[MIPS] MIPS Instruction Summary

①  Arithmetic instruction

Format	Instruction	Format	Meaning
R	ADD	ADD  rd, rs, rt	rd ← rs+ rt
R	SUB	SUB  rd, rs, rt	rd ← rs - rt
I	ADDI	ADDI rt, rs, imm16	rt ← rs + se(imm16)
R	SLT	SLT rd, rs, rt	rd ← (rs<rt)?1:0
I	SLTI	SLTI  rt, rs, imm16	rt ← (rs<se(imm16))?1:0

 

 

②  Logical instruction

Format	Instruction	Format	Meaning
R	AND	AND  rd, rs, rt
R	OR	OR. rd, rs, rt
I	ANDI	ANDI  rt, rs, imm16	rt ←.rs & ze(imm16)
R	NOR	NOR  rd, rs, rt
R	SLL	SLL  rd, rs, shamt
R	SRL	SRL  rd, rs, shamt

 

③  Data trasfer instruction

Format	Instruction	Format	Meaning
I	LW	LW rt, imm16(rs)	rt ← M[rs+se(imm16)]
I	SW	SW rt, imm16(rs)	M[rs+se(imm16)] ← rt

 

④  Control transfer instruction

Format	Instruction	Format	Meaning
I	BEQ	BEQ  rs, rt imm16	if (rs == rt) PC ← PC+se(imm16)*4
I	BNE	BNE  rs, rt, imm16	if (rs != rt) PC ← PC+se(imm16)*4
R	JR	JR  rs	PC ← rs
J	JAL	JAL imm26	$ra ← PC + 4; PC ← imm26*4
J	J	J     imm26	PC ← imm26*4

 

 

 

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