[fpc-devel] Working on FillWord, FillDWord and FillQWord again

J. Gareth Moreton gareth at moreton-family.com
Fri May 14 04:49:09 CEST 2021


Hi everyone,

I'm back to working on the x86_64 implementations of FillWord, FillDWord 
and FillQWord again due to demand from a couple of end users.

https://bugs.freepascal.org/view.php?id=32637

One question I do have though, because the documentation doesn't bring 
it up... must the functions be able to handle memory that isn't aligned 
to their respective sizes? That is, should FillWord handle memory that's 
not aligned to 2 bytes etc? I would be grateful for an answer, because 
if I'm allowed to assume the memory is at least aligned to the size 
boundary, I can greatly simplify my assembly language.

Gareth aka. Kit


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