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 |
26 | do_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 (format: "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 | |