* tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,

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

diff --git a/gcc/tree.h b/gcc/tree.h
index 0858670..b393cab 100644 (file)
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -1,6 +1,6 @@
 /* Front-end tree definitions for GNU compiler.
    Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-   2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+   2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -147,7 +147,7 @@ extern const enum tree_code_class tree_code_type[];
    expression.  */
 
 #define IS_EXPR_CODE_CLASS(CLASS)\
-       (((CLASS) - tcc_reference) <= (tcc_expression - tcc_reference))
+       ((CLASS) >= tcc_reference && (CLASS) <= tcc_expression)
 
 /* Returns nonzero iff NODE is an expression of some kind.  */
 
@@ -824,6 +824,9 @@ extern void tree_operand_check_failed (int, enum tree_code,
    had its address taken.  That matters for inline functions.  */
 #define TREE_ADDRESSABLE(NODE) ((NODE)->common.addressable_flag)
 
+/* Set on a CALL_EXPR if the call is in a tail position, ie. just before the
+   exit of a function.  Calls for which this is true are candidates for tail
+   call optimizations.  */
 #define CALL_EXPR_TAILCALL(NODE) (CALL_EXPR_CHECK(NODE)->common.addressable_flag)
 
 /* In a VAR_DECL, nonzero means allocate static storage.
@@ -966,7 +969,8 @@ extern void tree_operand_check_failed (int, enum tree_code,
 /* Nonzero in a _DECL if the name is used in its scope.
    Nonzero in an expr node means inhibit warning if value is unused.
    In IDENTIFIER_NODEs, this means that some extern decl for this name
-   was used.  */
+   was used.  
+   In a BLOCK, this means that the block contains variables that are used.  */
 #define TREE_USED(NODE) ((NODE)->common.used_flag)
 
 /* In a FUNCTION_DECL, nonzero means a call to the function cannot throw
@@ -1223,15 +1227,15 @@ struct tree_vec GTY(())
 /* SWITCH_EXPR accessors. These give access to the condition, body and
    original condition type (before any compiler conversions)
    of the switch statement, respectively.  */
-#define SWITCH_COND(NODE)       TREE_OPERAND ((NODE), 0)
-#define SWITCH_BODY(NODE)       TREE_OPERAND ((NODE), 1)
-#define SWITCH_LABELS(NODE)     TREE_OPERAND ((NODE), 2)
+#define SWITCH_COND(NODE)       TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 0)
+#define SWITCH_BODY(NODE)       TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 1)
+#define SWITCH_LABELS(NODE)     TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 2)
 
 /* CASE_LABEL_EXPR accessors. These give access to the high and low values
    of a case label, respectively.  */
-#define CASE_LOW(NODE)                 TREE_OPERAND ((NODE), 0)
-#define CASE_HIGH(NODE)                TREE_OPERAND ((NODE), 1)
-#define CASE_LABEL(NODE)               TREE_OPERAND ((NODE), 2)
+#define CASE_LOW(NODE)                 TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 0)
+#define CASE_HIGH(NODE)                TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 1)
+#define CASE_LABEL(NODE)               TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 2)
 
 /* The operands of a BIND_EXPR.  */
 #define BIND_EXPR_VARS(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 0))
@@ -1246,10 +1250,10 @@ struct tree_vec GTY(())
    instruction (e.g., "mov x, y"). ASM_OUTPUTS, ASM_INPUTS, and
    ASM_CLOBBERS represent the outputs, inputs, and clobbers for the
    statement.  */
-#define ASM_STRING(NODE)        TREE_OPERAND ((NODE), 0)
-#define ASM_OUTPUTS(NODE)       TREE_OPERAND ((NODE), 1)
-#define ASM_INPUTS(NODE)        TREE_OPERAND ((NODE), 2)
-#define ASM_CLOBBERS(NODE)      TREE_OPERAND ((NODE), 3)
+#define ASM_STRING(NODE)        TREE_OPERAND (ASM_EXPR_CHECK (NODE), 0)
+#define ASM_OUTPUTS(NODE)       TREE_OPERAND (ASM_EXPR_CHECK (NODE), 1)
+#define ASM_INPUTS(NODE)        TREE_OPERAND (ASM_EXPR_CHECK (NODE), 2)
+#define ASM_CLOBBERS(NODE)      TREE_OPERAND (ASM_EXPR_CHECK (NODE), 3)
 /* Nonzero if we want to create an ASM_INPUT instead of an
    ASM_OPERAND with no operands.  */
 #define ASM_INPUT_P(NODE) (TREE_STATIC (NODE))
@@ -2990,7 +2994,6 @@ enum attribute_flags
 
 extern tree merge_decl_attributes (tree, tree);
 extern tree merge_type_attributes (tree, tree);
-extern void default_register_cpp_builtins (struct cpp_reader *);
 
 /* Given a tree node and a string, return nonzero if the tree node is
    a valid attribute name for the string.  */
@@ -3232,8 +3235,8 @@ extern int fields_length (tree);
 
 extern bool initializer_zerop (tree);
 
-extern void categorize_ctor_elements (tree, HOST_WIDE_INT *,
-                                     HOST_WIDE_INT *, HOST_WIDE_INT *);
+extern void categorize_ctor_elements (tree, HOST_WIDE_INT *, HOST_WIDE_INT *,
+                                     HOST_WIDE_INT *, bool *);
 extern HOST_WIDE_INT count_type_elements (tree);
 
 /* add_var_to_bind_expr (bind_expr, var) binds var to bind_expr.  */
@@ -3438,7 +3441,6 @@ extern void change_decl_assembler_name (tree, tree);
 extern int type_num_arguments (tree);
 extern bool associative_tree_code (enum tree_code);
 extern bool commutative_tree_code (enum tree_code);
-extern tree get_case_label (tree);
 extern tree upper_bound_in_type (tree, tree);
 extern tree lower_bound_in_type (tree, tree);
 extern int operand_equal_for_phi_arg_p (tree, tree);
@@ -3631,9 +3633,6 @@ extern bool debug_find_tree (tree, tree);
    data structures from the inliner.  */
 extern tree unsave_expr_now (tree);
 
-/* In expr.c */
-extern void check_max_integer_computation_mode (tree);
-
 /* In emit-rtl.c */
 extern rtx emit_line_note (location_t);
 
@@ -3707,6 +3706,7 @@ extern void mark_decl_referenced (tree);
 extern void notice_global_symbol (tree);
 extern void set_user_assembler_name (tree, const char *);
 extern void process_pending_assemble_externals (void);
+extern void process_pending_assemble_output_defs (void);
 
 /* In stmt.c */
 extern void expand_computed_goto (tree);