Re: [hatari-devel] WinUAE CPU core cycles issue

[Eero Tamminen <oak@xxxxxxxxxxxxxx>]

Hi,

On keskiviikko 27 helmikuu 2013, Nicolas Pomarède wrote:
> Le 27/02/2013 17:52, Eero Tamminen a écrit :
> > Here's how much it's used in the code generated for different WinUAE
> > CPU core variants and the old UAE core:
> > $ for i in src/*/cpuemu*.c; do echo $i:; grep OpcodeFamily $i|wc -l;
> > done
....
> > I.e. it's updated in most of the WinUAE CPU cores, except two of them..
> > When looking at gencpu.c, it's explicitly disable for those in mistaken
> > belief that OpcodeFamily is used just for (ST) instruction pairing.
> 
> It's indeed practically used for calculating pairing in 68000 mode.
> But given it's enabled in 68030 mode, I guess it could be enabled in
> 68020 too

cpuemu_2*.c files are not just for 020, they're the ones that are used
for Falcon emulation.


> (I don't think the added cost will be noticeable, so if it can
> make the profiler similar in all cases...).


	- Eero