X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmath%2Fi386%2Fasinf.s;h=059097532ef046a87d7316da32e27d4fe9abaa65;hb=6ae2568bc2367b4d47e0ea1cb043fd56e697912f;hp=e07bf5999cd19a57f6398aba01af76f68c6de52a;hpb=bc33e617040166e971ec1e6822ac1cc417eb6c9c;p=musl

diff --git a/src/math/i386/asinf.s b/src/math/i386/asinf.s
index e07bf599..05909753 100644
--- a/src/math/i386/asinf.s
+++ b/src/math/i386/asinf.s
@@ -1 +1,23 @@
-# see asin.s
+.global asinf
+.type asinf,@function
+asinf:
+	flds 4(%esp)
+	mov 4(%esp),%eax
+	add %eax,%eax
+	cmp $0x01000000,%eax
+	jb 1f
+	fld %st(0)
+	fld1
+	fsub %st(0),%st(1)
+	fadd %st(2)
+	fmulp
+	fsqrt
+	fpatan
+	fstps 4(%esp)
+	flds 4(%esp)
+	ret
+		# subnormal x, return x with underflow
+1:	fld %st(0)
+	fmul %st(1)
+	fstps 4(%esp)
+	ret