On 08/20/2010 10:51 PM, Ian Lance Taylor wrote:
> "H.J. Lu" <[email protected]> writes:
>
>> Sometime I have to do
>>
>> int x = 0;
>>
>> to silence gcc from uninitialized warnings when I know it is
>> unnecessary. Is that a good idea to add
>>
>> int x __attribute__ ((uninitialized));
>>
>> to tell compiler that it is OK for "x" to be uninitialized?
Better to call it "initialized", analogous to attribute used/unused.
> I think the general idea is reasonable. I also think it might be worth
> spending a few minutes thinking about whether we can implement some more
> general diagnostic suppression mechanism. E.g.,
> int x __attribute__ ((ignore ("-Wuninitialized")));
Or this.
Bernd
