gcc/testsuite/gcc.target/arm/pr59923.c

   1 /* PR target/59923 */
   2 /* { dg-do compile } */
   3 /* { dg-skip-if "-mpure-code supports M-profile only" { *-*-* } { "-mpure-code" } } */
   4 /* { dg-require-effective-target arm_thumb2_ok } */
   5 /* { dg-options "-O2 -mcpu=cortex-a15 -fno-strict-aliasing -mthumb -g" } */
   6
   7 struct S
   8 {
   9   void *s;
  10   struct T { unsigned short a; unsigned char b[4], c[4]; } *t;
  11 } s;
  12 void bar (void *);
  13
  14 void
  15 foo (struct S *x, int *y)
  16 {
  17   if (*y > 0)
  18     return;
  19   else if (x->t->b[0] == 0x43 && x->t->b[1] == 0x6d && x->t->c[0] == 1)
  20     x->s = &s;
  21   else
  22     *y = 16384;
  23   if (*y > 0)
  24     bar (x);
  25 }