Re: [Qemu-devel] [PATCH 001/126] tcg: Add TCGV_IS_UNUSED_*

[Aurelien Jarno]

On Sun, Sep 09, 2012 at 02:04:19PM -0700, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <address@hidden>
> Cc: Aurelien Jarno <address@hidden>
> ---
>  tcg/tcg.h | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/tcg/tcg.h b/tcg/tcg.h
> index d710694..a9367fe 100644
> --- a/tcg/tcg.h
> +++ b/tcg/tcg.h
> @@ -251,6 +251,9 @@ typedef int TCGv_i64;
>  #define TCGV_UNUSED_I32(x) x = MAKE_TCGV_I32(-1)
>  #define TCGV_UNUSED_I64(x) x = MAKE_TCGV_I64(-1)
>  
> +#define TCGV_IS_UNUSED_I32(x) (GET_TCGV_I32(x) == -1)
> +#define TCGV_IS_UNUSED_I64(x) (GET_TCGV_I64(x) == -1)
> +
>  /* call flags */
>  /* A pure function only reads its arguments and TCG global variables
>     and cannot raise exceptions. Hence a call to a pure function can be

Looks fine.

Reviewed: Aurelien Jarno <address@hidden>

-- 
Aurelien Jarno                          GPG: 1024D/F1BCDB73
address@hidden                 http://www.aurel32.net