[wasm][aot] Reenable AOT System.Runtime.Intrinsics/tests and fix problems that exposed #115204
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the crashing tests are in the range disabled by 2745546 I haven't narrowed it down more than that yet |
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The swizzle change has the potential to cause regressions, if it does I believe I can fix them but I would like to get benchmarks on this version first |
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Tagging subscribers to 'arch-wasm': @lewing |
radekdoulik
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May 5, 2025
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/ba-g changes are only in wasm paths, other failures are not related |
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This was referenced May 8, 2025
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/backport to release/9.0-staging |
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Started backporting to release/9.0-staging: https://github.com/dotnet/runtime/actions/runs/16762870848 |
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Enable System.Runtime.Intrinsics/tests in wasm smoke tests then fix the Shuffle intrinsics crash the tests exposed. See #115062 for details.
The crash would happen when a non-constant index vector was passed to the llvm shuffle intrinsic which was exposed when the ShuffleNative path was added to the tests. The PR works around it by using the swizzle intrinsic which does not require a const index vector. If this does cause a regression it we should be able to restore the original implementation when we can verify a constant index vector is being passed.
This also fixes the PackedSimd.Min/Max intrinsic implementation which had accidentally reversed min and max.
Fixes #115203