about summary refs log tree commit diff
path: root/sysdeps/i386/fpu_control.h
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2004-11-22 19:03:42 +0000
committerUlrich Drepper <drepper@redhat.com>2004-11-22 19:03:42 +0000
commitbd5a6cec6a7d83457cc5dcd957938c50470a6a18 (patch)
tree4e6452c8a4a5c8d1482725a48c4c6ba2bd3c0597 /sysdeps/i386/fpu_control.h
parent6535f55f1a0cd3415a2594a0f945a1613c3edd4d (diff)
downloadglibc-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.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;