target.h (targetm.calls.arg_partial_bytes): New.

	* target.h (targetm.calls.arg_partial_bytes): New.
	* target-def.h (TARGET_ARG_PARTIAL_BYTES): New.
	* calls.c (store_unaligned_arguments_into_pseudos): Update for
	partial in bytes.
	(load_register_parameters): Likewise.
	(store_one_arg): Likewise.
	(initialize_argument_information): Use targetm.calls.arg_partial_bytes.
	(emit_library_call_value_1): Likewise.
	* expr.c (block_move_libcall_safe_for_call_parm): Likewise.
	(emit_push_insn): Update for partial in bytes.
	* expr.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* function.c (assign_parm_find_entry_rtl): Use
	targetm.calls.arg_partial_bytes.  Update for result in bytes.
	(locate_and_pad_parm): Update for partial in bytes.
	* system.h (FUNCTION_ARG_PARTIAL_NREGS): Poison.
	* targhooks.c (hook_int_CUMULATIVE_ARGS_mode_tree_bool_0): New.
	* targhooks.h (hook_int_CUMULATIVE_ARGS_mode_tree_bool_0): Declare.
	* doc/tm.texi (TARGET_ARG_PARTIAL_BYTES): Rename and update from
	FUNCTION_ARG_PARTIAL_NREGS.

	* config/arc/arc.h, config/c4x/c4x.h, config/i386/i386.h,
	config/i860/i860.h, config/m68hc11/m68hc11.h, config/m68k/m68k.h,
	config/pdp11/pdp11.h, config/s390/s390.h, config/stormy16/stormy16.h,
	config/xtensa/xtensa.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.

	* config/alpha/alpha.c (alpha_arg_partial_bytes): New.
	(TARGET_ARG_PARTIAL_BYTES): New.
	* config/alpha/alpha.h, config/alpha/unicosmk.h,
	config/alpha/vms.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.

	* config/arm/arm.h (FUNCTION_ARG_PARTIAL_NREGS): Move ...
	* config/arm/arm.c (arm_arg_partial_bytes): ... here.
	(TARGET_ARG_PARTIAL_BYTES): New.

	* config/cris/cris.h (FUNCTION_ARG_PARTIAL_NREGS): Move ...
	* config/cris/cris.c (cris_arg_partial_bytes): ... here.
	(TARGET_ARG_PARTIAL_BYTES): New.

	* config/fr30/fr30.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/fr30/fr30.c (fr30_arg_partial_bytes): Rename from
	fr30_function_arg_partial_nregs.  Adjust to return bytes.
	(TARGET_ARG_PARTIAL_BYTES): New.
	* config/fr30/fr30-protos.h: Update.

	* config/frv/frv.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/frv/frv.c (frv_arg_partial_bytes): Rename from
	frv_function_arg_partial_nregs.  Adjust to return bytes.
	(TARGET_ARG_PARTIAL_BYTES): New.
	* config/frv/frv-protos.h: Update.

	* config/ia64/ia64.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/ia64/ia64.c (ia64_arg_partial_bytes): Rename from
	ia64_function_arg_partial_nregs.  Adjust to return bytes.
	(TARGET_ARG_PARTIAL_BYTES): New.
	* config/ia64/ia64-protos.h: Update.

	* config/iq2000/iq2000.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/iq2000/iq2000.c (iq2000_arg_partial_bytes): Rename from
	function_arg_partial_nregs.  Adjust to return bytes.
	(TARGET_ARG_PARTIAL_BYTES): New.
	* config/iq2000/iq2000-protos.h: Update.

	* config/m32r/m32r.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/m32r/m32r.c (m32r_arg_partial_bytes): Rename from
	function_arg_partial_nregs.  Adjust to return bytes.
	(TARGET_ARG_PARTIAL_BYTES): New.
	* config/m32r/m32r-protos.h: Update.

	* config/mcore/mcore.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/mcore/mcore.c (mcore_arg_partial_bytes): Rename from
	mcore_function_arg_partial_nregs.  Adjust to return bytes.
        (TARGET_ARG_PARTIAL_BYTES): New.
	* config/mcore/mcore-protos.h: Update.

	* config/mips/mips.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/mips/mips.c (mips_arg_partial_bytes): Rename from
	function_arg_partial_nregs.  Adjust to return bytes.
	(TARGET_ARG_PARTIAL_BYTES): New.
	* config/mips/mips-protos.h: Update.

	* config/mn10300/mn10300.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/mn10300/mn10300.c (mn10300_arg_partial_bytes): Rename from
	function_arg_partial_nregs.  Adjust to return bytes.
	(TARGET_ARG_PARTIAL_BYTES): New.
	* config/mn10300/mn10300-protos.h: Update.

	* config/ns32k/ns32k.h (FUNCTION_ARG_PARTIAL_NREGS): Move ...
	* config/ns32k/ns32k.c (ns32k_arg_partial_bytes): ... here.
	(TARGET_ARG_PARTIAL_BYTES): New.

	* config/pa/pa.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/pa/pa.c (pa_arg_partial_bytes): Rename from
	function_arg_partial_nregs.  Handle 32-bit.  Adjust to return bytes.
	(TARGET_ARG_PARTIAL_BYTES): New.
	* config/pa/pa-protos.h: Update.

	* config/rs6000/rs6000.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Rename from
	function_arg_partial_nregs.  Adjust to return bytes.
	(TARGET_ARG_PARTIAL_BYTES): New.
	* config/rs6000/rs6000-protos.h: Update.

	* config/sh/sh.h (FUNCTION_ARG_PARTIAL_NREGS): Move ...
	* config/sh/sh.c (sh_arg_partial_bytes): ... here.
	(TARGET_ARG_PARTIAL_BYTES): New.

	* config/sparc/sparc.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/sparc/sparc.c (sparc_arg_partial_bytes): Rename from
	function_arg_partial_nregs.  Adjust to return bytes.
        (TARGET_ARG_PARTIAL_BYTES): New.
	* config/sparc/sparc-protos.h: Update.

	* config/v850/v850.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/v850/v850.c (v850_arg_partial_bytes): Rename from
        function_arg_partial_nregs.  Adjust to return bytes.
        (TARGET_ARG_PARTIAL_BYTES): New.
	* config/v850/v850-protos.h: Update.

From-SVN: r92726

3 files changed, 9 insertions, 14 deletions

diff --git a/gcc/config/mips/mips-protos.h b/gcc/config/mips/mips-protos.h
index 15f50223bc5..8569d429959 100644
--- a/gcc/config/mips/mips-protos.h
+++ b/gcc/config/mips/mips-protos.h
@@ -141,8 +141,6 @@ extern void function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode,
 				  tree, int);
 extern struct rtx_def *function_arg (const CUMULATIVE_ARGS *,
 				     enum machine_mode, tree, int);
-extern int function_arg_partial_nregs (const CUMULATIVE_ARGS *,
-				       enum machine_mode, tree, int);
 extern int function_arg_boundary (enum machine_mode, tree);
 extern bool mips_pad_arg_upward (enum machine_mode, tree);
 extern bool mips_pad_reg_upward (enum machine_mode, tree);
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c
index 568bb8bed40..450b01d4659 100644
--- a/gcc/config/mips/mips.c
+++ b/gcc/config/mips/mips.c
@@ -352,6 +352,8 @@ static bool mips_pass_by_reference (CUMULATIVE_ARGS *, enum machine_mode mode,
 				    tree, bool);
 static bool mips_callee_copies (CUMULATIVE_ARGS *, enum machine_mode mode,
 				tree, bool);
+static int mips_arg_partial_bytes (CUMULATIVE_ARGS *, enum machine_mode mode,
+				   tree, bool);
 static bool mips_valid_pointer_mode (enum machine_mode);
 static bool mips_scalar_mode_supported_p (enum machine_mode);
 static bool mips_vector_mode_supported_p (enum machine_mode);
@@ -798,6 +800,8 @@ const struct mips_cpu_info mips_cpu_info_table[] = {
 #define TARGET_PASS_BY_REFERENCE mips_pass_by_reference
 #undef TARGET_CALLEE_COPIES
 #define TARGET_CALLEE_COPIES mips_callee_copies
+#undef TARGET_ARG_PARTIAL_BYTES
+#define TARGET_ARG_PARTIAL_BYTES mips_arg_partial_bytes
 
 #undef TARGET_VECTOR_MODE_SUPPORTED_P
 #define TARGET_VECTOR_MODE_SUPPORTED_P mips_vector_mode_supported_p
@@ -3316,16 +3320,16 @@ function_arg (const CUMULATIVE_ARGS *cum, enum machine_mode mode,
 }
 
 
-/* Implement FUNCTION_ARG_PARTIAL_NREGS.  */
+/* Implement TARGET_ARG_PARTIAL_BYTES.  */
 
-int
-function_arg_partial_nregs (const CUMULATIVE_ARGS *cum,
-			    enum machine_mode mode, tree type, int named)
+static int
+mips_arg_partial_bytes (CUMULATIVE_ARGS *cum,
+			enum machine_mode mode, tree type, bool named)
 {
   struct mips_arg_info info;
 
   mips_arg_info (cum, mode, type, named, &info);
-  return info.stack_words > 0 ? info.reg_words : 0;
+  return info.stack_words > 0 ? info.reg_words * UNITS_PER_WORD : 0;
 }
 
 
diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h
index 6281985c831..495b8190f4b 100644
--- a/gcc/config/mips/mips.h
+++ b/gcc/config/mips/mips.h
@@ -2279,13 +2279,6 @@ typedef struct mips_args {
 #define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
   function_arg( &CUM, MODE, TYPE, NAMED)
 
-/* For an arg passed partly in registers and partly in memory,
-   this is the number of registers used.
-   For args passed entirely in registers or entirely in memory, zero.  */
-
-#define FUNCTION_ARG_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) \
-  function_arg_partial_nregs (&CUM, MODE, TYPE, NAMED)
-
 #define FUNCTION_ARG_BOUNDARY function_arg_boundary
 
 #define FUNCTION_ARG_PADDING(MODE, TYPE)		\