Hi, I have been trying to cross-compile gcc-4.7.0 for new target (my_cpu) and getting following error at build time. My build environment is: ----------------------- Binutils for Target: binutils-2.21 Target CPU: 8-bit processor Make Result: ------------ <snip> /cygdrive/d/gcc-dir/source/gcc-4.7.0/libgcc/libgcc2.c: In function ‘__mulhi3’: /cygdrive/d/gcc-dir/source/gcc-4.7.0/libgcc/libgcc2.c:549:1: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. Makefile:467: recipe for target `_muldi3.o' failed make[4]: *** [_muldi3.o] Error 1 make[4]: Leaving directory `/cygdrive/d/gcc-dir/gcc_build/my_cpu/softlib/libgcc' Makefile:1088: recipe for target `multi-do' failed make[3]: *** [multi-do] Error 1 make[3]: Leaving directory `/cygdrive/d/gcc-dir/gcc_build/my_cpu/libgcc' Makefile:113: recipe for target `all-multi' failed make[2]: *** [all-multi] Error 2 make[2]: Leaving directory `/cygdrive/d/gcc-dir/gcc_build/my_cpu/libgcc' Makefile:9344: recipe for target `all-target-libgcc' failed make[1]: *** [all-target-libgcc] Error 2 make[1]: Leaving directory `/cygdrive/d/gcc-dir/gcc_build' Makefile:853: recipe for target `all' failed make: *** [all] Error 2 <snip> Here is the snip of libgcc2.c file at line no. 549 --------------------------------------------- <snip> __muldi3 (DWtype u, DWtype v) { const DWunion uu = {.ll = u}; const DWunion vv = {.ll = v}; DWunion w = {.ll = __umulsidi3 (uu.s.low, vv.s.low)}; w.s.high += ((UWtype) uu.s.low * (UWtype) vv.s.high + (UWtype) uu.s.high * (UWtype) vv.s.low); return w.ll; } <snip> This is the content of my t-my_cpu file: -------------------------------------- <snip> LIB1ASMSRC = my_cpu/lib1funcs.asm LIB1ASMFUNCS = addsf3 addtqf3 cmpsf3 cmptqf3 LIB1ASMFUNCS += divmodhi4 divmodqi4 divmodsi4 divsf3 divtqf3 LIB1ASMFUNCS += fix_truncsfhi2 fix_truncsfqi2 fix_truncsfsi2 fixuns_truncsfhi2 LIB1ASMFUNCS += fixuns_truncsfqi2 fixuns_truncsfsi2 LIB1ASMFUNCS += floathisf2 floatqisf2 floatsisf2 modqi3 mulhi3 mulhisi3 LIB1ASMFUNCS += mulsf3 mulsi3 multqf3 udivmodhi4 udivmodqi4 udivmodsi4 LIB1ASMFUNCS += umodqi3 umulhisi3 LIB1ASMFUNCS += _bswapsi2 _bswapdi2 # We do not have DF or DI types, so fake out the libgcc2 compilation. TARGET_LIBGCC2_CFLAGS = -DDF=SF -DDI=SI -D__DF__=__SF__ -D__DI__=__SI__ -I$(srcdir)/config/my_cpu # Startup files CRT0_S = $(srcdir)/config/my_cpu/crt0.s MCRT0_S = $(srcdir)/config/my_cpu/crt0.s <snip> Any pointers to fix this issue are very much appreciated. -- View this message in context: http://old.nabble.com/internal-compiler-error-in-libgcc-with-gcc4.7.0-tp34047586p34047586.html Sent from the gcc - Help mailing list archive at Nabble.com.