From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 6CF8A3953C08; Mon, 15 Feb 2021 14:28:24 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6CF8A3953C08 From: "acoplan at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/98791] [11 Regression] ICE in paradoxical_subreg_p (in ira) with SVE Date: Mon, 15 Feb 2021 14:28:24 +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: 11.0 X-Bugzilla-Keywords: ice-on-valid-code, ra X-Bugzilla-Severity: normal X-Bugzilla-Who: acoplan at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 11.0 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 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Feb 2021 14:28:24 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98791 --- Comment #3 from Alex Coplan --- And here is a testcase (using SVE intrinsics) that ICEs without the param: #include extern char a[11]; extern long b[]; void f() { for (int d; d < 10; d++) { a[d] =3D svaddv(svptrue_b8(), svdup_u8(0)); b[d] =3D 0; } } i.e. with just -O -ftree-vectorize -march=3Darmv8.2-a+sve.=