diff options
| author | Richard Biener <rguenther@suse.de> | 2021-02-22 09:30:49 +0100 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2021-02-22 09:31:29 +0100 |
| commit | 44841e1788c7c64f7d422768a80036a2a90c677f (patch) | |
| tree | f796e529bf8752dd2a29868016d6095df74a832b | |
| parent | 8a8eee6bdb906788992622715bf97aff984ac989 (diff) | |
| download | gcc-44841e1788c7c64f7d422768a80036a2a90c677f.zip gcc-44841e1788c7c64f7d422768a80036a2a90c677f.tar.gz gcc-44841e1788c7c64f7d422768a80036a2a90c677f.tar.bz2 | |
dump SLP subgraph before costing
This adds another dump of the SLP subgraph we're throwing at costing.
2021-02-22 Richard Biener <rguenther@suse.de>
* tree-vect-slp.c (vect_bb_vectorization_profitable_p): Dump
costed subgraph.
| -rw-r--r-- | gcc/tree-vect-slp.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c index ea8a97b..c521c34 100644 --- a/gcc/tree-vect-slp.c +++ b/gcc/tree-vect-slp.c @@ -4366,6 +4366,15 @@ vect_bb_vectorization_profitable_p (bb_vec_info bb_vinfo, unsigned int vec_inside_cost = 0, vec_outside_cost = 0, scalar_cost = 0; unsigned int vec_prologue_cost = 0, vec_epilogue_cost = 0; + if (dump_enabled_p ()) + { + dump_printf_loc (MSG_NOTE, vect_location, "Costing subgraph: \n"); + hash_set<slp_tree> visited; + FOR_EACH_VEC_ELT (slp_instances, i, instance) + vect_print_slp_graph (MSG_NOTE, vect_location, + SLP_INSTANCE_TREE (instance), visited); + } + /* Calculate scalar cost and sum the cost for the vector stmts previously collected. */ stmt_vector_for_cost scalar_costs = vNULL; |