minix/lib/nbsd_libc/arch/i386/gen/fpsetmask.S
Gianluca Guida b6cbf7203b Import unmodified NetBSD libc in trunk
This patch imports the unmodified current version of NetBSD libc.
The NetBSD includes are in /nbsd_include, while the libc code itself is 
split between lib/nbsd_libc and common/lib/libc.
2011-02-14 19:36:03 +00:00

33 lines
475 B
ArmAsm

/* $NetBSD: fpsetmask.S,v 1.4 2002/01/13 21:45:43 thorpej Exp $ */
/*
* Written by Charles M. Hannum, Apr 9, 1995
* Public domain.
*/
#include <machine/asm.h>
#ifdef WEAK_ALIAS
WEAK_ALIAS(fpsetmask, _fpsetmask)
ENTRY(_fpsetmask)
#else
ENTRY(fpsetmask)
#endif
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