1 /* Copyright (C) 2000-2022 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #include <fpu_control.h> 19 #include <stdio.h> 20 21 #ifndef FPU_CONTROL 22 # define FPU_CONTROL _FPU_DEFAULT 23 #endif 24 25 static int do_test(void)26do_test (void) 27 { 28 #ifdef _FPU_GETCW 29 /* Some architectures don't have _FPU_GETCW (e.g. Linux/Alpha). */ 30 fpu_control_t cw; 31 32 _FPU_GETCW (cw); 33 34 cw &= ~_FPU_RESERVED; 35 36 if (cw != (FPU_CONTROL & ~_FPU_RESERVED)) 37 printf ("control word is 0x%lx but should be 0x%lx.\n", 38 (long int) cw, (long int) (FPU_CONTROL & ~_FPU_RESERVED)); 39 40 return cw != (FPU_CONTROL & ~_FPU_RESERVED); 41 42 #else 43 return 0; 44 #endif 45 } 46 47 #define TEST_FUNCTION do_test () 48 #include "../test-skeleton.c" 49