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Question about Parallel Instruction in CLA (TMS320F28035)

Frank H Zhang
Expert 1515 points
Other Parts Discussed in Thread: TMS320F28035

Hi,

I am studying CLA of TMS320F28035.

I was wondering in what kind of situations that the Parallel Instruction is not recommended, OR what should I be aware of when using parallel instruction?

Thanks,

Frank

  • 0
    TI__Mastermind 20850 points

    Hi Frank,

    As far as I know there is no down side to using the parallel instructions. We use them extensively in filter operations or anything using convolution or correlation. The only concern is if you are using parallel moves to/from memory, be sure to include sufficient delay slots if reading or writing back to the same memory. The pipeline is not protected so you may end up doing the operations out of order.