diff options
Diffstat (limited to 'winsup/mingw/mingwex/fesetround.c')
-rw-r--r-- | winsup/mingw/mingwex/fesetround.c | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/winsup/mingw/mingwex/fesetround.c b/winsup/mingw/mingwex/fesetround.c deleted file mode 100644 index f14e6a6..0000000 --- a/winsup/mingw/mingwex/fesetround.c +++ /dev/null @@ -1,31 +0,0 @@ -#include <fenv.h> -#include "cpu_features.h" - - /* 7.6.3.2 - The fesetround function establishes the rounding direction - represented by its argument round. If the argument is not equal - to the value of a rounding direction macro, the rounding direction - is not changed. */ - -int fesetround (int mode) -{ - unsigned short _cw; - if ((mode & ~(FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO)) - != 0) - return -1; - __asm__ volatile ("fnstcw %0;": "=m" (_cw)); - _cw &= ~(FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO); - _cw |= mode; - __asm__ volatile ("fldcw %0;" : : "m" (_cw)); - - if (__HAS_SSE) - { - unsigned int _mxcsr; - __asm__ volatile ("stmxcsr %0" : "=m" (_mxcsr)); - _mxcsr &= ~ 0x6000; - _mxcsr |= (mode << __MXCSR_ROUND_FLAG_SHIFT); - __asm__ volatile ("ldmxcsr %0" : : "m" (_mxcsr)); - } - - return 0; -} |