Compress deopt instructions in memory using variable length encoding.

runtime/vm/raw_object.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/raw_object.h"
 
 #include "vm/class_table.h"
 #include "vm/dart.h"
 #include "vm/freelist.h"
 #include "vm/isolate.h"
@@ skipping 151 matching lines @@
       instance_size = LocalVarDescriptors::InstanceSize(num_descriptors);
       break;
     }
     case kExceptionHandlersCid: {
       const RawExceptionHandlers* raw_handlers =
           reinterpret_cast<const RawExceptionHandlers*>(this);
       intptr_t num_handlers = raw_handlers->ptr()->num_entries_;
       instance_size = ExceptionHandlers::InstanceSize(num_handlers);
       break;
     }
-    case kDeoptInfoCid: {
-      const RawDeoptInfo* raw_deopt_info =
-          reinterpret_cast<const RawDeoptInfo*>(this);
-      intptr_t num_entries = Smi::Value(raw_deopt_info->ptr()->length_);
-      instance_size = DeoptInfo::InstanceSize(num_entries);
-      break;
-    }
     case kJSRegExpCid: {
       const RawJSRegExp* raw_jsregexp =
           reinterpret_cast<const RawJSRegExp*>(this);
       intptr_t data_length = Smi::Value(raw_jsregexp->ptr()->data_length_);
       instance_size = JSRegExp::InstanceSize(data_length);
       break;
     }
     case kFreeListElement: {
       uword addr = RawObject::ToAddr(const_cast<RawObject*>(this));
       FreeListElement* element = reinterpret_cast<FreeListElement*>(addr);
@@ skipping 390 matching lines @@
 intptr_t RawExceptionHandlers::VisitExceptionHandlersPointers(
     RawExceptionHandlers* raw_obj, ObjectPointerVisitor* visitor) {
   RawExceptionHandlers* obj = raw_obj->ptr();
   intptr_t len = obj->num_entries_;
   visitor->VisitPointer(
       reinterpret_cast<RawObject**>(&obj->handled_types_data_));
   return ExceptionHandlers::InstanceSize(len);
 }
 
 
-intptr_t RawDeoptInfo::VisitDeoptInfoPointers(
-    RawDeoptInfo* raw_obj, ObjectPointerVisitor* visitor) {
-  RawDeoptInfo* obj = raw_obj->ptr();
-  intptr_t length = Smi::Value(obj->length_);
-  visitor->VisitPointer(reinterpret_cast<RawObject**>(&obj->length_));
-  return DeoptInfo::InstanceSize(length);
-}
-
-
 intptr_t RawContext::VisitContextPointers(RawContext* raw_obj,
                                           ObjectPointerVisitor* visitor) {
   intptr_t num_variables = raw_obj->ptr()->num_variables_;
   visitor->VisitPointers(raw_obj->from(), raw_obj->to(num_variables));
   return Context::InstanceSize(num_variables);
 }
 
 
 intptr_t RawContextScope::VisitContextScopePointers(
     RawContextScope* raw_obj, ObjectPointerVisitor* visitor) {
@@ skipping 323 matching lines @@
 intptr_t RawUserTag::VisitUserTagPointers(
     RawUserTag* raw_obj, ObjectPointerVisitor* visitor) {
   // Make sure that we got here with the tagged pointer as this.
   ASSERT(raw_obj->IsHeapObject());
   visitor->VisitPointers(raw_obj->from(), raw_obj->to());
   return UserTag::InstanceSize();
 }
 
 
 }  // namespace dart