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diff --git a/sysdeps/libm-i387/s_sincosf.S b/sysdeps/libm-i387/s_sincosf.S
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+/* Compute sine and cosine of argument.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <machine/asm.h>
+
+ENTRY(__sincosf)
+	flds	4(%esp)
+	fsincos
+	movl	8(%esp), %ecx
+	movl	12(%esp), %edx
+	fnstsw	%ax
+	testl	$0x400,%eax
+	jnz	1f
+	fstps	(%edx)
+	fstps	(%ecx)
+	ret
+	.align ALIGNARG(4)
+1:	fldpi
+	fadd	%st(0)
+	fxch	%st(1)
+2:	fprem1
+	fnstsw	%ax
+	testl	$0x400,%eax
+	jnz	2b
+	fstp	%st(1)
+	fsincos
+	fstps	(%edx)
+	fstps	(%ecx)
+	ret
+END(__sincosf)
+weak_alias(__sincosf, sincosf)