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Branko Badrljica wrote: |
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> ONe fo my machines still has K8 - AMD64 X2 6000+ in it. |
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> |
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> cat /proc/cpuinfo doesn't list SSE3 capabilities of the CPU, whereas AMD |
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> states that newer AMD64 (2005 and after that) are SSE3 capable and |
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> gcc-4.3.2 has -march=k8-sse3 |
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> |
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> Wikipedia states that AMD K8 is SSE3 capable, except for a few |
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> Intel-specific instructions. Maybe that is the reason why it isn't |
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> listed in /proc/cpuinfo ? |
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> |
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> |
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> Until now I have always used -march=k8, but now I wonder whether it |
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> would be safe to use k8-sse3. |
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> |
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> Has anyone tried this yet ? |
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> |
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> |
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SSE3 capability is listed as "pni" (Prescott New Instructions) in |
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/proc/cpuinfo flags. I've been using SSE3 with my AMD64 X2 4600+ for 3 |
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years now. |
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|
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/Morgan |
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