}
			}
		}

		if !ok {
			s.Fatalf("weird float conversion %v -> %v", ft, tt)
		}
		op1, op2, it := conv.op1, conv.op2, conv.intermediateType

		if op1 != ssa.OpInvalid && op2 != ssa.OpInvalid {
			// normal case, not tripping over unsigned 64
			if op1 == ssa.OpCopy {
				if op2 == ssa.OpCopy {
					return v
				}
				return s.newValueOrSfCall1(op2, tt, v)
			}