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Apparatus and method to reverse and permute bits in a mask register
Apparatus and method to reverse and permute bits in a mask register
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机译:反转和置换掩码寄存器中的位的设备和方法
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摘要
An apparatus and method are described for performing a bit reversal and permutation on mask values. For example, a processor is described to execute an instruction to perform the operations of: reading a plurality of mask bits stored in a source mask register, the mask bits associated with vector data elements of a vector register; and performing a bit reversal operation to copy each mask bit from a source mask register to a destination mask register, wherein the bit reversal operation causes bits from the source mask register to be reversed within the destination mask register resulting in a symmetric, mirror image of the original bit arrangement.
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