APPENDIX A MIPS III INSTRUCTION SET DETAILS
Preliminary Users Manual S15543EJ1V0UM 587
XORI Exclusive OR Immediate XORI
rs

XORI

0 0 1 1 1 0 rt immediate

31 26 25 21 20 16 15 0
655 16
Format:
XORI rt, rs, immediate
Description:
The 16-bit
immediate
is zero-extended and combined with the contents of general register
rs
in a bit-wise logical
exclusive OR operation.
The result is placed into general register
rt.
Operation:
32 T: GPR [rt] GPR [rs] xor (0 16 || immediate)
64 T: GPR [rt] GPR [rs] xor (0 48 || immediate)
Exceptions:
None