d = vec_mule(a, b)Returns
a vector containing the results of performing a multiply operation
for each corresponding set of even-indexed elements of the given vectors,
and extended to double element-sized of the elements.
Figure 1. Even multiply of 4 integer
elements (16-bit)
| d | a | b |
|---|---|---|
| vector unsigned short | vector unsigned char | vector unsigned char |
| vector signed short | vector signed char | vector signed char |
| vector unsigned int | vector unsigned short | vector unsigned short |
| vector signed int | vector signed short | vector signed short |
| vector unsigned long long | vector unsigned int | vector unsigned int |
| vector signed long long | vector signed int | vector signed int |