target-def.h (TARGET_MUST_PASS_IN_STACK): New.

	* target-def.h (TARGET_MUST_PASS_IN_STACK): New.
	* target.h (struct gcc_target): Add calls.must_pass_in_stack.
	* expr.h (MUST_PASS_IN_STACK): Remove.
	* system.h (MUST_PASS_IN_STACK): Poison.
	* tree.h (must_pass_in_stack_var_size): Declare.
	(must_pass_in_stack_var_size_or_pad): Declare.
	* calls.c (must_pass_in_stack_var_size): New.
	(must_pass_in_stack_var_size_or_pad): Rename from
	default_must_pass_in_stack.
	* config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
	(TARGET_MUST_PASS_IN_STACK): New.
	* config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
	* config/fr30/fr30.c (fr30_must_pass_in_stack): New.
	(TARGET_MUST_PASS_IN_STACK): New.
	* config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
	* config/frv/frv.c (frv_must_pass_in_stack): New.
	(TARGET_MUST_PASS_IN_STACK): New.
	* config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
	* config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
	* config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
	(ix86_must_pass_in_stack): Make static.
	* config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
	* config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
	* config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
	* config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
	* config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
	* config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
	* config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
	(mcore_must_pass_on_stack): Remove.
	* config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
	* config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
	* config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
	* config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
	* config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
	* config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
	* config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
	* config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
	(TARGET_MUST_PASS_IN_STACK): New.
	* config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
	* config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
	* config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
	* config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
	* config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
	* config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
	* doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
	MUST_PASS_IN_STACK.

	* calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
	config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
	config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
	config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
	config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
	config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
	config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
	config/xtensa/xtensa.c: Use target hook.

From-SVN: r84606

2 files changed, 4 insertions, 10 deletions

diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c
index cad6e8d..cb470b4 100644
--- a/gcc/config/mips/mips.c
+++ b/gcc/config/mips/mips.c
@@ -738,6 +738,8 @@ const struct mips_cpu_info mips_cpu_info_table[] = {
 #define TARGET_SETUP_INCOMING_VARARGS mips_setup_incoming_varargs
 #undef TARGET_STRICT_ARGUMENT_NAMING
 #define TARGET_STRICT_ARGUMENT_NAMING mips_strict_argument_naming
+#undef TARGET_MUST_PASS_IN_STACK
+#define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size
 
 struct gcc_target targetm = TARGET_INITIALIZER;
 
@@ -3552,7 +3554,7 @@ mips_arg_info (const CUMULATIVE_ARGS *cum, enum machine_mode mode,
 	even_reg_p = true;
     }
 
-  if (mips_abi != ABI_EABI && MUST_PASS_IN_STACK (mode, type))
+  if (mips_abi != ABI_EABI && targetm.calls.must_pass_in_stack (mode, type))
     /* This argument must be passed on the stack.  Eat up all the
        remaining registers.  */
     info->reg_offset = MAX_ARGS_IN_REGISTERS;
@@ -4284,7 +4286,7 @@ mips_va_arg (tree valist, tree type)
 
       /* If arguments of type TYPE must be passed on the stack,
 	 set MIN_OFFSET to the offset of the first stack parameter.  */
-      if (!MUST_PASS_IN_STACK (TYPE_MODE (type), type))
+      if (!targetm.calls.must_pass_in_stack (TYPE_MODE (type), type))
 	min_offset = 0;
       else if (TARGET_NEWABI)
 	min_offset = current_function_pretend_args_size;
diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h
index 829168d..04e6ee4 100644
--- a/gcc/config/mips/mips.h
+++ b/gcc/config/mips/mips.h
@@ -2364,14 +2364,6 @@ typedef struct mips_args {
   (mips_abi == ABI_EABI && (NAMED)					\
    && FUNCTION_ARG_PASS_BY_REFERENCE (CUM, MODE, TYPE, NAMED))
 
-/* Modified version of the macro in expr.h.  Only return true if
-   the type has a variable size or if the front end requires it
-   to be passed by reference.  */
-#define MUST_PASS_IN_STACK(MODE,TYPE)			\
-  ((TYPE) != 0						\
-   && (TREE_CODE (TYPE_SIZE (TYPE)) != INTEGER_CST	\
-       || TREE_ADDRESSABLE (TYPE)))
-
 /* True if using EABI and varargs can be passed in floating-point
    registers.  Under these conditions, we need a more complex form
    of va_list, which tracks GPR, FPR and stack arguments separately.  */