| 摘要 |
For increased efficiency, a digital signal processor (200) comprises a vector execution unit (203, 205) arranged to execute instructions that are to be performed on multiple data in the form of a vector, comprising a vector controller (720) arranged to determine if an instruction is a vector instruction and, if it is, inform a count register (732) arranged to hold the vector length, said vector controller being further arranged receive an issue signal and control the execution of instructions based on this issue signal, said vector execution unit being characterized in that it comprises a local queue (730) arranged to receive instructions from a program memory and to hold them in the local queue until a predefined condition is fulfilled, and that the vector controller comprises queue control means (732, 721) arranged to control the local queue. |
