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-rw-r--r--src/math/i386/log1p.s15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/math/i386/log1p.s b/src/math/i386/log1p.s
new file mode 100644
index 00000000..9971e53c
--- /dev/null
+++ b/src/math/i386/log1p.s
@@ -0,0 +1,15 @@
+.global log1p
+.type log1p,@function
+log1p:
+	mov 8(%esp),%eax
+	fldln2
+	and $0x7fffffff,%eax
+	fldl 4(%esp)
+	cmp $0x3fd28f00,%eax
+	ja 1f
+	fyl2xp1
+	ret
+1:	fld1
+	faddp
+	fyl2x
+	ret