From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 717413858C83; Wed, 15 Mar 2023 23:54:42 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 717413858C83 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1678924482; bh=vw+uiwL+jJfnIFFEx0+u2tSjxZE1ilwp9y+23TXcxF8=; h=From:To:Subject:Date:In-Reply-To:References:From; b=SsnjeGsUhDfbqux3Pf6mskYbCUxgYUr+M1B3ipZgQf2q46rkDNdTQlWzrthSXLI1N KW17AzLCRUYTjLdqtywQ8LbgBvtiWEidCn9Vr1P37c4ak3+vvqaFwGb7XX7UkndzH1 Hj5KOcLKo0BrFw50Uwx8onOcVPpaic6T4KW7eDHs= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/64081] [10/11/12/13 Regression] r217828 prevents RTL loop unroll Date: Wed, 15 Mar 2023 23:54:40 +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: 5.0 X-Bugzilla-Keywords: deferred, missed-optimization, needs-bisection, patch X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 11.4 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: keywords 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=3D64081 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |needs-bisection --- Comment #68 from Andrew Pinski --- Note for the original testcase in comment #0, GCC 9 starts to unroll the co= de again. There are gimple level changes that changed the IR again. Would be interesting to find out what patch changed that.=