[Mono] [x64] Add SIMD support for System.Numerics.Vector

[jkurdek]

Add SIMD support for methods from System.Numerics.Vector on x64. Will fix dotnet/perf-autofiling-issues#25809. Currently blocked by lack of AVX support.

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Issue Details

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Add SIMD support for methods from System.Numerics.Vector on x64. Will fix dotnet/perf-autofiling-issues#25809. Currently blocked by lack of AVX support.

Author:	jkurdek
Assignees:	-
Labels:	arch-x64, area-Codegen-Intrinsics-mono
Milestone:	-