[fpc-devel] What means -Oodfa ?
Florian Klämpfl
florian at freepascal.org
Sun Mar 22 11:17:31 CET 2015
Am 22.03.2015 um 11:12 schrieb Juha Manninen:
> Referring to this old issue :
> http://bugs.freepascal.org/view.php?id=20907
> I was told that compiling with -Oodfa reports uninitialized String
> result values.
> Indeed it does, I spotted many of them in Lazarus sources.
>
> However "fpc -h" does not mention these options. What do they mean?
> There is :
>
> -Oo[NO]<x> Enable or disable optimizations; see fpc -i or fpc -io
> for possible values
>
> then
>
> $ fpc -io
> REGVAR
> STACKFRAME
> PEEPHOLE
> LOOPUNROLL
> TAILREC
> CSE
> DFA
^---- ?
See the svn version of the docs for its meaning ;)
> USERBP
> ORDERFIELDS
> FASTMATH
> REMOVEEMPTYPROCS
> CONSTPROP
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