Revert of Reduce duplicate code in full-codegen across platforms.

src/x64/full-codegen-x64.cc

 // Copyright 2012 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"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 454 matching lines @@
 
     int arg_count = info_->scope()->num_parameters() + 1;
     int arguments_bytes = arg_count * kPointerSize;
     __ Ret(arguments_bytes, rcx);
 
     info_->AddNoFrameRange(no_frame_start, masm_->pc_offset());
   }
 }
 
 
+void FullCodeGenerator::EffectContext::Plug(Variable* var) const {
+  DCHECK(var->IsStackAllocated() || var->IsContextSlot());
+}
+
+
+void FullCodeGenerator::AccumulatorValueContext::Plug(Variable* var) const {
+  DCHECK(var->IsStackAllocated() || var->IsContextSlot());
+  codegen()->GetVar(result_register(), var);
+}
+
+
 void FullCodeGenerator::StackValueContext::Plug(Variable* var) const {
   DCHECK(var->IsStackAllocated() || var->IsContextSlot());
   MemOperand operand = codegen()->VarOperand(var, result_register());
   __ Push(operand);
 }
 
 
+void FullCodeGenerator::TestContext::Plug(Variable* var) const {
+  codegen()->GetVar(result_register(), var);
+  codegen()->PrepareForBailoutBeforeSplit(condition(), false, NULL, NULL);
+  codegen()->DoTest(this);
+}
+
+
 void FullCodeGenerator::EffectContext::Plug(Heap::RootListIndex index) const {
 }
 
 
 void FullCodeGenerator::AccumulatorValueContext::Plug(
     Heap::RootListIndex index) const {
   __ LoadRoot(result_register(), index);
 }
 
 
@@ skipping 142 matching lines @@
 }
 
 
 void FullCodeGenerator::TestContext::Plug(Label* materialize_true,
                                           Label* materialize_false) const {
   DCHECK(materialize_true == true_label_);
   DCHECK(materialize_false == false_label_);
 }
 
 
+void FullCodeGenerator::EffectContext::Plug(bool flag) const {
+}
+
+
 void FullCodeGenerator::AccumulatorValueContext::Plug(bool flag) const {
   Heap::RootListIndex value_root_index =
       flag ? Heap::kTrueValueRootIndex : Heap::kFalseValueRootIndex;
   __ LoadRoot(result_register(), value_root_index);
 }
 
 
 void FullCodeGenerator::StackValueContext::Plug(bool flag) const {
   Heap::RootListIndex value_root_index =
       flag ? Heap::kTrueValueRootIndex : Heap::kFalseValueRootIndex;
@@ skipping 240 matching lines @@
       __ Push(variable->name());
       __ Push(Smi::FromInt(NONE));
       VisitForStackValue(declaration->fun());
       __ CallRuntime(Runtime::kDeclareLookupSlot, 4);
       break;
     }
   }
 }
 
 
+void FullCodeGenerator::VisitImportDeclaration(ImportDeclaration* declaration) {
+  VariableProxy* proxy = declaration->proxy();
+  Variable* variable = proxy->var();
+  switch (variable->location()) {
+    case VariableLocation::UNALLOCATED:
+    case VariableLocation::GLOBAL:
+      // TODO(rossberg)
+      break;
+
+    case VariableLocation::CONTEXT: {
+      Comment cmnt(masm_, "[ ImportDeclaration");
+      EmitDebugCheckDeclarationContext(variable);
+      // TODO(rossberg)
+      break;
+    }
+
+    case VariableLocation::PARAMETER:
+    case VariableLocation::LOCAL:
+    case VariableLocation::LOOKUP:
+      UNREACHABLE();
+  }
+}
+
+
+void FullCodeGenerator::VisitExportDeclaration(ExportDeclaration* declaration) {
+  // TODO(rossberg)
+}
+
+
 void FullCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) {
   // Call the runtime to declare the globals.
   __ Push(rsi);  // The context is the first argument.
   __ Push(pairs);
   __ Push(Smi::FromInt(DeclareGlobalsFlags()));
   __ CallRuntime(Runtime::kDeclareGlobals, 3);
   // Return value is ignored.
 }
 
 
@@ skipping 309 matching lines @@
     __ Push(info);
     __ Push(pretenure
             ? isolate()->factory()->true_value()
             : isolate()->factory()->false_value());
     __ CallRuntime(Runtime::kNewClosure, 3);
   }
   context()->Plug(rax);
 }
 
 
+void FullCodeGenerator::VisitVariableProxy(VariableProxy* expr) {
+  Comment cmnt(masm_, "[ VariableProxy");
+  EmitVariableLoad(expr);
+}
+
+
 void FullCodeGenerator::EmitSetHomeObjectIfNeeded(Expression* initializer,
                                                   int offset,
                                                   FeedbackVectorICSlot slot) {
   if (NeedsHomeObject(initializer)) {
     __ movp(StoreDescriptor::ReceiverRegister(), Operand(rsp, 0));
     __ Move(StoreDescriptor::NameRegister(),
             isolate()->factory()->home_object_symbol());
     __ movp(StoreDescriptor::ValueRegister(),
             Operand(rsp, offset * kPointerSize));
     if (FLAG_vector_stores) EmitLoadStoreICSlot(slot);
@@ skipping 2476 matching lines @@
   __ bind(&null);
   __ LoadRoot(rax, Heap::kNullValueRootIndex);
 
   // All done.
   __ bind(&done);
 
   context()->Plug(rax);
 }
 
 
+void FullCodeGenerator::EmitSubString(CallRuntime* expr) {
+  // Load the arguments on the stack and call the stub.
+  SubStringStub stub(isolate());
+  ZoneList<Expression*>* args = expr->arguments();
+  DCHECK(args->length() == 3);
+  VisitForStackValue(args->at(0));
+  VisitForStackValue(args->at(1));
+  VisitForStackValue(args->at(2));
+  __ CallStub(&stub);
+  context()->Plug(rax);
+}
+
+
+void FullCodeGenerator::EmitRegExpExec(CallRuntime* expr) {
+  // Load the arguments on the stack and call the stub.
+  RegExpExecStub stub(isolate());
+  ZoneList<Expression*>* args = expr->arguments();
+  DCHECK(args->length() == 4);
+  VisitForStackValue(args->at(0));
+  VisitForStackValue(args->at(1));
+  VisitForStackValue(args->at(2));
+  VisitForStackValue(args->at(3));
+  __ CallStub(&stub);
+  context()->Plug(rax);
+}
+
+
 void FullCodeGenerator::EmitValueOf(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK(args->length() == 1);
 
   VisitForAccumulatorValue(args->at(0));  // Load the object.
 
   Label done;
   // If the object is a smi return the object.
   __ JumpIfSmi(rax, &done);
   // If the object is not a value type, return the object.
@@ skipping 132 matching lines @@
     static const uint32_t two_byte_seq_type = kSeqStringTag | kTwoByteStringTag;
     __ EmitSeqStringSetCharCheck(string, index, value, two_byte_seq_type);
   }
 
   __ movw(FieldOperand(string, index, times_2, SeqTwoByteString::kHeaderSize),
           value);
   context()->Plug(rax);
 }
 
 
+void FullCodeGenerator::EmitMathPow(CallRuntime* expr) {
+  // Load the arguments on the stack and call the runtime function.
+  ZoneList<Expression*>* args = expr->arguments();
+  DCHECK(args->length() == 2);
+  VisitForStackValue(args->at(0));
+  VisitForStackValue(args->at(1));
+  MathPowStub stub(isolate(), MathPowStub::ON_STACK);
+  __ CallStub(&stub);
+  context()->Plug(rax);
+}
+
+
 void FullCodeGenerator::EmitSetValueOf(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK(args->length() == 2);
 
   VisitForStackValue(args->at(0));  // Load the object.
   VisitForAccumulatorValue(args->at(1));  // Load the value.
   __ Pop(rbx);  // rax = value. rbx = object.
 
   Label done;
   // If the object is a smi, return the value.
   __ JumpIfSmi(rbx, &done);
 
   // If the object is not a value type, return the value.
   __ CmpObjectType(rbx, JS_VALUE_TYPE, rcx);
   __ j(not_equal, &done);
 
   // Store the value.
   __ movp(FieldOperand(rbx, JSValue::kValueOffset), rax);
   // Update the write barrier.  Save the value as it will be
   // overwritten by the write barrier code and is needed afterward.
   __ movp(rdx, rax);
   __ RecordWriteField(rbx, JSValue::kValueOffset, rdx, rcx, kDontSaveFPRegs);
 
   __ bind(&done);
   context()->Plug(rax);
 }
 
+
+void FullCodeGenerator::EmitNumberToString(CallRuntime* expr) {
+  ZoneList<Expression*>* args = expr->arguments();
+  DCHECK_EQ(args->length(), 1);
+
+  // Load the argument into rax and call the stub.
+  VisitForAccumulatorValue(args->at(0));
+
+  NumberToStringStub stub(isolate());
+  __ CallStub(&stub);
+  context()->Plug(rax);
+}
+
 
 void FullCodeGenerator::EmitStringCharFromCode(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK(args->length() == 1);
 
   VisitForAccumulatorValue(args->at(0));
 
   Label done;
   StringCharFromCodeGenerator generator(rax, rbx);
   generator.GenerateFast(masm_);
@@ skipping 105 matching lines @@
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK_EQ(2, args->length());
   VisitForStackValue(args->at(0));
   VisitForAccumulatorValue(args->at(1));
 
   __ Pop(rdx);
   StringAddStub stub(isolate(), STRING_ADD_CHECK_BOTH, NOT_TENURED);
   __ CallStub(&stub);
   context()->Plug(rax);
 }
+
+
+void FullCodeGenerator::EmitStringCompare(CallRuntime* expr) {
+  ZoneList<Expression*>* args = expr->arguments();
+  DCHECK_EQ(2, args->length());
+
+  VisitForStackValue(args->at(0));
+  VisitForStackValue(args->at(1));
+
+  StringCompareStub stub(isolate());
+  __ CallStub(&stub);
+  context()->Plug(rax);
+}
 
 
 void FullCodeGenerator::EmitCallFunction(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK(args->length() >= 2);
 
   int arg_count = args->length() - 2;  // 2 ~ receiver and function.
   for (int i = 0; i < arg_count + 1; i++) {
     VisitForStackValue(args->at(i));
   }
@@ skipping 1300 matching lines @@
             Assembler::target_address_at(call_target_address,
                                          unoptimized_code));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64