Test case?<div class="gmail_extra"><br><br><div class="gmail_quote">On Sat, Aug 4, 2012 at 5:17 PM, Craig Topper <span dir="ltr"><<a href="mailto:craig.topper@gmail.com" target="_blank">craig.topper@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Author: ctopper<br>
Date: Sat Aug  4 19:17:48 2012<br>
New Revision: 161305<br>
<br>
URL: <a href="http://llvm.org/viewvc/llvm-project?rev=161305&view=rev" target="_blank">http://llvm.org/viewvc/llvm-project?rev=161305&view=rev</a><br>
Log:<br>
Use a COPY node instead of an explicit MOVA opcode in the custom insterter for pcmpestrm/pcmpistrm. Allows the register allocator to handle it better and prevent wasted identity moves.<br>
<br>
Modified:<br>
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp<br>
<br>
Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp<br>
URL: <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=161305&r1=161304&r2=161305&view=diff" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=161305&r1=161304&r2=161305&view=diff</a><br>

==============================================================================<br>
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)<br>
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Sat Aug  4 19:17:48 2012<br>
@@ -11867,8 +11867,7 @@<br>
       MIB.addOperand(Op);<br>
   }<br>
   BuildMI(*BB, MI, dl,<br>
-    TII->get(Subtarget->hasAVX() ? X86::VMOVAPSrr : X86::MOVAPSrr),<br>
-             MI->getOperand(0).getReg())<br>
+    TII->get(TargetOpcode::COPY), MI->getOperand(0).getReg())<br>
     .addReg(X86::XMM0);<br>
<br>
   MI->eraseFromParent();<br>
<br>
<br>
_______________________________________________<br>
llvm-commits mailing list<br>
<a href="mailto:llvm-commits@cs.uiuc.edu">llvm-commits@cs.uiuc.edu</a><br>
<a href="http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits" target="_blank">http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits</a><br>
</blockquote></div><br></div>