[llvm-dev] Failed PPC64 compile when using Power7 loads and stores?

Jinsong Ji via llvm-dev llvm-dev at lists.llvm.org
Thu Oct 24 11:54:59 PDT 2019

No sure what do you mean by `where Clang keeps its documentation`?
In general, http://clang.llvm.org/docs/ or http://llvm.org/docs/ might be
some landing page you can start with.

If you are seeking changes in each release, yes, release notes for each
version in https://releases.llvm.org/ should be a good place .
However, that is very high level as well (and may not well maintained for
PowerPC in older releases).
I know in theory we should, but I don't think we have any existing doc that
cover every builtin changes.


Jinsong Ji (纪金松), PhD.

XL/LLVM on Power Compiler Development
E-mail: jji at us.ibm.com

From:	Jeffrey Walton <noloader at gmail.com>
To:	Jinsong Ji <jji at us.ibm.com>
Cc:	llvm-dev <llvm-dev at lists.llvm.org>
Date:	10/24/2019 02:34 PM
Subject:	[EXTERNAL] Re: [llvm-dev] Failed PPC64 compile when using
            Power7 loads and stores?

On Thu, Oct 24, 2019 at 2:22 PM Jinsong Ji <jji at us.ibm.com> wrote:
  Looks like to me that your clang is too old.

    clang version 3.8.0-2ubuntu4 (tags/RELEASE_380/final)

  clang 3.8.0 was released on 08 Mar 2016.

  While vec_xl was added in https://reviews.llvm.org/rL286455 onNov 11
  2016, which is around half an year later then 3.8.0.

  Can you please try using newer clang.


Travis does not allow an upgrade of the compiler in this instance. I
already tried.

Do you know where Clang keeps its documentation? I found
https://releases.llvm.org/3.8.1/tools/docs/UsersManual.html#powerpc, but it
lacks detail.

Thanks for your help.[attachment "graycol.gif" deleted by Jinsong

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