[libc-commits] [PATCH] D102233: [libc] Simplifies multi implementations and benchmarks

Thu Oct 7 07:35:12 PDT 2021

gchatelet added a comment.

In D102233#3048033 <https://reviews.llvm.org/D102233#3048033>, @Abpostelnicu wrote:

> In D102233#3048032 <https://reviews.llvm.org/D102233#3048032>, @gchatelet wrote:
>
>> In D102233#3047627 <https://reviews.llvm.org/D102233#3047627>, @Abpostelnicu wrote:
>>
>>> Using clang-13, that has this changeset I encounter: clang-13: error: the clang compiler does not support '-march=native'.
>>
>> Thx for reporting @Abpostelnicu . Which CPU are you compiling for?
>
> thanks for the reply, aarch64. You can see the build <https://firefox-ci-tc.services.mozilla.com/tasks/EbKlo8qXQZaEJPR4eTeW6A/runs/0/logs/public/logs/live.log#L12979>.

I see thx.
The issue comes from the cross compilation.
We should disable host optimized targets when cross compiling as it pulls in invalid compilation flags.
I'll prepare a patch.

Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D102233/new/

https://reviews.llvm.org/D102233