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Date: Tue, 8 Sep 2015 23:52:57 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: Large stack alignment
On 2015-09-08 22:11, magnum wrote:
> On 2015-09-08 21:45, magnum wrote:
>> All this is exactly what we've seen so far IRL in Jumbo. All problems
>> we've had was aligned declarations local to a parallel for.
>>
>> Also, I do not see *any* problem using gcc-4.9.2 (only OSX tested as of
>> yet). I'll dig into their list of changes (but I already googled this so
>> much it would be strange if I missed it).
>>
>> I'll do some more tests on various systems and compilers. Jim, please
>> test under Cygwin and, if possible, under MinGW64. Several google hits
>> indicate problem is (or was) worse under MinGW64.
>
> gcc 4.4, 4.5 and 4.6 (bull) shows the same problems and same workaround
> (using function).
> gcc 4.4.7 (super) shows the same problems and same workaround (using
> function).
> gcc 4.8.3 (well) shows the same problems and same workarounds (function
> or vtype).
> gcc 4.9.1 (super) shows the same problems and same workarounds.
Oh, and icc 14.0.0 (super) does not have the problem at all.
> This indicates the problem was fixed between 4.9.1 and 4.9.2.
>
> The only thing I find in changes between 4.9.1 and 4.9.2 is
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63530 (in case this is a
> variant of the problem).
magnum
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