diff options
Diffstat (limited to 'gcc-4.8.1/gcc/testsuite/gcc.dg/tree-ssa/prefetch-5.c')
-rw-r--r-- | gcc-4.8.1/gcc/testsuite/gcc.dg/tree-ssa/prefetch-5.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/gcc-4.8.1/gcc/testsuite/gcc.dg/tree-ssa/prefetch-5.c b/gcc-4.8.1/gcc/testsuite/gcc.dg/tree-ssa/prefetch-5.c deleted file mode 100644 index 1ccf50693..000000000 --- a/gcc-4.8.1/gcc/testsuite/gcc.dg/tree-ssa/prefetch-5.c +++ /dev/null @@ -1,59 +0,0 @@ -/* { dg-do compile { target { { i?86-*-* x86_64-*-* } && ia32 } } } */ -/* { dg-options "-O2 --param min-insn-to-prefetch-ratio=5 -fprefetch-loop-arrays -march=athlon -fdump-tree-aprefetch-details" } */ - -/* These are common idioms for writing variable-length arrays at the end - of structures. We should not deduce anything about the number of iterations - of the loops from them. */ - -struct tail0 -{ - int xxx; - int yyy[0]; -}; - -int loop0 (int n, struct tail0 *x) -{ - int i, s = 0; - - for (i = 0; i < n; i++) - s += x->yyy[i]; - - return s; -} - -struct tail1 -{ - int xxx; - int yyy[1]; -}; -int loop1 (int n, struct tail1 *x) -{ - int i, s = 0; - - for (i = 0; i < n; i++) - s += x->yyy[i]; - - return s; -} - -/* It is unlikely that this should be a tail array. We may deduce that most - likely, the loop iterates about 5 times, and the array is not worth prefetching. */ - -struct tail5 -{ - int xxx; - int yyy[5]; -}; -int loop5 (int n, struct tail5 *x) -{ - int i, s = 0; - - for (i = 0; i < n; i++) - s += x->yyy[i]; - - return s; -} - -/* { dg-final { scan-tree-dump-times "Issued prefetch" 2 "aprefetch" } } */ -/* { dg-final { scan-tree-dump-times "Not prefetching" 1 "aprefetch" } } */ -/* { dg-final { cleanup-tree-dump "aprefetch" } } */ |