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/*
Test the least significant bit by byte instruction
xvtlsbb BF,XB
Using the builtins
int vec_test_lsbb_all_zeros (vector unsigned char);
int vec_test_lsbb_all_ones (vector unsigned char);
*/
/* { dg-do run { target { power10_hw } } } */
/* { dg-do link { target { ! power10_hw } } } */
/* { dg-require-effective-target power10_ok } */
/* { dg-options "-fno-inline -mdejagnu-cpu=power10 -O2" } */
#include <altivec.h>
#include <stdio.h>
void abort (void);
#define ITERS 7
vector char input_vec[ITERS] = {
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
{0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1},
{1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0},
{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
{0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe},
{0xfe, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9}
};
int expected_allzeros_results[ITERS] = {1, 0, 0, 0, 0, 1, 0};
int expected_allones_results[ITERS] = {0, 1, 0, 0, 1, 0, 0};
int test_for_zeros(vector char vc) {
return vec_test_lsbb_all_zeros(vc);
}
int test_for_ones(vector char vc) {
return vec_test_lsbb_all_ones(vc);
}
int main ()
{
int allzeros,allones;
int iter;
int failcount=0;
vector char srcvec;
for (iter=0;iter<ITERS;iter++) {
srcvec = input_vec[iter];
allzeros = test_for_zeros(srcvec);
allones = test_for_ones(srcvec);
if (allzeros != expected_allzeros_results[iter]) {
printf("fail on allzero check. iter %d, result was %d \n", iter, allzeros);
failcount++;
}
if (allones != expected_allones_results[iter]) {
printf("fail on allones check. iter %d, result was %d \n", iter, allones);
failcount++;
}
}
if (failcount)
abort();
return 0;
}
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