Patch to implement rotates by zero

Maciej W. Rozycki
Tue Aug 27 02:42:00 GMT 2002

On 26 Aug 2002 wrote:

> * I checked the r4k UM and it does in fact match what you said, _but_
>   I do note that the PDF I have (second edition, from the MIPS web
>   site IIRC), same pages as you mention, has change bars next to the
>   statements in sll/sllv descriptions which define this behaviour.  I
>   don't know how first edition looked (or how the earliest r4k parts
>   behaved).

 I think that was added as a clarification.  If earlier R4000/R4400
processors behaved differently, there would surely be a note in their
errata, but there isn't one (not sure about R4000 rev. 1 -- anyone knows
if the processor was publicly released at all?).

+  Maciej W. Rozycki, Technical University of Gdansk, Poland   +
+        e-mail:, PGP key available        +

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