-O0 is unnecessarily bloated (can do lots of unnecessary load data to reg, save ... | Hacker News

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		gggggggggg554fh on March 2, 2021 \| parent \| context \| favorite \| on: How to Read Assembly Language -O0 is unnecessarily bloated (can do lots of unnecessary load data to reg, save to stack, load back same reg again) which also makes it hard to read. I find -Og (on gcc) or -O1 to be the sweet spot.

29athrowaway on March 2, 2021 [–]

Yes, but it is a starting point. You first learn to crawl, then walk, then run. You don't start running right away.

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