[llvm-commits] [llvm] r161305 - /llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

[Craig Topper]

Author: ctopper
Date: Sat Aug  4 19:17:48 2012
New Revision: 161305

URL: http://llvm.org/viewvc/llvm-project?rev=161305&view=rev
Log:
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.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=161305&r1=161304&r2=161305&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Sat Aug  4 19:17:48 2012
@@ -11867,8 +11867,7 @@
       MIB.addOperand(Op);
   }
   BuildMI(*BB, MI, dl,
-    TII->get(Subtarget->hasAVX() ? X86::VMOVAPSrr : X86::MOVAPSrr),
-             MI->getOperand(0).getReg())
+    TII->get(TargetOpcode::COPY), MI->getOperand(0).getReg())
     .addReg(X86::XMM0);
 
   MI->eraseFromParent();