[PATCH] D105853: [ISel] Expand saddsat and ssubsat via asr and xor

[Dave Green via Phabricator via llvm-commits]

dmgreen added a comment.

In D105853#2952718 <https://reviews.llvm.org/D105853#2952718>, @RKSimon wrote:

> The X86 vector changes look OK to me - we've reduced usage of variable blends (blendvps/blendvpd) which tends to be a particular bottleneck.

OK thanks. Let me know whether to remove the v2i64 case or not.


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https://reviews.llvm.org/D105853