gcc/ChangeLog

   1 2012-02-10  Jason Merrill  <jason@redhat.com>
   2
   3         PR c++/51910
   4         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
   5         (demangle_new_symbols): Fill it.
   6         (scan_linker_output): Walk it.
   7         (start_tweaking): Split out from scan_linker_output.
   8         (maybe_tweak): Update sym->chosen.
   9         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
  10
  11 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
  12
  13         PR debug/52132
  14         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
  15         get_true_reg.
  16
  17 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
  18
  19         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
  20         having the same mode as previous compare.
  21
  22 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
  23
  24         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
  25         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
  26         (nonlocal_goto_internal): Likewise.
  27         (nonlocal_goto): Emit a use and an indirect jump directly.
  28
  29 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
  30
  31         PR c/52190
  32         * doc/extend.texi : Update comments for __atomic_compare_exchange and
  33         __atomic_{is,always}_lock_free.
  34
  35 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
  36
  37         PR target/52146
  38         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
  39         negative constant address for x32.
  40
  41 2012-02-10  Richard Henderson  <rth@redhat.com>
  42
  43         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
  44         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
  45         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
  46
  47 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
  48             Ira Rosen  <irar@il.ibm.com>
  49
  50         PR tree-optimization/50031
  51         * targhooks.c (default_builtin_vectorization_cost): Handle
  52         vec_promote_demote.
  53         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
  54         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
  55         all types of reduction and pattern statements.
  56         (vect_estimate_min_profitable_iters): Likewise.
  57         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
  58         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
  59         for explicit realigns.
  60         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
  61         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
  62         vec_promote_demote.
  63         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
  64         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
  65         vec_perm for VSX and handle vec_promote_demote.
  66
  67 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
  68
  69         PR middle-end/52177
  70         * builtins.c (fold_builtin_atomic_always_lock_free,
  71         expand_builtin_atomic_always_lock_free,
  72         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
  73         Return and/or test boolean_true_node/boolean_false_node instead of
  74         integer_one_node/integer_zero_node.
  75
  76 2012-02-10  Jan Hubicka  <jh@suse.cz>
  77
  78         PR middle-end/48600
  79         * predict.c (predict_paths_for_bb): Prevent looping.
  80         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
  81
  82 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
  83
  84         * config/arm/arm.c (output_move_double): In one case properly
  85         count number of instructions that will be emitted.
  86
  87 2012-02-10  Richard Guenther  <rguenther@suse.de>
  88
  89         PR translation/52193
  90         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
  91
  92 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
  93
  94         PR middle-end/52140
  95         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
  96
  97 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
  98
  99         PR debug/52165
 100         * var-tracking.c (emit_note_insn_var_location): If
 101         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
 102         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
 103         non-NOTE_DURING_CALL_P insn.
 104
 105 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
 106
 107         PR middle-end/51867
 108         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
 109
 110 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
 111
 112         PR driver/48524
 113         * gcc.c (switch_matches) Support switches with separated form,
 114         -D and -U.
 115
 116 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
 117
 118         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
 119         (SP_ADDR): Ditto.
 120         (RAMPZ_ADDR): Ditto.
 121         * config/avr/avr.c (avr_addr_t): New typedef.
 122         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
 123         (avr_init_expanders): Initialize it.
 124         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
 125         SREG_ADDR.
 126         (expand_epilogue): Ditto.
 127         (avr_print_operand): Ditto.
 128         (avr_file_start): Ditto.
 129         (avr_emit_movmemhi): Ditto.
 130
 131 2012-02-08  Richard Guenther  <rguenther@suse.de>
 132
 133         PR tree-optimization/46886
 134         * tree-flow.h (do_while_loop_p): Declare.
 135         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
 136         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
 137
 138 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
 139
 140         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
 141         always succeed for integers larger than a native word.
 142
 143 2012-02-08  Richard Guenther  <rguenther@suse.de>
 144
 145         PR rtl-optimization/52170
 146         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
 147         properly handle integer vector modes.
 148
 149 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
 150
 151         PR gcov-profile/52150
 152         * coverage.c: Include target.h.
 153         (build_var): Call targetm.strip_name_encoding on the assembler name.
 154         Change one _ into . or $ if the target allows it.
 155         * Makefile.in (coverage.o): Depend on $(TARGET_H).
 156
 157         PR rtl-optimization/52139
 158         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
 159         is a BARRIER after emit_insn_after_noloc, move BB_END
 160         to the last non-BARRIER insn before it.
 161
 162 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
 163
 164         PR middle-end/24306
 165         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
 166         (mips_gimplify_va_arg_expr): Call it instead of
 167         std_gimplify_va_arg_expr.
 168
 169 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
 170
 171         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
 172         message for -mno-pointers-to-nested-function.
 173
 174 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
 175
 176         PR middle-end/51994
 177         * expr.c (get_inner_reference): If there is an offset, add a negative
 178         bit position to it (if any).
 179
 180 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
 181
 182         PR rtl-optimization/52060
 183         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
 184         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
 185         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
 186         and/or i0src_copy2 when needed.
 187
 188 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
 189
 190         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
 191         or LTOPLUGINSONAME if have_c.
 192
 193         * config/freebsd-spec.h: Add comment about what macros can be defined
 194         in this header.
 195         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
 196         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
 197         here instead.
 198
 199 2012-02-07  Richard Guenther  <rguenther@suse.de>
 200
 201         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
 202         newline in -alias dumps.
 203
 204 2012-02-07  Kai Tietz  <ktietz@redhat.com>
 205             Dave Korn  <dave.korn.cygwin@gmail.com>
 206
 207         PR target/40068
 208         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
 209         Take care that typinfo gets dllexport-attribute.
 210
 211 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
 212
 213         PR middle-end/52074
 214         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
 215         if modifier < EXPAND_SUM call force_operand on the result.
 216
 217 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
 218
 219         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
 220         adding __forwarder_dst__ prefix if a forwarder_section attribute is
 221         present.
 222         (epiphany_function_type): Replace types for specific interrupts with
 223         EPIPHANY_FUNCTION_INTERRUPT.
 224         (EPIPHANY_INTERRUPT_P): Update.
 225         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
 226         New static function.
 227         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
 228         <disinterrupt>: Affects type identity.
 229         (epiphany_handle_interrupt_attribute): Handle variable number of
 230         arguments.
 231         (epiphany_compute_function_type): Update for new
 232         epiphany_function_type definition.
 233         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
 234         handlers with a longcall forwarder.
 235         (epiphany_start_function): Handle multiple interrupt arguments and/or
 236         forwarder_section attribute.
 237
 238         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
 239         libgloss.
 240
 241 2012-02-07  Alan Modra  <amodra@gmail.com>
 242
 243         PR target/52107
 244         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
 245         subregs of TFmode.
 246
 247 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 248
 249         PR tree-optimization/50969
 250         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
 251         use vec_perm rather than vector_stmt.
 252         (vect_model_load_cost): Likewise.
 253         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
 254         vec_perm to be the same as other vector statements.
 255         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
 256         cost of vec_perm for TARGET_VSX.
 257
 258 2012-02-06  Richard Guenther  <rguenther@suse.de>
 259
 260         PR tree-optimization/52115
 261         * tree-sra.c (access_has_replacements_p): New function.
 262         (sra_modify_assign): Use it to decide whether a use is uninitialized.
 263
 264 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
 265
 266         PR middle-end/52047
 267         * trans-mem.c (expand_call_tm): Add an assertion.
 268         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
 269         functions.
 270
 271 2012-02-06  Richard Guenther  <rguenther@suse.de>
 272
 273         PR tree-optimization/50955
 274         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
 275         raise cost of expressions that replace an address with an
 276         expression based on a different pointer.
 277
 278 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
 279
 280         PR target/52129
 281         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
 282         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
 283
 284 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
 285
 286         PR c++/48680
 287         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
 288         -Weffc++ and specify guidelines come from second edition.
 289
 290 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
 291
 292         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
 293         (sibcall_value_multiple_internal, call_split, call_internal_direct)
 294         (call_direct_split, call_value_split, call_value_internal_direct)
 295         (call_value_direct_split, call_value_multiple_split): Use jal and
 296         jal_macro attributes.
 297
 298 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
 299
 300         * reload1.c (reload_regs_reach_end_p): Replace with...
 301         (reload_reg_rtx_reaches_end_p): ...this function.
 302         (new_spill_reg_store): Update commentary.
 303         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
 304         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
 305         before setting new_spill_reg_store.
 306         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
 307         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
 308         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
 309         for non-spill reload registers.
 310
 311 2012-02-05  Ira Rosen  <irar@il.ibm.com>
 312
 313         PR tree-optimization/52091
 314         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
 315         (vect_is_simple_use_1): Likewise.
 316         * tree-vect-loop.c (vectorizable_reduction): Update calls
 317         to vect_is_simple_use_1 and vect_is_simple_use.
 318         (vectorizable_live_operation): Likewise.
 319         * tree-vect-patterns.c (widened_name_p,
 320         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
 321         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
 322         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
 323         vectorizable_shift,vectorizable_operation, vectorizable_store,
 324         vectorizable_load): Likewise.
 325         (vect_is_simple_cond): Add an argument, pass it to
 326         vect_is_simple_use_1.
 327         (vectorizable_condition): Update calls to vect_is_simple_cond,
 328         vect_is_simple_use.
 329         (vect_is_simple_use): Add an argument, the statement in which
 330         OPERAND is used.  Check that if OPERAND's def stmt is a double
 331         reduction phi node, the use is a phi node too.
 332         (vect_is_simple_use_1): Add an argument, pass it to
 333         vect_is_simple_use.
 334         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
 335         to vect_is_simple_use.
 336
 337 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
 338
 339         PR rtl-optimization/52095
 340         * modulo-sched.c (dump_insn_locator): New function.
 341         (loop_canon_p, sms_schedule): Use it.
 342
 343         PR rtl-optimization/52113
 344         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
 345         even for decomposable shift/zext insns.
 346
 347 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
 348             Zdenek Dvorak  <ook@ucw.cz>
 349
 350         PR rtl-optimization/52092
 351         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
 352         on get_iv_value result.
 353
 354 2012-02-02  Andrew Pinski  <apinski@cavium.com>
 355
 356         PR middle-end/47982
 357         PR middle-end/43967
 358         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
 359
 360 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
 361
 362         PR middle-end/48071
 363         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
 364
 365 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
 366
 367         PR rtl-optimization/49800
 368         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
 369         (sched_finish): Call regstat_free_n_sets_and_refs.
 370
 371 2012-02-02  Jia Liu  <proljc@gmail.com>
 372
 373         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
 374         than operand 2.
 375
 376 2012-02-02 Jan Hubicka  <jh@suse.cz>
 377            Tom de Vries  <tom@codesourcery.com>
 378
 379         PR middle-end/51998
 380         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
 381         * varpool.c (varpool_analyze_pending_decls): Likewise.
 382
 383 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
 384             Jayant R Sonar <jayant.sonar@kpitcummins.com>
 385
 386         * config.gcc: Add cr16-* support.
 387
 388         * doc/extend.texi: Document cr16 extensions.
 389         * doc/install.texi: Document cr16 install.
 390         * doc/invoke.texi: Document cr16 options.
 391         * doc/md.texi: Document cr16 constraints.
 392
 393         * common/config/cr16/cr16-common.c: New file.
 394         * config/cr16/cr16.c: New file.
 395         * config/cr16/cr16.h: New file.
 396         * config/cr16/cr16.md: New file.
 397         * config/cr16/cr16.opt: New file.
 398         * config/cr16/cr16-protos.h: New file.
 399         * config/cr16/predicates.md: New file.
 400         * config/cr16/constraints.md: New file.
 401         * config/cr16/t-cr16: New file.
 402
 403 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
 404
 405         PR target/52086
 406         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
 407         that operands[2] is either immediate, or q_regs_operand.
 408
 409         PR tree-optimization/52073
 410         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
 411         a pattern stmt for pattern uses, ignore uses outside of the loop.
 412
 413 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
 414
 415         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
 416         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
 417         (OUT_AS1, OUT_AS2): Remove.
 418
 419 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
 420
 421         PR rtl-optimization/51374
 422         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
 423         to cross other volatile_refs_p insns.
 424
 425 2012-02-01  Richard Guenther  <rguenther@suse.de>
 426
 427         * doc/invoke.texi (fno-inline): Clarify documentation.
 428         (finline-small-functions): Likewise.
 429         (finline-functions): Likewise.
 430         * common.opt (finline): Adjust comment and documentation.
 431         (finline-small-functions): Clarify documentation.
 432         (finline-functions): Likewise.
 433         (finline-functions-called-once): Likewise.
 434
 435 2012-02-01  Tristan Gingold  <gingold@adacore.com>
 436
 437         * c-typeck.c (composite_type): Keep mode for pointers.
 438
 439 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
 440
 441         * function.h (regno_reg_rtx): Adjust comment.
 442         * reginfo.c (init_reg_modes_target): Only use the previous mode
 443         if it fits within one register.  Remove MIPS comment.
 444
 445 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 446
 447         PR bootstrap/52058
 448         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
 449
 450 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 451
 452         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
 453         to srak instruction.
 454
 455 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 456
 457         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
 458
 459 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 460
 461         PR bootstrap/52041
 462         PR bootstrap/52039
 463         PR target/51974
 464         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
 465
 466 2012-01-31  Richard Guenther  <rguenther@suse.de>
 467
 468         PR tree-optimization/51528
 469         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
 470         assigns.
 471
 472 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 473
 474         PR bootstrap/52041
 475         PR bootstrap/52039
 476         PR target/51974
 477         * ree.c (add_removable_extension): Change def_map argument
 478         to unsigned *, store in def_map 1 + offset into *insn_list vector
 479         instead of pointers into the vector.
 480         (find_removable_extensions): Adjust caller.
 481
 482 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 483
 484         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
 485         Transform all "* quoted-c-code" to { c-code }.
 486         Remove redundant test for "optimize" in combine patterns.
 487         Move (include "avr-dimode.md") to end of file.
 488
 489 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
 490
 491         PR target/51835
 492         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
 493         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
 494
 495 2012-01-30  Richard Guenther  <rguenther@suse.de>
 496
 497         PR tree-optimization/52028
 498         * tree-loop-distribution.c (ldist_gen): Properly update
 499         virtual SSA form.
 500
 501 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
 502
 503         PR debug/52027
 504         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
 505         set_cur_line_info_table if not emitting debug info.
 506
 507         PR tree-optimization/52046
 508         * tree-vect-patterns.c (check_bool_pattern): Give up if
 509         a comparison could throw.
 510
 511         PR debug/52048
 512         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
 513
 514 2012-01-30  Richard Guenther  <rguenther@suse.de>
 515
 516         PR tree-optimization/52045
 517         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
 518         SSA form if cfgcleanup did anything.
 519
 520 2012-01-30  Richard Guenther  <rguenther@suse.de>
 521
 522         PR tree-optimization/52045
 523         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
 524         before computing final todo.
 525
 526 2012-01-30  Richard Guenther  <rguenther@suse.de>
 527
 528         PR tree-optimization/51528
 529         * tree-sra.c (sra_modify_assign): Re-factor in preparation
 530         for PR51528 fix.
 531
 532 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
 533
 534         * df-problems.c (df_kill_notes): Check that the use refers
 535         to the note under examination.
 536
 537 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
 538
 539         PR target/51920
 540         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
 541         parameter and use short-lived pseudos.
 542         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
 543         (sparc_expand_vector_init): Const-ify local variables and adjust
 544         calls to above functions.
 545
 546 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 547
 548         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
 549
 550 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
 551
 552         * doc/invoke.texi: Make usage of "compile time" and
 553         "run time"/"runtime" consistent throughout the file.
 554
 555 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
 556
 557         * config/alpha/alpha.c (alpha_option_override): Default to
 558         full IEEE compliance mode for Go language.
 559
 560 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
 561
 562         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
 563         (LINK_SSP_SPEC): Define.
 564
 565 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 566
 567         PR target/51871
 568         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
 569         stubs.
 570
 571 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
 572
 573         * doc/invoke.texi: Correct hyphenation of "floating point",
 574         "double precision", and related terminology throughout the file.
 575
 576 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
 577
 578         PR target/52006
 579         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
 580         arm_general_register_operand predicate for operand 2 instead of
 581         register_operand.
 582
 583 2012-01-27  Ian Lance Taylor  <iant@google.com>
 584
 585         PR go/47656
 586         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
 587         * builtins.c (expand_builtin_init_trampoline): Add onstack
 588         parameter.  Change caller.
 589         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
 590         * tree.c (build_common_builtin_nodes): Declare
 591         __builtin_init_heap_trampoline.
 592
 593 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
 594
 595         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
 596         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
 597         * config/avr/avr.c: Ditto.
 598         (avr_regnames): Remove because unused.
 599         * config/avr/avr.md (*cpse.ne): New peephole.
 600         (*cpse.eq): New peephole from former cpse peepholes.
 601
 602 2012-01-27  Michael Eager  <eager@eagercon.com>
 603
 604         * config/microblaze.c (microblaze_emit_compare): Correct
 605         test after pcmp instruction.
 606
 607 2012-01-27  Richard Guenther  <rguenther@suse.de>
 608
 609         PR tree-optimization/52020
 610         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
 611
 612 2012-01-27  Richard Guenther  <rguenther@suse.de>
 613
 614         * ipa-pure-const.c (check_stmt): Clobbers do not make a
 615         function non-const/pure.
 616
 617 2012-01-27  Richard Guenther  <rguenther@suse.de>
 618
 619         PR tree-optimization/50444
 620         * tree-sra.c (build_ref_for_offset): Properly adjust the
 621         MEM_REF type for unaligned accesses.
 622
 623 2012-01-27  Richard Guenther  <rguenther@suse.de>
 624
 625         PR tree-optimization/50444
 626         * expr.c (mem_ref_refers_to_non_mem_p): New function.
 627         (expand_assignment): Use it.  Properly handle misaligned
 628         bases when expanding stores to component references.
 629         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
 630         refactor that case.
 631
 632 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
 633
 634         PR middle-end/51389
 635         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
 636         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
 637         * tree-data-ref.c (find_data_references_in_loop): Make static.
 638         (compute_all_dependences): Change return type to bool.  Bail out
 639         for too many datarefs in a loop.  Move the hunk resetting the data
 640         dependences vector from ...
 641         (compute_data_dependences_for_loop): ... here.  Account for
 642         compute_all_dependences returning false.
 643         (compute_data_dependences_for_bb): Likewise.
 644         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
 645         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
 646
 647 2012-01-27  Richard Guenther  <rguenther@suse.de>
 648
 649         PR middle-end/51959
 650         * expr.c (store_field): Use the alias-set of the scratch memory
 651         for storing to it.
 652
 653 2012-01-27  Tom de Vries  <tom@codesourcery.com>
 654
 655         PR tree-optimization/51990
 656         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
 657         WITH_SIZE_EXPR.
 658         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
 659
 660 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
 661
 662         PR debug/52001
 663         * var-tracking.c (reverse_op): Don't add any reverse operation
 664         if V already has any constant locations.
 665
 666 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 667
 668         * doc/invoke.texi: Correct usage of "command line" (noun)
 669         vs "command-line" (adjective) throughout.
 670
 671 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 672
 673         * doc/invoke.texi (Language Independent Options): Move
 674         -Wcoverage-mismatch blurb from here....
 675         (Warning Options): ...to here.
 676
 677 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
 678
 679         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 680         Set rs6000_always_hint to false for 476.
 681
 682 2012-01-27  Matthias Klose  <doko@ubuntu.com>
 683
 684         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
 685           system root.
 686         * incpath.c (add_standard_paths): Likewise.
 687
 688 2012-01-27  Richard Henderson  <rth@redhat.com>
 689
 690         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 691         * config/m68k/sync.md (atomic_test_and_set): Rename from
 692         sync_test_and_setqi and adjust the operands.
 693         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
 694         and unconditionally enable.
 695
 696 2012-01-27  Richard Henderson  <rth@redhat.com>
 697
 698         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 699         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
 700         (ldstub): Rename from ldstubqi.
 701         (ldstub<I24MODE>): Remove.
 702
 703 2012-01-27  Richard Henderson  <rth@redhat.com>
 704
 705         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 706         * c-cppbuiltin.c (cpp_atomic_builtins): Define
 707         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
 708         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
 709         * doc/tm.texi: Rebuild.
 710
 711 2012-01-27  Richard Henderson  <rth@redhat.com>
 712
 713         * optabs.c (gen_atomic_test_and_set): Remove default.
 714         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
 715
 716 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 717
 718         PR rtl-optimization/51978
 719         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
 720         (combine_reaching_defs): Likewise.
 721         (struct re_info): Remove.
 722         (add_removable_extension): Remove x and data arguments,
 723         add insn, insn_list and def_map.  Use the arguments directly
 724         instead of using struct re_info.
 725         (find_removable_extensions): Don't call add_removable_extension
 726         through note_stores, instead just call it with single_set
 727         result if non-NULL.
 728         (find_and_remove_re): Pass curr_cand->expr instead of
 729         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
 730
 731 2012-01-26  Michael Matz  <matz@suse.de>
 732
 733         PR tree-optimization/46590
 734         * cfgexpand.c: Revert last change (r183305).
 735         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
 736         regs.
 737         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
 738         checking for emptiness.
 739
 740 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 741
 742         PR middle-end/51895
 743         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
 744         non-addressable non-BLKmode base correctly.
 745
 746 2012-01-26  Michael Matz  <matz@suse.de>
 747
 748         PR tree-optimization/48794
 749         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
 750         regions referenced from RESX/EH_DISPATCH.
 751
 752 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 753
 754         * config/s390/s390.h: Make BRANCH_COST an option.
 755         * config/s390/s390.opt: New option -mbranch-cost.
 756
 757 2012-01-26  Richard Henderson  <rth@redhat.com>
 758
 759         Revert 2012-01-24 change:
 760         * trans-mem.c (requires_barrier): Do not instrument thread local
 761         variables and emit save/restore for them.
 762
 763 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 764
 765         PR middle-end/51986
 766         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
 767         for pat == 0.
 768
 769 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
 770
 771         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
 772         ASM_OPERANDS.
 773
 774 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
 775
 776         PR target/49868
 777         Rename __pgm to __flash.
 778         Rename __pgm1 to __flash1.
 779         Rename __pgm2 to __flash2.
 780         Rename __pgm3 to __flash3.
 781         Rename __pgm4 to __flash4.
 782         Rename __pgm5 to __flash5.
 783         Rename __pgmx to __memx.
 784         * doc/extend.texi (AVR Named Address Spaces)
 785         Rename address space names as indicated above.
 786         * config/avr/avr.c (avr_addrspace): Ditto.
 787
 788         * config/avr/avr-protos.h
 789         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
 790         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
 791         * config/avr/predicates.md: Ditto.
 792         * config/avr/avr.c Ditto, and
 793         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
 794         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
 795
 796         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
 797         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
 798         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
 799         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
 800         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
 801         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
 802         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
 803         * config/avr/avr.c: Ditto.
 804         * config/avr/avr.md: Ditto.
 805
 806 2012-01-25  Jason Merrill  <jason@redhat.com>
 807
 808         PR c++/51992
 809         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
 810
 811 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 812
 813         PR tree-optimization/51987
 814         * tree-data-ref.c (get_references_in_stmt): Handle references in
 815         non-volatile GIMPLE_ASM.
 816
 817 2012-01-25  Richard Guenther  <rguenther@suse.de>
 818
 819         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
 820         bases are dereferenced.
 821
 822 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 823
 824         PR rtl-optimization/48374
 825         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
 826
 827 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 828
 829         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
 830         compute_data_dependences_for_loop returns false.
 831         * tree-parloops.c (loop_parallel_p): Likewise.
 832
 833 2012-01-25  Richard Guenther  <rguenther@suse.de>
 834
 835         * tree.h (get_pointer_alignment_1): Declare.
 836         * builtins.c (get_pointer_alignment_1): New function.
 837         (get_pointer_alignment): Use it.
 838
 839 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 840
 841         PR rtl-optimization/48308
 842         * combine.c (enum undo_kind): Add UNDO_LINKS.
 843         (struct undo): Add member l to other_contents and where.
 844         (do_SUBST_LINK): New.
 845         (SUBST_LINK): New.
 846         (try_combine): Handle LOG_LINKS for the dummy i1 case.
 847         (undo_all): Handle UNDO_LINKS.
 848
 849 2012-01-25  Richard Henderson  <rth@redhat.com>
 850
 851         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
 852         mem inputs.
 853
 854 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 855
 856         * optabs.c (gen_atomic_test_and_set): Use each argument.
 857
 858 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 859
 860         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
 861         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
 862         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
 863         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
 864         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
 865         TARGET_PAIRED_SINGLE_FLOAT.
 866
 867 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 868
 869         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 870         (in_struct, return_val): Remove MEM documentation.
 871         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
 872         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 873         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
 874         and MEM_SCALAR.
 875         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
 876         * cfgexpand.c (add_alias_set_conflicts): Likewise.
 877         * expr.c (store_field): Likewise.
 878         * function.c (assign_stack_temp_for_type): Likewise.
 879         * ifcvt.c (noce_try_cmove_arith): Likewise.
 880         * reload1.c (reload): Likewise.
 881         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
 882         (alpha_set_memflags): Likewise.
 883         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
 884
 885 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 886
 887         * rtl.h (true_dependence, canon_true_dependence): Remove varies
 888         parameter.
 889         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
 890         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
 891         (true_dependence_1, true_dependence, canon_true_dependence): Remove
 892         varies parameter.
 893         * cselib.c (cselib_rtx_varies_p): Delete.
 894         (cselib_invalidate_mem): Update call to canon_true_dependence.
 895         * dse.c (record_store, check_mem_read_rtx): Likewise.
 896         (scan_reads_nospill): Likewise.
 897         * cse.c (check_dependence): Likewise.
 898         (cse_rtx_varies_p): Delete.
 899         * expr.c (safe_from_p): Update call to true_dependence.
 900         * ira.c (validate_equiv_mem_from_store): Likewise.
 901         (memref_referenced_p): Likewise.
 902         * postreload-gcse.c (find_mem_conflicts): Likewise.
 903         * sched-deps.c (sched_analyze_2): Likewise.
 904         * store-motion.c (load_kills_store): Likewise.
 905         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
 906         * gcse.c (mems_conflict_for_gcse_p): Likewise.
 907         (compute_transp): Update call to canon_true_dependence.
 908
 909 2012-01-25  Richard Henderson  <rth@redhat.com>
 910
 911         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
 912         (maybe_emit_atomic_test_and_set): New.
 913         (expand_sync_lock_test_and_set): Use it.
 914         (expand_atomic_test_and_set): Likewise.
 915         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
 916         the implementation; clarify implementation defined details.
 917         * doc/md.texi (atomic_test_and_set): Document.
 918
 919 2012-01-25  Richard Henderson  <rth@redhat.com>
 920
 921         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
 922
 923 2012-01-25  Richard Henderson  <rth@redhat.com>
 924
 925         PR target/51968
 926         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
 927         to effect no-op split.
 928
 929 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 930
 931         PR lto/51698
 932         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
 933         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
 934         (BT_FN_VOID_PTR_INT_SIZE): New.
 935         (BT_FN_UINT_UINT_VAR): Remove.
 936         (BT_FN_UINT32_UINT32_VAR): New.
 937         (BT_FN_DOUBLE_VPTR): Remove.
 938         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
 939
 940         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
 941         (_ITM_changeTransactionMode): Same.
 942         (_ITM_memmoveRtWt): Change return type to void.
 943         (_ITM_memcpyRtWt): Same.
 944         (_ITM_memsetW): Same.
 945         (_ITM_RaRD): Change types to double.
 946         (_ITM_RD): Same.
 947         (_ITM_RaWD): Same.
 948         (_ITM_RfWD): Same.
 949
 950         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
 951
 952 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 953             Patrick Marlier  <patrick.marlier@gmail.com>
 954
 955         * trans-mem.c (requires_barrier): Do not instrument thread local
 956         variables and emit save/restore for them.
 957
 958 2012-01-24  Jason Merrill  <jason@redhat.com>
 959
 960         PR c++/51812
 961         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
 962         output static aliases.
 963
 964 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 965
 966         PR driver/47249
 967         * common.opt (-pie, -shared, pie, shared): Change from Common to
 968         Driver.
 969         * gcc.c (display_help): Display help for -pie and -shared.
 970
 971 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
 972
 973         PR target/49868
 974         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
 975         Remove note on size/offset limitation.
 976         (AVR Variable Attributes): Add example how to read data located
 977         with progmem.  Refer to named address spaces.
 978         * doc/invoke.texi (AVR Options): Fix typo.
 979
 980 2012-01-24  Richard Guenther  <rguenther@suse.de>
 981
 982         Forward-port to trunk
 983         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
 984
 985         PR middle-end/45678
 986         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
 987         op0 isn't sufficiently aligned and there is movmisalignM
 988         insn for mode, use it to load op0 into a temporary register.
 989
 990 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 991
 992         PR target/51957
 993         * target.def (const_not_ok_for_debug_p): New hook.
 994         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
 995         documentation.
 996         * doc/tm.texi: Regenerated.
 997         * dwarf2out.c (const_ok_for_output_1): If
 998         targetm.const_not_ok_for_debug_p returns true, fail.
 999         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1000         function.
1001         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1002
1003 2012-01-23  Kai Tietz  <ktietz@redhat.com>
1004
1005         PR target/51900
1006         * config/i386/predicates.md (symbolic_operand): Allow
1007         UNSPEC_PCREL as PIC expression for lea.
1008         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1009         * config/i386/i386.c (ix86_delegitimize_address): Handle
1010         UNSPEC_PCREL for none-MEM, too.
1011
1012 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1013
1014         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1015         (ipa_tm_create_version_alias): Same.
1016
1017 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1018
1019         PR libitm/51830
1020         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1021         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1022
1023 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1024             Patrick Marlier  <patrick.marlier@gmail.com>
1025             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
1026
1027         PR lto/51916
1028         * lto-wrapper.c (run_gcc): Pass the LTO section name to
1029         simple_object_start_read.
1030
1031 2012-01-23  Richard Guenther  <rguenther@suse.de>
1032
1033
1034         PR tree-optimization/51895
1035         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1036         parameter decomposition into BLKmode components.
1037
1038 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
1039
1040         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1041         fake variables for restrict-qualified pointers whose pointed-to type
1042         contains a placeholder.
1043
1044 2012-01-23  Richard Guenther  <rguenther@suse.de>
1045
1046         PR tree-optimization/51949
1047         * ipa-split.c (execute_split_functions): Do not split malloc functions.
1048
1049 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
1050
1051         PR rtl-optimization/51933
1052         * ree.c (transform_ifelse): Return true right away if dstreg is
1053         already wider or equal to cand->mode.
1054         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1055         (make_defs_and_copies_lists): Remove defs_list and copies_list
1056         arguments, add state argument, just truncate state->work_list
1057         instead of always allocating and freeing the vector.  Assert that
1058         get_defs succeeds instead of returning 2.  Changed return type to bool.
1059         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
1060         have ext_src_mode, see if it has been modified already with the
1061         right kind of extension and has been extended before from the
1062         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
1063         just return true.  Remember the original mode in state->modified array.
1064         (combine_reaching_defs): Add state argument.  Don't allocate and
1065         free here def_list, copied_list and vec vectors, instead just
1066         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
1067         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1068         Add state variable, clear vectors in it, initialize state.modified
1069         if needed.  Free all the vectors at the end and state.modified too.
1070         Don't skip a candidate if the extension expression has been modified.
1071
1072 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
1073
1074         PR target/47096
1075         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1076          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1077         (extra_options) interix.opt -> i386/interix.opt"
1078         (extra_objs):Add winnt-stubs.o
1079         * configure.ac: Add interix to target_os .comm on PE check.
1080         * configure: Regenerate.
1081         * config/interix3.h: Delete and move bits to..
1082         * config/interix.h: Delete and move bits to..
1083         * config/i386/i386-interix3.h: Delete and move bits to..
1084         * config/i386/i386-interix.h: ..here.
1085         (TARGET_CPU_DEFAULT): Remove redefinition.
1086         (TARGET_ASM_CONSTRUCTOR): Undefine.
1087         (SUBTARGET_SWITCHES): Define for ms-bitfields.
1088         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1089         (PTRDIFF_TYPE): Define.
1090         (LONG_DOUBLE_TYPE_SIZE): Define.
1091         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1092         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1093         (TARGET_SECTION_TYPE_FLAGS): Define.
1094         (ASM_DECLARE_FUNCTION_NAME): Define.
1095         (ASM_OUTPUT_EXTERNAL): Define.
1096         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1097         (ASM_OUTPUT_ALIGNED_BSS): Define.
1098         (PCC_BITFIELD_TYPE_MATTERS): Define.
1099         (USE_CONST_SECTION): Define.
1100         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1101         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1102         (SUPPORTS_ONE_ONLY): Remove.
1103         (I386_PE_STRIP_ENCODING): Define.
1104         * config/interix.opt: Delete and move bits to..
1105         * config/i386/interix.opt: ..here. New.
1106         (mpe-aligned-commons): Add.
1107         * config/i386/t-interix: Add copyright header.
1108         (winnt-stubs.o): Add rule.
1109
1110 2012-01-22  Jason Merrill  <jason@redhat.com>
1111
1112         PR c++/51832
1113         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1114         for extra name aliases.
1115
1116 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1117
1118         PR rtl-optimization/51924
1119         * ree.c (combine_set_extension): Improve debugging message.
1120         (combine_reaching_defs): Likewise.
1121         (get_defs): Rename confusingly named variable.
1122         (find_and_remove_re): Skip a candidate if the extension expression has
1123         been modified.
1124
1125 2012-01-21  Robert Millan  <rmh@gnu.org>
1126             Gerald Pfeifer  <gerald@pfeifer.com>
1127
1128         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1129         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1130
1131 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1132
1133         PR tree-optimization/51914
1134         * tree-vect-stmts.c (vectorizable_conversion): For
1135         cvt_type && modifier == WIDEN, put temporary with cvt_type
1136         at the beginning of vec_dsts and set vec_dest to temporary
1137         with vectype_out.
1138
1139 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1140
1141         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1142
1143 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1144
1145         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1146         * config/rs6000/rs6000.c: Likewise.
1147
1148 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1149
1150         PR target/51915
1151         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1152         output_move_double on a copy of operands array.
1153
1154 2012-01-20  Cary Coutant  <ccoutant@google.com>
1155             Dodji Seketeli  <dodji@redhat.com>
1156
1157         PR debug/45682
1158         * dwarf2out.c (copy_declaration_context): Return ref to parent
1159         of declaration DIE, if necessary.
1160         (remove_child_or_replace_with_skeleton): Add new parameter; update
1161         caller.  Place skeleton DIE under parent DIE of original declaration.
1162         Move call to copy_declaration_context to here ...
1163         (break_out_comdat_types): ... from here.
1164
1165 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1166
1167         PR rtl-optimization/51856
1168         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1169         flag to reloaded.
1170
1171 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1172
1173         PR target/51819
1174         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1175         hints for neon loads and stores.
1176
1177 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1178
1179         PR target/49868
1180         PR target/50887
1181         * doc/extend.texi (Named Address Spaces): Split into subsections.
1182         (AVR Named Address Spaces): New subsection.
1183         (M32C Named Address Spaces): New subsection.
1184         (RL78 Named Address Spaces): New subsection.
1185         (SPU Named Address Spaces): New subsection.
1186         (Variable Attributes): New anchor "AVR Variable Attributes".
1187         (AVR Variable Attributes): Rewrite and avoid wording
1188         "address space" in this context.
1189         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1190         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1191         (AVR Built-in Macros): New subsubsection therein.
1192         * doc/md.texi (AVR constraints): Remove "C04", "R".
1193
1194 2012-01-20  Richard Guenther  <rguenther@suse.de>
1195
1196         PR tree-optimization/51903
1197         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1198         when removing stmts.
1199
1200 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1201
1202         PR target/50313
1203         * config/arm/arm.c (arm_load_pic_register): Use
1204         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1205         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1206         (arm_pic_static_addr): Likewise.
1207         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1208         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1209         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1210         (pic_load_addr_unified): New.
1211
1212 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1213
1214         PR target/51106
1215         * function.c (instantiate_virtual_regs_in_insn): Use
1216         delete_insn_and_edges when removing a wrong asm insn.
1217
1218 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1219
1220         PR rtl-optimization/40761
1221         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1222         Add new member loop_num.
1223         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1224         (ira_build): Remove the parameter.
1225
1226         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1227         (ira.c): Do not build CFG loops for one region allocation.  Remove
1228         argument from ira_build call.
1229
1230         * ira-build.c (init_loop_tree_node): New function.
1231         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1232         loops are not built.
1233         (more_one_region_p): Check current_loops.
1234         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1235         built.
1236         (add_loop_to_tree): Process loop equal to NULL too.
1237         (form_loop_tree): Separate the case when CFG loops are not built.
1238         Use explicitly number for the root.
1239         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1240         an assertion.
1241         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1242         instead of loop->num.
1243         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1244         (mark_all_loops_for_removal): Ditto.
1245         (remove_unnecessary_regions): Separate the case when CFG loops
1246         are not built.
1247         (ira_build): Remove the parameter.  Use explicit number of regions
1248         when CFG loops are not built.
1249
1250         * ira-color.c (print_loop_title): Separate the case for the root node.
1251         Use loop_num instead of loop->num.
1252         (move_spill_restore): Use loop_num instead of loop->num.
1253
1254         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1255         (change_loop): Ditto.
1256         (change_loop): Use loop_num instead of loop->num.
1257
1258         * ira-lives.c (process_bb_node_lives): Ditto.
1259
1260         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1261
1262         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1263
1264 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1265
1266         PR libmudflap/40778
1267         * tree-mudflap.c (mf_artificial): New function.
1268         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1269         mx_register_decls, mudflap_enqueue_decl): Use it.
1270
1271         PR target/51876
1272         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1273         numbers in the insn pattern.
1274
1275 2012-01-19  Michael Matz  <matz@suse.de>
1276
1277         PR tree-optimization/46590
1278         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1279         use it in remembering which conflicts we already created.
1280         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1281         bitmap.
1282
1283 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1284
1285         PR lto/51280
1286         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1287         (merge_and_complain): Same.
1288
1289 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1290
1291         PR bootstrap/50237
1292         * config/initfini-array.h: Guard content of the header
1293         with #ifdef HAVE_INITFINI_ARRAY.
1294         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1295         Add initfini-array.h to tm_file here.
1296         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1297         * config.gcc: Don't add initfini-array.h to tm_file here.
1298         * configure: Regenerated.
1299
1300 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1301
1302         PR rtl-optimization/51505
1303         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1304         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1305         (df_note_bb_compute): Update the call to df_kill_notes.
1306
1307 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1308
1309         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1310
1311 2012-01-18  Richard Guenther  <rguenther@suse.de>
1312
1313         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1314         of conversions to void *.
1315
1316 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1317             Richard Sandiford  <rdsandiford@googlemail.com>
1318
1319         PR middle-end/50325
1320         PR middle-end/51192
1321         * optabs.h (simplify_expand_binop): Declare.
1322         * optabs.c (simplify_expand_binop): Make global.
1323         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1324         endian targets if the source cannot be exactly covered by word
1325         mode chunks.
1326
1327 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1328
1329         PR bootstrap/51872
1330         * hard-reg-set.h (struct hard_reg_set_container): New type.
1331         * target.h (struct hard_reg_set_container): Forward declare.
1332         * target.def (set_up_by_prologue): New target hook.
1333         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1334         * doc/tm.texi: Regenerated.
1335         * function.c (thread_prologue_and_epilogue_insns): Change
1336         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1337         Call targetm.set_up_by_prologue on it.
1338         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1339         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1340
1341 2012-01-17  Nick Clifton  <nickc@redhat.com>
1342
1343         * config/rx/rx.c (rx_can_use_simple_return): New function.
1344         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1345         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1346
1347 2012-01-17  Richard Guenther  <rguenther@suse.de>
1348
1349         PR middle-end/51782
1350         * expr.c (expand_assignment): Take address-space information
1351         from the address operand of MEM_REF and TARGET_MEM_REF.
1352         (expand_expr_real_1): Likewise.
1353
1354 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1355
1356         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1357         reload dump is requested.
1358
1359 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1360
1361         PR other/51165
1362         * trans-mem.c (requires_barrier): Call may_be_aliased.
1363
1364 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1365
1366         PR tree-optimization/51877
1367         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1368         call arguments and fndecls compare equal, instead return false if they
1369         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1370         both SSA_NAMEs that are valueized the same, or they satisfy
1371         operand_equal_p.
1372
1373 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1374
1375         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1376         Solaris 11+.
1377         * configure: Regenerate.
1378
1379 2012-01-16  Jan Hubicka  <jh@suse.cz>
1380
1381         PR c/12245
1382         PR c++/14179
1383         * convert.c (convert_to_integer): Use fold_convert for
1384         converting an INTEGER_CST to integer type.
1385
1386 2012-01-16  Jason Merrill  <jason@redhat.com>
1387
1388         PR c++/14179
1389         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1390
1391 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1392
1393         PR bootstrap/51860
1394         * config/s390/s390.c (s390_chunkify_start): Don't skip
1395         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1396         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1397         If insn is followed by NOTE_INSN_VAR_LOCATION or
1398         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1399         Don't use location of note insns.
1400
1401         PR tree-optimization/51865
1402         * tree-inline.c (tree_function_versioning): Call remap_decl
1403         on DECL_RESULT whenever it has VOID_TYPE_P type.
1404
1405 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1406
1407         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1408         for calls to locally-binding MIPS16 functions if only the return
1409         type uses float regs.
1410
1411 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1412             Richard Sandiford  <rdsandiford@googlemail.com>
1413
1414         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1415         (SYMBOL_32_HIGH): Likewise.
1416         (mips_output_tls_reloc_directive): Declare.
1417         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1418         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1419         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1420         (mips_lo_relocs, mips_hi_relocs): Make extern.
1421         (mips16_stub_function): Move up file.
1422         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1423         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1424         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1425         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1426         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1427         (mips_get_tp): Add MIPS16 support.
1428         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1429         Generalize DTPREL and TPREL handling.
1430         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1431         Add MIPS16 TLS support.
1432         (mips_output_tls_reloc_directive): New function.
1433         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1434         * config/mips/predicates.md (symbolic_operand_with_high)
1435         (tls_reloc_operand): New predicates.
1436         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1437         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1438         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1439         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1440         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1441         (*tls_get_tp_mips16_call_<mode>): Likewise.
1442
1443 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1444
1445         PR rtl-optimization/51821
1446         * recog.c (peep2_find_free_register): Determine clobbered registers
1447         from insn pattern.
1448
1449 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1450
1451         PR target/50925
1452         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1453         * config/avr/avr.c: Likewise.
1454         * config/avr/avr.h: Likewise.
1455
1456 2012-01-13  Ian Lance Taylor  <iant@google.com>
1457
1458         PR c++/50012
1459         * tree.h (TYPE_QUALS): Add cast to int.
1460         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1461
1462 2012-01-13  Ian Lance Taylor  <iant@google.com>
1463
1464         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1465         comparing param_index to VEC_length result.
1466
1467 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1468
1469         * c-decl.c: Do not include tree-mudflap.h
1470         * tree-optimize.c: Likewise.
1471         * Makefile.in: Update dependencies.
1472
1473 2012-01-13  Richard Guenther  <rguenther@suse.de>
1474
1475         PR middle-end/8081
1476         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1477         variable-sized result always use RSO.
1478
1479 2012-01-12  DJ Delorie  <dj@redhat.com>
1480
1481         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1482         pointer type, not just the default pointer type.
1483
1484 2012-01-09  Richard Henderson  <rth@redhat.com>
1485             Denis Chertykov  <chertykov@gmail.com>
1486
1487         PR target/50925
1488         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1489         * config/avr/avr.c (avr_can_eliminate): Simplify.
1490         (avr_initial_elimination_offset): Likewise.
1491         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1492         (expand_epilogue): Likewise.
1493         (avr_legitimize_address): Gut.
1494         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1495         (avr_hard_regno_nregs): New.
1496         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1497         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1498         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1499         add soft frame pointer.
1500         (CALL_USED_REGISTERS): Likewise.
1501         (REG_CLASS_CONTENTS): Likewise.
1502         (REGISTER_NAMES): Likewise.
1503         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1504         (HARD_FRAME_POINTER_REGNUM): New.
1505         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1506         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1507         remove the HARD_FRAME_POINTER self-elimination.
1508
1509 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1510
1511         PR target/51756
1512         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1513         DECL_EXTERNAL when checking for initializers of progmem variables.
1514
1515 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1516
1517         PR tree-optimization/51799
1518         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1519         that the last operation is a type demotion.
1520
1521 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1522
1523         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1524         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1525
1526 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1527
1528         PR bootstrap/51796
1529         * combine.c (distribute_notes): If i3 is a noreturn call,
1530         allow old_size to be equal to args_size and make sure the
1531         noreturn call gets REG_ARGS_SIZE note.
1532         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1533         on noreturn calls even when the delta is 0.
1534
1535 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1536
1537         * gcov.c (STRING_SIZE): Remove.
1538         (generate_results): Erase annotations for source files with no
1539         coverage information.
1540         (read_line): New.
1541         (output_lines): Use it.
1542
1543 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1544
1545         * gimple.h (gimplify_body): Remove first argument.
1546         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1547         pointer set here, instead just pass DATA to walk_tree.
1548         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1549         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1550         (unvisit_body): Likewise, but with unmark_visited.
1551         (gimplify_body): Remove BODY_P argument and adjust.
1552         (gimplify_function_tree): Adjust call to gimplify_body.
1553         * omp-low.c (finalize_task_copyfn): Likewise.
1554
1555 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1556
1557         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1558         (build_function_type_skip_args): Delete.
1559         * tree.c (build_function_type_skip_args): Make static and add
1560         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1561         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1562         pass it to build_function_type_skip_args.
1563         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1564         (tree_function_versioning): Likewise.
1565         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1566         build_function_decl_skip_args.
1567         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1568         and pass it to build_function_decl_skip_args/tree_function_versioning.
1569         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1570         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1571         * trans-mem.c (ipa_tm_create_version): Likewise.
1572         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1573         * tree-inline.c (declare_return_variable): Remove always-true test.
1574         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1575         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1576         * ipa-split.c (split_function): Skip the return value for the split
1577         part if it doesn't return.
1578
1579 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1580
1581         PR tree-optimization/49642
1582         * ipa-split.c (forbidden_dominators): New variable.
1583         (check_forbidden_calls): New function.
1584         (dominated_by_forbidden): Likewise.
1585         (consider_split): Check for forbidden dominators.
1586         (execute_split_functions): Initialize and free forbidden
1587         dominators info; call check_forbidden_calls.
1588
1589 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1590
1591         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1592
1593 2012-01-11  Nick Clifton  <nickc@redhat.com>
1594
1595         * config/rx/rx.md (return): Define pattern.
1596
1597 2012-01-11  Richard Guenther  <rguenther@suse.de>
1598
1599         * doc/extend.texi (malloc attribute): Adjust according to
1600         implementation.
1601
1602 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1603             Patrick Marlier  <patrick.marlier@gmail.com>
1604
1605         PR middle-end/51516
1606         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1607         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1608         (ipa_tm_note_irrevocable): Same.
1609         (ipa_tm_scan_irr_block): Same.
1610         (ipa_tm_decrement_clone_counts): Same.
1611         (ipa_tm_scan_irr_function): Same.
1612         (ipa_tm_create_version_alias): Same.
1613         (ipa_tm_create_version): Same.
1614         (ipa_tm_transform_calls_redirect): Same.
1615         (ipa_tm_transform_calls): Same.
1616         (ipa_tm_transform_transaction): Same.
1617         (ipa_tm_execute): Same.
1618
1619 2012-01-10  Richard Guenther  <rguenther@suse.de>
1620
1621         PR middle-end/51806
1622         * opts.c (common_handle_option): Handle -Werror.
1623
1624 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1625
1626         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1627         operand number.
1628
1629 2012-01-10  Jason Merrill  <jason@redhat.com>
1630
1631         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1632         information.
1633
1634 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1635
1636         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1637         supports R_386_TLS_GD_PLT reloc.
1638         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1639         supports R_386_TLS_LDM_PLT reloc.
1640         * configure: Regenerate.
1641         * config.in: Regenerate.
1642
1643 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1644
1645         PR target/49868
1646         Extend __pgmx semantics to linearize memory.
1647         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1648         determine if code comes inline or from libgcc.
1649         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1650         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1651         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1652         (movmemx_qi, movmemx_hi): New insns.
1653         (xload_<mode>_libgcc): Rewrite to new insn condition.
1654         (xload_<mode>): Remove insns.
1655         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1656         cases that don't satisfy avr_xload_libgcc_p().
1657         (avr_addr_space_convert): Allow converting in any direction.
1658         (avr_addr_space_subset_p): Return always true.
1659         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1660         (avr_emit_movmemhi): Ditto.
1661         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1662         (avr_out_movmem): Ditto.
1663         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1664         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1665         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1666         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1667         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1668
1669 2012-01-10  Richard Guenther  <rguenther@suse.de>
1670
1671         PR tree-optimization/50913
1672         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1673         Require data-refs to be representable by Graphite with respect
1674         to any loop nest.
1675
1676 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1677
1678         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1679         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1680
1681 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1682
1683         PR rtl-optimization/51271
1684         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1685         handling annulled branch.
1686
1687 2012-01-10  Richard Henderson  <rth@redhat.com>
1688
1689         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1690         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1691         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1692         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1693         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1694         arm_expand_vec_perm_const): New.
1695         * config/arm/arm-protos.h: Update.
1696         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1697         (*neon_vswp<VDQX>): New.
1698         (neon_vcombine<VDX>): Use neon_split_vcombine.
1699         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1700         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1701         (vec_perm<VE>): New.
1702
1703 2012-01-10  Richard Henderson  <rth@redhat.com>
1704
1705         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1706         use it if reload_completed.
1707         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1708         arm_output_asm_insn, arm_process_output_memory_barrier,
1709         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1710         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1711         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1712         arm_process_output_sync_insn, arm_output_sync_insn,
1713         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1714         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1715         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1716         (emit_unlikely_jump): New.
1717         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1718         (arm_split_atomic_op): New.
1719         * config/arm/arm-protos.h: Update.
1720         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1721         (struct arm_sync_generator): Remove.
1722         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1723         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1724         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1725         (VUNSPEC_LL, VUNSPEC_SC): New.
1726         (sync_result, sync_memory, sync_required_value, sync_new_value,
1727         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1728         (attr length): Don't use arm_sync_loop_insns.
1729         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1730         (movsfcc, movdfcc): Likewise.
1731         * config/arm/constraints.md (Ua): New.
1732         * config/arm/prediates.md (mem_noofs_operand): New.
1733         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1734         (sync_clobber, sync_t2_reqd): Remove.
1735         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1736         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1737         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1738         (arm_sync_compare_and_swap<SIDI>): Remove.
1739         (arm_sync_compare_and_swap<NARROW>): Remove.
1740         (arm_sync_lock_test_and_set<SIDI>): Remove.
1741         (arm_sync_lock_test_and_set<NARROW>): Remove.
1742         (arm_sync_new_<syncop><SIDI>): Remove.
1743         (arm_sync_new_<syncop><NARROW>): Remove.
1744         (arm_sync_new_nand<SIDI>): Remove.
1745         (arm_sync_new_nand<NARROW>): Remove.
1746         (arm_sync_old_<syncop><SIDI>): Remove.
1747         (arm_sync_old_<syncop><NARROW>): Remove.
1748         (arm_sync_old_nand<SIDI>): Remove.
1749         (arm_sync_old_nand<NARROW>): Remove.
1750         (*memory_barrier): Merge arm_output_memory_barrier.
1751         (atomic_compare_and_swap<QHSD>): New.
1752         (atomic_compare_and_swap<NARROW>_1): New.
1753         (atomic_compare_and_swap<SIDI>_1): New.
1754         (atomic_exchange<QHSD>): New.
1755         (cas_cmp_operand, cas_cmp_str): New.
1756         (atomic_op_operand, atomic_op_str): New.
1757         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1758         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1759         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1760         (arm_load_exclusive<NARROW>): New.
1761         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1762         (arm_store_exclusive<QHSD>): New.
1763
1764 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1765
1766         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1767         reload patterns if -mvsx-scalar-memory.
1768
1769         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1770         generated, even -mno-vsx-scalar-double was used.
1771         (vsx_xscvdpsp_scalar): Likewise.
1772         (vsx_xscvspdp_scalar2): Likewise.
1773
1774 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1775             Andrew Pinski  <apinski@cavium.com>
1776
1777         PR debug/51471
1778         * reorg.c (fill_slots_from_thread): Don't speculate
1779         frame-related insns.
1780
1781 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1782
1783         * sched-int.h (bb_note): Move to...
1784         * basic-block.h: ...here.
1785         * haifa-sched.c (bb_note): Move to...
1786         * cfgrtl.c: ...here.
1787         * function.c (next_block_for_reg): New function.
1788         (move_insn_for_shrink_wrap): Likewise.
1789         (prepare_shrink_wrap): Rewrite to use the above.
1790
1791 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1792
1793         * gimple.c (is_gimple_non_addressable): Remove.
1794         * gimple.h: Remove is_gimple_non_addressable.
1795         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1796         is_gimple_non_addressable.
1797         * trans-mem.c (expand_assign_tm): Same.
1798
1799 2012-01-09  Richard Guenther  <rguenther@suse.de>
1800
1801         PR tree-optimization/51775
1802         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1803         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1804
1805 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1806
1807         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1808         tuning parameters.
1809         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1810
1811 2012-01-09  Richard Guenther  <rguenther@suse.de>
1812
1813         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1814
1815 2012-01-08  Jan Hubicka  <jh@suse.cz>
1816
1817         PR tree-optimize/51680
1818         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1819         on when known_vals needs to be computed; cleanup.
1820
1821 2012-01-08  Jan Hubicka  <jh@suse.cz>
1822
1823         PR tree-optimize/51694
1824         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1825
1826 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1827
1828         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1829         for -std=c++98 and -std=c++11 too.
1830
1831 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1832
1833         * cfgloop.c (cancel_loop): Add free() of bbs array.
1834
1835 2012-01-07  Jan Hubicka  <jh@suse.cz>
1836
1837         PR tree-optimization/51600
1838         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1839         that benefits small functions.
1840
1841 2012-01-07  Jan Hubicka  <jh@suse.cz>
1842
1843         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1844
1845 2012-01-07  Jan Hubicka  <jh@suse.cz>
1846
1847         PR tree-optimization/51680
1848         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1849         whose inlining reduce unit size.
1850
1851 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1852
1853         PR bootstrap/51725
1854         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1855         Add canonical node to containing_mem chain after the non-canonical
1856         one, even if there weren't any locs to propagate.
1857         (remove_useless_values): Keep only canonical values.
1858         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1859         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1860         canonicalize mem_chain elements that are not discarded.
1861
1862 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1863
1864         PR target/47333
1865         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1866         before emitting functions.
1867
1868         PR gcov-profile/50127
1869         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1870         clear_aux_for_blocks.
1871
1872 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1873
1874         PR debug/51746
1875         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1876
1877 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1878
1879         * c-decl.c (ext_block): Moved up.
1880         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1881
1882 2012-01-06  Han Shen  <shenhan@google.com>
1883
1884         Translate built-in include paths for sysroot.
1885         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1886         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1887
1888         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1889         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1890
1891         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1892         control whether sysroot should be prepended to gxx include dir.
1893
1894         * configure: Regenerate.
1895
1896 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1897
1898         PR rtl-optimization/51771
1899         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1900         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1901
1902 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1903
1904         PR tree-optimization/51315
1905         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1906         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1907
1908 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1909
1910         PR target/51681
1911         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1912         for shrp pattern.  Correctly handle and fixup shift variable.
1913         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1914
1915 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1916
1917         PR debug/51762
1918         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1919         note when !ACCUMULATE_OUTGOING_ARGS.
1920
1921 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1922
1923         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1924         condition.
1925         (extract_range_from_unary_expr_1): Avoid useless computations.
1926
1927 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1928
1929         PR rtl-optimization/51767
1930         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1931         of jump_block and add an extra edge for degenerated asm gotos.
1932
1933         PR middle-end/51768
1934         * stmt.c (check_unique_operand_names): Don't ICE during error
1935         reporting if i is from labels chain.
1936
1937         PR middle-end/44777
1938         * profile.c (branch_prob): Split bbs that have exit edge
1939         and need a fake entry edge too.
1940
1941 2012-01-05  Jan Hubicka  <jh@suse.cz>
1942
1943         PR middle-end/49710
1944         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1945         unlooping loops.
1946
1947 2012-01-05  Richard Guenther  <rguenther@suse.de>
1948
1949         PR lto/50490
1950         * tree-streamer-out.c (write_ts_optimization): New function.
1951         (streamer_write_tree_body): Call it.
1952         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1953         (streamer_read_tree_body): Call it.
1954         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1955
1956 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1957
1958         PR middle-end/51761
1959         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1960         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1961         in_cleanup_point_expr before gimplify_stmt call and restore it
1962         afterwards.
1963         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1964         in_cleanup_point_expr is false.
1965
1966 2012-01-05  Richard Guenther  <rguenther@suse.de>
1967
1968         PR middle-end/51764
1969         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1970         to c.opt.
1971         * toplev.c (process_options): Reject combining mudflap and LTO.
1972         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1973
1974 2012-01-05  Richard Guenther  <rguenther@suse.de>
1975
1976         PR tree-optimization/51760
1977         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1978         not VARYING.
1979         (bit_value_unop): Handle UNDEFINED operands.
1980         (bit_value_binop): Likewise.
1981
1982 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1983
1984         * config/avr/avr.c (avr_replace_prefix): Remove.
1985         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1986         (avr_asm_function_rodata_section): Ditto.
1987         (avr_asm_select_section): Ditto.
1988
1989 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1990
1991         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1992         insertion.
1993
1994 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1995
1996         PR bootstrap/51648
1997         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1998         calls that have any non-fake successor edges.
1999
2000         PR debug/51746
2001         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2002
2003 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2004
2005         PR tree-optimization/51624
2006         * tree-sra.c (build_ref_for_model): When replicating a chain of
2007         COMPONENT_REFs, stop as soon as the offset would become negative.
2008
2009 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
2010
2011         PR debug/51695
2012         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2013         in .debug_loc on the floor.
2014
2015 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2016
2017         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2018
2019 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2020             Adam Nemet  <anemet@caviumnetworks.com>
2021
2022         * config/mips/mips.md (size): Add SI and DI.
2023         (SIZE): New mode attribute.
2024         (U): New code attribute.
2025         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2026         (mips_lbux_<mode>): Delete.
2027         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2028         (mips_lhx): Use gen_mips_lhx_extsi.
2029         (mips_lhx_<mode>): Delete.
2030         (mips_lwx): Delete.
2031         (mips_l<size>x): New expand.
2032         (mips_lwx_<mode>): Delete.
2033         (mips_l<GPR:size>x_<P:mode>): New pattern.
2034         (*mips_lw<u>x_<P:mode>_ext): Likewise.
2035         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2036         * config/mips/mips.c (mips_lx_address_p): New function.
2037         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2038         (dsp64): New availability predicate.
2039         (mips_builtins): Add an entry for __builtin_mips_ldx.
2040         * config/mips/mips.h (ISA_HAS_LBX): New define.
2041         (ISA_HAS_LBUX): Likewise.
2042         (ISA_HAS_LHX): Likewise.
2043         (ISA_HAS_LHUX): Likewise.
2044         (ISA_HAS_LWX): Likewise.
2045         (ISA_HAS_LWUX): Likewise.
2046         (ISA_HAS_LDX): Likewise.
2047         * doc/extend.texi (__builtin_mips_ldx): Document.
2048
2049 2012-01-04  Tristan Gingold  <gingold@adacore.com>
2050
2051         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2052         when long pointers are used.
2053         * config.build (*-*-*vms*): Handle all OpenVMS targets.
2054         (alpha64-dec-*vms*, alpha*-dec-*vms*)
2055         (ia64-hp-*vms*): Remove.
2056         * config/vms/xm-vms64.h: Delete.
2057
2058 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2059
2060         PR middle-end/51472
2061         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2062
2063 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2064
2065         * opts.c (finish_options): Remove duplicate sorry.
2066
2067 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2068
2069         PR middle-end/51696
2070         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2071         correctly.
2072
2073 2012-01-04  Richard Guenther  <rguenther@suse.de>
2074
2075         PR middle-end/51750
2076         * tree.c (size_low_cst): New function.
2077         * tree.h (size_low_cst): Declare.
2078         * fold-const.c (fold_comparison): Use it to extract the low
2079         part of the POINTER_PLUS_EXPR offset.
2080
2081 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
2082
2083         Fix clearing ZERO_REG
2084         * config/avr/avr.md (cc): Add alternative "ldi".
2085         (movqi_insn): Use it in cc attribute.
2086         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2087         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2088         (output_reload_insisf): Use ZERO_REG to pre-clear register.
2089
2090 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2091
2092         * configure: Regenerate.
2093
2094 2012-01-04  Richard Guenther  <rguenther@suse.de>
2095
2096         PR tree-optimization/49651
2097         * tree-ssa-structalias.c (type_can_have_subvars): New function.
2098         (var_can_have_subvars): Use it.
2099         (get_constraint_for_1): Only consider subfields if there can be any.
2100
2101 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2102
2103         PR bootstrap/51725
2104         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2105         to its new canonical_cselib_val and the cselib_val was in
2106         first_containing_mem chain, but the canonical_cselib_val was not,
2107         add the latter into the chain.
2108         (cselib_invalidate_mem): Compare canonical_cselib_val of
2109         addr_list chain elt with v.
2110
2111         PR pch/51722
2112         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2113         dwarf2out_undef): Allocate e.info using ggc_strdup instead
2114         of xstrdup.
2115         (output_macinfo_op): Don't ggc_strdup fd->filename.
2116         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2117         then ggc_strdup it.  Don't free inc->info or cur->info.
2118         (output_macinfo): Don't free ref->info or file->info.
2119
2120 2012-01-03  Ira Rosen  <irar@il.ibm.com>
2121
2122         PR tree-optimization/51269
2123         * tree-vect-loop-manip.c (set_prologue_iterations): Make
2124         first_niters a pointer.
2125         (slpeel_tree_peel_loop_to_edge): Likewise.
2126         (vect_do_peeling_for_loop_bound): Update call to
2127         slpeel_tree_peel_loop_to_edge.
2128         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2129         here.  Remove it from the parameters list.
2130         (vect_do_peeling_for_alignment): Update calls and compute
2131         wide_prolog_niters.
2132
2133 2012-01-03  Richard Guenther  <rguenther@suse.de>
2134
2135         PR tree-optimization/51070
2136         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2137         Properly handle calls.
2138
2139 2012-01-03  Richard Guenther  <rguenther@suse.de>
2140
2141         PR tree-optimization/51692
2142         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2143         the LHS of allocation stmts.
2144
2145 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2146
2147         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2148
2149 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2150
2151         * collect2.c (main): In AIX specific computations for vector
2152         insertions, use CONST_CAST2 to cast from char ** to const char **.
2153
2154 2012-01-03  Richard Guenther  <rguenther@suse.de>
2155
2156         PR debug/51650
2157         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2158         the context of a limbo DIE when it does not already exist.
2159
2160 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2161
2162         PR tree-optimization/51719
2163         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2164         but direct call is, clear direct call's lhs and don't add fallthrough
2165         edge from dcall_bb to join_bb and PHIs.
2166
2167 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2168
2169         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2170         the instructions emitted by the pattern.
2171         ("*TDC_insn_<mode>"): Add comment.
2172
2173 2012-01-03  Richard Guenther  <rguenther@suse.de>
2174
2175         PR middle-end/51730
2176         * fold-const.c (fold_comparison): Properly canonicalize
2177         tree offset and HOST_WIDE_INT bit position.
2178
2179 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2180
2181         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2182         operands for extzv pattern.
2183
2184 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2185
2186         PR bootstrap/51725
2187         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2188         on mem_elt first.
2189
2190 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2191
2192         * doc/invoke.texi (-flto and related options): Copy-edit.
2193
2194 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2195
2196         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2197
2198 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2199
2200         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2201         New patterns.
2202
2203 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2204
2205         * expr.h (move_by_pieces_ninsns): Declare.
2206         * expr.c (move_by_pieces_ninsns): Make external.
2207         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2208         (mips_store_by_pieces_p): Likewise.
2209         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2210         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2211         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2212         (mips_store_by_pieces_p): Likewise.
2213
2214 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2215
2216         * passes.c (register_one_dump_file): Free full_name.
2217
2218         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2219         (calculate_elim_costs_all_insns): Free offsets_at and
2220         offsets_known_at at the end and clear the pointers.
2221
2222 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2223
2224         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2225         this option introduced in r180739.
2226
2227 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2228
2229         PR target/51345
2230         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2231         (tmake_file target=avr): Add avr/t-multilib.
2232
2233         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2234         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2235         * config/avr/genmultilib.awk: New file.
2236         * config/avr/t-multilib: New auto-generated file.
2237         * config/avr/multilib.h: New auto-generated file.
2238         * config/avr/t-avr (AVR_MCUS): New variable.
2239         (genopt.sh): Use it.
2240         (s-mlib): Depend on t-multilib.
2241         (t-multilib, multilib.h): New dependencies.
2242         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2243         (MULTILIB_OPTIONS): Remove.
2244         (MULTILIB_MATCHES): Remove.
2245         (MULTILIB_DIRNAMES): Remove.
2246         (MULTILIB_EXCEPTIONS): Remove:
2247         * config/avr/genopt.sh: Don't use hard coded file name;
2248         pass AVR_MCUS from t-avr instead.
2249
2250 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2251
2252         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2253
2254 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2255
2256         Implement light-weight DImode support.
2257         * config/avr/avr-dimode.md: New file.
2258         * config/avr/avr.md: Include it.
2259         (adjust_len): Add plus64, compare64.
2260         (HIDI): Remove code iterator.
2261         (code_stdname): New code attribute.
2262         (rotx, rotsmode): Remove DI.
2263         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2264         as code iterator.
2265         * config/avr/avr-protos.h (avr_have_dimode): New.
2266         (avr_out_plus64, avr_out_compare64): New.
2267         * config/avr/avr.c (avr_out_compare): Handle DImode.
2268         (avr_have_dimode): New variable definition and initialization.
2269         (avr_out_compare64, avr_out_plus64): New functions.
2270         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2271         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2272         (avr_compare_pattern): Skip DImode comparisons.
2273
2274 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2275
2276         * ddg.c (def_has_ccmode_p): New function.
2277         (add_cross_iteration_register_deps,
2278         create_ddg_dep_from_intra_loop_link): Call it.
2279
2280 2012-01-02  Richard Guenther  <rguenther@suse.de>
2281
2282         PR other/51679
2283         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2284
2285 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2286
2287         * gcc.c (process_command): Update copyright notice dates.
2288         * gcov.c (print_version): Likewise.
2289         * gcov-dump.c (print_version): Likewise.
2290         * mips-tfile.c (main): Likewise.
2291         * mips-tdump.c (main): Likewise.
2292
2293 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2294
2295         PR tree-optimization/51704
2296         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2297         a use is inside the basic block or loop before accessing its vect info.
2298
2299 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2300
2301         PR rtl-optimization/51069
2302         * cfgloopmanip.c (remove_path): Removing path making irreducible
2303         region unconditional makes BB part of the region.
2304
2305 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2306
2307         PR tree-optimization/51683
2308         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2309         calls with side-effects.
2310         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2311 \f
2312 Copyright (C) 2012 Free Software Foundation, Inc.
2313
2314 Copying and distribution of this file, with or without modification,
2315 are permitted in any medium without royalty provided the copyright
2316 notice and this notice are preserved.