/hg/icedtea6: S7032388, PR682: Make HotSpot work on machines wit...

[Dr Andrew John Hughes]

On 16:56 Thu 31 Mar     , Matthias Klose wrote:
> On 31.03.2011 16:34, andrew at icedtea.classpath.org wrote:
> > changeset 64437a39a9c8 in /hg/icedtea6
> > details: http://icedtea.classpath.org/hg/icedtea6?cmd=changeset;node=64437a39a9c8
> > author: Andrew John Hughes <ahughes at redhat.com>
> > date: Thu Mar 31 15:34:49 2011 +0100
> > 
> > 	S7032388, PR682: Make HotSpot work on machines without cmov
> > 	instruction again
> > 
> > 	2011-03-31 Andrew John Hughes <ahughes at redhat.com>
> > 
> > 	 S7032388, PR682: Make HotSpot work on machines without
> > 	cmov instruction again
> > 		* Makefile.am: Add new patch.
> > 		* NEWS: Mention patch.
> > 		* patches/hotspot/hs20/7032388-work_without_cmov_instruction.patch,
> > 		* patches/hotspot/original/7032388-work_without_cmov_instruction.patch
> > 	: Versions of patch for each HotSpot version.
> 
> does this have a performance impact?

Try it and find out.

It is a regression from the previous behaviour (cmov is not required with < hs18) and I plan
to propose it for 1.10.1.  See the bug and the links in it for more information.  It was discussed
on the hotspot-dev list.
-- 
Andrew :)

Free Java Software Engineer
Red Hat, Inc. (http://www.redhat.com)

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