发明授权
US07257696B2 Methods and apparatus for initiating and resynchronizing multi-cycle SIMD instructions 有权
用于启动和重新同步多周期SIMD指令的方法和装置

Methods and apparatus for initiating and resynchronizing multi-cycle SIMD instructions
摘要:
Techniques for adding more complex instructions and their attendant multi-cycle execution units with a single instruction multiple data stream (SIMD) very long instruction word (VLIW) processing framework are described. In one aspect, an initiation mechanism also acts as a resynchronization mechanism to read the results of multi-cycle execution. This multi-purpose mechanism operates with a short instruction word (SIW) issue of the multi-cycle instruction, in a sequence processor (SP) alone, with a VLIW, and across all processing elements (PEs) individually or as an array of PEs. A number of advantageous floating point instructions are also described.
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