From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id C359B384D0C0; Fri, 18 Nov 2022 14:11:50 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C359B384D0C0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1668780710; bh=aMnLSiBCH3XlwIZ8brS4oH3fsQd2t3MqoKxQH8Z3wiw=; h=From:To:Subject:Date:In-Reply-To:References:From; b=ugJ0V6ygAbBpEpXuQJZaKRVNALAuKxBiZYsdbDl6mk701YEMp4jytXejA9fIFZoNF Wz+b+93N/jn9EqJFgv7H6soKOqqW8oncFp4mscnYm9+3gAu7iqu7waJtVHT2w4Uvy2 aR8m8kiWLwi7KZ+FnbKvE7I6LpQJXhnawJxSUunU= From: "segher at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/107692] [13 regression] r13-3950-g071e428c24ee8c breaks many test cases Date: Fri, 18 Nov 2022 14:11:44 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 13.0 X-Bugzilla-Keywords: testsuite-fail X-Bugzilla-Severity: normal X-Bugzilla-Who: segher at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 13.0 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=3D107692 --- Comment #8 from Segher Boessenkool --- (In reply to Jiu Fu Guo from comment #5) > > -munroll-only-small-loops does not turn on or off -funroll-loops, and it > > should not, so that it does what it says, if nothing else. >=20 > Yes, and -funroll-loops would win over -munroll-only-small-loops -funroll-loops is the only thing that enables loop unrolling. -munroll-only-small-loops, like the name says, says to only unroll small lo= ops, and no others. It is not something at the same level as -funroll-loops, th= at would be insanity: other code likes to see if the user requested loops to be unrolled as well!=