| /* { dg-do compile } */ |
| /* { dg-options "-O3 -fdump-tree-slp2-details -msse2" } */ |
| |
| int x[4]; |
| void foo(int i) |
| { |
| int j = (i+1) & 31; |
| x[0] = (x[0] << j) + j; |
| x[1] = (x[1] << j) + j; |
| x[2] = (x[2] << j) + j; |
| x[3] = (x[3] << j) + j; |
| } |
| |
| /* We should not use vector operations for i + 1 and (i + 1) & 31 but |
| instead use { j, j, j, j }. */ |
| /* { dg-final { scan-tree-dump-times "Using a splat of the uniform operand" 2 "slp2" } } */ |
| /* { dg-final { scan-tree-dump-not " = \{i_" "slp2" } } */ |
| /* { dg-final { scan-tree-dump-times " = \{j_" 1 "slp2" } } */ |
