Re: vhpt_miss handler question?

From: Mario Smarduch <cms063_at_email.mot.com>
Date: 2003-09-27 02:57:41
David Mosberger wrote:

> >>>>> On Fri, 26 Sep 2003 09:43:55 -0500, Mario Smarduch <cms063@email.mot.com> said:
>
>   Mario> Some work I'm doing has taken me to the vhpt_miss
>   Mario> handler. I've been looking at the following snippet just
>   Mario> wondering what happens in the case where the present bit is 0
>   Mario> and p10,p11 predicates are not set anotherwords they retain
>   Mario> their application values. Would this not cause an errant
>   Mario> insertion if either p10 or p11 were true in the application
>   Mario> prior to the VHPT handler?
>
>   Mario> (p7) tbit.nz.unc p10,p11=r19,32
>
> Did you miss the .unc qualifier on that instruction?  It causes p10 and
> p11 to be set to FALSE when p7 is FALSE.
>
>         --david

I see! I guess I didn't fully understand what Keith wrote.

- Mario.

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Received on Fri Sep 26 12:57:13 2003

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