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| author | Richard Biener <rguenther@suse.de> | 2021-08-24 12:25:25 +0200 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2021-08-24 14:23:00 +0200 |
| commit | 9216ee6d1195d48388f825cf1b072e570129cbbe (patch) | |
| tree | 742d1a0d6e52bd6723e3d220f48e594a49692f22 /gcc/tree-vectorizer.h | |
| parent | 809330ab8450261e05919b472783bf15e4b000f7 (diff) | |
| download | gcc-9216ee6d1195d48388f825cf1b072e570129cbbe.zip gcc-9216ee6d1195d48388f825cf1b072e570129cbbe.tar.gz gcc-9216ee6d1195d48388f825cf1b072e570129cbbe.tar.bz2 | |
tree-optimization/100089 - avoid leaving scalar if-converted code around
This avoids leaving scalar if-converted code around for the case
of BB vectorizing an if-converted loop body when using the very-cheap
cost model. In this case we scan not vectorized scalar stmts in
the basic-block vectorized for COND_EXPRs and force the vectorization
to be marked as not profitable.
The patch also makes sure to always consider all BB vectorization
subgraphs together for costing purposes when vectorizing an
if-converted loop body.
2021-08-24 Richard Biener <rguenther@suse.de>
PR tree-optimization/100089
* tree-vectorizer.h (vect_slp_bb): Rename to ...
(vect_slp_if_converted_bb): ... this and get the original
loop as new argument.
* tree-vectorizer.c (try_vectorize_loop_1): Revert previous fix,
pass original loop to vect_slp_if_converted_bb.
* tree-vect-slp.c (vect_bb_vectorization_profitable_p):
If orig_loop was passed scan the not vectorized stmts
for COND_EXPRs and force not profitable if found.
(vect_slp_region): Pass down all SLP instances to costing
if orig_loop was specified.
(vect_slp_bbs): Pass through orig_loop.
(vect_slp_bb): Rename to ...
(vect_slp_if_converted_bb): ... this and get the original
loop as new argument.
(vect_slp_function): Adjust.
Diffstat (limited to 'gcc/tree-vectorizer.h')
| -rw-r--r-- | gcc/tree-vectorizer.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/tree-vectorizer.h b/gcc/tree-vectorizer.h index 9c2c29d..72e018e 100644 --- a/gcc/tree-vectorizer.h +++ b/gcc/tree-vectorizer.h @@ -2087,7 +2087,7 @@ extern void vect_gather_slp_loads (vec_info *); extern void vect_get_slp_defs (slp_tree, vec<tree> *); extern void vect_get_slp_defs (vec_info *, slp_tree, vec<vec<tree> > *, unsigned n = -1U); -extern bool vect_slp_bb (basic_block); +extern bool vect_slp_if_converted_bb (basic_block bb, loop_p orig_loop); extern bool vect_slp_function (function *); extern stmt_vec_info vect_find_last_scalar_stmt_in_slp (slp_tree); extern stmt_vec_info vect_find_first_scalar_stmt_in_slp (slp_tree); |