[Bug c/51905] New: ICE at sysklogd compilation for powerpc-linux-gnuspe with -O3

[Bug c/51905] New: ICE at sysklogd compilation for powerpc-linux-gnuspe with -O3

[jekhor at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51905

             Bug #: 51905
           Summary: ICE at sysklogd compilation for powerpc-linux-gnuspe
                    with -O3
    Classification: Unclassified
           Product: gcc
           Version: 4.6.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: jekhor@gmail.com
              Host: x86_64
            Target: powerpc-linux-gnuspe


Created attachment 26384
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26384
Preprocessed source

powerpc-linux-gnuspe-gcc  -m32   -mcpu=8548 -mabi=spe -mspe
--sysroot=/opt/work/ikuten/ykharuzhy/build/tmp/sysroots/p2020rdb-pc  -O3 -DSYSV
-fomit-frame-pointer -Wall -fno-strength-reduce -DSYSLOG_INET -DSYSLOG_UNIXAF
-DNO_SCCS -DFSSTND -DSYSLOGD_PIDNAME=\"syslogd.pid\"  -c syslogd.c
syslogd.c: In function 'main':
syslogd.c:1237:1: error: unrecognizable insn:
(insn 66 65 67 4 (set (subreg:SI (reg:V2SI 502) 0)
        (lo_sum:SI (reg:SI 503)
            (symbol_ref/f:SI ("*.LC98") [flags 0x82] <var_decl 0x7ff792336be0
*.LC98>))) syslogd.c:885 -1
     (nil))
syslogd.c:1237:1: internal compiler error: in extract_insn, at recog.c:2109
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tune flags from bitbake output (bug is triggered on ELDK distribution):
OE Build Configuration:
BB_VERSION        = "1.13.3"
TARGET_ARCH       = "powerpc"
TARGET_OS         = "linux-gnuspe"
MACHINE           = "p2020rdb-pc"
DISTRO            = "eldk"
DISTRO_VERSION    = "5.1"
TUNE_FEATURES     = "m32 spe ppce500v2"
TARGET_FPU        = "ppc-efd"

$ powerpc-linux-gnuspe-gcc --version
powerpc-linux-gnuspe-gcc (GCC) 4.6.3 20111117 (prerelease)

Preprocessed source is attached.

[Bug c/51905] ICE at sysklogd compilation for powerpc-linux-gnuspe with -O3

[mranostay at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51905

Matt Ranostay <mranostay at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mranostay at gmail dot com

--- Comment #1 from Matt Ranostay <mranostay at gmail dot com> 2012-02-23 16:58:20 UTC ---
I can confirm this happens as well:

powerpc-poky-linux-gnuspe-gcc  -m32   -mcpu=8548 -mabi=spe -mspe
--sysroot=/home1/mranostay/Work/poky/build/tmp/sysroots/mpc8544nvs_prototype 
-O3 -DSYSV -fomit-frame-pointer -Wall -fno-strength-reduce -DSYSLOG_INET
-DSYSLOG_UNIXAF -DNO_SCCS -DFSSTND -DSYSLOGD_PIDNAME=\"syslogd.pid\"  -c
syslogd.c
syslogd.c: In function 'main':
syslogd.c:1237:1: error: unrecognizable insn:
(insn 66 65 67 4 (set (subreg:SI (reg:V2SI 502) 0)
        (lo_sum:SI (reg:SI 503)
            (symbol_ref/f:SI ("*.LC98") [flags 0x82] <var_decl 0x40a02600
*.LC98>))) syslogd.c:885 -1
     (nil))
syslogd.c:1237:1: internal compiler error: in extract_insn, at recog.c:2109
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make: *** [syslogd.o] Error 1
ERROR: oe_runmake failed
ERROR: Function 'do_compile' failed (see
/home1/mranostay/Work/poky/build/tmp/work/ppce500v2-poky-linux-gnuspe/sysklogd-1.5-r4/temp/log.do_compile.21411
for further information)

[Bug rtl-optimization/51905] ICE at sysklogd compilation for powerpc-linux-gnuspe with -O3

[asolokha at gmx dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51905

Arseny Solokha <asolokha at gmx dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |asolokha at gmx dot com

--- Comment #2 from Arseny Solokha <asolokha at gmx dot com> ---
Cannot reproduce this with neither 4.9.2 nor 5.0 (20141123) for
powerpc-e500v2-linux-gnuspe.

[Bug rtl-optimization/51905] ICE at sysklogd compilation for powerpc-linux-gnuspe with -O3

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51905

Segher Boessenkool <segher at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |WONTFIX
                 CC|                            |segher at gcc dot gnu.org
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #3 from Segher Boessenkool <segher at gcc dot gnu.org> ---
The powerpcspe backend has been deprecated in GCC 8 and removed during GCC 9
development. See corresponding mailing list threads[1,2,3] for details.

[1] https://gcc.gnu.org/legacy-ml/gcc/2018-04/msg00102.html
[2] https://gcc.gnu.org/legacy-ml/gcc-patches/2018-12/msg00123.html
[3] https://gcc.gnu.org/pipermail/gcc/2020-May/232342.html