[LLVMdev] LLVM/Clang on Sparc64

[Anton Korobeynikov]

That's really cool! Should we add note to Release Notes?

On Sun, Feb 2, 2014 at 8:05 PM, Venkatraman Govindaraju
<venkatra at cs.wisc.edu> wrote:
> Thanks to Jakob's work on Sparcv9 ABI in Clang and recent changes to
> Sparc code generator, I am happy to announce that Clang can self host
> itself on Linux/Sparc64 and on FreeBSD/Sparc64.
>
> However, it still fails on a few unit tests and nightly tests,
> primarily due to misaligned memory accesses in the code (See bugs
> 18482, 18500, 18502, 18536, 18693). Unlike other architectures,
> misaligned loads/stores cause bus errors in Sparc.
>
> To catch bugs specific to Sparc such as the misalignment bugs, it
> would be great to get some buildbots running on Sparc machines. I see
> that there are buildbot slaves already running on Sparc machines in
> GCC compile farm (for example, gcc63, gcc64, listed at
> http://lab.llvm.org:8011/buildslaves). Is it possible to start running
> builders on them? If so, what are the procedures to do that?
>
>  Note that clang still does not work when it is build as a 32-bit
> binary, mainly due to the alignment issues in Clang. Also, Clang does
> not work out of box on Solaris/Sparc yet, due to the lack of support
> for its toolchain.
>
> Thanks,
> Venkatraman
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-- 
With best regards, Anton Korobeynikov
Faculty of Mathematics and Mechanics, Saint Petersburg State University