[PATCH] D146131: [AMDGPU] Avoid constant bus limitation on V_BFE GISel pattern

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added inline comments.


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Comment at: llvm/lib/Target/AMDGPU/VOP3Instructions.td:266
   (i32 (DivergentUnaryFrag<sext> i16:$src)),
-  (i32 (V_BFE_I32_e64 $src, (S_MOV_B32 (i32 0)), (S_MOV_B32 (i32 0x10))))
+  (i32 (V_BFE_I32_e64 i16:$src, (V_MOV_B32_e32 (i32 0)), (V_MOV_B32_e32 (i32 0x10))))
 >;
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These are both inline immediate so you could just directly put the immediate in the output operands


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D146131/new/

https://reviews.llvm.org/D146131