Compaq 21264 Hardware Reference Manual page 47

Table 2–3 Instruction Group Definitions and Pipeline Unit (Continued)
Instruction Class
3 2 1 0
E L U U
E U E E
E U E L
E U E U
E U L E
E U L L
E U L U
E U U E
E U U L
E U U U
L E E E
L E E L
L E E U
L E L E
L E L L
L E L U
L E U E
L E U L
L E U U
L L E E
L L E L
L L E U
L L L E
—
Alpha 21264/EV67 Hardware Reference Manual
Slotting Instruction Class
3 2 1 0 3 2 1 0
L L U U U E L E
L U L U U E L L
L U U L U E L U
L U L U U E U E
L U L U U E U L
U U L L U E U U
L U L U U L E E
L U U L U L E L
L U U L U L E U
L U U U U L L E
L U L U U L L L
L U U L U L L U
L U L U U L U E
L U L U U L U L
L U L L U L U U
L U L U U U E E
L U U L U U E L
L U U L U U E U
L L U U U U L E
L L U U U U L L
L L U L U U L U
L L U U U U U E
L L L U U U U L
— U U U U
Instruction Issue Rules
Slotting
3 2 1 0
U L L U
U U L L
U L L U
U L U L
U L U L
U L U U
U L U L
U L U L
U L L U
U L L U
U L LL
U L L U
U L U L
U L U L
U L U U
U U L L
U U L L
U U L U
U U L L
U U L L
U U L U
U U U L
U U U L
U U U U
Internal Architecture
2–19