gcc/ChangeLog

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