From-SVN: r181509

PR target/50493
* arm.c (neon_disambiguate_copy): Correctly handle partial overlap
of src and dest operands.

From-SVN: r181508

gcc:

	* config/darwin.h (ASM_DEBUG_SPEC): New.
	* config/darwin9.h (ASM_DEBUG_SPEC): New.

From-SVN: r181507

2011-11-19  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/debug/bitset (operator[](size_t) const): Declare constexpr.
	* include/profile/bitset: Likewise.
	* testsuite/23_containers/bitset/operations/constexpr.cc: Split out
	non portable bits to...
	* testsuite/23_containers/bitset/operations/constexpr-2.cc: ... here.

From-SVN: r181506

2011-11-19  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51207
        * class.c (gfc_find_derived_vtab): Mark __def_init as PARAMETER
        and hence as TREE_READONLY; add subroutine attribute to
        __copy_ procedure.

        PR fortran/50640
        * trans.h (GFC_DECL_PUSH_TOPLEVEL): New DECL_LANG_FLAG_7.
        * trans-decl.c (gfc_get_symbol_decl): Mark __def_init and vtab
        as GFC_DECL_PUSH_TOPLEVEL.
        (gfc_generate_function_code): If GFC_DECL_PUSH_TOPLEVEL, push it there.
        (build_function_decl): Push __copy_ procedure to the toplevel.

From-SVN: r181505

	* config/i386/i386.c (atom_cost): Disable SSE loop until alignment
	issues are fixed.

From-SVN: r181503

From-SVN: r181501

From-SVN: r181496

2011-11-18  Steve Ellcey  <sje@cup.hp.com>

	* Makefile.in (c_flags): Set to -fno-exceptions to build libunwind.

From-SVN: r181495

	* config/cris/cris.c (cris_function_value_regno_p): Make static.
	(TARGET_FUNCTION_VALUE_REGNO_P): Define.
	* config/cris/cris.h (FUNCTION_VALUE_REGNO_P): Remove.
	* config/cris/cris-protos.h (cris_function_value_regno_p): Remove.

From-SVN: r181493

gcc/testsuite/ChangeLog

2011-11-18  Fabien Chene  <fabien@gcc.gnu.org>

	PR c++/51188
	* g++.dg/lookup/using46.C: New.
	* g++.dg/lookup/using47.C: New.
	* g++.dg/lookup/using48.C: New.
	* g++.dg/lookup/using49.C: New.
	* g++.dg/lookup/using50.C: New.

gcc/cp/ChangeLog

2011-11-18  Fabien Chene  <fabien@gcc.gnu.org>

	PR c++/51188
	* search.c (lookup_field_1): Handle USING_DECLs for the storted
	case.

From-SVN: r181492

2011-11-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/33944
	* doc/extend.texi: Document __builtin_ia32_movnti64.

	* config/i386/emmintrin.h (_mm_stream_si64): New.

	* config/i386/i386-builtin-types.def: Add VOID_FTYPE_PLONGLONG_LONGLONG.

	* config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTI64.
	(bdesc_special_args): Update __builtin_ia32_movnti.  Add
	__builtin_ia32_movnti64.
	(ix86_expand_special_args_builtin): Handle
	VOID_FTYPE_PLONGLONG_LONGLONG.

	* config/i386/i386.md (UNSPEC_MOVNTI): New.

	* config/i386/sse.md (sse2_movntsi): Renamed to ...
	(sse2_movnti<mode>): This.

From-SVN: r181491

gcc/testsuite/ChangeLog

2011-11-18  Fabien Chene  <fabien@gcc.gnu.org>

	PR c++/51141
	* g++.dg/lookup/using46.C: New.
	* g++.dg/lookup/using47.C: New.
	* g++.dg/lookup/using48.C: New.
	* g++.dg/lookup/using49.C: New.
	* g++.dg/lookup/using50.C: New.

gcc/cp/ChangeLog

2011-11-18  Fabien Chene  <fabien@gcc.gnu.org>

	PR c++/51141
	* search.c (lookup_field_1): Handle USING_DECLs for the storted
	case.

From-SVN: r181490

	* gcc.c-torture/compile/pr44707.c: Do not assume assembler
	supports /* ... */ comments.

From-SVN: r181489

gcc/
	PR target/49868
	* config/avr/avr.h (base_arch_s): Add field n_segments.
	(ADDR_SPACE_PGM1, ADDR_SPACE_PGM2, ADDR_SPACE_PGM3,
	ADDR_SPACE_PGM4, ADDR_SPACE_PGM5, ADDR_SPACE_PGMX): New address spaces.
	(AVR_HAVE_ELPM, AVR_HAVE_ELPMX): New defines.
	(INIT_EXPANDERS): New define.
	* config/avr/avr-protos.h (avr_mem_pgmx_p): New.
	(avr_init_expanders): New.
	(avr_emit_movmemhi, avr_out_movmem): New.
	(avr_xload_libgcc_p): New.
	* config/avr/avr-c.c (avr_register_target_pragmas): Register
	address spaces __pgm1, __pgm2,  __pgm3,  __pgm4  __pgm5,  __pgmx.
	(avr_cpu_cpp_builtins): Add built-in defines __PGM1,
	__PGM2, __PGM3, __PGM4, __PGM5, __PGMX.
	* config/avr/avr-devices.c (avr_arch_types): Set field n_segments.

	* config/avr/avr.c (AVR_SECTION_PROGMEM): Change define to cover
	3 bits instead of just 1.
	(xstring_empty, xstring_e, rampz_rtx): New static GTYed variables.
	(progmem_section): Change from section to array of sections.
	(progmem_section_prefix): New static variable.
	(avr_file_start): Print set for __RAMPZ__
	(avr_option_override): Move initialization of RTXes from here...
	(avr_init_expanders): ...to this new function.
	(avr_pgm_segment): New static function.
	(avr_decl_pgm_p): Handle error_mark_node.
	(avr_mem_pgmx_p, avr_decl_pgmx_p): New static functions.
	(avr_out_xload,	avr_find_unused_d_reg): New static functions.
	(expand_prologue, expand_epilogue): Use rampz_rtx.
	(print_operand): Hande CONST_STRING.
	(avr_xload_libgcc_p): New static function.
	(avr_out_lpm_no_lpmx, avr_out_lpm): Handle ELPM.
	(avr_progmem_p): Return 2 for 24-bit flash address space.
	(avr_out_sbxx_branch): Clean-up code from ASn macros.
	(out_movqi_r_mr, out_movqi_mr_r): Ditto. And recognize RAMPZ's
	address and print symbolically.
	(avr_asm_named_section, avr_section_type_flags,
	avr_encode_section_info, avr_asm_select_section,
	avr_addr_space_address_mode, avr_addr_space_pointer_mode,
	avr_addr_space_legitimate_address_p, avr_addr_space_convert,
	avr_addr_space_legitimize_address): Handle new address spaces.
	(avr_output_progmem_section_asm_op): New static function.
	(avr_asm_init_sections): Initialize progmem_section[].
	(adjust_insn_length): Handle ADJUST_LEN_XLOAD, ADJUST_LEN_MOVMEM.
	(avr_const_address_lo16): New static function.
	(avr_assemble_integer): Use it to handle 3-byte integers.
	(avr_emit_movmemhi, avr_out_movmem): New functions.
	
	* config/avr/predicates.md (nox_general_operand): Handle new
	address spaces.
	* config/avr/avr.md (unspec): Add UNSPEC_MOVMEM.
	(adjust_len): Add xload, movmem.
	(SP_ADDR): New define_constants.
	(isa): Add "lpm", "lpmx", "elpm", "elpmx".
	(enabled): Handle them.
	(load<mode>_libgcc): New expander.
	(*load.<mode>.libgcc): Rename to load_<mode>_libgcc.
	(xload8_A, xload<mode>_A): New insn-and-splits.
	(xload_8, xload_<mode>_libgcc, xload_<mode>, loadmem_elpm): New insns.
	(mov<mode>): Handle new address spaces.
	(movmemhi): Rewrite using avr_emit_movmemhi.
	(MOVMEM_r_d): New mode attribute.
	(movmem_<mode>, movmem_qi_elpm): New insns.
	(setmemhi, *clrmemqi, *clrmemhi, strlenhi, *strlenhi): Unquote
	C-code.  Use label instead of hard-coded instrunction lengths.
	
libgcc/
	PR target/49868
	* config/avr/t-avr (LIB1ASMFUNCS): Add _xload_2 _xload_3 _xload_4.
	* config/avr/lib1funcs.S (__xload_2, __xload_3, __xload_4):
	New functions.

From-SVN: r181482

	* config/generic/asmcfi.h: Fix comment.
	* config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
	sequence without .hidden support, error for non-ELF targets.
	(GTM_longjmp) [__ELF__]: Only use .hidden if
	HAVE_ATTRIBUTE_VISIBILITY.

From-SVN: r181481

2011-11-18  Harti Brandt  <hartmut.brandt@dlr.de>

	PR libstdc++/51209
	* include/bits/hashtable.h (_Hashtable<>::_M_find_node): Return
	nullptr when no node is found.
	* include/tr1/hashtable.h (_Hashtable<>::_M_find_node): Return
	zero when no node is found.

From-SVN: r181480

re PR c++/51150 ([C++11][4.6/4.7 Regression] ICE when result of -> initializes const variable of different type)

/cp
2011-11-18  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51150
	* pt.c (tsubst_copy_and_build): Handle FIX_TRUNC_EXPR.

/testsuite
2011-11-18  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51150
	* g++.dg/cpp0x/pr51150.C: New.

From-SVN: r181478

2011-11-18  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/50605
	* gimple.c (is_gimple_ip_invariant_address): Also handle MEM_REFs
	of IPA invariant decls.

	* testsuite/g++.dg/ipa/pr50605.C: New test.

From-SVN: r181477

2011-11-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* tree-outof-ssa.c (insert_back_edge_copies):  Add call to
	mark_dfs_back_edges.

From-SVN: r181476

gcc/cp/

	PR c++/51191
	* pt.c (primary_template_instantiation_p): Don't forget to
	consider alias declarations.

gcc/testsuite/

	PR c++/51191
	* g++.dg/cpp0x/alias-decl-13.C: New test.

From-SVN: r181475

gcc/ada:

	PR target/50678
	* init.c (__gnat_error_handler) [Darwin]: Move work-around to the
	bug filed as radar #10302855 from __gnat_error_handler ...
	... to (__gnat_adjust_context_for_raise) [Darwin]: New.
	(HAVE_GNAT_ADJUST_CONTEXT_FOR_RAISE) [Darwin]: Define.
	(__gnat_error_handler) [Darwin]: Use __gnat_adjust_context_for_raise.

From-SVN: r181474

2011-11-18  Paolo Carlini  <paolo.carlini@oracle.com>

	* src/hash-long-double-aux.cc: Rename to...
	* src/hash-long-double-tr1-aux.cc: ... this.
	* src/compatibility-ldbl.cc: Adjust.
	* src/hash_tr1.cc: Likewise.
	* src/hash_c++0x.cc: Don't use src/hash-long-double-aux.cc.
	* include/bits/functional_hash.h (hash<_Tp*>::operator(), specs
	for integer types, hash<float>::operator(), hash<double>::operator(),
	hash<long double>::operator()): Declare noexcept.
	* include/debug/bitset (hash<__debug::bitset>::operator()): Likewise.
	* include/debug/vector (hash<__debug::vector>::operator()): Likewise.
	* include/std/system_error (hash<error_code>::operator()): Likewise.
	* include/std/thread (hash<thread::id>::operator()): Likewise.
	* include/std/bitset (hash<bitset>::operator()): Likewise.
	* include/std/typeindex (hash<type_index>::operator()): Likewise.
	* include/profile/bitset (hash<__profile::vector>::operator()):
	Likewise.
	* include/profile/vector (hash<__profile::vector>::operator()):
	Likewise.
	* include/ext/vstring.h (hash<__vstring>::operator(),
	hash<__wvstring>::operator(), hash<__u16vstring>::operator(),
	hash<__u32vstring>::operator()): Likewise.
	* include/bits/shared_ptr.h (hash<shared_ptr>::operator()): Likewise.
	* include/bits/shared_ptr_base.h (hash<__shared_ptr>::operator()):
	Likewise.
	* include/bits/unique_ptr.h (hash<unique_ptr>::operator()): Likewise.
	* include/bits/basic_string.h (hash<string>::operator(),
	hash<wstring>::operator(), hash<u16string>::operator(),
	hash<u32string>::operator()): Likewise.
	* include/bits/vector.tcc (hash<vector>::operator()): Likewise.
	* include/bits/stl_bvector.h (hash<vector>::operator()): Likewise.
	* libsupc++/typeinfo (type_info::hash_code): Use noexcept instead of
	throw().

From-SVN: r181473

gcc/ada:

2011-11-18  Tristan Gingold  <gingold@adacore.com>
	    Iain Sandoe  <iains@gcc.gnu.org>

	PR target/49992
	* mlib-tgt-specific-darwin.adb (Archive_Indexer_Options): Remove.
	* gcc-interface/Makefile.in (darwin): Remove ranlib special-casing
	for Darwin.


Co-Authored-By: Iain Sandoe <iains@gcc.gnu.org>

From-SVN: r181470

toplevel:

	PR target/49992
	* configure.ac: Remove ranlib special-casing for Darwin.
	* configure: Regenerate.

gcc:

	PR target/49992
	* configure.ac: Remove ranlib special-casing for Darwin.
	* configure: Regenerate.

From-SVN: r181469

re PR tree-optimization/51118 (ICE: tree check: expected tree that contains ‘typed’ structure, have ‘block’ in fold_checksum_tree, at fold-const.c:14160)

	PR tree-optimization/51118
	* fold-const.c (fold_checksum_tree): Check for TS_TYPED structure
	before using TREE_TYPE accessor on expr.

From-SVN: r181468

From-SVN: r181467

	PR bootstrap/51134
	* i386.c (atom_cost): Fix 32bit memset description.
	(expand_set_or_movmem_via_loop_with_iter): Output proper bounds check for epilogue loops.
	(expand_movmem_epilogue): Handle epilogues up to size 15 w/o producing byte loop.
	(decide_alg): sse_loop is not useable wthen SSE2 is disabled; when not optimizing always
	use rep movsb or lincall; do not produce word sized loops when optimizing memset for
	size (to avoid need for large constants).
	(ix86_expand_movmem): Get into sync with ix86_expand_setmem; choose unroll factors
	better; always do 128bit moves when producing SSE loops; do not produce loopy epilogue
	when size is too small.
	(promote_duplicated_reg_to_size): Do not look into desired alignments when
	doing vector expansion.
	(ix86_expand_setmem): Track better when promoted value is available; choose unroll factors
	more sanely.; output loopy epilogue only when needed.

From-SVN: r181466

re PR libstdc++/51181 (libstdc++.so __sync_sub_and_fetch_4 linkage error causing many test suite failures on m68k-linux)

PR libstdc++/51181
        * libsupc++/eh_tm.cc (free_any_cxa_exception): Protect the use
        of __sync_sub_and_fetch with _GLIBCXX_ATOMIC_BUILTINS_4.

From-SVN: r181465

From-SVN: r181464

	* testsuite/30_threads/thread/native_handle/typesizes.cc: Do not run
	on darwin.

From-SVN: r181460

From-SVN: r181459

From-SVN: r181458

2011-11-17  Steve Ellcey  <sje@cup.hp.com>

	PR middle-end/51144
	* output.h (fprint_w): Remove.
	* final.c (fprint_w): Remove.
	(output_addr_const): Change fprint_w back to fprintf.

From-SVN: r181457

2011-11-17  Andrew Pinski  <apinski@cavium.com>

	* config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for MIPS.

From-SVN: r181456

re PR c++/51186 (declaring main() with auto but without --std=c++11 gives inconsistent error messages)

	PR c++/51186
	* decl.c (grokdeclarator): Improve C++98 trailing return diagnostic.

From-SVN: r181455

From-SVN: r181454

2011-11-17  Andrew MacLeod  <amacleod@redhat.com>

	* builtins.c (expand_builtin): Remove 4th parameter representing 
	weak/strong mode when __atomic_compare_exchange becomes a library call.

	* gcc.dg/atomic-generic-aux.c (__atomic_compare_exchange): Fail if 
	memory model parameters don't match expected values.
	* gcc.dg/atomic-generic.c: Pass specific memory model parameters to
	__atomic_compare_exchange.
	* gcc.dg/atomic-noinline.c: Pass specific memory model parameters to
	__atomic_compare_exchange_n.
	* gcc.dg/atomic-noinline-aux.c (__atomic_compare_exchange_2): Remove
	weak/strong parameter and fail if memory models aren't correct.

From-SVN: r181453

	* lib/gcc-simulate-thread.exp (simulate-thread): Run on all targets.
	Look for simulate_thread_done to determine working gdb.  Reduce timeout
	to 10 seconds and fail when timeout occurs.  Improve error messages.

From-SVN: r181452

	* builtins.c (expand_builtin_mem_thread_fence): Remove.
	(expand_builtin_mem_signal_fence): Remove.
	(expand_builtin_atomic_thread_fence): Use expand_mem_thread_fence.
	(expand_builtin_sync_synchronize): Likewise.
	(expand_builtin_atomic_signal_fence): Use expand_mem_signal_fence.
	* optabs.c (expand_asm_memory_barrier): Split out from
	expand_builtin_mem_signal_fence.
	(expand_mem_thread_fence): New, a combination of code from
	expand_builtin_mem_thread_fence and expand_builtin_sync_synchronize.
	(expand_mem_signal_fence): Moved and renamed from
	expand_builtin_mem_signal_fence.
	(expand_atomic_exchange): Use expand_mem_thread_fence.
	(expand_atomic_load, expand_atomic_store): Likewise.
	* expr.h, optabs.h: Update decls.

From-SVN: r181451