1 /* $NetBSD: fpgetsticky.c,v 1.7 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: fpgetsticky.c,v 1.7 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(fpgetsticky,_fpgetsticky) 20 #endif 21 22 #ifdef EXCEPTIONS_WITH_SOFTFLOAT 23 extern fp_except _softfloat_float_exception_flags; 24 #endif 25 26 fp_except fpgetsticky(void)27fpgetsticky(void) 28 { 29 uint32_t x; 30 fp_except res; 31 32 __asm("st %%fsr,%0" : "=m" (*&x)); 33 res = (x >> 5) & 0x1f; 34 35 #ifdef EXCEPTIONS_WITH_SOFTFLOAT 36 res |= _softfloat_float_exception_flags; 37 #endif 38 39 return res; 40 } 41