From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id C975A3887F7B; Thu, 15 Dec 2022 18:17:04 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C975A3887F7B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1671128224; bh=nEKgrswuX7QbTWqPUJiJD5B5kdqXrbBA1OH0wqUW2RU=; h=From:To:Subject:Date:In-Reply-To:References:From; b=I5vuoFC1fruXY6VjXf+QpeHIDe52tcRezluawnCjdRrllQUY/IexPfu133SFKkNGn elpYsW1y2HokWaIhL6dDRdlGgStYy4h8T3XcEOthgyN52iq9Uvn80telxCLFNx5OcK zjE+5k5UDTxWklCt4fukXVIGorNt6TP8HccJu3UU= From: "amonakov at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/108117] Wrong instruction scheduling on value coming from abnormal SSA Date: Thu, 15 Dec 2022 18:17:04 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: unknown X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: amonakov at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: DUPLICATE 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=3D108117 --- Comment #12 from Alexander Monakov --- Shouldn't there be another bug for the sched1 issue specifically? In absenc= e of abnormal control flow, extending lifetimes of pseudos across calls is still likely to be a pessimization.=