| /* PR tree-optimization/96573 */ |
| /* { dg-do compile { target { lp64 || ilp32 } } } */ |
| /* { dg-require-effective-target bswap } */ |
| /* { dg-options "-O3 -fdump-tree-optimized" } */ |
| /* { dg-final { scan-tree-dump "__builtin_bswap\|VEC_PERM_EXPR\[^\n\r]*7, 6, 5, 4, 3, 2, 1, 0" "optimized" { xfail vect_variable_length } } } */ |
| |
| typedef __SIZE_TYPE__ size_t; |
| |
| void * |
| foo (void * const p) |
| { |
| const size_t m = sizeof (p) - 1; |
| const unsigned char * const o = (unsigned char*) &p; |
| void *n; |
| unsigned char * const q = (unsigned char *) &n; |
| unsigned char i; |
| for (i = 0; i <= m; ++i) |
| q[m - i] = o[i]; |
| return n; |
| } |