// arm64:"VCNT","VUADDLV"
	// s390x:"POPCNT"
	// ppc64x:"POPCNTW"
	// wasm:"I64Popcnt"
	return bits.OnesCount16(n)
}

func OnesCount8(n uint8) int {
	// s390x:"POPCNT"
	// ppc64x:"POPCNTB"
	// wasm:"I64Popcnt"
	return bits.OnesCount8(n)
}

// ----------------------- //
//    bits.ReverseBytes    //
// ----------------------- //

func ReverseBytes(n uint) uint {
	// amd64:"BSWAPQ"

		{name: "POPCNTW", argLength: 1, reg: gp11, asm: "POPCNTW"}, // number of set bits in each word of arg0 placed in corresponding word
		{name: "POPCNTB", argLength: 1, reg: gp11, asm: "POPCNTB"}, // number of set bits in each byte of arg0 placed in corresponding byte

		{name: "FDIV", argLength: 2, reg: fp21, asm: "FDIV"},   // arg0/arg1