s_ceilf.S revision 1.2 
1/*
2 * Written by J.T. Conklin <jtc@netbsd.org>.
3 * Public domain.
4 */
5
6#include <machine/asm.h>
7
8RCSID("$NetBSD: s_ceilf.S,v 1.3 1995/05/08 23:52:44 jtc Exp $")
9
10ENTRY(ceilf)
11	subl	$8,%esp
12
13	fstcw	4(%esp)		/* store fpu control word */
14	movw	4(%esp),%dx
15	orw	$0x0800,%dx		/* round towards +oo */
16	andw	$0xfbff,%dx
17	movw	%dx,(%esp)
18	fldcw	(%esp)		/* load modfied control word */
19
20	flds	12(%esp);		/* round */
21	frndint
22
23	fldcw	4(%esp)		/* restore original control word */
24
25	addl	$8,%esp
26	ret
27