[Bug rtl-optimization/19078] [4.0 Regression] Poor quality code after loop unrolling.

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-12-25 
22:54 -------
Subject: Bug 19078

CVSROOT:        /cvs/gcc
Module name:    gcc
Changes by:     [EMAIL PROTECTED]       2004-12-25 22:53:55

Modified files:
        gcc            : ChangeLog tree-ssa-loop-ivopts.c 

Log message:
        PR rtl-optimization/19078
        * tree-ssa-loop-ivopts.c (determine_use_iv_cost_generic,
        determine_use_iv_cost_outer): Fix computing of cost for the original
        bivs.
        (dump_use): Handle case related_cands == NULL.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.6955&r2=2.6956
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-loop-ivopts.c.diff?cvsroot=gcc&r1=2.38&r2=2.39



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19078