Thanks. Is there a way to find which define_insn/define_expand/define_split is responsible for this NULL mem ? Aurelien 2011/6/18 Ian Lance Taylor <iant@xxxxxxxxxx>: > Aurelien BUHRIG <aurelien.buhrig.gcc@xxxxxxxxx> writes: > >> #0 0x000000000050b9e5 in copy_to_mode_reg (mode=PSImode, x=0x0) at >> <...>/src/gcc/explow.c:621 > > x can not be NULL there. > >> #1 0x00000000005206d3 in set_storage_via_libcall (object=0x8a15ec0, >> size=0x88a1480, val=0x88a1400, tailcall=0 '\000') at >> <...>/src/gcc/expr.c:2644 > > The line is > object = copy_to_mode_reg (Pmode, XEXP (object, 0)); > so it looks like XEXP (object, 0) is NULL, which is invalid. Here > object is a MEM. So you need to find out how you got a MEM with a NULL > address. > > Ian >
