[PATCH] D81343: [AArch64] custom lowering for i128 popcount
Shawn Landden via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sun Jun 7 13:19:33 PDT 2020
shawnl added inline comments.
================
Comment at: llvm/test/CodeGen/AArch64/popcount.ll:10
+; CHECK-NEXT: add x8, x0, #8 // =8
+; CHECK-NEXT: ld1 { v0.d }[1], [x8]
+; CHECK-NEXT: cnt v0.16b, v0.16b
----------------
efriedma wrote:
> Why are we generating two loads here? Something related to the BITCAST legalization?
Yes, it should be:
> ldr q0, [x0]
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D81343/new/
https://reviews.llvm.org/D81343
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