import ast

def process(node):
  dest = ast.nextPRegister()
  compareOperation = node.ops[0][0]
  ast.outputInBlock( "%s = new %s" % ( dest, "PyBoolean" ) )
  label1 = ast.nextLabel()
  label2 = ast.nextLabel()
  
  if compareOperation == "==":
    ast.outputInBlock( "ne %s, %s, %s" % ( ast.evaluate(node.expr), ast.evaluate(node.ops[0][1]), label1 ) )
    ast.outputInBlock( "%s = %s" % ( dest, "1" ) )
    ast.outputInBlock( "branch %s" % ( label2 ) )
    ast.outputLabel( label1 )
    ast.outputInBlock( "%s = %s" % ( dest, "0" ) )
    ast.outputLabel( label2 )
  elif compareOperation == "!=":
    ast.outputInBlock( "ne %s, %s, %s" % ( ast.evaluate(node.expr), ast.evaluate(node.ops[0][1]), label1 ) )
    ast.outputInBlock( "%s = %s" % ( dest, "0" ) )
    ast.outputInBlock( "branch %s" % ( label2 ) )
    ast.outputLabel( label1 )
    ast.outputInBlock( "%s = %s" % ( dest, "1" ) )
    ast.outputLabel( label2 )
  elif compareOperation == ">":
    ast.outputInBlock( "gt %s, %s, %s" % ( ast.evaluate(node.expr), ast.evaluate(node.ops[0][1]), label1 ) )
    ast.outputInBlock( "%s = %s" % ( dest, "0" ) )
    ast.outputInBlock( "branch %s" % ( label2 ) )
    ast.outputLabel( label1 )
    ast.outputInBlock( "%s = %s" % ( dest, "1" ) )
    ast.outputLabel( label2 )
  elif compareOperation == "<":
    ast.outputInBlock( "ge %s, %s, %s" % ( ast.evaluate(node.expr), ast.evaluate(node.ops[0][1]), label1 ) )
    ast.outputInBlock( "%s = %s" % ( dest, "1" ) )
    ast.outputInBlock( "branch %s" % ( label2 ) )
    ast.outputLabel( label1 )
    ast.outputInBlock( "%s = %s" % ( dest, "0" ) )
    ast.outputLabel( label2 )
  elif compareOperation == ">=":
    ast.outputInBlock( "ge %s, %s, %s" % ( ast.evaluate(node.expr), ast.evaluate(node.ops[0][1]), label1 ) )
    ast.outputInBlock( "%s = %s" % ( dest, "0" ) )
    ast.outputInBlock( "branch %s" % ( label2 ) )
    ast.outputLabel( label1 )
    ast.outputInBlock( "%s = %s" % ( dest, "1" ) )
    ast.outputLabel( label2 )
  elif compareOperation == "<=":
    ast.outputInBlock( "gt %s, %s, %s" % ( ast.evaluate(node.expr), ast.evaluate(node.ops[0][1]), label1 ) )
    ast.outputInBlock( "%s = %s" % ( dest, "1" ) )
    ast.outputInBlock( "branch %s" % ( label2 ) )
    ast.outputLabel( label1 )
    ast.outputInBlock( "%s = %s" % ( dest, "0" ) )
    ast.outputLabel( label2 )
  return dest