1 /* Determine floating-point rounding mode within libc. ARC version. 2 Copyright (C) 2020-2022 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 #ifndef _ARC_GET_ROUNDING_MODE_H 20 #define _ARC_GET_ROUNDING_MODE_H 1 21 22 #include <fenv.h> 23 #include <fpu_control.h> 24 25 static inline int get_rounding_mode(void)26get_rounding_mode (void) 27 { 28 #if defined(__ARC_FPU_SP__) || defined(__ARC_FPU_DP__) 29 unsigned int fpcr; 30 _FPU_GETCW (fpcr); 31 32 return (fpcr >> __FPU_RND_SHIFT) & __FPU_RND_MASK; 33 #else 34 return FE_TONEAREST; 35 #endif 36 } 37 38 #endif /* get-rounding-mode.h */ 39