factorize darwin ProtectedDirective and SetDirective.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78732 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
index e20fd4e..4f69f7e 100644
--- a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
+++ b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
@@ -31,8 +31,8 @@
   const PPCSubtarget *Subtarget = &TM.getSubtarget<PPCSubtarget>();
   bool isPPC64 = Subtarget->isPPC64();
   
-  SetDirective = "\t.set";
-  Data64bitsDirective = isPPC64 ? "\t.quad\t" : 0;
+  if (!isPPC64)
+    Data64bitsDirective = 0;      // we can't emit a 64-bit unit
   AlignmentIsInBytes = false;
   LCOMMDirective = "\t.lcomm\t";
   InlineAsmStart = "# InlineAsm Start";