[llvm-dev] [RFC] [PowerPC] Removing PowerPC QPX Support

Fangrui Song via llvm-dev llvm-dev at lists.llvm.org
Thu Apr 30 12:03:08 PDT 2020

On 2020-04-29, Finkel, Hal J. via llvm-dev wrote:
>Hi, everyone,
>I would like to know if anyone is still making use of the support in the PowerPC backend for the IBM BG/Q supercomputer, including the support for its QPX vector instruction set. If you are, please reply. I'm not aware of any still-running BG/Q machines, and if no one is making use of this functionality, I propose that we remove it.
>Thanks again,
>Hal Finkel
>Lead, Compiler Technology and Programming Languages
>Leadership Computing Facility
>Argonne National Laboratory

CC Justin Hibbits who may be using QPX.

(I don't know anything about QPX.)

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