From: Akira Hatanaka <ahatanaka@mips.com>
Date: Tue, 27 Mar 2012 00:40:56 +0000 (+0000)
Subject: Reserve hardware registers.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7067d4e4de8e0d795fb16c7c10fcf98028ca7577;p=oota-llvm.git

Reserve hardware registers.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153486 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/Mips/MipsRegisterInfo.cpp b/lib/Target/Mips/MipsRegisterInfo.cpp
index 5cfda347e4a..70545f4c0b0 100644
--- a/lib/Target/Mips/MipsRegisterInfo.cpp
+++ b/lib/Target/Mips/MipsRegisterInfo.cpp
@@ -125,6 +125,10 @@ getReservedRegs(const MachineFunction &MF) const {
     Reserved.set(Mips::GP_64);
   }
 
+  // Reserve hardware registers.
+  Reserved.set(Mips::HWR29);
+  Reserved.set(Mips::HWR29_64);
+
   return Reserved;
 }