1  /* { dg-do compile } */
       2  /* { dg-require-effective-target ia32 } */
       3  /* { dg-options "-mpreferred-stack-boundary=2 -march=i586 -O2 -fomit-frame-pointer" } */
       4  
       5  extern void *foo(void *a, const void *b, unsigned c);
       6  
       7  extern inline void *
       8  bar(void *a, const void *b, unsigned c)
       9  {
      10    int d0, d1, d2;
      11    __asm__ __volatile__(
      12      "" :
      13      "=&c" (d0), "=&D" (d1), "=&S" (d2) :
      14      "0" (c/4), "q" (c), "1" (a), "2" (b) :
      15      "memory");
      16    return a;
      17  }
      18  
      19  typedef struct {
      20    unsigned char a;
      21    unsigned b : 2;
      22    unsigned c : 4;
      23    unsigned d : 2;
      24  } *baz;
      25  
      26  static int
      27  dead(unsigned short *v, char *w, unsigned char *x, int y, int z)
      28  {
      29    int i = 0;
      30    unsigned short j = *v;
      31  
      32    while (y > 0) {
      33      ((baz)x)->a = j;
      34      ((baz)x)->b = 0;
      35      ((baz)x)->c = 0;
      36      ((baz)x)->d = 0;
      37      __builtin_constant_p(i) ? foo(x, w, i) : bar(x, w, i);
      38    }
      39    return z - y;
      40  }