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-rw-r--r--sysdeps/x86_64/fpu/math_private.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/sysdeps/x86_64/fpu/math_private.h b/sysdeps/x86_64/fpu/math_private.h
new file mode 100644
index 0000000000..4febcbb5ec
--- /dev/null
+++ b/sysdeps/x86_64/fpu/math_private.h
@@ -0,0 +1,21 @@
+#ifndef _MATH_PRIVATE_H
+
+#define math_opt_barrier(x) \
+({ __typeof(x) __x;					\
+   if (sizeof (x) <= sizeof (double))			\
+     __asm ("" : "=x" (__x) : "0" (x));			\
+   else							\
+     __asm ("" : "=t" (__x) : "0" (x));			\
+   __x; })
+#define math_force_eval(x) \
+do							\
+  {							\
+    if (sizeof (x) <= sizeof (double))			\
+      __asm __volatile ("" : : "x" (x));		\
+    else						\
+      __asm __volatile ("" : : "f" (x));		\
+  }							\
+while (0)
+
+#include <math/math_private.h>
+#endif