Method for shuffling byte nepit data
A bit data, inner bit technology, applied in the field of bit data shuffling within bytes, can solve the problem of no bytes, and achieve the effect of improving execution speed and reducing the number of instructions
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[0015] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.
[0016] figure 1 It is a schematic diagram of the bit data shuffling operation in the byte in the specific implementation manner of the present invention. like figure 1 As shown, the configuration register VR16 is a 256-bit vector register, which can store 32 8-bit data, and the two source registers Rm and Rn and the destination register Rd are 32-bit scalar registers, which can store 32 1-bit data.
[0017] First, store the bit data to be shuffled into two source registers Rm and Rn, the data of the two source registers Rm and Rn are combined and sorted together, and the position is represented by 8-bit data.
[0018] Secondly, from the 64 1-bit data to be shuffled in the two source registers Rm and Rn, select the same number as the number of data that can be stored in the configuration register V...
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