Reduce duplicate code in full-codegen across platforms.

src/ppc/full-codegen-ppc.cc

Index: src/ppc/full-codegen-ppc.cc
diff --git a/src/ppc/full-codegen-ppc.cc b/src/ppc/full-codegen-ppc.cc
index 44fe92af7764eca77836eaf10cb87936e3c0a16e..5bb755f6a7e3cfdfa53dd2f50bead745e15c1765 100644
--- a/src/ppc/full-codegen-ppc.cc
+++ b/src/ppc/full-codegen-ppc.cc
@@ -497,17 +497,6 @@ void FullCodeGenerator::EmitReturnSequence() {
 }
 
 
-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());
   codegen()->GetVar(result_register(), var);
@@ -515,15 +504,6 @@ void FullCodeGenerator::StackValueContext::Plug(Variable* var) const {
 }
 
 
-void FullCodeGenerator::TestContext::Plug(Variable* var) const {
-  DCHECK(var->IsStackAllocated() || var->IsContextSlot());
-  // For simplicity we always test the accumulator register.
-  codegen()->GetVar(result_register(), var);
-  codegen()->PrepareForBailoutBeforeSplit(condition(), false, NULL, NULL);
-  codegen()->DoTest(this);
-}
-
-
 void FullCodeGenerator::EffectContext::Plug(Heap::RootListIndex index) const {}
 
 
@@ -673,9 +653,6 @@ void FullCodeGenerator::TestContext::Plug(Label* materialize_true,
 }
 
 
-void FullCodeGenerator::EffectContext::Plug(bool flag) const {}
-
-
 void FullCodeGenerator::AccumulatorValueContext::Plug(bool flag) const {
   Heap::RootListIndex value_root_index =
       flag ? Heap::kTrueValueRootIndex : Heap::kFalseValueRootIndex;
@@ -927,35 +904,6 @@ void FullCodeGenerator::VisitFunctionDeclaration(
 }
 
 
-void FullCodeGenerator::VisitImportDeclaration(ImportDeclaration* declaration) {
-  VariableProxy* proxy = declaration->proxy();
-  Variable* variable = proxy->var();
-  switch (variable->location()) {
-    case VariableLocation::GLOBAL:
-    case VariableLocation::UNALLOCATED:
-      // 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.
   // The context is the first argument.
@@ -1288,12 +1236,6 @@ void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info,
 }
 
 
-void FullCodeGenerator::VisitVariableProxy(VariableProxy* expr) {
-  Comment cmnt(masm_, "[ VariableProxy");
-  EmitVariableLoad(expr);
-}
-
-
 void FullCodeGenerator::EmitSetHomeObjectIfNeeded(Expression* initializer,
                                                   int offset,
                                                   FeedbackVectorICSlot slot) {
@@ -3914,33 +3856,6 @@ void FullCodeGenerator::EmitClassOf(CallRuntime* expr) {
 }
 
 
-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(r3);
-}
-
-
-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(r3);
-}
-
-
 void FullCodeGenerator::EmitValueOf(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK(args->length() == 1);
@@ -4086,18 +4001,6 @@ void FullCodeGenerator::EmitTwoByteSeqStringSetChar(CallRuntime* expr) {
 }
 
 
-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(r3);
-}
-
-
 void FullCodeGenerator::EmitSetValueOf(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK(args->length() == 2);
@@ -4252,18 +4155,6 @@ void FullCodeGenerator::EmitStringAdd(CallRuntime* expr) {
 }
 
 
-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(r3);
-}
-
-
 void FullCodeGenerator::EmitCallFunction(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK(args->length() >= 2);