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Date: Sat, 5 Sep 2015 20:48:13 +0200
From: magnum <>
Subject: Large stack alignment (was: Re: MD5 on XOP, NEON, AltiVec)

On 2015-09-05 04:47, Solar Designer wrote:
> Guess not confirmed.  We use buffers on the stack, and they are properly
> aligned for 128-bit SIMD.  This is unreliable for AVX2 and above, though.

Are you sure it's unreliable? As far as I can google it, gcc had 
problems with large alignments but it was fixed long before 4.7, which 
is the minimum version you need to even build for AVX2.


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