bltzal

Operands

$reg, id

Branch on less than zero and link : Branches to 'label' if $t1 < 0 (signed), and saves the return address (PC + 4) in $ra. Combines a conditional branch with a function call. Use 'jr $ra' to return.

Variants

Branch on less than zero and link : Branches to 'label' if $t1 < 0 (signed), and saves the return address (PC + 4) in $ra. Combines a conditional branch with a function call. Use 'jr $ra' to return. bltzal $t1,label

# Run bltzal with one true and one false condition. A taken branch skips the assignment of 1; inspect $t2=2 for taken and $t3=1 for fall-through.
li $t0, -2
li $t2, 0
bltzal $t0, taken_one
li $t2, 1
b first_done # Skip the other marker unconditionally.
 taken_one: li $t2, 2
first_done:
li $t0, 2
li $t3, 0
bltzal $t0, taken_two
li $t3, 1
b second_done # Skip the other marker unconditionally.
 taken_two: li $t3, 2
second_done:
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