* x86-64-tdep.h (x86_64_init_abi): New prototype.

* x86-64-tdep.c (i386_fp_regnum_p): Remove function.
(x86_64_init_abi): Make non-static.  Set number of pseudo
registers to 0.
(x86_64_gdbarch_init): Remove function.
(_initialize_x86_64_tdep): Renove register_gdbarch_init call.
Remove code dealing with dissambly.
* x86-64-linux-tdep.c (x86_64_linux_init_abi): New function.
(_initialize_x86_64_linux_tdep): New function.
* config/i386/x86-64linux.mt (TDEPFILES): Add i386-tdep.o and
i386-tdep.o.