[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: unassig...@gcc.gnu.org
        ReportedBy: jek...@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.