[fpc-devel] State of SSE/AVX intrinsics

[Tomas Hajny]

On 2020-04-21 20:47, J. Gareth Moreton wrote:


Hi,

> As I mentioned in my future development post,
> do you think FPC could benefit from
> GetMemAligned and ReallocMemAligned routines?
> The internal functions could be used to help
> control such custom alignment in dynamic
> arrays.

Wouldn't it be better to use either some kind of global property or an 
optional additional argument than completely new routines requiring 
explicit handling not only from the end-user programs, but also from all 
units which may in turn be involved in memory allocation (including 
various containers etc.)?

Tomas



> 
> On Tue 21/04/20 19:59 , Florian Klämpfl
> florian at freepascal.org sent:
>> Am 21.04.20 um 14:58 schrieb denisgolovan
> via fpc-devel:
>> 
>> >> I think Gareth meant the address of V
>> instead (Pointer(@V)).
>> >>
>> 
>> >> Regards,
>> 
>> >> Sven
>> 
>> >
>> 
>> > Hm. I have no idea why anyone would take
> pointer
>> to pointer :)
>> >
>> 
>> > BTW, Sven, what's your opinion on dynamic
> arrays
>> alignment problem?
>> 
>> 
>> It should be fixed/there should be a
> possibility to get them aligned
>> 
>> properly. To be honest though, I did not
> look into it yet.