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/arch (x64)

Visual Studio 2012

Specifies the architecture for code generation on x64. See also /arch (x86) and /arch (ARM).

/arch:AVX

Arguments

/arch:AVX: Enables the use of Intel Advanced Vector Extensions instructions.

Remarks

When you use /clr to compile, /arch has no effect on code generation for managed functions. /arch only affects code generation for native functions.

To set the /arch:AVX compiler option in Visual Studio

Open the Property Pages dialog box for the project. For more information, see How to: Open Project Property Pages.
Select the C/C++ folder.
Select the Command Line property page.
In the Additional options box, add /arch:AVX.

To set this compiler option programmatically

See EnableEnhancedInstructionSet.

Reference

/arch (Minimum CPU Architecture)

Compiler Options

Setting Compiler Options

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