C55x SIMD

oscar510

Hello,

Are there any SIMD instructions available for TMS320C5502 ezDSP. I want to see if I can take advantage of them to optimize my code.

Thank you in advance.

Regards,

Oscar.

over 11 years ago

0 Archaeologist over 11 years ago

TI__Guru* 84285 points

The C5500 does not have what you're probably thinking of as "SIMD" instructions. It does have dual arithmetic (add and subtract) instructions which operate separate parts of the accumulator, and dual MAC instructions which have a bit more flexibility, but the C5500 does not have vector instructions.

0 oscar510 over 11 years ago in reply to Archaeologist

Prodigy 120 points

Thank you very much, by any chance do you have a reference for those instructions you pointed out?

0 Archaeologist over 11 years ago in reply to Archaeologist

TI__Guru* 84285 points

The C55x v3.x CPU Mnemonic Instruction Set Reference Guide

Section "Dual 16-bit Additions" pages 5-35ff.
Section "Dual 16-bit Addition and Subtraction" pages 5-42ff.
Section "Multiply and Accumulate" ff. pages 5-193ff.

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C55x SIMD