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From: Jan Hubicka <hubicka@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc(refs/users/hubicka/heads/honza-gcc-benchmark-branch-v2)] Enable very cheap autovectorization at -O2 and -O3
Date: Sun, 16 May 2021 13:00:30 +0000 (GMT) [thread overview]
Message-ID: <20210516130030.2F147385803B@sourceware.org> (raw)
https://gcc.gnu.org/g:268e7b39704bffd968de4e9b0567e00468fbdaa8
commit 268e7b39704bffd968de4e9b0567e00468fbdaa8
Author: Jan Hubicka <jh@suse.cz>
Date: Sun May 16 15:00:08 2021 +0200
Enable very cheap autovectorization at -O2 and -O3
Diff:
---
gcc/ChangeLog.honza | 2 +-
gcc/opts.c | 9 +++++----
2 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/gcc/ChangeLog.honza b/gcc/ChangeLog.honza
index 122c755faee..ef80ceb87cf 100644
--- a/gcc/ChangeLog.honza
+++ b/gcc/ChangeLog.honza
@@ -1,2 +1,2 @@
- mainline
- - mainline + disabled ipa modref
+ - mainline + very cheap vectorization O2 and O3
diff --git a/gcc/opts.c b/gcc/opts.c
index a102da89d16..5afa4e965a6 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -467,6 +467,7 @@ static const struct default_options default_options_table[] =
{ OPT_LEVELS_1_PLUS_NOT_DEBUG, OPT_finline_functions_called_once, NULL, 1 },
{ OPT_LEVELS_1_PLUS_NOT_DEBUG, OPT_fmove_loop_invariants, NULL, 1 },
{ OPT_LEVELS_1_PLUS_NOT_DEBUG, OPT_fssa_phiopt, NULL, 1 },
+ { OPT_LEVELS_1_PLUS_NOT_DEBUG, OPT_fipa_modref, NULL, 1 },
{ OPT_LEVELS_1_PLUS_NOT_DEBUG, OPT_ftree_bit_ccp, NULL, 1 },
{ OPT_LEVELS_1_PLUS_NOT_DEBUG, OPT_ftree_dse, NULL, 1 },
{ OPT_LEVELS_1_PLUS_NOT_DEBUG, OPT_ftree_pta, NULL, 1 },
@@ -507,9 +508,11 @@ 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_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 },
@@ -536,11 +539,9 @@ 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_DYNAMIC },
+ { OPT_LEVELS_3_PLUS, OPT_fvect_cost_model_, NULL, VECT_COST_MODEL_VERY_CHEAP },
{ OPT_LEVELS_3_PLUS, OPT_fversion_loops_for_strides, NULL, 1 },
/* -O3 parameters. */
reply other threads:[~2021-05-16 13:00 UTC|newest]
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