check

book.tex

@@ -4841,7 +4841,7 @@ the register allocator.
 \begin{lstlisting}
    (collect |$\itm{bytes}$|)
    |$\Longrightarrow$|
-   (movq (reg 15) (reg rdi))
+   (movq (reg r15) (reg rdi))
    (movq |\itm{bytes}| (reg rsi))
    (callq collect)
 \end{lstlisting}