[PATCH] D90176: [AArch64] Improve lowering of insert_vector_elt with 0.0 consts.

[Florian Hahn via Phabricator via llvm-commits]

fhahn added a comment.





================
Comment at: llvm/lib/Target/AArch64/AArch64ISelLowering.cpp:9257
+  auto *CV = dyn_cast<ConstantFPSDNode>(Op.getOperand(1));
+  if (CV && CV->isZero()) {
+    using RowTy = MVT[3];
----------------
efriedma wrote:
> I think isZero is true for -0.0?
Indeed, thanks for spotting this!


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  https://reviews.llvm.org/D90176/new/

https://reviews.llvm.org/D90176