1/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */ 2/* { dg-final { scan-assembler "bp 32532,#3" } } */ 3 4typedef 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)) 25unsigned short *pA = (unsigned short *) 0x7f14; 26#define SFRB (*((volatile BitField*)0x7f10)) 27unsigned short *pB = (unsigned short *) 0x7f10; 28 29char * 30Do (void) 31{ 32 if (!SFRA.b3) 33 { 34 if (!SFRB.b3) 35 return "Fail"; 36 else 37 return "Success"; 38 } 39 else 40 return "Fail"; 41} 42 43int 44main (void) 45{ 46 *pA = 0x1234; 47 *pB = 0xedcb; 48 return Do ()[0] == 'F'; 49} 50