Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(26)

Unified Diff: src/objects.cc

Issue 25058004: Allow code to be cached in shared maps. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 3 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « src/objects.h ('k') | no next file » | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 9ddb6ff497e414313707d583793e696977518f3f..d92dfef27114ed1917504352662810c7e89acce2 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -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);
}
@@ -6957,8 +6947,6 @@ 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;
@@ -10401,13 +10389,6 @@ 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);
}
« no previous file with comments | « src/objects.h ('k') | no next file » | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698