gcc/testsuite/gcc.target/xstormy16/sfr/20_set_sfrb_bitfield_0.c

   1 /* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
   2 /* { dg-final { scan-assembler "set1 32532,#0" } } */
   3
   4 typedef struct
   5 {
   6   unsigned char b0:1;
   7   unsigned char b1:1;
   8   unsigned char b2:1;
   9   unsigned char b3:1;
  10   unsigned char b4:1;
  11   unsigned char b5:1;
  12   unsigned char b6:1;
  13   unsigned char b7:1;
  14 } BitField;
  15
  16 #define SFR (*((volatile BitField*)0x7f14))
  17 unsigned char *p = (unsigned char *) 0x7f14;
  18
  19 void
  20 Do (void)
  21 {
  22   SFR.b0 = 1;
  23 }
  24
  25 int
  26 main (void)
  27 {
  28   *p = 0x34;
  29   Do ();
  30   return (*p == 0x35) ? 0 : 1;
  31 }