Re: gcc -mxxx=???
On Fri, Jun 15, 2001 at 01:56:45PM +0200, Michel Dänzer wrote:
>
> My $CFLAGS looks like this: -pipe -O2 -Wall -mcpu=750 -fstrict-aliasing
>
> It's not entirely clear from the gcc docs if code generated this way runs on
> older CPUs than G3s though. Should I rather use -mtune=750? What would be
> optimal for -mcpu for all CPUs we support?
>
> I wonder if anyone running on something like 604 or 603 has had strange
> problems like illegal instructions with packages I built?
Well, on my 7300 with a 604e running sid, I've yet to see an illegal
instruction error. But I'm not sure which packages you built.
--
David Roundy
http://civet.berkeley.edu/droundy/
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