--- src/include/i386/__math.h--	Thu Mar  5 03:19:12 1998
+++ src/include/i386/__math.h	Fri Jul  3 13:59:51 1998
@@ -179,7 +179,7 @@
   __asm __volatile__
     ("fldl	%%st(0)\n\t"
      "frndint			# int(x)\n\t"
-     "fxch\n\t"
+     "fxch	%%st(1)\n\t"
      "fsub	%%st(1)		# fract(x)\n\t"
      "f2xm1			# 2^(fract(x)) - 1\n\t"
      : "=t" (__value), "=u" (__exponent) : "0" (__x));
@@ -254,7 +254,7 @@
      "fmul	%%st(1)		# x * log2(e)\n\t"			      \
      "fstl	%%st(1)\n\t"						      \
      "frndint			# int(x * log2(e))\n\t"			      \
-     "fxch\n\t"								      \
+     "fxch	%%st(1)\n\t"						      \
      "fsub	%%st(1)		# fract(x * log2(e))\n\t"		      \
      "f2xm1			# 2^(fract(x * log2(e))) - 1\n\t"	      \
      "fscale			# 2^(x * log2(e)) - 2^(int(x * log2(e)))\n\t" \
@@ -275,7 +275,7 @@
      "fmul	%%st(1)		# x * log2(e)\n\t"			      \
      "fstl	%%st(1)\n\t"						      \
      "frndint			# int(x * log2(e))\n\t"			      \
-     "fxch\n\t"								      \
+     "fxch	%%st(1)\n\t"						      \
      "fsub	%%st(1)		# fract(x * log2(e))\n\t"		      \
      "f2xm1			# 2^(fract(x * log2(e))) - 1\n\t"	      \
      : "=t" (__value), "=u" (__exponent) : "0" (__x));			      \
@@ -350,7 +350,7 @@
     ("fmul	%%st(1)		# y * log2(x)\n\t"
      "fst	%%st(1)\n\t"
      "frndint			# int(y * log2(x))\n\t"
-     "fxch\n\t"
+     "fxch	%%st(1)\n\t"
      "fsub	%%st(1)		# fract(y * log2(x))\n\t"
      "f2xm1			# 2^(fract(y * log2(x))) - 1\n\t"
      : "=t" (__value), "=u" (__exponent) : "0" (__y), "1" (__value));
@@ -380,8 +380,8 @@
 __inline_mathop (cos, "fcos")
 
 __inline_mathop (atan, "fld1; fpatan")
-__inline_mathop (log, "fldln2; fxch; fyl2x")
-__inline_mathop (log10, "fldlg2; fxch; fyl2x")
+__inline_mathop (log, "fldln2; fxch %%st(1); fyl2x")
+__inline_mathop (log10, "fldlg2; fxch %%st(1); fyl2x")
 
 __inline_mathcode (asin, __x, return __atan2l (__x, __sqrtl (1.0 - __x * __x)))
 __inline_mathcode (acos, __x, return __atan2l (__sqrtl (1.0 - __x * __x), __x))
@@ -441,7 +441,7 @@
 /* Optimized versions for some non-standardized functions.  */
 #if defined __USE_ISOC9X || defined __USE_MISC
 
-__inline_mathop(log2, "fld1; fxch; fyl2x")
+__inline_mathop(log2, "fld1; fxch %%st(1); fyl2x")
 
 __inline_mathcode (expm1, __x, __expm1_code)
 
@@ -456,7 +456,7 @@
   else
     __asm __volatile__
       ("fldln2\n\t"
-       "fxch\n\t"
+       "fxch %%st(1)\n\t"
        "fyl2xp1"
        : "=t" (__value) : "0" (__x));
   return __value)