X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fmath%2Fi386%2Fmodf.s;h=8e3ea50d82f428bd5bc927139ce9b7f3455a93b3;hp=b88e7841449ef2db128fab30e4f673e65eb3d29d;hb=be5b01f855b9a6460f8ed575bea50dd01030cb50;hpb=1bf4dad32727ee17e6067caac6600ca0c5ab9f2d

diff --git a/src/math/i386/modf.s b/src/math/i386/modf.s
index b88e7841..8e3ea50d 100644
--- a/src/math/i386/modf.s
+++ b/src/math/i386/modf.s
@@ -1,15 +1,28 @@
 .global modf
 .type modf,@function
 modf:
-	mov 12(%esp),%eax
+	mov 12(%esp),%ecx
 	fldl 4(%esp)
-	fld1
-	fld %st(1)
-1:	fprem
-	fstsw %ax
+	fxam
+	fnstsw %ax
 	sahf
-	jp 1b
-	fstp %st(1)
-	fsubr %st(1)
-	fstpl (%eax)
+        jnp 1f
+        jc 2f
+1:      fld1
+        fld %st(1)
+1:      fprem
+        fnstsw %ax
+        sahf
+        jp 1b
+        fstp %st(1)
+        fsubr %st(0),%st(1)
+        fxch %st(1)
+        fstpl (%ecx)
+        ret
+
+2:	fstpl (%ecx)
+	mov 4(%ecx),%eax
+	and $0x80000000,%eax
+	mov %eax,4(%esp)
+	flds 4(%esp)
 	ret