1 files changed, 7 insertions, 0 deletions
diff --git a/vm/compiler/codegen/arm/Thumb2/Gen.cpp b/vm/compiler/codegen/arm/Thumb2/Gen.cpp
index ea6454779..950da906c 100644
--- a/vm/compiler/codegen/arm/Thumb2/Gen.cpp
+++ b/vm/compiler/codegen/arm/Thumb2/Gen.cpp
@@ -453,3 +453,10 @@ static void genMultiplyByTwoBitMultiplier(CompilationUnit *cUnit,
         opRegRegImm(cUnit, kOpLsl, rlResult.lowReg, rlResult.lowReg, firstBit);
     }
 }
+
+static void genMultiplyByShiftAndReverseSubtract(CompilationUnit *cUnit,
+        RegLocation rlSrc, RegLocation rlResult, int lit)
+{
+    newLIR4(cUnit, kThumb2RsbRRR, rlResult.lowReg, rlSrc.lowReg, rlSrc.lowReg,
+            encodeShift(kArmLsl, lit));
+}