[gcc(refs/users/hubicka/heads/honza-gcc-benchmark-branch-v2)] Disable stict aliasing.

[gcc(refs/users/hubicka/heads/honza-gcc-benchmark-branch-v2)] Disable stict aliasing.

[Jan Hubicka]

https://gcc.gnu.org/g:a80704e7ff6bd9fd24530e11a56e786637be2ada

commit a80704e7ff6bd9fd24530e11a56e786637be2ada
Author: Jan Hubicka <jh@suse.cz>
Date:   Tue May 18 10:45:25 2021 +0200

    Disable stict aliasing.

Diff:
---
 gcc/ChangeLog.honza | 1 -
 gcc/opts.c          | 9 ++++-----
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/gcc/ChangeLog.honza b/gcc/ChangeLog.honza
index ef80ceb87cf..b39c37fa6d6 100644
--- a/gcc/ChangeLog.honza
+++ b/gcc/ChangeLog.honza
@@ -1,2 +1 @@
  - mainline
- - mainline + very cheap vectorization O2 and O3
diff --git a/gcc/opts.c b/gcc/opts.c
index 5afa4e965a6..cdab42de820 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -501,18 +501,15 @@ static const struct default_options default_options_table[] =
 #ifdef INSN_SCHEDULING
     { OPT_LEVELS_2_PLUS, OPT_fschedule_insns2, NULL, 1 },
 #endif
-    { OPT_LEVELS_2_PLUS, OPT_fstrict_aliasing, NULL, 1 },
     { OPT_LEVELS_2_PLUS, OPT_fstore_merging, NULL, 1 },
     { OPT_LEVELS_2_PLUS, OPT_fthread_jumps, NULL, 1 },
     { OPT_LEVELS_2_PLUS, OPT_ftree_pre, NULL, 1 },
     { 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_VERY_CHEAP },
+    { OPT_LEVELS_2_PLUS, OPT_fvect_cost_model_, NULL, VECT_COST_MODEL_CHEAP },
     { 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_loop_vectorize, 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 },
@@ -539,9 +536,11 @@ static const struct default_options default_options_table[] =
     { OPT_LEVELS_3_PLUS, OPT_fsplit_loops, NULL, 1 },
     { 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_loop_vectorize, NULL, 1 },
     { OPT_LEVELS_3_PLUS, OPT_ftree_partial_pre, 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_VERY_CHEAP },
+    { OPT_LEVELS_3_PLUS, OPT_fvect_cost_model_, NULL, VECT_COST_MODEL_DYNAMIC },
     { OPT_LEVELS_3_PLUS, OPT_fversion_loops_for_strides, NULL, 1 },
 
     /* -O3 parameters.  */