Re: [Qemu-devel] [PATCH v1 1/3] target/arm: Update the memops for exclusive load

["Edgar E. Iglesias" <edgar.iglesias@xilinx.com>]

On Fri, Aug 11, 2017 at 03:17:36PM -0700, Alistair Francis wrote:
> Acording to the ARM ARM exclusive loads require the same allignment as
> exclusive stores. Let's update the memops used for the load to match
> that of the store. This adds the alignment requirement to the memops.
> 
> Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>


> ---
> 
>  target/arm/translate-a64.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
> index 58ed4c6d05..245175e2f1 100644
> --- a/target/arm/translate-a64.c
> +++ b/target/arm/translate-a64.c
> @@ -1854,7 +1854,7 @@ static void gen_load_exclusive(DisasContext *s, int rt, int rt2,
>                                 TCGv_i64 addr, int size, bool is_pair)
>  {
>      TCGv_i64 tmp = tcg_temp_new_i64();
> -    TCGMemOp memop = s->be_data + size;
> +    TCGMemOp memop = size | MO_ALIGN | s->be_data;
>  
>      g_assert(size <= 3);
>      tcg_gen_qemu_ld_i64(tmp, addr, get_mem_index(s), memop);
> -- 
> 2.11.0
>