gcc/testsuite/gcc.target/frv/fr405-builtins-2.c

   1 /* Test the SCUTSS instruction.  */
   2 /* { dg-options "-mcpu=fr405" } */
   3 /* { dg-do run } */
   4 extern void abort (void);
   5 extern void exit (int);
   6
   7 int main ()
   8 {
   9   struct {
  10     long long value;
  11     int cut_point;
  12     int result;
  13   } values[] = {
  14     /* Non-saturating values */
  15
  16     { +0x0000000000001234LL, 44, +0x01234000 },
  17     { ~0x0000000000001234LL, 44, ~0x01234fff },
  18
  19     { +0x0000011223300fffLL, 20, +0x11223301 },
  20     { ~0x0000011223300fffLL, 20, ~0x11223300 },
  21     { +0x0000011223300800LL, 20, +0x11223301 },
  22     { ~0x0000011223300800LL, 20, ~0x11223300 },
  23     { +0x00000112233007ffLL, 20, +0x11223300 },
  24     { ~0x00000112233007ffLL, 20, ~0x112232ff },
  25     { +0x0000011223300000LL, 20, +0x11223300 },
  26     { ~0x0000011223300000LL, 20, ~0x112232ff },
  27
  28     { +0x1234567fffffffffLL, -4, +0x01234568 },
  29     { ~0x1234567fffffffffLL, -4, ~0x01234567 },
  30     { +0x1234567800000000LL, -4, +0x01234568 },
  31     { ~0x1234567800000000LL, -4, ~0x01234567 },
  32     { +0x12345677ffffffffLL, -4, +0x01234567 },
  33     { ~0x12345677ffffffffLL, -4, ~0x01234566 },
  34     { +0x1234567000000000LL, -4, +0x01234567 },
  35     { ~0x1234567000000000LL, -4, ~0x01234566 },
  36
  37     /* Saturation tests */
  38
  39     { +0x4000000000000000LL, 44, +0x7fffffff },
  40     { ~0x4000000000000000LL, 44, ~0x7fffffff },
  41     { +0x0000000000080000LL, 44, +0x7fffffff },
  42     { ~0x0000000000080000LL, 44, ~0x7fffffff },
  43     { +0x000000000007ffffLL, 44, +0x7ffff000 },
  44     { ~0x000000000007ffffLL, 44, ~0x7fffffff },
  45     { +0x000000000007fffeLL, 44, +0x7fffe000 },
  46     { ~0x000000000007fffeLL, 44, ~0x7fffefff },
  47
  48     { +0x4000000000000000LL, 20, +0x7fffffff },
  49     { ~0x4000000000000000LL, 20, ~0x7fffffff },
  50     { +0x0000080000000000LL, 20, +0x7fffffff },
  51     { ~0x0000080000000000LL, 20, ~0x7fffffff },
  52     { +0x000007ffffffffffLL, 20, +0x7fffffff },
  53     { ~0x000007ffffffffffLL, 20, ~0x7fffffff },
  54     { +0x000007fffffff000LL, 20, +0x7fffffff },
  55     { ~0x000007fffffff000LL, 20, ~0x7ffffffe },
  56     { +0x000007ffffffe000LL, 20, +0x7ffffffe },
  57     { ~0x000007ffffffefffLL, 20, ~0x7ffffffe }
  58   };
  59
  60   unsigned int i;
  61
  62   for (i = 0; i < sizeof (values) / sizeof (values[0]); i++)
  63     {
  64       __IACCsetll (0, values[i].value);
  65       if (__SCUTSS (values[i].cut_point) != values[i].result)
  66         abort ();
  67     }
  68   exit (0);
  69 }