[Interpreter] Add support for RegExp literals.

src/interpreter/interpreter.cc

Index: src/interpreter/interpreter.cc
diff --git a/src/interpreter/interpreter.cc b/src/interpreter/interpreter.cc
index a6e9317e0f03e2d8a3175314f1b258d77be8bae4..170576402c027e4e39545dfd0eec0b24c97cb6e8 100644
--- a/src/interpreter/interpreter.cc
+++ b/src/interpreter/interpreter.cc
@@ -721,23 +721,6 @@ void Interpreter::DoJumpIfFalseConstant(
 }
 
 
-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
@@ -804,6 +787,44 @@ void Interpreter::DoJumpIfToBooleanFalseConstant(
 }
 
 
+// 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