Lazy deoptimization for comparisons in Turbofan.

src/compiler/linkage.cc

 // Copyright 2014 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/compiler/linkage.h"
 
 #include "src/code-stubs.h"
 #include "src/compiler.h"
 #include "src/compiler/node.h"
 #include "src/compiler/pipeline.h"
@@ skipping 75 matching lines @@
     return FrameOffset::FromStackPointer(offset);
   }
 }
 
 
 CallDescriptor* Linkage::GetJSCallDescriptor(int parameter_count) {
   return GetJSCallDescriptor(parameter_count, this->info_->zone());
 }
 
 
-CallDescriptor* Linkage::GetRuntimeCallDescriptor(Runtime::FunctionId function,
-                                                  int parameter_count,
-                                                  Operator::Property properties,
-                                                  CallDescriptor::Flags flags) {
-  return GetRuntimeCallDescriptor(function, parameter_count, properties, flags,
+CallDescriptor* Linkage::GetRuntimeCallDescriptor(
+    Runtime::FunctionId function, int parameter_count,
+    Operator::Property properties) {
+  return GetRuntimeCallDescriptor(function, parameter_count, properties,
                                   this->info_->zone());
 }
 
 
 CallDescriptor* Linkage::GetStubCallDescriptor(
     CodeStubInterfaceDescriptor* descriptor, int stack_parameter_count,
     CallDescriptor::Flags flags) {
   return GetStubCallDescriptor(descriptor, stack_parameter_count, flags,
                                this->info_->zone());
 }
 
 
 //==============================================================================
 // Provide unimplemented methods on unsupported architectures, to at least link.
 //==============================================================================
 #if !V8_TURBOFAN_BACKEND
 CallDescriptor* Linkage::GetJSCallDescriptor(int parameter_count, Zone* zone) {
   UNIMPLEMENTED();
   return NULL;
 }
 
 
 CallDescriptor* Linkage::GetRuntimeCallDescriptor(Runtime::FunctionId function,
                                                   int parameter_count,
                                                   Operator::Property properties,
-                                                  CallDescriptor::Flags flags,
                                                   Zone* zone) {
   UNIMPLEMENTED();
   return NULL;
 }
 
 
 CallDescriptor* Linkage::GetStubCallDescriptor(
     CodeStubInterfaceDescriptor* descriptor, int stack_parameter_count,
     CallDescriptor::Flags flags, Zone* zone) {
   UNIMPLEMENTED();
   return NULL;
 }
 
 
 CallDescriptor* Linkage::GetSimplifiedCDescriptor(
     Zone* zone, int num_params, MachineType return_type,
     const MachineType* param_types) {
   UNIMPLEMENTED();
   return NULL;
 }
 #endif  // !V8_TURBOFAN_BACKEND
 }
 }
 }  // namespace v8::internal::compiler