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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [mips] fix offsets of branches that have to go over a jump"
href="https://bugs.webkit.org/show_bug.cgi?id=153464#c10">Comment # 10</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [mips] fix offsets of branches that have to go over a jump"
href="https://bugs.webkit.org/show_bug.cgi?id=153464">bug 153464</a>
from <span class="vcard"><a class="email" href="mailto:annulen@yandex.ru" title="Konstantin Tokarev <annulen@yandex.ru>"> <span class="fn">Konstantin Tokarev</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=153464#c3">comment #3</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=153464#c2">comment #2</a>)
> > There is a different approach to 256MB jumps proposed in
> > <a class="bz_bug_link
bz_status_NEW "
title="NEW - [MIPS] Use shorter j <address> jump in MacroAssembler::replaceWithJump."
href="show_bug.cgi?id=125920">https://bugs.webkit.org/show_bug.cgi?id=125920</a>. We use it in Qt port.
>
> Indeed, that patch would fix this bug as well (by removing the 2 nops at the
> start of branchEqual), but it also does a lot more and has been refused so
> far, hence my proposing this.</span >
Patch from 125920 works fine here in QtWebKit branch based on WebKitGTK 2.12. I think it also has some battle testing in old QtWebKit branch, used in Qt since 5.4 release (2014).
Though my device has less than 256MB of RAM available for WebKit, so I cannot code path for boundary cross.</pre>
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