modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/compile/20010903-1.c (about)

     1  struct A {
     2    long a;
     3  };
     4  
     5  static inline void foo(struct A *x)
     6  {
     7    __asm__ __volatile__("" : "+m"(x->a) : "r"(x) : "memory", "cc");
     8  }
     9  
    10  static inline void bar(struct A *x)
    11  {
    12    foo(x);
    13  }
    14  
    15  struct B { char buf[640]; struct A a; };
    16  struct B b[32];
    17  
    18  int baz(void)
    19  {
    20    int i;
    21    struct B *j;
    22    for (i = 1; i < 32; i++)
    23      {
    24        j = &b[i];
    25        bar(&j->a);
    26      }
    27    return 0;
    28  }