[Bug rtl-optimization/20376] The missed-optimization of general induction variables in the new rtl-level loop optimizer cause performance degradation.

Wed, 13 Jul 2005 02:39:03 -0700 

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-07-13 
09:38 -------
Subject: Bug 20376

CVSROOT:        /cvs/gcc
Module name:    gcc
Changes by:     [EMAIL PROTECTED]       2005-07-13 09:38:49

Modified files:
        gcc            : ChangeLog toplev.c 
        gcc/doc        : invoke.texi 

Log message:
        PR rtl-optimization/20376
        * toplev.c (process_options): Enable -fweb and -frename-registers when
        unrolling.
        * doc/invoke.texi: Update the information about when -fweb and
        -frename-registers are enabled.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.9426&r2=2.9427
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/toplev.c.diff?cvsroot=gcc&r1=1.969&r2=1.970
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/doc/invoke.texi.diff?cvsroot=gcc&r1=1.647&r2=1.648



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20376

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