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| author | Dimitry Andric <dim@FreeBSD.org> | 2021-02-09 21:06:51 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2021-02-09 21:07:05 +0000 |
| commit | ac76bc1145dd7f4476e5d982ce8f355f71015713 (patch) | |
| tree | 238f2faf0d231f25aafefbdc3c2ec863faab6bb1 /lib | |
| parent | 011b7317dbb5038a95b9b4fca050325a62f3991e (diff) | |
| download | src-ac76bc1145dd7f4476e5d982ce8f355f71015713.tar.gz src-ac76bc1145dd7f4476e5d982ce8f355f71015713.zip | |
Fix lib/msun's ctrig_test/test_inf_inputs test case with clang >= 10
This sprinkles a few strategic volatiles in an attempt to defeat clang's
optimization interfering with the expected floating-point exception
flags.
Reported by: lwhsu
PR: 244732
MFC after: 3 days
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/msun/src/s_ccoshf.c | 2 | ||||
| -rw-r--r-- | lib/msun/src/s_ctanh.c | 2 | ||||
| -rw-r--r-- | lib/msun/src/s_ctanhf.c | 2 | ||||
| -rw-r--r-- | lib/msun/tests/ctrig_test.c | 3 |
4 files changed, 3 insertions, 6 deletions
diff --git a/lib/msun/src/s_ccoshf.c b/lib/msun/src/s_ccoshf.c index 5d7a09ba5f8d..e72395c277d5 100644 --- a/lib/msun/src/s_ccoshf.c +++ b/lib/msun/src/s_ccoshf.c @@ -43,7 +43,7 @@ static const float huge = 0x1p127; float complex ccoshf(float complex z) { - float x, y, h; + volatile float x, y, h; int32_t hx, hy, ix, iy; x = crealf(z); diff --git a/lib/msun/src/s_ctanh.c b/lib/msun/src/s_ctanh.c index 88afeb50e26e..13eb9d40b678 100644 --- a/lib/msun/src/s_ctanh.c +++ b/lib/msun/src/s_ctanh.c @@ -76,7 +76,7 @@ __FBSDID("$FreeBSD$"); double complex ctanh(double complex z) { - double x, y; + volatile double x, y; double t, beta, s, rho, denom; uint32_t hx, ix, lx; diff --git a/lib/msun/src/s_ctanhf.c b/lib/msun/src/s_ctanhf.c index d2bd0b6786f0..7d375eafd2ae 100644 --- a/lib/msun/src/s_ctanhf.c +++ b/lib/msun/src/s_ctanhf.c @@ -41,7 +41,7 @@ __FBSDID("$FreeBSD$"); float complex ctanhf(float complex z) { - float x, y; + volatile float x, y; float t, beta, s, rho, denom; uint32_t hx, ix; diff --git a/lib/msun/tests/ctrig_test.c b/lib/msun/tests/ctrig_test.c index effc4cfce281..45b2b78b0416 100644 --- a/lib/msun/tests/ctrig_test.c +++ b/lib/msun/tests/ctrig_test.c @@ -248,9 +248,6 @@ ATF_TC_BODY(test_inf_inputs, tc) long double complex z, c, s; unsigned i; - if (atf_tc_get_config_var_as_bool_wd(tc, "ci", false)) - atf_tc_expect_fail("https://bugs.freebsd.org/244732"); - /* * IN CSINH CCOSH CTANH * Inf,Inf +-Inf,NaN inval +-Inf,NaN inval 1,+-0 |