1 /* Set floating-point environment exception handling. 2 Copyright (C) 1997-2022 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 fesetexceptflag(const fexcept_t * flagp,int excepts)23fesetexceptflag (const fexcept_t *flagp, int excepts) 24 { 25 fpu_control_t fpsr; 26 fpu_control_t fpsr_new; 27 28 /* Get the current status word. */ 29 _FPU_GETCW (fpsr); 30 excepts &= FE_ALL_EXCEPT; 31 32 /* Install new raised flags. */ 33 fpsr_new = fpsr & ~(excepts << _FPU_HPPA_SHIFT_FLAGS); 34 fpsr_new |= (*flagp & excepts) << _FPU_HPPA_SHIFT_FLAGS; 35 36 /* Store the new status word. */ 37 if (fpsr != fpsr_new) 38 _FPU_SETCW (fpsr_new); 39 40 /* Success. */ 41 return 0; 42 } 43