[fpc-pascal] FPC Graphics options?

[Sven Barth]

Am 19.05.2017 22:24 schrieb "Sven Barth" <pascaldragon at googlemail.com>:
>
> On 19.05.2017 19:22, Karoly Balogh (Charlie/SGR) wrote:
> > Hi,
> >
> > On Fri, 19 May 2017, Sven Barth via fpc-pascal wrote:
> >
> >> I think Jeppe wanted to add vector support. Though the question here is
> >> whether one wants to optimize/detect this at the AST level and convert
> >> that to implicit vectors or at the CSE level.
> >
> > I think the higher level you can do an optimization/simplification, the
> > higher you should do it. Otherwise the lower layers get really messy, as
> > they already are in some cases. Well, in general, we should up our
> > floating point game. For example if Nikolay's recent load-modify-store
> > optimization would work on floats, that would already a nice step
forward
> > in this case. ;) (Sorry for my ignorance, if it already works, missed
that
> > then.)
>
> I agree that we should improve that. Maybe we should also allow for more
> FPU type specific helper routines. Currently on i386 and x86_64 the x87
> FPU will be used even if -CfsseX is given and only Single/Double are
> used, cause the compiler defaults to Extended. If SSE isn't used that
> might make sense, but for SSE we should fall back to Double if we're
> only dealing with double, IMHO (and analogous for Single).

And you might notice that I had written this before I had discovered the
existence of the professorspecific inline nodes which I commented on below
that, so forgot what I wrote here aside from the fact that we should indeed
improve things regarding floating point ^^'

Regards,
Sven
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