/* toplev.h - Various declarations for functions found in toplev.c
- Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007
+ Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007,
+ 2008, 2009, 2010
Free Software Foundation, Inc.
This file is part of GCC.
#ifndef GCC_TOPLEV_H
#define GCC_TOPLEV_H
#include "input.h"
+#include "bversion.h"
/* If non-NULL, return one past-the-end of the matching SUBPART of
the WHOLE string. */
#define skip_leading_substring(whole, part) \
(strncmp (whole, part, strlen (part)) ? NULL : whole + strlen (part))
-extern int toplev_main (unsigned int, const char **);
-extern int read_integral_parameter (const char *, const char *, const int);
-extern void strip_off_ending (char *, int);
-extern const char *trim_filename (const char *);
-extern void _fatal_insn_not_found (const_rtx, const char *, int, const char *)
- ATTRIBUTE_NORETURN;
-extern void _fatal_insn (const char *, const_rtx, const char *, int, const char *)
- ATTRIBUTE_NORETURN;
-
-#define fatal_insn(msgid, insn) \
- _fatal_insn (msgid, insn, __FILE__, __LINE__, __FUNCTION__)
-#define fatal_insn_not_found(insn) \
- _fatal_insn_not_found (insn, __FILE__, __LINE__, __FUNCTION__)
-
-/* If we haven't already defined a frontend specific diagnostics
- style, use the generic one. */
-#ifndef GCC_DIAG_STYLE
-#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 >= 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;
-/* Pass one of the OPT_W* from options.h as the first parameter. */
-extern bool warning (int, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
-extern bool warning_at (location_t, int, const char *, ...)
- ATTRIBUTE_GCC_DIAG(3,4);
-extern void error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
-extern void fatal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
- ATTRIBUTE_NORETURN;
-/* Pass one of the OPT_W* from options.h as the first parameter. */
-extern bool pedwarn (int, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
-extern bool pedwarn_at (location_t, int, const char *, ...)
- ATTRIBUTE_GCC_DIAG(3,4);
-extern bool permerror (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
-extern void sorry (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
-extern void inform (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
-extern void verbatim (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+/* Decoded options, and number of such options. */
+extern struct cl_decoded_option *save_decoded_options;
+extern unsigned int save_decoded_options_count;
+extern int toplev_main (int, char **);
+extern void strip_off_ending (char *, int);
extern void rest_of_decl_compilation (tree, int, int);
extern void rest_of_type_compilation (tree, int);
extern void tree_rest_of_compilation (tree);
extern void finish_optimization_passes (void);
extern bool enable_rtl_dump_file (void);
+/* In except.c. Initialize exception handling. This is used by the Ada
+ and LTO front ends to initialize EH "on demand". See lto-streamer-in.c
+ and ada/gcc-interface/misc.c. */
+extern void init_eh (void);
+
extern void announce_function (tree);
-extern void error_for_asm (const_rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
-extern void warning_for_asm (const_rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
-extern void warn_deprecated_use (tree);
+extern void warn_deprecated_use (tree, tree);
extern bool parse_optimize_options (tree, bool);
#ifdef BUFSIZ
extern void output_quoted_string (FILE *, const char *);
-extern void output_file_directive (FILE *, const char *);
-#endif
-
-#ifdef BUFSIZ
- /* N.B. Unlike all the others, fnotice is just gettext+fprintf, and
- therefore it can have ATTRIBUTE_PRINTF. */
-extern void fnotice (FILE *, const char *, ...)
- ATTRIBUTE_PRINTF_2;
#endif
extern void wrapup_global_declaration_1 (tree);
/* A unique local time stamp, might be zero if none is available. */
extern unsigned local_tick;
-extern const char *progname;
-extern const char *dump_base_name;
-extern const char *aux_base_name;
-extern const char *aux_info_file_name;
+/* Top-level source file. */
+extern const char *main_input_filename;
+extern const char *main_input_basename;
+extern int main_input_baselength;
+
extern const char *profile_data_prefix;
-extern const char *asm_file_name;
extern bool exit_after_options;
/* True if the user has tagged the function with the 'section'
extern bool user_defined_section_attribute;
/* See toplev.c. */
-extern int flag_crossjumping;
-extern int flag_if_conversion;
-extern int flag_if_conversion2;
-extern int flag_keep_static_consts;
-extern int flag_peel_loops;
-extern int flag_rerun_cse_after_loop;
-extern int flag_thread_jumps;
-extern int flag_tracer;
-extern int flag_unroll_loops;
-extern int flag_unroll_all_loops;
-extern int flag_unswitch_loops;
-extern int flag_cprop_registers;
-extern int time_report;
+extern int flag_rerun_cse_after_global_opts;
/* Things to do with target switches. */
extern void print_version (FILE *, const char *);
/* The hashtable, so that the C front ends can pass it to cpplib. */
extern struct ht *ident_hash;
-/* This function can be used by targets to set the flags originally
- implied by -ffast-math and -fno-fast-math. */
-
-extern void set_fast_math_flags (int);
-
-extern void set_unsafe_math_optimizations_flags (int);
-
/* Handle -d switch. */
extern void decode_d_option (const char *);
extern bool fast_math_flags_set_p (void);
extern bool fast_math_flags_struct_set_p (struct cl_optimization *);
+/* Inline versions of the above for speed. */
+#if GCC_VERSION < 3004
+
+extern int clz_hwi (unsigned HOST_WIDE_INT x);
+extern int ctz_hwi (unsigned HOST_WIDE_INT x);
+extern int ffs_hwi (unsigned HOST_WIDE_INT x);
+
/* Return log2, or -1 if not exact. */
extern int exact_log2 (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
+#else /* GCC_VERSION >= 3004 */
+
+/* For convenience, define 0 -> word_size. */
+static inline int
+clz_hwi (unsigned HOST_WIDE_INT x)
+{
+ if (x == 0)
+ return HOST_BITS_PER_WIDE_INT;
# if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
-# define CLZ_HWI __builtin_clzl
-# define CTZ_HWI __builtin_ctzl
+ return __builtin_clzl (x);
# elif HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONGLONG
-# define CLZ_HWI __builtin_clzll
-# define CTZ_HWI __builtin_ctzll
+ return __builtin_clzll (x);
# else
-# define CLZ_HWI __builtin_clz
-# define CTZ_HWI __builtin_ctz
+ return __builtin_clz (x);
# endif
+}
+
+static inline int
+ctz_hwi (unsigned HOST_WIDE_INT x)
+{
+ if (x == 0)
+ return HOST_BITS_PER_WIDE_INT;
+# if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
+ return __builtin_ctzl (x);
+# elif HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONGLONG
+ return __builtin_ctzll (x);
+# else
+ return __builtin_ctz (x);
+# endif
+}
-extern inline int
+static inline int
+ffs_hwi (unsigned HOST_WIDE_INT x)
+{
+# if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
+ return __builtin_ffsl (x);
+# elif HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONGLONG
+ return __builtin_ffsll (x);
+# else
+ return __builtin_ffs (x);
+# endif
+}
+
+static inline int
floor_log2 (unsigned HOST_WIDE_INT x)
{
- return x ? HOST_BITS_PER_WIDE_INT - 1 - (int) CLZ_HWI (x) : -1;
+ return HOST_BITS_PER_WIDE_INT - 1 - clz_hwi (x);
}
-extern inline int
+static inline int
exact_log2 (unsigned HOST_WIDE_INT x)
{
- return x == (x & -x) && x ? (int) CTZ_HWI (x) : -1;
+ return x == (x & -x) && x ? ctz_hwi (x) : -1;
}
+
#endif /* GCC_VERSION >= 3004 */
/* Functions used to get and set GCC's notion of in what directory
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