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[Bug tree-optimization/17549] [4.0 Regression] 10% increase in codesize with C code compared to GCC 3.3
- 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: 10 Feb 2005 22:57:42 -0000
- Subject: [Bug tree-optimization/17549] [4.0 Regression] 10% increase in codesize with C code compared to GCC 3.3
- References: <20040918113641.17549.miguel55angel@hotmail.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-02-10 22:57 -------
Subject: Bug 17549
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: steven@gcc.gnu.org 2005-02-10 22:57:31
Modified files:
gcc : ChangeLog tree-outof-ssa.c
Log message:
PR tree-optimization/17549
* tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
TER to replace a DEF with its expression if the DEF and the
rhs of the expression we replace into have the same root
variable.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7438&r2=2.7439
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-outof-ssa.c.diff?cvsroot=gcc&r1=2.43&r2=2.44
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17549