Am 10.12.2017 um 02:29 schrieb J. Gareth Moreton: > Hi everyone, > > Since I'm masochistic in my desire to understand and improve the Free Pascal > Compiler, I would like to add > some vectorisation support in its optimisation cycle, since that is one thing > that many other compilers > attempt to do these days. But before I begin, does FPC support any kind of > vectorisation already? If it > does I haven't been able to find it yet, and I don't want to end up > reinventing the wheel.
I started once to work on this, but never merged it into fpc trunk, it might be even only in my local git check out, I can look for it. > > I'm sure it's a mammoth task, but I would like to start somewhere with it - > however, are there any design > plans that I should be adhering to so I don't end up designing something that > is disliked? > Well, basically it means that another pass (like e.g. unroll_loop in optloop.pas) of the tree must be added which generated operations as they can be encoded by -Sv. To do this efficiently, probably some previous simplification of the tree is needed. But this is something for later. _______________________________________________ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-devel
