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Added Zen4 support. #50226

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Added Zen4 support. #50226

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hsradA23
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@hsradA23 hsradA23 commented Jun 20, 2023

Added feature avxifma and support for Zen4 for #50178

@gbaraldi
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Are you looing at the LLVM code for reference? If so maybe add a permalink comment to the source ;)

@hsradA23
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Yeah nah, I might need some help with this,
I added the additional features looking at this list here.

And the cpu identification is done accoring to AMD Zen4 microarchitecture is generally present in Family 19h processors with Models 10h-1Fh and Models 60h and above. from the AMD optimisation guide.

Not quiet sure what Im missing

@gbaraldi
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Yeah the list looks ok, just add that LLVM link as a comment because it's a big change.

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This got superceded by #52944. Sorry I forgot you had opened this and opened a very similar PR, but thanks for the work!

@gbaraldi gbaraldi closed this Jan 22, 2024
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