| 摘要 |
A register data store 20 is provided within a data processing system 2. The register data store 20 may be accessed via registers for which a data processing instruction specifies a register size Q, D and a data element size S16, S8 for the multiple SIMD data elements to be manipulated by that data processing instruction. A given data processing element may be accessed via different registers depending upon the mapping between the register specifier, the register size and the data element size to a particular location within the register data store 20.
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