[fpc-pascal] Re: Register variables slowing down floating point operations

[Marcos Douglas]

On Fri, May 13, 2011 at 11:12 AM, Vincent Snijders
<vincent.snijders at gmail.com> wrote:
> 2011/5/13 Marcos Douglas <md at delfire.net>:
>> So, not to use the option -O in i386?
>> When I compile FPC sources, on Win32 XP SP3, using make, the option is used.
>>
>> I'm confusing now...
>
> Did you try one of the -Cf options to enable MMX on i386?

No, I did not.

The compiler can choose the best compilation, it self?
How I will know the best options?

Marcos Douglas