[PATCH] D120571: [CGP, AArch64] Replace zexts with shuffle that can be lowered using tbl.
Florian Hahn via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Sep 15 06:40:17 PDT 2022
fhahn marked an inline comment as done.
fhahn added inline comments.
================
Comment at: llvm/lib/Target/AArch64/AArch64ISelLowering.cpp:13258
+
+ // Convert 'zext <(8|16) x i8> %x to <(8|16) x i8>' to a shuffle that can be
+ // lowered to either 2 or 4 tbl instructions to insert the original i8
----------------
t.p.northover wrote:
> Destination type seems wrong.
Thanks, should be fixed; updated to i32.
Repository:
rG LLVM Github Monorepo
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https://reviews.llvm.org/D120571/new/
https://reviews.llvm.org/D120571
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