1 /* 2 * Copyright (C) 2016-2017 Andes Technology, Inc. 3 * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. 4 */ 5 6 /* Install given floating-point environment. 7 Copyright (C) 2004-2013 Free Software Foundation, Inc. 8 9 The GNU C Library is free software; you can redistribute it and/or 10 modify it under the terms of the GNU Lesser General Public 11 License as published by the Free Software Foundation; either 12 version 2.1 of the License, or (at your option) any later version. 13 14 The GNU C Library is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 Lesser General Public License for more details. 18 19 You should have received a copy of the GNU Lesser General Public 20 License along with the GNU C Library. If not, see 21 <http://www.gnu.org/licenses/>. */ 22 23 #include <fenv.h> 24 #include <fpu_control.h> 25 26 int fesetenv(const fenv_t * envp)27fesetenv (const fenv_t *envp) 28 { 29 #ifdef __NDS32_ABI_2FP_PLUS__ 30 unsigned int temp; 31 32 _FPU_GETCW (temp); 33 temp &= _FPU_RESERVED; 34 35 if (envp == FE_DFL_ENV) 36 temp |= _FPU_DEFAULT; 37 else if (envp == FE_NOMASK_ENV) 38 temp |= _FPU_IEEE; 39 else 40 temp |= envp->__fpcsr & ~_FPU_RESERVED; 41 42 _FPU_SETCW (temp); 43 44 /* Success. */ 45 return 0; 46 #else 47 48 /* Unsupported, so fail. */ 49 return 1; 50 #endif 51 } 52