movn
Move if not zero
Copies $t2 into $t1 if $t3 is not zero, without a branch.
Forms
movn , ,
Operands
$t1- Any general-purpose register,
$0to$31, using its numeric or named spelling, such as$8or$t0($zerois$0;$rais$31). $t2- A general-purpose register. It may be the same register as
$t1. $t3- A general-purpose register. It may be the same register as
$t1.
Allows branchless conditional assignment — avoids a branch instruction when you only need to update a register conditionally.
# Set condition to make movn copy its source. Inspect $t2: 7.
li $t1, 7
li $t0, 1
movn $t2, $t1, $t0