[PATCH] D43441: [X86][AVX512DQ] Use packed instructions for scalar FP<->i64 conversions on 32-bit targets (PR31630)

[Elena Demikhovsky via Phabricator via llvm-commits]

delena accepted this revision.
delena added a comment.
This revision is now accepted and ready to land.

In https://reviews.llvm.org/D43441#1098588, @craig.topper wrote:

> Or we'd have to use undef for the upper elts and add a DAG combine to turn insert into undef into a broadcast if its foldable.


I think it is simpler than load folding in td. You can open a bugzilla ticket for possible optimization.


https://reviews.llvm.org/D43441