[Bug target/92846] [ARC] gloating point compares not generating Invalid Operand

[vgupta at synopsys dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92846

--- Comment #1 from Vineet Gupta <vgupta at synopsys dot com> ---
Test case:

int f(double x, double y)
{
        return x > y;                      // expected FDCMPF (qNaN, sNaN)
}

int f2(double x, double y)
{
        return __builtin_isgreater(x, y);  // expected FDCMP (only sNan)
}