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| author | Jan Hubicka <jh@suse.cz> | 2013-09-01 17:14:24 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2013-09-01 15:14:24 +0000 |
| commit | bbc9396b62a65e8ecc67bb2f8df870e2b5040ac7 (patch) | |
| tree | a04f98f7e7873d1c147343271471b27491c59a96 /gcc/opts.c | |
| parent | 0cea211ebd67d10e93649074d348d12df67c4d97 (diff) | |
| download | gcc-bbc9396b62a65e8ecc67bb2f8df870e2b5040ac7.zip gcc-bbc9396b62a65e8ecc67bb2f8df870e2b5040ac7.tar.gz gcc-bbc9396b62a65e8ecc67bb2f8df870e2b5040ac7.tar.bz2 | |
common.opt (fdevirtualize-speculatively): New function.
* common.opt (fdevirtualize-speculatively): New function.
* invoke.texi (fdevirtualize-speculatively): Document.
* ipa-devirt.c: Include ipa-inline.h
(likely_target_p): New function.
(ipa_devirt): New function.
(gate_ipa_devirt): New function.
(pass_data_ipa_devirt): New static var.
(pass_ipa_devirt): Likewise.
(make_pass_ipa_devirt): New function.
* opts.c (default_options): Add OPT_fdevirtualize_speculatively.
(common_handle_option): Disable devirtualization when
value range profiling is available.
* passes.def (pass_ipa_devirt): Add.
* timever.def (TV_IPA_DEVIRT): New timevar.
* tree-pass.h (make_pass_ipa_devirt):
From-SVN: r202145
Diffstat (limited to 'gcc/opts.c')
| -rw-r--r-- | gcc/opts.c | 6 |
1 files changed, 6 insertions, 0 deletions
@@ -479,6 +479,7 @@ static const struct default_options default_options_table[] = { OPT_LEVELS_2_PLUS, OPT_ftree_switch_conversion, NULL, 1 }, { OPT_LEVELS_2_PLUS, OPT_fipa_cp, 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 }, { OPT_LEVELS_2_PLUS, OPT_falign_loops, NULL, 1 }, { OPT_LEVELS_2_PLUS, OPT_falign_jumps, NULL, 1 }, @@ -1665,6 +1666,11 @@ common_handle_option (struct gcc_options *opts, opts->x_flag_vect_cost_model = value; if (!opts_set->x_flag_tree_loop_distribute_patterns) opts->x_flag_tree_loop_distribute_patterns = value; + /* Indirect call profiling should do all useful transformations + speculative devirutalization does. */ + if (!opts_set->x_flag_devirtualize_speculatively + && opts->x_flag_value_profile_transformations) + opts->x_flag_devirtualize_speculatively = false; break; case OPT_fprofile_generate_: |