Fast codegen: Working break and continue.

src/x64/fast-codegen-x64.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 507 matching lines @@
 void FastCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) {
   // Call the runtime to declare the globals.
   __ push(rsi);  // The context is the first argument.
   __ Push(pairs);
   __ Push(Smi::FromInt(is_eval_ ? 1 : 0));
   __ CallRuntime(Runtime::kDeclareGlobals, 3);
   // Return value is ignored.
 }
 
 
-void FastCodeGenerator::VisitReturnStatement(ReturnStatement* stmt) {
-  Comment cmnt(masm_, "[ ReturnStatement");
-  Expression* expr = stmt->expression();
-  if (expr->AsLiteral() != NULL) {
-    __ Move(rax, expr->AsLiteral()->handle());
-  } else {
-    Visit(expr);
-    ASSERT_EQ(Expression::kValue, expr->context());
-    __ pop(rax);
-  }
-  EmitReturnSequence(stmt->statement_pos());
-}
-
-
 void FastCodeGenerator::VisitFunctionLiteral(FunctionLiteral* expr) {
   Comment cmnt(masm_, "[ FunctionLiteral");
 
   // Build the function boilerplate and instantiate it.
   Handle<JSFunction> boilerplate =
       Compiler::BuildBoilerplate(expr, script_, this);
   if (HasStackOverflow()) return;
 
   ASSERT(boilerplate->IsBoilerplate());
 
@@ skipping 1091 matching lines @@
   // Convert current context to test context: End post-test code.
 }
 
 
 void FastCodeGenerator::VisitThisFunction(ThisFunction* expr) {
   __ movq(rax, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
   Move(expr->context(), rax);
 }
 
 
+Register FastCodeGenerator::result_register() { return rax; }
+
 #undef __
 
 
 } }  // namespace v8::internal