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Thread: Apple, LLVM Developers Figure Out Their 64-Bit ARM Approach

  1. #1
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    Default Apple, LLVM Developers Figure Out Their 64-Bit ARM Approach

    Phoronix: Apple, LLVM Developers Figure Out Their 64-Bit ARM Approach

    Two weeks ago Apple open-sourced their 64-bit ARM back-end to LLVM. Following last week's EuroLLVM meeting, they have decided that the community's existing open-source 64-bit ARM back-end will likely be merged into Apple's now-public back-end...

    http://www.phoronix.com/vr.php?view=MTY2NDM

  2. #2
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    Are there any details on why ARM64 was chosen as the merge target? It seems Aarch64 has wider use outside Apple, but ARM64 probably have had more dedicated development at Apple and therefore better optimized to the best-selling Aarch64 design; but are there any specifics that would make one better as a merge target than the other?

  3. #3
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    Quote Originally Posted by carewolf View Post
    Are there any details on why ARM64 was chosen as the merge target? It seems Aarch64 has wider use outside Apple, but ARM64 probably have had more dedicated development at Apple and therefore better optimized to the best-selling Aarch64 design; but are there any specifics that would make one better as a merge target than the other?
    This is covered extensively on the mailing list. It wasn't just a random decision.

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