diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp
--- a/clang/lib/Sema/SemaChecking.cpp
+++ b/clang/lib/Sema/SemaChecking.cpp
@@ -3297,6 +3297,11 @@
   case PPC::BI__builtin_ppc_addex:
   case PPC::BI__builtin_darn:
   case PPC::BI__builtin_darn_raw:
+  case PPC::BI__builtin_ppc_compare_and_swaplp:
+  case PPC::BI__builtin_ppc_fetch_and_addlp:
+  case PPC::BI__builtin_ppc_fetch_and_andlp:
+  case PPC::BI__builtin_ppc_fetch_and_orlp:
+  case PPC::BI__builtin_ppc_fetch_and_swaplp:
     return true;
   }
   return false;
diff --git a/clang/test/CodeGen/builtins-ppc-xlcompat-error.c b/clang/test/CodeGen/builtins-ppc-xlcompat-error.c
--- a/clang/test/CodeGen/builtins-ppc-xlcompat-error.c
+++ b/clang/test/CodeGen/builtins-ppc-xlcompat-error.c
@@ -104,6 +104,25 @@
 int test_darn_raw() {
   return __darn_raw(); //expected-error {{this builtin is only available on 64-bit targets}}
 }
+
+int test_builtin_ppc_compare_and_swaplp(long a, long b, long c) {
+  return __compare_and_swaplp(&a, &b, c); // expected-error {{this builtin is only available on 64-bit targets}}
+}
+
+void test_builtin_ppc_fetch_and_addlp(long a, long b) {
+  __fetch_and_addlp(&a, b); // expected-error {{this builtin is only available on 64-bit targets}}
+}
+
+void test_builtin_ppc_fetch_and_andlp(unsigned long a, unsigned long b) {
+  __fetch_and_andlp(&a, b); // expected-error {{this builtin is only available on 64-bit targets}}
+}
+void test_builtin_ppc_fetch_and_orlp(unsigned long a, unsigned long b) {
+  __fetch_and_orlp(&a, b); // expected-error {{this builtin is only available on 64-bit targets}}
+}
+
+void test_builtin_ppc_fetch_and_swaplp(unsigned long a, unsigned long b) {
+  __fetch_and_swaplp(&a, b); // expected-error {{this builtin is only available on 64-bit targets}}
+}
 #endif
 
 unsigned long test_mfspr(void) {