C++ Team Blog

The latest in C++, Visual Studio, VS Code, and vcpkg from the MSFT C++ team

February 2020 - C++ Team Blog

AVX-512 Auto-Vectorization in MSVC

February 27, 2020 Feb 27, 2020 02/27/20
Rui Zhang
In Visual Studio 2019 version 16.3 we added AVX-512 support to the auto-vectorizer of the MSVC compiler. This post will show some examples and help you enable it in your projects. What is the auto vectorizer? The compiler’s auto vectorizer analyzes loops in the user’s source code and generates vectorized code for a vectorization target ...

Custom AI-Assisted IntelliSense for your team

February 21, 2020 Feb 21, 2020 02/21/20
Nick Uhlenhuth
As you’ve been editing code, you may have noticed IntelliCode’s starred recommendations in your autocompletion lists. Our previous IntelliCode blog post explains that these smarter suggestions were machine-learned over thousands of open sourced GitHub repos. Using community knowledge is great for public APIs like the Standard ...
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Qt to support Visual Studio Linux projects

February 20, 2020 Feb 20, 2020 02/20/20
Erika Sweet
Qt is a popular cross-platform framework for application development and user interface design. Its various libraries and toolsets can be used to create, test, and deploy applications that target multiple platforms and operating systems including Linux, Windows, macOS and embedded/microcontroller systems. Qt recently announced its plan to ...

Visual Studio Code CMake Tools Extension: Multi-root workspaces and file-based API

February 7, 2020 Feb 7, 2020 02/7/20
Erika Sweet
The February 2020 update of the Visual Studio Code CMake Tools extension is now available. This release includes two of the extension’s top feature requests: file-based API support and multi-root workspaces. For a full list of this release’s improvements check out the release notes on GitHub. Multi-root workspace support The latest ...

Easily Add, Remove, and Rename Files and Targets in CMake Projects

February 6, 2020 Feb 6, 2020 02/6/20
Will Buik
It’s easier than ever to work with CMake projects in Visual Studio 2019 16.5 Preview 2. Now you can add, remove, and rename source files and targets in your CMake projects from the IDE without manually editing your CMake scripts. When you add or remove files with the Solution Explorer, Visual Studio will automatically edit your CMake project...

Code Navigation for CMake Scripts

February 6, 2020 Feb 6, 2020 02/6/20
Will Buik
Visual Studio 2019 16.5 Preview 2 makes it easy to make sense of complex CMake projects. Code navigation features such as Go To Definition and Find All References are now supported for variables, functions, and targets in CMake script files. This can be a huge timesaver because CMake projects with more than a handful of source files are often ...

JCC Erratum Mitigation in MSVC

February 4, 2020 Feb 4, 2020 02/4/20
Gautham Beeraka (Intel Americas Inc)
The content of this blog was provided by Gautham Beeraka from Intel Corporation. Intel recently announced Jump Conditional Code (JCC) Erratum which can occur in some of its processors. The MSVC team has been working with Intel to provide a software fix in the compiler to mitigate the performance impact of the microcode update that prevents ...