1 /* PR middle-end/40692 */ 2 3 #define M1(x) (((x) & 0x00000002) ? 0x2 : ((x) & 0x1)) 4 #define M2(x) (((x) & 0x0000000c) ? M1 ((x) >> 2) << 2 : M1 (x)) 5 #define M3(x) (((x) & 0x000000f0) ? M2 ((x) >> 4) << 4 : M2 (x)) 6 #define M4(x) (((x) & 0x0000ff00) ? M3 ((x) >> 8) << 8 : M3 (x)) 7 #define M5(x) (((x) & 0xffff0000) ? M4 ((x) >> 16) << 16 : M4 (x)) 8 9 struct A { char e; char f; }; 10 11 long foo(void)12foo (void) 13 { 14 return M5 (4096UL - (long) &((struct A *) 0)->f); 15 } 16