23 lines
487 B
Text
23 lines
487 B
Text
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.text
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.global AckermannFunc
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# Preconditions:
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# 1st parameter ($a0) m
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# 2nd parameter ($a1) n
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# Postconditions:
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# result in ($v0) = value of A(m,n)
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AckermannFunc:
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addi $sp, $sp, -8
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sw $s0, 4($sp)
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sw $ra, 0($sp)
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# move the parameter registers to temporary - no, only when nec.
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LABEL_IF: bne $a0, $zero, LABEL_ELSE_IF
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addi $v0, $a1, 1
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# jump to LABEL_DONE
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j LABEL_DONE
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