fpsetmask.S revision 1.2
1 /* $NetBSD: fpsetmask.S,v 1.2 2002/01/13 21:45:51 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 11 WEAK_ALIAS(fpsetmask, _fpsetmask) 12 ENTRY(_fpsetmask) 13 #else 14 ENTRY(fpsetmask) 15 #endif 16 fnstcw -4(%rsp) 17 movl -4(%rsp),%eax 18 movl %eax,%edx 19 20 notl %eax 21 andl $63,%eax 22 23 addl %eax,%edx 24 andl $63,%edi 25 subl %edi,%edx 26 movl %edx,-4(%rsp) 27 fldcw -4(%rsp) 28 ret 29
Indexes created Thu Oct 02 14:10:14 GMT 2025