| /* { dg-options "-O2 -fdump-rtl-expand -mtune=core2" } */ |
| /* { dg-skip-if "" { ! { i?86-*-* x86_64-*-* } } } */ |
| |
| long buffer1[128], buffer2[128]; |
| char *x; |
| |
| void foo(long *r) |
| { |
| x = (char *)r; |
| asm volatile("" ::: "memory"); |
| } |
| |
| void |
| __attribute__((noinline)) |
| compute() |
| { |
| volatile int n = 24; |
| __builtin_memcpy (buffer1, buffer2, n); |
| foo (&buffer1[0]); |
| } |
| |
| int |
| main() |
| { |
| for (unsigned i = 0; i < 10000; i++) |
| compute (); |
| |
| return 0; |
| } |
| |
| /* { dg-final-use-not-autofdo { scan-rtl-dump "Selected stringop expansion strategy: rep_byte" "expand" } } */ |
