[llvm] r197878 - Use r2 when encoding tls on ppc32. Fixes PR18305.

[Roman Divacky]

Author: rdivacky
Date: Sun Dec 22 04:45:37 2013
New Revision: 197878

URL: http://llvm.org/viewvc/llvm-project?rev=197878&view=rev
Log:
Use r2 when encoding tls on ppc32. Fixes PR18305.

Modified:
    llvm/trunk/lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.cpp

Modified: llvm/trunk/lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.cpp?rev=197878&r1=197877&r2=197878&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.cpp (original)
+++ llvm/trunk/lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.cpp Sun Dec 22 04:45:37 2013
@@ -217,7 +217,8 @@ unsigned PPCMCCodeEmitter::getTLSRegEnco
   // Return the thread-pointer register's encoding.
   Fixups.push_back(MCFixup::Create(0, MO.getExpr(),
                                    (MCFixupKind)PPC::fixup_ppc_nofixup));
-  return CTX.getRegisterInfo()->getEncodingValue(PPC::X13);
+  bool isPPC64 = TT.getArch() == Triple::ppc64 || TT.getArch() == Triple::ppc64le;
+  return CTX.getRegisterInfo()->getEncodingValue(isPPC64 ? PPC::X13 : PPC::R2);
 }
 
 unsigned PPCMCCodeEmitter::getTLSCallEncoding(const MCInst &MI, unsigned OpNo,