diff options
Diffstat (limited to 'deps/v8/src/bootstrapper.cc')
| -rw-r--r-- | deps/v8/src/bootstrapper.cc | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/deps/v8/src/bootstrapper.cc b/deps/v8/src/bootstrapper.cc index 12f0cdac6b..85bf96e4d4 100644 --- a/deps/v8/src/bootstrapper.cc +++ b/deps/v8/src/bootstrapper.cc @@ -43,6 +43,7 @@ #include "extensions/externalize-string-extension.h" #include "extensions/gc-extension.h" #include "extensions/statistics-extension.h" +#include "code-stubs.h" namespace v8 { namespace internal { @@ -862,8 +863,6 @@ bool Genesis::InitializeGlobal(Handle<GlobalObject> inner_global, InstallFunction(global, "Array", JS_ARRAY_TYPE, JSArray::kSize, isolate->initial_object_prototype(), Builtins::kArrayCode, true); - array_function->shared()->set_construct_stub( - isolate->builtins()->builtin(Builtins::kArrayConstructCode)); array_function->shared()->DontAdaptArguments(); // This seems a bit hackish, but we need to make sure Array.length @@ -890,6 +889,17 @@ bool Genesis::InitializeGlobal(Handle<GlobalObject> inner_global, // as the constructor. 'Array' property on a global object can be // overwritten by JS code. native_context()->set_array_function(*array_function); + + if (FLAG_optimize_constructed_arrays) { + // Cache the array maps, needed by ArrayConstructorStub + CacheInitialJSArrayMaps(native_context(), initial_map); + ArrayConstructorStub array_constructor_stub(isolate); + Handle<Code> code = array_constructor_stub.GetCode(isolate); + array_function->shared()->set_construct_stub(*code); + } else { + array_function->shared()->set_construct_stub( + isolate->builtins()->builtin(Builtins::kCommonArrayConstructCode)); + } } { // --- N u m b e r --- @@ -1303,10 +1313,12 @@ void Genesis::InitializeExperimentalGlobal() { if (FLAG_harmony_typed_arrays) { { // -- A r r a y B u f f e r - InstallFunction(global, "__ArrayBuffer", JS_ARRAY_BUFFER_TYPE, - JSArrayBuffer::kSize, - isolate()->initial_object_prototype(), - Builtins::kIllegal, true); + Handle<JSFunction> array_buffer_fun = + InstallFunction(global, "__ArrayBuffer", JS_ARRAY_BUFFER_TYPE, + JSArrayBuffer::kSize, + isolate()->initial_object_prototype(), + Builtins::kIllegal, true); + native_context()->set_array_buffer_fun(*array_buffer_fun); } { // -- T y p e d A r r a y s @@ -1533,13 +1545,8 @@ Handle<JSFunction> Genesis::InstallInternalArray( factory()->NewJSObject(isolate()->object_function(), TENURED); SetPrototype(array_function, prototype); - // TODO(mvstanton): For performance reasons, this code would have to - // be changed to successfully run with FLAG_optimize_constructed_arrays. - // The next checkin to enable FLAG_optimize_constructed_arrays by - // default will address this. - CHECK(!FLAG_optimize_constructed_arrays); array_function->shared()->set_construct_stub( - isolate()->builtins()->builtin(Builtins::kArrayConstructCode)); + isolate()->builtins()->builtin(Builtins::kCommonArrayConstructCode)); array_function->shared()->DontAdaptArguments(); |