| /* { dg-do compile } */ |
| /* { dg-additional-options "-fno-tree-loop-vectorize" } */ |
| |
| int a[4], b[4], c[400], d[400]; |
| |
| void f1() |
| { |
| int a0 = a[0] - b[0]; |
| int a1 = a[1] + b[1]; |
| int a2 = a[2] - b[2]; |
| int a3 = a[3] + b[3]; |
| int b0 = a0; |
| int b1 = a1; |
| int b2 = a2; |
| int b3 = a3; |
| for (int i = 0; i < 100; ++i) |
| { |
| a0 += c[i * 4 + 1]; |
| a1 += c[i * 4 + 0]; |
| a2 += c[i * 4 + 3]; |
| a3 += c[i * 4 + 2]; |
| b0 ^= d[i * 4 + 3]; |
| b1 ^= d[i * 4 + 2]; |
| b2 ^= d[i * 4 + 1]; |
| b3 ^= d[i * 4 + 0]; |
| } |
| a[0] = a0 ^ b0; |
| a[1] = a1 ^ b1; |
| a[2] = a2 ^ b2; |
| a[3] = a3 ^ b3; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "add new stmt: \[^\\n\\r\]* = VEC_PERM_EXPR" 4 "slp1" { target { vect_int && vect_perm } } } } */ |
| /* { dg-final { scan-tree-dump "duplicating permutation node" "slp1" { target { vect_int && vect_perm } } } } */ |
