2014-07-16 Yvan Roux <yvan.roux@linaro.org>

2014-07-16  Yvan Roux  <yvan.roux@linaro.org>

	Backport from trunk r210828, r211103.
	2014-05-31  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* config/arm/arm.c (TARGET_ATOMIC_ASSIGN_EXPAND_FENV): New define.
	(arm_builtins) : Add ARM_BUILTIN_GET_FPSCR and ARM_BUILTIN_SET_FPSCR.
	(bdesc_2arg) : Add description for builtins __builtins_arm_set_fpscr
	and __builtins_arm_get_fpscr.
	(arm_init_builtins) : Initialize builtins __builtins_arm_set_fpscr and
	__builtins_arm_get_fpscr.
	(arm_expand_builtin) : Expand builtins __builtins_arm_set_fpscr and
	__builtins_arm_ldfpscr.
	(arm_atomic_assign_expand_fenv): New function.
	* config/arm/vfp.md (set_fpscr): New pattern.
	(get_fpscr) : Likewise.
	* config/arm/unspecs.md (unspecv): Add VUNSPEC_GET_FPSCR and
	VUNSPEC_SET_FPSCR.
	* doc/extend.texi (AARCH64 Built-in Functions) : Document
	__builtins_arm_set_fpscr, __builtins_arm_get_fpscr.

	2014-05-23  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* config/aarch64/aarch64.c (TARGET_ATOMIC_ASSIGN_EXPAND_FENV): New
	define.
	* config/aarch64/aarch64-protos.h (aarch64_atomic_assign_expand_fenv):
	New function declaration.
	* config/aarch64/aarch64-builtins.c (aarch64_builtins) : Add
	AARCH64_BUILTIN_GET_FPCR, AARCH64_BUILTIN_SET_FPCR.
	AARCH64_BUILTIN_GET_FPSR and AARCH64_BUILTIN_SET_FPSR.
	(aarch64_init_builtins) : Initialize builtins
	__builtins_aarch64_set_fpcr, __builtins_aarch64_get_fpcr.
	__builtins_aarch64_set_fpsr and __builtins_aarch64_get_fpsr.
	(aarch64_expand_builtin) : Expand builtins __builtins_aarch64_set_fpcr
	__builtins_aarch64_get_fpcr, __builtins_aarch64_get_fpsr,
	and __builtins_aarch64_set_fpsr.
	(aarch64_atomic_assign_expand_fenv): New function.
	* config/aarch64/aarch64.md (set_fpcr): New pattern.
	(get_fpcr) : Likewise.
	(set_fpsr) : Likewise.
	(get_fpsr) : Likewise.
	(unspecv): Add UNSPECV_GET_FPCR and UNSPECV_SET_FPCR, UNSPECV_GET_FPSR
	 and UNSPECV_SET_FPSR.
	* doc/extend.texi (AARCH64 Built-in Functions) : Document
	__builtins_aarch64_set_fpcr, __builtins_aarch64_get_fpcr.
	__builtins_aarch64_set_fpsr and __builtins_aarch64_get_fpsr.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/linaro@212672 138bc75d-0d04-0410-961f-82ee72b054a4