| /* { dg-do compile { target { i?86-*-* x86_64-*-* } } } */ |
| /* { dg-options "-O2 -fno-tree-vectorize -fno-tree-loop-distribute-patterns -fprefetch-loop-arrays -march=amdfam10 --param simultaneous-prefetches=100 -fdump-tree-aprefetch-details -fdump-tree-optimized" } */ |
| |
| #define K 1000000 |
| int a[K], b[K]; |
| |
| void test() |
| { |
| unsigned i; |
| |
| /* Nontemporal store should be used for a, nontemporal prefetch for b. */ |
| for (i = 0; i < K; i++) |
| a[i] = b[i]; |
| |
| } |
| |
| /* { dg-final { scan-tree-dump-times "Issued nontemporal prefetch" 1 "aprefetch" } } */ |
| /* { dg-final { scan-tree-dump-times "a nontemporal store" 1 "aprefetch" } } */ |
| |
| /* { dg-final { scan-tree-dump-times "builtin_prefetch" 1 "optimized" } } */ |
| /* { dg-final { scan-tree-dump "=\\{nt\\}" "optimized" } } */ |
| /* { dg-final { scan-tree-dump-times "__builtin_ia32_mfence" 1 "optimized" } } */ |
