Enrico Tassi wrote:
> There is not API using long double, but there is some interesting
> message in the header file (the configuration one).
>
> You probably know more than me about alignment in these archs...
>
> /*
> @@ LUAI_USER_ALIGNMENT_T is a type that requires maximum alignment.
> ** CHANGE it if your system requires alignments larger than double. (For
> ** instance, if your system supports long doubles and they must be
> ** aligned in 16-byte boundaries, then you should add long double in the
> ** union.) Probably you do not need to change this.
> */
> #define LUAI_USER_ALIGNMENT_T union { double u; void *s; long l; }
I don't think the macro should be changed because it will create a
binary incompatibility on those archs.
It seems like upstream should control use of long double in this struct
with a define, and set it for the linux build target. Without this
standardization there will be a binary compatibility confusion mess in
the future.
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