configure.ac: Don't define ENABLE_CHECKING whenever --enable-checking is seen...

* configure.ac: Don't define ENABLE_CHECKING whenever
--enable-checking is seen, instead use similar --enable-checking=yes
vs. --enable-checking=release default as gcc/ subdir has and
define ENABLE_CHECKING if ENABLE_CHECKING is defined in gcc/.
Define ENABLE_VALGRIND_CHECKING if requested.
* lex.c (new_buff): If ENABLE_VALGRIND_CHECKING, put _cpp_buff
struct first in the allocated buffer and result->base after it.
(_cpp_free_buff): If ENABLE_VALGRIND_CHECKING, free buff itself
instead of buff->base.
* config.in: Regenerated.
* configure: Regenerated.

From-SVN: r196333

re PR target/56445 (avr.c:11551:16: error: invoking macro FX_FTYPE_FX ar gument 1: empty macro arguments are undefined)

PR target/56445
* config/avr/avr.c (avr_init_builtins): Use 'n' instead of empty
macro parameters with: FX_FTYPE_FX, FX_FTYPE_FX_INT, INT_FTYPE_FX,
INTX_FTYPE_FX, FX_FTYPE_INTX.
* config/avr/builtins.def: Adjust respective DEF_BUILTIN.

From-SVN: r196332

* avr/avr-mcus.def (ata5272, ata5505, attiny1634, ata6285)
(ata6286, atmega8a, atmega48pa, ata5790, ata5790n, ata5795)
(atmega164pa, atmega165pa, atmega168pa, atmega16hva, atmega16hvb)
(atmega16hvbrevb, atmega16m1, atmega16u4, atmega26hvg, atmega32a)
(atmega32a, atmega3250pa, atmega3290pa, atmega32c1, atmega32m1)
(atmega32u4, atmega32u6, atmega64a, atmega6490a, atmega6490p)
(atmega64c1, atmega64m1, atmega64rfa2, atmega64rfr2, atmega32hvb)
(atmega32hvbrevb, atmega16hva2, atmega48hvf, at90pwm161)
(atmega128a, atmega1284, atmxt112sl, atmxt224, atmxt224e)
(atmxt336s, atxmega16a4u, atxmega16c4, atxmega32a4u, atxmega32c4)
(atxmega32e5, atxmega64a3u, atxmega64a4u, atxmega64b1, atxmega64b3)
(atxmega64c3, atxmega64d4, atxmega128a3u, atxmega128b1)
(atxmega128b3, atxmega128c3, atxmega128d4, atmxt540s, atmxt540sreva)
(atxmega192a3u, atxmega192c3, atxmega256a3u, atxmega256c3)
(atxmega384c3, atxmega384d3, atxmega128a4u): New AVR_MCU.
(avrxmega6): Increase max flash segments from 5 to 6.
* config/avr/t-multilib: Regenerate.
* config/avr/avr-tables.opt: Regenerate.
* doc/avr-mmcu.texi: Regenerate.

From-SVN: r196331

avr.h (device_to_arch): Rename to device_to_ld.

* config/avr/avr.h (device_to_arch): Rename to device_to_ld.
(avr_device_to_arch): Rename to avr_device_to_ld.
(avr_device_to_as): New prototype.
(EXTRA_SPEC_FUNCTIONS): Add device_to_as.
(ASM_SPEC): Use device_to_as to get -mmcu= and -mno-skip-bug=.
* config/avr/driver-avr.c (avr_device_to_as): New.
(avr_device_to_arch): Rename to avr_device_to_ld.

From-SVN: r196330

slsr-1.c: Allow widening multiplications.

2013-02-28  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

* gcc.dg/tree-ssa/slsr-1.c: Allow widening multiplications.
* gcc.dg/tree-ssa/slsr-2.c: Likewise.
* gcc.dg/tree-ssa/slsr-3.c: Likewise.

From-SVN: r196329

Daily bump.

From-SVN: r196328

re PR middle-end/56461 (GCC is leaking lots of memory)

PR middle-end/56461
* tree-vect-data-refs.c (vect_permute_load_chain): Avoid using copy
method on dr_chain and result_chain.

From-SVN: r196325

re PR middle-end/56461 (GCC is leaking lots of memory)

PR middle-end/56461
* tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Call
pointer_set_destroy on not_executed_last_iteration.

From-SVN: r196324

re PR middle-end/56461 (GCC is leaking lots of memory)

PR middle-end/56461
* tree-vect-loop.c (vectorizable_reduction): Release vect_defs
vector.

From-SVN: r196323

re PR middle-end/56461 (GCC is leaking lots of memory)

PR middle-end/56461
* ipa-pure-const.c (propagate): Use FOR_EACH_FUNCTION instead of
FOR_EACH_DEFINED_FUNCTION when freeing state.

From-SVN: r196322

re PR middle-end/56461 (GCC is leaking lots of memory)

PR middle-end/56461
* df-scan.c (df_insn_delete): Use df_scan_free_mws_vec before
pool_free.
(df_insn_rescan_debug_internal): Use df_scan_free_mws_vec before
overwriting it.

From-SVN: r196321

re PR middle-end/56461 (GCC is leaking lots of memory)

PR middle-end/56461
* ipa-cp.c (decide_whether_version_node): Call vec_free on
known_aggs[i].items and release known_aggs vector.

From-SVN: r196320

re PR middle-end/56461 (GCC is leaking lots of memory)

PR middle-end/56461
* ipa-reference.c (propagate): Free node_info even for alias nodes.

From-SVN: r196319

re PR c++/56358 ([C++11] Erroneous interaction of typedef and inherited constructor declarations)

PR c++/56358
PR c++/56323
* name-lookup.c (do_class_using_decl): Use ctor_identifier instead
of the base name for inheriting ctors.
(push_class_level_binding_1): Remove inheriting ctor handling.
* pt.c (tsubst_decl) [USING_DECL]: Likewise.
* class.c (add_implicitly_declared_members): Adjust.

From-SVN: r196316

Avoid pcmpe insns when not valuable.

 *  gcc/config/microblaze/microblaze.c (microblaze_emit_compare):
     Use xor for EQ/NE comparisions
 *  gcc/config/microblaze/microblaze.md (cstoresf4): Add constraints
     (cbranchsf4): Adjust operator to comparison_operator

From-SVN: r196315

re PR middle-end/56461 (GCC is leaking lots of memory)

PR middle-end/56461
* tree-flow.h (edge_var_map_vector): Change into va_heap, vl_embed
vector.
* tree-ssa.c (redirect_edge_var_map_add): Use vec_safe_reserve and
vec_safe_push, always update *slot.
(redirect_edge_var_map_clear): Use vec_free.
(redirect_edge_var_map_dup): Use vec_safe_copy and vec_safe_reserve.
(free_var_map_entry): Use vec_free.
* tree-cfgcleanup.c (remove_forwarder_block_with_phi): Use
FOR_EACH_VEC_SAFE_ELT instead of FOR_EACH_VEC_ELT.

From-SVN: r196313

Make make_sunver.pl robust against non-C locales

* make_sunver.pl: Enforce C locale.

From-SVN: r196309

re PR middle-end/45472 ([Middle-end volatile semantics] ICE: in move_op_ascend, at sel-sched.c:6124 with -fselective-scheduling2)

        PR middle-end/45472

gcc/
        * sel-sched-ir.c (merge_expr): Also change vinsn of merged expr
        when the may_trap_p bit of the exprs being merged differs.

        Reorder tests for speculativeness in the logical and operator.

testsuite/
* gcc.dg/45472.c: New test.

From-SVN: r196308

incpath.c (add_standard_paths): Use reconcat instead of concat where appropriate and avoid leaking memory.

* incpath.c (add_standard_paths): Use reconcat instead of concat
where appropriate and avoid leaking memory.

From-SVN: r196306

opts.h: Include obstack.h.

* opts.h: Include obstack.h.
(opts_concat): New prototype.
(opts_obstack): New declaration.
* opts.c (opts_concat): New function.
(opts_obstack): New variable.
(init_options_struct): Call gcc_init_obstack on opts_obstack.
(finish_options): Use opts_concat instead of concat
and XOBNEWVEC instead of XNEWVEC.
* opts-common.c (generate_canonical_option, decode_cmdline_option,
generate_option): Likewise.
* Makefile.in (OPTS_H): Depend on $(OBSTACK_H).
* lto-wrapper.c (main): Call gcc_init_obstack on opts_obstack.

From-SVN: r196305

re PR target/56455 (ICE in final_scan_insn)

PR target/56455
* stmt.c (expand_switch_as_decision_tree_p): If flag_pic
and ASM_OUTPUT_ADDR_DIFF_ELT isn't defined, return true.

From-SVN: r196304

Daily bump.

From-SVN: r196300

re PR libstdc++/56012 ([C++11] Narrowing conversion in atomic_flag)

PR libstdc++/56012
* include/bits/atomic_base.h (atomic_flag): Fix narrowing conversion.
* testsuite/29_atomics/atomic/operators/56012.cc: New.

PR libstdc++/56011
* include/std/atomic (atomic<bool>::operator=(bool) volatile): Add
missing overload.
* testsuite/29_atomics/atomic/operators/56011.cc: New.

From-SVN: r196296

re PR middle-end/56461 (GCC is leaking lots of memory)

PR middle-end/56461
* lra-spills.c (lra_spill): Free spill_hard_reg at the end.

From-SVN: r196294

arm.c (const_ok_for_dimode_op): Back out last change.

        * config/arm/arm.c (const_ok_for_dimode_op): Back out last change.
        (arm_block_move_unaligned_straight): Likewise.
        (arm_adjust_block_mem): Likewise.

From-SVN: r196293

re PR target/54662 (Wrong warning flags for building mep-pragma.o, fails to build)

        PR target/54662
        * config/mep/t-mep (mep-pragma.o): Use ALL_COMPILERFLAGS instead of
        ALL_CFLAGS.

From-SVN: r196291

re PR target/54640 (arm_adjust_block_mem: signed/unsigned comparison [-Werror=sign-compare])

        PR target/54640
        * config/arm/arm.c (const_ok_for_dimode_op): Make code consistent
        for HOST_WIDE_INT of 32 bit / same size as int.
        (arm_block_move_unaligned_straight): Likewise.
        (arm_adjust_block_mem): Likewise.

From-SVN: r196290

re PR target/54639 (mn10300_expand_epilogue: signed / unsigned comparison)

        PR target/54639
        * config/mn10300/mn10300.c (mn10300_expand_epilogue): Avoid offset
        type promotion to unsigned.

From-SVN: r196289

re PR target/52550 (tile*.c: unused variable ‘cfa_offset’)

        PR target/52550
        * config/tilegx/tilegx.c (tilegx_expand_prologue):
        Remove unused variable cfa_offset.
        * config/tilepro/tilepro.c (tilepro_expand_prologue): Likewise.

From-SVN: r196288

re PR target/52501 (cr16-protos.h uses enum rtx_code outside #ifdef RTX_CODE guard)

        PR target/52501
        * config/cr16/cr16-protos.h: Move end of RTX_CODE guard below end
        of prologue/epilogue functions.

From-SVN: r196287

re PR target/52500 (dwarf2cfi.c fails to build with -Werror for c6x)

        PR target/52500
        * config/c6x/c6x.c (dbx_register_map): Change to unsigned.
        * config/c6x/c6x.h (dbx_register_map): Update declaration.

From-SVN: r196286

re PR target/48901 (lm32.md: ashlsi3: error: unused variable ‘one’)

        PR target/48901
        * config/lm32/lm32.c (gen_int_relational): Remove unused variables
        temp, cond and label.
        * config/lm32/lm32.md (ashlsi3): Remove unused variable one.

From-SVN: r196285

re PR c++/55632 (trunk/gcc/cp/decl.c:10614: strange line of code)

2013-02-26  David Binderman  <dcb314@hotmail.com>

PR c++/55632
* decl.c (grokdeclarator): Tidy publicp assignment.

From-SVN: r196284

re PR c++/56419 (transactions in for-loops disappear)

PR c++/56419
* semantics.c (begin_transaction_stmt): Set TREE_SIDE_EFFECTS.
(build_transaction_expr): Same.

From-SVN: r196282

re PR tree-optimization/56426 (Segmentation fault in find_var_scev_info, at tree-scalar-evolution.c:358)

2013-02-26  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/56426
        * tree-ssa-loop.c (tree_ssa_loop_init): Always call
        scev_initialize.

From-SVN: r196281

re PR target/56444 (mn10300.c:3228:16: error: unused variable ‘loops’)

2013-02-26  Richard Biener  <rguenther@suse.de>

PR target/56444
* config/mn10300/mn10300.c (mn10300_scan_for_setlb_lcc): Remove
unused variable loops.

From-SVN: r196280

re PR tree-optimization/56448 (cc1 hangs on volatile array with -O or above)

PR tree-optimization/56448
* fold-const.c (operand_equal_p) <case tcc_reference>: Don't look at
TREE_SIDE_EFFECTS if flags contain OEP_CONSTANT_ADDRESS_OF.
Clear OEP_CONSTANT_ADDRESS_OF from flags before recursing on second or
later operands of the references, or even first operand for
INDIRECT_REF, TARGET_MEM_REF or MEM_REF.

* gcc.c-torture/compile/pr56448.c: New test.

From-SVN: r196278

re PR middle-end/56443 (internal compiler error: verify_gimple failed at -O[1-2] -ftree-vectorize)

PR tree-optimization/56443
* tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): For
overaligned types, pass TYPE_UNSIGNED (scalar_type) as second argument
to type_for_mode langhook.

* gcc.dg/torture/pr56443.c: New test.

From-SVN: r196277

configure.ac: Check for __cxa_thread_atexit_impl.

* configure.ac: Check for __cxa_thread_atexit_impl.
* libsupc++/atexit_thread.cc (__cxa_thread_atexit): Just forward
to it if available.
* config.h.in, configure: Regenerate.

From-SVN: r196276

re PR c++/56377 (<missing> template args in substitution-failure diagnostics)

PR c++/56377
* pt.c (fn_type_unification): Wait to call push_tinst_level until
we know what args we're looking at.

From-SVN: r196275

re PR c++/56438 (ICE in value_dependent_expression_p, at cp/pt.c:19551)

PR c++/56438
* semantics.c (potential_constant_expression_1): In C++98, a cast
to non-integral type can't be a constant expression.

From-SVN: r196274

Daily bump.

From-SVN: r196273

invoke.texi: Document r4700.

gcc/
2013-02-25  Matt Turner  <mattst88@gmail.com>

* doc/invoke.texi: Document r4700.

From-SVN: r196270

* gcc-interface/ada-tree.h: Back out change accidentally committed.

From-SVN: r196268

Add -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/asan/

* bootstrap-asan.mk (POSTSTAGE1_LDFLAGS): Add
-B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/asan/.

From-SVN: r196264

re PR tree-optimization/56175 (Issue with combine phase on x86.)

2013-02-25  Richard Biener  <rguenther@suse.de>

PR tree-optimization/56175
* tree-ssa-forwprop.c (hoist_conversion_for_bitop_p): New predicate,
split out from ...
(simplify_bitwise_binary): ... here.  Also guard the conversion
of (type) X op CST to (type) (X op ((type-x) CST)) with it.

* gcc.dg/tree-ssa/forwprop-24.c: New testcase.

From-SVN: r196263

re PR c++/56403 (internal compiler error: in build_zero_init_1, at cp/init.c:279)

PR c++/56403
* init.c (build_zero_init_1): Use RECORD_OR_UNION_CODE_P instead
of CLASS_TYPE_P.

* g++.dg/torture/pr56403.C: New test.

From-SVN: r196260

2012-02-25 Catherine Moore  <clm@codesourcery.com>

Revert microMIPS patch.

From-SVN: r196259

re PR rtl-optimization/56131 (gcc.dg/pr56035.c ICEs gcc on sparc-linux)

2013-02-25  Tom de Vries  <tom@codesourcery.com>

PR rtl-optimization/56131
* insn-notes.def (INSN_NOTE_BASIC_BLOCK): Update comment.
* cfgrtl.c (delete_insn): Don't reorder NOTE_INSN_DELETED_LABEL and
NOTE_INSN_BASIC_BLOCK if BLOCK_FOR_INSN == NULL.

From-SVN: r196255

invoke.texi (-fsanitize=): Move from optimization to debugging options.

2013-02-25  Tobias Burnus  <burnus@net-b.de>

        * doc/invoke.texi (-fsanitize=): Move from optimization
        to debugging options.

From-SVN: r196254

* sched-deps.c (sched_analyze_insn): Fix typo in comment.

From-SVN: r196253

re PR middle-end/56077 (volatile ignored when function inlined)

2013-02-25  Andrey Belevantsev  <abel@ispras.ru>
            Alexander Monakov  <amonakov@ispras.ru>

        PR middle-end/56077
        * sched-deps.c (sched_analyze_insn): When reg_pending_barrier,
        flush pending lists also on non-jumps.  Adjust comment.

Co-Authored-By: Alexander Monakov <amonakov@ispras.ru>
From-SVN: r196252

Daily bump.

From-SVN: r196249

mips16.S: Don't build for microMIPS.

libgcc/
2013-02-24  Catherine Moore  <clm@codesourcery.com>
    Joseph Myers  <joseph@codesourcery.com>
    Chao-ying Fu  <fu@mips.com>

* config/mips/mips16.S:  Don't build for microMIPS.
* config/mips/linux-unwind.h: Handle microMIPS frame.
* config/mips/crtn.S (fini, init): New labels.

gcc/
2013-02-24  Catherine Moore  <clm@codesourcery.com>
    Maciej W. Rozycki  <macro@codesourcery.com>
    Tom de Vries  <tom@codesourcery.com>
    Nathan Sidwell <nathan@codesourcery.com>
    Iain Sandoe  <iain@codesourcery.com>
    Nathan Froyd  <froydnj@codesourcery.com>
    Chao-ying Fu <fu@mips.com>

* doc/extend.texi: (micromips, nomicromips, nocompression):
Document new function attributes.
* doc/invoke.texi (minterlink-compressed, mmicromips,
m14k, m14ke, m14kec): Document new options.
(minterlink-mips16): Update documentation.
* doc/md.texi (ZC, ZD): Document new constraints.
* configure.ac (gcc_cv_as_micromips): Check if linker
supports the .set micromips directive.
* configure: Regenerate.
* config.in: Regenerate.
* config/mips/mips-tables.opt: Regenerate.
* config/mips/micromips.md: New file.
* constraints.md (ZC, AD): New constraints.
* config/mips/predicates.md (movep_src_register): New predicate.
(movep_src_operand): New predicate.
(non_volatile_mem_operand): New predicate.
* config/mips/mips.md (multimem): New type.
(length): Differentiate between 17-bit and 18-bit branch offsets.
(MOVEP1, MOVEP2): New mode iterator.
  (mov_<load>l): Use ZC constraint.
(mov_<load>r): Likewise.
(mov_<store>l): Likewise.
(mov_<store>r): Likewise.
(*branch_equality<mode>_inverted): Add microMIPS support.
(*branch_equality<mode>): Likewise.
(*jump_absolute): Likewise.
(indirect_jump_<mode>): Likewise.
(tablejump_<mode>): Likewise.
(<optab>_internal): Likewise.
(sibcall_internal): Likewise.
(sibcall_value_internal): Likewise.
(prefetch): Use constraint ZD.
* config/mips/mips.opt (minterlink-compressed): New option.
(minterlink-mips16): Now an alias for minterlink-compressed.
(mmicromips): New option.
* config/mips/sync.md (sync_compare_and_swap<mode>): Use ZR constraint.
(compare_and_swap_12): Likewise.
(sync_add<mode>): Likewise.
(sync_<optab>_12): Likewise.
(sync_old_<optab>_12): Likewise.
(sync_new_<optab>_12): Likewise.
(sync_nand_12): Likewise.
(sync_old_nand_12): Likewise.
(sync_new_nand_12): Likewise.
(sync_sub<mode>): Likewise.
(sync_old_add<mode>): Likewise.
(sync_old_sub<mode>): Likewise.
(sync_new_add<mode>): Likewise.
(sync_new_sub<mode>): Likewise.
(sync_<optab><mode>): Likewise.
(sync_old_<optab><mode>): Likewise.
(sync_new_<optab><mode>): Likewise.
(sync_nand<mode>): Likewise.
(sync_old_nand<mode>): Likewise.
(sync_new_nand<mode>): Likewise.
(sync_lock_test_and_set<mode>): Likewise.
(test_and_set_12): Likewise.
(atomic_compare_and_swap<mode>): Likewise.
(atomic_exchange<mode>_llsc): Likewise.
(atomic_fetch_add<mode>_llsc): Likewise.
* config/mips/mips-cpus.def (m14kc, m14k): New processors.
* config/mips/mips-protos.h (umips_output_save_restore): New prototype.
(umips_save_restore_pattern_p): Likewise.
(umips_load_store_pair_p): Likewise.
(umips_output_load_store_pair): Likewise.
(umips_movep_target_p): Likewise.
(umips_12bit_offset_address_p): Likewise.
* config/mips/mips.c (MIPS_MAX_FIRST_STEP): Update for microMIPS.
(mips_base_mips16): Rename this...
(mips_base_compression_flags): ...to this. Update all uses.
(mips_attribute_table): Add micromips, nomicromips and nocompression.
(mips_mips16_decl_p): Delete.
(mips_nomips16_decl_p): Delete.
  (mips_get_compress_on_flags): New function.
(mips_get_compress_off_flags): New function.
(mips_get_compress_mode): New function.
(mips_get_compress_on_name): New function.
(mips_get_compress_off_name): New function.
(mips_insert_attributes): Support multiple compression types.
(mips_merge_decl_attributes): Likewise.
(umips_12bit_offset_address_p): New function.
(mips_start_function_definition): Emit .set micromips directive.
(mips_call_may_need_jalx_p): New function.
(mips_function_ok_for_sibcall): Add microMIPS support.
(mips_print_operand_punctuation): Support short delay slots and
compact jumps.
(umips_swm_mask, umips_swm_encoding): New.
(umips_build_save_restore): New function.
(mips_for_each_saved_gpr_and_fpr): Add microMIPS support.
(was_mips16_p): Remove.
(old_compression_mode): New.
(mips_set_compression_mode): New function.
(mips_set_current_function): Add microMIPS support.
(mips_option_override): Likewise.
(umips_save_restore_pattern_p): New function.
(umips_output_save_restore): New function.
(umips_load_store_pair_p_1): New function.
(umips_load_store_pair_p): New function.
(umips_output_load_store_pair_1): New function.
(umips_output_load_store_pair): New function.
(umips_movep_target_p) New function.
(mips_prepare_pch_save): Add microMIPS support.
* config/mips/mips.h (TARGET_COMPRESSION): New.
(TARGET_CPU_CPP_BUILTINS): Update macro
to use new compression flags and to support microMIPS.
(MIPS_ISA_LEVEL_SPEC): Add m14k processors.
(MIPS_ARCH_FLOAT_SPEC): Likewise.
(ISA_HAS_LWXS): Include TARGET_MICROMIPS.
(ISA_HAS_LOAD_DELAY): Exclude TARGET_MICROMIPS.
(ASM_SPEC): Support mmicromips and mno-micromips.
(M16STORE_REG_P): New macro.
(MIPS_CALL): Support TARGET_MICROMIPS.
(MICROMIPS_J): New macro.
(mips_base_mips16): Rename this...
(mips_base_compression_flags): ...to this.
(UMIPS_12BIT_OFFSET_P): New macro.
* config/mips/t-sde: (MULTILIB_OPTIONS): Add microMIPS.
(MULTILIB_DIRNAMES): Likewise.

gcc/testsuite/
2013-02-24  Catherine Moore  <clm@codesourcery.com>
    Richard Sandiford <rdsandiford@googlemail.com>

* gcc.target/mips/mips.exp: Add microMIPS support.
* gcc.target/mips/umips-movep-2.c: New test.
* gcc.target/mips/umips-lwp-2.c: New test.
* gcc.target/mips/umips-swp-5.c: New test.
* gcc.target/mips/umips-constraints-1.c: New test.
* gcc.target/mips/umips-lwp-3.c: New test.
* gcc.target/mips/umips-swp-6.c: New test.
* gcc.target/mips/umips-constraints-2.c: New test.
* gcc.target/mips/umips-save-restore-1.c: New test.
* gcc.target/mips/umips-lwp-4.c: New test.
* gcc.target/mips/umips-swp-7.c: New test.
* gcc.target/mips/umips-save-restore-2.c: New test.
* gcc.target/mips/umips-lwp-swp-volatile.c: New test.
* gcc.target/mips/umips-lwp-5.c: New test.
* gcc.target/mips/umips-save-restore-3.c: New test.
* gcc.target/mips/umips-lwp-6.c: New test.
* gcc.target/mips/umips-swp-1.c: New test.
* gcc.target/mips/umips-lwp-7.c: New test.
* gcc.target/mips/umips-swp-2.c: New test.
* gcc.target/mips/umips-lwp-8.c: New test.
* gcc.target/mips/umips-swp-3.c: New test.
* gcc.target/mips/umips-movep-1.c: New test.
* gcc.target/mips/umips-lwp-1.c: New test.
* gcc.target/mips/umips-swp-4.c: New test.

Co-Authored-By: Chao-ying Fu <fu@mips.com>
Co-Authored-By: Iain Sandoe <iain@codesourcery.com>
Co-Authored-By: Joseph Myers <joseph@codesourcery.com>
Co-Authored-By: Maciej W. Rozycki <macro@codesourcery.com>
Co-Authored-By: Nathan Froyd <froydnj@codesourcery.com>
Co-Authored-By: Nathan Sidwell <nathan@codesourcery.com>
Co-Authored-By: Richard Sandiford <rdsandiford@googlemail.com>
Co-Authored-By: Tom de Vries <tom@codesourcery.com>
From-SVN: r196246

re PR target/52555 (ICE unrecognizable insn with -ffast-math and __attribute__((optimize(xx))))

PR target/52555
* target-globals.c (save_target_globals): For init_reg_sets and
target_reinit remporarily set this_fn_optabs to this_target_optabs.

From-SVN: r196245

* cpplib.pot: Regenerate.

From-SVN: r196244

* gcc.pot: Regenerate.

From-SVN: r196243

resolve.c (generate_component_assignments): Don't use UTF-8 ligature in diagnostic.

* resolve.c (generate_component_assignments): Don't use UTF-8
ligature in diagnostic.

From-SVN: r196242

Daily bump.

From-SVN: r196241

Daily bump.

From-SVN: r196236

re PR c++/40405 (ICE with invalid initialization of template member)

PR c++/40405
* pt.c (push_template_decl_real): Set DECL_INTERFACE_KNOWN
if we got the wrong number of template parms.

From-SVN: r196231

re PR c++/56377 (<missing> template args in substitution-failure diagnostics)

PR c++/56377
* pt.c (fn_type_unification): Use explicit args in template
instantiation context.

From-SVN: r196230

re PR c++/56359 (Bogus "error: no matching function for call to ...")

PR c++/56359
* call.c (can_convert_arg): Discard access checks.

From-SVN: r196229

re PR c++/56395 (ICE, Segmentation fault in tsubst)

PR c++/56395
* tree.c (strip_typedefs): Strip typedefs from TYPENAME_TYPE template
args.

From-SVN: r196228

[AArch64] Add missing copyright and build dependency for aarch64-simd-builtins.def

gcc/
* config/aarch64/aarch64-simd-builtins.def: Add copyright header.
* config/aarch64/t-aarch64
(aarch64-builtins.o): Depend on aarch64-simd-builtins.def.

From-SVN: r196224

re PR inline-asm/56148 (inline asm matching constraint with different mode)

2013-02-22  Vladimir Makarov  <vmakarov@redhat.com>

PR inline-asm/56148
* lra-constraints.c (process_alt_operands): Reload operand
conflicting with earlier clobber only if no more other conflicting
operands.

From-SVN: r196223

re PR sanitizer/56393 (SIGSEGV when -fsanitize=address and dynamic lib with global objects)

PR sanitizer/56393
* config/gnu-user.h (LIBASAN_EARLY_SPEC): Link in libasan_preinit.o
if not linking a shared library.

* lib/asan-dg.exp (asan_link_flags): Add
-B${gccpath}/libsanitizer/asan/ to flags.

* asan/Makefile.am (nodist_toolexeclib_HEADERS): Set to
libasan_preinit.o.
(libasan_preinit.o): Depend on asan_preinit.o.
* asan/Makefile.in: Regenerated.
* asan/asan_preinit.cc: New file, synced from upstream.
* asan/asan_rtl.cc: Remove preinit stuff, synced from upstream.

From-SVN: r196222

config.gcc (arm*-*-eabi*): Treat arm*eb as big-endian.

2013-02-22  Seth LaForge  <sethml@google.com>

* config.gcc (arm*-*-eabi*): Treat arm*eb as big-endian.

From-SVN: r196221

arm.md (split for extendsidi): Update condition.

2013-02-22  Greta Yorsh  <Greta.Yorsh@arm.com>

        * config/arm/arm.md (split for extendsidi): Update condition.
        (zero_extend<mode>di2,extend<mode>di2): Add an alternative.
        * config/arm/iterators.md (qhs_extenddi_cstr): Likewise.
        (qhs_zextenddi_cstr): Likewise.

From-SVN: r196220

Daily bump.

From-SVN: r196218

re PR middle-end/56420 (Arithmetic error in computation with compile time unsigned __int128 constant)

PR middle-end/56420
* expmed.c (EXACT_POWER_OF_2_OR_ZERO_P): Do subtraction in uhwi, to
avoid signed wrapping.
(expand_mult): Handle properly multiplication by
((dword_type) -1) << (BITS_PER_WORD - 1).  Improve multiplication by
((dword_type) 1) << (BITS_PER_WORD - 1).  Avoid undefined behavior
in the compiler if coeff is HOST_WIDE_INT_MIN.
(expand_divmod): Don't make ext_op1 static, change it's type to
uhwi.  Avoid undefined behavior in -INTVAL (op1).

* gcc.dg/torture/pr56420.c: New test.

From-SVN: r196215

re PR rtl-optimization/50339 (suboptimal register allocation for abs(__int128_t))

PR rtl-optimization/50339
* lower-subreg.h (struct lower_subreg_choices): Add splitting_ashiftrt
field.
* lower-subreg.c (compute_splitting_shift): Handle ASHIFTRT.
(compute_costs): Call compute_splitting_shift also for ASHIFTRT
into splitting_ashiftrt field.
(find_decomposable_shift_zext, resolve_shift_zext): Handle also
ASHIFTRT.
(dump_choices): Fix up printing LSHIFTRT choices, print ASHIFTRT
choices.

From-SVN: r196214

re PR middle-end/56108 (Asm statement in transaction_relaxed crashes compiler.)

PR middle-end/56108
* trans-mem.c (execute_tm_mark): Do not expand transactions that
are sure to go irrevocable.
testsuite/
* gcc.dg/tm/memopt-1.c: Declare functions transaction_safe.

From-SVN: r196213

Makefile.am (libasan_la_SOURCES): Remove deprecated dynamic/asan_interceptors_dynamic.cc.

* asan/Makefile.am (libasan_la_SOURCES): Remove deprecated
dynamic/asan_interceptors_dynamic.cc.
* asan/Makefile.in: Regenerated.
* merge.sh: Remove merge of deprecated lib/asan/dynamic.

From-SVN: r196211

Fix regression when writing formatted sequential to a pipe.

2013-02-21  Janne Blomqvist  <jb@gcc.gnu.org>

PR libfortran/30162
* io/open.c (test_endfile): Call stell only if size != 0.
* io/unix.c (raw_tell): Revert r194679.
(raw_size): Return size field only for regular files, otherwise 0.

From-SVN: r196210

MAINTAINERS (Write After Approval): Add myself.

2013-02-20  Andrew Sutton  <andrew.n.sutton@gmail.com>

* MAINTAINERS (Write After Approval): Add myself.

From-SVN: r196209

rtl.texi (vec_concat, [...]): Mention that scalars are valid operands.

* doc/rtl.texi (vec_concat, vec_duplicate): Mention that
scalars are valid operands.

From-SVN: r196208

re PR tree-optimization/56310 (ICE: in decide_about_value, at ipa-cp.c:3310 with -fipa-cp -fno-early-inlining -fipa-cp-clone --param=ipa-cp-eval-threshold=1)

2013-02-21  Martin Jambor  <mjambor@suse.cz>

PR tree-optimization/56310
* ipa-cp.c (agg_replacements_to_vector): New parameter index, copy
only matching indices and non-negative final offsets.
(intersect_aggregates_with_edge): Pass src_idx to
agg_replacements_to_vector.  Pass src_idx insstead of index to
intersect_with_agg_replacements.

testsuite/
* g++.dg/ipa/pr56310.C: New test.

From-SVN: r196207

ipa-cp.c (good_cloning_opportunity_p): Dump the real threshold instead of hard-wired defaults.

2013-02-21  Martin Jambor  <mjambor@suse.cz>

* ipa-cp.c (good_cloning_opportunity_p): Dump the real threshold
instead of hard-wired defaults.

From-SVN: r196206

asan_rtl.cc (__asan_preinit): Don't add if PIC macro is defined.

* asan/asan_rtl.cc (__asan_preinit): Don't add if PIC macro is
defined.  Add used attribute.

From-SVN: r196205

invoke.texi (MIPS Options): Update documentation of the floating-point multiply-accumulate instruction...

* doc/invoke.texi (MIPS Options): Update documentation of the
floating-point multiply-accumulate instruction restrictions.

From-SVN: r196204

Fix ChangeLog typo.

From-SVN: r196203

re PR fortran/56385 ([OOP] ICE with allocatable function result in a procedure-pointer component)

2013-02-21  Janus Weil  <janus@gcc.gnu.org>

PR fortran/56385
* trans-array.c (structure_alloc_comps): Handle procedure-pointer
components with allocatable result.

2013-02-21  Janus Weil  <janus@gcc.gnu.org>

PR fortran/56385
* gfortran.dg/proc_ptr_comp_37.f90: New.

From-SVN: r196202

libsanitizer merge from upstream r175733

From-SVN: r196201

re PR tree-optimization/56415 (Performance regression after fix for 56273)

2013-02-21  Richard Biener  <rguenther@suse.de>

PR tree-optimization/56415
Revert
2013-02-11  Richard Biener  <rguenther@suse.de>

PR tree-optimization/56273
* tree-vrp.c (simplify_cond_using_ranges): Disable for the
first VRP run.

* g++.dg/warn/Warray-bounds-6.C: New testcase.
* gcc.dg/tree-ssa/pr21559.c: Adjust.
* gcc.dg/tree-ssa/vrp17.c: Likewise.
* gcc.dg/tree-ssa/vrp18.c: Likewise.
* gcc.dg/tree-ssa/vrp23.c: Likewise.
* gcc.dg/tree-ssa/vrp24.c: Likewise.

From-SVN: r196200

New test for PR56398.

From-SVN: r196199

re PR bootstrap/56258 (Please upgrade doc/*.texi to the latest texinfo package(s))

PR bootstrap/56258
* doc/invoke.texi (-fdump-rtl-pro_and_epilogue): Use @item
instead of @itemx.

* gnat-style.texi (@title): Remove @hfill.
* projects.texi: Avoid line wrapping inside of @pxref or
@xref.

* doc/cp-tools.texinfo (Virtual Machine Options): Use just
one @gccoptlist instead of 3 separate ones.

From-SVN: r196196

re PR inline-asm/56405 (ICE on questionable "m" argument)

PR inline-asm/56405
* expr.c (expand_expr_real_1) <case TARGET_MEM_REF, MEM_REF>: Don't
use movmisalign or extract_bit_field for EXPAND_MEMORY modifier.

* gcc.c-torture/compile/pr56405.c: New test.

From-SVN: r196195

re PR fortran/56416 (texinfo 5: Many warnings for gfortran's *.texi)

2012-02-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/56416
        * gfortran.texi (Part II: Language Reference, Extensions,
        Non-Fortran Main Program): Sort @menu to match actual section order.
        * intrinsic.texi (Intrinsic Procedures): Ditto.
        (C_F_POINTER, PRECISION): Move to the alphabetically correct place.

From-SVN: r196194

Daily bump.

From-SVN: r196191

streambuf (basic_streambuf): Use injected class name instead of non-standard __streambuf_type typedef.

* include/std/streambuf (basic_streambuf): Use injected class name
instead of non-standard __streambuf_type typedef. Fix unclosed Doxygen
group.

From-SVN: r196185

faq.html: Fix spelling.

* doc/html/faq.html: Fix spelling.
* doc/xml/faq.xml: Likewise.
* include/bits/basic_ios.h: Likewise.
* include/bits/regex.h: Likewise.
* include/std/istream: Likewise.
* include/std/streambuf: Likewise.

From-SVN: r196184

55043.cc: Add missing namespace qualification.

* testsuite/23_containers/unordered_set/55043.cc: Add missing
namespace qualification.
* testsuite/23_containers/unordered_multiset/55043.cc: Likewise.

From-SVN: r196183

re PR go/56171 (syscall FAILs on Solaris)

PR go/56171
syscall: Solaris fixes for passing file descriptor.

From Rainer Orth.

From-SVN: r196180

re PR go/56320 (Several libgo tests FAIL on 64-bit Solaris/x86)

PR go/56320
runtime: Support Solaris AMD64 in lfstack.
The address space layout is similar on SPARC64 and AMD64 when
running Solaris.

From-SVN: r196179

re PR tree-optimization/56265 (ICE in ipa_make_edge_direct_to_target)

PR tree-optimization/56265
* ipa-prop.c (ipa_make_edge_direct_to_target): Fixup callgraph when target is
referenced for firs ttime.
* testsuite/g++.dg/ipa/devirt-11.C: New testcase.

From-SVN: r196177

tree-call-cdce.c (tree_call_cdce): Do not remove unused locals.

2013-02-20  Richard Biener  <rguenther@suse.de>

* tree-call-cdce.c (tree_call_cdce): Do not remove unused locals.
* tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Likewise.
* tree-ssa-dce.c (perform_tree_ssa_dce): Likewise.
* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Do
not return anything.
(rename_ssa_copies): Do not remove unused locals.
* tree-ssa-ccp.c (do_ssa_ccp): Likewise.
* tree-ssanames.c (pass_release_ssa_names): Remove unused
locals first.
* passes.c (execute_function_todo): Do not schedule unused locals
removal if cleanup_tree_cfg did something.
* tree-ssa-live.c (remove_unused_locals): Dump statistics
about the number of removed locals.

* gcc.dg/tree-ssa/forwprop-8.c: Adjust.

From-SVN: r196174

re PR tree-optimization/56398 (ICE (Segmentation fault) in dominated_by_p)

2013-02-20  Richard Biener  <rguenther@suse.de>

PR tree-optimization/56398
* tree-vect-loop-manip.c (adjust_debug_stmts): Skip
SSA default defs.

From-SVN: r196172

re PR tree-optimization/55334 (mgrid regression (ipa-cp disables vectorization))

2013-02-20  Martin Jambor  <mjambor@suse.cz>

PR tree-optimization/55334
* ipa-cp.c (initialize_node_lattices): Disable IPA-CP through and to
restricted pointers to arrays.

From-SVN: r196171

re PR tree-optimization/56396 (memory corruption in cc1)

2013-02-20  Richard Biener  <rguenther@suse.de>
Jakub Jelinek  <jakub@redhat.com>

PR tree-optimization/56396
* tree-ssa-ccp.c (n_const_val): New static variable.
(get_value): Return NULL for SSA names we don't have a lattice
entry for.
(ccp_initialize): Initialize n_const_val.
* tree-ssa-copy.c (n_copy_of): New static variable.
(init_copy_prop): Initialize n_copy_of.
(get_value): Return NULL_TREE for SSA names we don't have a
lattice entry for.

* gcc.dg/pr56396.c: New testcase.

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>
From-SVN: r196170