Bug 277672 – [JSC] Add JIT support for Float16Array

• Status: RESOLVED
• Resolution: FIXED
• Component: JavaScriptCore

[Yusuke Suzuki]

...

[Radar WebKit Bug Importer]

<rdar://problem/133271787>

[Yusuke Suzuki]

Pull request: https://github.com/WebKit/WebKit/pull/31775

[EWS]

Committed 281895@main (f20f57564cef): <https://commits.webkit.org/281895@main>

Reviewed commits have been landed. Closing PR #31775 and removing active labels.

[Diego Pino]

After this patch the build for Linux is failing on systems with GCC<12, since _Float16 is not defined for such versions of GCC.

https://build.webkit.org/#/builders/1060/builds/2320

```
/home/buildbot/worker/WPE-Linux-64-bit-Release-Ubuntu-2204-Build/build/Source/WTF/wtf/Float16.h: In function ‘constexpr float WTF::convertFloat16ToFloat32(uint16_t)’:
/home/buildbot/worker/WPE-Linux-64-bit-Release-Ubuntu-2204-Build/build/Source/WTF/wtf/Float16.h:59:45: error: ‘_Float16’ was not declared in this scope; did you mean ‘_Float64’?
   59 |     return static_cast<float>(std::bit_cast<_Float16>(h));
      |                                             ^~~~~~~~
      |                                             _Float64
```

[Diego Pino]

Re-opening for pull request https://github.com/webkit/webkit/pull/31800

[EWS]

Committed 281937@main (e2a2805dac3e): <https://commits.webkit.org/281937@main>

Reviewed commits have been landed. Closing PR #31800 and removing active labels.

[Diego Pino]

Re-opening for pull request https://github.com/webkit/webkit/pull/31830

[EWS]

Committed 281940@main (79af63a98ecb): <https://commits.webkit.org/281940@main>

Reviewed commits have been landed. Closing PR #31830 and removing active labels.

[WebKit Commit Bot]

Re-opened since this is blocked by bug 277761