Re Likely and Unlikely Macro

[pankaj singh]

Hi,

likely and unlikely macros are used to help branch prediction, which
in turn improve performance.
so the branch which is unlikely will not be predicted at the execution time.

one can refer to : Intel manual 248966

Thanks,
~Pankaj Singh

On Tue, Oct 11, 2011 at 9:48 AM, Asutosh Das <das.asutosh at gmail.com> wrote:
> Gottcha ... Thanks guys :)
>
> On 10 October 2011 21:22, Mulyadi Santosa <mulyadi.santosa at gmail.com> wrote:
>> Hi :)
>>
>> On Mon, Oct 10, 2011 at 13:19, Asutosh Das <das.asutosh at gmail.com> wrote:
>>> I cannot understand the intention behind !!(x).
>>> Please can you let me know why !!(x) is required here.
>>
>> Assume x is 100, so !x is 0, right? Further !!x is ! ( !x), correct?
>> Then we have ! (0) which is 1.
>>
>> Thus, it's quick practical way to make any value to be just 0 or 1,
>> "true" or "false"
>>
>> --
>> regards,
>>
>> Mulyadi Santosa
>> Freelance Linux trainer and consultant
>>
>> blog: the-hydra.blogspot.com
>> training: mulyaditraining.blogspot.com
>>
>
>
>
> --
> Thank you,
> Warm Regards,
> Asutosh Das
> # (91) 9049 000 969
>
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-- 
Pankaj SIngh
Phone No: 9921865080