參數(shù)資料
型號: μPD30181
廠商: NEC Corp.
英文描述: 64-Bit RISC Microprosessor(64位RISC微處理器)
中文描述: 64位RISC Microprosessor(64位的RISC微處理器)
文件頁數(shù): 46/68頁
文件大?。?/td> 270K
代理商: ΜPD30181
46
μ
PD30700,30700L,30710
Table 6-4. CPU Instruction Set: MIPS IV
Instruction
Description
Format
3-operand type instruction
op
rs
rt
rd
sa
funct
MOVN
Move Conditional On Not Zero
MOVN
rd, rs, rt
MOVZ
Move Conditional On Zero
MOVZ
rd, rs, rt
Prefetch instruction
op
base
hint
offset
PREF
Prefetch
PREF
hint, offset (base)
6.3 FPU Instruction Set List
All the FPU instructions are 32 bits long and located at a word boundary.
Tables 6-5 through 6-8 list the FPU instruction set.
Table 6-5. FPU Instruction Set: MIPS I
Instruction
Description
Format
Load/store instruction
op
base
ft
offset
LWC1
Load Word To FPU
LWC1
ft, offset (base)
SWC1
Store Word From FPU
SWC1
ft, offset (base)
Transfer instruction
COP1
sub
rt
fs
0
MTC1
Move Word To FPU
MTC1
rt, fs
MFC1
Move Word From FPU
MFC1
rt, fs
CTC1
Move Control Word To FPU
CTC1
rt, fs
CFC1
Move Control Word From FPU
CFC1
rt, fs
Conversion instruction
COP1
fmt
0
fs
fd
funct
CVT.S.fmt
Floating-point Convert To Single Floating-point Format
CVT.S.fmt
fd, fs
CVT.D.fmt
Floating-point Convert To Double Floating-point Format
CVT.D.fmt
fd, fs
CVT.W.fmt
Floating-point Convert To Single Fixed-point Format
CVT.W.fmt
fd, fs
Operation instruction
COP1
fmt
ft
fs
fd
funct
ADD.fmt
Floating-point Add
ADD.fmt
fd, fs, ft
SUB.fmt
Floating-point Subtract
SUB.fmt
fd, fs, ft
MUL.fmt
Floating-point Multiply
MUL.fmt
fd, fs, ft
DIV.fmt
Floating-point Divide
DIV.fmt
fd, fs, ft
ABS.fmt
Floating-point Absolute Value
ABS.fmt
fd, fs
MOV.fmt
Floating-point Move
MOV.fmt
fd, fs
NEG.fmt
Floating-point Negate
NEG.fmt
fd, fs
Compare instruction
COP1
fmt
ft
fs
cc
0
funct
C.cond.fmt
Floating-point Compare
C.cond.fmt
cc, fs, ft
FPU branch instruction
COP1
BC
cc
0
offset
BC1T
Branch On FPU True
BC1T
cc, offset
BC1F
Branch On FPU False
BC1F
cc, offset
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