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-rw-r--r--src/math/i386/exp.s9
-rw-r--r--src/math/i386/expm1.s13
2 files changed, 21 insertions, 1 deletions
diff --git a/src/math/i386/exp.s b/src/math/i386/exp.s
index 18f6cd67..f4769d59 100644
--- a/src/math/i386/exp.s
+++ b/src/math/i386/exp.s
@@ -34,6 +34,15 @@ exp:
 .type exp2,@function
 exp2:
 	fldl 4(%esp)
+1:	fxam
+	fnstsw %ax
+	sahf
+	jnp 1f
+	jnc 1f
+	fstps 4(%esp)
+	mov $0xfe,%al
+	and %al,7(%esp)
+	flds 4(%esp)
 1:	fld %st(0)
 	frndint
 	fxch %st(1)
diff --git a/src/math/i386/expm1.s b/src/math/i386/expm1.s
index d6d511ef..bbb5d12e 100644
--- a/src/math/i386/expm1.s
+++ b/src/math/i386/expm1.s
@@ -14,12 +14,23 @@ expm1l:
 .type expm1,@function
 expm1:
 	fldl 4(%esp)
+1:	fxam
+	fnstsw %ax
+	sahf
+	jnp 1f
+	jnc 1f
+	fstps 4(%esp)
+	mov $0xfe,%al
+	and %al,7(%esp)
+	flds 4(%esp)
 1:	fldl2e
 	fmulp
 	fld %st(0)
 	frndint
 	fldz
-	fcompi
+	fcomp
+	fnstsw %ax
+	sahf
 	jnz 1f
 	fstp %st(0)
 	f2xm1