gcc/ChangeLog

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