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

	PR rtl-optimization/50663
	* cprop.c (implicit_set_indexes): New global variable.
	(insert_set_in_table): Add additional parameter and record implicit
	set information.
	(hash_scan_set): Add additional parameter and pass it to above.
	(hash_scan_insn): Pass false to hash_scan_set.
	(compute_hash_table_work): Pass true to hash_scan_set.
	(compute_cprop_data): Add implicit set to AVIN of block which the
	implicit set is recorded for.
	(one_cprop_pass): Handle implicit_set_indexes array.

From-SVN: r181446

	N3203
	* class.c (add_implicitly_declared_members): Update move
	conditions.

From-SVN: r181445

	PR c++/51137
	* class.c (build_base_path): Don't do calculation in templates.

From-SVN: r181444

	PR middle-end/50644
	PR middle-end/50741

	* tree-ssa-live.c (mark_all_vars_used_1): Recurse only for decls of
	current function.
	(remove_unused_locals): Ditto.

testsuite/

	* g++.dg/tree-ssa/pr50741.C: New.

From-SVN: r181443

	* alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
	_ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
	Dummy functions.
	* eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
	__cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.

From-SVN: r181442

	* lib/gcc-simulate-thread.exp (simulate-thread): Skip on
	alpha*-*-*.

From-SVN: r181441

	* doc/xml/manual/status_cxx2011.xml: Status of piecewise construction
	and ios_base::failure.
	* doc/xml/manual/backwards_compatibility.xml: List headers in
	alphabetical order.

From-SVN: r181438

	* config/alpha/alpha.c (alpha_split_compare_and_swap_12): Copy
	ALIAS_SET_MEMORY_BARRIER when creating a new memory.
	(alpha_split_atomic_exchange_12): Likewise.
	* config/rs6000/rs6000.c (rs6000_adjust_atomic_subword): Likewise.

From-SVN: r181436

        * inclhack.def (aix_once_init_[12]): New fixes.
        * fixincl.x: Regenerate.
        * tests/base/pthread.h: Update.

From-SVN: r181434

From-SVN: r181431

	* gcc.dg/tm/memopt-6.c: Cleanup tmedge tree dump.
	* gcc.dg/tm/memopt-13.c: Cleanup tmmark tree dump.
	* g++.dg/eh/array1.C: Cleanup gimple tree dump.

From-SVN: r181426

gcc/fortran
2011-11-16  Tobias Burnus  <burnus@net-b.de>

        PR fortran/39427
        PR fortran/37829
        * decl.c (match_data_constant, match_data_constant,
        * variable_decl,
        gfc_match_decl_type_spec, access_attr_decl,
        check_extended_derived_type, gfc_match_derived_decl,
        gfc_match_derived_decl, gfc_match_derived_decl) Modified to deal
        with DT constructors.
        * gfortran.h (gfc_find_dt_in_generic,
        gfc_convert_to_structure_constructor): New function prototypes.
        * interface.c (check_interface0, check_interface1,
        gfc_search_interface): Ignore DT constructors in generic list.
        * match.h (gfc_match_structure_constructor): Update prototype.
        * match.c (match_derived_type_spec): Ensure that one uses the DT
        not the generic function.
        * module.c (MOD_VERSION): Bump.
        (dt_lower_string, dt_upper_string): New functions.
        (find_use_name_n, find_use_operator, compare_true_names,
        find_true_name, add_true_name, fix_mio_expr, load_needed,
        read_module, write_dt_extensions, write_symbol): Changes to deal with
        different symtree vs. sym names.
        (create_derived_type): Create also generic procedure.
        * parse.c (gfc_fixup_sibling_symbols): Don't regard DT and
        * generic
        function as the same.
        * primary.c (gfc_convert_to_structure_constructor): New
        * function.
        (gfc_match_structure_constructor): Restructured; calls
        gfc_convert_to_structure_constructor.
        (build_actual_constructor, gfc_match_rvalue): Update for DT generic
        functions.
        * resolve.c (resolve_formal_arglist, resolve_structure_cons,
        is_illegal_recursion, resolve_generic_f, resolve_variable,
        resolve_fl_variable_derived, resolve_fl_derived0,
        resolve_symbol): Handle DT and DT generic constructors.
        * symbol.c (gfc_use_derived, gfc_undo_symbols,
        gen_special_c_interop_ptr, gen_cptr_param,
        generate_isocbinding_symbol, gfc_get_derived_super_type): Handle
        derived-types, which are hidden in the generic type.
        (gfc_find_dt_in_generic): New function
        * trans-array.c (gfc_conv_array_initializer): Replace
        * FL_PARAMETER
        expr by actual value.
        * trans-decl.c (gfc_get_module_backend_decl,
        * gfc_trans_use_stmts):
        Ensure that we use the DT and not the generic function.
        * trans-types.c (gfc_get_derived_type): Ensure that we use the
        * DT
        and not the generic procedure.

gcc/testsuite/
2011-11-16  Tobias Burnus  <burnus@net-b.de>

        PR fortran/39427
        PR fortran/37829
        * gfortran.dg/constructor_1.f90: New.
        * gfortran.dg/constructor_2.f90: New.
        * gfortran.dg/constructor_3.f90: New.
        * gfortran.dg/constructor_4.f90: New.
        * gfortran.dg/constructor_5.f90: New.
        * gfortran.dg/constructor_6.f90: New.
        * gfortran.dg/use_only_5.f90: New.
        * gfortran.dg/c_ptr_tests_17.f90: New.
        * gfortran.dg/c_ptr_tests_18.f90: New.
        * gfortran.dg/used_types_25.f90: New.
        * gfortran.dg/used_types_26.f90: New
        * gfortran.dg/type_decl_3.f90: New.
        * gfortran.dg/function_types_3.f90: Update dg-error.
        * gfortran.dg/result_1.f90: Ditto.
        * gfortran.dg/structure_constructor_3.f03: Ditto.
        * gfortran.dg/structure_constructor_4.f03: Ditto.

From-SVN: r181425

From-SVN: r181423

        * config/rs6000/rs6000.c (rs6000_xcoff_section_type_flags):
        Default to minimum alignment if decl is NULL.

From-SVN: r181422

	* config/i386/sse.md (round<mode>2_vec_pack_sfix): Optimize V2DFmode
	sequence for AVX.
	(<sse4_1>_round<ssemodesuffix>_vec_pack_sfix<avxsizesuffix>): Ditto.

From-SVN: r181421

2011-10-16  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>

	* gcc.dg/vect/pr30858.c: Update expected output for
	architectures with multiple vector sizes.

From-SVN: r181420

2011-11-16  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>

	* config/arm/lib1funcs.asm (udivsi3): Add support for divide
	functions.
	(aeabi_uidivmod): Likewise.	
	(umodsi3): Likewise.
	(divsi3): Likewise.
	(aeabi_idivmod): Likewise.
	(modsi3): Likewise.

From-SVN: r181419

From-SVN: r181417

2011-11-16  Richard Earnshaw  <rearnsha@arm.com>
	    Bernd Schmidt <bernds@coudesourcery.com>
	    Sebastian Huber <sebastian.huber@embedded-brains.de>

	PR target/49641
	* config/arm/arm.c (store_multiple_sequence): Avoid cases where
	the base reg is stored iff compiling for Thumb1.

	* gcc.target/arm/pr49641.c: New test.

Co-Authored-By: Bernd Schmidt <bernds@codesourcery.com>
Co-Authored-By: Sebastian Huber <sebastian.huber@embedded-brains.de>

From-SVN: r181416

2011-11-16  Andrew MacLeod  <amacleod@redhat.com>

	PR libstdc++/51102
	* include/bits/atomic_base.h (ATOMIC_BOOL_LOCK_FREE,
	ATOMIC_POINTER_LOCK_FREE): New. Add missing macros.

From-SVN: r181414

re PR tree-optimization/49960 (inconsistent outputs when enabling autopar for a self -dependence testcase)

	PR tree-optimization/49960

	* tree-data-ref.c (initialize_data_dependence_relation): Add initializations. 
	Remove call to compute_self_dependence.
	(compute_affine_dependence): Remove the !DDR_SELF_REFERENCE condition.
	(compute_self_dependence): Remove old code. Add call to compute_affine_dependence.
	(compute_all_dependences): Remove call to compute_self_dependence. 
	Add call to compute_affine_dependence.

From-SVN: r181411

re PR tree-optimization/49960 (inconsistent outputs when enabling autopar for a self -dependence testcase)

	PR tree-optimization/49960

	* gcc.dg/autopar/pr49960.c: New test.
	* gcc.dg/autopar/pr49960-1.c: New test.

From-SVN: r181410

re PR tree-optimization/49960 (inconsistent outputs when enabling autopar for a self -dependence testcase)

	PR tree-optimization/49960

	* gcc.dg/autopar/pr49960.c: New test.
	* gcc.dg/autopar/pr49960-1.c: New test.

From-SVN: r181409

	PR bootstrap/51098
	* acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
	* configure: Regenerate.

From-SVN: r181408

	* Fix name in ChangeLog entry.

From-SVN: r181407

2011-11-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	PR middle-end/50325
	* expmed.c (store_bit_field_1): Use extract_bit_field on big
	endian targets if the source cannot be exactly covered by word
	mode chunks.

From-SVN: r181405

2011-11-16  Tristan Gingold  <gingold@adacore.com>

	* config/alpha/qrnnd.S: Use specific pseudos for VMS.

From-SVN: r181403

	* config/i386/i386elf.h (ASM_OUTPUT_ASCII): Change STRING_LIMIT to
	ELF_STRING_LIMIT.

From-SVN: r181400

From-SVN: r181399

From-SVN: r181395

2011-11-15  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/51142
	* include/debug/unordered_map (unordered_map<>::erase(iterator),
	unordered_multimap<>::erase(iterator)): Add, consistently with
	LWG 2059.
	* include/debug/unordered_set (unordered_set<>::erase(iterator),
	unordered_multiset<>::erase(iterator)): Likewise.
	* include/debug/map.h (map<>::erase(iterator)): Likewise.
	* include/debug/multimap.h (multimap<>::erase(iterator)): Likewise.
	* include/profile/map.h (map<>::erase(iterator)): Likewise.
	* include/profile/multimap.h (multimap<>::erase(iterator)): Likewise.
	* include/bits/hashtable.h (_Hashtable<>::erase(iterator)): Likewise.
	* include/bits/stl_map.h (map<>::erase(iterator)): Likewise.
	* include/bits/stl_multimap.h (multimap<>::erase(iterator)): Likewise.
	* include/bits/stl_tree.h (_Rb_tree<>::erase(iterator)): Likewise.
	* testsuite/23_containers/unordered_map/erase/51142.cc: New.
	* testsuite/23_containers/multimap/modifiers/erase/51142.cc: Likewise.
	* testsuite/23_containers/set/modifiers/erase/51142.cc: Likewise.
	* testsuite/23_containers/unordered_multimap/erase/51142.cc: Likewise.
	* testsuite/23_containers/unordered_set/erase/51142.cc: Likewise.
	* testsuite/23_containers/multiset/modifiers/erase/51142.cc: Likewise.
	* testsuite/23_containers/unordered_multiset/erase/51142.cc: Likewise.
	* testsuite/23_containers/map/modifiers/erase/51142.cc: Likewise.

From-SVN: r181394

2011-11-16  Tom de Vries  <tom@codesourcery.com>

	* gcc.dg/pr43864.c: Check for absence of 'Invalid sum' in pre tree-dump.
	* gcc.dg/pr43864-2.c: Same.
	* gcc.dg/pr43864-3.c: Same.
	* gcc.dg/pr43864-4.c: Same.

From-SVN: r181393

2011-11-16  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-tail-merge.c (replace_block_by): Add frequency of bb2 to bb1.

From-SVN: r181392

	PR rtl-optimization/51051
	PR bootstrap/51086
	* function.c (thread_prologue_and_epilogue_insns): Guard
	emitting return with single_succ_p test.

From-SVN: r181391