1 /* Install given floating-point control modes. AArch64 version. 2 Copyright (C) 2016-2022 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.h> 20 #include <fpu_control.h> 21 22 int fesetmode(const femode_t * modep)23fesetmode (const femode_t *modep) 24 { 25 fpu_control_t fpcr, fpcr_new; 26 _FPU_GETCW (fpcr); 27 if (modep == FE_DFL_MODE) 28 fpcr_new = (fpcr & _FPU_RESERVED) | _FPU_DEFAULT; 29 else 30 fpcr_new = *modep; 31 if (fpcr != fpcr_new) 32 _FPU_SETCW (fpcr_new); 33 return 0; 34 } 35