gcc/testsuite/gcc.target/sh/pr54760-3.c

   1 /* Check that these thread relative memory accesses play along with
   2    surrounding code.
   3    These should be moved to C torture tests once there are target
   4    independent thread_pointer built-in functions available.  */
   5 /* { dg-do compile }  */
   6 /* { dg-options "-O1" } */
   7
   8 int
   9 test00 (void* p, int x)
  10 {
  11   int* tcb = (int*)__builtin_thread_pointer ();
  12   int r = tcb[4];
  13
  14   __builtin_set_thread_pointer (p);
  15
  16   tcb = (int*)__builtin_thread_pointer ();
  17   return tcb[255] + r;
  18 }
  19
  20 int
  21 test01 (void)
  22 {
  23   unsigned short* tcb = (unsigned short*)__builtin_thread_pointer ();
  24   return tcb[500];
  25 }
  26
  27 void
  28 test02 (int* x, int a, int b)
  29 {
  30   int* tcb = (int*)__builtin_thread_pointer ();
  31   tcb[50] = a;
  32
  33   __builtin_set_thread_pointer (x);
  34
  35   tcb = (int*)__builtin_thread_pointer ();
  36   tcb[40] = b;
  37 }
  38
  39 int
  40 test03 (const int* x, int c)
  41 {
  42   volatile int* tcb = (volatile int*)__builtin_thread_pointer ();
  43
  44   int s = 0;
  45   int i;
  46   for (i = 0; i < c; ++i)
  47     s ^= x[i] + tcb[40];
  48
  49   return s;
  50 }
  51
  52 int
  53 test04 (const int* x, int c, int** xx, int d)
  54 {
  55   int s = 0;
  56   int i;
  57   for (i = 0; i < c; ++i)
  58   {
  59     volatile int* tcb = (volatile int*)__builtin_thread_pointer ();
  60     tcb[20] = s;
  61
  62    __builtin_set_thread_pointer (xx[i]);
  63
  64     tcb = (volatile int*)__builtin_thread_pointer ();
  65     s ^= x[i] + tcb[40] + d;
  66   }
  67   return s;
  68 }