2013-12-11  Sandra Loosemore  <sandra@codesourcery.com>

        PR middle-end/23623
        PR middle-end/48784
        PR middle-end/56341
        PR middle-end/56997

        gcc/
        * expmed.c (strict_volatile_bitfield_p): New function.
        (store_bit_field_1): Don't special-case strict volatile
        bitfields here.
        (store_bit_field): Handle strict volatile bitfields here instead.
        (store_fixed_bit_field): Don't special-case strict volatile
        bitfields here.
        (extract_bit_field_1): Don't special-case strict volatile
        bitfields here.
        (extract_bit_field): Handle strict volatile bitfields here instead.
        (extract_fixed_bit_field): Don't special-case strict volatile
        bitfields here.  Simplify surrounding code to resemble that in
        store_fixed_bit_field.
        * doc/invoke.texi (Code Gen Options): Update
        -fstrict-volatile-bitfields description.

        gcc/testsuite/
        * gcc.dg/pr23623.c: New test.
        * gcc.dg/pr48784-1.c: New test.
        * gcc.dg/pr48784-2.c: New test.
        * gcc.dg/pr56341-1.c: New test.
        * gcc.dg/pr56341-2.c: New test.
        * gcc.dg/pr56997-1.c: New test.
        * gcc.dg/pr56997-2.c: New test.
        * gcc.dg/pr56997-3.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205896 138bc75d-0d04-0410-961f-82ee72b054a4
2013-12-11  Bernd Edlinger  <bernd.edlinger@hotmail.de>
            Sandra Loosemore  <sandra@codesourcery.com>

        PR middle-end/23623
        PR middle-end/48784
        PR middle-end/56341
        PR middle-end/56997
        * expmed.c (strict_volatile_bitfield_p): Add bitregion_start
        and bitregion_end parameters.  Test for compliance with C++
        memory model.
        (store_bit_field): Adjust call to strict_volatile_bitfield_p.
        Add fallback logic for cases where -fstrict-volatile-bitfields
        is supposed to apply, but cannot.
        (extract_bit_field): Likewise. Use narrow_bit_field_mem and
        extract_fixed_bit_field_1 to do the extraction.
        (extract_fixed_bit_field): Revert to previous mode selection algorithm.
        Call extract_fixed_bit_field_1 to do the real work.
        (extract_fixed_bit_field_1): New function.

testsuite:        
        * gcc.dg/pr23623.c: Update to test interaction with C++
        memory model.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205897 138bc75d-0d04-0410-961f-82ee72b054a4
2013-12-11  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR middle-end/59134
        * expmed.c (store_bit_field): Use narrow_bit_field_mem and
        store_fixed_bit_field_1 for -fstrict-volatile-bitfields.
        (store_fixed_bit_field): Split up.  Call store_fixed_bit_field_1
        to do the real work.
        (store_fixed_bit_field_1): New function.
        (store_split_bit_field): Limit the unit size to the memory mode size,
        to prevent recursion.
        
testsuite:
        * gcc.c-torture/compile/pr59134.c: New test.
        * gnat.dg/misaligned_volatile.adb: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205898 138bc75d-0d04-0410-961f-82ee72b054a4
2013-12-11  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * expr.c (expand_assignment): Remove dependency on
        flag_strict_volatile_bitfields. Always set the memory
        access mode.
        (expand_expr_real_1): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205899 138bc75d-0d04-0410-961f-82ee72b054a4
Added Compiler Support for _Cilk_spawn and _Cilk_sync for C++.
gcc/c-family/ChangeLog
2013-12-11  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * cilk.c (cilk_outline): Made this function non-static.
	(gimplify_cilk_spawn): Removed pre_p and post_p arguments.
	(create_cilk_wrapper): Added a new parameter: a function pointer.
	(c_install_body_w_frame_cleanup): Remove
	(extract_free_variables): Added VEC_INIT_EXPR and CONSTRUCTOR case.
        * c-common.h (cilk_outline): New prototype.
	(gimplify_cilk_spawn): Removed two parameters.
        (cilk_install_body_with_frame_cleanup): New prototype.
	* c-gimplify.c (c_gimplify_expr): Added MODIFY_EXPR, CALL_EXPR and
	CILK_SPAWN_STMT case.

gcc/c/ChangeLog
2013-12-11  Balaji V. Iyer  <balaji.v.iyer@intel.com>
	
	* c-objc-common.h (LANG_HOOKS_CILKPLUS_FRAME_CLEANUP): Remove.
	(LANG_HOOKS_CILKPLUS_DETECT_SPAWN_AND_UNWRAP): Likewise.
	(LANG_HOOKS_CILKPLUS_CILKPLUS_GIMPLIFY_SPAWN): Likewise.
	* c-typeck.c (cilk_install_body_with_frame_cleanup): New function.

gcc/ChangeLog
2013-12-11  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * langhooks.h (lang_hooks_for_decls): Remove lang_hooks_for_cilkplus.
	(lang_hooks_for_cilkplus): Remove.
	* langhooks.c (lhd_cilk_detect_spawn): Likewise.
	(lhd_install_body_with_frame_cleanup): Likewise.
	* langhooks-def.h (LANG_HOOKS_CILKPLUS_FRAME_CLEANUP): Likewise.
	(LANG_HOOKS_CILKPLUS_DETECT_SPAWN_AND_UNWRAP): Likewise.
	(LANG_HOOKS_CILKPLUS_CILKPLUS_GIMPLIFY_SPAWN): Likewise.
	(LANG_HOOKS_CILKPLUS): Likewise.
	(LANG_HOOKS_DECLS): Remove LANG_HOOKS_CILKPLUS.
	* gimplify.c (gimplify_expr): Removed CILK_SPAWN_STMT case.
	(gimplify_modify_expr): Removed handling of _Cilk_spawn in expr.
	(gimplify_call_expr): Likewise.
 
gcc/cp/ChangeLog
2013-12-11  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * cp-tree.h (cilk_valid_spawn): New prototype.
        (gimplify_cilk_spawn): Likewise.
        (create_try_catch_expr): Likewise.
        * decl.c (finish_function): Insert Cilk function-calls when a
        _Cilk_spawn is used in a function.
        * parser.c (cp_parser_postfix_expression): Added RID_CILK_SPAWN and
        RID_CILK_SYNC cases.
        * cp-cilkplus.c (set_cilk_except_flag): New function.
        (set_cilk_except_data): Likewise.
        (cilk_install_body_with_frame_cleanup): Likewise.
        * except.c (create_try_catch_expr): Likewise.
        * parser.h (IN_CILK_SPAWN): New #define.
        * pt.c (tsubst_expr): Added CILK_SPAWN_STMT and CILK_SYNC_STMT cases.
        * semantics.c (potential_constant_expression_1): Likewise.
        * typeck.c (cp_build_compound_expr): Reject a spawned function in a
        compound expression.
        (check_return_expr): Reject a spawned function in a return expression.
	* cp-gimplify.c (cp_gimplify_expr): Added a CILK_SPAWN_STMT and
	CALL_EXPR case.  Added handling of spawned function in MODIFY_EXPR
	and INIT_EXPR.

gcc/testsuite/ChangeLog
2013-12-11  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * g++.dg/cilk-plus/CK/catch_exc.cc: New test case.
        * g++.dg/cilk-plus/CK/const_spawn.cc: Likewise.
        * g++.dg/cilk-plus/CK/fib-opr-overload.cc: Likewise.
        * g++.dg/cilk-plus/CK/fib-tplt.cc: Likewise.
        * g++.dg/cilk-plus/CK/lambda_spawns.cc: Likewise.
        * g++.dg/cilk-plus/CK/lambda_spawns_tplt.cc: Likewise.
        * g++.dg/cilk-plus/cilk-plus.exp: Added support to run Cilk Keywords
        test stored in c-c++-common.  Also, added the Cilk runtime's library
        to the ld_library_path.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205902 138bc75d-0d04-0410-961f-82ee72b054a4
2013-12-11  Tobias Burnus  <burnus@net-b.de>

        * config/fpu-387.h (sigill_hdlr, get_fpu_rounding_mode): Emit
        * SSE
        instructions when __SSE_MATH__ is defined.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205903 138bc75d-0d04-0410-961f-82ee72b054a4
2013-12-11  Sriraman Tallam  <tmsriram@google.com>

	PR target/59390
	* config/i386/i386.c (get_builtin): New function.
	(ix86_builtin_vectorized_function): Replace all instances of
	ix86_builtins[...] with get_builtin(...).
	(ix86_builtin_reciprocal): Ditto.

	PR target/59390
	* gcc.target/i386/pr59390.c: New test.
	* gcc.target/i386/pr59390_1.c: New test.
	* gcc.target/i386/pr59390_2.c: New test.

Tested boot-strap on all languages and test parity on x86_64 and with -m32.




git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205904 138bc75d-0d04-0410-961f-82ee72b054a4