System.Runtime.Intrinsics

Contains types used to create and convey register states in various sizes and formats for use with instruction-set extensions. Also exposes select instruction-set extensions for various architectures (x86, Arm, Wasm).

Documentation can be found here: https://learn.microsoft.com/dotnet/api/system.runtime.intrinsics.

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Source

• Vector64/128/256/512: ../System.Private.CoreLib/src/System/Runtime/Intrinsics
• Arm intrinsics: ../System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm
• Wasm intrinsics: ../System.Private.CoreLib/src/System/Runtime/Intrinsics/Wasm
• x86 intrinsics: ../System.Private.CoreLib/src/System/Runtime/Intrinsics/x86

Tests

• Vector64/128/256/512: ./tests/Vectors
• JIT integration: ../../tests/JIT/HardwareIntrinsics
• Everything else: ./tests

Deployment

System.Runtime.Intrinsics is included in the shared framework.