On Thu, 2003-12-11 at 00:18, Sivasankaran, Vijay wrote: > Hello, > > Anyone know how to move move huge chunks of data in x86 kenel? > I know I can use %esi and %edi as source and destination and > use ecx to specify the number of bytes. I am wondering if there > is any better way of doing it using SSE2 (128 bit) registers? > Imagine we don't have to worry abt context-switching or saving > registers why don't you use memcpy() which will be optimized for your platform ? (and yes it can use mmx/sse2 etc if it is faster (which it btw not really is unless you use weakly ordered stores, which have the side-effect of clearing the cache so are not generally a win)
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