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compilers13 min read

Chasing a -O2 pessimization in antcc

Recently I was benchmarking the generated code efficiency for my C compiler antcc, and I noticed something concerning in a simple Lua benchmark:

By 386s.org by lemonLobsters
Chasing a -O2 pessimization in antcc

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Originally published by Lobsters on Oct 13, 2026.

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