[Hexagon] Adding A2_sub instruction

[oota-llvm.git] / lib / Target / Hexagon / HexagonInstrInfo.td

diff --git a/lib/Target/Hexagon/HexagonInstrInfo.td b/lib/Target/Hexagon/HexagonInstrInfo.td
index 3acefd5851f8469bc547cd13b46d02e73783cc03..f06c1dcd0b1fd7cf38368b7fa34a580004669999 100644 (file)
--- a/lib/Target/Hexagon/HexagonInstrInfo.td
+++ b/lib/Target/Hexagon/HexagonInstrInfo.td
@@ -162,6 +162,7 @@ multiclass T_ALU32_3op_A2<string mnemonic, bits<3> MajOp, bits<3> MinOp,
 
 let isCodeGenOnly = 0 in
 defm add : T_ALU32_3op_A2<"add", 0b011, 0b000, 0, 1>;
+defm sub : T_ALU32_3op_A2<"sub", 0b011, 0b001, 1, 0>;
 
 // Pats for instruction selection.
 class BinOp32_pat<SDNode Op, InstHexagon MI, ValueType ResT>
@@ -169,6 +170,7 @@ class BinOp32_pat<SDNode Op, InstHexagon MI, ValueType ResT>
         (ResT (MI IntRegs:$Rs, IntRegs:$Rt))>;
 
 def: BinOp32_pat<add, A2_add, i32>;
+def: BinOp32_pat<sub, A2_sub, i32>;
 
 multiclass ALU32_Pbase<string mnemonic, RegisterClass RC, bit isNot,
                        bit isPredNew> {