diff -r 077d55401303 sys/i386/include/ieeefp.h
--- a/sys/i386/include/ieeefp.h	Mon Sep 11 06:14:50 2017 +0200
+++ b/sys/i386/include/ieeefp.h	Wed Sep 13 07:55:20 2017 +0200
@@ -108,12 +108,12 @@
 
 #ifdef __GNUCLIKE_ASM
 
-#define	__fldcw(addr)	__asm __volatile("fldcw %0" : : "m" (*(addr)))
-#define	__fldenv(addr)	__asm __volatile("fldenv %0" : : "m" (*(addr)))
-#define	__fnclex()	__asm __volatile("fnclex")
-#define	__fnstcw(addr)	__asm __volatile("fnstcw %0" : "=m" (*(addr)))
-#define	__fnstenv(addr)	__asm __volatile("fnstenv %0" : "=m" (*(addr)))
-#define	__fnstsw(addr)	__asm __volatile("fnstsw %0" : "=m" (*(addr)))
+#define	__I3E_fldcw(addr)	__asm __volatile("fldcw %0" : : "m" (*(addr)))
+#define	__I3E_fldenv(addr)	__asm __volatile("fldenv %0" : : "m" (*(addr)))
+#define	__I3E_fnclex()		__asm __volatile("fnclex")
+#define	__I3E_fnstcw(addr)	__asm __volatile("fnstcw %0" : "=m" (*(addr)))
+#define	__I3E_fnstenv(addr)	__asm __volatile("fnstenv %0" : "=m" (*(addr)))
+#define	__I3E_fnstsw(addr)	__asm __volatile("fnstsw %0" : "=m" (*(addr)))
 
 /*
  * Load the control word.  Be careful not to trap if there is a currently
@@ -132,15 +132,15 @@
 	unsigned short _sw;
 
 	if ((_cw & FP_MSKS_FLD) != FP_MSKS_FLD) {
-		__fnstsw(&_sw);
+		__I3E_fnstsw(&_sw);
 		if (((_sw & ~_cw) & FP_STKY_FLD) != 0) {
-			__fnstenv(&_env);
+			__I3E_fnstenv(&_env);
 			_env._cw = _newcw;
-			__fldenv(&_env);
+			__I3E_fldenv(&_env);
 			return;
 		}
 	}
-	__fldcw(&_newcw);
+	__I3E_fldcw(&_newcw);
 }
 
 static __inline fp_rnd_t
@@ -148,7 +148,7 @@
 {
 	unsigned short _cw;
 
-	__fnstcw(&_cw);
+	__I3E_fnstcw(&_cw);
 	return ((fp_rnd_t)((_cw & FP_RND_FLD) >> FP_RND_OFF));
 }
 
@@ -158,7 +158,7 @@
 	fp_rnd_t _p;
 	unsigned short _cw, _newcw;
 
-	__fnstcw(&_cw);
+	__I3E_fnstcw(&_cw);
 	_p = (fp_rnd_t)((_cw & FP_RND_FLD) >> FP_RND_OFF);
 	_newcw = _cw & ~FP_RND_FLD;
 	_newcw |= (_m << FP_RND_OFF) & FP_RND_FLD;
@@ -171,7 +171,7 @@
 {
 	unsigned short _cw;
 
-	__fnstcw(&_cw);
+	__I3E_fnstcw(&_cw);
 	return ((fp_prec_t)((_cw & FP_PRC_FLD) >> FP_PRC_OFF));
 }
 
@@ -181,7 +181,7 @@
 	fp_prec_t _p;
 	unsigned short _cw, _newcw;
 
-	__fnstcw(&_cw);
+	__I3E_fnstcw(&_cw);
 	_p = (fp_prec_t)((_cw & FP_PRC_FLD) >> FP_PRC_OFF);
 	_newcw = _cw & ~FP_PRC_FLD;
 	_newcw |= (_m << FP_PRC_OFF) & FP_PRC_FLD;
@@ -200,7 +200,7 @@
 {
 	unsigned short _cw;
 
-	__fnstcw(&_cw);
+	__I3E_fnstcw(&_cw);
 	return ((~_cw & FP_MSKS_FLD) >> FP_MSKS_OFF);
 }
 
@@ -210,7 +210,7 @@
 	fp_except_t _p;
 	unsigned short _cw, _newcw;
 
-	__fnstcw(&_cw);
+	__I3E_fnstcw(&_cw);
 	_p = (~_cw & FP_MSKS_FLD) >> FP_MSKS_OFF;
 	_newcw = _cw & ~FP_MSKS_FLD;
 	_newcw |= (~_m << FP_MSKS_OFF) & FP_MSKS_FLD;
@@ -224,7 +224,7 @@
 	unsigned _ex;
 	unsigned short _sw;
 
-	__fnstsw(&_sw);
+	__I3E_fnstsw(&_sw);
 	_ex = (_sw & FP_STKY_FLD) >> FP_STKY_OFF;
 	return ((fp_except_t)_ex);
 }
@@ -244,12 +244,12 @@
 	if ((_p & ~_m) == _p)
 		return (_p);
 	if ((_p & ~_m) == 0) {
-		__fnclex();
+		__I3E_fnclex();
 		return (_p);
 	}
-	__fnstenv(&_env);
+	__I3E_fnstenv(&_env);
 	_env._sw &= ~_m;
-	__fldenv(&_env);
+	__I3E_fldenv(&_env);
 	return (_p);
 }