target-def.h (TARGET_STRUCT_VALUE_RTX): Define as hook_rtx_tree_int_null.

	* target-def.h (TARGET_STRUCT_VALUE_RTX): Define as
	hook_rtx_tree_int_null.
	* targhooks.c (default_struct_value_rtx): Remove.
	* targhooks.h: Remove the prototype for
	default_struct_value_rtx.
	* config/alpha/alpha.c, config/arc/arc.c, config/avr/avr.c,
	config/fr30/fr30.c, config/h8300/h8300.c, config/i386/i386.c,
	config/ip2k/ip2k.c, config/iq2000/iq2000.c,
	config/m32r/m32r.c, config/mcore/mcore.c, config/mips/mips.c,
	config/mn10300/mn10300.c, config/pdp11/pdp11.c,
	config/rs6000/rs6000.c, config/s390/s390.c,
	config/stormy16/stormy16.c, config/v850/v850.c,
	config/xtensa/xtensa.c (TARGET_STRUCT_VALUE_RTX): Remove.
	* doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document the default.

From-SVN: r77505

23 files changed, 21 insertions, 51 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 59aa6a8..241bca6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,20 @@
+2004-02-08  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* target-def.h (TARGET_STRUCT_VALUE_RTX): Define as
+	hook_rtx_tree_int_null.
+	* targhooks.c (default_struct_value_rtx): Remove.
+	* targhooks.h: Remove the prototype for
+	default_struct_value_rtx.
+	* config/alpha/alpha.c, config/arc/arc.c, config/avr/avr.c,
+	config/fr30/fr30.c, config/h8300/h8300.c, config/i386/i386.c,
+	config/ip2k/ip2k.c, config/iq2000/iq2000.c,
+	config/m32r/m32r.c, config/mcore/mcore.c, config/mips/mips.c,
+	config/mn10300/mn10300.c, config/pdp11/pdp11.c,
+	config/rs6000/rs6000.c, config/s390/s390.c,
+	config/stormy16/stormy16.c, config/v850/v850.c,
+	config/xtensa/xtensa.c (TARGET_STRUCT_VALUE_RTX): Remove.
+	* doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document the default.
+
 2004-02-08  Joseph S. Myers  <jsm@polyomino.org.uk>
 
 	* README.Portability: Change "ISO C89" to "ISO C90".
diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c
index b1eb7f6..38f7b2a 100644
--- a/gcc/config/alpha/alpha.c
+++ b/gcc/config/alpha/alpha.c
@@ -10221,8 +10221,6 @@ alpha_init_libfuncs (void)
 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_true
 #undef TARGET_PROMOTE_PROTOTYPES
 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_false
-#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 alpha_return_in_memory
 #undef TARGET_SETUP_INCOMING_VARARGS
diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c
index f0c1bf2..0f4396ac 100644
--- a/gcc/config/arc/arc.c
+++ b/gcc/config/arc/arc.c
@@ -136,8 +136,6 @@ static bool arc_return_in_memory (tree, tree);
 #undef TARGET_PROMOTE_PROTOTYPES
 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_true
 
-#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 arc_return_in_memory
 
diff --git a/gcc/config/avr/avr.c b/gcc/config/avr/avr.c
index 07540df..207f5f3 100644
--- a/gcc/config/avr/avr.c
+++ b/gcc/config/avr/avr.c
@@ -244,8 +244,6 @@ int avr_case_values_threshold = 30000;
 #undef TARGET_MACHINE_DEPENDENT_REORG
 #define TARGET_MACHINE_DEPENDENT_REORG avr_reorg
 
-#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 avr_return_in_memory
 
diff --git a/gcc/config/fr30/fr30.c b/gcc/config/fr30/fr30.c
index d6ffc76..7a4f04f 100644
--- a/gcc/config/fr30/fr30.c
+++ b/gcc/config/fr30/fr30.c
@@ -154,9 +154,6 @@ static rtx fr30_pass_by_value (tree, tree);
 #undef TARGET_PROMOTE_PROTOTYPES
 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_true
 
-#undef TARGET_STRUCT_VALUE_RTX
-#define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
-
 #undef TARGET_SETUP_INCOMING_VARARGS
 #define TARGET_SETUP_INCOMING_VARARGS fr30_setup_incoming_varargs
 
diff --git a/gcc/config/h8300/h8300.c b/gcc/config/h8300/h8300.c
index 668f273..c8d7937 100644
--- a/gcc/config/h8300/h8300.c
+++ b/gcc/config/h8300/h8300.c
@@ -4680,8 +4680,6 @@ h8300_return_in_memory (tree type, tree fntype ATTRIBUTE_UNUSED)
 #undef TARGET_INIT_LIBFUNCS
 #define TARGET_INIT_LIBFUNCS h8300_init_libfuncs
 
-#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 h8300_return_in_memory
 
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 6a0701c..a91a39c 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -1028,9 +1028,6 @@ static void init_ext_80387_constants (void);
 #undef TARGET_PROMOTE_PROTOTYPES
 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_true
 
-#undef TARGET_STRUCT_VALUE_RTX
-#define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
-
 #undef TARGET_SETUP_INCOMING_VARARGS
 #define TARGET_SETUP_INCOMING_VARARGS ix86_setup_incoming_varargs
 
diff --git a/gcc/config/ip2k/ip2k.c b/gcc/config/ip2k/ip2k.c
index 13652e4..7c3d46f 100644
--- a/gcc/config/ip2k/ip2k.c
+++ b/gcc/config/ip2k/ip2k.c
@@ -115,8 +115,6 @@ const struct attribute_spec ip2k_attribute_table[];
 #undef TARGET_INIT_LIBFUNCS
 #define TARGET_INIT_LIBFUNCS ip2k_init_libfuncs
 
-#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 ip2k_return_in_memory
 
diff --git a/gcc/config/iq2000/iq2000.c b/gcc/config/iq2000/iq2000.c
index ca48c91..90efc4b 100644
--- a/gcc/config/iq2000/iq2000.c
+++ b/gcc/config/iq2000/iq2000.c
@@ -192,8 +192,6 @@ static bool iq2000_return_in_memory   (tree, tree);
 #undef  TARGET_PROMOTE_PROTOTYPES
 #define TARGET_PROMOTE_PROTOTYPES	hook_bool_tree_true
 
-#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		iq2000_return_in_memory
 
diff --git a/gcc/config/m32r/m32r.c b/gcc/config/m32r/m32r.c
index 849c73f..dcab504 100644
--- a/gcc/config/m32r/m32r.c
+++ b/gcc/config/m32r/m32r.c
@@ -150,8 +150,6 @@ static bool m32r_rtx_costs (rtx, int, int, int *);
 #undef  TARGET_PROMOTE_PROTOTYPES
 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_true
 
-#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 m32r_return_in_memory
 
diff --git a/gcc/config/mcore/mcore.c b/gcc/config/mcore/mcore.c
index 8f2036c..468b7d1f 100644
--- a/gcc/config/mcore/mcore.c
+++ b/gcc/config/mcore/mcore.c
@@ -190,8 +190,6 @@ static bool       mcore_return_in_memory	(tree, tree);
 #undef  TARGET_PROMOTE_PROTOTYPES
 #define TARGET_PROMOTE_PROTOTYPES	hook_bool_tree_true
 
-#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		mcore_return_in_memory
 
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c
index 689d6fe..ad6d3c5 100644
--- a/gcc/config/mips/mips.c
+++ b/gcc/config/mips/mips.c
@@ -807,8 +807,6 @@ const struct mips_cpu_info mips_cpu_info_table[] = {
 #undef TARGET_PROMOTE_PROTOTYPES
 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_true
 
-#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 mips_return_in_memory
 #undef TARGET_RETURN_IN_MSB
diff --git a/gcc/config/mn10300/mn10300.c b/gcc/config/mn10300/mn10300.c
index f781139..2c68dcb 100644
--- a/gcc/config/mn10300/mn10300.c
+++ b/gcc/config/mn10300/mn10300.c
@@ -93,8 +93,6 @@ static rtx mn10300_builtin_saveregs (void);
 #undef TARGET_PROMOTE_PROTOTYPES
 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_true
 
-#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 mn10300_return_in_memory
 
diff --git a/gcc/config/pdp11/pdp11.c b/gcc/config/pdp11/pdp11.c
index 9102dcd..71adbea 100644
--- a/gcc/config/pdp11/pdp11.c
+++ b/gcc/config/pdp11/pdp11.c
@@ -169,8 +169,6 @@ static bool pdp11_return_in_memory (tree, tree);
 #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
 
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 9cacc88..2c36d9e 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -595,10 +595,6 @@ static const char alt_reg_names[][8] =
 #undef TARGET_PROMOTE_FUNCTION_RETURN
 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_true
 
-/* Structure return values are passed as an extra parameter.  */
-#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 rs6000_return_in_memory
 
diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c
index 343d165..dabd526 100644
--- a/gcc/config/s390/s390.c
+++ b/gcc/config/s390/s390.c
@@ -154,9 +154,6 @@ static tree s390_build_builtin_va_list (void);
 #undef TARGET_PROMOTE_FUNCTION_RETURN
 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_true
 
-#undef TARGET_STRUCT_VALUE_RTX
-#define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
-
 struct gcc_target targetm = TARGET_INITIALIZER;
 
 extern int reload_completed;
diff --git a/gcc/config/stormy16/stormy16.c b/gcc/config/stormy16/stormy16.c
index 7678ccf..e19236b 100644
--- a/gcc/config/stormy16/stormy16.c
+++ b/gcc/config/stormy16/stormy16.c
@@ -2204,8 +2204,6 @@ xstormy16_return_in_memory (tree type, tree fntype ATTRIBUTE_UNUSED)
 #undef TARGET_PROMOTE_PROTOTYPES
 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_true
 
-#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 xstormy16_return_in_memory
 
diff --git a/gcc/config/v850/v850.c b/gcc/config/v850/v850.c
index 83cf9d1..08adab1 100644
--- a/gcc/config/v850/v850.c
+++ b/gcc/config/v850/v850.c
@@ -122,8 +122,6 @@ static int v850_interrupt_p = FALSE;
 #undef TARGET_PROMOTE_PROTOTYPES
 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_true
 
-#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 v850_return_in_memory
 
diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c
index 359ab77..c6cc33d 100644
--- a/gcc/config/xtensa/xtensa.c
+++ b/gcc/config/xtensa/xtensa.c
@@ -246,8 +246,6 @@ static const int reg_nonleaf_alloc_order[FIRST_PSEUDO_REGISTER] =
 #undef TARGET_PROMOTE_PROTOTYPES
 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_true
 
-#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 xtensa_return_in_memory
 
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi
index f290c1c..a141627 100644
--- a/gcc/doc/tm.texi
+++ b/gcc/doc/tm.texi
@@ -3969,7 +3969,9 @@ If not defined, this defaults to the value 1.
 This target hook should return the location of the structure value
 address (normally a @code{mem} or @code{reg}), or 0 if the address is
 passed as an ``invisible'' first argument.  Note that @var{fndecl} may
-be @code{NULL}, for libcalls.
+be @code{NULL}, for libcalls.  You do not need to define this target
+hook if the address is always passed as an ``invisible'' first
+argument.
 
 On some architectures the place where the structure value address
 is found by the called function is not the same place that the
diff --git a/gcc/target-def.h b/gcc/target-def.h
index 54a4772..289ab41 100644
--- a/gcc/target-def.h
+++ b/gcc/target-def.h
@@ -329,7 +329,7 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_false
 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_false
 
-#define TARGET_STRUCT_VALUE_RTX default_struct_value_rtx
+#define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
 #define TARGET_RETURN_IN_MEMORY default_return_in_memory
 #define TARGET_RETURN_IN_MSB hook_bool_tree_false
 
diff --git a/gcc/targhooks.c b/gcc/targhooks.c
index ce491b2..a2c8273 100644
--- a/gcc/targhooks.c
+++ b/gcc/targhooks.c
@@ -78,13 +78,6 @@ default_cc_modes_compatible (enum machine_mode m1, enum machine_mode m2)
   return VOIDmode;
 }
 
-rtx
-default_struct_value_rtx (tree fntype ATTRIBUTE_UNUSED,
-			  int incoming ATTRIBUTE_UNUSED)
-{
-  abort ();
-}
-
 bool
 default_return_in_memory (tree type,
 			  tree fntype ATTRIBUTE_UNUSED)
diff --git a/gcc/targhooks.h b/gcc/targhooks.h
index 2de18e7..cbe0f6a 100644
--- a/gcc/targhooks.h
+++ b/gcc/targhooks.h
@@ -23,7 +23,6 @@ extern void default_external_libcall (rtx);
 extern enum machine_mode default_cc_modes_compatible (enum machine_mode,
 						      enum machine_mode);
 
-extern rtx default_struct_value_rtx (tree, int);
 extern bool default_return_in_memory (tree, tree);
 
 extern rtx default_expand_builtin_saveregs (void);