This post provides a behind-the-scenes look at how we test MSVC‘s backend, which is responsible for optimization and code generation. Many people worldwide use our compiler and expect it to provide a high-quality experience in terms of correctness (compiled…

As we approach delivery of Visual Studio 2022 v17.9, the MSVC toolset version is 14.39. In Visual Studio 2022 version 17.10, the MSVC Toolset minor version will continue with 14.40 and continue incrementing in the ‘14.4x’ series. The file version and directories…

GitHub Copilot Chat is now available in both Visual Studio and Visual Studio Code when you have an active subscription to the service. Copilot Chat is your AI pair-programmer that allows you to speak in plain text through the chat interface to accomplish…

The MSVC compiler adds support for OpenMP "collapse" feature on for loops.

As we enter the new year, it’s a good time to look back at all the features and improvements we made for C++ developers in our tools in 2023. We’ve made advancements across Visual Studio, Visual Studio Code, our toolchain, and the vcpkg package manager in…

The February release of the CMake Tools extension in VS Code is now available. With this release, we have three major new updates to the extension, including some of our highly upvoted requests: There is now support for CMake Presets v6,

We are happy to announce that Visual Studio 2022 version 17.9 is now generally available! This post summarizes the new features you can find in this release for C++. You can download Visual Studio 2022 from the Visual Studio downloads page or upgrade your…

Since Visual Studio 2022 version 17.3, we have continued to improve the C++ backend with new features, improved support for arm64 and OpenMP, and new and improved optimizations across all architectures.

Rainer Grimm joins Timur and Phil. Rainer talks to us about what he has learnt from many years of teaching C++ as a professional trainer, how training has become more accessible now more people are taking it online, and his thoughts on modern C++.

Patrick Quist joins Phil and Timur. Patrick chats with us about their work on the Compiler Explorer team and how they got into it. We explore some useful features that may not be as widely known, and take a peek under the hood at how it all runs.

For operands in asm statements, GCC has supported the constraints "i" and "s" for a long time (since at least 1992). 1234567891011// gcc/common.md(define_constraint "i" "Matches a gene

This article describes some notes about z/Architecture with a focus on the ELF ABI and ELF linkers. An lld/ELF patch sparked my motivation to study the architecture and write this post. z/Architecture

LLVM 18 will be released. As usual, I maintain lld/ELF and have added some notes to https://github.com/llvm/llvm-project/blob/release/18.x/lld/docs/ReleaseNotes.rst. I've meticulously reviewed nearly

This article describes ABI and toolchain considerations about systems without a Memory Management Unit (MMU). We will focus on FDPIC and the in-development FDPIC ABI for RISC-V, with updates as I delv

LLVM 18 will soon be relased. This post provides a summary of my contributions in this release cycle to record my learning progress.

Polymorphism is a powerful programming language feature. In polymorphism, we have generic functions that don’t know exactly what type of data they will be operating on. Often, the data types won’t even all have been designed yet when the generic function…

We are releasing new light and dark mode Qt Creator themes this year, and would love to hear some feedback from you!

В среду, 20 марта, собираемся на бесплатном митапе в Санкт-Петербурге — очно и онлайн. Константин Владимиров расскажет о цене абстракции, а разработчик ядра анализатора кода в PVS-Studio Евгений...

Discover how Qt and Panasonic Automotive are partnering to enable the software-defined vehicle. With Virtual SkipGen and cloud-based hardware, developers can design, develop, and test applications with ease.