gcc/ChangeLog

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