AVX-512. 81.1/n. Extend `function_code' field `tree_var_decl' structure.

gcc/
	* tree-core.h (tree_var_decl): Extend `function_code' field
	by one bit, move `regdecl_flag' field to ...
	(tree_decl_with_vis): Here.
	* tree.h (DECL_STATIC_CHAIN): Update struct name.

From-SVN: r216590

gcc/ChangeLog

+2014-10-23  Kirill Yukhin  <kirill.yukhin@intel.com>
+
+	* tree-core.h (tree_var_decl): Extend `function_code' field
+	by one bit, move `regdecl_flag' field to ...
+	(tree_decl_with_vis): Here.
+	* tree.h (DECL_STATIC_CHAIN): Update struct name.
+
 2014-10-23  Richard Biener  <rguenther@suse.de>
 
 	* Makefile.in (BUILD_CPPLIB): Add.

gcc/tree-core.h

@@ -1498,7 +1498,9 @@ struct GTY(()) tree_decl_with_vis {
  unsigned cxx_destructor : 1;
  /* Belong to FUNCTION_DECL exclusively.  */
  unsigned final : 1;
- /* 15 unused bits. */
+ /* Belong to FUNCTION_DECL exclusively.  */
+ unsigned regdecl_flag : 1;
+ /* 14 unused bits. */
 };
 
 struct GTY(()) tree_var_decl {
@@ -1539,20 +1541,19 @@ struct GTY(()) tree_function_decl {
      DECL_FUNCTION_CODE.  Otherwise unused.
      ???  The bitfield needs to be able to hold all target function
 	  codes as well.  */
-  ENUM_BITFIELD(built_in_function) function_code : 11;
+  ENUM_BITFIELD(built_in_function) function_code : 12;
   ENUM_BITFIELD(built_in_class) built_in_class : 2;
 
   unsigned static_ctor_flag : 1;
   unsigned static_dtor_flag : 1;
-  unsigned uninlinable : 1;
 
+  unsigned uninlinable : 1;
   unsigned possibly_inlined : 1;
   unsigned novops_flag : 1;
   unsigned returns_twice_flag : 1;
   unsigned malloc_flag : 1;
   unsigned operator_new_flag : 1;
   unsigned declared_inline_flag : 1;
-  unsigned regdecl_flag : 1;
   unsigned no_inline_warning_flag : 1;
 
   unsigned no_instrument_function_entry_exit : 1;

gcc/tree.h

@@ -2553,7 +2553,7 @@ extern void decl_fini_priority_insert (tree, priority_type);
 
 /* In a FUNCTION_DECL indicates that a static chain is needed.  */
 #define DECL_STATIC_CHAIN(NODE) \
-  (FUNCTION_DECL_CHECK (NODE)->function_decl.regdecl_flag)
+  (FUNCTION_DECL_CHECK (NODE)->decl_with_vis.regdecl_flag)
 
 /* Nonzero for a decl that cgraph has decided should be inlined into
    at least one call site.  It is not meaningful to look at this