[PATCH] D121401: [AMDGPU] Support gfx940 v_lshl_add_u64 instruction

[Jay Foad via Phabricator via llvm-commits]

foad added inline comments.


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Comment at: llvm/lib/Target/AMDGPU/VOP3Instructions.td:669
 
+// V_LSHL_ADD_U64 is a 64-bit which left-shifts the result by 0-4 (use “0” to get Add_U64).
+let SubtargetPredicate = isGFX940Plus in
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It shifts one of the operands, not the result


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D121401/new/

https://reviews.llvm.org/D121401