src/runtime/runtime.cc - Issue 702243003: Basic array capacity feedback via allocation sites.

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Unified Diff: src/runtime/runtime.cc

Issue 702243003: Basic array capacity feedback via allocation sites. Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Update. Created 6 years, 1 month ago

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Index: src/runtime/runtime.cc

diff --git a/src/runtime/runtime.cc b/src/runtime/runtime.cc

index 837f689c223d88d71e84316aff6a8668ccac2638..74004105b38d739647fca7a105fe8ad0ca523955 100644

--- a/src/runtime/runtime.cc

+++ b/src/runtime/runtime.cc

@@ -108,6 +108,14 @@ RUNTIME_FUNCTION(Runtime_InternalSetPrototype) {

}

+RUNTIME_FUNCTION(Runtime_GetElementsCapacity) {

+ HandleScope scope(isolate);

+ DCHECK(args.length() == 1);

+ CONVERT_ARG_HANDLE_CHECKED(JSArray, obj, 0);

+ return Smi::FromInt(obj->elements()->length());

RUNTIME_FUNCTION(Runtime_SetPrototype) {

HandleScope scope(isolate);

DCHECK(args.length() == 2);

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