gcc/ChangeLog

   1 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
   2
   3         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
   4         (in_struct, return_val): Remove MEM documentation.
   5         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
   6         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
   7         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
   8         and MEM_SCALAR.
   9         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
  10         * cfgexpand.c (add_alias_set_conflicts): Likewise.
  11         * expr.c (store_field): Likewise.
  12         * function.c (assign_stack_temp_for_type): Likewise.
  13         * ifcvt.c (noce_try_cmove_arith): Likewise.
  14         * reload1.c (reload): Likewise.
  15         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
  16         (alpha_set_memflags): Likewise.
  17         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
  18
  19 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
  20
  21         * rtl.h (true_dependence, canon_true_dependence): Remove varies
  22         parameter.
  23         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
  24         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
  25         (true_dependence_1, true_dependence, canon_true_dependence): Remove
  26         varies parameter.
  27         * cselib.c (cselib_rtx_varies_p): Delete.
  28         (cselib_invalidate_mem): Update call to canon_true_dependence.
  29         * dse.c (record_store, check_mem_read_rtx): Likewise.
  30         (scan_reads_nospill): Likewise.
  31         * cse.c (check_dependence): Likewise.
  32         (cse_rtx_varies_p): Delete.
  33         * expr.c (safe_from_p): Update call to true_dependence.
  34         * ira.c (validate_equiv_mem_from_store): Likewise.
  35         (memref_referenced_p): Likewise.
  36         * postreload-gcse.c (find_mem_conflicts): Likewise.
  37         * sched-deps.c (sched_analyze_2): Likewise.
  38         * store-motion.c (load_kills_store): Likewise.
  39         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
  40         * gcse.c (mems_conflict_for_gcse_p): Likewise.
  41         (compute_transp): Update call to canon_true_dependence.
  42
  43 2012-01-25  Richard Henderson  <rth@redhat.com>
  44
  45         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
  46         (maybe_emit_atomic_test_and_set): New.
  47         (expand_sync_lock_test_and_set): Use it.
  48         (expand_atomic_test_and_set): Likewise.
  49         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
  50         the implementation; clarify implementation defined details.
  51         * doc/md.texi (atomic_test_and_set): Document.
  52
  53 2012-01-25  Richard Henderson  <rth@redhat.com>
  54
  55         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
  56
  57 2012-01-25  Richard Henderson  <rth@redhat.com>
  58
  59         PR target/51968
  60         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
  61         to effect no-op split.
  62
  63 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
  64             Patrick Marlier  <patrick.marlier@gmail.com>
  65
  66         * trans-mem.c (requires_barrier): Do not instrument thread local
  67         variables and emit save/restore for them.
  68
  69 2012-01-24  Jason Merrill  <jason@redhat.com>
  70
  71         PR c++/51812
  72         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
  73         output static aliases.
  74
  75 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
  76
  77         PR driver/47249
  78         * common.opt (-pie, -shared, pie, shared): Change from Common to
  79         Driver.
  80         * gcc.c (display_help): Display help for -pie and -shared.
  81
  82 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
  83
  84         PR target/49868
  85         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
  86         Remove note on size/offset limitation.
  87         (AVR Variable Attributes): Add example how to read data located
  88         with progmem.  Refer to named address spaces.
  89         * doc/invoke.texi (AVR Options): Fix typo.
  90
  91 2012-01-24  Richard Guenther  <rguenther@suse.de>
  92
  93         Forward-port to trunk
  94         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
  95
  96         PR middle-end/45678
  97         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
  98         op0 isn't sufficiently aligned and there is movmisalignM
  99         insn for mode, use it to load op0 into a temporary register.
 100
 101 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 102
 103         PR target/51957
 104         * target.def (const_not_ok_for_debug_p): New hook.
 105         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
 106         documentation.
 107         * doc/tm.texi: Regenerated.
 108         * dwarf2out.c (const_ok_for_output_1): If
 109         targetm.const_not_ok_for_debug_p returns true, fail.
 110         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
 111         function.
 112         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
 113
 114 2012-01-23  Kai Tietz  <ktietz@redhat.com>
 115
 116         PR target/51900
 117         * config/i386/predicates.md (symbolic_operand): Allow
 118         UNSPEC_PCREL as PIC expression for lea.
 119         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
 120         * config/i386/i386.c (ix86_delegitimize_address): Handle
 121         UNSPEC_PCREL for none-MEM, too.
 122
 123 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 124
 125         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
 126         (ipa_tm_create_version_alias): Same.
 127
 128 2012-01-18  Uros Bizjak  <ubizjak@gmail.com>
 129
 130         PR libitm/51830
 131         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
 132         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
 133
 134 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 135             Patrick Marlier  <patrick.marlier@gmail.com>
 136             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
 137
 138         PR lto/51916
 139         * lto-wrapper.c (run_gcc): Pass the LTO section name to
 140         simple_object_start_read.
 141
 142 2012-01-23  Richard Guenther  <rguenther@suse.de>
 143
 144
 145         PR tree-optimization/51895
 146         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
 147         parameter decomposition into BLKmode components.
 148
 149 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
 150
 151         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
 152         fake variables for restrict-qualified pointers whose pointed-to type
 153         contains a placeholder.
 154
 155 2012-01-23  Richard Guenther  <rguenther@suse.de>
 156
 157         PR tree-optimization/51949
 158         * ipa-split.c (execute_split_functions): Do not split malloc functions.
 159
 160 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
 161
 162         PR rtl-optimization/51933
 163         * ree.c (transform_ifelse): Return true right away if dstreg is
 164         already wider or equal to cand->mode.
 165         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
 166         (make_defs_and_copies_lists): Remove defs_list and copies_list
 167         arguments, add state argument, just truncate state->work_list
 168         instead of always allocating and freeing the vector.  Assert that
 169         get_defs succeeds instead of returning 2.  Changed return type to bool.
 170         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
 171         have ext_src_mode, see if it has been modified already with the
 172         right kind of extension and has been extended before from the
 173         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
 174         just return true.  Remember the original mode in state->modified array.
 175         (combine_reaching_defs): Add state argument.  Don't allocate and
 176         free here def_list, copied_list and vec vectors, instead just
 177         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
 178         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
 179         Add state variable, clear vectors in it, initialize state.modified
 180         if needed.  Free all the vectors at the end and state.modified too.
 181         Don't skip a candidate if the extension expression has been modified.
 182
 183 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
 184
 185         PR target/47096
 186         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
 187          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
 188         (extra_options) interix.opt -> i386/interix.opt"
 189         (extra_objs):Add winnt-stubs.o
 190         * configure.ac: Add interix to target_os .comm on PE check.
 191         * configure: Regenerate.
 192         * config/interix3.h: Delete and move bits to..
 193         * config/interix.h: Delete and move bits to..
 194         * config/i386/i386-interix3.h: Delete and move bits to..
 195         * config/i386/i386-interix.h: ..here.
 196         (TARGET_CPU_DEFAULT): Remove redefinition.
 197         (TARGET_ASM_CONSTRUCTOR): Undefine.
 198         (SUBTARGET_SWITCHES): Define for ms-bitfields.
 199         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
 200         (PTRDIFF_TYPE): Define.
 201         (LONG_DOUBLE_TYPE_SIZE): Define.
 202         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
 203         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
 204         (TARGET_SECTION_TYPE_FLAGS): Define.
 205         (ASM_DECLARE_FUNCTION_NAME): Define.
 206         (ASM_OUTPUT_EXTERNAL): Define.
 207         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
 208         (ASM_OUTPUT_ALIGNED_BSS): Define.
 209         (PCC_BITFIELD_TYPE_MATTERS): Define.
 210         (USE_CONST_SECTION): Define.
 211         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
 212         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
 213         (SUPPORTS_ONE_ONLY): Remove.
 214         (I386_PE_STRIP_ENCODING): Define.
 215         * config/interix.opt: Delete and move bits to..
 216         * config/i386/interix.opt: ..here. New.
 217         (mpe-aligned-commons): Add.
 218         * config/i386/t-interix: Add copyright header.
 219         (winnt-stubs.o): Add rule.
 220
 221 2012-01-22  Jason Merrill  <jason@redhat.com>
 222
 223         PR c++/51832
 224         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
 225         for extra name aliases.
 226
 227 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
 228
 229         PR rtl-optimization/51924
 230         * ree.c (combine_set_extension): Improve debugging message.
 231         (combine_reaching_defs): Likewise.
 232         (get_defs): Rename confusingly named variable.
 233         (find_and_remove_re): Skip a candidate if the extension expression has
 234         been modified.
 235
 236 2012-01-21  Robert Millan  <rmh@gnu.org>
 237             Gerald Pfeifer  <gerald@pfeifer.com>
 238
 239         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
 240         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
 241
 242 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 243
 244         PR tree-optimization/51914
 245         * tree-vect-stmts.c (vectorizable_conversion): For
 246         cvt_type && modifier == WIDEN, put temporary with cvt_type
 247         at the beginning of vec_dsts and set vec_dest to temporary
 248         with vectype_out.
 249
 250 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
 251
 252         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
 253
 254 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
 255
 256         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
 257         * config/rs6000/rs6000.c: Likewise.
 258
 259 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 260
 261         PR target/51915
 262         * config/arm/arm.c (arm_count_output_move_double_insns): Call
 263         output_move_double on a copy of operands array.
 264
 265 2012-01-20  Cary Coutant  <ccoutant@google.com>
 266             Dodji Seketeli  <dodji@redhat.com>
 267
 268         PR debug/45682
 269         * dwarf2out.c (copy_declaration_context): Return ref to parent
 270         of declaration DIE, if necessary.
 271         (remove_child_or_replace_with_skeleton): Add new parameter; update
 272         caller.  Place skeleton DIE under parent DIE of original declaration.
 273         Move call to copy_declaration_context to here ...
 274         (break_out_comdat_types): ... from here.
 275
 276 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 277
 278         PR rtl-optimization/51856
 279         * reload.c (find_reloads_subreg_address): Set the address_reloaded
 280         flag to reloaded.
 281
 282 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 283
 284         PR target/51819
 285         * config/arm/arm.c (arm_print_operand): Correct output of alignment
 286         hints for neon loads and stores.
 287
 288 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
 289
 290         PR target/49868
 291         PR target/50887
 292         * doc/extend.texi (Named Address Spaces): Split into subsections.
 293         (AVR Named Address Spaces): New subsection.
 294         (M32C Named Address Spaces): New subsection.
 295         (RL78 Named Address Spaces): New subsection.
 296         (SPU Named Address Spaces): New subsection.
 297         (Variable Attributes): New anchor "AVR Variable Attributes".
 298         (AVR Variable Attributes): Rewrite and avoid wording
 299         "address space" in this context.
 300         * doc/invoke.texi (AVR Options): Rewrite and add documentation
 301         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
 302         (AVR Built-in Macros): New subsubsection therein.
 303         * doc/md.texi (AVR constraints): Remove "C04", "R".
 304
 305 2012-01-20  Richard Guenther  <rguenther@suse.de>
 306
 307         PR tree-optimization/51903
 308         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
 309         when removing stmts.
 310
 311 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 312
 313         PR target/50313
 314         * config/arm/arm.c (arm_load_pic_register): Use
 315         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
 316         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
 317         (arm_pic_static_addr): Likewise.
 318         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
 319         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
 320         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
 321         (pic_load_addr_unified): New.
 322
 323 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
 324
 325         PR target/51106
 326         * function.c (instantiate_virtual_regs_in_insn): Use
 327         delete_insn_and_edges when removing a wrong asm insn.
 328
 329 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
 330
 331         PR rtl-optimization/40761
 332         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
 333         Add new member loop_num.
 334         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
 335         (ira_build): Remove the parameter.
 336
 337         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
 338         (ira.c): Do not build CFG loops for one region allocation.  Remove
 339         argument from ira_build call.
 340
 341         * ira-build.c (init_loop_tree_node): New function.
 342         (create_loop_tree_nodes): Use it.  Separate the case when CFG
 343         loops are not built.
 344         (more_one_region_p): Check current_loops.
 345         (finish_loop_tree_nodes): Separate the case when CFG loops are not
 346         built.
 347         (add_loop_to_tree): Process loop equal to NULL too.
 348         (form_loop_tree): Separate the case when CFG loops are not built.
 349         Use explicitly number for the root.
 350         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
 351         an assertion.
 352         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
 353         instead of loop->num.
 354         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
 355         (mark_all_loops_for_removal): Ditto.
 356         (remove_unnecessary_regions): Separate the case when CFG loops
 357         are not built.
 358         (ira_build): Remove the parameter.  Use explicit number of regions
 359         when CFG loops are not built.
 360
 361         * ira-color.c (print_loop_title): Separate the case for the root node.
 362         Use loop_num instead of loop->num.
 363         (move_spill_restore): Use loop_num instead of loop->num.
 364
 365         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
 366         (change_loop): Ditto.
 367         (change_loop): Use loop_num instead of loop->num.
 368
 369         * ira-lives.c (process_bb_node_lives): Ditto.
 370
 371         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
 372
 373         * ira-conflicts.c (print_allocno_conflicts): Ditto.
 374
 375 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 376
 377         PR libmudflap/40778
 378         * tree-mudflap.c (mf_artificial): New function.
 379         (execute_mudflap_function_ops, execute_mudflap_function_decls,
 380         mx_register_decls, mudflap_enqueue_decl): Use it.
 381
 382         PR target/51876
 383         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
 384         numbers in the insn pattern.
 385
 386 2012-01-19  Michael Matz  <matz@suse.de>
 387
 388         PR tree-optimization/46590
 389         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
 390         use it in remembering which conflicts we already created.
 391         (add_scope_conflicts): Adjust call to above, (de)allocate helper
 392         bitmap.
 393
 394 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
 395
 396         PR lto/51280
 397         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
 398         (merge_and_complain): Same.
 399
 400 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 401
 402         PR bootstrap/50237
 403         * config/initfini-array.h: Guard content of the header
 404         with #ifdef HAVE_INITFINI_ARRAY.
 405         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
 406         Add initfini-array.h to tm_file here.
 407         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
 408         * config.gcc: Don't add initfini-array.h to tm_file here.
 409         * configure: Regenerated.
 410
 411 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
 412
 413         PR rtl-optimization/51505
 414         * df-problems.c (df_kill_notes): New parameter live. Update comment.
 415         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
 416         (df_note_bb_compute): Update the call to df_kill_notes.
 417
 418 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
 419
 420         * trans-mem.c (requires_barrier): Remove call to is_global_var.
 421
 422 2012-01-18  Richard Guenther  <rguenther@suse.de>
 423
 424         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
 425         of conversions to void *.
 426
 427 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 428             Richard Sandiford  <rdsandiford@googlemail.com>
 429
 430         PR middle-end/50325
 431         PR middle-end/51192
 432         * optabs.h (simplify_expand_binop): Declare.
 433         * optabs.c (simplify_expand_binop): Make global.
 434         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
 435         endian targets if the source cannot be exactly covered by word
 436         mode chunks.
 437
 438 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 439
 440         PR bootstrap/51872
 441         * hard-reg-set.h (struct hard_reg_set_container): New type.
 442         * target.h (struct hard_reg_set_container): Forward declare.
 443         * target.def (set_up_by_prologue): New target hook.
 444         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
 445         * doc/tm.texi: Regenerated.
 446         * function.c (thread_prologue_and_epilogue_insns): Change
 447         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
 448         Call targetm.set_up_by_prologue on it.
 449         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
 450         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
 451
 452 2012-01-17  Nick Clifton  <nickc@redhat.com>
 453
 454         * config/rx/rx.c (rx_can_use_simple_return): New function.
 455         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
 456         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
 457
 458 2012-01-17  Richard Guenther  <rguenther@suse.de>
 459
 460         PR middle-end/51782
 461         * expr.c (expand_assignment): Take address-space information
 462         from the address operand of MEM_REF and TARGET_MEM_REF.
 463         (expand_expr_real_1): Likewise.
 464
 465 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 466
 467         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
 468         reload dump is requested.
 469
 470 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
 471
 472         PR other/51165
 473         * trans-mem.c (requires_barrier): Call may_be_aliased.
 474
 475 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 476
 477         PR tree-optimization/51877
 478         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
 479         call arguments and fndecls compare equal, instead return false if they
 480         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
 481         both SSA_NAMEs that are valueized the same, or they satisfy
 482         operand_equal_p.
 483
 484 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 485
 486         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
 487         Solaris 11+.
 488         * configure: Regenerate.
 489
 490 2012-01-16  Jan Hubicka  <jh@suse.cz>
 491
 492         PR c/12245
 493         PR c++/14179
 494         * convert.c (convert_to_integer): Use fold_convert for
 495         converting an INTEGER_CST to integer type.
 496
 497 2012-01-16  Jason Merrill  <jason@redhat.com>
 498
 499         PR c++/14179
 500         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
 501
 502 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
 503
 504         PR bootstrap/51860
 505         * config/s390/s390.c (s390_chunkify_start): Don't skip
 506         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
 507         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
 508         If insn is followed by NOTE_INSN_VAR_LOCATION or
 509         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
 510         Don't use location of note insns.
 511
 512         PR tree-optimization/51865
 513         * tree-inline.c (tree_function_versioning): Call remap_decl
 514         on DECL_RESULT whenever it has VOID_TYPE_P type.
 515
 516 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
 517
 518         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
 519         for calls to locally-binding MIPS16 functions if only the return
 520         type uses float regs.
 521
 522 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
 523             Richard Sandiford  <rdsandiford@googlemail.com>
 524
 525         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
 526         (SYMBOL_32_HIGH): Likewise.
 527         (mips_output_tls_reloc_directive): Declare.
 528         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
 529         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
 530         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
 531         (mips_lo_relocs, mips_hi_relocs): Make extern.
 532         (mips16_stub_function): Move up file.
 533         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
 534         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
 535         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
 536         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
 537         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
 538         (mips_get_tp): Add MIPS16 support.
 539         (mips_legitimize_tls_address): Remove MIPS16 sorry().
 540         Generalize DTPREL and TPREL handling.
 541         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
 542         Add MIPS16 TLS support.
 543         (mips_output_tls_reloc_directive): New function.
 544         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
 545         * config/mips/predicates.md (symbolic_operand_with_high)
 546         (tls_reloc_operand): New predicates.
 547         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
 548         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
 549         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
 550         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
 551         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
 552         (*tls_get_tp_mips16_call_<mode>): Likewise.
 553
 554 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
 555
 556         PR rtl-optimization/51821
 557         * recog.c (peep2_find_free_register): Determine clobbered registers
 558         from insn pattern.
 559
 560 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
 561
 562         PR target/50925
 563         * config/avr/avr-protos.h: Revert change of 2012-01-09.
 564         * config/avr/avr.c: Likewise.
 565         * config/avr/avr.h: Likewise.
 566
 567 2012-01-13  Ian Lance Taylor  <iant@google.com>
 568
 569         PR c++/50012
 570         * tree.h (TYPE_QUALS): Add cast to int.
 571         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
 572
 573 2012-01-13  Ian Lance Taylor  <iant@google.com>
 574
 575         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
 576         comparing param_index to VEC_length result.
 577
 578 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
 579
 580         * c-decl.c: Do not include tree-mudflap.h
 581         * tree-optimize.c: Likewise.
 582         * Makefile.in: Update dependencies.
 583
 584 2012-01-13  Richard Guenther  <rguenther@suse.de>
 585
 586         PR middle-end/8081
 587         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
 588         variable-sized result always use RSO.
 589
 590 2012-01-12  DJ Delorie  <dj@redhat.com>
 591
 592         * cfgexpand.c (convert_debug_memory_address): Allow any valid
 593         pointer type, not just the default pointer type.
 594
 595 2012-01-09  Richard Henderson  <rth@redhat.com>
 596             Denis Chertykov  <chertykov@gmail.com>
 597
 598         PR target/50925
 599         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
 600         * config/avr/avr.c (avr_can_eliminate): Simplify.
 601         (avr_initial_elimination_offset): Likewise.
 602         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
 603         (expand_epilogue): Likewise.
 604         (avr_legitimize_address): Gut.
 605         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
 606         (avr_hard_regno_nregs): New.
 607         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
 608         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
 609         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
 610         add soft frame pointer.
 611         (CALL_USED_REGISTERS): Likewise.
 612         (REG_CLASS_CONTENTS): Likewise.
 613         (REGISTER_NAMES): Likewise.
 614         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
 615         (HARD_FRAME_POINTER_REGNUM): New.
 616         (FRAME_POINTER_REGNUM): Use soft frame pointer.
 617         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
 618         remove the HARD_FRAME_POINTER self-elimination.
 619
 620 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
 621
 622         PR target/51756
 623         * config/avr/avr.c (avr_encode_section_info): Test for absence of
 624         DECL_EXTERNAL when checking for initializers of progmem variables.
 625
 626 2012-01-12  Ira Rosen  <irar@il.ibm.com>
 627
 628         PR tree-optimization/51799
 629         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
 630         that the last operation is a type demotion.
 631
 632 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
 633
 634         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
 635         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
 636
 637 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
 638
 639         PR bootstrap/51796
 640         * combine.c (distribute_notes): If i3 is a noreturn call,
 641         allow old_size to be equal to args_size and make sure the
 642         noreturn call gets REG_ARGS_SIZE note.
 643         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
 644         on noreturn calls even when the delta is 0.
 645
 646 2012-01-11  Nathan Sidwell  <nathan@acm.org>
 647
 648         * gcov.c (STRING_SIZE): Remove.
 649         (generate_results): Erase annotations for source files with no
 650         coverage information.
 651         (read_line): New.
 652         (output_lines): Use it.
 653
 654 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 655
 656         * gimple.h (gimplify_body): Remove first argument.
 657         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
 658         pointer set here, instead just pass DATA to walk_tree.
 659         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
 660         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
 661         (unvisit_body): Likewise, but with unmark_visited.
 662         (gimplify_body): Remove BODY_P argument and adjust.
 663         (gimplify_function_tree): Adjust call to gimplify_body.
 664         * omp-low.c (finalize_task_copyfn): Likewise.
 665
 666 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 667
 668         * tree.h (build_function_decl_skip_args): Add boolean parameter.
 669         (build_function_type_skip_args): Delete.
 670         * tree.c (build_function_type_skip_args): Make static and add
 671         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
 672         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
 673         pass it to build_function_type_skip_args.
 674         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
 675         (tree_function_versioning): Likewise.
 676         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
 677         build_function_decl_skip_args.
 678         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
 679         and pass it to build_function_decl_skip_args/tree_function_versioning.
 680         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
 681         * ipa-inline-transform.c (save_inline_function_body): Likewise.
 682         * trans-mem.c (ipa_tm_create_version): Likewise.
 683         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
 684         * tree-inline.c (declare_return_variable): Remove always-true test.
 685         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
 686         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
 687         * ipa-split.c (split_function): Skip the return value for the split
 688         part if it doesn't return.
 689
 690 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 691
 692         PR tree-optimization/49642
 693         * ipa-split.c (forbidden_dominators): New variable.
 694         (check_forbidden_calls): New function.
 695         (dominated_by_forbidden): Likewise.
 696         (consider_split): Check for forbidden dominators.
 697         (execute_split_functions): Initialize and free forbidden
 698         dominators info; call check_forbidden_calls.
 699
 700 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 701
 702         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
 703
 704 2012-01-11  Nick Clifton  <nickc@redhat.com>
 705
 706         * config/rx/rx.md (return): Define pattern.
 707
 708 2012-01-11  Richard Guenther  <rguenther@suse.de>
 709
 710         * doc/extend.texi (malloc attribute): Adjust according to
 711         implementation.
 712
 713 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
 714             Patrick Marlier  <patrick.marlier@gmail.com>
 715
 716         PR middle-end/51516
 717         * trans-mem.c (get_cg_data): Traverse aliases if requested.
 718         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
 719         (ipa_tm_note_irrevocable): Same.
 720         (ipa_tm_scan_irr_block): Same.
 721         (ipa_tm_decrement_clone_counts): Same.
 722         (ipa_tm_scan_irr_function): Same.
 723         (ipa_tm_create_version_alias): Same.
 724         (ipa_tm_create_version): Same.
 725         (ipa_tm_transform_calls_redirect): Same.
 726         (ipa_tm_transform_calls): Same.
 727         (ipa_tm_transform_transaction): Same.
 728         (ipa_tm_execute): Same.
 729
 730 2012-01-10  Richard Guenther  <rguenther@suse.de>
 731
 732         PR middle-end/51806
 733         * opts.c (common_handle_option): Handle -Werror.
 734
 735 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
 736
 737         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
 738         operand number.
 739
 740 2012-01-10  Jason Merrill  <jason@redhat.com>
 741
 742         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
 743         information.
 744
 745 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 746
 747         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
 748         supports R_386_TLS_GD_PLT reloc.
 749         (gcc_cv_as_ix86_tlsldmplt): Check if linker
 750         supports R_386_TLS_LDM_PLT reloc.
 751         * configure: Regenerate.
 752         * config.in: Regenerate.
 753
 754 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
 755
 756         PR target/49868
 757         Extend __pgmx semantics to linearize memory.
 758         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
 759         determine if code comes inline or from libgcc.
 760         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
 761         (movmem_qi, movmem_qi): Set constraint #2 to "n".
 762         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
 763         (movmemx_qi, movmemx_hi): New insns.
 764         (xload_<mode>_libgcc): Rewrite to new insn condition.
 765         (xload_<mode>): Remove insns.
 766         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
 767         cases that don't satisfy avr_xload_libgcc_p().
 768         (avr_addr_space_convert): Allow converting in any direction.
 769         (avr_addr_space_subset_p): Return always true.
 770         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
 771         (avr_emit_movmemhi): Ditto.
 772         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
 773         (avr_out_movmem): Ditto.
 774         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
 775         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
 776         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
 777         (avr_encode_section_info): Encode 'progmem' in symbol flags.
 778         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
 779
 780 2012-01-10  Richard Guenther  <rguenther@suse.de>
 781
 782         PR tree-optimization/50913
 783         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
 784         Require data-refs to be representable by Graphite with respect
 785         to any loop nest.
 786
 787 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
 788
 789         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
 790         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
 791
 792 2012-01-10  Tom de Vries  <tom@codesourcery.com>
 793
 794         PR rtl-optimization/51271
 795         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
 796         handling annulled branch.
 797
 798 2012-01-10  Richard Henderson  <rth@redhat.com>
 799
 800         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
 801         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
 802         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
 803         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
 804         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
 805         arm_expand_vec_perm_const): New.
 806         * config/arm/arm-protos.h: Update.
 807         * config/arm/neon.md (UNSPEC_VCONCAT): New.
 808         (*neon_vswp<VDQX>): New.
 809         (neon_vcombine<VDX>): Use neon_split_vcombine.
 810         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
 811         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
 812         (vec_perm<VE>): New.
 813
 814 2012-01-10  Richard Henderson  <rth@redhat.com>
 815
 816         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
 817         use it if reload_completed.
 818         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
 819         arm_output_asm_insn, arm_process_output_memory_barrier,
 820         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
 821         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
 822         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
 823         arm_process_output_sync_insn, arm_output_sync_insn,
 824         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
 825         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
 826         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
 827         (emit_unlikely_jump): New.
 828         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
 829         (arm_split_atomic_op): New.
 830         * config/arm/arm-protos.h: Update.
 831         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
 832         (struct arm_sync_generator): Remove.
 833         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
 834         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
 835         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
 836         (VUNSPEC_LL, VUNSPEC_SC): New.
 837         (sync_result, sync_memory, sync_required_value, sync_new_value,
 838         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
 839         (attr length): Don't use arm_sync_loop_insns.
 840         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
 841         (movsfcc, movdfcc): Likewise.
 842         * config/arm/constraints.md (Ua): New.
 843         * config/arm/prediates.md (mem_noofs_operand): New.
 844         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
 845         (sync_clobber, sync_t2_reqd): Remove.
 846         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
 847         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
 848         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
 849         (arm_sync_compare_and_swap<SIDI>): Remove.
 850         (arm_sync_compare_and_swap<NARROW>): Remove.
 851         (arm_sync_lock_test_and_set<SIDI>): Remove.
 852         (arm_sync_lock_test_and_set<NARROW>): Remove.
 853         (arm_sync_new_<syncop><SIDI>): Remove.
 854         (arm_sync_new_<syncop><NARROW>): Remove.
 855         (arm_sync_new_nand<SIDI>): Remove.
 856         (arm_sync_new_nand<NARROW>): Remove.
 857         (arm_sync_old_<syncop><SIDI>): Remove.
 858         (arm_sync_old_<syncop><NARROW>): Remove.
 859         (arm_sync_old_nand<SIDI>): Remove.
 860         (arm_sync_old_nand<NARROW>): Remove.
 861         (*memory_barrier): Merge arm_output_memory_barrier.
 862         (atomic_compare_and_swap<QHSD>): New.
 863         (atomic_compare_and_swap<NARROW>_1): New.
 864         (atomic_compare_and_swap<SIDI>_1): New.
 865         (atomic_exchange<QHSD>): New.
 866         (cas_cmp_operand, cas_cmp_str): New.
 867         (atomic_op_operand, atomic_op_str): New.
 868         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
 869         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
 870         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
 871         (arm_load_exclusive<NARROW>): New.
 872         (arm_load_exclusivesi, arm_load_exclusivedi): New.
 873         (arm_store_exclusive<QHSD>): New.
 874
 875 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
 876
 877         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
 878         reload patterns if -mvsx-scalar-memory.
 879
 880         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
 881         generated, even -mno-vsx-scalar-double was used.
 882         (vsx_xscvdpsp_scalar): Likewise.
 883         (vsx_xscvspdp_scalar2): Likewise.
 884
 885 2012-01-09  Tom de Vries  <tom@codesourcery.com>
 886             Andrew Pinski  <apinski@cavium.com>
 887
 888         PR debug/51471
 889         * reorg.c (fill_slots_from_thread): Don't speculate
 890         frame-related insns.
 891
 892 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
 893
 894         * sched-int.h (bb_note): Move to...
 895         * basic-block.h: ...here.
 896         * haifa-sched.c (bb_note): Move to...
 897         * cfgrtl.c: ...here.
 898         * function.c (next_block_for_reg): New function.
 899         (move_insn_for_shrink_wrap): Likewise.
 900         (prepare_shrink_wrap): Rewrite to use the above.
 901
 902 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
 903
 904         * gimple.c (is_gimple_non_addressable): Remove.
 905         * gimple.h: Remove is_gimple_non_addressable.
 906         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
 907         is_gimple_non_addressable.
 908         * trans-mem.c (expand_assign_tm): Same.
 909
 910 2012-01-09  Richard Guenther  <rguenther@suse.de>
 911
 912         PR tree-optimization/51775
 913         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
 914         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
 915
 916 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 917
 918         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
 919         tuning parameters.
 920         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
 921
 922 2012-01-09  Richard Guenther  <rguenther@suse.de>
 923
 924         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
 925
 926 2012-01-08  Jan Hubicka  <jh@suse.cz>
 927
 928         PR tree-optimize/51680
 929         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
 930         on when known_vals needs to be computed; cleanup.
 931
 932 2012-01-08  Jan Hubicka  <jh@suse.cz>
 933
 934         PR tree-optimize/51694
 935         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
 936
 937 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
 938
 939         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
 940         for -std=c++98 and -std=c++11 too.
 941
 942 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
 943
 944         * cfgloop.c (cancel_loop): Add free() of bbs array.
 945
 946 2012-01-07  Jan Hubicka  <jh@suse.cz>
 947
 948         PR tree-optimization/51600
 949         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
 950         that benefits small functions.
 951
 952 2012-01-07  Jan Hubicka  <jh@suse.cz>
 953
 954         * ipa-inline.c (want_inline_small_function_p): Fix formating.
 955
 956 2012-01-07  Jan Hubicka  <jh@suse.cz>
 957
 958         PR tree-optimization/51680
 959         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
 960         whose inlining reduce unit size.
 961
 962 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
 963
 964         PR bootstrap/51725
 965         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
 966         Add canonical node to containing_mem chain after the non-canonical
 967         one, even if there weren't any locs to propagate.
 968         (remove_useless_values): Keep only canonical values.
 969         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
 970         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
 971         canonicalize mem_chain elements that are not discarded.
 972
 973 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
 974
 975         PR target/47333
 976         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
 977         before emitting functions.
 978
 979         PR gcov-profile/50127
 980         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
 981         clear_aux_for_blocks.
 982
 983 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
 984
 985         PR debug/51746
 986         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
 987
 988 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
 989
 990         * c-decl.c (ext_block): Moved up.
 991         (collect_all_refs, for_each_global_decl): Take ext_block into account.
 992
 993 2012-01-06  Han Shen  <shenhan@google.com>
 994
 995         Translate built-in include paths for sysroot.
 996         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
 997         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
 998
 999         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1000         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1001
1002         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1003         control whether sysroot should be prepended to gxx include dir.
1004
1005         * configure: Regenerate.
1006
1007 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1008
1009         PR rtl-optimization/51771
1010         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1011         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1012
1013 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1014
1015         PR tree-optimization/51315
1016         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1017         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1018
1019 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1020
1021         PR target/51681
1022         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1023         for shrp pattern.  Correctly handle and fixup shift variable.
1024         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1025
1026 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1027
1028         PR debug/51762
1029         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1030         note when !ACCUMULATE_OUTGOING_ARGS.
1031
1032 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1033
1034         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1035         condition.
1036         (extract_range_from_unary_expr_1): Avoid useless computations.
1037
1038 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1039
1040         PR rtl-optimization/51767
1041         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1042         of jump_block and add an extra edge for degenerated asm gotos.
1043
1044         PR middle-end/51768
1045         * stmt.c (check_unique_operand_names): Don't ICE during error
1046         reporting if i is from labels chain.
1047
1048         PR middle-end/44777
1049         * profile.c (branch_prob): Split bbs that have exit edge
1050         and need a fake entry edge too.
1051
1052 2012-01-05  Jan Hubicka  <jh@suse.cz>
1053
1054         PR middle-end/49710
1055         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1056         unlooping loops.
1057
1058 2012-01-05  Richard Guenther  <rguenther@suse.de>
1059
1060         PR lto/50490
1061         * tree-streamer-out.c (write_ts_optimization): New function.
1062         (streamer_write_tree_body): Call it.
1063         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1064         (streamer_read_tree_body): Call it.
1065         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1066
1067 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1068
1069         PR middle-end/51761
1070         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1071         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1072         in_cleanup_point_expr before gimplify_stmt call and restore it
1073         afterwards.
1074         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1075         in_cleanup_point_expr is false.
1076
1077 2012-01-05  Richard Guenther  <rguenther@suse.de>
1078
1079         PR middle-end/51764
1080         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1081         to c.opt.
1082         * toplev.c (process_options): Reject combining mudflap and LTO.
1083         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1084
1085 2012-01-05  Richard Guenther  <rguenther@suse.de>
1086
1087         PR tree-optimization/51760
1088         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1089         not VARYING.
1090         (bit_value_unop): Handle UNDEFINED operands.
1091         (bit_value_binop): Likewise.
1092
1093 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1094
1095         * config/avr/avr.c (avr_replace_prefix): Remove.
1096         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1097         (avr_asm_function_rodata_section): Ditto.
1098         (avr_asm_select_section): Ditto.
1099
1100 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1101
1102         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1103         insertion.
1104
1105 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1106
1107         PR bootstrap/51648
1108         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1109         calls that have any non-fake successor edges.
1110
1111         PR debug/51746
1112         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1113
1114 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1115
1116         PR tree-optimization/51624
1117         * tree-sra.c (build_ref_for_model): When replicating a chain of
1118         COMPONENT_REFs, stop as soon as the offset would become negative.
1119
1120 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1121
1122         PR debug/51695
1123         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1124         in .debug_loc on the floor.
1125
1126 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1127
1128         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1129
1130 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1131             Adam Nemet  <anemet@caviumnetworks.com>
1132
1133         * config/mips/mips.md (size): Add SI and DI.
1134         (SIZE): New mode attribute.
1135         (U): New code attribute.
1136         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1137         (mips_lbux_<mode>): Delete.
1138         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1139         (mips_lhx): Use gen_mips_lhx_extsi.
1140         (mips_lhx_<mode>): Delete.
1141         (mips_lwx): Delete.
1142         (mips_l<size>x): New expand.
1143         (mips_lwx_<mode>): Delete.
1144         (mips_l<GPR:size>x_<P:mode>): New pattern.
1145         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1146         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1147         * config/mips/mips.c (mips_lx_address_p): New function.
1148         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1149         (dsp64): New availability predicate.
1150         (mips_builtins): Add an entry for __builtin_mips_ldx.
1151         * config/mips/mips.h (ISA_HAS_LBX): New define.
1152         (ISA_HAS_LBUX): Likewise.
1153         (ISA_HAS_LHX): Likewise.
1154         (ISA_HAS_LHUX): Likewise.
1155         (ISA_HAS_LWX): Likewise.
1156         (ISA_HAS_LWUX): Likewise.
1157         (ISA_HAS_LDX): Likewise.
1158         * doc/extend.texi (__builtin_mips_ldx): Document.
1159
1160 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1161
1162         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1163         when long pointers are used.
1164         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1165         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1166         (ia64-hp-*vms*): Remove.
1167         * config/vms/xm-vms64.h: Delete.
1168
1169 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1170
1171         PR middle-end/51472
1172         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1173
1174 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1175
1176         * opts.c (finish_options): Remove duplicate sorry.
1177
1178 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1179
1180         PR middle-end/51696
1181         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1182         correctly.
1183
1184 2012-01-04  Richard Guenther  <rguenther@suse.de>
1185
1186         PR middle-end/51750
1187         * tree.c (size_low_cst): New function.
1188         * tree.h (size_low_cst): Declare.
1189         * fold-const.c (fold_comparison): Use it to extract the low
1190         part of the POINTER_PLUS_EXPR offset.
1191
1192 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1193
1194         Fix clearing ZERO_REG
1195         * config/avr/avr.md (cc): Add alternative "ldi".
1196         (movqi_insn): Use it in cc attribute.
1197         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1198         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1199         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1200
1201 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1202
1203         * configure: Regenerate.
1204
1205 2012-01-04  Richard Guenther  <rguenther@suse.de>
1206
1207         PR tree-optimization/49651
1208         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1209         (var_can_have_subvars): Use it.
1210         (get_constraint_for_1): Only consider subfields if there can be any.
1211
1212 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1213
1214         PR bootstrap/51725
1215         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1216         to its new canonical_cselib_val and the cselib_val was in
1217         first_containing_mem chain, but the canonical_cselib_val was not,
1218         add the latter into the chain.
1219         (cselib_invalidate_mem): Compare canonical_cselib_val of
1220         addr_list chain elt with v.
1221
1222         PR pch/51722
1223         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1224         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1225         of xstrdup.
1226         (output_macinfo_op): Don't ggc_strdup fd->filename.
1227         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1228         then ggc_strdup it.  Don't free inc->info or cur->info.
1229         (output_macinfo): Don't free ref->info or file->info.
1230
1231 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1232
1233         PR tree-optimization/51269
1234         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1235         first_niters a pointer.
1236         (slpeel_tree_peel_loop_to_edge): Likewise.
1237         (vect_do_peeling_for_loop_bound): Update call to
1238         slpeel_tree_peel_loop_to_edge.
1239         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1240         here.  Remove it from the parameters list.
1241         (vect_do_peeling_for_alignment): Update calls and compute
1242         wide_prolog_niters.
1243
1244 2012-01-03  Richard Guenther  <rguenther@suse.de>
1245
1246         PR tree-optimization/51070
1247         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1248         Properly handle calls.
1249
1250 2012-01-03  Richard Guenther  <rguenther@suse.de>
1251
1252         PR tree-optimization/51692
1253         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1254         the LHS of allocation stmts.
1255
1256 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1257
1258         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1259
1260 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1261
1262         * collect2.c (main): In AIX specific computations for vector
1263         insertions, use CONST_CAST2 to cast from char ** to const char **.
1264
1265 2012-01-03  Richard Guenther  <rguenther@suse.de>
1266
1267         PR debug/51650
1268         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1269         the context of a limbo DIE when it does not already exist.
1270
1271 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1272
1273         PR tree-optimization/51719
1274         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1275         but direct call is, clear direct call's lhs and don't add fallthrough
1276         edge from dcall_bb to join_bb and PHIs.
1277
1278 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1279
1280         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1281         the instructions emitted by the pattern.
1282         ("*TDC_insn_<mode>"): Add comment.
1283
1284 2012-01-03  Richard Guenther  <rguenther@suse.de>
1285
1286         PR middle-end/51730
1287         * fold-const.c (fold_comparison): Properly canonicalize
1288         tree offset and HOST_WIDE_INT bit position.
1289
1290 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1291
1292         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1293         operands for extzv pattern.
1294
1295 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1296
1297         PR bootstrap/51725
1298         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1299         on mem_elt first.
1300
1301 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1302
1303         * doc/invoke.texi (-flto and related options): Copy-edit.
1304
1305 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1306
1307         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1308
1309 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1310
1311         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1312         New patterns.
1313
1314 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1315
1316         * expr.h (move_by_pieces_ninsns): Declare.
1317         * expr.c (move_by_pieces_ninsns): Make external.
1318         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1319         (mips_store_by_pieces_p): Likewise.
1320         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1321         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1322         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1323         (mips_store_by_pieces_p): Likewise.
1324
1325 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1326
1327         * passes.c (register_one_dump_file): Free full_name.
1328
1329         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1330         (calculate_elim_costs_all_insns): Free offsets_at and
1331         offsets_known_at at the end and clear the pointers.
1332
1333 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1334
1335         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1336         this option introduced in r180739.
1337
1338 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1339
1340         PR target/51345
1341         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1342         (tmake_file target=avr): Add avr/t-multilib.
1343
1344         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1345         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1346         * config/avr/genmultilib.awk: New file.
1347         * config/avr/t-multilib: New auto-generated file.
1348         * config/avr/multilib.h: New auto-generated file.
1349         * config/avr/t-avr (AVR_MCUS): New variable.
1350         (genopt.sh): Use it.
1351         (s-mlib): Depend on t-multilib.
1352         (t-multilib, multilib.h): New dependencies.
1353         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1354         (MULTILIB_OPTIONS): Remove.
1355         (MULTILIB_MATCHES): Remove.
1356         (MULTILIB_DIRNAMES): Remove.
1357         (MULTILIB_EXCEPTIONS): Remove:
1358         * config/avr/genopt.sh: Don't use hard coded file name;
1359         pass AVR_MCUS from t-avr instead.
1360
1361 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1362
1363         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1364
1365 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1366
1367         Implement light-weight DImode support.
1368         * config/avr/avr-dimode.md: New file.
1369         * config/avr/avr.md: Include it.
1370         (adjust_len): Add plus64, compare64.
1371         (HIDI): Remove code iterator.
1372         (code_stdname): New code attribute.
1373         (rotx, rotsmode): Remove DI.
1374         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1375         as code iterator.
1376         * config/avr/avr-protos.h (avr_have_dimode): New.
1377         (avr_out_plus64, avr_out_compare64): New.
1378         * config/avr/avr.c (avr_out_compare): Handle DImode.
1379         (avr_have_dimode): New variable definition and initialization.
1380         (avr_out_compare64, avr_out_plus64): New functions.
1381         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1382         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1383         (avr_compare_pattern): Skip DImode comparisons.
1384
1385 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1386
1387         * ddg.c (def_has_ccmode_p): New function.
1388         (add_cross_iteration_register_deps,
1389         create_ddg_dep_from_intra_loop_link): Call it.
1390
1391 2012-01-02  Richard Guenther  <rguenther@suse.de>
1392
1393         PR other/51679
1394         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1395
1396 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1397
1398         * gcc.c (process_command): Update copyright notice dates.
1399         * gcov.c (print_version): Likewise.
1400         * gcov-dump.c (print_version): Likewise.
1401         * mips-tfile.c (main): Likewise.
1402         * mips-tdump.c (main): Likewise.
1403
1404 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1405
1406         PR tree-optimization/51704
1407         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1408         a use is inside the basic block or loop before accessing its vect info.
1409
1410 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1411
1412         PR rtl-optimization/51069
1413         * cfgloopmanip.c (remove_path): Removing path making irreducible
1414         region unconditional makes BB part of the region.
1415
1416 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1417
1418         PR tree-optimization/51683
1419         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1420         calls with side-effects.
1421         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1422 \f
1423 Copyright (C) 2012 Free Software Foundation, Inc.
1424
1425 Copying and distribution of this file, with or without modification,
1426 are permitted in any medium without royalty provided the copyright
1427 notice and this notice are preserved.