From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D847A3858401; Mon, 20 Feb 2023 20:33:10 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D847A3858401 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1676925190; bh=tTN6gxg8FVbDaZNhuXoGPMnESiAyIJQgqn9pf1/pBNE=; h=From:To:Subject:Date:In-Reply-To:References:From; b=KZfXhqfkSAOiG61LhdJGOov3SWMIcs/4yEv0sZOT7bQIdzL/92AhhXrUbnXIijvNP IJ+y2LRHFKNsxMWaxb/eXccbIXDypt2egjU0b90FzYM/SvrhYZxwHTv7Cjj82iN90I OkTfYpwItBSWhMOkpP13DWf45loMWVeE4nBaPAIE= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/108863] Unrolling could use range information Date: Mon, 20 Feb 2023 20:33:10 +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: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED 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: component 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=3D108863 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- Component|tree-optimization |rtl-optimization --- Comment #1 from Andrew Pinski --- (In reply to Thomas Koenig from comment #0) > The range information about m does not appear to be propagated to > the unroll passes. Most likely because range information is not propagated at all to rtl level. In this case even just non-zero bits might be enough...=