1 /* $NetBSD: fpgetround.c,v 1.6 2012/06/24 15:26:02 christos Exp $ */ 2 3 /* 4 * Written by J.T. Conklin, Apr 10, 1995 5 * Public domain. 6 */ 7 8 #include <sys/cdefs.h> 9 #if defined(LIBC_SCCS) && !defined(lint) 10 __RCSID("$NetBSD: fpgetround.c,v 1.6 2012/06/24 15:26:02 christos Exp $"); 11 #endif /* LIBC_SCCS and not lint */ 12 13 #include "namespace.h" 14 15 #include <sys/types.h> 16 #include <ieeefp.h> 17 18 #ifdef __weak_alias 19 __weak_alias(fpgetround,_fpgetround) 20 #endif 21 22 fp_rnd 23 fpgetround(void) 24 { 25 uint32_t x; 26 27 __asm("st %%fsr,%0" : "=m" (*&x)); 28 return (x >> 30) & 0x03; 29 } 30