gcc/testsuite/gcc.target/powerpc/cntlzdm-0.c

   1 /* { dg-require-effective-target lp64 } */
   2 /* { dg-options "-mdejagnu-cpu=power10" } */
   3
   4 extern void abort (void);
   5
   6 unsigned long long int
   7 do_cntlzdm (unsigned long long int source, unsigned long long int mask)
   8 {
   9   return __builtin_cntlzdm (source, mask);
  10 }
  11
  12 int main (int argc, char *argv [])
  13 {
  14   unsigned long long int sources [4], masks [4];
  15   unsigned long long int intermediates [4][4] = {
  16     /* sources[0] with each of masks [0 .. 3] */
  17     { 0x0000a5f0ll, 0x00007e3cll, 0x000050ecll, 0x0000af73ll },
  18     /* sources[1] with each of masks [0 .. 3] */
  19     { 0x00007e3cll, 0x0000a5f0ll, 0x0000ec50ll, 0x000073afll },
  20     /* sources[2] with each of masks [0 .. 3] */
  21     { 0x00003ca5ll, 0x0000f07ell, 0x0000c50ell, 0x00003af7ll },
  22     /* sources[3] with each of masks [0 .. 3] */
  23     { 0x00005a0fll, 0x0000e7c3ll, 0x0000af73ll, 0x000050ecll },
  24   };
  25   unsigned long long int results [4][4] = {
  26     { 0, 1, 1, 0 },
  27     { 1, 0, 0, 1 },
  28     { 2, 0, 0, 2 },
  29     { 1, 0, 0, 1 },
  30   };
  31
  32   sources[0] = 0xa5f07e3cll;
  33   sources[1] = 0x7e3ca5f0ll;
  34   sources[2] = 0x3ca5f07ell;
  35   sources[3] = 0x5a0fe7c3ll;
  36
  37   masks[0] = 0xffff0000ll;
  38   masks[1] = 0x0000ffffll;
  39   masks[2] = 0x0f0f0f0fll;
  40   masks[3] = 0xf0f0f0f0ll;
  41
  42   unsigned long long int result;
  43
  44   for (int i = 0; i < 4; i++)
  45     {
  46       for (int j = 0; j < 4; j++)
  47         {
  48           if (do_cntlzdm (sources[i], masks[j]) != results [i][j])
  49             abort ();
  50         }
  51     }
  52
  53   return 0;
  54 }
  55
  56 /* { dg-final { scan-assembler {\mcntlzdm\M} } } */