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
@@ -311,7 +311,7 @@
 
 static __inline__ vector unsigned char __attribute__((__always_inline__))
 vec_add_u128(vector unsigned char __a, vector unsigned char __b) {
-  return __builtin_altivec_vadduqm(__a, __b);
+  return (vector unsigned char)__builtin_altivec_vadduqm(__a, __b);
 }
 #elif defined(__VSX__)
 static __inline__ vector signed long long __ATTRS_o_ai
@@ -325,9 +325,9 @@
       (vector unsigned int)__a + (vector unsigned int)__b;
   vector unsigned int __carry = __builtin_altivec_vaddcuw(
       (vector unsigned int)__a, (vector unsigned int)__b);
-  __carry = __builtin_shufflevector((vector unsigned char)__carry,
-                                    (vector unsigned char)__carry, 0, 0, 0, 7,
-                                    0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 0, 0);
+  __carry = (vector unsigned int)__builtin_shufflevector(
+      (vector unsigned char)__carry, (vector unsigned char)__carry, 0, 0, 0, 7,
+      0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 0, 0);
   return (vector signed long long)(__res + __carry);
 #endif
 }
@@ -358,7 +358,9 @@
 static __inline__ vector signed __int128 __ATTRS_o_ai
 vec_adde(vector signed __int128 __a, vector signed __int128 __b,
          vector signed __int128 __c) {
-  return __builtin_altivec_vaddeuqm(__a, __b, __c);
+  return (vector signed __int128)__builtin_altivec_vaddeuqm(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b,
+      (vector unsigned __int128)__c);
 }
 
 static __inline__ vector unsigned __int128 __ATTRS_o_ai
@@ -366,14 +368,16 @@
          vector unsigned __int128 __c) {
   return __builtin_altivec_vaddeuqm(__a, __b, __c);
 }
-#endif
 
 static __inline__ vector unsigned char __attribute__((__always_inline__))
 vec_adde_u128(vector unsigned char __a, vector unsigned char __b,
               vector unsigned char __c) {
-  return (vector unsigned char)__builtin_altivec_vaddeuqm(__a, __b, __c);
+  return (vector unsigned char)__builtin_altivec_vaddeuqm(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b,
+      (vector unsigned __int128)__c);
 }
 #endif
+#endif
 
 static __inline__ vector signed int __ATTRS_o_ai
 vec_adde(vector signed int __a, vector signed int __b,
@@ -398,7 +402,9 @@
 static __inline__ vector signed __int128 __ATTRS_o_ai
 vec_addec(vector signed __int128 __a, vector signed __int128 __b,
           vector signed __int128 __c) {
-  return __builtin_altivec_vaddecuq(__a, __b, __c);
+  return (vector signed __int128)__builtin_altivec_vaddecuq(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b,
+      (vector unsigned __int128)__c);
 }
 
 static __inline__ vector unsigned __int128 __ATTRS_o_ai
@@ -406,13 +412,15 @@
           vector unsigned __int128 __c) {
   return __builtin_altivec_vaddecuq(__a, __b, __c);
 }
-#endif
 
 static __inline__ vector unsigned char __attribute__((__always_inline__))
 vec_addec_u128(vector unsigned char __a, vector unsigned char __b,
                vector unsigned char __c) {
-  return (vector unsigned char)__builtin_altivec_vaddecuq(__a, __b, __c);
+  return (vector unsigned char)__builtin_altivec_vaddecuq(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b,
+      (vector unsigned __int128)__c);
 }
+#endif
 
 #ifdef __powerpc64__
 static __inline__ vector signed int __ATTRS_o_ai
@@ -596,12 +604,13 @@
 vec_addc(vector unsigned __int128 __a, vector unsigned __int128 __b) {
   return __builtin_altivec_vaddcuq(__a, __b);
 }
-#endif
 
 static __inline__ vector unsigned char __attribute__((__always_inline__))
 vec_addc_u128(vector unsigned char __a, vector unsigned char __b) {
-  return (vector unsigned char)__builtin_altivec_vaddcuq(__a, __b);
+  return (vector unsigned char)__builtin_altivec_vaddcuq(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b);
 }
+#endif
 #endif // defined(__POWER8_VECTOR__) && defined(__powerpc64__)
 
 /* vec_vaddcuw */
@@ -824,7 +833,9 @@
 static __inline__ vector signed __int128 __ATTRS_o_ai
 vec_vaddeuqm(vector signed __int128 __a, vector signed __int128 __b,
              vector signed __int128 __c) {
-  return __builtin_altivec_vaddeuqm(__a, __b, __c);
+  return (vector signed __int128)__builtin_altivec_vaddeuqm(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b,
+      (vector unsigned __int128)__c);
 }
 
 static __inline__ vector unsigned __int128 __ATTRS_o_ai
@@ -837,7 +848,8 @@
 
 static __inline__ vector signed __int128 __ATTRS_o_ai
 vec_vaddcuq(vector signed __int128 __a, vector signed __int128 __b) {
-  return __builtin_altivec_vaddcuq(__a, __b);
+  return (vector signed __int128)__builtin_altivec_vaddcuq(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b);
 }
 
 static __inline__ vector unsigned __int128 __ATTRS_o_ai
@@ -850,7 +862,9 @@
 static __inline__ vector signed __int128 __ATTRS_o_ai
 vec_vaddecuq(vector signed __int128 __a, vector signed __int128 __b,
              vector signed __int128 __c) {
-  return __builtin_altivec_vaddecuq(__a, __b, __c);
+  return (vector signed __int128)__builtin_altivec_vaddecuq(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b,
+      (vector unsigned __int128)__c);
 }
 
 static __inline__ vector unsigned __int128 __ATTRS_o_ai
@@ -1806,18 +1820,19 @@
 static __inline__ vector bool __int128 __ATTRS_o_ai
 vec_cmpeq(vector signed __int128 __a, vector signed __int128 __b) {
   return (vector bool __int128)__builtin_altivec_vcmpequq(
-      (vector bool __int128)__a, (vector bool __int128)__b);
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b);
 }
 
 static __inline__ vector bool __int128 __ATTRS_o_ai
 vec_cmpeq(vector unsigned __int128 __a, vector unsigned __int128 __b) {
   return (vector bool __int128)__builtin_altivec_vcmpequq(
-      (vector bool __int128)__a, (vector bool __int128)__b);
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b);
 }
 
 static __inline__ vector bool __int128 __ATTRS_o_ai
 vec_cmpeq(vector bool __int128 __a, vector bool  __int128 __b) {
-  return (vector bool __int128)__builtin_altivec_vcmpequq(__a, __b);
+  return (vector bool __int128)__builtin_altivec_vcmpequq(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b);
 }
 #endif
 
@@ -1887,19 +1902,20 @@
 #if defined(__POWER10_VECTOR__) && defined(__SIZEOF_INT128__)
 static __inline__ vector bool __int128 __ATTRS_o_ai
 vec_cmpne(vector unsigned __int128 __a, vector unsigned __int128 __b) {
-  return (vector bool __int128) ~(__builtin_altivec_vcmpequq(
-      (vector bool __int128)__a, (vector bool __int128)__b));
+  return (vector bool __int128)~(__builtin_altivec_vcmpequq(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b));
 }
 
 static __inline__ vector bool __int128 __ATTRS_o_ai
 vec_cmpne(vector signed __int128 __a, vector signed __int128 __b) {
-  return (vector bool __int128) ~(__builtin_altivec_vcmpequq(
-      (vector bool __int128)__a, (vector bool __int128)__b));
+  return (vector bool __int128)~(__builtin_altivec_vcmpequq(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b));
 }
 
 static __inline__ vector bool __int128 __ATTRS_o_ai
 vec_cmpne(vector bool __int128 __a, vector bool __int128 __b) {
-  return (vector bool __int128) ~(__builtin_altivec_vcmpequq(__a, __b));
+  return (vector bool __int128)~(__builtin_altivec_vcmpequq(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b));
 }
 #endif
 
@@ -1944,16 +1960,16 @@
 static __inline__ signed int __ATTRS_o_ai
 vec_cntlz_lsbb(vector signed char __a) {
 #ifdef __LITTLE_ENDIAN__
-  return __builtin_altivec_vctzlsbb(__a);
+  return __builtin_altivec_vctzlsbb((vector unsigned char)__a);
 #else
-  return __builtin_altivec_vclzlsbb(__a);
+  return __builtin_altivec_vclzlsbb((vector unsigned char)__a);
 #endif
 }
 
 static __inline__ signed int __ATTRS_o_ai
 vec_cntlz_lsbb(vector unsigned char __a) {
 #ifdef __LITTLE_ENDIAN__
-  return __builtin_altivec_vctzlsbb(__a);
+  return __builtin_altivec_vctzlsbb((vector unsigned char)__a);
 #else
   return __builtin_altivec_vclzlsbb(__a);
 #endif
@@ -1962,9 +1978,9 @@
 static __inline__ signed int __ATTRS_o_ai
 vec_cnttz_lsbb(vector signed char __a) {
 #ifdef __LITTLE_ENDIAN__
-  return __builtin_altivec_vclzlsbb(__a);
+  return __builtin_altivec_vclzlsbb((vector unsigned char)__a);
 #else
-  return __builtin_altivec_vctzlsbb(__a);
+  return __builtin_altivec_vctzlsbb((vector unsigned char)__a);
 #endif
 }
 
@@ -1984,7 +2000,7 @@
 
 static __inline__ vector unsigned int __ATTRS_o_ai
 vec_parity_lsbb(vector signed int __a) {
-  return __builtin_altivec_vprtybw(__a);
+  return __builtin_altivec_vprtybw((vector unsigned int)__a);
 }
 
 #ifdef __SIZEOF_INT128__
@@ -1995,7 +2011,7 @@
 
 static __inline__ vector unsigned __int128 __ATTRS_o_ai
 vec_parity_lsbb(vector signed __int128 __a) {
-  return __builtin_altivec_vprtybq(__a);
+  return __builtin_altivec_vprtybq((vector unsigned __int128)__a);
 }
 #endif
 
@@ -2006,7 +2022,7 @@
 
 static __inline__ vector unsigned long long __ATTRS_o_ai
 vec_parity_lsbb(vector signed long long __a) {
-  return __builtin_altivec_vprtybd(__a);
+  return __builtin_altivec_vprtybd((vector unsigned long long)__a);
 }
 
 #else
@@ -2212,14 +2228,12 @@
 #if defined(__POWER10_VECTOR__) && defined(__SIZEOF_INT128__)
 static __inline__ vector bool __int128 __ATTRS_o_ai
 vec_cmpgt(vector signed __int128 __a, vector signed __int128 __b) {
-  return (vector bool __int128)__builtin_altivec_vcmpgtsq(
-      (vector bool __int128)__a, (vector bool __int128)__b);
+  return (vector bool __int128)__builtin_altivec_vcmpgtsq(__a, __b);
 }
 
 static __inline__ vector bool __int128 __ATTRS_o_ai
 vec_cmpgt(vector unsigned __int128 __a, vector unsigned __int128 __b) {
-  return (vector bool __int128)__builtin_altivec_vcmpgtuq(
-      (vector bool __int128)__a, (vector bool __int128)__b);
+  return (vector bool __int128)__builtin_altivec_vcmpgtuq(__a, __b);
 }
 #endif
 
@@ -2488,7 +2502,8 @@
 
 static __inline__ vector unsigned char __ATTRS_o_ai
 vec_popcnt(vector signed char __a) {
-  return __builtin_altivec_vpopcntb(__a);
+  return (vector unsigned char)__builtin_altivec_vpopcntb(
+      (vector unsigned char)__a);
 }
 static __inline__ vector unsigned char __ATTRS_o_ai
 vec_popcnt(vector unsigned char __a) {
@@ -2496,7 +2511,8 @@
 }
 static __inline__ vector unsigned short __ATTRS_o_ai
 vec_popcnt(vector signed short __a) {
-  return __builtin_altivec_vpopcnth(__a);
+  return (vector unsigned short)__builtin_altivec_vpopcnth(
+      (vector unsigned short)__a);
 }
 static __inline__ vector unsigned short __ATTRS_o_ai
 vec_popcnt(vector unsigned short __a) {
@@ -2504,7 +2520,7 @@
 }
 static __inline__ vector unsigned int __ATTRS_o_ai
 vec_popcnt(vector signed int __a) {
-  return __builtin_altivec_vpopcntw(__a);
+  return __builtin_altivec_vpopcntw((vector unsigned int)__a);
 }
 static __inline__ vector unsigned int __ATTRS_o_ai
 vec_popcnt(vector unsigned int __a) {
@@ -2512,7 +2528,7 @@
 }
 static __inline__ vector unsigned long long __ATTRS_o_ai
 vec_popcnt(vector signed long long __a) {
-  return __builtin_altivec_vpopcntd(__a);
+  return __builtin_altivec_vpopcntd((vector unsigned long long)__a);
 }
 static __inline__ vector unsigned long long __ATTRS_o_ai
 vec_popcnt(vector unsigned long long __a) {
@@ -2524,7 +2540,7 @@
 
 static __inline__ vector signed char __ATTRS_o_ai
 vec_cntlz(vector signed char __a) {
-  return __builtin_altivec_vclzb(__a);
+  return (vector signed char)__builtin_altivec_vclzb((vector unsigned char)__a);
 }
 static __inline__ vector unsigned char __ATTRS_o_ai
 vec_cntlz(vector unsigned char __a) {
@@ -2532,7 +2548,8 @@
 }
 static __inline__ vector signed short __ATTRS_o_ai
 vec_cntlz(vector signed short __a) {
-  return __builtin_altivec_vclzh(__a);
+  return (vector signed short)__builtin_altivec_vclzh(
+      (vector unsigned short)__a);
 }
 static __inline__ vector unsigned short __ATTRS_o_ai
 vec_cntlz(vector unsigned short __a) {
@@ -2540,7 +2557,7 @@
 }
 static __inline__ vector signed int __ATTRS_o_ai
 vec_cntlz(vector signed int __a) {
-  return __builtin_altivec_vclzw(__a);
+  return (vector signed int)__builtin_altivec_vclzw((vector unsigned int)__a);
 }
 static __inline__ vector unsigned int __ATTRS_o_ai
 vec_cntlz(vector unsigned int __a) {
@@ -2548,7 +2565,8 @@
 }
 static __inline__ vector signed long long __ATTRS_o_ai
 vec_cntlz(vector signed long long __a) {
-  return __builtin_altivec_vclzd(__a);
+  return (vector signed long long)__builtin_altivec_vclzd(
+      (vector unsigned long long)__a);
 }
 static __inline__ vector unsigned long long __ATTRS_o_ai
 vec_cntlz(vector unsigned long long __a) {
@@ -2562,7 +2580,7 @@
 
 static __inline__ vector signed char __ATTRS_o_ai
 vec_cnttz(vector signed char __a) {
-  return __builtin_altivec_vctzb(__a);
+  return (vector signed char)__builtin_altivec_vctzb((vector unsigned char)__a);
 }
 static __inline__ vector unsigned char __ATTRS_o_ai
 vec_cnttz(vector unsigned char __a) {
@@ -2570,7 +2588,8 @@
 }
 static __inline__ vector signed short __ATTRS_o_ai
 vec_cnttz(vector signed short __a) {
-  return __builtin_altivec_vctzh(__a);
+  return (vector signed short)__builtin_altivec_vctzh(
+      (vector unsigned short)__a);
 }
 static __inline__ vector unsigned short __ATTRS_o_ai
 vec_cnttz(vector unsigned short __a) {
@@ -2578,7 +2597,7 @@
 }
 static __inline__ vector signed int __ATTRS_o_ai
 vec_cnttz(vector signed int __a) {
-  return __builtin_altivec_vctzw(__a);
+  return (vector signed int)__builtin_altivec_vctzw((vector unsigned int)__a);
 }
 static __inline__ vector unsigned int __ATTRS_o_ai
 vec_cnttz(vector unsigned int __a) {
@@ -2586,7 +2605,8 @@
 }
 static __inline__ vector signed long long __ATTRS_o_ai
 vec_cnttz(vector signed long long __a) {
-  return __builtin_altivec_vctzd(__a);
+  return (vector signed long long)__builtin_altivec_vctzd(
+      (vector unsigned long long)__a);
 }
 static __inline__ vector unsigned long long __ATTRS_o_ai
 vec_cnttz(vector unsigned long long __a) {
@@ -3144,7 +3164,8 @@
   vector unsigned char __mask =
       (vector unsigned char)__builtin_altivec_lvsl(16 - __c, (int *)NULL);
   vector unsigned char __res =
-      __builtin_altivec_vperm_4si((vector int)__a, (vector int)__a, __mask);
+      (vector unsigned char)__builtin_altivec_vperm_4si(
+          (vector int)__a, (vector int)__a, __mask);
   return __builtin_vsx_stxvll((vector int)__res, __b, (__c << 56));
 }
 #endif
@@ -6491,12 +6512,12 @@
 
 static __inline__ vector signed char __ATTRS_o_ai
 vec_nand(vector signed char __a, vector bool char __b) {
-  return ~(__a & __b);
+  return ~(__a & (vector signed char)__b);
 }
 
 static __inline__ vector signed char __ATTRS_o_ai
 vec_nand(vector bool char __a, vector signed char __b) {
-  return ~(__a & __b);
+  return (vector signed char)~(__a & (vector bool char)__b);
 }
 
 static __inline__ vector unsigned char __ATTRS_o_ai
@@ -6506,12 +6527,12 @@
 
 static __inline__ vector unsigned char __ATTRS_o_ai
 vec_nand(vector unsigned char __a, vector bool char __b) {
-  return ~(__a & __b);
+  return ~(__a & (vector unsigned char)__b);
 }
 
 static __inline__ vector unsigned char __ATTRS_o_ai
 vec_nand(vector bool char __a, vector unsigned char __b) {
-  return ~(__a & __b);
+  return (vector unsigned char)~(__a & (vector bool char)__b);
 }
 
 static __inline__ vector bool char __ATTRS_o_ai vec_nand(vector bool char __a,
@@ -6526,12 +6547,12 @@
 
 static __inline__ vector signed short __ATTRS_o_ai
 vec_nand(vector signed short __a, vector bool short __b) {
-  return ~(__a & __b);
+  return ~(__a & (vector signed short)__b);
 }
 
 static __inline__ vector signed short __ATTRS_o_ai
 vec_nand(vector bool short __a, vector signed short __b) {
-  return ~(__a & __b);
+  return (vector signed short)~(__a & (vector bool short)__b);
 }
 
 static __inline__ vector unsigned short __ATTRS_o_ai
@@ -6541,7 +6562,7 @@
 
 static __inline__ vector unsigned short __ATTRS_o_ai
 vec_nand(vector unsigned short __a, vector bool short __b) {
-  return ~(__a & __b);
+  return ~(__a & (vector unsigned short)__b);
 }
 
 static __inline__ vector bool short __ATTRS_o_ai
@@ -6556,12 +6577,12 @@
 
 static __inline__ vector signed int __ATTRS_o_ai vec_nand(vector signed int __a,
                                                           vector bool int __b) {
-  return ~(__a & __b);
+  return ~(__a & (vector signed int)__b);
 }
 
 static __inline__ vector signed int __ATTRS_o_ai
 vec_nand(vector bool int __a, vector signed int __b) {
-  return ~(__a & __b);
+  return (vector signed int)~(__a & (vector bool int)__b);
 }
 
 static __inline__ vector unsigned int __ATTRS_o_ai
@@ -6571,12 +6592,12 @@
 
 static __inline__ vector unsigned int __ATTRS_o_ai
 vec_nand(vector unsigned int __a, vector bool int __b) {
-  return ~(__a & __b);
+  return ~(__a & (vector unsigned int)__b);
 }
 
 static __inline__ vector unsigned int __ATTRS_o_ai
 vec_nand(vector bool int __a, vector unsigned int __b) {
-  return ~(__a & __b);
+  return (vector unsigned int)~(__a & (vector bool int)__b);
 }
 
 static __inline__ vector bool int __ATTRS_o_ai vec_nand(vector bool int __a,
@@ -6597,12 +6618,12 @@
 
 static __inline__ vector signed long long __ATTRS_o_ai
 vec_nand(vector signed long long __a, vector bool long long __b) {
-  return ~(__a & __b);
+  return ~(__a & (vector signed long long)__b);
 }
 
 static __inline__ vector signed long long __ATTRS_o_ai
 vec_nand(vector bool long long __a, vector signed long long __b) {
-  return ~(__a & __b);
+  return (vector signed long long)~(__a & (vector bool long long)__b);
 }
 
 static __inline__ vector unsigned long long __ATTRS_o_ai
@@ -6612,12 +6633,12 @@
 
 static __inline__ vector unsigned long long __ATTRS_o_ai
 vec_nand(vector unsigned long long __a, vector bool long long __b) {
-  return ~(__a & __b);
+  return ~(__a & (vector unsigned long long)__b);
 }
 
 static __inline__ vector unsigned long long __ATTRS_o_ai
 vec_nand(vector bool long long __a, vector unsigned long long __b) {
-  return ~(__a & __b);
+  return (vector unsigned long long)~(__a & (vector bool long long)__b);
 }
 
 static __inline__ vector bool long long __ATTRS_o_ai
@@ -7005,12 +7026,12 @@
 
 static __inline__ vector signed char __ATTRS_o_ai
 vec_orc(vector signed char __a, vector bool char __b) {
-  return __a | ~__b;
+  return __a | (vector signed char)~__b;
 }
 
 static __inline__ vector signed char __ATTRS_o_ai
 vec_orc(vector bool char __a, vector signed char __b) {
-  return __a | ~__b;
+  return (vector signed char)(__a | (vector bool char)~__b);
 }
 
 static __inline__ vector unsigned char __ATTRS_o_ai
@@ -7020,12 +7041,12 @@
 
 static __inline__ vector unsigned char __ATTRS_o_ai
 vec_orc(vector unsigned char __a, vector bool char __b) {
-  return __a | ~__b;
+  return __a | (vector unsigned char)~__b;
 }
 
 static __inline__ vector unsigned char __ATTRS_o_ai
 vec_orc(vector bool char __a, vector unsigned char __b) {
-  return __a | ~__b;
+  return (vector unsigned char)(__a | (vector bool char)~__b);
 }
 
 static __inline__ vector bool char __ATTRS_o_ai vec_orc(vector bool char __a,
@@ -7040,12 +7061,12 @@
 
 static __inline__ vector signed short __ATTRS_o_ai
 vec_orc(vector signed short __a, vector bool short __b) {
-  return __a | ~__b;
+  return __a | (vector signed short)~__b;
 }
 
 static __inline__ vector signed short __ATTRS_o_ai
 vec_orc(vector bool short __a, vector signed short __b) {
-  return __a | ~__b;
+  return (vector signed short)(__a | (vector bool short)~__b);
 }
 
 static __inline__ vector unsigned short __ATTRS_o_ai
@@ -7055,12 +7076,12 @@
 
 static __inline__ vector unsigned short __ATTRS_o_ai
 vec_orc(vector unsigned short __a, vector bool short __b) {
-  return __a | ~__b;
+  return __a | (vector unsigned short)~__b;
 }
 
 static __inline__ vector unsigned short __ATTRS_o_ai
 vec_orc(vector bool short __a, vector unsigned short __b) {
-  return __a | ~__b;
+  return (vector unsigned short)(__a | (vector bool short)~__b);
 }
 
 static __inline__ vector bool short __ATTRS_o_ai
@@ -7075,12 +7096,12 @@
 
 static __inline__ vector signed int __ATTRS_o_ai vec_orc(vector signed int __a,
                                                          vector bool int __b) {
-  return __a | ~__b;
+  return __a | (vector signed int)~__b;
 }
 
 static __inline__ vector signed int __ATTRS_o_ai
 vec_orc(vector bool int __a, vector signed int __b) {
-  return __a | ~__b;
+  return (vector signed int)(__a | (vector bool int)~__b);
 }
 
 static __inline__ vector unsigned int __ATTRS_o_ai
@@ -7090,12 +7111,12 @@
 
 static __inline__ vector unsigned int __ATTRS_o_ai
 vec_orc(vector unsigned int __a, vector bool int __b) {
-  return __a | ~__b;
+  return __a | (vector unsigned int)~__b;
 }
 
 static __inline__ vector unsigned int __ATTRS_o_ai
 vec_orc(vector bool int __a, vector unsigned int __b) {
-  return __a | ~__b;
+  return (vector unsigned int)(__a | (vector bool int)~__b);
 }
 
 static __inline__ vector bool int __ATTRS_o_ai vec_orc(vector bool int __a,
@@ -7105,12 +7126,12 @@
 
 static __inline__ vector float __ATTRS_o_ai
 vec_orc(vector bool int __a, vector float __b) {
- return (vector float)(__a | ~(vector unsigned int)__b);
+  return (vector float)(__a | ~(vector bool int)__b);
 }
 
 static __inline__ vector float __ATTRS_o_ai
 vec_orc(vector float __a, vector bool int __b) {
-  return (vector float)((vector unsigned int)__a | ~__b);
+  return (vector float)((vector bool int)__a | ~__b);
 }
 
 static __inline__ vector float __ATTRS_o_ai vec_orc(vector float __a,
@@ -7125,12 +7146,12 @@
 
 static __inline__ vector signed long long __ATTRS_o_ai
 vec_orc(vector signed long long __a, vector bool long long __b) {
-  return __a | ~__b;
+  return __a | (vector signed long long)~__b;
 }
 
 static __inline__ vector signed long long __ATTRS_o_ai
 vec_orc(vector bool long long __a, vector signed long long __b) {
-  return __a | ~__b;
+  return (vector signed long long)(__a | (vector bool long long)~__b);
 }
 
 static __inline__ vector unsigned long long __ATTRS_o_ai
@@ -7140,12 +7161,12 @@
 
 static __inline__ vector unsigned long long __ATTRS_o_ai
 vec_orc(vector unsigned long long __a, vector bool long long __b) {
-  return __a | ~__b;
+  return __a | (vector unsigned long long)~__b;
 }
 
 static __inline__ vector unsigned long long __ATTRS_o_ai
 vec_orc(vector bool long long __a, vector unsigned long long __b) {
-  return __a | ~__b;
+  return (vector unsigned long long)(__a | (vector bool long long)~__b);
 }
 
 static __inline__ vector bool long long __ATTRS_o_ai
@@ -7155,17 +7176,17 @@
 
 static __inline__ vector double __ATTRS_o_ai
 vec_orc(vector double __a, vector bool long long __b) {
-  return (vector double)((vector unsigned long long)__a | ~__b);
+  return (vector double)((vector bool long long)__a | ~__b);
 }
 
 static __inline__ vector double __ATTRS_o_ai
 vec_orc(vector bool long long __a, vector double __b) {
-  return (vector double)(__a | ~(vector unsigned long long)__b);
+  return (vector double)(__a | ~(vector bool 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 |
+  return (vector double)((vector unsigned long long)__a |
                          ~(vector unsigned long long)__b);
 }
 #endif
@@ -8276,14 +8297,18 @@
 
 static __inline__ vector unsigned long long __ATTRS_o_ai
 vec_rl(vector unsigned long long __a, vector unsigned long long __b) {
-  return __builtin_altivec_vrld(__a, __b);
+  return (vector unsigned long long)__builtin_altivec_vrld(
+      (vector long long)__a, __b);
 }
 #endif
 
 #if defined(__POWER10_VECTOR__) && defined(__SIZEOF_INT128__)
 static __inline__ vector signed __int128 __ATTRS_o_ai
 vec_rl(vector signed __int128 __a, vector unsigned __int128 __b) {
-  return (__b << __a)|(__b >> ((__CHAR_BIT__ * sizeof(vector signed __int128)) - __a));
+  return (vector signed __int128)((vector signed __int128)__b
+                                  << (vector signed __int128)__a) |
+         ((vector signed __int128)__b >>
+          ((__CHAR_BIT__ * sizeof(vector signed __int128)) - __a));
 }
 
 static __inline__ vector unsigned __int128 __ATTRS_o_ai
@@ -8317,7 +8342,9 @@
 static __inline__ vector signed __int128 __ATTRS_o_ai
 vec_rlmi(vector signed __int128 __a, vector signed __int128 __b,
          vector signed __int128 __c) {
-  return __builtin_altivec_vrlqmi(__a, __c, __b);
+  return (vector signed __int128)__builtin_altivec_vrlqmi(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__c,
+      (vector unsigned __int128)__b);
 }
 #endif
 
@@ -8370,7 +8397,8 @@
       __builtin_shufflevector(TmpB, TmpC, -1, -1, -1, -1, -1, 31, 30, 15, -1,
                               -1, -1, -1, -1, -1, -1, -1);
 #endif
-  return __builtin_altivec_vrlqnm(__a, (vector unsigned __int128) MaskAndShift);
+  return (vector signed __int128)__builtin_altivec_vrlqnm(
+      (vector unsigned __int128)__a, (vector unsigned __int128)MaskAndShift);
 }
 #endif
 
@@ -12070,14 +12098,16 @@
 
 static __inline__ vector signed __int128 __ATTRS_o_ai
 vec_subc(vector signed __int128 __a, vector signed __int128 __b) {
-  return __builtin_altivec_vsubcuq(__a, __b);
+  return (vector signed __int128)__builtin_altivec_vsubcuq(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b);
 }
-#endif
 
 static __inline__ vector unsigned char __attribute__((__always_inline__))
 vec_subc_u128(vector unsigned char __a, vector unsigned char __b) {
-  return (vector unsigned char)__builtin_altivec_vsubcuq(__a, __b);
+  return (vector unsigned char)__builtin_altivec_vsubcuq(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b);
 }
+#endif
 #endif // __POWER8_VECTOR__
 
 /* vec_vsubcuw */
@@ -12298,7 +12328,7 @@
 
 static __inline__ vector unsigned char __attribute__((__always_inline__))
 vec_sub_u128(vector unsigned char __a, vector unsigned char __b) {
-  return __builtin_altivec_vsubuqm(__a, __b);
+  return (vector unsigned char)__builtin_altivec_vsubuqm(__a, __b);
 }
 
 /* vec_vsubeuqm */
@@ -12307,7 +12337,9 @@
 static __inline__ vector signed __int128 __ATTRS_o_ai
 vec_vsubeuqm(vector signed __int128 __a, vector signed __int128 __b,
              vector signed __int128 __c) {
-  return __builtin_altivec_vsubeuqm(__a, __b, __c);
+  return (vector signed __int128)__builtin_altivec_vsubeuqm(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b,
+      (vector unsigned __int128)__c);
 }
 
 static __inline__ vector unsigned __int128 __ATTRS_o_ai
@@ -12319,7 +12351,9 @@
 static __inline__ vector signed __int128 __ATTRS_o_ai
 vec_sube(vector signed __int128 __a, vector signed __int128 __b,
              vector signed __int128 __c) {
-  return __builtin_altivec_vsubeuqm(__a, __b, __c);
+  return (vector signed __int128)__builtin_altivec_vsubeuqm(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b,
+      (vector unsigned __int128)__c);
 }
 
 static __inline__ vector unsigned __int128 __ATTRS_o_ai
@@ -12327,20 +12361,21 @@
              vector unsigned __int128 __c) {
   return __builtin_altivec_vsubeuqm(__a, __b, __c);
 }
-#endif
 
 static __inline__ vector unsigned char __attribute__((__always_inline__))
 vec_sube_u128(vector unsigned char __a, vector unsigned char __b,
               vector unsigned char __c) {
-  return (vector unsigned char)__builtin_altivec_vsubeuqm(__a, __b, __c);
+  return (vector unsigned char)__builtin_altivec_vsubeuqm(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b,
+      (vector unsigned __int128)__c);
 }
 
 /* vec_vsubcuq */
 
-#ifdef __SIZEOF_INT128__
 static __inline__ vector signed __int128 __ATTRS_o_ai
 vec_vsubcuq(vector signed __int128 __a, vector signed __int128 __b) {
-  return __builtin_altivec_vsubcuq(__a, __b);
+  return (vector signed __int128)__builtin_altivec_vsubcuq(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b);
 }
 
 static __inline__ vector unsigned __int128 __ATTRS_o_ai
@@ -12353,7 +12388,9 @@
 static __inline__ vector signed __int128 __ATTRS_o_ai
 vec_vsubecuq(vector signed __int128 __a, vector signed __int128 __b,
              vector signed __int128 __c) {
-  return __builtin_altivec_vsubecuq(__a, __b, __c);
+  return (vector signed __int128)__builtin_altivec_vsubecuq(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b,
+      (vector unsigned __int128)__c);
 }
 
 static __inline__ vector unsigned __int128 __ATTRS_o_ai
@@ -12381,7 +12418,9 @@
 static __inline__ vector signed __int128 __ATTRS_o_ai
 vec_subec(vector signed __int128 __a, vector signed __int128 __b,
              vector signed __int128 __c) {
-  return __builtin_altivec_vsubecuq(__a, __b, __c);
+  return (vector signed __int128)__builtin_altivec_vsubecuq(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b,
+      (vector unsigned __int128)__c);
 }
 
 static __inline__ vector unsigned __int128 __ATTRS_o_ai
@@ -12389,13 +12428,15 @@
              vector unsigned __int128 __c) {
   return __builtin_altivec_vsubecuq(__a, __b, __c);
 }
-#endif
 
 static __inline__ vector unsigned char __attribute__((__always_inline__))
 vec_subec_u128(vector unsigned char __a, vector unsigned char __b,
                vector unsigned char __c) {
-  return (vector unsigned char)__builtin_altivec_vsubecuq(__a, __b, __c);
+  return (vector unsigned char)__builtin_altivec_vsubecuq(
+      (vector unsigned __int128)__a, (vector unsigned __int128)__b,
+      (vector unsigned __int128)__c);
 }
+#endif
 #endif // __POWER8_VECTOR__
 
 static __inline__ vector signed int __ATTRS_o_ai
@@ -14900,17 +14941,20 @@
 #if defined(__POWER10_VECTOR__) && defined(__SIZEOF_INT128__)
 static __inline__ int __ATTRS_o_ai vec_all_eq(vector signed __int128 __a,
                                               vector signed __int128 __b) {
-  return __builtin_altivec_vcmpequq_p(__CR6_LT, __a, __b);
+  return __builtin_altivec_vcmpequq_p(__CR6_LT, (vector unsigned __int128)__a,
+                                      (vector signed __int128)__b);
 }
 
 static __inline__ int __ATTRS_o_ai vec_all_eq(vector unsigned __int128 __a,
                                               vector unsigned __int128 __b) {
-  return __builtin_altivec_vcmpequq_p(__CR6_LT, __a, __b);
+  return __builtin_altivec_vcmpequq_p(__CR6_LT, __a,
+                                      (vector signed __int128)__b);
 }
 
 static __inline__ int __ATTRS_o_ai vec_all_eq(vector bool __int128 __a,
                                               vector bool __int128 __b) {
-  return __builtin_altivec_vcmpequq_p(__CR6_LT, __a, __b);
+  return __builtin_altivec_vcmpequq_p(__CR6_LT, (vector unsigned __int128)__a,
+                                      (vector signed __int128)__b);
 }
 #endif
 
@@ -15850,17 +15894,20 @@
 #if defined(__POWER10_VECTOR__) && defined(__SIZEOF_INT128__)
 static __inline__ int __ATTRS_o_ai vec_all_ne(vector signed __int128 __a,
                                               vector signed __int128 __b) {
-  return __builtin_altivec_vcmpequq_p(__CR6_EQ, __a, __b);
+  return __builtin_altivec_vcmpequq_p(__CR6_EQ, (vector unsigned __int128)__a,
+                                      __b);
 }
 
 static __inline__ int __ATTRS_o_ai vec_all_ne(vector unsigned __int128 __a,
                                               vector unsigned __int128 __b) {
-  return __builtin_altivec_vcmpequq_p(__CR6_EQ, __a, __b);
+  return __builtin_altivec_vcmpequq_p(__CR6_EQ, __a,
+                                      (vector signed __int128)__b);
 }
 
 static __inline__ int __ATTRS_o_ai vec_all_ne(vector bool __int128 __a,
                                               vector bool __int128 __b) {
-  return __builtin_altivec_vcmpequq_p(__CR6_EQ, __a, __b);
+  return __builtin_altivec_vcmpequq_p(__CR6_EQ, (vector unsigned __int128)__a,
+                                      (vector signed __int128)__b);
 }
 #endif
 
@@ -16144,17 +16191,20 @@
 #if defined(__POWER10_VECTOR__) && defined(__SIZEOF_INT128__)
 static __inline__ int __ATTRS_o_ai vec_any_eq(vector signed __int128 __a,
                                               vector signed __int128 __b) {
-  return __builtin_altivec_vcmpequq_p(__CR6_EQ_REV, __a, __b);
+  return __builtin_altivec_vcmpequq_p(__CR6_EQ_REV,
+                                      (vector unsigned __int128)__a, __b);
 }
 
 static __inline__ int __ATTRS_o_ai vec_any_eq(vector unsigned __int128 __a,
                                               vector unsigned __int128 __b) {
-  return __builtin_altivec_vcmpequq_p(__CR6_EQ_REV, __a, __b);
+  return __builtin_altivec_vcmpequq_p(__CR6_EQ_REV, __a,
+                                      (vector signed __int128)__b);
 }
 
 static __inline__ int __ATTRS_o_ai vec_any_eq(vector bool __int128 __a,
                                               vector bool __int128 __b) {
-  return __builtin_altivec_vcmpequq_p(__CR6_EQ_REV, __a, __b);
+  return __builtin_altivec_vcmpequq_p(
+      __CR6_EQ_REV, (vector unsigned __int128)__a, (vector signed __int128)__b);
 }
 #endif
 
@@ -17124,17 +17174,20 @@
 #if defined(__POWER10_VECTOR__) && defined(__SIZEOF_INT128__)
 static __inline__ int __ATTRS_o_ai vec_any_ne(vector signed __int128 __a,
                                               vector signed __int128 __b) {
-  return __builtin_altivec_vcmpequq_p(__CR6_LT_REV, __a, __b);
+  return __builtin_altivec_vcmpequq_p(__CR6_LT_REV,
+                                      (vector unsigned __int128)__a, __b);
 }
 
 static __inline__ int __ATTRS_o_ai vec_any_ne(vector unsigned __int128 __a,
                                               vector unsigned __int128 __b) {
-  return __builtin_altivec_vcmpequq_p(__CR6_LT_REV, __a, __b);
+  return __builtin_altivec_vcmpequq_p(__CR6_LT_REV, __a,
+                                      (vector signed __int128)__b);
 }
 
 static __inline__ int __ATTRS_o_ai vec_any_ne(vector bool __int128 __a,
                                               vector bool __int128 __b) {
-  return __builtin_altivec_vcmpequq_p(__CR6_LT_REV, __a, __b);
+  return __builtin_altivec_vcmpequq_p(
+      __CR6_LT_REV, (vector unsigned __int128)__a, (vector signed __int128)__b);
 }
 #endif
 
@@ -17297,13 +17350,17 @@
 static __inline__ vector bool char __ATTRS_o_ai
 vec_permxor(vector bool char __a, vector bool char __b,
             vector bool char __c) {
-  return __builtin_altivec_crypto_vpermxor(__a, __b, __c);
+  return (vector bool char)__builtin_altivec_crypto_vpermxor(
+      (vector unsigned char)__a, (vector unsigned char)__b,
+      (vector unsigned char)__c);
 }
 
 static __inline__ vector signed char __ATTRS_o_ai
 vec_permxor(vector signed char __a, vector signed char __b,
             vector signed char __c) {
-  return __builtin_altivec_crypto_vpermxor(__a, __b, __c);
+  return (vector signed char)__builtin_altivec_crypto_vpermxor(
+      (vector unsigned char)__a, (vector unsigned char)__b,
+      (vector unsigned char)__c);
 }
 
 static __inline__ vector unsigned char __ATTRS_o_ai
@@ -17365,7 +17422,7 @@
 
 static __inline__ vector signed char __ATTRS_o_ai
 vec_vgbbd(vector signed char __a) {
-  return __builtin_altivec_vgbbd((vector unsigned char)__a);
+  return (vector signed char)__builtin_altivec_vgbbd((vector unsigned char)__a);
 }
 
 #define vec_pmsum_be __builtin_crypto_vpmsumb
@@ -17378,23 +17435,25 @@
 
 static __inline__ vector signed long long __ATTRS_o_ai
 vec_gbb(vector signed long long __a) {
-  return __builtin_altivec_vgbbd((vector unsigned char)__a);
+  return (vector signed long long)__builtin_altivec_vgbbd(
+      (vector unsigned char)__a);
 }
 
 static __inline__ vector unsigned long long __ATTRS_o_ai
 vec_gbb(vector unsigned long long __a) {
-  return __builtin_altivec_vgbbd((vector unsigned char)__a);
+  return (vector unsigned long long)__builtin_altivec_vgbbd(
+      (vector unsigned char)__a);
 }
 
 static __inline__ vector long long __ATTRS_o_ai
 vec_vbpermq(vector signed char __a, vector signed char __b) {
-  return __builtin_altivec_vbpermq((vector unsigned char)__a,
-                                   (vector unsigned char)__b);
+  return (vector long long)__builtin_altivec_vbpermq((vector unsigned char)__a,
+                                                     (vector unsigned char)__b);
 }
 
 static __inline__ vector long long __ATTRS_o_ai
 vec_vbpermq(vector unsigned char __a, vector unsigned char __b) {
-  return __builtin_altivec_vbpermq(__a, __b);
+  return (vector long long)__builtin_altivec_vbpermq(__a, __b);
 }
 
 #if defined(__powerpc64__) && defined(__SIZEOF_INT128__)
@@ -17406,7 +17465,7 @@
 #endif
 static __inline__ vector unsigned char __ATTRS_o_ai
 vec_bperm(vector unsigned char __a, vector unsigned char __b) {
-  return __builtin_altivec_vbpermq(__a, __b);
+  return (vector unsigned char)__builtin_altivec_vbpermq(__a, __b);
 }
 #endif // __POWER8_VECTOR__
 #ifdef __POWER9_VECTOR__
@@ -18386,18 +18445,18 @@
 static __inline__ vector signed char __ATTRS_o_ai
 vec_clr_first(vector signed char __a, unsigned int __n) {
 #ifdef __LITTLE_ENDIAN__
-  return __builtin_altivec_vclrrb(__a, __n);
+  return (vector signed char)__builtin_altivec_vclrrb((vector char)__a, __n);
 #else
-  return __builtin_altivec_vclrlb( __a, __n);
+  return (vector signed char)__builtin_altivec_vclrlb((vector char)__a, __n);
 #endif
 }
 
 static __inline__ vector unsigned char __ATTRS_o_ai
 vec_clr_first(vector unsigned char __a, unsigned int __n) {
 #ifdef __LITTLE_ENDIAN__
-  return __builtin_altivec_vclrrb((vector signed char)__a, __n);
+  return (vector unsigned char)__builtin_altivec_vclrrb((vector char)__a, __n);
 #else
-  return __builtin_altivec_vclrlb((vector signed char)__a, __n);
+  return (vector unsigned char)__builtin_altivec_vclrlb((vector char)__a, __n);
 #endif
 }
 
@@ -18406,18 +18465,18 @@
 static __inline__ vector signed char __ATTRS_o_ai
 vec_clr_last(vector signed char __a, unsigned int __n) {
 #ifdef __LITTLE_ENDIAN__
-  return __builtin_altivec_vclrlb(__a, __n);
+  return (vector signed char)__builtin_altivec_vclrlb((vector char)__a, __n);
 #else
-  return __builtin_altivec_vclrrb( __a, __n);
+  return (vector signed char)__builtin_altivec_vclrrb((vector char)__a, __n);
 #endif
 }
 
 static __inline__ vector unsigned char __ATTRS_o_ai
 vec_clr_last(vector unsigned char __a, unsigned int __n) {
 #ifdef __LITTLE_ENDIAN__
-  return __builtin_altivec_vclrlb((vector signed char)__a, __n);
+  return (vector unsigned char)__builtin_altivec_vclrlb((vector char)__a, __n);
 #else
-  return __builtin_altivec_vclrrb((vector signed char)__a, __n);
+  return (vector unsigned char)__builtin_altivec_vclrrb((vector char)__a, __n);
 #endif
 }
 
@@ -18713,7 +18772,8 @@
 static __inline__ vector signed char __ATTRS_o_ai
 vec_blendv(vector signed char __a, vector signed char __b,
            vector unsigned char __c) {
-  return __builtin_vsx_xxblendvb(__a, __b, __c);
+  return (vector signed char)__builtin_vsx_xxblendvb(
+      (vector unsigned char)__a, (vector unsigned char)__b, __c);
 }
 
 static __inline__ vector unsigned char __ATTRS_o_ai
@@ -18725,7 +18785,8 @@
 static __inline__ vector signed short __ATTRS_o_ai
 vec_blendv(vector signed short __a, vector signed short __b,
            vector unsigned short __c) {
-  return __builtin_vsx_xxblendvh(__a, __b, __c);
+  return (vector signed short)__builtin_vsx_xxblendvh(
+      (vector unsigned short)__a, (vector unsigned short)__b, __c);
 }
 
 static __inline__ vector unsigned short __ATTRS_o_ai
@@ -18737,7 +18798,8 @@
 static __inline__ vector signed int __ATTRS_o_ai
 vec_blendv(vector signed int __a, vector signed int __b,
            vector unsigned int __c) {
-  return __builtin_vsx_xxblendvw(__a, __b, __c);
+  return (vector signed int)__builtin_vsx_xxblendvw(
+      (vector unsigned int)__a, (vector unsigned int)__b, __c);
 }
 
 static __inline__ vector unsigned int __ATTRS_o_ai
@@ -18749,24 +18811,27 @@
 static __inline__ vector signed long long __ATTRS_o_ai
 vec_blendv(vector signed long long __a, vector signed long long __b,
            vector unsigned long long __c) {
-  return __builtin_vsx_xxblendvd(__a, __b, __c);
+  return (vector signed long long)__builtin_vsx_xxblendvd(
+      (vector unsigned long long)__a, (vector unsigned long long)__b, __c);
 }
 
 static __inline__ vector unsigned long long __ATTRS_o_ai
 vec_blendv(vector unsigned long long __a, vector unsigned long long __b,
            vector unsigned long long __c) {
-  return __builtin_vsx_xxblendvd(__a, __b, __c);
+  return (vector unsigned long long)__builtin_vsx_xxblendvd(__a, __b, __c);
 }
 
 static __inline__ vector float __ATTRS_o_ai
 vec_blendv(vector float __a, vector float __b, vector unsigned int __c) {
-  return __builtin_vsx_xxblendvw(__a, __b, __c);
+  return (vector float)__builtin_vsx_xxblendvw((vector unsigned int)__a,
+                                               (vector unsigned int)__b, __c);
 }
 
 static __inline__ vector double __ATTRS_o_ai
 vec_blendv(vector double __a, vector double __b,
            vector unsigned long long __c) {
-  return __builtin_vsx_xxblendvd(__a, __b, __c);
+  return (vector double)__builtin_vsx_xxblendvd(
+      (vector unsigned long long)__a, (vector unsigned long long)__b, __c);
 }
 
 /* vec_replace_elt */
@@ -18852,27 +18917,29 @@
 static __inline__ vector unsigned char __ATTRS_o_ai
 vec_stril(vector unsigned char __a) {
 #ifdef __LITTLE_ENDIAN__
-  return __builtin_altivec_vstribr((vector signed char)__a);
+  return (vector unsigned char)__builtin_altivec_vstribr((vector char)__a);
 #else
-  return __builtin_altivec_vstribl((vector signed char)__a);
+  return (vector unsigned char)__builtin_altivec_vstribl((vector char)__a);
 #endif
 }
 
 static __inline__ vector signed char __ATTRS_o_ai
 vec_stril(vector signed char __a) {
 #ifdef __LITTLE_ENDIAN__
-  return __builtin_altivec_vstribr(__a);
+  return (vector signed char)__builtin_altivec_vstribr((vector char)__a);
 #else
-  return __builtin_altivec_vstribl(__a);
+  return (vector signed char)__builtin_altivec_vstribl((vector char)__a);
 #endif
 }
 
 static __inline__ vector unsigned short __ATTRS_o_ai
 vec_stril(vector unsigned short __a) {
 #ifdef __LITTLE_ENDIAN__
-  return __builtin_altivec_vstrihr((vector signed short)__a);
+  return (vector unsigned short)__builtin_altivec_vstrihr(
+      (vector signed short)__a);
 #else
-  return __builtin_altivec_vstrihl((vector signed short)__a);
+  return (vector unsigned short)__builtin_altivec_vstrihl(
+      (vector signed short)__a);
 #endif
 }
 
@@ -18889,17 +18956,17 @@
 
 static __inline__ int __ATTRS_o_ai vec_stril_p(vector unsigned char __a) {
 #ifdef __LITTLE_ENDIAN__
-  return __builtin_altivec_vstribr_p(__CR6_EQ, (vector signed char)__a);
+  return __builtin_altivec_vstribr_p(__CR6_EQ, (vector char)__a);
 #else
-  return __builtin_altivec_vstribl_p(__CR6_EQ, (vector signed char)__a);
+  return __builtin_altivec_vstribl_p(__CR6_EQ, (vector char)__a);
 #endif
 }
 
 static __inline__ int __ATTRS_o_ai vec_stril_p(vector signed char __a) {
 #ifdef __LITTLE_ENDIAN__
-  return __builtin_altivec_vstribr_p(__CR6_EQ, __a);
+  return __builtin_altivec_vstribr_p(__CR6_EQ, (vector char)__a);
 #else
-  return __builtin_altivec_vstribl_p(__CR6_EQ, __a);
+  return __builtin_altivec_vstribl_p(__CR6_EQ, (vector char)__a);
 #endif
 }
 
@@ -18924,27 +18991,29 @@
 static __inline__ vector unsigned char __ATTRS_o_ai
 vec_strir(vector unsigned char __a) {
 #ifdef __LITTLE_ENDIAN__
-  return __builtin_altivec_vstribl((vector signed char)__a);
+  return (vector unsigned char)__builtin_altivec_vstribl((vector char)__a);
 #else
-  return __builtin_altivec_vstribr((vector signed char)__a);
+  return (vector unsigned char)__builtin_altivec_vstribr((vector char)__a);
 #endif
 }
 
 static __inline__ vector signed char __ATTRS_o_ai
 vec_strir(vector signed char __a) {
 #ifdef __LITTLE_ENDIAN__
-  return __builtin_altivec_vstribl(__a);
+  return (vector signed char)__builtin_altivec_vstribl((vector char)__a);
 #else
-  return __builtin_altivec_vstribr(__a);
+  return (vector signed char)__builtin_altivec_vstribr((vector char)__a);
 #endif
 }
 
 static __inline__ vector unsigned short __ATTRS_o_ai
 vec_strir(vector unsigned short __a) {
 #ifdef __LITTLE_ENDIAN__
-  return __builtin_altivec_vstrihl((vector signed short)__a);
+  return (vector unsigned short)__builtin_altivec_vstrihl(
+      (vector signed short)__a);
 #else
-  return __builtin_altivec_vstrihr((vector signed short)__a);
+  return (vector unsigned short)__builtin_altivec_vstrihr(
+      (vector signed short)__a);
 #endif
 }
 
@@ -18961,17 +19030,17 @@
 
 static __inline__ int __ATTRS_o_ai vec_strir_p(vector unsigned char __a) {
 #ifdef __LITTLE_ENDIAN__
-  return __builtin_altivec_vstribl_p(__CR6_EQ, (vector signed char)__a);
+  return __builtin_altivec_vstribl_p(__CR6_EQ, (vector char)__a);
 #else
-  return __builtin_altivec_vstribr_p(__CR6_EQ, (vector signed char)__a);
+  return __builtin_altivec_vstribr_p(__CR6_EQ, (vector char)__a);
 #endif
 }
 
 static __inline__ int __ATTRS_o_ai vec_strir_p(vector signed char __a) {
 #ifdef __LITTLE_ENDIAN__
-  return __builtin_altivec_vstribl_p(__CR6_EQ, __a);
+  return __builtin_altivec_vstribl_p(__CR6_EQ, (vector char)__a);
 #else
-  return __builtin_altivec_vstribr_p(__CR6_EQ, __a);
+  return __builtin_altivec_vstribr_p(__CR6_EQ, (vector char)__a);
 #endif
 }
 
diff --git a/clang/test/CodeGen/PowerPC/builtins-ppc-p10vector.c b/clang/test/CodeGen/PowerPC/builtins-ppc-p10vector.c
--- a/clang/test/CodeGen/PowerPC/builtins-ppc-p10vector.c
+++ b/clang/test/CodeGen/PowerPC/builtins-ppc-p10vector.c
@@ -1952,7 +1952,7 @@
 vector signed __int128 test_vec_rl_s128(void) {
   // CHECK-LABEL: @test_vec_rl_s128(
   // CHECK: sub <1 x i128>
-  // CHECK-NEXT: lshr <1 x i128>
+  // CHECK-NEXT: ashr <1 x i128>
   // CHECK-NEXT: or <1 x i128>
   // CHECK-NEXT: ret <1 x i128>
   return vec_rl(vsi128a, vsi128b);
diff --git a/clang/test/CodeGen/PowerPC/builtins-ppc-quadword-noi128.c b/clang/test/CodeGen/PowerPC/builtins-ppc-quadword-noi128.c
--- a/clang/test/CodeGen/PowerPC/builtins-ppc-quadword-noi128.c
+++ b/clang/test/CodeGen/PowerPC/builtins-ppc-quadword-noi128.c
@@ -7,7 +7,7 @@
 // RUN:   -triple powerpc64-aix-unknown -emit-llvm %s -o - | FileCheck \
 // RUN:   %s -check-prefix=CHECK-AIX
 // RUN: %clang_cc1 -O2 -target-feature +altivec -target-feature +power8-vector \
-// RUN:   -triple powerpc-aix-unknown -emit-llvm %s -o - | FileCheck \
+// RUN:   -triple powerpc-aix-unknown -emit-llvm -fforce-enable-int128 %s -o - | FileCheck \
 // RUN:   %s -check-prefix=CHECK-AIX
 #include <altivec.h>
 // CHECK-LE-LABEL: @test_subc(