From d8ab90ae1fe777c2b5dd955baee5d8b06fed0f93 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Thu, 27 Sep 2007 21:50:05 +0000
Subject: [PATCH] Use GR64 in 64-bit mode.

llvm-svn: 42417
---
 lib/Target/X86/X86RegisterInfo.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp
index fdb259cd0e6..5607cad09b3 100644
--- a/lib/Target/X86/X86RegisterInfo.cpp
+++ b/lib/Target/X86/X86RegisterInfo.cpp
@@ -299,7 +299,10 @@ void X86RegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
 const TargetRegisterClass *
 X86RegisterInfo::getCrossCopyRegClass(const TargetRegisterClass *RC) const {
   if (RC == &X86::CCRRegClass)
-    return &X86::GR32RegClass;
+    if (Is64Bit)
+      return &X86::GR64RegClass;
+    else
+      return &X86::GR32RegClass;
   return NULL;
 }