1 /* Set given exception flags. PowerPC 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_libc.h> 20 21 int fesetexcept(int excepts)22fesetexcept (int excepts) 23 { 24 fenv_union_t u, n; 25 26 u.fenv = fegetenv_register (); 27 n.l = (u.l 28 | (excepts & FPSCR_STICKY_BITS) 29 /* Turn FE_INVALID into FE_INVALID_SOFTWARE. */ 30 | (excepts >> ((31 - FPSCR_VX) - (31 - FPSCR_VXSOFT)) 31 & FE_INVALID_SOFTWARE)); 32 if (n.l != u.l) 33 { 34 fesetenv_register (n.fenv); 35 36 /* Deal with FE_INVALID_SOFTWARE not being implemented on some chips. */ 37 if (excepts & FE_INVALID) 38 feraiseexcept (FE_INVALID); 39 } 40 41 return 0; 42 } 43