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On Thursday 01 June 2006 02:29, Mike Owen wrote: |
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> On 5/31/06, Duncan <1i5t5.duncan@×××.net> wrote: |
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> > You have at least four options. The first is to just install it as a |
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> > normal x86 (using basically the same settings you probably use now, |
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> > since I see you are on AthlonXP, only with SMP for the dual-core, and |
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> > perhaps -march=k8 in your CFLAGS). |
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> |
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> <snip> |
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> |
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> |
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> That's probably a bad idea. Setting k8 enables the PTA_64BIT option |
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> in gcc, which I'm guessing won't work too well with a pure-32bit |
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> kernel + userland. You're probably best off using the same profile as |
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> you are now. If your kernel supports the hardware, you could even do |
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> an inplace upgrade, and not have to reinstall at all. The one thing |
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> you'll miss out on with using the athlon-mp or athlon-xp -march |
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> settings is sse2, and athlon-fx specific tuning. |
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Actually I've been running mostly 32 bit on my athlon64 and I always use |
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CFLAGS="-march=athlon64". Works perfectly and stable. My guess would be |
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that gcc distinguishes based on what compiler it is. |
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Paul |
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|
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-- |
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Paul de Vrieze |
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Gentoo Developer |
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Mail: pauldv@g.o |
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Homepage: http://www.devrieze.net |
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