fenv-*: Avoid test failures on OpenBSD/sparc64

[Bruno Haible]

On OpenBSD 7.2/sparc64 I see these two test failures:

FAIL: test-fenv-except-tracking-2.sh
====================================

Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed: ./test-fenv-except-tracking-2 l
FAIL test-fenv-except-tracking-2.sh (exit status: 1)

FAIL: test-fenv-except-trapping-2.sh
====================================

Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 1 p l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 1 q l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 1 r l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 2 p l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 2 q l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 2 r l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 3 p l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 3 q l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 3 r l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 4 p l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 4 q l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 4 r l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 5 p l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 5 q l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 5 r l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 6 p l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 6 q l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 6 r l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 7 p l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 7 q l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 7 r l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 8 p l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 8 q l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 8 r l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 9 p l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 9 q l
Floating point exception (core dumped) 
Floating point exception (core dumped) 
Failed (got no trap): ./test-fenv-except-trapping-2 9 r l
FAIL test-fenv-except-trapping-2.sh (exit status: 1)

This patch acknowledges the problem and avoids the test failures.


2024-01-19  Bruno Haible  <bruno@clisp.org>

        fenv-*: Avoid test failures on OpenBSD/sparc64.
        * tests/test-fenv-except-tracking-2.c (main): On OpenBSD/sparc64, skip
        the 'long double' test.
        * tests/test-fenv-except-trapping-2.c (main): Skip the 'long double'
        tests also on OpenBSD/sparc64.

diff --git a/tests/test-fenv-except-tracking-2.c 
b/tests/test-fenv-except-tracking-2.c
index 9a76c8afda..2db4949882 100644
--- a/tests/test-fenv-except-tracking-2.c
+++ b/tests/test-fenv-except-tracking-2.c
@@ -66,12 +66,12 @@ main (int argc, char *argv[])
       case 'l':
         /* This test does not work on Linux/loongarch64 with glibc 2.37.
            Likewise on Linux/alpha with glibc 2.7 on Linux 2.6.26.
-           Likewise on FreeBSD 12.2/sparc and NetBSD 8.0/sparc.
+           Likewise on FreeBSD 12.2/sparc, NetBSD 8.0/sparc, OpenBSD 
7.2/sparc64.
            Likewise on OpenBSD 7.4/mips64.
            Cause unknown.  */
         #if !((__GLIBC__ >= 2 && defined __loongarch__) \
               || ((__GLIBC__ == 2 && __GLIBC_MINOR__ < 36) && defined __alpha) 
\
-              || ((defined __FreeBSD__ || defined __NetBSD__) && defined 
__sparc) \
+              || ((defined __FreeBSD__ || defined __NetBSD__ || defined 
__OpenBSD__) && defined __sparc) \
               || (defined __OpenBSD__ && defined __mips64))
         {
           volatile long double a, b;
diff --git a/tests/test-fenv-except-trapping-2.c 
b/tests/test-fenv-except-trapping-2.c
index 63f7bc67e5..57b9341f46 100644
--- a/tests/test-fenv-except-trapping-2.c
+++ b/tests/test-fenv-except-trapping-2.c
@@ -480,12 +480,12 @@ main (int argc, char *argv[])
       #endif
       /* The 'l' tests do not work on Linux/loongarch64 with glibc 2.37.
          Likewise on Linux/alpha with glibc 2.7 on Linux 2.6.26.
-         Likewise on FreeBSD 12.2/sparc and NetBSD 8.0/sparc.
+         Likewise on FreeBSD 12.2/sparc, NetBSD 8.0/sparc, OpenBSD 7.2/sparc64.
          Likewise on OpenBSD 7.4/mips64.
          Cause unknown.  */
       #if (__GLIBC__ >= 2 && defined __loongarch__) \
           || ((__GLIBC__ == 2 && __GLIBC_MINOR__ < 36) && defined __alpha) \
-          || ((defined __FreeBSD__ || defined __NetBSD__) && defined __sparc) \
+          || ((defined __FreeBSD__ || defined __NetBSD__ || defined 
__OpenBSD__) && defined __sparc) \
           || (defined __OpenBSD__ && defined __mips64)
       known_failure |= (type_arg[0] == 'l');
       #endif