cb = c - b
	cc = c + 33.0 - c
	cd = c - d
	da = d - a
	db = d - b
	dc = d - c
	dd = d + 44.0 - d
	return
}

// fpspill_ssa attempts to trigger a bug where phis with floating point values
// were stored in non-fp registers causing an error in doasm.
//
//go:noinline
func fpspill_ssa(a int) float64 {

	ret := -1.0
	switch a {
	case 0:
		ret = 1.0
	case 1:
		ret = 1.1
	case 2:
		ret = 1.2
	case 3: