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by groby_b
4699 days ago
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Yeah. Sure. Especially across libraries. If you're talking to a dev with a background in firmware dev, I'd say you'd be hard pressed to find any body who'll put a single asm instruction into a separate function if it's speed-critical. Sure, the compiler might (and probably will) inline, but it means any change in your tool chain or a whim of the inline heuristic can cause serious performance regressions that are completely avoidable. When it comes to performance, the embedded mindset will always be "belt and suspenders" ;) |
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