f the destination operand. The remaining bytes of the destination operand are cleared.</p>
<p>For 256-bit version, the third group of 8 differences are summed to produce an unsigned word in bits[143:128] of the destination register and the fourth group of 8 differences are summed to produce an unsigned word in bits[207:192] of the destination register. The remaining words of the destination are set to 0.</p>
<p>For 512-bit version, the fifth group result is stored in bits [271:256] of the destination. The r