old-autovect-branch/gcc/testsuite/gcc.target/xstormy16/sfr/27_if0_sfrw_bitfield_8.c

   1 /* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
   2 /* { dg-final { scan-assembler "bp 32533,#0" } } */
   3
   4 typedef struct
   5 {
   6   unsigned short b0:1;
   7   unsigned short b1:1;
   8   unsigned short b2:1;
   9   unsigned short b3:1;
  10   unsigned short b4:1;
  11   unsigned short b5:1;
  12   unsigned short b6:1;
  13   unsigned short b7:1;
  14   unsigned short b8:1;
  15   unsigned short b9:1;
  16   unsigned short b10:1;
  17   unsigned short b11:1;
  18   unsigned short b12:1;
  19   unsigned short b13:1;
  20   unsigned short b14:1;
  21   unsigned short b15:1;
  22 } BitField;
  23
  24 #define SFRA (*((volatile BitField*)0x7f14))
  25 unsigned short *pA = (unsigned short *) 0x7f14;
  26 #define SFRB (*((volatile BitField*)0x7f10))
  27 unsigned short *pB = (unsigned short *) 0x7f10;
  28
  29 char *
  30 Do (void)
  31 {
  32   if (!SFRA.b8)
  33     {
  34       if (!SFRB.b8)
  35         return "Fail";
  36       else
  37         return "Success";
  38     }
  39   else
  40     return "Fail";
  41 }
  42
  43 int
  44 main (void)
  45 {
  46   *pA = 0x1234;
  47   *pB = 0xedcb;
  48   return Do ()[0] == 'F';
  49 }