gcc/ChangeLog

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