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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - op_get_by_id_with_this should use inline caching"
href="https://bugs.webkit.org/show_bug.cgi?id=162124#c60">Comment # 60</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - op_get_by_id_with_this should use inline caching"
href="https://bugs.webkit.org/show_bug.cgi?id=162124">bug 162124</a>
from <span class="vcard"><a class="email" href="mailto:utatane.tea@gmail.com" title="Yusuke Suzuki <utatane.tea@gmail.com>"> <span class="fn">Yusuke Suzuki</span></a>
</span></b>
<pre>Comment on <span class=""><a href="attachment.cgi?id=297746&action=diff" name="attach_297746" title="Patch Updated">attachment 297746</a> <a href="attachment.cgi?id=297746&action=edit" title="Patch Updated">[details]</a></span>
Patch Updated
View in context: <a href="https://bugs.webkit.org/attachment.cgi?id=297746&action=review">https://bugs.webkit.org/attachment.cgi?id=297746&action=review</a>
<span class="quote">>> Source/JavaScriptCore/bytecode/PolymorphicAccess.cpp:971
>> + GPRReg baseForCustomGetGPR = baseGPR != thisGPR ? thisGPR : baseForGetGPR;
>
> Is this correct? Does DOMJIT expect the property holder or the receiver? This is a good question for Yusuke.</span >
DOMJIT custom getter assumes that the base value should be the DOM object.
So it is imcompatible with op_get_by_id_with_this.
For now, you can drop the DOMJIT acceleration support for `baseGPR != thisGPR` case.</pre>
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