From: Keith Owens <kaos@ocs.com.au>
To: linux-ia64@vger.kernel.org
Subject: Re: vhpt_miss handler question?
Date: Fri, 26 Sep 2003 14:54:23 +0000 [thread overview]
Message-ID: <marc-linux-ia64-106458822728089@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-106458752027199@msgid-missing>
On Fri, 26 Sep 2003 09:43:55 -0500,
Mario Smarduch <cms063@email.mot.com> wrote:
>Some work I'm doing has taken me to the vhpt_miss
>handler. I've been looking at the following snippet just
>wondering what happens in the case where the present
>bit is 0 and p10,p11 predicates are not set anotherwords
>they retain their application values. Would this not
>cause an errant insertion if either p10 or p11 were
>true in the application prior to the VHPT handler?
>(p7) tbit.nz.unc p10,p11=r19,32 // is it an instruction
tbit.xx.unc sets both predicates to 0 if the controlling predicate is
false. See the 'else' clause on page 3:229 of Document Number:
245319-004 (ia64 Volume 3: Instruction Set Reference).
next prev parent reply other threads:[~2003-09-26 14:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-26 14:43 vhpt_miss handler question? Mario Smarduch
2003-09-26 14:54 ` Keith Owens [this message]
2003-09-26 15:41 ` Mario Smarduch
2003-09-26 15:48 ` David Mosberger
2003-09-26 16:57 ` Mario Smarduch
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