blob: 1b47e8c36970f5a8304d42a43043c194232e9fd8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
/* $OpenBSD: fpsetmask.S,v 1.3 2005/08/07 11:30:38 espie Exp $ */
/*
* Written by Charles M. Hannum, Apr 9, 1995
* Public domain.
*/
#include <machine/asm.h>
ENTRY(fpsetmask)
subl $4,%esp
fnstcw (%esp)
movl (%esp),%eax
movl %eax,%edx
notl %eax
andl $63,%eax
addl %eax,%edx
movl 8(%esp),%ecx
andl $63,%ecx
subl %ecx,%edx
movl %edx,(%esp)
fldcw (%esp)
addl $4,%esp
ret
|
