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Re: [RFC/RFA?] Should break FILE:LINENO skip prologue?
> I wouldn't speak for Mark, but personally I could imagine, say,
> that at -O0 gcc might treat the prologue (whatever we decide
> that means) as an atom, and not allow non-prologue instructions
> to be shuffled into it.
The prologue is rather well delimited in GCC and changing that would not be
easy. Moreover nothing is shuffled into it at -O0, so what you have at -O0
is the prologue and only the prologue.
> The next question would be, are automatic variable initializations
> part of that atom?
No, they are not.
--
Eric Botcazou