Merge tree-ssa-20020619-branch into mainline.

[thirdparty/gcc.git] / gcc / c-lang.c

diff --git a/gcc/c-lang.c b/gcc/c-lang.c
index 0f8bf4ea49a3d0ad718093dbb83c9bb0f1adbc9f..cf422cb3cc5717ca1e3b45008ca6fe0376607a18 100644 (file)
--- a/gcc/c-lang.c
+++ b/gcc/c-lang.c
@@ -30,6 +30,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include "ggc.h"
 #include "langhooks.h"
 #include "langhooks-def.h"
+#include "tree-inline.h"
 #include "diagnostic.h"
 #include "c-pretty-print.h"
 
@@ -41,6 +42,8 @@ enum c_language_kind c_language = clk_c;
 
 #undef LANG_HOOKS_NAME
 #define LANG_HOOKS_NAME "GNU C"
+#undef LANG_HOOKS_IDENTIFIER_SIZE
+#define LANG_HOOKS_IDENTIFIER_SIZE C_SIZEOF_STRUCT_LANG_IDENTIFIER
 #undef LANG_HOOKS_INIT
 #define LANG_HOOKS_INIT c_objc_common_init
 #undef LANG_HOOKS_FINISH
@@ -61,10 +64,14 @@ enum c_language_kind c_language = clk_c;
 #define LANG_HOOKS_SAFE_FROM_P c_safe_from_p
 #undef LANG_HOOKS_EXPAND_EXPR
 #define LANG_HOOKS_EXPAND_EXPR c_expand_expr
+#undef LANG_HOOKS_EXPAND_DECL
+#define LANG_HOOKS_EXPAND_DECL c_expand_decl
 #undef LANG_HOOKS_MARK_ADDRESSABLE
 #define LANG_HOOKS_MARK_ADDRESSABLE c_mark_addressable
 #undef LANG_HOOKS_PARSE_FILE
 #define LANG_HOOKS_PARSE_FILE c_common_parse_file
+#undef LANG_HOOKS_CLEAR_BINDING_STACK
+#define LANG_HOOKS_CLEAR_BINDING_STACK lhd_do_nothing
 #undef LANG_HOOKS_TRUTHVALUE_CONVERSION
 #define LANG_HOOKS_TRUTHVALUE_CONVERSION c_objc_common_truthvalue_conversion
 #undef LANG_HOOKS_FINISH_INCOMPLETE_DECL
@@ -85,13 +92,10 @@ enum c_language_kind c_language = clk_c;
 #define LANG_HOOKS_FUNCTION_ENTER_NESTED c_push_function_context
 #undef LANG_HOOKS_FUNCTION_LEAVE_NESTED
 #define LANG_HOOKS_FUNCTION_LEAVE_NESTED c_pop_function_context
+#undef LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P
+#define LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P c_missing_noreturn_ok_p
 #undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL
 #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL c_dup_lang_specific_decl
-#undef LANG_HOOKS_DECL_UNINIT
-#define LANG_HOOKS_DECL_UNINIT c_decl_uninit
-
-#undef LANG_HOOKS_RTL_EXPAND_STMT
-#define LANG_HOOKS_RTL_EXPAND_STMT expand_stmt
 
 /* Attribute hooks.  */
 #undef LANG_HOOKS_COMMON_ATTRIBUTE_TABLE
@@ -99,20 +103,24 @@ enum c_language_kind c_language = clk_c;
 #undef LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE
 #define LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE c_common_format_attribute_table
 
+#undef LANG_HOOKS_TREE_INLINING_WALK_SUBTREES
+#define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES \
+  c_walk_subtrees
 #undef LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN
 #define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \
   c_cannot_inline_tree_fn
 #undef LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS
 #define LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS \
   c_disregard_inline_limits
+#undef LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P
+#define LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P \
+  c_tree_chain_matters_p
 #undef LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P
 #define LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P \
   anon_aggr_type_p
 #undef LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING
 #define LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING \
   c_convert_parm_for_inlining
-#undef LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS
-#define LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS c_estimate_num_insns
 #undef LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN
 #define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN c_dump_tree
 
@@ -136,9 +144,29 @@ enum c_language_kind c_language = clk_c;
 #undef LANG_HOOKS_REGISTER_BUILTIN_TYPE
 #define LANG_HOOKS_REGISTER_BUILTIN_TYPE c_register_builtin_type
 
+/* The C front end's scoping structure is very different from
+   that expected by the language-independent code; it is best
+   to disable all of pushlevel, poplevel, set_block, and getdecls.
+   This means it must also provide its own write_globals.  */
+
+#undef LANG_HOOKS_PUSHLEVEL
+#define LANG_HOOKS_PUSHLEVEL lhd_do_nothing_i
+#undef LANG_HOOKS_POPLEVEL
+#define LANG_HOOKS_POPLEVEL lhd_do_nothing_iii_return_null_tree
+#undef LANG_HOOKS_SET_BLOCK
+#define LANG_HOOKS_SET_BLOCK lhd_do_nothing_t
+#undef LANG_HOOKS_GETDECLS
+#define LANG_HOOKS_GETDECLS lhd_return_null_tree_v
 #undef LANG_HOOKS_WRITE_GLOBALS
 #define LANG_HOOKS_WRITE_GLOBALS c_write_global_declarations
 
+/* Hooks for tree gimplification.  */
+#undef LANG_HOOKS_GIMPLIFY_EXPR
+#define LANG_HOOKS_GIMPLIFY_EXPR c_gimplify_expr
+
+#undef LANG_HOOKS_TYPES_COMPATIBLE_P
+#define LANG_HOOKS_TYPES_COMPATIBLE_P c_types_compatible_p
+
 /* ### When changing hooks, consider if ObjC needs changing too!! ### */
 
 /* Each front end provides its own.  */
@@ -185,6 +213,11 @@ finish_file (void)
   c_objc_common_finish_file ();
 }
 
+int
+c_types_compatible_p (tree x, tree y)
+{
+    return comptypes (TYPE_MAIN_VARIANT (x), TYPE_MAIN_VARIANT (y), 0);
+}
 static void
 c_initialize_diagnostics (diagnostic_context *context)
 {