[clang] 74b1ac7 - [NFC] Update return type of vec_popcnt to vector unsigned.

[Amy Kwan via cfe-commits]

Author: Amy Kwan
Date: 2021-10-07T11:33:19-05:00
New Revision: 74b1ac7155a01e5d29cff612717f773da095d696

URL: https://github.com/llvm/llvm-project/commit/74b1ac7155a01e5d29cff612717f773da095d696
DIFF: https://github.com/llvm/llvm-project/commit/74b1ac7155a01e5d29cff612717f773da095d696.diff

LOG: [NFC] Update return type of vec_popcnt to vector unsigned.

This patch updates the vec_popcnt builtins to return vector unsigned,
as defined by the Power Vector Intrinsics Programming Reference.
This patch is NFC and all existing tests pass.

Differential Revision: https://reviews.llvm.org/D110934

Added: 
    

Modified: 
    clang/lib/Headers/altivec.h

Removed: 
    


################################################################################
diff  --git a/clang/lib/Headers/altivec.h b/clang/lib/Headers/altivec.h
index a6dfe2d14423..9d244158b202 100644
--- a/clang/lib/Headers/altivec.h
+++ b/clang/lib/Headers/altivec.h
@@ -2482,7 +2482,7 @@ vec_cmplt(vector unsigned long long __a, vector unsigned long long __b) {
 #ifdef __POWER8_VECTOR__
 /* vec_popcnt */
 
-static __inline__ vector signed char __ATTRS_o_ai
+static __inline__ vector unsigned char __ATTRS_o_ai
 vec_popcnt(vector signed char __a) {
   return __builtin_altivec_vpopcntb(__a);
 }
@@ -2490,7 +2490,7 @@ static __inline__ vector unsigned char __ATTRS_o_ai
 vec_popcnt(vector unsigned char __a) {
   return __builtin_altivec_vpopcntb(__a);
 }
-static __inline__ vector signed short __ATTRS_o_ai
+static __inline__ vector unsigned short __ATTRS_o_ai
 vec_popcnt(vector signed short __a) {
   return __builtin_altivec_vpopcnth(__a);
 }
@@ -2498,7 +2498,7 @@ static __inline__ vector unsigned short __ATTRS_o_ai
 vec_popcnt(vector unsigned short __a) {
   return __builtin_altivec_vpopcnth(__a);
 }
-static __inline__ vector signed int __ATTRS_o_ai
+static __inline__ vector unsigned int __ATTRS_o_ai
 vec_popcnt(vector signed int __a) {
   return __builtin_altivec_vpopcntw(__a);
 }
@@ -2506,7 +2506,7 @@ static __inline__ vector unsigned int __ATTRS_o_ai
 vec_popcnt(vector unsigned int __a) {
   return __builtin_altivec_vpopcntw(__a);
 }
-static __inline__ vector signed long long __ATTRS_o_ai
+static __inline__ vector unsigned long long __ATTRS_o_ai
 vec_popcnt(vector signed long long __a) {
   return __builtin_altivec_vpopcntd(__a);
 }