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bleu

Branch if less or equal unsigned Pseudo-instruction

Branches to label if $t1 is less than or equal to $t2, or an immediate, as unsigned values.

Forms

Operands

$t1
Any general-purpose register, $0 to $31, using its numeric or named spelling, such as $8 or $t0 ($zero is $0; $ra is $31).
$t2
A general-purpose register. It may be the same register as $t1.
label
A named address in the program, such as the start of a loop or a variable in .data.
imm
An immediate value: a signed 16-bit value (-32768 to 32767) or a 32-bit value (-2147483648 to 4294967295). The assembler chooses a supported encoding for the value and other operands; a pseudoinstruction may expand into several instructions. 
# Compare unsigned operands with bleu; the first case is taken and the second falls through. $t2=2 marks taken; $t3=1 marks fall-through.
li $t0, 0
li $t1, 1
li $t2, 0
bleu $t0, $t1, taken_one
li $t2, 1
b first_done # Skip the other marker unconditionally.
 taken_one: li $t2, 2
first_done:
li $t0, 2
li $t1, 1
li $t3, 0
bleu $t0, $t1, taken_two
li $t3, 1
b second_done # Skip the other marker unconditionally.
 taken_two: li $t3, 2
second_done: