-fuse-caller-save - Add command line option

2014-04-24  Radovan Obradovic  <robradovic@mips.com>
            Tom de Vries  <tom@codesourcery.com>

	* common.opt (fuse-caller-save): New option.

Co-Authored-By: Tom de Vries <tom@codesourcery.com>

From-SVN: r209743

gcc/ChangeLog

+2014-04-24  Radovan Obradovic  <robradovic@mips.com>
+            Tom de Vries  <tom@codesourcery.com>
+
+	* common.opt (fuse-caller-save): New option.
+
 2014-04-24  Tejas Belagod  <tejas.belagod@arm.com>
 
 	* config/aarch64/aarch64.c (aarch64_evpc_tbl): Reverse order of elements

gcc/common.opt

@@ -2703,4 +2703,8 @@ Create a position independent executable
 z
 Driver Joined Separate
 
+fuse-caller-save
+Common Report Var(flag_use_caller_save) Optimization
+Use caller save register across calls if possible
+
 ; This comment is to ensure we retain the blank line above.