Revert 78892 and 78895, these break generating working executables on
x86_64-apple-darwin10.

--- Reverse-merging r78895 into '.':
U    test/CodeGen/PowerPC/2008-12-12-EH.ll
U    lib/Target/DarwinTargetAsmInfo.cpp
--- Reverse-merging r78892 into '.':
U    include/llvm/Target/DarwinTargetAsmInfo.h
U    lib/Target/X86/X86TargetAsmInfo.cpp
U    lib/Target/X86/X86TargetAsmInfo.h
U    lib/Target/ARM/ARMTargetAsmInfo.h
U    lib/Target/ARM/ARMTargetMachine.cpp
U    lib/Target/ARM/ARMTargetAsmInfo.cpp
U    lib/Target/PowerPC/PPCTargetAsmInfo.cpp
U    lib/Target/PowerPC/PPCTargetAsmInfo.h
U    lib/Target/PowerPC/PPCTargetMachine.cpp
G    lib/Target/DarwinTargetAsmInfo.cpp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78919 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index a0d4fdb..41f4699 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -23,9 +23,10 @@
 static const TargetAsmInfo *createTargetAsmInfo(const Target &T,
                                                 const StringRef &TT) {
   Triple TheTriple(TT);
+  bool isPPC64 = TheTriple.getArch() == Triple::ppc64;
   if (TheTriple.getOS() == Triple::Darwin)
-    return new PPCDarwinTargetAsmInfo(TheTriple);
-  return new PPCLinuxTargetAsmInfo(TheTriple);
+    return new PPCDarwinTargetAsmInfo(isPPC64);
+  return new PPCLinuxTargetAsmInfo(isPPC64);
   
 }