gcc/ChangeLog

   1 2010-05-11  Jan Hubicka  <jh@suse.cz>
   2
   3         PR tree-optimize/44063
   4         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of queue.
   5         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
   6         limits.
   7         (estimate_function_body_sizes): Compute sizes even when disregarding.
   8
   9 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
  10
  11         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
  12
  13 2010-05-11  Jan Hubicka  <jh@suse.cz>
  14
  15         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
  16         into every boundary.
  17
  18 2010-05-11  Jan Hubicka  <jh@suse.cz>
  19
  20         * matrix-reorg.c (matrix_reorg): Rebuild edges.
  21
  22 2010-05-11  Jan Hubicka  <jh@suse.cz>
  23
  24         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
  25         lto_streamer_cache_delete): Put nodes into heap.
  26         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
  27         heap.
  28
  29 2010-05-11  Jan Hubicka  <jh@suse.cz>
  30
  31         * cgraphbuild.c (cgraph_rebuild_references): New.
  32         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
  33         out extern inlines.
  34         * cgraph.h (cgraph_rebuild_references): Declare.
  35         * tree-inline.c (tree_function_versioning): Use it.
  36         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
  37
  38 2010-05-11  Jan Hubicka  <jh@suse.cz>
  39
  40         * cgraph.c: Include ipa-utils.h
  41         (cgraph_create_virtual_clone): Update references.
  42         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
  43
  44 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
  45
  46         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
  47         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
  48         cache size.
  49
  50 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
  51
  52         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
  53
  54 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
  55
  56         * gcc.c (execute): For -### don't quote arguments that
  57         contain just alphanumerics and _/-. characters.
  58         * doc/invoke.texi: Document that change for -###.
  59
  60         PR debug/44023
  61         * df-problems.c (struct dead_debug): Add to_rescan field.
  62         (dead_debug_init): Clear to_rescan field.
  63         (dead_debug_finish): Rescan all debug insns in to_rescan
  64         bitmap and free the bitmap.
  65         (dead_debug_insert_before): Instead of rescanning debug insns
  66         immediately queue their rescanning until dead_debug_finish.
  67         (df_note_bb_compute): After dead_debug_add do continue instead
  68         of break.
  69
  70 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
  71
  72         PR debug/44028
  73         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
  74         clear also INSN_REG_USE_LIST.
  75
  76 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  77
  78         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
  79
  80 2010-05-10  Jan Hubicka  <jh@suse.cz>
  81
  82         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
  83
  84 2010-05-10  Jan Hubicka  <jh@suse.cz>
  85
  86         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
  87         encoders.
  88         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
  89         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
  90         (lto_streamer_cache_create): Init alloc pool.
  91         (lto_streamer_cache_delete): Free alloc pool.
  92         * lto-streamer.h: Include alloc pool.
  93         (lto_streamer_cache_d): Use alloc pool.
  94         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
  95
  96 2010-05-10  Jan Hubicka  <jh@suse.cz>
  97
  98         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
  99         * cgraphbuild.c: Include except.h
 100         (record_type_list, record_eh_tables): New function.
 101         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
 102
 103 2010-05-10  Jan Hubicka  <jh@suse.cz>
 104
 105         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
 106         __frame_dummy_init_array_entry, force_to_data): Attribute as used
 107         rather than unused.
 108
 109 2010-05-10  Michael Matz  <matz@suse.de>
 110
 111         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
 112         (can_reassociate_p): Use FLOAT_TYPE_P.
 113         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
 114         (vect_force_simple_reduction): ... this.
 115         * tree-parloops.c (gather_scalar_reductions): Use
 116         vect_force_simple_reduction.
 117         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
 118         vect_is_simple_reduction, add modify argument, if true rewrite
 119         "a-b" into "a+(-b)".
 120         (vect_is_simple_reduction, vect_force_simple_reduction): New
 121         functions.
 122         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
 123
 124 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
 125             Vladimir Makarov  <vmakarov@redhat.com>
 126
 127         PR rtl-optimization/44012
 128         * ira-build.c (remove_unnecessary_allocnos): Nullify
 129         regno_allocno_map of the removed allocno.
 130
 131 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 132
 133         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
 134         to /dev/null.
 135         * configure: Regenerate.
 136
 137 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 138
 139         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
 140         unused.
 141         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
 142         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
 143         support in Sun ld.
 144         * configure: Regenerate.
 145
 146 2010-05-10  Richard Guenther  <rguenther@suse.de>
 147
 148         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
 149         marked if the entry identifier is marked.
 150
 151 2010-05-10  Richard Guenther  <rguenther@suse.de>
 152
 153         * c-common.c (struct c_common_attributes): Add fnspec attribute.
 154         (handle_fnspec_attribute): New function.
 155         * gimple.h (gimple_call_return_flags): Declare.
 156         (gimple_call_arg_flags): Likewise.
 157         * gimple.c (gimple_call_arg_flags): New function.
 158         (gimple_call_return_flags): Likewise.
 159         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
 160         New argument flags.
 161         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
 162         return value flags.
 163         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
 164         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
 165         main work to ...
 166         (make_heapvar_for): ... this new function.
 167         (handle_rhs_call): Handle fnspec attribute argument specifiers.
 168         (handle_lhs_call): Likewise.
 169         (find_func_aliases): Adjust.
 170
 171 2010-05-10  Richard Guenther  <rguenther@suse.de>
 172
 173         PR tree-optimization/44050
 174         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
 175
 176 2010-05-10  Wei Guozhi  <carrot@google.com>
 177
 178         PR target/42879
 179         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
 180
 181 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
 182
 183         PR c/10676
 184         * c-typeck.c (lookup_field): Take a type directly.  Update
 185         recursive calls.
 186         (build_component_ref): Update call to lookup_field.
 187         (set_init_label): Use lookup_field to find initialized field.
 188         Handle returned list of fields like a sequence of designators.
 189
 190 2010-05-09  Richard Guenther  <rguenther@suse.de>
 191
 192         PR middle-end/44024
 193         * fold-const.c (tree_single_nonzero_warnv_p): Properly
 194         handle &FUNCTION_DECL.
 195
 196 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
 197
 198         PR c/4784
 199         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
 200         structures and unions recursively.
 201         (detect_field_duplicates): Move duplicate detection with a hash to
 202         detect_field_duplicates_hash.  Always use a hash if anonymous
 203         structures or unions are present.
 204         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
 205         give errors.
 206
 207 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
 208
 209         PR target/44046
 210         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
 211         detect Atom, Core 2 and Core i7.
 212
 213 2010-05-09  Richard Guenther  <rguenther@suse.de>
 214
 215         * gcc.c (store_arg): Handle temporary file deletion for
 216         joined arguments.
 217
 218 2010-05-09  Richard Guenther  <rguenther@suse.de>
 219
 220         PR middle-end/44043
 221         * ipa-inline.c (estimate_function_body_sizes): Return after
 222         disregarding inline limits.
 223
 224 2010-05-09  Richard Guenther  <rguenther@suse.de>
 225
 226         * gcc.c (store_arg): Revert last change.
 227
 228 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
 229
 230         PR middle-end/28685
 231         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
 232         (optimize_ops_list): Call it.
 233
 234 2010-05-08  Richard Guenther  <rguenther@suse.de>
 235
 236         PR tree-optimization/44030
 237         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
 238         NECESSARY flag if we propagate from a inserted expression.
 239
 240 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
 241
 242         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
 243         domain types as equal if they are both PLACEHOLDER_EXPRs.
 244
 245 2010-05-08  Richard Guenther  <rguenther@suse.de>
 246
 247         * lto-wrapper.c (run_gcc): Remove linker output from
 248         command line for LTRANS invocation.
 249
 250 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
 251
 252         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
 253         lto-macho as lto_binary_reader.
 254         * target.h (struct gcc_target): New hooks lto_start and lto_end.
 255         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
 256         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
 257         in lto_start and lto_end calls.
 258         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
 259         magic numbers.
 260         (scan_prog_file): Update is_elf_or_coff call.
 261         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
 262
 263         * collect2.c (main): Fix enum comparison.
 264
 265         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
 266         Add prototypes.
 267         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
 268         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
 269         and TARGET_ASM_LTO_END.
 270         * darwin.c: Include obstack.h and lto-streamer.h.
 271         (lto_section_names_offset, lto_section_names_obstack,
 272         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
 273         global variables.
 274         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
 275         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
 276         to a temporary file.
 277         (darwin_asm_lto_end): New function.  Restore asm_out_file.
 278         (darwin_asm_named_section): For LTO sections, replace the name with
 279         the offset of the section name in a string table, and build this
 280         table.
 281         (darwin_file_start): Initialize global vars for LTO support.
 282         (darwin_file_end): If output to asm_out_file was redirected, append it
 283         to the proper asm_out_file here.  Add the section names section.
 284
 285 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
 286
 287         * c-pragma.c (pending_weak_d, pending_weak): New.
 288         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
 289         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
 290         handle_pragma_weak): Update the uses of pending_weaks.
 291
 292 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 293
 294         PR documentation/44016
 295         * doc/standards.texi (Standards): Link to unversioned
 296         cxx0x_status.html page.
 297
 298 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
 299
 300         PR target/43708
 301         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
 302         in addition to TREE_USED, to avoid "set but unused" warnings.
 303
 304 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
 305
 306         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
 307         (is_loop_prefetching_profitable): Do not insert prefetches
 308         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
 309         times the prefetch ahead distance.
 310
 311 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
 312
 313         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
 314         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
 315         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
 316         the unroll_factor.
 317
 318 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
 319
 320         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
 321         a diagnostic info when the insn-to-mem ratio is too small.
 322
 323 2010-05-07  Richard Guenther <rguenther@suse.de>
 324
 325         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
 326         the linker plugin.
 327         (store_arg): Queue temp_filename for deletion instead of
 328         the whole argument.
 329
 330 2010-05-07  Richard Guenther  <rguenther@suse.de>
 331
 332         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
 333         (run_gcc): Handle LTRANS phase invocation.
 334         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
 335
 336 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
 337
 338         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
 339         this is also meaningful on PARM_DECLs and RESULT_DECLs.
 340
 341 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 342
 343         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
 344
 345 2010-05-07  Richard Guenther  <rguenther@suse.de>
 346
 347         PR tree-optimization/44020
 348         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
 349         code when PRE is not yet initialized.
 350
 351 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 352
 353         * config/mips/dbxmdebug.h: Remove.
 354         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
 355
 356 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
 357
 358         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
 359         with null pointer and also warn about ordered comparison of zero with
 360         pointer if -Wextra.
 361
 362 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 363
 364         * graphite-blocking.c
 365         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
 366         * graphite-clast-to-gimple.c
 367         (clast_to_gcc_expression): Same.
 368         (precision_for_value): Same.
 369         (precision_for_interval): Same.
 370         (gcc_type_for_interval): Same.
 371         (graphite_create_new_guard): Same.
 372         (compute_bounds_for_level): Same.
 373         (graphite_create_new_loop_guard): Same.
 374         * graphite-interchange.c
 375         (build_linearized_memory_access): Same.
 376         (pdr_stride_in_loop): Same.
 377         (memory_strides_in_loop_1): Same.
 378         (memory_strides_in_loop): Same.
 379         (extend_scattering): Same.
 380         (psct_scattering_dim_for_loop_depth): Same.
 381         (pbb_number_of_iterations): Same.
 382         * graphite-poly.h
 383         (debug_iteration_domains): Same.
 384         * graphite-ppl.c
 385         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 386         (ppl_set_inhomogeneous_gmp): Same.
 387         (ppl_strip_loop): Same.
 388         (ppl_lexico_compare_linear_expressions): Same.
 389         (ppl_read_polyhedron_matrix): Same.
 390         (ppl_max_for_le_pointset): Same.
 391         * graphite-ppl.h
 392         (ppl_read_polyhedron_matrix): Same.
 393         (tree_int_to_gmp): Same.
 394         (gmp_cst_to_tree): Same.
 395         (ppl_set_inhomogeneous): Same.
 396         (ppl_set_inhomogeneous_tree): Same.
 397         (ppl_set_coef): Same.
 398         (ppl_set_coef_tree): Same.
 399         * graphite-sese-to-poly.c
 400         (build_pbb_scattering_polyhedrons): Same.
 401         (build_scop_scattering): Same.
 402         (scan_tree_for_params_right_scev): Same.
 403         (scan_tree_for_params): Same.
 404         (find_params_in_bb): Same.
 405         (find_scop_parameters): Same.
 406         (add_upper_bounds_from_estimated_nit): Same.
 407         (build_loop_iteration_domains): Same.
 408         (add_condition_to_domain): Same.
 409         (pdr_add_memory_accesses): Same.
 410
 411 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 412
 413         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
 414         CLooG's value_* macros to their respective mpz_* counterparts.
 415         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
 416         (graphite_create_new_loop_guard): Same.
 417         * graphite-interchange.c (build_linearized_memory_access): Same.
 418         (pdr_stride_in_loop): Same.
 419         (memory_strides_in_loop_1): Same.
 420         (1st_interchange_profitable_p): Same.
 421         * graphite-poly.c (extend_scattering): Same.
 422         (psct_scattering_dim_for_loop_depth): Same.
 423         (pbb_number_of_iterations): Same.
 424         (pbb_number_of_iterations_at_time): Same.
 425         * graphite-poly.h (new_1st_loop): Same.
 426         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
 427         (oppose_constraint): Same.
 428         (insert_constraint_into_matrix): Same.
 429         (ppl_set_inhomogeneous_gmp): Same.
 430         (ppl_set_coef_gmp): Same.
 431         (ppl_strip_loop): Same.
 432         (ppl_lexico_compare_linear_expressions): Same.
 433         (ppl_max_for_le_pointset): Same.
 434         (ppl_min_for_le_pointset): Same.
 435         (ppl_build_realtion): Same.
 436         * graphite-ppl.h (gmp_cst_to_tree): Same.
 437         (ppl_set_inhomogeneous): Same.
 438         (ppl_set_inhomogeneous_tree): Same.
 439         (ppl_set_coef): Same.
 440         (ppl_set_coef_tree): Same.
 441         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
 442         (build_scop_scattering): Same.
 443         (add_value_to_dim): Same.
 444         (scan_tree_for_params_right_scev): Same.
 445         (scan_tree_for_params_int): Same.
 446         (scan_tree_for_params): Same.
 447         (find_params_in_bb): Same.
 448         (find_scop_parameters): Same.
 449         (add_upper_bounds_from_estimated_nit): Same.
 450         (build_loop_iteration_domains): Same.
 451         (create_linear_expr_from_tree): Same.
 452         (add_condition_to_domain): Same.
 453         (pdr_add_memory_accesses): Same.
 454
 455 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
 456             Jason Merrill  <jason@redhat.com>
 457
 458         * c-common.c (c_common_reswords): Add nullptr.
 459         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
 460         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
 461         (gen_type_die_with_usage): Likewise.
 462         * dbxout.c (dbxout_type): Likewise.
 463         * sdbout.c (plain_type_1): Likewise.
 464
 465 2010-05-06  Jason Merrill  <jason@redhat.com>
 466
 467         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
 468         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
 469         ret appropriately.
 470         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
 471
 472         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
 473         stripping WITH_SIZE_EXPR.
 474         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
 475         change.
 476
 477 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 478
 479         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
 480         list of obsolete configurations.
 481         Disabled check for obsolete configurations.
 482         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
 483         Removed support for previous versions.
 484         * config/mips/iris.h: Removed.
 485         * config/mips/iris5.h: Removed.
 486         * config/mips/iris6.h: Merged old iris.h contents.
 487         (TARGET_IRIX): Removed.
 488         (DRIVER_SELF_SPECS): Removed mabi=32.
 489         (IDENT_ASM_OP): Removed undef.
 490         (STARTFILE_SPEC): Removed mabi=32.
 491         (ENDFILE_SPEC): Likewise.
 492         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
 493         (MACHINE_TYPE): Update for IRIX 6.5.
 494         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
 495         TARGET_IRIX by TARGET_IRIX6.
 496         (mips_file_start): Likewise.
 497         (mips_output_external): Remove IRIX 5/6 O32 support.
 498         (mips_output_function_prologue): Likewise.
 499         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
 500         TARGET_IRIX6.
 501         (TARGET_CPU_CPP_BUILTINS): Likewise.
 502         (TARGET_IRIX): Removed.
 503         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
 504         (MULTILIB_DIRNAMES): Removed 32.
 505         (MULTILIB_OSDIRNAMES): Removed ../lib.
 506         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
 507         (Specific, mips-sgi-irix5): Document removal.
 508         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
 509         Remove references to older IRIX 6 releases and the O32 ABI.
 510
 511 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
 512
 513         PR bootstrap/43994
 514         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
 515         instead of DF_REF_REAL_REG.
 516
 517 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
 518
 519         PR target/43888
 520         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
 521         handling to still return true for x64 targets.
 522
 523 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
 524
 525         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
 526
 527 2010-05-06  Jan Hubicka  <jh@suse.cz>
 528
 529         PR tree-optimization/43791
 530         * ipa-inline.c (update_caller_keys): Remove bogus
 531         disregard_inline_limits check.
 532
 533 2010-05-06  Michael Matz  <matz@suse.de>
 534
 535         PR tree-optimization/43984
 536         * tree-ssa-pre.c (inserted_phi_names): Remove.
 537         (inserted_exprs): Change to bitmap.
 538         (create_expression_by_pieces): Set bits, don't append to vector.
 539         (insert_into_preds_of_block): Don't handle inserted_phi_names.
 540         (eliminate): Don't look at inserted_phi_names, remove deleted
 541         insns from inserted_exprs.
 542         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
 543         (init_pre, fini_pre): Allocate and free bitmaps.
 544         (execute_pre): Insert insns on edges before elimination.
 545
 546 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
 547
 548         * tree.c (initializer_zerop): Handle STRING_CST.
 549
 550 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 551
 552         PR 40989
 553         * doc/invoke.texi (Wimplicit): Document as C only.
 554         * opts.c (common_handle_option): Add argument kind.
 555         (handle_option): Rename as read_cmdline_option. Factor out code to...
 556         (handle_option): ... here. New.
 557         (handle_options): Rename as read_cmdline_options.
 558         (decode_options): Update call.
 559         (set_option): Use option index instead of option pointer. Classify
 560         diagnostics correctly.
 561         (enable_warning_as_error): Call handle_option.
 562         * opts.h (set_option): Update declaration.
 563         (handle_option): Declare.
 564         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
 565         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
 566         * c-opts.c (set_Wimplicit): Delete.
 567         (c_family_lang_mask): New static constant.
 568         (c_common_handle_option): Add argument kind. Use handle_option
 569         instead of set_Wimplicit.
 570         (c_common_post_options): warn_implicit and warn_implicit_int
 571         are disabled by default.
 572         * c-common.c (warn_implicit): Do not define here.
 573         * c-common.h (warn_implicit): Do not declare here.
 574         (c_common_handle_option): Update declaration.
 575         * lto-opts.c (lto_reissue_options): Update call to set_option.
 576
 577 2010-05-06  Richard Guenther  <rguenther@suse.de>
 578
 579         PR tree-optimization/43571
 580         * domwalk.c (walk_dominator_tree): Walk the dominator
 581         sons in more optimal order.
 582
 583 2010-05-06  Richard Guenther  <rguenther@suse.de>
 584
 585         PR tree-optimization/43934
 586         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
 587         (stmt_cost): Likewise.
 588         (extract_true_false_args_from_phi): New helper.
 589         (determine_max_movement): For PHI nodes verify we can hoist them
 590         and compute their cost.
 591         (determine_invariantness_stmt): Handle PHI nodes.
 592         (move_computations_stmt): Likewise.  Hoist PHI nodes in
 593         if-converted form using COND_EXPRs.
 594         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
 595         (tree_ssa_lim): Likewise.
 596         * tree-flow.h (tree_ssa_lim): Adjust prototype.
 597         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
 598
 599 2010-05-06  Richard Guenther  <rguenther@suse.de>
 600
 601         PR tree-optimization/43987
 602         * tree-ssa-structalias.c (could_have_pointers): For possibly
 603         address-taken variables force pointers to be recorded.
 604         (create_variable_info_for_1): Likewise.
 605         (push_fields_onto_fieldstack): Pass in wheter all fields
 606         must have pointers.
 607         (find_func_aliases): Query types instead of vars whether
 608         they contain pointers where appropriate.
 609
 610 2010-05-06  Jan Hubicka  <jh@suse.cz>
 611
 612         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
 613         (record_reference, mark_address, mark_load, mark_store): Record
 614         references.
 615         (record_references_in_initializer): Update call of record_references.
 616         (rebuild_cgraph_edges): Remove all references before rebuiding.
 617         * cgraph.c (cgraph_create_node): Clear ref list.
 618         (cgraph_remove_node): Remove references.
 619         (dump_cgraph_node): Dump references.
 620         (cgraph_clone_node): Clone references.
 621         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
 622         (struct cgraph_node, varpool_node): Add ref_lst.
 623         * ipa-ref.c: New file.
 624         * ipa-ref.h: New file.
 625         * ipa-ref-inline.h: New file.
 626         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
 627         (referenced_from_other_partition_p): New function.
 628         (lto_output_varpool_node): Take set arugment; call
 629         referenced_from_other_partition.
 630         (lto_output_ref): New.
 631         (add_references): New.
 632         (output_refs): New.
 633         (output_cgraph): Compute boundary based on references; output refs.
 634         (output_varpool): Accept cgraph_node_set argument.
 635         (input_ref): New.
 636         (input_refs): New.
 637         (input_cgraph): Call input_refs.
 638         * lto-section-in.c (lto_section_name): Add refs.
 639         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
 640         (ipa-ref.o): New file.
 641         * varpool.c (varpool_node): Clear ipa ref list.
 642         (varpool_remove_node): Remove references.
 643         (dump_varpool_node): Dump references.
 644         (varpool_assemble_decl): Only compile finalized ones.
 645         (varpool_extra_name_alias): Initialize ref list.
 646         * lto-streamer.c (lto-get_section_name): Add .refs section.
 647         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
 648         (referenced_from_other_partition_p): Declared.
 649
 650 2010-05-06  Ira Rosen  <irar@il.ibm.com>
 651
 652         PR tree-optimization/43901
 653         * tree-vect-stmts.c (vectorizable_call): Assert that vector
 654         type is not NULL if it's transformation phase, and return
 655         FALSE if it's analysis.
 656         (vectorizable_conversion, vectorizable_operation,
 657         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
 658
 659 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
 660
 661         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
 662         Delete.
 663         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
 664         New define.
 665         * config/mips/mips-protos.h
 666         (mips_small_register_classes_for_mode_p): Delete prototype.
 667
 668 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
 669
 670         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
 671         * config/arm/arm.c (multiple_operation_profitable_p,
 672         compute_offset_order): New static functions.
 673         (load_multiple_sequence, store_multiple_sequence): Use them.
 674         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
 675         memory offsets, not register numbers.
 676         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
 677
 678 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
 679
 680         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
 681         (get_pending_sizes, put_pending_size, put_pending_sizes):
 682         Update the uses of pending_sizes.
 683         * c-decl.c (store_parm_decls): Likewise.
 684         * c-tree.h (struct c_arg_info): Likewise.
 685         * tree.h: Update the prototype for get_pending_sizes and
 686         put_pending_sizes.
 687
 688 2010-05-05  Jason Merrill  <jason@redhat.com>
 689
 690         PR debug/43370
 691         * c-common.c (handle_aligned_attribute): Respect
 692         ATTR_FLAG_TYPE_IN_PLACE.
 693
 694         PR testsuite/43758
 695         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
 696         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
 697         (TARGET_INITIALIZER): Use it.
 698         * c-common.c (attribute_takes_identifier_p): Call it.
 699         * c-common.h: Update prototype.
 700         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
 701         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
 702
 703 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
 704
 705         PR debug/43950
 706         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
 707         DW_ID_down_case for Fortran compilation units.
 708
 709 2010-05-05  Jan Hubicka  <jh@suse.cz>
 710
 711         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
 712         handle aliases.
 713
 714 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
 715
 716         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
 717         a variable-sized RESULT_DECL.
 718
 719 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
 720
 721         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
 722
 723 2010-05-05  Jason Merrill  <jason@redhat.com>
 724
 725         PR c++/43787
 726         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
 727         returns GS_OK.
 728         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
 729
 730 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
 731             Jakub Jelinek  <jakub@redhat.com>
 732
 733         PR debug/43478
 734         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
 735         (dead_debug_init, dead_debug_finish): New functions.
 736         (dead_debug_add, dead_debug_insert_before): Likewise.
 737         (df_note_bb_compute): Initialize a dead_debug object, add dead
 738         debug uses to it, insert debug bind insns before death insns,
 739         reset debug insns that refer to pending uses at the end.
 740         * rtl.h (make_debug_expr_from_rtl): New prototype.
 741         * varasm.c (make_debug_expr_from_rtl): New function.
 742
 743 2010-05-05  Jan Hubicka  <jh@suse.cz>
 744
 745         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
 746         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
 747         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
 748         lto_varpool_encoder_deref, lto_varpool_encoder_size,
 749         lto_varpool_encoder_encode_initializer_p,
 750         lto_set_varpool_encoder_encode_initializer): New functions.
 751         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
 752         call output_varpool.
 753         (input_varpool_node): Do not always set analyzed.
 754         (input_cgraph_1): Return vector of cgraph nodes.
 755         (input_varpool_1): Return vector of varpools.
 756         (input_cgraph): Free the vectors.
 757         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
 758         output only initializers needed.
 759         (lto_output): Only call output_cgraph.
 760         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
 761         * lto-section-out.c (lto_new_out_decl_state): Initialize
 762         state->varpool_node_encoder.
 763         * lto-streamer.h (lto_varpool_encoder_d): New.
 764         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
 765         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
 766         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
 767         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
 768         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
 769         Declare.
 770         (output_varpool, input_varpool): Remove declarations.
 771
 772 2010-05-05  Jan Hubicka  <jh@suse.cz>
 773
 774         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
 775         with body can prevail.
 776
 777 2010-05-05  Jan Hubicka  <jh@suse.cz>
 778
 779         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
 780         size.
 781
 782 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
 783
 784         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
 785
 786         * gengtype.h (erro_at_line): Constify pos argument.
 787
 788         * gengtype.c: Include hashtab.h.
 789         (enum gc_used): Document GC_MAYBE_POINTED_TO.
 790         (error_at_line): Constify pos argument.
 791         (do_typedef): Initialize p->opt field.
 792         (get_file_gtfilename): Fix comment typo.
 793         (struct walk_type_data): Constify line field.
 794         (get_output_file_for_structure): New function.
 795         (write_local_func_for_structure): Constify orig_s argument.
 796         Use get_output_file_for_structure.
 797         (write_func_for_structure): Use get_output_file_for_structure.
 798         (INDENT): New define.
 799         (dump_pair, dump_type, dump_type_list, dump_typekind)
 800         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
 801         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
 802         functions.
 803         (seen_types): New variable.
 804         (main): New variable do_dump.  Process "-d" command line option.
 805         Call dump_everything if dump requested.
 806
 807 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
 808
 809         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
 810         in a temporary instead of invoking the macro multiple times.
 811         (track_expr_p): Likewise.
 812
 813 2010-05-04  Neil Vachharajani <nvachhar@google.com>
 814
 815         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
 816         per new semantics.
 817         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
 818         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
 819         conditions for printing notes.
 820         * common.opt (-Wcoverage-mismatch): Allow negative, default to
 821         true, update documentation.
 822         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
 823
 824 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
 825
 826         PR c/43981
 827         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
 828         on dimen.
 829
 830 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
 831
 832         PR target/43799
 833         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
 834         (*sse_prologue_save_insn1): Likewise.
 835         (SSE prologue save splitter): Likewise.
 836
 837 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
 838
 839         * tree.c (free_lang_data_in_one_sizepos): New inline function.
 840         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
 841         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
 842         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
 843         all decls.  Call it on DECL_FIELD_OFFSET of fields.
 844         (find_decls_types_r): Follow DECL_VALUE_EXPR.
 845         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
 846
 847 2010-05-04  Martin Jambor  <mjambor@suse.cz>
 848
 849         * tree-sra.c (build_access_from_expr_1): The first parameter type
 850         changed to simple tree.
 851         (build_access_from_expr): Likewise, gsi parameter was eliminated.
 852         (scan_assign_result): Renamed to assignment_mod_result, enum elements
 853         renamed as well.
 854         (build_accesses_from_assign): Removed all parameters except for a
 855         simple gimple statement.  Now returns a simple bool.
 856         (scan_function): All non-analysis parts moved to separate functions
 857         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
 858         parameters and updated both callers.
 859         (sra_modify_expr): Removed parameter data.
 860         (sra_modify_function_body): New function.
 861         (perform_intra_sra): Call sra_modify_function_body to modify the
 862         function body.
 863         (replace_removed_params_ssa_names): Parameter data changed into
 864         adjustments vector.
 865         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
 866         changed the parameter dont_convert to convert with the opposite
 867         meaning.
 868         (sra_ipa_modify_assign): Parameter data changed into adjustments
 869         vector, return value changed to bool.
 870         (ipa_sra_modify_function_body): New function.
 871         (sra_ipa_reset_debug_stmts): Updated a comment.
 872         (modify_function): Use ipa_sra_modify_function_body to modify function
 873         body.
 874
 875 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
 876
 877         PR middle-end/43671
 878         * alias.c (true_dependence): Handle the same VALUE in x and mem.
 879         (canon_true_dependence): Likewise.
 880         (write_dependence_p): Likewise.
 881
 882 2010-05-04  Jan Hubicka  <jh@suse.cz>
 883
 884         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
 885         * cgraphbuild.c: Include ipa-utils.h
 886         (record_reference_ctx): New struct.
 887         (record_reference): Simplify to work on initializers; not statements.
 888         (mark_address, mark_load, mark_store): New.
 889         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
 890         walk PHI nodes too.
 891         (record_references_in_initializer): Update use of record_reference.
 892         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
 893         walk PHI nodes too.
 894
 895 2010-05-04  Jan Hubicka  <jh@suse.cz>
 896
 897         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
 898         node will be removed anyway.
 899         (lto_varpool_replace_node): Allow also unanalyzed nodes;
 900         relink aliases of node into prevailing node.
 901         * varpool.c (varpool_remove_node): Remove aliases properly;
 902         when removing node, remove all its aliases too; remove DECL_INITIAL
 903         of removed node; ggc_free the varpool node.
 904
 905 2010-05-04  Richard Guenther  <rguenther@suse.de>
 906
 907         PR tree-optimization/43879
 908         * tree-ssa-structalias.c (alias_get_name): Use
 909         DECL_ASSEMBLER_NAME if available.
 910         (create_function_info_for): Return the varinfo node.
 911         (ipa_pta_execute): Associate same-body aliases and extra names
 912         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
 913
 914 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
 915
 916         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
 917
 918 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
 919
 920         PR bootstrap/43964
 921         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
 922         only if HONOR_REG_ALLOC_ORDER is not defined.
 923
 924 2010-05-04  Richard Guenther  <rguenther@suse.de>
 925
 926         PR tree-optimization/43949
 927         * tree-vrp.c (extract_range_from_binary_expr): Only handle
 928         TRUNC_MOD_EXPR.
 929
 930 2010-04-26  Jason Merrill  <jason@redhat.com>
 931
 932         * c.opt (-fstrict-enums): New.
 933         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
 934
 935 2010-05-03  David Ung <davidu@mips.com>
 936             James E. Wilson  <wilson@codesourcery.com>
 937
 938         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
 939         emit the trap instruction before the divide for TUNE_74K.
 940
 941 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
 942
 943         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
 944         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
 945         based on the above, for new target hook.
 946
 947         * hooks.c (hook_bool_mode_true): New generic hook.
 948         * hooks.h (hook_bool_mode_true): Add prototype.
 949
 950         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
 951         target hook.
 952         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
 953         target hook, set to hook_bool_mode_false.
 954         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
 955         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
 956         with targetm.small_register_classes_for_mode_p.
 957         (find_reusable_reload): Likewise.
 958         (combine_reloads): Likewise.
 959         * reload1.c (reload_as_needed): Likewise.
 960         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
 961         * ifcvt.c (noce_process_if_block, check_cond_move_block,
 962         dead_or_predicable): Likewise.
 963         * regmove.c (optimize_reg_copy_1): Likewise.
 964         * calls.c (prepare_call_address): Likewise.
 965         (precompute_register_parameters): Likewise.
 966
 967         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
 968         hook definition.
 969         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
 970         implementation of the hook that considers all register classes
 971         small except for SH64.
 972         (sh_override_options): Use the new hook.
 973         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
 974         Add prototype.
 975
 976         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
 977         hook definition.
 978         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
 979         implementation of the hook that considers all register classes
 980         small for THUMB1.
 981         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
 982         Add prototype.
 983
 984         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
 985         hook definition.
 986         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
 987         implementation of the hook that considers all register classes
 988         small for MIPS16.
 989         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
 990         Add prototype.
 991
 992         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
 993         hook definition.
 994         * config/m32c/m32c.h: Likewise.
 995         * config/pdp11/pdp11.h: Likewise.
 996         * config/avr/avr.h: Likewise.
 997         * config/xtensa/xtensa.h: Likewise.
 998         * config/m68hc11/m68hc11.h: Likewise.
 999         * config/mn10300/mn10300.h: Likewise.
1000         * config/mcore/mcore.h: Likewise.
1001         * config/h8300/h8300.h: Likewise.
1002         * config/bfin/bfin.h: Likewise.
1003
1004         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1005         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1006
1007 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1008
1009         * double-int.h (tree_to_double_int): Remove macro.
1010         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1011         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1012         (tree_to_double_int): New function.
1013         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1014         Move ...
1015         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1016
1017 2010-05-03  Richard Guenther  <rguenther@suse.de>
1018
1019         PR tree-optimization/43971
1020         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1021         constraints in the !flag_delete_null_pointer_checks case.
1022
1023 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1024
1025         PR debug/43972
1026         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1027         result mode matches original rtl mode.
1028
1029 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1030
1031         PR target/43888
1032         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1033
1034 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1035
1036         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1037         when processing flag options.
1038
1039 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1040
1041         * gcov-iov.c (main): Change format string placeholder
1042         from %#08x to 0x%08x.
1043         * genchecksum.c (dosum): Change format string placeholder
1044         from %#02x to 0x%02x.
1045
1046 2010-05-02  Richard Guenther  <rguenther@suse.de>
1047
1048         PR tree-optimization/43879
1049         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1050
1051 2010-05-02  Bruno Haible  <bruno@clisp.org>
1052
1053         * doc/extend.texi (Function Attributes): Fix a typo.
1054
1055 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1056
1057         Revert:
1058         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1059         placeholder from 0x%x to %#x.
1060         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1061         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1062         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1063         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1064         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1065         * config/i386/i386.c (ix86_target_string): Ditto.
1066         * config/i386/i386.c (output_pic_addr_const): Ditto.
1067         (print_operand): Ditto.
1068
1069 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1070
1071         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1072         placeholder from 0x%x to %#x.
1073         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1074         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1075         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1076         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1077         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1078         * optc-gen.awk: Ditto.
1079         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1080         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1081         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1082         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1083
1084 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1085
1086         * target.h (struct calls): Add function_value_regno_p field.
1087         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1088         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1089         * targhooks.c (default_function_value_regno_p): New function.
1090         * targhooks.h (default_function_value_regno_p): Declare function.
1091         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1092         * builtins.c. (apply_result_size): (Ditto.).
1093         * combine.c. (likely_spilled_retval_p): (Ditto.).
1094         * mode-switching.c. Include 'target.h'.
1095         (create_pre_exit): Use function_value_regno_p hook.
1096         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1097         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1098         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1099
1100         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1101         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1102         (ix86_function_value_regno_p): Declare as static, change argument
1103         type to const unsigned int.
1104         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1105
1106 2010-05-01  Richard Guenther  <rguenther@suse.de>
1107
1108         PR tree-optimization/43949
1109         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1110         types.
1111         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1112
1113 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1114
1115         * rtl.h (CONST_DOUBLE_P): Define.
1116         (rtx_to_double_int): Declare.
1117         * emit-rtl.c (rtx_to_double_int): New function.
1118         * dwarf2out.c (insert_double): New function.
1119         (loc_descriptor, add_const_value_attribute): Clean up, use
1120         rtx_to_double_int and insert_double functions.
1121
1122 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1123
1124         * doc/extend.texi (Inline): Add missing return keyword to examples.
1125         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1126         "command-line".
1127
1128 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1129
1130         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1131         the variable part of the offset as well.  Use highest_pow2_factor for
1132         all alignment checks.
1133
1134 2010-04-30  Richard Guenther  <rguenther@suse.de>
1135
1136         PR tree-optimization/43879
1137         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1138         can have pointers.
1139
1140 2010-04-30  Jan Hubicka  <jh@suse.cz>
1141
1142         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1143         varpool.
1144         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1145
1146 2010-04-30  Jan Hubicka  <jh@suse.cz>
1147
1148         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1149         New.
1150         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1151         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1152         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1153         cgraph_node_set_needs_ltrans_p): Remove.
1154
1155 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1156
1157         * sdbout.c: Include vec.h, do not include varray.h.
1158         (deferred_global_decls, sdbout_global_decl,
1159         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1160         * toplev.c: Do not include varray.h.
1161         (dump_memory_report): Do not dump VARRAY statistics.
1162         * gengtype.c (open_base_file): Ignore varray.h.
1163         * Makefile.in: Update for abovementioned changes.
1164         Remove all traces of varray.c and varray.h.
1165         * varray.c: Remove file.
1166         * varray.h: Remove file.
1167
1168 2010-04-30  Jan Hubicka  <jh@suse.cz>
1169
1170         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1171         references.
1172
1173 2010-04-30  Jan Hubicka  <jh@suse.cz>
1174
1175         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1176         needed.
1177
1178 2010-04-30  Richard Guenther  <rguenther@suse.de>
1179
1180         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1181         constraints for CONSTRUCTOR.
1182
1183 2010-04-30  Richard Guenther  <rguenther@suse.de>
1184
1185         PR lto/43946
1186         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1187         first after all lowering passes.
1188
1189 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1190
1191         * toplev.c: Include varray.h for statistics dumping.
1192         * tree.h: Do not declare varray_head_tag.
1193         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1194         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1195         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1196         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1197         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1198         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1199         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1200         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1201         include varray.h.
1202         * Makefile.in: Update for abovementioned changes.
1203
1204 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1205
1206         PR debug/43942
1207         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1208
1209 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1210
1211         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1212         Use this function to do machine-specific conversion.
1213         (picochip_legitimize_reload_address): Likewise.
1214         (picochip_legitimate_address_p): Check valid base register only if
1215         strict.
1216         (picochip_check_conditional_copy): Check for modw only if opnd is
1217         register.
1218         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1219         to call the function in c.
1220         * config/picochip/picochip-protos.h
1221         (picochip_legitimize_reload_address): Define.
1222         * config/picochip/picochip.md (supported_compare1): Define.
1223
1224 2010-04-30  Jan Hubicka  <jh@suse.cz>
1225
1226         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1227         (cgraph_global_info): Remove inlined.
1228         (LTO_cgraph_tag_names): Remove.
1229         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1230         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1231         simplify cgraph tags and document.
1232         (lto_output_node): Use only LTO_cgraph_unavail_node and
1233         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1234         for_functions_valid, global info, process and output flags.
1235         (input_overwrite_node): Initialize estimated stack size and
1236         estimated growth.  Do not read flags we no longer store.
1237         (input_node): Likewise do not read info no longer stored.
1238         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1239         flag.
1240
1241 2010-04-30  Richard Guenther  <rguenther@suse.de>
1242
1243         PR tree-optimization/43879
1244         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1245         handle non-zero initializers.
1246
1247 2010-04-30  Richard Guenther  <rguenther@suse.de>
1248
1249         * builtins.c (fold_builtin_1): Delete free (0).
1250
1251 2010-04-29  Jan Hubicka  <jh@suse.cz>
1252
1253         * gengtype.c (open_base_files): Add lto-streamer.h
1254         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1255         (pass_ipa_cp): GGC collect.
1256         * toplev. (compile_file): Do not output symbols.
1257         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1258         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1259         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1260         * lto-section-in.c: Include ggc.h
1261         (lto_new_in_decl_state): Alloc in GGC.
1262         (lto_delete_in_decl_state): Likewise.
1263         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1264         Collect.
1265
1266 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1267
1268         PR target/42895
1269         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1270         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1271         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1272         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1273         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1274         account only if HONOR_REG_ALLOC_ORDER is not defined.
1275         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1276         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1277
1278 2010-04-29  Jon Grant  <04@jguk.org>
1279
1280         * collect2.c (vflag): Change type from int to bool.
1281         (debug): Likewise.
1282         (helpflag): New global bool.
1283         (main): Set vflag and debug with boolean, not integer truth values.
1284         Accept new "--help" option and output usage text if found.
1285         * collect2.h (vflag): Update prototype.
1286         (debug): Likewise.
1287
1288 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1289
1290         PR bootstrap/43936
1291         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1292
1293 2010-04-29  Richard Guenther  <rguenther@suse.de>
1294
1295         PR bootstrap/43935
1296         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1297         with ATTRIBUTE_UNUSED.
1298
1299 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1300
1301         PR target/43921
1302         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1303         INSN_P with NONDEBUG_INSN_P.
1304         (distance_non_agu_define): Likewise.
1305         (distance_agu_use): Likewise.
1306
1307 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1308
1309         From Dominique d'Humieres <dominiq@lps.ens.fr>
1310         PR bootstrap/43858
1311         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1312         test_set.
1313
1314 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1315
1316         * plugin.h (invoke_plugin_callbacks): New inline function.
1317         * plugin.c (flag_plugin_added): New global flag.
1318         (add_new_plugin): Initialize above flag.
1319         (invoke_plugin_callbacks): Rename to ...
1320         (invoke_plugin_callbacks_full): ... this.
1321
1322 2010-04-28  Jan Hubicka  <jh@suse.cz>
1323
1324         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1325         (lto_varpool_replace_node): New.
1326         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1327         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1328         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1329         * cgraph.h (varpool_node_ptr): New type.
1330         (varpool_node_ptr): New vector.
1331         (varpool_node_set_def): New structure.
1332         (varpool_node_set): New type.
1333         (varpool_node_set): New vector.
1334         (varpool_node_set_element_def): New structure.
1335         (varpool_node_set_element, const_varpool_node_set_element): New types.
1336         (varpool_node_set_iterator): New type.
1337         (varpool_node): Add prev pointers, add used_from_other_partition,
1338         in_other_partition.
1339         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1340         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1341         varpool_get_node, varpool_remove_node): Declare.
1342         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1343         varpool_node_set_size): New inlines.
1344         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1345         * tree-pass.h (varpool_node_set_def): Forward declare.
1346         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1347         (ipa_write_optimization_summaries): Update prototype.
1348         * ipa-cp.c (ipcp_write_summary): Update.
1349         * ipa-reference.c (ipa_reference_write_summary): Update.
1350         * lto-cgraph.c (lto_output_varpool_node): New static function.
1351         (output_varpool): New function.
1352         (input_varpool_node): New static function.
1353         (input_varpool_1): New function.
1354         (input_cgraph): Input varpool.
1355         * ipa-pure-const.c (pure_const_write_summary): Update.
1356         * lto-streamer-out.c (lto_output): Update, output varpool too.
1357         (write_global_stream): Kill WPA hack.
1358         (produce_asm_for_decls): Update.
1359         (output_alias_pair_p): Handle variables.
1360         (output_unreferenced_globals): Output only needed partition of varpool.
1361         * ipa-inline.c (inline_write_summary): Update.
1362         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1363         cgraph.
1364         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1365         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1366         varpool_node_set_new, varpool_node_set_add,
1367         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1368         debug_varpool_node_set): New functions.
1369         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1370         (execute_one_pass): Process new decls too.
1371         (ipa_write_summaries_2): Pass around vsets.
1372         (ipa_write_summaries_1): Likewise.
1373         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1374         to add.
1375         (ipa_write_optimization_summaries_1): Pass around vsets.
1376         (ipa_write_optimization_summaries): Likewise.
1377         * varpool.c (varpool_get_node): New.
1378         (varpool_node): Update doubly linked lists.
1379         (varpool_remove_node): New.
1380         (dump_varpool_node): More dumping.
1381         (varpool_enqueue_needed_node): Update doubly linked lists.
1382         (decide_is_variable_needed): Kill ltrans hack.
1383         (varpool_finalize_decl): Kill lto hack.
1384         (varpool_assemble_decl): Skip decls in other partitions.
1385         (varpool_assemble_pending_decls): Update doubly linkes lists.
1386         (varpool_empty_needed_queue): Likewise.
1387         (varpool_extra_name_alias): Likewise.
1388         * lto-streamer.c (lto_get_section_name): Add vars section.
1389         * lto-streamer.h (lto_section_type): Update.
1390         (output_varpool, input_varpool): Declare.
1391
1392 2010-04-28  Mike Stump  <mikestump@comcast.net>
1393
1394         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1395
1396 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1397
1398         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1399         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1400         (lto_input_ts_type_tree_pointers): Likewise.
1401         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1402         (lto_output_ts_type_tree_pointers): Likewise.
1403
1404 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1405
1406         Uniquization of constants at the Tree level
1407         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1408         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1409         bit to the end.
1410         (tree_output_constant_def): Declare.
1411         * gimplify.c (gimplify_init_constructor): When using block copy, first
1412         uniquize the constant constructor on the RHS.
1413         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1414         DECL_IN_CONSTANT_POOL flag.
1415         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1416         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1417         constant pool.
1418         (assemble_variable): Deal with symbols belonging to the tree constant
1419         pool.
1420         (get_constant_section): Add ALIGN parameter and simplify.
1421         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1422         (assemble_constant_contents): Use the expression of the VAR_DECL.
1423         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1424         (tree_output_constant_def): New global function.
1425         (mark_constant): Use the expression of the VAR_DECL.
1426         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1427         its expression.
1428         (output_object_block): Likewise and assemble the expression.
1429
1430 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1431
1432         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1433         hash_tree, eq_tree): New tree hash table.
1434         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1435         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1436         lto_orig_address_remove): Reimplement.
1437
1438 2010-04-28  Xinliang David Li  <davidxl@google.com>
1439
1440         PR c/42643
1441         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1442         (compute_uninit_opnds_pos): New function.
1443         (is_non_loop_exit_postdominating): New function.
1444         (compute_control_dep_chain): New function.
1445         (find_pdom): New function.
1446         (convert_control_dep_chain_into_preds): New function.
1447         (find_predicates): New function.
1448         (find_control_equiv_block): New function.
1449         (collect_phi_def_edges): New function.
1450         (find_def_preds): New function.
1451         (find_dom): New function.
1452         (dump_predicates): New function.
1453         (get_cmp_code): New function.
1454         (is_value_included_in): New function.
1455         (find_matching_predicate_in_rest_chains): New function.
1456         (use_pred_not_overlap_with_undef_path_pred): New function.
1457         (is_use_properly_guarded): New function.
1458         (normalize_cond_1): New function.
1459         (is_and_or_or): New function.
1460         (normalize_cond): New function.
1461         (is_gcond_subset_of): New function.
1462         (is_subset_of_any): New function.
1463         (is_or_set_subset_of): New function.
1464         (is_and_set_subset_of): New function.
1465         (is_norm_cond_subset_of): New function.
1466         (is_pred_expr_subset_of): New function.
1467         (is_pred_chain_subset_of): New function.
1468         (is_included_in): New function.
1469         (is_superset_of): New function.
1470         (find_uninit_use): New function.
1471         (warn_uninitialized_phi): New function.
1472         (compute_possibly_undefined_names): New function.
1473         (ssa_undefined_value_p): New function.
1474         (execute_late_warn_uninitialized): New function.
1475         * tree-ssa.c (ssa_undefined_value_p): Removed.
1476         (warn_uninit): Changed to extern.
1477         (warn_uninitialized_phi): Removed.
1478         (warn_uninitialized_vars): Changed to extern.
1479         (execute_late_warn_uninitialized): Removed
1480         * tree-flow.h: Add new prototypes.
1481         * timevar.def: Add new time variable.
1482         * Makefile.in: Add new build file.
1483
1484 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1485
1486         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1487         type if available.
1488
1489 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1490
1491         PR target/22224
1492         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1493
1494 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1495
1496         * cgraph.h (struct cgraph_node): New field indirect_calls.
1497         (struct cgraph_indirect_call_info): New type.
1498         (struct cgraph_edge): Removed field indirect_call. New fields
1499         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1500         (cgraph_create_indirect_edge): Declare.
1501         (cgraph_make_edge_direct): Likewise.
1502         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1503         * ipa-prop.h (struct ipa_param_call_note): Removed.
1504         (struct ipa_node_params): Removed field param_calls.
1505         (ipa_create_all_structures_for_iinln): Declare.
1506         * cgraph.c: Described indirect edges and uids in initial comment.
1507         (cgraph_add_edge_to_call_site_hash): New function.
1508         (cgraph_edge): Search also among the indirect edges, use
1509         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1510         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1511         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1512         site hash.
1513         (initialize_inline_failed): Assign a reason to indirect edges.
1514         (cgraph_create_edge_1): New function.
1515         (cgraph_create_edge): Moved some functionality to
1516         cgraph_create_edge_1.
1517         (cgraph_create_indirect_edge): New function.
1518         (cgraph_edge_remove_callee): Add an assert checking for
1519         non-indirectness.
1520         (cgraph_edge_remove_caller): Special-case indirect edges.
1521         (cgraph_remove_edge): Likewise.
1522         (cgraph_set_edge_callee): New function.
1523         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1524         (cgraph_make_edge_direct): New function.
1525         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1526         the declaration of the call statement matches.
1527         (cgraph_node_remove_callees): Special-case indirect edges.
1528         (cgraph_clone_edge): Likewise.
1529         (cgraph_clone_node): Clone also the indirect edges.
1530         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1531         indirect_call, dump count of indirect_calls edges.
1532         * ipa-prop.c (iinlining_processed_edges): New variable.
1533         (ipa_note_param_call): Create indirect edges instead of
1534         creating notes.  New parameter node.
1535         (ipa_analyze_call_uses): New parameter node, pass it on to
1536         ipa_note_param_call.
1537         (ipa_analyze_stmt_uses): Likewise.
1538         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1539         (print_edge_addition_message): Work on edges rather than on notes.
1540         (update_call_notes_after_inlining): Likewise, renamed to
1541         update_indirect_edges_after_inlining.
1542         (ipa_create_all_structures_for_iinln): New function.
1543         (ipa_free_node_params_substructures): Do not free notes.
1544         (ipa_edge_duplication_hook): Propagate bits within
1545         iinlining_processed_edges bitmap.
1546         (ipa_node_duplication_hook): Do not duplicate notes.
1547         (free_all_ipa_structures_after_ipa_cp): Renamed to
1548         ipa_free_all_structures_after_ipa_cp.
1549         (free_all_ipa_structures_after_iinln): Renamed to
1550         ipa_free_all_structures_after_iinln.
1551         (ipa_write_param_call_note): Removed.
1552         (ipa_read_param_call_note): Removed.
1553         (ipa_write_indirect_edge_info): New function.
1554         (ipa_read_indirect_edge_info): Likewise.
1555         (ipa_write_node_info): Do not stream notes, do stream information
1556         in indirect edges.
1557         (ipa_read_node_info): Likewise.
1558         (lto_ipa_fixup_call_notes): Removed.
1559         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1560         * ipa-inline.c (pass_ipa_inline): Likewise.
1561         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1562         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1563         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1564         is_gimple_call.
1565         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1566         edges.
1567         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1568         (output_cgraph): Stream also indirect edges.
1569         (lto_output_edge): Added capability to stream indirect edges.
1570         (input_edge): Likewise.
1571         (input_cgraph_1): Likewise.
1572         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1573         of indirect edges.
1574
1575 2010-04-28  Richard Guenther  <rguenther@suse.de>
1576
1577         PR tree-optimization/43879
1578         PR tree-optimization/43909
1579         * tree-ssa-structalias.c (struct variable_info): Add
1580         only_restrict_pointers flag.
1581         (new_var_info): Initialize it.  Increment stats.total_vars here.
1582         (create_function_info_for): Do not increment stats.total_vars here.
1583         (get_function_part_constraint): Fix build with C++.
1584         (insert_into_field_list): Remove.
1585         (push_fields_onto_fieldstack): Properly merge fields.
1586         (create_variable_info_for): Split and simplify.
1587         (create_variable_info_for_1): New piece.
1588         (intra_create_variable_infos): Properly make restrict constraints
1589         from parameters.
1590
1591 2010-04-28  Richard Guenther  <rguenther@suse.de>
1592
1593         PR c++/43880
1594         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1595
1596 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1597             Jan Hubicka <hubicka@ucw.cz>
1598
1599         * doc/invoke.texi (-Wsuggest-attribute=const,
1600         -Wsuggest-attribute=pure): Document.
1601         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1602         (function_always_visible_to_compiler_p,
1603         suggest_attribute, warn_function_pure, warn_function_const):
1604         New functions.
1605         (check_call): Improve debug info.
1606         (analyze_function): Do not check availability.
1607         (add_new_function): Check availability.
1608         (propagate): Output warnings.
1609         (skip_function_for_local_pure_const): New function.
1610         (local_pure_const): Use it; output warnings.
1611         * common.opt (Wsuggest-attribute=const,
1612         Wsuggest-attribute=pure): New.
1613
1614 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1615
1616         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1617         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1618         or DW_CFA_def_cfa_offset{,_sf}.
1619
1620 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1621
1622         * tree.h: Fix truncated long macros.
1623
1624 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1625
1626         * collect2.c (TARGET_64BIT): Redefine to target's default.
1627         * tlink.c: Likewise.
1628         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1629         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1630         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1631         for underscoring __USER_LABEL_PREFIX__.
1632         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1633         (SUB_LINK_ENTRY32): New.
1634         (SUB_LINK_ENTRY64): New.
1635         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1636         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1637         (SUB_LINK_ENTRY64): New.
1638         (SUB_LINK_ENTRY): New.
1639         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1640         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1641         x64 target is choosen.
1642         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1643         * configure: Regenerated.
1644         * configure.ac (leading-mingw64-underscores): Option added.
1645
1646 2010-04-27  Jan Hubicka  <jh@suse.cz>
1647
1648         * doc/invoke.texi (-fipa-profile): Document.
1649         * opts.c (decode_options): Enable ipa-profile at -O1.
1650         * timevar.def (TV_IPA_PROFILE): Define.
1651         * common.opt (fipa-profile): Add.
1652         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1653         flag for clones.
1654         (cgraph_propagate_frequency): Handle only local ones.
1655         * tree-pass.h (pass_ipa_profile): Declare.
1656         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1657         (pass_ipa_profile): Use TV_IPA_PROFILE.
1658         * ipa.c (ipa_profile): New function.
1659         (gate_ipa_profile): Likewise.
1660         (pass_ipa_profile): New global variable.
1661         * passes.c (pass_ipa_profile): New.
1662
1663 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1664
1665         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1666
1667 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1668
1669         PR middle-end/43812
1670         * ipa.c (dissolve_same_comdat_group_list): New function.
1671         (function_and_variable_visibility): Call
1672         dissolve_same_comdat_group_list when comdat group contains external or
1673         newly local nodes.
1674         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1675         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1676
1677 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1678
1679         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1680         (const_hash_1) <VECTOR_CST>: New case.
1681         (compare_constant) <VECTOR_CST>: Likewise.
1682         <ADDR_EXPR>: Deal with LABEL_REFs.
1683         (copy_constant) <VECTOR_CST>: New case.
1684
1685 2010-04-27  Jan Hubicka  <jh@suse.cz>
1686
1687         * cgraph.c (cgraph_propagate_frequency): New function.
1688         * cgraph.h (cgraph_propagate_frequency): Declare.
1689         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1690         cgraph_propagate_frequency.
1691
1692 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1693
1694         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1695
1696 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1697
1698         PR target/40657
1699         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1700         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1701         here to determine which regs to push and how much stack to reserve.
1702
1703 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1704
1705         * doc/gimple.texi (gimple_statement_with_ops): Remove
1706         addresses_taken field.
1707         (gimple_statement_with_memory_ops): Likewise.
1708
1709 2010-04-27  Jan Hubicka  <jh@suse.cz>
1710
1711         * tree-inline.c (eni_inlining_weights): Remove.
1712         (estimate_num_insns): Special case more builtins.
1713
1714 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1715
1716         PR c/32207
1717         * c-typeck.c (build_binary_op): Move forward check for comparison
1718         pointer with null pointer constant and adjust the diagnostic message.
1719
1720 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1721
1722         PR lto/42776
1723         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1724         binutils supports extended .section directive needed by LTO, or
1725         warn if older binutils found.
1726         (LTO_BINARY_READER): New AC_SUBST'd variable.
1727         (LTO_USE_LIBELF): Likewise.
1728         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1729         variable.
1730         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1731         (LTO_USE_LIBELF): Likewise.
1732         * configure: Regenerate.
1733
1734         * collect2.c (is_elf): Rename from this ...
1735         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1736          object files in addition to ELF-formatted ones.
1737         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1738         symbol to be prefixed or not by an extra underscore.
1739
1740         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1741         * config/i386/winnt.c: Also #include lto-streamer.h
1742         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1743         LTO named sections.
1744         (i386_pe_asm_output_aligned_decl_common): Add comment.
1745         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1746
1747 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1748
1749         PR target/43889
1750         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1751         Add missing earlyclobber for second alternative.
1752
1753 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1754
1755         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1756         bits for artificial defs at the top of the block.
1757         * fwprop.c (single_def_use_enter_block): Don't call it.
1758
1759 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1760
1761         PR 43715
1762         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1763         instead of "$gcc_cv_objdump -T".
1764         Use "-undefined dynamic_lookup" on darwin.
1765         * gcc/configure: Regenerate.
1766
1767 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1768
1769         PR c/43893
1770         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1771
1772 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1773
1774         * c-parser.c (struct c_token): Move location field up.
1775         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1776         (struct c_declspecs): Convert typespec_word, storage_class, and
1777         default_int_p into bitfields.
1778         (struct c_declarator): Move loc field up.
1779
1780 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1781
1782         * cfgloop.h (struct loop): Move can_be_parallel field up.
1783         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1784         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1785         down.
1786         (struct iv_cand): Convert pos field into a bitfield.
1787         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1788         field up.
1789         (struct _stmt_vec_info): Shuffle fields for better packing.
1790
1791 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1792
1793         * varasm.c (IN_NAMED_SECTION): Remove guard.
1794         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1795         (IN_NAMED_SECTION_P): ...this.
1796         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1797         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1798
1799 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1800
1801         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1802         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1803         of shadowing it.  Fix comments.
1804
1805 2010-04-26  Jan Hubicka  <jh@suse.cz>
1806
1807         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1808         (cgraph_clone_node): Copy function frequency.
1809         * cgraph.h (node_frequency): New enum
1810         (struct cgraph_node): Add.
1811         * final.c (rest_of_clean_state): Update.
1812         * lto-cgraph.c (lto_output_node): Output node frequency.
1813         (input_overwrite_node): Input node frequency.
1814         * tre-ssa-loop-ivopts (computation_cost): Update.
1815         * lto-streamer-out.c (output_function): Do not output function
1816         frequency.
1817         * predict.c (maybe_hot_frequency_p): Update and handle functions
1818         executed once.
1819         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1820         attribute lookup.
1821         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1822         (compute_function_frequency): Set noreturn functions to be executed
1823         once.
1824         (choose_function_section): Update.
1825         * lto-streamer-in.c (input_function): Do not input function frequency.
1826         * function.c (allocate_struct_function): Do not initialize function
1827         frequency.
1828         * function.h (function_frequency): Remove.
1829         (struct function): Remove function frequency.
1830         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1831         (try_update): Update.
1832         * tree-inline.c (initialize_cfun): Do not update function frequency.
1833         * passes.c (pass_init_dump_file): Update.
1834         * i386.c (ix86_compute_frame_layout): Update.
1835         (ix86_pad_returns): Update.
1836
1837 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1838
1839         PR tree-optimization/43833
1840         * tree-vrp.c (range_int_cst_p): New.
1841         (range_int_cst_singleton_p): New.
1842         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1843         when both operands are constants.  Use range_int_cst_p in
1844         BIT_IOR_EXPR case.
1845
1846 2010-04-26  Jan Hubicka  <jh@suse.cz>
1847
1848         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1849
1850 2010-04-26  Richard Guenther  <rguenther@suse.de>
1851
1852         PR lto/43080
1853         * gimple.c (gimple_decl_printable_name): Deal gracefully
1854         with a NULL DECL_NAME.
1855
1856 2010-04-26  Richard Guenther  <rguenther@suse.de>
1857
1858         PR lto/42425
1859         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1860         if emitting debug information and it is either a function
1861         or a namespace decl.
1862
1863 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1864
1865         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1866         determine if the statement is vectorizable, and a macro to access it.
1867         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1868         Skip statements that can't be vectorized. If the analysis fails,
1869         mark the statement as unvectorizable if vectorizing basic block.
1870         (vect_compute_data_refs_alignment): Likewise.
1871         (vect_verify_datarefs_alignment): Skip statements marked as
1872         unvectorizable. Add print.
1873         (vect_analyze_group_access): Skip statements that can't be
1874         vectorized. If the analysis fails, mark the statement as
1875         unvectorizable if vectorizing basic block.
1876         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1877         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1878         generated stmts for SLP.
1879         (new_stmt_vec_info): Initialize the new field.
1880         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1881         statements marked as unvectorizable.
1882
1883 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1884
1885         * c-common.c (flag_isoc1x): New.
1886         (flag_isoc99): Update comment.
1887         * c-common.h (flag_isoc1x): New.
1888         (flag_isoc99): Update comment.
1889         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1890         __<type>_DECIMAL_DIG__.
1891         * c-opts.c (set_std_c1x): New.
1892         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1893         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1894         * c.opt (-std=c1x, -std=gnu1x): New options.
1895         * doc/cpp.texi: Mention -std=c1x.
1896         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1897         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1898         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1899         * doc/standards.texi: Mention C1X.
1900         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1901         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1902         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1903         Define for C1X.
1904
1905 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1906
1907         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1908         placeholder from 0x%x to %#x.
1909         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1910         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1911         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1912         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1913         * config/i386/i386.c (ix86_target_string): Ditto.
1914         (output_pic_addr_const): Ditto.
1915         (print_operand): Ditto.
1916
1917 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1918
1919         * combine.c (find_split_point): Add third argument.  Use it
1920         to find nested multiply-accumulate instructions.  Adjust calls.
1921         (try_combine): Adjust call to find_split_point.
1922
1923 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1924
1925         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1926
1927 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1928
1929         PR tree-optimization/41442
1930         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1931         (fold_binary_loc): Call it.
1932
1933 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1934
1935         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1936         * opts.c (common_handle_option): Allow disabling it.
1937         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1938
1939 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1940
1941         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1942         between modes if both types are integral.
1943
1944 2010-04-23  Richard Guenther  <rguenther@suse.de>
1945
1946         PR tree-optimization/43572
1947         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1948
1949 2010-04-23  Richard Guenther  <rguenther@suse.de>
1950
1951         PR lto/43455
1952         * tree-inline.c (tree_can_inline_p): Also check compatibility
1953         of return types.
1954
1955 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1956
1957         PR tree-optimization/43846
1958         * tree-sra.c (struct access): New flag grp_assignment_read.
1959         (build_accesses_from_assign): Set grp_assignment_read.
1960         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1961         (enum mark_read_status): New type.
1962         (analyze_access_subtree): Propagate grp_assignment_read, create
1963         accesses also if both direct_read and root->grp_assignment_read.
1964
1965 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1966
1967         PR middle-end/43835
1968         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1969         function does not have type attributes.
1970
1971 2010-04-23  Richard Guenther  <rguenther@suse.de>
1972
1973         PR lto/42653
1974         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1975         of FUNCTION_DECLs.
1976
1977 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1978
1979         * sese.h (create_if_region_on_edge): Remove.
1980
1981         * sese.c (create_if_region_on_edge): Make static.
1982
1983         * tree-inline.c: Do not include ggc.h.
1984
1985         * expr.c: Do not include ggc.h.
1986
1987         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1988         dependencies.
1989
1990 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1991
1992         PR target/43744
1993         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1994         in the middle of insns for casesi_worker_2.
1995
1996 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1997
1998         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1999
2000 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2001
2002         PR tree-optimization/43842
2003         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2004         loop unrolling in update of exit phis. Fix comment.
2005         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2006         least two reduction statements in the loop before starting SLP
2007         analysis.
2008
2009 2010-04-22  Nick Clifton  <nickc@redhat.com>
2010
2011         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2012
2013 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2014
2015         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2016         to simplify a + ~a.
2017
2018 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2019
2020         * tree-parloops.c (loop_parallel_p): New argument
2021         parloop_obstack.  Pass it down.
2022         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2023         pass it down, free it.
2024
2025         * tree-loop-linear.c (linear_transform_loops): Pass down
2026         lambda_obstack.
2027
2028         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2029         of type struct obstack *.
2030
2031         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2032         scratch_obstack.  Initialize it, pass down, free it.
2033
2034         * lambda.h (lambda_loop_new): Remove.
2035         (lambda_matrix_new, lambda_matrix_inverse)
2036         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2037         argument of type struct obstack *.
2038
2039         * lambda-trans.c (lambda_trans_matrix_new): New argument
2040         lambda_obstack.  Pass it down, use obstack allocation for ret.
2041         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2042         it down.
2043
2044         * lambda-mat.c (lambda_matrix_get_column)
2045         (lambda_matrix_project_to_null): Remove.
2046         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2047         allocation for mat.
2048         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2049         lambda_obstack.
2050
2051         * lambda-code.c (lambda_loop_new): New function.
2052         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2053         (lambda_compute_auxillary_space, lambda_compute_target_space)
2054         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2055         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2056         (build_access_matrix): New argument lambda_obstack.  Use obstack
2057         allocation for am.
2058         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2059         argument lambda_obstack.  Pass it down.
2060
2061 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2062
2063         * optabs.h (expand_widening_mult): Declare.
2064
2065 2010-04-22  Richard Guenther  <rguenther@suse.de>
2066
2067         PR tree-optimization/43845
2068         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2069         lookup the CALL_EXPR function and arguments.
2070
2071 2010-04-22  Nick Clifton  <nickc@redhat.com>
2072
2073         * config/stormy16/stormy16.c
2074         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2075         * config/stormy16/stormy16.h: Tidy up formatting.
2076         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2077         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2078         (ineqbranchsi): Delete pattern.
2079         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2080         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2081         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2082         stormy16-lib2-ucmpsi2.c.
2083
2084 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2085
2086         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2087         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2088         extra set merge_set_noclobber, and use it to relax the final test
2089         slightly.
2090         * df.h (df_simulate_find_noclobber_defs): Declare.
2091         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2092         conditional defs.
2093         (df_simulate_find_noclobber_defs): New function.
2094
2095 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2096
2097         * config/i386/i386.md: Use {} around multi-line preparation statements.
2098
2099 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2100
2101         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2102         (process_init_element): New argument of type struct obstack *.
2103
2104         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2105         (set_init_index, set_init_label, set_nonincremental_init)
2106         (set_nonincremental_init_from_string, find_init_member)
2107         (output_init_element, output_pending_init_elements)
2108         (process_init_element): New argument braced_init_obstack.  Pass it
2109         down.
2110         (push_range_stack, add_pending_init): New argument
2111         braced_init_obstack.  Use obstack allocation.
2112
2113         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2114         braced_init_obstack.  Pass it down.
2115         (c_parser_braced_init): New variables ret, braced_init_obstack.
2116         Initialize obstack, pass it down and finally free it.
2117
2118 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2119
2120         PR middle-end/29274
2121         * tree-pass.h (pass_optimize_widening_mul): Declare.
2122         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2123         gate_optimize_widening_mul): New static functions.
2124         (pass_optimize_widening_mul): New.
2125         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2126         <case MULT_EXPR>: Remove support for widening multiplies.
2127         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2128         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2129         simplify_gen_unary rather than directly building extensions.
2130         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2131         WIDEN_MULT_EXPR.
2132         * expmed.c (expand_widening_mult): New function.
2133         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2134
2135 2010-04-21  Jan Hubicka  <jh@suse.cz>
2136
2137         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2138         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2139         * lto-wpa-fixup.c: Remove.
2140         * Makefile.in (lto-wpa-fixup.o): Remove.
2141         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2142         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2143         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2144
2145 2010-04-21  Jan Hubicka  <jh@suse.cz>
2146
2147         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2148         add write_optimization_summary, read_optimization_summary.
2149         (ipa_write_summaries_of_cgraph_node_set): Remove.
2150         (ipa_write_optimization_summaries): Declare.
2151         (ipa_read_optimization_summaries): Declare.
2152         * ipa-cp.c (pass_ipa_cp): Update.
2153         * ipa-reference.c (pass_ipa_reference): Update.
2154         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2155         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2156         Update.
2157         * ipa-inline.c (pass_ipa_inline): Update.
2158         * ipa.c (pass_ipa_whole_program): Update.
2159         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2160         * passes.c (ipa_write_summaries_1): Do not test wpa.
2161         (ipa_write_optimization_summaries_1): New.
2162         (ipa_write_optimization_summaries): New.
2163         (ipa_read_summaries): Do not test ltrans.
2164         (ipa_read_optimization_summaries_1): New.
2165         (ipa_read_optimization_summaries): New.
2166
2167 2010-04-21  Jan Hubicka  <jh@suse.cz>
2168
2169         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2170         for boundary nodes.
2171         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2172
2173 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2174
2175         PR debug/40040
2176         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2177         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2178
2179 2010-04-21  Jan Hubicka  <jh@suse.cz>
2180
2181         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2182
2183 2010-04-21  Jan Hubicka  <jh@suse.cz>
2184
2185         * varpool.c (decide_is_variable_needed): Variable is always needed
2186         during ltrans.
2187
2188 2010-04-21  Jan Hubicka  <jh@suse.cz>
2189
2190         * opts.c (decode_options): Enable pure-const pass for whopr.
2191
2192 2010-04-21  Jan Hubicka  <jh@suse.cz>
2193
2194         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2195         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2196         at WPA dumping.
2197         (cgraph_decide_inlining): Do not expect callee to be removed in all
2198         cases.
2199
2200 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2201
2202         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2203
2204 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2205
2206         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2207         amdfam10_decode attributes.
2208
2209 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2210
2211         PR middle-end/43570
2212         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2213         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2214         (lower_copyprivate_clauses): Use private var in outer
2215         context instead of original var.  Make sure the types
2216         are correct for VLAs.
2217
2218 2010-04-21  Richard Guenther  <rguenther@suse.de>
2219
2220         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2221         to non-pointer objects.
2222
2223 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2224
2225         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2226         last chain entry if it starts with the still current label.
2227         (add_location_or_const_value_attribute): Check that
2228         loc_list->first->next is NULL instead of comparing ->first with ->last.
2229         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2230         to add_var_loc_to_decl.
2231
2232         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2233         >= 4 add also address size and segment size fields into CIE header.
2234
2235         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2236         long as address size is the same as sizeof (void *) and
2237         segment size is 0.
2238         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2239         address size or segment size is unexpected, return DW_EH_PE_omit.
2240         (classify_object_over_fdes): If get_cie_encoding returned
2241         DW_EH_PE_omit, return -1.
2242         (init_object): If classify_object_over_fdes returned -1,
2243         pretend there were no FDEs at all.
2244
2245 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2246
2247         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2248         bswap{si,di}2 using SWI48 mode iterator.
2249         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2250         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2251         set modrm attribute of bswap insn to 0 and remove length attribute.
2252         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2253         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2254         set mode attribute to <MODE> and remove length attribute.
2255
2256 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2257
2258         PR rtl-optimization/43520
2259         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2260         zero available registers.
2261
2262 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2263
2264         * builtins.c (fold_builtin_cproj): Fold more cases.
2265
2266 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2267
2268         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2269         (fold_builtin_1): Fold builtin cproj.
2270         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2271         Use ATTR_CONST_NOTHROW_LIST.
2272
2273 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2274
2275         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2276         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2277         ffsi2_no_cmove for !TARGET_CMOVE.
2278         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2279         (ffssi2): Remove expander.
2280         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2281         mode iterator.
2282         (ctz<mode>2): Ditto from ctz{si,di}2.
2283         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2284         mode iterator.
2285         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2286         mode iterator.
2287
2288 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2289
2290         * dwarf2out.c (AT_linkage_name): Define.
2291         (clone_as_declaration): Handle DW_AT_linkage_name.
2292         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2293         of DW_AT_MIPS_linkage_name.
2294         (move_linkage_attr): Likewise.
2295         (dwarf2out_finish): Likewise.
2296
2297 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2298
2299         PR middle-end/41952
2300         * fold-const.c (fold_comparison): New folding rule.
2301
2302 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2303
2304         * double-int.h (double_int_setbit): Declare.
2305         * double-int.c (double_int_setbit): New function.
2306         * rtl.h (immed_double_int_const): Declare.
2307         * emit-rtl.c (immed_double_int_const): New function.
2308         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2309         and immed_double_int_const functions.
2310         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2311         expand_copysign_bit):  (Ditto.).
2312         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2313         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2314         * dojump.c (prefer_and_bit_test): (Ditto.).
2315         * expr.c (convert_modes, reduce_to_bit_field_precision,
2316         const_vector_from_tree): (Ditto.).
2317         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2318
2319 2010-04-20  Jan Hubicka  <jh@suse.cz>
2320
2321         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2322         (dump_cgraph_node): Dump new flags.
2323         * cgraph.h (struct cgraph_node): Add flags
2324         reachable_from_other_partition and in_other_partition.
2325         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2326         other partition can not be removed.
2327         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2328         the other partition must be output; silence sanity checking on
2329         leaking functions bodies from other paritition.
2330         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2331         (lto_output_node): Output new flags; do not sanity check that inline
2332         clones are output; drop lto_forced_extern_inline_p code; do not mock
2333         visibility flags at partition boundaries.
2334         (add_node_to): New function.
2335         (output_cgraph): Use it to sort functions so masters appear before
2336         clones.
2337         (input_overwrite_node): Input new flags.
2338         * passes.c (ipa_write_summaries): Do not call
2339         lto_new_extern_inline_states.
2340         * lto-section-out.c (forced_extern_inline,
2341         lto_new_extern_inline_states lto_delete_extern_inline_states,
2342         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2343         * lto-streamer.h (lto_new_extern_inline_states,
2344         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2345         lto_forced_extern_inline_p): Kill.
2346
2347 2010-04-20  Richard Guenther  <rguenther@suse.de>
2348
2349         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2350         from vars that can have pointers.
2351         (process_constraint): Dump useless constraints.
2352
2353 2010-04-20  Richard Guenther  <rguenther@suse.de>
2354
2355         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2356         (dump_sa_points_to_info): Remove asserts.
2357         (init_base_vars): nothing_id isn't an escape point nor does it
2358         have pointers.
2359
2360 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2361
2362         * tree.h (TYPE_REF_IS_RVALUE): Define.
2363         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2364         should_move_die_to_comdat, prune_unused_types_walk): Handle
2365         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2366         (modified_type_die, gen_reference_type_die): Emit
2367         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2368         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2369
2370 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2371
2372         PR target/43635
2373         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2374         calls for -fpic -m31 if they have been sibcall optimized.
2375
2376 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2377
2378         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2379         ar.lc fixed and call-used.
2380
2381         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2382
2383 2010-04-19  Jan Hubicka  <jh@suse.cz>
2384
2385         * opts.c (decode_options): Disable whpr incompatible passes.
2386         * lto/lto.c (lto_1_to_1_map): Skip clones.
2387         (read_cgraph_and_symbols): Do not mark everything as needed.
2388         (do_whole_program_analysis): Do map only after optimizing;
2389         set proper cgraph_state; use passmanager.
2390
2391 2010-04-19  DJ Delorie  <dj@redhat.com>
2392
2393         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2394         POINTER_PLUS_EXPR and fix them.
2395
2396 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2397
2398         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2399         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2400         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2401         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2402         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2403         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2404         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2405         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2406         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2407         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2408         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2409
2410 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2411
2412         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2413         (check_cond_move_block): Likewise.
2414         (cond_move_process_if_block): Likewise.
2415         (noce_find_if_block): Improve formatting.
2416         (find_if_header): Pass 0 to memset and tweak conditions.
2417         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2418
2419 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2420
2421         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2422         for -gdwarf-4.
2423
2424         PR middle-end/43337
2425         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2426         with non-local decl doesn't need chain.
2427
2428 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2429
2430         * ira-color.c (allocno_reload_assign): Avoid accumulating
2431         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2432
2433 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2434
2435         * gimple.h (create_tmp_reg): Declare.
2436         * gimplify.c (create_tmp_reg): New function.
2437         (gimplify_return_expr): Use create_tmp_reg.
2438         (gimplify_omp_atomic): Likewise.
2439         (gimple_regimplify_operands): Likewise.
2440         * tree-dfa.c (make_rename_temp): Likewise.
2441         * tree-predcom.c (predcom_tmp_var): Likewise.
2442         (reassociate_to_the_same_stmt): Likewise.
2443         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2444         (get_replaced_param_substitute): Likewise.
2445         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2446         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2447         * tree-ssa-pre.c (get_representative_for): Likewise.
2448         (create_expression_by_pieces): Likewise.
2449         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2450         (create_tailcall_accumulator): Likewise.
2451
2452 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2453
2454         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2455         new_stmt.
2456         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2457
2458 2010-04-19  Richard Guenther  <rguenther@suse.de>
2459
2460         PR tree-optimization/43796
2461         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2462         from SCEV in the lattice.
2463         (vrp_visit_phi_node): Dump change.
2464
2465 2010-04-19  Richard Guenther  <rguenther@suse.de>
2466
2467         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2468         * configure: Re-generated.
2469
2470 2010-04-19  Richard Guenther  <rguenther@suse.de>
2471
2472         PR tree-optimization/43783
2473         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2474         constant ARRAY_REF operands two and three if possible.
2475
2476 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2477
2478         PR target/43766
2479         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2480
2481 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2482
2483         PR target/43662
2484         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2485
2486 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2487
2488         PR tree-optimization/37027
2489         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2490         and macro to access it.
2491         (vectorizable_reduction): Add argument.
2492         (vect_get_slp_defs): Likewise.
2493         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2494         statements for possible use in SLP.
2495         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2496         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2497         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2498         add new argument.
2499         (vectorizable_reduction): Likewise.
2500         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2501         vect_get_slp_defs.
2502         (vectorizable_type_demotion, vectorizable_type_promotion,
2503         vectorizable_store): Likewise.
2504         (vect_analyze_stmt): Update call to vectorizable_reduction.
2505         (vect_transform_stmt): Likewise.
2506         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2507         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2508         from different interleaving chains in same node.
2509         (vect_slp_rearrange_stmts): New function.
2510         (vect_supported_load_permutation_p): Allow load permutations for
2511         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2512         inside SLP nodes if necessary.
2513         (vect_analyze_slp_instance): Handle reductions.
2514         (vect_analyze_slp): Try to build SLP instances originating from groups
2515         of reductions.
2516         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2517         (vect_get_constant_vectors): Create initial vectors for reductions
2518         according to reduction code. Add new argument.
2519         (vect_get_slp_defs): Add new argument, pass it to
2520         vect_get_constant_vectors.
2521         (vect_schedule_slp_instance): Remove SLP tree root statements.
2522
2523 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2524
2525         * tree.h (ENUM_IS_SCOPED): Define.
2526         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2527         for ENUM_IS_SCOPED enums.
2528
2529 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2530
2531         * fold-const.c (fold_comparison): Use ssizetype.
2532         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2533         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2534         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2535         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2536
2537         * tree.h (initialize_sizetypes): Remove parameter.
2538         (build_common_tree_nodes): Remove second parameter.
2539         * stor-layout.c (initialize_sizetypes): Remove parameter.
2540         Always create an unsigned type.
2541         (set_sizetype): Assert that the passed type is unsigned and simplify.
2542         * tree.c (build_common_tree_nodes): Remove second parameter.
2543         Adjust call to initialize_sizetypes.
2544         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2545         build_common_tree_nodes.
2546
2547 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2548
2549         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2550
2551 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2552
2553         PR tree-optimization/43771
2554         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2555         load permutation doesn't have gaps.
2556
2557 2010-04-18  Jan Hubicka  <jh@suse.cz>
2558
2559         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2560         (sse_prologue_save_insn expander): Use new pattern.
2561         (sse_prologue_save_insn1): New pattern and splitter.
2562         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2563         blocks.
2564         * i386.c (setup_incoming_varargs_64): Do not compute jump
2565         destination here.
2566         (ix86_gimplify_va_arg): Update alignment needed.
2567         (ix86_local_alignment): Do not align all local arrays to 128bit.
2568
2569 2010-04-17  Jan Hubicka  <jh@suse.cz>
2570
2571         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2572
2573 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2574
2575         * arm.md (negdi2): Remove redundant code to force values into a
2576         register.
2577
2578 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2579
2580         * arm/bpabi.S: Add EABI alignment attributes to objects.
2581         * arm/bpabi-v6m.S: Likewise.
2582         * arm/crti.asm: Likewise.
2583         * arm/crtn.asm: Likewise.
2584         * arm/lib1funcs.asm: Likewise.
2585         * arm/libunwind.S: Likewise.
2586
2587 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2588
2589         * arm-protos.h (tune_params): New structure.
2590         * arm.c (current_tune): New variable.
2591         (arm_constant_limit): Delete.
2592         (struct processors): Add pointer to the tune parameters.
2593         (arm_slowmul_tune): New tuning option.
2594         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2595         (all_cores): Adjust to pick up the tuning model.
2596         (arm_constant_limit): New function.
2597         (arm_override_options): Select the appropriate tuning model.  Delete
2598         initialization of arm_const_limit.
2599         (arm_split_constant): Use the new constant-limit model.
2600         (arm_rtx_costs): Pick up the current tuning model.
2601         * arm.md (is_strongarm, is_xscale): Delete.
2602         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2603         for Xscale variant architectures.
2604         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2605
2606 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2607
2608         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2609         can_shift.
2610         (arm_rtx_costs_1): Remove unused variable extra_cost.
2611         (arm_unwind_emit_set): Use variable offset.
2612         (thumb1_output_casesi): Remove unused variable flags.
2613
2614 2010-04-16  Jeff Law  <law@redhat.com>
2615
2616         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2617         needing assignment rather than doing a two-phase assignment.  Remove
2618         unused variable 'm'.
2619
2620 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2621
2622         PR bootstrap/43767
2623         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2624
2625 2010-04-16  Doug Kwan  <dougkwan@google.com>
2626
2627         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2628         (next_operand_entry_id): New static variable.
2629         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2630         (add_to_ops_vec): Assigned unique ID to operand entry.
2631         (struct oecount_s): New field ID.
2632         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2633         (undistribute_ops_list): Assign unique IDs to oecounts.
2634         (init_reassoc): reset next_operand_entry_id.
2635
2636 2010-04-16  Doug Kwan  <dougkwan@google.com>
2637
2638         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2639         missing left parenthesis.
2640
2641 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2642
2643         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2644         *btdi_rex64 using SWI48 mode iterator.
2645         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2646         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2647         *jcc_btdi_mask_rex64.
2648
2649 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2650
2651         * double-int.h (tree_to_double_int): Convert to macro.
2652         * double-int.c (tree_to_double_int): Remove.
2653
2654 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2655
2656         PR debug/43762
2657         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2658         with want_address 2 and in case a single element list might be
2659         possible, call it again with want_address 0.
2660
2661 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2662
2663         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2664         case 'W' print operands for HI mode.
2665         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2666         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2667         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2668         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2669
2670         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2671
2672         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2673         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2674         #xx:3 and #xx:4 mode.
2675
2676         * config/h8300/h8300.md (inverted load with HImode dest): Add
2677         support for H8300SX.
2678
2679         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2680         satisfy 'U' constraint.
2681
2682 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2683
2684         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2685         * configure: Regenerate.
2686         * config.in: Regenerate.
2687         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2688         works.
2689
2690 2010-04-16  Richard Guenther  <rguenther@suse.de>
2691
2692         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2693         (struct tree_decl_common): ... here.
2694         (DECL_PT_UID): Adjust.
2695         (SET_DECL_PT_UID): Likewise.
2696         (DECL_PT_UID_SET_P): Likewise.
2697
2698 2010-04-16  Richard Guenther  <rguenther@suse.de>
2699
2700         PR tree-optimization/43572
2701         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2702         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2703         * tree-flow.h (is_call_clobbered): Remove.
2704         * tree-flow-inline.h (is_call_clobbered): Likewise.
2705         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2706         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2707         (execute_return_slot_opt): Adjust.
2708         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2709         check for call clobbered vars here.
2710         (find_tail_calls): Move tailcall verification to the
2711         proper place.
2712
2713 2010-04-16  Diego Novillo  <dnovillo@google.com>
2714
2715         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2716
2717 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2718
2719         PR target/40603
2720         * config/arm/arm.md (cbranchqi4): New pattern.
2721         * config/arm/predicates.md (const0_operand,
2722         cbranchqi4_comparison_operator): New predicates.
2723
2724 2010-04-16  Richard Guenther  <rguenther@suse.de>
2725
2726         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2727         (dump_gimple_stmt): Likewise.
2728
2729 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2730
2731         * recog.h (struct recog_data): New field is_operator.
2732         (struct insn_operand_data): New field is_operator.
2733         * recog.c (extract_insn): Set recog_data.is_operator.
2734         * genoutput.c (output_operand_data): Emit code to set the
2735         is_operator field.
2736         * reload.c (find_reloads): Use it rather than testing for an
2737         empty constraint string.
2738
2739         PR target/41514
2740         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2741         If the previous insn is a cbranchsi4_insn with the same arguments,
2742         omit the compare instruction.
2743
2744         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2745         register, inputs must be low registers and we need a low register
2746         scratch.  Handle alternative 2 like alternative 3.
2747
2748 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2749
2750         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2751         don't call get_addr on both.  If one expression is a VALUE and
2752         the other a REG, check VALUE's locs if the REG isn't among them.
2753
2754 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2755
2756         * config/sh/sh.h (sh_frame_pointer_required): New function.
2757         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2758         (flag_omit_frame_pointer) Set.
2759         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2760         (rounded_frame_size): Adjust size with outgoing_args_size.
2761         (sh_set_return_address): Must return from stack pointer.
2762         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2763         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2764         (ACCUMULATE_OUTGOING_ARGS): Define.
2765         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2766         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2767
2768 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2769
2770         PR target/43471
2771         * config/sh/sh.c (sh_legitimize_reload_address): Use
2772         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2773         Remove a unneeded check for offset_base.
2774
2775 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2776
2777         * configure: Regenerated.
2778
2779 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2780
2781         * config/s390/s390.c (s390_call_save_register_used): Switch back
2782         to HARD_REGNO_NREGS.
2783
2784 2010-04-15  Richard Guenther  <rguenther@suse.de>
2785
2786         * alias.c (alias_set_subset_of): Handle alias-set zero
2787         child properly.
2788
2789 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2790             Julian Brown  <julian@codesourcery.com>
2791
2792         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2793         alternatives according to use of high and low regs.
2794         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2795         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2796         optimizing for size on Thumb-2.
2797
2798 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2799
2800         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2801
2802 2010-04-15  Richard Guenther  <rguenther@suse.de>
2803
2804         * tree-ssa-structalias.c (struct variable_info): Add
2805         is_fn_info flag.
2806         (new_var_info): Initialize it.
2807         (dump_constraints): Support printing last added constraints.
2808         (debug_constraints): Adjust.
2809         (dump_constraint_graph): Likewise.
2810         (make_heapvar_for): Check for NULL cfun.
2811         (get_function_part_constraint): New function.
2812         (get_fi_for_callee): Likewise.
2813         (find_func_aliases): Properly implement IPA PTA constraints.
2814         (process_ipa_clobber): New function.
2815         (find_func_clobbers): Likewise.
2816         (insert_into_field_list_sorted): Remove.
2817         (create_function_info_for): Properly allocate vars for IPA mode.
2818         Do not use insert_into_field_list_sorted.
2819         (create_variable_info_for): Properly generate constraints for
2820         global vars in IPA mode.
2821         (dump_solution_for_var): Always dump the solution.
2822         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2823         (find_what_var_points_to): Adjust.
2824         (pt_solution_set): Change.
2825         (pt_solution_ior_into): New function.
2826         (pt_solution_empty_p): Export.
2827         (pt_solution_includes_global): Adjust.
2828         (pt_solution_includes_1): Likewise.
2829         (pt_solutions_intersect_1): Likewise.
2830         (dump_sa_points_to_info): Check some invariants.
2831         (solve_constraints): Move constraint dumping ...
2832         (compute_points_to_sets): ... here.
2833         (ipa_pta_execute): ... and here.
2834         (compute_may_aliases): Do not re-compute points-to info
2835         locally if IPA info is available.
2836         (ipa_escaped_pt): New global var.
2837         (ipa_pta_execute): Properly implement IPA PTA.
2838         * tree-into-ssa.c (dump_decl_set): Support dumping
2839         decls not in referenced-vars.
2840         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2841         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2842         (dump_points_to_solution): Likewise.
2843         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2844         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2845         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2846         (copy_decl_to_var): Copy DECL_PT_UID.
2847         (copy_result_decl_to_var): Likewise.
2848         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2849         (copy_node_stat): Copy it.
2850         * tree.h (DECL_PT_UID): New macro.
2851         (SET_DECL_PT_UID): Likewise.
2852         (DECL_PT_UID_SET_P): Likewise.
2853         (struct tree_decl_minimal): Add pt_uid member.
2854         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2855         (pt_solution_empty_p): Declare.
2856         (pt_solution_set): Adjust.
2857         (ipa_escaped_pt): Declare.
2858         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2859         * gimple-pretty-print.c (pp_points_to_solution): New function.
2860         (dump_gimple_call): Dump call clobber/use information.
2861         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2862         * tree-pass.h (TDF_ALIAS): New dump option.
2863         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2864         * doc/invoke.texi (-fipa-pta): Update documentation.
2865
2866 2010-04-15  Richard Guenther  <rguenther@suse.de>
2867
2868         * Makefile.in (OBJS-common): Add gimple-fold.o.
2869         (gimple-fold.o): New rule.
2870         * tree.h (maybe_fold_offset_to_reference,
2871         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2872         prototypes ...
2873         * gimple.h: ... here.
2874         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2875         may_propagate_address_into_dereference): Move prototypes ...
2876         * gimple.h: ... here.
2877         * tree-ssa-ccp.c (get_symbol_constant_value,
2878         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2879         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2880         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2881         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2882         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2883         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2884         gimplify_and_update_call_from_tree): Move ...
2885         * gimple-fold.c: ... here.  New file.
2886         (ccp_fold_builtin): Rename to ...
2887         (gimple_fold_builtin): ... this.
2888         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2889
2890 2010-04-15  Richard Guenther  <rguenther@suse.de>
2891
2892         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2893         fit_double_type, force_fit_type_double, add_double_with_sign,
2894         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2895         lrotate_double, rrotate_double, div_and_round_double): Move ...
2896         * double-int.c: ... here.
2897         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2898         add_double, neg_double, mul_double_with_sign, mul_double,
2899         lshift_double, rshift_double, lrotate_double, rrotate_double,
2900         div_and_round_double): Move prototypes ...
2901         * double-int.h: ... here.
2902
2903 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2904
2905         PR target/43742
2906         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2907         matching constraints to ensure inputs match the output.
2908
2909 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2910
2911         PR target/43742
2912         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2913         in an input-only operand.
2914
2915 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2916
2917         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2918         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2919         (double_int_negative_p): Convert to static inline function.
2920         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2921         (double_int_negative_p): Remove.
2922         * tree.h (lshift_double, rshift_double):
2923         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2924         * fold-const.c (fold_convert_const_int_from_real,
2925         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2926         (lshift_double): Change type of arith argument to bool.
2927         (rshift_double): Change type of arith argument to bool. Correct
2928         comment.
2929         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2930
2931 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2932
2933         PR target/21803
2934         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2935         at the start and end of the then/else blocks, and omit them from the
2936         conversion.
2937         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2938         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2939         (flow_find_head_matching_sequence): New function.
2940         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2941         * basic-block.h (flow_find_cross_jump,
2942         flow_find_head_matching_sequence): Declare functions.
2943
2944 2010-04-14  Jason Merrill  <jason@redhat.com>
2945
2946         PR c++/36625
2947         * c-common.c (attribute_takes_identifier_p): New fn.
2948         * c-common.h: Declare it.
2949
2950 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2951
2952         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2953         splitter condition.
2954         (*udivmod<mode>4): Ditto.
2955
2956 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2957
2958         * config/i386/i386.md (maxmin_int): Rename code attribute from
2959         maxminiprefix and update all users.
2960         (maxmin_float): Ditto from maxminfprefix.
2961         (logic): Ditto from logicprefix.
2962         (absneg_mnemonic): Ditto from absnegprefix.
2963         * config/i386/mmx.md: Update all users of maxminiprefix,
2964         maxminfprefix and logicprefix for rename.
2965         * config/i386/sse.md: Ditto.
2966         * config/i386/sync.md (sync_<code><mode>): Update for
2967         logicprefix rename.
2968
2969 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2970
2971         PR 42966
2972         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2973         warnings converted to errors.
2974
2975 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2976
2977         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2978         used insn_type variable.
2979         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2980         to avoid set-but-not-used warning.
2981
2982 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2983
2984         * df-core.c (df_ref_debug): Change format string placeholder
2985         from 0x%x to %#x.
2986         * dwarf2asm.c (dw2_asm_output_data_raw,
2987         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2988         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2989         * dwarf2out.c (output_cfi, output_cfi_directive,
2990         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2991         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2992         Ditto.
2993         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2994         * print-rtl.c (print_rtx): Ditto.
2995
2996 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2997
2998         PR middle-end/42694
2999         * builtins.c (expand_builtin_pow_root): New function to expand pow
3000         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3001         series of sqrt and cbrt calls under -ffast-math.
3002         (expand_builtin_pow): Call it.
3003
3004 2010-04-14  Michael Matz  <matz@suse.de>
3005
3006         PR tree-optimization/42963
3007         * tree-cfg.c (touched_switch_bbs): New static variable.
3008         (group_case_labels_stmt): New function broken out from ...
3009         (group_case_labels): ... here, use the above.
3010         (start_recording_case_labels): Allocate touched_switch_bbs.
3011         (end_recording_case_labels): Deallocate it, call
3012         group_case_labels_stmt.
3013         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3014
3015 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3016
3017         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3018         from insn template.
3019
3020 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3021
3022         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3023
3024 2010-04-13  Jan Hubicka  <jh@suse.cz>
3025
3026         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3027         of optimized out static functions.
3028         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3029         cost computation.  Also sanity check for overflows.
3030         (update_caller_keys): Update cgraph_edge_badness call; properly
3031         update fibheap and sanity check that it is up to date.
3032         (add_new_edges_to_heap): Update cgraph_edge_badness.
3033         (cgraph_decide_inlining_of_small_function): Likewise;
3034         add sanity checking that badness in heap is up to date;
3035         improve dumping of reason; Update badness of calls to the
3036         offline copy of function currently inlined; dump badness
3037         of functions not inlined because of unit growth limits.
3038
3039 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3040
3041         PR middle-end/32628
3042         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3043         because of sign-extension change when converting to sizetype here...
3044         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3045
3046         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3047         the folding to constants.  Remove redundant final conversion.
3048         (fold_binary) <associate>: Do not associate if the re-association of
3049         constants alone overflows.
3050         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3051         to the end of the list.
3052         (multiple_of_p) <COND_EXPR>: New case.
3053
3054 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3055
3056         * opt-functions.awk (opt_sanitized_name): New.
3057         (opt_enum): New.
3058         * optc-gen.awk: Use it
3059         * opth-gen.awk: Use it.
3060
3061 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3062
3063         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3064         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3065         children.  Call replace_uses_with_default_def_ssa_name to handle
3066         SSA_NAES on lhs.
3067
3068 2010-04-13  Michael Matz  <matz@suse.de>
3069
3070         PR middle-end/43730
3071         * builtins.c (expand_builtin_interclass_mathfn): Also create
3072         a register if the predicate doesn't match.
3073
3074 2010-04-13  Diego Novillo  <dnovillo@google.com>
3075
3076         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3077         * c-pch.c: Include timevar.h.
3078         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3079         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3080         * ggc-common.c: Include timevar.h.
3081         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3082         * timevar.def (TV_PCH_SAVE): Define.
3083         (TV_PCH_CPP_SAVE): Define.
3084         (TV_PCH_PTR_REALLOC): Define.
3085         (TV_PCH_PTR_SORT): Define.
3086         (TV_PCH_RESTORE): Define.
3087         (TV_PCH_CPP_RESTORE): Define.
3088
3089 2010-04-13  Michael Matz  <matz@suse.de>
3090
3091         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3092         into MINUS_EXPRs.
3093         (can_reassociate_p): New function.
3094         (break_up_subtract_bb, reassociate_bb): Use it.
3095
3096 2010-04-13  Richard Guenther  <rguenther@suse.de>
3097
3098         PR bootstrap/43737
3099         * builtins.c (c_readstr): Fix assert.
3100
3101 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3102
3103         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3104         when generating cltd insn.
3105
3106         (*ashl<mode>3_1): Remove special handling for register operand 2.
3107         (*ashlsi3_1_zext): Ditto.
3108         (*ashlhi3_1): Ditto.
3109         (*ashlhi3_1_lea): Ditto.
3110         (*ashlqi3_1): Ditto.
3111         (*ashlqi3_1_lea): Ditto.
3112         (*<shiftrt_insn><mode>3_1): Ditto.
3113         (*<shiftrt_insn>si3_1_zext): Ditto.
3114         (*<shiftrt_insn>qi3_1_slp): Ditto.
3115         (*<rotate_insn><mode>3_1): Ditto.
3116         (*<rotate_insn>si3_1_zext): Ditto.
3117         (*<rotate_insn>qi3_1_slp): Ditto.
3118
3119 2010-04-13  Richard Guenther  <rguenther@suse.de>
3120
3121         * tree-ssa-structalias.c (callused_id): Remove.
3122         (call_stmt_vars): New.
3123         (get_call_vi): Likewise.
3124         (lookup_call_use_vi): Likewise.
3125         (lookup_call_clobber_vi): Likewise.
3126         (get_call_use_vi): Likewise.
3127         (get_call_clobber_vi): Likewise.
3128         (make_transitive_closure_constraints): Likewise.
3129         (handle_const_call): Adjust to do per-call call-used handling.
3130         (handle_pure_call): Likewise.
3131         (find_what_var_points_to): Remove general callused handling.
3132         (init_base_vars): Likewise.
3133         (init_alias_vars): Initialize call_stmt_vars.
3134         (compute_points_to_sets): Process call-used and call-clobbered
3135         vars for call statements.
3136         (delete_points_to_sets): Free call_stmt_vars.
3137
3138 2010-04-13  Richard Guenther  <rguenther@suse.de>
3139
3140         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3141         Only add RW dependence for dependence distance zero.
3142         Adjust maximal vectorization factor according to dependences.
3143         Move alignment handling ...
3144         (vect_find_same_alignment_drs): ... here.  New function.
3145         (vect_analyze_data_ref_dependences): Adjust.
3146         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3147         (vect_analyze_data_refs): Adjust minimal vectorization factor
3148         according to data references.
3149         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3150         dependences before determining the vectorization factor.
3151         Analyze alignment after determining the vectorization factor.
3152         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3153         dependences before alignment.
3154         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3155         Adjust prototype.
3156         (vect_analyze_data_refs): Likewise.
3157         (MAX_VECTORIZATION_FACTOR): New define.
3158
3159 2010-04-13  Duncan Sands  <baldrick@free.fr>
3160
3161         * except.h (lang_eh_type_covers): Remove.
3162         * except.c (lang_eh_type_covers): Likewise.
3163
3164 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3165             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3166
3167         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3168         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3169         UNITS_PER_LONG where it is ABI relevant.
3170         (s390_return_addr_rtx): Likewise.
3171         (s390_back_chain_rtx): Likewise.
3172         (s390_frame_area): Likewise.
3173         (s390_frame_info): Likewise.
3174         (s390_initial_elimination_offset): Likewise.
3175         (save_gprs): Likewise.
3176         (s390_emit_prologue): Likewise.
3177         (s390_emit_epilogue): Likewise.
3178         (s390_function_arg_advance): Likewise.
3179         (s390_function_arg): Likewise.
3180         (s390_va_start): Likewise.
3181         (s390_gimplify_va_arg): Likewise.
3182         (s390_function_profiler): Likewise.
3183         (s390_optimize_prologue): Likewise.
3184         (s390_rtx_costs): Likewise.
3185         (s390_secondary_reload): Likewise.
3186         (s390_promote_function_mode): Likewise.
3187         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3188         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3189         registers available.
3190         (s390_unwind_word_mode): New function.
3191         (s390_function_value): Split 64 bit values into register pair if
3192         used as return value.
3193         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3194         function call parameters.  Handle parallels.
3195         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3196         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3197         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3198         (s390_expand_setmem): Remove unused variable src_addr.
3199         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3200         deal with 64 bit registers.
3201         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3202         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3203         (UNITS_PER_LONG): New macro.
3204         * libjava/include/s390-signal.h: Define extended ucontext
3205         structure containing the upper halfs of the 64 bit registers.
3206
3207 2010-04-13  Simon Baldwin  <simonb@google.com>
3208
3209         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3210
3211 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3212
3213         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3214         rvalue on the RHS if the LHS is of a non-renamable type.
3215         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3216
3217 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3218
3219         * gcc.c (cc1_options): Handle -iplugindir before processing
3220         the cc1 spec. Only add -iplugindir once.
3221         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3222         found.
3223         * common.opt (iplugindir): Remove `Separate' property, initialize.
3224         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3225         option.
3226         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3227         (distclean): Remove plugin dir.
3228         * doc/invoke.texi: Document -iplugindir.
3229
3230 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3231
3232         * doc/plugins.texi (Loading Plugins): Document short
3233         -fplugin=foo option.
3234         (Plugin API): Mention default_plugin_dir_name function.
3235
3236         * gcc.c (find_file_spec_function): Add new declaration.
3237         (static_spec_func): Use it for "find-file".
3238         (find_file_spec_function): Add new function.
3239         (cc1_options): Add -iplugindir option if -fplugin* options found.
3240
3241         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3242
3243         * plugin.c (add_new_plugin): Updated comment, and handle short
3244         plugin name.
3245         (default_plugin_dir_name): Added new function.
3246
3247         * common.opt (iplugindir): New option to set the plugin directory.
3248
3249 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3250
3251         * config/i386/i386.md (any_rotate): New code iterator.
3252         (rotate_insn): New code attribute.
3253         (rotate): Ditto.
3254         (SWIM124): New mode iterator.
3255         (<rotate_insn>ti3): New expander.
3256         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3257         any_rotate code iterator.
3258         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3259         using any_rotate code iterator and SWIM124 mode iterator.
3260         (ix86_rotlti3): New insn_and_split pattern.
3261         (ix86_rotrti3): Ditto.
3262         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3263         ix86_rotl{di,ti}3 patterns.
3264         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3265         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3266         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3267         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3268         code iterator and SWI mode iterator.
3269         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3270         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3271         code iterator.
3272         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3273         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3274         (bswap rotatert splitter): Add splitter.
3275         (bswap splitter): Macroize splitter using any_rotate code iterator.
3276         Add insn predicate to split only for TARGET_USE_XCHGB or when
3277         optimizing function for size.
3278
3279 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3280
3281         * config/pa/pa.c (emit_move_sequence): Remove use of
3282         deleted variable flag_argument_noalias.
3283
3284 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3285
3286         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3287         configurations.
3288         Add to unsupported targets list.
3289         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3290         sparc*-sun-solaris2.[567]* from target lists.
3291         * configure: Regenerate.
3292         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3293         removal.
3294         Remove Solaris 7 patch references.
3295         (Specific, sparc-sun-solaris2.7): Removed.
3296         (sparc-sun-solaris2*): Update Solaris 7 example.
3297         (sparc64-*-solaris2*): Likewise.
3298
3299 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3300
3301         * config.build (alpha*-dec-osf4*): Remove.
3302         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3303         of obsolete configurations.
3304         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3305         support.
3306         * config/alpha/t-osf4: Renamed to ...
3307         * config/alpha/t-osf5: ... this.
3308         * config/alpha/osf.h: Renamed to ...
3309         * config/alpha/osf5.h: ... this.
3310         Merged old osf5.h contents.
3311         Update comments.
3312         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3313         (EXTRA_SPECS): Removed.
3314         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3315         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3316         Document that.
3317
3318 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3319
3320         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3321
3322 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3323
3324         PR/43702
3325         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3326         __thiscall convention.
3327
3328 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3329
3330         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3331         orig_base.
3332         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3333
3334 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3335
3336         * function.c (assign_parms_initialize_all): Add unused attribute
3337         to fntype.
3338
3339 2010-04-12  Richard Guenther  <rguenther@suse.de>
3340
3341         * gsstruct.def (GSS_CALL): New.
3342         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3343         * gimple.h: Include tree-ssa-alias.h.
3344         (struct gimple_statement_call): New.
3345         (union gimple_statement_struct_d): Add gimple_call member.
3346         (gimple_call_reset_alias_info): Declare.
3347         (gimple_call_use_set): New function.
3348         (gimple_call_clobber_set): Likewise.
3349         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3350         * gimple.c (gimple_call_reset_alias_info): New function.
3351         (gimple_build_call_1): Call it.
3352         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3353         * tree-inline.c (remap_gimple_stmt): Likewise.
3354         (expand_call_inline): Remove callused handling.
3355         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3356         * tree-dfa.c (dump_variable): Likewise.
3357         * tree-parloops.c (parallelize_loops): Likewise.
3358         * tree-ssa.c (init_tree_ssa): Likewise.
3359         (delete_tree_ssa): Likewise.
3360         * tree-flow-inline.h (is_call_used): Remove.
3361         * tree-flow.h (struct gimple_df): Remove callused member.
3362         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3363         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3364         (ref_maybe_used_by_call_p_1): Simplify.
3365         (call_may_clobber_ref_p_1): Likewise.
3366         * tree-ssa-structalias.c (compute_points_to_sets): Set
3367         the call stmt used and clobbered sets.
3368         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3369         (find_tail_calls): Verify the tail call.
3370
3371 2010-04-12  Richard Guenther  <rguenther@suse.de>
3372
3373         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3374         single-iteration always-inline inlining.
3375         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3376         (cgraph_decide_inlining): Do not handle always-inline specially.
3377         (try_inline): Remove always-inline cycle detection special case.
3378         Do not recurse on always-inlines.
3379         (cgraph_early_inlining): Do not iterate if not optimizing.
3380         (cgraph_gate_early_inlining): remove.
3381         (pass_early_inline): Run unconditionally.
3382         (gate_cgraph_decide_inlining): New function.
3383         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3384         not inlining or optimizing.
3385         (cgraph_decide_inlining_of_small_functions): Also consider
3386         always-inline functions.
3387         (cgraph_default_inline_p): Return true for nodes which should
3388         disregard inline limits.
3389         (estimate_function_body_sizes): Assume zero size and time for
3390         nodes which are marked as disregarding inline limits.
3391         (cgraph_decide_recursive_inlining): Do not perform recursive
3392         inlining on always-inline nodes.
3393
3394 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3395
3396         PR bootstrap/43699
3397         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3398         for exprs satisfying handled_component_p.
3399
3400 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3401
3402         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3403         non-constant aggregate elements.
3404
3405         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3406         is a real initialization.
3407
3408 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3409
3410         PR c/36774
3411         * c-decl.c (start_function): Move forward check for nested function.
3412
3413 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3414
3415         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3416         * config/sh/sh.c: Include reload.h.
3417         (sh_legitimize_reload_address): New.
3418         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3419         sh_legitimize_reload_address.
3420
3421 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3422
3423         * config/sh/sh.md (*movqi_pop): New insn pattern.
3424         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3425
3426 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3427
3428         * config/i386/i386.md (any_shiftrt): New code iterator.
3429         (shiftrt_insn): New code attribute.
3430         (shiftrt): Ditto.
3431         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3432         using any_shiftrt code iterator.
3433         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3434         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.