[SystemZ] Add immediate addition involving high words
llvm-svn: 191774
diff --git a/llvm/lib/Target/SystemZ/SystemZInstrFormats.td b/llvm/lib/Target/SystemZ/SystemZInstrFormats.td
index 9ca1a8a..3b06732 100644
--- a/llvm/lib/Target/SystemZ/SystemZInstrFormats.td
+++ b/llvm/lib/Target/SystemZ/SystemZInstrFormats.td
@@ -1386,6 +1386,25 @@
let Constraints = "$R1 = $R1src";
}
+// Like BinaryRIE, but expanded after RA depending on the choice of register.
+class BinaryRIEPseudo<SDPatternOperator operator, RegisterOperand cls,
+ Immediate imm>
+ : Pseudo<(outs cls:$R1), (ins cls:$R3, imm:$I2),
+ [(set cls:$R1, (operator cls:$R3, imm:$I2))]>;
+
+// Like BinaryRIAndK, but expanded after RA depending on the choice of register.
+multiclass BinaryRIAndKPseudo<string key, SDPatternOperator operator,
+ RegisterOperand cls, Immediate imm> {
+ let NumOpsKey = key in {
+ let NumOpsValue = "3" in
+ def K : BinaryRIEPseudo<null_frag, cls, imm>,
+ Requires<[FeatureHighWord, FeatureDistinctOps]>;
+ let NumOpsValue = "2", isConvertibleToThreeAddress = 1 in
+ def "" : BinaryRIPseudo<operator, cls, imm>,
+ Requires<[FeatureHighWord]>;
+ }
+}
+
// Like CompareRI, but expanded after RA depending on the choice of register.
class CompareRIPseudo<SDPatternOperator operator, RegisterOperand cls,
Immediate imm>