gnu/dist/gcc4/gcc/testsuite/gcc.target/frv/all-read-write-1.c

   1 /* { dg-do run } */
   2 extern void abort (void);
   3 extern void exit (int);
   4
   5 volatile unsigned long long x[2];
   6
   7 int main ()
   8 {
   9   volatile char *addr = (volatile char *) &x[0];
  10
  11   x[0] = ~0ULL;
  12   x[1] = ~0ULL;
  13   __builtin_write64 (addr, 0x1122334455667788ULL);
  14   __builtin_write32 (addr + 8, 0x12345678);
  15   __builtin_write16 (addr + 12, 0xaabb);
  16   __builtin_write8 (addr + 14, 0xcc);
  17
  18   if (x[0] != 0x1122334455667788ULL
  19       || x[1] != 0x12345678aabbccffULL
  20       || __builtin_read8 (addr) != 0x11
  21       || __builtin_read16 (addr + 2) != 0x3344
  22       || __builtin_read32 (addr + 4) != 0x55667788
  23       || __builtin_read64 (addr + 8) != 0x12345678aabbccffULL)
  24     abort ();
  25
  26   __builtin_write64 (addr, 0);
  27   __builtin_write32 (addr + 8, 0);
  28   __builtin_write16 (addr + 12, 0);
  29   __builtin_write8 (addr + 14, 0);
  30   if (x[0] != 0 || x[1] != 0xff)
  31     abort ();
  32
  33   exit (0);
  34 }