Patch to implement rotates by zero

Maciej W. Rozycki macro@ds2.pg.gda.pl
Tue Aug 27 02:42:00 GMT 2002


On 26 Aug 2002 cgd@broadcom.com 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: macro@ds2.pg.gda.pl, PGP key available        +



More information about the Binutils mailing list