[PATCH] D149127: [RISCV] Add missing constraints for vwsll

[Brandon Wu via Phabricator via llvm-commits]

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Add missing early clobber and widen constraints for vector crypto instruction: vwsll


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D149127

Files:
  llvm/lib/Target/RISCV/RISCVInstrInfoZvk.td


Index: llvm/lib/Target/RISCV/RISCVInstrInfoZvk.td
===================================================================
--- llvm/lib/Target/RISCV/RISCVInstrInfoZvk.td
+++ llvm/lib/Target/RISCV/RISCVInstrInfoZvk.td
@@ -138,7 +138,8 @@
   def  VREV8_V  : VALUVs2<0b010010, 0b01001, OPMVV, "vrev8.v">;
   defm VROL_V   : VALU_IV_V_X<"vrol", 0b010101>;
   defm VROR_V   : VROR_IV_V_X_I<"vror", 0b010100>;
-  defm VWSLL_V  : VALU_IV_V_X_I<"vwsll", 0b110101, uimm5>;
+  let Constraints = "@earlyclobber $vd", RVVConstraint = WidenV in
+    defm VWSLL_V  : VALU_IV_V_X_I<"vwsll", 0b110101, uimm5>;
 } // Predicates = [HasStdExtZvbb]
 
 let Predicates = [HasStdExtZvbc] in {


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