[osr] Increase Code::profiler_ticks to 28 bits.

src/objects-inl.h

 // 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.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 4584 matching lines @@
   DCHECK_EQ(FUNCTION, kind());
   DCHECK(level >= 0 && level <= kMaxLoopNestingMarker);
   int previous = READ_UINT32_FIELD(this, kKindSpecificFlags2Offset);
   int updated = AllowOSRAtLoopNestingLevelField::update(previous, level);
   WRITE_UINT32_FIELD(this, kKindSpecificFlags2Offset, updated);
 }
 
 
 int Code::profiler_ticks() {
   DCHECK_EQ(FUNCTION, kind());
-  return READ_BYTE_FIELD(this, kProfilerTicksOffset);
+  return ProfilerTicksField::decode(
+      READ_UINT32_FIELD(this, kKindSpecificFlags1Offset));
 }
 
 
 void Code::set_profiler_ticks(int ticks) {
-  DCHECK(ticks < 256);
   if (kind() == FUNCTION) {
-    WRITE_BYTE_FIELD(this, kProfilerTicksOffset, ticks);
+    unsigned previous = READ_UINT32_FIELD(this, kKindSpecificFlags1Offset);
+    unsigned updated = ProfilerTicksField::update(previous, ticks);
+    WRITE_UINT32_FIELD(this, kKindSpecificFlags1Offset, updated);
   }
 }
 
 
 int Code::builtin_index() {
   return READ_INT32_FIELD(this, kKindSpecificFlags1Offset);
 }
 
 
 void Code::set_builtin_index(int index) {
@@ skipping 2691 matching lines @@
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_