Ensure that Arm64 correctly handles multiplication of simd by a 64-bit scalar #106839
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Extracted from #106594 so that it can be backported to .NET 9 |
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CC. @dotnet/jit-contrib for review This fixes #106838 and will need backport |
EgorBo
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Aug 26, 2024
Yes. The issue here was specifically with multiplication by a scalar, since Arm64 handles it by extracting the separate components. For x64, we always broadcast that scalar to a vector and then use a vectorized implementation instead, not extracting. -- The test is notably also xplat, not Arm64 specific and so is also validating that x64 is correct. |
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/backport to release/9.0 |
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Started backporting to release/9.0: https://github.com/dotnet/runtime/actions/runs/10562736191 |
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This resolves #106838