1/*	$NetBSD: fpsetround.S,v 1.4 2011/09/30 23:42:00 christos Exp $	*/
2
3/*
4 * Written by Frank van der Linden at Wasabi Systems for NetBSD.
5 * Public domain.
6 */
7
8#include <machine/asm.h>
9
10/*
11 * XXX set both the x87 control word
12 * Applications should only set exception and round flags
13 */
14
15
16#ifdef WEAK_ALIAS
17WEAK_ALIAS(fpsetround, _fpsetround)
18ENTRY(_fpsetround)
19#else
20ENTRY(fpsetround)
21#endif
22
23	fnstcw	-4(%esp)
24	movl	-4(%esp), %edx
25	movl	%edx, %eax
26	andl	$0x00000c00, %eax
27	andl	$0xfffff3ff, %edx
28	movl	4(%esp), %ecx
29	orl	%ecx, %edx
30	movl	%edx, -4(%esp)
31	fldcw	-4(%esp)
32
33	ret
34