Use SystemV ABI for CSS Selector JIT on Windows

[iangrunert]

d86cd42

Use SystemV ABI for CSS Selector JIT on Windows
https://bugs.webkit.org/show_bug.cgi?id=275971

Reviewed by Yusuke Suzuki.

Dropped the OS and PLATFORM checks for CSS JIT in PlatformEnable.h, we
rely on whether JIT is enabled instead.

* Source/WTF/wtf/PlatformEnable.h:
* Source/WebCore/cssjit/RegisterAllocator.h:
(WebCore::RegisterAllocator::isCallerSavedRegister):
* Source/WebCore/cssjit/SelectorCompiler.h:
(WebCore::SelectorCompiler::ruleCollectorSimpleSelectorChecker):
(WebCore::SelectorCompiler::querySelectorSimpleSelectorChecker):
(WebCore::SelectorCompiler::ruleCollectorSelectorCheckerWithCheckingContext):
(WebCore::SelectorCompiler::querySelectorSelectorCheckerWithCheckingContext):

Canonical link: https://commits.webkit.org/280439@main

37f126d

Misc	iOS, visionOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	✅ 🛠 wincairo
✅ 🧪 bindings	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	🧪 wpe-wk2	✅ 🧪 wincairo-tests
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🧪 api-mac	✅ 🧪 api-wpe
	✅ 🧪 ios-wk2-wpt	✅ 🧪 mac-wk1	✅ 🛠 wpe-cairo
✅ 🛠 🧪 jsc	🧪 api-ios	✅ 🧪 mac-wk2	✅ 🛠 gtk
✅ 🛠 🧪 jsc-arm64	✅ 🛠 vision	✅ 🧪 mac-AS-debug-wk2	🧪 gtk-wk2
	✅ 🛠 vision-sim	✅ 🧪 mac-wk2-stress	🧪 api-gtk
	✅ 🧪 vision-wk2		✅ 🛠 jsc-armv7
✅ 🛠 🧪 unsafe-merge	✅ 🛠 tv		✅ 🧪 jsc-armv7-tests
	✅ 🛠 tv-sim
	✅ 🛠 watch
	✅ 🛠 watch-sim

[webkit-early-warning-system]

EWS run on current version of this PR (hash 37f126d)

Details

Misc	iOS, visionOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	✅ 🛠 wincairo
✅ 🧪 bindings	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	🧪 wpe-wk2	✅ 🧪 wincairo-tests
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🧪 api-mac	✅ 🧪 api-wpe
	✅ 🧪 ios-wk2-wpt	✅ 🧪 mac-wk1	✅ 🛠 wpe-cairo
✅ 🛠 🧪 jsc	🧪 api-ios	✅ 🧪 mac-wk2	✅ 🛠 gtk
✅ 🛠 🧪 jsc-arm64	✅ 🛠 vision	✅ 🧪 mac-AS-debug-wk2	🧪 gtk-wk2
	✅ 🛠 vision-sim	✅ 🧪 mac-wk2-stress	🧪 api-gtk
	✅ 🧪 vision-wk2		✅ 🛠 jsc-armv7
✅ 🛠 🧪 unsafe-merge	✅ 🛠 tv		✅ 🧪 jsc-armv7-tests
	✅ 🛠 tv-sim
	✅ 🛠 watch
	✅ 🛠 watch-sim

[Constellation]

r=me

[webkit-commit-queue]

Committed 280439@main (d86cd42): https://commits.webkit.org/280439@main

Reviewed commits have been landed. Closing PR #30249 and removing active labels.