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 21465395BC14; Wed, 20 May 2020 12:24:36 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 21465395BC14
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
 s=default; t=1589977476;
 bh=PDnmPXS6LvVQJOWUqGPE6JnaC9rxmKn+YWTb6a4cLoQ=;
 h=From:To:Subject:Date:In-Reply-To:References:From;
 b=MdnysIy2I0RxTK4m7uk/sJVl9iIkKnhk9NtyOXwRZUt19klyyvx2pooXi443ToTFk
 D810jnwc79uuCwRII1kSReme0XhMM0OpwcyMme0uICoJCHEVOFCcTM42OcM1AvKW+L
 6qGodNJyWJcFN7LHlnt+evyGFU5SrBC8V/xOLtTU=
From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/95229] [11 Regression] in mark_jump_label_1
Date: Wed, 20 May 2020 12:24:36 +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: 11.0
X-Bugzilla-Keywords: needs-bisection
X-Bugzilla-Severity: normal
X-Bugzilla-Who: rguenth 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: 11.0
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-95229-4-0gs4C9FFKD@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-95229-4@http.gcc.gnu.org/bugzilla/>
References: <bug-95229-4@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
X-BeenThere: gcc-bugs@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-bugs mailing list <gcc-bugs.gcc.gnu.org>
List-Unsubscribe: <http://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-request@gcc.gnu.org?subject=help>
List-Subscribe: <http://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Wed, 20 May 2020 12:24:36 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95229

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #5)
> Built by
>=20
> #5  0x00000000020c4504 in gen_rtx_fmt_ee_stat (code=3DVEC_SELECT,=20
>     mode=3DE_V2SImode, arg0=3D0x0, arg1=3D0x7ffff6ad92e0) at ./genrtl.h:49
> #6  0x000000000211e242 in gen_sse4_1_zero_extendv2siv2di2 (
>     operand0=3D0x7ffff6ada4f8, operand1=3D0x0) at insn-emit.c:40857
> #7  0x0000000002207aa7 in gen_zero_extendv2siv2di2 (operand0=3D0x7ffff6ad=
a4f8,=20
>     operand1=3D0x7ffff6ada4c8) at ../../src/trunk/gcc/config/i386/sse.md:=
18012
> #8  0x00000000010cfe31 in insn_gen_fn::operator() (
>     this=3D0x3230928 <insn_data+325096>, a0=3D0x7ffff6ada4f8, a1=3D0x7fff=
f6ada4c8)
>     at ../../src/trunk/gcc/recog.h:317
> #9  0x00000000014aed21 in maybe_gen_insn
> (icode=3DCODE_FOR_zero_extendv2siv2di2,=20
>     nops=3D2, ops=3D0x7fffffffa8d0) at ../../src/trunk/gcc/optabs.c:7444
> #10 0x00000000014a3c7d in maybe_emit_unop_insn (
>     icode=3DCODE_FOR_zero_extendv2siv2di2, target=3D0x7ffff6ada4f8,=20
> --Type <RET> for more, q to quit, c to continue without paging--
>     op0=3D0x7ffff6ada4c8, code=3DZERO_EXTEND) at
> ../../src/trunk/gcc/optabs.c:3597
> #11 0x00000000014a3d7f in emit_unop_insn
> (icode=3DCODE_FOR_zero_extendv2siv2di2,=20
>     target=3D0x7ffff6ada4f8, op0=3D0x7ffff6ada4c8, code=3DZERO_EXTEND)
>     at ../../src/trunk/gcc/optabs.c:3621
> #12 0x0000000001098d45 in convert_move (to=3D0x7ffff6ada4f8,=20
>     from=3D0x7ffff6ada4c8, unsignedp=3D1) at ../../src/trunk/gcc/expr.c:2=
60
> #13 0x000000000109bc1e in convert_modes (mode=3DE_V2DImode,
> oldmode=3DE_V2SImode,=20
>     x=3D0x7ffff6ada4c8, unsignedp=3D1) at ../../src/trunk/gcc/expr.c:737
> #14 0x000000000109b220 in convert_to_mode (mode=3DE_V2DImode,
> x=3D0x7ffff6ada4c8,=20
>     unsignedp=3D1) at ../../src/trunk/gcc/expr.c:662
> #15 0x00000000010bae75 in expand_expr_real_2 (ops=3D0x7fffffffb600,
> target=3D0x0,=20
>     tmode=3DE_VOIDmode, modifier=3DEXPAND_NORMAL)
>     at ../../src/trunk/gcc/expr.c:8665
>=20
> frame #7 looks OK while #6 is bogus.  Context:
>=20
> 18009     if (!MEM_P (operands[1]))
> 18010       {
> 18011         operands[1] =3D simplify_subreg (V4SImode, operands[1],
> V2SImode, 0);
> 18012         emit_insn (gen_sse4_1_<code>v2siv2di2 (operands[0],
> operands[1]));
> 18013         DONE;
>=20
> simplify_subreg returns NULL.  It is originally (reg:V2SI 90 [ vect__2.8 =
]).
> Should that be simplify_gen_subreg?

That fixes the testcase.  But simplify_subreg is used in a lot more places
so leaving to Uros to match up with expectations.=