Subject: Re: INSN_EMULATION
To: Johnny Billquist <bqt@Update.UU.SE>
From: Anders Magnusson <ragge@ludd.luth.se>
List: port-vax
Date: 09/04/2000 13:43:09
> On Mon, 4 Sep 2000, Anders Magnusson wrote:
> 
> > > 
> > > 	Do emulated instructions tend to be needed in specific groups,
> > > 	such that splitting up INSN_EMULATION would make sense (though
> > > 	INSN_EMULATION could include all). Just trying to shave a few
> > > 	bytes for those 4MB users :)
> > > 
> > Well, G and H floats could be separated out, but I don't think it's 
> > so important because it is in assembles and is rather small.
> > (And there is currently no emulation code for G and H :-)
> > The current code is less than 3K.
> 
> Well, if we skip G and H floats, don't we have atleast a few more machines
> with hardware support for the rest?
> 
Only the VAX 11 and the 8000 machines, the rest have at least some
instructions as optional.

-- Ragge