const math/bits.m3

5 uses

	math/bits (current package)
		bits.go#L113: const m3 = 0x00ff00ff00ff00ff // etc.
		bits.go#L285: 	x = x>>8&(m3&m) | x&(m3&m)<<8
		bits.go#L294: 	x = x>>8&(m3&m) | x&(m3&m)<<8