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ARM Compiler 6 - Optimization guidelines

ToddS

In the V5 to V6 compiler migration document is the following with respect to optimzations

-O0 No Optimization. Not recommended for use in ARM Compiler 6.6

-O1 Limited Optimization. This is currently the recommended level for source level debugging.

I would like to know why -O0 is not recommended. I find -O1 has optimizations which affect breakpoints and single-stepping through code in a sane manner.

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