PR target/50694
	* config/sh/sh.h (IS_LITTLE_ENDIAN_OPTION, UNSUPPORTED_SH2A):
	New macros.
	(DRIVER_SELF_SPECS): Use new macros to filter out
	unsupported options taking the default configuration into
	account.
	* gcc.target/sh/pr21255-2-ml.c: Skip if -mb or -m5* is
	specified.  Remove redundant runtime checks.
	* gcc.target/sh/20080410-1.c: Skip if -mb is specified.
	Allow for other than -m4.  Fix typos in comments.

From-SVN: r181340

	* config.host (hppa*64*-*-hpux11*): Remove pa/t-stublib64 from
	tmake_file list.
	* config/pa/t-stublib: Merge rules from config/pa/t-stublib64.
	* config/pa/t-stublib64: Delete.

From-SVN: r181339

	* doc/install.texi (Specific): Fix anchor for
	x86_64-*-solaris2.1[0-9]*.

From-SVN: r181338

	* gcov.c (source_prefix, source_length): New globals.
	(flag_relative_only): Likewise.
	(print_usage, options, process_args): Update.
	(generate_results): Use coverage.name, check
	flag_relative_only. Adjust messages.
	(find_source): Check source_prefix.
	(output_lines): Use coverage.name, adjust messages.
	* doc/gcov.texi (Invoking Gcov): Document new options.

From-SVN: r181335

	PR c++/986
	* call.c (set_up_extended_ref_temp): Warn about references
	bound to non-static reference members.
	* init.c (perform_member_init): Pass in the member.

From-SVN: r181334

From-SVN: r181333

	PR c++/51060
	* gimplify.c (gimplify_target_expr): Add a clobber to the cleanup.
	(gimplify_modify_expr): Don't try to simplify it.
	* cp/cp-gimplify.c (cp_gimplify_expr): Leave clobbers alone.

From-SVN: r181332

From-SVN: r181331

	PR bootstrap/51094
	* config/elfos.h (STRING_ASM_OP): Define.
	* varasm.c (default_elf_asm_output_limited_string): Use it.

From-SVN: r181327

	PR bootstrap/51094
	* gcc/configure.ac: Check for stpcpy declaration.
	* system.h: Declare it if not.
	* config.in, configure: Regenerate.

From-SVN: r181326

        * config/rs6000/linux-unwind.h (frob_update_context): Properly
        cast the pointer argument to _Unwind_SetGRPtr.

From-SVN: r181325

        * config/rs6000/rs6000.md (fix_trunc<SFDF>si2_stfiwx): Use
        nonimmediate_operand for the destination.
        (fixuns_trunc<SFDF>si2_stfiwx): Likewise.

From-SVN: r181324

builtins.c (expand_builtin_compare_and_swap): If target is const0, don't pass the target to expand_atomic_compare_and_swap.

        * builtins.c (expand_builtin_compare_and_swap): If target is const0,
        don't pass the target to expand_atomic_compare_and_swap.
        (expand_builtin_atomic_compare_exchange): Likewise.

From-SVN: r181323

        * config/sh/linux.h (TARGET_INIT_LIBFUNCS): New.
        * config/sh/sh.c (sh_init_sync_libfuncs): New.

From-SVN: r181322

	PR libstdc++/51083
	* include/ext/type_traits.h (__promote): Only define __type member
	for integral and floating point types, to prevent math functions
	participating in overload resolution for other types.
	(__promote_2, __promote_3, __promote_4): Use __promote in default
	template argument values, so deduction only succeeds for integral and
	floating point types.
	* testsuite/26_numerics/cmath/51083.cc: New.
	* testsuite/26_numerics/complex/51083.cc: New.
	* testsuite/tr1/8_c_compatibility/cmath/51083.cc: New.
	* testsuite/tr1/8_c_compatibility/complex/51083.cc: New.

From-SVN: r181321

        * config/pa/pa-linux.h (TARGET_SYNC_LIBCALL): New.
        * config/pa/pa.h (TARGET_SYNC_LIBCALL): New default.
        * config/pa/pa.c (pa_init_libfuncs): Use init_sync_libfuncs.

From-SVN: r181320

ada:

	* gcc-interface/Makefile.in (stamp-gnatlib-$(RTSDIR)): Don't link
	s-oscons.ads.
	(OSCONS_CPP, OSCONS_EXTRACT): New.
	(./bldtools/oscons/xoscons): New Target.
	($(RTSDIR)/s-oscons.ads): New Target.
	(gnatlib): Depend on  $(RTSDIR)/s-oscons.ads.
	* gcc-interface/Make-lang.in (ada/s-oscons.ads) Remove as dependency.
	* Make-generated.in: Remove machinery to generate xoscons and
	ada/s-oscons.ads.

libada:

	Makefile.in: Change dependency on oscons to depend on the generator
	tool.

From-SVN: r181319

	* lib/gcc-simulate-thread.exp (simulate-thread): Do not run on
	alpha*-*-linux* targets.

From-SVN: r181318

gcc/testsuite:

	PR testsuite/51059
	* gcc.misc-tests/gcov-14.c (dg-options): Force flat namespace for
	Darwin targets and allow external symbols to be undefined.

From-SVN: r181317

gcc:

	PR target/45233
	* config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
	Only expand a symbol ref. into an access when the entity is defined
	in the TU.

From-SVN: r181315

gcc/obj:

	* objc-next-runtime-abi-01.c (objc_eh_personality): Use gcc personality
	for Objective-C m32.

From-SVN: r181312

re PR bootstrap/50822 (Solaris/SPARC bootstrap failure with Sun as: invalid assembler for ios_init.cc)


	PR bootstrap/50822
	* cgraphunit.c (output_weakrefs): Output really only weakrefs.

From-SVN: r181311

        * MAINTAINERS (Reviewers): Keep the list sorted.

From-SVN: r181310

	* gcov.c (struct name_map): New.
	(names, n_names, a_names): New global vars.
	(print_usage): Adjust usage.
	(generate_results): Canonicalize main file name.
	(release_structures): Adjust.
	(name_search, name_sort): New callbacks.
	(find_source): Look for and create a canonical name.
	(canonicalize_name): New.
	(make_gcov_file_name): Reimplement and fix mangling.
	(mangle_name): New.
	* doc/gcov.texi: Update documentation about path preservation.

	testsuite/
	* gcc.misc-tests/gcov-15.c: New.

From-SVN: r181309

From-SVN: r181308

	* config/sparc/linux.h (ASM_GENERATE_INTERNAL_LABEL): Delete.
	* config/sparc/linux64.h (ASM_GENERATE_INTERNAL_LABEL): Delete.

From-SVN: r181307

From-SVN: r181306

From-SVN: r181301

	* config/i386/i386-protos.h (ix86_maybe_emit_epilogue_vzeroupper):
	New prototype.
	* config/i386/i386.c (ix86_maybe_emit_epilogue_vzeroupper): New
	function.
	(ix86_expand_epilogue): Use it.
	* config/i386/i386.md (return, simple_return): Call it in the
	expanders.

From-SVN: r181300

	PR tree-optimization/51091
	* tree-stdarg.c (execute_optimize_stdarg): Ignore TREE_CLOBBER_P
	rhs also in the va_list_simple_ptr case.

From-SVN: r181299

re PR tree-optimization/51058 (ICE: gimple check: expected gimple_assign(error_mark), have gimple_call() in gimple_assign_rhs_code, at gimple.h:1992)

	PR tree-optimization/51058
	* tree-vect-slp.c (vect_remove_slp_scalar_calls): New function.
	(vect_schedule_slp): Call it.
	* tree-vect-stmts.c (vectorizable_call): If slp_node != NULL,
	don't replace scalar calls with setting of their lhs to zero here.

	* gcc.dg/vect/fast-math-vect-call-1.c: Add f4 test.
	* gfortran.dg/vect/pr51058-2.f90: New test.

From-SVN: r181298

re PR tree-optimization/51074 (No constant folding performed for VEC_PERM_EXPR, VEC_INTERLEAVE*EXPR, VEC_EXTRACT*EXPR)

	PR tree-optimization/51074
	* fold-const.c (vec_cst_ctor_to_array, fold_vec_perm): New functions.
	(fold_binary_loc): Handle VEC_EXTRACT_EVEN_EXPR,
	VEC_EXTRACT_ODD_EXPR, VEC_INTERLEAVE_HIGH_EXPR and
	VEC_INTERLEAVE_LOW_EXPR with VECTOR_CST or CONSTRUCTOR operands.
	(fold_ternary_loc): Handle VEC_PERM_EXPR with VECTOR_CST or
	CONSTRUCTOR operands.
	* tree-ssa-propagate.c (valid_gimple_rhs_p): Handle ternary
	expressions.
	* tree-vect-generic.c (lower_vec_perm): Mask sel_int elements
	to 0 .. 2 * elements - 1.

From-SVN: r181297

	* gimple-pretty-print.c (dump_gimple_omp_atomic_load): Dump needed.
	(dump_gimple_omp_atomic_store): Likewise.
	* optabs.c (can_atomic_exchange_p): New.
	* optabs.h (can_atomic_exchange_p): Declare.
	* omp-low.c (expand_omp_atomic_load): Implement.
	(expand_omp_atomic_store): Likewise.
	(expand_omp_atomic): Update for new arguments to load/store.

From-SVN: r181296

	PR c++/50976
	* typeck.c (check_literal_operator_args): Reorganize test for string
	operators so size_t search depends on finding string first.

From-SVN: r181292

	* config/spu/t-elf (LIB2ADD): Use LIB2FUNCS_EXCLUDE instead.

From-SVN: r181291

From-SVN: r181290

	* cprop.c: Adjust outdated comments throughout.
	(hash_scan_set): Rename PAT parameter into SET.
	(cprop_pavloc): Rename into...
	(cprop_avloc): ...this.
	(cprop_absaltered): Rename into...
	(cprop_kill): ...this.
	(alloc_cprop_mem): Adjust for above renaming.
	(free_cprop_mem): Likewise.
	(compute_cprop_data): Likewise.
	(compute_local_properties): Rename TRANSP parameter into KILL and
	adjust throughout.  Rework comments.
	(try_replace_reg): Fix long line.
	(cprop_jump): Likewise.
	(constprop_register): Fix prototype and take INSN last.
	(cprop_insn): Adjust calls to above function.  Fix long lines.
	(bypass_block): Likewise.
	(one_cprop_pass): Likewise.

From-SVN: r181289

2011-11-11  Janne Blomqvist  <jb@gcc.gnu.org>

	PR libfortran/51090
	* runtime/main.c (find_addr2line): NULL check before proceeding.

From-SVN: r181288

	* config/alpha/elf.h (ELF_ASCII_ESCAPES): Rename from ESCAPES.
	(ELF_STRING_LIMIT): Rename from STRING_LIMIT.

From-SVN: r181287

	* varasm.c (default_elf_asm_output_limited_string): #ifdef
	ELF_ASCII_ESCAPES.
	(default_elf_asm_output_ascii): Likewise.

From-SVN: r181286