Re: Compiler opt
On Sat, Aug 28, 2004 at 06:12:03PM -0400, Brett Viren wrote:
> They are orthogonal flags. On Debian-amd64 -m64 is on by default.
> Using -march=k8 will turn on use of x86-64 instruction set.
> Don't know if em64t support all of x86-64.
gcc-3.3 changelog, version 1:3.3.3ds5-2 released 6 Mar 2004
- On amd64, don't imply 3DNow! for -m64 by default
pure64 should run on all em64t systems too, but so far only the
installer is known to (lack of machines to test on) - I personally
don't know of any running debian-pure64 installation on a nocona xeon