Encoding:

POOL16C

010001

rt

rs

OR16

1001

6

3

3

4

Format: 

OR16 rt, rs

microMIPS32

Or (16-bit instr size)

Purpose:

Or (16-bit instr size)

To do a bitwise logical OR

Description: 

 GPR[rt] = GPR[rs] or GPR[rt]

The contents of GPR rs are combined with the contents of GPR rt in a bitwise logical OR operation. The result is placed into GPR rt.

Restrictions:

The 3-bit register fields can only specify GPRs $2-$7, $16, $17.

Availability and Compatibility:

This instruction has been recoded for Release 6.

Operation: 

GPR[rt] = GPR[rs] or GPR[rt]

Exceptions:

None