| /* This tests strength reduction and choice of induction variables. The targets |
| for this testcase are quite limited, as with different set of available |
| addressing modes, the results may be quite different. |
| |
| The testcase comes from PR 29256 (and originally, the stream benchmark). */ |
| |
| /* { dg-do compile { target { i?86-*-* || { x86_64-*-* || { powerpc_hard_double && { ! powerpc_fprs } } } } } } */ |
| /* { dg-require-effective-target nonpic } */ |
| /* { dg-options "-O3 -fno-tree-loop-distribute-patterns -fno-prefetch-loop-arrays -fdump-tree-optimized -fno-common" } */ |
| |
| # define N 2000000 |
| double a[N],c[N]; |
| void tuned_STREAM_Copy() |
| { |
| int j; |
| for (j=0; j<N; j++) |
| c[j] = a[j]; |
| } |
| |
| /* Check that the memory references are based on &a and &c, with appropriate |
| offsets. Ideally, we would want each of them to appear once in the output. |
| However, due to a bug in jump threading, we end up peeling one iteration from |
| the loop, which creates an additional occurrence. */ |
| |
| /* { dg-final { scan-tree-dump-times "MEM\[^;\]*&a" 1 "optimized" } } */ |
| /* { dg-final { scan-tree-dump-times "MEM\[^;\]*&c" 1 "optimized" } } */ |
| |
