diff options
| author | Ryan Dahl <ry@tinyclouds.org> | 2010-12-10 11:21:47 -0800 |
|---|---|---|
| committer | Ryan Dahl <ry@tinyclouds.org> | 2010-12-16 12:10:54 -0800 |
| commit | c6406f9e5775deb5d76baac572a3050a358beb17 (patch) | |
| tree | 90c5b40124db9c82fe28e4a98e68af2b03ce4048 /deps/v8/src/spaces-inl.h | |
| parent | ea700a8851023a1967083f22daa40f4c7a4366bf (diff) | |
| download | node-new-c6406f9e5775deb5d76baac572a3050a358beb17.tar.gz | |
Apply V8 r5951 to fix Mac build
From f3973972b727df480697443871d780596aba0201 Mon Sep 17 00:00:00 2001
From: erik.corry@gmail.com <erik.corry@gmail.com@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Date: Wed, 8 Dec 2010 16:23:25 +0000
Subject: [PATCH] Speed up quoting of JSON strings by allocating a string that is big enough
and then trimming it when the length is known. This way we only have to
traverse the input once.
Review URL: http://codereview.chromium.org/5556012
Diffstat (limited to 'deps/v8/src/spaces-inl.h')
| -rw-r--r-- | deps/v8/src/spaces-inl.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/deps/v8/src/spaces-inl.h b/deps/v8/src/spaces-inl.h index ad09ae2e04..aaca9e45ca 100644 --- a/deps/v8/src/spaces-inl.h +++ b/deps/v8/src/spaces-inl.h @@ -481,7 +481,7 @@ void LargeObjectChunk::Free(Executability executable) { } // ----------------------------------------------------------------------------- -// LargeObjectSpace +// NewSpace MaybeObject* NewSpace::AllocateRawInternal(int size_in_bytes, AllocationInfo* alloc_info) { @@ -501,6 +501,18 @@ MaybeObject* NewSpace::AllocateRawInternal(int size_in_bytes, } +template <typename StringType> +void NewSpace::ShrinkStringAtAllocationBoundary(String* string, int length) { + ASSERT(length <= string->length()); + ASSERT(string->IsSeqString()); + ASSERT(string->address() + StringType::SizeFor(string->length()) == + allocation_info_.top); + allocation_info_.top = + string->address() + StringType::SizeFor(length); + string->set_length(length); +} + + bool FreeListNode::IsFreeListNode(HeapObject* object) { return object->map() == Heap::raw_unchecked_byte_array_map() || object->map() == Heap::raw_unchecked_one_pointer_filler_map() |