juvix/tests/Asm/positive/test011.jva

-- tail recursion

function sum'(integer, integer) : integer {
  push arg[0];
  push 0;
  eq;
  br {
    true: { push arg[1]; ret; }
    false: {
      push arg[1];
      push arg[0];
      add;
      push 1;
      push arg[0];
      sub;
      tcall sum';
    }
  };
}

function sum(integer) : integer {
  push 0;
  push arg[0];
  tcall sum';
}

function fact'(integer, integer) : integer {
  push arg[0];
  push 0;
  eq;
  br {
    true: { push arg[1]; ret; }
    false: {
      push arg[0];
      push arg[1];
      mul;
      push 1;
      push arg[0];
      sub;
      tcall fact';
    }
  };
}

function fact(integer) : integer {
  push 1;
  push arg[0];
  tcall fact';
}

function main() {
  push 1000;
  call sum;
  trace;
  pop;
  push 5;
  call fact;
  trace;
  pop;
  push 10;
  call fact;
  trace;
  pop;
  push 12;
  tcall fact;
}