[Interpreter] Add support for RegExp literals.

src/interpreter/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/interpreter/interpreter.h"
 
 #include "src/code-factory.h"
 #include "src/compiler.h"
 #include "src/compiler/interpreter-assembler.h"
 #include "src/factory.h"
@@ skipping 703 matching lines @@
     compiler::InterpreterAssembler* assembler) {
   Node* accumulator = __ GetAccumulator();
   Node* index = __ BytecodeOperandIdx8(0);
   Node* constant = __ LoadConstantPoolEntry(index);
   Node* relative_jump = __ SmiUntag(constant);
   Node* false_value = __ BooleanConstant(false);
   __ JumpIfWordEqual(accumulator, false_value, relative_jump);
 }
 
 
-void Interpreter::DoCreateLiteral(Runtime::FunctionId function_id,
-                                  compiler::InterpreterAssembler* assembler) {
-  Node* constant_elements = __ GetAccumulator();
-  Node* literal_index_raw = __ BytecodeOperandIdx8(0);
-  Node* literal_index = __ SmiTag(literal_index_raw);
-  Node* flags_raw = __ BytecodeOperandImm8(1);
-  Node* flags = __ SmiTag(flags_raw);
-  Node* closure = __ LoadRegister(Register::function_closure());
-  Node* literals_array =
-      __ LoadObjectField(closure, JSFunction::kLiteralsOffset);
-  Node* result = __ CallRuntime(function_id, literals_array, literal_index,
-                                constant_elements, flags);
-  __ SetAccumulator(result);
-  __ Dispatch();
-}
-
-
 // JumpIfToBooleanTrue <imm8>
 //
 // Jump by number of bytes represented by an immediate operand if the object
 // referenced by the accumulator is true when the object is cast to boolean.
 void Interpreter::DoJumpIfToBooleanTrue(
     compiler::InterpreterAssembler* assembler) {
   Node* accumulator = __ GetAccumulator();
   Node* relative_jump = __ BytecodeOperandImm8(0);
   Node* to_boolean_value =
       __ CallRuntime(Runtime::kInterpreterToBoolean, accumulator);
@@ skipping 46 matching lines @@
   Node* to_boolean_value =
       __ CallRuntime(Runtime::kInterpreterToBoolean, accumulator);
   Node* index = __ BytecodeOperandIdx8(0);
   Node* constant = __ LoadConstantPoolEntry(index);
   Node* relative_jump = __ SmiUntag(constant);
   Node* false_value = __ BooleanConstant(false);
   __ JumpIfWordEqual(to_boolean_value, false_value, relative_jump);
 }
 
 
+// CreateRegExpLiteral <idx> <flags_reg>
+//
+// Creates a regular expression literal for literal index <idx> with flags held
+// in <flags_reg> and the pattern in the accumulator.
+void Interpreter::DoCreateRegExpLiteral(
+    compiler::InterpreterAssembler* assembler) {
+  Node* pattern = __ GetAccumulator();
+  Node* literal_index_raw = __ BytecodeOperandIdx8(0);
+  Node* literal_index = __ SmiTag(literal_index_raw);
+  Node* flags_reg = __ BytecodeOperandReg8(1);
+  Node* flags = __ LoadRegister(flags_reg);
+  Node* closure = __ LoadRegister(Register::function_closure());
+  Node* literals_array =
+      __ LoadObjectField(closure, JSFunction::kLiteralsOffset);
+  Node* result = __ CallRuntime(Runtime::kMaterializeRegExpLiteral,
+                                literals_array, literal_index, pattern, flags);
+  __ SetAccumulator(result);
+  __ Dispatch();
+}
+
+
+void Interpreter::DoCreateLiteral(Runtime::FunctionId function_id,
+                                  compiler::InterpreterAssembler* assembler) {
+  Node* constant_elements = __ GetAccumulator();
+  Node* literal_index_raw = __ BytecodeOperandIdx8(0);
+  Node* literal_index = __ SmiTag(literal_index_raw);
+  Node* flags_raw = __ BytecodeOperandImm8(1);
+  Node* flags = __ SmiTag(flags_raw);
+  Node* closure = __ LoadRegister(Register::function_closure());
+  Node* literals_array =
+      __ LoadObjectField(closure, JSFunction::kLiteralsOffset);
+  Node* result = __ CallRuntime(function_id, literals_array, literal_index,
+                                constant_elements, flags);
+  __ SetAccumulator(result);
+  __ Dispatch();
+}
+
+
 // CreateArrayLiteral <idx> <flags>
 //
 // Creates an array literal for literal index <idx> with flags <flags> and
 // constant elements in the accumulator.
 void Interpreter::DoCreateArrayLiteral(
     compiler::InterpreterAssembler* assembler) {
   DoCreateLiteral(Runtime::kCreateArrayLiteral, assembler);
 }
 
 
@@ skipping 28 matching lines @@
 //
 // Return the value in the accumulator.
 void Interpreter::DoReturn(compiler::InterpreterAssembler* assembler) {
   __ Return();
 }
 
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8