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-rw-r--r--sysdeps/i386/fpu_control.h4
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;