darwin.h (STARTING_FRAME_OFFSET): Set to 0 for FRAME_GROWS_DOWNWARD.

2005-06-30  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/darwin.h (STARTING_FRAME_OFFSET):
        Set to 0 for FRAME_GROWS_DOWNWARD.
        (REGISTER_NAMES): Add sfp.

From-SVN: r101495

gcc/ChangeLog

+2005-06-30  Andrew Pinski  <pinskia@physics.uc.edu>
+
+	* config/rs6000/darwin.h (STARTING_FRAME_OFFSET):
+	Set to 0 for FRAME_GROWS_DOWNWARD.
+	(REGISTER_NAMES): Add sfp.
+
 2005-07-01  Kelley Cook  <kcook@gcc.gnu.org>
 
 	* config/arm/libunwind.S, config/arm/pr-support.c,

gcc/config/rs6000/darwin.h

@@ -161,9 +161,11 @@ do {									\
 
 #undef STARTING_FRAME_OFFSET
 #define STARTING_FRAME_OFFSET						\
-  (RS6000_ALIGN (current_function_outgoing_args_size, 16)		\
-   + RS6000_VARARGS_AREA						\
-   + RS6000_SAVE_AREA)
+  (FRAME_GROWS_DOWNWARD							\
+   ? 0									\
+   : (RS6000_ALIGN (current_function_outgoing_args_size, 16)		\
+      + RS6000_VARARGS_AREA						\
+      + RS6000_SAVE_AREA))
 
 #undef STACK_DYNAMIC_OFFSET
 #define STACK_DYNAMIC_OFFSET(FUNDECL)					\
@@ -206,7 +208,8 @@ do {									\
     "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",             \
     "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31",             \
     "vrsave", "vscr",							\
-    "spe_acc", "spefscr"                                                \
+    "spe_acc", "spefscr",                                               \
+    "sfp"								\
 }
 
 /* This outputs NAME to FILE.  */