invoke.texi: (dump-rtl-ree): Fix typo and clarify ree handles both zero and sign extension.

        * doc/invoke.texi: (dump-rtl-ree): Fix typo and clarify ree
        handles both zero and sign extension.

From-SVN: r206139

gcc/ChangeLog

+2013-12-19  Jeff Law  <law@redhat.com>
+
+	* doc/invoke.texi: (dump-rtl-ree): Fix typo and clarify ree
+	handles both zero and sign extension.
+
 2013-12-19  Teresa Johnson  <tejohnson@google.com>
 
 	PR gcov-profile/59542

gcc/doc/invoke.texi

@@ -5978,9 +5978,9 @@ Dump after generating the function prologues and epilogues.
 @option{-fdump-rtl-sched1} and @option{-fdump-rtl-sched2} enable dumping
 after the basic block scheduling passes.
 
-@item -fdump-rtl-see
-@opindex fdump-rtl-see
-Dump after sign extension elimination.
+@item -fdump-rtl-ree
+@opindex fdump-rtl-ree
+Dump after sign/zero extension elimination.
 
 @item -fdump-rtl-seqabstr
 @opindex fdump-rtl-seqabstr