tests/tcg/s390x: Add long-double.c

Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2022-10-21 16:09:30 +10:00
parent c432198ab0
commit 521d38ec9b
2 changed files with 25 additions and 0 deletions

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@ -26,6 +26,7 @@ TESTS+=branch-relative-long
TESTS+=noexec
TESTS+=div
TESTS+=clst
TESTS+=long-double
Z13_TESTS=vistr
$(Z13_TESTS): CFLAGS+=-march=z13 -O2

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@ -0,0 +1,24 @@
/*
* Perform some basic arithmetic with long double, as a sanity check.
* With small integral numbers, we can cross-check with integers.
*/
#include <assert.h>
int main()
{
int i, j;
for (i = 1; i < 5; i++) {
for (j = 1; j < 5; j++) {
long double la = (long double)i + j;
long double lm = (long double)i * j;
long double ls = (long double)i - j;
assert(la == i + j);
assert(lm == i * j);
assert(ls == i - j);
}
}
return 0;
}