static inline void gen_stack_update(DisasContext *s, int addend)
{
    gen_op_add_reg_im(mo_stacksize(s), R_ESP, addend);
}

The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.