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Re: [Patch] Adjust diag-scans in vect-tests to fix fails on AVX/AVX2
On 12/15/2011 11:21 PM, Michael Zolotukhin wrote:
> E.g., in vect-114.c we need permutation only for reversing vector
> elements, even ssse3 isn't required for it ...
Sure.
> while in slp-perm-9 such permutation isn't enough.
Why? SSSE3 *really can* do arbitrary permutation. If you say that
isn't enough, then there's something wrong in the back end, and all
you're doing is papering over a bug.
Changing vect_perm to require AVX is wrong.
r~