[Interpreter]: Add support for strict mode load / store ICs.

src/interpreter/bytecode-array-builder.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/bytecode-array-builder.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
 
@@ skipping 110 matching lines @@
 
 
 void BytecodeArrayBuilder::Output(Bytecode bytecode) {
   DCHECK_EQ(Bytecodes::NumberOfOperands(bytecode), 0);
   last_bytecode_start_ = bytecodes()->size();
   bytecodes()->push_back(Bytecodes::ToByte(bytecode));
 }
 
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::BinaryOperation(Token::Value op,
-                                                            Register reg) {
+                                                            Register reg,
+                                                            Strength strength) {
+  if (is_strong(strength)) {
+    UNIMPLEMENTED();
+  }
+
   Output(BytecodeForBinaryOperation(op), reg.ToOperand());
   return *this;
 }
 
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::LogicalNot() {
   Output(Bytecode::kLogicalNot);
   return *this;
 }
 
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::TypeOf() {
   Output(Bytecode::kTypeOf);
   return *this;
 }
 
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::CompareOperation(
-    Token::Value op, Register reg, LanguageMode language_mode) {
-  if (!is_sloppy(language_mode)) {
+    Token::Value op, Register reg, Strength strength) {
+  if (is_strong(strength)) {
     UNIMPLEMENTED();
   }
 
   Output(BytecodeForCompareOperation(op), reg.ToOperand());
   return *this;
 }
 
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::LoadLiteral(
     v8::internal::Smi* smi) {
@@ skipping 69 matching lines @@
   if (FitsInIdx8Operand(slot_index)) {
     Output(Bytecode::kLdaGlobal, static_cast<uint8_t>(slot_index));
   } else {
     UNIMPLEMENTED();
   }
   return *this;
 }
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::LoadNamedProperty(
     Register object, int feedback_slot, LanguageMode language_mode) {
-  if (!is_sloppy(language_mode)) {
-    UNIMPLEMENTED();
-  }
-
+  Bytecode bytecode = BytecodeForLoadIC(language_mode);
   if (FitsInIdx8Operand(feedback_slot)) {
-    Output(Bytecode::kLoadIC, object.ToOperand(),
-           static_cast<uint8_t>(feedback_slot));
+    Output(bytecode, object.ToOperand(), static_cast<uint8_t>(feedback_slot));
   } else {
     UNIMPLEMENTED();
   }
   return *this;
 }
 
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::LoadKeyedProperty(
     Register object, int feedback_slot, LanguageMode language_mode) {
-  if (!is_sloppy(language_mode)) {
-    UNIMPLEMENTED();
-  }
-
+  Bytecode bytecode = BytecodeForKeyedLoadIC(language_mode);
   if (FitsInIdx8Operand(feedback_slot)) {
-    Output(Bytecode::kKeyedLoadIC, object.ToOperand(),
-           static_cast<uint8_t>(feedback_slot));
+    Output(bytecode, object.ToOperand(), static_cast<uint8_t>(feedback_slot));
   } else {
     UNIMPLEMENTED();
   }
   return *this;
 }
 
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::StoreNamedProperty(
     Register object, Register name, int feedback_slot,
     LanguageMode language_mode) {
-  if (!is_sloppy(language_mode)) {
-    UNIMPLEMENTED();
-  }
-
+  Bytecode bytecode = BytecodeForStoreIC(language_mode);
   if (FitsInIdx8Operand(feedback_slot)) {
-    Output(Bytecode::kStoreIC, object.ToOperand(), name.ToOperand(),
+    Output(bytecode, object.ToOperand(), name.ToOperand(),
            static_cast<uint8_t>(feedback_slot));
   } else {
     UNIMPLEMENTED();
   }
   return *this;
 }
 
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::StoreKeyedProperty(
     Register object, Register key, int feedback_slot,
     LanguageMode language_mode) {
-  if (!is_sloppy(language_mode)) {
-    UNIMPLEMENTED();
-  }
-
+  Bytecode bytecode = BytecodeForKeyedStoreIC(language_mode);
   if (FitsInIdx8Operand(feedback_slot)) {
-    Output(Bytecode::kKeyedStoreIC, object.ToOperand(), key.ToOperand(),
+    Output(bytecode, object.ToOperand(), key.ToOperand(),
            static_cast<uint8_t>(feedback_slot));
   } else {
     UNIMPLEMENTED();
   }
   return *this;
 }
 
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::CastAccumulatorToBoolean() {
   if (LastBytecodeInSameBlock()) {
@@ skipping 306 matching lines @@
     case Token::Value::IN:
       return Bytecode::kTestIn;
     default:
       UNREACHABLE();
       return static_cast<Bytecode>(-1);
   }
 }
 
 
 // static
+Bytecode BytecodeArrayBuilder::BytecodeForLoadIC(LanguageMode language_mode) {
+  switch (language_mode) {
+    case SLOPPY:
+      return Bytecode::kLoadICSloppy;
+    case STRICT:
+      return Bytecode::kLoadICStrict;
+    case STRONG:
+      UNIMPLEMENTED();
+    default:
+      UNREACHABLE();
+  }
+  return static_cast<Bytecode>(-1);
+}
+
+
+// static
+Bytecode BytecodeArrayBuilder::BytecodeForKeyedLoadIC(
+    LanguageMode language_mode) {
+  switch (language_mode) {
+    case SLOPPY:
+      return Bytecode::kKeyedLoadICSloppy;
+    case STRICT:
+      return Bytecode::kKeyedLoadICStrict;
+    case STRONG:
+      UNIMPLEMENTED();
+    default:
+      UNREACHABLE();
+  }
+  return static_cast<Bytecode>(-1);
+}
+
+
+// static
+Bytecode BytecodeArrayBuilder::BytecodeForStoreIC(LanguageMode language_mode) {
+  switch (language_mode) {
+    case SLOPPY:
+      return Bytecode::kStoreICSloppy;
+    case STRICT:
+      return Bytecode::kStoreICStrict;
+    case STRONG:
+      UNIMPLEMENTED();
+    default:
+      UNREACHABLE();
+  }
+  return static_cast<Bytecode>(-1);
+}
+
+
+// static
+Bytecode BytecodeArrayBuilder::BytecodeForKeyedStoreIC(
+    LanguageMode language_mode) {
+  switch (language_mode) {
+    case SLOPPY:
+      return Bytecode::kKeyedStoreICSloppy;
+    case STRICT:
+      return Bytecode::kKeyedStoreICStrict;
+    case STRONG:
+      UNIMPLEMENTED();
+    default:
+      UNREACHABLE();
+  }
+  return static_cast<Bytecode>(-1);
+}
+
+
+// static
 bool BytecodeArrayBuilder::FitsInIdx8Operand(int value) {
   return kMinUInt8 <= value && value <= kMaxUInt8;
 }
 
 
 // static
 bool BytecodeArrayBuilder::FitsInIdx8Operand(size_t value) {
   return value <= static_cast<size_t>(kMaxUInt8);
 }
 
@@ skipping 23 matching lines @@
 
 Register TemporaryRegisterScope::NewRegister() {
   count_++;
   last_register_index_ = builder_->BorrowTemporaryRegister();
   return Register(last_register_index_);
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8