MIPS指令集

rs

rt

immediate

beq $1,$2,10

if($1==$2)
goto PC+4+40

if (rs == rt) PC <- PC+4 + (sign-extend)immediate<<2

bne

000101

rs

rt

immediate

bne $1,$2,10

if($1!=$2)
goto PC+4+40

if (rs != rt) PC <- PC+4 + (sign-extend)immediate<<2

slti

001010

rs

rt

immediate

slti $1,$2,10

if($2<10)
$1=1 else
$1=0

if (rs <(sign-extend)immediate) rt=1 else rt=0 ；
其中rs＝$2，rt=$1

sltiu

001011

rs

rt

immediate

sltiu $1,$2,10

if($2<10)
$1=1 else
$1=0

if (rs <(zero-extend)immediate) rt=1 else rt=0 ；
其中rs＝$2，rt=$1

J-type

op

address

j

000010

address

j 10000

goto 10000

PC <- (PC+4)[31…28],address,0,0 ；address=10000/4

jal

000011

address

jal 10000

$31<-PC+4;
goto 10000

$31<-PC+4；PC <- (PC+4)[31…28],address,0,0
；address=10000/4