pdp11.c (TARGET_STRUCT_VALUE_RTX): New.

	* config/pdp11/pdp11.c (TARGET_STRUCT_VALUE_RTX): New.
	(TARGET_RETURN_IN_MEMORY): Likewise.
	* config/pdp11/pdp11.h (STRUCT_VALUE): Remove.
	(RETURN_IN_MEMORY): Likewise.

From-SVN: r76654

gcc/ChangeLog

+2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* config/pdp11/pdp11.c (TARGET_STRUCT_VALUE_RTX): New.
+	(TARGET_RETURN_IN_MEMORY): Likewise.
+	* config/pdp11/pdp11.h (STRUCT_VALUE): Remove.
+	(RETURN_IN_MEMORY): Likewise.
+
 2004-01-26  Fariborz Jahanian <fjahanian@apple.com>
 
          * config/rs6000/rs6000.c (rs6000_emit_move): split slow

gcc/config/pdp11/pdp11.c

 /* Subroutines for gcc2 for pdp11.
-   Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2001
+   Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2001, 2004
    Free Software Foundation, Inc.
    Contributed by Michael K. Gschwind (mike@vlsivie.tuwien.ac.at).
 
@@ -60,6 +60,7 @@ static bool pdp11_assemble_integer (rtx, unsigned int, int);
 static void pdp11_output_function_prologue (FILE *, HOST_WIDE_INT);
 static void pdp11_output_function_epilogue (FILE *, HOST_WIDE_INT);
 static bool pdp11_rtx_costs (rtx, int, int, int *);
+static bool pdp11_return_in_memory (tree, tree);
 
 /* Initialize the GCC target structure.  */
 #undef TARGET_ASM_BYTE_OP
@@ -84,6 +85,11 @@ static bool pdp11_rtx_costs (rtx, int, int, int *);
 #undef TARGET_RTX_COSTS
 #define TARGET_RTX_COSTS pdp11_rtx_costs
 
+#undef TARGET_STRUCT_VALUE_RTX
+#define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
+#undef TARGET_RETURN_IN_MEMORY
+#define TARGET_RETURN_IN_MEMORY pdp11_return_in_memory
+
 struct gcc_target targetm = TARGET_INITIALIZER;
 
 /* Nonzero if OP is a valid second operand for an arithmetic insn.  */
@@ -1693,3 +1699,16 @@ output_addr_const_pdp11 (FILE *file, rtx x)
       output_operand_lossage ("invalid expression as operand");
     }
 }
+
+static bool
+pdp11_return_in_memory (tree type, tree fntype ATTRIBUTE_UNUSED)
+{
+  /* Should probably return DImode and DFmode in memory, lest
+     we fill up all regs!
+
+     have to, else we crash - exception: maybe return result in 
+     ac0 if DFmode and FPU present - compatibility problem with
+     libraries for non-floating point....  */
+  return (TYPE_MODE (type) == DImode
+	  || (TYPE_MODE (type) == DFmode && ! TARGET_AC0));
+}

gcc/config/pdp11/pdp11.h

 /* Definitions of target machine for GNU compiler, for the pdp-11
-   Copyright (C) 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002
+   Copyright (C) 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2004
    Free Software Foundation, Inc.
    Contributed by Michael K. Gschwind (mike@vlsivie.tuwien.ac.at).
 
@@ -333,13 +333,6 @@ extern int target_flags;
 /* ??? - i don't want to give up a reg for this! */
 #define STATIC_CHAIN_REGNUM 4
 
-/* Register in which address to store a structure value
-   is passed to a function.  
-   let's make it an invisible first argument!!! */
-
-#define STRUCT_VALUE 0
-
-
 /* Define the classes of registers for register constraints in the
    machine description.  Also define ranges of constants.
 
@@ -562,18 +555,6 @@ maybe ac0 ? - as option someday! */
 
 #define FUNCTION_VALUE_REGNO_P(N) (((N) == 0) || (TARGET_AC0 && (N) == 8))
 
-/* should probably return DImode and DFmode in memory,lest
-   we fill up all regs!
-
- have to, else we crash - exception: maybe return result in 
- ac0 if DFmode and FPU present - compatibility problem with
- libraries for non-floating point ...
-*/
-
-#define RETURN_IN_MEMORY(TYPE)	\
-  (TYPE_MODE(TYPE) == DImode || (TYPE_MODE(TYPE) == DFmode && ! TARGET_AC0))
-
-
 /* 1 if N is a possible register number for function argument passing.
    - not used on pdp */