Richard Biener writes:
> PR tree-optimization/37021
> * tree-vectorizer.h (struct _slp_tree): Add two_operators flag.
> (SLP_TREE_TWO_OPERATORS): New define.
> * tree-vect-slp.c (vect_create_new_slp_node): Initialize
> SLP_TREE_TWO_OPERATORS.
> (vect_build_slp_
On Tue, May 12, 2015 at 4:48 AM, Richard Biener wrote:
>
> The following makes it possible to vectorize complex multiplication
> without unrolling by allowing mixed operations in a SLP node
> (plus/minus for now). We vectorize that by computing both plus
> and minus and then merge the result.
>
>
