fpsetmask.S revision 1.3
11.3Sperry/* $NetBSD: fpsetmask.S,v 1.3 1998/01/09 03:45:05 perry Exp $ */ 21.3Sperry 31.1Smycroft/* 41.1Smycroft * Written by Charles M. Hannum, Apr 9, 1995 51.1Smycroft * Public domain. 61.1Smycroft */ 71.1Smycroft 81.1Smycroft#include <machine/asm.h> 91.1Smycroft 101.1SmycroftENTRY(fpsetmask) 111.1Smycroft subl $4,%esp 121.1Smycroft 131.1Smycroft fnstcw (%esp) 141.1Smycroft movl (%esp),%eax 151.1Smycroft movl %eax,%edx 161.1Smycroft 171.1Smycroft notl %eax 181.1Smycroft andl $63,%eax 191.1Smycroft 201.2Smycroft addl %eax,%edx 211.1Smycroft movl 8(%esp),%ecx 221.1Smycroft andl $63,%ecx 231.1Smycroft subl %ecx,%edx 241.1Smycroft movl %edx,(%esp) 251.1Smycroft fldcw (%esp) 261.1Smycroft 271.1Smycroft addl $4,%esp 281.1Smycroft ret 29