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Instruction Execution Timing
Table 10-1. Superscalar OEP Dispatch Test Algorithm
Contents of pOEP
pOEP | sOEP
pOEP | sOEP
pOEP | sOEP
pOEP | sOEP
pOEP-only
pOEP-only
pOEP-only
pOEP-only
pOEP-until-last
pOEP-until-last
pOEP-until-last
pOEP-until-last
pOEP-but allows-sOEP
pOEP-but allows-sOEP
pOEP-but allows-sOEP
pOEP-but allows-sOEP
Table 10-2, Table 10-3, and Table 10-4 define the classification for the entire instruction set.
The notation "–(Ax)+" indicates <ea> = {(Ax), (Ax)+, –(Ax)}.
Table 10-2. MC68060 Superscalar Classification
Mnemonic
ABCD
ADD
ADDA
ADDI,Dx
ADDI,–(Ax)+
Remaining ADDI
ADDQ
ADDX
AND
ANDI,Dx
ANDI,–(Ax)+
Remaining ANDI
ANDI to CCR
ASL
ASR
Bcc
BCHG Dy,
BCHG #<imm>,
BCLR Dy,
BCLR #<imm>,
BFCHG
BFCLR
10-4
Contents of sOEP
pOEP | sOEP
pOEP-only
pOEP-until-last
pOEP-but-allows-sOEP
—
pOEP | sOEP
pOEP-only
pOEP-until-last
pOEP-but-allows-sOEP
—
pOEP | sOEP
pOEP-only
pOEP-until-last
pOEP-but-allows-sOEP
—
pOEP | sOEP
pOEP-only
pOEP-until-last
pOEP-but-allows-sOEP
of M680x0 Integer Instructions
Instruction
Add Decimal with Extend
Add
Add Address
Add Immediate
"
"
Add Quick
Add Extended
AND Logical
AND Immediate
"
"
AND Immediate to Condition Codes
Arithmetic Shift Left
Arithmetic Shift Right
Branch Conditionally
Test a Bit and Change
"
Test a Bit and Clear
"
Test Bit Field and Change
Test Bit Field and Clear
M68060 USER'S MANUAL
Dispatch Algorithm
Test 2 is successful
Test 2 fails
Test 2 fails
Test 2 fails
—
Test 2 fails
Test 2 fails
Test 2 fails
Test 2 fails
—
Test 2 is successful
Test 2 fails
Test 2 fails
Test 2 fails
—
Test 2 is successful
Test 2 fails
Test 2 fails
Test 2 fails
pOEP-only
pOEP | sOEP
pOEP | sOEP
pOEP | sOEP
pOEP | sOEP
pOEP-until-last
pOEP | sOEP
pOEP-only
pOEP | sOEP
pOEP | sOEP
pOEP | sOEP
pOEP-until-last
pOEP-only
pOEP | sOEP
pOEP | sOEP
pOEP-only
pOEP-only
pOEP-until-last
pOEP-only
pOEP-until-last
pOEP-only
pOEP-only
—
—
—
Superscalar Classification
1
MOTOROLA
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