
APPENDIX A MIPS III INSTRUCTION SET DETAILS
Preliminary User’s Manual S15543EJ1V0UM
585
TNEI
Trap If Not Equal Immediate
TNEI
rs
REGIMM
0 0 0 0 0 1
TNEI
0 1 1 1 0
immediate
31 26 25 21 20 16 15 0
655 16
Format:
TNEI rs, immediate
Description:
The 16-bit
immediate
is sign-extended and compared to the contents of general register
rs
. If the contents of
general register
rs
are not equal to the sign-extended
immediate
, a trap exception occurs.
Operation:
32 T: if GPR [rs]
≠
(immediate
15
)
16
|| immediate
15...0
then
TrapException
endif
64 T: if GPR [rs]
≠
(immediate
15
)
48
|| immediate
15...0
then
TrapException
endif
Exceptions:
Trap exception
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