[x86-64 psABI]: PATCH: Clarify aggregate with X87UP

[H.J. Lu]

Hi,

x86-64 psABI isn't very clear how X87UP should be handled
in post merger cleanup. This patch clarifies post merger cleanup for
aggregate with X87UP is not preceded by X87.


-- 
H.J.
----
2009-02-03  H.J. Lu  <hongjiu...@intel.com>

        * low-level-sys-info.tex: Clarify post merger cleanup for
        aggregate with X87UP is not preceded by X87.

2009-02-03  H.J. Lu  <hongjiu...@intel.com>

        * low-level-sys-info.tex: Clarify post merger cleanup for
        aggregate with X87UP is not preceded by X87.

Index: low-level-sys-info.tex
===================================================================
--- low-level-sys-info.tex      (revision 5122)
+++ low-level-sys-info.tex      (revision 5135)
@@ -452,7 +452,9 @@ types works as follows:
 \item Then a post merger cleanup is done:
   \begin{enumerate}
   \item If one of the classes is MEMORY, the whole argument is passed in 
memory.
-  \item If SSEUP is not preceeded by SSE, it is converted to SSE.
+  \item If X87UP is not preceded by X87, the whole argument is passed in
+    memory.
+  \item If SSEUP is not preceded by SSE, it is converted to SSE.
   \end{enumerate}
 \end{enumerate}