gcc/testsuite/gcc.target/xstormy16/bss_below100/22_if1_b100b_bitfield_3.c

   1 /* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
   2 /* { dg-final { scan-assembler "b\[np\] B100A,#3," } } */
   3 /* { dg-final { scan-assembler "b\[np\] B100B,#3," } } */
   4
   5 typedef struct
   6 {
   7   unsigned char b0:1;
   8   unsigned char b1:1;
   9   unsigned char b2:1;
  10   unsigned char b3:1;
  11   unsigned char b4:1;
  12   unsigned char b5:1;
  13   unsigned char b6:1;
  14   unsigned char b7:1;
  15 } BitField;
  16
  17 char acDummy[0xf0] __attribute__ ((__BELOW100__));
  18 BitField B100A __attribute__ ((__BELOW100__));
  19 unsigned char *pA = (unsigned char *) &B100A;
  20 BitField B100B __attribute__ ((__BELOW100__));
  21 unsigned char *pB = (unsigned char *) &B100B;
  22
  23 char *
  24 Do (void)
  25 {
  26   if (B100A.b3)
  27     {
  28       if (B100B.b3)
  29         return "Fail";
  30       else
  31         return "Success";
  32     }
  33   else
  34     return "Fail";
  35 }
  36
  37 int
  38 main (void)
  39 {
  40   *pA = 0xcb;
  41   *pB = 0x34;
  42   return Do ()[0] == 'F';
  43 }