gcc/testsuite/gcc.target/sh/pr59401-1.c

   1 /* Check that the GBR address optimization does not produce wrong memory
   2    accesses.  In this case the GBR value must be stored to a normal register
   3    and a GBR memory access must not be done.  */
   4 /* { dg-do compile }  */
   5 /* { dg-options "-O1" } */
   6 /* { dg-final { scan-assembler "stc\tgbr" } } */
   7 /* { dg-final { scan-assembler "bf|bt" } } */
   8
   9 typedef struct
  10 {
  11   int x, y, z, w;
  12 } tcb_t;
  13
  14 int
  15 test_00 (int a, tcb_t* b)
  16 {
  17   tcb_t* tcb = (a & 5) ? (tcb_t*)__builtin_thread_pointer () : b;
  18   return tcb->w + tcb->x;
  19 }