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| author | H.J. Lu <hongjiu.lu@intel.com> | 2015-02-17 21:25:56 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2015-02-17 13:25:56 -0800 |
| commit | 3c99176a7f968bdb8b7a3225265246f643551c80 (patch) | |
| tree | d04bf3e89fcf482728834b7a88ea6c6667b145fa /gcc/opts.c | |
| parent | d420206ea581d85273f6d05280e658d3fdab604e (diff) | |
| download | gcc-3c99176a7f968bdb8b7a3225265246f643551c80.zip gcc-3c99176a7f968bdb8b7a3225265246f643551c80.tar.gz gcc-3c99176a7f968bdb8b7a3225265246f643551c80.tar.bz2 | |
Add -fipa-cp-alignment
This patch adds -fipa-cp-alignment to provide a way to enable/disable
alignment discovery and propagation in IPA-CP.
gcc/
* common.opt (fipa-cp-alignment): New.
* ipa-cp.c (ipcp_store_alignment_results): Check
flag_ipa_cp_alignment.
* opts.c (default_options_table): Enable -fipa-cp-alignment for
-O2.
(enable_fdo_optimizations): Set x_flag_ipa_cp_alignment.
* doc/invoke.texi: Document -fipa-cp-alignment.
gcc/testsuite/
* gcc.dg/ipa/propalign-3.c: New test.
From-SVN: r220773
Diffstat (limited to 'gcc/opts.c')
| -rw-r--r-- | gcc/opts.c | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -493,6 +493,7 @@ static const struct default_options default_options_table[] = { OPT_LEVELS_2_PLUS, OPT_ftree_pre, NULL, 1 }, { OPT_LEVELS_2_PLUS, OPT_ftree_switch_conversion, NULL, 1 }, { OPT_LEVELS_2_PLUS, OPT_fipa_cp, NULL, 1 }, + { OPT_LEVELS_2_PLUS, OPT_fipa_cp_alignment, NULL, 1 }, { OPT_LEVELS_2_PLUS, OPT_fdevirtualize, NULL, 1 }, { OPT_LEVELS_2_PLUS, OPT_fdevirtualize_speculatively, NULL, 1 }, { OPT_LEVELS_2_PLUS, OPT_fipa_sra, NULL, 1 }, @@ -1330,6 +1331,9 @@ enable_fdo_optimizations (struct gcc_options *opts, if (!opts_set->x_flag_ipa_cp_clone && value && opts->x_flag_ipa_cp) opts->x_flag_ipa_cp_clone = value; + if (!opts_set->x_flag_ipa_cp_alignment + && value && opts->x_flag_ipa_cp) + opts->x_flag_ipa_cp_alignment = value; if (!opts_set->x_flag_predictive_commoning) opts->x_flag_predictive_commoning = value; if (!opts_set->x_flag_unswitch_loops) |