fail64("*", mul64_ssa, a, b, 12.0)
	fail64("-", sub64_ssa, a, b, -1.0)
	fail64("/", div64_ssa, a, b, 0.75)
	fail64("neg", neg64_ssa, a, b, -7)

	fail32("+", add32_ssa, c, d, 7.0)
	fail32("*", mul32_ssa, c, d, 12.0)
	fail32("-", sub32_ssa, c, d, -1.0)
	fail32("/", div32_ssa, c, d, 0.75)
	fail32("neg", neg32_ssa, c, d, -7)

	// denorm-squared should underflow to zero.