1 /* $NetBSD: fpgetsticky.c,v 1.5 2012/03/23 09:34:09 skrll Exp $ */ 2 3 /* $OpenBSD: fpgetsticky.c,v 1.3 2002/10/21 18:41:05 mickey Exp $ */ 4 5 /* 6 * Written by Miodrag Vallat. Public domain 7 */ 8 9 #include <sys/cdefs.h> 10 #if defined(LIBC_SCCS) && !defined(lint) 11 __RCSID("$NetBSD: fpgetsticky.c,v 1.5 2012/03/23 09:34:09 skrll Exp $"); 12 #endif /* LIBC_SCCS and not lint */ 13 14 #include <sys/types.h> 15 #include <ieeefp.h> 16 17 fp_except fpgetsticky(void)18fpgetsticky(void) 19 { 20 uint64_t fpsr; 21 22 __asm volatile("fstd %%fr0,0(%1)" : "=m" (fpsr) : "r" (&fpsr)); 23 return ((fp_except)(fpsr >> 59) & 0x1f); 24 } 25