gcc/testsuite/gcc.target/aarch64/pr81647.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O3 -fdump-tree-ssa" } */
   3
   4 #include <fenv.h>
   5
   6 double x[28], y[28];
   7 int res[28];
   8
   9 int
  10 main (void)
  11 {
  12   int i;
  13   for (i = 0; i < 28; ++i)
  14     {
  15       x[i] = __builtin_nan ("");
  16       y[i] = i;
  17     }
  18   __asm__ volatile ("" ::: "memory");
  19   feclearexcept (FE_ALL_EXCEPT);
  20   for (i = 0; i < 4; ++i)
  21     res[i] = __builtin_isgreater (x[i], y[i]);
  22   for (i = 4; i < 8; ++i)
  23     res[i] = __builtin_isgreaterequal (x[i], y[i]);
  24   for (i = 8; i < 12; ++i)
  25     res[i] = __builtin_isless (x[i], y[i]);
  26   for (i = 12; i < 16; ++i)
  27     res[i] = __builtin_islessequal (x[i], y[i]);
  28   for (i = 16; i < 20; ++i)
  29     res[i] = __builtin_islessgreater (x[i], y[i]);
  30   for (i = 20; i < 24; ++i)
  31     res[i] = __builtin_isunordered (x[i], y[i]);
  32   for (i = 24; i < 28; ++i)
  33     res[i] = !(__builtin_isunordered (x[i], y[i]));
  34   __asm__ volatile ("" ::: "memory");
  35   return fetestexcept (FE_ALL_EXCEPT) != 0;
  36 }
  37
  38 /* { dg-final { scan-tree-dump " u> " "ssa" } } */
  39 /* { dg-final { scan-tree-dump " u>= " "ssa" } } */
  40 /* { dg-final { scan-tree-dump " u< " "ssa" } } */
  41 /* { dg-final { scan-tree-dump " u<= " "ssa" } } */
  42 /* { dg-final { scan-tree-dump " u== " "ssa" } } */
  43 /* { dg-final { scan-tree-dump " unord " "ssa" } } */
  44 /* { dg-final { scan-tree-dump " ord " "ssa" } } */