[Bug libgcc/57353] New: unrecognizable insn in decLibrary.c, ICE in extract_insn

[Bug libgcc/57353] New: unrecognizable insn in decLibrary.c, ICE in extract_insn

[stigge at antcom dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57353

            Bug ID: 57353
           Summary: unrecognizable insn in decLibrary.c, ICE in
                    extract_insn
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libgcc
          Assignee: unassigned at gcc dot gnu.org
          Reporter: stigge at antcom dot de

Created attachment 30153
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30153&action=edit
debug file from ICE

Subject: unrecognizable insn in decLibrary.c, ICE in extract_insn

Hi,

on Debian's powerpcspe (i.e. powerpc e500v2, gnuspe), I encountered the
following while building the latest gcc snapshot:

...
/home/ernie/gcc-snapshot-20130509/build/./gcc/xgcc
-B/home/ernie/gcc-snapshot-20130509/build/./gcc/
-B/usr/lib/gcc-snapshot/powerpc-linux-gnuspe/bin/
-B/usr/lib/gcc-snapshot/powerpc-linux-gnuspe/lib/ -isystem
/usr/lib/gcc-snapshot/powerpc-linux-gnuspe/include -isystem
/usr/lib/gcc-snapshot/powerpc-linux-gnuspe/sys-include    -g -O2 -O2  -g -O2
-DIN_GCC   -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition  -isystem ./include   -fPIC
-mlong-double-128 -mno-minimal-toc -g -DIN_LIBGCC2 -fbuilding-libgcc
-fno-stack-protector   -fPIC -mlong-double-128 -mno-minimal-toc -I. -I.
-I../.././gcc -I../../../src/libgcc -I../../../src/libgcc/.
-I../../../src/libgcc/../gcc -I../../../src/libgcc/../include
-I../../../src/libgcc/../libdecnumber/dpd -I../../../src/libgcc/../libdecnumber
-DHAVE_CC_TLS  -o decDouble.o -MT decDouble.o -MD -MP -MF decDouble.dep -c
../../../src/libgcc/../libdecnumber/decDouble.c
../../../src/libgcc/../libdecnumber/decLibrary.c: In function 'isinfd64':
../../../src/libgcc/../libdecnumber/decLibrary.c:60:1: error: unrecognizable
insn:
 }
 ^
(insn 2 4 3 2 (set (reg/v:DD 125 [ arg ])
        (reg:DD 3 3 [ arg ]))
../../../src/libgcc/../libdecnumber/decLibrary.c:53 -1
     (nil))
../../../src/libgcc/../libdecnumber/decLibrary.c:60:1: internal compiler error:
in extract_insn, at recog.c:2154
0x1086917f _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
        ../../src/gcc/rtl-error.c:109
0x108691d3 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
        ../../src/gcc/rtl-error.c:117
0x10801bd7 extract_insn(rtx_def*)
        ../../src/gcc/recog.c:2154
0x10573667 instantiate_virtual_regs_in_insn
        ../../src/gcc/function.c:1561
0x105752c3 instantiate_virtual_regs
        ../../src/gcc/function.c:1926
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <file:///usr/share/doc/gcc-snapshot/README.Bugs> for instructions.
Preprocessed source stored into /tmp/ccLwS90V.out file, please attach this to
your bugreport.
make[5]: *** [decLibrary.o] Error 1
make[5]: *** Waiting for unfinished jobs....
make[5]: Leaving directory
`/home/ernie/gcc-snapshot-20130509/build/powerpc-linux-gnuspe/libgcc'
make[4]: *** [all-stage1-target-libgcc] Error 2
make[4]: Leaving directory `/home/ernie/gcc-snapshot-20130509/build'
...

Attaching the cited debug file ccLwS90V.out

Thanks in advance,

Roland

[Bug target/57353] unrecognizable insn in decLibrary.c, ICE in extract_insn

[asolokha at gmx dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57353

--- Comment #1 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 target/57353] unrecognizable insn in decLibrary.c, ICE in extract_insn

[stigge at antcom dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57353

--- Comment #2 from Roland Stigge <stigge at antcom dot de> ---
Yes, me neither. Consider it gone. Thanks!