<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Hi James,</div><div class="gmail_extra"><br></div><div class="gmail_extra"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">​  Sorry for the bothering. On previous discussion on <a href="http://lists.llvm.org/pipermail/llvm-dev/2017-June/114248.html">http://lists.llvm.org/pipermail/llvm-dev/2017-June/114248.html</a> ,</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">I suggest others refering to Sparc implementation, lowering load i64 to load v2i32.​ But I find one problem recently,</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">it's about bitfield access. If one struct with bitfield has 64-bit size, the bitfield access generates a lot load/store</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">instructions, which come from load v2i32. Are you aware of such problem?</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Thanks.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Regards,</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">chenwj</div><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div>Wei-Ren Chen (陳韋任)<br>Homepage: <a href="https://people.cs.nctu.edu.tw/~chenwj" target="_blank">https://people.cs.nctu.edu.tw/~chenwj</a></div></div></div>
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