/* $NetBSD: fpsetmask.S,v 1.5 2014/05/23 02:34:19 uebayasi 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 #ifdef WEAK_ALIAS END(_fpsetmask) #else END(fpsetmask) #endif |