From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 6AD9F381C6EB; Fri, 7 Jun 2024 14:05:53 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6AD9F381C6EB DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1717769153; bh=wd4zwWlzZ5CdOkDnbDd9F7yyGdnrh3XjonOARiw5Bqs=; h=From:To:Subject:Date:In-Reply-To:References:From; b=wZgx3bIvJLVkjtmL8eCbiYXB8nuMC8CxK1UmxOQTTG6wrOi7wdVixAVcGE9UIEC/B /wIW/YbIsdsL8MLIhw+kAoy0+cu1RPYu4hc4c3CNN1gKZJ5CwDKxy7+Nh9Xpzbk6yr kyESh3Se4GSjF2pvaZuZmfkIIko1DmuWfxmfuAi0= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/109896] Missed optimisation: overflow detection in multiplication instructions for operator new Date: Fri, 07 Jun 2024 14:05:51 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Version: 13.1.1 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109896 --- Comment #11 from Andrew Pinski --- (In reply to Andrew Pinski from comment #10) > (In reply to Andrew Pinski from comment #9) > > Created attachment 58374 [details] > > Patch which I am testing >=20 > There were some regressions. I have to go back and figure out how to fix > them. I am will come back to this but maybe in a few months.=