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On Friday 07 July 2006 02:20, Danny van Dyk wrote: |
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> Ehm, no. Athlon64 can also optionally include: sse3 (for latest |
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> steppings) and xchg16 (which is a bit older already) |
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That is the point, if they ask "-march=athlon64" they get the base athlon64. |
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If you add "-msse3" (as you should if you have an Athlon64 capable of SSE3) |
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you get the whole stuff with sse3 support too. For free! |
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> Afaik Pentium4 has support for xchg16 since the very beginning. |
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I don't remember any useflag for that, and I don't seem to find that |
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instruction reported in gcc's documentation, so I cannot comment on that. |
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-- |
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Diego "Flameeyes" Pettenò - http://farragut.flameeyes.is-a-geek.org/ |
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Gentoo/Alt lead, Gentoo/FreeBSD, Video, AMD64, Sound, PAM, KDE |
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