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On Thu, February 12, 2009 12:52 pm, Zhang Jun wrote: |
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> Hi list, |
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> |
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> my laptop's cpu is AMD Turion64x2, I've installed both 32bits Debian |
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> testing and Gentoo on it, |
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> from Debian there is no SSE3 in /proc/cpuinfo, |
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> and I used CFLAGS="-O2 -march=athlon-xp -fomit-frame-pointer -pipe" on |
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> gentoo, and I can not see SSE3 in cpuinfo also, |
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> |
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> I emerged x86info, and SSE3 is in its output: |
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> |
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> #x86info |
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> x86info v1.21. Dave Jones 2001-2007 |
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> Feedback to <davej@××××××.com>. |
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> |
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> Found 2 CPUs |
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> -------------------------------------------------------------------------- |
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<snipped output> |
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|
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> my question is: I can not see SSE3 in cpuinfo because I did not use |
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> "-msse3" in CFLAGS ? |
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Hi, |
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|
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I would suspect that for your CPU using "-march=athlon-fx" would be more |
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beneficial as your CPU has the x86_64 instruction set as well? |
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-- |
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Joost |
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