Compaq 21264, EV67 specifications U U L E L U E E L L E U

Instruction Issue Rules

Table 2–3 Instruction Group Definitions and Pipeline Unit (Continued)

Instruction Class	Slotting	Instruction Class	Slotting
3 2 1 0	3 2 1 0	3 2 1 0	3 2 1 0
E L U U	L L U U	U E L E	U L L U
E U E E	L U L U	U E L L	U U L L
E U E L	L U U L	U E L U	U L L U
E U E U	L U L U	U E U E	U L U L
E U L E	L U L U	U E U L	U L U L
E U L L	U U L L	U E U U	U L U U
E U L U	L U L U	U L E E	U L U L
E U U E	L U U L	U L E L	U L U L
E U U L	L U U L	U L E U	U L L U
E U U U	L U U U	U L L E	U L L U
L E E E	L U L U	U L L L	U L LL
L E E L	L U U L	U L L U	U L L U
L E E U	L U L U	U L U E	U L U L
L E L E	L U L U	U L U L	U L U L
L E L L	L U L L	U L U U	U L U U
L E L U	L U L U	U U E E	U U L L
L E U E	L U U L	U U E L	U U L L
L E U L	L U U L	U U E U	U U L U
L E U U	L L U U	U U L E	U U L L
L L E E	L L U U	U U L L	U U L L
L L E L	L L U L	U U L U	U U L U
L L E U	L L U U	U U U E	U U U L
L L L E	L L L U	U U U L	U U U L
—	—	U U U U	U U U U

Alpha 21264/EV67 Hardware Reference Manual Internal Architecture 2–19