/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */ /* { dg-final { scan-assembler "bn 32532,#0" } } */ typedef struct { unsigned short b0:1; unsigned short b1:1; unsigned short b2:1; unsigned short b3:1; unsigned short b4:1; unsigned short b5:1; unsigned short b6:1; unsigned short b7:1; unsigned short b8:1; unsigned short b9:1; unsigned short b10:1; unsigned short b11:1; unsigned short b12:1; unsigned short b13:1; unsigned short b14:1; unsigned short b15:1; } BitField; #define SFRA (*((volatile BitField*)0x7f14)) unsigned short *pA = (unsigned short *) 0x7f14; #define SFRB (*((volatile BitField*)0x7f10)) unsigned short *pB = (unsigned short *) 0x7f10; char * Do (void) { if (SFRA.b0) { if (SFRB.b0) return "Fail"; else return "Success"; } else return "Fail"; } int main (void) { *pA = 0xedcb; *pB = 0x1234; return Do ()[0] == 'F'; }