Add rotate-right instruction to hydrogen and use it instead of bitwise operations

src/arm/simulator-arm.cc

Index: src/arm/simulator-arm.cc
diff --git a/src/arm/simulator-arm.cc b/src/arm/simulator-arm.cc
index 5b8ba2adae0d5178145ef523691f11033a602ecf..5cdba9c467a65c1b23862ccbf3638837784152a6 100644
--- a/src/arm/simulator-arm.cc
+++ b/src/arm/simulator-arm.cc
@@ -1459,7 +1459,14 @@ int32_t Simulator::GetShiftRm(Instruction* instr, bool* carry_out) {
       }
 
       case ROR: {
-        UNIMPLEMENTED();
+        if (shift_amount == 0) {
+          *carry_out = c_flag_;
+        } else {
+          uint32_t left = static_cast<uint32_t>(result) >> shift_amount;
+          uint32_t right = static_cast<uint32_t>(result) << (32 - shift_amount);
+          result = right | left;
+          *carry_out = (static_cast<uint32_t>(result) >> 31) != 0;
+        }
         break;
       }