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| author | Richard Biener <rguenther@suse.de> | 2020-09-11 13:51:58 +0200 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2020-09-11 13:53:34 +0200 |
| commit | 8d3767c30240c901a493d82d9d20f306b2f0152d (patch) | |
| tree | f95b7887185275f930095a0859c603e6bc3cf585 | |
| parent | 2c1d809e93e983fa9dde6d4a14c23193608fed68 (diff) | |
| download | gcc-8d3767c30240c901a493d82d9d20f306b2f0152d.zip gcc-8d3767c30240c901a493d82d9d20f306b2f0152d.tar.gz gcc-8d3767c30240c901a493d82d9d20f306b2f0152d.tar.bz2 | |
tree-optimization/97020 - account SLP cost in loop vect again
The previous re-org made the cost of SLP vector stmts in loop
vectorization ignored. The following rectifies this mistake.
2020-09-11 Richard Biener <rguenther@suse.de>
PR tree-optimization/97020
* tree-vect-slp.c (vect_slp_analyze_operations): Apply
SLP costs when doing loop vectorization.
| -rw-r--r-- | gcc/tree-vect-slp.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c index 519cd6a..1591251 100644 --- a/gcc/tree-vect-slp.c +++ b/gcc/tree-vect-slp.c @@ -3163,8 +3163,15 @@ vect_slp_analyze_operations (vec_info *vinfo) visited.add (*x); i++; - /* Remember the SLP graph entry cost for later. */ - instance->cost_vec = cost_vec; + /* For BB vectorization remember the SLP graph entry + cost for later. */ + if (is_a <bb_vec_info> (vinfo)) + instance->cost_vec = cost_vec; + else + { + add_stmt_costs (vinfo, vinfo->target_cost_data, &cost_vec); + cost_vec.release (); + } } } |