vec_slv
Purpose
Left shifts the elements of a given vector by a given number of bits.
This built-in function is valid only when -qarch(-mcpu) is set to utilize the POWER9™ technology and the altivec.h file is included.
Syntax
d=vec_slv(a, b)Result and argument types
The result and arguments are all of the vector unsigned char type.
Result value
Suppose the following information. Element i of the result vector contains the
same bit string as bit Si - bit Si+7 of
Xi.
- Si (0<=i<=15) denotes the value in the three least-significant bits of element i of b.
- Xi (0<=i<=14) denotes the halfword formed by concatenating elements i and i+1 of a.
- X15 denotes the halfword formed by concatenating element 15 of a and a zero byte.
