[fpc-pascal] FPC Graphics options?

[Florian Klämpfl]

Am 22.05.2017 um 19:34 schrieb Nikolay Nikolov:
> 
> 
> On 05/20/2017 12:07 AM, Nikolay Nikolov wrote:
>>
>>
>> On 05/19/2017 11:24 PM, Sven Barth via fpc-pascal wrote:
>>> 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.)
>> No, it does not work for floats, yet, but feel free to add support for them as well :)
> Today, I checked whether we can take advantage of this optimization for floats, but I didn't see any
> load-modify-store instructions in the x86 instruction set (neither x87, nor SSE/AVX). Are there any
> floating point instructions on any architecture, that we support, that does load-modify-store (i.e.
> modify-in-place) of a memory operand?

Not that I am aware of.