Re: Warning: Immediates 21 and 32 will give undefined behavior.

["Carlos O'Donell" <carlos@systemhalted.org>]

On Fri, Jul 31, 2009 at 10:26 AM, Frans Pop<elendil@planet.nl> wrote:
> During compilations using gcc-4.3 of the upstream 2.6.31-rc4 kernel, I
> twice noticed the warning below. As the compilation was done with '-j4',
> I'm not sure what code causes it. I'm also not sure if the example below
> is the same as the first time I saw it.
>
> Is this something to worry about, or to ignore?
>
> The kernel config was 64-bits SMP.
>
> Cheers,
> FJP
>
> <snip>
>  CC [M]  drivers/pcmcia/pd6729.o
>  CC [M]  drivers/pcmcia/i82365.o
>  CC [M]  net/netfilter/nf_conntrack_proto_sctp.o
>  CC [M]  drivers/net/e1000e/ich8lan.o
>  CC [M]  net/netfilter/nf_conntrack_proto_udplite.o
>  CC [M]  drivers/pcmcia/i82092.o
>  CC [M]  drivers/net/e1000e/es2lan.o
>  CC [M]  drivers/net/e1000/e1000_hw.o
>  CC [M]  net/netfilter/nf_conntrack_netlink.o
>  LD [M]  drivers/pcmcia/pcmcia_core.o
>  LD [M]  drivers/pcmcia/pcmcia.o
>  CC      drivers/regulator/core.o
>  CC [M]  drivers/net/e1000e/lib.o
>  CC [M]  net/netfilter/nf_conntrack_amanda.o
>  CC [M]  drivers/regulator/fixed.o
>  CC [M]  drivers/regulator/bq24022.o
>  CC [M]  drivers/net/e1000e/phy.o
>  CC [M]  drivers/regulator/wm8350-regulator.o
>  CC [M]  net/netfilter/nf_conntrack_ftp.o
>  CC [M]  drivers/net/e1000/e1000_ethtool.o
> {standard input}: Assembler messages:
> {standard input}:1345: Warning: Immediates 21 and 32 will give undefined behavior.

Dave,

Any comments?

Cheers,
CArlos.