This also makes sure to consistently use vect_body for BB vectorization.
Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.
* tree-vect-loop.cc (vectorizable_live_operation): Cost
the lane extract in vect_body for BB vectorization and
in vect_epilog for loop vectorization.
---
gcc/tree-vect-loop.cc | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc
index e94562ed5ed..e032f227270 100644
--- a/gcc/tree-vect-loop.cc
+++ b/gcc/tree-vect-loop.cc
@@ -10329,10 +10329,8 @@ vectorizable_live_operation (vec_info *vinfo,
stmt_vec_info stmt_info,
}
}
}
- /* ??? Enable for loop costing as well. */
- if (!loop_vinfo)
- record_stmt_cost (cost_vec, 1, vec_to_scalar, slp_node,
- 0, vect_epilogue);
+ record_stmt_cost (cost_vec, 1, vec_to_scalar, slp_node,
+ 0, loop_vinfo ? vect_epilogue : vect_body);
SLP_TREE_LIVE_LANES (slp_node).safe_push (slp_index);
return true;
}
--
2.51.0
