The + (addition) operator yields the sum of its operands.
| Result types | Left operand types | Right operand types |
|---|---|---|
| vector signed char | vector signed char | vector signed char |
| vector signed char | vector bool char | |
| vector bool char | vector signed char | |
| vector unsigned char | vector unsigned char | vector unsigned char |
| vector unsigned char | vector bool char | |
| vector bool char | vector unsigned char | |
| vector signed short | vector signed short | vector signed short |
| vector signed short | vector bool short | |
| vector bool short | vector signed short | |
| vector unsigned short | vector unsigned short | vector unsigned short |
| vector unsigned short | vector bool short | |
| vector bool short | vector unsigned short | |
| vector signed int | vector signed int | vector signed int |
| vector signed int | vector bool int | |
| vector bool int | vector signed int | |
| vector unsigned int | vector unsigned int | vector unsigned int |
| vector unsigned int | vector bool int | |
| vector bool int | vector unsigned int | |
| vector signed long long | vector signed long long | vector signed long long |
| vector unsigned long long | vector unsigned long long | vector unsigned long long |
| vector double | vector double | vector double |