[PATCH] D131018: [AArch64] A tablegen pattern to handle pmull2

[Eli Friedman via Phabricator via llvm-commits]

efriedma added inline comments.


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Comment at: llvm/test/CodeGen/AArch64/pmull-ldr-merge.ll:33
 ; CHECK-NEXT:    fmov d1, x9
-; CHECK-NEXT:    pmull v0.1q, v0.1d, v1.1d
+; CHECK-NEXT:    dup v1.2d, v1.d[0]
+; CHECK-NEXT:    pmull2 v0.1q, v0.2d, v1.2d
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Are you intentionally avoiding the variant of "dup" that takes a GPR operand (DUPv2i64gpr)?


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  https://reviews.llvm.org/D131018/new/

https://reviews.llvm.org/D131018