[gcc(refs/users/hubicka/heads/honza-gcc-benchmark-branch-v2)] Enable loop vectorize with very cheap model.

[gcc(refs/users/hubicka/heads/honza-gcc-benchmark-branch-v2)] Enable loop vectorize with very cheap model.

[Jan Hubicka]

https://gcc.gnu.org/g:e8b5f4a8f5bbe85e6a62e9c9fc2c48a196c1766e

commit e8b5f4a8f5bbe85e6a62e9c9fc2c48a196c1766e
Author: Jan Hubicka <jh@suse.cz>
Date:   Sat Aug 14 13:31:00 2021 +0200

    Enable loop vectorize with very cheap model.

Diff:
---
 gcc/opts.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/gcc/opts.c b/gcc/opts.c
index cef17e55e6d..68543f5ca0d 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -626,10 +626,10 @@ static const struct default_options default_options_table[] =
     { OPT_LEVELS_2_PLUS, OPT_ftree_switch_conversion, NULL, 1 },
     { OPT_LEVELS_2_PLUS, OPT_ftree_tail_merge, NULL, 1 },
     { OPT_LEVELS_2_PLUS, OPT_ftree_vrp, NULL, 1 },
-    { OPT_LEVELS_2_PLUS, OPT_fvect_cost_model_, NULL, VECT_COST_MODEL_CHEAP },
+    { OPT_LEVELS_2_PLUS, OPT_fvect_cost_model_, NULL, VECT_COST_MODEL_VERY_CHEAP },
+    { OPT_LEVELS_2_PLUS, OPT_ftree_loop_vectorize, NULL, 1 },
     { OPT_LEVELS_2_PLUS, OPT_finline_functions, NULL, 1 },
     { OPT_LEVELS_2_PLUS, OPT_ftree_loop_distribute_patterns, NULL, 1 },
-    { OPT_LEVELS_2_PLUS, OPT_ftree_slp_vectorize, NULL, 1 },
 
     /* -O2 and above optimizations, but not -Os or -Og.  */
     { OPT_LEVELS_2_PLUS_SPEED_ONLY, OPT_falign_functions, NULL, 1 },
@@ -657,7 +657,7 @@ static const struct default_options default_options_table[] =
     { OPT_LEVELS_3_PLUS, OPT_fsplit_paths, NULL, 1 },
     { OPT_LEVELS_3_PLUS, OPT_ftree_loop_distribution, NULL, 1 },
     { OPT_LEVELS_3_PLUS, OPT_ftree_partial_pre, NULL, 1 },
-    { OPT_LEVELS_3_PLUS, OPT_ftree_loop_vectorize, NULL, 1 },
+    { OPT_LEVELS_3_PLUS, OPT_ftree_slp_vectorize, NULL, 1 },
     { OPT_LEVELS_3_PLUS, OPT_funswitch_loops, NULL, 1 },
     { OPT_LEVELS_3_PLUS, OPT_fvect_cost_model_, NULL, VECT_COST_MODEL_DYNAMIC },
     { OPT_LEVELS_3_PLUS, OPT_fversion_loops_for_strides, NULL, 1 },