[PATCH 01/12] eal: introduce more macro for bit definition

[Thomas Monjalon]

22/01/2024 04:57, Chengwen Feng:
> Introduce macros: RTE_MBIT64/RTE_MBIT32, RTE_GENMASK64/RTE_GENMASK32,
> and RTE_FIELD_GET64/RTE_FIELD_GET32.

A bit of context and description would help.

> +/**
> + * Get the uint64_t value for a multiple bits set.
> + *
> + * @param val
> + *   The value may not all 1s.
> + * @param nr
> + *   The bit number in range of 0 to (64 - width of val).
> + */
> +#define RTE_MBIT64(val, nr) (UINT64_C(val) << (nr))

I don't understand this macro.
I think you mean that val is shifted by nr.
Please revise the description.