gcc/ChangeLog

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