http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56940
Bug #: 56940 Summary: internal compiler error: unrecognizable insn: Classification: Unclassified Product: gcc Version: 4.6.3 Status: UNCONFIRMED Severity: major Priority: P3 Component: c AssignedTo: unassig...@gcc.gnu.org ReportedBy: gcc.h...@gmail.com Created attachment 29863 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29863 pre-processed source file I know this is an old version of GCC, but it is the one distributed with the current Debian (well, raspbian). Version ------- pi@raspberrypi ~ $ gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/arm-linux-gnueabihf/4.6/lto-wrapper Target: arm-linux-gnueabihf Configured with: ../src/configure -v --with-pkgversion='Debian 4.6.3-14+rpi1' --with-bugurl=file:///usr/share/doc/gcc-4.6/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.6 --enable-shared --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.6 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --enable-plugin --enable-objc-gc --disable-sjlj-exceptions --with-arch=armv6 --with-fpu=vfp --with-float=hard --enable-checking=release --build=arm-linux-gnueabihf --host=arm-linux-gnueabihf --target=arm-linux-gnueabihf Thread model: posix gcc version 4.6.3 (Debian 4.6.3-14+rpi1) Error ----- gcc -pipe -std=gnu99 -funsigned-char -DFILE_TABS=4 -DSCREEN_TABS=2 -c g.c -DEDITOR=0 -DLATIN8 -O3 -Wall -Wextra -Wunused -Wunreachable-code -Wstrict-aliasing=3 -Wredundant-decls -Winline -Wundef -Wwrite-strings -Wcast-qual -Wmissing-noreturn -Winit-self -Wformat=2 -Woverlength-strings -Wlogical-op -Wshadow -Wstrict-prototypes -Wstrict-overflow=1 -Wmissing-include-dirs -Wold-style-definition -Wpointer-arith -Wdisabled-optimization -Wredundant-decls -Wmissing-prototypes -Wmissing-declarations -Wunused-parameter -Wno-char-subscripts -Wuninitialized -Wunsafe-loop-optimizations -Waggregate-return -Wmissing-format-attribute -Wsign-conversion -Wvariadic-macros -Wnormalized=nfc -Wnested-externs -Wunused-macros -Wconversion -ffast-math -fno-reciprocal-math -fno-associative-math -fwrapv -mfloat-abi=hard -mfpu=vfp -fwhole-program -fomit-frame-pointer -fmerge-all-constants -fno-ident -fno-unwind-tables -fno-asynchronous-unwind-tables -lm -lcurses -ldl -o /dev/null g.c: In function 'print_val': g.c:10360:1: error: unrecognizable insn: (insn 1086 1085 1087 72 (set (subreg:SI (reg/v:DI 252 [ ival ]) 0) (sign_extend:SI (mem/s/c:QI (plus:SI (reg/f:SI 323) (const_int 1672 [0x688])) [0 MEM[(const struct VALUE *)&locals + 1248B].v.o+0 S1 A64]))) g.c:6373 -1 (nil)) g.c:10360:1: internal compiler error: in extract_insn, at recog.c:2109 Please submit a full bug report, with preprocessed source if appropriate. See <file:///usr/share/doc/gcc-4.6/README.Bugs> for instructions. Preprocessed source stored into /tmp/ccDnsSF8.out file, please attach this to your bugreport.