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 864083858D37; Thu, 30 Nov 2023 18:47:57 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 864083858D37
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1701370077;
	bh=erw+H85zo/qhbEUfMSgjUUN8bohEj30INXe7OJM4D+Q=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=SOBUoS1fKqP2jYuo+n91B1qpZ7iW/B95yM/6uTe+Ljn3dlNbD9UJ4pDpVqkWHnk7w
	 VWs2eTqeJ/OHvrVT5bUy+9rz73yc51aJj24H2mUEshzLcGPbFt4EGyNVqsW1NejSxb
	 mZ/+rwMCvkoV8YspcVb1USnSo0IJXtA4g4q+hwr4=
From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/112740] [14 Regression] wrong code with vector compare
 on riscv64 at -O0
Date: Thu, 30 Nov 2023 18:47:57 +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: 14.0
X-Bugzilla-Keywords: wrong-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: pinskia at gcc dot gnu.org
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: pinskia at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 14.0
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-112740-4-LRrCbSCcLW@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-112740-4@http.gcc.gnu.org/bugzilla/>
References: <bug-112740-4@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=3D112740

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
x86_64 IR:
  c.0_6 =3D c_5(D);
  _2 =3D (__int128 unsigned) c.0_6;
  _1 =3D {_2};
  _10 =3D VIEW_CONVERT_EXPR<__int128 unsigned>(v_7(D));
  _11 =3D _10 >=3D _2;
  _12 =3D (int128_t) _11;
  _13 =3D -_12;
  _14 =3D (<signed-boolean:128>) _13;
  _3 =3D {_14};
  _15 =3D _12 + -1;
  _16 =3D (<signed-boolean:128>) _15;
  _4 =3D {_16};
  _8 =3D VIEW_CONVERT_EXPR<V>(_4);



aarch64 (and I think riscv) IR:
  c.0_6 =3D c_5(D);
  _2 =3D (__int128 unsigned) c.0_6;
  _1 =3D {_2};
  _10 =3D VIEW_CONVERT_EXPR<__int128 unsigned>(v_7(D));
  _11 =3D _10 >=3D _2;
  _12 =3D (int128_t) _11;
  _13 =3D -_12;
  _14 =3D (<signed-boolean:128>) _13;
  _3 =3D {_14};
  _4 =3D ~_3;
  _15 =3D VIEW_CONVERT_EXPR<<signed-boolean:128>>(_4);
  _16 =3D _15 !=3D 0;
  _17 =3D (__int128 unsigned) _16;
  _18 =3D -_17;
  _8 =3D {_18};=