gcc/ChangeLog

   1 2011-12-22  Richard Guenther  <rguenther@suse.de>
   2
   3         PR lto/51650
   4         * lto.c (uniquify_nodes): Register TYPE_DECLs with the
   5         debuginfo machinery.
   6
   7 2011-12-22  Bernd Schmidt  <bernds@codesourcery.com>
   8
   9         * tree-pass.h (pass_reload): Declare.
  10         * ira.c (overall_cost_before, saved_flag_ira_share_spill_slots):
  11         New global variables, moved out of ira.
  12         (do_reload): New static function, split off from the second half
  13         of ...
  14         (ira): ... here.
  15         (gate_ira): Remove.
  16         (pass_ira): Use TV_IRA, set gate to NULL, and set flags to
  17         TODO_dump_func.
  18         (rest_of_handle_reload): New static function.
  19         (pass_reload): New.
  20
  21 2011-12-22  Uros Bizjak  <ubizjak@gmail.com>
  22
  23         * common/config/i386/i386-common.c (ix86_option_optimization_table):
  24         Move OPT_free processing from ...
  25         * config/i386/i386.c (ix86_option_override_internal):  ... here.
  26
  27 2011-12-21  Richard Earnshaw  <rearnsha@arm.com>
  28
  29         PR target/51643
  30         * arm.c (arm_function_ok_for_sibcall): Don't try to tailcall a
  31         weak function on bare-metal EABI targets.
  32
  33 2011-12-21  Jonathan Wakely  <jwakely.gcc@gmail.com>
  34             Jim Avera  <james_avera@yahoo.com>
  35
  36         * doc/extend.texi (__builtin_expect): Improve example.
  37
  38 2011-12-21  Uros Bizjak  <ubizjak@gmail.com>
  39
  40         * config/i386/i386.c (ix86_option_override_internal): Enable flag_ree
  41         also for 32bit targets.
  42
  43 2011-12-21  Richard Henderson  <rth@redhat.com>
  44
  45         PR target/51552
  46         * dwarf2cfi.c (dwarf2out_frame_debug): Move any_cfis_emitted code...
  47         (scan_trace): ... here.
  48
  49 2011-12-21  Jason Merrill  <jason@redhat.com>
  50
  51         * doc/standards.texi (C++ language): Update for C++11.
  52
  53 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
  54
  55         * tree-vect-patterns.c (vect_operation_fits_smaller_type): Initialize
  56         *op0 and *op1 to NULL_TREE first to avoid warnings.
  57         * calls.c (initialize_argument_information): Initialize base to avoid
  58         warnings.
  59
  60         PR middle-end/51644
  61         PR middle-end/51647
  62         * tree-eh.c (decide_copy_try_finally): At -O0, return true
  63         even when ndests is not 1, if there are only gimple_clobber_p
  64         (or debug) stmts in the finally sequence.
  65         * tree-inline.c (estimate_num_insns): Return 0 for gimple_clobber_p
  66         stmts.
  67
  68 2011-12-21  Aldy Hernandez  <aldyh@redhat.com>
  69
  70         PR middle-end/51472
  71         * trans-mem.c (tm_log_add): Use create_tmp_var_reg.
  72
  73 2011-12-21  Martin Jambor  <mjambor@suse.cz>
  74
  75         * tree-into-ssa.c (rewrite_update_stmt): Do not dump extra newlines.
  76         (rewrite_update_enter_block): Likewise.
  77         (dump_update_ssa): Likewise.
  78         (update_ssa): Likewise but also dump a newline at the beginning.
  79
  80 2011-12-21  Enkovich Ilya  <ilya.enkovich@intel.com>
  81
  82         PR target/50038
  83         * implicit-zee.c: Delete.
  84         * ree.c: New file.
  85         * Makefile.in: Replace implicit-zee.c with ree.c.
  86         * config/i386/i386.c (ix86_option_override_internal): Rename
  87         flag_zee to flag_ree.
  88         * common.opt (fzee): Ignored.
  89         (free): New.
  90         * passes.c (init_optimization_passes): Replace pass_implicit_zee
  91         with pass_ree.
  92         * tree-pass.h (pass_implicit_zee): Delete.
  93         (pass_ree): New.
  94         * timevar.def (TV_ZEE): Delete.
  95         (TV_REE): New.
  96         * doc/invoke.texi: Add -free description.
  97
  98 2011-12-21  Tristan Gingold  <gingold@adacore.com>
  99
 100         * config/vms/vms-protos.h (vms_function_section): New prototype.
 101         * config/vms/vms.c (vms_function_section): New function.
 102         * config/vms/vms.h (TARGET_ASM_FUNCTION_SECTION): Define.
 103
 104 2011-12-21  Richard Guenther  <rguenther@suse.de>
 105
 106         PR lto/41159
 107         * tree-outof-ssa.c (insert_value_copy_on_edge): Use the
 108         mode of the pseudo as destination mode.  Only assert that
 109         is equal to the promoted mode of the decl if it is a REG.
 110
 111 2011-12-21  Tristan Gingold  <gingold@adacore.com>
 112
 113         * config/vms/xm-vms.h (STANDARD_EXEC_PREFIX): Remove define.
 114
 115 2011-12-20  Richard Henderson  <rth@redhat.com>
 116
 117         * config/ia64/ia64.c (MAX_VECT_LEN): New.
 118         (struct expand_vec_perm_d): New.
 119         (TARGET_VECTORIZE_VEC_PERM_CONST_OK): New.
 120         (ia64_unpack_assemble): Use ia64_expand_vec_perm_const_1.
 121         (expand_vselect, expand_vselect_vconcat): New.
 122         (expand_vec_perm_identity, expand_vec_perm_shrp): New.
 123         (expand_vec_perm_1, expand_vec_perm_broadcast): New.
 124         (expand_vec_perm_interleave_2, expand_vec_perm_v4hi_5): New.
 125         (ia64_expand_vec_perm_const_1, ia64_expand_vec_perm_const): New.
 126         (ia64_vectorize_vec_perm_const_ok): New.
 127         (ia64_expand_vec_setv2sf, ia64_expand_vec_perm_even_odd): New.
 128         * config/ia64/ia64-protos.h: Update.
 129         * config/ia64/vect.md (VEC): New mode iterator.
 130         (vecint): New mode attribute.
 131         (vec_interleave_lowv8qi, vec_interleave_highv8qi): Privatize with '*'.
 132         (vec_interleave_lowv4hi, vec_interleave_highv4hi): Likewise.
 133         (vec_interleave_lowv2si, vec_interleave_highv2si): Likewise.
 134         (vec_interleave_lowv2sf, vec_interleave_highv2sf): Likewise.
 135         (mix1_even, mix1_odd, mux1_alt): Likewise.
 136         (mux1_brcst_qi): Remove '*' from name.
 137         (vec_extract_evenv8qi, vec_extract_oddv8qi): Remove.
 138         (vec_extract_evenv4hi, vec_extract_oddv4hi): Remove.
 139         (vec_extract_evenv2si, vec_extract_oddv2si): Remove.
 140         (vec_extract_evenv2sf, vec_extract_oddv2sf): Remove.
 141         (vec_extract_evenodd_helper): Remove.
 142         (vec_setv2sf): Use ia64_expand_vec_setv2sf.
 143         (vec_pack_trunc_v4hi): Use ia64_expand_vec_perm_even_odd.
 144         (vec_pack_trunc_v2si): Likewise.
 145         (vec_perm_const<VEC>): New.
 146
 147 2011-12-20  Richard Henderson  <rth@redhat.com>
 148
 149         * tree-vect-generic.c (expand_vector_operations_1): Correct tests
 150         for vector types -- use the type not the mode.  Fix optab selection
 151         for vector shifts by a scalar.  Handle over-large integer modes
 152         like BLKmode.
 153
 154 2011-12-20  Richard Henderson  <rth@redhat.com>
 155
 156         * config/arm/arm.md (*arm_xorsi3): Match iorsi3 and perform
 157         post-reload splitting.
 158
 159         * config/arm/arm.md (*arm_cmpdi_unsigned): Enable for thumb2.
 160         * config/arm/arm.c (arm_select_cc_mode): Use it.
 161
 162 2011-12-20  Richard Sandiford  <rdsandiford@googlemail.com>
 163
 164         * tree-ssa-math-opts.c (convert_plusminus_to_widen): Restrict
 165         handling of signedness differences to integer types.  Only build
 166         a new optype if type1 isn't correct.
 167
 168 2011-12-20  Vladimir Makarov  <vmakarov@redhat.com>
 169
 170         PR target/49865
 171         * ira-costs.c (find_costs_and_classes): Prefer registers even
 172           if the memory cost is the same.
 173
 174 2011-12-20  Joseph Myers  <joseph@codesourcery.com>
 175
 176         * c-decl.c (diagnose_mismatched_decls, grokdeclarator, grokfield)
 177         (finish_struct): Refer to C11 in comments.  Use flag_isoc11.
 178         * c-parser.c (c_parser_static_assert_declaration)
 179         (c_parser_static_assert_declaration_no_semi, c_parser_declspecs)
 180         (c_parser_alignas_specifier, c_parser_alignof_expression): Refer
 181         to C11 in comments.  Use flag_isoc11.
 182         * c-typeck.c (comptypes_check_different_types): Refer to C11 in
 183         comment.
 184         * doc/cpp.texi (Overview): Refer to -std=c11 instead of -std=c1x.
 185         * doc/cppopts.texi (-std=c11, -std=gnu11): Document in preference
 186         to -std=c1x and -std=gnu1x.
 187         * doc/extend.texi (Inline, Alternate Keywords, Other Builtins)
 188         (__builtin_complex, Unnamed Fields): Refer to -std=c11 and C11
 189         instead of -std=c1x and C1X.
 190         * doc/invoke.texi (-std=c11, -std=iso9899:2011): Document in
 191         preference to -std=c1x.
 192         (-std=gnu11): Document in preference to -std=gnu1x.
 193         * doc/standards.texi: Document C11 instead of C1X.  Document C11
 194         as actual standard.  Document headers required from freestanding
 195         C11 implementations.
 196         * ginclude/float.h, ginclude/stddef.h: Test __STDC_VERSION__ >=
 197         201112L for C11.  Update comments to refer to C11.
 198
 199 2011-12-20  Andreas Schwab  <schwab@linux-m68k.org>
 200
 201         * configure: Regenerate.
 202
 203 2011-12-20  Bernd Schmidt  <bernds@codesourcery.com>
 204
 205         PR middle-end/51200
 206         * expr.c (store_field): Avoid a direct store if the mode is larger
 207         than the size of the bit field.
 208         * stor-layout.c (layout_decl): If flag_strict_volatile_bitfields,
 209         treat non-volatile bit fields like volatile ones.
 210         * toplev.c (process_options): Disallow combination of
 211         -fstrict-volatile-bitfields and ABI versions less than 2.
 212         * config/arm/arm.c (arm_option_override): Don't enable
 213         flag_strict_volatile_bitfields if the ABI version is less than 2.
 214         * config/h8300/h8300.c (h8300_option_override): Likewise.
 215         * config/rx/rx.c (rx_option_override): Likewise.
 216         * config/m32c/m32c.c (m32c_option_override): Likewise.
 217         * config/sh/sh.c (sh_option_override): Likewise.
 218
 219 2011-12-20  Richard Guenther  <rguenther@suse.de>
 220
 221         PR lto/46796
 222         * dwarf2out.c (modified_type_die): When the type variant
 223         chain is corrupt use the types name, if available, instead
 224         of __unknown__.
 225
 226 2011-12-20  Tristan Gingold  <gingold@adacore.com>
 227
 228         * config/alpha/alpha.c (alpha_start_function): Adjust condition to
 229         create VMS trampoline entry point.
 230
 231 2011-12-19  Richard Sandiford  <rdsandiford@googlemail.com>
 232
 233         PR rtl-optimization/42839
 234         * fwprop.c (forward_propagate_subreg): Skip the SIGN/ZERO_EXTEND
 235         optimization if the source register is already extended.
 236
 237 2011-12-19  Richard Sandiford  <rdsandiford@googlemail.com>
 238
 239         * lower-subreg.c (can_decompose_p): Check every word of a hard
 240         register.
 241
 242 2011-12-19  Sandra Loosemore  <sandra@codesourcery.com>
 243             Tom de Vries <tom@codesourcery.com>
 244
 245         PR rtl-opt/50380
 246         * cse.c (find_comparison_args): Detect fixed point and
 247         bail early.
 248
 249 2011-12-19  Aldy Hernandez  <aldyh@redhat.com>
 250
 251         PR middle-end/51411
 252         * trans-mem.c (ipa_tm_create_version): Unset DECL_WEAK.
 253
 254 2011-12-19  Quentin Neill  <quentin.neill@amd.com>
 255
 256         PR target/48743
 257         * config/i386/driver-i386.c (host_detect_local_cpu): Also check
 258         family to distinguish PROCESSOR_ATHLON.
 259
 260 2011-12-19  Richard Guenther  <rguenther@suse.de>
 261
 262         PR lto/51573
 263         * streamer-hooks.h (struct streamer_hooks): Add second
 264         ref_p parameter to write_tree.
 265         (stream_write_tree): Adjust.
 266         (stream_write_tree_shallow_non_ref): New define.
 267         * lto-streamer.h (lto_output_tree): Adjust.
 268         * lto-streamer-out.c (lto_output_tree): Likewise.
 269         * tree-streamer-out.c (streamer_write_chain): Only
 270         force the immediate tree to be streamed as non-reference.
 271
 272 2011-12-19  Martin Jambor  <mjambor@suse.cz>
 273
 274         PR tree-optimization/51583
 275         * tree-sra.c (load_assign_lhs_subreplacements): Call
 276         force_gimple_operand_gsi when necessary also in case of no
 277         corresponding replacement on the RHS.
 278
 279 2011-12-19  Jakub Jelinek  <jakub@redhat.com>
 280
 281         * gimple.h (gimplify_seq_add_stmt): Rename to...
 282         (gimple_seq_add_stmt_without_update): ... this.
 283         * gimplify.c (gimplify_seq_add_stmt): Rename to...
 284         (gimple_seq_add_stmt_without_update): ... this.
 285         (gimplify_seq_add_stmt): New inline wrapper for it.
 286         * tree-vect-patterns.c (append_pattern_def_seq): Use
 287         gimple_seq_add_stmt_without_update instead of gimplify_seq_add_stmt.
 288
 289         PR tree-optimization/51596
 290         * tree-cfg.c (replace_uses_by): Call gimple_purge_dead_eh_edges
 291         when needed.
 292
 293         PR middle-end/51590
 294         PR tree-optimization/51606
 295         * tree-vect-patterns.c (append_pattern_def_seq, new_pattern_def_seq):
 296         New inline functions.
 297         (vect_recog_over_widening_pattern,
 298         vect_recog_vector_vector_shift_pattern,
 299         vect_recog_sdivmod_pow2_pattern, vect_recog_mixed_size_cond_pattern,
 300         adjust_bool_pattern_cast, vect_recog_bool_pattern): Use them.
 301
 302 2011-12-19  Richard Guenther  <rguenther@suse.de>
 303
 304         PR lto/51572
 305         * tree.c (free_lang_data_in_type): Do not unlink TYPE_DECL
 306         from TYPE_FIELDS.
 307         (find_decls_types_r): Walk TYPE_DECLs in TYPE_FIELDS.
 308         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Do
 309         not stream TREE_CHAIN.
 310         (write_ts_type_non_common_tree_pointers): Stream TYPE_FIELDS
 311         using streamer_write_chain.
 312         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
 313         Do not stream TREE_CHAIN.
 314         (lto_input_ts_type_non_common_tree_pointers): Stream TYPE_FIELDS
 315         using streamer_read_chain.
 316         * gimple-streamer-in.c (input_gimple_stmt): Skip non-FIELD_DECLs.
 317         * gimple.c (gimple_canonical_types_compatible_p): Properly
 318         handle trailing non-FIELD_DECLs in TYPE_FIELDS.
 319
 320 2011-12-19  Andreas Schwab  <schwab@linux-m68k.org>
 321
 322         * configure: Regenerate.
 323
 324 2011-12-19  Bernd Schmidt  <bernds@codesourcery.com>
 325
 326         * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx[3] for
 327         partial integer modes.
 328
 329 2011-12-19  Andreas Schwab  <schwab@linux-m68k.org>
 330
 331         PR target/51532
 332         * config/m68k/m68k.h (FL_CAS, TARGET_CAS): Define.
 333         * config/m68k/m68k.c (FL_FOR_isa_20): Add FL_CAS.
 334         * config/m68k/sync.md: Use TARGET_CAS instead of (TARGET_68020 ||
 335         TARGET_68040).
 336
 337 2011-12-18  Anatoly Sokolov  <aesok@post.ru>
 338
 339         * config/ia64/ia64.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
 340         LEGITIMATE_ADDRESS_REG, LEGITIMATE_ADDRESS_DISP,
 341         GO_IF_LEGITIMATE_ADDRESS): Remove macros.
 342         * config/ia64/ia64.c (TARGET_LEGITIMATE_ADDRESS_P): Define.
 343         (ia64_reg_ok_for_base_p, ia64_legitimate_address_reg,
 344         ia64_legitimate_address_disp, ia64_legitimate_address_p): New
 345         functions.
 346
 347 2011-12-17  Tom de Vries  <tom@codesourcery.com>
 348
 349         PR tree-optimization/51491
 350         * tree-ssa-ccp.c (insert_clobber_before_stack_restore)
 351         (gsi_prev_dom_bb_nondebug, insert_clobbers_for_var): New function.
 352         (ccp_fold_stmt): Use insert_clobbers_for_var after a successful
 353         fold_builtin_alloca_with_align.
 354         (ccp_visit_stmt): Calculate and free dominator info.
 355
 356 2011-12-16  Eric Botcazou  <ebotcazou@adacore.com>
 357
 358         * config/sparc/sparc.md (UNSPEC_FRAME_BLOCKAGE): New constant.
 359         (frame_blockage): New expander.
 360         (frame_blockage<P:mode>): New instruction.
 361         * config/sparc/sparc.c (sparc_expand_prologue): When the sequence of
 362         instructions establishing the frame isn't atomic, emit frame blockage.
 363
 364 2011-12-16  Tristan Gingold  <gingold@adacore.com>
 365
 366         * config/alpha/vms.h (USE_TM_CLONE_REGISTRY): Define.
 367
 368 2011-12-16  Tristan Gingold  <gingold@adacore.com>
 369
 370         * config/alpha/alpha.c (alpha_use_linkage): Follow transparent alias.
 371         (alpha_write_one_linkage): Use assemble_name to emit linkage name.
 372
 373 2011-12-16  Tristan Gingold  <gingold@adacore.com>
 374
 375         * config/vms/t-vms (vms.o, vms-c.o): Force output filename.
 376
 377 2011-12-16  Tristan Gingold  <gingold@adacore.com>
 378
 379         * config/vms/vms.c (VMS_CRTL_GLOBAL): Define.
 380         (vms_patch_builtins): Handle.
 381         * config/vms/vms-crtlmap.map: Add an entry for environ.
 382
 383 2011-12-16  Jakub Jelinek  <jakub@redhat.com>
 384
 385         PR debug/51557
 386         * sel-sched-ir.c (create_copy_of_insn_rtx): Copy all notes
 387         other than REG_EQUAL, REG_EQUIV and REG_LABEL_OPERAND.
 388
 389         PR tree-optimization/51576
 390         * tree-cfg.c (replace_uses_by): Call maybe_clean_or_replace_eh_stmt
 391         even if fold_stmt didn't change anything.
 392
 393 2011-12-16  Richard Guenther  <rguenther@suse.de>
 394
 395         PR lto/51572
 396         * dwarf2out.c (gen_type_die_with_usage): Use the context of
 397         the TYPE_DECL as well if it is file-scope.
 398
 399 2011-12-15  DJ Delorie  <dj@redhat.com>
 400
 401         * config/rl78/rl78.md (return): Rename to rl78_return.
 402         * config/rl78/rl78.c (rl78_expand_epilogue): Use new name.
 403         (rl78_expand_eh_epilogue): Use new name.
 404         (rl78_calculate_death_notes): Likewise.
 405
 406 2011-12-15  Jakub Jelinek  <jakub@redhat.com>
 407
 408         * tree-vectorizer.h (struct _stmt_vec_info): Remove pattern_def_stmt
 409         field, add pattern_def_seq.
 410         (STMT_VINFO_PATTERN_DEF_STMT): Remove.
 411         (STMT_VINFO_PATTERN_DEF_SEQ): Define.
 412         (NUM_PATTERNS): Bump to 10.
 413         * tree-vect-loop.c (vect_determine_vectorization_factor,
 414         vect_transform_loop): Adjust for pattern def changing from a single
 415         gimple stmt to gimple_seq.
 416         * tree-vect-stmts.c (vect_analyze_stmt, new_stmt_vec_info,
 417         free_stmt_vec_info): Likewise.
 418         * tree-vect-patterns.c (vect_recog_over_widening_pattern,
 419         vect_recog_vector_vector_shift_pattern,
 420         vect_recog_mixed_size_cond_pattern, adjust_bool_pattern_cast,
 421         adjust_bool_pattern, vect_mark_pattern_stmts): Likewise.
 422         (vect_recog_sdivmod_pow2_pattern): New function.
 423         (vect_vect_recog_func_ptrs): Add it.
 424
 425         * config/i386/sse.md (vcond<V_256:mode><VI_256:mode>,
 426         vcond<V_128:mode><VI124_128:mode>, vcond<VI8F_128:mode>v2di):
 427         Use general_operand instead of nonimmediate_operand for
 428         operand 5 and no predicate for operands 1 and 2.
 429         * config/i386/i386.c (ix86_expand_int_vcond): Optimize
 430         x < 0 ? -1 : 0 and x < 0 ? 1 : 0 into vector arithmetic
 431         resp. logical shift.
 432
 433 2011-12-15  Georg-Johann Lay  <avr@gjlay.de>
 434
 435         * config/avr/avr-protos.h (print_operand): Remove.
 436         (print_operand_address): Remove.
 437         * config/avr/avr.h (PRINT_OPERAND): Remove.
 438         (PRINT_OPERAND_ADDRESS): Remove.
 439         (PRINT_OPERAND_PUNCT_VALID_P): Remove.
 440         * config/avr/avr.c (TARGET_PRINT_OPERAND): New hook define.
 441         (TARGET_PRINT_OPERAND_ADDRESS): New hook define.
 442         (TARGET_PRINT_OPERAND_PUNCT_VALID_P): New hook define.
 443         (print_operand_address): Rename to...
 444         (avr_print_operand_address): ...this and make static.
 445         (print_operand): Rename to...
 446         (avr_print_operand): ...this and make static.
 447         (avr_print_operand_punct_valid_p): New static function.
 448
 449 2011-12-15  Andreas Tobler  <andreast@fgznet.ch>
 450
 451         * config/i386/freebsd.h (TARGET_ASM_FILE_END): Define.
 452
 453 2011-12-15  Jakub Jelinek  <jakub@redhat.com>
 454
 455         PR c/51360
 456         * c-parser.c (c_parser_omp_clause_num_threads,
 457         c_parser_omp_clause_schedule): Call mark_exp_read.
 458
 459 2011-12-15  Romain Geissler  <romain.geissler@gmail.com>
 460
 461         * builtins.def (BUILT_IN_STPNCPY_CHK): New definition.
 462         * builtins.c (expand_builtin, fold_builtin_4, maybe_emit_chk_warning):
 463         Add BUILT_IN_STPNCPY_CHK case.
 464         * gimple-fold.c (gimple_fold_builtin): Likewise.
 465         * tree-object-size.c (pass_through_call): Likewise.
 466         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
 467         call_may_clobber_ref_p_1): Likewise.
 468         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call,
 469         find_func_clobbers): Likewise.
 470         * tree.h (fold_builtin_strncpy_chk): Rename to fold_builtin_stxncpy_chk
 471         * builtins.c (fold_builtin_strncpy_chk): Likewise.
 472         Rewrite stpncpy_chk calls to strncpy_chk calls if returned value is
 473         ignored.
 474
 475 2011-12-15  Richard Guenther  <rguenther@suse.de>
 476
 477         PR lto/51567
 478         * gimple.c (compare_type_names_p): Also compare the TREE_CODE.
 479         (iterative_hash_name): Also hash the TREE_CODE.
 480         (gimple_types_compatible_p_1): For types with a TYPE_DECL
 481         name and a type DECL_CONTEXT recurse to that type.
 482         (iterative_hash_gimple_type): Likewise.
 483
 484 2011-12-15  Iain Sandoe  <iains@gcc.gnu.org>
 485
 486         * config/rs6000/rs6000.c  (rs6000_emit_prologue): Move update of
 487         VRSave mask to save_world() when that is in use.
 488
 489 2011-12-15  Richard Guenther  <rguenther@suse.de>
 490
 491         * lto-wrapper.c (run_gcc): In non-parallel mode remove
 492         ltrans inputs immediately after processing them.  In parallel
 493         mode truncate the ltrans inputs in the make rule that processes
 494         them if temporary files are not to be preserved.
 495
 496 2011-12-15  Anatoly Sokolov  <aesok@post.ru>
 497
 498         * config/arm/arm.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
 499         * config/arm/arm.c (arm_memory_move_cost, arm_register_move_cost):
 500         New functions.
 501         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
 502
 503 2011-12-15  Richard Guenther  <rguenther@suse.de>
 504
 505         PR lto/51564
 506         * tree.h (REGISTER_DEFS_IN_THIS_STMT, NECESSARY,
 507         STMT_IN_SSA_EDGE_WORKLIST): Remove no longer existing flag
 508         uses documentation.
 509         (TREE_ASM_WRITTEN): Update documentation to mention its use
 510         on TYPE_DECLs from debug info generation.
 511         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
 512         TREE_ASM_WRITTEN as always zero for TYPE_DECLs, similar to
 513         all other types.
 514
 515 2011-12-15  Georg-Johann Lay  <avr@gjlay.de>
 516
 517         PR target/51050
 518         * config/avr/avr.c (expand_epilogue): Don't build SUBREG of fp.
 519         (avr_prologue_setup_frame): Ditto.
 520
 521 2011-12-15  Jakub Jelinek  <jakub@redhat.com>
 522
 523         PR debug/51517
 524         * tree-ssa-coalesce.c (coalesce_ssa_name): For !optimize, test
 525         !DECL_IGNORED_P instead of !DECL_ARTIFICIAL.
 526
 527 2012-12-15  Richard Guenther  <rguenther@suse.de>
 528
 529         Revert
 530         PR lto/48437
 531         * lto-streamer-out.c (tree_is_indexable): Exclude block-local
 532         extern declarations.
 533
 534         PR lto/48508
 535         PR lto/48437
 536         * tree-streamer-out.c (streamer_write_chain): Stream DECL_EXTERNAL
 537         VAR_DECLs and FUNCTION_DECLs locally.
 538
 539 2011-12-14  Richard Henderson  <rth@redhat.com>
 540
 541         * config/arm/arm.md (*addsi3_compare0_scratch): Set predicable.
 542         (*compare_negsi_si, *compare_addsi2_op0): Likewise.
 543         (*compare_addsi2_op1, *zeroextractsi_compare0_scratch): Likewise.
 544         (*compareqi_eq0, *arm_cmpsi_insn, *arm_cmpsi_negshiftsi_si): Likewise.
 545
 546 2011-12-14  Richard Guenther  <rguenther@suse.de>
 547
 548         * tree-cfg.c (replace_uses_by): Fixup TREE_CONSTANT for
 549         propagating all kinds of constants.
 550
 551 2011-12-14  Richard Guenther  <rguenther@suse.de>
 552
 553         PR lto/51497
 554         * lto-streamer-in.c (lto_read_body): Fixup local types
 555         TYPE_CANONICAL and variant chain.
 556
 557 2011-12-14  Richard Guenther  <rguenther@suse.de>
 558
 559         * tree.c (free_lang_data_in_type): Do not clear fields
 560         dependent on debuginfo level setting.
 561         (find_decls_types_r): Use TYPE_STUB_DECL rathern than TREE_CHAIN.
 562         * tree.h (TYPE_STUB_DECL): Properly check that we access a type.
 563
 564 2011-12-14  Georg-Johann Lay  <avr@gjlay.de>
 565
 566         PR target/50931
 567         * config/avr/avr.md (mulpsi3): New expander.
 568         (*umulqihipsi3, *umulhiqipsi3): New insns.
 569         (*mulsqipsi3.libgcc, *mulpsi3.libgcc): New insns.
 570         (mulsqipsi3, *mulpsi3): New insn-and-splits.
 571         (ashlpsi3): Turn to expander.  Move insn code to...
 572         (*ashlpsi3): ...this new insn.
 573
 574 2011-12-14  Richard Guenther  <rguenther@suse.de>
 575
 576         * tree-cfg.c (replace_uses_by): Only mark blocks altered
 577         that will make a difference.  Only recompute ADDR_EXPR
 578         invariantness if it could possibly have changed.  Do so
 579         before folding the statement.
 580
 581 2011-12-13  Eric Botcazou  <ebotcazou@adacore.com>
 582
 583         * lto-streamer-out.c (write_symbol): Use proper 64-bit host type.
 584         * lto-cgraph.c (input_cgraph_opt_section): Use 'int' for offsets.
 585         * lto-streamer-in.c (lto_read_body): Likewise.
 586         (lto_input_toplevel_asms): Likewise.
 587         * lto-section-in.c (lto_create_simple_input_block): Likewise.
 588         * ipa-inline-analysis.c (inline_read_section): Likewise.
 589         * ipa-prop.c (ipa_prop_read_section): Likewise.
 590
 591         * df.h (DF_NOTE): Fix typo in comment.
 592
 593 2011-12-13  Aldy Hernandez  <aldyh@redhat.com>
 594
 595         * trans-mem.c (ipa_tm_create_version_alias): Set DECL_CONTEXT and
 596         DECL_LANG_SPECIFIC.
 597
 598 2011-12-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 599
 600         * regmove.c (fixup_match_2): Only access call_used_regs with hard regs.
 601
 602 2011-12-13  Andrew Pinski  <apinski@cavium.com>
 603             Adam Nemet  <anemet@caviumnetworks.com>
 604
 605         * config/mips/mips-cpus.def: Add Octeon2.
 606         * config/mips/mips-tables.opt: Regenerate.
 607         * config/mips/mips.md (define_attr "cpu"): Add Octeon2.
 608         * config/mips/driver-native.c (host_detect_local_cpu): Support Octeon2.
 609         * config/mips/octeon.md (octeon_arith): Add Octeon2.
 610         (octeon_condmove): Likewise.
 611         (octeon_load): Rename to ..
 612         (octeon_load_o1): this.
 613         (octeon_load_o2): New reserve.
 614         (octeon_cop_o2): New reserve.
 615         (octeon_store):  Match Octeon2 also.
 616         (octeon_brj): Rename to ..
 617         (octeon_brj_o1): this.
 618         (octeon_brj_o2): New reserve.
 619         (octeon_imul3): Rename to ...
 620         (octeon_imul3_o1): this.
 621         (octeon_imul3_o2): New reserve.
 622         (octeon_imul): Rename to ...
 623         (octeon_imul_o1): this.
 624         (octeon_imul_o2): New reserve.
 625         (octeon_mfhilo): Rename to ...
 626         (octeon_mfhilo_o1): This.
 627         (octeon_mfhilo_o2): New reserve.
 628         (octeon_imadd): Rename to ...
 629         (octeon_imadd_o1): this.
 630         (octeon_imadd_o2): New reserve.
 631         (octeon_idiv): Rename to ..
 632         (octeon_idiv_o1): This.
 633         (octeon_idiv_o2_si): New reserve.
 634         (octeon_idiv_o2_di): Likewise.
 635         (octeon_unknown): Match Octeon2 also.
 636         * config/mips/mips.c (mips_rtx_cost_data): Add Octeon2 cost data.
 637         (mips_issue_rate): Octeon2 can issue 2 at a time.
 638         * config/mips/mips.h (TARGET_OCTEON): Match Octeon2 also.
 639         (TARGET_OCTEON2): New define.
 640         (TUNE_OCTEON): Match Octeon2 also.
 641
 642 2011-12-13  Richard Henderson  <rth@redhat.com>
 643
 644         * config/sparc/tso.h: New file.
 645         * config.gcc (sparc-*-linux*, sparc*-*-solaris2*): Use it.
 646         * config/sparc/sparc.c (sparc_option_override): Honor
 647         SUBTARGET_DEFAULT_MEMORY_MODEL.
 648         * config/sparc/sparc.h (SUBTARGET_DEFAULT_MEMORY_MODEL): New.
 649
 650 2011-12-13  Aldy Hernandez  <aldyh@redhat.com>
 651
 652         PR middle-end/51443
 653         * trans-mem.c (struct diagnose_tm): Remove saw_unsafe.
 654         (diagnose_tm_1): Same.
 655         (ipa_tm_execute): Do not test tm_may_enter_irr before we set it.
 656         (ipa_tm_scan_irr_function): Return gracefully when no
 657         DECL_STRUCT_FUNCTION.
 658         (ipa_tm_scan_irr_block): Believe the user on TM attributes.
 659
 660 2011-12-13  Martin Jambor  <mjambor@suse.cz>
 661
 662         PR middle-end/50628
 663         * tree-sra.c (propagate_subaccesses_across_link): Do not propagate
 664         sub-accesses of scalar accesses.
 665
 666 2011-12-13  Martin Jambor  <mjambor@suse.cz>
 667
 668         PR tree-optimization/51362
 669         * ipa-cp.c (estimate_local_effects): When estimated size of a
 670         specialized clone is zero, bump it to one.
 671
 672 2011-12-13  Richard Guenther  <rguenther@suse.de>
 673
 674         PR lto/48354
 675         * tree.c (find_decls_types_r): Also walk DECL_ORIGINAL_TYPE.
 676         * tree-streamer-in.c (lto_input_ts_decl_non_common_tree_pointers):
 677         Stream DECL_ORIGINAL_TYPE.
 678         * tree-streamer-out.c (write_ts_decl_non_common_tree_pointers):
 679         Likewise.
 680
 681 2011-12-13  Jakub Jelinek  <jakub@redhat.com>
 682
 683         Revert
 684         2011-12-12  Jakub Jelinek  <jakub@redhat.com>
 685
 686         PR tree-optimization/51481
 687         * gimple-fold.c (gimple_fold_call): Call
 688         maybe_clean_or_replace_eh_stmt.  Avoid optimization if stmt has EH
 689         edges, but gimple_fold_builtin result can't throw.
 690
 691 2011-12-13  Jakub Jelinek  <jakub@redhat.com>
 692             Michael Matz  <matz@suse.de>
 693
 694         PR tree-optimization/51117
 695         * tree-eh.c (sink_clobbers): New function.
 696         (execute_lower_eh_dispatch): Call it for BBs ending with
 697         internally throwing RESX.
 698         * cfgexpand.c (add_scope_conflicts_1): Add all conflicts only
 699         at the first real instruction.
 700
 701 2011-12-13  Tristan Gingold  <gingold@adacore.com>
 702
 703         * final.c (final_scan_insn): Guard the call to begin_epilogue
 704         debug hook.
 705
 706 2011-12-13  Tristan Gingold  <gingold@adacore.com>
 707
 708         * vmsdbgout.c (vmsdbgout_write_source_line): New function.
 709         (vmsdbgout_end_prologue): Call vmsdbgout_write_source_line.
 710         (vmsdbgout_begin_epilogue): Likewise.
 711         (vmsdbgout_end_epilogue): Likewise.
 712         (vmsdbgout_source_line): Move code to vmsdbgout_write_source_line.
 713
 714 2011-12-13  Richard Guenther  <rguenther@suse.de>
 715
 716         PR middle-end/51481
 717         * tree-cfg.c (replace_uses_by): Pass proper arguments to
 718         maybe_clean_or_replace_eh_stmt.
 719
 720 2011-12-13  Richard Guenther  <rguenther@suse.de>
 721
 722         PR tree-optimization/51519
 723         * ipa-inline.c (edge_badness): Use edge growth in non-guessed
 724         branch probability case as well.
 725
 726 2011-12-13  Revital Eres  <revital.eres@linaro.org>
 727
 728         * modulo-sched.c (mark_loop_unsched): Free bbs.
 729
 730 2011-12-12  Jakub Jelinek  <jakub@redhat.com>
 731
 732         PR rtl-optimization/51495
 733         * function.c (thread_prologue_and_epilogue_insns): Don't add
 734         to bb_tail basic blocks that have EDGE_COMPLEX predecessor edges
 735         from basic blocks not needing prologue.
 736
 737         PR tree-optimization/51481
 738         * gimple-fold.c (gimple_fold_call): Call
 739         maybe_clean_or_replace_eh_stmt.  Avoid optimization if stmt has EH
 740         edges, but gimple_fold_builtin result can't throw.
 741
 742 2011-12-12  Vladimir Makarov  <vmakarov@redhat.com>
 743
 744         PR rtl-optimization/21617
 745         * ira-color.c (bucket_allocno_compare_func): Don't compare
 746         allocno classes.  Compare number of hard registers needed.
 747
 748 2011-12-12  Eric Botcazou  <ebotcazou@adacore.com>
 749
 750         PR tree-optimization/50569
 751         * tree-sra.c (build_ref_for_model): Replicate a chain of COMPONENT_REFs
 752         in the expression of MODEL instead of just the last one.
 753
 754 2011-12-12  Jakub Jelinek  <jakub@redhat.com>
 755
 756         PR middle-end/51510
 757         * calls.c (internal_arg_pointer_based_exp_scan): Don't use
 758         VEC_safe_grow_cleared if idx is smaller than VEC_length.
 759
 760 2011-12-12  Richard Sandiford  <richard.sandiford@linaro.org>
 761
 762         PR middle-end/50873
 763         * optabs.c (maybe_legitimize_operand_same_code): Use copy_to_mode_reg
 764         instead of force_reg.  Do nothing if the address is already a
 765         non-virtual pseudo register.
 766
 767 2011-12-12  Torvald Riegel  <triegel@redhat.com>
 768
 769         * gimplify.c (voidify_wrapper_expr): Add default handling for
 770         outermost wrapper.
 771
 772 2011-12-12  Torvald Riegel  <triegel@redhat.com>
 773
 774         * tree-ssa-tail-merge.c (gimple_equal_p): Don't treat transaction
 775         commits as equal.
 776
 777 2011-12-12  Iain Sandoe  <iains@gcc.gnu.org>
 778
 779         * config/darwin-sections.def (zobj_const_data_section): Fix over-
 780         length section name.
 781
 782 2011-12-11  Richard Henderson  <rth@redhat.com>
 783
 784         * config/rs6000/rs6000.c (rs6000_expand_interleave): Use
 785         BYTES_BIG_ENDIAN, not TARGET_BIG_ENDIAN.
 786
 787 2011-12-11  Jakub Jelinek  <jakub@redhat.com>
 788
 789         PR tree-optimization/51485
 790         * tree-vect-data-refs.c (vect_analyze_data_refs): Give up on
 791         DRs in call stmts.
 792
 793 2011-12-11  Patrick Marlier  <patrick.marlier@gmail.com>
 794
 795         * trans-mem.c (ipa_tm_transform_calls_redirect): Do not remove edge.
 796
 797 2011-12-10  Richard Henderson  <rth@redhat.com>
 798
 799         * config/rs6000/altivec.md (altivec_vmrghb): Rewrite pattern as
 800         vec_select + vec_concat.
 801         (altivec_vmrghh, altivec_vmrghw, altivec_vmrghsf, altivec_vmrglb,
 802         altivec_vmrglh, altivec_vmrglw, altivec_vmrglsf): Likewise.
 803         (vec_perm_constv16qi): New.
 804         (vec_extract_evenv4si, vec_extract_evenv4sf, vpkuhum_nomode,
 805         vpkuwum_nomode, vec_extract_oddv8hi, vec_extract_oddv16qi,
 806         vec_interleave_high<VI>, vec_interleave_low<VI>): Remove.
 807         * config/rs6000/paired.md (paired_merge00): Rewrite pattern as
 808         vec_select + vec_concat.
 809         (paired_merge10, paired_merge01, paired_merge11): Likewise.
 810         (vec_perm_constv2sf): New.
 811         (vec_interleave_highv2sf, vec_interleave_lowv2sf,
 812         vec_extract_evenv2sf, vec_extract_oddv2sf): Remove.
 813         * config/rs6000/spe.md (spe_evmergehi): Rewrite pattern as
 814         vec_select + vec_concat.
 815         (spe_evmergehilo, spe_evmergelo, spe_evmergelohi): New.
 816         (vec_perm_constv2si): New.
 817         * config/rs6000/vector.md (vec_interleave_highv4sf,
 818         vec_interleave_lowv4sf, vec_interleave_high<VEC_64>,
 819         vec_interleave_low<VEC_64>): Remove.
 820         * config/rs6000/vsx.md (VS_double): New mode attribute.
 821         (UNSPEC_VSX_XXPERMDI): Remove.
 822         (vsx_xxpermdi_<VSX_L>_1): Rewrite pattern as vec_select + vec_concat.
 823         (vsx_xxmrghw_<VSX_W>, vsx_xxmrglw_<VSX_W>): Likewise.
 824         (vsx_xxpermdi_<VSX_L>): Change to expander.
 825         (vec_perm_const<VSX_D>): New.
 826         (vsx_mergel_<VSX_D>, vsx_mergeh_<VSX_D>): New.
 827         * config/rs6000/predicates.md (const_0_to_1_operand): New.
 828         (const_2_to_3_operand): New.
 829         * config/rs6000/rs6000.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): New.
 830         (altivec_expand_vec_perm_const): New.
 831         (rs6000_expand_vec_perm_const_1, rs6000_expand_vec_perm_const): New.
 832         (rs6000_vectorize_vec_perm_const_ok): New.
 833         (rs6000_do_expand_vec_perm): New.
 834         (rs6000_expand_extract_even, rs6000_expand_interleave): New.
 835         * config/rs6000/rs6000-builtin.def (VEC_MERGE*): Update rtx codes.
 836         * config/rs6000/rs6000-modes.def: Add double-wide vector modes.
 837         * config/rs6000/rs6000-protos.h: Update.
 838
 839 2011-12-10  Richard Henderson  <rth@redhat.com>
 840
 841         * expr.c (expand_expr_real_2) [VEC_PERM_EXPR]: Avoid passing a
 842         CONST_INT to expand_vec_perm as the selector.
 843         * optabs.c (expand_vec_perm): Assert the selector is of a proper mode.
 844
 845 2011-12-10  Richard Henderson  <rth@redhat.com>
 846
 847         * genmodes.c (struct mode_data): Remove wider_2x member.
 848         (blank_mode): Adjust initializer.
 849         (calc_wider_mode): Use XALLOCAVEC.
 850         (emit_move_wider): Select double-width same-element vectors for
 851         2xwider vectors.
 852         * machmode.h (GET_MODE_2XWIDER_MODE): Update documentation.
 853         * config/i386/i386.c (doublesize_vector_mode): Remove.
 854         (expand_vselect_vconcat): Use GET_MODE_2XWIDER_MODE instead.
 855
 856 2011-12-10  Joern Rennecke  <joern.rennecke@embecosm.com>
 857
 858         * config/epiphany/epiphany.h (USE_LOAD_POST_INCREMENT): Define.
 859         (USE_LOAD_POST_DECREMENT, USE_STORE_POST_INCREMENT): Likewise.
 860         (USE_STORE_POST_DECREMENT): Likewise.
 861
 862         * config/epiphany/epiphany.h (EPIPHANY_RETURN_REGNO): New macro,
 863         broken out of ..
 864         (INCOMING_RETURN_ADDR_RTX) .. this.  Use EPIPHANY_RETURN_REGNO.
 865         (DWARF_FRAME_RETURN_COLUMN): New macro.
 866
 867         * config/epiphany/epiphany-protos.h (epiphany_start_function): Declare.
 868         * config/epiphany/epiphany.c (epiphany_handle_interrupt_attribute):
 869         Split "timer" value into "timer0" and "timer1".
 870         Handle page_miss, message and wand.  Don't handle static_flag.
 871         Adjust warning text.
 872         (epiphany_start_function): New function.
 873         (epiphany_compute_function_type): Split "timer" value into "timer0"
 874         and "timer1".  Handle page_miss, message and wand.
 875         Don't handle static_flag.
 876         (epiphany_expand_epilogue): Don't use frame_insn for status / iret
 877         restore.
 878         * config/epiphany/epiphany.h: ASM_DECLARE_FUNCTION_NAME: Define.
 879         (enum epiphany_function_type):
 880         Split EPIPHANY_FUNCTION_TIMER value into EPIPHANY_FUNCTION_TIMER0
 881         and EPIPHANY_FUNCTION_TIMER1.
 882         Remove EPIPHANY_FUNCTION_ILINK1 and EPIPHANY_FUNCTION_ILINK2 values.
 883         Add EPIPHANY_FUNCTION_PAGE_MISS and EPIPHANY_FUNCTION_MESSAGE values.
 884         Rename EPIPHANY_FUNCTION_STATIC_FLAG to EPIPHANY_FUNCTION_WAND.
 885
 886 2011-12-10  Nathan Sidwell  <nathan@acm.org>
 887
 888         PR gcov-profile/51449
 889         * coverage.c (coverage_end_function): Always process the coverage
 890         variables.
 891
 892 2011-12-09  Aldy Hernandez  <aldyh@redhat.com>
 893
 894         PR/51291
 895         * tree.c (build_common_builtin_nodes): Do not use TM_PURE
 896         attribute unless language has support for TM.
 897         * config/i386/i386.c (ix86_init_tm_builtins): Exit gracefully in
 898         the absence of TM builtins.
 899
 900 2011-12-09  Eric Botcazou  <ebotcazou@adacore.com>
 901
 902         * gimple-fold.c (gimple_fold_stmt_to_constant_1) <GIMPLE_UNARY_RHS>:
 903         Also check the TYPE_MODE to recognize useless pointer conversions.
 904
 905 2011-12-09  Jakub Jelinek  <jakub@redhat.com>
 906
 907         PR tree-optimization/51117
 908         * tree-eh.c (optimize_clobbers): Don't remove just one
 909         clobber, but all consecutive clobbers before RESX.
 910         Use gimple_clobber_p predicate.
 911
 912 2011-12-09  Michael Meissner  <meissner@the-meissners.org>
 913
 914         * config/rs6000/rs6000.c (altivec_expand_builtin): Call
 915         expand_call to return a valid funciton instead of return
 916         cosnt0_rtx/NULL_RTX if there was an error with the builtin.
 917         (altivec_expand_ld_builtin): Ditto.
 918         (rs6000_inner_target_options): If VSX is selected as a target
 919         attribute or pragma, enable ALTIVEC also.
 920         (rs6000_pragma_target_parse): Call rs6000_option_override_internal
 921         to do all of the standard processing when switching options,
 922         including redefining appropriate macros.
 923
 924         PR rtl-optimization/51469
 925         * varasm.c (default_binds_local_p_1): If the symbol is a gnu
 926         indirect function, mark the symbol as non-local.
 927
 928 2011-12-09  H.J. Lu  <hongjiu.lu@intel.com>
 929
 930         PR bootstrap/51479
 931         * Makefile.in (errors.o): Restored.
 932
 933 2011-12-09  Richard Guenther  <rguenther@suse.de>
 934
 935         PR lto/48042
 936         * tree.c (free_lang_data_in_decl): Remove freeing conditional
 937         on debuginfo level.
 938
 939 2011-12-09  Joern Rennecke  <joern.rennecke@embecosm.com>
 940
 941         PR middle-end/40154
 942         * emit-rtl.c (set_dst_reg_note): New function.
 943         * rtl.h (set_dst_reg_note): Declare.
 944         * optabs.c (expand_binop, expand_absneg_bit): Use set_dst_reg_note.
 945         (emit_libcall_block, expand_fix): Likewise.
 946         * function.c (assign_parm_setup_reg, expand_function_start): Likewise.
 947         * expmed.c (expand_mult_const, expand_divmod): Likewise.
 948         * reload1.c (gen_reload): Likewise.
 949
 950         * dse.c (get_stored_val, get_call_args): Use gen_int_mode.
 951         * expmed.c (expand_divmod): Likewise.
 952         * combine.c (simplify_if_then_else): Likewise.
 953
 954 2011-12-09  Kai Tietz  <ktietz@redhat.com>
 955
 956         * ira-color.c (print_hard_regs_subforest): Use
 957         HOST_WIDEST_INT_PRINT_DEC instead of %lld.
 958         (allocno_hard_regs): Change type of cost member to HOST_WIDEST_INT.
 959         (add_allocno_hard_regs): Change type of argument cost
 960         to HOST_WIDEST_INT.
 961         * ira-conflict.c (build_conflict_bit_table): Replace use
 962         of long-long by HOST_WIDEST_INT.
 963
 964 2011-12-09  Georg-Johann Lay  <avr@gjlay.de>
 965
 966         PR target/51425
 967         * config/avr/avr.md (config/avr/avr.md, *sbix_branch_tmp): Use
 968         zero_extract:QIHI instead of zero_extract:HI.
 969
 970 2011-12-09  Jakub Jelinek  <jakub@redhat.com>
 971             Andrew Pinski  <apinski@cavium.com>
 972
 973         PR tree-optimization/51117
 974         * tree-eh.c (optimize_clobbers): New function.
 975         (execute_lower_eh_dispatch): Call it.
 976
 977 2011-12-09  Richard Guenther  <rguenther@suse.de>
 978
 979         PR tree-optimization/51482
 980         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
 981         Make sure to only create REAL_TYPE and INTEGER_TYPE component vectors.
 982
 983 2011-12-09  Kai Tietz  <ktietz@redhat.com>
 984
 985         * implicit-zee.c (num_realized): Change type to long.
 986         (num_ze_opportunities): Likewise.
 987
 988 2011-12-08  Andrew Pinski  <apinski@cavium.com>
 989
 990         * config/mips/mips-cpus.def (octeon+): New CPU.
 991         * config/mips/mips-tables.opt: Regenerate.
 992         * config/mips/mips.h (MIPS_CPP_SET_PROCESSOR): Emit '+' as 'P'.
 993
 994 2011-12-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 995
 996         PR middle-end/39976
 997         * tree-ssa-dom.c (enum expr_kind): Add EXPR_PHI.
 998         (struct hashable_expr): Add struct phi field.
 999         (initialize_hash_element): Handle phis; change to use XCNEWVEC.
1000         (hashable_expr_equal_p): Handle phis.
1001         (iterative_hash_hashable_expr): Likewise.
1002         (print_expr_hash_elt): Likewise.
1003         (free_expr_hash_elt): Likewise.
1004         (dom_opt_enter_block): Create equivalences from redundant phis.
1005         (eliminate_redundant_computations): Handle redundant phis.
1006         (lookup_avail_expr): Handle phis.
1007
1008 2011-12-08  Jakub Jelinek  <jakub@redhat.com>
1009
1010         PR tree-optimization/51466
1011         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also copy
1012         TREE_SIDE_EFFECTS.
1013
1014 2011-12-08  Richard Guenther  <rguenther@suse.de>
1015
1016         * tree-ssa-operands.c (add_stmt_operand): Do not mark stmts
1017         volatile when processing operands of an ADDR_EXPR.
1018         (get_indirect_ref_operands): Likewise.
1019         (get_tmr_operands): Likewise.
1020         (get_expr_operands): Likewise.
1021
1022 2011-12-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1023
1024         PR target/50395
1025         * config/s390/s390.c (s390_mainpool_finish): Emit the jump over
1026         the literal pool as jump insn.
1027
1028 2011-12-08  Richard Guenther  <rguenther@suse.de>
1029
1030         PR tree-optimization/49772
1031         * tree-inline.c (optimize_inline_calls): Remove bail out on errors.
1032
1033 2011-12-08  Richard Guenther  <rguenther@suse.de>
1034
1035         PR lto/50747
1036         * lto-streamer-out.c (produce_symtab): Remove asserts.
1037
1038 2011-12-08  Richard Guenther  <rguenther@suse.de>
1039
1040         PR lto/49945
1041         * lto-streamer-out.c (tree_is_indexable): Localize variably
1042         modified types and their FIELD_DECLs.
1043
1044 2011-12-08  Eric Botcazou  <ebotcazou@adacore.com>
1045
1046         PR tree-optimization/51315
1047         * tree.h (get_object_or_type_alignment): Declare.
1048         * expr.c (get_object_or_type_alignment): Move to...
1049         * builtins.c (get_object_or_type_alignment): ...here.  Add assertion.
1050         * tree-sra.c (tree_non_mode_aligned_mem_p): Rename to...
1051         (tree_non_aligned_mem_p): ...this.  Add ALIGN parameter.  Look into
1052         MEM_REFs and use get_object_or_type_alignment for them.
1053         (build_accesses_from_assign): Adjust for above change.
1054         (access_precludes_ipa_sra_p): Likewise.
1055
1056 2011-12-08  Richard Guenther  <rguenther@suse.de>
1057
1058         PR lto/48437
1059         * lto-streamer-out.c (tree_is_indexable): Exclude block-local
1060         extern declarations.
1061
1062 2011-12-07  Andrew Pinski  <apinski@cavium.com>
1063
1064         PR middle-end/45416
1065         * expr.c (do_store_flag): Rewrite code that looks for BIT_AND_EXPR for
1066         SSA-expand.
1067
1068 2011-12-07  Richard Guenther  <rguenther@suse.de>
1069
1070         PR tree-optimization/50823
1071         * ipa-inline.c (edge_badness): Do not account for the number of
1072         remaining calls.
1073
1074 2011-12-07  Martin Jambor  <mjambor@suse.cz>
1075
1076         PR tree-optimization/50744
1077         * ipa-cp.c (good_cloning_opportunity_p): Assert size_cost is positive,
1078         compute evaluation in HOST_WIDEST_INT.
1079         (safe_add): New function
1080         (propagate_effects): Use safe_add to accumulate effects.
1081
1082 2011-12-06  Joel Sherrill <joel.sherrill@oarcorp.com>
1083
1084         * config/rs6000/rtems.h: Switch to using global_options_set
1085         in SUBSUBTARGET_OVERRIDE_OPTIONS.
1086
1087 2011-12-06  David S. Miller  <davem@davemloft.net>
1088
1089         * config/sparc/visintrin.h: Add appropriate __VIS__ cpp protection.
1090
1091 2011-12-06  Georg-Johann Lay  <avr@gjlay.de>
1092
1093         * config/avr/avr.c (avr_file_start): Fix missing ,
1094
1095 2011-12-06  Jakub Jelinek  <jakub@redhat.com>
1096
1097         PR target/51354
1098         * config/i386/i386.c (ix86_emit_leave): Call ix86_add_cfa_restore_note
1099         unconditionally.
1100
1101 2011-12-06  Georg-Johann Lay  <avr@gjlay.de>
1102
1103         Forward-port from gcc-4_6-branch r181936 2011-12-02.
1104         * config/avr/avr-mcus.def (avr_mcu_types): ATtiny4313 and
1105         AT86RF401 have a 16-bit SP (their manual is bogus).
1106
1107 2011-12-06  Georg-Johann Lay  <avr@gjlay.de>
1108
1109         Forward-port from gcc-4_6-branch r181936 2011-12-02.
1110
1111         PR target/51002
1112         * config/avr/avr.md (movhi_sp_r): Set insn condition to
1113         !AVR_HAVE_8BIT_SP.
1114         * config/avr/avr.c (output_movhi): Use "clr%B0" instead of "in
1115         %B0,__SP_H__" if AVR_HAVE_8BIT_SP.
1116         (avr_file_start): Only print "__SP_H__ = 0x3e" if !AVR_HAVE_8BIT_SP.
1117
1118 2011-12-06  Georg-Johann Lay  <avr@gjlay.de>
1119
1120         PR target/51409
1121         PR target/49868
1122         * config/avr/avr.h (ADDR_SPACE_PGM, ADDR_SPACE_PGM1,
1123         ADDR_SPACE_PGM2, ADDR_SPACE_PGM3, ADDR_SPACE_PGM4,
1124         ADDR_SPACE_PGM5, ADDR_SPACE_PGMX): Write as enum.
1125         (avr_addrspace_t): New typedef.
1126         (avr_addrspace): New declaration.
1127         * config/avr/avr-c.c (avr_toupper): New static function.
1128         (avr_register_target_pragmas, avr_cpu_cpp_builtins): Use
1129         avr_addrspace to get address space information.
1130         * config/avr/avr.c (avr_addrspace): New variable.
1131         (avr_out_lpm, avr_pgm_check_var_decl, avr_insert_attributes,
1132         avr_asm_named_section, avr_section_type_flags,
1133         avr_asm_select_section, avr_addr_space_address_mode,
1134         avr_addr_space_convert, avr_emit_movmemhi): Use it.
1135         (avr_addr_space_pointer_mode): Forward to avr_addr_space_address_mode.
1136         (avr_pgm_segment): Remove.
1137
1138 2011-12-06  Richard Guenther  <rguenther@suse.de>
1139
1140         PR middle-end/50601
1141         * varasm.c (assemble_alias): Move DECL_EXTERNAL implementation
1142         quirk adjustjment ...
1143         * passes.c (rest_of_decl_compilation): ... here.
1144
1145 2011-12-06  Richard Guenther  <rguenther@suse.de>
1146
1147         PR middle-end/51436
1148         * gimple-fold.c (gimplify_and_update_call_from_tree): Guard vdef check
1149         for the fact we do not have virtual operands when not optimizing.
1150
1151 2011-12-06  Richard Guenther  <rguenther@suse.de>
1152
1153         PR tree-optimization/51245
1154         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1155         New function.
1156         (vn_reference_lookup_3): Use it.  Properly valueize all refs we create.
1157
1158 2011-12-06  Iain Sandoe  <iains@gcc.gnu.org>
1159
1160         * config/rs6000/rs6000.c (darwin_rs6000_override_options): Initialize
1161         rs6000_current_abi.
1162
1163 2011-12-06  Richard Guenther  <rguenther@suse.de>
1164
1165         PR tree-optimization/51363
1166         * gimple.c (gimple_rhs_has_side_effects): Remove.
1167         * gimple.h (gimple_rhs_has_side_effects): Likewise.
1168         * tree-ssa-dom.c (optimize_stmt): Simplify conditional.
1169
1170 2011-12-06  Alan Modra  <amodra@gmail.com>
1171
1172         PR target/50906
1173         * config/rs6000/rs6000.c (rs6000_emit_prologue <TARGET_SPE_ABI>):
1174         Do not mark r11 setup as frame-related.  Pass correct offset to
1175         rs6000_emit_savres_rtx.  Correct out-of-line rs6000_frame_related
1176         arguments.  Correct sp_offset.  Remove "offset" fudge from
1177         in-line rs6000_frame_related call.  Rename misleading variable.
1178         Fix comments and whitespace.  Tidy some expressions.
1179         (rs6000_emit_epilogue <TARGET_SPE_ABI>): Always set frame_reg_rtx
1180         to r11 in out-of-line case.  Correct sp_offset.  Pass correct
1181         offset to rs6000_emit_savres_rtx.  Rename misleading variable.
1182         Fix comments and whitespace.  Tidy some expressions.
1183         (rs6000_emit_epilogue <non-TARGET_SPE_ABI>): Add sp_offset
1184         adjustment when !saving_GPRs_inline.  Correct register mode
1185         used in address calcs.
1186         (rs6000_emit_epilogue <non-TARGET_SPE_ABI>): Similarly when
1187         !restoring_GPRs_inline.
1188
1189 2011-12-06  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1190
1191         * config/arm/vfp.md (*combine_vcvt_f64_<FCVTI32typename>): Fix
1192         formatting character for vmov.f64 case.
1193
1194 2011-12-05  Jakub Jelinek  <jakub@redhat.com>
1195
1196         PR tree-optimization/51396
1197         * tree-ssa-math-opts.c (convert_mult_to_fma): Don't optimize
1198         if MUL_RESULT has zero uses.
1199
1200         PR debug/51410
1201         * c-decl.c (pop_scope): Don't add DECL_EXTERNAL decls
1202         for debug info if scope is file_scope.
1203
1204         PR c/51339
1205         * c-decl.c (c_finish_incomplete_decl, finish_decl): Call
1206         relayout_decl instead of layout_decl.
1207
1208 2011-12-05  Richard Sandiford  <rdsandiford@googlemail.com>
1209
1210         * resource.c (init_resource_info): Only consider EXIT_IGNORE_STACK
1211         if there is in epilogue.
1212
1213 2011-12-05  Richard Sandiford  <rdsandiford@googlemail.com>
1214
1215         * optabs.c (maybe_emit_sync_lock_test_and_set): Pass a null target
1216         to emit_library_call_value.
1217         (expand_atomic_compare_and_swap): Likewise.
1218
1219 2011-12-05  Vladimir Makarov  <vmakarov@redhat.com>
1220
1221         PR other/50775
1222         * ira-int.h (struct ira_object): Remove add_data.
1223         (OBJECT_ADD_DATA): Remove.
1224
1225         * ira-build.c (ira_create_object): Remove OBJECT_ADD_DATA
1226         initialization.
1227
1228         * ira-color.c (object_hard_regs_t, object_hard_regs): Rename to
1229         allocno_hard_regs_t, allocno_hard_regs.
1230         (object_hard_regs_node_t, object_hard_regs_node): Rename to
1231         allocno_hard_regs_node_t and allocno_hard_regs_node.
1232         (struct allocno_color_data): Add new member last_process.  Move
1233         profitable_hard_regs, hard_regs_node, and hard_regs_subnodes_start
1234         from object_color_data.
1235         (object_color_data_t, object_color_data, OBJECT_COLOR_DATA): Remove.
1236         (curr_allocno_process): New static variable.
1237         (object_hard_regs_eq, object_hard_regs_htab): Rename to
1238         allocno_hard_regs_eq and allocno_hard_regs_htab.
1239         (init_object_hard_regs, finish_object_hard_regs): Rename to
1240         init_allocno_hard_regs and finish_allocno_hard_regs.
1241         (object_hard_regs_compare, object_hard_regs_node_t): Rename to
1242         allocno_hard_regs_compare and allocno_hard_regs_node_t.
1243         (create_new_object_hard_regs_node): Rename to
1244         create_new_allocno_hard_regs_node.
1245         (add_new_object_hard_regs_node_to_forest): Rename to
1246         add_new_allocno_hard_regs_node_to_forest.
1247         (add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
1248         Rename to add_allocno_hard_regs_to_forest and
1249         collect_allocno_hard_regs_cover.
1250         (setup_object_hard_regs_nodes_parent): Rename to
1251         setup_allocno_hard_regs_nodes_parent.
1252         (remove_unused_object_hard_regs_nodes): Rename to
1253         remove_unused_allocno_hard_regs_nodes.
1254         (enumerate_object_hard_regs_nodes, object_hard_regs_nodes_num):
1255         Rename to enumerate_allocno_hard_regs_nodes and
1256         allocno_hard_regs_nodes_num.
1257         (object_hard_regs_nodes, object_hard_regs_subnode_t): Rename to
1258         allocno_hard_regs_nodes and allocno_hard_regs_subnode_t.
1259         (object_hard_regs_subnode, object_hard_regs_subnodes): Rename to
1260         allocno_hard_regs_subnode and allocno_hard_regs_subnodes.
1261         (object_hard_regs_subnode_index): Rename to
1262         allocno_hard_regs_subnode_index.
1263         (setup_object_hard_regs_subnode_index): Rename to
1264         setup_allocno_hard_regs_subnode_index.
1265         (get_object_hard_regs_subnodes_num): Rename to
1266         get_allocno_hard_regs_subnodes_num.
1267         (form_object_hard_regs_nodes_forest): Rename to
1268         form_allocno_hard_regs_nodes_forest.
1269         (finish_object_hard_regs_nodes_tree): Rename to
1270         form_allocno_hard_regs_nodes_forest
1271         (finish_object_hard_regs_nodes_forest): Rename to
1272         finish_allocno_hard_regs_nodes_forest.
1273         (setup_left_conflict_sizes_p): Use allocno data instead of object ones.
1274         Process conflict allocnos once.
1275         (update_left_conflict_sizes_p): Use allocno data instead of object
1276         ones.  Change prototype signature.
1277         (empty_profitable_hard_regs): Use allocno data instead of object ones.
1278         (setup_profitable_hard_regs): Ditto.
1279         (get_conflict_profitable_regs): Rename to
1280         get_conflict_and_start_profitable_regs.  Use allocno data for
1281         profitable regs calculation.
1282         (check_hard_reg_p): Change prototype signature.  Check profitable
1283         regs for allocno not the objects.
1284         (assign_hard_reg): Process conflict allocnos only once for
1285         updating conflict costs.
1286         (setup_allocno_available_regs_num): Use allocno data instead of
1287         object ones.  Modify debug output.
1288         (color_pass): Remove initialization and finalization of object
1289         color data.
1290
1291 2011-12-05  Kazu Hirata  <kazu@codesourcery.com>
1292
1293         PR target/51408
1294         * config/arm/arm.md (*minmax_arithsi): Always require the else
1295         clause in the MINUS case.
1296
1297 2011-12-05  Richard Guenther  <rguenther@suse.de>
1298
1299         PR tree-optimization/50904
1300         * tree-ssa-loop-im.c (struct mem_ref): Remove vops member.
1301         (MEM_ANALYZABLE): New.
1302         (memory_references): Remove clobbered_vops and vop_ref_map
1303         members, add all_refs_stored_in_loop member.
1304         (memref_free): Adjust.
1305         (mem_ref_alloc): Likewise.
1306         (gather_mem_refs_stmt): Do not record clobbers, instead
1307         record refs for unanalyzable stmts.
1308         (gather_mem_refs_in_loops): Do not propagate clobbers.
1309         (struct vop_to_refs_elt, vtoe_hash, vtoe_eq, vtoe_free,
1310         record_vop_access, get_vop_accesses, get_vop_stores,
1311         add_vop_ref_mapping): Remove.
1312         (create_vop_ref_mapping_loop): Adjust to simply record all stores.
1313         (analyze_memory_references): Adjust.
1314         (refs_independent_p): Check for not analyzable refs.
1315         (can_sm_ref_p): Likewise.
1316         (ref_indep_loop_p_1): Simplify.
1317         (tree_ssa_lim_finalize): Adjust.
1318
1319         * tree-ssa-loop-im.c (stmt_cost): Simplify, use LIM_EXPENSIVE
1320         rather than magic constants.  Assign zero cost to PAREN_EXPR
1321         and SSA_NAME copies.  Assign cost proportional to the vector
1322         size for vector constructors.
1323
1324 2011-12-05  Richard Guenther  <rguenther@suse.de>
1325
1326         * tree-ssa-alias.h (struct ao_ref_s): Add volatile_p field.
1327         * tree-ssa-alias.c (ao_ref_init): Initialize it.
1328         (ao_ref_init_from_ptr_and_size): Likewise.
1329         (refs_may_alias_p_1): Two volatile accesses conflict.
1330         (ref_maybe_used_by_call_p_1): Likewise.
1331         (call_may_clobber_ref_p_1): Likewise.
1332         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Initialize
1333         volatile_p field.
1334
1335 2011-12-05  Richard Guenther  <rguenther@suse.de>
1336
1337         * tree-ssa.c (verify_ssa): Verify SSA names in the loop over all SSA
1338         names.  Remove SSA operand checking, call verify_ssa_operands.
1339         * tree-ssa-operands.h (verify_ssa_operands): Declare.
1340         * tree-ssa-operands.c (verify_ssa_operands): New function.
1341
1342 2011-12-05  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1343
1344         * config/arm/arm.c (vfp3_const_double_for_fract_bits): Define.
1345         * config/arm/arm-protos.h (vfp3_const_double_for_fract_bits): Declare.
1346         * config/arm/constraints.md ("Dt"): New constraint.
1347         * config/arm/predicates.md
1348         (const_double_vcvt_power_of_two_reciprocal): New.
1349         * config/arm/vfp.md (FCVTI32typename): New.
1350         (FCVT): New iterator.
1351         (*combine_vcvt_f32_<FCVTI32typename>): New.
1352         (*combine_vcvt_f64_<FCVTI32typename>): New.
1353
1354 2011-12-05  Richard Guenther  <rguenther@suse.de>
1355
1356         * cgraph.c (cgraph_create_edge_1): Initialize
1357         call_stmt_cannot_inline_p from the stmt if possible.
1358         (cgraph_make_edge_direct): Likewise.
1359         * gimple-streamer-in.c (input_gimple_stmt): Do not
1360         call gimple_call_set_cannot_inline.
1361         * gimple.h (enum gf_mask): Remove GF_CALL_CANNOT_INLINE, shift values.
1362         (gimple_call_set_cannot_inline): Remove.
1363         (gimple_call_cannot_inline_p): Likewise.
1364         * ipa-inline-analysis.c (initialize_inline_failed): Look
1365         at the edge call_stmt_cannot_inline_p flag.
1366         * ipa-inline.c (can_inline_edge_p): Likewise.
1367         (early_inliner): Only update the edge flag.
1368         * ipa-prop.c (update_indirect_edges_after_inlining): Likewise.
1369         (ipa_modify_call_arguments): Do not call gimple_call_set_cannot_inline.
1370         * cgraphunit.c (assemble_thunk): Likewise.
1371         * gimple-fold.c (gimple_fold_call): Likewise.
1372
1373         * tree.h (CALL_CANNOT_INLINE_P): Remove.
1374         * tree-mudflap.c (mf_xform_statements): Do not modify alloca calls.
1375         * builtins.c (expand_builtin_alloca): With -fmudflap do not expand
1376         alloca calls inline.
1377         * cfgexpand.c (expand_call_stmt): Do not set CALL_CANNOT_INLINE_P.
1378         * gimple.c (gimple_build_call_from_tree): Do not read
1379         CALL_CANNOT_INLINE_P.
1380         * gimplify.c (gimplify_call_expr): Do not copy CALL_CANNOT_INLINE_P.
1381
1382 2011-12-05  Jakub Jelinek  <jakub@redhat.com>
1383             Eric Botcazou  <ebotcazou@adacore.com>
1384
1385         PR middle-end/51323
1386         PR middle-end/50074
1387         * calls.c (internal_arg_pointer_exp_state): New variable.
1388         (internal_arg_pointer_based_exp_1,
1389         internal_arg_pointer_exp_scan): New functions.
1390         (internal_arg_pointer_based_exp): New function.
1391         (mem_overlaps_already_clobbered_arg_p): Use it.
1392         (expand_call): Free internal_arg_pointer_exp_state.cache vector
1393         and clear internal_arg_pointer_exp_state.scan_start.
1394
1395 2011-12-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1396
1397         * config/sh/linux.h (TARGET_DEFAULT): Add MASK_SOFT_ATOMIC.
1398         * config/sh/sync.md: New file.
1399         * config/sh/sh.md: Include sync.md.
1400         * config/sh/sh.opt (msoft-atomic): New option.
1401         * doc/invoke.texi (SH Options): Document it.
1402
1403 2011-12-04  Nathan Sidwell  <nathan@acm.org>
1404
1405         * gcov-io.h (struct gcov_info): Replace trailing array with
1406         pointer to array.
1407         * profile.c (branch_prob): Only call renamed
1408         coverage_begin_function once.
1409         * coverage.h (coverage_begin_output): Rename to ...
1410         (coverage_begin_function): ... here.
1411         * coverage.c (struct function_list): Rename to ...
1412         (struct coverage_data): ... this.  Update all uses.
1413         (gcov_info_var, gcov_fn_info_type, gcov_fn_info_ptr_type): New globals.
1414         (bbg_file_opened, bbg_function_announced): Remove.
1415         (get_coverage_counts): Adjust message.
1416         (coverage_begin_ouput): Rename to ...
1417         (coverage_begin_function): ... here.  Move file opening to
1418         coverage_init.  Adjust for being called only once.
1419         (coverage_end_function): Remove bbg file and inhibit further
1420         output here on error.
1421         (build_info_type): Adjust for change to pointer to array.
1422         (build_info): Receive array of function pointers and adjust.
1423         (create_coverage): Break into ...
1424         (coverage_obj_init, coverage_obj_fn, coverage_obj_finish):
1425         ... these, and adjust.
1426         (coverage_init): Open the notes file here.  Tidy.
1427         (coverage_finish): Call coverage_obj_init etc.
1428
1429 2011-12-04  Ira Rosen  <ira.rosen@linaro.org>
1430
1431         PR middle-end/51285
1432         * tree-vect-loop.c (vect_create_epilog_for_reduction): Create exit
1433         phi nodes for outer loop in case of double reduction.
1434
1435 2011-12-04  Jérémie Detrey  <Jeremie.Detrey@loria.fr>
1436
1437         PR target/51393
1438         * config/i386/avxintrin.h (_mm256_insert_epi64): Declare second
1439         parameter as long long.
1440
1441 2011-12-04  Richard Sandiford  <rdsandiford@googlemail.com>
1442
1443         PR middle-end/51351
1444         * optabs.c (init_sync_libfuncs): Use "or" rather than "ior"
1445         in the external names.
1446
1447 2011-12-03  Jack Howarth <howarth@bromo.med.uc.edu>
1448
1449         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Pass -no_pie for
1450         non-PIC code when targeting 10.7 or later.
1451
1452 2011-12-03  Iain Sandoe  <iains@gcc.gnu.org>
1453
1454         * config/darwin.h (STARTFILE_SPEC): Do not use -lbundle1.o when
1455         Darwin >= 10.
1456         (DARWIN_DYLIB1_SPEC): Do not use -ldylib1.10.5.o when Darwin >= 10.
1457         (DARWIN_CRT1_SPEC): Use -lcrt1.10.6.o when Darwin >= 10.
1458
1459 2011-12-03  Jakub Jelinek  <jakub@redhat.com>
1460
1461         * fold-const.c (fold_unary_loc): Fold VEC_UNPACK_LO_EXPR,
1462         VEC_UNPACK_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
1463         VEC_UNPACK_FLOAT_HI_EXPR with VECTOR_CST argument.
1464         (fold_binary_loc): Fold VEC_PACK_TRUNC_EXPR,
1465         VEC_PACK_FIX_TRUNC_EXPR, VEC_WIDEN_MULT_LO_EXPR
1466         and VEC_WIDEN_MULT_HI_EXPR with VECTOR_CST arguments.
1467
1468         PR debug/50317
1469         * tree-ssa.c (target_for_debug_bind): Also allow is_gimple_reg_type
1470         vars that aren't referenced.
1471         (tree-ssa-live.c (remove_unused_locals): Don't clear TREE_ADDRESSABLE
1472         of unreferenced local vars.
1473         * cfgexpand.c (expand_debug_expr): For DEBUG_IMPLICIT_PTR allow also
1474         TREE_ADDRESSABLE vars that satisfy target_for_debug_bind.
1475
1476 2011-12-03  Anatoly Sokolov  <aesok@post.ru>
1477
1478         * config/arm/arm.h (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove.
1479         * config/arm/arm-protos.h (aapcs_libcall_value): Remove.
1480         * config/arm/arm.c (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1481         (arm_libcall_value_1, arm_function_value_regno_p): New function.
1482         (arm_function_value, arm_libcall_value): Use arm_libcall_value_1.
1483         (aapcs_libcall_value): Make static.
1484         (arm_libcall_value): Add static qualifier.
1485
1486 2011-12-02  Jakub Jelinek  <jakub@redhat.com>
1487
1488         PR target/51387
1489         * config/i386/sse.md (mul<mode>3 with VI1_AVX2 iterator): For
1490         V32QImode use { 0,2,..,14,32,34,..,46,16,18,..,30,48,50,..,62 }
1491         permutation instead of extract even permutation.
1492
1493 2011-12-02  Nathan Sidwell  <nathan@acm.org>
1494
1495         * gcov.c (struct arc_info): Add is_throw field.
1496         (struct (block_info): Add exceptional field, reduce flags size to
1497         account for it.
1498         (struct function_info): Add has_catch field.
1499         (struct line_info): Add unexceptional field.
1500         (process_file): Call find_exception_blocks if necessary.
1501         (read_graph_file): Adjust.  Note if an exceptional edge is seen.
1502         (find_exception_blocks): New.
1503         (add_line_counts): Set line's unexceptional flag if not exceptional.
1504         (output_branch_count): Note exceptional arcs, lines and blocks.
1505         * gcov-dump.c (tag_arcs): Decode arc flags.
1506         * doc/gcov.texi: Document '=====' lines.
1507
1508 2011-12-02  Anatoly Sokolov  <aesok@post.ru>
1509
1510         * config/ia64/ia64.h (PRINT_OPERAND, PRINT_OPERAND_ADDRESS,
1511         PRINT_OPERAND_PUNCT_VALID_P): Remove macros.
1512         * config/ia64/ia64-protos.h (ia64_print_operand,
1513         ia64_print_operand_address): Remove.
1514         * config/ia64/ia64.c (TARGET_PRINT_OPERAND,
1515         TARGET_PRINT_OPERAND_ADDRESS, TARGET_PRINT_OPERAND_PUNCT_VALID_P):
1516         Define.
1517         (ia64_print_operand_punct_valid_p): New function.
1518         (ia64_print_operand, ia64_print_operand_address): Make static.
1519
1520 2011-12-02  Michael Meissner  <meissner@the-meissners.org>
1521
1522         PR target/51390
1523         * config/rs6000/rs6000.c (def_builtin): Use the correct field to
1524         figure out the function's attributes.
1525         (struct builtin_description): Mark mask field as const since we no
1526         longer need to modify it for SPE and PAIRED builtins.
1527
1528 2011-12-02  Joseph Myers  <joseph@codesourcery.com>
1529
1530         Revert:
1531
1532         2008-09-18  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1533
1534         PR rtl-opt/37451
1535         * loop-doloop.c (doloop_modify): New argument zero_extend_p and
1536         zero extend count after the correction to it is done.
1537         (doloop_optimize): Update call to doloop_modify, don't zero extend
1538         count before call.
1539
1540         2008-11-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1541
1542         PR rtl-opt/37782
1543         * loop-doloop.c (doloop_modify): Add from_mode argument that says what
1544         mode count is in.
1545         (doloop_optimize): Update call to doloop_modify.
1546
1547 2011-12-02  Richard Guenther  <rguenther@suse.de>
1548
1549         PR lto/47259
1550         * ipa.c (varpool_externally_visible_p): Register variables
1551         are always externally visible.
1552
1553 2011-12-02  Sameera Deshpande  <sameera.deshpande@arm.com>
1554
1555         * gimple-pretty-print.c (dump_gimple_call): Dereference fn only if
1556           non-NULL.
1557
1558 2011-12-02  Martin Jambor  <mjambor@suse.cz>
1559
1560         PR tree-optimization/50622
1561         * tree-sra.c (load_assign_lhs_subreplacements): Force gimple operand
1562         if both lacc and racc are grp_partial_lhs.
1563
1564 2011-12-01  Kaz Kojima  <kkojima@gcc.gnu.org>
1565
1566         PR target/50814.
1567         * config/sh/sh.c (expand_ashiftrt): Handle TARGET_SH2A same as
1568         TARGET_SH3.
1569         (shl_sext_kind): Likewise.
1570         * config/sh/sh.h (SH_DYNAMIC_SHIFT_COST): Likewise.
1571         * config/sh/sh.md (ashlsi3_sh2a, ashrsi3_sh2a, lshrsi3_sh2a): Remove.
1572         (ashlsi3_std): Handle TARGET_SH2A same as TARGET_SH3.
1573         (ashlsi3): Likewise.
1574         (ashrsi3_d): Likewise.
1575         (lshrsi3_d): Likewise.
1576         (lshrsi3): Likewise.
1577
1578 2011-12-01  Diego Novillo  <dnovillo@google.com>
1579
1580         PR bootstrap/51346
1581         * ipa-inline.c (can_inline_edge_p): If the edge E has a statement,
1582         use the statement's inline indicator instead of E's.
1583         Remove consistency check.
1584
1585 2011-12-01  Diego Novillo  <dnovillo@google.com>
1586
1587         PR bootstrap/51346
1588         Revert
1589
1590         2011-11-29  Diego Novillo  <dnovillo@google.com>
1591
1592         * gimple.c (gimple_call_set_cannot_inline): Move from gimple.h.
1593         Update field call_stmt_cannot_inline_p from call
1594         graph edge, if needed.
1595         * gimple.h (gimple_call_set_cannot_inline): Move to gimple.c.
1596
1597 2011-12-01  Nathan Sidwell  <nathan@acm.org>
1598
1599         PR gcov-profile/51113
1600         * coverage.c (build_var): Keep coverage variables static.
1601
1602 2011-12-01  Jakub Jelinek  <jakub@redhat.com>
1603
1604         PR tree-optimization/51356
1605         * tree-vect-patterns.c (vect_recog_bool_pattern): Give up if
1606         vectype doesn't have VECTOR_MODE_P.
1607
1608         PR debug/50317
1609         * tree-ssa-dce.c (remove_dead_stmt): Add a debug stmt when removing
1610         as unnecessary a store to a variable with gimple reg type.
1611         * tree-ssa-live.c (remove_unused_locals): Clear TREE_ADDRESSABLE bit
1612         on local unreferenced variables.
1613         * cfgexpand.c (expand_gimple_basic_block): Don't emit DEBUG_INSNs
1614         for !target_for_debug_bind variables.
1615
1616 2011-12-01  Patrick Marlier  <patrick.marlier@gmail.com>
1617
1618         PR middle-end/51273
1619         * cgraph.h (cgraph_call_node_duplication_hooks): Declare.
1620         * cgraph.c (cgraph_call_node_duplication_hooks): Make global.
1621         * cgraphunit.c (cgraph_copy_node_for_versioning): Call it.
1622
1623 2011-12-01  Andrew Pinski  <apinski@cavium.com>
1624
1625         PR lto/51198
1626         * tree.c (free_lang_data_in_decl): Clear FIELD_DECL's
1627         DECL_INITIAL also.
1628
1629 2011-12-01  Jakub Jelinek  <jakub@redhat.com>
1630
1631         PR tree-optimization/51246
1632         * tree-predcom.c (replace_ref_with): Handle also clobber on the rhs.
1633
1634         PR rtl-optimization/51014
1635         * loop-unroll.c (apply_opt_in_copies): Ignore label DEBUG_INSNs
1636         both from bb and orig_bb.
1637
1638 2011-12-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1639
1640         PR tree-optimization/50802
1641         * tree-vrp.c (simplify_conversion_using_ranges): Rewrite test
1642         considering what happens to ranges during sign changes and/or
1643         intermediate narrowing conversions.
1644
1645 2011-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1646
1647         PR middle-end/50283
1648         * config/pa/pa.md (in_branch_delay): Disallow frame related insns.
1649         (in_nullified_branch_delay): Likewise.
1650         (in_call_delay): Likewise.
1651
1652 2011-11-30  Richard Henderson  <rth@redhat.com>
1653
1654         * predict.c (expr_expected_value_1): Assume compare-and-swap builtin
1655         boolean return is true.
1656
1657 2011-11-30  Jakub Jelinek  <jakub@redhat.com>
1658
1659         PR rtl-optimization/51044
1660         * dse.c (emit_inc_dec_insn_before): Ensure new_insn is an instruction
1661         rather than just insn body.
1662
1663         PR target/50725
1664         * function.c (thread_prologue_and_epilogue_insns): If
1665         stack_realign_drap, add drap_reg to SET_UP_BY_PROLOGUE
1666         regset.
1667
1668         PR middle-end/51089
1669         * tree-eh.c (cleanup_empty_eh_merge_phis): Add check to
1670         avoid creating duplicate edges here.
1671         (cleanup_empty_eh_unsplit): And remove it in the caller.
1672
1673 2011-11-30  Andrew Pinski  <apinski@cavium.com>
1674
1675         PR c/51321
1676         * c-parser.c (c_parser_postfix_expression): Check groktypename results
1677         before looking at the main variant.
1678
1679 2011-11-30  Jakub Jelinek  <jakub@redhat.com>
1680
1681         PR rtl-optimization/48721
1682         * sched-deps.c (sched_analyze_insn): For SIBLING_CALL_P set
1683         reg_pending_barrier to TRUE_BARRIER.
1684
1685         PR rtl-optimization/48721
1686         * sched-ebb.c (begin_move_insn): Insert empty unreachable
1687         block after BARRIER if insn is followed by it.
1688
1689 2011-11-30  Richard Henderson  <rth@redhat.com>
1690
1691         * config/sparc/sparc-opts.h (enum sparc_memory_model_type): New.
1692         * config/sparc/sparc.opt (mmemory-model=): New option.
1693         * doc/invoke.texi (Sparc Options): Document it.
1694         * config/sparc/sparc.c (sparc_option_override): Provide default
1695         for sparc_memory_model.
1696         (sparc_emit_membar_for_model): Omit barrier combinations that are
1697         implied by the memory model.
1698
1699 2011-11-30  Richard Henderson  <rth@redhat.com>
1700
1701         * config/sparc/sync.md (I124MODE): New mode iterator.
1702         (memory_barrier): Remove.
1703         (atomic_exchangesi): New.
1704         (swapsi): Rename from *swapsi.
1705         (atomic_test_and_set<I124MODE>): New.
1706         (ldstubqi): Rename from *ldstubqi, merge with expander.
1707         (ldstub<I24MODE>): Rename from *ldstub<I24MODE>, merge with expander.
1708         (sync_lock_test_and_setsi): Remove.
1709         (sync_lock_test_and_set<I12MODE>): Remove.
1710
1711 2011-11-30  Richard Henderson  <rth@redhat.com>
1712
1713         * config/sparc/constraints.md ("w"): New.
1714         * config/sparc/predicates.md (mem_noofs_operand): New.
1715         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Make static.
1716         Generate the boolean result of the atomic_compare_exchange.
1717         (sparc_expand_compare_and_swap): New.
1718         * config/sparc/sync.md (atomic_compare_and_swap<I>): New.
1719         (atomic_compare_and_swap<I48MODE>_1): Rename from
1720         *sync_compare_and_swap<I48MODE>, use mem_noofs_operand.
1721         (*atomic_compare_and_swapdi_v8plus): Rename from
1722         *sync_compare_and_swapdi_v8plus, use mem_noofs_operand.
1723         (sync_compare_and_swap<I12MODE>): Remove.
1724         (sync_compare_and_swap<I48MODE>): Remove.
1725
1726 2011-11-30  Richard Henderson  <rth@redhat.com>
1727
1728         * config/sparc/predicates.md (register_or_v9_zero_operand): New.
1729         * config/sparc/sparc.md (UNSPEC_ATOMIC): New.
1730         * config/sparc/sync.md (atomic_load<I>): New.
1731         (atomic_loaddi_1, atomic_store<I>, atomic_storedi_1): New.
1732
1733 2011-11-30  Richard Henderson  <rth@redhat.com>
1734
1735         * config/sparc/predicates.md (zero_or_v7_operand): New.
1736         * config/sparc/sparc.c (sparc_emit_membar_for_model): New.
1737         * config/sparc/sparc-protos.h: Update.
1738         * config/sparc/sync.md (mem_thread_fence): New.
1739         (memory_barrier): Use sparc_emit_membar_for_model.
1740         (membar, *membar_empty, *membar_storestore, *membar_storeload): New.
1741         (*membar_v8): Accept and ignore the membar mask.
1742         (*membar): Accept and print the membar mask.
1743
1744 2011-11-30  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1745
1746         * config/arm/arm.c (arm_issue_rate): Cortex-A15 can triple issue.
1747         * config/arm/arm.md (mul64): New attribute.
1748         (generic_sched): Cortex-A15 is not scheduled generically.
1749         (cortex-a15.md): Include.
1750         * config/arm/cortex-a15.md: New machine description.
1751         * config/arm/t-arm (MD_INCLUDES): Add cortex-a15.md.
1752
1753 2011-11-30  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1754
1755         * config/arm/t-arm (MD_INCLUDES): Ensure all md files are listed.
1756
1757 2011-11-30  Iain Sandoe  <iains@gcc.gnu.org>
1758
1759         * doc/tm.texi.in (NEXT_OBJC_RUNTIME): Update macro description.
1760         * doc/tm.texi: Regenerate.
1761         * flags.h (flag_next_runtime): Remove references.
1762         * toplev.c: Likewise.
1763         * defaults.h (NEXT_OBJC_RUNTIME): Provide default.
1764         * gccspec.c (lang_specific_driver): Adjust use of NEXT_OBJC_RUNTIME.
1765         * config/darwin.c (darwin_override_options): Provide default
1766         Objective-C abi settings and target conflict checks.
1767         * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Remove unused
1768         code. Adjust indenting.
1769
1770 2011-11-29  Joseph Myers  <joseph@codesourcery.com>
1771
1772         * config/sh/sh.h (enum reg_class, REG_CLASS_NAMES)
1773         (REG_CLASS_CONTENTS): Add NON_SP_REGS.
1774         (REGCLASS_HAS_GENERAL_REG): Handle NON_SP_REGS.
1775         * config/sh/constraints.md (u): New constraint.
1776
1777 2011-11-29  Oleg Endo  <oleg.endo@t-online.de>
1778
1779         PR target/51337
1780         * config/sh/sh.c (sh_secondary_reload): Add case when FPUL
1781         register is being loaded from a pseudo in memory.
1782
1783 2011-11-29  DJ Delorie  <dj@redhat.com>
1784
1785         * config.gcc (rl78-*-elf): New case.
1786         * doc/extend.texi: Add RL78 documentation.
1787         * doc/invoke.texi: Likewise.
1788         * doc/md.texi: Likewise.
1789         * doc/contrib.texi: Add RL78.
1790         * doc/install.texi: Add rl78-*-elf.
1791         * config/rl78: New directory for the Renesas RL78.
1792
1793 2011-11-29  Jakub Jelinek  <jakub@redhat.com>
1794
1795         PR tree-optimization/51247
1796         * tree-vrp.c (extract_range_from_assert): For signed 1-bit precision
1797         types instead of adding 1 subtract -1 and instead of subtracting 1
1798         add -1 to avoid overflows.
1799
1800 2011-11-29  Andrew MacLeod  <amacleod@redhat.com>
1801
1802         PR target/50123
1803         * optabs.c (maybe_optimize_fetch_op): New.  Look for more optimal
1804         instructions for a FECTH_OP or OP_FECTH sequence.
1805         (expand_atomic_fetch_op): Call maybe_optimize_fetch_op.
1806
1807 2011-11-29  Uros Bizjak  <ubizjak@gmail.com>
1808
1809         * config/i386/sync.md (UNSPEC_LDA, UNSPEC_STA): New unspecs.
1810         (movdi_via_fpu): Remove.
1811         (loaddi_via_fpu): New insn pattern.
1812         (storedi_via_fpu): Ditto.
1813         (atomic_loaddi_fpu): Use loaddi_via_fpu and storedi_via_fpu.
1814         (atomic_storedi_fpu): Ditto.
1815         * reg-stack.c (get_true_reg): Handle UNSPEC_LDA.
1816         (subst_stack_regs_pat): Handle UNSPEC_STA.
1817
1818 2011-11-29  Uros Bizjak  <ubizjak@gmail.com>
1819
1820         * config/i386/i386.md (*floathi<mode>2_i387_with_temp): Do not
1821         allocate scratch memory for alternative 0.
1822
1823 2011-11-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
1824
1825         * config/rs6000/rs6000-builtins.def: Completely rewrite builtin
1826         handling to centralize more of the builtins in this file.  Change
1827         some builtin enumerations to be more consistant.  Use a new mask
1828         to hold the current builtins, including SPE and PAIRED builtins
1829         which no longer are set via target_flags masks.  Add
1830         -mdebug=builtin debug support.  For power machines, define all
1831         Altivec and VSX buitins when the compiler starts, but don't allow
1832         the use of a builtin unless the appropriate switch is used, or
1833         #pragma GCC target is used to change the options.  If the user
1834         uses #pragma GCC target, update the appropriate hardware macros.
1835         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Ditto.
1836         * config/rs6000/rs6000.opt (rs6000_builtin_mask): Ditto.
1837         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Ditto.
1838         (rs6000_define_or_undefine_macro): Ditto.
1839         (rs6000_target_modify_macros): Ditto.
1840         (rs6000_cpu_cpp_builtins): Ditto.
1841         (altivec_overloaded_builtins): Ditto.
1842         (altivec_build_resolved_builtin): Ditto.
1843         * config/rs6000/rs6000.c (rs6000_target_modify_macros_ptr): Ditto.
1844         (rs6000_builtin_info): Ditto.
1845         (def_builtin): Ditto.
1846         (enable_mask_for_builtins): Ditto.
1847         (DEBUG_FMT_X): Ditto.
1848         (rs6000_debug_reg_global): Ditto.
1849         (rs6000_builtin_mask_calculate): Ditto.
1850         (rs6000_option_override_internal): Ditto.
1851         (rs6000_builtin_conversion): Ditto.
1852         (rs6000_builtin_vectorized_function): Ditto.
1853         (bdesc_3arg): Ditto.
1854         (bdesc_dst): Ditto.
1855         (bdesc_2arg): Ditto.
1856         (builtin_description_predicates): Ditto.
1857         (bdesc_altivec_preds): Ditto.
1858         (bdesc_spe_predicates): Ditto.
1859         (bdesc_spe_evsel): Ditto.
1860         (bdesc_paired_preds): Ditto.
1861         (bdesc_abs): Ditto.
1862         (bdesc_1arg): Ditto.
1863         (rs6000_overloaded_builtin_p): Ditto.
1864         (rs6000_expand_unop_builtin): Ditto.
1865         (bdesc_2arg_spe): Ditto.
1866         (spe_expand_builtin): Ditto.
1867         (rs6000_invalid_builtin): Ditto.
1868         (rs6000_expand_builtin): Ditto.
1869         (rs6000_init_builtins): Ditto.
1870         (spe_init_builtins): Ditto.
1871         (paired_init_builtins): Ditto.
1872         (altivec_init_builtins): Ditto.
1873         (builtin_function_type): Ditto.
1874         (rs6000_common_init_builtins): Ditto.
1875         (rs6000_builtin_reciprocal): Ditto.
1876         (rs6000_builtin_mask_names): Ditto.
1877         (rs6000_pragma_target_parse): Ditto.
1878         (rs6000_function_specific_print): Ditto.
1879         * config/rs6000/rs6000.h (MASK_DEBUG_BUILTIN): Ditto.
1880         (MASK_DEBUG_ALL): Ditto.
1881         (TARGET_DEBUG_BUILTIN): Ditto.
1882         (TARGET_EXTRA_BUILTINS): Ditto.
1883         (REGISTER_TARGET_PRAGMAS): Ditto.
1884         (enum rs6000_btc): Ditto.
1885         (RS6000_BTC_*): Ditto.
1886         (RS6000_BTM_*): Ditto.
1887         (enum rs6000_builtins): Ditto.
1888         * config/rs6000/rs6000-protos.h (rs6000_overloaded_builtin_p): Ditto.
1889         (rs6000_target_modify_macros): Ditto.
1890         (rs6000_target_modify_macros_ptr): Ditto.
1891
1892         * config/rs6000/vector.md (unsfloat<VEC_int><mode>2): Use the
1893         standard name for converting vector unsigned values to floating
1894         point.  Delete the TARGET_VECTORIZE_BUILTIN_CONVERSION hook, which
1895         is handled by machine independent code.
1896         * config/rs6000/rs6000.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Ditto.
1897         (rs6000_builtin_conversion): Ditto.
1898
1899 2011-11-29  Dodji Seketeli  <dodji@redhat.com>
1900
1901         * tree-diagnostic (struct loc_t): Rename into struct loc_map_pair.
1902         (maybe_unwind_expanded_macro_loc): Adjust.
1903
1904 2011-11-29  David Edelsohn  <dje.gcc@gmail.com>
1905             Aldy Hernandez  <aldyh@redhat.com>
1906
1907         * trans-mem.c (ipa_tm_create_version_alias): Mangle new_decl
1908         if DECL_ONE_ONLY.
1909         (ipa_tm_create_version): Same.
1910
1911 2011-11-29  Bernd Schmidt  <bernds@codesourcery.com>
1912
1913         * haifa-sched.c (recompute_todo_spec): Simplify and correct the
1914         code checking for a clobber of a condition register when deciding
1915         whether to predicate.
1916
1917 2011-11-29  Diego Novillo  <dnovillo@google.com>
1918
1919         * gimple.c (gimple_call_set_cannot_inline): Move from gimple.h.
1920         Update field call_stmt_cannot_inline_p from call graph edge, if needed.
1921         * gimple.h (gimple_call_set_cannot_inline): Move to gimple.c.
1922
1923 2011-11-29  Sameera Deshpande  <sameera.deshpande@arm.com>
1924
1925         * config/arm/arm.md (arm_movdi): Update NEG_POOL_RANGE.
1926         (movdf_soft_insn): Likewise.
1927         * config/arm/fpa.md (thumb2_movdf_fpa): Likewise.
1928         * config/arm/neon.md (neon_mov<mode>): Likewise.
1929         * config/arm/vfp.md (movdi_vfp): Likewise.
1930         (movdi_vfp_cortexa8): Likewise.
1931         (movdf_vfp): Likewise.
1932
1933 2011-11-29  Jakub Jelinek  <jakub@redhat.com>
1934
1935         PR middle-end/50074
1936         * expr.c (expand_expr_addr_expr_1): Don't call force_operand for
1937         EXPAND_SUM modifier.
1938
1939 2011-11-29  Ira Rosen  <ira.rosen@linaro.org>
1940
1941         PR tree-optimization/51301
1942         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check that
1943         the last statement doesn't convert to a bigger type than the original
1944         type of the computation.
1945
1946 2011-11-28  Richard Henderson  <rth@redhat.com>
1947
1948         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
1949         Handle overlap between retval and oldval.  Always compute boolval
1950         from CR0 EQ value.
1951
1952 2011-11-28  Jakub Jelinek  <jakub@redhat.com>
1953
1954         PR debug/50317
1955         * tree-ssa.c (execute_update_addresses_taken): Remove
1956         var ={v} {CLOBBER} stmts instead of rewriting them into
1957         var_N ={v} {CLOBBER}.
1958
1959         PR middle-end/50907
1960         * function.c (convert_jumps_to_returns): When redirecting an edge
1961         succ to EXIT_BLOCK_PTR, clear EDGE_CROSSING flag.
1962
1963         PR tree-optimization/50078
1964         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Copy over
1965         TREE_THIS_VOLATILE also from the old to new lhs resp. rhs.
1966
1967         PR tree-optimization/50682
1968         * tree-eh.c (maybe_remove_unreachable_handlers): New function.
1969         * tree-flow.h (maybe_remove_unreachable_handlers): New prototype.
1970         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call it.
1971
1972 2011-11-28  Georg-Johann Lay  <avr@gjlay.de>
1973
1974         * doc/extend.texi (AVR Built-in Functions): Add documentation for
1975         __builtin_avr_map8 and __builtin_avr_map16.
1976
1977         * config/avr/avr.md: Document new %t and %T asm output codes.
1978         (define_c_enum "unspec"): Add UNSPEC_MAP_BITS.
1979         (adjust_len): Add map_bits.
1980         (map_bitsqi, map_bitshi): New insns.
1981         * config/avr/avr-protos.h (avr_out_map_bits): New.
1982         * config/avr/avr-protos.c (print_operand): Implement %t and %T.
1983         (adjust_insn_length): Handle ADJUST_LEN_MAP_BITS.
1984         (avr_double_int_push_digit): New function.
1985         (avr_map, avr_revert_map, avr_swap_map, avr_id_map): New functions.
1986         (avr_sig_map, avr_map_hamming_byte): New functions.
1987         (avr_out_swap_bits, avr_out_revert_bits, avr_move_bits,
1988         avr_out_map_bits): New functions.
1989         (enum avr_builtin_id): Add AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1990         (avr_init_builtins): Populate __builtin_avr_map8, __builtin_avr_map16.
1991         (bdesc_2arg): Add __builtin_avr_map8, __builtin_avr_map16 ...
1992         (avr_expand_builtin): ...and expand them.
1993         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1994         __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1995
1996 2011-11-27  Richard Sandiford  <rdsandiford@googlemail.com>
1997
1998         PR target/51278
1999         * config/mips/mips.c (mips_rtx_costs): Handle baddu.
2000
2001 2011-11-27  Richard Sandiford  <rdsandiford@googlemail.com>
2002
2003         * config/mips/mips.c (mips16_unextended_reference_p): Test for BLKmode.
2004
2005 2011-11-27  Richard Sandiford  <rdsandiford@googlemail.com>
2006
2007         * config/mips/mips-protos.h (mips_emit_binary): Declare.
2008         * config/mips/mips.c (mips_emit_binary): Make global.
2009         (mips_set_mips16_mode): Turn off -mfix-r4000 in MIPS16 mode.
2010         (mips_conditional_register_usage): Don't treat LO and HI as
2011         register operands in MIPS16 mode.
2012         (mips_mulsidi3_gen_fn): Use {u,}mulsidi3_{32,64}bit_mips16
2013         for MIPS16 code.
2014         * config/mips/predicates.md (muldiv_target_operand): New predicate.
2015         (move_operand): Allow hilo_operand.
2016         * config/mips/mips.md (mul<mode>3): Explicitly specify LO as the
2017         target of MIPS16 multiplies, then move it into the target register.
2018         (mul<mode>3_internal, *macc2, *msac2): Use muldiv_target_operand.
2019         (<u>mulsidi3_32bit_mips16): New expander.
2020         (<u>mulsidi3_32bit): Use muldiv_target_operand.
2021         (<u>mulsidi3_32bit_r4000): Disable for ISA_HAS_DSP.
2022         (<u>mulsidi3_64bit): Require !TARGET_MIPS16.  Split into
2023         <u>mulsidi3_64bit_split.
2024         (<u>mulsidi3_64bit_mips16): New expander.
2025         (<u>mulsidi3_64bit_split): Likewise, using expansions from
2026         two previous define_splits.
2027         (<u>mulsidi3_64bit_hilo, *muls<u>_di, <u>msubsidi4): Use
2028         muldiv_target_operand.
2029         (<su>mulsi3_highpart): Use <su>mulsi3_highpart_split for MIPS16 code.
2030         (<su>mulsi3_highpart_internal): Require !TARGET_MIPS16.
2031         Split into <su>mulsi3_highpart_split.
2032         (<su>mulsi3_highpart_split): New expander.
2033         (<su>muldi3_highpart): Turn into a define_expand.
2034         Use <su>muldi3_highpart_split for MIPS16 code.
2035         (<su>muldi3_highpart_internal): Renamed from <su>muldi3_highpart.
2036         Require !TARGET_MIPS16.  Split into <su>muldi3_highpart_split.
2037         (<su>muldi3_highpart_split): New expander.
2038         (<u>mulditi3): Explicitly specify LO as the target of MIPS16
2039         multiplies, then move it into the target register.
2040         (<u>mulditi3_internal, <u>maddsidi4): Use muldiv_target_operand.
2041         (divmod<mode>4, udivmod<mode>4): Turn into define_expands.
2042         Use <u>divmod<mode>4_split for MIPS16 code, then explicitly
2043         move LO into operand 0.
2044         (divmod<mode>4_internal, udivmod<mode>4_internal): Renamed
2045         from <u>divmod<mode>4.  Use muldiv_target_operand.
2046         Require !TARGET_MIPS16.  Split into <u>divmod<mode>4_split.
2047         (<u>divmod<mode>4_split): New expander.
2048         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): Use muldiv_target_operand.
2049         (mfhi<GPR:mode>_<HILO:mode>): Use hilo_operand.
2050
2051 2011-11-27  Richard Sandiford  <rdsandiford@googlemail.com>
2052
2053         * hard-reg-set.h (target_hard_regs): Add x_accessible_reg_set
2054         and x_operand_reg_set.
2055         (accessible_reg_set, operand_reg_set): New macros.
2056         * reginfo.c (init_reg_sets): Initialize accessible_reg_set and
2057         operand_reg_set.
2058         (saved_accessible_reg_set, saved_operand_reg_set): New variables.
2059         (save_register_info): Save them.
2060         (restore_register_info): Restore them.
2061         (init_reg_sets_1): Limit operand_reg_set to accessible_reg_set.
2062         Remove NO_REGS registers from operand_reg_set.  Treat members
2063         of operand_reg_set as fixed.
2064         * recog.c (general_operand): Check operand_reg_set rather than NO_REGS.
2065         (register_operand, nonmemory_operand): Likewise.
2066         * varasm.c (make_decl_rtl): Always use DECL_MODE as the mode of
2067         register variables.  Check accessible_reg_set and operand_reg_set.
2068         * config/mips/mips.c (mips_conditional_register_usage): Remove
2069         inaccessible register from accessible_reg_set, rather than just
2070         making them fixed.
2071
2072 2011-11-27  Gerald Pfeifer  <gerald@pfeifer.com>
2073
2074         * config/pa/pa-linux.h (TARGET_GAS): Remove comment.
2075
2076 2011-11-26  Richard Henderson  <rth@redhat.com>
2077
2078         * config/arm/arm.c (arm_init_libfuncs): Call init_sync_libfuncs
2079         for Linux.
2080
2081 2011-11-26  Richard Henderson  <rth@redhat.com>
2082
2083         * optabs.c (expand_atomic_fetch_op): Always return result.
2084
2085         * optabs.c (init_sync_libfuncs_1): Include max in iteration.
2086
2087         * omp-low.c (expand_omp_atomic): Assume anything aligned to
2088         BIGGEST_ALIGNMENT is aligned.
2089
2090 2011-11-26  Richard Henderson  <rth@redhat.com>
2091
2092         * config/m68k/m68k.md (UNSPECV_CAS_1, UNSPECV_CAS_2): New.
2093         (UNSPECV_TAS_1, UNSPECV_TAS_2): New.
2094         (I): New mode iterator.
2095         (xz): New mode attribute.
2096         * config/m68k/sync.md: New file.
2097
2098         * config/m68k/linux.h (TARGET_INIT_LIBFUNCS): New.
2099         * config/m68k/m68k.c (m68k_init_sync_libfuncs): New.
2100
2101 2011-11-26  Nathan Sidwell  <nathan@acm.org>
2102
2103         PR gcov-profile/51297
2104         * gcov.c (main): Allocate initial names and sources arrays.
2105         (find_source): Don't check for null name or source arrays here.
2106
2107 2011-11-26  Jakub Jelinek  <jakub@redhat.com>
2108
2109         PR rtl-optimization/49912
2110         * cfgrtl.c (rtl_verify_flow_info_1): Ignore also EDGE_PRESERVE bit
2111         when counting n_branch.
2112
2113 2011-11-26  Uros Bizjak  <ubizjak@gmail.com>
2114
2115         * config/i386/sync.md (movdi_via_fpu): Add %Z insn suffixes.
2116
2117 2011-11-26  Joern Rennecke  <joern.rennecke@embecosm.com>
2118
2119         PR middle-end/50074
2120         * calls.c (mem_overlaps_already_clobbered_arg_p):
2121         Return false if no outgoing arguments have been stored so far.
2122
2123 2011-11-25  Georg-Johann Lay  <avr@gjlay.de>
2124
2125         * config/avr/avr.c (print_operand): Support code = 'i' for CONST_INT.
2126
2127 2011-11-24  Andrew MacLeod  <amacleod@redhat.com>
2128
2129         PR other/51011
2130         * tree.h (is_builtin_name): No longer external.
2131         * builtins.c (is_builtin_name): Make static.
2132         * varasm.c (incorporeal_function_p): __sync and __atomic external calls
2133         are not incorporeal and may need asm label processing.
2134
2135 2011-11-25  Georg-Johann Lay  <avr@gjlay.de>
2136
2137         PR target/50566
2138         * config/avr/avr-protos.h (avr_log_t): Add field .builtin.
2139         * config/avr/avr-log.c (avr_log_set_avr_log): Initialize it.
2140         Don't bypass TARGET_ALL_DEBUG.  Print self-info with ?.
2141         (avr_log_vadump): Support %D and %X to print double_int.
2142         (avr_double_int_pop_digit): New static function.
2143         (avr_dump_double_int_hex): New static function.
2144
2145 2011-11-24  Enkovich Ilya  <ilya.enkovich@intel.com>
2146
2147         PR target/51287
2148         * config/i386/i386.c (distance_non_agu_define_in_bb): Fix insn
2149         attr check.
2150
2151 2011-11-24  Andrew MacLeod  <amacleod@redhat.com>
2152
2153         * optab.c (maybe_emit_atomic_exchange): New.  Try to emit an
2154         atomic_exchange pattern.
2155         (maybe_emit_sync_lock_test_and_set): New.  Try to emit an exchange
2156         using __sync_lock_test_and_set.
2157         (maybe_emit_compare_and_swap_exchange_loop): New. Try to emit an
2158         exchange using a compare_and_swap loop.
2159         (expand_sync_lock_test_and_set): New.  Expand sync_lock_test_and_set.
2160         (expand_atomic_test_and_set): New.  Expand test_and_set operation.
2161         (expand_atomic_exchange): Use new maybe_emit_* functions.
2162         (expand_atomic_store): Use new maybe_emit_* functions.
2163         * builtins.c (expand_builtin_sync_lock_test_and_set): Call
2164         expand_sync_lock_test_and_set routine.
2165         (expand_builtin_atomic_exchange): Remove parameter from call.
2166         (expand_builtin_atomic_clear): Use atomic_clear pattern if present.
2167         (expand_builtin_atomic_test_and_set): Add target and simply call
2168         expand_atomic_test_and_set.
2169         (expand_builtin): Add target to expand_builtin_atomic_test_and_set.
2170         * expr.h (expand_atomic_exchange): Add parameter.
2171         (expand_sync_lock_test_and_set): New prototype.
2172         (expand_atomic_test_and_set, expand_atomic_clear): New prototypes.
2173
2174 2011-11-24  H.J. Lu  <hongjiu.lu@intel.com>
2175
2176         PR target/51134
2177         * config/i386/i386.h (processor_costs): Revert revision 181357.
2178         * config/i386/i386.c (cost models): Likewise.
2179         (core_cost): Likewise.
2180         (promote_duplicated_reg): Likewise.
2181         (promote_duplicated_reg_to_size): Likewise.
2182         (processor_target): Likewise.
2183         (expand_set_or_movmem_via_loop_with_iter): Likewise.
2184         (expand_set_or_movmem_via_loop): Likewise.
2185         (emit_strset): Likewise.
2186         (expand_movmem_epilogue): Likewise.
2187         (expand_setmem_epilogue): Likewise.
2188         (expand_movmem_prologue): Likewise.
2189         (expand_setmem_prologue): Likewise.
2190         (expand_constant_movmem_prologue): Likewise.
2191         (expand_constant_setmem_prologue): Likewise.
2192         (decide_alg): Likewise.
2193         (decide_alignment): Likewise.
2194         (ix86_expand_movmem): Likewise.
2195         (ix86_expand_setmem): Likewise.
2196         (ix86_slow_unaligned_access): Likewise.
2197         * config/i386/i386.md (strset): Likewise.
2198         * config/i386/sse.md (vec_dupv4si): Likewise.
2199         (vec_dupv2di): Likewise.
2200
2201 2011-11-24  Georg-Johann Lay  <avr@gjlay.de>
2202
2203         * config/avr/avr.md (*rotlhi2.15): Set length to 4.
2204
2205 2011-11-24  Razya Ladelsky  <razya@il.ibm.com>
2206
2207         * tree-data-ref.c (initialize_data_dependence_relation): Update
2208         comment for the self dependence case.
2209         (compute_self_dependence): Remove.
2210         * tree-vect-data-refs.c (vect_analyze_data_refs): Remove call to
2211         compute_self_dependenc.
2212
2213 2011-11-24  Alan Modra  <amodra@gmail.com>
2214
2215         * c-decl.c (warn_if_shadowing): Don't warn if shadowed
2216         identifier is from system header.
2217
2218 2011-11-23  Jakub Jelinek  <jakub@redhat.com>
2219
2220         PR target/51261
2221         * config/i386/i386.c (decide_alg): Initialize *dynamic_check
2222         even if !optimize.
2223
2224 2011-11-23  Vladimir Makarov  <vmakarov@redhat.com>
2225
2226         PR rtl-optimization/48455
2227         * doc/invoke.texi (-fira-region): Document default values.
2228
2229         * flags-types.h (enum ira_region): Add new value
2230         IRA_REGION_AUTODETECT.
2231
2232         * common.opt (fira-region): Set up initial value to
2233         IRA_REGION_AUTODETECT.
2234
2235         * toplev.c (process_options): Set up flag_ira_region depending on
2236         -O options.
2237
2238         * ira.c (ira.c): Remove optimize guard for ira_build.
2239
2240 2011-11-23  Chung-Lin Tang  <cltang@codesourcery.com>
2241
2242         PR rtl-optimization/50496
2243         * jump.c (redirect_jump): Assert fail on nlabel == NULL_RTX
2244         only after epilogue is created. Add comments.
2245
2246 2011-11-22  Richard Henderson  <rth@redhat.com>
2247
2248         * config/ia64/ia64.c (ia64_expand_atomic_op): Add model parameter.
2249         Generate the barrier required for the memory model.
2250         (rtx_needs_barrier): Handle UNSPEC_FETCHADD_REL, UNSPEC_CMPXCHG_REL.
2251         * config/ia64/ia64-protos.h: Update.
2252         * config/ia64/ia64.md (UNSPEC_FETCHADD_REL): New.
2253         (UNSPEC_CMPXCHG_REL): New.
2254         * config/ia64/sync.md (mem_thread_fence): New.
2255         (atomic_load<IMODE>, atomic_store<IMODE>): New.
2256         (atomic_compare_and_swap<IMODE>): New.
2257         (cmpxchg_acq_<I124MODE>, cmpxchg_acq_di): New.
2258         (atomic_exchange<IMODE>): New.
2259         (xchg_acq_<IMODE>): Rename from sync_lock_test_and_set<IMODE>.
2260         (atomic_<FETCHOP><IMODE>, atomic_nand<IMODE>): New.
2261         (atomic_fetch_<FETCHOP><IMODE>, atomic_fetch_nand<IMODE>): New.
2262         (atomic_<FETCHOP>_fetch<IMODE>, atomic_nand_fetch<IMODE>): New.
2263         (fetchadd_rel_<I48MODE>): New.
2264         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): Remove.
2265         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): Remove.
2266         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): Remove.
2267         (sync_compare_and_swap<IMODE>): Remove.
2268         (sync_lock_release<IMODE>): Remove.
2269
2270         * config/ia64/ia64.md: Use define_c_enum for UNSPEC_*
2271         and UNSPECV_* constants.
2272
2273 2011-11-22  Tom de Vries  <tom@codesourcery.com>
2274
2275         PR rtl-optimization/50764
2276         * sched-deps.c (sched_analyze_insn): Make sure frame-related insns are
2277         not moved past preceding jump.
2278
2279 2011-11-22  Jeff Law  <law@redhat.com>
2280
2281         * doc/contrib.texi: Add entry for David Binderman.
2282
2283 2011-11-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2284
2285         * postreload.c (reload_combine): Mark reg_state as invalid at
2286         volatile insns if there has been a use already.
2287
2288 2011-11-21  Aldy Hernandez  <aldyh@redhat.com>
2289
2290         * opts.c (finish_options): Do not fail for -fgnu-tm.
2291         * gimple-streamer-out.c (output_gimple_stmt): Handle
2292         GIMPLE_TRANSACTION.
2293         * gimple-streamer-in.c (input_gimple_stmt): Same.
2294         * lto-cgraph.c (input_overwrite_node): Read tm_clone bit.
2295         (lto_output_node): Write tm_clone bit.
2296
2297 2011-11-22  Ian Lance Taylor  <iant@google.com>
2298
2299         * doc/install.texi (Configuration): Correct doc of
2300         --enable-build-poststage1-with-cxx: it is not experimental.
2301
2302 2011-11-22  Jakub Jelinek  <jakub@redhat.com>
2303
2304         PR tree-optimization/51074
2305         * fold-const.c (fold_binary_loc): Fix up VEC_INTERLEAVE_*_EXPR
2306         handling for BYTES_BIG_ENDIAN.
2307         * optabs.c (can_vec_perm_for_code_p): Likewise.
2308
2309 2011-11-22  Michael Matz  <matz@suse.de>
2310
2311         PR other/51125
2312         * trans-mem.c (expand_block_tm): Ignore clobbers.
2313
2314 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
2315
2316         *  config/darwin.h (ENDFILE_SPEC): New.
2317         (DARWIN_CRT1_SPEC): Add crttms.o.
2318         (STARTFILE_SPEC): Likewise for dynamic libs and bundles.
2319         * config/i386.h (ENDFILE_SPEC): Amend to include crttme.o.
2320
2321 2011-11-22  Michael Matz  <matz@suse.de>
2322
2323         PR c++/51264
2324         * tree.c (iterative_hash_expr): Remove break after return.
2325
2326 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
2327
2328         * target.def (tm_clone_table_section): New hook.
2329         * doc/tm.texi.in (TARGET_ASM_TM_CLONE_TABLE_SECTION): Define.
2330         * doc/tm.texi: Regenerate.
2331         * varasm.c (dump_tm_clone_pairs): Use target tm_clone_table_section.
2332         * output.h (default_clone_table_section): New prototype.
2333         * config/darwin.h (TARGET_ASM_TM_CLONE_TABLE_SECTION): New.
2334         * config/darwin-protos.h (darwin_tm_clone_table_section): New prototype.
2335         * config/darwin.c (darwin_tm_clone_table_section): New.
2336
2337 2011-11-21  Torvald Riegel  <triegel@redhat.com>
2338
2339         * trans-mem.c (diagnose_tm_1): Print an expression instead of a
2340         declaration in error messages for indirect calls.
2341
2342 2011-11-21  David S. Miller  <davem@davemloft.net>
2343
2344         * config/sparc/sparc.c (sparc_regmode_natural_size): New function
2345         implementing REGMODE_NATURAL_SIZE taking into consideration vector
2346         modes.
2347         (sparc_modes_tieable_p): Similarly for MODES_TIEABLE_P.
2348         * config/sparc/sparc-protos.h (sparc_regmode_natural_size,
2349         sparc_modes_tieable_p): Declare.
2350         * gcc/config/sparc/sparc.h (REGMODE_NATURAL_SIZE,
2351         MODES_TIEABLE_P): Use new helper functions.
2352
2353         Revert
2354         2011-11-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2355
2356         PR middle-end/50325
2357         * expmed.c (store_bit_field_1): Use extract_bit_field on big
2358         endian targets if the source cannot be exactly covered by word
2359         mode chunks.
2360
2361 2011-11-21  Jakub Jelinek  <jakub@redhat.com>
2362
2363         PR debug/50827
2364         * var-tracking.c (loc_cmp): For ENTRY_VALUEs use ENTRY_VALUE_EXP
2365         macro instead of XEXP.
2366
2367 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
2368
2369         * configure: Regenerate.
2370
2371 2011-11-21  Georg-Johann Lay  <avr@gjlay.de>
2372
2373         * config/avr/avr.c (output_reload_in_const): Loading a byte with 0
2374         must not affect cc0.
2375         * config/avr/avr.md (*movhi, *movpsi, *movsi, *movsf): Zero to any
2376         register does not change cc0. Same for any constant to ld-register.
2377
2378 2011-11-21  Uros Bizjak  <ubizjak@gmail.com>
2379
2380         * config/i386/mmx.md (unspec) <UNSPEC_MOVNTQ, UNSPEC_PFRCP,
2381         UNSPEC_PFRCPIT1, UNSPEC_PFRCPIT2, UNSPEC_PFRSQRT, UNSPEC_PFRSQIT1>:
2382         Move from config/i386/i386.md
2383         (unspecv) <UNSPECV_EMMS, UNSPECV_FEMMS>: Ditto.
2384         * config/i386/sse.md (unspec) <UNSPEC_MOVNT,UNSPEC_MOVU, UNSPEC_LDDQU,
2385         UNSPEC_PSHUFB, UNSPEC_PSIGN, UNSPEC_PALIGNR, UNSPEC_EXTRQI,
2386         UNSPEC_EXTRQ, UNSPEC_INSERTQI, UNSPEC_INSERTQ, UNSPEC_BLENDV,
2387         UNSPEC_INSERTPS, UNSPEC_DP, UNSPEC_MOVNTDQA, UNSPEC_MPSADBW,
2388         UNSPEC_PHMINPOSUW, UNSPEC_PTEST, UNSPEC_PCMPESTR, UNSPEC_PCMPISTR,
2389         UNSPEC_FMADDSUB, UNSPEC_XOP_UNSIGNED_CMP, UNSPEC_XOP_TRUEFALSE,
2390         UNSPEC_XOP_PERMUTE, UNSPEC_FRCZ, UNSPEC_AESENC, UNSPEC_AESENCLAST,
2391         UNSPEC_AESDEC, UNSPEC_AESDECLAST, UNSPEC_AESIMC,
2392         UNSPEC_AESKEYGENASSIST, UNSPEC_PCLMUL, UNSPEC_PCMP, UNSPEC_VPERMIL,
2393         UNSPEC_VPERMIL2, UNSPEC_VPERMIL2F128, UNSPEC_CAST, UNSPEC_VTESTP,
2394         UNSPEC_VCVTPH2PS, UNSPEC_VCVTPS2PH, UNSPEC_VPERMSI, UNSPEC_VPERMDF,
2395         UNSPEC_VPERMSF, UNSPEC_VPERMTI, UNSPEC_GATHER, UNSPEC_VSIBADDR>: Ditto.
2396         (unspecv) <UNSPECV_LDMXCSR, UNSPECV_STMXCSR, UNSPECV_CLFLUSH,
2397         UNSPECV_MONITOR, UNSPECV_MWAIT, UNSPECV_VZEROALL, UNSPECV_VZEROUPPER>:
2398         Ditto.
2399         * config/i386/sync.md (unspec) <UNSPEC_LFENCE, UNSPEC_SFENCE,
2400         UNSPEC_MFENCE, UNSPEC_MOVA>: Ditto.
2401         (unspecv) <UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2, UNSPECV_CMPXCHG_3,
2402         UNSPECV_CMPXCHG_4, UNSPECV_XCHG, UNSPECV_LOCK>: Ditto.
2403         (sse2_lfence): Move from config/i386/sse.md.
2404         (*sse2_lfence): Ditto.
2405         (sse_sfence): Ditto.
2406         (*sse_sfence): Ditto.
2407         (sse2_mfence): Ditto.
2408         (mfence_sse2): Ditto.  Rename from *sse2_mfence.  Enable also
2409         for TARGET_64BIT.
2410         (mem_thread_fence): Use mfence_sse2.
2411
2412 2011-11-21  Georg-Johann Lay  <avr@gjlay.de>
2413
2414         * config/avr/avr.h (struct base_arch_s): Add field sfr_offset.
2415         * config/avr/avr-devices.c: Ditto. And initialize it.
2416         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in define
2417         __AVR_SFR_OFFSET__.
2418         * config/avr/avr-protos.h (out_movqi_r_mr, out_movqi_mr_r): Remove.
2419         (out_movhi_r_mr, out_movhi_mr_r): Remove.
2420         (out_movsi_r_mr, out_movsi_mr_r): Remove.
2421         * config/avr/avr.md (*cbi, *sbi): Use %i instead of %m-0x20.
2422         (*insv.io, *insv.not.io): Ditto.
2423         * config/avr/avr.c (out_movsi_r_mr, out_movsi_mr_r): Make static.
2424         (print_operand): Implement "%i" to print address as I/O address.
2425         (output_movqi): Clean up call of out_movqi_mr_r.
2426         (output_movhi): Clean up call of out_movhi_mr_r.
2427         (avr_file_start): Use avr_current_arch->sfr_offset instead of
2428         magic -0x20. Use TMP_REGNO, ZERO_REGNO instead of 0, 1.
2429         (avr_out_sbxx_branch): Use %i instead of %m-0x20.
2430         (out_movqi_r_mr, out_movqi_mr_r): Ditto. And make static.
2431         (out_movhi_r_mr, out_movhi_mr_r): Ditto. And use avr_asm_len.
2432         (out_shift_with_cnt): Clean up code: Use avr_asm_len.
2433         (output_movsisf): Use output_reload_insisf for all CONSTANT_P sources.
2434         (avr_out_movpsi): USE avr_out_reload_inpsi for all CONSTANT_P sources.
2435         Clean up call of avr_out_store_psi.
2436         (output_reload_in_const): Don't cut symbols longer than 2 bytes.
2437         (output_reload_insisf): Filter CONST_INT_P or CONST_DOUBLE_P to
2438         try if setting pre-cleared register is advantageous.
2439         (avr_out_plus_1): Use gen_int_mode instead of GEN_INT.
2440
2441 2011-11-20  Joey Ye  <joey.ye@arm.com>
2442
2443         * expr.c (expand_expr_real_1): Correctly handle strict volatile
2444         bitfield loads smaller than mode size.
2445
2446 2011-11-20  Richard Henderson  <rth@redhat.com>
2447
2448         * config/mips/mips.c (mips_init_libfuncs): Call init_sync_libfuncs.
2449
2450 2011-11-20  Uros Bizjak  <ubizjak@gmail.com>
2451
2452         PR target/51235
2453         * config/i386/i386.c (ix86_expand_vcond): Generate TARGET_XOP
2454         patterns for supported mode only.
2455
2456         PR target/51236
2457         * config/i386/i386.c (ix86_expand_builtin)
2458         <IX86_BUILTIN_GATHERALTSIV4DI>: Use CODE_FOR_avx2_gathersiv4di.
2459
2460 2011-11-20  Uros Bizjak  <ubizjak@gmail.com>
2461
2462         * config/i386/i386.md (UNSPEC_MOVNTI): Remove.
2463         (UNSPEC_MOVNTQ): New unspec.
2464         * config/i386/mmx.md (sse_movntq): Rename from sse_movntdi.
2465         Use UNSPEC_MOVNTQ instead of UNSPEC_MOVNT.
2466         * config/i386/sse.md (sse2_movnti<mode>): Use UNSPEC_MOVNT instead of
2467         UNSPEC_MOVNTI.
2468         (STORENT_MODE): Add DI and V4DI modes.
2469
2470 2011-11-20  Nathan Sidwell  <nathan@acm.org>
2471
2472         PR gcov-profile/51113
2473         * coverage.c (build_var): Propagate visibility for public
2474         decls.  Use make_decl_one_only for PIC correctness.
2475
2476         testsuite/
2477         * gcc.misc-tests/gcov-13.c: Check gcovpart-13b coverage
2478         * gcc.misc-tests/gcov-16.c: New.
2479         * gcc.misc-tests/gcov-17.c: New.
2480         * g++.dg/gcov/gcov-8.C: New.
2481         * g++.dg/gcov/gcov-9.C: New.
2482         * g++.dg/gcov/gcov-10.C: New.
2483
2484 2011-11-19  Eric Botcazou  <ebotcazou@adacore.com>
2485
2486         PR rtl-optimization/51187
2487         * reorg.c (relax_delay_slots): Do not consider a jump useless if there
2488         is a barrier between the jump and its target label.
2489
2490 2011-11-19  Patrick Marlier  <patrick.marlier@gmail.com>
2491
2492         PR middle-end/51211
2493         * tracer.c (ignore_bb_p): Don't copy GIMPLE_TRANSACTION.
2494
2495 2011-11-19  Eric Botcazou  <ebotcazou@adacore.com>
2496
2497         * expmed.c (store_bit_field_1): Revert bogus formatting change.
2498
2499 2011-11-19  Richard Earnshaw  <rearnsha@arm.com>
2500
2501         PR target/50493
2502         * config/arm/arm.c (neon_disambiguate_copy): Correctly handle partial
2503         overlap of src and dest operands.
2504
2505 2011-11-19  Iain Sandoe  <iains@gcc.gnu.org>
2506
2507         * config/darwin.h (ASM_DEBUG_SPEC): New.
2508         * config/darwin9.h (ASM_DEBUG_SPEC): New.
2509
2510 2011-11-18  Jan Hubicka  <jh@suse.cz>
2511
2512         * config/i386/i386.c (atom_cost): Disable SSE loop until alignment
2513         issues are fixed.
2514
2515 2011-11-18  Anatoly Sokolov  <aesok@post.ru>
2516
2517         * config/cris/cris.c (cris_function_value_regno_p): Make static.
2518         (TARGET_FUNCTION_VALUE_REGNO_P): Define.
2519         * config/cris/cris.h (FUNCTION_VALUE_REGNO_P): Remove.
2520         * config/cris/cris-protos.h (cris_function_value_regno_p): Remove.
2521
2522 2011-11-18  H.J. Lu  <hongjiu.lu@intel.com>
2523
2524         PR target/33944
2525         * doc/extend.texi: Document __builtin_ia32_movnti64.
2526
2527         * config/i386/emmintrin.h (_mm_stream_si64): New.
2528
2529         * config/i386/i386-builtin-types.def: Add VOID_FTYPE_PLONGLONG_LONGLONG.
2530
2531         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTI64.
2532         (bdesc_special_args): Update __builtin_ia32_movnti.  Add
2533         __builtin_ia32_movnti64.
2534         (ix86_expand_special_args_builtin): Handle
2535         VOID_FTYPE_PLONGLONG_LONGLONG.
2536
2537         * config/i386/i386.md (UNSPEC_MOVNTI): New.
2538
2539         * config/i386/sse.md (sse2_movntsi): Renamed to ...
2540         (sse2_movnti<mode>): This.
2541
2542 2011-11-18  Georg-Johann Lay  <avr@gjlay.de>
2543
2544         PR target/49868
2545         * config/avr/avr.h (base_arch_s): Add field n_segments.
2546         (ADDR_SPACE_PGM1, ADDR_SPACE_PGM2, ADDR_SPACE_PGM3,
2547         ADDR_SPACE_PGM4, ADDR_SPACE_PGM5, ADDR_SPACE_PGMX): New address spaces.
2548         (AVR_HAVE_ELPM, AVR_HAVE_ELPMX): New defines.
2549         (INIT_EXPANDERS): New define.
2550         * config/avr/avr-protos.h (avr_mem_pgmx_p): New.
2551         (avr_init_expanders): New.
2552         (avr_emit_movmemhi, avr_out_movmem): New.
2553         (avr_xload_libgcc_p): New.
2554         * config/avr/avr-c.c (avr_register_target_pragmas): Register
2555         address spaces __pgm1, __pgm2,  __pgm3,  __pgm4  __pgm5,  __pgmx.
2556         (avr_cpu_cpp_builtins): Add built-in defines __PGM1,
2557         __PGM2, __PGM3, __PGM4, __PGM5, __PGMX.
2558         * config/avr/avr-devices.c (avr_arch_types): Set field n_segments.
2559
2560         * config/avr/avr.c (AVR_SECTION_PROGMEM): Change define to cover
2561         3 bits instead of just 1.
2562         (xstring_empty, xstring_e, rampz_rtx): New static GTYed variables.
2563         (progmem_section): Change from section to array of sections.
2564         (progmem_section_prefix): New static variable.
2565         (avr_file_start): Print set for __RAMPZ__
2566         (avr_option_override): Move initialization of RTXes from here...
2567         (avr_init_expanders): ...to this new function.
2568         (avr_pgm_segment): New static function.
2569         (avr_decl_pgm_p): Handle error_mark_node.
2570         (avr_mem_pgmx_p, avr_decl_pgmx_p): New static functions.
2571         (avr_out_xload, avr_find_unused_d_reg): New static functions.
2572         (expand_prologue, expand_epilogue): Use rampz_rtx.
2573         (print_operand): Hande CONST_STRING.
2574         (avr_xload_libgcc_p): New static function.
2575         (avr_out_lpm_no_lpmx, avr_out_lpm): Handle ELPM.
2576         (avr_progmem_p): Return 2 for 24-bit flash address space.
2577         (avr_out_sbxx_branch): Clean-up code from ASn macros.
2578         (out_movqi_r_mr, out_movqi_mr_r): Ditto. And recognize RAMPZ's
2579         address and print symbolically.
2580         (avr_asm_named_section, avr_section_type_flags,
2581         avr_encode_section_info, avr_asm_select_section,
2582         avr_addr_space_address_mode, avr_addr_space_pointer_mode,
2583         avr_addr_space_legitimate_address_p, avr_addr_space_convert,
2584         avr_addr_space_legitimize_address): Handle new address spaces.
2585         (avr_output_progmem_section_asm_op): New static function.
2586         (avr_asm_init_sections): Initialize progmem_section[].
2587         (adjust_insn_length): Handle ADJUST_LEN_XLOAD, ADJUST_LEN_MOVMEM.
2588         (avr_const_address_lo16): New static function.
2589         (avr_assemble_integer): Use it to handle 3-byte integers.
2590         (avr_emit_movmemhi, avr_out_movmem): New functions.
2591
2592         * config/avr/predicates.md (nox_general_operand): Handle new
2593         address spaces.
2594         * config/avr/avr.md (unspec): Add UNSPEC_MOVMEM.
2595         (adjust_len): Add xload, movmem.
2596         (SP_ADDR): New define_constants.
2597         (isa): Add "lpm", "lpmx", "elpm", "elpmx".
2598         (enabled): Handle them.
2599         (load<mode>_libgcc): New expander.
2600         (*load.<mode>.libgcc): Rename to load_<mode>_libgcc.
2601         (xload8_A, xload<mode>_A): New insn-and-splits.
2602         (xload_8, xload_<mode>_libgcc, xload_<mode>, loadmem_elpm): New insns.
2603         (mov<mode>): Handle new address spaces.
2604         (movmemhi): Rewrite using avr_emit_movmemhi.
2605         (MOVMEM_r_d): New mode attribute.
2606         (movmem_<mode>, movmem_qi_elpm): New insns.
2607         (setmemhi, *clrmemqi, *clrmemhi, strlenhi, *strlenhi): Unquote
2608         C-code.  Use label instead of hard-coded instrunction lengths.
2609
2610 2011-11-18  Martin Jambor  <mjambor@suse.cz>
2611
2612         PR tree-optimization/50605
2613         * gimple.c (is_gimple_ip_invariant_address): Also handle MEM_REFs
2614         of IPA invariant decls.
2615
2616 2011-11-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2617
2618         * tree-outof-ssa.c (insert_back_edge_copies):  Add call to
2619         mark_dfs_back_edges.
2620
2621 2011-11-18  Iain Sandoe  <iains@gcc.gnu.org>
2622
2623         PR target/49992
2624         * configure.ac: Remove ranlib special-casing for Darwin.
2625         * configure: Regenerate.
2626
2627 2011-11-18  Uros Bizjak  <ubizjak@gmail.com>
2628
2629         PR tree-optimization/51118
2630         * fold-const.c (fold_checksum_tree): Check for TS_TYPED structure
2631         before using TREE_TYPE accessor on expr.
2632
2633 2011-11-17  Jan Hubicka  <jh@suse.cz>
2634
2635         PR bootstrap/51134
2636         * i386.c (atom_cost): Fix 32bit memset description.
2637         (expand_set_or_movmem_via_loop_with_iter): Output proper bounds check
2638         for epilogue loops.
2639         (expand_movmem_epilogue): Handle epilogues up to size 15 w/o producing
2640         byte loop.
2641         (decide_alg): sse_loop is not useable wthen SSE2 is disabled;
2642         when not optimizing always use rep movsb or lincall; do not produce
2643         word sized loops when optimizing memset for size (to avoid need
2644         for large constants).
2645         (ix86_expand_movmem): Get into sync with ix86_expand_setmem;
2646         choose unroll factors better; always do 128bit moves when producing
2647         SSE loops; do not produce loopy epilogue when size is too small.
2648         (promote_duplicated_reg_to_size): Do not look into desired alignments
2649         when doing vector expansion.
2650         (ix86_expand_setmem): Track better when promoted value is available;
2651         choose unroll factors more sanely. Output loopy epilogue only
2652         when needed.
2653
2654 2011-11-17  Steve Ellcey  <sje@cup.hp.com>
2655
2656         PR middle-end/51144
2657         * output.h (fprint_w): Remove.
2658         * final.c (fprint_w): Remove.
2659         (output_addr_const): Change fprint_w back to fprintf.
2660
2661 2011-11-17  Andrew Pinski  <apinski@cavium.com>
2662
2663         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for MIPS.
2664
2665 2011-11-17  Andrew MacLeod  <amacleod@redhat.com>
2666
2667         * builtins.c (expand_builtin): Remove 4th parameter representing
2668         weak/strong mode when __atomic_compare_exchange becomes a library call.
2669
2670 2011-11-17  Richard Henderson  <rth@redhat.com>
2671
2672         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap): Get
2673         new pseudo for target after convert_modes.
2674         (rs6000_expand_atomic_exchange, rs6000_expand_atomic_op): Likewise.
2675
2676 2011-11-17  Richard Henderson  <rth@redhat.com>
2677
2678         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap): Get
2679         new pseudo for target after convert_modes.
2680         (rs6000_expand_atomic_exchange, rs6000_expand_atomic_op): Likewise.
2681
2682 2011-11-17  Richard Henderson  <rth@redhat.com>
2683
2684         * builtins.c (expand_builtin_mem_thread_fence): Remove.
2685         (expand_builtin_mem_signal_fence): Remove.
2686         (expand_builtin_atomic_thread_fence): Use expand_mem_thread_fence.
2687         (expand_builtin_sync_synchronize): Likewise.
2688         (expand_builtin_atomic_signal_fence): Use expand_mem_signal_fence.
2689         * optabs.c (expand_asm_memory_barrier): Split out from
2690         expand_builtin_mem_signal_fence.
2691         (expand_mem_thread_fence): New, a combination of code from
2692         expand_builtin_mem_thread_fence and expand_builtin_sync_synchronize.
2693         (expand_mem_signal_fence): Moved and renamed from
2694         expand_builtin_mem_signal_fence.
2695         (expand_atomic_exchange): Use expand_mem_thread_fence.
2696         (expand_atomic_load, expand_atomic_store): Likewise.
2697         * expr.h, optabs.h: Update decls.
2698
2699 2011-11-17  Bin Cheng  <bin.cheng@arm.com>
2700
2701         PR rtl-optimization/50663
2702         * cprop.c (implicit_set_indexes): New global variable.
2703         (insert_set_in_table): Add additional parameter and record implicit
2704         set information.
2705         (hash_scan_set): Add additional parameter and pass it to above.
2706         (hash_scan_insn): Pass false to hash_scan_set.
2707         (compute_hash_table_work): Pass true to hash_scan_set.
2708         (compute_cprop_data): Add implicit set to AVIN of block which the
2709         implicit set is recorded for.
2710         (one_cprop_pass): Handle implicit_set_indexes array.
2711
2712 2011-11-17  Michael Matz  <matz@suse.de>
2713
2714         PR middle-end/50644
2715         PR middle-end/50741
2716         * tree-ssa-live.c (mark_all_vars_used_1): Recurse only for decls of
2717         current function.
2718         (remove_unused_locals): Ditto.
2719
2720 2011-11-16  Richard Henderson  <rth@redhat.com>
2721
2722         * config/alpha/alpha.c (alpha_split_compare_and_swap_12): Copy
2723         ALIAS_SET_MEMORY_BARRIER when creating a new memory.
2724         (alpha_split_atomic_exchange_12): Likewise.
2725         * config/rs6000/rs6000.c (rs6000_adjust_atomic_subword): Likewise.
2726
2727 2011-11-16  Joseph Myers  <joseph@codesourcery.com>
2728
2729         * config/i386/i386elf.h (PREFERRED_DEBUGGING_TYPE): Remove.
2730
2731 2011-11-16  David Edelsohn  <dje.gcc@gmail.com>
2732
2733         * config/rs6000/rs6000.c (rs6000_xcoff_section_type_flags):
2734         Default to minimum alignment if decl is NULL.
2735
2736 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
2737
2738         * config/i386/sse.md (round<mode>2_vec_pack_sfix): Optimize V2DFmode
2739         sequence for AVX.
2740         (<sse4_1>_round<ssemodesuffix>_vec_pack_sfix<avxsizesuffix>): Ditto.
2741
2742 2011-11-16  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2743
2744         * doc/invoke.texi: Document AMD bdver1 and btver1.
2745
2746 2011-11-16  Richard Earnshaw  <rearnsha@arm.com>
2747             Bernd Schmidt <bernds@coudesourcery.com>
2748             Sebastian Huber <sebastian.huber@embedded-brains.de>
2749
2750         PR target/49641
2751         * config/arm/arm.c (store_multiple_sequence): Avoid cases where
2752         the base reg is stored iff compiling for Thumb1.
2753
2754 2011-11-16  Razya Ladelsky  <razya@il.ibm.com>
2755
2756         PR tree-optimization/49960
2757         * tree-data-ref.c (initialize_data_dependence_relation): Add
2758         initializations.
2759         Remove call to compute_self_dependence.
2760         (compute_affine_dependence): Remove the !DDR_SELF_REFERENCE condition.
2761         (compute_self_dependence): Remove old code. Add call to
2762         compute_affine_dependence.
2763         (compute_all_dependences): Remove call to compute_self_dependence.
2764         Add call to compute_affine_dependence.
2765
2766 2011-11-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2767
2768         PR middle-end/50325
2769         * expmed.c (store_bit_field_1): Use extract_bit_field on big
2770         endian targets if the source cannot be exactly covered by word
2771         mode chunks.
2772
2773 2011-11-15  Joseph Myers  <joseph@codesourcery.com>
2774
2775         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Change STRING_LIMIT to
2776         ELF_STRING_LIMIT.
2777
2778 2011-11-15  Richard Henderson  <rth@redhat.com>
2779
2780         * config/alpha/alpha.c (alpha_pre_atomic_barrier): New.
2781         (alpha_post_atomic_barrier): New.
2782         (alpha_split_atomic_op): New memmodel argument; honor it.
2783         (alpha_split_compare_and_swap): Take array of operands.  Honor
2784         memmodel; always set bool output
2785         (alpha_expand_compare_and_swap_12): Similarly.
2786         (alpha_split_compare_and_swap_12): Similarly.
2787         (alpha_split_atomic_exchange): Similarly.  Rename from
2788         alpha_split_lock_test_and_set.
2789         (alpha_expand_atomic_exchange_12): Similarly.  Rename from
2790         alpha_expand_lock_test_and_set_12.
2791         (alpha_split_atomic_exchange_12): Similarly.  Rename from
2792         alpha_split_lock_test_and_set_12.
2793         * config/alpha/alpha-protos.h: Update.
2794         * config/alpha/alpha.md (UNSPECV_CMPXCHG): New.
2795         * config/alpha/constraints.md ("w"): New.
2796         * config/alpha/predicates.md (mem_noofs_operand): New.
2797         * config/alpha/sync.md (atomic_compare_and_swap<mode>): Rename from
2798         sync_compare_and_swap<mode>; add the new parameters.
2799         (atomic_exchange<mode>): Update from sync_test_and_set<mode>.
2800         (atomic_fetch_<op><mode>): Update from sync_old_<op><mode>.
2801         (atomic_<op>_fetch<mode>): Update from sync_new_<op><mode>.
2802         (atomic_<op><mode>): Update from sync_<op><mode>.
2803
2804 2011-11-16  Tom de Vries  <tom@codesourcery.com>
2805
2806         * tree-ssa-tail-merge.c (replace_block_by): Add frequency of bb2 to bb1.
2807
2808 2011-11-16  Alan Modra  <amodra@gmail.com>
2809
2810         PR rtl-optimization/51051
2811         PR bootstrap/51086
2812         * function.c (thread_prologue_and_epilogue_insns): Guard
2813         emitting return with single_succ_p test.
2814
2815 2011-11-15  Joern Rennecke  <joern.rennecke@embecosm.com>
2816
2817         * config/epiphany/epiphany.md (mov<mode>cc): Fix code to
2818         get mode from CMP_OP1 if CMP_OP0 is VOIDmode.
2819
2820 2011-11-15  Uros Bizjak  <ubizjak@gmail.com>
2821
2822         * config/i386/sse.md (vec_pack_trunc_v2df): Optimize sequence for AVX.
2823         (vec_pack_sfix_trunc_v2df): Ditto.
2824         (vec_pack_sfix_v2df): Ditto.
2825         (vec_pack_sfix_trunc_v4df): Generate fix_truncv4dfv4si2 and
2826         avx_vec_concatv8si patterns.
2827         (vec_pack_sfix_v4df): Generate avx_cvtpd2dq256 and
2828         avx_vec_concatv8si patterns.
2829
2830 2011-11-15  Torvald Riegel  <triegel@redhat.com>
2831
2832         * c-parser.c (c_parser_transaction_expression): Require parentheses
2833         when parsing transaction expressions.
2834
2835 2011-11-15  Tristan Gingold  <gingold@adacore.com>
2836
2837         * incpath.c (get_added_cpp_dirs): New function.
2838         * incpath.h (get_added_cpp_dirs): Declare.
2839         * config/vms/vms-c.c (vms_c_register_includes): New function.
2840         (vms_std_modules): New variable.
2841         * config/vms/vms.h (TARGET_EXTRA_INCLUDES): Define.
2842         (vms_c_register_includes): Declare.
2843
2844 2011-11-15  Tristan Gingold  <gingold@adacore.com>
2845
2846         * c-family/c-pragma.h (pragma_extern_prefix): Declare.
2847         * c-family/c-pragma.c (pragma_extern_prefix): Make it public.
2848         * config/vms/vms-c.c (saved_extern_prefix): New variable.
2849         (vms_pragma_extern_prefix): New function.
2850         (vms_c_register_pragma): Register vms_pragma_extern_prefix.
2851
2852 2011-11-15  Georg-Johann Lay  <avr@gjlay.de>
2853
2854         PR target/49868
2855         * config/avr/avr.h (ADDR_SPACE_PGM): New address spaces.
2856         (REGISTER_TARGET_PRAGMAS): New define.
2857         * config/avr/avr-protos.h (avr_mem_pgm_p): New.
2858         (avr_load_libgcc_p): New.
2859         (avr_register_target_pragmas): New.
2860         (asm_output_external_libcall): Remove.
2861         (avr_log_t): Add field "progmem".  Order alphabetically.
2862         * config/avr/avr-log.c (avr_log_set_avr_log): Set avr_log.progmem.
2863         * config/avr/avr-c.c (langhooks.h): New include.
2864         (avr_register_target_pragmas): New function. Register address
2865         space __pgm.
2866         (avr_cpu_cpp_builtins): Add built-in define __PGM.
2867
2868         * config/avr/avr.c: Include "c-family/c-common.h".
2869         (TARGET_LEGITIMATE_ADDRESS_P): Remove define.
2870         (TARGET_LEGITIMIZE_ADDRESS): Remove define.
2871         (TARGET_ADDR_SPACE_SUBSET_P): Define to...
2872         (avr_addr_space_subset_p): ...this new static function.
2873         (TARGET_ADDR_SPACE_CONVERT): Define to...
2874         (avr_addr_space_convert): ...this new static function.
2875         (TARGET_ADDR_SPACE_ADDRESS_MODE): Define to...
2876         (avr_addr_space_address_mode): ...this new static function.
2877         (TARGET_ADDR_SPACE_POINTER_MODE): Define to...
2878         (avr_addr_space_pointer_mode): ...this new static function.
2879         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Define to...
2880         (avr_addr_space_legitimate_address_p): ...this new static function.
2881         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Define to...
2882         (avr_addr_space_legitimize_address): ...this new static function.
2883         (avr_mode_code_base_reg_class): Handle address spaces.
2884         (avr_regno_mode_code_ok_for_base_p): Ditto.
2885         (lpm_addr_reg_rtx, lpm_reg_rtx, all_regs_rtx): New static variables.
2886         (avr_option_override): Initialize them.
2887         (output_reload_in_const): Use all_regs_rtx. Fix signedness of loop
2888         variables.
2889         (avr_pgm_segment): New static function.
2890         (avr_decl_pgm_p, avr_mem_pgm_p): New static functions.
2891         (avr_out_lpm, avr_out_lpm_no_lpmx): New static functions.
2892         (output_movqi, output_movhi, output_movsisf, avr_out_movpsi): Call
2893         avr_out_lpm to handle loads from progmem.
2894         (avr_load_libgcc_p): New static function.
2895         (avr_progmem_p): Test if decl is in flash.
2896         (avr_pgm_pointer_const_p): New static function.
2897         (avr_nonconst_pointer_addrspace): New static function.
2898         (avr_pgm_check_var_decl): New static function.
2899         (avr_insert_attributes): Use it.  Change error message to report
2900         cause (progmem or address space) when code wants to write to flash.
2901         (avr_section_type_flags): Unset section flag SECTION_BSS for
2902         data in progmem.
2903
2904         * config/avr/predicates.md (nop_general_operand): New predicate.
2905         (nox_general_operand): New predicate.
2906         * config/avr/avr.md (LPM_REGNO): New define_constant.
2907         (load<mode>_libgcc): New expander.
2908         (*load.<mode>.libgcc): New insn.
2909         (mov<mode>): Handle loads from non-generic AS.
2910         (movmemhi): Ditto.  Propagate address space information to newly
2911         created MEM.
2912         (movqi_insn, *movhi, *movpsi, *movsi, *movsf): Change predicate #1
2913         to nox_general_operand.
2914         (ashrqi3, ashrhi3, ashrsi3): Change predicate #1 to
2915         nop_general_operand.
2916         (ashlqi3, *ashlqi3, ashlhi3, ashlsi3): Ditto.
2917         (lshrqi3, *lshrqi3, lshrhi3, lshrsi3): Ditto.
2918         (split-lpmx): New split.
2919         (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
2920         *lshrhi3_const, *lshrsi3_const): Indent, unquote C.
2921
2922 2011-11-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
2923
2924         * ipa-cp.c (ipa_value_from_jfunc): Make global.
2925         (ipa_cst_from_jfunc): Remove, use ipa_value_from_jfunc instead.
2926         (get_indirect_edge_target): Rename, make global.
2927         (devirtualization_time_bonus, estimate_local_effects,)
2928         (ipcp_discover_new_direct_edges): Update.
2929         * ipa-inline-analysis.c (evaluate_conditions_for_edge):
2930         Generalize to also handle types.  Rename to ...
2931         (evaluate_properties_for_edge): Use instead of
2932         evaluate_conditions_for_edge.
2933         (estimate_edge_devirt_benefit): New function.
2934         (estimate_calls_size_and_time): Use it.
2935         (estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,)
2936         (inline_merge_summary): Update.
2937         (do_estimate_edge_time, do_estimate_edge_growth): Update.  Calculate
2938         parameter information at the call site and pass it on to subroutines.
2939         * tree-inline.c (estimate_num_insns): Distinguish between direct and
2940         indirect calls.
2941         (init_inline_once): Set size and time costs or indirect calls.
2942         * tree-inline.h (eni_weights): Add indirect_call_cost.
2943
2944 2011-11-15  Tom de Vries  <tom@codesourcery.com>
2945
2946         PR tree-optimization/51005
2947         * tree-ssa-tail-merge.c (delete_basic_block_same_succ): Rename to
2948         mark_basic_block_deleted.
2949         (update_worklist): Inline purge_bbs.
2950         (purge_bbs, unlink_virtual_phi, update_vuses, vop_at_entry)
2951         (delete_block_update_dominator_info): Remove.
2952         (replace_block_by): Remove update_vops parameter.  Partially evaluate
2953         for update_vops == false.
2954         (apply_clusters): Remove update_vops parameter.  Remove update_vops
2955         argument in replace_block_by call.
2956         (update_debug_stmts): Remove MAY_HAVE_DEBUG_STMTS test.
2957         (tail_merge_optimize): Remove update_vops argument to apply_clusters.
2958         Remove call to purge_bbs.  Add calls to calculate_dominance_info and
2959         free_dominance_info.  Add MAY_HAVE_DEBUG_STMTS  before calling
2960         update_debug_stmts.  Mark vop var for renaming, if necessary.
2961
2962 2011-11-15  Bernd Schmidt  <bernds@codesourcery.com>
2963
2964         PR rtl-optimization/51051
2965         * cfgrtl.c (cfg_layout_can_merge_blocks_p): Return FALSE if the
2966         move would cause fallthrough into the exit block.
2967
2968 2011-11-14  Richard Henderson  <rth@redhat.com>
2969
2970         * config/rs6000/rs6000.c (emit_load_locked): Assert the mode is
2971         handled.
2972         (emit_store_conditional): Likewise.
2973         (rs6000_pre_atomic_barrier, rs6000_post_atomic_barrier): New.
2974         (rs6000_adjust_atomic_subword): New.
2975         (rs6000_mask_atomic_subword, rs6000_finish_atomic_subword): New.
2976         (rs6000_expand_atomic_op): Rename from rs6000_emit_sync; rewrite
2977         for pre-reload expansion.
2978         (rs6000_split_compare_and_swap, rs6000_split_compare_and_swapqhi,
2979         rs6000_expand_compare_and_swapqhi): Merge into ...
2980         (rs6000_expand_atomic_compare_and_swap): ... here.  New function.
2981         rs6000_split_lock_test_and_set; expand immediately.  Handle
2982         QImode and HImode.
2983         * config/rs6000/rs6000.md (UNSPEC_LWSYNC): Move and rename
2984         from UNSPECV_LWSYNC.
2985         * config/rs6000/sync.md (fetchopsi_constr, fetchopdi_constr): Remove.
2986         (mem_thread_fence): New.
2987         (hwsync): Rename from memory_barrier.
2988         (*hwsync): Rename from *sync_internal.
2989         (lwsync, *lwsync): Mirror hwsync implementation.
2990         (isync): Don't reference memory.
2991         (loadsync): New.
2992         (atomic_load<INT>, atomic_store<INT>): New.
2993         (ATOMIC): New mode iterator.
2994         (load_locked<ATOMIC>): Rename from load_locked_<GPR>.
2995         (store_conditional<ATOMIC>): Rename from store_conditional_<GPR>.
2996         (sync_compare_and_swap<GPR>): Remove.
2997         (sync_compare_and_swaphi, sync_compare_and_swapqi): Remove.
2998         (sync_compare_and_swapqhi_internal): Remove.
2999         (sync_lock_test_and_set<GPR>): Remove.
3000         (sync_<FETCHOP><INT1>): Remove.
3001         (*sync_<FETCHOP>si_internal, *sync_<FETCHOP>di_internal): Remove.
3002         (sync_nand<INT1>, *sync_nand<GPR>_internal): Remove.
3003         (sync_old_<FETCHOP><GPR>): Remove.
3004         (*sync_old_<FETCHOP>si_internal): Remove.
3005         (*sync_old_<FETCHOP>di_internal): Remove.
3006         (sync_old_nand<INT1>): Remove.
3007         (*sync_old_nand<GPR>_internal): Remove.
3008         (sync_new_<FETCHOP><GPR>): Remove.
3009         (*sync_new_<FETCHOP>si_internal): Remove.
3010         (*sync_new_<FETCHOP>di_internal): Remove.
3011         (sync_new_nand<INT1>): Remove.
3012         (*sync_new_nand<GPR>_internal): Remove.
3013         (*atomic_andsi, *atomic_anddi): Remove.
3014         (*sync_addshort_internal, *sync_subshort_internal): Remove.
3015         (*sync_andsi_internal, *sync_boolsi_internal): Remove.
3016         (*sync_boolcshort_internal): Remove.
3017         (sync_lock_release<INT1>): Remove.
3018         (atomic_compare_and_swap<INT1>): New.
3019         (atomic_exchange<INT1>): New.
3020         (atomic_<FETCHOP><INT1>, atomic_nand<INT1>): New.
3021         (atomic_fetch_<FETCHOP><INT1>, atomic_fetch_nand<INT1>): New.
3022         (atomic_<FETCHOP>_fetch<INT1>, atomic_nand_fetch<INT1>): New.
3023
3024 2011-11-14  Uros Bizjak  <ubizjak@gmail.com>
3025
3026         * config/i386/sse.md (round<mode>2): Use register_operand for
3027         operand 1 predicate.
3028         (round<mode>2_sfix): Ditto.
3029         (round<mode>2_vec_pack_sfix): Ditto for operand 1 and operand 2.
3030
3031 2011-11-14  Nathan Sidwell  <nathan@acm.org>
3032
3033         * gcov.c (canonicalize_name): Protect use of S_ISLNK.
3034
3035 2011-11-14  Jan Hubicka  <jh@suse.cz>
3036
3037         PR target/51126
3038         * config/i386/i386.c (core cost model): Correct pasto.
3039
3040 2011-11-14  Uros Bizjak  <ubizjak@gmail.com>
3041
3042         * config/i386/sse.md (round<mode>2_sfix): New expander.
3043         (round<mode>2_vec_pack_sfix): Ditto.
3044         (<sse4_1>_round<ssemodesuffix>_sfix<avxsizesuffix>): Ditto.
3045         (<sse4_1>_round<ssemodesuffix>_vec_pack_sfix<avxsizesuffix>): Ditto.
3046         * config/i386/builtin-types.def (V4SI_FTYPE_V4SF_ROUND,
3047         V8SI_FTYPE_V8SF_ROUND, V4SI_FTYPE_V2DF_V2DF_ROUND,
3048         V8SI_FTYPE_V4DF_V4DF_ROUND): New builtin types.
3049         * config/i386/i386.c (ix86_builtins): Add
3050         IX86_BUILTIN_{FLOORPD,CEILPD,ROUNDPD_AZ}_VEC_PACK_SFIX{,256} and
3051         IX86_BUILTIN_{FLOORPS,CEILPS,ROUNDPS_AZ}_SFIX{,256} defines.
3052         (bdesc_args): Add __builtin_ia32_{floorpd,ceilpd}_vec_pack_sfix{,256},
3053         __builtin_ia32_roundpd_az_vec_pack_sfix{,256},
3054         __builtin_ia32_{floorps,ceilps}_sfix{,256}and
3055         __builtin_ia32_roundps_az_sfix{,256} descriptions.
3056         (ix86_expand_sse_round_vec_pack_sfix): New.
3057         (ix86_expand_args_builtin): Handle V4SI_FTYPE_V4SF_ROUND,
3058         V8SI_FTYPE_V8SF_ROUND, V4SI_FTYPE_V2DF_V2DF_ROUND and
3059         V8SI_FTYPE_V4DF_V4DF_ROUND types.  Check last argument of
3060         CODE_FOR_sse4_1_roundpd_vec_pack_sfix, CODE_FOR_sse4_1_roundps_sfix,
3061         CODE_FOR_avx_roundpd_vec_pack_sfix256 and CODE_FOR_avx_roundps_sfix256.
3062         (ix86_builtin_vectorized_function): Handle
3063         BUILT_IN_{I,L,LL}FLOOR{,F}, BUILT_IN_{I,L,LL}CEIL{,F} and
3064         BUILT_IN_{I,L,LL}ROUND{,F}
3065
3066 2011-11-14  Jan Hubicka  <jh@suse.cz>
3067
3068         PR middle-end/50598
3069         * cgraph.h (varpool_externally_visible_p): Declare.
3070         (varpool_add_new_variable): Declare.
3071         * tree-emultls.c (get_emutls_init_templ_addr,
3072         new_emutls_decl): Use varpool_add_new_variable.
3073         * ipa.c (varpool_externally_visible_p): Export.
3074         * varpool.c (varpool_add_new_variable): New function.
3075
3076 2011-11-14  Michael Zolotukhin  <michael.v.zolotukhin@gmail.com>
3077             Jan Hubicka  <jh@suse.cz>
3078
3079         * config/i386/i386.h (processor_costs): Add second dimension to
3080         stringop_algs array.
3081         * config/i386/i386.c (cost models): Initialize second dimension of
3082         stringop_algs arrays.
3083         (core_cost): New costs based on generic64 costs with updated stringop
3084         values.
3085         (promote_duplicated_reg): Add support for vector modes, add
3086         declaration.
3087         (promote_duplicated_reg_to_size): Likewise.
3088         (processor_target): Set core costs for core variants.
3089         (expand_set_or_movmem_via_loop_with_iter): New function.
3090         (expand_set_or_movmem_via_loop): Enable reuse of the same iters in
3091         different loops, produced by this function.
3092         (emit_strset): New function.
3093         (expand_movmem_epilogue): Add epilogue generation for bigger sizes,
3094         use SSE-moves where possible.
3095         (expand_setmem_epilogue): Likewise.
3096         (expand_movmem_prologue): Likewise for prologue.
3097         (expand_setmem_prologue): Likewise.
3098         (expand_constant_movmem_prologue): Likewise.
3099         (expand_constant_setmem_prologue): Likewise.
3100         (decide_alg): Add new argument align_unknown.  Fix algorithm of
3101         strategy selection if TARGET_INLINE_ALL_STRINGOPS is set; Skip sse_loop
3102         (decide_alignment): Update desired alignment according to chosen move
3103         mode.
3104         (ix86_expand_movmem): Change unrolled_loop strategy to use SSE-moves.
3105         (ix86_expand_setmem): Likewise.
3106         (ix86_slow_unaligned_access): Implementation of new hook
3107         slow_unaligned_access.
3108         * config/i386/i386.md (strset): Enable half-SSE moves.
3109         * config/i386/sse.md (vec_dupv4si): Add expand for vec_dupv4si.
3110         (vec_dupv2di): Add expand for vec_dupv2di.
3111
3112 2011-11-14  Dimitrios Apostolou  <jimis@gmx.net>
3113
3114         PR bootstrap/51094
3115         PR middle-end/51116
3116         * config/elfos.h (TARGET_ASM_INTERNAL_LABEL): Remove.
3117         * varasm.c (default_elf_internal_label): Remove.
3118
3119 2011-11-14  Kai Tietz  <ktietz@redhat.com>
3120
3121         * gcov.c (generate_results): Add missing semicolon and correct indent.
3122
3123 2011-11-14  Ira Rosen  <ira.rosen@linaro.org>
3124
3125         PR bootstrap/51112
3126         * tree-vect-stmts.c (vectorizable_condition): Initialize comp_vectype.
3127
3128 2011-11-14  Mingjie Xing  <mingjie.xing@gmail.com>
3129
3130         * doc/invoke.texi (Wunused-result): Change @pxref{Variable Attributes}
3131         to @pxref{Function Attributes}.
3132
3133 2011-11-13  Oleg Endo  <oleg.endo@t-online.de>
3134
3135         PR target/50694
3136         * config/sh/sh.h (IS_LITTLE_ENDIAN_OPTION, UNSUPPORTED_SH2A):
3137         New macros.
3138         (DRIVER_SELF_SPECS): Use new macros to filter out unsupported options
3139         taking the default configuration into account.
3140
3141 2011-11-13  Jonathan Wakely  <jwakely.gcc@gmail.com>
3142
3143         * doc/install.texi (Specific): Fix anchor for
3144         x86_64-*-solaris2.1[0-9]*.
3145
3146 2011-11-13  Nathan Sidwell  <nathan@acm.org>
3147
3148         * gcov.c (source_prefix, source_length): New globals.
3149         (flag_relative_only): Likewise.
3150         (print_usage, options, process_args): Update.
3151         (generate_results): Use coverage.name, check
3152         flag_relative_only. Adjust messages.
3153         (find_source): Check source_prefix.
3154         (output_lines): Use coverage.name, adjust messages.
3155         * doc/gcov.texi (Invoking Gcov): Document new options.
3156
3157 2011-11-12  Jason Merrill  <jason@redhat.com>
3158
3159         PR c++/51060
3160         * gimplify.c (gimplify_target_expr): Add a clobber to the cleanup.
3161         (gimplify_modify_expr): Don't try to simplify it.
3162
3163 2011-11-12  Dimitrios Apostolou  <jimis@gmx.net>
3164
3165         PR bootstrap/51094
3166         * config/elfos.h (STRING_ASM_OP): Define.
3167         * varasm.c (default_elf_asm_output_limited_string): Use it.
3168
3169         PR bootstrap/51094
3170         * gcc/configure.ac: Check for stpcpy declaration.
3171         * system.h: Declare it if not.
3172         * config.in, configure: Regenerate.
3173
3174 2011-11-12  Richard Henderson  <rth@redhat.com>
3175
3176         * config/rs6000/rs6000.md (fix_trunc<SFDF>si2_stfiwx): Use
3177         nonimmediate_operand for the destination.
3178         (fixuns_trunc<SFDF>si2_stfiwx): Likewise.
3179
3180         * builtins.c (expand_builtin_compare_and_swap): If target is const0,
3181         don't pass the target to expand_atomic_compare_and_swap.
3182         (expand_builtin_atomic_compare_exchange): Likewise.
3183
3184         * config/sh/linux.h (TARGET_INIT_LIBFUNCS): New.
3185         * config/sh/sh.c (sh_init_sync_libfuncs): New.
3186
3187         * config/pa/pa-linux.h (TARGET_SYNC_LIBCALL): New.
3188         * config/pa/pa.h (TARGET_SYNC_LIBCALL): New default.
3189         * config/pa/pa.c (pa_init_libfuncs): Use init_sync_libfuncs.
3190
3191 2011-11-12  Iain Sandoe  <iains@gcc.gnu.org>
3192
3193         PR target/45233
3194         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
3195         Only expand a symbol ref. into an access when the entity is defined
3196         in the TU.
3197
3198 2011-11-12  Jan Hubicka  <jh@suse.cz>
3199
3200         PR bootstrap/50822
3201         * cgraphunit.c (output_weakrefs): Output really only weakrefs.
3202
3203 2011-11-12  Nathan Sidwell  <nathan@acm.org>
3204
3205         * gcov.c (struct name_map): New.
3206         (names, n_names, a_names): New global vars.
3207         (print_usage): Adjust usage.
3208         (generate_results): Canonicalize main file name.
3209         (release_structures): Adjust.
3210         (name_search, name_sort): New callbacks.
3211         (find_source): Look for and create a canonical name.
3212         (canonicalize_name): New.
3213         (make_gcov_file_name): Reimplement and fix mangling.
3214         (mangle_name): New.
3215         * doc/gcov.texi: Update documentation about path preservation.
3216
3217 2011-11-11  David S. Miller  <davem@davemloft.net>
3218
3219         * config/sparc/linux.h (ASM_GENERATE_INTERNAL_LABEL): Delete.
3220         * config/sparc/linux64.h (ASM_GENERATE_INTERNAL_LABEL): Delete.
3221
3222 2011-11-11  Jakub Jelinek  <jakub@redhat.com>
3223
3224         * config/i386/i386-protos.h (ix86_maybe_emit_epilogue_vzeroupper):
3225         New prototype.
3226         * config/i386/i386.c (ix86_maybe_emit_epilogue_vzeroupper): New
3227         function.
3228         (ix86_expand_epilogue): Use it.
3229         * config/i386/i386.md (return, simple_return): Call it in the
3230         expanders.
3231
3232         PR tree-optimization/51091
3233         * tree-stdarg.c (execute_optimize_stdarg): Ignore TREE_CLOBBER_P
3234         rhs also in the va_list_simple_ptr case.
3235
3236         PR tree-optimization/51058
3237         * tree-vect-slp.c (vect_remove_slp_scalar_calls): New function.
3238         (vect_schedule_slp): Call it.
3239         * tree-vect-stmts.c (vectorizable_call): If slp_node != NULL,
3240         don't replace scalar calls with setting of their lhs to zero here.
3241
3242         PR tree-optimization/51074
3243         * fold-const.c (vec_cst_ctor_to_array, fold_vec_perm): New functions.
3244         (fold_binary_loc): Handle VEC_EXTRACT_EVEN_EXPR,
3245         VEC_EXTRACT_ODD_EXPR, VEC_INTERLEAVE_HIGH_EXPR and
3246         VEC_INTERLEAVE_LOW_EXPR with VECTOR_CST or CONSTRUCTOR operands.
3247         (fold_ternary_loc): Handle VEC_PERM_EXPR with VECTOR_CST or
3248         CONSTRUCTOR operands.
3249         * tree-ssa-propagate.c (valid_gimple_rhs_p): Handle ternary
3250         expressions.
3251         * tree-vect-generic.c (lower_vec_perm): Mask sel_int elements
3252         to 0 .. 2 * elements - 1.
3253
3254 2011-11-11  Richard Henderson  <rth@redhat.com>
3255
3256         * gimple-pretty-print.c (dump_gimple_omp_atomic_load): Dump needed.
3257         (dump_gimple_omp_atomic_store): Likewise.
3258         * optabs.c (can_atomic_exchange_p): New.
3259         * optabs.h (can_atomic_exchange_p): Declare.
3260         * omp-low.c (expand_omp_atomic_load): Implement.
3261         (expand_omp_atomic_store): Likewise.
3262         (expand_omp_atomic): Update for new arguments to load/store.
3263
3264 2011-11-11  Eric Botcazou  <ebotcazou@adacore.com>
3265
3266         * cprop.c: Adjust outdated comments throughout.
3267         (hash_scan_set): Rename PAT parameter into SET.
3268         (cprop_pavloc): Rename into...
3269         (cprop_avloc): ...this.
3270         (cprop_absaltered): Rename into...
3271         (cprop_kill): ...this.
3272         (alloc_cprop_mem): Adjust for above renaming.
3273         (free_cprop_mem): Likewise.
3274         (compute_cprop_data): Likewise.
3275         (compute_local_properties): Rename TRANSP parameter into KILL and
3276         adjust throughout.  Rework comments.
3277         (try_replace_reg): Fix long line.
3278         (cprop_jump): Likewise.
3279         (constprop_register): Fix prototype and take INSN last.
3280         (cprop_insn): Adjust calls to above function.  Fix long lines.
3281         (bypass_block): Likewise.
3282         (one_cprop_pass): Likewise.
3283
3284 2011-11-11  Uros Bizjak  <ubizjak@gmail.com>
3285
3286         * config/alpha/elf.h (ELF_ASCII_ESCAPES): Rename from ESCAPES.
3287         (ELF_STRING_LIMIT): Rename from STRING_LIMIT.
3288
3289 2011-11-11  Jason Merrill  <jason@redhat.com>
3290
3291         * varasm.c (default_elf_asm_output_limited_string): #ifdef
3292         ELF_ASCII_ESCAPES.
3293         (default_elf_asm_output_ascii): Likewise.
3294
3295 2011-11-11  Uros Bizjak  <ubizjak@gmail.com>
3296
3297         PR target/50762
3298         * config/i386/constraints.md (j): New address constraint.
3299         * config/i386/predicates.md (lea_address_operand): Redefine as
3300         special predicate.
3301         * config/i386/i386.md (*lea_3_zext): Use "j" constraint for operand 1.
3302         (*lea_4_zext): Ditto.
3303
3304 2011-11-11  David S. Miller  <davem@davemloft.net>
3305
3306         Revert
3307         2011-11-05  David S. Miller  <davem@davemloft.net>
3308
3309         * config/sparc/sparc.md (UNSPEC_SHORT_LOAD): New unspec.
3310         (zero-extend_v8qi_vis, zero_extend_v4hi_vis): New expanders.
3311         (*zero_extend_v8qi_<P:mode>_insn,
3312         *zero_extend_v4hi_<P:mode>_insn): New insns.
3313         * config/sparc/sparc.c (vector_init_move_words,
3314         vector_init_prepare_elts, sparc_expand_vector_init_vis2,
3315         sparc_expand_vector_init_vis1): New functions.
3316         (vector_init_bshuffle): Rewrite to handle more cases and make use
3317         of locs[] array prepared by vector_init_prepare_elts.
3318         (vector_init_fpmerge, vector_init_faligndata): Delete.
3319         (sparc_expand_vector_init): Rewrite using new infrastructure.
3320
3321 2011-11-11  Jakub Jelinek  <jakub@redhat.com>
3322
3323         * opts-common.c (generate_canonical_option): Free opt_text
3324         it it has been allocated here and not stored anywhere.
3325
3326         * tree-vect-slp.c (vect_free_slp_tree): Also free SLP_TREE_CHILDREN
3327         vector.
3328         (vect_create_new_slp_node): Don't allocate node before checking stmt
3329         type.
3330         (vect_free_oprnd_info): Remove FREE_DEF_STMTS argument, always
3331         free def_stmts vectors and additionally free oprnd_info.
3332         (vect_build_slp_tree): Adjust callers.  Call it even if
3333         stop_recursion.  If vect_create_new_slp_node or
3334         vect_build_slp_tree fails, properly handle freeing memory.
3335         If it succeeded, clear def_stmts in oprnd_info.
3336
3337 2011-11-11  Dimitrios Apostolou  <jimis@gmx.net>
3338
3339         * defaults.h (ASM_OUTPUT_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Expand on
3340         multiple lines for readability.
3341         * output.h (fprint_whex, fprint_w, fprint_ul, sprint_ul): Declare.
3342         (ASM_OUTPUT_LABELREF): Call fputs instead of asm_fprintf.
3343         * dwarf2asm.c (dw2_assemble_integer, dw2_asm_output_data,
3344         dw2_asm_data_uleb128, dw2_asm_delta_uleb128,
3345         dw2_asm_delta_sleb128): Convert fprintf calls to the new functions.
3346         * dwarf2out.c (dwarf2out_source_line): Call fprint_ul instead of
3347         fprintf.
3348         * final.c (fprint_whex, fprint_w, fprint_ul, sprint_ul): New functions
3349         serving as fast replacements for fprintf integer to string conversions.
3350         (sprint_ul_rev): Internal helper for the above.
3351         (output_addr_const) <CONST_INT>: Don't use fprintf.
3352         * varasm.c: Fix some whitespace inconsistencies.
3353         (default_elf_asm_output_limited_string): New.
3354         (default_elf_asm_output_ascii): Likewise.
3355         (default_elf_internal_label): Likewise.
3356         * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Use sprint_ul and
3357         stpcpy instead of sprintf.
3358         (TARGET_ASM_INTERNAL_LABEL): Define as default_elf_internal_label.
3359         (ELF_ASCII_ESCAPES, ELF_STRING_LIMIT): Rename from old ESCAPES and
3360         STRING_LIMIT macros.
3361         (ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII): Call functions that
3362         provide the same functionality.
3363         * config/i386/i386.c (print_reg): Call fprint_ul instead of fprintf.
3364
3365 2011-11-10  Andrew MacLeod  <amacleod@redhat.com>
3366
3367         * doc/extend.texi: Document __atomic_test_and_set and __atomic_clear.
3368
3369 2011-11-10  Andrew MacLeod  <amacleod@redhat.com>
3370
3371         PR middle-end/51038
3372         * builtins.c (expand_builtin_atomic_clear): New.  Expand atomic_clear.
3373         (expand_builtin_atomic_test_and_set): New.  Expand atomic test_and_set.
3374         (expand_builtin): Add cases for test_and_set and clear.
3375         * sync-builtins.def (BUILT_IN_ATOMIC_TEST_AND_SET): New.
3376         (BUILT_IN_ATOMIC_CLEAR): New.
3377
3378 2011-11-10  Roberto Agostino Vitillo  <ravitillo@lbl.gov>
3379
3380         PR debug/50983
3381         * dwarf2out.c (set_cur_line_info_table): Restore the last is_stmt
3382         value in the current line table.
3383
3384 2011-11-10  Nathan Sidwell  <nathan@acm.org>
3385
3386         * gcov.c (struct function_info): Make src an index, not a pointer.
3387         (struct source_info): Remove index and next source fields.
3388         (fn_end): New static var.
3389         (sources_index): Remove.
3390         (sources): Now a pointer to an array, not a list.
3391         (n_sources, a_sources): New.
3392         (process_file): Adjust for changes to read_graph_file. Insert
3393         functions into source lists and check line numbers here.
3394         (generate_results): Only allocate lines for sources with
3395         contents.  Adjust for source array.
3396         (release_structures): Likewise.
3397         (find_source): Return source index, adjust for source array.
3398         (read_graph_file): Return function list.  Don't insert into source
3399         lists here.
3400         (read_count_file): Take list of functions.
3401         (solve_flow_graph): Reverse the arc lists here.
3402         (add_line_counts): Adjust for source array.
3403
3404 2011-11-10  Jakub Jelinek  <jakub@redhat.com>
3405
3406         PR middle-end/51077
3407         * tree-object-size.c (addr_object_size): Check TREE_CODE of
3408         MEM_REF's operand rather than code of the MEM_REF itself.
3409
3410 2011-11-10  Andrew MacLeod  <amacleod@redhat.com>
3411
3412         PR rtl-optimization/51040
3413         * optabs.c (expand_atomic_fetch_op): Patchup code for NAND should
3414         be AND followed by NOT.
3415         * builtins.c (expand_builtin_atomic_fetch_op): Patchup code for NAND
3416         should be AND followed by NOT.
3417
3418 2011-11-10  Jakub Jelinek  <jakub@redhat.com>
3419
3420         * vec.h (VEC_BASE): If base is at offset 0 in the structure,
3421         use &(P)->base even if P is NULL.
3422
3423         PR rtl-optimization/51023
3424         * combine.c (simplify_comparison) <case SIGN_EXTEND>: Don't use
3425         val_signbit_known_clear_p for signed comparison narrowing
3426         optimization.  Don't check for non-VOIDmode, use
3427         HWI_COMPUTABLE_MODE_P macro.
3428         <case ZERO_EXTEND>: Don't check for non-VOIDmode.
3429         Optimize even when const_op is equal to GET_MODE_MASK (mode),
3430         don't optimize if const_op is negative.
3431
3432 2011-11-10  Richard Guenther  <rguenther@suse.de>
3433
3434         PR tree-optimization/51042
3435         * tree-ssa-pre.c (phi_translate_1): Avoid recursing on
3436         self-referential expressions.  Refactor code to avoid duplication.
3437
3438 2011-11-10  Richard Guenther  <rguenther@suse.de>
3439
3440         PR tree-optimization/51070
3441         * tree-loop-distribution.c (generate_builtin): Do not replace
3442         the loop with a builtin if the partition contains statements which
3443         results are used outside of the loop.
3444         (pass_loop_distribution): Verify and collect.
3445
3446 2011-11-10  Richard Guenther  <rguenther@suse.de>
3447
3448         PR tree-optimization/51030
3449         * tree-ssa-phiopt.c (jump_function_from_stmt): New function.