Messages in this thread | | | Date | Sat, 21 Mar 1998 16:22:23 +0100 (CET) | From | Niels Kristian Bech Jensen <> | Subject | Re: gcc 2.8.0 seems OK here... |
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> Marek> On Fri, 20 Mar 1998, Niels Kristian Bech Jensen wrote: > > >> The option -mpentium doesn't affect the instruction > >> scheduling. Those with problems have used -march=pentium (have you > >> tried that.) > Marek> Exatctly. The -mpentium flag merely instructs gcc to output > Marek> i586 opcodes, but the code isn't optimized any more than with > Marek> the usual -m486 (save for the opcodes, of course) > > Contrariwise. From the gcc manual: [...]
Your right, I must have been asleep while I wrote that :-) -mpentium (= -mcpu=pentium) does the scheduling, but gives only i386 opcodes. -march=pentium gives pentium opcodes.
-- Med venlig hilsen / Best regards nkbj@image.dk Niels Kristian Bech Jensen http://www.image.dk/~nkbj/
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