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 C4906386EC42; Thu, 11 Mar 2021 10:13:34 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C4906386EC42
From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/99422] [11 Regression] ICE in extract_constrain_insn
 building glibc pthread_create
Date: Thu, 11 Mar 2021 10:13:34 +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: ice-on-valid-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: ebotcazou 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: <bug-99422-4-OWSvnQ5rU0@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-99422-4@http.gcc.gnu.org/bugzilla/>
References: <bug-99422-4@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: <https://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: <https://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Thu, 11 Mar 2021 10:13:34 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99422

--- Comment #24 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> Technically, you have ;-)  There's gcc211 in the cfarm, but
> unfortunately the installation is highly nonstandard, doesn't follow
> cfarm conventions, and lacks GNAT.  While I do have a local gcc
> installation on the box without these issues, I agree it would be quite
> tedious to use.  I suspect that the same issue occurs on Linux/sparc64,
> too (gcc202), but trying that on a machine that's pretty unreliable
> wouldn't be my idea of fun.

This can be reproduced with a minimal Ada cross-compiler, i.e. you just need
the gnat1 compiler, the skeleton of libada and the command line:
  $(srcdir)/configure --target=3Dsparc-sun-solaris2.11
--enable-languages=3Dc,c++,ada
  make CFLAGS=3D-g CXXFLAGS=3D-g ADAFLAGS=3D"-gnatpga -gnatws"
  cd gcc/ada; make gnatlib
  cd rts; ../../gnat1 -quiet a-lfztio.ads -gnatpg

a-ztflau.adb: In function 'Ada.Long_Float_Wide_Wide_Text_Io.Aux_Float.Put':
a-ztflau.adb:101:8: error: insn does not satisfy its constraints:
(insn 32 31 88 2 (set (mem/c:DF (plus:SI (reg/f:SI 30 %fp)
                (const_int -5232 [0xffffffffffffeb90])) [29 %sfp+-5232 S8 A=
64])
        (reg:DF 40 %f8 [orig:109 _1 ] [109])) "a-ztflau.adb":99:7 153
{*movdf_insn_sp32}
     (nil))
during RTL pass: reload
+=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3DGNAT BUG DETECTED=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D+
| 11.0.1 20210310 (experimental) [master revision
1c3c12b0a6f:f62bd375583:47403a0eefac52636db768dc46c3c88a2cd4b28e]
(sparc-sun-solaris2.11) GCC error:|
| in extract_constrain_insn, at recog.c:2670                               |
| Error detected around a-ztflau.adb:101:8=