gcc/ChangeLog

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