[Bug libstdc++/57844] New: avr-unknown-elf libstdc++v3 build causes internal compiler error: in extract_insn, at recog.c:2150

[Bug libstdc++/57844] New: avr-unknown-elf libstdc++v3 build causes internal compiler error: in extract_insn, at recog.c:2150

[bugzilla.gcc at buszta dot info]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57844

            Bug ID: 57844
           Summary: avr-unknown-elf libstdc++v3 build causes internal
                    compiler error: in extract_insn, at recog.c:2150
           Product: gcc
           Version: 4.8.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: bugzilla.gcc at buszta dot info

Trying to compile GCC 4.8.1 (SVN trunk also applies) toolchain for
avr-unknown-elf target with standard C++ library support.

Configuration options:
../gcc-4.8.1/configure
--prefix=/home/abuszta/Development/avr/gcc-4.8.1-avr-unknown-elf
--target=avr-unknown-elf --disable-__cxa_atexit --disable-nls --disable-threads
--disable-shared --enable-static --with-dwarf2 --with-gmp=/usr/local
--with-mpfr=/usr/local --with-mpc=/usr/local --with-ppl=/usr/local
--enable-libstdcxx --enable-languages=c,c++ --with-newlib
--disable-sjlj-exceptions

Build with:
binutils 2.23.2
gmp 5.0.5
mpc 0.9
mpfr 3.1.2
ppl 0.12.1
newlib 1.20.0

Host GCC:
gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/4.7.2/lto-wrapper
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man
--infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla
--enable-bootstrap --enable-shared --enable-threads=posix
--enable-checking=release --disable-build-with-cxx
--disable-build-poststage1-with-cxx --with-system-zlib --enable-__cxa_atexit
--disable-libunwind-exceptions --enable-gnu-unique-object
--enable-linker-build-id --with-linker-hash-style=gnu
--enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin
--enable-initfini-array --enable-java-awt=gtk --disable-dssi
--with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre
--enable-libgcj-multifile --enable-java-maintainer-mode
--with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib
--with-ppl --with-cloog --with-tune=generic --with-arch_32=i686
--build=x86_64-redhat-linux
Thread model: posix
gcc version 4.7.2 20120921 (Red Hat 4.7.2-2) (GCC)


Building make all-target-libstdc++-v3 gives error:

(...)
Making all in c++11
make[8]: Entering directory
`/home/abuszta/Development/avr/gcc-4.8.1-build/avr-unknown-elf/tiny-stack/libstdc++-v3/src/c++11'
/bin/sh ../../libtool --tag CXX --tag disable-shared   --mode=compile
/home/abuszta/Development/avr/gcc-4.8.1-build/./gcc/xgcc -shared-libgcc
-B/home/abuszta/Development/avr/gcc-4.8.1-build/./gcc -nostdinc++
-L/home/abuszta/Development/avr/gcc-4.8.1-build/avr-unknown-elf/tiny-stack/libstdc++-v3/src
-L/home/abuszta/Development/avr/gcc-4.8.1-build/avr-unknown-elf/tiny-stack/libstdc++-v3/src/.libs
-B/home/abuszta/Development/avr/gcc-4.8.1-avr-unknown-elf/avr-unknown-elf/bin/
-B/home/abuszta/Development/avr/gcc-4.8.1-avr-unknown-elf/avr-unknown-elf/lib/
-isystem
/home/abuszta/Development/avr/gcc-4.8.1-avr-unknown-elf/avr-unknown-elf/include
-isystem
/home/abuszta/Development/avr/gcc-4.8.1-avr-unknown-elf/avr-unknown-elf/sys-include
 -msp8 -I/home/abuszta/Development/avr/gcc-4.8.1/libstdc++-v3/../libgcc
-I/home/abuszta/Development/avr/gcc-4.8.1-build/avr-unknown-elf/tiny-stack/libstdc++-v3/include/avr-unknown-elf
-I/home/abuszta/Development/avr/gcc-4.8.1-build/avr-unknown-elf/tiny-stack/libstdc++-v3/include
-I/home/abuszta/Development/avr/gcc-4.8.1/libstdc++-v3/libsupc++  -std=gnu++11 
 -fno-implicit-templates -Wall -Wextra -Wwrite-strings -Wcast-qual -Wabi 
-fdiagnostics-show-location=once   -ffunction-sections -fdata-sections 
-frandom-seed=debug.lo -g -O2  -msp8  -c -o debug.lo
../../../../../../gcc-4.8.1/libstdc++-v3/src/c++11/debug.cc
libtool: compile:  /home/abuszta/Development/avr/gcc-4.8.1-build/./gcc/xgcc
-shared-libgcc -B/home/abuszta/Development/avr/gcc-4.8.1-build/./gcc
-nostdinc++
-L/home/abuszta/Development/avr/gcc-4.8.1-build/avr-unknown-elf/tiny-stack/libstdc++-v3/src
-L/home/abuszta/Development/avr/gcc-4.8.1-build/avr-unknown-elf/tiny-stack/libstdc++-v3/src/.libs
-B/home/abuszta/Development/avr/gcc-4.8.1-avr-unknown-elf/avr-unknown-elf/bin/
-B/home/abuszta/Development/avr/gcc-4.8.1-avr-unknown-elf/avr-unknown-elf/lib/
-isystem
/home/abuszta/Development/avr/gcc-4.8.1-avr-unknown-elf/avr-unknown-elf/include
-isystem
/home/abuszta/Development/avr/gcc-4.8.1-avr-unknown-elf/avr-unknown-elf/sys-include
-msp8 -I/home/abuszta/Development/avr/gcc-4.8.1/libstdc++-v3/../libgcc
-I/home/abuszta/Development/avr/gcc-4.8.1-build/avr-unknown-elf/tiny-stack/libstdc++-v3/include/avr-unknown-elf
-I/home/abuszta/Development/avr/gcc-4.8.1-build/avr-unknown-elf/tiny-stack/libstdc++-v3/include
-I/home/abuszta/Development/avr/gcc-4.8.1/libstdc++-v3/libsupc++ -std=gnu++11
-fno-implicit-templates -Wall -Wextra -Wwrite-strings -Wcast-qual -Wabi
-fdiagnostics-show-location=once -ffunction-sections -fdata-sections
-frandom-seed=debug.lo -g -O2 -msp8 -c
../../../../../../gcc-4.8.1/libstdc++-v3/src/c++11/debug.cc -o debug.o
../../../../../../gcc-4.8.1/libstdc++-v3/src/c++11/debug.cc: In member function
'void __gnu_debug::_Error_formatter::_Parameter::_M_print_description(const
__gnu_debug::_Error_formatter*) const':
../../../../../../gcc-4.8.1/libstdc++-v3/src/c++11/debug.cc:725:3: error:
unrecognizable insn:
   }
   ^
(insn/f 287 286 288 2 (set (reg:QI 28 r28)
        (plus:QI (reg:QI 28 r28)
            (const_int 128 [0x80])))
../../../../../../gcc-4.8.1/libstdc++-v3/src/c++11/debug.cc:649 -1
     (expr_list:REG_CFA_ADJUST_CFA (set (reg/f:HI 28 r28)
            (plus:HI (reg/f:HI 28 r28)
                (const_int -128 [0xffffffffffffff80])))
        (nil)))
../../../../../../gcc-4.8.1/libstdc++-v3/src/c++11/debug.cc:725:3: internal
compiler error: in extract_insn, at recog.c:2150
0x82e765 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
    ../../gcc-4.8.1/gcc/rtl-error.c:109
0x82e799 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
    ../../gcc-4.8.1/gcc/rtl-error.c:117
0x805760 extract_insn(rtx_def*)
    ../../gcc-4.8.1/gcc/recog.c:2150
0x8092cb copyprop_hardreg_forward_1
    ../../gcc-4.8.1/gcc/regcprop.c:772
0x8092cb copyprop_hardreg_forward
    ../../gcc-4.8.1/gcc/regcprop.c:1092
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[8]: *** [debug.lo] Error 1
make[8]: Leaving directory
`/home/abuszta/Development/avr/gcc-4.8.1-build/avr-unknown-elf/tiny-stack/libstdc++-v3/src/c++11'
(...)

Without --enable-libstdcxx configuration says that "This configuration is not
supported in the following subdirectories: (...) target-libstdc++-v3".
--enable-libstdcxx allows all-target-libstdc++-v3 to start building.

In my opinion, either --enable-libstdcxx option should not force building
libstdc++v3 for this target arch (e.g. say like libatomic: "configure: error:
Configuration avr-unknown-elf is unsupported"), or building libstdc++v3 should
work.

[Bug target/57844] ICE: unrecognizable addqi3 insn with -msp8 and frame size of 128 bytes

[gjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57844

Georg-Johann Lay <gjl at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
      Known to work|                            |4.7.4
         Resolution|---                         |FIXED
      Known to fail|4.7.2                       |4.7.3

--- Comment #2 from Georg-Johann Lay <gjl at gcc dot gnu.org> ---
Fixed by r200872 (trunk), r200873 (4.8.2), r200874 (4.7.4).