1*5b9a4216Sskrll /* $NetBSD: fpgetround.c,v 1.5 2012/03/23 09:34:09 skrll Exp $ */ 295a63d48Schs 395a63d48Schs /* $OpenBSD: fpgetround.c,v 1.3 2002/10/21 18:41:05 mickey Exp $ */ 495a63d48Schs 595a63d48Schs /* 695a63d48Schs * Written by Miodrag Vallat. Public domain 795a63d48Schs */ 895a63d48Schs 988c3eadbSlukem #include <sys/cdefs.h> 1088c3eadbSlukem #if defined(LIBC_SCCS) && !defined(lint) 11*5b9a4216Sskrll __RCSID("$NetBSD: fpgetround.c,v 1.5 2012/03/23 09:34:09 skrll Exp $"); 1288c3eadbSlukem #endif /* LIBC_SCCS and not lint */ 1388c3eadbSlukem 1495a63d48Schs #include <sys/types.h> 1595a63d48Schs #include <ieeefp.h> 1695a63d48Schs 1795a63d48Schs fp_rnd fpgetround(void)1895a63d48Schsfpgetround(void) 1995a63d48Schs { 2095a63d48Schs uint64_t fpsr; 2195a63d48Schs 22d5e310b8Sperry __asm volatile("fstd %%fr0,0(%1)" : "=m" (fpsr) : "r" (&fpsr)); 23*5b9a4216Sskrll return ((fp_rnd)(fpsr >> 41) & 0x3); 2495a63d48Schs } 25