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Architecture
136
COPz Coprocessor Operation COPz
31 26 25 24 0
COPz
0100xx*
CO
1
cofun
6 1 25
Format :
COPz cofun
Description :
Performs the operation designated by cofun in coprocessor z. This operation may involve selecting
or accessing internal coprocessor registers or changing the status of the coprocessor condition signal
(CPCOND), but will not modify internal states of the processor or cache/memory system.
Operation :
T: CoprocessorOperation (z, cofun)
Exceptions :
Coprocessor Unusable exception
* Operation Code Bit Encoding :
COPz
1000010
252627282930Bit No.
COP0
31
2526272829
3031Bit No.
COP1
11000
10
Bit No.
COP2
10100
10
2526272829
3031
Bit No.
COP3
1110010
25262728293031
coprocessor sub-opcode (see to Figure A-2 at end of appendix)
coprocessor unit no.
opcode