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Allow code to be cached in shared maps.

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R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/25058004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17020 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
verwaest@chromium.org 2013-09-30 15:28:52 +00:00
parent e7669d9308
commit fa742f84a4
2 changed files with 0 additions and 21 deletions
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19
src/objects.cc
View File

@ -4449,16 +4449,6 @@ void HeapObject::UpdateMapCodeCache(Handle<HeapObject> object,
Handle<Name> name,
Handle<Code> code) {
Handle<Map> map(object->map());
if (map->is_shared()) {
Handle<JSObject> receiver = Handle<JSObject>::cast(object);
// Fast case maps are never marked as shared.
ASSERT(!receiver->HasFastProperties());
// Replace the map with an identical copy that can be safely modified.
map = Map::CopyNormalized(map, KEEP_INOBJECT_PROPERTIES,
UNIQUE_NORMALIZED_MAP);
receiver->GetIsolate()->counters()->normalized_maps()->Increment();
receiver->set_map(*map);
}
Map::UpdateCodeCache(map, name, code);
}
@ -7023,8 +7013,6 @@ void Map::UpdateCodeCache(Handle<Map> map,
MaybeObject* Map::UpdateCodeCache(Name* name, Code* code) {
ASSERT(!is_shared() || code->allowed_in_shared_map_code_cache());
// Allocate the code cache if not present.
if (code_cache()->IsFixedArray()) {
Object* result;
@ -10467,13 +10455,6 @@ BailoutId Code::TranslatePcOffsetToAstId(uint32_t pc_offset) {
}
bool Code::allowed_in_shared_map_code_cache() {
return is_keyed_load_stub() || is_keyed_store_stub() ||
(is_compare_ic_stub() &&
ICCompareStub::CompareState(stub_info()) == CompareIC::KNOWN_OBJECT);
}
void Code::MakeCodeAgeSequenceYoung(byte* sequence, Isolate* isolate) {
PatchPlatformCodeAge(isolate, sequence, kNoAge, NO_MARKING_PARITY);
}

2
src/objects.h
View File

@ -4984,8 +4984,6 @@ class Code: public HeapObject {
inline bool marked_for_deoptimization();
inline void set_marked_for_deoptimization(bool flag);
bool allowed_in_shared_map_code_cache();
// Get the safepoint entry for the given pc.
SafepointEntry GetSafepointEntry(Address pc);