gcc/ChangeLog

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