In VHDL-87, the‘last_valueattribute for a composite signal returns the aggregate of last values for each of the scalar elements of the signal. For example, suppose a bit-vector signalsinitially has the valueB“00”and changes toB“01”and thenB“11”in successive events. After the last e...
FIG. 3 is a flowchart illustrating operation of one embodiment of a control circuit shown in FIG. 2. FIG. 4 is a flowchart illustrating operation of one embodiment of an instruction queue shown in FIG. 2. FIG. 5 is a block diagram of one embodiment of pipelines within execution units sho...
(e.g. taken or not taken, for conditional branches, and/or branch target address predictions, for indirect branches and returns) and speculative operation may be performed based on the prediction. Instructions may be speculatively fetched and processed up to and/or including execution prior to ...
FIG. 3 is a flowchart illustrating operation of one embodiment of a control circuit shown in FIG. 2. FIG. 4 is a flowchart illustrating operation of one embodiment of an instruction queue shown in FIG. 2. FIG. 5 is a block diagram of one embodiment of pipelines within execution units sho...