[PATCH] D81343: [AArch64] custom lowering for i128 popcount

Eli Friedman via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sun Jun 7 12:46:55 PDT 2020


efriedma added a comment.

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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
----------------
Why are we generating two loads here?  Something related to the BITCAST legalization?


Repository:
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https://reviews.llvm.org/D81343





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