/* toplev.h - Various declarations for functions found in toplev.c
- Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004
+ Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005
Free Software Foundation, Inc.
This file is part of GCC.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA. */
#ifndef GCC_TOPLEV_H
#define GCC_TOPLEV_H
/* If we haven't already defined a frontend specific diagnostics
style, use the generic one. */
#ifndef GCC_DIAG_STYLE
-#define GCC_DIAG_STYLE __gcc_diag__
+#define GCC_DIAG_STYLE __gcc_tdiag__
#endif
/* None of these functions are suitable for ATTRIBUTE_PRINTF, because
each language front end can extend them with its own set of format
specifiers. We must use custom format checks. */
-#if GCC_VERSION >= 3004
+#if GCC_VERSION >= 4001
#define ATTRIBUTE_GCC_DIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m)
#else
#define ATTRIBUTE_GCC_DIAG(m, n) ATTRIBUTE_NONNULL(m)
#endif
extern void internal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
ATTRIBUTE_NORETURN;
-extern void warning (const char *, ...);
-extern void error (const char *, ...);
+extern void warning0 (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+/* Pass one of the OPT_W* from options.h as the first parameter. */
+extern void warning (int, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
+extern void error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
extern void fatal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
ATTRIBUTE_NORETURN;
-extern void pedwarn (const char *, ...);
-extern void sorry (const char *, ...);
+extern void pedwarn (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+extern void sorry (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
extern void inform (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+extern void verbatim (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
-extern void rest_of_decl_compilation (tree, const char *, int, int);
+extern void rest_of_decl_compilation (tree, int, int);
extern void rest_of_type_compilation (tree, int);
-extern void rest_of_compilation (tree);
-extern void tree_rest_of_compilation (tree, bool);
-extern void init_tree_optimization_passes (void);
+extern void tree_rest_of_compilation (tree);
extern void init_optimization_passes (void);
extern void finish_optimization_passes (void);
extern bool enable_rtl_dump_file (int);
ATTRIBUTE_PRINTF_2;
#endif
-extern int wrapup_global_declarations (tree *, int);
+extern void wrapup_global_declaration_1 (tree);
+extern bool wrapup_global_declaration_2 (tree);
+extern bool wrapup_global_declarations (tree *, int);
+extern void check_global_declaration_1 (tree);
extern void check_global_declarations (tree *, int);
+extern void emit_debug_global_declarations (tree *, int);
extern void write_global_declarations (void);
/* A unique local time stamp, might be zero if none is available. */
extern const char *aux_info_file_name;
extern const char *asm_file_name;
extern bool exit_after_options;
-extern bool version_flag;
extern int target_flags_explicit;
+/* True if the user has tagged the function with the 'section'
+ attribute. */
+
+extern bool user_defined_section_attribute;
+
/* See toplev.c. */
-extern int flag_loop_optimize;
extern int flag_crossjumping;
extern int flag_if_conversion;
extern int flag_if_conversion2;
extern int flag_unswitch_loops;
extern int flag_cprop_registers;
extern int time_report;
-extern int flag_new_regalloc;
-extern int flag_tree_based_profiling;
/* Things to do with target switches. */
-extern void display_target_options (void);
extern void print_version (FILE *, const char *);
-extern void set_target_switch (const char *);
extern void * default_get_pch_validity (size_t *);
extern const char * default_pch_valid_p (const void *, size_t);
/* Return true iff flags are set as if -ffast-math. */
extern bool fast_math_flags_set_p (void);
-/* The following functions accept a wide integer argument. Rather
- than having to cast on every function call, we use a macro instead. */
+/* Return log2, or -1 if not exact. */
+extern int exact_log2 (unsigned HOST_WIDE_INT);
-#ifndef exact_log2
-#define exact_log2(N) exact_log2_wide ((unsigned HOST_WIDE_INT) (N))
-#define floor_log2(N) floor_log2_wide ((unsigned HOST_WIDE_INT) (N))
-#endif
-extern int exact_log2_wide (unsigned HOST_WIDE_INT);
-extern int floor_log2_wide (unsigned HOST_WIDE_INT);
+/* Return floor of log2, with -1 for zero. */
+extern int floor_log2 (unsigned HOST_WIDE_INT);
+
+/* Inline versions of the above for speed. */
+#if GCC_VERSION >= 3004
+# if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
+# define CLZ_HWI __builtin_clzl
+# define CTZ_HWI __builtin_ctzl
+# elif HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONGLONG
+# define CLZ_HWI __builtin_clzll
+# define CTZ_HWI __builtin_ctzll
+# else
+# define CLZ_HWI __builtin_clz
+# define CTZ_HWI __builtin_ctz
+# endif
+
+extern inline int
+floor_log2 (unsigned HOST_WIDE_INT x)
+{
+ return x ? HOST_BITS_PER_WIDE_INT - 1 - (int) CLZ_HWI (x) : -1;
+}
+
+extern inline int
+exact_log2 (unsigned HOST_WIDE_INT x)
+{
+ return x == (x & -x) && x ? (int) CTZ_HWI (x) : -1;
+}
+#endif /* GCC_VERSION >= 3004 */
/* Functions used to get and set GCC's notion of in what directory
compilation was started. */
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