vec_test_lsbb_all_ones

Purpose

Tests whether the least-significant bits of all bytes of the input argument are equal to 1.

Note: This built-in function is valid only when the -mcpu option is set to target Power10 processors.

Syntax

d=vec_test_lsbb_all_ones(a)

Result and argument types

The following table describes the types of the returned value and the function arguments.

Table 1. Types of the returned value and function arguments
d a
int vector unsigned char

Result value

The result d is set to 1 if the least-significant bit or least-significant bits of all bytes of a are equal to 1. Otherwise, d is set to 0.