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author | cvs2svn <admin@example.com> | 2025-04-14 17:32:06 +0000 |
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committer | cvs2svn <admin@example.com> | 2025-04-14 17:32:06 +0000 |
commit | eb8dd9dca1228af0cd132f515509051ecfabf6f6 (patch) | |
tree | edb6da6af7e865d488dc1a29309f1e1ec226e603 /src/regress/lib/libc/setjmp-fpu/fpu.c | |
parent | 247f0352e0ed72a4f476db9dc91f4d982bc83eb2 (diff) | |
download | openbsd-tb_20250414.tar.gz openbsd-tb_20250414.tar.bz2 openbsd-tb_20250414.zip |
This commit was manufactured by cvs2git to create tag 'tb_20250414'.tb_20250414
Diffstat (limited to 'src/regress/lib/libc/setjmp-fpu/fpu.c')
-rw-r--r-- | src/regress/lib/libc/setjmp-fpu/fpu.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/src/regress/lib/libc/setjmp-fpu/fpu.c b/src/regress/lib/libc/setjmp-fpu/fpu.c deleted file mode 100644 index e585702887..0000000000 --- a/src/regress/lib/libc/setjmp-fpu/fpu.c +++ /dev/null | |||
@@ -1,53 +0,0 @@ | |||
1 | /* $OpenBSD: fpu.c,v 1.3 2021/06/17 12:55:38 kettenis Exp $ */ | ||
2 | |||
3 | #include <err.h> | ||
4 | #include <fenv.h> | ||
5 | #include <stdlib.h> | ||
6 | |||
7 | int | ||
8 | main(int argc, char *argv[]) | ||
9 | { | ||
10 | fexcept_t flag; | ||
11 | int rv; | ||
12 | |||
13 | /* Set up the FPU control word register. */ | ||
14 | rv = fesetround(FE_UPWARD); | ||
15 | if (rv != 0) | ||
16 | errx(2, "fesetround FE_UPWARD returned %d", rv); | ||
17 | fedisableexcept(FE_ALL_EXCEPT); | ||
18 | feenableexcept(FE_DIVBYZERO); | ||
19 | |||
20 | /* Set the FPU exception flags. */ | ||
21 | flag = FE_OVERFLOW; | ||
22 | rv = fesetexceptflag(&flag, FE_ALL_EXCEPT); | ||
23 | if (rv != 0) | ||
24 | errx(2, "fesetexceptflag returned %d", rv); | ||
25 | |||
26 | /* Schedule another process, to check if kernel preserves state. */ | ||
27 | rv = system("true"); | ||
28 | if (rv == -1) | ||
29 | err(2, "system"); | ||
30 | if (rv != 0) | ||
31 | errx(2, "true: %d", rv); | ||
32 | |||
33 | /* Verify that the FPU control word is preserved. */ | ||
34 | rv = fegetround(); | ||
35 | if (rv != FE_UPWARD) | ||
36 | errx(1, "fegetround returned %d, not FE_UPWARD", rv); | ||
37 | #if !defined(__arm__) && !defined(__aarch64__) && !defined(__riscv) | ||
38 | rv = fegetexcept(); | ||
39 | if (rv != FE_DIVBYZERO) | ||
40 | errx(1, "fegetexcept returned %d, not FE_DIVBYZERO", | ||
41 | rv); | ||
42 | #endif | ||
43 | |||
44 | /* Verify that the FPU exception flags weren't clobbered. */ | ||
45 | flag = 0; | ||
46 | rv = fegetexceptflag(&flag, FE_ALL_EXCEPT); | ||
47 | if (rv != 0) | ||
48 | errx(2, "fegetexceptflag returned %d", rv); | ||
49 | if (flag != FE_OVERFLOW) | ||
50 | errx(1, "except flag is %d, no FE_OVERFLOW", rv); | ||
51 | |||
52 | return (0); | ||
53 | } | ||