invoke.texi (Optimize Options): Document -frename-registers not being enabled by default at -O3.

	* doc/invoke.texi (Optimize Options): Document -frename-registers
	not being enabled by default at -O3.

From-SVN: r84546

gcc/ChangeLog

+2004-07-12  Ben Elliston  <bje@au.ibm.com>
+
+	* doc/invoke.texi (Optimize Options): Document -frename-registers
+	not being enabled by default at -O3.
+
 2004-07-11  Roger Sayle  <roger@eyesopen.com>
 
 	* fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for

gcc/doc/invoke.texi

@@ -3842,8 +3842,7 @@ invoking @option{-O2} on programs that use computed gotos.
 @opindex O3
 Optimize yet more.  @option{-O3} turns on all optimizations specified by
 @option{-O2} and also turns on the @option{-finline-functions},
-@option{-fweb}, @option{-frename-registers}
-and @option{-fgcse-after-reload} options.
+@option{-fweb} and @option{-fgcse-after-reload} options.
 
 @item -O0
 @opindex O0