gcc/ChangeLog

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