gnu/dist/gcc4/gcc/testsuite/gcc.dg/ia64-sync-1.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target sync_int_long } */
   3 /* { dg-options } */
   4 /* { dg-options "-march=i486" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
   5
   6 /* Test basic functionality of the intrinsics.  The operations should
   7    not be optimized away if no one checks the return values.  */
   8
   9 extern void abort (void);
  10 extern void *memcpy (void *, const void *, __SIZE_TYPE__);
  11
  12 static int AI[12];
  13 static int init_noret_si[12] = { 0, 0, 0, 1, 0, 0, 0, 0, -1, 0, 0, 0 };
  14 static int test_noret_si[12] = { 1, 1, 1, 0, 1, 4, 22, -12, 7, 8, 9, 7 };
  15
  16 static void
  17 do_noret_si (void)
  18 {
  19   __sync_val_compare_and_swap(AI+0, 0, 1);
  20   __sync_bool_compare_and_swap(AI+1, 0, 1);
  21   __sync_lock_test_and_set(AI+2, 1);
  22   __sync_lock_release(AI+3);
  23
  24   __sync_fetch_and_add(AI+4, 1);
  25   __sync_fetch_and_add(AI+5, 4);
  26   __sync_fetch_and_add(AI+6, 22);
  27   __sync_fetch_and_sub(AI+7, 12);
  28   __sync_fetch_and_and(AI+8, 7);
  29   __sync_fetch_and_or(AI+9, 8);
  30   __sync_fetch_and_xor(AI+10, 9);
  31   __sync_fetch_and_nand(AI+11, 7);
  32 }
  33
  34 static long AL[12];
  35 static long init_noret_di[12] = { 0, 0, 0, 1, 0, 0, 0, 0, -1, 0, 0, 0 };
  36 static long test_noret_di[12] = { 1, 1, 1, 0, 1, 4, 22, -12, 7, 8, 9, 7 };
  37
  38 static void
  39 do_noret_di (void)
  40 {
  41   __sync_val_compare_and_swap(AL+0, 0, 1);
  42   __sync_bool_compare_and_swap(AL+1, 0, 1);
  43   __sync_lock_test_and_set(AL+2, 1);
  44   __sync_lock_release(AL+3);
  45
  46   __sync_fetch_and_add(AL+4, 1);
  47   __sync_fetch_and_add(AL+5, 4);
  48   __sync_fetch_and_add(AL+6, 22);
  49   __sync_fetch_and_sub(AL+7, 12);
  50   __sync_fetch_and_and(AL+8, 7);
  51   __sync_fetch_and_or(AL+9, 8);
  52   __sync_fetch_and_xor(AL+10, 9);
  53   __sync_fetch_and_nand(AL+11, 7);
  54 }
  55
  56 int main()
  57 {
  58   memcpy(AI, init_noret_si, sizeof(init_noret_si));
  59   memcpy(AL, init_noret_di, sizeof(init_noret_di));
  60
  61   do_noret_si ();
  62   do_noret_di ();
  63
  64   if (memcmp (AI, test_noret_si, sizeof(test_noret_si)))
  65     abort ();
  66   if (memcmp (AL, test_noret_di, sizeof(test_noret_di)))
  67     abort ();
  68
  69   return 0;
  70 }