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Instruction Execution Timing
MOTOROLA M68060 USER’S MANUAL 10-15
each memory indirect address to the numbers in Table 10-6 and Table 10-7.The execution
times for the MOVE16 instruction are shown in Table 10-8.
1 These execution times assume cache misses for both read and write MOVE16
accesses. Execution times are 11(1/1) if the read access hits in the operand data
cache. Note, for this instruction the operand read/write refers to a line-sized transfer.
Table 10-6. Move Byte and Word Execution Times
Source Destination
Dn An (An) (An)+ –(An) (d16,An) (d8,An,XiSF) (bd,An,XiSF) (xxx).WL
Dn 1(0/0) 1(0/0) 1(0/1) 1(0/1) 1(0/1) 1(0/1) 1(0/1) 2(0/1) 1(0/1)
An 1(0/0) 1(0/0) 1(0/1) 1(0/1) 1(0/1) 1(0/1) 1(0/1) 2(0/1) 1(0/1)
(An) 1(1/0) 1(1/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
(An)+ 1(1/0) 1(1/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
–(An) 1(1/0) 1(1/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
(d16,An) 1(1/0) 1(1/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
(d8,An,XiSF) 1(1/0) 1(1/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
(bd,An,XiSF) 2(1/0) 2(1/0) 3(1/1) 3(1/1) 3(1/1) 3(1/1) 3(1/1) 4(1/1) 3(1/1)
(xxx).W 1(1/0) 1(1/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
(xxx).L 1(1/0) 1(1/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
(d16,PC) 1(1/0) 1(1/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
(d8,PC,XiSF) 1(1/0) 1(1/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
(bd,PC,XiSF) 2(1/0) 2(1/0) 3(1/1) 3(1/1) 3(1/1) 3(1/1) 3(1/1) 4(1/1) 3(1/1)
#<data> 1(0/0) 1(0/0) 1(0/1) 1(0/1) 1(0/1) 2(0/1) 2(0/1) 3(0/1) 2(0/1)
Table 10-7. Move Long Execution Times
Source Destination
Dn An (An) (An)+ –(An) (d16,An) (d8,An,XiSF) (bd,An,XiSF) (xxx).WL
Dn 1(0/0) 1(0/0) 1(0/1) 1(0/1) 1(0/1) 1(0/1) 1(0/1) 2(0/1) 1(0/1)
An 1(0/0) 1(0/0) 1(0/1) 1(0/1) 1(0/1) 1(0/1) 1(0/1) 2(0/1) 1(0/1)
(An) 1(1/0) 1(1/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
(An)+ 1(1/0) 1(1/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
–(An) 1(1/0) 1(1/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
(d16,An) 1(1/0) 1(1/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
(d8,An,XiSF) 1(1/0) 1(1/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
(bd,An,XiSF) 2(1/0) 2(1/0) 3(1/1) 3(1/1) 3(1/1) 3(1/1) 3(1/1) 4(1/1) 3(1/1)
(xxx).W 1(1/0) 1(1/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
(xxx).L 1(1/0) 1(1/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
(d16,PC) 1(1/0) 1(1/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
(d8,PC,XiSF) 1(1/0) 1(1/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
(bd,PC,XiSF) 2(1/0) 2(1/0) 3(1/1) 3(1/1) 3(1/1) 3(1/1) 3(1/1) 4(1/1) 3(1/1)
#<data> 1(0/0) 1(0/0) 1(0/1) 1(0/1) 1(0/1) 2(0/1) 2(0/1) 3(0/1) 2(0/1)
Table 10-8. MOVE16 Execution Times
Source Destination
(Ax) (Ax)+ (xxx).L
(Ay) 18(1/1)1
(Ay)+ 18(1/1)118(1/1)1
(xxx).L 18(1/1)118(1/1)1
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