Building today's gcc-trunk (rev. 132088/2008-02-04) for target h8300-rtems4.9 fails with an ICE: ... /users/rtems/src/toolchains/BUILD/h8300-rtems4.9/./gcc/xgcc -B/users/rtems/src/toolchains/BUILD/h8300-rtems4.9/./gcc/ -nostdinc -B/users/rtems/src/toolchains/BUILD/h8300-rtems4.9/h8300-rtems4.9/newlib/ -isystem /users/rtems/src/toolchains/BUILD/h8300-rtems4.9/h8300-rtems4.9/newlib/targ-include -isystem /users/rtems/src/toolchains/gcc-trunk/newlib/libc/include -B/opt/rtems-4.9/h8300-rtems4.9/bin/ -B/opt/rtems-4.9/h8300-rtems4.9/lib/ -isystem /opt/rtems-4.9/h8300-rtems4.9/include -isystem /opt/rtems-4.9/h8300-rtems4.9/sys-include -O2 -g -g -O2 -O2 -I../../../gcc-trunk/gcc/../newlib/libc/sys/rtems/include -O2 -g -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -DDF=SF -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -Dinhibit_libc -I. -I. -I../.././gcc -I../../../../gcc-trunk/libgcc -I../../../../gcc-trunk/libgcc/. -I../../../../gcc-trunk/libgcc/../gcc -I../../../../gcc-trunk/libgcc/../include -DHAVE_CC_TLS -o unwind-dw2-fde.o -MT unwind-dw2-fde.o -MD -MP -MF unwind-dw2-fde.dep -fexceptions -c ../../../../gcc-trunk/libgcc/../gcc/unwind-dw2-fde.c ../../../../gcc-trunk/libgcc/../gcc/unwind-dw2-fde.c: In function 'classify_object_over_fdes': ../../../../gcc-trunk/libgcc/../gcc/unwind-dw2-fde.c:650: error: unrecognizable insn: (insn 84 83 85 12 ../../../../gcc-trunk/libgcc/../gcc/unwind-dw2-fde.c:625 (set (zero_extract:HI (subreg:HI (reg:QI 55) 0) (const_int 1 [0x1]) (const_int 5 [0x5])) (const_int 1 [0x1])) -1 (nil)) ../../../../gcc-trunk/libgcc/../gcc/unwind-dw2-fde.c:650: internal compiler error: in extract_insn, at recog.c:1990 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. make[2]: *** [unwind-dw2-fde.o] Error 1 make[2]: Leaving directory `/users/rtems/src/toolchains/BUILD/h8300-rtems4.9/h8300-rtems4.9/libgcc' make[1]: *** [all-target-libgcc] Error 2
-- Summary: h8300: ICE unwind-dw2-fde.c:650: error: unrecognizable insn Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: corsepiu at gcc dot gnu dot org GCC target triplet: h8300-rtems* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35072