gomp-20050608-branch/gcc/testsuite/gcc.target/xstormy16/bss_below100/25_clr_b100w_bitfield_0.c

   1 /* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
   2 /* { dg-final { scan-assembler "clr1 B100,#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 char acDummy[0xf0] __attribute__ ((__BELOW100__));
  25 BitField B100 __attribute__ ((__BELOW100__));
  26 unsigned short *p = (unsigned short *) &B100;
  27
  28 void
  29 Do (void)
  30 {
  31   B100.b0 = 0;
  32 }
  33
  34 int
  35 main (void)
  36 {
  37   *p = 0xedcb;
  38   Do ();
  39   return (*p == 0xedca) ? 0 : 1;
  40 }