1/* $NetBSD: fpgetsticky.c,v 1.6 2012/03/17 21:35:06 martin 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 1.6 2012/03/17 21:35:06 martin 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 23extern fp_except _softfloat_float_exception_flags; 24#endif 25 26fp_except 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