Re: [PATCH] target/mips: Fix store adress of high 64bit in helper_msa_st_b()

[Philippe Mathieu-Daudé]

On 4/5/22 04:33, nihui wrote:
> This patch fix the issue that helper_msa_st_b() write high 64bit
> data to where the low 64bit resides, leaving high 64bit undefined.
>
> Signed-off-by: Ni Hui <shuizhuyuanluo@126.com>
> ---
>   target/mips/tcg/msa_helper.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/target/mips/tcg/msa_helper.c b/target/mips/tcg/msa_helper.c
> index 4dde5d639a..736283e2af 100644
> --- a/target/mips/tcg/msa_helper.c
> +++ b/target/mips/tcg/msa_helper.c
> @@ -8329,7 +8329,7 @@ void helper_msa_st_b(CPUMIPSState *env, uint32_t wd,
>   
>       /* Store 8 bytes at a time.  Vector element ordering makes this LE.  */
>       cpu_stq_le_data_ra(env, addr + 0, pwd->d[0], ra);
> -    cpu_stq_le_data_ra(env, addr + 0, pwd->d[1], ra);
> +    cpu_stq_le_data_ra(env, addr + 8, pwd->d[1], ra);
>   }
>   
>   void helper_msa_st_h(CPUMIPSState *env, uint32_t wd,

Fixes: 68ad9260e0 ("target/mips: Use 8-byte memory ops for msa load/store")

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

Queued to mips-next.