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32 bit multiplication

vaibhav shetge
Prodigy 130 points

hi

I am  a newbie and trying to figure out the best way to multiply 2 32 bit signed numbers...

If anybody has tried it, do share some light...

  • TI__Guru*** 125430 points

    There is a 55x dsplib that has a mul32 function.  The easiest thing would be to use that function directly.  However, it requires that you do a block multiply of at least 4 products.  If that doesn't fit your application then you could look at the included assembly code to see how it was implemented.

    Brad