1 files changed, 18 insertions, 0 deletions
diff --git a/llvm/lib/Target/SystemZ/SystemZInstrFormats.td b/llvm/lib/Target/SystemZ/SystemZInstrFormats.td
index b0301821a31..24f86bca09f 100644
--- a/llvm/lib/Target/SystemZ/SystemZInstrFormats.td
+++ b/llvm/lib/Target/SystemZ/SystemZInstrFormats.td
@@ -729,6 +729,24 @@ class BinaryRRF<string mnemonic, bits<16> opcode, SDPatternOperator operator,
   let OpType = "reg";
 }
 
+class BinaryRRFK<string mnemonic, bits<16> opcode, SDPatternOperator operator,
+                 RegisterOperand cls1, RegisterOperand cls2>
+  : InstRRF<opcode, (outs cls1:$R1), (ins cls1:$R2, cls2:$R3),
+            mnemonic#"rk\t$R1, $R2, $R3",
+            [(set cls1:$R1, (operator cls1:$R2, cls2:$R3))]>;
+
+multiclass BinaryRRAndK<string mnemonic, bits<8> opcode1, bits<16> opcode2,
+                        SDPatternOperator operator, RegisterOperand cls1,
+                        RegisterOperand cls2> {
+  let NumOpsKey = mnemonic in {
+    let NumOpsValue = "3" in
+      def K : BinaryRRFK<mnemonic, opcode2, null_frag, cls1, cls2>,
+              Requires<[FeatureDistinctOps]>;
+    let NumOpsValue = "2", isConvertibleToThreeAddress = 1 in
+      def "" : BinaryRR<mnemonic, opcode1, operator, cls1, cls2>;
+  }
+}
+
 class BinaryRI<string mnemonic, bits<12> opcode, SDPatternOperator operator,
                RegisterOperand cls, Immediate imm>
   : InstRI<opcode, (outs cls:$R1), (ins cls:$R1src, imm:$I2),