Compiler Flags problem with core2 CPU

Dan Naumov dan.naumov at
Tue Mar 2 21:26:28 UTC 2010

>See the section "3.17.14 Intel 386 and AMD x86-64 Options" in the gcc
>Info manual.  It contains a full list of the supported CPU-TYPE values
>for the -mtune=CPU-TYPE option.  The -march=CPU-TYPE option accepts the
>same CPU types:
>    `-march=CPU-TYPE'
>         Generate instructions for the machine type CPU-TYPE.  The
>         choices for CPU-TYPE are the same as for `-mtune'.  Moreover,
>         specifying `-march=CPU-TYPE' implies `-mtune=CPU-TYPE'.


Out of curiosity, what is the optimal "-march=" value to use for the
new Atom D510 CPU: ?


- Sincerely,
Dan Naumov

More information about the freebsd-questions mailing list