gcc/ChangeLog

   1 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
   2
   3         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
   4         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
   5         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
   6         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
   7         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
   8         TARGET_PAIRED_SINGLE_FLOAT.
   9
  10 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
  11
  12         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
  13         (in_struct, return_val): Remove MEM documentation.
  14         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
  15         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
  16         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
  17         and MEM_SCALAR.
  18         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
  19         * cfgexpand.c (add_alias_set_conflicts): Likewise.
  20         * expr.c (store_field): Likewise.
  21         * function.c (assign_stack_temp_for_type): Likewise.
  22         * ifcvt.c (noce_try_cmove_arith): Likewise.
  23         * reload1.c (reload): Likewise.
  24         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
  25         (alpha_set_memflags): Likewise.
  26         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
  27
  28 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
  29
  30         * rtl.h (true_dependence, canon_true_dependence): Remove varies
  31         parameter.
  32         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
  33         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
  34         (true_dependence_1, true_dependence, canon_true_dependence): Remove
  35         varies parameter.
  36         * cselib.c (cselib_rtx_varies_p): Delete.
  37         (cselib_invalidate_mem): Update call to canon_true_dependence.
  38         * dse.c (record_store, check_mem_read_rtx): Likewise.
  39         (scan_reads_nospill): Likewise.
  40         * cse.c (check_dependence): Likewise.
  41         (cse_rtx_varies_p): Delete.
  42         * expr.c (safe_from_p): Update call to true_dependence.
  43         * ira.c (validate_equiv_mem_from_store): Likewise.
  44         (memref_referenced_p): Likewise.
  45         * postreload-gcse.c (find_mem_conflicts): Likewise.
  46         * sched-deps.c (sched_analyze_2): Likewise.
  47         * store-motion.c (load_kills_store): Likewise.
  48         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
  49         * gcse.c (mems_conflict_for_gcse_p): Likewise.
  50         (compute_transp): Update call to canon_true_dependence.
  51
  52 2012-01-25  Richard Henderson  <rth@redhat.com>
  53
  54         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
  55         (maybe_emit_atomic_test_and_set): New.
  56         (expand_sync_lock_test_and_set): Use it.
  57         (expand_atomic_test_and_set): Likewise.
  58         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
  59         the implementation; clarify implementation defined details.
  60         * doc/md.texi (atomic_test_and_set): Document.
  61
  62 2012-01-25  Richard Henderson  <rth@redhat.com>
  63
  64         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
  65
  66 2012-01-25  Richard Henderson  <rth@redhat.com>
  67
  68         PR target/51968
  69         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
  70         to effect no-op split.
  71
  72 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
  73             Patrick Marlier  <patrick.marlier@gmail.com>
  74
  75         * trans-mem.c (requires_barrier): Do not instrument thread local
  76         variables and emit save/restore for them.
  77
  78 2012-01-24  Jason Merrill  <jason@redhat.com>
  79
  80         PR c++/51812
  81         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
  82         output static aliases.
  83
  84 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
  85
  86         PR driver/47249
  87         * common.opt (-pie, -shared, pie, shared): Change from Common to
  88         Driver.
  89         * gcc.c (display_help): Display help for -pie and -shared.
  90
  91 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
  92
  93         PR target/49868
  94         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
  95         Remove note on size/offset limitation.
  96         (AVR Variable Attributes): Add example how to read data located
  97         with progmem.  Refer to named address spaces.
  98         * doc/invoke.texi (AVR Options): Fix typo.
  99
 100 2012-01-24  Richard Guenther  <rguenther@suse.de>
 101
 102         Forward-port to trunk
 103         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
 104
 105         PR middle-end/45678
 106         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
 107         op0 isn't sufficiently aligned and there is movmisalignM
 108         insn for mode, use it to load op0 into a temporary register.
 109
 110 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 111
 112         PR target/51957
 113         * target.def (const_not_ok_for_debug_p): New hook.
 114         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
 115         documentation.
 116         * doc/tm.texi: Regenerated.
 117         * dwarf2out.c (const_ok_for_output_1): If
 118         targetm.const_not_ok_for_debug_p returns true, fail.
 119         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
 120         function.
 121         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
 122
 123 2012-01-23  Kai Tietz  <ktietz@redhat.com>
 124
 125         PR target/51900
 126         * config/i386/predicates.md (symbolic_operand): Allow
 127         UNSPEC_PCREL as PIC expression for lea.
 128         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
 129         * config/i386/i386.c (ix86_delegitimize_address): Handle
 130         UNSPEC_PCREL for none-MEM, too.
 131
 132 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 133
 134         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
 135         (ipa_tm_create_version_alias): Same.
 136
 137 2012-01-18  Uros Bizjak  <ubizjak@gmail.com>
 138
 139         PR libitm/51830
 140         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
 141         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
 142
 143 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 144             Patrick Marlier  <patrick.marlier@gmail.com>
 145             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
 146
 147         PR lto/51916
 148         * lto-wrapper.c (run_gcc): Pass the LTO section name to
 149         simple_object_start_read.
 150
 151 2012-01-23  Richard Guenther  <rguenther@suse.de>
 152
 153
 154         PR tree-optimization/51895
 155         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
 156         parameter decomposition into BLKmode components.
 157
 158 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
 159
 160         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
 161         fake variables for restrict-qualified pointers whose pointed-to type
 162         contains a placeholder.
 163
 164 2012-01-23  Richard Guenther  <rguenther@suse.de>
 165
 166         PR tree-optimization/51949
 167         * ipa-split.c (execute_split_functions): Do not split malloc functions.
 168
 169 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
 170
 171         PR rtl-optimization/51933
 172         * ree.c (transform_ifelse): Return true right away if dstreg is
 173         already wider or equal to cand->mode.
 174         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
 175         (make_defs_and_copies_lists): Remove defs_list and copies_list
 176         arguments, add state argument, just truncate state->work_list
 177         instead of always allocating and freeing the vector.  Assert that
 178         get_defs succeeds instead of returning 2.  Changed return type to bool.
 179         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
 180         have ext_src_mode, see if it has been modified already with the
 181         right kind of extension and has been extended before from the
 182         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
 183         just return true.  Remember the original mode in state->modified array.
 184         (combine_reaching_defs): Add state argument.  Don't allocate and
 185         free here def_list, copied_list and vec vectors, instead just
 186         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
 187         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
 188         Add state variable, clear vectors in it, initialize state.modified
 189         if needed.  Free all the vectors at the end and state.modified too.
 190         Don't skip a candidate if the extension expression has been modified.
 191
 192 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
 193
 194         PR target/47096
 195         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
 196          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
 197         (extra_options) interix.opt -> i386/interix.opt"
 198         (extra_objs):Add winnt-stubs.o
 199         * configure.ac: Add interix to target_os .comm on PE check.
 200         * configure: Regenerate.
 201         * config/interix3.h: Delete and move bits to..
 202         * config/interix.h: Delete and move bits to..
 203         * config/i386/i386-interix3.h: Delete and move bits to..
 204         * config/i386/i386-interix.h: ..here.
 205         (TARGET_CPU_DEFAULT): Remove redefinition.
 206         (TARGET_ASM_CONSTRUCTOR): Undefine.
 207         (SUBTARGET_SWITCHES): Define for ms-bitfields.
 208         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
 209         (PTRDIFF_TYPE): Define.
 210         (LONG_DOUBLE_TYPE_SIZE): Define.
 211         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
 212         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
 213         (TARGET_SECTION_TYPE_FLAGS): Define.
 214         (ASM_DECLARE_FUNCTION_NAME): Define.
 215         (ASM_OUTPUT_EXTERNAL): Define.
 216         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
 217         (ASM_OUTPUT_ALIGNED_BSS): Define.
 218         (PCC_BITFIELD_TYPE_MATTERS): Define.
 219         (USE_CONST_SECTION): Define.
 220         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
 221         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
 222         (SUPPORTS_ONE_ONLY): Remove.
 223         (I386_PE_STRIP_ENCODING): Define.
 224         * config/interix.opt: Delete and move bits to..
 225         * config/i386/interix.opt: ..here. New.
 226         (mpe-aligned-commons): Add.
 227         * config/i386/t-interix: Add copyright header.
 228         (winnt-stubs.o): Add rule.
 229
 230 2012-01-22  Jason Merrill  <jason@redhat.com>
 231
 232         PR c++/51832
 233         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
 234         for extra name aliases.
 235
 236 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
 237
 238         PR rtl-optimization/51924
 239         * ree.c (combine_set_extension): Improve debugging message.
 240         (combine_reaching_defs): Likewise.
 241         (get_defs): Rename confusingly named variable.
 242         (find_and_remove_re): Skip a candidate if the extension expression has
 243         been modified.
 244
 245 2012-01-21  Robert Millan  <rmh@gnu.org>
 246             Gerald Pfeifer  <gerald@pfeifer.com>
 247
 248         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
 249         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
 250
 251 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 252
 253         PR tree-optimization/51914
 254         * tree-vect-stmts.c (vectorizable_conversion): For
 255         cvt_type && modifier == WIDEN, put temporary with cvt_type
 256         at the beginning of vec_dsts and set vec_dest to temporary
 257         with vectype_out.
 258
 259 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
 260
 261         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
 262
 263 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
 264
 265         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
 266         * config/rs6000/rs6000.c: Likewise.
 267
 268 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 269
 270         PR target/51915
 271         * config/arm/arm.c (arm_count_output_move_double_insns): Call
 272         output_move_double on a copy of operands array.
 273
 274 2012-01-20  Cary Coutant  <ccoutant@google.com>
 275             Dodji Seketeli  <dodji@redhat.com>
 276
 277         PR debug/45682
 278         * dwarf2out.c (copy_declaration_context): Return ref to parent
 279         of declaration DIE, if necessary.
 280         (remove_child_or_replace_with_skeleton): Add new parameter; update
 281         caller.  Place skeleton DIE under parent DIE of original declaration.
 282         Move call to copy_declaration_context to here ...
 283         (break_out_comdat_types): ... from here.
 284
 285 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 286
 287         PR rtl-optimization/51856
 288         * reload.c (find_reloads_subreg_address): Set the address_reloaded
 289         flag to reloaded.
 290
 291 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 292
 293         PR target/51819
 294         * config/arm/arm.c (arm_print_operand): Correct output of alignment
 295         hints for neon loads and stores.
 296
 297 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
 298
 299         PR target/49868
 300         PR target/50887
 301         * doc/extend.texi (Named Address Spaces): Split into subsections.
 302         (AVR Named Address Spaces): New subsection.
 303         (M32C Named Address Spaces): New subsection.
 304         (RL78 Named Address Spaces): New subsection.
 305         (SPU Named Address Spaces): New subsection.
 306         (Variable Attributes): New anchor "AVR Variable Attributes".
 307         (AVR Variable Attributes): Rewrite and avoid wording
 308         "address space" in this context.
 309         * doc/invoke.texi (AVR Options): Rewrite and add documentation
 310         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
 311         (AVR Built-in Macros): New subsubsection therein.
 312         * doc/md.texi (AVR constraints): Remove "C04", "R".
 313
 314 2012-01-20  Richard Guenther  <rguenther@suse.de>
 315
 316         PR tree-optimization/51903
 317         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
 318         when removing stmts.
 319
 320 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 321
 322         PR target/50313
 323         * config/arm/arm.c (arm_load_pic_register): Use
 324         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
 325         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
 326         (arm_pic_static_addr): Likewise.
 327         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
 328         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
 329         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
 330         (pic_load_addr_unified): New.
 331
 332 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
 333
 334         PR target/51106
 335         * function.c (instantiate_virtual_regs_in_insn): Use
 336         delete_insn_and_edges when removing a wrong asm insn.
 337
 338 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
 339
 340         PR rtl-optimization/40761
 341         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
 342         Add new member loop_num.
 343         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
 344         (ira_build): Remove the parameter.
 345
 346         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
 347         (ira.c): Do not build CFG loops for one region allocation.  Remove
 348         argument from ira_build call.
 349
 350         * ira-build.c (init_loop_tree_node): New function.
 351         (create_loop_tree_nodes): Use it.  Separate the case when CFG
 352         loops are not built.
 353         (more_one_region_p): Check current_loops.
 354         (finish_loop_tree_nodes): Separate the case when CFG loops are not
 355         built.
 356         (add_loop_to_tree): Process loop equal to NULL too.
 357         (form_loop_tree): Separate the case when CFG loops are not built.
 358         Use explicitly number for the root.
 359         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
 360         an assertion.
 361         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
 362         instead of loop->num.
 363         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
 364         (mark_all_loops_for_removal): Ditto.
 365         (remove_unnecessary_regions): Separate the case when CFG loops
 366         are not built.
 367         (ira_build): Remove the parameter.  Use explicit number of regions
 368         when CFG loops are not built.
 369
 370         * ira-color.c (print_loop_title): Separate the case for the root node.
 371         Use loop_num instead of loop->num.
 372         (move_spill_restore): Use loop_num instead of loop->num.
 373
 374         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
 375         (change_loop): Ditto.
 376         (change_loop): Use loop_num instead of loop->num.
 377
 378         * ira-lives.c (process_bb_node_lives): Ditto.
 379
 380         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
 381
 382         * ira-conflicts.c (print_allocno_conflicts): Ditto.
 383
 384 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 385
 386         PR libmudflap/40778
 387         * tree-mudflap.c (mf_artificial): New function.
 388         (execute_mudflap_function_ops, execute_mudflap_function_decls,
 389         mx_register_decls, mudflap_enqueue_decl): Use it.
 390
 391         PR target/51876
 392         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
 393         numbers in the insn pattern.
 394
 395 2012-01-19  Michael Matz  <matz@suse.de>
 396
 397         PR tree-optimization/46590
 398         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
 399         use it in remembering which conflicts we already created.
 400         (add_scope_conflicts): Adjust call to above, (de)allocate helper
 401         bitmap.
 402
 403 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
 404
 405         PR lto/51280
 406         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
 407         (merge_and_complain): Same.
 408
 409 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 410
 411         PR bootstrap/50237
 412         * config/initfini-array.h: Guard content of the header
 413         with #ifdef HAVE_INITFINI_ARRAY.
 414         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
 415         Add initfini-array.h to tm_file here.
 416         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
 417         * config.gcc: Don't add initfini-array.h to tm_file here.
 418         * configure: Regenerated.
 419
 420 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
 421
 422         PR rtl-optimization/51505
 423         * df-problems.c (df_kill_notes): New parameter live. Update comment.
 424         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
 425         (df_note_bb_compute): Update the call to df_kill_notes.
 426
 427 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
 428
 429         * trans-mem.c (requires_barrier): Remove call to is_global_var.
 430
 431 2012-01-18  Richard Guenther  <rguenther@suse.de>
 432
 433         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
 434         of conversions to void *.
 435
 436 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 437             Richard Sandiford  <rdsandiford@googlemail.com>
 438
 439         PR middle-end/50325
 440         PR middle-end/51192
 441         * optabs.h (simplify_expand_binop): Declare.
 442         * optabs.c (simplify_expand_binop): Make global.
 443         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
 444         endian targets if the source cannot be exactly covered by word
 445         mode chunks.
 446
 447 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 448
 449         PR bootstrap/51872
 450         * hard-reg-set.h (struct hard_reg_set_container): New type.
 451         * target.h (struct hard_reg_set_container): Forward declare.
 452         * target.def (set_up_by_prologue): New target hook.
 453         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
 454         * doc/tm.texi: Regenerated.
 455         * function.c (thread_prologue_and_epilogue_insns): Change
 456         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
 457         Call targetm.set_up_by_prologue on it.
 458         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
 459         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
 460
 461 2012-01-17  Nick Clifton  <nickc@redhat.com>
 462
 463         * config/rx/rx.c (rx_can_use_simple_return): New function.
 464         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
 465         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
 466
 467 2012-01-17  Richard Guenther  <rguenther@suse.de>
 468
 469         PR middle-end/51782
 470         * expr.c (expand_assignment): Take address-space information
 471         from the address operand of MEM_REF and TARGET_MEM_REF.
 472         (expand_expr_real_1): Likewise.
 473
 474 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 475
 476         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
 477         reload dump is requested.
 478
 479 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
 480
 481         PR other/51165
 482         * trans-mem.c (requires_barrier): Call may_be_aliased.
 483
 484 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 485
 486         PR tree-optimization/51877
 487         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
 488         call arguments and fndecls compare equal, instead return false if they
 489         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
 490         both SSA_NAMEs that are valueized the same, or they satisfy
 491         operand_equal_p.
 492
 493 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 494
 495         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
 496         Solaris 11+.
 497         * configure: Regenerate.
 498
 499 2012-01-16  Jan Hubicka  <jh@suse.cz>
 500
 501         PR c/12245
 502         PR c++/14179
 503         * convert.c (convert_to_integer): Use fold_convert for
 504         converting an INTEGER_CST to integer type.
 505
 506 2012-01-16  Jason Merrill  <jason@redhat.com>
 507
 508         PR c++/14179
 509         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
 510
 511 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
 512
 513         PR bootstrap/51860
 514         * config/s390/s390.c (s390_chunkify_start): Don't skip
 515         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
 516         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
 517         If insn is followed by NOTE_INSN_VAR_LOCATION or
 518         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
 519         Don't use location of note insns.
 520
 521         PR tree-optimization/51865
 522         * tree-inline.c (tree_function_versioning): Call remap_decl
 523         on DECL_RESULT whenever it has VOID_TYPE_P type.
 524
 525 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
 526
 527         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
 528         for calls to locally-binding MIPS16 functions if only the return
 529         type uses float regs.
 530
 531 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
 532             Richard Sandiford  <rdsandiford@googlemail.com>
 533
 534         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
 535         (SYMBOL_32_HIGH): Likewise.
 536         (mips_output_tls_reloc_directive): Declare.
 537         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
 538         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
 539         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
 540         (mips_lo_relocs, mips_hi_relocs): Make extern.
 541         (mips16_stub_function): Move up file.
 542         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
 543         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
 544         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
 545         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
 546         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
 547         (mips_get_tp): Add MIPS16 support.
 548         (mips_legitimize_tls_address): Remove MIPS16 sorry().
 549         Generalize DTPREL and TPREL handling.
 550         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
 551         Add MIPS16 TLS support.
 552         (mips_output_tls_reloc_directive): New function.
 553         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
 554         * config/mips/predicates.md (symbolic_operand_with_high)
 555         (tls_reloc_operand): New predicates.
 556         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
 557         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
 558         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
 559         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
 560         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
 561         (*tls_get_tp_mips16_call_<mode>): Likewise.
 562
 563 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
 564
 565         PR rtl-optimization/51821
 566         * recog.c (peep2_find_free_register): Determine clobbered registers
 567         from insn pattern.
 568
 569 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
 570
 571         PR target/50925
 572         * config/avr/avr-protos.h: Revert change of 2012-01-09.
 573         * config/avr/avr.c: Likewise.
 574         * config/avr/avr.h: Likewise.
 575
 576 2012-01-13  Ian Lance Taylor  <iant@google.com>
 577
 578         PR c++/50012
 579         * tree.h (TYPE_QUALS): Add cast to int.
 580         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
 581
 582 2012-01-13  Ian Lance Taylor  <iant@google.com>
 583
 584         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
 585         comparing param_index to VEC_length result.
 586
 587 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
 588
 589         * c-decl.c: Do not include tree-mudflap.h
 590         * tree-optimize.c: Likewise.
 591         * Makefile.in: Update dependencies.
 592
 593 2012-01-13  Richard Guenther  <rguenther@suse.de>
 594
 595         PR middle-end/8081
 596         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
 597         variable-sized result always use RSO.
 598
 599 2012-01-12  DJ Delorie  <dj@redhat.com>
 600
 601         * cfgexpand.c (convert_debug_memory_address): Allow any valid
 602         pointer type, not just the default pointer type.
 603
 604 2012-01-09  Richard Henderson  <rth@redhat.com>
 605             Denis Chertykov  <chertykov@gmail.com>
 606
 607         PR target/50925
 608         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
 609         * config/avr/avr.c (avr_can_eliminate): Simplify.
 610         (avr_initial_elimination_offset): Likewise.
 611         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
 612         (expand_epilogue): Likewise.
 613         (avr_legitimize_address): Gut.
 614         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
 615         (avr_hard_regno_nregs): New.
 616         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
 617         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
 618         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
 619         add soft frame pointer.
 620         (CALL_USED_REGISTERS): Likewise.
 621         (REG_CLASS_CONTENTS): Likewise.
 622         (REGISTER_NAMES): Likewise.
 623         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
 624         (HARD_FRAME_POINTER_REGNUM): New.
 625         (FRAME_POINTER_REGNUM): Use soft frame pointer.
 626         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
 627         remove the HARD_FRAME_POINTER self-elimination.
 628
 629 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
 630
 631         PR target/51756
 632         * config/avr/avr.c (avr_encode_section_info): Test for absence of
 633         DECL_EXTERNAL when checking for initializers of progmem variables.
 634
 635 2012-01-12  Ira Rosen  <irar@il.ibm.com>
 636
 637         PR tree-optimization/51799
 638         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
 639         that the last operation is a type demotion.
 640
 641 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
 642
 643         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
 644         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
 645
 646 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
 647
 648         PR bootstrap/51796
 649         * combine.c (distribute_notes): If i3 is a noreturn call,
 650         allow old_size to be equal to args_size and make sure the
 651         noreturn call gets REG_ARGS_SIZE note.
 652         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
 653         on noreturn calls even when the delta is 0.
 654
 655 2012-01-11  Nathan Sidwell  <nathan@acm.org>
 656
 657         * gcov.c (STRING_SIZE): Remove.
 658         (generate_results): Erase annotations for source files with no
 659         coverage information.
 660         (read_line): New.
 661         (output_lines): Use it.
 662
 663 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 664
 665         * gimple.h (gimplify_body): Remove first argument.
 666         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
 667         pointer set here, instead just pass DATA to walk_tree.
 668         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
 669         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
 670         (unvisit_body): Likewise, but with unmark_visited.
 671         (gimplify_body): Remove BODY_P argument and adjust.
 672         (gimplify_function_tree): Adjust call to gimplify_body.
 673         * omp-low.c (finalize_task_copyfn): Likewise.
 674
 675 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 676
 677         * tree.h (build_function_decl_skip_args): Add boolean parameter.
 678         (build_function_type_skip_args): Delete.
 679         * tree.c (build_function_type_skip_args): Make static and add
 680         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
 681         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
 682         pass it to build_function_type_skip_args.
 683         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
 684         (tree_function_versioning): Likewise.
 685         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
 686         build_function_decl_skip_args.
 687         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
 688         and pass it to build_function_decl_skip_args/tree_function_versioning.
 689         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
 690         * ipa-inline-transform.c (save_inline_function_body): Likewise.
 691         * trans-mem.c (ipa_tm_create_version): Likewise.
 692         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
 693         * tree-inline.c (declare_return_variable): Remove always-true test.
 694         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
 695         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
 696         * ipa-split.c (split_function): Skip the return value for the split
 697         part if it doesn't return.
 698
 699 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 700
 701         PR tree-optimization/49642
 702         * ipa-split.c (forbidden_dominators): New variable.
 703         (check_forbidden_calls): New function.
 704         (dominated_by_forbidden): Likewise.
 705         (consider_split): Check for forbidden dominators.
 706         (execute_split_functions): Initialize and free forbidden
 707         dominators info; call check_forbidden_calls.
 708
 709 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 710
 711         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
 712
 713 2012-01-11  Nick Clifton  <nickc@redhat.com>
 714
 715         * config/rx/rx.md (return): Define pattern.
 716
 717 2012-01-11  Richard Guenther  <rguenther@suse.de>
 718
 719         * doc/extend.texi (malloc attribute): Adjust according to
 720         implementation.
 721
 722 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
 723             Patrick Marlier  <patrick.marlier@gmail.com>
 724
 725         PR middle-end/51516
 726         * trans-mem.c (get_cg_data): Traverse aliases if requested.
 727         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
 728         (ipa_tm_note_irrevocable): Same.
 729         (ipa_tm_scan_irr_block): Same.
 730         (ipa_tm_decrement_clone_counts): Same.
 731         (ipa_tm_scan_irr_function): Same.
 732         (ipa_tm_create_version_alias): Same.
 733         (ipa_tm_create_version): Same.
 734         (ipa_tm_transform_calls_redirect): Same.
 735         (ipa_tm_transform_calls): Same.
 736         (ipa_tm_transform_transaction): Same.
 737         (ipa_tm_execute): Same.
 738
 739 2012-01-10  Richard Guenther  <rguenther@suse.de>
 740
 741         PR middle-end/51806
 742         * opts.c (common_handle_option): Handle -Werror.
 743
 744 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
 745
 746         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
 747         operand number.
 748
 749 2012-01-10  Jason Merrill  <jason@redhat.com>
 750
 751         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
 752         information.
 753
 754 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 755
 756         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
 757         supports R_386_TLS_GD_PLT reloc.
 758         (gcc_cv_as_ix86_tlsldmplt): Check if linker
 759         supports R_386_TLS_LDM_PLT reloc.
 760         * configure: Regenerate.
 761         * config.in: Regenerate.
 762
 763 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
 764
 765         PR target/49868
 766         Extend __pgmx semantics to linearize memory.
 767         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
 768         determine if code comes inline or from libgcc.
 769         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
 770         (movmem_qi, movmem_qi): Set constraint #2 to "n".
 771         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
 772         (movmemx_qi, movmemx_hi): New insns.
 773         (xload_<mode>_libgcc): Rewrite to new insn condition.
 774         (xload_<mode>): Remove insns.
 775         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
 776         cases that don't satisfy avr_xload_libgcc_p().
 777         (avr_addr_space_convert): Allow converting in any direction.
 778         (avr_addr_space_subset_p): Return always true.
 779         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
 780         (avr_emit_movmemhi): Ditto.
 781         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
 782         (avr_out_movmem): Ditto.
 783         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
 784         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
 785         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
 786         (avr_encode_section_info): Encode 'progmem' in symbol flags.
 787         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
 788
 789 2012-01-10  Richard Guenther  <rguenther@suse.de>
 790
 791         PR tree-optimization/50913
 792         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
 793         Require data-refs to be representable by Graphite with respect
 794         to any loop nest.
 795
 796 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
 797
 798         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
 799         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
 800
 801 2012-01-10  Tom de Vries  <tom@codesourcery.com>
 802
 803         PR rtl-optimization/51271
 804         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
 805         handling annulled branch.
 806
 807 2012-01-10  Richard Henderson  <rth@redhat.com>
 808
 809         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
 810         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
 811         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
 812         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
 813         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
 814         arm_expand_vec_perm_const): New.
 815         * config/arm/arm-protos.h: Update.
 816         * config/arm/neon.md (UNSPEC_VCONCAT): New.
 817         (*neon_vswp<VDQX>): New.
 818         (neon_vcombine<VDX>): Use neon_split_vcombine.
 819         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
 820         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
 821         (vec_perm<VE>): New.
 822
 823 2012-01-10  Richard Henderson  <rth@redhat.com>
 824
 825         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
 826         use it if reload_completed.
 827         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
 828         arm_output_asm_insn, arm_process_output_memory_barrier,
 829         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
 830         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
 831         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
 832         arm_process_output_sync_insn, arm_output_sync_insn,
 833         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
 834         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
 835         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
 836         (emit_unlikely_jump): New.
 837         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
 838         (arm_split_atomic_op): New.
 839         * config/arm/arm-protos.h: Update.
 840         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
 841         (struct arm_sync_generator): Remove.
 842         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
 843         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
 844         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
 845         (VUNSPEC_LL, VUNSPEC_SC): New.
 846         (sync_result, sync_memory, sync_required_value, sync_new_value,
 847         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
 848         (attr length): Don't use arm_sync_loop_insns.
 849         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
 850         (movsfcc, movdfcc): Likewise.
 851         * config/arm/constraints.md (Ua): New.
 852         * config/arm/prediates.md (mem_noofs_operand): New.
 853         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
 854         (sync_clobber, sync_t2_reqd): Remove.
 855         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
 856         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
 857         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
 858         (arm_sync_compare_and_swap<SIDI>): Remove.
 859         (arm_sync_compare_and_swap<NARROW>): Remove.
 860         (arm_sync_lock_test_and_set<SIDI>): Remove.
 861         (arm_sync_lock_test_and_set<NARROW>): Remove.
 862         (arm_sync_new_<syncop><SIDI>): Remove.
 863         (arm_sync_new_<syncop><NARROW>): Remove.
 864         (arm_sync_new_nand<SIDI>): Remove.
 865         (arm_sync_new_nand<NARROW>): Remove.
 866         (arm_sync_old_<syncop><SIDI>): Remove.
 867         (arm_sync_old_<syncop><NARROW>): Remove.
 868         (arm_sync_old_nand<SIDI>): Remove.
 869         (arm_sync_old_nand<NARROW>): Remove.
 870         (*memory_barrier): Merge arm_output_memory_barrier.
 871         (atomic_compare_and_swap<QHSD>): New.
 872         (atomic_compare_and_swap<NARROW>_1): New.
 873         (atomic_compare_and_swap<SIDI>_1): New.
 874         (atomic_exchange<QHSD>): New.
 875         (cas_cmp_operand, cas_cmp_str): New.
 876         (atomic_op_operand, atomic_op_str): New.
 877         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
 878         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
 879         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
 880         (arm_load_exclusive<NARROW>): New.
 881         (arm_load_exclusivesi, arm_load_exclusivedi): New.
 882         (arm_store_exclusive<QHSD>): New.
 883
 884 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
 885
 886         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
 887         reload patterns if -mvsx-scalar-memory.
 888
 889         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
 890         generated, even -mno-vsx-scalar-double was used.
 891         (vsx_xscvdpsp_scalar): Likewise.
 892         (vsx_xscvspdp_scalar2): Likewise.
 893
 894 2012-01-09  Tom de Vries  <tom@codesourcery.com>
 895             Andrew Pinski  <apinski@cavium.com>
 896
 897         PR debug/51471
 898         * reorg.c (fill_slots_from_thread): Don't speculate
 899         frame-related insns.
 900
 901 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
 902
 903         * sched-int.h (bb_note): Move to...
 904         * basic-block.h: ...here.
 905         * haifa-sched.c (bb_note): Move to...
 906         * cfgrtl.c: ...here.
 907         * function.c (next_block_for_reg): New function.
 908         (move_insn_for_shrink_wrap): Likewise.
 909         (prepare_shrink_wrap): Rewrite to use the above.
 910
 911 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
 912
 913         * gimple.c (is_gimple_non_addressable): Remove.
 914         * gimple.h: Remove is_gimple_non_addressable.
 915         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
 916         is_gimple_non_addressable.
 917         * trans-mem.c (expand_assign_tm): Same.
 918
 919 2012-01-09  Richard Guenther  <rguenther@suse.de>
 920
 921         PR tree-optimization/51775
 922         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
 923         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
 924
 925 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 926
 927         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
 928         tuning parameters.
 929         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
 930
 931 2012-01-09  Richard Guenther  <rguenther@suse.de>
 932
 933         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
 934
 935 2012-01-08  Jan Hubicka  <jh@suse.cz>
 936
 937         PR tree-optimize/51680
 938         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
 939         on when known_vals needs to be computed; cleanup.
 940
 941 2012-01-08  Jan Hubicka  <jh@suse.cz>
 942
 943         PR tree-optimize/51694
 944         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
 945
 946 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
 947
 948         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
 949         for -std=c++98 and -std=c++11 too.
 950
 951 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
 952
 953         * cfgloop.c (cancel_loop): Add free() of bbs array.
 954
 955 2012-01-07  Jan Hubicka  <jh@suse.cz>
 956
 957         PR tree-optimization/51600
 958         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
 959         that benefits small functions.
 960
 961 2012-01-07  Jan Hubicka  <jh@suse.cz>
 962
 963         * ipa-inline.c (want_inline_small_function_p): Fix formating.
 964
 965 2012-01-07  Jan Hubicka  <jh@suse.cz>
 966
 967         PR tree-optimization/51680
 968         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
 969         whose inlining reduce unit size.
 970
 971 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
 972
 973         PR bootstrap/51725
 974         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
 975         Add canonical node to containing_mem chain after the non-canonical
 976         one, even if there weren't any locs to propagate.
 977         (remove_useless_values): Keep only canonical values.
 978         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
 979         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
 980         canonicalize mem_chain elements that are not discarded.
 981
 982 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
 983
 984         PR target/47333
 985         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
 986         before emitting functions.
 987
 988         PR gcov-profile/50127
 989         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
 990         clear_aux_for_blocks.
 991
 992 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
 993
 994         PR debug/51746
 995         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
 996
 997 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
 998
 999         * c-decl.c (ext_block): Moved up.
1000         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1001
1002 2012-01-06  Han Shen  <shenhan@google.com>
1003
1004         Translate built-in include paths for sysroot.
1005         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1006         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1007
1008         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1009         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1010
1011         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1012         control whether sysroot should be prepended to gxx include dir.
1013
1014         * configure: Regenerate.
1015
1016 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1017
1018         PR rtl-optimization/51771
1019         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1020         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1021
1022 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1023
1024         PR tree-optimization/51315
1025         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1026         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1027
1028 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1029
1030         PR target/51681
1031         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1032         for shrp pattern.  Correctly handle and fixup shift variable.
1033         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1034
1035 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1036
1037         PR debug/51762
1038         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1039         note when !ACCUMULATE_OUTGOING_ARGS.
1040
1041 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1042
1043         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1044         condition.
1045         (extract_range_from_unary_expr_1): Avoid useless computations.
1046
1047 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1048
1049         PR rtl-optimization/51767
1050         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1051         of jump_block and add an extra edge for degenerated asm gotos.
1052
1053         PR middle-end/51768
1054         * stmt.c (check_unique_operand_names): Don't ICE during error
1055         reporting if i is from labels chain.
1056
1057         PR middle-end/44777
1058         * profile.c (branch_prob): Split bbs that have exit edge
1059         and need a fake entry edge too.
1060
1061 2012-01-05  Jan Hubicka  <jh@suse.cz>
1062
1063         PR middle-end/49710
1064         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1065         unlooping loops.
1066
1067 2012-01-05  Richard Guenther  <rguenther@suse.de>
1068
1069         PR lto/50490
1070         * tree-streamer-out.c (write_ts_optimization): New function.
1071         (streamer_write_tree_body): Call it.
1072         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1073         (streamer_read_tree_body): Call it.
1074         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1075
1076 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1077
1078         PR middle-end/51761
1079         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1080         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1081         in_cleanup_point_expr before gimplify_stmt call and restore it
1082         afterwards.
1083         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1084         in_cleanup_point_expr is false.
1085
1086 2012-01-05  Richard Guenther  <rguenther@suse.de>
1087
1088         PR middle-end/51764
1089         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1090         to c.opt.
1091         * toplev.c (process_options): Reject combining mudflap and LTO.
1092         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1093
1094 2012-01-05  Richard Guenther  <rguenther@suse.de>
1095
1096         PR tree-optimization/51760
1097         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1098         not VARYING.
1099         (bit_value_unop): Handle UNDEFINED operands.
1100         (bit_value_binop): Likewise.
1101
1102 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1103
1104         * config/avr/avr.c (avr_replace_prefix): Remove.
1105         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1106         (avr_asm_function_rodata_section): Ditto.
1107         (avr_asm_select_section): Ditto.
1108
1109 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1110
1111         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1112         insertion.
1113
1114 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1115
1116         PR bootstrap/51648
1117         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1118         calls that have any non-fake successor edges.
1119
1120         PR debug/51746
1121         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1122
1123 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1124
1125         PR tree-optimization/51624
1126         * tree-sra.c (build_ref_for_model): When replicating a chain of
1127         COMPONENT_REFs, stop as soon as the offset would become negative.
1128
1129 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1130
1131         PR debug/51695
1132         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1133         in .debug_loc on the floor.
1134
1135 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1136
1137         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1138
1139 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1140             Adam Nemet  <anemet@caviumnetworks.com>
1141
1142         * config/mips/mips.md (size): Add SI and DI.
1143         (SIZE): New mode attribute.
1144         (U): New code attribute.
1145         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1146         (mips_lbux_<mode>): Delete.
1147         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1148         (mips_lhx): Use gen_mips_lhx_extsi.
1149         (mips_lhx_<mode>): Delete.
1150         (mips_lwx): Delete.
1151         (mips_l<size>x): New expand.
1152         (mips_lwx_<mode>): Delete.
1153         (mips_l<GPR:size>x_<P:mode>): New pattern.
1154         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1155         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1156         * config/mips/mips.c (mips_lx_address_p): New function.
1157         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1158         (dsp64): New availability predicate.
1159         (mips_builtins): Add an entry for __builtin_mips_ldx.
1160         * config/mips/mips.h (ISA_HAS_LBX): New define.
1161         (ISA_HAS_LBUX): Likewise.
1162         (ISA_HAS_LHX): Likewise.
1163         (ISA_HAS_LHUX): Likewise.
1164         (ISA_HAS_LWX): Likewise.
1165         (ISA_HAS_LWUX): Likewise.
1166         (ISA_HAS_LDX): Likewise.
1167         * doc/extend.texi (__builtin_mips_ldx): Document.
1168
1169 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1170
1171         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1172         when long pointers are used.
1173         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1174         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1175         (ia64-hp-*vms*): Remove.
1176         * config/vms/xm-vms64.h: Delete.
1177
1178 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1179
1180         PR middle-end/51472
1181         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1182
1183 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1184
1185         * opts.c (finish_options): Remove duplicate sorry.
1186
1187 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1188
1189         PR middle-end/51696
1190         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1191         correctly.
1192
1193 2012-01-04  Richard Guenther  <rguenther@suse.de>
1194
1195         PR middle-end/51750
1196         * tree.c (size_low_cst): New function.
1197         * tree.h (size_low_cst): Declare.
1198         * fold-const.c (fold_comparison): Use it to extract the low
1199         part of the POINTER_PLUS_EXPR offset.
1200
1201 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1202
1203         Fix clearing ZERO_REG
1204         * config/avr/avr.md (cc): Add alternative "ldi".
1205         (movqi_insn): Use it in cc attribute.
1206         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1207         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1208         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1209
1210 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1211
1212         * configure: Regenerate.
1213
1214 2012-01-04  Richard Guenther  <rguenther@suse.de>
1215
1216         PR tree-optimization/49651
1217         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1218         (var_can_have_subvars): Use it.
1219         (get_constraint_for_1): Only consider subfields if there can be any.
1220
1221 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1222
1223         PR bootstrap/51725
1224         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1225         to its new canonical_cselib_val and the cselib_val was in
1226         first_containing_mem chain, but the canonical_cselib_val was not,
1227         add the latter into the chain.
1228         (cselib_invalidate_mem): Compare canonical_cselib_val of
1229         addr_list chain elt with v.
1230
1231         PR pch/51722
1232         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1233         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1234         of xstrdup.
1235         (output_macinfo_op): Don't ggc_strdup fd->filename.
1236         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1237         then ggc_strdup it.  Don't free inc->info or cur->info.
1238         (output_macinfo): Don't free ref->info or file->info.
1239
1240 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1241
1242         PR tree-optimization/51269
1243         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1244         first_niters a pointer.
1245         (slpeel_tree_peel_loop_to_edge): Likewise.
1246         (vect_do_peeling_for_loop_bound): Update call to
1247         slpeel_tree_peel_loop_to_edge.
1248         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1249         here.  Remove it from the parameters list.
1250         (vect_do_peeling_for_alignment): Update calls and compute
1251         wide_prolog_niters.
1252
1253 2012-01-03  Richard Guenther  <rguenther@suse.de>
1254
1255         PR tree-optimization/51070
1256         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1257         Properly handle calls.
1258
1259 2012-01-03  Richard Guenther  <rguenther@suse.de>
1260
1261         PR tree-optimization/51692
1262         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1263         the LHS of allocation stmts.
1264
1265 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1266
1267         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1268
1269 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1270
1271         * collect2.c (main): In AIX specific computations for vector
1272         insertions, use CONST_CAST2 to cast from char ** to const char **.
1273
1274 2012-01-03  Richard Guenther  <rguenther@suse.de>
1275
1276         PR debug/51650
1277         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1278         the context of a limbo DIE when it does not already exist.
1279
1280 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1281
1282         PR tree-optimization/51719
1283         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1284         but direct call is, clear direct call's lhs and don't add fallthrough
1285         edge from dcall_bb to join_bb and PHIs.
1286
1287 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1288
1289         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1290         the instructions emitted by the pattern.
1291         ("*TDC_insn_<mode>"): Add comment.
1292
1293 2012-01-03  Richard Guenther  <rguenther@suse.de>
1294
1295         PR middle-end/51730
1296         * fold-const.c (fold_comparison): Properly canonicalize
1297         tree offset and HOST_WIDE_INT bit position.
1298
1299 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1300
1301         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1302         operands for extzv pattern.
1303
1304 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1305
1306         PR bootstrap/51725
1307         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1308         on mem_elt first.
1309
1310 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1311
1312         * doc/invoke.texi (-flto and related options): Copy-edit.
1313
1314 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1315
1316         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1317
1318 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1319
1320         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1321         New patterns.
1322
1323 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1324
1325         * expr.h (move_by_pieces_ninsns): Declare.
1326         * expr.c (move_by_pieces_ninsns): Make external.
1327         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1328         (mips_store_by_pieces_p): Likewise.
1329         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1330         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1331         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1332         (mips_store_by_pieces_p): Likewise.
1333
1334 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1335
1336         * passes.c (register_one_dump_file): Free full_name.
1337
1338         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1339         (calculate_elim_costs_all_insns): Free offsets_at and
1340         offsets_known_at at the end and clear the pointers.
1341
1342 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1343
1344         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1345         this option introduced in r180739.
1346
1347 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1348
1349         PR target/51345
1350         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1351         (tmake_file target=avr): Add avr/t-multilib.
1352
1353         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1354         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1355         * config/avr/genmultilib.awk: New file.
1356         * config/avr/t-multilib: New auto-generated file.
1357         * config/avr/multilib.h: New auto-generated file.
1358         * config/avr/t-avr (AVR_MCUS): New variable.
1359         (genopt.sh): Use it.
1360         (s-mlib): Depend on t-multilib.
1361         (t-multilib, multilib.h): New dependencies.
1362         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1363         (MULTILIB_OPTIONS): Remove.
1364         (MULTILIB_MATCHES): Remove.
1365         (MULTILIB_DIRNAMES): Remove.
1366         (MULTILIB_EXCEPTIONS): Remove:
1367         * config/avr/genopt.sh: Don't use hard coded file name;
1368         pass AVR_MCUS from t-avr instead.
1369
1370 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1371
1372         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1373
1374 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1375
1376         Implement light-weight DImode support.
1377         * config/avr/avr-dimode.md: New file.
1378         * config/avr/avr.md: Include it.
1379         (adjust_len): Add plus64, compare64.
1380         (HIDI): Remove code iterator.
1381         (code_stdname): New code attribute.
1382         (rotx, rotsmode): Remove DI.
1383         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1384         as code iterator.
1385         * config/avr/avr-protos.h (avr_have_dimode): New.
1386         (avr_out_plus64, avr_out_compare64): New.
1387         * config/avr/avr.c (avr_out_compare): Handle DImode.
1388         (avr_have_dimode): New variable definition and initialization.
1389         (avr_out_compare64, avr_out_plus64): New functions.
1390         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1391         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1392         (avr_compare_pattern): Skip DImode comparisons.
1393
1394 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1395
1396         * ddg.c (def_has_ccmode_p): New function.
1397         (add_cross_iteration_register_deps,
1398         create_ddg_dep_from_intra_loop_link): Call it.
1399
1400 2012-01-02  Richard Guenther  <rguenther@suse.de>
1401
1402         PR other/51679
1403         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1404
1405 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1406
1407         * gcc.c (process_command): Update copyright notice dates.
1408         * gcov.c (print_version): Likewise.
1409         * gcov-dump.c (print_version): Likewise.
1410         * mips-tfile.c (main): Likewise.
1411         * mips-tdump.c (main): Likewise.
1412
1413 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1414
1415         PR tree-optimization/51704
1416         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1417         a use is inside the basic block or loop before accessing its vect info.
1418
1419 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1420
1421         PR rtl-optimization/51069
1422         * cfgloopmanip.c (remove_path): Removing path making irreducible
1423         region unconditional makes BB part of the region.
1424
1425 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1426
1427         PR tree-optimization/51683
1428         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1429         calls with side-effects.
1430         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1431 \f
1432 Copyright (C) 2012 Free Software Foundation, Inc.
1433
1434 Copying and distribution of this file, with or without modification,
1435 are permitted in any medium without royalty provided the copyright
1436 notice and this notice are preserved.