Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 0bdcca7bafd75e649e513b9151c7a35d052110f6
https://github.com/WebKit/WebKit/commit/0bdcca7bafd75e649e513b9151c7a35d052110f6
Author: Yusuke Suzuki <ysuz...@apple.com>
Date: 2024-02-19 (Mon, 19 Feb 2024)
Changed paths:
M Source/WebCore/html/NumberInputType.cpp
M Source/WebCore/html/parser/HTMLParserIdioms.cpp
M Source/WebCore/platform/Decimal.cpp
M Source/WebCore/platform/Decimal.h
M Tools/TestWebKitAPI/CMakeLists.txt
M Tools/TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj
A Tools/TestWebKitAPI/Tests/WebCore/Decimal.cpp
Log Message:
-----------
Add Decimal::doubleMax
https://bugs.webkit.org/show_bug.cgi?id=269161
rdar://122739403
Reviewed by Justin Michaud.
Decimal::fromDouble(std::numeric_limits<double>::max()) is surprisingly slow.
So, in this patch,
1. We made various functions in Decimal as constexpr to make a lot of Decimal
constant computation constexpr.
2. Add Decimal::doubleMax and use it instead.
3. Do not allocate WTF::String when using Decimal::fromDouble. We use
fixed-sized string buffer instead.
4. Remove UInt128 implementation in Decimal.cpp and use wtf/Int128.h's UInt128.
* Source/WebCore/html/NumberInputType.cpp:
(WebCore::NumberInputType::createStepRange const):
* Source/WebCore/html/parser/HTMLParserIdioms.cpp:
(WebCore::parseToDecimalForNumberType):
* Source/WebCore/platform/Decimal.cpp:
(WebCore::Decimal::fromDouble):
(WebCore::Decimal::EncodedData::EncodedData): Deleted.
(WebCore::Decimal::Decimal): Deleted.
(WebCore::Decimal::operator=): Deleted.
(WebCore::Decimal::operator== const): Deleted.
(WebCore::Decimal::infinity): Deleted.
(WebCore::Decimal::nan): Deleted.
(WebCore::Decimal::zero): Deleted.
* Source/WebCore/platform/Decimal.h:
(WebCore::Decimal::Decimal):
(WebCore::Decimal::EncodedData::EncodedData):
(WebCore::Decimal::operator== const):
(WebCore::Decimal::infinity):
(WebCore::Decimal::nan):
(WebCore::Decimal::zero):
(WebCore::Decimal::doubleMax):
* Tools/TestWebKitAPI/CMakeLists.txt:
* Tools/TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj:
* Tools/TestWebKitAPI/Tests/WebCore/Decimal.cpp: Added.
(TestWebKitAPI::TEST):
Canonical link: https://commits.webkit.org/274982@main
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