1 /* $NetBSD: fpgetprec.S,v 1.2 2014/05/22 15:01:56 uebayasi Exp $ */ 2 3 /* 4 * Written by J.T. Conklin, Apr 4, 1995 5 * Public domain. 6 */ 7 8 #include <machine/asm.h> 9 10 /* 11 * XXX store only x87 state. If an application only uses the fp* 12 * interface, this should be in sync with the SSE mxcsr register. 13 */ 14 15 #ifdef WEAK_ALIAS 16 WEAK_ALIAS(fpgetprec, _fpgetprec) 17 ENTRY(_fpgetprec) 18 #else 19 ENTRY(fpgetprec) 20 #endif 21 fnstcw -4(%rsp) 22 movl -4(%rsp),%eax 23 rorl $8,%eax 24 andl $3,%eax 25 ret 26 #ifdef WEAK_ALIAS 27 END(_fpgetprec) 28 #else 29 END(fpgetprec) 30 #endif 31