[Interpreter] Add implementations for load immediate bytecodes.

src/compiler/interpreter-assembler.cc

Index: src/compiler/interpreter-assembler.cc
diff --git a/src/compiler/interpreter-assembler.cc b/src/compiler/interpreter-assembler.cc
index bf985a787824a6967d4fba9ca239ddda902bc3c3..0eb8fe51b20378b26d85c430cbe91f6067b2fb71 100644
--- a/src/compiler/interpreter-assembler.cc
+++ b/src/compiler/interpreter-assembler.cc
@@ -134,6 +134,50 @@ Node* InterpreterAssembler::BytecodeOperandSignExtended(int delta) {
 }
 
 
+Node* InterpreterAssembler::BytecodeOperandImm8(int delta) {

[oth, 2015/08/17 10:49:02]

Suggest renaming delta for clarity - operand_index/operand_number.

[rmcilroy, 2015/08/18 13:06:22]

Done.

+  DCHECK_EQ(interpreter::OperandType::kImm8,
+            interpreter::Bytecodes::GetOperandType(bytecode_, delta));
+  return BytecodeOperandSignExtended(delta);
+}
+
+
+Node* InterpreterAssembler::BytecodeOperandReg(int delta) {
+  DCHECK_EQ(interpreter::OperandType::kReg,
+            interpreter::Bytecodes::GetOperandType(bytecode_, delta));
+  return BytecodeOperandSignExtended(delta);
+}
+
+
+Node* InterpreterAssembler::Int32Constant(int value) {
+  return raw_assembler_->Int32Constant(value);
+}
+
+
+Node* InterpreterAssembler::NumberConstant(double value) {
+  return raw_assembler_->NumberConstant(value);
+}
+
+
+Node* InterpreterAssembler::HeapConstant(Unique<HeapObject> object) {
+  return raw_assembler_->HeapConstant(object);
+}
+
+
+Node* InterpreterAssembler::SmiShiftBitsConstant() {
+  return Int32Constant(kSmiShiftSize + kSmiTagSize);
+}
+
+
+Node* InterpreterAssembler::SmiTag(Node* value) {
+  return raw_assembler_->WordShl(value, SmiShiftBitsConstant());
+}
+
+
+Node* InterpreterAssembler::SmiUntag(Node* value) {
+  return raw_assembler_->WordSar(value, SmiShiftBitsConstant());
+}
+
+
 void InterpreterAssembler::Return() {
   Node* exit_trampoline_code_object =
       HeapConstant(Unique<HeapObject>::CreateImmovable(
@@ -216,19 +260,6 @@ Schedule* InterpreterAssembler::schedule() {
 }
 
 
-Node* InterpreterAssembler::Int32Constant(int value) {
-  return raw_assembler_->Int32Constant(value);
-}
-
-
-Node* InterpreterAssembler::NumberConstant(double value) {
-  return raw_assembler_->NumberConstant(value);
-}
-
-
-Node* InterpreterAssembler::HeapConstant(Unique<HeapObject> object) {
-  return raw_assembler_->HeapConstant(object);
-}
 
 }  // namespace interpreter
 }  // namespace internal