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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/103680] Jump threading and switch corrupts profile
Date: Wed, 30 Nov 2022 13:04:11 +0000 [thread overview]
Message-ID: <bug-103680-4-uYFW1wlAow@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-103680-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103680
--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Martin Liska <marxin@gcc.gnu.org>:
https://gcc.gnu.org/g:4fa25a7eb322f0a003c1eb15680c71ece345e01e
commit r13-4409-g4fa25a7eb322f0a003c1eb15680c71ece345e01e
Author: Martin Liska <mliska@suse.cz>
Date: Mon Jan 24 15:45:38 2022 +0100
Improve profile handling in switch lowering.
PR tree-optimization/101301
PR tree-optimization/103680
gcc/ChangeLog:
* tree-switch-conversion.cc (bit_test_cluster::emit):
Handle correctly remaining probability.
(switch_decision_tree::try_switch_expansion): Fix BB's count
where a cluster expansion happens.
(switch_decision_tree::emit_cmp_and_jump_insns): Fill up also
BB count.
(switch_decision_tree::do_jump_if_equal): Likewise.
(switch_decision_tree::emit_case_nodes): Handle special case
for BT expansion which can also fallback to a default BB.
* tree-switch-conversion.h (cluster::cluster): Add
m_default_prob probability.
next prev parent reply other threads:[~2022-11-30 13:04 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-13 10:51 [Bug tree-optimization/103680] New: " hubicka at gcc dot gnu.org
2021-12-13 10:55 ` [Bug tree-optimization/103680] " hubicka at gcc dot gnu.org
2021-12-13 12:26 ` marxin at gcc dot gnu.org
2021-12-13 13:56 ` pinskia at gcc dot gnu.org
2022-01-04 9:54 ` rguenth at gcc dot gnu.org
2022-04-09 21:27 ` hubicka at gcc dot gnu.org
2022-11-30 13:04 ` cvs-commit at gcc dot gnu.org [this message]
2023-06-28 9:16 ` hubicka at gcc dot gnu.org
2023-06-28 16:47 ` pinskia at gcc dot gnu.org
2023-06-28 21:30 ` hubicka at gcc dot gnu.org
2023-06-30 16:18 ` hubicka at gcc dot gnu.org
2023-06-30 16:22 ` hubicka at gcc dot gnu.org
2023-07-01 7:11 ` cvs-commit at gcc dot gnu.org
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