Re: .../asm-i386/bitops.h performance improvements

[Maciej W. Rozycki]

On Wed, 15 Jun 2005, Bodo Eggert wrote:

> lea is an 8086 instruction. All clones have it in it's basic form. However,
> the multiplicator is not documented for i486, therefore it will be a i586
> extension.

 Huh?  The SIB byte has been added in the original i386 with 32-bit 
addressing.

  Maciej
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