Forcing the compiler to deal with pipeline hazards can cause binary compatibility problems down the road, when new microarchitectures have different lengths.

Forcing the compiler to deal with pipeline hazards can cause binary compatibility problems down the road, when new microarchitectures have different pipeline lengths.

Explanation:

With the microarchitectures having divergent lengths of pipeline, by compiler forcing the process with pipeline hazards can result in incompatibility issues.

By consequence, the best explanation for the blank space is pipeline

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