Mill Computing, Inc. Forums The Mill Architecture Introduction to the Mill CPU Programming Model Reply To: Introduction to the Mill CPU Programming Model

Veedrac
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By far the most of the operations in the Mill instruction set can be speculated. What this means is, if an operand to the operation is None or Nar, all the operation does is to make the result None or NaR, or combine the status flags in the case of floating point operations in the result. This is even true for the load operation.

From http://millcomputing.com/wiki/Speculation#None_and_NaR