diff --git a/clang/lib/Headers/altivec.h b/clang/lib/Headers/altivec.h
--- a/clang/lib/Headers/altivec.h
+++ b/clang/lib/Headers/altivec.h
@@ -7109,6 +7109,11 @@
   return (vector float)((vector unsigned int)__a | ~__b);
 }
 
+static __inline__ vector float __ATTRS_o_ai vec_orc(vector float __a,
+                                                    vector float __b) {
+  return (vector float)((vector unsigned int)__a | ~(vector unsigned int)__b);
+}
+
 static __inline__ vector signed long long __ATTRS_o_ai
 vec_orc(vector signed long long __a, vector signed long long __b) {
   return __a | ~__b;
@@ -7153,6 +7158,12 @@
 vec_orc(vector bool long long __a, vector double __b) {
   return (vector double)(__a | ~(vector unsigned long long)__b);
 }
+
+static __inline__ vector double __ATTRS_o_ai vec_orc(vector double __a,
+                                                     vector double __b) {
+  return (vector double)((vector bool long long)__a |
+                         ~(vector unsigned long long)__b);
+}
 #endif
 
 /* vec_vor */
diff --git a/clang/test/CodeGen/builtins-ppc-p8vector.c b/clang/test/CodeGen/builtins-ppc-p8vector.c
--- a/clang/test/CodeGen/builtins-ppc-p8vector.c
+++ b/clang/test/CodeGen/builtins-ppc-p8vector.c
@@ -35,7 +35,9 @@
 vector unsigned __int128 vux = { 1 };
 
 vector float vfa = { 1.e-4f, -132.23f, -22.1, 32.00f };
+vector float vfb = { 1.e-4f, -132.23f, -22.1, 32.00f };
 vector double vda = { 1.e-11, -132.23e10 };
+vector double vdb = { 1.e-11, -132.23e10 };
 
 int res_i;
 double res_d;
@@ -1067,6 +1069,12 @@
 // CHECK: [[T1:%.+]] = xor <4 x i32> {{%.+}}, <i32 -1, i32 -1, i32 -1, i32 -1>
 // CHECK: or <4 x i32> {{%.+}}, [[T1]]
 // CHECK-LE: [[T1:%.+]] = xor <4 x i32> {{%.+}}, <i32 -1, i32 -1, i32 -1, i32 -1>
+// CHECK-LE: or <4 x i32> {{%.+}}, [[T1]]
+
+  res_vf = vec_orc(vfa, vfb);
+// CHECK: [[T1:%.+]] = xor <4 x i32> {{%.+}}, <i32 -1, i32 -1, i32 -1, i32 -1>
+// CHECK: or <4 x i32> {{%.+}}, [[T1]]
+// CHECK-LE: [[T1:%.+]] = xor <4 x i32> {{%.+}}, <i32 -1, i32 -1, i32 -1, i32 -1>
 // CHECK-LE: or <4 x i32> {{%.+}}, [[T1]]
 
   res_vsll = vec_orc(vsll, vsll);
@@ -1121,6 +1129,12 @@
 // CHECK: [[T1:%.+]] = xor <2 x i64> {{%.+}}, <i64 -1, i64 -1>
 // CHECK: or <2 x i64> {{%.+}}, [[T1]]
 // CHECK-LE: [[T1:%.+]] = xor <2 x i64> {{%.+}}, <i64 -1, i64 -1>
+// CHECK-LE: or <2 x i64> {{%.+}}, [[T1]]
+
+  res_vd = vec_orc(vda, vdb);
+// CHECK: [[T1:%.+]] = xor <2 x i64> {{%.+}}, <i64 -1, i64 -1>
+// CHECK: or <2 x i64> {{%.+}}, [[T1]]
+// CHECK-LE: [[T1:%.+]] = xor <2 x i64> {{%.+}}, <i64 -1, i64 -1>
 // CHECK-LE: or <2 x i64> {{%.+}}, [[T1]]
 
   /* vec_sub */