1*e415d488SLionel Sambuc /* $NetBSD: fpgetmask.c,v 1.5 2012/03/23 09:34:09 skrll Exp $ */ 22fe8fb19SBen Gras 32fe8fb19SBen Gras /* $OpenBSD: fpgetmask.c,v 1.3 2002/10/21 18:41:05 mickey Exp $ */ 42fe8fb19SBen Gras 52fe8fb19SBen Gras /* 62fe8fb19SBen Gras * Written by Miodrag Vallat. Public domain 72fe8fb19SBen Gras */ 82fe8fb19SBen Gras 92fe8fb19SBen Gras #include <sys/cdefs.h> 102fe8fb19SBen Gras #if defined(LIBC_SCCS) && !defined(lint) 11*e415d488SLionel Sambuc __RCSID("$NetBSD: fpgetmask.c,v 1.5 2012/03/23 09:34:09 skrll Exp $"); 122fe8fb19SBen Gras #endif /* LIBC_SCCS and not lint */ 132fe8fb19SBen Gras 142fe8fb19SBen Gras #include <sys/types.h> 152fe8fb19SBen Gras #include <ieeefp.h> 162fe8fb19SBen Gras 172fe8fb19SBen Gras fp_except fpgetmask(void)182fe8fb19SBen Grasfpgetmask(void) 192fe8fb19SBen Gras { 202fe8fb19SBen Gras uint64_t fpsr; 212fe8fb19SBen Gras 222fe8fb19SBen Gras __asm volatile("fstd %%fr0,0(%1)" : "=m" (fpsr) : "r" (&fpsr)); 23*e415d488SLionel Sambuc return ((fp_except)(fpsr >> 32) & 0x1f); 242fe8fb19SBen Gras } 25