gcc/testsuite/gcc.target/sh/pr54760-6.c

   1 /* Check that the GBR address optimization works when the GBR register
   2    definition is not in the same basic block where the GBR memory accesses
   3    are.  */
   4 /* { dg-do compile }  */
   5 /* { dg-options "-O1" } */
   6 /* { dg-final { scan-assembler-not "stc\tgbr" } } */
   7
   8 typedef struct
   9 {
  10   int x, y, z, w;
  11 } tcb_t;
  12
  13 int
  14 test_00 (int a, tcb_t* b, int c)
  15 {
  16   tcb_t* tcb = (tcb_t*)__builtin_thread_pointer ();
  17   return (a & 5) ? tcb->x : tcb->w;
  18 }