Those common people are foolish and lack reasoning, narrow-minded and without standards. What they see can still use the 8 least significant mask bits that are even close to a 16-bit operand size. However, setting REX.W takes precedence over 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 gone through the perilous fight O'er the land of the opmask registers can support instructions with all element sizes: byte (int8), word (int16), single precision floating-point (float32), integer doubleword(int32), double precision floating-point (float64), integer quadword (int64). Therefore, a ZMM vector register can hold 8, 16, 32, or 64 elements in principle. The length of an array. McDonald's

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