[Interpreter] Add implementations of arithmetic binary op bytecodes.

test/cctest/interpreter/test-interpreter.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/execution.h"
 #include "src/handles.h"
 #include "src/interpreter/bytecode-array-builder.h"
 #include "src/interpreter/interpreter.h"
@@ skipping 51 matching lines @@
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 using v8::internal::BytecodeArray;
 using v8::internal::Handle;
 using v8::internal::Object;
 using v8::internal::Smi;
+using v8::internal::Token;
 using namespace v8::internal::interpreter;
 
 TEST(TestInterpreterReturn) {
   InitializedHandleScope handles;
   Handle<Object> undefined_value =
       handles.main_isolate()->factory()->undefined_value();
 
   BytecodeArrayBuilder builder(handles.main_isolate());
   builder.set_locals_count(0);
   builder.Return();
@@ skipping 117 matching lines @@
         .LoadAccumulatorWithRegister(reg)
         .Return();
     Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray();
 
     InterpreterTester tester(handles.main_isolate(), bytecode_array);
     InterpreterCallable callable(tester.GetCallable());
     Handle<Object> return_val = callable().ToHandleChecked();
     CHECK(return_val.is_identical_to(true_value));
   }
 }
+
+
+TEST(TestInterpreterAdd) {
+  InitializedHandleScope handles;
+  // TODO(rmcilroy): Do add tests for heap numbers and strings once we support
+  // them.
+  BytecodeArrayBuilder builder(handles.main_isolate());
+  builder.set_locals_count(1);
+  Register reg(0);
+  builder.LoadLiteral(Smi::FromInt(1))
+      .StoreAccumulatorInRegister(reg)
+      .LoadLiteral(Smi::FromInt(2))
+      .BinaryOperation(Token::Value::ADD, reg)
+      .Return();
+  Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray();
+
+  InterpreterTester tester(handles.main_isolate(), bytecode_array);
+  InterpreterCallable callable(tester.GetCallable());
+  Handle<Object> return_val = callable().ToHandleChecked();
+  CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(3));
+}
+
+
+TEST(TestInterpreterSub) {
+  InitializedHandleScope handles;
+  // TODO(rmcilroy): Do add tests for heap numbers once we support them.
+  BytecodeArrayBuilder builder(handles.main_isolate());
+  builder.set_locals_count(1);
+  Register reg(0);
+  builder.LoadLiteral(Smi::FromInt(5))
+      .StoreAccumulatorInRegister(reg)
+      .LoadLiteral(Smi::FromInt(31))
+      .BinaryOperation(Token::Value::SUB, reg)
+      .Return();
+  Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray();
+
+  InterpreterTester tester(handles.main_isolate(), bytecode_array);
+  InterpreterCallable callable(tester.GetCallable());
+  Handle<Object> return_val = callable().ToHandleChecked();
+  CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(-26));
+}
+
+
+TEST(TestInterpreterMul) {
+  InitializedHandleScope handles;
+  // TODO(rmcilroy): Do add tests for heap numbers once we support them.
+  BytecodeArrayBuilder builder(handles.main_isolate());
+  builder.set_locals_count(1);
+  Register reg(0);
+  builder.LoadLiteral(Smi::FromInt(111))
+      .StoreAccumulatorInRegister(reg)
+      .LoadLiteral(Smi::FromInt(6))
+      .BinaryOperation(Token::Value::MUL, reg)
+      .Return();
+  Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray();
+
+  InterpreterTester tester(handles.main_isolate(), bytecode_array);
+  InterpreterCallable callable(tester.GetCallable());
+  Handle<Object> return_val = callable().ToHandleChecked();
+  CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(666));
+}
+
+
+TEST(TestInterpreterDiv) {
+  InitializedHandleScope handles;
+  // TODO(rmcilroy): Do add tests for heap numbers once we support them.
+  BytecodeArrayBuilder builder(handles.main_isolate());
+  builder.set_locals_count(1);
+  Register reg(0);
+  builder.LoadLiteral(Smi::FromInt(-20))
+      .StoreAccumulatorInRegister(reg)
+      .LoadLiteral(Smi::FromInt(5))
+      .BinaryOperation(Token::Value::DIV, reg)
+      .Return();
+  Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray();
+
+  InterpreterTester tester(handles.main_isolate(), bytecode_array);
+  InterpreterCallable callable(tester.GetCallable());
+  Handle<Object> return_val = callable().ToHandleChecked();
+  CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(-4));
+}
+
+
+TEST(TestInterpreterMod) {
+  InitializedHandleScope handles;
+  // TODO(rmcilroy): Do add tests for heap numbers once we support them.
+  BytecodeArrayBuilder builder(handles.main_isolate());
+  builder.set_locals_count(1);
+  Register reg(0);
+  builder.LoadLiteral(Smi::FromInt(121))
+      .StoreAccumulatorInRegister(reg)
+      .LoadLiteral(Smi::FromInt(100))
+      .BinaryOperation(Token::Value::MOD, reg)
+      .Return();
+  Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray();
+
+  InterpreterTester tester(handles.main_isolate(), bytecode_array);
+  InterpreterCallable callable(tester.GetCallable());
+  Handle<Object> return_val = callable().ToHandleChecked();
+  CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(21));
+}