gcc/ChangeLog

   1 2012-03-05  Richard Henderson  <rth@redhat.com>
   2
   3         PR tree-opt/52242
   4         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
   5         * omp-low.c (expand_omp_atomic): Assume anything aligned to
   6         BIGGEST_ALIGNMENT is aligned.
   7
   8 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
   9
  10         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
  11
  12 2012-03-05  Richard Henderson  <rth@redhat.com>
  13
  14         PR target/52481
  15         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
  16         instead of calling negqi2 directly.
  17
  18 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  19
  20         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
  21         (INTMAX_TYPE): Use it.
  22         (UINTMAX_TYPE): Likewise.
  23         (SUBTARGET_OVERRIDE_OPTIONS): Define.
  24         (irix6_c_common_override_options): Declare.
  25         (C_COMMON_OVERRIDE_OPTIONS): Define.
  26         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
  27         * config/mips/irix6-c.c: New file.
  28         * config/mips/t-irix6 (irix6-c.o): New target.
  29         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
  30         cxx_target_objs.
  31
  32 2012-03-02  Richard Henderson  <rth@redhat.com>
  33
  34         * optabs.c (expand_atomic_test_and_set): Honor
  35         atomic_test_and_set_trueval even when atomic_test_and_set
  36         optab is not in use.
  37
  38 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
  39
  40         Backport from mainline
  41         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
  42
  43         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
  44
  45 2012-03-02  Richard Guenther  <rguenther@suse.de>
  46
  47         * DEV-PHASE: Set to prerelease.
  48
  49 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
  50
  51         * config.gcc (obsolete): Add all ARM targets using the FPA.
  52         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
  53         * doc/install.texi: Avoid references to obsolete ARM ports.
  54
  55 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
  56
  57         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
  58
  59 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
  60             Joern Rennecke  <joern.rennecke@embecosm.com>
  61
  62         * doc/extend.texi: Expand and update information on interrupt
  63         attribute for Epiphany.
  64
  65 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
  66
  67         * config/sh/sh-protos.h: Update copyright notice dates.
  68         * config/sh/sh.h: Likewise.
  69         * config/sh/sh.md: Likewise.
  70         * config/sh/constraints.md: Likewise.
  71         * config/sh/predicates.md: Likewise.
  72
  73 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
  74
  75         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
  76         * config/sh/sh.c (tertiary_reload_operand): Likewise.
  77
  78 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
  79
  80         * config/sh/constraints.md: Fix comment typo.
  81
  82 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
  83
  84         PR target/52408
  85         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
  86         unsigned HOST_WIDE_INT.
  87         (zvdep_imm64): Likewise.
  88         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
  89         (vdepi_and): Likewise.
  90         Likewise for unamed 64-bit patterns.
  91         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
  92
  93 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
  94
  95         PR debug/52001
  96         PR rtl-optimization/52417
  97         * cselib.c (cselib_any_perm_equivs): New variable.
  98         (cselib_reset_table): Check that it's not set when not
  99         preserving constants.
 100         (cselib_add_permanent_equiv): Set it.
 101         (cselib_have_permanent_equivalences): New.
 102         (cselib_init, cselib_finish): Reset it.
 103         * cselib.h (cselib_have_permanent_equivalences): Declare.
 104         * alias.c (get_addr): Restore earlier behavior when there
 105         aren't permanent equivalences.
 106
 107 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
 108
 109         * config/mn10300/mn10300-modes.def: Fix copyright notice.
 110         * config/v850/v850-modes.def: Fix copyright notice.
 111
 112 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
 113
 114         * doc/extend.texi (AVR Built-in Functions): Document
 115         __builtin_avr_flash_segment.
 116
 117         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
 118         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
 119         (*split.flash_segment): New insn-and-split.
 120         * config/avr/avr.c (avr_init_builtins): Add local variables:
 121         const_memx_void_node, const_memx_ptr_type_node,
 122         char_ftype_const_memx_ptr.
 123
 124 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
 125
 126         PR tree-optimization/52445
 127         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
 128         add ssa_name_ver, offset and size fields and change store field
 129         to bool.
 130         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
 131         (add_or_mark_expr): Likewise.  Only consider previous stores
 132         with the same size and offset.
 133         (nt_init_block): Only look at gimple_assign_single_p stmts,
 134         doesn't look at rhs2.
 135
 136 2012-03-01  Richard Guenther  <rguenther@suse.de>
 137
 138         PR middle-end/52443
 139         * tree-cfg.c (verify_gimple_assign_unary): Allow any
 140         conversions from integral types to pointer types.
 141
 142 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
 143
 144         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
 145         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
 146         unintentionally removed in r184616.
 147
 148 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
 149
 150         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
 151         3DNow from bdver1.
 152
 153 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
 154             Uros Bizjak  <ubizjak@gmail.com>
 155
 156         PR target/52437
 157         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
 158         alternatives, add "e" constraint to the new last alternative
 159         and ! to last 3 alternatives.
 160
 161 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
 162
 163         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
 164         DW_AT_artificial attributes at the end of the processing.
 165         (gen_array_type_die): Likewise.
 166         (gen_enumeration_type_die): Likewise.
 167         (gen_struct_or_union_type_die): Likewise.
 168         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
 169         the parent type.
 170
 171 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
 172
 173         PR middle-end/52419
 174         * expr.c (expand_assignment): If doing misaligned store that doesn't
 175         cover all mode bits, perform a RMW cycle.
 176
 177         PR tree-optimization/52429
 178         * tree-parloops.c (separate_decls_in_region_debug): Return early
 179         if var is LABEL_DECL.
 180
 181 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 182
 183         PR tree-optimization/52424
 184         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
 185         calling dom_thread_across_edge.
 186
 187 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
 188
 189         * config/avr/avr.c: Move definition of TARGET macros to end of file.
 190
 191 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
 192
 193         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
 194         * config/avr/avr.c (avr_output_bld): Remove unused function.
 195         (avr_out_sbxx_branch): Use "%T" to print bit position.
 196
 197 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
 198
 199         * config/avr/avr.md: Untabify.
 200
 201 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
 202
 203         * config/avr/avr.md (eqne): New code iterator.
 204         (*dec-and-branchsi): Use it in text peephole's condition.
 205         (*dec-and-branchhi): Ditto.
 206         (*dec-and-branchqi): Ditto.
 207
 208 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
 209
 210         PR target/49939
 211         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
 212         the device does not have the skip-bug.
 213
 214 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
 215
 216         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
 217         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
 218         -mpretend-cmove): New.
 219
 220 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
 221
 222         PR bootstrap/52397
 223         * df.h (struct df_d): Adjust comment that hard_regs_live_count
 224         doesn't count DEBUG_INSN refs.
 225         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
 226         for DEBUG_INSN refs.
 227
 228 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 229
 230         Partially revert:
 231
 232         2012-02-20  Richard Guenther  <rguenther@suse.de>
 233         PR tree-optimization/52298
 234         * tree-vect-stmts.c (vectorizable_load): Properly use
 235         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
 236         outer loops.
 237
 238 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
 239
 240         PR middle-end/51752
 241         * gimple.h (gimple_in_transaction): New.
 242         (gimple_set_in_transaction): New.
 243         (struct gimple_statement_base): Add in_transaction field.
 244         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
 245         transaction loads.
 246         (tree_ssa_lim_initialize): Compute transaction bits.
 247         * tree.h (compute_transaction_bits): Protoize.
 248         * trans-mem.c (tm_region_init): Use the heap to store BB
 249         auxilliary data.
 250         (compute_transaction_bits): New.
 251
 252 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 253
 254         * gcc.c (display_help): Document --help=common and sort entries
 255         alphabetically.
 256
 257 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 258
 259         * doc/install.texi: Document check-$LANG specific shortcuts
 260
 261 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 262
 263         PR target/51534
 264         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
 265         and vcgtu.
 266         * config/arm/arm_neon.h: Regenerate.
 267         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
 268         (neon_vcgeu): New insn.
 269         (neon_vcgtu): Likewise.
 270         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
 271         (ops): Unsigned comparison intrinsics call a different
 272         builtin.
 273
 274 2012-02-28  Richard Guenther  <rguenther@suse.de>
 275
 276         PR target/52407
 277         * config/i386/i386.c (ix86_expand_vector_set): Fix element
 278         ordering for the VEC_CONCAT for two element vectors for
 279         V2SFmode, V2SImode and V2DImode.
 280
 281 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
 282
 283         PR target/49448
 284         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
 285         detecting big-endian triplets.
 286
 287 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
 288
 289         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
 290         mode if there is no type information available.
 291
 292 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
 293
 294         PR tree-optimization/53207
 295         * doc/invoke.texi: Document as experimental and relying on graphite.
 296
 297 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
 298
 299         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
 300         of initializer to changes from r184614.
 301
 302 2012-02-28  Richard Guenther  <rguenther@suse.de>
 303
 304         PR tree-optimization/52395
 305         * tree-sra.c (build_ref_for_offset): Also look at the base
 306         TYPE_ALIGN when figuring out the alignment of the replacement.
 307
 308 2012-02-28  Richard Guenther  <rguenther@suse.de>
 309
 310         PR tree-optimization/52402
 311         * ipa-prop.c (ipa_modify_call_arguments): Properly use
 312         mis-aligned types when creating the accesses at the call site.
 313
 314 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
 315
 316         * config/avr/builtins.def: New file.
 317         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
 318         * config/avr/avr.c (enum avr_builtin_id): Use it.
 319         (avr_init_builtins): Use it. And use avr_bdesc.
 320         (bdesc_1arg): Remove.
 321         (bdesc_2arg): Remove.
 322         (bdesc_3arg): Remove.
 323         (struct avr_builtin_description): Add field n_args.
 324         (avr_bdesc): New static variable using builtins.def.
 325         (avr_expand_builtin): Use it.
 326         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
 327         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
 328         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
 329
 330 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
 331
 332         PR target/52148
 333         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
 334         match only one single hard register with respective hard reg rtx.
 335         (movmemx_<mode>): Ditto.
 336         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
 337         insn anatomy of movmem[x]_<mode>.
 338         (avr_out_movmem): Same for printing assembler and operand usage.
 339
 340 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
 341
 342         PR target/49868
 343         PR target/52261
 344         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
 345         address spaces located outside of device flash.
 346
 347         * config/avr/avr.h (base_arch_s): Remove field n_segments.
 348         (mcu_type_s): Add field n_flash.
 349         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
 350         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
 351         (AVR_MCU): Add N_FLASH argument.
 352         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
 353         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
 354         macro __FLASH<n> if that address space makes sense for the device.
 355         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
 356         outside of target flash.
 357         (avr_asm_named_section): Ditto.
 358         (avr_asm_select_section): Ditto.
 359         (avr_addr_space_convert): Ditto.
 360         (avr_emit_movmemhi): Ditto.
 361         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
 362         address space is outside of device flash.
 363         (avr_insert_attributes): Ditto.
 364         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
 365         avr_current_arch->n_segments.
 366
 367 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
 368
 369         PR target/52352
 370         * config/i386/i386.md (*movabs<mode>_1): Enable only for
 371         TARGET_LP64.
 372         (*movabs<mode>_2): Likewise.
 373
 374 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
 375
 376         PR target/52375
 377         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
 378         s_register_operand in the test instead of REG_P.  Don't call
 379         gen_reg_rtx if it won't be used.
 380
 381         PR tree-optimization/52376
 382         * ipa-split.c (split_function): Ignore CLOBBER stmts.
 383
 384 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
 385
 386         * ifcvt.c (noce_get_condition): Check condition variable is not
 387         small_register_classes_for_mode_p before accepting.
 388
 389 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
 390
 391         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
 392
 393 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 394
 395         Revert:
 396         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 397         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
 398         tuning parameters.
 399         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
 400
 401 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
 402
 403         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
 404
 405 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
 406
 407         * config/sh/predicates.md: Remove blank lines.
 408         * config/sh/sh.c: Fix typos in comments.
 409         * config/sh/constraints.md: Likewise.
 410         * config/sh/sh.md: Remove blank lines.
 411         Fix typos in comments.  Use ;; as comment characters.
 412
 413 2012-02-26  Walter Lee  <walt@tilera.com>
 414
 415         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
 416         (replace_mov_pcrel_step2): Ditto.
 417
 418 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
 419
 420         PR debug/52001
 421         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
 422         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
 423         and locs that reference values newer than the non-canonical value
 424         at hand.  Return the canonical value as a worst case.
 425         (memrefs_conflict_p): Walk canonical value's locs.
 426
 427         PR debug/52001
 428         * cselib.c (preserve_only_constants): Rename to...
 429         (preserve_constants_and_equivs): ... this.  Split out...
 430         (invariant_or_equiv_p): ... this.  Preserve plus expressions
 431         of other preserved expressions too.
 432         (cselib_reset_table): Adjust.
 433         * var-tracking.c (reverse_op): Use canonical value to build
 434         reverse operation.
 435
 436 2012-02-23  Kai Tietz  <ktietz@redhat.com>
 437
 438         * config/i386/i386.c (ix86_delegitimize_address): Handle
 439         UNSPEC_PCREL plus displacement.
 440
 441 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
 442
 443         PR target/52261
 444         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
 445         to test for unusedness in st X addressing.
 446
 447 2012-02-24  Richard Guenther  <rguenther@suse.de>
 448
 449         PR middle-end/52361
 450         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
 451         (is_gimple_reg_type): Move inline ...
 452         * gimple.h (is_gimple_reg_type): ... here.
 453
 454 2012-02-24  Richard Guenther  <rguenther@suse.de>
 455
 456         PR middle-end/52361
 457         * passes.c (execute_function_todo): When verifying SSA form
 458         verify gimple form first.
 459         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
 460
 461 2012-02-24  Richard Guenther  <rguenther@suse.de>
 462
 463         PR middle-end/52355
 464         * fold-const.c (fold_addr_of_array_ref_difference): New function.
 465         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
 466
 467 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 468
 469         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
 470
 471 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 472
 473         * tree-phinodes.c (make_phi_node): Mark static.
 474         * tree-flow.h (make_phi_node): Remove extern decl.
 475         * doc/gimple.texi (make_phi_node): Remove documentation.
 476
 477 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 478
 479         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
 480         * tree-ssa-sccvn.c (print_scc): Ditto.
 481
 482 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 483
 484         * doc/passes.texi (Full redundancy elimination): Fix typo.
 485
 486 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 487
 488         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
 489
 490 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
 491
 492         PR bootstrap/52287
 493         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
 494
 495 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
 496
 497         PR c/52290
 498         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
 499
 500 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
 501
 502         * config/avr/avr.md (code_stdname): Add ior, xor.
 503         (xior): New code iterator.
 504         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
 505         (*<code_stdname><mode>qi.byte1-3): Ditto.
 506
 507 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
 508
 509         PR tree-optimization/52019
 510         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
 511         CLOBBER stmts.
 512
 513 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 514
 515         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
 516         HAVE_INITFINI_ARRAY to work around namespace pollution in
 517         certain versions of newlib system headers.
 518         * config.in: Regenerate.
 519         * configure: Regenerate.
 520         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
 521         instead of HAVE_INITFINI_ARRAY.
 522
 523 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
 524
 525         PR target/52330
 526         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
 527         is not offsettable memory reference.
 528
 529 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
 530
 531         PR target/18145
 532         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
 533         setting avr_need_clear_bss_p for __gnu_lto* symbols.
 534
 535 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
 536
 537         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
 538         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
 539
 540 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 541
 542         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
 543         library on Solaris 8 even without TLS support.
 544         * configure: Regenerate.
 545
 546 2012-02-22  Richard Guenther  <rguenther@suse.de>
 547
 548         PR middle-end/52329
 549         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
 550         for GIMPLE_DEBUG stmts.
 551
 552 2012-02-22  Martin Jambor  <mjambor@suse.cz>
 553
 554         PR middle-end/51782
 555         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
 556         according to the base object.
 557
 558 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
 559
 560         PR rtl-optimization/50063
 561         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
 562         and 2 (8-bit SP) in operand 2.
 563         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
 564         setup to use movhi_sp_r instead of vanilla move to write SP.
 565         Adjust REG_CFA notes to superseed unspec.
 566         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
 567         of vanilla move.
 568         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
 569         known to be off) only with TARGET_NO_INTERRUPTS. Never use
 570         irq_state 1 (IRQ known to be on) here.
 571
 572 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
 573
 574         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
 575         WORDS_BIG_ENDIAN.
 576         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
 577         assign_hard_reg): Likewise.
 578
 579 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
 580
 581         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
 582
 583 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
 584
 585         * config/avr/avr.md
 586         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
 587         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
 588
 589 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
 590
 591         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
 592         prototype from here to...
 593         * config/avr/avr.h: ...here.
 594
 595 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
 596
 597         PR target/52294
 598         * thumb2.md (thumb2_shiftsi3_short): Split register and
 599         immediate shifts.  For register shifts tie operands 0 and 1.
 600         (peephole2 for above): Check that register-controlled shifts
 601         have suitably tied operands.
 602
 603 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
 604
 605         PR target/52137
 606         * config/i386/bdver1.md (bdver1_call, bdver1_push,
 607         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
 608         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
 609         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
 610         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
 611         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
 612         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
 613         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
 614         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
 615         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
 616         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
 617         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
 618         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
 619         bdver1_ssevector_avx256_unaligned_load,
 620         bdver1_ssevector_sse128_unaligned_load,
 621         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
 622         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
 623         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
 624         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
 625         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
 626         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
 627         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
 628         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
 629         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
 630         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
 631         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
 632         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
 633         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
 634         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
 635         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
 636         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
 637         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
 638         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
 639         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
 640         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
 641         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
 642         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
 643         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
 644         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
 645         bdver1_ssediv_double_load, bdver1_ssediv_double,
 646         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
 647         Add "bdver2" attribute.
 648
 649 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 650
 651         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
 652         default if possible and not specified otherwise.
 653
 654 2012-02-21  Richard Guenther  <rguenther@suse.de>
 655
 656         PR middle-end/52314
 657         * gimplify.c (create_tmp_from_val): Use the main variant type
 658         for the type of the temporary we create.
 659
 660 2012-02-21  Richard Guenther  <rguenther@suse.de>
 661
 662         PR tree-optimization/52324
 663         * gimplify.c (gimplify_expr): When re-gimplifying expressions
 664         do not gimplify a MEM_REF address operand if it is already
 665         in suitable form.
 666
 667 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 668
 669         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
 670         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
 671
 672 2012-02-21  Richard Guenther  <rguenther@suse.de>
 673
 674         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
 675         nested_in_vect_loop.
 676
 677 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
 678
 679         PR tree-optimization/52318
 680         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
 681         vdef also to non-pure/const call stmts in the sequence.
 682
 683 2012-02-20  David S. Miller  <davem@davemloft.net>
 684
 685         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
 686         don't use the "rd %pc" instruction on v9 for PIC register loads.
 687
 688 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
 689
 690         PR middle-end/52141
 691         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
 692         in a transaction safe function.
 693
 694 2012-02-20  Kai Tietz  <ktietz@redhat.com>
 695
 696         PR target/52238
 697         * stor-layout.c (place_field): Handle desired_align for
 698         ms-bitfields, too.
 699
 700 2012-02-20  Richard Guenther  <rguenther@suse.de>
 701
 702         PR tree-optimization/52298
 703         * tree-vect-stmts.c (vectorizable_store): Properly use
 704         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
 705         outer loops.
 706         (vectorizable_load): Likewise.
 707         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
 708         Access DR_STEP after ensuring it is not NULL.
 709
 710 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
 711
 712         PR tree-optimization/52286
 713         * fold-const.c (fold_binary_loc): For (X & C1) | C2
 714         optimization use double_int_to_tree instead of build_int_cst_wide,
 715         rewrite to use double_int vars.
 716
 717 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 718
 719         PR target/50166
 720         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
 721         Define _start.
 722         Remove -e 0 from $gcc_cv_ld invocation.
 723         Only use __GLIBC_PREREQ if defined.
 724         Enable on Solaris since Solaris 8 patch.
 725         (gcc_SUN_LD_VERSION): New macro.
 726         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
 727         gcc_SUN_LD_VERSION for version number format.
 728         * configure: Regenerate.
 729         * varasm.c (get_elf_initfini_array_priority_section): Set
 730         SECTION_NOTYPE for non-default priority.
 731         Use get_section instead of get_unnamed_section to emit
 732         .init_array/.fini_array with default priority.
 733
 734 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
 735
 736         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
 737         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
 738         (mips_start_unique_function, mips_output_mips16_rdhwr)
 739         (mips_code_end): New functions.
 740         (TARGET_ASM_CODE_END): Define.
 741
 742 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
 743
 744         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
 745         to stubs with non-sibling calls.
 746
 747 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
 748
 749         * doc/invoke.texi (-fira-* options): Copy-edit.
 750         (ira-* parameters): Copy-edit.
 751
 752 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
 753
 754         * doc/invoke.texi: Minor copy-edits to bring into conformance with
 755         GCC coding conventions.
 756
 757 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
 758
 759         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
 760         when used as adjectives.
 761
 762 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
 763
 764         * doc/invoke.texi: Clean up "that"/"which" confusion.
 765
 766 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
 767
 768         * system.h: Poison SMALL_REGISTER_CLASSES
 769         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
 770         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
 771
 772 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
 773
 774         PR tree-optimization/52285
 775         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
 776         when deciding if a call is a tail call or tail recursion.
 777
 778 2012-02-16  Kai Tietz  <ktietz@redhat.com>
 779
 780         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
 781         interger-constant displacement for UNSPEC_PCREL.
 782
 783 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
 784
 785         PR rtl-optimization/52208
 786         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
 787         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
 788
 789         PR tree-optimization/52255
 790         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
 791         loop->header has virtual PHI, but exit_e->dest doesn't, add
 792         virtual PHI to exit_e->dest and adjust all uses after the loop.
 793
 794         PR debug/52260
 795         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
 796         children with clone_tree_hash, not after it.
 797
 798 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
 799
 800         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
 801         extended identifiers.
 802
 803 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
 804
 805         PR middle-end/51929
 806         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
 807         a same_body_alias, also test whether e->callee isn't a former
 808         or current clone of the decl this is a same body alias of.
 809
 810         PR translation/52264
 811         * cgraphunit.c (verify_cgraph_node): Fix a typo.
 812
 813 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
 814
 815         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
 816
 817 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
 818
 819         PR target/52199
 820         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
 821         force_reg instead of copy_to_reg for better optimization.  Force
 822         non-register or memory operands into a register.
 823
 824 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
 825
 826         * extend.texi: Reserve upper bits of memory model for future use.
 827
 828 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
 829             Anatoly Sokolov <aesok@post.ru>
 830             Eric Weddington <eric.weddington@atmel.com>
 831
 832         PR target/52261
 833         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
 834         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
 835         Rewrite initializers for .macro.
 836         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
 837         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
 838         atxmega32d4, atxmega32x1.
 839         avrxmega4: atxmega64a3, atxmega64d3.
 840         avrxmega5: atxmega64a1, atxmega64a1u.
 841         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
 842         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
 843         avrxmega7: atxmega128a1, atxmega128a1u.
 844         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
 845         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
 846         (struct base_arch_s): Rename reserved to xmega_p.
 847         Rename reserved2 to have_rampd.
 848         (AVR_XMEGA): New define.
 849         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
 850         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
 851         * config/avr/predicates.md (io_address_operand): Take into
 852         account SFR offset.
 853         (low_io_address_operand): Ditto.
 854         (high_io_address_operand): Ditto.
 855         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
 856         (enabled, movhi_sp_r): Use them.
 857         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
 858         cpp_define_formatted to built-in define __AVR_ARCH__.
 859         (__AVR_XMEGA__): New built-in define.
 860         (__AVR_HAVE_RAMPD__): New built-in define.
 861         (__AVR_HAVE_RAMPX__): New built-in define.
 862         (__AVR_HAVE_RAMPY__): New built-in define.
 863         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
 864
 865         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
 866         (avr_option_override): Initialize them.
 867         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
 868         (avr_init_expanders): Initialize them. No more block several calls.
 869         (emit_push_sfr): New static function.
 870         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
 871         Handle AVR_XMEGA.
 872         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
 873         (avr_print_operand): Print addreeses as symbols for
 874         RAMPX, RAMPY, RAMPD, CCP.
 875         (output_movhi): Handle AVR_XMEGA when writing to SP.
 876         (avr_out_movhi_mr_r_xmega): New static function.
 877         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
 878         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
 879         __RAMPD__,  __CCP__ as needed.
 880
 881         * config/avr/multilib.h: Regenerate.
 882         * config/avr/t-multilib: Regenerate.
 883         * config/avr/avr-tables.opt: Regenerate.
 884
 885 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
 886
 887         PR tree-optimization/50561
 888         * graphite-flattening.c (lst_project_loop): Do not
 889         remove old scattering dimensions after flattening.
 890         (lst_do_flatten): Likewise.
 891
 892 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
 893
 894         * doc/extend.texi (AVR Built-in Functions): Remove doc for
 895         __builtin_avr_map8, __builtin_avr_map16.
 896         Document __builtin_avr_insert_bits.
 897
 898         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
 899         (insert_bits): New insn.
 900         (adjust_len.map_bits): Rename to insert_bits.
 901         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
 902         * avr-protos.h (avr_out_map_bits): Remove.
 903         (avr_out_insert_bits, avr_has_nibble_0xf): New.
 904         * config/avr/constraints.md (Cxf,C0f): New.
 905         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
 906         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
 907         New built-in define __BUILTIN_AVR_INSERT_BITS.
 908         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
 909         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
 910         (avr_move_bits): Rewrite.
 911         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
 912         functions.
 913         (avr_map_op_t): New typedef.
 914         (avr_map_op): New static variable.
 915         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
 916         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
 917         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
 918         (bdesc_3arg, avr_expand_triop_builtin): New.
 919         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
 920         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
 921         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
 922         (avr_map_equal_p, avr_map_sig_p): Remove.
 923         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
 924         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
 925         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
 926         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
 927         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
 928         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
 929
 930 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
 931
 932         * config/c6x/c6x.md (reserve_cycles): New attribute.
 933         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
 934         don't reserve functional units after the branch occurs.
 935
 936 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
 937
 938         PR middle-end/52142
 939         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
 940         functions into non-tm_pure functions.
 941
 942 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 943
 944         PR lto/52178
 945         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
 946         (iterative_hash_canonical_type): Likewise.
 947         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
 948         the dead edges.
 949
 950 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
 951
 952         * haifa-sched.c (prune_ready_list): Ensure that if there is a
 953         sched-group insn, it either remains alone or the entire list is pruned.
 954
 955 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
 956
 957         * doc/install.texi (Prerequisites): Fix grammar.
 958         (Configuration): Likewise.
 959
 960 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
 961
 962         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
 963         MPC as part of GCC before describing configuring with --with-gmp etc.
 964         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
 965         sources are present.
 966
 967 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
 968
 969         PR debug/51950
 970         * dwarf2out.c (clone_tree_hash): New function.
 971         (copy_decls_walk): Use it instead of clone_tree.
 972
 973 2012-02-14  Richard Guenther  <rguenther@suse.de>
 974
 975         PR tree-optimization/52244
 976         PR tree-optimization/51528
 977         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
 978         replacements for integral types.
 979
 980 2012-02-14  Walter Lee  <walt@tilera.com>
 981
 982         * config.gcc: Handle tilegx and tilepro.
 983         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
 984         tilegx and tilepro.
 985         Add HAVE_AS_TLS check for tilegx and tilepro.
 986         * configure: Regenerate.
 987         * doc/contrib.texi: Add Mat Hostetter and self.
 988         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
 989         Document instruction intrinsics and network accessing intrinsics.
 990         (TILEPro Built-in Functions): New node.  Document instruction
 991         intrinsics and network accessing intrinsics.
 992         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
 993         (Specific, tilepro-*-linux*): Likewise.
 994         * doc/invoke.texi (TILE-Gx Options): New section.
 995         (TILEPro Options): New section.
 996         * doc/md.texi (TILE-Gx): New section.
 997         (TILEPro): New section.
 998         * common/config/tilegx/tilegx-common.c: New file.
 999         * common/config/tilepro/tilepro-common.c: New file.
1000         * config/tilegx/constraints.md: New file.
1001         * config/tilegx/linux.h: New file.
1002         * config/tilegx/mul-tables.c: New file.
1003         * config/tilegx/predicates.md: New file.
1004         * config/tilegx/sync.md: New file.
1005         * config/tilegx/t-tilegx: New file.
1006         * config/tilegx/tilegx-builtins.h: New file.
1007         * config/tilegx/tilegx-c.c: New file.
1008         * config/tilegx/tilegx-generic.md: New file.
1009         * config/tilegx/tilegx-modes.def: New file.
1010         * config/tilegx/tilegx-multiply.h: New file.
1011         * config/tilegx/tilegx-protos.h: New file.
1012         * config/tilegx/tilegx.c: New file.
1013         * config/tilegx/tilegx.h: New file.
1014         * config/tilegx/tilegx.md: New file.
1015         * config/tilegx/tilegx.opt: New file.
1016         * config/tilepro/constraints.md: New file.
1017         * config/tilepro/gen-mul-tables.cc: New file.
1018         * config/tilepro/linux.h: New file.
1019         * config/tilepro/mul-tables.c: New file.
1020         * config/tilepro/predicates.md: New file.
1021         * config/tilepro/t-tilepro: New file.
1022         * config/tilepro/tilepro-builtins.h: New file.
1023         * config/tilepro/tilepro-c.c: New file.
1024         * config/tilepro/tilepro-generic.md: New file.
1025         * config/tilepro/tilepro-modes.def: New file.
1026         * config/tilepro/tilepro-multiply.h: New file.
1027         * config/tilepro/tilepro-protos.h: New file.
1028         * config/tilepro/tilepro.c: New file.
1029         * config/tilepro/tilepro.h: New file.
1030         * config/tilepro/tilepro.md: New file.
1031         * config/tilepro/tilepro.opt: New file.
1032
1033 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1034
1035         PR tree-optimization/52210
1036         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1037         vect_model_simple_cost with two entry vect_def_type array instead
1038         of an address of dt.
1039
1040 2012-02-14  Richard Guenther  <rguenther@suse.de>
1041
1042         PR lto/52178
1043         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1044         Do not stream DECL_QUALIFIER.
1045         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1046         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1047         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1048
1049 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1050
1051         PR c/52181
1052         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1053         newdecl.
1054
1055 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1056
1057         PR bootstrap/52172
1058         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1059         * cselib.c (cselib_subst_to_values_from_insn): New function.
1060         * sched-deps.c (add_insn_mem_dependence,
1061         sched_analyze_1, sched_analyze_2): Use it.
1062
1063 2012-02-13  Jan Hubicka  <jh@suse.cz>
1064
1065         PR middle-end/52214
1066         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1067
1068 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1069
1070         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1071         (GTM_SELF_SPECS): Define if not already defined.
1072         (driver_self_specs): Add GTM_SELF_SPECS.
1073         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1074         (GTM_SELF_SPECS): Define.
1075         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1076         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1077
1078 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1079
1080         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1081         away if seen.
1082
1083         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1084
1085         PR middle-end/52230
1086         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1087         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1088
1089 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1090
1091         PR c/52190
1092         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1093
1094 2012-02-13  Richard Guenther  <rguenther@suse.de>
1095
1096         PR translation/52211
1097         * passes.c (enable_disable_pass): Fix typo.
1098
1099 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1100
1101         PR middle-end/52209
1102         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1103         XOR for reduce_bit_field if type is unsigned.
1104
1105 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1106
1107         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1108         disallow changes from SFmode to mode with different size in FP regs.
1109
1110 2012-02-12  Robert Millan  <rmh@gnu.org>
1111             Gerald Pfeifer <gerald@pfeifer.com>
1112
1113         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1114         Tweak comment.
1115
1116 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1117
1118         PR rtl-optimization/52175
1119         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1120         to frame-related instructions.
1121
1122 2012-02-10  Jason Merrill  <jason@redhat.com>
1123
1124         PR c++/51910
1125         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1126         (demangle_new_symbols): Fill it.
1127         (scan_linker_output): Walk it.
1128         (start_tweaking): Split out from scan_linker_output.
1129         (maybe_tweak): Update sym->chosen.
1130         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1131
1132 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1133
1134         PR debug/52132
1135         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1136
1137 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1138
1139         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1140         having the same mode as previous compare.
1141
1142 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1143
1144         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1145         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1146         (nonlocal_goto_internal): Likewise.
1147         (nonlocal_goto): Emit a use and an indirect jump directly.
1148
1149 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1150
1151         PR c/52190
1152         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1153         __atomic_{is,always}_lock_free.
1154
1155 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1156
1157         PR target/52146
1158         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1159         negative constant address for x32.
1160
1161 2012-02-10  Richard Henderson  <rth@redhat.com>
1162
1163         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1164         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1165         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1166
1167 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1168             Ira Rosen  <irar@il.ibm.com>
1169
1170         PR tree-optimization/50031
1171         * targhooks.c (default_builtin_vectorization_cost): Handle
1172         vec_promote_demote.
1173         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1174         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1175         all types of reduction and pattern statements.
1176         (vect_estimate_min_profitable_iters): Likewise.
1177         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1178         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1179         for explicit realigns.
1180         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1181         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1182         vec_promote_demote.
1183         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1184         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1185         vec_perm for VSX and handle vec_promote_demote.
1186
1187 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1188
1189         PR middle-end/52177
1190         * builtins.c (fold_builtin_atomic_always_lock_free,
1191         expand_builtin_atomic_always_lock_free,
1192         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1193         Return and/or test boolean_true_node/boolean_false_node instead of
1194         integer_one_node/integer_zero_node.
1195
1196 2012-02-10  Jan Hubicka  <jh@suse.cz>
1197
1198         PR middle-end/48600
1199         * predict.c (predict_paths_for_bb): Prevent looping.
1200         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1201
1202 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1203
1204         * config/arm/arm.c (output_move_double): In one case properly
1205         count number of instructions that will be emitted.
1206
1207 2012-02-10  Richard Guenther  <rguenther@suse.de>
1208
1209         PR translation/52193
1210         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1211
1212 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1213
1214         PR middle-end/52140
1215         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1216
1217 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1218
1219         PR debug/52165
1220         * var-tracking.c (emit_note_insn_var_location): If
1221         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1222         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1223         non-NOTE_DURING_CALL_P insn.
1224
1225 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1226
1227         PR middle-end/51867
1228         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1229
1230 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1231
1232         PR driver/48524
1233         * gcc.c (switch_matches) Support switches with separated form,
1234         -D and -U.
1235
1236 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1237
1238         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1239         (SP_ADDR): Ditto.
1240         (RAMPZ_ADDR): Ditto.
1241         * config/avr/avr.c (avr_addr_t): New typedef.
1242         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1243         (avr_init_expanders): Initialize it.
1244         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1245         SREG_ADDR.
1246         (expand_epilogue): Ditto.
1247         (avr_print_operand): Ditto.
1248         (avr_file_start): Ditto.
1249         (avr_emit_movmemhi): Ditto.
1250
1251 2012-02-08  Richard Guenther  <rguenther@suse.de>
1252
1253         PR tree-optimization/46886
1254         * tree-flow.h (do_while_loop_p): Declare.
1255         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1256         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1257
1258 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1259
1260         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1261         always succeed for integers larger than a native word.
1262
1263 2012-02-08  Richard Guenther  <rguenther@suse.de>
1264
1265         PR rtl-optimization/52170
1266         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1267         properly handle integer vector modes.
1268
1269 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1270
1271         PR gcov-profile/52150
1272         * coverage.c: Include target.h.
1273         (build_var): Call targetm.strip_name_encoding on the assembler name.
1274         Change one _ into . or $ if the target allows it.
1275         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1276
1277         PR rtl-optimization/52139
1278         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1279         is a BARRIER after emit_insn_after_noloc, move BB_END
1280         to the last non-BARRIER insn before it.
1281
1282 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1283
1284         PR middle-end/24306
1285         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1286         (mips_gimplify_va_arg_expr): Call it instead of
1287         std_gimplify_va_arg_expr.
1288
1289 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1290
1291         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1292         message for -mno-pointers-to-nested-function.
1293
1294 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1295
1296         PR middle-end/51994
1297         * expr.c (get_inner_reference): If there is an offset, add a negative
1298         bit position to it (if any).
1299
1300 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1301
1302         PR rtl-optimization/52060
1303         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1304         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1305         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1306         and/or i0src_copy2 when needed.
1307
1308 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1309
1310         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1311         or LTOPLUGINSONAME if have_c.
1312
1313         * config/freebsd-spec.h: Add comment about what macros can be defined
1314         in this header.
1315         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1316         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1317         here instead.
1318
1319 2012-02-07  Richard Guenther  <rguenther@suse.de>
1320
1321         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1322         newline in -alias dumps.
1323
1324 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1325             Dave Korn  <dave.korn.cygwin@gmail.com>
1326
1327         PR target/40068
1328         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1329         Take care that typinfo gets dllexport-attribute.
1330
1331 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1332
1333         PR middle-end/52074
1334         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1335         if modifier < EXPAND_SUM call force_operand on the result.
1336
1337 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1338
1339         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1340         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1341         present.
1342         (epiphany_function_type): Replace types for specific interrupts with
1343         EPIPHANY_FUNCTION_INTERRUPT.
1344         (EPIPHANY_INTERRUPT_P): Update.
1345         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1346         New static function.
1347         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1348         <disinterrupt>: Affects type identity.
1349         (epiphany_handle_interrupt_attribute): Handle variable number of
1350         arguments.
1351         (epiphany_compute_function_type): Update for new
1352         epiphany_function_type definition.
1353         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1354         handlers with a longcall forwarder.
1355         (epiphany_start_function): Handle multiple interrupt arguments and/or
1356         forwarder_section attribute.
1357
1358         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1359         libgloss.
1360
1361 2012-02-07  Alan Modra  <amodra@gmail.com>
1362
1363         PR target/52107
1364         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1365         subregs of TFmode.
1366
1367 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1368
1369         PR tree-optimization/50969
1370         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1371         use vec_perm rather than vector_stmt.
1372         (vect_model_load_cost): Likewise.
1373         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1374         vec_perm to be the same as other vector statements.
1375         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1376         cost of vec_perm for TARGET_VSX.
1377
1378 2012-02-06  Richard Guenther  <rguenther@suse.de>
1379
1380         PR tree-optimization/52115
1381         * tree-sra.c (access_has_replacements_p): New function.
1382         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1383
1384 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1385
1386         PR middle-end/52047
1387         * trans-mem.c (expand_call_tm): Add an assertion.
1388         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1389         functions.
1390
1391 2012-02-06  Richard Guenther  <rguenther@suse.de>
1392
1393         PR tree-optimization/50955
1394         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1395         raise cost of expressions that replace an address with an
1396         expression based on a different pointer.
1397
1398 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1399
1400         PR target/52129
1401         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1402         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1403
1404 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
1405
1406         PR c++/48680
1407         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1408         -Weffc++ and specify guidelines come from second edition.
1409
1410 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1411
1412         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1413         (sibcall_value_multiple_internal, call_split, call_internal_direct)
1414         (call_direct_split, call_value_split, call_value_internal_direct)
1415         (call_value_direct_split, call_value_multiple_split): Use jal and
1416         jal_macro attributes.
1417
1418 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1419
1420         * reload1.c (reload_regs_reach_end_p): Replace with...
1421         (reload_reg_rtx_reaches_end_p): ...this function.
1422         (new_spill_reg_store): Update commentary.
1423         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1424         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1425         before setting new_spill_reg_store.
1426         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1427         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1428         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1429         for non-spill reload registers.
1430
1431 2012-02-05  Ira Rosen  <irar@il.ibm.com>
1432
1433         PR tree-optimization/52091
1434         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1435         (vect_is_simple_use_1): Likewise.
1436         * tree-vect-loop.c (vectorizable_reduction): Update calls
1437         to vect_is_simple_use_1 and vect_is_simple_use.
1438         (vectorizable_live_operation): Likewise.
1439         * tree-vect-patterns.c (widened_name_p,
1440         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1441         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1442         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1443         vectorizable_shift,vectorizable_operation, vectorizable_store,
1444         vectorizable_load): Likewise.
1445         (vect_is_simple_cond): Add an argument, pass it to
1446         vect_is_simple_use_1.
1447         (vectorizable_condition): Update calls to vect_is_simple_cond,
1448         vect_is_simple_use.
1449         (vect_is_simple_use): Add an argument, the statement in which
1450         OPERAND is used.  Check that if OPERAND's def stmt is a double
1451         reduction phi node, the use is a phi node too.
1452         (vect_is_simple_use_1): Add an argument, pass it to
1453         vect_is_simple_use.
1454         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1455         to vect_is_simple_use.
1456
1457 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
1458
1459         PR rtl-optimization/52095
1460         * modulo-sched.c (dump_insn_locator): New function.
1461         (loop_canon_p, sms_schedule): Use it.
1462
1463         PR rtl-optimization/52113
1464         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1465         even for decomposable shift/zext insns.
1466
1467 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
1468             Zdenek Dvorak  <ook@ucw.cz>
1469
1470         PR rtl-optimization/52092
1471         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1472         on get_iv_value result.
1473
1474 2012-02-02  Andrew Pinski  <apinski@cavium.com>
1475
1476         PR middle-end/47982
1477         PR middle-end/43967
1478         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1479
1480 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1481
1482         PR middle-end/48071
1483         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1484
1485 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
1486
1487         PR rtl-optimization/49800
1488         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1489         (sched_finish): Call regstat_free_n_sets_and_refs.
1490
1491 2012-02-02  Jia Liu  <proljc@gmail.com>
1492
1493         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1494         than operand 2.
1495
1496 2012-02-02  Jan Hubicka  <jh@suse.cz>
1497             Tom de Vries  <tom@codesourcery.com>
1498
1499         PR middle-end/51998
1500         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1501         * varpool.c (varpool_analyze_pending_decls): Likewise.
1502
1503 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1504             Jayant R Sonar <jayant.sonar@kpitcummins.com>
1505
1506         * config.gcc: Add cr16-* support.
1507
1508         * doc/extend.texi: Document cr16 extensions.
1509         * doc/install.texi: Document cr16 install.
1510         * doc/invoke.texi: Document cr16 options.
1511         * doc/md.texi: Document cr16 constraints.
1512
1513         * common/config/cr16/cr16-common.c: New file.
1514         * config/cr16/cr16.c: New file.
1515         * config/cr16/cr16.h: New file.
1516         * config/cr16/cr16.md: New file.
1517         * config/cr16/cr16.opt: New file.
1518         * config/cr16/cr16-protos.h: New file.
1519         * config/cr16/predicates.md: New file.
1520         * config/cr16/constraints.md: New file.
1521         * config/cr16/t-cr16: New file.
1522
1523 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1524
1525         PR target/52086
1526         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1527         that operands[2] is either immediate, or q_regs_operand.
1528
1529         PR tree-optimization/52073
1530         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1531         a pattern stmt for pattern uses, ignore uses outside of the loop.
1532
1533 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1534
1535         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1536         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1537         (OUT_AS1, OUT_AS2): Remove.
1538
1539 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1540
1541         PR rtl-optimization/51374
1542         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1543         to cross other volatile_refs_p insns.
1544
1545 2012-02-01  Richard Guenther  <rguenther@suse.de>
1546
1547         * doc/invoke.texi (fno-inline): Clarify documentation.
1548         (finline-small-functions): Likewise.
1549         (finline-functions): Likewise.
1550         * common.opt (finline): Adjust comment and documentation.
1551         (finline-small-functions): Clarify documentation.
1552         (finline-functions): Likewise.
1553         (finline-functions-called-once): Likewise.
1554
1555 2012-02-01  Tristan Gingold  <gingold@adacore.com>
1556
1557         * c-typeck.c (composite_type): Keep mode for pointers.
1558
1559 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
1560
1561         * function.h (regno_reg_rtx): Adjust comment.
1562         * reginfo.c (init_reg_modes_target): Only use the previous mode
1563         if it fits within one register.  Remove MIPS comment.
1564
1565 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1566
1567         PR bootstrap/52058
1568         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1569
1570 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1571
1572         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1573         to srak instruction.
1574
1575 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1576
1577         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1578
1579 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1580
1581         PR bootstrap/52041
1582         PR bootstrap/52039
1583         PR target/51974
1584         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1585
1586 2012-01-31  Richard Guenther  <rguenther@suse.de>
1587
1588         PR tree-optimization/51528
1589         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1590         assigns.
1591
1592 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1593
1594         PR bootstrap/52041
1595         PR bootstrap/52039
1596         PR target/51974
1597         * ree.c (add_removable_extension): Change def_map argument
1598         to unsigned *, store in def_map 1 + offset into *insn_list vector
1599         instead of pointers into the vector.
1600         (find_removable_extensions): Adjust caller.
1601
1602 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1603
1604         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1605         Transform all "* quoted-c-code" to { c-code }.
1606         Remove redundant test for "optimize" in combine patterns.
1607         Move (include "avr-dimode.md") to end of file.
1608
1609 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
1610
1611         PR target/51835
1612         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1613         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1614
1615 2012-01-30  Richard Guenther  <rguenther@suse.de>
1616
1617         PR tree-optimization/52028
1618         * tree-loop-distribution.c (ldist_gen): Properly update
1619         virtual SSA form.
1620
1621 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
1622
1623         PR debug/52027
1624         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1625         set_cur_line_info_table if not emitting debug info.
1626
1627         PR tree-optimization/52046
1628         * tree-vect-patterns.c (check_bool_pattern): Give up if
1629         a comparison could throw.
1630
1631         PR debug/52048
1632         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1633
1634 2012-01-30  Richard Guenther  <rguenther@suse.de>
1635
1636         PR tree-optimization/52045
1637         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1638         SSA form if cfgcleanup did anything.
1639
1640 2012-01-30  Richard Guenther  <rguenther@suse.de>
1641
1642         PR tree-optimization/52045
1643         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1644         before computing final todo.
1645
1646 2012-01-30  Richard Guenther  <rguenther@suse.de>
1647
1648         PR tree-optimization/51528
1649         * tree-sra.c (sra_modify_assign): Re-factor in preparation
1650         for PR51528 fix.
1651
1652 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
1653
1654         * df-problems.c (df_kill_notes): Check that the use refers
1655         to the note under examination.
1656
1657 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
1658
1659         PR target/51920
1660         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1661         parameter and use short-lived pseudos.
1662         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1663         (sparc_expand_vector_init): Const-ify local variables and adjust
1664         calls to above functions.
1665
1666 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1667
1668         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1669
1670 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
1671
1672         * doc/invoke.texi: Make usage of "compile time" and
1673         "run time"/"runtime" consistent throughout the file.
1674
1675 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
1676
1677         * config/alpha/alpha.c (alpha_option_override): Default to
1678         full IEEE compliance mode for Go language.
1679
1680 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
1681
1682         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1683         (LINK_SSP_SPEC): Define.
1684
1685 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1686
1687         PR target/51871
1688         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1689         stubs.
1690
1691 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
1692
1693         * doc/invoke.texi: Correct hyphenation of "floating point",
1694         "double precision", and related terminology throughout the file.
1695
1696 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
1697
1698         PR target/52006
1699         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1700         arm_general_register_operand predicate for operand 2 instead of
1701         register_operand.
1702
1703 2012-01-27  Ian Lance Taylor  <iant@google.com>
1704
1705         PR go/47656
1706         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1707         * builtins.c (expand_builtin_init_trampoline): Add onstack
1708         parameter.  Change caller.
1709         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1710         * tree.c (build_common_builtin_nodes): Declare
1711         __builtin_init_heap_trampoline.
1712
1713 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
1714
1715         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1716         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1717         * config/avr/avr.c: Ditto.
1718         (avr_regnames): Remove because unused.
1719         * config/avr/avr.md (*cpse.ne): New peephole.
1720         (*cpse.eq): New peephole from former cpse peepholes.
1721
1722 2012-01-27  Michael Eager  <eager@eagercon.com>
1723
1724         * config/microblaze.c (microblaze_emit_compare): Correct
1725         test after pcmp instruction.
1726
1727 2012-01-27  Richard Guenther  <rguenther@suse.de>
1728
1729         PR tree-optimization/52020
1730         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1731
1732 2012-01-27  Richard Guenther  <rguenther@suse.de>
1733
1734         * ipa-pure-const.c (check_stmt): Clobbers do not make a
1735         function non-const/pure.
1736
1737 2012-01-27  Richard Guenther  <rguenther@suse.de>
1738
1739         PR tree-optimization/50444
1740         * tree-sra.c (build_ref_for_offset): Properly adjust the
1741         MEM_REF type for unaligned accesses.
1742
1743 2012-01-27  Richard Guenther  <rguenther@suse.de>
1744
1745         PR tree-optimization/50444
1746         * expr.c (mem_ref_refers_to_non_mem_p): New function.
1747         (expand_assignment): Use it.  Properly handle misaligned
1748         bases when expanding stores to component references.
1749         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1750         refactor that case.
1751
1752 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
1753
1754         PR middle-end/51389
1755         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1756         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1757         * tree-data-ref.c (find_data_references_in_loop): Make static.
1758         (compute_all_dependences): Change return type to bool.  Bail out
1759         for too many datarefs in a loop.  Move the hunk resetting the data
1760         dependences vector from ...
1761         (compute_data_dependences_for_loop): ... here.  Account for
1762         compute_all_dependences returning false.
1763         (compute_data_dependences_for_bb): Likewise.
1764         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1765         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1766
1767 2012-01-27  Richard Guenther  <rguenther@suse.de>
1768
1769         PR middle-end/51959
1770         * expr.c (store_field): Use the alias-set of the scratch memory
1771         for storing to it.
1772
1773 2012-01-27  Tom de Vries  <tom@codesourcery.com>
1774
1775         PR tree-optimization/51990
1776         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1777         WITH_SIZE_EXPR.
1778         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1779
1780 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
1781
1782         PR debug/52001
1783         * var-tracking.c (reverse_op): Don't add any reverse operation
1784         if V already has any constant locations.
1785
1786 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1787
1788         * doc/invoke.texi: Correct usage of "command line" (noun)
1789         vs "command-line" (adjective) throughout.
1790
1791 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1792
1793         * doc/invoke.texi (Language Independent Options): Move
1794         -Wcoverage-mismatch blurb from here....
1795         (Warning Options): ...to here.
1796
1797 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
1798
1799         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1800         Set rs6000_always_hint to false for 476.
1801
1802 2012-01-27  Matthias Klose  <doko@ubuntu.com>
1803
1804         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1805           system root.
1806         * incpath.c (add_standard_paths): Likewise.
1807
1808 2012-01-27  Richard Henderson  <rth@redhat.com>
1809
1810         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1811         * config/m68k/sync.md (atomic_test_and_set): Rename from
1812         sync_test_and_setqi and adjust the operands.
1813         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1814         and unconditionally enable.
1815
1816 2012-01-27  Richard Henderson  <rth@redhat.com>
1817
1818         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1819         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1820         (ldstub): Rename from ldstubqi.
1821         (ldstub<I24MODE>): Remove.
1822
1823 2012-01-27  Richard Henderson  <rth@redhat.com>
1824
1825         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1826         * c-cppbuiltin.c (cpp_atomic_builtins): Define
1827         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1828         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1829         * doc/tm.texi: Rebuild.
1830
1831 2012-01-27  Richard Henderson  <rth@redhat.com>
1832
1833         * optabs.c (gen_atomic_test_and_set): Remove default.
1834         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1835
1836 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1837
1838         PR rtl-optimization/51978
1839         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1840         (combine_reaching_defs): Likewise.
1841         (struct re_info): Remove.
1842         (add_removable_extension): Remove x and data arguments,
1843         add insn, insn_list and def_map.  Use the arguments directly
1844         instead of using struct re_info.
1845         (find_removable_extensions): Don't call add_removable_extension
1846         through note_stores, instead just call it with single_set
1847         result if non-NULL.
1848         (find_and_remove_re): Pass curr_cand->expr instead of
1849         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1850
1851 2012-01-26  Michael Matz  <matz@suse.de>
1852
1853         PR tree-optimization/46590
1854         * cfgexpand.c: Revert last change (r183305).
1855         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1856         regs.
1857         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1858         checking for emptiness.
1859
1860 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1861
1862         PR middle-end/51895
1863         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1864         non-addressable non-BLKmode base correctly.
1865
1866 2012-01-26  Michael Matz  <matz@suse.de>
1867
1868         PR tree-optimization/48794
1869         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1870         regions referenced from RESX/EH_DISPATCH.
1871
1872 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1873
1874         * config/s390/s390.h: Make BRANCH_COST an option.
1875         * config/s390/s390.opt: New option -mbranch-cost.
1876
1877 2012-01-26  Richard Henderson  <rth@redhat.com>
1878
1879         Revert 2012-01-24 change:
1880         * trans-mem.c (requires_barrier): Do not instrument thread local
1881         variables and emit save/restore for them.
1882
1883 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1884
1885         PR middle-end/51986
1886         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1887         for pat == 0.
1888
1889 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
1890
1891         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1892         ASM_OPERANDS.
1893
1894 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
1895
1896         PR target/49868
1897         Rename __pgm to __flash.
1898         Rename __pgm1 to __flash1.
1899         Rename __pgm2 to __flash2.
1900         Rename __pgm3 to __flash3.
1901         Rename __pgm4 to __flash4.
1902         Rename __pgm5 to __flash5.
1903         Rename __pgmx to __memx.
1904         * doc/extend.texi (AVR Named Address Spaces)
1905         Rename address space names as indicated above.
1906         * config/avr/avr.c (avr_addrspace): Ditto.
1907
1908         * config/avr/avr-protos.h
1909         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1910         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1911         * config/avr/predicates.md: Ditto.
1912         * config/avr/avr.c Ditto, and
1913         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1914         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1915
1916         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1917         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1918         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1919         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1920         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1921         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1922         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1923         * config/avr/avr.c: Ditto.
1924         * config/avr/avr.md: Ditto.
1925
1926 2012-01-25  Jason Merrill  <jason@redhat.com>
1927
1928         PR c++/51992
1929         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1930
1931 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1932
1933         PR tree-optimization/51987
1934         * tree-data-ref.c (get_references_in_stmt): Handle references in
1935         non-volatile GIMPLE_ASM.
1936
1937 2012-01-25  Richard Guenther  <rguenther@suse.de>
1938
1939         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1940         bases are dereferenced.
1941
1942 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1943
1944         PR rtl-optimization/48374
1945         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1946
1947 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1948
1949         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1950         compute_data_dependences_for_loop returns false.
1951         * tree-parloops.c (loop_parallel_p): Likewise.
1952
1953 2012-01-25  Richard Guenther  <rguenther@suse.de>
1954
1955         * tree.h (get_pointer_alignment_1): Declare.
1956         * builtins.c (get_pointer_alignment_1): New function.
1957         (get_pointer_alignment): Use it.
1958
1959 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1960
1961         PR rtl-optimization/48308
1962         * combine.c (enum undo_kind): Add UNDO_LINKS.
1963         (struct undo): Add member l to other_contents and where.
1964         (do_SUBST_LINK): New.
1965         (SUBST_LINK): New.
1966         (try_combine): Handle LOG_LINKS for the dummy i1 case.
1967         (undo_all): Handle UNDO_LINKS.
1968
1969 2012-01-25  Richard Henderson  <rth@redhat.com>
1970
1971         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1972         mem inputs.
1973
1974 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1975
1976         * optabs.c (gen_atomic_test_and_set): Use each argument.
1977
1978 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1979
1980         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1981         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1982         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1983         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1984         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1985         TARGET_PAIRED_SINGLE_FLOAT.
1986
1987 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1988
1989         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1990         (in_struct, return_val): Remove MEM documentation.
1991         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1992         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1993         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1994         and MEM_SCALAR.
1995         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1996         * cfgexpand.c (add_alias_set_conflicts): Likewise.
1997         * expr.c (store_field): Likewise.
1998         * function.c (assign_stack_temp_for_type): Likewise.
1999         * ifcvt.c (noce_try_cmove_arith): Likewise.
2000         * reload1.c (reload): Likewise.
2001         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2002         (alpha_set_memflags): Likewise.
2003         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2004
2005 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2006
2007         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2008         parameter.
2009         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2010         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2011         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2012         varies parameter.
2013         * cselib.c (cselib_rtx_varies_p): Delete.
2014         (cselib_invalidate_mem): Update call to canon_true_dependence.
2015         * dse.c (record_store, check_mem_read_rtx): Likewise.
2016         (scan_reads_nospill): Likewise.
2017         * cse.c (check_dependence): Likewise.
2018         (cse_rtx_varies_p): Delete.
2019         * expr.c (safe_from_p): Update call to true_dependence.
2020         * ira.c (validate_equiv_mem_from_store): Likewise.
2021         (memref_referenced_p): Likewise.
2022         * postreload-gcse.c (find_mem_conflicts): Likewise.
2023         * sched-deps.c (sched_analyze_2): Likewise.
2024         * store-motion.c (load_kills_store): Likewise.
2025         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2026         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2027         (compute_transp): Update call to canon_true_dependence.
2028
2029 2012-01-25  Richard Henderson  <rth@redhat.com>
2030
2031         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2032         (maybe_emit_atomic_test_and_set): New.
2033         (expand_sync_lock_test_and_set): Use it.
2034         (expand_atomic_test_and_set): Likewise.
2035         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2036         the implementation; clarify implementation defined details.
2037         * doc/md.texi (atomic_test_and_set): Document.
2038
2039 2012-01-25  Richard Henderson  <rth@redhat.com>
2040
2041         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2042
2043 2012-01-25  Richard Henderson  <rth@redhat.com>
2044
2045         PR target/51968
2046         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2047         to effect no-op split.
2048
2049 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2050
2051         PR lto/51698
2052         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2053         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2054         (BT_FN_VOID_PTR_INT_SIZE): New.
2055         (BT_FN_UINT_UINT_VAR): Remove.
2056         (BT_FN_UINT32_UINT32_VAR): New.
2057         (BT_FN_DOUBLE_VPTR): Remove.
2058         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2059
2060         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2061         (_ITM_changeTransactionMode): Same.
2062         (_ITM_memmoveRtWt): Change return type to void.
2063         (_ITM_memcpyRtWt): Same.
2064         (_ITM_memsetW): Same.
2065         (_ITM_RaRD): Change types to double.
2066         (_ITM_RD): Same.
2067         (_ITM_RaWD): Same.
2068         (_ITM_RfWD): Same.
2069
2070         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2071
2072 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2073             Patrick Marlier  <patrick.marlier@gmail.com>
2074
2075         * trans-mem.c (requires_barrier): Do not instrument thread local
2076         variables and emit save/restore for them.
2077
2078 2012-01-24  Jason Merrill  <jason@redhat.com>
2079
2080         PR c++/51812
2081         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2082         output static aliases.
2083
2084 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2085
2086         PR driver/47249
2087         * common.opt (-pie, -shared, pie, shared): Change from Common to
2088         Driver.
2089         * gcc.c (display_help): Display help for -pie and -shared.
2090
2091 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2092
2093         PR target/49868
2094         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2095         Remove note on size/offset limitation.
2096         (AVR Variable Attributes): Add example how to read data located
2097         with progmem.  Refer to named address spaces.
2098         * doc/invoke.texi (AVR Options): Fix typo.
2099
2100 2012-01-24  Richard Guenther  <rguenther@suse.de>
2101
2102         Forward-port to trunk
2103         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2104
2105         PR middle-end/45678
2106         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2107         op0 isn't sufficiently aligned and there is movmisalignM
2108         insn for mode, use it to load op0 into a temporary register.
2109
2110 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2111
2112         PR target/51957
2113         * target.def (const_not_ok_for_debug_p): New hook.
2114         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2115         documentation.
2116         * doc/tm.texi: Regenerated.
2117         * dwarf2out.c (const_ok_for_output_1): If
2118         targetm.const_not_ok_for_debug_p returns true, fail.
2119         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2120         function.
2121         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2122
2123 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2124
2125         PR target/51900
2126         * config/i386/predicates.md (symbolic_operand): Allow
2127         UNSPEC_PCREL as PIC expression for lea.
2128         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2129         * config/i386/i386.c (ix86_delegitimize_address): Handle
2130         UNSPEC_PCREL for none-MEM, too.
2131
2132 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2133
2134         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2135         (ipa_tm_create_version_alias): Same.
2136
2137 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2138
2139         PR libitm/51830
2140         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2141         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2142
2143 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2144             Patrick Marlier  <patrick.marlier@gmail.com>
2145             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2146
2147         PR lto/51916
2148         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2149         simple_object_start_read.
2150
2151 2012-01-23  Richard Guenther  <rguenther@suse.de>
2152
2153
2154         PR tree-optimization/51895
2155         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2156         parameter decomposition into BLKmode components.
2157
2158 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2159
2160         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2161         fake variables for restrict-qualified pointers whose pointed-to type
2162         contains a placeholder.
2163
2164 2012-01-23  Richard Guenther  <rguenther@suse.de>
2165
2166         PR tree-optimization/51949
2167         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2168
2169 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2170
2171         PR rtl-optimization/51933
2172         * ree.c (transform_ifelse): Return true right away if dstreg is
2173         already wider or equal to cand->mode.
2174         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2175         (make_defs_and_copies_lists): Remove defs_list and copies_list
2176         arguments, add state argument, just truncate state->work_list
2177         instead of always allocating and freeing the vector.  Assert that
2178         get_defs succeeds instead of returning 2.  Changed return type to bool.
2179         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2180         have ext_src_mode, see if it has been modified already with the
2181         right kind of extension and has been extended before from the
2182         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2183         just return true.  Remember the original mode in state->modified array.
2184         (combine_reaching_defs): Add state argument.  Don't allocate and
2185         free here def_list, copied_list and vec vectors, instead just
2186         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2187         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2188         Add state variable, clear vectors in it, initialize state.modified
2189         if needed.  Free all the vectors at the end and state.modified too.
2190         Don't skip a candidate if the extension expression has been modified.
2191
2192 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2193
2194         PR target/47096
2195         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2196          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2197         (extra_options) interix.opt -> i386/interix.opt"
2198         (extra_objs):Add winnt-stubs.o
2199         * configure.ac: Add interix to target_os .comm on PE check.
2200         * configure: Regenerate.
2201         * config/interix3.h: Delete and move bits to..
2202         * config/interix.h: Delete and move bits to..
2203         * config/i386/i386-interix3.h: Delete and move bits to..
2204         * config/i386/i386-interix.h: ..here.
2205         (TARGET_CPU_DEFAULT): Remove redefinition.
2206         (TARGET_ASM_CONSTRUCTOR): Undefine.
2207         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2208         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2209         (PTRDIFF_TYPE): Define.
2210         (LONG_DOUBLE_TYPE_SIZE): Define.
2211         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2212         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2213         (TARGET_SECTION_TYPE_FLAGS): Define.
2214         (ASM_DECLARE_FUNCTION_NAME): Define.
2215         (ASM_OUTPUT_EXTERNAL): Define.
2216         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2217         (ASM_OUTPUT_ALIGNED_BSS): Define.
2218         (PCC_BITFIELD_TYPE_MATTERS): Define.
2219         (USE_CONST_SECTION): Define.
2220         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2221         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2222         (SUPPORTS_ONE_ONLY): Remove.
2223         (I386_PE_STRIP_ENCODING): Define.
2224         * config/interix.opt: Delete and move bits to..
2225         * config/i386/interix.opt: ..here. New.
2226         (mpe-aligned-commons): Add.
2227         * config/i386/t-interix: Add copyright header.
2228         (winnt-stubs.o): Add rule.
2229
2230 2012-01-22  Jason Merrill  <jason@redhat.com>
2231
2232         PR c++/51832
2233         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2234         for extra name aliases.
2235
2236 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2237
2238         PR rtl-optimization/51924
2239         * ree.c (combine_set_extension): Improve debugging message.
2240         (combine_reaching_defs): Likewise.
2241         (get_defs): Rename confusingly named variable.
2242         (find_and_remove_re): Skip a candidate if the extension expression has
2243         been modified.
2244
2245 2012-01-21  Robert Millan  <rmh@gnu.org>
2246             Gerald Pfeifer  <gerald@pfeifer.com>
2247
2248         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2249         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2250
2251 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2252
2253         PR tree-optimization/51914
2254         * tree-vect-stmts.c (vectorizable_conversion): For
2255         cvt_type && modifier == WIDEN, put temporary with cvt_type
2256         at the beginning of vec_dsts and set vec_dest to temporary
2257         with vectype_out.
2258
2259 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2260
2261         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2262
2263 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2264
2265         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2266         * config/rs6000/rs6000.c: Likewise.
2267
2268 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2269
2270         PR target/51915
2271         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2272         output_move_double on a copy of operands array.
2273
2274 2012-01-20  Cary Coutant  <ccoutant@google.com>
2275             Dodji Seketeli  <dodji@redhat.com>
2276
2277         PR debug/45682
2278         * dwarf2out.c (copy_declaration_context): Return ref to parent
2279         of declaration DIE, if necessary.
2280         (remove_child_or_replace_with_skeleton): Add new parameter; update
2281         caller.  Place skeleton DIE under parent DIE of original declaration.
2282         Move call to copy_declaration_context to here ...
2283         (break_out_comdat_types): ... from here.
2284
2285 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2286
2287         PR rtl-optimization/51856
2288         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2289         flag to reloaded.
2290
2291 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2292
2293         PR target/51819
2294         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2295         hints for neon loads and stores.
2296
2297 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2298
2299         PR target/49868
2300         PR target/50887
2301         * doc/extend.texi (Named Address Spaces): Split into subsections.
2302         (AVR Named Address Spaces): New subsection.
2303         (M32C Named Address Spaces): New subsection.
2304         (RL78 Named Address Spaces): New subsection.
2305         (SPU Named Address Spaces): New subsection.
2306         (Variable Attributes): New anchor "AVR Variable Attributes".
2307         (AVR Variable Attributes): Rewrite and avoid wording
2308         "address space" in this context.
2309         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2310         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2311         (AVR Built-in Macros): New subsubsection therein.
2312         * doc/md.texi (AVR constraints): Remove "C04", "R".
2313
2314 2012-01-20  Richard Guenther  <rguenther@suse.de>
2315
2316         PR tree-optimization/51903
2317         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2318         when removing stmts.
2319
2320 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2321
2322         PR target/50313
2323         * config/arm/arm.c (arm_load_pic_register): Use
2324         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2325         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2326         (arm_pic_static_addr): Likewise.
2327         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2328         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2329         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2330         (pic_load_addr_unified): New.
2331
2332 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2333
2334         PR target/51106
2335         * function.c (instantiate_virtual_regs_in_insn): Use
2336         delete_insn_and_edges when removing a wrong asm insn.
2337
2338 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2339
2340         PR rtl-optimization/40761
2341         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2342         Add new member loop_num.
2343         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2344         (ira_build): Remove the parameter.
2345
2346         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2347         (ira.c): Do not build CFG loops for one region allocation.  Remove
2348         argument from ira_build call.
2349
2350         * ira-build.c (init_loop_tree_node): New function.
2351         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2352         loops are not built.
2353         (more_one_region_p): Check current_loops.
2354         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2355         built.
2356         (add_loop_to_tree): Process loop equal to NULL too.
2357         (form_loop_tree): Separate the case when CFG loops are not built.
2358         Use explicitly number for the root.
2359         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2360         an assertion.
2361         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2362         instead of loop->num.
2363         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2364         (mark_all_loops_for_removal): Ditto.
2365         (remove_unnecessary_regions): Separate the case when CFG loops
2366         are not built.
2367         (ira_build): Remove the parameter.  Use explicit number of regions
2368         when CFG loops are not built.
2369
2370         * ira-color.c (print_loop_title): Separate the case for the root node.
2371         Use loop_num instead of loop->num.
2372         (move_spill_restore): Use loop_num instead of loop->num.
2373
2374         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2375         (change_loop): Ditto.
2376         (change_loop): Use loop_num instead of loop->num.
2377
2378         * ira-lives.c (process_bb_node_lives): Ditto.
2379
2380         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2381
2382         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2383
2384 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2385
2386         PR libmudflap/40778
2387         * tree-mudflap.c (mf_artificial): New function.
2388         (execute_mudflap_function_ops, execute_mudflap_function_decls,
2389         mx_register_decls, mudflap_enqueue_decl): Use it.
2390
2391         PR target/51876
2392         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2393         numbers in the insn pattern.
2394
2395 2012-01-19  Michael Matz  <matz@suse.de>
2396
2397         PR tree-optimization/46590
2398         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2399         use it in remembering which conflicts we already created.
2400         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2401         bitmap.
2402
2403 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
2404
2405         PR lto/51280
2406         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2407         (merge_and_complain): Same.
2408
2409 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2410
2411         PR bootstrap/50237
2412         * config/initfini-array.h: Guard content of the header
2413         with #ifdef HAVE_INITFINI_ARRAY.
2414         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2415         Add initfini-array.h to tm_file here.
2416         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2417         * config.gcc: Don't add initfini-array.h to tm_file here.
2418         * configure: Regenerated.
2419
2420 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
2421
2422         PR rtl-optimization/51505
2423         * df-problems.c (df_kill_notes): New parameter live. Update comment.
2424         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2425         (df_note_bb_compute): Update the call to df_kill_notes.
2426
2427 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
2428
2429         * trans-mem.c (requires_barrier): Remove call to is_global_var.
2430
2431 2012-01-18  Richard Guenther  <rguenther@suse.de>
2432
2433         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2434         of conversions to void *.
2435
2436 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2437             Richard Sandiford  <rdsandiford@googlemail.com>
2438
2439         PR middle-end/50325
2440         PR middle-end/51192
2441         * optabs.h (simplify_expand_binop): Declare.
2442         * optabs.c (simplify_expand_binop): Make global.
2443         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2444         endian targets if the source cannot be exactly covered by word
2445         mode chunks.
2446
2447 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2448
2449         PR bootstrap/51872
2450         * hard-reg-set.h (struct hard_reg_set_container): New type.
2451         * target.h (struct hard_reg_set_container): Forward declare.
2452         * target.def (set_up_by_prologue): New target hook.
2453         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2454         * doc/tm.texi: Regenerated.
2455         * function.c (thread_prologue_and_epilogue_insns): Change
2456         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2457         Call targetm.set_up_by_prologue on it.
2458         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2459         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2460
2461 2012-01-17  Nick Clifton  <nickc@redhat.com>
2462
2463         * config/rx/rx.c (rx_can_use_simple_return): New function.
2464         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2465         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2466
2467 2012-01-17  Richard Guenther  <rguenther@suse.de>
2468
2469         PR middle-end/51782
2470         * expr.c (expand_assignment): Take address-space information
2471         from the address operand of MEM_REF and TARGET_MEM_REF.
2472         (expand_expr_real_1): Likewise.
2473
2474 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2475
2476         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2477         reload dump is requested.
2478
2479 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
2480
2481         PR other/51165
2482         * trans-mem.c (requires_barrier): Call may_be_aliased.
2483
2484 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2485
2486         PR tree-optimization/51877
2487         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2488         call arguments and fndecls compare equal, instead return false if they
2489         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
2490         both SSA_NAMEs that are valueized the same, or they satisfy
2491         operand_equal_p.
2492
2493 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2494
2495         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2496         Solaris 11+.
2497         * configure: Regenerate.
2498
2499 2012-01-16  Jan Hubicka  <jh@suse.cz>
2500
2501         PR c/12245
2502         PR c++/14179
2503         * convert.c (convert_to_integer): Use fold_convert for
2504         converting an INTEGER_CST to integer type.
2505
2506 2012-01-16  Jason Merrill  <jason@redhat.com>
2507
2508         PR c++/14179
2509         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2510
2511 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
2512
2513         PR bootstrap/51860
2514         * config/s390/s390.c (s390_chunkify_start): Don't skip
2515         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
2516         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2517         If insn is followed by NOTE_INSN_VAR_LOCATION or
2518         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2519         Don't use location of note insns.
2520
2521         PR tree-optimization/51865
2522         * tree-inline.c (tree_function_versioning): Call remap_decl
2523         on DECL_RESULT whenever it has VOID_TYPE_P type.
2524
2525 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2526
2527         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2528         for calls to locally-binding MIPS16 functions if only the return
2529         type uses float regs.
2530
2531 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
2532             Richard Sandiford  <rdsandiford@googlemail.com>
2533
2534         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2535         (SYMBOL_32_HIGH): Likewise.
2536         (mips_output_tls_reloc_directive): Declare.
2537         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2538         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2539         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2540         (mips_lo_relocs, mips_hi_relocs): Make extern.
2541         (mips16_stub_function): Move up file.
2542         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2543         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
2544         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
2545         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2546         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
2547         (mips_get_tp): Add MIPS16 support.
2548         (mips_legitimize_tls_address): Remove MIPS16 sorry().
2549         Generalize DTPREL and TPREL handling.
2550         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2551         Add MIPS16 TLS support.
2552         (mips_output_tls_reloc_directive): New function.
2553         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2554         * config/mips/predicates.md (symbolic_operand_with_high)
2555         (tls_reloc_operand): New predicates.
2556         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2557         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2558         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2559         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
2560         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2561         (*tls_get_tp_mips16_call_<mode>): Likewise.
2562
2563 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
2564
2565         PR rtl-optimization/51821
2566         * recog.c (peep2_find_free_register): Determine clobbered registers
2567         from insn pattern.
2568
2569 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
2570
2571         PR target/50925
2572         * config/avr/avr-protos.h: Revert change of 2012-01-09.
2573         * config/avr/avr.c: Likewise.
2574         * config/avr/avr.h: Likewise.
2575
2576 2012-01-13  Ian Lance Taylor  <iant@google.com>
2577
2578         PR c++/50012
2579         * tree.h (TYPE_QUALS): Add cast to int.
2580         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2581
2582 2012-01-13  Ian Lance Taylor  <iant@google.com>
2583
2584         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2585         comparing param_index to VEC_length result.
2586
2587 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
2588
2589         * c-decl.c: Do not include tree-mudflap.h
2590         * tree-optimize.c: Likewise.
2591         * Makefile.in: Update dependencies.
2592
2593 2012-01-13  Richard Guenther  <rguenther@suse.de>
2594
2595         PR middle-end/8081
2596         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2597         variable-sized result always use RSO.
2598
2599 2012-01-12  DJ Delorie  <dj@redhat.com>
2600
2601         * cfgexpand.c (convert_debug_memory_address): Allow any valid
2602         pointer type, not just the default pointer type.
2603
2604 2012-01-09  Richard Henderson  <rth@redhat.com>
2605             Denis Chertykov  <chertykov@gmail.com>
2606
2607         PR target/50925
2608         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2609         * config/avr/avr.c (avr_can_eliminate): Simplify.
2610         (avr_initial_elimination_offset): Likewise.
2611         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2612         (expand_epilogue): Likewise.
2613         (avr_legitimize_address): Gut.
2614         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2615         (avr_hard_regno_nregs): New.
2616         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2617         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2618         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2619         add soft frame pointer.
2620         (CALL_USED_REGISTERS): Likewise.
2621         (REG_CLASS_CONTENTS): Likewise.
2622         (REGISTER_NAMES): Likewise.
2623         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2624         (HARD_FRAME_POINTER_REGNUM): New.
2625         (FRAME_POINTER_REGNUM): Use soft frame pointer.
2626         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2627         remove the HARD_FRAME_POINTER self-elimination.
2628
2629 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
2630
2631         PR target/51756
2632         * config/avr/avr.c (avr_encode_section_info): Test for absence of
2633         DECL_EXTERNAL when checking for initializers of progmem variables.
2634
2635 2012-01-12  Ira Rosen  <irar@il.ibm.com>
2636
2637         PR tree-optimization/51799
2638         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2639         that the last operation is a type demotion.
2640
2641 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
2642
2643         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2644         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2645
2646 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
2647
2648         PR bootstrap/51796
2649         * combine.c (distribute_notes): If i3 is a noreturn call,
2650         allow old_size to be equal to args_size and make sure the
2651         noreturn call gets REG_ARGS_SIZE note.
2652         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2653         on noreturn calls even when the delta is 0.
2654
2655 2012-01-11  Nathan Sidwell  <nathan@acm.org>
2656
2657         * gcov.c (STRING_SIZE): Remove.
2658         (generate_results): Erase annotations for source files with no
2659         coverage information.
2660         (read_line): New.
2661         (output_lines): Use it.
2662
2663 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2664
2665         * gimple.h (gimplify_body): Remove first argument.
2666         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
2667         pointer set here, instead just pass DATA to walk_tree.
2668         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
2669         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2670         (unvisit_body): Likewise, but with unmark_visited.
2671         (gimplify_body): Remove BODY_P argument and adjust.
2672         (gimplify_function_tree): Adjust call to gimplify_body.
2673         * omp-low.c (finalize_task_copyfn): Likewise.
2674
2675 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2676
2677         * tree.h (build_function_decl_skip_args): Add boolean parameter.
2678         (build_function_type_skip_args): Delete.
2679         * tree.c (build_function_type_skip_args): Make static and add
2680         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
2681         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2682         pass it to build_function_type_skip_args.
2683         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2684         (tree_function_versioning): Likewise.
2685         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2686         build_function_decl_skip_args.
2687         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2688         and pass it to build_function_decl_skip_args/tree_function_versioning.
2689         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2690         * ipa-inline-transform.c (save_inline_function_body): Likewise.
2691         * trans-mem.c (ipa_tm_create_version): Likewise.
2692         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2693         * tree-inline.c (declare_return_variable): Remove always-true test.
2694         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
2695         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2696         * ipa-split.c (split_function): Skip the return value for the split
2697         part if it doesn't return.
2698
2699 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2700
2701         PR tree-optimization/49642
2702         * ipa-split.c (forbidden_dominators): New variable.
2703         (check_forbidden_calls): New function.
2704         (dominated_by_forbidden): Likewise.
2705         (consider_split): Check for forbidden dominators.
2706         (execute_split_functions): Initialize and free forbidden
2707         dominators info; call check_forbidden_calls.
2708
2709 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2710
2711         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2712
2713 2012-01-11  Nick Clifton  <nickc@redhat.com>
2714
2715         * config/rx/rx.md (return): Define pattern.
2716
2717 2012-01-11  Richard Guenther  <rguenther@suse.de>
2718
2719         * doc/extend.texi (malloc attribute): Adjust according to
2720         implementation.
2721
2722 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
2723             Patrick Marlier  <patrick.marlier@gmail.com>
2724
2725         PR middle-end/51516
2726         * trans-mem.c (get_cg_data): Traverse aliases if requested.
2727         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2728         (ipa_tm_note_irrevocable): Same.
2729         (ipa_tm_scan_irr_block): Same.
2730         (ipa_tm_decrement_clone_counts): Same.
2731         (ipa_tm_scan_irr_function): Same.
2732         (ipa_tm_create_version_alias): Same.
2733         (ipa_tm_create_version): Same.
2734         (ipa_tm_transform_calls_redirect): Same.
2735         (ipa_tm_transform_calls): Same.
2736         (ipa_tm_transform_transaction): Same.
2737         (ipa_tm_execute): Same.
2738
2739 2012-01-10  Richard Guenther  <rguenther@suse.de>
2740
2741         PR middle-end/51806
2742         * opts.c (common_handle_option): Handle -Werror.
2743
2744 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
2745
2746         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2747         operand number.
2748
2749 2012-01-10  Jason Merrill  <jason@redhat.com>
2750
2751         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2752         information.
2753
2754 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2755
2756         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2757         supports R_386_TLS_GD_PLT reloc.
2758         (gcc_cv_as_ix86_tlsldmplt): Check if linker
2759         supports R_386_TLS_LDM_PLT reloc.
2760         * configure: Regenerate.
2761         * config.in: Regenerate.
2762
2763 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
2764
2765         PR target/49868
2766         Extend __pgmx semantics to linearize memory.
2767         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2768         determine if code comes inline or from libgcc.
2769         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2770         (movmem_qi, movmem_qi): Set constraint #2 to "n".
2771         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2772         (movmemx_qi, movmemx_hi): New insns.
2773         (xload_<mode>_libgcc): Rewrite to new insn condition.
2774         (xload_<mode>): Remove insns.
2775         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2776         cases that don't satisfy avr_xload_libgcc_p().
2777         (avr_addr_space_convert): Allow converting in any direction.
2778         (avr_addr_space_subset_p): Return always true.
2779         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2780         (avr_emit_movmemhi): Ditto.
2781         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2782         (avr_out_movmem): Ditto.
2783         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2784         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2785         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2786         (avr_encode_section_info): Encode 'progmem' in symbol flags.
2787         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2788
2789 2012-01-10  Richard Guenther  <rguenther@suse.de>
2790
2791         PR tree-optimization/50913
2792         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2793         Require data-refs to be representable by Graphite with respect
2794         to any loop nest.
2795
2796 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
2797
2798         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2799         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2800
2801 2012-01-10  Tom de Vries  <tom@codesourcery.com>
2802
2803         PR rtl-optimization/51271
2804         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2805         handling annulled branch.
2806
2807 2012-01-10  Richard Henderson  <rth@redhat.com>
2808
2809         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2810         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2811         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2812         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2813         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2814         arm_expand_vec_perm_const): New.
2815         * config/arm/arm-protos.h: Update.
2816         * config/arm/neon.md (UNSPEC_VCONCAT): New.
2817         (*neon_vswp<VDQX>): New.
2818         (neon_vcombine<VDX>): Use neon_split_vcombine.
2819         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2820         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2821         (vec_perm<VE>): New.
2822
2823 2012-01-10  Richard Henderson  <rth@redhat.com>
2824
2825         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2826         use it if reload_completed.
2827         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2828         arm_output_asm_insn, arm_process_output_memory_barrier,
2829         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2830         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2831         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2832         arm_process_output_sync_insn, arm_output_sync_insn,
2833         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2834         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2835         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2836         (emit_unlikely_jump): New.
2837         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2838         (arm_split_atomic_op): New.
2839         * config/arm/arm-protos.h: Update.
2840         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2841         (struct arm_sync_generator): Remove.
2842         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2843         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2844         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2845         (VUNSPEC_LL, VUNSPEC_SC): New.
2846         (sync_result, sync_memory, sync_required_value, sync_new_value,
2847         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2848         (attr length): Don't use arm_sync_loop_insns.
2849         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2850         (movsfcc, movdfcc): Likewise.
2851         * config/arm/constraints.md (Ua): New.
2852         * config/arm/prediates.md (mem_noofs_operand): New.
2853         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2854         (sync_clobber, sync_t2_reqd): Remove.
2855         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2856         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2857         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2858         (arm_sync_compare_and_swap<SIDI>): Remove.
2859         (arm_sync_compare_and_swap<NARROW>): Remove.
2860         (arm_sync_lock_test_and_set<SIDI>): Remove.
2861         (arm_sync_lock_test_and_set<NARROW>): Remove.
2862         (arm_sync_new_<syncop><SIDI>): Remove.
2863         (arm_sync_new_<syncop><NARROW>): Remove.
2864         (arm_sync_new_nand<SIDI>): Remove.
2865         (arm_sync_new_nand<NARROW>): Remove.
2866         (arm_sync_old_<syncop><SIDI>): Remove.
2867         (arm_sync_old_<syncop><NARROW>): Remove.
2868         (arm_sync_old_nand<SIDI>): Remove.
2869         (arm_sync_old_nand<NARROW>): Remove.
2870         (*memory_barrier): Merge arm_output_memory_barrier.
2871         (atomic_compare_and_swap<QHSD>): New.
2872         (atomic_compare_and_swap<NARROW>_1): New.
2873         (atomic_compare_and_swap<SIDI>_1): New.
2874         (atomic_exchange<QHSD>): New.
2875         (cas_cmp_operand, cas_cmp_str): New.
2876         (atomic_op_operand, atomic_op_str): New.
2877         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2878         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2879         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2880         (arm_load_exclusive<NARROW>): New.
2881         (arm_load_exclusivesi, arm_load_exclusivedi): New.
2882         (arm_store_exclusive<QHSD>): New.
2883
2884 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2885
2886         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2887         reload patterns if -mvsx-scalar-memory.
2888
2889         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2890         generated, even -mno-vsx-scalar-double was used.
2891         (vsx_xscvdpsp_scalar): Likewise.
2892         (vsx_xscvspdp_scalar2): Likewise.
2893
2894 2012-01-09  Tom de Vries  <tom@codesourcery.com>
2895             Andrew Pinski  <apinski@cavium.com>
2896
2897         PR debug/51471
2898         * reorg.c (fill_slots_from_thread): Don't speculate
2899         frame-related insns.
2900
2901 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
2902
2903         * sched-int.h (bb_note): Move to...
2904         * basic-block.h: ...here.
2905         * haifa-sched.c (bb_note): Move to...
2906         * cfgrtl.c: ...here.
2907         * function.c (next_block_for_reg): New function.
2908         (move_insn_for_shrink_wrap): Likewise.
2909         (prepare_shrink_wrap): Rewrite to use the above.
2910
2911 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
2912
2913         * gimple.c (is_gimple_non_addressable): Remove.
2914         * gimple.h: Remove is_gimple_non_addressable.
2915         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2916         is_gimple_non_addressable.
2917         * trans-mem.c (expand_assign_tm): Same.
2918
2919 2012-01-09  Richard Guenther  <rguenther@suse.de>
2920
2921         PR tree-optimization/51775
2922         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2923         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2924
2925 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2926
2927         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2928         tuning parameters.
2929         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2930
2931 2012-01-09  Richard Guenther  <rguenther@suse.de>
2932
2933         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2934
2935 2012-01-08  Jan Hubicka  <jh@suse.cz>
2936
2937         PR tree-optimize/51680
2938         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2939         on when known_vals needs to be computed; cleanup.
2940
2941 2012-01-08  Jan Hubicka  <jh@suse.cz>
2942
2943         PR tree-optimize/51694
2944         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2945
2946 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
2947
2948         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2949         for -std=c++98 and -std=c++11 too.
2950
2951 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
2952
2953         * cfgloop.c (cancel_loop): Add free() of bbs array.
2954
2955 2012-01-07  Jan Hubicka  <jh@suse.cz>
2956
2957         PR tree-optimization/51600
2958         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2959         that benefits small functions.
2960
2961 2012-01-07  Jan Hubicka  <jh@suse.cz>
2962
2963         * ipa-inline.c (want_inline_small_function_p): Fix formating.
2964
2965 2012-01-07  Jan Hubicka  <jh@suse.cz>
2966
2967         PR tree-optimization/51680
2968         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2969         whose inlining reduce unit size.
2970
2971 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
2972
2973         PR bootstrap/51725
2974         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2975         Add canonical node to containing_mem chain after the non-canonical
2976         one, even if there weren't any locs to propagate.
2977         (remove_useless_values): Keep only canonical values.
2978         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2979         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
2980         canonicalize mem_chain elements that are not discarded.
2981
2982 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
2983
2984         PR target/47333
2985         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2986         before emitting functions.
2987
2988         PR gcov-profile/50127
2989         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2990         clear_aux_for_blocks.
2991
2992 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
2993
2994         PR debug/51746
2995         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2996
2997 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
2998
2999         * c-decl.c (ext_block): Moved up.
3000         (collect_all_refs, for_each_global_decl): Take ext_block into account.
3001
3002 2012-01-06  Han Shen  <shenhan@google.com>
3003
3004         Translate built-in include paths for sysroot.
3005         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3006         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3007
3008         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3009         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3010
3011         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3012         control whether sysroot should be prepended to gxx include dir.
3013
3014         * configure: Regenerate.
3015
3016 2012-01-06  Torvald Riegel  <triegel@redhat.com>
3017
3018         PR rtl-optimization/51771
3019         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3020         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3021
3022 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3023
3024         PR tree-optimization/51315
3025         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3026         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3027
3028 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
3029
3030         PR target/51681
3031         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3032         for shrp pattern.  Correctly handle and fixup shift variable.
3033         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3034
3035 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3036
3037         PR debug/51762
3038         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3039         note when !ACCUMULATE_OUTGOING_ARGS.
3040
3041 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3042
3043         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3044         condition.
3045         (extract_range_from_unary_expr_1): Avoid useless computations.
3046
3047 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3048
3049         PR rtl-optimization/51767
3050         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3051         of jump_block and add an extra edge for degenerated asm gotos.
3052
3053         PR middle-end/51768
3054         * stmt.c (check_unique_operand_names): Don't ICE during error
3055         reporting if i is from labels chain.
3056
3057         PR middle-end/44777
3058         * profile.c (branch_prob): Split bbs that have exit edge
3059         and need a fake entry edge too.
3060
3061 2012-01-05  Jan Hubicka  <jh@suse.cz>
3062
3063         PR middle-end/49710
3064         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3065         unlooping loops.
3066
3067 2012-01-05  Richard Guenther  <rguenther@suse.de>
3068
3069         PR lto/50490
3070         * tree-streamer-out.c (write_ts_optimization): New function.
3071         (streamer_write_tree_body): Call it.
3072         * tree-streamer-in.c (lto_input_ts_optimization): New function.
3073         (streamer_read_tree_body): Call it.
3074         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3075
3076 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3077
3078         PR middle-end/51761
3079         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3080         * gimplify.c (gimplify_cleanup_point_expr): Save and set
3081         in_cleanup_point_expr before gimplify_stmt call and restore it
3082         afterwards.
3083         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3084         in_cleanup_point_expr is false.
3085
3086 2012-01-05  Richard Guenther  <rguenther@suse.de>
3087
3088         PR middle-end/51764
3089         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3090         to c.opt.
3091         * toplev.c (process_options): Reject combining mudflap and LTO.
3092         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3093
3094 2012-01-05  Richard Guenther  <rguenther@suse.de>
3095
3096         PR tree-optimization/51760
3097         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3098         not VARYING.
3099         (bit_value_unop): Handle UNDEFINED operands.
3100         (bit_value_binop): Likewise.
3101
3102 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
3103
3104         * config/avr/avr.c (avr_replace_prefix): Remove.
3105         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3106         (avr_asm_function_rodata_section): Ditto.
3107         (avr_asm_select_section): Ditto.
3108
3109 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
3110
3111         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3112         insertion.
3113
3114 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3115
3116         PR bootstrap/51648
3117         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3118         calls that have any non-fake successor edges.
3119
3120         PR debug/51746
3121         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3122
3123 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3124
3125         PR tree-optimization/51624
3126         * tree-sra.c (build_ref_for_model): When replicating a chain of
3127         COMPONENT_REFs, stop as soon as the offset would become negative.
3128
3129 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
3130
3131         PR debug/51695
3132         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3133         in .debug_loc on the floor.
3134
3135 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3136
3137         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3138
3139 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3140             Adam Nemet  <anemet@caviumnetworks.com>
3141
3142         * config/mips/mips.md (size): Add SI and DI.
3143         (SIZE): New mode attribute.
3144         (U): New code attribute.
3145         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3146         (mips_lbux_<mode>): Delete.
3147         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3148         (mips_lhx): Use gen_mips_lhx_extsi.
3149         (mips_lhx_<mode>): Delete.
3150         (mips_lwx): Delete.
3151         (mips_l<size>x): New expand.
3152         (mips_lwx_<mode>): Delete.
3153         (mips_l<GPR:size>x_<P:mode>): New pattern.
3154         (*mips_lw<u>x_<P:mode>_ext): Likewise.
3155         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3156         * config/mips/mips.c (mips_lx_address_p): New function.
3157         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3158         (dsp64): New availability predicate.
3159         (mips_builtins): Add an entry for __builtin_mips_ldx.
3160         * config/mips/mips.h (ISA_HAS_LBX): New define.
3161         (ISA_HAS_LBUX): Likewise.
3162         (ISA_HAS_LHX): Likewise.
3163         (ISA_HAS_LHUX): Likewise.
3164         (ISA_HAS_LWX): Likewise.
3165         (ISA_HAS_LWUX): Likewise.
3166         (ISA_HAS_LDX): Likewise.
3167         * doc/extend.texi (__builtin_mips_ldx): Document.
3168
3169 2012-01-04  Tristan Gingold  <gingold@adacore.com>
3170
3171         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3172         when long pointers are used.
3173         * config.build (*-*-*vms*): Handle all OpenVMS targets.
3174         (alpha64-dec-*vms*, alpha*-dec-*vms*)
3175         (ia64-hp-*vms*): Remove.
3176         * config/vms/xm-vms64.h: Delete.
3177
3178 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3179
3180         PR middle-end/51472
3181         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3182
3183 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3184
3185         * opts.c (finish_options): Remove duplicate sorry.
3186
3187 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3188
3189         PR middle-end/51696
3190         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3191         correctly.
3192
3193 2012-01-04  Richard Guenther  <rguenther@suse.de>
3194
3195         PR middle-end/51750
3196         * tree.c (size_low_cst): New function.
3197         * tree.h (size_low_cst): Declare.
3198         * fold-const.c (fold_comparison): Use it to extract the low
3199         part of the POINTER_PLUS_EXPR offset.
3200
3201 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
3202
3203         Fix clearing ZERO_REG
3204         * config/avr/avr.md (cc): Add alternative "ldi".
3205         (movqi_insn): Use it in cc attribute.
3206         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3207         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3208         (output_reload_insisf): Use ZERO_REG to pre-clear register.
3209
3210 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3211
3212         * configure: Regenerate.
3213
3214 2012-01-04  Richard Guenther  <rguenther@suse.de>
3215
3216         PR tree-optimization/49651
3217         * tree-ssa-structalias.c (type_can_have_subvars): New function.
3218         (var_can_have_subvars): Use it.
3219         (get_constraint_for_1): Only consider subfields if there can be any.
3220
3221 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3222
3223         PR bootstrap/51725
3224         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3225         to its new canonical_cselib_val and the cselib_val was in
3226         first_containing_mem chain, but the canonical_cselib_val was not,
3227         add the latter into the chain.
3228         (cselib_invalidate_mem): Compare canonical_cselib_val of
3229         addr_list chain elt with v.
3230
3231         PR pch/51722
3232         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3233         dwarf2out_undef): Allocate e.info using ggc_strdup instead
3234         of xstrdup.
3235         (output_macinfo_op): Don't ggc_strdup fd->filename.
3236         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3237         then ggc_strdup it.  Don't free inc->info or cur->info.
3238         (output_macinfo): Don't free ref->info or file->info.
3239
3240 2012-01-03  Ira Rosen  <irar@il.ibm.com>
3241
3242         PR tree-optimization/51269
3243         * tree-vect-loop-manip.c (set_prologue_iterations): Make
3244         first_niters a pointer.
3245         (slpeel_tree_peel_loop_to_edge): Likewise.
3246         (vect_do_peeling_for_loop_bound): Update call to
3247         slpeel_tree_peel_loop_to_edge.
3248         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3249         here.  Remove it from the parameters list.
3250         (vect_do_peeling_for_alignment): Update calls and compute
3251         wide_prolog_niters.
3252
3253 2012-01-03  Richard Guenther  <rguenther@suse.de>
3254
3255         PR tree-optimization/51070
3256         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3257         Properly handle calls.
3258
3259 2012-01-03  Richard Guenther  <rguenther@suse.de>
3260
3261         PR tree-optimization/51692
3262         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3263         the LHS of allocation stmts.
3264
3265 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3266
3267         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3268
3269 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3270
3271         * collect2.c (main): In AIX specific computations for vector
3272         insertions, use CONST_CAST2 to cast from char ** to const char **.
3273
3274 2012-01-03  Richard Guenther  <rguenther@suse.de>
3275
3276         PR debug/51650
3277         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3278         the context of a limbo DIE when it does not already exist.
3279
3280 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3281
3282         PR tree-optimization/51719
3283         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3284         but direct call is, clear direct call's lhs and don't add fallthrough
3285         edge from dcall_bb to join_bb and PHIs.
3286
3287 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3288
3289         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3290         the instructions emitted by the pattern.
3291         ("*TDC_insn_<mode>"): Add comment.
3292
3293 2012-01-03  Richard Guenther  <rguenther@suse.de>
3294
3295         PR middle-end/51730
3296         * fold-const.c (fold_comparison): Properly canonicalize
3297         tree offset and HOST_WIDE_INT bit position.
3298
3299 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
3300
3301         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3302         operands for extzv pattern.
3303
3304 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3305
3306         PR bootstrap/51725
3307         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3308         on mem_elt first.
3309
3310 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
3311
3312         * doc/invoke.texi (-flto and related options): Copy-edit.
3313
3314 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3315
3316         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3317
3318 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3319
3320         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3321         New patterns.
3322
3323 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3324
3325         * expr.h (move_by_pieces_ninsns): Declare.
3326         * expr.c (move_by_pieces_ninsns): Make external.
3327         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3328         (mips_store_by_pieces_p): Likewise.
3329         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3330         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3331         * config/mips/mips.c (mips_move_by_pieces_p): New function.
3332         (mips_store_by_pieces_p): Likewise.
3333
3334 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3335
3336         * passes.c (register_one_dump_file): Free full_name.
3337
3338         * reload1.c (reload): Don't allocate reg_max_ref_width here.
3339         (calculate_elim_costs_all_insns): Free offsets_at and
3340         offsets_known_at at the end and clear the pointers.
3341
3342 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3343
3344         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3345         this option introduced in r180739.
3346
3347 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3348
3349         PR target/51345
3350         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3351         (tmake_file target=avr): Add avr/t-multilib.
3352
3353         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3354         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3355         * config/avr/genmultilib.awk: New file.
3356         * config/avr/t-multilib: New auto-generated file.
3357         * config/avr/multilib.h: New auto-generated file.
3358         * config/avr/t-avr (AVR_MCUS): New variable.
3359         (genopt.sh): Use it.
3360         (s-mlib): Depend on t-multilib.
3361         (t-multilib, multilib.h): New dependencies.
3362         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3363         (MULTILIB_OPTIONS): Remove.
3364         (MULTILIB_MATCHES): Remove.
3365         (MULTILIB_DIRNAMES): Remove.
3366         (MULTILIB_EXCEPTIONS): Remove:
3367         * config/avr/genopt.sh: Don't use hard coded file name;
3368         pass AVR_MCUS from t-avr instead.
3369
3370 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3371
3372         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3373
3374 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3375
3376         Implement light-weight DImode support.
3377         * config/avr/avr-dimode.md: New file.
3378         * config/avr/avr.md: Include it.
3379         (adjust_len): Add plus64, compare64.
3380         (HIDI): Remove code iterator.
3381         (code_stdname): New code attribute.
3382         (rotx, rotsmode): Remove DI.
3383         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3384         as code iterator.
3385         * config/avr/avr-protos.h (avr_have_dimode): New.
3386         (avr_out_plus64, avr_out_compare64): New.
3387         * config/avr/avr.c (avr_out_compare): Handle DImode.
3388         (avr_have_dimode): New variable definition and initialization.
3389         (avr_out_compare64, avr_out_plus64): New functions.
3390         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3391         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3392         (avr_compare_pattern): Skip DImode comparisons.
3393
3394 2012-01-02  Revital Eres  <revital.eres@linaro.org>
3395
3396         * ddg.c (def_has_ccmode_p): New function.
3397         (add_cross_iteration_register_deps,
3398         create_ddg_dep_from_intra_loop_link): Call it.
3399
3400 2012-01-02  Richard Guenther  <rguenther@suse.de>
3401
3402         PR other/51679
3403         * invoke.texi (fassociative-math): Remove spurious paranthesis.
3404
3405 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
3406
3407         * gcc.c (process_command): Update copyright notice dates.
3408         * gcov.c (print_version): Likewise.
3409         * gcov-dump.c (print_version): Likewise.
3410         * mips-tfile.c (main): Likewise.
3411         * mips-tdump.c (main): Likewise.
3412
3413 2012-01-01  Ira Rosen  <irar@il.ibm.com>
3414
3415         PR tree-optimization/51704
3416         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3417         a use is inside the basic block or loop before accessing its vect info.
3418
3419 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
3420
3421         PR rtl-optimization/51069
3422         * cfgloopmanip.c (remove_path): Removing path making irreducible
3423         region unconditional makes BB part of the region.
3424
3425 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
3426
3427         PR tree-optimization/51683
3428         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3429         calls with side-effects.
3430         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3431 \f
3432 Copyright (C) 2012 Free Software Foundation, Inc.
3433
3434 Copying and distribution of this file, with or without modification,
3435 are permitted in any medium without royalty provided the copyright
3436 notice and this notice are preserved.