Why isn't ``-milp32'' accepted?

[Bruce Korb]

Hi,

The command:

> $ gcc -v --help | more

yields (in part):

>  -milp32|-milp64|-mlp64|-mp64  select data model (default -mlp64)

Yet:

> $ gcc -mlp64 -o cfg cfg.c   
> cc1: error: invalid option `lp64'

Oops!!