https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63681
Bug ID: 63681 Summary: bfin-rtems ICE in cfg_layout_initialize, at cfgrtl.c:4233 Product: gcc Version: 4.9.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libgcc Assignee: unassigned at gcc dot gnu.org Reporter: joel at gcc dot gnu.org git 4.9 branch with last commit 1d2b7cdfcb9376a6ee98964b11cf73fe14154e13 newlib head Configure command (lots of newlib options) ../${GCC}/configure \ --prefix=${PREFIX} \ --bindir=${PREFIX}/bin \ --exec_prefix=${PREFIX} \ --includedir=${PREFIX}/include \ --libdir=${PREFIX}/lib \ --libexecdir=${PREFIX}/libexec \ --mandir=${PREFIX}/share/man \ --infodir=${PREFIX}/share/info \ --datadir=${PREFIX}/share \ --target=${TARGET} \ ${sjlj} \ --disable-libstdcxx-pch \ --with-gnu-as --with-gnu-ld --verbose \ --with-newlib \ --with-system-zlib \ --disable-nls --without-included-gettext \ --disable-win32-registry \ --enable-version-specific-runtime-libs \ --disable-lto \ --enable-newlib-io-c99-formats \ --enable-newlib-iconv \ --enable-newlib-iconv-encodings=big5,cp775,cp850,cp852,cp855,\ cp866,euc_jp,euc_kr,euc_tw,iso_8859_1,iso_8859_10,iso_8859_11,\ iso_8859_13,iso_8859_14,iso_8859_15,iso_8859_2,iso_8859_3,\ iso_8859_4,iso_8859_5,iso_8859_6,iso_8859_7,iso_8859_8,iso_8859_9,\ iso_ir_111,koi8_r,koi8_ru,koi8_u,koi8_uni,ucs_2,ucs_2_internal,\ ucs_2be,ucs_2le,ucs_4,ucs_4_internal,ucs_4be,ucs_4le,us_ascii,\ utf_16,utf_16be,utf_16le,utf_8,win_1250,win_1251,win_1252,\ win_1253,win_1254,win_1255,win_1256,win_1257,win_1258 \ --enable-threads \ --disable-plugin \ --enable-languages="c,c++" The build fails in libgcc with this. Should be easy to reproduce: /users/joel/test-gcc/b-bfin-rtems4.11-gcc/./gcc/xgcc -B/users/joel/test-gcc/b-bfin-rtems4.11-gcc/./gcc/ -nostdinc -B/users/joel/test-gcc/b-bfin-rtems4.11-gcc/bfin-rtems4.11/newlib/ -isystem /users/joel/test-gcc/b-bfin-rtems4.11-gcc/bfin-rtems4.11/newlib/targ-include -isystem /users/joel/test-gcc/gcc/newlib/libc/include -B/users/joel/test-gcc/install-head/bfin-rtems4.11/bin/ -B/users/joel/test-gcc/install-head/bfin-rtems4.11/lib/ -isystem /users/joel/test-gcc/install-head/bfin-rtems4.11/include -isystem /users/joel/test-gcc/install-head/bfin-rtems4.11/sys-include -g -O2 -O2 -I../../../gcc/libgcc/../newlib/libc/sys/rtems/include -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -Dinhibit_libc -I. -I. -I../.././gcc -I../../../gcc/libgcc -I../../../gcc/libgcc/. -I../../../gcc/libgcc/../gcc -I../../../gcc/libgcc/../include -DHAVE_CC_TLS -DUSE_EMUTLS -o _div_sf.o -MT _div_sf.o -MD -MP -MF _div_sf.dep -DFINE_GRAINED_LIBRARIES -DL_div_sf -DFLOAT -c ../../../gcc/libgcc/fp-bit.c -fvisibility=hidden -DHIDE_EXPORTS ../../../gcc/libgcc/fp-bit.c: In function '__divsf3': ../../../gcc/libgcc/fp-bit.c:1082:1: internal compiler error: in cfg_layout_initialize, at cfgrtl.c:4233 } ^ 0x4f030a cfg_layout_initialize(unsigned int) ../../gcc/gcc/cfgrtl.c:4233 0x9b9be1 reorder_loops ../../gcc/gcc/hw-doloop.c:500 0x9b9be1 reorg_loops(bool, hw_doloop_hooks*) ../../gcc/gcc/hw-doloop.c:641 0x938e85 bfin_reorg_loops ../../gcc/gcc/config/bfin/bfin.c:3888 0x938e85 bfin_reorg ../../gcc/gcc/config/bfin/bfin.c:4630 0x710bc9 rest_of_handle_machine_reorg ../../gcc/gcc/reorg.c:3936 0x710bc9 execute ../../gcc/gcc/reorg.c:3966 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[2]: *** [_div_sf.o] Error 1 make[2]: Leaving directory `/users/joel/test-gcc/b-bfin-rtems4.11-gcc/bfin-rtems4.11/libgcc' ma