| /* { dg-do compile } */ |
| /* { dg-additional-options "-fno-tree-loop-vectorize" } */ |
| |
| int a[4], b[400], c[400], d[40000]; |
| |
| void f1() |
| { |
| int a0 = a[0]; |
| int a1 = a[1]; |
| int a2 = a[2]; |
| int a3 = a[3]; |
| for (int i = 0; i < 100; ++i) |
| { |
| a0 ^= c[i * 4 + 0]; |
| a1 ^= c[i * 4 + 1]; |
| a2 ^= c[i * 4 + 2]; |
| a3 ^= c[i * 4 + 3]; |
| for (int j = 0; j < 100; ++j) |
| { |
| a0 += d[i * 400 + j * 4 + 1]; |
| a1 += d[i * 400 + j * 4 + 0]; |
| a2 += d[i * 400 + j * 4 + 3]; |
| a3 += d[i * 400 + j * 4 + 2]; |
| } |
| b[i * 4 + 0] = a0; |
| b[i * 4 + 1] = a1; |
| b[i * 4 + 2] = a2; |
| b[i * 4 + 3] = a3; |
| } |
| a[0] = a0; |
| a[1] = a1; |
| a[2] = a2; |
| a[3] = a3; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "add new stmt: \[^\\n\\r\]* = VEC_PERM_EXPR" 2 "slp1" { target { vect_int && vect_perm } } } } */ |
