Showing results for Floating Point - C++ Team Blog

Dec 14, 2021
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The /fp:contract flag and changes to FP modes in VS2022

Gautham Beeraka (Intel Americas Inc)
Gautham Beeraka (Intel Americas Inc)

The /fp:contract flag and changes to FP modes in VS2022 In this blog we will cover a new feature we have added to the MSVC version 17.0 compiler in VS2022 that impacts the generation of Floating-Point contractions such as Fused Multiply Add (FMA) instructions. We will cover how FMA contractions are supported in pre-VS2022 MSVC compiler releases, a...

C++performance
Dec 13, 2021
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Microsoft Visual Studio 2022 and Floating-point to Integer Conversions

John Morgan (Intel Corporation)
John Morgan (Intel Corporation)

Microsoft Visual Studio 2022 and Floating-point to Integer Conversions Quick Summary: See also the MSDN documentation on /fpcvt here. Introduction As some of you may be aware, Microsoft Visual Studio 2019 changed some floating-point to integer conversions for Intel Architecture (IA). When targeting 32-bit...

C++
Nov 2, 2009
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Visual C++ Code Generation in Visual Studio 2010

Visual CPP Team
Visual CPP Team

Hello, I’m Ten Tzen, a Compiler Architect on the Visual C++ Compiler Code Generation team. Today, I’m going to introduce some noteworthy improvements in Visual Studio 2010.  Faster LTCG Compilation:  LTCG (Link Time Code Generation) allows the compiler to perform better optimizations with information on all modules in the prog...

C++