[Llvm-bgq-discuss] bgclang r184137-20130617 on vesta/mira

[Hal Finkel]

----- Original Message -----
> 
> Hal
> 
> 
> Thanks for the update! The new version compilers my code fine.
> 
> 
> However, I am now encountering a wrong-code-generation issue.
> Essentially, true && false evaluates to true, but of course in
> circumstances that are more complex.
> 
> 
> I have preprocessed source code that is 1.6 MB large
> (/home/eschnett/src/vecmathlib-qpx2/test.i), but most code in there
> is unused or commented out. The resulting file, when compiled with
> bgclang++11 -O3, runs very quickly and produces just a few lines of
> output. In fact, it even runs on the front-end, producing the same
> error.

If it runs on the frontend then I suppose that it is not a QPX-related problem.

> 
> 
> How should I continue to submit a bug report on this?

You can leave the input file where it is; can you send me an e-mail describing what the output is supposed to be vs. what it is and I'll look at it now.

Thanks again,
Hal

> 
> 
> -erik
> 
> 
> 
> 
> 
> On Tue, Jun 18, 2013 at 3:00 PM, Hal Finkel < hfinkel at anl.gov >
> wrote:
> 
> 
> Hello again,
> 
> I've upgraded the installation on vesta/mira to r184137-20130617.
> This incorporates a number of new upstream bug fixes and feature
> improvements, and also some QPX-specific bug fixes (as discussed
> recently on this list). I'll specifically note that this release
> picks up an upstream change which enables some limited loop
> autovectorization (QPX generation) at -O2 (previously, there was no
> autovectorization of any kind until -O3).
> 
> The archive will the patches, build and wrapper scripts has been
> posted: https://trac.alcf.anl.gov/projects/llvm-bgq/wiki
> 
> I'd like to thank everyone again for their patience and feedback!
> 
> -Hal
> 
> --
> Hal Finkel
> Assistant Computational Scientist
> Leadership Computing Facility
> Argonne National Laboratory
> _______________________________________________
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> llvm-bgq-discuss at lists.alcf.anl.gov
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> 
> 
> 
> 
> --
> Erik Schnetter < schnetter at cct.lsu.edu >
> http://www.perimeterinstitute.ca/personal/eschnetter/

-- 
Hal Finkel
Assistant Computational Scientist
Leadership Computing Facility
Argonne National Laboratory