Am 19.05.2017 22:24 schrieb "Sven Barth" <pascaldra...@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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