PPCJITInfo.cpp: Tweak r186252 with s/__ppc/__powerpc/ to work on powerpc-linux Fedora 12.

    g++ (GCC) 4.4.4 20100630 (Red Hat 4.4.4-10)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186396 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCJITInfo.cpp b/lib/Target/PowerPC/PPCJITInfo.cpp
index 9f4525b..1745061 100644
--- a/lib/Target/PowerPC/PPCJITInfo.cpp
+++ b/lib/Target/PowerPC/PPCJITInfo.cpp
@@ -71,7 +71,7 @@
 extern "C" void PPC32CompilationCallback();
 extern "C" void PPC64CompilationCallback();
 
-#if !defined(__ppc__) || defined(__ppc64__)
+#if !defined(__powerpc__) || defined(__powerpc64__)
 void PPC32CompilationCallback() {
   llvm_unreachable("This is not a 32bit PowerPC, you can't execute this!");
 }
@@ -202,7 +202,7 @@
     );
 #endif
 
-#ifndef __ppc64__
+#ifndef __powerpc64__
 void PPC64CompilationCallback() {
   llvm_unreachable("This is not a 64bit PowerPC, you can't execute this!");
 }