// arm64:"EXTRW",-"MOVWU"
	ret += uint64((t1 << 25) | (t2 >> 7))

	return ret
}

// no sign extension when the upper bits of the result are zero

func noSignEXT(x int) int64 {
	t1 := int32(x)

	var ret int64

	// arm64:-"MOVW"
	ret += int64(t1 & 1)

	// arm64:-"MOVW"
	ret += int64(int32(x & 0x7fffffff))

	// arm64:-"MOVH"