[fpc-pascal] issue when enabling -O2

[Matias Vara]

2018-01-10 18:09 GMT+01:00 Karoly Balogh (Charlie/SGR) <
charlie at scenergy.dfmk.hu>:

> Hi,
>
> On Wed, 10 Jan 2018, Matias Vara wrote:
>
> > BTW, this only applies to inline assembler functions rigth? In the case
> > of normal procedures that contains a block asm end; there is no problem,
> > Am I right?
>
> No, it applies to *ALL* assembler code. Also inline blocks. The only
> difference is, for blocks you can hint the compiler which registers you
> use, so the compiler can also tailor code which improves the interaction
> with your assembler code:
>
> https://www.freepascal.org/docs-html/ref/refse87.html
>
> This is not true for pure assembler functions tho', for performance
> reasons among others.
>
> Charlie
>

This is very interesting.

Thanks a lot.



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