diff options
Diffstat (limited to 'winsup/mingw/mingwex/feupdateenv.c')
| -rw-r--r-- | winsup/mingw/mingwex/feupdateenv.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/winsup/mingw/mingwex/feupdateenv.c b/winsup/mingw/mingwex/feupdateenv.c index f414837f5..e37566b02 100644 --- a/winsup/mingw/mingwex/feupdateenv.c +++ b/winsup/mingw/mingwex/feupdateenv.c @@ -1,4 +1,5 @@ #include <fenv.h> +#include "cpu_features.h" /* 7.6.4.4 The feupdateenv function saves the currently raised exceptions in @@ -8,13 +9,18 @@ set by a call to feholdexcept or fegetenv, or equal the macro FE_DFL_ENV or an implementation-defined environment macro. */ -/* FIXME: this works but surely there must be a better way. */ int feupdateenv (const fenv_t * envp) { - unsigned int _fexcept = fetestexcept (FE_ALL_EXCEPT); /*save excepts */ + unsigned int _fexcept; + __asm__ ("fnstsw %%ax" : "=a" (_fexcept)); /*save excepts */ + if (__HAS_SSE) + { + unsigned int _csr; + __asm__ ("stmxcsr %0" : "=m" (_csr)); + _fexcept |= _csr; + } fesetenv (envp); /* install the env */ - feraiseexcept (_fexcept); /* raise the execept */ + feraiseexcept (_fexcept & FE_ALL_EXCEPT); /* raise the execeptions */ return 0; } - |