Use SIMD in HasConstantValue() in BiquadDSPKernel

[cdumez]

0a313d9

Use SIMD in HasConstantValue() in BiquadDSPKernel
https://bugs.webkit.org/show_bug.cgi?id=264488

Reviewed by Jean-Yves Avenard.

Cherry-pick the following optimization from Blink:
https://chromium-review.googlesource.com/c/chromium/src/+/4605295

Original patch by Ho Cheung.

* Source/WebCore/Modules/webaudio/BiquadDSPKernel.cpp:
(WebCore::hasConstantValue):

Canonical link: https://commits.webkit.org/270669@main

8826f18

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

[webkit-early-warning-system]

EWS run on current version of this PR (hash 8826f18)

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

[jyavenard]

Do we have test coverage for this?

[cdumez]

Do we have test coverage for this?

It gets called many times when running the web audio layout tests and the tests are still passing.

[webkit-commit-queue]

Committed 270669@main (0a313d9): https://commits.webkit.org/270669@main

Reviewed commits have been landed. Closing PR #20233 and removing active labels.