<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Hi Ana,</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">
The fix for fnmadd/fnmsub is OK for me.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">
But for single_use change, I'm not sure if the following claim is correct, and it depends on hardware implementation, right?</div><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="EN-US" link="blue" vlink="purple"><div class="h5"><p>AArch64 targets most probably have one MAC pipe and this will be a performance issue as well.</p></div></div></blockquote><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">
So I think at least it would be better to get them decoupled and upstreamed with two separate patches. If we find any mistake in future, it would be easy for us to roll back as well. Also this optimization could probably depends on different aarch64 target.<br>
</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Thanks,</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">
-Jiangning</div></div>
</div></div>