| /* { dg-do compile } */ |
| /* { dg-options "-O2 -ftree-loop-distribution -ftree-loop-distribute-patterns -fdump-tree-ldist-all" } */ |
| |
| void foo (int * __restrict__ ia, |
| int * __restrict__ ib, |
| int * __restrict__ oxa, |
| int * __restrict__ oxb, |
| int * __restrict__ oya, |
| int * __restrict__ oyb) |
| { |
| int i; |
| long int mya[52]; |
| long int myb[52]; |
| |
| for (i=0; i < 52; i++) |
| { |
| mya[i] = ia[i] * oxa[i] + ib[i] * oxb[i]; |
| myb[i] = -ia[i] * oxb[i] + ib[i] * oxa[i]; |
| oya[i] = 0; |
| oyb[i] = myb[i] >> 10; |
| } |
| |
| /* This loop should be distributed, and the result should look like |
| this: |
| | memset (oya, 0, 208); |
| | for (i=0; i < 52; i++) |
| | oyb[i] = -ia[i] * oxb[i] + ib[i] * oxa[i] >> 10; |
| */ |
| } |
| |
| /* { dg-final { scan-tree-dump-times "distributed: split to 1 loops and 1 library calls" 1 "ldist" } } */ |
| /* { dg-final { scan-tree-dump-times "generated memset zero" 1 "ldist" } } */ |
