src/runtime.cc - Issue 197793003: Use intrinsics for builtin ArrayBuffer property accesses

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Unified Diff: src/runtime.cc

Issue 197793003: Use intrinsics for builtin ArrayBuffer property accesses (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Created 6 years, 9 months ago

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Index: src/runtime.cc

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

index 71ea2d0f75cb6e51e9ea29fb079aae9600c23345..7d2c703e34a687a0a4eaf87802481cf4f06cb765 100644

--- a/src/runtime.cc

+++ b/src/runtime.cc

@@ -952,6 +952,10 @@ RUNTIME_FUNCTION(MaybeObject*, Runtime_TypedArrayInitializeFromArrayLike) {

Runtime::ArrayIdToTypeAndSize(arrayId, &array_type, &element_size);

Handle<JSArrayBuffer> buffer = isolate->factory()->NewJSArrayBuffer();

+ if (source->IsJSTypedArray() &&

+ JSTypedArray::cast(*source)->type() == array_type) {

+ length_obj = Handle<Object>(JSTypedArray::cast(*source)->length(), isolate);

+ }

size_t length = NumberToSize(isolate, *length_obj);

if ((length > static_cast<unsigned>(Smi::kMaxValue)) ||

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