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GKGyeongtae Kimindasae-scenic-route.hashnode.dev·Mar 17 · 62 min read

Zero-Cost defer in C: A Compiler Optimization Odyssey

How a Duff's device, two compilers, and one hidden LLVM flag turned a macro hack into a zero-cost abstraction. Author: Gyeongtae Kim (김경태) · codingpelican@gmail.com · github.com/coding-pelican Publ

MLMartin Lichtinmartinlicht.hashnode.dev·Apr 2, 2025 · 3 min read

/* DISABLES CODE */: When Clang warns about unreachable code

I would like to write about unreachable code in C and C++ and about the pertinent compiler warnings in this context. Sometimes, entire blocks of our C or C++ source codes are unintentionally cut off from the control flow. Consider the following demon...