PR libgomp/51249
	* config/linux/sem.h: Rewrite.
	* config/linux/sem.c: Rewrite.

From-SVN: r181831

From-SVN: r181830

From-SVN: r181829

	(REG_CLASS_CONTENTS): Add NON_SP_REGS.
	(REGCLASS_HAS_GENERAL_REG): Handle NON_SP_REGS.
	* config/sh/constraints.md (u): New constraint.

From-SVN: r181825

Changes were mainly straightforward to merge.

From-SVN: r181824

	PR target/51337
	* config/sh/sh.c (sh_secondary_reload): Add case when FPUL
	register is being loaded from a pseudo in memory.

From-SVN: r181823

From-SVN: r181821

	* configure.ac (rl78-*-*) New case.
	* configure: Regenerate.
	* MAINTAINERS: Add myself as RL78 maintainer.

libgcc
	* config.host (rl78-*-elf): New case.
	* config/rl78: New directory for the Renesas RL78.

gcc
	* config.gcc (rl78-*-elf): New case.
	* doc/extend.texi: Add RL78 documentation.
	* doc/invoke.texi: Likewise.
	* doc/md.texi: Likewise.
	* doc/contrib.texi: Add RL78.
	* doc/install.texi: Add rl78-*-elf.
	* config/rl78: New directory for the Renesas RL78.

contrib
	* config-list.mk (LIST): Add rl78-elf.

From-SVN: r181819

	PR tree-optimization/51247
	* tree-vrp.c (extract_range_from_assert): For signed 1-bit precision
	types instead of adding 1 subtract -1 and instead of subtracting 1
	add -1 to avoid overflows.

	* gcc.c-torture/compile/pr51247.c: New test.

From-SVN: r181818

2011-11-29  Andreas Tobler  <andreast@fgznet.ch>

	* config.rpath (ld_shlibs): Fix detection of FreeBSD-10 and up.
	(libname_spec): Likewise.
	* configure: Regenerate with autoconf -I ../../.

From-SVN: r181816

2011-11-29  Andrew MacLeod  <amacleod@redhat.com>

	PR target/50123
	* optabs.c (maybe_optimize_fetch_op): New.  Look for more optimal
	instructions for a FECTH_OP or OP_FECTH sequence.
	(expand_atomic_fetch_op): Call maybe_optimize_fetch_op.
	* testsuite/gcc.dg/atomic-op-optimize.c: New.  Test for optimizations.

From-SVN: r181815

From-SVN: r181814

From Sanjoy Das.

	* go-location.h: New file.
	* go-linemap.cc: New file.
	* go-gcc.cc: Change all uses of source_location to Location.
	* Make-lang.in (GO_OBJS): Add go/go-linemap.o.
	(GO_LINEMAP_H): New variable.
	(GO_LEX_H): Use $(GO_LINEMAP_H).
	(GO_GOGO_H, GO_TYPES_H, GO_IMPORT_H): Likewise.
	(go/go-linemap.o): New target.

Co-Authored-By: Ian Lance Taylor <iant@google.com>

From-SVN: r181813

	* config/i386/sync.md (UNSPEC_LDA, UNSPEC_STA): New unspecs.
	(movdi_via_fpu): Remove.
	(loaddi_via_fpu): New insn pattern.
	(storedi_via_fpu): Ditto.
	(atomic_loaddi_fpu): Use loaddi_via_fpu and storedi_via_fpu.
	(atomic_storedi_fpu): Ditto.
	* reg-stack.c (get_true_reg): Handle UNSPEC_LDA.
	(subst_stack_regs_pat): Handle UNSPEC_STA.

From-SVN: r181812

	* config/i386/i386.md (*floathi<mode>2_i387_with_temp): Do not
	allocate scratch memory for alternative 0.

From-SVN: r181811

2011-11-29  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/40958
	* module.c (prev_module_line):  New variable.
	(prev_module_column):  New variable.
	(prev_character):  New variable.
	(module_char):  Update the new variables.
	(module_unget_char):  New function.
	(parse_string):  Use module_unget_char.
	(parse_integer):  Likewise.
	(parse_name):  Likewise.

From-SVN: r181810

From-SVN: r181809

2011-11-29  Dodji Seketeli  <dodji@redhat.com>

        * tree-diagnostic (struct loc_t): Rename into struct loc_map_pair.
        (maybe_unwind_expanded_macro_loc): Adjust.

From-SVN: r181808

2011-11-21  David Edelsohn  <dje.gcc@gmail.com>
            Aldy Hernandez  <aldyh@redhat.com>

        * trans-mem.c (ipa_tm_create_version_alias): Mangle new_decl
        if DECL_ONE_ONLY.
        (ipa_tm_create_version): Same.

Co-Authored-By: Aldy Hernandez <aldyh@redhat.com>

From-SVN: r181807

haifa-sched.c (recompute_todo_spec): Simplify and correct the code checking for a clobber of a condition register...

	* haifa-sched.c (recompute_todo_spec): Simplify and correct the
	code checking for a clobber of a condition register when deciding
	whether to predicate.

From-SVN: r181806

	* config.host (tic6x-*-uclinux): Append to extra_parts.  Fix
	formatting.

From-SVN: r181805

2011-11-29  Yufeng Zhang  <yufeng.zhang@arm.com>

	Use complex floating-point constant in CDBL.

	* gcc.dg/compat/compat-common.h (CDBL): Replace 1i with 1.0i.

From-SVN: r181804

	* gimple.c (gimple_call_set_cannot_inline): Move from gimple.h.
 	Update field call_stmt_cannot_inline_p from call graph edge, if
 	needed.
 	* gimple.h (gimple_call_set_cannot_inline): Move to gimple.c.

From-SVN: r181803

	* config/arm/arm.md (arm_movdi): Update NEG_POOL_RANGE.
	  (movdf_soft_insn): Likewise.

	* config/arm/fpa.md (thumb2_movdf_fpa): Likewise.

	* config/arm/neon.md (neon_mov<mode>): Likewise.

	* config/arm/vfp.md (movdi_vfp): Likewise.
	  (movdi_vfp_cortexa8): Likewise.
	  (movdf_vfp): Likewise.

From-SVN: r181802

2011-11-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51306
        PR fortran/48700
        * check.c (gfc_check_move_alloc): Make sure that from/to
        are both polymorphic or neither.
        * trans-intrinsic.c (conv_intrinsic_move_alloc): Cleanup,
        generate inline code.

2011-11-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51306
        PR fortran/48700
        * gfortran.dg/move_alloc_5.f90: Add dg-error.
        * gfortran.dg/select_type_23.f03: Add dg-error.
        * gfortran.dg/move_alloc_6.f90: New.
        * gfortran.dg/move_alloc_7.f90: New.

From-SVN: r181801

	PR middle-end/50074
	* expr.c (expand_expr_addr_expr_1): Don't call force_operand for
	EXPAND_SUM modifier.

From-SVN: r181800

hashtable.h (_Hashtable<>::_M_rehash): Remove code useless now that the hashtable implementation put the hash code in...

2011-11-29  François Dumont <fdumont@gcc.gnu.org>

	* include/bits/hashtable.h (_Hashtable<>::_M_rehash): Remove code
	useless now that the hashtable implementation put the hash code in
	cache if the hash functor throws.
	* testsuite/23_containers/unordered_set/erase/1.cc: Enhance test by
	checking also distance between begin and end iterators to validate
	underlying data model.
	* testsuite/23_containers/unordered_multiset/erase/1.cc: Likewise.
	* testsuire/23_containers/unordered_map/erase/1.cc: Likewise.
	* testsuite/23_containers/unordered_multimap/erase/1.cc: Likewise.
	* testsuite/23_containers/unordered_multiset/erase/2.cc: New.
	* testsuite/23_containers/unordered_multimap/erase/2.cc: New.

From-SVN: r181799

From-SVN: r181798

        PR tree-optimization/51301
        * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
        that the last statement doesn't convert to a bigger type than the
        original type of the computation.

From-SVN: r181797

        * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
        Handle overlap between retval and oldval.  Always compute boolval
        from CR0 EQ value.

From-SVN: r181796

        * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap): Get
        new pseudo for target after convert_modes.
        (rs6000_expand_atomic_exchange, rs6000_expand_atomic_op): Likewise.

From-SVN: r181795

From-SVN: r181794

From-SVN: r181793

	* g++.dg/cdce3.C: Use dg-additional-options.

From-SVN: r181789

	PR debug/50317
	* tree-ssa.c (execute_update_addresses_taken): Remove
	var ={v} {CLOBBER} stmts instead of rewriting them into
	var_N ={v} {CLOBBER}.

From-SVN: r181788

re PR middle-end/50907 (EDGE_CROSSING incorrectly set across same section with -freorder-blocks-and-partition -fPIC -fprofile-use)

	PR middle-end/50907
	* function.c (convert_jumps_to_returns): When redirecting an edge
	succ to EXIT_BLOCK_PTR, clear EDGE_CROSSING flag.

	* gcc.dg/tree-prof/pr50907.c: New test.

From-SVN: r181787

	PR tree-optimization/50078
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Copy over
	TREE_THIS_VOLATILE also from the old to new lhs resp. rhs.

	* gcc.dg/pr50078.c: New test.

From-SVN: r181786

re PR tree-optimization/50682 (ICE: SIGSEGV in main_block_label with -O2 -fnon-call-exceptions -ftracer)

	PR tree-optimization/50682
	* tree-eh.c (maybe_remove_unreachable_handlers): New function.
	* tree-flow.h (maybe_remove_unreachable_handlers): New prototype.
	* tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call it.

	* g++.dg/opt/pr50682.C: New test.

From-SVN: r181785

	* c-cpp-builtin.c (cpp_atomic_builtins):New.  Emit all atomic
	predefines in one place.  Add LOCK_FREE predefines.
	(c_cpp_builtins): Move Legacy HAVE_SYNC predefines to
	new func.

	libstdc++-v3
	* include/bits/atomic_base.h (ATOMIC_*_LOCK_FREE): Use new cpp
	predefined macros.
	* testsuite/29_atomics/headers/atomic/macros.cc: Add BOOL and POINTER
	macro checks.  Check for expected compile time values.

From-SVN: r181784

	PR other/51022
	* config/rs6000/t-savresfgpr: New file.
	* config/rs6000/t-ppccomm (LIB2ADD_ST): Remove all but
	$(srcdir)/config/rs6000/eabi.S.
	* config/rs6000/t-ppccomm-ldbl: Remove.
	* config.host (powerpc-*-freebsd*): Add rs6000/t-savresfgpr to
	tmake_file.
	(powerpc-*-eabispe*): Likewise.
	(powerpc-*-eabi*): Likewise.
	(powerpc-*-linux*, powerpc64-*-linux*): Likewise.
	(powerpc-wrs-vxworks, powerpc-wrs-vxworksae): Add rs6000/t-ppccomm
	to tmake_file, remove rs6000/t-ppccomm-ldbl.
	(powerpc-*-eabisimaltivec*): Remove rs6000/t-ppccomm-ldbl from
	tmake_file.
	(powerpc-*-eabisim*): Likewise.
	(powerpc-*-elf*): Likewise.
	(powerpc-*-eabialtivec*): Likewise.
	(powerpc-xilinx-eabi*): Likewise.
	(powerpc-*-rtems*): Likewise.
	(powerpcle-*-elf*): Likewise.
	(powerpcle-*-eabisim*): Likewise.
	(powerpcle-*-eabi*): Likewise.

From-SVN: r181782