Compaq 21264 User Manual
Page 272

A–6
Alpha Instruction Set
Alpha 21264/EV67 Hardware Reference Manual
Alpha Instruction Summary
LDS
Mem
22 Load
S_floating
LDT
Mem
23 Load
T_floating
LDWU
Mem
0C
Load zero-extended word
MAXSB8
Opr
1C.3E
Vector signed byte maximum
MAXSW4
Opr
1C.3F
Vector signed word maximum
MAXUB8
Opr
1C.3C
Vector unsigned byte maximum
MAXUW4
Opr
1C.3D
Vector unsigned word maximum
MB
Mfc
18.4000 Memory barrier
MF_FPCR
F-P
17.025
Move from FPCR
MINSB8
Opr
1C.38
Vector signed byte minimum
MINSW4
Opr
1C.39
Vector signed word minimum
MINUB8
Opr
1C.3A
Vector unsigned byte minimum
MINUW4
Opr
1C.3B
Vector unsigned word minimum
MSKBL
Opr
12.02
Mask byte low
MSKLH
Opr
12.62
Mask longword high
MSKLL
Opr
12.22
Mask longword low
MSKQH
Opr
12.72
Mask quadword high
MSKQL
Opr
12.32
Mask quadword low
MSKWH
Opr
12.52
Mask word high
MSKWL
Opr
12.12
Mask word low
MT_FPCR
F-P
17.024
Move to FPCR
MULF F-P
15.082
Multiply
F_floating
MULG
F-P
15.0A2 Multiply G_floating
MULL
Opr
13.00
Multiply longword
MULL/V
Opr
13.40
Multiply longword with integer overflow enable
MULQ
Opr
13.20
Multiply quadword
MULQ/V
Opr
13.60
Multiply quadword with integer overflow enable
MULS
F-P
16.082 Multiply
S_floating
MULT
F-P
16.0A2 Multiply T_floating
ORNOT
Opr
11.28
Logical sum with complement
PERR
Opr
1C.31
Pixel error
PKLB
Opr
1C.37
Pack longwords to bytes
Table A–2 Architecture Instructions (Continued)
Mnemonic
Format
Opcode
Description