Re: [Qemu-arm] [PATCH 2/4] target/arm: Fix typo in do_sat_addsub_64

[Laurent Desnogues]

On Wed, Aug 1, 2018 at 2:31 PM, Richard Henderson
<address@hidden> wrote:
> Used the wrong temporary in the computation of subtractive overflow.
>
> Reported-by: Laurent Desnogues <address@hidden>
> Signed-off-by: Richard Henderson <address@hidden>

Reviewed-by: Laurent Desnogues <address@hidden>
Tested-by: Laurent Desnogues <address@hidden>


Laurent

> ---
>  target/arm/translate-sve.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
> index 374051cd20..9dd4c38bab 100644
> --- a/target/arm/translate-sve.c
> +++ b/target/arm/translate-sve.c
> @@ -1625,7 +1625,7 @@ static void do_sat_addsub_64(TCGv_i64 reg, TCGv_i64 
> val, bool u, bool d)
>              /* Detect signed overflow for subtraction.  */
>              tcg_gen_xor_i64(t0, reg, val);
>              tcg_gen_sub_i64(t1, reg, val);
> -            tcg_gen_xor_i64(reg, reg, t0);
> +            tcg_gen_xor_i64(reg, reg, t1);
>              tcg_gen_and_i64(t0, t0, reg);
>
>              /* Bound the result.  */
> --
> 2.17.1
>