[PATCH] D48725: [SLP] Vectorize bit-parallel operations with SWAR.
Clement Courbet via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Jul 2 04:52:58 PDT 2018
courbet added a comment.
In https://reviews.llvm.org/D48725#1147990, @courbet wrote:
> In https://reviews.llvm.org/D48725#1147898, @ABataev wrote:
>
> >
>
>> 2. You need to update the cost model for this kind of transformation.
>
> Thanks. This is my first change to the SLP vectorizer, do you have any pointers to documentation on how to do this ?
Actually since I only do load/store now I think this already covers it: `X86TTIImpl::getMemoryOpCost`. Am I right ?
Repository:
rL LLVM
https://reviews.llvm.org/D48725
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