| /* PR tree-optimization/56899 */ |
| |
| #if __SIZEOF_INT__ == 4 && __CHAR_BIT__ == 8 |
| __attribute__((noinline, noclone)) void |
| f1 (int v) |
| { |
| int x = -214748365 * (v - 1); |
| if (x != -1932735285) |
| __builtin_abort (); |
| } |
| |
| __attribute__((noinline, noclone)) void |
| f2 (int v) |
| { |
| int x = 214748365 * (v + 1); |
| if (x != -1932735285) |
| __builtin_abort (); |
| } |
| |
| __attribute__((noinline, noclone)) void |
| f3 (unsigned int v) |
| { |
| unsigned int x = -214748365U * (v - 1); |
| if (x != -1932735285U) |
| __builtin_abort (); |
| } |
| |
| __attribute__((noinline, noclone)) void |
| f4 (unsigned int v) |
| { |
| unsigned int x = 214748365U * (v + 1); |
| if (x != -1932735285U) |
| __builtin_abort (); |
| } |
| #endif |
| |
| int |
| main () |
| { |
| #if __SIZEOF_INT__ == 4 && __CHAR_BIT__ == 8 |
| f1 (10); |
| f2 (-10); |
| f3 (10); |
| f4 (-10U); |
| #endif |
| return 0; |
| } |