gcc/ChangeLog

   1 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
   2
   3         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
   4         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
   5
   6 2012-01-10  Tom de Vries  <tom@codesourcery.com>
   7
   8         PR rtl-optimization/51271
   9         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
  10         handling annulled branch.
  11
  12 2012-01-10  Richard Henderson  <rth@redhat.com>
  13
  14         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
  15         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
  16         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
  17         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
  18         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
  19         arm_expand_vec_perm_const): New.
  20         * config/arm/arm-protos.h: Update.
  21         * config/arm/neon.md (UNSPEC_VCONCAT): New.
  22         (*neon_vswp<VDQX>): New.
  23         (neon_vcombine<VDX>): Use neon_split_vcombine.
  24         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
  25         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
  26         (vec_perm<VE>): New.
  27
  28 2012-01-10  Richard Henderson  <rth@redhat.com>
  29
  30         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
  31         use it if reload_completed.
  32         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
  33         arm_output_asm_insn, arm_process_output_memory_barrier,
  34         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
  35         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
  36         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
  37         arm_process_output_sync_insn, arm_output_sync_insn,
  38         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
  39         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
  40         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
  41         (emit_unlikely_jump): New.
  42         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
  43         (arm_split_atomic_op): New.
  44         * config/arm/arm-protos.h: Update.
  45         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
  46         (struct arm_sync_generator): Remove.
  47         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
  48         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
  49         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
  50         (VUNSPEC_LL, VUNSPEC_SC): New.
  51         (sync_result, sync_memory, sync_required_value, sync_new_value,
  52         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
  53         (attr length): Don't use arm_sync_loop_insns.
  54         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
  55         (movsfcc, movdfcc): Likewise.
  56         * config/arm/constraints.md (Ua): New.
  57         * config/arm/prediates.md (mem_noofs_operand): New.
  58         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
  59         (sync_clobber, sync_t2_reqd): Remove.
  60         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
  61         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
  62         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
  63         (arm_sync_compare_and_swap<SIDI>): Remove.
  64         (arm_sync_compare_and_swap<NARROW>): Remove.
  65         (arm_sync_lock_test_and_set<SIDI>): Remove.
  66         (arm_sync_lock_test_and_set<NARROW>): Remove.
  67         (arm_sync_new_<syncop><SIDI>): Remove.
  68         (arm_sync_new_<syncop><NARROW>): Remove.
  69         (arm_sync_new_nand<SIDI>): Remove.
  70         (arm_sync_new_nand<NARROW>): Remove.
  71         (arm_sync_old_<syncop><SIDI>): Remove.
  72         (arm_sync_old_<syncop><NARROW>): Remove.
  73         (arm_sync_old_nand<SIDI>): Remove.
  74         (arm_sync_old_nand<NARROW>): Remove.
  75         (*memory_barrier): Merge arm_output_memory_barrier.
  76         (atomic_compare_and_swap<QHSD>): New.
  77         (atomic_compare_and_swap<NARROW>_1): New.
  78         (atomic_compare_and_swap<SIDI>_1): New.
  79         (atomic_exchange<QHSD>): New.
  80         (cas_cmp_operand, cas_cmp_str): New.
  81         (atomic_op_operand, atomic_op_str): New.
  82         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
  83         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
  84         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
  85         (arm_load_exclusive<NARROW>): New.
  86         (arm_load_exclusivesi, arm_load_exclusivedi): New.
  87         (arm_store_exclusive<QHSD>): New.
  88
  89 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
  90
  91         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
  92         reload patterns if -mvsx-scalar-memory.
  93
  94         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
  95         generated, even -mno-vsx-scalar-double was used.
  96         (vsx_xscvdpsp_scalar): Likewise.
  97         (vsx_xscvspdp_scalar2): Likewise.
  98
  99 2012-01-09  Tom de Vries  <tom@codesourcery.com>
 100             Andrew Pinski  <apinski@cavium.com>
 101
 102         PR debug/51471
 103         * reorg.c (fill_slots_from_thread): Don't speculate
 104         frame-related insns.
 105
 106 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
 107
 108         * sched-int.h (bb_note): Move to...
 109         * basic-block.h: ...here.
 110         * haifa-sched.c (bb_note): Move to...
 111         * cfgrtl.c: ...here.
 112         * function.c (next_block_for_reg): New function.
 113         (move_insn_for_shrink_wrap): Likewise.
 114         (prepare_shrink_wrap): Rewrite to use the above.
 115
 116 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
 117
 118         * gimple.c (is_gimple_non_addressable): Remove.
 119         * gimple.h: Remove is_gimple_non_addressable.
 120         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
 121         is_gimple_non_addressable.
 122         * trans-mem.c (expand_assign_tm): Same.
 123
 124 2012-01-09  Richard Guenther  <rguenther@suse.de>
 125
 126         PR tree-optimization/51775
 127         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
 128         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
 129
 130 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 131
 132         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
 133         tuning parameters.
 134         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
 135
 136 2012-01-09  Richard Guenther  <rguenther@suse.de>
 137
 138         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
 139
 140 2012-01-08  Jan Hubicka  <jh@suse.cz>
 141
 142         PR tree-optimize/51680
 143         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
 144         on when known_vals needs to be computed; cleanup.
 145
 146 2012-01-08  Jan Hubicka  <jh@suse.cz>
 147
 148         PR tree-optimize/51694
 149         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
 150
 151 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
 152
 153         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
 154         for -std=c++98 and -std=c++11 too.
 155
 156 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
 157
 158         * cfgloop.c (cancel_loop): Add free() of bbs array.
 159
 160 2012-01-07  Jan Hubicka  <jh@suse.cz>
 161
 162         PR tree-optimization/51600
 163         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
 164         that benefits small functions.
 165
 166 2012-01-07  Jan Hubicka  <jh@suse.cz>
 167
 168         * ipa-inline.c (want_inline_small_function_p): Fix formating.
 169
 170 2012-01-07  Jan Hubicka  <jh@suse.cz>
 171
 172         PR tree-optimization/51680
 173         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
 174         whose inlining reduce unit size.
 175
 176 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
 177
 178         PR bootstrap/51725
 179         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
 180         Add canonical node to containing_mem chain after the non-canonical
 181         one, even if there weren't any locs to propagate.
 182         (remove_useless_values): Keep only canonical values.
 183         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
 184         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
 185         canonicalize mem_chain elements that are not discarded.
 186
 187 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
 188
 189         PR target/47333
 190         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
 191         before emitting functions.
 192
 193         PR gcov-profile/50127
 194         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
 195         clear_aux_for_blocks.
 196
 197 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
 198
 199         PR debug/51746
 200         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
 201
 202 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
 203
 204         * c-decl.c (ext_block): Moved up.
 205         (collect_all_refs, for_each_global_decl): Take ext_block into account.
 206
 207 2012-01-06  Han Shen  <shenhan@google.com>
 208
 209         Translate built-in include paths for sysroot.
 210         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
 211         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
 212
 213         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
 214         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
 215
 216         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
 217         control whether sysroot should be prepended to gxx include dir.
 218
 219         * configure: Regenerate.
 220
 221 2012-01-06  Torvald Riegel  <triegel@redhat.com>
 222
 223         PR rtl-optimization/51771
 224         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
 225         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
 226
 227 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
 228
 229         PR tree-optimization/51315
 230         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
 231         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
 232
 233 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
 234
 235         PR target/51681
 236         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
 237         for shrp pattern.  Correctly handle and fixup shift variable.
 238         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
 239
 240 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 241
 242         PR debug/51762
 243         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
 244         note when !ACCUMULATE_OUTGOING_ARGS.
 245
 246 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
 247
 248         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
 249         condition.
 250         (extract_range_from_unary_expr_1): Avoid useless computations.
 251
 252 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 253
 254         PR rtl-optimization/51767
 255         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
 256         of jump_block and add an extra edge for degenerated asm gotos.
 257
 258         PR middle-end/51768
 259         * stmt.c (check_unique_operand_names): Don't ICE during error
 260         reporting if i is from labels chain.
 261
 262         PR middle-end/44777
 263         * profile.c (branch_prob): Split bbs that have exit edge
 264         and need a fake entry edge too.
 265
 266 2012-01-05  Jan Hubicka  <jh@suse.cz>
 267
 268         PR middle-end/49710
 269         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
 270         unlooping loops.
 271
 272 2012-01-05  Richard Guenther  <rguenther@suse.de>
 273
 274         PR lto/50490
 275         * tree-streamer-out.c (write_ts_optimization): New function.
 276         (streamer_write_tree_body): Call it.
 277         * tree-streamer-in.c (lto_input_ts_optimization): New function.
 278         (streamer_read_tree_body): Call it.
 279         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
 280
 281 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 282
 283         PR middle-end/51761
 284         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
 285         * gimplify.c (gimplify_cleanup_point_expr): Save and set
 286         in_cleanup_point_expr before gimplify_stmt call and restore it
 287         afterwards.
 288         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
 289         in_cleanup_point_expr is false.
 290
 291 2012-01-05  Richard Guenther  <rguenther@suse.de>
 292
 293         PR middle-end/51764
 294         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
 295         to c.opt.
 296         * toplev.c (process_options): Reject combining mudflap and LTO.
 297         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
 298
 299 2012-01-05  Richard Guenther  <rguenther@suse.de>
 300
 301         PR tree-optimization/51760
 302         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
 303         not VARYING.
 304         (bit_value_unop): Handle UNDEFINED operands.
 305         (bit_value_binop): Likewise.
 306
 307 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
 308
 309         * config/avr/avr.c (avr_replace_prefix): Remove.
 310         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
 311         (avr_asm_function_rodata_section): Ditto.
 312         (avr_asm_select_section): Ditto.
 313
 314 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
 315
 316         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
 317         insertion.
 318
 319 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 320
 321         PR bootstrap/51648
 322         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
 323         calls that have any non-fake successor edges.
 324
 325         PR debug/51746
 326         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
 327
 328 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
 329
 330         PR tree-optimization/51624
 331         * tree-sra.c (build_ref_for_model): When replicating a chain of
 332         COMPONENT_REFs, stop as soon as the offset would become negative.
 333
 334 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
 335
 336         PR debug/51695
 337         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
 338         in .debug_loc on the floor.
 339
 340 2012-01-04  Andrew Pinski  <apinski@cavium.com>
 341
 342         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
 343
 344 2012-01-04  Andrew Pinski  <apinski@cavium.com>
 345             Adam Nemet  <anemet@caviumnetworks.com>
 346
 347         * config/mips/mips.md (size): Add SI and DI.
 348         (SIZE): New mode attribute.
 349         (U): New code attribute.
 350         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
 351         (mips_lbux_<mode>): Delete.
 352         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
 353         (mips_lhx): Use gen_mips_lhx_extsi.
 354         (mips_lhx_<mode>): Delete.
 355         (mips_lwx): Delete.
 356         (mips_l<size>x): New expand.
 357         (mips_lwx_<mode>): Delete.
 358         (mips_l<GPR:size>x_<P:mode>): New pattern.
 359         (*mips_lw<u>x_<P:mode>_ext): Likewise.
 360         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
 361         * config/mips/mips.c (mips_lx_address_p): New function.
 362         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
 363         (dsp64): New availability predicate.
 364         (mips_builtins): Add an entry for __builtin_mips_ldx.
 365         * config/mips/mips.h (ISA_HAS_LBX): New define.
 366         (ISA_HAS_LBUX): Likewise.
 367         (ISA_HAS_LHX): Likewise.
 368         (ISA_HAS_LHUX): Likewise.
 369         (ISA_HAS_LWX): Likewise.
 370         (ISA_HAS_LWUX): Likewise.
 371         (ISA_HAS_LDX): Likewise.
 372         * doc/extend.texi (__builtin_mips_ldx): Document.
 373
 374 2012-01-04  Tristan Gingold  <gingold@adacore.com>
 375
 376         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
 377         when long pointers are used.
 378         * config.build (*-*-*vms*): Handle all OpenVMS targets.
 379         (alpha64-dec-*vms*, alpha*-dec-*vms*)
 380         (ia64-hp-*vms*): Remove.
 381         * config/vms/xm-vms64.h: Delete.
 382
 383 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 384
 385         PR middle-end/51472
 386         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
 387
 388 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 389
 390         * opts.c (finish_options): Remove duplicate sorry.
 391
 392 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 393
 394         PR middle-end/51696
 395         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
 396         correctly.
 397
 398 2012-01-04  Richard Guenther  <rguenther@suse.de>
 399
 400         PR middle-end/51750
 401         * tree.c (size_low_cst): New function.
 402         * tree.h (size_low_cst): Declare.
 403         * fold-const.c (fold_comparison): Use it to extract the low
 404         part of the POINTER_PLUS_EXPR offset.
 405
 406 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
 407
 408         Fix clearing ZERO_REG
 409         * config/avr/avr.md (cc): Add alternative "ldi".
 410         (movqi_insn): Use it in cc attribute.
 411         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
 412         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
 413         (output_reload_insisf): Use ZERO_REG to pre-clear register.
 414
 415 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 416
 417         * configure: Regenerate.
 418
 419 2012-01-04  Richard Guenther  <rguenther@suse.de>
 420
 421         PR tree-optimization/49651
 422         * tree-ssa-structalias.c (type_can_have_subvars): New function.
 423         (var_can_have_subvars): Use it.
 424         (get_constraint_for_1): Only consider subfields if there can be any.
 425
 426 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
 427
 428         PR bootstrap/51725
 429         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
 430         to its new canonical_cselib_val and the cselib_val was in
 431         first_containing_mem chain, but the canonical_cselib_val was not,
 432         add the latter into the chain.
 433         (cselib_invalidate_mem): Compare canonical_cselib_val of
 434         addr_list chain elt with v.
 435
 436         PR pch/51722
 437         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
 438         dwarf2out_undef): Allocate e.info using ggc_strdup instead
 439         of xstrdup.
 440         (output_macinfo_op): Don't ggc_strdup fd->filename.
 441         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
 442         then ggc_strdup it.  Don't free inc->info or cur->info.
 443         (output_macinfo): Don't free ref->info or file->info.
 444
 445 2012-01-03  Ira Rosen  <irar@il.ibm.com>
 446
 447         PR tree-optimization/51269
 448         * tree-vect-loop-manip.c (set_prologue_iterations): Make
 449         first_niters a pointer.
 450         (slpeel_tree_peel_loop_to_edge): Likewise.
 451         (vect_do_peeling_for_loop_bound): Update call to
 452         slpeel_tree_peel_loop_to_edge.
 453         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
 454         here.  Remove it from the parameters list.
 455         (vect_do_peeling_for_alignment): Update calls and compute
 456         wide_prolog_niters.
 457
 458 2012-01-03  Richard Guenther  <rguenther@suse.de>
 459
 460         PR tree-optimization/51070
 461         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
 462         Properly handle calls.
 463
 464 2012-01-03  Richard Guenther  <rguenther@suse.de>
 465
 466         PR tree-optimization/51692
 467         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
 468         the LHS of allocation stmts.
 469
 470 2012-01-03  Olivier Hainque  <hainque@adacore.com>
 471
 472         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
 473
 474 2012-01-03  Olivier Hainque  <hainque@adacore.com>
 475
 476         * collect2.c (main): In AIX specific computations for vector
 477         insertions, use CONST_CAST2 to cast from char ** to const char **.
 478
 479 2012-01-03  Richard Guenther  <rguenther@suse.de>
 480
 481         PR debug/51650
 482         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
 483         the context of a limbo DIE when it does not already exist.
 484
 485 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
 486
 487         PR tree-optimization/51719
 488         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
 489         but direct call is, clear direct call's lhs and don't add fallthrough
 490         edge from dcall_bb to join_bb and PHIs.
 491
 492 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 493
 494         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
 495         the instructions emitted by the pattern.
 496         ("*TDC_insn_<mode>"): Add comment.
 497
 498 2012-01-03  Richard Guenther  <rguenther@suse.de>
 499
 500         PR middle-end/51730
 501         * fold-const.c (fold_comparison): Properly canonicalize
 502         tree offset and HOST_WIDE_INT bit position.
 503
 504 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
 505
 506         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
 507         operands for extzv pattern.
 508
 509 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 510
 511         PR bootstrap/51725
 512         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
 513         on mem_elt first.
 514
 515 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
 516
 517         * doc/invoke.texi (-flto and related options): Copy-edit.
 518
 519 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 520
 521         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
 522
 523 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 524
 525         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
 526         New patterns.
 527
 528 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 529
 530         * expr.h (move_by_pieces_ninsns): Declare.
 531         * expr.c (move_by_pieces_ninsns): Make external.
 532         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
 533         (mips_store_by_pieces_p): Likewise.
 534         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
 535         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
 536         * config/mips/mips.c (mips_move_by_pieces_p): New function.
 537         (mips_store_by_pieces_p): Likewise.
 538
 539 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 540
 541         * passes.c (register_one_dump_file): Free full_name.
 542
 543         * reload1.c (reload): Don't allocate reg_max_ref_width here.
 544         (calculate_elim_costs_all_insns): Free offsets_at and
 545         offsets_known_at at the end and clear the pointers.
 546
 547 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 548
 549         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
 550         this option introduced in r180739.
 551
 552 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 553
 554         PR target/51345
 555         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
 556         (tmake_file target=avr): Add avr/t-multilib.
 557
 558         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
 559         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
 560         * config/avr/genmultilib.awk: New file.
 561         * config/avr/t-multilib: New auto-generated file.
 562         * config/avr/multilib.h: New auto-generated file.
 563         * config/avr/t-avr (AVR_MCUS): New variable.
 564         (genopt.sh): Use it.
 565         (s-mlib): Depend on t-multilib.
 566         (t-multilib, multilib.h): New dependencies.
 567         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
 568         (MULTILIB_OPTIONS): Remove.
 569         (MULTILIB_MATCHES): Remove.
 570         (MULTILIB_DIRNAMES): Remove.
 571         (MULTILIB_EXCEPTIONS): Remove:
 572         * config/avr/genopt.sh: Don't use hard coded file name;
 573         pass AVR_MCUS from t-avr instead.
 574
 575 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 576
 577         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
 578
 579 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 580
 581         Implement light-weight DImode support.
 582         * config/avr/avr-dimode.md: New file.
 583         * config/avr/avr.md: Include it.
 584         (adjust_len): Add plus64, compare64.
 585         (HIDI): Remove code iterator.
 586         (code_stdname): New code attribute.
 587         (rotx, rotsmode): Remove DI.
 588         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
 589         as code iterator.
 590         * config/avr/avr-protos.h (avr_have_dimode): New.
 591         (avr_out_plus64, avr_out_compare64): New.
 592         * config/avr/avr.c (avr_out_compare): Handle DImode.
 593         (avr_have_dimode): New variable definition and initialization.
 594         (avr_out_compare64, avr_out_plus64): New functions.
 595         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
 596         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
 597         (avr_compare_pattern): Skip DImode comparisons.
 598
 599 2012-01-02  Revital Eres  <revital.eres@linaro.org>
 600
 601         * ddg.c (def_has_ccmode_p): New function.
 602         (add_cross_iteration_register_deps,
 603         create_ddg_dep_from_intra_loop_link): Call it.
 604
 605 2012-01-02  Richard Guenther  <rguenther@suse.de>
 606
 607         PR other/51679
 608         * invoke.texi (fassociative-math): Remove spurious paranthesis.
 609
 610 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
 611
 612         * gcc.c (process_command): Update copyright notice dates.
 613         * gcov.c (print_version): Likewise.
 614         * gcov-dump.c (print_version): Likewise.
 615         * mips-tfile.c (main): Likewise.
 616         * mips-tdump.c (main): Likewise.
 617
 618 2012-01-01  Ira Rosen  <irar@il.ibm.com>
 619
 620         PR tree-optimization/51704
 621         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
 622         a use is inside the basic block or loop before accessing its vect info.
 623
 624 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
 625
 626         PR rtl-optimization/51069
 627         * cfgloopmanip.c (remove_path): Removing path making irreducible
 628         region unconditional makes BB part of the region.
 629
 630 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
 631
 632         PR tree-optimization/51683
 633         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
 634         calls with side-effects.
 635         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
 636 \f
 637 Copyright (C) 2012 Free Software Foundation, Inc.
 638
 639 Copying and distribution of this file, with or without modification,
 640 are permitted in any medium without royalty provided the copyright
 641 notice and this notice are preserved.