My CFLAGS for an Athlon XP 1800+ are:
CFLAGS="-march=athlon-xp -O3 -pipe -mcpu=athlon-xp -m3dnow -mmmx - msse -mfpmath=sse,387 -finline-functions -fmerge-all-constants -fthread-jumps -fomit-frame-pointer -fexpensive-optimizations -ffast-math -fforce-addr -falign-functions=64 -falign-jumps=4 -falign-loops=4 -frerun-cse-after-loop -frerun-loop-opt -fprefetch-loop-arrays -maccumulate-outgoing-args"
Which contains some duplications but _seems_ to work perfectly. Note
this will probably make people cry "Are you crazy and/or stupid!?" and developers will likely refuse to do troubleshooting on any problems you may have.
Are you crazy and/or stupid!?
I never had much of a glance at CFLAGS beyond the basics. Anyway, Eric is right in that Duron's are scaled down athlons, the question is just making sure generation to set your flags properly. drewbian: you could always find out by checking the contents of /proc/
cpucore, and looking those up on amd's website or google.
I figure I'd just let you know about my flags since it is what you asked. Just the basics, but it works fine for me:
-march=athlon-tbird -O3 -pipe -fomit-frame-pointer
Good luck.
-Chris I
FROM THE DESK OF
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