| commit | af21714c7bac20c348d544a285a2dc95fe271a5d | |
| author | Martin Jambor <mjambor@suse.cz> | |
| Sun, 29 Mar 2015 15:38:52 +0000 (29 17:38 +0200) | ||
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | |
| Sun, 29 Mar 2015 15:38:52 +0000 (29 15:38 +0000) | ||
| tree | e453ad69e49ea0bba2b3abce3f4a11b1b1315dd6 | treesnapshot (tar.gz zip) |
| parent | a1bff765cbff0bdab0c25bcf25b737c511c7f2d7 | commitdiff |
re PR ipa/65478 (crafty performance regression)
PR ipa/65478
* params.def (PARAM_IPA_CP_RECURSION_PENALTY) : New.
(PARAM_IPA_CP_SINGLE_CALL_PENALTY): Likewise.
* ipa-prop.h (ipa_node_params): New flags node_within_scc and
node_calling_single_call.
* ipa-cp.c (count_callers): New function.
(set_single_call_flag): Likewise.
(initialize_node_lattices): Count callers and set single_flag_call if
necessary.
(incorporate_penalties): New function.
(good_cloning_opportunity_p): Use it, dump new flags.
(propagate_constants_topo): Set node_within_scc flag if appropriate.
* doc/invoke.texi (ipa-cp-recursion-penalty,
ipa-cp-single-call-pentalty): Document.
From-SVN: r221763
PR ipa/65478
* params.def (PARAM_IPA_CP_RECURSION_PENALTY) : New.
(PARAM_IPA_CP_SINGLE_CALL_PENALTY): Likewise.
* ipa-prop.h (ipa_node_params): New flags node_within_scc and
node_calling_single_call.
* ipa-cp.c (count_callers): New function.
(set_single_call_flag): Likewise.
(initialize_node_lattices): Count callers and set single_flag_call if
necessary.
(incorporate_penalties): New function.
(good_cloning_opportunity_p): Use it, dump new flags.
(propagate_constants_topo): Set node_within_scc flag if appropriate.
* doc/invoke.texi (ipa-cp-recursion-penalty,
ipa-cp-single-call-pentalty): Document.
From-SVN: r221763
| gcc/ChangeLog | diffblobblamehistory | |
| gcc/doc/invoke.texi | diffblobblamehistory | |
| gcc/ipa-cp.c | diffblobblamehistory | |
| gcc/ipa-prop.h | diffblobblamehistory | |
| gcc/params.def | diffblobblamehistory |