NetBSD/lib/libc/arch/i386/gen/fpsetmask.S

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390 B
ArmAsm
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1998-01-09 06:45:03 +03:00
/* $NetBSD: fpsetmask.S,v 1.3 1998/01/09 03:45:05 perry Exp $ */
1995-04-10 00:33:13 +04:00
/*
* 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
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movl 8(%esp),%ecx
andl $63,%ecx
subl %ecx,%edx
movl %edx,(%esp)
fldcw (%esp)
addl $4,%esp
ret