2006-12-13 Jakub Jelinek <jakub@redhat.com>

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

diff --git a/gcc/tree.h b/gcc/tree.h
index 98be968..f88c244 100644 (file)
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -107,7 +107,8 @@ extern const enum tree_code_class tree_code_type[];
 #define MTAG_P(CODE) \
   (TREE_CODE (CODE) == STRUCT_FIELD_TAG                \
    || TREE_CODE (CODE) == NAME_MEMORY_TAG      \
-   || TREE_CODE (CODE) == SYMBOL_MEMORY_TAG)
+   || TREE_CODE (CODE) == SYMBOL_MEMORY_TAG    \
+   || TREE_CODE (CODE) == MEMORY_PARTITION_TAG)
 
 
 /* Nonzero if DECL represents a VAR_DECL or FUNCTION_DECL.  */
@@ -1587,6 +1588,12 @@ struct tree_constructor GTY(())
 #define COND_EXPR_THEN(NODE)   (TREE_OPERAND (COND_EXPR_CHECK (NODE), 1))
 #define COND_EXPR_ELSE(NODE)   (TREE_OPERAND (COND_EXPR_CHECK (NODE), 2))
 
+/* Accessors for the chains of recurrences.  */
+#define CHREC_VAR(NODE)           TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 0)
+#define CHREC_LEFT(NODE)          TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 1)
+#define CHREC_RIGHT(NODE)         TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 2)
+#define CHREC_VARIABLE(NODE)      TREE_INT_CST_LOW (CHREC_VAR (NODE))
+
 /* LABEL_EXPR accessor. This gives access to the label associated with
    the given label expression.  */
 #define LABEL_EXPR_LABEL(NODE)  TREE_OPERAND (LABEL_EXPR_CHECK (NODE), 0)
@@ -1756,6 +1763,14 @@ struct tree_exp GTY(())
 #define SSA_NAME_IN_FREE_LIST(NODE) \
     SSA_NAME_CHECK (NODE)->base.nothrow_flag
 
+/* Nonzero if this SSA_NAME is the default definition for the
+   underlying symbol.  A default SSA name is created for symbol S if
+   the very first reference to S in the function is a read operation.
+   Default definitions are always created by an empty statement and
+   belong to no basic block.  */
+#define SSA_NAME_IS_DEFAULT_DEF(NODE)  \
+    SSA_NAME_CHECK (NODE)->base.volatile_flag
+
 /* Attributes for SSA_NAMEs for pointer-type variables.  */
 #define SSA_NAME_PTR_INFO(N) \
     SSA_NAME_CHECK (N)->ssa_name.ptr_info
@@ -1845,13 +1860,14 @@ struct tree_phi_node GTY(())
   int num_args;
   int capacity;
 
-  /* Basic block to that the phi node belongs.  */
+  /* Basic block holding this PHI node.  */
   struct basic_block_def *bb;
 
   /* Arguments of the PHI node.  These are maintained in the same
      order as predecessor edge vector BB->PREDS.  */
   struct phi_arg_d GTY ((length ("((tree)&%h)->phi.num_args"))) a[1];
 };
+
 \f
 #define OMP_CLAUSE_CODE(NODE)                                  \
        (OMP_CLAUSE_CHECK (NODE))->omp_clause.code
@@ -2429,6 +2445,20 @@ struct tree_struct_field_tag GTY(())
 #define SFT_OFFSET(NODE) (STRUCT_FIELD_TAG_CHECK (NODE)->sft.offset)
 #define SFT_SIZE(NODE) (STRUCT_FIELD_TAG_CHECK (NODE)->sft.size)
 
+/* Memory Partition Tags (MPTs) group memory symbols under one
+   common name for the purposes of placing memory PHI nodes.  */
+
+struct tree_memory_partition_tag GTY(())
+{
+  struct tree_memory_tag common;
+  
+  /* Set of symbols grouped under this MPT.  */
+  bitmap symbols;
+};
+
+#define MPT_SYMBOLS(NODE)      (MEMORY_PARTITION_TAG_CHECK (NODE)->mpt.symbols)
+
+
 /* For any sort of a ..._DECL node, this points to the original (abstract)
    decl node which this decl is an instance of, or else it is NULL indicating
    that this decl is not an instance of some other decl.  For example,
@@ -2568,12 +2598,13 @@ struct tree_struct_field_tag GTY(())
 #define DECL_PRESERVE_P(DECL) \
   DECL_COMMON_CHECK (DECL)->decl_common.preserve_flag
 
-/* For function local variables of COMPLEX type, indicates that the
-   variable is not aliased, and that all modifications to the variable
-   have been adjusted so that they are killing assignments.  Thus the
-   variable may now be treated as a GIMPLE register, and use real
-   instead of virtual ops in SSA form.  */
-#define DECL_COMPLEX_GIMPLE_REG_P(DECL) \
+/* For function local variables of COMPLEX and VECTOR types,
+   indicates that the variable is not aliased, and that all
+   modifications to the variable have been adjusted so that
+   they are killing assignments.  Thus the variable may now
+   be treated as a GIMPLE register, and use real instead of
+   virtual ops in SSA form.  */
+#define DECL_GIMPLE_REG_P(DECL) \
   DECL_COMMON_CHECK (DECL)->decl_common.gimple_reg_flag
 
 /* This is true if DECL is call clobbered in the current function.
@@ -3250,6 +3281,7 @@ union tree_node GTY ((ptr_alias (union lang_tree_node),
   struct tree_memory_tag GTY ((tag ("TS_MEMORY_TAG"))) mtag;
   struct tree_struct_field_tag GTY ((tag ("TS_STRUCT_FIELD_TAG"))) sft;
   struct tree_omp_clause GTY ((tag ("TS_OMP_CLAUSE"))) omp_clause;
+  struct tree_memory_partition_tag GTY ((tag ("TS_MEMORY_PARTITION_TAG"))) mpt;
 };
 \f
 /* Standard named or nameless data types of the C compiler.  */
@@ -3490,6 +3522,7 @@ enum ptrmemfunc_vbit_where_t
 #define NULL_TREE (tree) NULL
 
 extern tree decl_assembler_name (tree);
+extern bool decl_assembler_name_equal (tree decl, tree asmname);
 
 /* Compute the number of bytes occupied by 'node'.  This routine only
    looks at TREE_CODE and, if the code is TREE_VEC, TREE_VEC_LENGTH.  */
@@ -4355,7 +4388,10 @@ extern tree strip_float_extensions (tree);
 extern tree c_strlen (tree, int);
 extern tree std_gimplify_va_arg_expr (tree, tree, tree *, tree *);
 extern tree build_va_arg_indirect_ref (tree);
-tree build_string_literal (int, const char *);
+extern tree build_string_literal (int, const char *);
+extern int validate_arglist (tree, ...);
+extern rtx builtin_memset_read_str (void *, HOST_WIDE_INT, enum machine_mode);
+extern int get_pointer_alignment (tree, unsigned int);
 
 /* In convert.c */
 extern tree strip_float_extensions (tree);