Lddw Instruction With Long Write Instruction Constraints - Texas Instruments TMS320C67X Reference Manual

Table 4−39. LDDW Instruction With Long Write Instruction Constraints
Cycle
LDDW
Instruction Type
Instruction with long result
Legend: = E1 phase of the single-cycle instruction; R = Sources read for the instruction; W = Destinations written for the
n
instruction; = Next instruction can enter E1 during cycle; Xw = Next instruction cannot enter E1 during cycle-write
constraint
SPRU733
Table 4−39 shows the instruction constraints for LDDW instructions executing
on the .D unit.
1 2
RW
n
Instruction Execution
3 4 5 6
W
Subsequent Same-Unit Instruction Executable
n n Xw n
Functional Unit Constraints
Pipeline 4-55