Gcc Operation Compile 200-Ish Loc at -Os: Mission Failed (badly)
Posted3 months agoActive3 months ago
godbolt.orgTechstory
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GccCompiler OptimizationC Programming
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Gcc
Compiler Optimization
C Programming
The post highlights GCC's failure to compile a 200 LOC code at -Os optimization level, sparking discussion on potential compiler bugs or code issues.
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Oct 14, 2025 at 8:29 PM EDT
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Discussion (2 comments)
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rpnxAuthor
3 months ago
Ran across this while writing the Quxlang compiler frontend. Was wondering how GCC/Clang solved this problem... turns out at least with regard to GCC... they don't!
rpnxAuthor
3 months ago
200-ish line C++ file with no user-defined templates generates around 90k assembly lines with -Os enabled.
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ID: 45586657Type: storyLast synced: 11/17/2025, 10:07:10 AM
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