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Rotation revisited: A shocking discovery about gcc’s unidirectional rotation algorithm

The Old New Thing (Raymond Chen) · 3d ago Cached

Raymond Chen explores gcc libstdc++'s rotation algorithm for random-access iterators, revealing it is fundamentally the same as the forward-iterator rotation algorithm, just viewed from a different perspective. The post is part of a series comparing rotation implementations across compilers.

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#compiler-internals

How Virtual Tables Work in the Itanium C++ ABI

Lobsters Hottest · 2026-05-26 Cached

A detailed blog post explaining how virtual tables (vtables) are implemented in the Itanium C++ ABI, covering vtable structure, mangled names, and virtual function dispatch.

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