2010-08-27 Jerry DeLisle <jvdelisle@gcc.gnu.org>

[pf3gnuchains/gcc-fork.git] / gcc / tree.h

diff --git a/gcc/tree.h b/gcc/tree.h
index 326950c..907fc3e 100644 (file)
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -184,10 +184,21 @@ extern const char *const tree_code_name[];
    of an alias.  This requires that the decl have been defined.  Aliases
    that precede their definition have to be queued for later processing.  */
 
+/* The deferred processing proceeds in several passes.  We memorize the
+   diagnostics emitted for a pair to prevent repeating messages when the
+   queue gets re-scanned after possible updates.  */
+
+typedef enum {
+  ALIAS_DIAG_NONE      = 0x0,
+  ALIAS_DIAG_TO_UNDEF  = 0x1,
+  ALIAS_DIAG_TO_EXTERN = 0x2
+} alias_diag_flags;
+  
 typedef struct GTY(()) alias_pair
 {
   tree decl;
-  tree target;
+  tree target;  
+  int  emitted_diags;  /* alias_diags already emitted for this pair.  */
 } alias_pair;
 
 /* Define gc'd vector type.  */
@@ -387,8 +398,9 @@ struct GTY(()) tree_base {
   unsigned visited : 1;
   unsigned packed_flag : 1;
   unsigned user_align : 1;
+  unsigned nameless_flag : 1;
 
-  unsigned spare : 13;
+  unsigned spare : 12;
 
   /* This field is only used with type nodes; the only reason it is present
      in tree_base instead of tree_type is to save space.  The size of the
@@ -1621,7 +1633,6 @@ extern void protected_set_expr_location (tree, location_t);
 #define TMR_INDEX(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 2))
 #define TMR_STEP(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 3))
 #define TMR_OFFSET(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 4))
-#define TMR_ORIGINAL(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 5))
 
 /* The operands of a BIND_EXPR.  */
 #define BIND_EXPR_VARS(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 0))
@@ -2180,6 +2191,9 @@ extern enum machine_mode vector_type_mode (const_tree);
    the term.  */
 #define TYPE_RESTRICT(NODE) (TYPE_CHECK (NODE)->type.restrict_flag)
 
+/* If nonzero, type's name shouldn't be emitted into debug info.  */
+#define TYPE_NAMELESS(NODE) (TYPE_CHECK (NODE)->base.nameless_flag)
+
 /* The address space the type is in.  */
 #define TYPE_ADDR_SPACE(NODE) (TYPE_CHECK (NODE)->base.address_space)
 
@@ -2529,6 +2543,10 @@ struct function;
 #define DECL_CONTEXT(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.context)
 #define DECL_FIELD_CONTEXT(NODE) \
   (FIELD_DECL_CHECK (NODE)->decl_minimal.context)
+
+/* If nonzero, decl's name shouldn't be emitted into debug info.  */
+#define DECL_NAMELESS(NODE) (DECL_MINIMAL_CHECK (NODE)->base.nameless_flag)
+
 struct GTY(()) tree_decl_minimal {
   struct tree_common common;
   location_t locus;
@@ -2842,9 +2860,7 @@ struct GTY(()) tree_decl_with_rtl {
 
 /* Specify that DECL_ALIGN(NODE) is a multiple of X.  */
 #define SET_DECL_OFFSET_ALIGN(NODE, X) \
-  (FIELD_DECL_CHECK (NODE)->decl_common.off_align = exact_log2 ((X) & -(X)))
-/* 1 if the alignment for this type was requested by "aligned" attribute,
-   0 if it is the default for this type.  */
+  (FIELD_DECL_CHECK (NODE)->decl_common.off_align = ffs_hwi (X) - 1)
 
 /* For FIELD_DECLS, DECL_FCONTEXT is the *first* baseclass in
    which this FIELD_DECL is defined.  This information is needed when
@@ -3515,6 +3531,7 @@ enum tree_index
 
   TI_INTEGER_ZERO,
   TI_INTEGER_ONE,
+  TI_INTEGER_THREE,
   TI_INTEGER_MINUS_ONE,
   TI_NULL_POINTER,
 
@@ -3669,6 +3686,7 @@ extern GTY(()) tree global_trees[TI_MAX];
 
 #define integer_zero_node              global_trees[TI_INTEGER_ZERO]
 #define integer_one_node               global_trees[TI_INTEGER_ONE]
+#define integer_three_node              global_trees[TI_INTEGER_THREE]
 #define integer_minus_one_node         global_trees[TI_INTEGER_MINUS_ONE]
 #define size_zero_node                 global_trees[TI_SIZE_ZERO]
 #define size_one_node                  global_trees[TI_SIZE_ONE]
@@ -4092,8 +4110,20 @@ extern int attribute_list_contained (const_tree, const_tree);
 extern int tree_int_cst_equal (const_tree, const_tree);
 extern int tree_int_cst_lt (const_tree, const_tree);
 extern int tree_int_cst_compare (const_tree, const_tree);
-extern int host_integerp (const_tree, int);
+extern int host_integerp (const_tree, int)
+#ifndef ENABLE_TREE_CHECKING
+  ATTRIBUTE_PURE /* host_integerp is pure only when checking is disabled.  */
+#endif
+  ;
 extern HOST_WIDE_INT tree_low_cst (const_tree, int);
+#if !defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 4003)
+extern inline __attribute__ ((__gnu_inline__)) HOST_WIDE_INT
+tree_low_cst (const_tree t, int pos)
+{
+  gcc_assert (host_integerp (t, pos));
+  return TREE_INT_CST_LOW (t);
+}
+#endif
 extern int tree_int_cst_msb (const_tree);
 extern int tree_int_cst_sgn (const_tree);
 extern int tree_int_cst_sign_bit (const_tree);
@@ -5025,10 +5055,10 @@ extern tree build_string_literal (int, const char *);
 extern bool validate_arglist (const_tree, ...);
 extern rtx builtin_memset_read_str (void *, HOST_WIDE_INT, enum machine_mode);
 extern bool can_trust_pointer_alignment (void);
-extern int get_pointer_alignment (tree, unsigned int);
+extern unsigned int get_pointer_alignment (tree, unsigned int);
 extern bool is_builtin_name (const char *);
 extern bool is_builtin_fn (tree);
-extern int get_object_alignment (tree, unsigned int, unsigned int);
+extern unsigned int get_object_alignment (tree, unsigned int);
 extern tree fold_call_stmt (gimple, bool);
 extern tree gimple_fold_builtin_snprintf_chk (gimple, tree, enum built_in_function);
 extern tree make_range (tree, int *, tree *, tree *, bool *);
@@ -5247,7 +5277,6 @@ extern void set_user_assembler_name (tree, const char *);
 extern void process_pending_assemble_externals (void);
 extern void finish_aliases_1 (void);
 extern void finish_aliases_2 (void);
-extern tree emutls_decl (tree);
 extern void remove_unreachable_alias_pairs (void);
 
 /* In stmt.c */
@@ -5339,8 +5368,6 @@ typedef enum
   e_kind,
   c_kind,
   id_kind,
-  perm_list_kind,
-  temp_list_kind,
   vec_kind,
   binfo_kind,
   ssa_name_kind,