[patch committed SH] Fix build failure

[Kaz Kojima <kkojima@rr.iij4u.or.jp>]

I've committed the attached patch to fix build failure on SH
during compiling tree-profile.c:

../trunk/gcc/tree-profile.c: In function 'unsigned int tree_profiling()':
../trunk/gcc/tree-profile.c:560:12: error: 'TARGET_ATOMIC_ANY' was not declared in this scope

The target sets HAVE_atomic_compare_and_swapsi to TARGET_ATOMIC_ANY
defined in sh-protos.h which can't be seen from tree-profile.c.
The patch simply moves definitions for atomic models to sh.h from
sh-protos.h and guard them with __cplusplus.

Regards,
	kaz
--
2016-09-07  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh-protos.h (struct sh_atomic_model,
	selected_atomic_model, TARGET_ATOMIC_ANY, TARGET_ATOMIC_STRICT,
	TARGET_ATOMIC_SOFT_GUSA, TARGET_ATOMIC_HARD_LLCS,
	TARGET_ATOMIC_SOFT_TCB, TARGET_ATOMIC_SOFT_IMASK): Move to...
	* config/sh/sh.h (struct sh_atomic_model,
	selected_atomic_model, TARGET_ATOMIC_ANY, TARGET_ATOMIC_STRICT,
	TARGET_ATOMIC_SOFT_GUSA, TARGET_ATOMIC_HARD_LLCS,
	TARGET_ATOMIC_SOFT_TCB, TARGET_ATOMIC_SOFT_IMASK): ...here.
	Guard with __cplusplus.

diff --git a/config/sh/sh-protos.h b/config/sh/sh-protos.h
index fecbb88..f611dab 100644
--- a/config/sh/sh-protos.h
+++ b/config/sh/sh-protos.h
@@ -35,59 +35,6 @@ enum sh_function_kind {
   SFUNC_STATIC
 };
 
-/* Atomic model.  */
-struct sh_atomic_model
-{
-  enum enum_type
-  {
-    none = 0,
-    soft_gusa,
-    hard_llcs,
-    soft_tcb,
-    soft_imask,
-
-    num_models
-  };
-
-  /*  If strict is set, disallow mixing of different models, as it would
-      happen on SH4A.  */
-  bool strict;
-  enum_type type;
-
-  /* Name string as it was specified on the command line.  */
-  const char* name;
-
-  /* Name string as it is used in C/C++ defines.  */
-  const char* cdef_name;
-
-  /* GBR offset variable for TCB model.  */
-  int tcb_gbr_offset;
-};
-
-extern const sh_atomic_model& selected_atomic_model (void);
-
-/* Shortcuts to check the currently selected atomic model.  */
-#define TARGET_ATOMIC_ANY \
-  (selected_atomic_model ().type != sh_atomic_model::none)
-
-#define TARGET_ATOMIC_STRICT \
-  (selected_atomic_model ().strict)
-
-#define TARGET_ATOMIC_SOFT_GUSA \
-  (selected_atomic_model ().type == sh_atomic_model::soft_gusa)
-
-#define TARGET_ATOMIC_HARD_LLCS \
-  (selected_atomic_model ().type == sh_atomic_model::hard_llcs)
-
-#define TARGET_ATOMIC_SOFT_TCB \
-  (selected_atomic_model ().type == sh_atomic_model::soft_tcb)
-
-#define TARGET_ATOMIC_SOFT_TCB_GBR_OFFSET_RTX \
-  GEN_INT (selected_atomic_model ().tcb_gbr_offset)
-
-#define TARGET_ATOMIC_SOFT_IMASK \
-  (selected_atomic_model ().type == sh_atomic_model::soft_imask)
-
 #ifdef RTX_CODE
 extern rtx sh_fsca_sf2int (void);
 extern rtx sh_fsca_int2sf (void);
diff --git a/config/sh/sh.h b/config/sh/sh.h
index 0403616..25b6cee 100644
--- a/config/sh/sh.h
+++ b/config/sh/sh.h
@@ -333,6 +333,63 @@ extern enum sh_divide_strategy_e sh_div_strategy;
 #define SH_DIV_STRATEGY_DEFAULT SH_DIV_CALL_DIV1
 #endif
 
+#ifdef __cplusplus
+
+/* Atomic model.  */
+struct sh_atomic_model
+{
+  enum enum_type
+  {
+    none = 0,
+    soft_gusa,
+    hard_llcs,
+    soft_tcb,
+    soft_imask,
+
+    num_models
+  };
+
+  /*  If strict is set, disallow mixing of different models, as it would
+      happen on SH4A.  */
+  bool strict;
+  enum_type type;
+
+  /* Name string as it was specified on the command line.  */
+  const char* name;
+
+  /* Name string as it is used in C/C++ defines.  */
+  const char* cdef_name;
+
+  /* GBR offset variable for TCB model.  */
+  int tcb_gbr_offset;
+};
+
+extern const sh_atomic_model& selected_atomic_model (void);
+
+/* Shortcuts to check the currently selected atomic model.  */
+#define TARGET_ATOMIC_ANY \
+  (selected_atomic_model ().type != sh_atomic_model::none)
+
+#define TARGET_ATOMIC_STRICT \
+  (selected_atomic_model ().strict)
+
+#define TARGET_ATOMIC_SOFT_GUSA \
+  (selected_atomic_model ().type == sh_atomic_model::soft_gusa)
+
+#define TARGET_ATOMIC_HARD_LLCS \
+  (selected_atomic_model ().type == sh_atomic_model::hard_llcs)
+
+#define TARGET_ATOMIC_SOFT_TCB \
+  (selected_atomic_model ().type == sh_atomic_model::soft_tcb)
+
+#define TARGET_ATOMIC_SOFT_TCB_GBR_OFFSET_RTX \
+  GEN_INT (selected_atomic_model ().tcb_gbr_offset)
+
+#define TARGET_ATOMIC_SOFT_IMASK \
+  (selected_atomic_model ().type == sh_atomic_model::soft_imask)
+
+#endif // __cplusplus
+
 #define SUBTARGET_OVERRIDE_OPTIONS (void) 0
 
 \f