gcc/ChangeLog

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