gcc/testsuite/gcc.target/arc/taux-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 */
   3
   4
   5 #define __aux() __attribute__((aux))
   6
   7 __aux() int *a_ptr;
   8 extern __aux() int a_var;
   9
  10 /* Generates:
  11    mov r0, @a_var
  12    sr  10,[r0]
  13 */
  14 void foo (void)
  15 {
  16   a_var = 10;
  17 }
  18
  19 /* Generates:
  20    mov r0, @a_ptr
  21    sr  a_var,[r0]
  22 */
  23 void foo1 (void)
  24 {
  25   a_ptr = &a_var;
  26 }
  27
  28 /* Generates:
  29    lr  %r1,[a_ptr]
  30    sr  10,[%r1]
  31 */
  32 void foo2 (void)
  33 {
  34   *a_ptr = 10;
  35 }
  36
  37 /* { dg-final { scan-assembler-times "sr" 3 } } */
  38 /* { dg-final { scan-assembler-times "lr" 1 } } */