Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 2570633cde9906c52766c930173605fc00ddb418
https://github.com/WebKit/WebKit/commit/2570633cde9906c52766c930173605fc00ddb418
Author: Yusuke Suzuki <[email protected]>
Date: 2024-09-23 (Mon, 23 Sep 2024)
Changed paths:
M Source/WTF/wtf/BitVector.cpp
M Source/WTF/wtf/SIMDHelpers.h
Log Message:
-----------
[WTF] Accelerate BitSet::isEmptySlow
https://bugs.webkit.org/show_bug.cgi?id=280142
rdar://136440785
Reviewed by Yijia Huang.
Use SIMD to accelerate BitSet::isEmptySlow as it is shown as super hot
in register allocator.
* Source/WTF/wtf/BitVector.cpp:
(WTF::BitVector::isEmptySlow const):
* Source/WTF/wtf/SIMDHelpers.h:
(WTF::SIMD::isNonZero):
Canonical link: https://commits.webkit.org/284061@main
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