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From: "Simon.Richter at hogyros dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/111704] New: ICE in extract_insn, at recog.cc:2791 on
 aarch64-linux-gnu during RTL pass: cprop_hardreg
Date: Thu, 05 Oct 2023 14:08:25 +0000
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: target
X-Bugzilla-Version: 12.3.0
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X-Bugzilla-Severity: normal
X-Bugzilla-Who: Simon.Richter at hogyros dot de
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111704

            Bug ID: 111704
           Summary: ICE in extract_insn, at recog.cc:2791 on
                    aarch64-linux-gnu during RTL pass: cprop_hardreg
           Product: gcc
           Version: 12.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: Simon.Richter at hogyros dot de
  Target Milestone: ---

While [building GHDL 3.0.0]() on Debian, using gcc 12 as a base, we get an =
ICE:

aarch64-linux-gnu-gcc-12 -c -I./ -I../../src -I../../src/vhdl -I../../src/s=
ynth
-I../../src/grt -I../../src/psl -I../../src/vhdl/translate -I../../src/ghdl=
drv
-I../../src/ortho -I../../src/ortho/llvm6 -I../../src/synth -I../../src/ghd=
ldrv
-gnat12 -gnaty3befhkmr -g -gnatwa -gnatwC -gnatf -g -O2
-ffile-prefix-map=3D/<<PKGBUILDDIR>>=3D. -fstack-protector-strong
-fstack-clash-protection -mbranch-protection=3Dstandard -gno-record-gcc-swi=
tches
-gnata -I- /<<PKGBUILDDIR>>/src/synth/synth-disp_vhdl.adb
/<<PKGBUILDDIR>>/src/ghdldrv/ghdldrv.adb: In function =E2=80=98Ghdldrv.Gen_=
Makefile=E2=80=99:
/<<PKGBUILDDIR>>/src/ghdldrv/ghdldrv.adb:2022:8: error: unrecognizable insn:
(insn 1387 147 204 13 (parallel [
            (set (mem/c:SI (plus:DI (reg/f:DI 29 x29)
                        (const_int -260 [0xfffffffffffffefc])) [36 files_it=
+4
S4 A32])
                (reg:SI 2 x2 [244]))
            (set (mem/c:SI (plus:DI (reg/f:DI 29 x29)
                        (const_int -256 [0xffffffffffffff00])) [36 files_it=
+8
S4 A64])
                (reg:SI 1 x1 [604]))
        ]) "/<<PKGBUILDDIR>>/src/ghdldrv/ghdldrv.adb":1926:19 -1
     (expr_list:REG_DEAD (reg:SI 2 x2 [244])
        (expr_list:REG_DEAD (reg:SI 1 x1 [604])
            (nil))))
during RTL pass: cprop_hardreg
+=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+
| 12.3.0 (aarch64-linux-gnu) in extract_insn, at recog.cc:2791             |
| Error detected around /<<PKGBUILDDIR>>/src/ghdldrv/ghdldrv.adb:2022:8|
| Compiling /<<PKGBUILDDIR>>/src/ghdldrv/ghdldrv.adb|
| Please submit a bug report; see https://gcc.gnu.org/bugs/ .              |
| Use a subject line meaningful to you and us to track the bug.            |
| Include the entire contents of this bug box in the report.               |
| Include the exact command that you entered.                              |
| Also include sources listed below.                                       |
+=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=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=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D+

Full build log is at
https://buildd.debian.org/status/fetch.php?pkg=3Dghdl&arch=3Darm64&ver=3D3.=
0.0%2Bdfsg2-1&stamp=3D1696130520&raw=3D0

I have access to a test machine and an interest to get this package to work=
, so
if there are things I can do to help triaging this, please tell me.=