040000 tree 8af64f5d1fcb054d1e8c0ec6f53e3f7e08371787	bit-count
040000 tree 0a20923bd5150d5b24b7db3be3ad8566e0cd69d3	bit-swap
040000 tree 6aa08ea50fe01d7615d20d542b119c605c804166	int-multiply
040000 tree f7fd32ae7170adb15234825efef88f5cc2096e46	logic
040000 tree 29ffe3c7faf99c253f623fe5059478fbbb4e5372	shift