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From "Mikhail Fursov" <mike.fur...@gmail.com>
Subject Re: [general] What platforms do we support?
Date Wed, 04 Apr 2007 20:12:37 GMT
On 4/5/07, Rana Dasgupta <rdasgupt@gmail.com> wrote:
> Jitrino generates code late, the VM doesn't. So I am not sure how this
> would work unless we link all versions of the asm's and then decide
> which ones to call at runtime, which has a cost. My suggestion would
> be that if we want the x86-32 bits to be PIII compatible, we should
> only use PIII instructions ( upto SSE ) in all the static 32 bit
> binaries. The jit can choose to generate more advanced instruction
> sequences at runtime based on cpuid if the paltform supports it.
> Is runtime check really expensive in scenarios we have? Can all CPU
dependent code be moved into separate library, so a component can
decide in runtime which library to load
during startup and avoid further checks?

Mikhail Fursov

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