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Re: [Qemu-devel] [PATCH 2/5] Add a PowerPC branch detector

From: Johannes Schindelin
Subject: Re: [Qemu-devel] [PATCH 2/5] Add a PowerPC branch detector
Date: Thu, 17 Jan 2008 14:16:37 +0000 (GMT)
User-agent: Alpine 1.00 (LSU 882 2007-12-20)


On Thu, 17 Jan 2008, Thiemo Seufer wrote:

> Alexander Graf wrote:
> [snip]
> > > Is check_ops.sh not enough for debugging micro-ops?
> > >
> > Basically it should be. PowerPC branching can be (regex) b..rl. Honestly
> > I did not know about this script though and as it was not in the
> > makefile, it did not tell me that something wrong was going on. This
> > check costs near no time and has to be passed in order to build
> > successfully.
> > 
> > So either check_ops should be fixed (not only brl) and put into the
> > Makefile.target or a check like this is good to have.
> Fixing check_ops is IMO preferable, OTOH I hope the whole problem goes
> away with the new code generator which is in the works.

The code generated by that new code generator is substantially slower than 
what we have right now, so I am not so enthusiastic.


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