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

2011-11-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51308
        * gfortran.dg/iso_c_binding_compiler_4.f90: New.

From-SVN: r181779

2011-11-28  Tobias Burnus  <burnus@net-b.de>
            Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/51308
        * symbol.c (check_conflict): Ignore BIND(C) + PARAMETER
        conflicts for ISO_C_BINDING variables.
        (gen_special_c_interop_ptr): Don't mark c_ptr_null/c_funptr_null
        as SAVE.

2011-11-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51308
        * gfortran.dg/iso_c_binding_compiler_4.f90: New.


Co-Authored-By: Steven G. Kargl <kargl@gcc.gnu.org>

From-SVN: r181778

re PR libstdc++/51288 ([C++0x] get_money implementation is missing the sentry object (does not skip leading whitespace))

2011-11-28  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/51288
	* include/std/iomanip (get_money, put_money): Use sentry.
	* testsuite/27_io/manipulators/extended/get_money/char/51288.cc: New.
	* testsuite/27_io/manipulators/extended/get_money/wchar_t/51288.cc:
	Likewise.
	* testsuite/27_io/manipulators/extended/put_money/char/51288.cc:
	Likewise.
	* testsuite/27_io/manipulators/extended/put_money/wchar_t/51288.cc:
	Likewise.

From-SVN: r181775

extend.texi (AVR Built-in Functions): Add documentation for __builtin_avr_map8 and __builtin_avr_map16.

	* doc/extend.texi (AVR Built-in Functions): Add documentation for
	__builtin_avr_map8 and __builtin_avr_map16.
	* config/avr/avr.md: Document new %t and %T asm output codes.
	(define_c_enum "unspec"): Add UNSPEC_MAP_BITS.
	(adjust_len): Add map_bits.
	(map_bitsqi, map_bitshi): New insns.
	* config/avr/avr-protos.h (avr_out_map_bits): New.
	* config/avr/avr-protos.c (print_operand): Implement %t and %T.
	(adjust_insn_length): Handle ADJUST_LEN_MAP_BITS.
	(avr_double_int_push_digit): New function.
	(avr_map, avr_revert_map, avr_swap_map, avr_id_map): New functions.
	(avr_sig_map, avr_map_hamming_byte): New functions.
	(avr_out_swap_bits, avr_out_revert_bits, avr_move_bits,
	avr_out_map_bits): New functions.
	(enum avr_builtin_id): Add AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
	(avr_init_builtins): Populate __builtin_avr_map8, __builtin_avr_map16.
	(bdesc_2arg): Add __builtin_avr_map8, __builtin_avr_map16 ...
	(avr_expand_builtin): ...and expand them.
	* config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
	__BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.

From-SVN: r181773

From-SVN: r181772

	* generic-morestack.c (__splitstack_find): Check for NULL old
	stack value.
	(__splitstack_resetcontext): New function.
	(__splitstack_releasecontext): New function.
	* libgcc-std.ver.in: Add new functions to GCC_4.7.0.

From-SVN: r181771

From-SVN: r181770

gcc/testsuite:
2011-11-27  Aldy Hernandez  <aldyh@redhat.com>
	    Iain Sandoe  <iains@gcc.gnu.org>

	* gcc.dg/lto/trans-mem-2_0.c: Add dg-lto-do link.  Add dummy
	functions for _ITM_registerTMCloneTable, _ITM_deregisterTMCloneTable.
	* gcc.dg/lto/trans-mem-1_0.c: Add dg-lto-do link.
	* gcc.dg/lto/trans-mem-1_1.c:  Add dummy functions for
	_ITM_registerTMCloneTable, _ITM_deregisterTMCloneTable.


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

From-SVN: r181766

libgcc:

	* config/darwin-crt-tm.c: Correct comments, use correct licence.

From-SVN: r181765

libgcc:

	* config/darwin-crt-tm.c: Remove dummy _ITM_ functions.

From-SVN: r181764

gcc/
	PR target/51278
	* config/mips/mips.c (mips_rtx_costs): Handle baddu.

From-SVN: r181763

gcc/
	* config/mips/mips.c (mips16_unextended_reference_p): Test for BLKmode.

From-SVN: r181762

gcc/
	* config/mips/mips-protos.h (mips_emit_binary): Declare.
	* config/mips/mips.c (mips_emit_binary): Make global.
	(mips_set_mips16_mode): Turn off -mfix-r4000 in MIPS16 mode.
	(mips_conditional_register_usage): Don't treat LO and HI as
	register operands in MIPS16 mode.
	(mips_mulsidi3_gen_fn): Use {u,}mulsidi3_{32,64}bit_mips16
	for MIPS16 code.
	* config/mips/predicates.md (muldiv_target_operand): New predicate.
	(move_operand): Allow hilo_operand.
	* config/mips/mips.md (mul<mode>3): Explicitly specify LO as the
	target of MIPS16 multiplies, then move it into the target register.
	(mul<mode>3_internal, *macc2, *msac2): Use muldiv_target_operand.
	(<u>mulsidi3_32bit_mips16): New expander.
	(<u>mulsidi3_32bit): Use muldiv_target_operand.
	(<u>mulsidi3_32bit_r4000): Disable for ISA_HAS_DSP.
	(<u>mulsidi3_64bit): Require !TARGET_MIPS16.  Split into
	<u>mulsidi3_64bit_split.
	(<u>mulsidi3_64bit_mips16): New expander.
	(<u>mulsidi3_64bit_split): Likewise, using expansions from
	two previous define_splits.
	(<u>mulsidi3_64bit_hilo, *muls<u>_di, <u>msubsidi4): Use
	muldiv_target_operand.
	(<su>mulsi3_highpart): Use <su>mulsi3_highpart_split for MIPS16 code.
	(<su>mulsi3_highpart_internal): Require !TARGET_MIPS16.
	Split into <su>mulsi3_highpart_split.
	(<su>mulsi3_highpart_split): New expander.
	(<su>muldi3_highpart): Turn into a define_expand.
	Use <su>muldi3_highpart_split for MIPS16 code.
	(<su>muldi3_highpart_internal): Renamed from <su>muldi3_highpart.
	Require !TARGET_MIPS16.  Split into <su>muldi3_highpart_split.
	(<su>muldi3_highpart_split): New expander.
	(<u>mulditi3): Explicitly specify LO as the target of MIPS16
	multiplies, then move it into the target register.
	(<u>mulditi3_internal, <u>maddsidi4): Use muldiv_target_operand.
	(divmod<mode>4, udivmod<mode>4): Turn into define_expands.
	Use <u>divmod<mode>4_split for MIPS16 code, then explicitly
	move LO into operand 0.
	(divmod<mode>4_internal, udivmod<mode>4_internal): Renamed
	from <u>divmod<mode>4.  Use muldiv_target_operand.
	Require !TARGET_MIPS16.  Split into <u>divmod<mode>4_split.
	(<u>divmod<mode>4_split): New expander.
	(<u>divmod<GPR:mode>4_hilo_<HILO:mode>): Use muldiv_target_operand.
	(mfhi<GPR:mode>_<HILO:mode>): Use hilo_operand.

gcc/testsuite/
	* gcc.target/mips/mult-2.c, gcc.target/mips/mult-3.c,
	gcc.target/mips/mult-4.c, gcc.target/mips/mult-5.c,
	gcc.target/mips/mult-6.c, gcc.target/mips/mult-7.c,
	gcc.target/mips/mult-8.c, gcc.target/mips/mult-9.c,
	gcc.target/mips/mult-10.c, gcc.target/mips/mult-11.c,
	gcc.target/mips/mult-12.c, gcc.target/mips/mult-13.c,
	gcc.target/mips/mult-14.c, gcc.target/mips/mult-15.c,
	gcc.target/mips/mult-16.c, gcc.target/mips/mult-17.c,
	gcc.target/mips/mult-18.c, gcc.target/mips/mult-19.c,
	gcc.target/mips/div-1.c, gcc.target/mips/div-2.c,
	gcc.target/mips/div-3.c, gcc.target/mips/div-4.c,
	gcc.target/mips/div-5.c, gcc.target/mips/div-6.c,
	gcc.target/mips/div-7.c, gcc.target/mips/div-8.c,
	gcc.target/mips/div-9.c, gcc.target/mips/div-10.c,
	gcc.target/mips/div-11.c, gcc.target/mips/div-12.c: New tests.
	* gcc.target/mips/fix-r4000-1.c (foo, bar): Add NOMIPS16.
	* gcc.target/mips/fix-r4000-2.c (foo): Likewise.
	* gcc.target/mips/fix-r4000-3.c (foo): Likewise.
	* gcc.target/mips/fix-r4000-4.c (foo): Likewise.
	* gcc.target/mips/fix-r4000-5.c (foo): Likewise.
	* gcc.target/mips/fix-r4000-6.c (foo): Likewise.
	* gcc.target/mips/fix-r4000-7.c (foo): Likewise.
	* gcc.target/mips/fix-r4000-8.c (foo): Likewise.
	* gcc.target/mips/fix-r4000-9.c (foo): Likewise.
	* gcc.target/mips/fix-r4000-10.c (foo): Likewise.
	* gcc.target/mips/fix-r4000-11.c (foo): Likewise.
	* gcc.target/mips/fix-r4000-12.c (foo): Likewise.

From-SVN: r181761

gcc/
	* hard-reg-set.h (target_hard_regs): Add x_accessible_reg_set
	and x_operand_reg_set.
	(accessible_reg_set, operand_reg_set): New macros.
	* reginfo.c (init_reg_sets): Initialize accessible_reg_set and
	operand_reg_set.
	(saved_accessible_reg_set, saved_operand_reg_set): New variables.
	(save_register_info): Save them.
	(restore_register_info): Restore them.
	(init_reg_sets_1): Limit operand_reg_set to accessible_reg_set.
	Remove NO_REGS registers from operand_reg_set.  Treat members
	of operand_reg_set as fixed.
	* recog.c (general_operand): Check operand_reg_set rather than
	NO_REGS.
	(register_operand, nonmemory_operand): Likewise.
	* varasm.c (make_decl_rtl): Always use DECL_MODE as the mode of
	register variables.  Check accessible_reg_set and operand_reg_set.
	* config/mips/mips.c (mips_conditional_register_usage): Remove
	inaccessible register from accessible_reg_set, rather than just
	making them fixed.

gcc/testsuite/
	* gcc.target/mips/mips.exp (mips-dg-options): Make -mno-dsp
	imply -mno-dspr2.
	* gcc.target/mips/no-dsp-1.c: New test.
	* gcc.target/mips/soft-float-1.c: Likewise.

From-SVN: r181760

From-SVN: r181759

	* doc/xml/manual/using.xml (Prerequisites): Refer to x86 instead
	of i386.

From-SVN: r181758

	* scripts/run_doxygen (problematic): Change Linux reference to
	GNU/Linux.

From-SVN: r181757

	* doc/xml/manual/abi.xml (Prerequisites): Refer to GNU/Linux.
	Fix reference to GCC.

From-SVN: r181756

        * config/arm/arm.c (arm_init_libfuncs): Call init_sync_libfuncs
        for Linux.

From-SVN: r181755

From-SVN: r181754

        * optabs.c (expand_atomic_fetch_op): Always return result.

From-SVN: r181750

        * optabs.c (init_sync_libfuncs_1): Include max in iteration.

From-SVN: r181749

        * omp-low.c (expand_omp_atomic): Assume anything aligned to
        BIGGEST_ALIGNMENT is aligned.

From-SVN: r181748

        * config/m68k/m68k.md (UNSPECV_CAS_1, UNSPECV_CAS_2): New.
        (UNSPECV_TAS_1, UNSPECV_TAS_2): New.
        (I): New mode iterator.
        (xz): New mode attribute.
        * config/m68k/sync.md: New file.

From-SVN: r181747

libgcc/
	* config/m68k/linux.h (TARGET_INIT_LIBFUNCS): New.
	* config/m68k/m68k.c (m68k_init_sync_libfuncs): New.
gcc/
	* config/m68k/linux-atomic.c: New file.
	* config/m68k/t-linux: New file.
	* config.host (m68k-uclinux, m68k-linux): Use it.

From-SVN: r181746

	PR gcov-profile/51297
	* gcov.c (main): Allocate initial names and sources arrays.
	(find_source): Don't check for null name or source arrays here.

From-SVN: r181745

        * crtstuff.c (__TMC_LIST__): Mark used not unused.
        (__TMC_END__): Only declare if hidden is available; in the definition,
        if hidden is unavailable add a null record.
        (deregister_tm_clones, register_tm_clones): New.
        (__do_global_dtors_aux, frame_dummy): Use them.
        (__do_global_dtors, __do_global_ctors_1): Likewise.

From-SVN: r181744

	PR rtl-optimization/49912
	* cfgrtl.c (rtl_verify_flow_info_1): Ignore also EDGE_PRESERVE bit
	when counting n_branch.

	* g++.dg/other/pr49912.C: New test.

From-SVN: r181743

	* gcc.dg/vect/fast-math-vect-call-2.c: Require vect_double
	effective target.
	* gcc.dg/vect/fast-math-bb-slp-call-2.c: Ditto.

From-SVN: r181742

	* gcc.dg/vect/fast-math-vect-call-2.c: Require vect_double
	effective target.

From-SVN: r181741

	PR libstdc++/51296
	* testsuite/30_threads/thread/native_handle/typesizes.cc: Do not run
	on alpha*-*-osf*.
	* testsuite/30_threads/future/cons/constexpr.cc: Disable debug
	symbols.
	* testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.

From-SVN: r181740

	* config/i386/sync.md (movdi_via_fpu): Add %Z insn suffixes.

From-SVN: r181739