$ h8300-rtems4.10-gcc -O1 -msx -c j.c ../../../../../rtems/cpukit/libnetworking/netinet/in_cksum.c: In function 'in_cksum': ../../../../../rtems/cpukit/libnetworking/netinet/in_cksum.c:118: internal compiler error: in gen_rtx_SUBREG, at emit-rtl.c:773 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions.
Fails at -O2, -O1. Works at -O0. -- Summary: ICE in gen_rtx_SUBREG, at emit-rtl.c:773 Product: gcc Version: 4.3.3 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: joel at gcc dot gnu dot org GCC target triplet: h8300-rtems http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39185