Accelerate additional cross platform hardware intrinsics#61649

Merged

tannergooding merged 12 commits intodotnet:mainfrom tannergooding:xplat-hwintrin

Jan 4, 2022

Commits on Jan 3, 2022

Updating Vector64/128/256.IsHardwareAccelerated to be treated as a constant and return true where supported
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Accelerate the CmpOpAll intrinsics
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Accelerate the CmpOpAny intrinsics
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Accelerate the ConverToDouble/Int32/Int64/Single/UInt32/UInt64 intrinsics
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Applying formatting patch
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Fixing ConvertToInt32 and ConvertToSingle to use the right intrinsic
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Fixing some issues and assert types are correct
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Updating ConvertToDouble and ConvertToSingle to have correct vectorized versions on x86/x64
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Ensure Vector<T>.ConvertToDouble/Single are accelerated
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Swap operands and invert immediate so the constant can be contained on blend
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Restrict ConvertToDouble(Vector128<UInt64>) tests to inputs no more than long.MaxValue
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Ensure that we create a long/ulong rather than a uint
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