From 61c8eccf24eb2368decfc669780c090fa1f25548 Mon Sep 17 00:00:00 2001
From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Thu, 8 Jul 2010 22:30:35 +0000
Subject: [PATCH] Remember the VR64 register class

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107920 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86InstrInfo.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index 1be64589d2f..6a6e86102ff 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -2080,6 +2080,8 @@ void X86InstrInfo::copyPhysReg(MachineBasicBlock &MBB,
       Opc = X86::MOV8rr;
   } else if (X86::VR128RegClass.contains(DestReg, SrcReg))
     Opc = X86::MOVAPSrr;
+  else if (X86::VR64RegClass.contains(DestReg, SrcReg))
+    Opc = X86::MMX_MOVQ64rr;
 
   if (Opc) {
     BuildMI(MBB, MI, DL, get(Opc), DestReg)
-- 
2.34.1