1 /* Return current rounding direction. 2 Copyright (C) 1997-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library. If not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #include <fenv_libc.h> 20 21 int __fegetround(void)22__fegetround (void) 23 { 24 unsigned long fpcr; 25 26 __asm__ __volatile__("excb; mf_fpcr %0" : "=f"(fpcr)); 27 28 return (fpcr >> FPCR_ROUND_SHIFT) & 3; 29 } 30 libm_hidden_def (__fegetround) 31 weak_alias (__fegetround, fegetround) 32 libm_hidden_weak (fegetround) 33