From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id 8CCD43858C39; Tue,  3 Sep 2024 06:26:37 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 8CCD43858C39
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1725344797;
	bh=wVIARWb95kjojPbUUYdf+cnlYU9gfI8ydgGjnxfMRrY=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=CbvnO8fMaQLZHGYm9RiydyfZ0W3PhrXINEEdgnyUA6TqfEdf9zP7Fayap9M72esA/
	 VohCOvKk/TwL19ZUcZ1mTxTnuFLSjX8Q6zOCaAO2+ifsAH13HFwF0ixdW68D0rOYKj
	 iFsaXFovsdnRWmijsng6TqO9c3MBgq3phIfwyOqQ=
From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/116575] [15 Regression] blender in SPEC2017
 ICE in vect_analyze_slp
Date: Tue, 03 Sep 2024 06:26:37 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 15.0
X-Bugzilla-Keywords: ice-on-valid-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: pinskia at gcc dot gnu.org
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 15.0
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: everconfirmed bug_status cf_reconfirmed_on
Message-ID: <bug-116575-4-qKRIwk8x8y@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-116575-4@http.gcc.gnu.org/bugzilla/>
References: <bug-116575-4@http.gcc.gnu.org/bugzilla/>
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: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D116575

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2024-09-03

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Tamar Christina from comment #1)
> compiled with -mcpu=3Dneoverse-v1 -Ofast reproduces the ICE

here is a better testcase with no undefinedness:
```
int a;
float *b, *c;
void d(char * __restrict e) {
  for (; a; a++, b +=3D 4, c +=3D 4)
    if (*e++) {
      float *f =3D c;
      f[0] =3D b[0];
      f[1] =3D b[1];
      f[2] =3D b[2];
      f[3] =3D b[3];
    }
}
```

Just `-O3  -march=3Darmv9-a` is needed.=