Re: [Qemu-devel] [PATCH v3 18/29] s390x/tcg: MVCS/MVCP: Use access_memmove()

[David Hildenbrand <david@redhat.com>]

On 17.09.19 22:20, Richard Henderson wrote:
> On 9/16/19 9:57 AM, David Hildenbrand wrote:
>> As we are moving between address spaces, we can use access_memmove_idx()
>> without checking for destructive overlaps (especially of real storage
>> locations):
>>     "Each storage operand is processed left to right. The
>>     storage-operand-consistency rules are the same as
>>     for MOVE (MVC), except that when the operands
>>     overlap in real storage, the use of the common real-
>>     storage locations is not necessarily recognized."
>>
>> Signed-off-by: David Hildenbrand <david@redhat.com>
>> ---
>>  target/s390x/mem_helper.c | 26 ++++++++++++--------------
>>  1 file changed, 12 insertions(+), 14 deletions(-)
> 
> Comment references access_memmove_idx.

Indeed, thanks!

> 
> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
> 
> 
> r~
> 


-- 

Thanks,

David / dhildenb