[webkit-dev] Bring back ARMv6 support to JSC

[Saam barati]

What’s the testing plan here? Do y'all plan to add a bot that ensures ARMv6 stays working?

- Saam

> On Jun 13, 2017, at 6:48 PM, Caio Lima <ticaiolima at gmail.com> wrote:
> 
> Hi All.
> 
> Some of you guys might know me through the work I have been doing in
> JSC. The experience working with WebKit has been great so far, thank
> you for the reviews!
> 
> Since 1st May, we at Igalia have been working on bring back the ARMv6
> support into JSC. We already have commits into our downstream branch
> port[2] that fixes some compile/runtime errors when building JSC to
> ARMv6 and also fixes some bugs. However, this branch is not synced
> with WebKit upstream tree and I would like to pursue the upstreaming
> of this ARMv6/JSC support to WebKit.
> 
> As a long shot, we are planning to maintain the ARMv6 support and make
> tests run as green as possible. Also, it's our goal make ARMv6 support
> not interfere with other ARM versions support code negatively and we
> will be in charge of implement platform-specific fixes/features for
> JSC/ARM6, this way no imposing burden to the rest of the community.
> 
> To keep track of work to be done, I've create a meta-bug in
> bugzilla[3] and it's going to be used firstly to organize the commits
> from our downstream branch, but pretty soon I'm going to create issues
> related with javascriptcore-test failures and send patches to fix
> them. We have already submitted 3 patches (they are marked as
> dependence of [3]) that fixes ARMv6 into LLInt and JIT layers and got
> a round of review into them.
> 
> Best Regards,
> Caio.
> 
> [1] - https://www.igalia.com/about-us/coding-experience
> [2] - https://github.com/WebPlatformForEmbedded/WPEWebKit
> [3] - https://bugs.webkit.org/show_bug.cgi?id=172765
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