AuroraMiddleware/v8
1
0
Fork 0
Code Issues 2 Pull Requests Releases Wiki Activity

[ic] Detailize some elements store specific runtime call stats counters.

Browse Source 
BUG=v8:5561

Review-Url: https://codereview.chromium.org/2489293002
Cr-Commit-Position: refs/heads/master@{#40890}
This commit is contained in:
ishell 2016-11-10 04:39:09 -08:00 committed by Commit bot
parent 832439ab8f
commit f15373fdab
3 changed files with 72 additions and 78 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/counters.h
View File

@ -744,10 +744,11 @@ class RuntimeCallTimer {
V(KeyedLoadIC_LoadFastElementStub) \
V(KeyedLoadIC_LoadDictionaryElementStub) \
V(KeyedLoadIC_SlowStub) \
V(KeyedStoreIC_ElementsTransitionAndStoreStub) \
V(KeyedStoreIC_KeyedStoreSloppyArgumentsStub) \
V(KeyedStoreIC_SlowStub) \
V(KeyedStoreIC_StoreFastElementStub) \
V(KeyedStoreIC_StoreElementStub) \
V(KeyedStoreIC_Polymorphic) \
V(LoadIC_FunctionPrototypeStub) \
V(LoadIC_HandlerCacheHit_AccessCheck) \
V(LoadIC_HandlerCacheHit_Exotic) \

16
src/ic/ic-compiler.cc
View File

@ -56,9 +56,11 @@ void PropertyICCompiler::CompileKeyedStorePolymorphicHandlers(
// Tracking to do a better job of ensuring the data types are what they need
// to be. Not all the elements are in place yet, pessimistic elements
// transitions are still important for performance.
if (!transitioned_map.is_null()) {
bool is_js_array = receiver_map->instance_type() == JS_ARRAY_TYPE;
ElementsKind elements_kind = receiver_map->elements_kind();
if (!transitioned_map.is_null()) {
TRACE_HANDLER_STATS(isolate(),
KeyedStoreIC_ElementsTransitionAndStoreStub);
cached_stub =
ElementsTransitionAndStoreStub(isolate(), elements_kind,
transitioned_map->elements_kind(),
@ -66,19 +68,11 @@ void PropertyICCompiler::CompileKeyedStorePolymorphicHandlers(
} else if (receiver_map->instance_type() < FIRST_JS_RECEIVER_TYPE) {
// TODO(mvstanton): Consider embedding store_mode in the state of the slow
// keyed store ic for uniformity.
TRACE_HANDLER_STATS(isolate(), KeyedStoreIC_SlowStub);
cached_stub = isolate()->builtins()->KeyedStoreIC_Slow();
} else {
if (IsSloppyArgumentsElements(elements_kind)) {
cached_stub =
KeyedStoreSloppyArgumentsStub(isolate(), store_mode).GetCode();
} else if (receiver_map->has_fast_elements() ||
receiver_map->has_fixed_typed_array_elements()) {
cached_stub = StoreFastElementStub(isolate(), is_js_array,
elements_kind, store_mode).GetCode();
} else {
cached_stub =
StoreElementStub(isolate(), elements_kind, store_mode).GetCode();
}
CompileKeyedStoreMonomorphicHandler(receiver_map, store_mode);
}
DCHECK(!cached_stub.is_null());
handlers->Add(cached_stub);

1
src/ic/ic.cc
View File

@ -2282,7 +2282,6 @@ void KeyedStoreIC::UpdateStoreElement(Handle<Map> receiver_map,
}
}
TRACE_HANDLER_STATS(isolate(), KeyedStoreIC_Polymorphic);
MapHandleList transitioned_maps(target_receiver_maps.length());
CodeHandleList handlers(target_receiver_maps.length());
PropertyICCompiler::ComputeKeyedStorePolymorphicHandlers(