Le 10/12/2018 à 20:42, Richard Henderson a écrit :
> On 12/10/18 1:26 PM, Philippe Mathieu-Daudé wrote:
>> Hi Fabrice,
>>
>> On Fri, Dec 7, 2018 at 5:06 PM wrote:
>>>
>>> As "xchg" reads and writes both operands, the "+m" is required to avoid
>>> undefined behavior on -O2 compilation.
>>>
>>> Sign
On 12/10/18 1:26 PM, Philippe Mathieu-Daudé wrote:
> Hi Fabrice,
>
> On Fri, Dec 7, 2018 at 5:06 PM wrote:
>>
>> As "xchg" reads and writes both operands, the "+m" is required to avoid
>> undefined behavior on -O2 compilation.
>>
>> Signed-off-by: Fabrice Desclaux
Reviewed-by: Richard Henderson
Hi Fabrice,
On Fri, Dec 7, 2018 at 5:06 PM wrote:
>
> As "xchg" reads and writes both operands, the "+m" is required to avoid
> undefined behavior on -O2 compilation.
>
> Signed-off-by: Fabrice Desclaux
> ---
> tests/tcg/i386/test-i386.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
