
15485         (avr_arch, mcu_type_s): Move to avr.h.
15486         * config/avr/avr.h (base_arch_s). Add reserved2, arch_name and
15487         default_data_section_start fields.
15488         (avr_arch): Moved from avr.c.
15489         (mcu_type_s): Moved from avr.c. Add short_sp, data_section_start and
15490         library_name fields.
15491         (avr_current_device, avr_mcu_types, avr_arch_types,
15492         avr_device_to_arch, avr_device_to_data_start,
15493         avr_device_to_startfiles, avr_device_to_devicelib): Declare.
15494         (EXTRA_SPEC_FUNCTIONS): Define.
15495         (LINK_SPEC): Remove device name to '-m ...' and '-Tdata ...' linker
15496         options mapping. Use device_to_arch and device_to_data_start insted.
15497         (STARTFILE_SPEC): Use device_to_startfile instead of crt_binutils.
15498         (CRT_BINUTILS_SPECS, EXTRA_SPECS): Remove.
15499         * config/avr/t-avr (driver-avr.o, avr-devices.o): New rules.
15500         * config/avr/driver-avr.c: New file.
15501         * config/avr/avr-devices.c: New file.
15502
15503 2009-06-23  Jakub Jelinek  <jakub@redhat.com>
15504
15505         * var-tracking.c (unshare_variable): Force initialized to
15506         be VAR_INIT_STATUS_INITIALIZED unless flag_var_tracking_uninit.
15507         (set_variable_part): Likewise.
15508         (struct variable_union_info): Remove pos_src field.
15509         (vui_vec, vui_allocated): New variables.
15510         (variable_union): Pass VAR_INIT_STATUS_UNKNOWN to unshare_variable
15511         unconditionally.  Avoid XCVECNEW/free for every sorting, for dst_l
15512         == 1 use a simpler sorting algorithm.  Compute pos field right
15513         away, don't fill in pos_src.  For dst_l == 2 avoid qsort.
15514         Avoid quadratic comparison if !flag_var_tracking_uninit.
15515         (variable_canonicalize): Pass VAR_INIT_STATUS_UNKNOWN to
15516         unshare_variable unconditionally.
15517         (dataflow_set_different_2): Removed.
15518         (dataflow_set_different): Don't traverse second hash table.
15519         (compute_bb_dataflow): Pass VAR_INIT_STATUS_UNINITIALIZED
15520         unconditionally to var_reg_set or var_mem_set.
15521         (emit_notes_in_bb): Likewise.
15522         (delete_variable_part): Pass VAR_INIT_STATUS_UNKNOWN to
15523         unshare_variable.
15524         (emit_note_insn_var_location): Don't set initialized to
15525         VAR_INIT_STATUS_INITIALIZED early.
15526         (vt_finalize): Free vui_vec if needed, clear vui_vec and
15527         vui_allocated.
15528         * rtl.c (rtx_equal_p): Don't implement on top of rtx_equal_p_cb.
15529
15530         * tree-object-size.c (addr_object_size): Instead of checking
15531         for non-NULL TREE_CHAIN of the FIELD_DECL check that there
15532         are no FIELD_DECLs following it.
15533
15534 2009-06-23  Andreas Krebbel  <krebbel1@de.ibm.com>
15535
15536         * tree-ssa-math-opts.c (find_bswap): Increase the search depth in
15537         order to match bswaps with signed source operands.
15538
15539 2009-06-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
15540
15541         * sdbout.c (sdbout_one_type): Fix braces in switch.
15542
15543 2009-06-23  Richard Guenther  <rguenther@suse.de>
15544
15545         * tree-ssa-structalias.c (struct variable_info): Add is_global_var
15546         member.
15547         (var_anything, anything_tree, var_nothing, nothing_tree, var_readonly,
15548         readonly_tree, var_escaped, escaped_tree, var_nonlocal, nonlocal_tree,
15549         var_callused, callused_tree, var_storedanything, storedanything_tree,
15550         var_integer, integer_tree): Remove global variables.
15551         (new_var_info): Do not pass new id, append the new var to the
15552         global variable vector.
15553         (do_ds_constraint): Use is_global_var member of the variable-info.
15554         (new_scalar_tmp_constraint_exp): Adjust.
15555         (create_function_info_for): Likewise.
15556         (create_variable_info_for): Likewise.
15557         (find_what_var_points_to): Remove dead code.
15558         (init_base_vars): Simplify.
15559         (compute_points_to_sets): Adjust.
15560
15561 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
15562
15563         * combine.c (try_combine): Dump information about the insns we're
15564         combining.
15565
15566 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
15567
15568         * combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION
15569         check when calling force_to_mode on TRUNCATE's operand.
15570
15571 2009-06-22  Ian Lance Taylor  <iant@google.com>
15572
15573         * config/rs6000/rs6000.opt: Move msched-epilog before msched-prolog.
15574
15575 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
15576
15577         * config/arm/arm.md (prologue_use): Set length of fake insn to 0.
15578
15579 2009-06-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
15580
15581         * doc/invoke.texi (Link Options): -nodefaultlibs and -nostdlib
15582         override library linkage flags such as -static-libgcc or
15583         -shared-libgcc.
15584
15585 2009-06-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
15586
15587         * config/m68k/m68k-devices.def: Add line for MCF5221x.
15588
15589 2009-06-22  Ian Lance Taylor  <iant@google.com>
15590
15591         * config/linux.opt: Put mglibc ahead of muclibc.
15592
15593         * c-decl.c (diagnose_mismatched_decls): Add -Wc++-compat warning
15594         for duplicate decls.
15595
15596 2009-06-22  Matthias Klose  <doko@ubuntu.com>
15597
15598         * Makefile.in (install-plugin): Remove extra `/' after $(DESTDIR).
15599
15600 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
15601
15602         PR objc/28050
15603         * c-parser.c (c_parser_objc_message_args): Return error_mark_node
15604         instead of NULL if a parser error occurs.
15605
15606 2009-06-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
15607
15608         * dwarf2out.c (dwarf2_debug_hooks): Initialize
15609         non-DWARF2_DEBUGGING_INFO version.
15610
15611 2009-06-22  Kai Tietz  <kai.tietz@onevision.com>
15612
15613         * config.gcc (i[34567]86-*-mingw*, x86_64-*-mingw*): Add
15614         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.
15615
15616         * config/i386/mingw32.h (LIBGCC2_HAS_TF_MODE): Define.
15617         (LIBGCC2_TF_CEXT): Define.
15618         (TF_SIZE): Define.
15619
15620 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
15621
15622         PR target/40463
15623         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Fix definition.
15624
15625 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
15626
15627         * config/arm/arm.c (arm_override_options): Disable
15628         -mcaller-super-interworking and -mcallee-super-interworking.
15629         * doc/invoke.texi (ARM Options): Document this.
15630
15631 2009-06-22  Nathan Sidwell  <nathan@codesourcery.com>
15632
15633         * config/arm/arm.c (arm_print_operand): Deal with HIGH.
15634         * config/arm/constraints.md (j): New constraint for movw operands.
15635         (N): Remove thumb2 meaning.
15636         * config/arm/arm.md (*arm_movw): Delete.
15637         (*arm_movsi_insn): Use j constraint for movw instead of N constraint.
15638         * config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp): Likewise.
15639         * config/arm/thumb2.md (*thumb2_movsi_insn): Likewise.
15640
15641 2009-06-22  Martin Jambor  <mjambor@suse.cz>
15642
15643         PR tree-optimization/40492
15644         * tree-sra.c (sra_modify_assign): Pass zero offsets to
15645         build_ref_for_offset.
15646
15647 2009-06-22  Shujing Zhao  <pearly.zhao@oracle.com>
15648
15649         * alias.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, CALL_P, NOTE_P and
15650         JUMP_TABLE_DATA_P predicates where applicable.
15651         * auto-inc-dec.c: Ditto.
15652         * builtins.c: Ditto.
15653         * caller-save.c: Ditto.
15654         * calls.c: Ditto.
15655         * cfgcleanup.c: Ditto.
15656         * cfglayout.c: Ditto.
15657         * cfgrtl.c: Ditto.
15658         * combine.c: Ditto.
15659         * combine-stack-adj.c: Ditto.
15660         * cse.c: Ditto.
15661         * cselib.c: Ditto.
15662         * dbxout.c: Ditto.
15663         * df-scan.c: Ditto.
15664         * dse.c: Ditto.
15665         * dwarf2asm.c: Ditto.
15666         * dwarf2out.c: Ditto.
15667         * emit-rtl.c: Ditto.
15668         * except.c: Ditto.
15669         * explow.c: Ditto.
15670         * expmed.c: Ditto.
15671         * expr.c: Ditto.
15672         * final.c: Ditto.
15673         * function.c: Ditto.
15674         * fwprop.c: Ditto.
15675         * gcse.c: Ditto.
15676         * genpreds.c: Ditto.
15677         * genrecog.c: Ditto.
15678         * ifcvt.c: Ditto.
15679         * ira-costs.c: Ditto.
15680         * ira-lives.c: Ditto.
15681         * jump.c: Ditto.
15682         * loop-iv.c: Ditto.
15683         * lower-subreg.c: Ditto.
15684         * modulo-sched.c: Ditto.
15685         * optabs.c: Ditto.
15686         * postreload.c: Ditto.
15687         * print-rtl.c: Ditto.
15688         * recog.c: Ditto.
15689         * reginfo.c: Ditto.
15690         * regmove.c: Ditto.
15691         * reload1.c: Ditto.
15692         * reload.c: Ditto.
15693         * reorg.c: Ditto.
15694         * rtlanal.c: Ditto.
15695         * rtl.c: Ditto.
15696         * sched-vis.c: Ditto.
15697         * sdbout.c: Ditto.
15698         * sel-sched-ir.c: Ditto.
15699         * simplify-rtx.c: Ditto.
15700         * targhooks.c: Ditto.
15701         * var-tracking.c: Ditto.
15702         * vmsdbgout.c: Ditto.
15703
15704 2009-06-22  Matthias Klose  <doko@ubuntu.com>
15705
15706         * Makefile.in (install-plugin): Always use DESTDIR.
15707
15708 2009-06-22  Olivier Hainque  <hainque@adacore.com>
15709
15710         * config/pa/pa.c (output_call): Don't optimize post call jumps
15711         into return address adjustments if the call may throw.
15712
15713 2009-06-21  Richard Earnshaw  <rearnsha@arm.com>
15714
15715         * arm.c (thumb1_output_casesi): New function.
15716         * arm.h (CASE_VECTOR_PC_RELATIVE): Thumb-1 code is also relative if
15717         optimizing for size or PIC.
15718         (CASE_VECTOR_SHORTEN_MODE): Handle thumb-1.
15719         * arm.md (UNSPEC_THUMB1_CASESI): New constant.
15720         (casesi): Handle Thumb-1 when optimizing for size or PIC.
15721         (thumb1_casesi_internal_pic): New expand rule.
15722         (thumb1_casesi_dispatch): New pattern.
15723         * aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use shortened vectors for
15724         thumb-1 mode.
15725         * coff.h (JUMP_TABLES_IN_TEXT_SECTION): Thumb-1 jump tables are now
15726         in the text seciton when PIC or optimizing for size.
15727         * elf.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
15728         * lib1funcs.asm ([__ARM_EABI__]): Add an attribute describing stack
15729         preservation properties of code.
15730         (__gnu_thumb1_case_sqi, __gnu_thumb1_case_uqi): New functions.
15731         (__gnu_thumb1_case_shi, __gnu_thumb1_case_uhi): New functions.
15732         (__gnu_thumb1_case_si): New function.
15733         * t-arm (LIB1ASMSRC): Define here.
15734         (LIB1ASMFUNCS): Add some common functions.
15735         * t-arm-elf (LIB1ASMSRC): Delete.
15736         (LIB1ASMFUNCS): Append to existing set.
15737         * t-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
15738         * t-strongarm-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
15739         * t-symbian (LIB1ASMFUNCS): Likewise.
15740         * t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
15741         * t-wince-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
15742
15743 2009-06-21  Richard Guenther  <rguenther@suse.de>
15744
15745         PR tree-optimization/38729
15746         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Restrict
15747         to loops with a single exit if -fno-expensive-optimizations.
15748
15749 2009-06-21  Jakub Jelinek  <jakub@redhat.com>
15750
15751         * var-tracking.c (struct shared_hash_def, shared_hash): New types.
15752         (dataflow_set): Change vars type from htab_t to shared_hash.
15753         (shared_hash_pool, empty_shared_hash): New variables.
15754         (vars_clear): Removed.
15755         (shared_hash_shared, shared_hash_htab, shared_hash_copy,
15756         shared_hash_find_slot_unshare, shared_hash_find_slot,
15757         shared_hash_find_slot_noinsert, shared_hash_find): New
15758         static inlines.
15759         (shared_hash_unshare, shared_hash_destroy): New functions.
15760         (unshare_variable): Unshare set->vars if shared, use
15761         shared_hash_htab.
15762         (vars_copy): Use htab_traverse_noresize instead of htab_traverse.
15763         (get_init_value, find_src_set_src, dump_dataflow_set,
15764         clobber_variable_part, emit_notes_for_differences): Use
15765         shared_hash_htab.
15766         (dataflow_set_init): Remove second argument, set vars to
15767         empty_shared_hash instead of creating a new htab.
15768         (dataflow_set_clear): Call shared_hash_destroy and set vars
15769         to empty_shared_hash instead of calling vars_clear.
15770         (dataflow_set_copy): Don't call vars_copy, instead just share
15771         the src htab with dst.
15772         (variable_union): Use shared_hash_*, use initially NO_INSERT
15773         lookup if set->vars is shared.  Don't keep slot cleared before
15774         calling unshare_variable.  Unshare set->vars if needed.
15775         Even ->refcount == 1 vars must be unshared if set->vars is shared
15776         and var needs to be modified.
15777         (variable_canonicalize): New function.
15778         (dataflow_set_union): If dst->vars is empty, just share src->vars
15779         with dst->vars and traverse with variable_canonicalize to canonicalize
15780         and unshare what is needed.
15781         (dataflow_set_different): If old_set and new_set use the same shared
15782         htab, they aren't different.  If number of htab elements is different,
15783         htabs are different.  Use shared_hash_*.
15784         (dataflow_set_destroy): Call shared_hash_destroy instead of
15785         htab_delete.
15786         (compute_bb_dataflow, emit_notes_in_bb, vt_emit_notes): Don't pass
15787         second argument to dataflow_set_init.
15788         (vt_initialize): Likewise.  Initialize shared_hash_pool and
15789         empty_shared_hash, move bb in/out initialization afterwards.
15790         Use variable_htab_free instead of NULL as changed_variables del hook.
15791         (variable_was_changed): Change type of second argument to pointer to
15792         dataflow_set.  When inserting var into changed_variables, bump
15793         refcount.  Unshare set->vars if set is shared htab and slot needs to
15794         be cleared.
15795         (set_variable_part): Use shared_hash_*, use initially NO_INSERT
15796         lookup if set->vars is shared.  Unshare set->vars if needed.
15797         Even ->refcount == 1 vars must be unshared if set->vars is shared
15798         and var needs to be modified.  Adjust variable_was_changed caller.
15799         (delete_variable_part): Use shared_hash_*.  Even ->refcount == 1
15800         vars must be unshared if set->vars is shared and var needs to be
15801         modified.  Adjust variable_was_changed caller.
15802         (emit_note_insn_var_location): Don't pool_free var.
15803         (emit_notes_for_differences_1): Initialize empty_var->refcount to 0
15804         instead of 1.
15805         (vt_finalize): Call htab_delete on empty_shared_hash->htab and
15806         free_alloc_pool on shared_hash_pool.
15807
15808 2009-06-20  Anthony Green  <green@moxielogic.com>
15809
15810         * config/moxie/sfp-machine.h (__gcc_CMPtype, CMPtype): Define.
15811         * config/moxie/moxie.h (LOAD_EXTEND_OP): Define.
15812
15813 2009-06-20  Richard Guenther  <rguenther@suse.de>
15814
15815         * tree-ssa-structalias.c (find_func_aliases): For memset use
15816         a constraint from NULL if we memset to zero.
15817         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Add builtins
15818         we explicitly handle that do not read from memory.
15819         (call_may_clobber_ref_p_1): Properly handle builtins that may
15820         set errno.
15821
15822 2009-06-20  Richard Guenther  <rguenther@suse.de>
15823
15824         PR tree-optimization/40495
15825         * tree-ssa-structalias.c (get_constraint_exp_for_temp): Remove.
15826         (new_scalar_tmp_constraint_exp): New function.
15827         (process_constraint): Do not create temporary decls.
15828         (process_all_all_constraints): Likewise.
15829         (handle_const_call): Likewise.
15830         (create_function_info_for): Do not set decl.
15831
15832 2009-06-19  Ian Lance Taylor  <iant@google.com>
15833
15834         * config/rs6000/rs6000.c (rs6000_explicit_options): Make static.
15835         (rs6000_attribute_table): Make static; move before use.
15836
15837 2009-06-19  Eric Botcazou  <ebotcazou@adacore.com>
15838
15839         * tree.c (substitute_in_expr) <COMPONENT_REF>: Tweak and reformat.
15840         <tcc_vl_exp>: Call process_call_operands on the new CALL_EXPR.
15841         Propagate the TREE_READONLY flag without overwriting it.
15842         (substitute_placeholder_in_expr) <tcc_vl_exp>: Likewise.
15843         Propagate the TREE_READONLY flag onto the result.
15844         (process_call_operands): Move around.  Use correct constant value.
15845
15846 2009-06-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
15847
15848         PR target/40482
15849         * config/arm/arm.c (thumb_shiftable_const): Truncate val to 32 bits.
15850         * config/arm/arm.md: Likewise.
15851
15852 2009-06-19  Ian Lance Taylor  <iant@google.com>
15853
15854         * tree-cfg.c (gimple_redirect_edge_and_branch): Change ERROR_MARK
15855         to GIMPLE_ERROR_MARK.
15856
15857         * c-typeck.c (build_conditional_expr): Add op1_original_type and
15858         op2_original_type parameters.  Warn about using different enum types.
15859         * c-parser.c (c_parser_conditional_expression): Pass original
15860         types to build_conditional_expr.
15861         * c-tree.h (build_conditional_expr): Update declaration.
15862
15863 2009-06-19  Ian Lance Taylor  <iant@google.com>
15864
15865         * config/i386/i386.c (ix86_function_specific_save): Test that
15866         fields match values, rather than testing the values are in a
15867         certain range.
15868
15869 2009-06-19  Richard Guenther  <rguenther@suse.de>
15870
15871         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle
15872         ADDR_EXPR pointers.
15873         (ptr_derefs_may_alias_p): Likewise.
15874         (ptr_deref_may_alias_ref_p_1): New function.
15875         (ptr_deref_may_alias_ref_p): Likewise.
15876         (ref_maybe_used_by_call_p_1): Handle builtins that are not
15877         covered by looking at the ESCAPED solution.
15878         (call_may_clobber_ref_p_1): Likewise.
15879         * tree-ssa-structalias.c (get_constraint_for_ptr_offset):
15880         Handle NULL_TREE offset.  Do not produce redundant constraints.
15881         (process_all_all_constraints): New helper function.
15882         (do_structure_copy): Use it.
15883         (handle_lhs_call): Likewise.
15884         (find_func_aliases): Handle some builtins with pointer arguments
15885         and/or return values explicitly.
15886
15887 2009-06-19  Ian Lance Taylor  <iant@google.com>
15888
15889         * varasm.c (const_rtx_hash_1): Remove const qualifier from shift.
15890
15891 2009-06-19  Ian Lance Taylor  <iant@google.com>
15892
15893         * rtl.h (SUBREG_PROMOTED_UNSIGNED_P): Add cast to int.
15894
15895 2009-06-19  Ian Lance Taylor  <iant@google.com>
15896
15897         * ggc-page.c (ggc_pch_write_object): Initialize emptyBytes.
15898         * sdbout.c (sdb_debug_hooks): Initialize non-SDB_DEBUGGING_INFO
15899         version.
15900
15901         * c-decl.c (finish_decl): If -Wc++-compat, warn about
15902         uninitialized const.
15903
15904 2009-06-19  Ian Lance Taylor  <iant@google.com>
15905
15906         * dse.c (struct store_info): Rename bitmap field to bmap.  Change
15907         all uses.
15908
15909         * c-decl.c (in_struct, struct_types): Remove.
15910         (struct c_binding): Add in_struct field.
15911         (c_binding_ptr): Define type, along with VEC.
15912         (struct c_struct_parse_info): Define.
15913         (struct_parse_info): New static variable.
15914         (bind): Initialize in_struct field.
15915         (start_struct): Remove enclosing_in_struct and
15916         enclosing_struct_types parameters.  Add
15917         enclosing_struct_parse_info parameter.  Change all callers.  Set
15918         struct_parse_info rather than in_struct and struct_types.
15919         (grokfield): If -Wc++-compat and there is a symbol binding for the
15920         field name, set the in_struct flag and push it on the
15921         struct_parse_info->fields vector.
15922         (warn_cxx_compat_finish_struct): New static function.
15923         (finish_struct): Remove enclosing_in_struct and
15924         enclosing_struct_types parameters.  Add
15925         enclosing_struct_parse_info parameter.  Change all callers.  Don't
15926         set C_TYPE_DEFINED_IN_STRUCT here.  Call
15927         warn_cxx_compat_finish_struct.  Free struct_parse_info and set to
15928         parameter.  Only push on struct_types if warn_cxx_compat.
15929         (finish_enum): Only push on struct_types if warn_cxx_compat.
15930         (declspecs_add_type): Add loc parameter.  Change all callers.
15931         Change all error calls to error_at.  Pass loc, not input_location,
15932         to pedwarn calls.  Warn if -Wc++-compat and a typedef name is
15933         defined in a struct.  If -Wc++-compat and parsing a struct, record
15934         that a typedef name was used.
15935         * c-parser.c (c_parser_declspecs): Get location to pass to
15936         declspecs_add_type.
15937         (c_parser_struct_or_union_specifier): Update calls to start_struct
15938         and finish_struct.
15939         * c-tree.h (struct c_struct_parse_info): Declare.
15940         (finish_struct, start_struct): Update declarations.
15941         (declspecs_add_type): Update declaration.
15942
15943 2009-06-19  Ian Lance Taylor  <iant@google.com>
15944
15945         * c-decl.c (grokdeclarator): If -Wc++-compat, warn about a global
15946         variable with an anonymous type.
15947
15948 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
15949
15950         * see.c: Remove for real.
15951
15952 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
15953
15954         * optabs.h (enum optab_index): Add new OTI_significand.
15955         (significand_optab): Define corresponding macro.
15956         * optabs.c (init_optabs): Initialize significand_optab.
15957         * genopinit.c (optabs): Implement significand_optab using
15958         significand?f2 patterns.
15959         * builtins.c (expand_builtin_mathfn): Handle
15960         BUILT_IN_SIGNIFICAND{,F,L}.
15961         (expand_builtin): Expand BUILT_IN_SIGNIFICAND{,F,L} using
15962         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
15963
15964         * config/i386/i386.md (significandxf2, significand<mode>2): New
15965         expanders to implement significandf, significand and significandl
15966         built-ins as inline x87 intrinsics.
15967
15968 2009-06-18  Anatoly Sokolov  <aesok@post.ru>
15969
15970         * config/avr/avr.c (avr_override_options): Remove setting value of
15971         PARAM_INLINE_CALL_COST.
15972
15973 2009-06-18  Richard Henderson  <rth@redhat.com>
15974
15975         PR 40488
15976         * tree-pass.h (TDF_ASMNAME): New.
15977         * tree-dump.c (dump_options): Add asmname.
15978         * doc/invoke.texi: Document it.
15979
15980         * tree-pretty-print.c (maybe_dump_asm_name): Merge into...
15981         (dump_decl_name): ...here.
15982         (dump_function_name): New flags arg; mind TDF_ASMNAME.
15983         (dump_generic_node): Update dump_function_name calls.
15984         (print_call_name): New flags arg; update all dump calls.
15985         * diagnostic.h (print_call_name): Update.
15986         * gimple-pretty-print.c (dump_gimple_call): Update.
15987
15988 2009-06-18  H.J. Lu  <hongjiu.lu@intel.com>
15989
15990         PR target/40470
15991         * config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Add SSE_FIRST_REG.
15992
15993 2009-06-18  Diego Novillo  <dnovillo@google.com>
15994
15995         * doc/plugins.texi: Document plugin_is_GPL_compatible.
15996         * plugin.c (str_license): Declare.
15997         (try_init_one_plugin): Assert that the symbol
15998         'plugin_is_GPL_compatible' exists.
15999
16000 2009-06-18  Sergei Dyshel  <sergeid@il.ibm.com>
16001
16002         * see.c: Remove.
16003         * Makefile.in (OBJS-common): Remove see.o.
16004         (see.o): Remove.
16005         * common.opt (fsee): Mark as preserved for backward compatibility.
16006         * opts.c (common_handle_option): Add OPT_fsee to the backward
16007         compatibility section.
16008         * passes.c (init_optimization_passes, pass_see): Remove pass.
16009         * timevar.def (TV_SEE): Remove.
16010         * tree-pass.h (pass_see): Remove declaration.
16011         * doc/invoke.texi (-fsee): Remove documentation.
16012
16013 2009-06-18  Martin Jambor  <mjambor@suse.cz>
16014
16015         * tree-sra.c: Include statistics.h
16016         (sra_stats): New variable.
16017         (sra_initialize): Clear sra_stats.
16018         (create_access_replacement): Increment sra_stats.replacements.
16019         (get_access_replacement): Do not return twice.
16020         (analyze_all_variable_accesses): Increment statistics counter by the
16021         number of scalarized aggregates.
16022         (generate_subtree_copies): Increment sra_stats.subtree_copies.
16023         (sra_modify_expr): Increment sra_stats.exprs.
16024         (load_assign_lhs_subreplacements): Increment sra_stats.subreplacements.
16025         (sra_modify_assign): Increment sra_stats.exprs,
16026         sra_stats.separate_lhs_rhs_handling and sra_stats.deleted.
16027         (perform_intra_sra): Update statistics counters.
16028         * Makefile.in (tree-sra.o): Add statistics.h to dependencies.
16029
16030 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
16031
16032         * config/arm/arm.c (TARGET_SCALAR_MODE_SUPPORTED_P): Redefine.
16033         (arm_scalar_mode_supported_p): New function.
16034
16035 2009-06-18  Paul Brook  <paul@codesourcery.com>
16036             Sandra Loosemore  <sandra@codesourcery.com>
16037
16038         * config/arm/sfp-machine.h (_FP_NANFRAC_H, _FP_NANSIGN_H): Define.
16039         (__extendhfsf2, __truncsfhf2): Define.
16040         * config/arm/fp16.c: New file.
16041         * config/arm/t-bpabi (LIB2FUNCS_STATIC_EXTRA): Add fp16.c.
16042         * config/arm/t-symbian (LIB2FUNCS_STATIC_EXTRA):  Add fp16.c.
16043
16044 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
16045
16046         * doc/extend.texi (Half-Precision): New section.
16047         * doc/invoke.texi (Option Summary): List -mfp16-format.
16048         (ARM Options): List neon-fp16 as -mfpu value.  Document -mfp16-format.
16049         * config/arm/arm.opt (mfp16-format=): New.
16050         * config/arm/arm.c: Include intl.h.
16051         (TARGET_INVALID_PARAMETER_TYPE): Redefine.
16052         (TARGET_INVALID_RETURN_TYPE): Redefine.
16053         (TARGET_PROMOTED_TYPE): Redefine.
16054         (TARGET_CONVERT_TO_TYPE): Redefine.
16055         (arm_fp16_format): Define.
16056         (all_fpus): Add entry for neon-fp16.
16057         (fp_model_for_fpu): Likewise.
16058         (struct fp16_format): Declare.
16059         (all_fp16_formats): Define.
16060         (arm_init_libfuncs): Add entries for HFmode conversions and arithmetic
16061         functions.
16062         (arm_override_options): Set arm_fp16_format. Call sorry for fp16
16063         and no ldrh.
16064         (arm_legitimate_index_p): Treat HFmode like HImode.
16065         (thumb1_legitimate_address_p): Make it recognize HFmode constants.
16066         (coproc_secondary_reload_class): Special-case HFmode.
16067         (arm_print_operand): Add 'z' specifier for vld1.16/vst1.16.
16068         (arm_hard_regno_mode_ok): Allow HFmode values in VFP registers.
16069         (arm_init_fp16_builtins): New.
16070         (arm_init_builtins): Call it.
16071         (arm_invalid_parameter_type): New.
16072         (arm_invalid_return_type): New.
16073         (arm_promoted_type): New.
16074         (arm_convert_to_type).
16075         (arm_file_start): Deal with neon-fp16 as fpu_name.  Emit tag for fp16
16076         format.
16077         (arm_emit_fp16_const): New function.
16078         (arm_mangle_type): Mangle __fp16 as "Dh".
16079         * config/arm/arm.h (TARGET_VFPD32): Make it know about
16080         FPUTYPE_NEON_FP16.
16081         (TARGET_NEON_FP16): New.
16082         (TARGET_NEON): Make it know about FPUTYPE_NEON_FP16.
16083         (enum fputype): Add FPUTYPE_NEON_FP16.
16084         (enum arm_fp16_format_type): Declare.
16085         (arm_fp16_format): Declare.
16086         (LARGEST_EXPONENT_IS_NORMAL): Define.
16087         * config/arm/arm-protos.h (arm_emit_fp16_const): Declare.
16088         * config/arm/arm-modes.def (HFmode): Define.
16089         * config/arm/vfp.md (*movhf_vfp): New.
16090         (extendhfsf2): New.
16091         (truncsfhf2): New.
16092         * config/arm/arm.md (fpu): Add neon_fp16.
16093         (floatsihf2, floatdihf2): New.
16094         (fix_trunchfsi2, fix_trunchfdi2): New.
16095         (truncdfhf2): New.
16096         (extendhfdf2): New.
16097         (movhf): New.
16098         (*arm32_movhf): New.
16099         (*thumb1_movhf): New.
16100         (consttable_2): Add check for HFmode constants.
16101         (consttable_4): Handle HFmode constants.
16102
16103 2009-06-18  Uros Bizjak  <ubizjak@gmail.com>
16104
16105         * convert.c (convert_to_integer): Convert (int)logb() into ilogb().
16106
16107 2009-06-17  Olivier Hainque  <hainque@adacore.com>
16108
16109         * collect2.c (main): Use CONST_CAST2 to perform char ** to
16110         const char ** conversion in AIX specific section.
16111
16112 2009-06-17  H.J. Lu  <hongjiu.lu@intel.com>
16113
16114         * config/i386/i386.c (ix86_special_builtin_type): Remove
16115         UINT64_FTYPE_PINT.  Add UINT64_FTYPE_PUNSIGNED.
16116         (bdesc_special_args): Updated.
16117         (ix86_init_mmx_sse_builtins): Likewise.
16118         (ix86_expand_special_args_builtin): Likewise.
16119
16120 2009-06-17  Richard Henderson  <rth@redhat.com>
16121
16122         * tree-pretty-print.c (maybe_dump_asm_name): New.
16123         (dump_decl_name): Use it.
16124         (PRINT_FUNCTION_NAME): Merge into...
16125         (dump_function_name): ... here.  Use maybe_dump_asm_name.
16126
16127 2009-06-17  Cary Coutant  <ccoutant@google.com>
16128
16129         * dbxout.c (dbxout_source_line): Add is_stmt parameter.
16130         Change caller.
16131         * debug.c (struct gcc_debug_hooks): Change placeholder for
16132         source_line hook.
16133         (debug_nothing_int_charstar_int): Replaced by...
16134         (debug_nothing_int_charstar_int_bool): ...this.
16135         * debug.h (struct gcc_debug_hooks): Add is_stmt parameter to
16136         source_line prototype.
16137         (debug_nothing_int_charstar_int): Replaced by...
16138         (debug_nothing_int_charstar_int_bool): ...this.
16139         * defaults.h (SUPPORTS_DISCRIMINATOR): New constant.
16140         * dwarf2out.c (dwarf2out_source_line): Add is_stmt parameter.
16141         Output is_stmt operand when necessary.
16142         * final.c (final_scan_insn): Pass is_stmt to source_line debug hook.
16143         (notice_source_line): Add is_stmt parameter.
16144         * sdbout.c (sdbout_source_line): Add is_stmt parameter.
16145         * vmsdbgout.c (vmsdbgout_source_line): Add is_stmt parameter.
16146         Change callers.
16147         * xcoffout.c (xcoffout_source_line): Add is_stmt parameter.
16148         * xcoffout.h (xcoffout_source_line): Add is_stmt parameter.
16149
16150 2009-06-17  Ian Lance Taylor  <iant@google.com>
16151
16152         * expr.c (struct move_by_pieces_d): Rename from move_by_pieces.
16153         Change all uses.
16154         (struct store_by_pieces_d): Rename from store_by_pieces.  Change
16155         call uses.
16156
16157 2009-06-17  Adam Nemet  <anemet@caviumnetworks.com>
16158
16159         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS,
16160         STRIP_USELESS_TYPE_CONVERSION): Use tree_strip_nop_conversions,
16161         tree_strip_sign_nop_conversions and
16162         tree_ssa_strip_useless_type_conversions rather than stripping
16163         the operations here.
16164         (tree_strip_nop_conversions, tree_strip_sign_nop_conversions):
16165         Declare them.
16166         * gimple.h (tree_ssa_strip_useless_type_conversions): Declare it.
16167         * tree-ssa.c (tree_ssa_strip_useless_type_conversions): New function.
16168         * tree.c (tree_nop_conversion, tree_sign_nop_conversion,
16169         tree_strip_nop_conversions, tree_strip_sign_nop_conversions): New
16170         functions.
16171
16172 2009-06-17  Michael Eager  <eager@eagercon.com>
16173
16174         * config/rs6000/constraints.md (register_constraint "d"): New.
16175         * config/rs6000/dfp.md (movsd_store, extendsddd2, extendsdtd2,
16176         truncddsd2, *negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
16177         *movdd_hardfloat32, *movdd_hardfloat64_mfpgpr, *movdd_hardfloat64,
16178         *negtd2_fp, *abstd2_fpr, *nabstd2_fpr, *movtd_internal, extendddtd2,
16179         trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
16180         divtd3, *cmpdd_internal1, *cmptd_internal1, floatditd2, ftruncdd2,
16181         fixdddi2, ftrunctd2, fixtddi2): replace 'f' constraint with 'd'
16182         * config/rs6000/ppu_intrinsics.h (__mffs, __mtfsf, __mtfsfi, __fabs,
16183         __fnabs, __fmadd, __fmsub, __fnmadd, __fnmsub, __fsel, __frsqrte,
16184         __fsqrt, __fmul, __fmuls, __frsp, __fcfid, __fctid, __fctidz, __fctiw,
16185         __fctiwz): Same.
16186         * config/rs6000/rs6000.md (*extendsfdf2_fpr, *truncdfsf2_fpr,
16187         *fseldfsf4, *negdf2_fpr, *absdf2_fpr, *nabsdf2_fpr, *adddf3_fpr,
16188         *subdf3_fpr, *muldf3_fpr, *divdf3_fpr, recipdf3, fred, sqrtdf2,
16189         *fseldfdf4, *fselsfdf4, *floatsidf2_internal, *floatunssidf2_internal,
16190         *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
16191         fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2, rounddf2,
16192         stfiwx, floatdidf2, fix_truncdfdi2, floatdisf2_internal1,
16193         *movdf_hardfloat32, *movdf_hardfloat64_mfpgpr, *movdf_hardfloat64,
16194         *movtf_internal, *extenddftf2_internal, trunctfdf2_internal1,
16195         trunctfdf2_internal2, trunctfsf2_fprs, fix_trunc_helper,
16196         *fix_trunctfsi2_internal, negtf2_internal, *movdi_internal32,
16197         *movdi_mfpgpr, *movdi_internal64, *movdf_update1, *movdf_update2,
16198         *cmpdf_internal1, *cmptf_internal1, *cmptf_internal2): Same.
16199         * doc/md.texi: Describe PowerPC 'd' constraint, update 'f' constraint.
16200
16201 2009-06-16  Ian Lance Taylor  <iant@google.com>
16202
16203         * profile.c (total_num_never_executed): Don't define.
16204         (compute_branch_probabilities): Don't count or print
16205         num_never_executed.
16206         (init_branch_prob): Don't set total_num_never_executed.
16207         (end_branch_prob): Don't print total_num_never_executed.
16208
16209 2009-06-17  David Daney  <ddaney@caviumnetworks.com>
16210
16211         * jump.c (cleanup_barriers): Handle case of no insns before a barrier.
16212
16213 2009-06-17  David Edelsohn  <edelsohn@gnu.org>
16214
16215         * config/rs6000/dfp.md (nabsdd2_fpr): Correct mode.
16216         (nabstd2_fpr): Same.
16217
16218 2009-06-17  Steve Ellcey  <sje@cup.hp.com>
16219
16220         * expr.c (expand_assignment): Change complex type check.
16221
16222 2009-06-17  Basile Starynkevitch  <basile@starynkevitch.net>
16223
16224         * doc/plugins.texi (Building GCC plugins): Added new section.
16225
16226 2009-06-17  Ian Lance Taylor  <iant@google.com>
16227
16228         * c-pch.c (get_ident): Don't set size of templ array.
16229         (pch_init): Don't set size of partial_pch array.
16230
16231         * c-typeck.c (digest_init): If -Wc++-compat, warn about using a
16232         string constant to intialize an array whose size is the length of
16233         the string.
16234
16235 2009-06-17  Richard Guenther  <rguenther@suse.de>
16236
16237         PR tree-optimization/40389
16238         * tree-ssa-structalias.c (handle_rhs_call): Restrict NRV case
16239         to addressable types.
16240         * gimple.c (walk_stmt_load_store_addr_ops): Likewise.
16241
16242 2009-06-17  Richard Guenther  <rguenther@suse.de>
16243
16244         PR middle-end/40460
16245         * tree-chrec.h (build_polynomial_chrec): If we cannot determine
16246         if there is no evolution of left in the loop bail out.
16247         * tree-chrec.c (chrec_fold_multiply_poly_poly): CSE one
16248         chrec_fold_multiply.
16249
16250 2009-06-16  J"orn Rennecke  <joern.rennecke@arc.com>
16251             Janis Johnson  <janis187@us.ibm.com>
16252
16253         PR target/39254
16254         * config/rs6000/rs6000.c (rs6000_emit_move): Don't emit a USE
16255         for the symbol ref of a constant that is the source of a move
16256         - nor for any other not-obvious-label-ref constants.
16257
16258 2009-06-16  Olatunji Ruwase  <tjruwase@google.com>
16259
16260         * plugin.c (position_pass): Skip newly inserted pass during list
16261         traversal to avoid repeated insertion.
16262
16263 2009-06-16  Ian Lance Taylor  <iant@google.com>
16264
16265         * vec.h (VEC_stack_alloc): Define different version if
16266         GATHER_STATISTICS is defined, to accept and ignore MEM_STAT.
16267         (DEF_VEC_ALLOC_FUNC_P_STACK): Remove MEM_STAT_DECL.
16268         (DEF_VEC_ALLOC_FUNC_O_STACK): Likewise.
16269         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
16270
16271 2009-06-16  H.J. Lu  <hongjiu.lu@intel.com>
16272
16273         * config.gcc (extra_headers): Add ia32intrin.h for x86.
16274
16275         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_BSRSI,
16276         IX86_BUILTIN_BSRDI.  IX86_BUILTIN_RDPMC, IX86_BUILTIN_RDTSC.
16277         IX86_BUILTIN_RDTSCP.  IX86_BUILTIN_ROLQI, IX86_BUILTIN_ROLHI,
16278         IX86_BUILTIN_RORQI and IX86_BUILTIN_RORHI.
16279         (ix86_special_builtin_type): Add UINT64_FTYPE_VOID,
16280         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
16281         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
16282         (bdesc_special_args): Add __builtin_ia32_rdtsc and
16283         __builtin_ia32_rdtscp.
16284         (bdesc_args): Add __builtin_ia32_bsrsi, __builtin_ia32_bsrdi,
16285         __builtin_ia32_rolqi, __builtin_ia32_rolhi, __builtin_ia32_rorqi
16286         and __builtin_ia32_rorhi.
16287         (ix86_init_mmx_sse_builtins): Handle UINT64_FTYPE_VOID,
16288         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
16289         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
16290         (ix86_expand_args_builtin): Likewise.
16291         (ix86_expand_special_args_builtin): Likewise.
16292
16293         * config/i386/i386.md (UNSPECV_RDTSCP): New.
16294         (UNSPECV_RDTSC): Likewise.
16295         (UNSPECV_RDPMC): Likewise.
16296         (*bsr): Renamed to ...
16297         (bsr): This
16298         (*bsr_rex64): Renamed to ...
16299         (bsr_rex64): This.
16300         (rdpmc): New.
16301         (*rdpmc): Likewise.
16302         (*rdpmc_rex64): Likewise.
16303         (rdtsc): Likewise.
16304         (*rdtsc): Likewise.
16305         (*rdtsc_rex64): Likewise.
16306         (rdtscp): Likewise.
16307         (*rdtscp): Likewise.
16308         (*rdtscp_rex64): Likewise.
16309
16310         * config/i386/ia32intrin.h: New.
16311
16312         * config/i386/x86intrin.h: Include <ia32intrin.h>.
16313
16314 2009-06-16  Ian Lance Taylor  <iant@google.com>
16315
16316         * ira-build.c (copy_info_to_removed_store_destinations):
16317         Initialize parent_a.
16318
16319 2009-06-16  Ian Lance Taylor  <iant@google.com>
16320
16321         * c-decl.c (grokdeclarator): Change size_varies to bool.
16322
16323 2009-06-16  Ian Lance Taylor  <iant@google.com>
16324
16325         * sel-sched.c: Make forward declarations of move_op_hooks and
16326         fur_hooks explicitly extern.
16327
16328 2009-06-16  Ian Lance Taylor  <iant@google.com>
16329
16330         * df-problems.c (df_byte_lr_alloc): Don't set problem_data to itself.
16331         * vec.c (vec_gc_o_reserve_1): Don't set alloc to itself.
16332
16333 2009-06-16  Ian Lance Taylor  <iant@google.com>
16334
16335         * resource.c (mark_referenced_resources): Change
16336         include_delayed_effects parameter to bool.  Change all callers.
16337         (mark_end_of_function_resources): Likewise.
16338         * reorg.c (insn_references_resource_p): Likewise.
16339         (insn_sets_resource_p): Likewise.
16340         * resource.h (mark_referenced_resources): Update declaration.
16341         (mark_end_of_function_resources): Update declaration.
16342
16343 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
16344
16345         * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove -lstdc++.
16346
16347 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
16348
16349         * doc/install.texi (*-*-aix): Update explanation of XLC bootstrap.
16350         GCC can bootstrap on AIX with GNU Binutils 2.20.
16351
16352 2009-06-16  Ian Lance Taylor  <iant@google.com>
16353
16354         * Makefile.in (tree-vect-stmts.o): Depend upon $(TOPLEV_H).
16355
16356 2009-06-16  Ian Lance Taylor  <iant@google.com>
16357
16358         * toplev.h (floor_log2): If GCC_VERSION >= 3004, declare as static
16359         inline, not extern inline.
16360         (exact_log2): Likewise.
16361         * toplev.c (floor_log2): Only define if GCC_VERSION < 3004. Don't
16362         test CLZ_HWI.
16363         (exact_log2): Likewise, but don't test CTZ_HWI.
16364
16365 2009-06-16  Ian Lance Taylor  <iant@google.com>
16366
16367         * bitmap.c (bitmap_clear): Don't declare as inline.
16368         * gimple.c (gimplify_assign): Likewise.
16369         * tree-ssa-sccvn.c (vn_nary_op_compute_hash): Likewise.
16370         * haifa-sched.c (insn_cost): Don't declare with HAIFA_INLINE.
16371         (sched_scan_info): Remove duplicate definition.
16372
16373 2009-06-16  Ian Lance Taylor  <iant@google.com>
16374
16375         * c-common.c (skip_evaluation): Don't define.
16376         (c_inhibit_evaluation_warnings): Define global variable.
16377         (overflow_warning): Check c_inhibit_evaluation_warnings rather
16378         than skip_evaluation.
16379         (convert_and_check, warn_for_div_by_zero): Likewise.
16380         * c-common.h (skip_evaluation): Don't declare.
16381         (c_inhibit_evaluation_warnings): Declare.
16382         * c-parser.c (c_parser_typeof_specifier): Set
16383         c_inhibit_evaluation_warnings rather than skip_evaluation.
16384         (c_parser_conditional_expression): Likewise.
16385         (c_parser_binary_expression): Likewise.
16386         (c_parser_sizeof_expression): Likewise.
16387         (c_parser_alignof_expression): Likewise.
16388         * c-typeck.c (build_indirect_ref): Check
16389         c_inhibit_evaluation_warnings rather than skip_evaluation.
16390         (build_conditional_expr, build_binary_op): Likewise.
16391
16392 2009-06-16  Richard Guenther  <rguenther@suse.de>
16393
16394         * tree-ssa-alias.c (is_escape_site): Remove.
16395         * tree-ssa-alias.h (enum escape_type): Remove.
16396         (is_escape_site): Likewise.
16397         * tree-ssa-structalias.c (find_func_aliases): Handle escapes
16398         via casts and asms without deferring to is_escape_site.
16399
16400 2009-06-16  Jakub Jelinek  <jakub@redhat.com>
16401
16402         PR middle-end/40446
16403         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't
16404         use gen_lowpart if op0 has complex mode.
16405
16406 2009-06-16  Richard Guenther  <rguenther@suse.de>
16407
16408         * tree-ssa-structalias.c (do_ds_constraint): Stores in global
16409         variables add them to ESCAPED.
16410         (find_func_aliases): Do not make all indirectly stored values escaped.
16411
16412 2009-06-16  Rafael Avila de Espindola  <espindola@google.com>
16413
16414         * config/i386/winnt.c (i386_pe_encode_section_info): Update call to
16415         make_decl_one_only.
16416
16417 2009-06-16  Martin Jambor  <mjambor@suse.cz>
16418
16419         PR tree-optimization/40432
16420         * tree-sra.c (sra_modify_assign): When creating VIEW_CONVERT_EXPR,
16421         check whether we need to force gimple register operand.
16422
16423 2009-06-16  Martin Jambor  <mjambor@suse.cz>
16424
16425         PR tree-optimization/40413
16426         * tree-sra.c (load_assign_lhs_subreplacements): Pass offset to
16427         build_ref_for_offset.
16428         (propagate_subacesses_accross_link): Fix a typo in a comment.
16429
16430 2009-06-16  Ira Rosen  <irar@il.ibm.com>
16431
16432         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
16433         with additional parameter.
16434         * tree-vectorizer.h (enum vect_def_type): Add new value
16435         vect_nested_cycle.
16436         (enum vect_relevant): Add comments.
16437         (vect_is_simple_reduction): Add new argument.
16438         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Add comments.
16439         Detect nested cycles.
16440         (vect_is_simple_reduction): Update documentation, add an argument to
16441         distinguish inner-loop reduction from nested cycle, detect nested
16442         cycles, fix printings and indentation, don't swap operands in case
16443         of nested cycle.
16444         (get_initial_def_for_reduction): Handle subtraction.
16445         (vect_create_epilog_for_reduction): Add new argument to specify
16446         reduction variable.
16447         (vect_finalize_reduction): Handle subtraction, fix comments.
16448         (vectorizable_reduction): Handle nested cycles. In case of nested
16449         cycle keep track of the reduction variable position. Call
16450         vect_is_simple_reduction with additional parameter. Use original
16451         statement code in reduction epilogue for nested cycle. Call
16452         vect_create_epilog_for_reduction with additional parameter.
16453         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Assert
16454         inner-loop vectorization.
16455         (vect_recog_widen_sum_pattern): Likewise.
16456         * tree-vect-stmts.c (process_use): Distinguish between nested cycles
16457         and reductions.
16458         (vect_mark_stmts_to_be_vectorized): Likewise.
16459         (vect_get_vec_def_for_operand): Handle nested cycles.
16460
16461 2009-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16462
16463         * doc/invoke.texi (Debugging Options): Fix option index entries
16464         for -fdump-statistics, -frandom-seed add entries for
16465         -fdump-tree-original, -fdump-tree-optimized, -frandom-seed.
16466         (FRV Options): Fix entries for -mTLS, -mtls.
16467         (HPPA Options): Fix entries for -mgnu-ld, -mhp-ld.
16468         (i386 and x86-64 Options): Fix entry for -mno-red-zone.
16469         (M68hc1x Options): Fix @itemx for -mnominmax.
16470         (MCore Options): Fix entry for -mno-lsim.
16471         (MMIX Options): Fix entry for -mabi=mmixware.
16472         (PDP-11 Options): Fix entry for -mbcopy-builtin.
16473
16474 2009-06-16  Basile Starynkevitch  <basile@starynkevitch.net>
16475
16476         * doc/plugins.texi (Interacting with the GCC Garbage Collector):
16477         Mention the plugin mode of gengtype.
16478         * doc/gty.texi (Source Files Containing Type Information): Likewise.
16479         * gengtype.c: Updated copyright.
16480         (plugin_files, nb_plugin_files) Added new static variables.
16481         (measure_input_list) Care about plugin_files.
16482         (write_rtx_next): Added early return in plugin mode.
16483         (create_file): Updated copyright year in generated file. Added
16484         asserts.
16485         (oprintf): Added early return if NULL outf.
16486         (get_output_file_with_visibility): Care of plugin_files.
16487         (get_output_file_name): May return null.
16488         (write_local): Added early return.
16489         (put_mangled_filename): Ditto.
16490         (finish_root_table): Added check for base_files.
16491         (write_roots): Care about null when plugins.
16492         (main): Added plugin mode.
16493
16494 2009-06-15  Ian Lance Taylor  <iant@google.com>
16495
16496         * df-problems.c (df_simulate_one_insn_forwards): Fix braces in switch.
16497         * gcov.c (read_count_file): Add braces around variables declared
16498         before label.
16499
16500         * c.opt (Wjump-misses-init): New warning.
16501         * c-opts.c (c_common_handle_option): Set warn_jump_misses_init for
16502         -Wall and -Wc++-compat if not already set.
16503         (c_common_post_options): Clear warn_jump_misses_init if it was not
16504         set.
16505         * c-decl.c (struct c_binding): Change type field to a union with
16506         new label field.  Make it the first field in the struct.  Update
16507         references to type to use u.type instead.
16508         (struct c_spot_bindings): Define.
16509         (struct c_goto_bindings): Define.
16510         (c_goto_bindings_p): Define, along with VECs.
16511         (struct c_label_vars): Define.
16512         (struct c_scope): Add has_label_bindings field.
16513         (bind_label, set_spot_bindings): New static functions.
16514         (decl_jump_unsafe, update_spot_bindings): New static functions.
16515         (update_label_decls): New static function.
16516         (pop_scope): Call update_label_decls.  Don't call c_end_vm_scope.
16517         Update binding u.label field to shadowed field.
16518         (c_binding_start_stmt_expr): New function.
16519         (c_binding_end_stmt_expr): New function.
16520         (pushdecl): Don't call c_begin_vm_scope.
16521         (make_label): Add defining and p_label_vars parameters.  Change
16522         all callers.
16523         (lookup_label): Correct test for whether a label has not yet been
16524         defined.  Call bind_label rather than bind.
16525         (warn_about_goto): New static function.
16526         (lookup_label_for_goto): New function.
16527         (declare_label): Call bind_label rather than bind.
16528         (check_earlier_gotos): New static function.
16529         (define_label): Don't give errors about jumping into statement
16530         expressions or scopes of variably modified types.  Call
16531         set_spot_bindings and check_earlier_gotos.  Call bind_label
16532         instead of bind.  Don't set label_context_stack_se or
16533         label_context_stack_vm.
16534         (c_get_switch_bindings): New function.
16535         (c_release_switch_bindings): New function.
16536         (c_check_switch_jump_warnings): New function.
16537         (start_function): Don't set label_context_stack_se or
16538         label_context_stack_vm.
16539         (finish_function): Likewise.
16540         * c-typeck.c (label_context_stack_se): Don't define.
16541         (label_context_stack_vm): Don't define.
16542         (c_finish_goto_label): Call lookup_label_for_goto rather than
16543         lookup_label.  Don't give errors about jumping into a statement
16544         expression or the scope of a variably modified type.  Don't set
16545         label_context_stack_se or label_context_stack_vm.
16546         (struct c_switch): Remove blocked_stmt_expr and blocked_vm
16547         fields.  Add bindings field.
16548         (c_start_case): Don't set deleted fields.  Set bindings field.
16549         (do_case): Rework order of tests.  Don't check blocked_stmt_expr
16550         or blocked_vm.  Call c_check_switch_jump_warnings.
16551         (c_finish_case): Don't test blocked_stmt_expr field.  Call
16552         c_release_switch_bindings.
16553         (c_begin_stmt_expr): Don't increment blocked_stmt_expr in
16554         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
16555         set label_context_stack_se.  Call c_bindings_start_stmt_expr.
16556         (c_finish_stmt_expr): Don't decrement blocked_stmt_expr in
16557         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
16558         set label_context_stack_se.  Call c_bindings_end_stmt_expr.
16559         (c_begin_vm_scope, c_end_vm_scope): Don't define.
16560         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR): Don't define.
16561         (C_DECL_UNDEFINABLE_STMT_EXPR): Don't define.
16562         (C_DECL_UNJUMPABLE_VM): Don't define.
16563         (C_DECL_UNDEFINABLE_VM): Don't define.
16564         (struct c_label_list): Don't define.
16565         (struct c_label_context_se): Don't define.
16566         (struct c_label_context_vm): Don't define.
16567         (struct c_spot_bindings): Declare.
16568         (c_bindings_start_stmt_expr): Declare.
16569         (c_bindings_end_stmt_expr): Declare.
16570         (lookup_label_for_goto): Declare.
16571         (c_get_switch_bindings, c_release_switch_bindings): Declare.
16572         (c_check_switch_jump_warnings): Declare.
16573         (label_context_stack_se, label_context_stack_vm): Don't declare.
16574         (c_finish_goto_label): Update declaration.
16575         (c_begin_vm_scope, c_end_vm_scope): Don't declare.
16576         * doc/invoke.texi (Option Summary): Mention -Wjump-misses-init.
16577         (Warning Options): Document -Wjump-misses-init.
16578
16579 2009-06-15  Jakub Jelinek  <jakub@redhat.com>
16580
16581         * tree-object-size.c (addr_object_size): Fix a pasto in the last
16582         change.
16583
16584 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
16585
16586         * cgraph.c (cgraph_make_node_local): Use DECL_COMDAT_GROUP.
16587
16588 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
16589
16590         * except.c (init_eh): Use BUILTINS_LOCATION when calling build_decl.
16591
16592 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
16593
16594         * tree-eh.c (lower_try_finally_switch): Initialize tf_loc.
16595
16596 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
16597
16598         * cgraphunit.c (cgraph_function_versioning,save_inline_function_body):
16599         Use DECL_COMDAT_GROUP instead of DECL_ONE_ONLY.
16600         * cgraph.c (cgraph_create_virtual_clone): Use DECL_COMDAT_GROUP.
16601         * config/i386/i386.c (ix86_file_end): Compute DECL_COMDAT_GROUP.
16602         * dwarf2asm.c (dw2_force_const_mem): Update call to
16603         make_decl_one_only.
16604         * langhooks-def.h (lhd_comdat_group, LANG_HOOKS_COMDAT_GROUP): Remove.
16605         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_COMDAT_GROUP.
16606         * langhooks.c (lhd_comdat_group): Remove.
16607         * langhooks.h (lang_hooks_for_decls): Remove comdat_group.
16608         * tree.h (DECL_COMDAT_GROUP): New.
16609         (DECL_ONE_ONLY): Use DECL_COMDAT_GROUP.
16610         (tree_decl_with_vis): Add comdat_group. Remove one_only.
16611         (make_decl_one_only): Change signature.
16612         * varasm.c (get_emutls_init_templ_addr, emutls_decl): Update call to
16613         make_decl_one_only.
16614         (make_decl_one_only): Change signature.
16615         (default_elf_asm_named_section): Use DECL_COMDAT_GROUP.
16616
16617 2009-06-15  Richard Guenther  <rguenther@suse.de>
16618
16619         PR middle-end/40439
16620         * tree.c (widest_int_cst_value): Fix bootstrap on 32bit HWI hosts.
16621
16622 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
16623
16624         * tree-ssa-math-opts.c: Remove extra divide.
16625
16626 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
16627
16628         * config/s390/s390.md ("bswap<mode>2"): Only available on z900.
16629
16630 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
16631
16632         * passes.c: Add bswap pass.
16633         * tree-pass.h: Add pass_optimize_bswap declaration.
16634         * tree-ssa-math-opts.c: Include diagnostics.h for print_gimple_stmt.
16635         Include rtl.h, expr.h and optabs.h for optab_handler check.
16636         (struct symbolic_number, pass_optimize_bswap): New definition.
16637         (do_shift_rotate, verify_symbolic_number_p): New functions.
16638         (find_bswap_1, find_bswap, execute_optimize_bswap): New functions.
16639         (gate_optimize_bswap): New function.
16640         * tree.c (widest_int_cst_value): New function.
16641         * tree.h (widest_int_cst_value): Prototype added.
16642
16643 2009-06-14  Steven Bosscher  <steven@gcc.gnu.org>
16644
16645         * cfgcleanup.c (old_insns_match_p): Remove code to substitute
16646         REG_EQUAL/REG_EQUIV notes.
16647
16648 2009-06-14  Richard Guenther  <rguenther@suse.de>
16649
16650         PR middle-end/40389
16651         * gimple.c (walk_stmt_load_store_addr_ops): The LHS of a call
16652         has its address taken if NRV was applied and it is addressable.
16653         * tree-ssa-structalias.c (get_constraint_for_address_of): New
16654         function split out from ...
16655         (get_constraint_for_1): ... here.
16656         (handle_rhs_call): Use it to mark the return slot escaped if
16657         it is addressable and NRV was applied.
16658
16659 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
16660
16661         * config/rs6000/rs6000-protos.h (altivec_resolve_overloaded_builtin):
16662         Change first argument type to location_t.
16663         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Same.
16664         Do not set input_location.
16665         Use loc instead of input_location throughout.
16666
16667 2009-06-13  Richard Guenther  <rguenther@suse.de>
16668
16669         PR tree-optimization/40421
16670         * tree-predcom.c (should_unroll_loop_p): Remove.
16671         (tree_predictive_commoning_loop): Use can_unroll_loop_p.
16672
16673 2009-06-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
16674
16675         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
16676         Add location argument.
16677
16678 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
16679
16680         * config/alpha/alpha.c (alpha_build_builtin_va_list): Pass location to
16681         build_decl.
16682         * config/s390/s390.c (s390_build_builtin_va_list): Same.
16683         (s390_gimplify_va_arg): Pass location to create_artificial_label.
16684         * config/spu/spu-protos.h: Add location to
16685         spu_resolve_overloaded_builtin.
16686         * config/spu/spu.c (spu_build_builtin_va_list): Pass location to
16687         spu_build_builtin_va_list.
16688         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Add location
16689         argument.  Pass location to build_function_call_vec.
16690         * config/sh/sh.c (sh_build_builtin_va_list): Pass location to
16691         build_decl.
16692         (emit_fpu_switch): Same.
16693         (sh_gimplify_va_arg_expr): Pass location to create_artificial_label.
16694         * config/xtensa/xtensa.c (xtensa_build_builtin_va_list): Pass location
16695         to build_decl and create_artificial_label.
16696         (xtensa_gimplify_va_arg_expr): Same.
16697         * config/stormy16/stormy16.c (xstormy16_build_builtin_va_list): Same.
16698         (xstormy16_gimplify_va_arg_expr): Same.
16699         * config/iq2000/iq2000.c (iq2000_expand_prologue): Same.
16700         * config/arm/arm.c (arm_build_builtin_va_list): Same.
16701         * config/mips/mips.c (mips_build_builtin_va_list): Same.
16702         (mips16_build_function_stub): Same.
16703         (mips16_build_call_stub): Same.
16704
16705 2009-06-13  Richard Earnshaw  <rearnsha@arm.com>
16706
16707         PR target/40327
16708         * arm/constraints.md (Pa, Pb): New constraints.
16709         * arm/arm.md (thumb1_addsi3): Support more complex additions.  Add a
16710         split pattern to deal with them.
16711
16712 2009-06-13  Joerg Sonnenberger  <joerg@britannica.bec.de>
16713
16714         * doc/invoke.texi: Add missing option -Wp,OPTION in list,
16715         fix index entry for -Xpreprocessor.
16716
16717 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
16718
16719         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
16720         Add location argument to build_decl call.
16721         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Same.
16722         (rs6000_init_builtins): Same.
16723         (spe_init_builtins): Same.
16724         (rs6000_gimplify_va_arg): Add location argument to
16725         create_artificial_label call.
16726
16727 2009-06-12  Steven Bosscher  <steven@gcc.gnu.org>
16728
16729         * timevar.def (TV_COMBINE_STACK_ADJUST): New timevar.
16730         * combine-stack-adj.c (pass_stack_adjustments): Use it.
16731         * Makefile.in: Fix GGC dependency for gcse.o.
16732
16733 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
16734
16735         * tree-pretty-print.c (dump_generic_node): Dump column numbers.
16736         * gimple-pretty-print.c (dump_gimple_stmt): Same.
16737         * gimplify.c (gimplify_modify_expr): Set location for GIMPLE_ASSIGNs
16738         created.
16739         * c-parser.c (c_parser_binary_expression): Use current column while
16740         building binary operations.
16741         * common.opt (fshow-column): Enable by default.
16742         * tree-vrp.c (check_array_ref): Use warning_at.
16743         (check_array_bounds): Use location from call back if expr has no
16744         location.
16745         * tree.h: Add location argument to maybe_fold_*.
16746         * tree-ssa-ccp.c (ccp_fold): Pass location to maybe_fold_*.
16747         (maybe_fold_offset_to_array_ref): Add location argument and use it.
16748         (maybe_fold_offset_to_component_ref): Same.
16749         (maybe_fold_offset_to_reference): Same.
16750         (maybe_fold_offset_to_address): Same.
16751         (maybe_fold_stmt_indirect): Same.
16752         (maybe_fold_stmt_addition): Same.
16753         (fold_stmt_r): Pass location to maybe_fold_*.
16754         (fold_gimple_assign): Same.
16755         * c-tree.h: Add location argument to finish_decl,
16756         default_function_array_conversion, store_init_value.
16757         * c-decl.c (define_label): Use error_at.
16758         (c_make_fname_decl): Pass location to finish_decl.
16759         (finish_decl): New location argument.
16760         (build_compound_literal): Pass location to store_init_value.
16761         (grokdeclarator): Pass location to finish_decl.
16762         (grokfield): Same.
16763         * c-typeck.c (array_to_pointer_conversion): New location argument.
16764         (function_to_pointer_conversion): Same.
16765         (default_function_array_conversion): Same.
16766         (parser_build_unary_op): Pass location to overflow_warning.
16767         (parser_build_binary_op): Same.  Use warning_at.
16768         (build_unary_op): Pass location to array_to_pointer_conversion.
16769         (build_c_cast): Pass location to digest_init.
16770         (build_modify_expr): New location argument.
16771         (convert_for_assignment): Same.
16772         (store_init_value): Same.
16773         (digest_init): Same.
16774         (output_init_element): Pass location to digest_init and
16775         array_to_pointer_conversion.
16776         (c_finish_return): Pass location to convert_for_assignment.
16777         * gimplify.c (gimplify_conversion): Pass location to
16778         maybe_fold_offset_to_address.
16779         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Pass location
16780         to maybe_fold_stmt_addition.
16781         * c-omp.c (c_finish_omp_atomic): Pass new location to
16782         build_modify_expr.
16783         (c_finish_omp_for): Same.
16784         * c-common.c (overflow_warning): New argument.
16785         * c-common.h: New argument to build_modify_expr, overflow_warning.
16786         * c-parser.c (c_parser_declaration_or_fndef): Pass location to
16787         finish_decl.
16788         (c_parser_initializer): Pass location to
16789         default_function_array_conversion.
16790         (c_parser_initelt): Same.
16791         (c_parser_initval): Same.
16792         (c_parser_asm_operands): Same.
16793         (c_parser_expr_no_commas): Same.  Pass location to build_modify_expr.
16794         (c_parser_conditional_expression): Same.
16795         (c_parser_binary_expression): Add location info to stack.  Use it.
16796         (c_parser_unary_expression): Pass location to
16797         default_function_array_conversion, parser_build_unary_op,
16798         build_indirect_ref, c_parser_postfix_expression_after_primary.
16799         (c_parser_postfix_expression_after_primary): New location argument.
16800         Use it.
16801         (c_parser_expression_conv): Pass location to
16802         default_function_array_conversion.
16803         (c_parser_expr_list): Same.
16804         (c_parser_omp_atomic): Same.
16805         (c_parser_omp_for_loop): Same.
16806         * c-tree.h (struct c_declarator): Add comment to id_loc.
16807         (build_array_declarator): New argument.
16808         * c-decl.c (build_array_declarator): Add location argument.
16809         (grokdeclarator): Set id_loc for cdk_array.
16810         * c-parser.c (c_parser_direct_declarator_inner): Pass location to
16811         build_array_declarator.
16812         * tree.c (build_omp_clause): Add location argument.
16813         * tree.h (OMP_CLAUSE_HAS_LOCATION): New macro.
16814         (OMP_CLAUSE_LOCATION): New macro.
16815         (struct tree_omp_clause): Add location field.
16816         (build_omp_clause): Add argument.
16817         * cp/pt.c (tsubst_omp_for_iterator): Pass location to
16818         build_omp_clause.
16819         * cp/parser.c (cp_parser_omp_var_list_no_open): Same.
16820         (cp_parser_omp_clause_collapse): Same.
16821         (cp_parser_omp_clause_default): Same.
16822         (cp_parser_omp_clause_if): Same.
16823         (cp_parser_omp_clause_nowait): Same.
16824         (cp_parser_omp_clause_num_threads): Same.
16825         (cp_parser_omp_clause_ordered): Same.
16826         (cp_parser_omp_clause_schedule): Same.
16827         (cp_parser_omp_clause_untied): Same.
16828         (cp_parser_omp_for_loop): Same.
16829         (cp_parser_omp_parallel): Pass location to c_split_parallel_clauses.
16830         * c-tree.h (c_start_case): Add location argument.
16831         (c_process_expr_stmt): Same.
16832         (c_finish_goto_*): Same.
16833         * tree-parloops.c (initialize_reductions): Pass location to
16834         build_omp_clause.
16835         (create_parallel_loop): Same.
16836         * fortran/trans-openmp.c (gfc_trans_omp_variable_list): Same.
16837         (gfc_trans_omp_reduction_list): Same.
16838         (gfc_trans_omp_clauses): Same.
16839         (gfc_trans_omp_do): Same.
16840         * c-typeck.c (c_finish_goto_label): Same.
16841         (c_finish_goto_ptr): New location argument.
16842         (c_start_case): Same.
16843         (emit_side_effect_warnings): Same.
16844         (c_process_expr_stmt): Same.
16845         (c_finish_stmt_expr): Same.
16846         (c_finish_omp_clauses): Use error_at instead of error.
16847         * gimplify.c (gimplify_adjust_omp_clauses_1): Pass location to
16848         build_omp_clause.
16849         * c-omp.c (c_split_parallel_clauses): New location argument.
16850         * tree-nested.c (convert_nonlocal_reference_stmt): Pass location
16851         to build_omp_clause.
16852         (convert_local_reference_stmt): Same.
16853         (convert_gimple_call): Same.
16854         * c-common.h (c_split_parallel_clauses): New argument.
16855         * c-parser.c (c_parser_statement_after_labels): Pass location to
16856         c_finish_goto_label.
16857         (c_parser_switch_statement): Pass location to c_start_case.
16858         (c_parser_for_statement): Pass location to c_finish_expr_stmt,
16859         and c_process_expr_stmt.
16860         (c_parser_omp_variable_list): Add location argument.
16861         (c_parser_omp_clause_collapse): Pass location to build_omp_clause.
16862         (c_parser_omp_clause_default): Same.
16863         (c_parser_omp_clause_if): Same.
16864         (c_parser_omp_clause_num_threads): Same.
16865         (-c_parser_omp_clause_ordered): Same.
16866         (c_parser_omp_clause_reduction): Pass location to
16867         c_parser_omp_variable_list.
16868         (c_parser_omp_clause_schedule): Pass location to build_omp_clause.
16869         (c_parser_omp_clause_untied): Same.
16870         (c_parser_omp_for_loop): Pass location to c_process_expr_stmt.
16871         (c_parser_omp_parallel): Pass location to c_split_parallel_clauses.
16872
16873         * c-tree.h (check_for_loop_decls, undeclared_variable,
16874         build_component_ref, build_array_ref, build_external_ref,
16875         c_expr_sizeof_expr, c_expr_sizeof_type, parser_build_unary_op,
16876         build_conditional_expr, build_compound_expr, c_cast_expr,
16877         build_c_cast, build_asm_expr, c_end_compound_stmt, c_finish_stmt_expr,
16878         c_finish_return, c_finish_omp_parallel, c_finish_omp_task): New
16879         argument.
16880         * c-semantics.c (build_stmt): Same.
16881         (build_case_label): Same.
16882         * c-decl.c (c_finish_incomplete_decl): Pass location on down.
16883         (undeclared_variable): New argument.
16884         (make_label): Same.
16885         (lookup_label): Pass location on down.
16886         (define_label): Same.
16887         (finish_decl): Same.
16888         (build_compound_literal): Same.
16889         (finish_struct): Same.
16890         (finish_function): Do not set location here.
16891         (check_for_loop_decls): New argument.
16892         * tree.c (save_expr): Set location.
16893         (build_empty_stmt): New argument.
16894         * tree.h (build_empty_stmt): New argument to build_empty_stmt.
16895         (CAN_HAVE_LOCATION_P): Make sure we have a non empty node.
16896         * builtins.c (gimplify_va_arg_expr): Use locations.
16897         (expand_builtin_sync_operation): Same.
16898         * c-typeck.c (build_component_ref): New argument.
16899         (build_array_ref): Same.
16900         (build_external_ref): Same.
16901         (c_expr_sizeof_expr): Same.
16902         (c_expr_sizeof_type): Same.
16903         (parser_build_unary_op): Same.
16904         (build_conditional_expr): Same.
16905         (build_compound_expr): Pass location on down.
16906         (build_compound_expr): New argument.
16907         (build_c_cast): Same.
16908         (c_cast_expr): Same.
16909         (build_asm_expr): Same.
16910         (c_finish_return): Same.
16911         (c_process_expr_stmt): Pass location on down.
16912         (c_finish_stmt_expr): New argument.
16913         (push_clenaup): Same.
16914         (c_finish_omp_parallel): Same.
16915         (c_finish_omp_task): Same.
16916         * gimplify.c (gimplify_call_expr): Pass location on down.
16917         * c-omp.c (c_finish_omp_master): New argument.
16918         (c_finish_omp_critical): Same.
16919         (c_finish_omp_ordered): Same.
16920         (c_finish_omp_barrier): Same.
16921         (-c_finish_omp_taskwait): Same.
16922         (c_finish_omp_atomic): Same.
16923         (c_finish_omp_flush): Same.
16924         * tree-inline.c (copy_tree_body_r): Pass location on down.
16925         (inline_forbidden_p): Remove use of input_location.
16926         * c-gimplify.c (c_build_bind_expr): New argument.
16927         * c-common.c (c_common_truthvalue_conversion): Pass location on down.
16928         (c_sizeof_or_alignof_type): New argument.
16929         (c_alignof_expr): Same.
16930         (build_va_arg): Same.
16931         (c_add_case_label): Same.
16932         * c-common.h (c_sizeof_or_alignof_type, c_alignof_expr,
16933         c_sizeof, c_alignof, build_va_arg, build_stmt, build_case_label,
16934         c_build_bind_expr, objc_build_selector_expr, objc_build_throw_stmt,
16935         c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered,
16936         c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush,
16937         c_finish_omp_taskwait, c_finish_omp_for, c_split_parallel_clauses):
16938         New argument.
16939         * stub-objc.c (objc_build_selector_expr): Same.
16940         (objc_build_throw_stmt): Same.
16941         * c-parser.c (c_parser_declaration_or_fndef): Pass location on down.
16942         (c_parser_initelt): Same.
16943         (c_parser_compound_statement): Same.
16944         (c_parser_compound_statement_nostart): Same.
16945         (c_parser_label): Same.
16946         (c_parser_statement_after_labels): Same.
16947         (c_parser_if_body): Same.
16948         (c_parser_else_body): Same.
16949         (c_parser_if_statement): Same.
16950         (c_parser_switch_statement): Same.
16951         (c_parser_while_statement): Same.
16952         (c_parser_do_statement): Same.
16953         (c_parser_for_statement): Same.
16954         (c_parser_asm_statement): Same.
16955         (c_parser_conditional_expression): Same.
16956         (c_parser_binary_expression): Same.
16957         (c_parser_cast_expression): Same.
16958         (c_parser_unary_expression): Same.
16959         (c_parser_sizeof_expression): Same.
16960         (c_parser_alignof_expression): Same.
16961         (c_parser_postfix_expression): Same.
16962         (c_parser_expression): Same.
16963         (c_parser_objc_receiver): Same.
16964         (c_parser_omp_variable_list): Same.
16965         (c_parser_omp_structured_block): Same.
16966         (c_parser_omp_atomic): New argument.
16967         (c_parser_omp_barrier): Same.
16968         (c_parser_omp_critical): Same.
16969         (c_parser_omp_flush): Pass location on down.
16970         (c_parser_omp_for_loop): New argument.
16971         (c_parser_omp_for): Same.
16972         (c_parser_omp_master): Same.
16973         (c_parser_omp_ordered): Same.
16974         (c_parser_omp_sections_scope): Same.
16975         (c_parser_omp_sections): Same.
16976         (c_parser_omp_parallel): Same.
16977         (c_parser_omp_single): Same.
16978         (c_parser_omp_task): Same.
16979         (c_parser_omp_taskwait): Pass location on down.
16980         (c_parser_omp_construct): Same.
16981         (c_parser_omp_threadprivate): Same.
16982         * dwarf2asm.c, targhooks.c, optabs.c, tree.c, tree.h, target.h,
16983         builtins.c, omp-low.c, cgraphunit.c, tree-call-cdce.c,
16984         tree-ssa-alias.c, gimple-low.c, c-tree.h, expr.c, tree-parloops.c,
16985         c-decl.c, tree-eh.c, langhooks.c, function.c, stor-layout.c,
16986         c-typeck.c, gimplify.c, c-pragma.c, expmed.c, except.c, coverage.c,
16987         emit-rtl.c, cfgexpand.c, tree-mudflap.c, varasm.c, tree-nested.c,
16988         rtl.h, tree-inline.c, tree-profile.c, c-common.c, c-common.h,
16989         tree-switch-conversion.c, tree-cfg.c, ipa-struct-reorg.c, c-parser.c,
16990         config/i386/i386.c, stmt.c:
16991         Add location argument to the following function definitions and/or
16992         function calls: build_decl, objcp_start_struct, objcp_finish_struct,
16993         start_struct, finish_struct, PUSH_FIELD, create_artificial_label,
16994         cp_make_fname_decl, pushtag, implicitly_declare, c_make_fname_decl,
16995         build_compound_literal, parser_xref_tag, resolve_overloaded_builtin,
16996         do_case, c_finish_bc_stmt, build_compound_literal,
16997         build_function_call.
16998         * c-decl.c (build_compound_literal): Add location argument.
16999         Make all diagnostic calls use location.
17000         (start_struct): Same.
17001         (finish_struct): Same.
17002         (start_enum): Same.
17003         (build_enumerator): Same.
17004         (start_function): Same.
17005         (grokdeclarator): Make all diagnostic calls use location.
17006         (store_parm_decls_oldstyle): Same.
17007         * c-typeck.c (build_function_call): Add location argument.
17008         Make all diagnostic calls use location.
17009         (do_case): Same.
17010         (c_finish_bc_stmt): Same.
17011         * tree-nested.c (get_trampoline_type): Add argument.
17012         Pass location to build_decl.
17013         (lookup_tramp_for_decl): Pass location to get_trampoline_type.
17014         * rtl.h (RTL_LOCATION): New.
17015         * c-common.c (c_add_case_label): Add location argument.
17016         Make all diagnostic calls use location.
17017         * c-common.h: Add location argument to make_fname_decl, do_case,
17018         c_add_case_label, build_function_call, resolve_overloaded_builtin.
17019         * c-parser.c (c_parser_enum_specifier): Rename ident_loc to enum_loc.
17020         Set it appropriately for every case.  Pass enum_loc to start_enum
17021         call.  Pass value_loc first to build_enumerator.  Pass enum_loc to
17022         parser_xref_tag.
17023         (c_parser_struct_or_union_specifier): Save location.  Use it for
17024         start_struct, finish_struct, and parser_xref_tag.
17025
17026 2009-06-12  Ian Lance Taylor  <iant@google.com>
17027
17028         * fold-const.c (fold_unary): Rename local variable and to and_expr.
17029
17030         * c-opts.c (c_common_handle_option): For -Wc++-compat set
17031         cpp_opts->warn_cxx_operator_names.
17032
17033 2009-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17034
17035         PR tree-opt/38865
17036         * tree-ssa-sccvn.c (visit_reference_op_load): If vn_reference_lookup
17037         is returns NULL and OP is a VCE, look through the VCE.
17038
17039 2009-06-12  Ian Lance Taylor  <iant@google.com>
17040
17041         PR bootstrap/40430
17042         * collect2.c (main): Use CONST_CAST2 in code inside #if
17043         LINK_ELIMINATE_DUPLICATE_LDIRECTORIES.
17044
17045 2009-06-12  Joey Ye  <joey.ye@intel.com>
17046
17047         PR middle-end/39146
17048         * cfgexpand.c (get_decl_align_unit): Update
17049         max_used_stack_slot_alignment with align instead of
17050         stack_alignment_needed.
17051
17052         * function.c (assign_stack_local_1): Update
17053         max_used_stack_slot_alignment with alignment_in_bits instead
17054         of stack_alignment_needed.
17055         (locate_and_pad_parm): Don't update max_used_stack_slot_alignment
17056         here.
17057
17058 2009-06-12  Jakub Jelinek  <jakub@redhat.com>
17059
17060         * dwarf2out.c (last_var_location_insn): New variable.
17061         (dwarf2out_end_epilogue): Clear last_var_location_insn.
17062         (dwarf2out_var_location): Don't record anything after last real
17063         insn.  Only change labels if there were any real instructions
17064         in between last note and this one, or if changed sections.
17065
17066 2009-06-11  Richard Henderson  <rth@redhat.com>
17067
17068         * alpha.c (alpha_expand_prologue): Add a REF_CFA_REGISTER
17069         note when storing the frame pointer in a register.
17070         (FRP): Don't redefine to nothing for epilogue.
17071         (alpha_expand_epilogue): Mark register and sp restores.
17072         (unicosmk_gen_dsib): Don't mark weird frame pointer adjust.
17073
17074         * config/alpha/alpha.c (alpha_emit_setcc): Fix test for
17075         when gen_lowpart is needed.
17076
17077 2009-06-11  Richard Henderson  <rth@redhat.com>
17078
17079         * dwarf2out.c (def_cfa_1): Likewise for DW_CFA_cfa_offset.
17080
17081         * dwarf2out.c (need_data_align_sf_opcode): New.
17082         (div_data_align): Move earlier.
17083         (def_cfa_1, reg_save): Use it.
17084
17085 2009-06-11  H.J. Lu  <hongjiu.lu@intel.com>
17086
17087         * config/i386/i386.c (OPTION_MASK_ISA_CRC32_SET): New.
17088         (OPTION_MASK_ISA_CRC32_UNSET): Likewise.
17089         (ix86_handle_option): Handle OPT_mcrc32.
17090         (ix86_target_string): Add -mcrc32.
17091         (bdesc_args): Enable crc32 builtins with OPTION_MASK_ISA_CRC32.
17092
17093         * config/i386/i386.h (TARGET_CRC32): New.
17094
17095         * config/i386/i386.md (sse4_2_crc32<mode>): Also check TARGET_CRC32.
17096         (sse4_2_crc32di): Likewise.
17097
17098         * config/i386/i386.opt (mcrc32): New.
17099
17100         * doc/invoke.texi: Document -mcrc32.
17101
17102 2009-06-11  Richard Henderson  <rth@redhat.com>
17103
17104         * common.opt (gdwarf-): Accept a version number.
17105         * doc/invoke.texi (gdwarf-): Update docs.
17106         * opth-gen.awk: Special case -gdwarf+ to OPT_gdwarfplus.
17107         * opts.c (common_handle_option) [OPT_gdwarf_]: Verify dwarf
17108         version level, and record it.
17109
17110         * dwarf2.h (DW_CIE_VERSION): Remove.
17111         * dwarf2out.c (DWARF_VERSION): Remove.
17112         (add_fde_cfi): Skip DW_CFA_set_loc addition for dwarf3.
17113         (output_call_frame_info): Use CIE version 3 for dwarf3,
17114         or if the return register column is out of range for version 1.
17115         (dwarf_stack_op_name): Add all dwarf3 values.
17116         (DEBUG_PUBTYPES_SECTION): New.
17117         (size_of_die) [dw_val_class_die_ref]: Handle DW_FORM_ref_addr
17118         encoding change for dwarf3.
17119         (output_die) [dw_val_class_die_ref]: Likewise.
17120         (output_compilation_unit_header): Emit correct version for dwarf3.
17121         (output_line_info): Likewise.
17122         (output_pubnames): Update for DWARF_VERSION removal.
17123         (output_aranges): Likewise.
17124         (gen_subprogram_die): Emit DW_OP_call_frame_cfa if emitting dwarf3.
17125         (dwarf2out_init): Don't ifdef DEBUG_PUBTYPES_SECTION.
17126         (dwarf2out_finish): Likewise.
17127
17128 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
17129
17130         * system.h (gcc_assert, gcc_unreachable): Revert accidental commit
17131         in r148403.
17132
17133 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
17134
17135         PR c/39252
17136         * doc/extend.texi ( __builtin_unreachable): Document new builtin.
17137         * builtins.c (expand_builtin_unreachable): New function.
17138         (expand_builtin): Handle BUILT_IN_UNREACHABLE case.
17139         * builtins.def (BUILT_IN_UNREACHABLE): Add new builtin.
17140         * cfgcleanup.c (try_optimize_cfg): Delete empty blocks with no
17141         successors.
17142         * cfgrtl.c (rtl_verify_flow_info): Handle empty blocks when
17143         searching for missing barriers.
17144
17145 2009-06-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
17146
17147         * config/darwin.h (LINK_COMMAND_SPEC): Adjust spec to link libcov
17148         when -fprofile-generate* was passed.
17149         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
17150
17151 2009-06-11  Anthony Green  <green@moxielogic.com>
17152
17153         * config/moxie/moxie.md: Define length attribute for all instructions.
17154         (rCC): Define.
17155         (*b<cond:code>): Support limited branch ranges for new PC-relative
17156         branch instructions.
17157         * config/moxie/moxie.h (HAS_LONG_UNCOND_BRANCH): Define.
17158
17159 2009-06-11  Jakub Jelinek  <jakub@redhat.com>
17160
17161         * config/i386/i386.c (min_insn_size): Use get_attr_length
17162         for normal insns other than TYPE_MULTI, TYPE_OTHER and TYPE_FCMP.
17163         For __asm return 0.
17164
17165         * config/i386/i386.c (ix86_pad_returns): Use emit_jump_insn_before
17166         instead of emit_insn_before.
17167
17168 2009-06-10  Ian Lance Taylor  <iant@google.com>
17169
17170         PR bootstrap/40408
17171         * graphite.c (add_conditions_to_domain): Change SWITCH_EXPR to
17172         GIMPLE_SWITCH.
17173
17174 2009-06-10  Revital Eres  <eres@il.ibm.com>
17175
17176         * passes.c (init_optimization_passes): Reschedule
17177         predictive-commoning pass before complete unroll pass.
17178
17179 2009-06-10  Martin Jambor  <mjambor@suse.cz>
17180
17181         * cgraph.c (cgraph_node_can_be_local_p): New function.
17182         (cgraph_make_node_local): New function.
17183         * cgraph.h (cgraph_node_can_be_local_p): Declare.
17184         (cgraph_make_node_local): Declare.
17185
17186 2009-06-10  Nathan Froyd  <froydnj@codesourcery.com>
17187
17188         * tree.h (tree_base): Add packed_flag and user_align fields.
17189         Decrease size of spare field.
17190         (TYPE_USER_ALIGN): Use user_align from tree_base.
17191         (DECL_USER_ALIGN): Likewise.
17192         (TYPE_PACKED): Use packed_flag from tree_base.
17193         (DECL_PACKED): Likewise.
17194         (tree_type): Delete packed_flag and user_align fields.  Widen
17195         precision field.  Widen mode field and shuffle fields to align
17196         mode on an 8-bit boundary.
17197         (tree_decl_common): Delete decl_flag_1 and user_align fields.
17198         Renumber decl_flag_* fields.  Fix comments.  Widen
17199         decl_common_unused field.
17200         (DECL_HAS_VALUE_EXPR_P): Adjust for renumbering of decl_flag_* fields.
17201         (DECL_EXTERNAL): Likewise.
17202         (DECL_BIT_FIELD): Likewise.
17203         (DECL_NONADDRESSABLE_P): Likewise.
17204         (TYPE_DECL_SUPRESS_DEBUG): Likewise.
17205         * config/arm/arm-modes.def (XImode): Make it an INT_MODE.
17206
17207 2009-06-10  Ian Lance Taylor  <iant@google.com>
17208
17209         * vec.h (DEF_VEC_ALLOC_I): Use DEF_VEC_NONALLOC_FUNCS_I.
17210         (DEF_VEC_ALLOC_P): Use DEF_VEC_NONALLOC_FUNCS_P.
17211         (DEF_VEC_ALLOC_O): Use DEF_VEC_NONALLOC_FUNCS_O.
17212         (DEF_VEC_ALLOC_FUNC_P): Only define VEC_OP (T,A,alloc).
17213         (DEF_VEC_NONALLOC_FUNCS_P): New macro, broken out of old
17214         DEF_VEC_ALLOC_FUNC_P.
17215         (DEF_VEC_ALLOC_FUNC_O): Only define VEC_OP (T,A,alloc).
17216         (DEF_VEC_NONALLOC_FUNCS_O): New macro, broken out of old
17217         DEF_VEC_ALLOC_FUNC_O.
17218         (DEF_VEC_ALLOC_FUNC_I): Only define VEC_OP (T,A,alloc).
17219         (DEF_VEC_NONALLOC_FUNCS_I): New macro, broken out of old
17220         DEF_VEC_ALLOC_FUNC_I.
17221         (vec_stack_p_reserve, vec_stack_p_reserve_exact): Declare.
17222         (vec_stack_p_reserve_exact_1): Declare.
17223         (vec_stack_o_reserve, vec_stack_o_reserve_exact): Declare.
17224         (vec_stack_free): Declare.
17225         (VEC_stack_alloc): Define.
17226         (DEF_VEC_ALLOC_P_STACK, DEF_VEC_ALLOC_FUNC_P_STACK): Define.
17227         (DEF_VEC_ALLOC_O_STACK, DEF_VEC_ALLOC_FUNC_O_STACK): Define.
17228         (DEF_VEC_ALLOC_I_STACK, DEF_VEC_ALLOC_FUNC_I_STACK): Define.
17229         * vec.c (void_p): New type.  Call DEF_VEC_P and DEF_VEC_ALLOC_P
17230         for void_p.
17231         (stack_vecs): New static variable.
17232         (vec_stack_p_reserve_exact_1): New function.
17233         (vec_stack_o_reserve_1): New static function.
17234         (vec_stack_p_reserve, vec_stack_p_reserve_exact): New functions.
17235         (vec_stack_o_reserve, vec_stack_o_reserve_exact): New functions.
17236         (vec_stack_free): New function.
17237         * df-scan.c (df_ref): Use DEF_VEC_P and DEF_VEC_ALLOC_P_STACK.
17238         (VEC_df_ref_stack_alloc): Define.
17239         (df_mw_hardreg_ptr): New type.  Use DEF_VEC_P and
17240         DEF_VEC_ALLOC_P_STACK.
17241         (VEC_df_mw_hardreg_ptr_stack_alloc): Define.
17242         (struct df_collection_rec): Change _vec fields to VEC.  Remove
17243         _use fields.
17244         (df_free_collection_rec): Adjust for new fields.
17245         (df_insn_rescan): Use new df_collection_rec fields.
17246         (df_notes_rescan, df_canonize_collection_rec): Likewise.
17247         (df_ref_create_structure, df_ref_record): Likewise.
17248         (df_get_conditional_uses, df_get_call_refs): Likewise.
17249         (df_insn_refs_collect, df_bb_refs_collect): Likewise.
17250         (df_bb_refs_record, df_record_entry_block_defs): Likewise.
17251         (df_record_exit_block_uses, df_bb_verify): Likewise.
17252         (df_swap_refs): Change ref_vec parameter to VEC.  Change all callers.
17253         (df_sort_and_compress_refs): Change ref_vec parameter to VEC.
17254         Remove count parameter.  Change return type to void.  Change all
17255         callers.
17256         (df_sort_and_compress_mws): Change mw_vec parameter to VEC.
17257         Remove count parameter.  Change return type to void.  Change all
17258         callers.
17259         (df_install_refs): Change old_vec parameter to VEC.  Remove count
17260         parameter.  Change all callers.
17261         (df_install_mws): Change old_vec parameter to VEC.  Remove count
17262         parameter.  Change all callers.
17263         (df_refs_verify): Change new_rec parameter to VEC.  Change call
17264         callers.
17265         (df_mws_verify): Likewise.
17266
17267 2009-06-10  Alexandre Oliva  <aoliva@redhat.com>
17268
17269         * gcc.c (compare_files): Cast munmap argumento to caddr_t.
17270
17271 2009-06-10  H.J. Lu  <hongjiu.lu@intel.com>
17272
17273         * doc/extend.texi: Add description for __builtin_ia32_crc32di.
17274
17275 2009-06-10  Anthony Green  <green@moxielogic.com>
17276
17277         * config/moxie/crti.asm: New file.
17278         * config/moxie/crtn.asm: New file.
17279         * config/moxie/moxie.c: New file.
17280         * config/moxie/moxie.h: New file.
17281         * config/moxie/sfp-machine.h: New file.
17282         * config/moxie/moxie-protos.h: New file.
17283         * config/moxie/t-moxie: Created.
17284         * config/moxie/t-moxie-softfp: Created.
17285         * config/moxie/moxie.md: Created.
17286         * config/moxie/constraints.md: Created.
17287         * config.gcc: Add moxie support.
17288         * doc/md.texi (Machine Constraints): Add moxie constraints.
17289         * doc/contrib.texi (Contributors): Mention moxie port.
17290         * doc/install.texi (Specific): Mention the moxie port.
17291
17292 2009-06-09  Ian Lance Taylor  <iant@google.com>
17293
17294         * system.h (HAVE_DESIGNATED_INITIALIZERS): Don't define if
17295         compiling with C++.
17296         * optabs.c (optab_table): Only use designated initializers if
17297         HAVE_DESIGNATED_INITIALIZERS is defined.
17298         (convert_optab_table): Likewise.
17299         (init_optabs): Always call init_insn_codes if
17300         HAVE_DESIGNATED_INITIALIZERS is not defined.
17301
17302 2009-06-09  Ian Lance Taylor  <iant@google.com>
17303
17304         * targhooks.c (default_builtin_vectorized_function): Change fn
17305         parameter to unsigned int.
17306         (default_builtin_vectorized_conversion): Change code parameter to
17307         unsigned int.
17308         (default_builtin_reciprocal): Change fn parameter to unsigned int.
17309         * targhooks.h: Update declarations.
17310         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Change code
17311         parameter to unsigned int.
17312
17313         * c-typeck.c (comptypes_check_enum_int): New static function.
17314         (comptypes_internal): Add enum_and_int_p parameter.  Change all
17315         callers.
17316         (comp_target_types): Add location parameter.  Change all callers.
17317         (tagged_types_tu_compatible_p): Add enum_and_int_p parameter.
17318         Change all callers.
17319         (function_types_compatible_p, type_lists_compatible_p): Likewise.
17320         (build_conditional_expr): Add colon_loc parameter.  Change all
17321         callers.
17322         (convert_for_assignment): Add location parameter.  Change all callers.
17323         * c-parser.c (c_parser_conditional_expression): Pass location of
17324         colon to build_conditional_expr.
17325         * c-tree.h (build_conditional_expr): Update declaration.
17326
17327 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
17328
17329         * graphite.c: Revert previous patch.
17330
17331 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
17332
17333         PR bootstrap/40103
17334         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
17335
17336 2009-06-09  Ghassan Shobaki  <ghassan.shobaki@amd.com>
17337
17338         * tree-ssa-loop-prefetch.c
17339         (loop_prefetch_arrays): Fixed a portability problem in printf format
17340         string.
17341
17342 2009-06-09  Martin Jambor  <mjambor@suse.cz>
17343
17344         PR tree-optimization/40351
17345         * tree-sra.c (propagate_subacesses_accross_link): Check that a
17346         refrence to a potential artifical subaccess can be constructed.
17347
17348 2009-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
17349
17350         * config/sh/sh-protos.h (sh_optimization_options): Declare.
17351         (sh_override_options): Likewise.
17352         * config/sh/sh.c: Include params.h.
17353         (sh_optimization_options): New.
17354         (sh_override_options): Likewise.
17355         * config/sh/sh.c (OPTIMIZATION_OPTIONS): Use sh_optimization_options.
17356         (OVERRIDE_OPTIONS): Use sh_override_options.
17357
17358 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
17359
17360         * dwarf2out.c (emit_cfa_remember): New variable.
17361         (add_fde_cfi): If emit_cfa_remember, recurse to add
17362         DW_CFA_remember_state first.
17363         (dwarf2out_begin_epilogue): Don't add_fde_cfi DW_CFA_remember_state,
17364         instead just set emit_cfa_remember.
17365
17366 2009-06-08  Jan Hubicka  <jh@suse.cz>
17367
17368         PR debug/40126
17369         * dwarf2out.c (dwarf2out_abstract_function): Free decl_loc_table.
17370
17371 2009-06-08  Jan Hubicka  <jh@suse.cz>
17372
17373         PR middle-end/39834
17374         * cgraphunit.c (save_inline_function_body): Do not copy transform
17375         hooks for saved inline bodies.
17376         * ipa-passes.c (do_per_function): Do not add the hoks multiple times
17377         for given function.
17378
17379 2009-06-08  Adam Nemet  <anemet@caviumnetworks.com>
17380
17381         * jump.c (returnjump_p): Handle delayed branches.  Add missing
17382         function comment.
17383
17384 2009-06-08  Jan Hubicka  <jh@suse.cz>
17385
17386         PR middle-end/40102
17387         * cgraph.c (cgraph_create_edge_including_clones): Also asume that the
17388         original node might've been modified.
17389         * tree-inline.c (copy_bb): Do not assume that all clones are the same.
17390
17391 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
17392
17393         * tree-object-size.c (addr_object_size): Add OSI argument.
17394         Handle also INDIRECT_REF with SSA_NAME inside of it as base address.
17395         (compute_builtin_object_size, expr_object_size): Adjust callers.
17396         (plus_stmt_object_size): Call addr_object_size instead of
17397         compute_builtin_object_size.
17398
17399 2009-06-08  Ghassan Shobaki  <ghassan.shobaki@amd.com>
17400             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
17401
17402         * tree-ssa-loop-prefetch.c
17403         (gather_memory_references): Introduced a counter for the number of
17404         memory references.
17405         (anything_to_prefetch_p): Introduced a counter for the number of
17406         prefetches.
17407         (is_loop_prefetching_profitable): New function with a cost model
17408         for prefetching.
17409         (loop_prefetch_arrays): Use the new cost model to determine if
17410         prefetching is profitable.
17411         * params.def (MIN_INSN_TO_PREFETCH_RATIO,
17412         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
17413         * params.h (MIN_INSN_TO_PREFETCH_RATIO,
17414         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
17415         * doc/invoke.texi (MIN_INSN_TO_PREFETCT_RATIO,
17416         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
17417
17418 2009-06-08  Michael Matz  <matz@suse.de>
17419
17420         PR debug/40012
17421         * cfgexpand.c (set_rtl): Store place also in DECL_RTL, if all
17422         partitions use the same.
17423         (expand_one_var): Deal with DECL_RTL sometimes begin set also
17424         for basevars of SSA_NAMEs.
17425         (expand_used_vars): Reset TREE_USED for basevars of SSA_NAMEs,
17426         to not expand them twice.
17427         (gimple_expand_cfg): Clear DECL_RTL for those decls that have
17428         multiple places.
17429
17430 2009-06-08  Alexandre Oliva  <aoliva@redhat.com>
17431
17432         * common.opt (fcompare-debug=, fcompare-debug-second): New.
17433         (fdump-final-insns=, gtoggle): New.
17434         * doc/invoke.texi: Document them.
17435         * final.c (rest_of_clean_state): Dump final insn stream.
17436         * gcc.c (invoke_as): Hook in -fcompare-debug.
17437         (static_spec_functions): Add compare-debug-dump-opt,
17438         compare-debug-self-opt and compare-debug-auxbase-opt.
17439         (compare_debug, compare_debug_second, compare_debug_opt): New.
17440         (switches_debug_check, n_switches_debug_check): New.
17441         (debug_auxbase_opt, debug_check_temp_file): New.
17442         (process_command): Handle -fno-compare-debug, -fcompare-debug and
17443         -fcompare-debug=*.
17444         (do_self_spec): Handle arguments after switches.
17445         (do_spec_1): Add .gk extension to temp file basenames for compare.
17446         (check_live_switch): Take SWITCH_IGNORE into account, and earlier.
17447         (cc1_options): Use it instead of normal auxbase computation for
17448         the second compare-debug compilation.
17449         (compare_files): New.
17450         (main): Set up and implement compare debug mode.
17451         (compare_debug_dump_opt_spec_function): New.
17452         (compare_debug_self_opt_spec_function): New.
17453         (compare_debug_auxbase_opt_spec_function): New.
17454         * toplev.c (process_options): Handle flag_gtoggle,
17455         flag_dump_final_insns.
17456         * coverage.c (coverage_begin_output): Don't overwrite .gcno file
17457         during -fcompare-debug-second compilation.
17458
17459 2009-06-07  Ian Lance Taylor  <iant@google.com>
17460
17461         * dwarf2.h (enum dwarf_location_atom): Add INTERNAL_DW_OP_tls_addr.
17462         * dwarf2out.c (INTERNAL_DW_OP_tls_addr): Don't #define.
17463
17464         * c-common.c (c_do_switch_warnings): Don't exit early for -Wswitch
17465         with no default node.  Change warning with %H to warning_at.
17466         Don't clear warn_switch around case checking.
17467         * doc/invoke.texi (Warning Options): Clarify distinction between
17468         -Wswitch and -Wswitch-enum.
17469
17470 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
17471
17472         * tree-pass.h (TODO_update_ssa_any): Document internal use only.
17473
17474 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
17475
17476         * gbl-ctors.h: Add header guard.
17477
17478 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
17479
17480         * tree-flow.h (make_value_handle, set_value_handle, sort_vuses,
17481         sort_vuses_heap, vn_lookup_or_add, vn_lookup_or_add_with_stmt,
17482         vn_lookup_or_add_with_vuses, vn_add, vn_add_with_vuses,
17483         vn_lookup_with_stmt, vn_lookup, vn_lookup_with_vuses): Remove
17484         prototypes for removed functions.
17485         (expressions_equal_p): Move to ...
17486         * tree-ssa-sccvn.h: ... here and ...
17487         * matrix-reorg.c: ... adjust includes.
17488
17489 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
17490
17491         * ipa-struct-reorg.c (do_reorg_1): Fix whitespace in dump output.
17492
17493 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
17494
17495         * c-decl.c (finish_decl): Use bool for variable was_incomplete.
17496         (finish_function): Remove erroneous whitespace.
17497
17498 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
17499
17500         * tree-cfg.c (gimple_merge_blocks): Commentary typo fix.
17501         (verify_stmts): Print statement who's gimple_bb is set to a wrong BB
17502
17503 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
17504
17505         * errors.c (internal_error): Commentary typo fix.
17506         * gimple-iterator.c (gsi_insert_seq_on_edge): Ditto.
17507         * tree-ssa-pre.c: Ditto.
17508
17509 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
17510
17511         * basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of
17512         them is supposed to hold actual statements.
17513
17514 2009-06-06  Ian Lance Taylor  <iant@google.com>
17515
17516         * doc/extend.texi (Attribute Syntax): Document that C++ labels on
17517         empty statements can now have attributes.
17518
17519 2009-06-05  Shujing Zhao  <pearly.zhao@oracle.com>
17520
17521         * config/mips/mips.c: Use REG_P and CONST_INT_P where applicable.
17522         * config/mips/mips.md: Ditto.
17523
17524 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
17525
17526         * config/rs6000/eabi.asm (__eabi_convert): Don't define if
17527         _RELOCATABLE.
17528         (__eabi_uconvert): Likewise.
17529
17530 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
17531
17532         * config/rs6000/ppc-asm.h: Protect auto-host.h inclusion and
17533         CFI_* definitions with IN_GCC.
17534
17535 2009-06-05  David Edelsohn  <edelsohn@gnu.org>
17536
17537         * xcoffout.h (xcoffout_source_line): Update prototype.
17538
17539 2009-06-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
17540
17541         * builtins.c (do_mpc_ckconv, do_mpc_arg1): Use
17542         mpc_realref/mpc_imagref instead of MPC_RE/MPC_IM.
17543
17544 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
17545
17546         PR middle-end/40340
17547         * tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
17548         inlined_function_outer_scope_p blocks for artificial inlines
17549         even at -g0/-g1.
17550         * tree.c (tree_nonartificial_location): Rewrite using
17551         block_nonartificial_location.
17552
17553 2009-06-05  Revital Eres  <eres@il.ibm.com>
17554             Leehod Baruch  <leehod@il.ibm.com>
17555
17556         * expr.c (expand_assignment): Expand MISALIGNED_INDIRECT_REF.
17557         (expand_expr_real_1): Remove comment.
17558         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
17559         Vectorize misaligned access when the target supports it.
17560         (vect_supportable_dr_alignment): Check for unaligned access support.
17561         * tree-vect-stmts.c (vectorizable_store): Generate misaligned store
17562         and remove asset.
17563
17564 2009-06-05  Julian Brown  <julian@codesourcery.com>
17565
17566         * config/arm/ieee754-df.S (cmpdf2): Avoid writing below SP.
17567         * config/arm/ieee754-sf.S (cmpsf2): Likewise.
17568
17569 2009-06-05  Richard Guenther  <rguenther@suse.de>
17570
17571         PR bootstrap/40350
17572         * dwarf2out.c (dwarf2out_begin_function): Mark discriminator
17573         as possibly unused.
17574
17575 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
17576
17577         * config/s390/s390.c (global_not_special_regno_p): New static inline.
17578         (save_gprs): Don't tell unwinder when a global register is saved.
17579         (s390_emit_epilogue): Emit needed epilogue unwind info.
17580
17581 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
17582
17583         * dwarf2out.c (deferred_asm_name): New.
17584         (add_name_and_src_coords_attributes): Defer creation of
17585         DW_AT_MIPS_linkage_name attribute if DECL_ASSEMBLER_NAME was not
17586         computed yet.
17587         (move_linkage_attr): New.
17588         (dwarf2out_finish): Revisit deferrals and emit attributes at the
17589         right place.
17590
17591 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
17592
17593         * tree-nested.c (finalize_nesting_tree_1): Declare the
17594         frame_decl in the binding tree.
17595
17596 2009-06-04  Cary Coutant  <ccoutant@google.com>
17597
17598         * basic-block.h (struct basic_block_def): Add discriminator field.
17599         * dbxout.c (dbxout_source_line): Add new parameter.  Change all
17600         callers.
17601         * debug.c (do_nothing_debug_hooks): Add additional entry.
17602         (debug_nothing_int_charstar_int): New function.
17603         * debug.h (struct gcc_debug_hooks): Add parameter to source_line hook.
17604         (debug_nothing_int_charstar_int): New declaration.
17605         * dwarf2out.c (dwarf2out_source_line): Add new parameter.  Write
17606         discriminator value in .loc directive.
17607         * final.c (last_discriminator): New variable.
17608         (discriminator): New variable.
17609         (final_start_function): Initialize above variables, pass current
17610         discriminator to debug hook.
17611         (notice_source_line): Check for discriminator change.
17612         * gimple-pretty-print.c (dump_bb_header): Print discriminator value.
17613         * sdbout.c (sdbout_source_line): New parameter.
17614         * tree-cfg.c (struct locus_discrim_map): New structure type.
17615         (discriminator_per_locus): New hash table.
17616         (build_gimple_cfg): Allocate and free discriminator hash table.
17617         (make_edges): Call assign_discriminator.
17618         (locus_map_hash): New function.
17619         (locus_map_eq): New function.
17620         (next_discriminator_for_locus): New function.
17621         (same_line_p): New function.
17622         (assign_discriminator): New function.
17623         (make_cond_expr_edges): Call assign_discriminator.
17624         (make_gimple_switch_edges): Likewise.
17625         (first_non_label_stmt): New function.
17626         * vmsdbgout.c (vmsdbgout_source_line): Add new parameter.  Change
17627         all callers.
17628         * xcoffout.c (xcoffout_source_line): Add new parameter.
17629
17630         * configure.ac (gcc_cv_as_discriminator): New configury check for
17631         gas support for discriminator.
17632         * configure: Regenerate.
17633         * config.in: Regenerate.
17634
17635 2009-06-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
17636
17637         * config/arm/arm.c (thumb2_legitimate_index_p): Initialize
17638         val after checking for integers.
17639
17640 2009-06-04  Uros Bizjak  <ubizjak@gmail.com>
17641
17642         * config/i386/i386.h (X86_64_MS_REGPARM_MAX): Rename from
17643         X64_REGPARM_MAX.
17644         (REGPARM_MAX): Use X86_64_MS_REGPARM_MAX.
17645         (X86_64_MS_SSE_REGPARM_MAX): Rename from X64_SSE_REGPARM_MAX.
17646         (SSE_REGPARM_MAX): Use X86_64_MS_SSE_REGPARM_MAX.
17647         * config/i386/i386.c: Use X86_64_MS_REGPARM_MAX instead of
17648         X64_REGPARM_MAX.  Use X86_64_MS_SSE_REGPARM_MAX instead of
17649         X64_SSE_REGPARM_MAX.
17650         * config/i386/i386.md: Use X86_64_MS_SSE_REGPARM_MAX instead of
17651         X64_SSE_REGPARM_MAX.
17652
17653 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
17654
17655         * gcc.c (report_times_to_file): New.
17656         (execute): Implement it.
17657         (process_command): Support -time=.
17658         * doc/invoke.texi: Document it.
17659
17660 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
17661
17662         * tree-ssa-live.c (remove_unused_scope_block_p): Keep variables
17663         that have value exprs.
17664
17665 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
17666
17667         * dwarf2asm.c (dw2_force_const_mem): Defer creation of
17668         declarations for constants until...
17669         (dw2_output_indirect_constant_1): ... this point.
17670
17671 2009-06-04  Richard Earnshaw  <rearnsha@arm.com>
17672
17673         PR target/10242
17674         * arm.md (arm_addsi3): Don't try to split an add with an
17675         eliminable register until after reload has completed.
17676
17677 2009-06-03  Ian Lance Taylor  <iant@google.com>
17678
17679         * dummy-checksum.c (executable_checksum): Use EXPORTED_CONST.
17680         * genattrtab.c (write_length_unit_log): Likewise.
17681         * genchecksum.c (dosum): Likewise.
17682         * gengtype.c (write_rtx_next): Likewise.
17683         (finish_root_table, write_roots): Likewise.
17684         * gimple.c (gimple_ops_offset_): Likewise.
17685         * tree-nomudflap.c (gt_ggc_r_gt_tree_mudflap_h): Likewise.
17686         * config/arc/arc.c (arc_attribute_table): Likewise.
17687         * config/arm/arm.c (arm_attribute_table): Likewise.
17688         * config/avr/avr.c (avr_attribute_table): Likewise.
17689         * config/crx/crx.c (crx_attribute_table): Likewise.
17690         * config/m32r/m32r.c (m32r_attribute_table): Likewise.
17691         * config/m68hc11/m68hc11.c (m68hc11_attribute_table): Likewise.
17692         * config/mcore/mcore.c (mcore_attribute_table): Likewise.
17693         * config/rs6000/rs6000.c (rs6000_attribute_table): Likewise.
17694         * config/sh/sh.c (sh_attribute_table): Likewise.
17695         * config/sparc/sparc.c (sparc_attribute_table): Likewise.
17696         * config/spu/spu.c (spu_attribute_table): Likewise.
17697         * config/v850/v850.c (v850_attribute_table): Likewise.
17698
17699         * config/alpha/alpha.c (vms_attribute_table): Make static.
17700         * config/bfin/bfin.c (bfin_attribute_table): Likewise.
17701         * config/h8300/h8300.c (h8300_attribute_table): Likewise.
17702         * config/mips/mips.c (mips_attribute_table): Likewise.
17703
17704         * Makefile.in (dummy-checksum.o): Depend upon $(CONFIG_H) and
17705         $(SYSTEM_H).
17706         (cc1-checksum.o): Likewise.
17707
17708 2009-06-03  Steve Ellcey  <sje@cup.hp.com>
17709
17710         * config/ia64/vect.md (*movv2sf_internal): Handle big endian case.
17711
17712 2009-06-03  Jakub Jelinek  <jakub@redhat.com>
17713
17714         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Return generated
17715         insn if it is changing sp.  Use gen_add3_insn instead of
17716         conditionally gen_addsi3 and gen_adddi3.
17717         (offset_below_red_zone_p): New static inline function.
17718         (rs6000_emit_epilogue): Emit needed epilogue unwind info.
17719         Use gen_add3_insn instead of conditionally gen_addsi3 and gen_adddi3.
17720         * config/rs6000/ppc-asm.h: Include auto-host.h.
17721         (CFI_STARTPROC, CFI_ENDPROC, CFI_DEF_CFA_REGISTER, CFI_OFFSET,
17722         CFI_RESTORE): Define.
17723         * config/rs6000/crtresxgpr.asm: Add unwind info.
17724         * config/rs6000/crtresxfpr.asm: Likewise.
17725         * config/rs6000/crtresgpr.asm: Likewise.
17726         * config/rs6000/crtresfpr.asm: Likewise.
17727         * config/rs6000/crtsavgpr.asm: Likewise.
17728         * config/rs6000/crtsavfpr.asm: Likewise.
17729
17730         * dwarf2out.c (output_cfi_directive): Pass 1 instead of 0 to second
17731         argument of DWARF2_FRAME_REG_OUT macros.
17732
17733 2009-06-03  Julian Brown  <julian@codesourcery.com>
17734
17735         * config/arm/arm.c (arm_hard_regno_mode_ok): Permit values of four
17736         words or less (including TImode) in core registers.
17737
17738 2009-06-03  Richard Guenther  <rguenther@suse.de>
17739
17740         PR middle-end/40328
17741         * fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.
17742
17743 2009-06-03  Andrey Belevantsev  <abel@ispras.ru>
17744
17745         * statistics.c (statistics_counter_event): Do not record event
17746         in pass dump if its number == -1.
17747         (curr_statistics_hash): Add assert that we never get passes
17748         with static number == -1.
17749
17750 2009-06-03  Richard Guenther  <rguenther@suse.de>
17751             Andrey Belevantsev  <abel@ispras.ru>
17752
17753         * cfgexpand.c (discover_nonconstant_array_refs_r): Make only
17754         non-BLKmode arrays addressable.
17755
17756 2009-06-03  Maxim Kuvyrkov  <maxim@codesourcery.com>
17757
17758         * config/m68k/linux.h (HAVE_GAS_BALIGN_AND_P2ALIGN): Move to ...
17759         * config/m68k/m68k.h: ... here.
17760
17761 2009-06-03  Martin Jambor  <mjambor@suse.cz>
17762
17763         PR tree-optimization/40323
17764         * ipa-prop.c (get_ssa_def_if_simple_copy): Break if not single
17765         assignment.
17766
17767 2009-06-03  Richard Guenther  <rguenther@suse.de>
17768
17769         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
17770         consistently.
17771
17772 2009-06-03  Shujing Zhao  <pearly.zhao@oracle.com>
17773
17774         * config/sh/predicates.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
17775         JUMP_P, CALL_P, NONJUMP_INSN_P, NOTE_P, BARRIER_P and
17776         JUMP_TABLE_DATA_P where applicable.
17777         * config/sh/sh.c: Ditto.
17778         * config/sh/sh.h: Ditto.
17779         * config/sh/sh.md: Ditto.
17780         * config/sh/symbian.c: Ditto.
17781
17782 2009-06-03  Uros Bizjak  <ubizjak@gmail.com>
17783
17784         * config/i386/driver-i386.c (describe_cache): Optimize
17785         concatenation of strings.  Use snprintf instead of sprintf.
17786         (host_detect_local_cpu): Ditto.  Ignore -march and -mtune for native
17787         target when not compiling with GCC.
17788
17789 2009-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
17790
17791         * config/sh/sh.c: Revert last change.
17792         (sh_expand_epilogue): Emit a blockage insn before the frame
17793         pointer adjustment unconditionally.
17794
17795 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
17796
17797         * config/pa/pa-hpux.h (LINK_SPEC): Remove "%<fwhole-program".
17798         * config/pa/pa-hpux10.h (LINK_SPEC): Likewise.
17799         * config/pa/pa-hpux11.h (LINK_SPEC): Likewise.
17800         * gcc.c (set_collect_gcc_options): Don't add -fwhole-program
17801         to COLLECT_GCC_OPTIONS.
17802
17803 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
17804
17805         * collect2.c (target_system_root): New variable.
17806         (main): Handle --sysroot=.
17807         (ignore_library): Strip the sysroot from the library path.
17808
17809 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
17810
17811         * Makefile.in (COLLECT2_OBJS): Add collect2-aix.o.
17812         (collect2.o): Depend on collect2-aix.h.
17813         (collect2-aix.o): New rule.
17814         * collect2-aix.h: New file.
17815         * collect2-aix.c: Likewise.
17816         * collect2.c: Include collect2-aix.h.  Don't undefine
17817         OBJECT_FORMAT_COFF if CROSS_AIX_SUPPORT is defined.
17818         Guard native includes with #ifndef CROSS_DIRECTORY_STRUCTURE.
17819         Use TARGET_AIX_VERSION instead of _AIX51.
17820         * config/rs6000/aix43.h (TARGET_AIX_VERSION): Define.
17821         * config/rs6000/aix51.h (TARGET_AIX_VERSION): Likewise.
17822         * config/rs6000/aix52.h (TARGET_AIX_VERSION): Likewise.
17823         * config/rs6000/aix53.h (TARGET_AIX_VERSION): Likewise.
17824         * config/rs6000/aix61.h (TARGET_AIX_VERSION): Likewise.
17825
17826 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
17827
17828         * collect2.c (ignore_library): Avoid premature post-increment
17829         and null deference.
17830
17831 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
17832
17833         * Makefile.in (libgcc.mvars): Add TARGET_SYSTEM_ROOT.
17834         * config/rs6000/aix.h (LINK_SYSCALLS_SPEC): Add %R to the
17835         !CROSS_DIRECTORY_STRUCTURE alternative and use it for
17836         CROSS_DIRECTORY_STRUCTURE too.
17837         (LINK_LIBG_SPEC): Likewise.
17838         (LIB_SPEC): Add %R to sysroot paths.
17839         * config/rs6000/aix43.h (CPP_SPEC): Add %R to sysroot paths.
17840         (CPLUSPLUS_CPP_SPEC, LIB_SPEC): Likewise.
17841         * config/rs6000/aix51.h: As for aix43.h.
17842         * config/rs6000/aix52.h: Likewise.
17843         * config/rs6000/aix53.h: Likewise.
17844         * config/rs6000/aix61.h: Likewise.
17845         * config/rs6000/t-aix52 (SHLIB_LINK): Add $(TARGET_SYSTEM_ROOT)
17846         to the beginning of sysroot paths.
17847
17848 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
17849
17850         * print_rtl (print_rtx): Don't print modes in EXPR_LISTs and
17851         INSN_LISTs that are out of the REG_NOTE range.
17852
17853 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
17854
17855         * loop-unroll.c (struct iv_to_split): Add pointer to next.
17856         (struct var_to_expand): Likewise.
17857         (struct opt_info): Add head and tail for linked lists of the above.
17858         (analyze_insn_to_expand_var): Initialize next.
17859         (analyze_iv_to_split_insn): Likewise.
17860         (analyze_insns_in_loop): Create linked lists.
17861         (allocate_basic_variable): Simplify for use without hash table.
17862         (insert_var_expansion_initialization): Likewise, make it type-safer.
17863         (combine_var_copies_in_loop_exit): Likewise.
17864         (apply_opt_in_copies): Walk lists rather than hash tables.
17865         (release_var_copies): Simplified and inlined by hand into...
17866         (free_opt_info): ... this function.
17867
17868 2009-06-02  Richard Guenther  <rguenther@suse.de>
17869
17870         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
17871         for field decls.
17872
17873 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
17874
17875         * cfgexpand.c (gimple_expand_cfg): Discard the source location
17876         only for builtins that are not overridden.
17877
17878 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
17879
17880         * gengtype.c (adjust_field_rtx_def): Add NOTE_INSN_DELETED_LABEL's
17881         label string.
17882
17883 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
17884
17885         * df-core.c (df_ref_debug): Honor -fdump-noaddr.
17886
17887 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
17888
17889         * combine.c (move_deaths): Compare LUIDs within the same BB only.
17890
17891 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
17892
17893         * common.opt (fdump-unnumbered-links): New.
17894         * doc/invoke.texi (-fdump-unnumbered-links): Document it.
17895         * print-rtl.c (flag_dump_unnumbered_links): New.
17896         (print_rtx): Test it.
17897
17898 2009-06-02  Richard Earnshaw  <rearnsha@arm.com>
17899
17900         * arm.c (arm_get_frame_offsets): Prefer using r3 for padding a
17901         push/pop multiple to 8-byte alignment.
17902
17903 2009-06-01  Jakub Jelinek  <jakub@redhat.com>
17904
17905         * config/i386/i386.c (queued_cfa_restores): New static variable.
17906         (ix86_add_cfa_restore_note, ix86_add_queued_cfa_restore_notes): New
17907         functions.
17908         (pro_epilogue_adjust_stack): Call ix86_add_queued_cfa_restore_notes.
17909         (ix86_emit_restore_reg_using_pop): Add RED_OFFSET argument.
17910         Set RTX_FRAME_RELATED_P immediately after adding a REG_CFA_* note.
17911         Call ix86_add_cfa_restore_note instead of adding REG_CFA_OFFSET
17912         note unconditionally.
17913         (ix86_emit_restore_regs_using_mov): Likewise.
17914         (ix86_emit_restore_sse_regs_using_mov): Likewise.
17915         (ix86_emit_restore_regs_using_pop): Add RED_OFFSET argument, pass
17916         it through to ix86_emit_restore_reg_using_pop.
17917         (ix86_emit_leave): Add RED_OFFSET argument.  Call
17918         ix86_add_queued_cfa_restore_notes.  Call ix86_add_cfa_restore_note
17919         instead of adding REG_CFA_OFFSET note unconditionally.
17920         (ix86_expand_epilogue): Compute RED_OFFSET, pass it down to
17921         the above functions.  Call ix86_add_queued_cfa_restore_notes when
17922         needed.
17923
17924         * dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
17925         force output of the label even for dwarf2out_do_cfi_asm.
17926         (add_fde_cfi): If -g2 and above and cfi might change CFA,
17927         force creation of CFI label and chain DW_CFA_set_loc jumping to it
17928         for convert_cfa_to_fb_loc_list.  Adjust other dwarf2out_cfi_label
17929         caller.
17930         (dwarf2out_stack_adjust, dwarf2out_frame_debug,
17931         dwarf2out_begin_epilogue, dwarf2out_frame_debug_restore_state): Adjust
17932         dwarf2out_cfi_label callers.
17933         * tree.h (dwarf2out_cfi_label): Adjust prototype.
17934         * config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
17935         Adjust dwarf2out_cfi_label callers.
17936         * config/vax/vax.c (vax_output_function_prologue): Likewise.
17937
17938         * config/i386/i386.h (struct machine_cfa_state,
17939         struct machine_function): Guard with ifndef USED_FOR_TARGET
17940         instead of not IN_LIBGCC2 and not in IN_TARGET_LIBS.
17941
17942         PR other/40024
17943         * emutls.c (__emutls_get_address): Change arr->size to mean number
17944         of allocated arr->data entries instead of # of slots + 1.
17945
17946         PR middle-end/40316
17947         * recog.c (peep2_reinit_state): New function.
17948         (peephole2_init_state): Use it at the end of a basic block and also
17949         when seeing a RTX_FRAME_RELATED_P insn.
17950
17951 2009-06-01  Steve Ellcey  <sje@cup.hp.com>
17952
17953         * ia64.md (floatdirf2, fix_truncrfdi, floatunsdirf,
17954         fixuns_truncrfdi2): New.
17955         (fix_truncxfdi2_alts, fixuns_truncxfdi2_alts,
17956         *nmaddsf4_alts, *nmadddf4_alts, *nmadddf4_truncsf_alts,
17957         *mulxf3_alts, *mulxf3_truncsf_alts, *mulxf3_truncdf_alts,
17958         *maddxf4_alts, *maddxf4_alts_truncsf, *maddxf4_alts_truncdf,
17959         *nmaddxf4_alts, *nmaddxf4_truncsf_alts, *nmaddxf4_truncdf_alts,
17960         *recip_approx): Remove.
17961         (divsi3 modsi3, udivsi3, umodsi3, divsi3_internal, divdi3,
17962         moddi3, udivdi3, umoddi3, divdi3_internal_lat, divdi3_internal_thr,
17963         divsf3, sqrtsf2, divdf3, sqrtdf2, divxf3, sqrtxf2): Modify and
17964         move to div.md.
17965         * div.md (fix_truncrfdi2_alts, fixuns_truncrfdi2_alt,
17966         setf_exp_rf): New.
17967
17968 2009-06-01  Ian Lance Taylor  <iant@google.com>
17969
17970         * attribs.c (register_attribute): Use CONST_CAST.
17971         * collect2.c (main): Use CONST_CAST2.
17972         (scan_prog_file): Likewise.
17973         * gcc.c (process_command, main): Likewise.
17974         * toplev.c (toplev_main): Likewise.
17975
17976         * c-typeck.c (handle_warn_cast_qual): New static function,
17977         partially broken out of build_c_cast.
17978         (build_c_cast): Call handle_warn_cast_qual.
17979         * doc/invoke.texi (Warning Options): Document new effect of
17980         -Wcast-qual.
17981
17982 2009-06-01  Aldy Hernandez  <aldyh@redhat.com>
17983
17984         * diagnostic.c (diagnostic_build_prefix): Always print columns.
17985         (diagnostic_report_current_module): Print columns.
17986         * common.opt (flag_show_column): Enable by default.
17987
17988 2009-06-01  Luis Machado  <luisgpm@br.ibm.com>
17989
17990         * alias.c (find_base_term): Check for NULL term before returning.
17991
17992 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
17993
17994         Revert due to PR40320:
17995         2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
17996         * calls.c (emit_library_call_value_1): Don't force_operand for move
17997         and push insns.
17998
17999 2009-06-01  Olivier Hainque  <hainque@adacore.com>
18000             Eric Botcazou  <ebotcazou@adacore.com>
18001
18002         * tree.h (CONSTRUCTOR_BITFIELD_P): True if NODE, a FIELD_DECL, is
18003         to be processed as a bitfield for constructor output purposes.
18004         * output.h (initializer_constant_valid_for_bitfield_p): Declare
18005         new function.
18006         * varasm.c (oc_local_state): New type, output_constructor
18007         local state to support communication with helpers.
18008         (oc_outer_state): New type, output_constructor outer state of
18009         relevance in recursive calls.
18010         (output_constructor_array_range): New output_constructor helper,
18011         extracted code for an array range element.
18012         (output_constructor_regular_field): New output_constructor helper,
18013         extracted code for an element that is not a bitfield.
18014         (output_constructor_bitfield): New output_constructor helper,
18015         extracted code for a bitfield element.  Accept an OUTER state
18016         argument for recursive processing.  Recurse on record or array
18017         CONSTRUCTOR values, possibly past noop conversions.
18018         (initializer_constant_valid_for_bitfield_p): New predicate.  Whether
18019         VALUE is a valid constant-valued expression for use in a static
18020         bit-field initializer.
18021         (output_constructor): Rework to use helpers.  Accept and honor an
18022         OUTER state argument for recursive calls.  Return total size.  Be
18023         prepared for nested constructors initializing bitfields.
18024         (output_constant): Feed OUTER in calls to output_constructor.
18025
18026 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
18027
18028         * calls.c (emit_library_call_value_1): Don't force_operand for move
18029         and push insns.
18030
18031 2009-06-01  Nick Clifton  <nickc@redhat.com>
18032
18033         * doc/invoke.texi (IA-64 Options): Fix typo.
18034
18035 2009-06-01  Ira Rosen  <irar@il.ibm.com>
18036
18037         PR tree-optimization/39129
18038         * tree-vect-loop-manip.c (conservative_cost_threshold): Change the
18039         printed message.
18040         (vect_do_peeling_for_loop_bound): Use
18041         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
18042         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
18043         (vect_loop_versioning): Likewise.
18044         (vect_create_cond_for_alias_checks): Fix indentation.
18045         * tree-vectorizer.h (struct _loop_vec_info): Fix indentation of the
18046         macros.
18047         (LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT): Define.
18048         (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Likewise.
18049         * tree-vect-loop.c (vect_analyze_loop_form): Change "too many BBs" to
18050         "control flow in loop".
18051         (vect_estimate_min_profitable_iters): Use
18052         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
18053         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
18054         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
18055         (vect_create_data_ref_ptr): Don't mention array dimension in printing.
18056         * tree-vect-stmts.c (vectorizable_store): Replace the check that the
18057         statement belongs to a group of strided accesses with the exact code
18058         check.
18059         (vectorizable_load): Likewise.
18060         * tree-vect-slp.c (vect_analyze_slp_instance): Spell out "basic block".
18061         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
18062
18063 2009-06-01  Gerald Pfeifer  <gerald@pfeifer.com>
18064
18065         * config/freebsd-stdint.h: New file.
18066         * config.gcc (*-*-freebsd): Set use_gcc_stdint=wrap.
18067         Add freebsd-stdint.h to tm_file.
18068
18069 2009-06-01  Richard Earnshaw  <rearnsha@arm.com>
18070
18071         * arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split.
18072         (thumb2_extendhidi2): Likewise.
18073
18074 2009-05-31  Ian Lance Taylor  <iant@google.com>
18075
18076         * regstat.c (regstat_n_sets_and_refs): Remove duplicate definition.
18077
18078 2009-05-31  Ian Lance Taylor  <iant@google.com>
18079
18080         * Makefile.in (except.o): Depend upon gt-except.h, not gt-$(EXCEPT_H).
18081         (ipa-cp.o): Depend upon $(FIBHEAP_H) and $(PARAMS_H).
18082         (ipa-reference.o): Depend upon gt-ipa-reference.h.
18083
18084 2009-05-31  Jason Merrill  <jason@redhat.com>
18085
18086         * tree-pretty-print.c (print_call_name): Take the callee, not the
18087         call itself.  Make non-static.  Use dump_function_name for functions.
18088         (dump_generic_node): Adjust.
18089         * diagnostic.h: Declare print_call_name.
18090         * gimple-pretty-print.c (dump_gimple_call): Use it.
18091
18092 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
18093
18094         * config/sh/sh.md (ashldi3_std): New define_expand.
18095         (ashldi3): Use it.
18096
18097 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
18098
18099         PR target/40313
18100         * config/sh/sh.c: Include debug.h.
18101         (sh_expand_epilogue): Emit a blockage insn before the frame
18102         pointer adjustment also when dwarf2out_do_frame returns true.
18103
18104 2009-05-31  Richard Earnshaw  <rearnsha@arm.com>
18105
18106         * arm/thumb2.md (thumb2_extendsidi2): Add a split sub-pattern.
18107         (thumb2_extendqidi2): New pattern.
18108
18109 2009-05-31  Ira Rosen  <irar@il.ibm.com>
18110
18111         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't
18112         mark phis for renaming.
18113         * tree-vectorizer.c (vect_memsyms_to_rename): Remove.
18114         (vectorize_loops): Don't allocate and free vect_memsyms_to_rename.
18115         Call mark_sym_for_renaming.
18116         * tree-vectorizer.h (vect_memsyms_to_rename): Remove.
18117         * tree-vect-loop.c (vect_transform_loop): Remove
18118         vect_memsyms_to_rename initialization and a call to
18119         mark_set_for_renaming.
18120
18121 2009-05-31  Jakub Jelinek  <jakub@redhat.com>
18122
18123         PR middle-end/40304
18124         * config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns
18125         frame related even if !set_cfa && style < 0.
18126
18127 2009-05-30  Kai Tietz  <kai.tietz@onevision.com>
18128
18129         * config/i386/mingw-tls.c: New file.
18130         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Add mingw-tls.c file.
18131         * gthr-win32.h (MINGW32_SUPPORTS_MT_EH): Define it for targets
18132         defining _WIN32 but not __CYGWIN__.
18133
18134 2009-05-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
18135
18136         * configure.ac: Add MPC support.
18137
18138         * config.in, configure: Regenerate.
18139
18140 2009-05-29  Richard Henderson  <rth@redhat.com>
18141
18142         * cfgcleanup.c (try_crossjump_to_edge): Only skip past
18143         NOTE_INSN_BASIC_BLOCK.
18144         * cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
18145         Duplicate NOTE_INSN_EPILOGUE_BEG notes.
18146         * cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
18147         to be deleted.
18148         * dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
18149         add in_use field.
18150         (add_cfi): Disable check redefining cfa away from drap.
18151         (lookup_cfa_1): Add remember argument; handle remember/restore.
18152         (lookup_cfa): Pass remember argument.
18153         (cfa_remember): New.
18154         (compute_barrier_args_size_1): Remove sibcall check.
18155         (dwarf2out_frame_debug_def_cfa): New.
18156         (dwarf2out_frame_debug_adjust_cfa): New.
18157         (dwarf2out_frame_debug_cfa_offset): New.
18158         (dwarf2out_frame_debug_cfa_register): New.
18159         (dwarf2out_frame_debug_cfa_restore): New.
18160         (dwarf2out_frame_debug): Handle REG_CFA_* notes.
18161         (dwarf2out_begin_epilogue): New.
18162         (dwarf2out_frame_debug_restore_state): New.
18163         (dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
18164         DW_CFA_restore_state.
18165         (output_cfi_directive): Likewise.
18166         (convert_cfa_to_fb_loc_list): Likewise.
18167         (dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
18168         * dwarf2out.h: Update.
18169         * emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
18170         (copy_insn_1): Early out for null.
18171         * final.c (final_scan_insn): Call dwarf2out_begin_epilogue
18172         and dwarf2out_frame_debug_restore_state.
18173         * function.c (prologue, epilogue, sibcall_epilogue): Remove.
18174         (prologue_insn_hash, epilogue_insn_hash): New.
18175         (free_after_compilation): Adjust freeing accordingly.
18176         (record_insns): Create hash table if needed; push insns into
18177         hash instead of array.
18178         (maybe_copy_epilogue_insn): New.
18179         (contains): Search hash table instead of array.
18180         (sibcall_epilogue_contains): Remove.
18181         (thread_prologue_and_epilogue_insns): Split eh_return insns
18182         and mark them as epilogues.
18183         (reposition_prologue_and_epilogue_notes): Rewrite epilogue
18184         scanning in terms of basic blocks.
18185         * insn-notes.def (CFA_RESTORE_STATE): New.
18186         * jump.c (returnjump_p_1): Accept EH_RETURN.
18187         (eh_returnjump_p_1, eh_returnjump_p): New.
18188         * reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
18189         CFA_REGISTER, CFA_RESTORE): New.
18190         * rtl.def (EH_RETURN): New.
18191         * rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.
18192
18193         * config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
18194         (eh_return_internal): Use eh_return rtx; split w/ epilogue.
18195
18196         * config/i386/i386.c (gen_push): Update cfa state.
18197         (pro_epilogue_adjust_stack): Add set_cfa argument.  When true,
18198         add a CFA_ADJUST_CFA note.
18199         (ix86_dwarf_handle_frame_unspec): Remove.
18200         (ix86_expand_prologue): Update cfa state.
18201         (ix86_emit_restore_reg_using_pop): New.
18202         (ix86_emit_restore_regs_using_pop): New.
18203         (ix86_emit_leave): New.
18204         (ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
18205         (ix86_expand_epilogue): Add notes for unwinding the epilogue.
18206         * config/i386/i386.h (struct machine_cfa_state): New.
18207         (ix86_cfa_state): New.
18208         * config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
18209         (eh_return_internal): Merge from eh_return_<mode>,
18210         use eh_return rtx, split w/ epilogue.
18211
18212 2009-05-29  Ian Lance Taylor  <iant@google.com>
18213
18214         * builtins.c (validate_gimple_arglist): Don't use va_arg with
18215         enum type.
18216         * calls.c (emit_library_call_value_1): Likewise.
18217
18218         * c-typeck.c (c_build_va_arg): New function.
18219         * c-tree.h (c_build_va_arg): Declare.
18220         * c-parser.c (c_parser_postfix_expression): Call c_build_va_arg
18221         instead of build_va_arg.
18222
18223 2009-05-29  Eric Botcazou  <ebotcazou@adacore.com>
18224
18225         * tree-ssa-loop-ivopts.c (strip_offset_1) <MULT_EXPR>: New case.
18226         (force_expr_to_var_cost) <NEGATE_EXPR>: Likewise.
18227         (ptr_difference_cost): Use affine combinations to compute it.
18228         (difference_cost): Likewise.
18229         (get_computation_cost_at): Compute more accurate cost for addresses
18230         if the ratio is a multiplier allowed in addresses.
18231         For non-addresses, consider that an additional offset or symbol is
18232         added only once.
18233
18234 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
18235
18236         * config/i386/i386.c (ix86_decompose_address): Avoid useless
18237         0 displacement.  Add 0 displacement if base is %[er]bp or %r13.
18238
18239         * config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for
18240         TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default.
18241         (prefix_rex): For UNIT_MMX don't imply the prefix by default
18242         if MODE_DI.
18243         (prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and
18244         to 1 for TYPE_SSE{IADD1,CVT1}.
18245         (prefix_vex_imm8): Removed.
18246         (length_vex): Only pass 1 as second argument to
18247         ix86_attr_length_vex_default if prefix_extra is 0.
18248         (modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT.
18249         (length): For prefix vex computation use length_immediate
18250         attribute instead of prefix_vex_imm8.
18251         (cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64,
18252         addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0,
18253         *andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1,
18254         *xorqi_cc_ext_1_rex64): Override modrm attribute to 1.
18255         (extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2,
18256         *extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit
18257         a space in between the operands.
18258         (*anddi_1_rex64, *andsi_1): Likewise.  Override prefix_rex to 1
18259         if one operand is 0xff and the other one si, di, bp or sp.
18260         (*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the
18261         other one si, di, bp or sp.
18262         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute.
18263         (*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add
18264         type and mode attributes.
18265         (*bsr, *bsr_rex64, *bsrhi): Add type attribute.
18266         (*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear
18267         prefix_rep attribute and set prefix_data16 attribute iff MODE_DF.
18268         (*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set
18269         prefix_data16 attribute iff MODE_DF.
18270         (*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute.
18271         (fix_trunc<mode>di_sse): Set prefix_rex attribute.
18272         (*adddi_4_rex64, *addsi_4): Use const128_operand instead of
18273         constm128_operand in length_immediate computation.
18274         (*addhi_4): Likewise.  Fix mode attribute to MODE_HI.
18275         (anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq.
18276         (*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set
18277         length_immediate attribute to 1.
18278         (x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute.
18279         (*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes
18280         for certain alternatives.
18281         (*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override
18282         prefix_data16 attribute if MODE_V1DF.
18283         (*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set
18284         length_immediate to 1.
18285         (set_got_rex64, set_rip_rex64): Remove length attribute, set
18286         length_address to 4, set mode attribute to MODE_DI.
18287         (set_got_offset_rex64): Likewise.  Set length_immediate to 0.
18288         (fxam<mode>2_i387): Set length attribute to 4.
18289         (*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow,
18290         *prefetch_3dnow_rex): Override length_address attribute.
18291         (sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex
18292         attributes.
18293         * config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate.
18294         (constm128_operand): Removed.
18295         * config/i386/i386.c (memory_address_length): For
18296         disp && !index && !base in 64-bit mode account for SIB byte if
18297         print_operand_address can't optimize disp32 into disp32(%rip)
18298         and UNSPEC doesn't imply (%rip) addressing.  Add 1 to length
18299         for fs: or gs: segment.
18300         (ix86_attr_length_immediate_default): When checking if shortform
18301         is possible, truncate immediate to the length of the non-shortened
18302         immediate.
18303         (ix86_attr_length_address_default): Ignore MEM_P operands
18304         with X constraint.
18305         (ix86_attr_length_vex_default): Only check for DImode on
18306         GENERAL_REG_P operands.
18307         * config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear
18308         prefix_rep attribute, set prefix_data16 attribute iff MODE_DF.
18309         (sse_cvttps2pi): Clear prefix_rep attribute.
18310         (sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16
18311         attribute.
18312         (*sse2_cvttpd2dq): Don't clear prefix_rep attribute.
18313         (*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3,
18314         *avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1
18315         iff operand 2 is const_int_operand.
18316         (*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>,
18317         sse2_shufpd_<mode>): Set length_immediate attribute to 1.
18318         (sse2_pshufd_1): Likewise.  Set prefix attribute to maybe_vex
18319         instead of vex.
18320         (sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear
18321         prefix_data16.
18322         (sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set
18323         prefix_data16 attribute for movlpd and movhpd instructions.
18324         (sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise.  Override
18325         length_immediate for shufpd instruction.
18326         (sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute.
18327         (avx_cmpp<avxmodesuffixf2c><mode>3,
18328         avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3,
18329         <sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3,
18330         avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>,
18331         *vec_dupv4sf_avx, *vec_dupv4sf): Set length_immediate attribute to 1.
18332         (*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4.
18333         (sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1.
18334         (sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override
18335         prefix_data16 attribute for the first alternative to 1.
18336         (*avx_loadlps): Override length_immediate for the first alternative.
18337         (*vec_concatv2sf_avx): Override length_immediate and prefix_extra
18338         attributes for second alternative.
18339         (*vec_concatv2sf_sse4_1): Override length_immediate and
18340         prefix_data16 attributes for second alternative.
18341         (*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>,
18342         vec_extract_hi_<mode>, vec_extract_lo_v16hi,
18343         vec_extract_hi_v16hi, vec_extract_lo_v32qi,
18344         vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1.
18345         (*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set
18346         prefix_data16 and length_immediate to 1.
18347         (*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra
18348         to 1.
18349         (*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set
18350         prefix_extra attribute for variants that don't have 0f prefix alone.
18351         (*avx_pinsr<ssevecsize>): Likewise.  Set length_immediate to 1.
18352         (*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb,
18353         *sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory,
18354         *sse4_1_pextrd): Set length_immediate to 1.
18355         (*sse4_1_pinsrd): Likewise.  Set prefix_extra to 1.
18356         (*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate
18357         to 1.
18358         (*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64,
18359         *vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override
18360         length_immediate to 1 for second alternative.
18361         (*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override
18362         prefix_extra and length_immediate attributes for the first
18363         alternative.
18364         (vec_concatv2si_sse4_1): Override length_immediate to 1 for the
18365         first alternative.
18366         (*vec_concatv2di_rex64_sse4_1): Likewise.  Override prefix_rex
18367         to 1 for the first and third alternative.
18368         (*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second
18369         alternative.
18370         (*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex
18371         attribute.
18372         (*sse_sfence, sse2_mfence, sse2_lfence): Override length_address
18373         attribute to 0.
18374         (*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3,
18375         *avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi,
18376         *avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3,
18377         *avx_psign<mode>3): Set prefix_extra attribute to 1.
18378         (ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3,
18379         ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3,
18380         ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3,
18381         ssse3_psign<mode>3): Override prefix_rex attribute.
18382         (*avx_palignrti): Override prefix_extra and length_immediate to 1.
18383         (ssse3_palignrti): Override length_immediate to 1.
18384         (ssse3_palignrdi): Override length_immediate to 1, override
18385         prefix_rex attribute.
18386         (abs<mode>2): Override prefix_rep to 0, override prefix_rex attribute.
18387         (sse4a_extrqi): Override length_immediate to 2.
18388         (sse4a_insertqi): Likewise.  Override prefix_data16 to 0.
18389         (sse4a_insertq): Override prefix_data16 to 0.
18390         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>,
18391         avx_blendvp<avxmodesuffixf2c><avxmodesuffix>,
18392         avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw,
18393         *avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256,
18394         avx_rounds<avxmodesuffixf2c>256): Override prefix_extra
18395         and length_immediate to 1.
18396         (sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>,
18397         sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm,
18398         sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri,
18399         sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16
18400         and length_immediate to 1.
18401         (sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1.
18402         (sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1.
18403         (*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>,
18404         avx_ptest256): Override prefix_extra to 1.
18405         (sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>):
18406         Override prefix_data16 and length_immediate to 1.
18407         (sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi,
18408         sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si,
18409         sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di,
18410         sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override
18411         prefix_data16 to 0 and prefix_extra to 2.
18412         (sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1.
18413         (sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra
18414         attribute.
18415         (*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3,
18416         sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3):
18417         Override prefix_data16 and prefix_rep to 0, length_immediate to 1
18418         and prefix_extra to 2.
18419         (sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override
18420         prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2.
18421         (*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast,
18422         avx_vpermilvar<mode>3,
18423         avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>,
18424         avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256,
18425         avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>,
18426         avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>):
18427         Override prefix_extra to 1.
18428         (aeskeygenassist, pclmulqdq): Override length_immediate to 1.
18429         (*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3,
18430         vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi,
18431         vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override
18432         prefix_extra and length_immediate to 1.
18433         (*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override
18434         modrm to 0.
18435         (*vec_concat<mode>_avx): Override prefix_extra and length_immediate
18436         to 1 for the first alternative.
18437         * config/i386/mmx.md (*mov<mode>_internal_rex64): Override
18438         prefix_rep, prefix_data16 and/or prefix_rex attributes in certain
18439         cases.
18440         (*mov<mode>_internal_avx, *movv2sf_internal_rex64,
18441         *movv2sf_internal_avx, *movv2sf_internal): Override
18442         prefix_rep attribute for certain alternatives.
18443         (*mov<mode>_internal): Override prefix_rep or prefix_data16
18444         attributes for certain alternatives.
18445         (*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex
18446         attributes for certain alternatives.
18447         (*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3,
18448         *mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2,
18449         mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3,
18450         mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3,
18451         *mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw,
18452         mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3,
18453         mmx_pswapdv2si2): Set prefix_extra attribute to 1.
18454         (mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set
18455         length_immediate to 1 if operand 2 is const_int_operand.
18456         (*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi,
18457         *vec_extractv2si_1): Set length_immediate attribute to 1.
18458         (*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if
18459         using old 3DNOW insn rather than SSE/3DNOW_A.
18460         (mmx_emms, mmx_femms): Clear modrm attribute.
18461
18462 2009-05-29  Martin Jambor  <mjambor@suse.cz>
18463
18464         * tree-sra.c:  New implementation of SRA.
18465
18466         * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): Removed.
18467         (PARAM_SRA_MAX_STRUCTURE_COUNT): Removed.
18468         (PARAM_SRA_FIELD_STRUCTURE_RATIO): Removed.
18469         * params.h (SRA_MAX_STRUCTURE_SIZE): Removed.
18470         (SRA_MAX_STRUCTURE_COUNT): Removed.
18471         (SRA_FIELD_STRUCTURE_RATIO): Removed.
18472         * doc/invoke.texi (sra-max-structure-size): Removed.
18473         (sra-field-structure-ratio): Removed.
18474
18475 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
18476
18477         PR middle-end/40291
18478         * builtins.c (expand_builtin_memcmp): Convert len to sizetype
18479         before expansion.
18480
18481 2009-05-29  Andrey Belevantsev  <abel@ispras.ru>
18482
18483         PR rtl-optimization/40101
18484         * sel-sched-ir.c (get_seqno_by_preds): Allow returning negative
18485         seqno.  Adjust comment.
18486         * sel-sched.c (find_seqno_for_bookkeeping): Assert that when
18487         inserting bookkeeping before a jump, the jump is not scheduled.
18488         When no positive seqno found, provide a value.  Add comment.
18489
18490 2009-05-29  Richard Guenther  <rguenther@suse.de>
18491
18492         * tree-ssa-alias.c (nonaliasing_component_refs_p): Remove
18493         short-cutting on the first component.
18494
18495 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
18496
18497         PR middle-end/39958
18498         * omp-low.c (scan_omp_1_op): Call remap_type on TREE_TYPE
18499         for trees other than decls/types.
18500
18501 2009-05-29  Richard Guenther  <rguenther@suse.de>
18502
18503         * tree-ssa-operands.c (get_expr_operands): Do not handle
18504         INDIRECT_REFs in the handled-component case.  Remove
18505         unused get_ref_base_and_extent case.
18506         * tree-dfa.c (get_ref_base_and_extent): Avoid calling
18507         tree_low_cst and host_integerp where possible.
18508         * tree-ssa-structalias.c (equiv_class_label_eq): Check hash
18509         codes for equivalence.
18510         * dce.c (find_call_stack_args): Avoid redundant bitmap queries.
18511
18512 2009-05-29  David Billinghurst <billingd@gcc.gnu.org>
18513
18514         * config.gcc: Add i386/t-fprules-softfp and soft-fp/t-softfp
18515         to tmake_file for i[34567]86-*-cygwin*.
18516
18517 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
18518
18519         PR target/40017
18520         * config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
18521         (altivec_categorize_keyword, init_vector_keywords,
18522         rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
18523         similar to bool.
18524
18525 2009-05-29  Kai Tietz  <kai.tietz@onevision.com>
18526
18527         * tree.c (handle_dll_attribute): Check if node is
18528         of kind FUNCTION_DECL for DECL_DECLARED_INLINE_P check.
18529
18530 2009-05-29  Richard Earnshaw  <rearnsha@arm.com>
18531
18532         * config/arm/thumb2.md (thumb2_zero_extendsidi2): Add a split
18533         component.
18534         (thumb2_zero_extendqidi2): Likewise.
18535
18536 2009-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>
18537
18538         * config/sh/sh.c (sh_expand_t_scc): Use gen_xorsi3_movrt
18539         instead of gen_movrt.
18540         * config/sh/sh.md (movrt): Remove.
18541
18542 2009-05-28  Steve Ellcey  <sje@cup.hp.com>
18543
18544         * doc/invoke.texi (IA-64 Options):
18545         Add -msdata, -mfused-madd, -mno-inline-float-divide,
18546         -mno-inline-int-divide, -mno-inline-sqrt, -msched-spec-ldc,
18547         -msched-spec-control-ldc, -msched-prefer-non-data-spec-insns,
18548         -msched-prefer-non-control-spec-insns,
18549         -msched-stop-bits-after-every-cycle,
18550         -msched-count-spec-in-critical-path,
18551         -msel-sched-dont-check-control-spec, -msched-fp-mem-deps-zero-cost
18552         -msched-max-memory-insns-hard-limit, -msched-max-memory-insns.
18553         Remove -mt, -pthread, -msched-ldc, -mno-sched-control-ldc,
18554         and -msched-spec-verbose.
18555
18556 2009-05-28  Joseph Myers  <joseph@codesourcery.com>
18557
18558         * config/arm/lib1funcs.asm (__clear_cache): Define if L_clear_cache.
18559         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define to give an
18560         error if used.
18561         * config/arm/t-linux-eabi (LIB1ASMFUNCS): Add _clear_cache.
18562
18563 2009-05-28  Richard Guenther  <rguenther@suse.de>
18564
18565         * tree-ssa-alias.c (ao_ref_init): New function.
18566         (ao_ref_base): Likewise.
18567         (ao_ref_base_alias_set): Likewise.
18568         (ao_ref_alias_set): Likewise.
18569         (refs_may_alias_p_1): Change signature.
18570         (refs_may_alias_p): Adjust.
18571         (refs_anti_dependent_p): Likewise.
18572         (refs_output_dependent_p): Likewise.
18573         (call_may_clobber_ref_p_1): Change signature.
18574         (call_may_clobber_ref_p): Adjust.
18575         (stmt_may_clobber_ref_p_1): New function split out from ...
18576         (stmt_may_clobber_ref_p): ... here.
18577         (maybe_skip_until): Adjust signature.
18578         (get_continuation_for_phi): Likewise.
18579         (walk_non_aliased_vuses): Likewise.
18580         * tree-ssa-alias.h (struct ao_ref_s): New structure type.
18581         (ao_ref_init): Declare.
18582         (ao_ref_base): Likewise.
18583         (ao_ref_alias_set): Likewise.
18584         (stmt_may_clobber_ref_p_1): Likewise.
18585         (walk_non_aliased_vuses): Adjust.
18586         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): New function.
18587         (get_ref_from_reference_ops): remove.
18588         (vn_reference_lookup_2): Adjust signature.
18589         (vn_reference_lookup_3): Do not re-build trees.  Handle unions.
18590         (vn_reference_lookup_pieces): Adjust signature, do not re-build trees.
18591         (vn_reference_lookup): Adjust.
18592         (vn_reference_insert): Likewise.
18593         (vn_reference_insert_pieces): Adjust signature.
18594         (visit_reference_op_call): Adjust.
18595         * tree-ssa-pre.c (get_expr_type): Simplify.
18596         (phi_translate_1): Adjust.
18597         (compute_avail): Likewise.
18598         (translate_vuse_through_block): Do not re-build trees.
18599         (value_dies_in_block_x): Likewise.
18600         * tree-ssa-sccvn.h (struct vn_reference_s): Add type and alias-set
18601         fields.
18602         (vn_reference_lookup_pieces): Adjust declaration.
18603         (vn_reference_insert_pieces): Likewise.
18604
18605 2009-05-28  Benjamin Kosnik  <bkoz@redhat.com>
18606
18607         * tree-ssa-copy.c (replace_exp_1): Move op for warning-free use
18608         with checking disabled.
18609
18610 2009-05-28  Dave Korn  <dave.korn.cygwin@gmail.com>
18611
18612         PR target/37216
18613
18614         * configure.ac (HAVE_GAS_ALIGNED_COMM):  Add autoconf test and
18615         macro definition for support of three-operand format aligned
18616         .comm directive in assembler on cygwin/pe/mingw target OS.
18617         * configure:  Regenerate.
18618         * config.h:  Regenerate.
18619
18620         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common):  Use
18621         aligned form of .comm directive if -mpe-aligned-commons is in effect.
18622         * config/i386/cygming.opt (-mpe-aligned-commons):  Add new option.
18623
18624         * doc/invoke.texi (-mpe-aligned-commons):  Document new target option.
18625         * doc/tm.texi (ASM_OUTPUT_COMMON):  Document zero size commons.
18626
18627 2009-05-28  Ira Rosen  <irar@il.ibm.com>
18628
18629         PR tree-optimization/40254
18630         * tree-data-ref.c (dr_analyze_innermost): Take POFFSET into account
18631         in analysis of basic blocks.
18632
18633 2009-05-28  Adam Nemet  <anemet@caviumnetworks.com>
18634
18635         PR middle-end/33699
18636         * target.h (struct gcc_target): Fix indentation.  Add const_anchor.
18637         * target-def.h (TARGET_CONST_ANCHOR): New macro.
18638         (TARGET_INITIALIZER): Use it.
18639         * cse.c (CHEAPER): Move it up to the other macros.
18640         (insert): Rename this ...
18641         (insert_with_costs): ... to this.  Add cost parameters.  Update
18642         function comment.
18643         (insert): New function.  Call insert_with_costs.
18644         (compute_const_anchors, insert_const_anchor, insert_const_anchors,
18645         find_reg_offset_for_const, try_const_anchors): New functions.
18646         (cse_insn): Call try_const_anchors.  Adjust cost of src_related
18647         when using a const-anchor.  Call insert_const_anchors.
18648         * config/mips/mips.c (mips_set_mips16_mode): Set targetm.const_anchor.
18649         * doc/tm.texi (Misc): Document TARGET_CONST_ANCHOR.
18650
18651 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
18652
18653         * tree-inline.c (remap_decls): Enable nonlocalized variables
18654         when not optimizing.
18655
18656 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
18657
18658         * tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
18659         Simplify other tests involving optimize.
18660
18661 2009-05-27  Tom Tromey  <tromey@redhat.com>
18662
18663         * unwind-dw2.c (_Unwind_DebugHook): New function.
18664         (uw_install_context): Call _Unwind_DebugHook.
18665
18666 2009-05-27  Tom Tromey  <tromey@redhat.com>
18667
18668         * system.h (CONST_CAST2): Use C++ const_cast when compiled as C++
18669
18670 2009-05-27  Ian Lance Taylor  <iant@google.com>
18671
18672         * Makefile.in (LINKER, LINKER_FLAGS): Define.
18673         (LINKER_FOR_BUILD, BUILD_LINKERFLAGS): Define.
18674         (ALL_LINKERFLAGS): Define.
18675         (xgcc$(exeext)): Change $(COMPILER) to $(LINKER).
18676         (cpp$(exeext), cc1-dummy$(exeext), cc1$(exeext)): Likewise.
18677         (collect2$(exeext), mips-tfile, mips-tdump): Likewise.
18678         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
18679         (build/gen%$(build_exeext)): Change $(COMPILER_FOR_BUILD) to
18680         $(LINKER_FOR_BUILD).
18681         (build/gcov-iov$(build_exeext)): Likewise.
18682
18683 2009-05-27  Julian Brown  <julian@codesourcery.com>
18684
18685         * gcse.c (target.h): Include.
18686         (can_assign_to_reg_without_clobbers_p): Check that the target allows
18687         copy of argument to a pseudo register.
18688
18689 2009-05-27  Diego Novillo  <dnovillo@google.com>
18690
18691         * tree-ssa-live.c (dump_scope_block): Document arguments.
18692         (dump_scope_blocks): Document.
18693         (debug_scope_blocks): New.
18694         * tree-flow.h (debug_scope_blocks): Declare.
18695
18696 2009-05-21  Denis Chertykov  <denisc@overta.ru>
18697
18698         * doc/contrib.texi (Contributors): Add myself to the list.
18699
18700 2009-05-27  Olivier Hainque  <hainque@adacore.com>
18701
18702         * expr.c (target_align): New function.  Alignment the TARGET of an
18703         assignment may be assume to have.
18704         (highest_pow2_factor_for_target): Use it instead of relying on
18705         immediate tree attributes of TARGET, not necessarily honored when
18706         intermediate bitfields are involved.
18707
18708 2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>
18709
18710         PR target/40266
18711         * config/i386/driver-i386.c (host_detect_local_cpu): Support
18712         AVX, SSE4, AES, PCLMUL and POPCNT.
18713
18714 2009-05-27  Diego Novillo  <dnovillo@google.com>
18715
18716         * tree-pretty-print.c (dump_location): New.
18717         (dump_generic_node): Call it.
18718         Factor code to handle BLOCK nodes ...
18719         (dump_block_node): ... here.
18720
18721 2009-05-27  Rafael Avila de Espindola  <espindola@google.com>
18722
18723         * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h
18724         with it.
18725         * doc/plugins.texi: Document that gcc-plugin.h must be the first to be
18726         included.
18727         * gcc-plugin.h: Include config.h and system.h.
18728         (IN_GCC): Define if not defined.
18729
18730 2009-05-27  Hans-Peter Nilsson  <hp@axis.com>
18731
18732         PR middle-end/40249
18733         * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
18734         with -fno-inline.
18735
18736 2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>
18737
18738         * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
18739         applicable.
18740         * config/m32r/m32r.h: Ditto.
18741         * config/m32r/m32r.md: Ditto.
18742         * config/m32r/predicates.md: Ditto.
18743
18744 2009-05-27  Alexandre Oliva  <aoliva@redhat.com>
18745
18746         * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.
18747
18748 2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>
18749
18750         * doc/plugins.texi
18751         (Loading plugins): typo.
18752         (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
18753         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
18754         (Interacting with the GCC Garbage Collector): Added new section.
18755         (Giving information about a plugin): Added new section for
18756         PLUGIN_INFO.
18757         * ggc.h (ggc_register_root_tab): Added declaration.
18758         * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
18759         (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
18760         (register_callback): Improved comment in declaration.
18761         * ggc-common.c (const_ggc_root_tab_t) Added new typedef for vectors.
18762         (extra_root_vec) Added static variable for dynamic roots registration.
18763         (ggc_register_root_tab) Added new routine.
18764         (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
18765         PLUGIN_GGC_MARKING event.
18766         * ggc-zone.c: Include plugin.h.
18767         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
18768         * ggc-page.c: Include plugin.h.
18769         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
18770         * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
18771         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
18772         (register_callback): check lack of callbacks for
18773         pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
18774         PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
18775         (invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
18776         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
18777         * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
18778         dependency on plugin.h.
18779         (plugin.o): Added dependency on ggc.h...
18780
18781 2009-05-26  Richard Guenther  <rguenther@suse.de>
18782
18783         PR middle-end/40248
18784         Revert
18785         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
18786         with mismatched comparison modes.
18787
18788         * expr.c (expand_expr_real_1): Expand the operand of a
18789         VIEW_CONVERT_EXPR in its natural mode.
18790
18791 2009-05-26  Ian Lance Taylor  <iant@google.com>
18792
18793         * Makefile.in (COMPILER, COMPILER_FLAGS): Define.
18794         (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
18795         (ALL_COMPILERFLAGS): Define.
18796         (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
18797         (cc1-dummy$(exeext), cc1$(exeext)): Likewise.
18798         (collect2$(exeext), collect2.o): Likewise.
18799         (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
18800         (gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
18801         ($(out_object_file), mips-tfile, mips-tdump): Likewise.
18802         (libbackend.o, intl.o, cppdefault.o): Likewise.
18803         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
18804         (build/%.o): Use $(COMPILER_FOR_BUILD).
18805         (build/gen%$(build_exeext)): Likewise.
18806         (build/gcov-iov$(build_exeext)): LIkewise.
18807         * config/t-darwin (darwin.o): Use $(COMPILER).
18808         (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
18809         * config/t-sol2 (sol2-c.o): Likewise.
18810         (sol2.o): Likewise.
18811         * config/t-vxworks (vxworks.o): Likewise.
18812         * config/x-darwin (host-darwin.o): Likewise.
18813         * config/x-hpux (host-hpux.o): Likewise.
18814         * config/x-linux (host-linux.o): Likewise.
18815         * config/x-solaris (host-solaris.o): Likewise.
18816         * config/alpha/x-alpha (driver-alpha.o): Likewise.
18817         * config/arm/t-arm (arm-c.o): Likewise.
18818         * config/arm/t-pe (pe.o): Likewise.
18819         * config/arm/t-wince-pe (pe.o): Likewise.
18820         * config/i386/t-cygming (winnt.o): Likewise.
18821         (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
18822         * config/i386/t-cygwin (cygwin1.o): Likewise.
18823         (cygwin2.o): Likewise.
18824         * config/i386/t-i386 (i386-c.o): Likewise.
18825         * config/i386/t-interix (winnt.o): Likewise.
18826         * config/i386/t-netware (netware.o): Likewise.
18827         * config/i386/t-nwld (nwld.o): Likewise.
18828         * config/i386/x-darwin (host-i386-darwin.o): Likewise.
18829         * config/i386/x-i386 (driver-i386.o): Likewise.
18830         * config/i386/x-cygwin (host-cygwin.o): Likewise.
18831         * config/i386/x-mingw32 (host-mingw32.o): Likewise.
18832         * config/ia64/t-ia64 (ia64-c.o): Likewise.
18833         * config/m32c/t-m32c (m32c-pragma.o): Likewise.
18834         * config/mips/x-native (driver-native.o): Likewise.
18835         * config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
18836         * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
18837         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
18838         * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
18839         * config/score/t-score-elf (score7.o): Likewise.
18840         (score3.o): Likewise.
18841         * config/sh/t-sh (sh-c.o): Likewise.
18842         * config/sh/t-symbian (sh-c.o): Likewise.
18843         (symbian.o): Likewise.
18844         * config/spu/t-spu-elf (spu-c.o): Likewise.
18845         * config/v850/t-v850 (v850-c.o): Likewise.
18846         * config/v850/t-v850e (v850-c.o): Likewise.
18847
18848 2009-05-26  Richard Guenther  <rguenther@suse.de>
18849
18850         PR tree-optimization/40122
18851         * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
18852         VECTOR_CSTs if possible.
18853         (fold_gimple_assign): Likewise.
18854
18855 2009-05-26  Richard Guenther  <rguenther@suse.de>
18856
18857         PR middle-end/40252
18858         * fold-const.c (fold_binary): Use the correct types for building
18859         rotates.
18860
18861 2009-05-26  Richard Guenther  <rguenther@suse.de>
18862
18863         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
18864         redundant calls to merge_alias_info.
18865         (bump_vector_ptr): Likewise.
18866         * tree-ssa-copy.c (merge_alias_info): Remove.
18867         (replace_exp_1): Remove call to merge_alias_info.
18868         (propagate_tree_value): Likewise.
18869         (fini_copy_prop): Propagate points-to info.
18870         * tree-flow.h (merge_alias_info): Remove.
18871
18872 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
18873
18874         * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.
18875
18876 2009-05-25  Jan Hubicka  <jh@suse.cz>
18877
18878         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
18879         * cgraph.h (struct inline_summary): New filed self_wize,
18880         size_inlining_benefit, self_time and time_inlining_benefit.
18881         (struct cgraph_global_info): Replace insns by time ans size fields.
18882         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
18883         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
18884         (ipcp_update_callgraph): Do not touch function bodies.
18885         * ipa-inline.c: Include except.h
18886         (MAX_TIME): New constant.
18887         (overall_insns): Remove.
18888         (leaf_node_p): New.
18889         (overall_size, max_benefit): New static variables.
18890         (cgraph_estimate_time_after_inlining): New function.
18891         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
18892         (cgraph_clone_inlined_nodes): Update size.
18893         (cgraph_mark_inline_edge): Update size.
18894         (cgraph_estimate_growth): Use size info.
18895         (cgraph_check_inline_limits): Check size.
18896         (cgraph_default_inline_p): Likewise.
18897         (cgraph_edge_badness): Compute badness based on benefit and size cost.
18898         (cgraph_decide_recursive_inlining): Check size.
18899         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
18900         and times.
18901         (cgraph_decide_inlining): Likewise.
18902         (cgraph_decide_inlining_incrementally): Likewise; honor
18903         PARAM_EARLY_INLINING_INSNS.
18904         (likely_eliminated_by_inlining_p): New predicate.
18905         (estimate_function_body_sizes): New function.
18906         (compute_inline_parameters): Use it.
18907         * except.c (must_not_throw_labels): New function.
18908         * except.h (must_not_throw_labels): Declare.
18909         * tree-inline.c (init_inline_once): Kill inlining_weigths
18910         * tree-ssa-structalias.c: Avoid uninitialized warning.
18911         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
18912         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
18913         (PARAM_INLINE_CALL_COST): Remove.
18914         (PARAM_EARLY_INLINING_INSNS): New.
18915
18916 2009-05-25  Richard Guenther  <rguenther@suse.de>
18917
18918         PR tree-optimization/36327
18919         * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
18920         callback for reference translation or lookup at the point of may-defs.
18921         * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
18922         * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
18923         for union COMPONENT_REFs.
18924         (vn_reference_lookup_3): New callback.  Lookup from memset
18925         and CONSTRUCTOR assignment, translate through struct copies.
18926         (vn_reference_lookup_pieces): Make sure to not free the
18927         passed operands array.  Adjust walk_non_aliased_vuses call.
18928         (vn_reference_lookup): Adjust walk_non_aliased_vuses call,
18929         make sure we do not leak memory.
18930
18931 2009-05-25  Richard Guenther  <rguenther@suse.de>
18932
18933         * tree-ssa-alias.h (dump_points_to_solution): Declare.
18934         * tree-inline.c (expand_call_inline): Reset the escaped and
18935         callused solutions.
18936         * tree-ssa-structalias.c (pass_build_ealias): New.
18937         * tree-pass.h (pass_build_ealias): Declare.
18938         * passes.c (init_optimization_passes): Add PTA during
18939         early optimizations.
18940         * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
18941         and CALLUSED solutions.
18942         (dump_points_to_solution): New function, split out from ...
18943         (dump_points_to_info_for): ... here.
18944         * tree-parloops.c (parallelize_loops): Reset the escaped and
18945         callused solutions.
18946
18947 2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
18948
18949         PR bootstrap/40027
18950         * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
18951         * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.
18952
18953 2009-05-25  Ira Rosen  <irar@il.ibm.com>
18954
18955         PR tree-optimization/40238
18956         * tree-vect-stmts.c (vect_init_vector): Insert initialization
18957         statements after basic block's labels.
18958         * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info()
18959         to free the allocated memory.
18960
18961 2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>
18962
18963         * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
18964         return address with a USE.
18965
18966 2009-05-24  Richard Guenther  <rguenther@suse.de>
18967
18968         PR middle-end/40233
18969         * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
18970         array type from the main variant of the inner type.
18971
18972 2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
18973
18974         * config/vax/vax-protos.h (legitimate_constant_address_p): Change
18975         definition to bool (from int) to un-break build.
18976         (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.
18977
18978 2009-05-24  Paolo Bonzini  <bonzini@gnu.org>
18979
18980         * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
18981         discard_stmt_changes): Delete.
18982         * tree-ssa-operands.c (scb_stack): Delete.
18983         (init_ssa_operands): Do not initialize it.
18984         (fini_ssa_operands): Do not free it.
18985         (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.
18986
18987         * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with
18988         update_stmt, remove the others.  Fix comments.
18989         * tree-dfa.c (optimize_stack_restore): Likewise.
18990         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
18991         * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
18992         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
18993         * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
18994         Likewise.
18995         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
18996         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
18997         (dom_opt_finalize_block): Likewise, adjusting access to
18998         stmts_to_rescan.
18999         (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
19000         (stmts_to_rescan): Change item type to gimple.
19001         (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.
19002
19003 2009-05-24  Ira Rosen  <irar@il.ibm.com>
19004
19005         * doc/passes.texi (Tree-SSA passes): Document SLP pass.
19006         * tree-pass.h (pass_slp_vectorize): New pass.
19007         * params.h (SLP_MAX_INSNS_IN_BB): Define.
19008         * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
19009         * tree-vectorizer.c (timevar.h): Include.
19010         (user_vect_verbosity_level): Declare.
19011         (vect_location): Fix comment.
19012         (vect_set_verbosity_level): Update user_vect_verbosity_level
19013         instead of vect_verbosity_level.
19014         (vect_set_dump_settings): Add an argument. Ignore user defined
19015         verbosity if dump flags require higher level of verbosity. Print to
19016         stderr only for loop vectorization.
19017         (vectorize_loops): Update call to vect_set_dump_settings.
19018         (execute_vect_slp): New function.
19019         (gate_vect_slp): Likewise.
19020         (struct gimple_opt_pass pass_slp_vectorize): New.
19021         * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
19022         access its members.
19023         (vec_info_for_bb): New function.
19024         (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
19025         (VECTORIZATION_ENABLED): New macro.
19026         (SLP_ENABLED, SLP_DISABLED): Likewise.
19027         (vect_is_simple_use): Add bb_vec_info argument.
19028         (new_stmt_vec_info, vect_analyze_data_ref_dependences,
19029         vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
19030         vect_analyze_data_ref_accesses, vect_analyze_data_refs,
19031         vect_schedule_slp, vect_analyze_slp): Likewise.
19032         (vect_analyze_stmt): Add slp_tree argument.
19033         (find_bb_location): Declare.
19034         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
19035         * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
19036         (vect_analyze_loop_operations, vect_analyze_loop,
19037         get_initial_def_for_induction, vect_create_epilog_for_reduction,
19038         vect_finalize_reduction, vectorizable_reduction,
19039         vectorizable_live_operation, vect_transform_loop): Likewise.
19040         * tree-data-ref.c (dr_analyze_innermost): Update comment,
19041         skip evolution analysis if analyzing a basic block.
19042         (dr_analyze_indices): Likewise.
19043         (initialize_data_dependence_relation): Skip the test whether the
19044         object is invariant for basic blocks.
19045         (compute_all_dependences): Skip dependence analysis for data
19046         references in basic blocks.
19047         (find_data_references_in_stmt): Don't fail in case of invariant
19048         access in basic block.
19049         (find_data_references_in_bb): New function.
19050         (find_data_references_in_loop): Move code to
19051         find_data_references_in_bb and add a call to it.
19052         (compute_data_dependences_for_bb): New function.
19053         * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
19054         * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
19055         that STEP is 0.
19056         (vect_analyze_data_ref_dependence): Check for interleaving in case of
19057         unknown dependence in basic block and fail in case of dependence in
19058         basic block.
19059         (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
19060         dependence instances from either loop or basic block vectorization
19061         info.
19062         (vect_compute_data_ref_alignment): Check if it is loop vectorization
19063         before calling nested_in_vect_loop_p.
19064         (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
19065         dependence instances from either loop or basic block vectorization
19066         info.
19067         (vect_verify_datarefs_alignment): Likewise.
19068         (vect_enhance_data_refs_alignment): Adjust function calls.
19069         (vect_analyze_data_refs_alignment): Likewise.
19070         (vect_analyze_group_access): Fix printing. Skip different checks if
19071         DR_STEP is 0. Keep strided stores either in loop or basic block
19072         vectorization data structure. Fix indentation.
19073         (vect_analyze_data_ref_access): Fix comments, allow zero step in
19074         basic blocks.
19075         (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
19076         dependence instances from either loop or basic block vectorization
19077         info.
19078         (vect_analyze_data_refs): Update comment. Call
19079         compute_data_dependences_for_bb to analyze basic blocks.
19080         (vect_create_addr_base_for_vector_ref): Check for outer loop only in
19081         case of loop vectorization. In case of basic block vectorization use
19082         data-ref itself as a base.
19083         (vect_create_data_ref_ptr): In case of basic block vectorization:
19084         don't advance the pointer, add new statements before the current
19085         statement.  Adjust function calls.
19086         (vect_supportable_dr_alignment): Support only aligned accesses in
19087         basic block vectorization.
19088         * common.opt (ftree-slp-vectorize): New flag.
19089         * tree-vect-patterns.c (widened_name_p): Adjust function calls.
19090         (vect_pattern_recog_1): Likewise.
19091         * tree-vect-stmts.c (process_use): Likewise.
19092         (vect_init_vector): Add new statements in the beginning of the basic
19093         block in case of basic block SLP.
19094         (vect_get_vec_def_for_operand): Adjust function calls.
19095         (vect_finish_stmt_generation): Likewise.
19096         (vectorizable_call): Add assert that it is loop vectorization, adjust
19097         function calls.
19098         (vectorizable_conversion, vectorizable_assignment): Likewise.
19099         (vectorizable_operation): In case of basic block SLP, take
19100         vectorization factor from statement's type and skip the relevance
19101         check. Adjust function calls.
19102         (vectorizable_type_demotion): Add assert that it is loop
19103         vectorization, adjust function calls.
19104         (vectorizable_type_promotion): Likewise.
19105         (vectorizable_store): Check for outer loop only in case of loop
19106         vectorization. Adjust function calls. For basic blocks, skip the
19107         relevance check and don't advance pointers.
19108         (vectorizable_load): Likewise.
19109         (vectorizable_condition): Add assert that it is loop vectorization,
19110         adjust function calls.
19111         (vect_analyze_stmt): Add argument. In case of basic block SLP, check
19112         that it is not reduction, get vector type, call only supported
19113         functions, skip loop specific parts.
19114         (vect_transform_stmt): Check for outer loop only in case of loop
19115         vectorization.
19116         (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
19117         (vect_is_simple_use): Fix comment, add new argument, fix conditions
19118         for external definition.
19119         * passes.c (pass_slp_vectorize): New pass.
19120         * tree-vect-slp.c (find_bb_location): New function.
19121         (vect_get_and_check_slp_defs): Add argument, adjust function calls,
19122         check for patterns only in loops.
19123         (vect_build_slp_tree): Add argument, adjust function calls, fail in
19124         case of multiple types in basic block SLP.
19125         (vect_mark_slp_stmts_relevant): New function.
19126         (vect_supported_load_permutation_p): Fix comment.
19127         (vect_analyze_slp_instance): Add argument. In case of basic block
19128         SLP, take vectorization factor from statement's type, check that
19129         unrolling factor is 1. Adjust function call. Save SLP instance in
19130         either loop or basic block vectorization structure. Return FALSE,
19131         if SLP failed.
19132         (vect_analyze_slp): Add argument. Get strided stores groups from
19133         either loop or basic block vectorization structure. Return FALSE
19134         if basic block SLP failed.
19135         (new_bb_vec_info): New function.
19136         (destroy_bb_vec_info, vect_slp_analyze_node_operations,
19137         vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
19138         (vect_schedule_slp): Add argument. Get SLP instances from either
19139         loop or basic block vectorization structure. Set vectorization factor
19140         to be 1 for basic block SLP.
19141         (vect_slp_transform_bb): New function.
19142         * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.
19143
19144 2009-05-23  Mark Mitchell  <mark@codesourcery.com>
19145
19146         * final.c (shorten_branches): Do not align labels for jump tables.
19147         (final_scan_insn): Use JUMP_TABLE_DATA_P.
19148
19149 2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>
19150
19151         * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
19152         Remove outdated reference to flow.c and fix nits.
19153         * doc/gccint.texi: Tweak RTL description.
19154         * doc/rtl.texi: Likewise.
19155
19156 2009-05-23  Denis Chertykov  <chertykov@gmail.com>
19157
19158         * config/avr/avr.c: Change my email address.
19159         * config/avr/avr.h: Likewise.
19160         * config/avr/avr.md: Likewise.
19161         * config/avr/avr-protos.h: Likewise.
19162         * config/avr/libgcc.S: Likewise.
19163
19164 2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
19165
19166         * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
19167         (spu_split_load, spu_split_store): Change return type to int.
19168         (spu_split_convert): Declare.
19169         * config/spu/predicates.md (spu_mem_operand): Remove.
19170         (spu_mov_operand): Update.
19171         (spu_dest_operand, shiftrt_operator, extend_operator): Define.
19172         * config/spu/spu.c (regno_aligned_for_load): Remove.
19173         (reg_aligned_for_addr, spu_expand_load): Define.
19174         (spu_expand_extv): Reimplement and handle MEM.
19175         (spu_expand_insv): Handle MEM.
19176         (spu_sched_reorder): Handle insn's with length 0.
19177         (spu_legitimate_address_p): Reimplement.
19178         (store_with_one_insn_p): Return TRUE for any mode with size
19179         larger than 16 bytes.
19180         (address_needs_split): Define.
19181         (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
19182         operands.
19183         (spu_convert_move): Define.
19184         (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
19185         (spu_split_store): Change all MEM's to TImode.
19186         (spu_init_expanders): Preallocate registers that correspond to
19187         LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
19188         mark_reg_pointer.
19189         (spu_split_convert): Define.
19190         * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
19191         (_move<mode>, _movdi, _movti): Update predicate and condition.
19192         (load, store): Change to define_split.
19193         (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
19194         extend<mode>ti2.
19195         (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
19196         (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
19197         define_insn_and_split of lshr<mode>3.
19198         (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
19199         (<v>ashr<mode>3_imm): Define.
19200         (extv, extzv, insv): Allow MEM operands.
19201         (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
19202         shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
19203         sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
19204         (_spu_convert2): Change to define_insn_and_split and remove the
19205         corresponding define_peephole2.
19206         (stack_protect_set, stack_protect_test, stack_protect_test_si):
19207         Change predicates to memory_operand.
19208
19209 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
19210
19211         * config/arm/thumb2.md: Add 16-bit multiply instructions.
19212
19213 2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
19214
19215         PR tree-optimization/40219
19216         * tree.c (iterative_hash_expr): Make sure the builtin function is
19217         a normal builtin function and not a front end or back end builtin
19218         before indexing into the built_in_decls array.
19219
19220 2009-05-22  Richard Guenther  <rguenther@suse.de>
19221
19222         PR middle-end/38964
19223         * alias.c (write_dependence_p): Do not use TBAA for answering
19224         anti-dependence or output-dependence.
19225         * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
19226         (emit_pointer_definition): Remove.
19227         (emit_alias_warning): Likewise.
19228         (find_what_var_points_to): Remove TBAA pruning code.
19229         (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
19230         violations.
19231         (compute_points_to_sets): Remove code computing the set of
19232         dereferenced pointers.
19233         * tree-data-ref.c (dr_may_alias_p): Properly use the split
19234         oracle for querying anti and output dependencies.
19235         * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
19236         if TBAA may be applied.
19237         (refs_anti_dependent_p): New function.
19238         (refs_output_dependent_p): Likewise.
19239         * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
19240         (refs_output_dependent_p): Likewise.
19241         * doc/tree-ssa.texi (Memory model): New section.
19242         * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
19243         * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
19244         * cfgexpand.c (expand_gimple_basic_block): Do not handle
19245         GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
19246         * expr.c (expand_expr_real_1): Likewise.
19247         * gimple-low.c (lower_stmt): Likewise.
19248         * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
19249         (dump_gimple_cdt): Remove.
19250         * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
19251         (gimple_size): Likewise.
19252         (walk_gimple_op): Likewise.
19253         (is_gimple_stmt): Likewise.
19254         (walk_stmt_load_store_addr_ops): Likewise.
19255         (gimple_build_cdt): Remove.
19256         * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
19257         * gimple.h (gimple_cdt_new_type): Remove.
19258         (gimple_cdt_new_type_ptr): Likewise.
19259         (gimple_cdt_set_new_type): Likewise.
19260         (gimple_cdt_location): Likewise.
19261         (gimple_cdt_location_ptr): Likewise.
19262         (gimple_cdt_set_location): Likewise.
19263         * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
19264         * tree-cfg.c (remove_useless_stmts_1): Do not handle
19265         GIMPLE_CHANGE_DYNAMIC_TYPE.
19266         (verify_types_in_gimple_stmt): Likewise.
19267         * tree-inline.c (estimate_num_insns): Likewise.
19268         (expand_call_inline): Do not copy DECL_NO_TBAA_P.
19269         (copy_decl_to_var): Likewise.
19270         (copy_result_decl_to_var): Likewise.
19271         * tree-pretty-print.c (dump_generic_node): Do not handle
19272         CHANGE_DYNAMIC_TYPE_EXPR.
19273         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
19274         * tree-ssa-operands.c (get_expr_operands): Likewise.
19275         * tree-ssa-structalias.c (struct variable_info): Remove
19276         no_tbaa_pruning member.
19277         (new_var_info): Do not set it based on DECL_NO_TBAA_P.
19278         (unify_nodes): Do not copy it.
19279         (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
19280         (dump_solution_for_var): Do not dump no_tbaa_pruning state.
19281         (set_uids_in_ptset): Do not check it.
19282         (find_what_var_points_to): Likewise.
19283         (compute_tbaa_pruning): Remove.
19284         (compute_points_to_sets): Do not call it.
19285         * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
19286         * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
19287         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
19288         (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
19289         (DECL_NO_TBAA_P): Likewise.
19290         (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
19291         * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
19292         (expand_omp_atomic_pipeline): Do not set it.
19293         * print-tree.c (print_node): Do not dump it.
19294         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
19295         redundant check.
19296
19297 2009-05-22 Vladimir Makarov <vmakarov@redhat.com>
19298
19299         PR target/39856
19300         * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
19301         for clobber.
19302
19303 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
19304
19305         * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
19306         non-external.
19307
19308 2009-05-22  Ben Elliston  <bje@au.ibm.com>
19309
19310         * Makefile.in (bversion.h, s-bversion): New targets.
19311         (TOPLEV_H): Add bversion.h.
19312         * toplev.h: Include "bversion.h".
19313         (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
19314         the __format__ attribute only if compiling with the same version
19315         of GCC as the sources (the "build version").
19316
19317 2009-05-22  Ben Elliston  <bje@au.ibm.com>
19318
19319         * c-format.c (handle_format_attribute): Fix comment typo.
19320
19321 2009-05-21  Steve Ellcey  <sje@cup.hp.com>
19322
19323         PR target/37846
19324         * config/ia64/ia64.opt (mfused-madd): New.
19325         * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
19326         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
19327         * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
19328         madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
19329         nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
19330         msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
19331         nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
19332         * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms
19333         instruction if !TARGET_FUSED_MADD.
19334         (fpma, fpms): Remove colon from name.
19335
19336 2009-05-22  Richard Guenther  <rguenther@suse.de>
19337
19338         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
19339         TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
19340         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
19341         TARGET_MEM_REF.
19342         (create_expression_by_pieces): Only convert if necessary.
19343         * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
19344         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
19345
19346 2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>
19347
19348         * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
19349         regular pattern from a template and rename it ...
19350         (*extzv_truncsi_exts): ... to this.
19351
19352 2009-05-21  Richard Guenther  <rguenther@suse.de>
19353
19354         * cgraph.h (struct cgraph_node): Remove inline_decl member.
19355         * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
19356         (cgraph_default_inline_p): Likewise.
19357         (cgraph_decide_inlining_incrementally): Likewise.
19358
19359 2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
19360             Uros Bizjak  <ubizjak@gmail.com>
19361
19362         * config/i386/cpuid.h (bit_MOVBE): New.
19363
19364         * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.
19365
19366         * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
19367         (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
19368         (ix86_handle_option): Handle OPT_mmovbe.
19369         (ix86_target_string): Add -mmovbe.
19370         (pta_flags): Add PTA_MOVBE.
19371         (processor_alias_table): Add PTA_MOVBE to "atom".
19372         (override_options): Handle PTA_MOVBE.
19373
19374         * config/i386/i386.h (TARGET_MOVBE): New.
19375
19376         * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
19377         (*bswapsi_movbe): New.
19378         (*bswapdi_movbe): Likewise.
19379         (bswapdi2): Renamed to ...
19380         (*bswapdi_1): This.
19381         (bswapdi2): New expander.
19382
19383         * config/i386/i386.opt (mmovbe): New.
19384
19385         * doc/invoke.texi: Document -mmovbe.
19386
19387 2009-05-21  Taras Glek  <tglek@mozilla.com>
19388
19389         * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
19390         * gcc-plugin.h (plugin_init): Updated signature.
19391         * gcc-plugin.h (plugin_name_args): Moved to this header.
19392         * doc/plugins.texi (plugin_init): Updated documention to reflect
19393         API change.
19394         * doc/plugins.texi (plugin_name_args): Added to documention.
19395
19396 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
19397
19398         * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
19399         (*mul<mode>3neg<mode>add<mode>_neon): Likewise.
19400
19401 2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>
19402
19403         * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
19404         JUMP_TABLE_DATA_P predicates where applicable.
19405         * config/i386/predicates.md: Ditto.
19406         * config/i386/sse.md: Ditto.
19407
19408 2009-05-21  Jakub Jelinek  <jakub@redhat.com>
19409
19410         * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
19411         operand2 -128 override length_immediate attribute to 1.
19412         * config/i386/predicates.md (constm128_operand): New predicate.
19413
19414         * config/i386/i386.c (memory_address_length): Handle %r12
19415         the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
19416         also check REGNO.
19417         (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
19418         mode look through optional ZERO_EXTEND and SUBREG.
19419         * config/i386/i386.md (R12_REG): New define_constant.
19420         (prefix_data16): For sse unit set also for MODE_TI insns.
19421         (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
19422         insns set if operand 1 is ext_QIreg_operand.
19423         (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
19424         TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
19425         immediate.
19426         (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
19427         mode from MODE_DI to MODE_SI.
19428         (movdi_1_rex64): Override modrm and length_immediate attributes
19429         only for movabs (TYPE_IMOV, alternative 2).
19430         (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
19431         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
19432         *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
19433         *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
19434         *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
19435         prefix_rex attribute if DImode.
19436         (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
19437         *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
19438         *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
19439         *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
19440         attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
19441         (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
19442         Likewise.  For TYPE_IMOV clear length_immediate attribute.
19443         (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
19444         *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
19445         *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
19446         *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
19447         *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
19448         or one operand TYPE_ISHIFT.
19449         (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
19450         *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
19451         *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
19452         *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
19453         *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
19454         *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
19455         *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
19456         *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
19457         *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
19458         *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
19459         *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
19460         *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
19461         *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
19462         *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
19463         *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
19464         *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
19465         *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
19466         set mode attribute, don't override length attribute.
19467         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
19468         to 1.
19469         (return_internal_long): Set length attribute to 2 instead of 1.
19470         (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
19471         *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
19472         prefix_rex attribute.
19473         * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
19474         New predicates.
19475         (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.
19476
19477 2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
19478
19479         * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.
19480
19481 2009-05-20  Ian Lance Taylor  <iant@google.com>
19482
19483         * tree.c (build_tree_list_vec_stat): New function.
19484         (ctor_to_vec): New function.
19485         (build_nt_call_vec): New function.
19486         (build_call_array): Change args to be a const pointer.
19487         (build_call_vec): New function.
19488         * tree.h (build_nt_call_vec): Declare.
19489         (build_tree_list_vec_stat): Declare.
19490         (build_tree_list_vec): Define.
19491         (build_call_array): Update declaration.
19492         (build_call_vec): Declare.
19493         (ctor_to_vec): Declare.
19494         * c-common.c (tree_vector_cache): New static variable.
19495         (make_tree_vector): New function.
19496         (release_tree_vector): New function.
19497         (make_tree_vector_single): New function.
19498         (make_tree_vector_copy): New function.
19499         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
19500         (make_tree_vector_single, make_tree_vector_copy): Declare.
19501         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
19502         (c_parser_expr_list): Don't manage cache here, instead call
19503         make_tree_vector.
19504         (c_parser_release_expr_list): Remove static function.
19505         (c_parser_vec_to_tree_list): Remove static function.
19506         (c_parser_attributes): Call build_tree_list_vec instead of
19507         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
19508         c_parser_release_expr_list.
19509         (c_parser_postfix_expression_after_primary): Likewise.
19510         (c_parser_objc_keywordexpr): Likewise.
19511
19512 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
19513
19514         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
19515         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
19516         TARGET_CONVERT_TO_TYPE.
19517         * hooks.c (hook_tree_const_tree_null): Define.
19518         * hooks.h (hook_tree_const_tree_null): Declare.
19519         * target.h (struct gcc_target):  Add invalid_parameter_type,
19520         invalid_return_type, promoted_type, and convert_to_type fields.
19521         * target-def.h (TARGET_INVALID_PARAMETER_TYPE): Define.
19522         (TARGET_INVALID_RETURN_TYPE): Define.
19523         (TARGET_PROMOTED_TYPE): Define.
19524         (TARGET_CONVERT_TO_TYPE): Define.
19525         (TARGET_INITIALIZER): Update for new fields.
19526         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
19527         (grokparms): Check targetm.invalid_parameter_type.
19528         * c-typeck.c (default_conversion): Check targetm.promoted_type.
19529         * c-convert.c (convert): Check targetm.convert_to_type.
19530
19531 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
19532
19533         * config/mips/mips.md (*extenddi_truncate<mode>,
19534         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
19535         defintions.
19536         (*extendhi_truncateqi): New define_insn_and_sptit.
19537
19538 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
19539
19540         PR middle-end/40204
19541         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
19542         recursion if build_int_cst_type returns the same INTEGER_CST as arg1.
19543
19544 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
19545
19546         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
19547         the operand of VIEW_CONVERT_EXPR.
19548
19549 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
19550
19551         * config/i386/driver-i386.c (host_detect_local_cpu): Check
19552         extended family and model for Intel processors.  Support Intel Atom.
19553
19554 2009-05-20  Olivier Hainque  <hainque@adacore.com>
19555
19556         * gstab.h (stab_code_type): Define, to be used instead of the
19557         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
19558         notice.
19559         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
19560         occurrences by stab_code_type.
19561         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
19562
19563 2009-05-20  Martin Jambor  <mjambor@suse.cz>
19564
19565         * tree-flow.h (insert_edge_copies_seq): Undeclare.
19566         (sra_insert_before): Likewise.
19567         (sra_insert_after): Likewise.
19568         (sra_init_cache): Likewise.
19569         (sra_type_can_be_decomposed_p): Likewise.
19570         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
19571         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
19572         (sra_insert_before): Likewise.
19573         (sra_insert_after): Likewise.
19574         (sra_init_cache): Likewise.
19575         (insert_edge_copies_seq): Made static and moved upwards.
19576
19577         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
19578         case.
19579
19580         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
19581
19582         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
19583         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
19584         simple copies.
19585
19586 2009-05-20  Richard Guenther  <rguenther@suse.de>
19587
19588         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
19589         with mismatched comparison modes.
19590
19591 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
19592
19593         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
19594         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
19595         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
19596         with shifts for Thumb2.
19597         (orsi_notsi): New for orn.
19598         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
19599         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
19600         * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
19601         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
19602         Don't invert remainder for IOR.
19603
19604 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
19605
19606         PR tree-optimization/40087
19607         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
19608         number_of_iterations_ne): Rename never_infinite argument.
19609         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
19610         number_of_iterations_le): Handle pointer-type ivs when
19611         exit_must_be_taken is false.
19612         (number_of_iterations_cond):  Do not always assume that
19613         exit_must_be_taken if the control variable is a pointer.
19614
19615 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
19616
19617         * c-typeck.c (build_binary_op): Allow % on integal vectors.
19618         * doc/extend.texi (Vector Extension): Document that % is allowed too.
19619
19620 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
19621
19622         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
19623         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
19624
19625 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
19626
19627         PR c/40172
19628         * c.opt (Wlogical-op): Disabled by default.
19629         * c-opt (c_common_post_options): Do not enable Wlogical-op with
19630         Wextra.
19631         * doc/invoke.texi (Wlogical-op): Likewise.
19632
19633 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
19634
19635         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
19636         into CASE_CONVERT.
19637         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
19638         Propagate the type of the first operand.
19639         <ASSERT_EXPR>: Simplify.
19640         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
19641         Rewrite using the RHS code as discriminant.
19642         <NOP_EXPR>: Turn into CASE_CONVERT.
19643         <PLUS_EXPR>: Propagate the type of the first operand.
19644
19645 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
19646
19647         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
19648         (ia64_dconst_0_375): New.
19649         * config/ia64/ia64.c (ia64_override_options): Remove
19650         -minline-sqrt-min-latency warning.
19651         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
19652         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
19653         * config/ia64/ia64.md (*sqrt_approx): Remove.
19654         (sqrtsf2): Remove #if 0.
19655         (sqrtsf2_internal_thr): Rewrite and move to div.md.
19656         (sqrtdf): Remove assert.
19657         (sqrtdf2_internal_thr): Rewrite and move to div.md.
19658         (sqrtxf2): Remove #if 0.
19659         (sqrtxf2_internal_thr): Rewrite and move to div.md.
19660         * div.md (sqrt_approx_rf): New.
19661         (sqrtsf2_internal_thr): New implementation.
19662         (sqrtsf2_internal_lat): New.
19663         (sqrtdf2_internal_thr: New implementation.
19664         (sqrtxf2_internal): New implementation.
19665
19666 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
19667             Hans-Peter Nilsson  <hp@axis.com>
19668
19669         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
19670         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
19671         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
19672         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
19673         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
19674         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
19675         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
19676         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
19677         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
19678         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
19679         * c-common.c: ...from here.
19680
19681 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
19682
19683         * c-common.c (warn_logical_operator): Remove unnecessary conditionals.
19684
19685 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19686
19687         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
19688
19689 2009-05-19  Ben Elliston  <bje@au.ibm.com>
19690
19691         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
19692         assignments with memcpy calls.
19693         (add_fdes): Likewise.
19694         (binary_search_unencoded_fdes): Likewise.
19695         (linear_search_fdes): Eliminate type puns.
19696
19697 2009-05-19  Richard Guenther  <rguenther@suse.de>
19698
19699         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
19700         not falsely claim to have propagated into all uses.
19701
19702 2009-05-19  Ben Elliston  <bje@au.ibm.com>
19703
19704         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
19705         version to v3.0.
19706
19707 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
19708
19709         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
19710         * config/sh/sh.c (sh_legitimate_address_p): Make static.
19711         (TARGET_LEGITIMATE_ADDRESS_P): New.
19712         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
19713         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
19714
19715 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
19716
19717         PR debug/40109
19718         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
19719         child of the containing namespace's DIE.
19720
19721 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
19722
19723         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
19724         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
19725         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
19726         extend patterns.
19727
19728 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
19729
19730         PR target/39942
19731         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
19732         gen_align with gen_pad.
19733         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
19734         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
19735
19736         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
19737         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
19738
19739         * config/i386/i386.md (align): Renamed to ...
19740         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
19741         ASM_OUTPUT_MAX_SKIP_PAD.
19742
19743 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
19744
19745         * config.gcc: Fix variable syntax.
19746
19747         PR target/39531
19748         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
19749         before calling exact_log2.
19750         (output_iorsi3): Likewise.
19751         (output_xorsi3): Likewise.
19752
19753 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
19754
19755         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
19756         for the none zero constant operand except for EQ and NE
19757         comprisons even when the first operand is R0.
19758
19759 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
19760
19761         * config/s390/2064.md: Remove trailing whitespaces.
19762         * config/s390/2084.md: Likewise.
19763         * config/s390/constraints.md: Likewise.
19764         * config/s390/fixdfdi.h: Likewise.
19765         * config/s390/libgcc-glibc.ver: Likewise.
19766         * config/s390/s390-modes.def: Likewise.
19767         * config/s390/s390-protos.h: Likewise.
19768         * config/s390/s390.c: Likewise.
19769         * config/s390/s390.h: Likewise.
19770         * config/s390/s390.md: Likewise.
19771         * config/s390/tpf-unwind.h: Likewise.
19772
19773 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
19774
19775         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
19776
19777 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
19778
19779         M68K TLS support.
19780         * configure.ac (m68k-*-*): Check if binutils support TLS.
19781         * configure: Regenerate.
19782         * config/m68k/predicates.md (symbolic_operand): Extend comment.
19783         * config/m68k/constraints.md (Cu): New constraint.
19784         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
19785         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
19786         (movsi): Handle TLS symbols.
19787         (addsi3_5200): Handle XTLS symbols, indent.
19788         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
19789         (m68k_tls_reference_p): Declare.
19790         (m68k_legitimize_address): Declare.
19791         (m68k_unwrap_symbol): Declare.
19792         * config/m68k/m68k.opt (mxtls): New option.
19793         * config/m68k/m68k.c (ggc.h): Include.
19794         (m68k_output_dwarf_dtprel): Implement hook.
19795         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
19796         (m68k_expand_prologue): Load GOT pointer when function needs it.
19797         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
19798         (m68k_legitimate_constant_address_p): Same.
19799         (m68k_decompose_address): Handle TLS references.
19800         (m68k_get_gp): New static function.
19801         (enum m68k_reloc): New contants.
19802         (TLS_RELOC_P): New macro.
19803         (m68k_wrap_symbol): New static function.
19804         (m68k_unwrap_symbol): New function.
19805         (m68k_final_prescan_insn_1): New static function.
19806         (m68k_final_prescan_insn): New function.
19807         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
19808         functions.
19809         (legitimize_pic_address): Handle TLS references..
19810         (m68k_tls_get_addr, m68k_get_tls_get_addr)
19811         (m68k_libcall_value_in_a0_p)
19812         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
19813         (m68k_call_m68k_read_tp): Helper variables and functions for ...
19814         (m68k_legitimize_tls_address): Handle TLS references.
19815         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
19816         New functions.
19817         (m68k_legitimize_address): Handle TLS symbols.
19818         (m68k_get_reloc_decoration): New static function.
19819         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
19820         UNSPEC_RELOC32.
19821         (m68k_output_dwarf_dtprel): Implement hook.
19822         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
19823         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
19824         m68k_call_* routines.
19825         (sched_attr_op_type): Handle TLS symbols.
19826         (gt-m68k.h): Include.
19827         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
19828         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
19829
19830 2009-05-18  Martin Jambor  <mjambor@suse.cz>
19831
19832         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
19833         (visit_store_addr_for_mod_analysis): New function.
19834         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
19835         (determine_cst_member_ptr): Use gimple_assign_single_p.
19836         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
19837         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
19838         operands.  Don't check number of operands of a NOP_EXPR.
19839
19840 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
19841
19842         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
19843
19844 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
19845
19846         PR c/40172
19847         * c-common.c (warn_logical_operator): Don't warn if one of
19848         expression isn't always true or false.
19849
19850 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
19851
19852         * config/i386/biarch32.h: New file.
19853         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
19854
19855 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
19856
19857         * config/mips/mips.md (*zero_extend<mode>_trunchi,
19858         *zero_extend<mode>_truncqi): Merge these into ...
19859         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
19860         Name the pattern following this as *zero_extendhi_truncqi.
19861
19862 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
19863
19864         PR middle-end/39301
19865         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
19866         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
19867         (output_info): Make field HOST_WIDEST_INT.
19868         (print_statistics): Use HOST_WIDEST_INT_PRINT.
19869         (dump_bitmat_statistics): Same.
19870
19871 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
19872
19873         * config.gcc (use_gcc_stdint):  Set to wrap.
19874         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
19875         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
19876         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
19877         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
19878         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
19879         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
19880         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
19881         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
19882
19883 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
19884
19885         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
19886         tune_64.
19887         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
19888         Move definitions earlier.
19889         (OPT_ARCH64, OPT_ARCH32): Define.
19890         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
19891         and tune_64.
19892
19893 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
19894
19895         PR target/40153
19896         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
19897         implies.
19898
19899 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
19900
19901         * arm.md (movdi2): Copy non-reg values to DImode registers.
19902
19903 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
19904
19905         PR target/39942
19906         * final.c (label_to_max_skip): New function.
19907         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
19908         CODE_LABEL_NUMBER <= max_labelno.
19909         * output.h (label_to_max_skip): New prototype.
19910         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
19911         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
19912         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
19913         Handle CODE_LABELs with >= 16 byte alignment or with
19914         max_skip == (1 << align) - 1.
19915         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
19916         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
19917
19918         PR target/39942
19919         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
19920         .p2align 3 if MAX_SKIP is smaller than 7.
19921         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
19922
19923 2009-05-15  Ian Lance Taylor  <iant@google.com>
19924
19925         * alias.c (struct alias_set_entry_d): Rename from struct
19926         alias_set_entry.  Change all uses.
19927         * except.c (struct call_site_record_d): Rename from struct
19928         call_site_record.  Change all uses.
19929         * except.h (struct eh_region_d): Rename from struct eh_region.
19930         Change all uses.
19931         * gcse.c (struct hash_table_d): Rename from struct hash_table.
19932         Change all uses.
19933         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
19934         ivtype_map_elt.  Change all uses.
19935         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
19936         Change all uses.
19937         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
19938         * graphite.h (struct name_tree_d): Rename from struct name_tree.
19939         Change all uses.
19940         (struct sese_d): Rename from struct sese.  Change all uses.
19941         * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
19942         (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
19943         * optabs.h (struct optab_d): Rename from struct optab.  Change all
19944         uses.
19945         (struct convert_optab_d): Rename from struct convert_optab.
19946         Change all uses.
19947         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
19948         ipa_opt_pass.  Change all uses.
19949         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
19950         all uses.
19951
19952         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
19953         defined as a typedef.
19954         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
19955         defined as a tag.
19956
19957 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
19958
19959         PR 16302
19960         * fold-const.c (make_range,build_range_check,merge_ranges): Move
19961         declaration to...
19962         (merge_ranges): Returns bool.
19963         * tree.h (make_range): .. to here.
19964         (build_range_check): Likewise.
19965         (merge_ranges): Likewise. Renamed from merge_ranges.
19966         * c-typeck.c (parser_build_binary_op): Update calls to
19967         warn_logical_operator.
19968         * c-common.c (warn_logical_operator): Add new warning.
19969         * c-common.h (warn_logical_operator): Update declaration.
19970
19971 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
19972
19973         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.
19974
19975 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19976
19977         * doc/install.texi: Document MPC requirements, flags etc.
19978
19979         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
19980         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
19981         Evaluate constant arguments.
19982         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
19983         (fold_builtin_1): Likewise, also evaluate constant arguments.
19984         Remove superfluous break.
19985         (do_mpc_ckconv): New.
19986         * real.h: Include mpc.h.
19987         * toplev.c (print_version): Output MPC version info if available.
19988
19989 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
19990
19991         * fold-const.c (fold_convert_const_real_from_real): Check for overflow.
19992
19993 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
19994
19995         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
19996         only once.
19997
19998 2009-05-15  Jan Hubicka  <jh@suse.cz>
19999
20000         * doc/invoke.texi (max-early-inliner-iterations): New flag.
20001         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
20002         (try_inline): Fix return value.
20003         (cgraph_decide_inlining_incrementally): Honor new value.
20004         (cgraph_early_inlining): Handle indirect inlining.
20005         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
20006
20007 2009-05-15  Jan Hubicka  <jh@suse.cz>
20008
20009         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
20010         * cgraphunit.c (cgraph_finalize_function): Set it.
20011         (cgraph_expand_function): Use it.
20012
20013 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
20014
20015         * real.c (encode_ieee_half): Define.
20016         (decode_ieee_half): Define.
20017         (ieee_half_format): Define.
20018         (arm_half_format): Define.
20019         * real.h (ieee_half_format): Declare.
20020         (arm_half_format): Declare.
20021
20022 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
20023
20024         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
20025         swapped, and reversed optabs exist before trying to use them.
20026
20027 2009-05-15  Paul Brook  <paul@codesourcery.com>
20028             Sandra Loosemore  <sandra@codesourcery.com>
20029
20030         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
20031         loads.  Allow PRE_DEC.
20032         (output_move_neon): Handle PRE_DEC.
20033         (arm_print_operand): Add 'A' for neon structure loads.
20034         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
20035         * config/arm/neon.md (neon_mov): Update comment.
20036         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
20037         calls.
20038         (Um): New constraint.
20039
20040 2009-05-15  Jan Hubicka  <jh@suse.cz>
20041
20042         Revert the following patch until testsuite fallout is fixed:
20043         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
20044         * cgraph.h (struct inline_summary): New filed self_wize,
20045         size_inlining_benefit, self_time and time_inlining_benefit.
20046         (struct cgraph_global_info): Replace insns by time ans size fields.
20047         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
20048         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
20049         (ipcp_update_callgraph): Do not touch function bodies.
20050         * ipa-inline.c: Include except.h
20051         (MAX_TIME): New constant.
20052         (overall_insns): Remove
20053         (overall_size, max_benefit): New static variables.
20054         (cgraph_estimate_time_after_inlining): New function.
20055         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
20056         (cgraph_clone_inlined_nodes): Update size.
20057         (cgraph_mark_inline_edge): Update size.
20058         (cgraph_estimate_growth): Use size info.
20059         (cgraph_check_inline_limits): Check size.
20060         (cgraph_default_inline_p): Likewise.
20061         (cgraph_edge_badness): Compute badness based on benefit and size cost.
20062         (cgraph_decide_recursive_inlining): Check size.
20063         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
20064         and times.
20065         (cgraph_decide_inlining): Likewise.
20066         (cgraph_decide_inlining_incrementally): Likewise; honor
20067         PARAM_EARLY_INLINING_INSNS.
20068         (likely_eliminated_by_inlining_p): New predicate.
20069         (estimate_function_body_sizes): New function.
20070         (compute_inline_parameters): Use it.
20071         * except.c (must_not_throw_labels): New function.
20072         * except.h (must_not_throw_labels): Declare.
20073         * tree-inline.c (init_inline_once): Kill inlining_weigths
20074         * tree-ssa-structalias.c: Avoid uninitialized warning.
20075         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
20076         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
20077         (PARAM_INLINE_CALL_COST): Remove.
20078         (PARAM_EARLY_INLINING_INSNS): New.
20079
20080 2009-05-15  Richard Guenther  <rguenther@suse.de>
20081
20082         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
20083         not TODO_update_ssa.
20084
20085 2009-05-15  Richard Guenther  <rguenther@suse.de>
20086
20087         PR tree-optimization/39999
20088         * gimple.h (gimple_expr_type): Use the expression type looking
20089         through useless conversions.
20090         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
20091         (vn_nary_op_insert_stmt): Likewise.
20092         (simplify_binary_expression): Likewise.
20093
20094 2009-05-15  Richard Guenther  <rguenther@suse.de>
20095
20096         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
20097         New options, enabled by default.
20098         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
20099         Document.
20100         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
20101         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
20102         * tree-ssa-structalias.c (gate_tree_pta): New function.
20103         (pass_build_alias): Use it.
20104
20105 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
20106
20107         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
20108         recurse on an invariant address if a conversion from a pointer
20109         type to a wider integer type is involved.
20110
20111 2009-05-15  Jan Hubicka  <jh@suse.cz>
20112
20113         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
20114         * cgraph.h (struct inline_summary): New filed self_wize,
20115         size_inlining_benefit, self_time and time_inlining_benefit.
20116         (struct cgraph_global_info): Replace insns by time ans size fields.
20117         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
20118         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
20119         (ipcp_update_callgraph): Do not touch function bodies.
20120         * ipa-inline.c: Include except.h
20121         (MAX_TIME): New constant.
20122         (overall_insns): Remove
20123         (overall_size, max_benefit): New static variables.
20124         (cgraph_estimate_time_after_inlining): New function.
20125         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
20126         (cgraph_clone_inlined_nodes): Update size.
20127         (cgraph_mark_inline_edge): Update size.
20128         (cgraph_estimate_growth): Use size info.
20129         (cgraph_check_inline_limits): Check size.
20130         (cgraph_default_inline_p): Likewise.
20131         (cgraph_edge_badness): Compute badness based on benefit and size cost.
20132         (cgraph_decide_recursive_inlining): Check size.
20133         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
20134         and times.
20135         (cgraph_decide_inlining): Likewise.
20136         (cgraph_decide_inlining_incrementally): Likewise; honor
20137         PARAM_EARLY_INLINING_INSNS.
20138         (likely_eliminated_by_inlining_p): New predicate.
20139         (estimate_function_body_sizes): New function.
20140         (compute_inline_parameters): Use it.
20141         * except.c (must_not_throw_labels): New function.
20142         * except.h (must_not_throw_labels): Declare.
20143         * tree-inline.c (init_inline_once): Kill inlining_weigths
20144         * tree-ssa-structalias.c: Avoid uninitialized warning.
20145         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
20146         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
20147         (PARAM_INLINE_CALL_COST): Remove.
20148         (PARAM_EARLY_INLINING_INSNS): New.
20149         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
20150         (inline-call-cost): Remove.
20151         (early-inlining-insns): New.
20152
20153 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
20154
20155         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
20156         for bounds.
20157         (print_int_cst_bounds_in_octal_p): Likewise.
20158         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
20159         with subtypes.
20160         * dwarf2out.c (base_type_die): Likewise.
20161         (is_subrange_type): Delete.
20162         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
20163         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
20164         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it
20165         if the destination type is boolean.
20166         (build_range_check): Do not special-case subtypes.
20167         (fold_sign_changed_comparison): Likewise.
20168         (fold_unary): Likewise.
20169         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
20170         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
20171         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
20172         * tree.c (subrange_type_for_debug_p): New predicate based on the
20173         former is_subrange_type.
20174         * tree.h (subrange_type_for_debug_p): Declare.
20175         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
20176         (convert_affine_scev): Remove call to above function.
20177         (chrec_convert_aggressive): Likewise.
20178         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
20179         false for conversions involving subtypes.
20180         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
20181         (vrp_val_min): Likewise.
20182         (needs_overflow_infinity): Likewise.
20183         (extract_range_from_unary_expr): Likewise.
20184
20185 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
20186
20187         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
20188         * config/frv/frv.c: Likewise.
20189         * config/s390/s390.c: Likewise.
20190         * config/sparc/sparc.h: Likewise.
20191         * config/i386/i386.h: Likewise.
20192         * config/i386/i386.c: Likewise.
20193         * config/crx/crx.c: Likewise.
20194         * config/m68hc11/m68hc11.h: Likewise.
20195         * config/iq2000/iq2000.c: Likewise.
20196         * config/mn10300/mn10300.h: Likewise.
20197         * config/mn10300/mn10300.c: Likewise.
20198         * config/m68k/m68k.c: Likewise.
20199         * config/rs6000/rs6000.c: Likewise.
20200         * config/rs6000/xcoff.h: Likewise.
20201         * config/rs6000/linux64.h: Likewise.
20202         * config/rs6000/sysv4.h: Likewise.
20203         * config/score/score3.c: Likewise.
20204         * config/score/score7.c: Likewise.
20205         * config/score/score.c: Likewise.
20206         * config/arm/arm.md: Likewise.
20207         * config/mips/mips.c: Likewise.
20208         * config/mips/mips.md: Likewise.
20209         * config/bfin/bfin.h: Likewise.
20210         * config/pa/pa.c: Likewise.
20211         * config/pa/constraints.md: Likewise.
20212
20213         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
20214         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
20215         * config/pdp11/pdp11.h: Use memory_address_p instead.
20216
20217 2009-05-14  Ian Lance Taylor  <iant@google.com>
20218
20219         * passes.c (finish_optimization_passes): Change i to int.
20220         * plugin.c (plugins_active_p): Change event to int.
20221         (dump_active_plugins): Likewise.
20222         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
20223         Add cast.
20224         * tree.c (tree_range_check_failed): Change c to unsigned int.
20225         (omp_clause_range_check_failed): Likewise.
20226         (build_common_builtin_nodes): Change mode to int.  Add cast.
20227         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
20228         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
20229
20230         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
20231         ++ or -- with a variable of enum type.
20232
20233 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
20234
20235         PR driver/40144
20236         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
20237
20238 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
20239
20240         * store-motion.c: Do not include params.h
20241         * Makefile.in: Fix dependencies for various files.
20242
20243 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
20244
20245         * auto-inc-dec.c: Fix pass description, remove apparent
20246         accidental duplication.
20247
20248 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
20249
20250         PR middle-end/40147
20251         * ipa-utils.h (memory_identifier_string): Moved to ...
20252         * tree.h (memory_identifier_string): Here.  Add GTY(()).
20253
20254 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
20255
20256         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
20257         in the former documentation of...
20258         (GO_IF_LEGITIMATE_ADDRESS): ... this.
20259         * ira-conflicts.c (get_dup_num): Use address_operand.
20260         * targhooks.c (default_legitimate_address_p): New.
20261         * targhooks.h (default_legitimate_address_p): New.
20262         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
20263         Call hook.
20264         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
20265         * target.h (struct target): Add legitimate_address_p.
20266         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
20267         (TARGET_INITIALIZER): Include it.
20268
20269         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20270         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
20271         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
20272         (TARGET_LEGITIMATE_ADDRESS_P): New.
20273
20274         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20275         (REG_OK_STRICT_P): Delete.
20276         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
20277         (frv_legitimate_address_p_1): ... this.
20278         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
20279         (frv_legitimate_address_p_1): ... the renamed old
20280         frv_legitimate_address_p.
20281         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
20282         (TARGET_LEGITIMATE_ADDRESS_P): New.
20283
20284         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20285         * config/s390/s390-protos.h (legitimate_address_p): Remove.
20286         * config/s390/s390.c (legitimate_address_p): Rename to...
20287         (s390_legitimate_address_p): ... this, make static.
20288         (legitimize_address): Adjust call.
20289         (TARGET_LEGITIMATE_ADDRESS_P): New.
20290         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
20291
20292         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20293         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
20294         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
20295         (TARGET_LEGITIMATE_ADDRESS_P): New.
20296
20297         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20298         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
20299         * config/spu/spu.c (spu_legitimate_address): Rename to...
20300         (spu_legitimate_address_p): ... this, make static.
20301         (TARGET_LEGITIMATE_ADDRESS_P): New.
20302
20303         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20304         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
20305         * config/sparc/sparc.c (legitimate_address_p): Rename to...
20306         (sparc_legitimate_address_p): ... this, make static and return bool.
20307         (legitimize_address): Adjust call.
20308         (TARGET_LEGITIMATE_ADDRESS_P): New.
20309
20310         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20311         * config/i386/i386-protos.h (legitimate_address_p): Remove.
20312         * config/i386/i386.c (legitimate_address_p): Rename to...
20313         (ix86_legitimate_address_p): ... this, make static.
20314         (constant_address_p): Move after it, adjust call.
20315         (TARGET_LEGITIMATE_ADDRESS_P): New.
20316
20317         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20318         * config/avr/avr-protos.h (legitimate_address_p): Remove.
20319         * config/avr/avr.c (legitimate_address_p): Rename to...
20320         (avr_legitimate_address_p): ... this, make static.
20321         (legitimize_address): Adjust call.
20322         (TARGET_LEGITIMATE_ADDRESS_P): New.
20323
20324         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20325         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
20326         * config/crx/crx.c (crx_legitimate_address_p): Make static.
20327         (TARGET_LEGITIMATE_ADDRESS_P): New.
20328
20329         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20330         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
20331         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
20332         (TARGET_LEGITIMATE_ADDRESS_P): New.
20333
20334         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20335         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
20336         Remove.
20337         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
20338         Make static.
20339         (TARGET_LEGITIMATE_ADDRESS_P): New.
20340
20341         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20342         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
20343         Remove.
20344         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
20345         Rename to...
20346         (m68hc11_legitimate_address_p): ... this, make static.
20347         (go_if_legitimate_address_internal): Rename to...
20348         (m68hc11_legitimate_address_p_1): ... this.
20349         (legitimize_address): Adjust call.
20350         (TARGET_LEGITIMATE_ADDRESS_P): New.
20351
20352         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20353         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
20354         * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
20355         (TARGET_LEGITIMATE_ADDRESS_P): New.
20356
20357         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20358         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
20359         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
20360         (mn10300_legitimate_address_p): ... this, make static.
20361         (TARGET_LEGITIMATE_ADDRESS_P): New.
20362
20363         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20364         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
20365         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
20366         (TARGET_LEGITIMATE_ADDRESS_P): New.
20367
20368         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20369         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
20370         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
20371         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20372         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
20373         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
20374         (rs6000_legitimate_address_p): ... this, make static.
20375         (TARGET_LEGITIMATE_ADDRESS_P): New.
20376         (REG_MODE_OK_FOR_BASE_P): Delete.
20377         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
20378
20379         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20380         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
20381         Delete.
20382         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
20383         static, adjust types.
20384         (TARGET_LEGITIMATE_ADDRESS_P): New.
20385
20386         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20387         * config/score/score.c (score_address_p): Rename to...
20388         (score_legitimate_address_p): ... this.
20389         (TARGET_LEGITIMATE_ADDRESS_P): New.
20390         * config/score/score3.c (score3_address_p): Rename to...
20391         (score3_legitimate_address_p): ... this.
20392         * config/score/score7.c (score7_address_p): Rename to...
20393         (score7_legitimate_address_p): ... this.
20394
20395         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
20396         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
20397         GO_IF_LEGITIMATE_ADDRESS): Delete.
20398         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
20399         thumb2_legitimate_address_p): Delete.
20400         (arm_legitimate_address_p): Rename to...
20401         (arm_legitimate_address_outer_p): ... this.
20402         * config/arm/constraints.md ("Uq"): Adjust call.
20403         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
20404         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one
20405         to...
20406         (arm_legitimate_address_outer_p): ... this.
20407         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make
20408         static.
20409         (TARGET_LEGITIMATE_ADDRESS_P): New.
20410
20411         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20412         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
20413         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
20414         (TARGET_LEGITIMATE_ADDRESS_P): New.
20415
20416         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20417         * config/vax/vax-protos.h (legitimate_address_p): Remove.
20418         * config/vax/vax.c (legitimate_address_p): Rename to...
20419         (vax_legitimate_address_p): ... this, make static.
20420         (TARGET_LEGITIMATE_ADDRESS_P): New.
20421
20422         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20423         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
20424         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
20425         (TARGET_LEGITIMATE_ADDRESS_P): New.
20426
20427         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20428         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
20429         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
20430         (mmix_legitimate_address_p): ... this, make static.
20431         (TARGET_LEGITIMATE_ADDRESS_P): New.
20432
20433         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20434         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
20435         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
20436         (TARGET_LEGITIMATE_ADDRESS_P): New.
20437
20438 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
20439
20440         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
20441         of MODE_COMPLEX_INT.
20442
20443 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
20444
20445         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
20446         LCT_NORMAL in function call.
20447         * mips-tdump.c (print_file_desc): Add cast to enum type.
20448         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
20449         (mark_stabs): Add casts to enum types.
20450         (parse_stabs_common): Add casts to enum types.
20451
20452 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
20453
20454         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
20455         Check for invalid values of LETTER.
20456
20457 2009-05-13  Taras Glek  <tglek@mozilla.com>
20458
20459         * attribs.c (register_attribute): moved out attribute registration
20460         into register_attribute.
20461         * doc/plugins.texi: Documented register_attribute and
20462         PLUGIN_ATTRIBUTES.
20463         * gcc-plugin.h: Added forward decl for register_attribute.
20464         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
20465         * plugin.c (register_callback, invoke_plugin_callbacks): Added
20466         PLUGIN_ATTRIBUTES boilerplate.
20467
20468 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
20469
20470         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
20471         values even in sentinel and empty entries.
20472         (ms_printf_flag_specs):  Likewise.
20473         (ms_scanf_flag_specs):  Likewise.
20474         (ms_strftime_flag_specs):  Likewise.
20475         (ms_print_char_table):  Likewise.
20476         (ms_scan_char_table):  Likewise.
20477         (ms_time_char_table):  Likewise.
20478
20479 2009-05-13  Doug Kwan  <dougkwan@google.com>
20480
20481         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
20482
20483 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
20484
20485         * config/mips/mips.md (store): Add attributes for QI and HI.
20486         Update comment.
20487         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
20488         (truncdi<mode>2): ... this new pattern.
20489
20490 2009-05-13  Brad Hards  <bradh@kde.org>
20491
20492         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
20493
20494 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
20495             Ben Elliston <bje@au.ibm.com>
20496
20497         PR middle-end/40035
20498         * dse.c (check_mem_read_rtx): Guard against width == -1.
20499
20500 2009-05-13  Michael Matz  <matz@suse.de>
20501
20502         PR middle-end/39976
20503         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
20504         (trivially_conflicts_p): New function.
20505         (insert_backedge_copies): Use it.
20506
20507 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
20508
20509         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
20510         (handle_stdc_pragma): Use new enum constant names.
20511         (handle_pragma_float_const_decimal64): Ditto.
20512
20513 2009-05-13  Ian Lance Taylor  <iant@google.com>
20514
20515         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
20516         tree.def.
20517
20518 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
20519
20520         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
20521         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
20522         multilibs.
20523         * config/m68k/m68k.h (FL_UCLINUX): Define.
20524
20525 2009-05-13  Jan Hubicka  <jh@suse.cz>
20526
20527         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
20528
20529 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
20530
20531         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
20532         unless -fschedule-insns is specified.
20533
20534 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
20535
20536         PR target/39561
20537         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
20538         TARGET_EXPAND_CBRANCHDI4.
20539         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
20540         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
20541         (cmpeqdi): Fix comment.
20542
20543 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
20544
20545         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
20546         (sh_legitimate_address_p): Likewise.
20547         * config/sh/sh.c (sh_legitimate_index_p): New.
20548         (sh_legitimate_address_p): Likewise.
20549         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
20550         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
20551         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
20552         (MAYBE_BASE_REGISTER_RTX_P): New macro.
20553         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
20554         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
20555         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
20556         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
20557         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
20558
20559 2009-05-12  Jan Hubicka  <jh@suse.cz>
20560
20561         * tree-inline.c (estimate_operator_cost): Add operands;
20562         when division happens by constant, it is cheap.
20563         (estimate_num_insns): Loads and stores are not having cost of 0;
20564         EH magic stuff is cheap; when computing runtime cost of switch,
20565         use log2 base of amount of its cases; builtin_expect has cost of 0;
20566         compute cost for moving return value of call.
20567         (init_inline_once): Initialize time_based flags.
20568         * tree-inline.h (eni_weights_d): Add time_based flag.
20569
20570 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
20571
20572         * df-core.c: Update head documentation.
20573
20574 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
20575
20576         PR bootstrap/40118
20577         * rs6000.c (rs6000_generate_compare): Use op1b instead of
20578         shadowing exisiting variable op1.
20579
20580 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
20581
20582         PR target/37179
20583         * config/i386/driver-i386.c (processor_signatures): New enum.
20584         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
20585         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
20586         processor signature to detect geode processor.
20587
20588 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
20589
20590         Revert:
20591
20592         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
20593
20594         * optabs.c (prepare_cmp_insn): Temporarily disable test that
20595         causes spurious differences between trunk and cond-optab branch.
20596
20597 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
20598
20599         * dojump.c (compare_from_rtx): Delete.
20600         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
20601         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
20602         if the comparison does not satisfy the predicate; test predicates for
20603         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
20604         further if one existing pattern fails.
20605         * expr.h (compare_from_rtx): Delete.
20606         (prepare_operand): Declare it.
20607         * optabs.c: Change "lib call" to "libcall" throughout.
20608         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
20609         HAVE_conditional_trap, emit_cmp_insn): Delete.
20610         (can_compare_p): Delete cmp_optab case.
20611         (prepare_float_lib_cmp): Return an rtx and a machine mode.
20612         Accept other parameters by value.
20613         (prepare_operand): Make non-static.
20614         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
20615         other parameters by value.  Try to widen operands here based on
20616         an optab_methods argument and looking at cbranch_optab.
20617         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
20618         loop.  Use cbranch_optab directly.
20619         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
20620         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
20621         assertion.
20622         (emit_conditional_move, emit_conditional_add): Inline what's needed
20623         of compare_from_rtx, using new prepare_cmp_insn for the rest.
20624         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
20625         with COMPARE.  Move cmov_optab and cstore_optab above
20626         with cbranch_optab, move cmp_optab down with ucmp_optab,
20627         remove tst_otpab.  Do not initialize trap_rtx.
20628         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
20629         for trap code.  Do not check HAVE_conditional_trap.  Use
20630         prepare_cmp_insn.  Accept no predicate for operand 3.
20631         * optabs.h (OTI_cmp): Mark as used only for libcalls.
20632         (OTI_ctrap, ctrap_optab): New.
20633         (tst_optab): Delete.
20634         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
20635         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
20636         with lookup of ctrap_optab.
20637         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn, setcc_gen_code):
20638         Delete.
20639         (ctrap_optab): New.
20640
20641         * combine.c (combine_simplify_rtx, simplify_set): Do not
20642         special case comparing against zero for cc0 machines.
20643         * simplify-rtx.c (simplify_binary_operation_1): Never remove
20644         COMPARE on cc0 machines.
20645         (simplify_relational_operation): Return a new expression when
20646         a COMPARE could be removed.
20647         * final.c (final_scan_insn): Compare cc_status values
20648         against LHS of a (compare FOO (const_int 0)) cc0 source.
20649         Also check if cc_status.value is the full compare.
20650
20651         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
20652         (cstoreMM4): Document.
20653         (conditional_trap): Document ctrapMM4 instead.
20654         (sync_compare_and_swapMM): Refer to cbranchcc4.
20655         (Dependent Patterns): Eliminate obsolete information referring to
20656         the old jump optimization phase.
20657         (Canonicalization): Include cbranchcc4 case, omit canonicalization
20658         of compares with 0 on cc0 machines.
20659         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
20660         avoiding references to cc0.  Remove text about storing operands
20661         in cmpMM.
20662         * doc/tm.texi (Condition Codes): Include blurb on different
20663         condition code representations, separate into subsections for
20664         CC0, MODE_CC and conditional execution.
20665
20666         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
20667         alpha_emit_setcc): Accept operands and a machine mode.
20668         * config/alpha/alpha.c (alpha_emit_conditional_branch):
20669         Get code/op0/op1 from operands, use machine mode argument
20670         instead of alpha_compare.fp_p.  Emit the branch here.
20671         (alpha_emit_setcc): Likewise, and return boolean.
20672         (alpha_emit_conditional_move): Likewise.  Assert that
20673         cmp_op_mode == cmp_mode, and simplify accordingly.
20674         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
20675         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
20676         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
20677         Delete.
20678         (stack probe test): Use cbranchdi4.
20679         * config/alpha/predicates.md (alpha_cbranch_operator): New.
20680
20681         * config/arc/arc.c (gen_compare_reg): Do not emit cmp.
20682         * config/arc/arc.h (movsicc, movsfcc): Use it.
20683         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
20684         (cbranchsi4, cstoresi4): New.
20685         (cmpsi, bCC and sCC expanders): Remove.
20686
20687         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
20688         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
20689         * config/arm/predicates.md (arm_comparison_operator): Only include
20690         floating-point operators if there is a hardware floating-point unit.
20691         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
20692         deferring to cbranch_cc and cstore_cc respectively.
20693         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
20694         cbranch_cc, cstore_cc): New.
20695         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
20696         arm_compare_op1.
20697         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
20698
20699         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
20700         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
20701         as an argument.
20702         (adjust_insn_length): Adjust calls.
20703         (avr_reorg): Handle (compare (foo) (const_int 0)).
20704         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
20705         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
20706         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
20707         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
20708         (bCC): Remove.
20709         (cbranchqi4, cbranchhi4, cbranchsi4): New.
20710         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
20711
20712         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
20713         (cbranchsi4, cstorebi4, cstoresi4): New.
20714         (movbisi): This insn is duplicate, split it to zero_extend.
20715         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
20716         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
20717         (bfin_optimize_loop): Use cbranch expander.
20718         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
20719         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
20720         (bfin_bimode_comparison_operator): ... this.
20721         (bfin_direct_comparison_operator): New.
20722
20723         * config/cris/cris.c (cris_normal_notice_update_cc): Look
20724         inside (compare FOO (const_int 0)).
20725         (cris_rtx_costs): Handle ZERO_EXTRACT.
20726         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
20727         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
20728         (*tstdi_v32): Delete.
20729         (*cmpdi_non_v32): Add M alternative for operand 1.
20730         (cmpsi, cmp<mode>): Make private.
20731         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
20732         with COMPARE.
20733         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
20734
20735         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
20736         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
20737         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
20738         (cc_reg_operand): New.
20739         (any_cond): Delete.
20740         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
20741         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
20742         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
20743         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
20744         crx_expand_scond): Delete.
20745
20746         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
20747         (cbranchsi4): New.
20748         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
20749         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
20750
20751         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
20752         cstoresi4, cstoresf4, cstoredf4): New.
20753         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
20754         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
20755         Receive the entire operands array.
20756         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
20757         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
20758         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
20759         Get test/op0/op1 from the operands array.
20760         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
20761
20762         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
20763         (h8300_expand_store): New.
20764         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
20765         (const_int 0)).
20766         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
20767         (h8300_expand_store): New.
20768         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
20769         or do not try to produce (set (cc0) REG).
20770         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
20771         change a compare into a move to a scratch register.  Disable some
20772         peepholes when comparing with zero.
20773         (tstsi, tsthi, tstsi, cmpqi): Make private.
20774         (cmphi): Delete.
20775         (bCC, sCC): Delete.
20776         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
20777         cstoresi4): New.
20778
20779         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
20780         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
20781         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
20782         (ix86_emit_i387_log1p): Use cbranchxf2.
20783         (ix86_expand_setcc): Return void.
20784         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
20785         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
20786         cmp<MODEF>, cmpcc): Remove.
20787         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
20788         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
20789         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
20790         (sCC and bCC expanders): Remove.
20791         (stack_protect_test): Use cbranchcc4.
20792
20793         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
20794         Delete.
20795         (ia64_expand_compare): Accept three rtx by reference and return void.
20796         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
20797         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
20798         from *expr.  Update *expr with the BImode comparison to do.
20799         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
20800         cmptf, bCC, sCC, conditional_trap): Delete.
20801         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4,
20802         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
20803         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
20804         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
20805         * config/ia64/predicates.md (ia64_cbranch_operator): New.
20806
20807         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
20808         type of last argument.
20809         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
20810         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
20811         use machine mode argument instead of branch_type.  Remove dead
20812         code for floating-point comparisons.
20813         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
20814         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
20815         Remove.
20816         (cbranchsi4, cstoresi4): New.
20817         * config/iq2000/predicates.md (reg_or_const_operand): New.
20818
20819         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
20820         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
20821         (b<code>_op): Rewrite to...
20822         (bcc_op): ... this, using match_operator.
20823         (s<code>_op): Rewrite to...
20824         (scc_op): ... this, using match_operator.
20825         (s<code>_24_op): Rewrite to...
20826         (scc_op_24): ... this, using match_operator.
20827         (s<code>_<mode>): Rewrite to...
20828         (cstore<mode>4): ... this, using match_operator.
20829         (s<code>_<mode>_24): Rewrite to...
20830         (cstore<mode>4_24): ... this, using match_operator.
20831         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
20832         m32c_unpend_compare, m32c_expand_scc): Delete.
20833         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
20834         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
20835         (m32c_expand_movcc): Change NE to EQ if necessary.
20836         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
20837
20838         * config/m32r/m32r-protos.h (gen_cond_store): New.
20839         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
20840         (gen_cond_store): New, from sCC patterns.
20841         (m32r_expand_block_move): Use cbranchsi4.
20842         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
20843         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
20844         (cbranchsi4, cstoresi4): New.
20845
20846         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
20847         Delete.
20848         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
20849         (m68hc11_notice_update_cc): Look into a compare with 0.
20850         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
20851         Delete.
20852         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
20853         cmphi, cmpqi, bCC): Delete.
20854         (cbranchsi4, cbranchhi4, cbranchqi4): New.
20855         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
20856         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
20857         sets with COMPARE.
20858
20859         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
20860         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
20861         * config/m68k/constraints.md (H): New.
20862         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
20863         the define_insn below.
20864         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
20865         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
20866         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
20867         patterns): Wrap RHS with COMPARE.
20868         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
20869         (*cmpdi_internal): Name this pattern.
20870         (cmpdi): Change to define_insn.
20871         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
20872         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
20873         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
20874         predicate.
20875         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
20876         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
20877         (conditional_trap): Change to...
20878         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
20879         (*conditional_trap): Use the ordered_comparison_operator and
20880         const1_operand predicates.
20881         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
20882         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
20883         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
20884         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
20885
20886         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
20887         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
20888         (mcore_gen_compare): New.
20889         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
20890         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
20891         (mcore_gen_compare): ... this.
20892         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
20893         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
20894         (stack probe pattern): Use cbranchsi4.
20895
20896         * config/mips/predicates.md (mips_cstore_operator): New.
20897         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
20898         * config/mips/mips.md (any_cond): Delete.
20899         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
20900         always succeed.
20901         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
20902         fixuns_truncsfdi2): Use cbranch patterns.
20903         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete.
20904         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
20905         Adjust call to mips_expand_conditional_branch.
20906         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
20907         cstore<GPR:mode>4.
20908         * config/mips/mips-protos.h (mips_expand_conditional_branch,
20909         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
20910         * config/mips/mips.c (cmp_operands): Delete.
20911         (mips_emit_compare): Get comparison operands from *op0/*op1.
20912         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
20913         that it succeeds.  Use op0/op1 instead of cmp_operands.
20914         (mips_expand_conditional_branch, mips_expand_conditional_move,
20915         mips_expand_conditional_trap): Likewise.
20916         (mips_block_move_loop): Use cbranch patterns.
20917         * config/mips/mips.h (cmp_operands): Delete.
20918
20919         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
20920         (mmix_gen_compare_reg): Just return a register in the right CC mode.
20921         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
20922         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
20923         (*cmpcc_folded): Rename to...
20924         (*cmpdi_folded): this.
20925         (*cmpcc): Rename to...
20926         (*cmps): ... this.
20927         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
20928         (bCC): Remove.
20929         (cbranchdi4): New.
20930         (cbranchdf4): New.  Handle invalid comparisons here.
20931         * config/mmix/predicates.md (float_comparison_operator): New.
20932
20933         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
20934         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
20935         * config/mn10300/mn10300.md (tst): Delete.
20936         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
20937         Name these patterns and wrap RHS in a compare.
20938         (*cmpsi): Make this pattern private.  Include tst.
20939         (*cmpsf): Make this pattern private.
20940         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
20941         (compare with zero peepholes): Likewise.
20942         (bCC): Remove.
20943         (cbranchsi4, cbranchsf4): New.
20944         (casesi): Use cbranchsi4.
20945
20946         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
20947         hppa_branch_type): Delete.
20948         (return_addr_rtx): Use cbranchsi4.
20949         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
20950         Emit CCFPmode comparison here.
20951         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
20952         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
20953         hppa_branch_type): Delete.
20954         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
20955         (movsicc, movdicc): Remove references to hppa_compare_op0,
20956         hppa_compare_op1 and compare_from_rtx.
20957         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
20958         (casesi): Use cbranchsi4.
20959
20960         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
20961         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
20962         * config/pdp11/pdp11.md (register_or_const0_operand): New.
20963         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
20964         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
20965         (bCC): Delete.
20966         (cbranchdf4, cbranchhi4, cbranchqi4): New.
20967         (*branch, *branch_inverted): New.
20968
20969         * config/picochip/picochip.md (cbranchhi4): Use
20970         ordered_comparison_operator.
20971         (cmphi, bCC): Remove.
20972
20973         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
20974         (trap_comparison_operator): Delete.
20975         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
20976         rs6000_emit_cbranch): Accept mode and operands.
20977         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
20978         rs6000_compare_fp_p): Delete.
20979         (rs6000_generate_compare): Accept mode and comparison.  Extract code
20980         and op0/op1 from there.  Replace references to rs6000_compare_op0
20981         and rs6000_compare_op1.
20982         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
20983         extract result from passed operands.
20984         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
20985         extract loc from passed operands.
20986         (rs6000_emit_cmove): Likewise.
20987         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
20988         rs6000_compare_fp_p): Delete.
20989         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
20990         (cbranch<GPR>4, cbranch<FP>4): New.
20991         (cstore<mode>4): New.  Consolidate here all choices about when to use
20992         portable or specialized sCC sequences.
20993         (stack_protect_test): Use cbranchsi4.
20994         (conditional_trap): Replace with ctrap<GPR>4.
20995         (conditional trap insn): Replace trap_comparison_operator with
20996         ordered_comparison_operator.
20997
20998         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
20999         (s390_emit_prologue): Use ctrap.
21000         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
21001         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
21002         New predicates replacing...
21003         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
21004         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
21005         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
21006         (add<mode>cc): Do not use s390_compare_op0/op1.
21007         (s<code>): Change to...
21008         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
21009         (seq): Change to...
21010         (cstorecc4): ... this.  Handle EQ or NE equally.
21011         (*sne): Un-privatize for use in cstorecc4.
21012         (b<code>): Change to...
21013         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
21014         (conditional_trap): Replace with...
21015         (ctrap<GPR>4, ctrap<FP>4): ... these.
21016         (stack_protect): Use cbranchcc4.
21017
21018         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
21019         * config/score/score-protos.h (score_gen_cmp): Delete.
21020         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
21021         (score_block_move-loop): Use cbranchsi4.
21022         * config/score/score.md (cbranchsi4): New.
21023         (cmpsi, bCC): Delete.
21024         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
21025         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
21026         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
21027         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
21028         * config/score/score3.h (score3_gen_cmp): Delete.
21029         * config/score/score7.h (score7_gen_cmp): Delete.
21030
21031         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
21032         (sh_emit_scc_to_t): ... this.  Return void.
21033         (from_compare): Rename to...
21034         (sh_emit_compare_and_branch): ... this.
21035         (sh_emit_compare_and_set): New.
21036         (sh_expand_t_scc): Accept operands.
21037         * config/sh/predicates.md (sh_float_comparison_operator): New.
21038         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
21039         (prepare_scc_operands): Rename to...
21040         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
21041         arguments.
21042         (sh_emit_cheap_store_flag): New.
21043         (sh_emit_set_t_insn): New.
21044         (from_compare): Rename to...
21045         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
21046         handling of TARGET_SH2E floating point to avoid recursive call.
21047         Generate branch here.
21048         (sh_emit_compare_and_set): New.
21049         (sh_expand_t_scc): Get op0/op1 from arguments.
21050         (sh_emit_cheap_store_flag): New.
21051         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
21052         cases.
21053         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
21054         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
21055         (movsicc, movdicc): Do nothing when it recreated operands from
21056         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
21057         prepare_scc_operands (now sh_emit_scc_to_t).
21058         (udivdi3): Use cstoresi4.
21059         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
21060         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
21061         (cbranchint4_media, cbranchfp4_media): New.
21062         (casesi): Use cbranchdi4.
21063         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
21064         Delete.
21065         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
21066         (movnegt): Remove second operand.
21067         (cbranchsf4, cbranchdf4): New.
21068         (stack_protect): Use cbranchdi4/cbranchsi4.
21069
21070         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
21071         (gen_compare_reg): Accept comparison, extract part of it to...
21072         (gen_compare_reg_1): ... this.
21073         (gen_compare_operator): Delete.
21074         (gen_v9_scc): Accept separate destination, comparison code and arms.
21075         Do not use sparc_compare_op0/sparc_compare_op1.
21076         (emit_scc_insn, emit_conditional_branch_insn): New.
21077         (emit_v9_brxx): Make static.  Remove useless assertion.
21078         (sparc_emit_float_lib_cmp): Return RTL instead of calling
21079         emit_cmp_insn.
21080         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
21081         * config/sparc/sparc-protos.h (gen_compare_reg,
21082         sparc_emit_float_lib_cmp): Adjust prototype.
21083         (emit_scc_insn, emit_conditional_branch_insn): New.
21084         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
21085         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
21086         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
21087         iterators to the top.
21088         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
21089         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
21090         snedi_special_trunc): Delete.
21091         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
21092         and snedi_special_trunc.
21093         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
21094         cbranchdi4, cbranch<F:mode>4): New.
21095         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
21096         here.  Use gen_compare_reg instead of gen_compare_operator.
21097         (conditional_trap): Replace with...
21098         (ctrapsi4, ctrapdi4): ... this.
21099         (stack_protect_test): Use cbranchcc4.
21100
21101         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
21102         argument to rtx.
21103         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove.
21104         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
21105         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
21106         from operands[0] or operands[3] depending on is_set.
21107         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
21108         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
21109         cmpdf, bCC), sCC: Remove.
21110         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4,
21111         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
21112         cstoredf4): New.
21113         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
21114         spu_emit_branch_or_set.
21115
21116         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
21117         Add two arguments.
21118         * config/stormy16/stormy16.h (xstormy16_compare_op0,
21119         xstormy16_compare_op1): Delete.
21120         * config/stormy16/stormy16.c (xstormy16_compare_op0,
21121         xstormy16_compare_op1): Delete.
21122         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
21123         Adjust calls.
21124         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
21125         (cmphi, cmpsi, bCC): Remove.
21126
21127         * config/v850/v850.md (tstsi, cmpsi): Fold into...
21128         (*cmpsi): ... this one.
21129         (cbranchsi4, cstoresi4): New.
21130         (bCC expanders): Delete.
21131         (sCC insns): Fold into...
21132         (*setcc): ... this one.
21133         (casesi): Do not use gen_cmpsi and gen_bgtu.
21134         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
21135         (movsicc): Simplify.
21136         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
21137
21138         * config/vax/vax-protos.h (cond_name): New.
21139         (vax_output_conditional_branch): Remove.
21140         * config/vax/vax.c (cond_name): New.
21141         (vax_output_conditional_branch): Remove.
21142         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
21143         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
21144         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
21145         (bit<VAXint>): Wrap source with (compare).
21146         (b<code> and following unnamed pattern): Rename to *branch and
21147         *branch_reversed.  Change macroization to match_operator.
21148         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
21149
21150         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
21151         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
21152         Change last argument to machine_mode.
21153         (xtensa_expand_scc): Add machine_mode argument.
21154         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
21155         (gen_conditional_move, xtensa_expand_conditional_branch,
21156         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
21157         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
21158         Adjust operand numbers.
21159         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
21160         Delete.
21161         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
21162         (cmpsi, cmpsf, b<code>, s<code>): Delete.
21163         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
21164
21165 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
21166
21167         * optabs.c (prepare_cmp_insn): Temporarily disable test that
21168         causes spurious differences between trunk and cond-optab branch.
21169
21170 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
21171
21172         PR target/37137
21173         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
21174
21175 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
21176
21177         * tree.c (iterative_hash_pointer): Delete.
21178         (iterative_hash_expr): Short-circuit handling of NULL pointer.
21179         Hash UIDs and versions of SSA names.  Don't special-case built-in
21180         function declarations.
21181
21182 2009-05-11  Ian Lance Taylor  <iant@google.com>
21183
21184         PR bootstrap/40103
21185         * graphite.c: Force -Wc++-compat to only be a warning before
21186         #including "cloog/cloog.h".
21187
21188 2009-05-11  Martin Jambor  <mjambor@suse.cz>
21189
21190         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
21191
21192 2009-05-11  Jan Hubicka  <jh@suse.cz>
21193
21194         * tree-ssa-loop-ivcanon.c: Include target.h
21195         (struct loop_size): new structure.
21196         (constant_after_peeling): New predicate.
21197         (tree_estimate_loop_size): New function.
21198         (estimated_unrolled_size): Rewrite for new estimates.
21199         (try_unroll_loop_completely): Use new estimates.
21200         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
21201
21202 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
21203
21204         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
21205         libcpp interface change.
21206         (spu_macro_to_expand): Likewise.
21207
21208 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
21209
21210         PR tree-optimization/40026
21211         * gimplify.c (gimplify_init_constructor): Change initial conditional
21212         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
21213         optimize_compound_literals_in_ctor.
21214
21215 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
21216
21217         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
21218         New devices.
21219         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
21220
21221 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
21222
21223         * tree-vect-data-refs.c (vect_analyze_group_access): Use
21224         HOST_WIDE_INT for gap.
21225
21226 2009-05-11  Ira Rosen  <irar@il.ibm.com>
21227
21228         PR tree-optimization/40074
21229         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
21230         account in group size and step comparison.
21231
21232 2009-05-11  Richard Guenther  <rguenther@suse.de>
21233
21234         * passes.c (init_optimization_passes): Strip now incorrect comment.
21235         (execute_function_todo): Do not set PROP_alias.
21236         * tree-pass.h (PROP_alias): Remove.
21237         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
21238         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
21239         * tree-nrv.c (pass_return_slot): Likewise.
21240         * tree-object-size.c (pass_object_sizes): Likewise.
21241         * tree-ssa-dom.c (pass_dominator): Likewise.
21242         (pass_phi_only_cprop): Likewise.
21243         * tree-ssa-dse.c (pass_dse): Likewise.
21244         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
21245         (pass_cselim): Likewise.
21246         * tree-ssa-pre.c (pass_pre): Likewise.
21247         (pass_fre): Likewise.
21248         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
21249         * tree-ssa-sink.c (pass_sink_code): Likewise.
21250         * tree-stdarg.c (pass_stdarg): Likewise.
21251         * tree-tailcall.c (pass_tail_calls): Likewise.
21252         * tree-vrp.c (pass_vrp): Likewise.
21253
21254 2009-05-10  Ian Lance Taylor  <iant@google.com>
21255
21256         * basic-block.h (enum profile_status): Break out of struct
21257         control_flow_graph.
21258         * cgraph.h (struct inline_summary): Break out of struct
21259         cgraph_local_info.
21260         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
21261         of struct cgraph_order_sort.
21262         * combine.c (enum undo_kind): New enum, broken out of struct undo.
21263         * cse.c (struct branch_path): Break out of struct
21264         cse_basic_block_data.
21265         * except.h (enum eh_region_type): Break out of struct eh_region.
21266         * gcc.c (enum add_del): Break out of struct modify_target.
21267         * genrecog.c (enum decision_type): Break out of struct decision_test.
21268         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
21269         ggc_pch_data.
21270         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
21271         * regmove.c (enum match_use): New enum, broken out of struct match.
21272         * sched-int.h (enum post_call_group): New enum, broken out of
21273         struct deps.
21274         (struct deps_reg): Break out of struct deps.
21275         * target.h (struct asm_int_op): Break out of struct gcc_target.
21276         * tree-eh.c (struct goto_queue_node): Break out of struct
21277         leh_tf_state.
21278         * tree-inline.h (enum copy_body_cge_which): Break out of
21279         copy_body_data.
21280         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
21281
21282         * c-decl.c (in_struct, struct_types): New static variables.
21283         (pushtag): Add loc parameter.  Change all callers.
21284         (lookup_tag): Add ploc parameter.  Change all callers.
21285         (check_compound_literal_type): New function.
21286         (parser_xref_tag): Add loc parameter.  Change all callers.  If
21287         -Wc++-compat, warn about struct/union/enum types defined within a
21288         struct or union.
21289         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
21290         and loc parameters.  Change all callers.  Change error calls to
21291         error_at, using loc.  For a redefinition, if the location of the
21292         original definition is known, report it.  Set in_struct and
21293         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
21294         (finish_struct): Add new parameters enclosing_in_struct and
21295         enclosing_struct_types.  Change all callers.  Set
21296         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
21297         in the struct.  If in a struct, add this struct to struct_types.
21298         (start_enum): Add loc parameter.  Change all callers.  Use
21299         error_at for errors, using loc.  For a redefinition, if the
21300         location of the original definition is known, report it.  If in a
21301         struct, add this enum type to struct_types.  If -Wc++-compat warn
21302         if in sizeof, typeof, or alignof.
21303         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
21304         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
21305         (c_parser_enum_specifier): Get enum location for start_enum.
21306         (c_parser_struct_or_union_specifier): Get struct location for
21307         start_struct.  Save in_struct and struct_types status between
21308         start_struct and finish_struct.
21309         (c_parser_cast_expression): Get location of cast.
21310         (c_parser_alignof_expression): Get location of type.
21311         (c_parser_postfix_expression): Likewise.
21312         (c_parser_postfix_expression_after_paren_type): Add type_loc
21313         parameter.  Change all callers.  Call check_compound_literal_type.
21314         Use type_loc for error about variable size type.
21315         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
21316         of an enum constant from an enum type defined in a struct or union.
21317         (c_cast_expr): Add loc parameter.  Change all callers.  If
21318         -Wc++-compat, warn about defining a type in a cast.
21319         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
21320         (start_enum, start_struct, finish_struct): Update declarations.
21321         (parser_xref_tag, c_cast_expr): Update declarations.
21322         (check_compound_literal_type): Declare.
21323
21324 2009-05-11  Ben Elliston  <bje@au.ibm.com>
21325
21326         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
21327         for recent libcpp interface change.
21328         (rs6000_macro_to_expand): Likewise.
21329
21330 2009-05-10  Michael Matz  <matz@suse.de>
21331
21332         PR target/40031
21333         * config/arm/arm.c (require_pic_register): Emit on entry edge,
21334         not at entry of function.
21335
21336 2009-05-10  Richard Guenther  <rguenther@suse.de>
21337
21338         PR tree-optimization/40081
21339         Revert
21340         * tree-sra.c (instantiate_element): Instantiate scalar replacements
21341         using the main variant of the element type.  Do not fiddle with
21342         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
21343
21344         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
21345         structs with volatile fields.
21346
21347 2009-05-10  Jan Hubicka  <jh@suse.cz>
21348
21349         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
21350         (estimate_move_cost): Assert that it does not get called for
21351         VOID_TYPE_P.
21352         (estimate_num_insns): Skip VOID types in argument handling.
21353         (optimize_inline_calls): Delete unreachable blocks and verify that
21354         callgraph is valid.
21355
21356 2009-05-10  Jan Hubicka  <jh@suse.cz>
21357
21358         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
21359         * cgraph.c (cgraph_mark_address_taken_node): New function.
21360         (dump_cgraph_node): Dump new flag.
21361         * cgraph.h (struct cgraph_node): Add address_taken.
21362         (cgraph_mark_address_taken_node): New function.
21363         * ipa.c (cgraph_postorder): Prioritize functions with address taken
21364         since new direct calls can be born.
21365
21366 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
21367
21368         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
21369         tok->val.node.node.
21370
21371 2009-05-10  Jan Hubicka  <jh@suse.cz>
21372
21373         PR middle-end/40084
21374         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
21375         argument; rewrite.
21376         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
21377         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
21378         * tree-inline.c (copy_bb): Set frequency correctly.
21379         (fold_marked_statements): Update call to
21380         cgraph_update_edges_for_call_stmt.
21381
21382 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
21383
21384         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
21385         identifiers in diagnostics.
21386         * config/arm/arm.c (arm_handle_fndecl_attribute,
21387         arm_handle_isr_attribute): Likewise.
21388         * config/avr/avr.c (avr_handle_progmem_attribute,
21389         avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
21390         * config/bfin/bfin.c (handle_int_attribute,
21391         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
21392         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
21393         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
21394         Likewise.
21395         * config/darwin.c (darwin_handle_kext_attribute,
21396         darwin_handle_weak_import_attribute): Likewise.
21397         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
21398         h8300_handle_eightbit_data_attribute,
21399         h8300_handle_tiny_data_attribute): Likewise.
21400         * config/i386/i386.c (ix86_handle_cconv_attribute,
21401         ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
21402         * config/i386/winnt.c (ix86_handle_shared_attribute,
21403         ix86_handle_selectany_attribute): Likewise.
21404         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
21405         * config/m32c/m32c.c (function_vector_handler): Likewise.
21406         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
21407         m68hc11_handle_fntype_attribute): Likewise.
21408         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
21409         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
21410         * config/mips/mips.c (mips_insert_attributes,
21411         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
21412         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
21413         rs6000_handle_struct_attribute): Likewise.
21414         * config/sh/sh.c (sh_insert_attributes,
21415         sh_handle_resbank_handler_attribute,
21416         sh_handle_interrupt_handler_attribute,
21417         sh2a_handle_function_vector_handler_attribute,
21418         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
21419         Likewise.
21420         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
21421         * config/spu/spu.c (spu_handle_fndecl_attribute,
21422         spu_handle_vector_attribute): Likewise.
21423         * config/stormy16/stormy16.c
21424         (xstormy16_handle_interrupt_attribute): Likewise.
21425         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
21426         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
21427
21428 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
21429
21430         * pretty-print.h (struct pretty_print_info): Add translate_identifiers.
21431         (pp_translate_identifiers): New.
21432         (pp_identifier): Only conditionally translate identifier to locale
21433         character set.
21434         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
21435         (pp_base_tree_identifier): Only conditionally translate identifier
21436         to locale character set.
21437         * c-pretty-print.c (M_): Define.
21438         (pp_c_type_specifier, pp_c_primary_expression): Mark English
21439         fragments for conditional translation with M_.
21440         * tree-pretty-print.c (maybe_init_pretty_print): Disable
21441         identifier translation.
21442
21443 2009-05-10  Richard Guenther  <rguenther@suse.de>
21444
21445         PR tree-optimization/40081
21446         * tree-sra.c (instantiate_element): Instantiate scalar replacements
21447         using the main variant of the element type.  Do not fiddle with
21448         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
21449
21450 2009-05-09  Jan Hubicka  <jh@suse.cz>
21451
21452         PR middle-end/40080
21453         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
21454         indirect calls; verify cgraph afterwards.
21455
21456 2009-05-09  Jan Hubicka  <jh@suse.cz>
21457
21458         PR bootstrap/40082
21459         * ipa.c (update_inlined_to_pointer): New function.
21460         (cgraph_remove_unreachable_nodes): Use it.
21461
21462 2009-05-09  Jan Hubicka  <jh@suse.cz>
21463
21464         * tree-eh.c (struct leh_state): Remove prev_try.
21465         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
21466         not track prev_try.
21467         * except.c (gen_eh_region_cleanup, duplicate_eh_regions,
21468         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
21469         remove_eh_handler_and_replace, foreach_reachable_handler,
21470         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
21471         * except.h (struct eh_region): Remove eh_region_u_cleanup.
21472         (gen_eh_region_cleanup): Update prototype.
21473
21474 2009-05-09  Jan Hubicka  <jh@suse.cz>
21475
21476         PR middle-end/40043
21477         * except.c (copy_eh_region): Always set prev_try.
21478         (redirect_eh_edge_to_label): Find outer try.
21479         (foreach_reachable_handler): When looking for prev try
21480         handle case where previous try is not going to be taken.
21481
21482 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
21483
21484         PR tree-optimization/40049
21485         * tree-vect-stmts.c (vectorizable_operation): If the machine has
21486         only vector/vector shifts, convert the type of the constant to the
21487         appropriate type to avoid building incorrect trees, which
21488         eventually have problems with garbage collection.
21489
21490 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
21491
21492         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
21493         -1 for complex floating-point types if honoring signed zeros.
21494
21495 2009-05-08  Jan Hubicka  <jh@suse.cz>
21496
21497         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
21498         argument; handle correctly when profile is absent.
21499         (build_cgraph_edges): Update.
21500         (rebuild_cgraph_edges): Update.
21501         * cgraph.c: Do not include varray.h.
21502         (cgraph_set_call_stmt_including_clones): New function.
21503         (cgraph_create_edge_including_clones): Likewise
21504         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
21505         (cgraph_update_edges_for_call_stmt): Handle clones.
21506         (cgraph_remove_node): Handle clone tree.
21507         (cgraph_remove_node_and_inline_clones): New function.
21508         (dump_cgraph_node): Dump clone tree.
21509         (cgraph_clone_node): Handle clone tree.
21510         (clone_function_name): Bring here from tree-inline.c.
21511         (cgraph_create_virtual_clone): New function.
21512         * cgraph.h (ipa_replace_map): Move here from ipa.h.
21513         (cgraph_clone_info): New function.
21514         (strut cgraph_node): Add clone_info and new clone tree pointers.
21515         (cgraph_remove_node_and_inline_clones,
21516         cgraph_set_call_stmt_including_clones,
21517         cgraph_create_edge_including_clones,
21518         cgraph_create_virtual_clone): Declare.
21519         (cgraph_function_versioning): Use VEC argument.
21520         (compute_call_stmt_bb_frequency): Update prototype.
21521         (cgraph_materialize_all_clones): New function.
21522         * ipa-cp.c (ipcp_update_cloned_node): Remove.
21523         (ipcp_create_replace_map): Update to VECtors.
21524         (ipcp_update_callgraph): Use virtual clones.
21525         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
21526         (ipcp_update_profiling): Do not update local profiling.
21527         (ipcp_insert_stage): Use VECtors and virtual clones.
21528         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
21529         (clone_of_p): New function.
21530         (cgraph_preserve_function_body_p): Use clone tree.
21531         (cgraph_optimize): Materialize clones.
21532         (cgraph_function_versioning): Update for VECtors.
21533         (save_inline_function_body): Use clone tree.
21534         (cgraph_materialize_clone): New function.
21535         (cgraph_materialize_all_clones): Likewise.
21536         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
21537         * ipa.c: Include gimple.h.
21538         (cgraph_remove_unreachable_nodes): Use clone tree.
21539         * ipa-prop.c (ipa_note_param_call): Update call to
21540         compute_call_stmt_bb_frequencycall.
21541         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
21542         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
21543         (copy_bb): Handle updating of clone tree; add new edge when new call
21544         appears.
21545         (expand_call_inline): Be strict about every call having edge.
21546         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
21547         (delete_unreachable_blocks_update_callgraph): New function.
21548         (tree_function_versioning): Use VECtors; always remove unreachable
21549         blocks and fold conditionals.
21550         * tree-inline.h: Do not include varray.h.
21551         (tree_function_versioning): Remove.
21552         * Makefile.in (GTFILES): Remove tree-inline.c
21553         * passes.c (do_per_function): Do only functions having body.
21554         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
21555         tree.
21556
21557 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
21558             Andrew Morrow  <acm@google.com>
21559
21560         PR c/36892
21561         * c-common.c (c_common_attribute_table): Permit deprecated
21562         attribute to take an optional argument.
21563         (handle_deprecated_attribute): If the optional argument to
21564         __attribute__((deprecated)) is not a string ignore the attribute
21565         and emit a warning.
21566
21567         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
21568         * c-typeck.c (build_component_ref): Likewise.
21569         (build_external_ref): Likewise.
21570
21571         * toplev.c (warn_deprecated_use): Add an attribute argument.
21572         Emit the message associated with __attribute__((deprecated)).
21573
21574         * toplev.h (warn_deprecated_use): Updated.
21575
21576         * doc/extend.texi: Document new optional parameter to
21577         __attribute__((deprecated))
21578
21579 2009-05-08  Michael Eager <eager@eagercon.com>
21580
21581         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
21582         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
21583
21584 2009-05-08  Richard Guenther  <rguenther@suse.de>
21585
21586         PR tree-optimization/40062
21587         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
21588         Avoid exponential behavior.
21589
21590 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
21591
21592         PR rtl-optimization/33928
21593         PR 26854
21594         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
21595         process_uses, build_single_def_use_links): New.
21596         (update_df): Update use_def_ref.
21597         (forward_propagate_into): Use get_def_for_use instead of use-def
21598         chains.
21599         (fwprop_init): Call build_single_def_use_links and let it initialize
21600         dataflow.
21601         (fwprop_done): Free use_def_ref.
21602         (fwprop_addr): Eliminate duplicate call to df_set_flags.
21603         * df-problems.c (df_rd_simulate_artificial_defs_at_top,
21604         df_rd_simulate_one_insn): New.
21605         (df_rd_bb_local_compute_process_def): Update head comment.
21606         (df_chain_create_bb): Use the new RD simulation functions.
21607         * df.h (df_rd_simulate_artificial_defs_at_top,
21608         df_rd_simulate_one_insn): New.
21609         * opts.c (decode_options): Enable fwprop at -O1.
21610         * doc/invoke.texi (-fforward-propagate): Document this.
21611
21612 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
21613
21614         PR c/24581
21615         * c-typeck.c (build_binary_op): Handle arithmetic between one real
21616         and one complex operand specially.
21617         * tree-complex.c (some_nonzerop): Do not identify a real value as
21618         zero if flag_signed_zeros.
21619
21620 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
21621
21622         PR rtl-optimization/33928
21623         * loop-invariant.c (record_use): Fix && vs. || mishap.
21624
21625 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
21626
21627         PR rtl-optimization/33928
21628         * loop-invariant.c (struct use): Add addr_use_p.
21629         (struct def): Add n_addr_uses.
21630         (struct invariant): Add cheap_address.
21631         (create_new_invariant): Set cheap_address.
21632         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
21633         (record_uses): Pass df_ref to record_use.
21634         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
21635         used only as such.
21636
21637 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
21638
21639         * config/sh/sh.c: Do not include c-pragma.h.
21640
21641 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
21642
21643         * config/spu/spu.c: Remove include of c-common.h.
21644
21645 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
21646
21647         PR c/39037
21648         * c-common.h (mark_valid_location_for_stdc_pragma,
21649         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
21650         clear_float_const_decimal64, float_const_decimal64_p): New.
21651         * c.opt (Wunsuffixed-float-constants): New.
21652         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
21653         unsuffixed float constant, handle new warning.
21654         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
21655         * c-decl.c (c_scope): New flag float_const_decimal64.
21656         (set_float_const_decimal64, clear_float_const_decimal64,
21657         float_const_decimal64_p): New.
21658         (push_scope): Set new flag.
21659         * c-parser.c (c_parser_translation_unit): Mark when it's valid
21660         to use STDC pragmas.
21661         (c_parser_external_declaration): Ditto.
21662         (c_parser_compound_statement_nostart): Ditto.
21663         * c-pragma.c (valid_location_for_stdc_pragma,
21664         mark_valid_location_for_stdc_pragma,
21665         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
21666         handle_pragma_float_const_decimal64): New.
21667         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
21668         * cp/semantics.c (valid_location_for_stdc_pragma_p,
21669         set_float_const_decimal64, clear_float_const_decimal64,
21670         float_const_decimal64_p): New dummy functions.
21671         * doc/extend.texi (Decimal Float): Remove statement that the
21672         pragma, and suffix for double constants, are not supported.
21673         * doc/invoke.texi (Warning Options): List new option.
21674         (-Wunsuffixed-float-constants): New.
21675
21676 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
21677
21678         * config/i386/i386.c: Do not include c-common.h.
21679
21680 2009-05-07  Mark Heffernan  <meheff@google.com>
21681
21682         * doc/invoke.texi (Debugging Options): Document change of debugging
21683         dump location.
21684         * opts.c (decode_options): Make dump_base_name relative to
21685         aux_base_name directory.
21686
21687 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
21688
21689         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
21690         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
21691
21692 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
21693
21694         * Makefile.in (install-plugin): Simplify a bit.
21695
21696 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
21697
21698         * Makefile.in (OBJS-common): Add regcprop.o.
21699         (regcprop.o): New.
21700         * timevar.def (TV_CPROP_REGISTERS): New.
21701         * regrename.c (regrename_optimize): Return 0.
21702         (rest_of_handle_regrename): Delete.
21703         (pass_rename_registers): Point to regrename_optimize.
21704         (struct value_data_entry, struct value_data,
21705         kill_value_one_regno, kill_value_regno, kill_value,
21706         set_value_regno, init_value_data, kill_clobbered_value,
21707         kill_set_value, kill_autoinc_value, copy_value,
21708         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
21709         replace_oldest_value_reg, replace_oldest_value_addr,
21710         replace_oldest_value_mem, copyprop_hardreg_forward_1,
21711         debug_value_data, validate_value_data): Move...
21712         * regcprop.c: ... here.
21713         (rest_of_handle_cprop): Delete.
21714         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
21715
21716 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
21717
21718         PR middle-end/40057
21719         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
21720         GEN_INT for 1 << bitnum.
21721         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
21722         build_int_cst_type.
21723
21724 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
21725
21726         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
21727         Remove wrong description of "nand" operation.
21728
21729 2009-05-06  Richard Guenther  <rguenther@suse.de>
21730             Adam Nemet  <anemet@caviumnetworks.com>
21731
21732         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
21733         comment.  Add that if LHS is not a gimple register, then RHS1 has
21734         to be a single object (GIMPLE_SINGLE_RHS).
21735
21736 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
21737
21738         * expr.c (get_def_for_expr): Move it up in the file.
21739         (store_field): When expanding a bit-field store, look at the
21740         defining gimple stmt for the masking conversion.
21741
21742 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
21743
21744         PR middle-end/39986
21745         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
21746         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
21747         32-bit memcpy into long.
21748
21749 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
21750
21751         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
21752         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
21753         new_reg_loc_descr.
21754         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
21755         instead of appending DW_OP_deref*.
21756
21757 2009-05-06  Michael Matz  <matz@suse.de>
21758
21759         PR middle-end/40021
21760         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
21761         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
21762
21763 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
21764
21765         * Makefile.in (install-plugin): Fix srcdir handling.
21766
21767 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
21768
21769         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
21770         when processing for not_regs_needed bitmap.
21771         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
21772         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while
21773         handling it for rhs.
21774
21775 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
21776
21777         * config/i386/i386.md (unnamed inc/dec peephole): Use
21778         optimize_insn_for_size_p instead of optimize_size.
21779         * config/i386/predicates.md (incdec_operand): Likewise.
21780         (aligned_operand): Likewise.
21781         * config/i386/sse.md (divv8sf3): Likewise.
21782         (sqrtv8sf2): Likewise.
21783
21784 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
21785
21786         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
21787
21788         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
21789
21790 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
21791
21792         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
21793         ssemodesuffixf2c with avxmodesuffixf2c.
21794
21795 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
21796
21797         PR c/40032
21798         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
21799
21800 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
21801
21802         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
21803         (struct tree_base): Adjust spacing for 8 bit boundaries.
21804         (struct tree_decl_common): Add decl_by_reference_flag bit.
21805         (DECL_BY_REFERENCE): Adjust.
21806         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
21807         print DECL_BY_REFERENCE bit.
21808         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
21809         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
21810         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
21811         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
21812         unconditionally.
21813
21814         PR middle-end/39666
21815         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
21816         range of the type, but default label is missing, add it with one
21817         of the existing labels instead of adding a new label for it.
21818
21819 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
21820
21821         * dwarf.h: Remove.
21822
21823 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
21824
21825         * Makefile.in (enable_plugin, plugin_includedir): New.
21826         (install): Depend on install-plugin.
21827         (PLUGIN_HEADERS): New.
21828         (install-plugin): New.
21829         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
21830
21831 2009-05-05  Richard Guenther  <rguenther@suse.de>
21832
21833         PR tree-optimization/40022
21834         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
21835         the only vuse.
21836         (phivn_valid_p): Fix tuplification error, simplify.
21837         (phiprop_insert_phi): Add dumps.
21838         (propagate_with_phi): Simplify.
21839
21840 2009-05-05  Richard Guenther  <rguenther@suse.de>
21841
21842         PR middle-end/40023
21843         * builtins.c (gimplify_va_arg_expr): Properly build the address.
21844
21845 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
21846
21847         * tree.h (strip_float_extensions): Remove duplicate declaration.
21848         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
21849         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
21850         block_ultimate_origin): Rearrange the declarations line to match the
21851         comment that indicates the .c file which the functions are defined.
21852         (dwarf2out_*, set_decl_rtl): Add comment.
21853         (get_base_address): Adjust comment.
21854         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
21855         declarations line and add comment.
21856         (is_builtin_name): Add blank after function name, for clarity.
21857
21858 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
21859
21860         * attribs.c (decl_attributes): Use %qE for identifiers in
21861         diagnostics.
21862         * cgraphunit.c (verify_cgraph_node): Translate function names to
21863         locale character set in diagnostics.
21864         * coverage.c (get_coverage_counts): Use %qE for identifiers in
21865         diagnostics.
21866         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
21867         Document that functions are named in UTF-8.
21868         * expr.c (expand_expr_real_1): Translate function names to locale
21869         character set in diagnostics.
21870         * gimplify.c (omp_notice_variable, omp_is_private,
21871         gimplify_scan_omp_clauses): Use %qE for identifiers in
21872         diagnostics.
21873         * langhooks.c (lhd_print_error_function): Translate function names
21874         to locale character set.
21875         * langhooks.h (decl_printable_name): Document that return value is
21876         in internal character set.
21877         * stmt.c: Include pretty-print.h
21878         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
21879         diagnostics.
21880         (resolve_operand_name_1): Translate named operand name to locale
21881         character set.
21882         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
21883         diagnostics.
21884         * toplev.c (announce_function): Translate function names to locale
21885         character set.
21886         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
21887         (default_tree_printer): Use pp_identifier or translate identifiers
21888         to locale character set.  Mark "<anonymous>" for translation.
21889         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
21890         for identifiers in diagnostics.
21891         * tree.c (handle_dll_attribute): Use %qE for identifiers in
21892         diagnostics.
21893         * varasm.c (output_constructor): Use %qE for identifiers in
21894         diagnostics.
21895
21896 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
21897
21898         * configure.ac: use ` ` instead of $()
21899         * configure: Regenerate.
21900
21901 2009-05-05  Ben Elliston  <bje@au.ibm.com>
21902
21903         * config/pa/linux-atomic.c: Eliminate conditional include of
21904         errno.h on non-LP64 systems to simplify build requirements.
21905
21906 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
21907
21908         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
21909         diagnostics.
21910         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
21911         and pass value to identifier_to_locale.
21912         (warn_variable_length_array): Make name a tree.
21913         (grokdeclarator): Separate diagnostic texts for named and unnamed
21914         declarators.  Use %qE for named declarators.
21915         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
21916         diagnostics.
21917         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
21918         identifiers in diagnostics.
21919         * c-typeck.c (push_member_name, start_init): Pass identifiers to
21920         identifier_to_locale.  Mark "anonymous" strings for translation.
21921
21922 2009-05-04  Michael Eager <eager@eagercon.com>
21923
21924         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
21925         address for DImode/DFmode only if double-precision FP regs.
21926
21927 2009-05-04  Michael Eager <eager@eagercon.com>
21928
21929         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
21930         TARGET_SINGLE_FLOAT check.
21931
21932 2009-05-04  Michael Eager <eager@eagercon.com>
21933
21934         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
21935
21936 2009-05-04  Michael Eager <eager@eagercon.com>
21937
21938         * gcc/config.gcc (powerpc-xilinx-eabi*): Add tm t-xilinx
21939         * config/rs6000/t-xilinx: New
21940
21941 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
21942
21943         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
21944         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
21945         * gcc/explow.c (memory_address): Use target hook.
21946         * gcc/targhooks.c (default_legitimize_address): New.
21947         * gcc/targhooks.h (default_legitimize_address): New.
21948         * gcc/target.h (legitimize_address): New.
21949         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
21950         (TARGET_INITIALIZER): Include it.
21951         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
21952
21953         * config/bfin/bfin-protos.h (legitimize_address): Remove.
21954         * config/bfin/bfin.c (legitimize_address): Remove.
21955         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
21956         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
21957         Remove.
21958         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
21959         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
21960
21961         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
21962         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
21963         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
21964         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
21965         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
21966         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
21967         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
21968         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
21969         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
21970         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
21971         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
21972         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
21973         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
21974         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
21975         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
21976         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
21977         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
21978         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
21979         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
21980         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
21981         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
21982         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
21983         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
21984
21985         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
21986         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
21987         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
21988         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
21989         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
21990         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
21991         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
21992         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
21993         (thumb_legitimize_address): Delete.
21994         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
21995         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
21996         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
21997         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
21998         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
21999         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
22000         Delete.
22001         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
22002         Delete.
22003
22004         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
22005         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
22006         * config/m32r/m32r.c (m32r_legitimize_address): New.
22007         * config/m68k/m68k.c (m68k_legitimize_address): New.
22008         * config/score/score.c (score_legitimize_address): Standardize.
22009         * config/score/score3.c (score3_legitimize_address): Standardize.
22010         * config/score/score3.h (score3_legitimize_address): Adjust.
22011         * config/score/score7.c (score7_legitimize_address): Standardize.
22012         * config/score/score7.h (score7_legitimize_address): Adjust.
22013         * config/sh/sh.c (sh_legitimize_address): New.
22014         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
22015
22016         * gcc/config/s390/s390.c (legitimize_address): Rename to...
22017         (s390_legitimize_address): ... this.
22018         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
22019         (sparc_legitimize_address): ... this.
22020         * gcc/config/i386/i386.c (legitimize_address): Rename to...
22021         (ix86_legitimize_address): ... this.
22022         * gcc/config/avr/avr.c (legitimize_address): Rename to...
22023         (avr_legitimize_address): ... this.
22024         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
22025         (mn10300_legitimize_address): ... this.
22026         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
22027         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
22028         (alpha_expand_mov): Adjust call.
22029
22030         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
22031         * config/spu/spu.c (spu_legitimize_address): Likewise.
22032         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
22033         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
22034
22035 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
22036
22037         * intl.c (locale_encoding, locale_utf8): New.
22038         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
22039         * intl.h (locale_encoding, locale_utf8): Declare.
22040         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
22041         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
22042         New.
22043         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
22044         argument.
22045         (pp_tree_identifier): Define to call pp_base_tree_identifier.
22046         (pp_base_tree_identifier): Declare as function.
22047         (identifier_to_locale): Declare.
22048         * Makefile.in (pretty-print.o): Update dependencies.
22049         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
22050
22051 2009-05-04  Richard Guenther  <rguenther@suse.de>
22052
22053         PR middle-end/40015
22054         * builtins.c (fold_builtin_memory_op): Do not decay to element
22055         type if the size matches the whole array.
22056
22057 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
22058
22059         * expmed.c (synth_mult): When trying out a shift, pass the result
22060         of a signed shift.
22061
22062 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
22063
22064         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
22065         (shiftsub1_cost): New.
22066         (init_expmed): Compute shiftsub1_cost.
22067         (synth_mult): Optimize multiplications by constants of the form
22068         -(2^^m-1) for some constant positive integer m.
22069
22070 2009-05-03  Richard Guenther  <rguenther@suse.de>
22071
22072         PR c/39983
22073         * c-typeck.c (array_to_pointer_conversion): Do not built
22074         ADDR_EXPRs of arrays of pointer-to-element type.
22075         * c-gimplify.c (c_gimplify_expr): Revert change fixing
22076         up wrong ADDR_EXPRs after-the-fact.
22077         * c-common.c (strict_aliasing_warning): Strip pointer
22078         conversions for obtaining the original type.
22079         * builtins.c (fold_builtin_memset): Handle array types.
22080         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
22081         and array types
22082
22083 2009-05-03  Richard Guenther  <rguenther@suse.de>
22084
22085         PR middle-end/23329
22086         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
22087         Do not lose casts from array types with unknown extent to array
22088         types with known extent.
22089         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
22090         alias set compatibility.
22091
22092 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
22093
22094         * flags.h (extra_warnings): Delete.
22095         * toplev.c (process_options): Handle Wuninitialized here.
22096         * opts.c (extra_warnings): Delete.
22097         (set_Wextra): Delete.
22098         (common_handle_option): -Wextra can be handled automatically.
22099         * c-opts.c (c_common_handle_option): Delete obsolete code.
22100         (c_common_post_options): Simplify comment.
22101         * common.opt (W): Add Var.
22102         (Wextra): Add Var.
22103         (Wuninitialized): Initialize to -1.
22104
22105 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
22106             Richard Guenther  <rguenther@suse.de>
22107
22108         * expr.c (get_def_for_expr): New function.
22109         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
22110         SSA rather than trees.
22111         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
22112         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
22113
22114 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
22115
22116         * c-common.c (reswords): Add _Imaginary.
22117         * c-common.c (enum rid): Add RID_IMAGINARY.
22118
22119 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
22120
22121         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
22122         Patch by Richard Guenther.
22123
22124 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
22125
22126         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
22127         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
22128         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
22129         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
22130         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
22131         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
22132         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
22133         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
22134         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
22135         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
22136         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
22137         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
22138         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
22139         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
22140         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
22141         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
22142         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
22143         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
22144
22145 2009-05-02  Richard Guenther  <rguenther@suse.de>
22146
22147         PR tree-optimization/39940
22148         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
22149         doing so.
22150
22151 2009-05-02  Richard Guenther  <rguenther@suse.de>
22152
22153         PR middle-end/40001
22154         * tree-ssa.c (execute_update_addresses_taken): Properly check
22155         if we can mark a variable DECL_GIMPLE_REG_P.
22156         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
22157         back to the end of the function.
22158         (is_gimple_reg_type): Remove complex type special casing.
22159         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
22160         if not optimizing.
22161
22162 2009-05-02  Ben Elliston  <bje@au.ibm.com>
22163
22164         * doc/collect2.texi (Collect2): Document search path behaviour
22165         when configured with --with-ld.
22166
22167 2009-05-02  Jan Hubicka  <jh@suse.cz>
22168
22169         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
22170         parameter; update callers.
22171         (coalesce_cost_edge): EH edges are costier because they needs
22172         splitting even if not critical and even more costier when there are
22173         multiple EH predecestors.
22174
22175 2009-05-02  Jan Hubicka  <jh@suse.cz>
22176
22177         * except.c (remove_eh_handler_and_replace): Handle updating after
22178         removing TRY blocks.
22179
22180 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
22181
22182         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
22183
22184 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
22185
22186         * varasm.c: Do not include c-pragma.h.
22187         * attribs.c: Do not incude c-common.h.
22188
22189 2009-05-01  Michael Matz  <matz@suse.de>
22190
22191         * calls.c (initialize_argument_information): Handle SSA names like
22192         decls with a non MEM_P DECL_RTL.
22193
22194 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
22195
22196         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
22197         * ipa-utils.c: Likewise.
22198         * ipa-type-escape.c: Likewise.
22199         * cgraphunit.c Do not include c-common.h.
22200         * ipa-pure-const.c: Likewise.
22201         * tree-if-conv.c: Likewise.
22202         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
22203         * ipa-struct-reorg.c: Likewise.
22204         * tree-nomudflap.c: Likewise.
22205         * tree-ssa-structalias.c: Likewise.
22206
22207 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
22208
22209         * store-motion.c: Many cleanups to make this pass a first-class
22210         citizen instead of an appendix to gcse load motion.  Add TODO list
22211         to make this pass faster/cleaner/better.
22212
22213         (struct ls_expr): Post gcse.c-split cleanups.
22214         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
22215         "stores" field to "avail_stores".
22216         (pre_ldst_mems): Rename to store_motion_mems.
22217         (pre_ldst_table): Rename to store_motion_mems_table.
22218         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
22219         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
22220         (ldst_entry): Rename to st_expr_entry, update users.
22221         (free_ldst_entry): Rename to free_st_expr_entry, update users.
22222         (free_ldst_mems): Rename to free_store_motion_mems, update users.
22223         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
22224         update caller.
22225         (first_ls_expr): Rename to first_st_expr, update users.
22226         (next_ls_expr): Rename to next_st_expr, update users.
22227         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
22228         fields properly for store motion instead of names inherited from load
22229         motion in gcse.c.
22230         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
22231         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
22232         are done with it.
22233
22234         (ae_kill): Rename to st_kill, update users.
22235         (ae_gen): Rename to st_avloc, update users.
22236         (transp): Rename to st_transp, update users.
22237         (pre_insert_map): Rename to st_insert_map, update users.
22238         (pre_delete_map): Rename to st_delete_map, update users.
22239         (insert_store, build_store_vectors, free_store_memory,
22240         one_store_motion_pass): Update for abovementioned changes.
22241
22242         (gcse_subst_count, gcse_create_count): Remove.
22243         (one_store_motion_pass): New statistics counters "n_stores_deleted"
22244         and "n_stores_created", local variables.
22245
22246         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
22247         use for_each_rtx.
22248
22249         (regvec, compute_store_table_current_insn): Remove.
22250         (reg_set_info, reg_clear_last_set): Remove.
22251         (compute_store_table): Use DF caches instead of local dataflow
22252         solvers.
22253
22254 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
22255
22256         * c-objc-common.c (c_tree_printer): Print identifiers with
22257         pp_identifier, not pp_string.  Mark "({anonymous})" for
22258         translation.
22259         * c-pretty-print.c (pp_c_ws_string): New.
22260         (pp_c_cv_qualifier, pp_c_type_specifier,
22261         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
22262         pp_c_storage_class_specifier, pp_c_function_specifier,
22263         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
22264         pp_c_primary_expression, pp_c_postfix_expression,
22265         pp_c_unary_expression, pp_c_shift_expression,
22266         pp_c_relational_expression, pp_c_equality_expression,
22267         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
22268         use pp_string and pp_c_ws_string in place of pp_identifier and
22269         pp_c_identifier for non-identifiers.  Mark English strings for
22270         translation.
22271         * c-pretty-print.h (pp_c_ws_string): Declare.
22272
22273 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
22274             Roland McGrath <roland@redhat.com>
22275
22276         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
22277         (ENABLE_LD_BUILDID): New configuration option.
22278         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
22279         (LINK_BUILDID_SPEC): New macro.
22280         (init_spec): If defined, prepend it between LINK_EH_SPEC and
22281         link_spec.
22282         * doc/install.texi: Document --enable-linker-build-id option.
22283         * configure: Rebuild.
22284         * config.in: Rebuild.
22285
22286 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
22287
22288         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
22289         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
22290         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
22291         MIPS_GP_SAVE_AREA_SIZE.
22292         * config/mips/mips.c (struct mips_frame_info): Update comment
22293         before arg_pointer_offset and hard_frame_pointer_offset.
22294         (mips_compute_frame_info): Update diagram before function: to
22295         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
22296         indicate the position of frame_pointer_rtx with -fstack-protector and
22297         to show args_size.  Don't allocate cprestore area for leaf functions
22298         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
22299         cprestore_size.
22300         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
22301
22302 2009-04-30  Michael Matz  <matz@suse.de>
22303
22304         PR tree-optimization/39955
22305         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
22306
22307 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
22308
22309         * ira.c (setup_cover_and_important_classes):  Use safe macro
22310         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
22311         directly.
22312         * genpreds.c (write_tm_preds_h):  Output suitable definition of
22313         REG_CLASS_FOR_CONSTRAINT.
22314
22315 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
22316
22317         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
22318         instead of an int.
22319         * bitmap.c (bitmap_descriptor): Likewise.
22320         * ggc-common.c (loc_descriptor): Likewise.
22321         * varray.c (varray_descriptor): Likewise.
22322         * vec.c (vec_descriptor): Likewise.
22323
22324 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
22325
22326         * Makefile.in (dce.o): Add $(EXCEPT_H).
22327         * dce.c: Include except.h and delete redundant vector definitions.
22328         (deletable_insn_p): Return false for non-call insns that can throw
22329         if DF is running.
22330
22331 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
22332
22333         * gcse.c (ae_gen): Remove.
22334         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
22335         and make non-static function to make it available in store-motion.c.
22336         Update call sites with search-and-replace.
22337         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
22338         extract_mentioned_regs, extract_mentioned_regs_helper,
22339         find_moveable_store, compute_store_table, load_kills_store, find_loads,
22340         store_killed_in_insn, store_killed_after, store_killed_before,
22341         build_store_vectors, insert_insn_start_basic_block, insert-store,
22342         remove_reachable_equiv_notes, replace_store_insn, delete_store,
22343         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
22344         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
22345         * store-motion.c: ...new file.  Also copy data structures from gcse.c
22346         and clean up to remove parts not used by store motion.
22347         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
22348         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
22349
22350 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
22351
22352         PR target/38571
22353         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
22354         when optimizing for size.
22355
22356 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
22357
22358         * gcse.c (gcse_constant_p): Fix typo in last change.
22359
22360 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
22361
22362         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
22363
22364 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
22365
22366         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
22367
22368 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
22369
22370         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
22371         CONST_HIGH_PART result.
22372
22373 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
22374
22375         * config/avr/avr.c (initial_elimination_offset): Rename to
22376         avr_initial_elimination_offset.
22377         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
22378         change return type to bool.
22379         (avr_can_eliminate): New function.
22380         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
22381         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
22382         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
22383         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
22384         avr_initial_elimination_offset.
22385         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
22386         (avr_initial_elimination_offset): Define.
22387
22388 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
22389             Steven Bosscher  <steven@gcc.gnu.org>
22390
22391         PR rtl-optimization/39938
22392         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
22393         * cfgrtl.c: Include insn-attr.h.
22394         (rest_of_pass_free_cfg): New function.
22395         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
22396         * resource.c (init_resource_info): Remove call to df_analyze.
22397
22398 2009-04-29  Richard Guenther  <rguenther@suse.de>
22399
22400         PR target/39943
22401         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
22402         allow conversion to signed integers.
22403
22404 2009-04-29  Richard Guenther  <rguenther@suse.de>
22405
22406         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
22407         shifts of floating point vectors if the shift amount is
22408         a constant multiple of the element size.
22409
22410 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
22411             Michael Matz  <matz@suse.de>
22412
22413         PR middle-end/39927
22414         PR bootstrap/39929
22415         * tree-outof-ssa.c (emit_partition_copy): New function.
22416         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
22417         insert_part_to_rtx_on_edge): Perform the partition base var
22418         copy using emit_partition_copy.
22419         (insert_value_copy_on_edge): Convert constants to the right mode.
22420         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
22421         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
22422
22423 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
22424
22425         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
22426         scan backwards to try to find a constant to initialize it.
22427
22428         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
22429         insn before the loop_end instruction, don't look past labels.
22430
22431 2009-04-29  Richard Guenther  <rguenther@suse.de>
22432
22433         PR middle-end/39937
22434         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22435         loose type conversions.
22436         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
22437         stmts only if there are no uses of its definition.
22438
22439 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
22440
22441         * config/bfin/bfin.h (splitting_loops): Declare.
22442         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
22443         Reorder bit definitions to be ascending.
22444         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
22445         * config/bfin/bfin.c (splitting_loops): New variable.
22446         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
22447         (struct loop_info): Remove members INIT and LOOP_INIT.
22448         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
22449         the LSETUP sequence.  Allow LC to be loaded from any register, but
22450         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
22451         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
22452         set to 1.
22453         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
22454         of reload_completed.
22455
22456         From Jie Zhang:
22457         * config/bfin/bfin.md (movsi_insn): Refine constraints.
22458
22459 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
22460
22461         * Makefile.in (PLUGIN_VERSION_H): New.
22462         (OBJS-common): Remove plugin-version.o.
22463         (plugin.o): Depend on (PLUGIN_VERSION_H).
22464         (plugin-version.o): Remove.
22465         * configure: Regenerate
22466         * configure.ac: Create plugin-version.h.
22467         * gcc-plugin.h (plugin_gcc_version): Remove.
22468         (plugin_default_version_check): Change signature.
22469         * plugin-version.c: Remove.
22470         * plugin.c: Include plugin-version.h.
22471         (str_plugin_gcc_version_name): Remove.
22472         (try_init_one_plugin): Pass gcc version to plugin_init.
22473         (plugin_default_version_check): Both gcc and plugin versions are now
22474         arguments.
22475
22476 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
22477
22478         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
22479         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
22480         Remove special case testing for last insn of inner loops. Don't fail
22481         if the loop ends with a jump, emit an extra nop instead.
22482
22483         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
22484         DREGS rather than comparing directly.  Remove code that tries to
22485         account for latencies.
22486
22487 2009-04-29  Richard Guenther  <rguenther@suse.de>
22488
22489         PR tree-optimization/39941
22490         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
22491         eliminating an indirect call.
22492
22493 2009-04-29  Richard Guenther  <rguenther@suse.de>
22494
22495         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
22496         parameter.  Allow invariants as base if !require_lvalue.
22497         (verify_gimple_assign_single): Adjust.
22498
22499 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
22500
22501         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
22502         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
22503         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
22504         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
22505         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
22506         a VEC_SELECT.
22507         * config/bfin/bfin.c (bfin_expand_builtin,
22508         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
22509
22510 2009-04-28  Richard Guenther  <rguenther@suse.de>
22511
22512         * tree-vect-loop.c (get_initial_def_for_induction): Use
22513         correct types for pointer increment.
22514
22515 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22516
22517         * toplev.c (print_version): Update GMP version string calculation.
22518
22519 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
22520
22521         PR rtl-optimization/39938
22522         * resource.c (init_resource_info): Add call to df_analyze.
22523
22524 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
22525
22526         * config/alpha/alpha.md (usegp): Cast the result of
22527         alpha_find_lo_sum_using_gp to enum attr_usegp.
22528         * config/alpha/alpha.c (override_options): Remove end-of-structure
22529         marker element from cpu_table.  Use array size of cpu_table to handle
22530         -mcpu and -mtune options.
22531         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
22532
22533 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
22534
22535         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
22536         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
22537         tune_32 and tune_64.
22538         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
22539         support on PowerPC.
22540         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
22541         * config/rs6000/option-defaults.h: ... here.  New file.
22542         (OPT_64, OPT_32): Define.
22543         (MASK_64BIT): Define to 0 if not already defined.
22544         (OPT_ARCH64, OPT_ARCH32): Define.
22545         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
22546         and tune_64.
22547
22548 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
22549
22550         * config/arm/arm.c (arm_override_options): Emit error on using
22551         fpa with AAPCS.
22552
22553 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
22554
22555         PR rtl-optimization/39914
22556         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
22557         registers for allocnos created from user-defined variables only
22558         when not optimizing.
22559
22560 2009-04-28  Richard Guenther  <rguenther@suse.de>
22561
22562         PR middle-end/39937
22563         * fold-const.c (fold_binary): Use distribute_real_division only
22564         on float types.
22565
22566 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
22567
22568         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
22569         add hpux-stdint.h to tm_file.
22570         (hppa[12]*-*-hpux11*): Ditto.
22571         (ia64*-*-hpux*): Ditto.
22572         * config/hpux-stdint.h: New.
22573         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
22574         __STDC_EXT__ for all compiles.
22575         * config/pa/pa-hpux.h: Ditto.
22576         * config/pa/pa-hpux10.h: Ditto.
22577         * config/pa/pa-hpux11.h: Ditto.
22578
22579 2009-04-28  Catherine Moore  <clm@codesourcery.com>
22580
22581         * debug.h (set_name): Add comment.
22582
22583 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
22584
22585         PR target/39929
22586         * config/darwin.c (machopic_gen_offset): Check
22587         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
22588         * config/arm/arm.c (require_pic_register): Likewise.
22589
22590 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
22591
22592         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
22593         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
22594         m32c_promote_prototypes): Delete.
22595
22596 2009-04-28  Michael Matz  <matz@suse.de>
22597
22598         PR middle-end/39922
22599         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
22600         constants.
22601
22602 2009-04-28  Richard Guenther  <rguenther@suse.de>
22603
22604         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
22605
22606 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
22607
22608         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
22609         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
22610         * config/arm/arm-tune.md: Regenerate.
22611
22612 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
22613
22614         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
22615         block if there are complex incoming edges.
22616         (sel_merge_blocks): Remove useless assert.
22617         (sel_redirect_edge_and_branch): Check that edge was redirected.
22618         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
22619         (sel_find_rgns): Delete declaration.
22620         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
22621         the region when it is not a preheader.
22622
22623 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
22624
22625         PR c/39323
22626         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
22627
22628 2009-04-28  Richard Guenther  <rguenther@suse.de>
22629
22630         * tree.h (SSA_NAME_VALUE): Remove.
22631         (struct tree_ssa_name): Remove value_handle member.
22632         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
22633         array for jump threading.
22634         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
22635         SSA_NAME_VALUEs.
22636         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
22637         * tree-flow.h (threadedge_initialize_values): Declare.
22638         (threadedge_finalize_values): Likewise.
22639         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
22640         (SSA_NAME_VALUE): Define.
22641         (threadedge_initialize_values): New function.
22642         (threadedge_finalize_values): Likewise.
22643         * tree-ssa-dom.c (ssa_name_values): New global variable.
22644         (SSA_NAME_VALUE): Define.
22645         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
22646
22647 2009-04-28  Ira Rosen  <irar@il.ibm.com>
22648
22649         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
22650         Use REPORT_VECTORIZED_LOCATIONS instead
22651         REPORT_VECTORIZED_LOOPS.
22652         * tree-vectorizer.c (vect_verbosity_level): Make static.
22653         (vect_loop_location): Rename to vect_location.
22654         (vect_set_verbosity_level): Update comment.
22655         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
22656         and vect_location.
22657         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
22658         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
22659         instead REPORT_UNVECTORIZED_LOOPS.
22660         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
22661         and vect_loop_def to vect_external_def and vect_internal_def.
22662         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
22663         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and
22664         REPORT_UNVECTORIZED_LOCATIONS.
22665         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
22666         and vect_used_in_loop and to vect_unused_in_scope and
22667         vect_used_in_scope.
22668         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
22669         (vect_verbosity_level): Remove declaration.
22670         (vect_analyze_operations): Likewise.
22671         (vect_analyze_stmt): Declare.
22672         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
22673         REPORT_UNVECTORIZED_LOCATIONS.
22674         (vect_get_loop_niters): Fix indentation.
22675         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
22676         (vect_analyze_loop_operations): New function.
22677         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
22678         vect_analyze_operations.
22679         (vect_is_simple_reduction): Use new names.
22680         (vectorizable_live_operation, vect_transform_loop): Likewise.
22681         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
22682         to specify whether the data references can be a part of interleaving
22683         chain.
22684         (vect_analyze_data_ref_dependence): Use new names.
22685         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
22686         (vect_create_addr_base_for_vector_ref): Remove redundant code.
22687         * tree-vect-patterns.c (widened_name_p): Use new names.
22688         (vect_recog_dot_prod_pattern): Likewise.
22689         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
22690         (process_use, vect_mark_stmts_to_be_vectorized,
22691         vect_model_simple_cost, vect_model_store_cost,
22692         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
22693         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
22694         vectorizable_operation, vectorizable_type_demotion,
22695         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
22696         vectorizable_condition): Likewise.
22697         (vect_analyze_operations): Split into vect_analyze_loop_operations
22698         and ...
22699         (vect_analyze_stmt): ... new function.
22700         (new_stmt_vec_info): Use new names.
22701         (vect_is_simple_use): Use new names and fix comment.
22702         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
22703         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
22704
22705 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
22706
22707         PR target/39911
22708         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
22709         and integer modes for x87 operands.  Do not ICE for unsupported size,
22710         generate error instead.  Generate error for unsupported operand types.
22711         ['z']: Do not handle HImode memory operands specially.  Warning
22712         for floating-point operands.  Fallthru to 'Z' for unsupported operand
22713         types.  Do not ICE for unsupported size, generate error instead.
22714         (output_387_binary_op): Use %Z to output operands.
22715         (output_fp_compare): Ditto.
22716         (output_387_reg_move): Ditto.
22717
22718 2009-04-28  Ben Elliston  <bje@au.ibm.com>
22719
22720         PR c++/35652
22721         Revert:
22722
22723         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
22724
22725         * builtins.c (c_strlen): Do not warn here.
22726         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
22727         * c-common.c (pointer_int_sum): Take an explicit location.
22728         Warn about offsets out of bounds.
22729         * c-common.h (pointer_int_sum): Adjust declaration.
22730
22731 2009-04-27  Ian Lance Taylor  <iant@google.com>
22732
22733         * collect2.c (is_ctor_dtor): Change type of ret field in struct
22734         names to symkind.
22735         * dce.c (run_fast_df_dce): Change type of old_flags to int.
22736         * df-core.c (df_set_flags): Change return type to int.  Change
22737         type of old_flags to int.
22738         (df_clear_flags): Likewise.
22739         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
22740         (df_get_conditional_uses): Likewise.
22741         * df.h (df_set_flags, df_clear_flags): Update declarations.
22742         * dwarf2out.c (struct indirect_string_node): Change type of form
22743         field to enum dwarf_form.
22744         (AT_string_form): Change return type to enum dwarf_form.
22745         * fixed-value.c (fixed_compare): Add cast to enum type.
22746         * fwprop.c (update_df): Change 0 to VOIDmode.
22747         * gensupport.c: Change 0 to UNKNOWN.
22748         * gimple.h (gimple_cond_code): Add cast to enum type.
22749         * haifa-sched.c (reemit_notes): Add cast to enum type.
22750         * hooks.c (hook_int_void_no_regs): Remove function.
22751         * hooks.h (hook_int_void_no_regs): Remove declaration.
22752         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
22753         * predict.c (combine_predictions_for_insn): Add casts to enum type.
22754         * real.c (real_arithmetic): Add cast to enum type.
22755         (real_compare): Likewise.
22756         * target.h (struct gcc_target): Change return type of
22757         branch_target_register_class to enum reg_class.
22758         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
22759         default_branch_target_register_class.
22760         * targhooks.c (default_branch_target_register_class): New function.
22761         * targhooks.h (default_branch_target_register_class): Declare.
22762         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
22763         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
22764         cast to int.
22765         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
22766         ERROR_MARK.
22767         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
22768         vect_uninitialized_def.  Change 0 to ERROR_MARK.
22769         * tree-vect-stmts.c (supportable_widening_operation): Don't
22770         initialize icode1 and icode2.
22771         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
22772         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
22773         and to STD_C89.
22774         (cmn_err_flag_specs): Change 0 to STD_C89.
22775         (cmn_err_char_table): Likewise.
22776         * config/arm/arm.c (get_arm_condition_code): Change type of code
22777         to enum arm_cond_code.
22778         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
22779         (IWMMXT_BUILTIN2): Likewise.
22780         (neon_builtin_type_bits): Don't define typedef.
22781         (neon_builtin_datum): Change type of bits field to int.
22782         (arm_expand_neon_args): Add cast to enum type.
22783         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
22784         TLS_MODEL_NONE.
22785         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
22786         casts to enum type.
22787         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
22788         MIPS_FP_COND_f.
22789         * config/mips/mips.md (jal_macro): Return enum constant.
22790         (single_insn): Likewise.
22791         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
22792         CODE_FOR_nothing.
22793         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
22794         casts to enum type.
22795         * config/s390/s390.c (s390_tune_flags): Change type to int.
22796         (s390_arch_flags): Likewise.
22797         (s390_handle_arch_option): Change flags field of struct pta to int.
22798         * config/s390/s390.h (s390_tune_flags): Update declaration.
22799         (s390_arch_flags): Likewise.
22800         * config/sh/sh.c (prepare_move_operands): Compare
22801         tls_symbolic_operand result with enum constant.
22802         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
22803         (sh_expand_prologue): Add cast to enum type.
22804         (sh_expand_epilogue): Likewise.
22805         (tls_symbolic_operand): Change return type to enum tls_model.
22806         (fpscr_set_from_mem): Add cast to enum type.
22807         (legitimize_pic_address): Compare tls_symbolic_operand result with
22808         enum constant.
22809         (sh_target_reg_class): Change return type to enum reg_class.
22810         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
22811         PROCESSOR_xxx.
22812         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
22813         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
22814         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
22815         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
22816         (delayed_branch, tls_call_delay): Likewise.
22817         (eligible_for_sibcall_delay): Likewise.
22818         (eligible_for_return_delay): Likewise.
22819         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
22820         (spu_expand_builtin_1): Likewise.
22821
22822         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
22823         for all types of conversions.
22824         (output_init_element): Issue -Wc++-compat warning if needed when
22825         initializing a bitfield with enum type.
22826         * c-parser.c (c_parser_expression): Set original_type to
22827         original_type of right hand operand of comma operator.
22828
22829 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
22830
22831         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
22832         grammar nits.
22833         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
22834         * doc/cpp.texi (Standard Predefined Macros)
22835         (Implementation-defined behavior): Likewise.
22836         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
22837         * doc/gimple.texi (GIMPLE Exception Handling)
22838         (@code{GIMPLE_ASSIGN}): Likewise.
22839         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
22840         * doc/invoke.texi (Warning Options, Optimize Options)
22841         (AVR Options, Darwin Options): Likewise.
22842         (Optimize Options): Reformulate -fwhole-program description.
22843         * doc/loop.texi (Lambda): Likewise.
22844         * doc/md.texi (Output Template, Define Constraints)
22845         (Standard Names, Insn Splitting): Likewise.
22846         * doc/options.texi (Option properties): Likewise.
22847         * doc/passes.texi (Tree-SSA passes): Likewise.
22848         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
22849         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
22850         (File Names and DBX): Likewise.
22851         * doc/trouble.texi (Incompatibilities): Likewise.
22852
22853 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
22854
22855         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
22856         instruction is correct.
22857
22858 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
22859
22860         Allow non-constant arguments to conversion intrinsics.
22861         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
22862         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
22863         * spu.c (print_operand): Handle 'v' and 'w'.
22864         (exp2_immediate_p, spu_gen_exp2): Define.
22865         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
22866         spu_convtf_1): Update parameter descriptions.
22867         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
22868         * constraints.md ('v', 'w'): New.
22869         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
22870         Remove.
22871         (i2f, I2F): New define_mode_attr.
22872         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
22873         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
22874         fixuns_truncv4sfv4si2):  Update to use mode attribute.
22875         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
22876         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
22877         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
22878         patterns for combine.
22879
22880 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
22881
22882         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
22883         (cprop, hoist, pre, store_motion): New debug counters.
22884         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
22885         is not an RTL pass anymore.
22886         (pass_profiling): Remove extern decl for pass removed in 2005.
22887         (pass_gcse, pass_jump_bypass): Remove.
22888         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
22889         to 0 for clean state.
22890         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
22891         * cse.c (gate_handle_cse_after_global_opts,
22892         rest_of_handle_cse_after_global_opts): New functions.
22893         (pass_cse_after_global_opts): New pass, does local CSE.
22894         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
22895         (TV_CPROP): New timevar.
22896         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
22897         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
22898         (gcse_main, recompute_all_luids): Remove.
22899         (compute_hash_table_work): Call max_reg_num instead of reading
22900         max_gcse_regno.
22901         (cprop_jump): Don't set run_jump_opt_after_gcse.
22902         (constprop_register): Always allow to alter jumps.
22903         (cprop_insn): Likewise.
22904         (do_local_cprop): Likewise.
22905         (local_cprop_pass): Likewise.  Return non-zero if something changed.
22906         (cprop): Remove function, fold interesting bits into one_cprop_pass.
22907         (find_implicit_sets): Add note about missed optimization opportunity.
22908         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
22909         pass_rtl_cprop execute function.
22910         Don't bother tracking the pass number, each pass gets its own dumpfile
22911         now anyway.
22912         Always allow to alter jumpsand bypass jumps.
22913         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
22914         will just find no suitable set.
22915         (pre_edge_insert): Fix dumping, this function is for PRE only.
22916         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
22917         pass_rtl_pre execute function.
22918         (hoist_code): Return non-zero if something changed.  Keep track of
22919         substitutions and insertions for statistics gathering similar to PRE.
22920         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
22921         called from the pass_rtl_hoist execute function.  Show pass statistics.
22922         (compute_store_table): Use max_reg_num directly instead of using the
22923         formerly global max_gcse_regno.
22924         (build_store_vectors): Likewise.
22925         (replace_store_insn): Fix dumping.
22926         (store_motion): Rename to ...
22927         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
22928         pass, called from the pass_rtl_store_motion execute function.  Keep
22929         track of substitutions and insertions for statistics gathering similar
22930         to PRE.
22931         (bypass_jumps): Remove, fold interesting bits into ...
22932         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
22933         from the pass_rtl_cprop execute function.
22934         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
22935         pass_jump_bypass): Remove.
22936         (gate_handle_gcse, rest_of_handle_gcse): Remove.
22937         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
22938         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
22939         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
22940         (gate_rtl_store_motion, execute_rtl_store_motion,
22941         pass_rtl_store_motion): New.
22942         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
22943         make it clear that -fcse-skip-blocks is a no-op for backward compat.
22944         * passes.c (init_optimization_passes): Remove pass_gcse and
22945         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
22946         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
22947         instead of pass_jump_bypass.
22948
22949 2009-04-27  Richard Guenther  <rguenther@suse.de>
22950
22951         PR middle-end/39928
22952         * gimplify.c (gimplify_expr): If we are required to create
22953         a temporary make sure it ends up as register.
22954
22955 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
22956
22957         PR target/39903
22958         * config/i386/i386.c (construct_container): Don't call
22959         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
22960         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
22961
22962 2009-04-27  Michael Matz  <matz@suse.de>
22963
22964         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
22965         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
22966         * tree-ssa-live.h (find_replaceable_exprs): Return a bitmap.
22967         (dump_replaceable_exprs): Take a bitmap.
22968         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
22969         array.
22970         (expand_gimple_basic_block): Likewise.
22971         * tree-ssa-ter.c (struct temp_expr_table_d): Make
22972         replaceable_expressions member a bitmap.
22973         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
22974         (mark_replaceable): Likewise.
22975         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
22976         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
22977
22978 2009-04-27  Richard Guenther  <rguenther@suse.de>
22979
22980         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
22981         (verify_stmts): Dispatch to gimple/type verification code.
22982         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
22983         issue with call argument types.
22984
22985 2009-04-27  Michael Matz  <matz@suse.de>
22986
22987         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
22988         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
22989         to above.
22990
22991 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
22992             Eric Botcazou  <ebotcazou@adacore.com>
22993
22994         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
22995         a label's basic block.
22996         (mark_target_live_regs): Tidy and rework obsolete comments.
22997         Change back DF problem to LIVE.  If a label starts a basic block,
22998         assume that all registers that used to be live then still are.
22999         (init_resource_info): If a label starts a basic block, set its
23000         BLOCK_FOR_INSN accordingly.
23001         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
23002
23003 2009-04-27  Richard Guenther  <rguenther@suse.de>
23004
23005         * tree-flow-inline.h (function_ann): Remove.
23006         (get_function_ann): Likewise.
23007         * tree-dfa.c (create_function_ann): Remove.
23008         * tree-flow.h (struct static_var_ann_d): Remove.
23009         (struct function_ann_d): Likewise.
23010         (union tree_ann_d): Remove fdecl member.
23011         (function_ann_t): Remove.
23012         (function_ann, get_function_ann, create_function_ann): Remove
23013         declarations.
23014
23015 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
23016
23017         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
23018
23019 2009-04-27  Jan Hubicka  <jh@suse.cz>
23020
23021         * ipa-pure-const.c (struct funct_state_d): New fields
23022         state_previously_known, looping_previously_known; remove
23023         state_set_in_source.
23024         (analyze_function): Use new fields.
23025         (propagate): Avoid assumption that state_set_in_source imply
23026         nonlooping.
23027
23028         * tree-ssa-loop-niter.c (finite_loop_p): New function.
23029         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
23030         * cfgloop.h (finite_loop_p): Declare.
23031
23032 2009-04-26  Michael Matz  <matz@suse.de>
23033
23034         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
23035
23036 2009-04-26  Michael Matz  <matz@suse.de>
23037
23038         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
23039         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
23040         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
23041         pass_mark_used_blocks): Remove.
23042         * tree-optimize.c (pass_free_datastructures,
23043         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
23044         * passes.c (init_optimization_passes): Don't call
23045         pass_mark_used_blocks, remove dead code.
23046
23047 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
23048
23049         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
23050         * tree-ssa-live.h (register_ssa_partition): Likewise.
23051
23052 2009-04-26  Michael Matz  <matz@suse.de>
23053
23054         Expand from SSA.
23055         * builtins.c (fold_builtin_next_arg): Handle SSA names.
23056         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
23057         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
23058         SSA names.
23059         (compare_pairs): Swap cost comparison.
23060         (coalesce_ssa_name): Don't use change_partition_var.
23061         * tree-nrv.c (struct nrv_data): Add modified member.
23062         (finalize_nrv_r): Set it.
23063         (tree_nrv): Use it to update statements.
23064         (pass_nrv): Require PROP_ssa.
23065         * tree-mudflap.c (mf_decl_cache_locals,
23066         mf_build_check_statement_for): Use make_rename_temp.
23067         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
23068         * alias.c (find_base_decl): Handle SSA names.
23069         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
23070         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
23071         * rtl.h (set_reg_attrs_for_parm): Declare.
23072         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
23073         to "optimized", remove unused locals at finish.
23074         (execute_free_datastructures): Make global, call
23075         delete_tree_cfg_annotations.
23076         (execute_free_cfg_annotations): Don't call
23077         delete_tree_cfg_annotations.
23078
23079         * ssaexpand.h: New file.
23080         * expr.c (toplevel): Include ssaexpand.h.
23081         (expand_assignment): Handle SSA names the same as register variables.
23082         (expand_expr_real_1): Expand SSA names.
23083         * cfgexpand.c (toplevel): Include ssaexpand.h.
23084         (SA): New global variable.
23085         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
23086         (SSAVAR): New macro.
23087         (set_rtl): New helper function.
23088         (add_stack_var): Deal with SSA names, use set_rtl.
23089         (expand_one_stack_var_at): Likewise.
23090         (expand_one_stack_var): Deal with SSA names.
23091         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
23092         before unique numbers.
23093         (expand_stack_vars): Use set_rtl.
23094         (expand_one_var): Accept SSA names, add asserts for them, feed them
23095         to above subroutines.
23096         (expand_used_vars): Expand all partitions (without default defs),
23097         then only the local decls (ignoring those expanded already).
23098         (expand_gimple_cond): Remove edges when jumpif() expands an
23099         unconditional jump.
23100         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
23101         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
23102         SSA name.
23103         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
23104         members of SA; deal with PARM_DECL partitions here; expand
23105         all PHI nodes, free tree datastructures and SA.  Commit instructions
23106         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
23107         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
23108         info and statements at start, collect garbage at finish.
23109         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
23110         (VAR_ANN_PARTITION) Remove.
23111         (change_partition_var): Don't declare.
23112         (partition_to_var): Always return SSA names.
23113         (var_to_partition): Only accept SSA names.
23114         (register_ssa_partition): Only check argument.
23115         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
23116         member.
23117         (delete_var_map): Don't free it.
23118         (var_union): Only accept SSA names, simplify.
23119         (partition_view_init): Mark only useful SSA names as used.
23120         (partition_view_fini): Only deal with SSA names.
23121         (change_partition_var): Remove.
23122         (dump_var_map): Use ssa_name instead of partition_to_var member.
23123         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
23124         basic blocks.
23125         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
23126         (struct _elim_graph): New member const_dests; nodes member vector of
23127         ints.
23128         (set_location_for_edge): New static helper.
23129         (create_temp): Remove.
23130         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
23131         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
23132         (new_elim_graph): Allocate const_dests member.
23133         (clean_elim_graph): Truncate const_dests member.
23134         (delete_elim_graph): Free const_dests member.
23135         (elim_graph_size): Adapt to new type of nodes member.
23136         (elim_graph_add_node): Likewise.
23137         (eliminate_name): Likewise.
23138         (eliminate_build): Don't take basic block argument, deal only with
23139         partition numbers, not variables.
23140         (get_temp_reg): New static helper.
23141         (elim_create): Use it, deal with RTL temporaries instead of trees.
23142         (eliminate_phi): Adjust all calls to new signature.
23143         (assign_vars, replace_use_variable, replace_def_variable): Remove.
23144         (rewrite_trees): Only do checking.
23145         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
23146         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
23147         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
23148         contains_tree_r, MAX_STMTS_IN_LATCH,
23149         process_single_block_loop_latch, analyze_edges_for_bb,
23150         perform_edge_inserts): Remove.
23151         (expand_phi_nodes): New global function.
23152         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
23153         functions, initialize new parameter, remember partitions having a
23154         default def.
23155         (finish_out_of_ssa): New global function.
23156         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
23157         don't reset in_ssa_p here, don't disable TER when mudflap.
23158         (pass_del_ssa): Remove.
23159         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
23160         partition members.
23161         (execute_free_datastructures): Declare.
23162         * Makefile.in (SSAEXPAND_H): New variable.
23163         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
23164         * basic-block.h (commit_one_edge_insertion): Declare.
23165         * passes.c (init_optimization_passes): Move pass_nrv and
23166         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
23167         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
23168         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
23169         (redirect_branch_edge): Deal with super block when expanding, split
23170         out jump patching itself into ...
23171         (patch_jump_insn): ... here, new static helper.
23172
23173 2009-04-26  Michael Matz  <matz@suse.de>
23174
23175         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
23176         beyond num_ssa_names.
23177         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
23178         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
23179
23180 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
23181
23182         PR inline-asm/39543
23183         * fwprop.c (forward_propagate_asm): New function.
23184         (forward_propagate_and_simplify): Propagate also into __asm, if it
23185         doesn't increase the number of referenced registers.
23186
23187         PR c/39889
23188         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
23189
23190 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
23191
23192         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
23193         note_nonlocal_vla_type for nonlocal VLAs.
23194         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
23195         contains_remapped_vars, remap_vla_decls): New functions.
23196         (convert_nonlocal_reference_stmt): If not optimizing, call
23197         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
23198         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
23199         if it wasn't found in var_map.
23200         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
23201         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
23202         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
23203         declare_vars.
23204         * gimplify.c (nonlocal_vlas): New variable.
23205         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
23206         referenced VLAs.
23207         (gimplify_body): Create and destroy nonlocal_vlas.
23208
23209         * dwarf2out.c (loc_descr_plus_const): New function.
23210         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
23211         mem_loc_descriptor, loc_descriptor_from_tree_1,
23212         descr_info_loc, gen_variable_die): Use it.
23213
23214         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
23215         !TREE_STATIC VAR_DECLs.
23216         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
23217         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
23218         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
23219         DECL_BY_REFERENCE is valid.
23220         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
23221         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
23222         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
23223         Copy DECL_BY_REFERENCE.
23224         (struct nesting_copy_body_data): New type.
23225         (nesting_copy_decl): New function.
23226         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
23227         if they have variable length.
23228
23229 2009-04-26  Michael Matz  <matz@suse.de>
23230
23231         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
23232         mark new temporaries for renaming.
23233
23234 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
23235
23236         PR c/39581
23237         * c-decl.c (global_bindings_p): Return negative value.
23238         (c_variable_size): New.  Based on variable_size from
23239         stor-layout.c.
23240         (grokdeclarator): Call c_variable_size not variable_size.
23241
23242 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
23243
23244         * config/i386/i386.c (print_operand) ['z']: Fix typo.
23245
23246 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
23247
23248         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
23249         Redefine it to just use mingw/include.
23250         (ASM_SPEC): Rules for -m32 and -m64.
23251         (LINK_SPEC): Use Likewise.
23252         (SPEC_32): New define.
23253         (SPEC_64): Likewise.
23254         (SUB_LINK_SPEC): Likewise.
23255         (MULTILIB_DEFAULTS): New define.
23256         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
23257         Add multilib options.
23258         (MULTILIB_DIRNAMES): Likewise.
23259         (MULTILIB_OSDIRNAMES): Likewise.
23260         (LIBGCC): Likewise.
23261         (INSTALL_LIBGCC): Likewise.
23262
23263 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
23264
23265         PR c/39556
23266         * c-tree.h (enum c_inline_static_type): New.
23267         (record_inline_static): Declare.
23268         * c-decl.c (struct c_inline_static, c_inline_statics,
23269         record_inline_static, check_inline_statics): New.
23270         (pop_file_scope): Call check_inline_statics.
23271         (start_decl): Call record_inline_static instead of pedwarning
23272         directly for static in inline function.
23273         * c-typeck.c (build_external_ref): Call record_inline_static
23274         instead of pedwarning directly for static referenced in inline
23275         function.
23276
23277 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
23278
23279         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
23280         not new but only being rescanned.
23281         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
23282         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
23283         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
23284         record_set_info, compute_set, grealloc): Remove.
23285         (recompute_all_luids): New function.
23286         (gcse_main): Don't compute sets, and don't do related memory
23287         allocations/free-ing.  If something changed before the end of the
23288         pass, update LUIDs using recompute_all_luids.
23289         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
23290         (free_gcse_mem): Don't free it either.
23291         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
23292         Use the df insn LUIDs.
23293         (load_killed_in_block): Likewise.
23294         (compute_hash_table_work): Don't compute reg_set_in_block.
23295         (compute_transp): Use DF_REG_DEF_CHAINs.
23296         (local_cprop_pass): Don't use compute_sets and related functions.
23297         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
23298         Use get_max_uid() instead of max_cuid.
23299         (insert_insn_end_basic_block, pre_insert_copy_insn,
23300         update_ld_motion_stores): Don't try to
23301         keep reg_set tables up to date.
23302         (pre_insert_copies): Use df insn LUIDs.
23303         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
23304         (reg_set_info): Don't use extra bitmap argument.
23305         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
23306         information to compute regs_set_in_block.
23307         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
23308         (bypass_jumps): Don't use compute_sets and friends.
23309
23310 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
23311
23312         PR testsuite/39710
23313         * opts.c (undocumented_msg): Do not leave blank even with
23314         ENABLE_CHECKING.
23315
23316 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
23317
23318         * c-decl.c (build_enumerator): Allow values folding to integer
23319         constants but not integer constant expressions with a pedwarn if
23320         pedantic.
23321
23322 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
23323
23324         PR c/39582
23325         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
23326         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
23327         type is an integer constant.
23328
23329 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
23330
23331         PR target/39897
23332         * config/i386/i386.c (print_operand) ['z']: Revert handling of
23333         HImode operands.
23334
23335 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
23336
23337         PR c/39564
23338         * c-decl.c (grokdeclarator): Diagnose declarations of functions
23339         with variably modified return type and no storage class
23340         specifiers, except for the case of nested functions.  Distinguish
23341         extern declarations of functions with variably modified return
23342         types from those of objects with variably modified types.
23343
23344 2009-04-25  Jan Hubicka  <jh@suse.cz>
23345
23346         * tree.c (list_equal_p): New function.
23347         * tree.h (list_equal_p): Declare.
23348         * coretypes.h (edge_def, edge, const_edge, basic_block_def
23349         basic_block_def, basic_block, const_basic_block): New.
23350         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
23351         (redirect_eh_edge): New function.
23352         (make_eh_edge_update_phi): EH edges are not abnormal.
23353         * except.c: Include tree-flow.h.
23354         (list_match): New function.
23355         (eh_region_replaceable_by_p): New function.
23356         (replace_region): New function.
23357         (hash_type_list): New function.
23358         (hash_eh_region): New function.
23359         (eh_regions_equal_p): New function.
23360         (merge_peers): New function.
23361         (remove_unreachable_regions): Verify EH tree when checking;
23362         merge peers.
23363         (copy_eh_region_1): New function.
23364         (copy_eh_region): New function.
23365         (push_reachable_handler): New function.
23366         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
23367         regions without label but with live RESX.
23368         * except.h (redirect_eh_edge_to_label): New.
23369         * tree-flow.h (redirect_eh_edge): New.
23370         * coretypes.h (edge_def, edge, const_edge, basic_block_def
23371         basic_block_def, basic_block, const_basic_block): Remove.
23372         * Makefile.in (except.o): Add dependency on tree-flow.h
23373         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
23374         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
23375         Remove.
23376
23377 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
23378
23379         PR bootstrap/39645
23380         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
23381         on the destination of memcpy.
23382
23383 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
23384
23385         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
23386         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
23387         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
23388
23389 2009-04-25  Jan Hubicka  <jh@suse.cz>
23390
23391         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
23392         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
23393         to be reached by different label than left.
23394         (update_eh_edges): Update comment; remove edge_to_remove if possible
23395         and return true if suceeded.
23396         (cleanup_empty_eh): Accept sharing map; handle shared regions.
23397         (cleanup_eh): Compute sharing map.
23398         * except.c (remove_eh_handler_and_replace): Add argument if we should
23399         update regions.
23400         (remove_unreachable_regions): Update for label sharing.
23401         (label_to_region_map): Likewise.
23402         (get_next_region_sharing_label): New function.
23403         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
23404         prev_try pointers.
23405         (remove_eh_handler): Update.
23406         (remove_eh_region_and_replace_by_outer_of): New function.
23407         * except.h (struct eh_region): Add next_region_sharing_label.
23408         (remove_eh_region_and_replace_by_outer_of,
23409         get_next_region_sharing_label): Declare.
23410         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
23411
23412 2009-04-25  Jan Hubicka  <jh@suse.cz>
23413
23414         * tree-cfg.c (split_critical_edges): Split also edges where we can't
23415         insert code even if they are not critical.
23416
23417 2009-04-25  Jan Hubicka  <jh@suse.cz>
23418
23419         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
23420         (gimple_can_remove_branch_p): EH edges won't remove branch by
23421         redirection.
23422         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
23423         updating of non-abnormal EH edges.
23424         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
23425         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
23426         (split_critical_edges): Split also edges where emitting code on them
23427         will lead to splitting later.
23428
23429 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
23430             H.J. Lu  <hongjiu.lu@intel.com>
23431
23432         PR target/39590
23433         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
23434         the configured assembler supports fildq and fistpq mnemonics.
23435         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
23436         * configure: Regenerated.
23437         * config.in: Ditto.
23438
23439         * config/i386/i386.c (print_operand): Handle 'Z'.
23440         ['z']: Remove handling of special fild/fist suffixes.
23441         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
23442         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
23443         suffix of fild insn.
23444         (*floatsi<mode>2_vector_mixed): Ditto.
23445         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
23446         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
23447         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
23448         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
23449         * config/i386/gas.h (GAS_MNEMONICS): Remove.
23450
23451 2009-04-25  Ben Elliston  <bje@au.ibm.com>
23452
23453         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
23454         the source of a set operation.
23455
23456 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
23457
23458         * target.h (struct gcc_target): Add case_values_threshold field.
23459         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
23460         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
23461         * targhooks.c (default_case_values_threshold): New function.
23462         * targhooks.h (default_case_values_threshold): Declare function.
23463         * stmt.c (expand_case): Use case_values_threshold target hook.
23464         * expr.h (case_values_threshold): Remove declartation.
23465         * expr.c (case_values_threshold): Remove function.
23466         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
23467
23468         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
23469         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
23470         (avr_case_values_threshold): Declare as static.
23471         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
23472
23473         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
23474         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
23475         (mn10300_case_values_threshold): New function.
23476
23477 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
23478
23479         * ira.c (setup_cover_and_important_classes): Add enum cast.
23480
23481 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
23482
23483         * genpreds.c (write_enum_constraint_num): Output definition of
23484         CONSTRAINT_NUM_DEFINED_P macro.
23485         * ira.c (setup_cover_and_important_classes): Use
23486         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
23487
23488 2009-04-24  DJ Delorie  <dj@redhat.com>
23489
23490         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
23491         __SH2A_SINGLE_ONLY__ also.
23492
23493 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
23494
23495         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
23496         (movdf_internal): Ditto.
23497         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
23498         SFmode and DFmode constants.
23499         (ia64_print_operand): Add 'G' format for printing
23500         floating point constants.
23501
23502 2009-04-24  Richard Guenther  <rguenther@suse.de>
23503
23504         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
23505         from unsigned additions.
23506
23507 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
23508
23509         * c-typeck.c (set_init_index): Allow array designators that are
23510         not integer constant expressions with a pedwarn if pedantic.
23511
23512 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
23513
23514         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
23515         zero if no overlap in nonzero bits between the operands.
23516
23517 2009-04-24  Ian Lance Taylor  <iant@google.com>
23518
23519         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
23520         (record_dead_and_set_regs): Likewise.
23521         * df.h (struct df_mw_hardreg): Change flags field to int.
23522         (struct df_base_ref): Likewise.
23523         (struct df): Change changeable_flags field to int.
23524         * df-scan.c (df_defs_record): Change clobber_flags to int.
23525         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
23526         constants rather than #define macros.
23527         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
23528         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
23529         (enum dwarf_calling_convention): Likewise.
23530         (enum dwarf_line_number_x_ops): Likewise.
23531         (enum dwarf_call_frame_info): Likewise.
23532         (enum dwarf_source_language): Likewise.
23533         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
23534         (add_calling_convention_attribute): Likewise.
23535         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
23536         (combine_comparisons): Change compcode to int.  Add cast to enum type.
23537         * genrecog.c (maybe_both_true_2): Change c to int.
23538         (write_switch): Likewise.  Add cast to enum type.
23539         * gimplify.c (gimplify_omp_for): Handle return values from
23540         gimplify_expr using MIN rather than bitwise or.
23541         (gimplify_expr): Add cast to enum type.
23542         * ipa-prop.c (update_jump_functions_after_inlining): Change
23543         IPA_BOTTOM to IPA_JF_UNKNOWN.
23544         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
23545         Add casts to enum type.
23546         (setup_cover_and_important_classes): Change cl to int.  Add casts
23547         to enum type.
23548         (setup_class_translate): Change cl and mode to int.
23549         (ira_init_once): Change mode to int.
23550         (free_register_move_costs): Likewise.
23551         (setup_prohibited_mode_move_regs): Add casts to enum type.
23552         * langhooks.c (add_builtin_function_common): Rework assertion that
23553         value fits bitfield.
23554         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
23555         * omega.c (omega_do_elimination): Avoid math on enum types.
23556         * optabs.c (expand_vec_shift_expr): Remove casts to int.
23557         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
23558         int local to handle integral_argment value.
23559         * regmove.c (try_auto_increment): Change PUT_MODE to
23560         PUT_REG_NOTE_KIND.
23561         * reload.c (push_secondary_reload): Add casts to enum type.
23562         (secondary_reload_class, find_valid_class): Likewise.
23563         * reload1.c (emit_input_reload_insns): Likewise.
23564         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
23565         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
23566         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
23567         constant.
23568         * tree.c (build_common_builtin_nodes): Add casts to enum type.
23569         * tree-complex.c (complex_lattice_t): Typedef to int rather than
23570         enum type.
23571         (expand_complex_libcall): Add casts to enum type.
23572         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
23573         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
23574         with ERROR_MARK, not NUM_TREE_CODES.
23575         (vect_create_epilog_for_reduction): Likewise.
23576         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
23577         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
23578         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
23579         enum machine_mode.
23580         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
23581         vect_unused_in_loop.  Change 0 to loop_vect.
23582         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
23583         * var-tracking.c (get_init_value): Change return type to enum
23584         var_init_status.
23585         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
23586         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
23587         arm_fp_model.
23588         (arm_override_options): Add casts to enum type.
23589         (arm_emit_tls_decoration): Likewise.
23590         * config/i386/i386.c (ix86_function_specific_restore): Add casts
23591         to enum type.
23592         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
23593         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
23594         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
23595         enum type.
23596         * config/s390/s390.c (code_for_builtin_64): Change to array of
23597         enum insn_code.
23598         (code_for_builtin_31): Likewise.
23599         (s390_expand_builtin): Change code_for_builtin to enum insn_code
23600         const *.
23601         * config/sparc/sparc.c (sparc_override_options): Change value
23602         field in struct code_model to enum cmodel.  In initializer change
23603         0 to NULL and add cast to enum type.
23604
23605         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
23606         Change all callers.  Issue a -Wc++-compat warning using
23607         lhs_origtype if necessary.
23608         (convert_for_assignment): Issue -Wc++-compat warnings about
23609         invalid conversions to enum type on assignment.
23610         * c-common.h (build_modify_expr): Update declaration.
23611
23612 2009-04-24  Nick Clifton  <nickc@redhat.com>
23613
23614         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
23615         (function_arg_advance): Likewise.
23616         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
23617         5th alternative.
23618
23619 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
23620
23621         * config/s390/constraints.md ('I', 'J'): Fix condition.
23622
23623 2009-04-24  Diego Novillo  <dnovillo@google.com>
23624
23625         * gengtype-parse.c (parse_error): Add newline after message.
23626
23627 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
23628
23629         * config/i386/sse.md (avxmodesuffixs): Removed.
23630         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
23631         (*avx_pinsr<ssevecsize>): This.
23632
23633 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
23634
23635         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
23636         follow chains of regs with a single definition, and allow expressions
23637         that are function_invariant_p.
23638         (simple_rhs_p): Allow expressions that are function_invariant_p.
23639
23640 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
23641
23642         PR middle-end/39867
23643         * fold-const.c (fold_cond_expr_with_comparison): When folding
23644         > and >= to MAX, make sure the MAX uses the same type as the
23645         comparison's operands.
23646
23647 2009-04-24  Nick Clifton  <nickc@redhat.com>
23648
23649         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
23650         addressing for DImode accesses.
23651         (frv_print_operand_address): Handle PLUS case.
23652         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
23653
23654 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
23655
23656         PR rtl-optimization/39794
23657         * alias.c (canon_true_dependence): Add x_addr argument.
23658         * rtl.h (canon_true_dependence): Adjust prototype.
23659         * cse.c (check_dependence): Adjust canon_true_dependence callers.
23660         * cselib.c (cselib_invalidate_mem): Likewise.
23661         * gcse.c (compute_transp): Likewise.
23662         * dse.c (scan_reads_nospill): Likewise.
23663         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
23664         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
23665         canon_base_addr of the group, plus optional offset.
23666         (struct group_info): Rename canon_base_mem to
23667         canon_base_addr.
23668         (get_group_info): Set canon_base_addr to canon_rtx of base, not
23669         canon_rtx of base_mem.
23670
23671 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
23672
23673         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
23674         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
23675
23676 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
23677
23678         * config/spu/spu-builtins.h: Delete file.
23679
23680         * config/spu/spu.h (enum spu_builtin_type): Move here from
23681         spu-builtins.h.
23682         (struct spu_builtin_description): Likewise.  Add GTY marker.
23683         Do not use enum spu_function_code or enum insn_code.
23684         (spu_builtins): Add extern declaration.
23685
23686         * config/spu/spu.c: Do not include "spu-builtins.h".
23687         (enum spu_function_code, enum spu_builtin_type_index,
23688         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
23689         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
23690         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
23691         unsigned_V2DI_type_node): Move here from spu-builtins.h.
23692         (spu_builtin_types): Make static.  Add GTY marker.
23693         (spu_builtins): Add extern declaration with GTY marker.
23694         Include "gt-spu.h".
23695
23696         * config/spu/spu-c.c: Do not include "spu-builtins.h".
23697         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
23698         Check programmatically whether all parameters are scalar.
23699
23700         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
23701
23702 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
23703
23704         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
23705         assignment from the constructor either if the target is volatile.
23706
23707 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
23708
23709         * config/arm/arm.md (insv): Do not share operands[0].
23710
23711 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
23712
23713         * config/vxlib-tls.c (active_tls_threads): Delete.
23714         (delete_hook_installed): New.
23715         (tls_delete_hook): Don't delete the delete hook.
23716         (tls_destructor): Delete it here.
23717         (__gthread_set_specific): Adjust installing the delete hook.
23718         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
23719         __gthread_leave_tsd_dtor_context.
23720
23721 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
23722
23723         * c-format.c (gcc_tdiag_char_table): Add support for %E.
23724
23725 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
23726
23727         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
23728         enum type.
23729         (alpha_rtx_costs): Ditto.
23730         (emit_unlikely_jump): Use add_reg_note.
23731         (emit_frame_store_1): Ditto.
23732         (alpha_expand_prologue): Ditto.
23733         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
23734         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
23735
23736 2009-04-23  Nick Clifton  <nickc@redhat.com>
23737
23738         * config/v850/v850.md (epilogue): Remove suppressed code.
23739         (return): Rename to return_simple and remove test of frame size.
23740         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
23741         to gen_return_simple.
23742
23743 2009-04-22  Jing Yu  <jingyu@google.com>
23744
23745         PR testsuite/39781
23746         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
23747
23748 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
23749
23750         PR C/31499
23751         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
23752         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
23753         value is a VECTOR_CST, the element type is the element type of the
23754         vector.
23755
23756 2009-04-22  DJ Delorie  <dj@redhat.com>
23757
23758         * config/m32c/m32c.h: Update GTY annotations to new syntax.
23759
23760 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
23761
23762         * alias.c (find_base_term): Move around LO_SUM case, so that
23763         CONST falls through into PLUS/MINUS handling.
23764
23765         PR c/39855
23766         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
23767         into 0, use omit_one_operand.
23768
23769 2009-04-23  Ben Elliston  <bje@au.ibm.com>
23770
23771         * config/rs6000/linux-unwind.h (get_regs): Remove type
23772         puns. Change the type of `pc' to an array of unsigned ints and
23773         update all users.  Constify frame24.
23774
23775 2009-04-22  DJ Delorie  <dj@redhat.com>
23776
23777         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
23778         declarations before code.
23779         (current_function_special_page_vector): Likewise.
23780         (m32c_expand_insv): Silence a warning.
23781
23782 2009-04-21  Taras Glek  <tglek@mozilla.com>
23783
23784         * alias.c: Update GTY annotations to new syntax.
23785         * basic-block.h: Likewise.
23786         * bitmap.h: Likewise.
23787         * c-common.h: Likewise.
23788         * c-decl.c: Likewise.
23789         * c-parser.c: Likewise.
23790         * c-pragma.c: Likewise.
23791         * c-tree.h: Likewise.
23792         * cfgloop.h: Likewise.
23793         * cgraph.h: Likewise.
23794         * config/alpha/alpha.c: Likewise.
23795         * config/arm/arm.h: Likewise.
23796         * config/avr/avr.h: Likewise.
23797         * config/bfin/bfin.c: Likewise.
23798         * config/cris/cris.c: Likewise.
23799         * config/darwin.c: Likewise.
23800         * config/frv/frv.c: Likewise.
23801         * config/i386/i386.c: Likewise.
23802         * config/i386/i386.h: Likewise.
23803         * config/i386/winnt.c: Likewise.
23804         * config/ia64/ia64.h: Likewise.
23805         * config/iq2000/iq2000.c: Likewise.
23806         * config/mips/mips.c: Likewise.
23807         * config/mmix/mmix.h: Likewise.
23808         * config/pa/pa.c: Likewise.
23809         * config/pa/pa.h: Likewise.
23810         * config/rs6000/rs6000.c: Likewise.
23811         * config/s390/s390.c: Likewise.
23812         * config/sparc/sparc.c: Likewise.
23813         * config/xtensa/xtensa.c: Likewise.
23814         * cselib.h: Likewise.
23815         * dbxout.c: Likewise.
23816         * dwarf2out.c: Likewise.
23817         * except.c: Likewise.
23818         * except.h: Likewise.
23819         * fixed-value.h: Likewise.
23820         * function.c: Likewise.
23821         * function.h: Likewise.
23822         * gimple.h: Likewise.
23823         * integrate.c: Likewise.
23824         * optabs.c: Likewise.
23825         * output.h: Likewise.
23826         * real.h: Likewise.
23827         * rtl.h: Likewise.
23828         * stringpool.c: Likewise.
23829         * tree-data-ref.c: Likewise.
23830         * tree-flow.h: Likewise.
23831         * tree-scalar-evolution.c: Likewise.
23832         * tree-ssa-address.c: Likewise.
23833         * tree-ssa-alias.h: Likewise.
23834         * tree-ssa-operands.h: Likewise.
23835         * tree.c: Likewise.
23836         * tree.h: Likewise.
23837         * varasm.c: Likewise.
23838         * varray.h: Likewise.
23839         * vec.h: Likewise.
23840         * coretypes.h: Do not define GTY macro if it is already defined.
23841         * doc/gty.texi: Update GTY documentation to new syntax.
23842         * gengtype-lex.l: Enforce attribute-like syntax for GTY
23843         annotations on structs.
23844         * gengtype-parse.c: Likewise.
23845
23846 2009-04-22  Mark Heffernan  <meheff@google.com>
23847
23848         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
23849
23850 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
23851
23852         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
23853         where appropriate.
23854
23855 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
23856
23857         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
23858         the same as a PLUS without a shift.  Increase the cost of a
23859         CONST_INT in MULT.
23860
23861 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23862
23863         * Makefile.in: Update dependencies.
23864         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
23865         * errors.h: Remove bogus comment about compatibility.
23866         (warning): Update declaration.
23867         * genautomata.c: Update all calls to warning.
23868         * gimple.c: Do not include errors.h. Include toplev.h.
23869         * tree-ssa-structalias.c: Do not include errors.h.
23870         * omega.c: Likewise.
23871         * tree-ssa-reassoc.c: Likewise.
23872         * config/spu/spu-c.c: Likewise.
23873         * config/spu/t-spu-elf: Update dependencies.
23874
23875 2009-04-22  Richard Guenther  <rguenther@suse.de>
23876
23877         PR tree-optimization/39824
23878         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
23879         make sure the types are compatible.
23880
23881 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23882
23883         PR c++/14875
23884         * c-common.c (c_parse_error): Take a token_flags parameter.
23885         Use token_type for the token type instead.
23886         Pass token_flags to cpp_type2name.
23887         * c-common.h (c_parse_error): Update declaration.
23888         * c-parser.c (c_parser_error): Pass 0 as token flags.
23889
23890 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
23891
23892         PR rtl-optimization/39580
23893         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.
23894
23895 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
23896
23897         * function.c (expand_function_end): Do not emit a jump to the "naked"
23898         return label for fall-through returns.
23899         * except.c (sjlj_emit_function_exit): Always place the call to the
23900         unregister function at the location installed by expand_function_end.
23901
23902 2009-04-22  Richard Guenther  <rguenther@suse.de>
23903
23904         PR tree-optimization/39845
23905         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
23906         (gen_inbound_check): Likewise.
23907
23908 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
23909
23910         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
23911         padding for PPC.
23912         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
23913         * config/vxlib.c (__gthread_once): Add race guard for PPC.
23914
23915 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
23916
23917         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
23918         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
23919         shift counts to avoid out-of-bounds array accesses.
23920
23921 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
23922
23923         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
23924         (Pmode): Move above.
23925
23926 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
23927
23928         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
23929         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
23930         GET_CODE macro.  Use IN_RANGE macro where appropriate.
23931         * config/alpha/alpha.h: Ditto.
23932         * config/alpha/alpha.md: Ditto.
23933         * config/alpha/constraints.md: Ditto.
23934         * config/alpha/predicates.md: Ditto.
23935
23936 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
23937
23938         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
23939         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23940         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23941         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23942         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23943         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23944         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23945         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23946         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23947         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23948         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23949         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23950         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23951         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23952         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23953         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23954         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23955         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23956         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23957         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23958         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23959         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23960         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23961         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23962         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23963         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23964         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23965
23966 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
23967
23968         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
23969         references from comments.
23970         * cfgbuild.c (count_basic_blocks): Delete.
23971         (find_basic_blocks_1): Delete.
23972         (find_basic_blocks): Delete.
23973         * except.c (finish_eh_generation): Make static.  Move comment from
23974         except.h here.  Remove find_basic_blocks references from comments.
23975         * except.h (finish_eh_generation): Delete.
23976         * basic-block.h (find_basic_blocks): Delete.
23977         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
23978
23979 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
23980
23981         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
23982         (sdbout_parms):  Likewise.
23983
23984 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
23985
23986         * config/sh/sh.c (prepare_cbranch_operands): Use
23987         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
23988         (expand_cbranchdi4): Likewise.
23989         (from_compare): Add cast to enum type.
23990         (expand_cbranchsi4): Use add_reg_note.
23991         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
23992         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
23993         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
23994         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
23995         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
23996         instead of CODE_FOR_nothing.
23997         (cbranchdi4): Likewise.  Fix the order of arguments for
23998         gen_rtx_fmt_ee.
23999         (push_fpscr): Use add_reg_note.
24000         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
24001         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
24002
24003 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
24004
24005         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
24006         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
24007         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
24008         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
24009         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
24010         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
24011         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
24012         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
24013         config/alpha/x-vms, config/arc/t-arc,
24014         config/arm/README-interworking, config/arm/arm-c.c,
24015         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
24016         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
24017         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
24018         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
24019         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
24020         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
24021         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
24022         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
24023         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
24024         config/cris/t-elfmulti, config/crx/t-crx,
24025         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
24026         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
24027         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
24028         config/h8300/t-h8300, config/i386/athlon.md,
24029         config/i386/darwin-libgcc.10.4.ver,
24030         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
24031         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
24032         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
24033         config/i386/t-linux64, config/i386/t-nwld,
24034         config/i386/t-rtems-i386, config/i386/t-sol2-10,
24035         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
24036         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
24037         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
24038         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
24039         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
24040         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
24041         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
24042         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
24043         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
24044         config/m68k/t-uclinux, config/mcore/t-mcore,
24045         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
24046         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
24047         config/mips/crtn.asm, config/mips/irix-crti.asm,
24048         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
24049         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
24050         config/mips/mips-fixed.md, config/mips/sb1.md,
24051         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
24052         config/mips/t-iris6, config/mips/t-isa3264,
24053         config/mips/t-libgcc-mips16, config/mips/t-linux64,
24054         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
24055         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
24056         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
24057         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
24058         config/mn10300/t-linux, config/mn10300/t-mn10300,
24059         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
24060         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
24061         config/picochip/libgccExtras/clzsi2.asm,
24062         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
24063         config/rs6000/darwin-libgcc.10.4.ver,
24064         config/rs6000/darwin-libgcc.10.5.ver,
24065         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
24066         config/rs6000/t-aix43, config/rs6000/t-aix52,
24067         config/rs6000/t-darwin, config/rs6000/t-fprules,
24068         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
24069         config/rs6000/t-lynx, config/rs6000/t-netbsd,
24070         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
24071         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
24072         config/rs6000/t-rtems, config/rs6000/t-spe,
24073         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
24074         config/score/t-score-elf, config/sh/divcost-analysis,
24075         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
24076         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
24077         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
24078         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
24079         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
24080         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
24081         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
24082         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
24083         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
24084         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
24085         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
24086         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
24087         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
24088         limitx.h, version.c, xcoff.h: Add copyright and license notices.
24089         * config/h8300/genmova.sh: Include copyright and license notices
24090         in generated output.
24091         * config/h8300/mova.md: Regenerate.
24092         * doc/install.texi2html: Include word "Copyright" in copyright
24093         notice and use name "Free Software Foundation, Inc.".
24094         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
24095         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
24096         ChangeLog-2007, ChangeLog-2008: Correct dates.
24097
24098 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
24099
24100         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
24101         NE_EXPR operations as well.
24102         * c-parser.c (c_parser_condition): Do not set location information on
24103         the condition.
24104         (c_parser_conditional_expression): Likewise.
24105         (c_parser_binary_expression): Set location information on operators.
24106         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
24107         TRUTH_NOT_EXPR has been folded.
24108         * fold-const.c (fold_truth_not_expr): Copy location information from
24109         the incoming expression to the outgoing one.
24110         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
24111         recursive calls on the LHS of the operator but pass that of the
24112         operator to recursive calls on the RHS of the operator.  Set it
24113         on the COND_EXPR.
24114         (shortcut_cond_expr): Set the locus of the operator on the second
24115         COND_EXPR and that of the expression on the first in degenerate cases.
24116         Pass the locus of the expression to calls to shortcut_cond_r.
24117         Set the locus of the 'then' block on the associated jump, if any.
24118         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
24119         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
24120         expression to call to gimplify_boolean_expr.
24121
24122 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
24123
24124         * config.gcc: Add additional configuration for
24125         i686-w64-mingw* and x86_64-w64-mingw* triplet.
24126         * config/i386/mingw-w64.h: New mingw-w64 specific header.
24127         (CPP_SPEC): Redefine for allowing -municode option.
24128         (STARTFILE_SPEC): Likewise.
24129         * config/i386/t-mingw-w64: New.
24130         * config/i386/mingw-w64.opt: New.
24131         (municode): Add new target option.
24132         * doc/invoke.texi (municode): Add documentation for new option.
24133
24134 2009-04-21  Ian Lance Taylor  <iant@google.com>
24135
24136         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
24137         Correct test for number of arguments.
24138         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
24139
24140 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
24141
24142         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
24143         argument of emit_library_call.
24144
24145 2009-04-21  Richard Guenther  <rguenther@suse.de>
24146
24147         PR middle-end/39829
24148         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
24149         inside VIEW_CONVERT_EXPRs.
24150
24151 2009-04-21  Martin Jambor  <mjambor@suse.cz>
24152
24153         * tree-switch-conversion.c (build_constructors): Split a long line.
24154         (constructor_contains_same_values_p): New function.
24155         (build_one_array): Create assigns of constants if possible, do not
24156         call mark_sym_for_renaming, call update_stmt.
24157         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
24158         make_rename_temp.  Do not call mark_symbols_for_renaming, call
24159         update_stmt.
24160         (gen_def_assigns): Do not call mark_symbols_for_renaming or
24161         find_new_referenced_vars, call update_stmt.
24162         (gen_inbound_check): Use create_tmp_var and create ssa names manually
24163         instead of calling make_rename_temp.  Do not call
24164         find_new_referenced_vars or mark_symbols_for_renaming, call
24165         update_stmt.
24166
24167 2009-04-21  Richard Guenther  <rguenther@suse.de>
24168
24169         PR tree-optimization/39827
24170         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
24171         (tree_ssa_phiprop): Pass the correct array size.
24172
24173 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
24174
24175         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
24176
24177 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
24178
24179         PR 16202
24180         * c-typeck.c (lvalue_p): Move declaration ...
24181         * c-common.h (lvalue_p): ... to here.
24182         * c-common.c (candidate_equal_p): New.
24183         (add_tlist): Use it.
24184         (merge_tlist): Use it.
24185         (warn_for_collisions_1): Likewise.
24186         (warning_candidate_p): Accept more candidates.
24187         (verify_tree): A warning candidate can be an expression. Use
24188         candidate_equal_p.
24189
24190 2009-04-21  Ben Elliston  <bje@au.ibm.com>
24191
24192         PR target/5267
24193         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
24194         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
24195         options.  Remove -mcall-solaris documentation.
24196
24197 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24198
24199         PR c++/13358
24200         * doc/invoke.texi (-Wlong-long): Update description.
24201         * c-lex (interpret_integer): Only warn if there was no previous
24202         overflow and -Wlong-long is enabled.
24203         * c-decl.c (declspecs_add_type): Drop redundant flags.
24204         * c.opt (Wlong-long): Init to -1.
24205         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
24206         and front-end warn_long_long. Wlong-long only depends on other
24207         flags if it is uninitialized.
24208         * c-parser.c (disable_extension_diagnostics): warn_long_long is
24209         the same for CPP and FE.
24210         (restore_extension_diagnostics): Likewise.
24211
24212 2009-04-20  Ian Lance Taylor  <iant@google.com>
24213
24214         Fix enum conversions which are invalid in C++:
24215         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
24216         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
24217         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
24218         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
24219         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
24220         (dbxout_parms): Likewise.
24221         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
24222         (df_clear_flags): Likewise.
24223         * df-problems.c (df_rd_bb_local_compute_process_def): Change
24224         top_flag parameter to int.
24225         (df_chain_create_bb_process_use): Likewise.
24226         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
24227         Remove cast.
24228         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
24229         (df_ref_create_structure, df_def_record_1): Likewise.
24230         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
24231         (df_notes_rescan): Change 0 to VOIDmode in function call.
24232         (df_get_call_refs, df_insn_refs_collect): Likewise.
24233         (df_bb_regs_collect): Likewise.
24234         (df_entry_block_defs_collect): Likewise.
24235         (df_exit_block_uses_collect): Likewise.
24236         * df.h: Update declarations.
24237         * double-int.c (double_int_divmod): Add cast to enum type.
24238         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
24239         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
24240         (based_loc_descr): Likewise.
24241         (loc_descriptor_from_tree_1): Change first_op and second_op to
24242         enum dwarf_location_atom.  Add cast to enum type.
24243         * expmed.c (init_expmed): Change 0 to SET in function call.
24244         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
24245         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
24246         (do_store_flag): Likewise.
24247         * fixed-value.h (struct fixed_value): Change mode to enum
24248         machine_mode.
24249         * function.c (assign_parms): Change 0 to VOIDmode in function call.
24250         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
24251         function call.
24252         (insert_insn_decl, insert_decl, insert_state): Likewise.
24253         (automata_list_finish): Likewise.
24254         * genrecog.c (process_define_predicate): Add cast to enum type.
24255         * gensupport.c (init_predicate_table): Add cast to enum type.
24256         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
24257         function call.
24258         (gimple_build_call_1, gimple_build_label): Likewise.
24259         (gimple_build_goto, gimple_build_asm_1): Likewise.
24260         (gimple_build_switch_1, gimple_build_cdt): Likewise.
24261         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
24262         (enum fallback): Rename from enum fallback_t.
24263         (fallback_t): Typedef as int.
24264         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
24265         GSI_SAME_STMT in function call.
24266         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
24267         enum type.
24268         (setup_reg_class_relations): Likewise.
24269         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
24270         (setup_prohibited_class_mode_regs): Add cast to enum type.
24271         (setup_prohibited_mode_move_regs): Likewise.
24272         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
24273         (record_address_regs): Change i to enum reg_class.
24274         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
24275         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
24276         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
24277         (GET_MODE_2XWIDER_MODE): Likewise.
24278         (GET_CLASS_NARROWEST_MODE): Likewise.
24279         * omp-low.c (expand_omp_for): Add cast to enum type.
24280         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
24281         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
24282         * postreload.c (reload_cse_simplify_operands): Change rclass local
24283         to enum reg_class.
24284         * predict.c (combine_predictions_for_insn): Change best_predictor
24285         and predictor to enum br_predictor.
24286         (combine_predictions_for_bb): Likewise.
24287         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
24288         use SET_PREDICT_EXPR_OUTCOME.
24289         * real.c (real_arithmetic): Change icode to code in function call.
24290         * reginfo.c (init_move_cost): Add casts to enum type.
24291         (init_reg_sets_1, init_fake_stack_mems): Likewise.
24292         * regmove.c (regclass_compatible_p): Change class0 and class1 to
24293         enum reg_class.
24294         * reload.c (find_valid_class): Add casts to enum type.
24295         (push_reload): Change 0 to NO_REGS in function call.
24296         (find_reloads): Change this_alternative to array of enum
24297         reg_class.  Remove some now-unnecessary casts.
24298         (make_memloc): Change 0 to VOIDmode in function call.
24299         * reload1.c (reload): Change 0 to VOIDmode in function call.
24300         (eliminate_regs_1, elimination_effects): Likewise.
24301         (eliminate_regs_in_insn): Likewise.
24302         (emit_input_reload_insns): Add cast to enum type.
24303         (delete_output_reload): Change 0 to VOIDmode in function call.
24304         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
24305         to enum type in function call.
24306         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
24307         (SET_PREDICT_EXPR_OUTCOME): Define.
24308         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
24309         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
24310         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
24311         (dump_function): Likewise.
24312         * tree-dump.h: Update declarations.
24313         * tree-pass.h: Update declarations.
24314         * varasm.c (assemble_integer): Change mclass to enum mode_class.
24315         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
24316         enum type.
24317         (arm_rtx_costs_1): Correct parenthesization.
24318         (arm_rtx_costs): Add casts to enum type.
24319         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
24320         (vfp_emit_fstmd): Use add_rg_note.
24321         (emit_multi_reg_push, emit_sfm): Likewise.
24322         (thumb_set_frame_pointer): Likewise.
24323         (arm_expand_prologue): Likewise.
24324         (arm_regno_class): Change return type to enum reg_class.
24325         (thumb1_expand_prologue): Use add_reg_note.
24326         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
24327         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
24328         in function call.
24329         * config/arm/gentune.sh: Add cast to enum type.
24330         * config/arm/arm-tune.md: Rebuild.
24331         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
24332         (ix86_split_fp_branch, predict_jump): Likewise.
24333         (ix86_expand_multi_arg_builtin): Change sub_code from enum
24334         insn_code to enum rtx_code.
24335         (ix86_builtin_vectorized_function): Add cast to enum type.
24336         * config/i386/i386.md (truncdfsf2): Change slot to enum
24337         ix86_stack_slot.
24338         (truncxf<mode>2, isinf<mode>2): Likewise.
24339         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
24340         enum type.
24341         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
24342         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
24343         (insert_bundle_state): Change 1 to INSERT in function call.
24344         (ia64_add_bundle_selector_before): Likewise.
24345         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
24346         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
24347         (restore_stack_nonlocal): Likewise.
24348         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
24349         function call.
24350         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
24351         function call.
24352         (mips_rtx_costs): Likewise.
24353         (mips_override_options): Add casts to enum type.
24354         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
24355         in function call.
24356         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
24357         (store_reg, set_reg_plus_d): Likewise.
24358         (hppa_expand_prologue, hppa_profile_hook): Likewise.
24359         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
24360         cast to enum type.
24361         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
24362         function call.
24363         (emit_unlikely_jump): Use add_reg_note.
24364         (rs6000_emit_allocate_stack): Likewise.
24365         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
24366         (output_toc): Change 1 to INSERT in function call.
24367         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
24368         (rs6000_initialize_trampoline): Likewise.
24369         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
24370         function call.
24371         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
24372         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
24373         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
24374         (save_gprs): Use add_reg_note.
24375         (s390_emit_prologue): Likewise.
24376         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
24377         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
24378         (sparc_fold_builtin): Add cast to enum type.
24379         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
24380         enum insn_code.
24381         (spu_expand_prologue): Use add_reg_note.
24382         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
24383
24384 2009-04-20  Ian Lance Taylor  <iant@google.com>
24385
24386         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
24387         (c_parser_postfix_expression_after_primary): Get VEC for list of
24388         arguments.  Get original types of arguments.  Call
24389         build_function_call_vec.
24390         (cached_expr_list_1, cached_expr_list_2): New static variables.
24391         (c_parser_expr_list): Change return type to VEC *.  Add
24392         p_orig_types parameter.  Change all callers.
24393         (c_parser_release_expr): New static function.
24394         (c_parser_vec_to_tree_list): New static function.
24395         * c-typeck.c (build_function_call): Rewrite to build a VEC and
24396         call build_function_call_vec.
24397         (build_function_call_vec): New function, based on old
24398         build_function_call.
24399         (convert_arguments): Remove nargs and argarray parameters.  Change
24400         values to a VEC.  Add origtypes parameter.
24401         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
24402         (convert_for_assignment): Add origtype parameter.  Change all
24403         callers.  If warn_cxx_compat, check for conversion to an enum
24404         type when calling a function.
24405         (store_init_value): Add origtype parameter.  Change all callers.
24406         (digest_init): Likewise.
24407         (struct init_node): Add origtype field.
24408         (add_pending_init): Add origtype parameter.  Change all callers.
24409         (output_init_element): Likewise.
24410         (output_pending_init_elements): Pass origtype from init_node to
24411         output_init_element.
24412         (process_init_element): Pass origtype from c_expr to
24413         output_init_element.
24414         (c_finish_return): Add origtype parameter.  Change all callers.
24415         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
24416         caller.
24417         (sync_resolve_params): Likewise.
24418         (sync_resolve_return): Change params to first_param.  Change caller.
24419         (resolve_overloaded_builtins): Change params to VEC *.  Change
24420         callers.  Save first parameter around call to build_function_call_vec.
24421         * c-decl.c (finish_decl): Add origtype parameter.  Change all
24422         callers.  Call build_function_call_vec rather than
24423         build_function_call for cleanup.
24424         * c-tree.h: Update declarations.
24425         * c-common.h: Update declarations.
24426         * stub-objc.c (objc_rewrite_function_call): Change parameter from
24427         params to first_param.
24428         * target.h (struct gcc_target): Change resolve_overloaded_builtin
24429         params parameter from tree to void *.
24430         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
24431         Change arglist parameter to have type void *, and to be a pointer
24432         to a VEC.
24433         * config/rs6000/rs6000-protos.h
24434         (altivec_resolve_overloaded_builtin): Update declaration.
24435         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
24436         fnargs parameter to have type void *, and to be a pointer to a
24437         VEC.  Call build_function_call_vec instead of
24438         build_function_call.
24439         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
24440
24441 2009-04-20  Joey Ye  <joey.ye@intel.com>
24442             Xuepeng Guo  <xuepeng.guo@intel.com>
24443             H.J. Lu  <hongjiu.lu@intel.com>
24444
24445         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
24446
24447         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
24448         (IX86_LEA_PRIORITY): Likewise.
24449         (distance_non_agu_define): New function.
24450         (distance_agu_use): Likewise.
24451         (ix86_lea_for_add_ok): Likewise.
24452         (ix86_dep_by_shift_count): Likewise.
24453
24454         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
24455         should split for LEA.
24456
24457         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
24458         function.
24459         (ix86_dep_by_shift_count): Likewise.
24460
24461 2009-04-20  Richard Guenther  <rguenther@suse.de>
24462
24463         * expr.c (handled_component_p): Move ...
24464         * tree.h (handled_component_p): ... here.
24465         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
24466         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
24467         and REALPART_EXPR to be in one group.
24468
24469 2009-04-20  Richard Guenther  <rguenther@suse.de>
24470
24471         * basic-block.h (get_all_dominated_blocks): Declare.
24472         * dominance.c (get_all_dominated_blocks): New function.
24473         * tree-cfg.c (get_all_dominated_blocks): Remove.
24474         (remove_edge_and_dominated_blocks): Adjust.
24475         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
24476         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
24477         instead of recursing.
24478
24479 2009-04-20  Doug Kwan  <dougkwan@google.com>
24480
24481         * cgraph.h (cgraph_node_ptr): New type for vector functions.
24482         (struct cgraph_node_set_def): New type.
24483         (cgraph_node_set) New type. Also declare vector functions.
24484         (struct cgraph_node_set_element_def): New type.
24485         (cgraph_node_set_element): Ditto.
24486         (cgraph_node_set_iterator): New iterator type.
24487         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
24488         cgraph_node_set_remove, dump_cgraph_node_set,
24489         debug_cgraph_node_set): New prototypes.
24490         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
24491         cgraph_node_set_size): New inlines.
24492         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
24493         including cgraph.h.
24494         (struct ipa_opt_pass): Add struct cgraph_node_set_def
24495         argument to function 'write_summary'.
24496         * ipa.c: Include ggc.h.
24497         (hash_cgraph_node_set_element,
24498         eq_cgraph_node_set_element, cgraph_node_set_new,
24499         cgraph_node_set_add, cgraph_node_set_remove,
24500         cgraph_node_set_find, dump_cgraph_node_set,
24501         debug_cgraph_node_set): New functions.
24502         * Makefile.in (ipa.o): Add dependency on GGC_H.
24503
24504 2009-04-20  Ira Rosen  <irar@il.ibm.com>
24505
24506         PR tree-optimization/39675
24507         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
24508         check of the return code of vect_schedule_slp. Check that
24509         stmt_vec_info still exists for the statement, before checking its
24510         vectorization type.
24511
24512 2009-04-20  Michael Matz  <matz@suse.de>
24513
24514         * Makefile.in (generated_files): Take out $(simple_generated_c).
24515
24516 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
24517
24518         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
24519         (UINTPTR_TYPE):  Likewise.
24520
24521 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
24522
24523         PR c/37481
24524         * c-typeck.c (digest_init): Check for initializing an array with a
24525         string literal.
24526
24527 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
24528
24529         PR c/19771
24530         * c-semantics.c (pop_stmt_list): Propagate
24531         STATEMENT_LIST_HAS_LABEL to parent statement list.
24532
24533 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
24534
24535         * config/mips/mips.h (mips_tune_attr): New macro.
24536         * config/mips/mips.md (cpu): Use it.
24537
24538 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
24539
24540         PR c/38243
24541         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
24542         declaring a tag.
24543
24544 2009-04-19  Diego Novillo  <dnovillo@google.com>
24545
24546         * toplev.c (compile_file): Move call to coverage_finish ...
24547         * cgraphunit.c (ipa_passes): ... here.
24548         Call cgraph_process_new_functions.
24549         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
24550         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
24551
24552 2009-04-19  Jan Hubicka  <jh@suse.cz>
24553
24554         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
24555         cfun.
24556         (dump_cgraph_node): Dump can throw external flag.
24557         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
24558
24559 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
24560
24561         PR c/32061
24562         PR c++/36954
24563         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
24564         * common.opt (Wlogical-op): Move from here...
24565         * c.opt (Wlogical-op): ... to here.
24566         * c-typeck.c (parser_build_binary_op): Update call to
24567         warn_logical_operator.
24568         * c-opts.c (c_common_post_options): Enable warn_logical_op with
24569         extra_warnings.
24570         * c-common.c (warn_logical_op): Update.
24571         * c-common.h (warn_logical_op): Update declaration.
24572
24573 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
24574
24575         * tree.c (protected_set_expr_location): Fix formatting.
24576
24577 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
24578
24579         PR c/27676
24580         * c-typeck.c (readonly_warning): new.
24581         (build_unary_op, build_modify_expr): Use readonly_warning for
24582         storing into something readonly but not const-qualified.
24583
24584 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
24585
24586         PR c/22367
24587         * c-typeck.c (build_unary_op): Check for taking address of
24588         expression of type void.
24589
24590 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
24591
24592         PR c/35210
24593         * c-typeck.c (build_function_call): Check for calling a function
24594         with qualified void return types.  Call require_complete_type when
24595         generating a trap.
24596
24597 2009-04-18  Jan Hubicka  <jh@suse.cz>
24598
24599         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
24600         Set nothrow flag.
24601         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
24602         can_throw_external flag.
24603         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
24604         * ipa-pure-const.c (ignore_edge): New function.
24605         (propagate): Compute order for NOTHROW computation; set NOTHROWs
24606         only over can_throw_external edges.
24607         (local_pure_const): Add nothrow flag.
24608         * ipa-utils.c (searchc): Add ignore_edge callback.
24609         (ipa_utils_reduced_inorder): Add ignore_edge callback.
24610         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
24611         (set_nothrow_function_flags): Update cgraph.
24612         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
24613
24614 2009-04-18  Richard Guenther  <rguenther@suse.de>
24615
24616         PR middle-end/39804
24617         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
24618         (fold_stmt): ... this and ...
24619         (fold_stmt_inplace): ... this.
24620         (fold_stmt_1): Fold references in calls and asms.
24621         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
24622
24623 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
24624
24625         * tree-vrp.c (ssa_name_nonzero_p): Remove.
24626         * tree.h: Remove the prototype for ssa_name_nonzero_p.
24627
24628 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
24629
24630         * tree.c (function_args_count): Remove.
24631         * tree.h: Remove the prototype for function_args_count.
24632
24633 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
24634
24635         * tree-iterator.c (expr_only): Remove.
24636         * tree.h: Remove the prototype for expr_only.
24637
24638 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
24639
24640         * reginfo.c (cannot_change_mode_set_regs): Remove.
24641         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
24642
24643 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
24644
24645         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
24646         whether operands 0 and 1 overlaps.
24647
24648 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
24649
24650         PR middle-end/36902
24651         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
24652         pointer. Use warning_at instead of warning.
24653         (search_for_addr_array): Likewise.
24654         (check_array_bounds): Likewise.
24655         (check_all_array_refs): Check that the incoming edge is not in the
24656         list of edges to be removed.
24657         (check_all_array_refs): Avoid the temporal pointer.
24658         (vrp_visit_cond_stmt): Fix typo.
24659         (simplify_switch_using_ranges): Handle the case where the switch
24660         index is an integer constant.
24661
24662 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
24663
24664         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
24665
24666 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
24667
24668         * doc/extend.texi, doc/invoke.texi: Fix typos.
24669
24670 2009-04-17  Cary Coutant  <ccoutant@google.com>
24671
24672         * tree-flow-inline.h (get_lineno): Fix inverted test.
24673
24674 2009-04-17  Diego Novillo  <dnovillo@google.com>
24675
24676         * tree-ssa-pre.c (create_expression_by_pieces): Remove
24677         assertion for AVAIL_OUT.
24678
24679 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
24680
24681         PR target/38627
24682         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
24683         * config/sh/linux-atomic.asm: Likewise.
24684
24685 2009-04-17  Diego Novillo  <dnovillo@google.com>
24686
24687         * except.c (debug_eh_tree): New.
24688         (struct eh_region, struct eh_status): Move ...
24689         * except.h: ... here.
24690         (add_type_for_runtime): Declare extern.
24691         (lookup_type_for_runtime): Likewise.
24692         (debug_eh_tree): Declare.
24693         * Makefile.in (GTFILES): List except.h before except.c
24694
24695 2009-04-17  Diego Novillo  <dnovillo@google.com>
24696
24697         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
24698         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
24699         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
24700         (find_vars_r): ... here.
24701         * tree-flow.h (find_referenced_vars_in): Declare.
24702         * tree-ssa-pre.c (create_expression_by_pieces): Assert
24703         that AVAIL_OUT exists for BLOCK.
24704         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
24705         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
24706         (tree-parloops.o): Likewise.
24707
24708 2009-04-17  Simon Baldwin  <simonb@google.com>
24709
24710         * toplev.c (default_tree_printer): Add handling for %E format.
24711
24712 2009-04-17  Diego Novillo  <dnovillo@google.com>
24713
24714         * tree-pretty-print.c (dump_generic_node): Add break after
24715         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
24716         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
24717         FUNCTION_TYPE together.  Call print_struct_decl when printing
24718         structures and TDF_SLIM is not given.
24719         (print_struct_decl): Fix logic for detecting recursion.
24720
24721 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
24722
24723         PR 31567
24724         * gcc.c (create_at_file): New.
24725         (compile_input_file_p): New.
24726         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
24727         * main.c (main): Update call to toplev_main.
24728         * toplev.c (toplev_main): Change signature. Call expandargv.
24729         * toplev.h (toplev_main): Change signature.
24730
24731 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
24732
24733         * dwarf2out.c (field_byte_offset): Use the type size as the field size
24734         if the latter is not constant.
24735
24736 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
24737
24738         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
24739
24740 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
24741
24742         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
24743         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
24744
24745 2009-04-17  Richard Guenther  <rguenther@suse.de>
24746
24747         * tree-ssa-structalias.c (get_constraint_for_component_ref):
24748         Handle component references view-converting an invariant address.
24749
24750 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
24751
24752         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
24753         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
24754         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
24755         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
24756         Use @deftypevr rather than @deftypevar.
24757
24758 2009-04-17  Richard Guenther  <rguenther@suse.de>
24759
24760         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
24761         (get_prop_source_stmt): Likewise.
24762         (can_propagate_from): Likewise.
24763
24764 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
24765
24766         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
24767         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
24768         (--with-multilib-list): Add default value.
24769         * configure: Regenerate.
24770         * Makefile.in (TM_ENDIAN_CONFIG): Define.
24771         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
24772         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
24773         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
24774         Don't add default cpu to multilib list unnecessarily, but do enable
24775         the relevant compiler option..
24776         Add support for --with-multilib-list=<blank> and
24777         --with-multilib-list=!<somelib> to supress unwanted multilibs.
24778         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
24779         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
24780         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
24781         TM_MULTILIB_CONFIG.
24782         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
24783         (MULTILIB_OSDIRNAMES): New variable.
24784         * config/sh/t-1e: Delete file.
24785         * config/sh/t-mlib-sh1: Delete file.
24786         * config/sh/t-mlib-sh2: Delete file.
24787         * config/sh/t-mlib-sh2a: Delete file.
24788         * config/sh/t-mlib-sh2a-nofpu: Delete file.
24789         * config/sh/t-mlib-sh2a-single: Delete file.
24790         * config/sh/t-mlib-sh2a-single-only: Delete file.
24791         * config/sh/t-mlib-sh2e: Delete file.
24792         * config/sh/t-mlib-sh3e: Delete file.
24793         * config/sh/t-mlib-sh4: Delete file.
24794         * config/sh/t-mlib-sh4-nofpu: Delete file.
24795         * config/sh/t-mlib-sh4-single: Delete file.
24796         * config/sh/t-mlib-sh4-single-only: Delete file.
24797         * config/sh/t-mlib-sh4a: Delete file.
24798         * config/sh/t-mlib-sh4a-nofpu: Delete file.
24799         * config/sh/t-mlib-sh4a-single: Delete file.
24800         * config/sh/t-mlib-sh4a-single-only: Delete file.
24801         * config/sh/t-mlib-sh4al: Delete file.
24802         * config/sh/t-mlib-sh5-32media: Delete file.
24803         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
24804         * config/sh/t-mlib-sh5-64media: Delete file.
24805         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
24806         * config/sh/t-mlib-sh5-compact: Delete file.
24807         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
24808         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
24809         * doc/install.texi (Options specification): Add
24810         --with-multilib-list and --with-endian.
24811
24812 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
24813
24814         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
24815         REVISION_c.
24816         (OBJS-common): Add plugin-version.o.
24817         (plugin-version.o): New.
24818         * gcc-plugin.h (plugin_gcc_version): New.
24819         (plugin_default_version_check): New.
24820         (plugin_init_func, plugin_init): Add version argument.
24821         * plugin-version.c: New.
24822         * plugin.c (str_plugin_gcc_version_name): New.
24823         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
24824         pass it to the init function.
24825         (plugin_default_version_check): New.
24826
24827 2009-04-17  Richard Guenther  <rguenther@suse.de>
24828
24829         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
24830         for decl-vs-decl disambiguation.
24831
24832 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
24833
24834         * config/s390/s390.h (s390_tune_attr): New macro definition.
24835         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
24836
24837 2009-04-17  Richard Guenther  <rguenther@suse.de>
24838
24839         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
24840         (fold_stmt_r): Likewise.
24841         (maybe_fold_reference): New function.
24842         (fold_gimple_assign): Handle cases fold_stmt_r did.
24843         (fold_stmt): Do not use fold_stmt_r.
24844         (fold_stmt_inplace): Likewise.
24845
24846 2009-04-17  Richard Guenther  <rguenther@suse.de>
24847
24848         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
24849         (record_equivalences_from_stmt): Remove useless checks and
24850         simplifications.
24851         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
24852         the type is already suitable.
24853
24854 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
24855
24856         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
24857
24858 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
24859
24860         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
24861         (CMPtype): Define as __gcc_CMPtype.
24862
24863 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
24864
24865         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
24866         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
24867
24868 2009-04-17  Richard Guenther  <rguenther@suse.de>
24869
24870         PR tree-optimization/39746
24871         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
24872         special-casing for builtins and static variable use/def.
24873         (call_may_clobber_ref_p_1): Likewise.
24874
24875 2009-04-16  Ian Lance Taylor  <iant@google.com>
24876
24877         * df.h: Include "timevar.h".
24878         (struct df_problem): Change tv_id field to timevar_id_t.
24879         * tree-pass.h: Include "timevar.h".
24880         (struct opt_pass): Change tv_id field to timevar_id_t.
24881         * timevar.h (timevar_id_t): Define TV_NONE.
24882         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
24883         TV_NONE rather than tv_id != 0.
24884         (execute_one_pass): Likewise.
24885         * Makefile.in (DF_H): Add $(TIMEVAR_H).
24886         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
24887         dependencies to $(TREE_PASS_H).
24888         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
24889         to TV_NONE.
24890         (pass_branch_target_load_optimize2): Likewise.
24891         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
24892         (pass_outof_cfg_layout_mode): Likewise.
24893         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
24894         (pass_rebuild_cgraph_edges): Likewise.
24895         (pass_remove_cgraph_callee_edges): Likewise.
24896         * df-core.c (pass_df_initialize_opt): Likewise.
24897         (pass_df_initialize_no_opt): Likewise.
24898         (pass_df_finish): Likewise.
24899         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
24900         * except.c (pass_set_nothrow_function_flags): Likewise.
24901         (pass_convert_to_eh_region_ranges): Likewise.
24902         * final.c (pass_compute_alignments): Likewise.
24903         * function.c (pass_instantiate_virtual_regs): Likewise.
24904         (pass_init_function): Likewise.
24905         (pass_leaf_regs): Likewise.
24906         (pass_match_asm_constraints): Likewise.
24907         * gimple-low.c (pass_lower_cf): Likewise.
24908         (pass_mark_used_blocks): Likewise.
24909         * init-regs.c (pass_initialize_regs): Likewise.
24910         * integrate.c (pass_initial_value_sets): Likewise.
24911         * ira.c (pass_ira): Likewise.
24912         * jump.c (pass_cleanup_barriers): Likewise.
24913         * omp-low.c (pass_expand_omp): Likewise.
24914         (pass_lower_omp): Likewise.
24915         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
24916         * recog.c (pass_split_all_insns): Likewise.
24917         (pass_split_after_reload): Likewise.
24918         (pass_split_before_regstack): Likewise.
24919         (pass_split_before_sched2): Likewise.
24920         (pass_split_for_shorten_branches): Likewise.
24921         * reginfo.c (pass_reginfo_init): Likewise.
24922         (pass_subregs_of_mode_init): Likewise.
24923         (pass_subregs_of_mode_finish): Likewise.
24924         * passes.c (pass_postreload): Likewise.
24925         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
24926         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
24927         (pass_warn_function_return): Likewise.
24928         (pass_warn_function_noreturn): Likewise.
24929         * tree-complex.c (pass_lower_complex): Likewise.
24930         (pass_lower_complex_O0): Likewise.
24931         * tree-if-conv.c (pass_if_conversion): Likewise.
24932         * tree-into-ssa.c (pass_build_ssa): Likewise.
24933         * tree-mudflap.c (pass_mudflap_1): Likewise.
24934         (pass_mudflap_2): Likewise.
24935         * tree-nomudflap.c (pass_mudflap_1): Likewise.
24936         (pass_mudflap_2): Likewise.
24937         * tree-nrv.c (pass_return_slot): Likewise.
24938         * tree-object-size.c (pass_object_sizes): Likewise.
24939         * tree-optimize.c (pass_all_optimizations): Likewise.
24940         (pass_early_local_passes): Likewise.
24941         (pass_all_early_optimizations): Likewise.
24942         (pass_cleanup_cfg): Likewise.
24943         (pass_cleanup_cfg_post_optimizing): Likewise.
24944         (pass_free_datastructures): Likewise.
24945         (pass_free_cfg_annotations): Likewise.
24946         (pass_fixup_cfg): Likewise.
24947         (pass_init_datastructures): Likewise.
24948         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
24949         (pass_late_warn_uninitialized): Likewise.
24950         (pass_update_address_taken): Likewise.
24951         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
24952         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
24953         (pass_cse_sincos): Likewise.
24954         (pass_convert_to_rsqrt): Likewise.
24955         * tree-ssa-structalias.c (pass_build_alias): Likewise.
24956         * tree-stdarg.c (pass_stdarg): Likewise.
24957         * tree-tailcall.c (pass_tail_recursion): Likewise.
24958         (pass_tail_calls): Likewise.
24959         * tree-vect-generic.c (pass_lower_vector): Likewise.
24960         (pass_lower_vector_ssa): Likewise.
24961         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
24962
24963 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
24964
24965         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
24966         XLR entry.
24967         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
24968         Handle -march=xlr.
24969         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
24970         logical and signext.
24971
24972 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
24973
24974         PR target/39767
24975         * config/sh/predicates.md (arith_operand): Check if the operand
24976         of TRUNCATE is a REG.
24977
24978 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
24979
24980         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
24981         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
24982
24983 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
24984
24985         * tree-iterator.c (tsi_split_statement_list_after,
24986         tsi_split_statement_list_before): Remove.
24987         * tree-iterator.h: Remove the prototypes for
24988         tsi_split_statement_list_after and tsi_split_statement_list_before.
24989
24990 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
24991
24992         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
24993         * tree-ssa-propagate.h: Remove the prototype for
24994         stmt_makes_single_load.
24995
24996 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
24997
24998         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
24999         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
25000
25001 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
25002
25003         * tree-iterator.c (EXPR_LAST_BODY): Remove.
25004
25005 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
25006
25007         * except.c (eh_region_outer_p): Remove.
25008         * except.h: Remove the prototype for eh_region_outer_p.
25009
25010 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
25011
25012         * function.c (current_function_assembler_name): Remove.
25013         * function.h: Remove the prototype for
25014         current_function_assembler_name.
25015
25016 2009-04-16  Ian Lance Taylor  <iant@google.com>
25017
25018         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
25019         (add_reg_note): Call alloc_reg_note.
25020         * rtl.h (alloc_reg_note): Declare.
25021         * combine.c (try_combine): Use alloc_reg_note.
25022         (recog_for_combine, move_deaths): Likewise.
25023         (distribute_notes): Use alloc_reg_note and add_reg_note.
25024         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
25025         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
25026         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
25027
25028 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
25029
25030         PR rtl-optimization/39762
25031         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
25032         ira_may_move_out_cost): Add comments about way of their usage.
25033         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
25034
25035         * ira-conflicts.c (process_regs_for_copy): Use function
25036         ira_get_register_move_cost instead of global
25037         ira_register_move_cost.
25038
25039         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
25040         color_pass, move_spill_restore, update_curr_costs): Ditto.
25041
25042         * ira-lives.c (process_single_reg_class_operands): Ditto.
25043
25044         * ira-emit.c (emit_move_list): Ditto.
25045
25046         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
25047         (record_reg_classes): Ditto.  Use functions
25048         ira_get_register_move_cost and ira_get_may_move_cost instead of
25049         global vars ira_register_move_cost, ira_may_move_out_cost and
25050         ira_may_move_in_cost.
25051         (record_address_regs): Don't call ira_init_register_move_cost.
25052         Use function ira_get_may_move_cost instead of global
25053         ira_may_move_in_cost.
25054         (process_bb_node_for_hard_reg_moves): Use function
25055         ira_get_register_move_cost instead of global ira_register_move_cost.
25056         (ira_costs): Don't call ira_init_register_move_cost.
25057
25058 2009-04-16  Richard Guenther  <rguenther@suse.de>
25059
25060         * tree-cfg.c (verify_gimple_assign_binary):
25061         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
25062         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
25063         (create_general_new_stmt): Note that this function is broken.
25064
25065 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
25066
25067         * common.opt (fhelp): Add Var(help_flag).
25068         * gcc-plugin.h (plugin_info): Add help.
25069         * plugin.c (plugin_name_args): Add help.
25070         (register_plugin_info): Set plugin->help.
25071         (print_help_one_plugin): New.
25072         (print_plugins_help): New.
25073         * plugin.h (print_plugins_help): New.
25074         * toplev.c (toplev_main): Call print_plugins_help if needed.
25075
25076 2009-04-16  Richard Guenther  <rguenther@suse.de>
25077
25078         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
25079         (gimple_ior_addresses_taken_1): New function.
25080         (gimple_ior_addresses_taken): Likewise.
25081         * gimple.h (struct gimple_statement_with_ops_base): Remove
25082         addresses_taken member.
25083         (gimple_ior_addresses_taken): Declare.
25084         (gimple_addresses_taken, gimple_addresses_taken_ptr,
25085         gimple_set_addresses_taken): Remove.
25086         * ipa-reference.c (mark_address): New function.
25087         (scan_stmt_for_static_refs): Use it for marking addresses taken.
25088         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
25089         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
25090         (gimple_add_to_addresses_taken): Remove.
25091         (get_tmr_operands): Call mark_address_taken.
25092         (get_asm_expr_operands): Likewise.
25093         (get_expr_operands): Likewise.
25094         (build_ssa_operands): Do not clear the addresses_taken bitmap.
25095         (free_stmt_operands): Do not free it.
25096         * tree-ssa.c (delete_tree_ssa): Likewise.
25097         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
25098
25099 2009-04-16  Richard Guenther  <rguenther@suse.de>
25100
25101         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
25102         (walk_stmt_load_store_ops): Likewise.
25103         * gimple.c (get_base_loadstore): New function.
25104         (walk_stmt_load_store_addr_ops): Likewise.
25105         (walk_stmt_load_store_ops): Likewise.
25106         * ipa-pure-const.c (check_op): Simplify.
25107         (check_load, check_store): New functions.
25108         (check_stmt): Use walk_stmt_load_store_ops.
25109         * ipa-reference.c (mark_load): Adjust signature.
25110         (mark_store): Likewise.
25111         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
25112
25113 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
25114
25115         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
25116         (plugin_info): New.
25117         * opts.c (common_handle_option): Don't call print_version.
25118         * plugin.c (plugin_name_args): Add version.
25119         (register_plugin_info): New.
25120         (register_callback): Handle PLUGIN_INFO.
25121         (try_init_one_plugin): New.
25122         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
25123         if failed to init.
25124         (finalize_one_plugin): New.
25125         (finalize_plugins): New.
25126         (print_one_plugin): New.
25127         (print_plugins_versions): New.
25128         * plugin.h (print_plugins_versions): New.
25129         (finalize_plugins): New.
25130         * toplev.c (compile_file): Don't call initialize_plugins.
25131         (print_version): Call print_plugins_versions.
25132         (toplev_main): Call initialize_plugins. Print version if needed.
25133         Call finalize_plugins.
25134
25135 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
25136
25137         * common.opt (fversion): New.
25138         * gcc.c (print_version): New.
25139         (process_command): Don't print the version. Just set print_version.
25140         (main): Print version. Call subprocesses if print_version and
25141         verbose_flag are set.
25142         * opts.c (common_handle_option): Handle OPT_fversion.
25143
25144 2009-04-16  Richard Guenther  <rguenther@suse.de>
25145             Ira Rosen  <irar@il.ibm.com>
25146
25147         PR tree-optimization/39698
25148         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
25149         type of the reduction variable.  Only generate the def if
25150         it is needed.
25151
25152         * omp-low.c (expand_omp_for_generic): When converting to a pointer
25153         make sure to first convert to an integer of the same precision.
25154         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
25155         the type of the evolution correctly in computing the new
25156         induction variable base.
25157
25158 2009-04-16  Richard Guenther  <rguenther@suse.de>
25159
25160         PR middle-end/39625
25161         * tree-cfg.c (make_blocks): Split statements with to-be
25162         abnormal SSA names on the lhs.
25163
25164 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
25165
25166         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
25167         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
25168         * c-typeck.c (really_start_incremental_init): Likewise.
25169         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
25170         (TARGET_INITIALIZER): Remove it.
25171         * target.h (struct target): Remove vector_opaque_p.
25172         * tree.c (build_opaque_vector_type): New.
25173         * tree.h (TYPE_VECTOR_OPAQUE): New.
25174         (build_opaque_vector_type): Declare.
25175         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
25176         * config/rs6000/rs6000.c (build_opaque_vector_type,
25177         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
25178         (rs6000_init_builtins): Use build_opaque_vector_type for
25179         opaque_V4SI_type_node.
25180
25181 2009-04-15  Catherine Moore  <clm@codesourcery.com>
25182
25183         * debug.h (set_name):  Declare.
25184         * dwarf2out.c (dwarf2out_set_name): Declare.
25185         (dwarf2_debug_hooks): Add set_name.
25186         (find_AT_string): New.
25187         (add_AT_string): Call find_AT_string.
25188         (dwarf2out_set_name): New.
25189         * cp/decl.c (grokdeclarator): Call set_name.
25190         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
25191         * debug.c (do_nothing_debug_hooks):  Likewise.
25192         * dbxout.c (dbx_debug_hooks): Likewise.
25193         * sdbout.c (sdb_debug_hooks): Likewise.
25194
25195 2009-04-15  Michael Eager  <eager@eagercon.com>
25196
25197         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
25198         reg for single-precision FPU.
25199         * config/rs6000/rs6000.md (movsi_internal1): Only for
25200         !TARGET_SINGLE_FPU.
25201         (movsi_internal1_single): New. Add pattern to move SI values to/from
25202         single-precision FP regs.
25203
25204 2009-04-15  Richard Guenther  <rguenther@suse.de>
25205
25206         * omp-low.c (lower_rec_input_clauses): Build correct address
25207         expressions.
25208         (expand_omp_for_generic): Fix multiplication type.
25209         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
25210         (generate_memset_zero): Fix types.
25211         * tree-profile.c (prepare_instrumented_value): Correctly
25212         widen a pointer.
25213
25214 2009-04-15  Ian Lance Taylor  <iant@google.com>
25215
25216         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
25217         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
25218         for -Wall and for -Wc++-compat.
25219         (c_common_post_options): For C++, set warn_enum_compare if not
25220         already set.
25221         * c-tree.h (struct c_expr): Add field original_type.
25222         (build_external_ref): Update declaration.
25223         * c-parser.c (c_parser_braced_init): Set original_type.
25224         (c_parser_initelt): Likewise.
25225         (c_parser_expr_no_commas): Likewise.
25226         (c_parser_conditional_expression): Likewise.
25227         (c_parser_cast_expression): Likewise.
25228         (c_parser_unary_expression): Likewise.  Pull setting of
25229         original_code to top of function.
25230         (c_parser_sizeof_expression): Set original_type.
25231         (c_parser_alignof_expression): Likewise.
25232         (c_parser_postfix_expression): Likewise.  Pull setting of
25233         original_code to top of function.
25234         (c_parser_postfix_expression_after_paren_type): Set original_type.
25235         (c_parser_postfix_expression_after_primary): Likewise.
25236         (c_parser_expression): Likewise.
25237         * c-typeck.c (build_external_ref): Add type parameter.  Change all
25238         callers.
25239         (c_expr_sizeof_expr): Set original_type field.
25240         (parser_build_unary_op): Likewise.
25241         (parser_build_binary_op): Likewise.  Optionally warn about
25242         comparisons of enums of different types.
25243         (digest_init): Set original_type field.
25244         (really_start_incremental_init): Likewise.
25245         (push_init_level, pop_init_level): Likewise.
25246         * doc/invoke.texi (Warning Options): -Wenum-compare now
25247         supported in C.
25248
25249 2009-04-15  Richard Guenther  <rguenther@suse.de>
25250
25251         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
25252         out a necessary conversion.
25253         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
25254         names we didn't value number.
25255         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
25256
25257 2009-04-15  Richard Guenther  <rguenther@suse.de>
25258
25259         PR tree-optimization/39764
25260         * tree-ssa-ccp.c (get_value): Canonicalize value with
25261         canonicalize_float_value.
25262
25263 2009-04-15  Jan Hubicka  <jh@suse.cz>
25264
25265         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
25266         Wrong version of patch.
25267
25268 2009-04-15  Jan Hubicka  <jh@suse.cz>
25269
25270         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
25271
25272 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
25273
25274         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
25275         our distinct integral and vector types.
25276
25277 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
25278
25279         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
25280         * init.c (build_vtbl_address): Remove call to assemble_external.
25281
25282 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
25283
25284         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
25285         output for other floating point modes.
25286
25287 2009-04-14  Diego Novillo  <dnovillo@google.com>
25288
25289         * diagnostic.c (diagnostic_report_diagnostic): Do not
25290         warn about loaded plugins for DK_ERROR and DK_WARNING.
25291         * c-decl.c (declspecs_add_type): Move call to
25292         invoke_plugin_callbacks ...
25293         * c-parser.c (c_parser_declspecs): ... here.
25294         * plugin.c (dump_active_plugins): Tidy output.
25295
25296 2009-04-14  Diego Novillo  <dnovillo@google.com>
25297             Le-Chun Wu  <lcwu@google.com>
25298
25299         * configure.ac: Add --enable-plugin support.
25300         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
25301         * Makefile.in (PLUGIN_H): Define.
25302         Export ENABLE_PLUGIN and GMPINC to site.exp.
25303         Add PLUGINLIBS to link command.
25304         Add/modify dependencies for plugin.o and files including plugin.h.
25305         (plugin.o): New.
25306         * config.in: Regenerate.
25307
25308         * opts.c (common_handle_option): Handle OPT_fplugin_ and
25309         OPT_fplugin_arg_.
25310
25311 2009-04-14  Le-Chun Wu  <lcwu@google.com>
25312
25313         * tree-pass.h (register_one_dump_file): Add a prototype for
25314         register_one_dump_file.
25315         * toplev.c (compile_file): Call initialize_plugins.
25316         (do_compile): Call invoke_plugin_callbacks.
25317         (toplev_main): Call invoke_plugin_callbacks.
25318         * common.opt: Add -fplugin= and -fplugin-arg-.
25319         * gcc-plugin.h: New public header file for plugins to include.
25320         * plugin.c: New source file.
25321         * plugin.h: New internal header file.
25322         * passes.c (register_one_dump_file): Make it external.
25323
25324         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
25325
25326 2009-04-14  Diego Novillo  <dnovillo@google.com>
25327
25328         * doc/plugins.texi: New.
25329         * doc/gccint.texi: Add reference to Plugins chapter.
25330         * doc/invoke.texi: Document -fplugin and -fplugin-arg
25331         * diagnostic.c (diagnostic_report_diagnostic): Warn about
25332         loaded plugins, if any.
25333         * timevar.def (TV_PLUGIN_INIT): Define.
25334         (TV_PLUGIN_RUN): Define.
25335         * plugin.c: Include timevar.h
25336         (plugins_active_p): New.
25337         (dump_active_plugins): New.
25338         (debug_active_plugins): New.
25339
25340 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
25341
25342         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
25343         library paths.
25344         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
25345
25346 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
25347
25348         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
25349         the same as a minus without a shift.
25350
25351 2009-04-14  Nick Clifton  <nickc@redhat.com>
25352
25353         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
25354         comparisons with small integers will always produce a short
25355         branch.
25356
25357 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
25358
25359         Merge:
25360         2008-12-19  Diego Novillo  <dnovillo@google.com>
25361
25362         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
25363
25364 2009-04-14  Richard Guenther  <rguenther@suse.de>
25365
25366         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
25367         verification.
25368         (verify_gimple_assign_binary): Likewise.  Handle shifts and
25369         rotates correctly.
25370         (verify_gimple_phi): Print the mismatched argument position.
25371         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
25372         Fix types.
25373         (vect_update_init_of_dr): Likewise.
25374         * matrix-reorg.c (transform_access_sites): Do what the
25375         comment suggests.
25376         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
25377
25378 2009-04-13  Michael Eager  <eager@eagercon.com>
25379
25380         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
25381         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
25382         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
25383         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
25384         remove duplicate config
25385
25386 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
25387
25388         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
25389         file_name:line_number type locator of the call site.
25390
25391 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
25392
25393         * genautomata.c: Put blank after comma.
25394         (automaton_decls): New.
25395         (struct unit_usage): Add comments to member next.
25396         (store_alt_unit_usage): Keep the list ordered.
25397         (unit_present_on_list_p, equal_alternatives_p): New.
25398         (check_regexp_units_distribution): Check units distribution
25399         correctness correctly.
25400         (main): Don't write automata if error is found.  Return correct
25401         exit code.
25402
25403         * config/m68k/cf.md (cfv4_ds): Remove.
25404         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
25405         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
25406
25407         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
25408         power4-load-ext, power4-store, power4-store-update,
25409         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
25410         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
25411         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
25412         power4-sqrt, power4-isync): Modify reservation to make correct
25413         unit distribution to automata.
25414
25415         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
25416         power5-store-update, power5-two, power5-three, power5-lmul,
25417         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
25418
25419 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
25420
25421         * except.c (pass_set_nothrow_function_flags): Set name and add
25422         TODO_dump_func.
25423         (set_nothrow_function_flags): Mention in the dump file when
25424         changing a function to nothrow.
25425
25426 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
25427
25428         PR/39066
25429         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
25430         instead of unsigned long.
25431
25432 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
25433
25434         * config/arm/arm.c (return_used_this_function): Remove.
25435         (arm_output_function_prologue): Remove use of
25436         return_used_this_function.
25437         (output_return_instruction): Replace use of
25438         return_used_this_function
25439         by cfun->machine->return_used_this_function.
25440         (arm_output_epilogue): Likewise.
25441         (arm_output_function_epilogue): Likewise.
25442         (thumb_unexpanded_epilogue): Likewise.
25443         * config/arm/arm.h (struct machine_function):
25444         New member return_used_this_function.
25445
25446 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
25447
25448         * doc/install.texi: Correct description of default directory for
25449         --with-gxx-include-dir.
25450
25451 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
25452
25453         * fold-const.c (build_range_check): Properly deal with enumeral and
25454         boolean base types.
25455
25456 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
25457
25458         * doc/invoke.texi (max_gcse_passes): Remove documentation.
25459         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
25460         * params.h (MAX_GCSE_PASSES): Remove.
25461         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
25462         in sequence.  Remove ability to run multiple passes.
25463         (bypass_jumps): Report run as third CPROP pass.
25464
25465 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
25466
25467         PR middle-end/39651
25468         * except.c (can_throw_external): Look at each insn in a SEQUENCE
25469         when deciding whether the whole SEQUENCE can throw.
25470
25471 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
25472
25473         PR target/39740
25474         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
25475         offseted label references.
25476
25477 2009-04-11  Jan Hubicka  <jh@suse.cz>
25478
25479         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
25480
25481 2009-04-11  Richard Guenther  <rguenther@suse.de>
25482
25483         PR middle-end/39732
25484         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
25485         return variables as TREE_ADDRESSABLE.
25486
25487 2009-04-11  Richard Guenther  <rguenther@suse.de>
25488
25489         PR tree-optimization/39713
25490         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
25491         reference trees have SSA_NAME operands.
25492
25493 2009-04-11  Richard Guenther  <rguenther@suse.de>
25494
25495         PR c/39712
25496         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
25497         address expressions.
25498
25499 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
25500
25501         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
25502         match changes in Cygwin 1.7
25503         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
25504         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
25505
25506 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
25507
25508         PR tree-optimization/39701
25509         * doc/invoke.texi (Optimization Options): Document change in
25510         meaning and initialization of -fdelete-null-pointer-checks.
25511
25512 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
25513
25514         PR middle-end/39701
25515         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
25516
25517         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
25518         here.
25519
25520         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
25521
25522 2009-04-10  Chao-ying Fu  <fu@mips.com>
25523
25524         * doc/tm.texi (Instruction Output): Document
25525         TARGET_ASM_FINAL_POSTSCAN_INSN.
25526         * target.h (final_postscan_insn): New field in asm_out.
25527         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
25528         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
25529         * final.c (final_scan_insn): Call
25530         targetm.asm_out.final_postscan_insn after outputting
25531         an asm macro and a normal instruction.
25532
25533         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
25534         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
25535         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
25536         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
25537         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
25538
25539 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
25540
25541         PR middle-end/39701
25542         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
25543         variables as non-NULL even with -fdelete-null-pointer-checks.
25544
25545 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
25546
25547         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
25548
25549 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
25550
25551         PR target/39678
25552         * config/i386/i386.c (classify_argument): Handle SCmode with
25553         (bit_offset % 64) != 0.
25554
25555 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
25556
25557         * doc/invoke.texi (Optimize Options): Add cross-reference to
25558         -Q --help=optimizers examples.
25559
25560 2009-04-10  Ben Elliston  <bje@au.ibm.com>
25561
25562         PR target/36800
25563         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
25564         regalign for the reg == fpr and TDmode case.
25565
25566 2009-04-09  David Ayers  <ayers@fsfe.org>
25567
25568         PR objc/29200
25569         * objc/objc-act.c (warn_with_method): Remove helper function.
25570         (check_duplicates): Call warning and inform directly.
25571         (really_start_method): Likewise.
25572
25573 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
25574
25575         * expmed.c (expand_divmod): Always use a comparison for a division
25576         by a large unsigned integer.
25577
25578         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
25579         for things others than variables or functions as nonzero.
25580
25581 2009-04-09  Nick Clifton  <nickc@redhat.com>
25582
25583         * unwind-compat.c: Change copyright header to refer to version
25584         3 of the GNU General Public License with version 3.1 of the
25585         GCC Runtime Library Exception and to point readers at the
25586         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
25587         * config/alpha/crtfastmath.c: Likewise.
25588         * config/alpha/linux-unwind.h: Likewise.
25589         * config/alpha/qrnnd.asm: Likewise.
25590         * config/alpha/vms-crt0-64.c: Likewise.
25591         * config/alpha/vms-crt0.c: Likewise.
25592         * config/alpha/vms-dwarf2.asm: Likewise.
25593         * config/alpha/vms-dwarf2eh.asm: Likewise.
25594         * config/alpha/vms-psxcrt0-64.c: Likewise.
25595         * config/alpha/vms-psxcrt0.c: Likewise.
25596         * config/alpha/vms_tramp.asm: Likewise.
25597         * config/arc/initfini.c: Likewise.
25598         * config/arc/lib1funcs.asm: Likewise.
25599         * config/arm/bpabi-v6m.S: Likewise.
25600         * config/arm/bpabi.S: Likewise.
25601         * config/arm/bpabi.c: Likewise.
25602         * config/arm/crti.asm: Likewise.
25603         * config/arm/crtn.asm: Likewise.
25604         * config/arm/ieee754-df.S: Likewise.
25605         * config/arm/ieee754-sf.S: Likewise.
25606         * config/arm/lib1funcs.asm: Likewise.
25607         * config/arm/libunwind.S: Likewise.
25608         * config/arm/linux-atomic.c: Likewise.
25609         * config/arm/mmintrin.h: Likewise.
25610         * config/arm/pr-support.c: Likewise.
25611         * config/arm/unaligned-funcs.c: Likewise.
25612         * config/arm/unwind-arm.c: Likewise.
25613         * config/arm/unwind-arm.h: Likewise.
25614         * config/avr/libgcc.S: Likewise.
25615         * config/bfin/crti.s: Likewise.
25616         * config/bfin/crtlibid.s: Likewise.
25617         * config/bfin/crtn.s: Likewise.
25618         * config/bfin/lib1funcs.asm: Likewise.
25619         * config/bfin/linux-unwind.h: Likewise.
25620         * config/cris/arit.c: Likewise.
25621         * config/cris/cris_abi_symbol.c: Likewise.
25622         * config/darwin-64.c: Likewise.
25623         * config/darwin-crt2.c: Likewise.
25624         * config/darwin-crt3.c: Likewise.
25625         * config/darwin.h: Likewise.
25626         * config/dbxelf.h: Likewise.
25627         * config/dfp-bit.c: Likewise.
25628         * config/dfp-bit.h: Likewise.
25629         * config/elfos.h: Likewise.
25630         * config/fixed-bit.c: Likewise.
25631         * config/fixed-bit.h: Likewise.
25632         * config/fp-bit.c: Likewise.
25633         * config/fp-bit.h: Likewise.
25634         * config/fr30/crti.asm: Likewise.
25635         * config/fr30/crtn.asm: Likewise.
25636         * config/fr30/lib1funcs.asm: Likewise.
25637         * config/freebsd-spec.h: Likewise.
25638         * config/frv/cmovd.c: Likewise.
25639         * config/frv/cmovh.c: Likewise.
25640         * config/frv/cmovw.c: Likewise.
25641         * config/frv/frvbegin.c: Likewise.
25642         * config/frv/frvend.c: Likewise.
25643         * config/frv/lib1funcs.asm: Likewise.
25644         * config/glibc-stdint.h: Likewise.
25645         * config/h8300/clzhi2.c: Likewise.
25646         * config/h8300/crti.asm: Likewise.
25647         * config/h8300/crtn.asm: Likewise.
25648         * config/h8300/ctzhi2.c: Likewise.
25649         * config/h8300/fixunssfsi.c: Likewise.
25650         * config/h8300/lib1funcs.asm: Likewise.
25651         * config/h8300/parityhi2.c: Likewise.
25652         * config/h8300/popcounthi2.c: Likewise.
25653         * config/i386/ammintrin.h: Likewise.
25654         * config/i386/att.h: Likewise.
25655         * config/i386/avxintrin.h: Likewise.
25656         * config/i386/biarch64.h: Likewise.
25657         * config/i386/bmmintrin.h: Likewise.
25658         * config/i386/cpuid.h: Likewise.
25659         * config/i386/cross-stdarg.h: Likewise.
25660         * config/i386/crtfastmath.c: Likewise.
25661         * config/i386/crtprec.c: Likewise.
25662         * config/i386/cygming-crtbegin.c: Likewise.
25663         * config/i386/cygming-crtend.c: Likewise.
25664         * config/i386/cygwin.asm: Likewise.
25665         * config/i386/emmintrin.h: Likewise.
25666         * config/i386/gmm_malloc.h: Likewise.
25667         * config/i386/gthr-win32.c: Likewise.
25668         * config/i386/i386.h: Likewise.
25669         * config/i386/immintrin.h: Likewise.
25670         * config/i386/linux-unwind.h: Likewise.
25671         * config/i386/linux64.h: Likewise.
25672         * config/i386/mm3dnow.h: Likewise.
25673         * config/i386/mmintrin-common.h: Likewise.
25674         * config/i386/mmintrin.h: Likewise.
25675         * config/i386/nmmintrin.h: Likewise.
25676         * config/i386/pmm_malloc.h: Likewise.
25677         * config/i386/pmmintrin.h: Likewise.
25678         * config/i386/smmintrin.h: Likewise.
25679         * config/i386/sol2-c1.asm: Likewise.
25680         * config/i386/sol2-ci.asm: Likewise.
25681         * config/i386/sol2-cn.asm: Likewise.
25682         * config/i386/sol2-gc1.asm: Likewise.
25683         * config/i386/tmmintrin.h: Likewise.
25684         * config/i386/unix.h: Likewise.
25685         * config/i386/w32-unwind.h: Likewise.
25686         * config/i386/wmmintrin.h: Likewise.
25687         * config/i386/x86-64.h: Likewise.
25688         * config/i386/x86intrin.h: Likewise.
25689         * config/i386/xmmintrin.h: Likewise.
25690         * config/ia64/crtbegin.asm: Likewise.
25691         * config/ia64/crtend.asm: Likewise.
25692         * config/ia64/crtfastmath.c: Likewise.
25693         * config/ia64/crti.asm: Likewise.
25694         * config/ia64/crtn.asm: Likewise.
25695         * config/ia64/fde-glibc.c: Likewise.
25696         * config/ia64/lib1funcs.asm: Likewise.
25697         * config/ia64/linux-unwind.h: Likewise.
25698         * config/ia64/quadlib.c: Likewise.
25699         * config/ia64/unwind-ia64.c: Likewise.
25700         * config/linux.h: Likewise.
25701         * config/m32c/m32c-lib1.S: Likewise.
25702         * config/m32c/m32c-lib2-trapv.c: Likewise.
25703         * config/m32c/m32c-lib2.c: Likewise.
25704         * config/m32r/initfini.c: Likewise.
25705         * config/m68hc11/larith.asm: Likewise.
25706         * config/m68hc11/m68hc11-crt0.S: Likewise.
25707         * config/m68k/cf.md: Likewise.
25708         * config/m68k/crti.s: Likewise.
25709         * config/m68k/crtn.s: Likewise.
25710         * config/m68k/lb1sf68.asm: Likewise.
25711         * config/m68k/linux-unwind.h: Likewise.
25712         * config/mcore/crti.asm: Likewise.
25713         * config/mcore/crtn.asm: Likewise.
25714         * config/mcore/lib1.asm: Likewise.
25715         * config/mips/linux-unwind.h: Likewise.
25716         * config/mips/loongson.h: Likewise.
25717         * config/mips/mips16.S: Likewise.
25718         * config/mmix/crti.asm: Likewise.
25719         * config/mmix/crtn.asm: Likewise.
25720         * config/pa/fptr.c: Likewise.
25721         * config/pa/hpux-unwind.h: Likewise.
25722         * config/pa/lib2funcs.asm: Likewise.
25723         * config/pa/linux-atomic.c: Likewise.
25724         * config/pa/linux-unwind.h: Likewise.
25725         * config/pa/milli64.S: Likewise.
25726         * config/pa/quadlib.c: Likewise.
25727         * config/pa/stublib.c: Likewise.
25728         * config/picochip/libgccExtras/adddi3.asm: Likewise.
25729         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
25730         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
25731         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
25732         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
25733         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
25734         * config/picochip/libgccExtras/divmod15.asm: Likewise.
25735         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
25736         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
25737         * config/picochip/libgccExtras/longjmp.asm: Likewise.
25738         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
25739         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
25740         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
25741         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
25742         * config/picochip/libgccExtras/setjmp.asm: Likewise.
25743         * config/picochip/libgccExtras/subdi3.asm: Likewise.
25744         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
25745         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
25746         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
25747         * config/rs6000/750cl.h: Likewise.
25748         * config/rs6000/altivec.h: Likewise.
25749         * config/rs6000/biarch64.h: Likewise.
25750         * config/rs6000/crtresfpr.asm: Likewise.
25751         * config/rs6000/crtresgpr.asm: Likewise.
25752         * config/rs6000/crtresxfpr.asm: Likewise.
25753         * config/rs6000/crtresxgpr.asm: Likewise.
25754         * config/rs6000/crtsavfpr.asm: Likewise.
25755         * config/rs6000/crtsavgpr.asm: Likewise.
25756         * config/rs6000/darwin-asm.h: Likewise.
25757         * config/rs6000/darwin-fallback.c: Likewise.
25758         * config/rs6000/darwin-fpsave.asm: Likewise.
25759         * config/rs6000/darwin-ldouble.c: Likewise.
25760         * config/rs6000/darwin-tramp.asm: Likewise.
25761         * config/rs6000/darwin-unwind.h: Likewise.
25762         * config/rs6000/darwin-vecsave.asm: Likewise.
25763         * config/rs6000/darwin-world.asm: Likewise.
25764         * config/rs6000/e500crtres32gpr.asm: Likewise.
25765         * config/rs6000/e500crtres64gpr.asm: Likewise.
25766         * config/rs6000/e500crtres64gprctr.asm: Likewise.
25767         * config/rs6000/e500crtrest32gpr.asm: Likewise.
25768         * config/rs6000/e500crtrest64gpr.asm: Likewise.
25769         * config/rs6000/e500crtresx32gpr.asm: Likewise.
25770         * config/rs6000/e500crtresx64gpr.asm: Likewise.
25771         * config/rs6000/e500crtsav32gpr.asm: Likewise.
25772         * config/rs6000/e500crtsav64gpr.asm: Likewise.
25773         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
25774         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
25775         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
25776         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
25777         * config/rs6000/eabi-ci.asm: Likewise.
25778         * config/rs6000/eabi-cn.asm: Likewise.
25779         * config/rs6000/eabi.asm: Likewise.
25780         * config/rs6000/linux-unwind.h: Likewise.
25781         * config/rs6000/linux64.h: Likewise.
25782         * config/rs6000/paired.h: Likewise.
25783         * config/rs6000/paired.md: Likewise.
25784         * config/rs6000/ppc64-fp.c: Likewise.
25785         * config/rs6000/ppu_intrinsics.h: Likewise.
25786         * config/rs6000/rs6000.h: Likewise.
25787         * config/rs6000/si2vmx.h: Likewise.
25788         * config/rs6000/sol-ci.asm: Likewise.
25789         * config/rs6000/sol-cn.asm: Likewise.
25790         * config/rs6000/spe.h: Likewise.
25791         * config/rs6000/spu2vmx.h: Likewise.
25792         * config/rs6000/sysv4.h: Likewise.
25793         * config/rs6000/tramp.asm: Likewise.
25794         * config/rs6000/vec_types.h: Likewise.
25795         * config/s390/linux-unwind.h: Likewise.
25796         * config/s390/tpf-unwind.h: Likewise.
25797         * config/score/crti.asm: Likewise.
25798         * config/score/crtn.asm: Likewise.
25799         * config/sh/crt1.asm: Likewise.
25800         * config/sh/crti.asm: Likewise.
25801         * config/sh/crtn.asm: Likewise.
25802         * config/sh/divtab-sh4-300.c: Likewise.
25803         * config/sh/divtab-sh4.c: Likewise.
25804         * config/sh/divtab.c: Likewise.
25805         * config/sh/lib1funcs-4-300.asm: Likewise.
25806         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
25807         * config/sh/lib1funcs.asm: Likewise.
25808         * config/sh/lib1funcs.h: Likewise.
25809         * config/sh/linux-atomic.asm: Likewise.
25810         * config/sh/linux-unwind.h: Likewise.
25811         * config/sh/shmedia.h: Likewise.
25812         * config/sh/sshmedia.h: Likewise.
25813         * config/sh/ushmedia.h: Likewise.
25814         * config/sparc/crtfastmath.c: Likewise.
25815         * config/sparc/linux-unwind.h: Likewise.
25816         * config/sparc/sol2-c1.asm: Likewise.
25817         * config/sparc/sol2-ci.asm: Likewise.
25818         * config/sparc/sol2-cn.asm: Likewise.
25819         * config/spu/divmodti4.c: Likewise.
25820         * config/spu/divv2df3.c: Likewise.
25821         * config/spu/float_disf.c: Likewise.
25822         * config/spu/float_unsdidf.c: Likewise.
25823         * config/spu/float_unsdisf.c: Likewise.
25824         * config/spu/float_unssidf.c: Likewise.
25825         * config/spu/mfc_multi_tag_release.c: Likewise.
25826         * config/spu/mfc_multi_tag_reserve.c: Likewise.
25827         * config/spu/mfc_tag_release.c: Likewise.
25828         * config/spu/mfc_tag_reserve.c: Likewise.
25829         * config/spu/mfc_tag_table.c: Likewise.
25830         * config/spu/multi3.c: Likewise.
25831         * config/spu/spu_internals.h: Likewise.
25832         * config/spu/spu_intrinsics.h: Likewise.
25833         * config/spu/spu_mfcio.h: Likewise.
25834         * config/spu/vec_types.h: Likewise.
25835         * config/spu/vmx2spu.h: Likewise.
25836         * config/stormy16/stormy16-lib2.c: Likewise.
25837         * config/svr4.h: Likewise.
25838         * config/sync.c: Likewise.
25839         * config/v850/lib1funcs.asm: Likewise.
25840         * config/vxlib-tls.c: Likewise.
25841         * config/vxlib.c: Likewise.
25842         * config/vxworks-dummy.h: Likewise.
25843         * config/xtensa/crti.asm: Likewise.
25844         * config/xtensa/crtn.asm: Likewise.
25845         * config/xtensa/ieee754-df.S: Likewise.
25846         * config/xtensa/ieee754-sf.S: Likewise.
25847         * config/xtensa/lib1funcs.asm: Likewise.
25848         * config/xtensa/lib2funcs.S: Likewise.
25849         * config/xtensa/linux-unwind.h: Likewise.
25850         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
25851         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
25852         * coretypes.h: Likewise.
25853         * crtstuff.c: Likewise.
25854         * defaults.h: Likewise.
25855         * dwarf2.h: Likewise.
25856         * emutls.c: Likewise.
25857         * gbl-ctors.h: Likewise.
25858         * gcov-io.h: Likewise.
25859         * ginclude/float.h: Likewise.
25860         * ginclude/iso646.h: Likewise.
25861         * ginclude/stdarg.h: Likewise.
25862         * ginclude/stdbool.h: Likewise.
25863         * ginclude/stddef.h: Likewise.
25864         * ginclude/stdfix.h: Likewise.
25865         * ginclude/stdint-gcc.h: Likewise.
25866         * ginclude/tgmath.h: Likewise.
25867         * gthr-aix.h: Likewise.
25868         * gthr-dce.h: Likewise.
25869         * gthr-gnat.c: Likewise.
25870         * gthr-gnat.h: Likewise.
25871         * gthr-lynx.h: Likewise.
25872         * gthr-mipssde.h: Likewise.
25873         * gthr-nks.h: Likewise.
25874         * gthr-posix.c: Likewise.
25875         * gthr-posix.h: Likewise.
25876         * gthr-posix95.h: Likewise.
25877         * gthr-rtems.h: Likewise.
25878         * gthr-single.h: Likewise.
25879         * gthr-solaris.h: Likewise.
25880         * gthr-tpf.h: Likewise.
25881         * gthr-vxworks.h: Likewise.
25882         * gthr-win32.h: Likewise.
25883         * gthr.h: Likewise.
25884         * libgcc2.c: Likewise.
25885         * libgcc2.h: Likewise.
25886         * libgcov.c: Likewise.
25887         * tsystem.h: Likewise.
25888         * typeclass.h: Likewise.
25889         * unwind-c.c: Likewise.
25890         * unwind-compat.h: Likewise.
25891         * unwind-dw2-fde-compat.c: Likewise.
25892         * unwind-dw2-fde-darwin.c: Likewise.
25893         * unwind-dw2-fde-glibc.c: Likewise.
25894         * unwind-dw2-fde.c: Likewise.
25895         * unwind-dw2-fde.h: Likewise.
25896         * unwind-dw2.c: Likewise.
25897         * unwind-dw2.h: Likewise.
25898         * unwind-generic.h: Likewise.
25899         * unwind-pe.h: Likewise.
25900         * unwind-sjlj.c: Likewise.
25901         * unwind.inc: Likewise.
25902         * config/arm/neon-gen.ml: Change generated copyright header to
25903         refer to version 3 of the GNU General Public License with
25904         version 3.1 of the GCC Runtime Library Exception and to point
25905         readers at the COPYING3 and COPYING3.RUNTIME files and the
25906         FSF's license web page.
25907         * config/arm/arm_neon.h: Regenerate.
25908
25909 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
25910
25911         * config/cris/cris.md: Change copyright header to refer to version
25912         3 of the GNU General Public License.
25913         * doc/install.texi2html: Change copyright header to refer to version
25914         3 of the GNU General Public License and to point readers at the
25915         COPYING3 file and the FSF's license web page.
25916         * config/vax/linux.h: Likewise.
25917
25918 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
25919
25920         * config/i386/i386.md (cmpcc): New.
25921         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
25922         (sync_compare_and_swap_cc*): Delete.
25923
25924         * config/s390/s390.c (s390_compare_emitted): Remove.
25925         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
25926         s390_compare_emitted used to be handled.  Assert that modes match.
25927         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
25928         refer to sync_compare_and_swap_ccsi.
25929         * config/s390/s390.h (s390_compare_emitted): Remove.
25930         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
25931         instead of s390_compare_emitted.
25932         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
25933         instead of s390_compare_emitted.
25934         * config/s390/s390.md (cmpcc): New.
25935         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
25936         CC_REGNUM, do not pretend it's set.
25937         (sync_compare_and_swap_cc*): Delete.
25938         * config/s390/predicates.md (cc_reg_operand): New.
25939
25940         * expr.c (sync_compare_and_swap_cc): Delete.
25941         * optabs.h (sync_compare_and_swap_cc): Delete.
25942         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
25943         is being used with can_compare_p.
25944         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
25945         (find_cc_set): New.
25946         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
25947         look for a MODE_CC set instead.  Use emit_store_flag.
25948         (expand_compare_and_swap_loop): Likewise, with some additional
25949         complication to avoid a force_reg when useless.  Use
25950         emit_cmp_and_jump_insns.
25951         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
25952         * doc/md.texi (sync_compare_and_swap_cc): Merge with
25953         sync_compare_and_swap documentation.
25954
25955 2009-04-09  Jan Hubicka  <jh@suse.cz>
25956
25957         * except.c (find_prev_try): Break out from ....
25958         (duplicate_eh_regions): ... here; properly update prev_try pointers
25959         when duplication part of tree.
25960         (dump_eh_tree): Improve dumping.
25961         (verify_eh_region): New.
25962         (verify_eh_tree): Use it.
25963
25964 2009-04-06  Richard Guenther  <rguenther@suse.de>
25965
25966         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
25967         &ARRAY addresses by adjusting their types and prepending
25968         a conversion.
25969         * tree-cfg.c (verify_gimple_assign_single): Verify that
25970         addresses are correct.
25971
25972 2009-04-09  Richard Guenther  <rguenther@suse.de>
25973
25974         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
25975         indices into an array reference if possible.
25976         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
25977         Fold POINTER_PLUS_EXPR statements with invariant address.
25978
25979 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
25980
25981         PR target/39634
25982         * config.gcc (powerpc64-*-linux*): Always build biarch.
25983
25984 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
25985
25986         PR c/39613
25987         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
25988         it and pedwarn if this results in an INTEGER_CST.
25989
25990 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25991
25992         * doc/install.texi: Update minimum GMP version.  Remove obsolete
25993         text in MPFR section.
25994
25995 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
25996
25997         * dwarf2out.c (class_scope_p): New static inline.
25998         (class_or_namespace_scope_p): Use it.
25999         (gen_variable_die): Use DW_TAG_member tag for static data member
26000         declarations instead of DW_TAG_variable.
26001
26002         PR middle-end/39573
26003         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
26004         variables.
26005
26006 2009-04-08  Richard Guenther  <rguenther@suse.de>
26007
26008         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
26009         valueize random data.
26010
26011 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
26012
26013         * config.gcc (aix tm_file):  Add aix-stdint.h.
26014         (aix tm clause use_gcc_stdint):  Set to wrap.
26015         * config/rs6000/aix-stdint.h:  New file.
26016
26017 2009-04-08  Richard Guenther  <rguenther@suse.de>
26018
26019         PR middle-end/36291
26020         * tree-dfa.c (add_referenced_var): Do not recurse into
26021         global initializers.
26022         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
26023         exposed variables.
26024         (fold_const_aggregate_ref): Likewise.
26025
26026 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
26027
26028         * recog.c (ordered_comparison_operator): New.
26029         * gensupport.c (std_preds): Add it.
26030         * doc/md.texi (Machine-Independent Predicates): Document it.
26031
26032 2009-04-08  Jan Hubicka  <jh@suse.cz>
26033
26034         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
26035         * function.h (rtl_eh): Remove exception_handler_label_map.
26036         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
26037         remove_exception_handler_label, for_each_eh_label_1): Remove.
26038         (rtl_remove_unreachable_regions): Remove.
26039         (convert_from_eh_region_ranges): Do not remove unreachable regions.
26040         (find_exception_handler_labels): Don't build the hashtable.
26041         (maybe_remove_eh_handler): Remove.
26042         (for_each_eh_label): Rewrite to walk the tree.
26043         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
26044         * except.h (maybe_remove_eh_handler): Remove.
26045         * passes.c (init_optimization_passes): Schedule second EH cleanup
26046         before out-of-ssa.
26047         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
26048         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
26049
26050 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
26051
26052         * genoutput.c (validate_optab_operands): New.
26053         (gen_insn, gen_expand): Call it.
26054
26055         * genflags.c (gen_insn): Detect misused iterators.
26056         (main): Pass line_no to gen_insn, exit with status 1 on error.
26057
26058         * genextract.c (line_no): Make global.
26059         (VEC_safe_set_locstr): Change assertion to error message.
26060         (main): Exit with status 1 on error.
26061
26062 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
26063
26064         PR c/39614
26065         PR c/39673
26066         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
26067         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
26068         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
26069         * c-convert.c (convert): Do not call fold on results of conversion
26070         functions when the result is a C_MAYBE_CONST_EXPR.
26071         * c-parser.c (c_parser_postfix_expression): Do not fold condition
26072         of __builtin_choose_expr.
26073         * c-typeck.c (remove_c_maybe_const_expr): New.
26074         (build_unary_op, build_conditional_expr, build_compound_expr,
26075         build_binary_op, c_objc_common_truthvalue_conversion): Call
26076         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
26077         integer operands.
26078
26079 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
26080
26081         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
26082         CODE to produce a new one. Add a prototype to use fold_convert_const
26083
26084 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
26085
26086         PR bootstrap/39660
26087         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
26088         mix declarations and code.
26089
26090 2009-04-08  Ben Elliston  <bje@au.ibm.com>
26091
26092         * gcc.c: Replace `CC' with `GCC' throughout.
26093
26094 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
26095
26096         * doc/invoke.texi: Document Atom support.
26097
26098 2009-04-07  Jason Merrill  <jason@redhat.com>
26099
26100         PR c++/25185
26101         * c-common.h, c-common.c: Add flag_pretty_templates.
26102         * c-opts.c (c_common_handle_option): Set it.
26103         * c.opt: Add -fno-pretty-templates.
26104         * doc/invoke.texi (C++ Dialect Options): Likewise.
26105
26106 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
26107
26108         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
26109         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
26110         (ia64_expand_builtin): Likewise.
26111
26112 2009-04-07  Martin Jambor  <mjambor@suse.cz>
26113
26114         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
26115         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
26116         ADDR_EXPRS are include too.
26117
26118 2009-04-07  Richard Guenther  <rguenther@suse.de>
26119
26120         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
26121         decls are only used if passes as parameters or if they are
26122         local statics and the call is not to a builtin.
26123         (call_may_clobber_ref_p_1): Likewise.
26124
26125 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
26126
26127         * expr.c (do_store_flag): Remove last argument.  Simplify code
26128         to avoid duplication of tests already done by can_compare_p.
26129         (expand_expr_real_1): Adjust caller.
26130
26131 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
26132
26133         * optabs.c (can_compare_p): Test the predicate of a
26134         cbranch and cstore pattern.
26135
26136 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
26137
26138         * expr.c (convert_move): Use emit_store_flag instead of
26139         "emulating" it.
26140
26141 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
26142
26143         * config/i386/i386.c (ix86_compare_emitted): Remove.
26144         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
26145         ix86_compare_op0 like ix86_compare_emitted used to be handled.
26146         * config/i386/i386.h (ix86_compare_emitted): Remove.
26147         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
26148         instead of ix86_compare_emitted.
26149         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
26150
26151 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
26152
26153         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
26154         Add t-sysroot-suffix to tmake_file.
26155         * config/print-sysroot-suffix.sh: New file.
26156         * config/t-sysroot-suffix: New file.
26157
26158 2009-04-07  Ben Elliston  <bje@au.ibm.com>
26159
26160         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
26161         as the latter produces a warning when the target does not support
26162         infinity.
26163
26164 2009-04-07  Ben Elliston  <bje@au.ibm.com>
26165
26166         * dfp.c: Replace type punning assignments with memcpy throughout.
26167         * Makefile.in (dfp.o-warn): Remove.
26168
26169 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
26170
26171         PR target/39634
26172         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
26173         Include soft-fp/t-softfp after rs6000/t-linux64.
26174
26175 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
26176
26177         * stor-layout.c (set_sizetype): Use the full precision of their
26178         machine mode for bitsize types.
26179
26180 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
26181
26182         * config/i386/i386.md: Revert 2 accidental checkins.
26183
26184 2009-04-06  Joey Ye  <joey.ye@intel.com>
26185             Xuepeng Guo  <xuepeng.guo@intel.com>
26186             H.J. Lu  <hongjiu.lu@intel.com>
26187
26188         Atom pipeline model, tuning and insn selection.
26189         * config.gcc (atom): Add atom config options and target.
26190
26191         * config/i386/atom.md: New.
26192
26193         * config/i386/i386.c (atom_cost): New cost.
26194         (m_ATOM): New macro flag.
26195         (initial_ix86_tune_features): Set m_ATOM.
26196         (x86_accumulate_outgoing_args): Likewise.
26197         (x86_arch_always_fancy_math_387): Likewise.
26198         (processor_target): Add Atom cost.
26199         (cpu_names): Add Atom cpu name.
26200         (override_options): Set Atom ISA.
26201         (ix86_issue_rate): New case PROCESSOR_ATOM.
26202         (ix86_adjust_cost): Likewise.
26203
26204         * config/i386/i386.h (TARGET_ATOM): New target macro.
26205         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
26206         (TARGET_OPT_AGU): New target option.
26207         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
26208         (processor_type): Add PROCESSOR_ATOM.
26209
26210         * config/i386/i386.md (cpu): Add new value "atom".
26211         (use_carry, movu): New attr.
26212         (atom.md): Include atom.md.
26213         (adddi3_carry_rex64): Set attr "use_carry".
26214         (addqi3_carry): Likewise.
26215         (addhi3_carry): Likewise.
26216         (addsi3_carry): Likewise.
26217         (*addsi3_carry_zext): Likewise.
26218         (subdi3_carry_rex64): Likewise.
26219         (subqi3_carry): Likewise.
26220         (subhi3_carry): Likewise.
26221         (subsi3_carry): Likewise.
26222         (x86_movdicc_0_m1_rex64): Likewise.
26223         (*x86_movdicc_0_m1_se): Likewise.
26224         (x86_movsicc_0_m1): Likewise.
26225         (*x86_movsicc_0_m1_se): Likewise.
26226         (*adddi_1_rex64): Emit add insn as much as possible.
26227         (*addsi_1): Likewise.
26228         (return_internal): Set atom_unit.
26229         (return_internal_long): Likewise.
26230         (return_pop_internal): Likewise.
26231         (*rcpsf2_sse): Set atom_sse_attr attr.
26232         (*qrt<mode>2_sse): Likewise.
26233         (*prefetch_sse): Likewise.
26234
26235         * config/i386/i386-c.c (ix86_target_macros_internal): New case
26236         PROCESSOR_ATOM.
26237         (ix86_target_macros_internal): Likewise.
26238
26239         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
26240         (*prefetch_sse_rex): Likewise.
26241         (sse_rcpv4sf2): Likewise.
26242         (sse_vmrcpv4sf2): Likewise.
26243         (sse_sqrtv4sf2): Likewise.
26244         (<sse>_vmsqrt<mode>2): Likewise.
26245         (sse_ldmxcsr): Likewise.
26246         (sse_stmxcsr): Likewise.
26247         (*sse_sfence): Likewise.
26248         (sse2_clflush): Likewise.
26249         (*sse2_mfence): Likewise.
26250         (*sse2_lfence): Likewise.
26251         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
26252         (<sse>_movup<ssemodesuffixf2c>): Likewise.
26253         (avx_movdqu<avxmodesuffix>): Likewise.
26254         (avx_lddqu<avxmodesuffix>): Likewise.
26255         (sse2_movntv2di): Change attr "type" to "ssemov".
26256         (sse2_movntsi): Likewise.
26257         (rsqrtv8sf2): Change attr "type" to "sseadd".
26258         (sse3_addsubv2df3): Set attr "atom_unit".
26259         (sse3_h<plusminus_insn>v4sf3): Likewise.
26260         (*sse2_pmaddwd): Likewise.
26261         (*vec_extractv2di_1_rex64): Likewise.
26262         (*vec_extractv2di_1_avx): Likewise.
26263         (sse2_psadbw): Likewise.
26264         (ssse3_phaddwv8hi3): Likewise.
26265         (ssse3_phaddwv4hi3): Likewise.
26266         (ssse3_phadddv4si3): Likewise.
26267         (ssse3_phadddv2si3): Likewise.
26268         (ssse3_phaddswv8hi3): Likewise.
26269         (ssse3_phaddswv4hi3): Likewise.
26270         (ssse3_phsubwv8hi3): Likewise.
26271         (ssse3_phsubwv4hi3): Likewise.
26272         (ssse3_phsubdv4si3): Likewise.
26273         (ssse3_phsubdv2si3): Likewise.
26274         (ssse3_phsubswv8hi3): Likewise.
26275         (ssse3_phsubswv4hi3): Likewise.
26276         (ssse3_pmaddubsw128): Likewise.
26277         (sse3_pmaddubsw: Likewise.
26278         (ssse3_palignrti): Likewise.
26279         (ssse3_palignrdi): Likewise.
26280
26281 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
26282
26283         * doc/install.texi (Specific): Fix two cross-references to MinGW.
26284
26285 2009-04-06  Richard Guenther  <rguenther@suse.de>
26286
26287         PR tree-optimization/28868
26288         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
26289         of which PHI results we inserted.
26290         (insert_into_preds_of_block): Record inserted PHIs.
26291         (eliminate): Eliminate redundant PHI nodes.
26292         (init_pre): Init inserted_phi_names.
26293
26294 2009-04-06  Richard Guenther  <rguenther@suse.de>
26295
26296         PR tree-optimization/39643
26297         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
26298         IMAGPART_EXPRs of complex constants.
26299         (execute_fold_all_builtins): If we folded a call queue
26300         TODO_update_address_taken.
26301
26302 2009-04-06  Jan Hubicka  <jh@suse.cz>
26303
26304         PR middle-end/39659
26305         * except.c (remove_unreachable_regions): Propagate may_contain_throw
26306         flag.
26307
26308 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
26309
26310         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
26311         delay slot.
26312         (ic_invalidate_array): Likewise.
26313
26314 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
26315
26316         * calls.c (emit_library_call_value_1): Fix a problem with parameter
26317         alignment for library calls.
26318
26319 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
26320
26321         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
26322         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
26323         * config/i386/mingw-stdint.h:  New file.
26324
26325 2009-04-05  Richard Guenther  <rguenther@suse.de>
26326
26327         PR tree-optimization/39648
26328         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
26329         our &A vs. &A[0] IL deficiencies.
26330
26331 2009-04-04  Jan Hubicka  <jh@suse.cz>
26332
26333         * except.c (sjlj_find_directly_reachable_regions): Be ready for
26334         removed toplevel regions.
26335         (sjlj_mark_call_sites): Likewise.
26336
26337 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
26338
26339         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
26340         (cygwin tm clause use_gcc_stdint):  Set to wrap.
26341         * config/i386/cygwin-stdint.h:  New file.
26342
26343 2009-04-04  Richard Guenther  <rguenther@suse.de>
26344
26345         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
26346         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
26347         single-argument PHIs if we are in loop-closed SSA form.
26348         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
26349         for the pre-condition.
26350         (slpeel_tree_peel_loop_to_edge): Likewise.
26351         (vect_build_loop_niters): Take an optional sequence to append stmts.
26352         (vect_generate_tmps_on_preheader): Likewise.
26353         (vect_do_peeling_for_loop_bound): Take extra guards for the
26354         pre-condition.
26355         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
26356         the cost model check.
26357         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
26358         guards if we are going to peel.  Do not apply versioning in that case.
26359         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
26360         (vect_do_peeling_for_loop_bound): Likewise.
26361         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
26362         loop bound only record extra pre-conditions, do not apply loop
26363         versioning.
26364
26365 2009-04-04  Richard Guenther  <rguenther@suse.de>
26366
26367         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
26368         renaming code.
26369
26370 2009-04-04  Jan Hubicka  <jh@suse.cz>
26371
26372         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
26373         last_basic_block for size of bb->index indexed array.
26374         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
26375         compute_out, link_btr_uses, build_btr_def_use_webs,
26376         build_btr_def_use_webs, migrate_btr_defs): Likewise.
26377
26378 2009-04-04  Jan Hubicka  <jh@suse.cz>
26379
26380         * except.c (remove_eh_handler_and_replace): Break out from ...
26381         (remove_eh_handler): ... here.
26382         (bring_to_root): New function.
26383         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
26384         handled ones, bring others to root of tree.
26385
26386 2009-04-04  Jan Hubicka  <jh@suse.cz>
26387
26388         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
26389         (all_phis_safe_to_merge): New function.
26390         (update_info): New structure.
26391         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
26392         (cleanup_empty_eh): Update SSA if possible.
26393
26394 2009-04-04  Richard Guenther  <rguenther@suse.de>
26395
26396         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
26397         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
26398         (append_vuse): Likewise.
26399
26400 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
26401
26402         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
26403         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
26404         instead of REG_UNSAVED for DW_CFA_undefined.
26405         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
26406         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
26407         outermost frame.
26408
26409 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
26410
26411         PR target/39501
26412         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
26413
26414 2009-04-04  Richard Guenther  <rguenther@suse.de>
26415
26416         PR tree-optimization/8781
26417         PR tree-optimization/37892
26418         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
26419         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
26420         (valueize_refs): Call it for *& valueizations.
26421         (shared_reference_ops_from_ref): Rename to ...
26422         (valueize_shared_reference_ops_from_ref): ... this and valueize.
26423         (shared_reference_ops_from_call): Rename to ...
26424         (valueize_shared_reference_ops_from_call): ... this and valueize.
26425         (vn_reference_lookup): Update.
26426         (visit_reference_op_call): Likewise.
26427         * tree-ssa-pre.c (phi_translate_1): Fold *&.
26428         (eliminate): Value-replace the call address in call statements.
26429
26430 2009-04-04  Richard Guenther  <rguenther@suse.de>
26431
26432         PR tree-optimization/39636
26433         * tree-ssa-forwprop.c
26434         (forward_propagate_addr_into_variable_array_index): Check for
26435         GIMPLE_ASSIGN before accessing the rhs code.
26436
26437 2009-04-03  Jason Merrill  <jason@redhat.com>
26438
26439         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
26440
26441 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
26442
26443         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
26444         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
26445         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
26446         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
26447         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
26448         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
26449         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
26450         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
26451         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
26452         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
26453         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
26454         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
26455         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
26456         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
26457         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
26458         Use fr_reg_or_fp01_operand instead of fr_register_operand
26459
26460         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
26461         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
26462         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
26463
26464 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
26465
26466         PR rtl-optimization/39607
26467         PR rtl-optimization/39631
26468
26469         Revert:
26470
26471         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
26472         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
26473         instead of DF_LR_OUT.
26474         * ira-lives.c (process_bb_node_lives): Ditto.
26475         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
26476         instead of DF_LR_{OUT,IN}.
26477         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
26478         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
26479
26480 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
26481
26482         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
26483         (execute_lower_omp): Always run but take the short way out if -fopenmp
26484         is not given.
26485         (gate_lower_omp): Remove, forcing the pass manager to always run the
26486         pass and always set PROP_gimple_lomp.
26487         (pass_lower_omp): Remove gate function.
26488         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
26489         PROP_trees.  Instead, require it.
26490         * ipa-cp.c (pass_ipa_cp): Likewise.
26491         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
26492         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
26493         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
26494         and PROP_gimple_leh.
26495
26496 2009-04-03  Richard Guenther  <rguenther@suse.de>
26497
26498         PR middle-end/13146
26499         PR tree-optimization/23940
26500         PR tree-optimization/33237
26501         PR middle-end/33974
26502         PR middle-end/34093
26503         PR tree-optimization/36201
26504         PR tree-optimization/36230
26505         PR tree-optimization/38049
26506         PR tree-optimization/38207
26507         PR tree-optimization/38230
26508         PR tree-optimization/38301
26509         PR tree-optimization/38585
26510         PR middle-end/38895
26511         PR tree-optimization/38985
26512         PR tree-optimization/39299
26513         * tree-ssa-structalias.h: Remove.
26514         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
26515         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
26516         (struct vuse_element_d): Remove.
26517         (struct vuse_vec_d): Likewise.
26518         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
26519         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
26520         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
26521         VUSE_ELEMENT_VAR): Likewise.
26522         (struct voptype_d): Likewise.
26523         (NUM_VOP_FREE_BUCKETS): Likewise.
26524         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
26525         (struct stmt_operands_d): Remove.
26526         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
26527         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
26528         VDEF_NUM, VDEF_VECT): Likewise.
26529         (copy_virtual_operands): Remove.
26530         (operand_build_cmp): Likewise.
26531         (create_ssa_artificial_load_stmt): Likewise.
26532         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
26533         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
26534         vuse_index and mayuse_index members.  Pack and move done and iter_type
26535         members to the front.
26536         (SSA_OP_VMAYUSE): Remove.
26537         (SSA_OP_VIRTUAL_USES): Adjust.
26538         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
26539         (unlink_stmt_vdef): Declare.
26540         (add_to_addressable_set): Remove.
26541         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
26542         (vrp_visit_stmt): Likewise.
26543         * doc/tree-ssa.texi (Alias analysis): Update.
26544         * doc/invoke.texi (max-aliased-vops): Remove docs.
26545         (avg-aliased-vops): Likewise.
26546         * tree-into-ssa.c (syms_to_rename): Remove.
26547         (need_to_update_vops_p): Likewise.
26548         (need_to_initialize_update_ssa_p): Rename to ...
26549         (update_ssa_initialized_fn): ... this.  Track function we are
26550         initialized for.
26551         (symbol_marked_for_renaming): Simplify.
26552         (add_new_name_mapping): Do not set need_to_update_vops_p.
26553         (dump_currdefs): Use SYMS_TO_RENAME.
26554         (rewrite_update_stmt): Always walk all uses/defs.
26555         (dump_update_ssa): Adjust.
26556         (init_update_ssa): Take function argument.  Track what we are
26557         initialized for.
26558         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
26559         (create_new_def_for): Initialize for cfun, assert we are initialized
26560         for cfun.
26561         (mark_sym_for_renaming): Simplify.
26562         (mark_set_for_renaming): Do not initialize update-ssa.
26563         (need_ssa_update_p): Simplify.  Take function argument.
26564         (name_mappings_registered_p): Assert we ask for the correct function.
26565         (name_registered_for_update_p): Likewise.
26566         (ssa_names_to_replace): Likewise.
26567         (release_ssa_name_after_update_ssa): Likewise.
26568         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
26569         (dump_decl_set): Do not print a newline.
26570         (debug_decl_set): Do it here.
26571         (dump_update_ssa): And here.
26572         * tree-ssa-loop-im.c (move_computations): Adjust.
26573         (movement_possibility): Likewise.
26574         (determine_max_movement): Likewise.
26575         (gather_mem_refs_stmt): Likewise.
26576         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
26577         or NAME_MEMORY_TAG.
26578         * tree-complex.c (update_all_vops): Remove.
26579         (expand_complex_move): Adjust.
26580         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
26581         Simplify test for memory referencing statement.  Exclude
26582         non-invariant ADDR_EXPRs.
26583         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
26584         * tree-loop-distribution.c (generate_memset_zero): Adjust.
26585         (rdg_flag_uses): Likewise.
26586         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
26587         related code.
26588         (tree_optimize_tail_calls_1): Also split the
26589         edge from the entry block if we have degenerate PHI nodes in
26590         the first basic block.
26591         * tree.c (init_ttree): Remove memory-tag related code.
26592         (tree_code_size): Likewise.
26593         (tree_node_structure): Likewise.
26594         (build7_stat): Re-write to be build6_stat.
26595         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
26596         (SSA_VAR_P): Adjust.
26597         (struct tree_memory_tag): Remove.
26598         (struct tree_memory_partition_tag): Likewise.
26599         (union tree_node): Adjust.
26600         (build7): Re-write to be build6.
26601         * tree-pass.h (pass_reset_cc_flags): Remove.
26602         (TODO_update_address_taken): New flag.
26603         (pass_simple_dse): Remove.
26604         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
26605         * params.h (MAX_ALIASED_VOPS): Remove.
26606         (AVG_ALIASED_VOPS): Likewise.
26607         * omp-low.c (expand_omp_taskreg): Update SSA form.
26608         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
26609         aliases the lhs in a copy stmt.
26610         * tree-ssa-dse.c (struct address_walk_data): Remove.
26611         (memory_ssa_name_same): Likewise.
26612         (memory_address_same): Likewise.
26613         (get_kill_of_stmt_lhs): Likewise.
26614         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
26615         unused stores.  Look through PHI nodes into post-dominated regions.
26616         (dse_optimize_stmt): Simplify.  Properly remove stores.
26617         (tree_ssa_dse): Compute dominators.
26618         (execute_simple_dse): Remove.
26619         (pass_simple_dse): Likewise.
26620         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
26621         gimple_loaded_syms and gimple_stored_syms computation.
26622         * toplev.c (dump_memory_report): Dump alias and pta stats.
26623         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
26624         (vn_reference_eq): Likewise.
26625         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
26626         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
26627         valueize_vuses): Remove.
26628         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
26629         (get_def_ref_stmt_vuse): ... this.
26630         (vn_reference_lookup_2): New function.
26631         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
26632         walking equivalent vuses.  Simplify.
26633         (vn_reference_lookup): Likewise.
26634         (vn_reference_insert): Likewise.
26635         (vn_reference_insert_pieces): Likewise.
26636         (visit_reference_op_call): Simplify.
26637         (visit_reference_op_load): Likewise.
26638         (visit_reference_op_store): Likewise.
26639         (init_scc_vn): Remove shared_lookup_vuses initialization.
26640         (free_scc_vn): Remove shared_lookup_vuses freeing.
26641         (sort_vuses, sort_vuses_heap): Remove.
26642         (get_ref_from_reference_ops): Export.
26643         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
26644         vector with single vuse pointer.
26645         (vn_reference_lookup_pieces, vn_reference_lookup,
26646         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
26647         (shared_vuses_from_stmt): Remove.
26648         (get_ref_from_reference_ops): Declare.
26649         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
26650         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
26651         memory-tag related code.
26652         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
26653         (likely_value): Add comment, skip static-chain of call statements.
26654         (surely_varying_stmt_p): Adjust.
26655         (gimplify_and_update_call_from_tree): Likewise.
26656         (execute_fold_all_builtins): Do not rebuild alias info.
26657         (gimplify_and_update_call_from_tree): Properly update VOPs.
26658         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
26659         (copy_ref_info): Remove memory-tag related code.
26660         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
26661         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
26662         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
26663         computation.
26664         * tree-ssa-dom.c (gimple_p): Remove typedef.
26665         (eliminate_redundant_computations): Adjust.
26666         (record_equivalences_from_stmt): Likewise.
26667         (avail_expr_hash): Likewise.
26668         (avail_expr_eq): Likewise.
26669         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
26670         (stmt_makes_single_load): Likewise.
26671         (stmt_makes_single_store): Likewise.
26672         * tree-ssa-alias.c: Rewrite completely.
26673         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
26674         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
26675         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
26676         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
26677         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
26678         Remove public functions.
26679         (pass_reset_cc_flags): Remove.
26680         (pass_build_alias): Move ...
26681         * tree-ssa-structalias.c (pass_build_alias): ... here.
26682         * tree-ssa-alias.c (may_be_aliased): Move ...
26683         * tree-flow-inline.h (may_be_aliased): ... here.
26684         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
26685         count_uses_and_derefs): Move ...
26686         * gimple.c: ... here.
26687         * gimple.h (count_uses_and_derefs): Declare.
26688         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
26689         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
26690         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
26691         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
26692         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
26693         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
26694         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
26695         New functions.
26696         * tree-dfa.c (refs_may_alias_p): Move ...
26697         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
26698         * tree-ssa-alias.h: New file.
26699         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
26700         (statement_sink_location): Likewise.
26701         * opts.c (decode_options): Do not adjust max-aliased-vops or
26702         avg-aliased-vops values.
26703         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
26704         (TV_CALL_CLOBBER): Likewise.
26705         (TV_FLOW_SENSITIVE): Likewise.
26706         (TV_FLOW_INSENSITIVE): Likewise.
26707         (TV_MEMORY_PARTITIONING): Likewise.
26708         (TV_ALIAS_STMT_WALK): New timevar.
26709         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
26710         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
26711         (get_address_description): Remove memory-tag related code.
26712         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
26713         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
26714         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
26715         and immediate uses in statements.  Document.
26716         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
26717         (dump_symbols): Remove.
26718         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
26719         * alias.c (get_deref_alias_set): New function split out from ...
26720         (get_alias_set): ... here.
26721         * alias.h (get_deref_alias_set): Declare.
26722         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
26723         type parameter.  Remove restrict pointer handling.  Create a
26724         ref-all pointer in case type-based alias sets do not conflict.
26725         (vect_analyze_data_refs): Remove SMT related code.
26726         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
26727         (vectorizable_load): Likewise.
26728         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
26729         (DR_SYMBOL_TAG, DR_VOPS): Remove.
26730         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
26731         Ignore vops and SMTs.
26732         (dr_analyze_alias): Likewise..
26733         (free_data_ref): Likewise.
26734         (create_data_ref): Likewise.
26735         (analyze_all_data_dependences): Likewise.
26736         (get_references_in_stmt): Adjust.
26737         * tree-flow-inline.h (gimple_aliases_computed_p,
26738         gimple_addressable_vars, gimple_call_clobbered_vars,
26739         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
26740         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
26741         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
26742         gimple_mem_ref_stats): Remove.
26743         (gimple_vop): New function.
26744         (op_iter_next_use): Remove vuses and mayuses cases.
26745         (op_iter_next_def): Remove vdefs case.
26746         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
26747         (clear_and_done_ssa_iter): Do not set removed fields.
26748         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
26749         Assert we are not iterating over vuses or vdefs if not also
26750         iterating over uses or defs.
26751         (op_iter_init_use): Likewise.
26752         (op_iter_init_def): Likewise.
26753         (op_iter_next_vdef): Remove.
26754         (op_iter_next_mustdef): Likewise.
26755         (op_iter_init_vdef): Likewise.
26756         (compare_ssa_operands_equal): Likewise.
26757         (link_use_stmts_after): Handle vuse operand.
26758         (is_call_used): Use is_call_clobbered.
26759         (is_call_clobbered): Global variables are always call clobbered,
26760         query the call-clobbers bitmap.
26761         (mark_call_clobbered): Ignore global variables.
26762         (clear_call_clobbered): Likewise.
26763         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
26764         virtual operands sanity check.
26765         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
26766         Remove.
26767         (TARGET_MEM_REF): Remove TMR_TAG operand.
26768         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
26769         Remove call-clobber related code.
26770         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
26771         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
26772         partitions or escape reason.
26773         (get_single_def_stmt, get_single_def_stmt_from_phi,
26774         get_single_def_stmt_with_phi): Remove.
26775         (dump_referenced_vars): Tidy.
26776         (get_ref_base_and_extent): Allow bare decls.
26777         (collect_dfa_stats): Adjust.
26778         * graphite.c (rename_variables_in_stmt): Adjust.
26779         (graphite_copy_stmts_from_block): Likewise.
26780         (translate_clast): Likewise.
26781         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
26782         (EXPR_DIES): New.
26783         (translate_vuse_through_block): Use the oracle.
26784         (phi_translate_1): Adjust.
26785         (value_dies_in_block_x): Use the oracle.  Cache the outcome
26786         in EXPR_DIES.
26787         (valid_in_sets): Check if the VUSE for
26788         a REFERENCE is available.
26789         (eliminate): Do not remove stmts during elimination,
26790         instead queue and remove them afterwards.
26791         (do_pre): Do not rebuild alias info.
26792         (pass_pre): Run TODO_rebuild_alias before PRE.
26793         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
26794         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
26795         (mark_all_v_defs_stmt): Remove.
26796         (mark_all_v_defs_seq): Adjust.
26797         (sra_replace): Likewise.
26798         (scalarize_use): Likewise.
26799         (scalarize_copy): Likewise.
26800         (scalarize_init): Likewise.
26801         (scalarize_ldst): Likewise.
26802         (todoflags): Remove.
26803         (tree_sra): Do not rebuild alias info.
26804         (tree_sra_early): Adjust.
26805         (pass_sra): Run TODO_update_address_taken before SRA.
26806         * tree-predcom.c (set_alias_info): Remove.
26807         (prepare_initializers_chain): Do not call it.
26808         (mark_virtual_ops_for_renaming): Adjust.
26809         (mark_virtual_ops_for_renaming_list): Remove.
26810         (initialize_root_vars): Adjust.
26811         (initialize_root_vars_lm): Likewise.
26812         (prepare_initializers_chain): Likewise.
26813         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
26814         (may_propagate_copy_into_stmt): Likewise.
26815         (merge_alias_info): Do nothing for now.
26816         (propagate_tree_value_into_stmt): Adjust.
26817         (stmt_may_generate_copy): Likewise.
26818         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
26819         not mark symbols for renaming.
26820         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
26821         with the same statement, make sure to update the new pointed-to one.
26822         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
26823         call statements, do not mark symbols for renaming.
26824         (mark_operand_necessary): Dump something.
26825         (ref_may_be_aliased): New function.
26826         (mark_aliased_reaching_defs_necessary_1): New helper function.
26827         (mark_aliased_reaching_defs_necessary): Likewise.
26828         (mark_all_reaching_defs_necessary_1): Likewise.
26829         (mark_all_reaching_defs_necessary): Likewise.
26830         (propagate_necessity): Do not process virtual PHIs.  For
26831         non-aliased loads mark all reaching definitions as necessary.
26832         For aliased loads and stores mark the immediate dominating
26833         aliased clobbers as necessary.
26834         (visited): New global static.
26835         (perform_tree_ssa_dce): Free visited bitmap after propagating
26836         necessity.
26837         (remove_dead_phis): Perform simple dead virtual PHI removal.
26838         (remove_dead_stmt): Properly unlink virtual operands when
26839         removing stores.
26840         (eliminate_unnecessary_stmts): Schedule PHI removal after
26841         stmt removal.
26842         * tree-ssa-ter.c (is_replaceable_p): Adjust.
26843         (process_replaceable): Likewise.
26844         (find_replaceable_in_bb): Likewise.
26845         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
26846         based on the single gimple vop.
26847         (verify_flow_insensitive_alias_info): Remove.
26848         (verify_flow_sensitive_alias_info): Likewise.
26849         (verify_call_clobbering): Likewise.
26850         (verify_memory_partitions): Likewise.
26851         (verify_alias_info): Likewise.
26852         (verify_ssa): Adjust..
26853         (execute_update_addresses_taken): Export.  Update SSA
26854         manually.  Optimize only when optimizing.  Use a local bitmap.
26855         (pass_update_address_taken): Remove TODO_update_ssa, add
26856         TODO_dump_func.
26857         (pass_update_address_taken): Just use TODO_update_address_taken.
26858         (init_tree_ssa): Do not initialize addressable_vars.
26859         (verify_ssa): Verify new VUSE / VDEF properties.
26860         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
26861         Do not call verify_alias_info.
26862         (delete_tree_ssa): Clear the VUSE, VDEF operands.
26863         Do not free the loaded and stored syms bitmaps.  Reset the escaped
26864         and callused solutions.  Do not free addressable_vars.
26865         Remove memory-tag related code.
26866         (warn_uninitialized_var): Aliases are always available.
26867         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
26868         * lambda-code.c (can_put_in_inner_loop): Adjust.
26869         (can_put_after_inner_loop): Likewise.
26870         (perfect_nestify): Likewise.
26871         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
26872         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
26873         (vectorizable_conversion): Do not mark symbols for renaming.
26874         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
26875         (expand_call_inline): Unlink the calls virtual operands before
26876         replacing it.
26877         (tree_function_versioning): Do not call update_ssa if we are not
26878         updating clones.  Simplify.
26879         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
26880         (propagate_with_phi): Likewise..
26881         * tree-outof-ssa.c (create_temp): Remove memory tag and call
26882         clobber code.  Assert we are not aliased or global.
26883         * tree-flow.h: Include tree-ssa-alias.h
26884         (enum escape_type): Remove.
26885         (struct mem_sym_stats_d): Likewise.
26886         (struct mem_ref_stats_d): Likewise.
26887         (struct gimple_df): Add vop member.  Remove global_var,
26888         call_clobbered_vars, call_used_vars, addressable_vars,
26889         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
26890         escaped and callused members.
26891         (struct ptr_info_def): Remove all members, add points-to solution
26892         member pt.
26893         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
26894         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
26895         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
26896         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
26897         (tree-ssa-alias.o): Likewise.
26898         (toplev.o): Add tree-ssa-alias.h
26899         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
26900         * gimple.c (gimple_set_bb): Fix off-by-one error.
26901         (is_gimple_reg): Do not handle memory tags.
26902         (gimple_copy): Also copy virtual operands.
26903         Delay updating the statement.  Do not reset loaded and stored syms.
26904         (gimple_set_stored_syms): Remove.
26905         (gimple_set_loaded_syms): Likewise.
26906         (gimple_call_copy_skip_args): Copy the virtual operands
26907         and mark the new statement modified.
26908         * tree-ssa-structalias.c (may_alias_p): Remove.
26909         (set_uids_in_ptset): Take the alias set to prune with as
26910         parameter.  Fold in the alias test of may_alias_p.
26911         (compute_points_to_sets): Compute whether a ptr is dereferenced
26912         in a local sbitmap.
26913         (process_constraint): Deal with &ANYTHING on the lhs, reject all
26914         other ADDRESSOF constraints on the lhs.
26915         (get_constraint_for_component_ref): Assert that we don't get
26916         ADDRESSOF constraints from the base of the reference.
26917         Properly generate UNKNOWN_OFFSET for DEREF if needed.
26918         (struct variable_info): Remove collapsed_to member.
26919         (get_varinfo_fc): Remove.
26920         (new_var_info): Do not set collapsed_to.
26921         (dump_constraint): Do not follow cycles.
26922         (dump_constraint_graph): Likewise.
26923         (build_pred_graph): Likewise.
26924         (build_succ_graph): Likewise.
26925         (rewrite_constraints): Likewise.
26926         (do_simple_structure_copy): Remove.
26927         (do_rhs_deref_structure_copy): Remove.
26928         (do_lhs_deref_structure_copy): Remove.
26929         (collapse_rest_of_var): Remove.
26930         (do_structure_copy): Re-implement.
26931         (pta_stats): New global variable.
26932         (dump_pta_stats): New function.
26933         (struct constraint_expr): Make offset signed.
26934         (UNKNOWN_OFFSET): Define special value.
26935         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
26936         (solution_set_expand): New helper function split out from ...
26937         (do_sd_constraint): ... here.
26938         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
26939         (do_ds_constraint): Likewise.
26940         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
26941         and CALLUSED = *CALLUSED.
26942         (set_union_with_increment): Make inc argument signed.
26943         (type_safe): Remove.
26944         (get_constraint_for_ptr_offset): Handle unknown and negative
26945         constant offsets.
26946         (first_vi_for_offset): Handle offsets before start.  Bail
26947         out early for offsets beyond the variable extent.
26948         (first_or_preceding_vi_for_offset): New function.
26949         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
26950         Together with ESCAPED = *ESCAPED this properly computes reachability.
26951         (find_what_var_points_to): New function.
26952         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
26953         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
26954         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
26955         pt_solutions_intersect): New functions.
26956         (compute_call_used_vars): Remove.
26957         (compute_may_aliases): New main entry into PTA computation.
26958         * gimple.h (gimple_p): New typedef.
26959         (struct gimple_statement_base): Remove references_memory_p.
26960         (struct gimple_statement_with_memory_ops_base): Remove
26961         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
26962         members.
26963         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
26964         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
26965         gimple_set_references_memory): Remove.
26966         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
26967         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
26968         New functions.
26969         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
26970         (verify_expr): Allow RESULT_DECL.
26971         (gimple_duplicate_bb): Do not copy virtual operands.
26972         (gimple_duplicate_sese_region): Adjust.
26973         (gimple_duplicate_sese_tail): Likewise.
26974         (mark_virtual_ops_in_region): Remove.
26975         (move_sese_region_to_fn): Do not call it.
26976         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
26977         and pass_simple_dse.
26978         (execute_function_todo): Handle TODO_update_address_taken,
26979         call execute_update_addresses_taken for TODO_rebuild_alias.
26980         (execute_todo): Adjust.
26981         (execute_one_pass): Init dump files early.
26982         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
26983         call-clobbered.
26984         (create_general_new_stmt): Clear vops.
26985         * tree-ssa-reassoc.c (get_rank): Adjust.
26986         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
26987         symbols for renaming.
26988         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
26989         (PARAM_AVG_ALIASED_VOPS): Likewise.
26990         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
26991         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
26992         * tree-ssa-operands.c: Simplify for new virtual operand representation.
26993         (operand_build_cmp, copy_virtual_operands,
26994         create_ssa_artificial_load_stmt, add_to_addressable_set,
26995         gimple_add_to_addresses_taken): Remove public functions.
26996         (unlink_stmt_vdef): New function.
26997
26998 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
26999
27000         * config.gcc (powerpc-*-linux*): Merge variants.
27001
27002 2009-04-02  Chao-ying Fu  <fu@mips.com>
27003             James Grosbach  <james.grosbach@microchip.com>
27004
27005         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
27006         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
27007         cop0_sp_offset.
27008         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
27009         keep_interrupts_masked_p, use_debug_exception_return_p.
27010         (mips_attribute_table): Add interrupt, use_shadow_register_set,
27011         keep_interrupts_masked, use_debug_exception_return.
27012         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
27013         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
27014         New functions.
27015         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
27016         (mips_print_operand): Process COP0 registers to print $0 .. $31
27017         correctly for GAS to process.
27018         (mips_interrupt_extra_call_saved_reg_p): New function.
27019         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
27020         extra registers.
27021         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
27022         (mips_compute_frame_info): Add supports for interrupt context that
27023         includes doubleword accumulators and COP0 registers.
27024         (mips_for_each_saved_acc): New function.
27025         (mips_for_each_saved_gpr_and_fpr): Change the function name from
27026         mips_for_each_saved_reg.
27027         (mips_save_reg): Save accumulators.
27028         (mips_kernel_reg_p): A new for_each_rtx callback.
27029         (mips_expand_prologue): Support interrupt handlers.
27030         (mips_restore_reg): Restore accumulators.
27031         (mips_expand_epilogue): Support interrupt handlers.
27032         (mips_can_use_return_insn): Return false for interrupt handlers.
27033         (mips_epilogue_uses): New function.
27034         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
27035         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
27036         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
27037         cop0_move): New instructions.
27038         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
27039         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
27040         defines.
27041         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
27042         New defines.
27043         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
27044         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
27045         interrupt handlers, we use K0 as the temporary register.
27046         (EPILOGUE_USES): Change to a function call.
27047         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
27048         handlers, we use K0 as the temporary register.
27049
27050         * doc/extend.texi (Function Attributes): Document interrupt,
27051         use_shadow_register_set, keep_interrupts_masked,
27052         use_debug_exception_return for MIPS attributes.
27053
27054 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
27055
27056         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
27057         Remove a number of t-files from tmake_file.
27058         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
27059         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
27060         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
27061         target_prototype, not TARGET_PROTOTYPE.
27062         (LINK_OS_GNU_SPEC): Define.
27063         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
27064         and darwin-ldoubdle.c.
27065
27066 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
27067
27068         PR driver/39293
27069         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
27070         (cpp_options): Ditto.
27071         (default_compilers): Ditto.
27072         (display_help): Ditto.
27073         (process_command): Ditto.
27074         (do_spec_1): Ditto.
27075         (set_input): Use lbasename instead of duplicate code.
27076         (save_temps_prefix): New static for -save-temps=obj.
27077         (save_temps_length): Ditto.
27078
27079         * doc/invoke.texi (-save-temps=obj): Document new variant to
27080         -save-temps switch.
27081
27082 2009-04-02  Jeff Law  <law@redhat.com>
27083
27084         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
27085         variable.
27086
27087 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
27088
27089         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
27090         * configure: Regenerated.
27091
27092 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
27093
27094         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
27095         share the argument list.
27096
27097 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
27098
27099         Merge
27100
27101         2009-02-12  Diego Novillo  <dnovillo@google.com>
27102
27103         * varpool.c (debug_varpool): New.
27104         * cgraph.h (debug_varpool): Declare.
27105
27106 2009-04-02  Jan Hubicka  <jh@suse.cz>
27107
27108         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
27109         pass.
27110
27111 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
27112
27113         * config/i386/i386.c (ix86_abi): Move initialization to ...
27114         (override_options): Here.
27115
27116 2009-04-02  Christian Bruel  <christian.bruel@st.com>
27117
27118         * config/sh/sh.c (sh_dwarf_register_span): New function.
27119         (TARGET_DWARF_REGISTER_SPAN): Define.
27120         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
27121
27122 2009-04-02  Ira Rosen  <irar@il.ibm.com>
27123
27124         PR tree-optimization/39595
27125         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
27126         interleaved loads group is not  greater than the SLP group size.
27127
27128 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
27129
27130         * builtins.c (is_builtin_name): New.
27131         (called_as_built_in): Use is_builtin_name.
27132         * tree.h (is_builtin_name): New.
27133         * varasm.c (incorporeal_function_p): Use is_builtin_name
27134
27135 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
27136
27137         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
27138
27139 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
27140
27141         PR c++/26693
27142         * c-decl.c (clone_underlying_type): Move this ...
27143         * c-common.c (set_underlying_type): ... here.
27144         Also, make sure the function properly sets TYPE_STUB_DECL() on
27145         the newly created typedef variant type.
27146         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
27147         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
27148         points.
27149
27150 2009-04-02  Richard Guenther  <rguenther@suse.de>
27151
27152         PR tree-optimization/37221
27153         * tree-flow.h (degenerate_phi_result): Declare.
27154         * tree-ssa-dom.c (degenerate_phi_result): Export.
27155         * tree-scalar-evolution.c (analyze_initial_condition): If
27156         the initial condition is defined by a degenerate PHI node
27157         use the degenerate value.
27158
27159 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
27160
27161         PR rtl-optimization/39588
27162         * combine.c (merge_outer_ops): Do not set the constant when this
27163         is not necessary.
27164         (simplify_shift_const_1): Do not modify it either in this case.
27165
27166 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
27167
27168         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
27169         tuning is deprecated if -mtune value is set to an Itanium1 variant.
27170
27171 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
27172
27173         PR c/29027
27174         * c-lex.c (interpret_float): Default (no suffix) is double.
27175
27176 2009-04-1  Xinliang David Li  <davidxl@google.com>
27177
27178         * config/i386/i386.c (legitimate_constant_p): Recognize
27179         all one vector constant.
27180
27181 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
27182
27183         * config/vax/vax.c: Add #includes to silence warnings.
27184         Change #include order to silence two warnings.
27185
27186 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
27187
27188         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
27189         (ASM_SPEC): Pass -k to the assembler for PIC code.
27190
27191 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
27192
27193         * config.gcc: Add vax-*-linux* to the switch.
27194         * config/vax/linux.h: New file. (TARGET_VERSION,
27195         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
27196
27197 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
27198
27199         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
27200         Use predicate macros instead of GET_CODE() == foo.
27201         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
27202         ashlsi3, rotrsi3, <unnamed>): Likewise.
27203
27204 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
27205
27206         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
27207         jbbccihi, jbbccisi): Remova trailing whitespace.
27208         * config/vax/constraints.md: Likewise.
27209         * config/vax/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
27210         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
27211         * config/vax/predicates.md: Likewise.
27212         * config/vax/vax.c (print_operand_address, vax_output_int_move,
27213         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
27214         * config/vax/vax.h: Likewise.
27215         * config/vax/vax.md (nonlocal_goto): Likewise.
27216
27217 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
27218
27219         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
27220         (indirectable_address_p, adjacent_operands_p): Add spaces around
27221         braces.
27222         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
27223
27224 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
27225
27226         * config/vax/vax.c (legitimate_constant_address_p,
27227         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
27228         index_term_p, reg_plus_index_p, legitimate_address_p,
27229         vax_mode_dependent_address_p): Update comments to match functions
27230         modified by the recent int->bool conversion.
27231
27232 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
27233
27234         * config/vax/builtins.md: Update copyright message.
27235         * config/vax/constraints.md: Likewise.
27236         * config/vax/netbsd-elf.h: Likewise.
27237         * config/vax/predicates.md: Likewise.
27238         * config/vax/vax-protos.h: Likewise.
27239         * config/vax/vax.c: Likewise.
27240         * config/vax/vax.h: Likewise.
27241         * config/vax/vax.md: Likewise.
27242         * config/vax/vax.opt: Likewise.
27243
27244 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
27245
27246         * config/vax/builtins.md (ffssi2, ffssi2_internal,
27247         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
27248         * config/vax/constraints.md (B, R): Likewise.
27249         * config/vax/predicates.md (external_memory_operand,
27250         nonimmediate_addsub_di_operand): Likewise.
27251         * config/vax/vax.c (vax_output_int_add): Likewise.
27252         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
27253         untyped_call): Likewise.
27254
27255 2009-04-01  Matt Thomas  <matt@3am-software.com>
27256
27257         * config/vax/predicates.md: New file.
27258         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
27259         external_const_operand, nonsymbolic_operand, external_memory_operand,
27260         indirect_memory_operand, indexed_memory_operand,
27261         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
27262         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
27263         predicate.
27264         * config/vax/constraints.md: New file.
27265         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
27266         New constraint.
27267         * config/vax/builtins.md: New file.
27268         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
27269         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
27270         jbbccisi): Define.
27271         * config/vax/vax.opt (mqmath): Add option.
27272         * config/vax/vax.md (isfx): Extend with DI.
27273         (VAXintQH, VAXintQHSD): Define.
27274         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
27275         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
27276         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
27277         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
27278         (movdi): Update constraints and use vax_output_int_move().
27279         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
27280         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
27281         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
27282         nonlocal_goto): New.
27283         (mov<mode>): Extend accepted operand types.
27284         (subdi3_old): Rename from subdi3, change update constraints and use
27285         a new implementation.
27286         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
27287         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
27288         MOVE_RATIO, CLEAR_RATIO): Define.
27289         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
27290         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
27291         (PRINT_OPERAND): Redefine using a function instead of inlined code.
27292         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
27293         (split_quadword_operands): Make static and really allow variable
27294         splitting.
27295         (print_operand_address): Update for PIC generation.
27296         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
27297         indexable_address_p, fixup_mathdi_operand,
27298         vax_expand_addsub_di_operands, adjacent_operands_p): New.
27299         (vax_float_literal, legitimate_constant_p,
27300         indirectable_constant_address_p, index_term_p,
27301         reg_plus_index_p): Return bool instead of int.
27302         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
27303         where needed.
27304         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
27305         generation.
27306         (vax_output_conditional_branch): Indent.
27307         (legitimate_constant_address_p, indirectable_constant_address_p,
27308         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
27309         vax_mode_dependent_address_p): Return bool instead of int, update for
27310         PIC generation.
27311         * config/vax/vax-protos.h (legitimate_constant_address_p,
27312         legitimate_constant_p, legitimate_address_p,
27313         vax_mode_dependent_address_p): Change declaration to bool.
27314         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
27315         vax_expand_addsub_di_operands, vax_output_int_subtract,
27316         vax_output_movmemsi): Declare.
27317         (split_quadword_operands, vax_float_literal): Delete declaration.
27318         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
27319         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
27320         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
27321         ASM_OUTPUT_DWARF_PCREL): Define.
27322         (ASM_SPEC): Change definition to allow PIC generation.
27323
27324 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
27325
27326         * doc/sourcebuild.texi: Update front-end requirements.
27327
27328 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
27329
27330         PR target/39226
27331         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
27332         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
27333         (booldi3_internal3): Use boolean_or_operator instead of
27334         boolean_operator.
27335
27336 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
27337
27338         PR c/39605
27339         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
27340         declarator whose size is not an integer constant expression but
27341         folds to an integer constant, then treat it as a constant
27342         subsequently.
27343
27344 2009-04-01  Richard Guenther  <rguenther@suse.de>
27345
27346         * fold-const.c (fold_plusminus_mult_expr): Do not fold
27347         i * 4 + 2 to (i * 2 + 1) * 2.
27348
27349 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
27350
27351         PR c/37772
27352         * c-parser.c (c_parser_asm_statement): Skip until close paren and
27353         return if c_parser_asm_string_literal returned NULL.
27354
27355 2009-04-01  Nick Clifton  <nickc@redhat.com>
27356
27357         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
27358         already defined.
27359         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
27360         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
27361         other typedefs to avoid conflicts with libgcc2.c.  Define labels
27362         to gain 16-bit bit-manipulation functions from libgcc2.c and then
27363         include it.
27364         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
27365         to gain 16-bit trapping arithmetic functions from libgcc2.c and
27366         then include it.
27367
27368 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
27369
27370         * varasm.c (default_function_rodata_section): Declare DOT as
27371         const char*.
27372
27373 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
27374             Andrey Galkin  <agalkin@hypercom.com>
27375
27376         PR/39492
27377         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
27378         Make object_name unique for each process.
27379
27380 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
27381
27382         PR other/39591
27383         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
27384         addressable variables in the parallel that could go out of scope while
27385         running queued tasks.
27386
27387 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
27388
27389         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
27390         (CASE_VALUES_THRESHOLD): Redefine.
27391         * config/avr/avr.c (avr_override_options): Remove initialization of
27392         avr_case_values_threshold variable.
27393         (avr_case_values_threshold): Remove variable. Add new function.
27394         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
27395         * config/avr/avr.opt (mno-tablejump): Remove option.
27396         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
27397
27398 2009-04-01  DJ Delorie  <dj@redhat.com>
27399
27400         * varasm.c (default_function_rodata_section): Don't assume
27401         anything about where the first '.' in the section name is.
27402
27403 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
27404
27405         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
27406         rs6000_emit_stack_tie.
27407
27408 2009-03-31  Ian Lance Taylor  <iant@google.com>
27409
27410         * tree-eh.c (tree_remove_unreachable_handlers): Compare
27411         gimple_code with GIMPLE_RESX, not RESX.
27412
27413 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
27414
27415         * c-common.c (c_get_ident): New.
27416         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
27417
27418 2009-04-01  Ben Elliston  <bje@au.ibm.com>
27419
27420         * config/rs6000/sysv4.opt (msdata): Improve option description.
27421
27422 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
27423
27424         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
27425         (divdf3_internal_lat): Remove.
27426         (divxf3_internal_lat): Remove.
27427         (divxf3_internal_thr): Remove.
27428         (divxf): Use divxf3_internal.
27429         * config/ia64/div.md (divsf3_internal_lat): New.
27430         (divdf3_internal_lat): New.
27431         (divxf3_internal): New.
27432
27433 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
27434
27435         PR c/448
27436         * Makefile.in (USE_GCC_STDINT): Define.
27437         (stmp-int-hdrs): Install stdint.h if applicable.
27438         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
27439         if known.
27440         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
27441         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
27442         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
27443         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
27444         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
27445         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
27446         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
27447         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
27448         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
27449         (c_common_nodes_and_builtins): Initialize
27450         underlying_wchar_type_node.  Do not initialize
27451         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
27452         nodes for new types.
27453         (c_stddef_cpp_builtins): Define macros for new types.
27454         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
27455         Remove.
27456         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
27457         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
27458         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
27459         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
27460         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
27461         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
27462         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
27463         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
27464         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
27465         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
27466         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
27467         int16_type_node, int32_type_node, int64_type_node,
27468         uint8_type_node, uint16_type_node, c_uint32_type_node,
27469         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
27470         int_least32_type_node, int_least64_type_node,
27471         uint_least8_type_node, uint_least16_type_node,
27472         uint_least32_type_node, uint_least64_type_node,
27473         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
27474         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
27475         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
27476         uintptr_type_node): Define.
27477         * c-cppbuiltin.c (builtin_define_constants,
27478         builtin_define_type_minmax): New.
27479         (builtin_define_stdint_macros): Define more macros.
27480         (c_cpp_builtins): Define more limit macros.
27481         (type_suffix): New.
27482         (builtin_define_type_max): Define in terms of
27483         builtin_define_type_minmax.  Remove is_long parameter.  All
27484         callers changed.
27485         * config.gcc (use_gcc_stdint): Define.
27486         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
27487         Add newlib-stdint.h for generic targets.
27488         * config/glibc-stdint.h, config/newlib-stdint.h,
27489         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
27490         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
27491         * config/score/score.h (UINTPTR_TYPE): Define.
27492         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
27493         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
27494         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
27495         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
27496         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
27497         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
27498         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
27499         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
27500         * config/spu/spu.h (STDINT_LONG32): Define.
27501         * configure.ac (use_gcc_stdint): Substitute.
27502         * configure: Regenerate.
27503         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
27504         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
27505         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
27506         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
27507         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
27508         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
27509         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
27510         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
27511         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
27512         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
27513         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
27514         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
27515         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
27516         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
27517         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
27518         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
27519         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
27520         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
27521         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
27522         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
27523         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
27524         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
27525         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
27526         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
27527         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
27528         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
27529         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
27530         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
27531         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
27532
27533 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
27534
27535         * loop-iv.c (suitable_set_for_replacement): Renamed from
27536         simplify_using_assignment; changed to return bool and to accept new
27537         args DEST and SRC.  Return true iff we find a source/destination pair
27538         that can be used to make a replacement, and fill SRC and DEST if so.
27539         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
27540         changed.
27541         (simplify_using_initial_values): Deal with altered regs here and track
27542         more precisely the effect they have on the validity of our expression.
27543
27544         * loop-iv.c (simplify_using_condition): A condition of the form
27545         (EQ REG CONST) can be used to simply make a substitution.
27546         (simplify_using_initial_values): Keep track of conditions we have seen
27547         and keep using them to simplify new expressions, while applying the
27548         same substitutions to them as to the expression.
27549
27550         * simplify-rtx.c (simplify_relational_operation_1): Simplify
27551         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
27552         GEU/LTU reversed.
27553
27554         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
27555         changed.  Use this when trying to improve the upper bound.
27556         Generate the comparison by using simplify_gen_relational.
27557
27558         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
27559
27560         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
27561         functions.
27562         (simplify_using_assignment, simplify_using_initial_values): Call
27563         replace_in_expr to make replacements.  Call replace_single_def_regs
27564         once on the initial version of the expression.
27565
27566 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
27567
27568         PR target/27237
27569         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
27570
27571 2009-03-31  Richard Guenther  <rguenther@suse.de>
27572
27573         PR middle-end/31029
27574         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
27575         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
27576
27577 2009-03-31  Richard Guenther  <rguenther@suse.de>
27578
27579         * tree.h (div_if_zero_remainder): Declare.
27580         * fold-const.c (div_if_zero_remainder): Export.
27581         * tree-ssa-forwprop.c
27582         (forward_propagate_addr_into_variable_array_index): Handle
27583         constant array index addition outside of the variable index.
27584
27585 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
27586
27587         PR target/39592
27588         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
27589         define_splits, floatunssi<mode>2): Require x87 conversions from
27590         DImode to be permitted.
27591
27592 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
27593
27594         PR preprocessor/15638
27595         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
27596
27597 2009-03-31  Richard Guenther  <rguenther@suse.de>
27598
27599         PR middle-end/23401
27600         PR middle-end/27810
27601         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
27602         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
27603         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
27604         a separate statement.
27605         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
27606         (lookup_tmp_var): Likewise.
27607         (is_gimple_formal_tmp_or_call_rhs): Remove.
27608         (is_gimple_reg_or_call_rhs): Rename to ...
27609         (is_gimple_reg_rhs_or_call): ... this.
27610         (is_gimple_mem_or_call_rhs): Rename to ...
27611         (is_gimple_mem_rhs_or_call): ... this.
27612         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
27613         DECL_GIMPLE_REG_P only if is_formal is true.
27614         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
27615         for non-proper post-modify expression gimplification.
27616         (gimplify_self_mod_expr): For post-modify expressions gimplify
27617         the lvalue to a minimal lvalue.
27618         (rhs_predicate_for): Remove formal temp case.
27619         (gimplify_modify_expr_rhs): Likewise.
27620         (gimplify_addr_expr): Use is_gimple_reg.
27621         (gimplify_expr): Remove formal temp cases.
27622         (gimple_regimplify_operands): Likewise.
27623         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
27624         and FILTER_EXPR like constants.
27625         * gimple.c (walk_gimple_op): Fix val_only initialization, use
27626         is_gimple_reg.
27627         (is_gimple_formal_tmp_rhs): Remove.
27628         (is_gimple_reg_rhs): Remove special casing.
27629         (is_gimple_mem_rhs): Fix.
27630         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
27631         (is_gimple_formal_tmp_var): Remove.
27632         (is_gimple_formal_tmp_reg): Likewise.
27633         (is_gimple_min_lval): Allow invariant component ref parts.
27634         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
27635         is_gimple_formal_tmp_reg): Remove declarations.
27636         * tree-cfg.c (verify_expr): Verify that variables with address
27637         taken do not have DECL_GIMPLE_REG_P set.
27638         * tree-mudflap.c (mf_build_check_statement_for): Use
27639         force_gimple_operand instead of gimplify_expr.
27640
27641 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
27642
27643         * modulo-sched.c (sms_schedule_by_order): Pass the actual
27644         schedulable rows to compute_split_row.
27645
27646 2009-03-31  Ben Elliston  <bje@au.ibm.com>
27647
27648         PR target/31635
27649         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
27650         OPT_mvrsave.
27651
27652 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
27653
27654         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
27655         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
27656         * configure: Regenerate.
27657         * config.in: Regenerate.
27658         * config/rs6000/rs6000.opt (mtls-markers): Add.
27659         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
27660         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
27661         (tls_ld_aix, tls_ld_sysv): Likewise.
27662         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
27663         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
27664
27665 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
27666
27667         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
27668
27669 2009-03-30  Jan Hubicka  <jh@suse.cz>
27670
27671         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
27672         out of RESX.
27673         (tree_remove_unreachable_handlers): Cleanup EH predecestor
27674         detection and label handling.
27675
27676 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
27677
27678         * ira-int.h (ira_allocno): Rename left_conflicts_num to
27679         left_conflicts_size.
27680         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
27681         ALLOCNO_LEFT_CONFLICTS_SIZE.
27682
27683         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
27684         remove_allocno_from_bucket_and_push,
27685         allocno_spill_priority_compare, push_allocnos_to_stack,
27686         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
27687         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
27688         (setup_allocno_left_conflicts_num): Ditto.  Rename to
27689         setup_allocno_left_conflicts_size.
27690         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
27691         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
27692         setup_allocno_left_conflicts_size instead of
27693         setup_allocno_left_conflicts_num.
27694
27695         * ira-build.c (ira_create_allocno): Use
27696         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
27697         ALLOCNO_LEFT_CONFLICTS_NUM.
27698
27699 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
27700
27701         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
27702         instead of DF_LR_OUT.
27703
27704         * ira-lives.c (process_bb_node_lives): Ditto.
27705
27706         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
27707         instead of DF_LR_{OUT,IN}.
27708
27709         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
27710
27711         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
27712
27713 2009-03-30  Jan Hubicka  <jh@suse.cz>
27714
27715         * except.c (label_to_region_map): Fix thinko.
27716
27717 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
27718
27719         PR middle-end/38237
27720         * tree.h (tree_find_value): New declaration.
27721         * tree.c (tree_find_value): New function.
27722         * varasm.c (assemble_external): Avoid duplicate entries on lists.
27723
27724 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
27725
27726         PR debug/39563
27727         * c-decl.c (struct c_binding): Add locus field.
27728         (bind): Add locus argument, set locus field from it.
27729         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
27730         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
27731         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
27732         implicitly_declare, undeclared_variable, lookup_label,
27733         declare_label, c_make_fname_decl, c_builtin_function,
27734         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
27735         bind callers.
27736
27737 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
27738
27739         PR target/38781
27740         * config/i386/i386.c (classify_argument): Check total size of
27741         structure.
27742
27743 2009-03-30  Martin Jambor  <mjambor@suse.cz>
27744
27745         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
27746         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
27747         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
27748         respectively.
27749
27750         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
27751         seen_variable_array_ref while also traversing a union.
27752
27753         * tree-inline.c (optimize_inline_calls): Do not call
27754         cgraph_node_remove_callees.
27755         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
27756         (pass_remove_cgraph_callee_edges): New variable.
27757         * passes.c (init_optimization_passes): Add
27758         pass_remove_cgraph_callee_edges after early inlining and before all
27759         late intraprocedural passes.
27760
27761         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
27762
27763 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
27764
27765         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
27766         Fix typos in names.
27767
27768 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
27769
27770         * combine.c (simplify_comparison): Use have_insn_for.
27771         * dojump.c (do_jump): Likewise.
27772
27773 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
27774
27775         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
27776         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
27777         sparc_compare_op0 like sparc_compare_emitted used to be handled.
27778         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
27779         instead of sparc_compare_emitted.
27780         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
27781         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
27782         instead of sparc_compare_emitted.
27783
27784 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
27785
27786         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
27787         enter/exit cfglayout mode.
27788         (pass_partition_block): Require it.
27789         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
27790         (combine_instructions): Track basic blocks instead of labels.
27791         (update_cfg_for_uncondjump): New.
27792         (try_combine): Use it.  Update jumps after rescanning.
27793         (pass_combine): Require PROP_cfglayout.
27794         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
27795
27796 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
27797
27798         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
27799         Provide/destroy PROP_cfglayout respectively.
27800         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
27801         * tree-pass.h (PROP_cfglayout): New.
27802
27803 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
27804
27805         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
27806         fold_convert_const_fixed_from_fixed,
27807         fold_convert_const_fixed_from_int,
27808         fold_convert_const_fixed_from_real, fold_negate_const): Do not
27809         set TREE_CONSTANT_OVERFLOW.
27810         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
27811         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
27812
27813 2009-03-30  Ira Rosen  <irar@il.ibm.com>
27814
27815         * tree-vect-loop-manip.c: New file.
27816         * tree-vectorizer.c: Update documentation and included files.
27817         (vect_loop_location): Make extern.
27818         (rename_use_op): Move to tree-vect-loop-manip.c
27819         (rename_variables_in_bb, rename_variables_in_loop,
27820         slpeel_update_phis_for_duplicate_loop,
27821         slpeel_update_phi_nodes_for_guard1,
27822         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
27823         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
27824         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
27825         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
27826         find_loop_location): Likewise.
27827         (new_stmt_vec_info): Move to tree-vect-stmts.c.
27828         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
27829         get_vectype_for_scalar_type, vect_is_simple_use,
27830         supportable_widening_operation, supportable_narrowing_operation):
27831         Likewise.
27832         (bb_in_loop_p): Move to tree-vect-loop.c.
27833         (new_loop_vec_info, destroy_loop_vec_info,
27834         reduction_code_for_scalar_code, report_vect_op,
27835         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
27836         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
27837         (vect_supportable_dr_alignment): Likewise.
27838         * tree-vectorizer.h (tree-data-ref.h): Include.
27839         (vect_loop_location): Declare.
27840         Reorganize function declarations according to the new file structure.
27841         * tree-vect-loop.c: New file.
27842         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
27843         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
27844         * tree-vect-data-refs.c: New file.
27845         * tree-vect-patterns.c (timevar.h): Don't include.
27846         * tree-vect-stmts.c: New file.
27847         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
27848         tree-vect-slp.c, tree-vect-loop.c.
27849         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
27850         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
27851         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
27852         (tree-vect-analyze.o): Remove.
27853         (tree-vect-transform.o): Likewise.
27854         (tree-vect-data-refs.o): Add rule.
27855         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
27856         tree-vect-slp.o): Likewise.
27857         (tree-vect-patterns.o): Remove redundant dependencies.
27858         (tree-vectorizer.o): Likewise.
27859         * tree-vect-slp.c: New file.
27860
27861 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
27862
27863         * optc-gen.awk: Warn if an option flag has multiple different
27864         help strings.
27865
27866 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
27867
27868         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
27869         -floop-block): Document dependences on PPL, CLooG and Graphite.
27870
27871 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
27872
27873         PR rtl-optimization/323
27874         * c-common.c (c_fully_fold, convert_and_check,
27875         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
27876         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
27877         * c-common.def (EXCESS_PRECISION_EXPR): New.
27878         * c-cppbuiltin.c (builtin_define_float_constants): Define
27879         constants with enough digits for long double.
27880         * c-lex.c (interpret_float): Interpret constant with excess
27881         precision where appropriate.
27882         * c-opts.c (c_common_post_options): Set
27883         flag_excess_precision_cmdline.  Give an error for
27884         -fexcess-precision=standard for C++ for processors where the
27885         option is significant.
27886         * c-parser.c (c_parser_conditional_expression): Handle excess
27887         precision in condition.
27888         * c-typeck.c (convert_arguments): Handle arguments with excess
27889         precision.
27890         (build_unary_op): Move excess precision outside operation.
27891         (build_conditional_expr): Likewise.
27892         (build_compound_expr): Likewise.
27893         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
27894         (build_modify_expr): Handle excess precision in RHS.
27895         (convert_for_assignment): Handle excess precision in converted
27896         value.
27897         (digest_init, output_init_element, process_init_element): Handle
27898         excess precision in initializer.
27899         (c_finish_return): Handle excess precision in return value.
27900         (build_binary_op): Handle excess precision in operands and add
27901         excess precision as needed for operation.
27902         * common.opt (-fexcess-precision=): New option.
27903         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
27904         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
27905         For standard excess precision, output explicit conversion to and
27906         truncation from XFmode.
27907         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
27908         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
27909         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
27910         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
27911         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
27912         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
27913         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
27914         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
27915         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
27916         define_splits, sqrt<mode>2): Disable where appropriate for
27917         standard excess precision.
27918         * convert.c (convert_to_real): Do not shorten arithmetic to type
27919         for which excess precision would be used.
27920         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
27921         * doc/invoke.texi (-fexcess-precision=): Document option.
27922         (-mfpmath=): Correct index entry.
27923         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
27924         flag_excess_precision): New.
27925         * langhooks.c (lhd_post_options): Set
27926         flag_excess_precision_cmdline.
27927         * opts.c (common_handle_option): Handle -fexcess-precision=.
27928         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
27929         init_excess_precision): New.
27930         (lang_dependent_init_target): Call init_excess_precision.
27931         * tree.c (excess_precision_type): New.
27932         * tree.h (excess_precision_type): Declare.
27933
27934 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
27935
27936         PR c/35235
27937         * c-typeck.c (build_component_ref): Do not copy qualifiers from
27938         non-lvalue to component.
27939
27940 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
27941
27942         PR preprocessor/34695
27943         * Makefile.in (c-opts.o): Depend on c-tree.h.
27944         * c-common.c: Move down include of diagnostic.h.
27945         (done_lexing, c_cpp_error): New.
27946         * c-common.h (done_lexing): Declare.
27947         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
27948         (parse_in).
27949         * c-opts.c: Include c-tree.h.
27950         (c_common_init_options): Set preprocessor error callback.
27951         (c_common_handle_option): Do not set preprocessor
27952         inhibit_warnings, warnings_are_errors, warn_system_headers,
27953         pedantic_errors or inhibit_warnings flags.
27954         (c_common_post_options): Do not check cpp_errors (parse_in).
27955         (c_common_finish): Do not output dependencies if there were
27956         errors.  Do not check return value of cpp_finish.
27957         * c-ppoutput.c (pp_file_change): Set input_location.
27958         * c-tree.h (c_cpp_error): Declare.
27959         * diagnostic.c (diagnostic_set_info_translated): Also initialize
27960         override_column.
27961         (diagnostic_build_prefix): Check override_column.
27962         * diagnostic.h (diagnostic_info): Add override_column field.
27963         (diagnostic_override_column): Define.
27964
27965 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
27966
27967         * c-common.c (c_expand_expr, c_staticp): Remove.
27968         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
27969         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
27970         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
27971         * c-gimplify.c (gimplify_compound_literal_expr,
27972         optimize_compound_literals_in_ctor): Remove.
27973         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
27974         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
27975         * c-semantics.c (emit_local_var): Remove.
27976
27977         * langhooks-def.h (lhd_expand_expr): Remove.
27978         * langhooks.c (lhd_expand_expr): Remove.
27979         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
27980
27981         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
27982         handling from c-semantics.c; don't call into langhook.
27983         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
27984         * gimplify.c (gimplify_compound_literal_expr,
27985         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
27986         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
27987         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
27988         as was done in c-gimplify.c.
27989         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
27990         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
27991         Move from c-common.h.
27992         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
27993
27994         * tree.c (staticp): Do not call langhook.
27995         * langhooks.c (lhd_staticp): Delete.
27996         * langhooks-def.h (lhd_staticp): Delete prototype.
27997         (LANG_HOOKS_STATICP): Delete.
27998         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
27999
28000         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
28001         instead of DECL_STMTs.
28002
28003 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
28004
28005         PR c/456
28006         PR c/5675
28007         PR c/19976
28008         PR c/29116
28009         PR c/31871
28010         PR c/35198
28011         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
28012         void_type_node.
28013         (fold_call_expr): Return a NOP_EXPR from folding rather than the
28014         contained expression.
28015         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
28016         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
28017         conditional expressions for C.
28018         (decl_constant_value_for_optimization): Move from
28019         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
28020         whether optimizing and that the expression is a VAR_DECL not of
28021         array type instead of doing such checks in the caller.  Do not
28022         check pedantic.  Call gcc_unreachable for C++.
28023         * c-common.def (C_MAYBE_CONST_EXPR): New.
28024         * c-common.h (c_fully_fold, c_save_expr,
28025         decl_constant_value_for_optimization): New prototypes.
28026         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
28027         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
28028         EXPR_INT_CONST_OPERANDS): Define.
28029         * c-convert.c (convert): Strip nops from expression.
28030         * c-decl.c (groktypename): Take extra parameters expr and
28031         expr_const_operands.  Update call to grokdeclarator.
28032         (start_decl): Update call to grokdeclarator.  Add statement for
28033         expressions used in type of decl.
28034         (grokparm): Update call to grokdeclarator.
28035         (push_parm_decl): Update call to grokdeclarator.
28036         (build_compound_literal): Add parameter non_const and build a
28037         C_MAYBE_COSNT_EXPR if applicable.
28038         (grokdeclarator): Take extra parameters expr and
28039         expr_const_operands.  Track expressions used in declaration
28040         specifiers and declarators.  Fold array sizes and track whether
28041         they are constant expressions and whether they are integer
28042         constant expressions.
28043         (parser_xref_tag): Set expr and expr_const_operands fields in
28044         return value.
28045         (grokfield): Update call to grokdeclarator.
28046         (start_function): Update call to grokdeclarator.
28047         (build_null_declspecs): Set expr and expr_const_operands fields in
28048         return value.
28049         (declspecs_add_type): Handle expressions in typeof specifiers.
28050         * c-parser.c (c_parser_declspecs): Set expr and
28051         expr_const_operands fields for declaration specifiers.
28052         (c_parser_enum_specifier): Likewise.
28053         (c_parser_struct_or_union_specifier): Likewise.
28054         (c_parser_typeof_specifier): Likewise.  Update call to
28055         groktypename.  Fold expression as needed.  Return expressions with
28056         type instead of adding statements.
28057         (c_parser_attributes): Update calls to c_parser_expr_list.
28058         (c_parser_statement_after_labels): Fold expression before passing
28059         to objc_build_throw_stmt.
28060         (c_parser_condition): Fold expression.
28061         (c_parser_asm_operands): Fold expression.
28062         (c_parser_conditional_expression): Use c_save_expr.  Update call
28063         to build_conditional_expr.
28064         (c_parser_alignof_expression): Update call to groktypename.
28065         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
28066         original_code.  Fold expression argument of va_arg.  Create
28067         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
28068         argument to va_arg.  Update calls to groktypename.  Fold array
28069         index for offsetof.  Verify that first argument to
28070         __builtin_choose_expr has integer type.
28071         (c_parser_postfix_expression_after_paren_type): Update calls to
28072         groktypename and build_compound_literal.  Handle expressions with
28073         side effects in type name.
28074         (c_parser_postfix_expression_after_primary): Update call to
28075         c_parser_expr_list.  Set original_code for calls to
28076         __builtin_constant_p.
28077         (c_parser_expr_list): Take extra parameter fold_p.  Fold
28078         expressions if requested.
28079         (c_parser_objc_type_name): Update call to groktypename.
28080         (c_parser_objc_synchronized_statement): Fold expression.
28081         (c_parser_objc_receiver): Fold expression.
28082         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
28083         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
28084         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
28085         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
28086         (struct c_typespec): Add elements expr and expr_const_operands.
28087         (struct c_declspecs): Add elements expr and expr_const_operands.
28088         (groktypename, build_conditional_expr, build_compound_literal):
28089         Update prototypes.
28090         (in_late_binary_op): Declare.
28091         * c-typeck.c (note_integer_operands): New function.
28092         (in_late_binary_op): New variable.
28093         (decl_constant_value_for_broken_optimization): Move to c-common.c
28094         and rename to decl_constant_value_for_optimization.
28095         (default_function_array_conversion): Do not strip nops.
28096         (default_conversion): Do not call
28097         decl_constant_value_for_broken_optimization.
28098         (build_array_ref): Do not fold result.
28099         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
28100         result when operand is a VLA.
28101         (c_expr_sizeof_type): Update call to groktypename.  Handle
28102         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
28103         result when operand names a VLA type.
28104         (build_function_call): Update call to build_compound_literal.
28105         Only fold result for calls to __builtin_* functions.  Strip
28106         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
28107         the function designator.
28108         (convert_arguments): Fold arguments.  Update call to
28109         convert_for_assignment.
28110         (build_unary_op): Handle increment and decrement of
28111         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
28112         decrement earlier.  Fold operand of increment and decrement.
28113         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
28114         built for integer operand.  Wrap returns that are INTEGER_CSTs
28115         without being integer constant expressions or that have integer
28116         constant operands without being INTEGER_CSTs.
28117         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
28118         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
28119         result is an integer constant expression or can be used in
28120         unevaluated parts of one and avoid folding and wrap as
28121         appropriate.  Fold operands before possibly doing -Wsign-compare
28122         warnings.
28123         (build_compound_expr): Wrap result for C99 if operands can be used
28124         in integer constant expressions.
28125         (build_c_cast): Update call to digest_init.  Do not ignore
28126         overflow from casting floating-point constants to integers.  Wrap
28127         results that could be confused with integer constant expressions,
28128         null pointer constants or floating-point constants.
28129         (c_cast_expr): Update call to groktypename.  Handle expressions
28130         included in type name.
28131         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
28132         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
28133         Update calls to convert_for_assignment.
28134         (convert_for_assignment): Take new parameter
28135         null_pointer_constant.  Do not strip nops or call
28136         decl_constant_value_for_broken_optimization.  Set
28137         in_late_binary_op for conversions to boolean.
28138         (store_init_value): Update call to digest_init.
28139         (digest_init): Take new parameter null_pointer_constant.  Do not
28140         call decl_constant_value_for_broken_optimization.  pedwarn for
28141         initializers not constant expressions.  Update calls to
28142         convert_for_assignment.
28143         (constructor_nonconst): New.
28144         (struct constructor_stack): Add nonconst element.
28145         (really_start_incremental_init, push_init_level, pop_init_level):
28146         Handle constructor_nonconst and nonconst element.
28147         (set_init_index): Call constant_expression_warning for array
28148         designators.
28149         (output_init_element): Fold value.  Set constructor_nonconst as
28150         applicable.  pedwarn for initializers not constant expressions.
28151         Update call to digest_init.  Call constant_expression_warning
28152         where constant initializers are required.
28153         (process_init_element): Use c_save_expr.
28154         (c_finish_goto_ptr): Fold expression.
28155         (c_finish_return): Fold return value.  Update call to
28156         convert_for_assignment.
28157         (c_start_case): Fold switch expression.
28158         (c_process_expr_stmt): Fold expression.
28159         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
28160         ensure statement expression is not evaluated in constant expression.
28161         (build_binary_op): Track whether results are integer constant
28162         expressions or may occur in such, disable folding and wrap results
28163         as applicable.  Fold operands for -Wsign-compare warnings unless
28164         in_late_binary_op.
28165         (c_objc_common_truthvalue_conversion): Handle results folded to
28166         integer constants that are not integer constant expressions.
28167         * doc/extend.texi: Document when typeof operands are evaluated,
28168         that condition of __builtin_choose_expr is an integer constant
28169         expression, and more about use of __builtin_constant_p in
28170         initializers.
28171
28172 2009-03-29  Richard Guenther  <rguenther@suse.de>
28173
28174         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
28175         propagate addresses of array references.
28176
28177 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
28178
28179         * regmove.c (perhaps_ends_bb_p): Remove.
28180         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
28181         from INSN and check that the main loop stays within that basic block.
28182         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
28183         (regmove_forward_pass): Split out from regmove_optimize.  Use
28184         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
28185         (regmove_backward_pass): Split out from regmove_optimize.  Use
28186         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
28187         (regmove_optimize): Simplify.
28188
28189 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
28190
28191         PR target/39545
28192         * config/i386/i386.c (classify_argument): Ignore flexible array
28193         member in struct and warn ABI change.
28194
28195 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
28196
28197         * config/i386/i386-protos.h (ix86_agi_dependent): New.
28198
28199         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
28200         (ix86_adjust_cost): Updated.
28201
28202 2009-03-29  Jan Hubicka  <jh@suse.cz>
28203
28204         PR middle-end/28850
28205         * tree-pass.h (pass_cleanup_eh): New function.
28206         (remove_unreachable_regions): Break code handling RTL
28207         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
28208         that can not be reached by runtime.
28209         (can_be_reached_by_runtime): New function.
28210         (label_to_region_map): New function.
28211         (num_eh_regions): New function.
28212         (rtl_remove_unreachable_regions): New function.
28213         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
28214         (remove_eh_region): New function.
28215         * except.h: Include sbitmap and vecprim.
28216         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
28217         num_eh_regions): Declare.
28218         * passes.c (init_optimization_passes): Schedule cleanup_eh.
28219         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
28220         * tree-eh.c (tree_remove_unreachable_handlers): New function.
28221         (tree_empty_eh_handler_p): New function.
28222         (cleanup_empty_eh): New function.
28223         (cleanup_eh): New function.
28224         (pass_cleanup_eh): New function.
28225
28226 2009-03-29  Jan Hubicka  <jh@suse.cz>
28227
28228         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
28229         for removed regions.
28230
28231 2009-03-29  Jan Hubicka  <jh@suse.cz>
28232
28233         * except.c (dump_eh_tree): Dump all datastructures.
28234
28235 2009-03-29  Jan Hubicka  <jh@suse.cz>
28236
28237         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
28238         (duplicate_eh_regions_1): Likewise.
28239         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
28240         vector; call EH verification.
28241         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
28242         Be ready for region being removed.
28243
28244 2009-03-29  Jan Hubicka  <jh@suse.cz>
28245
28246         * bitmap.c (bitmap_last_set_bit): New function.
28247         * bitmap.h (bitmap_last_set_bit): Declare.
28248
28249 2009-03-29  David Ayers  <ayers@fsfe.org>
28250
28251         PR objc/27377
28252         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
28253         by calling objc_compare_types and surpress warnings about
28254         incompatible C pointers that are compatible ObjC pointers.
28255
28256 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
28257
28258         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
28259         call initialize_inline_failed.
28260         (initialize_inline_failed): Move it from here ...
28261         * cgraph.c (initialize_inline_failed): ... to here.
28262         (cgraph_create_edge): Call initialize_inline_failed rather than
28263         setting inline_failed directly.
28264
28265 2009-03-29  Ben Elliston  <bje@au.ibm.com>
28266
28267         PR target/32542
28268         * sysv4.opt (msdata): Improve comment.
28269         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
28270         * sysv4.h (SVR4_ASM_SPEC): Likewise.
28271
28272 2009-03-29  Ben Elliston  <bje@au.ibm.com>
28273
28274         PR target/30451
28275         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
28276         load and store attributes.
28277
28278 2009-03-29  Ben Elliston  <bje@au.ibm.com>
28279
28280         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
28281         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
28282         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
28283         * doc/extend.texi (X86 Built-in Functions): Add index entries for
28284         __builtin_infq and __builtin_huge_valq.
28285
28286 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
28287
28288         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
28289         atmega8m1 devices.
28290         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
28291         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
28292
28293 2009-03-28  Xinliang David Li  <davidxl@google.com>
28294
28295         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
28296         (do_dbg_cnt): New function.
28297
28298 2009-03-28  Jan Hubicka  <jh@suse.cz>
28299
28300         Merge from pretty-ipa:
28301
28302         2009-03-27  Jan Hubicka  <jh@suse.cz>
28303
28304         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
28305         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
28306         * passes.c (function_called_by_processed_nodes_p): New.
28307         * ipa-pure-const.c (check_call): Fix handling of operands.
28308         (analyze_function): Dump debug output for skipped bodies.
28309         (local_pure_const): Use function_called_by_processed_nodes_p.
28310         * dwarf2out.c (reference_to_unused): Use output.
28311         * passes.c (do_per_function_toporder): Likewise.
28312
28313         2008-11-12  Jan Hubicka  <jh@suse.cz>
28314
28315         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
28316         * ipa-pure-const.c (funct_state_d): Add can throw field; make
28317         state_set_in_source enum
28318         (check_decl): Ignore memory tags; do not set fake looping flags;
28319         dump diagnostics.
28320         (check_operand, check_tree, check_rhs_var, check_lhs_var,
28321         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
28322         (check_call, analyze_function): Rewrite.
28323         (check_stmt): New.
28324         (add_new_function): Update call of analyze_function.
28325         (generate_summary): Add call of analyze_function.
28326         (propagate): Propagate can_throw; handle state_set_in_source correctly.
28327         (local_pure_const): New function.
28328         (pass_local_pure_const): New pass.
28329         * ipa-inline.c (inline_transform): Set after_inlining.
28330         * tree-eh.c (stmt_can_throw_external): New.
28331         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
28332         work with aliasing built.
28333         * tree-flow.h (stmt_can_throw_external): New.
28334         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
28335         and local pure/const pass in early and late optimization queue.
28336
28337 2009-03-28  Martin Jambor  <mjambor@suse.cz>
28338
28339         * fold-const.c (get_pointer_modulus_and_residue): New parameter
28340         allow_func_align.
28341         (fold_binary): Allow function decl aligment consideration is the
28342         second argument is integer constant one.
28343         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
28344         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
28345         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
28346
28347 2009-03-28  Jan Hubicka  <jh@suse.cz>
28348
28349         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
28350         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
28351         * function.h (rtl_data): Add nothrow flag.
28352         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
28353         set DECL_NOTHROW for AVAILABLE functions.
28354
28355 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
28356
28357         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
28358         following vector keyword has expansion starting with pixel or bool
28359         keyword, expand vector to __vector and pixel or bool to __pixel or
28360         __bool.
28361
28362         PR c++/39554
28363         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
28364         warn_if_disallowed_function_p): Removed.
28365         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
28366         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
28367         warning_if_disallowed_function_p.
28368         * flags.h (warn_if_disallowed_function_p,
28369         warn_disallowed_functions): Removed.
28370         * common.opt (Wdisallowed-function-list=): Removed.
28371         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
28372
28373 2009-03-28  Richard Guenther  <rguenther@suse.de>
28374
28375         PR tree-optimization/38723
28376         * tree-ssa-pre.c (compute_avail): Add all default definitions to
28377         the entry block.
28378
28379 2009-03-28  Jan Hubicka  <jh@suse.cz>
28380
28381         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
28382         test introduced by my previous patch.
28383
28384 2009-03-28  Richard Guenther  <rguenther@suse.de>
28385
28386         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
28387         the PHIs value undefined.
28388
28389 2009-03-28  Jan Hubicka  <jh@suse.cz>
28390
28391         * tree-pass.h (pass_fixup_cfg): New pass.
28392         * ipa-inline.c (inline_transform): Set
28393         always_inline_functions_inlined/after_inlining.
28394         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
28395         (pass_fixup_cfg): New pass.
28396         * passes.c (init_optimization_passes): Add fixup_cfg.
28397
28398 2009-03-28  Richard Guenther  <rguenther@suse.de>
28399
28400         PR tree-optimization/38458
28401         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
28402         argument use the arguments copy-of value.
28403
28404 2009-03-28  Richard Guenther  <rguenther@suse.de>
28405
28406         PR tree-optimization/38180
28407         * tree-ssa-ccp.c (get_default_value): Simplify.
28408         (likely_value): Likewise.
28409         (surely_varying_stmt_p): Properly handle VOP case.
28410         (ccp_initialize): Likewise.
28411         (ccp_fold): Handle propagating through *&.
28412         (fold_const_aggregate_ref): Also handle decls.
28413
28414 2009-03-28  Jan Hubicka  <jh@suse.cz>
28415
28416         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
28417         * cgraph.h (cgraph_node): Likewise.
28418         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
28419         (cgraph_reset_node): Use process flag.
28420         (cgraph_mark_functions_to_output): Likewise.
28421         (cgraph_expand_function): Likewise.
28422         (cgraph_expand_all_functions): Likewise.
28423         (cgraph_output_in_order): Likewise.
28424         * dwarf2out.c (reference_to_unused): Likewise.
28425         * passes.c do_per_function_toporder): Likewise.
28426
28427 2009-03-28  Jan Hubicka  <jh@suse.cz>
28428
28429         Bring from lto-branch:
28430
28431         2008-09-03  Doug Kwan  <dougkwan@google.com>
28432
28433         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
28434         enums instead of reason strings.
28435         * cgraph.c (cgraph_create_edge): Same.
28436         (cgraph_inline_failed_string): New function.
28437         * cgraph.h (cgraph_inline_failed_t): New enum type.
28438         (cgraph_inline_failed_string): New prototype.
28439         (struct cgraph_edge): Change type of INLINED_FAILED from constant
28440         char pointer to cgraph_inline_failed_t.
28441         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
28442         (cgraph_default_inline_p): Ditto.
28443         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
28444         to cgraph_inline_failed_t pointer.
28445         * cif-code.def: New file.
28446         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
28447         reason string.
28448         (cgraph_check_inline_limits): Change type of REASON to pointer to
28449         cgraph_inline_failed_t.  Replace reason strings with enums.
28450         (cgraph_default_inline_p): Ditto.
28451         (cgraph_recursive_inlining_p): Ditto.
28452         (update_caller_keys): Change type of FAILED_REASON to
28453         cgraph_inline_failed_t.
28454         (cgraph_set_inline_failed): Change type of REASON to pointer to
28455         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
28456         convert enums to strings for text output.
28457         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
28458         to be of type cgraph_inline_failed_t.  Replace reason strings with
28459         enums.  Call cgraph_inline_failed_string to covert enums
28460         to strings for text output.
28461         (cgraph_decide_inlining): Replace reason strings with enums.
28462         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
28463         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
28464         for text output.
28465         * tree-inline.c (expand_call_inline): Change type of REASON
28466         to cgraph_inline_failed_t.  Replace reason strings with enums.
28467         Call cgraph_inline_failed_string for text output.
28468         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
28469         (cgraph.o): Ditto.
28470
28471 2009-03-28  Jan Hubicka  <jh@suse.cz>
28472
28473         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
28474         cgraph_clone_node): Remove master clone handling.
28475         (cgraph_is_master_clone, cgraph_master_clone): Remove.
28476         * cgraph.h (master_clone): Remove.
28477         (cgraph_is_master_clone, cgraph_master_clone): Remove.
28478         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
28479         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
28480
28481 2009-03-28  Jan Hubicka  <jh@suse.cz>
28482
28483         * cgraph.c (cgraph_function_body_availability): Functions declared
28484         inline are always safe to assume that it is not going to be replaced.
28485
28486 2009-03-28  Richard Guenther  <rguenther@suse.de>
28487
28488         PR tree-optimization/38513
28489         * tree-ssa-pre.c (eliminate): Remove redundant stores.
28490         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
28491         EXC_PTR_EXPR and FILTER_EXPR.
28492         (get_ref_from_reference_ops): Likewise.
28493
28494 2009-03-28  Richard Guenther  <rguenther@suse.de>
28495
28496         PR tree-optimization/38968
28497         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
28498         Use FLOOR_MOD_EXPR to compute misalignment.
28499
28500 2009-03-28  Richard Guenther  <rguenther@suse.de>
28501
28502         PR tree-optimization/37795
28503         * tree.h (combine_comparisons): Declare.
28504         * fold-const.c (combine_comparisons): Export.
28505         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
28506         comparisons.
28507         (ifcombine_iforif): Use combine_comparisons.
28508
28509 2009-03-28  Jan Hubicka  <jh@suse.cz>
28510
28511         * tree-eh.c (inlinable_call_p): New function.
28512         (make_eh_edges): Use it.
28513         (verify_eh_edges): Use it.
28514         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
28515         * except.c (reachable_next_level): Add inlinable_function argument
28516         (sjlj_find_directly_reachable_regions): Update.
28517         (add_reachable_handler): Do not set saw_any_handlers.
28518         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
28519         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
28520         Add new inlinable call parameter.
28521         (can_throw_internal, can_throw_external): Update.
28522         * except.h (can_throw_internal_1, can_throw_external_1,
28523         foreach_reachable_handler): Update declaration.
28524
28525 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
28526
28527         * config/arm/t-arm-coff, config/h8300/coff.h,
28528         config/i386/i386-aout.h, config/i386/i386-coff.h,
28529         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
28530         config/pdp11/2bsd.h, config/rs6000/aix41.h,
28531         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
28532         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
28533         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
28534         sys-types.h: Remove.
28535         * Makefile.in: Remove protoize and fixproto support and references
28536         in comments.
28537         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
28538         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
28539         Remove.
28540         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
28541         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
28542         unprotoize$(exeext).
28543         (rest.encap): Don't depend on $(STMP_FIXPROTO)
28544         (.PHONY): Don't depend on proto.
28545         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
28546         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
28547         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
28548         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
28549         build/gen-protos.o, build/scan.o, xsys-protos.h,
28550         build/fix-header$(build_exeext), build/fix-header.o,
28551         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
28552         stmp-install-fixproto): Remove.
28553         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
28554         SYSCALLS.c or fixproto files.
28555         (install-common): Don't install protoize.
28556         (install-headers-tar, install-headers-cpio, install-headers-cp):
28557         Don't depend on $(STMP_FIXPROTO).
28558         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
28559         install fixproto files or write out fixproto settings.
28560         (uninstall): Don't uninstall protoize.
28561         * config.gcc (use_fixproto): Remove.
28562         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
28563         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
28564         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
28565         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
28566         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
28567         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
28568         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
28569         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
28570         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
28571         * config/t-vxworks (STMP_FIXPROTO): Remove.
28572         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
28573         STMP_FIXPROTO): Remove.
28574         * config.in, configure: Regenerate.
28575         * crtstuff.c (gid_t, uid_t): Don't undefine.
28576         * doc/install.texi: Change m68k-coff to m68k-elf in example.
28577         (arm-*-coff, arm-*-aout: Remove target entries.
28578         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
28579         Remove mention of AIX 4.1.
28580         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
28581         * doc/invoke.texi (Running Protoize): Remove.
28582         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
28583         (Protoize Caveats): Remove.
28584         * tsystem.h: Update comments on headers assumed to exist.
28585
28586 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
28587
28588         * genautomata.c: Add a new year to the copyright.  Add a new
28589         reference.
28590         (struct insn_reserv_decl): Add comments for member bypass_list.
28591         (find_bypass): Remove.
28592         (insert_bypass): New.
28593         (process_decls): Use insert_bypass.
28594         (output_internal_insn_latency_func): Output all bypasses with the
28595         same input insn in one switch case.
28596
28597         * rtl.def (define_bypass): Describe bypass choice.
28598         * doc/md.texi (define_bypass): Ditto.
28599
28600 2009-03-27  Richard Guenther  <rguenther@suse.de>
28601
28602         * gimplify.c (mark_addressable): Export.
28603         * tree-flow.h (mark_addressable): Declare.
28604         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
28605         * tree-ssa.c (verify_phi_args): Verify that address taken
28606         variables have TREE_ADDRESSABLE set.
28607
28608 2009-03-27  Richard Guenther  <rguenther@suse.de>
28609
28610         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
28611         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
28612         Do not mark decls TREE_ADDRESSABLE.
28613         (build_fold_addr_expr): Adjust.
28614         (fold_addr_expr): Remove.
28615         (fold_unary): Use build_fold_addr_expr.
28616         (fold_comparison): Likewise.
28617         (split_address_to_core_and_offset): Likewise.
28618         * coverage.c (tree_coverage_counter_addr): Mark the array decl
28619         TREE_ADDRESSABLE.
28620         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
28621         (gimplify_modify_expr_to_memcpy): Mark source and destination
28622         addressable.
28623         * omp-low.c (create_omp_child_function): Mark the object decl
28624         TREE_ADDRESSABLE.
28625         (lower_rec_input_clauses): Mark the var we take the address of
28626         TREE_ADDRESSABLE.
28627         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
28628
28629 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
28630
28631         PR middle-end/39315
28632         * cfgexpand.c (expand_one_stack_var_at): Change alignment
28633         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
28634
28635 2009-03-27  Richard Guenther  <rguenther@suse.de>
28636
28637         PR tree-optimization/39120
28638         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
28639         constraints.
28640         (handle_lhs_call): Process return constraints.  Add escape
28641         constraints if necessary.
28642         (handle_const_call): Fill out return constraints.  Make nested
28643         case more precise.  Avoid consttmp if possible.
28644         (handle_pure_call): Fill out return constraints.  Avoid
28645         callused if possible.
28646         (find_func_aliases): Simplify call handling.
28647
28648 2009-03-27  Richard Guenther  <rguenther@suse.de>
28649
28650         PR tree-optimization/39120
28651         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
28652         as a representative.
28653         (solve_graph): Do propagate CALLUSED.
28654         (handle_pure_call): Use a scalar constraint from CALLUSED for
28655         the return value.
28656         (find_what_p_points_to): CALLUSED shall not appear in poins-to
28657         solutions.
28658
28659 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
28660
28661         PR c/39323
28662         * c-common.c (handle_aligned_attribute): Properly check alignment
28663         overflow.  Use (1U << i) instead of (1 << i).
28664
28665         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
28666
28667         * expr.h (get_mem_align_offset): Updated.
28668
28669         * tree.h (tree_decl_common): Change align to "unsigned int" and
28670         move it before pointer_alias_set.
28671
28672 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
28673             Jakub Jelinek  <jakub@redhat.com>
28674
28675         PR target/38034
28676         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
28677         gr_register_operand with gr_reg_or_0_operand.
28678         (cmpxchg_rel_di): Likewise.
28679         (sync_lock_test_and_set<mode>): Likewise.
28680
28681 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
28682
28683         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
28684         (true_regnum): Likewise.
28685
28686         * rtlanal.c (subreg_info): Moved to ...
28687         * rtl.h (subreg_info): Here.  New.
28688         (subreg_get_info): New.
28689
28690         * rtlanal.c (subreg_get_info): Make it extern.
28691
28692 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
28693
28694         PR target/39472
28695         * config/i386/i386.c (ix86_abi): New.
28696         (override_options): Handle -mabi=.
28697         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
28698         (ix86_call_abi_override): Likewise.
28699         (init_cumulative_args): Likewise.
28700         (function_arg_advance): Likewise.
28701         (function_arg_64): Likewise.
28702         (function_arg): Likewise.
28703         (ix86_pass_by_reference): Likewise.
28704         (ix86_function_value_regno_p): Likewise.
28705         (ix86_build_builtin_va_list_abi): Likewise.
28706         (setup_incoming_varargs_64): Likewise.
28707         (is_va_list_char_pointer): Likewise.
28708         (ix86_init_machine_status): Likewise.
28709         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
28710         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
28711         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
28712         (ix86_function_abi): Make it static and return enum calling_abi.
28713         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
28714         with ix86_abi.
28715         (ix86_fn_abi_va_list): Updated.
28716
28717         * config/i386/i386.h (ix86_abi): New.
28718         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
28719         (CONDITIONAL_REGISTER_USAGE): Likewise.
28720         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
28721         (machine_function): Likewise.
28722
28723         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
28724         with ix86_abi.
28725         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
28726         (STACK_BOUNDARY): Likewise.
28727         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
28728
28729         * config/i386/i386.opt (mabi=): New.
28730
28731         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
28732         return enum calling_abi.
28733         (ix86_function_type_abi): Likewise.
28734         (ix86_function_abi): Removed.
28735
28736         * doc/invoke.texi: Document -mabi= option for x86.
28737
28738 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
28739
28740         * builtins.c (real_dconstp): Delete.
28741         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
28742
28743 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
28744             Jakub Jelinek  <jakub@redhat.com>
28745
28746         PR debug/37959
28747         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
28748         (gen_subprogram_die): When a function is explicit, generate the
28749         DW_AT_explicit attribute.
28750         * langhooks.h (struct lang_hooks_for_decls): Add
28751         function_decl_explicit_p langhook.
28752         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
28753         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
28754
28755 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
28756
28757         * builtins.c (fold_builtin_memory_op): Optimize memmove
28758         into memcpy if we can prove source and destination don't overlap.
28759
28760         * tree-inline.c: Include gt-tree-inline.h.
28761         (clone_fn_id_num): New variable.
28762         (clone_function_name): New function.
28763         (tree_function_versioning): Use it.
28764         * Makefile.in (GTFILES): Add tree-inline.c.
28765
28766 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
28767
28768         * BASE-VER: Change to 4.5.0.
28769
28770 2009-03-27  Xinliang David Li  <davidxl@google.com>
28771
28772         PR tree-optimization/39557
28773         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
28774
28775 2009-03-27  Xinliang David Li  <davidxl@google.com>
28776
28777         PR tree-optimization/39548
28778         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
28779         candidate check.
28780
28781 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
28782
28783         * c-common.c (pointer_int_sum): Use %wd on return from
28784         tree_low_cst.
28785
28786 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
28787
28788         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
28789         on return from tree_low_cst.
28790
28791 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
28792
28793         PR c++/36799
28794         * ginclude/stdarg.h (va_copy): Define also for
28795         __GXX_EXPERIMENTAL_CXX0X__.
28796
28797 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28798
28799         PR c++/35652
28800         * builtins.h (c_strlen): Do not warn here.
28801         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
28802         * c-common.c (pointer_int_sum): Take an explicit location.
28803         Warn about offsets out of bounds.
28804         * c-common.h (pointer_int_sum): Adjust declaration.
28805
28806 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
28807
28808         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
28809         markup glitch.
28810
28811 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
28812
28813         PR c++/39554
28814         * opts.c (warn_if_disallowed_function_p): Don't assume
28815         get_callee_fndecl must return non-NULL.
28816
28817 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
28818
28819         PR rtl-optimization/39522
28820         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
28821         when reg_reloaded_valid is set.
28822
28823 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
28824
28825         * config/spu/divv2df3.c: New file.
28826         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
28827         (DPBIT_FUNCS): Filter out _div_df.
28828
28829 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
28830
28831         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
28832         a jump insn, count that jump in the distance to the loop start.
28833
28834 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
28835
28836         PR target/39523
28837         * config/sh/sh.c (calc_live_regs): Fix condition for global
28838         registers except PIC_OFFSET_TABLE_REGNUM.
28839
28840 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
28841
28842         PR/39518
28843         * doc/invoke.texi (-mconsole): New.
28844         (-mcygwin): New.
28845         (-mno-cygwin): New.
28846         (-mdll): New.
28847         (-mnop-fun-dllimport): New.
28848         (-mthread): New.
28849         (-mwin32): New.
28850         (-mwindows): New.
28851         (sub section "i386 and x86-64 Windows Options"): New.
28852
28853 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
28854
28855         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
28856         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
28857
28858 2009-03-25  Richard Guenther  <rguenther@suse.de>
28859
28860         PR middle-end/39497
28861         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
28862         of -Wno-error.
28863
28864 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
28865
28866         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
28867         neither of haifa/selective schedulers are working.
28868
28869 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
28870
28871         * doc/invoke.texi (Debugging Options): Fix description of
28872         -fno-merge-debug-strings.
28873
28874 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
28875
28876         * config/cris/libgcc.ver: New version-script.
28877         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
28878
28879         * configure.ac <GAS features, nop mnemonic>: Add pattern
28880         crisv32-*-* for "nop".
28881         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
28882         * configure: Regenerate.
28883
28884 2009-03-24  Ira Rosen  <irar@il.ibm.com>
28885
28886         PR tree-optimization/39529
28887         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
28888         mark_sym_for_renaming for the tag copied to the new vector
28889         pointer.
28890
28891 2009-03-24  Arthur Loiret  <aloiret@debian.org>
28892
28893         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
28894         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
28895         EXTRA_SPEC_FUNCTIONS.
28896         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
28897         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
28898         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
28899         -march and -mtune options.
28900
28901 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
28902
28903         * config/m68k/t-rtems: Add m5329 multilib.
28904
28905 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
28906             Jakub Jelinek  <jakub@redhat.com>
28907
28908         PR debug/39524
28909         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
28910         nodes.
28911
28912 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
28913
28914         PR c/39495
28915         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
28916         instead of c_parser_expression_conv, if original_code isn't one of the
28917         4 allowed comparison codes, fail.
28918
28919 2009-03-23  Richard Guenther  <rguenther@suse.de>
28920
28921         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
28922         * tree.h (struct tree_type): Likewise.
28923         * reload.h (struct insn_chain): Likewise.
28924         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
28925         * function.h (struct function): Likewise.
28926         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
28927
28928 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
28929
28930         PR tree-optimization/39516
28931         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
28932
28933 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
28934
28935         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
28936         should be set true if BITS_PER_WORD of target is bigger than 32
28937
28938 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
28939
28940         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
28941         Translate -B-options to -rpath-link.  Correct existing
28942         rpath-link and conditionalize on !nostdlib.
28943
28944 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
28945
28946         * doc/extend.texi (Function Attributes, Variable Attributes):
28947         Fix typos.
28948         * doc/invoke.texi (Debugging Options, Optimize Options)
28949         (i386 and x86-64 Options, MCore Options): Likewise.
28950
28951 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
28952
28953         PR debug/37890
28954         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
28955         it for block local namespace aliases.
28956         (gen_decl_die): Pass context_die to gen_namespace_die.
28957
28958 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
28959
28960         PR c/39495
28961         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
28962         minimum or maximum value.
28963
28964 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
28965
28966         * reginfo.c (globalize_reg): Recompute derived reg sets.
28967
28968 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
28969
28970         PR target/39063
28971         * libgcc2.c (mprotect): Do not use signed arguments for
28972         VirtualProtect, use DWORD arguments.  Also fix the 'may
28973         be used uninitialized' warning for the np variable.
28974
28975 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
28976
28977         PR target/39496
28978         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
28979         functions using regparm calling conventions when not optimizing.
28980         (ix86_function_sseregparm): Similarly for sseregparm calling
28981         conventions.
28982
28983 2009-03-19  Li Feng  <nemokingdom@gmail.com>
28984
28985         PR middle-end/39500
28986         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
28987         dependence if the first conflict is after niter iterations.
28988
28989 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
28990
28991         PR middle-end/38609
28992         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
28993         functions with dynamic stack-pointer adjustments.
28994
28995 2009-03-19  Ben Elliston  <bje@au.ibm.com>
28996
28997         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
28998         option; change to -msdata=data.
28999
29000 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
29001
29002         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
29003         and -fopenmp.
29004
29005 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
29006
29007         PR target/35180
29008         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
29009
29010 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
29011
29012         * doc/invoke.texi (Code Gen Options): Expand discussion of
29013         -fno-common.
29014
29015 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
29016
29017         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
29018         * matrix-reorg.c (struct matrix_info): Likewise.
29019         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
29020         * rtl.h (struct mem_attrs): Likewise.
29021         * df.h (struct df): Likewise.
29022         * tree-data-ref.h (struct data_dependence_relation): Likewise.
29023         * ira-int.h (struct ira_allocno): Likewise.
29024         * df-scan.c (struct df_collection_rec): Likewise.
29025         * ira.c (struct equivalence): Likewise.
29026         * function.c (struct temp_slot): Likewise.
29027         * cfgloop.h (struct loop): Likewise.
29028
29029         PR debug/39485
29030         * function.c (use_register_for_decl): When not optimizing, disregard
29031         register keyword for variables with types containing methods.
29032
29033 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
29034
29035         PR middle-end/39447
29036         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
29037         (is_simple_operand): Call contains_component_ref_p before calling data
29038         reference analysis that would fail on COMPONENT_REFs.
29039
29040         * tree-vrp.c (search_for_addr_array): Fix formatting.
29041
29042 2009-03-18  Richard Guenther  <rguenther@suse.de>
29043
29044         * tree-vect-transform.c (vect_loop_versioning): Fold the
29045         generated comparisons.
29046         * tree-vectorizer.c (set_prologue_iterations): Likewise.
29047         (slpeel_tree_peel_loop_to_edge): Likewise.
29048
29049 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
29050
29051         PR middle-end/37805
29052         * opts.c (print_specific_help): In addition to `undocumented',
29053         accept `separate' and `joined' flags if passed alone.  Describe
29054         output by the first matched one of those.
29055         (common_handle_option): Skip over empty strings.
29056         * gcc.c (display_help): Fix help string for `--help='.
29057         * doc/invoke.texi (Option Summary, Overall Options): With
29058         `--help=', classes and qualifiers can both be repeated, but
29059         only the latter can be negated.  One should not pass only
29060         negated qualifiers.  Fix markup and examples.
29061
29062         Revert
29063         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
29064         PR middle-end/37805
29065         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
29066         and -fhelp=separate.
29067
29068 2009-03-17  Jing Yu  <jingyu@google.com>
29069
29070         PR middle-end/39378
29071         * function.h (struct rtl_data): Move is_thunk from here...
29072         (struct function): ...to here.
29073         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
29074         * varasm.c (assemble_start_function): Change is_thunk from crtl to
29075         cfun.
29076         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
29077         cfun.
29078         (alpha_does_function_need_gp, alpha_start_function): Likewise.
29079         (alpha_output_function_end_prologue): Likewise.
29080         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
29081         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
29082         (rs6000_output_function_epilogue): Likewise.
29083         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
29084
29085 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
29086
29087         PR target/39482
29088         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
29089         from different units in a single alternative.
29090         (*truncdfsf_i387): Ditto.
29091         (*truncxfsf2_mixed): Ditto.
29092         (*truncxfdf2_mixed): Ditto.
29093
29094 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
29095
29096         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
29097         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
29098
29099         PR debug/39474
29100         * tree-ssa-live.c (remove_unused_locals): Don't remove local
29101         unused non-artificial variables when not optimizing.
29102
29103         PR debug/39471
29104         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
29105         DW_TAG_imported_module even if decl is IMPORTED_DECL with
29106         NAMESPACE_DECL in its DECL_INITIAL.
29107
29108         PR middle-end/39443
29109         * optabs.c (set_user_assembler_libfunc): New function.
29110         * expr.h (set_user_assembler_libfunc): New prototype.
29111         * c-common.c: Include libfuncs.h.
29112         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
29113         for memcmp, memset, memcpy, memmove and abort.
29114         * Makefile.in (c-common.o): Depend on libfuncs.h.
29115
29116         PR debug/39412
29117         * dwarf2out.c (gen_inlined_enumeration_type_die,
29118         gen_inlined_structure_type_die, gen_inlined_union_type_die,
29119         gen_tagged_type_instantiation_die): Removed.
29120         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
29121         do nothing.
29122
29123 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
29124
29125         PR testsuite/38526
29126         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
29127         its use.
29128         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
29129         (check-parallel-%): Ditto.
29130         (check-consistency): Ditto.
29131
29132 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
29133
29134         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
29135         local variable rhs by NULL_TREE.
29136
29137 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
29138
29139         PR target/39477
29140         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
29141
29142 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
29143
29144         PR target/39476
29145         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
29146
29147 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
29148
29149         PR target/39473
29150         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
29151         for ms->sysv ABI calls only in 64bit mode.
29152
29153         * config/i386/i386.md (untyped_call): Support 32bit.
29154
29155 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
29156
29157         * doc/extend.texi: Replace x86_65 with x86_64.
29158
29159 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
29160
29161         PR tree-optimization/39455
29162         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
29163         mismatches for POINTER_TYPE_P (type).
29164         (number_of_iterations_le): Likewise.
29165
29166 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
29167
29168         * config/picochip/picochip.c: Removed profiling support.
29169         * config/picochip/picochip.md: Removed profiling instruction.
29170         * config/picochip/picochip.h: Removed profiling builtin.
29171
29172 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
29173
29174         * doc/install.texi (--with-host-libstdcxx): Document.
29175
29176 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
29177
29178         PR target/34299
29179         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
29180         generate a warning if the function name does not begin with
29181         "__vector" and the function has either the 'signal' or 'interrupt'
29182         attribute, from here to ...
29183         (avr_declare_function_name): ...here. New function.
29184         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
29185         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
29186
29187 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
29188
29189         PR bootstrap/39454
29190         * cse.c (fold_rtx): Don't modify original const_arg1 when
29191         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
29192         separate variable instead.
29193         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
29194         from out of range shift counts.
29195         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
29196
29197 2009-03-13  Catherine Moore  <clm@codesourcery.com>
29198
29199         * config/i386/x-mingw32 (host-mingw32.o): Replace
29200         diagnostic.h with $(DIAGNOSTIC_H).
29201
29202 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
29203
29204         PR target/39431
29205         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
29206         predicate.
29207         * config/i386/sync.md (sync_compare_and_swap<mode>,
29208         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
29209         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
29210         into a register.
29211         (sync_double_compare_and_swapdi_pic,
29212         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
29213         cmpxchg8b_pic_memory_operand instead of just memory_operand.
29214
29215 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
29216
29217         PR target/39445
29218         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
29219
29220 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
29221
29222         PR target/39327
29223         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
29224         (avx_addsubv4df3): Likewise.
29225         (*avx_addsubv4sf3): Likewise.
29226         (sse3_addsubv4sf3): Likewise.
29227
29228 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
29229
29230         PR target/38824
29231         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
29232
29233 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
29234
29235         PR debug/39432
29236         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
29237         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
29238         registers for allocnos created from user-defined variables.
29239
29240 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
29241
29242         PR target/39181
29243         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
29244         of non-integer mode as well.
29245
29246 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
29247
29248         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
29249         for functions for which the parameter types are unknown.
29250
29251 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
29252
29253         PR target/39137
29254         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
29255         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
29256         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
29257         * config/i386/i386.c (ix86_local_alignment): For
29258         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
29259         long long variables on the stack to avoid dynamic realignment.
29260         Allow the first argument to be a decl rather than type.
29261         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
29262
29263 2009-03-11  Nick Clifton  <nickc@redhat.com>
29264
29265         PR target/5362
29266         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
29267         options.
29268         Add description to mno-lsim option.
29269         * config/mcore/mcore.h: Remove comment about deprecated m4align
29270         option.
29271         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
29272         * doc/invoke.texi: Add description of mno-lsim and
29273         mstack-increment options.
29274
29275         * config/fr30/fr30.opt: Document the -mno-lsim option.
29276         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
29277         and -mno-lsim options.
29278
29279 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
29280
29281         * fold-const.c (fold_comparison): Only call fold_inf_compare
29282         if the mode supports infinities.
29283
29284 2009-03-11  Jason Merrill  <jason@redhat.com>
29285
29286         PR debug/39086
29287         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
29288         end already did.  Notice GIMPLE_CALL modifications of the result.
29289         Don't copy debug information from an ignored decl or a decl from
29290         another function.
29291
29292 2009-03-10  Richard Guenther  <rguenther@suse.de>
29293             Nathan Froyd  <froydnj@codesourcery.com>
29294
29295         PR middle-end/37850
29296         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
29297         (__divMODE3): Likewise.
29298
29299 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
29300
29301         PR tree-optimization/39394
29302         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
29303         DECL_SIZE_UNIT of variable length FIELD_DECLs.
29304
29305 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
29306
29307         * recog.c (verfiy_changes): Disallow renaming of hard regs in
29308         inline asms for register asm ("") declarations.
29309
29310 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
29311
29312         * fold-const.c (fold_unary): Fix comment.
29313
29314 2009-03-07  Jan Hubicka  <jh@suse.cz>
29315
29316         PR target/39361
29317         * tree-inline.c (setup_one_parameter): Do replacement of const
29318         argument by constant in SSA form.
29319
29320 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
29321
29322         PR middle-end/38028
29323         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
29324         determine alignment passed to assign_stack_local.
29325         (assign_parms_unsplit_complex): Likewise.
29326         * except.c (sjlj_build_landing_pads): Likewise.
29327
29328 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
29329
29330         PR middle-end/39360
29331         * tree-flow.h (add_referenced_var): Return bool instead of void.
29332         * tree-dfa.c (add_referenced_var): Return result of
29333         referenced_var_check_and_insert call.
29334         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
29335         of referenced_var_check_and_insert.
29336
29337         PR debug/39372
29338         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
29339         (gen_variable_die): Emit DW_AT_location on abstract static variable's
29340         DIE, don't emit it if abstract origin already has it.
29341         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
29342         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
29343
29344 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
29345
29346         * genpreds.c (needs_variable): Fix parentheses at variable name
29347         detection.
29348         (write_tm_constrs_h): Indent generated code.
29349
29350 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
29351
29352         * doc/extend.texi (Function Attributes): Add documentation
29353         for isr attributes.
29354
29355 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
29356
29357         PR debug/39387
29358         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
29359         take locus from its DECL_SOURCE_LOCATION instead of input_location.
29360
29361 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
29362
29363         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
29364         the loop as bad.
29365
29366 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
29367
29368         PR debug/39379
29369         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
29370         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
29371
29372 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
29373
29374         * config/i386/i386.md (R8_REG, R9_REG): New constants.
29375         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
29376         constants instead of magic numbers.
29377         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
29378         (QI_REG_P): Ditto.
29379         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
29380         (x86_64_ms_abi_int_parameter_registers): Ditto.
29381         (x86_64_int_return_registers): Ditto.
29382         (ix86_maybe_switch_abi): Ditto.
29383         (ix86_expand_call): Ditto for clobbered_registers array.
29384         (ix86_hard_regno_mode_ok): Ditto.
29385         (x86_extended_QIreg_mentioned_p): Ditto.
29386
29387 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
29388
29389         PR tree-optimization/39349
29390         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
29391
29392         * combine.c (gen_lowpart_for_combine): Use omode when generating
29393         clobber.
29394
29395 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
29396
29397         PR rtl-optimization/39235
29398         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
29399
29400 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
29401
29402         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
29403
29404 2009-03-04  Richard Guenther  <rguenther@suse.de>
29405
29406         PR tree-optimization/39362
29407         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
29408         that occur in abnormal PHIs should be varying.
29409
29410 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
29411
29412         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
29413         Extend comments.
29414         (simple_iv):  Take loop as an argument instead of statement.
29415         * tree-scalar-evolution.h (simple_iv): Declaration changed.
29416         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
29417         to simple_iv.
29418         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
29419         Ditto.
29420         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
29421         * matrix-reorg.c (analyze_transpose): Ditto.
29422         * tree-data-ref.c (dr_analyze_innermost): Ditto.
29423         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
29424         * tree-predcom.c (ref_at_iteration): Ditto.
29425         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
29426
29427 2009-03-04  Richard Guenther  <rguenther@suse.de>
29428
29429         PR tree-optimization/39358
29430         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
29431         escaped_id and callused_id.
29432         (solve_graph): Likewise.
29433
29434 2009-03-04  Richard Guenther  <rguenther@suse.de>
29435
29436         PR tree-optimization/39339
29437         * tree-sra.c (try_instantiate_multiple_fields): Make it
29438         no longer ICE on the above.
29439
29440 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
29441
29442         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
29443         that fits within Pmode.
29444
29445 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
29446
29447         PR middle-end/10109
29448         * tm.texi (LIBCALL_VALUE): Update description.
29449
29450 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
29451
29452         PR middle-end/34443
29453         * doc/extend.texi (section): Update description.
29454
29455 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
29456
29457         PR middle-end/39345
29458         * tree-inline.c (remapped_type): New.
29459         (can_be_nonlocal): Call remapped_type instead of remap_type.
29460
29461 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
29462
29463         PR fortran/39354
29464         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
29465         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
29466
29467 2009-03-03  Richard Guenther  <rguenther@suse.de>
29468
29469         PR middle-end/39272
29470         * tree.c (tree_nonartificial_location): New function.
29471         * tree.h (tree_nonartificial_location): Declare.
29472         * builtins.c (expand_builtin_memory_chk): Provide location
29473         of the call location for artificial function pieces.
29474         (maybe_emit_chk_warning): Likewise.
29475         (maybe_emit_sprintf_chk_warning): Likewise.
29476         (maybe_emit_free_warning): Likewise.
29477         * expr.c (expand_expr_real_1): Likewise.
29478
29479 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
29480
29481         PR tree-optimization/39343
29482         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
29483         COMPONENT_REF t has ARRAY_TYPE.
29484
29485 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
29486
29487         PR middle-end/39335
29488         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
29489         when the type precision of the induction variable should be
29490         larger than the type precision of nit.
29491         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
29492         * graphite.c (graphite_loop_normal_form): Same.
29493         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
29494
29495 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
29496
29497         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
29498         (*call_1_rex64_ms_sysv): Use named constants instead of magic
29499         numbers to describe clobbered registers.
29500         (*call_value_0_rex64_ms_sysv): Ditto.
29501         * config/i386/mmx.md (mmx_emms): Ditto.
29502         (mmx_femms): Ditto.
29503
29504 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
29505
29506         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
29507         of ABI_64.
29508
29509 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
29510
29511         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
29512         (spu_section_type_flags): New function.
29513
29514 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
29515
29516         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
29517         reg_class_contents of FLOAT_REGS into a temporary.
29518
29519 2009-03-02  Richard Guenther  <rguenther@suse.de>
29520             Ira Rosen  <irar@il.ibm.com>
29521
29522         PR tree-optimization/39318
29523         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
29524         information to the vectorized statement.
29525
29526 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
29527
29528         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
29529         variable.  Use defined names instead of magic constants for REX SSE
29530         registers.
29531
29532 2009-03-01  Richard Guenther  <rguenther@suse.de>
29533
29534         PR tree-optimization/39331
29535         * omp-low.c (lower_send_shared_vars): Do not receive new
29536         values for the reference of DECL_BY_REFERENCE parms or results.
29537
29538 2009-03-01  Jan Hubicka  <jh@suse.cz>
29539
29540         PR debug/39267
29541         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
29542         BLOCK_NONLOCALIZED_VAR): New macros.
29543         (tree_block): Add nonlocalized_vars.
29544         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
29545         gen_decl_die): Add origin argument.  Allow generation of die with
29546         origin at hand only.
29547         (gen_member_die, gen_type_die_with_usage, force_decl_die,
29548         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
29549         of gen_*.
29550         (gen_block_die): Fix checking for unused blocks.
29551         (process_scope_var): Break out from .... ; work with origins only.
29552         (decls_for_scope) ... here; process nonlocalized list.
29553         (dwarf2out_ignore_block): Look for nonlocalized vars.
29554         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
29555         vars.
29556         (dump_scope_block): Dump them.
29557         * tree-inline.c (remap_decls): Handle nonlocalized vars.
29558         (remap_block): Likewise.
29559         (can_be_nonlocal): New predicate.
29560         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
29561
29562 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
29563
29564         * configure: Regenerate.
29565
29566 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
29567
29568         * optc-gen.awk: No need to duplicate option flags twice.
29569         Reuse help texts for duplicate options which do not have any.
29570
29571         * gcc.c (display_help): Document --version.
29572
29573         * gcc.c (main): If print_help_list and verbose_flag, ensure
29574         driver output comes before subprocess output.
29575
29576         * optc-gen.awk: Assign all remaining fields to help string,
29577         space-separated, for multi-line help in *.opt.
29578
29579         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
29580         -Wno-pedantic-ms-format is for MinGW targets only.
29581
29582         * doc/options.texi (Option file format): Fix bad indentation,
29583         restoring dropped sentence.
29584
29585 2009-02-28  Jan Hubicka  <jh@suse.cz>
29586
29587         * tree-inline.c (tree_function_versioning): Output debug info.
29588
29589 2009-02-28  Jan Hubicka  <jh@suse.cz>
29590
29591         PR debug/39267
29592         * tree-inline.c (setup_one_parameter): Do not copy propagate
29593         arguments when not optimizing.
29594
29595 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
29596
29597         PR target/39327
29598         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
29599         (avx_addsubv4df3): Likewise.
29600         (*avx_addsubv4sf3): Likewise.
29601         (sse3_addsubv4sf3): Likewise.
29602         (*avx_addsubv2df3): Likewise.
29603         (sse3_addsubv2df3): Likewise.
29604         (avx_unpckhps256): Correct item selectors.
29605         (avx_unpcklps256): Likewise.
29606         (avx_unpckhpd256): Likewise.
29607         (avx_unpcklpd256): Likewise.
29608
29609 2009-02-28  Jan Hubicka  <jh@suse.cz>
29610
29611         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
29612         static vars.
29613         (copy_arguments_for_versioning): If var is declared don't declare it.
29614         (tree_function_versioning): First setup substitutions and then copy
29615         args.
29616
29617 2009-02-27  Jan Hubicka  <jh@suse.cz>
29618
29619         PR debug/39267
29620         * cgraph.h (varpool_output_debug_info): Remove.
29621         * cgraphunit.c (varpool_output_debug_info): Remove.
29622         * dwarf2out.c (deferred_locations_struct): New struct
29623         (deferred_locations): New type.
29624         (deferred_locations_list): New static var.
29625         (deffer_location): New function.
29626         (gen_variable_die): Use it.
29627         (decls_for_scope): Output info on local static vars.
29628         (dwarf2out_finish): Process deferred locations.
29629         * varpool.c (varpool_output_debug_info): Remove.
29630
29631 2009-02-27  Jan Hubicka  <jh@suse.cz>
29632
29633         PR debug/39267
29634         * tree.h (TREE_PROTECTED): Fix comment.
29635         (BLOCK_HANDLER_BLOCK): Remove.
29636         (struct tree_block): Remove handler_block add body_block.
29637         (inlined_function_outer_scope_p): New.
29638         (is_body_block): Remove.
29639         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
29640         * dwarf2out.c (is_inlined_entry_point): Remove.
29641         (add_high_low_attributes): Use inlined_function_outer_scope_p.
29642         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
29643         code.
29644         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
29645         * gimplify.c (gimplify_expr): Gimplify body blocks.
29646         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
29647         block with multiple subblocks.
29648         (dump_scope_block): Prettier output; dump more flags and info.
29649         (dump_scope_blocks): New.
29650         (remove_unused_locals): Use dump_scope_blocks.
29651         * tree-flow.h (dump_scope_blocks): Declare.
29652         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
29653         * stmt.c (is_body_block): Remove.
29654         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
29655         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
29656
29657 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
29658
29659         PR middle-end/39308
29660         * graphite.c (graphite_loop_normal_form): Do not call
29661         number_of_iterations_exit from a gcc_assert.
29662
29663 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
29664
29665         * config/s390/s390.c (s390_swap_cmp): Look for conditional
29666         jumps if COND is NULL.
29667         (find_cond_jump): New function.
29668         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
29669         * config/s390/s390.md: Remove z10_cobra attribute value.
29670
29671 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
29672
29673         * config/alpha/alpha.h (alpha_expand_mov): Return false if
29674         force_const_mem returns NULL_RTX.
29675
29676 2009-02-26  Jan Hubicka  <jh@suse.cz>
29677
29678         PR debug/39267
29679         * cgraph.h (varpool_output_debug_info): Remove.
29680         * cgraphunit.c (varpool_output_debug_info): Remove.
29681         * dwarf2out.c (deferred_locations_struct): New struct
29682         (deferred_locations): New type.
29683         (deferred_locations_list): New static var.
29684         (deffer_location): New function.
29685         (gen_variable_die): Use it.
29686         (decls_for_scope): Output info on local static vars.
29687         (dwarf2out_finish): Process deferred locations.
29688         * varpool.c (varpool_output_debug_info): Remove.
29689
29690 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
29691
29692         PR rtl-optimization/39241
29693         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
29694         to subreg_offset_representable_p.
29695
29696 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
29697
29698         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
29699         execute function prototype.  Get f and nregs from max_reg_num
29700         and get_insns.  Remove the first backward pass as it's dead,
29701         guard the forward pass by flag_expensive_optimizations.
29702         (rest_of_handle_regmove): Delete.
29703         (pass_regmove): Replace it with regmove_optimize.
29704
29705 2009-02-25  Martin Jambor  <mjambor@suse.cz>
29706
29707         PR tree-optimization/39259
29708         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
29709         calls_alloca function flags.
29710         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
29711         calls are detected.
29712
29713 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
29714
29715         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
29716         flags_set_1_rtx, flags_set_1_set): Delete.
29717         (regmove_optimize): Do not call mark_flags_life_zones.
29718
29719 2009-02-24  Julian Brown  <julian@codesourcery.com>
29720
29721         PR target/35965
29722         * config/arm/arm.c (require_pic_register): Only set
29723         cfun->machine->pic_reg once per function.
29724
29725 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
29726
29727         * doc/invoke.texi (Link Options): Document an easier way to pass
29728         options that take arguments to the GNU linker using -Xlinker and -Wl.
29729
29730 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
29731
29732         PR target/33785
29733         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
29734
29735 2009-02-24  Richard Guenther  <rguenther@suse.de>
29736
29737         PR debug/39285
29738         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
29739
29740 2009-02-24  Richard Guenther  <rguenther@suse.de>
29741             Zdenek Dvorak  <ook@ucw.cz>
29742
29743         PR tree-optimization/39233
29744         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
29745         from converting them to a generic type.
29746
29747 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
29748
29749         PR tree-optimization/39260
29750         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
29751         contains a condition with a real type.
29752         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
29753
29754 2009-02-23  Jason Merrill  <jason@redhat.com>
29755
29756         PR c++/38880
29757         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
29758         narrowing_initializer_constant_valid_p.
29759         (narrowing_initializer_constant_valid_p): Don't return
29760         null_pointer_node for adding a pointer to itself.
29761
29762 2009-02-23  Jan Hubicka  <jh@suse.cz>
29763
29764         PR c/12245
29765         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
29766         resizing.
29767
29768 2009-02-23  Jan Hubicka  <jh@suse.cz>
29769
29770         PR tree-optimization/37709
29771         * tree.c (block_ultimate_origin): Move here from dwarf2out.
29772         * tree.h (block_ultimate_origin): Declare.
29773         * dwarf2out.c (block_ultimate_origin): Move to tree.c
29774         * tree-ssa-live.c (remove_unused_scope_block_p):
29775         Eliminate blocks containig no instructions nor live variables nor
29776         nested blocks.
29777         (dump_scope_block): New function.
29778         (remove_unused_locals): Enable removal of dead blocks by default;
29779         enable dumping at TDF_DETAILS.
29780
29781 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
29782
29783         * config/i386/i386.c (classify_argument): Don't allow COImode
29784         and OImode.
29785         (function_arg_advance_32): Don't allow OImode.
29786         (function_arg_32): Likewise.
29787         (function_value_32): Likewise.
29788         (return_in_memory_32): Likewise.
29789         (function_arg_64): Remove OImode comment.
29790
29791 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
29792
29793         PR target/39261
29794         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
29795         ix86_expand_vector_set for V4DImode in 64bit mode only.
29796         (ix86_expand_vector_init_one_var): Likewise.
29797
29798 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
29799
29800         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
29801
29802 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
29803
29804         PR bootstrap/39257
29805         * loop-iv.c: Revert last change.
29806         * emit-rtl.c: Likewise.
29807
29808 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
29809
29810         PR target/39256
29811         * config/i386/i386.c (type_natural_mode): Remove an extra
29812         space in the warning message.
29813         (function_value_32): Handle 32-byte vector modes.
29814         (return_in_memory_32): Likewise.
29815
29816 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
29817
29818         * loop-iv.c (truncate_value): New function.
29819         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
29820         of lowpart_subreg.
29821         (lowpart_subreg): Move to...
29822         * emit-rtl.c: ...here.
29823
29824 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
29825
29826         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
29827         accidental and undocumented change at revision 140860.
29828
29829 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
29830
29831         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
29832         take gimple_seq * arguments.
29833         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
29834         types_compatible_p langhook.
29835
29836 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
29837             Joseph Myers  <joseph@codesourcery.com>
29838
29839         * config/arm/arm.c (arm_builtin_va_list): New function.
29840         (arm_expand_builtin_va_start): Likewise.
29841         (arm_gimplify_va_arg_expr): Likewise.
29842         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
29843         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
29844         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
29845         (va_list_type): New variable.
29846         (arm_mangle_type): Mangle va_list_type appropriately.
29847
29848 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
29849
29850         PR middle-end/39157
29851         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
29852         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
29853         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
29854         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
29855         parameter to 1000 for -O1 by default.
29856         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
29857         parameter.
29858         * loop-invariant.c: Include params.h.
29859         (move_loop_invariants): Don't call move_single_loop_invariants on
29860         very large loops.
29861
29862 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
29863
29864         * calls.c (emit_library_call_value_1): Use slot_offset instead of
29865         offset when calculating bounds for indexing stack_usage_map.  Fixes
29866         a buffer overflow with certain target setups.
29867
29868 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
29869
29870         PR target/39240
29871         * calls.c (expand_call): Clear try_tail_call if caller and callee
29872         disagree in promotion of function return value.
29873
29874 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
29875
29876         PR target/39175
29877         * c-common.c (c_determine_visibility): If visibility changed and
29878         DECL_RTL has been already set, call make_decl_rtl to update symbol
29879         flags.
29880
29881 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
29882
29883         PR c++/39188
29884         * varasm.c (assemble_variable): Don't check DECL_NAME when
29885         globalizing a variable.
29886
29887 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
29888
29889         PR c/38483
29890         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
29891         expression before any __builtin_trap call.
29892         * c-typeck.c (build_function_call): Convert and check function
29893         arguments before generating a call to a trap.  Evaluate the
29894         function arguments before the trap.
29895
29896 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
29897
29898         PR target/39228
29899         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
29900         (UNSPEC_FXAM_MEM): New unspec.
29901         (fxam<mode>2_i387_with_temp): New insn and split pattern.
29902         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
29903         memory using fxam<mode>2_i387_with_temp to remove excess precision.
29904
29905 2009-02-19  Richard Guenther  <rguenther@suse.de>
29906
29907         PR tree-optimization/39207
29908         PR tree-optimization/39074
29909         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
29910         storedanything_tree): New.
29911         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
29912         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
29913         (build_succ_graph): Add edges from STOREDANYTHING to all
29914         non-direct nodes.
29915         (init_base_vars): Initialize STOREDANYTHING.
29916         (compute_points_to_sets): Free substitution info after
29917         building the succ graph.
29918         (ipa_pta_execute): Likewise.
29919
29920         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
29921         field.
29922         (do_ds_constraint): Do not add to special var or non-pointer
29923         field solutions.
29924         (type_could_have_pointers): Split out from ...
29925         (could_have_pointers): ... here.  For arrays use the element type.
29926         (create_variable_info_for): Initialize may_have_pointers.
29927         (new_var_info): Likewise.
29928         (handle_lhs_call): Make the HEAP variable unknown-sized.
29929         (intra_create_variable_infos): Use a type with pointers for
29930         PARM_NOALIAS, make it unknown-sized.
29931
29932 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
29933
29934         PR target/39224
29935         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
29936
29937 2009-02-18  Jason Merrill  <jason@redhat.com>
29938
29939         PR target/39179
29940         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
29941         value if DECL_EXTERNAL.
29942         * tree-sra.c (sra_walk_gimple_assign): Likewise.
29943         * target.h (gcc_target::binds_local_p): Clarify "module".
29944         * tree.h (TREE_PUBLIC): Clarify "module".
29945
29946 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
29947
29948         PR target/38891
29949         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
29950         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
29951
29952 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
29953
29954         PR target/39082
29955         * c.opt (Wabi): Support C and ObjC.
29956         (Wpsabi): New.
29957
29958         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
29959
29960         * config/i386/i386.c (classify_argument): Warn once about the ABI
29961         change when passing union with long double.
29962
29963         * doc/invoke.texi: Update -Wabi for warning psABI changes.
29964
29965 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
29966
29967         PR c/35447
29968         * c-parser.c (c_parser_compound_statement): Always enter and leave
29969         a scope.
29970
29971 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
29972
29973         PR target/34587
29974         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
29975
29976 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
29977
29978         PR tree-optimization/36922
29979         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
29980         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
29981         Likewise.
29982
29983 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
29984
29985         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
29986         to 0 for EABI64.
29987
29988 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
29989
29990         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
29991
29992 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
29993
29994         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
29995         tree sharing.
29996
29997 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
29998             Richard Sandiford  <rdsandiford@googlemail.com>
29999
30000         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
30001         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
30002         (loongson_biadd): ...this.
30003
30004 2009-02-17  Richard Guenther  <rguenther@suse.de>
30005
30006         PR tree-optimization/39202
30007         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
30008         a var make sure to follow existing collapses.
30009
30010 2009-02-17  Richard Guenther  <rguenther@suse.de>
30011
30012         PR middle-end/39214
30013         * langhooks.c (lhd_print_error_function): Check for NULL block.
30014
30015 2009-02-17  Richard Guenther  <rguenther@suse.de>
30016
30017         PR tree-optimization/39204
30018         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
30019         of the PHI arg.
30020
30021 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
30022
30023         * config/soft-fp/double.h: Update from glibc CVS.
30024
30025 2009-02-17  Richard Guenther  <rguenther@suse.de>
30026
30027         PR tree-optimization/39207
30028         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
30029         strict-aliasing warnings for pointers pointing to NULL.
30030
30031 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
30032
30033         PR c/35446
30034         * c-parser.c (c_parser_braced_init): Call pop_init_level when
30035         skipping until next close brace.
30036
30037 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
30038
30039         PR target/37049
30040         * config/i386/i386.c (ix86_expand_push): Set memory alignment
30041         to function argument boundary.
30042
30043 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
30044
30045         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
30046         in the lea_add. Reload eventually constraints it properly.
30047         * config/picochip/constraints.md: Remove the target constraint
30048         "b", since it is not needed anymore.
30049
30050 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
30051
30052         * gthr-dce.h: Uglify function parameter and local variable names.
30053         * gthr-gnat.h: Likewise.
30054         * gthr-mipssde.h: Likewise.
30055         * gthr-nks.h: Likewise.
30056         * gthr-posix95.h: Likewise.
30057         * gthr-posix.h: Likewise.
30058         * gthr-rtems.h: Likewise.
30059         * gthr-single.h: Likewise.
30060         * gthr-solaris.h: Likewise.
30061         * gthr-tpf.h: Likewise.
30062         * gthr-vxworks.h: Likewise.
30063         * gthr-win32.h: Likewise.
30064
30065 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
30066
30067         PR target/39196
30068         * config/i386/i386.md: Restrict the new peephole2 to move
30069         between MMX/SSE registers.
30070
30071 2009-02-15  Richard Guenther  <rguenther@suse.de>
30072
30073         Revert
30074         2009-02-13  Richard Guenther  <rguenther@suse.de>
30075
30076         * configure.ac: Enable LFS.
30077         * configure: Re-generate.
30078         * config.in: Likewise.
30079
30080 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
30081
30082         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
30083         spu_srqwbyte, spu_srqwbytebc): Define.
30084         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
30085         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
30086         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
30087         "shrqby_<mode>"): New insn-and-split patterns.
30088         * config/spu/spu.c (expand_builtin_args): Determine and return
30089         number of operands using spu_builtin_description data.
30090         (spu_expand_builtin_1): Use it.
30091
30092 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
30093
30094         PR target/38056
30095         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
30096         TARGET_CONST_GP.
30097
30098 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
30099
30100         PR target/39149
30101         * config/i386/i386.c (override_options): Correct warning
30102         messages for -malign-loops, -malign-jumps and -malign-functions.
30103
30104 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
30105
30106         PR target/39152
30107         * config/i386/i386.md: Restrict the new peephole2 to move
30108         between the general purpose registers.
30109
30110 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
30111
30112         PR target/39162
30113         * config/i386/i386.c (type_natural_mode): Add a new argument.
30114         Return the original mode and warn ABI change if vector size is 32byte.
30115         (function_arg_advance): Updated.
30116         (function_arg): Likewise.
30117         (ix86_function_value): Likewise.
30118         (ix86_return_in_memory): Likewise.
30119         (ix86_sol10_return_in_memory): Likewise.
30120         (ix86_gimplify_va_arg): Likewise.
30121         (function_arg_32): Don't warn ABX ABI change here.
30122         (function_arg_64): Likewise.
30123
30124 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
30125
30126         * loop-iv.c (implies_p): In the final case, test that operands 0
30127         of the two comparisons match.
30128
30129         * config/bfin/bfin.c (find_prev_insn_start): New function.
30130         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
30131         (find_next_insn_start): Move.
30132
30133 2009-02-13  Richard Guenther  <rguenther@suse.de>
30134
30135         * configure.ac: Enable LFS.
30136         * configure: Re-generate.
30137         * config.in: Likewise.
30138
30139 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
30140
30141         PR c/35444
30142         * c-parser.c (c_parser_parms_list_declarator): Discard pending
30143         sizes on syntax error after some arguments have been parsed.
30144
30145 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
30146
30147         * doc/invoke.texi (-fira): Remove.
30148
30149 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
30150
30151         * caller-save.c: Replace regclass.c with reginfo.c in comments.
30152         * recog.c: Likewise.
30153         * rtl.h: Likewise.
30154
30155 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
30156
30157         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
30158         (umul_ppmm): Likewise.
30159         (count_leading_zeros): Likewise.
30160         (count_trailing_zeros): Likewise.
30161         (UMUL_TIME): Likewise.
30162
30163 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
30164
30165         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
30166         soft-fp/t-softfp to tmake_file.
30167
30168         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
30169         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
30170         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
30171         IA64_BUILTIN_INFQ]: New.
30172         (ia64_init_builtins): Initialize __builtin_infq,
30173         __builtin_fabsq and __builtin_copysignq if not HPUX.
30174         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
30175         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
30176
30177         * config/ia64/lib1funcs.asm (__divtf3): Define only if
30178         SHARED is defined.
30179         (__fixtfti): Likewise.
30180         (__fixunstfti): Likewise.
30181         (__floattitf): Likewise.
30182
30183         * config/ia64/libgcc-glibc.ver: New.
30184         * config/ia64/t-fprules-softfp: Likewise.
30185         * config/ia64/sfp-machine.h: Likewise.
30186
30187         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
30188         (LIBGCC2_TF_CEXT): Likewise.
30189         (TF_SIZE): Likewise.
30190         (TARGET_INIT_LIBFUNCS): Likewise.
30191
30192         * config/ia64/t-glibc (SHLINB_MAPFILES):
30193         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
30194
30195 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
30196
30197         * config/i386/i386.c (construct_container): Rewrite processing
30198         BLKmode with X86_64_SSE_CLASS.
30199
30200 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
30201
30202         PR target/39152
30203         * config/i386/i386.md: Replace simplify_replace_rtx with
30204         replace_rtx in the new peephole2.
30205
30206 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
30207
30208         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
30209         loop unrolling do not happen at -O2.
30210
30211 2009-02-12  Michael Matz  <matz@suse.de>
30212
30213         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
30214
30215 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
30216
30217         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
30218         for -g3.
30219
30220 2009-02-12  Ben Elliston  <bje@au.ibm.com>
30221
30222         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
30223         patterns when updating the back chain.  Missed in the 2009-02-10
30224         change.
30225
30226 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
30227
30228         * doc/extend.texi (Decimal Floating Types): Update identifier of
30229         draft TR and list of missing support.
30230
30231 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
30232
30233         PR middle-end/39154
30234         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
30235         bit to variable length decl's flags, add it also to its
30236         pointer replacement variable.
30237
30238 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
30239             Jakub Jelinek  <jakub@redhat.com>
30240
30241         PR target/39118
30242         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
30243         (memory_blockage): New expander.
30244         (*memory_blockage): New insn pattern.
30245         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
30246         instead of general blockage at the end of function prologue when
30247         frame pointer is used to access red zone area.  Do not emit blockage
30248         when profiling, it is emitted in generic code.
30249         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
30250         function epilogue when frame pointer is used to access red zone area.
30251
30252 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
30253
30254         PR target/38824
30255         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
30256         by arithmetic with memory operands.
30257         * config/i386/predicates.md (commutative_operator): New.
30258
30259 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
30260
30261         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
30262         bulleted lists.
30263
30264 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
30265
30266         * alias.h (record_alias_subset): Declare.
30267         * alias.c (record_alias_subset): Make global.
30268
30269 2009-02-10  Nick Clifton  <nickc@redhat.com>
30270
30271         * tree-parloops.c: Change license to GPLv3.
30272         * ipa-struct-reorg.c: Change license to GPLv3.
30273         * ipa-struct-reorg.h: Change license to GPLv3.
30274
30275 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
30276
30277         PR c/39084
30278         * c-decl.c (start_struct): Return NULL on error.
30279
30280 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
30281
30282         PR middle-end/39124
30283         * cfgloopmanip.c (remove_path): Call remove_bbs after
30284         cancel_loop_tree, not before it.
30285
30286         PR target/39139
30287         * function.h (struct function): Add has_local_explicit_reg_vars bit.
30288         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
30289         VAR_DECLs were seen.
30290         * tree-ssa-live.c (remove_unused_locals): Recompute
30291         cfun->has_local_explicit_reg_vars.
30292         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
30293         copies or clearings if cfun->has_local_explicit_reg_vars.
30294
30295 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
30296
30297         PR target/39118
30298         * config/i386/i386.c (expand_prologue): Emit blockage at the end
30299         of function prologue when frame pointer is used to access
30300         red zone area.
30301
30302 2009-02-10  Richard Guenther  <rguenther@suse.de>
30303
30304         PR middle-end/39127
30305         * gimplify.c (gimple_regimplify_operands): Always look if
30306         we need to create a temporary.
30307
30308 2009-02-10  Richard Guenther  <rguenther@suse.de>
30309
30310         PR tree-optimization/39132
30311         * tree-loop-distribution.c (todo): New global var.
30312         (generate_memset_zero): Trigger TODO_rebuild_alias.
30313         (tree_loop_distribution): Return todo.
30314
30315 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
30316
30317         PR target/39119
30318         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
30319         (x86_64_reg_class_name): Removed.
30320         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
30321         first one isn't X86_64_SSE_CLASS or any other ones aren't
30322         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
30323         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
30324         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
30325         and 3 X86_64_SSEUP_CLASS.
30326         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
30327         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
30328
30329 2009-02-10  Ben Elliston  <bje@au.ibm.com>
30330
30331         * config/rs6000/rs6000.md (allocate_stack): Always use an update
30332         form instruction to update the stack back chain word, even if the
30333         user has disabled the generation of update instructions.
30334         (movdi_<mode>_update_stack): New.
30335         (movsi_update_stack): Likewise.
30336         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
30337         always use an update form instruction to update the stack back
30338         chain word.
30339
30340 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
30341
30342         PR middle-end/38953
30343         * graphite.c (if_region_set_false_region): After moving a region in
30344         the false branch of a condition, remove the empty dummy basic block.
30345         (gloog): Remove wrong fix for PR38953.
30346
30347 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
30348
30349         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
30350         generation due to implicit sign extension.
30351
30352 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
30353
30354         PR middle-end/38981
30355         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
30356         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
30357
30358 2009-02-09  Richard Guenther  <rguenther@suse.de>
30359
30360         PR middle-end/35202
30361         * convert.c (convert_to_real): Disable (float)fn((double)x)
30362         to fnf(x) conversion if errno differences may occur and
30363         -fmath-errno is set.
30364
30365 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
30366
30367         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
30368         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
30369         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
30370
30371 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
30372
30373         PR c/35434
30374         * c-common.c (handle_alias_attribute): Disallow attribute for
30375         anything not a FUNCTION_DECL or VAR_DECL.
30376
30377 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
30378
30379         PR c/39035
30380         * real.c (do_compare): Special-case compare of zero against
30381         decimal float value.
30382
30383 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
30384
30385         PR c/36432
30386         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
30387         as indicating flexible array members unless the field itself is
30388         being declarared as the incomplete array.
30389
30390 2009-02-06  Jan Hubicka  <jh@suse.cz>
30391
30392         PR tree-optimization/38844
30393         * ipa-inline.c (try_inline): Stop inlining recursion when edge
30394         is already inlined.
30395
30396 2009-02-06  Richard Guenther  <rguenther@suse.de>
30397
30398         PR middle-end/38977
30399         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
30400         fork because we may expand it as __gcov_fork.
30401
30402 2009-02-06  Nick Clifton  <nickc@redhat.com>
30403
30404         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
30405
30406 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
30407
30408         PR tree-optimization/35659
30409         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
30410         vn_phi_eq): Shortcut if hashcode does not match.
30411         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
30412         NULL operands.
30413         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
30414         and avoid iterative_hash_expr.
30415         (FOR_EACH_VALUE_ID_IN_SET): New.
30416         (value_id_compare): Remove.
30417         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
30418         sort expressions by value id.
30419
30420 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
30421
30422         PR target/38991
30423         * config/sh/predicates.md (general_movsrc_operand): Don't check
30424         the subreg of system registers here.
30425
30426 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
30427
30428         PR c++/39106
30429         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
30430         on the copied decl.
30431
30432 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
30433
30434         PR rtl-optimization/39110
30435         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
30436         addresses, not aligned ones.
30437
30438 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
30439             Richard Guenther  <rguenther@suse.de>
30440
30441         PR tree-optimization/39100
30442         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
30443         comment says and add edges.
30444
30445 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
30446
30447         PR c/35435
30448         * c-common.c (handle_tls_model_attribute): Ignore attribute for
30449         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
30450
30451 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
30452
30453         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
30454         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
30455         register_bb_in_sese, new_sese, free_sese): Moved.
30456         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
30457         outermost_loop_in_scop, build_scop_iteration_domain,
30458         expand_scalar_variables_ssa_name, get_vdef_before_scop,
30459         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
30460         Use loop_in_sese_p instead of loop_in_scop_p.
30461         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
30462         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
30463         (scopdet_basic_block_info): Fix bug in scop detection.
30464         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
30465         eq_loop_to_cloog_loop): Remove.
30466         (nb_loops_around_loop_in_scop, nb_loop
30467         ref_nb_loops): Moved here...
30468         * graphite.h (ref_nb_loops): ... from here.
30469         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
30470         (loop_domain_dim, loop_iteration_vector_dim): Remove.
30471         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
30472
30473 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
30474             Hans-Peter Nilsson  <hp@axis.com>
30475
30476         PR rtl-optimization/37889
30477         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
30478         Move offset handling from PLUS to before the switch.  Use new
30479         arguments when considering SYMBOL_REFs too.
30480         (rtx_addr_can_trap_p): Pass dummy offset and size.
30481         (enum may_trap_p_flags): Remove.
30482         (may_trap_p_1): Pass size from MEM_SIZE.
30483
30484         PR rtl-optimization/38921
30485         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
30486         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
30487         * rtlanal.c (may_trap_after_code_motion_p): Delete.
30488         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
30489
30490 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
30491
30492         AVX Programming Reference (January, 2009)
30493         * config/i386/sse.md (*vpclmulqdq): New.
30494
30495 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
30496
30497         PR tree-optimization/38977
30498         PR gcov-profile/38292
30499         * calls.c (special_function_p): Disregard __builtin_ prefix.
30500
30501 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
30502
30503         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
30504         non-indexable addresses even before reload.
30505
30506 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
30507
30508         PR c/29129
30509         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
30510         as having variable size.  Do not give an error for unnamed
30511         parameters with [*] declarators.  Give a warning for type names
30512         with [*] declarators and mark them as variable size.
30513         * c-parser.c (c_parser_sizeof_expression): Do not give an error
30514         for sizeof applied to [*] type names.
30515
30516 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
30517
30518         PR C++/36607
30519         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
30520
30521 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
30522
30523         * gcc.c (process_command): Update copyright notice dates.
30524         * gcov.c (print_version): Likewise.
30525         * gcov-dump.c (print_version): Likewise.
30526         * mips-tfile.c (main): Likewise.
30527         * mips-tdump.c (main): Likewise.
30528
30529 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
30530
30531         PR c/35433
30532         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
30533         for composite type involving a zero-length array type.
30534
30535 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
30536
30537         PR target/35318
30538         * function.c (match_asm_constraints_1): Skip over
30539         initial optional % in the constraint.
30540
30541         PR inline-asm/39059
30542         * c-parser.c (c_parser_postfix_expression): If fixed point is not
30543         supported, don't accept FIXED_CSTs.
30544         * c-decl.c (finish_declspecs): Error if fixed point is not supported
30545         and _Sat is used without _Fract/_Accum.  Set specs->type to
30546         integer_type_node for cts_fract/cts_accum if fixed point is not
30547         supported.
30548
30549 2009-02-02  Catherine Moore  <clm@codesourcery.com>
30550
30551         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
30552
30553 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
30554
30555         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
30556         (ABI_HAS_64BIT_SYMBOLS): Use it.
30557         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
30558
30559 2009-02-02  Paul Brook  <paul@codesourcery.com>
30560
30561         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
30562
30563 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
30564
30565         PR inline-asm/39058
30566         * recog.h (asm_operand_ok): Add constraints argument.
30567         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
30568         recurse on matching constraint.
30569         (check_asm_operands): Pass constraints as 3rd argument to
30570         asm_operand_ok.  Don't look up matching constraint here.
30571         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
30572         to asm_operand_ok.
30573
30574 2009-02-02  Ben Elliston  <bje@au.ibm.com>
30575
30576         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
30577         TARGET_NARROW_VOLATILE_BITFIELD macro names.
30578
30579 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
30580
30581         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
30582         information.  Remove some obsolete information.  Reorganize.
30583
30584         * config/pa/fptr.c: Revert license to GPL 2.
30585         * config/pa/milli64.S: Likewise.
30586
30587 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
30588
30589         PR target/38904
30590         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
30591         LIBRARY name in, instead of hard-coding it.
30592         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
30593         extra target make frag to tmake_files according to EH model.
30594         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
30595         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
30596         frags that define makefile variable EH_MODEL appropriately.
30597         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
30598         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
30599         to "-sjlj" according to type of EH configured.
30600         (LIBGCC_SONAME):  Concatenate it to shared library base name.
30601         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
30602         to "_sjlj" according to type of EH configured.
30603         (LIBGCC_SONAME):  Concatenate it to shared library base name.
30604         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
30605         (SHLIB_LINK):  Add missing semicolon to if-else construct.
30606         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
30607         string value of "pe_dll" command-line option.
30608         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
30609         (SHLIB_SONAME):  Use it when overriding t-cygming default.
30610         (SHLIB_IMPLIB):  Override t-cygming default.
30611         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
30612         string value of "pe_dll" command-line option.
30613
30614 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
30615
30616         PR target/38952
30617         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
30618         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
30619
30620 2009-01-31  Richard Guenther  <rguenther@suse.de>
30621
30622         PR tree-optimization/38937
30623         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
30624         computing the transitive closure.
30625
30626 2009-01-30  Richard Guenther  <rguenther@suse.de>
30627
30628         PR tree-optimization/39041
30629         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
30630         Propagate variable indices only if the types match for this stmt.
30631
30632 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
30633
30634         PR target/39013
30635         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
30636         inline but never defined.
30637
30638 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
30639
30640         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
30641         (*insv_h_di_reg_extimm): New insn.
30642         (*insv_l<mode>_reg_extimm): New insn.
30643
30644 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
30645
30646         * config/picochip/picochip.c (flag_conserve_stack): set
30647         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
30648         fconserve-stack. Reduce call-overhead used by inliner.
30649
30650 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
30651
30652         PR/38157
30653         * common.opt (flag_conserve_stack): Initialised to zero.
30654
30655 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
30656
30657         PR/39002
30658         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
30659         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
30660         method.
30661
30662 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
30663
30664         * ira-color.c (allocno_reload_assign): Update comments.
30665         * regmove.c (regmove_optimize): Likewise.
30666
30667         * ra.h: Removed.
30668
30669 2009-01-29  Robert Millan  <rmh@aybabtu.com>
30670
30671         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
30672         * config/i386/kopensolaris-gnu.h: New file.  Undefine
30673         `MD_UNWIND_SUPPORT'.
30674         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
30675
30676 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
30677
30678         PR tree-optimization/39007
30679         * tree-loop-distribution.c (generate_builtin): Use
30680         recompute_dominator to compute the immediate dominator of the
30681         basic block just after the loop.
30682
30683 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
30684
30685         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
30686         (ASM_OUTPUT_DWARF_PCREL): Define.
30687
30688 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
30689
30690         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
30691         * doc/passes.texi: Remove entries about regclass, local-alloc, and
30692         global.  Modify entries about regmove and IRA.
30693
30694         * ra-conflict.c: Remove the file.
30695
30696         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
30697
30698         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
30699         (pass_regclass_init): Rename to pass_reginfo_init.
30700
30701         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
30702
30703         * toplev.h (flag_ira): Remove.
30704
30705         * caller-save.c (setup_save_areas): Remove flag_ira.
30706
30707         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
30708
30709         * global.c: Remove the file.
30710
30711         * opts.c (decode_options): Remove flag_ira.
30712
30713         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
30714
30715         * regmove.c: Modify file description.
30716         (find_use_as_address, try_auto_increment): Define them only if
30717         AUTO_INC_DEC is defined.
30718         (replacement_quality, replace_in_call_usage, fixup_match_1,
30719         stable_and_no_regs_but_for_p): Remove.
30720         (reg_set_in_bb): Make it static.
30721         (regmove_optimize): Remove flag_ira and code which worked for
30722         !flag_ira.
30723
30724         * local-alloc.c: Remove the file.
30725
30726         * common.opt (fira): Remove.
30727
30728         * ira.c: Include except.h.
30729         (eliminable_regset): Move from global.c.
30730         (mark_elimination): Ditto.  Remove flag_ira.
30731         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
30732         equiv_mem_modified, validate_equiv_mem_from_store,
30733         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
30734         contains_replace_regs, memref_referenced_p, memref_used_between_p,
30735         no_equiv, recorded_label_ref): Move from local-alloc.c.
30736         (update_equiv_regs): Ditto.  Make it static.
30737         (print_insn_chain, print_insn_chains): Move it from global.c.
30738         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
30739         (build_insn_chain): Ditto.  Make it static.
30740         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
30741         Rename to init_live_subregs.
30742         (gate_ira): Remove flag_ira.
30743
30744         * regclass.c: Rename reginfo.c.  Change file description.
30745         (FORBIDDEN_INC_DEC_CLASSES): Remove.
30746         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
30747         (init_reg_sets_1): Remove code for evaluation of
30748         reg_class_superclasses and losing_caller_save_reg_set.
30749         (init_regs): Remove init_reg_autoinc.
30750         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
30751         ok_for_base_p_nonstrict): Remove.
30752         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
30753         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
30754         corresponding entries.
30755         (dump_regclass, record_operand_costs, scan_one_insn,
30756         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
30757         record_address_regs, auto_inc_dec_reg_p): Remove.
30758         (gt-regclass.h): Rename to gt-reginfo.h.
30759
30760         * rtl.h (dump_global_regs, retry_global_alloc,
30761         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
30762
30763         * Makefile.in (RA_H): Remove.
30764         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
30765         Rename regclass.o to reginfo.o.
30766         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
30767         gt-reginfo.h.
30768         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
30769         (GTFILES): Rename regclass.c to reginfo.c.
30770
30771         * passes.c (init_optimization_passes): Remove pass_local_alloc and
30772         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
30773
30774         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
30775         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
30776         Remove flag_ira.
30777         (finish_spills): Ditto.  Remove code for !flag_ira.
30778
30779 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
30780
30781         PR middle-end/35854
30782         * doc/invoke.texi (rtl debug options): Complete rewrite.
30783         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
30784         to auto_inc_dec".
30785         * mode-switching.c (pass_mode_switching): Rename pass from
30786         "mode-sw" to "mode_sw".
30787         * except.c (pass_convert_to_eh_ranges): Rename pass from
30788         "eh-ranges" to "eh_ranges".
30789         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
30790         to "subreg1".
30791
30792
30793 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
30794             Alexander Monakov  <amonakov@ispras.ru>
30795
30796         PR middle-end/38857
30797         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
30798         register.
30799         (move_exprs_to_boundary): Change return type and pass through
30800         should_move from move_op.  Relax assert.  Update usage ...
30801         (schedule_expr_on_boundary): ... here.  Use should_move instead of
30802         cant_move.
30803         (move_op_orig_expr_found): Indicate that insn was disconnected from
30804         stream.
30805         (code_motion_process_successors): Do not call after_merge_succs
30806         callback if original expression was not found when traversing any of
30807         the branches.
30808         (code_motion_path_driver): Change return type.  Update prototype.
30809         (move_op): Update comment.  Add a new parameter (should_move).  Update
30810         prototype.  Set *should_move based on indication provided by
30811         move_op_orig_expr_found.
30812
30813 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
30814
30815         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
30816         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
30817         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
30818         * config/rs6000/rs6000.c (rs6000_override_options): Default
30819         avoid-indexed-addresses on for Power6, off for everything else.
30820         (avoiding_indexed_address_p): New function.
30821         (rs6000_legitimize_address): Use it.
30822         (rs6000_legitimate_address): Likewise.
30823         * config/rs6000/rs6000.md (movXX_updateX): Likewise
30824
30825 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
30826
30827         PR tree-optimization/38997
30828         * tree-loop-distribution.c (generate_memset_zero): Use
30829         POINTER_PLUS_EXPR for a pointer addition.
30830
30831 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
30832
30833         * config/s390/s390.md (bswap<mode>2): New pattern added.
30834
30835 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
30836
30837         * config/s390/s390.md (*tls_load_31): Added type attribute.
30838
30839 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
30840
30841         * config/s390/s390.md: Fix a few comments.
30842
30843 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
30844
30845         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
30846         (*tm<mode>_full): Fixed z10prop attribute.
30847         (*tst<mode>_extimm): Fixed z10prop attribute.
30848         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
30849         (*tstqiCCT_cconly): Fixed z10prop attribute.
30850         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
30851         (*movsi_larl): Fixed z10prop attribute.
30852         (*movsi_zarch): Fixed z10prop attribute.
30853         (*movsi_eas): Fixed z10prop attribute.
30854         (*movhi): Fixed z10prop attribute.
30855         (*movqi): Fixed z10prop attribute.
30856         (*movstrictqi): Fixed z10prop attribute.
30857         (*mov<mode>): Fixed z10prop attribute.
30858         (*movcc): Fixed z10prop attribute.
30859         (*sethighpartdi_64): Fixed z10prop attribute.
30860         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
30861         (*negdi2_sign_cc): Fixed z10prop attribute.
30862         (*negdi2_sign): Fixed z10prop attribute.
30863         (*absdi2_sign_cc): Fixed z10prop attribute.
30864         (*absdi2_sign): Fixed z10prop attribute.
30865         (*negabsdi2_sign_cc): Fixed z10prop attribute.
30866         (*negabsdi2_sign): Fixed z10prop attribute.
30867         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
30868         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
30869         (doloop_si64): Fixed z10prop attribute.
30870         (doloop_si31): Fixed z10prop attribute.
30871         (doloop_long): Fixed z10prop attribute.
30872         (indirect_jump): Fixed z10prop attribute.
30873         (nop): Fixed z10prop attribute.
30874         (main_base_64): Fixed z10prop attribute.
30875         (reload_base_64): Fixed z10prop attribute.
30876
30877 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
30878
30879         PR rtl-optimization/38740
30880         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
30881         if !optimize.
30882         * config/mips/mips.c (mips_reorg): Likewise.
30883
30884 2009-01-28  Richard Guenther  <rguenther@suse.de>
30885
30886         PR tree-optimization/38926
30887         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
30888         with the correct value id to a value.
30889         (do_regular_insertion): Use the value number of edoubleprime
30890         for the value number of the expr.
30891
30892         Revert
30893         2008-08-21  Richard Guenther  <rguenther@suse.de>
30894
30895         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
30896         a PHI ask VN if it is already available.
30897         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
30898         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
30899
30900 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
30901
30902         PR middle-end/38934
30903         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
30904         set to varying whenever max has TREE_OVERFLOW set, similarly
30905         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
30906
30907 2009-01-28  Richard Guenther  <rguenther@suse.de>
30908
30909         PR middle-end/38908
30910         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
30911         uninitialized aggregate uses in call arguments.
30912
30913 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
30914
30915         PR tree-optimization/38984
30916         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
30917         the nothing_id variable if -fno-delete-null-pointer-checks.
30918
30919 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
30920
30921         PR target/38988
30922         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
30923         (set_got_offset_rex64): Ditto.
30924
30925 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
30926
30927         PR target/38941
30928         * doc/extend.texi: Improve local variable with asm reg.
30929
30930 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
30931
30932         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
30933         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
30934         was not supplied then set warn_packed_bitfield_compat to the
30935         default value of 1.
30936         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
30937         against 1.
30938
30939 2009-01-27  Richard Guenther  <rguenther@suse.de>
30940
30941         PR tree-optimization/38503
30942         * cfgexpand.c (expand_gimple_basic_block): Ignore
30943         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
30944         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
30945         variables that cannot have TBAA applied.
30946         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
30947         statements.
30948
30949 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
30950
30951         PR middle-end/38969
30952         * calls.c (initialize_argument_information): Do not wrap complex
30953         arguments in SAVE_EXPR.
30954
30955 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
30956
30957         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
30958         (INSTALL_LIBGCC): Revert typo commit.
30959
30960 2009-01-26  Richard Guenther  <rguenther@suse.de>
30961
30962         PR tree-optimization/38745
30963         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
30964         from special handling.
30965
30966 2009-01-26  Richard Guenther  <rguenther@suse.de>
30967
30968         PR tree-optimization/38745
30969         * tree-ssa.c (execute_update_addresses_taken): Do not include
30970         variables that cannot possibly be a register in not_reg_needs.
30971         Do not clear TREE_ADDRESSABLE on vars that may not become
30972         registers.
30973         * tree-ssa.c (update_alias_info_1): Include those in the set
30974         of addressable vars.
30975
30976 2009-01-26  Richard Guenther  <rguenther@suse.de>
30977
30978         PR middle-end/38851
30979         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
30980         * tree-ssa-dse.c: Include langhooks.h
30981         (execute_simple_dse): Remove stores with zero size.
30982
30983 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
30984
30985         PR c/38957
30986         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
30987         as PLUS_EXPR.
30988
30989 2009-01-24  Julian Brown  <julian@codesourcery.com>
30990
30991         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
30992         config/arm/linux-atomic.c.
30993         * config/arm/linux-atomic.c: New.
30994
30995 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
30996
30997         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
30998         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
30999         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
31000
31001 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
31002
31003         PR c/38938
31004         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
31005         properly.
31006
31007 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
31008
31009         PR tree-optimization/38953
31010         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
31011         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
31012         (gloog): Split the exit of the scop when the scop exit is a loop exit.
31013         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
31014         changed the CFG.
31015
31016 2009-01-24  Paul Brook  <paul@codesourcery.com>
31017
31018         * config/arm/neon.md (neon_type): Move to arm.md.
31019         (neon_mov<VSTRUCT>): Add neon_type attribute.
31020         * config/arm/arm.md (neon_type): Move to here.
31021         (conds): Add "unconditioal" and use as default for NEON insns.
31022
31023 2009-01-24  Ben Elliston  <bje@au.ibm.com>
31024
31025         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
31026         void *' warning from -Wc++-compat.
31027         * Makefile.in (dominance.o-warn): Remove.
31028
31029 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
31030
31031         PR tree-optimization/38932
31032         * fold-const.c (fold_unary_ignore_overflow): New.
31033         * tree.h (fold_unary_ignore_overflow): Declare.
31034         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
31035         * tree-ssa-sccvn.c (visit_reference_op_load,
31036         simplify_unary_expression): Likewise.
31037
31038 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
31039
31040         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
31041         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
31042         regardless of their type.
31043         * c-common.c (handle_packed_attribute): Don't ignore packed on
31044         bitfields.
31045         * c.opt (Wpacked-bitfield-compat): New warning option.
31046         * stor-layout.c (place_field): Warn if offset of a field changed.
31047         * doc/extend.texi (packed): Mention the ABI change.
31048         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
31049         (Warning Options): Add it to the list.
31050
31051 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
31052
31053         * c-opts.c (c_common_post_options): Fix a typo in comments.
31054
31055 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
31056
31057         PR middle-end/38615
31058         * gimplify.c (gimplify_init_constructor): Fix promotion of const
31059         variables to static.
31060         * doc/invoke.texi (-fmerge-all-constants): Update description.
31061
31062 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
31063
31064         PR target/38931
31065         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
31066         (*movdi_1_rex64): Use type "mmx" for alternative 5.
31067
31068 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
31069
31070         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
31071         a word boundary.
31072         (LOCAL_ALIGNMENT): Similarly.
31073
31074 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
31075             Joseph Myers  <joseph@codesourcery.com>
31076
31077         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
31078         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
31079         * config/arm/arm-tune.md: Regenerate.
31080         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
31081         -march=iwmmxt2.
31082
31083 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
31084
31085         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
31086         version number to five.
31087
31088 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
31089
31090         PR c++/38930
31091         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
31092         * c-common.c (set_underlying_type): Likewise.
31093         (is_typedef_decl ): Likewise
31094         * tree.h: Likewise
31095         (set_underlying_type): Likewise.
31096         (is_typedef_type): Likewise.
31097
31098 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
31099
31100         PR middle-end/38587
31101         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
31102         crossing setjmps.
31103
31104 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
31105
31106         PR bootstrap/37660
31107         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
31108         (LIBGCC_SPEC):  Don't define.
31109         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
31110
31111 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
31112
31113         PR rtl-optimization/38879
31114         * alias.c (base_alias_check): Unaligned access via AND address can
31115         alias all surrounding object types except those with sizes equal
31116         or wider than the size of unaligned access.
31117
31118 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
31119
31120         PR c++/26693
31121         * c-decl.c (clone_underlying_type): Move this ...
31122         * c-common.c (set_underlying_type): ... here.
31123         Also, make sure the function properly sets TYPE_STUB_DECL() on
31124         the newly created typedef variant type.
31125         (is_typedef_decl ): New entry point.
31126         * tree.h: Added a new member member_types_needing_access_check to
31127         struct tree_decl_non_common.
31128         (set_underlying_type): New entry point.
31129         (is_typedef_type): Likewise.
31130
31131 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
31132
31133         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
31134         Check whether two instructions have memory references that
31135         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
31136         are helper functions for traversing.
31137         * alias.h (insn_alias_sets_confilict_p): New prototypes.
31138         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
31139         not to draw dependency edge for instructions with non-conflicting
31140         alias sets.
31141
31142 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
31143
31144         PR other/38758
31145         * longlong.h: Update copyright years.  Use soft-fp license notice.
31146         Sync __clz_tab declaration with glibc.
31147
31148 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
31149
31150         PR target/30687
31151         * doc/extend.texi (syscall_linkage): New.
31152         (version_id): Modify.
31153
31154 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
31155             Richard Guenther  <rguenther@suse.de>
31156
31157         PR tree-optimization/38747
31158         PR tree-optimization/38748
31159         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
31160         conversion if the base address is an indirect reference and the
31161         aliasing sets could cause issues.
31162
31163 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
31164
31165         * common.opt (fgraphite, fgraphite-identity): Add comment for
31166         explaining why these options are not documented.
31167
31168 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
31169
31170         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
31171         gimple_call_lhs is NULL.
31172
31173 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
31174
31175         PR target/38868
31176         * emit-rtl.c (adjust_address_1): Make sure memref is never
31177         overwritten.
31178
31179 2009-01-20  Ben Elliston  <bje@au.ibm.com>
31180
31181         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
31182         const qualifier from arg parameter. Remove unnecessary cast to char *.
31183         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
31184         const qualifier from arg 2.
31185
31186 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
31187
31188         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
31189
31190 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
31191
31192         PR c/38869
31193         * rtl.h (reinit_regs): New prototype.
31194         * regclass.c: Include ira.h.
31195         (reinit_regs): New.
31196         * Makefile.in (regclass.o): Add ira.h.
31197         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
31198
31199 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
31200
31201         PR target/38736
31202         * c-common.c (handle_aligned_attribute): Use
31203         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
31204         default alignment value.
31205
31206         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
31207
31208         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
31209         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
31210
31211         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
31212         __BIGGEST_ALIGNMENT__.
31213
31214         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
31215
31216 2009-01-18  Richard Guenther  <rguenther@suse.de>
31217
31218         PR tree-optimization/38819
31219         * tree-flow.h (operation_could_trap_helper_p): Declare.
31220         * tree-eh.c (operation_could_trap_helper_p): Export.
31221         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
31222         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
31223         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
31224         are about to insert a possibly trapping instruction and fail
31225         in this case.
31226
31227 2009-01-18  Andreas Schwab  <schwab@suse.de>
31228
31229         * doc/install.texi (Configuration): Remove obsolete paragraph
31230         about use of --with-gnu-ld with --with-gnu-as.
31231
31232 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
31233
31234         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
31235         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
31236         Follow spelling conventions.
31237
31238 2009-01-18  Ben Elliston  <bje@au.ibm.com>
31239
31240         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
31241         C++ warning about implicit conversion from void * to struct
31242         bitmap_head_def *.
31243         (bitmap_obstack_free): Likewise for bitmap_element *.
31244         * Makefile.in (bitmap.o-warn): Remove.
31245
31246 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
31247
31248         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
31249
31250 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
31251             Tobias Grosser  <tobi.grosser@amd.com>
31252
31253         * graphite.c (graphite_trans_scop_block): Do not block single
31254         nested loops.
31255
31256 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
31257
31258         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
31259         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
31260         test with assertion.
31261
31262 2009-01-16  Richard Guenther  <rguenther@suse.de>
31263
31264         PR tree-optimization/38835
31265         PR middle-end/36227
31266         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
31267         and INT + PTR -> (INT)(PTR p+ INT) folding.
31268         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
31269
31270 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
31271
31272         PR target/38554
31273         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
31274         the subreg from a lowpart subreg if it is also casting the value.
31275
31276 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
31277             Tobias Grosser  <tobi.grosser@amd.com>
31278
31279         * graphite.c (compare_prefix_loops): New.
31280         (build_scop_canonical_schedules): Rewritten.
31281         (graphite_transform_loops): Move build_scop_canonical_schedules
31282         after build_scop_iteration_domain.
31283
31284 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
31285             Tobias Grosser  <tobi.grosser@amd.com>
31286
31287         * graphite.c (add_conditions_to_domain): Add the loops to
31288         the dimension of the iteration domain.  Do copy the domain
31289         only when it exists.
31290         (build_scop_conditions_1): Do not call add_conditions_to_domain.
31291         (add_conditions_to_constraints): New.
31292         (can_generate_code_stmt, can_generate_code): Removed.
31293         (gloog): Do not call can_generate_code.
31294         (graphite_transform_loops): Call add_conditions_to_constraints
31295         after building the iteration domain.
31296
31297 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
31298
31299         PR tree-optimization/38789
31300         * tree-ssa-threadedge.c
31301         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
31302         __builtin_constant_p.
31303
31304 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
31305
31306         * dce.c (delete_unmarked_insns): Reversed the order that insns are
31307         examined before deleting them.
31308
31309 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
31310
31311         * function.c (aggregate_value_p): Correctly extract the function
31312         type from CALL_EXPR_FN lookup.
31313
31314 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
31315
31316         * config/picochip/picochip.c (picochip_override_options): Revert
31317         CFI asm flag disable commited previously.
31318
31319 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
31320             Tobias Grosser  <tobi.grosser@amd.com>
31321             Jan Sjodin  <jan.sjodin@amd.com>
31322
31323         * graphite.c (scan_tree_for_params): On substractions negate
31324         all the coefficients of the term.
31325         (clast_to_gcc_expression_red): New.  Handle reduction expressions
31326         of more than two operands.
31327         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
31328         (get_vdef_before_scop): Handle also the case of default definitions.
31329
31330 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
31331
31332         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
31333         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
31334         Also use them when walking CALL_INSN_FUNCTION_USAGE.
31335
31336 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
31337             Joey Ye  <joey.ye@intel.com>
31338
31339         PR middle-end/37843
31340         * cfgexpand.c (expand_stack_alignment): Don't update stack
31341         boundary nor check incoming stack boundary here.
31342         (gimple_expand_cfg): Update stack boundary and check incoming
31343         stack boundary here.
31344
31345 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
31346
31347         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
31348
31349 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
31350
31351         PR rtl-optimization/38245
31352         * calls.c (expand_call): Add stack arguments to
31353         CALL_INSN_FUNCTION_USAGE even for pure calls (when
31354         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
31355         in regs and partially in memory or BLKmode arguments.
31356         (emit_library_call_value_1): Add stack arguments to
31357         CALL_INSN_FUNCTION_USAGE even for pure calls (when
31358         ACCUMULATE_OUTGOING_ARGS).
31359         * dce.c: Include tm_p.h.
31360         (find_call_stack_args): New function.
31361         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
31362         argument.
31363         (mark_insn): Call find_call_stack_args for CALL_Ps.
31364         (prescan_insns_for_dce): Walk insns backwards in bb rather than
31365         forwards.  Allocate and free arg_stores bitmap if needed, pass it
31366         down to deletable_insn_p, don't mark stores set in arg_stores
31367         bitmap, clear the bitmap at the beginning of each bb.
31368         * Makefile.in (dce.o): Depend on $(TM_P_H).
31369
31370 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
31371
31372         PR target/22599
31373         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
31374         to make sure the insn is a conditional test (bug 22599).  Reformat a
31375         few long lines.
31376
31377 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
31378
31379         PR middle-end/38431
31380         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
31381         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
31382         (gloog): Do not call cleanup_tree_cfg.
31383         (graphite_transform_loops): Call cleanup_tree_cfg after all
31384         scops have been code generated.
31385
31386 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
31387         * doc/gty.texi (Invoking the garbage collector): Added new node
31388         and section documenting ggc_collect.
31389
31390 2009-01-14  Richard Guenther  <rguenther@suse.de>
31391
31392         PR tree-optimization/38826
31393         PR middle-end/38477
31394         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
31395         initialization notes only if we actually emitted a warning.
31396         (intra_create_variable_infos): Add constraints for a result decl
31397         that is passed by hidden reference.
31398         (build_pred_graph): Mark all related variables non-direct on
31399         address-taking.
31400
31401 2009-01-14  Nick Clifton  <nickc@redhat.com>
31402
31403         * ira-conflicts.c: Include addresses.h for the definition of
31404         base_reg_class.
31405         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
31406         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
31407
31408 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
31409
31410         PR target/38811
31411         * Makefile.in (ira-lives.o): Add except.h.
31412
31413         * ira-lives.c: Include except.h.
31414         (process_bb_node_lives): Process can_throw_internal.
31415
31416 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
31417
31418         PR rtl-optimization/38774
31419         * combine.c (simplify_set): When undoing cc_use change, don't do
31420         PUT_CODE on the newly created comparison, but instead put back the
31421         old comparison.
31422
31423 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
31424
31425         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
31426         values.  Remove duplicate arm8 entry.
31427
31428 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
31429
31430         PR tree-optimization/38786
31431         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
31432         the SSA_NAME case of expand_scalar_variables_expr.
31433         Set the type of an expression to the type of its assign statement.
31434         (expand_scalar_variables_expr): Also gather the scalar computation
31435         used to index the memory access.  Do not pass loop_p.
31436         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
31437         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
31438         the gimple_stmt_iterator where it inserts new code.
31439         Do not pass loop_p.
31440         (copy_bb_and_scalar_dependences): Do not pass loop_p.
31441         (translate_clast): Update call to copy_bb_and_scalar_dependences.
31442
31443 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
31444
31445         * graphite.h (debug_value): Removed.
31446         * graphite.c (debug_value): Removed.
31447
31448 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
31449
31450         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
31451         ldrd/strd with two 32-bit instructions.
31452
31453 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
31454
31455         * config/arm/arm.c (struct processors): Pass for speed down into
31456         cost helper functions.
31457         (const_ok_for_op): Handle COMPARE and inequality nodes.
31458         (arm_rtx_costs_1): Rewrite.
31459         (arm_size_rtx_costs): Update prototype.
31460         (arm_rtx_costs): Pass speed down to helper functions.
31461         (arm_slowmul_rtx_costs): Rework cost calculations.
31462         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
31463         (arm_9e_rtx_costs): Likewise.
31464
31465 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
31466
31467         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
31468         relocations of local symbols wider than UNITS_PER_WORD are not valid.
31469         (alpha_legitimize_address): Do not split local symbols wider than
31470         UNITS_PER_WORD into HIGH/LO_SUM parts.
31471
31472 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
31473
31474         PR bootstrap/38580
31475         * gcc.c (process_command): Replace call to execvp with calls
31476         to pex_one and exit.
31477
31478 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
31479
31480         PR target/29141
31481         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
31482         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
31483         variant for devices with 3-byte PC.
31484         (__tablejump_elpm__): New.
31485
31486 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
31487
31488         PR c/32041
31489         * c-parser.c (c_parser_postfix_expression): Allow `->' in
31490         offsetof member-designator, handle it as `[0].'.
31491
31492 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
31493
31494         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
31495         function when not using named sections on targets with named sections
31496         if branch distance is less than 262132.
31497
31498 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
31499
31500         * combine.c (combine_instructions):  Recompute
31501         optimize_this_for_speed_p  for each BB in the main combine loop.
31502
31503 2009-01-12  Tomas Bily  <tbily@suse.cz>
31504
31505         PR middlend/38385
31506         * tree-loop-distribution.c (prop_phis): New function.
31507         (generate_builtin): Call prop_phis.
31508
31509 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
31510
31511         PR tree-optimization/38807
31512         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
31513         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
31514
31515 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
31516
31517         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
31518         subreg of op0 to the original op0.
31519
31520 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
31521
31522         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
31523
31524 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
31525
31526         PR debug/7055
31527         * mips-tfile.c (parse_def): Fix parsing of def strings
31528         starting with digits.
31529
31530 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
31531
31532         PR target/38695
31533         * config/arm/arm.c (arm_is_long_call_p): Don't call
31534         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
31535
31536 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
31537
31538         * regrename.c (regrename_optimize): Fix dumping.
31539         (find_oldest_value_reg): Preserve REG_POINTER.
31540         (copy_hardreg_forward_1): Likewise.
31541
31542 2009-01-09  Diego Novillo  <dnovillo@google.com>
31543
31544         * gimple.h (struct gimple_statement_base) <uid>: Document
31545         the restrictions on its use.
31546         (gimple_uid): Tidy.
31547         (gimple_set_uid): Tidy.
31548
31549 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
31550
31551         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
31552         zero guard even if align_bytes != 0 and count is smaller than
31553         size_needed.
31554
31555 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
31556
31557         PR rtl-optimization/38495
31558         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
31559         (add_range_and_copies_from_move_list): Print all added ranges.
31560         Add ranges to memory optimized destination.
31561
31562 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
31563
31564         PR target/38686
31565         PR target/38708
31566         * config/i386/i386.c (override_options): Reject
31567         -mstringop-strategy=rep_8byte with -m32.
31568         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
31569         to 1.  Do count comparison against epilogue_size_needed at compile
31570         time even when count_exp was constant forced into register.  For
31571         size_needed don't jump to epilogue, instead just avoid aligning
31572         and invoke the body algorithm.  If need_zero_guard, add zero guard
31573         even if count is non-zero, but smaller than size_needed + number of
31574         bytes that could be stored for alignment.
31575         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
31576         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
31577         but smaller than size_needed + number of bytes that could be stored
31578         for alignment.  Compare size_needed with epilogue_size_needed instead
31579         of desired_align - align, don't adjust size_needed, pass
31580         epilogue_size_needed to the epilogue expanders.
31581
31582         PR c/35742
31583         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
31584
31585 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
31586
31587         * pa.c (last_address): Change to unsigned.
31588         (update_total_code_bytes): Change argument to unsigned.  Don't
31589         check if insn addresses are set.
31590         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
31591         addresses are not set.
31592         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
31593
31594 2009-01-09  Nick Clifton  <nickc@redhat.com>
31595
31596         * config/sh/symbian.c: Replace uses of DECL_INLINE with
31597         DECL_DECLARED_INLINE_P.
31598
31599 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
31600
31601         PR middle-end/38347
31602         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
31603         GET_MODE (op0) in operand_subword_force calls.
31604
31605         PR middle-end/38771
31606         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
31607         fold_convert arg0 operands to TREE_TYPE (op0) first.
31608
31609 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
31610
31611         * params.def (ira-max-conflict-table-size): Decrease default value
31612         to 1000.
31613
31614 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
31615
31616         PR tree-optimization/37031
31617         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
31618         on parameter_set.
31619         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
31620         allocate it using gc instead of heap, use VEC_quick_push instead of
31621         VEC_safe_push.
31622         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
31623         instead of heap, use VEC_quick_push instead of VEC_safe_push.
31624         * tree-data-ref.h (struct access_matrix): Change matrix to gc
31625         allocated vector from heap allocated.
31626         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
31627         * tree-loop-linear.c (linear_transform_loops): Allocate nest
31628         vector only after perfect_loop_nest_depth call.
31629
31630 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
31631             Jan Sjodin  <jan.sjodin@amd.com>
31632
31633         PR tree-optimization/38559
31634         * graphite.c (debug_value, copy_constraint,
31635         swap_constraint_variables, scale_constraint_variable, ): New.
31636         (get_lower_bound, get_upper_bound): Removed.
31637         (graphite_trans_bb_strip_mine): Clean up this code that works
31638         only for constant number of iterations.  Fully copy upper and
31639         lower bound constraints, not only the constant part of them.
31640         * graphite.h (debug_value): Declared.
31641
31642 2009-01-08  Ira Rosen  <irar@il.ibm.com>
31643
31644         PR tree-optimization/37194
31645         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
31646         Don't add the cost of cost model guard in prologue to scalar
31647         outside cost in case of known number of iterations.
31648
31649 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
31650             Alan Modra  <amodra@bigpond.net.au>
31651
31652         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
31653         non-word-aligned REG+CONST addressing.
31654
31655 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
31656
31657         PR target/38706
31658         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
31659         free_after_compilation when outputting a thunk.
31660         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
31661         Do not call free_after_compilation here.
31662
31663 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
31664
31665         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
31666         (ix86_valid_target_attribute_inner_p): Ditto.
31667
31668 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
31669
31670         PR tree-optimization/38492
31671         PR tree-optimization/38498
31672         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
31673         * tree-chrec.h (scev_is_linear_expression): Declared.
31674         * graphite.c (graphite_cannot_represent_loop_niter): New.
31675         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
31676         (graphite_loop_normal_form): Use gcc_assert.
31677         (scan_tree_for_params): Use CASE_CONVERT.
31678         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
31679         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
31680         Use gcc_assert.  Discard scops that contain unhandled cases.
31681         (build_scop_conditions): Return a boolean status for unhandled cases.
31682         (strip_mine_profitable_p): Print the loop number, not its depth.
31683         (is_interchange_valid): Pass the depth of the loop nest, don't
31684         recompute it wrongly.
31685         (graphite_trans_bb_block): Same.
31686         (graphite_trans_bb_block): Print tentative of loop blocking.
31687         (graphite_trans_scop_block): Do not print that the loop has been
31688         blocked.
31689         (graphite_transform_loops): Do not handle scops that contain condition
31690         scalar phi nodes.
31691
31692 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
31693
31694         AVX Programming Reference (December, 2008)
31695         * config/i386/avxintrin.h (_mm256_stream_si256): New.
31696         (_mm256_stream_pd): Likewise.
31697         (_mm256_stream_ps): Likewise.
31698
31699         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
31700         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
31701         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
31702         (bdesc_special_args): Add __builtin_ia32_movntdq256,
31703         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
31704         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
31705         (ix86_expand_special_args_builtin): Likewise.
31706
31707         * config/i386/sse.md (AVXMODEDI): New.
31708         (avx_movnt<mode>): Likewise.
31709         (avx_movnt<mode>): Likewise.
31710         (<sse>_movnt<mode>): Remove AVX support.
31711         (sse2_movntv2di): Likewise.
31712
31713 2009-01-07  Richard Guenther  <rguenther@suse.de>
31714
31715         PR middle-end/38751
31716         * fold-const.c (extract_muldiv): Remove obsolete comment.
31717         (fold_plusminus_mult_expr): Undo MINUS_EXPR
31718         to PLUS_EXPR canonicalization for the canonicalization.
31719
31720 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
31721
31722         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
31723         hosted cross-compilers generating less efficient code.
31724
31725 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
31726
31727         * function.h (rtl_data): Add a dbr_scheduled_p field.
31728         * reorg.c (dbr_schedule): Set it.
31729         (gate_handle_delay_slots): Check it.
31730         * config/mips/mips.c (mips_base_delayed_branch): Delete.
31731         (mips_reorg): Check flag_delayed_branch instead of
31732         mips_base_delayed_branch.
31733         (mips_override_options): Don't set mips_base_delayed_branch
31734         or flag_delayed_branch.
31735
31736 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
31737
31738         PR rtl-optimization/38426.
31739         * ira.c (ira): Set current_function_is_leaf earlier.
31740
31741 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
31742
31743         PR rtl-optimization/38722
31744         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
31745         too early, only set a flag and modify after last possible
31746         undo_all point.
31747
31748 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
31749
31750         PR c/34252
31751         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
31752         * real.c (decimal_single_format): Correct values of emin and emax.
31753         (decimal_double_format): Ditto.
31754         (decimal_quad_format): Ditto.
31755         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
31756         computation of DECnn_MIN and DECnn_MAX for corrected values of
31757         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
31758         __DECnn_MIN__, and adjust its computation for the corrected value
31759         of emin.
31760
31761 2009-01-06  Jan Hubicka  <jh@suse.cz>
31762
31763         PR target/38744
31764         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
31765
31766 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
31767
31768         * doc/contrib.texi (Contributors): Slightly adjust the end note.
31769         Add Robert Clark to the list of testers.
31770
31771 2009-01-06  Jan Hubicka  <jh@suse.cz>
31772             Kai Tietz  <kai.tietz@onevision.com>
31773
31774         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
31775         * config/i386/i386.c (ix86_expand_call): Add clobbers.
31776
31777 2009-01-06  Jan Hubicka  <jh@suse.cz>
31778             Kai Tietz  <kai.tietz@onevision.com>
31779
31780         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
31781         for w64 ABI.
31782         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
31783         (ix86_nsaved_regs): Count only general purpose regs.
31784         (ix86_nsaved_sseregs): New.
31785         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
31786         to 16 for w64; compute padding and size of sse reg save area.
31787         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
31788         general purpose regs.
31789         (ix86_emit_save_sse_regs_using_mov): New.
31790         (ix86_expand_prologue): Save SSE regs if needed.
31791         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
31792         (ix86_emit_restore_sse_regs_using_mov): New.
31793         (ix86_expand_epilogue): Save SSE regs if needed.
31794
31795 2009-01-06  Jan Hubicka  <jh@suse.cz>
31796             Kai Tietz  <kai.tietz@onevision.com>
31797
31798         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
31799         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
31800         functions when accumulate outgoing args is off.
31801
31802 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
31803
31804         PR bootstrap/38742
31805         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
31806         before using pseudos_have_intersected_live_ranges_p.
31807
31808         * ira-int.h (ira_assert): Always define.
31809
31810 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
31811
31812         AVX Programming Reference (December, 2008)
31813         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
31814         (_mm256_permute2_pd): Likewise.
31815         (_mm_permute2_ps): Likewise.
31816         (_mm256_permute2_ps): Likewise.
31817         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
31818         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
31819
31820         * config/i386/i386.c (ix86_builtins): Remove
31821         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
31822         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
31823         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
31824         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
31825         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
31826         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
31827         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
31828         __builtin_ia32_vpermil2ps256.
31829         (ix86_init_mmx_sse_builtins): Updated.
31830         (ix86_expand_args_builtin): Likewise.
31831
31832 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
31833
31834         * pa.c (output_call): Relocate non-jump insns in the delay slot of
31835         long absolute calls when generating PA 2.0 code.
31836
31837 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
31838
31839         PR rtl-optimization/38583
31840         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
31841
31842         * params.def (ira-max-conflict-table-size): New.
31843
31844         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
31845
31846         * ira.h (ira_conflicts_p): New external definition.
31847
31848         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
31849         table.  Report this.  Return result of building.
31850         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
31851         building conflict table.
31852
31853         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
31854         (ira_color): Use ira_conflicts_p.
31855
31856         * global.c: Include ira.h.
31857         (pseudo_for_reload_consideration_p, build_insn_chain): Use
31858         ira_conflicts_p.
31859
31860         * Makefile.in (global.o): Add ira.h.
31861
31862         * ira-build.c (mark_all_loops_for_removal,
31863         propagate_some_info_from_allocno): New.
31864         (remove_unnecessary_allocnos): Call
31865         propagate_some_info_from_allocno.
31866         (remove_low_level_allocnos): New.
31867         (remove_unnecessary_regions): Add parameter.  Call
31868         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
31869         parameter to remove_unnecessary_regions.
31870         (ira_build): Remove all regions but root if the conflict table was
31871         not built.  Update conflict hard regs for allocnos crossing calls.
31872
31873         * ira.c (ira_conflicts_p): New global.
31874         (ira): Define and use ira_conflicts_p.
31875
31876         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
31877         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
31878         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
31879
31880 2009-01-06  Ben Elliston  <bje@au.ibm.com>
31881
31882         * gengtype-lex.l (YY_NO_INPUT): Define.
31883
31884 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
31885
31886         PR c/34911
31887         * c-common.c (handle_vector_size_attribute): Also reject
31888         BOOLEAN_TYPE types.
31889
31890 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
31891
31892         PR tree-optimization/38492
31893         * graphite.c (rename_map_elt, debug_rename_elt,
31894         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
31895         rename_map_elt_info, eq_rename_map_elts,
31896         get_new_name_from_old_name, bb_in_sese_p): Moved around.
31897         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
31898         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
31899         (sese_build_livein_liveouts): New.
31900         (new_sese, free_sese): New.
31901         (new_scop): Call new_sese.
31902         (free_scop): Call free_sese.
31903         (rename_variables_from_edge, rename_phis_end_scop): Removed.
31904         (register_old_new_names): Renamed register_old_and_new_names.
31905         (register_scop_liveout_renames, add_loop_exit_phis,
31906         insert_loop_close_phis, struct igp,
31907         default_liveout_before_guard, add_guard_exit_phis,
31908         insert_guard_phis, copy_renames): New.
31909         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
31910         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
31911         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
31912         (scop_adjust_phis_for_liveouts): New.
31913         (gloog): Call scop_adjust_phis_for_liveouts.
31914
31915         * graphite.h (struct sese): Documented.  Added fields liveout,
31916         num_ver and livein.
31917         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
31918         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
31919         (struct scop): Added field liveout_renames.
31920         (SCOP_LIVEOUT_RENAMES): New.
31921
31922 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
31923
31924         PR tree-optimization/38510
31925         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
31926         (translate_clast): Call recompute_all_dominators before
31927         graphite_verify.
31928         (gloog): Call recompute_all_dominators before graphite_verify.
31929
31930 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
31931             Jan Sjodin  <jan.sjodin@amd.com>
31932
31933         PR tree-optimization/38500
31934         * graphite.c (create_sese_edges): Call fix_loop_structure after
31935         splitting blocks.
31936
31937 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
31938
31939         * config.gcc: Add m32r*-*-rtems*.
31940         * config/m32r/rtems.h: New file.
31941
31942 2009-01-05  Ben Elliston  <bje@au.ibm.com>
31943
31944         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
31945         (.po.pox): Likewise.
31946         (po/gcc.pot): Likewise.
31947
31948 2009-01-04  David S. Miller  <davem@davemloft.net>
31949
31950         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
31951         (STARTING_FRAME_OFFSET): Always set to zero.
31952
31953 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
31954
31955         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
31956         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
31957         fixed-point types, and vectors of the same.
31958
31959 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
31960
31961         * config/mips/sync.md (*mb_barrier): Rename to...
31962         (*memory_barrier): ...this.
31963
31964 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
31965
31966         * doc/extend.texi (Function Attributes): Move @cindex after @item
31967         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
31968         and put in alphabetical order. Fix 'target' name and put in order.
31969         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
31970         typos.
31971
31972 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
31973
31974         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
31975         (memory_barrier): Expand as unspec instead of unspec_volatile.
31976         Remove mem:BLK from insn operands.  Use Pmode scratch register.
31977         (*memory_barrier): Define as unspec instead of unspec_volatile.
31978         Use (match_dup 0) as input operand.
31979
31980         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
31981         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
31982         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
31983         scratch register.  Remove operand 1.
31984         (*stbar): Define as unspec instead of unspec_volatile.
31985         Use (match_dup 0) as input operand, remove (const_int 8).
31986         (*membar): Define as unspec instead of unspec_volatile.
31987         Use (match_dup 0) as input operand, remove input operand 2.
31988
31989         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
31990         (memory_barrier): Expand as unspec instead of unspec_volatile.
31991         Remove mem:BLK from insn operands.  Use Pmode scratch register.
31992         (*memory_barrier): Define as unspec instead of unspec_volatile.
31993         Use (match_dup 0) as input operand.
31994
31995         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
31996         Remove mem:BLK from insn operands.  Use Pmode scratch register.
31997         Set volatile flag on operand 0.
31998         (*memory_barrier): New insn pattern.
31999
32000         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
32001         insn operands.
32002         (*memory_barrier): Use (match_dup 0) as input operand.
32003
32004         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
32005         Remove mem:BLK from insn operands.  Use Pmode scratch register.
32006         Set volatile flag on operand 0.
32007         (*mb_internal): New insn pattern.
32008
32009         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
32010
32011 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
32012
32013         PR middle-end/38586
32014         * function.c (struct temp_slot): Move to the section of the file
32015         that deals with temp slots.  Remove field 'address'.
32016         (temp_slot_address_table): New hash table of address -> temp slot.
32017         (struct temp_slot_address_entry): New struct, items for the table.
32018         (temp_slot_address_compute_hash, temp_slot_address_hash,
32019         temp_slot_address_eq, insert_temp_slot_address): Support functions
32020         for the new table.
32021         (find_temp_slot_from_address): Rewrite to use the new hash table.
32022         (remove_unused_temp_slot_addresses): Remove addresses of temp
32023         slots that have been made available.
32024         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
32025         worker function for remove_unused_temp_slot_addresses.
32026         (assign_stack_temp_for_type): Don't clear the temp slot address list.
32027         Add the temp slot address to the address -> temp slot map.
32028         (update_temp_slot_address): Update via insert_temp_slot_address.
32029         (free_temp_slots): Call remove_unused_temp_slot_addresses.
32030         (pop_temp_slots): Likewise.
32031         (init_temp_slots): Allocate the address -> temp slot map, or empty
32032         the map if it is already allocated.
32033         (prepare_function_start): Initialize temp slot processing.
32034
32035 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
32036
32037         PR middle-end/38584
32038         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
32039         Calculate the size of all stack vars assuming no packing of stack
32040         vars will happen, replacing a quadratic algorithm with a linear one.
32041
32042 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
32043
32044         PR target/38707
32045         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
32046         can't be used.
32047
32048 2009-01-03  Diego Novillo  <dnovillo@google.com>
32049
32050         * doc/contrib.texi: Update contributions.
32051
32052 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
32053
32054         PR c++/38705
32055         * builtins.c (fold_builtin_memory_op): Give up if either operand
32056         is volatile.  Set srctype or desttype to non-qualified version
32057         of the other type.
32058
32059         PR c/38700
32060         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
32061         and FUNCTION_DECLs.
32062
32063 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
32064
32065         PR rtl-optimization/35805
32066         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
32067         problem if fast dce is able to remove any instructions.
32068         * dce.c (dce_process_block): Fix dump message.
32069
32070 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
32071
32072         PR 33649
32073         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
32074
32075 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
32076
32077         PR middle-end/38690
32078         * tree-flow.h (op_code_prio, op_prio): New prototypes.
32079         * tree-pretty-print.c (op_code_prio): New function.
32080         (op_prio): No longer static.  Use op_code_prio.
32081         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
32082         Use op_prio and op_code_prio to determine if () should be
32083         printed around operand(s) or not.
32084
32085         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
32086         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
32087         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
32088         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
32089         pp_character instead of pp_string for single letter printing.
32090
32091 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
32092
32093         * doc/extend.texi: Fix '#pragma GCC option' typo.
32094
32095 2009-01-02  Richard Guenther  <rguenther@suse.de>
32096
32097         * doc/install.texi (--enable-checking): Mention different
32098         default for stage1.
32099         (--enable-stage1-checking): Document.
32100
32101 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
32102
32103         PR middle-end/30142
32104         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
32105         case to be an error.
32106
32107 2009-01-02  Ben Elliston  <bje@au.ibm.com>
32108
32109         * config/fp-bit.h (pack_d): Constify argument.
32110         * config/fp-bit.c (makenan): Constify return type. Remove casts.
32111         (isnan): Constify argument.
32112         (isinf): Likewise.
32113         (iszero): Likewise.
32114         (pack_d): Likewise.
32115         (_fpadd_parts): Constify return type.
32116         (_fpmul_parts): Likewise.
32117         (_fpdiv_parts): Likewise.
32118
32119 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
32120
32121         PR c/36489
32122         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
32123         warn about overwriting initializer with side-effects or
32124         -Woverride-init if !IMPLICIT.
32125         (output_init_element): Likewise.  Pass IMPLICIT down to
32126         add_pending_init.
32127         (process_init_element): Add IMPLICIT argument.  Pass it down
32128         to output_init_element.
32129         (push_init_element, pop_init_level, set_designator): Adjust
32130         process_init_element callers.
32131         (set_nonincremental_init, set_nonincremental_init_from_string):
32132         Adjust add_pending_init callers.
32133         (output_pending_init_elements): Adjust output_init_element callers.
32134         * c-tree.h (process_init_element): Adjust prototype.
32135         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
32136         process_init_element callers.
32137
32138 \f
32139 Copyright (C) 2009 Free Software Foundation, Inc.
32140
32141 Copying and distribution of this file, with or without modification,
32142 are permitted in any medium without royalty provided the copyright
32143 notice and this notice are preserved.