Re: [Qemu-devel] [PATCH 02/10] compiler.h: add QEMU_CACHELINE + QEMU_ALIGN() + QEMU_CACHELINE_ALIGNED

[Paolo Bonzini]

On 05/04/2016 07:30, Emilio G. Cota wrote:
> I'm assuming windows compilers don't support this attribute.

They actually do. :)

Paolo

> Signed-off-by: Emilio G. Cota <address@hidden>
> ---
>  include/qemu/compiler.h | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h
> index 8f1cc7b..fb946f1 100644
> --- a/include/qemu/compiler.h
> +++ b/include/qemu/compiler.h
> @@ -41,6 +41,16 @@
>  # define QEMU_PACKED __attribute__((packed))
>  #endif
>  
> +#define QEMU_CACHELINE (64)
> +
> +#if defined(_WIN32)
> +#define QEMU_ALIGN(B)
> +#else
> +#define QEMU_ALIGN(B) __attribute__((aligned(B)))
> +#endif
> +
> +#define QEMU_CACHELINE_ALIGNED QEMU_ALIGN(QEMU_CACHELINE)
> +
>  #ifndef glue
>  #define xglue(x, y) x ## y
>  #define glue(x, y) xglue(x, y)
>