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TMS320F28066: different compiler same code

Ben Qin
Intellectual 2690 points
Part Number: TMS320F28066


Hi Team,

There's an issue from the cusotmer need your help:

Using CCS10.4(compiler V20.2.7) and CCS6.1(compiler V6.4.2) to compile same code, comparing their .map file find that v20.2.7 compiler have bigger .text section than compiler v6.4.2 about 1k size bigger. Why is this happening?

Could you help check this case?

Thanks & Regards,

Ben

  • 0
    TI__Expert 4880 points

    Hi Ben,

    The two versions of the compiler are several years apart and so that are bound to be fluctuations in the size.  In your case, I don't have a comprehensive view of the size differences other than what I see in this screenshot.  What optimization level is being used to build each set of code?  Code optimized for performance (or not optimized at all) may vary at the expense of code size.

    Thanks,

    -Alan