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Pretenure prototype transitions array.

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BUG=

Review URL: https://codereview.chromium.org/1513313003

Cr-Commit-Position: refs/heads/master@{#32790}
This commit is contained in:
hpayer 2015-12-11 03:24:37 -08:00 committed by Commit bot
parent bd104277c2
commit 0c778116bd
3 changed files with 4 additions and 7 deletions
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5
src/transitions-inl.h
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@ -37,10 +37,9 @@ FixedArray* TransitionArray::GetPrototypeTransitions() {
}
void TransitionArray::SetPrototypeTransitions(FixedArray* transitions,
WriteBarrierMode mode) {
void TransitionArray::SetPrototypeTransitions(FixedArray* transitions) {
DCHECK(transitions->IsFixedArray());
set(kPrototypeTransitionsIndex, transitions, mode);
set(kPrototypeTransitionsIndex, transitions);
}

2
src/transitions.cc
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@ -269,7 +269,7 @@ Handle<FixedArray> TransitionArray::GrowPrototypeTransitionArray(
new_capacity = Min(kMaxCachedPrototypeTransitions, new_capacity);
DCHECK_GT(new_capacity, capacity);
int grow_by = new_capacity - capacity;
array = isolate->factory()->CopyFixedArrayAndGrow(array, grow_by);
array = isolate->factory()->CopyFixedArrayAndGrow(array, grow_by, TENURED);
if (capacity < 0) {
// There was no prototype transitions array before, so the size
// couldn't be copied. Initialize it explicitly.

4
src/transitions.h
View File

@ -119,9 +119,7 @@ class TransitionArray: public FixedArray {
int value);
inline FixedArray* GetPrototypeTransitions();
inline void SetPrototypeTransitions(
FixedArray* prototype_transitions,
WriteBarrierMode mode = UPDATE_WRITE_BARRIER);
inline void SetPrototypeTransitions(FixedArray* prototype_transitions);
inline Object** GetPrototypeTransitionsSlot();
inline bool HasPrototypeTransitions();