gcc/ChangeLog

   1 2012-01-09  Richard Guenther  <rguenther@suse.de>
   2
   3         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
   4
   5 2012-01-08  Jan Hubicka  <jh@suse.cz>
   6
   7         PR tree-optimize/51680
   8         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
   9         on when known_vals needs to be computed; cleanup.
  10
  11 2012-01-08  Jan Hubicka  <jh@suse.cz>
  12
  13         PR tree-optimize/51694
  14         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
  15
  16 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
  17
  18         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
  19         for -std=c++98 and -std=c++11 too.
  20
  21 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
  22
  23         * cfgloop.c (cancel_loop): Add free() of bbs array.
  24
  25 2012-01-07  Jan Hubicka  <jh@suse.cz>
  26
  27         PR tree-optimization/51600
  28         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
  29         that benefits small functions.
  30
  31 2012-01-07  Jan Hubicka  <jh@suse.cz>
  32
  33         * ipa-inline.c (want_inline_small_function_p): Fix formating.
  34
  35 2012-01-07  Jan Hubicka  <jh@suse.cz>
  36
  37         PR tree-optimization/51680
  38         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
  39         whose inlining reduce unit size.
  40
  41 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
  42
  43         PR bootstrap/51725
  44         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
  45         Add canonical node to containing_mem chain after the non-canonical
  46         one, even if there weren't any locs to propagate.
  47         (remove_useless_values): Keep only canonical values.
  48         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
  49         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
  50         canonicalize mem_chain elements that are not discarded.
  51
  52 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
  53
  54         PR target/47333
  55         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
  56         before emitting functions.
  57
  58         PR gcov-profile/50127
  59         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
  60         clear_aux_for_blocks.
  61
  62 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
  63
  64         PR debug/51746
  65         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
  66
  67 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
  68
  69         * c-decl.c (ext_block): Moved up.
  70         (collect_all_refs, for_each_global_decl): Take ext_block into account.
  71
  72 2012-01-06  Han Shen  <shenhan@google.com>
  73
  74         Translate built-in include paths for sysroot.
  75         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
  76         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
  77
  78         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
  79         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
  80
  81         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
  82         control whether sysroot should be prepended to gxx include dir.
  83
  84         * configure: Regenerate.
  85
  86 2012-01-06  Torvald Riegel  <triegel@redhat.com>
  87
  88         PR rtl-optimization/51771
  89         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST):
  90         New.
  91         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
  92
  93 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
  94
  95         PR tree-optimization/51315
  96         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
  97         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
  98
  99 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
 100
 101         PR target/51681
 102         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
 103         for shrp pattern.  Correctly handle and fixup shift variable.
 104         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
 105
 106 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 107
 108         PR debug/51762
 109         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
 110         note when !ACCUMULATE_OUTGOING_ARGS.
 111
 112 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
 113
 114         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
 115         condition.
 116         (extract_range_from_unary_expr_1): Avoid useless computations.
 117
 118 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 119
 120         PR rtl-optimization/51767
 121         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
 122         of jump_block and add an extra edge for degenerated asm gotos.
 123
 124         PR middle-end/51768
 125         * stmt.c (check_unique_operand_names): Don't ICE during error
 126         reporting if i is from labels chain.
 127
 128         PR middle-end/44777
 129         * profile.c (branch_prob): Split bbs that have exit edge
 130         and need a fake entry edge too.
 131
 132 2012-01-05  Jan Hubicka  <jh@suse.cz>
 133
 134         PR middle-end/49710
 135         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
 136         unlooping loops.
 137
 138 >>>>>>> .r182937
 139 2012-01-05  Richard Guenther  <rguenther@suse.de>
 140
 141         PR lto/50490
 142         * tree-streamer-out.c (write_ts_optimization): New function.
 143         (streamer_write_tree_body): Call it.
 144         * tree-streamer-in.c (lto_input_ts_optimization): New function.
 145         (streamer_read_tree_body): Call it.
 146         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
 147
 148 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 149
 150         PR middle-end/51761
 151         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
 152         * gimplify.c (gimplify_cleanup_point_expr): Save and set
 153         in_cleanup_point_expr before gimplify_stmt call and restore it
 154         afterwards.
 155         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
 156         in_cleanup_point_expr is false.
 157
 158 2012-01-05  Richard Guenther  <rguenther@suse.de>
 159
 160         PR middle-end/51764
 161         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
 162         to c.opt.
 163         * toplev.c (process_options): Reject combining mudflap and LTO.
 164         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
 165
 166 2012-01-05  Richard Guenther  <rguenther@suse.de>
 167
 168         PR tree-optimization/51760
 169         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
 170         not VARYING.
 171         (bit_value_unop): Handle UNDEFINED operands.
 172         (bit_value_binop): Likewise.
 173
 174 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
 175
 176         * config/avr/avr.c (avr_replace_prefix): Remove.
 177         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
 178         (avr_asm_function_rodata_section): Ditto.
 179         (avr_asm_select_section): Ditto.
 180
 181 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
 182
 183         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
 184         insertion.
 185
 186 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 187
 188         PR bootstrap/51648
 189         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
 190         calls that have any non-fake successor edges.
 191
 192         PR debug/51746
 193         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
 194
 195 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
 196
 197         PR tree-optimization/51624
 198         * tree-sra.c (build_ref_for_model): When replicating a chain of
 199         COMPONENT_REFs, stop as soon as the offset would become negative.
 200
 201 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
 202
 203         PR debug/51695
 204         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
 205         in .debug_loc on the floor.
 206
 207 2012-01-04  Andrew Pinski  <apinski@cavium.com>
 208
 209         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
 210
 211 2012-01-04  Andrew Pinski  <apinski@cavium.com>
 212             Adam Nemet  <anemet@caviumnetworks.com>
 213
 214         * config/mips/mips.md (size): Add SI and DI.
 215         (SIZE): New mode attribute.
 216         (U): New code attribute.
 217         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
 218         (mips_lbux_<mode>): Delete.
 219         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
 220         (mips_lhx): Use gen_mips_lhx_extsi.
 221         (mips_lhx_<mode>): Delete.
 222         (mips_lwx): Delete.
 223         (mips_l<size>x): New expand.
 224         (mips_lwx_<mode>): Delete.
 225         (mips_l<GPR:size>x_<P:mode>): New pattern.
 226         (*mips_lw<u>x_<P:mode>_ext): Likewise.
 227         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
 228         * config/mips/mips.c (mips_lx_address_p): New function.
 229         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
 230         (dsp64): New availability predicate.
 231         (mips_builtins): Add an entry for __builtin_mips_ldx.
 232         * config/mips/mips.h (ISA_HAS_LBX): New define.
 233         (ISA_HAS_LBUX): Likewise.
 234         (ISA_HAS_LHX): Likewise.
 235         (ISA_HAS_LHUX): Likewise.
 236         (ISA_HAS_LWX): Likewise.
 237         (ISA_HAS_LWUX): Likewise.
 238         (ISA_HAS_LDX): Likewise.
 239         * doc/extend.texi (__builtin_mips_ldx): Document.
 240
 241 2012-01-04  Tristan Gingold  <gingold@adacore.com>
 242
 243         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
 244         when long pointers are used.
 245         * config.build (*-*-*vms*): Handle all OpenVMS targets.
 246         (alpha64-dec-*vms*, alpha*-dec-*vms*)
 247         (ia64-hp-*vms*): Remove.
 248         * config/vms/xm-vms64.h: Delete.
 249
 250 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 251
 252         PR middle-end/51472
 253         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
 254
 255 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 256
 257         * opts.c (finish_options): Remove duplicate sorry.
 258
 259 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 260
 261         PR middle-end/51696
 262         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
 263         correctly.
 264
 265 2012-01-04  Richard Guenther  <rguenther@suse.de>
 266
 267         PR middle-end/51750
 268         * tree.c (size_low_cst): New function.
 269         * tree.h (size_low_cst): Declare.
 270         * fold-const.c (fold_comparison): Use it to extract the low
 271         part of the POINTER_PLUS_EXPR offset.
 272
 273 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
 274
 275         Fix clearing ZERO_REG
 276         * config/avr/avr.md (cc): Add alternative "ldi".
 277         (movqi_insn): Use it in cc attribute.
 278         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
 279         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
 280         (output_reload_insisf): Use ZERO_REG to pre-clear register.
 281
 282 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 283
 284         * configure: Regenerate.
 285
 286 2012-01-04  Richard Guenther  <rguenther@suse.de>
 287
 288         PR tree-optimization/49651
 289         * tree-ssa-structalias.c (type_can_have_subvars): New function.
 290         (var_can_have_subvars): Use it.
 291         (get_constraint_for_1): Only consider subfields if there can be any.
 292
 293 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
 294
 295         PR bootstrap/51725
 296         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
 297         to its new canonical_cselib_val and the cselib_val was in
 298         first_containing_mem chain, but the canonical_cselib_val was not,
 299         add the latter into the chain.
 300         (cselib_invalidate_mem): Compare canonical_cselib_val of
 301         addr_list chain elt with v.
 302
 303         PR pch/51722
 304         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
 305         dwarf2out_undef): Allocate e.info using ggc_strdup instead
 306         of xstrdup.
 307         (output_macinfo_op): Don't ggc_strdup fd->filename.
 308         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
 309         then ggc_strdup it.  Don't free inc->info or cur->info.
 310         (output_macinfo): Don't free ref->info or file->info.
 311
 312 2012-01-03  Ira Rosen  <irar@il.ibm.com>
 313
 314         PR tree-optimization/51269
 315         * tree-vect-loop-manip.c (set_prologue_iterations): Make
 316         first_niters a pointer.
 317         (slpeel_tree_peel_loop_to_edge): Likewise.
 318         (vect_do_peeling_for_loop_bound): Update call to
 319         slpeel_tree_peel_loop_to_edge.
 320         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
 321         here.  Remove it from the parameters list.
 322         (vect_do_peeling_for_alignment): Update calls and compute
 323         wide_prolog_niters.
 324
 325 2012-01-03  Richard Guenther  <rguenther@suse.de>
 326
 327         PR tree-optimization/51070
 328         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
 329         Properly handle calls.
 330
 331 2012-01-03  Richard Guenther  <rguenther@suse.de>
 332
 333         PR tree-optimization/51692
 334         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
 335         the LHS of allocation stmts.
 336
 337 2012-01-03  Olivier Hainque  <hainque@adacore.com>
 338
 339         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
 340
 341 2012-01-03  Olivier Hainque  <hainque@adacore.com>
 342
 343         * collect2.c (main): In AIX specific computations for vector
 344         insertions, use CONST_CAST2 to cast from char ** to const char **.
 345
 346 2012-01-03  Richard Guenther  <rguenther@suse.de>
 347
 348         PR debug/51650
 349         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
 350         the context of a limbo DIE when it does not already exist.
 351
 352 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
 353
 354         PR tree-optimization/51719
 355         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
 356         but direct call is, clear direct call's lhs and don't add fallthrough
 357         edge from dcall_bb to join_bb and PHIs.
 358
 359 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 360
 361         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
 362         the instructions emitted by the pattern.
 363         ("*TDC_insn_<mode>"): Add comment.
 364
 365 2012-01-03  Richard Guenther  <rguenther@suse.de>
 366
 367         PR middle-end/51730
 368         * fold-const.c (fold_comparison): Properly canonicalize
 369         tree offset and HOST_WIDE_INT bit position.
 370
 371 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
 372
 373         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
 374         operands for extzv pattern.
 375
 376 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 377
 378         PR bootstrap/51725
 379         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
 380         on mem_elt first.
 381
 382 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
 383
 384         * doc/invoke.texi (-flto and related options): Copy-edit.
 385
 386 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 387
 388         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
 389
 390 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 391
 392         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
 393         New patterns.
 394
 395 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 396
 397         * expr.h (move_by_pieces_ninsns): Declare.
 398         * expr.c (move_by_pieces_ninsns): Make external.
 399         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
 400         (mips_store_by_pieces_p): Likewise.
 401         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
 402         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
 403         * config/mips/mips.c (mips_move_by_pieces_p): New function.
 404         (mips_store_by_pieces_p): Likewise.
 405
 406 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 407
 408         * passes.c (register_one_dump_file): Free full_name.
 409
 410         * reload1.c (reload): Don't allocate reg_max_ref_width here.
 411         (calculate_elim_costs_all_insns): Free offsets_at and
 412         offsets_known_at at the end and clear the pointers.
 413
 414 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 415
 416         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
 417         this option introduced in r180739.
 418
 419 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 420
 421         PR target/51345
 422         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
 423         (tmake_file target=avr): Add avr/t-multilib.
 424
 425         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
 426         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
 427         * config/avr/genmultilib.awk: New file.
 428         * config/avr/t-multilib: New auto-generated file.
 429         * config/avr/multilib.h: New auto-generated file.
 430         * config/avr/t-avr (AVR_MCUS): New variable.
 431         (genopt.sh): Use it.
 432         (s-mlib): Depend on t-multilib.
 433         (t-multilib, multilib.h): New dependencies.
 434         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
 435         (MULTILIB_OPTIONS): Remove.
 436         (MULTILIB_MATCHES): Remove.
 437         (MULTILIB_DIRNAMES): Remove.
 438         (MULTILIB_EXCEPTIONS): Remove:
 439         * config/avr/genopt.sh: Don't use hard coded file name;
 440         pass AVR_MCUS from t-avr instead.
 441
 442 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 443
 444         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
 445
 446 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 447
 448         Implement light-weight DImode support.
 449         * config/avr/avr-dimode.md: New file.
 450         * config/avr/avr.md: Include it.
 451         (adjust_len): Add plus64, compare64.
 452         (HIDI): Remove code iterator.
 453         (code_stdname): New code attribute.
 454         (rotx, rotsmode): Remove DI.
 455         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
 456         as code iterator.
 457         * config/avr/avr-protos.h (avr_have_dimode): New.
 458         (avr_out_plus64, avr_out_compare64): New.
 459         * config/avr/avr.c (avr_out_compare): Handle DImode.
 460         (avr_have_dimode): New variable definition and initialization.
 461         (avr_out_compare64, avr_out_plus64): New functions.
 462         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
 463         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
 464         (avr_compare_pattern): Skip DImode comparisons.
 465
 466 2012-01-02  Revital Eres  <revital.eres@linaro.org>
 467
 468         * ddg.c (def_has_ccmode_p): New function.
 469         (add_cross_iteration_register_deps,
 470         create_ddg_dep_from_intra_loop_link): Call it.
 471
 472 2012-01-02  Richard Guenther  <rguenther@suse.de>
 473
 474         PR other/51679
 475         * invoke.texi (fassociative-math): Remove spurious paranthesis.
 476
 477 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
 478
 479         * gcc.c (process_command): Update copyright notice dates.
 480         * gcov.c (print_version): Likewise.
 481         * gcov-dump.c (print_version): Likewise.
 482         * mips-tfile.c (main): Likewise.
 483         * mips-tdump.c (main): Likewise.
 484
 485 2012-01-01  Ira Rosen  <irar@il.ibm.com>
 486
 487         PR tree-optimization/51704
 488         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
 489         a use is inside the basic block or loop before accessing its vect info.
 490
 491 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
 492
 493         PR rtl-optimization/51069
 494         * cfgloopmanip.c (remove_path): Removing path making irreducible
 495         region unconditional makes BB part of the region.
 496
 497 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
 498
 499         PR tree-optimization/51683
 500         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
 501         calls with side-effects.
 502         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
 503 \f
 504 Copyright (C) 2012 Free Software Foundation, Inc.
 505
 506 Copying and distribution of this file, with or without modification,
 507 are permitted in any medium without royalty provided the copyright
 508 notice and this notice are preserved.