| /* Verify straight-line strength reduction for array | |
| subscripting. | |
| elems[n-1] is reduced to elems + n * 4 + 0xffffffff * 4, only when | |
| pointers are of the same size as that of int (assuming 4 bytes). */ | |
| /* { dg-do run } */ | |
| /* { dg-options "-O2" } */ | |
| struct data | |
| { | |
| unsigned long elms[1]; | |
| } gData; | |
| void __attribute__((noinline)) | |
| foo (struct data *dst, unsigned int n) | |
| { | |
| dst->elms[n - 1] &= 1; | |
| } | |
| int | |
| main () | |
| { | |
| foo (&gData, 1); | |
| return 0; | |
| } | |