Re: [Qemu-devel] [PATCH] target-ppc/translate.c: Use ULL suffix for 64 bit constants

[Stefan Weil <sw@weilnetz.de>]

Am 20.02.2014 20:47, schrieb Peter Maydell:
> 64 bit constants need the "ULL" suffix, not just "UL", because
> on 32 bit platforms 'long' is not large enough and this will
> cause a compiler warning.
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
> ---
> I think plain "UL" as a suffix is pretty much never right;
> it should either be "U" or "ULL".
> 
>  target-ppc/translate.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/target-ppc/translate.c b/target-ppc/translate.c
> index c5c1108..54013a2 100644
> --- a/target-ppc/translate.c
> +++ b/target-ppc/translate.c
> @@ -7179,8 +7179,8 @@ static void gen_xxpermdi(DisasContext *ctx)
>  #define OP_NABS 2
>  #define OP_NEG 3
>  #define OP_CPSGN 4
> -#define SGN_MASK_DP  0x8000000000000000ul
> -#define SGN_MASK_SP 0x8000000080000000ul
> +#define SGN_MASK_DP  0x8000000000000000ull
> +#define SGN_MASK_SP 0x8000000080000000ull
>  
>  #define VSX_SCALAR_MOVE(name, op, sgn_mask)                       \
>  static void glue(gen_, name)(DisasContext * ctx)                  \
> 


Reviewed-by: Stefan Weil <sw@weilnetz.de>

(I personally prefer ULL instead of ull because it avoids constants
ending with 'full', and if we ignore the disas code, ULL is also more
common in QEMU)