[Bug target/45814] New: ICE in extract_insn, at recog.c:2127

[Bug target/45814] New: ICE in extract_insn, at recog.c:2127

[rmansfield at qnx dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45814

           Summary: ICE in extract_insn, at recog.c:2127
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: rmansfield@qnx.com
              Host: i686-linux-gnu
            Target: arm-unknown-linux-gnu
             Build: i686-linux-gnu


Created attachment 21900
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=21900
preprocessed source

$ ./xgcc -v
Using built-in specs.
COLLECT_GCC=./xgcc
Target: arm-unknown-linux-gnu
Configured with: ../configure --target=arm-unknown-linux-gnu
--prefix=/home/ryan/x-tools/arm-unknown-linux-gnu
--with-headers=/home/ryan/x-tookls/arm-unknown-linux-gnu/arm-unknown-linux-gnu/include
--with-local-prefix=/home/ryan/xtools/arm-unknown-linux-gnu/arm-unknown-linux-gnu
--disable-nls --enable-threads=posix --enable-symvers=gnu --enable-__cxa_atexit
--enable-languages=c --enable-shared --enable-c99 --enable-long-long
--enable-checking=all
Thread model: posix
gcc version 4.6.0 20100928 (experimental) [trunk revision 164675] (GCC) 
$ ./xgcc -B. -march=armv6 -mfpu=vfp -mfloat-abi=softfp -O3 ~/ice.i -mapcs-frame
/home/ryan/ice.i: In function 'SendTg':
/home/ryan/ice.i:25:7: warning: incompatible implicit declaration of built-in
function 'memset' [enabled by default]
/home/ryan/ice.i:39:1: error: unrecognizable insn:
(insn 155 154 156 6 (set (reg:HI 4 r4)
        (reg:SI 77 s14)) /home/ryan/ice.i:30 -1
     (nil))
/home/ryan/ice.i:39:1: internal compiler error: in extract_insn, at
recog.c:2127
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.


Also happens with gnueabi and -mapcs-frame (I can't imagine why anyone would
want to do that).

[Bug target/45814] ICE in extract_insn, at recog.c:2127

[ibolton at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45814

Ian Bolton <ibolton at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2011.01.07 11:44:57
                 CC|                            |ibolton at gcc dot gnu.org
     Ever Confirmed|0                           |1

--- Comment #1 from Ian Bolton <ibolton at gcc dot gnu.org> 2011-01-07 11:44:57 UTC ---
I was able to replicate this with r165124 of trunk, but latest trunk is not
showing this problem.  Please can you confirm it is now working for you, Ryan.

[Bug target/45814] ICE in extract_insn, at recog.c:2127

[rmansfield at qnx dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45814

--- Comment #2 from Ryan Mansfield <rmansfield at qnx dot com> 2011-01-08 21:23:40 UTC ---
Nope, still broken on trunk for me.

$ ./xgcc -v
Using built-in specs.
COLLECT_GCC=./xgcc
Target: arm-unknown-linux-gnu
Configured with: ../configure --target=arm-unknown-linux-gnu
--prefix=//home/ryan/crosstool/4.2-20080312-glibc-2.3.6/arm-unknown-linux-gnu
--with-headers=//home/ryan/crosstool/4.2-20080312-glibc-2.3.6/arm-unknown-linux-gnu/arm-unknown-linux-gnu/include
--with-local-prefix=//home/ryan/crosstool/4.2-20080312-glibc-2.3.6/arm-unknown-linux-gnu/arm-unknown-linux-gnu
--disable-nls --enable-threads=posix --enable-symvers=gnu --enable-__cxa_atexit
--enable-languages=c++ --enable-shared --enable-c99 --enable-long-long
Thread model: posix
gcc version 4.6.0 20110108 (experimental) [trunk revision 168603] (GCC) 
$ ./xgcc -B. -march=armv6 -mfpu=vfp -mfloat-abi=softfp -O3 t.i -mapcs-frame -c
t.i: In function 'SendTg':
t.i:25:7: warning: incompatible implicit declaration of built-in function
'memset' [enabled by default]
t.i:39:1: error: unrecognizable insn:
(insn 155 154 156 6 (set (reg:HI 4 r4)
        (reg:SI 77 s14)) t.i:30 -1
     (nil))
t.i:39:1: 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.

[Bug target/45814] ICE in extract_insn, at recog.c:2127

[rmansfield at qnx dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45814

Ryan Mansfield <rmansfield at qnx dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
         Resolution|---                         |WONTFIX

--- Comment #3 from Ryan Mansfield <rmansfield at qnx dot com> ---
ARM OABI is no longer a supported target.