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From: "cvs-commit at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/20216] [4.0/4.1 Regression] Simple loop runs out of stack at -O1 Date: Tue, 01 Mar 2005 02:44:00 -0000 [thread overview] Message-ID: <20050301024410.28856.qmail@sourceware.org> (raw) In-Reply-To: <20050225212929.20216.fjahanian@apple.com> ------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-03-01 02:44 ------- Subject: Bug 20216 CVSROOT: /cvs/gcc Module name: gcc Changes by: sayle@gcc.gnu.org 2005-03-01 02:43:50 Modified files: gcc : ChangeLog tree-chrec.c Log message: PR tree-optimization/20216 * tree-chrec.c (tree_fold_factorial): Delete. (tree_fold_binomial): Change argument list to take a return type and change the type of K to unsigned int. Rewrite to avoid explicit evaluation of factorials, and (recursively) calling fold to perform compile-time arithmetic. Return NULL on (internal) overflow. (chrec_evaluate): Change type of K to an unsigned int. Avoid calling tree_fold_binomial unnecessarily. Return chrec_dont_know if any intermediate calculation overflows. (chrec_apply): Update call to chrec_evaluate. Patches: http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7617&r2=2.7618 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-chrec.c.diff?cvsroot=gcc&r1=2.12&r2=2.13 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20216
next prev parent reply other threads:[~2005-03-01 2:44 UTC|newest] Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top 2005-02-26 14:26 [Bug tree-optimization/20216] New: " fjahanian at apple dot com 2005-02-26 15:28 ` [Bug tree-optimization/20216] [4.0/4.1 Regression] " pinskia at gcc dot gnu dot org 2005-02-26 16:13 ` fjahanian at apple dot com 2005-02-26 16:25 ` pinskia at gcc dot gnu dot org 2005-02-27 4:32 ` hp at gcc dot gnu dot org 2005-02-27 4:37 ` hp at gcc dot gnu dot org 2005-02-27 8:45 ` dberlin at gcc dot gnu dot org 2005-02-27 13:06 ` fjahanian at apple dot com 2005-02-27 13:21 ` dberlin at dberlin dot org 2005-02-27 21:03 ` pinskia at gcc dot gnu dot org 2005-03-01 2:44 ` cvs-commit at gcc dot gnu dot org [this message] 2005-03-01 15:13 ` [Bug tree-optimization/20216] [4.0 " pinskia at gcc dot gnu dot org 2005-03-01 16:23 ` cvs-commit at gcc dot gnu dot org 2005-03-01 16:28 ` cvs-commit at gcc dot gnu dot org 2005-03-01 17:06 ` pinskia at gcc dot gnu dot org
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