Electronics America Network Cables User Manual

APPENDIX A MIPS III INSTRUCTION SET DETAILS
528
Preliminary User’s Manual S15543EJ1V0UM
MFHI
Move From HI
MFHI
0
0 0 0 0 0 0 0 0 0 0
SPECIAL
0 0 0 0 0 0
31 26 25 11 1016 15 0
610 56
rd
0
0 0 0 0 0
MFHI
0 1 0 0 0 0
5
65
Format:
MFHI rd
Description:
The contents of special register
HI are loaded into general register rd .
To ensure proper operation in the event of interruptions, the two instructions which follow a MFHI instruction may
not be any of the instructions which modify the HI register: MULT, MULTU, DIV, DIVU, MTHI, DMULT, DMULTU,
DDIV, DDIVU.
Operation:
32, 64 T:
GPR [rd] ← HI
Exceptions:
None