[LLVMdev] LLVM/Clang on Sparc64

[Bill Wendling]

On Feb 2, 2014, at 1:27 PM, Venkatraman Govindaraju <venkatra at cs.wisc.edu> wrote:

> On Sun, Feb 2, 2014 at 11:50 AM, Anton Korobeynikov
> <anton at korobeynikov.info> wrote:
>> That's really cool! Should we add note to Release Notes?
> 
> Definitely. I will add a note mentioning about this in ReleaseNotes.rst.
> 
Yes! Thank you. :-) And congrats!!

-bw

>> 
>> 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
>>> _______________________________________________
>>> LLVM Developers mailing list
>>> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
>>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>> 
>> 
>> 
>> --
>> With best regards, Anton Korobeynikov
>> Faculty of Mathematics and Mechanics, Saint Petersburg State University
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