d = vec_adde_u128(a, b, c)
Adds
unsigned quadword values with carry bit from the previous operation.
This
function operates on the vectors as 128-bit unsigned integers. It
returns low 128 bits of
a + b + (c & 1).
Note: Only
the carry bit (127-bit) of c is used, and the other
bits are ignored.
Table 1. Vector Add With Carry
unsigned 128-bits| d |
a |
b |
c |
|---|
| vector unsigned char |
vector unsigned char |
vector unsigned char |
vector unsigned char |