gcc/testsuite/gcc.target/powerpc/lsbb-runnable.c

   1 /*
   2  Test the least significant bit by byte instruction
   3     xvtlsbb BF,XB
   4  Using the builtins
   5     int vec_test_lsbb_all_zeros (vector unsigned char);
   6     int vec_test_lsbb_all_ones (vector unsigned char);
   7  */
   8
   9 /* { dg-do run { target { power10_hw } } } */
  10 /* { dg-do link { target { ! power10_hw } } } */
  11 /* { dg-require-effective-target power10_ok } */
  12 /* { dg-options "-fno-inline -mdejagnu-cpu=power10 -O2" } */
  13
  14 #include <altivec.h>
  15 #include <stdio.h>
  16
  17 void abort (void);
  18
  19 #define ITERS 7
  20 vector char input_vec[ITERS] = {
  21   {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
  22   {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
  23   {0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1},
  24   {1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0},
  25   {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
  26   {0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe},
  27   {0xfe, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9}
  28 };
  29
  30 int expected_allzeros_results[ITERS] = {1, 0, 0, 0, 0, 1, 0};
  31 int expected_allones_results[ITERS] =  {0, 1, 0, 0, 1, 0, 0};
  32
  33 int test_for_zeros(vector char vc) {
  34   return vec_test_lsbb_all_zeros(vc);
  35 }
  36
  37 int test_for_ones(vector char vc) {
  38   return vec_test_lsbb_all_ones(vc);
  39 }
  40
  41 int main ()
  42 {
  43 int allzeros,allones;
  44 int iter;
  45 int failcount=0;
  46 vector char srcvec;
  47
  48 for (iter=0;iter<ITERS;iter++) {
  49   srcvec = input_vec[iter];
  50   allzeros = test_for_zeros(srcvec);
  51   allones = test_for_ones(srcvec);
  52   if (allzeros != expected_allzeros_results[iter]) {
  53     printf("fail on allzero check. iter %d, result was %d \n", iter, allzeros);
  54     failcount++;
  55   }
  56   if (allones != expected_allones_results[iter]) {
  57     printf("fail on allones check. iter %d, result was %d \n", iter, allones);
  58     failcount++;
  59   }
  60 }
  61
  62 if (failcount)
  63   abort();
  64 return 0;
  65 }
  66