[Mesa-dev] [PATCH 1/3] util: Add util_bswap64()

[Francisco Jerez]

Tom Stellard <thomas.stellard at amd.com> writes:

> ---
>  src/gallium/auxiliary/util/u_math.h | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h
> index b5e0663..49f8bda 100644
> --- a/src/gallium/auxiliary/util/u_math.h
> +++ b/src/gallium/auxiliary/util/u_math.h
> @@ -741,6 +741,16 @@ util_bswap32(uint32_t n)
>  #endif
>  }
>  
> +/**
> + * Reverse byte order of a 64bit word.
> + */
> +static INLINE uint64_t
> +util_bswap64(uint64_t n)
> +{
> +   return ((uint64_t)util_bswap32(n & 0xffffffff) << 32) |
> +          util_bswap32((n >> 32));
> +}
> +
>  
>  /**
>   * Reverse byte order of a 16 bit word.
> -- 
> 1.8.1.4

Reviewed-by: Francisco Jerez <currojerez at riseup.net>
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