Compaq 21264 User Manual
Page 271

Alpha 21264/EV67 Hardware Reference Manual
Alpha Instruction Set
A–5
Alpha Instruction Summary
FCMOVGT
F-P
17.02F
FCMOVE if > zero
FCMOVLE
F-P
17.02E
FCMOVE if
≤
zero
FCMOVLT
F-P
17.02C
FCMOVE if < zero
FCMOVNE F-P
17.02B
FCMOVE if
≠
zero
FETCH
Mfc
18.8000 Prefetch data
FETCH_M
Mfc
18.A000 Prefetch data, modify intent
FTOIS
F-P
1C.78
Floating to integer move, S_floating
FTOIT
F-P
1C.70
Floating to integer move, T_floating
IMPLVER
Opr
11.6C
Implementation version
INSBL
Opr
12.0B
Insert byte low
INSLH
Opr
12.67
Insert longword high
INSLL
Opr
12.2B
Insert longword low
INSQH
Opr
12.77
Insert quadword high
INSQL
Opr
12.3B
Insert quadword low
INSWH
Opr
12.57
Insert word high
INSWL
Opr
12.1B
Insert word low
ITOFF
F-P
14.014
Integer to floating move, F_floating
ITOFS
F-P
14.004
Integer to floating move, S_floating
ITOFT
F-P
14.024
Integer to floating move, T_floating
JMP
Mbr
1A.0
Jump
JSR
Mbr
1A.1
Jump to subroutine
JSR_COROUTINE Mbr
1A.3
Jump to subroutine return
LDA
Mem
08
Load address
LDAH
Mem
09
Load address high
LDBU
Mem
0A
Load zero-extended byte
LDF
Mem
20 Load
F_floating
LDG
Mem
21
Load G_floating
LDL
Mem
28
Load sign-extended longword
LDL_L
Mem
2A
Load sign-extended longword locked
LDQ
Mem
29
Load quadword
LDQ_L
Mem
2B
Load quadword locked
LDQ_U
Mem
0B
Load unaligned quadword
Table A–2 Architecture Instructions (Continued)
Mnemonic
Format
Opcode
Description