[NDS32][DOC] Remove -mforce-fp-as-gp, -mforbid-fp-as-gp, and -mex9 options from documentation.

gcc/
	* doc/invoke.texi (NDS32 Options): Remove -mforce-fp-as-gp,
	-mforbid-fp-as-gp, and -mex9 options.

From-SVN: r219707

gcc/ChangeLog

 2015-01-16  Chung-Ju Wu  <jasonwucj@gmail.com>
 
+	* doc/invoke.texi (NDS32 Options): Remove -mforce-fp-as-gp,
+	-mforbid-fp-as-gp, and -mex9 options.
+
+2015-01-16  Chung-Ju Wu  <jasonwucj@gmail.com>
+
 	* doc/invoke.texi (NDS32 Options): Add -mcmodel= option and
 	remove -mgp-direct option.
 

gcc/doc/invoke.texi

@@ -865,8 +865,7 @@ Objective-C and Objective-C++ Dialects}.
 -mcache-block-size=@var{num} @gol
 -march=@var{arch} @gol
 -mcmodel=@var{code-model} @gol
--mforce-fp-as-gp -mforbid-fp-as-gp @gol
--mex9 -mctor-dtor -mrelax}
+-mctor-dtor -mrelax}
 
 @emph{Nios II Options}
 @gccoptlist{-G @var{num} -mgpopt=@var{option} -mgpopt -mno-gpopt @gol
@@ -19181,21 +19180,6 @@ addressing space.
 All the text and data segments can be within 4GB addressing space.
 @end table
 
-@item -mforce-fp-as-gp
-@opindex mforce-fp-as-gp
-Prevent $fp being allocated during register allocation so that compiler
-is able to force performing fp-as-gp optimization.
-
-@item -mforbid-fp-as-gp
-@opindex mforbid-fp-as-gp
-Forbid using $fp to access static and global variables.
-This option strictly forbids fp-as-gp optimization
-regardless of @option{-mforce-fp-as-gp}.
-
-@item -mex9
-@opindex mex9
-Use special directives to guide linker doing ex9 optimization.
-
 @item -mctor-dtor
 @opindex mctor-dtor
 Enable constructor/destructor feature.