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Article #42692

Linux -mpentium gcc-2.6.3?

#42692
From: Roberto De Feo
Date: Thu, 09 Nov 1995 00:00
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Hey folks,

    I tried to re-install gcc-2.6.3 so I could benefit from the
-mpentium option but it wouldn't work.  The configuration script
recognized that I had an i586 arch and the installation seemed to go
flawlessly.  Once it finished, I decided to recompile my kernel so it
could take advantage of some pentium optimizations (I figured it was a
good test to see if gcc was working at all).  The first problem I
encountered was that it did not use the -mpentium switch by default; I
had to edit the /usr/src/linux/arch/i386/config.in file to fix that. 
Then, after doing a 'make config' I went on to the 'make dep' and the
'make clean'; again, all went well.  When I executed 'make zlilo' it
gave me an error indicating:

      > cc1: invalid option "pentium"

I then changed all symbolic links that pointed to the "old" gcc files so
that they were pointing to the new ones.  'make zlilo' still didn't
work.   The -mpentium option just wouldn't work at all.  I know
gcc-2.6.3 _does_ support pentium optimization but why won't work?  Aghh!
 It's 4:20am, I'm going to sleep... I have a feeling the gcc monsters
will haunt my dreams...  HELP!


   Roberto  De Feo
   rd3i@andrew.cmu.edu
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From: Roberto De Feo <rd3i+@andrew.cmu.edu>
Subject: Linux -mpentium gcc-2.6.3?
Date: 1995/11/09
Message-ID: <QkcQVSO00iVGI0mWso@andrew.cmu.edu>
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organization: Junior, Math/Computer Science, Carnegie Mellon, Pittsburgh, PA
newsgroups: gnu.gcc.help