On Wed, Feb 19, 2014 at 6:09 PM, Tom Stellard <thomas.stell...@amd.com> wrote:
> ---
> 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));
Perhaps use __builtin_bswap64 if it's available? Not sure when it
became available though.
> +}
> +
>
> /**
> * Reverse byte order of a 16 bit word.
> --
> 1.8.1.4
>
>
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