X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fmath%2Fi386%2Fmodff.s;h=35a08ca942f6717828973775892681e25bdaaae8;hp=d29b4b601b114dc9848bd8053078d84a30bd1559;hb=be5b01f855b9a6460f8ed575bea50dd01030cb50;hpb=1bf4dad32727ee17e6067caac6600ca0c5ab9f2d

diff --git a/src/math/i386/modff.s b/src/math/i386/modff.s
index d29b4b60..35a08ca9 100644
--- a/src/math/i386/modff.s
+++ b/src/math/i386/modff.s
@@ -1,15 +1,28 @@
 .global modff
 .type modff,@function
 modff:
-	mov 8(%esp),%eax
+	mov 8(%esp),%ecx
 	flds 4(%esp)
-	fld1
-	fld %st(1)
-1:	fprem
-	fstsw %ax
+	fxam
+	fnstsw %ax
 	sahf
-	jp 1b
-	fstp %st(1)
-	fsubr %st(1)
-	fstps (%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)
+        fstps (%ecx)
+        ret
+
+2:	fstps (%ecx)
+	mov (%ecx),%eax
+	and $0x80000000,%eax
+	mov %eax,4(%esp)
+	flds 4(%esp)
 	ret