1  /* { dg-do compile {target *-*-darwin* } } */
       2  /* { dg-options "-std=c99 -w -fcommon" } */
       3  
       4  /* This has been designed to give the same section usage for
       5     -m32 and -m64 - so don't put any ints or longs in it ... */
       6  
       7  /* A zero-sized object.  */
       8  typedef struct _empty {} e_s;
       9  
      10  /* These should go in .comm */
      11  char ub;
      12  e_s ea;
      13  /* { dg-final { scan-assembler ".comm\[\t \]_ub,1" } } */
      14  /* { dg-final { scan-assembler ".comm\[\t \]_ea,1" } } */
      15  
      16  /* These should go into __DATA,__common */
      17  char a = 0;
      18  short b = 0;
      19  long long d = 0;
      20  float e = 0;
      21  double f = 0;
      22  long double g = 0.L;
      23  long long al_256 __attribute__((aligned (256))) = 0;
      24  /* { dg-final { scan-assembler {.zerofill __DATA,__common,_a,1,0} } } */
      25  /* { dg-final { scan-assembler {.zerofill __DATA,__common,_b,2,1} } } */
      26  /* { dg-final { scan-assembler {.zerofill __DATA,__common,_d,8,3} } } */
      27  /* { dg-final { scan-assembler {.zerofill __DATA,__common,_e,4,2} } } */
      28  /* { dg-final { scan-assembler {.zerofill __DATA,__common,_f,8,3} } } */
      29  /* long double can be 64 or 128 bits depending on the Darwin subtarget.  */
      30  /* { dg-final { scan-assembler {.zerofill __DATA,__common,_g,(16,4|8,3)} } } */
      31  /* { dg-final { scan-assembler {.zerofill __DATA,__common,_al_256,8,8} } } */
      32  
      33  /* These should go into __DATA,__bss */
      34  static e_s sea;
      35  static char sa ;
      36  static short sb ;
      37  static long long sd;
      38  static float se ;
      39  static double sf ;
      40  static long double sg;
      41  static long long sal_256 __attribute__((aligned (2048)));
      42  /* { dg-final { scan-assembler {.zerofill __DATA,__bss,_sea,1,0} } } */
      43  /* { dg-final { scan-assembler {.zerofill __DATA,__bss,_sa,1,0} } } */
      44  /* { dg-final { scan-assembler {.zerofill __DATA,__bss,_sb,2,1} } } */
      45  /* { dg-final { scan-assembler {.zerofill __DATA,__bss,_sd,8,3} } } */
      46  /* { dg-final { scan-assembler {.zerofill __DATA,__bss,_se,4,2} } } */
      47  /* { dg-final { scan-assembler {.zerofill __DATA,__bss,_sf,8,3} } } */
      48  /* long double can be 64 or 128 bits depending on the Darwin subtarget.  */
      49  /* { dg-final { scan-assembler {.zerofill __DATA,__bss,_sg,(16,4|8,3)} } } */
      50  /* { dg-final { scan-assembler {.zerofill __DATA,__bss,_sal_256,8,11} } } */
      51  
      52  long long foo (int x)
      53  {
      54    e_s *s;
      55    a += x + sa;
      56    b += a + sb;
      57    d += b + sd;
      58    e += d + se;
      59    f += e + sf;
      60    g += f + sg;
      61   
      62    s = &ea;
      63    s = &sea;
      64    
      65    b += al_256;
      66    b += sal_256;
      67  
      68    return (long long) sd + b;
      69  }