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Most hardware can perform both equality and inequality branches so I see no reason why the second needs to generate anything more. But as you say - who cares - Well Glenn apparently but ...


On 2013-10-04, at 6:38 PM, Alan Campin <alan0307d@xxxxxxxxx> wrote:

If you mean machine instructions, the second would generate more to reverse
the value of logical true or false I would think.

Why would it matter? A couple of nanoseconds.




On Fri, Oct 4, 2013 at 3:25 PM, Glenn Gundermann <ggundermann@xxxxxx> wrote:

Hi gurus,

Forgive the trivialness of this question but I am wondering if you smart
folks can answer this.

Compare these two statements:

If booleanVar;
If not booleanVar;

Do both of these take the exact same number of internal instructions for
the test or does the second statement take an extra step?

Thanks.

Glenn Gundermann


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