Matt Godbolt’s blog xania.org

Division

xania.org·22w

ARM's barrel shifter tricks

xania.org·22w

Multiplying with a constant

xania.org·22w

You can't fool the optimiser

xania.org·22w

Addressing the adding situation

xania.org·23w·Lobsters, Hacker News

Why xor eax, eax?

xania.org·23w·Lobsters, Hacker News, r/programming

Introducing the Advent of Compiler Optimisations 2025

xania.org·25w·Hacker News, Hacker News, r/cpp

CppCon 2025

xania.org·33w

CEFS: Finally Solving CE's Mount(ing) Problems

xania.org·34w

Behind the Scenes: My "How Computers Really Work" Series on Computerphile

xania.org·40w

Compiler Explorer Cost Transparency

xania.org·47w·Lobsters, Hacker News

How Compiler Explorer Works in 2025

xania.org·49w·Lobsters, Hacker News, Hacker News, r/cpp, r/programming

Blog Modernisation with Claude: A Python Makeover

xania.org·54w·Hacker News

MSVC and CE

xania.org·95w

Recording and editing Two's Complement

xania.org·268w

C++ and passing by value

xania.org·279w

CppCon 2019 Trip Report

xania.org·346w

Live streaming on YouTube

xania.org·364w

Life update

xania.org·367w

Compiler Explorer's new state storage

xania.org·403w

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