uclinux.h (NO_IMPLICIT_EXTERN_C): Define.

	* config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
	* config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
	* config/bfin/bfin.c (bfin_return_in_memory): Update to really match
	Visual DSP.

From-SVN: r102906

gcc/ChangeLog

+2005-08-09  Jie Zhang  <jie.zhang@analog.com>
+
+	* config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
+	* config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
+	* config/bfin/bfin.c (bfin_return_in_memory): Update to really match
+	Visual DSP.
+
 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
 
 	* tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use

gcc/config/bfin/bfin.c

@@ -1406,14 +1406,8 @@ bfin_pass_by_reference (CUMULATIVE_ARGS *cum ATTRIBUTE_UNUSED,
 int
 bfin_return_in_memory (tree type)
 {
-  int size;
-  enum machine_mode mode = TYPE_MODE (type);
-
-  if (mode == BLKmode)
-    return 1;
-  size = int_size_in_bytes (type);	
-
-  return size > 8;
+  int size = int_size_in_bytes (type);
+  return size > 2 * UNITS_PER_WORD || size == -1;
 }
 
 /* Register in which address to store a structure value

gcc/config/bfin/elf.h

@@ -14,3 +14,5 @@
 
 #undef USER_LABEL_PREFIX
 #define USER_LABEL_PREFIX "_"
+
+#define NO_IMPLICIT_EXTERN_C

gcc/config/bfin/uclinux.h

@@ -8,3 +8,5 @@
 
 #undef  LIB_SPEC
 #define LIB_SPEC "%{pthread:-lpthread} -lc"
+
+#define NO_IMPLICIT_EXTERN_C