arm.c (TARGET_PROMOTE_FUNCTION_ARGS): New.

	* config/arm/arm.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
	(TARGET_PROMOTE_PROTOTYPES): Likewise.
	(TARGET_STRUCT_VALUE_RTX): Likewise.
	(arm_struct_value_rtx): Likewise.
	* config/arm/arm.h (PROMOTE_FUNCTION_ARGS): Remove.
	(STRUCT_VALUE): Likewise.
	(STRUCT_VALUE_REGNUM): Likewise.
	(PROMOTE_PROTOTYPES): Likewise.

From-SVN: r76636

gcc/ChangeLog

 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
 
+	* config/arm/arm.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
+	(TARGET_PROMOTE_PROTOTYPES): Likewise.
+	(TARGET_STRUCT_VALUE_RTX): Likewise.
+	(arm_struct_value_rtx): Likewise.
+	* config/arm/arm.h (PROMOTE_FUNCTION_ARGS): Remove.
+	(STRUCT_VALUE): Likewise.
+	(STRUCT_VALUE_REGNUM): Likewise.
+	(PROMOTE_PROTOTYPES): Likewise.
+
+2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
+
 	* config/ia64/ia64-protos.h: Remove the prototype for
 	ia64_setup_incoming_varargs and ia64_return_in_memory.
 	* config/ia64/ia64.c (TARGET_STRUCT_VALUE_RTX): New.

gcc/config/arm/arm.c

@@ -150,6 +150,7 @@ static void aof_dump_pic_table (FILE *);
 static void aof_file_start (void);
 static void aof_file_end (void);
 #endif
+static rtx arm_struct_value_rtx (tree, int);
 
 
 /* Initialize the GCC target structure.  */
@@ -233,6 +234,14 @@ static void aof_file_end (void);
 #undef  TARGET_EXPAND_BUILTIN
 #define TARGET_EXPAND_BUILTIN arm_expand_builtin
 
+#undef TARGET_PROMOTE_FUNCTION_ARGS
+#define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_true
+#undef TARGET_PROMOTE_PROTOTYPES
+#define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_true
+
+#undef TARGET_STRUCT_VALUE_RTX
+#define TARGET_STRUCT_VALUE_RTX arm_struct_value_rtx
+
 struct gcc_target targetm = TARGET_INITIALIZER;
 
 /* Obstack for minipool constant handling.  */
@@ -13322,3 +13331,22 @@ arm_output_load_gr (rtx *operands)
 
   return "";
 }
+
+static rtx
+arm_struct_value_rtx (tree fntype ATTRIBUTE_UNUSED,
+		      int incoming ATTRIBUTE_UNUSED)
+{
+#if 0
+  /* FIXME: The ARM backend has special code to handle structure
+	 returns, and will reserve its own hidden first argument.  So
+	 if this macro is enabled a *second* hidden argument will be
+	 reserved, which will break binary compatibility with old
+	 toolchains and also thunk handling.  One day this should be
+	 fixed.  */
+  return 0;
+#else
+  /* Register in which address to store a structure value
+     is passed to a function.  */
+  return gen_rtx_REG (Pmode, ARG_REGISTER (1));
+#endif
+}

gcc/config/arm/arm.h

 /* Definitions of target machine for GNU compiler, for ARM.
    Copyright (C) 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-   2001, 2002, 2003 Free Software Foundation, Inc.
+   2001, 2002, 2003, 2004 Free Software Foundation, Inc.
    Contributed by Pieter `Tiggr' Schoenmakers (rcpieter@win.tue.nl)
    and Martin Simmons (@harleqn.co.uk).
    More major hacks by Richard Earnshaw (rearnsha@arm.com)
@@ -709,11 +709,6 @@ extern int arm_is_6_or_7;
       (MODE) = SImode;				\
     }
 
-/* Define this macro if the promotion described by `PROMOTE_MODE'
-   should also be done for outgoing function arguments.  */
-/* This is required to ensure that push insns always push a word.  */
-#define PROMOTE_FUNCTION_ARGS
-
 /* Define this if most significant bit is lowest numbered
    in instructions that operate on numbered bit-fields.  */
 #define BITS_BIG_ENDIAN  0
@@ -1051,20 +1046,6 @@ extern const char * structure_size_string;
 /* Return the register number of the N'th (integer) argument.  */
 #define ARG_REGISTER(N) 	(N - 1)
 
-#if 0 /* FIXME: The ARM backend has special code to handle structure
-	 returns, and will reserve its own hidden first argument.  So
-	 if this macro is enabled a *second* hidden argument will be
-	 reserved, which will break binary compatibility with old
-	 toolchains and also thunk handling.  One day this should be
-	 fixed.  */
-/* RTX for structure returns.  NULL means use a hidden first argument.  */
-#define STRUCT_VALUE		0
-#else
-/* Register in which address to store a structure value
-   is passed to a function.  */
-#define STRUCT_VALUE_REGNUM	ARG_REGISTER (1)
-#endif
-
 /* Specify the registers used for certain standard purposes.
    The values of these macros are register numbers.  */
 
@@ -2349,9 +2330,6 @@ do {							\
 /* Calling from registers is a massive pain.  */
 #define NO_FUNCTION_CSE 1
 
-/* Chars and shorts should be passed as ints.  */
-#define PROMOTE_PROTOTYPES 1
-
 /* The machine modes of pointers and functions */
 #define Pmode  SImode
 #define FUNCTION_MODE  Pmode