/* * Copyright (C) 2016-2017 Andes Technology, Inc. * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ /* Install given floating-point environment. Copyright (C) 2004-2013 Free Software Foundation, Inc. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library. If not, see <http://www.gnu.org/licenses/>. */ #include <fenv.h> #include <fpu_control.h> int fesetenv (const fenv_t *envp) { #ifdef __NDS32_ABI_2FP_PLUS__ unsigned int temp; _FPU_GETCW (temp); temp &= _FPU_RESERVED; if (envp == FE_DFL_ENV) temp |= _FPU_DEFAULT; else if (envp == FE_NOMASK_ENV) temp |= _FPU_IEEE; else temp |= envp->__fpcsr & ~_FPU_RESERVED; _FPU_SETCW (temp); /* Success. */ return 0; #else /* Unsupported, so fail. */ return 1; #endif }