1  /* PR target/25199 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-Os -mtune=pentium4" } */
       4  /* { dg-require-effective-target ia32 } */
       5  
       6  struct S
       7  {
       8    void *p[30];
       9    unsigned char c[4];
      10  };
      11  
      12  unsigned char d;
      13  
      14  void
      15  foo (struct S *x)
      16  {
      17    register unsigned char e __asm ("esi");
      18    e = x->c[3];
      19    __asm __volatile ("" : : "r" (e));
      20    e = x->c[0];
      21    __asm __volatile ("" : : "r" (e));
      22  }
      23  
      24  /* { dg-final { scan-assembler-not "movl\[ \t\]*123" } } */
      25  /* { dg-final { scan-assembler "movzbl\[ \t\]*123" } } */
      26  /* { dg-final { scan-assembler "mov(zb)?l\[ \t\]*120" } } */