On Tue, May 27, 2014 at 6:25 AM, Peter Bergner <berg...@vnet.ibm.com> wrote:
>> On Mon, May 26, 2014 at 9:57 AM, Jakub Jelinek <ja...@redhat.com> wrote:
>> > Doesn't look like the ppc32 port would be in any worse shape than the 
>> > 64-bit
>> > one.
>> > Peter has brought a real problem, in particular the allocator now newly 
>> > relying on
>> > 2 x word size atomics which is definitely non-portable, I don't see why 
>> > the answer
>> > to that should be disable your port or build a buildbot.
>
> Right, the ppc32 results definitely show it's on par with the ppc64 results.
>
>
> On Mon, 2014-05-26 at 10:36 +0400, Konstantin Serebryany wrote:
>> Because this is my default reply to any such case. :)
>
> I hope that is a humorous reply and not a serious one.

Not really humorous. Our position is and always was:
"If you are adding support for a new architecture/platform, we
encourage you to set up a public build bot, otherwise we can not
guarantee that we will keep your code in working conditions."
https://code.google.com/p/address-sanitizer/wiki/HowToContribute


> In one of my other posts, I asked should 32-bit ports even attempt
> to use the 2 * word_size atomics.  What is the code doing such that
> it wants to use a 2 * word_size atomic?  Is it as simple as commenting
> that code out for 32-bit builds of the library or do we really have
> to support that?

Frankly, I don't remember where asan can use 2 * word_size atomic.
This might be some mistake in new code indeed.
Do you see what function calls these atomics?

--kcc

>
> Peter
>
>

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