APPENDIX A MIPS III INSTRUCTION SET DETAILS
Preliminary Users Manual S15543EJ1V0UM 529
MFLO Move From LO MFLO
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
MFLO
0 1 0 0 1 0
5
65
Format:
MFLO rd
Description:
The contents of special register
LO
are loaded into general register
rd
.
To ensure proper operation in the event of interruptions, the two instructions which follow a MFLO instruction may
not be any of the instructions which modify the
LO
register: MULT, MULTU, DIV, DIVU, MTLO, DMULT, DMULTU,
DDIV, DDIVU.
Operation:
32, 64 T: GPR [rd] LO
Exceptions:
None