While testing gmp on the riscv target I discovered a compare bug.
(t-get_d test fails in directory tests/mpq)
The code:
#include <stdio.h>
int tst(void) {
long value = 3;
return -value;
}
int main(void) {
printf ("%d\n", tst());
if (tst() > 0) printf ("error\n");
return 0;
}
prints "error" on the riscv target. The problem is that the value
returned is
converted from long to int in gen_cast and is returned as 0xfffffffd
from tst().
The compare in the main code fails because it does a long compare
instead of an int compare.
Herman
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