In the last episode (Oct 22), Stephen Roome said:
> The issues I was trying to raise were really about better
> optimization for Athlons, and later generations of CPU's, as follows
Optimization issues should be brought up on the egcs mailinglists,
since that is the compiler we use.
> 2) Alignment. By default if code is compiled without -m486 we end up
> with different alignment strategies taken by gcc. Should the 386
> strategy still be the default ? (i.e. Should 386 still be considered
> the expected hardware for FreeBSD)
yes. Edit /etc/make.conf and add -march=i586 if you want to compile
your machine with pentium-specific code.
> 3) Use of SIMD instructions, (MMX and 3DNow!). Are these used by
> anything ?
Don't the MMX instructions stomp on the floating-point regs?
--
Dan Nelson
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