diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/loop-28.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/loop-28.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/loop-28.c b/gcc/testsuite/gcc.dg/tree-ssa/loop-28.c new file mode 100644 index 000000000..77d0c47dc --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/loop-28.c @@ -0,0 +1,24 @@ +/* { dg-do compile { target i?86-*-* x86_64-*-* } } */ +/* { dg-require-effective-target ilp32 } */ +/* { dg-options "-O2 -fprefetch-loop-arrays -march=athlon -fdump-tree-optimized -fdump-tree-aprefetch --param max-unrolled-insns=1000" } */ + +char x[100000]; + +void foo(int n) +{ + int i; + + for (i = 0; i < n; i++) + x[i] = (char) i; +} + +/* There should be 64 MEMs in the unrolled loop and one more in the copy of the loop + for the rest of the iterations. */ + +/* { dg-final { scan-tree-dump-times "MEM" 65 "optimized" } } */ + +/* There should be no i_a = i_b assignments. */ +/* { dg-final { scan-tree-dump-times "i_.*= i_\[0-9\]*;" 0 "aprefetch" } } */ + +/* { dg-final { cleanup-tree-dump "optimized" } } */ +/* { dg-final { cleanup-tree-dump "aprefetch" } } */ |