re PR target/53283 (Many failures on x86_64-apple-darwin10 after revision 186789)

	PR target/53283
	* config/i386/i386.c (ix86_fold_builtin): Call SUBTARGET_FOLD_BUILTIN
	if defined.
	* config/darwin.h: Rename TARGET_FOLD_BUILTIN to
	SUBTARGET_FOLD_BUILTIN.
	* config/rs6000/darwin.h: Map TARGET_FOLD_BUILTIN onto
	SUBTARGET_FOLD_BUILTIN.

From-SVN: r189391

gcc/ChangeLog

 2012-07-09  Iain Sandoe  <iain@codesourcery.com>
 
+	PR target/53283
+	* config/i386/i386.c (ix86_fold_builtin): Call SUBTARGET_FOLD_BUILTIN
+	if defined.
+	* config/darwin.h: Rename TARGET_FOLD_BUILTIN to
+	SUBTARGET_FOLD_BUILTIN.
+	* config/rs6000/darwin.h: Map TARGET_FOLD_BUILTIN onto
+	SUBTARGET_FOLD_BUILTIN.
+
+2012-07-09  Iain Sandoe  <iain@codesourcery.com>
+
 	* config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Move NeXT
 	runtime exceptions model setting from here ...
 	* config/darwin.c (darwin_override_options): ... to here.

gcc/config/darwin.h

@@ -902,7 +902,7 @@ void add_framework_path (char *);
 #define TARGET_KEXTABI flag_apple_kext
 
 /* We have target-specific builtins.  */
-#define TARGET_FOLD_BUILTIN darwin_fold_builtin
+#define SUBTARGET_FOLD_BUILTIN darwin_fold_builtin
 
 #define TARGET_N_FORMAT_TYPES 1
 #define TARGET_FORMAT_TYPES darwin_additional_format_types

gcc/config/i386/i386.c

@@ -28097,6 +28097,10 @@ ix86_fold_builtin (tree fndecl, int n_args,
 	}
     }
 
+#ifdef SUBTARGET_FOLD_BUILTIN
+  return SUBTARGET_FOLD_BUILTIN (fndecl, n_args, args, ignore);
+#endif
+
   return NULL_TREE;
 }
 

gcc/config/rs6000/darwin.h

@@ -422,3 +422,7 @@ do {									\
   rs6000_builtin_decls[(unsigned) (RS6000_BUILTIN_CFSTRING)]		\
     = darwin_init_cfstring_builtins ((unsigned) (RS6000_BUILTIN_CFSTRING)); \
 } while(0)
+
+/* So far, there is no rs6000_fold_builtin, if one is introduced, then
+   this will need to be modified similar to the x86 case.  */
+#define TARGET_FOLD_BUILTIN SUBTARGET_FOLD_BUILTIN