[fpc-devel] Generated code of constant parameters of double type
jonas.maebe at elis.ugent.be
Sun Nov 16 14:58:53 CET 2008
On 16 Nov 2008, at 14:52, Florian Klaempfl wrote:
> Luiz Americo Pereira Camara schrieb:
>> Maybe the documentation (http://www.freepascal.org/docs-html/ref/refsu50.html#x126-13300011.4.4
>> ) can be modified to clarify this since the statement:
>> "A constant argument is passed by reference if its size is larger
>> than a pointer."
>> leads to the conclusion that double types (8 bytes) would be passed
>> as reference in 32bit code.
> Well, the bigger problem is that this is target dependent.
And calling convention dependent. In most cases, how exactly constant
and value parameters are handled by the compiler is a private
implementation detail. You cannot count on how it is exactly
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