public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/46909] [4.6 Regression] Logical OR expressions are miscompiled Date: Tue, 14 Dec 2010 14:10:00 -0000 [thread overview] Message-ID: <bug-46909-4-C48E6m7Nj4@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-46909-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46909 --- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> 2010-12-14 14:10:09 UTC --- Author: jakub Date: Tue Dec 14 14:09:59 2010 New Revision: 167800 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167800 Log: PR tree-optimization/46909 * gimple-fold.c (and_var_with_comparison_1): Save partial result even in the is_and case, if both partial results are the same, return it. (or_var_with_comparison_1): Use is_or predicate instead of innercode == TRUTH_OR_EXPR test. Save partial result even in the is_or case, if both partial results are the same, return it. In the !is_or case when both partial results are the same, return the partial result instead of boolean_true_node. * gcc.c-torture/execute/pr46909-1.c: New test. * gcc.c-torture/execute/pr46909-2.c: New test. * gcc.dg/pr46909.c: New test. Added: trunk/gcc/testsuite/gcc.c-torture/execute/pr46909-1.c trunk/gcc/testsuite/gcc.c-torture/execute/pr46909-2.c trunk/gcc/testsuite/gcc.dg/pr46909.c Modified: trunk/gcc/ChangeLog trunk/gcc/gimple-fold.c trunk/gcc/testsuite/ChangeLog
next prev parent reply other threads:[~2010-12-14 14:10 UTC|newest] Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top 2010-12-12 16:28 [Bug middle-end/46909] New: [4.6 Regression] elf32-i386.c and elf64-x86-64.c in binutils " hjl.tools at gmail dot com 2010-12-12 17:44 ` [Bug middle-end/46909] " hjl.tools at gmail dot com 2010-12-12 18:12 ` hjl.tools at gmail dot com 2010-12-12 19:22 ` hjl.tools at gmail dot com 2010-12-12 19:27 ` hjl.tools at gmail dot com 2010-12-12 19:30 ` jakub at gcc dot gnu.org 2010-12-12 21:29 ` [Bug middle-end/46909] [4.6 Regression] Logical OR expressions " hjl.tools at gmail dot com 2010-12-13 13:02 ` jakub at gcc dot gnu.org 2010-12-13 14:22 ` [Bug tree-optimization/46909] " jakub at gcc dot gnu.org 2010-12-14 14:10 ` jakub at gcc dot gnu.org [this message] 2010-12-14 14:32 ` jakub at gcc dot gnu.org
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=bug-46909-4-C48E6m7Nj4@http.gcc.gnu.org/bugzilla/ \ --to=gcc-bugzilla@gcc.gnu.org \ --cc=gcc-bugs@gcc.gnu.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).