| /* PR rtl-optimization/89795 */ | |
| /* { dg-do run } */ | |
| /* { dg-options "-O2 -fno-dce -fno-forward-propagate -fno-sched-pressure" } */ | |
| unsigned char a; | |
| unsigned b, c, d; | |
| int | |
| main () | |
| { | |
| #if __CHAR_BIT__ == 8 | |
| unsigned x; | |
| int e, f; | |
| unsigned char g; | |
| e = __builtin_bswap32 (a); | |
| f = __builtin_ffs (~(unsigned short) e); | |
| a = __builtin_mul_overflow ((unsigned char) 0xf7, f, &g); | |
| a |= __builtin_sub_overflow_p (c, 0, (unsigned char) 0); | |
| d = g + b; | |
| x = d; | |
| if (x != 0xf7) | |
| __builtin_abort (); | |
| #endif | |
| return 0; | |
| } |