JargonFile/entries/fence.txt
2014-04-26 16:54:15 +01:00

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fence
Any technique, usually exploiting knowledge about the compiler, that blocks
certain optimizations. Used when explicit mechanisms are not available or
are overkill. Typically a hack: I call a dummy procedure there to force a
flush of the optimizer's register-coloring info can be expressed by the
shorter That's a fence procedure.