gcc/ChangeLog

   1 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
   2
   3         * config.gcc (alpha*-dec-osf5.1*): Remove.
   4         * config.host (alpha*-dec-osf*): Remove.
   5         * configure.ac (*-*-osf*): Remove.
   6         (alpha*-dec-osf*): Remove.
   7         * configure: Regenerate.
   8
   9         * config/alpha/host-osf.c, config/alpha/osf5.h,
  10         config/alpha/osf5.opt, config/alpha/va_list.h, config/alpha/x-osf:
  11         Remove.
  12
  13         * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
  14         * config/alpha/alpha.c (struct machine_function): Update comment.
  15         (alpha_start_function): Remove Tru64 UNIX as handling for
  16         max_frame_size.
  17         * config/alpha/alpha.md ("exception_receiver"): Remove
  18         TARGET_LD_BUGGY_LDGP.
  19         ("*exception_receiver_2"): Likewise.
  20         * except.c (finish_eh_generation): Remove Tru64 reference.
  21         * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
  22         * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
  23         * target.def (handle_pragma_extern_prefix): Remove.
  24
  25         * Makefile.in (mips-tfile.o-warn): Remove.
  26         (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
  27         (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
  28         * mips-tdump.c, mips-tfile.c: Remove.
  29
  30         * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
  31         extern_prefix.
  32         * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
  33         (Specific, alpha*-dec-osf5.1): Note removal.
  34         * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
  35         Remove.
  36         * doc/tm.texi: Regenerate.
  37         * doc/trouble.texi (Cross-Compiler Problems): Remove.
  38
  39 2012-03-12  Richard Guenther  <rguenther@suse.de>
  40
  41         * config/arm/arm.c (neon_dereference_pointer): Do not call
  42         covert during RTL expansion.
  43
  44 2012-03-12  Tristan Gingold  <gingold@adacore.com>
  45
  46         * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
  47         Options.  Mention -mpointer-size.
  48
  49 2012-03-12  Richard Guenther  <rguenther@suse.de>
  50
  51         * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
  52         build_nonstandard_integer_type.
  53
  54 2012-03-12  Richard Guenther  <rguenther@suse.de>
  55
  56         * tree.c (signed_or_unsigned_type_for): Use
  57         build_nonstandard_integer_type.
  58         (signed_type_for): Adjust documentation.
  59         (unsigned_type_for): Likewise.
  60         * tree-pretty-print.c (dump_generic_node): Use standard names
  61         for non-standard integer types if available.
  62
  63 2012-03-12  Tristan Gingold  <gingold@adacore.com>
  64
  65         * config/vms/vms.opt: Add vms-opts.h header.
  66         (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
  67         target mask.
  68         (-mvms-return-codes): Document.
  69         (-mpointer-size): New option.
  70         (vms_pointer_size): Add enumeration.
  71         * config/vms/vms-opts.h: New file.
  72         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
  73         __INITIAL_POINTER_SIZE.
  74         (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
  75         (C_COMMON_OVERRIDE_OPTIONS): Define.
  76         (DWARF2_ADDR_SIZE): Define.
  77         * config/vms/vms.c (vms_patch_builtins): Adjust condition.
  78         * config/vms/vms-protos.h (vms_c_common_override_options):
  79         New prototype.
  80         * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
  81         if -mno-pointer-size.
  82         (vms_c_common_override_options): New function.
  83         * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
  84         * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
  85         (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
  86         and flag_vms_pointer_size.
  87         (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
  88         * config.gcc (*-*-*vms*): Define xm_file.
  89         (alpha*-dec-*vms*): Do not define xm_file.
  90         (alpha64-dec-*vms*): Remove.
  91         (ia64-hp-*vms*): Do not define xm_file.  Simplify tm_file
  92         and tmake_file.
  93
  94 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
  95
  96         PR tree-optimization/51721
  97         * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
  98         if (int) unsvar cmp CST.
  99
 100 2012-03-12  Richard Guenther  <rguenther@suse.de>
 101
 102         * tree-sra.c (create_access_replacement): Only rename the
 103         replacement if we can rewrite it into SSA form.  Properly
 104         mark register typed replacements that we cannot rewrite
 105         with TREE_ADDRESSABLE.
 106         * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
 107         for aggregate or BLKmode results.
 108
 109 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
 110
 111         PR tree-optimization/52533
 112         * tree-vrp.c (register_edge_assert_for_2): Use double_int
 113         type for mask, only handle shifts by non-zero in-range
 114         shift count, for LE_EXPR and GT_EXPR if new_val is
 115         maximum, don't add the assertion.
 116
 117 2012-02-12  Kirill Yukhin  <kirill.yukhin@intel.com>
 118
 119         * doc/invoke.texi: Document -mrtm option.
 120         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET):
 121         New.
 122         (OPTION_MASK_ISA_RTM_UNSET): Ditto.
 123         (ix86_handle_option): Handle OPT_mrtm.
 124         * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
 125         xtestintrin.h.
 126         (x86_64-*-*): Ditto.
 127         * i386-builtin-types.def (INT_FTYPE_VOID): New.
 128         * config/i386/i386-c.c (ix86_target_macros_internal): Define
 129         __RTM__ if needed.
 130         (ix86_target_string): Define -mrtm option.
 131         (PTA_RTM): New.
 132         (ix86_option_override_internal): Extend "corei7-avx" with
 133         RTM option. Handle new option.
 134         (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
 135         (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
 136         IX86_BUILTIN_XTEST.
 137         (bdesc_special_args): Ditto.
 138         (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
 139         (ix86_expand_special_args_builtin): Handle new built-in type.
 140         (ix86_expand_builtin): Handle XABORT instruction.
 141         * config/i386/i386.h (TARGET_RTM): New.
 142         * config/i386/i386.md (UNSPECV_XBEGIN): New.
 143         (UNSPECV_XEND): Ditto.
 144         (UNSPECV_XABORT): Ditto.
 145         (UNSPECV_XTEST): Ditto.
 146         (xbegin): Ditto.
 147         (xbegin_1): Ditto.
 148         (xend): Ditto.
 149         (xabort): Ditto
 150         (xtest): Ditto.
 151         (xtest_1): Ditto.
 152         * config/i386/i386.opt (mrtm): New.
 153         * config/i386/immintrin.h: Include rtmintrin.h and
 154         xtestintrin.h.
 155         * config/i386/rtmintrin.h: New header.
 156         * config/i386/xtestintrin.h: Ditto.
 157
 158 2012-03-12  Tristan Gingold  <gingold@adacore.com>
 159
 160         * ginclude/stddef.h: Adjust previous patch.  Use __VMS__ instead
 161         of VMS.
 162
 163 2012-03-12  Uros Bizjak  <ubizjak@gmail.com>
 164
 165         * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
 166         Also convert sequences with CC setting arithmetic instruction.
 167
 168 2012-03-11  Sandra Loosemore  <sandra@codesourcery.com>
 169
 170         * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
 171         from C Language Options to Preprocessor Options.
 172         (C Dialect Options): Move -no-integrated-cpp documentation
 173         from here...
 174         (Preprocessor Options): ...to here.  Rewrite the description
 175         so it makes more sense, and remove discussion of merging
 176         front ends.
 177
 178 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
 179
 180         * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
 181         needed for loop.
 182         (ix86_expand_setmem): Likewise.
 183
 184 2012-03-11  Uros Bizjak  <ubizjak@gmail.com>
 185
 186         * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
 187         convert_to_mode.
 188
 189 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
 190
 191         * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
 192         ptr_mode == SImode.  Replace DImode with Pmode or ptr_mode.
 193
 194 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
 195
 196         * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
 197
 198 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
 199
 200         * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
 201         TARGET_64BIT.
 202
 203 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
 204             Uros Bizjak  <ubizjak@gmail.com>
 205
 206         * config/i386/predicates.md (call_insn_operand): Allow
 207         constant_call_address_operand in Pmode only.
 208         (sibcall_insn_operand): Ditto.
 209         * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
 210         (*call_vzeroupper): Ditto.
 211         (*sibcall): Ditto.
 212         (*sibcall_vzeroupper): Ditto.
 213         (*call_value): Ditto.
 214         (*call_value_vzeroupper): Ditto.
 215         (*sibcall_value): Ditto.
 216         (*sibcall_value_vzeroupper): Ditto.
 217         (*indirect_jump): Ditto.
 218         (*tablejump_1): Ditto.
 219         (indirect_jump): Convert memory address to word mode for TARGET_X32.
 220         (tablejump): Ditto.
 221         * config/i386/i386.c (ix86_expand_call): Convert indirect operands
 222         to word mode.
 223
 224 2012-03-11  Oleg Endo  <olegendo@gcc.gnu.org>
 225
 226         PR target/51244
 227         * config/sh/sh.md (movnegt): Expand into respective insns immediately.
 228         Use movrt_negc instead of negc pattern for non-SH2A.
 229         (*movnegt): Remove.
 230         (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
 231
 232 2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
 233
 234         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
 235         if Pmode != word_mode.
 236         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
 237         Pmode == SImode for TARGET_X32.
 238
 239         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
 240         (tls_initial_exec_x32): Likewise.
 241
 242 2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
 243
 244         PR rtl-optimization/52528
 245         * combine.c (can_combine_p): Add setting of subst_low_luid
 246         before call to expand_field_assignment().
 247
 248 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
 249
 250         * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
 251         and related program names.
 252
 253 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
 254
 255         * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
 256
 257 2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
 258
 259         PR target/52530
 260         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
 261         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
 262         to set code to 'q'.
 263         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
 264         (*movdi_internal_rex64): Use %E operand modifier for lea.
 265         (*movsi_internal): Ditto.
 266         (*lea_1): Ditto.
 267         (*lea<mode>_2): Ditto.
 268         (*lea_{3,4,5,6}_zext): Ditto.
 269         (*tls_global_dynamic_32_gnu): Ditto.
 270         (*tls_global_dynamic_64): Ditto.
 271         (*tls_dynamic_gnu2_lea_32): Ditto.
 272         (*tls_dynamic_gnu2_lea_64): Ditto.
 273         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
 274
 275 2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
 276
 277         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
 278         redefine to be NULL if the current bit-size is different from the
 279         configured bit-size.
 280
 281         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
 282         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
 283         set the default tuning.  Add asserts to make sure the cpu and tune
 284         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
 285         test whether the index is set, instead of > 0.
 286         (rs6000_file_start): Do not reset the default cpu if the current
 287         bit-size is different from the configured bit-size.
 288
 289 2012-03-09  Tristan Gingold  <gingold@adacore.com>
 290
 291         * config/vms/vms-crtlmap.map: Add comments.
 292         Add entries needed to build Ada RTS.
 293
 294 2012-03-09  Tristan Gingold  <gingold@adacore.com>
 295
 296         * ginclude/stddef.h: Do not define __size_t on VMS.
 297
 298 2012-03-09  Tristan Gingold  <gingold@adacore.com>
 299
 300         * c-tree.h (c_default_pointer_mode): New variable.
 301         * c-decl.c (c_default_pointer_mode): New variable.
 302         (c_build_pointer_type): New function.
 303         (grokdeclarator): Call c_build_pointer_type instead
 304         of build_pointer_type.
 305
 306         * config/vms/vms-c.c: Include c-tree.h
 307         (saved_pointer_mode): New variable.
 308         (handle_pragma_pointer_size): New function.
 309         (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
 310         (vms_c_register_pragma): Register __pointer_size and
 311         __required_pointer_size pragmas.
 312
 313 2012-03-09  Tristan Gingold  <gingold@adacore.com>
 314
 315         * config/vms/vms-c.c (vms_construct_include_filename): New function.
 316         (vms_c_register_includes): Reference it.
 317
 318 2012-03-09  Andrew Pinski  <apinski@cavium.com>
 319
 320         PR middle-end/51988
 321         * tree-ssa-phiopt.c: Include tree-pretty-print.h for
 322         print_generic_expr.
 323         (tree_ssa_phiopt_worker): Go through all the PHIs for
 324         value_replacement instead of just the singleton one.
 325         (value_replacement): Change return type to int.  Return 0 instead of
 326         false.
 327         Allow the middle basic block to contain more than just the defining
 328         statement.
 329         Handle non empty middle basic blocks.
 330         * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
 331
 332 2012-03-09  Jiangning Liu  <jiangning.liu@arm.com>
 333
 334         * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
 335         array reference and component reference.
 336         (analyze_scalar_evolution_for_address_of): New.
 337
 338 2012-03-08  Jie Zhang  <jzhang918@gmail.com>
 339
 340         PR target/49862
 341         * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
 342         (hwloop_pattern_reg): Fix set but not used warning.
 343         (bfin_reorg_loops): Remove unused parameter.
 344         (bfin_reorg): Update use of bfin_reorg_loops.
 345
 346 2012-03-08  H.J. Lu  <hongjiu.lu@intel.com>
 347
 348         * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
 349         with integer parameters in registers.
 350         (gen_push): Push register in word_mode instead of Pmode.
 351         (ix86_emit_save_regs): Likewise.
 352         (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
 353         (gen_pop): Pop register in word_mode instead of Pmode.
 354         (ix86_emit_restore_regs_using_pop): Likewise.
 355         (ix86_expand_prologue): Replace Pmode with word_mode for push
 356         immediate.  Use ix86_gen_pro_epilogue_adjust_stack.  Save and
 357         restore RAX and R10 in word_mode.
 358         (ix86_emit_restore_regs_using_mov): Restore integer registers
 359         in word_mode.
 360         (ix86_expand_split_stack_prologue): Save R10_REG and restore in
 361         word_mode.
 362         (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
 363         (ix86_split_long_move): Likewise.
 364
 365         * config/i386/i386.md (W): New.
 366         (*push<mode>2_prologue): Replace :P with :W.
 367         (*pop<mode>1): Likewise.
 368         (*pop<mode>1_epilogue): Likewise.
 369         (push/pop peephole2): Use word_mode scratch registers.
 370
 371 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
 372
 373         * config/i386/predicates.md (indirect_branch_operand): Simplify.
 374
 375 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
 376
 377         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
 378         for constants in [-63,63].
 379
 380 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
 381
 382         PR target/52530
 383         Revert:
 384         2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
 385
 386         * config/i386/i386.c (ix86_print_operand_address): Only handle
 387         zero-extended DImode addresses.
 388
 389 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 390
 391         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
 392         * configure: Regenerate.
 393
 394 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
 395
 396         PR target/52496
 397         * config/avr/avr.c (avr_mem_clobber): New static function.
 398         (avr_expand_delay_cycles): Add memory clobber operand to
 399         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
 400         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
 401         (enable_interrupt, disable_interrupt): New expander.
 402         (nopv, sleep, wdr): New expanders.
 403         (delay_cycles_1): Add memory clobber.
 404         (delay_cycles_2): Add memory clobber.
 405         (delay_cycles_3): Add memory clobber.
 406         (delay_cycles_4): Add memory clobber.
 407         (cli_sei): New insn from former "enable_interrupt",
 408         "disable_interrupt" with memory clobber.
 409         (*wdt): New insn from former "wdt" with memory clobber.
 410         (*nopv): Similar, but for "nopv".
 411         (*sleep): Similar, but for "sleep".
 412
 413 2012-03-07  Oleg Endo  <olegendo@gcc.gnu.org>
 414             Kaz Kojima  <kkojima@gcc.gnu.org>
 415
 416         PR target/52503
 417         * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
 418         * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
 419         (SUBTARGET_OVERRIDE_OPTIONS): Define.
 420
 421 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
 422
 423         * config/i386/predicates.md (x86_64_zext_general_operand): New.
 424         * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
 425         predicate to x86_64_zext_general_operand.  Accept "Z" constraint.
 426
 427 2012-03-07  Walter Lee  <walt@tilera.com>
 428
 429         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
 430         REG_CFA_* notes for the stack pointer.
 431         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
 432         EH_RETURN_STACKADJ_RTX.
 433         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
 434         generate REG_CFA_* notes for the stack pointer.
 435         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
 436         by EH_RETURN_STACKADJ_RTX.
 437
 438 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
 439
 440         * doc/invoke.texi (AVR Built-in Macros): Correct condition for
 441         when __AVR_3_BYTE_PC__ is defined.
 442
 443 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
 444
 445         * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
 446         (ix86_print_operand): Handle '^'.
 447         * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
 448         using P mode iterator.  Add %^ to asm template to conditionally emit
 449         addr32 prefix.
 450         (*rep_movdi_rex64): Ditto.
 451         (*strsetdi_rex_1): Ditto.
 452         (*rep_stosdi_rex64): Ditto.
 453         (*strmov{si,hi,qi}_1): Add %^ to asm template to
 454         conditionally emit addr32 prefix.
 455         (*rep_mov{si,qi}): Ditto.
 456         (*strset{si,hi,qi}): Ditto.
 457         (*rep_stos{si,qi}): Ditto.
 458         (*cmpstrnqi_nz_1): Ditto.
 459         (*cmpstrnqi_1): Ditto.
 460         (*strlenqi_1): Ditto.
 461
 462 2012-03-07  H.J. Lu  <hongjiu.lu@intel.com>
 463
 464         * config/i386/i386.c (function_value_64): Return pointers in
 465         word_mode instead of Pmode.
 466         (ix86_promote_function_mode): Likewise.
 467
 468 2012-03-07  Richard Guenther  <rguenther@suse.de>
 469
 470         * coverage.c (get_gcov_type): Use type_for_mode.
 471         (get_gcov_unsigned_t): Likewise.
 472         * expr.c (store_constructor): Use type_for_mode.
 473         (try_casesi): Likewise.
 474         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
 475         (add_standard_iv_candidates): Use standard type trees.
 476         * dojump.c (do_jump): Remove dead code.
 477
 478 2012-03-07  Richard Guenther  <rguenther@suse.de>
 479
 480         * c-typeck.c (pointer_diff): Use c_common_type_for_size.
 481
 482 2012-03-07  Richard Guenther  <rguenther@suse.de>
 483
 484         * convert.c (strip_float_extensions): Move ...
 485         * tree.c (strip_float_extensions): ... here.
 486
 487 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
 488
 489         PR target/52484
 490         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
 491
 492 2012-03-07  Richard Guenther  <rguenther@suse.de>
 493
 494         * omp-low.c (extract_omp_for_data): Use signed_type_for.
 495         (expand_omp_for_generic): Likewise.
 496         (expand_omp_for_static_nochunk): Likewise.
 497         (expand_omp_for_static_chunk): Likewise.
 498         * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
 499         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
 500         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
 501         Use unsigned_type_for.
 502         (vect_create_cond_for_align_checks): Use signed_type_for.
 503
 504 2012-03-07  Andrey Belevantsev  <abel@ispras.ru>
 505
 506         PR rtl-optimization/52203
 507         * sel-sched.c (estimate_insn_cost): New parameter pempty.  Adjust
 508         all callers to pass NULL except ...
 509         (reset_sched_cycles_in_current_ebb): ... here, save the value
 510         in new variable 'empty'.  Increase issue_rate only for
 511         non-empty insns.
 512
 513 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
 514
 515         PR target/51417
 516         * Makefile.in: Let install-gcc-ar depend on installdirs,
 517         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
 518         Don't double canonicalize if cross-compiling.
 519
 520 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
 521
 522         PR target/52506
 523         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
 524         to: RAMPZ, RAMPY, RAMPX, RAMPD.
 525         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
 526
 527 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
 528
 529         PR target/52505
 530         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
 531         from RAM.
 532         * config/avr/avr.md (xload_8): Adjust insn length.
 533
 534 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
 535
 536         PR target/52461
 537         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
 538         if RAMPZ affects reading from RAM.
 539
 540 2012-03-07  Richard Guenther  <rguenther@suse.de>
 541
 542         PR pch/52518
 543         PR pch/38987
 544         * doc/invoke.texi (Precompiled Headers): Remove sentence that
 545         suggests you can include PCHs from inside another header.
 546
 547 2012-03-07  Richard Sandiford  <rdsandiford@googlemail.com>
 548
 549         PR middle-end/52515
 550         * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
 551
 552 2012-03-07  Kai Tietz  <ktietz@redhat.com>
 553
 554         * doc/invoke.texi (fwritable-relocated-rdata): Document
 555         new Cygwin/MinGW target option.
 556         * config/i386/winnt.c (i386_pe_unique_section): Ignore
 557         reloc if flag -fwritable-relocated-rdata is not set.
 558         (i386_pe_section_type_flags): Likewise.
 559         * config/i386/cygming.opt (fwritable-relocated-rdata):
 560         Add new flag variable flag_writable_rel_rdata.
 561
 562 2012-03-07  Richard Guenther  <rguenther@suse.de>
 563
 564         * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
 565         precision against gimple constraints.
 566
 567 2012-03-06  Richard Sandiford  <rdsandiford@googlemail.com>
 568
 569         PR middle-end/52372
 570         * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
 571         variables.
 572         (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
 573         * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
 574         variables.
 575         (init_emit_regs): Move associated initialization to...
 576         (init_emit_once): ...here.
 577
 578 2012-03-06  Richard Henderson  <rth@redhat.com>
 579
 580         * config/m68k/m68k.h (ISA_HAS_TAS): New.
 581         * config/m68k/sync.md (atomic_test_and_set): Use it.
 582         (atomic_test_and_set_1): Likewise.
 583
 584 2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
 585
 586         PR target/50310
 587         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
 588         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
 589         (vector_ltgt<mode>): Likewise.
 590         (vector_ordered<mode>): Likewise.
 591         (vector_unordered<mode>): Likewise.
 592         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
 593
 594 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
 595
 596         * trans-mem.c: New typedef for tm_region_p.
 597         Define vector types for tm_region_p.
 598         (tm_region_init): Replace region_worklist to a vector called
 599         bb_regions.
 600
 601 2012-03-06  Richard Guenther  <rguenther@suse.de>
 602
 603         * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
 604         MEM_REF with constant pointer operand.
 605
 606 2012-03-06  Richard Guenther  <rguenther@suse.de>
 607
 608         PR middle-end/52493
 609         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
 610
 611 2012-03-06  Tristan Gingold  <gingold@adacore.com>
 612
 613         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
 614         (external_model_kind): Improve documentation.
 615         (vms_pragma_extern_model): Handle relaxed_redef.
 616         (vms_c_register_pragma): Allow expansion for nomember_alignment.
 617
 618 2012-03-06  Georg-Johann Lay  <avr@gjlay.de>
 619
 620         * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
 621         Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
 622         Some more notes on EIND usage and reorder EIND subsection.
 623
 624 2012-03-06  Tristan Gingold  <gingold@adacore.com>
 625
 626         * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
 627         * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
 628
 629 2012-03-06  Tristan Gingold  <gingold@adacore.com>
 630
 631         * config/vms/t-vmsnative (version): Define.
 632         * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
 633
 634 2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
 635
 636         PR rtl-optimization/52250
 637         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
 638         to put note list into.  Unconditionally call move_bb_info.
 639         (move_bb_info): Do not assert the blocks being in the same region,
 640         just drop the note list if they are not.
 641
 642 2012-03-06  Oleg Endo  <olegendo@gcc.gnu.org>
 643
 644         PR target/51244
 645         * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
 646         and use unified expansion logic.
 647         * config/sh/sh.md (xorsi3_movrt): Rename to movrt.  Move
 648         closer to the existing movt insn.
 649         (negc): Rename insn to *negc.  Add new expander.
 650         (movnegt): Use xor pattern for T bit negation.  Reserve helper
 651         constant for negc pattern.
 652         (*movnegt): New insn and splitter.
 653
 654 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
 655
 656         * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
 657         PLUS_EXPR.
 658
 659 2012-03-05  Richard Henderson  <rth@redhat.com>
 660
 661         * genemit.c (main): Include "target.h" in insn-emit.c.
 662         * Makefile.in (insn-emit.o): Depend on TARGET_H.
 663         * config/sh/sync.md (atomic_test_and_set): Reference
 664         targetm.atomic_test_and_set_trueval instead of
 665         TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
 666
 667 2012-03-05  Joern Rennecke  <joern.rennecke@embecosm.com>
 668
 669         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
 670         Make static.
 671
 672 2012-03-05  Steven Bosscher  <steven@gcc.gnu.org>
 673
 674         * langhooks.c (add_builtin_type): New function.
 675         * langhooks.h (add_builtin_type): Export it.
 676         * config/mep/mep.c (mep_init_builtins): Use it.
 677         * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
 678
 679 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
 680
 681         PR debug/51902
 682         * tree.h (BLOCK_SAME_RANGE): Define.
 683         * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
 684         if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
 685         Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
 686         isn't equal to supercontext fragment's fragment chain.
 687         Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
 688         fragment origin.
 689         (blocks_nreverse_all): Likewise.
 690         (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits.  Set
 691         BLOCK_SUPERCONTEXT to supercontext fragment instead of
 692         supercontext fragment's fragment origin.
 693         * dwarf2out.c (add_high_low_attributes): If stmt has the same
 694         range as its parent (or parents thereof etc.), use the parent's
 695         DW_AT_ranges value instead of creating a new .debug_ranges range.
 696
 697 2012-03-05  Richard Henderson  <rth@redhat.com>
 698
 699         PR tree-opt/52242
 700         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
 701         * omp-low.c (expand_omp_atomic): Assume anything aligned to
 702         BIGGEST_ALIGNMENT is aligned.
 703
 704 2012-03-05  Richard Henderson  <rth@redhat.com>
 705
 706         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
 707         * config/sh/sh.c: ... here.
 708
 709 2012-03-05  Richard Henderson  <rth@redhat.com>
 710
 711         PR target/52481
 712         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
 713         instead of calling negqi2 directly.
 714
 715 2012-03-05  Aldy Hernandez  <aldyh@redhat.com>
 716
 717         PR middle-end/52463
 718         * trans-mem.c (tm_region_init): Use last_basic_block.
 719
 720 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
 721
 722         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
 723         * config/sh/sync.md (atomic_test_and_set): New expander.
 724         (tasb, atomic_test_and_set_soft): New insns.
 725         * config/sh/sh.opt (menable-tas): New option.
 726         * doc/invoke.texi (SH Options): Document it.
 727
 728 2012-03-05  Richard Guenther  <rguenther@suse.de>
 729
 730         * cfgloop.c (verify_loop_structure): Verify dominators before
 731         using them.
 732         * graphite-clast-to-gimple.c (graphite_verify): Do not verify
 733         dominators from here.
 734         * graphite-scop-detection.c (create_sese_edges): Likewise.
 735         * loop-doloop.c (doloop_optimize_loops): Likewise.
 736         * loop-init.c (loop_optimizer_init): Likewise.
 737         * loop-unroll.c (unroll_and_peel_loops): Likewise.
 738         * loop-unswitch.c (unswitch_loops): Likewise.
 739         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
 740         * tree-parloops.c (parallelize_loops): Likewise.  Verify
 741         only when checking is enabled.
 742         * tree-loop-distribution.c (tree_loop_distribution): Likewise.
 743
 744 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
 745
 746         * genautomata.c (parse_automata_opt): New static function.
 747         (initiate_automaton_gen): Remove all option handling code.  Remove
 748         argc argument.  All callers changed.
 749         (main): Call init_rtx_reader_args_cb with the new function as argument.
 750
 751 2012-03-05  Richard Guenther  <rguenther@suse.de>
 752
 753         * cfgexpand.c (gimple_expand_cfg): Free dominator info.
 754         * tree-if-conv.c (combine_blocks): Free post-dominator info
 755         after breaking it.
 756         * tree-parloops.c (create_parallel_loop): Free and re-compute
 757         dominator info after breaking it.
 758
 759 2012-03-05  Richard Guenther  <rguenther@suse.de>
 760
 761         PR middle-end/52353
 762         * optabs.h (trapv_unoptab_p): New function.
 763         (trapv_binoptab_p): Likewise.
 764         * optabs.c (expand_binop): Use emit_libcall_block_1 with
 765         a proper equiv_may_trap argument.
 766         (expand_unop): Likewise.
 767         (emit_libcall_block_1): Take extra argument whether the
 768         instruction may trap.  Renamed from ...
 769         (emit_libcall_block): ... this.  New wrapper.
 770
 771 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
 772
 773         PR tree-optimization/51721
 774         * tree-vrp.c (register_edge_assert_for_2): If comparing
 775         lhs of right shift by constant with an integer constant,
 776         add ASSERT_EXPRs for the rhs1 of the right shift.
 777
 778         * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
 779
 780 2012-03-05  Richard Guenther  <rguenther@suse.de>
 781
 782         * tree.c (integer_zerop): Handle VECTOR_CSTs.
 783         (integer_onep): Likewise.
 784         (integer_all_onesp): Likewise.
 785
 786 2012-03-05  Georg-Johann Lay  <avr@gjlay.de>
 787
 788         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
 789
 790 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
 791
 792         * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
 793         instead of TARGET_64BIT.
 794
 795 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
 796
 797         * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
 798         adjust_stack_insn.
 799
 800 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
 801
 802         * config/i386/i386.c (ix86_print_operand_address): Only handle
 803         zero-extended DImode addresses.
 804
 805 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
 806
 807         * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
 808         taken and cputaken as bool.
 809
 810 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
 811
 812         * config/i386/constraints.md (Ya): New internal constraint.
 813         * config/i386/i386.md (zero_extendsidi2): Remove expansion.
 814         (*zero_extendsidi2_rex64): Add x,x alternative.
 815         (*zero_extendsidi2): Ditto.  Add o,0 alternative.
 816         Remove flags reg clobber.  Adjust corresponding splits.
 817         (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
 818         zero_extendqisi2 expanders using SWI12 mode iterator.
 819         (zero_extend<mode>si2_and): Macroize insn from
 820         zero_extendhisi2_and and zero_extendqisi2_and.  Merge corresponding
 821         splitters.
 822         (*zero_extend<mode>si2):  Macroize insn from
 823         *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
 824         (*zero_extend*2_movzbl_and): Remove insn patterns.
 825         (zero_extendqihi2_and): Merge corresponding splitter.
 826         (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
 827         (*zero_extend*2_movzbl_and): Remove insn patterns.
 828         (*anddi_1): Split TYPE_IMOVX instructions.
 829         (*andsi_1): Use Ya for alternative 2.  Split TYPE_IMOVX instructions.
 830         (*andhi_1): Ditto.
 831         (and->zext splitter): Add splitter pattern.
 832         (zero extend with andsi3 splitter): Adjust zero_extend pattern.
 833
 834 2012-03-04  Sandra Loosemore  <sandra@codesourcery.com>
 835
 836         * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
 837         x86-specific text.
 838         (Debugging Options): Likewise.
 839         (Optimize Options): Likewise.
 840         (i386 and x86-64 Options): Discuss -march before -mtune, consistently
 841         with other architectures.  Use official processor names with correct
 842         spelling/capitalization.  Fix formatting and grammar issues.
 843         (i386 and x86-64 Windows Options): Similar cleanup here.
 844
 845 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
 846
 847         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
 848
 849 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
 850
 851         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
 852         DBX_REGISTER_NUMBER.
 853
 854 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
 855
 856         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
 857         operand is CONST_INT.  Take COSTS_N_INSNS into account.
 858         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
 859         of shiftcosts.
 860
 861 2012-03-02  Richard Henderson  <rth@redhat.com>
 862
 863         * optabs.c (expand_atomic_test_and_set): Honor
 864         atomic_test_and_set_trueval even when atomic_test_and_set
 865         optab is not in use.
 866
 867 2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
 868
 869         PR target/48596
 870         PR target/48806
 871         * config/sh/sh.c (sh_register_move_cost): Increase cost between
 872         GENERAL_REGS and FP_REGS for SImode.
 873
 874 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
 875
 876         PR target/49486
 877         * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
 878         (absdi2): New expander.
 879         (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
 880
 881 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
 882
 883         * config/sh/sync.md (atomic_exchange<mode>): New expander.
 884         (atomic_exchange<mode>_soft): New insn.
 885
 886 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
 887
 888         * config/sh/sync.md: Update copyright notice dates.
 889         (atomic_compare_and_swap<mode>): Use SImode for return value instead
 890         of QImode.
 891         (atomic_compare_and_swap<mode>_soft): Likewise.
 892
 893 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
 894
 895         PR target/31640
 896         * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
 897         * config/sh/sh.c: Update copyright notice dates.
 898         (sh_loop_align): Add logic from LOOP_ALIGN.  Don't disable loop
 899         alignment for TARGET_HARD_SH4.
 900         (sh_option_override): Reduce default function alignment.  Set
 901         loop alignment to 4 bytes when not optimizing for size.
 902
 903 2012-03-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
 904
 905         PR middle-end/50335
 906         * doc/invoke.texi (floop-flatten): Remove.
 907         * toplev.c (process_options): Remove references to flag_loop_flatten.
 908         * tree-ssa-loop.c (gate_graphite_transform): Same.
 909         * common.opt (floop-flatten): Obsolete.
 910         * graphite-poly.c (apply_poly_transforms): Remove reference to
 911         flag_loop_flatten.
 912         * Makefile.in (graphite-flattening.o): Remove.
 913         * graphite-flattening.c: Remove.
 914
 915 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
 916
 917         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
 918         having mode compatible with the mode of previous compare.  Substitute
 919         compare mode of previous compare with the mode, compatible
 920         with eliminated and previous compare.
 921
 922 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
 923
 924         * config/rs6000/dfp.md (floatdidd2): New define_insn.
 925
 926 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
 927
 928         * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
 929         compatible with CCGOCmode and CCGCmode.
 930
 931 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
 932
 933         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
 934
 935 2012-03-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
 936
 937         * config/arm/arm.c (arm_sat_operator_match): New function.
 938         * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
 939         * config/arm/arm.md ("insn" attribute): Add "sat" value.
 940         ("SAT", "SATrev"): New code iterators.
 941         ("SATlo", "SAThi"): New code iterator attributes.
 942         ("*satsi_<SAT:code>"): New pattern.
 943         ("*satsi_<SAT:code>_shift"): Likewise.
 944         * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
 945         and "shift" attributes.
 946         ("arm_usatsihi"): Add "insn" attribute.
 947         * config/arm/predicates.md (sat_shift_operator): Allow multiplication
 948         by powers of two.  Do not allow shift by 32.
 949
 950 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
 951
 952         PR target/46716
 953         * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
 954         to pass the argument in the register of "natural" mode.
 955
 956 2012-03-02  Richard Guenther  <rguenther@suse.de>
 957
 958         PR tree-optimization/52406
 959         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
 960         (struct indices): Add unconstrained_base member.
 961         (struct dr_alias): Remove unused vops member.
 962         (DR_UNCONSTRAINED_BASE): New define.
 963         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
 964         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
 965         be an artificial access that covers the whole indexed object,
 966         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
 967         plain decl base-objects to their MEM_REF variant.
 968         (dr_may_alias_p): When the base-object of either data reference
 969         has unknown size use only points-to information.
 970         (compute_affine_dependence): Make dumps easier to read and
 971         more verbose.
 972         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
 973         DR_REF when looking for packed references.
 974         (vect_supportable_dr_alignment): Likewise.
 975
 976 2012-03-02  Greta Yorsh  <Greta.Yorsh@arm.com>
 977
 978         * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
 979         Improve conditions for peepholes of loads followed by commutative
 980         operators.
 981         * config/arm/ldmstm.md: Regenerated.
 982
 983 2012-03-02  Richard Guenther  <rguenther@suse.de>
 984
 985         * BASE-VER: Set to 4.8.0.
 986
 987 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
 988
 989         * config.gcc (obsolete): Add all ARM targets using the FPA.
 990         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
 991         * doc/install.texi: Avoid references to obsolete ARM ports.
 992
 993 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
 994
 995         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
 996
 997 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
 998             Joern Rennecke  <joern.rennecke@embecosm.com>
 999
1000         * doc/extend.texi: Expand and update information on interrupt
1001         attribute for Epiphany.
1002
1003 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1004
1005         * config/sh/sh-protos.h: Update copyright notice dates.
1006         * config/sh/sh.h: Likewise.
1007         * config/sh/sh.md: Likewise.
1008         * config/sh/constraints.md: Likewise.
1009         * config/sh/predicates.md: Likewise.
1010
1011 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1012
1013         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1014         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1015
1016 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1017
1018         * config/sh/constraints.md: Fix comment typo.
1019
1020 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1021
1022         PR target/52408
1023         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1024         unsigned HOST_WIDE_INT.
1025         (zvdep_imm64): Likewise.
1026         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1027         (vdepi_and): Likewise.
1028         Likewise for unamed 64-bit patterns.
1029         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1030
1031 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1032
1033         PR debug/52001
1034         PR rtl-optimization/52417
1035         * cselib.c (cselib_any_perm_equivs): New variable.
1036         (cselib_reset_table): Check that it's not set when not
1037         preserving constants.
1038         (cselib_add_permanent_equiv): Set it.
1039         (cselib_have_permanent_equivalences): New.
1040         (cselib_init, cselib_finish): Reset it.
1041         * cselib.h (cselib_have_permanent_equivalences): Declare.
1042         * alias.c (get_addr): Restore earlier behavior when there
1043         aren't permanent equivalences.
1044
1045 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1046
1047         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1048         * config/v850/v850-modes.def: Fix copyright notice.
1049
1050 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1051
1052         * doc/extend.texi (AVR Built-in Functions): Document
1053         __builtin_avr_flash_segment.
1054
1055         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1056         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1057         (*split.flash_segment): New insn-and-split.
1058         * config/avr/avr.c (avr_init_builtins): Add local variables:
1059         const_memx_void_node, const_memx_ptr_type_node,
1060         char_ftype_const_memx_ptr.
1061
1062 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1063
1064         PR tree-optimization/52445
1065         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1066         add ssa_name_ver, offset and size fields and change store field
1067         to bool.
1068         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1069         (add_or_mark_expr): Likewise.  Only consider previous stores
1070         with the same size and offset.
1071         (nt_init_block): Only look at gimple_assign_single_p stmts,
1072         doesn't look at rhs2.
1073
1074 2012-03-01  Richard Guenther  <rguenther@suse.de>
1075
1076         PR middle-end/52443
1077         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1078         conversions from integral types to pointer types.
1079
1080 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1081
1082         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1083         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1084         unintentionally removed in r184616.
1085
1086 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1087
1088         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1089         3DNow from bdver1.
1090
1091 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1092             Uros Bizjak  <ubizjak@gmail.com>
1093
1094         PR target/52437
1095         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1096         alternatives, add "e" constraint to the new last alternative
1097         and ! to last 3 alternatives.
1098
1099 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1100
1101         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1102         DW_AT_artificial attributes at the end of the processing.
1103         (gen_array_type_die): Likewise.
1104         (gen_enumeration_type_die): Likewise.
1105         (gen_struct_or_union_type_die): Likewise.
1106         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1107         the parent type.
1108
1109 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1110
1111         PR middle-end/52419
1112         * expr.c (expand_assignment): If doing misaligned store that doesn't
1113         cover all mode bits, perform a RMW cycle.
1114
1115         PR tree-optimization/52429
1116         * tree-parloops.c (separate_decls_in_region_debug): Return early
1117         if var is LABEL_DECL.
1118
1119 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1120
1121         PR tree-optimization/52424
1122         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1123         calling dom_thread_across_edge.
1124
1125 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1126
1127         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1128
1129 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1130
1131         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1132         * config/avr/avr.c (avr_output_bld): Remove unused function.
1133         (avr_out_sbxx_branch): Use "%T" to print bit position.
1134
1135 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1136
1137         * config/avr/avr.md: Untabify.
1138
1139 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1140
1141         * config/avr/avr.md (eqne): New code iterator.
1142         (*dec-and-branchsi): Use it in text peephole's condition.
1143         (*dec-and-branchhi): Ditto.
1144         (*dec-and-branchqi): Ditto.
1145
1146 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1147
1148         PR target/49939
1149         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1150         the device does not have the skip-bug.
1151
1152 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1153
1154         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1155         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1156         -mpretend-cmove): New.
1157
1158 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1159
1160         PR bootstrap/52397
1161         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1162         doesn't count DEBUG_INSN refs.
1163         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1164         for DEBUG_INSN refs.
1165
1166 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1167
1168         Partially revert:
1169
1170         2012-02-20  Richard Guenther  <rguenther@suse.de>
1171         PR tree-optimization/52298
1172         * tree-vect-stmts.c (vectorizable_load): Properly use
1173         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1174         outer loops.
1175
1176 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1177
1178         PR middle-end/51752
1179         * gimple.h (gimple_in_transaction): New.
1180         (gimple_set_in_transaction): New.
1181         (struct gimple_statement_base): Add in_transaction field.
1182         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1183         transaction loads.
1184         (tree_ssa_lim_initialize): Compute transaction bits.
1185         * tree.h (compute_transaction_bits): Protoize.
1186         * trans-mem.c (tm_region_init): Use the heap to store BB
1187         auxilliary data.
1188         (compute_transaction_bits): New.
1189
1190 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1191
1192         * gcc.c (display_help): Document --help=common and sort entries
1193         alphabetically.
1194
1195 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1196
1197         * doc/install.texi: Document check-$LANG specific shortcuts
1198
1199 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1200
1201         PR target/51534
1202         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1203         and vcgtu.
1204         * config/arm/arm_neon.h: Regenerate.
1205         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1206         (neon_vcgeu): New insn.
1207         (neon_vcgtu): Likewise.
1208         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1209         (ops): Unsigned comparison intrinsics call a different builtin.
1210
1211 2012-02-28  Richard Guenther  <rguenther@suse.de>
1212
1213         PR target/52407
1214         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1215         ordering for the VEC_CONCAT for two element vectors for
1216         V2SFmode, V2SImode and V2DImode.
1217
1218 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1219
1220         PR target/49448
1221         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1222         detecting big-endian triplets.
1223
1224 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1225
1226         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1227         mode if there is no type information available.
1228
1229 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1230
1231         PR tree-optimization/53207
1232         * doc/invoke.texi: Document as experimental and relying on graphite.
1233
1234 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1235
1236         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1237         of initializer to changes from r184614.
1238
1239 2012-02-28  Richard Guenther  <rguenther@suse.de>
1240
1241         PR tree-optimization/52395
1242         * tree-sra.c (build_ref_for_offset): Also look at the base
1243         TYPE_ALIGN when figuring out the alignment of the replacement.
1244
1245 2012-02-28  Richard Guenther  <rguenther@suse.de>
1246
1247         PR tree-optimization/52402
1248         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1249         mis-aligned types when creating the accesses at the call site.
1250
1251 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1252
1253         * config/avr/builtins.def: New file.
1254         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1255         * config/avr/avr.c (enum avr_builtin_id): Use it.
1256         (avr_init_builtins): Use it. And use avr_bdesc.
1257         (bdesc_1arg): Remove.
1258         (bdesc_2arg): Remove.
1259         (bdesc_3arg): Remove.
1260         (struct avr_builtin_description): Add field n_args.
1261         (avr_bdesc): New static variable using builtins.def.
1262         (avr_expand_builtin): Use it.
1263         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1264         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1265         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1266
1267 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1268
1269         PR target/52148
1270         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1271         match only one single hard register with respective hard reg rtx.
1272         (movmemx_<mode>): Ditto.
1273         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1274         insn anatomy of movmem[x]_<mode>.
1275         (avr_out_movmem): Same for printing assembler and operand usage.
1276
1277 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1278
1279         PR target/49868
1280         PR target/52261
1281         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1282         address spaces located outside of device flash.
1283
1284         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1285         (mcu_type_s): Add field n_flash.
1286         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1287         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1288         (AVR_MCU): Add N_FLASH argument.
1289         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1290         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1291         macro __FLASH<n> if that address space makes sense for the device.
1292         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1293         outside of target flash.
1294         (avr_asm_named_section): Ditto.
1295         (avr_asm_select_section): Ditto.
1296         (avr_addr_space_convert): Ditto.
1297         (avr_emit_movmemhi): Ditto.
1298         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1299         address space is outside of device flash.
1300         (avr_insert_attributes): Ditto.
1301         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1302         avr_current_arch->n_segments.
1303
1304 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1305
1306         PR target/52352
1307         * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
1308         (*movabs<mode>_2): Likewise.
1309
1310 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1311
1312         PR target/52375
1313         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1314         s_register_operand in the test instead of REG_P.  Don't call
1315         gen_reg_rtx if it won't be used.
1316
1317         PR tree-optimization/52376
1318         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1319
1320 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1321
1322         * ifcvt.c (noce_get_condition): Check condition variable is not
1323         small_register_classes_for_mode_p before accepting.
1324
1325 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1326
1327         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1328
1329 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1330
1331         Revert:
1332         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1333         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1334         tuning parameters.
1335         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1336
1337 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1338
1339         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1340
1341 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1342
1343         * config/sh/predicates.md: Remove blank lines.
1344         * config/sh/sh.c: Fix typos in comments.
1345         * config/sh/constraints.md: Likewise.
1346         * config/sh/sh.md: Remove blank lines.
1347         Fix typos in comments.  Use ;; as comment characters.
1348
1349 2012-02-26  Walter Lee  <walt@tilera.com>
1350
1351         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1352         (replace_mov_pcrel_step2): Ditto.
1353
1354 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1355
1356         PR debug/52001
1357         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1358         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1359         and locs that reference values newer than the non-canonical value
1360         at hand.  Return the canonical value as a worst case.
1361         (memrefs_conflict_p): Walk canonical value's locs.
1362
1363         PR debug/52001
1364         * cselib.c (preserve_only_constants): Rename to...
1365         (preserve_constants_and_equivs): ... this.  Split out...
1366         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1367         of other preserved expressions too.
1368         (cselib_reset_table): Adjust.
1369         * var-tracking.c (reverse_op): Use canonical value to build
1370         reverse operation.
1371
1372 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1373
1374         * config/i386/i386.c (ix86_delegitimize_address): Handle
1375         UNSPEC_PCREL plus displacement.
1376
1377 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1378
1379         PR target/52261
1380         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1381         to test for unusedness in st X addressing.
1382
1383 2012-02-24  Richard Guenther  <rguenther@suse.de>
1384
1385         PR middle-end/52361
1386         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1387         (is_gimple_reg_type): Move inline ...
1388         * gimple.h (is_gimple_reg_type): ... here.
1389
1390 2012-02-24  Richard Guenther  <rguenther@suse.de>
1391
1392         PR middle-end/52361
1393         * passes.c (execute_function_todo): When verifying SSA form
1394         verify gimple form first.
1395         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1396
1397 2012-02-24  Richard Guenther  <rguenther@suse.de>
1398
1399         PR middle-end/52355
1400         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1401         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1402
1403 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1404
1405         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1406
1407 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1408
1409         * tree-phinodes.c (make_phi_node): Mark static.
1410         * tree-flow.h (make_phi_node): Remove extern decl.
1411         * doc/gimple.texi (make_phi_node): Remove documentation.
1412
1413 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1414
1415         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1416         * tree-ssa-sccvn.c (print_scc): Ditto.
1417
1418 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1419
1420         * doc/passes.texi (Full redundancy elimination): Fix typo.
1421
1422 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1423
1424         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1425
1426 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1427
1428         PR bootstrap/52287
1429         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1430
1431 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1432
1433         PR c/52290
1434         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1435
1436 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1437
1438         * config/avr/avr.md (code_stdname): Add ior, xor.
1439         (xior): New code iterator.
1440         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1441         (*<code_stdname><mode>qi.byte1-3): Ditto.
1442
1443 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1444
1445         PR tree-optimization/52019
1446         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1447         CLOBBER stmts.
1448
1449 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1450
1451         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1452         HAVE_INITFINI_ARRAY to work around namespace pollution in
1453         certain versions of newlib system headers.
1454         * config.in: Regenerate.
1455         * configure: Regenerate.
1456         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1457         instead of HAVE_INITFINI_ARRAY.
1458
1459 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1460
1461         PR target/52330
1462         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1463         is not offsettable memory reference.
1464
1465 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1466
1467         PR target/18145
1468         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1469         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1470
1471 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1472
1473         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1474         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1475
1476 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1477
1478         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1479         library on Solaris 8 even without TLS support.
1480         * configure: Regenerate.
1481
1482 2012-02-22  Richard Guenther  <rguenther@suse.de>
1483
1484         PR middle-end/52329
1485         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1486         for GIMPLE_DEBUG stmts.
1487
1488 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1489
1490         PR middle-end/51782
1491         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1492         according to the base object.
1493
1494 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1495
1496         PR rtl-optimization/50063
1497         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1498         and 2 (8-bit SP) in operand 2.
1499         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1500         setup to use movhi_sp_r instead of vanilla move to write SP.
1501         Adjust REG_CFA notes to superseed unspec.
1502         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1503         of vanilla move.
1504         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1505         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1506         irq_state 1 (IRQ known to be on) here.
1507
1508 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1509
1510         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1511         WORDS_BIG_ENDIAN.
1512         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1513         assign_hard_reg): Likewise.
1514
1515 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1516
1517         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1518
1519 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1520
1521         * config/avr/avr.md
1522         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1523         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1524
1525 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1526
1527         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1528         prototype from here to...
1529         * config/avr/avr.h: ...here.
1530
1531 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1532
1533         PR target/52294
1534         * thumb2.md (thumb2_shiftsi3_short): Split register and
1535         immediate shifts.  For register shifts tie operands 0 and 1.
1536         (peephole2 for above): Check that register-controlled shifts
1537         have suitably tied operands.
1538
1539 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1540
1541         PR target/52137
1542         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1543         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1544         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1545         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1546         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1547         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1548         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1549         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1550         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1551         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1552         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1553         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1554         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1555         bdver1_ssevector_avx256_unaligned_load,
1556         bdver1_ssevector_sse128_unaligned_load,
1557         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1558         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1559         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1560         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1561         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1562         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1563         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1564         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1565         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1566         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1567         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1568         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1569         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1570         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1571         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1572         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1573         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1574         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1575         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1576         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1577         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1578         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1579         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1580         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1581         bdver1_ssediv_double_load, bdver1_ssediv_double,
1582         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1583         Add "bdver2" attribute.
1584
1585 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1586
1587         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1588         default if possible and not specified otherwise.
1589
1590 2012-02-21  Richard Guenther  <rguenther@suse.de>
1591
1592         PR middle-end/52314
1593         * gimplify.c (create_tmp_from_val): Use the main variant type
1594         for the type of the temporary we create.
1595
1596 2012-02-21  Richard Guenther  <rguenther@suse.de>
1597
1598         PR tree-optimization/52324
1599         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1600         do not gimplify a MEM_REF address operand if it is already
1601         in suitable form.
1602
1603 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1604
1605         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1606         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1607
1608 2012-02-21  Richard Guenther  <rguenther@suse.de>
1609
1610         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1611         nested_in_vect_loop.
1612
1613 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1614
1615         PR tree-optimization/52318
1616         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1617         vdef also to non-pure/const call stmts in the sequence.
1618
1619 2012-02-21  Tristan Gingold  <gingold@adacore.com>
1620
1621         * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
1622
1623 2012-02-20  David S. Miller  <davem@davemloft.net>
1624
1625         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1626         don't use the "rd %pc" instruction on v9 for PIC register loads.
1627
1628 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1629
1630         PR middle-end/52141
1631         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1632         in a transaction safe function.
1633
1634 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1635
1636         PR target/52238
1637         * stor-layout.c (place_field): Handle desired_align for
1638         ms-bitfields, too.
1639
1640 2012-02-20  Richard Guenther  <rguenther@suse.de>
1641
1642         PR tree-optimization/52298
1643         * tree-vect-stmts.c (vectorizable_store): Properly use
1644         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1645         outer loops.
1646         (vectorizable_load): Likewise.
1647         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1648         Access DR_STEP after ensuring it is not NULL.
1649
1650 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1651
1652         PR tree-optimization/52286
1653         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1654         optimization use double_int_to_tree instead of build_int_cst_wide,
1655         rewrite to use double_int vars.
1656
1657 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1658
1659         PR target/50166
1660         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1661         Define _start.
1662         Remove -e 0 from $gcc_cv_ld invocation.
1663         Only use __GLIBC_PREREQ if defined.
1664         Enable on Solaris since Solaris 8 patch.
1665         (gcc_SUN_LD_VERSION): New macro.
1666         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1667         gcc_SUN_LD_VERSION for version number format.
1668         * configure: Regenerate.
1669         * varasm.c (get_elf_initfini_array_priority_section): Set
1670         SECTION_NOTYPE for non-default priority.
1671         Use get_section instead of get_unnamed_section to emit
1672         .init_array/.fini_array with default priority.
1673
1674 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1675
1676         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1677         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1678         (mips_start_unique_function, mips_output_mips16_rdhwr)
1679         (mips_code_end): New functions.
1680         (TARGET_ASM_CODE_END): Define.
1681
1682 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1683
1684         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1685         to stubs with non-sibling calls.
1686
1687 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1688
1689         * doc/invoke.texi (-fira-* options): Copy-edit.
1690         (ira-* parameters): Copy-edit.
1691
1692 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1693
1694         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1695         GCC coding conventions.
1696
1697 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1698
1699         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1700         when used as adjectives.
1701
1702 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1703
1704         * doc/invoke.texi: Clean up "that"/"which" confusion.
1705
1706 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1707
1708         * system.h: Poison SMALL_REGISTER_CLASSES
1709         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1710         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1711
1712 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1713
1714         PR tree-optimization/52285
1715         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1716         when deciding if a call is a tail call or tail recursion.
1717
1718 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1719
1720         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1721         interger-constant displacement for UNSPEC_PCREL.
1722
1723 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1724
1725         PR rtl-optimization/52208
1726         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1727         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1728
1729         PR tree-optimization/52255
1730         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1731         loop->header has virtual PHI, but exit_e->dest doesn't, add
1732         virtual PHI to exit_e->dest and adjust all uses after the loop.
1733
1734         PR debug/52260
1735         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1736         children with clone_tree_hash, not after it.
1737
1738 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1739
1740         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1741         extended identifiers.
1742
1743 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1744
1745         PR middle-end/51929
1746         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1747         a same_body_alias, also test whether e->callee isn't a former
1748         or current clone of the decl this is a same body alias of.
1749
1750         PR translation/52264
1751         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1752
1753 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1754
1755         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1756
1757 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1758
1759         PR target/52199
1760         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1761         force_reg instead of copy_to_reg for better optimization.  Force
1762         non-register or memory operands into a register.
1763
1764 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1765
1766         * extend.texi: Reserve upper bits of memory model for future use.
1767
1768 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1769             Anatoly Sokolov <aesok@post.ru>
1770             Eric Weddington <eric.weddington@atmel.com>
1771
1772         PR target/52261
1773         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1774         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1775         Rewrite initializers for .macro.
1776         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1777         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1778         atxmega32d4, atxmega32x1.
1779         avrxmega4: atxmega64a3, atxmega64d3.
1780         avrxmega5: atxmega64a1, atxmega64a1u.
1781         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1782         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1783         avrxmega7: atxmega128a1, atxmega128a1u.
1784         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1785         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1786         (struct base_arch_s): Rename reserved to xmega_p.
1787         Rename reserved2 to have_rampd.
1788         (AVR_XMEGA): New define.
1789         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1790         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1791         * config/avr/predicates.md (io_address_operand): Take into
1792         account SFR offset.
1793         (low_io_address_operand): Ditto.
1794         (high_io_address_operand): Ditto.
1795         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1796         (enabled, movhi_sp_r): Use them.
1797         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1798         cpp_define_formatted to built-in define __AVR_ARCH__.
1799         (__AVR_XMEGA__): New built-in define.
1800         (__AVR_HAVE_RAMPD__): New built-in define.
1801         (__AVR_HAVE_RAMPX__): New built-in define.
1802         (__AVR_HAVE_RAMPY__): New built-in define.
1803         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1804
1805         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1806         (avr_option_override): Initialize them.
1807         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1808         (avr_init_expanders): Initialize them. No more block several calls.
1809         (emit_push_sfr): New static function.
1810         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1811         Handle AVR_XMEGA.
1812         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1813         (avr_print_operand): Print addreeses as symbols for
1814         RAMPX, RAMPY, RAMPD, CCP.
1815         (output_movhi): Handle AVR_XMEGA when writing to SP.
1816         (avr_out_movhi_mr_r_xmega): New static function.
1817         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1818         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1819         __RAMPD__,  __CCP__ as needed.
1820
1821         * config/avr/multilib.h: Regenerate.
1822         * config/avr/t-multilib: Regenerate.
1823         * config/avr/avr-tables.opt: Regenerate.
1824
1825 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1826
1827         PR tree-optimization/50561
1828         * graphite-flattening.c (lst_project_loop): Do not
1829         remove old scattering dimensions after flattening.
1830         (lst_do_flatten): Likewise.
1831
1832 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1833
1834         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1835         __builtin_avr_map8, __builtin_avr_map16.
1836         Document __builtin_avr_insert_bits.
1837
1838         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1839         (insert_bits): New insn.
1840         (adjust_len.map_bits): Rename to insert_bits.
1841         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1842         * avr-protos.h (avr_out_map_bits): Remove.
1843         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1844         * config/avr/constraints.md (Cxf,C0f): New.
1845         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1846         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1847         New built-in define __BUILTIN_AVR_INSERT_BITS.
1848         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1849         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1850         (avr_move_bits): Rewrite.
1851         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1852         functions.
1853         (avr_map_op_t): New typedef.
1854         (avr_map_op): New static variable.
1855         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1856         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1857         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1858         (bdesc_3arg, avr_expand_triop_builtin): New.
1859         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1860         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1861         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1862         (avr_map_equal_p, avr_map_sig_p): Remove.
1863         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1864         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1865         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1866         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1867         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1868         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1869
1870 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1871
1872         * config/c6x/c6x.md (reserve_cycles): New attribute.
1873         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1874         don't reserve functional units after the branch occurs.
1875
1876 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1877
1878         PR middle-end/52142
1879         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1880         functions into non-tm_pure functions.
1881
1882 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1883
1884         PR lto/52178
1885         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1886         (iterative_hash_canonical_type): Likewise.
1887         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1888         the dead edges.
1889
1890 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1891
1892         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1893         sched-group insn, it either remains alone or the entire list is pruned.
1894
1895 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1896
1897         * doc/install.texi (Prerequisites): Fix grammar.
1898         (Configuration): Likewise.
1899
1900 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1901
1902         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1903         MPC as part of GCC before describing configuring with --with-gmp etc.
1904         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1905         sources are present.
1906
1907 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1908
1909         PR debug/51950
1910         * dwarf2out.c (clone_tree_hash): New function.
1911         (copy_decls_walk): Use it instead of clone_tree.
1912
1913 2012-02-14  Richard Guenther  <rguenther@suse.de>
1914
1915         PR tree-optimization/52244
1916         PR tree-optimization/51528
1917         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1918         replacements for integral types.
1919
1920 2012-02-14  Walter Lee  <walt@tilera.com>
1921
1922         * config.gcc: Handle tilegx and tilepro.
1923         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1924         tilegx and tilepro.
1925         Add HAVE_AS_TLS check for tilegx and tilepro.
1926         * configure: Regenerate.
1927         * doc/contrib.texi: Add Mat Hostetter and self.
1928         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1929         Document instruction intrinsics and network accessing intrinsics.
1930         (TILEPro Built-in Functions): New node.  Document instruction
1931         intrinsics and network accessing intrinsics.
1932         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1933         (Specific, tilepro-*-linux*): Likewise.
1934         * doc/invoke.texi (TILE-Gx Options): New section.
1935         (TILEPro Options): New section.
1936         * doc/md.texi (TILE-Gx): New section.
1937         (TILEPro): New section.
1938         * common/config/tilegx/tilegx-common.c: New file.
1939         * common/config/tilepro/tilepro-common.c: New file.
1940         * config/tilegx/constraints.md: New file.
1941         * config/tilegx/linux.h: New file.
1942         * config/tilegx/mul-tables.c: New file.
1943         * config/tilegx/predicates.md: New file.
1944         * config/tilegx/sync.md: New file.
1945         * config/tilegx/t-tilegx: New file.
1946         * config/tilegx/tilegx-builtins.h: New file.
1947         * config/tilegx/tilegx-c.c: New file.
1948         * config/tilegx/tilegx-generic.md: New file.
1949         * config/tilegx/tilegx-modes.def: New file.
1950         * config/tilegx/tilegx-multiply.h: New file.
1951         * config/tilegx/tilegx-protos.h: New file.
1952         * config/tilegx/tilegx.c: New file.
1953         * config/tilegx/tilegx.h: New file.
1954         * config/tilegx/tilegx.md: New file.
1955         * config/tilegx/tilegx.opt: New file.
1956         * config/tilepro/constraints.md: New file.
1957         * config/tilepro/gen-mul-tables.cc: New file.
1958         * config/tilepro/linux.h: New file.
1959         * config/tilepro/mul-tables.c: New file.
1960         * config/tilepro/predicates.md: New file.
1961         * config/tilepro/t-tilepro: New file.
1962         * config/tilepro/tilepro-builtins.h: New file.
1963         * config/tilepro/tilepro-c.c: New file.
1964         * config/tilepro/tilepro-generic.md: New file.
1965         * config/tilepro/tilepro-modes.def: New file.
1966         * config/tilepro/tilepro-multiply.h: New file.
1967         * config/tilepro/tilepro-protos.h: New file.
1968         * config/tilepro/tilepro.c: New file.
1969         * config/tilepro/tilepro.h: New file.
1970         * config/tilepro/tilepro.md: New file.
1971         * config/tilepro/tilepro.opt: New file.
1972
1973 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1974
1975         PR tree-optimization/52210
1976         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1977         vect_model_simple_cost with two entry vect_def_type array instead
1978         of an address of dt.
1979
1980 2012-02-14  Richard Guenther  <rguenther@suse.de>
1981
1982         PR lto/52178
1983         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1984         Do not stream DECL_QUALIFIER.
1985         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1986         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1987         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1988
1989 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1990
1991         PR c/52181
1992         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1993         newdecl.
1994
1995 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1996
1997         PR bootstrap/52172
1998         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1999         * cselib.c (cselib_subst_to_values_from_insn): New function.
2000         * sched-deps.c (add_insn_mem_dependence,
2001         sched_analyze_1, sched_analyze_2): Use it.
2002
2003 2012-02-13  Jan Hubicka  <jh@suse.cz>
2004
2005         PR middle-end/52214
2006         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2007
2008 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2009
2010         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2011         (GTM_SELF_SPECS): Define if not already defined.
2012         (driver_self_specs): Add GTM_SELF_SPECS.
2013         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2014         (GTM_SELF_SPECS): Define.
2015         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2016         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2017
2018 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2019
2020         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2021         away if seen.
2022
2023         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2024
2025         PR middle-end/52230
2026         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2027         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2028
2029 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2030
2031         PR c/52190
2032         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2033
2034 2012-02-13  Richard Guenther  <rguenther@suse.de>
2035
2036         PR translation/52211
2037         * passes.c (enable_disable_pass): Fix typo.
2038
2039 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2040
2041         PR middle-end/52209
2042         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2043         XOR for reduce_bit_field if type is unsigned.
2044
2045 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2046
2047         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2048         disallow changes from SFmode to mode with different size in FP regs.
2049
2050 2012-02-12  Robert Millan  <rmh@gnu.org>
2051             Gerald Pfeifer <gerald@pfeifer.com>
2052
2053         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2054         Tweak comment.
2055
2056 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2057
2058         PR rtl-optimization/52175
2059         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2060         to frame-related instructions.
2061
2062 2012-02-10  Jason Merrill  <jason@redhat.com>
2063
2064         PR c++/51910
2065         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2066         (demangle_new_symbols): Fill it.
2067         (scan_linker_output): Walk it.
2068         (start_tweaking): Split out from scan_linker_output.
2069         (maybe_tweak): Update sym->chosen.
2070         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2071
2072 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2073
2074         PR debug/52132
2075         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2076
2077 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2078
2079         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2080         having the same mode as previous compare.
2081
2082 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2083
2084         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2085         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2086         (nonlocal_goto_internal): Likewise.
2087         (nonlocal_goto): Emit a use and an indirect jump directly.
2088
2089 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2090
2091         PR c/52190
2092         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2093         __atomic_{is,always}_lock_free.
2094
2095 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2096
2097         PR target/52146
2098         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2099         negative constant address for TARGET_X32.
2100
2101 2012-02-10  Richard Henderson  <rth@redhat.com>
2102
2103         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2104         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2105         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2106
2107 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2108             Ira Rosen  <irar@il.ibm.com>
2109
2110         PR tree-optimization/50031
2111         * targhooks.c (default_builtin_vectorization_cost): Handle
2112         vec_promote_demote.
2113         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2114         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2115         all types of reduction and pattern statements.
2116         (vect_estimate_min_profitable_iters): Likewise.
2117         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2118         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2119         for explicit realigns.
2120         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2121         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2122         vec_promote_demote.
2123         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2124         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2125         vec_perm for VSX and handle vec_promote_demote.
2126
2127 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2128
2129         PR middle-end/52177
2130         * builtins.c (fold_builtin_atomic_always_lock_free,
2131         expand_builtin_atomic_always_lock_free,
2132         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2133         Return and/or test boolean_true_node/boolean_false_node instead of
2134         integer_one_node/integer_zero_node.
2135
2136 2012-02-10  Jan Hubicka  <jh@suse.cz>
2137
2138         PR middle-end/48600
2139         * predict.c (predict_paths_for_bb): Prevent looping.
2140         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2141
2142 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2143
2144         * config/arm/arm.c (output_move_double): In one case properly
2145         count number of instructions that will be emitted.
2146
2147 2012-02-10  Richard Guenther  <rguenther@suse.de>
2148
2149         PR translation/52193
2150         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2151
2152 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2153
2154         PR middle-end/52140
2155         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2156
2157 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2158
2159         PR debug/52165
2160         * var-tracking.c (emit_note_insn_var_location): If
2161         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2162         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2163         non-NOTE_DURING_CALL_P insn.
2164
2165 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2166
2167         PR middle-end/51867
2168         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2169
2170 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2171
2172         PR driver/48524
2173         * gcc.c (switch_matches) Support switches with separated form,
2174         -D and -U.
2175
2176 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2177
2178         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2179         (SP_ADDR): Ditto.
2180         (RAMPZ_ADDR): Ditto.
2181         * config/avr/avr.c (avr_addr_t): New typedef.
2182         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2183         (avr_init_expanders): Initialize it.
2184         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2185         SREG_ADDR.
2186         (expand_epilogue): Ditto.
2187         (avr_print_operand): Ditto.
2188         (avr_file_start): Ditto.
2189         (avr_emit_movmemhi): Ditto.
2190
2191 2012-02-08  Richard Guenther  <rguenther@suse.de>
2192
2193         PR tree-optimization/46886
2194         * tree-flow.h (do_while_loop_p): Declare.
2195         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2196         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2197
2198 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2199
2200         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2201         always succeed for integers larger than a native word.
2202
2203 2012-02-08  Richard Guenther  <rguenther@suse.de>
2204
2205         PR rtl-optimization/52170
2206         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2207         properly handle integer vector modes.
2208
2209 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2210
2211         PR gcov-profile/52150
2212         * coverage.c: Include target.h.
2213         (build_var): Call targetm.strip_name_encoding on the assembler name.
2214         Change one _ into . or $ if the target allows it.
2215         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2216
2217         PR rtl-optimization/52139
2218         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2219         is a BARRIER after emit_insn_after_noloc, move BB_END
2220         to the last non-BARRIER insn before it.
2221
2222 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2223
2224         PR middle-end/24306
2225         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2226         (mips_gimplify_va_arg_expr): Call it instead of
2227         std_gimplify_va_arg_expr.
2228
2229 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2230
2231         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2232         message for -mno-pointers-to-nested-function.
2233
2234 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2235
2236         PR middle-end/51994
2237         * expr.c (get_inner_reference): If there is an offset, add a negative
2238         bit position to it (if any).
2239
2240 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2241
2242         PR rtl-optimization/52060
2243         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2244         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2245         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2246         and/or i0src_copy2 when needed.
2247
2248 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2249
2250         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2251         or LTOPLUGINSONAME if have_c.
2252
2253         * config/freebsd-spec.h: Add comment about what macros can be defined
2254         in this header.
2255         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2256         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2257         here instead.
2258
2259 2012-02-07  Richard Guenther  <rguenther@suse.de>
2260
2261         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2262         newline in -alias dumps.
2263
2264 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2265             Dave Korn  <dave.korn.cygwin@gmail.com>
2266
2267         PR target/40068
2268         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2269         Take care that typinfo gets dllexport-attribute.
2270
2271 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2272
2273         PR middle-end/52074
2274         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2275         if modifier < EXPAND_SUM call force_operand on the result.
2276
2277 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2278
2279         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2280         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2281         present.
2282         (epiphany_function_type): Replace types for specific interrupts with
2283         EPIPHANY_FUNCTION_INTERRUPT.
2284         (EPIPHANY_INTERRUPT_P): Update.
2285         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2286         New static function.
2287         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2288         <disinterrupt>: Affects type identity.
2289         (epiphany_handle_interrupt_attribute): Handle variable number of
2290         arguments.
2291         (epiphany_compute_function_type): Update for new
2292         epiphany_function_type definition.
2293         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2294         handlers with a longcall forwarder.
2295         (epiphany_start_function): Handle multiple interrupt arguments and/or
2296         forwarder_section attribute.
2297
2298         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2299         libgloss.
2300
2301 2012-02-07  Alan Modra  <amodra@gmail.com>
2302
2303         PR target/52107
2304         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2305         subregs of TFmode.
2306
2307 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2308
2309         PR tree-optimization/50969
2310         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2311         use vec_perm rather than vector_stmt.
2312         (vect_model_load_cost): Likewise.
2313         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2314         vec_perm to be the same as other vector statements.
2315         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2316         cost of vec_perm for TARGET_VSX.
2317
2318 2012-02-06  Richard Guenther  <rguenther@suse.de>
2319
2320         PR tree-optimization/52115
2321         * tree-sra.c (access_has_replacements_p): New function.
2322         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2323
2324 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2325
2326         PR middle-end/52047
2327         * trans-mem.c (expand_call_tm): Add an assertion.
2328         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2329         functions.
2330
2331 2012-02-06  Richard Guenther  <rguenther@suse.de>
2332
2333         PR tree-optimization/50955
2334         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2335         raise cost of expressions that replace an address with an
2336         expression based on a different pointer.
2337
2338 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2339
2340         PR target/52129
2341         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2342         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2343
2344 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2345
2346         PR c++/48680
2347         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2348         -Weffc++ and specify guidelines come from second edition.
2349
2350 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2351
2352         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2353         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2354         (call_direct_split, call_value_split, call_value_internal_direct)
2355         (call_value_direct_split, call_value_multiple_split): Use jal and
2356         jal_macro attributes.
2357
2358 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2359
2360         * reload1.c (reload_regs_reach_end_p): Replace with...
2361         (reload_reg_rtx_reaches_end_p): ...this function.
2362         (new_spill_reg_store): Update commentary.
2363         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2364         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2365         before setting new_spill_reg_store.
2366         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2367         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2368         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2369         for non-spill reload registers.
2370
2371 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2372
2373         PR tree-optimization/52091
2374         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2375         (vect_is_simple_use_1): Likewise.
2376         * tree-vect-loop.c (vectorizable_reduction): Update calls
2377         to vect_is_simple_use_1 and vect_is_simple_use.
2378         (vectorizable_live_operation): Likewise.
2379         * tree-vect-patterns.c (widened_name_p,
2380         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2381         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2382         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2383         vectorizable_shift,vectorizable_operation, vectorizable_store,
2384         vectorizable_load): Likewise.
2385         (vect_is_simple_cond): Add an argument, pass it to
2386         vect_is_simple_use_1.
2387         (vectorizable_condition): Update calls to vect_is_simple_cond,
2388         vect_is_simple_use.
2389         (vect_is_simple_use): Add an argument, the statement in which
2390         OPERAND is used.  Check that if OPERAND's def stmt is a double
2391         reduction phi node, the use is a phi node too.
2392         (vect_is_simple_use_1): Add an argument, pass it to
2393         vect_is_simple_use.
2394         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2395         to vect_is_simple_use.
2396
2397 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2398
2399         PR rtl-optimization/52095
2400         * modulo-sched.c (dump_insn_locator): New function.
2401         (loop_canon_p, sms_schedule): Use it.
2402
2403         PR rtl-optimization/52113
2404         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2405         even for decomposable shift/zext insns.
2406
2407 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2408             Zdenek Dvorak  <ook@ucw.cz>
2409
2410         PR rtl-optimization/52092
2411         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2412         on get_iv_value result.
2413
2414 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2415
2416         PR middle-end/47982
2417         PR middle-end/43967
2418         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2419
2420 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2421
2422         PR middle-end/48071
2423         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2424
2425 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2426
2427         PR rtl-optimization/49800
2428         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2429         (sched_finish): Call regstat_free_n_sets_and_refs.
2430
2431 2012-02-02  Jia Liu  <proljc@gmail.com>
2432
2433         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2434         than operand 2.
2435
2436 2012-02-02  Jan Hubicka  <jh@suse.cz>
2437             Tom de Vries  <tom@codesourcery.com>
2438
2439         PR middle-end/51998
2440         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2441         * varpool.c (varpool_analyze_pending_decls): Likewise.
2442
2443 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2444             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2445
2446         * config.gcc: Add cr16-* support.
2447
2448         * doc/extend.texi: Document cr16 extensions.
2449         * doc/install.texi: Document cr16 install.
2450         * doc/invoke.texi: Document cr16 options.
2451         * doc/md.texi: Document cr16 constraints.
2452
2453         * common/config/cr16/cr16-common.c: New file.
2454         * config/cr16/cr16.c: New file.
2455         * config/cr16/cr16.h: New file.
2456         * config/cr16/cr16.md: New file.
2457         * config/cr16/cr16.opt: New file.
2458         * config/cr16/cr16-protos.h: New file.
2459         * config/cr16/predicates.md: New file.
2460         * config/cr16/constraints.md: New file.
2461         * config/cr16/t-cr16: New file.
2462
2463 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2464
2465         PR target/52086
2466         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2467         that operands[2] is either immediate, or q_regs_operand.
2468
2469         PR tree-optimization/52073
2470         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2471         a pattern stmt for pattern uses, ignore uses outside of the loop.
2472
2473 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2474
2475         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2476         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2477         (OUT_AS1, OUT_AS2): Remove.
2478
2479 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2480
2481         PR rtl-optimization/51374
2482         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2483         to cross other volatile_refs_p insns.
2484
2485 2012-02-01  Richard Guenther  <rguenther@suse.de>
2486
2487         * doc/invoke.texi (fno-inline): Clarify documentation.
2488         (finline-small-functions): Likewise.
2489         (finline-functions): Likewise.
2490         * common.opt (finline): Adjust comment and documentation.
2491         (finline-small-functions): Clarify documentation.
2492         (finline-functions): Likewise.
2493         (finline-functions-called-once): Likewise.
2494
2495 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2496
2497         * c-typeck.c (composite_type): Keep mode for pointers.
2498
2499 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2500
2501         * function.h (regno_reg_rtx): Adjust comment.
2502         * reginfo.c (init_reg_modes_target): Only use the previous mode
2503         if it fits within one register.  Remove MIPS comment.
2504
2505 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2506
2507         PR bootstrap/52058
2508         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2509
2510 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2511
2512         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2513         to srak instruction.
2514
2515 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2516
2517         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2518
2519 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2520
2521         PR bootstrap/52041
2522         PR bootstrap/52039
2523         PR target/51974
2524         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2525
2526 2012-01-31  Richard Guenther  <rguenther@suse.de>
2527
2528         PR tree-optimization/51528
2529         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2530         assigns.
2531
2532 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2533
2534         PR bootstrap/52041
2535         PR bootstrap/52039
2536         PR target/51974
2537         * ree.c (add_removable_extension): Change def_map argument
2538         to unsigned *, store in def_map 1 + offset into *insn_list vector
2539         instead of pointers into the vector.
2540         (find_removable_extensions): Adjust caller.
2541
2542 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2543
2544         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2545         Transform all "* quoted-c-code" to { c-code }.
2546         Remove redundant test for "optimize" in combine patterns.
2547         Move (include "avr-dimode.md") to end of file.
2548
2549 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2550
2551         PR target/51835
2552         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2553         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2554
2555 2012-01-30  Richard Guenther  <rguenther@suse.de>
2556
2557         PR tree-optimization/52028
2558         * tree-loop-distribution.c (ldist_gen): Properly update
2559         virtual SSA form.
2560
2561 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2562
2563         PR debug/52027
2564         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2565         set_cur_line_info_table if not emitting debug info.
2566
2567         PR tree-optimization/52046
2568         * tree-vect-patterns.c (check_bool_pattern): Give up if
2569         a comparison could throw.
2570
2571         PR debug/52048
2572         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2573
2574 2012-01-30  Richard Guenther  <rguenther@suse.de>
2575
2576         PR tree-optimization/52045
2577         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2578         SSA form if cfgcleanup did anything.
2579
2580 2012-01-30  Richard Guenther  <rguenther@suse.de>
2581
2582         PR tree-optimization/52045
2583         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2584         before computing final todo.
2585
2586 2012-01-30  Richard Guenther  <rguenther@suse.de>
2587
2588         PR tree-optimization/51528
2589         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2590         for PR51528 fix.
2591
2592 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2593
2594         * df-problems.c (df_kill_notes): Check that the use refers
2595         to the note under examination.
2596
2597 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2598
2599         PR target/51920
2600         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2601         parameter and use short-lived pseudos.
2602         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2603         (sparc_expand_vector_init): Const-ify local variables and adjust
2604         calls to above functions.
2605
2606 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2607
2608         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2609
2610 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2611
2612         * doc/invoke.texi: Make usage of "compile time" and
2613         "run time"/"runtime" consistent throughout the file.
2614
2615 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2616
2617         * config/alpha/alpha.c (alpha_option_override): Default to
2618         full IEEE compliance mode for Go language.
2619
2620 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2621
2622         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2623         (LINK_SSP_SPEC): Define.
2624
2625 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2626
2627         PR target/51871
2628         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2629         stubs.
2630
2631 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2632
2633         * doc/invoke.texi: Correct hyphenation of "floating point",
2634         "double precision", and related terminology throughout the file.
2635
2636 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2637
2638         PR target/52006
2639         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2640         arm_general_register_operand predicate for operand 2 instead of
2641         register_operand.
2642
2643 2012-01-27  Ian Lance Taylor  <iant@google.com>
2644
2645         PR go/47656
2646         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2647         * builtins.c (expand_builtin_init_trampoline): Add onstack
2648         parameter.  Change caller.
2649         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2650         * tree.c (build_common_builtin_nodes): Declare
2651         __builtin_init_heap_trampoline.
2652
2653 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2654
2655         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2656         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2657         * config/avr/avr.c: Ditto.
2658         (avr_regnames): Remove because unused.
2659         * config/avr/avr.md (*cpse.ne): New peephole.
2660         (*cpse.eq): New peephole from former cpse peepholes.
2661
2662 2012-01-27  Michael Eager  <eager@eagercon.com>
2663
2664         * config/microblaze.c (microblaze_emit_compare): Correct
2665         test after pcmp instruction.
2666
2667 2012-01-27  Richard Guenther  <rguenther@suse.de>
2668
2669         PR tree-optimization/52020
2670         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2671
2672 2012-01-27  Richard Guenther  <rguenther@suse.de>
2673
2674         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2675         function non-const/pure.
2676
2677 2012-01-27  Richard Guenther  <rguenther@suse.de>
2678
2679         PR tree-optimization/50444
2680         * tree-sra.c (build_ref_for_offset): Properly adjust the
2681         MEM_REF type for unaligned accesses.
2682
2683 2012-01-27  Richard Guenther  <rguenther@suse.de>
2684
2685         PR tree-optimization/50444
2686         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2687         (expand_assignment): Use it.  Properly handle misaligned
2688         bases when expanding stores to component references.
2689         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2690         refactor that case.
2691
2692 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2693
2694         PR middle-end/51389
2695         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2696         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2697         * tree-data-ref.c (find_data_references_in_loop): Make static.
2698         (compute_all_dependences): Change return type to bool.  Bail out
2699         for too many datarefs in a loop.  Move the hunk resetting the data
2700         dependences vector from ...
2701         (compute_data_dependences_for_loop): ... here.  Account for
2702         compute_all_dependences returning false.
2703         (compute_data_dependences_for_bb): Likewise.
2704         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2705         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2706
2707 2012-01-27  Richard Guenther  <rguenther@suse.de>
2708
2709         PR middle-end/51959
2710         * expr.c (store_field): Use the alias-set of the scratch memory
2711         for storing to it.
2712
2713 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2714
2715         PR tree-optimization/51990
2716         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2717         WITH_SIZE_EXPR.
2718         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2719
2720 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2721
2722         PR debug/52001
2723         * var-tracking.c (reverse_op): Don't add any reverse operation
2724         if V already has any constant locations.
2725
2726 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2727
2728         * doc/invoke.texi: Correct usage of "command line" (noun)
2729         vs "command-line" (adjective) throughout.
2730
2731 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2732
2733         * doc/invoke.texi (Language Independent Options): Move
2734         -Wcoverage-mismatch blurb from here....
2735         (Warning Options): ...to here.
2736
2737 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2738
2739         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2740         Set rs6000_always_hint to false for 476.
2741
2742 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2743
2744         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2745           system root.
2746         * incpath.c (add_standard_paths): Likewise.
2747
2748 2012-01-27  Richard Henderson  <rth@redhat.com>
2749
2750         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2751         * config/m68k/sync.md (atomic_test_and_set): Rename from
2752         sync_test_and_setqi and adjust the operands.
2753         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2754         and unconditionally enable.
2755
2756 2012-01-27  Richard Henderson  <rth@redhat.com>
2757
2758         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2759         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2760         (ldstub): Rename from ldstubqi.
2761         (ldstub<I24MODE>): Remove.
2762
2763 2012-01-27  Richard Henderson  <rth@redhat.com>
2764
2765         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2766         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2767         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2768         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2769         * doc/tm.texi: Rebuild.
2770
2771 2012-01-27  Richard Henderson  <rth@redhat.com>
2772
2773         * optabs.c (gen_atomic_test_and_set): Remove default.
2774         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2775
2776 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2777
2778         PR rtl-optimization/51978
2779         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2780         (combine_reaching_defs): Likewise.
2781         (struct re_info): Remove.
2782         (add_removable_extension): Remove x and data arguments,
2783         add insn, insn_list and def_map.  Use the arguments directly
2784         instead of using struct re_info.
2785         (find_removable_extensions): Don't call add_removable_extension
2786         through note_stores, instead just call it with single_set
2787         result if non-NULL.
2788         (find_and_remove_re): Pass curr_cand->expr instead of
2789         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2790
2791 2012-01-26  Michael Matz  <matz@suse.de>
2792
2793         PR tree-optimization/46590
2794         * cfgexpand.c: Revert last change (r183305).
2795         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2796         regs.
2797         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2798         checking for emptiness.
2799
2800 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2801
2802         PR middle-end/51895
2803         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2804         non-addressable non-BLKmode base correctly.
2805
2806 2012-01-26  Michael Matz  <matz@suse.de>
2807
2808         PR tree-optimization/48794
2809         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2810         regions referenced from RESX/EH_DISPATCH.
2811
2812 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2813
2814         * config/s390/s390.h: Make BRANCH_COST an option.
2815         * config/s390/s390.opt: New option -mbranch-cost.
2816
2817 2012-01-26  Richard Henderson  <rth@redhat.com>
2818
2819         Revert 2012-01-24 change:
2820         * trans-mem.c (requires_barrier): Do not instrument thread local
2821         variables and emit save/restore for them.
2822
2823 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2824
2825         PR middle-end/51986
2826         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2827         for pat == 0.
2828
2829 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2830
2831         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2832         ASM_OPERANDS.
2833
2834 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2835
2836         PR target/49868
2837         Rename __pgm to __flash.
2838         Rename __pgm1 to __flash1.
2839         Rename __pgm2 to __flash2.
2840         Rename __pgm3 to __flash3.
2841         Rename __pgm4 to __flash4.
2842         Rename __pgm5 to __flash5.
2843         Rename __pgmx to __memx.
2844         * doc/extend.texi (AVR Named Address Spaces)
2845         Rename address space names as indicated above.
2846         * config/avr/avr.c (avr_addrspace): Ditto.
2847
2848         * config/avr/avr-protos.h
2849         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2850         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2851         * config/avr/predicates.md: Ditto.
2852         * config/avr/avr.c Ditto, and
2853         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2854         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2855
2856         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2857         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2858         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2859         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2860         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2861         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2862         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2863         * config/avr/avr.c: Ditto.
2864         * config/avr/avr.md: Ditto.
2865
2866 2012-01-25  Jason Merrill  <jason@redhat.com>
2867
2868         PR c++/51992
2869         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2870
2871 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2872
2873         PR tree-optimization/51987
2874         * tree-data-ref.c (get_references_in_stmt): Handle references in
2875         non-volatile GIMPLE_ASM.
2876
2877 2012-01-25  Richard Guenther  <rguenther@suse.de>
2878
2879         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2880         bases are dereferenced.
2881
2882 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2883
2884         PR rtl-optimization/48374
2885         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2886
2887 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2888
2889         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2890         compute_data_dependences_for_loop returns false.
2891         * tree-parloops.c (loop_parallel_p): Likewise.
2892
2893 2012-01-25  Richard Guenther  <rguenther@suse.de>
2894
2895         * tree.h (get_pointer_alignment_1): Declare.
2896         * builtins.c (get_pointer_alignment_1): New function.
2897         (get_pointer_alignment): Use it.
2898
2899 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2900
2901         PR rtl-optimization/48308
2902         * combine.c (enum undo_kind): Add UNDO_LINKS.
2903         (struct undo): Add member l to other_contents and where.
2904         (do_SUBST_LINK): New.
2905         (SUBST_LINK): New.
2906         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2907         (undo_all): Handle UNDO_LINKS.
2908
2909 2012-01-25  Richard Henderson  <rth@redhat.com>
2910
2911         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2912         mem inputs.
2913
2914 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2915
2916         * optabs.c (gen_atomic_test_and_set): Use each argument.
2917
2918 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2919
2920         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2921         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2922         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2923         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2924         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2925         TARGET_PAIRED_SINGLE_FLOAT.
2926
2927 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2928
2929         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2930         (in_struct, return_val): Remove MEM documentation.
2931         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2932         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2933         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2934         and MEM_SCALAR.
2935         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2936         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2937         * expr.c (store_field): Likewise.
2938         * function.c (assign_stack_temp_for_type): Likewise.
2939         * ifcvt.c (noce_try_cmove_arith): Likewise.
2940         * reload1.c (reload): Likewise.
2941         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2942         (alpha_set_memflags): Likewise.
2943         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2944
2945 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2946
2947         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2948         parameter.
2949         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2950         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2951         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2952         varies parameter.
2953         * cselib.c (cselib_rtx_varies_p): Delete.
2954         (cselib_invalidate_mem): Update call to canon_true_dependence.
2955         * dse.c (record_store, check_mem_read_rtx): Likewise.
2956         (scan_reads_nospill): Likewise.
2957         * cse.c (check_dependence): Likewise.
2958         (cse_rtx_varies_p): Delete.
2959         * expr.c (safe_from_p): Update call to true_dependence.
2960         * ira.c (validate_equiv_mem_from_store): Likewise.
2961         (memref_referenced_p): Likewise.
2962         * postreload-gcse.c (find_mem_conflicts): Likewise.
2963         * sched-deps.c (sched_analyze_2): Likewise.
2964         * store-motion.c (load_kills_store): Likewise.
2965         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2966         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2967         (compute_transp): Update call to canon_true_dependence.
2968
2969 2012-01-25  Richard Henderson  <rth@redhat.com>
2970
2971         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2972         (maybe_emit_atomic_test_and_set): New.
2973         (expand_sync_lock_test_and_set): Use it.
2974         (expand_atomic_test_and_set): Likewise.
2975         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2976         the implementation; clarify implementation defined details.
2977         * doc/md.texi (atomic_test_and_set): Document.
2978
2979 2012-01-25  Richard Henderson  <rth@redhat.com>
2980
2981         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2982
2983 2012-01-25  Richard Henderson  <rth@redhat.com>
2984
2985         PR target/51968
2986         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2987         to effect no-op split.
2988
2989 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2990
2991         PR lto/51698
2992         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2993         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2994         (BT_FN_VOID_PTR_INT_SIZE): New.
2995         (BT_FN_UINT_UINT_VAR): Remove.
2996         (BT_FN_UINT32_UINT32_VAR): New.
2997         (BT_FN_DOUBLE_VPTR): Remove.
2998         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2999
3000         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3001         (_ITM_changeTransactionMode): Same.
3002         (_ITM_memmoveRtWt): Change return type to void.
3003         (_ITM_memcpyRtWt): Same.
3004         (_ITM_memsetW): Same.
3005         (_ITM_RaRD): Change types to double.
3006         (_ITM_RD): Same.
3007         (_ITM_RaWD): Same.
3008         (_ITM_RfWD): Same.
3009
3010         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3011
3012 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3013             Patrick Marlier  <patrick.marlier@gmail.com>
3014
3015         * trans-mem.c (requires_barrier): Do not instrument thread local
3016         variables and emit save/restore for them.
3017
3018 2012-01-24  Jason Merrill  <jason@redhat.com>
3019
3020         PR c++/51812
3021         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3022         output static aliases.
3023
3024 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3025
3026         PR driver/47249
3027         * common.opt (-pie, -shared, pie, shared): Change from Common to
3028         Driver.
3029         * gcc.c (display_help): Display help for -pie and -shared.
3030
3031 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
3032
3033         PR target/49868
3034         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3035         Remove note on size/offset limitation.
3036         (AVR Variable Attributes): Add example how to read data located
3037         with progmem.  Refer to named address spaces.
3038         * doc/invoke.texi (AVR Options): Fix typo.
3039
3040 2012-01-24  Richard Guenther  <rguenther@suse.de>
3041
3042         Forward-port to trunk
3043         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
3044
3045         PR middle-end/45678
3046         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3047         op0 isn't sufficiently aligned and there is movmisalignM
3048         insn for mode, use it to load op0 into a temporary register.
3049
3050 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3051
3052         PR target/51957
3053         * target.def (const_not_ok_for_debug_p): New hook.
3054         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3055         documentation.
3056         * doc/tm.texi: Regenerated.
3057         * dwarf2out.c (const_ok_for_output_1): If
3058         targetm.const_not_ok_for_debug_p returns true, fail.
3059         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3060         function.
3061         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3062
3063 2012-01-23  Kai Tietz  <ktietz@redhat.com>
3064
3065         PR target/51900
3066         * config/i386/predicates.md (symbolic_operand): Allow
3067         UNSPEC_PCREL as PIC expression for lea.
3068         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3069         * config/i386/i386.c (ix86_delegitimize_address): Handle
3070         UNSPEC_PCREL for none-MEM, too.
3071
3072 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3073
3074         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3075         (ipa_tm_create_version_alias): Same.
3076
3077 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
3078
3079         PR libitm/51830
3080         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3081         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3082
3083 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3084             Patrick Marlier  <patrick.marlier@gmail.com>
3085             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
3086
3087         PR lto/51916
3088         * lto-wrapper.c (run_gcc): Pass the LTO section name to
3089         simple_object_start_read.
3090
3091 2012-01-23  Richard Guenther  <rguenther@suse.de>
3092
3093
3094         PR tree-optimization/51895
3095         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3096         parameter decomposition into BLKmode components.
3097
3098 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
3099
3100         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3101         fake variables for restrict-qualified pointers whose pointed-to type
3102         contains a placeholder.
3103
3104 2012-01-23  Richard Guenther  <rguenther@suse.de>
3105
3106         PR tree-optimization/51949
3107         * ipa-split.c (execute_split_functions): Do not split malloc functions.
3108
3109 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
3110
3111         PR rtl-optimization/51933
3112         * ree.c (transform_ifelse): Return true right away if dstreg is
3113         already wider or equal to cand->mode.
3114         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3115         (make_defs_and_copies_lists): Remove defs_list and copies_list
3116         arguments, add state argument, just truncate state->work_list
3117         instead of always allocating and freeing the vector.  Assert that
3118         get_defs succeeds instead of returning 2.  Changed return type to bool.
3119         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
3120         have ext_src_mode, see if it has been modified already with the
3121         right kind of extension and has been extended before from the
3122         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
3123         just return true.  Remember the original mode in state->modified array.
3124         (combine_reaching_defs): Add state argument.  Don't allocate and
3125         free here def_list, copied_list and vec vectors, instead just
3126         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
3127         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3128         Add state variable, clear vectors in it, initialize state.modified
3129         if needed.  Free all the vectors at the end and state.modified too.
3130         Don't skip a candidate if the extension expression has been modified.
3131
3132 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
3133
3134         PR target/47096
3135         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3136          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3137         (extra_options) interix.opt -> i386/interix.opt"
3138         (extra_objs):Add winnt-stubs.o
3139         * configure.ac: Add interix to target_os .comm on PE check.
3140         * configure: Regenerate.
3141         * config/interix3.h: Delete and move bits to..
3142         * config/interix.h: Delete and move bits to..
3143         * config/i386/i386-interix3.h: Delete and move bits to..
3144         * config/i386/i386-interix.h: ..here.
3145         (TARGET_CPU_DEFAULT): Remove redefinition.
3146         (TARGET_ASM_CONSTRUCTOR): Undefine.
3147         (SUBTARGET_SWITCHES): Define for ms-bitfields.
3148         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3149         (PTRDIFF_TYPE): Define.
3150         (LONG_DOUBLE_TYPE_SIZE): Define.
3151         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3152         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3153         (TARGET_SECTION_TYPE_FLAGS): Define.
3154         (ASM_DECLARE_FUNCTION_NAME): Define.
3155         (ASM_OUTPUT_EXTERNAL): Define.
3156         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3157         (ASM_OUTPUT_ALIGNED_BSS): Define.
3158         (PCC_BITFIELD_TYPE_MATTERS): Define.
3159         (USE_CONST_SECTION): Define.
3160         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3161         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3162         (SUPPORTS_ONE_ONLY): Remove.
3163         (I386_PE_STRIP_ENCODING): Define.
3164         * config/interix.opt: Delete and move bits to..
3165         * config/i386/interix.opt: ..here. New.
3166         (mpe-aligned-commons): Add.
3167         * config/i386/t-interix: Add copyright header.
3168         (winnt-stubs.o): Add rule.
3169
3170 2012-01-22  Jason Merrill  <jason@redhat.com>
3171
3172         PR c++/51832
3173         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3174         for extra name aliases.
3175
3176 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3177
3178         PR rtl-optimization/51924
3179         * ree.c (combine_set_extension): Improve debugging message.
3180         (combine_reaching_defs): Likewise.
3181         (get_defs): Rename confusingly named variable.
3182         (find_and_remove_re): Skip a candidate if the extension expression has
3183         been modified.
3184
3185 2012-01-21  Robert Millan  <rmh@gnu.org>
3186             Gerald Pfeifer  <gerald@pfeifer.com>
3187
3188         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3189         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3190
3191 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3192
3193         PR tree-optimization/51914
3194         * tree-vect-stmts.c (vectorizable_conversion): For
3195         cvt_type && modifier == WIDEN, put temporary with cvt_type
3196         at the beginning of vec_dsts and set vec_dest to temporary
3197         with vectype_out.
3198
3199 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
3200
3201         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3202
3203 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
3204
3205         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3206         * config/rs6000/rs6000.c: Likewise.
3207
3208 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3209
3210         PR target/51915
3211         * config/arm/arm.c (arm_count_output_move_double_insns): Call
3212         output_move_double on a copy of operands array.
3213
3214 2012-01-20  Cary Coutant  <ccoutant@google.com>
3215             Dodji Seketeli  <dodji@redhat.com>
3216
3217         PR debug/45682
3218         * dwarf2out.c (copy_declaration_context): Return ref to parent
3219         of declaration DIE, if necessary.
3220         (remove_child_or_replace_with_skeleton): Add new parameter; update
3221         caller.  Place skeleton DIE under parent DIE of original declaration.
3222         Move call to copy_declaration_context to here ...
3223         (break_out_comdat_types): ... from here.
3224
3225 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3226
3227         PR rtl-optimization/51856
3228         * reload.c (find_reloads_subreg_address): Set the address_reloaded
3229         flag to reloaded.
3230
3231 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3232
3233         PR target/51819
3234         * config/arm/arm.c (arm_print_operand): Correct output of alignment
3235         hints for neon loads and stores.
3236
3237 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
3238
3239         PR target/49868
3240         PR target/50887
3241         * doc/extend.texi (Named Address Spaces): Split into subsections.
3242         (AVR Named Address Spaces): New subsection.
3243         (M32C Named Address Spaces): New subsection.
3244         (RL78 Named Address Spaces): New subsection.
3245         (SPU Named Address Spaces): New subsection.
3246         (Variable Attributes): New anchor "AVR Variable Attributes".
3247         (AVR Variable Attributes): Rewrite and avoid wording
3248         "address space" in this context.
3249         * doc/invoke.texi (AVR Options): Rewrite and add documentation
3250         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3251         (AVR Built-in Macros): New subsubsection therein.
3252         * doc/md.texi (AVR constraints): Remove "C04", "R".
3253
3254 2012-01-20  Richard Guenther  <rguenther@suse.de>
3255
3256         PR tree-optimization/51903
3257         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3258         when removing stmts.
3259
3260 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3261
3262         PR target/50313
3263         * config/arm/arm.c (arm_load_pic_register): Use
3264         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3265         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3266         (arm_pic_static_addr): Likewise.
3267         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3268         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3269         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3270         (pic_load_addr_unified): New.
3271
3272 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
3273
3274         PR target/51106
3275         * function.c (instantiate_virtual_regs_in_insn): Use
3276         delete_insn_and_edges when removing a wrong asm insn.
3277
3278 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
3279
3280         PR rtl-optimization/40761
3281         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3282         Add new member loop_num.
3283         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3284         (ira_build): Remove the parameter.
3285
3286         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3287         (ira.c): Do not build CFG loops for one region allocation.  Remove
3288         argument from ira_build call.
3289
3290         * ira-build.c (init_loop_tree_node): New function.
3291         (create_loop_tree_nodes): Use it.  Separate the case when CFG
3292         loops are not built.
3293         (more_one_region_p): Check current_loops.
3294         (finish_loop_tree_nodes): Separate the case when CFG loops are not
3295         built.
3296         (add_loop_to_tree): Process loop equal to NULL too.
3297         (form_loop_tree): Separate the case when CFG loops are not built.
3298         Use explicitly number for the root.
3299         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3300         an assertion.
3301         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3302         instead of loop->num.
3303         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
3304         (mark_all_loops_for_removal): Ditto.
3305         (remove_unnecessary_regions): Separate the case when CFG loops
3306         are not built.
3307         (ira_build): Remove the parameter.  Use explicit number of regions
3308         when CFG loops are not built.
3309
3310         * ira-color.c (print_loop_title): Separate the case for the root node.
3311         Use loop_num instead of loop->num.
3312         (move_spill_restore): Use loop_num instead of loop->num.
3313
3314         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3315         (change_loop): Ditto.
3316         (change_loop): Use loop_num instead of loop->num.
3317
3318         * ira-lives.c (process_bb_node_lives): Ditto.
3319
3320         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3321
3322         * ira-conflicts.c (print_allocno_conflicts): Ditto.
3323
3324 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3325
3326         PR libmudflap/40778
3327         * tree-mudflap.c (mf_artificial): New function.
3328         (execute_mudflap_function_ops, execute_mudflap_function_decls,
3329         mx_register_decls, mudflap_enqueue_decl): Use it.
3330
3331         PR target/51876
3332         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3333         numbers in the insn pattern.
3334
3335 2012-01-19  Michael Matz  <matz@suse.de>
3336
3337         PR tree-optimization/46590
3338         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3339         use it in remembering which conflicts we already created.
3340         (add_scope_conflicts): Adjust call to above, (de)allocate helper
3341         bitmap.
3342
3343 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
3344
3345         PR lto/51280
3346         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3347         (merge_and_complain): Same.
3348
3349 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3350
3351         PR bootstrap/50237
3352         * config/initfini-array.h: Guard content of the header
3353         with #ifdef HAVE_INITFINI_ARRAY.
3354         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3355         Add initfini-array.h to tm_file here.
3356         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3357         * config.gcc: Don't add initfini-array.h to tm_file here.
3358         * configure: Regenerated.
3359
3360 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
3361
3362         PR rtl-optimization/51505
3363         * df-problems.c (df_kill_notes): New parameter live. Update comment.
3364         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3365         (df_note_bb_compute): Update the call to df_kill_notes.
3366
3367 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
3368
3369         * trans-mem.c (requires_barrier): Remove call to is_global_var.
3370
3371 2012-01-18  Richard Guenther  <rguenther@suse.de>
3372
3373         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3374         of conversions to void *.
3375
3376 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3377             Richard Sandiford  <rdsandiford@googlemail.com>
3378
3379         PR middle-end/50325
3380         PR middle-end/51192
3381         * optabs.h (simplify_expand_binop): Declare.
3382         * optabs.c (simplify_expand_binop): Make global.
3383         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3384         endian targets if the source cannot be exactly covered by word
3385         mode chunks.
3386
3387 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3388
3389         PR bootstrap/51872
3390         * hard-reg-set.h (struct hard_reg_set_container): New type.
3391         * target.h (struct hard_reg_set_container): Forward declare.
3392         * target.def (set_up_by_prologue): New target hook.
3393         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3394         * doc/tm.texi: Regenerated.
3395         * function.c (thread_prologue_and_epilogue_insns): Change
3396         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3397         Call targetm.set_up_by_prologue on it.
3398         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3399         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3400
3401 2012-01-17  Nick Clifton  <nickc@redhat.com>
3402
3403         * config/rx/rx.c (rx_can_use_simple_return): New function.
3404         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3405         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3406
3407 2012-01-17  Richard Guenther  <rguenther@suse.de>
3408
3409         PR middle-end/51782
3410         * expr.c (expand_assignment): Take address-space information
3411         from the address operand of MEM_REF and TARGET_MEM_REF.
3412         (expand_expr_real_1): Likewise.
3413
3414 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3415
3416         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3417         reload dump is requested.
3418
3419 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3420
3421         PR other/51165
3422         * trans-mem.c (requires_barrier): Call may_be_aliased.
3423
3424 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3425
3426         PR tree-optimization/51877
3427         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3428         call arguments and fndecls compare equal, instead return false if they
3429         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3430         both SSA_NAMEs that are valueized the same, or they satisfy
3431         operand_equal_p.
3432
3433 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3434
3435         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3436         Solaris 11+.
3437         * configure: Regenerate.
3438
3439 2012-01-16  Jan Hubicka  <jh@suse.cz>
3440
3441         PR c/12245
3442         PR c++/14179
3443         * convert.c (convert_to_integer): Use fold_convert for
3444         converting an INTEGER_CST to integer type.
3445
3446 2012-01-16  Jason Merrill  <jason@redhat.com>
3447
3448         PR c++/14179
3449         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3450
3451 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3452
3453         PR bootstrap/51860
3454         * config/s390/s390.c (s390_chunkify_start): Don't skip
3455         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3456         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3457         If insn is followed by NOTE_INSN_VAR_LOCATION or
3458         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3459         Don't use location of note insns.
3460
3461         PR tree-optimization/51865
3462         * tree-inline.c (tree_function_versioning): Call remap_decl
3463         on DECL_RESULT whenever it has VOID_TYPE_P type.
3464
3465 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3466
3467         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3468         for calls to locally-binding MIPS16 functions if only the return
3469         type uses float regs.
3470
3471 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3472             Richard Sandiford  <rdsandiford@googlemail.com>
3473
3474         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3475         (SYMBOL_32_HIGH): Likewise.
3476         (mips_output_tls_reloc_directive): Declare.
3477         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3478         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3479         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3480         (mips_lo_relocs, mips_hi_relocs): Make extern.
3481         (mips16_stub_function): Move up file.
3482         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3483         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3484         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3485         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3486         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3487         (mips_get_tp): Add MIPS16 support.
3488         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3489         Generalize DTPREL and TPREL handling.
3490         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3491         Add MIPS16 TLS support.
3492         (mips_output_tls_reloc_directive): New function.
3493         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3494         * config/mips/predicates.md (symbolic_operand_with_high)
3495         (tls_reloc_operand): New predicates.
3496         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3497         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3498         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3499         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3500         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3501         (*tls_get_tp_mips16_call_<mode>): Likewise.
3502
3503 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3504
3505         PR rtl-optimization/51821
3506         * recog.c (peep2_find_free_register): Determine clobbered registers
3507         from insn pattern.
3508
3509 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3510
3511         PR target/50925
3512         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3513         * config/avr/avr.c: Likewise.
3514         * config/avr/avr.h: Likewise.
3515
3516 2012-01-13  Ian Lance Taylor  <iant@google.com>
3517
3518         PR c++/50012
3519         * tree.h (TYPE_QUALS): Add cast to int.
3520         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3521
3522 2012-01-13  Ian Lance Taylor  <iant@google.com>
3523
3524         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3525         comparing param_index to VEC_length result.
3526
3527 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3528
3529         * c-decl.c: Do not include tree-mudflap.h
3530         * tree-optimize.c: Likewise.
3531         * Makefile.in: Update dependencies.
3532
3533 2012-01-13  Richard Guenther  <rguenther@suse.de>
3534
3535         PR middle-end/8081
3536         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3537         variable-sized result always use RSO.
3538
3539 2012-01-12  DJ Delorie  <dj@redhat.com>
3540
3541         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3542         pointer type, not just the default pointer type.
3543
3544 2012-01-09  Richard Henderson  <rth@redhat.com>
3545             Denis Chertykov  <chertykov@gmail.com>
3546
3547         PR target/50925
3548         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3549         * config/avr/avr.c (avr_can_eliminate): Simplify.
3550         (avr_initial_elimination_offset): Likewise.
3551         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3552         (expand_epilogue): Likewise.
3553         (avr_legitimize_address): Gut.
3554         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3555         (avr_hard_regno_nregs): New.
3556         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3557         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3558         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3559         add soft frame pointer.
3560         (CALL_USED_REGISTERS): Likewise.
3561         (REG_CLASS_CONTENTS): Likewise.
3562         (REGISTER_NAMES): Likewise.
3563         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3564         (HARD_FRAME_POINTER_REGNUM): New.
3565         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3566         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3567         remove the HARD_FRAME_POINTER self-elimination.
3568
3569 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3570
3571         PR target/51756
3572         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3573         DECL_EXTERNAL when checking for initializers of progmem variables.
3574
3575 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3576
3577         PR tree-optimization/51799
3578         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3579         that the last operation is a type demotion.
3580
3581 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3582
3583         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3584         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3585
3586 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3587
3588         PR bootstrap/51796
3589         * combine.c (distribute_notes): If i3 is a noreturn call,
3590         allow old_size to be equal to args_size and make sure the
3591         noreturn call gets REG_ARGS_SIZE note.
3592         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3593         on noreturn calls even when the delta is 0.
3594
3595 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3596
3597         * gcov.c (STRING_SIZE): Remove.
3598         (generate_results): Erase annotations for source files with no
3599         coverage information.
3600         (read_line): New.
3601         (output_lines): Use it.
3602
3603 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3604
3605         * gimple.h (gimplify_body): Remove first argument.
3606         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3607         pointer set here, instead just pass DATA to walk_tree.
3608         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3609         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3610         (unvisit_body): Likewise, but with unmark_visited.
3611         (gimplify_body): Remove BODY_P argument and adjust.
3612         (gimplify_function_tree): Adjust call to gimplify_body.
3613         * omp-low.c (finalize_task_copyfn): Likewise.
3614
3615 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3616
3617         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3618         (build_function_type_skip_args): Delete.
3619         * tree.c (build_function_type_skip_args): Make static and add
3620         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3621         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3622         pass it to build_function_type_skip_args.
3623         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3624         (tree_function_versioning): Likewise.
3625         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3626         build_function_decl_skip_args.
3627         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3628         and pass it to build_function_decl_skip_args/tree_function_versioning.
3629         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3630         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3631         * trans-mem.c (ipa_tm_create_version): Likewise.
3632         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3633         * tree-inline.c (declare_return_variable): Remove always-true test.
3634         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3635         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3636         * ipa-split.c (split_function): Skip the return value for the split
3637         part if it doesn't return.
3638
3639 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3640
3641         PR tree-optimization/49642
3642         * ipa-split.c (forbidden_dominators): New variable.
3643         (check_forbidden_calls): New function.
3644         (dominated_by_forbidden): Likewise.
3645         (consider_split): Check for forbidden dominators.
3646         (execute_split_functions): Initialize and free forbidden
3647         dominators info; call check_forbidden_calls.
3648
3649 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3650
3651         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3652
3653 2012-01-11  Nick Clifton  <nickc@redhat.com>
3654
3655         * config/rx/rx.md (return): Define pattern.
3656
3657 2012-01-11  Richard Guenther  <rguenther@suse.de>
3658
3659         * doc/extend.texi (malloc attribute): Adjust according to
3660         implementation.
3661
3662 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3663             Patrick Marlier  <patrick.marlier@gmail.com>
3664
3665         PR middle-end/51516
3666         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3667         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3668         (ipa_tm_note_irrevocable): Same.
3669         (ipa_tm_scan_irr_block): Same.
3670         (ipa_tm_decrement_clone_counts): Same.
3671         (ipa_tm_scan_irr_function): Same.
3672         (ipa_tm_create_version_alias): Same.
3673         (ipa_tm_create_version): Same.
3674         (ipa_tm_transform_calls_redirect): Same.
3675         (ipa_tm_transform_calls): Same.
3676         (ipa_tm_transform_transaction): Same.
3677         (ipa_tm_execute): Same.
3678
3679 2012-01-10  Richard Guenther  <rguenther@suse.de>
3680
3681         PR middle-end/51806
3682         * opts.c (common_handle_option): Handle -Werror.
3683
3684 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3685
3686         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3687         operand number.
3688
3689 2012-01-10  Jason Merrill  <jason@redhat.com>
3690
3691         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3692         information.
3693
3694 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3695
3696         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3697         supports R_386_TLS_GD_PLT reloc.
3698         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3699         supports R_386_TLS_LDM_PLT reloc.
3700         * configure: Regenerate.
3701         * config.in: Regenerate.
3702
3703 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3704
3705         PR target/49868
3706         Extend __pgmx semantics to linearize memory.
3707         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3708         determine if code comes inline or from libgcc.
3709         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3710         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3711         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3712         (movmemx_qi, movmemx_hi): New insns.
3713         (xload_<mode>_libgcc): Rewrite to new insn condition.
3714         (xload_<mode>): Remove insns.
3715         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3716         cases that don't satisfy avr_xload_libgcc_p().
3717         (avr_addr_space_convert): Allow converting in any direction.
3718         (avr_addr_space_subset_p): Return always true.
3719         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3720         (avr_emit_movmemhi): Ditto.
3721         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3722         (avr_out_movmem): Ditto.
3723         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3724         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3725         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3726         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3727         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3728
3729 2012-01-10  Richard Guenther  <rguenther@suse.de>
3730
3731         PR tree-optimization/50913
3732         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3733         Require data-refs to be representable by Graphite with respect
3734         to any loop nest.
3735
3736 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3737
3738         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3739         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3740
3741 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3742
3743         PR rtl-optimization/51271
3744         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3745         handling annulled branch.
3746
3747 2012-01-10  Richard Henderson  <rth@redhat.com>
3748
3749         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3750         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3751         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3752         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3753         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3754         arm_expand_vec_perm_const): New.
3755         * config/arm/arm-protos.h: Update.
3756         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3757         (*neon_vswp<VDQX>): New.
3758         (neon_vcombine<VDX>): Use neon_split_vcombine.
3759         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3760         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3761         (vec_perm<VE>): New.
3762
3763 2012-01-10  Richard Henderson  <rth@redhat.com>
3764
3765         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3766         use it if reload_completed.
3767         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3768         arm_output_asm_insn, arm_process_output_memory_barrier,
3769         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3770         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3771         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3772         arm_process_output_sync_insn, arm_output_sync_insn,
3773         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3774         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3775         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3776         (emit_unlikely_jump): New.
3777         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3778         (arm_split_atomic_op): New.
3779         * config/arm/arm-protos.h: Update.
3780         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3781         (struct arm_sync_generator): Remove.
3782         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3783         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3784         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3785         (VUNSPEC_LL, VUNSPEC_SC): New.
3786         (sync_result, sync_memory, sync_required_value, sync_new_value,
3787         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3788         (attr length): Don't use arm_sync_loop_insns.
3789         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3790         (movsfcc, movdfcc): Likewise.
3791         * config/arm/constraints.md (Ua): New.
3792         * config/arm/prediates.md (mem_noofs_operand): New.
3793         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3794         (sync_clobber, sync_t2_reqd): Remove.
3795         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3796         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3797         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3798         (arm_sync_compare_and_swap<SIDI>): Remove.
3799         (arm_sync_compare_and_swap<NARROW>): Remove.
3800         (arm_sync_lock_test_and_set<SIDI>): Remove.
3801         (arm_sync_lock_test_and_set<NARROW>): Remove.
3802         (arm_sync_new_<syncop><SIDI>): Remove.
3803         (arm_sync_new_<syncop><NARROW>): Remove.
3804         (arm_sync_new_nand<SIDI>): Remove.
3805         (arm_sync_new_nand<NARROW>): Remove.
3806         (arm_sync_old_<syncop><SIDI>): Remove.
3807         (arm_sync_old_<syncop><NARROW>): Remove.
3808         (arm_sync_old_nand<SIDI>): Remove.
3809         (arm_sync_old_nand<NARROW>): Remove.
3810         (*memory_barrier): Merge arm_output_memory_barrier.
3811         (atomic_compare_and_swap<QHSD>): New.
3812         (atomic_compare_and_swap<NARROW>_1): New.
3813         (atomic_compare_and_swap<SIDI>_1): New.
3814         (atomic_exchange<QHSD>): New.
3815         (cas_cmp_operand, cas_cmp_str): New.
3816         (atomic_op_operand, atomic_op_str): New.
3817         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3818         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3819         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3820         (arm_load_exclusive<NARROW>): New.
3821         (arm_load_exclusivesi, arm_load_exclusivedi): New.
3822         (arm_store_exclusive<QHSD>): New.
3823
3824 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3825
3826         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3827         reload patterns if -mvsx-scalar-memory.
3828
3829         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3830         generated, even -mno-vsx-scalar-double was used.
3831         (vsx_xscvdpsp_scalar): Likewise.
3832         (vsx_xscvspdp_scalar2): Likewise.
3833
3834 2012-01-09  Tom de Vries  <tom@codesourcery.com>
3835             Andrew Pinski  <apinski@cavium.com>
3836
3837         PR debug/51471
3838         * reorg.c (fill_slots_from_thread): Don't speculate
3839         frame-related insns.
3840
3841 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
3842
3843         * sched-int.h (bb_note): Move to...
3844         * basic-block.h: ...here.
3845         * haifa-sched.c (bb_note): Move to...
3846         * cfgrtl.c: ...here.
3847         * function.c (next_block_for_reg): New function.
3848         (move_insn_for_shrink_wrap): Likewise.
3849         (prepare_shrink_wrap): Rewrite to use the above.
3850
3851 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
3852
3853         * gimple.c (is_gimple_non_addressable): Remove.
3854         * gimple.h: Remove is_gimple_non_addressable.
3855         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3856         is_gimple_non_addressable.
3857         * trans-mem.c (expand_assign_tm): Same.
3858
3859 2012-01-09  Richard Guenther  <rguenther@suse.de>
3860
3861         PR tree-optimization/51775
3862         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3863         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3864
3865 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3866
3867         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3868         tuning parameters.
3869         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3870
3871 2012-01-09  Richard Guenther  <rguenther@suse.de>
3872
3873         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3874
3875 2012-01-08  Jan Hubicka  <jh@suse.cz>
3876
3877         PR tree-optimize/51680
3878         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3879         on when known_vals needs to be computed; cleanup.
3880
3881 2012-01-08  Jan Hubicka  <jh@suse.cz>
3882
3883         PR tree-optimize/51694
3884         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3885
3886 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
3887
3888         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3889         for -std=c++98 and -std=c++11 too.
3890
3891 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
3892
3893         * cfgloop.c (cancel_loop): Add free() of bbs array.
3894
3895 2012-01-07  Jan Hubicka  <jh@suse.cz>
3896
3897         PR tree-optimization/51600
3898         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3899         that benefits small functions.
3900
3901 2012-01-07  Jan Hubicka  <jh@suse.cz>
3902
3903         * ipa-inline.c (want_inline_small_function_p): Fix formating.
3904
3905 2012-01-07  Jan Hubicka  <jh@suse.cz>
3906
3907         PR tree-optimization/51680
3908         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3909         whose inlining reduce unit size.
3910
3911 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
3912
3913         PR bootstrap/51725
3914         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3915         Add canonical node to containing_mem chain after the non-canonical
3916         one, even if there weren't any locs to propagate.
3917         (remove_useless_values): Keep only canonical values.
3918         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3919         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
3920         canonicalize mem_chain elements that are not discarded.
3921
3922 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
3923
3924         PR target/47333
3925         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3926         before emitting functions.
3927
3928         PR gcov-profile/50127
3929         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3930         clear_aux_for_blocks.
3931
3932 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
3933
3934         PR debug/51746
3935         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3936
3937 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
3938
3939         * c-decl.c (ext_block): Moved up.
3940         (collect_all_refs, for_each_global_decl): Take ext_block into account.
3941
3942 2012-01-06  Han Shen  <shenhan@google.com>
3943
3944         Translate built-in include paths for sysroot.
3945         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3946         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3947
3948         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3949         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3950
3951         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3952         control whether sysroot should be prepended to gxx include dir.
3953
3954         * configure: Regenerate.
3955
3956 2012-01-06  Torvald Riegel  <triegel@redhat.com>
3957
3958         PR rtl-optimization/51771
3959         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3960         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3961
3962 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3963
3964         PR tree-optimization/51315
3965         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3966         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3967
3968 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
3969
3970         PR target/51681
3971         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3972         for shrp pattern.  Correctly handle and fixup shift variable.
3973         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3974
3975 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3976
3977         PR debug/51762
3978         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3979         note when !ACCUMULATE_OUTGOING_ARGS.
3980
3981 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3982
3983         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3984         condition.
3985         (extract_range_from_unary_expr_1): Avoid useless computations.
3986
3987 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3988
3989         PR rtl-optimization/51767
3990         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3991         of jump_block and add an extra edge for degenerated asm gotos.
3992
3993         PR middle-end/51768
3994         * stmt.c (check_unique_operand_names): Don't ICE during error
3995         reporting if i is from labels chain.
3996
3997         PR middle-end/44777
3998         * profile.c (branch_prob): Split bbs that have exit edge
3999         and need a fake entry edge too.
4000
4001 2012-01-05  Jan Hubicka  <jh@suse.cz>
4002
4003         PR middle-end/49710
4004         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4005         unlooping loops.
4006
4007 2012-01-05  Richard Guenther  <rguenther@suse.de>
4008
4009         PR lto/50490
4010         * tree-streamer-out.c (write_ts_optimization): New function.
4011         (streamer_write_tree_body): Call it.
4012         * tree-streamer-in.c (lto_input_ts_optimization): New function.
4013         (streamer_read_tree_body): Call it.
4014         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4015
4016 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4017
4018         PR middle-end/51761
4019         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4020         * gimplify.c (gimplify_cleanup_point_expr): Save and set
4021         in_cleanup_point_expr before gimplify_stmt call and restore it
4022         afterwards.
4023         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4024         in_cleanup_point_expr is false.
4025
4026 2012-01-05  Richard Guenther  <rguenther@suse.de>
4027
4028         PR middle-end/51764
4029         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4030         to c.opt.
4031         * toplev.c (process_options): Reject combining mudflap and LTO.
4032         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4033
4034 2012-01-05  Richard Guenther  <rguenther@suse.de>
4035
4036         PR tree-optimization/51760
4037         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4038         not VARYING.
4039         (bit_value_unop): Handle UNDEFINED operands.
4040         (bit_value_binop): Likewise.
4041
4042 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
4043
4044         * config/avr/avr.c (avr_replace_prefix): Remove.
4045         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4046         (avr_asm_function_rodata_section): Ditto.
4047         (avr_asm_select_section): Ditto.
4048
4049 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
4050
4051         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4052         insertion.
4053
4054 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4055
4056         PR bootstrap/51648
4057         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4058         calls that have any non-fake successor edges.
4059
4060         PR debug/51746
4061         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4062
4063 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4064
4065         PR tree-optimization/51624
4066         * tree-sra.c (build_ref_for_model): When replicating a chain of
4067         COMPONENT_REFs, stop as soon as the offset would become negative.
4068
4069 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
4070
4071         PR debug/51695
4072         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4073         in .debug_loc on the floor.
4074
4075 2012-01-04  Andrew Pinski  <apinski@cavium.com>
4076
4077         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4078
4079 2012-01-04  Andrew Pinski  <apinski@cavium.com>
4080             Adam Nemet  <anemet@caviumnetworks.com>
4081
4082         * config/mips/mips.md (size): Add SI and DI.
4083         (SIZE): New mode attribute.
4084         (U): New code attribute.
4085         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4086         (mips_lbux_<mode>): Delete.
4087         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4088         (mips_lhx): Use gen_mips_lhx_extsi.
4089         (mips_lhx_<mode>): Delete.
4090         (mips_lwx): Delete.
4091         (mips_l<size>x): New expand.
4092         (mips_lwx_<mode>): Delete.
4093         (mips_l<GPR:size>x_<P:mode>): New pattern.
4094         (*mips_lw<u>x_<P:mode>_ext): Likewise.
4095         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4096         * config/mips/mips.c (mips_lx_address_p): New function.
4097         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4098         (dsp64): New availability predicate.
4099         (mips_builtins): Add an entry for __builtin_mips_ldx.
4100         * config/mips/mips.h (ISA_HAS_LBX): New define.
4101         (ISA_HAS_LBUX): Likewise.
4102         (ISA_HAS_LHX): Likewise.
4103         (ISA_HAS_LHUX): Likewise.
4104         (ISA_HAS_LWX): Likewise.
4105         (ISA_HAS_LWUX): Likewise.
4106         (ISA_HAS_LDX): Likewise.
4107         * doc/extend.texi (__builtin_mips_ldx): Document.
4108
4109 2012-01-04  Tristan Gingold  <gingold@adacore.com>
4110
4111         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4112         when long pointers are used.
4113         * config.build (*-*-*vms*): Handle all OpenVMS targets.
4114         (alpha64-dec-*vms*, alpha*-dec-*vms*)
4115         (ia64-hp-*vms*): Remove.
4116         * config/vms/xm-vms64.h: Delete.
4117
4118 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4119
4120         PR middle-end/51472
4121         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4122
4123 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4124
4125         * opts.c (finish_options): Remove duplicate sorry.
4126
4127 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4128
4129         PR middle-end/51696
4130         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4131         correctly.
4132
4133 2012-01-04  Richard Guenther  <rguenther@suse.de>
4134
4135         PR middle-end/51750
4136         * tree.c (size_low_cst): New function.
4137         * tree.h (size_low_cst): Declare.
4138         * fold-const.c (fold_comparison): Use it to extract the low
4139         part of the POINTER_PLUS_EXPR offset.
4140
4141 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
4142
4143         Fix clearing ZERO_REG
4144         * config/avr/avr.md (cc): Add alternative "ldi".
4145         (movqi_insn): Use it in cc attribute.
4146         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4147         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4148         (output_reload_insisf): Use ZERO_REG to pre-clear register.
4149
4150 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4151
4152         * configure: Regenerate.
4153
4154 2012-01-04  Richard Guenther  <rguenther@suse.de>
4155
4156         PR tree-optimization/49651
4157         * tree-ssa-structalias.c (type_can_have_subvars): New function.
4158         (var_can_have_subvars): Use it.
4159         (get_constraint_for_1): Only consider subfields if there can be any.
4160
4161 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
4162
4163         PR bootstrap/51725
4164         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4165         to its new canonical_cselib_val and the cselib_val was in
4166         first_containing_mem chain, but the canonical_cselib_val was not,
4167         add the latter into the chain.
4168         (cselib_invalidate_mem): Compare canonical_cselib_val of
4169         addr_list chain elt with v.
4170
4171         PR pch/51722
4172         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4173         dwarf2out_undef): Allocate e.info using ggc_strdup instead
4174         of xstrdup.
4175         (output_macinfo_op): Don't ggc_strdup fd->filename.
4176         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4177         then ggc_strdup it.  Don't free inc->info or cur->info.
4178         (output_macinfo): Don't free ref->info or file->info.
4179
4180 2012-01-03  Ira Rosen  <irar@il.ibm.com>
4181
4182         PR tree-optimization/51269
4183         * tree-vect-loop-manip.c (set_prologue_iterations): Make
4184         first_niters a pointer.
4185         (slpeel_tree_peel_loop_to_edge): Likewise.
4186         (vect_do_peeling_for_loop_bound): Update call to
4187         slpeel_tree_peel_loop_to_edge.
4188         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4189         here.  Remove it from the parameters list.
4190         (vect_do_peeling_for_alignment): Update calls and compute
4191         wide_prolog_niters.
4192
4193 2012-01-03  Richard Guenther  <rguenther@suse.de>
4194
4195         PR tree-optimization/51070
4196         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4197         Properly handle calls.
4198
4199 2012-01-03  Richard Guenther  <rguenther@suse.de>
4200
4201         PR tree-optimization/51692
4202         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4203         the LHS of allocation stmts.
4204
4205 2012-01-03  Olivier Hainque  <hainque@adacore.com>
4206
4207         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4208
4209 2012-01-03  Olivier Hainque  <hainque@adacore.com>
4210
4211         * collect2.c (main): In AIX specific computations for vector
4212         insertions, use CONST_CAST2 to cast from char ** to const char **.
4213
4214 2012-01-03  Richard Guenther  <rguenther@suse.de>
4215
4216         PR debug/51650
4217         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4218         the context of a limbo DIE when it does not already exist.
4219
4220 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
4221
4222         PR tree-optimization/51719
4223         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4224         but direct call is, clear direct call's lhs and don't add fallthrough
4225         edge from dcall_bb to join_bb and PHIs.
4226
4227 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4228
4229         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4230         the instructions emitted by the pattern.
4231         ("*TDC_insn_<mode>"): Add comment.
4232
4233 2012-01-03  Richard Guenther  <rguenther@suse.de>
4234
4235         PR middle-end/51730
4236         * fold-const.c (fold_comparison): Properly canonicalize
4237         tree offset and HOST_WIDE_INT bit position.
4238
4239 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
4240
4241         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4242         operands for extzv pattern.
4243
4244 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4245
4246         PR bootstrap/51725
4247         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4248         on mem_elt first.
4249
4250 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
4251
4252         * doc/invoke.texi (-flto and related options): Copy-edit.
4253
4254 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
4255
4256         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4257
4258 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4259
4260         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4261         New patterns.
4262
4263 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
4264
4265         * expr.h (move_by_pieces_ninsns): Declare.
4266         * expr.c (move_by_pieces_ninsns): Make external.
4267         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4268         (mips_store_by_pieces_p): Likewise.
4269         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4270         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4271         * config/mips/mips.c (mips_move_by_pieces_p): New function.
4272         (mips_store_by_pieces_p): Likewise.
4273
4274 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4275
4276         * passes.c (register_one_dump_file): Free full_name.
4277
4278         * reload1.c (reload): Don't allocate reg_max_ref_width here.
4279         (calculate_elim_costs_all_insns): Free offsets_at and
4280         offsets_known_at at the end and clear the pointers.
4281
4282 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4283
4284         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4285         this option introduced in r180739.
4286
4287 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4288
4289         PR target/51345
4290         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4291         (tmake_file target=avr): Add avr/t-multilib.
4292
4293         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4294         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4295         * config/avr/genmultilib.awk: New file.
4296         * config/avr/t-multilib: New auto-generated file.
4297         * config/avr/multilib.h: New auto-generated file.
4298         * config/avr/t-avr (AVR_MCUS): New variable.
4299         (genopt.sh): Use it.
4300         (s-mlib): Depend on t-multilib.
4301         (t-multilib, multilib.h): New dependencies.
4302         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4303         (MULTILIB_OPTIONS): Remove.
4304         (MULTILIB_MATCHES): Remove.
4305         (MULTILIB_DIRNAMES): Remove.
4306         (MULTILIB_EXCEPTIONS): Remove:
4307         * config/avr/genopt.sh: Don't use hard coded file name;
4308         pass AVR_MCUS from t-avr instead.
4309
4310 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4311
4312         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4313
4314 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4315
4316         Implement light-weight DImode support.
4317         * config/avr/avr-dimode.md: New file.
4318         * config/avr/avr.md: Include it.
4319         (adjust_len): Add plus64, compare64.
4320         (HIDI): Remove code iterator.
4321         (code_stdname): New code attribute.
4322         (rotx, rotsmode): Remove DI.
4323         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4324         as code iterator.
4325         * config/avr/avr-protos.h (avr_have_dimode): New.
4326         (avr_out_plus64, avr_out_compare64): New.
4327         * config/avr/avr.c (avr_out_compare): Handle DImode.
4328         (avr_have_dimode): New variable definition and initialization.
4329         (avr_out_compare64, avr_out_plus64): New functions.
4330         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4331         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4332         (avr_compare_pattern): Skip DImode comparisons.
4333
4334 2012-01-02  Revital Eres  <revital.eres@linaro.org>
4335
4336         * ddg.c (def_has_ccmode_p): New function.
4337         (add_cross_iteration_register_deps,
4338         create_ddg_dep_from_intra_loop_link): Call it.
4339
4340 2012-01-02  Richard Guenther  <rguenther@suse.de>
4341
4342         PR other/51679
4343         * invoke.texi (fassociative-math): Remove spurious paranthesis.
4344
4345 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
4346
4347         * gcc.c (process_command): Update copyright notice dates.
4348         * gcov.c (print_version): Likewise.
4349         * gcov-dump.c (print_version): Likewise.
4350         * mips-tfile.c (main): Likewise.
4351         * mips-tdump.c (main): Likewise.
4352
4353 2012-01-01  Ira Rosen  <irar@il.ibm.com>
4354
4355         PR tree-optimization/51704
4356         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4357         a use is inside the basic block or loop before accessing its vect info.
4358
4359 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
4360
4361         PR rtl-optimization/51069
4362         * cfgloopmanip.c (remove_path): Removing path making irreducible
4363         region unconditional makes BB part of the region.
4364
4365 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
4366
4367         PR tree-optimization/51683
4368         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4369         calls with side-effects.
4370         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4371 \f
4372 Copyright (C) 2012 Free Software Foundation, Inc.
4373
4374 Copying and distribution of this file, with or without modification,
4375 are permitted in any medium without royalty provided the copyright
4376 notice and this notice are preserved.