* invoke.texi: Document --param max-gcse-memory.

From-SVN: r41308

gcc/ChangeLog

+2001-04-12  Mark Mitchell  <mark@codesourcery.com>
+
+	* invoke.texi: Document --param max-gcse-memory.
+
 2001-04-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* configure.in (errno): Check for declaration.

gcc/invoke.texi

@@ -3317,6 +3317,12 @@ In each case, the @var{value} is a integer.  The allowable choices for
 If an function contains more than this many instructions, it
 will not be inlined.  This option is precisely equivalent to
 @samp{-finline-limit}.
+
+@item max-gcse-memory
+The approximate maximum amount of memory that will be allocated in
+order to perform the global common subexpression elimination
+optimization.  If more memory than specified is required, the
+optimization will not be done.
 @end table
 
 @end table