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Altera_Forum's avatar
Altera_Forum
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21 years ago

Unoptimizing Code?

I have some code that basically bangs bits out a PPort. At the moment I dont really care how fast it occurs, however; the optimizer, or something is basically makeing my code useles! The code w...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

HI! my firts post here.

I think your problem is because optimizer "thinks" that your instructions can be removed because they have not effect on code. Your variable Pport is not readed by nobody after one writting, so that writting is not usefull.

To tell to compiler to avoid this behavior, define your variable like this :

volatile sometype Pport;

Regards