diff --git a/libm/i387/e_log10f.S b/libm/i387/e_log10f.S
new file mode 100644
index 0000000..2dd6708
--- /dev/null
+++ b/libm/i387/e_log10f.S
@@ -0,0 +1,15 @@
+/*
+ * Written by J.T. Conklin <jtc@netbsd.org>.
+ * Public domain.
+ */
+
+#include <machine/asm.h>
+
+__FBSDID("$FreeBSD: src/lib/msun/i387/e_log10f.S,v 1.2 2005/02/04 14:08:32 das Exp $");
+/* RCSID("$NetBSD: e_log10f.S,v 1.1 1996/07/03 16:50:22 jtc Exp $") */
+
+ENTRY(log10f)
+	fldlg2
+	flds	4(%esp)
+	fyl2x
+	ret