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Date: Tue, 17 Mar 2015 00:23:43 +0300
From: Solar Designer <>
Subject: Re: interleaved bitslice? (was: bitslice MD*/SHA*, AVX2)

On Thu, Mar 12, 2015 at 08:37:01AM +0100, magnum wrote:
> When trying that with a vector size of 64, I trigger an ICE.
> md5slice.c: In function 'II.constprop':
> md5slice.c:331:27: internal compiler error: in emit_move_insn, at
> expr.c:3609
>  static MAYBE_INLINE3 void II(a, b, c, d, x, s, ac)
>                            ^
> md5slice.c:331:27: internal compiler error: Abort trap: 6
> gcc: internal compiler error: Abort trap: 6 (program cc1)
> That's with gcc-4.9.2 on OSX and it happens with -mavx2 too. I get a
> similar but not identical ICE on well. Maybe this should be reported.

Impressively quick fix by Jakub Jelinek:

I'll try not to forget to retest on the next GCC 5 snapshot.


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