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GCC Compilation Deep Dive: How Functions Return Values
This article explains GCC's stack memory allocation and function return mechanisms using System V AMD64 ABI. It covers three return methods: via register for scalars, hidden pointer for large structs, and multiple registers for small structs. Code examples illustrate each technique with x86_64 assembly implications.
Meridian48 take
A solid technical explainer for developers wanting to understand compiler internals, but niche for most readers.
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From Source Code to Binary: What Does GCC Actually Do? part 2 →
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