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[Bug rtl-optimization/15633] Failure to propagate FDO counters by vpt results in performance regression
- From: "cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 23 Jun 2004 16:08:21 -0000
- Subject: [Bug rtl-optimization/15633] Failure to propagate FDO counters by vpt results in performance regression
- References: <20040524153740.15633.steinmtz@us.ibm.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2004-06-23 16:08 -------
Subject: Bug 15633
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: dje@gcc.gnu.org 2004-06-23 16:07:59
Modified files:
gcc : ChangeLog value-prof.c
Log message:
2004-06-23 Pat Haugen <pthaugen@us.ibm.com>
PR optimization/15633
* value-prof.c (divmod_fixed_value_transform): Compute probability
of taking optimal path and pass along to gen_ routine.
(mod_pow2_value_transform): Same.
(mod_subtract_transform): Same.
(gen_divmod_fixed_value): Add new probability parameter.
Add probability to newly created jump.
(gen_mod_pow2): Same.
(gen_mod_subtract): Same.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.4095&r2=2.4096
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/value-prof.c.diff?cvsroot=gcc&r1=1.11&r2=1.12
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15633