gcc options to use

["Koornstra, Reinoud" <koornstra@xxxxxx>]

Hi,

I am compiling some libs and binaries for core2 duo cpu machines.
The gcc version is 4.3.3 and the arguments I use are:

x86_64-unknown-linux-gnu-gcc -m64 -march=core2 -mtune=core2 bla bla.
When I read the compiled bin with readelf it reports this:

Class: ELF64
Machine: Advanced Micro Devices X86-64
Etc etc.

I guess this is alright....?
Kind Regards,

Reinoud.