Differential D29095 Diff 86139 lib/msun/tests/fenv_test.c

Changeset View

Standalone View

lib/msun/tests/fenv_test.c

	Show First 20 Lines • Show All 386 Lines • ▼ Show 20 Lines
	*/			*/
	ATF_TC_WITHOUT_HEAD(masking);			ATF_TC_WITHOUT_HEAD(masking);
	ATF_TC_BODY(masking, tc)			ATF_TC_BODY(masking, tc)
	{			{
	struct sigaction act;			struct sigaction act;
	int except, pass, raise, status;			int except, pass, raise, status;
	unsigned i;			unsigned i;

	ATF_CHECK_EQ(0, (fegetexcept() & ALL_STD_EXCEPT));			ATF_REQUIRE_EQ(0, (fegetexcept() & ALL_STD_EXCEPT));

				/*
				* Some CPUs, e.g. AArch64 QEMU does not support trapping on FP
				* exceptions. In that case the trap enable bits are all RAZ/WI, so
				* writing to those bits will be ignored and the the next read will
				* return all zeroes for those bits. Skip the test if no floating
				* point exceptions are supported and mark it XFAIL if some are missing.
				*/
				ATF_REQUIRE_EQ(0, (feenableexcept(FE_ALL_EXCEPT)));
				except = fegetexcept();
				if (except == 0) {
				atf_tc_skip("CPU does not support trapping on floating point "
				"exceptions.");
				} else if ((except & ALL_STD_EXCEPT) != ALL_STD_EXCEPT) {
				atf_tc_expect_fail("Not all floating point exceptions can be "
				"set to trap: %#x vs %#x", except, ALL_STD_EXCEPT);
				}
				fedisableexcept(FE_ALL_EXCEPT);


	ATF_CHECK_EQ(0, (feenableexcept(FE_INVALID\|FE_OVERFLOW) & ALL_STD_EXCEPT));			ATF_CHECK_EQ(0, (feenableexcept(FE_INVALID\|FE_OVERFLOW) & ALL_STD_EXCEPT));
	ATF_CHECK_EQ((FE_INVALID \| FE_OVERFLOW), (feenableexcept(FE_UNDERFLOW) & ALL_STD_EXCEPT));			ATF_CHECK_EQ((FE_INVALID \| FE_OVERFLOW), (feenableexcept(FE_UNDERFLOW) & ALL_STD_EXCEPT));
	ATF_CHECK_EQ((FE_INVALID \| FE_OVERFLOW \| FE_UNDERFLOW), (fedisableexcept(FE_OVERFLOW) & ALL_STD_EXCEPT));			ATF_CHECK_EQ((FE_INVALID \| FE_OVERFLOW \| FE_UNDERFLOW), (fedisableexcept(FE_OVERFLOW) & ALL_STD_EXCEPT));
	ATF_CHECK_EQ((FE_INVALID \| FE_UNDERFLOW), (fegetexcept() & ALL_STD_EXCEPT));			ATF_CHECK_EQ((FE_INVALID \| FE_UNDERFLOW), (fegetexcept() & ALL_STD_EXCEPT));
	ATF_CHECK_EQ((FE_INVALID \| FE_UNDERFLOW), (fedisableexcept(FE_ALL_EXCEPT) & ALL_STD_EXCEPT));			ATF_CHECK_EQ((FE_INVALID \| FE_UNDERFLOW), (fedisableexcept(FE_ALL_EXCEPT) & ALL_STD_EXCEPT));
	ATF_CHECK_EQ(0, (fegetexcept() & ALL_STD_EXCEPT));			ATF_CHECK_EQ(0, (fegetexcept() & ALL_STD_EXCEPT));

	sigemptyset(&act.sa_mask);			sigemptyset(&act.sa_mask);
	▲ Show 20 Lines • Show All 140 Lines • Show Last 20 Lines