src/objects.h - Issue 2874453002: [turbofan] Boost performance of Array.prototype.shift by 4x.

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Unified Diff: src/objects.h

Issue 2874453002: [turbofan] Boost performance of Array.prototype.shift by 4x. (Closed)

Patch Set: Cosmetic fixes. Created 3 years, 7 months ago

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Index: src/objects.h

diff --git a/src/objects.h b/src/objects.h

index f7acf9c0079bec587c73f9b9c9cb96c37878d1c0..77606495f03a2fff164db898b7da974dc1e67826 100644

--- a/src/objects.h

+++ b/src/objects.h

@@ -9598,6 +9598,9 @@ class JSArray: public JSObject {

static const int kLengthOffset = JSObject::kHeaderSize;

static const int kSize = kLengthOffset + kPointerSize;

+ // Max. number of elements being copied in Array builtins.

+ static const int kMaxCopyElements = 16;

static const int kInitialMaxFastElementArray =

(kMaxRegularHeapObjectSize - FixedArray::kHeaderSize - kSize -

AllocationMemento::kSize) /

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