(logb): Remove second value placed on stack by fxtract.

diff --git a/sysdeps/i386/fpu/__math.h b/sysdeps/i386/fpu/__math.h
index 86793babe5da72e5318ac280d9b8030e6e2a9bc9..5d7ba4b84391497a7452677ee08f5663165e1a88 100644 (file)
--- a/sysdeps/i386/fpu/__math.h
+++ b/sysdeps/i386/fpu/__math.h
@@ -444,10 +444,10 @@ __MATH_INLINE double logb (double __x);
 __MATH_INLINE double
 logb (double __x)
 {
-  register double __value;
+  register double __value, __junk;
   __asm __volatile__
     ("fxtract\n\t"
-     : "=t" (__value) : "0" (__x));
+     : "=t" (__value), "=u" (__junk) : "0" (__x));
 
   return __value;
 }