[Openmp-commits] [PATCH] D93169: [OpenMP] Added the support for cache line size 256 for A64FX

Shilei Tian via Phabricator via Openmp-commits openmp-commits at lists.llvm.org
Sun Jan 17 16:10:54 PST 2021


tianshilei1992 added a comment.

In D93169#2503946 <https://reviews.llvm.org/D93169#2503946>, @chandlerc wrote:

> I'm going to revert this as it breaks CMake on systems which do not have `/proc/cpuinfo` such as macOS.
>
> This may be a bit hard to see because the code isn't reached unless the architecture is `aarch64`, but on an ARM macOS system that path hits. It would also hit on other BSDs or other OSes running on AArch64 but without `/proc/cpuinfo`.
>
> For your reference, here is the error message from CMake for me:
>
>   CMake Error at /Users/chandlerc/src/llvm/llvm-project/openmp/runtime/cmake/LibompGetArchitecture.cmake:74 (file):
>     file failed to open for reading (No such file or directory):
>   
>       /proc/cpuinfo
>   Call Stack (most recent call first):
>     /Users/chandlerc/src/llvm/llvm-project/openmp/runtime/CMakeLists.txt:73 (libomp_is_aarch64_a64fx)

Will fix it right away.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D93169/new/

https://reviews.llvm.org/D93169



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