1/* $NetBSD: fpsetmask.S,v 1.4 2002/01/13 21:45:43 thorpej Exp $ */ 2 3/* 4 * Written by Charles M. Hannum, Apr 9, 1995 5 * Public domain. 6 */ 7 8#include <machine/asm.h> 9 10#ifdef WEAK_ALIAS 11WEAK_ALIAS(fpsetmask, _fpsetmask) 12ENTRY(_fpsetmask) 13#else 14ENTRY(fpsetmask) 15#endif 16 subl $4,%esp 17 18 fnstcw (%esp) 19 movl (%esp),%eax 20 movl %eax,%edx 21 22 notl %eax 23 andl $63,%eax 24 25 addl %eax,%edx 26 movl 8(%esp),%ecx 27 andl $63,%ecx 28 subl %ecx,%edx 29 movl %edx,(%esp) 30 fldcw (%esp) 31 32 addl $4,%esp 33 ret 34