diff options
Diffstat (limited to 'winsup/mingw/mingwex/feclearexcept.c')
| -rw-r--r-- | winsup/mingw/mingwex/feclearexcept.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/winsup/mingw/mingwex/feclearexcept.c b/winsup/mingw/mingwex/feclearexcept.c index 8c943893b..a68884f41 100644 --- a/winsup/mingw/mingwex/feclearexcept.c +++ b/winsup/mingw/mingwex/feclearexcept.c @@ -1,4 +1,5 @@ #include <fenv.h> +#include "cpu_features.h" /* 7.6.2.1 The feclearexcept function clears the supported exceptions @@ -7,9 +8,17 @@ int feclearexcept (int excepts) { fenv_t _env; + excepts &= FE_ALL_EXCEPT; __asm__ volatile ("fnstenv %0;" : "=m" (_env)); /* get the env */ - _env.__status_word &= ~(excepts & FE_ALL_EXCEPT); /* clear the except */ + _env.__status_word &= ~excepts; /* clear the except */ __asm__ volatile ("fldenv %0;" :: "m" (_env)); /*set the env */ + if (__HAS_SSE) + { + unsigned _csr; + __asm__ volatile("stmxcsr %0" : "=m" (_csr)); /* get the register */ + _csr &= ~excepts; /* clear the except */ + __asm__ volatile("ldmxcsr %0" : : "m" (_csr)); /* set the register */ + } return 0; } |