Functional Unit Constraints
4-53PipelineSPRU733
Table 4−37 shows the instruction constraints for store instructions executing
on the .D unit.
Table 4−37. Store .D-Unit Instruction Constraints
Instruction Execution
Cycle 1 2 3 4
Store RW
Instruction Type
Subsequent Same-Unit Instruction Executable
Single-cycle
Load
Store
Instruction Type
Same Side, Different Unit, Both Using Cross Path Executable
16 × 16 multiply
MPYI
MPYID
MPYDP
Single-cycle
DP compare
2-cycle DP
Branch
4-cycle
INTDP
ADDDP/SUBDP
Legend: = E1 phase of the single-cycle instruction; R = Sources read for the instruction; W = Destinations written for the
instruction;
= Next instruction can enter E1 during cycle
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