gcc/
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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211103 138bc75d-0d04-0410-961f-82ee72b054a4