gcc/ChangeLog

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