Datasheet
Chapter 2. ColdFire Core 2-27
Execution Timings
2.7.3 Execution Timings—Two-Operand Instructions
Table 2-15 shows standard timings for two-operand instructions.
Table 2-14. One-Operand Instruction Execution Times
Opcode <ea>
Effective Address
Rn (An) (An)+ -(An) (d16,An) (d8,An,Xi*SF) (xxx).wl #xxx
clr.b <ea> 1(0/0) 1(0/1) 1(0/1) 1(0/1) 1(0/1) 2(0/1) 1(0/1) —
clr.w <ea> 1(0/0) 1(0/1) 1(0/1) 1(0/1) 1(0/1) 2(0/1) 1(0/1) —
clr.l <ea> 1(0/0) 1(0/1) 1(0/1) 1(0/1) 1(0/1) 2(0/1) 1(0/1) —
ext.w Dx 1(0/0) — — — — — — —
ext.l Dx 1(0/0) — — — — — — —
extb.l Dx 1(0/0) — — — — — — —
neg.l Dx 1(0/0) — — — — — — —
negx.l Dx 1(0/0) — — — — — — —
not.l Dx 1(0/0) — — — — — — —
sats.l Dx 1(0/0) — — — — — — —
scc Dx 1(0/0) — — — — — — —
swap Dx 1(0/0) — — — — — — —
tas <ea> 1(1/1) 1(1/1) 1(1/1) 1(1/1) 1(1/1) 2(1/1) 1(1/1) —
tst.b <ea> 1(0/0) 1(1/0) 1(1/0) 1(1/0) 1(1/0) 2(1/0) 1(1/0) 1(0/0)
tst.w <ea> 1(0/0) 1(1/0) 1(1/0) 1(1/0) 1(1/0) 2(1/0) 1(1/0) 1(0/0)
tst.l <ea> 1(0/0) 1(1/0) 1(1/0) 1(1/0) 1(1/0) 2(1/0) 1(1/0) 1(0/0)
Table 2-15. Two-Operand Instruction Execution Times
Opcode <ea>
Effective Address
Rn (An) (An)+ -(An) (d16,An) (d8,An,Xi*SF) (xxx).wl #<xxx>
add.l <ea>,Rx 1(0/0) 1(1/0) 1(1/0) 1(1/0) 1(1/0) 2(1/0) 1(1/0) 1(0/0)
add.l Dy,<ea> — 1(1/1) 1(1/1) 1(1/1) 1(1/1) 2(1/1) 1(1/1) —
addi.l #imm,Dx 1(0/0) — — — — — — —
addq.l #imm,<ea> 1(0/0) 1(1/1) 1(1/1) 1(1/1) 1(1/1) 2(1/1) 1(1/1) —
addx.l Dy,Dx 1(0/0) — — — — — — —
and.l <ea>,Rx 1(0/0) 1(1/0) 1(1/0) 1(1/0) 1(1/0) 2(1/0) 1(1/0) 1(0/0)
and.l Dy,<ea> — 1(1/1) 1(1/1) 1(1/1) 1(1/1) 2(1/1) 1(1/1) —
andi.l #imm,Dx 1(0/0) — — — — — — —
asl.l <ea>,Dx 1(0/0) — — — — — — 1(0/0)
asr.l <ea>,Dx 1(0/0) — — — — — — 1(0/0)
bchg Dy,<ea> 2(0/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1) —
