[Bug rtl-optimization/13299] Unsafe treatment of extended givs

Thu, 06 Jan 2005 11:11:23 -0800 

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-01-06 
19:11 -------
Subject: Bug 13299

CVSROOT:        /cvs/gcc
Module name:    gcc
Changes by:     [EMAIL PROTECTED]       2005-01-06 19:10:57

Modified files:
        gcc            : ChangeLog loop.c 
Added files:
        gcc/testsuite/gcc.c-torture/execute: 20030916-1.c 

Log message:
        PR rtl-opt/13299
        * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
        biv_fits_mode_p, extension_within_bounds_p): New functions.
        (check_ext_dependent_givs): Use them.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7048&r2=2.7049
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/loop.c.diff?cvsroot=gcc&r1=1.520&r2=1.521
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/execute/20030916-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13299

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