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| author | Ulrich Drepper <drepper@redhat.com> | 2004-11-22 19:03:42 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-11-22 19:03:42 +0000 |
| commit | bd5a6cec6a7d83457cc5dcd957938c50470a6a18 (patch) | |
| tree | 4e6452c8a4a5c8d1482725a48c4c6ba2bd3c0597 /sysdeps/i386/fpu_control.h | |
| parent | 6535f55f1a0cd3415a2594a0f945a1613c3edd4d (diff) | |
| download | glibc-bd5a6cec6a7d83457cc5dcd957938c50470a6a18.tar.gz glibc-bd5a6cec6a7d83457cc5dcd957938c50470a6a18.tar.xz glibc-bd5a6cec6a7d83457cc5dcd957938c50470a6a18.zip | |
Update.
2004-11-22 Ulrich Drepper <drepper@redhat.com> * sysdeps/i386/fpu_control.h: Add volatile to the asms. Patch by Alexander Stohr.
Diffstat (limited to 'sysdeps/i386/fpu_control.h')
| -rw-r--r-- | sysdeps/i386/fpu_control.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sysdeps/i386/fpu_control.h b/sysdeps/i386/fpu_control.h index e2d00467b7..0a9b57c30c 100644 --- a/sysdeps/i386/fpu_control.h +++ b/sysdeps/i386/fpu_control.h @@ -93,8 +93,8 @@ typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__HI__))); Note that the use of these macros is no sufficient anymore with recent hardware. Some floating point operations are executed in the SSE/SSE2 engines which have their own control and status register. */ -#define _FPU_GETCW(cw) __asm__ ("fnstcw %0" : "=m" (*&cw)) -#define _FPU_SETCW(cw) __asm__ ("fldcw %0" : : "m" (*&cw)) +#define _FPU_GETCW(cw) __asm__ __volatile__ ("fnstcw %0" : "=m" (*&cw)) +#define _FPU_SETCW(cw) __asm__ __volatile__ ("fldcw %0" : : "m" (*&cw)) /* Default control word set at startup. */ extern fpu_control_t __fpu_control; |