Commit PowerPC64 support from Carlo Bertolli at IBM.

llvm-svn: 215093
diff --git a/openmp/runtime/tools/lib/Platform.pm b/openmp/runtime/tools/lib/Platform.pm
index 5b399f7..077e649 100644
--- a/openmp/runtime/tools/lib/Platform.pm
+++ b/openmp/runtime/tools/lib/Platform.pm
@@ -50,6 +50,8 @@
             $arch = "32e";
         } elsif ( $arch =~ m{\Aarm(?:v7\D*)?\z} ) {
             $arch = "arm";
+        } elsif ( $arch =~ m{\Appc64} ) {
+        	$arch = "ppc64";            
         } else {
             $arch = undef;
         }; # if
@@ -159,6 +161,8 @@
         $_host_arch = "32e";
     } elsif ( $hardware_platform eq "arm" ) {
         $_host_arch = "arm";
+    } elsif ( $hardware_platform eq "ppc64" ) {
+        $_host_arch = "ppc64";
     } else {
         die "Unsupported host hardware platform: \"$hardware_platform\"; stopped";
     }; # if