[interpreter] Reduce move operations for wide register support.

test/unittests/interpreter/register-translator-unittest.cc

Index: test/unittests/interpreter/register-translator-unittest.cc
diff --git a/test/unittests/interpreter/register-translator-unittest.cc b/test/unittests/interpreter/register-translator-unittest.cc
index 0a3bd00ef2c2f83abc3682cfdf1d91121aaf915e..15199ce8c5a1e11aec1036806674de28b93878a3 100644
--- a/test/unittests/interpreter/register-translator-unittest.cc
+++ b/test/unittests/interpreter/register-translator-unittest.cc
@@ -52,8 +52,10 @@ class RegisterTranslatorTest : public TestWithIsolateAndZone,
   bool RegisterOperandIsMovable(Bytecode bytecode, int operand_index) override {
     OperandType operand_type =
         Bytecodes::GetOperandType(bytecode, operand_index);
+
+    EXPECT_TRUE(Bytecodes::IsRegisterOperandType(operand_type));
     if (operand_type == OperandType::kReg8 ||
-        operand_type == OperandType::kReg16) {
+        operand_type == OperandType::kRegOut8) {
       if (operand_index == Bytecodes::NumberOfOperands(bytecode) - 1) {
         return true;
       }
@@ -74,7 +76,8 @@ class RegisterTranslatorTest : public TestWithIsolateAndZone,
 };
 
 const char* const RegisterTranslatorTest::kBadOperandRegex =
-    ".*OperandType::kReg8 && mover\\(\\)->RegisterOperandIsMovable.*";
+    ".*OperandType::kReg8 \\|\\| .*OperandType::kRegOut8\\) && "
+    "mover\\(\\)->RegisterOperandIsMovable.*";
 
 TEST_F(RegisterTranslatorTest, TestFrameSizeAdjustmentsForTranslationWindow) {
   EXPECT_EQ(0, RegisterTranslator::RegisterCountAdjustment(0, 0));
@@ -157,7 +160,7 @@ TEST_F(RegisterTranslatorTest, NoTranslationRequired) {
 
   Register param_reg = Register::FromParameterIndex(129, 130);
   operands[0] = param_reg.ToRawOperand();
-  translator()->TranslateInputRegisters(Bytecode::kLdar, operands, 1);
+  translator()->TranslateInputRegisters(Bytecode::kAdd, operands, 1);
   translator()->TranslateOutputRegisters();
   EXPECT_EQ(0, move_count());
 }
@@ -172,6 +175,14 @@ TEST_F(RegisterTranslatorTest, TranslationRequired) {
   EXPECT_EQ(1, move_count());
   EXPECT_TRUE(PopMoveAndMatch(local_reg_translated, window_reg));
   translator()->TranslateOutputRegisters();
+  EXPECT_EQ(1, move_count());
+  EXPECT_FALSE(PopMoveAndMatch(window_reg, local_reg_translated));
+
+  operands[0] = local_reg.ToRawOperand();
+  translator()->TranslateInputRegisters(Bytecode::kStar, operands, 1);
+  EXPECT_EQ(1, move_count());
+  EXPECT_FALSE(PopMoveAndMatch(local_reg_translated, window_reg));
+  translator()->TranslateOutputRegisters();
   EXPECT_EQ(2, move_count());
   EXPECT_TRUE(PopMoveAndMatch(window_reg, local_reg_translated));
 
@@ -181,6 +192,14 @@ TEST_F(RegisterTranslatorTest, TranslationRequired) {
   EXPECT_EQ(3, move_count());
   EXPECT_TRUE(PopMoveAndMatch(param_reg, window_reg));
   translator()->TranslateOutputRegisters();
+  EXPECT_EQ(3, move_count());
+  EXPECT_FALSE(PopMoveAndMatch(window_reg, param_reg));
+
+  operands[0] = {param_reg.ToRawOperand()};
+  translator()->TranslateInputRegisters(Bytecode::kStar, operands, 1);
+  EXPECT_EQ(3, move_count());
+  EXPECT_FALSE(PopMoveAndMatch(local_reg_translated, window_reg));
+  translator()->TranslateOutputRegisters();
   EXPECT_EQ(4, move_count());
   EXPECT_TRUE(PopMoveAndMatch(window_reg, param_reg));
 }