// amd64/v3:"SHLXL"
	s = s << y
	return s
}

func shlrx64_load(x []uint64, i int, s uint64) uint64 {
	// amd64/v3: `SHRXQ\t[A-Z]+[0-9]*, \([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*`
	s = x[i] >> i
	// amd64/v3: `SHLXQ\t[A-Z]+[0-9]*, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*`
	s = x[i+1] << s
	return s
}

func shlrx32_load(x []uint32, i int, s uint32) uint32 {