[PATCH] D63373: [X86] Use vmovq for v4i64/v4f64/v8i64/v8f64 vzmovl.

Fri Jun 21 03:35:44 PDT 2019

RKSimon added a comment.

In D63373#1546183 <https://reviews.llvm.org/D63373#1546183>, @craig.topper wrote:

> I think those titles were based on what I thought we were doing. I was probably confused by v4i64/v8i64 using blend without noticing v2i64 isn’t. I think movq is available on ports 0/1/5 on Sandy Bridge.

LGTM - I can't find a case where MOVQ is worse than VBLEND/VPBLEND - please can you update PR34876 and PR34874 to make that clear.

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https://reviews.llvm.org/D63373