gcc/ChangeLog

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