Re: [New port] segfault in copy_to_mode_reg(PSImode, NULL)

[Aurelien Buhrig <aurelien dot buhrig dot gcc at gmail dot com>]

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@google.com>:
> Aurelien BUHRIG <aurelien.buhrig.gcc@gmail.com> 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
>