Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 2cdbc56fb44240ae4946923d626f847afe82d5e4
https://github.com/WebKit/WebKit/commit/2cdbc56fb44240ae4946923d626f847afe82d5e4
Author: Andrew Fryer <a_fr...@apple.com>
Date: 2025-08-29 (Fri, 29 Aug 2025)
Changed paths:
M Source/JavaScriptCore/heap/BlockDirectory.cpp
M Source/JavaScriptCore/heap/BlockDirectoryBits.h
M Source/JavaScriptCore/heap/LocalAllocator.cpp
Log Message:
-----------
Change CanAllocateButNotEmpty to CanAllocate
https://bugs.webkit.org/show_bug.cgi?id=162121
rdar://159377308
Reviewed by Keith Miller and Yusuke Suzuki.
Change BlockDirectoryBits to store CanAllocate instead of
CanAllocateButNotEmpty. The difference is that CanAllocate is set for
empty blocks. This way, slow allocation doesn't need to bitwise or with
Empty to find a block for allocation.
* Source/JavaScriptCore/heap/BlockDirectory.cpp:
(JSC::BlockDirectory::findBlockForAllocation):
(JSC::BlockDirectory::endMarking):
* Source/JavaScriptCore/heap/BlockDirectoryBits.h:
* Source/JavaScriptCore/heap/LocalAllocator.cpp:
(JSC::LocalAllocator::tryAllocateWithoutCollecting):
(JSC::LocalAllocator::tryAllocateIn):
Canonical link: https://commits.webkit.org/299329@main
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