I have configured GCC this way: $ /n/08/rask/src/gcc/configure --target m68hc11-unknown-none --disable-gdb --disable-nls --with-newlib
The attached testcase causes an ICE: $ ./xgcc -B./ ~/muldi3.c -S -dp -o /dev/null -O2 /n/08/rask/src/gcc/libgcc/../gcc/libgcc2.c: In function '__muldi3': /n/08/rask/src/gcc/libgcc/../gcc/libgcc2.c:566: internal compiler error: in df_refs_verify, at df-scan.c:4066 -- Summary: ICE in df_refs_verify, at df-scan.c:4066 Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: rask at sygehus dot dk GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: m68hc11-unknown-none http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32431