gcc/ChangeLog

   1 2009-08-30  Alan Modra  <amodra@bigpond.net.au>
   2
   3         PR target/41081
   4         * fwprop.c (get_reg_use_in): Delete.
   5         (free_load_extend): New function.
   6         (forward_propagate_subreg): Use it.
   7
   8 2009-08-29  Kaz Kojima  <kkojima@gcc.gnu.org>
   9
  10         * config.gcc (sh*-*-elf): Add superh stuff only for sh*-superh-elf.
  11
  12 2009-08-29  Kai Tietz<kai.tietz@onevision.com>
  13
  14         PR/41184
  15         * config/i386.c (ix86_expand_epilogue): Correct stack adjustment for
  16         padding.
  17
  18 2009-08-29  Douglas B Rupp  <rupp@gnat.com>
  19
  20         * crtstuff.c (__do_global_dtors_aux): Use atexit if no
  21         fini or fini_array section.
  22
  23 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
  24
  25         * graphite-dependences.c (graphite_legal_transform_bb): Call
  26         pbb_remove_duplicate_pdrs.
  27         * graphite-poly.c (can_collapse_pdr): Removed.
  28         (pdr_find_duplicate): Removed.
  29         (can_collapse_pdrs): New.
  30         (pbb_remove_duplicate_pdrs): New.
  31         (new_poly_dr): Do not look for duplicates.
  32         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
  33         (PBB_PDR_DUPLICATES_REMOVED): New.
  34         (pbb_remove_duplicate_pdrs): Declared.
  35
  36 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
  37
  38         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
  39         the strides by multiplying by PDR_NB_REFS.
  40         * graphite-poly.c (can_collapse_pdr): New.
  41         (pdr_find_duplicate): New.
  42         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
  43         Initialize PDR_NB_REFS.
  44         * graphite-poly.h (struct poly_dr): Add field nb_refs.
  45         (PDR_NB_REFS): New.
  46         (new_poly_dr): Number of subscripts is a graphite_dim_t.
  47
  48 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
  49
  50         PR middle-end/40965
  51         * graphite-poly.c (apply_poly_transforms): Remove legality test before
  52         any transform.
  53
  54 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
  55
  56         * graphite-dependences.c (pddr_original_scattering): Return NULL
  57         for read-read dependence relations.
  58         * graphite-poly.h (enum poly_dr_type): Fix comment.
  59         (pdr_read_p): New.
  60         (pdr_write_p): New.
  61         (pdr_may_write_p): New.
  62
  63 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
  64
  65         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
  66         (struct poly_dr): Same.
  67         (new_poly_dr): Same.
  68         * graphite-poly.c (new_poly_dr): Same.
  69         * graphite-dependences.c (dot_deps): Disable call to system.
  70
  71 2009-08-28  Cary Coutant  <ccoutant@google.com>
  72
  73         PR debug/41063
  74         * dwarf2out.c (gen_type_die_with_usage): Use proper context for
  75         struct/union/enum types local to a function.
  76
  77 2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
  78             Sebastian Pop  <sebastian.pop@amd.com>
  79
  80         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
  81         pbb_strip_mine_time_depth.  Changed the implementation so that
  82         transformation is expressed as a transformation on
  83         time (scatttering) dimensions.  Also, ensures that the 2d+1
  84         scheduling format is preserved.
  85         (pbb_strip_mine_profitable_p): Profitability is based on the
  86         iteration number of a given time (scattering) dimension,
  87         and not on a original loop depth dimension.
  88         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
  89         (pbb_do_strip_mine): Call psct_dynamic_dim.
  90         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
  91         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
  92         (pbb_nb_dynamic_scattering_transform): New.
  93         (psct_dynamic_dim): New.
  94
  95 2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
  96
  97         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
  98         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
  99         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
 100         * graphite-interchange.c (build_linearized_memory_access): Same.
 101         (memory_stride_in_loop): Same.
 102
 103 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 104
 105         * graphite-dependences.c (pddr_original_scattering): New.
 106         (graphite_legal_transform_dr): Call pddr_original_scattering.
 107         (dot_deps_1): New.
 108         (dot_deps): New.
 109         * graphite-dependences.h (dot_deps): Declared.
 110         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
 111         (print_pdr): Print PDR_ID.
 112         * graphite-poly.h (struct poly_dr): Add field id.
 113         (PDR_ID): New.
 114         (pbb_index): New.
 115         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
 116
 117 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 118
 119         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
 120         not delete the original dependence relation.
 121
 122 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 123
 124         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
 125         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
 126         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
 127         (free_poly_ddr): New.
 128         (pddr_is_empty): New.
 129         (dependence_polyhedron_1): Now returns a poly_ddr_p.
 130         (dependence_polyhedron): Same.  Remove useless gcc_assert.
 131         Remove fprintfs.
 132         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
 133         (graphite_carried_dependence_level_k): Call pddr_is_empty.
 134         * graphite-dependences.h (enum poly_dependence_kind): New.
 135         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
 136         (PDRP_SOURCE): Renamed PDDR_SOURCE.
 137         (PDRP_SINK): Renamed PDDR_SINK.
 138         (PDRP_DDP): Renamed PDDR_DDP.
 139         (PDDR_KIND): New.
 140         (free_poly_ddr): Declared.
 141         * graphite-poly.c (new_scop): Use the new hash function names.
 142         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
 143         into original_pddrs.
 144         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
 145
 146 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 147
 148         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
 149         bounds with LT_EXPR to make niter analysis more precise on code
 150         generated by Graphite.
 151
 152 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 153
 154         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
 155         (graphite_legal_transform_bb): Same.
 156         (poly_drs_may_alias_p): Same.
 157
 158 2009-08-28  Richard Guenther  <rguenther@suse.de>
 159
 160         * tree.def: Remove note about obsolete TYPE_NONCOPIED_PARTS.
 161
 162 2009-08-28  Jan Beulich  <jbeulich@novell.com>
 163
 164         * config/i386/netware.c: Include langhooks.h.
 165         (i386_nlm_encode_section_info): Simplify.
 166         (netware_override_options): Delete.
 167         * config/i386/netware.h (netware_override_options): Delete
 168         declaration.
 169         (OVERRIDE_OPTIONS): Delete definition.
 170         (SUBTARGET_OVERRIDE_OPTIONS): Define.
 171         (ASM_COMMENT_START): Define.
 172         * config/i386/nwld.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Define.
 173
 174 2009-08-28  Jan Beulich  <jbeulich@novell.com>
 175
 176         * configure.ac: For in-tree ld, do a plain version check to
 177         determine whether comdat groups are supported.
 178         * configure: Regenerate.
 179
 180 2009-08-28  Olivier Hainque  <hainque@adacore.com>
 181
 182         * collect2.c (DO_COLLECT_EXPORT_LIST): New internal macro,
 183         always defined.  Reflect definition or absence of such for
 184         COLLECT_EXPORT_LIST.  Readability helper.
 185         (scanfilter): New enum, to help control what symbols
 186         are to be considered or ignored by scan_prog_file.
 187         (enum pass): Rename as "scanpass", moved together with scanfilter
 188         prior to scan_prog_file's prototype.
 189         (scan_prog_file): Accept and honor scanpass and scanfilter arguments.
 190         Group prototype with the scanpass/scanfilter definitions, factorize
 191         head comments for the several implementations at the prototype.
 192         (main): Reorganize the first pass link control to let AIX
 193         drag only the needed frame tables in executables.  Prevent
 194         frame tables collection during the scan aimed at static ctors.
 195         Pre-link and scan for frame tables later to compensate.
 196         * doc/tm.texi (ASM_OUTPUT_DWARF_TABLE_REF): New macro.
 197         A C statement to issue assembly directives that create a reference
 198         to the given DWARF table identifier label from the current function
 199         section.
 200         * dwarf2out.c (switch_to_eh_frame_section): Add a BACK argument
 201         to differentiate first time section entry.  Only emit a .data
 202         tables start identifier label the first time around.
 203         (switch_to_frame_table_section): New function.  Helper for
 204         output_call_frame_info to switch possibly BACK into the eh_frame
 205         or the debug_frame section depending on FOR_EH.
 206         (output_call_frame_info): Use helper to first enter the proper
 207         frame section.
 208         (output_fde): Use ASM_OUTPUT_DWARF_TABLE_REF when defined to
 209         emit a link to the frame table start label from each function
 210         section.
 211         * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
 212         New function.  Implementation of ASM_OUTPUT_DWARF_TABLE_REF.
 213         * config/rs6000/rs6000-protos.h: Declare it.
 214         * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Define.
 215
 216 2009-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
 217
 218         * config/sh/sh.c (split_branches): Check the result of
 219         next_active_insn.
 220
 221 2009-08-27  Steve Ellcey  <sje@cup.hp.com>
 222
 223         * config/ia64/hpux.h (LIB_SPEC): Add -lrt for when
 224         using -pthread -fopenmp
 225
 226 2009-08-27  Gerald Pfeifer  <gerald@pfeifer.com>
 227
 228         * doc/service.texi (service directory): Update URL.
 229
 230 2009-08-27  Uros Bizjak  <ubizjak@gmail.com>
 231
 232         PR rtl-optimization/40861
 233         * simplify-rtx.c (simplify_subreg): Do not call simplify_gen_subreg to
 234         extract word from a multi-word subreg for negative byte positions.
 235
 236 2009-08-27  Tristan Gingold  <gingold@adacore.com>
 237             Douglas B Rupp  <rupp@gnat.com>
 238
 239         * config/ia64/ia64.c (ia64_attribute_table): Add "common_object" entry.
 240         (SECTION_VMS_OVERLAY): Define.
 241         (ia64_vms_common_object_attribute): Added.  Handle the "common_object"
 242         attribute.
 243         (ia64_vms_elf_asm_named_section): Added.  Generate .section pseudo-op
 244         for common_object.
 245         (ia64_vms_output_aligned_decl_common): Added.  Generate pseudo-op for
 246         common_object declarations.
 247         (ia64_section_type_flags): Set section flag for common_object.
 248         * config/ia64/ia64-protos.h
 249         (ia64_vms_output_aligned_decl_common): Declare.
 250         (ia64_vms_elf_asm_named_section): Declare.
 251
 252 2009-08-27  Michael Matz  <matz@suse.de>
 253
 254         * expr.c (expand_expr_real_2): New function taking exploded
 255         unary or binary expression, split out from ...
 256         (expand_expr_real_1): ... here.  Move over all unary/binary
 257         switch parts to above function, in particular these codes:
 258         PAREN_EXPR, NOP_EXPR, CONVERT_EXPR, POINTER_PLUS_EXPR, PLUS_EXPR,
 259         MINUS_EXPR, MULT_EXPR, TRUNC_DIV_EXPR, FLOOR_DIV_EXPR, CEIL_DIV_EXPR,
 260         ROUND_DIV_EXPR, EXACT_DIV_EXPR, RDIV_EXPR, TRUNC_MOD_EXPR,
 261         FLOOR_MOD_EXPR, CEIL_MOD_EXPR, ROUND_MOD_EXPR, FIXED_CONVERT_EXPR,
 262         FIX_TRUNC_EXPR, FLOAT_EXPR, NEGATE_EXPR, ABS_EXPR, MAX_EXPR, MIN_EXPR,
 263         BIT_NOT_EXPR, TRUTH_AND_EXPR, BIT_AND_EXPR, TRUTH_OR_EXPR,
 264         BIT_IOR_EXPR, TRUTH_XOR_EXPR, BIT_XOR_EXPR, LROTATE_EXPR, RROTATE_EXPR,
 265         LSHIFT_EXPR, RSHIFT_EXPR, LT_EXPR, LE_EXPR, GT_EXPR, GE_EXPR, EQ_EXPR,
 266         NE_EXPR, UNORDERED_EXPR, ORDERED_EXPR, UNLT_EXPR, UNLE_EXPR, UNGT_EXPR,
 267         UNGE_EXPR, UNEQ_EXPR, LTGT_EXPR, TRUTH_NOT_EXPR, COMPLEX_EXPR,
 268         WIDEN_SUM_EXPR, REDUC_MAX_EXPR, REDUC_MIN_EXPR, REDUC_PLUS_EXPR,
 269         VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR, VEC_INTERLEAVE_HIGH_EXPR,
 270         VEC_INTERLEAVE_LOW_EXPR, VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR,
 271         VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR, VEC_UNPACK_FLOAT_HI_EXPR,
 272         VEC_UNPACK_FLOAT_LO_EXPR, VEC_WIDEN_MULT_HI_EXPR,
 273         VEC_WIDEN_MULT_LO_EXPR, VEC_PACK_TRUNC_EXPR, VEC_PACK_SAT_EXPR,
 274         VEC_PACK_FIX_TRUNC_EXPR.
 275         (<case PAREN_EXPR>): Call set_mem_attributes() with type, not the
 276         full expression.
 277
 278 2009-08-27  Richard Guenther  <rguenther@suse.de>
 279
 280         * gengtype.c (main): Handle uint64_t.
 281         * ipa-utils.c (get_base_var): Indent properly.
 282         * tree-ssa-live.c (debug_scope_block): New function.
 283         * tree-flow.h (debug_scope_block): Declare.
 284         * tree-ssa-copy.c (replace_exp_1): Add vertical space.
 285         * basic-block.h (enum profile_status): Rename to
 286         enum profile_status_d.
 287         (x_profile_status): Adjust type.
 288
 289 2009-08-27  Dodji Seketeli  <dodji@redhat.com>
 290
 291         PR debug/41170
 292         * dwarf2out.c (get_context_die): Declare this static function.
 293         (gen_type_die_with_usage): Make sure a DIE is a generated for
 294         the context of a typedef.
 295
 296 2009-08-26  Anatoly Sokolov  <aesok@post.ru>
 297
 298         * doc/invoke.texi (AVR Options): Remove documentation of -minit-stack
 299         switch.
 300
 301 2009-08-26  Richard Sandiford  <rdsandiford@googlemail.com>
 302
 303         * config/mips/mips-protos.h (mips_output_sync): Declare.
 304         (mips_sync_loop_insns): Likewise.
 305         (mips_output_sync_loop): Replace first two parameters with an rtx.
 306         * config/mips/mips.c (mips_multi_member): New structure.
 307         (mips_multi_members): New variable.
 308         (mips_multi_start): New function.
 309         (mips_multi_add): Likewise.
 310         (mips_multi_add_insn): Likewise.
 311         (mips_multi_add_label): Likewise.
 312         (mips_multi_last_index): Likewise.
 313         (mips_multi_copy_insn): Likewise.
 314         (mips_multi_set_operand): Likewise.
 315         (mips_multi_write): Likewise.
 316         (mips_print_operand_punctuation): Remove '%|' and '%-'.
 317         (mips_init_print_operand_punct): Update accordingly.
 318         (mips_start_ll_sc_sync_block): New function.
 319         (mips_end_ll_sc_sync_block): Likewise.
 320         (mips_output_sync): Likewise.
 321         (mips_sync_insn1_template): Likewise.
 322         (mips_sync_insn2_template): Likewise.
 323         (mips_get_sync_operand): Likewise.
 324         (mips_process_sync_loop): Likewise.
 325         (mips_output_sync_loop): Use mips_process_sync_loop.
 326         (mips_sync_loop_insns): New function.
 327         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Delete.
 328         (MIPS_COMPARE_AND_SWAP_12): Likewise.
 329         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP): Likewise.
 330         (MIPS_COMPARE_AND_SWAP_12_NONZERO_OP): Likewise.
 331         (MIPS_SYNC_OP, MIPS_SYNC_OP_12): Likewise.
 332         (MIPS_SYNC_OP_12_AND, MIPS_SYNC_OP_12_XOR): Likewise.
 333         (MIPS_SYNC_OLD_OP_12): Likewise.
 334         (MIPS_SYNC_OLD_OP_12_AND, MIPS_SYNC_OLD_OP_12_XOR): Likewise.
 335         (MIPS_SYNC_NEW_OP_12): Likewise.
 336         (MIPS_SYNC_NEW_OP_12_AND, MIPS_SYNC_NEW_OP_12_XOR): Likewise.
 337         (MIPS_SYNC_OLD_OP, MIPS_SYNC_NEW_OP): Likewise.
 338         (MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND): Likewise.
 339         (MIPS_SYNC_EXCHANGE, MIPS_SYNC_EXCHANGE_12): Likewise.
 340         (MIPS_SYNC_EXCHANGE_12_ZERO_OP): Likewise.
 341         (MIPS_SYNC_EXCHANGE_12_NONZER_OP): Likewise.
 342         * config/mips/mips.md (sync_mem): New attribute.
 343         (sync_oldval, sync_newval, sync_inclusive_mask): Likewise.
 344         (sync_exclusive_mask, sync_required_oldval): Likewise.
 345         (sync_insn1_op2, sync_insn1, sync_insn2): Likewise.
 346         (sync_release_barrier): Likewise.
 347         (length): Handle sync loops.
 348         (sync): Use mips_output_sync.
 349         * config/mips/sync.md (*memory_barrier): Use mips_output_sync.
 350         (sync_compare_and_swap<mode>): Set the new sync_* attributes
 351         and use mips_output_sync_loop.
 352         (compare_and_swap_12, sync_add<mode>, sync_<optab>_12): Likewise.
 353         (sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12): Likewise.
 354         (sync_old_nand_12, sync_new_nand_12, sync_sub<mode>): Likewise.
 355         (sync_old_add<mode>, sync_old_sub<mode>): Likewise.
 356         (sync_new_add<mode>, sync_new_sub<mode>): Likewise.
 357         (sync_<optab><mode>, sync_old_<optab><mode>): Likewise.
 358         (sync_new_<optab><mode>, sync_nand<mode>): Likewise.
 359         (sync_old_nand<mode>, sync_new_nand<mode>): Likewise.
 360         (sync_lock_test_and_set<mode>, test_and_set_12): Likewise.
 361
 362 2009-08-26  Richard Guenther  <rguenther@suse.de>
 363
 364         PR middle-end/41163
 365         * gimplify.c (gimplify_addr_expr): Canonicalize ADDR_EXPRs if
 366         the types to not match.
 367         * tree-cfg.c (verify_gimple_assign_single): Adjust ADDR_EXPR
 368         verification.
 369         * tree-ssa.c (useless_type_conversion_p): Conversions to
 370         pointers to unprototyped functions are useless.
 371
 372 2009-08-26  Richard Guenther  <rguenther@suse.de>
 373
 374         * tree-ssa-structalias.c (create_variable_info_for): Remove
 375         strange whole-program condition, prepare to be called for non-globals.
 376         (intra_create_variable_infos): For restrict qualified DECL_BY_REFERENCE
 377         params build a representative with known type and track its fields.
 378
 379 2009-08-26  Uros Bizjak  <ubizjak@gmail.com>
 380
 381         * config/alpha/sync.md: Update comment about unpredictable LL/SC lock
 382         clearing by a taken branch.
 383         (sync_<fetchop_name><mode>): Split when epilogue_completed is set,
 384         effectively after bbro pass.
 385         (sync_nand<mode>): Ditto.
 386         (sync_old_<fetchop_name><mode>): Ditto.
 387         (sync_old_nand<mode>): Ditto.
 388         (sync_new_<fetchop_name><mode>): Dito.
 389         (sync_new_nand<mode>): Ditto.
 390         (sync_compare_and_swap<mode>_1): Ditto.
 391         (*sync_compare_and_swap<mode>): Ditto.
 392         (sync_lock_test_and_set<mode>_1): Ditto.
 393         ("sync_lock_test_and_set<mode>): Ditto.
 394
 395 2009-08-25  Douglas B Rupp  <rupp@gnat.com>
 396
 397         * hwint.h (HOST_LONG_FORMAT): New macro
 398         * bitmap.c, c-decl.c, mips-tfile.c, print-rtl.c, print-tree.c:
 399         Use HOST_PTR_PRINTF.
 400         * system.h (HOST_PTR_PRINTF): Resurrect old macro
 401         * doc/hostconfig.texi (HOST_LONG_FORMAT): Document.
 402         (HOST_PTR_PRINTF): Document.
 403
 404 2009-08-25 Jan Hubicka  <jh@suse.cz>
 405
 406         * config/i386/bmmintrin.h: Replace by #error.
 407
 408         Revert:
 409         Michael Meissner  <michael.meissner@amd.com>
 410         Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
 411         Tony Linthicum  <tony.linthicum@amd.com>
 412
 413         * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
 414         (TARGET_ROUND): New macro for the round/ptest instructions which
 415         are shared between SSE4.1 and SSE5.
 416         (OPTION_MASK_ISA_ROUND): Ditto.
 417         (OPTION_ISA_ROUND): Ditto.
 418         (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
 419         (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.
 420
 421         * config/i386/i386.opt (-msse5): New switch for SSE5 support.
 422         (-mfused-madd): New switch to give users control over whether the
 423         compiler optimizes to use the multiply/add SSE5 instructions.
 424
 425         * config/i386/i386.c (enum pta_flags): Add PTA_SSE5.
 426         (ix86_handle_option): Turn off 3dnow if -msse5.
 427         (override_options): Add SSE5 support.
 428         (print_operand): %Y prints comparison codes for SSE5 com/pcom
 429         instructions.
 430         (ix86_expand_sse_movcc): Add SSE5 support.
 431         (ix86_expand_sse5_unpack): New function to use pperm to unpack a
 432         vector type to the next largest size.
 433         (ix86_expand_sse5_pack): New function to use pperm to pack a
 434         vector type to the next smallest size.
 435         (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
 436         (IX86_BUILTIN_FMADDSD): Ditto.
 437         (IX86_BUILTIN_FMADDPS): Ditto.
 438         (IX86_BUILTIN_FMADDPD): Ditto.
 439         (IX86_BUILTIN_FMSUBSS): Ditto.
 440         (IX86_BUILTIN_FMSUBSD): Ditto.
 441         (IX86_BUILTIN_FMSUBPS): Ditto.
 442         (IX86_BUILTIN_FMSUBPD): Ditto.
 443         (IX86_BUILTIN_FNMADDSS): Ditto.
 444         (IX86_BUILTIN_FNMADDSD): Ditto.
 445         (IX86_BUILTIN_FNMADDPS): Ditto.
 446         (IX86_BUILTIN_FNMADDPD): Ditto.
 447         (IX86_BUILTIN_FNMSUBSS): Ditto.
 448         (IX86_BUILTIN_FNMSUBSD): Ditto.
 449         (IX86_BUILTIN_FNMSUBPS): Ditto.
 450         (IX86_BUILTIN_FNMSUBPD): Ditto.
 451         (IX86_BUILTIN_PCMOV_V2DI): Ditto.
 452         (IX86_BUILTIN_PCMOV_V4SI): Ditto.
 453         (IX86_BUILTIN_PCMOV_V8HI): Ditto.
 454         (IX86_BUILTIN_PCMOV_V16QI): Ditto.
 455         (IX86_BUILTIN_PCMOV_V4SF): Ditto.
 456         (IX86_BUILTIN_PCMOV_V2DF): Ditto.
 457         (IX86_BUILTIN_PPERM): Ditto.
 458         (IX86_BUILTIN_PERMPS): Ditto.
 459         (IX86_BUILTIN_PERMPD): Ditto.
 460         (IX86_BUILTIN_PMACSSWW): Ditto.
 461         (IX86_BUILTIN_PMACSWW): Ditto.
 462         (IX86_BUILTIN_PMACSSWD): Ditto.
 463         (IX86_BUILTIN_PMACSWD): Ditto.
 464         (IX86_BUILTIN_PMACSSDD): Ditto.
 465         (IX86_BUILTIN_PMACSDD): Ditto.
 466         (IX86_BUILTIN_PMACSSDQL): Ditto.
 467         (IX86_BUILTIN_PMACSSDQH): Ditto.
 468         (IX86_BUILTIN_PMACSDQL): Ditto.
 469         (IX86_BUILTIN_PMACSDQH): Ditto.
 470         (IX86_BUILTIN_PMADCSSWD): Ditto.
 471         (IX86_BUILTIN_PMADCSWD): Ditto.
 472         (IX86_BUILTIN_PHADDBW): Ditto.
 473         (IX86_BUILTIN_PHADDBD): Ditto.
 474         (IX86_BUILTIN_PHADDBQ): Ditto.
 475         (IX86_BUILTIN_PHADDWD): Ditto.
 476         (IX86_BUILTIN_PHADDWQ): Ditto.
 477         (IX86_BUILTIN_PHADDDQ): Ditto.
 478         (IX86_BUILTIN_PHADDUBW): Ditto.
 479         (IX86_BUILTIN_PHADDUBD): Ditto.
 480         (IX86_BUILTIN_PHADDUBQ): Ditto.
 481         (IX86_BUILTIN_PHADDUWD): Ditto.
 482         (IX86_BUILTIN_PHADDUWQ): Ditto.
 483         (IX86_BUILTIN_PHADDUDQ): Ditto.
 484         (IX86_BUILTIN_PHSUBBW): Ditto.
 485         (IX86_BUILTIN_PHSUBWD): Ditto.
 486         (IX86_BUILTIN_PHSUBDQ): Ditto.
 487         (IX86_BUILTIN_PROTB): Ditto.
 488         (IX86_BUILTIN_PROTW): Ditto.
 489         (IX86_BUILTIN_PROTD): Ditto.
 490         (IX86_BUILTIN_PROTQ): Ditto.
 491         (IX86_BUILTIN_PROTB_IMM): Ditto.
 492         (IX86_BUILTIN_PROTW_IMM): Ditto.
 493         (IX86_BUILTIN_PROTD_IMM): Ditto.
 494         (IX86_BUILTIN_PROTQ_IMM): Ditto.
 495         (IX86_BUILTIN_PSHLB): Ditto.
 496         (IX86_BUILTIN_PSHLW): Ditto.
 497         (IX86_BUILTIN_PSHLD): Ditto.
 498         (IX86_BUILTIN_PSHLQ): Ditto.
 499         (IX86_BUILTIN_PSHAB): Ditto.
 500         (IX86_BUILTIN_PSHAW): Ditto.
 501         (IX86_BUILTIN_PSHAD): Ditto.
 502         (IX86_BUILTIN_PSHAQ): Ditto.
 503         (IX86_BUILTIN_FRCZSS): Ditto.
 504         (IX86_BUILTIN_FRCZSD): Ditto.
 505         (IX86_BUILTIN_FRCZPS): Ditto.
 506         (IX86_BUILTIN_FRCZPD): Ditto.
 507         (IX86_BUILTIN_CVTPH2PS): Ditto.
 508         (IX86_BUILTIN_CVTPS2PH): Ditto.
 509         (IX86_BUILTIN_COMEQSS): Ditto.
 510         (IX86_BUILTIN_COMNESS): Ditto.
 511         (IX86_BUILTIN_COMLTSS): Ditto.
 512         (IX86_BUILTIN_COMLESS): Ditto.
 513         (IX86_BUILTIN_COMGTSS): Ditto.
 514         (IX86_BUILTIN_COMGESS): Ditto.
 515         (IX86_BUILTIN_COMUEQSS): Ditto.
 516         (IX86_BUILTIN_COMUNESS): Ditto.
 517         (IX86_BUILTIN_COMULTSS): Ditto.
 518         (IX86_BUILTIN_COMULESS): Ditto.
 519         (IX86_BUILTIN_COMUGTSS): Ditto.
 520         (IX86_BUILTIN_COMUGESS): Ditto.
 521         (IX86_BUILTIN_COMORDSS): Ditto.
 522         (IX86_BUILTIN_COMUNORDSS): Ditto.
 523         (IX86_BUILTIN_COMFALSESS): Ditto.
 524         (IX86_BUILTIN_COMTRUESS): Ditto.
 525         (IX86_BUILTIN_COMEQSD): Ditto.
 526         (IX86_BUILTIN_COMNESD): Ditto.
 527         (IX86_BUILTIN_COMLTSD): Ditto.
 528         (IX86_BUILTIN_COMLESD): Ditto.
 529         (IX86_BUILTIN_COMGTSD): Ditto.
 530         (IX86_BUILTIN_COMGESD): Ditto.
 531         (IX86_BUILTIN_COMUEQSD): Ditto.
 532         (IX86_BUILTIN_COMUNESD): Ditto.
 533         (IX86_BUILTIN_COMULTSD): Ditto.
 534         (IX86_BUILTIN_COMULESD): Ditto.
 535         (IX86_BUILTIN_COMUGTSD): Ditto.
 536         (IX86_BUILTIN_COMUGESD): Ditto.
 537         (IX86_BUILTIN_COMORDSD): Ditto.
 538         (IX86_BUILTIN_COMUNORDSD): Ditto.
 539         (IX86_BUILTIN_COMFALSESD): Ditto.
 540         (IX86_BUILTIN_COMTRUESD): Ditto.
 541         (IX86_BUILTIN_COMEQPS): Ditto.
 542         (IX86_BUILTIN_COMNEPS): Ditto.
 543         (IX86_BUILTIN_COMLTPS): Ditto.
 544         (IX86_BUILTIN_COMLEPS): Ditto.
 545         (IX86_BUILTIN_COMGTPS): Ditto.
 546         (IX86_BUILTIN_COMGEPS): Ditto.
 547         (IX86_BUILTIN_COMUEQPS): Ditto.
 548         (IX86_BUILTIN_COMUNEPS): Ditto.
 549         (IX86_BUILTIN_COMULTPS): Ditto.
 550         (IX86_BUILTIN_COMULEPS): Ditto.
 551         (IX86_BUILTIN_COMUGTPS): Ditto.
 552         (IX86_BUILTIN_COMUGEPS): Ditto.
 553         (IX86_BUILTIN_COMORDPS): Ditto.
 554         (IX86_BUILTIN_COMUNORDPS): Ditto.
 555         (IX86_BUILTIN_COMFALSEPS): Ditto.
 556         (IX86_BUILTIN_COMTRUEPS): Ditto.
 557         (IX86_BUILTIN_COMEQPD): Ditto.
 558         (IX86_BUILTIN_COMNEPD): Ditto.
 559         (IX86_BUILTIN_COMLTPD): Ditto.
 560         (IX86_BUILTIN_COMLEPD): Ditto.
 561         (IX86_BUILTIN_COMGTPD): Ditto.
 562         (IX86_BUILTIN_COMGEPD): Ditto.
 563         (IX86_BUILTIN_COMUEQPD): Ditto.
 564         (IX86_BUILTIN_COMUNEPD): Ditto.
 565         (IX86_BUILTIN_COMULTPD): Ditto.
 566         (IX86_BUILTIN_COMULEPD): Ditto.
 567         (IX86_BUILTIN_COMUGTPD): Ditto.
 568         (IX86_BUILTIN_COMUGEPD): Ditto.
 569         (IX86_BUILTIN_COMORDPD): Ditto.
 570         (IX86_BUILTIN_COMUNORDPD): Ditto.
 571         (IX86_BUILTIN_COMFALSEPD): Ditto.
 572         (IX86_BUILTIN_COMTRUEPD): Ditto.
 573         (IX86_BUILTIN_PCOMEQUB): Ditto.
 574         (IX86_BUILTIN_PCOMNEUB): Ditto.
 575         (IX86_BUILTIN_PCOMLTUB): Ditto.
 576         (IX86_BUILTIN_PCOMLEUB): Ditto.
 577         (IX86_BUILTIN_PCOMGTUB): Ditto.
 578         (IX86_BUILTIN_PCOMGEUB): Ditto.
 579         (IX86_BUILTIN_PCOMFALSEUB): Ditto.
 580         (IX86_BUILTIN_PCOMTRUEUB): Ditto.
 581         (IX86_BUILTIN_PCOMEQUW): Ditto.
 582         (IX86_BUILTIN_PCOMNEUW): Ditto.
 583         (IX86_BUILTIN_PCOMLTUW): Ditto.
 584         (IX86_BUILTIN_PCOMLEUW): Ditto.
 585         (IX86_BUILTIN_PCOMGTUW): Ditto.
 586         (IX86_BUILTIN_PCOMGEUW): Ditto.
 587         (IX86_BUILTIN_PCOMFALSEUW): Ditto.
 588         (IX86_BUILTIN_PCOMTRUEUW): Ditto.
 589         (IX86_BUILTIN_PCOMEQUD): Ditto.
 590         (IX86_BUILTIN_PCOMNEUD): Ditto.
 591         (IX86_BUILTIN_PCOMLTUD): Ditto.
 592         (IX86_BUILTIN_PCOMLEUD): Ditto.
 593         (IX86_BUILTIN_PCOMGTUD): Ditto.
 594         (IX86_BUILTIN_PCOMGEUD): Ditto.
 595         (IX86_BUILTIN_PCOMFALSEUD): Ditto.
 596         (IX86_BUILTIN_PCOMTRUEUD): Ditto.
 597         (IX86_BUILTIN_PCOMEQUQ): Ditto.
 598         (IX86_BUILTIN_PCOMNEUQ): Ditto.
 599         (IX86_BUILTIN_PCOMLTUQ): Ditto.
 600         (IX86_BUILTIN_PCOMLEUQ): Ditto.
 601         (IX86_BUILTIN_PCOMGTUQ): Ditto.
 602         (IX86_BUILTIN_PCOMGEUQ): Ditto.
 603         (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
 604         (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
 605         (IX86_BUILTIN_PCOMEQB): Ditto.
 606         (IX86_BUILTIN_PCOMNEB): Ditto.
 607         (IX86_BUILTIN_PCOMLTB): Ditto.
 608         (IX86_BUILTIN_PCOMLEB): Ditto.
 609         (IX86_BUILTIN_PCOMGTB): Ditto.
 610         (IX86_BUILTIN_PCOMGEB): Ditto.
 611         (IX86_BUILTIN_PCOMFALSEB): Ditto.
 612         (IX86_BUILTIN_PCOMTRUEB): Ditto.
 613         (IX86_BUILTIN_PCOMEQW): Ditto.
 614         (IX86_BUILTIN_PCOMNEW): Ditto.
 615         (IX86_BUILTIN_PCOMLTW): Ditto.
 616         (IX86_BUILTIN_PCOMLEW): Ditto.
 617         (IX86_BUILTIN_PCOMGTW): Ditto.
 618         (IX86_BUILTIN_PCOMGEW): Ditto.
 619         (IX86_BUILTIN_PCOMFALSEW): Ditto.
 620         (IX86_BUILTIN_PCOMTRUEW): Ditto.
 621         (IX86_BUILTIN_PCOMEQD): Ditto.
 622         (IX86_BUILTIN_PCOMNED): Ditto.
 623         (IX86_BUILTIN_PCOMLTD): Ditto.
 624         (IX86_BUILTIN_PCOMLED): Ditto.
 625         (IX86_BUILTIN_PCOMGTD): Ditto.
 626         (IX86_BUILTIN_PCOMGED): Ditto.
 627         (IX86_BUILTIN_PCOMFALSED): Ditto.
 628         (IX86_BUILTIN_PCOMTRUED): Ditto.
 629         (IX86_BUILTIN_PCOMEQQ): Ditto.
 630         (IX86_BUILTIN_PCOMNEQ): Ditto.
 631         (IX86_BUILTIN_PCOMLTQ): Ditto.
 632         (IX86_BUILTIN_PCOMLEQ): Ditto.
 633         (IX86_BUILTIN_PCOMGTQ): Ditto.
 634         (IX86_BUILTIN_PCOMGEQ): Ditto.
 635         (IX86_BUILTIN_PCOMFALSEQ): Ditto.
 636         (IX86_BUILTIN_PCOMTRUEQ): Ditto.
 637         (enum multi_arg_type): New enum for describing the various SSE5
 638         intrinsic argument types.
 639         (bdesc_multi_arg): New table for SSE5 intrinsics.
 640         (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
 641         (ix86_expand_multi_arg_builtin): New function for creating SSE5
 642         intrinsics.
 643         (ix86_expand_builtin): Add SSE5 intrinsic support.
 644         (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
 645         operand instructions.
 646         (ix86_expand_sse5_multiple_memory): New function to split the
 647         second memory reference from SSE5 instructions.
 648         (type_has_variadic_args_p): Delete in favor of stdarg_p.
 649         (ix86_return_pops_args): Use stdarg_p to determine if the function
 650         has variable arguments.
 651         (ix86_setup_incoming_varargs): Ditto.
 652         (x86_this_parameter): Ditto.
 653
 654         * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
 655         declaration.
 656         (ix86_expand_sse5_pack): Ditto.
 657         (ix86_sse5_valid_op_p): Ditto.
 658         (ix86_expand_sse5_multiple_memory): Ditto.
 659
 660         * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
 661         constant for SSE5 support.
 662         (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
 663         (UNSPEC_SSE5_TRUEFALSE): Ditto.
 664         (UNSPEC_SSE5_PERMUTE): Ditto.
 665         (UNSPEC_SSE5_ASHIFT): Ditto.
 666         (UNSPEC_SSE5_LSHIFT): Ditto.
 667         (UNSPEC_FRCZ): Ditto.
 668         (UNSPEC_CVTPH2PS): Ditto.
 669         (UNSPEC_CVTPS2PH): Ditto.
 670         (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
 671         (PCOM_TRUE): Ditto.
 672         (COM_FALSE_S): Ditto.
 673         (COM_FALSE_P): Ditto.
 674         (COM_TRUE_S): Ditto.
 675         (COM_TRUE_P): Ditto.
 676         (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
 677         (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
 678         types.
 679         (memory attribute): Ditto.
 680         (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
 681         Use SSE4_1_ROUND_* constants instead of hard coded numbers.
 682         (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
 683         (floor<mode>2): Ditto.
 684         (ceil<mode>2): Ditto.
 685         (btrunc<mode>2): Ditto.
 686         (nearbyintdf2): Ditto.
 687         (nearbyintsf2): Ditto.
 688         (sse_setccsf): Disable if SSE5.
 689         (sse_setccdf): Ditto.
 690         (sse5_setcc<mode>): New support for SSE5 conditional move.
 691         (sse5_pcmov_<mode>): Ditto.
 692
 693         * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
 694         (SSEMODEF4): Ditto.
 695         (SSEMODEF2P): Ditto.
 696         (ssemodesuffixf4): New mode attribute for SSE5.
 697         (ssemodesuffixf2s): Ditto.
 698         (ssemodesuffixf2c): Ditto.
 699         (sserotatemax): Ditto.
 700         (ssescalarmode): Ditto.
 701         (sse_maskcmpv4sf3): Disable if SSE5.
 702         (sse_maskcmpv2df3): Ditto.
 703         (sse_vmmaskcmpv4sf3): Ditto.
 704         (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add instructions.
 705         (sse5_vmfmadd<mode>4): Ditto.
 706         (sse5_fmsub<mode>4): Ditto.
 707         (sse5_vmfmsub<mode>4): Ditto.
 708         (sse5_fnmadd<mode>4): Ditto.
 709         (sse5_vmfnmadd<mode>4): Ditto.
 710         (sse5_fnmsub<mode>4): Ditto.
 711         (sse5_vmfnmsub<mode>4): Ditto.
 712         (sse5i_fmadd<mode>4): Ditto.
 713         (sse5i_fmsub<mode>4): Ditto.
 714         (sse5i_fnmadd<mode>4): Ditto.
 715         (sse5i_fnmsub<mode>4): Ditto.
 716         (sse5i_vmfmadd<mode>4): Ditto.
 717         (sse5i_vmfmsub<mode>4): Ditto.
 718         (sse5i_vmfnmadd<mode>4): Ditto.
 719         (sse5i_vmfnmsub<mode>4): Ditto.
 720         (mulv16qi3): Add SSE5 support.
 721         (mulv4si3): Ditto.
 722         (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
 723         (sse2_mulv4si3): Disable if SSE5.
 724         (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
 725         (sse4_1_roundps): Ditto.
 726         (sse4_1_roundsd): Ditto.
 727         (sse4_1_roundss): Ditto.
 728         (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
 729         be generated.
 730         (sse_maskcmpsf3): Ditto.
 731         (sse_vmmaskcmpv4sf3): Ditto.
 732         (sse2_maskcmpv2df3): Ditto.
 733         (sse2_maskcmpdf3): Ditto.
 734         (sse2_vmmaskcmpv2df3): Ditto.
 735         (sse2_eq<mode>3): Ditto.
 736         (sse2_gt<mode>3): Ditto.
 737         (sse5_pcmov_<mode>): Add SSE5 support.
 738         (vec_unpacku_hi_v16qi): Ditto.
 739         (vec_unpacks_hi_v16qi): Ditto.
 740         (vec_unpacku_lo_v16qi): Ditto.
 741         (vec_unpacks_lo_v16qi): Ditto.
 742         (vec_unpacku_hi_v8hi): Ditto.
 743         (vec_unpacks_hi_v8hi): Ditto.
 744         (vec_unpacku_lo_v8hi): Ditto.
 745         (vec_unpacks_lo_v8hi): Ditto.
 746         (vec_unpacku_hi_v4si): Ditto.
 747         (vec_unpacks_hi_v4si): Ditto.
 748         (vec_unpacku_lo_v4si): Ditto.
 749         (vec_unpacks_lo_v4si): Ditto.
 750         (sse5_pmacsww): New SSE5 intrinsic insn.
 751         (sse5_pmacssww): Ditto.
 752         (sse5_pmacsdd): Ditto.
 753         (sse5_pmacssdd): Ditto.
 754         (sse5_pmacssdql): Ditto.
 755         (sse5_pmacssdqh): Ditto.
 756         (sse5_pmacsdqh): Ditto.
 757         (sse5_pmacsswd): Ditto.
 758         (sse5_pmacswd): Ditto.
 759         (sse5_pmadcsswd): Ditto.
 760         (sse5_pmadcswd): Ditto.
 761         (sse5_pcmov_<move>): Conditional move support on SSE5.
 762         (sse5_phaddbw): New SSE5 intrinsic insn.
 763         (sse5_phaddbd): Ditto.
 764         (sse5_phaddbq): Ditto.
 765         (sse5_phaddwd): Ditto.
 766         (sse5_phaddwq): Ditto.
 767         (sse5_phadddq): Ditto.
 768         (sse5_phaddubw): Ditto.
 769         (sse5_phaddubd): Ditto.
 770         (sse5_phaddubq): Ditto.
 771         (sse5_phadduwd): Ditto.
 772         (sse5_phadduwq): Ditto.
 773         (sse5_phaddudq): Ditto.
 774         (sse5_phsubbw): Ditto.
 775         (sse5_phsubwd): Ditto.
 776         (sse5_phsubdq): Ditto.
 777         (sse5_pperm): Ditto.
 778         (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
 779         (sse5_pperm_zero_v16qi_v8hi): Ditto.
 780         (sse5_pperm_sign_v8hi_v4si): Ditto.
 781         (sse5_pperm_zero_v8hi_v4si): Ditto.
 782         (sse5_pperm_sign_v4si_v2di): Ditto.
 783         (sse5_pperm_sign_v4si_v2di): Ditto.
 784         (sse5_pperm_pack_v2di_v4si): Ditto.
 785         (sse5_pperm_pack_v4si_v8hi): Ditto.
 786         (sse5_pperm_pack_v8hi_v16qi): Ditto.
 787         (sse5_perm<mode>): New SSE5 intrinsic insn.
 788         (rotl<mode>3): Ditto.
 789         (sse5_rotl<mode>3): Ditto.
 790         (sse5_ashl<mode>3): Ditto.
 791         (sse5_lshl<mode>3): Ditto.
 792         (sse5_frcz<mode>2): Ditto.
 793         (sse5s_frcz<mode>2): Ditto.
 794         (sse5_cvtph2ps): Ditto.
 795         (sse5_cvtps2ph): Ditto.
 796         (sse5_vmmaskcmp<mode>3): Ditto.
 797         (sse5_com_tf<mode>3): Ditto.
 798         (sse5_maskcmp<mode>3): Ditto.
 799         (sse5_maskcmp_uns<mode>3): Ditto.
 800         (sse5_maskcmp_uns2<mode>3): Ditto.
 801         (sse5_pcom_tf<mode>3): Ditto.
 802
 803         * config/i386/predicates.md (sse5_comparison_float_operator):
 804         New predicate to match the comparison operators supported by
 805         the SSE5 com instruction.
 806         (ix86_comparison_int_operator): New predicate to match just the
 807         signed int comparisons.
 808         (ix86_comparison_uns_operator): New predicate to match just the
 809         unsigned int comparisons.
 810
 811         * doc/invoke.texi (-msse5): Add documentation.
 812         (-mfused-madd): Ditto.
 813
 814         * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.
 815
 816         * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
 817         mmintrin-common.h.
 818         (x86_64-*-*): Ditto.
 819
 820         * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.
 821
 822         * config/i386/bmmintrin.h: New file, provide common x86 compiler
 823         intrinisics for SSE5.
 824
 825         * config/i386/smmintrin.h: Move instructions shared with SSE5 to
 826         mmintrin-common.h.
 827
 828         * config/i386/mmintrin-common.h: New file, to contain common
 829         instructions between SSE4.1 and SSE5.
 830
 831         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
 832         FOREACH_FUNCTION_ARGS to iterate over the argument list.
 833         (gen_regparm_prefix): Ditto.
 834
 835         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
 836         FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
 837         prototype_p to determine if a function is prototyped.
 838
 839 2009-08-25 Ville Voutilainen <ville.voutilainen@gmail.com>
 840
 841         * c-common.c (c_common_reswords) add the alignof keyword,
 842         with same RID as __alignof and __alignof__
 843
 844 2009-08-25  Anatoly Sokolov  <aesok@post.ru>
 845
 846         * hooks.h (hook_bool_const_int_const_int_true): Declare.
 847         * hooks.c (hook_bool_const_int_const_int_true): New function.
 848         * target.h (struct gcc_target): Add can_eliminate field.
 849         * target-def.h (TARGET_CAN_ELIMINATE): Define.
 850         (TARGET_INITIALIZER): Use TARGET_CAN_ELIMINATE.
 851         * ira.c (setup_eliminable_regset): Use can_eliminate target hook.
 852         * reload1.c (update_eliminables, init_elim_table): (Ditto.).
 853         (elim_table): Revise comment.
 854         * system.h (CAN_ELIMINATE): Poison.
 855         * defaults.h (CAN_ELIMINATE): Remove.
 856         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
 857
 858         * config/alpha/vms.h (CAN_ELIMINATE): Remove macro.
 859         * config/alpha/alpha.c (TARGET_CAN_ELIMINATE) [TARGET_ABI_OPEN_VMS]:
 860         Define macro.
 861         (alpha_vms_can_eliminate): Declare as static, change return type to
 862         bool.
 863         * config/alpha/alpha-protos.h (alpha_vms_can_eliminate): Remove.
 864
 865         * config/arm/arm.h (CAN_ELIMINATE): Remove macro.
 866         * config/arm/arm.c (TARGET_CAN_ELIMINATE): Define macro.
 867         (arm_can_eliminate): New function.
 868
 869         * config/avr/avr.h (CAN_ELIMINATE): Remove macro.
 870         * config/avr/avr.c (TARGET_CAN_ELIMINATE): Define macro.
 871         (avr_can_eliminate): Declare as static.
 872         * config/avr/avr-protos.h (avr_can_eliminate): Remove.
 873
 874         * config/bfin/bfin.h (CAN_ELIMINATE): Remove macro.
 875         * config/bfin/bfin.c (TARGET_CAN_ELIMINATE): Define macro.
 876         (bfin_can_eliminate): New function.
 877
 878         * config/crx/crx.h (CAN_ELIMINATE): Remove macro.
 879         * config/crx/crx.c (TARGET_CAN_ELIMINATE): Define macro.
 880         (crx_can_eliminate): New function.
 881
 882         * config/fr30/fr30.h (CAN_ELIMINATE): Remove macro.
 883         * config/fr30/fr30.c (TARGET_CAN_ELIMINATE): Define macro.
 884         (fr30_can_eliminate): New function.
 885
 886         * config/frv/frv.h (CAN_ELIMINATE): Remove macro.
 887         * config/frv/frv.c (TARGET_CAN_ELIMINATE): Define macro.
 888         (frv_can_eliminate): New function.
 889
 890         * config/h8300/h8300.h (CAN_ELIMINATE): Remove macro.
 891         * config/h8300/h8300.c (TARGET_CAN_ELIMINATE): Define macro.
 892         (h8300_can_eliminate): New function.
 893
 894         * config/i386/i386.h (CAN_ELIMINATE): Remove macro.
 895         * config/i386/i386.c (TARGET_CAN_ELIMINATE): Define macro.
 896         (i386_can_eliminate): Declare as static, change return type to bool.
 897         * config/i386/i386-protos.h (i386_can_eliminate): Remove.
 898
 899         * config/ia64/ia64.h (CAN_ELIMINATE): Remove macro.
 900         * config/ia64/ia64.c (TARGET_CAN_ELIMINATE): Define macro.
 901         (ia64_can_eliminate): New function.
 902
 903         * config/iq2000/iq2000.h (CAN_ELIMINATE): Remove macro.
 904         * config/iq2000/iq2000.c (TARGET_CAN_ELIMINATE): Define macro.
 905         (iq2000_can_eliminate): New function.
 906
 907         * config/m32r/m32r.h (CAN_ELIMINATE): Remove macro.
 908         * config/m32r/m32r.c (TARGET_CAN_ELIMINATE): Define macro.
 909         (m32r_can_eliminate): New function.
 910
 911         * config/m68hc11/m68hc11.h (CAN_ELIMINATE): Remove macro.
 912         * config/m68hc11/m68hc11.c (TARGET_CAN_ELIMINATE): Define macro.
 913         (m68hc11_can_eliminate): New function.
 914
 915         * config/m68k/m68k.h (CAN_ELIMINATE): Remove macro.
 916         * config/m68k/m68k.c (TARGET_CAN_ELIMINATE): Define macro.
 917         (m68k_can_eliminate): New function.
 918
 919         * config/mep/mep.h (CAN_ELIMINATE): Remove macro.
 920         * config/mep/mep.c (TARGET_CAN_ELIMINATE): Define macro.
 921         (mep_can_eliminate): New function.
 922
 923         * config/mips/mips.h (CAN_ELIMINATE): Remove macro.
 924         * config/mips/mips.c (TARGET_CAN_ELIMINATE): Define macro.
 925         (mips_can_eliminate): New function.
 926
 927         * config/rs6000/rs6000.h (CAN_ELIMINATE): Remove macro.
 928         * config/rs6000/rs6000.c (TARGET_CAN_ELIMINATE): Define macro.
 929         (rs6000_can_eliminate): New function.
 930
 931         * config/s390/s390.h (CAN_ELIMINATE): Remove macro.
 932         * config/s390/s390.c (TARGET_CAN_ELIMINATE): Define macro.
 933         (s390_can_eliminate): Declare as static.
 934         * config/s390/s390-protos.h (sparc_can_eliminate): Remove.
 935
 936         * config/score/score.h (CAN_ELIMINATE): Remove macro.
 937         * config/score/score.c (TARGET_CAN_ELIMINATE): Define macro.
 938         (score_can_eliminate): New function.
 939
 940         * config/sparc/sparc.h (CAN_ELIMINATE): Remove macro.
 941         * config/sparc/sparc.c (TARGET_CAN_ELIMINATE): Define macro.
 942         (sparc_can_eliminate): Declare as static.
 943         * config/sparc/sparc-protos.h (sparc_can_eliminate): Remove.
 944
 945         * config/stormy16/stormy16.h (CAN_ELIMINATE): Remove macro.
 946         * config/stormy16/stormy16.c (TARGET_CAN_ELIMINATE): Define macro.
 947         (xstormy16_can_eliminate): New function.
 948
 949         * config/v850/v850.h (CAN_ELIMINATE): Remove macro.
 950         * config/v850/v850.c (TARGET_CAN_ELIMINATE): Define macro.
 951         (v850_can_eliminate): New function.
 952
 953 2009-08-25  Uros Bizjak  <ubizjak@gmail.com>
 954
 955         * config/alpha/alpha.md (*cmpdf_ieee_ext[123]): Remove.
 956         (*cmpdf_internal): Enable for all ALPHA_FPTM levels.
 957         (*movdfcc_ext[1234]): Disable for IEEE mode.
 958
 959 2009-08-25  Eric Botcazou  <ebotcazou@adacore.com>
 960
 961         * gimplify.c (prepare_gimple_addressable): New static function.
 962         (gimplify_modify_expr_to_memcpy): Invoke it on the RHS before marking
 963         it addressable.
 964         (gimplify_addr_expr): Invoke it similarly on the operand instead of
 965         manually fiddling with it.
 966
 967 2009-08-25  Michael Matz  <matz@suse.de>
 968
 969         * expr.h (jumpifnot_1, jumpif_1, do_jump_1): Declare.
 970         * dojump.c (do_jump_by_parts_greater): Take two operands instead of
 971         full expression.
 972         (do_jump_by_parts_equality, do_compare_and_jump): Ditto.
 973         (jumpifnot_1, jumpif_1): New wrappers for do_jump_1.
 974         (do_jump): Split out code for simple binary comparisons into ...
 975         (do_jump_1): ... this, taking the individual operands and code.
 976         Change callers to helper function above accordingly.
 977         * expr.c (expand_expr_real_1): Use jumpifnot_1 for simple binary
 978         comparisons.
 979
 980 2009-08-25  Michael Matz  <matz@suse.de>
 981
 982         * expr.h (struct separate_ops, sepops): New type for passing
 983         around an exploded simple expression.
 984         * optabs.c (expand_widen_pattern_expr, expand_vec_shift_expr):
 985         Use this structure instead of expression tree.
 986         (get_vcond_icode, expand_vec_cond_expr_p): Don't take whole
 987         expression, only its type.
 988         (expand_vec_cond_expr): Take type and individual operands instead
 989         of full expression.
 990         * optabs.h (expand_widen_pattern_expr, expand_vec_cond_expr,
 991         expand_vec_shift_expr): Change prototype accordingly.
 992         * tree-vect-stmts.c (vectorizable_condition): Change call of
 993         expand_vec_cond_expr_p to pass only type.
 994         * expr.c (do_store_flags): Change prototype and implementation
 995         to take an exploded expression.
 996         (expand_expr_real_1): New local ops initialized with details
 997         of the full expression.  Use it instead of full
 998         expression in calls to do_store_flags, expand_vec_cond_expr,
 999         expand_widen_pattern_expr and expand_vec_shift_expr.
1000
1001 2009-08-25  Michael Matz  <matz@suse.de>
1002
1003         * expr.c (expand_expr_real_1): New local treeop0, treeop1,
1004         treeop2 initialized with first three operands of the full expression.
1005         Substitute all TREE_OPERAND (exp, [012]) calls with them.
1006
1007 2009-08-25  Kai Tietz  <kai.tietz@onevision.com>
1008
1009         * gcc/gthr-win32.h (__UNUSED_PARAM): Define, if not already present.
1010         (__gthread_objc_condition_allocate): Mark arguments as unused.
1011         (__gthread_objc_condition_deallocate): Likewise.
1012         (__gthread_objc_condition_wait): Likewise.
1013         (__gthread_objc_condition_broadcast): Likewise.
1014         (__gthread_objc_condition_signal): Likewise.
1015         (__gthread_objc_thread_detach): Cast via INT_PTR to pointer.
1016         (__gthread_objc_thread_id): Likewise.
1017
1018 2009-08-25  Janus Weil  <janus@gcc.gnu.org>
1019
1020         PR middle-end/41149
1021         * tree-pretty-print.c (print_call_name): Print the correct call name
1022         for procedure pointer components.
1023
1024 2009-08-24  Steve Ellcey  <sje@cup.hp.com>
1025
1026         * config/ia64/ia64.c (ia64_promote_function_mode): Call
1027         default_promote_function_mode when not VMS.
1028
1029 2009-08-24  Olivier Hainque  <hainque@adacore.com>
1030
1031         * convert.c (convert_to_integer): Don't assume an input pointer is
1032         POINTER_SIZE wide.  Fetch from the type instead.
1033
1034 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1035
1036         * configure.ac (AC_PREREQ): Bump to 2.64.
1037
1038 2009-08-24  Rafael Avila de Espindola  <espindola@google.com>
1039
1040         * gcc.c (standard_exec_prefix_1,standard_exec_prefix_2): Remove.
1041         (process_command): Don't search standard_exec_prefix_1 and
1042         standard_exec_prefix_2.
1043
1044 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1045
1046         * config/arm/arm.c (output_return_instruction): Handle for
1047         unified syntax.
1048
1049 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1050
1051         * config/arm/arm.c (arm_select_cc_mode): Handle subreg.
1052
1053 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1054
1055         * config/arm/vfp.md (*arm_movdi_vfp): Mark as predicable.
1056         (*arm_movdf_vfp): Likewise.
1057
1058 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1059
1060         * config/arm/neon.md (vashl<mode>3): Rename from ashl<mode>3.
1061         (vashr<mode>3): Rename from ashr<mode>3.
1062         (vlshr<mode>3): Rename from lshr<mode>3.
1063
1064 2009-08-24  Kai Tietz  <kai.tietz@onevision.com>
1065
1066         PR/40786
1067         * c-format.c (format_wanted_type):  Add new member scalar_identity_flag.
1068         (check_format_info_main): Use scalar_identify_flag.
1069         (check_format_types): Check for scalar size identity if
1070         scalar_identify_flag is set.
1071         (printf_length_specs): Extend by new field.
1072         (asm_fprintf_length_specs): Likewise.
1073         (gcc_diag_length_specs): Likewise.
1074         (scanf_length_specs): Likewise.
1075         (strfmon_length_specs): Likewise.
1076         (gcc_gfc_length_specs): Likewise.
1077         * config/i386/msformat-c.c (ms_printf_length_specs): Likewise.
1078         (ms_printf_flag_specs): Likewise.
1079         * c-format.h (format_length_info): Add new member scalar_identity_flag.
1080
1081 2009-08-23  Uros Bizjak  <ubizjak@gmail.com>
1082
1083         PR target/40718
1084         * config/i386/i386.c (*call_pop_1): Disable for sibling calls.
1085         (*call_value_pop_1): Ditto.
1086         (*sibcall_pop_1): New insn pattern.
1087         (*sibcall_value_pop_1): Ditto.
1088
1089 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
1090
1091         PR target/41081
1092         * config/rs6000/rs6000.md (rotlsi3_64, ashlsi3_64, lshrsi3_64,
1093         ashrsi3_64): New.
1094
1095 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
1096
1097         PR target/41081
1098         * fwprop.c (try_fwprop_subst): Allow multiple sets.
1099         (get_reg_use_in): New function.
1100         (forward_propagate_subreg): Propagate through subreg of zero_extend
1101         or sign_extend.
1102
1103 2009-08-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1104
1105         * config/sh/t-sh (TARGET_LIBGCC2_CFLAGS): Define.
1106         * config/sh/t-netbsd (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1107
1108 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1109
1110         * configure.ac: Remove --with-datarootdir, --with-docdir,
1111         --with-htmldir switches.  No need to call AC_SUBST for
1112         datarootdir, docdir, htmldir any more.
1113         * configure: Regenerate.
1114         * doc/install.texi (Configuration): Document --datarootdir,
1115         --docdir, --htmldir, --pdfdir; update documentation for
1116         --infodir, --mandir.
1117         (Prerequisites): Bump Autoconf version to 2.64, Automake to 1.11,
1118         M4 to 1.4.6.
1119
1120         * aclocal.m4: Regenerate.
1121         * config.in: Regenerate.
1122         * configure: Regenerate.
1123
1124 2009-08-21  Douglas B Rupp  <rupp@gnat.com>
1125             Olivier Hainque  <hainque@adacore.com>
1126
1127         * config/ia64/ia64.c: Include libfuncs.h.
1128         (TARGET_PROMOTE_FUNCITON_MODE): Define target macro.
1129         (ia64_expand_call): Use reg 25 on VMS.
1130         (ia64_initialize_trampoline): Fix for VMS ABI.
1131         (ia64_function_arg_offset): Always returns 0 when TARGET_ABI_OPEN_VMS.
1132         (ia64_function_arg): Initialize reg 25 on VMS.
1133         Fix OpenVMS ABI issues for varargs.
1134         For OpenVMS, emit the Argument Information register set in the
1135         incoming/sibcall case as well.
1136         (ia64_arg_type): New function.
1137         (ia64_function_arg_advance): Keep track of cum->words.
1138         Fix OpenVMS ABI issues for varargs.
1139         (ia64_function_value): On VMS, promote mode of non-aggregate types.
1140         (ia64_override_options): Set flag_no_common on VMS.
1141         (ia64_init_builtins): Disable FWRITE builtin.
1142         (ia64_asm_output_external): Call DO_CRTL_NAMES.
1143         (ia64_vms_init_libfuncs): Add decc$ routines.
1144         (ia64_vms_valid_pointer_mode): New function.
1145         (ia64_struct_value_rtx): Allways NULL_RTX on VMS.
1146         (ia64_promote_function_mode): New function
1147         * config/ia64/ia64.h (TARGET_ABI_OPEN_VMS): Define as 0 for default.
1148         (LONG_DOUBLE_TYPE_SIZE): Force to 64 on VMS.
1149         (LIBCGC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1150         (INIT_CUMULATIVE_ARGS): Add atypes for VMS.
1151         (INIT_CUMULATIVE_INCOMING_ARGS): Likewise.
1152         (ASM_OUTPUT_DEF): Use ISDIGIT instead of isdigit.
1153         Suppress trailing '#' if VALUE is numeric.
1154         * config/ia64/vms.h (PROMOTE_FUNCTION_MODE): Remove, code moved to
1155         ia64_promote_function_mode.
1156         (TARGET_VALID_POINTER_MODE): Define.
1157
1158 2009-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
1159
1160         PR target/40671
1161         * config/rs6000/rs6000.c (rs6000_override_options): Use
1162         TARGET_64BIT instead of TARGET_POWERPC64 to set the size of pointers.
1163
1164         PR target/41145
1165         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Fix
1166         reporting of vector + decimal/boolean/complex error.
1167
1168 2009-08-21  Jakub Jelinek  <jakub@redhat.com>
1169
1170         * config/rs6000/rs6000.c (rs6000_init_builtins): Fix type of
1171         __vector double TYPE_DECL.
1172
1173 2009-08-21  Richard Earnshaw  <rearnsha@arm.com>
1174
1175         * arm.h (MACHMODE): New define.  Include insn-modes.h if available.
1176         (CUMULATIVE_ARGS): Use MACHMODE for declaration of aapcs_vfp_mode.
1177         * arm.c (aapcs_vfp_is_call_or_return_candidate): Change base_mode
1178         to pointer to enum machine_mode.  Update all callers as needed.
1179
1180 2009-08-21 Uros Bizjak <ubizjak@gmail.com>
1181
1182         * config/alpha/alpha.md (exception_receiver): Emit alternative
1183         GP load sequence if flag_reorder_blocks_and_partition is set.
1184         (*exception_receiver_2): Also enable when
1185         flag_reorder_blocks_and_partition is set.
1186
1187 2009-08-20  Matt Rice  <ratmice@gmail.com>
1188             Diego Novillo  <dnovillo@google.com>
1189
1190         * Makefile.in (PLUGIN_HEADERS): Include incpath.h and
1191         tree-ssa-sccvn.h.
1192
1193 2009-08-20  Richard Guenther  <rguenther@suse.de>
1194
1195         * c-objc-common.h (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Do not define.
1196         * c-tree.h (c_dup_lang_specific_decl): Remove.
1197         (struct lang_decl, struct lang_type): Move definitions ...
1198         * c-lang.h: ... here.  New file.
1199         * c-decl.c: Include c-lang.h.
1200         (c_dup_lang_specific_decl): Remove.
1201         * c-typeck.c: Include c-lang.h.
1202         * Makefile.in (c-decl.o): Add c-lang.h dependency.
1203         (c-typeck.o): Likewise.
1204         * c-config-lang.in (gtfiles): Add c-lang.h.
1205         * gengtype.c (get_output_file_with_visibility): Handle c-lang.h
1206         like c-tree.h.
1207
1208 2009-08-20  Uros Bizjak  <ubizjak@gmail.com>
1209
1210         * config/alpha/alpha.c (alpha_end_function): Do not clear
1211         crtl->emit structure and free insn locators if cfun->is_thunk is true,
1212         this is now handled in generic code.
1213
1214 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
1215
1216         * config/s390/s390.c (Z10_PREDICT_DISTANCE): New macro.
1217         (s390_z10_fix_long_loop_prediction): New function.
1218         (s390_z10_optimize_cmp): INSN walk moved to callee - s390_reorg.
1219         (s390_reorg): Walk over the INSNs and invoke
1220         s390_z10_fix_long_loop_prediction and s390_z10_optimize_cmp.
1221
1222 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
1223
1224         * config/s390/s390.md ("*brx_stage1_<GPR:mode>", "*brxg_64bit",
1225         "*brx_64bit", "*brx_31bit"): New patterns.
1226         * config/s390/s390.c ('E'): New output modifier.
1227
1228 2009-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1229             Richard Earnshaw  <richard.earnshaw@arm.com>
1230
1231         * config/arm/arm.c (arm_emit_movpair): Handle CONST_INT.
1232         * config/arm/arm.md (*arm_movtas_ze): New pattern for movt.
1233
1234 2009-08-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1235
1236         * pa.md (reload_inhi, reload_outhi, reload_inqi, reload_outqi): New
1237         patterns.
1238         * pa.c (emit_move_sequence): Check if address of operand1 is valid
1239         for mode mode of operand0 when doing secondary reload for SAR.
1240
1241 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
1242
1243         PR middle-end/41123
1244         * expr.c (expand_expr_real_1) <normal_inner_ref>: Handle all kinds
1245         of CONCAT, not just bitpos 0 bitsize size of the whole CONCAT.
1246
1247 2009-08-19  Jason Merrill  <jason@redhat.com>
1248
1249         * doc/invoke.texi (C++ Dialect Options): Note change of minimum
1250         supported template depth in C++0x.
1251
1252 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
1253
1254         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Don't call
1255         free_after_compilation.
1256         * config/score/score7.c (score7_output_mi_thunk): Likewise.
1257         * config/score/score3.c (score3_output_mi_thunk): Likewise.
1258         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1259         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
1260         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1261         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
1262         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1263
1264 2009-08-19  Ian Lance Taylor  <iant@google.com>
1265
1266         * doc/md.texi (Insn Canonicalizations): Correct canonicalization
1267         of (plus (mult (neg B) C) A).
1268
1269 2009-08-18  Michael Matz  <matz@suse.de>
1270
1271         * omp-low.c (optimize_omp_library_calls): Use types_compatible_p
1272         instead of comparing TYPE_MAIN_VARIANT for equality.
1273         * tree-vect-patterns.c (vect_recog_dot_prod_pattern,
1274         vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern): Ditto.
1275         * tree-vect-loop.c (vect_is_simple_reduction): Ditto.
1276         * gimplify.c (goa_lhs_expr_p): Ditto and use
1277         STRIP_USELESS_TYPE_CONVERSION.
1278
1279 2009-08-18  Michael Matz  <matz@suse.de>
1280
1281         * tree-ssa-structalias.c (create_variable_info_for): Also mark
1282         first field in a struct.
1283         (intra_create_variable_infos): Don't deal with flag_argument_noalias.
1284
1285 2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
1286
1287         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
1288         locators before emit_insn is called.  Remove assert that
1289         cfun->is_thunk.
1290         (alpha_end_function): Clear crtl->emit structure and free insn
1291         locators if cfun->is_thunk is true.
1292
1293 2009-08-18  Jason Merrill  <jason@redhat.com>
1294
1295         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1296         type if available.
1297         * configure.ac: Test for it.
1298         * configure, config.in: Regenerate.
1299         * doc/install.texi: Document --enable-gnu-unique-object.
1300
1301 2009-08-18  Richard Guenther  <rguenther@suse.de>
1302
1303         PR middle-end/41094
1304         * builtins.c (fold_builtin_pow): Fold pow(pow(x,y),z) to
1305         pow(x,y*z) only if x is nonnegative.
1306
1307 2009-08-18  Jakub Jelinek  <jakub@redhat.com>
1308
1309         * bb-reorder.c (fix_up_fall_thru_edges): Only call invert_jump
1310         on jumps.
1311
1312         PR target/40971
1313         * config/rs6000/rs6000.c (rs6000_legitimize_address): For
1314         [DT][FDI]mode ensure the offset isn't 4/8/12 bytes below 0x8000.
1315
1316 2009-08-17  DJ Delorie  <dj@redhat.com>
1317
1318         * config/m32c/m32c.md (UNS_FSETB, UNS_FREIT): New.
1319         * config/m32c/prologue.md (epilogue_freit): New.
1320         (fset_b): New.
1321         * config/m32c/m32c.c (m32c_function_needs_enter): Add prototype.
1322         (bank_switch_p): Likewise.
1323         (fast_interrupt_p): Likewise.
1324         (interrupt_p): Likewise.
1325         (m32c_conditional_register_usage): Round memregs size up.
1326         (need_to_save): We only need to save $a0 when we use ENTER.
1327         (interrupt_p): Check for fast_interrupt too.
1328         (bank_switch_p): New.
1329         (fast_interrupt_p): New.
1330         (m32c_attribute_table): Add bank_switch and fast_interrupt.
1331         (m32c_emit_prolog): Support bank switching and fast interrupts.
1332         * doc/extend.texi (Function Attributes): Add bank_switch and
1333         fast_interrupt.
1334
1335 2009-08-17  Douglas B Rupp  <rupp@gnat.com>
1336
1337         * config/alpha/alpha.c (vms_valid_pointer_mode): New function.
1338         * config/alpha/vms.h (TARGET_VALID_POINTER_MODE): Define.
1339
1340 2009-08-16  Douglas B Rupp  <rupp@gnat.com>
1341
1342         * doc/invoke.texi (Target options): Add new option list for IA-64/VMS.
1343         (menu): Add IA-64/VMS Options.
1344         (IA-64/VMS Options): Likewise.
1345
1346 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
1347
1348         PR target/38599
1349         * config/mips/mips.md (*lwxs): Use :P for pointer values.
1350
1351 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
1352
1353         * config/mips/mips-protos.h (mips_push_asm_switch): New function.
1354         (mips_pop_asm_switch): Likewise.
1355         * config/mips/mips.c (set_noreorder, set_nomacro, set_noat): Replace
1356         with...
1357         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
1358         (mips_push_asm_switch_1, mips_pop_asm_switch_1): New functions.
1359         (mips_push_asm_switch, mips_pop_asm_switch): Likewise.
1360         (mips_print_operand_punctuation): Use them.  Check mips_noreorder
1361         instead of set_noreorder.
1362         (mips_output_function_prologue): Use the new functions.
1363         (mips_output_function_epilogue): Likewise.
1364         (mips_need_noat_wrapper_p): New function, split out from...
1365         (mips_final_prescan_insn, mips_final_postscan_insn): ...here.
1366         Use mips_push_asm_switch and mips_pop_asm_switch.
1367         * config/mips/mips.h (FUNCTION_PROFILER): Use mips_push_asm_switch
1368         and mips_pop_asm_switch.
1369         (ASM_OUTPUT_REG_POP): Likewise.
1370         (DBR_OUTPUT_SEQEND): Remove boilerplate comment.
1371         Use mips_pop_asm_switch.
1372         (mips_asm_switch): New structure.
1373         (set_noreorder, set_nomacro): Replace with...
1374         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
1375         * config/mips/mips.md (fix_truncdfsi2_macro): Use mips_nomacro
1376         instead of set_nomacro.
1377         (fix_truncsfsi2_macro): Likewise.
1378         (cprestore): Likewise.
1379         (hazard): Use mips_noreorder instead of set_noreorder.
1380         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
1381
1382 2009-08-16  Uros Bizjak  <ubizjak@gmail.com>
1383
1384         * config/alpha/alpha.c (alpha_end_function): Handle NULL_RTX returned
1385         from prev_active_insn.
1386
1387 2009-08-16  Anatoly Sokolov  <aesok@post.ru>
1388
1389         * config/avr/avr.h (AVR_HAVE_8BIT_SP): New macros.
1390         * config/avr/avr.c (avr_override_options): Initialize
1391         avr_current_arch variable.
1392         (avr_cpu_cpp_builtins): Define __AVR_HAVE_8BIT_SP__ or
1393         __AVR_HAVE_16BIT_SP__ according to the device type.
1394         (expand_prologue, output_movhi): Use AVR_HAVE_8BIT_SP instead of
1395         TARGET_TINY_STACK.
1396         (expand_epilogue): Use correct QI mode frame pointer for tiny stack.
1397         Use AVR_HAVE_8BIT_SP instead of TARGET_TINY_STACK.
1398
1399 2009-08-16  Dodji Seketeli  <dodji@redhat.com>
1400
1401         PR debug/37801
1402         * gcc/dwarf2out.c (gen_inlined_subroutine_die): Concentrate on
1403         generating inlined subroutine die only. We shouldn't be
1404         called for anything else.
1405         (gen_block_die): Don't generate inline subroutine debug info for
1406         abstract blocks.
1407
1408 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1409
1410         * graphite-poly.c (print_pbb): Print PBB index.
1411
1412 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1413
1414         PR middle-end/40981
1415         * graphite-interchange.c (ppl_max_for_le): Moved...
1416         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1417         * graphite-ppl.c (ppl_max_for_le): ... here.  Correct the use of
1418         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1419         * graphite-ppl.h (ppl_max_for_le): Declared.
1420
1421 2009-08-14  Olatunji Ruwase <tjruwase@google.com>
1422
1423         * doc/extend.texi (Symbol-Renaming Pragmas): redefine_extname is
1424         supported on all platforms.
1425         * target.h (struct gcc_target): Remove handle_pragma_redefine_extname.
1426         * c-cppbuiltin.c: Remove use of targetm.handle_pragma_redefine_extname.
1427         * c-pragma.c: Likewise.
1428         * target-def.h (TARGET_INITIALIZER): Remove
1429         TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
1430         * config/sol2.h: Remove use of TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
1431
1432 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
1433
1434         * config/ia64/fde-vms.c: New file.
1435         * config/ia64/fde-glibc.c (_Unwind_FindTableEntry): Add dummy arg.
1436         * config/ia64/unwind-ia64.c (UNW_ accessors): Move to unwind-ia64.h
1437         (MD_UNW_COMPATIBLE_PERSONALITY_P): Provide default.
1438         (uw_frame_state_for): Only register a personality routine if it is
1439         known to be compatible with our expectations.
1440         (_Unwind_FindEnclosingFunction, uw_frame_state_for):
1441         Declare unw_table_entry stack variable and
1442         mod all calls to _Unwind_FindTableEntry to add arg.
1443         * config/ia64/unwind-ia64.h (UNW_ accessors): Move here.
1444         (_Unwind_FindTableEntry): Add arg to prototype.
1445
1446 2009-08-14  Eric Botcazou  <ebotcazou@adacore.com>
1447
1448         * config/ia64/unwind-ia64.c (struct _Unwind_Context): Add new
1449         field 'signal_pfs_loc'.
1450         (uw_frame_state_for): Remove duplicate code dealing with leaf
1451         procedures without unwind info.
1452         If in the frame after unwinding through a signal handler, restore
1453         the AR.PFS register instead of the CFM if AR.PFS has not been saved.
1454         * config/ia64/linux-unwind.h (ia64_fallback_frame_state): Do not set
1455         'pfs_loc' to the AR.PFS location in the signal context; instead
1456         set 'signal_pfs_loc'.
1457         Manually generate the unwind info for the AR.PFS register.
1458         (ABI_MARKER_OLD_LINUX_SIGTRAMP, ABI_MARKER_OLD_LINUX_INTERRUPT,
1459         ABI_MARKER_LINUX_SIGTRAMP, ABI_MARKER_LINUX_INTERRUPT): Define.
1460         (ia64_handle_unwabi): Test 'fs->unwabi' against them.
1461         Do not set 'pfs_loc' to the AR.PFS location in the signal context;
1462         instead set 'signal_pfs_loc'.
1463         Remove code preventing the AR.PFS register from being restored
1464         from the signal context.
1465
1466 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
1467             Tristan Gingold  <gingold@adacore.com>
1468
1469         * config.gcc (ia64-hp-*vms*): Insert ia64/t-ia64 in tmake_file.
1470         * config/ia64/t-vms: New file.
1471         * config/ia64/vms64.h: New file.
1472         * config/ia64/vms.h: New file.
1473         * config/ia64/vms-crtinit.asm: New file.
1474         * config/ia64/vms_symvec_libgcc_s.opt: New file.
1475         * config/ia64/vms-unwind.h: New file.
1476
1477 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
1478
1479         * config/alpha/alpha.c (alpha_emit_conditional_move): Handle
1480         TFmode compares.
1481
1482 2009-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1483
1484         PR middle-end/30789
1485         * builtins.c (do_mpc_arg2): Make extern, define for any MPC version.
1486         Move declaration...
1487         * real.h (do_mpc_arg2): ... here.
1488         * fold-const.c (const_binop): Use MPC for complex MULT_EXPR
1489         and RDIV_EXPR.
1490
1491 2009-08-14  Rafael Avila de Espindola  <espindola@google.com>
1492
1493         * final.c (add_debug_prefix_map): Don't use GC memory for
1494         old_prefix and new_prefix.
1495
1496 2009-08-14  Richard Guenther  <rguenther@suse.de>
1497
1498         * ipa-prop.c (compute_complex_pass_through): If we cannot
1499         compute a non-varying offset for IPA_JF_ANCESTOR punt.
1500
1501 2009-08-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1502
1503         * c-lex.c (c_lex_with_flags): Increase size of local variable
1504         to avoid memory clobber.
1505
1506 2009-08-14  Paolo Bonzini  <bonzini@gnu.org>
1507
1508         PR target/40934
1509         * config/i386/i386.c (ix86_fp_comparison_strategy):
1510         Only enable/disable sahf at function granularity.
1511
1512 2009-08-14  Hans-Peter Nilsson  <hp@axis.com>
1513
1514         PR rtl-optimization/41064
1515         * reload1.c (reload_as_needed): Don't call extract_insn
1516         for known invalid replacements after calling
1517         validate_replace_rtx_group and verify_changes.
1518
1519 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
1520
1521         PR target/41019
1522         * config/i386/sse.md (SSEMODE124C8): New mode iterator.
1523         (vcond<SSEMODEF2P:mode>): Assert that operation is supported by
1524         ix86_expand_fp_vcond.
1525         (vcond<SSEMODE124C8:mode>): Use SSEMODE124C8 instead of SSEMODE124.
1526         Assert that operation is supported by ix86_expand_int_vcond.
1527         (vcondu<SSEMODE124C8:mode>): Ditto.
1528
1529 2009-08-13  DJ Delorie  <dj@redhat.com>
1530
1531         * config/i386/djgpp-stdint.h: New.
1532         * config.gcc (djgpp): Use it.
1533
1534 2009-08-13  Kaz Kojima  <kkojima@gcc.gnu.org>
1535
1536         * config/sh/sh.c (sh_override_options): When flag_exceptions or
1537         flag_unwind_tables is on, turn flag_reorder_blocks_and_partition off.
1538
1539 2009-08-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
1540
1541         * tree-ssa-loop-prefetch.c
1542         (prune_ref_by_group_reuse): Enhance probabilistic analysis
1543         for long-stride pruning.
1544         (compute_miss_rate): New function to compute the probability
1545         that two memory references access different cache lines.
1546
1547 2009-08-13  Dave Korn  <dave.korn.cygwin@gmail.com>
1548
1549         * gcc/config/i386/cygwin.h (LINK_SPEC): Add --enable-auto-image-base.
1550
1551 2009-08-13  Richard Guenther  <rguenther@suse.de>
1552
1553         PR middle-end/41047
1554         * tree-ssa-ccp.c (ccp_fold): When folding pointer additions
1555         use the constant pointer type.
1556         * gimplify.c (canonicalize_addr_expr): Canonicalize independent
1557         of CV qualifiers on the target pointer type.
1558         * tree-ssa.c (useless_type_conversion_p): Move incomplete pointer
1559         conversion check before restrict check.
1560
1561 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1562
1563         PR target/41029
1564         * config/sh/sh.md (reload_outdf__RnFRm+4): Fix thinko.
1565
1566 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1567
1568         * config/sh/sh.c (sh_promote_function_mode): Add ATTRIBUTE_UNUSED.
1569
1570 2009-08-12  Richard Guenther  <rguenther@suse.de>
1571
1572         PR tree-optimization/41011
1573         * ipa-cp.c (ipcp_lattice_from_jfunc): Deal with failing fold
1574         and reference constructing.
1575
1576 2009-08-12  Xinliang David Li  <davidxl@google.com>
1577
1578         PR tree-optimization/41012
1579         * tree-flow.h : New external interface.
1580         * gimple-low.c (check_call_arg): Change to public function.
1581         Remove argument mismatch check in lowering.
1582         * tree-inline.h (tree_can_inline_p): Interface change.
1583         * tree-inline.c (tree_can_inline_p): Fold argument mismatch check
1584         into this function.
1585         * ipa-inline.c (cgraph_decide_inlining_of_small_functions):
1586         Call change to tree_can_inline_p function.
1587         (cgraph_decide_inlining_incrementally): Ditto.
1588
1589 2009-08-12  Richard Sandiford  <rdsandiford@googlemail.com>
1590
1591         PR tree-optimization/41031
1592         * tree-outof-ssa.c (insert_value_copy_on_edge): Use promote_decl_mode
1593         on the partition variable rather than promote_mode on the source
1594         type.  Assert that the partition variable's type has the same
1595         mode as the source value's.
1596
1597 2009-08-12  Paolo Bonzini  <bonzini@gnu.org>
1598
1599         * doc/tm.texi (TARGET_PROMOTE_FUNCTION_MODE): Add documentation
1600         for for_return == 2.
1601         * function.c (assign_parm_setup_reg): Use for_return == 2, improve
1602         comments.
1603         * calls.c (expand_call): Fix typo.
1604         * explow.c (promote_decl_mode): Use for_return == 2 for RESULT_DECL
1605         and PARM_DECL.
1606         * stmt.c (expand_value_return): Use promote_function_mode to copy out
1607         of pseudo.
1608         * targhooks.c (default_promote_function_mode): Handle for_return == 2.
1609         * config/cris/cris.c (cris_promote_function_mode): Likewise.
1610         * config/mmix/mmix.c (mmix_promote_function_mode): Likewise.
1611         * config/pa/pa.c (pa_promote_function_mode): Likewise.
1612
1613 2009-08-12  Andrew Haley  <aph@redhat.com>
1614
1615         * config/arm/arm.c (arm_init_libfuncs): Add __sync_synchronize.
1616
1617 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1618
1619         PR bootstrap/40103
1620         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
1621
1622 2009-08-12  Richard Guenther  <rguenther@suse.de>
1623
1624         * alias.c (get_alias_set): Honor TYPE_STRUCTURAL_EQUALITY_P.
1625         * gimplify.c (gimplify_modify_expr): Do not use
1626         lang_hooks.types_compatible_p.
1627         * tree-ssa.c (useless_type_conversion_p): For aggregates
1628         just return false if the canonical types differ.
1629
1630 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1631
1632         PR middle-end/40980
1633         * sese.c (convert_for_phi_arg): New.
1634         (add_guard_exit_phis): Use convert_for_phi_arg.
1635
1636 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1637
1638         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1639         unknown subscript upper bounds.
1640
1641 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1642             Pranav Garg  <pranav.garg2107@gmail.com>
1643
1644         * graphite-interchange.c (gather_access_strides): Removed.
1645         (ppl_max_for_le): New.
1646         (build_linearized_memory_access): New.
1647         (memory_stride_in_loop): New.
1648         (pbb_interchange_profitable_p): Reimplemented.
1649         * graphite-ppl.h (ppl_new_id_map): New.
1650         (ppl_interchange): New.
1651
1652 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1653
1654         * graphite-interchange.c (compute_subscript): Removed.
1655         (compute_array_size_cstr): Removed.
1656         (compute_array_size_poly): Removed.
1657         (compute_array_size): Removed.
1658         (gather_access_strides_poly): Removed.
1659         (gather_access_strides): Empty.
1660
1661 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1662
1663         * graphite-dependences.c (dependence_polyhedron_1): Replace
1664         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1665         (graphite_legal_transform_dr): Same.
1666         (graphite_carried_dependence_level_k): Same.
1667         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1668         Initialize PDR_NB_SUBSCRIPTS.
1669         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1670         PDR_NB_SUBSCRIPTS.
1671         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1672         (PDR_NB_SUBSCRIPTS): New.
1673         (pdr_nb_subscripts): Removed.
1674         (pdr_dim): Simplified.
1675         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1676         with PDR_NB_SUBSCRIPTS.
1677
1678 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1679
1680         * graphite-interchange.c (compute_array_size): Remove use of
1681         PDR_DATA_CONTAINER.
1682         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1683         Do not initialize PDR_DATA_CONTAINER.
1684         (print_pdr): Do not print PDR_DATA_CONTAINER.
1685         * graphite-poly.h (struct poly_dr): Remove data_container field.
1686         (PDR_DATA_CONTAINER): Removed.
1687         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1688         PDR_DATA_CONTAINER.
1689         (build_poly_dr): Same.
1690
1691 2009-08-12  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1692             Sebastian Pop  <sebastian.pop@amd.com>
1693
1694         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1695         copy of the dependence polyhedron.  Free the temporary objects.
1696         (graphite_carried_dependence_level_k): Free unused objects before
1697         returning.
1698
1699         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
1700         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
1701         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
1702         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
1703         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
1704
1705 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1706
1707         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1708         Early return without analyzing the data dependences if no
1709         transform has been done.  Call restore_scattering if the transform
1710         is not legal.
1711         (graphite-interchange.c): Same.
1712         * graphite-poly.c (print_scattering_function): Test for
1713         PBB_TRANSFORMED.
1714         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1715         (apply_poly_transforms): Do not gcc_assert that
1716         the transform is legal.
1717         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED and PBB_ORIGINAL.
1718         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1719         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1720         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1721         * graphite-poly.h (struct poly_scattering): New.
1722         (struct poly_bb): Add original, transformed, and saved fields.
1723         Remove transformed_scattering, original_scattering,
1724         nb_local_variables and nb_scattering_transform fields.
1725         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1726         (poly_scattering_new): New.
1727         (poly_scattering_free): New.
1728         (poly_scattering_copy): New.
1729         (store_scattering_pbb): New.
1730         (store_scattering): New.
1731         (restore_scattering_pbb): New.
1732         (restore_scattering): New.
1733         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1734         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1735
1736 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1737
1738         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1739         (print_scop): Same.
1740
1741 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1742
1743         * Makefile.in (graphite.o): Depends on PREDICT_H.
1744         * graphite.c: Include predict.h.
1745         (graphite_finalize): Call tree_estimate_probability.
1746         * predict.c (predict_loops): Do not call scev_initialize and
1747         scev_finalize.
1748         (tree_estimate_probability_bb): New.
1749         (tree_estimate_probability): Do not initialize loops: move that
1750         code to the driver.  Call tree_estimate_probability_bb.
1751         (tree_estimate_probability_driver): New.
1752         (pass_profile): Use tree_estimate_probability_driver.
1753         * predict.h (tree_estimate_probability): Declared.
1754
1755 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1756
1757         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1758         * graphite-dependences.c (graphite_legal_transform): Add time to
1759         TV_GRAPHITE_DATA_DEPS.
1760         (dependency_between_pbbs_p): Same.
1761         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1762
1763 2009-08-12  Andrey Belevantsev  <abel@ispras.ru>
1764
1765         PR rtl-optimization/41033
1766         * alias.c (nonoverlapping_component_refs_p): Punt when strict
1767         aliasing is disabled.
1768
1769 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
1770
1771         * config/mips/predicates.md (qi_mask_operand, hi_mask_operand,
1772         si_mask_operand, and_load_operand, low_bitmask_operand,
1773         and_reg_operand, and_operand): New predicates.
1774         * config/mips/constraints.md (Yb, Yh, Yw, Yz): New constraints.
1775         * config/mips/mips.c (and_operands_ok): New function.
1776         * config/mips/mips-protos.h (and_operands_ok): Declare it.
1777         * config/mips/mips.md (move_type): Add ext_ins and logical.
1778         (type): Handle them.
1779         (and<mode>3): Use and_reg_operand as the second operand's predicate.
1780         (*and<mode>3): Add alternatives for lbu, lhu, lwu, <d>ext and
1781         shift_shift.  Remove commutative constraint modifier.
1782         (*and<mode>3_mips16): Add alternatives for lbu, lhu, lwu and
1783         shift_shift.
1784         (*clear_upper32_dext): Remove define_insn_and_split.
1785         (*clear_upper32): Turn this define_insn_and_split ...
1786         (splitter for ANDing register with 0xffff_ffff): .. into this.
1787
1788 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
1789
1790         * combine.c (try_widen_shift_mode): Factor out code to check if an
1791         integer constant is a low-order bitmask from here ...
1792         * rtlanal.c (low_bitmask_len): ... to here.
1793         * rtl.h (low_bitmask_len): Declare.
1794
1795 2009-08-11  Uros Bizjak  <ubizjak@gmail.com>
1796
1797         PR target/8603
1798         * config/alpha/alpha.md (addsi3): Remove expander.
1799         (addsi3): Rename from *addsi3_internal insn pattern.
1800         (subsi3): Remove expander.
1801         (subsi3): Rename from *subsi3_internal insn pattern.
1802
1803 2009-08-11  Douglas B Rupp  <rupp@gnat.com>
1804
1805         * config/alpha/alpha.c (alpha_init_builtins): Nullify FWRITE and
1806         FWRITE_UNLOCKED.
1807
1808 2009-08-11  Vasiliy Fofanov  <fofanov@adacore.com>
1809             Eric Botcazou  <botcazou@adacore.com>
1810             Douglas B Rupp  <rupp@gnat.com>
1811
1812         * config/alpha/alpha.c (alpha_return_in_memory): On VMS, ensure
1813         that records that fit in 64 bits are returned by immediate value,
1814         as required by OpenVMS Calling Standard.
1815         (function_value): Adjust for above modification.
1816         (alpha_va_start) <TARGET_ABI_OPEN_VMS>: Use
1817         virtual_incoming_args_rtx as base object, not next_arg.
1818         * config/alpha/vms.h: (DEFAULT_PCC_STRUCT_RETURN): Define as 0.
1819
1820 2009-08-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1821
1822         * reload.c (find_reloads_subreg_address): Check the original
1823         req_equiv_mem address to detect the case where an address is
1824         not valid in the outer mode.
1825
1826 2009-08-11  Richard Guenther  <rguenther@suse.de>
1827
1828         PR bootstrap/40788
1829         * builtins.c (gimplify_va_arg_expr): Do not call SET_EXPR_LOCATION.
1830
1831 2009-08-10  Douglas B Rupp  <rupp@gnat.com>
1832
1833         * config/alpha/vms.h (OPTIMIZATION_OPTIONS): Remove
1834         (OVERRIDE_OPTIONS): Incorporate removed OPTIMIZATION_OPTIONS.
1835
1836 2009-08-10  Olivier Hainque  <hainqueu@adacore.com>
1837             Douglas B Rupp  <rupp@gnat.com>
1838
1839         * config/alpha/alpha.c (alpha_sa_size): Force procedure type to
1840         PT_STACK when frame_pointer_needed on OpenVMS.
1841         (alpha_pv_save_size, alpha_using_fp): Remove.
1842         (alpha_vms_can_eliminate): New function. Support for CAN_ELIMINATE
1843         with proper processing for PT_NULL.
1844         (alpha_vms_initial_elimination_offset): New function. Support for
1845         INITIAL_ELIMINATION_OFFSET with proper processing for PT_NULL.
1846         (alpha_sa_size): Force procedure type to PT_STACK when
1847         frame_pointer_needed on OpenVMS.
1848         * config/alpha/alpha-protos.h (alpha_pv_save_size): Remove prototype.
1849         (alpha_using_fp): Likewise.
1850         (alpha_vms_can_eliminate): Add prototype.
1851         (alpha_vms_initial_elimination_offset): Likewise.
1852         * config/alpha/vms.h (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET):
1853         Call alpha_vms_can_eliminate and alpha_vms_initial_elimination_offset.
1854
1855 2009-08-10  Eric Botcazou  <botcazou@adacore.com>
1856             Douglas B Rupp  <rupp@gnat.com>
1857
1858         * config/alpha/alpha.c (common_object_handler): New function.
1859         (vms_attribute_table): Declare a single attribute "common_object".
1860         (vms_output_aligned_decl_common): New global function.
1861         (SECTION_VMS_OVERLAY): Delete.
1862         (SECTION_VMS_GLOBAL): Likewise.
1863         (SECTION_VMS_INITIALIZE): Likewise.
1864         (vms_asm_named_section): Remove support for above flags.
1865         (vms_section_type_flags): Delete.
1866         (TARGET_SECTION_TYPE_FLAGS): Likewise.
1867         * config/alpha/alpha-protos.h (vms_output_aligned_decl_common): New.
1868         * config/alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
1869         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New macro.
1870
1871 2009-08-10  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
1872
1873         PR target/41015
1874         * longlong.h [__sh__] (udiv_qrnnd): Add T register to clobber list.
1875         (sub_ddmmss): Likewise.
1876
1877 2009-08-10  Andreas Tobler  <a.tobler@schweiz.org>
1878
1879         PR bootstrap/41018
1880         * config/rs6000/freebsd.h: Define SVR4_ASM_SPEC. Adjust copyright
1881         year.
1882
1883 2009-08-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1884
1885         PR target/37053
1886         * reload1.c (reload_as_needed): Use cancel_changes to completely
1887         undo a failed replacement attempt.
1888
1889 2009-08-10  Richard Guenther  <rguenther@suse.de>
1890
1891         PR middle-end/41006
1892         * tree-ssa.c (useless_type_conversion_p_1): Fold into ...
1893         (useless_type_conversion_p): ... here.  Require pointer targets
1894         to be compatible.
1895
1896 2009-08-10  Dodji Seketeli  <dodji@redhat.com>
1897
1898         PR c++/40866
1899         * tree-inline.c (copy_statement_list): The resulting copy shouldn't
1900         loose the original type of the statement list.
1901
1902 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
1903
1904         * config/alpha/alpha.c: Include libfuncs.h
1905         (avms_asm_output_extern): New function.
1906         (alpha_init_libfuncs): Init some decc libfuncs.
1907         * config/alpha/alpha-protos.h (avms_asm_output_external): Declare.
1908         * config/alpha/vms.h (ASM_OUTPUT_EXTERNAL): Define.
1909         (DO_CRTL_NAMES): Define.
1910         (LIB_SPEC): Remove.
1911         * config/alpha/vms64.h: (POINTERS_EXTEND_UNSIGNED): Remove undef.
1912         (LONG_TYPE_SIZE): Define.
1913         (TARGET_OS_CPP_BUILTINS): Define with __LONG_POINTERS=1
1914         (SUBTARGET_SWITCHES): Define malloc64 switch.
1915         (TARGET_DEFAULT): Default MASK_MALLOC64 set.
1916         (MASK_RETURN_ADDR): Define.
1917         doc/invoke.texi (mmalloc64): Document switch.
1918
1919 2009-08-09  Olivier Hainque  <hainque@adacore.com>
1920             Douglas B Rupp  <rupp@gnat.com>
1921
1922         * config/alpha/alpha.c (struct machine_function): New flag for VMS,
1923         uses_condition_handler.
1924         (alpha_expand_builtin_establish_vms_condition_handler): New expander.
1925         (alpha_expand_builtin_revert_vms_condition_handler): New expander.
1926         (enum alpha_builtin): New ALPHA_BUILTIN_REVERT_VMS_CONDITION_HANDLER
1927         and ALPHA_BUILTIN_ESTABLISH_VMS_CONDITION_HANDLER values.
1928         (code_for_builtin): New insn codes for the new alpha_builtins.
1929         (alpha_init_builtins): Register the new functions as BUILT_IN_MD.
1930         (alpha_sa_size): Account for uses_condition_handler.
1931         (alpha_expand_prologue): Likewise.
1932         (alpha_start_function): Likewise.
1933         (alpha_expand_epilogue): Likewise.
1934         * config/alpha/alpha-protos.h: Prototype the new alpha.c builtin
1935         establish/revert expanders.
1936         * config/alpha/alpha.h (DWARF_FRAME_REGNUM): Define.
1937         * config/alpha/alpha.md (builtin_establish_vms_condition_handler):
1938         New expander, resorting to the alpha.c associated function.
1939         (builtin_revert_vms_condition_handler): Likewise.
1940         * config/alpha/vms-gcc_shell_handler.c: New file. Implements
1941         __gcc_shell_handler, the static VMS condition handler used as
1942         an indirection wrapper to the current dynamically established
1943         handler.
1944         * config/alpha/vms-unwind.h: Complete rewrite.
1945         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Add vms-gcc_shell_handler.c
1946         * config/alpha/vms.h (MD_UNWIND_SUPPORT):
1947
1948 2009-08-09  Eric Botcazou  <botcazou@adacore.com>
1949             Douglas B Rupp  <rupp@gnat.com>
1950
1951         * config/alpha/alpha.c (alpha_links): Add 'target' field.
1952         (alpha_need_linkage): Handle aliases.  Return function symbol.
1953         (alpha_use_linkage): Rename 'linkage' argument to 'func'.
1954         Use ultimate alias target for the linkage name.
1955         * config/alpha/alpha.md (movmemdi): Use the symbol returned
1956         by alpha_need_linkage for the function symbol.
1957         (setmemdi): Likewise.
1958
1959 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
1960
1961         * config/alpha/alpha.c (TARGET_ASM_UNALIGNED_*_OP): Define if on VMS.
1962         * config/alpha/vms.h (OBJECT_FORMAT_ELF): Define.
1963         (ASM_WEAKEN_LABEL): Define.
1964         (CRT_CALL_STATIC_FUNCTION): Define.
1965         (STARTFILE_SPEC): Add crtbegin.o crtbeginS.o.
1966         (ENDFILE_SPEC): Define.
1967         (INIT_SECTION_ASM_OP): Define.
1968         * config/alpha/vms-dwarf2eh.asm (__EH_FRAME_BEGIN__): Remove.
1969         * config/alpha/t-vms (EXTRA_PARTS): Add crtbegin.o crtbeginS.o
1970         crtend.o crtendS.o.
1971         (MULTILIB_OSDIRNAMES): Define.
1972         (shlib_version): Define.
1973         (SHLIB_EXT): Define.
1974         (SHLIB_OBJS): Define.
1975         (SHLIB_NAME): Define.
1976         (SHLIB_MULTILIB): Define.
1977         (SHLIB_INSTALL): Define.
1978         (SHLIB_SYMVEC): Define.
1979         (SHLIB_SYMVECX2): Define.
1980         (SHLIB_LINK): Define.
1981
1982 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
1983
1984         * config/alpha/alpha.c (alpha_initialize_trampoline):
1985         Initialize VMS trampoline IAW ABI for bounded procedure calls.
1986         (alpha_start_function): Emit transfer address on nested functions
1987         for VMS trampoline call.
1988         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Remove vms_tramp.asm
1989         since no longer used.
1990         * config/alpha/vms-tramp.asm: Remove.
1991         * config/alpha/vms.h (TRAMPOLINE_TEMPLATE): Leave undefined
1992         since now only data initialized at runtime.
1993
1994 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
1995
1996         * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Define.
1997         (LINK_GCC_C_SEQUENCE_SPEC): Define.
1998         (MD_EXEC_PREFIX): Remove, no longer used.
1999         (MD_STARTFILE_PREFIX): Likewise.
2000         (INCLUDE_DEFAULTS): Likewise.
2001         * config/alpha/t-vms:
2002         (vms-dwarf2.o, vms-dwarf2eh.o): Use GCC_FOR_TARGET to compile.
2003
2004 2009-08-09  Richard Guenther  <rguenther@suse.de>
2005
2006         PR tree-optimization/41016
2007         * tree-ssa-ifcombine.c (get_name_for_bit_test): Fix tuplification bug.
2008         (operand_precision): Remove.
2009         (integral_operand_p): Likewise.
2010         (recognize_single_bit_test): Adjust.
2011
2012 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2013
2014         * c-common.c (c_fully_fold_internal): Issue a warning if a binary
2015         operation overflows.  Likewise non-cast unary arithmetic.
2016         If one arm of a conditional expression is always taken,
2017         inhibit evaluation warnings for the other arm.  Likewise inhibit
2018         evaluation warnings for the second && or || operand if the first
2019         operand is enough to determine the result.
2020         * c-typeck.c (build_conditional_expr): Apply the same inhibition
2021         rules here.
2022         (build_binary_op): Prevent duplicate evaluation warnings.
2023
2024 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2025
2026         * tree-out-of-ssa.c (insert_value_copy_on_edge): If the source
2027         and destination have different modes, Use promote_mode to
2028         determine the signedness of the conversion.  Assert that the
2029         promoted source mode matches the destination mode.  Don't pass
2030         the destination and destination mode to expand_expr if the source
2031         mode is different.  Simplify conversion logic.
2032
2033 2009-08-09  Ira Rosen  <irar@il.ibm.com>
2034
2035         PR tree-optimization/41008
2036         * tree-vect-loop.c (vect_is_simple_reduction): Get operands
2037         from condition only in case it's a comparison. Adjust checks.
2038
2039 2009-08-09  Bernd Schmidt  <bernd.schmidt@analog.com>
2040
2041         * tree-dfa.c (renumber_gimple_stmt_uids_in_blocks): New function.
2042         * tree-flow.h (renumber_gimple_stmt_uids_in_blocks): Declare it.
2043         * tree-ssa-loop-ivopts.c (comp_cost): Make COST an integer.
2044         (enum iv_position): Add IP_AFTER_USE and IP_BEFORE_USE.
2045         (dump_cand): Handle them.
2046         (struct iv_cand): New members COST_STEP and AINC_USE.
2047         (stmt_after_increment): Likewise.
2048         (stmt_after_inc_pos): Renamed from stmt_after_ip_original_pos.  All
2049         callers changed.  Use gimple_uid comparison instead of scanning.
2050         (add_candidate_1): When looking for identical candidates, take
2051         AINC_USE into account.  Set it for new candidates.
2052         (force_expr_to_var_cost): Cast target_spill_cost to int.
2053         (get_address_cost): New arguments STMT_AFTER_INC and MAY_AUTOINC.
2054         All callers changed.  Check for availability of autoinc addressing
2055         modes, both in general for a given mode, and in the specific use case.
2056         (get_computation_cost_at): New argument CAN_AUTOINC.  All callers
2057         changed.
2058         (get_computation_cost): Likewise.
2059         (autoinc_possible_for_pair, set_autoinc_for_original_candidates,
2060         add_autoinc_candidates): New static functions.
2061         (add_candidate): Call add_autoinc_candidates for candidates based on
2062         a USE_ADDRESS use.
2063         (find_iv_candidates): Call set_autoinc_for_original_candidates.
2064         (determine_use_iv_cost_address): If we have an autoinc candidate at
2065         the matching use, verify autoinc is possible and subtract the cost
2066         of the candidate's step from the cost.
2067         (determine_iv_cost): Record the cost of the increment in the COST_STEP
2068         member of the candidate.
2069         (tree_ssa_iv_optimize_loop): Swap the calls to determine_iv_costs and
2070         determine_use_iv_costs.  Call renumber_gimple_stmt_uids_in_blocks.
2071
2072 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
2073
2074         * config.build (ia64-hp-*vms*): New target.
2075         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
2076         with ia64-hp-*vms*.
2077         * config.gcc (ia64-hp-*vms*): New target.
2078         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
2079         with ia64-hp-*vms*.
2080         * config.host (ia64-hp-*vms*): New target.
2081         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
2082         with ia64-hp-*vms*.
2083
2084 2009-08-08  Richard Guenther  <rguenther@suse.de>
2085
2086         PR tree-optimization/40991
2087         * tree-ssa-pre.c (eliminate): Delay purging EH edges.
2088
2089 2009-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
2090
2091         * combine.c (gen_lowpart_or_truncate): Exclude CONST_INTs from
2092         mode check.  Do truncations in an integer mode.
2093         (force_to_mode): Handle subregs for all mode types.  Only do
2094         arithmetic simplifications on integer modes.
2095
2096 2009-08-07  Richard Guenther  <rguenther@suse.de>
2097
2098         PR tree-optimization/40999
2099         * tree-ssa-ccp.c (get_symbol_constant_value): Handle CONST_DECLs.
2100         (maybe_fold_reference): Lookup constant initializers.
2101         (fold_gimple_assign): Likewise.
2102
2103 2009-08-07  Richard Guenther  <rguenther@suse.de>
2104
2105         * tree-ssa.c (useless_type_conversion_p_1): Only for types
2106         that require structural equality defer to the langhook.
2107
2108 2009-08-07  Martin Jambor  <mjambor@suse.cz>
2109
2110         * ipa-prop.h (enum jump_func_type): New value IPA_JF_ANCESTOR, changed
2111         comments.
2112         (struct ipa_pass_through_data): New type.
2113         (struct ipa_ancestor_jf_data): New type.
2114         (union jump_func_value): Removed field formal_id, added fields
2115         pass_through and ancestor.
2116         (struct ipa_param_call_note): Changed type of formal_id to int from
2117         unsigned.
2118         * ipa-prop.c (ipa_print_node_jump_functions): Print pass through with
2119         operations jump functions and ancestor jump functions.
2120         (compute_complex_pass_through): New function.
2121         (compute_scalar_jump_functions): Call compute_complex_pass_through,
2122         reflect changes in the jump function strucutre.
2123         (update_jump_functions_after_inlining): Ignore complex pass-through
2124         and ancestor jump functions.
2125         * ipa-cp.c (ipcp_lattice_from_jfunc): Added support for ancestor and
2126         polynomial pass-through with operation jump functions.
2127
2128 2009-08-07  Jakub Jelinek  <jakub@redhat.com>
2129
2130         * dwarf2out.c (output_fde): When doing hot/cold partitioning, use
2131         fde->dw_fde_begin as begin label instead of hot/cold label.
2132         Use LLSDAC label instead of LLSDA for second section lsda.
2133         (dwarf2out_do_cfi_startproc): Add SECOND argument.  Use LLSDAC
2134         label instead of LLSDA if it is true.
2135         (dwarf2out_begin_prologue, dwarf2out_switch_text_section): Adjust
2136         callers.
2137         * except.c (add_call_site, dw2_size_of_call_site_table): Add
2138         SECTION argument.  Use it as index into crtl->eh.call_site_record
2139         array.
2140         (dw2_output_call_site_table): Likewise.  Add CS_FORMAT argument,
2141         use it to determine how to print table entries instead of using
2142         #ifdef HAVE_AS_LEB128.  For SECTION > 0 use hot resp. cold
2143         label instead of normal begin label as base.
2144         (sjlj_assign_call_site_values): Adjust add_call_site caller.
2145         (convert_to_eh_region_ranges): When doing hot/cold partitioning,
2146         ensure no EH range spans between sections and that landing pads
2147         are always in the corresponding section.
2148         (sjlj_size_of_call_site_table, sjlj_output_call_site_table): Adjust
2149         for crtl->eh.call_site_record being an array rather than scalar.
2150         (output_one_function_exception_table): New function, copied
2151         from output_function_exception_table.  Adjust
2152         dw2_size_of_call_site_table, dw2_output_call_site_table
2153         callers.  For SECOND section use *C suffixed labels.
2154         (output_function_exception_table): Call
2155         output_one_function_exception_table and, when doing hot/cold
2156         partitioning, also another time for the second section.
2157         * opts.c: Include except.h.
2158         (decode_options): Allow -freorder-blocks-and-partition with
2159         exceptions, unless SJLJ or TARGET_UNWIND_INFO.
2160         * Makefile.in (opts.o): Depend on $(EXCEPT_H).
2161         * function.h (struct rtl_eh): Change call_site_record from
2162         scalar into array of 2 elements.
2163
2164 2009-08-07  Martin Jambor  <mjambor@suse.cz>
2165
2166         * ipa-prop.c (count_formal_params_1): New function.
2167         (ipa_get_vector_of_formal_parms): New function.
2168         (get_vector_of_formal_parm_types): New function.
2169         (ipa_modify_formal_parameters): New function.
2170         (ipa_modify_call_arguments): New function.
2171         (index_in_adjustments_multiple_times_p): New function.
2172         (ipa_combine_adjustments): New function.
2173         (ipa_dump_param_adjustments): New function.
2174         * ipa-prop.h (struct ipa_parm_adjustment): New type.
2175         (ipa_get_vector_of_formal_parms): Declare.
2176         (ipa_modify_formal_parameters): Declare.
2177         (ipa_modify_call_arguments): Declare.
2178         (ipa_combine_adjustments): Declare.
2179         (ipa_dump_param_adjustments): Declare.
2180         (build_ref_for_offset): Declare.
2181         * Makefile.in (tree-sra.o): Add ipa-prop.h to dependencies.
2182         * tree-sra.c: Include ipa-prop.c.
2183         (build_ref_for_offset): Make public.
2184
2185 2009-08-06  Neil Vachharajani  <nvachhar@gmail.com>
2186
2187         * value-prof.c (init_pid_map): Replace xmalloc with XCNEWVEC.
2188
2189 2009-08-06  Thomas Schwinge  <tschwinge@gnu.org>
2190
2191         * gcc/doc/extend.texi (__builtin_extract_return_address)
2192         (__builtin_frob_return_address): Document.
2193
2194 2009-08-06  Paul Brook  <paul@codesourcery.com>
2195
2196         * config/arm/lib1funcs.asm (ARM_DIV_BODY): Add Thumb-2 implementation.
2197         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Only use Thumb-1
2198         implementation on ARMv6-M.
2199
2200 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
2201
2202         * doc/extend.texi (pcs): Document new attribute for ARM.
2203
2204 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
2205
2206         * arm.c (pcs_attribute_args): Comment out unsupported attribute
2207         variants.
2208
2209 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
2210
2211         * arm.c (arm_handle_pcs_attribute): Pass the entire name object to
2212         warning ().
2213
2214 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
2215
2216         * arm.c (arm_handle_pcs_attribute): Use %qE in warning.
2217
2218 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
2219
2220         Merge ARM/hard_vfp_branch to trunk.
2221
2222         2009-08-04  Richard Earnshaw  <rearnsha@arm.com>
2223
2224         * arm.c (libcall_eq): New function.
2225         (libcall_hash): New function.
2226         (add_libcall): New function.
2227         (arm_libcall_uses_aapcs_base): New function.
2228         (arm_libcall_value): Use arm_libcall_uses_aapcs_base to check for
2229         libcalls using the base PCS.
2230         (arm_init_cumulative_args): Likewise.
2231
2232         2009-07-20  Joseph Myers  <joseph@codesourcery.com>
2233
2234         * config/arm/arm.c (arm_libcall_value, arm_init_cumulative_args):
2235         Use base ABI for conversion libfuncs between HFmode and SFmode.
2236
2237         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
2238
2239         * config/arm/arm.c (aapcs_vfp_sub_candidate): Use V2SImode and
2240         V4SImode as representatives of all 64-bit and 128-bit vector
2241         types.  Allow vector types without vector modes.
2242         (aapcs_vfp_is_call_or_return_candidate): Handle vector types
2243         without vector modes like BLKmode.
2244         (aapcs_vfp_allocate): Handle TImode for non-TARGET_NEON like
2245         BLKmode.  Avoid unsupported vector modes or TImode moves for
2246         non-TARGET_NEON.
2247         (aapcs_vfp_allocate_return_reg): Likewise.
2248         (arm_vector_mode_supported_p): Only support V2SImode, V4HImode and
2249         V8QImode if TARGET_NEON || TARGET_IWMMXT.
2250
2251         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
2252
2253         * config/arm/arm.c (arm_handle_pcs_attribute): New.
2254         (arm_get_pcs_model): Pass attribute arguments to
2255         arm_pcs_from_attribute.
2256         (arm_init_cumulative_args): Use base AAPCS for conversions from
2257         floating-point types to DImode.
2258         (arm_attribute_table): Add pcs attribute.
2259         (arm_handle_pcs_attribute): New.
2260         * config/arm/bpabi.h (DECLARE_LIBRARY_RENAMES): When renaming
2261         conversions from floating-point types to DImode, also declare them
2262         to use base AAPCS and declare functions they call to use base
2263         AAPCS and their RTABI names.
2264
2265         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
2266
2267         * doc/invoke.texi (-mfloat-abi=@var{name}): Remove statement about
2268         -mfloat-abi=hard not being supported for VFP.
2269
2270         2009-05-11  Kazu Hirata  <kazu@codesourcery.com>
2271
2272         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Pass a libcall
2273         SYMBOL_REF to hard_libcall_value.
2274
2275         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
2276             Richard Earnshaw  <rearnsha@arm.com>
2277
2278         * config/arm/arm.c (aapcs_layout_arg): Once a co-processor argument
2279         has been put on the stack, all remaining co-processory arguments for
2280         that co-processor also go on the stack.
2281
2282         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
2283
2284         * config/arm/arm.c (arm_return_in_memory): Handle returning
2285         vectors of suitable size in registers also for AAPCS case.
2286
2287         2009-01-13  Richard Earnshaw <rearnsha@arm.com>
2288
2289         * doc/tm.texi (TARGET_LIBCALL_VALUE): Add missing end statement.
2290
2291         2008-12-09  Richard Earnshaw <rearnsha@arm.com>
2292
2293         ARM Hard-VFP calling convention
2294         * target-def.h (TARGET_LIBCALL_VALUE): New hook.
2295         * target.h (gcc_target): Add libcall_value to table of call hooks.
2296         * targhooks.h (default_libcall_value): Default implementation.
2297         * targhooks.c (default_libcall_value): Likewise.
2298         * doc/tm.texi (TARGET_LIBCALL_VALUE): Document it.
2299         * optabs.c (expand_unop): Use it.
2300         * expr.h (hard_libcall_value): Pass the function RTX through.
2301         * calls.c (emit_library_call_value_1): Update call to
2302         hard_libcall_value.
2303         * explow.c (hard_libcall_value): Use new target hook.
2304         * testsuite/lib/target-supports.exp
2305         (check_effective_target_arm_hard_vfp_ok): New hook.
2306         (check_effective_target_arm_neon_ok): Improve test for neon
2307         availability.
2308         * testsuite/gcc.target/arm/eabi1.c: Only run test in base variant.
2309         * config/arm/arm.c: Include cgraph.h
2310         (TARGET_FUNCTION_VALUE): Override default hook.
2311         (arm_pcs_default): New variable.
2312         (arm_override_options): Don't fault hard calling convention with VFP.
2313         Add support for AAPCS variants.
2314         (arm_function_value): Make static.  Handle AAPCS variants.
2315         (arm_libcall_value): New function.
2316         (arm_apply_result_size): Handle VFP registers in results.
2317         (arm_return_in_memory): Rework all AAPCS variants; handle hard-vfp
2318         conventions.
2319         (pcs_attribute_args): New variable.
2320         (arm_pcs_from_attribute): New function.
2321         (arm_get_pcs_model): New function.
2322         (aapcs_vfp_cum_init): New function.
2323         (aapcs_vfp_sub_candidate): New function.
2324         (aapcs_vfp_is_return_candidate): New function.
2325         (aapcs_vfp_is_call_candidate): New function.
2326         (aapcs_vfp_allocate): New function.
2327         (aapcs_vfp_allocate_return_reg): New function.
2328         (aapcs_vfp_advance): New function.
2329         (aapcs_cp_arg_layout): New variable.
2330         (aapcs_select_call_coproc): New function.
2331         (aapcs_select_return_coproc): New function.
2332         (aapcs_allocate_return_reg): New function.
2333         (aapcs_libcall_value): New function.
2334         (aapcs_layout_arg): New function.
2335         (arm_init_cumulative_args): Initialize AAPCS args data.
2336         (arm_function_arg): Handle AAPCS variants using new interface.
2337         (arm_arg_parital_bytes): Likewise.
2338         (arm_function_arg_advance): New function.
2339         (arm_function_ok_for_sibcall): Ensure that sibling calls agree on
2340         calling conventions.
2341         (arm_setup_incoming_varargs): Handle new AAPCS args data.
2342         * arm.h (NUM_VFP_ARG_REGS): Define.
2343         (LIBCALL_VALUE): Update.
2344         (FUNCTION_VALUE): Delete.
2345         (FUNCTION_VALUE_REGNO_P): Add VFP regs.
2346         (arm_pcs): New enum.
2347         (CUMULATIVE_ARGS): New data to support AAPCS argument marshalling.
2348         (FUNCTION_ARG_ADVANCE): Call arm_function_arg_advance.
2349         (FUNCTION_ARG_REGNO_P): Add VFP regs.
2350         * arm-protos.h (arm_function_arg_advance): Add.
2351         (aapcs_libcall_value): Add.
2352         (arm_function_value): Delete.
2353
2354 2009-08-06  Uros Bizjak  <ubizjak@gmail.com>
2355             H.J. Lu  <hongjiu.lu@intel.com>
2356
2357         PR target/40957
2358         * config/i386/i386.c (standard_sse_mode_p): Remove.
2359         (standard_sse_constant_p): Return 2 for integer mode
2360         vector_all_ones_operand when SSE2 is enabled.
2361         (standard_sse_constant_opcode)<case 2>: Always return [v]pcmpeqd.
2362         (ix86_expand_vector_move): Do not check for negative values from
2363         standard_sse_constant_p.
2364
2365 2009-08-06  Richard Guenther  <rguenther@suse.de>
2366
2367         * tree-ssa.c (useless_type_conversion_p_1): Make function and
2368         array type comparisons frontend independent.
2369         * Makefile.in (tree-ssa.o): Add $(TARGET_H) dependency.
2370         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Always fill
2371         out array reference lower bound and element size operands.
2372         (ao_ref_init_from_vn_reference): Properly compute the offset
2373         for ARRAY_RANGE_REF.
2374         (vn_reference_fold_indirect): Fill out array reference lower
2375         bound and element size operands.
2376         * tree-ssa-pre.c (phi_translate_1): Fail if we have to translate
2377         a non gimple valued reference operand which can happen for
2378         array reference lower bound or element size.
2379         (create_component_ref_by_pieces_1): Properly generate the
2380         element size operand for array references.
2381
2382 2009-08-06  Richard Guenther  <rguenther@suse.de>
2383
2384         PR tree-optimization/40964
2385         * tree.c (iterative_hash_host_wide_int): Export.
2386         * tree.h (iterative_hash_host_wide_int): Declare.
2387         * tree-ssa-structalias.c (heapvar_map): New struct.
2388         (heapvar_map_eq): New function.
2389         (heapvar_map_hash): Likewise.
2390         (heapvar_lookup): Adjust.
2391         (heapvar_insert): Likewise.
2392         (make_constraint_from_heapvar): Allow multiple heap variables
2393         per decl at different offsets.
2394         (init_alias_heapvars): Adjust.
2395
2396 2009-08-04  David Daney  <ddaney@caviumnetworks.com>
2397
2398         * config/mips/mips.h (TARGET_SYNC_AFTER_SC): New macro.
2399         * mips_output_sync_loop (mips_output_sync_loop): Only emit
2400         trailing sync if TARGET_SYNC_AFTER_SC.
2401
2402 2009-08-05  David Daney  <ddaney@caviumnetworks.com>
2403
2404         * gcc/config/mips/sync.md (sync_compare_and_swap<mode>,
2405         compare_and_swap_12, sync_add<mode>, sync_<optab>_12,
2406         sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12,
2407         sync_old_nand_12, sync_new_nand_12, sync_sub<mode>,
2408         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
2409         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
2410         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
2411         sync_new_nand<mode>, sync_lock_test_and_set<mode>,
2412         test_and_set_12): Rewrite calls to mips_output_sync_loop.
2413         * gcc/config/mips/mips-protos.h (mips_output_sync_loop): Make
2414         the prototype declaration match the definition.
2415         * gcc/config/mips/mips.c (mips_output_sync_loop):  Emit sync
2416         instructions explicitly.  Add barrier_before and operands
2417         parameters.
2418         * gcc/config/mips/mips.h (MIPS_COMPARE_AND_SWAP,
2419         MIPS_COMPARE_AND_SWAP_12, MIPS_SYNC_OP, MIPS_SYNC_OP_12,
2420         MIPS_SYNC_OLD_OP_12, MIPS_SYNC_NEW_OP_12, MIPS_SYNC_OLD_OP,
2421         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
2422         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE,
2423         MIPS_SYNC_EXCHANGE_12): Remove sync instructions.
2424
2425 2009-08-05  Andrew Pinski  <pinskia@gmail.com>
2426
2427         * tree-ssa-alias.c: Fix intervals to use [) syntax.
2428
2429 2009-08-05  Uros Bizjak  <ubizjak@gmail.com>
2430             Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
2431
2432         PR target/40906
2433         * config/i386/i386.c (ix86_split_long_move): Fix push of multi-part
2434         source operand.
2435
2436 2009-08-05  Jakub Jelinek  <jakub@redhat.com>
2437
2438         PR rtl-optimization/40924
2439         * dse.c (canon_address): Before calling cselib_expand_value_rtx
2440         make sure canon_rtx (mem_address) isn't simpler than
2441         canon_rtx (expanded_mem_address).
2442
2443 2009-08-05  Li Feng  <nemokingdom@gmail.com>
2444
2445         * graphite-sese-to-poly.c (build_pbb_drs): Remove build alias set
2446         for each poly_bb_p.
2447         (build_scop_drs): Build alias set for each SCoP.
2448
2449 2009-08-04  Sandra Loosemore  <sandra@codesourcery.com>
2450
2451         * doc/invoke.texi (MIPS Options): Document new 1004K -march options.
2452         * config/mips/mips.c (mips_cpu_info_table): Add 1004K cores.
2453         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Add pattern for 1004K.
2454         (MIPS_ARCH_FLOAT_SPEC): Likewise.
2455         (BASE_DRIVER_SELF_SPECS): Likewise.
2456
2457 2009-08-04  Andrew Pinski  <pinskia@gmail.com>
2458
2459         * tree-ssa-alias.c: Fix some comment typos.
2460
2461 2009-08-04  Kaz Kojima  <kkojima@gcc.gnu.org>
2462
2463         * config/sh/linux-atomic.asm (ATOMIC_BOOL_COMPARE_AND_SWAP,
2464         ATOMIC_OP_AND_FETCH, ATOMIC_COMBOP_AND_FETCH): Define.
2465
2466 2009-08-03  Janis Johnson  <janis187@us.ibm.com>
2467
2468         PR c/39902
2469         * simplify-rtx.c (simplify_binary_operation_1): Disable
2470         simplifications for decimal float operations.
2471
2472 2009-08-03  Jakub Jelinek  <jakub@redhat.com>
2473
2474         PR middle-end/40943
2475         * tree-ssa.c (warn_uninitialized_var): Even on LHS warn for
2476         operand of INDIRECT_REF.
2477
2478 2009-08-03  Uros Bizjak  <ubizjak@gmail.com>
2479
2480         * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST
2481         constants referencing TLS symbols.
2482
2483 2009-08-03  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
2484
2485         * config/sh/linux-atomic.asm (ATOMIC_COMPARE_AND_SWAP): Rename
2486         __sync_compare_and_swap_* to __sync_val_compare_and_swap_*.
2487
2488 2009-08-03  Richard Guenther  <rguenther@suse.de>
2489
2490         * tree.c (make_vector_type): Build a main variant first,
2491         get the canonical one and then build the variant.
2492         * tree-ssa.c (useless_type_conversion_p_1): Handle
2493         fixed-point types.
2494         (useless_type_conversion_p): Conversions to pointers to
2495         incomplete record types are useless.
2496
2497 2009-08-03  Richard Guenther  <rguenther@suse.de>
2498
2499         * tree-cfg.c (pass_warn_unused_result): Mark name that no dump
2500         file will be created.
2501         * omp-low.c (pass_diagnose_omp_blocks): Likewise.
2502         * toplev.c (compile_file): Adjust comment.
2503
2504 2009-08-03  Kaz Kojima  <kkojima@gcc.gnu.org>
2505
2506         * config/sh/sh-protos.h (sh_promote_function_mode): Remove.
2507         * config/sh/sh.c (sh_promote_function_mode): Wrap long lines.
2508         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2509         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
2510         (sh_promote_function_mode): Fix typo.
2511
2512 2009-08-03  Andreas Krebbel  <krebbel1@de.ibm.com>
2513
2514         * explow.c (promote_mode): Mark TYPE and PUNSIGNEDP as possibly unused.
2515
2516 2009-08-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2517
2518         * pa.c (pa_promote_function_mode): Remove ATTRIBUTE_UNUSED from
2519         declaration arguments.
2520
2521 2009-08-02  Uros Bizjak  <ubizjak@gmail.com>
2522
2523         * config/i386/i386.c (ix86_expand_fp_compare): Use const0_rtx instead
2524         of GEN_INT (0x00) and const1_rtx instead of GEN_INT (0x01).
2525         (ix86_split_ashl): Ditto.
2526         (ix86_expand_vector_init_one_nonzero): Ditto.
2527         (ix86_expand_vector_set): Ditto.
2528         (ix86_expand_reduc_v4sf): Ditto.
2529
2530 2009-08-02  Paolo Bonzini  <bonzini@gnu.org>
2531
2532         * explow.c (promote_function_mode): Remove assert.
2533         * config/sh/sh.c (sh_promote_function_mode): Declare.
2534
2535 2009-08-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2536
2537         * config/pa/pa.c (pa_promote_function_mode): Declare.
2538         Change to static.  Fix promote_mode call.
2539
2540         * gthr-dce.h (CONST_CAST2): Define if not defined.
2541         (__gthread_setspecific): Use CONST_CAST2 to fix warning.
2542
2543         * config.gcc (hppa[12]*-*-hpux10*): Add stdint support.
2544
2545 2009-08-01  Paolo Bonzini  <bonzini@gnu.org>
2546
2547         * expr.c (store_constructor): Use promote_decl_mode.  Remove
2548         now write-only variable unsignedp.
2549         (expand_expr_real_1): Use promote_decl_mode.
2550         * expr.h (promote_function_mode, promote_decl_mode): New.
2551         (promote_mode): Remove last argument.
2552         * function.c (assign_temp): Drop last argument of promote_mode.
2553         (assign_parm_find_data_types): Use promote_function_mode.
2554         (assign_parm_setup_reg): Likewise.
2555         (expand_function_end): Use promote_function_mode.
2556         * calls.c (initialize_argument_information): Use promote_function_mode.
2557         (precompute_arguments): Use promote_mode instead of checking if
2558         only PROMOTE_FUNCTION_MODE is defined.
2559         (expand_call): When making sibcall decisions, use promote_function_mode.
2560         Below, remove an if for targetm.calls.promote_function_return and
2561         and use promote_function_mode.
2562         (emit_library_call_value_1): Use promote_function_mode, fix bug
2563         where promote_mode was passed FOR_CALL == 0 for a return value in an
2564         assertion.
2565         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
2566         * explow.c (promote_function_mode, promote_decl_mode): New.
2567         (promote_mode): Keep only the FOR_CALL == 0 case.
2568         * combine.c (setup_incoming_promotion): Remove test of
2569         promote_function_args.  Use promote_function_mode.
2570         * stmt.c (expand_value_return): Use promote_decl_mode.
2571         (expand_decl): Use promote_decl_mode.
2572
2573         * expr.c (store_constructor): Use promote_decl_mode.  Remove
2574         now write-only variable unsignedp.
2575         (expand_expr_real_1): Use promote_decl_mode.
2576         * expr.h (promote_function_mode, promote_decl_mode): New.
2577         (promote_mode): Remove last argument.
2578         * function.c (assign_temp): Drop last argument of promote_mode.
2579         (assign_parm_find_data_types): Use promote_function_mode.
2580         (assign_parm_setup_reg): Likewise.
2581         (expand_function_end): Use promote_function_mode.
2582         * calls.c (initialize_argument_information): Use promote_function_mode.
2583         (precompute_arguments): Use promote_mode instead of checking if
2584         only PROMOTE_FUNCTION_MODE is defined.
2585         (expand_call): When making sibcall decisions, use promote_function_mode.
2586         Below, remove an if for targetm.calls.promote_function_return and
2587         and use promote_function_mode.
2588         (emit_library_call_value_1): Use promote_function_mode, fix bug
2589         where promote_mode was passed FOR_CALL == 0 for a return value in an
2590         assertion.
2591         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
2592         * explow.c (promote_function_mode, promote_decl_mode): New.
2593         (promote_mode): Keep only the FOR_CALL == 0 case.
2594         * combine.c (setup_incoming_promotion): Remove test of
2595         promote_function_args.  Use promote_function_mode.
2596         * stmt.c (expand_value_return): Use promote_decl_mode.
2597         (expand_decl): Use promote_decl_mode.
2598
2599         * explow.c (promote_function_mode): Just call the target hook.
2600         * targhooks.c (default_promote_function_mode,
2601         default_promote_function_mode_always_promote): New.
2602         * targhooks.h (default_promote_function_mode,
2603         default_promote_function_mode_always_promote): Declare.
2604         * target.h (promote_function_args, promote_function_return): Remove.
2605         (promote_function_mode): New.
2606         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
2607         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2608         (TARGET_PROMOTE_FUNCTION_MODE): New.
2609         (TARGET_CALLS): Adjust.
2610         * system.h (TARGET_PROMOTE_FUNCTION_ARGS,
2611         TARGET_PROMOTE_FUNCTION_RETURN, PROMOTE_FUNCTION_MODE): Poison.
2612
2613         * config/s390/s390.h (PROMOTE_FUNCTION_MODE): Move...
2614         * config/s390/s390.c (s390_promote_function_mode): ... here,
2615         with pointer handling.
2616         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2617         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2618
2619         * config/sparc/sparc.h (PROMOTE_FUNCTION_MODE): Move...
2620         * config/sparc/sparc.c (sparc_promote_function_mode): ... here,
2621         with pointer handling.
2622         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2623         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2624
2625         * config/sh/sh-protos.h (sh_promote_function_mode): New.
2626         * config/sh/sh.c (sh_promote_function_mode): New.
2627         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2628         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2629
2630         * config/cris/cris.h (PROMOTE_FUNCTION_MODE): Move...
2631         * config/cris/cris.c (cris_promote_function_mode): ... here.
2632         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2633         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
2634
2635         * config/mmix/mmix.h (PROMOTE_FUNCTION_MODE): Move...
2636         * config/mmix/mmix.c (mmix_promote_function_mode): ... here.
2637         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2638         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
2639
2640         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Move...
2641         * config/arm/arm.c (arm_promote_function_mode): ... here, without
2642         complex type handling.
2643         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2644         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2645
2646         * config/pa/pa.c (pa_promote_function_mode): New.
2647         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2648         (TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2649
2650         * config/alpha/alpha.c (TARGET_PROMOTE_FUNCTION_ARGS,
2651         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2652         (TARGET_PROMOTE_FUNCTION_MODE): Define equivalently.
2653         * config/xtensa/xtensa.c: Likewise.
2654         * config/stormy16/stormy16.c: Likewise.
2655         * config/iq2000/iq2000.c: Likewise.
2656         * config/rs6000/rs6000.c: Likewise.
2657         * config/picochip/picochip.c: Likewise.
2658         * config/arc/arc.c: Likewise.
2659         * config/mcore/mcore.c: Likewise.
2660         * config/score/score.c: Likewise.
2661         * config/mips/mips.c: Likewise.
2662         * config/bfin/bfin.c: Likewise.
2663         * config/ia64/ia64.c: Likewise (disabled though).
2664
2665         * config/frv/frv.h: Remove pointless remark.
2666
2667         * doc/tm.texi (PROMOTE_FUNCTION_MODE,
2668         TARGET_PROMOTE_FUNCTION_ARGS,
2669         TARGET_PROMOTE_FUNCTION_RETURN): Consolidate into...
2670         (TARGET_PROMOTE_FUNCTION_MODE): ... this.
2671
2672 2009-08-01  Sebastian Pop  <sebastian.pop@amd.com>
2673
2674         * doc/invoke.texi (-fgraphite-force-parallel): Renamed
2675         -floop-parallelize-all.
2676         * toplev.c (process_options): Rename flag_graphite_force_parallel to
2677         flag_loop_parallelize_all.
2678         * tree-ssa-loop.c (gate_graphite_transforms): Same.
2679         * graphite.c (graphite_transform_loops): Same.
2680         * common.opt: Same.
2681         * graphite-poly.c (apply_poly_transforms): Same.
2682
2683 2009-07-31  Richard Earnshaw  <rearnsha@arm.com>
2684
2685         PR tree-optimization/40914
2686         * ipa-prop.c (ipa_get_ptr_load_param): New argument use_delta,
2687         if set, then check the delta field of the PMF record.
2688         (ipa_get_stmt_member_ptr_load_param): Propagate new param use_delta.
2689         (ipa_analyze_call_uses): Handle machines where the vbit for a PMF
2690         call is stored in the delta.
2691
2692 2009-07-31  Adam Nemet  <anemet@caviumnetworks.com>
2693
2694         * config/mips/mips.md (*clear_upper32_dext): New pattern.
2695
2696 2009-07-31  Uros Bizjak  <ubizjak@gmail.com>
2697
2698         * config/i386/bsd.h (ASM_BYTE): New define.
2699         * config/i386/darwin.h (ASM_BYTE): Rename from ASM_BYTE_OP.
2700         * config/i386/att.h (ASM_BYTE): New define. Use ASM_BYTE instead of
2701         .byte.  Use fputs or putc instead of fprintf where appropriate.
2702         * config/i386/i386-interix.h: Use ASM_BYTE instead of .byte.  Use
2703         fputs or putc instead of fprintf where appropriate.
2704         * config/i386/i386elf.h: Ditto.
2705         * config/i386/sysv4.h: Ditto.
2706
2707         * config/i386/i386.c (TARGET_ASM_BYTE_OP): New define.
2708         * config/i386/i386.md (x86_sahf_1): Use ASM_BYTE instead of .byte.
2709         (*tls_global_dynamic_64): Ditto.
2710
2711 2009-07-31  Christian Bruel  <christian.bruel@st.com>
2712
2713         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
2714
2715 2009-07-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2716
2717         * config/arm/arm.c (arm_arm_address_cost): Fix typo.
2718         Remove dead code for MINUS.
2719
2720 2009-07-31  Anthony Green  <green@moxielogic.com>
2721
2722         * config/moxie/moxie.c (moxie_expand_prologue): Use $r5 instead of
2723         $r12 in prologue.
2724         (moxie_expand_epilogue): Ditto for epilogue.
2725         (moxie_setup_incoming_varargs): ABI change.  Use 5 registers for
2726         incoming arguments.
2727         (moxie_function_arg): Ditto.
2728         (moxie_pass_by_reference): Ditto.
2729         (moxie_arg_partial_bytes): Ditto.
2730         * config/moxie/moxie.h (CALL_USED_REGISTERS): Ditto.
2731         (FUNCTION_ARG_ADVANCE) Ditto.
2732         (REG_PARM_STACK_SPACE) Ditto.
2733         (FUNCTION_ARG_REGNO_P) Dito.
2734
2735         * config.gcc: Add moxie linux config support.
2736         * gcc/config/moxie/uclinux.h: New file.
2737
2738 2009-07-31  DJ Delorie  <dj@redhat.com>
2739
2740         * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
2741         (UNSPECV_SP_SWITCH_E): New.
2742         (sp_switch_1): Change to an unspec.
2743         (sp_switch_2): Change to an unspec.  Don't use post-inc when we
2744         replace $r15.
2745         * config/sh/sh.c (sh_expand_prologue): Use the constant pool to
2746         reference the new stack's address
2747
2748 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2749
2750         * Makefile.in (OBJS-common): Added dependence on graphite-blocking.o,
2751         graphite-clast-to-gimple.o, graphite-dependences.o,
2752         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
2753         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o.
2754         (graphite-blocking.o,
2755         graphite-clast-to-gimple.o, graphite-dependences.o,
2756         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
2757         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o): New.
2758         * cfgloop.c (alloc_loop): Set loop->can_be_parallel to false.
2759         * cfgloop.h (struct loop): Add can_be_parallel field.
2760         * common.opt (fgraphite-identity): Moved up.
2761         (fgraphite-force-parallel): New flag.
2762         * graphite.c: Rewrite.
2763         * graphite.h: Rewrite.
2764         * passes.c (init_optimization_passes): Schedule a pass of DCE and LIM
2765         after Graphite.
2766         * toplev.c (graphite_out_file): New file descriptor.
2767         (graphite_in_file): New.
2768         (process_options): flag_graphite_force_parallel cannot be used without
2769         Graphite.
2770         * tree-ssa-loop.c: Include toplev.h.
2771         (gate_graphite_transforms): Enable flag_graphite for
2772         flag_graphite_force_parallel.
2773
2774 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2775
2776         * ChangeLog.graphite: New.
2777         * graphite-blocking.c: New.
2778         * graphite-clast-to-gimple.c: New.
2779         * graphite-clast-to-gimple.h: New.
2780         * graphite-dependences.c: New.
2781         * graphite-dependences.h: New.
2782         * graphite-interchange.c: New.
2783         * graphite-poly.c: New.
2784         * graphite-poly.h: New.
2785         * graphite-ppl.c: New.
2786         * graphite-ppl.h: New.
2787         * graphite-scop-detection.c: New.
2788         * graphite-scop-detection.h: New.
2789         * graphite-sese-to-poly.c: New.
2790         * graphite-sese-to-poly.h: New.
2791         * sese.c: New.
2792         * sese.h: New.
2793
2794 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2795
2796         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2797         * tree-chrec.h (evolution_function_right_is_integer_cst): Declared.
2798
2799 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2800
2801         * tree-chrec.c (operator_is_linear): Handle BIT_NOT_EXPR.
2802         (scev_is_linear_expression): Return false if the evolution is not
2803         affine multivariate.
2804
2805 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2806
2807         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2808         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2809
2810 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2811
2812         * tree-data-ref.c (debug_data_references): New.
2813         (debug_data_reference): New.
2814         * tree-data-ref.h (debug_data_references): Declared.
2815         (debug_data_reference): Declared.
2816
2817 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2818
2819         * tree-data-ref.c (stmt_simple_memref_p: Removed.
2820         * tree-data-ref.h (scop_p): Removed.
2821         (struct data_reference): Remove field scop.
2822         (DR_SCOP): Removed.
2823         (stmt_simple_memref_p): Removed.
2824
2825 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2826
2827         * cfgloop.h (create_empty_loop_on_edge): Pass an extra argument.
2828         * cfgloopmanip.c (create_empty_loop_on_edge): Leave the loop_latch
2829         basic block empty.
2830
2831 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2832
2833         * doc/invoke.texi (-fgraphite-force-parallel): Documented.
2834
2835 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2836
2837         * doc/invoke.texi (-fgraphite-identity): Documented.
2838
2839 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2840
2841         * tree-scalar-evolution.c: Fix comment.
2842         (instantiate_scev_1): Return unknow from scev instantiation if the
2843         result is not above instantiate_below.
2844
2845 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2846
2847         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2848         static anymore.  Instantiate the symbols that may have been introduced
2849         by chrec_apply.
2850         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2851         Declared.
2852
2853 2009-07-30  DJ Delorie  <dj@redhat.com>
2854
2855         * config/mep/mep.c (mep_asm_init_sections): Add section flags and
2856         .vliw directive to VLIW sections.
2857
2858 2009-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2859
2860         * Makefile.in (AUTOCONF, ACLOCAL, ACLOCAL_AMFLAGS, aclocal_deps):
2861         New variables.
2862         ($(srcdir)/configure, $(srcdir)/aclocal.m4): New rules.
2863         (AUTOHEADER): New variable.
2864         ($(srcdir)/cstamp-h.in): Use it.
2865
2866 2009-07-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
2867             Pat Haugen  <pthaugen@us.ibm.com>
2868             Revital Eres <ERES@il.ibm.com>
2869
2870         * config/rs6000/vector.md (VEC_F): Add VSX support.
2871         (VEC_A): Ditto.
2872         (VEC_N): Ditto.
2873         (mov<mode>): Ditto.
2874         (vector_load_<mode>): Ditto.
2875         (vector_store_<mode>): Ditto.
2876         (vector GPR move split): Ditto.
2877         (vec_reload_and_plus_<mptrsize>): Ditto.
2878         (vec_reload_and_reg_<mptrsize>): Ditto.
2879         (add<mode>3): Ditto.
2880         (sub<mode>3): Ditto.
2881         (mul<mode>3): Ditto.
2882         (neg<mode>2): Ditto.
2883         (abs<mode>2): Ditto.
2884         (smin<mode>3): Ditto.
2885         (smax<mode>3): Ditto.
2886         (vector_eq<mode>): Ditto.
2887         (vector_gt<mode>): Ditto.
2888         (vector_ge<mode>): Ditto.
2889         (vector_gtu<mode>): Ditto.
2890         (vector_select_<mode>_uns): Ditto.
2891         (vector_eq_<mode>_p): Ditto.
2892         (vector_gt_<mode>_p): Ditto.
2893         (vector_ge_<mode>_p): Ditto.
2894         (vector_gtu_<mode>_p): Ditto.
2895         (cr6_test_for_zero): Ditto.
2896         (cr6_test_for_zero_reverse): Ditto.
2897         (cr6_test_for_lt): Ditto.
2898         (cr6_test_for_lt_reverse): Ditto.
2899         (xor<mode>3): Ditto.
2900         (ior<mode>3): Ditto.
2901         (and<mode>3): Ditto.
2902         (one_cmpl<mode>2): Ditto.
2903         (nor<mode>2): Ditto.
2904         (andc<mode>2): Ditto.
2905         (float<VEC_int<mode>2): Ditto.
2906         (unsigned_float<VEC_int><mode>2): Ditto.
2907         (fix_trunc<mode><VEC_int>2): Ditto.
2908         (fixuns_trunc<mode><VEC_int>2): Ditto.
2909         (vec_init<mode>):
2910         (vec_set<mode>): Ditto.
2911         (vec_extract<mode>): Ditto.
2912         (vec_interleave_highv4sf): Ditto.
2913         (vec_interleave_lowv4sf): Ditto.
2914         (vec_realign_load_<mode>): Ditto.
2915         (vec_shl_<mode>): Ditto.
2916         (vec_shr_<mode>): Ditto.
2917         (div<mode>3): New patterns for VSX.
2918         (vec_interleave_highv2df): Ditto.
2919         (vec_interleave_lowv2df): Ditto.
2920         (vec_pack_trunc_v2df): Ditto.
2921         (vec_pack_sfix_trunc_v2df): Ditto.
2922         (vec_pack_ufix_trunc_v2df): Ditto.
2923         (vec_unpacks_hi_v4sf): Ditto.
2924         (vec_unpacks_lo_v4sf): Ditto.
2925         (vec_unpacks_float_hi_v4si): Ditto.
2926         (vec_unpacks_float_lo_v4si): Ditto.
2927         (vec_unpacku_float_hi_v4si): Ditto.
2928         (vec_unpacku_float_lo_v4si): Ditto.
2929         (movmisalign<mode>): Ditto.
2930         (vector_ceil<mode>2): New patterns for vectorizing math library.
2931         (vector_floor<mode>2): Ditto.
2932         (vector_btrunc<mode>2): Ditto.
2933         (vector_copysign<mode>3): Ditto.
2934
2935         * config/rs6000/predicates.md (easy_vector_constant_msb): New
2936         predicate for setting the high bit in each word, used for copysign.
2937
2938         * config/rs6000/ppc-asm.h (f19): Whitespace.
2939         (f32-f63): Define if VSX.
2940         (v0-v31): Define if Altivec.
2941         (vs0-vs63): Define if VSX.
2942
2943         * config/rs6000/t-rs6000 (MD_INCLUDES): Add power7.md and vsx.md.
2944
2945         * config/rs6000/power7.md: New file, provide tuning parameters for
2946         -mcpu=power7.
2947
2948         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Add VSX support.
2949         (rs6000_cpu_cpp_builtins): Ditto.
2950         (altivec_overloaded_builtins): Ditto.
2951         (altivec_resolve_overloaded_builtin): Ditto.
2952
2953         * config/rs6000/rs6000.opt (-mno-vectorize-builtins): Add new
2954         debug switch to disable vectorizing simple math builtin
2955         functions.
2956
2957         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2958         Vectorize simple math builtin functions.
2959         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
2960         hook to vectorize math builtins.
2961         (rs6000_override_options): Enable -mvsx on -mcpu=power7.
2962         (rs6000_builtin_conversion): Add VSX/power7 support.
2963         (rs6000_builtin_vec_perm): Ditto.
2964         (vsplits_constant): Add support for loading up a vector constant
2965         with just the high bit set in each part.
2966         (rs6000_expand_vector_init): Add VSX/power7 support.
2967         (rs6000_expand_vector_set): Ditto.
2968         (rs6000_expand_vector_extract): Ditto.
2969         (rs6000_emit_move): Ditto.
2970         (bdesc_3arg): Ditto.
2971         (bdesc_2arg): Ditto.
2972         (bdesc_1arg): Ditto.
2973         (rs6000_expand_ternop_builtin): Ditto.
2974         (altivec_expand_builtin): Ditto.
2975         (rs6000_expand_unop_builtin): Ditto.
2976         (rs6000_init_builtins): Ditto.
2977         (altivec_init_builtins): Ditto.
2978         (builtin_function_type): Ditto.
2979         (rs6000_common_init_builtins): Ditto.
2980         (rs6000_handle_altivec_attribute); Ditto.
2981         (rs6000_mangle_type): Ditto.
2982         (rs6000_vector_mode_supported_p): Ditto.
2983         (rs6000_mode_dependent_address): Altivec addresses with AND -16
2984         are mode dependent.
2985
2986         * config/rs6000/vsx.md: New file for VSX support.
2987
2988         * config/rs6000/rs6000.h (EASY_VECTOR_MSB): New macro for
2989         identifing values with just the most significant bit set.
2990         (enum rs6000_builtins): Add builtins for VSX.  Add simple math
2991         vectorized builtins.
2992
2993         * config/rs6000/altivec.md (UNSPEC_VRFIP): Delete.
2994         (UNSPEC_VRFIM): Delete.
2995         (splitter for loading up vector with most significant bit): New
2996         splitter for vectorizing copysign.
2997         (altivec_vrfiz): Rename from altivec_fturncv4sf2.  Add support for
2998         vectorizing simple math functions.
2999         (altivec_vrfip): Add support for vectorizing simple math functions.
3000         (altivec_vrfim): Ditto.
3001         (altivec_copysign_v4sf3): New insn for Altivec copysign support.
3002
3003         * config/rs6000/rs6000.md (UNSPEC_BPERM): New constant.
3004         (power7.md, vsx.md): Include for power7 support.
3005         (copysigndf3): Use VSX instructions if -mvsx.
3006         (negdf2_fpr): Ditto.
3007         (absdf2_fpr): Ditto.
3008         (nabsdf2_fpr): Ditto.
3009         (adddf3_fpr): Ditto.
3010         (subdf3_fpr): Ditto.
3011         (muldf3_fpr): Ditto.
3012         (divdf3_fpr): Ditto.
3013         (fix_truncdfdi2_fpr): Ditto.
3014         (cmpdf_internal1): Ditto.
3015         (fred, fred_fpr): Convert into expander/insn to add VSX support.
3016         (btruncdf2, btruncdf2_fpr): Ditto.
3017         (ceildf2, ceildf2_fpr): Ditto.
3018         (floordf2, floordf2_fpr): Ditto.
3019         (floatdidf2, floatdidf2_fpr): Ditto.
3020         (fmadddf4_fpr): Name insn.  Use VSX instructions if -mvsx.
3021         (fmsubdf4_fpr): Ditto.
3022         (fnmadddf4_fpr_1): Ditto.
3023         (fnmadddf4_fpr_2): Ditto.
3024         (fnmsubdf4_fpr_1): Ditto.
3025         (fnmsubdf4_fpr_2): Ditto.
3026         (fixuns_truncdfdi2): Add expander for VSX support.
3027         (fix_truncdfdi2): Ditto.
3028         (fix_truncdfsi2): Ditto.
3029         (ftruncdf2): Ditto.
3030         (btruncsf2): Whitespace.
3031         (movdf_hardfloat32): Add support for VSX registers.
3032         (movdf_softfloat32): Ditto.
3033         (movdf_hardfloat64): Ditto.
3034         (movdf_hardfloat64_mfpgpr): Ditto.
3035         (movdf_softfloat64): Ditto.
3036         (movti splitters): Add check for vector registers supporting
3037         TImode in the future.
3038         (bpermd): Add power7 bpermd instruction.
3039
3040         * config/rs6000/altivec.h (vec_div): Define if VSX.
3041         (vec_mul): Ditto.
3042         (vec_msub): Ditto.
3043         (vec_nmadd): Ditto.
3044         (vec_nearbyint): Ditto.
3045         (vec_rint): Ditto.
3046         (vec_sqrt): Ditto.
3047         (all predicates): Use the generic builtin function, and not the V4SF
3048         specific function so that the predicates will work with VSX's V2DF.
3049         (vec_all_*): Ditto.
3050         (vec_any_*): Ditto.
3051
3052         * doc/extend.texi (PowerPC Altivec/VSX Built-in Functions):
3053         Document new VSX functions and types.
3054
3055         * doc/invoke.texi (PowerPc options): Document -mpopcntd, -mvsx
3056         switches.
3057
3058         * doc/md.texi (PowerPC constraints): Document "wd", "wf", "ws",
3059         "wa", and "j" constraints.  Modify "v" to talk about Altivec
3060         instead of just vector.
3061
3062 2009-07-30  Andrew MacLeod  <amacleod@redhat.com>
3063
3064         PR debug/26475
3065         * tree-into-ssa.c (insert_phi_nodes_for, rewrite_add_phi_arguments): Set
3066         location for phi arguments.
3067         (rewrite_update_phi_arguments): Find locations for reaching defs.
3068         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
3069         Add location to add_phi_arg calls.
3070         * tree-loop-districbution.c (update_phis_for_loop_copy): Add locations.
3071         * tree-ssa-loop-manip.c (create_iv, add_exit_phis_edge,
3072         split_loop_exit_edge, tree_transform_and_unroll_loop): Add locations.
3073         * tree-tailcall.c (add_successor_phi_arg, eliminate_tail_call,
3074         create_tailcall_accumulator, tree_optimize_tail_calls_1): Add locations.
3075         * tree.h (struct phi_arg_d): Add location_t to PHI arguments.
3076         * tree-phinodes.c (make_phi_node): Initialize location.
3077         (resize_phi_node): Initialize location to UNKNOWN_LOCATION.
3078         (add_phi_arg): Add location parameter.
3079         (remove_phi_arg_num): Move location when moving phi argument.
3080         * omp-low.c (expand_parallel_call, expand_omp_for_static_chunk): Set
3081         location.
3082         * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop,
3083         slpeel_update_phi_nodes_for_guard1,
3084         slpeel_update_phi_nodes_for_guard2,
3085         slpeel_tree_duplicate_loop_to_edge_cfg, set_prologue_iterations,
3086         vect_loop_versioning): Set locations.
3087         * tree-parloops.c (create_phi_for_local_result,
3088         transform_to_exit_first_loop, create_parallel_loop): Add locations.
3089         * gimple-pretty-print.c (dump_gimple_phi): Dump lineno's if present.
3090         * tree-vect-loop.c (get_initial_def_for_induction,
3091         vect_create_epilog_for_reduction, vect_finalize_reduction): Add
3092         locations.
3093         * tree-flow-inline.h (gimple_phi_arg_location): New.  Return locus.
3094         (gimple_phi_arg_location_from_edge): New.  Return locus from an edge.
3095         (gimple_phi_arg_set_location): New.  Set locus.
3096         (gimple_phi_arg_has_location): New.  Check for locus.
3097         (redirect_edge_var_map_location): New.  Return locus from var_map.
3098         * tree-vect-data-refs.c (vect_setup_realignment): Set location.
3099         * tree-ssa-phiopt.c (conditional_replacement): Set locus when
3100         combining PHI arguments.
3101         (cond_store_replacement): Set location.
3102         * cfgexpand.c (gimple_assign_rhs_to_tree): Transfer locus if possible.
3103         * grpahite.c (add_loop_exit_phis, add_guard_exit_phis,
3104         scop_add_exit_phis_edge): Add locations.
3105         * tree-cfgcleanup.c (remove_forwarder_block,
3106         remove_forwarder_block_with_phi): Add locations.
3107         * tree-ssa-pre.c (insert_into_preds_of_block): Add locations.
3108         * tree-predcom.c (initialize_root_vars, initialize_root_vars_lm): Add
3109         locations.
3110         * tree-ssa-dce.c (forward_edge_to_pdom): Add locations.
3111         * tree-ssa.c (redirect_edge_var_map_add, ssa_redirect_edge,
3112         flush_pending_stmts): Add source location.
3113         * lambda-code.c (perfect_nestify): Maintain location stack with argument
3114         stack to preserve locations.
3115         * tree-vect-stmts.c (vectorizable_load): Add location.
3116         * tree-inline.c (copy_phis_for_bb): Copy locus.
3117         (setup_one_parameter): Add call locus to inlined parameter stmts.
3118         (initialize_inlined_parameters): Pass in call location as parameter
3119         assignment locus.
3120         (tree_function_versioning): Pass location to setup_one_parameter.
3121         * tree-ssa-phiprop.c (phiprop_insert_phi): Set locations.
3122         * tree-outof-ssa.c (struct _elim_graph): Add source_location vecs for
3123         copy and edge lists.
3124         (insert_partition_copy_on_edge, insert_value_copy_on_edge,
3125         insert_rtx_to_part_on_edge, insert_part_to_rtx_on_edge): Provide a
3126         locus parameter and override the stmt default if provided.
3127         (new_elim_graph, clear_elim_graph, delete_elim_graph,
3128         elim_graph_add_edge, elim_graph_remove_succ_edge,
3129         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED, eliminate_build,
3130         elim_forward, elim_unvisited_predecessor, elim_backward, elim_create,
3131         eliminate_phi):  Add locus info in elimination graph for each edge and
3132         value copy.
3133         (insert_backedge_copies): Copy locus if present.
3134         * tree-flow.h (struct _edge_var_map): Add locus field.
3135         * tree-switch_conversions.c (fix_phi_nodes): Add locations.
3136         * tree-cfg.c (reinstall_phi_args, gimple_make_forwarder_block,
3137         add_phi_args_after_copy_edge, gimple_lv_adjust_loop_header_phi): Add
3138         locations.
3139         * ipa-struct-reorg.c (make_edge_and_fix_phis_of_dest): Add locations.
3140
3141 2009-07-30  Martin Jambor  <mjambor@suse.cz>
3142
3143         PR tree-optimization/40570
3144         * ipa-inline.c (cgraph_decide_inlining): Watch out for dead single
3145         use inlining loops.
3146
3147 2009-07-30  Razya Ladelsky <razya@il.ibm.com>
3148
3149         * ssa-loop-manip.c: Include langhooks.h.
3150         (rewrite_phi_with_iv): New.
3151         (rewrite_all_phi_nodes_with_iv): New.
3152         (canonicalize_loop_ivs): Move here from tree-parloops.c.
3153         Remove reduction_list argument. Use rewrite_all_phi_nodes_with_iv.
3154         * tree-parloops.c (loop_parallel_p): Move out all conditions
3155         except dependency check.
3156         (canonicalize_loop_ivs): Move to tree-ssa-loop-manip.c.
3157         (gen_parallel_loop): Call canonicalize_loop_ivs without
3158         reduction_list argument.
3159         (build_new_reduction): New.
3160         (gather_scalar_reductions): New.
3161         (try_get_loop_niter): New.
3162         (try_create_reduction_list): New.
3163         (parallleize_loops): Change the parallel conditions check.
3164         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
3165         * Makefile.in (tree-ssa-loop-manip.o): Add langhooks.h dependency.
3166
3167 2009-07-30  Dave Korn  <dave.korn.cygwin@gmail.com>
3168
3169         * opt-functions.awk (opt_args): Allow argument to be enclosed in
3170         curly braces.
3171         * doc/options.texi (Option properties):  Mention new quoting syntax.
3172
3173 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
3174
3175         * config/alpha/alpha.c (alpha_start_function):
3176         Handle VMS_DEBUG_MAIN_POINTER
3177         * config/alpha/vms.h (VMS_DEBUG_MAIN_POINTER): Define new macro.
3178         * doc/invoke.texi: Document -mdebug-main switch.
3179
3180 2009-07-29  Richard Henderson  <rth@redhat.com>
3181
3182         * cgraph.c (cgraph_set_call_stmt_including_clones): Tidy.
3183         (cgraph_create_edge_including_clones): Likewise.
3184         * tree-inline.c (copy_bb): Operate on the correct edges
3185         when updating the callgraph.
3186
3187 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
3188
3189         * config/alpha/vms-cc.c: Deleted.
3190         * config/alpha/vms-ld.c: Deleted.
3191         * config/alpha/t-vms64: Moved to config/vms
3192         * config/alpha/vms-crt0-64.c: Moved to config/vms
3193         * config/alpha/vms-crt0.c: Moved to config/vms
3194         * config/alpha/vms-psxcrt0-64.c: Moved to config/vms
3195         * config/alpha/vms-psxcrt0.c: Moved to config/vms
3196         * config/alpha/xm-vms.h: Moved to config/vms
3197         * config/alpha/x-vms: Moved to config/vms
3198         * config/alpha/t-vms (vcrt0.o, pcrt0.o): Move rules to new file
3199         config/vms/t-vms.
3200         * config/vms/t-vms: Moved here from config/alpha. Alpha specific
3201         parts removed. (STMP_FIXPROTO, STMP_FIXINC, LIMITS_H_TEST): Set.
3202         (version): Set.
3203         * config/vms/t-vms64: Moved here from config/alpha
3204         * config/vms/vms-crt0-64.c: Moved here from config/alpha.
3205         (argc,argv,envp): Enforce 32bit malloc'ing.
3206         * config/vms/vms-psxcrt0-64.c: Likewise.
3207         * config/vms/vms-crt0.c: Moved here from config/alpha.
3208         * config/vms/vms-psxcrt0.c: Likewise.
3209         * config/vms/vms-crtl-64.h: New file.
3210         * config/vms/vms-crtl.h: New file.
3211         * config/vms/vms.opt: New file.
3212         * config/vms/xm-vms64.h: New file.
3213         * config/vms/xm-vms.h: Moved here from config/alpha.
3214         (STANARD_EXEC_PREFIX, STANDARD_STARTFILE_PREFIX, STANDARD_INCLUDE_DIR):
3215         Set.
3216         * config/vms/x-vms: Moved here from config/alpha.
3217         (version, VMS_EXTRA_PARTS): Moved to t-vms.
3218         (vms-ld.o, vms-cc.o): Removed.
3219         (LN, LN_S, USE_COLLECT2, POD2MAN): Set.
3220
3221 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
3222
3223         * dwarf2out.c (add_name_and_src_coords_attributes): Push on the
3224         correct stack (obvious VMS fix).
3225
3226 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
3227
3228         * dwarf2out.c (output_file_names): Output VMS style file name, size,
3229         date, version info if VMS_DEBUGGING_INFO defined.
3230         * vmsdgbout.c (vms_file_stats_name): New functon. VMS style file name,
3231         size, date calculating code moved here.
3232
3233 2009-07-29  Paul Brook  <paul@codesourcery.com>
3234
3235         * config/arm/lib1funcs.asm (clear_cache): Use ARM_FUNC_START and
3236         do_push/do_pop.
3237
3238 2009-07-29  Uros Bizjak  <ubizjak@gmail.com>
3239
3240         PR target/40577
3241         * config/alpha/alpha.c (alpha_expand_unaligned_store): Convert src
3242         to DImode when generating insq_le insn.
3243
3244 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
3245
3246         * dwarf2out.c (DWARF2_INDIRECT_STRING_SUPPORT_MISSING_ON_TARGET):
3247         New macro set for VMS_DEBUGGGING_INFO.
3248         (AT_string_form): Use it.
3249
3250 2009-07-28  DJ Delorie  <dj@redhat.com>
3251
3252         * config/mep/mep.c (vtext_section): New.
3253         (vftext_section): New.
3254         (ftext_section): New.
3255         (mep_select_section): Add support for functions.
3256         (mep_unique_section): Likewise.
3257         (mep_asm_init_sections): Likewise.
3258         (mep_encode_section_info): Remove it from here.
3259
3260         * config/mep/mep.h (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
3261
3262 2009-07-28  Paolo Bonzini  <bonzinI@gnu.org>
3263
3264         * tree.h (TREE_DEPRECATED): Document it is used for types too.
3265         (TYPE_VECTOR_OPAQUE): Use default_def_flag
3266
3267 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
3268
3269         * dwarf2out.c (output_file_names): Test new macro
3270         DWARF2_DIR_SHOULD_END_WITH_SEPARATOR.
3271         (add_comp_dir_attribute): Likewise.
3272
3273 2009-07-28  Kai Tietz  <kai.tietz@onevision.com>
3274
3275         * config/i386/mingw-w64.h (LINK_SPEC): Add
3276         separating space between commands.
3277
3278 2009-07-28  Jan Hubicka  <jh@suse.cz>
3279
3280         PR tree-optimization/40759
3281         * tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses
3282         for renaming.
3283
3284 2009-07-27  DJ Delorie  <dj@redhat.com>
3285
3286         * config/mep/mep.c (mep_expand_builtin_saveregs): Make sure 64-bit
3287         types are dword-aligned.
3288         (mep_expand_va_start): Likewise.
3289
3290 2009-07-27  Olivier Hainque  <hainque@adacore.com>
3291             Douglas B Rupp  <rupp@gnat.com>
3292
3293         * convert.c (convert_to_pointer): Don't assume the target
3294         pointer type is POINTER_SIZE long. Fetch its precision instead.
3295
3296 2009-07-27  Douglas B Rupp  <rupp@gnat.com>
3297
3298         * system.h (fopen): Undefine if macro.
3299
3300 2009-07-27  Jakub Jelinek  <jakub@redhat.com>
3301
3302         * dwarf2out.c (output_cfi_p): Removed.
3303         (output_cfis): New function.
3304         (output_fde): New function, split from output_call_frame_info.
3305         (output_call_frame_info): Use it.
3306         (dwarf2out_switch_text_section): Use output_cfis.
3307
3308 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
3309
3310         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Error build when
3311         TARGET_BI_ARCH is specified without enabling SJLJ.
3312         * config/i386/mingw32.h (MD_UNWIND_SUPPORT): Define MD_UNWIND_SUPPORT,
3313         if TARGET_64BIT and TARGET_BI_ARCH aren't defined.
3314
3315 2009-07-26  Mikael Pettersson <mikpe@it.uu.se>
3316
3317         * arm.md (negdi2): Use DImode if forcing a value into a register.
3318
3319 2009-07-26  Ira Rosen  <irar@il.ibm.com>
3320
3321         PR tree-optimization/40801
3322         * tree-vect-stmts.c (vectorizable_call): Get previous copy
3323         of vector operand from the previous copy of vector statement.
3324         Pass the correct definition type value to
3325         vect_get_vec_def_for_stmt_copy().
3326
3327 2009-07-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3328
3329         * collect2.c (scan_libraries): Use CONST_CAST2 to perform char ** to
3330         const char ** conversion.
3331
3332 2009-07-25 David Daney <ddaney@caviumnetworks.com>
3333
3334         * system.h (gcc_assert): Invoke __builtin_unreachable() instead of
3335         fancy_abort() if !ENABLE_ASSERT_CHECKING.
3336         (gcc_unreachable): Invoke __builtin_unreachable() if
3337         !ENABLE_ASSERT_CHECKING.
3338
3339 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
3340
3341         PR rtl-optimization/40445
3342         * emit-rtl.c (next_nonnote_insn_bb): New function.
3343         * rtl.h (next_nonnote_insn_bb): Declare new function.
3344         * cfgcleanup.c (try_optimize_cfg): Don't remove an empty block
3345         with no successors that is the successor of the ENTRY_BLOCK.
3346         Continue from the top after removing an empty fallthrough block.
3347         * cfgrtl.c (get_last_bb_insn): Call next_nonnote_insn_bb instead
3348         of next_nonnote_insn.
3349
3350 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
3351
3352         * cfgcleanup.c (old_insns_match_p): Handle the case of empty blocks.
3353
3354 2009-07-25  Martin Jambor  <mjambor@suse.cz>
3355
3356         * c-common.c (c_common_attribute_table): New element for noclone.
3357         (handle_noclone_attribute): New function. Forward-declare.
3358         * tree-inline.c (tree_versionable_function_p): Check for noclone
3359         attribute.
3360         * doc/extend.texi (Labels as Values): Document need for noclone.
3361         (Function Attributes): Document noclone attribute.
3362
3363 2009-07-25  Jakub Jelinek  <jakub@redhat.com>
3364
3365         PR rtl-optimization/34999
3366         * dwarf2out.c (struct dw_fde_struct): Add dw_fde_switch_cfi
3367         and dw_fde_switched_cold_to_hot fields.
3368         (output_cfi_p): New function.
3369         (output_call_frame_info): If fde->dw_fde_switched_sections,
3370         output 2 FDEs instead of one with corrupted header.
3371         (dwarf2out_do_cfi_startproc): New function.
3372         (dwarf2out_begin_prologue): Use it.  Initialize fde->dw_fde_switch_cfi
3373         and fde->dw_fde_switched_cold_to_hot.
3374         (dwarf2out_switch_text_section): Compute
3375         fde->dw_fde_switched_cold_to_hot.  Switch to new text section here.
3376         If dwarf2out_do_cfi_asm, emit .cfi_endproc before it and call
3377         dwarf2out_do_cfi_startproc plus emit again currently active CFI insns.
3378         Otherwise, compute fde->dw_fde_switch_cfi.
3379
3380 2009-07-24  Cary Coutant  <ccoutant@google.com>
3381
3382         * tree-cfg.c (assign_discriminator): Add explicit parentheses.
3383
3384 2009-07-24  Cary Coutant  <ccoutant@google.com>
3385
3386         * cfghooks.c (split_block): Copy discriminator to new block.
3387         * tree-cfg.c (assign_discriminator): Check location of last
3388         instruction in block as well as first.
3389
3390 2009-07-24  Uros Bizjak  <ubizjak@gmail.com>
3391
3392         * config/i386/linux.c: Use fputs or putc instead of fprintf
3393         where appropriate.
3394         * config/i386/gas.h: Ditto.
3395         * config/i386/x86-64.h: Ditto.
3396         * config/i386/att.h: Ditto.
3397
3398 2009-07-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3399
3400         * expmed.c (emit_store_flag): Use a recursive call to optimize the
3401         xor case.
3402
3403 2009-07-24  Martin Jambor  <mjambor@suse.cz>
3404
3405         * ipa-prop.h (struct ipa_node_params): New flag node_enqued.
3406         (ipa_push_func_to_list_1): Declare.
3407         (ipa_push_func_to_list): New function.
3408
3409         * ipa-prop.c (ipa_push_func_to_list_1): New function.
3410         (ipa_init_func_list): Call ipa_push_func_to_list_1.
3411         (ipa_push_func_to_list): Removed.
3412         (ipa_pop_func_from_list): Clear node_enqueued flag.
3413
3414 2009-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3415
3416         * config/s390/s390.c (override_options): Default
3417         max-unrolled-insns to 100 for z10 tuning.
3418
3419 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3420
3421         * Makefile.in (TREE_DATA_REF_H, tree-vrp.o, tree-cfg.o, tree-if-conv.o
3422         tree-ssa-loop.o, tree-ssa-loop-niter.o, tree-ssa-loop-ivcanon.o,
3423         tree-ssa-loop-prefetch.o, tree-predcom.o, tree-affine.o,
3424         tree-scalar-evolution.o, tree-data-ref.o, tree-vect-loop.o,
3425         tree-vect-data-refs.o, tree-loop-linear.o, tree-loop-distribution.o
3426         tree-parloops.o, tree-pretty-printer.o, fold-const.o, tree-ssa-dce.o,
3427         lambda-code.o, params.o): Cleanup use of SCEV_H and TREE_DATA_REF_H.
3428
3429 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
3430
3431         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR): Remove and
3432         use default set in mingw32.h header.
3433         * config/i386/mingw32.h (STANDARD_INCLUDE_DIR): Use for 32-bit and
3434         64-bit /mingw/include path.
3435         (STANDARD_STARTFILE_PREFIX_1): Use for 32-bit and 64-bit /mingw/lib
3436         path.
3437
3438 2009-07-23  Neil Vachharajani  <nvachhar@google.com>
3439
3440         PR rtl-optimization/40209
3441         * loop-iv.c (iv_analysis_loop_init): Call df_note_add_problem.
3442
3443 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
3444
3445         * config/i386/i386.c: Use ASM_LONG instead of .long.  Concatenate
3446         ASM_LONG, LPREFIX, MCOUNT_NAME and PROFILE_COUNT_REGISTER strings
3447         with the rest of string where appropriate.  Use fputs or putc
3448         instead of fprintf where appropriate.
3449
3450 2009-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
3451             Pat Haugen  <pthaugen@us.ibm.com>
3452             Revital Eres <ERES@il.ibm.com>
3453
3454         * config/rs6000/vector.md: New file.  Move most of the vector
3455         expander support here from altivec.md to allow for the VSX vector
3456         unit in the future.  Add support for secondary_reload patterns.
3457         Rewrite the patterns for vector comparison, and vector comparison
3458         predicate instructions so that the RTL expresses the desired
3459         behavior, instead of using unspec.
3460
3461         * config/rs6000/constraints.md ("f" constraint): Use
3462         rs6000_constraints to hold the precalculated register class.
3463         ("d" constraint): Ditto.
3464         ("wd" constraint): New constraint for VSX.
3465         ("wf" constraint): Ditto.
3466         ("ws" constraint): Ditto.
3467         ("wa" constraint): Ditto.
3468         ("wZ" constraint): Ditto.
3469         ("j" constraint): Ditto.
3470
3471         * config/rs6000/predicates.md (vsx_register_operand): New
3472         predicate for VSX.
3473         (vfloat_operand): New predicate for vector.md.
3474         (vint_operand): Ditto.
3475         (vlogical_operand): Ditto.
3476         (easy_fp_constant): If VSX, 0.0 is an easy constant.
3477         (easy_vector_constant): Add VSX support.
3478         (altivec_indexed_or_indirect_operand): New predicate for
3479         recognizing Altivec style memory references with AND -16.
3480
3481         * config/rs6000/rs6000.c (rs6000_vector_reload): New static global
3482         for vector secondary reload support.
3483         (rs6000_vector_reg_class): Delete, replacing it with
3484         rs6000_constraints.
3485         (rs6000_vsx_reg_class): Ditto.
3486         (rs6000_constraints): New array to hold the register classes of
3487         each of the register constraints that can vary at runtime.
3488         (builtin_mode_to_type): New static array for builtin function type
3489         creation.
3490         (builtin_hash_table): New static hash table for builtin function
3491         type creation.
3492         (TARGET_SECONDARY_RELOAD): Define target hook.
3493         (TARGET_IRA_COVER_CLASSES): Ditto.
3494         (rs6000_hard_regno_nregs_internal): If -mvsx, floating point
3495         registers are 128 bits if VSX memory reference instructions are used.
3496         (rs6000_hard_regno_mode_ok): For VSX, only check if the VSX memory
3497         unit is being used.
3498         (rs6000_debug_vector_unit): Move into rs6000_debug_reg_global.
3499         (rs6000_debug_reg_global): Move -mdebug=reg statements here.
3500         Print several of the scheduling related parameters.
3501         (rs6000_init_hard_regno_mode_ok): Switch to putting constraints in
3502         rs6000_constraints instead of rs6000_vector_reg_class.  Move
3503         -mdebug=reg code to rs6000_debug_reg_global.  Add support for
3504         -mvsx-align-128 debug switch.  Drop testing float_p if VSX or
3505         Altivec.  Add VSX support.  Setup for secondary reload support on
3506         Altivec/VSX registers.
3507         (rs6000_override_options): Make power7 set the scheduling groups
3508         like the power5.  Add support for new debug switches to override
3509         the scheduling defaults.  Temporarily disable -mcpu=power7 from
3510         setting -mvsx.  Add support for debug switches -malways-hint,
3511         -msched-groups, and -malign-branch-targets.
3512         (rs6000_buitlin_conversion): Add support for returning unsigned
3513         vector conversion functions to fix regressions due to stricter
3514         type checking.
3515         (rs6000_builtin_mul_widen_even): Ditto.
3516         (rs6000_builtin_mul_widen_odd): Ditto.
3517         (rs6000_builtin_vec_perm): Ditto.
3518         (rs6000_vec_const_move): On VSX, use xxlxor to clear register.
3519         (rs6000_expand_vector_init): Initial VSX support for using xxlxor
3520         to zero a register.
3521         (rs6000_emit_move): Fixup invalid const symbol_ref+reg that is
3522         generated upstream.
3523         (bdesc_3arg): Add builtins for unsigned types.  Add builtins for
3524         VSX types for bit operations.  Changes to accomidate vector.md.
3525         (bdesc_2arg): Ditto.
3526         (bdesc_1arg): Ditto.
3527         (struct builtin_description_predicates): Rewrite predicate
3528         handling so that RTL describes the operation, instead of passing
3529         the instruction to be used as a string argument.
3530         (bdesc_altivec_preds): Ditto.
3531         (altivec_expand_predicate_builtin): Ditto.
3532         (altivec_expand_builtin): Ditto.
3533         (rs6000_expand_ternop_builtin): Use a switch instead of an if
3534         statement for vsldoi support.
3535         (altivec_expand_ld_builtin): Change to use new names from vector.md.
3536         (altivec_expand_st_builtin): Ditto.
3537         (paired_expand_builtin): Whitespace changes.
3538         (rs6000_init_builtins): Add V2DF/V2DI types.  Initialize the
3539         builtin_mode_to_type table for secondary reload.  Call
3540         builtin_function_type to build random builtin functions.
3541         (altivec_init_builtins): Change to use builtin_function_type to
3542         create builtin function types dynamically as we need them.
3543         (builtin_hash_function): New support for hashing the tree types
3544         for builtin function as we need it, rather than trying to build
3545         all of the trees that we need.  Add initial preliminary VSX support.
3546         (builtin_function_type): Ditto.
3547         (builtin_function_eq): Ditto.
3548         (builtin_hash_struct): Ditto.
3549         (rs6000_init_builtins): Ditto.
3550         (rs6000_common_init_builtins): Ditto.
3551         (altivec_init_builtins): Ditto.
3552         (rs6000_common_init_builtins): Ditto.
3553         (enum reload_reg_type): New enum for simplifing reg classes.
3554         (rs6000_reload_register_type): Simplify register classes into GPR,
3555         Vector, and other registers.  Altivec and VSX addresses in reload.
3556         (rs6000_secondary_reload_inner): Ditto.
3557         (rs6000_ira_cover_classes): New target hook, that returns the
3558         appropriate cover classes, based on -mvsx being used or not.
3559         (rs6000_secondary_reload_class): Add VSX support.
3560         (get_vec_cmp_insn): Delete, rewrite vector conditionals.
3561         (get_vsel_insn): Ditto.
3562         (rs6000_emit_vector_compare): Rewrite vector conditional support
3563         so that where we can, we use RTL operators, instead of blindly use
3564         UNSPEC.
3565         (rs6000_emit_vector_select): Ditto.
3566         (rs6000_emit_vector_cond_expr): Ditto.
3567         (rs6000_emit_minmax): Directly generate min/max under altivec, vsx.
3568         (create_TOC_reference): Add -mdebug=addr support.
3569         (emit_frame_save): VSX loads/stores need register indexed addressing.
3570
3571         * config/rs6000/rs6000.md: Include vector.md.
3572
3573         * config/rs6000/t-rs6000 (MD_INCLUDES): Add vector.md.
3574
3575         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3576         support for V2DI, V2DF in logical, permute, select operations.
3577
3578         * config/rs6000/rs6000.opt (-mvsx-scalar-double): Add new debug
3579         switch for vsx/power7.
3580         (-mvsx-scalar-memory): Ditto.
3581         (-mvsx-align-128): Ditto.
3582         (-mallow-movmisalign): Ditto.
3583         (-mallow-df-permute): Ditto.
3584         (-msched-groups): Ditto.
3585         (-malways-hint): Ditto.
3586         (-malign-branch-targets): Ditto.
3587
3588         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Delete, use target
3589         hook instead.
3590         (IRA_COVER_CLASSES_PRE_VSX): Cover classes if not -mvsx.
3591         (IRA_COVER_CLASSES_VSX): Cover classes if -mvsx.
3592         (rs6000_vector_reg_class): Delete.
3593         (rs6000_vsx_reg_class): Ditto.
3594         (enum rs6000_reg_class_enum): New enum for the constraints that
3595         vary based on target switches.
3596         (rs6000_constraints): New array to hold the register class for all
3597         of the register constraints that vary based on the switches used.
3598         (ALTIVEC_BUILTIN_*_UNS): Add unsigned builtin functions.
3599         (enum rs6000_builtins): Add unsigned varients for the builtin
3600         declarations returned by target hooks for expanding multiplies,
3601         select, and permute operations.  Add VSX builtins.
3602         (enum rs6000_builtin_type_index): Add entries for VSX.
3603         (V2DI_type_node): Ditto.
3604         (V2DF_type_node): Ditto.
3605         (unsigned_V2DI_type_node): Ditto.
3606         (bool_long_type_node): Ditto.
3607         (intDI_type_internal_node): Ditto.
3608         (uintDI_type_internal_node): Ditto.
3609         (double_type_internal_node): Ditto.
3610
3611         * config/rs6000/altivec.md (whole file): Move all expanders to
3612         vector.md from altivec.md.  Rename insn matching functions to be
3613         altivec_foo.
3614         (UNSPEC_VCMP*): Delete, rewrite vector comparisons.
3615         (altivec_vcmp*): Ditto.
3616         (UNSPEC_VPERM_UNS): New, add for unsigned types using vperm.
3617         (VM): New iterator for moves that includes the VSX types.
3618         (altivec_vperm_<mode>): Add VSX types.  Add unsigned types.
3619         (altivec_vperm_<mode>_uns): New, for unsigned types.
3620         (altivec_vsel_*): Rewrite vector comparisons and predicate builtins.
3621         (altivec_eq<mode>): Ditto.
3622         (altivec_gt<mode>): Ditto.
3623         (altivec_gtu<mode>): Ditto.
3624         (altivec_eqv4sf): Ditto.
3625         (altivec_gev4sf): Ditto.
3626         (altivec_gtv4sf): Ditto.
3627         (altivec_vcmpbfp_p): Ditto.
3628
3629 2009-07-23  Richard Earnshaw  <rearnsha@arm.com>
3630
3631         * arm.md (split for ior/xor with shift and zero-extend): Cast op3 to
3632         unsigned HWI.
3633
3634 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
3635
3636         PR target/40832
3637         * config/i386/i386.c (output_387_ffreep): Rewrite to use
3638         ASM_SHORT instead of .word.
3639         * config/i386/i386.md (*tls_global_dynamic_64): Use ASM_SHORT
3640         instead of .word in asm template.
3641
3642 2009-07-22  Vladimir Makarov  <vmakarov@redhat.com>
3643
3644         PR target/37488
3645         * ira-lives.c (bb_has_abnormal_call_pred): New function.
3646         (process_bb_node_lives): Use it.
3647
3648         * ira.c (setup_cover_and_important_classes): Don't setup
3649         ira_important_class_nums.  Add cover classes to the end of
3650         important classes.
3651         (cover_class_order, comp_reg_classes_func, reorder_important_classes):
3652         New.
3653         (find_reg_class_closure): Use reorder_important_classes.
3654
3655         * config/i386/i386.h (IRA_COVER_CLASSES): Remove.
3656
3657         * config/i386/i386.c (i386_ira_cover_classes): New function.
3658         (TARGET_IRA_COVER_CLASSES): Redefine.
3659
3660         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Add a comment about
3661         importance of order of cover classes in the array.
3662
3663 2009-07-22  Diego Novillo  <dnovillo@google.com>
3664
3665         * tree-pass.h (TDF_EH): Define.
3666         * gimple-pretty-print.c (dump_gimple_stmt): If FLAGS
3667         contains TDF_EH, print the EH region number holding GS.
3668         * tree-dump.c (dump_options): Add "eh".
3669         * doc/invoke.texi: Document it.
3670
3671 2009-07-22  Doug Kwan  <dougkwan@google.com>
3672
3673         * config/arm/arm.md (subdi3) Copy non-reg values to DImode registers.
3674
3675 2009-07-22  Michael Matz  <matz@suse.de>
3676
3677         PR tree-optimization/35229
3678         PR tree-optimization/39300
3679
3680         * tree-ssa-pre.c (includes): Include tree-scalar-evolution.h.
3681         (inhibit_phi_insertion): New function.
3682         (insert_into_preds_of_block): Call it for REFERENCEs.
3683         (init_pre): Initialize and finalize scalar evolutions.
3684         * Makefile.in (tree-ssa-pre.o): Depend on tree-scalar-evolution.h .
3685
3686 2009-07-22  Uros Bizjak  <ubizjak@gmail.com>
3687
3688         * config/i386/predicates.md (zero_extended_scalar_load_operand):
3689         Use CONST_VECTOR_NUNITS to determine number of elements.
3690
3691 2009-07-22  Andreas Krebbel  <krebbel1@de.ibm.com>
3692
3693         * config/s390/constraints.md (ZQ, ZR, ZS, ZT): New constraints.
3694         (U, W): Constraints are now deprecated and will be removed if we
3695         run out of letters.
3696         * config/s390/s390.md (U, W): Replaced with ZQZR, ZSZT throughout
3697         the file.
3698         ("prefetch"): Add the stcmh instruction for prefetching.
3699         * config/s390/s390.c (s390_symref_operand_p): Function moved. No
3700         changes.
3701         (s390_short_displacement): Return always true if compiling for
3702         machines not providing the long displacement facility.
3703         (s390_mem_constraint): Support the new constraint letter Z.
3704         (s390_check_qrst_address): New function.
3705
3706 2009-07-21  DJ Delorie  <dj@redhat.com>
3707
3708         * config/mep/mep.c (mep_legitimize_arg): Leave control registers
3709         alone too.
3710
3711 2009-07-21  Jason Merrill  <jason@redhat.com>
3712
3713         * c-common.c (max_tinst_depth): Increase default to 1024.
3714
3715 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
3716
3717         * config/i386/sse.md (vec_unpacku_float_hi_v4si): New expander.
3718         (vec_unpacku_float_lo_v4si): Ditto.
3719
3720 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
3721
3722         PR target/40811
3723         * config/i386/sse.md (sse2_cvtudq2ps): New expander.
3724         (enum ix86_builtins): Add IX86_BUILTIN_CVTUDQ2PS.
3725         (builtin_description): Add __builtin_ia32_cvtudq2ps.
3726         (ix86_vectorize_builtin_conversion): Handle IX86_BUILTIN_CVTUDQ2PS.
3727
3728 2009-07-21  Jakub Jelinek  <jakub@redhat.com>
3729
3730         PR tree-optimization/40813
3731         * tree-inline.c (copy_bb): Regimplify RHS after last stmt, not before
3732         it.
3733
3734 2009-07-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3735
3736         * config/sh/sh.c (sh_gimplify_va_arg_expr): Wrap the result
3737         with a NOP_EXPR if needed.
3738
3739 2009-07-21  Paul Brook <paul@codesourcery.com>
3740
3741         * tree-vectorizer.c (increase_alignment): Handle nested arrays.
3742         Terminate debug dump with newline.
3743
3744 2009-07-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3745
3746         * pa.c (compute_zdepwi_operands): Limit deposit length to 32 - lsb.
3747         Cast "1" to unsigned HOST_WIDE_INT.
3748         (compute_zdepdi_operands): Limit maximum length to 64 bits.  Limit
3749         deposit length to the maximum length - lsb.  Extend length if
3750         HOST_BITS_PER_WIDE_INT is 32.
3751
3752 2009-07-20  Olatunji Ruwase <tjruwase@google.com>
3753
3754         * cgraph.h (constant_pool_htab): New function.
3755         (constant_descriptor_tree): Move from varasm.c.
3756         * varasm.c (constant_pool_htab): New function.
3757         (constant_descriptor_tree): Move to cgraph.h.
3758
3759 2009-07-20  Olatunji Ruwase  <tjruwase@google.com>
3760
3761         * toplev.c: Invoke FINISH_UNIT callbacks before call to finalize().
3762
3763 2009-07-20  Shujing Zhao  <pearly.zhao@oracle.com>
3764
3765         * Makefile.in (TREE_INLINE_H, tree-inline.o, cgraph.o): Remove
3766         $(VARRAY_H).
3767
3768 2009-07-20  Xinliang David Li  <davidxl@google.com>
3769
3770         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add length check.
3771
3772 2009-07-20  Adam Nemet  <anemet@caviumnetworks.com>
3773
3774         * config/mips/mips.md (move_type): Add arith.
3775         (type): Handle arith.
3776         (zero_extendsidi2): Rename this into ...
3777         (*zero_extendsidi2): ... this.  Don't match if ISA_HAS_EXT_INS.
3778         (zero_extendsidi2): New expander.
3779         (*zero_extendsidi2_dext): New pattern.
3780
3781 2009-07-20  Nick Clifton  <nickc@redhat.com>
3782
3783         * config.gcc (mips64-*-*): Add definition of tm_defines in order
3784         to set MIPS_ABI_DEFAULT.
3785         * config/mips/vr.h (MIPS_ABI_DEFAULT): Remove definition.
3786
3787 2009-07-20  Jakub Jelinek  <jakub@redhat.com>
3788
3789         * tree-object-size.c (addr_object_size): Handle unions with
3790         array in it as last field of structs in __bos (, 1) as __bos (, 0).
3791
3792         PR tree-optimization/40792
3793         * tree.c (build_function_type_skip_args): Remove bogus assert.
3794
3795 2009-07-20  Jan Hubicka  <jh@suse.cz>
3796             Martin Jambor  <mjambor@suse.cz>
3797
3798         * cgraph.h (combined_args_to_skip): New field.
3799         * cgraph.c (cgraph_create_virtual_clone): Properly handle
3800         combined_args_to_skip and args_to_skip.
3801         * tree-inline.c (update_clone_info): New function.
3802         (tree_function_versioning): Call update_clone_info.
3803         * cgraphunit.c: (cgraph_materialize_clone): Dump materialized
3804         functions.
3805         (cgraph_materialize_all_clones): More extensive dumping, working
3806         with combined_args_to_skip rather than args_to_skip.
3807
3808 2009-07-20  Ira Rosen  <irar@il.ibm.com>
3809
3810         * tree-vectorizer.h (vectorizable_condition): Add parameters.
3811         * tree-vect-loop.c (vect_is_simple_reduction): Support COND_EXPR.
3812         (get_initial_def_for_reduction): Likewise.
3813         (vectorizable_reduction): Skip the check of first operand in case
3814         of COND_EXPR. Add check that it is outer loop vectorization if
3815         nested cycle was detected. Call vectorizable_condition() for
3816         COND_EXPR. If reduction epilogue cannot be created do not fail for
3817         nested cycles (if it is not double reduction). Assert that there
3818         is only one type in the loop in case of COND_EXPR. Call
3819         vectorizable_condition() to vectorize COND_EXPR.
3820         * tree-vect-stmts.c (vectorizable_condition): Update comment.
3821         Add parameters. Allow nested cycles if called from
3822         vectorizable_reduction(). Use reduction vector variable if provided.
3823         (vect_analyze_stmt): Call vectorizable_reduction() before
3824         vectorizable_condition().
3825         (vect_transform_stmt): Update call to vectorizable_condition().
3826
3827 2009-07-20  Christian Bruel  <christian.bruel@st.com>
3828
3829         * config/sh/sh.opt (-mfmovd): Resurrect and document.
3830         * doc/invoke.texi (-mfmovd): Likewise.
3831         * config/sh/sh.h (TARGET_FMOVD, MASK_FMOVD): Remove default setting.
3832
3833 2009-07-20  Jan Hubicka  <jh@suse.cz>
3834
3835         * tree-ssa-dce.c (remove_dead_phis): Only look for abnormal PHIs
3836         when handling SSA name.
3837
3838 2009-07-19  Jan Hubicka  <jh@suse.cz>
3839
3840         PR tree-optimization/40676
3841         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do renaming on all
3842         virtual PHIs in empty BBs.
3843
3844 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
3845
3846         * combine.c (make_compound_operation) <SUBREG>: If force_to_mode
3847         re-expanded the compound use gen_lowpart instead to convert to the
3848         desired mode.
3849
3850 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
3851
3852         * combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and
3853         OUTER_CONST arguments.
3854         <LSHIFTRT>: Use them to allow widening if the bits shifted in from
3855         the new wider mode will be masked off.
3856         (simplify_shift_const_1): Adjust calls to try_widen_shift_mode.
3857
3858 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
3859
3860         * combine.c (try_widen_shift_mode) <LSHIFTRT>: Allow widening if the
3861         high-order bits are zero.
3862
3863 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
3864
3865         * combine.c (simplify_shift_const_1): Split code to determine
3866         shift_mode into ...
3867         (try_widen_shift_mode): ... here.  Allow widening for ASHIFTRT if the
3868         new bits shifted in are identical to the old sign bit.
3869
3870 2009-07-18  Richard Guenther  <rguenther@suse.de>
3871
3872         PR c/40787
3873         * gimplify.c (gimplify_call_expr): Reject code using results from
3874         functions returning void.
3875
3876 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
3877
3878         * doc/md.texi: Document the new PowerPC "es" constraint.
3879         Document that "m" can include automodified addresses on this target,
3880         and explain how %U must be used.  Extend the "Q" and "Z" documentation
3881         to suggest "es" as well as "m".
3882         * config/rs6000/constraints.md (es): New memory constraint.
3883         (Q, Z): Update strings to match new documentation.
3884
3885 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
3886
3887         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Allow any
3888         offset from virtual_stack_vars_rtx and arg_pointer_rtx.
3889         * config/rs6000/predicates.md (volatile_mem_operand): Use
3890         offsettable_nonstrict_memref_p.
3891         * config/rs6000/rs6000.md (*floatsidf2_internal): Remove split check.
3892         (*floatunssidf2_internal): Likewise.
3893         (*fix_truncdfsi2_internal): Likewise.
3894         (*fix_trunctfsi2_internal): Likewise.
3895
3896 2009-07-17  Anatoly Sokolov  <aesok@post.ru>
3897
3898         * config/avr/avr-devices.c (avr_mcu_t): Add atmega8u2, atmega16u2 and
3899         atmega32u2 devices.
3900         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3901
3902 2009-07-17  Richard Guenther  <rguenther@suse.de>
3903
3904         PR c/40401
3905         * tree-pass.h (pass_diagnose_omp_blocks): Declare.
3906         (pass_warn_unused_result): Likewise.
3907         (TODO_set_props): Remove.
3908         * omp-low.c (diagnose_omp_structured_block_errors): Change to
3909         run as a pass.
3910         (pass_diagnose_omp_blocks): Define.
3911         * c-decl.c (pop_file_scope): Do not finalize the CU here.
3912         (c_gimple_diagnostics_recursively): Remove.
3913         (finish_function): Do not call it.
3914         (c_write_global_declarations): Continue after errors.
3915         Finalize the CU here.
3916         * c-gimplify.c (c_genericize): Do not gimplify here.
3917         * c-common.c (c_warn_unused_result): Move ...
3918         * tree-cfg.c (do_warn_unused_result): ... here.
3919         (run_warn_unused_result): New function.
3920         (gate_warn_unused_result): New function.
3921         (pass_warn_unused_result): New pass.
3922         * c-common.h (c_warn_unused_result): Remove.
3923         * flags.h (flag_warn_unused_result): Declare.
3924         * c-opts.c (c_common_init_options): Enable flag_warn_unused_result.
3925         * opts.c (flag_warn_unused_result): Initialize to false.
3926         * toplev.c (compile_file): Add comment.
3927         * omp-low.c (create_omp_child_function): Do not register
3928         the function with the frontend.
3929         (diagnose_omp_structured_block_errors): Prepare to be
3930         called as optimization pass.
3931         (gate_diagnose_omp_blocks): New function.
3932         (pass_diagnose_omp_blocks): New pass.
3933         * cgraph.h (cgraph_optimize): Remove.
3934         (cgraph_analyze_function): Likewise.
3935         * cgraph.c (cgraph_add_new_function): Gimplify C++ thunks.
3936         * cgraphunit.c (cgraph_lower_function): Lower nested functions
3937         before their parents here.
3938         (cgraph_finalize_function): Not here.
3939         (cgraph_analyze_function): Gimplify functions here.
3940         (cgraph_finalize_compilation_unit): Continue after errors.
3941         Optimize the callgraph from here.
3942         (cgraph_optimize): Make static.
3943         * langhooks.c (write_global_declarations): Finalize the CU.
3944         * gimplify.c (gimplify_asm_expr): Do not emit ASMs with errors.
3945         (gimplify_function_tree): Assert we gimplify only once.
3946         Set PROP_gimple_any property.
3947         * tree-nested.c (gimplify_all_functions): New function.
3948         (lower_nested_functions): Gimplify all nested functions.
3949         * gimple.h (diagnose_omp_structured_block_errors): Remove.
3950         * passes.c (init_optimization_passes): Add pass_warn_unused_result
3951         and pass_diagnose_omp_blocks after gimplification.  Do not
3952         set TODO_set_props on all_lowering_passes.
3953         (execute_one_pass): Do not handle TODO_set_props.
3954         * Makefile.in (cgraphunit.o): Add $(TREE_DUMP_H) dependency.
3955         (gimplify.o): Add tree-pass.h dependency.
3956         * tree-inline.c (copy_statement_list): Properly copy STATEMENT_LIST.
3957         (copy_tree_body_r): Properly handle TARGET_EXPR like SAVE_EXPR.
3958         (unsave_r): Likewise.
3959         * c-omp.c (c_finish_omp_atomic): Set DECL_CONTEXT on the
3960         temporary variable.
3961
3962 2009-07-17  Sandra Loosemore  <sandra@codesourcery.com>
3963
3964         * doc/service.texi (Service): Restore previously removed link,
3965         which isn't broken after all.
3966
3967 2009-07-17  Richard Guenther  <rguenther@suse.de>
3968
3969         PR tree-optimization/40321
3970         * tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
3971         PHI nodes to the maximal set.
3972         (make_values_for_phi): Add PHI arguments to the maximal set.
3973         (execute_pre): Dump PHI_GEN and the maximal set.
3974
3975 2009-07-17  Jakub Jelinek  <jakub@redhat.com>
3976
3977         PR c++/40780
3978         * gimplify.c (gimplify_conversion): Don't change non-conversions into
3979         VIEW_CONVERT_EXPR.
3980
3981 2009-07-16  Sandra Loosemore  <sandra@codesourcery.com>
3982
3983         * doc/extend.texi (Nested Functions): Replace broken link with
3984         textual reference.
3985         * doc/service.texi (Service): Remove broken link.
3986
3987 2009-07-16  H.J. Lu  <hongjiu.lu@intel.com>
3988
3989         PR bootstrap/40781
3990         * builtins.c (expand_builtin_memcmp): Use loc instead of
3991         EXPR_LOCATION (exp).
3992         (expand_builtin_strncmp): Likewise.
3993
3994 2009-07-17  Aldy Hernandez  <aldyh@redhat.com>
3995             Manuel López-Ibáñez  <manu@gcc.gnu.org>
3996
3997         PR 40435
3998         * tree-complex.c, tree-loop-distribution.c, tree.c, tree.h,
3999         builtins.c, fold-const.c, omp-low.c, cgraphunit.c, tree-ssa-ccp.c,
4000         tree-ssa-dom.c, gimple-low.c, expr.c, tree-ssa-ifcombine.c,
4001         c-decl.c, stor-layout.c, tree-if-conv.c, c-typeck.c, gimplify.c,
4002         calls.c, tree-sra.c, tree-mudflap.c, tree-ssa-copy.c,
4003         tree-ssa-forwprop.c, c-convert.c, c-omp.c, varasm.c,
4004         tree-inline.c, c-common.c, c-common.h, gimple.c,
4005         tree-switch-conversion.c, gimple.h, tree-cfg.c, c-parser.c,
4006         convert.c: Add location argument to fold_{unary,binary,ternary},
4007         fold_build[123], build_call_expr, build_size_arg,
4008         build_fold_addr_expr, build_call_array, non_lvalue, size_diffop,
4009         fold_build1_initializer, fold_build2_initializer,
4010         fold_build3_initializer, fold_build_call_array,
4011         fold_build_call_array_initializer, fold_single_bit_test,
4012         omit_one_operand, omit_two_operands, invert_truthvalue,
4013         fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref,
4014         combine_comparisons, fold_builtin_*, fold_call_expr,
4015         build_range_check, maybe_fold_offset_to_address, round_up,
4016         round_down.
4017
4018 2009-07-16  Jason Merrill  <jason@redhat.com>
4019
4020         PR libstdc++/37907
4021         * c-common.c (c_common_reswords): Add __is_standard_layout
4022         and __is_trivial.
4023         * c-common.h (enum rid): Add RID_IS_STD_LAYOUT and RID_IS_TRIVIAL.
4024         * doc/implement-cxx.texi: New.
4025         * doc/gcc.texi: Include it.
4026
4027 2009-07-16  DJ Delorie  <dj@redhat.com>
4028
4029         * config/m32c/m32c.c (m32c_compare_redundant): Avoid removing
4030         compares that may be indirectly affected by previous instructions.
4031
4032 2009-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4033
4034         * builtins.c (do_mpc_arg2): New.
4035         (fold_builtin_2): Fold builtin cpow.
4036         * real.h (HAVE_mpc_pow): New.
4037
4038 2009-07-16  Bingfeng Mei  <bmei@broadcom.com>
4039
4040         * modulo-sched.c (sms_schedule): stage_count <= 1 as correct
4041         comparison to skip unprofitable schedule
4042
4043 2009-07-16  Simon Baldwin  <simonb@google.com>
4044
4045         * gcc.c (option_map): New flag -no-canonical-prefixes.
4046         * (display_help): Print help text for new flag.
4047         * (process_command): Move options translation and language specifics
4048         and handle new flag early.  Use it to set a function pointer to a
4049         prefix builder.  Replace make_relative_prefix calls with calls to
4050         the function pointed to.  Ignore new flag in regular options handling.
4051         * doc/invoke.texi (Overall Options): Documented -no-canonical-prefixes.
4052
4053 2009-07-15  DJ Delorie  <dj@redhat.com>
4054
4055         * config/mep/mep.md (sibcall_internal): Change register to avoid
4056         argument registers.
4057         (sibcall_value_internal): Likewise.
4058
4059 2009-07-15  Eric Botcazou  <ebotcazou@adacore.com>
4060
4061         PR rtl-optimization/40710
4062         * resource.c (mark_target_live_regs): Reset DF problem to LR.
4063
4064 2009-07-15  Adam Nemet  <anemet@caviumnetworks.com>
4065
4066         * config/mips/mips.md (*extenddi_truncate<mode>,
4067         *extendsi_truncate<mode>): Change type attribute to move_type
4068         with shift_shift.  Split out code handling exts from here ...
4069         (*extend<GPR:mode>_truncate<SHORT:mode>_exts): ... to this new
4070         pattern.
4071         (*extendhi_truncateqi): Change type attribute to move_type with
4072         shift_shift.  Split out code handling exts from here ...
4073         (*extendhi_truncateqi_exts): ... to this new pattern.
4074
4075 2009-07-15  Uros Bizjak  <ubizjak@gmail.com>
4076
4077         * config/i386/sse.md (copysign<mode>3): Use "and-not" SSE instruction
4078         instead of "and" with inverted sign bit mask value.  Use
4079         "nonimmediate_operand" for operand 1 and operand 2 predicate.
4080         Allocate registers only for operand 4 and operand 5.
4081
4082 2009-07-15  Jakub Jelinek  <jakub@redhat.com>
4083
4084         PR middle-end/40747
4085         * fold-const.c (fold_cond_expr_with_comparison): When folding
4086         < and <= to MIN, make sure the MIN uses the same type as the
4087         comparison's operands.
4088
4089 2009-07-15  Richard Earnshaw  <rearnsha@arm.com>
4090
4091         * arm.md (ior_xor): New code iterator.
4092         (split for ior/xor with shift and zero-extend): New split pattern.
4093         * arm/predicates.md (subreg_lowpart_operator): New special predicate.
4094
4095 2009-07-15  Richard Guenther  <rguenther@suse.de>
4096
4097         * tree-ssa-structalias.c (make_constraint_from_heapvar): Initialize
4098         offset member.
4099
4100 2009-07-15  Richard Guenther  <rguenther@suse.de>
4101
4102         PR middle-end/40753
4103         * alias.c (ao_ref_from_mem): Reject FUNCTION_DECL and LABEL_DECL bases.
4104
4105 2009-07-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
4106
4107         * config/m68k/linux-unwind.h (m68k_fallback_frame_state): Update to
4108         handle 2.6.30 kernel.
4109
4110 2009-07-15  DJ Delorie  <dj@redhat.com>
4111
4112         * config/mep/mep.md (sibcall_internal): Change register to allow
4113         for 24-bit addresses.
4114         (sibcall_value_internal): Likewise.
4115
4116 2009-07-14  Ghassan Shobaki  <ghassan.shobaki@amd.com>
4117
4118         * doc/invoke.texi: Added descriptions of the  scheduling heuristics
4119         that are enabled/disabled by the flags introduced by a previous patch.
4120
4121 2009-07-14  DJ Delorie  <dj@redhat.com>
4122
4123         * config/mep/mep.md (sibcall_internal): Include non-toggling
4124         non-jmp case.
4125         (sibcall_value_internal): Likewise.
4126
4127 2009-07-14  Taras Glek  <tglek@mozilla.com>
4128             Rafael Espindola  <espindola@google.com>
4129
4130         * doc/sourcebuild.texi: Document install-plugin target.
4131         * configure.ac: Added install-plugin target to language makefiles.
4132         * configure: Regenerate.
4133         * Makefile.in: (install-plugin): Install more headers,
4134         depend on lang.install-plugin.
4135
4136 2009-07-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4137
4138         * tree-vrp.c (vrp_evaluate_conditional): Mark strings for
4139         translation.
4140
4141 2009-07-14  DJ Delorie  <dj@redhat.com>
4142
4143         * config/mep/mep.c (mep_vliw_jmp_match): New function.
4144         * config/mep/mep-protos.h (mep_vliw_jmp_match): Prototype it.
4145         * config/mep/mep.md (sibcall_internal): Change test from
4146         mep_vliw_mode_match to mep_vliw_jmp_match.
4147         (sibcall_value_internal): Likewise.
4148
4149 2009-07-14  Uros Bizjak  <ubizjak@gmail.com>
4150
4151         * config/i386/sse.md (copysign<mode>3): New expander.
4152         * config/i386/i386-protos.h (ix86_build_signbit_mask): New prototype.
4153         * config/i386/i386.c (ix86_build_signbit_mask): Make public.
4154         Use ix86_build_const_vector.
4155         (enum ix86_builtins): Add IX86_BUILTIN_CPYSGNPS and
4156         IX86_BUILTIN_CPYSGNPD.
4157         (builtin_description): Add __builtin_ia32_copysignps and
4158         __builtin_ia32_copysignpd.
4159         (ix86_builtin_vectorized_function): Handle BUILT_IN_COPYSIGN
4160         and BUILT_IN_COPYSIGNF.
4161
4162 2009-07-13  Jason Merrill  <jason@redhat.com>
4163
4164         * builtins.c (can_trust_pointer_alignment): New fn.
4165         (get_pointer_alignment): Factor it out from here.
4166         * tree.h: Declare it.
4167
4168 2009-07-14  David Edelsohn  <edelsohn@gnu.org>
4169
4170         * config/rs6000/predicates.md (offsettable_mem_operand): Test
4171         RTX_AUTOINC class.
4172
4173 2009-07-14  Dodji Seketeli  <dodji@redhat.com>
4174
4175         PR debug/40705
4176         PR c++/403057
4177         * dwarf2.out.c (gen_type_die_with_usage): Added comment.
4178
4179 2009-07-14  Richard Guenther  <rguenther@suse.de>
4180             Andrey Belevantsev <abel@ispras.ru>
4181
4182         PR middle-end/40745
4183         * cfgexpand.c (partition_stack_vars): Do not bother to update
4184         alias information when not optimizing.
4185
4186 2009-07-14  Richard Guenther  <rguenther@suse.de>
4187             Andrey Belevantsev <abel@ispras.ru>
4188
4189         * tree-ssa-alias.h (refs_may_alias_p_1): Declare.
4190         (pt_solution_set): Likewise.
4191         * tree-ssa-alias.c (refs_may_alias_p_1): Export.
4192         * tree-ssa-structalias.c (pt_solution_set): New function.
4193         * final.c (rest_of_clean_state): Free SSA data structures.
4194         * print-rtl.c (print_decl_name): Remove.
4195         (print_mem_expr): Implement in terms of print_generic_expr.
4196         * alias.c (ao_ref_from_mem): New function.
4197         (rtx_refs_may_alias_p): Likewise.
4198         (true_dependence): Query alias-export info.
4199         (canon_true_dependence): Likewise.
4200         (write_dependence_p): Likewise.
4201         * tree-dfa.c (get_ref_base_and_extent): For void types leave
4202         size unknown.
4203         * emit-rtl.c (component_ref_for_mem_expr): Remove.
4204         (mem_expr_equal_p): Use operand_equal_p.
4205         (set_mem_attributes_minus_bitpos): Do not use
4206         component_ref_for_mem_expr.
4207         * cfgexpand.c (add_partitioned_vars_to_ptset): New function.
4208         (update_alias_info_with_stack_vars): Likewise.
4209         (partition_stack_vars): Call update_alias_info_with_stack_vars.
4210         * tree-ssa.c (delete_tree_ssa): Do not release SSA names
4211         explicitly nor clear stmt operands.
4212         Free the decl-to-pointer map.
4213         * tree-optimize.c (execute_free_datastructures): Do not free
4214         SSA data structures here.
4215         * tree-flow.h (struct gimple_df): Add decls_to_pointers member.
4216         * Makefile.in (emit-rtl.o): Add pointer-set.h dependency.
4217         (alias.o): Add tree-ssa-alias.h, pointer-set.h and $(TREE_FLOW_H)
4218         dependencies.
4219         (print-rtl.o): Add $(DIAGNOSTIC_H) dependency.
4220
4221 2009-07-13  DJ Delorie  <dj@redhat.com>
4222
4223         * config/mep/mep.h (CC1_SPEC): Tweak parameters to trigger
4224         unrolling at the right iteration count.
4225
4226         * config/mep/mep.c (mep_expand_prologue): Fix frame pointer
4227         calculations.
4228
4229 2009-07-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
4230
4231         * haifa-sched.c (rank_for_schedule): Introduced flags to
4232         enable/disable individual scheduling heuristics.
4233         * common.opt: Introduced flags to enable/disable individual
4234         heuristics in the scheduler.
4235         * doc/invoke.texi: Introduced flags to enable/disable individual
4236         heuristics in the scheduler.
4237
4238 2009-07-13  Kai Tietz  <kai.tietz@onevision.com>
4239
4240         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Remove file
4241         config/i386/mingw-tls.c.
4242         * config/i386/mingw-tls.c: Removed.
4243
4244 2009-07-13  Ira Rosen  <irar@il.ibm.com>
4245
4246         * tree-vect-loop.c (get_initial_def_for_reduction): Ensure that the
4247         checks access only relevant statements.
4248         (vectorizable_reduction): Likewise.
4249
4250 2009-07-12  Kai Tietz  <kai.tietz@onevision.com>
4251
4252         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
4253         just for 32-bit case.
4254
4255 2009-07-12  Jan Hubicka  <jh@suse.cz>
4256
4257         PR tree-optimization/40585
4258         * except.c (expand_resx_expr): When there already is resume
4259         instruction, produce linked list.
4260         (build_post_landing_pads): Assert that resume is empty.
4261         (connect_post_landing_pads): Handle resume lists.
4262         (dump_eh_tree): Dump resume list.
4263
4264 2009-07-12  Ira Rosen  <irar@il.ibm.com>
4265
4266         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
4267         with additional argument.
4268         * tree-vectorizer.h (enum vect_def_type): Add
4269         vect_double_reduction_def.
4270         (vect_is_simple_reduction): Add argument.
4271         * tree-vect-loop.c (vect_determine_vectorization_factor): Fix
4272         indentation.
4273         (vect_analyze_scalar_cycles_1): Detect double reduction. Call
4274         vect_is_simple_reduction with additional argument.
4275         (vect_analyze_loop_operations): Handle exit phi nodes in case of
4276         double reduction.
4277         (reduction_code_for_scalar_code): Handle additional codes by
4278         returning ERROR_MARK for them. Fix comment and indentation.
4279         (vect_is_simple_reduction): Fix comment, add argument to specify
4280         double reduction. Detect double reduction.
4281         (get_initial_def_for_induction): Fix indentation.
4282         (get_initial_def_for_reduction): Fix comment and indentation.
4283         Handle double reduction. Create initial definitions that do not
4284         require adjustment if ADJUSTMENT_DEF is NULL. Handle additional cases.
4285         (vect_create_epilog_for_reduction): Fix comment, add argument to
4286         handle double reduction. Use PLUS_EXPR in case of MINUS_EXPR in
4287         epilogue result extraction. Create double reduction phi node and
4288         replace relevant uses.
4289         (vectorizable_reduction): Call vect_is_simple_reduction with
4290         additional argument. Fix indentation. Update epilogue code treatment
4291         according to the changes in reduction_code_for_scalar_code. Check
4292         for double reduction. Call vect_create_epilog_for_reduction with
4293         additional argument.
4294         * tree-vect-stmts.c (process_use): Handle double reduction, update
4295         documentation.
4296         (vect_mark_stmts_to_be_vectorized): Handle double reduction.
4297         (vect_get_vec_def_for_operand): Likewise.
4298
4299 2009-07-12  Danny Smith  <dansmister@gmail.com>
4300
4301         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't
4302         dllexport if !TREE_PUBLIC.
4303         (i386_pe_maybe_record_exported_symbol): Assert TREE_PUBLIC.
4304
4305 2009-07-11  Anatoly Sokolov  <aesok@post.ru>
4306
4307         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Redefine.
4308         (avr_extra_arch_macro) Remove declatation.
4309         * config/avr/avr.c (avr_cpu_cpp_builtins): New function.
4310         (avr_extra_arch_macro) Declare as static.
4311         * config/avr/avr-protos.h (avr_cpu_cpp_builtins): Dclare.
4312
4313 2009-07-11  Jan Hubicka  <jh@suse.cz>
4314
4315         PR middle-end/48388
4316         * except.c (can_be_reached_by_runtime): Test for NULL aka bitmap.
4317
4318 2009-07-11  Jakub Jelinek  <jakub@redhat.com>
4319
4320         PR debug/40713
4321         * dwarf2out.c (dw_fde_struct): Add in_std_section and
4322         cold_in_std_section bits.
4323         (dwarf2out_begin_prologue): Initialize them.
4324         (dwarf2out_finish): Don't emit FDE range into .debug_ranges
4325         if already covered by text_section or cold_text_section range.
4326
4327         PR rtl-optimization/40667
4328         * defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
4329         * doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
4330         * config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
4331         * config/i386/i386.c (ix86_minimum_alignment): New function.
4332         * config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
4333         * cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
4334         * emit-rtl.c (gen_reg_rtx): Likewise.
4335         * function.c (assign_parms): Likewise.  If nominal_type needs
4336         bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
4337         rather than passed_type's alignment.
4338
4339         PR target/40668
4340         * function.c (assign_parm_setup_stack): Adjust
4341         MEM_OFFSET (data->stack_parm) if promoted_mode is different
4342         from nominal_mode on big endian.
4343
4344 2009-07-11  Paolo Bonzini  <bonzini@gnu.org>
4345
4346         * expmed.c (emit_store_flag_1): Fix choice of zero vs. sign extension.
4347
4348 2009-07-10  DJ Delorie  <dj@redhat.com>
4349
4350         * config/mep/mep.c (mep_can_inline_p): Correct logic, and simplify.
4351
4352 2009-07-10  Mark Mitchell  <mark@codesourcery.com>
4353
4354         * config/arm/thumb2.md (thumb2_cbz): Correct computation of length
4355         attribute.
4356         (thumb2_cbnz): Likewise.
4357
4358 2009-07-10  David Daney  <ddaney@caviumnetworks.com>
4359
4360         PR target/39079
4361         * config.gcc (supported_defaults): Add synci.
4362         (with_synci): Add validation.
4363         (all_defaults): Add synci.
4364         * config/mips/mips.md (clear_cache): Use TARGET_SYNCI instead of
4365         ISA_HAS_SYNCI.
4366         (synci): Same.
4367         * config/mips/mips.opt (msynci): New option.
4368         * config/mips/mips.c (mips_override_options): Warn on use of
4369         -msynci for targets that do now support it.
4370         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
4371         msynci.
4372         * gcc/doc/invoke.texi (-msynci): Document the new option.
4373         * doc/install.texi (--with-synci): Document the new option.
4374
4375 2009-07-10  Richard Guenther  <rguenther@suse.de>
4376
4377         PR tree-optimization/40496
4378         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Create
4379         the PHI result with a compatible type.
4380
4381 2009-07-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4382
4383         PR 25509
4384         PR 40614
4385         * c.opt (Wunused-result): New.
4386         * doc/invoke.texi: Document it.
4387         * c-common.c (c_warn_unused_result): Use it.
4388
4389 2009-07-09  DJ Delorie  <dj@redhat.com>
4390
4391         * targhooks.c (default_target_can_inline_p): Rename from
4392         default_target_option_can_inline_p.
4393         * targhooks.h (default_target_can_inline_p): Likewise.
4394         * target-def.h (TARGET_CAN_INLINE_P): Rename from
4395         TARGET_OPTION_CAN_INLINE_P.
4396         * config/i386/i386.c (TARGET_CAN_INLINE_P): Likewise.
4397         * config/mep/mep.c (TARGET_CAN_INLINE_P): Likewise.
4398         (mep_target_can_inline_p): Rename from
4399         mep_target_option_can_inline_p.
4400
4401         PR target/40626
4402         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Add coprocessor
4403         registers used to pass vectors.
4404
4405         * config/mep/mep.c (mep_option_can_inline_p): Remove error call.
4406
4407 2009-07-09  Tom Tromey  <tromey@redhat.com>
4408
4409         * unwind-dw2-fde-darwin.c: Include dwarf2.h.
4410         * config/mmix/mmix.c: Include dwarf2.h.
4411         * config/rs6000/darwin-fallback.c: Include dwarf2.h.
4412         * config/xtensa/unwind-dw2-xtensa.c: Include dwarf2.h.
4413         * config/sh/sh.c: Include dwarf2.h.
4414         * config/i386/i386.c: Include dwarf2.h.
4415         * Makefile.in (DWARF2_H): Remove 'elf'.
4416         * except.c: Include dwarf2.h.
4417         * unwind-dw2.c: Include dwarf2.h.
4418         * dwarf2out.c: Include dwarf2.h.
4419         * unwind-dw2-fde-glibc.c: Include dwarf2.h.
4420         * unwind-dw2-fde.c: Include dwarf2.h.
4421         * dwarf2asm.c: Include dwarf2.h.
4422
4423 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
4424
4425         * haifa-sched.c (insn_finishes_cycle_p): New static function.
4426         (max_issue): Use it.
4427         * sched-int.h (struct sched_info: insn_finishes_block_p): New
4428         scheduler hook.
4429         * sched-rgn.c (rgn_insn_finishes_block_p): Implement it.
4430         (region_sched_info): Update.
4431         * sched-ebb.c (ebb_sched_info): Update.
4432         * modulo-sched.c (sms_sched_info): Update.
4433         * sel-sched-ir.c (sched_sel_haifa_sched_info): Update.
4434
4435 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
4436
4437         * varasm.c (build_constant_desc): Don't share RTL in pool entries.
4438
4439 2009-07-09  Basile Starynkevitch  <basile@starynkevitch.net>
4440
4441         * plugin.c (try_init_one_plugin): passes RTLD_GLOBAL to dlopen.
4442
4443 2009-07-09  Jakub Jelinek  <jakub@redhat.com>
4444
4445         PR middle-end/40692
4446         * fold-const.c (fold_cond_expr_with_comparison): Don't replace
4447         arg1 with arg01 if arg1 is already INTEGER_CST.
4448
4449 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
4450
4451         * simplify-rtx.c (simplify_binary_operation_1) <AND>:
4452         Transform (and (truncate)) into (truncate (and)).
4453
4454 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
4455
4456         * combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before
4457         creating LHS paradoxical subregs.  Fix surrounding returns to
4458         use NULL_RTX rather than 0.
4459
4460 2009-07-08  DJ Delorie  <dj@redhat.com>
4461
4462         * config/mep/mep.c: (mep_option_can_inline_p): New.
4463         (TARGET_OPTION_CAN_INLINE_P): Define.
4464
4465 2009-07-08  Mark Wielaard  <mjw@redhat.com>
4466
4467         PR debug/40659
4468         * dwarf2out.c (add_data_member_location_attribute): When we have
4469         only a constant offset don't emit a new location description using
4470         DW_OP_plus_uconst, but just add the constant with add_AT_int, when
4471         dwarf_version > 2.
4472
4473 2009-07-08  Richard Henderson  <rth@redhat.com>
4474
4475         PR target/38900
4476         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
4477         (enum reg_class): Add CLOBBERED_REGS.
4478         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
4479         * config/i386/i386.c (ix86_conditional_register_usage): Moved
4480         from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit.
4481         (ix86_function_ok_for_sibcall): Tidy.  Disallow MS->SYSV sibcalls.
4482         (ix86_expand_call): Use sibcall_insn_operand when needed.  Don't
4483         force 64-bit sibcalls into R11.
4484         * config/i386/constraints.md (U): New constraint.
4485         * config/i386/i386.md (sibcall_1, sibcall_value_1): Use it.
4486         (sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
4487         (sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.
4488
4489 2009-07-08  Shujing Zhao  <pearly.zhao@oracle.com>
4490
4491         * basic-block.h (dump_regset, debug_regset): Remove duplicate
4492         prototypes.
4493         * c-objc-common.h (c_initialize_diagnostics): Ditto.
4494         * ebitmap.h (dump_ebitmap): Ditto.
4495         * optabs.h (optab_libfunc): Ditto.
4496         * tree.h (tree_expr_nonzero_warnv_p): Ditto.
4497         * tree-flow.h (vect_can_force_dr_alignment_p,
4498         get_vectype_for_scalar_type): Ditto.
4499         (vectorize_loops): Move prototype to ...
4500         * tree-vectorizer.h: ... here. Also, adjust comment.
4501         (vect_set_verbosity_level): Remove duplicate prototype.
4502         * tree-ssa-loop.c: Include tree-vectorizer.h.
4503         * Makefile.in (tree-ssa-loop.o): Depend on tree-vectorizer.h.
4504
4505 2009-07-08  Nick Clifton  <nickc@redhat.com>
4506
4507         * config/i386/unix.h (ASM_COMMENT_START): Add a space after the
4508         forward slash.
4509
4510 2009-07-08  DJ Delorie  <dj@redhat.com>
4511
4512         * config/mep/mep-ivc2.cpu (cpmovtocsar0_C3, cpmovtocsar1_C3,
4513         cpmovtocc_C3, cpmovtocsar0_P0S_P1, cpmovtocsar1_P0S_P1,
4514         cpmovtocc_P0S_P1): Mark volatile.  Note which registers are
4515         written to.
4516         * config/mep/intrinsics.md: Regenerated.
4517         * config/mep/mep.c (mep_interrupt_saved_reg): Save IVC2 control
4518         registers when asm() or calls are detected.
4519
4520 2009-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4521
4522         PR c++/31246
4523         * gimplify.c (gimplify_expr): Propagate no_warning flag when
4524         gimplifying.
4525         * gimple (gimple_build_call_from_tree): Likewise.
4526         * tree-cfg.c (remove_useless_stmts_warn_notreached): Check
4527         no_warning flag before warning.
4528
4529 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4530
4531         * tree.c (set_expr_locus): Remove.
4532         * tree.h (EXPR_LOCUS,SET_EXPR_LOCUS,set_expr_locus): Remove.
4533         * c-typeck.c (c_finish_stmt_expr):  Replace EXPR_LOCUS by
4534         EXPR_LOCATION.
4535         * gimplify.c (internal_get_tmp_var): Likewise.
4536         (gimplify_call_expr): Likewise.
4537         (gimplify_one_sizepos): Likewise.
4538
4539 2009-07-07  Eric Botcazou  <ebotcazou@adacore.com>
4540
4541         PR debug/40666
4542         * dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
4543         to variables for debugging purposes.
4544
4545 2009-06-23  Mark Loeser  <mark@halcy0n.com>
4546
4547         PR build/40010
4548         * Makefile.in (gcc.pod): Depend on gcc-vers.texi.
4549
4550 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4551
4552         * pretty-print.c (pp_base_format): Remove %J.
4553         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
4554         gcc_cxxdiag_char_table): Likewise.
4555         (init_dynamic_diag_info): Likewise.
4556
4557 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4558
4559         * pretty-print.c (pp_base_format): Remove %H.
4560         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
4561         gcc_cxxdiag_char_table): Likewise.
4562         (init_dynamic_diag_info): Likewise.
4563         * config/mep/mep.c (mep_select_section): Likewise.
4564
4565 2009-07-07  Duncan Sands  <baldrick@free.fr>
4566
4567         * final.c (pass_clean_state): Give the pass a name.
4568         * passes.c (pass_rest_of_compilation): Likewise.
4569         * tree-optimize.c (pass_all_optimizations): Likewise.
4570
4571 2009-07-07  H.J. Lu  <hongjiu.lu@intel.com>
4572
4573         * config/ia64/ia64.c (ia64_handle_model_attribute): Remove
4574         an extra 'decl' for error_at.
4575
4576 2009-07-07  Jakub Jelinek  <jakub@redhat.com>
4577
4578         PR middle-end/40669
4579         * tree-tailcall.c (adjust_return_value_with_ops,
4580         create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
4581         if it has complex or vector type.
4582
4583 2009-07-07  Olivier Hainque  <hainque@adacore.com>
4584
4585         * config/alpha/t-osf4 (SHLIB_LINK): Do not hide the dummy weak
4586         pthread symbols.
4587
4588 2009-07-07  Basile Starynkevitch  <basile@starynkevitch.net>
4589
4590         * Makefile.in: added more lists of includes to PLUGIN_HEADERS.
4591
4592 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4593
4594         * cgraphunit.c: Replace %J by an explicit location.  Update all calls.
4595         * c-decl.c: Likewise.
4596         * function.c: Likewise.
4597         * varasm.c: Likewise.
4598         * tree-ssa.c: Likewise.
4599         * c-common.c: Likewise.
4600         * tree-cfg.c: Likewise.
4601         * config/spu/spu.c: Likewise.
4602         * config/ia64/ia64.c: Likewise.
4603         * config/v850/v850.c: Likewise.
4604
4605 2009-07-06  DJ Delorie  <dj@redhat.com>
4606
4607         * config/mep/mep-core.cpu (fsft, ssarb): Mark as VOLATILE.
4608         * config/mep/mep-ivc2.cpu (many): Add VOLATILE to more insns that make
4609         unspecified accesses to control registers.
4610         * config/mep/intrinsics.md: Regenerate.
4611         * config/mep/intrinsics.h: Regenerate.
4612         * config/mep/mep-intrin.h: Regenerate.
4613
4614 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4615
4616         * c-lex.c: Replace %H by an explicit location. Update all calls.
4617         * c-common.c: Likewise.
4618         * c-decl.c: Likewise.
4619         * c-typeck.c: Likewise.
4620         * fold-const.c: Likewise.
4621         * gimplify.c: Likewise.
4622         * stmt.c: Likewise.
4623         * tree-cfg.c: Likewise.
4624         * tree-ssa-loop-niter.c: Likewise.
4625         * tree-vrp.c: Likewise.
4626         * value-prof.c: Likewise.
4627
4628 2009-07-06  Diego Novillo  <dnovillo@google.com>
4629
4630         * tree-dfa.c (dump_variable): Write DECL_INITIAL for VAR
4631         if it has one.  Handle cases where VAR does not have an
4632         annotation or cfun is NULL.
4633
4634 2009-07-06  Diego Novillo  <dnovillo@google.com>
4635
4636         * tree.c: Include debug.h.
4637         (initialize_tree_contains_struct): New.
4638         (init_ttree): Call it.
4639         (tree_node_structure_for_code): Factor out of ...
4640         (tree_node_structure): ... here.
4641         * treestruct.def (TS_PHI_NODE): Remove.
4642         (TS_GIMPLE_STATEMENT): Remove.
4643
4644 2009-07-06  Diego Novillo  <dnovillo@google.com>
4645
4646         * tree-pretty-print.c (dump_generic_node): Protect against NULL op0.
4647         (debug_tree_chain): Handle cycles.
4648
4649 2009-07-06  Nick Clifton  <nickc@redhat.com>
4650             DJ Delorie  <dj@redhat.com>
4651
4652         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
4653         __FMOVD_ENABLED__ is defined.
4654         * config/sh/sh.h
4655         (TARGET_FMOVD): Provide a default definition.
4656         (MASK_FMOVD): Likewise.
4657         (TARGET_CPU_CPP_BUILTINS): Define
4658         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
4659         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
4660         two fmov instructions depending upon whether TARGET_FMOVD is enabled.
4661         (split for DF load from memory into register): Also handle
4662         MEMs which consist of REG+DISP addressing.
4663         (split for DF store from register to memory): Likewise.
4664         (movsf_ie): Always use single fp_mode.
4665         * config/sh/sh.c (sh_override_options): Do not automatically
4666         enable TARGET_MOVD for the SH2A when supporting doubles - leave
4667         that to the -mfmovd command line switch.
4668         (broken_move): Do not restrict fldi test to only the SH4 and SH4A.
4669         (fldi_ok): Always allow.
4670         * config/sh/sh.opt (mfmovd): Remove this switch.
4671         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
4672
4673 2009-07-06  J"orn Rennecke  <joern.rennecke@arc.com>
4674             Kaz Kojima  <kkojima@gcc.gnu.org>
4675
4676         PR rtl-optimization/30807
4677         * postreload.c (reload_combine): For every new use of REG_SUM,
4678         record the use of BASE.
4679
4680 2009-07-06  Jan Hubicka  <jh@suse.cz>
4681
4682         * params.def: Revert my accidental commit at 2009-06-30.
4683
4684 2009-07-04  Ian Lance Taylor  <iant@google.com>
4685
4686         PR target/40636
4687         * config/i386/msformat-c.c (mingw_format_attributes): Declare as
4688         EXPORTED_CONST.
4689         (mingw_format_attribute_overrides): Likewise.
4690
4691 2009-07-04  Jakub Jelinek  <jakub@redhat.com>
4692
4693         PR debug/40596
4694         * dwarf2out.c (based_loc_descr): For crtl->stack_realign_tried
4695         don't check cfa.reg.  Instead of cfa.indirect use
4696         fde && fde->drap_reg != INVALID_REGNUM test.
4697
4698 2009-07-04  Eric Botcazou  <ebotcazou@adacore.com>
4699
4700         * postreload.c (reload_combine): Replace CONST_REG with INDEX_REG.
4701
4702 2009-07-03  Vladimir Makarov  <vmakarov@redhat.com>
4703
4704         PR target/40587
4705         * ira.c (build_insn_chain): Use DF_LR_OUT instead of df_get_live_out.
4706
4707 2009-07-03  Richard Guenther  <rguenther@suse.de>
4708
4709         PR tree-optimization/40640
4710         * tree-switch-conversion.c (build_arrays): Perform arithmetic
4711         in original type.
4712
4713 2009-07-03  Jan Hubicka  <jh@suse.cz>
4714
4715         * ipa-inline.c (cgraph_decide_inlining_incrementally): When optimizing
4716         for size, reduce amount of inlining.
4717
4718 2009-07-03  Richard Guenther  <rguenther@suse.de>
4719
4720         PR middle-end/34163
4721         * tree-chrec.c (chrec_convert_1): Fold (T2)(t +- x) to (T2)t +- (T2)x
4722         if t +- x is known to not overflow and the conversion widens the
4723         operation.
4724         * Makefile.in (tree-chrec.o): Add $(FLAGS_H) dependency.
4725
4726 2009-07-03  Jan Hubicka  <jh@suse.cz>
4727
4728         * ipa-pure-const.c (analyze): Update loop optimizer init.
4729         * tree-ssa-loop-iv-canon.c (empty_loop_p, remove_empty_loop,
4730         try_remove_empty_loop, remove_empty_loops): Remove.
4731         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): Remove.
4732         * tree-ssa-dce.c (find_obviously_necessary_stmts): Use finiteness info
4733         to mark regular loops as neccesary.
4734         (degenerate_phi_p): New function.
4735         (propagate_necessity, remove_dead_phis): Use it.
4736         (forward_edge_to_pdom): Likewise.
4737         (eliminate_unnecessary_stmts): Take care to remove uses of results of
4738         virtual PHI nodes that became unreachable.
4739         (perform_tree_ssa_dce): Initialize/deinitialize loop optimizer.
4740         * tree-flow.h (remove_empty_loops): Remove.
4741         * passes.c (init_optimization_passes): Remove.
4742
4743 2009-07-03  Uros Bizjak  <ubizjak@gmail.com>
4744
4745         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1): Use
4746         can_create_pseudo_p.
4747         (*fix_trunc<mode>_i387_1): Ditto.
4748         (*floathi<mode>2_1): Ditto.
4749         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): Ditto.
4750         (*fistdi2_1): Ditto.
4751         (*fist<mode>2_1): Ditto.
4752         (frndintxf2_floor): Ditto.
4753         (*fist<mode>2_floor_1): Ditto.
4754         (frndintxf2_ceil): Ditto.
4755         (*fist<mode>2_ceil_1): Ditto.
4756         (frndintxf2_trunc): Ditto.
4757         (frndintxf2_mask_pm): Ditto.
4758         (fxam<mode>2_i387_with_temp): Ditto.
4759         * config/i386/sse.md (mulv16qi3): Ditto.
4760         (*sse2_mulv4si3): Ditto.
4761         (mulv2di3): Ditto.
4762         (sse4_2_pcmpestr): Ditto.
4763         (sse4_2_pcmpistr): Ditto.
4764
4765 2009-07-03  Jan Hubicka  <jh@suse.cz>
4766
4767         * tree-ssa-dce.c (bb_contains_live_stmts): New bitmap.
4768         (mark_stmt_necessary): Set it.
4769         (mark_operand_necessary): Set it.
4770         (mark_control_dependent_edges_necessary): Set it.
4771         (mark_virtual_phi_result_for_renaming): New function.
4772         (get_live_post_dom): New function.
4773         (forward_edge_to_pdom): New function.
4774         (remove_dead_stmt): Fix handling of control dependences.
4775         (tree_dce_init): Init new bitmap.
4776         (tree_dce_done): Free it.
4777
4778 2009-07-02  Richard Guenther  <rguenther@suse.de>
4779
4780         PR bootstrap/40617
4781         * tree-ssa-structalias.c (new_var_info): Initialize
4782         is_restrict_var.
4783
4784 2009-07-02  Jan Hubicka  <jh@suse.cz>
4785
4786         * ipa-pure-const.c (check_op): Use PTA info to see if indirect_ref is
4787         local.
4788
4789 2009-07-02  Paolo Bonzini  <bonzini@gnu.org>
4790
4791         * expmed.c (emit_cstore, emit_store_flag_1): Accept target_mode
4792         instead of recomputing it.  Adjust calls.
4793         (emit_store_flag): Adjust recursive calls.
4794
4795 2009-07-02  Richard Guenther  <rguenther@suse.de>
4796
4797         * tree-ssa-live.c (remove_unused_locals): Do not remove
4798         heap variables.
4799         * tree-ssa-structalias.c (handle_lhs_call): Delay setting
4800         of DECL_EXTERNAL for HEAP variables.
4801         (compute_points_to_sets): Set DECL_EXTERNAL for escaped
4802         HEAP variables.  Do not adjust RESTRICT vars.
4803         (find_what_var_points_to): Nobody cares if something
4804         points to READONLY.
4805
4806 2009-07-02  Ben Elliston  <bje@au.ibm.com>
4807
4808         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Move
4809         pc_low and pc_high declarations to the top of the function.
4810
4811 2009-07-01  DJ Delorie  <dj@redhat.com>
4812
4813         * config/mep/mep.c (mep_handle_option): Leave IVC2 control
4814         registers as fixed.
4815         (mep_interrupt_saved_reg): Save appropriate IVC2 control registers.
4816         * config/mep/mep-ivc2.cpu: Add VOLATILE to insns that make
4817         unspecified accesses to control registers.
4818         * config/mep/intrinsics.md: Regenerate.
4819         * config/mep/intrinsics.h: Regenerate.
4820         * config/mep/mep-intrin.h: Regenerate.
4821
4822 2009-07-01  Anthony Green  <green@moxielogic.com>
4823
4824         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
4825         instruction when possible.
4826         (moxie_expand_prologue): Ditto.  Also, save an instruction and
4827         some complexity by popping off of $r12 instead of $sp.
4828         * config/moxie/moxie.md (movsi_pop): Don't assume $sp.  Take two
4829         operands.
4830
4831 2009-07-01  Richard Henderson  <rth@redhat.com>
4832
4833         PR bootstrap/40347
4834         * function.c (reposition_prologue_and_epilogue_notes): If epilogue
4835         contained no insns, reposition note before last insn.
4836
4837 2009-07-01  Richard Henderson  <rth@redhat.com>
4838
4839         PR debug/40431
4840         * dwarf2out.c (def_cfa_1): Revert 2009-06-11 change for
4841         DW_CFA_def_cfa_offset and DW_CFA_def_cfa.
4842
4843 2009-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
4844
4845         PR bootstrap/40558
4846         * config/rs6000/rs6000.c (print_operand): Undo change that breaks
4847         darwin9 for printing reg addresses with %y.
4848
4849 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
4850
4851         * combine.c (force_to_mode): Handle TRUNCATE.  Factor out
4852         truncation from operands in binary operations.
4853
4854 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
4855
4856         Revert:
4857         2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
4858         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
4859         subreg of op0 to the original op0.
4860
4861         * expmed.c (store_bit_field_1): Use a temporary as the destination
4862         instead of a paradoxical subreg when we need to truncate the result.
4863
4864 2009-07-01  DJ Delorie  <dj@redhat.com>
4865
4866         * config/mep/mep-ivc2.cpu (cmov, cmovc, cmovh): Add intrinsic
4867         names to VLIW variants.
4868         (ivc2rm, ivc2crn): Make data type consistent with non-VLIW variants.
4869         * config/mep/intrinsics.md: Regenerate.
4870         * config/mep/intrinsics.h: Regenerate.
4871         * config/mep/mep-intrin.h: Regenerate.
4872
4873 2009-07-01  Jakub Jelinek  <jakub@redhat.com>
4874
4875         PR debug/40462
4876         * jump.c (returnjump_p): Revert last patch.
4877         * dwarf2out.c (dwarf2out_begin_epilogue): Handle SEQUENCEs.
4878
4879 2009-07-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4880
4881         PR target/40575
4882         * pa.md (casesi32p): Use jump table label to determine the offset
4883         of the jump table.
4884         (casesi64p): Likewise.
4885
4886         * pa.c (forward_branch_p): Return bool type.  Use instruction
4887         addresses when available.  Assert that INSN has a jump label.
4888         (pa_adjust_insn_length): Don't call forward_branch_p if INSN doesn't
4889         have a jump label.
4890
4891 2009-07-01  Richard Guenther  <rguenther@suse.de>
4892
4893         PR tree-optimization/19831
4894         * tree-ssa-dce.c (propagate_necessity): Calls to functions
4895         that only act as barriers do not make any previous stores necessary.
4896         * tree-ssa-structalias.c (handle_lhs_call): Delay making
4897         HEAP variables global, do not add a constraint from nonlocal.
4898         (find_func_aliases): Handle escapes through return statements.
4899         (compute_points_to_sets): Make escaped HEAP variables global.
4900
4901 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
4902
4903         PR bootstrap/40597
4904         * expmed.c (emit_store_flag): Perform a conversion if necessary,
4905         after reducing a DImode cstore to SImode.
4906
4907 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
4908
4909         * expr.c (expand_expr_real_1): Reinstate fallthrough to
4910         TRUTH_ANDIF_EXPR if do_store_flag returns NULL.
4911
4912 2009-07-01  Maciej W. Rozycki  <macro@linux-mips.org>
4913
4914         * config/vax/vax.h (TARGET_BSD_DIVMOD): New macro.  Set to 1.
4915         * config/vax/linux.h (TARGET_BSD_DIVMOD): New macro.  Redefine the
4916         to 0.
4917         * config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab
4918         and umod_optab if TARGET_BSD_DIVMOD.
4919         * config/vax/lib1funcs.asm: New file.
4920         * config/vax/t-linux: New file.
4921         * config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux.
4922
4923 2009-06-30  Jakub Jelinek  <jakub@redhat.com>
4924
4925         PR c++/40566
4926         * convert.c (convert_to_integer) <case COND_EXPR>: Don't convert
4927         to type arguments that have void type.
4928
4929         PR debug/40573
4930         * dwarf2out.c (gen_formal_parameter_die): Call
4931         equate_decl_number_to_die if node is different from origin.
4932
4933 2009-06-30  Anthony Green  <green@moxielogic.com>
4934
4935         Clean up moxie port for --enable-build-with-cxx.
4936         * config/moxie/moxie.c (moxie_function_value): First two
4937         parameters are const_tree, not tree.
4938         * config/moxie/moxie.h (enum reg_class): Rename CC_REG to CC_REGS.
4939         (REG_CLASS_NAMES): Ditto.
4940         (REGNO_REG_CLASS): Ditto.
4941         * config/moxie/moxie-protos.h (moxie_override_options): Declare.
4942         (moxie_function_value): Fix constyness of arguments.
4943
4944 2009-06-30  Eric Botcazou  <ebotcazou@adacore.com>
4945
4946         * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4947         finalize_size_functions before further processing.
4948         * stor-layout.c: Include cgraph.h, tree-inline.h and tree-dump.h.
4949         (variable_size): Call self_referential_size on size expressions
4950         that contain a PLACEHOLDER_EXPR.
4951         (size_functions): New static variable.
4952         (copy_self_referential_tree_r): New static function.
4953         (self_referential_size): Likewise.
4954         (finalize_size_functions): New global function.
4955         * tree.c: Include tree-inline.h.
4956         (push_without_duplicates): New static function.
4957         (find_placeholder_in_expr): New global function.
4958         (substitute_in_expr) <tcc_declaration>: Return the replacement object
4959         on equality.
4960         <tcc_expression>: Likewise.
4961         <tcc_vl_exp>: If the replacement object is a constant, try to inline
4962         the call in the expression.
4963         * tree.h (finalize_size_functions): Declare.
4964         (find_placeholder_in_expr): Likewise.
4965         (FIND_PLACEHOLDER_IN_EXPR): New macro.
4966         (substitute_placeholder_in_expr): Update comment.
4967         * tree-inline.c (remap_decl): Do not unshare trees if do_not_unshare
4968         is true.
4969         (copy_tree_body_r): Likewise.
4970         (copy_tree_body): New static function.
4971         (maybe_inline_call_in_expr): New global function.
4972         * tree-inline.h (struct copy_body_data): Add do_not_unshare field.
4973         (maybe_inline_call_in_expr): Declare.
4974         * Makefile.in (tree.o): Depend on TREE_INLINE_H.
4975         (stor-layout.o): Depend on CGRAPH_H, TREE_INLINE_H, TREE_DUMP_H and
4976         GIMPLE_H.
4977
4978 2009-06-30  Richard Guenther  <rguenther@suse.de>
4979
4980         * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Always
4981         continue walking.
4982         (propagate_necessity): Do not mark reaching defs of stores
4983         as necessary.
4984
4985 2009-06-30  Jan Hubicka  <jh@suse.cz>
4986
4987         * cfgloopanal.c (check_irred): Move into ...
4988         (mark_irreducible_loops): ... here; return true if ireducible
4989         loops was found.
4990         * ipa-pure-const.c: Include cfgloop.h and tree-scalar-evolution.h
4991         (analyze_function): Try to prove loop finiteness.
4992         * cfgloop.h (mark_irreducible_loops): Update prototype.
4993         * Makefile.in (ipa-pure-const.o): Add dependency on SCEV and CFGLOOP.
4994
4995 2009-06-30  Basile Starynkevitch  <basile@starynkevitch.net>
4996
4997         * Makefile.in (PLUGIN_HEADERS): added ggc, tree-dump, pretty-print.
4998
4999 2009-06-30  Ira Rosen  <irar@il.ibm.com>
5000
5001         PR tree-optimization/40542
5002         * tree-vect-stmts.c (vect_analyze_stmt): Don't vectorize volatile
5003         types.
5004
5005 2009-06-30  Martin Jambor  <mjambor@suse.cz>
5006
5007         PR tree-optimization/40582
5008         * tree-sra.c (build_ref_for_offset_1): Use types_compatible_p rather
5009         than useless_type_conversion_p.
5010         (generate_subtree_copies): Increment sra_stats.subtree_copies at a
5011         proper place.
5012
5013 2009-06-30  Martin Jambor  <mjambor@suse.cz>
5014
5015         PR middle-end/40554
5016         * tree-sra.c (sra_modify_expr): Add access->offset to start_offset.
5017
5018 2009-06-30  Richard Guenther  <rguenther@suse.de>
5019
5020         * tree-ssa-alias.c (walk_aliased_vdefs_1): Change interface to
5021         use ao_ref references.
5022         (walk_aliased_vdefs): Likewise.
5023         * tree-ssa-alias.h (walk_aliased_vdefs): Adjust prototype.
5024         * tree-ssa-dce.c (struct ref_data): Remove.
5025         (mark_aliased_reaching_defs_necessary_1): Use the ao_ref argument.
5026         (mark_aliased_reaching_defs_necessary): Adjust.
5027         (mark_all_reaching_defs_necessary_1): Likewise.
5028
5029 2009-06-30  Paolo Bonzini  <bonzini@gnu.org>
5030
5031         PR boostrap/40597
5032         * expmed.c (emit_cstore): New name of emit_store_flag_1.
5033         (emit_store_flag_1): Extract from emit_store_flag, adjust
5034         calls to (what now is) emit_cstore.
5035         (emit_store_flag): Call emit_store_flag_1 and also use it
5036         for what used to be recursive calls.
5037
5038 2009-06-30  Wei Guozhi  <carrot@google.com>
5039
5040         PR/40416
5041         * tree-ssa-sink.c (statement_sink_location): Stop sinking expression
5042         if the target bb post dominates from bb.
5043         * config/i386/i386.c (memory_address_length): Check existence of base
5044         register before using it.
5045
5046 2009-06-30  Nick Clifton  <nickc@redhat.com>
5047             DJ Delorie  <dj@redhat.com>
5048
5049         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
5050         __FMOVD_ENABLED__ is defined.
5051         * config/sh/sh.h
5052         (TARGET_FMOVD): Provide a default definition.
5053         (MASK_FMOVD): Likewise.
5054         (TARGET_CPU_CPP_BUILTINS): Define
5055         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
5056         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
5057         two fmov instructions depending upon whether TARGET_FMOVD is
5058         enabled.
5059         (split for DF load from memory into register): Also handle
5060         MEMs which consist of REG+DISP addressing.
5061         (split for DF store from register to memory): Likewise.
5062         * config/sh/sh.opt (mfmovd): Remove this switch.
5063         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
5064         * config/sh/sh.c (sh_override_options): Do not automatically
5065         enable TARGET_MOVD for the SH2A when supporting doubles - leave
5066         that to the -mfmovd command line switch.
5067
5068         * config/sh/sh.c (broken_move): Do not restrict fldi test to only
5069         the SH4 and SH4A.
5070         (fldi_ok): Always allow.
5071         * config/sh/sh.md (movsf_ie): Always use single fp_mode.
5072
5073 2009-06-29  DJ Delorie  <dj@redhat.com>
5074
5075         * doc/install.texi (mep-x-elf): Correct chip's full name.
5076
5077 2009-06-29  H.J. Lu  <hongjiu.lu@intel.com>
5078
5079         * doc/extend.texi: Fix typo.
5080
5081 2009-06-29  Tom Tromey  <tromey@redhat.com>
5082
5083         * dwarf2.h: Remove.
5084         * Makefile.in (DWARF2_H): New variable.
5085         (except.o): Use it.
5086         (dwarf2out.o): Likewise.
5087         (dwarf2asm.o): Likewise.
5088         * config/i386/t-i386: Use DWARF2_H.
5089         * except.c: Include elf/dwarf2.h.
5090         * unwind-dw2.c: Include elf/dwarf2.h.
5091         * dwarf2out.c: Include elf/dwarf2.h.
5092         (dw_loc_descr_struct) <dw_loc_opc>: Now a bitfield.
5093         <dtprel>: New field.
5094         (dwarf_stack_op_name): Don't handle INTERNAL_DW_OP_tls_addr.
5095         (size_of_loc_descr): Likewise.
5096         (output_loc_operands_raw): Likewise.
5097         (output_loc_operands): Handle new dtprel field.
5098         (loc_checksum): Update.
5099         (loc_descriptor_from_tree_1) <VAR_DDECL>: Set dtprel field.
5100         * unwind-dw2-fde-glibc.c: Include elf/dwarf2.h.
5101         * unwind-dw2-fde.c: Include elf/dwarf2.h.
5102         * dwarf2asm.c: Include elf/dwarf2.h.
5103         * unwind-dw2-fde-darwin.c: Include elf/dwarf2.h.
5104         * config/mmix/mmix.c: Include elf/dwarf2.h.
5105         * config/rs6000/darwin-fallback.c: Include elf/dwarf2.h.
5106         * config/xtensa/unwind-dw2-xtensa.c: Include elf/dwarf2.h.
5107         * config/sh/sh.c: Include elf/dwarf2.h.
5108         * config/i386/i386.c: Include elf/dwarf2.h.
5109
5110 2009-06-29  DJ Delorie  <dj@redhat.com>
5111
5112         * config/mep/mep.h (CPP_SPEC): Remove __cop macro.
5113
5114         * doc/extend.texi: Add MeP attributes and pragmas.
5115         * doc/invoke.text: Add MeP Options.
5116         * doc/contrib.texi: Add MeP contribution.
5117         * doc/md.texi: Add MeP constraints.
5118         * doc/install.texi: Add MeP target.
5119
5120 2009-06-30  Anatoly Sokolov  <aesok@post.ru>
5121
5122         * target.h (struct gcc_target): Add frame_pointer_required field.
5123         * target-def.h (TARGET_FRAME_POINTER_REQUIRED): New.
5124         (TARGET_INITIALIZER): Use TARGET_FRAME_POINTER_REQUIRED.
5125         * ira.c (setup_eliminable_regset): Use frame_pointer_required target
5126         hook.
5127         * reload1.c (update_eliminables): (Ditto.).
5128         * gcc/system.h (FRAME_POINTER_REQUIRED): Poison.
5129         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
5130         (INITIAL_FRAME_POINTER_OFFSET): (Ditto.).
5131
5132         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Remove macro.
5133
5134         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Remove macro.
5135         * config/arm/arm.c (TARGET_FRAME_POINTER_REQUIRED): Define.
5136         (arm_frame_pointer_required): New function.
5137
5138         * config/avr/avr.h (FRAME_POINTER_REQUIRED): Remove macro.
5139         * config/avr/avr.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
5140         (avr_frame_pointer_required_p): Declare as static.
5141         * config/avr/avr-protos.h (avr_frame_pointer_required_p): Remove.
5142
5143         * config/bfin/bfin.h (FRAME_POINTER_REQUIRED): Remove macro.
5144         * config/bfin/bfin.c (TARGET_FRAME_POINTER_REQUIRED): Define.
5145         (bfin_frame_pointer_required): Make as static, change return type
5146         to bool.
5147         * config/bfin/bfin-protos.h (bfin_frame_pointer_required): Remove.
5148
5149         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Remove macro.
5150         * config/cris/cris.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
5151         (cris_frame_pointer_required): New function.
5152
5153         * config/crx/crx.h (FRAME_POINTER_REQUIRED): Remove macro.
5154
5155         * config/fr30/fr30.h (FRAME_POINTER_REQUIRED): Remove macro.
5156         * config/fr30/fr30.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
5157         (fr30_frame_pointer_required): New function.
5158
5159         * config/frv/frv.h (FRAME_POINTER_REQUIRED): Remove macro.
5160         * config/frv/frv.c (TARGET_FRAME_POINTER_REQUIRED): Define.
5161         (frv_frame_pointer_required): Make as static, change return type
5162         to bool.
5163         * config/bfin/bfin-protos.h (frv_frame_pointer_required): Remove.
5164
5165         * config/i386/i386.h (FRAME_POINTER_REQUIRED): Remove macro.
5166         * config/i386/i386.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
5167         (ix86_frame_pointer_required): Make as static, change return type to
5168         bool.
5169         * config/i386/i386-protos.h (ix86_frame_pointer_required): Remove.
5170
5171         * config/m32c/m32c.h (FRAME_POINTER_REQUIRED): Remove macro.
5172         * config/m32c/m32c.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
5173
5174         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Remove macro.
5175
5176         * config/mcore/mcore.h (CAN_ELIMINATE): Remove macro.
5177
5178         * config/mep/mep.h (FRAME_POINTER_REQUIRED): Remove macro.
5179
5180         * config/mips/mips.h (FRAME_POINTER_REQUIRED): Remove macro.
5181         * config/mips/mips.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
5182         (mips_frame_pointer_required): Make as static.
5183         * config/mips/mips-protos.h (mips_frame_pointer_required): Remove.
5184
5185         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Remove macro.
5186         * config/mmix/mmix.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
5187         (mmix_frame_pointer_required): Mew function.
5188
5189         * config/moxie/moxie.h (FRAME_POINTER_REQUIRED): Remove macro.
5190         * config/moxie/moxie.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
5191
5192         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Remove macro.
5193
5194         * config/score/score.h (FRAME_POINTER_REQUIRED): Remove macro.
5195
5196         * config/sh/sh.h (CAN_ELIMINATE): Remove macro.
5197
5198         * config/sparc/sparc.h (FRAME_POINTER_REQUIRED): Remove macro.
5199         (CAN_ELIMINATE): Redefine.
5200         * config/sparc/sparc.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
5201         (sparc_frame_pointer_required): New function.
5202         (sparc_can_eliminate): New function.
5203         * config/sparc/sparc-protos.h (sparc_can_eliminate): Declare.
5204
5205         * config/vax/vax.h (FRAME_POINTER_REQUIRED): Remove macro.
5206         * config/vax/vax.c (TARGET_FRAME_POINTER_REQUIRED): Define.
5207
5208         * config/xtensa/xtensa.h (FRAME_POINTER_REQUIRED): Remove macro.
5209         * config/xtensa/xtensa.c (TARGET_FRAME_POINTER_REQUIRED): Define.
5210         (xtensa_frame_pointer_required): Make as static, change return type
5211         to bool.
5212         * config/xtensa/xtensa-protos.h (xtensa_frame_pointer_required):
5213         Remove.
5214
5215 2009-06-29  Olatunji Ruwase  <tjruwase@google.com>
5216
5217         * doc/plugins.texi: Document PLUGIN_START_UNIT.
5218         * toplev.c (compile_file): Call PLUGIN_START_UNIT.
5219         * gcc-plugin.h (PLUGIN_START_UNIT): Added new event.
5220         * plugin.c (plugin_event_name): Added PLUGIN_START_UNIT.
5221         (register_callback): Handle PLUGIN_START_UNIT.
5222         (invoke_plugin_callbacks): Handle PLUGIN_START_UNIT.
5223
5224 2009-06-29  Eric Botcazou  <ebotcazou@adacore.com>
5225
5226         * tree.c (process_call_operands): Propagate TREE_READONLY from the
5227         operands.
5228         (PROCESS_ARG): Do not clear TREE_READONLY if CONSTANT_CLASS_P.
5229         (build3_stat): Propagate TREE_READONLY for COND_EXPR.
5230
5231 2009-06-29  Daniel Jacobowitz  <dan@codesourcery.com>
5232
5233         * config/arm/arm.h (REGISTER_MOVE_COST): Increase VFP register
5234         move cost.
5235
5236 2009-06-29  Uros Bizjak  <ubizjak@gmail.com>
5237
5238         * doc/extend.texi (Additional Floating Types): __float128 is also
5239         supported on i386 targets.
5240
5241 2009-06-29  Richard Guenther  <rguenther@suse.de>
5242
5243         PR middle-end/14187
5244         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
5245         flag.
5246         (pt_solutions_same_restrict_base): Declare.
5247         * tree-ssa-structalias.c (struct variable_info): Add is_restrict_var
5248         flag.
5249         (new_var_info): Initialize is_global_var properly for SSA_NAMEs.
5250         (make_constraint_from, make_copy_constraint): Move earlier.
5251         (make_constraint_from_heapvar): New function.
5252         (make_constraint_from_restrict): Likewise.
5253         (handle_lhs_call): Use it.
5254         (find_func_aliases): Use it to track conversions to restrict
5255         qualified pointers.
5256         (struct fieldoff): Add only_restrict_pointers flag.
5257         (push_fields_onto_fieldstack): Initialize it.
5258         (create_variable_info_for): Track global restrict qualified pointers.
5259         (intra_create_variable_infos): Use make_constraint_from_heapvar.
5260         Track restrict qualified pointer arguments.
5261         (set_uids_in_ptset): Use varinfo is_global_var flag.
5262         (find_what_var_points_to): Set the vars_contains_restrict flag.
5263         Always create the points-to solution for sets including restrict tags.
5264         (pt_solutions_same_restrict_base): New function.
5265         * tree-ssa-alias.c (ptr_derefs_may_alias_p): For two restrict
5266         qualified pointers use pt_solutions_same_restrict_base as
5267         additional source for disambiguation.
5268
5269 2009-06-29  Richard Guenther  <rguenther@suse.de>
5270
5271         PR middle-end/38212
5272         * alias.c (find_base_decl): Remove.
5273         (get_deref_alias_set_1): Remove restrict handling.
5274         * c-common.c (c_apply_type_quals_to_decl): Do not set
5275         DECL_POINTER_ALIAS_SET.
5276         * gimplify.c (find_single_pointer_decl_1): Remove.
5277         (find_single_pointer_decl): Likewise.
5278         (internal_get_tmp_var): Remove restrict handling.
5279         (gimple_regimplify_operands): Likewise.
5280         * omp-low.c (expand_omp_atomic_pipeline): Do not set
5281         DECL_POINTER_ALIAS_SET. Use ref-all pointers.
5282         * print-tree.c (print_node): Do not print DECL_POINTER_ALIAS_SET.
5283         * tree.c (restrict_base_for_decl): Remove.
5284         (init_ttree): Do not allocate it.
5285         (make_node_stat): Do not set DECL_POINTER_ALIAS_SET.  Set
5286         LABEL_DECL_UID for label decls.
5287         (copy_node_stat): Do not copy restrict information.
5288         (decl_restrict_base_lookup): Remove.
5289         (decl_restrict_base_insert): Likewise.
5290         (print_restrict_base_statistics): Likewise.
5291         (dump_tree_statistics): Do not call print_restrict_base_statistics.
5292         * tree.h (DECL_POINTER_ALIAS_SET): Remove.
5293         (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
5294         (struct tree_decl_common): Rename pointer_alias_set to label_decl_uid.
5295         (LABEL_DECL_UID): Adjust.
5296         (DECL_BASED_ON_RESTRICT_P): Remove.
5297         (DECL_GET_RESTRICT_BASE): Likewise.
5298         (SET_DECL_RESTRICT_BASE): Likewise.
5299         (struct tree_decl_with_vis): Remove based_on_restrict_p flag.
5300
5301         * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers
5302         instead of DECL_POINTER_ALIAS_SET.
5303         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5304         * config/s390/s390.c (s390_gimplify_va_arg): Likewise.
5305         * config/spu/spu.c (spu_gimplify_va_arg_expr): Likewise.
5306
5307 2009-06-29  Richard Guenther  <rguenther@suse.de>
5308
5309         PR tree-optimization/40579
5310         * tree-vrp.c (vrp_evaluate_conditional): Bail out early if
5311         the IL to simplify has constants that overflowed.
5312
5313 2009-06-28  Uros Bizjak  <ubizjak@gmail.com>
5314
5315         PR tree-optimization/40550
5316         * tree-vect-generic.c (expand_vector_operations_1): Compute in
5317         vector_compute_type only when the size of vector_compute_type is
5318         less than the size of type.
5319
5320 2009-06-28  Eric Botcazou  <ebotcazou@adacore.com>
5321
5322         * fold-const.c (contains_label_1): Fix comments.
5323         (contains_label_p): Do not walk trees multiple time.
5324
5325 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
5326
5327         * config/i386/i386.h (enum ix86_fpcmp_strategy): New.
5328         * config/i386/i386.md (cbranchxf4, cstorexf4, cbranch<MODEF>4,
5329         cstore<MODEF>4, mov<X87MODEF>cc): Change predicate to
5330         ix86_fp_comparison_operator.
5331         (*fp_jcc_1_mixed, *fp_jcc_1_sse, *fp_jcc_1_387, *fp_jcc_2_mixed,
5332         *fp_jcc_2_sse, *fp_jcc_2_387): Delete
5333         (*fp_jcc_3_387, *fp_jcc_4_387, *fp_jcc_5_387, *fp_jcc_6_387,
5334         *fp_jcc_7_387, *fp_jcc_8<MODEF>_387): Eliminate call to
5335         !ix86_use_fcomi_compare, change ix86_fp_jump_nontrivial_p call
5336         to !TARGET_CMOVE, change predicate to ix86_fp_comparison_operator.
5337         (related splits): Change predicate to ix86_fp_comparison_operator.
5338         * config/i386/predicates.md: Use ix86_trivial_fp_comparison_operator
5339         instead of ix86_fp_comparison_codes.
5340         (ix86_trivial_fp_comparison_operator,
5341         ix86_fp_comparison_operator): New.
5342         * config/i386/i386-protos.h (ix86_fp_comparison_strategy): New.
5343         (ix86_expand_compare): Eliminate last two parameters.
5344         (ix86_fp_jump_nontrivial_p): Kill.
5345         * config/i386/i386.c (put_condition_code): Eliminate call to
5346         ix86_fp_comparison_codes and subsequent assertion.
5347         (ix86_fp_comparison_codes): Eliminate.
5348         (ix86_fp_swap_condition): New.
5349         (ix86_fp_comparison_arithmetics_cost, ix86_fp_comparison_fcomi_cost,
5350         ix86_fp_comparison_sahf_cost, ix86_use_fcomi_compare): Consolidate
5351         into ix86_fp_comparison_cost and ix86_fp_comparison_strategy.
5352         (ix86_prepare_fp_compare_args): Use ix86_fp_comparison_strategy
5353         and ix86_fp_swap_condition.
5354         (ix86_expand_fp_compare): Eliminate code for second jump/bypass jump.
5355         Use ix86_fp_comparison_strategy.
5356         (ix86_expand_compare): Likewise.  Eliminate last two arguments.
5357         (ix86_fp_jump_nontrivial_p): Eliminate.
5358         (ix86_expand_branch): Treat SFmode/DFmode/XFmode as simple.  Adjust
5359         call to ix86_expand_compare.
5360         (ix86_split_fp_branch, ix86_expand_setcc,
5361         ix86_expand_carry_flag_compare, ix86_expand_int_movcc,
5362         ix86_expand_fp_movcc): Eliminate code for second jump/bypass jump.
5363
5364 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
5365
5366         * config/arm/arm.c (arm_final_prescan_ins): Eliminate code
5367         related to jump_clobbers.
5368         * config/arm/arm.md (conds): Remove jump_clob case.
5369         (addsi3_cbranch, addsi3_cbranch_scratch, subsi3_cbranch, two
5370         splits): Change comparison_operator to arm_comparison_operator.
5371         (*arm_buneq, *arm_bltgt, *arm_buneq_reversed, *arm_bltgt_reversed):
5372         Eliminate.
5373
5374 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
5375
5376         * dojump.c (do_compare_rtx_and_jump): Try swapping the
5377         condition for floating point modes.
5378         * expmed.c (emit_store_flag_1): Move here a bigger part
5379         of emit_store_flag.
5380         (emit_store_flag): Try swapping the condition for floating point
5381         modes.
5382         * optabs.c (emit_cmp_and_jump_insns): Cope with constant op0 better.
5383
5384 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
5385
5386         * expr.c (expand_expr_real_1): Just use do_store_flag.
5387         (do_store_flag): Drop support for TRUTH_NOT_EXPR.  Use
5388         emit_store_flag_force.
5389         * expmed.c (emit_store_flag_force): Copy here trick
5390         previously in expand_expr_real_1.  Try reversing the comparison.
5391         (emit_store_flag_1): Work if target is NULL.
5392         (emit_store_flag): Work if target is NULL, using the result mode
5393         from the comparison.  Use split_comparison, restructure final part
5394         to simplify conditionals.
5395
5396 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
5397
5398         * builtins.c (expand_errno_check): Use do_compare_rtx_and_jump.
5399         * dojump.c (do_jump): Change handling of floating-point
5400         ops to use just do_compare_and_jump.
5401         (split_comparison): New.
5402         (do_compare_rtx_and_jump): Add here logic coming previously
5403         in do_jump, using split_comparison.
5404
5405 2009-06-27  H.J. Lu  <hongjiu.lu@intel.com>
5406
5407         PR target/40489
5408         * config/ia64/ia64.c (ia64_reorg): Check NULL insn.
5409
5410 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
5411
5412         * tree-ssa-alias.c: Fix unintentional commit.
5413
5414 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
5415
5416         * passes.c (execute_one_pass): Fix unintentional commit.
5417
5418 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
5419
5420         * df-problems.c (df_set_seen, df_unset_seen): Delete.
5421         (df_rd_local_compute, df_md_local_compute): Inline them.
5422
5423         (df_md_scratch): New.
5424         (df_md_alloc, df_md_free): Allocate/free it.
5425         (df_md_local_compute): Only include live registers in init.
5426         (df_md_transfer_function): Prune the in-set computed by
5427         the confluence function, and the gen-set too.
5428
5429 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
5430
5431         PR rtl-optimization/26854
5432         * timevar.def: Remove TV_DF_RU, add TV_DF_MD.
5433         * df-problems.c (df_rd_add_problem): Fix comment.
5434         (df_md_set_bb_info, df_md_free_bb_info, df_md_alloc,
5435         df_md_simulate_artificial_defs_at_top,
5436         df_md_simulate_one_insn, df_md_bb_local_compute_process_def,
5437         df_md_bb_local_compute, df_md_local_compute, df_md_reset,
5438         df_md_transfer_function, df_md_init, df_md_confluence_0,
5439         df_md_confluence_n, df_md_free, df_md_top_dump, df_md_bottom_dump,
5440         problem_MD, df_md_add_problem): New.
5441         * df.h (DF_MD, DF_MD_BB_INFO, struct df_md_bb_info, df_md,
5442         df_md_get_bb_info): New.
5443         (DF_LAST_PROBLEM_PLUS1): Adjust.
5444
5445         * Makefile.in (fwprop.o): Include domwalk.h.
5446         * fwprop.c: Include domwalk.h.
5447         (reg_defs, reg_defs_stack): New.
5448         (bitmap_only_bit_between): Remove.
5449         (process_defs): New.
5450         (process_uses): Use reg_defs and local_md instead of
5451         bitmap_only_bit_between and local_rd.
5452         (single_def_use_enter_block): New, from build_single_def_use_links.
5453         (single_def_use_leave_block): New.
5454         (build_single_def_use_links): Remove code moved to
5455         single_def_use_enter_block, invoke domwalk.
5456         (use_killed_between): Adjust comment.
5457
5458 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
5459
5460         * bitmap.h (bitmap_ior_and_into): New.
5461         * bitmap.c (bitmap_ior_and_into): New.
5462
5463 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
5464
5465         * domwalk.h (struct dom_walk_data): Remove all callbacks except
5466         before_dom_children_before_stmts and after_dom_children_after_stmts.
5467         Rename the two remaining callbacks to just before_dom_children and
5468         after_dom_children. Remove other GIMPLE statement walking bits.
5469         * domwalk.c (walk_dominator_tree): Remove now unsupported features.
5470         * graphite.c: Do not include domwalk.h.
5471         * tree-into-ssa.c (interesting_blocks): New global.
5472         (struct mark_def_sites_global_data): Remove it and names_to_rename.
5473         (mark_def_sites, rewrite_stmt, rewrite_add_phi_arguments,
5474         rewrite_update_stmt, rewrite_update_phi_arguments): Simplify
5475         now that they're not domwalk callbacks.
5476         (rewrite_initialize_block): Rename to...
5477         (rewrite_enter_block): ... this, place after called functions.  Test
5478         interesting_blocks, call rewrite_stmt and rewrite_add_phi_arguments.
5479         (rewrite_finalize_block): Rename to...
5480         (rewrite_leave_block): ... this, place after called functions.
5481         (rewrite_update_init_block): Rename to...
5482         (rewrite_update_enter_block): ... this, place after called functions.
5483         Test interesting_blocks, call rewrite_update_stmt and
5484         rewrite_update_phi_arguments.
5485         (rewrite_update_fini_block): Rename to...
5486         (rewrite_leave_block): ... this, place after called functions.
5487         (rewrite_blocks): Remove last argument, simplify initialization of
5488         walk_data.
5489         (mark_def_sites_initialize_block): Rename to...
5490         (mark_def_sites_block): ... this, call mark_def_sites.
5491         (mark_def_sites_blocks): Remove argument, simplify initialization of
5492         walk_data.
5493         (rewrite_into_ssa): Adjust for interesting_blocks_being a global.
5494         (update_ssa): Likewise.
5495         * tree-ssa-dom.c (optimize_stmt): Simplify now that it's not a domwalk
5496         callback.
5497         (tree_ssa_dominator_optimize): Simplify initialization of walk_data.
5498         (dom_opt_initialize_block): Rename to...
5499         (dom_opt_enter_block): ... this, place after called functions.  Walk
5500         statements here, inline propagate_to_outgoing_edges.
5501         (dom_opt_finalize_block): Rename to...
5502         (dom_opt_leave_block): ... this, place after called functions.
5503         * tree-ssa-dse.c (dse_optimize_stmt): Simplify now that it's not a
5504         domwalk callback.
5505         (dse_enter_block, dse_record_phi): New.
5506         (dse_record_phis): Delete.
5507         (dse_finalize_block): Rename to...
5508         (dse_leave_block): ... this.
5509         (tree_ssa_dse): Simplify initialization of walk_data.
5510         * tree-ssa-loop-im.c (determine_invariantness, move_computations):
5511         Adjust initialization of walk_data.
5512         * tree-ssa-loop-unswitch.c: Do not include domwalk.h.
5513         * tree-ssa-loop-phiopt.c (get_non_trapping):
5514         Adjust initialization of walk_data.
5515         * tree-ssa-loop-threadedge.c: Do not include domwalk.h.
5516         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Simplify now that
5517         it's not a domwalk callback.
5518         (uncprop_initialize_block): Rename to...
5519         (dse_enter_block): ... this, call uncprop_into_successor_phis.
5520         (dse_finalize_block): Rename to...
5521         (dse_leave_block): ... this.
5522         (tree_ssa_uncprop): Simplify initialization of walk_data.
5523         * Makefile.in: Adjust dependencies.
5524
5525 2009-06-27  Richard Earnshaw  <rearnsha@arm.com>
5526
5527         * arm.md (casesi): Fix test for Thumb1.
5528         (thumb1_casesi_internal_pic): Likewise.
5529         (thumb1_casesi_dispatch): Likewise.
5530
5531 2009-06-26  Daniel Gutson  <dgutson@codesourcery.com>
5532
5533         * config/arm/arm-cores.def: Added core cortex-m0.
5534         * config/arm/arm-tune.md: Regenerated.
5535         * doc/invoke.texi: Added entry for cpu ARM Cortex-M0.
5536
5537 2009-06-26  DJ Delorie  <dj@redhat.com>
5538
5539         * config/mep/mep.opt (mfar): Remove -mfar as it doesn't do anything.
5540
5541         * config/mep/mep.c (mep_bundle_insns): Account for the fact that
5542         the scheduler doesn't tag jump insns.
5543
5544 2009-06-26  H.J. Lu  <hongjiu.lu@intel.com>
5545
5546         * c-decl.c (merge_decls): Re-indent.
5547
5548 2009-06-26  Janis Johnson  <janis187@us.ibm.com>
5549
5550         PR c/39902
5551         * tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
5552         Special-case decimal float constants.
5553
5554 2009-06-26  Richard Henderson  <rth@redhat.com>
5555
5556         * function.h (struct function): Add cannot_be_copied_reason,
5557         and cannot_be_copied_set.
5558         * tree-inline.c (has_label_address_in_static_1): Rename from
5559         inline_forbidden_p_2; don't set inline_forbidden_reason here.
5560         (cannot_copy_type_1): Rename from inline_forbidden_p_op; likewise
5561         don't set inline_forbidden_reason.
5562         (copy_forbidden): New function, split out of inline_forbidden_p.
5563         (inline_forbidden_p_stmt): Don't check for nonlocal labels here.
5564         (inline_forbidden_p): Use copy_forbidden.
5565         (tree_versionable_function_p): Likewise.
5566         (inlinable_function_p): Merge into tree_inlinable_function_p.
5567         (tree_function_versioning): Remap cfun->nonlocal_goto_save_area.
5568         * ipa-cp.c (ipcp_versionable_function_p): New function.
5569         (ipcp_cloning_candidate_p): Use it.
5570         (ipcp_node_modifiable_p): Likewise.
5571
5572 2009-06-26  Olatunji Ruwase  <tjruwase@google.com>
5573
5574         * builtins.c (expand_builtin_alloca): Handle builtin alloca
5575         that is marked not to be inlined. Remove flag_mudflap use.
5576         * tree-mudflap.c: Rename mf_xform_derefs to mf_xfrom_statements.
5577         (mf_xform_statements): Mark builtin alloca calls as un-inlineable.
5578
5579 2009-06-26  Steve Ellcey  <sje@cup.hp.com>
5580
5581         PR bootstrap/40338
5582         * config/pa/t-pa-hpux10 (TARGET_LIBGCC2_CFLAGS): Add -frandom-seed.
5583         * config/pa/t-pa-hpux11 (TARGET_LIBGCC2_CFLAGS): Ditto.
5584
5585 2009-06-26  Kai Tietz  <kai.tietz@onevision.com>
5586
5587         * config/i386/mingw-tls.c (__mingwthr_key_dtor): Remove for none
5588         shared libgcc.
5589         (__mingwthr_remove_key_dtor): Likewise.
5590
5591 2009-06-26  Richard Guenther  <rguenther@suse.de>
5592
5593         * tree-ssa-structalias.c (do_ds_constraint): Simplify escape handling.
5594
5595 2009-06-26  Steven Bosscher  <steven@gcc.gnu.org>
5596
5597         PR middle-end/40525
5598         * ifcvt.c (dead_or_predicable): If predicating MERGE_BB fails,
5599         try the non-cond_exec path also.
5600
5601 2009-06-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5602
5603         PR target/40468
5604         * pa.c (branch_to_delay_slot_p, branch_needs_nop_p): New functions.
5605         (output_cbranch): Use new functions.
5606         (output_lbranch, output_bb, output_bvb, output_dbra, output_movb):
5607         Likewise.
5608
5609 2009-06-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
5610             Pat Haugen  <pthaugen@us.ibm.com>
5611             Revital Eres <ERES@il.ibm.com>
5612
5613         * config/rs6000/rs6000.c (print_operand): Correct lossage message
5614         for %c error.  Add %x support to print VSX registers as a unified
5615         register set, instead of separate float and altivec registers.
5616         Switch to use VECTOR_MEM_ALTIVEC_P instead of TARGET_ALTIVEC for
5617         %y case, and add support for VSX pre-modify addresses.
5618         (output_toc): Add assert for CONST containing an integer constant
5619         in the PLUS case.
5620         (rs6000_adjust_cost): Add POWER7 support.
5621         (insn_must_be_first_in_group): Ditto.
5622         (insn_must_be_last_in_group): Ditto.
5623         (rs6000_emit_popcount): Ditto.
5624         (rs6000_vector_mode_supported_p): Ditto.
5625
5626         * config/rs6000/rs6000-protos.h (rs6000_secondary_reload_class):
5627         Change some of the functions called by macros to being called
5628         through a pointer, so debug functions can be inserted if
5629         -mdebug=addr or -mdebug=cost.
5630         (rs6000_preferred_reload_class_ptr): Ditto.
5631         (rs6000_secondary_reload_class_ptr): Ditto.
5632         (rs6000_secondary_memory_needed_ptr): Ditto.
5633         (rs6000_cannot_change_mode_class_ptr): Ditto.
5634         (rs6000_secondary_reload_inner): Ditto.
5635         (rs6000_legitimize_reload_address): Ditto.
5636         (rs6000_legitimize_reload_address_ptr): Ditto.
5637         (rs6000_mode_dependent_address): Ditto.
5638         (rs6000_mode_dependent_address_ptr): Ditto.
5639
5640         * config/rs6000/rs6000.c (reg_offset_addressing_ok_p): New
5641         function to return true if the mode allows reg + integer
5642         addresses.
5643         (virtual_stack_registers_memory_p): New function to return true if
5644         the address refers to a virtual stack register.
5645         (rs6000_legitimate_offset_address_p): Move code to say whether a
5646         mode supports reg+int addressing to reg_offset_addressing_ok_p and
5647         call it.
5648         (rs6000_legitimate_address_p): Add checks for modes that only can
5649         do reg+reg addressing.  Start adding VSX support.
5650         (rs6000_legitimize_reload_address): Ditto.
5651         (rs6000_legitimize_address): Ditto.
5652         (rs6000_debug_legitimate_address_p): New debug functions for
5653         -mdebug=addr and -mdebug=cost.
5654         (rs6000_debug_rtx_costs): Ditto.
5655         (rs6000_debug_address_costs): Ditto.
5656         (rs6000_debug_adjust_cost): Ditto.
5657         (rs6000_debug_legitimize_address): Ditto.
5658         (rs6000_legitimize_reload_address_ptr): Point to call normal
5659         function or debug function.  Make functions called via pointer
5660         static.
5661         (rs6000_mode_dependent_address_ptr): Ditto.
5662         (rs6000_secondary_reload_class_ptr): Ditto.
5663         (rs6000_hard_regno_mode_ok): Add preliminary VSX support.
5664         (rs6000_emit_move): Add -mdebug=addr support.  Change an abort
5665         into a friendlier error.
5666         (rs6000_init_builtins): Add initial VSX support.
5667         (rs6000_adjust_cost): Fix some spacing issues.
5668
5669         * config/rs6000/rs6000.h (enum reg_class): Add VSX_REGS.
5670         (REG_CLASS_NAMES): Ditto.
5671         (REG_CLASS_CONTENTS): Ditto.
5672         (PREFERRED_RELOAD_CLASS): Move from a macro to calling through a
5673         pointer, to add -mdebug=addr support.
5674         (CANNOT_CHANGE_MODE_CLASS): Ditto.
5675         (SECONDARY_RELOAD_CLASS): Call through a pointer to add
5676         -mdebug=addr support.
5677         (LEGITIMIZE_RELOAD_ADDRESS): Ditto.
5678         (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
5679         (enum rs6000_builtins): Add RS6000_BUILTIN_BSWAP_HI.
5680
5681         * config/rs6000/rs6000.md (bswaphi*): Add support for swapping
5682         16-bit values.
5683         (bswapsi*): Set attribute types for load/store.  Add combiner
5684         patterns to eliminate zero extend on 64-bit.
5685         (bswapdi*): Add support for swapping 64-bit values.  Use ldbrx and
5686         stdbrx if the hardware supports those instructions.
5687
5688 2009-06-25  Ian Lance Taylor  <iant@google.com>
5689
5690         * doc/invoke.texi (Option Summary): Mention -static-libstdc++.
5691         (Link Options): Document -static-libstdc++.
5692
5693 2009-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5694
5695         PR target/38731
5696         * config/rs6000/rs6000.c (LOCAL_ALIGNMENT): Redefine to just use
5697         DATA_ALIGNMENT instead.
5698
5699 2009-06-25  Richard Guenther  <rguenther@suse.de>
5700
5701         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Disambiguate
5702         indirect references against the callused/escaped solutions.
5703         (call_may_clobber_ref_p_1): Likewise.
5704
5705 2009-06-25  Martin Jambor  <mjambor@suse.cz>
5706
5707         PR tree-optimization/40493
5708         * tree-sra.c (sra_modify_expr): Correct BIT_FIELD_REF argument numbers.
5709         (enum unscalarized_data_handling): New type.
5710         (handle_unscalarized_data_in_subtree): Return what has been done.
5711         (load_assign_lhs_subreplacements): Handle left flushes differently.
5712         (sra_modify_assign): Use unscalarized_data_handling, simplified
5713         condition determining whether to remove the statement.
5714
5715 2009-06-25  Basile Starynkevitch  <basile@starynkevitch.net>
5716
5717         * doc/plugins.texi (Building GCC plugins): Correct typo in Makefile
5718         excerpt - @ should be doubled for texinfo.
5719
5720 2009-06-24  Ian Lance Taylor  <iant@google.com>
5721
5722         * config/arc/arc.c: Include "df.h".
5723         (arc_attribute_table): Make static.  Move higher in file.
5724         (arc_address_cost): Call SMALL_INT on INTVAL, not rtx.
5725         (output_shift): Initialize n later to avoid warning.
5726         * config/arm/arm.c (arm_attribute_table): Make static.  Move
5727         higher in file.
5728         * config/avr/avr.c (avr_attribute_table): Make static.  Move
5729         higher in file.
5730         (reg_class_tab): Change array type from int to enum reg_class.
5731         (avr_jump_mode): Change GET_MODE to GET_CODE when checking for
5732         LABEL_REF.
5733         (out_tsthi, ashlhi3_out): Don't use AS2 with "or" or "and".
5734         (lshrhi3_out): Likewise.
5735         (class_likely_spilled_p): Change return type to bool.
5736         (avr_rtx_costs): Use local code variable with enum type.
5737         * config/avr/avr.md (movmemhi): Use add_reg_note.
5738         (andhi3, andsi3): Don't use AS2 with "and".
5739         (iorhi3, iorsi3): Don't use AS2 with "or".
5740         * config/avr/avr-protos.h (class_likely_spilled_p): Update declaration.
5741         * config/crx/crx.c: Include "df.h".
5742         (crx_attribute_table): Make static.
5743         * config/m32r/m32r.c: Include "df.h".
5744         (m32r_attribute_table): Make static.  Move higher in file.
5745         (pop): Use add_reg_note.
5746         (block_move_call): Change 0 to LCT_NORMAL in function call.
5747         * config/m32r/m32r.md (movsi_insn): Remove unused local value.
5748         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Likewise.
5749         * config/m32r/m32r-protos.h (m32r_compute_function_type): Always
5750         declare, not just when TREE_CODE is defined.
5751         * config/m68hc11/m68hc11.c: Include "expr.h".
5752         (m68hc11_attribute_table): Make static.  Move higher in file.
5753         (m68hc11_small_indexed_indirect_p): Change 0 to VOIDmode in
5754         function call.
5755         (m68hc11_register_indirect_p): Likewise.
5756         (m68hc11_function_arg_padding): Change return type to enum
5757         direction.
5758         (emit_move_after_reload): Use add_reg_note.
5759         (m68hc11_emit_logical): Change code parameter to enum rtx_code.
5760         (m68hc11_split_logical): Likewise.
5761         (m68hc11_rtx_costs): Add local code_and outer_code variables with
5762         enum type.
5763         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Change 0
5764         to VOIDmode in function call.
5765         * config/m68hc11/m68hc11-protos.h: Don't check TREE_CODE to see if
5766         tree is defined.
5767         (m68hc11_split_logical): Update declaration.
5768         (m68hc11_function_arg_padding): Update declaration.
5769         * config/mcore/mcore.c (regno_reg_class): Change form array of int
5770         to array of enum reg_class.
5771         (mcore_attribute_table): Make static.  Move higher in file.
5772         (mcore_rtx_costs): Add cast to enum type.
5773         * config/mcore/mcore.h (regno_reg_class): Update declaration.
5774         (GO_IF_LEGITIMATE_INDEX): Add cast to avoid warning.
5775         * config/sh/sh.c (sh_attribute_table): Make static.  Move higher
5776         in file.
5777         * config/sh/predicates.md (trapping_target_operand): Rename and to
5778         and_expr.
5779         * config/sparc/sparc.c (sparc_attribute_table): Make static.  Move
5780         higher in file.
5781         * config/spu/spu.c (spu_attribute_table): Make static.  Move
5782         higher in file.
5783         * config/v850/v850.c (v850_attribute_table): Make static.  Move
5784         higher in file.
5785         (v850_rtx_costs): Use local code with enum type.
5786         (expand_epilogue): Add cast.
5787         * config/v850/v850-c.c (ghs_pragma_section): Initialize repeat.
5788
5789 2009-06-23  Takashi YOSHII  <yoshii.takashi@renesas.com>
5790
5791         PR target/40515
5792         * doc/invoke.texi (SH Options): Document -m2a, -m2a-single,
5793         -m2a-single-only and -m2a-nofpu.
5794         * config/sh/sh.opt: Document m2a generates FPU code.
5795
5796 2009-06-24  Anatoly Sokolov  <aesok@post.ru>
5797
5798         * defaults.h (CAN_ELIMINATE): Provide default.
5799         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
5800         * config/alpha/alpha.h (CAN_ELIMINATE): Delete.
5801         * config/m32c/m32c.h (CAN_ELIMINATE): Delete.
5802         * config/spu/spu.h (CAN_ELIMINATE): Delete.
5803         * config/xtensa/xtensa.h (CAN_ELIMINATE): Delete.
5804         * config/moxie/moxie.h (CAN_ELIMINATE): Delete.
5805         * config/cris/cris.h (CAN_ELIMINATE): Delete.
5806         * config/mn10300/mn10300.h (CAN_ELIMINATE): Delete.
5807         * config/pa/pa64-linux.h (CAN_ELIMINATE): Delete.
5808         * config/mmix/mmix.h (CAN_ELIMINATE): Delete.
5809
5810 2009-06-24  DJ Delorie  <dj@redhat.com>
5811
5812         * mep-ext-cop.cpu: Fix copyright notice.
5813         * mep-default: Fix copyright notice.
5814         * mep-core: Fix copyright notice.
5815         * mep: Fix copyright notice.
5816         * mep-ivc2: Fix copyright notice.
5817         * mep-c5: Fix copyright notice.
5818
5819 2009-06-24  Denis Chertykov  <chertykov@gmail.com>
5820
5821         * doc/contrib.texi (Contributors):
5822
5823 2009-06-24  Andreas Krebbel  <krebbel1@de.ibm.com>
5824
5825         PR middle-end/40501
5826         * tree-ssa-math-opts.c (execute_optimize_bswap): Convert the bswap
5827         src and dst operands if necessary.
5828
5829 2009-06-23  DJ Delorie  <dj@redhat.com>
5830
5831         Add MeP port.
5832         * config.gcc: Add mep support.
5833         * recog.c: Resurrect validate_replace_rtx_subexp().
5834         * recog.h: Likewise.
5835         * config/mep/: Add new port:
5836         * config/mep/constraints.md: New file.
5837         * config/mep/default.h: New file.
5838         * config/mep/intrinsics.h: New file.
5839         * config/mep/intrinsics.md: New file.
5840         * config/mep/ivc2-template.h: New file.
5841         * config/mep/mep-c5.cpu: New file.
5842         * config/mep/mep-core.cpu: New file.
5843         * config/mep/mep-default.cpu: New file.
5844         * config/mep/mep-ext-cop.cpu: New file.
5845         * config/mep/mep-intrin.h: New file.
5846         * config/mep/mep-ivc2.cpu: New file.
5847         * config/mep/mep-lib1.asm: New file.
5848         * config/mep/mep-lib2.c: New file.
5849         * config/mep/mep-pragma.c: New file.
5850         * config/mep/mep-protos.h: New file.
5851         * config/mep/mep-tramp.c: New file.
5852         * config/mep/mep.c: New file.
5853         * config/mep/mep.cpu: New file.
5854         * config/mep/mep.h: New file.
5855         * config/mep/mep.md: New file.
5856         * config/mep/mep.opt: New file.
5857         * config/mep/predicates.md: New file.
5858         * config/mep/t-mep: New file.
5859
5860 2009-06-23  Ian Lance Taylor  <iant@google.com>
5861
5862         * configure.ac: Invoke AC_PROG_CXX.  Separate C specific warnings
5863         from loose_warn into c_loose_warn and from strict_warn into
5864         c_strict_warn.  Set and substitute warn_cxxflags.  Check for
5865         --enable-build-with-cxx.  Set and substitute
5866         ENABLE_BUILD_WITH_CXX.  Set and substitute HOST_LIBS.
5867         * Makefile.in (CXXFLAGS): New variable.
5868         (C_LOOSE_WARN, C_STRICT_WARN): New variables.
5869         (GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN).  Add $(C_STRICT_WARN) if
5870         the default is the same as $(STRICT_WARN).
5871         (GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables.
5872         (CXX): New variable.
5873         (COMPILER): New value if ENABLE_BUILD_WITH_CXX.
5874         (COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise.
5875         (ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise.
5876         (HOST_LIBS): New variable.
5877         (GCC_CFLAGS): Add $(C_LOOSE_WARN).
5878         (ALL_CXXFLAGS): New variable.
5879         (LIBS, BACKENDLIBS): Add $(HOST_LIBS).
5880         * doc/install.texi (Configuration): Document
5881         --enable-build-with-cxx, --with-stage1-ldflags,
5882         --with-stage1-libs, --with-boot-ldflags, --with-boot-libs.
5883         * configure: Rebuild.
5884
5885 2009-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5886
5887         * config/arm/arm.c (arm_override_options): Fix braces and formatting
5888         from previous commit.
5889
5890 2009-06-23  Ian Lance Taylor  <iant@google.com>
5891
5892         * Makefile.in ($(out_object_file)): Depend upon $(DF_H).
5893
5894 2009-06-23  Ian Lance Taylor  <iant@google.com>
5895
5896         * reload.c (alternative_allows_const_pool_ref): Mark mem parameter
5897         with ATTRIBUTE_UNUSED.
5898
5899 2009-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
5900             Pat Haugen  <pthaugen@us.ibm.com>
5901             Revital Eres  <eres@il.ibm.com>
5902
5903         * config.in (HAVE_AS_POPCNTD): Add default definition.
5904         (HAVE_AS_LWSYNC): Ditto.
5905
5906         * configure.ac (gcc_cv_as_powerpc_mfpgpr): Provide real binutils
5907         release number.
5908         (gcc_cv_as_powerpc_cmpb): Ditto.
5909         (gcc_cv_as_powerpc_dfp): Ditto.
5910         (gcc_cv_as_powerpc_vsx): Ditto.
5911         (gcc_cv_as_powerpc_popcntd): Add feature test for assembler
5912         supporting the popcntd/lwsync instructions.
5913         (gcc_cv_as_powerpc_lwsync): Ditto.
5914         * configure: Regenerate.
5915
5916         * config/rs6000/aix53.h (ASM_CPU_SPEC): Add support for
5917         -mcpu=native and -mcpu=power7.
5918         * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.
5919
5920         * config/rs6000/linux64.opt (-mprofile-kernel): Move switch to be
5921         a variable instead of a mask to reduce the number of mask bits.
5922         * config/rs6000/sysv4.opt (-mbit-align): Ditto.
5923         (-mbit-word): Ditto.
5924         (-mregnames): Ditto.
5925         * config/rs6000/rs6000.opt (-mupdate): Ditto.
5926         (-mfused-madd): Ditto.
5927
5928         * config/rs6000/rs6000.opt (-mpopcntd): New switch for non-VSX ISA
5929         2.06 instructions.
5930         (-mvsx): New switch for VSX instructions.
5931         (-misel): Move from a variable to a mask to allow it to be set by
5932         -mcpu=.
5933
5934         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_nregs): Change
5935         function declaration to an array declaration.
5936         (rs6000_hard_regno_nregs): New external array declaration.
5937
5938         * config/rs6000/t-rs6000 (MD_INCLUDES): Define, add all of the .md
5939         files included by rs6000.md.
5940
5941         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
5942         SET_PROFILE_KERNEL macro to reset the -mprofile-kernel switch.
5943
5944         * config/rs6000/rs6000.c (rs6000_isel): Delete, -misel moved to be
5945         a target mask.
5946         (rs6000_debug_reg): New -mdebug= variables.
5947         (rs6000_debug_addr): Ditto.
5948         (rs6000_debug_cost): Ditto.
5949         (rs6000_pmode): New variable to hold Pmode.
5950         (rs6000_pointer_size): New variable to hold POINTER_SIZE.
5951         (rs6000_class_max_nregs): New array to hold CLASS_MAX_NREGS
5952         calculated at compiler start.
5953         (rs6000_hard_regno_nregs): Change function to an array which holds
5954         HARD_REGNO_NREGS calculated at compiler start.
5955         (rs6000_explicit_options): Delete isel field.
5956         (rs6000_vector_unit): New array to hold which vector unit
5957         supports arithmetic options for a given type.
5958         (rs6000_vector_mem): New array to hold which vector unit supports
5959         memory reference operations for a given type.
5960         (rs6000_vector_align): New array to given the alignment of each
5961         vector type.
5962         (power7_cost): New basic costs for power7.
5963         (SET_PROFILE_KERNEL): New macro for resetting -mprofile-kernel.
5964         (rs6000_hard_regno_nregs_internal): New function, moved from
5965         HARD_REGNO_NREGS, to calculate the number of registers each hard
5966         register takes for each type.
5967         (rs6000_debug_reg_print): New function for -mdebug=reg support.
5968         (rs6000_debug_vector_unit): New array, map rs6000_vector to string.
5969         (+rs6000_init_hard_regno_mode_ok): New function, move calculation
5970         of HARD_REGNO_NREGS, CLASS_MAX_NREGS, REGNO_REG_CLASS, and vector
5971         unit information here so it is calculated once at compiler startup
5972         time.
5973         (rs6000_override_options): Make -misel a target mask.  Add more
5974         power7 target masks.  Setup Pmode and POINTER_SIZE.  Add initial
5975         VSX support.  Add support for -mdebug=reg, -mdebug=addr, and
5976         -mdebug=cost.
5977         (POWERPC_MASKS): Add MASK_POPCNTD, MASK_VSX, and MASK_ISEL.
5978         (rs6000_handle_option): Move -misel from variable to target mask.
5979         (rs6000_builtin_mask_for_load): Add VSX support.
5980         (rs6000_conditional_register_usage): Ditto.
5981         (USE_ALTIVEC_FOR_ARG_P): Ditto.
5982         (function_arg_boundary): Ditto.
5983         (rs6000_expand_builtin): Ditto.
5984         (def_builtin): Make abort message a little friendlier.
5985         (rs6000_emit_int_cmove): Add support for 64-bit isel.
5986
5987         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Depend on the
5988         assembler support the popcntd instruction instead of a vsx
5989         instruction to enable power7 support.
5990         (ASM_CPU_SPEC): Add support for -mcpu=native and -mcpu=power7.
5991         (EXTRA_SPECS): Add ASM_CPU_NATIVE_SPEC to allow passing the right
5992         option to the assembler if -mcpu=native.
5993         (ASM_CPU_NATIVE_SPEC): Ditto.
5994         (TARGET_POPCNTD): If assembler doesn't support popcntd, turn off
5995         ISA 2.06 features.
5996         (TARGET_LWSYNC_INSTRUCTION): Define whether it is safe to issue
5997         the lwsync instruction.
5998         (enum processor_type): Add PROCESSOR_POWER7.
5999         (rs6000_debug_reg): New -mdebug= options.
6000         (rs6000_debug_addr): Ditto.
6001         (rs6000_debug_cost): Ditto.
6002         (rs6000_isel): Delete.
6003         (enum rs6000_vector): New enum to say what vector unit we have.
6004         (VECTOR_UNIT_*): New macros to say which vector unit has
6005         arithmetic operations for a given type.
6006         (VECTOR_MEM_*): New macros to say which vector unit has memory
6007         operations for a given type.
6008         (TARGET_LDBRX): Whether the machine supports the ldbrx
6009         instruction.
6010         (TARGET_ISEL): Delete, -misel moved to be a mask.
6011         (TARGET_ISEL64): New macro for 64-bit isel support.
6012         (UNITS_PER_VSX_WORD): New macro.
6013         (POINTER_SIZE): Move to be an external variable, rather than
6014         calculating whether we are generating 32 ot 64-bit code.
6015         (Pmode): Ditto.
6016         (STACK_BOUNDARY): Add VSX support.
6017         (LOCAL_ALIGNMENT): Ditto.
6018         (SLOW_UNALIGNED_ACCESS): Ditto.
6019         (VSX_REGNO_P): New macro for VSX support.
6020         (VFLOAT_REGNO_P): Ditto.
6021         (VINT_REGNO_P): Ditto.
6022         (VLOGICAL_REGNO_P): Ditto.
6023         (VSX_VECTOR_MODE): Ditto.
6024         (VSX_SCALAR_MODE): Ditto.
6025         (VSX_MODE): Ditto.
6026         (VSX_MOVE_MODE): Ditto.
6027         (VSX_REG_CLASS_P): Ditto.
6028         (HARD_REGNO_NREGS): Instead of calling a function, use an array
6029         lookup.
6030         (UNITS_PER_SIMD_WORD): Add VSX support.
6031         (MODES_TIEABLE_P): Ditto.
6032         (STARTING_FRAME_OFFSET): Ditto.
6033         (STACK_DYNAMIC_OFFSET): Ditto.
6034         (EPILOGUE_USES): Ditto.
6035         (REGNO_REG_CLASS): Move to array lookup.
6036         (CLASS_MAX_NREGS): Ditto.
6037         (rs6000_vector_reg_class): Add declaration.
6038         (ADDITIONAL_REGISTER_NAMES): Add VSX names for the registers that
6039         overlap with the floating point and Altivec registers.
6040
6041         * config/rs6000/e500.h (CHECK_E500_OPTIONS): Disallow -mvsx.
6042
6043         * config/rs6000/driver-rs6000.c (asm_names): New static array to
6044         give the appropriate asm switches if -mcpu=native.
6045         (host_detect_local_cpu): Add support for "asm".
6046         (host_detect_local_cpu): Follow GNU code guidelines for name.
6047
6048         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Move
6049         -mbit-word to a variable instead of being a target mask.
6050
6051         * config/rs6000/sync.md (lwsync): If the assembler supports it,
6052         emit the lwsync instruction instead of emitting the instruction as
6053         an integer constant.
6054
6055         * config/rs6000/spe.md (spe_fixuns_truncdfsi2): Rename from
6056         fixuns_trundfsi2, move expander into rs6000.md.
6057
6058         * config/rs6000/rs6000.md (cpu): Add power7.
6059         (sel, *ptrsize): New mode attributes for 32/64-bit isel.
6060         (logical predicate patterns): Change the single instruction
6061         primitives that set CR0 to be fast_compare instead of compare.
6062         (norsi*): Ditto.
6063         (popcntwsi2): Add support for ISA 2.06 popcount instructions.
6064         (popcntddi2): Ditto.
6065         (popcount<mode>): Ditto.
6066         (floating multiply/add insns): Name the floating point
6067         multiply/add insns.
6068         (isel_signed_<mode>): Add support for -misel on 64-bit systems.
6069         (isel_unsigned_<mode>): Ditto.
6070         (fixuns_trundfsi2): Move expander here from spe.md.
6071         (smindi3): Define if we have -misel on 64-bit systems.
6072         (smaxdi3): Ditto.
6073         (umindi3): Ditto.
6074         (umaxdi3): Ditto.
6075
6076 2009-06-23  Anatoly Sokolov  <aesok@post.ru>
6077
6078         * config.gcc (avr-*-rtems*, avr-*-*): Set extra_gcc_objs and
6079         extra_objs.
6080         * config/avr/avr.c (avr_current_device): New variable.
6081         (avr_arch_types, avr_mcu_types): Move to avr-deveces.c.
6082         (avr_arch, mcu_type_s): Move to avr.h.
6083         * config/avr/avr.h (base_arch_s). Add reserved2, arch_name and
6084         default_data_section_start fields.
6085         (avr_arch): Moved from avr.c.
6086         (mcu_type_s): Moved from avr.c. Add short_sp, data_section_start and
6087         library_name fields.
6088         (avr_current_device, avr_mcu_types, avr_arch_types,
6089         avr_device_to_arch, avr_device_to_data_start,
6090         avr_device_to_startfiles, avr_device_to_devicelib): Declare.
6091         (EXTRA_SPEC_FUNCTIONS): Define.
6092         (LINK_SPEC): Remove device name to '-m ...' and '-Tdata ...' linker
6093         options mapping. Use device_to_arch and device_to_data_start insted.
6094         (STARTFILE_SPEC): Use device_to_startfile instead of crt_binutils.
6095         (CRT_BINUTILS_SPECS, EXTRA_SPECS): Remove.
6096         * config/avr/t-avr (driver-avr.o, avr-devices.o): New rules.
6097         * config/avr/driver-avr.c: New file.
6098         * config/avr/avr-devices.c: New file.
6099
6100 2009-06-23  Jakub Jelinek  <jakub@redhat.com>
6101
6102         * var-tracking.c (unshare_variable): Force initialized to
6103         be VAR_INIT_STATUS_INITIALIZED unless flag_var_tracking_uninit.
6104         (set_variable_part): Likewise.
6105         (struct variable_union_info): Remove pos_src field.
6106         (vui_vec, vui_allocated): New variables.
6107         (variable_union): Pass VAR_INIT_STATUS_UNKNOWN to unshare_variable
6108         unconditionally.  Avoid XCVECNEW/free for every sorting, for dst_l
6109         == 1 use a simpler sorting algorithm.  Compute pos field right
6110         away, don't fill in pos_src.  For dst_l == 2 avoid qsort.
6111         Avoid quadratic comparison if !flag_var_tracking_uninit.
6112         (variable_canonicalize): Pass VAR_INIT_STATUS_UNKNOWN to
6113         unshare_variable unconditionally.
6114         (dataflow_set_different_2): Removed.
6115         (dataflow_set_different): Don't traverse second hash table.
6116         (compute_bb_dataflow): Pass VAR_INIT_STATUS_UNINITIALIZED
6117         unconditionally to var_reg_set or var_mem_set.
6118         (emit_notes_in_bb): Likewise.
6119         (delete_variable_part): Pass VAR_INIT_STATUS_UNKNOWN to
6120         unshare_variable.
6121         (emit_note_insn_var_location): Don't set initialized to
6122         VAR_INIT_STATUS_INITIALIZED early.
6123         (vt_finalize): Free vui_vec if needed, clear vui_vec and
6124         vui_allocated.
6125         * rtl.c (rtx_equal_p): Don't implement on top of rtx_equal_p_cb.
6126
6127         * tree-object-size.c (addr_object_size): Instead of checking
6128         for non-NULL TREE_CHAIN of the FIELD_DECL check that there
6129         are no FIELD_DECLs following it.
6130
6131 2009-06-23  Andreas Krebbel  <krebbel1@de.ibm.com>
6132
6133         * tree-ssa-math-opts.c (find_bswap): Increase the search depth in
6134         order to match bswaps with signed source operands.
6135
6136 2009-06-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6137
6138         * sdbout.c (sdbout_one_type): Fix braces in switch.
6139
6140 2009-06-23  Richard Guenther  <rguenther@suse.de>
6141
6142         * tree-ssa-structalias.c (struct variable_info): Add is_global_var
6143         member.
6144         (var_anything, anything_tree, var_nothing, nothing_tree, var_readonly,
6145         readonly_tree, var_escaped, escaped_tree, var_nonlocal, nonlocal_tree,
6146         var_callused, callused_tree, var_storedanything, storedanything_tree,
6147         var_integer, integer_tree): Remove global variables.
6148         (new_var_info): Do not pass new id, append the new var to the
6149         global variable vector.
6150         (do_ds_constraint): Use is_global_var member of the variable-info.
6151         (new_scalar_tmp_constraint_exp): Adjust.
6152         (create_function_info_for): Likewise.
6153         (create_variable_info_for): Likewise.
6154         (find_what_var_points_to): Remove dead code.
6155         (init_base_vars): Simplify.
6156         (compute_points_to_sets): Adjust.
6157
6158 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
6159
6160         * combine.c (try_combine): Dump information about the insns we're
6161         combining.
6162
6163 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
6164
6165         * combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION
6166         check when calling force_to_mode on TRUNCATE's operand.
6167
6168 2009-06-22  Ian Lance Taylor  <iant@google.com>
6169
6170         * config/rs6000/rs6000.opt: Move msched-epilog before msched-prolog.
6171
6172 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
6173
6174         * config/arm/arm.md (prologue_use): Set length of fake insn to 0.
6175
6176 2009-06-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6177
6178         * doc/invoke.texi (Link Options): -nodefaultlibs and -nostdlib
6179         override library linkage flags such as -static-libgcc or
6180         -shared-libgcc.
6181
6182 2009-06-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
6183
6184         * config/m68k/m68k-devices.def: Add line for MCF5221x.
6185
6186 2009-06-22  Ian Lance Taylor  <iant@google.com>
6187
6188         * config/linux.opt: Put mglibc ahead of muclibc.
6189
6190         * c-decl.c (diagnose_mismatched_decls): Add -Wc++-compat warning
6191         for duplicate decls.
6192
6193 2009-06-22  Matthias Klose  <doko@ubuntu.com>
6194
6195         * Makefile.in (install-plugin): Remove extra `/' after $(DESTDIR).
6196
6197 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
6198
6199         PR objc/28050
6200         * c-parser.c (c_parser_objc_message_args): Return error_mark_node
6201         instead of NULL if a parser error occurs.
6202
6203 2009-06-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6204
6205         * dwarf2out.c (dwarf2_debug_hooks): Initialize
6206         non-DWARF2_DEBUGGING_INFO version.
6207
6208 2009-06-22  Kai Tietz  <kai.tietz@onevision.com>
6209
6210         * config.gcc (i[34567]86-*-mingw*, x86_64-*-mingw*): Add
6211         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.
6212
6213         * config/i386/mingw32.h (LIBGCC2_HAS_TF_MODE): Define.
6214         (LIBGCC2_TF_CEXT): Define.
6215         (TF_SIZE): Define.
6216
6217 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6218
6219         PR target/40463
6220         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Fix definition.
6221
6222 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6223
6224         * config/arm/arm.c (arm_override_options): Disable
6225         -mcaller-super-interworking and -mcallee-super-interworking.
6226         * doc/invoke.texi (ARM Options): Document this.
6227
6228 2009-06-22  Nathan Sidwell  <nathan@codesourcery.com>
6229
6230         * config/arm/arm.c (arm_print_operand): Deal with HIGH.
6231         * config/arm/constraints.md (j): New constraint for movw operands.
6232         (N): Remove thumb2 meaning.
6233         * config/arm/arm.md (*arm_movw): Delete.
6234         (*arm_movsi_insn): Use j constraint for movw instead of N constraint.
6235         * config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp): Likewise.
6236         * config/arm/thumb2.md (*thumb2_movsi_insn): Likewise.
6237
6238 2009-06-22  Martin Jambor  <mjambor@suse.cz>
6239
6240         PR tree-optimization/40492
6241         * tree-sra.c (sra_modify_assign): Pass zero offsets to
6242         build_ref_for_offset.
6243
6244 2009-06-22  Shujing Zhao  <pearly.zhao@oracle.com>
6245
6246         * alias.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, CALL_P, NOTE_P and
6247         JUMP_TABLE_DATA_P predicates where applicable.
6248         * auto-inc-dec.c: Ditto.
6249         * builtins.c: Ditto.
6250         * caller-save.c: Ditto.
6251         * calls.c: Ditto.
6252         * cfgcleanup.c: Ditto.
6253         * cfglayout.c: Ditto.
6254         * cfgrtl.c: Ditto.
6255         * combine.c: Ditto.
6256         * combine-stack-adj.c: Ditto.
6257         * cse.c: Ditto.
6258         * cselib.c: Ditto.
6259         * dbxout.c: Ditto.
6260         * df-scan.c: Ditto.
6261         * dse.c: Ditto.
6262         * dwarf2asm.c: Ditto.
6263         * dwarf2out.c: Ditto.
6264         * emit-rtl.c: Ditto.
6265         * except.c: Ditto.
6266         * explow.c: Ditto.
6267         * expmed.c: Ditto.
6268         * expr.c: Ditto.
6269         * final.c: Ditto.
6270         * function.c: Ditto.
6271         * fwprop.c: Ditto.
6272         * gcse.c: Ditto.
6273         * genpreds.c: Ditto.
6274         * genrecog.c: Ditto.
6275         * ifcvt.c: Ditto.
6276         * ira-costs.c: Ditto.
6277         * ira-lives.c: Ditto.
6278         * jump.c: Ditto.
6279         * loop-iv.c: Ditto.
6280         * lower-subreg.c: Ditto.
6281         * modulo-sched.c: Ditto.
6282         * optabs.c: Ditto.
6283         * postreload.c: Ditto.
6284         * print-rtl.c: Ditto.
6285         * recog.c: Ditto.
6286         * reginfo.c: Ditto.
6287         * regmove.c: Ditto.
6288         * reload1.c: Ditto.
6289         * reload.c: Ditto.
6290         * reorg.c: Ditto.
6291         * rtlanal.c: Ditto.
6292         * rtl.c: Ditto.
6293         * sched-vis.c: Ditto.
6294         * sdbout.c: Ditto.
6295         * sel-sched-ir.c: Ditto.
6296         * simplify-rtx.c: Ditto.
6297         * targhooks.c: Ditto.
6298         * var-tracking.c: Ditto.
6299         * vmsdbgout.c: Ditto.
6300
6301 2009-06-22  Matthias Klose  <doko@ubuntu.com>
6302
6303         * Makefile.in (install-plugin): Always use DESTDIR.
6304
6305 2009-06-22  Olivier Hainque  <hainque@adacore.com>
6306
6307         * config/pa/pa.c (output_call): Don't optimize post call jumps
6308         into return address adjustments if the call may throw.
6309
6310 2009-06-21  Richard Earnshaw  <rearnsha@arm.com>
6311
6312         * arm.c (thumb1_output_casesi): New function.
6313         * arm.h (CASE_VECTOR_PC_RELATIVE): Thumb-1 code is also relative if
6314         optimizing for size or PIC.
6315         (CASE_VECTOR_SHORTEN_MODE): Handle thumb-1.
6316         * arm.md (UNSPEC_THUMB1_CASESI): New constant.
6317         (casesi): Handle Thumb-1 when optimizing for size or PIC.
6318         (thumb1_casesi_internal_pic): New expand rule.
6319         (thumb1_casesi_dispatch): New pattern.
6320         * aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use shortened vectors for
6321         thumb-1 mode.
6322         * coff.h (JUMP_TABLES_IN_TEXT_SECTION): Thumb-1 jump tables are now
6323         in the text seciton when PIC or optimizing for size.
6324         * elf.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
6325         * lib1funcs.asm ([__ARM_EABI__]): Add an attribute describing stack
6326         preservation properties of code.
6327         (__gnu_thumb1_case_sqi, __gnu_thumb1_case_uqi): New functions.
6328         (__gnu_thumb1_case_shi, __gnu_thumb1_case_uhi): New functions.
6329         (__gnu_thumb1_case_si): New function.
6330         * t-arm (LIB1ASMSRC): Define here.
6331         (LIB1ASMFUNCS): Add some common functions.
6332         * t-arm-elf (LIB1ASMSRC): Delete.
6333         (LIB1ASMFUNCS): Append to existing set.
6334         * t-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
6335         * t-strongarm-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
6336         * t-symbian (LIB1ASMFUNCS): Likewise.
6337         * t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
6338         * t-wince-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
6339
6340 2009-06-21  Richard Guenther  <rguenther@suse.de>
6341
6342         PR tree-optimization/38729
6343         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Restrict
6344         to loops with a single exit if -fno-expensive-optimizations.
6345
6346 2009-06-21  Jakub Jelinek  <jakub@redhat.com>
6347
6348         * var-tracking.c (struct shared_hash_def, shared_hash): New types.
6349         (dataflow_set): Change vars type from htab_t to shared_hash.
6350         (shared_hash_pool, empty_shared_hash): New variables.
6351         (vars_clear): Removed.
6352         (shared_hash_shared, shared_hash_htab, shared_hash_copy,
6353         shared_hash_find_slot_unshare, shared_hash_find_slot,
6354         shared_hash_find_slot_noinsert, shared_hash_find): New
6355         static inlines.
6356         (shared_hash_unshare, shared_hash_destroy): New functions.
6357         (unshare_variable): Unshare set->vars if shared, use
6358         shared_hash_htab.
6359         (vars_copy): Use htab_traverse_noresize instead of htab_traverse.
6360         (get_init_value, find_src_set_src, dump_dataflow_set,
6361         clobber_variable_part, emit_notes_for_differences): Use
6362         shared_hash_htab.
6363         (dataflow_set_init): Remove second argument, set vars to
6364         empty_shared_hash instead of creating a new htab.
6365         (dataflow_set_clear): Call shared_hash_destroy and set vars
6366         to empty_shared_hash instead of calling vars_clear.
6367         (dataflow_set_copy): Don't call vars_copy, instead just share
6368         the src htab with dst.
6369         (variable_union): Use shared_hash_*, use initially NO_INSERT
6370         lookup if set->vars is shared.  Don't keep slot cleared before
6371         calling unshare_variable.  Unshare set->vars if needed.
6372         Even ->refcount == 1 vars must be unshared if set->vars is shared
6373         and var needs to be modified.
6374         (variable_canonicalize): New function.
6375         (dataflow_set_union): If dst->vars is empty, just share src->vars
6376         with dst->vars and traverse with variable_canonicalize to canonicalize
6377         and unshare what is needed.
6378         (dataflow_set_different): If old_set and new_set use the same shared
6379         htab, they aren't different.  If number of htab elements is different,
6380         htabs are different.  Use shared_hash_*.
6381         (dataflow_set_destroy): Call shared_hash_destroy instead of
6382         htab_delete.
6383         (compute_bb_dataflow, emit_notes_in_bb, vt_emit_notes): Don't pass
6384         second argument to dataflow_set_init.
6385         (vt_initialize): Likewise.  Initialize shared_hash_pool and
6386         empty_shared_hash, move bb in/out initialization afterwards.
6387         Use variable_htab_free instead of NULL as changed_variables del hook.
6388         (variable_was_changed): Change type of second argument to pointer to
6389         dataflow_set.  When inserting var into changed_variables, bump
6390         refcount.  Unshare set->vars if set is shared htab and slot needs to
6391         be cleared.
6392         (set_variable_part): Use shared_hash_*, use initially NO_INSERT
6393         lookup if set->vars is shared.  Unshare set->vars if needed.
6394         Even ->refcount == 1 vars must be unshared if set->vars is shared
6395         and var needs to be modified.  Adjust variable_was_changed caller.
6396         (delete_variable_part): Use shared_hash_*.  Even ->refcount == 1
6397         vars must be unshared if set->vars is shared and var needs to be
6398         modified.  Adjust variable_was_changed caller.
6399         (emit_note_insn_var_location): Don't pool_free var.
6400         (emit_notes_for_differences_1): Initialize empty_var->refcount to 0
6401         instead of 1.
6402         (vt_finalize): Call htab_delete on empty_shared_hash->htab and
6403         free_alloc_pool on shared_hash_pool.
6404
6405 2009-06-20  Anthony Green  <green@moxielogic.com>
6406
6407         * config/moxie/sfp-machine.h (__gcc_CMPtype, CMPtype): Define.
6408         * config/moxie/moxie.h (LOAD_EXTEND_OP): Define.
6409
6410 2009-06-20  Richard Guenther  <rguenther@suse.de>
6411
6412         * tree-ssa-structalias.c (find_func_aliases): For memset use
6413         a constraint from NULL if we memset to zero.
6414         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Add builtins
6415         we explicitly handle that do not read from memory.
6416         (call_may_clobber_ref_p_1): Properly handle builtins that may
6417         set errno.
6418
6419 2009-06-20  Richard Guenther  <rguenther@suse.de>
6420
6421         PR tree-optimization/40495
6422         * tree-ssa-structalias.c (get_constraint_exp_for_temp): Remove.
6423         (new_scalar_tmp_constraint_exp): New function.
6424         (process_constraint): Do not create temporary decls.
6425         (process_all_all_constraints): Likewise.
6426         (handle_const_call): Likewise.
6427         (create_function_info_for): Do not set decl.
6428
6429 2009-06-19  Ian Lance Taylor  <iant@google.com>
6430
6431         * config/rs6000/rs6000.c (rs6000_explicit_options): Make static.
6432         (rs6000_attribute_table): Make static; move before use.
6433
6434 2009-06-19  Eric Botcazou  <ebotcazou@adacore.com>
6435
6436         * tree.c (substitute_in_expr) <COMPONENT_REF>: Tweak and reformat.
6437         <tcc_vl_exp>: Call process_call_operands on the new CALL_EXPR.
6438         Propagate the TREE_READONLY flag without overwriting it.
6439         (substitute_placeholder_in_expr) <tcc_vl_exp>: Likewise.
6440         Propagate the TREE_READONLY flag onto the result.
6441         (process_call_operands): Move around.  Use correct constant value.
6442
6443 2009-06-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6444
6445         PR target/40482
6446         * config/arm/arm.c (thumb_shiftable_const): Truncate val to 32 bits.
6447         * config/arm/arm.md: Likewise.
6448
6449 2009-06-19  Ian Lance Taylor  <iant@google.com>
6450
6451         * tree-cfg.c (gimple_redirect_edge_and_branch): Change ERROR_MARK
6452         to GIMPLE_ERROR_MARK.
6453
6454         * c-typeck.c (build_conditional_expr): Add op1_original_type and
6455         op2_original_type parameters.  Warn about using different enum types.
6456         * c-parser.c (c_parser_conditional_expression): Pass original
6457         types to build_conditional_expr.
6458         * c-tree.h (build_conditional_expr): Update declaration.
6459
6460 2009-06-19  Ian Lance Taylor  <iant@google.com>
6461
6462         * config/i386/i386.c (ix86_function_specific_save): Test that
6463         fields match values, rather than testing the values are in a
6464         certain range.
6465
6466 2009-06-19  Richard Guenther  <rguenther@suse.de>
6467
6468         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle
6469         ADDR_EXPR pointers.
6470         (ptr_derefs_may_alias_p): Likewise.
6471         (ptr_deref_may_alias_ref_p_1): New function.
6472         (ptr_deref_may_alias_ref_p): Likewise.
6473         (ref_maybe_used_by_call_p_1): Handle builtins that are not
6474         covered by looking at the ESCAPED solution.
6475         (call_may_clobber_ref_p_1): Likewise.
6476         * tree-ssa-structalias.c (get_constraint_for_ptr_offset):
6477         Handle NULL_TREE offset.  Do not produce redundant constraints.
6478         (process_all_all_constraints): New helper function.
6479         (do_structure_copy): Use it.
6480         (handle_lhs_call): Likewise.
6481         (find_func_aliases): Handle some builtins with pointer arguments
6482         and/or return values explicitly.
6483
6484 2009-06-19  Ian Lance Taylor  <iant@google.com>
6485
6486         * varasm.c (const_rtx_hash_1): Remove const qualifier from shift.
6487
6488 2009-06-19  Ian Lance Taylor  <iant@google.com>
6489
6490         * rtl.h (SUBREG_PROMOTED_UNSIGNED_P): Add cast to int.
6491
6492 2009-06-19  Ian Lance Taylor  <iant@google.com>
6493
6494         * ggc-page.c (ggc_pch_write_object): Initialize emptyBytes.
6495         * sdbout.c (sdb_debug_hooks): Initialize non-SDB_DEBUGGING_INFO
6496         version.
6497
6498         * c-decl.c (finish_decl): If -Wc++-compat, warn about
6499         uninitialized const.
6500
6501 2009-06-19  Ian Lance Taylor  <iant@google.com>
6502
6503         * dse.c (struct store_info): Rename bitmap field to bmap.  Change
6504         all uses.
6505
6506         * c-decl.c (in_struct, struct_types): Remove.
6507         (struct c_binding): Add in_struct field.
6508         (c_binding_ptr): Define type, along with VEC.
6509         (struct c_struct_parse_info): Define.
6510         (struct_parse_info): New static variable.
6511         (bind): Initialize in_struct field.
6512         (start_struct): Remove enclosing_in_struct and
6513         enclosing_struct_types parameters.  Add
6514         enclosing_struct_parse_info parameter.  Change all callers.  Set
6515         struct_parse_info rather than in_struct and struct_types.
6516         (grokfield): If -Wc++-compat and there is a symbol binding for the
6517         field name, set the in_struct flag and push it on the
6518         struct_parse_info->fields vector.
6519         (warn_cxx_compat_finish_struct): New static function.
6520         (finish_struct): Remove enclosing_in_struct and
6521         enclosing_struct_types parameters.  Add
6522         enclosing_struct_parse_info parameter.  Change all callers.  Don't
6523         set C_TYPE_DEFINED_IN_STRUCT here.  Call
6524         warn_cxx_compat_finish_struct.  Free struct_parse_info and set to
6525         parameter.  Only push on struct_types if warn_cxx_compat.
6526         (finish_enum): Only push on struct_types if warn_cxx_compat.
6527         (declspecs_add_type): Add loc parameter.  Change all callers.
6528         Change all error calls to error_at.  Pass loc, not input_location,
6529         to pedwarn calls.  Warn if -Wc++-compat and a typedef name is
6530         defined in a struct.  If -Wc++-compat and parsing a struct, record
6531         that a typedef name was used.
6532         * c-parser.c (c_parser_declspecs): Get location to pass to
6533         declspecs_add_type.
6534         (c_parser_struct_or_union_specifier): Update calls to start_struct
6535         and finish_struct.
6536         * c-tree.h (struct c_struct_parse_info): Declare.
6537         (finish_struct, start_struct): Update declarations.
6538         (declspecs_add_type): Update declaration.
6539
6540 2009-06-19  Ian Lance Taylor  <iant@google.com>
6541
6542         * c-decl.c (grokdeclarator): If -Wc++-compat, warn about a global
6543         variable with an anonymous type.
6544
6545 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
6546
6547         * see.c: Remove for real.
6548
6549 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
6550
6551         * optabs.h (enum optab_index): Add new OTI_significand.
6552         (significand_optab): Define corresponding macro.
6553         * optabs.c (init_optabs): Initialize significand_optab.
6554         * genopinit.c (optabs): Implement significand_optab using
6555         significand?f2 patterns.
6556         * builtins.c (expand_builtin_mathfn): Handle
6557         BUILT_IN_SIGNIFICAND{,F,L}.
6558         (expand_builtin): Expand BUILT_IN_SIGNIFICAND{,F,L} using
6559         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
6560
6561         * config/i386/i386.md (significandxf2, significand<mode>2): New
6562         expanders to implement significandf, significand and significandl
6563         built-ins as inline x87 intrinsics.
6564
6565 2009-06-18  Anatoly Sokolov  <aesok@post.ru>
6566
6567         * config/avr/avr.c (avr_override_options): Remove setting value of
6568         PARAM_INLINE_CALL_COST.
6569
6570 2009-06-18  Richard Henderson  <rth@redhat.com>
6571
6572         PR 40488
6573         * tree-pass.h (TDF_ASMNAME): New.
6574         * tree-dump.c (dump_options): Add asmname.
6575         * doc/invoke.texi: Document it.
6576
6577         * tree-pretty-print.c (maybe_dump_asm_name): Merge into...
6578         (dump_decl_name): ...here.
6579         (dump_function_name): New flags arg; mind TDF_ASMNAME.
6580         (dump_generic_node): Update dump_function_name calls.
6581         (print_call_name): New flags arg; update all dump calls.
6582         * diagnostic.h (print_call_name): Update.
6583         * gimple-pretty-print.c (dump_gimple_call): Update.
6584
6585 2009-06-18  H.J. Lu  <hongjiu.lu@intel.com>
6586
6587         PR target/40470
6588         * config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Add SSE_FIRST_REG.
6589
6590 2009-06-18  Diego Novillo  <dnovillo@google.com>
6591
6592         * doc/plugins.texi: Document plugin_is_GPL_compatible.
6593         * plugin.c (str_license): Declare.
6594         (try_init_one_plugin): Assert that the symbol
6595         'plugin_is_GPL_compatible' exists.
6596
6597 2009-06-18  Sergei Dyshel  <sergeid@il.ibm.com>
6598
6599         * see.c: Remove.
6600         * Makefile.in (OBJS-common): Remove see.o.
6601         (see.o): Remove.
6602         * common.opt (fsee): Mark as preserved for backward compatibility.
6603         * opts.c (common_handle_option): Add OPT_fsee to the backward
6604         compatibility section.
6605         * passes.c (init_optimization_passes, pass_see): Remove pass.
6606         * timevar.def (TV_SEE): Remove.
6607         * tree-pass.h (pass_see): Remove declaration.
6608         * doc/invoke.texi (-fsee): Remove documentation.
6609
6610 2009-06-18  Martin Jambor  <mjambor@suse.cz>
6611
6612         * tree-sra.c: Include statistics.h
6613         (sra_stats): New variable.
6614         (sra_initialize): Clear sra_stats.
6615         (create_access_replacement): Increment sra_stats.replacements.
6616         (get_access_replacement): Do not return twice.
6617         (analyze_all_variable_accesses): Increment statistics counter by the
6618         number of scalarized aggregates.
6619         (generate_subtree_copies): Increment sra_stats.subtree_copies.
6620         (sra_modify_expr): Increment sra_stats.exprs.
6621         (load_assign_lhs_subreplacements): Increment sra_stats.subreplacements.
6622         (sra_modify_assign): Increment sra_stats.exprs,
6623         sra_stats.separate_lhs_rhs_handling and sra_stats.deleted.
6624         (perform_intra_sra): Update statistics counters.
6625         * Makefile.in (tree-sra.o): Add statistics.h to dependencies.
6626
6627 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
6628
6629         * config/arm/arm.c (TARGET_SCALAR_MODE_SUPPORTED_P): Redefine.
6630         (arm_scalar_mode_supported_p): New function.
6631
6632 2009-06-18  Paul Brook  <paul@codesourcery.com>
6633             Sandra Loosemore  <sandra@codesourcery.com>
6634
6635         * config/arm/sfp-machine.h (_FP_NANFRAC_H, _FP_NANSIGN_H): Define.
6636         (__extendhfsf2, __truncsfhf2): Define.
6637         * config/arm/fp16.c: New file.
6638         * config/arm/t-bpabi (LIB2FUNCS_STATIC_EXTRA): Add fp16.c.
6639         * config/arm/t-symbian (LIB2FUNCS_STATIC_EXTRA):  Add fp16.c.
6640
6641 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
6642
6643         * doc/extend.texi (Half-Precision): New section.
6644         * doc/invoke.texi (Option Summary): List -mfp16-format.
6645         (ARM Options): List neon-fp16 as -mfpu value.  Document -mfp16-format.
6646         * config/arm/arm.opt (mfp16-format=): New.
6647         * config/arm/arm.c: Include intl.h.
6648         (TARGET_INVALID_PARAMETER_TYPE): Redefine.
6649         (TARGET_INVALID_RETURN_TYPE): Redefine.
6650         (TARGET_PROMOTED_TYPE): Redefine.
6651         (TARGET_CONVERT_TO_TYPE): Redefine.
6652         (arm_fp16_format): Define.
6653         (all_fpus): Add entry for neon-fp16.
6654         (fp_model_for_fpu): Likewise.
6655         (struct fp16_format): Declare.
6656         (all_fp16_formats): Define.
6657         (arm_init_libfuncs): Add entries for HFmode conversions and arithmetic
6658         functions.
6659         (arm_override_options): Set arm_fp16_format. Call sorry for fp16
6660         and no ldrh.
6661         (arm_legitimate_index_p): Treat HFmode like HImode.
6662         (thumb1_legitimate_address_p): Make it recognize HFmode constants.
6663         (coproc_secondary_reload_class): Special-case HFmode.
6664         (arm_print_operand): Add 'z' specifier for vld1.16/vst1.16.
6665         (arm_hard_regno_mode_ok): Allow HFmode values in VFP registers.
6666         (arm_init_fp16_builtins): New.
6667         (arm_init_builtins): Call it.
6668         (arm_invalid_parameter_type): New.
6669         (arm_invalid_return_type): New.
6670         (arm_promoted_type): New.
6671         (arm_convert_to_type).
6672         (arm_file_start): Deal with neon-fp16 as fpu_name.  Emit tag for fp16
6673         format.
6674         (arm_emit_fp16_const): New function.
6675         (arm_mangle_type): Mangle __fp16 as "Dh".
6676         * config/arm/arm.h (TARGET_VFPD32): Make it know about
6677         FPUTYPE_NEON_FP16.
6678         (TARGET_NEON_FP16): New.
6679         (TARGET_NEON): Make it know about FPUTYPE_NEON_FP16.
6680         (enum fputype): Add FPUTYPE_NEON_FP16.
6681         (enum arm_fp16_format_type): Declare.
6682         (arm_fp16_format): Declare.
6683         (LARGEST_EXPONENT_IS_NORMAL): Define.
6684         * config/arm/arm-protos.h (arm_emit_fp16_const): Declare.
6685         * config/arm/arm-modes.def (HFmode): Define.
6686         * config/arm/vfp.md: (*movhf_vfp): New.
6687         (extendhfsf2): New.
6688         (truncsfhf2): New.
6689         * config/arm/arm.md: (fpu): Add neon_fp16.
6690         (floatsihf2, floatdihf2): New.
6691         (fix_trunchfsi2, fix_trunchfdi2): New.
6692         (truncdfhf2): New.
6693         (extendhfdf2): New.
6694         (movhf): New.
6695         (*arm32_movhf): New.
6696         (*thumb1_movhf): New.
6697         (consttable_2): Add check for HFmode constants.
6698         (consttable_4): Handle HFmode constants.
6699
6700 2009-06-18  Uros Bizjak  <ubizjak@gmail.com>
6701
6702         * convert.c (convert_to_integer): Convert (int)logb() into ilogb().
6703
6704 2009-06-17  Olivier Hainque  <hainque@adacore.com>
6705
6706         * collect2.c (main): Use CONST_CAST2 to perform char ** to
6707         const char ** conversion in AIX specific section.
6708
6709 2009-06-17  H.J. Lu  <hongjiu.lu@intel.com>
6710
6711         * config/i386/i386.c (ix86_special_builtin_type): Remove
6712         UINT64_FTYPE_PINT.  Add UINT64_FTYPE_PUNSIGNED.
6713         (bdesc_special_args): Updated.
6714         (ix86_init_mmx_sse_builtins): Likewise.
6715         (ix86_expand_special_args_builtin): Likewise.
6716
6717 2009-06-17  Richard Henderson  <rth@redhat.com>
6718
6719         * tree-pretty-print.c (maybe_dump_asm_name): New.
6720         (dump_decl_name): Use it.
6721         (PRINT_FUNCTION_NAME): Merge into...
6722         (dump_function_name): ... here.  Use maybe_dump_asm_name.
6723
6724 2009-06-17  Cary Coutant  <ccoutant@google.com>
6725
6726         * dbxout.c (dbxout_source_line): Add is_stmt parameter.
6727         Change caller.
6728         * debug.c (struct gcc_debug_hooks): Change placeholder for
6729         source_line hook.
6730         (debug_nothing_int_charstar_int): Replaced by...
6731         (debug_nothing_int_charstar_int_bool): ...this.
6732         * debug.h (struct gcc_debug_hooks): Add is_stmt parameter to
6733         source_line prototype.
6734         (debug_nothing_int_charstar_int): Replaced by...
6735         (debug_nothing_int_charstar_int_bool): ...this.
6736         * defaults.h (SUPPORTS_DISCRIMINATOR): New constant.
6737         * dwarf2out.c (dwarf2out_source_line): Add is_stmt parameter.
6738         Output is_stmt operand when necessary.
6739         * final.c (final_scan_insn): Pass is_stmt to source_line debug hook.
6740         (notice_source_line): Add is_stmt parameter.
6741         * sdbout.c (sdbout_source_line): Add is_stmt parameter.
6742         * vmsdbgout.c (vmsdbgout_source_line): Add is_stmt parameter.
6743         Change callers.
6744         * xcoffout.c (xcoffout_source_line): Add is_stmt parameter.
6745         * xcoffout.h (xcoffout_source_line): Add is_stmt parameter.
6746
6747 2009-06-17  Ian Lance Taylor  <iant@google.com>
6748
6749         * expr.c (struct move_by_pieces_d): Rename from move_by_pieces.
6750         Change all uses.
6751         (struct store_by_pieces_d): Rename from store_by_pieces.  Change
6752         call uses.
6753
6754 2009-06-17  Adam Nemet  <anemet@caviumnetworks.com>
6755
6756         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS,
6757         STRIP_USELESS_TYPE_CONVERSION): Use tree_strip_nop_conversions,
6758         tree_strip_sign_nop_conversions and
6759         tree_ssa_strip_useless_type_conversions rather than stripping
6760         the operations here.
6761         (tree_strip_nop_conversions, tree_strip_sign_nop_conversions):
6762         Declare them.
6763         * gimple.h (tree_ssa_strip_useless_type_conversions): Declare it.
6764         * tree-ssa.c (tree_ssa_strip_useless_type_conversions): New function.
6765         * tree.c (tree_nop_conversion, tree_sign_nop_conversion,
6766         tree_strip_nop_conversions, tree_strip_sign_nop_conversions): New
6767         functions.
6768
6769 2009-06-17  Michael Eager  <eager@eagercon.com>
6770
6771         * config/rs6000/constraints.md (register_constraint "d"): New.
6772         * config/rs6000/dfp.md (movsd_store, extendsddd2, extendsdtd2,
6773         truncddsd2, *negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
6774         *movdd_hardfloat32, *movdd_hardfloat64_mfpgpr, *movdd_hardfloat64,
6775         *negtd2_fp, *abstd2_fpr, *nabstd2_fpr, *movtd_internal, extendddtd2,
6776         trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
6777         divtd3, *cmpdd_internal1, *cmptd_internal1, floatditd2, ftruncdd2,
6778         fixdddi2, ftrunctd2, fixtddi2): replace 'f' constraint with 'd'
6779         * config/rs6000/ppu_intrinsics.h (__mffs, __mtfsf, __mtfsfi, __fabs,
6780         __fnabs, __fmadd, __fmsub, __fnmadd, __fnmsub, __fsel, __frsqrte,
6781         __fsqrt, __fmul, __fmuls, __frsp, __fcfid, __fctid, __fctidz, __fctiw,
6782         __fctiwz): Same.
6783         * config/rs6000/rs6000.md (*extendsfdf2_fpr, *truncdfsf2_fpr,
6784         *fseldfsf4, *negdf2_fpr, *absdf2_fpr, *nabsdf2_fpr, *adddf3_fpr,
6785         *subdf3_fpr, *muldf3_fpr, *divdf3_fpr, recipdf3, fred, sqrtdf2,
6786         *fseldfdf4, *fselsfdf4, *floatsidf2_internal, *floatunssidf2_internal,
6787         *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
6788         fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2, rounddf2,
6789         stfiwx, floatdidf2, fix_truncdfdi2, floatdisf2_internal1,
6790         *movdf_hardfloat32, *movdf_hardfloat64_mfpgpr, *movdf_hardfloat64,
6791         *movtf_internal, *extenddftf2_internal, trunctfdf2_internal1,
6792         trunctfdf2_internal2, trunctfsf2_fprs, fix_trunc_helper,
6793         *fix_trunctfsi2_internal, negtf2_internal, *movdi_internal32,
6794         *movdi_mfpgpr, *movdi_internal64, *movdf_update1, *movdf_update2,
6795         *cmpdf_internal1, *cmptf_internal1, *cmptf_internal2): Same.
6796         * doc/md.texi: Describe PowerPC 'd' constraint, update 'f' constraint.
6797
6798 2009-06-16  Ian Lance Taylor  <iant@google.com>
6799
6800         * profile.c (total_num_never_executed): Don't define.
6801         (compute_branch_probabilities): Don't count or print
6802         num_never_executed.
6803         (init_branch_prob): Don't set total_num_never_executed.
6804         (end_branch_prob): Don't print total_num_never_executed.
6805
6806 2009-06-17  David Daney  <ddaney@caviumnetworks.com>
6807
6808         * jump.c (cleanup_barriers): Handle case of no insns before a barrier.
6809
6810 2009-06-17  David Edelsohn  <edelsohn@gnu.org>
6811
6812         * config/rs6000/dfp.md (nabsdd2_fpr): Correct mode.
6813         (nabstd2_fpr): Same.
6814
6815 2009-06-17  Steve Ellcey  <sje@cup.hp.com>
6816
6817         * expr.c (expand_assignment): Change complex type check.
6818
6819 2009-06-17  Basile Starynkevitch  <basile@starynkevitch.net>
6820
6821         * doc/plugins.texi (Building GCC plugins): Added new section.
6822
6823 2009-06-17  Ian Lance Taylor  <iant@google.com>
6824
6825         * c-pch.c (get_ident): Don't set size of templ array.
6826         (pch_init): Don't set size of partial_pch array.
6827
6828         * c-typeck.c (digest_init): If -Wc++-compat, warn about using a
6829         string constant to intialize an array whose size is the length of
6830         the string.
6831
6832 2009-06-17  Richard Guenther  <rguenther@suse.de>
6833
6834         PR tree-optimization/40389
6835         * tree-ssa-structalias.c (handle_rhs_call): Restrict NRV case
6836         to addressable types.
6837         * gimple.c (walk_stmt_load_store_addr_ops): Likewise.
6838
6839 2009-06-17  Richard Guenther  <rguenther@suse.de>
6840
6841         PR middle-end/40460
6842         * tree-chrec.h (build_polynomial_chrec): If we cannot determine
6843         if there is no evolution of left in the loop bail out.
6844         * tree-chrec.c (chrec_fold_multiply_poly_poly): CSE one
6845         chrec_fold_multiply.
6846
6847 2009-06-16  J"orn Rennecke  <joern.rennecke@arc.com>
6848             Janis Johnson  <janis187@us.ibm.com>
6849
6850         PR target/39254
6851         * config/rs6000/rs6000.c (rs6000_emit_move): Don't emit a USE
6852         for the symbol ref of a constant that is the source of a move
6853         - nor for any other not-obvious-label-ref constants.
6854
6855 2009-06-16  Olatunji Ruwase  <tjruwase@google.com>
6856
6857         * plugin.c (position_pass): Skip newly inserted pass during list
6858         traversal to avoid repeated insertion.
6859
6860 2009-06-16  Ian Lance Taylor  <iant@google.com>
6861
6862         * vec.h (VEC_stack_alloc): Define different version if
6863         GATHER_STATISTICS is defined, to accept and ignore MEM_STAT.
6864         (DEF_VEC_ALLOC_FUNC_P_STACK): Remove MEM_STAT_DECL.
6865         (DEF_VEC_ALLOC_FUNC_O_STACK): Likewise.
6866         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6867
6868 2009-06-16  H.J. Lu  <hongjiu.lu@intel.com>
6869
6870         * config.gcc (extra_headers): Add ia32intrin.h for x86.
6871
6872         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_BSRSI,
6873         IX86_BUILTIN_BSRDI.  IX86_BUILTIN_RDPMC, IX86_BUILTIN_RDTSC.
6874         IX86_BUILTIN_RDTSCP.  IX86_BUILTIN_ROLQI, IX86_BUILTIN_ROLHI,
6875         IX86_BUILTIN_RORQI and IX86_BUILTIN_RORHI.
6876         (ix86_special_builtin_type): Add UINT64_FTYPE_VOID,
6877         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
6878         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
6879         (bdesc_special_args): Add __builtin_ia32_rdtsc and
6880         __builtin_ia32_rdtscp.
6881         (bdesc_args): Add __builtin_ia32_bsrsi, __builtin_ia32_bsrdi,
6882         __builtin_ia32_rolqi, __builtin_ia32_rolhi, __builtin_ia32_rorqi
6883         and __builtin_ia32_rorhi.
6884         (ix86_init_mmx_sse_builtins): Handle UINT64_FTYPE_VOID,
6885         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
6886         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
6887         (ix86_expand_args_builtin): Likewise.
6888         (ix86_expand_special_args_builtin): Likewise.
6889
6890         * config/i386/i386.md (UNSPECV_RDTSCP): New.
6891         (UNSPECV_RDTSC): Likewise.
6892         (UNSPECV_RDPMC): Likewise.
6893         (*bsr): Renamed to ...
6894         (bsr): This
6895         (*bsr_rex64): Renamed to ...
6896         (bsr_rex64): This.
6897         (rdpmc): New.
6898         (*rdpmc): Likewise.
6899         (*rdpmc_rex64): Likewise.
6900         (rdtsc): Likewise.
6901         (*rdtsc): Likewise.
6902         (*rdtsc_rex64): Likewise.
6903         (rdtscp): Likewise.
6904         (*rdtscp): Likewise.
6905         (*rdtscp_rex64): Likewise.
6906
6907         * config/i386/ia32intrin.h: New.
6908
6909         * config/i386/x86intrin.h: Include <ia32intrin.h>.
6910
6911 2009-06-16  Ian Lance Taylor  <iant@google.com>
6912
6913         * ira-build.c (copy_info_to_removed_store_destinations):
6914         Initialize parent_a.
6915
6916 2009-06-16  Ian Lance Taylor  <iant@google.com>
6917
6918         * c-decl.c (grokdeclarator): Change size_varies to bool.
6919
6920 2009-06-16  Ian Lance Taylor  <iant@google.com>
6921
6922         * sel-sched.c: Make forward declarations of move_op_hooks and
6923         fur_hooks explicitly extern.
6924
6925 2009-06-16  Ian Lance Taylor  <iant@google.com>
6926
6927         * df-problems.c (df_byte_lr_alloc): Don't set problem_data to itself.
6928         * vec.c (vec_gc_o_reserve_1): Don't set alloc to itself.
6929
6930 2009-06-16  Ian Lance Taylor  <iant@google.com>
6931
6932         * resource.c (mark_referenced_resources): Change
6933         include_delayed_effects parameter to bool.  Change all callers.
6934         (mark_end_of_function_resources): Likewise.
6935         * reorg.c (insn_references_resource_p): Likewise.
6936         (insn_sets_resource_p): Likewise.
6937         * resource.h (mark_referenced_resources): Update declaration.
6938         (mark_end_of_function_resources): Update declaration.
6939
6940 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
6941
6942         * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove -lstdc++.
6943
6944 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
6945
6946         * doc/install.texi (*-*-aix): Update explanation of XLC bootstrap.
6947         GCC can bootstrap on AIX with GNU Binutils 2.20.
6948
6949 2009-06-16  Ian Lance Taylor  <iant@google.com>
6950
6951         * Makefile.in (tree-vect-stmts.o): Depend upon $(TOPLEV_H).
6952
6953 2009-06-16  Ian Lance Taylor  <iant@google.com>
6954
6955         * toplev.h (floor_log2): If GCC_VERSION >= 3004, declare as static
6956         inline, not extern inline.
6957         (exact_log2): Likewise.
6958         * toplev.c (floor_log2): Only define if GCC_VERSION < 3004. Don't
6959         test CLZ_HWI.
6960         (exact_log2): Likewise, but don't test CTZ_HWI.
6961
6962 2009-06-16  Ian Lance Taylor  <iant@google.com>
6963
6964         * bitmap.c (bitmap_clear): Don't declare as inline.
6965         * gimple.c (gimplify_assign): Likewise.
6966         * tree-ssa-sccvn.c (vn_nary_op_compute_hash): Likewise.
6967         * haifa-sched.c (insn_cost): Don't declare with HAIFA_INLINE.
6968         (sched_scan_info): Remove duplicate definition.
6969
6970 2009-06-16  Ian Lance Taylor  <iant@google.com>
6971
6972         * c-common.c (skip_evaluation): Don't define.
6973         (c_inhibit_evaluation_warnings): Define global variable.
6974         (overflow_warning): Check c_inhibit_evaluation_warnings rather
6975         than skip_evaluation.
6976         (convert_and_check, warn_for_div_by_zero): Likewise.
6977         * c-common.h (skip_evaluation): Don't declare.
6978         (c_inhibit_evaluation_warnings): Declare.
6979         * c-parser.c (c_parser_typeof_specifier): Set
6980         c_inhibit_evaluation_warnings rather than skip_evaluation.
6981         (c_parser_conditional_expression): Likewise.
6982         (c_parser_binary_expression): Likewise.
6983         (c_parser_sizeof_expression): Likewise.
6984         (c_parser_alignof_expression): Likewise.
6985         * c-typeck.c (build_indirect_ref): Check
6986         c_inhibit_evaluation_warnings rather than skip_evaluation.
6987         (build_conditional_expr, build_binary_op): Likewise.
6988
6989 2009-06-16  Richard Guenther  <rguenther@suse.de>
6990
6991         * tree-ssa-alias.c (is_escape_site): Remove.
6992         * tree-ssa-alias.h (enum escape_type): Remove.
6993         (is_escape_site): Likewise.
6994         * tree-ssa-structalias.c (find_func_aliases): Handle escapes
6995         via casts and asms without deferring to is_escape_site.
6996
6997 2009-06-16  Jakub Jelinek  <jakub@redhat.com>
6998
6999         PR middle-end/40446
7000         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't
7001         use gen_lowpart if op0 has complex mode.
7002
7003 2009-06-16  Richard Guenther  <rguenther@suse.de>
7004
7005         * tree-ssa-structalias.c (do_ds_constraint): Stores in global
7006         variables add them to ESCAPED.
7007         (find_func_aliases): Do not make all indirectly stored values escaped.
7008
7009 2009-06-16  Rafael Avila de Espindola  <espindola@google.com>
7010
7011         * config/i386/winnt.c (i386_pe_encode_section_info): Update call to
7012         make_decl_one_only.
7013
7014 2009-06-16  Martin Jambor  <mjambor@suse.cz>
7015
7016         PR tree-optimization/40432
7017         * tree-sra.c (sra_modify_assign): When creating VIEW_CONVERT_EXPR,
7018         check whether we need to force gimple register operand.
7019
7020 2009-06-16  Martin Jambor  <mjambor@suse.cz>
7021
7022         PR tree-optimization/40413
7023         * tree-sra.c (load_assign_lhs_subreplacements): Pass offset to
7024         build_ref_for_offset.
7025         (propagate_subacesses_accross_link): Fix a typo in a comment.
7026
7027 2009-06-16  Ira Rosen  <irar@il.ibm.com>
7028
7029         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
7030         with additional parameter.
7031         * tree-vectorizer.h (enum vect_def_type): Add new value
7032         vect_nested_cycle.
7033         (enum vect_relevant): Add comments.
7034         (vect_is_simple_reduction): Add new argument.
7035         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Add comments.
7036         Detect nested cycles.
7037         (vect_is_simple_reduction): Update documentation, add an argument to
7038         distinguish inner-loop reduction from nested cycle, detect nested
7039         cycles, fix printings and indentation, don't swap operands in case
7040         of nested cycle.
7041         (get_initial_def_for_reduction): Handle subtraction.
7042         (vect_create_epilog_for_reduction): Add new argument to specify
7043         reduction variable.
7044         (vect_finalize_reduction): Handle subtraction, fix comments.
7045         (vectorizable_reduction): Handle nested cycles. In case of nested
7046         cycle keep track of the reduction variable position. Call
7047         vect_is_simple_reduction with additional parameter. Use original
7048         statement code in reduction epilogue for nested cycle. Call
7049         vect_create_epilog_for_reduction with additional parameter.
7050         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Assert
7051         inner-loop vectorization.
7052         (vect_recog_widen_sum_pattern): Likewise.
7053         * tree-vect-stmts.c (process_use): Distinguish between nested cycles
7054         and reductions.
7055         (vect_mark_stmts_to_be_vectorized): Likewise.
7056         (vect_get_vec_def_for_operand): Handle nested cycles.
7057
7058 2009-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7059
7060         * doc/invoke.texi (Debugging Options): Fix option index entries
7061         for -fdump-statistics, -frandom-seed add entries for
7062         -fdump-tree-original, -fdump-tree-optimized, -frandom-seed.
7063         (FRV Options): Fix entries for -mTLS, -mtls.
7064         (HPPA Options): Fix entries for -mgnu-ld, -mhp-ld.
7065         (i386 and x86-64 Options): Fix entry for -mno-red-zone.
7066         (M68hc1x Options): Fix @itemx for -mnominmax.
7067         (MCore Options): Fix entry for -mno-lsim.
7068         (MMIX Options): Fix entry for -mabi=mmixware.
7069         (PDP-11 Options): Fix entry for -mbcopy-builtin.
7070
7071 2009-06-16  Basile Starynkevitch  <basile@starynkevitch.net>
7072
7073         * doc/plugins.texi (Interacting with the GCC Garbage Collector):
7074         Mention the plugin mode of gengtype.
7075         * doc/gty.texi (Source Files Containing Type Information): Likewise.
7076         * gengtype.c: Updated copyright.
7077         (plugin_files, nb_plugin_files) Added new static variables.
7078         (measure_input_list) Care about plugin_files.
7079         (write_rtx_next): Added early return in plugin mode.
7080         (create_file): Updated copyright year in generated file. Added
7081         asserts.
7082         (oprintf): Added early return if NULL outf.
7083         (get_output_file_with_visibility): Care of plugin_files.
7084         (get_output_file_name): May return null.
7085         (write_local): Added early return.
7086         (put_mangled_filename): Ditto.
7087         (finish_root_table): Added check for base_files.
7088         (write_roots): Care about null when plugins.
7089         (main): Added plugin mode.
7090
7091 2009-06-15  Ian Lance Taylor  <iant@google.com>
7092
7093         * df-problems.c (df_simulate_one_insn_forwards): Fix braces in switch.
7094         * gcov.c (read_count_file): Add braces around variables declared
7095         before label.
7096
7097         * c.opt (Wjump-misses-init): New warning.
7098         * c-opts.c (c_common_handle_option): Set warn_jump_misses_init for
7099         -Wall and -Wc++-compat if not already set.
7100         (c_common_post_options): Clear warn_jump_misses_init if it was not
7101         set.
7102         * c-decl.c (struct c_binding): Change type field to a union with
7103         new label field.  Make it the first field in the struct.  Update
7104         references to type to use u.type instead.
7105         (struct c_spot_bindings): Define.
7106         (struct c_goto_bindings): Define.
7107         (c_goto_bindings_p): Define, along with VECs.
7108         (struct c_label_vars): Define.
7109         (struct c_scope): Add has_label_bindings field.
7110         (bind_label, set_spot_bindings): New static functions.
7111         (decl_jump_unsafe, update_spot_bindings): New static functions.
7112         (update_label_decls): New static function.
7113         (pop_scope): Call update_label_decls.  Don't call c_end_vm_scope.
7114         Update binding u.label field to shadowed field.
7115         (c_binding_start_stmt_expr): New function.
7116         (c_binding_end_stmt_expr): New function.
7117         (pushdecl): Don't call c_begin_vm_scope.
7118         (make_label): Add defining and p_label_vars parameters.  Change
7119         all callers.
7120         (lookup_label): Correct test for whether a label has not yet been
7121         defined.  Call bind_label rather than bind.
7122         (warn_about_goto): New static function.
7123         (lookup_label_for_goto): New function.
7124         (declare_label): Call bind_label rather than bind.
7125         (check_earlier_gotos): New static function.
7126         (define_label): Don't give errors about jumping into statement
7127         expressions or scopes of variably modified types.  Call
7128         set_spot_bindings and check_earlier_gotos.  Call bind_label
7129         instead of bind.  Don't set label_context_stack_se or
7130         label_context_stack_vm.
7131         (c_get_switch_bindings): New function.
7132         (c_release_switch_bindings): New function.
7133         (c_check_switch_jump_warnings): New function.
7134         (start_function): Don't set label_context_stack_se or
7135         label_context_stack_vm.
7136         (finish_function): Likewise.
7137         * c-typeck.c (label_context_stack_se): Don't define.
7138         (label_context_stack_vm): Don't define.
7139         (c_finish_goto_label): Call lookup_label_for_goto rather than
7140         lookup_label.  Don't give errors about jumping into a statement
7141         expression or the scope of a variably modified type.  Don't set
7142         label_context_stack_se or label_context_stack_vm.
7143         (struct c_switch): Remove blocked_stmt_expr and blocked_vm
7144         fields.  Add bindings field.
7145         (c_start_case): Don't set deleted fields.  Set bindings field.
7146         (do_case): Rework order of tests.  Don't check blocked_stmt_expr
7147         or blocked_vm.  Call c_check_switch_jump_warnings.
7148         (c_finish_case): Don't test blocked_stmt_expr field.  Call
7149         c_release_switch_bindings.
7150         (c_begin_stmt_expr): Don't increment blocked_stmt_expr in
7151         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
7152         set label_context_stack_se.  Call c_bindings_start_stmt_expr.
7153         (c_finish_stmt_expr): Don't decrement blocked_stmt_expr in
7154         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
7155         set label_context_stack_se.  Call c_bindings_end_stmt_expr.
7156         (c_begin_vm_scope, c_end_vm_scope): Don't define.
7157         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR): Don't define.
7158         (C_DECL_UNDEFINABLE_STMT_EXPR): Don't define.
7159         (C_DECL_UNJUMPABLE_VM): Don't define.
7160         (C_DECL_UNDEFINABLE_VM): Don't define.
7161         (struct c_label_list): Don't define.
7162         (struct c_label_context_se): Don't define.
7163         (struct c_label_context_vm): Don't define.
7164         (struct c_spot_bindings): Declare.
7165         (c_bindings_start_stmt_expr): Declare.
7166         (c_bindings_end_stmt_expr): Declare.
7167         (lookup_label_for_goto): Declare.
7168         (c_get_switch_bindings, c_release_switch_bindings): Declare.
7169         (c_check_switch_jump_warnings): Declare.
7170         (label_context_stack_se, label_context_stack_vm): Don't declare.
7171         (c_finish_goto_label): Update declaration.
7172         (c_begin_vm_scope, c_end_vm_scope): Don't declare.
7173         * doc/invoke.texi (Option Summary): Mention -Wjump-misses-init.
7174         (Warning Options): Document -Wjump-misses-init.
7175
7176 2009-06-15  Jakub Jelinek  <jakub@redhat.com>
7177
7178         * tree-object-size.c (addr_object_size): Fix a pasto in the last
7179         change.
7180
7181 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
7182
7183         * cgraph.c (cgraph_make_node_local): Use DECL_COMDAT_GROUP.
7184
7185 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
7186
7187         * except.c (init_eh): Use BUILTINS_LOCATION when calling build_decl.
7188
7189 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
7190
7191         * tree-eh.c (lower_try_finally_switch): Initialize tf_loc.
7192
7193 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
7194
7195         * cgraphunit.c (cgraph_function_versioning,save_inline_function_body):
7196         Use DECL_COMDAT_GROUP instead of DECL_ONE_ONLY.
7197         * cgraph.c (cgraph_create_virtual_clone): Use DECL_COMDAT_GROUP.
7198         * config/i386/i386.c (ix86_file_end): Compute DECL_COMDAT_GROUP.
7199         * dwarf2asm.c (dw2_force_const_mem): Update call to
7200         make_decl_one_only.
7201         * langhooks-def.h (lhd_comdat_group, LANG_HOOKS_COMDAT_GROUP): Remove.
7202         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_COMDAT_GROUP.
7203         * langhooks.c (lhd_comdat_group): Remove.
7204         * langhooks.h (lang_hooks_for_decls): Remove comdat_group.
7205         * tree.h (DECL_COMDAT_GROUP): New.
7206         (DECL_ONE_ONLY): Use DECL_COMDAT_GROUP.
7207         (tree_decl_with_vis): Add comdat_group. Remove one_only.
7208         (make_decl_one_only): Change signature.
7209         * varasm.c (get_emutls_init_templ_addr, emutls_decl): Update call to
7210         make_decl_one_only.
7211         (make_decl_one_only): Change signature.
7212         (default_elf_asm_named_section): Use DECL_COMDAT_GROUP.
7213
7214 2009-06-15  Richard Guenther  <rguenther@suse.de>
7215
7216         PR middle-end/40439
7217         * tree.c (widest_int_cst_value): Fix bootstrap on 32bit HWI hosts.
7218
7219 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7220
7221         * tree-ssa-math-opts.c: Remove extra divide.
7222
7223 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7224
7225         * config/s390/s390.md ("bswap<mode>2"): Only available on z900.
7226
7227 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7228
7229         * passes.c: Add bswap pass.
7230         * tree-pass.h: Add pass_optimize_bswap declaration.
7231         * tree-ssa-math-opts.c: Include diagnostics.h for print_gimple_stmt.
7232         Include rtl.h, expr.h and optabs.h for optab_handler check.
7233         (struct symbolic_number, pass_optimize_bswap): New definition.
7234         (do_shift_rotate, verify_symbolic_number_p): New functions.
7235         (find_bswap_1, find_bswap, execute_optimize_bswap): New functions.
7236         (gate_optimize_bswap): New function.
7237         * tree.c (widest_int_cst_value): New function.
7238         * tree.h (widest_int_cst_value): Prototype added.
7239
7240 2009-06-14  Steven Bosscher  <steven@gcc.gnu.org>
7241
7242         * cfgcleanup.c (old_insns_match_p): Remove code to substitute
7243         REG_EQUAL/REG_EQUIV notes.
7244
7245 2009-06-14  Richard Guenther  <rguenther@suse.de>
7246
7247         PR middle-end/40389
7248         * gimple.c (walk_stmt_load_store_addr_ops): The LHS of a call
7249         has its address taken if NRV was applied and it is addressable.
7250         * tree-ssa-structalias.c (get_constraint_for_address_of): New
7251         function split out from ...
7252         (get_constraint_for_1): ... here.
7253         (handle_rhs_call): Use it to mark the return slot escaped if
7254         it is addressable and NRV was applied.
7255
7256 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
7257
7258         * config/rs6000/rs6000-protos.h (altivec_resolve_overloaded_builtin):
7259         Change first argument type to location_t.
7260         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Same.
7261         Do not set input_location.
7262         Use loc instead of input_location throughout.
7263
7264 2009-06-13  Richard Guenther  <rguenther@suse.de>
7265
7266         PR tree-optimization/40421
7267         * tree-predcom.c (should_unroll_loop_p): Remove.
7268         (tree_predictive_commoning_loop): Use can_unroll_loop_p.
7269
7270 2009-06-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
7271
7272         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
7273         Add location argument.
7274
7275 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
7276
7277         * config/alpha/alpha.c (alpha_build_builtin_va_list): Pass location to
7278         build_decl.
7279         * config/s390/s390.c (s390_build_builtin_va_list): Same.
7280         (s390_gimplify_va_arg): Pass location to create_artificial_label.
7281         * config/spu/spu-protos.h: Add location to
7282         spu_resolve_overloaded_builtin.
7283         * config/spu/spu.c (spu_build_builtin_va_list): Pass location to
7284         spu_build_builtin_va_list.
7285         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Add location
7286         argument.  Pass location to build_function_call_vec.
7287         * config/sh/sh.c (sh_build_builtin_va_list): Pass location to
7288         build_decl.
7289         (emit_fpu_switch): Same.
7290         (sh_gimplify_va_arg_expr): Pass location to create_artificial_label.
7291         * config/xtensa/xtensa.c (xtensa_build_builtin_va_list): Pass location
7292         to build_decl and create_artificial_label.
7293         (xtensa_gimplify_va_arg_expr): Same.
7294         * config/stormy16/stormy16.c (xstormy16_build_builtin_va_list): Same.
7295         (xstormy16_gimplify_va_arg_expr): Same.
7296         * config/iq2000/iq2000.c (iq2000_expand_prologue): Same.
7297         * config/arm/arm.c (arm_build_builtin_va_list): Same.
7298         * config/mips/mips.c (mips_build_builtin_va_list): Same.
7299         (mips16_build_function_stub): Same.
7300         (mips16_build_call_stub): Same.
7301
7302 2009-06-13  Richard Earnshaw  <rearnsha@arm.com>
7303
7304         PR target/40327
7305         * arm/constraints.md (Pa, Pb): New constraints.
7306         * arm/arm.md (thumb1_addsi3): Support more complex additions.  Add a
7307         split pattern to deal with them.
7308
7309 2009-06-13  Joerg Sonnenberger  <joerg@britannica.bec.de>
7310
7311         * doc/invoke.texi: Add missing option -Wp,OPTION in list,
7312         fix index entry for -Xpreprocessor.
7313
7314 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
7315
7316         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
7317         Add location argument to build_decl call.
7318         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Same.
7319         (rs6000_init_builtins): Same.
7320         (spe_init_builtins): Same.
7321         (rs6000_gimplify_va_arg): Add location argument to
7322         create_artificial_label call.
7323
7324 2009-06-12  Steven Bosscher  <steven@gcc.gnu.org>
7325
7326         * timevar.def (TV_COMBINE_STACK_ADJUST): New timevar.
7327         * combine-stack-adj.c (pass_stack_adjustments): Use it.
7328         * Makefile.in: Fix GGC dependency for gcse.o.
7329
7330 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
7331
7332         * tree-pretty-print.c (dump_generic_node): Dump column numbers.
7333         * gimple-pretty-print.c (dump_gimple_stmt): Same.
7334         * gimplify.c (gimplify_modify_expr): Set location for GIMPLE_ASSIGNs
7335         created.
7336         * c-parser.c (c_parser_binary_expression): Use current column while
7337         building binary operations.
7338         * common.opt (fshow-column): Enable by default.
7339         * tree-vrp.c (check_array_ref): Use warning_at.
7340         (check_array_bounds): Use location from call back if expr has no
7341         location.
7342         * tree.h: Add location argument to maybe_fold_*.
7343         * tree-ssa-ccp.c (ccp_fold): Pass location to maybe_fold_*.
7344         (maybe_fold_offset_to_array_ref): Add location argument and use it.
7345         (maybe_fold_offset_to_component_ref): Same.
7346         (maybe_fold_offset_to_reference): Same.
7347         (maybe_fold_offset_to_address): Same.
7348         (maybe_fold_stmt_indirect): Same.
7349         (maybe_fold_stmt_addition): Same.
7350         (fold_stmt_r): Pass location to maybe_fold_*.
7351         (fold_gimple_assign): Same.
7352         * c-tree.h: Add location argument to finish_decl,
7353         default_function_array_conversion, store_init_value.
7354         * c-decl.c (define_label): Use error_at.
7355         (c_make_fname_decl): Pass location to finish_decl.
7356         (finish_decl): New location argument.
7357         (build_compound_literal): Pass location to store_init_value.
7358         (grokdeclarator): Pass location to finish_decl.
7359         (grokfield): Same.
7360         * c-typeck.c (array_to_pointer_conversion): New location argument.
7361         (function_to_pointer_conversion): Same.
7362         (default_function_array_conversion): Same.
7363         (parser_build_unary_op): Pass location to overflow_warning.
7364         (parser_build_binary_op): Same.  Use warning_at.
7365         (build_unary_op): Pass location to array_to_pointer_conversion.
7366         (build_c_cast): Pass location to digest_init.
7367         (build_modify_expr): New location argument.
7368         (convert_for_assignment): Same.
7369         (store_init_value): Same.
7370         (digest_init): Same.
7371         (output_init_element): Pass location to digest_init and
7372         array_to_pointer_conversion.
7373         (c_finish_return): Pass location to convert_for_assignment.
7374         * gimplify.c (gimplify_conversion): Pass location to
7375         maybe_fold_offset_to_address.
7376         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Pass location
7377         to maybe_fold_stmt_addition.
7378         * c-omp.c (c_finish_omp_atomic): Pass new location to
7379         build_modify_expr.
7380         (c_finish_omp_for): Same.
7381         * c-common.c (overflow_warning): New argument.
7382         * c-common.h: New argument to build_modify_expr, overflow_warning.
7383         * c-parser.c (c_parser_declaration_or_fndef): Pass location to
7384         finish_decl.
7385         (c_parser_initializer): Pass location to
7386         default_function_array_conversion.
7387         (c_parser_initelt): Same.
7388         (c_parser_initval): Same.
7389         (c_parser_asm_operands): Same.
7390         (c_parser_expr_no_commas): Same.  Pass location to build_modify_expr.
7391         (c_parser_conditional_expression): Same.
7392         (c_parser_binary_expression): Add location info to stack.  Use it.
7393         (c_parser_unary_expression): Pass location to
7394         default_function_array_conversion, parser_build_unary_op,
7395         build_indirect_ref, c_parser_postfix_expression_after_primary.
7396         (c_parser_postfix_expression_after_primary): New location argument.
7397         Use it.
7398         (c_parser_expression_conv): Pass location to
7399         default_function_array_conversion.
7400         (c_parser_expr_list): Same.
7401         (c_parser_omp_atomic): Same.
7402         (c_parser_omp_for_loop): Same.
7403         * c-tree.h: (struct c_declarator): Add comment to id_loc.
7404         (build_array_declarator): New argument.
7405         * c-decl.c (build_array_declarator): Add location argument.
7406         (grokdeclarator): Set id_loc for cdk_array.
7407         * c-parser.c (c_parser_direct_declarator_inner): Pass location to
7408         build_array_declarator.
7409         * tree.c (build_omp_clause): Add location argument.
7410         * tree.h (OMP_CLAUSE_HAS_LOCATION): New macro.
7411         (OMP_CLAUSE_LOCATION): New macro.
7412         (struct tree_omp_clause): Add location field.
7413         (build_omp_clause): Add argument.
7414         * testsuite/gcc.dg/gomp/for-1.c: Fix column.
7415         * cp/pt.c (tsubst_omp_for_iterator): Pass location to
7416         build_omp_clause.
7417         * cp/parser.c (cp_parser_omp_var_list_no_open): Same.
7418         (cp_parser_omp_clause_collapse): Same.
7419         (cp_parser_omp_clause_default): Same.
7420         (cp_parser_omp_clause_if): Same.
7421         (cp_parser_omp_clause_nowait): Same.
7422         (cp_parser_omp_clause_num_threads): Same.
7423         (cp_parser_omp_clause_ordered): Same.
7424         (cp_parser_omp_clause_schedule): Same.
7425         (cp_parser_omp_clause_untied): Same.
7426         (cp_parser_omp_for_loop): Same.
7427         (cp_parser_omp_parallel): Pass location to c_split_parallel_clauses.
7428         * c-tree.h (c_start_case): Add location argument.
7429         (c_process_expr_stmt): Same.
7430         (c_finish_goto_*): Same.
7431         * tree-parloops.c (initialize_reductions): Pass location to
7432         build_omp_clause.
7433         (create_parallel_loop): Same.
7434         * fortran/trans-openmp.c (gfc_trans_omp_variable_list): Same.
7435         (gfc_trans_omp_reduction_list): Same.
7436         (gfc_trans_omp_clauses): Same.
7437         (gfc_trans_omp_do): Same.
7438         * c-typeck.c (c_finish_goto_label): Same.
7439         (c_finish_goto_ptr): New location argument.
7440         (c_start_case): Same.
7441         (emit_side_effect_warnings): Same.
7442         (c_process_expr_stmt): Same.
7443         (c_finish_stmt_expr): Same.
7444         (c_finish_omp_clauses): Use error_at instead of error.
7445         * gimplify.c (gimplify_adjust_omp_clauses_1): Pass location to
7446         build_omp_clause.
7447         * c-omp.c (c_split_parallel_clauses): New location argument.
7448         * tree-nested.c (convert_nonlocal_reference_stmt): Pass location
7449         to build_omp_clause.
7450         (convert_local_reference_stmt): Same.
7451         (convert_gimple_call): Same.
7452         * c-common.h (c_split_parallel_clauses): New argument.
7453         * c-parser.c (c_parser_statement_after_labels): Pass location to
7454         c_finish_goto_label.
7455         (c_parser_switch_statement): Pass location to c_start_case.
7456         (c_parser_for_statement): Pass location to c_finish_expr_stmt,
7457         and c_process_expr_stmt.
7458         (c_parser_omp_variable_list): Add location argument.
7459         (c_parser_omp_clause_collapse): Pass location to build_omp_clause.
7460         (c_parser_omp_clause_default): Same.
7461         (c_parser_omp_clause_if): Same.
7462         (c_parser_omp_clause_num_threads): Same.
7463         (-c_parser_omp_clause_ordered): Same.
7464         (c_parser_omp_clause_reduction): Pass location to
7465         c_parser_omp_variable_list.
7466         (c_parser_omp_clause_schedule): Pass location to build_omp_clause.
7467         (c_parser_omp_clause_untied): Same.
7468         (c_parser_omp_for_loop): Pass location to c_process_expr_stmt.
7469         (c_parser_omp_parallel): Pass location to c_split_parallel_clauses.
7470
7471         * c-tree.h (check_for_loop_decls, undeclared_variable,
7472         build_component_ref, build_array_ref, build_external_ref,
7473         c_expr_sizeof_expr, c_expr_sizeof_type, parser_build_unary_op,
7474         build_conditional_expr, build_compound_expr, c_cast_expr,
7475         build_c_cast, build_asm_expr, c_end_compound_stmt, c_finish_stmt_expr,
7476         c_finish_return, c_finish_omp_parallel, c_finish_omp_task): New
7477         argument.
7478         * c-semantics.c (build_stmt): Same.
7479         (build_case_label): Same.
7480         * c-decl.c (c_finish_incomplete_decl): Pass location on down.
7481         (undeclared_variable): New argument.
7482         (make_label): Same.
7483         (lookup_label): Pass location on down.
7484         (define_label): Same.
7485         (finish_decl): Same.
7486         (build_compound_literal): Same.
7487         (finish_struct): Same.
7488         (finish_function): Do not set location here.
7489         (check_for_loop_decls): New argument.
7490         * tree.c (save_expr): Set location.
7491         (build_empty_stmt): New argument.
7492         * tree.h (build_empty_stmt): New argument to build_empty_stmt.
7493         (CAN_HAVE_LOCATION_P): Make sure we have a non empty node.
7494         * builtins.c (gimplify_va_arg_expr): Use locations.
7495         (expand_builtin_sync_operation): Same.
7496         * c-typeck.c (build_component_ref): New argument.
7497         (build_array_ref): Same.
7498         (build_external_ref): Same.
7499         (c_expr_sizeof_expr): Same.
7500         (c_expr_sizeof_type): Same.
7501         (parser_build_unary_op): Same.
7502         (build_conditional_expr): Same.
7503         (build_compound_expr): Pass location on down.
7504         (build_compound_expr): New argument.
7505         (build_c_cast): Same.
7506         (c_cast_expr): Same.
7507         (build_asm_expr): Same.
7508         (c_finish_return): Same.
7509         (c_process_expr_stmt): Pass location on down.
7510         (c_finish_stmt_expr): New argument.
7511         (push_clenaup): Same.
7512         (c_finish_omp_parallel): Same.
7513         (c_finish_omp_task): Same.
7514         * gimplify.c (gimplify_call_expr): Pass location on down.
7515         * c-omp.c (c_finish_omp_master): New argument.
7516         (c_finish_omp_critical): Same.
7517         (c_finish_omp_ordered): Same.
7518         (c_finish_omp_barrier): Same.
7519         (-c_finish_omp_taskwait): Same.
7520         (c_finish_omp_atomic): Same.
7521         (c_finish_omp_flush): Same.
7522         * tree-inline.c (copy_tree_body_r): Pass location on down.
7523         (inline_forbidden_p): Remove use of input_location.
7524         * c-gimplify.c (c_build_bind_expr): New argument.
7525         * c-common.c (c_common_truthvalue_conversion): Pass location on down.
7526         (c_sizeof_or_alignof_type): New argument.
7527         (c_alignof_expr): Same.
7528         (build_va_arg): Same.
7529         (c_add_case_label): Same.
7530         * c-common.h (c_sizeof_or_alignof_type, c_alignof_expr,
7531         c_sizeof, c_alignof, build_va_arg, build_stmt, build_case_label,
7532         c_build_bind_expr, objc_build_selector_expr, objc_build_throw_stmt,
7533         c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered,
7534         c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush,
7535         c_finish_omp_taskwait, c_finish_omp_for, c_split_parallel_clauses):
7536         New argument.
7537         * stub-objc.c (objc_build_selector_expr): Same.
7538         (objc_build_throw_stmt): Same.
7539         * c-parser.c (c_parser_declaration_or_fndef): Pass location on down.
7540         (c_parser_initelt): Same.
7541         (c_parser_compound_statement): Same.
7542         (c_parser_compound_statement_nostart): Same.
7543         (c_parser_label): Same.
7544         (c_parser_statement_after_labels): Same.
7545         (c_parser_if_body): Same.
7546         (c_parser_else_body): Same.
7547         (c_parser_if_statement): Same.
7548         (c_parser_switch_statement): Same.
7549         (c_parser_while_statement): Same.
7550         (c_parser_do_statement): Same.
7551         (c_parser_for_statement): Same.
7552         (c_parser_asm_statement): Same.
7553         (c_parser_conditional_expression): Same.
7554         (c_parser_binary_expression): Same.
7555         (c_parser_cast_expression): Same.
7556         (c_parser_unary_expression): Same.
7557         (c_parser_sizeof_expression): Same.
7558         (c_parser_alignof_expression): Same.
7559         (c_parser_postfix_expression): Same.
7560         (c_parser_expression): Same.
7561         (c_parser_objc_receiver): Same.
7562         (c_parser_omp_variable_list): Same.
7563         (c_parser_omp_structured_block): Same.
7564         (c_parser_omp_atomic): New argument.
7565         (c_parser_omp_barrier): Same.
7566         (c_parser_omp_critical): Same.
7567         (c_parser_omp_flush): Pass location on down.
7568         (c_parser_omp_for_loop): New argument.
7569         (c_parser_omp_for): Same.
7570         (c_parser_omp_master): Same.
7571         (c_parser_omp_ordered): Same.
7572         (c_parser_omp_sections_scope): Same.
7573         (c_parser_omp_sections): Same.
7574         (c_parser_omp_parallel): Same.
7575         (c_parser_omp_single): Same.
7576         (c_parser_omp_task): Same.
7577         (c_parser_omp_taskwait): Pass location on down.
7578         (c_parser_omp_construct): Same.
7579         (c_parser_omp_threadprivate): Same.
7580         * dwarf2asm.c, targhooks.c, optabs.c, tree.c, tree.h, target.h,
7581         builtins.c, omp-low.c, cgraphunit.c, tree-call-cdce.c,
7582         tree-ssa-alias.c, gimple-low.c, c-tree.h, expr.c, tree-parloops.c,
7583         c-decl.c, tree-eh.c, langhooks.c, function.c, stor-layout.c,
7584         c-typeck.c, gimplify.c, c-pragma.c, expmed.c, except.c, coverage.c,
7585         emit-rtl.c, cfgexpand.c, tree-mudflap.c, varasm.c, tree-nested.c,
7586         rtl.h, tree-inline.c, tree-profile.c, c-common.c, c-common.h,
7587         tree-switch-conversion.c, tree-cfg.c, ipa-struct-reorg.c, c-parser.c,
7588         config/i386/i386.c, stmt.c:
7589         Add location argument to the following function definitions and/or
7590         function calls: build_decl, objcp_start_struct, objcp_finish_struct,
7591         start_struct, finish_struct, PUSH_FIELD, create_artificial_label,
7592         cp_make_fname_decl, pushtag, implicitly_declare, c_make_fname_decl,
7593         build_compound_literal, parser_xref_tag, resolve_overloaded_builtin,
7594         do_case, c_finish_bc_stmt, build_compound_literal,
7595         build_function_call.
7596         * c-decl.c (build_compound_literal): Add location argument.
7597         Make all diagnostic calls use location.
7598         (start_struct): Same.
7599         (finish_struct): Same.
7600         (start_enum): Same.
7601         (build_enumerator): Same.
7602         (start_function): Same.
7603         (grokdeclarator): Make all diagnostic calls use location.
7604         (store_parm_decls_oldstyle): Same.
7605         * c-typeck.c (build_function_call): Add location argument.
7606         Make all diagnostic calls use location.
7607         (do_case): Same.
7608         (c_finish_bc_stmt): Same.
7609         * tree-nested.c (get_trampoline_type): Add argument.
7610         Pass location to build_decl.
7611         (lookup_tramp_for_decl): Pass location to get_trampoline_type.
7612         * rtl.h (RTL_LOCATION): New.
7613         * c-common.c (c_add_case_label): Add location argument.
7614         Make all diagnostic calls use location.
7615         * c-common.h: Add location argument to make_fname_decl, do_case,
7616         c_add_case_label, build_function_call, resolve_overloaded_builtin.
7617         * c-parser.c (c_parser_enum_specifier): Rename ident_loc to enum_loc.
7618         Set it appropriately for every case.  Pass enum_loc to start_enum
7619         call.  Pass value_loc first to build_enumerator.  Pass enum_loc to
7620         parser_xref_tag.
7621         (c_parser_struct_or_union_specifier): Save location.  Use it for
7622         start_struct, finish_struct, and parser_xref_tag.
7623
7624 2009-06-12  Ian Lance Taylor  <iant@google.com>
7625
7626         * fold-const.c (fold_unary): Rename local variable and to and_expr.
7627
7628         * c-opts.c (c_common_handle_option): For -Wc++-compat set
7629         cpp_opts->warn_cxx_operator_names.
7630
7631 2009-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7632
7633         PR tree-opt/38865
7634         * tree-ssa-sccvn.c (visit_reference_op_load): If vn_reference_lookup
7635         is returns NULL and OP is a VCE, look through the VCE.
7636
7637 2009-06-12  Ian Lance Taylor  <iant@google.com>
7638
7639         PR bootstrap/40430
7640         * collect2.c (main): Use CONST_CAST2 in code inside #if
7641         LINK_ELIMINATE_DUPLICATE_LDIRECTORIES.
7642
7643 2009-06-12  Joey Ye  <joey.ye@intel.com>
7644
7645         PR middle-end/39146
7646         * cfgexpand.c (get_decl_align_unit): Update
7647         max_used_stack_slot_alignment with align instead of
7648         stack_alignment_needed.
7649
7650         * function.c (assign_stack_local_1): Update
7651         max_used_stack_slot_alignment with alignment_in_bits instead
7652         of stack_alignment_needed.
7653         (locate_and_pad_parm): Don't update max_used_stack_slot_alignment
7654         here.
7655
7656 2009-06-12  Jakub Jelinek  <jakub@redhat.com>
7657
7658         * dwarf2out.c (last_var_location_insn): New variable.
7659         (dwarf2out_end_epilogue): Clear last_var_location_insn.
7660         (dwarf2out_var_location): Don't record anything after last real
7661         insn.  Only change labels if there were any real instructions
7662         in between last note and this one, or if changed sections.
7663
7664 2009-06-11  Richard Henderson  <rth@redhat.com>
7665
7666         * alpha.c (alpha_expand_prologue): Add a REF_CFA_REGISTER
7667         note when storing the frame pointer in a register.
7668         (FRP): Don't redefine to nothing for epilogue.
7669         (alpha_expand_epilogue): Mark register and sp restores.
7670         (unicosmk_gen_dsib): Don't mark weird frame pointer adjust.
7671
7672         * config/alpha/alpha.c (alpha_emit_setcc): Fix test for
7673         when gen_lowpart is needed.
7674
7675 2009-06-11  Richard Henderson  <rth@redhat.com>
7676
7677         * dwarf2out.c (def_cfa_1): Likewise for DW_CFA_cfa_offset.
7678
7679         * dwarf2out.c (need_data_align_sf_opcode): New.
7680         (div_data_align): Move earlier.
7681         (def_cfa_1, reg_save): Use it.
7682
7683 2009-06-11  H.J. Lu  <hongjiu.lu@intel.com>
7684
7685         * config/i386/i386.c (OPTION_MASK_ISA_CRC32_SET): New.
7686         (OPTION_MASK_ISA_CRC32_UNSET): Likewise.
7687         (ix86_handle_option): Handle OPT_mcrc32.
7688         (ix86_target_string): Add -mcrc32.
7689         (bdesc_args): Enable crc32 builtins with OPTION_MASK_ISA_CRC32.
7690
7691         * config/i386/i386.h (TARGET_CRC32): New.
7692
7693         * config/i386/i386.md (sse4_2_crc32<mode>): Also check TARGET_CRC32.
7694         (sse4_2_crc32di): Likewise.
7695
7696         * config/i386/i386.opt (mcrc32): New.
7697
7698         * doc/invoke.texi: Document -mcrc32.
7699
7700 2009-06-11  Richard Henderson  <rth@redhat.com>
7701
7702         * common.opt (gdwarf-): Accept a version number.
7703         * doc/invoke.texi (gdwarf-): Update docs.
7704         * opth-gen.awk: Special case -gdwarf+ to OPT_gdwarfplus.
7705         * opts.c (common_handle_option) [OPT_gdwarf_]: Verify dwarf
7706         version level, and record it.
7707
7708         * dwarf2.h (DW_CIE_VERSION): Remove.
7709         * dwarf2out.c (DWARF_VERSION): Remove.
7710         (add_fde_cfi): Skip DW_CFA_set_loc addition for dwarf3.
7711         (output_call_frame_info): Use CIE version 3 for dwarf3,
7712         or if the return register column is out of range for version 1.
7713         (dwarf_stack_op_name): Add all dwarf3 values.
7714         (DEBUG_PUBTYPES_SECTION): New.
7715         (size_of_die) [dw_val_class_die_ref]: Handle DW_FORM_ref_addr
7716         encoding change for dwarf3.
7717         (output_die) [dw_val_class_die_ref]: Likewise.
7718         (output_compilation_unit_header): Emit correct version for dwarf3.
7719         (output_line_info): Likewise.
7720         (output_pubnames): Update for DWARF_VERSION removal.
7721         (output_aranges): Likewise.
7722         (gen_subprogram_die): Emit DW_OP_call_frame_cfa if emitting dwarf3.
7723         (dwarf2out_init): Don't ifdef DEBUG_PUBTYPES_SECTION.
7724         (dwarf2out_finish): Likewise.
7725
7726 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
7727
7728         * system.h (gcc_assert, gcc_unreachable): Revert accidental commit
7729         in r148403.
7730
7731 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
7732
7733         PR c/39252
7734         * doc/extend.texi ( __builtin_unreachable): Document new builtin.
7735         * builtins.c (expand_builtin_unreachable): New function.
7736         (expand_builtin): Handle BUILT_IN_UNREACHABLE case.
7737         * builtins.def (BUILT_IN_UNREACHABLE): Add new builtin.
7738         * cfgcleanup.c (try_optimize_cfg): Delete empty blocks with no
7739         successors.
7740         * cfgrtl.c (rtl_verify_flow_info): Handle empty blocks when
7741         searching for missing barriers.
7742
7743 2009-06-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
7744
7745         * config/darwin.h (LINK_COMMAND_SPEC): Adjust spec to link libcov
7746         when -fprofile-generate* was passed.
7747         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
7748
7749 2009-06-11  Anthony Green  <green@moxielogic.com>
7750
7751         * config/moxie/moxie.md: Define length attribute for all instructions.
7752         (rCC): Define.
7753         (*b<cond:code>): Support limited branch ranges for new PC-relative
7754         branch instructions.
7755         * config/moxie/moxie.h (HAS_LONG_UNCOND_BRANCH): Define.
7756
7757 2009-06-11  Jakub Jelinek  <jakub@redhat.com>
7758
7759         * config/i386/i386.c (min_insn_size): Use get_attr_length
7760         for normal insns other than TYPE_MULTI, TYPE_OTHER and TYPE_FCMP.
7761         For __asm return 0.
7762
7763         * config/i386/i386.c (ix86_pad_returns): Use emit_jump_insn_before
7764         instead of emit_insn_before.
7765
7766 2009-06-10  Ian Lance Taylor  <iant@google.com>
7767
7768         PR bootstrap/40408
7769         * graphite.c (add_conditions_to_domain): Change SWITCH_EXPR to
7770         GIMPLE_SWITCH.
7771
7772 2009-06-10  Revital Eres  <eres@il.ibm.com>
7773
7774         * passes.c (init_optimization_passes): Reschedule
7775         predictive-commoning pass before complete unroll pass.
7776
7777 2009-06-10  Martin Jambor  <mjambor@suse.cz>
7778
7779         * cgraph.c (cgraph_node_can_be_local_p): New function.
7780         (cgraph_make_node_local): New function.
7781         * cgraph.h (cgraph_node_can_be_local_p): Declare.
7782         (cgraph_make_node_local): Declare.
7783
7784 2009-06-10  Nathan Froyd  <froydnj@codesourcery.com>
7785
7786         * tree.h (tree_base): Add packed_flag and user_align fields.
7787         Decrease size of spare field.
7788         (TYPE_USER_ALIGN): Use user_align from tree_base.
7789         (DECL_USER_ALIGN): Likewise.
7790         (TYPE_PACKED): Use packed_flag from tree_base.
7791         (DECL_PACKED): Likewise.
7792         (tree_type): Delete packed_flag and user_align fields.  Widen
7793         precision field.  Widen mode field and shuffle fields to align
7794         mode on an 8-bit boundary.
7795         (tree_decl_common): Delete decl_flag_1 and user_align fields.
7796         Renumber decl_flag_* fields.  Fix comments.  Widen
7797         decl_common_unused field.
7798         (DECL_HAS_VALUE_EXPR_P): Adjust for renumbering of decl_flag_* fields.
7799         (DECL_EXTERNAL): Likewise.
7800         (DECL_BIT_FIELD): Likewise.
7801         (DECL_NONADDRESSABLE_P): Likewise.
7802         (TYPE_DECL_SUPRESS_DEBUG): Likewise.
7803         * config/arm/arm-modes.def (XImode): Make it an INT_MODE.
7804
7805 2009-06-10  Ian Lance Taylor  <iant@google.com>
7806
7807         * vec.h (DEF_VEC_ALLOC_I): Use DEF_VEC_NONALLOC_FUNCS_I.
7808         (DEF_VEC_ALLOC_P): Use DEF_VEC_NONALLOC_FUNCS_P.
7809         (DEF_VEC_ALLOC_O): Use DEF_VEC_NONALLOC_FUNCS_O.
7810         (DEF_VEC_ALLOC_FUNC_P): Only define VEC_OP (T,A,alloc).
7811         (DEF_VEC_NONALLOC_FUNCS_P): New macro, broken out of old
7812         DEF_VEC_ALLOC_FUNC_P.
7813         (DEF_VEC_ALLOC_FUNC_O): Only define VEC_OP (T,A,alloc).
7814         (DEF_VEC_NONALLOC_FUNCS_O): New macro, broken out of old
7815         DEF_VEC_ALLOC_FUNC_O.
7816         (DEF_VEC_ALLOC_FUNC_I): Only define VEC_OP (T,A,alloc).
7817         (DEF_VEC_NONALLOC_FUNCS_I): New macro, broken out of old
7818         DEF_VEC_ALLOC_FUNC_I.
7819         (vec_stack_p_reserve, vec_stack_p_reserve_exact): Declare.
7820         (vec_stack_p_reserve_exact_1): Declare.
7821         (vec_stack_o_reserve, vec_stack_o_reserve_exact): Declare.
7822         (vec_stack_free): Declare.
7823         (VEC_stack_alloc): Define.
7824         (DEF_VEC_ALLOC_P_STACK, DEF_VEC_ALLOC_FUNC_P_STACK): Define.
7825         (DEF_VEC_ALLOC_O_STACK, DEF_VEC_ALLOC_FUNC_O_STACK): Define.
7826         (DEF_VEC_ALLOC_I_STACK, DEF_VEC_ALLOC_FUNC_I_STACK): Define.
7827         * vec.c (void_p): New type.  Call DEF_VEC_P and DEF_VEC_ALLOC_P
7828         for void_p.
7829         (stack_vecs): New static variable.
7830         (vec_stack_p_reserve_exact_1): New function.
7831         (vec_stack_o_reserve_1): New static function.
7832         (vec_stack_p_reserve, vec_stack_p_reserve_exact): New functions.
7833         (vec_stack_o_reserve, vec_stack_o_reserve_exact): New functions.
7834         (vec_stack_free): New function.
7835         * df-scan.c (df_ref): Use DEF_VEC_P and DEF_VEC_ALLOC_P_STACK.
7836         (VEC_df_ref_stack_alloc): Define.
7837         (df_mw_hardreg_ptr): New type.  Use DEF_VEC_P and
7838         DEF_VEC_ALLOC_P_STACK.
7839         (VEC_df_mw_hardreg_ptr_stack_alloc): Define.
7840         (struct df_collection_rec): Change _vec fields to VEC.  Remove
7841         _use fields.
7842         (df_free_collection_rec): Adjust for new fields.
7843         (df_insn_rescan): Use new df_collection_rec fields.
7844         (df_notes_rescan, df_canonize_collection_rec): Likewise.
7845         (df_ref_create_structure, df_ref_record): Likewise.
7846         (df_get_conditional_uses, df_get_call_refs): Likewise.
7847         (df_insn_refs_collect, df_bb_refs_collect): Likewise.
7848         (df_bb_refs_record, df_record_entry_block_defs): Likewise.
7849         (df_record_exit_block_uses, df_bb_verify): Likewise.
7850         (df_swap_refs): Change ref_vec parameter to VEC.  Change all callers.
7851         (df_sort_and_compress_refs): Change ref_vec parameter to VEC.
7852         Remove count parameter.  Change return type to void.  Change all
7853         callers.
7854         (df_sort_and_compress_mws): Change mw_vec parameter to VEC.
7855         Remove count parameter.  Change return type to void.  Change all
7856         callers.
7857         (df_install_refs): Change old_vec parameter to VEC.  Remove count
7858         parameter.  Change all callers.
7859         (df_install_mws): Change old_vec parameter to VEC.  Remove count
7860         parameter.  Change all callers.
7861         (df_refs_verify): Change new_rec parameter to VEC.  Change call
7862         callers.
7863         (df_mws_verify): Likewise.
7864
7865 2009-06-10  Alexandre Oliva  <aoliva@redhat.com>
7866
7867         * gcc.c (compare_files): Cast munmap argumento to caddr_t.
7868
7869 2009-06-10  H.J. Lu  <hongjiu.lu@intel.com>
7870
7871         * doc/extend.texi: Add description for __builtin_ia32_crc32di.
7872
7873 2009-06-10  Anthony Green  <green@moxielogic.com>
7874
7875         * config/moxie/crti.asm: New file.
7876         * config/moxie/crtn.asm: New file.
7877         * config/moxie/moxie.c: New file.
7878         * config/moxie/moxie.h: New file.
7879         * config/moxie/sfp-machine.h: New file.
7880         * config/moxie/moxie-protos.h: New file.
7881         * config/moxie/t-moxie: Created.
7882         * config/moxie/t-moxie-softfp: Created.
7883         * config/moxie/moxie.md: Created.
7884         * config/moxie/constraints.md: Created.
7885         * config.gcc: Add moxie support.
7886         * doc/md.texi (Machine Constraints): Add moxie constraints.
7887         * doc/contrib.texi (Contributors): Mention moxie port.
7888         * doc/install.texi (Specific): Mention the moxie port.
7889
7890 2009-06-09  Ian Lance Taylor  <iant@google.com>
7891
7892         * system.h (HAVE_DESIGNATED_INITIALIZERS): Don't define if
7893         compiling with C++.
7894         * optabs.c (optab_table): Only use designated initializers if
7895         HAVE_DESIGNATED_INITIALIZERS is defined.
7896         (convert_optab_table): Likewise.
7897         (init_optabs): Always call init_insn_codes if
7898         HAVE_DESIGNATED_INITIALIZERS is not defined.
7899
7900 2009-06-09  Ian Lance Taylor  <iant@google.com>
7901
7902         * targhooks.c (default_builtin_vectorized_function): Change fn
7903         parameter to unsigned int.
7904         (default_builtin_vectorized_conversion): Change code parameter to
7905         unsigned int.
7906         (default_builtin_reciprocal): Change fn parameter to unsigned int.
7907         * targhooks.h: Update declarations.
7908         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Change code
7909         parameter to unsigned int.
7910
7911         * c-typeck.c (comptypes_check_enum_int): New static function.
7912         (comptypes_internal): Add enum_and_int_p parameter.  Change all
7913         callers.
7914         (comp_target_types): Add location parameter.  Change all callers.
7915         (tagged_types_tu_compatible_p): Add enum_and_int_p parameter.
7916         Change all callers.
7917         (function_types_compatible_p, type_lists_compatible_p): Likewise.
7918         (build_conditional_expr): Add colon_loc parameter.  Change all
7919         callers.
7920         (convert_for_assignment): Add location parameter.  Change all callers.
7921         * c-parser.c (c_parser_conditional_expression): Pass location of
7922         colon to build_conditional_expr.
7923         * c-tree.h (build_conditional_expr): Update declaration.
7924
7925 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
7926
7927         * graphite.c: Revert previous patch.
7928
7929 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
7930
7931         PR bootstrap/40103
7932         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
7933
7934 2009-06-09  Ghassan Shobaki  <ghassan.shobaki@amd.com>
7935
7936         * tree-ssa-loop-prefetch.c
7937         (loop_prefetch_arrays): Fixed a portability problem in printf format
7938         string.
7939
7940 2009-06-09  Martin Jambor  <mjambor@suse.cz>
7941
7942         PR tree-optimization/40351
7943         * tree-sra.c (propagate_subacesses_accross_link): Check that a
7944         refrence to a potential artifical subaccess can be constructed.
7945
7946 2009-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
7947
7948         * config/sh/sh-protos.h (sh_optimization_options): Declare.
7949         (sh_override_options): Likewise.
7950         * config/sh/sh.c: Include params.h.
7951         (sh_optimization_options): New.
7952         (sh_override_options): Likewise.
7953         * config/sh/sh.c (OPTIMIZATION_OPTIONS): Use sh_optimization_options.
7954         (OVERRIDE_OPTIONS): Use sh_override_options.
7955
7956 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
7957
7958         * dwarf2out.c (emit_cfa_remember): New variable.
7959         (add_fde_cfi): If emit_cfa_remember, recurse to add
7960         DW_CFA_remember_state first.
7961         (dwarf2out_begin_epilogue): Don't add_fde_cfi DW_CFA_remember_state,
7962         instead just set emit_cfa_remember.
7963
7964 2009-06-08  Jan Hubicka  <jh@suse.cz>
7965
7966         PR debug/40126
7967         * dwarf2out.c (dwarf2out_abstract_function): Free decl_loc_table.
7968
7969 2009-06-08  Jan Hubicka  <jh@suse.cz>
7970
7971         PR middle-end/39834
7972         * cgraphunit.c (save_inline_function_body): Do not copy transform
7973         hooks for saved inline bodies.
7974         * ipa-passes.c (do_per_function): Do not add the hoks multiple times
7975         for given function.
7976
7977 2009-06-08  Adam Nemet  <anemet@caviumnetworks.com>
7978
7979         * jump.c (returnjump_p): Handle delayed branches.  Add missing
7980         function comment.
7981
7982 2009-06-08  Jan Hubicka  <jh@suse.cz>
7983
7984         PR middle-end/40102
7985         * cgraph.c (cgraph_create_edge_including_clones): Also asume that the
7986         original node might've been modified.
7987         * tree-inline.c (copy_bb): Do not assume that all clones are the same.
7988
7989 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
7990
7991         * tree-object-size.c (addr_object_size): Add OSI argument.
7992         Handle also INDIRECT_REF with SSA_NAME inside of it as base address.
7993         (compute_builtin_object_size, expr_object_size): Adjust callers.
7994         (plus_stmt_object_size): Call addr_object_size instead of
7995         compute_builtin_object_size.
7996
7997 2009-06-08  Ghassan Shobaki  <ghassan.shobaki@amd.com>
7998             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7999
8000         * tree-ssa-loop-prefetch.c
8001         (gather_memory_references): Introduced a counter for the number of
8002         memory references.
8003         (anything_to_prefetch_p): Introduced a counter for the number of
8004         prefetches.
8005         (is_loop_prefetching_profitable): New function with a cost model
8006         for prefetching.
8007         (loop_prefetch_arrays): Use the new cost model to determine if
8008         prefetching is profitable.
8009         * params.def (MIN_INSN_TO_PREFETCH_RATIO,
8010         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
8011         * params.h (MIN_INSN_TO_PREFETCH_RATIO,
8012         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
8013         * doc/invoke.texi (MIN_INSN_TO_PREFETCT_RATIO,
8014         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
8015
8016 2009-06-08  Michael Matz  <matz@suse.de>
8017
8018         PR debug/40012
8019         * cfgexpand.c (set_rtl): Store place also in DECL_RTL, if all
8020         partitions use the same.
8021         (expand_one_var): Deal with DECL_RTL sometimes begin set also
8022         for basevars of SSA_NAMEs.
8023         (expand_used_vars): Reset TREE_USED for basevars of SSA_NAMEs,
8024         to not expand them twice.
8025         (gimple_expand_cfg): Clear DECL_RTL for those decls that have
8026         multiple places.
8027
8028 2009-06-08  Alexandre Oliva  <aoliva@redhat.com>
8029
8030         * common.opt (fcompare-debug=, fcompare-debug-second): New.
8031         (fdump-final-insns=, gtoggle): New.
8032         * doc/invoke.texi: Document them.
8033         * final.c (rest_of_clean_state): Dump final insn stream.
8034         * gcc.c (invoke_as): Hook in -fcompare-debug.
8035         (static_spec_functions): Add compare-debug-dump-opt,
8036         compare-debug-self-opt and compare-debug-auxbase-opt.
8037         (compare_debug, compare_debug_second, compare_debug_opt): New.
8038         (switches_debug_check, n_switches_debug_check): New.
8039         (debug_auxbase_opt, debug_check_temp_file): New.
8040         (process_command): Handle -fno-compare-debug, -fcompare-debug and
8041         -fcompare-debug=*.
8042         (do_self_spec): Handle arguments after switches.
8043         (do_spec_1): Add .gk extension to temp file basenames for compare.
8044         (check_live_switch): Take SWITCH_IGNORE into account, and earlier.
8045         (cc1_options): Use it instead of normal auxbase computation for
8046         the second compare-debug compilation.
8047         (compare_files): New.
8048         (main): Set up and implement compare debug mode.
8049         (compare_debug_dump_opt_spec_function): New.
8050         (compare_debug_self_opt_spec_function): New.
8051         (compare_debug_auxbase_opt_spec_function): New.
8052         * toplev.c (process_options): Handle flag_gtoggle,
8053         flag_dump_final_insns.
8054         * coverage.c (coverage_begin_output): Don't overwrite .gcno file
8055         during -fcompare-debug-second compilation.
8056
8057 2009-06-07  Ian Lance Taylor  <iant@google.com>
8058
8059         * dwarf2.h (enum dwarf_location_atom): Add INTERNAL_DW_OP_tls_addr.
8060         * dwarf2out.c (INTERNAL_DW_OP_tls_addr): Don't #define.
8061
8062         * c-common.c (c_do_switch_warnings): Don't exit early for -Wswitch
8063         with no default node.  Change warning with %H to warning_at.
8064         Don't clear warn_switch around case checking.
8065         * doc/invoke.texi (Warning Options): Clarify distinction between
8066         -Wswitch and -Wswitch-enum.
8067
8068 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8069
8070         * tree-pass.h (TODO_update_ssa_any): Document internal use only.
8071
8072 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8073
8074         * gbl-ctors.h: Add header guard.
8075
8076 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8077
8078         * tree-flow.h (make_value_handle, set_value_handle, sort_vuses,
8079         sort_vuses_heap, vn_lookup_or_add, vn_lookup_or_add_with_stmt,
8080         vn_lookup_or_add_with_vuses, vn_add, vn_add_with_vuses,
8081         vn_lookup_with_stmt, vn_lookup, vn_lookup_with_vuses): Remove
8082         prototypes for removed functions.
8083         (expressions_equal_p): Move to ...
8084         * tree-ssa-sccvn.h: ... here and ...
8085         * matrix-reorg.c: ... adjust includes.
8086
8087 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8088
8089         * ipa-struct-reorg.c (do_reorg_1): Fix whitespace in dump output.
8090
8091 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8092
8093         * c-decl.c (finish_decl): Use bool for variable was_incomplete.
8094         (finish_function): Remove erroneous whitespace.
8095
8096 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8097
8098         * tree-cfg.c (gimple_merge_blocks): Commentary typo fix.
8099         (verify_stmts): Print statement who's gimple_bb is set to a wrong BB
8100
8101 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8102
8103         * errors.c (internal_error): Commentary typo fix.
8104         * gimple-iterator.c (gsi_insert_seq_on_edge): Ditto.
8105         * tree-ssa-pre.c: Ditto.
8106
8107 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8108
8109         * basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of
8110         them is supposed to hold actual statements.
8111
8112 2009-06-06  Ian Lance Taylor  <iant@google.com>
8113
8114         * doc/extend.texi (Attribute Syntax): Document that C++ labels on
8115         empty statements can now have attributes.
8116
8117 2009-06-05  Shujing Zhao  <pearly.zhao@oracle.com>
8118
8119         * config/mips/mips.c: Use REG_P and CONST_INT_P where applicable.
8120         * config/mips/mips.md: Ditto.
8121
8122 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
8123
8124         * config/rs6000/eabi.asm (__eabi_convert): Don't define if
8125         _RELOCATABLE.
8126         (__eabi_uconvert): Likewise.
8127
8128 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
8129
8130         * config/rs6000/ppc-asm.h: Protect auto-host.h inclusion and
8131         CFI_* definitions with IN_GCC.
8132
8133 2009-06-05  David Edelsohn  <edelsohn@gnu.org>
8134
8135         * xcoffout.h (xcoffout_source_line): Update prototype.
8136
8137 2009-06-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8138
8139         * builtins.c (do_mpc_ckconv, do_mpc_arg1): Use
8140         mpc_realref/mpc_imagref instead of MPC_RE/MPC_IM.
8141
8142 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
8143
8144         PR middle-end/40340
8145         * tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
8146         inlined_function_outer_scope_p blocks for artificial inlines
8147         even at -g0/-g1.
8148         * tree.c (tree_nonartificial_location): Rewrite using
8149         block_nonartificial_location.
8150
8151 2009-06-05  Revital Eres  <eres@il.ibm.com>
8152             Leehod Baruch  <leehod@il.ibm.com>
8153
8154         * expr.c (expand_assignment): Expand MISALIGNED_INDIRECT_REF.
8155         (expand_expr_real_1): Remove comment.
8156         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
8157         Vectorize misaligned access when the target supports it.
8158         (vect_supportable_dr_alignment): Check for unaligned access support.
8159         * tree-vect-stmts.c (vectorizable_store): Generate misaligned store
8160         and remove asset.
8161
8162 2009-06-05  Julian Brown  <julian@codesourcery.com>
8163
8164         * config/arm/ieee754-df.S (cmpdf2): Avoid writing below SP.
8165         * config/arm/ieee754-sf.S (cmpsf2): Likewise.
8166
8167 2009-06-05  Richard Guenther  <rguenther@suse.de>
8168
8169         PR bootstrap/40350
8170         * dwarf2out.c (dwarf2out_begin_function): Mark discriminator
8171         as possibly unused.
8172
8173 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
8174
8175         * config/s390/s390.c (global_not_special_regno_p): New static inline.
8176         (save_gprs): Don't tell unwinder when a global register is saved.
8177         (s390_emit_epilogue): Emit needed epilogue unwind info.
8178
8179 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
8180
8181         * dwarf2out.c (deferred_asm_name): New.
8182         (add_name_and_src_coords_attributes): Defer creation of
8183         DW_AT_MIPS_linkage_name attribute if DECL_ASSEMBLER_NAME was not
8184         computed yet.
8185         (move_linkage_attr): New.
8186         (dwarf2out_finish): Revisit deferrals and emit attributes at the
8187         right place.
8188
8189 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
8190
8191         * tree-nested.c (finalize_nesting_tree_1): Declare the
8192         frame_decl in the binding tree.
8193
8194 2009-06-04  Cary Coutant  <ccoutant@google.com>
8195
8196         * basic-block.h (struct basic_block_def): Add discriminator field.
8197         * dbxout.c (dbxout_source_line): Add new parameter.  Change all
8198         callers.
8199         * debug.c (do_nothing_debug_hooks): Add additional entry.
8200         (debug_nothing_int_charstar_int): New function.
8201         * debug.h (struct gcc_debug_hooks): Add parameter to source_line hook.
8202         (debug_nothing_int_charstar_int): New declaration.
8203         * dwarf2out.c (dwarf2out_source_line): Add new parameter.  Write
8204         discriminator value in .loc directive.
8205         * final.c (last_discriminator): New variable.
8206         (discriminator): New variable.
8207         (final_start_function): Initialize above variables, pass current
8208         discriminator to debug hook.
8209         (notice_source_line): Check for discriminator change.
8210         * gimple-pretty-print.c (dump_bb_header): Print discriminator value.
8211         * sdbout.c (sdbout_source_line): New parameter.
8212         * tree-cfg.c (struct locus_discrim_map): New structure type.
8213         (discriminator_per_locus): New hash table.
8214         (build_gimple_cfg): Allocate and free discriminator hash table.
8215         (make_edges): Call assign_discriminator.
8216         (locus_map_hash): New function.
8217         (locus_map_eq): New function.
8218         (next_discriminator_for_locus): New function.
8219         (same_line_p): New function.
8220         (assign_discriminator): New function.
8221         (make_cond_expr_edges): Call assign_discriminator.
8222         (make_gimple_switch_edges): Likewise.
8223         (first_non_label_stmt): New function.
8224         * vmsdbgout.c (vmsdbgout_source_line): Add new parameter.  Change
8225         all callers.
8226         * xcoffout.c (xcoffout_source_line): Add new parameter.
8227
8228         * configure.ac (gcc_cv_as_discriminator): New configury check for
8229         gas support for discriminator.
8230         * configure: Regenerate.
8231         * config.in: Regenerate.
8232
8233 2009-06-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8234
8235         * config/arm/arm.c (thumb2_legitimate_index_p): Initialize
8236         val after checking for integers.
8237
8238 2009-06-04  Uros Bizjak  <ubizjak@gmail.com>
8239
8240         * config/i386/i386.h (X86_64_MS_REGPARM_MAX): Rename from
8241         X64_REGPARM_MAX.
8242         (REGPARM_MAX): Use X86_64_MS_REGPARM_MAX.
8243         (X86_64_MS_SSE_REGPARM_MAX): Rename from X64_SSE_REGPARM_MAX.
8244         (SSE_REGPARM_MAX): Use X86_64_MS_SSE_REGPARM_MAX.
8245         * config/i386/i386.c: Use X86_64_MS_REGPARM_MAX instead of
8246         X64_REGPARM_MAX.  Use X86_64_MS_SSE_REGPARM_MAX instead of
8247         X64_SSE_REGPARM_MAX.
8248         * config/i386/i386.md: Use X86_64_MS_SSE_REGPARM_MAX instead of
8249         X64_SSE_REGPARM_MAX.
8250
8251 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
8252
8253         * gcc.c (report_times_to_file): New.
8254         (execute): Implement it.
8255         (process_command): Support -time=.
8256         * doc/invoke.texi: Document it.
8257
8258 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
8259
8260         * tree-ssa-live.c (remove_unused_scope_block_p): Keep variables
8261         that have value exprs.
8262
8263 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
8264
8265         * dwarf2asm.c (dw2_force_const_mem): Defer creation of
8266         declarations for constants until...
8267         (dw2_output_indirect_constant_1): ... this point.
8268
8269 2009-06-04  Richard Earnshaw  <rearnsha@arm.com>
8270
8271         PR target/10242
8272         * arm.md (arm_addsi3): Don't try to split an add with an
8273         eliminable register until after reload has completed.
8274
8275 2009-06-03  Ian Lance Taylor  <iant@google.com>
8276
8277         * dummy-checksum.c (executable_checksum): Use EXPORTED_CONST.
8278         * genattrtab.c (write_length_unit_log): Likewise.
8279         * genchecksum.c (dosum): Likewise.
8280         * gengtype.c (write_rtx_next): Likewise.
8281         (finish_root_table, write_roots): Likewise.
8282         * gimple.c (gimple_ops_offset_): Likewise.
8283         * tree-nomudflap.c (gt_ggc_r_gt_tree_mudflap_h): Likewise.
8284         * config/arc/arc.c (arc_attribute_table): Likewise.
8285         * config/arm/arm.c (arm_attribute_table): Likewise.
8286         * config/avr/avr.c (avr_attribute_table): Likewise.
8287         * config/crx/crx.c (crx_attribute_table): Likewise.
8288         * config/m32r/m32r.c (m32r_attribute_table): Likewise.
8289         * config/m68hc11/m68hc11.c (m68hc11_attribute_table): Likewise.
8290         * config/mcore/mcore.c (mcore_attribute_table): Likewise.
8291         * config/rs6000/rs6000.c (rs6000_attribute_table): Likewise.
8292         * config/sh/sh.c (sh_attribute_table): Likewise.
8293         * config/sparc/sparc.c (sparc_attribute_table): Likewise.
8294         * config/spu/spu.c (spu_attribute_table): Likewise.
8295         * config/v850/v850.c (v850_attribute_table): Likewise.
8296
8297         * config/alpha/alpha.c (vms_attribute_table): Make static.
8298         * config/bfin/bfin.c (bfin_attribute_table): Likewise.
8299         * config/h8300/h8300.c (h8300_attribute_table): Likewise.
8300         * config/mips/mips.c (mips_attribute_table): Likewise.
8301
8302         * Makefile.in (dummy-checksum.o): Depend upon $(CONFIG_H) and
8303         $(SYSTEM_H).
8304         (cc1-checksum.o): Likewise.
8305
8306 2009-06-03  Steve Ellcey  <sje@cup.hp.com>
8307
8308         * config/ia64/vect.md (*movv2sf_internal): Handle big endian case.
8309
8310 2009-06-03  Jakub Jelinek  <jakub@redhat.com>
8311
8312         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Return generated
8313         insn if it is changing sp.  Use gen_add3_insn instead of
8314         conditionally gen_addsi3 and gen_adddi3.
8315         (offset_below_red_zone_p): New static inline function.
8316         (rs6000_emit_epilogue): Emit needed epilogue unwind info.
8317         Use gen_add3_insn instead of conditionally gen_addsi3 and gen_adddi3.
8318         * config/rs6000/ppc-asm.h: Include auto-host.h.
8319         (CFI_STARTPROC, CFI_ENDPROC, CFI_DEF_CFA_REGISTER, CFI_OFFSET,
8320         CFI_RESTORE): Define.
8321         * config/rs6000/crtresxgpr.asm: Add unwind info.
8322         * config/rs6000/crtresxfpr.asm: Likewise.
8323         * config/rs6000/crtresgpr.asm: Likewise.
8324         * config/rs6000/crtresfpr.asm: Likewise.
8325         * config/rs6000/crtsavgpr.asm: Likewise.
8326         * config/rs6000/crtsavfpr.asm: Likewise.
8327
8328         * dwarf2out.c (output_cfi_directive): Pass 1 instead of 0 to second
8329         argument of DWARF2_FRAME_REG_OUT macros.
8330
8331 2009-06-03  Julian Brown  <julian@codesourcery.com>
8332
8333         * config/arm/arm.c (arm_hard_regno_mode_ok): Permit values of four
8334         words or less (including TImode) in core registers.
8335
8336 2009-06-03  Richard Guenther  <rguenther@suse.de>
8337
8338         PR middle-end/40328
8339         * fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.
8340
8341 2009-06-03  Andrey Belevantsev  <abel@ispras.ru>
8342
8343         * statistics.c (statistics_counter_event): Do not record event
8344         in pass dump if its number == -1.
8345         (curr_statistics_hash): Add assert that we never get passes
8346         with static number == -1.
8347
8348 2009-06-03  Richard Guenther  <rguenther@suse.de>
8349             Andrey Belevantsev  <abel@ispras.ru>
8350
8351         * cfgexpand.c (discover_nonconstant_array_refs_r): Make only
8352         non-BLKmode arrays addressable.
8353
8354 2009-06-03  Maxim Kuvyrkov  <maxim@codesourcery.com>
8355
8356         * config/m68k/linux.h (HAVE_GAS_BALIGN_AND_P2ALIGN): Move to ...
8357         * config/m68k/m68k.h: ... here.
8358         * testsuite/gcc.dg/falign-labels.c (dg-options): Don't restrict for
8359         m68k and fido.
8360
8361 2009-06-03  Martin Jambor  <mjambor@suse.cz>
8362
8363         PR tree-optimization/40323
8364         * ipa-prop.c (get_ssa_def_if_simple_copy): Break if not single
8365         assignment.
8366
8367 2009-06-03  Richard Guenther  <rguenther@suse.de>
8368
8369         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
8370         consistently.
8371
8372 2009-06-03  Shujing Zhao  <pearly.zhao@oracle.com>
8373
8374         * config/sh/predicates.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
8375         JUMP_P, CALL_P, NONJUMP_INSN_P, NOTE_P, BARRIER_P and
8376         JUMP_TABLE_DATA_P where applicable.
8377         * config/sh/sh.c: Ditto.
8378         * config/sh/sh.h: Ditto.
8379         * config/sh/sh.md: Ditto.
8380         * config/sh/symbian.c: Ditto.
8381
8382 2009-06-03  Uros Bizjak  <ubizjak@gmail.com>
8383
8384         * config/i386/driver-i386.c (describe_cache): Optimize
8385         concatenation of strings.  Use snprintf instead of sprintf.
8386         (host_detect_local_cpu): Ditto.  Ignore -march and -mtune for native
8387         target when not compiling with GCC.
8388
8389 2009-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
8390
8391         * config/sh/sh.c: Revert last change.
8392         (sh_expand_epilogue): Emit a blockage insn before the frame
8393         pointer adjustment unconditionally.
8394
8395 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
8396
8397         * config/pa/pa-hpux.h (LINK_SPEC): Remove "%<fwhole-program".
8398         * config/pa/pa-hpux10.h (LINK_SPEC): Likewise.
8399         * config/pa/pa-hpux11.h (LINK_SPEC): Likewise.
8400         * gcc.c (set_collect_gcc_options): Don't add -fwhole-program
8401         to COLLECT_GCC_OPTIONS.
8402
8403 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
8404
8405         * collect2.c (target_system_root): New variable.
8406         (main): Handle --sysroot=.
8407         (ignore_library): Strip the sysroot from the library path.
8408
8409 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
8410
8411         * Makefile.in (COLLECT2_OBJS): Add collect2-aix.o.
8412         (collect2.o): Depend on collect2-aix.h.
8413         (collect2-aix.o): New rule.
8414         * collect2-aix.h: New file.
8415         * collect2-aix.c: Likewise.
8416         * collect2.c: Include collect2-aix.h.  Don't undefine
8417         OBJECT_FORMAT_COFF if CROSS_AIX_SUPPORT is defined.
8418         Guard native includes with #ifndef CROSS_DIRECTORY_STRUCTURE.
8419         Use TARGET_AIX_VERSION instead of _AIX51.
8420         * config/rs6000/aix43.h (TARGET_AIX_VERSION): Define.
8421         * config/rs6000/aix51.h (TARGET_AIX_VERSION): Likewise.
8422         * config/rs6000/aix52.h (TARGET_AIX_VERSION): Likewise.
8423         * config/rs6000/aix53.h (TARGET_AIX_VERSION): Likewise.
8424         * config/rs6000/aix61.h (TARGET_AIX_VERSION): Likewise.
8425
8426 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
8427
8428         * collect2.c (ignore_library): Avoid premature post-increment
8429         and null deference.
8430
8431 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
8432
8433         * Makefile.in (libgcc.mvars): Add TARGET_SYSTEM_ROOT.
8434         * config/rs6000/aix.h (LINK_SYSCALLS_SPEC): Add %R to the
8435         !CROSS_DIRECTORY_STRUCTURE alternative and use it for
8436         CROSS_DIRECTORY_STRUCTURE too.
8437         (LINK_LIBG_SPEC): Likewise.
8438         (LIB_SPEC): Add %R to sysroot paths.
8439         * config/rs6000/aix43.h (CPP_SPEC): Add %R to sysroot paths.
8440         (CPLUSPLUS_CPP_SPEC, LIB_SPEC): Likewise.
8441         * config/rs6000/aix51.h: As for aix43.h.
8442         * config/rs6000/aix52.h: Likewise.
8443         * config/rs6000/aix53.h: Likewise.
8444         * config/rs6000/aix61.h: Likewise.
8445         * config/rs6000/t-aix52 (SHLIB_LINK): Add $(TARGET_SYSTEM_ROOT)
8446         to the beginning of sysroot paths.
8447
8448 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8449
8450         * print_rtl (print_rtx): Don't print modes in EXPR_LISTs and
8451         INSN_LISTs that are out of the REG_NOTE range.
8452
8453 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8454
8455         * loop-unroll.c (struct iv_to_split): Add pointer to next.
8456         (struct var_to_expand): Likewise.
8457         (struct opt_info): Add head and tail for linked lists of the above.
8458         (analyze_insn_to_expand_var): Initialize next.
8459         (analyze_iv_to_split_insn): Likewise.
8460         (analyze_insns_in_loop): Create linked lists.
8461         (allocate_basic_variable): Simplify for use without hash table.
8462         (insert_var_expansion_initialization): Likewise, make it type-safer.
8463         (combine_var_copies_in_loop_exit): Likewise.
8464         (apply_opt_in_copies): Walk lists rather than hash tables.
8465         (release_var_copies): Simplified and inlined by hand into...
8466         (free_opt_info): ... this function.
8467
8468 2009-06-02  Richard Guenther  <rguenther@suse.de>
8469
8470         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
8471         for field decls.
8472
8473 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8474
8475         * cfgexpand.c (gimple_expand_cfg): Discard the source location
8476         only for builtins that are not overridden.
8477
8478 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8479
8480         * gengtype.c (adjust_field_rtx_def): Add NOTE_INSN_DELETED_LABEL's
8481         label string.
8482
8483 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8484
8485         * df-core.c (df_ref_debug): Honor -fdump-noaddr.
8486
8487 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8488
8489         * combine.c (move_deaths): Compare LUIDs within the same BB only.
8490
8491 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8492
8493         * common.opt (fdump-unnumbered-links): New.
8494         * doc/invoke.texi (-fdump-unnumbered-links): Document it.
8495         * print-rtl.c (flag_dump_unnumbered_links): New.
8496         (print_rtx): Test it.
8497
8498 2009-06-02  Richard Earnshaw  <rearnsha@arm.com>
8499
8500         * arm.c (arm_get_frame_offsets): Prefer using r3 for padding a
8501         push/pop multiple to 8-byte alignment.
8502
8503 2009-06-01  Jakub Jelinek  <jakub@redhat.com>
8504
8505         * config/i386/i386.c (queued_cfa_restores): New static variable.
8506         (ix86_add_cfa_restore_note, ix86_add_queued_cfa_restore_notes): New
8507         functions.
8508         (pro_epilogue_adjust_stack): Call ix86_add_queued_cfa_restore_notes.
8509         (ix86_emit_restore_reg_using_pop): Add RED_OFFSET argument.
8510         Set RTX_FRAME_RELATED_P immediately after adding a REG_CFA_* note.
8511         Call ix86_add_cfa_restore_note instead of adding REG_CFA_OFFSET
8512         note unconditionally.
8513         (ix86_emit_restore_regs_using_mov): Likewise.
8514         (ix86_emit_restore_sse_regs_using_mov): Likewise.
8515         (ix86_emit_restore_regs_using_pop): Add RED_OFFSET argument, pass
8516         it through to ix86_emit_restore_reg_using_pop.
8517         (ix86_emit_leave): Add RED_OFFSET argument.  Call
8518         ix86_add_queued_cfa_restore_notes.  Call ix86_add_cfa_restore_note
8519         instead of adding REG_CFA_OFFSET note unconditionally.
8520         (ix86_expand_epilogue): Compute RED_OFFSET, pass it down to
8521         the above functions.  Call ix86_add_queued_cfa_restore_notes when
8522         needed.
8523
8524         * dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
8525         force output of the label even for dwarf2out_do_cfi_asm.
8526         (add_fde_cfi): If -g2 and above and cfi might change CFA,
8527         force creation of CFI label and chain DW_CFA_set_loc jumping to it
8528         for convert_cfa_to_fb_loc_list.  Adjust other dwarf2out_cfi_label
8529         caller.
8530         (dwarf2out_stack_adjust, dwarf2out_frame_debug,
8531         dwarf2out_begin_epilogue, dwarf2out_frame_debug_restore_state): Adjust
8532         dwarf2out_cfi_label callers.
8533         * tree.h (dwarf2out_cfi_label): Adjust prototype.
8534         * config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
8535         Adjust dwarf2out_cfi_label callers.
8536         * config/vax/vax.c (vax_output_function_prologue): Likewise.
8537
8538         * config/i386/i386.h (struct machine_cfa_state,
8539         struct machine_function): Guard with ifndef USED_FOR_TARGET
8540         instead of not IN_LIBGCC2 and not in IN_TARGET_LIBS.
8541
8542         PR other/40024
8543         * emutls.c (__emutls_get_address): Change arr->size to mean number
8544         of allocated arr->data entries instead of # of slots + 1.
8545
8546         PR middle-end/40316
8547         * recog.c (peep2_reinit_state): New function.
8548         (peephole2_init_state): Use it at the end of a basic block and also
8549         when seeing a RTX_FRAME_RELATED_P insn.
8550
8551 2009-06-01  Steve Ellcey  <sje@cup.hp.com>
8552
8553         * ia64.md (floatdirf2, fix_truncrfdi, floatunsdirf,
8554         fixuns_truncrfdi2): New.
8555         (fix_truncxfdi2_alts, fixuns_truncxfdi2_alts,
8556         *nmaddsf4_alts, *nmadddf4_alts, *nmadddf4_truncsf_alts,
8557         *mulxf3_alts, *mulxf3_truncsf_alts, *mulxf3_truncdf_alts,
8558         *maddxf4_alts, *maddxf4_alts_truncsf, *maddxf4_alts_truncdf,
8559         *nmaddxf4_alts, *nmaddxf4_truncsf_alts, *nmaddxf4_truncdf_alts,
8560         *recip_approx): Remove.
8561         (divsi3 modsi3, udivsi3, umodsi3, divsi3_internal, divdi3,
8562         moddi3, udivdi3, umoddi3, divdi3_internal_lat, divdi3_internal_thr,
8563         divsf3, sqrtsf2, divdf3, sqrtdf2, divxf3, sqrtxf2): Modify and
8564         move to div.md.
8565         * div.md (fix_truncrfdi2_alts, fixuns_truncrfdi2_alt,
8566         setf_exp_rf): New.
8567
8568 2009-06-01  Ian Lance Taylor  <iant@google.com>
8569
8570         * attribs.c (register_attribute): Use CONST_CAST.
8571         * collect2.c (main): Use CONST_CAST2.
8572         (scan_prog_file): Likewise.
8573         * gcc.c (process_command, main): Likewise.
8574         * toplev.c (toplev_main): Likewise.
8575
8576         * c-typeck.c (handle_warn_cast_qual): New static function,
8577         partially broken out of build_c_cast.
8578         (build_c_cast): Call handle_warn_cast_qual.
8579         * doc/invoke.texi (Warning Options): Document new effect of
8580         -Wcast-qual.
8581
8582 2009-06-01  Aldy Hernandez  <aldyh@redhat.com>
8583
8584         * diagnostic.c (diagnostic_build_prefix): Always print columns.
8585         (diagnostic_report_current_module): Print columns.
8586         * common.opt (flag_show_column): Enable by default.
8587
8588 2009-06-01  Luis Machado  <luisgpm@br.ibm.com>
8589
8590         * alias.c (find_base_term): Check for NULL term before returning.
8591
8592 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
8593
8594         Revert due to PR40320:
8595         2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
8596         * calls.c (emit_library_call_value_1): Don't force_operand for move
8597         and push insns.
8598
8599 2009-06-01  Olivier Hainque  <hainque@adacore.com>
8600             Eric Botcazou  <ebotcazou@adacore.com>
8601
8602         * tree.h (CONSTRUCTOR_BITFIELD_P): True if NODE, a FIELD_DECL, is
8603         to be processed as a bitfield for constructor output purposes.
8604         * output.h (initializer_constant_valid_for_bitfield_p): Declare
8605         new function.
8606         * varasm.c (oc_local_state): New type, output_constructor
8607         local state to support communication with helpers.
8608         (oc_outer_state): New type, output_constructor outer state of
8609         relevance in recursive calls.
8610         (output_constructor_array_range): New output_constructor helper,
8611         extracted code for an array range element.
8612         (output_constructor_regular_field): New output_constructor helper,
8613         extracted code for an element that is not a bitfield.
8614         (output_constructor_bitfield): New output_constructor helper,
8615         extracted code for a bitfield element.  Accept an OUTER state
8616         argument for recursive processing.  Recurse on record or array
8617         CONSTRUCTOR values, possibly past noop conversions.
8618         (initializer_constant_valid_for_bitfield_p): New predicate.  Whether
8619         VALUE is a valid constant-valued expression for use in a static
8620         bit-field initializer.
8621         (output_constructor): Rework to use helpers.  Accept and honor an
8622         OUTER state argument for recursive calls.  Return total size.  Be
8623         prepared for nested constructors initializing bitfields.
8624         (output_constant): Feed OUTER in calls to output_constructor.
8625
8626 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
8627
8628         * calls.c (emit_library_call_value_1): Don't force_operand for move
8629         and push insns.
8630
8631 2009-06-01  Nick Clifton  <nickc@redhat.com>
8632
8633         * doc/invoke.texi (IA-64 Options): Fix typo.
8634
8635 2009-06-01  Ira Rosen  <irar@il.ibm.com>
8636
8637         PR tree-optimization/39129
8638         * tree-vect-loop-manip.c (conservative_cost_threshold): Change the
8639         printed message.
8640         (vect_do_peeling_for_loop_bound): Use
8641         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
8642         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
8643         (vect_loop_versioning): Likewise.
8644         (vect_create_cond_for_alias_checks): Fix indentation.
8645         * tree-vectorizer.h (struct _loop_vec_info): Fix indentation of the
8646         macros.
8647         (LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT): Define.
8648         (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Likewise.
8649         * tree-vect-loop.c (vect_analyze_loop_form): Change "too many BBs" to
8650         "control flow in loop".
8651         (vect_estimate_min_profitable_iters): Use
8652         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
8653         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
8654         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
8655         (vect_create_data_ref_ptr): Don't mention array dimension in printing.
8656         * tree-vect-stmts.c (vectorizable_store): Replace the check that the
8657         statement belongs to a group of strided accesses with the exact code
8658         check.
8659         (vectorizable_load): Likewise.
8660         * tree-vect-slp.c (vect_analyze_slp_instance): Spell out "basic block".
8661         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
8662
8663 2009-06-01  Gerald Pfeifer  <gerald@pfeifer.com>
8664
8665         * config/freebsd-stdint.h: New file.
8666         * config.gcc (*-*-freebsd): Set use_gcc_stdint=wrap.
8667         Add freebsd-stdint.h to tm_file.
8668
8669 2009-06-01  Richard Earnshaw  <rearnsha@arm.com>
8670
8671         * arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split.
8672         (thumb2_extendhidi2): Likewise.
8673
8674 2009-05-31  Ian Lance Taylor  <iant@google.com>
8675
8676         * regstat.c (regstat_n_sets_and_refs): Remove duplicate definition.
8677
8678 2009-05-31  Ian Lance Taylor  <iant@google.com>
8679
8680         * Makefile.in (except.o): Depend upon gt-except.h, not gt-$(EXCEPT_H).
8681         (ipa-cp.o): Depend upon $(FIBHEAP_H) and $(PARAMS_H).
8682         (ipa-reference.o): Depend upon gt-ipa-reference.h.
8683
8684 2009-05-31  Jason Merrill  <jason@redhat.com>
8685
8686         * tree-pretty-print.c (print_call_name): Take the callee, not the
8687         call itself.  Make non-static.  Use dump_function_name for functions.
8688         (dump_generic_node): Adjust.
8689         * diagnostic.h: Declare print_call_name.
8690         * gimple-pretty-print.c (dump_gimple_call): Use it.
8691
8692 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
8693
8694         * config/sh/sh.md (ashldi3_std): New define_expand.
8695         (ashldi3): Use it.
8696
8697 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
8698
8699         PR target/40313
8700         * config/sh/sh.c: Include debug.h.
8701         (sh_expand_epilogue): Emit a blockage insn before the frame
8702         pointer adjustment also when dwarf2out_do_frame returns true.
8703
8704 2009-05-31  Richard Earnshaw  <rearnsha@arm.com>
8705
8706         * arm/thumb2.md (thumb2_extendsidi2): Add a split sub-pattern.
8707         (thumb2_extendqidi2): New pattern.
8708
8709 2009-05-31  Ira Rosen  <irar@il.ibm.com>
8710
8711         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't
8712         mark phis for renaming.
8713         * tree-vectorizer.c (vect_memsyms_to_rename): Remove.
8714         (vectorize_loops): Don't allocate and free vect_memsyms_to_rename.
8715         Call mark_sym_for_renaming.
8716         * tree-vectorizer.h (vect_memsyms_to_rename): Remove.
8717         * tree-vect-loop.c (vect_transform_loop): Remove
8718         vect_memsyms_to_rename initialization and a call to
8719         mark_set_for_renaming.
8720
8721 2009-05-31  Jakub Jelinek  <jakub@redhat.com>
8722
8723         PR middle-end/40304
8724         * config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns
8725         frame related even if !set_cfa && style < 0.
8726
8727 2009-05-30  Kai Tietz  <kai.tietz@onevision.com>
8728
8729         * config/i386/mingw-tls.c: New file.
8730         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Add mingw-tls.c file.
8731         * gthr-win32.h (MINGW32_SUPPORTS_MT_EH): Define it for targets
8732         defining _WIN32 but not __CYGWIN__.
8733
8734 2009-05-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8735
8736         * configure.ac: Add MPC support.
8737
8738         * config.in, configure: Regenerate.
8739
8740 2009-05-29  Richard Henderson  <rth@redhat.com>
8741
8742         * cfgcleanup.c (try_crossjump_to_edge): Only skip past
8743         NOTE_INSN_BASIC_BLOCK.
8744         * cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
8745         Duplicate NOTE_INSN_EPILOGUE_BEG notes.
8746         * cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
8747         to be deleted.
8748         * dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
8749         add in_use field.
8750         (add_cfi): Disable check redefining cfa away from drap.
8751         (lookup_cfa_1): Add remember argument; handle remember/restore.
8752         (lookup_cfa): Pass remember argument.
8753         (cfa_remember): New.
8754         (compute_barrier_args_size_1): Remove sibcall check.
8755         (dwarf2out_frame_debug_def_cfa): New.
8756         (dwarf2out_frame_debug_adjust_cfa): New.
8757         (dwarf2out_frame_debug_cfa_offset): New.
8758         (dwarf2out_frame_debug_cfa_register): New.
8759         (dwarf2out_frame_debug_cfa_restore): New.
8760         (dwarf2out_frame_debug): Handle REG_CFA_* notes.
8761         (dwarf2out_begin_epilogue): New.
8762         (dwarf2out_frame_debug_restore_state): New.
8763         (dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
8764         DW_CFA_restore_state.
8765         (output_cfi_directive): Likewise.
8766         (convert_cfa_to_fb_loc_list): Likewise.
8767         (dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
8768         * dwarf2out.h: Update.
8769         * emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
8770         (copy_insn_1): Early out for null.
8771         * final.c (final_scan_insn): Call dwarf2out_begin_epilogue
8772         and dwarf2out_frame_debug_restore_state.
8773         * function.c (prologue, epilogue, sibcall_epilogue): Remove.
8774         (prologue_insn_hash, epilogue_insn_hash): New.
8775         (free_after_compilation): Adjust freeing accordingly.
8776         (record_insns): Create hash table if needed; push insns into
8777         hash instead of array.
8778         (maybe_copy_epilogue_insn): New.
8779         (contains): Search hash table instead of array.
8780         (sibcall_epilogue_contains): Remove.
8781         (thread_prologue_and_epilogue_insns): Split eh_return insns
8782         and mark them as epilogues.
8783         (reposition_prologue_and_epilogue_notes): Rewrite epilogue
8784         scanning in terms of basic blocks.
8785         * insn-notes.def (CFA_RESTORE_STATE): New.
8786         * jump.c (returnjump_p_1): Accept EH_RETURN.
8787         (eh_returnjump_p_1, eh_returnjump_p): New.
8788         * reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
8789         CFA_REGISTER, CFA_RESTORE): New.
8790         * rtl.def (EH_RETURN): New.
8791         * rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.
8792
8793         * config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
8794         (eh_return_internal): Use eh_return rtx; split w/ epilogue.
8795
8796         * config/i386/i386.c (gen_push): Update cfa state.
8797         (pro_epilogue_adjust_stack): Add set_cfa argument.  When true,
8798         add a CFA_ADJUST_CFA note.
8799         (ix86_dwarf_handle_frame_unspec): Remove.
8800         (ix86_expand_prologue): Update cfa state.
8801         (ix86_emit_restore_reg_using_pop): New.
8802         (ix86_emit_restore_regs_using_pop): New.
8803         (ix86_emit_leave): New.
8804         (ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
8805         (ix86_expand_epilogue): Add notes for unwinding the epilogue.
8806         * config/i386/i386.h (struct machine_cfa_state): New.
8807         (ix86_cfa_state): New.
8808         * config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
8809         (eh_return_internal): Merge from eh_return_<mode>,
8810         use eh_return rtx, split w/ epilogue.
8811
8812 2009-05-29  Ian Lance Taylor  <iant@google.com>
8813
8814         * builtins.c (validate_gimple_arglist): Don't use va_arg with
8815         enum type.
8816         * calls.c (emit_library_call_value_1): Likewise.
8817
8818         * c-typeck.c (c_build_va_arg): New function.
8819         * c-tree.h (c_build_va_arg): Declare.
8820         * c-parser.c (c_parser_postfix_expression): Call c_build_va_arg
8821         instead of build_va_arg.
8822
8823 2009-05-29  Eric Botcazou  <ebotcazou@adacore.com>
8824
8825         * tree-ssa-loop-ivopts.c (strip_offset_1) <MULT_EXPR>: New case.
8826         (force_expr_to_var_cost) <NEGATE_EXPR>: Likewise.
8827         (ptr_difference_cost): Use affine combinations to compute it.
8828         (difference_cost): Likewise.
8829         (get_computation_cost_at): Compute more accurate cost for addresses
8830         if the ratio is a multiplier allowed in addresses.
8831         For non-addresses, consider that an additional offset or symbol is
8832         added only once.
8833
8834 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
8835
8836         * config/i386/i386.c (ix86_decompose_address): Avoid useless
8837         0 displacement.  Add 0 displacement if base is %[er]bp or %r13.
8838
8839         * config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for
8840         TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default.
8841         (prefix_rex): For UNIT_MMX don't imply the prefix by default
8842         if MODE_DI.
8843         (prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and
8844         to 1 for TYPE_SSE{IADD1,CVT1}.
8845         (prefix_vex_imm8): Removed.
8846         (length_vex): Only pass 1 as second argument to
8847         ix86_attr_length_vex_default if prefix_extra is 0.
8848         (modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT.
8849         (length): For prefix vex computation use length_immediate
8850         attribute instead of prefix_vex_imm8.
8851         (cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64,
8852         addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0,
8853         *andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1,
8854         *xorqi_cc_ext_1_rex64): Override modrm attribute to 1.
8855         (extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2,
8856         *extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit
8857         a space in between the operands.
8858         (*anddi_1_rex64, *andsi_1): Likewise.  Override prefix_rex to 1
8859         if one operand is 0xff and the other one si, di, bp or sp.
8860         (*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the
8861         other one si, di, bp or sp.
8862         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute.
8863         (*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add
8864         type and mode attributes.
8865         (*bsr, *bsr_rex64, *bsrhi): Add type attribute.
8866         (*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear
8867         prefix_rep attribute and set prefix_data16 attribute iff MODE_DF.
8868         (*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set
8869         prefix_data16 attribute iff MODE_DF.
8870         (*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute.
8871         (fix_trunc<mode>di_sse): Set prefix_rex attribute.
8872         (*adddi_4_rex64, *addsi_4): Use const128_operand instead of
8873         constm128_operand in length_immediate computation.
8874         (*addhi_4): Likewise.  Fix mode attribute to MODE_HI.
8875         (anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq.
8876         (*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set
8877         length_immediate attribute to 1.
8878         (x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute.
8879         (*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes
8880         for certain alternatives.
8881         (*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override
8882         prefix_data16 attribute if MODE_V1DF.
8883         (*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set
8884         length_immediate to 1.
8885         (set_got_rex64, set_rip_rex64): Remove length attribute, set
8886         length_address to 4, set mode attribute to MODE_DI.
8887         (set_got_offset_rex64): Likewise.  Set length_immediate to 0.
8888         (fxam<mode>2_i387): Set length attribute to 4.
8889         (*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow,
8890         *prefetch_3dnow_rex): Override length_address attribute.
8891         (sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex
8892         attributes.
8893         * config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate.
8894         (constm128_operand): Removed.
8895         * config/i386/i386.c (memory_address_length): For
8896         disp && !index && !base in 64-bit mode account for SIB byte if
8897         print_operand_address can't optimize disp32 into disp32(%rip)
8898         and UNSPEC doesn't imply (%rip) addressing.  Add 1 to length
8899         for fs: or gs: segment.
8900         (ix86_attr_length_immediate_default): When checking if shortform
8901         is possible, truncate immediate to the length of the non-shortened
8902         immediate.
8903         (ix86_attr_length_address_default): Ignore MEM_P operands
8904         with X constraint.
8905         (ix86_attr_length_vex_default): Only check for DImode on
8906         GENERAL_REG_P operands.
8907         * config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear
8908         prefix_rep attribute, set prefix_data16 attribute iff MODE_DF.
8909         (sse_cvttps2pi): Clear prefix_rep attribute.
8910         (sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16
8911         attribute.
8912         (*sse2_cvttpd2dq): Don't clear prefix_rep attribute.
8913         (*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3,
8914         *avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1
8915         iff operand 2 is const_int_operand.
8916         (*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>,
8917         sse2_shufpd_<mode>): Set length_immediate attribute to 1.
8918         (sse2_pshufd_1): Likewise.  Set prefix attribute to maybe_vex
8919         instead of vex.
8920         (sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear
8921         prefix_data16.
8922         (sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set
8923         prefix_data16 attribute for movlpd and movhpd instructions.
8924         (sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise.  Override
8925         length_immediate for shufpd instruction.
8926         (sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute.
8927         (avx_cmpp<avxmodesuffixf2c><mode>3,
8928         avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3,
8929         <sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3,
8930         avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>,
8931         *vec_dupv4sf_avx, *vec_dupv4sf): Set length_immediate attribute to 1.
8932         (*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4.
8933         (sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1.
8934         (sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override
8935         prefix_data16 attribute for the first alternative to 1.
8936         (*avx_loadlps): Override length_immediate for the first alternative.
8937         (*vec_concatv2sf_avx): Override length_immediate and prefix_extra
8938         attributes for second alternative.
8939         (*vec_concatv2sf_sse4_1): Override length_immediate and
8940         prefix_data16 attributes for second alternative.
8941         (*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>,
8942         vec_extract_hi_<mode>, vec_extract_lo_v16hi,
8943         vec_extract_hi_v16hi, vec_extract_lo_v32qi,
8944         vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1.
8945         (*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set
8946         prefix_data16 and length_immediate to 1.
8947         (*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra
8948         to 1.
8949         (*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set
8950         prefix_extra attribute for variants that don't have 0f prefix alone.
8951         (*avx_pinsr<ssevecsize>): Likewise.  Set length_immediate to 1.
8952         (*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb,
8953         *sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory,
8954         *sse4_1_pextrd): Set length_immediate to 1.
8955         (*sse4_1_pinsrd): Likewise.  Set prefix_extra to 1.
8956         (*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate
8957         to 1.
8958         (*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64,
8959         *vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override
8960         length_immediate to 1 for second alternative.
8961         (*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override
8962         prefix_extra and length_immediate attributes for the first
8963         alternative.
8964         (vec_concatv2si_sse4_1): Override length_immediate to 1 for the
8965         first alternative.
8966         (*vec_concatv2di_rex64_sse4_1): Likewise.  Override prefix_rex
8967         to 1 for the first and third alternative.
8968         (*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second
8969         alternative.
8970         (*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex
8971         attribute.
8972         (*sse_sfence, sse2_mfence, sse2_lfence): Override length_address
8973         attribute to 0.
8974         (*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3,
8975         *avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi,
8976         *avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3,
8977         *avx_psign<mode>3): Set prefix_extra attribute to 1.
8978         (ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3,
8979         ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3,
8980         ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3,
8981         ssse3_psign<mode>3): Override prefix_rex attribute.
8982         (*avx_palignrti): Override prefix_extra and length_immediate to 1.
8983         (ssse3_palignrti): Override length_immediate to 1.
8984         (ssse3_palignrdi): Override length_immediate to 1, override
8985         prefix_rex attribute.
8986         (abs<mode>2): Override prefix_rep to 0, override prefix_rex attribute.
8987         (sse4a_extrqi): Override length_immediate to 2.
8988         (sse4a_insertqi): Likewise.  Override prefix_data16 to 0.
8989         (sse4a_insertq): Override prefix_data16 to 0.
8990         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>,
8991         avx_blendvp<avxmodesuffixf2c><avxmodesuffix>,
8992         avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw,
8993         *avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256,
8994         avx_rounds<avxmodesuffixf2c>256): Override prefix_extra
8995         and length_immediate to 1.
8996         (sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>,
8997         sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm,
8998         sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri,
8999         sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16
9000         and length_immediate to 1.
9001         (sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1.
9002         (sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1.
9003         (*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>,
9004         avx_ptest256): Override prefix_extra to 1.
9005         (sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>):
9006         Override prefix_data16 and length_immediate to 1.
9007         (sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi,
9008         sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si,
9009         sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di,
9010         sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override
9011         prefix_data16 to 0 and prefix_extra to 2.
9012         (sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1.
9013         (sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra
9014         attribute.
9015         (*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3,
9016         sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3):
9017         Override prefix_data16 and prefix_rep to 0, length_immediate to 1
9018         and prefix_extra to 2.
9019         (sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override
9020         prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2.
9021         (*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast,
9022         avx_vpermilvar<mode>3,
9023         avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>,
9024         avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256,
9025         avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>,
9026         avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>):
9027         Override prefix_extra to 1.
9028         (aeskeygenassist, pclmulqdq): Override length_immediate to 1.
9029         (*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3,
9030         vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi,
9031         vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override
9032         prefix_extra and length_immediate to 1.
9033         (*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override
9034         modrm to 0.
9035         (*vec_concat<mode>_avx): Override prefix_extra and length_immediate
9036         to 1 for the first alternative.
9037         * config/i386/mmx.md (*mov<mode>_internal_rex64): Override
9038         prefix_rep, prefix_data16 and/or prefix_rex attributes in certain
9039         cases.
9040         (*mov<mode>_internal_avx, *movv2sf_internal_rex64,
9041         *movv2sf_internal_avx, *movv2sf_internal): Override
9042         prefix_rep attribute for certain alternatives.
9043         (*mov<mode>_internal): Override prefix_rep or prefix_data16
9044         attributes for certain alternatives.
9045         (*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex
9046         attributes for certain alternatives.
9047         (*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3,
9048         *mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2,
9049         mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3,
9050         mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3,
9051         *mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw,
9052         mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3,
9053         mmx_pswapdv2si2): Set prefix_extra attribute to 1.
9054         (mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set
9055         length_immediate to 1 if operand 2 is const_int_operand.
9056         (*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi,
9057         *vec_extractv2si_1): Set length_immediate attribute to 1.
9058         (*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if
9059         using old 3DNOW insn rather than SSE/3DNOW_A.
9060         (mmx_emms, mmx_femms): Clear modrm attribute.
9061
9062 2009-05-29  Martin Jambor  <mjambor@suse.cz>
9063
9064         * tree-sra.c:  New implementation of SRA.
9065
9066         * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): Removed.
9067         (PARAM_SRA_MAX_STRUCTURE_COUNT): Removed.
9068         (PARAM_SRA_FIELD_STRUCTURE_RATIO): Removed.
9069         * params.h (SRA_MAX_STRUCTURE_SIZE): Removed.
9070         (SRA_MAX_STRUCTURE_COUNT): Removed.
9071         (SRA_FIELD_STRUCTURE_RATIO): Removed.
9072         * doc/invoke.texi (sra-max-structure-size): Removed.
9073         (sra-field-structure-ratio): Removed.
9074
9075 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
9076
9077         PR middle-end/40291
9078         * builtins.c (expand_builtin_memcmp): Convert len to sizetype
9079         before expansion.
9080
9081 2009-05-29  Andrey Belevantsev  <abel@ispras.ru>
9082
9083         PR rtl-optimization/40101
9084         * sel-sched-ir.c (get_seqno_by_preds): Allow returning negative
9085         seqno.  Adjust comment.
9086         * sel-sched.c (find_seqno_for_bookkeeping): Assert that when
9087         inserting bookkeeping before a jump, the jump is not scheduled.
9088         When no positive seqno found, provide a value.  Add comment.
9089
9090 2009-05-29  Richard Guenther  <rguenther@suse.de>
9091
9092         * tree-ssa-alias.c (nonaliasing_component_refs_p): Remove
9093         short-cutting on the first component.
9094
9095 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
9096
9097         PR middle-end/39958
9098         * omp-low.c (scan_omp_1_op): Call remap_type on TREE_TYPE
9099         for trees other than decls/types.
9100
9101 2009-05-29  Richard Guenther  <rguenther@suse.de>
9102
9103         * tree-ssa-operands.c (get_expr_operands): Do not handle
9104         INDIRECT_REFs in the handled-component case.  Remove
9105         unused get_ref_base_and_extent case.
9106         * tree-dfa.c (get_ref_base_and_extent): Avoid calling
9107         tree_low_cst and host_integerp where possible.
9108         * tree-ssa-structalias.c (equiv_class_label_eq): Check hash
9109         codes for equivalence.
9110         * dce.c (find_call_stack_args): Avoid redundant bitmap queries.
9111
9112 2009-05-29  David Billinghurst <billingd@gcc.gnu.org>
9113
9114         * config.gcc: Add i386/t-fprules-softfp and soft-fp/t-softfp
9115         to tmake_file for i[34567]86-*-cygwin*.
9116
9117 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
9118
9119         PR target/40017
9120         * config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
9121         (altivec_categorize_keyword, init_vector_keywords,
9122         rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
9123         similar to bool.
9124
9125 2009-05-29  Kai Tietz  <kai.tietz@onevision.com>
9126
9127         * tree.c (handle_dll_attribute): Check if node is
9128         of kind FUNCTION_DECL for DECL_DECLARED_INLINE_P check.
9129
9130 2009-05-29  Richard Earnshaw  <rearnsha@arm.com>
9131
9132         * config/arm/thumb2.md (thumb2_zero_extendsidi2): Add a split
9133         component.
9134         (thumb2_zero_extendqidi2): Likewise.
9135
9136 2009-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9137
9138         * config/sh/sh.c (sh_expand_t_scc): Use gen_xorsi3_movrt
9139         instead of gen_movrt.
9140         * config/sh/sh.md (movrt): Remove.
9141
9142 2009-05-28  Steve Ellcey  <sje@cup.hp.com>
9143
9144         * doc/invoke.texi (IA-64 Options):
9145         Add -msdata, -mfused-madd, -mno-inline-float-divide,
9146         -mno-inline-int-divide, -mno-inline-sqrt, -msched-spec-ldc,
9147         -msched-spec-control-ldc, -msched-prefer-non-data-spec-insns,
9148         -msched-prefer-non-control-spec-insns,
9149         -msched-stop-bits-after-every-cycle,
9150         -msched-count-spec-in-critical-path,
9151         -msel-sched-dont-check-control-spec, -msched-fp-mem-deps-zero-cost
9152         -msched-max-memory-insns-hard-limit, -msched-max-memory-insns.
9153         Remove -mt, -pthread, -msched-ldc, -mno-sched-control-ldc,
9154         and -msched-spec-verbose.
9155
9156 2009-05-28  Joseph Myers  <joseph@codesourcery.com>
9157
9158         * config/arm/lib1funcs.asm (__clear_cache): Define if L_clear_cache.
9159         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define to give an
9160         error if used.
9161         * config/arm/t-linux-eabi (LIB1ASMFUNCS): Add _clear_cache.
9162
9163 2009-05-28  Richard Guenther  <rguenther@suse.de>
9164
9165         * tree-ssa-alias.c (ao_ref_init): New function.
9166         (ao_ref_base): Likewise.
9167         (ao_ref_base_alias_set): Likewise.
9168         (ao_ref_alias_set): Likewise.
9169         (refs_may_alias_p_1): Change signature.
9170         (refs_may_alias_p): Adjust.
9171         (refs_anti_dependent_p): Likewise.
9172         (refs_output_dependent_p): Likewise.
9173         (call_may_clobber_ref_p_1): Change signature.
9174         (call_may_clobber_ref_p): Adjust.
9175         (stmt_may_clobber_ref_p_1): New function split out from ...
9176         (stmt_may_clobber_ref_p): ... here.
9177         (maybe_skip_until): Adjust signature.
9178         (get_continuation_for_phi): Likewise.
9179         (walk_non_aliased_vuses): Likewise.
9180         * tree-ssa-alias.h (struct ao_ref_s): New structure type.
9181         (ao_ref_init): Declare.
9182         (ao_ref_base): Likewise.
9183         (ao_ref_alias_set): Likewise.
9184         (stmt_may_clobber_ref_p_1): Likewise.
9185         (walk_non_aliased_vuses): Adjust.
9186         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): New function.
9187         (get_ref_from_reference_ops): remove.
9188         (vn_reference_lookup_2): Adjust signature.
9189         (vn_reference_lookup_3): Do not re-build trees.  Handle unions.
9190         (vn_reference_lookup_pieces): Adjust signature, do not re-build trees.
9191         (vn_reference_lookup): Adjust.
9192         (vn_reference_insert): Likewise.
9193         (vn_reference_insert_pieces): Adjust signature.
9194         (visit_reference_op_call): Adjust.
9195         * tree-ssa-pre.c (get_expr_type): Simplify.
9196         (phi_translate_1): Adjust.
9197         (compute_avail): Likewise.
9198         (translate_vuse_through_block): Do not re-build trees.
9199         (value_dies_in_block_x): Likewise.
9200         * tree-ssa-sccvn.h (struct vn_reference_s): Add type and alias-set
9201         fields.
9202         (vn_reference_lookup_pieces): Adjust declaration.
9203         (vn_reference_insert_pieces): Likewise.
9204
9205 2009-05-28  Benjamin Kosnik  <bkoz@redhat.com>
9206
9207         * tree-ssa-copy.c (replace_exp_1): Move op for warning-free use
9208         with checking disabled.
9209
9210 2009-05-28  Dave Korn  <dave.korn.cygwin@gmail.com>
9211
9212         PR target/37216
9213
9214         * configure.ac (HAVE_GAS_ALIGNED_COMM):  Add autoconf test and
9215         macro definition for support of three-operand format aligned
9216         .comm directive in assembler on cygwin/pe/mingw target OS.
9217         * configure:  Regenerate.
9218         * config.h:  Regenerate.
9219
9220         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common):  Use
9221         aligned form of .comm directive if -mpe-aligned-commons is in effect.
9222         * config/i386/cygming.opt (-mpe-aligned-commons):  Add new option.
9223
9224         * doc/invoke.texi (-mpe-aligned-commons):  Document new target option.
9225         * doc/tm.texi (ASM_OUTPUT_COMMON):  Document zero size commons.
9226
9227 2009-05-28  Ira Rosen  <irar@il.ibm.com>
9228
9229         PR tree-optimization/40254
9230         * tree-data-ref.c (dr_analyze_innermost): Take POFFSET into account
9231         in analysis of basic blocks.
9232
9233 2009-05-28  Adam Nemet  <anemet@caviumnetworks.com>
9234
9235         PR middle-end/33699
9236         * target.h (struct gcc_target): Fix indentation.  Add const_anchor.
9237         * target-def.h (TARGET_CONST_ANCHOR): New macro.
9238         (TARGET_INITIALIZER): Use it.
9239         * cse.c (CHEAPER): Move it up to the other macros.
9240         (insert): Rename this ...
9241         (insert_with_costs): ... to this.  Add cost parameters.  Update
9242         function comment.
9243         (insert): New function.  Call insert_with_costs.
9244         (compute_const_anchors, insert_const_anchor, insert_const_anchors,
9245         find_reg_offset_for_const, try_const_anchors): New functions.
9246         (cse_insn): Call try_const_anchors.  Adjust cost of src_related
9247         when using a const-anchor.  Call insert_const_anchors.
9248         * config/mips/mips.c (mips_set_mips16_mode): Set targetm.const_anchor.
9249         * doc/tm.texi (Misc): Document TARGET_CONST_ANCHOR.
9250
9251 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
9252
9253         * tree-inline.c (remap_decls): Enable nonlocalized variables
9254         when not optimizing.
9255
9256 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
9257
9258         * tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
9259         Simplify other tests involving optimize.
9260
9261 2009-05-27  Tom Tromey  <tromey@redhat.com>
9262
9263         * unwind-dw2.c (_Unwind_DebugHook): New function.
9264         (uw_install_context): Call _Unwind_DebugHook.
9265
9266 2009-05-27  Tom Tromey  <tromey@redhat.com>
9267
9268         * system.h (CONST_CAST2): Use C++ const_cast when compiled as C++
9269
9270 2009-05-27  Ian Lance Taylor  <iant@google.com>
9271
9272         * Makefile.in (LINKER, LINKER_FLAGS): Define.
9273         (LINKER_FOR_BUILD, BUILD_LINKERFLAGS): Define.
9274         (ALL_LINKERFLAGS): Define.
9275         (xgcc$(exeext)): Change $(COMPILER) to $(LINKER).
9276         (cpp$(exeext), cc1-dummy$(exeext), cc1$(exeext)): Likewise.
9277         (collect2$(exeext), mips-tfile, mips-tdump): Likewise.
9278         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
9279         (build/gen%$(build_exeext)): Change $(COMPILER_FOR_BUILD) to
9280         $(LINKER_FOR_BUILD).
9281         (build/gcov-iov$(build_exeext)): Likewise.
9282
9283 2009-05-27  Julian Brown  <julian@codesourcery.com>
9284
9285         * gcse.c (target.h): Include.
9286         (can_assign_to_reg_without_clobbers_p): Check that the target allows
9287         copy of argument to a pseudo register.
9288
9289 2009-05-27  Diego Novillo  <dnovillo@google.com>
9290
9291         * tree-ssa-live.c (dump_scope_block): Document arguments.
9292         (dump_scope_blocks): Document.
9293         (debug_scope_blocks): New.
9294         * tree-flow.h (debug_scope_blocks): Declare.
9295
9296 2009-05-21  Denis Chertykov  <denisc@overta.ru>
9297
9298         * doc/contrib.texi (Contributors): Add myself to the list.
9299
9300 2009-05-27  Olivier Hainque  <hainque@adacore.com>
9301
9302         * expr.c (target_align): New function.  Alignment the TARGET of an
9303         assignment may be assume to have.
9304         (highest_pow2_factor_for_target): Use it instead of relying on
9305         immediate tree attributes of TARGET, not necessarily honored when
9306         intermediate bitfields are involved.
9307
9308 2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>
9309
9310         PR target/40266
9311         * config/i386/driver-i386.c (host_detect_local_cpu): Support
9312         AVX, SSE4, AES, PCLMUL and POPCNT.
9313
9314 2009-05-27  Diego Novillo  <dnovillo@google.com>
9315
9316         * tree-pretty-print.c (dump_location): New.
9317         (dump_generic_node): Call it.
9318         Factor code to handle BLOCK nodes ...
9319         (dump_block_node): ... here.
9320
9321 2009-05-27  Rafael Avila de Espindola  <espindola@google.com>
9322
9323         * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h
9324         with it.
9325         * doc/plugins.texi: Document that gcc-plugin.h must be the first to be
9326         included.
9327         * gcc-plugin.h: Include config.h and system.h.
9328         (IN_GCC): Define if not defined.
9329
9330 2009-05-27  Hans-Peter Nilsson  <hp@axis.com>
9331
9332         PR middle-end/40249
9333         * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
9334         with -fno-inline.
9335
9336 2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>
9337
9338         * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
9339         applicable.
9340         * config/m32r/m32r.h: Ditto.
9341         * config/m32r/m32r.md: Ditto.
9342         * config/m32r/predicates.md: Ditto.
9343
9344 2009-05-27  Alexandre Oliva  <aoliva@redhat.com>
9345
9346         * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.
9347
9348 2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>
9349
9350         * doc/plugins.texi
9351         (Loading plugins): typo.
9352         (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
9353         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
9354         (Interacting with the GCC Garbage Collector): Added new section.
9355         (Giving information about a plugin): Added new section for
9356         PLUGIN_INFO.
9357         * ggc.h (ggc_register_root_tab): Added declaration.
9358         * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
9359         (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
9360         (register_callback): Improved comment in declaration.
9361         * ggc-common.c (const_ggc_root_tab_t) Added new typedef for vectors.
9362         (extra_root_vec) Added static variable for dynamic roots registration.
9363         (ggc_register_root_tab) Added new routine.
9364         (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
9365         PLUGIN_GGC_MARKING event.
9366         * ggc-zone.c: Include plugin.h.
9367         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
9368         * ggc-page.c: Include plugin.h.
9369         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
9370         * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
9371         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
9372         (register_callback): check lack of callbacks for
9373         pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
9374         PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
9375         (invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
9376         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
9377         * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
9378         dependency on plugin.h.
9379         (plugin.o): Added dependency on ggc.h...
9380
9381 2009-05-26  Richard Guenther  <rguenther@suse.de>
9382
9383         PR middle-end/40248
9384         Revert
9385         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
9386         with mismatched comparison modes.
9387
9388         * expr.c (expand_expr_real_1): Expand the operand of a
9389         VIEW_CONVERT_EXPR in its natural mode.
9390
9391 2009-05-26  Ian Lance Taylor  <iant@google.com>
9392
9393         * Makefile.in (COMPILER, COMPILER_FLAGS): Define.
9394         (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
9395         (ALL_COMPILERFLAGS): Define.
9396         (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
9397         (cc1-dummy$(exeext), cc1$(exeext)): Likewise.
9398         (collect2$(exeext), collect2.o): Likewise.
9399         (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
9400         (gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
9401         ($(out_object_file), mips-tfile, mips-tdump): Likewise.
9402         (libbackend.o, intl.o, cppdefault.o): Likewise.
9403         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
9404         (build/%.o): Use $(COMPILER_FOR_BUILD).
9405         (build/gen%$(build_exeext)): Likewise.
9406         (build/gcov-iov$(build_exeext)): LIkewise.
9407         * config/t-darwin (darwin.o): Use $(COMPILER).
9408         (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
9409         * config/t-sol2 (sol2-c.o): Likewise.
9410         (sol2.o): Likewise.
9411         * config/t-vxworks (vxworks.o): Likewise.
9412         * config/x-darwin (host-darwin.o): Likewise.
9413         * config/x-hpux (host-hpux.o): Likewise.
9414         * config/x-linux (host-linux.o): Likewise.
9415         * config/x-solaris (host-solaris.o): Likewise.
9416         * config/alpha/x-alpha (driver-alpha.o): Likewise.
9417         * config/arm/t-arm (arm-c.o): Likewise.
9418         * config/arm/t-pe (pe.o): Likewise.
9419         * config/arm/t-wince-pe (pe.o): Likewise.
9420         * config/i386/t-cygming (winnt.o): Likewise.
9421         (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
9422         * config/i386/t-cygwin (cygwin1.o): Likewise.
9423         (cygwin2.o): Likewise.
9424         * config/i386/t-i386 (i386-c.o): Likewise.
9425         * config/i386/t-interix (winnt.o): Likewise.
9426         * config/i386/t-netware (netware.o): Likewise.
9427         * config/i386/t-nwld (nwld.o): Likewise.
9428         * config/i386/x-darwin (host-i386-darwin.o): Likewise.
9429         * config/i386/x-i386 (driver-i386.o): Likewise.
9430         * config/i386/x-cygwin (host-cygwin.o): Likewise.
9431         * config/i386/x-mingw32 (host-mingw32.o): Likewise.
9432         * config/ia64/t-ia64 (ia64-c.o): Likewise.
9433         * config/m32c/t-m32c (m32c-pragma.o): Likewise.
9434         * config/mips/x-native (driver-native.o): Likewise.
9435         * config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
9436         * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
9437         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
9438         * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
9439         * config/score/t-score-elf (score7.o): Likewise.
9440         (score3.o): Likewise.
9441         * config/sh/t-sh (sh-c.o): Likewise.
9442         * config/sh/t-symbian (sh-c.o): Likewise.
9443         (symbian.o): Likewise.
9444         * config/spu/t-spu-elf (spu-c.o): Likewise.
9445         * config/v850/t-v850 (v850-c.o): Likewise.
9446         * config/v850/t-v850e (v850-c.o): Likewise.
9447
9448 2009-05-26  Richard Guenther  <rguenther@suse.de>
9449
9450         PR tree-optimization/40122
9451         * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
9452         VECTOR_CSTs if possible.
9453         (fold_gimple_assign): Likewise.
9454
9455 2009-05-26  Richard Guenther  <rguenther@suse.de>
9456
9457         PR middle-end/40252
9458         * fold-const.c (fold_binary): Use the correct types for building
9459         rotates.
9460
9461 2009-05-26  Richard Guenther  <rguenther@suse.de>
9462
9463         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
9464         redundant calls to merge_alias_info.
9465         (bump_vector_ptr): Likewise.
9466         * tree-ssa-copy.c (merge_alias_info): Remove.
9467         (replace_exp_1): Remove call to merge_alias_info.
9468         (propagate_tree_value): Likewise.
9469         (fini_copy_prop): Propagate points-to info.
9470         * tree-flow.h (merge_alias_info): Remove.
9471
9472 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
9473
9474         * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.
9475
9476 2009-05-25  Jan Hubicka  <jh@suse.cz>
9477
9478         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
9479         * cgraph.h (struct inline_summary): New filed self_wize,
9480         size_inlining_benefit, self_time and time_inlining_benefit.
9481         (struct cgraph_global_info): Replace insns by time ans size fields.
9482         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
9483         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
9484         (ipcp_update_callgraph): Do not touch function bodies.
9485         * ipa-inline.c: Include except.h
9486         (MAX_TIME): New constant.
9487         (overall_insns): Remove.
9488         (leaf_node_p): New.
9489         (overall_size, max_benefit): New static variables.
9490         (cgraph_estimate_time_after_inlining): New function.
9491         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
9492         (cgraph_clone_inlined_nodes): Update size.
9493         (cgraph_mark_inline_edge): Update size.
9494         (cgraph_estimate_growth): Use size info.
9495         (cgraph_check_inline_limits): Check size.
9496         (cgraph_default_inline_p): Likewise.
9497         (cgraph_edge_badness): Compute badness based on benefit and size cost.
9498         (cgraph_decide_recursive_inlining): Check size.
9499         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
9500         and times.
9501         (cgraph_decide_inlining): Likewise.
9502         (cgraph_decide_inlining_incrementally): Likewise; honor
9503         PARAM_EARLY_INLINING_INSNS.
9504         (likely_eliminated_by_inlining_p): New predicate.
9505         (estimate_function_body_sizes): New function.
9506         (compute_inline_parameters): Use it.
9507         * except.c (must_not_throw_labels): New function.
9508         * except.h (must_not_throw_labels): Declare.
9509         * tree-inline.c (init_inline_once): Kill inlining_weigths
9510         * tree-ssa-structalias.c: Avoid uninitialized warning.
9511         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
9512         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
9513         (PARAM_INLINE_CALL_COST): Remove.
9514         (PARAM_EARLY_INLINING_INSNS): New.
9515
9516 2009-05-25  Richard Guenther  <rguenther@suse.de>
9517
9518         PR tree-optimization/36327
9519         * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
9520         callback for reference translation or lookup at the point of may-defs.
9521         * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
9522         * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
9523         for union COMPONENT_REFs.
9524         (vn_reference_lookup_3): New callback.  Lookup from memset
9525         and CONSTRUCTOR assignment, translate through struct copies.
9526         (vn_reference_lookup_pieces): Make sure to not free the
9527         passed operands array.  Adjust walk_non_aliased_vuses call.
9528         (vn_reference_lookup): Adjust walk_non_aliased_vuses call,
9529         make sure we do not leak memory.
9530
9531 2009-05-25  Richard Guenther  <rguenther@suse.de>
9532
9533         * tree-ssa-alias.h (dump_points_to_solution): Declare.
9534         * tree-inline.c (expand_call_inline): Reset the escaped and
9535         callused solutions.
9536         * tree-ssa-structalias.c (pass_build_ealias): New.
9537         * tree-pass.h (pass_build_ealias): Declare.
9538         * passes.c (init_optimization_passes): Add PTA during
9539         early optimizations.
9540         * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
9541         and CALLUSED solutions.
9542         (dump_points_to_solution): New function, split out from ...
9543         (dump_points_to_info_for): ... here.
9544         * tree-parloops.c (parallelize_loops): Reset the escaped and
9545         callused solutions.
9546
9547 2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9548
9549         PR bootstrap/40027
9550         * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
9551         * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.
9552
9553 2009-05-25  Ira Rosen  <irar@il.ibm.com>
9554
9555         PR tree-optimization/40238
9556         * tree-vect-stmts.c (vect_init_vector): Insert initialization
9557         statements after basic block's labels.
9558         * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info()
9559         to free the allocated memory.
9560
9561 2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>
9562
9563         * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
9564         return address with a USE.
9565
9566 2009-05-24  Richard Guenther  <rguenther@suse.de>
9567
9568         PR middle-end/40233
9569         * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
9570         array type from the main variant of the inner type.
9571
9572 2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9573
9574         * config/vax/vax-protos.h (legitimate_constant_address_p): Change
9575         definition to bool (from int) to un-break build.
9576         (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.
9577
9578 2009-05-24  Paolo Bonzini  <bonzini@gnu.org>
9579
9580         * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
9581         discard_stmt_changes): Delete.
9582         * tree-ssa-operands.c (scb_stack): Delete.
9583         (init_ssa_operands): Do not initialize it.
9584         (fini_ssa_operands): Do not free it.
9585         (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.
9586
9587         * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with
9588         update_stmt, remove the others.  Fix comments.
9589         * tree-dfa.c (optimize_stack_restore): Likewise.
9590         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
9591         * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
9592         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
9593         * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
9594         Likewise.
9595         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
9596         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
9597         (dom_opt_finalize_block): Likewise, adjusting access to
9598         stmts_to_rescan.
9599         (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
9600         (stmts_to_rescan): Change item type to gimple.
9601         (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.
9602
9603 2009-05-24  Ira Rosen  <irar@il.ibm.com>
9604
9605         * doc/passes.texi (Tree-SSA passes): Document SLP pass.
9606         * tree-pass.h (pass_slp_vectorize): New pass.
9607         * params.h (SLP_MAX_INSNS_IN_BB): Define.
9608         * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
9609         * tree-vectorizer.c (timevar.h): Include.
9610         (user_vect_verbosity_level): Declare.
9611         (vect_location): Fix comment.
9612         (vect_set_verbosity_level): Update user_vect_verbosity_level
9613         instead of vect_verbosity_level.
9614         (vect_set_dump_settings): Add an argument. Ignore user defined
9615         verbosity if dump flags require higher level of verbosity. Print to
9616         stderr only for loop vectorization.
9617         (vectorize_loops): Update call to vect_set_dump_settings.
9618         (execute_vect_slp): New function.
9619         (gate_vect_slp): Likewise.
9620         (struct gimple_opt_pass pass_slp_vectorize): New.
9621         * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
9622         access its members.
9623         (vec_info_for_bb): New function.
9624         (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
9625         (VECTORIZATION_ENABLED): New macro.
9626         (SLP_ENABLED, SLP_DISABLED): Likewise.
9627         (vect_is_simple_use): Add bb_vec_info argument.
9628         (new_stmt_vec_info, vect_analyze_data_ref_dependences,
9629         vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
9630         vect_analyze_data_ref_accesses, vect_analyze_data_refs,
9631         vect_schedule_slp, vect_analyze_slp): Likewise.
9632         (vect_analyze_stmt): Add slp_tree argument.
9633         (find_bb_location): Declare.
9634         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
9635         * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
9636         (vect_analyze_loop_operations, vect_analyze_loop,
9637         get_initial_def_for_induction, vect_create_epilog_for_reduction,
9638         vect_finalize_reduction, vectorizable_reduction,
9639         vectorizable_live_operation, vect_transform_loop): Likewise.
9640         * tree-data-ref.c (dr_analyze_innermost): Update comment,
9641         skip evolution analysis if analyzing a basic block.
9642         (dr_analyze_indices): Likewise.
9643         (initialize_data_dependence_relation): Skip the test whether the
9644         object is invariant for basic blocks.
9645         (compute_all_dependences): Skip dependence analysis for data
9646         references in basic blocks.
9647         (find_data_references_in_stmt): Don't fail in case of invariant
9648         access in basic block.
9649         (find_data_references_in_bb): New function.
9650         (find_data_references_in_loop): Move code to
9651         find_data_references_in_bb and add a call to it.
9652         (compute_data_dependences_for_bb): New function.
9653         * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
9654         * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
9655         that STEP is 0.
9656         (vect_analyze_data_ref_dependence): Check for interleaving in case of
9657         unknown dependence in basic block and fail in case of dependence in
9658         basic block.
9659         (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
9660         dependence instances from either loop or basic block vectorization
9661         info.
9662         (vect_compute_data_ref_alignment): Check if it is loop vectorization
9663         before calling nested_in_vect_loop_p.
9664         (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
9665         dependence instances from either loop or basic block vectorization
9666         info.
9667         (vect_verify_datarefs_alignment): Likewise.
9668         (vect_enhance_data_refs_alignment): Adjust function calls.
9669         (vect_analyze_data_refs_alignment): Likewise.
9670         (vect_analyze_group_access): Fix printing. Skip different checks if
9671         DR_STEP is 0. Keep strided stores either in loop or basic block
9672         vectorization data structure. Fix indentation.
9673         (vect_analyze_data_ref_access): Fix comments, allow zero step in
9674         basic blocks.
9675         (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
9676         dependence instances from either loop or basic block vectorization
9677         info.
9678         (vect_analyze_data_refs): Update comment. Call
9679         compute_data_dependences_for_bb to analyze basic blocks.
9680         (vect_create_addr_base_for_vector_ref): Check for outer loop only in
9681         case of loop vectorization. In case of basic block vectorization use
9682         data-ref itself as a base.
9683         (vect_create_data_ref_ptr): In case of basic block vectorization:
9684         don't advance the pointer, add new statements before the current
9685         statement.  Adjust function calls.
9686         (vect_supportable_dr_alignment): Support only aligned accesses in
9687         basic block vectorization.
9688         * common.opt (ftree-slp-vectorize): New flag.
9689         * tree-vect-patterns.c (widened_name_p): Adjust function calls.
9690         (vect_pattern_recog_1): Likewise.
9691         * tree-vect-stmts.c (process_use): Likewise.
9692         (vect_init_vector): Add new statements in the beginning of the basic
9693         block in case of basic block SLP.
9694         (vect_get_vec_def_for_operand): Adjust function calls.
9695         (vect_finish_stmt_generation): Likewise.
9696         (vectorizable_call): Add assert that it is loop vectorization, adjust
9697         function calls.
9698         (vectorizable_conversion, vectorizable_assignment): Likewise.
9699         (vectorizable_operation): In case of basic block SLP, take
9700         vectorization factor from statement's type and skip the relevance
9701         check. Adjust function calls.
9702         (vectorizable_type_demotion): Add assert that it is loop
9703         vectorization, adjust function calls.
9704         (vectorizable_type_promotion): Likewise.
9705         (vectorizable_store): Check for outer loop only in case of loop
9706         vectorization. Adjust function calls. For basic blocks, skip the
9707         relevance check and don't advance pointers.
9708         (vectorizable_load): Likewise.
9709         (vectorizable_condition): Add assert that it is loop vectorization,
9710         adjust function calls.
9711         (vect_analyze_stmt): Add argument. In case of basic block SLP, check
9712         that it is not reduction, get vector type, call only supported
9713         functions, skip loop specific parts.
9714         (vect_transform_stmt): Check for outer loop only in case of loop
9715         vectorization.
9716         (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
9717         (vect_is_simple_use): Fix comment, add new argument, fix conditions
9718         for external definition.
9719         * passes.c (pass_slp_vectorize): New pass.
9720         * tree-vect-slp.c (find_bb_location): New function.
9721         (vect_get_and_check_slp_defs): Add argument, adjust function calls,
9722         check for patterns only in loops.
9723         (vect_build_slp_tree): Add argument, adjust function calls, fail in
9724         case of multiple types in basic block SLP.
9725         (vect_mark_slp_stmts_relevant): New function.
9726         (vect_supported_load_permutation_p): Fix comment.
9727         (vect_analyze_slp_instance): Add argument. In case of basic block
9728         SLP, take vectorization factor from statement's type, check that
9729         unrolling factor is 1. Adjust function call. Save SLP instance in
9730         either loop or basic block vectorization structure. Return FALSE,
9731         if SLP failed.
9732         (vect_analyze_slp): Add argument. Get strided stores groups from
9733         either loop or basic block vectorization structure. Return FALSE
9734         if basic block SLP failed.
9735         (new_bb_vec_info): New function.
9736         (destroy_bb_vec_info, vect_slp_analyze_node_operations,
9737         vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
9738         (vect_schedule_slp): Add argument. Get SLP instances from either
9739         loop or basic block vectorization structure. Set vectorization factor
9740         to be 1 for basic block SLP.
9741         (vect_slp_transform_bb): New function.
9742         * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.
9743
9744 2009-05-23  Mark Mitchell  <mark@codesourcery.com>
9745
9746         * final.c (shorten_branches): Do not align labels for jump tables.
9747         (final_scan_insn): Use JUMP_TABLE_DATA_P.
9748
9749 2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>
9750
9751         * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
9752         Remove outdated reference to flow.c and fix nits.
9753         * doc/gccint.texi: Tweak RTL description.
9754         * doc/rtl.texi: Likewise.
9755
9756 2009-05-23  Denis Chertykov  <chertykov@gmail.com>
9757
9758         * config/avr/avr.c: Change my email address.
9759         * config/avr/avr.h: Likewise.
9760         * config/avr/avr.md: Likewise.
9761         * config/avr/avr-protos.h: Likewise.
9762         * config/avr/libgcc.S: Likewise.
9763
9764 2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
9765
9766         * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
9767         (spu_split_load, spu_split_store): Change return type to int.
9768         (spu_split_convert): Declare.
9769         * config/spu/predicates.md (spu_mem_operand): Remove.
9770         (spu_mov_operand): Update.
9771         (spu_dest_operand, shiftrt_operator, extend_operator): Define.
9772         * config/spu/spu.c (regno_aligned_for_load): Remove.
9773         (reg_aligned_for_addr, spu_expand_load): Define.
9774         (spu_expand_extv): Reimplement and handle MEM.
9775         (spu_expand_insv): Handle MEM.
9776         (spu_sched_reorder): Handle insn's with length 0.
9777         (spu_legitimate_address_p): Reimplement.
9778         (store_with_one_insn_p): Return TRUE for any mode with size
9779         larger than 16 bytes.
9780         (address_needs_split): Define.
9781         (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
9782         operands.
9783         (spu_convert_move): Define.
9784         (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
9785         (spu_split_store): Change all MEM's to TImode.
9786         (spu_init_expanders): Preallocate registers that correspond to
9787         LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
9788         mark_reg_pointer.
9789         (spu_split_convert): Define.
9790         * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
9791         (_move<mode>, _movdi, _movti): Update predicate and condition.
9792         (load, store): Change to define_split.
9793         (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
9794         extend<mode>ti2.
9795         (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
9796         (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
9797         define_insn_and_split of lshr<mode>3.
9798         (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
9799         (<v>ashr<mode>3_imm): Define.
9800         (extv, extzv, insv): Allow MEM operands.
9801         (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
9802         shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
9803         sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
9804         (_spu_convert2): Change to define_insn_and_split and remove the
9805         corresponding define_peephole2.
9806         (stack_protect_set, stack_protect_test, stack_protect_test_si):
9807         Change predicates to memory_operand.
9808
9809 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
9810
9811         * config/arm/thumb2.md: Add 16-bit multiply instructions.
9812
9813 2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
9814
9815         PR tree-optimization/40219
9816         * tree.c (iterative_hash_expr): Make sure the builtin function is
9817         a normal builtin function and not a front end or back end builtin
9818         before indexing into the built_in_decls array.
9819
9820 2009-05-22  Richard Guenther  <rguenther@suse.de>
9821
9822         PR middle-end/38964
9823         * alias.c (write_dependence_p): Do not use TBAA for answering
9824         anti-dependence or output-dependence.
9825         * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
9826         (emit_pointer_definition): Remove.
9827         (emit_alias_warning): Likewise.
9828         (find_what_var_points_to): Remove TBAA pruning code.
9829         (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
9830         violations.
9831         (compute_points_to_sets): Remove code computing the set of
9832         dereferenced pointers.
9833         * tree-data-ref.c (dr_may_alias_p): Properly use the split
9834         oracle for querying anti and output dependencies.
9835         * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
9836         if TBAA may be applied.
9837         (refs_anti_dependent_p): New function.
9838         (refs_output_dependent_p): Likewise.
9839         * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
9840         (refs_output_dependent_p): Likewise.
9841         * doc/tree-ssa.texi (Memory model): New section.
9842         * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
9843         * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
9844         * cfgexpand.c (expand_gimple_basic_block): Do not handle
9845         GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
9846         * expr.c (expand_expr_real_1): Likewise.
9847         * gimple-low.c (lower_stmt): Likewise.
9848         * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
9849         (dump_gimple_cdt): Remove.
9850         * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
9851         (gimple_size): Likewise.
9852         (walk_gimple_op): Likewise.
9853         (is_gimple_stmt): Likewise.
9854         (walk_stmt_load_store_addr_ops): Likewise.
9855         (gimple_build_cdt): Remove.
9856         * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
9857         * gimple.h (gimple_cdt_new_type): Remove.
9858         (gimple_cdt_new_type_ptr): Likewise.
9859         (gimple_cdt_set_new_type): Likewise.
9860         (gimple_cdt_location): Likewise.
9861         (gimple_cdt_location_ptr): Likewise.
9862         (gimple_cdt_set_location): Likewise.
9863         * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
9864         * tree-cfg.c (remove_useless_stmts_1): Do not handle
9865         GIMPLE_CHANGE_DYNAMIC_TYPE.
9866         (verify_types_in_gimple_stmt): Likewise.
9867         * tree-inline.c (estimate_num_insns): Likewise.
9868         (expand_call_inline): Do not copy DECL_NO_TBAA_P.
9869         (copy_decl_to_var): Likewise.
9870         (copy_result_decl_to_var): Likewise.
9871         * tree-pretty-print.c (dump_generic_node): Do not handle
9872         CHANGE_DYNAMIC_TYPE_EXPR.
9873         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
9874         * tree-ssa-operands.c (get_expr_operands): Likewise.
9875         * tree-ssa-structalias.c (struct variable_info): Remove
9876         no_tbaa_pruning member.
9877         (new_var_info): Do not set it based on DECL_NO_TBAA_P.
9878         (unify_nodes): Do not copy it.
9879         (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
9880         (dump_solution_for_var): Do not dump no_tbaa_pruning state.
9881         (set_uids_in_ptset): Do not check it.
9882         (find_what_var_points_to): Likewise.
9883         (compute_tbaa_pruning): Remove.
9884         (compute_points_to_sets): Do not call it.
9885         * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
9886         * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
9887         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
9888         (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
9889         (DECL_NO_TBAA_P): Likewise.
9890         (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
9891         * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
9892         (expand_omp_atomic_pipeline): Do not set it.
9893         * print-tree.c (print_node): Do not dump it.
9894         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
9895         redundant check.
9896
9897 2009-05-22 Vladimir Makarov <vmakarov@redhat.com>
9898
9899         PR target/39856
9900         * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
9901         for clobber.
9902
9903 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
9904
9905         * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
9906         non-external.
9907
9908 2009-05-22  Ben Elliston  <bje@au.ibm.com>
9909
9910         * Makefile.in (bversion.h, s-bversion): New targets.
9911         (TOPLEV_H): Add bversion.h.
9912         * toplev.h: Include "bversion.h".
9913         (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
9914         the __format__ attribute only if compiling with the same version
9915         of GCC as the sources (the "build version").
9916
9917 2009-05-22  Ben Elliston  <bje@au.ibm.com>
9918
9919         * c-format.c (handle_format_attribute): Fix comment typo.
9920
9921 2009-05-21  Steve Ellcey  <sje@cup.hp.com>
9922
9923         PR target/37846
9924         * config/ia64/ia64.opt (mfused-madd): New.
9925         * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
9926         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
9927         * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
9928         madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
9929         nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
9930         msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
9931         nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
9932         * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms
9933         instruction if !TARGET_FUSED_MADD.
9934         (fpma, fpms): Remove colon from name.
9935
9936 2009-05-22  Richard Guenther  <rguenther@suse.de>
9937
9938         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
9939         TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
9940         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
9941         TARGET_MEM_REF.
9942         (create_expression_by_pieces): Only convert if necessary.
9943         * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
9944         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
9945
9946 2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>
9947
9948         * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
9949         regular pattern from a template and rename it ...
9950         (*extzv_truncsi_exts): ... to this.
9951
9952 2009-05-21  Richard Guenther  <rguenther@suse.de>
9953
9954         * cgraph.h (struct cgraph_node): Remove inline_decl member.
9955         * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
9956         (cgraph_default_inline_p): Likewise.
9957         (cgraph_decide_inlining_incrementally): Likewise.
9958
9959 2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
9960             Uros Bizjak  <ubizjak@gmail.com>
9961
9962         * config/i386/cpuid.h (bit_MOVBE): New.
9963
9964         * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.
9965
9966         * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
9967         (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
9968         (ix86_handle_option): Handle OPT_mmovbe.
9969         (ix86_target_string): Add -mmovbe.
9970         (pta_flags): Add PTA_MOVBE.
9971         (processor_alias_table): Add PTA_MOVBE to "atom".
9972         (override_options): Handle PTA_MOVBE.
9973
9974         * config/i386/i386.h (TARGET_MOVBE): New.
9975
9976         * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
9977         (*bswapsi_movbe): New.
9978         (*bswapdi_movbe): Likewise.
9979         (bswapdi2): Renamed to ...
9980         (*bswapdi_1): This.
9981         (bswapdi2): New expander.
9982
9983         * config/i386/i386.opt (mmovbe): New.
9984
9985         * doc/invoke.texi: Document -mmovbe.
9986
9987 2009-05-21  Taras Glek  <tglek@mozilla.com>
9988
9989         * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
9990         * gcc-plugin.h (plugin_init): Updated signature.
9991         * gcc-plugin.h (plugin_name_args): Moved to this header.
9992         * doc/plugins.texi (plugin_init): Updated documention to reflect
9993         API change.
9994         * doc/plugins.texi (plugin_name_args): Added to documention.
9995
9996 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
9997
9998         * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
9999         (*mul<mode>3neg<mode>add<mode>_neon): Likewise.
10000
10001 2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>
10002
10003         * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
10004         JUMP_TABLE_DATA_P predicates where applicable.
10005         * config/i386/predicates.md: Ditto.
10006         * config/i386/sse.md: Ditto.
10007
10008 2009-05-21  Jakub Jelinek  <jakub@redhat.com>
10009
10010         * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
10011         operand2 -128 override length_immediate attribute to 1.
10012         * config/i386/predicates.md (constm128_operand): New predicate.
10013
10014         * config/i386/i386.c (memory_address_length): Handle %r12
10015         the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
10016         also check REGNO.
10017         (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
10018         mode look through optional ZERO_EXTEND and SUBREG.
10019         * config/i386/i386.md (R12_REG): New define_constant.
10020         (prefix_data16): For sse unit set also for MODE_TI insns.
10021         (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
10022         insns set if operand 1 is ext_QIreg_operand.
10023         (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
10024         TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
10025         immediate.
10026         (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
10027         mode from MODE_DI to MODE_SI.
10028         (movdi_1_rex64): Override modrm and length_immediate attributes
10029         only for movabs (TYPE_IMOV, alternative 2).
10030         (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
10031         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
10032         *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
10033         *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
10034         *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
10035         prefix_rex attribute if DImode.
10036         (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
10037         *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
10038         *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
10039         *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
10040         attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
10041         (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
10042         Likewise.  For TYPE_IMOV clear length_immediate attribute.
10043         (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
10044         *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
10045         *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
10046         *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
10047         *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
10048         or one operand TYPE_ISHIFT.
10049         (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
10050         *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
10051         *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
10052         *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
10053         *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
10054         *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
10055         *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
10056         *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
10057         *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
10058         *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
10059         *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
10060         *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
10061         *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
10062         *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
10063         *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
10064         *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
10065         *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
10066         set mode attribute, don't override length attribute.
10067         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
10068         to 1.
10069         (return_internal_long): Set length attribute to 2 instead of 1.
10070         (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
10071         *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
10072         prefix_rex attribute.
10073         * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
10074         New predicates.
10075         (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.
10076
10077 2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10078
10079         * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.
10080
10081 2009-05-20  Ian Lance Taylor  <iant@google.com>
10082
10083         * tree.c (build_tree_list_vec_stat): New function.
10084         (ctor_to_vec): New function.
10085         (build_nt_call_vec): New function.
10086         (build_call_array): Change args to be a const pointer.
10087         (build_call_vec): New function.
10088         * tree.h (build_nt_call_vec): Declare.
10089         (build_tree_list_vec_stat): Declare.
10090         (build_tree_list_vec): Define.
10091         (build_call_array): Update declaration.
10092         (build_call_vec): Declare.
10093         (ctor_to_vec): Declare.
10094         * c-common.c (tree_vector_cache): New static variable.
10095         (make_tree_vector): New function.
10096         (release_tree_vector): New function.
10097         (make_tree_vector_single): New function.
10098         (make_tree_vector_copy): New function.
10099         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
10100         (make_tree_vector_single, make_tree_vector_copy): Declare.
10101         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
10102         (c_parser_expr_list): Don't manage cache here, instead call
10103         make_tree_vector.
10104         (c_parser_release_expr_list): Remove static function.
10105         (c_parser_vec_to_tree_list): Remove static function.
10106         (c_parser_attributes): Call build_tree_list_vec instead of
10107         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
10108         c_parser_release_expr_list.
10109         (c_parser_postfix_expression_after_primary): Likewise.
10110         (c_parser_objc_keywordexpr): Likewise.
10111
10112 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
10113
10114         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
10115         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
10116         TARGET_CONVERT_TO_TYPE.
10117         * hooks.c (hook_tree_const_tree_null): Define.
10118         * hooks.h (hook_tree_const_tree_null): Declare.
10119         * target.h (struct gcc_target):  Add invalid_parameter_type,
10120         invalid_return_type, promoted_type, and convert_to_type fields.
10121         * target-def.h: (TARGET_INVALID_PARAMETER_TYPE): Define.
10122         (TARGET_INVALID_RETURN_TYPE): Define.
10123         (TARGET_PROMOTED_TYPE): Define.
10124         (TARGET_CONVERT_TO_TYPE): Define.
10125         (TARGET_INITIALIZER): Update for new fields.
10126         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
10127         (grokparms): Check targetm.invalid_parameter_type.
10128         * c-typeck.c (default_conversion): Check targetm.promoted_type.
10129         * c-convert.c (convert): Check targetm.convert_to_type.
10130
10131 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
10132
10133         * config/mips/mips.md (*extenddi_truncate<mode>,
10134         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
10135         defintions.
10136         (*extendhi_truncateqi): New define_insn_and_sptit.
10137
10138 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
10139
10140         PR middle-end/40204
10141         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
10142         recursion if build_int_cst_type returns the same INTEGER_CST as arg1.
10143
10144 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
10145
10146         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
10147         the operand of VIEW_CONVERT_EXPR.
10148
10149 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
10150
10151         * config/i386/driver-i386.c (host_detect_local_cpu): Check
10152         extended family and model for Intel processors.  Support Intel Atom.
10153
10154 2009-05-20  Olivier Hainque  <hainque@adacore.com>
10155
10156         * gstab.h (stab_code_type): Define, to be used instead of the
10157         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
10158         notice.
10159         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
10160         occurrences by stab_code_type.
10161         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
10162
10163 2009-05-20  Martin Jambor  <mjambor@suse.cz>
10164
10165         * tree-flow.h (insert_edge_copies_seq): Undeclare.
10166         (sra_insert_before): Likewise.
10167         (sra_insert_after): Likewise.
10168         (sra_init_cache): Likewise.
10169         (sra_type_can_be_decomposed_p): Likewise.
10170         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
10171         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
10172         (sra_insert_before): Likewise.
10173         (sra_insert_after): Likewise.
10174         (sra_init_cache): Likewise.
10175         (insert_edge_copies_seq): Made static and moved upwards.
10176
10177         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
10178         case.
10179
10180         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
10181
10182         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
10183         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
10184         simple copies.
10185
10186 2009-05-20  Richard Guenther  <rguenther@suse.de>
10187
10188         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
10189         with mismatched comparison modes.
10190
10191 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10192
10193         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
10194         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
10195         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
10196         with shifts for Thumb2.
10197         (orsi_notsi): New for orn.
10198         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
10199         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
10200         * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
10201         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
10202         Don't invert remainder for IOR.
10203
10204 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
10205
10206         PR tree-optimization/40087
10207         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
10208         number_of_iterations_ne): Rename never_infinite argument.
10209         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
10210         number_of_iterations_le): Handle pointer-type ivs when
10211         exit_must_be_taken is false.
10212         (number_of_iterations_cond):  Do not always assume that
10213         exit_must_be_taken if the control variable is a pointer.
10214
10215 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10216
10217         * c-typeck.c (build_binary_op): Allow % on integal vectors.
10218         * doc/extend.texi (Vector Extension): Document that % is allowed too.
10219
10220 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
10221
10222         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
10223         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
10224
10225 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10226
10227         PR c/40172
10228         * c.opt (Wlogical-op): Disabled by default.
10229         * c-opt (c_common_post_options): Do not enable Wlogical-op with
10230         Wextra.
10231         * doc/invoke.texi (Wlogical-op): Likewise.
10232
10233 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
10234
10235         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
10236         into CASE_CONVERT.
10237         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
10238         Propagate the type of the first operand.
10239         <ASSERT_EXPR>: Simplify.
10240         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
10241         Rewrite using the RHS code as discriminant.
10242         <NOP_EXPR>: Turn into CASE_CONVERT.
10243         <PLUS_EXPR>: Propagate the type of the first operand.
10244
10245 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
10246
10247         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
10248         (ia64_dconst_0_375): New.
10249         * config/ia64/ia64.c (ia64_override_options): Remove
10250         -minline-sqrt-min-latency warning.
10251         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
10252         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
10253         * config/ia64/ia64.md (*sqrt_approx): Remove.
10254         (sqrtsf2): Remove #if 0.
10255         (sqrtsf2_internal_thr): Rewrite and move to div.md.
10256         (sqrtdf): Remove assert.
10257         (sqrtdf2_internal_thr): Rewrite and move to div.md.
10258         (sqrtxf2): Remove #if 0.
10259         (sqrtxf2_internal_thr): Rewrite and move to div.md.
10260         * div.md (sqrt_approx_rf): New.
10261         (sqrtsf2_internal_thr): New implementation.
10262         (sqrtsf2_internal_lat): New.
10263         (sqrtdf2_internal_thr: New implementation.
10264         (sqrtxf2_internal): New implementation.
10265
10266 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
10267             Hans-Peter Nilsson  <hp@axis.com>
10268
10269         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
10270         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
10271         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
10272         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
10273         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
10274         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
10275         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
10276         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
10277         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
10278         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
10279         * c-common.c: ...from here.
10280
10281 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10282
10283         * c-common.c (warn_logical_operator): Remove unnecessary conditionals.
10284
10285 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10286
10287         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
10288
10289 2009-05-19  Ben Elliston  <bje@au.ibm.com>
10290
10291         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
10292         assignments with memcpy calls.
10293         (add_fdes): Likewise.
10294         (binary_search_unencoded_fdes): Likewise.
10295         (linear_search_fdes): Eliminate type puns.
10296
10297 2009-05-19  Richard Guenther  <rguenther@suse.de>
10298
10299         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
10300         not falsely claim to have propagated into all uses.
10301
10302 2009-05-19  Ben Elliston  <bje@au.ibm.com>
10303
10304         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
10305         version to v3.0.
10306
10307 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
10308
10309         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
10310         * config/sh/sh.c (sh_legitimate_address_p): Make static.
10311         (TARGET_LEGITIMATE_ADDRESS_P): New.
10312         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10313         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
10314
10315 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
10316
10317         PR debug/40109
10318         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
10319         child of the containing namespace's DIE.
10320
10321 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
10322
10323         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
10324         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
10325         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
10326         extend patterns.
10327
10328 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
10329
10330         PR target/39942
10331         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
10332         gen_align with gen_pad.
10333         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
10334         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
10335
10336         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
10337         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
10338
10339         * config/i386/i386.md (align): Renamed to ...
10340         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
10341         ASM_OUTPUT_MAX_SKIP_PAD.
10342
10343 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
10344
10345         * config.gcc: Fix variable syntax.
10346
10347         PR target/39531
10348         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
10349         before calling exact_log2.
10350         (output_iorsi3): Likewise.
10351         (output_xorsi3): Likewise.
10352
10353 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
10354
10355         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
10356         for the none zero constant operand except for EQ and NE
10357         comprisons even when the first operand is R0.
10358
10359 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
10360
10361         * config/s390/2064.md: Remove trailing whitespaces.
10362         * config/s390/2084.md: Likewise.
10363         * config/s390/constraints.md: Likewise.
10364         * config/s390/fixdfdi.h: Likewise.
10365         * config/s390/libgcc-glibc.ver: Likewise.
10366         * config/s390/s390-modes.def: Likewise.
10367         * config/s390/s390-protos.h: Likewise.
10368         * config/s390/s390.c: Likewise.
10369         * config/s390/s390.h: Likewise.
10370         * config/s390/s390.md: Likewise.
10371         * config/s390/tpf-unwind.h: Likewise.
10372
10373 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
10374
10375         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
10376
10377 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
10378
10379         M68K TLS support.
10380         * configure.ac (m68k-*-*): Check if binutils support TLS.
10381         * configure: Regenerate.
10382         * config/m68k/predicates.md (symbolic_operand): Extend comment.
10383         * config/m68k/constraints.md (Cu): New constraint.
10384         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
10385         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
10386         (movsi): Handle TLS symbols.
10387         (addsi3_5200): Handle XTLS symbols, indent.
10388         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
10389         (m68k_tls_reference_p): Declare.
10390         (m68k_legitimize_address): Declare.
10391         (m68k_unwrap_symbol): Declare.
10392         * config/m68k/m68k.opt (mxtls): New option.
10393         * config/m68k/m68k.c (ggc.h): Include.
10394         (m68k_output_dwarf_dtprel): Implement hook.
10395         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
10396         (m68k_expand_prologue): Load GOT pointer when function needs it.
10397         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
10398         (m68k_legitimate_constant_address_p): Same.
10399         (m68k_decompose_address): Handle TLS references.
10400         (m68k_get_gp): New static function.
10401         (enum m68k_reloc): New contants.
10402         (TLS_RELOC_P): New macro.
10403         (m68k_wrap_symbol): New static function.
10404         (m68k_unwrap_symbol): New function.
10405         (m68k_final_prescan_insn_1): New static function.
10406         (m68k_final_prescan_insn): New function.
10407         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
10408         functions.
10409         (legitimize_pic_address): Handle TLS references..
10410         (m68k_tls_get_addr, m68k_get_tls_get_addr)
10411         (m68k_libcall_value_in_a0_p)
10412         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
10413         (m68k_call_m68k_read_tp): Helper variables and functions for ...
10414         (m68k_legitimize_tls_address): Handle TLS references.
10415         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
10416         New functions.
10417         (m68k_legitimize_address): Handle TLS symbols.
10418         (m68k_get_reloc_decoration): New static function.
10419         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
10420         UNSPEC_RELOC32.
10421         (m68k_output_dwarf_dtprel): Implement hook.
10422         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
10423         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
10424         m68k_call_* routines.
10425         (sched_attr_op_type): Handle TLS symbols.
10426         (gt-m68k.h): Include.
10427         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
10428         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
10429
10430 2009-05-18  Martin Jambor  <mjambor@suse.cz>
10431
10432         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
10433         (visit_store_addr_for_mod_analysis): New function.
10434         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
10435         (determine_cst_member_ptr): Use gimple_assign_single_p.
10436         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
10437         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
10438         operands.  Don't check number of operands of a NOP_EXPR.
10439
10440 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
10441
10442         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
10443
10444 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10445
10446         PR c/40172
10447         * c-common.c (warn_logical_operator): Don't warn if one of
10448         expression isn't always true or false.
10449
10450 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
10451
10452         * config/i386/biarch32.h: New file.
10453         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
10454
10455 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
10456
10457         * config/mips/mips.md (*zero_extend<mode>_trunchi,
10458         *zero_extend<mode>_truncqi): Merge these into ...
10459         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
10460         Name the pattern following this as *zero_extendhi_truncqi.
10461
10462 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
10463
10464         PR middle-end/39301
10465         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
10466         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
10467         (output_info): Make field HOST_WIDEST_INT.
10468         (print_statistics): Use HOST_WIDEST_INT_PRINT.
10469         (dump_bitmat_statistics): Same.
10470
10471 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
10472
10473         * config.gcc (use_gcc_stdint):  Set to wrap.
10474         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
10475         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
10476         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
10477         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
10478         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
10479         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
10480         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
10481         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
10482
10483 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
10484
10485         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
10486         tune_64.
10487         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
10488         Move definitions earlier.
10489         (OPT_ARCH64, OPT_ARCH32): Define.
10490         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
10491         and tune_64.
10492
10493 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
10494
10495         PR target/40153
10496         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
10497         implies.
10498
10499 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
10500
10501         * arm.md (movdi2): Copy non-reg values to DImode registers.
10502
10503 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
10504
10505         PR target/39942
10506         * final.c (label_to_max_skip): New function.
10507         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
10508         CODE_LABEL_NUMBER <= max_labelno.
10509         * output.h (label_to_max_skip): New prototype.
10510         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
10511         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
10512         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
10513         Handle CODE_LABELs with >= 16 byte alignment or with
10514         max_skip == (1 << align) - 1.
10515         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
10516         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
10517
10518         PR target/39942
10519         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
10520         .p2align 3 if MAX_SKIP is smaller than 7.
10521         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
10522
10523 2009-05-15  Ian Lance Taylor  <iant@google.com>
10524
10525         * alias.c (struct alias_set_entry_d): Rename from struct
10526         alias_set_entry.  Change all uses.
10527         * except.c (struct call_site_record_d): Rename from struct
10528         call_site_record.  Change all uses.
10529         * except.h (struct eh_region_d): Rename from struct eh_region.
10530         Change all uses.
10531         * gcse.c (struct hash_table_d): Rename from struct hash_table.
10532         Change all uses.
10533         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
10534         ivtype_map_elt.  Change all uses.
10535         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
10536         Change all uses.
10537         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
10538         * graphite.h (struct name_tree_d): Rename from struct name_tree.
10539         Change all uses.
10540         (struct sese_d): Rename from struct sese.  Change all uses.
10541         * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
10542         (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
10543         * optabs.h (struct optab_d): Rename from struct optab.  Change all
10544         uses.
10545         (struct convert_optab_d): Rename from struct convert_optab.
10546         Change all uses.
10547         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
10548         ipa_opt_pass.  Change all uses.
10549         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
10550         all uses.
10551
10552         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
10553         defined as a typedef.
10554         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
10555         defined as a tag.
10556
10557 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10558
10559         PR 16302
10560         * fold-const.c (make_range,build_range_check,merge_ranges): Move
10561         declaration to...
10562         (merge_ranges): Returns bool.
10563         * tree.h (make_range): .. to here.
10564         (build_range_check): Likewise.
10565         (merge_ranges): Likewise. Renamed from merge_ranges.
10566         * c-typeck.c (parser_build_binary_op): Update calls to
10567         warn_logical_operator.
10568         * c-common.c (warn_logical_operator): Add new warning.
10569         * c-common.h (warn_logical_operator): Update declaration.
10570
10571 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10572
10573         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.
10574
10575 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10576
10577         * doc/install.texi: Document MPC requirements, flags etc.
10578
10579         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
10580         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
10581         Evaluate constant arguments.
10582         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
10583         (fold_builtin_1): Likewise, also evaluate constant arguments.
10584         Remove superfluous break.
10585         (do_mpc_ckconv): New.
10586         * real.h: Include mpc.h.
10587         * toplev.c (print_version): Output MPC version info if available.
10588
10589 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
10590
10591         * fold-const.c (fold_convert_const_real_from_real): Check for overflow.
10592
10593 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
10594
10595         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
10596         only once.
10597
10598 2009-05-15  Jan Hubicka  <jh@suse.cz>
10599
10600         * doc/invoke.texi (max-early-inliner-iterations): New flag.
10601         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
10602         (try_inline): Fix return value.
10603         (cgraph_decide_inlining_incrementally): Honor new value.
10604         (cgraph_early_inlining): Handle indirect inlining.
10605         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
10606
10607 2009-05-15  Jan Hubicka  <jh@suse.cz>
10608
10609         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
10610         * cgraphunit.c (cgraph_finalize_function): Set it.
10611         (cgraph_expand_function): Use it.
10612
10613 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
10614
10615         * real.c (encode_ieee_half): Define.
10616         (decode_ieee_half): Define.
10617         (ieee_half_format): Define.
10618         (arm_half_format): Define.
10619         * real.h (ieee_half_format): Declare.
10620         (arm_half_format): Declare.
10621
10622 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
10623
10624         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
10625         swapped, and reversed optabs exist before trying to use them.
10626
10627 2009-05-15  Paul Brook  <paul@codesourcery.com>
10628             Sandra Loosemore  <sandra@codesourcery.com>
10629
10630         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
10631         loads.  Allow PRE_DEC.
10632         (output_move_neon): Handle PRE_DEC.
10633         (arm_print_operand): Add 'A' for neon structure loads.
10634         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
10635         * config/arm/neon.md (neon_mov): Update comment.
10636         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
10637         calls.
10638         (Um): New constraint.
10639
10640 2009-05-15  Jan Hubicka  <jh@suse.cz>
10641
10642         Revert the following patch until testsuite fallout is fixed:
10643         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
10644         * cgraph.h (struct inline_summary): New filed self_wize,
10645         size_inlining_benefit, self_time and time_inlining_benefit.
10646         (struct cgraph_global_info): Replace insns by time ans size fields.
10647         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
10648         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
10649         (ipcp_update_callgraph): Do not touch function bodies.
10650         * ipa-inline.c: Include except.h
10651         (MAX_TIME): New constant.
10652         (overall_insns): Remove
10653         (overall_size, max_benefit): New static variables.
10654         (cgraph_estimate_time_after_inlining): New function.
10655         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
10656         (cgraph_clone_inlined_nodes): Update size.
10657         (cgraph_mark_inline_edge): Update size.
10658         (cgraph_estimate_growth): Use size info.
10659         (cgraph_check_inline_limits): Check size.
10660         (cgraph_default_inline_p): Likewise.
10661         (cgraph_edge_badness): Compute badness based on benefit and size cost.
10662         (cgraph_decide_recursive_inlining): Check size.
10663         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
10664         and times.
10665         (cgraph_decide_inlining): Likewise.
10666         (cgraph_decide_inlining_incrementally): Likewise; honor
10667         PARAM_EARLY_INLINING_INSNS.
10668         (likely_eliminated_by_inlining_p): New predicate.
10669         (estimate_function_body_sizes): New function.
10670         (compute_inline_parameters): Use it.
10671         * except.c (must_not_throw_labels): New function.
10672         * except.h (must_not_throw_labels): Declare.
10673         * tree-inline.c (init_inline_once): Kill inlining_weigths
10674         * tree-ssa-structalias.c: Avoid uninitialized warning.
10675         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
10676         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
10677         (PARAM_INLINE_CALL_COST): Remove.
10678         (PARAM_EARLY_INLINING_INSNS): New.
10679
10680 2009-05-15  Richard Guenther  <rguenther@suse.de>
10681
10682         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
10683         not TODO_update_ssa.
10684
10685 2009-05-15  Richard Guenther  <rguenther@suse.de>
10686
10687         PR tree-optimization/39999
10688         * gimple.h (gimple_expr_type): Use the expression type looking
10689         through useless conversions.
10690         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
10691         (vn_nary_op_insert_stmt): Likewise.
10692         (simplify_binary_expression): Likewise.
10693
10694 2009-05-15  Richard Guenther  <rguenther@suse.de>
10695
10696         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
10697         New options, enabled by default.
10698         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
10699         Document.
10700         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
10701         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
10702         * tree-ssa-structalias.c (gate_tree_pta): New function.
10703         (pass_build_alias): Use it.
10704
10705 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
10706
10707         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
10708         recurse on an invariant address if a conversion from a pointer
10709         type to a wider integer type is involved.
10710
10711 2009-05-15  Jan Hubicka  <jh@suse.cz>
10712
10713         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
10714         * cgraph.h (struct inline_summary): New filed self_wize,
10715         size_inlining_benefit, self_time and time_inlining_benefit.
10716         (struct cgraph_global_info): Replace insns by time ans size fields.
10717         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
10718         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
10719         (ipcp_update_callgraph): Do not touch function bodies.
10720         * ipa-inline.c: Include except.h
10721         (MAX_TIME): New constant.
10722         (overall_insns): Remove
10723         (overall_size, max_benefit): New static variables.
10724         (cgraph_estimate_time_after_inlining): New function.
10725         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
10726         (cgraph_clone_inlined_nodes): Update size.
10727         (cgraph_mark_inline_edge): Update size.
10728         (cgraph_estimate_growth): Use size info.
10729         (cgraph_check_inline_limits): Check size.
10730         (cgraph_default_inline_p): Likewise.
10731         (cgraph_edge_badness): Compute badness based on benefit and size cost.
10732         (cgraph_decide_recursive_inlining): Check size.
10733         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
10734         and times.
10735         (cgraph_decide_inlining): Likewise.
10736         (cgraph_decide_inlining_incrementally): Likewise; honor
10737         PARAM_EARLY_INLINING_INSNS.
10738         (likely_eliminated_by_inlining_p): New predicate.
10739         (estimate_function_body_sizes): New function.
10740         (compute_inline_parameters): Use it.
10741         * except.c (must_not_throw_labels): New function.
10742         * except.h (must_not_throw_labels): Declare.
10743         * tree-inline.c (init_inline_once): Kill inlining_weigths
10744         * tree-ssa-structalias.c: Avoid uninitialized warning.
10745         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
10746         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
10747         (PARAM_INLINE_CALL_COST): Remove.
10748         (PARAM_EARLY_INLINING_INSNS): New.
10749         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
10750         (inline-call-cost): Remove.
10751         (early-inlining-insns): New.
10752
10753 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
10754
10755         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
10756         for bounds.
10757         (print_int_cst_bounds_in_octal_p): Likewise.
10758         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
10759         with subtypes.
10760         * dwarf2out.c (base_type_die): Likewise.
10761         (is_subrange_type): Delete.
10762         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
10763         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
10764         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it
10765         if the destination type is boolean.
10766         (build_range_check): Do not special-case subtypes.
10767         (fold_sign_changed_comparison): Likewise.
10768         (fold_unary): Likewise.
10769         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
10770         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
10771         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
10772         * tree.c (subrange_type_for_debug_p): New predicate based on the
10773         former is_subrange_type.
10774         * tree.h (subrange_type_for_debug_p): Declare.
10775         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
10776         (convert_affine_scev): Remove call to above function.
10777         (chrec_convert_aggressive): Likewise.
10778         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
10779         false for conversions involving subtypes.
10780         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
10781         (vrp_val_min): Likewise.
10782         (needs_overflow_infinity): Likewise.
10783         (extract_range_from_unary_expr): Likewise.
10784
10785 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
10786
10787         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
10788         * config/frv/frv.c: Likewise.
10789         * config/s390/s390.c: Likewise.
10790         * config/sparc/sparc.h: Likewise.
10791         * config/i386/i386.h: Likewise.
10792         * config/i386/i386.c: Likewise.
10793         * config/crx/crx.c: Likewise.
10794         * config/m68hc11/m68hc11.h: Likewise.
10795         * config/iq2000/iq2000.c: Likewise.
10796         * config/mn10300/mn10300.h: Likewise.
10797         * config/mn10300/mn10300.c: Likewise.
10798         * config/m68k/m68k.c: Likewise.
10799         * config/rs6000/rs6000.c: Likewise.
10800         * config/rs6000/xcoff.h: Likewise.
10801         * config/rs6000/linux64.h: Likewise.
10802         * config/rs6000/sysv4.h: Likewise.
10803         * config/score/score3.c: Likewise.
10804         * config/score/score7.c: Likewise.
10805         * config/score/score.c: Likewise.
10806         * config/arm/arm.md: Likewise.
10807         * config/mips/mips.c: Likewise.
10808         * config/mips/mips.md: Likewise.
10809         * config/bfin/bfin.h: Likewise.
10810         * config/pa/pa.c: Likewise.
10811         * config/pa/constraints.md: Likewise.
10812
10813         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
10814         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
10815         * config/pdp11/pdp11.h: Use memory_address_p instead.
10816
10817 2009-05-14  Ian Lance Taylor  <iant@google.com>
10818
10819         * passes.c (finish_optimization_passes): Change i to int.
10820         * plugin.c (plugins_active_p): Change event to int.
10821         (dump_active_plugins): Likewise.
10822         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
10823         Add cast.
10824         * tree.c (tree_range_check_failed): Change c to unsigned int.
10825         (omp_clause_range_check_failed): Likewise.
10826         (build_common_builtin_nodes): Change mode to int.  Add cast.
10827         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
10828         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
10829
10830         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
10831         ++ or -- with a variable of enum type.
10832
10833 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
10834
10835         PR driver/40144
10836         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
10837
10838 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
10839
10840         * store-motion.c: Do not include params.h
10841         * Makefile.in: Fix dependencies for various files.
10842
10843 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
10844
10845         * auto-inc-dec.c: Fix pass description, remove apparent
10846         accidental duplication.
10847
10848 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
10849
10850         PR middle-end/40147
10851         * ipa-utils.h (memory_identifier_string): Moved to ...
10852         * tree.h (memory_identifier_string): Here.  Add GTY(()).
10853
10854 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
10855
10856         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
10857         in the former documentation of...
10858         (GO_IF_LEGITIMATE_ADDRESS): ... this.
10859         * ira-conflicts.c (get_dup_num): Use address_operand.
10860         * targhooks.c (default_legitimate_address_p): New.
10861         * targhooks.h (default_legitimate_address_p): New.
10862         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
10863         Call hook.
10864         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
10865         * target.h (struct target): Add legitimate_address_p.
10866         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
10867         (TARGET_INITIALIZER): Include it.
10868
10869         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10870         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
10871         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
10872         (TARGET_LEGITIMATE_ADDRESS_P): New.
10873
10874         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10875         (REG_OK_STRICT_P): Delete.
10876         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
10877         (frv_legitimate_address_p_1): ... this.
10878         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
10879         (frv_legitimate_address_p_1): ... the renamed old
10880         frv_legitimate_address_p.
10881         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
10882         (TARGET_LEGITIMATE_ADDRESS_P): New.
10883
10884         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10885         * config/s390/s390-protos.h (legitimate_address_p): Remove.
10886         * config/s390/s390.c (legitimate_address_p): Rename to...
10887         (s390_legitimate_address_p): ... this, make static.
10888         (legitimize_address): Adjust call.
10889         (TARGET_LEGITIMATE_ADDRESS_P): New.
10890         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
10891
10892         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10893         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
10894         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
10895         (TARGET_LEGITIMATE_ADDRESS_P): New.
10896
10897         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10898         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
10899         * config/spu/spu.c (spu_legitimate_address): Rename to...
10900         (spu_legitimate_address_p): ... this, make static.
10901         (TARGET_LEGITIMATE_ADDRESS_P): New.
10902
10903         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10904         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
10905         * config/sparc/sparc.c (legitimate_address_p): Rename to...
10906         (sparc_legitimate_address_p): ... this, make static and return bool.
10907         (legitimize_address): Adjust call.
10908         (TARGET_LEGITIMATE_ADDRESS_P): New.
10909
10910         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10911         * config/i386/i386-protos.h (legitimate_address_p): Remove.
10912         * config/i386/i386.c (legitimate_address_p): Rename to...
10913         (ix86_legitimate_address_p): ... this, make static.
10914         (constant_address_p): Move after it, adjust call.
10915         (TARGET_LEGITIMATE_ADDRESS_P): New.
10916
10917         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10918         * config/avr/avr-protos.h (legitimate_address_p): Remove.
10919         * config/avr/avr.c (legitimate_address_p): Rename to...
10920         (avr_legitimate_address_p): ... this, make static.
10921         (legitimize_address): Adjust call.
10922         (TARGET_LEGITIMATE_ADDRESS_P): New.
10923
10924         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10925         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
10926         * config/crx/crx.c (crx_legitimate_address_p): Make static.
10927         (TARGET_LEGITIMATE_ADDRESS_P): New.
10928
10929         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10930         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
10931         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
10932         (TARGET_LEGITIMATE_ADDRESS_P): New.
10933
10934         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10935         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
10936         Remove.
10937         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
10938         Make static.
10939         (TARGET_LEGITIMATE_ADDRESS_P): New.
10940
10941         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10942         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
10943         Remove.
10944         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
10945         Rename to...
10946         (m68hc11_legitimate_address_p): ... this, make static.
10947         (go_if_legitimate_address_internal): Rename to...
10948         (m68hc11_legitimate_address_p_1): ... this.
10949         (legitimize_address): Adjust call.
10950         (TARGET_LEGITIMATE_ADDRESS_P): New.
10951
10952         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10953         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
10954         * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
10955         (TARGET_LEGITIMATE_ADDRESS_P): New.
10956
10957         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10958         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
10959         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
10960         (mn10300_legitimate_address_p): ... this, make static.
10961         (TARGET_LEGITIMATE_ADDRESS_P): New.
10962
10963         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10964         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
10965         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
10966         (TARGET_LEGITIMATE_ADDRESS_P): New.
10967
10968         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10969         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
10970         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
10971         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10972         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
10973         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
10974         (rs6000_legitimate_address_p): ... this, make static.
10975         (TARGET_LEGITIMATE_ADDRESS_P): New.
10976         (REG_MODE_OK_FOR_BASE_P): Delete.
10977         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
10978
10979         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10980         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
10981         Delete.
10982         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
10983         static, adjust types.
10984         (TARGET_LEGITIMATE_ADDRESS_P): New.
10985
10986         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10987         * config/score/score.c (score_address_p): Rename to...
10988         (score_legitimate_address_p): ... this.
10989         (TARGET_LEGITIMATE_ADDRESS_P): New.
10990         * config/score/score3.c (score3_address_p): Rename to...
10991         (score3_legitimate_address_p): ... this.
10992         * config/score/score7.c (score7_address_p): Rename to...
10993         (score7_legitimate_address_p): ... this.
10994
10995         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
10996         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
10997         GO_IF_LEGITIMATE_ADDRESS): Delete.
10998         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
10999         thumb2_legitimate_address_p): Delete.
11000         (arm_legitimate_address_p): Rename to...
11001         (arm_legitimate_address_outer_p): ... this.
11002         * config/arm/constraints.md ("Uq"): Adjust call.
11003         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
11004         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one
11005         to...
11006         (arm_legitimate_address_outer_p): ... this.
11007         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make
11008         static.
11009         (TARGET_LEGITIMATE_ADDRESS_P): New.
11010
11011         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11012         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
11013         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
11014         (TARGET_LEGITIMATE_ADDRESS_P): New.
11015
11016         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11017         * config/vax/vax-protos.h (legitimate_address_p): Remove.
11018         * config/vax/vax.c (legitimate_address_p): Rename to...
11019         (vax_legitimate_address_p): ... this, make static.
11020         (TARGET_LEGITIMATE_ADDRESS_P): New.
11021
11022         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11023         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
11024         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
11025         (TARGET_LEGITIMATE_ADDRESS_P): New.
11026
11027         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11028         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
11029         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
11030         (mmix_legitimate_address_p): ... this, make static.
11031         (TARGET_LEGITIMATE_ADDRESS_P): New.
11032
11033         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11034         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
11035         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
11036         (TARGET_LEGITIMATE_ADDRESS_P): New.
11037
11038 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
11039
11040         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
11041         of MODE_COMPLEX_INT.
11042
11043 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
11044
11045         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
11046         LCT_NORMAL in function call.
11047         * mips-tdump.c (print_file_desc): Add cast to enum type.
11048         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
11049         (mark_stabs): Add casts to enum types.
11050         (parse_stabs_common): Add casts to enum types.
11051
11052 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
11053
11054         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
11055         Check for invalid values of LETTER.
11056
11057 2009-05-13  Taras Glek  <tglek@mozilla.com>
11058
11059         * attribs.c (register_attribute): moved out attribute registration
11060         into register_attribute.
11061         * doc/plugins.texi: Documented register_attribute and
11062         PLUGIN_ATTRIBUTES.
11063         * gcc-plugin.h: Added forward decl for register_attribute.
11064         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
11065         * plugin.c (register_callback, invoke_plugin_callbacks): Added
11066         PLUGIN_ATTRIBUTES boilerplate.
11067
11068 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
11069
11070         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
11071         values even in sentinel and empty entries.
11072         (ms_printf_flag_specs):  Likewise.
11073         (ms_scanf_flag_specs):  Likewise.
11074         (ms_strftime_flag_specs):  Likewise.
11075         (ms_print_char_table):  Likewise.
11076         (ms_scan_char_table):  Likewise.
11077         (ms_time_char_table):  Likewise.
11078
11079 2009-05-13  Doug Kwan  <dougkwan@google.com>
11080
11081         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
11082
11083 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
11084
11085         * config/mips/mips.md (store): Add attributes for QI and HI.
11086         Update comment.
11087         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
11088         (truncdi<mode>2): ... this new pattern.
11089
11090 2009-05-13  Brad Hards  <bradh@kde.org>
11091
11092         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
11093
11094 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
11095             Ben Elliston <bje@au.ibm.com>
11096
11097         PR middle-end/40035
11098         * dse.c (check_mem_read_rtx): Guard against width == -1.
11099
11100 2009-05-13  Michael Matz  <matz@suse.de>
11101
11102         PR middle-end/39976
11103         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
11104         (trivially_conflicts_p): New function.
11105         (insert_backedge_copies): Use it.
11106
11107 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
11108
11109         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
11110         (handle_stdc_pragma): Use new enum constant names.
11111         (handle_pragma_float_const_decimal64): Ditto.
11112
11113 2009-05-13  Ian Lance Taylor  <iant@google.com>
11114
11115         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
11116         tree.def.
11117
11118 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
11119
11120         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
11121         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
11122         multilibs.
11123         * config/m68k/m68k.h (FL_UCLINUX): Define.
11124
11125 2009-05-13  Jan Hubicka  <jh@suse.cz>
11126
11127         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
11128
11129 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
11130
11131         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
11132         unless -fschedule-insns is specified.
11133
11134 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
11135
11136         PR target/39561
11137         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
11138         TARGET_EXPAND_CBRANCHDI4.
11139         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
11140         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
11141         (cmpeqdi): Fix comment.
11142
11143 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
11144
11145         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
11146         (sh_legitimate_address_p): Likewise.
11147         * config/sh/sh.c (sh_legitimate_index_p): New.
11148         (sh_legitimate_address_p): Likewise.
11149         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
11150         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
11151         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
11152         (MAYBE_BASE_REGISTER_RTX_P): New macro.
11153         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
11154         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
11155         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
11156         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
11157         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
11158
11159 2009-05-12  Jan Hubicka  <jh@suse.cz>
11160
11161         * tree-inline.c (estimate_operator_cost): Add operands;
11162         when division happens by constant, it is cheap.
11163         (estimate_num_insns): Loads and stores are not having cost of 0;
11164         EH magic stuff is cheap; when computing runtime cost of switch,
11165         use log2 base of amount of its cases; builtin_expect has cost of 0;
11166         compute cost for moving return value of call.
11167         (init_inline_once): Initialize time_based flags.
11168         * tree-inline.h (eni_weights_d): Add time_based flag.
11169
11170 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
11171
11172         * df-core.c: Update head documentation.
11173
11174 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
11175
11176         PR bootstrap/40118
11177         * rs6000.c (rs6000_generate_compare): Use op1b instead of
11178         shadowing exisiting variable op1.
11179
11180 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
11181
11182         PR target/37179
11183         * config/i386/driver-i386.c (processor_signatures): New enum.
11184         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
11185         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
11186         processor signature to detect geode processor.
11187
11188 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
11189
11190         Revert:
11191
11192         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
11193
11194         * optabs.c (prepare_cmp_insn): Temporarily disable test that
11195         causes spurious differences between trunk and cond-optab branch.
11196
11197 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
11198
11199         * dojump.c (compare_from_rtx): Delete.
11200         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
11201         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
11202         if the comparison does not satisfy the predicate; test predicates for
11203         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
11204         further if one existing pattern fails.
11205         * expr.h (compare_from_rtx): Delete.
11206         (prepare_operand): Declare it.
11207         * optabs.c: Change "lib call" to "libcall" throughout.
11208         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
11209         HAVE_conditional_trap, emit_cmp_insn): Delete.
11210         (can_compare_p): Delete cmp_optab case.
11211         (prepare_float_lib_cmp): Return an rtx and a machine mode.
11212         Accept other parameters by value.
11213         (prepare_operand): Make non-static.
11214         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
11215         other parameters by value.  Try to widen operands here based on
11216         an optab_methods argument and looking at cbranch_optab.
11217         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
11218         loop.  Use cbranch_optab directly.
11219         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
11220         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
11221         assertion.
11222         (emit_conditional_move, emit_conditional_add): Inline what's needed
11223         of compare_from_rtx, using new prepare_cmp_insn for the rest.
11224         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
11225         with COMPARE.  Move cmov_optab and cstore_optab above
11226         with cbranch_optab, move cmp_optab down with ucmp_optab,
11227         remove tst_otpab.  Do not initialize trap_rtx.
11228         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
11229         for trap code.  Do not check HAVE_conditional_trap.  Use
11230         prepare_cmp_insn.  Accept no predicate for operand 3.
11231         * optabs.h (OTI_cmp): Mark as used only for libcalls.
11232         (OTI_ctrap, ctrap_optab): New.
11233         (tst_optab): Delete.
11234         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
11235         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
11236         with lookup of ctrap_optab.
11237         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn, setcc_gen_code):
11238         Delete.
11239         (ctrap_optab): New.
11240
11241         * combine.c (combine_simplify_rtx, simplify_set): Do not
11242         special case comparing against zero for cc0 machines.
11243         * simplify-rtx.c (simplify_binary_operation_1): Never remove
11244         COMPARE on cc0 machines.
11245         (simplify_relational_operation): Return a new expression when
11246         a COMPARE could be removed.
11247         * final.c (final_scan_insn): Compare cc_status values
11248         against LHS of a (compare FOO (const_int 0)) cc0 source.
11249         Also check if cc_status.value is the full compare.
11250
11251         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
11252         (cstoreMM4): Document.
11253         (conditional_trap): Document ctrapMM4 instead.
11254         (sync_compare_and_swapMM): Refer to cbranchcc4.
11255         (Dependent Patterns): Eliminate obsolete information referring to
11256         the old jump optimization phase.
11257         (Canonicalization): Include cbranchcc4 case, omit canonicalization
11258         of compares with 0 on cc0 machines.
11259         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
11260         avoiding references to cc0.  Remove text about storing operands
11261         in cmpMM.
11262         * doc/tm.texi (Condition Codes): Include blurb on different
11263         condition code representations, separate into subsections for
11264         CC0, MODE_CC and conditional execution.
11265
11266         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
11267         alpha_emit_setcc): Accept operands and a machine mode.
11268         * config/alpha/alpha.c (alpha_emit_conditional_branch):
11269         Get code/op0/op1 from operands, use machine mode argument
11270         instead of alpha_compare.fp_p.  Emit the branch here.
11271         (alpha_emit_setcc): Likewise, and return boolean.
11272         (alpha_emit_conditional_move): Likewise.  Assert that
11273         cmp_op_mode == cmp_mode, and simplify accordingly.
11274         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
11275         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
11276         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
11277         Delete.
11278         (stack probe test): Use cbranchdi4.
11279         * config/alpha/predicates.md (alpha_cbranch_operator): New.
11280
11281         * config/arc/arc.c (gen_compare_reg): Do not emit cmp.
11282         * config/arc/arc.h (movsicc, movsfcc): Use it.
11283         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
11284         (cbranchsi4, cstoresi4): New.
11285         (cmpsi, bCC and sCC expanders): Remove.
11286
11287         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
11288         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
11289         * config/arm/predicates.md (arm_comparison_operator): Only include
11290         floating-point operators if there is a hardware floating-point unit.
11291         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
11292         deferring to cbranch_cc and cstore_cc respectively.
11293         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
11294         cbranch_cc, cstore_cc): New.
11295         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
11296         arm_compare_op1.
11297         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
11298
11299         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
11300         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
11301         as an argument.
11302         (adjust_insn_length): Adjust calls.
11303         (avr_reorg): Handle (compare (foo) (const_int 0)).
11304         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
11305         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
11306         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
11307         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
11308         (bCC): Remove.
11309         (cbranchqi4, cbranchhi4, cbranchsi4): New.
11310         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
11311
11312         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
11313         (cbranchsi4, cstorebi4, cstoresi4): New.
11314         (movbisi): This insn is duplicate, split it to zero_extend.
11315         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
11316         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
11317         (bfin_optimize_loop): Use cbranch expander.
11318         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
11319         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
11320         (bfin_bimode_comparison_operator): ... this.
11321         (bfin_direct_comparison_operator): New.
11322
11323         * config/cris/cris.c (cris_normal_notice_update_cc): Look
11324         inside (compare FOO (const_int 0)).
11325         (cris_rtx_costs): Handle ZERO_EXTRACT.
11326         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
11327         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
11328         (*tstdi_v32): Delete.
11329         (*cmpdi_non_v32): Add M alternative for operand 1.
11330         (cmpsi, cmp<mode>): Make private.
11331         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
11332         with COMPARE.
11333         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
11334
11335         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
11336         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
11337         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
11338         (cc_reg_operand): New.
11339         (any_cond): Delete.
11340         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
11341         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
11342         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
11343         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
11344         crx_expand_scond): Delete.
11345
11346         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
11347         (cbranchsi4): New.
11348         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
11349         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
11350
11351         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
11352         cstoresi4, cstoresf4, cstoredf4): New.
11353         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
11354         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
11355         Receive the entire operands array.
11356         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
11357         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
11358         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
11359         Get test/op0/op1 from the operands array.
11360         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
11361
11362         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
11363         (h8300_expand_store): New.
11364         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
11365         (const_int 0)).
11366         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
11367         (h8300_expand_store): New.
11368         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
11369         or do not try to produce (set (cc0) REG).
11370         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
11371         change a compare into a move to a scratch register.  Disable some
11372         peepholes when comparing with zero.
11373         (tstsi, tsthi, tstsi, cmpqi): Make private.
11374         (cmphi): Delete.
11375         (bCC, sCC): Delete.
11376         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
11377         cstoresi4): New.
11378
11379         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
11380         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
11381         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
11382         (ix86_emit_i387_log1p): Use cbranchxf2.
11383         (ix86_expand_setcc): Return void.
11384         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
11385         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
11386         cmp<MODEF>, cmpcc): Remove.
11387         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
11388         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
11389         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
11390         (sCC and bCC expanders): Remove.
11391         (stack_protect_test): Use cbranchcc4.
11392
11393         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
11394         Delete.
11395         (ia64_expand_compare): Accept three rtx by reference and return void.
11396         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
11397         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
11398         from *expr.  Update *expr with the BImode comparison to do.
11399         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
11400         cmptf, bCC, sCC, conditional_trap): Delete.
11401         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4,
11402         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
11403         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
11404         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
11405         * config/ia64/predicates.md (ia64_cbranch_operator): New.
11406
11407         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
11408         type of last argument.
11409         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
11410         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
11411         use machine mode argument instead of branch_type.  Remove dead
11412         code for floating-point comparisons.
11413         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
11414         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
11415         Remove.
11416         (cbranchsi4, cstoresi4): New.
11417         * config/iq2000/predicates.md (reg_or_const_operand): New.
11418
11419         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
11420         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
11421         (b<code>_op): Rewrite to...
11422         (bcc_op): ... this, using match_operator.
11423         (s<code>_op): Rewrite to...
11424         (scc_op): ... this, using match_operator.
11425         (s<code>_24_op): Rewrite to...
11426         (scc_op_24): ... this, using match_operator.
11427         (s<code>_<mode>): Rewrite to...
11428         (cstore<mode>4): ... this, using match_operator.
11429         (s<code>_<mode>_24): Rewrite to...
11430         (cstore<mode>4_24): ... this, using match_operator.
11431         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
11432         m32c_unpend_compare, m32c_expand_scc): Delete.
11433         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
11434         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
11435         (m32c_expand_movcc): Change NE to EQ if necessary.
11436         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
11437
11438         * config/m32r/m32r-protos.h (gen_cond_store): New.
11439         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
11440         (gen_cond_store): New, from sCC patterns.
11441         (m32r_expand_block_move): Use cbranchsi4.
11442         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
11443         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
11444         (cbranchsi4, cstoresi4): New.
11445
11446         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
11447         Delete.
11448         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
11449         (m68hc11_notice_update_cc): Look into a compare with 0.
11450         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
11451         Delete.
11452         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
11453         cmphi, cmpqi, bCC): Delete.
11454         (cbranchsi4, cbranchhi4, cbranchqi4): New.
11455         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
11456         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
11457         sets with COMPARE.
11458
11459         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
11460         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
11461         * config/m68k/constraints.md (H): New.
11462         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
11463         the define_insn below.
11464         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
11465         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
11466         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
11467         patterns): Wrap RHS with COMPARE.
11468         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
11469         (*cmpdi_internal): Name this pattern.
11470         (cmpdi): Change to define_insn.
11471         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
11472         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
11473         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
11474         predicate.
11475         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
11476         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
11477         (conditional_trap): Change to...
11478         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
11479         (*conditional_trap): Use the ordered_comparison_operator and
11480         const1_operand predicates.
11481         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
11482         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
11483         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
11484         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
11485
11486         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
11487         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
11488         (mcore_gen_compare): New.
11489         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
11490         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
11491         (mcore_gen_compare): ... this.
11492         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
11493         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
11494         (stack probe pattern): Use cbranchsi4.
11495
11496         * config/mips/predicates.md (mips_cstore_operator): New.
11497         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
11498         * config/mips/mips.md (any_cond): Delete.
11499         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
11500         always succeed.
11501         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
11502         fixuns_truncsfdi2): Use cbranch patterns.
11503         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete.
11504         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
11505         Adjust call to mips_expand_conditional_branch.
11506         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
11507         cstore<GPR:mode>4.
11508         * config/mips/mips-protos.h (mips_expand_conditional_branch,
11509         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
11510         * config/mips/mips.c (cmp_operands): Delete.
11511         (mips_emit_compare): Get comparison operands from *op0/*op1.
11512         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
11513         that it succeeds.  Use op0/op1 instead of cmp_operands.
11514         (mips_expand_conditional_branch, mips_expand_conditional_move,
11515         mips_expand_conditional_trap): Likewise.
11516         (mips_block_move_loop): Use cbranch patterns.
11517         * config/mips/mips.h (cmp_operands): Delete.
11518
11519         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
11520         (mmix_gen_compare_reg): Just return a register in the right CC mode.
11521         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
11522         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
11523         (*cmpcc_folded): Rename to...
11524         (*cmpdi_folded): this.
11525         (*cmpcc): Rename to...
11526         (*cmps): ... this.
11527         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
11528         (bCC): Remove.
11529         (cbranchdi4): New.
11530         (cbranchdf4): New.  Handle invalid comparisons here.
11531         * config/mmix/predicates.md (float_comparison_operator): New.
11532
11533         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
11534         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
11535         * config/mn10300/mn10300.md (tst): Delete.
11536         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
11537         Name these patterns and wrap RHS in a compare.
11538         (*cmpsi): Make this pattern private.  Include tst.
11539         (*cmpsf): Make this pattern private.
11540         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
11541         (compare with zero peepholes): Likewise.
11542         (bCC): Remove.
11543         (cbranchsi4, cbranchsf4): New.
11544         (casesi): Use cbranchsi4.
11545
11546         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
11547         hppa_branch_type): Delete.
11548         (return_addr_rtx): Use cbranchsi4.
11549         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
11550         Emit CCFPmode comparison here.
11551         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
11552         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
11553         hppa_branch_type): Delete.
11554         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
11555         (movsicc, movdicc): Remove references to hppa_compare_op0,
11556         hppa_compare_op1 and compare_from_rtx.
11557         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
11558         (casesi): Use cbranchsi4.
11559
11560         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
11561         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
11562         * config/pdp11/pdp11.md (register_or_const0_operand): New.
11563         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
11564         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
11565         (bCC): Delete.
11566         (cbranchdf4, cbranchhi4, cbranchqi4): New.
11567         (*branch, *branch_inverted): New.
11568
11569         * config/picochip/picochip.md (cbranchhi4): Use
11570         ordered_comparison_operator.
11571         (cmphi, bCC): Remove.
11572
11573         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
11574         (trap_comparison_operator): Delete.
11575         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
11576         rs6000_emit_cbranch): Accept mode and operands.
11577         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
11578         rs6000_compare_fp_p): Delete.
11579         (rs6000_generate_compare): Accept mode and comparison.  Extract code
11580         and op0/op1 from there.  Replace references to rs6000_compare_op0
11581         and rs6000_compare_op1.
11582         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
11583         extract result from passed operands.
11584         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
11585         extract loc from passed operands.
11586         (rs6000_emit_cmove): Likewise.
11587         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
11588         rs6000_compare_fp_p): Delete.
11589         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
11590         (cbranch<GPR>4, cbranch<FP>4): New.
11591         (cstore<mode>4): New.  Consolidate here all choices about when to use
11592         portable or specialized sCC sequences.
11593         (stack_protect_test): Use cbranchsi4.
11594         (conditional_trap): Replace with ctrap<GPR>4.
11595         (conditional trap insn): Replace trap_comparison_operator with
11596         ordered_comparison_operator.
11597
11598         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
11599         (s390_emit_prologue): Use ctrap.
11600         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
11601         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
11602         New predicates replacing...
11603         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
11604         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
11605         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
11606         (add<mode>cc): Do not use s390_compare_op0/op1.
11607         (s<code>): Change to...
11608         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
11609         (seq): Change to...
11610         (cstorecc4): ... this.  Handle EQ or NE equally.
11611         (*sne): Un-privatize for use in cstorecc4.
11612         (b<code>): Change to...
11613         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
11614         (conditional_trap): Replace with...
11615         (ctrap<GPR>4, ctrap<FP>4): ... these.
11616         (stack_protect): Use cbranchcc4.
11617
11618         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
11619         * config/score/score-protos.h (score_gen_cmp): Delete.
11620         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
11621         (score_block_move-loop): Use cbranchsi4.
11622         * config/score/score.md (cbranchsi4): New.
11623         (cmpsi, bCC): Delete.
11624         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
11625         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
11626         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
11627         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
11628         * config/score/score3.h (score3_gen_cmp): Delete.
11629         * config/score/score7.h (score7_gen_cmp): Delete.
11630
11631         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
11632         (sh_emit_scc_to_t): ... this.  Return void.
11633         (from_compare): Rename to...
11634         (sh_emit_compare_and_branch): ... this.
11635         (sh_emit_compare_and_set): New.
11636         (sh_expand_t_scc): Accept operands.
11637         * config/sh/predicates.md (sh_float_comparison_operator): New.
11638         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
11639         (prepare_scc_operands): Rename to...
11640         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
11641         arguments.
11642         (sh_emit_cheap_store_flag): New.
11643         (sh_emit_set_t_insn): New.
11644         (from_compare): Rename to...
11645         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
11646         handling of TARGET_SH2E floating point to avoid recursive call.
11647         Generate branch here.
11648         (sh_emit_compare_and_set): New.
11649         (sh_expand_t_scc): Get op0/op1 from arguments.
11650         (sh_emit_cheap_store_flag): New.
11651         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
11652         cases.
11653         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
11654         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
11655         (movsicc, movdicc): Do nothing when it recreated operands from
11656         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
11657         prepare_scc_operands (now sh_emit_scc_to_t).
11658         (udivdi3): Use cstoresi4.
11659         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
11660         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
11661         (cbranchint4_media, cbranchfp4_media): New.
11662         (casesi): Use cbranchdi4.
11663         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
11664         Delete.
11665         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
11666         (movnegt): Remove second operand.
11667         (cbranchsf4, cbranchdf4): New.
11668         (stack_protect): Use cbranchdi4/cbranchsi4.
11669
11670         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
11671         (gen_compare_reg): Accept comparison, extract part of it to...
11672         (gen_compare_reg_1): ... this.
11673         (gen_compare_operator): Delete.
11674         (gen_v9_scc): Accept separate destination, comparison code and arms.
11675         Do not use sparc_compare_op0/sparc_compare_op1.
11676         (emit_scc_insn, emit_conditional_branch_insn): New.
11677         (emit_v9_brxx): Make static.  Remove useless assertion.
11678         (sparc_emit_float_lib_cmp): Return RTL instead of calling
11679         emit_cmp_insn.
11680         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
11681         * config/sparc/sparc-protos.h (gen_compare_reg,
11682         sparc_emit_float_lib_cmp): Adjust prototype.
11683         (emit_scc_insn, emit_conditional_branch_insn): New.
11684         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
11685         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
11686         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
11687         iterators to the top.
11688         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
11689         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
11690         snedi_special_trunc): Delete.
11691         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
11692         and snedi_special_trunc.
11693         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
11694         cbranchdi4, cbranch<F:mode>4): New.
11695         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
11696         here.  Use gen_compare_reg instead of gen_compare_operator.
11697         (conditional_trap): Replace with...
11698         (ctrapsi4, ctrapdi4): ... this.
11699         (stack_protect_test): Use cbranchcc4.
11700
11701         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
11702         argument to rtx.
11703         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove.
11704         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
11705         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
11706         from operands[0] or operands[3] depending on is_set.
11707         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
11708         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
11709         cmpdf, bCC), sCC: Remove.
11710         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4,
11711         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
11712         cstoredf4): New.
11713         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
11714         spu_emit_branch_or_set.
11715
11716         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
11717         Add two arguments.
11718         * config/stormy16/stormy16.h (xstormy16_compare_op0,
11719         xstormy16_compare_op1): Delete.
11720         * config/stormy16/stormy16.c (xstormy16_compare_op0,
11721         xstormy16_compare_op1): Delete.
11722         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
11723         Adjust calls.
11724         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
11725         (cmphi, cmpsi, bCC): Remove.
11726
11727         * config/v850/v850.md (tstsi, cmpsi): Fold into...
11728         (*cmpsi): ... this one.
11729         (cbranchsi4, cstoresi4): New.
11730         (bCC expanders): Delete.
11731         (sCC insns): Fold into...
11732         (*setcc): ... this one.
11733         (casesi): Do not use gen_cmpsi and gen_bgtu.
11734         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
11735         (movsicc): Simplify.
11736         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
11737
11738         * config/vax/vax-protos.h (cond_name): New.
11739         (vax_output_conditional_branch): Remove.
11740         * config/vax/vax.c (cond_name): New.
11741         (vax_output_conditional_branch): Remove.
11742         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
11743         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
11744         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
11745         (bit<VAXint>): Wrap source with (compare).
11746         (b<code> and following unnamed pattern): Rename to *branch and
11747         *branch_reversed.  Change macroization to match_operator.
11748         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
11749
11750         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
11751         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
11752         Change last argument to machine_mode.
11753         (xtensa_expand_scc): Add machine_mode argument.
11754         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
11755         (gen_conditional_move, xtensa_expand_conditional_branch,
11756         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
11757         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
11758         Adjust operand numbers.
11759         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
11760         Delete.
11761         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
11762         (cmpsi, cmpsf, b<code>, s<code>): Delete.
11763         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
11764
11765 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
11766
11767         * optabs.c (prepare_cmp_insn): Temporarily disable test that
11768         causes spurious differences between trunk and cond-optab branch.
11769
11770 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
11771
11772         PR target/37137
11773         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
11774
11775 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
11776
11777         * tree.c (iterative_hash_pointer): Delete.
11778         (iterative_hash_expr): Short-circuit handling of NULL pointer.
11779         Hash UIDs and versions of SSA names.  Don't special-case built-in
11780         function declarations.
11781
11782 2009-05-11  Ian Lance Taylor  <iant@google.com>
11783
11784         PR bootstrap/40103
11785         * graphite.c: Force -Wc++-compat to only be a warning before
11786         #including "cloog/cloog.h".
11787
11788 2009-05-11  Martin Jambor  <mjambor@suse.cz>
11789
11790         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
11791
11792 2009-05-11  Jan Hubicka  <jh@suse.cz>
11793
11794         * tree-ssa-loop-ivcanon.c: Include target.h
11795         (struct loop_size): new structure.
11796         (constant_after_peeling): New predicate.
11797         (tree_estimate_loop_size): New function.
11798         (estimated_unrolled_size): Rewrite for new estimates.
11799         (try_unroll_loop_completely): Use new estimates.
11800         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
11801
11802 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11803
11804         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
11805         libcpp interface change.
11806         (spu_macro_to_expand): Likewise.
11807
11808 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
11809
11810         PR tree-optimization/40026
11811         * gimplify.c (gimplify_init_constructor): Change initial conditional
11812         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
11813         optimize_compound_literals_in_ctor.
11814
11815 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
11816
11817         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
11818         New devices.
11819         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
11820
11821 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
11822
11823         * tree-vect-data-refs.c (vect_analyze_group_access): Use
11824         HOST_WIDE_INT for gap.
11825
11826 2009-05-11  Ira Rosen  <irar@il.ibm.com>
11827
11828         PR tree-optimization/40074
11829         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
11830         account in group size and step comparison.
11831
11832 2009-05-11  Richard Guenther  <rguenther@suse.de>
11833
11834         * passes.c (init_optimization_passes): Strip now incorrect comment.
11835         (execute_function_todo): Do not set PROP_alias.
11836         * tree-pass.h (PROP_alias): Remove.
11837         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
11838         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
11839         * tree-nrv.c (pass_return_slot): Likewise.
11840         * tree-object-size.c (pass_object_sizes): Likewise.
11841         * tree-ssa-dom.c (pass_dominator): Likewise.
11842         (pass_phi_only_cprop): Likewise.
11843         * tree-ssa-dse.c (pass_dse): Likewise.
11844         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
11845         (pass_cselim): Likewise.
11846         * tree-ssa-pre.c (pass_pre): Likewise.
11847         (pass_fre): Likewise.
11848         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
11849         * tree-ssa-sink.c (pass_sink_code): Likewise.
11850         * tree-stdarg.c (pass_stdarg): Likewise.
11851         * tree-tailcall.c (pass_tail_calls): Likewise.
11852         * tree-vrp.c (pass_vrp): Likewise.
11853
11854 2009-05-10  Ian Lance Taylor  <iant@google.com>
11855
11856         * basic-block.h (enum profile_status): Break out of struct
11857         control_flow_graph.
11858         * cgraph.h (struct inline_summary): Break out of struct
11859         cgraph_local_info.
11860         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
11861         of struct cgraph_order_sort.
11862         * combine.c (enum undo_kind): New enum, broken out of struct undo.
11863         * cse.c (struct branch_path): Break out of struct
11864         cse_basic_block_data.
11865         * except.h (enum eh_region_type): Break out of struct eh_region.
11866         * gcc.c (enum add_del): Break out of struct modify_target.
11867         * genrecog.c (enum decision_type): Break out of struct decision_test.
11868         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
11869         ggc_pch_data.
11870         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
11871         * regmove.c (enum match_use): New enum, broken out of struct match.
11872         * sched-int.h (enum post_call_group): New enum, broken out of
11873         struct deps.
11874         (struct deps_reg): Break out of struct deps.
11875         * target.h (struct asm_int_op): Break out of struct gcc_target.
11876         * tree-eh.c (struct goto_queue_node): Break out of struct
11877         leh_tf_state.
11878         * tree-inline.h (enum copy_body_cge_which): Break out of
11879         copy_body_data.
11880         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
11881
11882         * c-decl.c (in_struct, struct_types): New static variables.
11883         (pushtag): Add loc parameter.  Change all callers.
11884         (lookup_tag): Add ploc parameter.  Change all callers.
11885         (check_compound_literal_type): New function.
11886         (parser_xref_tag): Add loc parameter.  Change all callers.  If
11887         -Wc++-compat, warn about struct/union/enum types defined within a
11888         struct or union.
11889         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
11890         and loc parameters.  Change all callers.  Change error calls to
11891         error_at, using loc.  For a redefinition, if the location of the
11892         original definition is known, report it.  Set in_struct and
11893         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
11894         (finish_struct): Add new parameters enclosing_in_struct and
11895         enclosing_struct_types.  Change all callers.  Set
11896         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
11897         in the struct.  If in a struct, add this struct to struct_types.
11898         (start_enum): Add loc parameter.  Change all callers.  Use
11899         error_at for errors, using loc.  For a redefinition, if the
11900         location of the original definition is known, report it.  If in a
11901         struct, add this enum type to struct_types.  If -Wc++-compat warn
11902         if in sizeof, typeof, or alignof.
11903         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
11904         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
11905         (c_parser_enum_specifier): Get enum location for start_enum.
11906         (c_parser_struct_or_union_specifier): Get struct location for
11907         start_struct.  Save in_struct and struct_types status between
11908         start_struct and finish_struct.
11909         (c_parser_cast_expression): Get location of cast.
11910         (c_parser_alignof_expression): Get location of type.
11911         (c_parser_postfix_expression): Likewise.
11912         (c_parser_postfix_expression_after_paren_type): Add type_loc
11913         parameter.  Change all callers.  Call check_compound_literal_type.
11914         Use type_loc for error about variable size type.
11915         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
11916         of an enum constant from an enum type defined in a struct or union.
11917         (c_cast_expr): Add loc parameter.  Change all callers.  If
11918         -Wc++-compat, warn about defining a type in a cast.
11919         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
11920         (start_enum, start_struct, finish_struct): Update declarations.
11921         (parser_xref_tag, c_cast_expr): Update declarations.
11922         (check_compound_literal_type): Declare.
11923
11924 2009-05-11  Ben Elliston  <bje@au.ibm.com>
11925
11926         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
11927         for recent libcpp interface change.
11928         (rs6000_macro_to_expand): Likewise.
11929
11930 2009-05-10  Michael Matz  <matz@suse.de>
11931
11932         PR target/40031
11933         * config/arm/arm.c (require_pic_register): Emit on entry edge,
11934         not at entry of function.
11935
11936 2009-05-10  Richard Guenther  <rguenther@suse.de>
11937
11938         PR tree-optimization/40081
11939         Revert
11940         * tree-sra.c (instantiate_element): Instantiate scalar replacements
11941         using the main variant of the element type.  Do not fiddle with
11942         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
11943
11944         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
11945         structs with volatile fields.
11946
11947 2009-05-10  Jan Hubicka  <jh@suse.cz>
11948
11949         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
11950         (estimate_move_cost): Assert that it does not get called for
11951         VOID_TYPE_P.
11952         (estimate_num_insns): Skip VOID types in argument handling.
11953         (optimize_inline_calls): Delete unreachable blocks and verify that
11954         callgraph is valid.
11955
11956 2009-05-10  Jan Hubicka  <jh@suse.cz>
11957
11958         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
11959         * cgraph.c (cgraph_mark_address_taken_node): New function.
11960         (dump_cgraph_node): Dump new flag.
11961         * cgraph.h (struct cgraph_node): Add address_taken.
11962         (cgraph_mark_address_taken_node): New function.
11963         * ipa.c (cgraph_postorder): Prioritize functions with address taken
11964         since new direct calls can be born.
11965
11966 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
11967
11968         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
11969         tok->val.node.node.
11970
11971 2009-05-10  Jan Hubicka  <jh@suse.cz>
11972
11973         PR middle-end/40084
11974         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
11975         argument; rewrite.
11976         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
11977         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
11978         * tree-inline.c (copy_bb): Set frequency correctly.
11979         (fold_marked_statements): Update call to
11980         cgraph_update_edges_for_call_stmt.
11981
11982 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
11983
11984         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
11985         identifiers in diagnostics.
11986         * config/arm/arm.c (arm_handle_fndecl_attribute,
11987         arm_handle_isr_attribute): Likewise.
11988         * config/avr/avr.c (avr_handle_progmem_attribute,
11989         avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
11990         * config/bfin/bfin.c (handle_int_attribute,
11991         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
11992         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
11993         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
11994         Likewise.
11995         * config/darwin.c (darwin_handle_kext_attribute,
11996         darwin_handle_weak_import_attribute): Likewise.
11997         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
11998         h8300_handle_eightbit_data_attribute,
11999         h8300_handle_tiny_data_attribute): Likewise.
12000         * config/i386/i386.c (ix86_handle_cconv_attribute,
12001         ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
12002         * config/i386/winnt.c (ix86_handle_shared_attribute,
12003         ix86_handle_selectany_attribute): Likewise.
12004         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
12005         * config/m32c/m32c.c (function_vector_handler): Likewise.
12006         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
12007         m68hc11_handle_fntype_attribute): Likewise.
12008         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
12009         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
12010         * config/mips/mips.c (mips_insert_attributes,
12011         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
12012         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
12013         rs6000_handle_struct_attribute): Likewise.
12014         * config/sh/sh.c (sh_insert_attributes,
12015         sh_handle_resbank_handler_attribute,
12016         sh_handle_interrupt_handler_attribute,
12017         sh2a_handle_function_vector_handler_attribute,
12018         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12019         Likewise.
12020         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
12021         * config/spu/spu.c (spu_handle_fndecl_attribute,
12022         spu_handle_vector_attribute): Likewise.
12023         * config/stormy16/stormy16.c
12024         (xstormy16_handle_interrupt_attribute): Likewise.
12025         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
12026         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
12027
12028 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
12029
12030         * pretty-print.h (struct pretty_print_info): Add translate_identifiers.
12031         (pp_translate_identifiers): New.
12032         (pp_identifier): Only conditionally translate identifier to locale
12033         character set.
12034         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
12035         (pp_base_tree_identifier): Only conditionally translate identifier
12036         to locale character set.
12037         * c-pretty-print.c (M_): Define.
12038         (pp_c_type_specifier, pp_c_primary_expression): Mark English
12039         fragments for conditional translation with M_.
12040         * tree-pretty-print.c (maybe_init_pretty_print): Disable
12041         identifier translation.
12042
12043 2009-05-10  Richard Guenther  <rguenther@suse.de>
12044
12045         PR tree-optimization/40081
12046         * tree-sra.c (instantiate_element): Instantiate scalar replacements
12047         using the main variant of the element type.  Do not fiddle with
12048         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
12049
12050 2009-05-09  Jan Hubicka  <jh@suse.cz>
12051
12052         PR middle-end/40080
12053         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
12054         indirect calls; verify cgraph afterwards.
12055
12056 2009-05-09  Jan Hubicka  <jh@suse.cz>
12057
12058         PR bootstrap/40082
12059         * ipa.c (update_inlined_to_pointer): New function.
12060         (cgraph_remove_unreachable_nodes): Use it.
12061
12062 2009-05-09  Jan Hubicka  <jh@suse.cz>
12063
12064         * tree-eh.c (struct leh_state): Remove prev_try.
12065         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
12066         not track prev_try.
12067         * except.c (gen_eh_region_cleanup, duplicate_eh_regions,
12068         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
12069         remove_eh_handler_and_replace, foreach_reachable_handler,
12070         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
12071         * except.h (struct eh_region): Remove eh_region_u_cleanup.
12072         (gen_eh_region_cleanup): Update prototype.
12073
12074 2009-05-09  Jan Hubicka  <jh@suse.cz>
12075
12076         PR middle-end/40043
12077         * except.c (copy_eh_region): Always set prev_try.
12078         (redirect_eh_edge_to_label): Find outer try.
12079         (foreach_reachable_handler): When looking for prev try
12080         handle case where previous try is not going to be taken.
12081
12082 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
12083
12084         PR tree-optimization/40049
12085         * tree-vect-stmts.c (vectorizable_operation): If the machine has
12086         only vector/vector shifts, convert the type of the constant to the
12087         appropriate type to avoid building incorrect trees, which
12088         eventually have problems with garbage collection.
12089
12090 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
12091
12092         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
12093         -1 for complex floating-point types if honoring signed zeros.
12094
12095 2009-05-08  Jan Hubicka  <jh@suse.cz>
12096
12097         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
12098         argument; handle correctly when profile is absent.
12099         (build_cgraph_edges): Update.
12100         (rebuild_cgraph_edges): Update.
12101         * cgraph.c: Do not include varray.h.
12102         (cgraph_set_call_stmt_including_clones): New function.
12103         (cgraph_create_edge_including_clones): Likewise
12104         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
12105         (cgraph_update_edges_for_call_stmt): Handle clones.
12106         (cgraph_remove_node): Handle clone tree.
12107         (cgraph_remove_node_and_inline_clones): New function.
12108         (dump_cgraph_node): Dump clone tree.
12109         (cgraph_clone_node): Handle clone tree.
12110         (clone_function_name): Bring here from tree-inline.c.
12111         (cgraph_create_virtual_clone): New function.
12112         * cgraph.h (ipa_replace_map): Move here from ipa.h.
12113         (cgraph_clone_info): New function.
12114         (strut cgraph_node): Add clone_info and new clone tree pointers.
12115         (cgraph_remove_node_and_inline_clones,
12116         cgraph_set_call_stmt_including_clones,
12117         cgraph_create_edge_including_clones,
12118         cgraph_create_virtual_clone): Declare.
12119         (cgraph_function_versioning): Use VEC argument.
12120         (compute_call_stmt_bb_frequency): Update prototype.
12121         (cgraph_materialize_all_clones): New function.
12122         * ipa-cp.c (ipcp_update_cloned_node): Remove.
12123         (ipcp_create_replace_map): Update to VECtors.
12124         (ipcp_update_callgraph): Use virtual clones.
12125         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
12126         (ipcp_update_profiling): Do not update local profiling.
12127         (ipcp_insert_stage): Use VECtors and virtual clones.
12128         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
12129         (clone_of_p): New function.
12130         (cgraph_preserve_function_body_p): Use clone tree.
12131         (cgraph_optimize): Materialize clones.
12132         (cgraph_function_versioning): Update for VECtors.
12133         (save_inline_function_body): Use clone tree.
12134         (cgraph_materialize_clone): New function.
12135         (cgraph_materialize_all_clones): Likewise.
12136         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
12137         * ipa.c: Include gimple.h.
12138         (cgraph_remove_unreachable_nodes): Use clone tree.
12139         * ipa-prop.c (ipa_note_param_call): Update call to
12140         compute_call_stmt_bb_frequencycall.
12141         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
12142         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
12143         (copy_bb): Handle updating of clone tree; add new edge when new call
12144         appears.
12145         (expand_call_inline): Be strict about every call having edge.
12146         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
12147         (delete_unreachable_blocks_update_callgraph): New function.
12148         (tree_function_versioning): Use VECtors; always remove unreachable
12149         blocks and fold conditionals.
12150         * tree-inline.h: Do not include varray.h.
12151         (tree_function_versioning): Remove.
12152         * Makefile.in (GTFILES): Remove tree-inline.c
12153         * passes.c (do_per_function): Do only functions having body.
12154         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
12155         tree.
12156
12157 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
12158             Andrew Morrow  <acm@google.com>
12159
12160         PR c/36892
12161         * c-common.c (c_common_attribute_table): Permit deprecated
12162         attribute to take an optional argument.
12163         (handle_deprecated_attribute): If the optional argument to
12164         __attribute__((deprecated)) is not a string ignore the attribute
12165         and emit a warning.
12166
12167         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
12168         * c-typeck.c (build_component_ref): Likewise.
12169         (build_external_ref): Likewise.
12170
12171         * toplev.c (warn_deprecated_use): Add an attribute argument.
12172         Emit the message associated with __attribute__((deprecated)).
12173
12174         * toplev.h (warn_deprecated_use): Updated.
12175
12176         * doc/extend.texi: Document new optional parameter to
12177         __attribute__((deprecated))
12178
12179 2009-05-08  Michael Eager <eager@eagercon.com>
12180
12181         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
12182         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
12183
12184 2009-05-08  Richard Guenther  <rguenther@suse.de>
12185
12186         PR tree-optimization/40062
12187         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
12188         Avoid exponential behavior.
12189
12190 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
12191
12192         PR rtl-optimization/33928
12193         PR 26854
12194         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
12195         process_uses, build_single_def_use_links): New.
12196         (update_df): Update use_def_ref.
12197         (forward_propagate_into): Use get_def_for_use instead of use-def
12198         chains.
12199         (fwprop_init): Call build_single_def_use_links and let it initialize
12200         dataflow.
12201         (fwprop_done): Free use_def_ref.
12202         (fwprop_addr): Eliminate duplicate call to df_set_flags.
12203         * df-problems.c (df_rd_simulate_artificial_defs_at_top,
12204         df_rd_simulate_one_insn): New.
12205         (df_rd_bb_local_compute_process_def): Update head comment.
12206         (df_chain_create_bb): Use the new RD simulation functions.
12207         * df.h (df_rd_simulate_artificial_defs_at_top,
12208         df_rd_simulate_one_insn): New.
12209         * opts.c (decode_options): Enable fwprop at -O1.
12210         * doc/invoke.texi (-fforward-propagate): Document this.
12211
12212 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
12213
12214         PR c/24581
12215         * c-typeck.c (build_binary_op): Handle arithmetic between one real
12216         and one complex operand specially.
12217         * tree-complex.c (some_nonzerop): Do not identify a real value as
12218         zero if flag_signed_zeros.
12219
12220 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
12221
12222         PR rtl-optimization/33928
12223         * loop-invariant.c (record_use): Fix && vs. || mishap.
12224
12225 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
12226
12227         PR rtl-optimization/33928
12228         * loop-invariant.c (struct use): Add addr_use_p.
12229         (struct def): Add n_addr_uses.
12230         (struct invariant): Add cheap_address.
12231         (create_new_invariant): Set cheap_address.
12232         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
12233         (record_uses): Pass df_ref to record_use.
12234         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
12235         used only as such.
12236
12237 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
12238
12239         * config/sh/sh.c: Do not include c-pragma.h.
12240
12241 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12242
12243         * config/spu/spu.c: Remove include of c-common.h.
12244
12245 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
12246
12247         PR c/39037
12248         * c-common.h (mark_valid_location_for_stdc_pragma,
12249         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
12250         clear_float_const_decimal64, float_const_decimal64_p): New.
12251         * c.opt (Wunsuffixed-float-constants): New.
12252         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
12253         unsuffixed float constant, handle new warning.
12254         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
12255         * c-decl.c (c_scope): New flag float_const_decimal64.
12256         (set_float_const_decimal64, clear_float_const_decimal64,
12257         float_const_decimal64_p): New.
12258         (push_scope): Set new flag.
12259         * c-parser.c (c_parser_translation_unit): Mark when it's valid
12260         to use STDC pragmas.
12261         (c_parser_external_declaration): Ditto.
12262         (c_parser_compound_statement_nostart): Ditto.
12263         * c-pragma.c (valid_location_for_stdc_pragma,
12264         mark_valid_location_for_stdc_pragma,
12265         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
12266         handle_pragma_float_const_decimal64): New.
12267         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
12268         * cp/semantics.c (valid_location_for_stdc_pragma_p,
12269         set_float_const_decimal64, clear_float_const_decimal64,
12270         float_const_decimal64_p): New dummy functions.
12271         * doc/extend.texi (Decimal Float): Remove statement that the
12272         pragma, and suffix for double constants, are not supported.
12273         * doc/invoke.texi (Warning Options): List new option.
12274         (-Wunsuffixed-float-constants): New.
12275
12276 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
12277
12278         * config/i386/i386.c: Do not include c-common.h.
12279
12280 2009-05-07  Mark Heffernan  <meheff@google.com>
12281
12282         * doc/invoke.texi (Debugging Options): Document change of debugging
12283         dump location.
12284         * opts.c (decode_options): Make dump_base_name relative to
12285         aux_base_name directory.
12286
12287 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
12288
12289         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
12290         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
12291
12292 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
12293
12294         * Makefile.in (install-plugin): Simplify a bit.
12295
12296 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
12297
12298         * Makefile.in (OBJS-common): Add regcprop.o.
12299         (regcprop.o): New.
12300         * timevar.def (TV_CPROP_REGISTERS): New.
12301         * regrename.c (regrename_optimize): Return 0.
12302         (rest_of_handle_regrename): Delete.
12303         (pass_rename_registers): Point to regrename_optimize.
12304         (struct value_data_entry, struct value_data,
12305         kill_value_one_regno, kill_value_regno, kill_value,
12306         set_value_regno, init_value_data, kill_clobbered_value,
12307         kill_set_value, kill_autoinc_value, copy_value,
12308         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
12309         replace_oldest_value_reg, replace_oldest_value_addr,
12310         replace_oldest_value_mem, copyprop_hardreg_forward_1,
12311         debug_value_data, validate_value_data): Move...
12312         * regcprop.c: ... here.
12313         (rest_of_handle_cprop): Delete.
12314         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
12315
12316 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
12317
12318         PR middle-end/40057
12319         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
12320         GEN_INT for 1 << bitnum.
12321         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
12322         build_int_cst_type.
12323
12324 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
12325
12326         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
12327         Remove wrong description of "nand" operation.
12328
12329 2009-05-06  Richard Guenther  <rguenther@suse.de>
12330             Adam Nemet  <anemet@caviumnetworks.com>
12331
12332         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
12333         comment.  Add that if LHS is not a gimple register, then RHS1 has
12334         to be a single object (GIMPLE_SINGLE_RHS).
12335
12336 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
12337
12338         * expr.c (get_def_for_expr): Move it up in the file.
12339         (store_field): When expanding a bit-field store, look at the
12340         defining gimple stmt for the masking conversion.
12341
12342 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
12343
12344         PR middle-end/39986
12345         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
12346         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
12347         32-bit memcpy into long.
12348
12349 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
12350
12351         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
12352         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
12353         new_reg_loc_descr.
12354         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
12355         instead of appending DW_OP_deref*.
12356
12357 2009-05-06  Michael Matz  <matz@suse.de>
12358
12359         PR middle-end/40021
12360         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
12361         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
12362
12363 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
12364
12365         * Makefile.in (install-plugin): Fix srcdir handling.
12366
12367 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
12368
12369         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
12370         when processing for not_regs_needed bitmap.
12371         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
12372         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while
12373         handling it for rhs.
12374
12375 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
12376
12377         * config/i386/i386.md (unnamed inc/dec peephole): Use
12378         optimize_insn_for_size_p instead of optimize_size.
12379         * config/i386/predicates.md (incdec_operand): Likewise.
12380         (aligned_operand): Likewise.
12381         * config/i386/sse.md (divv8sf3): Likewise.
12382         (sqrtv8sf2): Likewise.
12383
12384 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
12385
12386         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
12387
12388         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
12389
12390 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
12391
12392         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
12393         ssemodesuffixf2c with avxmodesuffixf2c.
12394
12395 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
12396
12397         PR c/40032
12398         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
12399
12400 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
12401
12402         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
12403         (struct tree_base): Adjust spacing for 8 bit boundaries.
12404         (struct tree_decl_common): Add decl_by_reference_flag bit.
12405         (DECL_BY_REFERENCE): Adjust.
12406         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
12407         print DECL_BY_REFERENCE bit.
12408         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
12409         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
12410         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
12411         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
12412         unconditionally.
12413
12414         PR middle-end/39666
12415         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
12416         range of the type, but default label is missing, add it with one
12417         of the existing labels instead of adding a new label for it.
12418
12419 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
12420
12421         * dwarf.h: Remove.
12422
12423 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
12424
12425         * Makefile.in (enable_plugin, plugin_includedir): New.
12426         (install): Depend on install-plugin.
12427         (PLUGIN_HEADERS): New.
12428         (install-plugin): New.
12429         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
12430
12431 2009-05-05  Richard Guenther  <rguenther@suse.de>
12432
12433         PR tree-optimization/40022
12434         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
12435         the only vuse.
12436         (phivn_valid_p): Fix tuplification error, simplify.
12437         (phiprop_insert_phi): Add dumps.
12438         (propagate_with_phi): Simplify.
12439
12440 2009-05-05  Richard Guenther  <rguenther@suse.de>
12441
12442         PR middle-end/40023
12443         * builtins.c (gimplify_va_arg_expr): Properly build the address.
12444
12445 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
12446
12447         * tree.h (strip_float_extensions): Remove duplicate declaration.
12448         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
12449         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
12450         block_ultimate_origin): Rearrange the declarations line to match the
12451         comment that indicates the .c file which the functions are defined.
12452         (dwarf2out_*, set_decl_rtl): Add comment.
12453         (get_base_address): Adjust comment.
12454         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
12455         declarations line and add comment.
12456         (is_builtin_name): Add blank after function name, for clarity.
12457
12458 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
12459
12460         * attribs.c (decl_attributes): Use %qE for identifiers in
12461         diagnostics.
12462         * cgraphunit.c (verify_cgraph_node): Translate function names to
12463         locale character set in diagnostics.
12464         * coverage.c (get_coverage_counts): Use %qE for identifiers in
12465         diagnostics.
12466         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
12467         Document that functions are named in UTF-8.
12468         * expr.c (expand_expr_real_1): Translate function names to locale
12469         character set in diagnostics.
12470         * gimplify.c (omp_notice_variable, omp_is_private,
12471         gimplify_scan_omp_clauses): Use %qE for identifiers in
12472         diagnostics.
12473         * langhooks.c (lhd_print_error_function): Translate function names
12474         to locale character set.
12475         * langhooks.h (decl_printable_name): Document that return value is
12476         in internal character set.
12477         * stmt.c: Include pretty-print.h
12478         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
12479         diagnostics.
12480         (resolve_operand_name_1): Translate named operand name to locale
12481         character set.
12482         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
12483         diagnostics.
12484         * toplev.c (announce_function): Translate function names to locale
12485         character set.
12486         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
12487         (default_tree_printer): Use pp_identifier or translate identifiers
12488         to locale character set.  Mark "<anonymous>" for translation.
12489         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
12490         for identifiers in diagnostics.
12491         * tree.c (handle_dll_attribute): Use %qE for identifiers in
12492         diagnostics.
12493         * varasm.c (output_constructor): Use %qE for identifiers in
12494         diagnostics.
12495
12496 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
12497
12498         * configure.ac: use ` ` instead of $()
12499         * configure: Regenerate.
12500
12501 2009-05-05  Ben Elliston  <bje@au.ibm.com>
12502
12503         * config/pa/linux-atomic.c: Eliminate conditional include of
12504         errno.h on non-LP64 systems to simplify build requirements.
12505
12506 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
12507
12508         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
12509         diagnostics.
12510         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
12511         and pass value to identifier_to_locale.
12512         (warn_variable_length_array): Make name a tree.
12513         (grokdeclarator): Separate diagnostic texts for named and unnamed
12514         declarators.  Use %qE for named declarators.
12515         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
12516         diagnostics.
12517         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
12518         identifiers in diagnostics.
12519         * c-typeck.c (push_member_name, start_init): Pass identifiers to
12520         identifier_to_locale.  Mark "anonymous" strings for translation.
12521
12522 2009-05-04  Michael Eager <eager@eagercon.com>
12523
12524         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
12525         address for DImode/DFmode only if double-precision FP regs.
12526
12527 2009-05-04  Michael Eager <eager@eagercon.com>
12528
12529         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
12530         TARGET_SINGLE_FLOAT check.
12531
12532 2009-05-04  Michael Eager <eager@eagercon.com>
12533
12534         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
12535
12536 2009-05-04  Michael Eager <eager@eagercon.com>
12537
12538         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
12539         * config/rs6000/t-xilinx: New
12540
12541 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
12542
12543         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
12544         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
12545         * gcc/explow.c (memory_address): Use target hook.
12546         * gcc/targhooks.c (default_legitimize_address): New.
12547         * gcc/targhooks.h (default_legitimize_address): New.
12548         * gcc/target.h (legitimize_address): New.
12549         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
12550         (TARGET_INITIALIZER): Include it.
12551         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
12552
12553         * config/bfin/bfin-protos.h (legitimize_address): Remove.
12554         * config/bfin/bfin.c (legitimize_address): Remove.
12555         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
12556         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
12557         Remove.
12558         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
12559         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
12560
12561         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
12562         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
12563         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
12564         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
12565         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
12566         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
12567         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
12568         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
12569         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
12570         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
12571         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
12572         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
12573         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
12574         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
12575         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
12576         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
12577         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
12578         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
12579         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
12580         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
12581         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
12582         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
12583         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
12584
12585         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
12586         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
12587         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
12588         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
12589         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
12590         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
12591         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
12592         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
12593         (thumb_legitimize_address): Delete.
12594         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
12595         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
12596         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
12597         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
12598         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
12599         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
12600         Delete.
12601         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
12602         Delete.
12603
12604         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
12605         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
12606         * config/m32r/m32r.c (m32r_legitimize_address): New.
12607         * config/m68k/m68k.c (m68k_legitimize_address): New.
12608         * config/score/score.c (score_legitimize_address): Standardize.
12609         * config/score/score3.c (score3_legitimize_address): Standardize.
12610         * config/score/score3.h (score3_legitimize_address): Adjust.
12611         * config/score/score7.c (score7_legitimize_address): Standardize.
12612         * config/score/score7.h (score7_legitimize_address): Adjust.
12613         * config/sh/sh.c (sh_legitimize_address): New.
12614         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
12615
12616         * gcc/config/s390/s390.c (legitimize_address): Rename to...
12617         (s390_legitimize_address): ... this.
12618         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
12619         (sparc_legitimize_address): ... this.
12620         * gcc/config/i386/i386.c (legitimize_address): Rename to...
12621         (ix86_legitimize_address): ... this.
12622         * gcc/config/avr/avr.c (legitimize_address): Rename to...
12623         (avr_legitimize_address): ... this.
12624         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
12625         (mn10300_legitimize_address): ... this.
12626         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
12627         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
12628         (alpha_expand_mov): Adjust call.
12629
12630         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
12631         * config/spu/spu.c (spu_legitimize_address): Likewise.
12632         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
12633         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
12634
12635 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
12636
12637         * intl.c (locale_encoding, locale_utf8): New.
12638         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
12639         * intl.h (locale_encoding, locale_utf8): Declare.
12640         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
12641         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
12642         New.
12643         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
12644         argument.
12645         (pp_tree_identifier): Define to call pp_base_tree_identifier.
12646         (pp_base_tree_identifier): Declare as function.
12647         (identifier_to_locale): Declare.
12648         * Makefile.in (pretty-print.o): Update dependencies.
12649         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
12650
12651 2009-05-04  Richard Guenther  <rguenther@suse.de>
12652
12653         PR middle-end/40015
12654         * builtins.c (fold_builtin_memory_op): Do not decay to element
12655         type if the size matches the whole array.
12656
12657 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
12658
12659         * expmed.c (synth_mult): When trying out a shift, pass the result
12660         of a signed shift.
12661
12662 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
12663
12664         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
12665         (shiftsub1_cost): New.
12666         (init_expmed): Compute shiftsub1_cost.
12667         (synth_mult): Optimize multiplications by constants of the form
12668         -(2^^m-1) for some constant positive integer m.
12669
12670 2009-05-03  Richard Guenther  <rguenther@suse.de>
12671
12672         PR c/39983
12673         * c-typeck.c (array_to_pointer_conversion): Do not built
12674         ADDR_EXPRs of arrays of pointer-to-element type.
12675         * c-gimplify.c (c_gimplify_expr): Revert change fixing
12676         up wrong ADDR_EXPRs after-the-fact.
12677         * c-common.c (strict_aliasing_warning): Strip pointer
12678         conversions for obtaining the original type.
12679         * builtins.c (fold_builtin_memset): Handle array types.
12680         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
12681         and array types
12682
12683 2009-05-03  Richard Guenther  <rguenther@suse.de>
12684
12685         PR middle-end/23329
12686         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
12687         Do not lose casts from array types with unknown extent to array
12688         types with known extent.
12689         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
12690         alias set compatibility.
12691
12692 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
12693
12694         * flags.h (extra_warnings): Delete.
12695         * toplev.c (process_options): Handle Wuninitialized here.
12696         * opts.c (extra_warnings): Delete.
12697         (set_Wextra): Delete.
12698         (common_handle_option): -Wextra can be handled automatically.
12699         * c-opts.c (c_common_handle_option): Delete obsolete code.
12700         (c_common_post_options): Simplify comment.
12701         * common.opt (W): Add Var.
12702         (Wextra): Add Var.
12703         (Wuninitialized): Initialize to -1.
12704
12705 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
12706             Richard Guenther  <rguenther@suse.de>
12707
12708         * expr.c (get_def_for_expr): New function.
12709         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
12710         SSA rather than trees.
12711         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
12712         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
12713
12714 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
12715
12716         * c-common.c (reswords): Add _Imaginary.
12717         * c-common.c (enum rid): Add RID_IMAGINARY.
12718
12719 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
12720
12721         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
12722         Patch by Richard Guenther.
12723
12724 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
12725
12726         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
12727         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
12728         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
12729         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
12730         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
12731         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
12732         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
12733         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
12734         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
12735         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
12736         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
12737         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
12738         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
12739         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
12740         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
12741         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
12742         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
12743         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
12744
12745 2009-05-02  Richard Guenther  <rguenther@suse.de>
12746
12747         PR tree-optimization/39940
12748         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
12749         doing so.
12750
12751 2009-05-02  Richard Guenther  <rguenther@suse.de>
12752
12753         PR middle-end/40001
12754         * tree-ssa.c (execute_update_addresses_taken): Properly check
12755         if we can mark a variable DECL_GIMPLE_REG_P.
12756         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
12757         back to the end of the function.
12758         (is_gimple_reg_type): Remove complex type special casing.
12759         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
12760         if not optimizing.
12761
12762 2009-05-02  Ben Elliston  <bje@au.ibm.com>
12763
12764         * doc/collect2.texi (Collect2): Document search path behaviour
12765         when configured with --with-ld.
12766
12767 2009-05-02  Jan Hubicka  <jh@suse.cz>
12768
12769         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
12770         parameter; update callers.
12771         (coalesce_cost_edge): EH edges are costier because they needs
12772         splitting even if not critical and even more costier when there are
12773         multiple EH predecestors.
12774
12775 2009-05-02  Jan Hubicka  <jh@suse.cz>
12776
12777         * except.c (remove_eh_handler_and_replace): Handle updating after
12778         removing TRY blocks.
12779
12780 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
12781
12782         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
12783
12784 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
12785
12786         * varasm.c: Do not include c-pragma.h.
12787         * attribs.c: Do not incude c-common.h.
12788
12789 2009-05-01  Michael Matz  <matz@suse.de>
12790
12791         * calls.c (initialize_argument_information): Handle SSA names like
12792         decls with a non MEM_P DECL_RTL.
12793
12794 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
12795
12796         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
12797         * ipa-utils.c: Likewise.
12798         * ipa-type-escape.c: Likewise.
12799         * cgraphunit.c Do not include c-common.h.
12800         * ipa-pure-const.c: Likewise.
12801         * tree-if-conv.c: Likewise.
12802         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
12803         * ipa-struct-reorg.c: Likewise.
12804         * tree-nomudflap.c: Likewise.
12805         * tree-ssa-structalias.c: Likewise.
12806
12807 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
12808
12809         * store-motion.c: Many cleanups to make this pass a first-class
12810         citizen instead of an appendix to gcse load motion.  Add TODO list
12811         to make this pass faster/cleaner/better.
12812
12813         (struct ls_expr): Post gcse.c-split cleanups.
12814         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
12815         "stores" field to "avail_stores".
12816         (pre_ldst_mems): Rename to store_motion_mems.
12817         (pre_ldst_table): Rename to store_motion_mems_table.
12818         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
12819         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
12820         (ldst_entry): Rename to st_expr_entry, update users.
12821         (free_ldst_entry): Rename to free_st_expr_entry, update users.
12822         (free_ldst_mems): Rename to free_store_motion_mems, update users.
12823         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
12824         update caller.
12825         (first_ls_expr): Rename to first_st_expr, update users.
12826         (next_ls_expr): Rename to next_st_expr, update users.
12827         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
12828         fields properly for store motion instead of names inherited from load
12829         motion in gcse.c.
12830         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
12831         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
12832         are done with it.
12833
12834         (ae_kill): Rename to st_kill, update users.
12835         (ae_gen): Rename to st_avloc, update users.
12836         (transp): Rename to st_transp, update users.
12837         (pre_insert_map): Rename to st_insert_map, update users.
12838         (pre_delete_map): Rename to st_delete_map, update users.
12839         (insert_store, build_store_vectors, free_store_memory,
12840         one_store_motion_pass): Update for abovementioned changes.
12841
12842         (gcse_subst_count, gcse_create_count): Remove.
12843         (one_store_motion_pass): New statistics counters "n_stores_deleted"
12844         and "n_stores_created", local variables.
12845
12846         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
12847         use for_each_rtx.
12848
12849         (regvec, compute_store_table_current_insn): Remove.
12850         (reg_set_info, reg_clear_last_set): Remove.
12851         (compute_store_table): Use DF caches instead of local dataflow
12852         solvers.
12853
12854 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
12855
12856         * c-objc-common.c (c_tree_printer): Print identifiers with
12857         pp_identifier, not pp_string.  Mark "({anonymous})" for
12858         translation.
12859         * c-pretty-print.c (pp_c_ws_string): New.
12860         (pp_c_cv_qualifier, pp_c_type_specifier,
12861         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
12862         pp_c_storage_class_specifier, pp_c_function_specifier,
12863         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
12864         pp_c_primary_expression, pp_c_postfix_expression,
12865         pp_c_unary_expression, pp_c_shift_expression,
12866         pp_c_relational_expression, pp_c_equality_expression,
12867         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
12868         use pp_string and pp_c_ws_string in place of pp_identifier and
12869         pp_c_identifier for non-identifiers.  Mark English strings for
12870         translation.
12871         * c-pretty-print.h (pp_c_ws_string): Declare.
12872
12873 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
12874             Roland McGrath <roland@redhat.com>
12875
12876         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
12877         (ENABLE_LD_BUILDID): New configuration option.
12878         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
12879         (LINK_BUILDID_SPEC): New macro.
12880         (init_spec): If defined, prepend it between LINK_EH_SPEC and
12881         link_spec.
12882         * doc/install.texi: Document --enable-linker-build-id option.
12883         * configure: Rebuild.
12884         * config.in: Rebuild.
12885
12886 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
12887
12888         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
12889         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
12890         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
12891         MIPS_GP_SAVE_AREA_SIZE.
12892         * config/mips/mips.c (struct mips_frame_info): Update comment
12893         before arg_pointer_offset and hard_frame_pointer_offset.
12894         (mips_compute_frame_info): Update diagram before function: to
12895         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
12896         indicate the position of frame_pointer_rtx with -fstack-protector and
12897         to show args_size.  Don't allocate cprestore area for leaf functions
12898         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
12899         cprestore_size.
12900         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
12901
12902 2009-04-30  Michael Matz  <matz@suse.de>
12903
12904         PR tree-optimization/39955
12905         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
12906
12907 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
12908
12909         * ira.c (setup_cover_and_important_classes):  Use safe macro
12910         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
12911         directly.
12912         * genpreds.c (write_tm_preds_h):  Output suitable definition of
12913         REG_CLASS_FOR_CONSTRAINT.
12914
12915 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
12916
12917         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
12918         instead of an int.
12919         * bitmap.c (bitmap_descriptor): Likewise.
12920         * ggc-common.c (loc_descriptor): Likewise.
12921         * varray.c (varray_descriptor): Likewise.
12922         * vec.c (vec_descriptor): Likewise.
12923
12924 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
12925
12926         * Makefile.in (dce.o): Add $(EXCEPT_H).
12927         * dce.c: Include except.h and delete redundant vector definitions.
12928         (deletable_insn_p): Return false for non-call insns that can throw
12929         if DF is running.
12930
12931 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
12932
12933         * gcse.c (ae_gen): Remove.
12934         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
12935         and make non-static function to make it available in store-motion.c.
12936         Update call sites with search-and-replace.
12937         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
12938         extract_mentioned_regs, extract_mentioned_regs_helper,
12939         find_moveable_store, compute_store_table, load_kills_store, find_loads,
12940         store_killed_in_insn, store_killed_after, store_killed_before,
12941         build_store_vectors, insert_insn_start_basic_block, insert-store,
12942         remove_reachable_equiv_notes, replace_store_insn, delete_store,
12943         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
12944         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
12945         * store-motion.c: ...new file.  Also copy data structures from gcse.c
12946         and clean up to remove parts not used by store motion.
12947         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
12948         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
12949
12950 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12951
12952         PR target/38571
12953         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
12954         when optimizing for size.
12955
12956 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
12957
12958         * gcse.c (gcse_constant_p): Fix typo in last change.
12959
12960 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
12961
12962         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
12963
12964 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
12965
12966         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
12967
12968 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
12969
12970         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
12971         CONST_HIGH_PART result.
12972
12973 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
12974
12975         * config/avr/avr.c (initial_elimination_offset): Rename to
12976         avr_initial_elimination_offset.
12977         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
12978         change return type to bool.
12979         (avr_can_eliminate): New function.
12980         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
12981         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
12982         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
12983         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
12984         avr_initial_elimination_offset.
12985         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
12986         (avr_initial_elimination_offset): Define.
12987
12988 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
12989             Steven Bosscher  <steven@gcc.gnu.org>
12990
12991         PR rtl-optimization/39938
12992         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
12993         * cfgrtl.c: Include insn-attr.h.
12994         (rest_of_pass_free_cfg): New function.
12995         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
12996         * resource.c (init_resource_info): Remove call to df_analyze.
12997
12998 2009-04-29  Richard Guenther  <rguenther@suse.de>
12999
13000         PR target/39943
13001         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
13002         allow conversion to signed integers.
13003
13004 2009-04-29  Richard Guenther  <rguenther@suse.de>
13005
13006         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
13007         shifts of floating point vectors if the shift amount is
13008         a constant multiple of the element size.
13009
13010 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
13011             Michael Matz  <matz@suse.de>
13012
13013         PR middle-end/39927
13014         PR bootstrap/39929
13015         * tree-outof-ssa.c (emit_partition_copy): New function.
13016         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
13017         insert_part_to_rtx_on_edge): Perform the partition base var
13018         copy using emit_partition_copy.
13019         (insert_value_copy_on_edge): Convert constants to the right mode.
13020         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
13021         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
13022
13023 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
13024
13025         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
13026         scan backwards to try to find a constant to initialize it.
13027
13028         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
13029         insn before the loop_end instruction, don't look past labels.
13030
13031 2009-04-29  Richard Guenther  <rguenther@suse.de>
13032
13033         PR middle-end/39937
13034         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13035         loose type conversions.
13036         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
13037         stmts only if there are no uses of its definition.
13038
13039 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
13040
13041         * config/bfin/bfin.h (splitting_loops): Declare.
13042         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
13043         Reorder bit definitions to be ascending.
13044         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
13045         * config/bfin/bfin.c (splitting_loops): New variable.
13046         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
13047         (struct loop_info): Remove members INIT and LOOP_INIT.
13048         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
13049         the LSETUP sequence.  Allow LC to be loaded from any register, but
13050         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
13051         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
13052         set to 1.
13053         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
13054         of reload_completed.
13055
13056         From Jie Zhang:
13057         * config/bfin/bfin.md (movsi_insn): Refine constraints.
13058
13059 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
13060
13061         * Makefile.in (PLUGIN_VERSION_H): New.
13062         (OBJS-common): Remove plugin-version.o.
13063         (plugin.o): Depend on (PLUGIN_VERSION_H).
13064         (plugin-version.o): Remove.
13065         * configure: Regenerate
13066         * configure.ac: Create plugin-version.h.
13067         * gcc-plugin.h (plugin_gcc_version): Remove.
13068         (plugin_default_version_check): Change signature.
13069         * plugin-version.c: Remove.
13070         * plugin.c: Include plugin-version.h.
13071         (str_plugin_gcc_version_name): Remove.
13072         (try_init_one_plugin): Pass gcc version to plugin_init.
13073         (plugin_default_version_check): Both gcc and plugin versions are now
13074         arguments.
13075
13076 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
13077
13078         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
13079         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
13080         Remove special case testing for last insn of inner loops. Don't fail
13081         if the loop ends with a jump, emit an extra nop instead.
13082
13083         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
13084         DREGS rather than comparing directly.  Remove code that tries to
13085         account for latencies.
13086
13087 2009-04-29  Richard Guenther  <rguenther@suse.de>
13088
13089         PR tree-optimization/39941
13090         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
13091         eliminating an indirect call.
13092
13093 2009-04-29  Richard Guenther  <rguenther@suse.de>
13094
13095         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
13096         parameter.  Allow invariants as base if !require_lvalue.
13097         (verify_gimple_assign_single): Adjust.
13098
13099 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
13100
13101         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
13102         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
13103         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
13104         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
13105         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
13106         a VEC_SELECT.
13107         * config/bfin/bfin.c (bfin_expand_builtin,
13108         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
13109
13110 2009-04-28  Richard Guenther  <rguenther@suse.de>
13111
13112         * tree-vect-loop.c (get_initial_def_for_induction): Use
13113         correct types for pointer increment.
13114
13115 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13116
13117         * toplev.c (print_version): Update GMP version string calculation.
13118
13119 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
13120
13121         PR rtl-optimization/39938
13122         * resource.c (init_resource_info): Add call to df_analyze.
13123
13124 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
13125
13126         * config/alpha/alpha.md (usegp): Cast the result of
13127         alpha_find_lo_sum_using_gp to enum attr_usegp.
13128         * config/alpha/alpha.c (override_options): Remove end-of-structure
13129         marker element from cpu_table.  Use array size of cpu_table to handle
13130         -mcpu and -mtune options.
13131         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
13132
13133 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
13134
13135         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
13136         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
13137         tune_32 and tune_64.
13138         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
13139         support on PowerPC.
13140         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
13141         * config/rs6000/option-defaults.h: ... here.  New file.
13142         (OPT_64, OPT_32): Define.
13143         (MASK_64BIT): Define to 0 if not already defined.
13144         (OPT_ARCH64, OPT_ARCH32): Define.
13145         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
13146         and tune_64.
13147
13148 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
13149
13150         * config/arm/arm.c (arm_override_options): Emit error on using
13151         fpa with AAPCS.
13152
13153 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
13154
13155         PR rtl-optimization/39914
13156         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
13157         registers for allocnos created from user-defined variables only
13158         when not optimizing.
13159
13160 2009-04-28  Richard Guenther  <rguenther@suse.de>
13161
13162         PR middle-end/39937
13163         * fold-const.c (fold_binary): Use distribute_real_division only
13164         on float types.
13165
13166 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
13167
13168         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
13169         add hpux-stdint.h to tm_file.
13170         (hppa[12]*-*-hpux11*): Ditto.
13171         (ia64*-*-hpux*): Ditto.
13172         * config/hpux-stdint.h: New.
13173         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
13174         __STDC_EXT__ for all compiles.
13175         * config/pa/pa-hpux.h: Ditto.
13176         * config/pa/pa-hpux10.h: Ditto.
13177         * config/pa/pa-hpux11.h: Ditto.
13178
13179 2009-04-28  Catherine Moore  <clm@codesourcery.com>
13180
13181         * debug.h (set_name): Add comment.
13182
13183 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
13184
13185         PR target/39929
13186         * config/darwin.c (machopic_gen_offset): Check
13187         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
13188         * config/arm/arm.c (require_pic_register): Likewise.
13189
13190 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
13191
13192         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
13193         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
13194         m32c_promote_prototypes): Delete.
13195
13196 2009-04-28  Michael Matz  <matz@suse.de>
13197
13198         PR middle-end/39922
13199         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
13200         constants.
13201
13202 2009-04-28  Richard Guenther  <rguenther@suse.de>
13203
13204         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
13205
13206 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
13207
13208         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
13209         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
13210         * config/arm/arm-tune.md: Regenerate.
13211
13212 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
13213
13214         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
13215         block if there are complex incoming edges.
13216         (sel_merge_blocks): Remove useless assert.
13217         (sel_redirect_edge_and_branch): Check that edge was redirected.
13218         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
13219         (sel_find_rgns): Delete declaration.
13220         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
13221         the region when it is not a preheader.
13222
13223 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
13224
13225         PR c/39323
13226         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
13227
13228 2009-04-28  Richard Guenther  <rguenther@suse.de>
13229
13230         * tree.h (SSA_NAME_VALUE): Remove.
13231         (struct tree_ssa_name): Remove value_handle member.
13232         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
13233         array for jump threading.
13234         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
13235         SSA_NAME_VALUEs.
13236         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
13237         * tree-flow.h (threadedge_initialize_values): Declare.
13238         (threadedge_finalize_values): Likewise.
13239         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
13240         (SSA_NAME_VALUE): Define.
13241         (threadedge_initialize_values): New function.
13242         (threadedge_finalize_values): Likewise.
13243         * tree-ssa-dom.c (ssa_name_values): New global variable.
13244         (SSA_NAME_VALUE): Define.
13245         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
13246
13247 2009-04-28  Ira Rosen  <irar@il.ibm.com>
13248
13249         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
13250         Use REPORT_VECTORIZED_LOCATIONS instead
13251         REPORT_VECTORIZED_LOOPS.
13252         * tree-vectorizer.c (vect_verbosity_level): Make static.
13253         (vect_loop_location): Rename to vect_location.
13254         (vect_set_verbosity_level): Update comment.
13255         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
13256         and vect_location.
13257         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
13258         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
13259         instead REPORT_UNVECTORIZED_LOOPS.
13260         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
13261         and vect_loop_def to vect_external_def and vect_internal_def.
13262         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
13263         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and
13264         REPORT_UNVECTORIZED_LOCATIONS.
13265         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
13266         and vect_used_in_loop and to vect_unused_in_scope and
13267         vect_used_in_scope.
13268         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
13269         (vect_verbosity_level): Remove declaration.
13270         (vect_analyze_operations): Likewise.
13271         (vect_analyze_stmt): Declare.
13272         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
13273         REPORT_UNVECTORIZED_LOCATIONS.
13274         (vect_get_loop_niters): Fix indentation.
13275         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
13276         (vect_analyze_loop_operations): New function.
13277         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
13278         vect_analyze_operations.
13279         (vect_is_simple_reduction): Use new names.
13280         (vectorizable_live_operation, vect_transform_loop): Likewise.
13281         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
13282         to specify whether the data references can be a part of interleaving
13283         chain.
13284         (vect_analyze_data_ref_dependence): Use new names.
13285         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
13286         (vect_create_addr_base_for_vector_ref): Remove redundant code.
13287         * tree-vect-patterns.c (widened_name_p): Use new names.
13288         (vect_recog_dot_prod_pattern): Likewise.
13289         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
13290         (process_use, vect_mark_stmts_to_be_vectorized,
13291         vect_model_simple_cost, vect_model_store_cost,
13292         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
13293         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
13294         vectorizable_operation, vectorizable_type_demotion,
13295         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
13296         vectorizable_condition): Likewise.
13297         (vect_analyze_operations): Split into vect_analyze_loop_operations
13298         and ...
13299         (vect_analyze_stmt): ... new function.
13300         (new_stmt_vec_info): Use new names.
13301         (vect_is_simple_use): Use new names and fix comment.
13302         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
13303         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
13304
13305 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
13306
13307         PR target/39911
13308         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
13309         and integer modes for x87 operands.  Do not ICE for unsupported size,
13310         generate error instead.  Generate error for unsupported operand types.
13311         ['z']: Do not handle HImode memory operands specially.  Warning
13312         for floating-point operands.  Fallthru to 'Z' for unsupported operand
13313         types.  Do not ICE for unsupported size, generate error instead.
13314         (output_387_binary_op): Use %Z to output operands.
13315         (output_fp_compare): Ditto.
13316         (output_387_reg_move): Ditto.
13317
13318 2009-04-28  Ben Elliston  <bje@au.ibm.com>
13319
13320         PR c++/35652
13321         Revert:
13322
13323         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13324
13325         * builtins.c (c_strlen): Do not warn here.
13326         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
13327         * c-common.c (pointer_int_sum): Take an explicit location.
13328         Warn about offsets out of bounds.
13329         * c-common.h (pointer_int_sum): Adjust declaration.
13330
13331 2009-04-27  Ian Lance Taylor  <iant@google.com>
13332
13333         * collect2.c (is_ctor_dtor): Change type of ret field in struct
13334         names to symkind.
13335         * dce.c (run_fast_df_dce): Change type of old_flags to int.
13336         * df-core.c (df_set_flags): Change return type to int.  Change
13337         type of old_flags to int.
13338         (df_clear_flags): Likewise.
13339         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
13340         (df_get_conditional_uses): Likewise.
13341         * df.h (df_set_flags, df_clear_flags): Update declarations.
13342         * dwarf2out.c (struct indirect_string_node): Change type of form
13343         field to enum dwarf_form.
13344         (AT_string_form): Change return type to enum dwarf_form.
13345         * fixed-value.c (fixed_compare): Add cast to enum type.
13346         * fwprop.c (update_df): Change 0 to VOIDmode.
13347         * gensupport.c: Change 0 to UNKNOWN.
13348         * gimple.h (gimple_cond_code): Add cast to enum type.
13349         * haifa-sched.c (reemit_notes): Add cast to enum type.
13350         * hooks.c (hook_int_void_no_regs): Remove function.
13351         * hooks.h (hook_int_void_no_regs): Remove declaration.
13352         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
13353         * predict.c (combine_predictions_for_insn): Add casts to enum type.
13354         * real.c (real_arithmetic): Add cast to enum type.
13355         (real_compare): Likewise.
13356         * target.h (struct gcc_target): Change return type of
13357         branch_target_register_class to enum reg_class.
13358         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
13359         default_branch_target_register_class.
13360         * targhooks.c (default_branch_target_register_class): New function.
13361         * targhooks.h (default_branch_target_register_class): Declare.
13362         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
13363         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
13364         cast to int.
13365         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
13366         ERROR_MARK.
13367         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
13368         vect_uninitialized_def.  Change 0 to ERROR_MARK.
13369         * tree-vect-stmts.c (supportable_widening_operation): Don't
13370         initialize icode1 and icode2.
13371         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
13372         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
13373         and to STD_C89.
13374         (cmn_err_flag_specs): Change 0 to STD_C89.
13375         (cmn_err_char_table): Likewise.
13376         * config/arm/arm.c (get_arm_condition_code): Change type of code
13377         to enum arm_cond_code.
13378         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
13379         (IWMMXT_BUILTIN2): Likewise.
13380         (neon_builtin_type_bits): Don't define typedef.
13381         (neon_builtin_datum): Change type of bits field to int.
13382         (arm_expand_neon_args): Add cast to enum type.
13383         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
13384         TLS_MODEL_NONE.
13385         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
13386         casts to enum type.
13387         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
13388         MIPS_FP_COND_f.
13389         * config/mips/mips.md (jal_macro): Return enum constant.
13390         (single_insn): Likewise.
13391         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
13392         CODE_FOR_nothing.
13393         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
13394         casts to enum type.
13395         * config/s390/s390.c (s390_tune_flags): Change type to int.
13396         (s390_arch_flags): Likewise.
13397         (s390_handle_arch_option): Change flags field of struct pta to int.
13398         * config/s390/s390.h (s390_tune_flags): Update declaration.
13399         (s390_arch_flags): Likewise.
13400         * config/sh/sh.c (prepare_move_operands): Compare
13401         tls_symbolic_operand result with enum constant.
13402         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
13403         (sh_expand_prologue): Add cast to enum type.
13404         (sh_expand_epilogue): Likewise.
13405         (tls_symbolic_operand): Change return type to enum tls_model.
13406         (fpscr_set_from_mem): Add cast to enum type.
13407         (legitimize_pic_address): Compare tls_symbolic_operand result with
13408         enum constant.
13409         (sh_target_reg_class): Change return type to enum reg_class.
13410         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
13411         PROCESSOR_xxx.
13412         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
13413         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
13414         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
13415         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
13416         (delayed_branch, tls_call_delay): Likewise.
13417         (eligible_for_sibcall_delay): Likewise.
13418         (eligible_for_return_delay): Likewise.
13419         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
13420         (spu_expand_builtin_1): Likewise.
13421
13422         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
13423         for all types of conversions.
13424         (output_init_element): Issue -Wc++-compat warning if needed when
13425         initializing a bitfield with enum type.
13426         * c-parser.c (c_parser_expression): Set original_type to
13427         original_type of right hand operand of comma operator.
13428
13429 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13430
13431         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
13432         grammar nits.
13433         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
13434         * doc/cpp.texi (Standard Predefined Macros)
13435         (Implementation-defined behavior): Likewise.
13436         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
13437         * doc/gimple.texi (GIMPLE Exception Handling)
13438         (@code{GIMPLE_ASSIGN}): Likewise.
13439         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
13440         * doc/invoke.texi (Warning Options, Optimize Options)
13441         (AVR Options, Darwin Options): Likewise.
13442         (Optimize Options): Reformulate -fwhole-program description.
13443         * doc/loop.texi (Lambda): Likewise.
13444         * doc/md.texi (Output Template, Define Constraints)
13445         (Standard Names, Insn Splitting): Likewise.
13446         * doc/options.texi (Option properties): Likewise.
13447         * doc/passes.texi (Tree-SSA passes): Likewise.
13448         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
13449         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
13450         (File Names and DBX): Likewise.
13451         * doc/trouble.texi (Incompatibilities): Likewise.
13452
13453 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
13454
13455         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
13456         instruction is correct.
13457
13458 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
13459
13460         Allow non-constant arguments to conversion intrinsics.
13461         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
13462         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
13463         * spu.c (print_operand): Handle 'v' and 'w'.
13464         (exp2_immediate_p, spu_gen_exp2): Define.
13465         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
13466         spu_convtf_1): Update parameter descriptions.
13467         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
13468         * constraints.md ('v', 'w'): New.
13469         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
13470         Remove.
13471         (i2f, I2F): New define_mode_attr.
13472         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
13473         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
13474         fixuns_truncv4sfv4si2):  Update to use mode attribute.
13475         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
13476         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
13477         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
13478         patterns for combine.
13479
13480 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
13481
13482         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
13483         (cprop, hoist, pre, store_motion): New debug counters.
13484         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
13485         is not an RTL pass anymore.
13486         (pass_profiling): Remove extern decl for pass removed in 2005.
13487         (pass_gcse, pass_jump_bypass): Remove.
13488         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
13489         to 0 for clean state.
13490         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
13491         * cse.c (gate_handle_cse_after_global_opts,
13492         rest_of_handle_cse_after_global_opts): New functions.
13493         (pass_cse_after_global_opts): New pass, does local CSE.
13494         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
13495         (TV_CPROP): New timevar.
13496         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
13497         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
13498         (gcse_main, recompute_all_luids): Remove.
13499         (compute_hash_table_work): Call max_reg_num instead of reading
13500         max_gcse_regno.
13501         (cprop_jump): Don't set run_jump_opt_after_gcse.
13502         (constprop_register): Always allow to alter jumps.
13503         (cprop_insn): Likewise.
13504         (do_local_cprop): Likewise.
13505         (local_cprop_pass): Likewise.  Return non-zero if something changed.
13506         (cprop): Remove function, fold interesting bits into one_cprop_pass.
13507         (find_implicit_sets): Add note about missed optimization opportunity.
13508         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
13509         pass_rtl_cprop execute function.
13510         Don't bother tracking the pass number, each pass gets its own dumpfile
13511         now anyway.
13512         Always allow to alter jumpsand bypass jumps.
13513         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
13514         will just find no suitable set.
13515         (pre_edge_insert): Fix dumping, this function is for PRE only.
13516         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
13517         pass_rtl_pre execute function.
13518         (hoist_code): Return non-zero if something changed.  Keep track of
13519         substitutions and insertions for statistics gathering similar to PRE.
13520         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
13521         called from the pass_rtl_hoist execute function.  Show pass statistics.
13522         (compute_store_table): Use max_reg_num directly instead of using the
13523         formerly global max_gcse_regno.
13524         (build_store_vectors): Likewise.
13525         (replace_store_insn): Fix dumping.
13526         (store_motion): Rename to ...
13527         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
13528         pass, called from the pass_rtl_store_motion execute function.  Keep
13529         track of substitutions and insertions for statistics gathering similar
13530         to PRE.
13531         (bypass_jumps): Remove, fold interesting bits into ...
13532         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
13533         from the pass_rtl_cprop execute function.
13534         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
13535         pass_jump_bypass): Remove.
13536         (gate_handle_gcse, rest_of_handle_gcse): Remove.
13537         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
13538         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
13539         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
13540         (gate_rtl_store_motion, execute_rtl_store_motion,
13541         pass_rtl_store_motion): New.
13542         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
13543         make it clear that -fcse-skip-blocks is a no-op for backward compat.
13544         * passes.c (init_optimization_passes): Remove pass_gcse and
13545         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
13546         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
13547         instead of pass_jump_bypass.
13548
13549 2009-04-27  Richard Guenther  <rguenther@suse.de>
13550
13551         PR middle-end/39928
13552         * gimplify.c (gimplify_expr): If we are required to create
13553         a temporary make sure it ends up as register.
13554
13555 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
13556
13557         PR target/39903
13558         * config/i386/i386.c (construct_container): Don't call
13559         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
13560         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
13561
13562 2009-04-27  Michael Matz  <matz@suse.de>
13563
13564         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
13565         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
13566         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
13567         (dump_replaceable_exprs): Take a bitmap.
13568         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
13569         array.
13570         (expand_gimple_basic_block): Likewise.
13571         * tree-ssa-ter.c (struct temp_expr_table_d): Make
13572         replaceable_expressions member a bitmap.
13573         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
13574         (mark_replaceable): Likewise.
13575         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
13576         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
13577
13578 2009-04-27  Richard Guenther  <rguenther@suse.de>
13579
13580         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
13581         (verify_stmts): Dispatch to gimple/type verification code.
13582         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
13583         issue with call argument types.
13584
13585 2009-04-27  Michael Matz  <matz@suse.de>
13586
13587         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
13588         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
13589         to above.
13590
13591 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
13592             Eric Botcazou  <ebotcazou@adacore.com>
13593
13594         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
13595         a label's basic block.
13596         (mark_target_live_regs): Tidy and rework obsolete comments.
13597         Change back DF problem to LIVE.  If a label starts a basic block,
13598         assume that all registers that used to be live then still are.
13599         (init_resource_info): If a label starts a basic block, set its
13600         BLOCK_FOR_INSN accordingly.
13601         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
13602
13603 2009-04-27  Richard Guenther  <rguenther@suse.de>
13604
13605         * tree-flow-inline.h (function_ann): Remove.
13606         (get_function_ann): Likewise.
13607         * tree-dfa.c (create_function_ann): Remove.
13608         * tree-flow.h (struct static_var_ann_d): Remove.
13609         (struct function_ann_d): Likewise.
13610         (union tree_ann_d): Remove fdecl member.
13611         (function_ann_t): Remove.
13612         (function_ann, get_function_ann, create_function_ann): Remove
13613         declarations.
13614
13615 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
13616
13617         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
13618
13619 2009-04-27  Jan Hubicka  <jh@suse.cz>
13620
13621         * ipa-pure-const.c (struct funct_state_d): New fields
13622         state_previously_known, looping_previously_known; remove
13623         state_set_in_source.
13624         (analyze_function): Use new fields.
13625         (propagate): Avoid assumption that state_set_in_source imply
13626         nonlooping.
13627
13628         * tree-ssa-loop-niter.c (finite_loop_p): New function.
13629         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
13630         * cfgloop.h (finite_loop_p): Declare.
13631
13632 2009-04-26  Michael Matz  <matz@suse.de>
13633
13634         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
13635
13636 2009-04-26  Michael Matz  <matz@suse.de>
13637
13638         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
13639         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
13640         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
13641         pass_mark_used_blocks): Remove.
13642         * tree-optimize.c (pass_free_datastructures,
13643         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
13644         * passes.c (init_optimization_passes): Don't call
13645         pass_mark_used_blocks, remove dead code.
13646
13647 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
13648
13649         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
13650         * tree-ssa-live.h (register_ssa_partition): Likewise.
13651
13652 2009-04-26  Michael Matz  <matz@suse.de>
13653
13654         Expand from SSA.
13655         * builtins.c (fold_builtin_next_arg): Handle SSA names.
13656         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
13657         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
13658         SSA names.
13659         (compare_pairs): Swap cost comparison.
13660         (coalesce_ssa_name): Don't use change_partition_var.
13661         * tree-nrv.c (struct nrv_data): Add modified member.
13662         (finalize_nrv_r): Set it.
13663         (tree_nrv): Use it to update statements.
13664         (pass_nrv): Require PROP_ssa.
13665         * tree-mudflap.c (mf_decl_cache_locals,
13666         mf_build_check_statement_for): Use make_rename_temp.
13667         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
13668         * alias.c (find_base_decl): Handle SSA names.
13669         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
13670         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
13671         * rtl.h (set_reg_attrs_for_parm): Declare.
13672         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
13673         to "optimized", remove unused locals at finish.
13674         (execute_free_datastructures): Make global, call
13675         delete_tree_cfg_annotations.
13676         (execute_free_cfg_annotations): Don't call
13677         delete_tree_cfg_annotations.
13678
13679         * ssaexpand.h: New file.
13680         * expr.c (toplevel): Include ssaexpand.h.
13681         (expand_assignment): Handle SSA names the same as register variables.
13682         (expand_expr_real_1): Expand SSA names.
13683         * cfgexpand.c (toplevel): Include ssaexpand.h.
13684         (SA): New global variable.
13685         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
13686         (SSAVAR): New macro.
13687         (set_rtl): New helper function.
13688         (add_stack_var): Deal with SSA names, use set_rtl.
13689         (expand_one_stack_var_at): Likewise.
13690         (expand_one_stack_var): Deal with SSA names.
13691         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
13692         before unique numbers.
13693         (expand_stack_vars): Use set_rtl.
13694         (expand_one_var): Accept SSA names, add asserts for them, feed them
13695         to above subroutines.
13696         (expand_used_vars): Expand all partitions (without default defs),
13697         then only the local decls (ignoring those expanded already).
13698         (expand_gimple_cond): Remove edges when jumpif() expands an
13699         unconditional jump.
13700         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
13701         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
13702         SSA name.
13703         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
13704         members of SA; deal with PARM_DECL partitions here; expand
13705         all PHI nodes, free tree datastructures and SA.  Commit instructions
13706         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
13707         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
13708         info and statements at start, collect garbage at finish.
13709         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
13710         (VAR_ANN_PARTITION) Remove.
13711         (change_partition_var): Don't declare.
13712         (partition_to_var): Always return SSA names.
13713         (var_to_partition): Only accept SSA names.
13714         (register_ssa_partition): Only check argument.
13715         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
13716         member.
13717         (delete_var_map): Don't free it.
13718         (var_union): Only accept SSA names, simplify.
13719         (partition_view_init): Mark only useful SSA names as used.
13720         (partition_view_fini): Only deal with SSA names.
13721         (change_partition_var): Remove.
13722         (dump_var_map): Use ssa_name instead of partition_to_var member.
13723         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
13724         basic blocks.
13725         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
13726         (struct _elim_graph): New member const_dests; nodes member vector of
13727         ints.
13728         (set_location_for_edge): New static helper.
13729         (create_temp): Remove.
13730         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
13731         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
13732         (new_elim_graph): Allocate const_dests member.
13733         (clean_elim_graph): Truncate const_dests member.
13734         (delete_elim_graph): Free const_dests member.
13735         (elim_graph_size): Adapt to new type of nodes member.
13736         (elim_graph_add_node): Likewise.
13737         (eliminate_name): Likewise.
13738         (eliminate_build): Don't take basic block argument, deal only with
13739         partition numbers, not variables.
13740         (get_temp_reg): New static helper.
13741         (elim_create): Use it, deal with RTL temporaries instead of trees.
13742         (eliminate_phi): Adjust all calls to new signature.
13743         (assign_vars, replace_use_variable, replace_def_variable): Remove.
13744         (rewrite_trees): Only do checking.
13745         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
13746         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
13747         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
13748         contains_tree_r, MAX_STMTS_IN_LATCH,
13749         process_single_block_loop_latch, analyze_edges_for_bb,
13750         perform_edge_inserts): Remove.
13751         (expand_phi_nodes): New global function.
13752         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
13753         functions, initialize new parameter, remember partitions having a
13754         default def.
13755         (finish_out_of_ssa): New global function.
13756         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
13757         don't reset in_ssa_p here, don't disable TER when mudflap.
13758         (pass_del_ssa): Remove.
13759         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
13760         partition members.
13761         (execute_free_datastructures): Declare.
13762         * Makefile.in (SSAEXPAND_H): New variable.
13763         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
13764         * basic-block.h (commit_one_edge_insertion): Declare.
13765         * passes.c (init_optimization_passes): Move pass_nrv and
13766         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
13767         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
13768         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
13769         (redirect_branch_edge): Deal with super block when expanding, split
13770         out jump patching itself into ...
13771         (patch_jump_insn): ... here, new static helper.
13772
13773 2009-04-26  Michael Matz  <matz@suse.de>
13774
13775         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
13776         beyond num_ssa_names.
13777         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
13778         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
13779
13780 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
13781
13782         PR inline-asm/39543
13783         * fwprop.c (forward_propagate_asm): New function.
13784         (forward_propagate_and_simplify): Propagate also into __asm, if it
13785         doesn't increase the number of referenced registers.
13786
13787         PR c/39889
13788         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
13789
13790 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
13791
13792         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
13793         note_nonlocal_vla_type for nonlocal VLAs.
13794         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
13795         contains_remapped_vars, remap_vla_decls): New functions.
13796         (convert_nonlocal_reference_stmt): If not optimizing, call
13797         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
13798         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
13799         if it wasn't found in var_map.
13800         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
13801         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
13802         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
13803         declare_vars.
13804         * gimplify.c (nonlocal_vlas): New variable.
13805         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
13806         referenced VLAs.
13807         (gimplify_body): Create and destroy nonlocal_vlas.
13808
13809         * dwarf2out.c (loc_descr_plus_const): New function.
13810         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
13811         mem_loc_descriptor, loc_descriptor_from_tree_1,
13812         descr_info_loc, gen_variable_die): Use it.
13813
13814         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
13815         !TREE_STATIC VAR_DECLs.
13816         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
13817         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
13818         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
13819         DECL_BY_REFERENCE is valid.
13820         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
13821         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
13822         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
13823         Copy DECL_BY_REFERENCE.
13824         (struct nesting_copy_body_data): New type.
13825         (nesting_copy_decl): New function.
13826         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
13827         if they have variable length.
13828
13829 2009-04-26  Michael Matz  <matz@suse.de>
13830
13831         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
13832         mark new temporaries for renaming.
13833
13834 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
13835
13836         PR c/39581
13837         * c-decl.c (global_bindings_p): Return negative value.
13838         (c_variable_size): New.  Based on variable_size from
13839         stor-layout.c.
13840         (grokdeclarator): Call c_variable_size not variable_size.
13841
13842 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
13843
13844         * config/i386/i386.c (print_operand) ['z']: Fix typo.
13845
13846 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
13847
13848         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
13849         Redefine it to just use mingw/include.
13850         (ASM_SPEC): Rules for -m32 and -m64.
13851         (LINK_SPEC): Use Likewise.
13852         (SPEC_32): New define.
13853         (SPEC_64): Likewise.
13854         (SUB_LINK_SPEC): Likewise.
13855         (MULTILIB_DEFAULTS): New define.
13856         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
13857         Add multilib options.
13858         (MULTILIB_DIRNAMES): Likewise.
13859         (MULTILIB_OSDIRNAMES): Likewise.
13860         (LIBGCC): Likewise.
13861         (INSTALL_LIBGCC): Likewise.
13862
13863 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
13864
13865         PR c/39556
13866         * c-tree.h (enum c_inline_static_type): New.
13867         (record_inline_static): Declare.
13868         * c-decl.c (struct c_inline_static, c_inline_statics,
13869         record_inline_static, check_inline_statics): New.
13870         (pop_file_scope): Call check_inline_statics.
13871         (start_decl): Call record_inline_static instead of pedwarning
13872         directly for static in inline function.
13873         * c-typeck.c (build_external_ref): Call record_inline_static
13874         instead of pedwarning directly for static referenced in inline
13875         function.
13876
13877 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
13878
13879         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
13880         not new but only being rescanned.
13881         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
13882         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
13883         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
13884         record_set_info, compute_set, grealloc): Remove.
13885         (recompute_all_luids): New function.
13886         (gcse_main): Don't compute sets, and don't do related memory
13887         allocations/free-ing.  If something changed before the end of the
13888         pass, update LUIDs using recompute_all_luids.
13889         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
13890         (free_gcse_mem): Don't free it either.
13891         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
13892         Use the df insn LUIDs.
13893         (load_killed_in_block): Likewise.
13894         (compute_hash_table_work): Don't compute reg_set_in_block.
13895         (compute_transp): Use DF_REG_DEF_CHAINs.
13896         (local_cprop_pass): Don't use compute_sets and related functions.
13897         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
13898         Use get_max_uid() instead of max_cuid.
13899         (insert_insn_end_basic_block, pre_insert_copy_insn,
13900         update_ld_motion_stores): Don't try to
13901         keep reg_set tables up to date.
13902         (pre_insert_copies): Use df insn LUIDs.
13903         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
13904         (reg_set_info): Don't use extra bitmap argument.
13905         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
13906         information to compute regs_set_in_block.
13907         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
13908         (bypass_jumps): Don't use compute_sets and friends.
13909
13910 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13911
13912         PR testsuite/39710
13913         * opts.c (undocumented_msg): Do not leave blank even with
13914         ENABLE_CHECKING.
13915
13916 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
13917
13918         * c-decl.c (build_enumerator): Allow values folding to integer
13919         constants but not integer constant expressions with a pedwarn if
13920         pedantic.
13921
13922 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
13923
13924         PR c/39582
13925         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
13926         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
13927         type is an integer constant.
13928
13929 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
13930
13931         PR target/39897
13932         * config/i386/i386.c (print_operand) ['z']: Revert handling of
13933         HImode operands.
13934
13935 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
13936
13937         PR c/39564
13938         * c-decl.c (grokdeclarator): Diagnose declarations of functions
13939         with variably modified return type and no storage class
13940         specifiers, except for the case of nested functions.  Distinguish
13941         extern declarations of functions with variably modified return
13942         types from those of objects with variably modified types.
13943
13944 2009-04-25  Jan Hubicka  <jh@suse.cz>
13945
13946         * tree.c (list_equal_p): New function.
13947         * tree.h (list_equal_p): Declare.
13948         * coretypes.h (edge_def, edge, const_edge, basic_block_def
13949         basic_block_def, basic_block, const_basic_block): New.
13950         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
13951         (redirect_eh_edge): New function.
13952         (make_eh_edge_update_phi): EH edges are not abnormal.
13953         * except.c: Include tree-flow.h.
13954         (list_match): New function.
13955         (eh_region_replaceable_by_p): New function.
13956         (replace_region): New function.
13957         (hash_type_list): New function.
13958         (hash_eh_region): New function.
13959         (eh_regions_equal_p): New function.
13960         (merge_peers): New function.
13961         (remove_unreachable_regions): Verify EH tree when checking;
13962         merge peers.
13963         (copy_eh_region_1): New function.
13964         (copy_eh_region): New function.
13965         (push_reachable_handler): New function.
13966         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
13967         regions without label but with live RESX.
13968         * except.h (redirect_eh_edge_to_label): New.
13969         * tree-flow.h (redirect_eh_edge): New.
13970         * coretypes.h (edge_def, edge, const_edge, basic_block_def
13971         basic_block_def, basic_block, const_basic_block): Remove.
13972         * Makefile.in (except.o): Add dependency on tree-flow.h
13973         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
13974         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
13975         Remove.
13976
13977 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
13978
13979         PR bootstrap/39645
13980         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
13981         on the destination of memcpy.
13982
13983 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
13984
13985         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
13986         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
13987         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
13988
13989 2009-04-25  Jan Hubicka  <jh@suse.cz>
13990
13991         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
13992         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
13993         to be reached by different label than left.
13994         (update_eh_edges): Update comment; remove edge_to_remove if possible
13995         and return true if suceeded.
13996         (cleanup_empty_eh): Accept sharing map; handle shared regions.
13997         (cleanup_eh): Compute sharing map.
13998         * except.c (remove_eh_handler_and_replace): Add argument if we should
13999         update regions.
14000         (remove_unreachable_regions): Update for label sharing.
14001         (label_to_region_map): Likewise.
14002         (get_next_region_sharing_label): New function.
14003         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
14004         prev_try pointers.
14005         (remove_eh_handler): Update.
14006         (remove_eh_region_and_replace_by_outer_of): New function.
14007         * except.h (struct eh_region): Add next_region_sharing_label.
14008         (remove_eh_region_and_replace_by_outer_of,
14009         get_next_region_sharing_label): Declare.
14010         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
14011
14012 2009-04-25  Jan Hubicka  <jh@suse.cz>
14013
14014         * tree-cfg.c (split_critical_edges): Split also edges where we can't
14015         insert code even if they are not critical.
14016
14017 2009-04-25  Jan Hubicka  <jh@suse.cz>
14018
14019         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
14020         (gimple_can_remove_branch_p): EH edges won't remove branch by
14021         redirection.
14022         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
14023         updating of non-abnormal EH edges.
14024         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
14025         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
14026         (split_critical_edges): Split also edges where emitting code on them
14027         will lead to splitting later.
14028
14029 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
14030             H.J. Lu  <hongjiu.lu@intel.com>
14031
14032         PR target/39590
14033         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
14034         the configured assembler supports fildq and fistpq mnemonics.
14035         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
14036         * configure: Regenerated.
14037         * config.in: Ditto.
14038
14039         * config/i386/i386.c (print_operand): Handle 'Z'.
14040         ['z']: Remove handling of special fild/fist suffixes.
14041         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
14042         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
14043         suffix of fild insn.
14044         (*floatsi<mode>2_vector_mixed): Ditto.
14045         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
14046         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
14047         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
14048         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
14049         * config/i386/gas.h (GAS_MNEMONICS): Remove.
14050
14051 2009-04-25  Ben Elliston  <bje@au.ibm.com>
14052
14053         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
14054         the source of a set operation.
14055
14056 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
14057
14058         * target.h (struct gcc_target): Add case_values_threshold field.
14059         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
14060         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
14061         * targhooks.c (default_case_values_threshold): New function.
14062         * targhooks.h (default_case_values_threshold): Declare function.
14063         * stmt.c (expand_case): Use case_values_threshold target hook.
14064         * expr.h (case_values_threshold): Remove declartation.
14065         * expr.c (case_values_threshold): Remove function.
14066         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
14067
14068         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
14069         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
14070         (avr_case_values_threshold): Declare as static.
14071         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
14072
14073         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
14074         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
14075         (mn10300_case_values_threshold): New function.
14076
14077 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
14078
14079         * ira.c (setup_cover_and_important_classes): Add enum cast.
14080
14081 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
14082
14083         * genpreds.c (write_enum_constraint_num): Output definition of
14084         CONSTRAINT_NUM_DEFINED_P macro.
14085         * ira.c (setup_cover_and_important_classes): Use
14086         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
14087
14088 2009-04-24  DJ Delorie  <dj@redhat.com>
14089
14090         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
14091         __SH2A_SINGLE_ONLY__ also.
14092
14093 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
14094
14095         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
14096         (movdf_internal): Ditto.
14097         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
14098         SFmode and DFmode constants.
14099         (ia64_print_operand): Add 'G' format for printing
14100         floating point constants.
14101
14102 2009-04-24  Richard Guenther  <rguenther@suse.de>
14103
14104         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
14105         from unsigned additions.
14106
14107 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
14108
14109         * c-typeck.c (set_init_index): Allow array designators that are
14110         not integer constant expressions with a pedwarn if pedantic.
14111
14112 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
14113
14114         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
14115         zero if no overlap in nonzero bits between the operands.
14116
14117 2009-04-24  Ian Lance Taylor  <iant@google.com>
14118
14119         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
14120         (record_dead_and_set_regs): Likewise.
14121         * df.h (struct df_mw_hardreg): Change flags field to int.
14122         (struct df_base_ref): Likewise.
14123         (struct df): Change changeable_flags field to int.
14124         * df-scan.c (df_defs_record): Change clobber_flags to int.
14125         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
14126         constants rather than #define macros.
14127         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
14128         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
14129         (enum dwarf_calling_convention): Likewise.
14130         (enum dwarf_line_number_x_ops): Likewise.
14131         (enum dwarf_call_frame_info): Likewise.
14132         (enum dwarf_source_language): Likewise.
14133         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
14134         (add_calling_convention_attribute): Likewise.
14135         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
14136         (combine_comparisons): Change compcode to int.  Add cast to enum type.
14137         * genrecog.c (maybe_both_true_2): Change c to int.
14138         (write_switch): Likewise.  Add cast to enum type.
14139         * gimplify.c (gimplify_omp_for): Handle return values from
14140         gimplify_expr using MIN rather than bitwise or.
14141         (gimplify_expr): Add cast to enum type.
14142         * ipa-prop.c (update_jump_functions_after_inlining): Change
14143         IPA_BOTTOM to IPA_JF_UNKNOWN.
14144         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
14145         Add casts to enum type.
14146         (setup_cover_and_important_classes): Change cl to int.  Add casts
14147         to enum type.
14148         (setup_class_translate): Change cl and mode to int.
14149         (ira_init_once): Change mode to int.
14150         (free_register_move_costs): Likewise.
14151         (setup_prohibited_mode_move_regs): Add casts to enum type.
14152         * langhooks.c (add_builtin_function_common): Rework assertion that
14153         value fits bitfield.
14154         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
14155         * omega.c (omega_do_elimination): Avoid math on enum types.
14156         * optabs.c (expand_vec_shift_expr): Remove casts to int.
14157         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
14158         int local to handle integral_argment value.
14159         * regmove.c (try_auto_increment): Change PUT_MODE to
14160         PUT_REG_NOTE_KIND.
14161         * reload.c (push_secondary_reload): Add casts to enum type.
14162         (secondary_reload_class, find_valid_class): Likewise.
14163         * reload1.c (emit_input_reload_insns): Likewise.
14164         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
14165         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
14166         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
14167         constant.
14168         * tree.c (build_common_builtin_nodes): Add casts to enum type.
14169         * tree-complex.c (complex_lattice_t): Typedef to int rather than
14170         enum type.
14171         (expand_complex_libcall): Add casts to enum type.
14172         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
14173         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
14174         with ERROR_MARK, not NUM_TREE_CODES.
14175         (vect_create_epilog_for_reduction): Likewise.
14176         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
14177         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
14178         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
14179         enum machine_mode.
14180         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
14181         vect_unused_in_loop.  Change 0 to loop_vect.
14182         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
14183         * var-tracking.c (get_init_value): Change return type to enum
14184         var_init_status.
14185         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
14186         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
14187         arm_fp_model.
14188         (arm_override_options): Add casts to enum type.
14189         (arm_emit_tls_decoration): Likewise.
14190         * config/i386/i386.c (ix86_function_specific_restore): Add casts
14191         to enum type.
14192         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
14193         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
14194         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
14195         enum type.
14196         * config/s390/s390.c (code_for_builtin_64): Change to array of
14197         enum insn_code.
14198         (code_for_builtin_31): Likewise.
14199         (s390_expand_builtin): Change code_for_builtin to enum insn_code
14200         const *.
14201         * config/sparc/sparc.c (sparc_override_options): Change value
14202         field in struct code_model to enum cmodel.  In initializer change
14203         0 to NULL and add cast to enum type.
14204
14205         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
14206         Change all callers.  Issue a -Wc++-compat warning using
14207         lhs_origtype if necessary.
14208         (convert_for_assignment): Issue -Wc++-compat warnings about
14209         invalid conversions to enum type on assignment.
14210         * c-common.h (build_modify_expr): Update declaration.
14211
14212 2009-04-24  Nick Clifton  <nickc@redhat.com>
14213
14214         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
14215         (function_arg_advance): Likewise.
14216         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
14217         5th alternative.
14218
14219 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
14220
14221         * config/s390/constraints.md ('I', 'J'): Fix condition.
14222
14223 2009-04-24  Diego Novillo  <dnovillo@google.com>
14224
14225         * gengtype-parse.c (parse_error): Add newline after message.
14226
14227 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
14228
14229         * config/i386/sse.md (avxmodesuffixs): Removed.
14230         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
14231         (*avx_pinsr<ssevecsize>): This.
14232
14233 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
14234
14235         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
14236         follow chains of regs with a single definition, and allow expressions
14237         that are function_invariant_p.
14238         (simple_rhs_p): Allow expressions that are function_invariant_p.
14239
14240 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
14241
14242         PR middle-end/39867
14243         * fold-const.c (fold_cond_expr_with_comparison): When folding
14244         > and >= to MAX, make sure the MAX uses the same type as the
14245         comparison's operands.
14246
14247 2009-04-24  Nick Clifton  <nickc@redhat.com>
14248
14249         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
14250         addressing for DImode accesses.
14251         (frv_print_operand_address): Handle PLUS case.
14252         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
14253
14254 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
14255
14256         PR rtl-optimization/39794
14257         * alias.c (canon_true_dependence): Add x_addr argument.
14258         * rtl.h (canon_true_dependence): Adjust prototype.
14259         * cse.c (check_dependence): Adjust canon_true_dependence callers.
14260         * cselib.c (cselib_invalidate_mem): Likewise.
14261         * gcse.c (compute_transp): Likewise.
14262         * dse.c (scan_reads_nospill): Likewise.
14263         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
14264         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
14265         canon_base_addr of the group, plus optional offset.
14266         (struct group_info): Rename canon_base_mem to
14267         canon_base_addr.
14268         (get_group_info): Set canon_base_addr to canon_rtx of base, not
14269         canon_rtx of base_mem.
14270
14271 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
14272
14273         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
14274         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
14275
14276 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
14277
14278         * config/spu/spu-builtins.h: Delete file.
14279
14280         * config/spu/spu.h (enum spu_builtin_type): Move here from
14281         spu-builtins.h.
14282         (struct spu_builtin_description): Likewise.  Add GTY marker.
14283         Do not use enum spu_function_code or enum insn_code.
14284         (spu_builtins): Add extern declaration.
14285
14286         * config/spu/spu.c: Do not include "spu-builtins.h".
14287         (enum spu_function_code, enum spu_builtin_type_index,
14288         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
14289         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
14290         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
14291         unsigned_V2DI_type_node): Move here from spu-builtins.h.
14292         (spu_builtin_types): Make static.  Add GTY marker.
14293         (spu_builtins): Add extern declaration with GTY marker.
14294         Include "gt-spu.h".
14295
14296         * config/spu/spu-c.c: Do not include "spu-builtins.h".
14297         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
14298         Check programmatically whether all parameters are scalar.
14299
14300         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
14301
14302 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
14303
14304         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
14305         assignment from the constructor either if the target is volatile.
14306
14307 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
14308
14309         * config/arm/arm.md (insv): Do not share operands[0].
14310
14311 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
14312
14313         * config/vxlib-tls.c (active_tls_threads): Delete.
14314         (delete_hook_installed): New.
14315         (tls_delete_hook): Don't delete the delete hook.
14316         (tls_destructor): Delete it here.
14317         (__gthread_set_specific): Adjust installing the delete hook.
14318         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
14319         __gthread_leave_tsd_dtor_context.
14320
14321 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
14322
14323         * c-format.c (gcc_tdiag_char_table): Add support for %E.
14324
14325 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
14326
14327         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
14328         enum type.
14329         (alpha_rtx_costs): Ditto.
14330         (emit_unlikely_jump): Use add_reg_note.
14331         (emit_frame_store_1): Ditto.
14332         (alpha_expand_prologue): Ditto.
14333         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
14334         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
14335
14336 2009-04-23  Nick Clifton  <nickc@redhat.com>
14337
14338         * config/v850/v850.md (epilogue): Remove suppressed code.
14339         (return): Rename to return_simple and remove test of frame size.
14340         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
14341         to gen_return_simple.
14342
14343 2009-04-22  Jing Yu  <jingyu@google.com>
14344
14345         PR testsuite/39781
14346         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
14347
14348 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14349
14350         PR C/31499
14351         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
14352         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
14353         value is a VECTOR_CST, the element type is the element type of the
14354         vector.
14355
14356 2009-04-22  DJ Delorie  <dj@redhat.com>
14357
14358         * config/m32c/m32c.h: Update GTY annotations to new syntax.
14359
14360 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
14361
14362         * alias.c (find_base_term): Move around LO_SUM case, so that
14363         CONST falls through into PLUS/MINUS handling.
14364
14365         PR c/39855
14366         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
14367         into 0, use omit_one_operand.
14368
14369 2009-04-23  Ben Elliston  <bje@au.ibm.com>
14370
14371         * config/rs6000/linux-unwind.h (get_regs): Remove type
14372         puns. Change the type of `pc' to an array of unsigned ints and
14373         update all users.  Constify frame24.
14374
14375 2009-04-22  DJ Delorie  <dj@redhat.com>
14376
14377         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
14378         declarations before code.
14379         (current_function_special_page_vector): Likewise.
14380         (m32c_expand_insv): Silence a warning.
14381
14382 2009-04-21  Taras Glek  <tglek@mozilla.com>
14383
14384         * alias.c: Update GTY annotations to new syntax.
14385         * basic-block.h: Likewise.
14386         * bitmap.h: Likewise.
14387         * c-common.h: Likewise.
14388         * c-decl.c: Likewise.
14389         * c-parser.c: Likewise.
14390         * c-pragma.c: Likewise.
14391         * c-tree.h: Likewise.
14392         * cfgloop.h: Likewise.
14393         * cgraph.h: Likewise.
14394         * config/alpha/alpha.c: Likewise.
14395         * config/arm/arm.h: Likewise.
14396         * config/avr/avr.h: Likewise.
14397         * config/bfin/bfin.c: Likewise.
14398         * config/cris/cris.c: Likewise.
14399         * config/darwin.c: Likewise.
14400         * config/frv/frv.c: Likewise.
14401         * config/i386/i386.c: Likewise.
14402         * config/i386/i386.h: Likewise.
14403         * config/i386/winnt.c: Likewise.
14404         * config/ia64/ia64.h: Likewise.
14405         * config/iq2000/iq2000.c: Likewise.
14406         * config/mips/mips.c: Likewise.
14407         * config/mmix/mmix.h: Likewise.
14408         * config/pa/pa.c: Likewise.
14409         * config/pa/pa.h: Likewise.
14410         * config/rs6000/rs6000.c: Likewise.
14411         * config/s390/s390.c: Likewise.
14412         * config/sparc/sparc.c: Likewise.
14413         * config/xtensa/xtensa.c: Likewise.
14414         * cselib.h: Likewise.
14415         * dbxout.c: Likewise.
14416         * dwarf2out.c: Likewise.
14417         * except.c: Likewise.
14418         * except.h: Likewise.
14419         * fixed-value.h: Likewise.
14420         * function.c: Likewise.
14421         * function.h: Likewise.
14422         * gimple.h: Likewise.
14423         * integrate.c: Likewise.
14424         * optabs.c: Likewise.
14425         * output.h: Likewise.
14426         * real.h: Likewise.
14427         * rtl.h: Likewise.
14428         * stringpool.c: Likewise.
14429         * tree-data-ref.c: Likewise.
14430         * tree-flow.h: Likewise.
14431         * tree-scalar-evolution.c: Likewise.
14432         * tree-ssa-address.c: Likewise.
14433         * tree-ssa-alias.h: Likewise.
14434         * tree-ssa-operands.h: Likewise.
14435         * tree.c: Likewise.
14436         * tree.h: Likewise.
14437         * varasm.c: Likewise.
14438         * varray.h: Likewise.
14439         * vec.h: Likewise.
14440         * coretypes.h: Do not define GTY macro if it is already defined.
14441         * doc/gty.texi: Update GTY documentation to new syntax.
14442         * gengtype-lex.l: Enforce attribute-like syntax for GTY
14443         annotations on structs.
14444         * gengtype-parse.c: Likewise.
14445
14446 2009-04-22  Mark Heffernan  <meheff@google.com>
14447
14448         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
14449
14450 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
14451
14452         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
14453         where appropriate.
14454
14455 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
14456
14457         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
14458         the same as a PLUS without a shift.  Increase the cost of a
14459         CONST_INT in MULT.
14460
14461 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14462
14463         * Makefile.in: Update dependencies.
14464         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
14465         * errors.h: Remove bogus comment about compatibility.
14466         (warning): Update declaration.
14467         * genautomata.c: Update all calls to warning.
14468         * gimple.c: Do not include errors.h. Include toplev.h.
14469         * tree-ssa-structalias.c: Do not include errors.h.
14470         * omega.c: Likewise.
14471         * tree-ssa-reassoc.c: Likewise.
14472         * config/spu/spu-c.c: Likewise.
14473         * config/spu/t-spu-elf: Update dependencies.
14474
14475 2009-04-22  Richard Guenther  <rguenther@suse.de>
14476
14477         PR tree-optimization/39824
14478         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
14479         make sure the types are compatible.
14480
14481 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14482
14483         PR c++/14875
14484         * c-common.c (c_parse_error): Take a token_flags parameter.
14485         Use token_type for the token type instead.
14486         Pass token_flags to cpp_type2name.
14487         * c-common.h (c_parse_error): Update declaration.
14488         * c-parser.c (c_parser_error): Pass 0 as token flags.
14489
14490 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
14491
14492         PR rtl-optimization/39580
14493         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.
14494
14495 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
14496
14497         * function.c (expand_function_end): Do not emit a jump to the "naked"
14498         return label for fall-through returns.
14499         * except.c (sjlj_emit_function_exit): Always place the call to the
14500         unregister function at the location installed by expand_function_end.
14501
14502 2009-04-22  Richard Guenther  <rguenther@suse.de>
14503
14504         PR tree-optimization/39845
14505         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
14506         (gen_inbound_check): Likewise.
14507
14508 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
14509
14510         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
14511         padding for PPC.
14512         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
14513         * config/vxlib.c (__gthread_once): Add race guard for PPC.
14514
14515 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
14516
14517         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
14518         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
14519         shift counts to avoid out-of-bounds array accesses.
14520
14521 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
14522
14523         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
14524         (Pmode): Move above.
14525
14526 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
14527
14528         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
14529         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
14530         GET_CODE macro.  Use IN_RANGE macro where appropriate.
14531         * config/alpha/alpha.h: Ditto.
14532         * config/alpha/alpha.md: Ditto.
14533         * config/alpha/constraints.md: Ditto.
14534         * config/alpha/predicates.md: Ditto.
14535
14536 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
14537
14538         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
14539         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14540         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14541         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14542         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14543         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14544         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14545         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14546         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14547         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14548         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14549         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14550         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14551         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14552         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14553         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14554         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14555         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14556         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14557         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14558         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14559         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14560         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14561         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14562         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14563         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14564         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14565
14566 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
14567
14568         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
14569         references from comments.
14570         * cfgbuild.c: (count_basic_blocks): Delete.
14571         (find_basic_blocks_1): Delete.
14572         (find_basic_blocks): Delete.
14573         * except.c (finish_eh_generation): Make static.  Move comment from
14574         except.h here.  Remove find_basic_blocks references from comments.
14575         * except.h (finish_eh_generation): Delete.
14576         * basic-block.h (find_basic_blocks): Delete.
14577         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
14578
14579 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
14580
14581         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
14582         (sdbout_parms):  Likewise.
14583
14584 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
14585
14586         * config/sh/sh.c (prepare_cbranch_operands): Use
14587         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
14588         (expand_cbranchdi4): Likewise.
14589         (from_compare): Add cast to enum type.
14590         (expand_cbranchsi4): Use add_reg_note.
14591         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
14592         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
14593         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
14594         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
14595         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
14596         instead of CODE_FOR_nothing.
14597         (cbranchdi4): Likewise.  Fix the order of arguments for
14598         gen_rtx_fmt_ee.
14599         (push_fpscr): Use add_reg_note.
14600         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
14601         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
14602
14603 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
14604
14605         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
14606         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
14607         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
14608         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
14609         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
14610         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
14611         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
14612         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
14613         config/alpha/x-vms, config/arc/t-arc,
14614         config/arm/README-interworking, config/arm/arm-c.c,
14615         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
14616         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
14617         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
14618         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
14619         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
14620         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
14621         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
14622         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
14623         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
14624         config/cris/t-elfmulti, config/crx/t-crx,
14625         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
14626         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
14627         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
14628         config/h8300/t-h8300, config/i386/athlon.md,
14629         config/i386/darwin-libgcc.10.4.ver,
14630         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
14631         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
14632         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
14633         config/i386/t-linux64, config/i386/t-nwld,
14634         config/i386/t-rtems-i386, config/i386/t-sol2-10,
14635         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
14636         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
14637         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
14638         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
14639         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
14640         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
14641         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
14642         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
14643         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
14644         config/m68k/t-uclinux, config/mcore/t-mcore,
14645         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
14646         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
14647         config/mips/crtn.asm, config/mips/irix-crti.asm,
14648         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
14649         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
14650         config/mips/mips-fixed.md, config/mips/sb1.md,
14651         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
14652         config/mips/t-iris6, config/mips/t-isa3264,
14653         config/mips/t-libgcc-mips16, config/mips/t-linux64,
14654         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
14655         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
14656         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
14657         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
14658         config/mn10300/t-linux, config/mn10300/t-mn10300,
14659         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
14660         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
14661         config/picochip/libgccExtras/clzsi2.asm,
14662         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
14663         config/rs6000/darwin-libgcc.10.4.ver,
14664         config/rs6000/darwin-libgcc.10.5.ver,
14665         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
14666         config/rs6000/t-aix43, config/rs6000/t-aix52,
14667         config/rs6000/t-darwin, config/rs6000/t-fprules,
14668         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
14669         config/rs6000/t-lynx, config/rs6000/t-netbsd,
14670         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
14671         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
14672         config/rs6000/t-rtems, config/rs6000/t-spe,
14673         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
14674         config/score/t-score-elf, config/sh/divcost-analysis,
14675         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
14676         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
14677         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
14678         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
14679         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
14680         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
14681         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
14682         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
14683         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
14684         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
14685         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
14686         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
14687         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
14688         limitx.h, version.c, xcoff.h: Add copyright and license notices.
14689         * config/h8300/genmova.sh: Include copyright and license notices
14690         in generated output.
14691         * config/h8300/mova.md: Regenerate.
14692         * doc/install.texi2html: Include word "Copyright" in copyright
14693         notice and use name "Free Software Foundation, Inc.".
14694         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
14695         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
14696         ChangeLog-2007, ChangeLog-2008: Correct dates.
14697
14698 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
14699
14700         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
14701         NE_EXPR operations as well.
14702         * c-parser.c (c_parser_condition): Do not set location information on
14703         the condition.
14704         (c_parser_conditional_expression): Likewise.
14705         (c_parser_binary_expression): Set location information on operators.
14706         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
14707         TRUTH_NOT_EXPR has been folded.
14708         * fold-const.c (fold_truth_not_expr): Copy location information from
14709         the incoming expression to the outgoing one.
14710         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
14711         recursive calls on the LHS of the operator but pass that of the
14712         operator to recursive calls on the RHS of the operator.  Set it
14713         on the COND_EXPR.
14714         (shortcut_cond_expr): Set the locus of the operator on the second
14715         COND_EXPR and that of the expression on the first in degenerate cases.
14716         Pass the locus of the expression to calls to shortcut_cond_r.
14717         Set the locus of the 'then' block on the associated jump, if any.
14718         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
14719         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
14720         expression to call to gimplify_boolean_expr.
14721
14722 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
14723
14724         * config.gcc: Add additional configuration for
14725         i686-w64-mingw* and x86_64-w64-mingw* triplet.
14726         * config/i386/mingw-w64.h: New mingw-w64 specific header.
14727         (CPP_SPEC): Redefine for allowing -municode option.
14728         (STARTFILE_SPEC): Likewise.
14729         * config/i386/t-mingw-w64: New.
14730         * config/i386/mingw-w64.opt: New.
14731         (municode): Add new target option.
14732         * doc/invoke.texi (municode): Add documentation for new option.
14733
14734 2009-04-21  Ian Lance Taylor  <iant@google.com>
14735
14736         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
14737         Correct test for number of arguments.
14738         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
14739
14740 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
14741
14742         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
14743         argument of emit_library_call.
14744
14745 2009-04-21  Richard Guenther  <rguenther@suse.de>
14746
14747         PR middle-end/39829
14748         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
14749         inside VIEW_CONVERT_EXPRs.
14750
14751 2009-04-21  Martin Jambor  <mjambor@suse.cz>
14752
14753         * tree-switch-conversion.c (build_constructors): Split a long line.
14754         (constructor_contains_same_values_p): New function.
14755         (build_one_array): Create assigns of constants if possible, do not
14756         call mark_sym_for_renaming, call update_stmt.
14757         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
14758         make_rename_temp.  Do not call mark_symbols_for_renaming, call
14759         update_stmt.
14760         (gen_def_assigns): Do not call mark_symbols_for_renaming or
14761         find_new_referenced_vars, call update_stmt.
14762         (gen_inbound_check): Use create_tmp_var and create ssa names manually
14763         instead of calling make_rename_temp.  Do not call
14764         find_new_referenced_vars or mark_symbols_for_renaming, call
14765         update_stmt.
14766
14767 2009-04-21  Richard Guenther  <rguenther@suse.de>
14768
14769         PR tree-optimization/39827
14770         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
14771         (tree_ssa_phiprop): Pass the correct array size.
14772
14773 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
14774
14775         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
14776
14777 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
14778
14779         PR 16202
14780         * c-typeck.c (lvalue_p): Move declaration ...
14781         * c-common.h (lvalue_p): ... to here.
14782         * c-common.c (candidate_equal_p): New.
14783         (add_tlist): Use it.
14784         (merge_tlist): Use it.
14785         (warn_for_collisions_1): Likewise.
14786         (warning_candidate_p): Accept more candidates.
14787         (verify_tree): A warning candidate can be an expression. Use
14788         candidate_equal_p.
14789
14790 2009-04-21  Ben Elliston  <bje@au.ibm.com>
14791
14792         PR target/5267
14793         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
14794         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
14795         options.  Remove -mcall-solaris documentation.
14796
14797 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14798
14799         PR c++/13358
14800         * doc/invoke.texi (-Wlong-long): Update description.
14801         * c-lex (interpret_integer): Only warn if there was no previous
14802         overflow and -Wlong-long is enabled.
14803         * c-decl.c (declspecs_add_type): Drop redundant flags.
14804         * c.opt (Wlong-long): Init to -1.
14805         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
14806         and front-end warn_long_long. Wlong-long only depends on other
14807         flags if it is uninitialized.
14808         * c-parser.c (disable_extension_diagnostics): warn_long_long is
14809         the same for CPP and FE.
14810         (restore_extension_diagnostics): Likewise.
14811
14812 2009-04-20  Ian Lance Taylor  <iant@google.com>
14813
14814         Fix enum conversions which are invalid in C++:
14815         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
14816         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
14817         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
14818         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
14819         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
14820         (dbxout_parms): Likewise.
14821         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
14822         (df_clear_flags): Likewise.
14823         * df-problems.c (df_rd_bb_local_compute_process_def): Change
14824         top_flag parameter to int.
14825         (df_chain_create_bb_process_use): Likewise.
14826         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
14827         Remove cast.
14828         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
14829         (df_ref_create_structure, df_def_record_1): Likewise.
14830         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
14831         (df_notes_rescan): Change 0 to VOIDmode in function call.
14832         (df_get_call_refs, df_insn_refs_collect): Likewise.
14833         (df_bb_regs_collect): Likewise.
14834         (df_entry_block_defs_collect): Likewise.
14835         (df_exit_block_uses_collect): Likewise.
14836         * df.h: Update declarations.
14837         * double-int.c (double_int_divmod): Add cast to enum type.
14838         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
14839         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
14840         (based_loc_descr): Likewise.
14841         (loc_descriptor_from_tree_1): Change first_op and second_op to
14842         enum dwarf_location_atom.  Add cast to enum type.
14843         * expmed.c (init_expmed): Change 0 to SET in function call.
14844         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
14845         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
14846         (do_store_flag): Likewise.
14847         * fixed-value.h (struct fixed_value): Change mode to enum
14848         machine_mode.
14849         * function.c (assign_parms): Change 0 to VOIDmode in function call.
14850         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
14851         function call.
14852         (insert_insn_decl, insert_decl, insert_state): Likewise.
14853         (automata_list_finish): Likewise.
14854         * genrecog.c (process_define_predicate): Add cast to enum type.
14855         * gensupport.c (init_predicate_table): Add cast to enum type.
14856         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
14857         function call.
14858         (gimple_build_call_1, gimple_build_label): Likewise.
14859         (gimple_build_goto, gimple_build_asm_1): Likewise.
14860         (gimple_build_switch_1, gimple_build_cdt): Likewise.
14861         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
14862         (enum fallback): Rename from enum fallback_t.
14863         (fallback_t): Typedef as int.
14864         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
14865         GSI_SAME_STMT in function call.
14866         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
14867         enum type.
14868         (setup_reg_class_relations): Likewise.
14869         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
14870         (setup_prohibited_class_mode_regs): Add cast to enum type.
14871         (setup_prohibited_mode_move_regs): Likewise.
14872         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
14873         (record_address_regs): Change i to enum reg_class.
14874         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
14875         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
14876         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
14877         (GET_MODE_2XWIDER_MODE): Likewise.
14878         (GET_CLASS_NARROWEST_MODE): Likewise.
14879         * omp-low.c (expand_omp_for): Add cast to enum type.
14880         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
14881         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
14882         * postreload.c (reload_cse_simplify_operands): Change rclass local
14883         to enum reg_class.
14884         * predict.c (combine_predictions_for_insn): Change best_predictor
14885         and predictor to enum br_predictor.
14886         (combine_predictions_for_bb): Likewise.
14887         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
14888         use SET_PREDICT_EXPR_OUTCOME.
14889         * real.c (real_arithmetic): Change icode to code in function call.
14890         * reginfo.c (init_move_cost): Add casts to enum type.
14891         (init_reg_sets_1, init_fake_stack_mems): Likewise.
14892         * regmove.c (regclass_compatible_p): Change class0 and class1 to
14893         enum reg_class.
14894         * reload.c (find_valid_class): Add casts to enum type.
14895         (push_reload): Change 0 to NO_REGS in function call.
14896         (find_reloads): Change this_alternative to array of enum
14897         reg_class.  Remove some now-unnecessary casts.
14898         (make_memloc): Change 0 to VOIDmode in function call.
14899         * reload1.c (reload): Change 0 to VOIDmode in function call.
14900         (eliminate_regs_1, elimination_effects): Likewise.
14901         (eliminate_regs_in_insn): Likewise.
14902         (emit_input_reload_insns): Add cast to enum type.
14903         (delete_output_reload): Change 0 to VOIDmode in function call.
14904         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
14905         to enum type in function call.
14906         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
14907         (SET_PREDICT_EXPR_OUTCOME): Define.
14908         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
14909         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
14910         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
14911         (dump_function): Likewise.
14912         * tree-dump.h: Update declarations.
14913         * tree-pass.h: Update declarations.
14914         * varasm.c (assemble_integer): Change mclass to enum mode_class.
14915         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
14916         enum type.
14917         (arm_rtx_costs_1): Correct parenthesization.
14918         (arm_rtx_costs): Add casts to enum type.
14919         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
14920         (vfp_emit_fstmd): Use add_rg_note.
14921         (emit_multi_reg_push, emit_sfm): Likewise.
14922         (thumb_set_frame_pointer): Likewise.
14923         (arm_expand_prologue): Likewise.
14924         (arm_regno_class): Change return type to enum reg_class.
14925         (thumb1_expand_prologue): Use add_reg_note.
14926         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
14927         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
14928         in function call.
14929         * config/arm/gentune.sh: Add cast to enum type.
14930         * config/arm/arm-tune.md: Rebuild.
14931         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
14932         (ix86_split_fp_branch, predict_jump): Likewise.
14933         (ix86_expand_multi_arg_builtin): Change sub_code from enum
14934         insn_code to enum rtx_code.
14935         (ix86_builtin_vectorized_function): Add cast to enum type.
14936         * config/i386/i386.md (truncdfsf2): Change slot to enum
14937         ix86_stack_slot.
14938         (truncxf<mode>2, isinf<mode>2): Likewise.
14939         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
14940         enum type.
14941         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
14942         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
14943         (insert_bundle_state): Change 1 to INSERT in function call.
14944         (ia64_add_bundle_selector_before): Likewise.
14945         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
14946         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
14947         (restore_stack_nonlocal): Likewise.
14948         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
14949         function call.
14950         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
14951         function call.
14952         (mips_rtx_costs): Likewise.
14953         (mips_override_options): Add casts to enum type.
14954         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
14955         in function call.
14956         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
14957         (store_reg, set_reg_plus_d): Likewise.
14958         (hppa_expand_prologue, hppa_profile_hook): Likewise.
14959         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
14960         cast to enum type.
14961         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
14962         function call.
14963         (emit_unlikely_jump): Use add_reg_note.
14964         (rs6000_emit_allocate_stack): Likewise.
14965         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
14966         (output_toc): Change 1 to INSERT in function call.
14967         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
14968         (rs6000_initialize_trampoline): Likewise.
14969         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
14970         function call.
14971         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
14972         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
14973         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
14974         (save_gprs): Use add_reg_note.
14975         (s390_emit_prologue): Likewise.
14976         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
14977         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
14978         (sparc_fold_builtin): Add cast to enum type.
14979         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
14980         enum insn_code.
14981         (spu_expand_prologue): Use add_reg_note.
14982         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
14983
14984 2009-04-20  Ian Lance Taylor  <iant@google.com>
14985
14986         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
14987         (c_parser_postfix_expression_after_primary): Get VEC for list of
14988         arguments.  Get original types of arguments.  Call
14989         build_function_call_vec.
14990         (cached_expr_list_1, cached_expr_list_2): New static variables.
14991         (c_parser_expr_list): Change return type to VEC *.  Add
14992         p_orig_types parameter.  Change all callers.
14993         (c_parser_release_expr): New static function.
14994         (c_parser_vec_to_tree_list): New static function.
14995         * c-typeck.c (build_function_call): Rewrite to build a VEC and
14996         call build_function_call_vec.
14997         (build_function_call_vec): New function, based on old
14998         build_function_call.
14999         (convert_arguments): Remove nargs and argarray parameters.  Change
15000         values to a VEC.  Add origtypes parameter.
15001         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
15002         (convert_for_assignment): Add origtype parameter.  Change all
15003         callers.  If warn_cxx_compat, check for conversion to an enum
15004         type when calling a function.
15005         (store_init_value): Add origtype parameter.  Change all callers.
15006         (digest_init): Likewise.
15007         (struct init_node): Add origtype field.
15008         (add_pending_init): Add origtype parameter.  Change all callers.
15009         (output_init_element): Likewise.
15010         (output_pending_init_elements): Pass origtype from init_node to
15011         output_init_element.
15012         (process_init_element): Pass origtype from c_expr to
15013         output_init_element.
15014         (c_finish_return): Add origtype parameter.  Change all callers.
15015         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
15016         caller.
15017         (sync_resolve_params): Likewise.
15018         (sync_resolve_return): Change params to first_param.  Change caller.
15019         (resolve_overloaded_builtins): Change params to VEC *.  Change
15020         callers.  Save first parameter around call to build_function_call_vec.
15021         * c-decl.c (finish_decl): Add origtype parameter.  Change all
15022         callers.  Call build_function_call_vec rather than
15023         build_function_call for cleanup.
15024         * c-tree.h: Update declarations.
15025         * c-common.h: Update declarations.
15026         * stub-objc.c (objc_rewrite_function_call): Change parameter from
15027         params to first_param.
15028         * target.h (struct gcc_target): Change resolve_overloaded_builtin
15029         params parameter from tree to void *.
15030         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
15031         Change arglist parameter to have type void *, and to be a pointer
15032         to a VEC.
15033         * config/rs6000/rs6000-protos.h
15034         (altivec_resolve_overloaded_builtin): Update declaration.
15035         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
15036         fnargs parameter to have type void *, and to be a pointer to a
15037         VEC.  Call build_function_call_vec instead of
15038         build_function_call.
15039         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
15040
15041 2009-04-20  Joey Ye  <joey.ye@intel.com>
15042             Xuepeng Guo  <xuepeng.guo@intel.com>
15043             H.J. Lu  <hongjiu.lu@intel.com>
15044
15045         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
15046
15047         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
15048         (IX86_LEA_PRIORITY): Likewise.
15049         (distance_non_agu_define): New function.
15050         (distance_agu_use): Likewise.
15051         (ix86_lea_for_add_ok): Likewise.
15052         (ix86_dep_by_shift_count): Likewise.
15053
15054         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
15055         should split for LEA.
15056
15057         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
15058         function.
15059         (ix86_dep_by_shift_count): Likewise.
15060
15061 2009-04-20  Richard Guenther  <rguenther@suse.de>
15062
15063         * expr.c (handled_component_p): Move ...
15064         * tree.h (handled_component_p): ... here.
15065         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
15066         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
15067         and REALPART_EXPR to be in one group.
15068
15069 2009-04-20  Richard Guenther  <rguenther@suse.de>
15070
15071         * basic-block.h (get_all_dominated_blocks): Declare.
15072         * dominance.c (get_all_dominated_blocks): New function.
15073         * tree-cfg.c (get_all_dominated_blocks): Remove.
15074         (remove_edge_and_dominated_blocks): Adjust.
15075         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
15076         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
15077         instead of recursing.
15078
15079 2009-04-20  Doug Kwan  <dougkwan@google.com>
15080
15081         * cgraph.h (cgraph_node_ptr): New type for vector functions.
15082         (struct cgraph_node_set_def): New type.
15083         (cgraph_node_set) New type. Also declare vector functions.
15084         (struct cgraph_node_set_element_def): New type.
15085         (cgraph_node_set_element): Ditto.
15086         (cgraph_node_set_iterator): New iterator type.
15087         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
15088         cgraph_node_set_remove, dump_cgraph_node_set,
15089         debug_cgraph_node_set): New prototypes.
15090         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
15091         cgraph_node_set_size): New inlines.
15092         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
15093         including cgraph.h.
15094         (struct ipa_opt_pass): Add struct cgraph_node_set_def
15095         argument to function 'write_summary'.
15096         * ipa.c: Include ggc.h.
15097         (hash_cgraph_node_set_element,
15098         eq_cgraph_node_set_element, cgraph_node_set_new,
15099         cgraph_node_set_add, cgraph_node_set_remove,
15100         cgraph_node_set_find, dump_cgraph_node_set,
15101         debug_cgraph_node_set): New functions.
15102         * Makefile.in (ipa.o): Add dependency on GGC_H.
15103
15104 2009-04-20  Ira Rosen  <irar@il.ibm.com>
15105
15106         PR tree-optimization/39675
15107         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
15108         check of the return code of vect_schedule_slp. Check that
15109         stmt_vec_info still exists for the statement, before checking its
15110         vectorization type.
15111
15112 2009-04-20  Michael Matz  <matz@suse.de>
15113
15114         * Makefile.in (generated_files): Take out $(simple_generated_c).
15115
15116 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
15117
15118         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
15119         (UINTPTR_TYPE):  Likewise.
15120
15121 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
15122
15123         PR c/37481
15124         * c-typeck.c (digest_init): Check for initializing an array with a
15125         string literal.
15126
15127 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
15128
15129         PR c/19771
15130         * c-semantics.c (pop_stmt_list): Propagate
15131         STATEMENT_LIST_HAS_LABEL to parent statement list.
15132
15133 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
15134
15135         * config/mips/mips.h (mips_tune_attr): New macro.
15136         * config/mips/mips.md (cpu): Use it.
15137
15138 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
15139
15140         PR c/38243
15141         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
15142         declaring a tag.
15143
15144 2009-04-19  Diego Novillo  <dnovillo@google.com>
15145
15146         * toplev.c (compile_file): Move call to coverage_finish ...
15147         * cgraphunit.c (ipa_passes): ... here.
15148         Call cgraph_process_new_functions.
15149         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
15150         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
15151
15152 2009-04-19  Jan Hubicka  <jh@suse.cz>
15153
15154         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
15155         cfun.
15156         (dump_cgraph_node): Dump can throw external flag.
15157         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
15158
15159 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15160
15161         PR c/32061
15162         PR c++/36954
15163         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
15164         * common.opt (Wlogical-op): Move from here...
15165         * c.opt (Wlogical-op): ... to here.
15166         * c-typeck.c (parser_build_binary_op): Update call to
15167         warn_logical_operator.
15168         * c-opts.c (c_common_post_options): Enable warn_logical_op with
15169         extra_warnings.
15170         * c-common.c (warn_logical_op): Update.
15171         * c-common.h (warn_logical_op): Update declaration.
15172
15173 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
15174
15175         * tree.c (protected_set_expr_location): Fix formatting.
15176
15177 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
15178
15179         PR c/27676
15180         * c-typeck.c (readonly_warning): new.
15181         (build_unary_op, build_modify_expr): Use readonly_warning for
15182         storing into something readonly but not const-qualified.
15183
15184 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
15185
15186         PR c/22367
15187         * c-typeck.c (build_unary_op): Check for taking address of
15188         expression of type void.
15189
15190 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
15191
15192         PR c/35210
15193         * c-typeck.c (build_function_call): Check for calling a function
15194         with qualified void return types.  Call require_complete_type when
15195         generating a trap.
15196
15197 2009-04-18  Jan Hubicka  <jh@suse.cz>
15198
15199         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
15200         Set nothrow flag.
15201         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
15202         can_throw_external flag.
15203         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
15204         * ipa-pure-const.c (ignore_edge): New function.
15205         (propagate): Compute order for NOTHROW computation; set NOTHROWs
15206         only over can_throw_external edges.
15207         (local_pure_const): Add nothrow flag.
15208         * ipa-utils.c (searchc): Add ignore_edge callback.
15209         (ipa_utils_reduced_inorder): Add ignore_edge callback.
15210         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
15211         (set_nothrow_function_flags): Update cgraph.
15212         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
15213
15214 2009-04-18  Richard Guenther  <rguenther@suse.de>
15215
15216         PR middle-end/39804
15217         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
15218         (fold_stmt): ... this and ...
15219         (fold_stmt_inplace): ... this.
15220         (fold_stmt_1): Fold references in calls and asms.
15221         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
15222
15223 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
15224
15225         * tree-vrp.c (ssa_name_nonzero_p): Remove.
15226         * tree.h: Remove the prototype for ssa_name_nonzero_p.
15227
15228 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
15229
15230         * tree.c (function_args_count): Remove.
15231         * tree.h: Remove the prototype for function_args_count.
15232
15233 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
15234
15235         * tree-iterator.c (expr_only): Remove.
15236         * tree.h: Remove the prototype for expr_only.
15237
15238 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
15239
15240         * reginfo.c (cannot_change_mode_set_regs): Remove.
15241         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
15242
15243 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
15244
15245         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
15246         whether operands 0 and 1 overlaps.
15247
15248 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15249
15250         PR middle-end/36902
15251         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
15252         pointer. Use warning_at instead of warning.
15253         (search_for_addr_array): Likewise.
15254         (check_array_bounds): Likewise.
15255         (check_all_array_refs): Check that the incoming edge is not in the
15256         list of edges to be removed.
15257         (check_all_array_refs): Avoid the temporal pointer.
15258         (vrp_visit_cond_stmt): Fix typo.
15259         (simplify_switch_using_ranges): Handle the case where the switch
15260         index is an integer constant.
15261
15262 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
15263
15264         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
15265
15266 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
15267
15268         * doc/extend.texi, doc/invoke.texi: Fix typos.
15269
15270 2009-04-17  Cary Coutant  <ccoutant@google.com>
15271
15272         * tree-flow-inline.h (get_lineno): Fix inverted test.
15273
15274 2009-04-17  Diego Novillo  <dnovillo@google.com>
15275
15276         * tree-ssa-pre.c (create_expression_by_pieces): Remove
15277         assertion for AVAIL_OUT.
15278
15279 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
15280
15281         PR target/38627
15282         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
15283         * config/sh/linux-atomic.asm: Likewise.
15284
15285 2009-04-17  Diego Novillo  <dnovillo@google.com>
15286
15287         * except.c (debug_eh_tree): New.
15288         (struct eh_region, struct eh_status): Move ...
15289         * except.h: ... here.
15290         (add_type_for_runtime): Declare extern.
15291         (lookup_type_for_runtime): Likewise.
15292         (debug_eh_tree): Declare.
15293         * Makefile.in (GTFILES): List except.h before except.c
15294
15295 2009-04-17  Diego Novillo  <dnovillo@google.com>
15296
15297         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
15298         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
15299         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
15300         (find_vars_r): ... here.
15301         * tree-flow.h (find_referenced_vars_in): Declare.
15302         * tree-ssa-pre.c (create_expression_by_pieces): Assert
15303         that AVAIL_OUT exists for BLOCK.
15304         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
15305         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
15306         (tree-parloops.o): Likewise.
15307
15308 2009-04-17  Simon Baldwin  <simonb@google.com>
15309
15310         * toplev.c (default_tree_printer): Add handling for %E format.
15311
15312 2009-04-17  Diego Novillo  <dnovillo@google.com>
15313
15314         * tree-pretty-print.c (dump_generic_node): Add break after
15315         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
15316         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
15317         FUNCTION_TYPE together.  Call print_struct_decl when printing
15318         structures and TDF_SLIM is not given.
15319         (print_struct_decl): Fix logic for detecting recursion.
15320
15321 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
15322
15323         PR 31567
15324         * gcc.c (create_at_file): New.
15325         (compile_input_file_p): New.
15326         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
15327         * main.c (main): Update call to toplev_main.
15328         * toplev.c (toplev_main): Change signature. Call expandargv.
15329         * toplev.h (toplev_main): Change signature.
15330
15331 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
15332
15333         * dwarf2out.c (field_byte_offset): Use the type size as the field size
15334         if the latter is not constant.
15335
15336 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
15337
15338         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
15339
15340 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
15341
15342         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
15343         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
15344
15345 2009-04-17  Richard Guenther  <rguenther@suse.de>
15346
15347         * tree-ssa-structalias.c (get_constraint_for_component_ref):
15348         Handle component references view-converting an invariant address.
15349
15350 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
15351
15352         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
15353         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
15354         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
15355         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
15356         Use @deftypevr rather than @deftypevar.
15357
15358 2009-04-17  Richard Guenther  <rguenther@suse.de>
15359
15360         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
15361         (get_prop_source_stmt): Likewise.
15362         (can_propagate_from): Likewise.
15363
15364 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
15365
15366         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
15367         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
15368         (--with-multilib-list): Add default value.
15369         * configure: Regenerate.
15370         * Makefile.in (TM_ENDIAN_CONFIG): Define.
15371         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
15372         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
15373         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
15374         Don't add default cpu to multilib list unnecessarily, but do enable
15375         the relevant compiler option..
15376         Add support for --with-multilib-list=<blank> and
15377         --with-multilib-list=!<somelib> to supress unwanted multilibs.
15378         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
15379         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
15380         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
15381         TM_MULTILIB_CONFIG.
15382         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
15383         (MULTILIB_OSDIRNAMES): New variable.
15384         * config/sh/t-1e: Delete file.
15385         * config/sh/t-mlib-sh1: Delete file.
15386         * config/sh/t-mlib-sh2: Delete file.
15387         * config/sh/t-mlib-sh2a: Delete file.
15388         * config/sh/t-mlib-sh2a-nofpu: Delete file.
15389         * config/sh/t-mlib-sh2a-single: Delete file.
15390         * config/sh/t-mlib-sh2a-single-only: Delete file.
15391         * config/sh/t-mlib-sh2e: Delete file.
15392         * config/sh/t-mlib-sh3e: Delete file.
15393         * config/sh/t-mlib-sh4: Delete file.
15394         * config/sh/t-mlib-sh4-nofpu: Delete file.
15395         * config/sh/t-mlib-sh4-single: Delete file.
15396         * config/sh/t-mlib-sh4-single-only: Delete file.
15397         * config/sh/t-mlib-sh4a: Delete file.
15398         * config/sh/t-mlib-sh4a-nofpu: Delete file.
15399         * config/sh/t-mlib-sh4a-single: Delete file.
15400         * config/sh/t-mlib-sh4a-single-only: Delete file.
15401         * config/sh/t-mlib-sh4al: Delete file.
15402         * config/sh/t-mlib-sh5-32media: Delete file.
15403         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
15404         * config/sh/t-mlib-sh5-64media: Delete file.
15405         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
15406         * config/sh/t-mlib-sh5-compact: Delete file.
15407         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
15408         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
15409         * doc/install.texi (Options specification): Add
15410         --with-multilib-list and --with-endian.
15411
15412 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
15413
15414         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
15415         REVISION_c.
15416         (OBJS-common): Add plugin-version.o.
15417         (plugin-version.o): New.
15418         * gcc-plugin.h (plugin_gcc_version): New.
15419         (plugin_default_version_check): New.
15420         (plugin_init_func, plugin_init): Add version argument.
15421         * plugin-version.c: New.
15422         * plugin.c (str_plugin_gcc_version_name): New.
15423         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
15424         pass it to the init function.
15425         (plugin_default_version_check): New.
15426
15427 2009-04-17  Richard Guenther  <rguenther@suse.de>
15428
15429         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
15430         for decl-vs-decl disambiguation.
15431
15432 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
15433
15434         * config/s390/s390.h (s390_tune_attr): New macro definition.
15435         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
15436
15437 2009-04-17  Richard Guenther  <rguenther@suse.de>
15438
15439         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
15440         (fold_stmt_r): Likewise.
15441         (maybe_fold_reference): New function.
15442         (fold_gimple_assign): Handle cases fold_stmt_r did.
15443         (fold_stmt): Do not use fold_stmt_r.
15444         (fold_stmt_inplace): Likewise.
15445
15446 2009-04-17  Richard Guenther  <rguenther@suse.de>
15447
15448         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
15449         (record_equivalences_from_stmt): Remove useless checks and
15450         simplifications.
15451         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
15452         the type is already suitable.
15453
15454 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
15455
15456         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
15457
15458 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
15459
15460         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
15461         (CMPtype): Define as __gcc_CMPtype.
15462
15463 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
15464
15465         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
15466         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
15467
15468 2009-04-17  Richard Guenther  <rguenther@suse.de>
15469
15470         PR tree-optimization/39746
15471         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
15472         special-casing for builtins and static variable use/def.
15473         (call_may_clobber_ref_p_1): Likewise.
15474
15475 2009-04-16  Ian Lance Taylor  <iant@google.com>
15476
15477         * df.h: Include "timevar.h".
15478         (struct df_problem): Change tv_id field to timevar_id_t.
15479         * tree-pass.h: Include "timevar.h".
15480         (struct opt_pass): Change tv_id field to timevar_id_t.
15481         * timevar.h (timevar_id_t): Define TV_NONE.
15482         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
15483         TV_NONE rather than tv_id != 0.
15484         (execute_one_pass): Likewise.
15485         * Makefile.in (DF_H): Add $(TIMEVAR_H).
15486         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
15487         dependencies to $(TREE_PASS_H).
15488         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
15489         to TV_NONE.
15490         (pass_branch_target_load_optimize2): Likewise.
15491         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
15492         (pass_outof_cfg_layout_mode): Likewise.
15493         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
15494         (pass_rebuild_cgraph_edges): Likewise.
15495         (pass_remove_cgraph_callee_edges): Likewise.
15496         * df-core.c (pass_df_initialize_opt): Likewise.
15497         (pass_df_initialize_no_opt): Likewise.
15498         (pass_df_finish): Likewise.
15499         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
15500         * except.c (pass_set_nothrow_function_flags): Likewise.
15501         (pass_convert_to_eh_region_ranges): Likewise.
15502         * final.c (pass_compute_alignments): Likewise.
15503         * function.c (pass_instantiate_virtual_regs): Likewise.
15504         (pass_init_function): Likewise.
15505         (pass_leaf_regs): Likewise.
15506         (pass_match_asm_constraints): Likewise.
15507         * gimple-low.c (pass_lower_cf): Likewise.
15508         (pass_mark_used_blocks): Likewise.
15509         * init-regs.c (pass_initialize_regs): Likewise.
15510         * integrate.c (pass_initial_value_sets): Likewise.
15511         * ira.c (pass_ira): Likewise.
15512         * jump.c (pass_cleanup_barriers): Likewise.
15513         * omp-low.c (pass_expand_omp): Likewise.
15514         (pass_lower_omp): Likewise.
15515         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
15516         * recog.c (pass_split_all_insns): Likewise.
15517         (pass_split_after_reload): Likewise.
15518         (pass_split_before_regstack): Likewise.
15519         (pass_split_before_sched2): Likewise.
15520         (pass_split_for_shorten_branches): Likewise.
15521         * reginfo.c (pass_reginfo_init): Likewise.
15522         (pass_subregs_of_mode_init): Likewise.
15523         (pass_subregs_of_mode_finish): Likewise.
15524         * passes.c (pass_postreload): Likewise.
15525         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
15526         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
15527         (pass_warn_function_return): Likewise.
15528         (pass_warn_function_noreturn): Likewise.
15529         * tree-complex.c (pass_lower_complex): Likewise.
15530         (pass_lower_complex_O0): Likewise.
15531         * tree-if-conv.c (pass_if_conversion): Likewise.
15532         * tree-into-ssa.c (pass_build_ssa): Likewise.
15533         * tree-mudflap.c (pass_mudflap_1): Likewise.
15534         (pass_mudflap_2): Likewise.
15535         * tree-nomudflap.c (pass_mudflap_1): Likewise.
15536         (pass_mudflap_2): Likewise.
15537         * tree-nrv.c (pass_return_slot): Likewise.
15538         * tree-object-size.c (pass_object_sizes): Likewise.
15539         * tree-optimize.c (pass_all_optimizations): Likewise.
15540         (pass_early_local_passes): Likewise.
15541         (pass_all_early_optimizations): Likewise.
15542         (pass_cleanup_cfg): Likewise.
15543         (pass_cleanup_cfg_post_optimizing): Likewise.
15544         (pass_free_datastructures): Likewise.
15545         (pass_free_cfg_annotations): Likewise.
15546         (pass_fixup_cfg): Likewise.
15547         (pass_init_datastructures): Likewise.
15548         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
15549         (pass_late_warn_uninitialized): Likewise.
15550         (pass_update_address_taken): Likewise.
15551         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
15552         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
15553         (pass_cse_sincos): Likewise.
15554         (pass_convert_to_rsqrt): Likewise.
15555         * tree-ssa-structalias.c (pass_build_alias): Likewise.
15556         * tree-stdarg.c (pass_stdarg): Likewise.
15557         * tree-tailcall.c (pass_tail_recursion): Likewise.
15558         (pass_tail_calls): Likewise.
15559         * tree-vect-generic.c (pass_lower_vector): Likewise.
15560         (pass_lower_vector_ssa): Likewise.
15561         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
15562
15563 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
15564
15565         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
15566         XLR entry.
15567         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
15568         Handle -march=xlr.
15569         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
15570         logical and signext.
15571
15572 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
15573
15574         PR target/39767
15575         * config/sh/predicates.md (arith_operand): Check if the operand
15576         of TRUNCATE is a REG.
15577
15578 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15579
15580         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
15581         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
15582
15583 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15584
15585         * tree-iterator.c (tsi_split_statement_list_after,
15586         tsi_split_statement_list_before): Remove.
15587         * tree-iterator.h: Remove the prototypes for
15588         tsi_split_statement_list_after and tsi_split_statement_list_before.
15589
15590 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15591
15592         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
15593         * tree-ssa-propagate.h: Remove the prototype for
15594         stmt_makes_single_load.
15595
15596 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15597
15598         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
15599         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
15600
15601 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15602
15603         * tree-iterator.c (EXPR_LAST_BODY): Remove.
15604
15605 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15606
15607         * except.c (eh_region_outer_p): Remove.
15608         * except.h: Remove the prototype for eh_region_outer_p.
15609
15610 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15611
15612         * function.c (current_function_assembler_name): Remove.
15613         * function.h: Remove the prototype for
15614         current_function_assembler_name.
15615
15616 2009-04-16  Ian Lance Taylor  <iant@google.com>
15617
15618         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
15619         (add_reg_note): Call alloc_reg_note.
15620         * rtl.h (alloc_reg_note): Declare.
15621         * combine.c (try_combine): Use alloc_reg_note.
15622         (recog_for_combine, move_deaths): Likewise.
15623         (distribute_notes): Use alloc_reg_note and add_reg_note.
15624         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
15625         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
15626         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
15627
15628 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
15629
15630         PR rtl-optimization/39762
15631         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
15632         ira_may_move_out_cost): Add comments about way of their usage.
15633         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
15634
15635         * ira-conflicts.c (process_regs_for_copy): Use function
15636         ira_get_register_move_cost instead of global
15637         ira_register_move_cost.
15638
15639         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
15640         color_pass, move_spill_restore, update_curr_costs): Ditto.
15641
15642         * ira-lives.c (process_single_reg_class_operands): Ditto.
15643
15644         * ira-emit.c (emit_move_list): Ditto.
15645
15646         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
15647         (record_reg_classes): Ditto.  Use functions
15648         ira_get_register_move_cost and ira_get_may_move_cost instead of
15649         global vars ira_register_move_cost, ira_may_move_out_cost and
15650         ira_may_move_in_cost.
15651         (record_address_regs): Don't call ira_init_register_move_cost.
15652         Use function ira_get_may_move_cost instead of global
15653         ira_may_move_in_cost.
15654         (process_bb_node_for_hard_reg_moves): Use function
15655         ira_get_register_move_cost instead of global ira_register_move_cost.
15656         (ira_costs): Don't call ira_init_register_move_cost.
15657
15658 2009-04-16  Richard Guenther  <rguenther@suse.de>
15659
15660         * tree-cfg.c (verify_gimple_assign_binary):
15661         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
15662         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
15663         (create_general_new_stmt): Note that this function is broken.
15664
15665 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
15666
15667         * common.opt (fhelp): Add Var(help_flag).
15668         * gcc-plugin.h (plugin_info): Add help.
15669         * plugin.c (plugin_name_args): Add help.
15670         (register_plugin_info): Set plugin->help.
15671         (print_help_one_plugin): New.
15672         (print_plugins_help): New.
15673         * plugin.h (print_plugins_help): New.
15674         * toplev.c (toplev_main): Call print_plugins_help if needed.
15675
15676 2009-04-16  Richard Guenther  <rguenther@suse.de>
15677
15678         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
15679         (gimple_ior_addresses_taken_1): New function.
15680         (gimple_ior_addresses_taken): Likewise.
15681         * gimple.h (struct gimple_statement_with_ops_base): Remove
15682         addresses_taken member.
15683         (gimple_ior_addresses_taken): Declare.
15684         (gimple_addresses_taken, gimple_addresses_taken_ptr,
15685         gimple_set_addresses_taken): Remove.
15686         * ipa-reference.c (mark_address): New function.
15687         (scan_stmt_for_static_refs): Use it for marking addresses taken.
15688         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
15689         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
15690         (gimple_add_to_addresses_taken): Remove.
15691         (get_tmr_operands): Call mark_address_taken.
15692         (get_asm_expr_operands): Likewise.
15693         (get_expr_operands): Likewise.
15694         (build_ssa_operands): Do not clear the addresses_taken bitmap.
15695         (free_stmt_operands): Do not free it.
15696         * tree-ssa.c (delete_tree_ssa): Likewise.
15697         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
15698
15699 2009-04-16  Richard Guenther  <rguenther@suse.de>
15700
15701         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
15702         (walk_stmt_load_store_ops): Likewise.
15703         * gimple.c (get_base_loadstore): New function.
15704         (walk_stmt_load_store_addr_ops): Likewise.
15705         (walk_stmt_load_store_ops): Likewise.
15706         * ipa-pure-const.c (check_op): Simplify.
15707         (check_load, check_store): New functions.
15708         (check_stmt): Use walk_stmt_load_store_ops.
15709         * ipa-reference.c (mark_load): Adjust signature.
15710         (mark_store): Likewise.
15711         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
15712
15713 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
15714
15715         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
15716         (plugin_info): New.
15717         * opts.c (common_handle_option): Don't call print_version.
15718         * plugin.c (plugin_name_args): Add version.
15719         (register_plugin_info): New.
15720         (register_callback): Handle PLUGIN_INFO.
15721         (try_init_one_plugin): New.
15722         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
15723         if failed to init.
15724         (finalize_one_plugin): New.
15725         (finalize_plugins): New.
15726         (print_one_plugin): New.
15727         (print_plugins_versions): New.
15728         * plugin.h (print_plugins_versions): New.
15729         (finalize_plugins): New.
15730         * toplev.c (compile_file): Don't call initialize_plugins.
15731         (print_version): Call print_plugins_versions.
15732         (toplev_main): Call initialize_plugins. Print version if needed.
15733         Call finalize_plugins.
15734
15735 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
15736
15737         * common.opt (fversion): New.
15738         * gcc.c (print_version): New.
15739         (process_command): Don't print the version. Just set print_version.
15740         (main): Print version. Call subprocesses if print_version and
15741         verbose_flag are set.
15742         * opts.c (common_handle_option): Handle OPT_fversion.
15743
15744 2009-04-16  Richard Guenther  <rguenther@suse.de>
15745             Ira Rosen  <irar@il.ibm.com>
15746
15747         PR tree-optimization/39698
15748         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
15749         type of the reduction variable.  Only generate the def if
15750         it is needed.
15751
15752         * omp-low.c (expand_omp_for_generic): When converting to a pointer
15753         make sure to first convert to an integer of the same precision.
15754         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
15755         the type of the evolution correctly in computing the new
15756         induction variable base.
15757
15758 2009-04-16  Richard Guenther  <rguenther@suse.de>
15759
15760         PR middle-end/39625
15761         * tree-cfg.c (make_blocks): Split statements with to-be
15762         abnormal SSA names on the lhs.
15763
15764 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
15765
15766         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
15767         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
15768         * c-typeck.c (really_start_incremental_init): Likewise.
15769         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
15770         (TARGET_INITIALIZER): Remove it.
15771         * target.h (struct target): Remove vector_opaque_p.
15772         * tree.c (build_opaque_vector_type): New.
15773         * tree.h (TYPE_VECTOR_OPAQUE): New.
15774         (build_opaque_vector_type): Declare.
15775         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
15776         * config/rs6000/rs6000.c (build_opaque_vector_type,
15777         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
15778         (rs6000_init_builtins): Use build_opaque_vector_type for
15779         opaque_V4SI_type_node.
15780
15781 2009-04-15  Catherine Moore  <clm@codesourcery.com>
15782
15783         * debug.h (set_name):  Declare.
15784         * dwarf2out.c (dwarf2out_set_name): Declare.
15785         (dwarf2_debug_hooks): Add set_name.
15786         (find_AT_string): New.
15787         (add_AT_string): Call find_AT_string.
15788         (dwarf2out_set_name): New.
15789         * cp/decl.c (grokdeclarator): Call set_name.
15790         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
15791         * debug.c (do_nothing_debug_hooks):  Likewise.
15792         * dbxout.c (dbx_debug_hooks): Likewise.
15793         * sdbout.c (sdb_debug_hooks): Likewise.
15794
15795 2009-04-15  Michael Eager  <eager@eagercon.com>
15796
15797         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
15798         reg for single-precision FPU.
15799         * config/rs6000/rs6000.md (movsi_internal1): Only for
15800         !TARGET_SINGLE_FPU.
15801         (movsi_internal1_single): New. Add pattern to move SI values to/from
15802         single-precision FP regs.
15803
15804 2009-04-15  Richard Guenther  <rguenther@suse.de>
15805
15806         * omp-low.c (lower_rec_input_clauses): Build correct address
15807         expressions.
15808         (expand_omp_for_generic): Fix multiplication type.
15809         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
15810         (generate_memset_zero): Fix types.
15811         * tree-profile.c (prepare_instrumented_value): Correctly
15812         widen a pointer.
15813
15814 2009-04-15  Ian Lance Taylor  <iant@google.com>
15815
15816         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
15817         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
15818         for -Wall and for -Wc++-compat.
15819         (c_common_post_options): For C++, set warn_enum_compare if not
15820         already set.
15821         * c-tree.h (struct c_expr): Add field original_type.
15822         (build_external_ref): Update declaration.
15823         * c-parser.c (c_parser_braced_init): Set original_type.
15824         (c_parser_initelt): Likewise.
15825         (c_parser_expr_no_commas): Likewise.
15826         (c_parser_conditional_expression): Likewise.
15827         (c_parser_cast_expression): Likewise.
15828         (c_parser_unary_expression): Likewise.  Pull setting of
15829         original_code to top of function.
15830         (c_parser_sizeof_expression): Set original_type.
15831         (c_parser_alignof_expression): Likewise.
15832         (c_parser_postfix_expression): Likewise.  Pull setting of
15833         original_code to top of function.
15834         (c_parser_postfix_expression_after_paren_type): Set original_type.
15835         (c_parser_postfix_expression_after_primary): Likewise.
15836         (c_parser_expression): Likewise.
15837         * c-typeck.c (build_external_ref): Add type parameter.  Change all
15838         callers.
15839         (c_expr_sizeof_expr): Set original_type field.
15840         (parser_build_unary_op): Likewise.
15841         (parser_build_binary_op): Likewise.  Optionally warn about
15842         comparisons of enums of different types.
15843         (digest_init): Set original_type field.
15844         (really_start_incremental_init): Likewise.
15845         (push_init_level, pop_init_level): Likewise.
15846         * doc/invoke.texi (Warning Options): -Wenum-compare now
15847         supported in C.
15848
15849 2009-04-15  Richard Guenther  <rguenther@suse.de>
15850
15851         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
15852         out a necessary conversion.
15853         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
15854         names we didn't value number.
15855         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
15856
15857 2009-04-15  Richard Guenther  <rguenther@suse.de>
15858
15859         PR tree-optimization/39764
15860         * tree-ssa-ccp.c (get_value): Canonicalize value with
15861         canonicalize_float_value.
15862
15863 2009-04-15  Jan Hubicka  <jh@suse.cz>
15864
15865         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
15866         Wrong version of patch.
15867
15868 2009-04-15  Jan Hubicka  <jh@suse.cz>
15869
15870         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
15871
15872 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
15873
15874         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
15875         our distinct integral and vector types.
15876
15877 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
15878
15879         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
15880         * init.c (build_vtbl_address): Remove call to assemble_external.
15881
15882 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
15883
15884         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
15885         output for other floating point modes.
15886
15887 2009-04-14  Diego Novillo  <dnovillo@google.com>
15888
15889         * diagnostic.c (diagnostic_report_diagnostic): Do not
15890         warn about loaded plugins for DK_ERROR and DK_WARNING.
15891         * c-decl.c (declspecs_add_type): Move call to
15892         invoke_plugin_callbacks ...
15893         * c-parser.c (c_parser_declspecs): ... here.
15894         * plugin.c (dump_active_plugins): Tidy output.
15895
15896 2009-04-14  Diego Novillo  <dnovillo@google.com>
15897             Le-Chun Wu  <lcwu@google.com>
15898
15899         * configure.ac: Add --enable-plugin support.
15900         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
15901         * Makefile.in (PLUGIN_H): Define.
15902         Export ENABLE_PLUGIN and GMPINC to site.exp.
15903         Add PLUGINLIBS to link command.
15904         Add/modify dependencies for plugin.o and files including plugin.h.
15905         (plugin.o): New.
15906         * config.in: Regenerate.
15907
15908         * opts.c (common_handle_option): Handle OPT_fplugin_ and
15909         OPT_fplugin_arg_.
15910
15911 2009-04-14  Le-Chun Wu  <lcwu@google.com>
15912
15913         * tree-pass.h (register_one_dump_file): Add a prototype for
15914         register_one_dump_file.
15915         * toplev.c (compile_file): Call initialize_plugins.
15916         (do_compile): Call invoke_plugin_callbacks.
15917         (toplev_main): Call invoke_plugin_callbacks.
15918         * common.opt: Add -fplugin= and -fplugin-arg-.
15919         * gcc-plugin.h: New public header file for plugins to include.
15920         * plugin.c: New source file.
15921         * plugin.h: New internal header file.
15922         * passes.c (register_one_dump_file): Make it external.
15923
15924         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
15925
15926 2009-04-14  Diego Novillo  <dnovillo@google.com>
15927
15928         * doc/plugins.texi: New.
15929         * doc/gccint.texi: Add reference to Plugins chapter.
15930         * doc/invoke.texi: Document -fplugin and -fplugin-arg
15931         * diagnostic.c (diagnostic_report_diagnostic): Warn about
15932         loaded plugins, if any.
15933         * timevar.def (TV_PLUGIN_INIT): Define.
15934         (TV_PLUGIN_RUN): Define.
15935         * plugin.c: Include timevar.h
15936         (plugins_active_p): New.
15937         (dump_active_plugins): New.
15938         (debug_active_plugins): New.
15939
15940 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
15941
15942         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
15943         library paths.
15944         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
15945
15946 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
15947
15948         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
15949         the same as a minus without a shift.
15950
15951 2009-04-14  Nick Clifton  <nickc@redhat.com>
15952
15953         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
15954         comparisons with small integers will always produce a short
15955         branch.
15956
15957 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
15958
15959         Merge:
15960         2008-12-19  Diego Novillo  <dnovillo@google.com>
15961
15962         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
15963
15964 2009-04-14  Richard Guenther  <rguenther@suse.de>
15965
15966         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
15967         verification.
15968         (verify_gimple_assign_binary): Likewise.  Handle shifts and
15969         rotates correctly.
15970         (verify_gimple_phi): Print the mismatched argument position.
15971         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
15972         Fix types.
15973         (vect_update_init_of_dr): Likewise.
15974         * matrix-reorg.c (transform_access_sites): Do what the
15975         comment suggests.
15976         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
15977
15978 2009-04-13  Michael Eager  <eager@eagercon.com>
15979
15980         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
15981         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
15982         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
15983         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
15984         remove duplicate config
15985
15986 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
15987
15988         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
15989         file_name:line_number type locator of the call site.
15990
15991 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
15992
15993         * genautomata.c: Put blank after comma.
15994         (automaton_decls): New.
15995         (struct unit_usage): Add comments to member next.
15996         (store_alt_unit_usage): Keep the list ordered.
15997         (unit_present_on_list_p, equal_alternatives_p): New.
15998         (check_regexp_units_distribution): Check units distribution
15999         correctness correctly.
16000         (main): Don't write automata if error is found.  Return correct
16001         exit code.
16002
16003         * config/m68k/cf.md (cfv4_ds): Remove.
16004         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
16005         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
16006
16007         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
16008         power4-load-ext, power4-store, power4-store-update,
16009         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
16010         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
16011         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
16012         power4-sqrt, power4-isync): Modify reservation to make correct
16013         unit distribution to automata.
16014
16015         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
16016         power5-store-update, power5-two, power5-three, power5-lmul,
16017         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
16018
16019 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
16020
16021         * except.c (pass_set_nothrow_function_flags): Set name and add
16022         TODO_dump_func.
16023         (set_nothrow_function_flags): Mention in the dump file when
16024         changing a function to nothrow.
16025
16026 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
16027
16028         PR/39066
16029         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
16030         instead of unsigned long.
16031
16032 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
16033
16034         * config/arm/arm.c (return_used_this_function): Remove.
16035         (arm_output_function_prologue): Remove use of
16036         return_used_this_function.
16037         (output_return_instruction): Replace use of
16038         return_used_this_function
16039         by cfun->machine->return_used_this_function.
16040         (arm_output_epilogue): Likewise.
16041         (arm_output_function_epilogue): Likewise.
16042         (thumb_unexpanded_epilogue): Likewise.
16043         * config/arm/arm.h (struct machine_function):
16044         New member return_used_this_function.
16045
16046 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
16047
16048         * doc/install.texi: Correct description of default directory for
16049         --with-gxx-include-dir.
16050
16051 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
16052
16053         * fold-const.c (build_range_check): Properly deal with enumeral and
16054         boolean base types.
16055
16056 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
16057
16058         * doc/invoke.texi (max_gcse_passes): Remove documentation.
16059         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
16060         * params.h (MAX_GCSE_PASSES): Remove.
16061         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
16062         in sequence.  Remove ability to run multiple passes.
16063         (bypass_jumps): Report run as third CPROP pass.
16064
16065 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
16066
16067         PR middle-end/39651
16068         * except.c (can_throw_external): Look at each insn in a SEQUENCE
16069         when deciding whether the whole SEQUENCE can throw.
16070
16071 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
16072
16073         PR target/39740
16074         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
16075         offseted label references.
16076
16077 2009-04-11  Jan Hubicka  <jh@suse.cz>
16078
16079         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
16080
16081 2009-04-11  Richard Guenther  <rguenther@suse.de>
16082
16083         PR middle-end/39732
16084         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
16085         return variables as TREE_ADDRESSABLE.
16086
16087 2009-04-11  Richard Guenther  <rguenther@suse.de>
16088
16089         PR tree-optimization/39713
16090         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
16091         reference trees have SSA_NAME operands.
16092
16093 2009-04-11  Richard Guenther  <rguenther@suse.de>
16094
16095         PR c/39712
16096         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
16097         address expressions.
16098
16099 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
16100
16101         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
16102         match changes in Cygwin 1.7
16103         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
16104         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
16105
16106 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
16107
16108         PR tree-optimization/39701
16109         * doc/invoke.texi (Optimization Options): Document change in
16110         meaning and initialization of -fdelete-null-pointer-checks.
16111
16112 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
16113
16114         PR middle-end/39701
16115         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
16116
16117         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
16118         here.
16119
16120         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
16121
16122 2009-04-10  Chao-ying Fu  <fu@mips.com>
16123
16124         * doc/tm.texi (Instruction Output): Document
16125         TARGET_ASM_FINAL_POSTSCAN_INSN.
16126         * target.h (final_postscan_insn): New field in asm_out.
16127         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
16128         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
16129         * final.c (final_scan_insn): Call
16130         targetm.asm_out.final_postscan_insn after outputting
16131         an asm macro and a normal instruction.
16132
16133         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
16134         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
16135         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
16136         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
16137         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
16138
16139 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
16140
16141         PR middle-end/39701
16142         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
16143         variables as non-NULL even with -fdelete-null-pointer-checks.
16144
16145 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
16146
16147         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
16148
16149 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
16150
16151         PR target/39678
16152         * config/i386/i386.c (classify_argument): Handle SCmode with
16153         (bit_offset % 64) != 0.
16154
16155 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
16156
16157         * doc/invoke.texi (Optimize Options): Add cross-reference to
16158         -Q --help=optimizers examples.
16159
16160 2009-04-10  Ben Elliston  <bje@au.ibm.com>
16161
16162         PR target/36800
16163         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
16164         regalign for the reg == fpr and TDmode case.
16165
16166 2009-04-09  David Ayers  <ayers@fsfe.org>
16167
16168         PR objc/29200
16169         * objc/objc-act.c (warn_with_method): Remove helper function.
16170         (check_duplicates): Call warning and inform directly.
16171         (really_start_method): Likewise.
16172
16173 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
16174
16175         * expmed.c (expand_divmod): Always use a comparison for a division
16176         by a large unsigned integer.
16177
16178         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
16179         for things others than variables or functions as nonzero.
16180
16181 2009-04-09  Nick Clifton  <nickc@redhat.com>
16182
16183         * unwind-compat.c: Change copyright header to refer to version
16184         3 of the GNU General Public License with version 3.1 of the
16185         GCC Runtime Library Exception and to point readers at the
16186         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
16187         * config/alpha/crtfastmath.c: Likewise.
16188         * config/alpha/linux-unwind.h: Likewise.
16189         * config/alpha/qrnnd.asm: Likewise.
16190         * config/alpha/vms-crt0-64.c: Likewise.
16191         * config/alpha/vms-crt0.c: Likewise.
16192         * config/alpha/vms-dwarf2.asm: Likewise.
16193         * config/alpha/vms-dwarf2eh.asm: Likewise.
16194         * config/alpha/vms-psxcrt0-64.c: Likewise.
16195         * config/alpha/vms-psxcrt0.c: Likewise.
16196         * config/alpha/vms_tramp.asm: Likewise.
16197         * config/arc/initfini.c: Likewise.
16198         * config/arc/lib1funcs.asm: Likewise.
16199         * config/arm/bpabi-v6m.S: Likewise.
16200         * config/arm/bpabi.S: Likewise.
16201         * config/arm/bpabi.c: Likewise.
16202         * config/arm/crti.asm: Likewise.
16203         * config/arm/crtn.asm: Likewise.
16204         * config/arm/ieee754-df.S: Likewise.
16205         * config/arm/ieee754-sf.S: Likewise.
16206         * config/arm/lib1funcs.asm: Likewise.
16207         * config/arm/libunwind.S: Likewise.
16208         * config/arm/linux-atomic.c: Likewise.
16209         * config/arm/mmintrin.h: Likewise.
16210         * config/arm/pr-support.c: Likewise.
16211         * config/arm/unaligned-funcs.c: Likewise.
16212         * config/arm/unwind-arm.c: Likewise.
16213         * config/arm/unwind-arm.h: Likewise.
16214         * config/avr/libgcc.S: Likewise.
16215         * config/bfin/crti.s: Likewise.
16216         * config/bfin/crtlibid.s: Likewise.
16217         * config/bfin/crtn.s: Likewise.
16218         * config/bfin/lib1funcs.asm: Likewise.
16219         * config/bfin/linux-unwind.h: Likewise.
16220         * config/cris/arit.c: Likewise.
16221         * config/cris/cris_abi_symbol.c: Likewise.
16222         * config/darwin-64.c: Likewise.
16223         * config/darwin-crt2.c: Likewise.
16224         * config/darwin-crt3.c: Likewise.
16225         * config/darwin.h: Likewise.
16226         * config/dbxelf.h: Likewise.
16227         * config/dfp-bit.c: Likewise.
16228         * config/dfp-bit.h: Likewise.
16229         * config/elfos.h: Likewise.
16230         * config/fixed-bit.c: Likewise.
16231         * config/fixed-bit.h: Likewise.
16232         * config/fp-bit.c: Likewise.
16233         * config/fp-bit.h: Likewise.
16234         * config/fr30/crti.asm: Likewise.
16235         * config/fr30/crtn.asm: Likewise.
16236         * config/fr30/lib1funcs.asm: Likewise.
16237         * config/freebsd-spec.h: Likewise.
16238         * config/frv/cmovd.c: Likewise.
16239         * config/frv/cmovh.c: Likewise.
16240         * config/frv/cmovw.c: Likewise.
16241         * config/frv/frvbegin.c: Likewise.
16242         * config/frv/frvend.c: Likewise.
16243         * config/frv/lib1funcs.asm: Likewise.
16244         * config/glibc-stdint.h: Likewise.
16245         * config/h8300/clzhi2.c: Likewise.
16246         * config/h8300/crti.asm: Likewise.
16247         * config/h8300/crtn.asm: Likewise.
16248         * config/h8300/ctzhi2.c: Likewise.
16249         * config/h8300/fixunssfsi.c: Likewise.
16250         * config/h8300/lib1funcs.asm: Likewise.
16251         * config/h8300/parityhi2.c: Likewise.
16252         * config/h8300/popcounthi2.c: Likewise.
16253         * config/i386/ammintrin.h: Likewise.
16254         * config/i386/att.h: Likewise.
16255         * config/i386/avxintrin.h: Likewise.
16256         * config/i386/biarch64.h: Likewise.
16257         * config/i386/bmmintrin.h: Likewise.
16258         * config/i386/cpuid.h: Likewise.
16259         * config/i386/cross-stdarg.h: Likewise.
16260         * config/i386/crtfastmath.c: Likewise.
16261         * config/i386/crtprec.c: Likewise.
16262         * config/i386/cygming-crtbegin.c: Likewise.
16263         * config/i386/cygming-crtend.c: Likewise.
16264         * config/i386/cygwin.asm: Likewise.
16265         * config/i386/emmintrin.h: Likewise.
16266         * config/i386/gmm_malloc.h: Likewise.
16267         * config/i386/gthr-win32.c: Likewise.
16268         * config/i386/i386.h: Likewise.
16269         * config/i386/immintrin.h: Likewise.
16270         * config/i386/linux-unwind.h: Likewise.
16271         * config/i386/linux64.h: Likewise.
16272         * config/i386/mm3dnow.h: Likewise.
16273         * config/i386/mmintrin-common.h: Likewise.
16274         * config/i386/mmintrin.h: Likewise.
16275         * config/i386/nmmintrin.h: Likewise.
16276         * config/i386/pmm_malloc.h: Likewise.
16277         * config/i386/pmmintrin.h: Likewise.
16278         * config/i386/smmintrin.h: Likewise.
16279         * config/i386/sol2-c1.asm: Likewise.
16280         * config/i386/sol2-ci.asm: Likewise.
16281         * config/i386/sol2-cn.asm: Likewise.
16282         * config/i386/sol2-gc1.asm: Likewise.
16283         * config/i386/tmmintrin.h: Likewise.
16284         * config/i386/unix.h: Likewise.
16285         * config/i386/w32-unwind.h: Likewise.
16286         * config/i386/wmmintrin.h: Likewise.
16287         * config/i386/x86-64.h: Likewise.
16288         * config/i386/x86intrin.h: Likewise.
16289         * config/i386/xmmintrin.h: Likewise.
16290         * config/ia64/crtbegin.asm: Likewise.
16291         * config/ia64/crtend.asm: Likewise.
16292         * config/ia64/crtfastmath.c: Likewise.
16293         * config/ia64/crti.asm: Likewise.
16294         * config/ia64/crtn.asm: Likewise.
16295         * config/ia64/fde-glibc.c: Likewise.
16296         * config/ia64/lib1funcs.asm: Likewise.
16297         * config/ia64/linux-unwind.h: Likewise.
16298         * config/ia64/quadlib.c: Likewise.
16299         * config/ia64/unwind-ia64.c: Likewise.
16300         * config/linux.h: Likewise.
16301         * config/m32c/m32c-lib1.S: Likewise.
16302         * config/m32c/m32c-lib2-trapv.c: Likewise.
16303         * config/m32c/m32c-lib2.c: Likewise.
16304         * config/m32r/initfini.c: Likewise.
16305         * config/m68hc11/larith.asm: Likewise.
16306         * config/m68hc11/m68hc11-crt0.S: Likewise.
16307         * config/m68k/cf.md: Likewise.
16308         * config/m68k/crti.s: Likewise.
16309         * config/m68k/crtn.s: Likewise.
16310         * config/m68k/lb1sf68.asm: Likewise.
16311         * config/m68k/linux-unwind.h: Likewise.
16312         * config/mcore/crti.asm: Likewise.
16313         * config/mcore/crtn.asm: Likewise.
16314         * config/mcore/lib1.asm: Likewise.
16315         * config/mips/linux-unwind.h: Likewise.
16316         * config/mips/loongson.h: Likewise.
16317         * config/mips/mips16.S: Likewise.
16318         * config/mmix/crti.asm: Likewise.
16319         * config/mmix/crtn.asm: Likewise.
16320         * config/pa/fptr.c: Likewise.
16321         * config/pa/hpux-unwind.h: Likewise.
16322         * config/pa/lib2funcs.asm: Likewise.
16323         * config/pa/linux-atomic.c: Likewise.
16324         * config/pa/linux-unwind.h: Likewise.
16325         * config/pa/milli64.S: Likewise.
16326         * config/pa/quadlib.c: Likewise.
16327         * config/pa/stublib.c: Likewise.
16328         * config/picochip/libgccExtras/adddi3.asm: Likewise.
16329         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
16330         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
16331         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
16332         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
16333         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
16334         * config/picochip/libgccExtras/divmod15.asm: Likewise.
16335         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
16336         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
16337         * config/picochip/libgccExtras/longjmp.asm: Likewise.
16338         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
16339         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
16340         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
16341         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
16342         * config/picochip/libgccExtras/setjmp.asm: Likewise.
16343         * config/picochip/libgccExtras/subdi3.asm: Likewise.
16344         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
16345         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
16346         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
16347         * config/rs6000/750cl.h: Likewise.
16348         * config/rs6000/altivec.h: Likewise.
16349         * config/rs6000/biarch64.h: Likewise.
16350         * config/rs6000/crtresfpr.asm: Likewise.
16351         * config/rs6000/crtresgpr.asm: Likewise.
16352         * config/rs6000/crtresxfpr.asm: Likewise.
16353         * config/rs6000/crtresxgpr.asm: Likewise.
16354         * config/rs6000/crtsavfpr.asm: Likewise.
16355         * config/rs6000/crtsavgpr.asm: Likewise.
16356         * config/rs6000/darwin-asm.h: Likewise.
16357         * config/rs6000/darwin-fallback.c: Likewise.
16358         * config/rs6000/darwin-fpsave.asm: Likewise.
16359         * config/rs6000/darwin-ldouble.c: Likewise.
16360         * config/rs6000/darwin-tramp.asm: Likewise.
16361         * config/rs6000/darwin-unwind.h: Likewise.
16362         * config/rs6000/darwin-vecsave.asm: Likewise.
16363         * config/rs6000/darwin-world.asm: Likewise.
16364         * config/rs6000/e500crtres32gpr.asm: Likewise.
16365         * config/rs6000/e500crtres64gpr.asm: Likewise.
16366         * config/rs6000/e500crtres64gprctr.asm: Likewise.
16367         * config/rs6000/e500crtrest32gpr.asm: Likewise.
16368         * config/rs6000/e500crtrest64gpr.asm: Likewise.
16369         * config/rs6000/e500crtresx32gpr.asm: Likewise.
16370         * config/rs6000/e500crtresx64gpr.asm: Likewise.
16371         * config/rs6000/e500crtsav32gpr.asm: Likewise.
16372         * config/rs6000/e500crtsav64gpr.asm: Likewise.
16373         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
16374         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
16375         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
16376         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
16377         * config/rs6000/eabi-ci.asm: Likewise.
16378         * config/rs6000/eabi-cn.asm: Likewise.
16379         * config/rs6000/eabi.asm: Likewise.
16380         * config/rs6000/linux-unwind.h: Likewise.
16381         * config/rs6000/linux64.h: Likewise.
16382         * config/rs6000/paired.h: Likewise.
16383         * config/rs6000/paired.md: Likewise.
16384         * config/rs6000/ppc64-fp.c: Likewise.
16385         * config/rs6000/ppu_intrinsics.h: Likewise.
16386         * config/rs6000/rs6000.h: Likewise.
16387         * config/rs6000/si2vmx.h: Likewise.
16388         * config/rs6000/sol-ci.asm: Likewise.
16389         * config/rs6000/sol-cn.asm: Likewise.
16390         * config/rs6000/spe.h: Likewise.
16391         * config/rs6000/spu2vmx.h: Likewise.
16392         * config/rs6000/sysv4.h: Likewise.
16393         * config/rs6000/tramp.asm: Likewise.
16394         * config/rs6000/vec_types.h: Likewise.
16395         * config/s390/linux-unwind.h: Likewise.
16396         * config/s390/tpf-unwind.h: Likewise.
16397         * config/score/crti.asm: Likewise.
16398         * config/score/crtn.asm: Likewise.
16399         * config/sh/crt1.asm: Likewise.
16400         * config/sh/crti.asm: Likewise.
16401         * config/sh/crtn.asm: Likewise.
16402         * config/sh/divtab-sh4-300.c: Likewise.
16403         * config/sh/divtab-sh4.c: Likewise.
16404         * config/sh/divtab.c: Likewise.
16405         * config/sh/lib1funcs-4-300.asm: Likewise.
16406         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
16407         * config/sh/lib1funcs.asm: Likewise.
16408         * config/sh/lib1funcs.h: Likewise.
16409         * config/sh/linux-atomic.asm: Likewise.
16410         * config/sh/linux-unwind.h: Likewise.
16411         * config/sh/shmedia.h: Likewise.
16412         * config/sh/sshmedia.h: Likewise.
16413         * config/sh/ushmedia.h: Likewise.
16414         * config/sparc/crtfastmath.c: Likewise.
16415         * config/sparc/linux-unwind.h: Likewise.
16416         * config/sparc/sol2-c1.asm: Likewise.
16417         * config/sparc/sol2-ci.asm: Likewise.
16418         * config/sparc/sol2-cn.asm: Likewise.
16419         * config/spu/divmodti4.c: Likewise.
16420         * config/spu/divv2df3.c: Likewise.
16421         * config/spu/float_disf.c: Likewise.
16422         * config/spu/float_unsdidf.c: Likewise.
16423         * config/spu/float_unsdisf.c: Likewise.
16424         * config/spu/float_unssidf.c: Likewise.
16425         * config/spu/mfc_multi_tag_release.c: Likewise.
16426         * config/spu/mfc_multi_tag_reserve.c: Likewise.
16427         * config/spu/mfc_tag_release.c: Likewise.
16428         * config/spu/mfc_tag_reserve.c: Likewise.
16429         * config/spu/mfc_tag_table.c: Likewise.
16430         * config/spu/multi3.c: Likewise.
16431         * config/spu/spu_internals.h: Likewise.
16432         * config/spu/spu_intrinsics.h: Likewise.
16433         * config/spu/spu_mfcio.h: Likewise.
16434         * config/spu/vec_types.h: Likewise.
16435         * config/spu/vmx2spu.h: Likewise.
16436         * config/stormy16/stormy16-lib2.c: Likewise.
16437         * config/svr4.h: Likewise.
16438         * config/sync.c: Likewise.
16439         * config/v850/lib1funcs.asm: Likewise.
16440         * config/vxlib-tls.c: Likewise.
16441         * config/vxlib.c: Likewise.
16442         * config/vxworks-dummy.h: Likewise.
16443         * config/xtensa/crti.asm: Likewise.
16444         * config/xtensa/crtn.asm: Likewise.
16445         * config/xtensa/ieee754-df.S: Likewise.
16446         * config/xtensa/ieee754-sf.S: Likewise.
16447         * config/xtensa/lib1funcs.asm: Likewise.
16448         * config/xtensa/lib2funcs.S: Likewise.
16449         * config/xtensa/linux-unwind.h: Likewise.
16450         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
16451         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
16452         * coretypes.h: Likewise.
16453         * crtstuff.c: Likewise.
16454         * defaults.h: Likewise.
16455         * dwarf2.h: Likewise.
16456         * emutls.c: Likewise.
16457         * gbl-ctors.h: Likewise.
16458         * gcov-io.h: Likewise.
16459         * ginclude/float.h: Likewise.
16460         * ginclude/iso646.h: Likewise.
16461         * ginclude/stdarg.h: Likewise.
16462         * ginclude/stdbool.h: Likewise.
16463         * ginclude/stddef.h: Likewise.
16464         * ginclude/stdfix.h: Likewise.
16465         * ginclude/stdint-gcc.h: Likewise.
16466         * ginclude/tgmath.h: Likewise.
16467         * gthr-aix.h: Likewise.
16468         * gthr-dce.h: Likewise.
16469         * gthr-gnat.c: Likewise.
16470         * gthr-gnat.h: Likewise.
16471         * gthr-lynx.h: Likewise.
16472         * gthr-mipssde.h: Likewise.
16473         * gthr-nks.h: Likewise.
16474         * gthr-posix.c: Likewise.
16475         * gthr-posix.h: Likewise.
16476         * gthr-posix95.h: Likewise.
16477         * gthr-rtems.h: Likewise.
16478         * gthr-single.h: Likewise.
16479         * gthr-solaris.h: Likewise.
16480         * gthr-tpf.h: Likewise.
16481         * gthr-vxworks.h: Likewise.
16482         * gthr-win32.h: Likewise.
16483         * gthr.h: Likewise.
16484         * libgcc2.c: Likewise.
16485         * libgcc2.h: Likewise.
16486         * libgcov.c: Likewise.
16487         * tsystem.h: Likewise.
16488         * typeclass.h: Likewise.
16489         * unwind-c.c: Likewise.
16490         * unwind-compat.h: Likewise.
16491         * unwind-dw2-fde-compat.c: Likewise.
16492         * unwind-dw2-fde-darwin.c: Likewise.
16493         * unwind-dw2-fde-glibc.c: Likewise.
16494         * unwind-dw2-fde.c: Likewise.
16495         * unwind-dw2-fde.h: Likewise.
16496         * unwind-dw2.c: Likewise.
16497         * unwind-dw2.h: Likewise.
16498         * unwind-generic.h: Likewise.
16499         * unwind-pe.h: Likewise.
16500         * unwind-sjlj.c: Likewise.
16501         * unwind.inc: Likewise.
16502         * config/arm/neon-gen.ml: Change generated copyright header to
16503         refer to version 3 of the GNU General Public License with
16504         version 3.1 of the GCC Runtime Library Exception and to point
16505         readers at the COPYING3 and COPYING3.RUNTIME files and the
16506         FSF's license web page.
16507         * config/arm/arm_neon.h: Regenerate.
16508
16509 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
16510
16511         * config/cris/cris.md: Change copyright header to refer to version
16512         3 of the GNU General Public License.
16513         * doc/install.texi2html: Change copyright header to refer to version
16514         3 of the GNU General Public License and to point readers at the
16515         COPYING3 file and the FSF's license web page.
16516         * config/vax/linux.h: Likewise.
16517
16518 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
16519
16520         * config/i386/i386.md (cmpcc): New.
16521         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
16522         (sync_compare_and_swap_cc*): Delete.
16523
16524         * config/s390/s390.c (s390_compare_emitted): Remove.
16525         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
16526         s390_compare_emitted used to be handled.  Assert that modes match.
16527         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
16528         refer to sync_compare_and_swap_ccsi.
16529         * config/s390/s390.h (s390_compare_emitted): Remove.
16530         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
16531         instead of s390_compare_emitted.
16532         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
16533         instead of s390_compare_emitted.
16534         * config/s390/s390.md (cmpcc): New.
16535         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
16536         CC_REGNUM, do not pretend it's set.
16537         (sync_compare_and_swap_cc*): Delete.
16538         * config/s390/predicates.md (cc_reg_operand): New.
16539
16540         * expr.c (sync_compare_and_swap_cc): Delete.
16541         * optabs.h (sync_compare_and_swap_cc): Delete.
16542         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
16543         is being used with can_compare_p.
16544         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
16545         (find_cc_set): New.
16546         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
16547         look for a MODE_CC set instead.  Use emit_store_flag.
16548         (expand_compare_and_swap_loop): Likewise, with some additional
16549         complication to avoid a force_reg when useless.  Use
16550         emit_cmp_and_jump_insns.
16551         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
16552         * doc/md.texi (sync_compare_and_swap_cc): Merge with
16553         sync_compare_and_swap documentation.
16554
16555 2009-04-09  Jan Hubicka  <jh@suse.cz>
16556
16557         * except.c (find_prev_try): Break out from ....
16558         (duplicate_eh_regions): ... here; properly update prev_try pointers
16559         when duplication part of tree.
16560         (dump_eh_tree): Improve dumping.
16561         (verify_eh_region): New.
16562         (verify_eh_tree): Use it.
16563
16564 2009-04-06  Richard Guenther  <rguenther@suse.de>
16565
16566         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
16567         &ARRAY addresses by adjusting their types and prepending
16568         a conversion.
16569         * tree-cfg.c (verify_gimple_assign_single): Verify that
16570         addresses are correct.
16571
16572 2009-04-09  Richard Guenther  <rguenther@suse.de>
16573
16574         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
16575         indices into an array reference if possible.
16576         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
16577         Fold POINTER_PLUS_EXPR statements with invariant address.
16578
16579 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
16580
16581         PR target/39634
16582         * config.gcc (powerpc64-*-linux*): Always build biarch.
16583
16584 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
16585
16586         PR c/39613
16587         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
16588         it and pedwarn if this results in an INTEGER_CST.
16589
16590 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16591
16592         * doc/install.texi: Update minimum GMP version.  Remove obsolete
16593         text in MPFR section.
16594
16595 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
16596
16597         * dwarf2out.c (class_scope_p): New static inline.
16598         (class_or_namespace_scope_p): Use it.
16599         (gen_variable_die): Use DW_TAG_member tag for static data member
16600         declarations instead of DW_TAG_variable.
16601
16602         PR middle-end/39573
16603         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
16604         variables.
16605
16606 2009-04-08  Richard Guenther  <rguenther@suse.de>
16607
16608         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
16609         valueize random data.
16610
16611 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
16612
16613         * config.gcc (aix tm_file):  Add aix-stdint.h.
16614         (aix tm clause use_gcc_stdint):  Set to wrap.
16615         * config/rs6000/aix-stdint.h:  New file.
16616
16617 2009-04-08  Richard Guenther  <rguenther@suse.de>
16618
16619         PR middle-end/36291
16620         * tree-dfa.c (add_referenced_var): Do not recurse into
16621         global initializers.
16622         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
16623         exposed variables.
16624         (fold_const_aggregate_ref): Likewise.
16625
16626 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
16627
16628         * recog.c (ordered_comparison_operator): New.
16629         * gensupport.c (std_preds): Add it.
16630         * doc/md.texi (Machine-Independent Predicates): Document it.
16631
16632 2009-04-08  Jan Hubicka  <jh@suse.cz>
16633
16634         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
16635         * function.h (rtl_eh): Remove exception_handler_label_map.
16636         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
16637         remove_exception_handler_label, for_each_eh_label_1): Remove.
16638         (rtl_remove_unreachable_regions): Remove.
16639         (convert_from_eh_region_ranges): Do not remove unreachable regions.
16640         (find_exception_handler_labels): Don't build the hashtable.
16641         (maybe_remove_eh_handler): Remove.
16642         (for_each_eh_label): Rewrite to walk the tree.
16643         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
16644         * except.h (maybe_remove_eh_handler): Remove.
16645         * passes.c (init_optimization_passes): Schedule second EH cleanup
16646         before out-of-ssa.
16647         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
16648         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
16649
16650 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
16651
16652         * genoutput.c (validate_optab_operands): New.
16653         (gen_insn, gen_expand): Call it.
16654
16655         * genflags.c (gen_insn): Detect misused iterators.
16656         (main): Pass line_no to gen_insn, exit with status 1 on error.
16657
16658         * genextract.c (line_no): Make global.
16659         (VEC_safe_set_locstr): Change assertion to error message.
16660         (main): Exit with status 1 on error.
16661
16662 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
16663
16664         PR c/39614
16665         PR c/39673
16666         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
16667         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
16668         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
16669         * c-convert.c (convert): Do not call fold on results of conversion
16670         functions when the result is a C_MAYBE_CONST_EXPR.
16671         * c-parser.c (c_parser_postfix_expression): Do not fold condition
16672         of __builtin_choose_expr.
16673         * c-typeck.c (remove_c_maybe_const_expr): New.
16674         (build_unary_op, build_conditional_expr, build_compound_expr,
16675         build_binary_op, c_objc_common_truthvalue_conversion): Call
16676         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
16677         integer operands.
16678
16679 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
16680
16681         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
16682         CODE to produce a new one. Add a prototype to use fold_convert_const
16683
16684 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
16685
16686         PR bootstrap/39660
16687         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
16688         mix declarations and code.
16689
16690 2009-04-08  Ben Elliston  <bje@au.ibm.com>
16691
16692         * gcc.c: Replace `CC' with `GCC' throughout.
16693
16694 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
16695
16696         * doc/invoke.texi: Document Atom support.
16697
16698 2009-04-07  Jason Merrill  <jason@redhat.com>
16699
16700         PR c++/25185
16701         * c-common.h, c-common.c: Add flag_pretty_templates.
16702         * c-opts.c (c_common_handle_option): Set it.
16703         * c.opt: Add -fno-pretty-templates.
16704         * doc/invoke.texi (C++ Dialect Options): Likewise.
16705
16706 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
16707
16708         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
16709         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
16710         (ia64_expand_builtin): Likewise.
16711
16712 2009-04-07  Martin Jambor  <mjambor@suse.cz>
16713
16714         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
16715         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
16716         ADDR_EXPRS are include too.
16717
16718 2009-04-07  Richard Guenther  <rguenther@suse.de>
16719
16720         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
16721         decls are only used if passes as parameters or if they are
16722         local statics and the call is not to a builtin.
16723         (call_may_clobber_ref_p_1): Likewise.
16724
16725 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
16726
16727         * expr.c (do_store_flag): Remove last argument.  Simplify code
16728         to avoid duplication of tests already done by can_compare_p.
16729         (expand_expr_real_1): Adjust caller.
16730
16731 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
16732
16733         * optabs.c (can_compare_p): Test the predicate of a
16734         cbranch and cstore pattern.
16735
16736 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
16737
16738         * expr.c (convert_move): Use emit_store_flag instead of
16739         "emulating" it.
16740
16741 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
16742
16743         * config/i386/i386.c (ix86_compare_emitted): Remove.
16744         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
16745         ix86_compare_op0 like ix86_compare_emitted used to be handled.
16746         * config/i386/i386.h (ix86_compare_emitted): Remove.
16747         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
16748         instead of ix86_compare_emitted.
16749         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
16750
16751 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
16752
16753         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
16754         Add t-sysroot-suffix to tmake_file.
16755         * config/print-sysroot-suffix.sh: New file.
16756         * config/t-sysroot-suffix: New file.
16757
16758 2009-04-07  Ben Elliston  <bje@au.ibm.com>
16759
16760         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
16761         as the latter produces a warning when the target does not support
16762         infinity.
16763
16764 2009-04-07  Ben Elliston  <bje@au.ibm.com>
16765
16766         * dfp.c: Replace type punning assignments with memcpy throughout.
16767         * Makefile.in (dfp.o-warn): Remove.
16768
16769 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
16770
16771         PR target/39634
16772         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
16773         Include soft-fp/t-softfp after rs6000/t-linux64.
16774
16775 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
16776
16777         * stor-layout.c (set_sizetype): Use the full precision of their
16778         machine mode for bitsize types.
16779
16780 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
16781
16782         * config/i386/i386.md: Revert 2 accidental checkins.
16783
16784 2009-04-06  Joey Ye  <joey.ye@intel.com>
16785             Xuepeng Guo  <xuepeng.guo@intel.com>
16786             H.J. Lu  <hongjiu.lu@intel.com>
16787
16788         Atom pipeline model, tuning and insn selection.
16789         * config.gcc (atom): Add atom config options and target.
16790
16791         * config/i386/atom.md: New.
16792
16793         * config/i386/i386.c (atom_cost): New cost.
16794         (m_ATOM): New macro flag.
16795         (initial_ix86_tune_features): Set m_ATOM.
16796         (x86_accumulate_outgoing_args): Likewise.
16797         (x86_arch_always_fancy_math_387): Likewise.
16798         (processor_target): Add Atom cost.
16799         (cpu_names): Add Atom cpu name.
16800         (override_options): Set Atom ISA.
16801         (ix86_issue_rate): New case PROCESSOR_ATOM.
16802         (ix86_adjust_cost): Likewise.
16803
16804         * config/i386/i386.h (TARGET_ATOM): New target macro.
16805         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
16806         (TARGET_OPT_AGU): New target option.
16807         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
16808         (processor_type): Add PROCESSOR_ATOM.
16809
16810         * config/i386/i386.md (cpu): Add new value "atom".
16811         (use_carry, movu): New attr.
16812         (atom.md): Include atom.md.
16813         (adddi3_carry_rex64): Set attr "use_carry".
16814         (addqi3_carry): Likewise.
16815         (addhi3_carry): Likewise.
16816         (addsi3_carry): Likewise.
16817         (*addsi3_carry_zext): Likewise.
16818         (subdi3_carry_rex64): Likewise.
16819         (subqi3_carry): Likewise.
16820         (subhi3_carry): Likewise.
16821         (subsi3_carry): Likewise.
16822         (x86_movdicc_0_m1_rex64): Likewise.
16823         (*x86_movdicc_0_m1_se): Likewise.
16824         (x86_movsicc_0_m1): Likewise.
16825         (*x86_movsicc_0_m1_se): Likewise.
16826         (*adddi_1_rex64): Emit add insn as much as possible.
16827         (*addsi_1): Likewise.
16828         (return_internal): Set atom_unit.
16829         (return_internal_long): Likewise.
16830         (return_pop_internal): Likewise.
16831         (*rcpsf2_sse): Set atom_sse_attr attr.
16832         (*qrt<mode>2_sse): Likewise.
16833         (*prefetch_sse): Likewise.
16834
16835         * config/i386/i386-c.c (ix86_target_macros_internal): New case
16836         PROCESSOR_ATOM.
16837         (ix86_target_macros_internal): Likewise.
16838
16839         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
16840         (*prefetch_sse_rex): Likewise.
16841         (sse_rcpv4sf2): Likewise.
16842         (sse_vmrcpv4sf2): Likewise.
16843         (sse_sqrtv4sf2): Likewise.
16844         (<sse>_vmsqrt<mode>2): Likewise.
16845         (sse_ldmxcsr): Likewise.
16846         (sse_stmxcsr): Likewise.
16847         (*sse_sfence): Likewise.
16848         (sse2_clflush): Likewise.
16849         (*sse2_mfence): Likewise.
16850         (*sse2_lfence): Likewise.
16851         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
16852         (<sse>_movup<ssemodesuffixf2c>): Likewise.
16853         (avx_movdqu<avxmodesuffix>): Likewise.
16854         (avx_lddqu<avxmodesuffix>): Likewise.
16855         (sse2_movntv2di): Change attr "type" to "ssemov".
16856         (sse2_movntsi): Likewise.
16857         (rsqrtv8sf2): Change attr "type" to "sseadd".
16858         (sse3_addsubv2df3): Set attr "atom_unit".
16859         (sse3_h<plusminus_insn>v4sf3): Likewise.
16860         (*sse2_pmaddwd): Likewise.
16861         (*vec_extractv2di_1_rex64): Likewise.
16862         (*vec_extractv2di_1_avx): Likewise.
16863         (sse2_psadbw): Likewise.
16864         (ssse3_phaddwv8hi3): Likewise.
16865         (ssse3_phaddwv4hi3): Likewise.
16866         (ssse3_phadddv4si3): Likewise.
16867         (ssse3_phadddv2si3): Likewise.
16868         (ssse3_phaddswv8hi3): Likewise.
16869         (ssse3_phaddswv4hi3): Likewise.
16870         (ssse3_phsubwv8hi3): Likewise.
16871         (ssse3_phsubwv4hi3): Likewise.
16872         (ssse3_phsubdv4si3): Likewise.
16873         (ssse3_phsubdv2si3): Likewise.
16874         (ssse3_phsubswv8hi3): Likewise.
16875         (ssse3_phsubswv4hi3): Likewise.
16876         (ssse3_pmaddubsw128): Likewise.
16877         (sse3_pmaddubsw: Likewise.
16878         (ssse3_palignrti): Likewise.
16879         (ssse3_palignrdi): Likewise.
16880
16881 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
16882
16883         * doc/install.texi (Specific): Fix two cross-references to MinGW.
16884
16885 2009-04-06  Richard Guenther  <rguenther@suse.de>
16886
16887         PR tree-optimization/28868
16888         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
16889         of which PHI results we inserted.
16890         (insert_into_preds_of_block): Record inserted PHIs.
16891         (eliminate): Eliminate redundant PHI nodes.
16892         (init_pre): Init inserted_phi_names.
16893
16894 2009-04-06  Richard Guenther  <rguenther@suse.de>
16895
16896         PR tree-optimization/39643
16897         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
16898         IMAGPART_EXPRs of complex constants.
16899         (execute_fold_all_builtins): If we folded a call queue
16900         TODO_update_address_taken.
16901
16902 2009-04-06  Jan Hubicka  <jh@suse.cz>
16903
16904         PR middle-end/39659
16905         * except.c (remove_unreachable_regions): Propagate may_contain_throw
16906         flag.
16907
16908 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
16909
16910         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
16911         delay slot.
16912         (ic_invalidate_array): Likewise.
16913
16914 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
16915
16916         * calls.c (emit_library_call_value_1): Fix a problem with parameter
16917         alignment for library calls.
16918
16919 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
16920
16921         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
16922         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
16923         * config/i386/mingw-stdint.h:  New file.
16924
16925 2009-04-05  Richard Guenther  <rguenther@suse.de>
16926
16927         PR tree-optimization/39648
16928         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
16929         our &A vs. &A[0] IL deficiencies.
16930
16931 2009-04-04  Jan Hubicka  <jh@suse.cz>
16932
16933         * except.c (sjlj_find_directly_reachable_regions): Be ready for
16934         removed toplevel regions.
16935         (sjlj_mark_call_sites): Likewise.
16936
16937 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
16938
16939         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
16940         (cygwin tm clause use_gcc_stdint):  Set to wrap.
16941         * config/i386/cygwin-stdint.h:  New file.
16942
16943 2009-04-04  Richard Guenther  <rguenther@suse.de>
16944
16945         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
16946         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
16947         single-argument PHIs if we are in loop-closed SSA form.
16948         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
16949         for the pre-condition.
16950         (slpeel_tree_peel_loop_to_edge): Likewise.
16951         (vect_build_loop_niters): Take an optional sequence to append stmts.
16952         (vect_generate_tmps_on_preheader): Likewise.
16953         (vect_do_peeling_for_loop_bound): Take extra guards for the
16954         pre-condition.
16955         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
16956         the cost model check.
16957         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
16958         guards if we are going to peel.  Do not apply versioning in that case.
16959         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
16960         (vect_do_peeling_for_loop_bound): Likewise.
16961         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
16962         loop bound only record extra pre-conditions, do not apply loop
16963         versioning.
16964
16965 2009-04-04  Richard Guenther  <rguenther@suse.de>
16966
16967         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
16968         renaming code.
16969
16970 2009-04-04  Jan Hubicka  <jh@suse.cz>
16971
16972         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
16973         last_basic_block for size of bb->index indexed array.
16974         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
16975         compute_out, link_btr_uses, build_btr_def_use_webs,
16976         build_btr_def_use_webs, migrate_btr_defs): Likewise.
16977
16978 2009-04-04  Jan Hubicka  <jh@suse.cz>
16979
16980         * except.c (remove_eh_handler_and_replace): Break out from ...
16981         (remove_eh_handler): ... here.
16982         (bring_to_root): New function.
16983         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
16984         handled ones, bring others to root of tree.
16985
16986 2009-04-04  Jan Hubicka  <jh@suse.cz>
16987
16988         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
16989         (all_phis_safe_to_merge): New function.
16990         (update_info): New structure.
16991         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
16992         (cleanup_empty_eh): Update SSA if possible.
16993
16994 2009-04-04  Richard Guenther  <rguenther@suse.de>
16995
16996         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
16997         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
16998         (append_vuse): Likewise.
16999
17000 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
17001
17002         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
17003         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
17004         instead of REG_UNSAVED for DW_CFA_undefined.
17005         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
17006         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
17007         outermost frame.
17008
17009 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
17010
17011         PR target/39501
17012         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
17013         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
17014         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
17015
17016 2009-04-04  Richard Guenther  <rguenther@suse.de>
17017
17018         PR tree-optimization/8781
17019         PR tree-optimization/37892
17020         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
17021         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
17022         (valueize_refs): Call it for *& valueizations.
17023         (shared_reference_ops_from_ref): Rename to ...
17024         (valueize_shared_reference_ops_from_ref): ... this and valueize.
17025         (shared_reference_ops_from_call): Rename to ...
17026         (valueize_shared_reference_ops_from_call): ... this and valueize.
17027         (vn_reference_lookup): Update.
17028         (visit_reference_op_call): Likewise.
17029         * tree-ssa-pre.c (phi_translate_1): Fold *&.
17030         (eliminate): Value-replace the call address in call statements.
17031
17032 2009-04-04  Richard Guenther  <rguenther@suse.de>
17033
17034         PR tree-optimization/39636
17035         * tree-ssa-forwprop.c
17036         (forward_propagate_addr_into_variable_array_index): Check for
17037         GIMPLE_ASSIGN before accessing the rhs code.
17038
17039 2009-04-03  Jason Merrill  <jason@redhat.com>
17040
17041         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
17042
17043 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
17044
17045         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
17046         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
17047         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
17048         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
17049         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
17050         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
17051         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
17052         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
17053         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
17054         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
17055         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
17056         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
17057         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
17058         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
17059         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
17060         Use fr_reg_or_fp01_operand instead of fr_register_operand
17061
17062         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
17063         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
17064         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
17065
17066 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
17067
17068         PR rtl-optimization/39607
17069         PR rtl-optimization/39631
17070
17071         Revert:
17072
17073         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
17074         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
17075         instead of DF_LR_OUT.
17076         * ira-lives.c (process_bb_node_lives): Ditto.
17077         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
17078         instead of DF_LR_{OUT,IN}.
17079         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
17080         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
17081
17082 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
17083
17084         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
17085         (execute_lower_omp): Always run but take the short way out if -fopenmp
17086         is not given.
17087         (gate_lower_omp): Remove, forcing the pass manager to always run the
17088         pass and always set PROP_gimple_lomp.
17089         (pass_lower_omp): Remove gate function.
17090         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
17091         PROP_trees.  Instead, require it.
17092         * ipa-cp.c (pass_ipa_cp): Likewise.
17093         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
17094         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
17095         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
17096         and PROP_gimple_leh.
17097
17098 2009-04-03  Richard Guenther  <rguenther@suse.de>
17099
17100         PR middle-end/13146
17101         PR tree-optimization/23940
17102         PR tree-optimization/33237
17103         PR middle-end/33974
17104         PR middle-end/34093
17105         PR tree-optimization/36201
17106         PR tree-optimization/36230
17107         PR tree-optimization/38049
17108         PR tree-optimization/38207
17109         PR tree-optimization/38230
17110         PR tree-optimization/38301
17111         PR tree-optimization/38585
17112         PR middle-end/38895
17113         PR tree-optimization/38985
17114         PR tree-optimization/39299
17115         * tree-ssa-structalias.h: Remove.
17116         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
17117         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
17118         (struct vuse_element_d): Remove.
17119         (struct vuse_vec_d): Likewise.
17120         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
17121         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
17122         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
17123         VUSE_ELEMENT_VAR): Likewise.
17124         (struct voptype_d): Likewise.
17125         (NUM_VOP_FREE_BUCKETS): Likewise.
17126         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
17127         (struct stmt_operands_d): Remove.
17128         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
17129         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
17130         VDEF_NUM, VDEF_VECT): Likewise.
17131         (copy_virtual_operands): Remove.
17132         (operand_build_cmp): Likewise.
17133         (create_ssa_artificial_load_stmt): Likewise.
17134         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
17135         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
17136         vuse_index and mayuse_index members.  Pack and move done and iter_type
17137         members to the front.
17138         (SSA_OP_VMAYUSE): Remove.
17139         (SSA_OP_VIRTUAL_USES): Adjust.
17140         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
17141         (unlink_stmt_vdef): Declare.
17142         (add_to_addressable_set): Remove.
17143         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
17144         (vrp_visit_stmt): Likewise.
17145         * doc/tree-ssa.texi (Alias analysis): Update.
17146         * doc/invoke.texi (max-aliased-vops): Remove docs.
17147         (avg-aliased-vops): Likewise.
17148         * tree-into-ssa.c (syms_to_rename): Remove.
17149         (need_to_update_vops_p): Likewise.
17150         (need_to_initialize_update_ssa_p): Rename to ...
17151         (update_ssa_initialized_fn): ... this.  Track function we are
17152         initialized for.
17153         (symbol_marked_for_renaming): Simplify.
17154         (add_new_name_mapping): Do not set need_to_update_vops_p.
17155         (dump_currdefs): Use SYMS_TO_RENAME.
17156         (rewrite_update_stmt): Always walk all uses/defs.
17157         (dump_update_ssa): Adjust.
17158         (init_update_ssa): Take function argument.  Track what we are
17159         initialized for.
17160         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
17161         (create_new_def_for): Initialize for cfun, assert we are initialized
17162         for cfun.
17163         (mark_sym_for_renaming): Simplify.
17164         (mark_set_for_renaming): Do not initialize update-ssa.
17165         (need_ssa_update_p): Simplify.  Take function argument.
17166         (name_mappings_registered_p): Assert we ask for the correct function.
17167         (name_registered_for_update_p): Likewise.
17168         (ssa_names_to_replace): Likewise.
17169         (release_ssa_name_after_update_ssa): Likewise.
17170         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
17171         (dump_decl_set): Do not print a newline.
17172         (debug_decl_set): Do it here.
17173         (dump_update_ssa): And here.
17174         * tree-ssa-loop-im.c (move_computations): Adjust.
17175         (movement_possibility): Likewise.
17176         (determine_max_movement): Likewise.
17177         (gather_mem_refs_stmt): Likewise.
17178         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
17179         or NAME_MEMORY_TAG.
17180         * tree-complex.c (update_all_vops): Remove.
17181         (expand_complex_move): Adjust.
17182         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
17183         Simplify test for memory referencing statement.  Exclude
17184         non-invariant ADDR_EXPRs.
17185         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
17186         * tree-loop-distribution.c (generate_memset_zero): Adjust.
17187         (rdg_flag_uses): Likewise.
17188         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
17189         related code.
17190         (tree_optimize_tail_calls_1): Also split the
17191         edge from the entry block if we have degenerate PHI nodes in
17192         the first basic block.
17193         * tree.c (init_ttree): Remove memory-tag related code.
17194         (tree_code_size): Likewise.
17195         (tree_node_structure): Likewise.
17196         (build7_stat): Re-write to be build6_stat.
17197         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
17198         (SSA_VAR_P): Adjust.
17199         (struct tree_memory_tag): Remove.
17200         (struct tree_memory_partition_tag): Likewise.
17201         (union tree_node): Adjust.
17202         (build7): Re-write to be build6.
17203         * tree-pass.h (pass_reset_cc_flags): Remove.
17204         (TODO_update_address_taken): New flag.
17205         (pass_simple_dse): Remove.
17206         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
17207         * params.h (MAX_ALIASED_VOPS): Remove.
17208         (AVG_ALIASED_VOPS): Likewise.
17209         * omp-low.c (expand_omp_taskreg): Update SSA form.
17210         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
17211         aliases the lhs in a copy stmt.
17212         * tree-ssa-dse.c (struct address_walk_data): Remove.
17213         (memory_ssa_name_same): Likewise.
17214         (memory_address_same): Likewise.
17215         (get_kill_of_stmt_lhs): Likewise.
17216         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
17217         unused stores.  Look through PHI nodes into post-dominated regions.
17218         (dse_optimize_stmt): Simplify.  Properly remove stores.
17219         (tree_ssa_dse): Compute dominators.
17220         (execute_simple_dse): Remove.
17221         (pass_simple_dse): Likewise.
17222         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
17223         gimple_loaded_syms and gimple_stored_syms computation.
17224         * toplev.c (dump_memory_report): Dump alias and pta stats.
17225         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
17226         (vn_reference_eq): Likewise.
17227         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
17228         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
17229         valueize_vuses): Remove.
17230         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
17231         (get_def_ref_stmt_vuse): ... this.
17232         (vn_reference_lookup_2): New function.
17233         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
17234         walking equivalent vuses.  Simplify.
17235         (vn_reference_lookup): Likewise.
17236         (vn_reference_insert): Likewise.
17237         (vn_reference_insert_pieces): Likewise.
17238         (visit_reference_op_call): Simplify.
17239         (visit_reference_op_load): Likewise.
17240         (visit_reference_op_store): Likewise.
17241         (init_scc_vn): Remove shared_lookup_vuses initialization.
17242         (free_scc_vn): Remove shared_lookup_vuses freeing.
17243         (sort_vuses, sort_vuses_heap): Remove.
17244         (get_ref_from_reference_ops): Export.
17245         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
17246         vector with single vuse pointer.
17247         (vn_reference_lookup_pieces, vn_reference_lookup,
17248         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
17249         (shared_vuses_from_stmt): Remove.
17250         (get_ref_from_reference_ops): Declare.
17251         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
17252         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
17253         memory-tag related code.
17254         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
17255         (likely_value): Add comment, skip static-chain of call statements.
17256         (surely_varying_stmt_p): Adjust.
17257         (gimplify_and_update_call_from_tree): Likewise.
17258         (execute_fold_all_builtins): Do not rebuild alias info.
17259         (gimplify_and_update_call_from_tree): Properly update VOPs.
17260         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
17261         (copy_ref_info): Remove memory-tag related code.
17262         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
17263         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
17264         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
17265         computation.
17266         * tree-ssa-dom.c (gimple_p): Remove typedef.
17267         (eliminate_redundant_computations): Adjust.
17268         (record_equivalences_from_stmt): Likewise.
17269         (avail_expr_hash): Likewise.
17270         (avail_expr_eq): Likewise.
17271         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
17272         (stmt_makes_single_load): Likewise.
17273         (stmt_makes_single_store): Likewise.
17274         * tree-ssa-alias.c: Rewrite completely.
17275         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
17276         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
17277         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
17278         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
17279         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
17280         Remove public functions.
17281         (pass_reset_cc_flags): Remove.
17282         (pass_build_alias): Move ...
17283         * tree-ssa-structalias.c (pass_build_alias): ... here.
17284         * tree-ssa-alias.c (may_be_aliased): Move ...
17285         * tree-flow-inline.h (may_be_aliased): ... here.
17286         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
17287         count_uses_and_derefs): Move ...
17288         * gimple.c: ... here.
17289         * gimple.h (count_uses_and_derefs): Declare.
17290         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
17291         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
17292         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
17293         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
17294         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
17295         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
17296         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
17297         New functions.
17298         * tree-dfa.c (refs_may_alias_p): Move ...
17299         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
17300         * tree-ssa-alias.h: New file.
17301         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
17302         (statement_sink_location): Likewise.
17303         * opts.c (decode_options): Do not adjust max-aliased-vops or
17304         avg-aliased-vops values.
17305         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
17306         (TV_CALL_CLOBBER): Likewise.
17307         (TV_FLOW_SENSITIVE): Likewise.
17308         (TV_FLOW_INSENSITIVE): Likewise.
17309         (TV_MEMORY_PARTITIONING): Likewise.
17310         (TV_ALIAS_STMT_WALK): New timevar.
17311         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
17312         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
17313         (get_address_description): Remove memory-tag related code.
17314         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
17315         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
17316         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
17317         and immediate uses in statements.  Document.
17318         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
17319         (dump_symbols): Remove.
17320         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
17321         * alias.c (get_deref_alias_set): New function split out from ...
17322         (get_alias_set): ... here.
17323         * alias.h (get_deref_alias_set): Declare.
17324         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
17325         type parameter.  Remove restrict pointer handling.  Create a
17326         ref-all pointer in case type-based alias sets do not conflict.
17327         (vect_analyze_data_refs): Remove SMT related code.
17328         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
17329         (vectorizable_load): Likewise.
17330         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
17331         (DR_SYMBOL_TAG, DR_VOPS): Remove.
17332         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
17333         Ignore vops and SMTs.
17334         (dr_analyze_alias): Likewise..
17335         (free_data_ref): Likewise.
17336         (create_data_ref): Likewise.
17337         (analyze_all_data_dependences): Likewise.
17338         (get_references_in_stmt): Adjust.
17339         * tree-flow-inline.h (gimple_aliases_computed_p,
17340         gimple_addressable_vars, gimple_call_clobbered_vars,
17341         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
17342         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
17343         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
17344         gimple_mem_ref_stats): Remove.
17345         (gimple_vop): New function.
17346         (op_iter_next_use): Remove vuses and mayuses cases.
17347         (op_iter_next_def): Remove vdefs case.
17348         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
17349         (clear_and_done_ssa_iter): Do not set removed fields.
17350         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
17351         Assert we are not iterating over vuses or vdefs if not also
17352         iterating over uses or defs.
17353         (op_iter_init_use): Likewise.
17354         (op_iter_init_def): Likewise.
17355         (op_iter_next_vdef): Remove.
17356         (op_iter_next_mustdef): Likewise.
17357         (op_iter_init_vdef): Likewise.
17358         (compare_ssa_operands_equal): Likewise.
17359         (link_use_stmts_after): Handle vuse operand.
17360         (is_call_used): Use is_call_clobbered.
17361         (is_call_clobbered): Global variables are always call clobbered,
17362         query the call-clobbers bitmap.
17363         (mark_call_clobbered): Ignore global variables.
17364         (clear_call_clobbered): Likewise.
17365         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
17366         virtual operands sanity check.
17367         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
17368         Remove.
17369         (TARGET_MEM_REF): Remove TMR_TAG operand.
17370         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
17371         Remove call-clobber related code.
17372         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
17373         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
17374         partitions or escape reason.
17375         (get_single_def_stmt, get_single_def_stmt_from_phi,
17376         get_single_def_stmt_with_phi): Remove.
17377         (dump_referenced_vars): Tidy.
17378         (get_ref_base_and_extent): Allow bare decls.
17379         (collect_dfa_stats): Adjust.
17380         * graphite.c (rename_variables_in_stmt): Adjust.
17381         (graphite_copy_stmts_from_block): Likewise.
17382         (translate_clast): Likewise.
17383         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
17384         (EXPR_DIES): New.
17385         (translate_vuse_through_block): Use the oracle.
17386         (phi_translate_1): Adjust.
17387         (value_dies_in_block_x): Use the oracle.  Cache the outcome
17388         in EXPR_DIES.
17389         (valid_in_sets): Check if the VUSE for
17390         a REFERENCE is available.
17391         (eliminate): Do not remove stmts during elimination,
17392         instead queue and remove them afterwards.
17393         (do_pre): Do not rebuild alias info.
17394         (pass_pre): Run TODO_rebuild_alias before PRE.
17395         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
17396         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
17397         (mark_all_v_defs_stmt): Remove.
17398         (mark_all_v_defs_seq): Adjust.
17399         (sra_replace): Likewise.
17400         (scalarize_use): Likewise.
17401         (scalarize_copy): Likewise.
17402         (scalarize_init): Likewise.
17403         (scalarize_ldst): Likewise.
17404         (todoflags): Remove.
17405         (tree_sra): Do not rebuild alias info.
17406         (tree_sra_early): Adjust.
17407         (pass_sra): Run TODO_update_address_taken before SRA.
17408         * tree-predcom.c (set_alias_info): Remove.
17409         (prepare_initializers_chain): Do not call it.
17410         (mark_virtual_ops_for_renaming): Adjust.
17411         (mark_virtual_ops_for_renaming_list): Remove.
17412         (initialize_root_vars): Adjust.
17413         (initialize_root_vars_lm): Likewise.
17414         (prepare_initializers_chain): Likewise.
17415         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
17416         (may_propagate_copy_into_stmt): Likewise.
17417         (merge_alias_info): Do nothing for now.
17418         (propagate_tree_value_into_stmt): Adjust.
17419         (stmt_may_generate_copy): Likewise.
17420         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
17421         not mark symbols for renaming.
17422         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
17423         with the same statement, make sure to update the new pointed-to one.
17424         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
17425         call statements, do not mark symbols for renaming.
17426         (mark_operand_necessary): Dump something.
17427         (ref_may_be_aliased): New function.
17428         (mark_aliased_reaching_defs_necessary_1): New helper function.
17429         (mark_aliased_reaching_defs_necessary): Likewise.
17430         (mark_all_reaching_defs_necessary_1): Likewise.
17431         (mark_all_reaching_defs_necessary): Likewise.
17432         (propagate_necessity): Do not process virtual PHIs.  For
17433         non-aliased loads mark all reaching definitions as necessary.
17434         For aliased loads and stores mark the immediate dominating
17435         aliased clobbers as necessary.
17436         (visited): New global static.
17437         (perform_tree_ssa_dce): Free visited bitmap after propagating
17438         necessity.
17439         (remove_dead_phis): Perform simple dead virtual PHI removal.
17440         (remove_dead_stmt): Properly unlink virtual operands when
17441         removing stores.
17442         (eliminate_unnecessary_stmts): Schedule PHI removal after
17443         stmt removal.
17444         * tree-ssa-ter.c (is_replaceable_p): Adjust.
17445         (process_replaceable): Likewise.
17446         (find_replaceable_in_bb): Likewise.
17447         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
17448         based on the single gimple vop.
17449         (verify_flow_insensitive_alias_info): Remove.
17450         (verify_flow_sensitive_alias_info): Likewise.
17451         (verify_call_clobbering): Likewise.
17452         (verify_memory_partitions): Likewise.
17453         (verify_alias_info): Likewise.
17454         (verify_ssa): Adjust..
17455         (execute_update_addresses_taken): Export.  Update SSA
17456         manually.  Optimize only when optimizing.  Use a local bitmap.
17457         (pass_update_address_taken): Remove TODO_update_ssa, add
17458         TODO_dump_func.
17459         (pass_update_address_taken): Just use TODO_update_address_taken.
17460         (init_tree_ssa): Do not initialize addressable_vars.
17461         (verify_ssa): Verify new VUSE / VDEF properties.
17462         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
17463         Do not call verify_alias_info.
17464         (delete_tree_ssa): Clear the VUSE, VDEF operands.
17465         Do not free the loaded and stored syms bitmaps.  Reset the escaped
17466         and callused solutions.  Do not free addressable_vars.
17467         Remove memory-tag related code.
17468         (warn_uninitialized_var): Aliases are always available.
17469         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
17470         * lambda-code.c (can_put_in_inner_loop): Adjust.
17471         (can_put_after_inner_loop): Likewise.
17472         (perfect_nestify): Likewise.
17473         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
17474         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
17475         (vectorizable_conversion): Do not mark symbols for renaming.
17476         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
17477         (expand_call_inline): Unlink the calls virtual operands before
17478         replacing it.
17479         (tree_function_versioning): Do not call update_ssa if we are not
17480         updating clones.  Simplify.
17481         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
17482         (propagate_with_phi): Likewise..
17483         * tree-outof-ssa.c (create_temp): Remove memory tag and call
17484         clobber code.  Assert we are not aliased or global.
17485         * tree-flow.h: Include tree-ssa-alias.h
17486         (enum escape_type): Remove.
17487         (struct mem_sym_stats_d): Likewise.
17488         (struct mem_ref_stats_d): Likewise.
17489         (struct gimple_df): Add vop member.  Remove global_var,
17490         call_clobbered_vars, call_used_vars, addressable_vars,
17491         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
17492         escaped and callused members.
17493         (struct ptr_info_def): Remove all members, add points-to solution
17494         member pt.
17495         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
17496         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
17497         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
17498         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
17499         (tree-ssa-alias.o): Likewise.
17500         (toplev.o): Add tree-ssa-alias.h
17501         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
17502         * gimple.c (gimple_set_bb): Fix off-by-one error.
17503         (is_gimple_reg): Do not handle memory tags.
17504         (gimple_copy): Also copy virtual operands.
17505         Delay updating the statement.  Do not reset loaded and stored syms.
17506         (gimple_set_stored_syms): Remove.
17507         (gimple_set_loaded_syms): Likewise.
17508         (gimple_call_copy_skip_args): Copy the virtual operands
17509         and mark the new statement modified.
17510         * tree-ssa-structalias.c (may_alias_p): Remove.
17511         (set_uids_in_ptset): Take the alias set to prune with as
17512         parameter.  Fold in the alias test of may_alias_p.
17513         (compute_points_to_sets): Compute whether a ptr is dereferenced
17514         in a local sbitmap.
17515         (process_constraint): Deal with &ANYTHING on the lhs, reject all
17516         other ADDRESSOF constraints on the lhs.
17517         (get_constraint_for_component_ref): Assert that we don't get
17518         ADDRESSOF constraints from the base of the reference.
17519         Properly generate UNKNOWN_OFFSET for DEREF if needed.
17520         (struct variable_info): Remove collapsed_to member.
17521         (get_varinfo_fc): Remove.
17522         (new_var_info): Do not set collapsed_to.
17523         (dump_constraint): Do not follow cycles.
17524         (dump_constraint_graph): Likewise.
17525         (build_pred_graph): Likewise.
17526         (build_succ_graph): Likewise.
17527         (rewrite_constraints): Likewise.
17528         (do_simple_structure_copy): Remove.
17529         (do_rhs_deref_structure_copy): Remove.
17530         (do_lhs_deref_structure_copy): Remove.
17531         (collapse_rest_of_var): Remove.
17532         (do_structure_copy): Re-implement.
17533         (pta_stats): New global variable.
17534         (dump_pta_stats): New function.
17535         (struct constraint_expr): Make offset signed.
17536         (UNKNOWN_OFFSET): Define special value.
17537         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
17538         (solution_set_expand): New helper function split out from ...
17539         (do_sd_constraint): ... here.
17540         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
17541         (do_ds_constraint): Likewise.
17542         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
17543         and CALLUSED = *CALLUSED.
17544         (set_union_with_increment): Make inc argument signed.
17545         (type_safe): Remove.
17546         (get_constraint_for_ptr_offset): Handle unknown and negative
17547         constant offsets.
17548         (first_vi_for_offset): Handle offsets before start.  Bail
17549         out early for offsets beyond the variable extent.
17550         (first_or_preceding_vi_for_offset): New function.
17551         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
17552         Together with ESCAPED = *ESCAPED this properly computes reachability.
17553         (find_what_var_points_to): New function.
17554         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
17555         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
17556         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
17557         pt_solutions_intersect): New functions.
17558         (compute_call_used_vars): Remove.
17559         (compute_may_aliases): New main entry into PTA computation.
17560         * gimple.h (gimple_p): New typedef.
17561         (struct gimple_statement_base): Remove references_memory_p.
17562         (struct gimple_statement_with_memory_ops_base): Remove
17563         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
17564         members.
17565         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
17566         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
17567         gimple_set_references_memory): Remove.
17568         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
17569         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
17570         New functions.
17571         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
17572         (verify_expr): Allow RESULT_DECL.
17573         (gimple_duplicate_bb): Do not copy virtual operands.
17574         (gimple_duplicate_sese_region): Adjust.
17575         (gimple_duplicate_sese_tail): Likewise.
17576         (mark_virtual_ops_in_region): Remove.
17577         (move_sese_region_to_fn): Do not call it.
17578         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
17579         and pass_simple_dse.
17580         (execute_function_todo): Handle TODO_update_address_taken,
17581         call execute_update_addresses_taken for TODO_rebuild_alias.
17582         (execute_todo): Adjust.
17583         (execute_one_pass): Init dump files early.
17584         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
17585         call-clobbered.
17586         (create_general_new_stmt): Clear vops.
17587         * tree-ssa-reassoc.c (get_rank): Adjust.
17588         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
17589         symbols for renaming.
17590         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
17591         (PARAM_AVG_ALIASED_VOPS): Likewise.
17592         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
17593         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
17594         * tree-ssa-operands.c: Simplify for new virtual operand representation.
17595         (operand_build_cmp, copy_virtual_operands,
17596         create_ssa_artificial_load_stmt, add_to_addressable_set,
17597         gimple_add_to_addresses_taken): Remove public functions.
17598         (unlink_stmt_vdef): New function.
17599
17600 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
17601
17602         * config.gcc (powerpc-*-linux*): Merge variants.
17603
17604 2009-04-02  Chao-ying Fu  <fu@mips.com>
17605             James Grosbach  <james.grosbach@microchip.com>
17606
17607         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
17608         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
17609         cop0_sp_offset.
17610         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
17611         keep_interrupts_masked_p, use_debug_exception_return_p.
17612         (mips_attribute_table): Add interrupt, use_shadow_register_set,
17613         keep_interrupts_masked, use_debug_exception_return.
17614         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
17615         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
17616         New functions.
17617         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
17618         (mips_print_operand): Process COP0 registers to print $0 .. $31
17619         correctly for GAS to process.
17620         (mips_interrupt_extra_call_saved_reg_p): New function.
17621         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
17622         extra registers.
17623         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
17624         (mips_compute_frame_info): Add supports for interrupt context that
17625         includes doubleword accumulators and COP0 registers.
17626         (mips_for_each_saved_acc): New function.
17627         (mips_for_each_saved_gpr_and_fpr): Change the function name from
17628         mips_for_each_saved_reg.
17629         (mips_save_reg): Save accumulators.
17630         (mips_kernel_reg_p): A new for_each_rtx callback.
17631         (mips_expand_prologue): Support interrupt handlers.
17632         (mips_restore_reg): Restore accumulators.
17633         (mips_expand_epilogue): Support interrupt handlers.
17634         (mips_can_use_return_insn): Return false for interrupt handlers.
17635         (mips_epilogue_uses): New function.
17636         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
17637         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
17638         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
17639         cop0_move): New instructions.
17640         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
17641         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
17642         defines.
17643         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
17644         New defines.
17645         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
17646         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
17647         interrupt handlers, we use K0 as the temporary register.
17648         (EPILOGUE_USES): Change to a function call.
17649         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
17650         handlers, we use K0 as the temporary register.
17651
17652         * doc/extend.texi (Function Attributes): Document interrupt,
17653         use_shadow_register_set, keep_interrupts_masked,
17654         use_debug_exception_return for MIPS attributes.
17655
17656 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
17657
17658         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
17659         Remove a number of t-files from tmake_file.
17660         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
17661         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
17662         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
17663         target_prototype, not TARGET_PROTOTYPE.
17664         (LINK_OS_GNU_SPEC): Define.
17665         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
17666         and darwin-ldoubdle.c.
17667
17668 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
17669
17670         PR driver/39293
17671         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
17672         (cpp_options): Ditto.
17673         (default_compilers): Ditto.
17674         (display_help): Ditto.
17675         (process_command): Ditto.
17676         (do_spec_1): Ditto.
17677         (set_input): Use lbasename instead of duplicate code.
17678         (save_temps_prefix): New static for -save-temps=obj.
17679         (save_temps_length): Ditto.
17680
17681         * doc/invoke.texi (-save-temps=obj): Document new variant to
17682         -save-temps switch.
17683
17684 2009-04-02  Jeff Law  <law@redhat.com>
17685
17686         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
17687         variable.
17688
17689 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
17690
17691         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
17692         * configure: Regenerated.
17693
17694 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
17695
17696         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
17697         share the argument list.
17698
17699 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
17700
17701         Merge
17702
17703         2009-02-12  Diego Novillo  <dnovillo@google.com>
17704
17705         * varpool.c (debug_varpool): New.
17706         * cgraph.h (debug_varpool): Declare.
17707
17708 2009-04-02  Jan Hubicka  <jh@suse.cz>
17709
17710         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
17711         pass.
17712
17713 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
17714
17715         * config/i386/i386.c (ix86_abi): Move initialization to ...
17716         (override_options): Here.
17717
17718 2009-04-02  Christian Bruel  <christian.bruel@st.com>
17719
17720         * config/sh/sh.c (sh_dwarf_register_span): New function.
17721         (TARGET_DWARF_REGISTER_SPAN): Define.
17722         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
17723
17724 2009-04-02  Ira Rosen  <irar@il.ibm.com>
17725
17726         PR tree-optimization/39595
17727         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
17728         interleaved loads group is not  greater than the SLP group size.
17729
17730 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
17731
17732         * builtins.c (is_builtin_name): New.
17733         (called_as_built_in): Use is_builtin_name.
17734         * tree.h (is_builtin_name): New.
17735         * varasm.c (incorporeal_function_p): Use is_builtin_name
17736
17737 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
17738
17739         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
17740
17741 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
17742
17743         PR c++/26693
17744         * c-decl.c (clone_underlying_type): Move this ...
17745         * c-common.c (set_underlying_type): ... here.
17746         Also, make sure the function properly sets TYPE_STUB_DECL() on
17747         the newly created typedef variant type.
17748         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
17749         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
17750         points.
17751
17752 2009-04-02  Richard Guenther  <rguenther@suse.de>
17753
17754         PR tree-optimization/37221
17755         * tree-flow.h (degenerate_phi_result): Declare.
17756         * tree-ssa-dom.c (degenerate_phi_result): Export.
17757         * tree-scalar-evolution.c (analyze_initial_condition): If
17758         the initial condition is defined by a degenerate PHI node
17759         use the degenerate value.
17760
17761 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
17762
17763         PR rtl-optimization/39588
17764         * combine.c (merge_outer_ops): Do not set the constant when this
17765         is not necessary.
17766         (simplify_shift_const_1): Do not modify it either in this case.
17767
17768 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
17769
17770         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
17771         tuning is deprecated if -mtune value is set to an Itanium1 variant.
17772
17773 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
17774
17775         PR c/29027
17776         * c-lex.c (interpret_float): Default (no suffix) is double.
17777
17778 2009-04-1  Xinliang David Li  <davidxl@google.com>
17779
17780         * config/i386/i386.c (legitimate_constant_p): Recognize
17781         all one vector constant.
17782
17783 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17784
17785         * config/vax/vax.c: Add #includes to silence warnings.
17786         Change #include order to silence two warnings.
17787
17788 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17789
17790         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
17791         (ASM_SPEC): Pass -k to the assembler for PIC code.
17792
17793 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17794
17795         * config.gcc: Add vax-*-linux* to the switch.
17796         * config/vax/linux.h: New file. (TARGET_VERSION,
17797         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
17798
17799 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17800
17801         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
17802         Use predicate macros instead of GET_CODE() == foo.
17803         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
17804         ashlsi3, rotrsi3, <unnamed>): Likewise.
17805
17806 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17807
17808         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
17809         jbbccihi, jbbccisi): Remova trailing whitespace.
17810         * config/vax/constraints.md: Likewise.
17811         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
17812         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
17813         * config/vax/predicates.md: Likewise.
17814         * config/vax/vax.c (print_operand_address, vax_output_int_move,
17815         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
17816         * config/vax/vax.h: Likewise.
17817         * config/vax/vax.md (nonlocal_goto): Likewise.
17818
17819 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17820
17821         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
17822         (indirectable_address_p, adjacent_operands_p): Add spaces around
17823         braces.
17824         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
17825
17826 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17827
17828         * config/vax/vax.c (legitimate_constant_address_p,
17829         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
17830         index_term_p, reg_plus_index_p, legitimate_address_p,
17831         vax_mode_dependent_address_p): Update comments to match functions
17832         modified by the recent int->bool conversion.
17833
17834 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17835
17836         * config/vax/builtins.md: Update copyright message.
17837         * config/vax/constraints.md: Likewise.
17838         * config/vax/netbsd-elf.h: Likewise.
17839         * config/vax/predicates.md: Likewise.
17840         * config/vax/vax-protos.h: Likewise.
17841         * config/vax/vax.c: Likewise.
17842         * config/vax/vax.h: Likewise.
17843         * config/vax/vax.md: Likewise.
17844         * config/vax/vax.opt: Likewise.
17845
17846 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17847
17848         * config/vax/builtins.md (ffssi2, ffssi2_internal,
17849         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
17850         * config/vax/constraints.md (B, R): Likewise.
17851         * config/vax/predicates.md (external_memory_operand,
17852         nonimmediate_addsub_di_operand): Likewise.
17853         * config/vax/vax.c (vax_output_int_add): Likewise.
17854         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
17855         untyped_call): Likewise.
17856
17857 2009-04-01  Matt Thomas  <matt@3am-software.com>
17858
17859         * config/vax/predicates.md: New file.
17860         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
17861         external_const_operand, nonsymbolic_operand, external_memory_operand,
17862         indirect_memory_operand, indexed_memory_operand,
17863         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
17864         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
17865         predicate.
17866         * config/vax/constraints.md: New file.
17867         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
17868         New constraint.
17869         * config/vax/builtins.md: New file.
17870         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
17871         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
17872         jbbccisi): Define.
17873         * config/vax/vax.opt (mqmath): Add option.
17874         * config/vax/vax.md (isfx): Extend with DI.
17875         (VAXintQH, VAXintQHSD): Define.
17876         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
17877         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
17878         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
17879         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
17880         (movdi): Update constraints and use vax_output_int_move().
17881         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
17882         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
17883         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
17884         nonlocal_goto): New.
17885         (mov<mode>): Extend accepted operand types.
17886         (subdi3_old): Rename from subdi3, change update constraints and use
17887         a new implementation.
17888         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
17889         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
17890         MOVE_RATIO, CLEAR_RATIO): Define.
17891         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
17892         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17893         (PRINT_OPERAND): Redefine using a function instead of inlined code.
17894         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
17895         (split_quadword_operands): Make static and really allow variable
17896         splitting.
17897         (print_operand_address): Update for PIC generation.
17898         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
17899         indexable_address_p, fixup_mathdi_operand,
17900         vax_expand_addsub_di_operands, adjacent_operands_p): New.
17901         (vax_float_literal, legitimate_constant_p,
17902         indirectable_constant_address_p, index_term_p,
17903         reg_plus_index_p): Return bool instead of int.
17904         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
17905         where needed.
17906         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
17907         generation.
17908         (vax_output_conditional_branch): Indent.
17909         (legitimate_constant_address_p, indirectable_constant_address_p,
17910         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
17911         vax_mode_dependent_address_p): Return bool instead of int, update for
17912         PIC generation.
17913         * config/vax/vax-protos.h (legitimate_constant_address_p,
17914         legitimate_constant_p, legitimate_address_p,
17915         vax_mode_dependent_address_p): Change declaration to bool.
17916         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
17917         vax_expand_addsub_di_operands, vax_output_int_subtract,
17918         vax_output_movmemsi): Declare.
17919         (split_quadword_operands, vax_float_literal): Delete declaration.
17920         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
17921         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
17922         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
17923         ASM_OUTPUT_DWARF_PCREL): Define.
17924         (ASM_SPEC): Change definition to allow PIC generation.
17925
17926 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
17927
17928         * doc/sourcebuild.texi: Update front-end requirements.
17929
17930 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
17931
17932         PR target/39226
17933         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
17934         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
17935         (booldi3_internal3): Use boolean_or_operator instead of
17936         boolean_operator.
17937
17938 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
17939
17940         PR c/39605
17941         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
17942         declarator whose size is not an integer constant expression but
17943         folds to an integer constant, then treat it as a constant
17944         subsequently.
17945
17946 2009-04-01  Richard Guenther  <rguenther@suse.de>
17947
17948         * fold-const.c (fold_plusminus_mult_expr): Do not fold
17949         i * 4 + 2 to (i * 2 + 1) * 2.
17950
17951 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
17952
17953         PR c/37772
17954         * c-parser.c (c_parser_asm_statement): Skip until close paren and
17955         return if c_parser_asm_string_literal returned NULL.
17956
17957 2009-04-01  Nick Clifton  <nickc@redhat.com>
17958
17959         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
17960         already defined.
17961         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
17962         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
17963         other typedefs to avoid conflicts with libgcc2.c.  Define labels
17964         to gain 16-bit bit-manipulation functions from libgcc2.c and then
17965         include it.
17966         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
17967         to gain 16-bit trapping arithmetic functions from libgcc2.c and
17968         then include it.
17969
17970 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
17971
17972         * varasm.c (default_function_rodata_section): Declare DOT as
17973         const char*.
17974
17975 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
17976             Andrey Galkin  <agalkin@hypercom.com>
17977
17978         PR/39492
17979         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
17980         Make object_name unique for each process.
17981
17982 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
17983
17984         PR other/39591
17985         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
17986         addressable variables in the parallel that could go out of scope while
17987         running queued tasks.
17988
17989 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
17990
17991         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
17992         (CASE_VALUES_THRESHOLD): Redefine.
17993         * config/avr/avr.c (avr_override_options): Remove initialization of
17994         avr_case_values_threshold variable.
17995         (avr_case_values_threshold): Remove variable. Add new function.
17996         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
17997         * config/avr/avr.opt (mno-tablejump): Remove option.
17998         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
17999
18000 2009-04-01  DJ Delorie  <dj@redhat.com>
18001
18002         * varasm.c (default_function_rodata_section): Don't assume
18003         anything about where the first '.' in the section name is.
18004
18005 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
18006
18007         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
18008         rs6000_emit_stack_tie.
18009
18010 2009-03-31  Ian Lance Taylor  <iant@google.com>
18011
18012         * tree-eh.c (tree_remove_unreachable_handlers): Compare
18013         gimple_code with GIMPLE_RESX, not RESX.
18014
18015 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
18016
18017         * c-common.c (c_get_ident): New.
18018         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
18019
18020 2009-04-01  Ben Elliston  <bje@au.ibm.com>
18021
18022         * config/rs6000/sysv4.opt (msdata): Improve option description.
18023
18024 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
18025
18026         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
18027         (divdf3_internal_lat): Remove.
18028         (divxf3_internal_lat): Remove.
18029         (divxf3_internal_thr): Remove.
18030         (divxf): Use divxf3_internal.
18031         * config/ia64/div.md (divsf3_internal_lat): New.
18032         (divdf3_internal_lat): New.
18033         (divxf3_internal): New.
18034
18035 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
18036
18037         PR c/448
18038         * Makefile.in (USE_GCC_STDINT): Define.
18039         (stmp-int-hdrs): Install stdint.h if applicable.
18040         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
18041         if known.
18042         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
18043         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
18044         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
18045         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
18046         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
18047         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
18048         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
18049         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
18050         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
18051         (c_common_nodes_and_builtins): Initialize
18052         underlying_wchar_type_node.  Do not initialize
18053         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
18054         nodes for new types.
18055         (c_stddef_cpp_builtins): Define macros for new types.
18056         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
18057         Remove.
18058         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
18059         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
18060         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
18061         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
18062         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
18063         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
18064         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
18065         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
18066         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
18067         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
18068         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
18069         int16_type_node, int32_type_node, int64_type_node,
18070         uint8_type_node, uint16_type_node, c_uint32_type_node,
18071         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
18072         int_least32_type_node, int_least64_type_node,
18073         uint_least8_type_node, uint_least16_type_node,
18074         uint_least32_type_node, uint_least64_type_node,
18075         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
18076         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
18077         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
18078         uintptr_type_node): Define.
18079         * c-cppbuiltin.c (builtin_define_constants,
18080         builtin_define_type_minmax): New.
18081         (builtin_define_stdint_macros): Define more macros.
18082         (c_cpp_builtins): Define more limit macros.
18083         (type_suffix): New.
18084         (builtin_define_type_max): Define in terms of
18085         builtin_define_type_minmax.  Remove is_long parameter.  All
18086         callers changed.
18087         * config.gcc (use_gcc_stdint): Define.
18088         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
18089         Add newlib-stdint.h for generic targets.
18090         * config/glibc-stdint.h, config/newlib-stdint.h,
18091         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
18092         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
18093         * config/score/score.h (UINTPTR_TYPE): Define.
18094         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
18095         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
18096         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
18097         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
18098         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
18099         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
18100         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
18101         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
18102         * config/spu/spu.h (STDINT_LONG32): Define.
18103         * configure.ac (use_gcc_stdint): Substitute.
18104         * configure: Regenerate.
18105         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
18106         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
18107         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
18108         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
18109         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
18110         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
18111         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
18112         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
18113         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
18114         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
18115         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
18116         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
18117         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
18118         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
18119         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
18120         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
18121         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
18122         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
18123         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
18124         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
18125         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
18126         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
18127         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
18128         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
18129         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
18130         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
18131         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
18132         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
18133         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
18134
18135 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
18136
18137         * loop-iv.c (suitable_set_for_replacement): Renamed from
18138         simplify_using_assignment; changed to return bool and to accept new
18139         args DEST and SRC.  Return true iff we find a source/destination pair
18140         that can be used to make a replacement, and fill SRC and DEST if so.
18141         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
18142         changed.
18143         (simplify_using_initial_values): Deal with altered regs here and track
18144         more precisely the effect they have on the validity of our expression.
18145
18146         * loop-iv.c (simplify_using_condition): A condition of the form
18147         (EQ REG CONST) can be used to simply make a substitution.
18148         (simplify_using_initial_values): Keep track of conditions we have seen
18149         and keep using them to simplify new expressions, while applying the
18150         same substitutions to them as to the expression.
18151
18152         * simplify-rtx.c (simplify_relational_operation_1): Simplify
18153         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
18154         GEU/LTU reversed.
18155
18156         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
18157         changed.  Use this when trying to improve the upper bound.
18158         Generate the comparison by using simplify_gen_relational.
18159
18160         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
18161
18162         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
18163         functions.
18164         (simplify_using_assignment, simplify_using_initial_values): Call
18165         replace_in_expr to make replacements.  Call replace_single_def_regs
18166         once on the initial version of the expression.
18167
18168 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
18169
18170         PR target/27237
18171         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
18172
18173 2009-03-31  Richard Guenther  <rguenther@suse.de>
18174
18175         PR middle-end/31029
18176         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
18177         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
18178
18179 2009-03-31  Richard Guenther  <rguenther@suse.de>
18180
18181         * tree.h (div_if_zero_remainder): Declare.
18182         * fold-const.c (div_if_zero_remainder): Export.
18183         * tree-ssa-forwprop.c
18184         (forward_propagate_addr_into_variable_array_index): Handle
18185         constant array index addition outside of the variable index.
18186
18187 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
18188
18189         PR target/39592
18190         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
18191         define_splits, floatunssi<mode>2): Require x87 conversions from
18192         DImode to be permitted.
18193
18194 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
18195
18196         PR preprocessor/15638
18197         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
18198
18199 2009-03-31  Richard Guenther  <rguenther@suse.de>
18200
18201         PR middle-end/23401
18202         PR middle-end/27810
18203         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
18204         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
18205         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
18206         a separate statement.
18207         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
18208         (lookup_tmp_var): Likewise.
18209         (is_gimple_formal_tmp_or_call_rhs): Remove.
18210         (is_gimple_reg_or_call_rhs): Rename to ...
18211         (is_gimple_reg_rhs_or_call): ... this.
18212         (is_gimple_mem_or_call_rhs): Rename to ...
18213         (is_gimple_mem_rhs_or_call): ... this.
18214         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
18215         DECL_GIMPLE_REG_P only if is_formal is true.
18216         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
18217         for non-proper post-modify expression gimplification.
18218         (gimplify_self_mod_expr): For post-modify expressions gimplify
18219         the lvalue to a minimal lvalue.
18220         (rhs_predicate_for): Remove formal temp case.
18221         (gimplify_modify_expr_rhs): Likewise.
18222         (gimplify_addr_expr): Use is_gimple_reg.
18223         (gimplify_expr): Remove formal temp cases.
18224         (gimple_regimplify_operands): Likewise.
18225         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
18226         and FILTER_EXPR like constants.
18227         * gimple.c (walk_gimple_op): Fix val_only initialization, use
18228         is_gimple_reg.
18229         (is_gimple_formal_tmp_rhs): Remove.
18230         (is_gimple_reg_rhs): Remove special casing.
18231         (is_gimple_mem_rhs): Fix.
18232         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
18233         (is_gimple_formal_tmp_var): Remove.
18234         (is_gimple_formal_tmp_reg): Likewise.
18235         (is_gimple_min_lval): Allow invariant component ref parts.
18236         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
18237         is_gimple_formal_tmp_reg): Remove declarations.
18238         * tree-cfg.c (verify_expr): Verify that variables with address
18239         taken do not have DECL_GIMPLE_REG_P set.
18240         * tree-mudflap.c (mf_build_check_statement_for): Use
18241         force_gimple_operand instead of gimplify_expr.
18242
18243 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
18244
18245         * modulo-sched.c (sms_schedule_by_order): Pass the actual
18246         schedulable rows to compute_split_row.
18247
18248 2009-03-31  Ben Elliston  <bje@au.ibm.com>
18249
18250         PR target/31635
18251         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
18252         OPT_mvrsave.
18253
18254 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
18255
18256         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
18257         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
18258         * configure: Regenerate.
18259         * config.in: Regenerate.
18260         * config/rs6000/rs6000.opt (mtls-markers): Add.
18261         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
18262         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
18263         (tls_ld_aix, tls_ld_sysv): Likewise.
18264         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
18265         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
18266
18267 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
18268
18269         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
18270
18271 2009-03-30  Jan Hubicka  <jh@suse.cz>
18272
18273         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
18274         out of RESX.
18275         (tree_remove_unreachable_handlers): Cleanup EH predecestor
18276         detection and label handling.
18277
18278 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
18279
18280         * ira-int.h (ira_allocno): Rename left_conflicts_num to
18281         left_conflicts_size.
18282         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
18283         ALLOCNO_LEFT_CONFLICTS_SIZE.
18284
18285         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
18286         remove_allocno_from_bucket_and_push,
18287         allocno_spill_priority_compare, push_allocnos_to_stack,
18288         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
18289         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
18290         (setup_allocno_left_conflicts_num): Ditto.  Rename to
18291         setup_allocno_left_conflicts_size.
18292         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
18293         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
18294         setup_allocno_left_conflicts_size instead of
18295         setup_allocno_left_conflicts_num.
18296
18297         * ira-build.c (ira_create_allocno): Use
18298         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
18299         ALLOCNO_LEFT_CONFLICTS_NUM.
18300
18301 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
18302
18303         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
18304         instead of DF_LR_OUT.
18305
18306         * ira-lives.c (process_bb_node_lives): Ditto.
18307
18308         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
18309         instead of DF_LR_{OUT,IN}.
18310
18311         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
18312
18313         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
18314
18315 2009-03-30  Jan Hubicka  <jh@suse.cz>
18316
18317         * except.c (label_to_region_map): Fix thinko.
18318
18319 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
18320
18321         PR middle-end/38237
18322         * tree.h (tree_find_value): New declaration.
18323         * tree.c (tree_find_value): New function.
18324         * varasm.c (assemble_external): Avoid duplicate entries on lists.
18325
18326 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
18327
18328         PR debug/39563
18329         * c-decl.c (struct c_binding): Add locus field.
18330         (bind): Add locus argument, set locus field from it.
18331         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
18332         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
18333         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
18334         implicitly_declare, undeclared_variable, lookup_label,
18335         declare_label, c_make_fname_decl, c_builtin_function,
18336         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
18337         bind callers.
18338
18339 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
18340
18341         PR target/38781
18342         * config/i386/i386.c (classify_argument): Check total size of
18343         structure.
18344
18345 2009-03-30  Martin Jambor  <mjambor@suse.cz>
18346
18347         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
18348         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
18349         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
18350         respectively.
18351
18352         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
18353         seen_variable_array_ref while also traversing a union.
18354
18355         * tree-inline.c (optimize_inline_calls): Do not call
18356         cgraph_node_remove_callees.
18357         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
18358         (pass_remove_cgraph_callee_edges): New variable.
18359         * passes.c (init_optimization_passes): Add
18360         pass_remove_cgraph_callee_edges after early inlining and before all
18361         late intraprocedural passes.
18362
18363         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
18364
18365 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
18366
18367         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
18368         Fix typos in names.
18369
18370 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
18371
18372         * combine.c (simplify_comparison): Use have_insn_for.
18373         * dojump.c (do_jump): Likewise.
18374
18375 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
18376
18377         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
18378         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
18379         sparc_compare_op0 like sparc_compare_emitted used to be handled.
18380         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
18381         instead of sparc_compare_emitted.
18382         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
18383         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
18384         instead of sparc_compare_emitted.
18385
18386 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
18387
18388         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
18389         enter/exit cfglayout mode.
18390         (pass_partition_block): Require it.
18391         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
18392         (combine_instructions): Track basic blocks instead of labels.
18393         (update_cfg_for_uncondjump): New.
18394         (try_combine): Use it.  Update jumps after rescanning.
18395         (pass_combine): Require PROP_cfglayout.
18396         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
18397
18398 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
18399
18400         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
18401         Provide/destroy PROP_cfglayout respectively.
18402         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
18403         * tree-pass.h (PROP_cfglayout): New.
18404
18405 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
18406
18407         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
18408         fold_convert_const_fixed_from_fixed,
18409         fold_convert_const_fixed_from_int,
18410         fold_convert_const_fixed_from_real, fold_negate_const): Do not
18411         set TREE_CONSTANT_OVERFLOW.
18412         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
18413         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
18414
18415 2009-03-30  Ira Rosen  <irar@il.ibm.com>
18416
18417         * tree-vect-loop-manip.c: New file.
18418         * tree-vectorizer.c: Update documentation and included files.
18419         (vect_loop_location): Make extern.
18420         (rename_use_op): Move to tree-vect-loop-manip.c
18421         (rename_variables_in_bb, rename_variables_in_loop,
18422         slpeel_update_phis_for_duplicate_loop,
18423         slpeel_update_phi_nodes_for_guard1,
18424         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
18425         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
18426         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
18427         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
18428         find_loop_location): Likewise.
18429         (new_stmt_vec_info): Move to tree-vect-stmts.c.
18430         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
18431         get_vectype_for_scalar_type, vect_is_simple_use,
18432         supportable_widening_operation, supportable_narrowing_operation):
18433         Likewise.
18434         (bb_in_loop_p): Move to tree-vect-loop.c.
18435         (new_loop_vec_info, destroy_loop_vec_info,
18436         reduction_code_for_scalar_code, report_vect_op,
18437         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
18438         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
18439         (vect_supportable_dr_alignment): Likewise.
18440         * tree-vectorizer.h (tree-data-ref.h): Include.
18441         (vect_loop_location): Declare.
18442         Reorganize function declarations according to the new file structure.
18443         * tree-vect-loop.c: New file.
18444         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
18445         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
18446         * tree-vect-data-refs.c: New file.
18447         * tree-vect-patterns.c (timevar.h): Don't include.
18448         * tree-vect-stmts.c: New file.
18449         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
18450         tree-vect-slp.c, tree-vect-loop.c.
18451         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
18452         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
18453         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
18454         (tree-vect-analyze.o): Remove.
18455         (tree-vect-transform.o): Likewise.
18456         (tree-vect-data-refs.o): Add rule.
18457         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
18458         tree-vect-slp.o): Likewise.
18459         (tree-vect-patterns.o): Remove redundant dependencies.
18460         (tree-vectorizer.o): Likewise.
18461         * tree-vect-slp.c: New file.
18462
18463 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18464
18465         * optc-gen.awk: Warn if an option flag has multiple different
18466         help strings.
18467
18468 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
18469
18470         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
18471         -floop-block): Document dependences on PPL, CLooG and Graphite.
18472
18473 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
18474
18475         PR rtl-optimization/323
18476         * c-common.c (c_fully_fold, convert_and_check,
18477         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
18478         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
18479         * c-common.def (EXCESS_PRECISION_EXPR): New.
18480         * c-cppbuiltin.c (builtin_define_float_constants): Define
18481         constants with enough digits for long double.
18482         * c-lex.c (interpret_float): Interpret constant with excess
18483         precision where appropriate.
18484         * c-opts.c (c_common_post_options): Set
18485         flag_excess_precision_cmdline.  Give an error for
18486         -fexcess-precision=standard for C++ for processors where the
18487         option is significant.
18488         * c-parser.c (c_parser_conditional_expression): Handle excess
18489         precision in condition.
18490         * c-typeck.c (convert_arguments): Handle arguments with excess
18491         precision.
18492         (build_unary_op): Move excess precision outside operation.
18493         (build_conditional_expr): Likewise.
18494         (build_compound_expr): Likewise.
18495         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
18496         (build_modify_expr): Handle excess precision in RHS.
18497         (convert_for_assignment): Handle excess precision in converted
18498         value.
18499         (digest_init, output_init_element, process_init_element): Handle
18500         excess precision in initializer.
18501         (c_finish_return): Handle excess precision in return value.
18502         (build_binary_op): Handle excess precision in operands and add
18503         excess precision as needed for operation.
18504         * common.opt (-fexcess-precision=): New option.
18505         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
18506         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
18507         For standard excess precision, output explicit conversion to and
18508         truncation from XFmode.
18509         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
18510         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
18511         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
18512         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
18513         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
18514         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
18515         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
18516         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
18517         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
18518         define_splits, sqrt<mode>2): Disable where appropriate for
18519         standard excess precision.
18520         * convert.c (convert_to_real): Do not shorten arithmetic to type
18521         for which excess precision would be used.
18522         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
18523         * doc/invoke.texi (-fexcess-precision=): Document option.
18524         (-mfpmath=): Correct index entry.
18525         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
18526         flag_excess_precision): New.
18527         * langhooks.c (lhd_post_options): Set
18528         flag_excess_precision_cmdline.
18529         * opts.c (common_handle_option): Handle -fexcess-precision=.
18530         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
18531         init_excess_precision): New.
18532         (lang_dependent_init_target): Call init_excess_precision.
18533         * tree.c (excess_precision_type): New.
18534         * tree.h (excess_precision_type): Declare.
18535
18536 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
18537
18538         PR c/35235
18539         * c-typeck.c (build_component_ref): Do not copy qualifiers from
18540         non-lvalue to component.
18541
18542 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
18543
18544         PR preprocessor/34695
18545         * Makefile.in (c-opts.o): Depend on c-tree.h.
18546         * c-common.c: Move down include of diagnostic.h.
18547         (done_lexing, c_cpp_error): New.
18548         * c-common.h (done_lexing): Declare.
18549         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
18550         (parse_in).
18551         * c-opts.c: Include c-tree.h.
18552         (c_common_init_options): Set preprocessor error callback.
18553         (c_common_handle_option): Do not set preprocessor
18554         inhibit_warnings, warnings_are_errors, warn_system_headers,
18555         pedantic_errors or inhibit_warnings flags.
18556         (c_common_post_options): Do not check cpp_errors (parse_in).
18557         (c_common_finish): Do not output dependencies if there were
18558         errors.  Do not check return value of cpp_finish.
18559         * c-ppoutput.c (pp_file_change): Set input_location.
18560         * c-tree.h (c_cpp_error): Declare.
18561         * diagnostic.c (diagnostic_set_info_translated): Also initialize
18562         override_column.
18563         (diagnostic_build_prefix): Check override_column.
18564         * diagnostic.h (diagnostic_info): Add override_column field.
18565         (diagnostic_override_column): Define.
18566
18567 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
18568
18569         * c-common.c (c_expand_expr, c_staticp): Remove.
18570         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
18571         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
18572         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
18573         * c-gimplify.c (gimplify_compound_literal_expr,
18574         optimize_compound_literals_in_ctor): Remove.
18575         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
18576         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
18577         * c-semantics.c (emit_local_var): Remove.
18578
18579         * langhooks-def.h (lhd_expand_expr): Remove.
18580         * langhooks.c (lhd_expand_expr): Remove.
18581         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
18582
18583         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
18584         handling from c-semantics.c; don't call into langhook.
18585         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
18586         * gimplify.c (gimplify_compound_literal_expr,
18587         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
18588         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
18589         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
18590         as was done in c-gimplify.c.
18591         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
18592         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
18593         Move from c-common.h.
18594         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
18595
18596         * tree.c (staticp): Do not call langhook.
18597         * langhooks.c (lhd_staticp): Delete.
18598         * langhooks-def.h (lhd_staticp): Delete prototype.
18599         (LANG_HOOKS_STATICP): Delete.
18600         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
18601
18602         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
18603         instead of DECL_STMTs.
18604
18605 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
18606
18607         PR c/456
18608         PR c/5675
18609         PR c/19976
18610         PR c/29116
18611         PR c/31871
18612         PR c/35198
18613         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
18614         void_type_node.
18615         (fold_call_expr): Return a NOP_EXPR from folding rather than the
18616         contained expression.
18617         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
18618         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
18619         conditional expressions for C.
18620         (decl_constant_value_for_optimization): Move from
18621         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
18622         whether optimizing and that the expression is a VAR_DECL not of
18623         array type instead of doing such checks in the caller.  Do not
18624         check pedantic.  Call gcc_unreachable for C++.
18625         * c-common.def (C_MAYBE_CONST_EXPR): New.
18626         * c-common.h (c_fully_fold, c_save_expr,
18627         decl_constant_value_for_optimization): New prototypes.
18628         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
18629         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
18630         EXPR_INT_CONST_OPERANDS): Define.
18631         * c-convert.c (convert): Strip nops from expression.
18632         * c-decl.c (groktypename): Take extra parameters expr and
18633         expr_const_operands.  Update call to grokdeclarator.
18634         (start_decl): Update call to grokdeclarator.  Add statement for
18635         expressions used in type of decl.
18636         (grokparm): Update call to grokdeclarator.
18637         (push_parm_decl): Update call to grokdeclarator.
18638         (build_compound_literal): Add parameter non_const and build a
18639         C_MAYBE_COSNT_EXPR if applicable.
18640         (grokdeclarator): Take extra parameters expr and
18641         expr_const_operands.  Track expressions used in declaration
18642         specifiers and declarators.  Fold array sizes and track whether
18643         they are constant expressions and whether they are integer
18644         constant expressions.
18645         (parser_xref_tag): Set expr and expr_const_operands fields in
18646         return value.
18647         (grokfield): Update call to grokdeclarator.
18648         (start_function): Update call to grokdeclarator.
18649         (build_null_declspecs): Set expr and expr_const_operands fields in
18650         return value.
18651         (declspecs_add_type): Handle expressions in typeof specifiers.
18652         * c-parser.c (c_parser_declspecs): Set expr and
18653         expr_const_operands fields for declaration specifiers.
18654         (c_parser_enum_specifier): Likewise.
18655         (c_parser_struct_or_union_specifier): Likewise.
18656         (c_parser_typeof_specifier): Likewise.  Update call to
18657         groktypename.  Fold expression as needed.  Return expressions with
18658         type instead of adding statements.
18659         (c_parser_attributes): Update calls to c_parser_expr_list.
18660         (c_parser_statement_after_labels): Fold expression before passing
18661         to objc_build_throw_stmt.
18662         (c_parser_condition): Fold expression.
18663         (c_parser_asm_operands): Fold expression.
18664         (c_parser_conditional_expression): Use c_save_expr.  Update call
18665         to build_conditional_expr.
18666         (c_parser_alignof_expression): Update call to groktypename.
18667         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
18668         original_code.  Fold expression argument of va_arg.  Create
18669         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
18670         argument to va_arg.  Update calls to groktypename.  Fold array
18671         index for offsetof.  Verify that first argument to
18672         __builtin_choose_expr has integer type.
18673         (c_parser_postfix_expression_after_paren_type): Update calls to
18674         groktypename and build_compound_literal.  Handle expressions with
18675         side effects in type name.
18676         (c_parser_postfix_expression_after_primary): Update call to
18677         c_parser_expr_list.  Set original_code for calls to
18678         __builtin_constant_p.
18679         (c_parser_expr_list): Take extra parameter fold_p.  Fold
18680         expressions if requested.
18681         (c_parser_objc_type_name): Update call to groktypename.
18682         (c_parser_objc_synchronized_statement): Fold expression.
18683         (c_parser_objc_receiver): Fold expression.
18684         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
18685         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
18686         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
18687         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
18688         (struct c_typespec): Add elements expr and expr_const_operands.
18689         (struct c_declspecs): Add elements expr and expr_const_operands.
18690         (groktypename, build_conditional_expr, build_compound_literal):
18691         Update prototypes.
18692         (in_late_binary_op): Declare.
18693         * c-typeck.c (note_integer_operands): New function.
18694         (in_late_binary_op): New variable.
18695         (decl_constant_value_for_broken_optimization): Move to c-common.c
18696         and rename to decl_constant_value_for_optimization.
18697         (default_function_array_conversion): Do not strip nops.
18698         (default_conversion): Do not call
18699         decl_constant_value_for_broken_optimization.
18700         (build_array_ref): Do not fold result.
18701         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
18702         result when operand is a VLA.
18703         (c_expr_sizeof_type): Update call to groktypename.  Handle
18704         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
18705         result when operand names a VLA type.
18706         (build_function_call): Update call to build_compound_literal.
18707         Only fold result for calls to __builtin_* functions.  Strip
18708         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
18709         the function designator.
18710         (convert_arguments): Fold arguments.  Update call to
18711         convert_for_assignment.
18712         (build_unary_op): Handle increment and decrement of
18713         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
18714         decrement earlier.  Fold operand of increment and decrement.
18715         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
18716         built for integer operand.  Wrap returns that are INTEGER_CSTs
18717         without being integer constant expressions or that have integer
18718         constant operands without being INTEGER_CSTs.
18719         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
18720         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
18721         result is an integer constant expression or can be used in
18722         unevaluated parts of one and avoid folding and wrap as
18723         appropriate.  Fold operands before possibly doing -Wsign-compare
18724         warnings.
18725         (build_compound_expr): Wrap result for C99 if operands can be used
18726         in integer constant expressions.
18727         (build_c_cast): Update call to digest_init.  Do not ignore
18728         overflow from casting floating-point constants to integers.  Wrap
18729         results that could be confused with integer constant expressions,
18730         null pointer constants or floating-point constants.
18731         (c_cast_expr): Update call to groktypename.  Handle expressions
18732         included in type name.
18733         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
18734         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
18735         Update calls to convert_for_assignment.
18736         (convert_for_assignment): Take new parameter
18737         null_pointer_constant.  Do not strip nops or call
18738         decl_constant_value_for_broken_optimization.  Set
18739         in_late_binary_op for conversions to boolean.
18740         (store_init_value): Update call to digest_init.
18741         (digest_init): Take new parameter null_pointer_constant.  Do not
18742         call decl_constant_value_for_broken_optimization.  pedwarn for
18743         initializers not constant expressions.  Update calls to
18744         convert_for_assignment.
18745         (constructor_nonconst): New.
18746         (struct constructor_stack): Add nonconst element.
18747         (really_start_incremental_init, push_init_level, pop_init_level):
18748         Handle constructor_nonconst and nonconst element.
18749         (set_init_index): Call constant_expression_warning for array
18750         designators.
18751         (output_init_element): Fold value.  Set constructor_nonconst as
18752         applicable.  pedwarn for initializers not constant expressions.
18753         Update call to digest_init.  Call constant_expression_warning
18754         where constant initializers are required.
18755         (process_init_element): Use c_save_expr.
18756         (c_finish_goto_ptr): Fold expression.
18757         (c_finish_return): Fold return value.  Update call to
18758         convert_for_assignment.
18759         (c_start_case): Fold switch expression.
18760         (c_process_expr_stmt): Fold expression.
18761         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
18762         ensure statement expression is not evaluated in constant expression.
18763         (build_binary_op): Track whether results are integer constant
18764         expressions or may occur in such, disable folding and wrap results
18765         as applicable.  Fold operands for -Wsign-compare warnings unless
18766         in_late_binary_op.
18767         (c_objc_common_truthvalue_conversion): Handle results folded to
18768         integer constants that are not integer constant expressions.
18769         * doc/extend.texi: Document when typeof operands are evaluated,
18770         that condition of __builtin_choose_expr is an integer constant
18771         expression, and more about use of __builtin_constant_p in
18772         initializers.
18773
18774 2009-03-29  Richard Guenther  <rguenther@suse.de>
18775
18776         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
18777         propagate addresses of array references.
18778
18779 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
18780
18781         * regmove.c (perhaps_ends_bb_p): Remove.
18782         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
18783         from INSN and check that the main loop stays within that basic block.
18784         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
18785         (regmove_forward_pass): Split out from regmove_optimize.  Use
18786         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
18787         (regmove_backward_pass): Split out from regmove_optimize.  Use
18788         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
18789         (regmove_optimize): Simplify.
18790
18791 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
18792
18793         PR target/39545
18794         * config/i386/i386.c (classify_argument): Ignore flexible array
18795         member in struct and warn ABI change.
18796
18797 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
18798
18799         * config/i386/i386-protos.h (ix86_agi_dependent): New.
18800
18801         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
18802         (ix86_adjust_cost): Updated.
18803
18804 2009-03-29  Jan Hubicka  <jh@suse.cz>
18805
18806         PR middle-end/28850
18807         * tree-pass.h (pass_cleanup_eh): New function.
18808         (remove_unreachable_regions): Break code handling RTL
18809         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
18810         that can not be reached by runtime.
18811         (can_be_reached_by_runtime): New function.
18812         (label_to_region_map): New function.
18813         (num_eh_regions): New function.
18814         (rtl_remove_unreachable_regions): New function.
18815         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
18816         (remove_eh_region): New function.
18817         * except.h: Include sbitmap and vecprim.
18818         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
18819         num_eh_regions): Declare.
18820         * passes.c (init_optimization_passes): Schedule cleanup_eh.
18821         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
18822         * tree-eh.c (tree_remove_unreachable_handlers): New function.
18823         (tree_empty_eh_handler_p): New function.
18824         (cleanup_empty_eh): New function.
18825         (cleanup_eh): New function.
18826         (pass_cleanup_eh): New function.
18827
18828 2009-03-29  Jan Hubicka  <jh@suse.cz>
18829
18830         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
18831         for removed regions.
18832
18833 2009-03-29  Jan Hubicka  <jh@suse.cz>
18834
18835         * except.c (dump_eh_tree): Dump all datastructures.
18836
18837 2009-03-29  Jan Hubicka  <jh@suse.cz>
18838
18839         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
18840         (duplicate_eh_regions_1): Likewise.
18841         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
18842         vector; call EH verification.
18843         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
18844         Be ready for region being removed.
18845
18846 2009-03-29  Jan Hubicka  <jh@suse.cz>
18847
18848         * bitmap.c (bitmap_last_set_bit): New function.
18849         * bitmap.h (bitmap_last_set_bit): Declare.
18850
18851 2009-03-29  David Ayers  <ayers@fsfe.org>
18852
18853         PR objc/27377
18854         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
18855         by calling objc_compare_types and surpress warnings about
18856         incompatible C pointers that are compatible ObjC pointers.
18857
18858 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
18859
18860         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
18861         call initialize_inline_failed.
18862         (initialize_inline_failed): Move it from here ...
18863         * cgraph.c (initialize_inline_failed): ... to here.
18864         (cgraph_create_edge): Call initialize_inline_failed rather than
18865         setting inline_failed directly.
18866
18867 2009-03-29  Ben Elliston  <bje@au.ibm.com>
18868
18869         PR target/32542
18870         * sysv4.opt (msdata): Improve comment.
18871         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
18872         * sysv4.h (SVR4_ASM_SPEC): Likewise.
18873
18874 2009-03-29  Ben Elliston  <bje@au.ibm.com>
18875
18876         PR target/30451
18877         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
18878         load and store attributes.
18879
18880 2009-03-29  Ben Elliston  <bje@au.ibm.com>
18881
18882         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
18883         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
18884         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
18885         * doc/extend.texi (X86 Built-in Functions): Add index entries for
18886         __builtin_infq and __builtin_huge_valq.
18887
18888 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
18889
18890         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
18891         atmega8m1 devices.
18892         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
18893         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
18894
18895 2009-03-28  Xinliang David Li  <davidxl@google.com>
18896
18897         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
18898         (do_dbg_cnt): New function.
18899
18900 2009-03-28  Jan Hubicka  <jh@suse.cz>
18901
18902         Merge from pretty-ipa:
18903
18904         2009-03-27  Jan Hubicka  <jh@suse.cz>
18905
18906         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
18907         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
18908         * passes.c (function_called_by_processed_nodes_p): New.
18909         * ipa-pure-const.c (check_call): Fix handling of operands.
18910         (analyze_function): Dump debug output for skipped bodies.
18911         (local_pure_const): Use function_called_by_processed_nodes_p.
18912         * dwarf2out.c (reference_to_unused): Use output.
18913         * passes.c (do_per_function_toporder): Likewise.
18914
18915         2008-11-12  Jan Hubicka  <jh@suse.cz>
18916
18917         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
18918         * ipa-pure-const.c (funct_state_d): Add can throw field; make
18919         state_set_in_source enum
18920         (check_decl): Ignore memory tags; do not set fake looping flags;
18921         dump diagnostics.
18922         (check_operand, check_tree, check_rhs_var, check_lhs_var,
18923         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
18924         (check_call, analyze_function): Rewrite.
18925         (check_stmt): New.
18926         (add_new_function): Update call of analyze_function.
18927         (generate_summary): Add call of analyze_function.
18928         (propagate): Propagate can_throw; handle state_set_in_source correctly.
18929         (local_pure_const): New function.
18930         (pass_local_pure_const): New pass.
18931         * ipa-inline.c (inline_transform): Set after_inlining.
18932         * tree-eh.c (stmt_can_throw_external): New.
18933         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
18934         work with aliasing built.
18935         * tree-flow.h (stmt_can_throw_external): New.
18936         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
18937         and local pure/const pass in early and late optimization queue.
18938
18939 2009-03-28  Martin Jambor  <mjambor@suse.cz>
18940
18941         * fold-const.c (get_pointer_modulus_and_residue): New parameter
18942         allow_func_align.
18943         (fold_binary): Allow function decl aligment consideration is the
18944         second argument is integer constant one.
18945         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
18946         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
18947         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
18948
18949 2009-03-28  Jan Hubicka  <jh@suse.cz>
18950
18951         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
18952         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
18953         * function.h (rtl_data): Add nothrow flag.
18954         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
18955         set DECL_NOTHROW for AVAILABLE functions.
18956
18957 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
18958
18959         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
18960         following vector keyword has expansion starting with pixel or bool
18961         keyword, expand vector to __vector and pixel or bool to __pixel or
18962         __bool.
18963
18964         PR c++/39554
18965         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
18966         warn_if_disallowed_function_p): Removed.
18967         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
18968         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
18969         warning_if_disallowed_function_p.
18970         * flags.h (warn_if_disallowed_function_p,
18971         warn_disallowed_functions): Removed.
18972         * common.opt (Wdisallowed-function-list=): Removed.
18973         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
18974
18975 2009-03-28  Richard Guenther  <rguenther@suse.de>
18976
18977         PR tree-optimization/38723
18978         * tree-ssa-pre.c (compute_avail): Add all default definitions to
18979         the entry block.
18980
18981 2009-03-28  Jan Hubicka  <jh@suse.cz>
18982
18983         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
18984         test introduced by my previous patch.
18985
18986 2009-03-28  Richard Guenther  <rguenther@suse.de>
18987
18988         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
18989         the PHIs value undefined.
18990
18991 2009-03-28  Jan Hubicka  <jh@suse.cz>
18992
18993         * tree-pass.h (pass_fixup_cfg): New pass.
18994         * ipa-inline.c (inline_transform): Set
18995         always_inline_functions_inlined/after_inlining.
18996         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
18997         (pass_fixup_cfg): New pass.
18998         * passes.c (init_optimization_passes): Add fixup_cfg.
18999
19000 2009-03-28  Richard Guenther  <rguenther@suse.de>
19001
19002         PR tree-optimization/38458
19003         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
19004         argument use the arguments copy-of value.
19005
19006 2009-03-28  Richard Guenther  <rguenther@suse.de>
19007
19008         PR tree-optimization/38180
19009         * tree-ssa-ccp.c (get_default_value): Simplify.
19010         (likely_value): Likewise.
19011         (surely_varying_stmt_p): Properly handle VOP case.
19012         (ccp_initialize): Likewise.
19013         (ccp_fold): Handle propagating through *&.
19014         (fold_const_aggregate_ref): Also handle decls.
19015
19016 2009-03-28  Jan Hubicka  <jh@suse.cz>
19017
19018         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
19019         * cgraph.h (cgraph_node): Likewise.
19020         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
19021         (cgraph_reset_node): Use process flag.
19022         (cgraph_mark_functions_to_output): Likewise.
19023         (cgraph_expand_function): Likewise.
19024         (cgraph_expand_all_functions): Likewise.
19025         (cgraph_output_in_order): Likewise.
19026         * dwarf2out.c (reference_to_unused): Likewise.
19027         * passes.c do_per_function_toporder): Likewise.
19028
19029 2009-03-28  Jan Hubicka  <jh@suse.cz>
19030
19031         Bring from lto-branch:
19032
19033         2008-09-03  Doug Kwan  <dougkwan@google.com>
19034
19035         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
19036         enums instead of reason strings.
19037         * cgraph.c (cgraph_create_edge): Same.
19038         (cgraph_inline_failed_string): New function.
19039         * cgraph.h (cgraph_inline_failed_t): New enum type.
19040         (cgraph_inline_failed_string): New prototype.
19041         (struct cgraph_edge): Change type of INLINED_FAILED from constant
19042         char pointer to cgraph_inline_failed_t.
19043         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
19044         (cgraph_default_inline_p): Ditto.
19045         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
19046         to cgraph_inline_failed_t pointer.
19047         * cif-code.def: New file.
19048         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
19049         reason string.
19050         (cgraph_check_inline_limits): Change type of REASON to pointer to
19051         cgraph_inline_failed_t.  Replace reason strings with enums.
19052         (cgraph_default_inline_p): Ditto.
19053         (cgraph_recursive_inlining_p): Ditto.
19054         (update_caller_keys): Change type of FAILED_REASON to
19055         cgraph_inline_failed_t.
19056         (cgraph_set_inline_failed): Change type of REASON to pointer to
19057         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
19058         convert enums to strings for text output.
19059         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
19060         to be of type cgraph_inline_failed_t.  Replace reason strings with
19061         enums.  Call cgraph_inline_failed_string to covert enums
19062         to strings for text output.
19063         (cgraph_decide_inlining): Replace reason strings with enums.
19064         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
19065         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
19066         for text output.
19067         * tree-inline.c (expand_call_inline): Change type of REASON
19068         to cgraph_inline_failed_t.  Replace reason strings with enums.
19069         Call cgraph_inline_failed_string for text output.
19070         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
19071         (cgraph.o): Ditto.
19072
19073 2009-03-28  Jan Hubicka  <jh@suse.cz>
19074
19075         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
19076         cgraph_clone_node): Remove master clone handling.
19077         (cgraph_is_master_clone, cgraph_master_clone): Remove.
19078         * cgraph.h (master_clone): Remove.
19079         (cgraph_is_master_clone, cgraph_master_clone): Remove.
19080         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
19081         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
19082
19083 2009-03-28  Jan Hubicka  <jh@suse.cz>
19084
19085         * cgraph.c (cgraph_function_body_availability): Functions declared
19086         inline are always safe to assume that it is not going to be replaced.
19087
19088 2009-03-28  Richard Guenther  <rguenther@suse.de>
19089
19090         PR tree-optimization/38513
19091         * tree-ssa-pre.c (eliminate): Remove redundant stores.
19092         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
19093         EXC_PTR_EXPR and FILTER_EXPR.
19094         (get_ref_from_reference_ops): Likewise.
19095
19096 2009-03-28  Richard Guenther  <rguenther@suse.de>
19097
19098         PR tree-optimization/38968
19099         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
19100         Use FLOOR_MOD_EXPR to compute misalignment.
19101
19102 2009-03-28  Richard Guenther  <rguenther@suse.de>
19103
19104         PR tree-optimization/37795
19105         * tree.h (combine_comparisons): Declare.
19106         * fold-const.c (combine_comparisons): Export.
19107         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
19108         comparisons.
19109         (ifcombine_iforif): Use combine_comparisons.
19110
19111 2009-03-28  Jan Hubicka  <jh@suse.cz>
19112
19113         * tree-eh.c (inlinable_call_p): New function.
19114         (make_eh_edges): Use it.
19115         (verify_eh_edges): Use it.
19116         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
19117         * except.c (reachable_next_level): Add inlinable_function argument
19118         (sjlj_find_directly_reachable_regions): Update.
19119         (add_reachable_handler): Do not set saw_any_handlers.
19120         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
19121         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
19122         Add new inlinable call parameter.
19123         (can_throw_internal, can_throw_external): Update.
19124         * except.h (can_throw_internal_1, can_throw_external_1,
19125         foreach_reachable_handler): Update declaration.
19126
19127 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
19128
19129         * config/arm/t-arm-coff, config/h8300/coff.h,
19130         config/i386/i386-aout.h, config/i386/i386-coff.h,
19131         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
19132         config/pdp11/2bsd.h, config/rs6000/aix41.h,
19133         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
19134         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
19135         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
19136         sys-types.h: Remove.
19137         * Makefile.in: Remove protoize and fixproto support and references
19138         in comments.
19139         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
19140         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
19141         Remove.
19142         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
19143         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
19144         unprotoize$(exeext).
19145         (rest.encap): Don't depend on $(STMP_FIXPROTO)
19146         (.PHONY): Don't depend on proto.
19147         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
19148         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
19149         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
19150         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
19151         build/gen-protos.o, build/scan.o, xsys-protos.h,
19152         build/fix-header$(build_exeext), build/fix-header.o,
19153         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
19154         stmp-install-fixproto): Remove.
19155         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
19156         SYSCALLS.c or fixproto files.
19157         (install-common): Don't install protoize.
19158         (install-headers-tar, install-headers-cpio, install-headers-cp):
19159         Don't depend on $(STMP_FIXPROTO).
19160         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
19161         install fixproto files or write out fixproto settings.
19162         (uninstall): Don't uninstall protoize.
19163         * config.gcc (use_fixproto): Remove.
19164         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
19165         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
19166         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
19167         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
19168         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
19169         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
19170         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
19171         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
19172         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
19173         * config/t-vxworks (STMP_FIXPROTO): Remove.
19174         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
19175         STMP_FIXPROTO): Remove.
19176         * config.in, configure: Regenerate.
19177         * crtstuff.c (gid_t, uid_t): Don't undefine.
19178         * doc/install.texi: Change m68k-coff to m68k-elf in example.
19179         (arm-*-coff, arm-*-aout: Remove target entries.
19180         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
19181         Remove mention of AIX 4.1.
19182         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
19183         * doc/invoke.texi (Running Protoize): Remove.
19184         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
19185         (Protoize Caveats): Remove.
19186         * tsystem.h: Update comments on headers assumed to exist.
19187
19188 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
19189
19190         * genautomata.c: Add a new year to the copyright.  Add a new
19191         reference.
19192         (struct insn_reserv_decl): Add comments for member bypass_list.
19193         (find_bypass): Remove.
19194         (insert_bypass): New.
19195         (process_decls): Use insert_bypass.
19196         (output_internal_insn_latency_func): Output all bypasses with the
19197         same input insn in one switch case.
19198
19199         * rtl.def (define_bypass): Describe bypass choice.
19200         * doc/md.texi (define_bypass): Ditto.
19201
19202 2009-03-27  Richard Guenther  <rguenther@suse.de>
19203
19204         * gimplify.c (mark_addressable): Export.
19205         * tree-flow.h (mark_addressable): Declare.
19206         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
19207         * tree-ssa.c (verify_phi_args): Verify that address taken
19208         variables have TREE_ADDRESSABLE set.
19209
19210 2009-03-27  Richard Guenther  <rguenther@suse.de>
19211
19212         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
19213         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
19214         Do not mark decls TREE_ADDRESSABLE.
19215         (build_fold_addr_expr): Adjust.
19216         (fold_addr_expr): Remove.
19217         (fold_unary): Use build_fold_addr_expr.
19218         (fold_comparison): Likewise.
19219         (split_address_to_core_and_offset): Likewise.
19220         * coverage.c (tree_coverage_counter_addr): Mark the array decl
19221         TREE_ADDRESSABLE.
19222         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
19223         (gimplify_modify_expr_to_memcpy): Mark source and destination
19224         addressable.
19225         * omp-low.c (create_omp_child_function): Mark the object decl
19226         TREE_ADDRESSABLE.
19227         (lower_rec_input_clauses): Mark the var we take the address of
19228         TREE_ADDRESSABLE.
19229         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
19230
19231 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
19232
19233         PR middle-end/39315
19234         * cfgexpand.c (expand_one_stack_var_at): Change alignment
19235         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
19236
19237 2009-03-27  Richard Guenther  <rguenther@suse.de>
19238
19239         PR tree-optimization/39120
19240         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
19241         constraints.
19242         (handle_lhs_call): Process return constraints.  Add escape
19243         constraints if necessary.
19244         (handle_const_call): Fill out return constraints.  Make nested
19245         case more precise.  Avoid consttmp if possible.
19246         (handle_pure_call): Fill out return constraints.  Avoid
19247         callused if possible.
19248         (find_func_aliases): Simplify call handling.
19249
19250 2009-03-27  Richard Guenther  <rguenther@suse.de>
19251
19252         PR tree-optimization/39120
19253         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
19254         as a representative.
19255         (solve_graph): Do propagate CALLUSED.
19256         (handle_pure_call): Use a scalar constraint from CALLUSED for
19257         the return value.
19258         (find_what_p_points_to): CALLUSED shall not appear in poins-to
19259         solutions.
19260
19261 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
19262
19263         PR c/39323
19264         * c-common.c (handle_aligned_attribute): Properly check alignment
19265         overflow.  Use (1U << i) instead of (1 << i).
19266
19267         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
19268
19269         * expr.h (get_mem_align_offset): Updated.
19270
19271         * tree.h (tree_decl_common): Change align to "unsigned int" and
19272         move it before pointer_alias_set.
19273
19274 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
19275             Jakub Jelinek  <jakub@redhat.com>
19276
19277         PR target/38034
19278         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
19279         gr_register_operand with gr_reg_or_0_operand.
19280         (cmpxchg_rel_di): Likewise.
19281         (sync_lock_test_and_set<mode>): Likewise.
19282
19283 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
19284
19285         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
19286         (true_regnum): Likewise.
19287
19288         * rtlanal.c (subreg_info): Moved to ...
19289         * rtl.h (subreg_info): Here.  New.
19290         (subreg_get_info): New.
19291
19292         * rtlanal.c (subreg_get_info): Make it extern.
19293
19294 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
19295
19296         PR target/39472
19297         * config/i386/i386.c (ix86_abi): New.
19298         (override_options): Handle -mabi=.
19299         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
19300         (ix86_call_abi_override): Likewise.
19301         (init_cumulative_args): Likewise.
19302         (function_arg_advance): Likewise.
19303         (function_arg_64): Likewise.
19304         (function_arg): Likewise.
19305         (ix86_pass_by_reference): Likewise.
19306         (ix86_function_value_regno_p): Likewise.
19307         (ix86_build_builtin_va_list_abi): Likewise.
19308         (setup_incoming_varargs_64): Likewise.
19309         (is_va_list_char_pointer): Likewise.
19310         (ix86_init_machine_status): Likewise.
19311         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
19312         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
19313         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
19314         (ix86_function_abi): Make it static and return enum calling_abi.
19315         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
19316         with ix86_abi.
19317         (ix86_fn_abi_va_list): Updated.
19318
19319         * config/i386/i386.h (ix86_abi): New.
19320         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
19321         (CONDITIONAL_REGISTER_USAGE): Likewise.
19322         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
19323         (machine_function): Likewise.
19324
19325         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
19326         with ix86_abi.
19327         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
19328         (STACK_BOUNDARY): Likewise.
19329         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
19330
19331         * config/i386/i386.opt (mabi=): New.
19332
19333         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
19334         return enum calling_abi.
19335         (ix86_function_type_abi): Likewise.
19336         (ix86_function_abi): Removed.
19337
19338         * doc/invoke.texi: Document -mabi= option for x86.
19339
19340 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19341
19342         * builtins.c (real_dconstp): Delete.
19343         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
19344
19345 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
19346             Jakub Jelinek  <jakub@redhat.com>
19347
19348         PR debug/37959
19349         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
19350         (gen_subprogram_die): When a function is explicit, generate the
19351         DW_AT_explicit attribute.
19352         * langhooks.h (struct lang_hooks_for_decls): Add
19353         function_decl_explicit_p langhook.
19354         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
19355         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
19356
19357 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
19358
19359         * builtins.c (fold_builtin_memory_op): Optimize memmove
19360         into memcpy if we can prove source and destination don't overlap.
19361
19362         * tree-inline.c: Include gt-tree-inline.h.
19363         (clone_fn_id_num): New variable.
19364         (clone_function_name): New function.
19365         (tree_function_versioning): Use it.
19366         * Makefile.in (GTFILES): Add tree-inline.c.
19367
19368 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
19369
19370         * BASE-VER: Change to 4.5.0.
19371
19372 2009-03-27  Xinliang David Li  <davidxl@google.com>
19373
19374         PR tree-optimization/39557
19375         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
19376
19377 2009-03-27  Xinliang David Li  <davidxl@google.com>
19378
19379         PR tree-optimization/39548
19380         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
19381         candidate check.
19382
19383 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
19384
19385         * c-common.c (pointer_int_sum): Use %wd on return from
19386         tree_low_cst.
19387
19388 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
19389
19390         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
19391         on return from tree_low_cst.
19392
19393 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
19394
19395         PR c++/36799
19396         * ginclude/stdarg.h (va_copy): Define also for
19397         __GXX_EXPERIMENTAL_CXX0X__.
19398
19399 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19400
19401         PR c++/35652
19402         * builtins.h (c_strlen): Do not warn here.
19403         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
19404         * c-common.c (pointer_int_sum): Take an explicit location.
19405         Warn about offsets out of bounds.
19406         * c-common.h (pointer_int_sum): Adjust declaration.
19407
19408 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19409
19410         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
19411         markup glitch.
19412
19413 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
19414
19415         PR c++/39554
19416         * opts.c (warn_if_disallowed_function_p): Don't assume
19417         get_callee_fndecl must return non-NULL.
19418
19419 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
19420
19421         PR rtl-optimization/39522
19422         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
19423         when reg_reloaded_valid is set.
19424
19425 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
19426
19427         * config/spu/divv2df3.c: New file.
19428         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
19429         (DPBIT_FUNCS): Filter out _div_df.
19430
19431 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
19432
19433         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
19434         a jump insn, count that jump in the distance to the loop start.
19435
19436 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
19437
19438         PR target/39523
19439         * config/sh/sh.c (calc_live_regs): Fix condition for global
19440         registers except PIC_OFFSET_TABLE_REGNUM.
19441
19442 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
19443
19444         PR/39518
19445         * doc/invoke.texi (-mconsole): New.
19446         (-mcygwin): New.
19447         (-mno-cygwin): New.
19448         (-mdll): New.
19449         (-mnop-fun-dllimport): New.
19450         (-mthread): New.
19451         (-mwin32): New.
19452         (-mwindows): New.
19453         (sub section "i386 and x86-64 Windows Options"): New.
19454
19455 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
19456
19457         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
19458         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
19459
19460 2009-03-25  Richard Guenther  <rguenther@suse.de>
19461
19462         PR middle-end/39497
19463         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
19464         of -Wno-error.
19465
19466 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
19467
19468         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
19469         neither of haifa/selective schedulers are working.
19470
19471 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19472
19473         * doc/invoke.texi (Debugging Options): Fix description of
19474         -fno-merge-debug-strings.
19475
19476 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
19477
19478         * config/cris/libgcc.ver: New version-script.
19479         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
19480
19481         * configure.ac <GAS features, nop mnemonic>: Add pattern
19482         crisv32-*-* for "nop".
19483         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
19484         * configure: Regenerate.
19485
19486 2009-03-24  Ira Rosen  <irar@il.ibm.com>
19487
19488         PR tree-optimization/39529
19489         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
19490         mark_sym_for_renaming for the tag copied to the new vector
19491         pointer.
19492
19493 2009-03-24  Arthur Loiret  <aloiret@debian.org>
19494
19495         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
19496         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
19497         EXTRA_SPEC_FUNCTIONS.
19498         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
19499         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
19500         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
19501         -march and -mtune options.
19502
19503 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
19504
19505         * config/m68k/t-rtems: Add m5329 multilib.
19506
19507 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
19508             Jakub Jelinek  <jakub@redhat.com>
19509
19510         PR debug/39524
19511         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
19512         nodes.
19513
19514 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
19515
19516         PR c/39495
19517         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
19518         instead of c_parser_expression_conv, if original_code isn't one of the
19519         4 allowed comparison codes, fail.
19520
19521 2009-03-23  Richard Guenther  <rguenther@suse.de>
19522
19523         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
19524         * tree.h (struct tree_type): Likewise.
19525         * reload.h (struct insn_chain): Likewise.
19526         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
19527         * function.h (struct function): Likewise.
19528         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
19529
19530 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
19531
19532         PR tree-optimization/39516
19533         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
19534
19535 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
19536
19537         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
19538         should be set true if BITS_PER_WORD of target is bigger than 32
19539
19540 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
19541
19542         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
19543         Translate -B-options to -rpath-link.  Correct existing
19544         rpath-link and conditionalize on !nostdlib.
19545
19546 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19547
19548         * doc/extend.texi (Function Attributes, Variable Attributes):
19549         Fix typos.
19550         * doc/invoke.texi (Debugging Options, Optimize Options)
19551         (i386 and x86-64 Options, MCore Options): Likewise.
19552
19553 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
19554
19555         PR debug/37890
19556         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
19557         it for block local namespace aliases.
19558         (gen_decl_die): Pass context_die to gen_namespace_die.
19559
19560 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
19561
19562         PR c/39495
19563         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
19564         minimum or maximum value.
19565
19566 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
19567
19568         * reginfo.c (globalize_reg): Recompute derived reg sets.
19569
19570 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
19571
19572         PR target/39063
19573         * libgcc2.c (mprotect): Do not use signed arguments for
19574         VirtualProtect, use DWORD arguments.  Also fix the 'may
19575         be used uninitialized' warning for the np variable.
19576
19577 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
19578
19579         PR target/39496
19580         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
19581         functions using regparm calling conventions when not optimizing.
19582         (ix86_function_sseregparm): Similarly for sseregparm calling
19583         conventions.
19584
19585 2009-03-19  Li Feng  <nemokingdom@gmail.com>
19586
19587         PR middle-end/39500
19588         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
19589         dependence if the first conflict is after niter iterations.
19590
19591 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
19592
19593         PR middle-end/38609
19594         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
19595         functions with dynamic stack-pointer adjustments.
19596
19597 2009-03-19  Ben Elliston  <bje@au.ibm.com>
19598
19599         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
19600         option; change to -msdata=data.
19601
19602 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19603
19604         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
19605         and -fopenmp.
19606
19607 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
19608
19609         PR target/35180
19610         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
19611
19612 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
19613
19614         * doc/invoke.texi (Code Gen Options): Expand discussion of
19615         -fno-common.
19616
19617 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
19618
19619         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
19620         * matrix-reorg.c (struct matrix_info): Likewise.
19621         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
19622         * rtl.h (struct mem_attrs): Likewise.
19623         * df.h (struct df): Likewise.
19624         * tree-data-ref.h (struct data_dependence_relation): Likewise.
19625         * ira-int.h (struct ira_allocno): Likewise.
19626         * df-scan.c (struct df_collection_rec): Likewise.
19627         * ira.c (struct equivalence): Likewise.
19628         * function.c (struct temp_slot): Likewise.
19629         * cfgloop.h (struct loop): Likewise.
19630
19631         PR debug/39485
19632         * function.c (use_register_for_decl): When not optimizing, disregard
19633         register keyword for variables with types containing methods.
19634
19635 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
19636
19637         PR middle-end/39447
19638         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
19639         (is_simple_operand): Call contains_component_ref_p before calling data
19640         reference analysis that would fail on COMPONENT_REFs.
19641
19642         * tree-vrp.c (search_for_addr_array): Fix formatting.
19643
19644 2009-03-18  Richard Guenther  <rguenther@suse.de>
19645
19646         * tree-vect-transform.c (vect_loop_versioning): Fold the
19647         generated comparisons.
19648         * tree-vectorizer.c (set_prologue_iterations): Likewise.
19649         (slpeel_tree_peel_loop_to_edge): Likewise.
19650
19651 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19652
19653         PR middle-end/37805
19654         * opts.c (print_specific_help): In addition to `undocumented',
19655         accept `separate' and `joined' flags if passed alone.  Describe
19656         output by the first matched one of those.
19657         (common_handle_option): Skip over empty strings.
19658         * gcc.c (display_help): Fix help string for `--help='.
19659         * doc/invoke.texi (Option Summary, Overall Options): With
19660         `--help=', classes and qualifiers can both be repeated, but
19661         only the latter can be negated.  One should not pass only
19662         negated qualifiers.  Fix markup and examples.
19663
19664         Revert
19665         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
19666         PR middle-end/37805
19667         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
19668         and -fhelp=separate.
19669
19670 2009-03-17  Jing Yu  <jingyu@google.com>
19671
19672         PR middle-end/39378
19673         * function.h (struct rtl_data): Move is_thunk from here...
19674         (struct function): ...to here.
19675         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
19676         * varasm.c (assemble_start_function): Change is_thunk from crtl to
19677         cfun.
19678         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
19679         cfun.
19680         (alpha_does_function_need_gp, alpha_start_function): Likewise.
19681         (alpha_output_function_end_prologue): Likewise.
19682         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
19683         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
19684         (rs6000_output_function_epilogue): Likewise.
19685         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
19686
19687 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
19688
19689         PR target/39482
19690         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
19691         from different units in a single alternative.
19692         (*truncdfsf_i387): Ditto.
19693         (*truncxfsf2_mixed): Ditto.
19694         (*truncxfdf2_mixed): Ditto.
19695
19696 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
19697
19698         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
19699         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
19700
19701         PR debug/39474
19702         * tree-ssa-live.c (remove_unused_locals): Don't remove local
19703         unused non-artificial variables when not optimizing.
19704
19705         PR debug/39471
19706         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
19707         DW_TAG_imported_module even if decl is IMPORTED_DECL with
19708         NAMESPACE_DECL in its DECL_INITIAL.
19709
19710         PR middle-end/39443
19711         * optabs.c (set_user_assembler_libfunc): New function.
19712         * expr.h (set_user_assembler_libfunc): New prototype.
19713         * c-common.c: Include libfuncs.h.
19714         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
19715         for memcmp, memset, memcpy, memmove and abort.
19716         * Makefile.in (c-common.o): Depend on libfuncs.h.
19717
19718         PR debug/39412
19719         * dwarf2out.c (gen_inlined_enumeration_type_die,
19720         gen_inlined_structure_type_die, gen_inlined_union_type_die,
19721         gen_tagged_type_instantiation_die): Removed.
19722         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
19723         do nothing.
19724
19725 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
19726
19727         PR testsuite/38526
19728         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
19729         its use.
19730         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
19731         (check-parallel-%): Ditto.
19732         (check-consistency): Ditto.
19733
19734 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
19735
19736         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
19737         local variable rhs by NULL_TREE.
19738
19739 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
19740
19741         PR target/39477
19742         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
19743
19744 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
19745
19746         PR target/39476
19747         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
19748
19749 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
19750
19751         PR target/39473
19752         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
19753         for ms->sysv ABI calls only in 64bit mode.
19754
19755         * config/i386/i386.md (untyped_call): Support 32bit.
19756
19757 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
19758
19759         * doc/extend.texi: Replace x86_65 with x86_64.
19760
19761 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
19762
19763         PR tree-optimization/39455
19764         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
19765         mismatches for POINTER_TYPE_P (type).
19766         (number_of_iterations_le): Likewise.
19767
19768 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
19769
19770         * config/picochip/picochip.c: Removed profiling support.
19771         * config/picochip/picochip.md: Removed profiling instruction.
19772         * config/picochip/picochip.h: Removed profiling builtin.
19773
19774 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
19775
19776         * doc/install.texi (--with-host-libstdcxx): Document.
19777
19778 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
19779
19780         PR target/34299
19781         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
19782         generate a warning if the function name does not begin with
19783         "__vector" and the function has either the 'signal' or 'interrupt'
19784         attribute, from here to ...
19785         (avr_declare_function_name): ...here. New function.
19786         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
19787         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
19788
19789 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
19790
19791         PR bootstrap/39454
19792         * cse.c (fold_rtx): Don't modify original const_arg1 when
19793         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
19794         separate variable instead.
19795         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
19796         from out of range shift counts.
19797         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
19798
19799 2009-03-13  Catherine Moore  <clm@codesourcery.com>
19800
19801         * config/i386/x-mingw32 (host-mingw32.o): Replace
19802         diagnostic.h with $(DIAGNOSTIC_H).
19803
19804 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
19805
19806         PR target/39431
19807         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
19808         predicate.
19809         * config/i386/sync.md (sync_compare_and_swap<mode>,
19810         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
19811         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
19812         into a register.
19813         (sync_double_compare_and_swapdi_pic,
19814         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
19815         cmpxchg8b_pic_memory_operand instead of just memory_operand.
19816
19817 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
19818
19819         PR target/39445
19820         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
19821
19822 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
19823
19824         PR target/39327
19825         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
19826         (avx_addsubv4df3): Likewise.
19827         (*avx_addsubv4sf3): Likewise.
19828         (sse3_addsubv4sf3): Likewise.
19829
19830 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
19831
19832         PR target/38824
19833         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
19834
19835 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
19836
19837         PR debug/39432
19838         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
19839         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
19840         registers for allocnos created from user-defined variables.
19841
19842 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
19843
19844         PR target/39181
19845         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
19846         of non-integer mode as well.
19847
19848 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
19849
19850         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
19851         for functions for which the parameter types are unknown.
19852
19853 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
19854
19855         PR target/39137
19856         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
19857         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
19858         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
19859         * config/i386/i386.c (ix86_local_alignment): For
19860         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
19861         long long variables on the stack to avoid dynamic realignment.
19862         Allow the first argument to be a decl rather than type.
19863         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
19864
19865 2009-03-11  Nick Clifton  <nickc@redhat.com>
19866
19867         PR target/5362
19868         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
19869         options.
19870         Add description to mno-lsim option.
19871         * config/mcore/mcore.h: Remove comment about deprecated m4align
19872         option.
19873         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
19874         * doc/invoke.texi: Add description of mno-lsim and
19875         mstack-increment options.
19876
19877         * config/fr30/fr30.opt: Document the -mno-lsim option.
19878         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
19879         and -mno-lsim options.
19880
19881 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
19882
19883         * fold-const.c (fold_comparison): Only call fold_inf_compare
19884         if the mode supports infinities.
19885
19886 2009-03-11  Jason Merrill  <jason@redhat.com>
19887
19888         PR debug/39086
19889         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
19890         end already did.  Notice GIMPLE_CALL modifications of the result.
19891         Don't copy debug information from an ignored decl or a decl from
19892         another function.
19893
19894 2009-03-10  Richard Guenther  <rguenther@suse.de>
19895             Nathan Froyd  <froydnj@codesourcery.com>
19896
19897         PR middle-end/37850
19898         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
19899         (__divMODE3): Likewise.
19900
19901 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
19902
19903         PR tree-optimization/39394
19904         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
19905         DECL_SIZE_UNIT of variable length FIELD_DECLs.
19906
19907 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
19908
19909         * recog.c (verfiy_changes): Disallow renaming of hard regs in
19910         inline asms for register asm ("") declarations.
19911
19912 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
19913
19914         * fold-const.c (fold_unary): Fix comment.
19915
19916 2009-03-07  Jan Hubicka  <jh@suse.cz>
19917
19918         PR target/39361
19919         * tree-inline.c (setup_one_parameter): Do replacement of const
19920         argument by constant in SSA form.
19921
19922 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
19923
19924         PR middle-end/38028
19925         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
19926         determine alignment passed to assign_stack_local.
19927         (assign_parms_unsplit_complex): Likewise.
19928         * except.c (sjlj_build_landing_pads): Likewise.
19929
19930 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
19931
19932         PR middle-end/39360
19933         * tree-flow.h (add_referenced_var): Return bool instead of void.
19934         * tree-dfa.c (add_referenced_var): Return result of
19935         referenced_var_check_and_insert call.
19936         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
19937         of referenced_var_check_and_insert.
19938
19939         PR debug/39372
19940         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
19941         (gen_variable_die): Emit DW_AT_location on abstract static variable's
19942         DIE, don't emit it if abstract origin already has it.
19943         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
19944         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
19945
19946 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
19947
19948         * genpreds.c (needs_variable): Fix parentheses at variable name
19949         detection.
19950         (write_tm_constrs_h): Indent generated code.
19951
19952 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
19953
19954         * doc/extend.texi (Function Attributes): Add documentation
19955         for isr attributes.
19956
19957 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
19958
19959         PR debug/39387
19960         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
19961         take locus from its DECL_SOURCE_LOCATION instead of input_location.
19962
19963 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
19964
19965         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
19966         the loop as bad.
19967
19968 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
19969
19970         PR debug/39379
19971         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
19972         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
19973
19974 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
19975
19976         * config/i386/i386.md (R8_REG, R9_REG): New constants.
19977         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
19978         constants instead of magic numbers.
19979         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
19980         (QI_REG_P): Ditto.
19981         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
19982         (x86_64_ms_abi_int_parameter_registers): Ditto.
19983         (x86_64_int_return_registers): Ditto.
19984         (ix86_maybe_switch_abi): Ditto.
19985         (ix86_expand_call): Ditto for clobbered_registers array.
19986         (ix86_hard_regno_mode_ok): Ditto.
19987         (x86_extended_QIreg_mentioned_p): Ditto.
19988
19989 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
19990
19991         PR tree-optimization/39349
19992         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
19993
19994         * combine.c (gen_lowpart_for_combine): Use omode when generating
19995         clobber.
19996
19997 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
19998
19999         PR rtl-optimization/39235
20000         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
20001
20002 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
20003
20004         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
20005
20006 2009-03-04  Richard Guenther  <rguenther@suse.de>
20007
20008         PR tree-optimization/39362
20009         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
20010         that occur in abnormal PHIs should be varying.
20011
20012 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
20013
20014         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
20015         Extend comments.
20016         (simple_iv):  Take loop as an argument instead of statement.
20017         * tree-scalar-evolution.h (simple_iv): Declaration changed.
20018         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
20019         to simple_iv.
20020         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
20021         Ditto.
20022         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
20023         * matrix-reorg.c (analyze_transpose): Ditto.
20024         * tree-data-ref.c (dr_analyze_innermost): Ditto.
20025         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
20026         * tree-predcom.c (ref_at_iteration): Ditto.
20027         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
20028
20029 2009-03-04  Richard Guenther  <rguenther@suse.de>
20030
20031         PR tree-optimization/39358
20032         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
20033         escaped_id and callused_id.
20034         (solve_graph): Likewise.
20035
20036 2009-03-04  Richard Guenther  <rguenther@suse.de>
20037
20038         PR tree-optimization/39339
20039         * tree-sra.c (try_instantiate_multiple_fields): Make it
20040         no longer ICE on the above.
20041
20042 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
20043
20044         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
20045         that fits within Pmode.
20046
20047 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
20048
20049         PR middle-end/10109
20050         * tm.texi (LIBCALL_VALUE): Update description.
20051
20052 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
20053
20054         PR middle-end/34443
20055         * doc/extend.texi (section): Update description.
20056
20057 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
20058
20059         PR middle-end/39345
20060         * tree-inline.c (remapped_type): New.
20061         (can_be_nonlocal): Call remapped_type instead of remap_type.
20062
20063 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
20064
20065         PR fortran/39354
20066         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
20067         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
20068
20069 2009-03-03  Richard Guenther  <rguenther@suse.de>
20070
20071         PR middle-end/39272
20072         * tree.c (tree_nonartificial_location): New function.
20073         * tree.h (tree_nonartificial_location): Declare.
20074         * builtins.c (expand_builtin_memory_chk): Provide location
20075         of the call location for artificial function pieces.
20076         (maybe_emit_chk_warning): Likewise.
20077         (maybe_emit_sprintf_chk_warning): Likewise.
20078         (maybe_emit_free_warning): Likewise.
20079         * expr.c (expand_expr_real_1): Likewise.
20080
20081 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
20082
20083         PR tree-optimization/39343
20084         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
20085         COMPONENT_REF t has ARRAY_TYPE.
20086
20087 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
20088
20089         PR middle-end/39335
20090         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
20091         when the type precision of the induction variable should be
20092         larger than the type precision of nit.
20093         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
20094         * graphite.c (graphite_loop_normal_form): Same.
20095         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
20096
20097 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
20098
20099         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
20100         (*call_1_rex64_ms_sysv): Use named constants instead of magic
20101         numbers to describe clobbered registers.
20102         (*call_value_0_rex64_ms_sysv): Ditto.
20103         * config/i386/mmx.md (mmx_emms): Ditto.
20104         (mmx_femms): Ditto.
20105
20106 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
20107
20108         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
20109         of ABI_64.
20110
20111 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
20112
20113         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
20114         (spu_section_type_flags): New function.
20115
20116 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
20117
20118         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
20119         reg_class_contents of FLOAT_REGS into a temporary.
20120
20121 2009-03-02  Richard Guenther  <rguenther@suse.de>
20122             Ira Rosen  <irar@il.ibm.com>
20123
20124         PR tree-optimization/39318
20125         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
20126         information to the vectorized statement.
20127
20128 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
20129
20130         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
20131         variable.  Use defined names instead of magic constants for REX SSE
20132         registers.
20133
20134 2009-03-01  Richard Guenther  <rguenther@suse.de>
20135
20136         PR tree-optimization/39331
20137         * omp-low.c (lower_send_shared_vars): Do not receive new
20138         values for the reference of DECL_BY_REFERENCE parms or results.
20139
20140 2009-03-01  Jan Hubicka  <jh@suse.cz>
20141
20142         PR debug/39267
20143         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
20144         BLOCK_NONLOCALIZED_VAR): New macros.
20145         (tree_block): Add nonlocalized_vars.
20146         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
20147         gen_decl_die): Add origin argument.  Allow generation of die with
20148         origin at hand only.
20149         (gen_member_die, gen_type_die_with_usage, force_decl_die,
20150         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
20151         of gen_*.
20152         (gen_block_die): Fix checking for unused blocks.
20153         (process_scope_var): Break out from .... ; work with origins only.
20154         (decls_for_scope) ... here; process nonlocalized list.
20155         (dwarf2out_ignore_block): Look for nonlocalized vars.
20156         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
20157         vars.
20158         (dump_scope_block): Dump them.
20159         * tree-inline.c (remap_decls): Handle nonlocalized vars.
20160         (remap_block): Likewise.
20161         (can_be_nonlocal): New predicate.
20162         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
20163
20164 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
20165
20166         * configure: Regenerate.
20167
20168 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
20169
20170         * optc-gen.awk: No need to duplicate option flags twice.
20171         Reuse help texts for duplicate options which do not have any.
20172
20173         * gcc.c (display_help): Document --version.
20174
20175         * gcc.c (main): If print_help_list and verbose_flag, ensure
20176         driver output comes before subprocess output.
20177
20178         * optc-gen.awk: Assign all remaining fields to help string,
20179         space-separated, for multi-line help in *.opt.
20180
20181         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
20182         -Wno-pedantic-ms-format is for MinGW targets only.
20183
20184         * doc/options.texi (Option file format): Fix bad indentation,
20185         restoring dropped sentence.
20186
20187 2009-02-28  Jan Hubicka  <jh@suse.cz>
20188
20189         * tree-inline.c (tree_function_versioning): Output debug info.
20190
20191 2009-02-28  Jan Hubicka  <jh@suse.cz>
20192
20193         PR debug/39267
20194         * tree-inline.c (setup_one_parameter): Do not copy propagate
20195         arguments when not optimizing.
20196
20197 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
20198
20199         PR target/39327
20200         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
20201         (avx_addsubv4df3): Likewise.
20202         (*avx_addsubv4sf3): Likewise.
20203         (sse3_addsubv4sf3): Likewise.
20204         (*avx_addsubv2df3): Likewise.
20205         (sse3_addsubv2df3): Likewise.
20206         (avx_unpckhps256): Correct item selectors.
20207         (avx_unpcklps256): Likewise.
20208         (avx_unpckhpd256): Likewise.
20209         (avx_unpcklpd256): Likewise.
20210
20211 2009-02-28  Jan Hubicka  <jh@suse.cz>
20212
20213         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
20214         static vars.
20215         (copy_arguments_for_versioning): If var is declared don't declare it.
20216         (tree_function_versioning): First setup substitutions and then copy
20217         args.
20218
20219 2009-02-27  Jan Hubicka  <jh@suse.cz>
20220
20221         PR debug/39267
20222         * cgraph.h (varpool_output_debug_info): Remove.
20223         * cgraphunit.c (varpool_output_debug_info): Remove.
20224         * dwarf2out.c (deferred_locations_struct): New struct
20225         (deferred_locations): New type.
20226         (deferred_locations_list): New static var.
20227         (deffer_location): New function.
20228         (gen_variable_die): Use it.
20229         (decls_for_scope): Output info on local static vars.
20230         (dwarf2out_finish): Process deferred locations.
20231         * varpool.c (varpool_output_debug_info): Remove.
20232
20233 2009-02-27  Jan Hubicka  <jh@suse.cz>
20234
20235         PR debug/39267
20236         * tree.h (TREE_PROTECTED): Fix comment.
20237         (BLOCK_HANDLER_BLOCK): Remove.
20238         (struct tree_block): Remove handler_block add body_block.
20239         (inlined_function_outer_scope_p): New.
20240         (is_body_block): Remove.
20241         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
20242         * dwarf2out.c (is_inlined_entry_point): Remove.
20243         (add_high_low_attributes): Use inlined_function_outer_scope_p.
20244         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
20245         code.
20246         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
20247         * gimplify.c (gimplify_expr): Gimplify body blocks.
20248         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
20249         block with multiple subblocks.
20250         (dump_scope_block): Prettier output; dump more flags and info.
20251         (dump_scope_blocks): New.
20252         (remove_unused_locals): Use dump_scope_blocks.
20253         * tree-flow.h (dump_scope_blocks): Declare.
20254         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
20255         * stmt.c (is_body_block): Remove.
20256         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
20257         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
20258
20259 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
20260
20261         PR middle-end/39308
20262         * graphite.c (graphite_loop_normal_form): Do not call
20263         number_of_iterations_exit from a gcc_assert.
20264
20265 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
20266
20267         * config/s390/s390.c (s390_swap_cmp): Look for conditional
20268         jumps if COND is NULL.
20269         (find_cond_jump): New function.
20270         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
20271         * config/s390/s390.md: Remove z10_cobra attribute value.
20272
20273 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
20274
20275         * config/alpha/alpha.h (alpha_expand_mov): Return false if
20276         force_const_mem returns NULL_RTX.
20277
20278 2009-02-26  Jan Hubicka  <jh@suse.cz>
20279
20280         PR debug/39267
20281         * cgraph.h (varpool_output_debug_info): Remove.
20282         * cgraphunit.c (varpool_output_debug_info): Remove.
20283         * dwarf2out.c (deferred_locations_struct): New struct
20284         (deferred_locations): New type.
20285         (deferred_locations_list): New static var.
20286         (deffer_location): New function.
20287         (gen_variable_die): Use it.
20288         (decls_for_scope): Output info on local static vars.
20289         (dwarf2out_finish): Process deferred locations.
20290         * varpool.c (varpool_output_debug_info): Remove.
20291
20292 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
20293
20294         PR rtl-optimization/39241
20295         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
20296         to subreg_offset_representable_p.
20297
20298 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
20299
20300         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
20301         execute function prototype.  Get f and nregs from max_reg_num
20302         and get_insns.  Remove the first backward pass as it's dead,
20303         guard the forward pass by flag_expensive_optimizations.
20304         (rest_of_handle_regmove): Delete.
20305         (pass_regmove): Replace it with regmove_optimize.
20306
20307 2009-02-25  Martin Jambor  <mjambor@suse.cz>
20308
20309         PR tree-optimization/39259
20310         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
20311         calls_alloca function flags.
20312         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
20313         calls are detected.
20314
20315 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
20316
20317         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
20318         flags_set_1_rtx, flags_set_1_set): Delete.
20319         (regmove_optimize): Do not call mark_flags_life_zones.
20320
20321 2009-02-24  Julian Brown  <julian@codesourcery.com>
20322
20323         PR target/35965
20324         * config/arm/arm.c (require_pic_register): Only set
20325         cfun->machine->pic_reg once per function.
20326
20327 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
20328
20329         * doc/invoke.texi (Link Options): Document an easier way to pass
20330         options that take arguments to the GNU linker using -Xlinker and -Wl.
20331
20332 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
20333
20334         PR target/33785
20335         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
20336
20337 2009-02-24  Richard Guenther  <rguenther@suse.de>
20338
20339         PR debug/39285
20340         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
20341
20342 2009-02-24  Richard Guenther  <rguenther@suse.de>
20343             Zdenek Dvorak  <ook@ucw.cz>
20344
20345         PR tree-optimization/39233
20346         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
20347         from converting them to a generic type.
20348
20349 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
20350
20351         PR tree-optimization/39260
20352         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
20353         contains a condition with a real type.
20354         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
20355
20356 2009-02-23  Jason Merrill  <jason@redhat.com>
20357
20358         PR c++/38880
20359         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
20360         narrowing_initializer_constant_valid_p.
20361         (narrowing_initializer_constant_valid_p): Don't return
20362         null_pointer_node for adding a pointer to itself.
20363
20364 2009-02-23  Jan Hubicka  <jh@suse.cz>
20365
20366         PR c/12245
20367         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
20368         resizing.
20369
20370 2009-02-23  Jan Hubicka  <jh@suse.cz>
20371
20372         PR tree-optimization/37709
20373         * tree.c (block_ultimate_origin): Move here from dwarf2out.
20374         * tree.h (block_ultimate_origin): Declare.
20375         * dwarf2out.c (block_ultimate_origin): Move to tree.c
20376         * tree-ssa-live.c (remove_unused_scope_block_p):
20377         Eliminate blocks containig no instructions nor live variables nor
20378         nested blocks.
20379         (dump_scope_block): New function.
20380         (remove_unused_locals): Enable removal of dead blocks by default;
20381         enable dumping at TDF_DETAILS.
20382
20383 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
20384
20385         * config/i386/i386.c (classify_argument): Don't allow COImode
20386         and OImode.
20387         (function_arg_advance_32): Don't allow OImode.
20388         (function_arg_32): Likewise.
20389         (function_value_32): Likewise.
20390         (return_in_memory_32): Likewise.
20391         (function_arg_64): Remove OImode comment.
20392
20393 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
20394
20395         PR target/39261
20396         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
20397         ix86_expand_vector_set for V4DImode in 64bit mode only.
20398         (ix86_expand_vector_init_one_var): Likewise.
20399
20400 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
20401
20402         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
20403
20404 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
20405
20406         PR bootstrap/39257
20407         * loop-iv.c: Revert last change.
20408         * emit-rtl.c: Likewise.
20409
20410 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
20411
20412         PR target/39256
20413         * config/i386/i386.c (type_natural_mode): Remove an extra
20414         space in the warning message.
20415         (function_value_32): Handle 32-byte vector modes.
20416         (return_in_memory_32): Likewise.
20417
20418 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
20419
20420         * loop-iv.c (truncate_value): New function.
20421         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
20422         of lowpart_subreg.
20423         (lowpart_subreg): Move to...
20424         * emit-rtl.c: ...here.
20425
20426 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
20427
20428         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
20429         accidental and undocumented change at revision 140860.
20430
20431 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
20432
20433         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
20434         take gimple_seq * arguments.
20435         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
20436         types_compatible_p langhook.
20437
20438 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
20439             Joseph Myers  <joseph@codesourcery.com>
20440
20441         * config/arm/arm.c (arm_builtin_va_list): New function.
20442         (arm_expand_builtin_va_start): Likewise.
20443         (arm_gimplify_va_arg_expr): Likewise.
20444         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
20445         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
20446         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
20447         (va_list_type): New variable.
20448         (arm_mangle_type): Mangle va_list_type appropriately.
20449
20450 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
20451
20452         PR middle-end/39157
20453         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
20454         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
20455         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
20456         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
20457         parameter to 1000 for -O1 by default.
20458         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
20459         parameter.
20460         * loop-invariant.c: Include params.h.
20461         (move_loop_invariants): Don't call move_single_loop_invariants on
20462         very large loops.
20463
20464 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
20465
20466         * calls.c (emit_library_call_value_1): Use slot_offset instead of
20467         offset when calculating bounds for indexing stack_usage_map.  Fixes
20468         a buffer overflow with certain target setups.
20469
20470 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
20471
20472         PR target/39240
20473         * calls.c (expand_call): Clear try_tail_call if caller and callee
20474         disagree in promotion of function return value.
20475
20476 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
20477
20478         PR target/39175
20479         * c-common.c (c_determine_visibility): If visibility changed and
20480         DECL_RTL has been already set, call make_decl_rtl to update symbol
20481         flags.
20482
20483 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
20484
20485         PR c++/39188
20486         * varasm.c (assemble_variable): Don't check DECL_NAME when
20487         globalizing a variable.
20488
20489 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
20490
20491         PR c/38483
20492         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
20493         expression before any __builtin_trap call.
20494         * c-typeck.c (build_function_call): Convert and check function
20495         arguments before generating a call to a trap.  Evaluate the
20496         function arguments before the trap.
20497
20498 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
20499
20500         PR target/39228
20501         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
20502         (UNSPEC_FXAM_MEM): New unspec.
20503         (fxam<mode>2_i387_with_temp): New insn and split pattern.
20504         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
20505         memory using fxam<mode>2_i387_with_temp to remove excess precision.
20506
20507 2009-02-19  Richard Guenther  <rguenther@suse.de>
20508
20509         PR tree-optimization/39207
20510         PR tree-optimization/39074
20511         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
20512         storedanything_tree): New.
20513         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
20514         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
20515         (build_succ_graph): Add edges from STOREDANYTHING to all
20516         non-direct nodes.
20517         (init_base_vars): Initialize STOREDANYTHING.
20518         (compute_points_to_sets): Free substitution info after
20519         building the succ graph.
20520         (ipa_pta_execute): Likewise.
20521
20522         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
20523         field.
20524         (do_ds_constraint): Do not add to special var or non-pointer
20525         field solutions.
20526         (type_could_have_pointers): Split out from ...
20527         (could_have_pointers): ... here.  For arrays use the element type.
20528         (create_variable_info_for): Initialize may_have_pointers.
20529         (new_var_info): Likewise.
20530         (handle_lhs_call): Make the HEAP variable unknown-sized.
20531         (intra_create_variable_infos): Use a type with pointers for
20532         PARM_NOALIAS, make it unknown-sized.
20533
20534 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
20535
20536         PR target/39224
20537         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
20538
20539 2009-02-18  Jason Merrill  <jason@redhat.com>
20540
20541         PR target/39179
20542         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
20543         value if DECL_EXTERNAL.
20544         * tree-sra.c (sra_walk_gimple_assign): Likewise.
20545         * target.h (gcc_target::binds_local_p): Clarify "module".
20546         * tree.h (TREE_PUBLIC): Clarify "module".
20547
20548 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
20549
20550         PR target/38891
20551         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
20552         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
20553
20554 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
20555
20556         PR target/39082
20557         * c.opt (Wabi): Support C and ObjC.
20558         (Wpsabi): New.
20559
20560         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
20561
20562         * config/i386/i386.c (classify_argument): Warn once about the ABI
20563         change when passing union with long double.
20564
20565         * doc/invoke.texi: Update -Wabi for warning psABI changes.
20566
20567 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
20568
20569         PR c/35447
20570         * c-parser.c (c_parser_compound_statement): Always enter and leave
20571         a scope.
20572
20573 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20574
20575         PR target/34587
20576         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
20577
20578 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
20579
20580         PR tree-optimization/36922
20581         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
20582         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
20583         Likewise.
20584
20585 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
20586
20587         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
20588         to 0 for EABI64.
20589
20590 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
20591
20592         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
20593
20594 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
20595
20596         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
20597         tree sharing.
20598
20599 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
20600             Richard Sandiford  <rdsandiford@googlemail.com>
20601
20602         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
20603         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
20604         (loongson_biadd): ...this.
20605
20606 2009-02-17  Richard Guenther  <rguenther@suse.de>
20607
20608         PR tree-optimization/39202
20609         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
20610         a var make sure to follow existing collapses.
20611
20612 2009-02-17  Richard Guenther  <rguenther@suse.de>
20613
20614         PR middle-end/39214
20615         * langhooks.c (lhd_print_error_function): Check for NULL block.
20616
20617 2009-02-17  Richard Guenther  <rguenther@suse.de>
20618
20619         PR tree-optimization/39204
20620         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
20621         of the PHI arg.
20622
20623 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
20624
20625         * config/soft-fp/double.h: Update from glibc CVS.
20626
20627 2009-02-17  Richard Guenther  <rguenther@suse.de>
20628
20629         PR tree-optimization/39207
20630         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
20631         strict-aliasing warnings for pointers pointing to NULL.
20632
20633 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
20634
20635         PR c/35446
20636         * c-parser.c (c_parser_braced_init): Call pop_init_level when
20637         skipping until next close brace.
20638
20639 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
20640
20641         PR target/37049
20642         * config/i386/i386.c (ix86_expand_push): Set memory alignment
20643         to function argument boundary.
20644
20645 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
20646
20647         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
20648         in the lea_add. Reload eventually constraints it properly.
20649         * config/picochip/constraints.md: Remove the target constraint
20650         "b", since it is not needed anymore.
20651
20652 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
20653
20654         * gthr-dce.h: Uglify function parameter and local variable names.
20655         * gthr-gnat.h: Likewise.
20656         * gthr-mipssde.h: Likewise.
20657         * gthr-nks.h: Likewise.
20658         * gthr-posix95.h: Likewise.
20659         * gthr-posix.h: Likewise.
20660         * gthr-rtems.h: Likewise.
20661         * gthr-single.h: Likewise.
20662         * gthr-solaris.h: Likewise.
20663         * gthr-tpf.h: Likewise.
20664         * gthr-vxworks.h: Likewise.
20665         * gthr-win32.h: Likewise.
20666
20667 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
20668
20669         PR target/39196
20670         * config/i386/i386.md: Restrict the new peephole2 to move
20671         between MMX/SSE registers.
20672
20673 2009-02-15  Richard Guenther  <rguenther@suse.de>
20674
20675         Revert
20676         2009-02-13  Richard Guenther  <rguenther@suse.de>
20677
20678         * configure.ac: Enable LFS.
20679         * configure: Re-generate.
20680         * config.in: Likewise.
20681
20682 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
20683
20684         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
20685         spu_srqwbyte, spu_srqwbytebc): Define.
20686         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
20687         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
20688         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
20689         "shrqby_<mode>"): New insn-and-split patterns.
20690         * config/spu/spu.c (expand_builtin_args): Determine and return
20691         number of operands using spu_builtin_description data.
20692         (spu_expand_builtin_1): Use it.
20693
20694 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
20695
20696         PR target/38056
20697         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
20698         TARGET_CONST_GP.
20699
20700 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
20701
20702         PR target/39149
20703         * config/i386/i386.c (override_options): Correct warning
20704         messages for -malign-loops, -malign-jumps and -malign-functions.
20705
20706 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
20707
20708         PR target/39152
20709         * config/i386/i386.md: Restrict the new peephole2 to move
20710         between the general purpose registers.
20711
20712 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
20713
20714         PR target/39162
20715         * config/i386/i386.c (type_natural_mode): Add a new argument.
20716         Return the original mode and warn ABI change if vector size is 32byte.
20717         (function_arg_advance): Updated.
20718         (function_arg): Likewise.
20719         (ix86_function_value): Likewise.
20720         (ix86_return_in_memory): Likewise.
20721         (ix86_sol10_return_in_memory): Likewise.
20722         (ix86_gimplify_va_arg): Likewise.
20723         (function_arg_32): Don't warn ABX ABI change here.
20724         (function_arg_64): Likewise.
20725
20726 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
20727
20728         * loop-iv.c (implies_p): In the final case, test that operands 0
20729         of the two comparisons match.
20730
20731         * config/bfin/bfin.c (find_prev_insn_start): New function.
20732         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
20733         (find_next_insn_start): Move.
20734
20735 2009-02-13  Richard Guenther  <rguenther@suse.de>
20736
20737         * configure.ac: Enable LFS.
20738         * configure: Re-generate.
20739         * config.in: Likewise.
20740
20741 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
20742
20743         PR c/35444
20744         * c-parser.c (c_parser_parms_list_declarator): Discard pending
20745         sizes on syntax error after some arguments have been parsed.
20746
20747 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
20748
20749         * doc/invoke.texi (-fira): Remove.
20750
20751 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
20752
20753         * caller-save.c: Replace regclass.c with reginfo.c in comments.
20754         * recog.c: Likewise.
20755         * rtl.h: Likewise.
20756
20757 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
20758
20759         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
20760         (umul_ppmm): Likewise.
20761         (count_leading_zeros): Likewise.
20762         (count_trailing_zeros): Likewise.
20763         (UMUL_TIME): Likewise.
20764
20765 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
20766
20767         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
20768         soft-fp/t-softfp to tmake_file.
20769
20770         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
20771         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
20772         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
20773         IA64_BUILTIN_INFQ]: New.
20774         (ia64_init_builtins): Initialize __builtin_infq,
20775         __builtin_fabsq and __builtin_copysignq if not HPUX.
20776         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
20777         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
20778
20779         * config/ia64/lib1funcs.asm (__divtf3): Define only if
20780         SHARED is defined.
20781         (__fixtfti): Likewise.
20782         (__fixunstfti): Likewise.
20783         (__floattitf): Likewise.
20784
20785         * config/ia64/libgcc-glibc.ver: New.
20786         * config/ia64/t-fprules-softfp: Likewise.
20787         * config/ia64/sfp-machine.h: Likewise.
20788
20789         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
20790         (LIBGCC2_TF_CEXT): Likewise.
20791         (TF_SIZE): Likewise.
20792         (TARGET_INIT_LIBFUNCS): Likewise.
20793
20794         * config/ia64/t-glibc (SHLINB_MAPFILES):
20795         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
20796
20797 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
20798
20799         * config/i386/i386.c (construct_container): Rewrite processing
20800         BLKmode with X86_64_SSE_CLASS.
20801
20802 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
20803
20804         PR target/39152
20805         * config/i386/i386.md: Replace simplify_replace_rtx with
20806         replace_rtx in the new peephole2.
20807
20808 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
20809
20810         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
20811         loop unrolling do not happen at -O2.
20812
20813 2009-02-12  Michael Matz  <matz@suse.de>
20814
20815         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
20816
20817 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
20818
20819         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
20820         for -g3.
20821
20822 2009-02-12  Ben Elliston  <bje@au.ibm.com>
20823
20824         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
20825         patterns when updating the back chain.  Missed in the 2009-02-10
20826         change.
20827
20828 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
20829
20830         * doc/extend.texi (Decimal Floating Types): Update identifier of
20831         draft TR and list of missing support.
20832
20833 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
20834
20835         PR middle-end/39154
20836         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
20837         bit to variable length decl's flags, add it also to its
20838         pointer replacement variable.
20839
20840 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
20841             Jakub Jelinek  <jakub@redhat.com>
20842
20843         PR target/39118
20844         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
20845         (memory_blockage): New expander.
20846         (*memory_blockage): New insn pattern.
20847         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
20848         instead of general blockage at the end of function prologue when
20849         frame pointer is used to access red zone area.  Do not emit blockage
20850         when profiling, it is emitted in generic code.
20851         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
20852         function epilogue when frame pointer is used to access red zone area.
20853
20854 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
20855
20856         PR target/38824
20857         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
20858         by arithmetic with memory operands.
20859         * config/i386/predicates.md (commutative_operator): New.
20860
20861 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
20862
20863         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
20864         bulleted lists.
20865
20866 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
20867
20868         * alias.h (record_alias_subset): Declare.
20869         * alias.c (record_alias_subset): Make global.
20870
20871 2009-02-10  Nick Clifton  <nickc@redhat.com>
20872
20873         * tree-parloops.c: Change license to GPLv3.
20874         * ipa-struct-reorg.c: Change license to GPLv3.
20875         * ipa-struct-reorg.h: Change license to GPLv3.
20876
20877 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
20878
20879         PR c/39084
20880         * c-decl.c (start_struct): Return NULL on error.
20881
20882 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
20883
20884         PR middle-end/39124
20885         * cfgloopmanip.c (remove_path): Call remove_bbs after
20886         cancel_loop_tree, not before it.
20887
20888         PR target/39139
20889         * function.h (struct function): Add has_local_explicit_reg_vars bit.
20890         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
20891         VAR_DECLs were seen.
20892         * tree-ssa-live.c (remove_unused_locals): Recompute
20893         cfun->has_local_explicit_reg_vars.
20894         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
20895         copies or clearings if cfun->has_local_explicit_reg_vars.
20896
20897 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
20898
20899         PR target/39118
20900         * config/i386/i386.c (expand_prologue): Emit blockage at the end
20901         of function prologue when frame pointer is used to access
20902         red zone area.
20903
20904 2009-02-10  Richard Guenther  <rguenther@suse.de>
20905
20906         PR middle-end/39127
20907         * gimplify.c (gimple_regimplify_operands): Always look if
20908         we need to create a temporary.
20909
20910 2009-02-10  Richard Guenther  <rguenther@suse.de>
20911
20912         PR tree-optimization/39132
20913         * tree-loop-distribution.c (todo): New global var.
20914         (generate_memset_zero): Trigger TODO_rebuild_alias.
20915         (tree_loop_distribution): Return todo.
20916
20917 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
20918
20919         PR target/39119
20920         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
20921         (x86_64_reg_class_name): Removed.
20922         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
20923         first one isn't X86_64_SSE_CLASS or any other ones aren't
20924         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
20925         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
20926         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
20927         and 3 X86_64_SSEUP_CLASS.
20928         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
20929         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
20930
20931 2009-02-10  Ben Elliston  <bje@au.ibm.com>
20932
20933         * config/rs6000/rs6000.md (allocate_stack): Always use an update
20934         form instruction to update the stack back chain word, even if the
20935         user has disabled the generation of update instructions.
20936         (movdi_<mode>_update_stack): New.
20937         (movsi_update_stack): Likewise.
20938         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
20939         always use an update form instruction to update the stack back
20940         chain word.
20941
20942 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
20943
20944         PR middle-end/38953
20945         * graphite.c (if_region_set_false_region): After moving a region in
20946         the false branch of a condition, remove the empty dummy basic block.
20947         (gloog): Remove wrong fix for PR38953.
20948
20949 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
20950
20951         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
20952         generation due to implicit sign extension.
20953
20954 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
20955
20956         PR middle-end/38981
20957         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
20958         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
20959
20960 2009-02-09  Richard Guenther  <rguenther@suse.de>
20961
20962         PR middle-end/35202
20963         * convert.c (convert_to_real): Disable (float)fn((double)x)
20964         to fnf(x) conversion if errno differences may occur and
20965         -fmath-errno is set.
20966
20967 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
20968
20969         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
20970         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
20971         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
20972
20973 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
20974
20975         PR c/35434
20976         * c-common.c (handle_alias_attribute): Disallow attribute for
20977         anything not a FUNCTION_DECL or VAR_DECL.
20978
20979 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
20980
20981         PR c/39035
20982         * real.c (do_compare): Special-case compare of zero against
20983         decimal float value.
20984
20985 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
20986
20987         PR c/36432
20988         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
20989         as indicating flexible array members unless the field itself is
20990         being declarared as the incomplete array.
20991
20992 2009-02-06  Jan Hubicka  <jh@suse.cz>
20993
20994         PR tree-optimization/38844
20995         * ipa-inline.c (try_inline): Stop inlining recursion when edge
20996         is already inlined.
20997
20998 2009-02-06  Richard Guenther  <rguenther@suse.de>
20999
21000         PR middle-end/38977
21001         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
21002         fork because we may expand it as __gcov_fork.
21003
21004 2009-02-06  Nick Clifton  <nickc@redhat.com>
21005
21006         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
21007
21008 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
21009
21010         PR tree-optimization/35659
21011         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
21012         vn_phi_eq): Shortcut if hashcode does not match.
21013         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
21014         NULL operands.
21015         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
21016         and avoid iterative_hash_expr.
21017         (FOR_EACH_VALUE_ID_IN_SET): New.
21018         (value_id_compare): Remove.
21019         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
21020         sort expressions by value id.
21021
21022 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
21023
21024         PR target/38991
21025         * config/sh/predicates.md (general_movsrc_operand): Don't check
21026         the subreg of system registers here.
21027
21028 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
21029
21030         PR c++/39106
21031         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
21032         on the copied decl.
21033
21034 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
21035
21036         PR rtl-optimization/39110
21037         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
21038         addresses, not aligned ones.
21039
21040 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
21041             Richard Guenther  <rguenther@suse.de>
21042
21043         PR tree-optimization/39100
21044         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
21045         comment says and add edges.
21046
21047 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
21048
21049         PR c/35435
21050         * c-common.c (handle_tls_model_attribute): Ignore attribute for
21051         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
21052
21053 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
21054
21055         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
21056         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
21057         register_bb_in_sese, new_sese, free_sese): Moved.
21058         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
21059         outermost_loop_in_scop, build_scop_iteration_domain,
21060         expand_scalar_variables_ssa_name, get_vdef_before_scop,
21061         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
21062         Use loop_in_sese_p instead of loop_in_scop_p.
21063         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
21064         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
21065         (scopdet_basic_block_info): Fix bug in scop detection.
21066         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
21067         eq_loop_to_cloog_loop): Remove.
21068         (nb_loops_around_loop_in_scop, nb_loop
21069         ref_nb_loops): Moved here...
21070         * graphite.h (ref_nb_loops): ... from here.
21071         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
21072         (loop_domain_dim, loop_iteration_vector_dim): Remove.
21073         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
21074         * testsuite/gcc.dg/graphite/scop-19.c: New
21075
21076 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
21077             Hans-Peter Nilsson  <hp@axis.com>
21078
21079         PR rtl-optimization/37889
21080         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
21081         Move offset handling from PLUS to before the switch.  Use new
21082         arguments when considering SYMBOL_REFs too.
21083         (rtx_addr_can_trap_p): Pass dummy offset and size.
21084         (enum may_trap_p_flags): Remove.
21085         (may_trap_p_1): Pass size from MEM_SIZE.
21086
21087         PR rtl-optimization/38921
21088         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
21089         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
21090         * rtlanal.c (may_trap_after_code_motion_p): Delete.
21091         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
21092
21093 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
21094
21095         AVX Programming Reference (January, 2009)
21096         * config/i386/sse.md (*vpclmulqdq): New.
21097
21098 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
21099
21100         PR tree-optimization/38977
21101         PR gcov-profile/38292
21102         * calls.c (special_function_p): Disregard __builtin_ prefix.
21103
21104 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
21105
21106         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
21107         non-indexable addresses even before reload.
21108
21109 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
21110
21111         PR c/29129
21112         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
21113         as having variable size.  Do not give an error for unnamed
21114         parameters with [*] declarators.  Give a warning for type names
21115         with [*] declarators and mark them as variable size.
21116         * c-parser.c (c_parser_sizeof_expression): Do not give an error
21117         for sizeof applied to [*] type names.
21118
21119 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
21120
21121         PR C++/36607
21122         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
21123
21124 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
21125
21126         * gcc.c (process_command): Update copyright notice dates.
21127         * gcov.c (print_version): Likewise.
21128         * gcov-dump.c (print_version): Likewise.
21129         * mips-tfile.c (main): Likewise.
21130         * mips-tdump.c (main): Likewise.
21131
21132 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
21133
21134         PR c/35433
21135         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
21136         for composite type involving a zero-length array type.
21137
21138 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
21139
21140         PR target/35318
21141         * function.c (match_asm_constraints_1): Skip over
21142         initial optional % in the constraint.
21143
21144         PR inline-asm/39059
21145         * c-parser.c (c_parser_postfix_expression): If fixed point is not
21146         supported, don't accept FIXED_CSTs.
21147         * c-decl.c (finish_declspecs): Error if fixed point is not supported
21148         and _Sat is used without _Fract/_Accum.  Set specs->type to
21149         integer_type_node for cts_fract/cts_accum if fixed point is not
21150         supported.
21151
21152 2009-02-02  Catherine Moore  <clm@codesourcery.com>
21153
21154         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
21155
21156 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
21157
21158         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
21159         (ABI_HAS_64BIT_SYMBOLS): Use it.
21160         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
21161
21162 2009-02-02  Paul Brook  <paul@codesourcery.com>
21163
21164         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
21165
21166 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
21167
21168         PR inline-asm/39058
21169         * recog.h (asm_operand_ok): Add constraints argument.
21170         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
21171         recurse on matching constraint.
21172         (check_asm_operands): Pass constraints as 3rd argument to
21173         asm_operand_ok.  Don't look up matching constraint here.
21174         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
21175         to asm_operand_ok.
21176
21177 2009-02-02  Ben Elliston  <bje@au.ibm.com>
21178
21179         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
21180         TARGET_NARROW_VOLATILE_BITFIELD macro names.
21181
21182 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21183
21184         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
21185         information.  Remove some obsolete information.  Reorganize.
21186
21187         * config/pa/fptr.c: Revert license to GPL 2.
21188         * config/pa/milli64.S: Likewise.
21189
21190 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
21191
21192         PR target/38904
21193         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
21194         LIBRARY name in, instead of hard-coding it.
21195         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
21196         extra target make frag to tmake_files according to EH model.
21197         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
21198         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
21199         frags that define makefile variable EH_MODEL appropriately.
21200         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
21201         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
21202         to "-sjlj" according to type of EH configured.
21203         (LIBGCC_SONAME):  Concatenate it to shared library base name.
21204         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
21205         to "_sjlj" according to type of EH configured.
21206         (LIBGCC_SONAME):  Concatenate it to shared library base name.
21207         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
21208         (SHLIB_LINK):  Add missing semicolon to if-else construct.
21209         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
21210         string value of "pe_dll" command-line option.
21211         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
21212         (SHLIB_SONAME):  Use it when overriding t-cygming default.
21213         (SHLIB_IMPLIB):  Override t-cygming default.
21214         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
21215         string value of "pe_dll" command-line option.
21216
21217 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
21218
21219         PR target/38952
21220         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
21221         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
21222
21223 2009-01-31  Richard Guenther  <rguenther@suse.de>
21224
21225         PR tree-optimization/38937
21226         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
21227         computing the transitive closure.
21228
21229 2009-01-30  Richard Guenther  <rguenther@suse.de>
21230
21231         PR tree-optimization/39041
21232         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
21233         Propagate variable indices only if the types match for this stmt.
21234
21235 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
21236
21237         PR target/39013
21238         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
21239         inline but never defined.
21240
21241 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
21242
21243         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
21244         (*insv_h_di_reg_extimm): New insn.
21245         (*insv_l<mode>_reg_extimm): New insn.
21246
21247 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
21248
21249         * config/picochip/picochip.c (flag_conserve_stack): set
21250         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
21251         fconserve-stack. Reduce call-overhead used by inliner.
21252
21253 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
21254
21255         PR/38157
21256         * common.opt (flag_conserve_stack): Initialised to zero.
21257
21258 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
21259
21260         PR/39002
21261         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
21262         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
21263         method.
21264
21265 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
21266
21267         * ira-color.c (allocno_reload_assign): Update comments.
21268         * regmove.c (regmove_optimize): Likewise.
21269
21270         * ra.h: Removed.
21271
21272 2009-01-29  Robert Millan  <rmh@aybabtu.com>
21273
21274         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
21275         * config/i386/kopensolaris-gnu.h: New file.  Undefine
21276         `MD_UNWIND_SUPPORT'.
21277         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
21278
21279 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
21280
21281         PR tree-optimization/39007
21282         * tree-loop-distribution.c (generate_builtin): Use
21283         recompute_dominator to compute the immediate dominator of the
21284         basic block just after the loop.
21285
21286 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
21287
21288         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
21289         (ASM_OUTPUT_DWARF_PCREL): Define.
21290
21291 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
21292
21293         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
21294         * doc/passes.texi: Remove entries about regclass, local-alloc, and
21295         global.  Modify entries about regmove and IRA.
21296
21297         * ra-conflict.c: Remove the file.
21298
21299         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
21300
21301         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
21302         (pass_regclass_init): Rename to pass_reginfo_init.
21303
21304         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
21305
21306         * toplev.h (flag_ira): Remove.
21307
21308         * caller-save.c (setup_save_areas): Remove flag_ira.
21309
21310         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
21311
21312         * global.c: Remove the file.
21313
21314         * opts.c (decode_options): Remove flag_ira.
21315
21316         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
21317
21318         * regmove.c: Modify file description.
21319         (find_use_as_address, try_auto_increment): Define them only if
21320         AUTO_INC_DEC is defined.
21321         (replacement_quality, replace_in_call_usage, fixup_match_1,
21322         stable_and_no_regs_but_for_p): Remove.
21323         (reg_set_in_bb): Make it static.
21324         (regmove_optimize): Remove flag_ira and code which worked for
21325         !flag_ira.
21326
21327         * local-alloc.c: Remove the file.
21328
21329         * common.opt (fira): Remove.
21330
21331         * ira.c: Include except.h.
21332         (eliminable_regset): Move from global.c.
21333         (mark_elimination): Ditto.  Remove flag_ira.
21334         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
21335         equiv_mem_modified, validate_equiv_mem_from_store,
21336         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
21337         contains_replace_regs, memref_referenced_p, memref_used_between_p,
21338         no_equiv, recorded_label_ref): Move from local-alloc.c.
21339         (update_equiv_regs): Ditto.  Make it static.
21340         (print_insn_chain, print_insn_chains): Move it from global.c.
21341         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
21342         (build_insn_chain): Ditto.  Make it static.
21343         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
21344         Rename to init_live_subregs.
21345         (gate_ira): Remove flag_ira.
21346
21347         * regclass.c: Rename reginfo.c.  Change file description.
21348         (FORBIDDEN_INC_DEC_CLASSES): Remove.
21349         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
21350         (init_reg_sets_1): Remove code for evaluation of
21351         reg_class_superclasses and losing_caller_save_reg_set.
21352         (init_regs): Remove init_reg_autoinc.
21353         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
21354         ok_for_base_p_nonstrict): Remove.
21355         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
21356         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
21357         corresponding entries.
21358         (dump_regclass, record_operand_costs, scan_one_insn,
21359         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
21360         record_address_regs, auto_inc_dec_reg_p): Remove.
21361         (gt-regclass.h): Rename to gt-reginfo.h.
21362
21363         * rtl.h (dump_global_regs, retry_global_alloc,
21364         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
21365
21366         * Makefile.in (RA_H): Remove.
21367         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
21368         Rename regclass.o to reginfo.o.
21369         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
21370         gt-reginfo.h.
21371         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
21372         (GTFILES): Rename regclass.c to reginfo.c.
21373
21374         * passes.c (init_optimization_passes): Remove pass_local_alloc and
21375         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
21376
21377         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
21378         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
21379         Remove flag_ira.
21380         (finish_spills): Ditto.  Remove code for !flag_ira.
21381
21382 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
21383
21384         PR middle-end/35854
21385         * doc/invoke.texi (rtl debug options): Complete rewrite.
21386         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
21387         to auto_inc_dec".
21388         * mode-switching.c (pass_mode_switching): Rename pass from
21389         "mode-sw" to "mode_sw".
21390         * except.c (pass_convert_to_eh_ranges): Rename pass from
21391         "eh-ranges" to "eh_ranges".
21392         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
21393         to "subreg1".
21394
21395
21396 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
21397             Alexander Monakov  <amonakov@ispras.ru>
21398
21399         PR middle-end/38857
21400         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
21401         register.
21402         (move_exprs_to_boundary): Change return type and pass through
21403         should_move from move_op.  Relax assert.  Update usage ...
21404         (schedule_expr_on_boundary): ... here.  Use should_move instead of
21405         cant_move.
21406         (move_op_orig_expr_found): Indicate that insn was disconnected from
21407         stream.
21408         (code_motion_process_successors): Do not call after_merge_succs
21409         callback if original expression was not found when traversing any of
21410         the branches.
21411         (code_motion_path_driver): Change return type.  Update prototype.
21412         (move_op): Update comment.  Add a new parameter (should_move).  Update
21413         prototype.  Set *should_move based on indication provided by
21414         move_op_orig_expr_found.
21415
21416 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
21417
21418         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
21419         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
21420         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
21421         * config/rs6000/rs6000.c (rs6000_override_options): Default
21422         avoid-indexed-addresses on for Power6, off for everything else.
21423         (avoiding_indexed_address_p): New function.
21424         (rs6000_legitimize_address): Use it.
21425         (rs6000_legitimate_address): Likewise.
21426         * config/rs6000/rs6000.md (movXX_updateX): Likewise
21427
21428 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
21429
21430         PR tree-optimization/38997
21431         * tree-loop-distribution.c (generate_memset_zero): Use
21432         POINTER_PLUS_EXPR for a pointer addition.
21433
21434 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
21435
21436         * config/s390/s390.md (bswap<mode>2): New pattern added.
21437
21438 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
21439
21440         * config/s390/s390.md (*tls_load_31): Added type attribute.
21441
21442 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
21443
21444         * config/s390/s390.md: Fix a few comments.
21445
21446 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
21447
21448         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
21449         (*tm<mode>_full): Fixed z10prop attribute.
21450         (*tst<mode>_extimm): Fixed z10prop attribute.
21451         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
21452         (*tstqiCCT_cconly): Fixed z10prop attribute.
21453         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
21454         (*movsi_larl): Fixed z10prop attribute.
21455         (*movsi_zarch): Fixed z10prop attribute.
21456         (*movsi_eas): Fixed z10prop attribute.
21457         (*movhi): Fixed z10prop attribute.
21458         (*movqi): Fixed z10prop attribute.
21459         (*movstrictqi): Fixed z10prop attribute.
21460         (*mov<mode>): Fixed z10prop attribute.
21461         (*movcc): Fixed z10prop attribute.
21462         (*sethighpartdi_64): Fixed z10prop attribute.
21463         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
21464         (*negdi2_sign_cc): Fixed z10prop attribute.
21465         (*negdi2_sign): Fixed z10prop attribute.
21466         (*absdi2_sign_cc): Fixed z10prop attribute.
21467         (*absdi2_sign): Fixed z10prop attribute.
21468         (*negabsdi2_sign_cc): Fixed z10prop attribute.
21469         (*negabsdi2_sign): Fixed z10prop attribute.
21470         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
21471         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
21472         (doloop_si64): Fixed z10prop attribute.
21473         (doloop_si31): Fixed z10prop attribute.
21474         (doloop_long): Fixed z10prop attribute.
21475         (indirect_jump): Fixed z10prop attribute.
21476         (nop): Fixed z10prop attribute.
21477         (main_base_64): Fixed z10prop attribute.
21478         (reload_base_64): Fixed z10prop attribute.
21479
21480 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
21481
21482         PR rtl-optimization/38740
21483         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
21484         if !optimize.
21485         * config/mips/mips.c (mips_reorg): Likewise.
21486
21487 2009-01-28  Richard Guenther  <rguenther@suse.de>
21488
21489         PR tree-optimization/38926
21490         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
21491         with the correct value id to a value.
21492         (do_regular_insertion): Use the value number of edoubleprime
21493         for the value number of the expr.
21494
21495         Revert
21496         2008-08-21  Richard Guenther  <rguenther@suse.de>
21497
21498         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
21499         a PHI ask VN if it is already available.
21500         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
21501         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
21502
21503 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
21504
21505         PR middle-end/38934
21506         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
21507         set to varying whenever max has TREE_OVERFLOW set, similarly
21508         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
21509
21510 2009-01-28  Richard Guenther  <rguenther@suse.de>
21511
21512         PR middle-end/38908
21513         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
21514         uninitialized aggregate uses in call arguments.
21515
21516 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
21517
21518         PR tree-optimization/38984
21519         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
21520         the nothing_id variable if -fno-delete-null-pointer-checks.
21521
21522 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
21523
21524         PR target/38988
21525         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
21526         (set_got_offset_rex64): Ditto.
21527
21528 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
21529
21530         PR target/38941
21531         * doc/extend.texi: Improve local variable with asm reg.
21532
21533 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
21534
21535         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
21536         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
21537         was not supplied then set warn_packed_bitfield_compat to the
21538         default value of 1.
21539         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
21540         against 1.
21541
21542 2009-01-27  Richard Guenther  <rguenther@suse.de>
21543
21544         PR tree-optimization/38503
21545         * cfgexpand.c (expand_gimple_basic_block): Ignore
21546         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
21547         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
21548         variables that cannot have TBAA applied.
21549         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
21550         statements.
21551
21552 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
21553
21554         PR middle-end/38969
21555         * calls.c (initialize_argument_information): Do not wrap complex
21556         arguments in SAVE_EXPR.
21557
21558 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
21559
21560         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
21561         (INSTALL_LIBGCC): Revert typo commit.
21562
21563 2009-01-26  Richard Guenther  <rguenther@suse.de>
21564
21565         PR tree-optimization/38745
21566         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
21567         from special handling.
21568
21569 2009-01-26  Richard Guenther  <rguenther@suse.de>
21570
21571         PR tree-optimization/38745
21572         * tree-ssa.c (execute_update_addresses_taken): Do not include
21573         variables that cannot possibly be a register in not_reg_needs.
21574         Do not clear TREE_ADDRESSABLE on vars that may not become
21575         registers.
21576         * tree-ssa.c (update_alias_info_1): Include those in the set
21577         of addressable vars.
21578
21579 2009-01-26  Richard Guenther  <rguenther@suse.de>
21580
21581         PR middle-end/38851
21582         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
21583         * tree-ssa-dse.c: Include langhooks.h
21584         (execute_simple_dse): Remove stores with zero size.
21585
21586 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
21587
21588         PR c/38957
21589         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
21590         as PLUS_EXPR.
21591
21592 2009-01-24  Julian Brown  <julian@codesourcery.com>
21593
21594         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
21595         config/arm/linux-atomic.c.
21596         * config/arm/linux-atomic.c: New.
21597
21598 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
21599
21600         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
21601         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
21602         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
21603
21604 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
21605
21606         PR c/38938
21607         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
21608         properly.
21609
21610 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
21611
21612         PR tree-optimization/38953
21613         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
21614         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
21615         (gloog): Split the exit of the scop when the scop exit is a loop exit.
21616         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
21617         changed the CFG.
21618
21619 2009-01-24  Paul Brook  <paul@codesourcery.com>
21620
21621         * config/arm/neon.md (neon_type): Move to arm.md.
21622         (neon_mov<VSTRUCT>): Add neon_type attribute.
21623         * config/arm/arm.md (neon_type): Move to here.
21624         (conds): Add "unconditioal" and use as default for NEON insns.
21625
21626 2009-01-24  Ben Elliston  <bje@au.ibm.com>
21627
21628         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
21629         void *' warning from -Wc++-compat.
21630         * Makefile.in (dominance.o-warn): Remove.
21631
21632 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
21633
21634         PR tree-optimization/38932
21635         * fold-const.c (fold_unary_ignore_overflow): New.
21636         * tree.h (fold_unary_ignore_overflow): Declare.
21637         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
21638         * tree-ssa-sccvn.c (visit_reference_op_load,
21639         simplify_unary_expression): Likewise.
21640
21641 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
21642
21643         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
21644         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
21645         regardless of their type.
21646         * c-common.c (handle_packed_attribute): Don't ignore packed on
21647         bitfields.
21648         * c.opt (Wpacked-bitfield-compat): New warning option.
21649         * stor-layout.c (place_field): Warn if offset of a field changed.
21650         * doc/extend.texi (packed): Mention the ABI change.
21651         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
21652         (Warning Options): Add it to the list.
21653
21654 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
21655
21656         * c-opts.c (c_common_post_options): Fix a typo in comments.
21657
21658 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
21659
21660         PR middle-end/38615
21661         * gimplify.c (gimplify_init_constructor): Fix promotion of const
21662         variables to static.
21663         * doc/invoke.texi (-fmerge-all-constants): Update description.
21664
21665 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
21666
21667         PR target/38931
21668         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
21669         (*movdi_1_rex64): Use type "mmx" for alternative 5.
21670
21671 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
21672
21673         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
21674         a word boundary.
21675         (LOCAL_ALIGNMENT): Similarly.
21676
21677 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
21678             Joseph Myers  <joseph@codesourcery.com>
21679
21680         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
21681         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
21682         * config/arm/arm-tune.md: Regenerate.
21683         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
21684         -march=iwmmxt2.
21685
21686 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
21687
21688         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
21689         version number to five.
21690
21691 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
21692
21693         PR c++/38930
21694         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
21695         * c-common.c (set_underlying_type): Likewise.
21696         (is_typedef_decl ): Likewise
21697         * tree.h: Likewise
21698         (set_underlying_type): Likewise.
21699         (is_typedef_type): Likewise.
21700
21701 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
21702
21703         PR middle-end/38587
21704         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
21705         crossing setjmps.
21706
21707 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
21708
21709         PR bootstrap/37660
21710         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
21711         (LIBGCC_SPEC):  Don't define.
21712         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
21713
21714 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
21715
21716         PR rtl-optimization/38879
21717         * alias.c (base_alias_check): Unaligned access via AND address can
21718         alias all surrounding object types except those with sizes equal
21719         or wider than the size of unaligned access.
21720
21721 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
21722
21723         PR c++/26693
21724         * c-decl.c (clone_underlying_type): Move this ...
21725         * c-common.c (set_underlying_type): ... here.
21726         Also, make sure the function properly sets TYPE_STUB_DECL() on
21727         the newly created typedef variant type.
21728         (is_typedef_decl ): New entry point.
21729         * tree.h: Added a new member member_types_needing_access_check to
21730         struct tree_decl_non_common.
21731         (set_underlying_type): New entry point.
21732         (is_typedef_type): Likewise.
21733
21734 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
21735
21736         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
21737         Check whether two instructions have memory references that
21738         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
21739         are helper functions for traversing.
21740         * alias.h (insn_alias_sets_confilict_p): New prototypes.
21741         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
21742         not to draw dependency edge for instructions with non-conflicting
21743         alias sets.
21744
21745 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
21746
21747         PR other/38758
21748         * longlong.h: Update copyright years.  Use soft-fp license notice.
21749         Sync __clz_tab declaration with glibc.
21750
21751 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
21752
21753         PR target/30687
21754         * doc/extend.texi (syscall_linkage): New.
21755         (version_id): Modify.
21756
21757 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
21758             Richard Guenther  <rguenther@suse.de>
21759
21760         PR tree-optimization/38747
21761         PR tree-optimization/38748
21762         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
21763         conversion if the base address is an indirect reference and the
21764         aliasing sets could cause issues.
21765
21766 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
21767
21768         * common.opt (fgraphite, fgraphite-identity): Add comment for
21769         explaining why these options are not documented.
21770
21771 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
21772
21773         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
21774         gimple_call_lhs is NULL.
21775
21776 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
21777
21778         PR target/38868
21779         * emit-rtl.c (adjust_address_1): Make sure memref is never
21780         overwritten.
21781
21782 2009-01-20  Ben Elliston  <bje@au.ibm.com>
21783
21784         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
21785         const qualifier from arg parameter. Remove unnecessary cast to char *.
21786         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
21787         const qualifier from arg 2.
21788
21789 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
21790
21791         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
21792
21793 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
21794
21795         PR c/38869
21796         * rtl.h (reinit_regs): New prototype.
21797         * regclass.c: Include ira.h.
21798         (reinit_regs): New.
21799         * Makefile.in (regclass.o): Add ira.h.
21800         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
21801
21802 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
21803
21804         PR target/38736
21805         * c-common.c (handle_aligned_attribute): Use
21806         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
21807         default alignment value.
21808
21809         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
21810
21811         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
21812         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
21813
21814         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
21815         __BIGGEST_ALIGNMENT__.
21816
21817         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
21818
21819 2009-01-18  Richard Guenther  <rguenther@suse.de>
21820
21821         PR tree-optimization/38819
21822         * tree-flow.h (operation_could_trap_helper_p): Declare.
21823         * tree-eh.c (operation_could_trap_helper_p): Export.
21824         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
21825         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
21826         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
21827         are about to insert a possibly trapping instruction and fail
21828         in this case.
21829
21830 2009-01-18  Andreas Schwab  <schwab@suse.de>
21831
21832         * doc/install.texi (Configuration): Remove obsolete paragraph
21833         about use of --with-gnu-ld with --with-gnu-as.
21834
21835 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
21836
21837         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
21838         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
21839         Follow spelling conventions.
21840
21841 2009-01-18  Ben Elliston  <bje@au.ibm.com>
21842
21843         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
21844         C++ warning about implicit conversion from void * to struct
21845         bitmap_head_def *.
21846         (bitmap_obstack_free): Likewise for bitmap_element *.
21847         * Makefile.in (bitmap.o-warn): Remove.
21848
21849 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
21850
21851         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
21852
21853 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
21854             Tobias Grosser  <tobi.grosser@amd.com>
21855
21856         * graphite.c (graphite_trans_scop_block): Do not block single
21857         nested loops.
21858
21859 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
21860
21861         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
21862         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
21863         test with assertion.
21864
21865 2009-01-16  Richard Guenther  <rguenther@suse.de>
21866
21867         PR tree-optimization/38835
21868         PR middle-end/36227
21869         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
21870         and INT + PTR -> (INT)(PTR p+ INT) folding.
21871         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
21872
21873 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
21874
21875         PR target/38554
21876         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
21877         the subreg from a lowpart subreg if it is also casting the value.
21878
21879 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
21880             Tobias Grosser  <tobi.grosser@amd.com>
21881
21882         * graphite.c (compare_prefix_loops): New.
21883         (build_scop_canonical_schedules): Rewritten.
21884         (graphite_transform_loops): Move build_scop_canonical_schedules
21885         after build_scop_iteration_domain.
21886
21887 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
21888             Tobias Grosser  <tobi.grosser@amd.com>
21889
21890         * graphite.c (add_conditions_to_domain): Add the loops to
21891         the dimension of the iteration domain.  Do copy the domain
21892         only when it exists.
21893         (build_scop_conditions_1): Do not call add_conditions_to_domain.
21894         (add_conditions_to_constraints): New.
21895         (can_generate_code_stmt, can_generate_code): Removed.
21896         (gloog): Do not call can_generate_code.
21897         (graphite_transform_loops): Call add_conditions_to_constraints
21898         after building the iteration domain.
21899
21900 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
21901
21902         PR tree-optimization/38789
21903         * tree-ssa-threadedge.c
21904         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
21905         __builtin_constant_p.
21906
21907 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
21908
21909         * dce.c (delete_unmarked_insns): Reversed the order that insns are
21910         examined before deleting them.
21911
21912 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
21913
21914         * function.c (aggregate_value_p): Correctly extract the function
21915         type from CALL_EXPR_FN lookup.
21916
21917 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
21918
21919         * config/picochip/picochip.c (picochip_override_options): Revert
21920         CFI asm flag disable commited previously.
21921
21922 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
21923             Tobias Grosser  <tobi.grosser@amd.com>
21924             Jan Sjodin  <jan.sjodin@amd.com>
21925
21926         * graphite.c (scan_tree_for_params): On substractions negate
21927         all the coefficients of the term.
21928         (clast_to_gcc_expression_red): New.  Handle reduction expressions
21929         of more than two operands.
21930         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
21931         (get_vdef_before_scop): Handle also the case of default definitions.
21932
21933 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
21934
21935         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
21936         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
21937         Also use them when walking CALL_INSN_FUNCTION_USAGE.
21938
21939 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
21940             Joey Ye  <joey.ye@intel.com>
21941
21942         PR middle-end/37843
21943         * cfgexpand.c (expand_stack_alignment): Don't update stack
21944         boundary nor check incoming stack boundary here.
21945         (gimple_expand_cfg): Update stack boundary and check incoming
21946         stack boundary here.
21947
21948 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
21949
21950         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
21951
21952 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
21953
21954         PR rtl-optimization/38245
21955         * calls.c (expand_call): Add stack arguments to
21956         CALL_INSN_FUNCTION_USAGE even for pure calls (when
21957         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
21958         in regs and partially in memory or BLKmode arguments.
21959         (emit_library_call_value_1): Add stack arguments to
21960         CALL_INSN_FUNCTION_USAGE even for pure calls (when
21961         ACCUMULATE_OUTGOING_ARGS).
21962         * dce.c: Include tm_p.h.
21963         (find_call_stack_args): New function.
21964         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
21965         argument.
21966         (mark_insn): Call find_call_stack_args for CALL_Ps.
21967         (prescan_insns_for_dce): Walk insns backwards in bb rather than
21968         forwards.  Allocate and free arg_stores bitmap if needed, pass it
21969         down to deletable_insn_p, don't mark stores set in arg_stores
21970         bitmap, clear the bitmap at the beginning of each bb.
21971         * Makefile.in (dce.o): Depend on $(TM_P_H).
21972
21973 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
21974
21975         PR target/22599
21976         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
21977         to make sure the insn is a conditional test (bug 22599).  Reformat a
21978         few long lines.
21979
21980 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
21981
21982         PR middle-end/38431
21983         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
21984         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
21985         (gloog): Do not call cleanup_tree_cfg.
21986         (graphite_transform_loops): Call cleanup_tree_cfg after all
21987         scops have been code generated.
21988
21989 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
21990         * doc/gty.texi (Invoking the garbage collector): Added new node
21991         and section documenting ggc_collect.
21992
21993 2009-01-14  Richard Guenther  <rguenther@suse.de>
21994
21995         PR tree-optimization/38826
21996         PR middle-end/38477
21997         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
21998         initialization notes only if we actually emitted a warning.
21999         (intra_create_variable_infos): Add constraints for a result decl
22000         that is passed by hidden reference.
22001         (build_pred_graph): Mark all related variables non-direct on
22002         address-taking.
22003
22004 2009-01-14  Nick Clifton  <nickc@redhat.com>
22005
22006         * ira-conflicts.c: Include addresses.h for the definition of
22007         base_reg_class.
22008         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
22009         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
22010
22011 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
22012
22013         PR target/38811
22014         * Makefile.in (ira-lives.o): Add except.h.
22015
22016         * ira-lives.c: Include except.h.
22017         (process_bb_node_lives): Process can_throw_internal.
22018
22019 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
22020
22021         PR rtl-optimization/38774
22022         * combine.c (simplify_set): When undoing cc_use change, don't do
22023         PUT_CODE on the newly created comparison, but instead put back the
22024         old comparison.
22025
22026 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
22027
22028         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
22029         values.  Remove duplicate arm8 entry.
22030
22031 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
22032
22033         PR tree-optimization/38786
22034         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
22035         the SSA_NAME case of expand_scalar_variables_expr.
22036         Set the type of an expression to the type of its assign statement.
22037         (expand_scalar_variables_expr): Also gather the scalar computation
22038         used to index the memory access.  Do not pass loop_p.
22039         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
22040         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
22041         the gimple_stmt_iterator where it inserts new code.
22042         Do not pass loop_p.
22043         (copy_bb_and_scalar_dependences): Do not pass loop_p.
22044         (translate_clast): Update call to copy_bb_and_scalar_dependences.
22045
22046 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
22047
22048         * graphite.h (debug_value): Removed.
22049         * graphite.c (debug_value): Removed.
22050
22051 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
22052
22053         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
22054         ldrd/strd with two 32-bit instructions.
22055
22056 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
22057
22058         * config/arm/arm.c (struct processors): Pass for speed down into
22059         cost helper functions.
22060         (const_ok_for_op): Handle COMPARE and inequality nodes.
22061         (arm_rtx_costs_1): Rewrite.
22062         (arm_size_rtx_costs): Update prototype.
22063         (arm_rtx_costs): Pass speed down to helper functions.
22064         (arm_slowmul_rtx_costs): Rework cost calculations.
22065         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
22066         (arm_9e_rtx_costs): Likewise.
22067
22068 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
22069
22070         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
22071         relocations of local symbols wider than UNITS_PER_WORD are not valid.
22072         (alpha_legitimize_address): Do not split local symbols wider than
22073         UNITS_PER_WORD into HIGH/LO_SUM parts.
22074
22075 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
22076
22077         PR bootstrap/38580
22078         * gcc.c (process_command): Replace call to execvp with calls
22079         to pex_one and exit.
22080
22081 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
22082
22083         PR target/29141
22084         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
22085         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
22086         variant for devices with 3-byte PC.
22087         (__tablejump_elpm__): New.
22088
22089 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
22090
22091         PR c/32041
22092         * c-parser.c (c_parser_postfix_expression): Allow `->' in
22093         offsetof member-designator, handle it as `[0].'.
22094
22095 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22096
22097         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
22098         function when not using named sections on targets with named sections
22099         if branch distance is less than 262132.
22100
22101 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
22102
22103         * combine.c (combine_instructions):  Recompute
22104         optimize_this_for_speed_p  for each BB in the main combine loop.
22105
22106 2009-01-12  Tomas Bily  <tbily@suse.cz>
22107
22108         PR middlend/38385
22109         * tree-loop-distribution.c (prop_phis): New function.
22110         (generate_builtin): Call prop_phis.
22111         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
22112
22113 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
22114
22115         PR tree-optimization/38807
22116         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
22117         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
22118
22119 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
22120
22121         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
22122         subreg of op0 to the original op0.
22123
22124 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
22125
22126         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
22127
22128 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
22129
22130         PR debug/7055
22131         * mips-tfile.c (parse_def): Fix parsing of def strings
22132         starting with digits.
22133
22134 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
22135
22136         PR target/38695
22137         * config/arm/arm.c (arm_is_long_call_p): Don't call
22138         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
22139
22140 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
22141
22142         * regrename.c (regrename_optimize): Fix dumping.
22143         (find_oldest_value_reg): Preserve REG_POINTER.
22144         (copy_hardreg_forward_1): Likewise.
22145
22146 2009-01-09  Diego Novillo  <dnovillo@google.com>
22147
22148         * gimple.h (struct gimple_statement_base) <uid>: Document
22149         the restrictions on its use.
22150         (gimple_uid): Tidy.
22151         (gimple_set_uid): Tidy.
22152
22153 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
22154
22155         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
22156         zero guard even if align_bytes != 0 and count is smaller than
22157         size_needed.
22158
22159 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
22160
22161         PR rtl-optimization/38495
22162         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
22163         (add_range_and_copies_from_move_list): Print all added ranges.
22164         Add ranges to memory optimized destination.
22165
22166 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
22167
22168         PR target/38686
22169         PR target/38708
22170         * config/i386/i386.c (override_options): Reject
22171         -mstringop-strategy=rep_8byte with -m32.
22172         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
22173         to 1.  Do count comparison against epilogue_size_needed at compile
22174         time even when count_exp was constant forced into register.  For
22175         size_needed don't jump to epilogue, instead just avoid aligning
22176         and invoke the body algorithm.  If need_zero_guard, add zero guard
22177         even if count is non-zero, but smaller than size_needed + number of
22178         bytes that could be stored for alignment.
22179         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
22180         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
22181         but smaller than size_needed + number of bytes that could be stored
22182         for alignment.  Compare size_needed with epilogue_size_needed instead
22183         of desired_align - align, don't adjust size_needed, pass
22184         epilogue_size_needed to the epilogue expanders.
22185
22186         PR c/35742
22187         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
22188
22189 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22190
22191         * pa.c (last_address): Change to unsigned.
22192         (update_total_code_bytes): Change argument to unsigned.  Don't
22193         check if insn addresses are set.
22194         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
22195         addresses are not set.
22196         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
22197
22198 2009-01-09  Nick Clifton  <nickc@redhat.com>
22199
22200         * config/sh/symbian.c: Replace uses of DECL_INLINE with
22201         DECL_DECLARED_INLINE_P.
22202
22203 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
22204
22205         PR middle-end/38347
22206         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
22207         GET_MODE (op0) in operand_subword_force calls.
22208
22209         PR middle-end/38771
22210         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
22211         fold_convert arg0 operands to TREE_TYPE (op0) first.
22212
22213 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
22214
22215         * params.def (ira-max-conflict-table-size): Decrease default value
22216         to 1000.
22217
22218 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
22219
22220         PR tree-optimization/37031
22221         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
22222         on parameter_set.
22223         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
22224         allocate it using gc instead of heap, use VEC_quick_push instead of
22225         VEC_safe_push.
22226         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
22227         instead of heap, use VEC_quick_push instead of VEC_safe_push.
22228         * tree-data-ref.h (struct access_matrix): Change matrix to gc
22229         allocated vector from heap allocated.
22230         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
22231         * tree-loop-linear.c (linear_transform_loops): Allocate nest
22232         vector only after perfect_loop_nest_depth call.
22233
22234 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
22235             Jan Sjodin  <jan.sjodin@amd.com>
22236
22237         PR tree-optimization/38559
22238         * graphite.c (debug_value, copy_constraint,
22239         swap_constraint_variables, scale_constraint_variable, ): New.
22240         (get_lower_bound, get_upper_bound): Removed.
22241         (graphite_trans_bb_strip_mine): Clean up this code that works
22242         only for constant number of iterations.  Fully copy upper and
22243         lower bound constraints, not only the constant part of them.
22244         * graphite.h (debug_value): Declared.
22245
22246 2009-01-08  Ira Rosen  <irar@il.ibm.com>
22247
22248         PR tree-optimization/37194
22249         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
22250         Don't add the cost of cost model guard in prologue to scalar
22251         outside cost in case of known number of iterations.
22252
22253 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
22254             Alan Modra  <amodra@bigpond.net.au>
22255
22256         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
22257         non-word-aligned REG+CONST addressing.
22258
22259 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
22260
22261         PR target/38706
22262         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
22263         free_after_compilation when outputting a thunk.
22264         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
22265         Do not call free_after_compilation here.
22266
22267 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
22268
22269         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
22270         (ix86_valid_target_attribute_inner_p): Ditto.
22271
22272 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
22273
22274         PR tree-optimization/38492
22275         PR tree-optimization/38498
22276         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
22277         * tree-chrec.h (scev_is_linear_expression): Declared.
22278         * graphite.c (graphite_cannot_represent_loop_niter): New.
22279         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
22280         (graphite_loop_normal_form): Use gcc_assert.
22281         (scan_tree_for_params): Use CASE_CONVERT.
22282         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
22283         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
22284         Use gcc_assert.  Discard scops that contain unhandled cases.
22285         (build_scop_conditions): Return a boolean status for unhandled cases.
22286         (strip_mine_profitable_p): Print the loop number, not its depth.
22287         (is_interchange_valid): Pass the depth of the loop nest, don't
22288         recompute it wrongly.
22289         (graphite_trans_bb_block): Same.
22290         (graphite_trans_bb_block): Print tentative of loop blocking.
22291         (graphite_trans_scop_block): Do not print that the loop has been
22292         blocked.
22293         (graphite_transform_loops): Do not handle scops that contain condition
22294         scalar phi nodes.
22295
22296 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
22297
22298         AVX Programming Reference (December, 2008)
22299         * config/i386/avxintrin.h (_mm256_stream_si256): New.
22300         (_mm256_stream_pd): Likewise.
22301         (_mm256_stream_ps): Likewise.
22302
22303         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
22304         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
22305         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
22306         (bdesc_special_args): Add __builtin_ia32_movntdq256,
22307         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
22308         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
22309         (ix86_expand_special_args_builtin): Likewise.
22310
22311         * config/i386/sse.md (AVXMODEDI): New.
22312         (avx_movnt<mode>): Likewise.
22313         (avx_movnt<mode>): Likewise.
22314         (<sse>_movnt<mode>): Remove AVX support.
22315         (sse2_movntv2di): Likewise.
22316
22317 2009-01-07  Richard Guenther  <rguenther@suse.de>
22318
22319         PR middle-end/38751
22320         * fold-const.c (extract_muldiv): Remove obsolete comment.
22321         (fold_plusminus_mult_expr): Undo MINUS_EXPR
22322         to PLUS_EXPR canonicalization for the canonicalization.
22323
22324 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
22325
22326         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
22327         hosted cross-compilers generating less efficient code.
22328
22329 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
22330
22331         * function.h (rtl_data): Add a dbr_scheduled_p field.
22332         * reorg.c (dbr_schedule): Set it.
22333         (gate_handle_delay_slots): Check it.
22334         * config/mips/mips.c (mips_base_delayed_branch): Delete.
22335         (mips_reorg): Check flag_delayed_branch instead of
22336         mips_base_delayed_branch.
22337         (mips_override_options): Don't set mips_base_delayed_branch
22338         or flag_delayed_branch.
22339
22340 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
22341
22342         PR rtl-optimization/38426.
22343         * ira.c (ira): Set current_function_is_leaf earlier.
22344
22345 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
22346
22347         PR rtl-optimization/38722
22348         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
22349         too early, only set a flag and modify after last possible
22350         undo_all point.
22351
22352 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
22353
22354         PR c/34252
22355         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
22356         * real.c (decimal_single_format): Correct values of emin and emax.
22357         (decimal_double_format): Ditto.
22358         (decimal_quad_format): Ditto.
22359         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
22360         computation of DECnn_MIN and DECnn_MAX for corrected values of
22361         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
22362         __DECnn_MIN__, and adjust its computation for the corrected value
22363         of emin.
22364
22365 2009-01-06  Jan Hubicka  <jh@suse.cz>
22366
22367         PR target/38744
22368         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
22369
22370 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
22371
22372         * doc/contrib.texi (Contributors): Slightly adjust the end note.
22373         Add Robert Clark to the list of testers.
22374
22375 2009-01-06  Jan Hubicka  <jh@suse.cz>
22376             Kai Tietz  <kai.tietz@onevision.com>
22377
22378         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
22379         * config/i386/i386.c (ix86_expand_call): Add clobbers.
22380
22381 2009-01-06  Jan Hubicka  <jh@suse.cz>
22382             Kai Tietz  <kai.tietz@onevision.com>
22383
22384         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
22385         for w64 ABI.
22386         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
22387         (ix86_nsaved_regs): Count only general purpose regs.
22388         (ix86_nsaved_sseregs): New.
22389         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
22390         to 16 for w64; compute padding and size of sse reg save area.
22391         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
22392         general purpose regs.
22393         (ix86_emit_save_sse_regs_using_mov): New.
22394         (ix86_expand_prologue): Save SSE regs if needed.
22395         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
22396         (ix86_emit_restore_sse_regs_using_mov): New.
22397         (ix86_expand_epilogue): Save SSE regs if needed.
22398
22399 2009-01-06  Jan Hubicka  <jh@suse.cz>
22400             Kai Tietz  <kai.tietz@onevision.com>
22401
22402         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
22403         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
22404         functions when accumulate outgoing args is off.
22405
22406 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
22407
22408         PR bootstrap/38742
22409         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
22410         before using pseudos_have_intersected_live_ranges_p.
22411
22412         * ira-int.h (ira_assert): Always define.
22413
22414 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
22415
22416         AVX Programming Reference (December, 2008)
22417         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
22418         (_mm256_permute2_pd): Likewise.
22419         (_mm_permute2_ps): Likewise.
22420         (_mm256_permute2_ps): Likewise.
22421         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
22422         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
22423
22424         * config/i386/i386.c (ix86_builtins): Remove
22425         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
22426         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
22427         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
22428         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
22429         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
22430         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
22431         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
22432         __builtin_ia32_vpermil2ps256.
22433         (ix86_init_mmx_sse_builtins): Updated.
22434         (ix86_expand_args_builtin): Likewise.
22435
22436 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22437
22438         * pa.c (output_call): Relocate non-jump insns in the delay slot of
22439         long absolute calls when generating PA 2.0 code.
22440
22441 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
22442
22443         PR rtl-optimization/38583
22444         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
22445
22446         * params.def (ira-max-conflict-table-size): New.
22447
22448         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
22449
22450         * ira.h (ira_conflicts_p): New external definition.
22451
22452         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
22453         table.  Report this.  Return result of building.
22454         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
22455         building conflict table.
22456
22457         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
22458         (ira_color): Use ira_conflicts_p.
22459
22460         * global.c: Include ira.h.
22461         (pseudo_for_reload_consideration_p, build_insn_chain): Use
22462         ira_conflicts_p.
22463
22464         * Makefile.in (global.o): Add ira.h.
22465
22466         * ira-build.c (mark_all_loops_for_removal,
22467         propagate_some_info_from_allocno): New.
22468         (remove_unnecessary_allocnos): Call
22469         propagate_some_info_from_allocno.
22470         (remove_low_level_allocnos): New.
22471         (remove_unnecessary_regions): Add parameter.  Call
22472         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
22473         parameter to remove_unnecessary_regions.
22474         (ira_build): Remove all regions but root if the conflict table was
22475         not built.  Update conflict hard regs for allocnos crossing calls.
22476
22477         * ira.c (ira_conflicts_p): New global.
22478         (ira): Define and use ira_conflicts_p.
22479
22480         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
22481         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
22482         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
22483
22484 2009-01-06  Ben Elliston  <bje@au.ibm.com>
22485
22486         * gengtype-lex.l (YY_NO_INPUT): Define.
22487
22488 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
22489
22490         PR c/34911
22491         * c-common.c (handle_vector_size_attribute): Also reject
22492         BOOLEAN_TYPE types.
22493
22494 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
22495
22496         PR tree-optimization/38492
22497         * graphite.c (rename_map_elt, debug_rename_elt,
22498         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
22499         rename_map_elt_info, eq_rename_map_elts,
22500         get_new_name_from_old_name, bb_in_sese_p): Moved around.
22501         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
22502         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
22503         (sese_build_livein_liveouts): New.
22504         (new_sese, free_sese): New.
22505         (new_scop): Call new_sese.
22506         (free_scop): Call free_sese.
22507         (rename_variables_from_edge, rename_phis_end_scop): Removed.
22508         (register_old_new_names): Renamed register_old_and_new_names.
22509         (register_scop_liveout_renames, add_loop_exit_phis,
22510         insert_loop_close_phis, struct igp,
22511         default_liveout_before_guard, add_guard_exit_phis,
22512         insert_guard_phis, copy_renames): New.
22513         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
22514         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
22515         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
22516         (scop_adjust_phis_for_liveouts): New.
22517         (gloog): Call scop_adjust_phis_for_liveouts.
22518
22519         * graphite.h (struct sese): Documented.  Added fields liveout,
22520         num_ver and livein.
22521         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
22522         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
22523         (struct scop): Added field liveout_renames.
22524         (SCOP_LIVEOUT_RENAMES): New.
22525
22526 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
22527
22528         PR tree-optimization/38510
22529         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
22530         (translate_clast): Call recompute_all_dominators before
22531         graphite_verify.
22532         (gloog): Call recompute_all_dominators before graphite_verify.
22533
22534 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
22535             Jan Sjodin  <jan.sjodin@amd.com>
22536
22537         PR tree-optimization/38500
22538         * graphite.c (create_sese_edges): Call fix_loop_structure after
22539         splitting blocks.
22540
22541 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
22542
22543         * config.gcc: Add m32r*-*-rtems*.
22544         * config/m32r/rtems.h: New file.
22545
22546 2009-01-05  Ben Elliston  <bje@au.ibm.com>
22547
22548         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
22549         (.po.pox): Likewise.
22550         (po/gcc.pot): Likewise.
22551
22552 2009-01-04  David S. Miller  <davem@davemloft.net>
22553
22554         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
22555         (STARTING_FRAME_OFFSET): Always set to zero.
22556
22557 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
22558
22559         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
22560         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
22561         fixed-point types, and vectors of the same.
22562
22563 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
22564
22565         * config/mips/sync.md (*mb_barrier): Rename to...
22566         (*memory_barrier): ...this.
22567
22568 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
22569
22570         * doc/extend.texi (Function Attributes): Move @cindex after @item
22571         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
22572         and put in alphabetical order. Fix 'target' name and put in order.
22573         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
22574         typos.
22575
22576 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
22577
22578         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
22579         (memory_barrier): Expand as unspec instead of unspec_volatile.
22580         Remove mem:BLK from insn operands.  Use Pmode scratch register.
22581         (*memory_barrier): Define as unspec instead of unspec_volatile.
22582         Use (match_dup 0) as input operand.
22583
22584         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
22585         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
22586         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
22587         scratch register.  Remove operand 1.
22588         (*stbar): Define as unspec instead of unspec_volatile.
22589         Use (match_dup 0) as input operand, remove (const_int 8).
22590         (*membar): Define as unspec instead of unspec_volatile.
22591         Use (match_dup 0) as input operand, remove input operand 2.
22592
22593         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
22594         (memory_barrier): Expand as unspec instead of unspec_volatile.
22595         Remove mem:BLK from insn operands.  Use Pmode scratch register.
22596         (*memory_barrier): Define as unspec instead of unspec_volatile.
22597         Use (match_dup 0) as input operand.
22598
22599         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
22600         Remove mem:BLK from insn operands.  Use Pmode scratch register.
22601         Set volatile flag on operand 0.
22602         (*memory_barrier): New insn pattern.
22603
22604         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
22605         insn operands.
22606         (*memory_barrier): Use (match_dup 0) as input operand.
22607
22608         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
22609         Remove mem:BLK from insn operands.  Use Pmode scratch register.
22610         Set volatile flag on operand 0.
22611         (*mb_internal): New insn pattern.
22612
22613         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
22614
22615 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
22616
22617         PR middle-end/38586
22618         * function.c (struct temp_slot): Move to the section of the file
22619         that deals with temp slots.  Remove field 'address'.
22620         (temp_slot_address_table): New hash table of address -> temp slot.
22621         (struct temp_slot_address_entry): New struct, items for the table.
22622         (temp_slot_address_compute_hash, temp_slot_address_hash,
22623         temp_slot_address_eq, insert_temp_slot_address): Support functions
22624         for the new table.
22625         (find_temp_slot_from_address): Rewrite to use the new hash table.
22626         (remove_unused_temp_slot_addresses): Remove addresses of temp
22627         slots that have been made available.
22628         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
22629         worker function for remove_unused_temp_slot_addresses.
22630         (assign_stack_temp_for_type): Don't clear the temp slot address list.
22631         Add the temp slot address to the address -> temp slot map.
22632         (update_temp_slot_address): Update via insert_temp_slot_address.
22633         (free_temp_slots): Call remove_unused_temp_slot_addresses.
22634         (pop_temp_slots): Likewise.
22635         (init_temp_slots): Allocate the address -> temp slot map, or empty
22636         the map if it is already allocated.
22637         (prepare_function_start): Initialize temp slot processing.
22638
22639 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
22640
22641         PR middle-end/38584
22642         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
22643         Calculate the size of all stack vars assuming no packing of stack
22644         vars will happen, replacing a quadratic algorithm with a linear one.
22645
22646 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
22647
22648         PR target/38707
22649         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
22650         can't be used.
22651
22652 2009-01-03  Diego Novillo  <dnovillo@google.com>
22653
22654         * doc/contrib.texi: Update contributions.
22655
22656 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
22657
22658         PR c++/38705
22659         * builtins.c (fold_builtin_memory_op): Give up if either operand
22660         is volatile.  Set srctype or desttype to non-qualified version
22661         of the other type.
22662
22663         PR c/38700
22664         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
22665         and FUNCTION_DECLs.
22666
22667 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
22668
22669         PR rtl-optimization/35805
22670         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
22671         problem if fast dce is able to remove any instructions.
22672         * dce.c (dce_process_block): Fix dump message.
22673
22674 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
22675
22676         PR 33649
22677         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
22678
22679 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
22680
22681         PR middle-end/38690
22682         * tree-flow.h (op_code_prio, op_prio): New prototypes.
22683         * tree-pretty-print.c (op_code_prio): New function.
22684         (op_prio): No longer static.  Use op_code_prio.
22685         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
22686         Use op_prio and op_code_prio to determine if () should be
22687         printed around operand(s) or not.
22688
22689         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
22690         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
22691         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
22692         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
22693         pp_character instead of pp_string for single letter printing.
22694
22695 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
22696
22697         * doc/extend.texi: Fix '#pragma GCC option' typo.
22698
22699 2009-01-02  Richard Guenther  <rguenther@suse.de>
22700
22701         * doc/install.texi (--enable-checking): Mention different
22702         default for stage1.
22703         (--enable-stage1-checking): Document.
22704
22705 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
22706
22707         PR middle-end/30142
22708         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
22709         case to be an error.
22710
22711 2009-01-02  Ben Elliston  <bje@au.ibm.com>
22712
22713         * config/fp-bit.h (pack_d): Constify argument.
22714         * config/fp-bit.c (makenan): Constify return type. Remove casts.
22715         (isnan): Constify argument.
22716         (isinf): Likewise.
22717         (iszero): Likewise.
22718         (pack_d): Likewise.
22719         (_fpadd_parts): Constify return type.
22720         (_fpmul_parts): Likewise.
22721         (_fpdiv_parts): Likewise.
22722
22723 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
22724
22725         PR c/36489
22726         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
22727         warn about overwriting initializer with side-effects or
22728         -Woverride-init if !IMPLICIT.
22729         (output_init_element): Likewise.  Pass IMPLICIT down to
22730         add_pending_init.
22731         (process_init_element): Add IMPLICIT argument.  Pass it down
22732         to output_init_element.
22733         (push_init_element, pop_init_level, set_designator): Adjust
22734         process_init_element callers.
22735         (set_nonincremental_init, set_nonincremental_init_from_string):
22736         Adjust add_pending_init callers.
22737         (output_pending_init_elements): Adjust output_init_element callers.
22738         * c-tree.h (process_init_element): Adjust prototype.
22739         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
22740         process_init_element callers.
22741
22742 \f
22743 Copyright (C) 2009 Free Software Foundation, Inc.
22744
22745 Copying and distribution of this file, with or without modification,
22746 are permitted in any medium without royalty provided the copyright
22747 notice and this notice are preserved.