* config/fr30/fr30-protos.h (fr30_num_arg_regs): Delete.

	* config/fr30/fr30.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
	* config/fr30/fr30.c (fr30_num_arg_regs): Make static.  Take a
	const_tree.
	(fr30_function_arg): New function.
	(fr30_function_arg_advance): New function.
	(TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@166034 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 38 insertions, 2 deletions

diff --git a/gcc/config/fr30/fr30.c b/gcc/config/fr30/fr30.c
index 04e90f23fc2..95bbd61d260 100644
--- a/gcc/config/fr30/fr30.c
+++ b/gcc/config/fr30/fr30.c
@@ -119,10 +119,15 @@ static void fr30_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode,
 static bool fr30_must_pass_in_stack (enum machine_mode, const_tree);
 static int fr30_arg_partial_bytes (CUMULATIVE_ARGS *, enum machine_mode,
 				   tree, bool);
+static rtx fr30_function_arg (CUMULATIVE_ARGS *, enum machine_mode,
+			      const_tree, bool);
+static void fr30_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode,
+				       const_tree, bool);
 static bool fr30_frame_pointer_required (void);
 static bool fr30_can_eliminate (const int, const int);
 static void fr30_asm_trampoline_template (FILE *);
 static void fr30_trampoline_init (rtx, tree, rtx);
+static int fr30_num_arg_regs (enum machine_mode, const_tree);
 
 #define FRAME_POINTER_MASK 	(1 << (FRAME_POINTER_REGNUM))
 #define RETURN_POINTER_MASK 	(1 << (RETURN_POINTER_REGNUM))
@@ -162,6 +167,10 @@ static const struct default_options fr30_option_optimization_table[] =
 #define TARGET_PASS_BY_REFERENCE hook_pass_by_reference_must_pass_in_stack
 #undef  TARGET_ARG_PARTIAL_BYTES
 #define TARGET_ARG_PARTIAL_BYTES fr30_arg_partial_bytes
+#undef  TARGET_FUNCTION_ARG
+#define TARGET_FUNCTION_ARG fr30_function_arg
+#undef  TARGET_FUNCTION_ARG_ADVANCE
+#define TARGET_FUNCTION_ARG_ADVANCE fr30_function_arg_advance
 
 #undef  TARGET_SETUP_INCOMING_VARARGS
 #define TARGET_SETUP_INCOMING_VARARGS fr30_setup_incoming_varargs
@@ -711,8 +720,8 @@ fr30_must_pass_in_stack (enum machine_mode mode, const_tree type)
 
 /* Compute the number of word sized registers needed to hold a
    function argument of mode INT_MODE and tree type TYPE.  */
-int
-fr30_num_arg_regs (enum machine_mode mode, tree type)
+static int
+fr30_num_arg_regs (enum machine_mode mode, const_tree type)
 {
   int size;
 
@@ -756,6 +765,33 @@ fr30_arg_partial_bytes (CUMULATIVE_ARGS *cum, enum machine_mode mode,
   return (FR30_NUM_ARG_REGS - *cum) * UNITS_PER_WORD;
 }
 
+static rtx
+fr30_function_arg (CUMULATIVE_ARGS *cum, enum machine_mode mode,
+		   const_tree type, bool named)
+{
+  if (!named
+      || fr30_must_pass_in_stack (mode, type)
+      || *cum >= FR30_NUM_ARG_REGS)
+    return NULL_RTX;
+  else
+    return gen_rtx_REG (mode, *cum + FIRST_ARG_REGNUM);
+}
+
+/* A C statement (sans semicolon) to update the summarizer variable CUM to
+   advance past an argument in the argument list.  The values MODE, TYPE and
+   NAMED describe that argument.  Once this is done, the variable CUM is
+   suitable for analyzing the *following* argument with `FUNCTION_ARG', etc.
+
+   This macro need not do anything if the argument in question was passed on
+   the stack.  The compiler knows how to track the amount of stack space used
+   for arguments without any special help.  */
+static void
+fr30_function_arg_advance (CUMULATIVE_ARGS *cum, enum machine_mode mode,
+			   const_tree type, bool named)
+{
+  *cum += named * fr30_num_arg_regs (mode, type);
+}
+
 /*}}}*/
 /*{{{  Operand predicates */