* target.h (struct gcc_target): Add calls.pass_by_reference.

	* target-def.h (TARGET_PASS_BY_REFERENCE): New.
	* function.c (pass_by_reference): Use the hook.
	* system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
	* targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
	(hook_pass_by_reference_must_pass_in_stack): New.
	* config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
	(alpha_pass_by_reference): New.
	(TARGET_PASS_BY_REFERENCE): New.
	* config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/arc/arc.c (arc_pass_by_reference): New.
	(TARGET_PASS_BY_REFERENCE): New.
	* config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	(FUNCTION_ARG_CALLEE_COPIES): True.
	* config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
	* config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
	(arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
	* config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/cris/cris.c (cris_pass_by_reference): New.
	(TARGET_PASS_BY_REFERENCE): New.
	* config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
	(FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
	(FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
	* config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
	* config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
	(frv_function_arg_pass_by_reference): Remove.
	* config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
	* config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
	(ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
	* config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
	* config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
	(ia64_pass_by_reference): Rename from
	ia64_function_arg_pass_by_reference.
	* config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
	* config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
	(iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
	* config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	(FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
	* config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
	* config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
	(m32r_pass_by_reference): Adjust prototype.  Make static.
	Handle mode sizes correctly.
	* config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
	(m68hc11_function_arg_pass_by_reference): Remove.
	* config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	(FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
	* config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
	* config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
	* config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
	(mips_va_arg): Use pass_by_reference.
	(mips_pass_by_reference): Rename from function_arg_pass_by_reference.
	Handle mode sizes correctly.
	* config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
	* config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
	* config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
	(mmix_pass_by_reference): Rename from
	mmix_function_arg_pass_by_reference.
	* config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	(FUNCTION_ARG_CALLEE_COPIES): True.
	* config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
	(mn10300_pass_by_reference): New.
	* config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	(FUNCTION_ARG_CALLEE_COPIES): True.
	* config/pa/pa.c (pa_pass_by_reference): New.
	(TARGET_PASS_BY_REFERENCE): New.
	* config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): True.
	* config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
	* config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
	(rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
	* config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
	* config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
	(s390_pass_by_reference): Rename from
	s390_function_arg_pass_by_reference.
	(s390_function_arg_advance): Don't query pass-by-ref.
	(s390_function_arg): Likewise.
	(s390_gimplify_va_arg): Use pass_by_reference.
	(s390_call_saved_register_used): Likewise.
	* config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
	(shcompact_byref, sh_pass_by_reference): New.
	* config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	(SHCOMPACT_BYREF): Remove.
	* config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
	* config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
	(sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
	(sparc_gimplify_va_arg): Use pass_by_reference.
	* config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
	(v850_pass_by_reference): New.
	* config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	(FUNCTION_ARG_CALLEE_COPIES): True.
	* doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
	FUNCTION_ARG_PASS_BY_REFERENCE docs.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@84672 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 20 insertions, 5 deletions

diff --git a/gcc/config/v850/v850.c b/gcc/config/v850/v850.c
index 7221bd737db..11311c3fbf2 100644
--- a/gcc/config/v850/v850.c
+++ b/gcc/config/v850/v850.c
@@ -67,6 +67,8 @@ static void v850_encode_section_info (tree, rtx, int);
 static bool v850_return_in_memory    (tree, tree);
 static void v850_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode,
 					 tree, int *, int);
+static bool v850_pass_by_reference (CUMULATIVE_ARGS *, enum machine_mode,
+				    tree, bool);
 
 /* Information about the various small memory areas.  */
 struct small_memory_info small_memory[ (int)SMALL_MEMORY_max ] =
@@ -129,6 +131,9 @@ static int v850_interrupt_p = FALSE;
 #undef TARGET_RETURN_IN_MEMORY
 #define TARGET_RETURN_IN_MEMORY v850_return_in_memory
 
+#undef TARGET_PASS_BY_REFERENCE
+#define TARGET_PASS_BY_REFERENCE v850_pass_by_reference
+
 #undef TARGET_SETUP_INCOMING_VARARGS
 #define TARGET_SETUP_INCOMING_VARARGS v850_setup_incoming_varargs
 
@@ -178,6 +183,20 @@ override_options (void)
 }
 
 
+static bool
+v850_pass_by_reference (CUMULATIVE_ARGS *cum ATTRIBUTE_UNUSED,
+			enum machine_mode mode, tree type,
+			bool named ATTRIBUTE_UNUSED)
+{
+  unsigned HOST_WIDE_INT size;
+
+  if (type)
+    size = int_size_in_bytes (type);
+  else
+    size = GET_MODE_SIZE (mode);
+
+  return size > 8;
+}
 
 /* Return an RTX to represent where a value with mode MODE will be returned
    from a function.  If the result is 0, the argument is pushed.  */
diff --git a/gcc/config/v850/v850.h b/gcc/config/v850/v850.h
index 9a34a50a5af..5643a9df749 100644
--- a/gcc/config/v850/v850.h
+++ b/gcc/config/v850/v850.h
@@ -773,11 +773,7 @@ struct cum_arg { int nbytes; int anonymous_args; };
    space allocated by the caller.  */
 #define OUTGOING_REG_PARM_STACK_SPACE
 
-#define FUNCTION_ARG_PASS_BY_REFERENCE(CUM, MODE, TYPE, NAMED)		\
-  ((TYPE) && (unsigned HOST_WIDE_INT) int_size_in_bytes (TYPE) > 8)
- 
-#define FUNCTION_ARG_CALLEE_COPIES(CUM, MODE, TYPE, NAMED) \
-  FUNCTION_ARG_PASS_BY_REFERENCE (CUM, MODE, TYPE, NAMED)
+#define FUNCTION_ARG_CALLEE_COPIES(CUM, MODE, TYPE, NAMED) 1
 
 /* 1 if N is a possible register number for function argument passing.  */