Clean up ARM64 popcount
#4695
Merged
Clean up ARM64 popcount
#4695
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Honestly, what I'm doing for ARM64EC here is uneducated guess. |
StephanTLavavej
added
performance
StephanTLavavej
approved these changes
Jun 13, 2024
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I'm mirroring this to the MSVC-internal repo - please notify me if any further changes are pushed. |
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Thanks for greatly simplifying this code! 😻 ✨ 🎉 |
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It is both way simpler (don't need to use another intrinsics set) and better for codegen (as the previous version is only for 64-bits and does not take advantage of smaller parameter size).
I have not tested on actual ARM64 and ARM64EC.
Resolves #4683
Resolves #2129
Resolves llvm/llvm-project#50830