| Index: test/unittests/interpreter/interpreter-assembler-unittest.cc | 
| diff --git a/test/unittests/interpreter/interpreter-assembler-unittest.cc b/test/unittests/interpreter/interpreter-assembler-unittest.cc | 
| index c1be2eba763d3ae5d56e17f428bee7136a3bf1e6..ff6f14df2135925768e510dcb2a3e5c12c9f2dc5 100644 | 
| --- a/test/unittests/interpreter/interpreter-assembler-unittest.cc | 
| +++ b/test/unittests/interpreter/interpreter-assembler-unittest.cc | 
| @@ -93,10 +93,9 @@ InterpreterAssemblerTest::InterpreterAssemblerForTest::IsUnsignedByteOperand( | 
| int offset) { | 
| return IsLoad( | 
| MachineType::Uint8(), | 
| -      IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), | 
| -      IsIntPtrAdd( | 
| -          IsParameter(InterpreterDispatchDescriptor::kBytecodeOffsetParameter), | 
| -          IsIntPtrConstant(offset))); | 
| +      IsParameter(InterpreterDispatchDescriptor::kBytecodeArray), | 
| +      IsIntPtrAdd(IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset), | 
| +                  IsIntPtrConstant(offset))); | 
| } | 
|  | 
| Matcher<Node*> | 
| @@ -104,10 +103,9 @@ InterpreterAssemblerTest::InterpreterAssemblerForTest::IsSignedByteOperand( | 
| int offset) { | 
| Matcher<Node*> load_matcher = IsLoad( | 
| MachineType::Int8(), | 
| -      IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), | 
| -      IsIntPtrAdd( | 
| -          IsParameter(InterpreterDispatchDescriptor::kBytecodeOffsetParameter), | 
| -          IsIntPtrConstant(offset))); | 
| +      IsParameter(InterpreterDispatchDescriptor::kBytecodeArray), | 
| +      IsIntPtrAdd(IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset), | 
| +                  IsIntPtrConstant(offset))); | 
| if (kPointerSize == 8) { | 
| load_matcher = IsChangeInt32ToInt64(load_matcher); | 
| } | 
| @@ -120,11 +118,9 @@ InterpreterAssemblerTest::InterpreterAssemblerForTest::IsUnsignedShortOperand( | 
| if (TargetSupportsUnalignedAccess()) { | 
| return IsLoad( | 
| MachineType::Uint16(), | 
| -        IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), | 
| -        IsIntPtrAdd( | 
| -            IsParameter( | 
| -                InterpreterDispatchDescriptor::kBytecodeOffsetParameter), | 
| -            IsIntPtrConstant(offset))); | 
| +        IsParameter(InterpreterDispatchDescriptor::kBytecodeArray), | 
| +        IsIntPtrAdd(IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset), | 
| +                    IsIntPtrConstant(offset))); | 
| } else { | 
| #if V8_TARGET_LITTLE_ENDIAN | 
| const int kStep = -1; | 
| @@ -139,10 +135,9 @@ InterpreterAssemblerTest::InterpreterAssemblerForTest::IsUnsignedShortOperand( | 
| for (int i = 0; i < static_cast<int>(arraysize(bytes)); i++) { | 
| bytes[i] = IsLoad( | 
| MachineType::Uint8(), | 
| -          IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), | 
| +          IsParameter(InterpreterDispatchDescriptor::kBytecodeArray), | 
| IsIntPtrAdd( | 
| -              IsParameter( | 
| -                  InterpreterDispatchDescriptor::kBytecodeOffsetParameter), | 
| +              IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset), | 
| IsIntPtrConstant(offset + kMsbOffset + kStep * i))); | 
| } | 
| return IsWord32Or(IsWord32Shl(bytes[0], IsInt32Constant(kBitsPerByte)), | 
| @@ -157,11 +152,9 @@ InterpreterAssemblerTest::InterpreterAssemblerForTest::IsSignedShortOperand( | 
| if (TargetSupportsUnalignedAccess()) { | 
| load_matcher = IsLoad( | 
| MachineType::Int16(), | 
| -        IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), | 
| -        IsIntPtrAdd( | 
| -            IsParameter( | 
| -                InterpreterDispatchDescriptor::kBytecodeOffsetParameter), | 
| -            IsIntPtrConstant(offset))); | 
| +        IsParameter(InterpreterDispatchDescriptor::kBytecodeArray), | 
| +        IsIntPtrAdd(IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset), | 
| +                    IsIntPtrConstant(offset))); | 
| } else { | 
| #if V8_TARGET_LITTLE_ENDIAN | 
| const int kStep = -1; | 
| @@ -176,10 +169,9 @@ InterpreterAssemblerTest::InterpreterAssemblerForTest::IsSignedShortOperand( | 
| for (int i = 0; i < static_cast<int>(arraysize(bytes)); i++) { | 
| bytes[i] = IsLoad( | 
| (i == 0) ? MachineType::Int8() : MachineType::Uint8(), | 
| -          IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), | 
| +          IsParameter(InterpreterDispatchDescriptor::kBytecodeArray), | 
| IsIntPtrAdd( | 
| -              IsParameter( | 
| -                  InterpreterDispatchDescriptor::kBytecodeOffsetParameter), | 
| +              IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset), | 
| IsIntPtrConstant(offset + kMsbOffset + kStep * i))); | 
| } | 
| load_matcher = IsWord32Or( | 
| @@ -198,11 +190,9 @@ InterpreterAssemblerTest::InterpreterAssemblerForTest::IsUnsignedQuadOperand( | 
| if (TargetSupportsUnalignedAccess()) { | 
| return IsLoad( | 
| MachineType::Uint32(), | 
| -        IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), | 
| -        IsIntPtrAdd( | 
| -            IsParameter( | 
| -                InterpreterDispatchDescriptor::kBytecodeOffsetParameter), | 
| -            IsIntPtrConstant(offset))); | 
| +        IsParameter(InterpreterDispatchDescriptor::kBytecodeArray), | 
| +        IsIntPtrAdd(IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset), | 
| +                    IsIntPtrConstant(offset))); | 
| } else { | 
| #if V8_TARGET_LITTLE_ENDIAN | 
| const int kStep = -1; | 
| @@ -217,10 +207,9 @@ InterpreterAssemblerTest::InterpreterAssemblerForTest::IsUnsignedQuadOperand( | 
| for (int i = 0; i < static_cast<int>(arraysize(bytes)); i++) { | 
| bytes[i] = IsLoad( | 
| MachineType::Uint8(), | 
| -          IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), | 
| +          IsParameter(InterpreterDispatchDescriptor::kBytecodeArray), | 
| IsIntPtrAdd( | 
| -              IsParameter( | 
| -                  InterpreterDispatchDescriptor::kBytecodeOffsetParameter), | 
| +              IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset), | 
| IsIntPtrConstant(offset + kMsbOffset + kStep * i))); | 
| } | 
| return IsWord32Or( | 
| @@ -239,11 +228,9 @@ InterpreterAssemblerTest::InterpreterAssemblerForTest::IsSignedQuadOperand( | 
| if (TargetSupportsUnalignedAccess()) { | 
| load_matcher = IsLoad( | 
| MachineType::Int32(), | 
| -        IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), | 
| -        IsIntPtrAdd( | 
| -            IsParameter( | 
| -                InterpreterDispatchDescriptor::kBytecodeOffsetParameter), | 
| -            IsIntPtrConstant(offset))); | 
| +        IsParameter(InterpreterDispatchDescriptor::kBytecodeArray), | 
| +        IsIntPtrAdd(IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset), | 
| +                    IsIntPtrConstant(offset))); | 
| } else { | 
| #if V8_TARGET_LITTLE_ENDIAN | 
| const int kStep = -1; | 
| @@ -258,10 +245,9 @@ InterpreterAssemblerTest::InterpreterAssemblerForTest::IsSignedQuadOperand( | 
| for (int i = 0; i < static_cast<int>(arraysize(bytes)); i++) { | 
| bytes[i] = IsLoad( | 
| (i == 0) ? MachineType::Int8() : MachineType::Uint8(), | 
| -          IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), | 
| +          IsParameter(InterpreterDispatchDescriptor::kBytecodeArray), | 
| IsIntPtrAdd( | 
| -              IsParameter( | 
| -                  InterpreterDispatchDescriptor::kBytecodeOffsetParameter), | 
| +              IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset), | 
| IsIntPtrConstant(offset + kMsbOffset + kStep * i))); | 
| } | 
| load_matcher = IsWord32Or( | 
| @@ -316,20 +302,20 @@ TARGET_TEST_F(InterpreterAssemblerTest, Dispatch) { | 
| Node* tail_call_node = m.Dispatch(); | 
|  | 
| OperandScale operand_scale = OperandScale::kSingle; | 
| -    Matcher<Node*> next_bytecode_offset_matcher = IsIntPtrAdd( | 
| -        IsParameter(InterpreterDispatchDescriptor::kBytecodeOffsetParameter), | 
| -        IsIntPtrConstant( | 
| -            interpreter::Bytecodes::Size(bytecode, operand_scale))); | 
| -    Matcher<Node*> target_bytecode_matcher = m.IsLoad( | 
| -        MachineType::Uint8(), | 
| -        IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), | 
| -        next_bytecode_offset_matcher); | 
| +    Matcher<Node*> next_bytecode_offset_matcher = | 
| +        IsIntPtrAdd(IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset), | 
| +                    IsIntPtrConstant( | 
| +                        interpreter::Bytecodes::Size(bytecode, operand_scale))); | 
| +    Matcher<Node*> target_bytecode_matcher = | 
| +        m.IsLoad(MachineType::Uint8(), | 
| +                 IsParameter(InterpreterDispatchDescriptor::kBytecodeArray), | 
| +                 next_bytecode_offset_matcher); | 
| if (kPointerSize == 8) { | 
| target_bytecode_matcher = IsChangeUint32ToUint64(target_bytecode_matcher); | 
| } | 
| Matcher<Node*> code_target_matcher = m.IsLoad( | 
| MachineType::Pointer(), | 
| -        IsParameter(InterpreterDispatchDescriptor::kDispatchTableParameter), | 
| +        IsParameter(InterpreterDispatchDescriptor::kDispatchTable), | 
| IsWordShl(target_bytecode_matcher, IsIntPtrConstant(kPointerSizeLog2))); | 
|  | 
| if (interpreter::Bytecodes::IsStarLookahead(bytecode, operand_scale)) { | 
| @@ -340,10 +326,10 @@ TARGET_TEST_F(InterpreterAssemblerTest, Dispatch) { | 
| next_bytecode_offset_matcher = | 
| IsPhi(MachineType::PointerRepresentation(), | 
| next_bytecode_offset_matcher, after_lookahead_offset, _); | 
| -      Matcher<Node*> after_lookahead_bytecode = m.IsLoad( | 
| -          MachineType::Uint8(), | 
| -          IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), | 
| -          after_lookahead_offset); | 
| +      Matcher<Node*> after_lookahead_bytecode = | 
| +          m.IsLoad(MachineType::Uint8(), | 
| +                   IsParameter(InterpreterDispatchDescriptor::kBytecodeArray), | 
| +                   after_lookahead_offset); | 
| if (kPointerSize == 8) { | 
| after_lookahead_bytecode = | 
| IsChangeUint32ToUint64(after_lookahead_bytecode); | 
| @@ -351,22 +337,21 @@ TARGET_TEST_F(InterpreterAssemblerTest, Dispatch) { | 
| target_bytecode_matcher = | 
| IsPhi(MachineRepresentation::kWord8, target_bytecode_matcher, | 
| after_lookahead_bytecode, _); | 
| -      code_target_matcher = m.IsLoad( | 
| -          MachineType::Pointer(), | 
| -          IsParameter(InterpreterDispatchDescriptor::kDispatchTableParameter), | 
| -          IsWordShl(target_bytecode_matcher, | 
| -                    IsIntPtrConstant(kPointerSizeLog2))); | 
| +      code_target_matcher = | 
| +          m.IsLoad(MachineType::Pointer(), | 
| +                   IsParameter(InterpreterDispatchDescriptor::kDispatchTable), | 
| +                   IsWordShl(target_bytecode_matcher, | 
| +                             IsIntPtrConstant(kPointerSizeLog2))); | 
| } | 
|  | 
| EXPECT_THAT( | 
| tail_call_node, | 
| -        IsTailCall( | 
| -            _, code_target_matcher, | 
| -            IsParameter(InterpreterDispatchDescriptor::kAccumulatorParameter), | 
| -            next_bytecode_offset_matcher, | 
| -            IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), | 
| -            IsParameter(InterpreterDispatchDescriptor::kDispatchTableParameter), | 
| -            _, _)); | 
| +        IsTailCall(_, code_target_matcher, | 
| +                   IsParameter(InterpreterDispatchDescriptor::kAccumulator), | 
| +                   next_bytecode_offset_matcher, | 
| +                   IsParameter(InterpreterDispatchDescriptor::kBytecodeArray), | 
| +                   IsParameter(InterpreterDispatchDescriptor::kDispatchTable), | 
| +                   _, _)); | 
| } | 
| } | 
|  | 
| @@ -383,7 +368,7 @@ TARGET_TEST_F(InterpreterAssemblerTest, Jump) { | 
| Node* tail_call_node = m.Jump(m.IntPtrConstant(jump_offset)); | 
|  | 
| Matcher<Node*> next_bytecode_offset_matcher = IsIntPtrAdd( | 
| -          IsParameter(InterpreterDispatchDescriptor::kBytecodeOffsetParameter), | 
| +          IsParameter(InterpreterDispatchDescriptor::kBytecodeOffset), | 
| IsIntPtrConstant(jump_offset)); | 
| Matcher<Node*> target_bytecode_matcher = | 
| m.IsLoad(MachineType::Uint8(), _, next_bytecode_offset_matcher); | 
| @@ -391,21 +376,19 @@ TARGET_TEST_F(InterpreterAssemblerTest, Jump) { | 
| target_bytecode_matcher = | 
| IsChangeUint32ToUint64(target_bytecode_matcher); | 
| } | 
| -      Matcher<Node*> code_target_matcher = m.IsLoad( | 
| -          MachineType::Pointer(), | 
| -          IsParameter(InterpreterDispatchDescriptor::kDispatchTableParameter), | 
| -          IsWordShl(target_bytecode_matcher, | 
| -                    IsIntPtrConstant(kPointerSizeLog2))); | 
| +      Matcher<Node*> code_target_matcher = | 
| +          m.IsLoad(MachineType::Pointer(), | 
| +                   IsParameter(InterpreterDispatchDescriptor::kDispatchTable), | 
| +                   IsWordShl(target_bytecode_matcher, | 
| +                             IsIntPtrConstant(kPointerSizeLog2))); | 
|  | 
| EXPECT_THAT( | 
| tail_call_node, | 
| -          IsTailCall( | 
| -              _, code_target_matcher, | 
| -              IsParameter(InterpreterDispatchDescriptor::kAccumulatorParameter), | 
| -              next_bytecode_offset_matcher, _, | 
| -              IsParameter( | 
| -                  InterpreterDispatchDescriptor::kDispatchTableParameter), | 
| -              _, _)); | 
| +          IsTailCall(_, code_target_matcher, | 
| +                     IsParameter(InterpreterDispatchDescriptor::kAccumulator), | 
| +                     next_bytecode_offset_matcher, _, | 
| +                     IsParameter(InterpreterDispatchDescriptor::kDispatchTable), | 
| +                     _, _)); | 
| } | 
| } | 
| } | 
| @@ -478,9 +461,8 @@ TARGET_TEST_F(InterpreterAssemblerTest, GetSetAccumulator) { | 
|  | 
| InterpreterAssemblerForTest m(this, bytecode); | 
| // Should be incoming accumulator if not set. | 
| -    EXPECT_THAT( | 
| -        m.GetAccumulator(), | 
| -        IsParameter(InterpreterDispatchDescriptor::kAccumulatorParameter)); | 
| +    EXPECT_THAT(m.GetAccumulator(), | 
| +                IsParameter(InterpreterDispatchDescriptor::kAccumulator)); | 
| // Should be set by SetAccumulator. | 
| Node* accumulator_value_1 = m.Int32Constant(0xdeadbeef); | 
| m.SetAccumulator(accumulator_value_1); | 
| @@ -597,7 +579,7 @@ TARGET_TEST_F(InterpreterAssemblerTest, LoadConstantPoolEntry) { | 
| Node* load_constant = m.LoadConstantPoolEntry(index); | 
| Matcher<Node*> constant_pool_matcher = m.IsLoad( | 
| MachineType::AnyTagged(), | 
| -        IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), | 
| +        IsParameter(InterpreterDispatchDescriptor::kBytecodeArray), | 
| IsIntPtrConstant(BytecodeArray::kConstantPoolOffset - kHeapObjectTag)); | 
| EXPECT_THAT( | 
| load_constant, | 
|  |