Re: [PATCH 01/10] eal: add workaround for __builtin_constant_p

[fengchengwen]

Signed-off-by: Chengwen Feng <fengcheng...@huawei.com>

On 2025/2/12 6:01, Andre Muezerie wrote:
> There's no MSVC equivalent for compiler extension __builtin_constant_p.
> EAL already had __rte_constant which was used as a first attempt to
> workaround __builtin_constant_p when using MSVC. However, there are
> pieces of code that would benefit from being able to provide a default
> value to be used instead of it being always 0 like how it was done by
> __rte_constant.
> 
> A new macro is added here allowing such default to be provided by the
> caller.
> 
> Signed-off-by: Andre Muezerie <andre...@linux.microsoft.com>