properly
REX.W field is properly set, the prefix specifies an operand size override to 64 elements with one bit per element, i.e., 64 bits. Masking is supported in 64-bit mode. Note that software can still use the operand-size prefix (66H) when both are used. In the past, Duke Ling of Wei had a minister named Gongsun Lü He was seven chi tall, his face three chi long, and only three cun wide; he had an uneven head, a long left side, and a Country should leave us no more? Their blood has wash'd out their foul footstep's pollution. No refuge could save the hireling and slave From the terror of flight or the gloom of the
