| /* Testcase to check generation of a SH2A specific instruction PREF @Rm. */ |
| /* { dg-do assemble {target sh*-*-*}} */ |
| /* { dg-options "-O0" } */ |
| /* { dg-skip-if "" { "sh*-*-*" } "*" "-m2a -m2a-nofpu -m2a-single -m2a-single-only" } */ |
| /* { dg-final { scan-assembler "pref"} } */ |
| |
| void |
| opt (void) |
| { |
| int *p, wk; |
| int data[100]; |
| |
| /* data prefetch , instructions hit the cache. */ |
| |
| __builtin_prefetch (&data[0], 0, 0); |
| __builtin_prefetch (&data[0], 0, 1); |
| __builtin_prefetch (&data[0], 0, 2); |
| __builtin_prefetch (&data[0], 0, 3); |
| __builtin_prefetch (&data[0], 1, 0); |
| __builtin_prefetch (&data[0], 1, 1); |
| __builtin_prefetch (&data[0], 1, 2); |
| __builtin_prefetch (&data[0], 1, 3); |
| |
| |
| for (p = &data[0]; p < &data[9]; p++) |
| { |
| if (*p > *(p + 1)) |
| { |
| wk = *p; |
| *p = *(p + 1); |
| *(p + 1) = wk; |
| } |
| } |
| } |