[LLVMdev] LLVM/Clang on Sparc64

[Venkatraman Govindaraju]

On Sun, Feb 2, 2014 at 10:35 PM, Bill Wendling <isanbard at gmail.com> wrote:
> 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!!
>

Committed as r200699.

> -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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>
>