| /* { dg-do compile } */ |
| /* { dg-additional-options "-fgimple -fdump-tree-optimized" } */ |
| /* { dg-require-effective-target vect_double } */ |
| |
| double a[2]; |
| |
| void __GIMPLE (ssa,startwith ("fix_loops")) |
| foo (double x) |
| { |
| double tem2; |
| double tem1; |
| double _1; |
| double _2; |
| double _3; |
| double _4; |
| |
| __BB(2): |
| _1 = a[0]; |
| _2 = x_6(D) * 3.0e+0; |
| tem1_7 = _1 + _2; |
| _3 = x_6(D) + 1.0e+0; |
| _4 = a[1]; |
| tem2_8 = _4 + _3; |
| a[0] = tem1_7; |
| a[1] = tem2_8; |
| return; |
| } |
| |
| void __GIMPLE (ssa,startwith ("fix_loops")) |
| bar (double x) |
| { |
| double tem2; |
| double tem1; |
| double _1; |
| double _2; |
| double _3; |
| double _4; |
| |
| __BB(2): |
| _1 = a[0]; |
| _2 = x_6(D) * 3.0e+0; |
| tem1_7 = _1 + _2; |
| _3 = x_6(D) + 1.0e+0; |
| _4 = a[1]; |
| /* Once with operands swapped. */ |
| tem2_8 = _3 + _4; |
| a[0] = tem1_7; |
| a[1] = tem2_8; |
| return; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "optimized: basic block" 2 "slp2" } } */ |
| /* We want to vectorize as { a[0], a[1] } + { x*3, x+1 } and thus |
| elide one add in each function. */ |
| /* { dg-final { scan-tree-dump-times " \\+ " 4 "optimized" } } */ |
