Loop-invariant code motion: Difference between revisions

Revision as of 07:24, 12 September 2011

Revision as of 07:52, 12 September 2011

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The calculations <code>x = y + z</code> and <code>x * x</code> can be moved outside the loop since within they are [[loop invariant]]&mdash; they do not change over the iterations of the loop&mdash; so ourthe optimized code will be something like this:

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