[webkit-changes] [WebKit/WebKit] 36ff06: Avoid CompactPtr expansion if unnecessary
Yusuke Suzuki
noreply at github.com
Thu Dec 22 17:09:52 PST 2022
Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 36ff06c62fdb1c3f88d3360e6833bb2e840b0480
https://github.com/WebKit/WebKit/commit/36ff06c62fdb1c3f88d3360e6833bb2e840b0480
Author: Yusuke Suzuki <ysuzuki at apple.com>
Date: 2022-12-22 (Thu, 22 Dec 2022)
Changed paths:
M Source/WTF/wtf/CompactPtr.h
M Source/WTF/wtf/HashTraits.h
M Source/WTF/wtf/Packed.h
M Source/WTF/wtf/RefPtr.h
M Source/WTF/wtf/text/AtomStringImpl.cpp
Log Message:
-----------
Avoid CompactPtr expansion if unnecessary
https://bugs.webkit.org/show_bug.cgi?id=249572
rdar://103506006
Reviewed by Justin Michaud.
This patch adds operator== etc. for CompactPtr and adjust HashTraits for CompactPtr so that
we can avoid pointer expansion while using CompactPtr in HashTable: comparison of CompactPtrs
and hash computation don't need pointer expansion.
* Source/WTF/wtf/CompactPtr.h:
(WTF::CompactPtr::operator==):
(WTF::CompactPtr::operator!=):
(WTF::CompactPtr::storage const):
(WTF::operator==):
(WTF::operator!=):
(WTF::DefaultHash<CompactPtr<P>>::hash):
(WTF::DefaultHash<CompactPtr<P>>::equal):
* Source/WTF/wtf/HashTraits.h:
(WTF::HashTraits<CompactPtr<P>>::peek):
* Source/WTF/wtf/Packed.h:
(WTF::operator==):
(WTF::operator!=):
* Source/WTF/wtf/RefPtr.h:
(WTF::operator==):
(WTF::operator!=):
* Source/WTF/wtf/text/AtomStringImpl.cpp:
(WTF::AtomStringTableRemovalHashTranslator::equal):
Canonical link: https://commits.webkit.org/258271@main
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