(legitimate_address_p): Reject address whose index is itself the sum of two

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

diff --git a/gcc/toplev.h b/gcc/toplev.h
index daad92f..719cb4c 100644 (file)
--- a/gcc/toplev.h
+++ b/gcc/toplev.h
@@ -45,31 +45,38 @@ extern void _fatal_insn (const char *, rtx, const char *, int, const char *)
    style, use the generic one.  */
 #ifndef GCC_DIAG_STYLE
 #define GCC_DIAG_STYLE __gcc_diag__
+#define NO_FRONT_END_DIAG
 #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
+   specifiers.  We must use custom format checks.  Note that at present
+   the front-end %D specifier is used in non-front-end code with some
+   functions, and those formats can only be checked in front-end code.  */
+#if GCC_VERSION >= 3005
 #define ATTRIBUTE_GCC_DIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m)
+#ifdef NO_FRONT_END_DIAG
+#define ATTRIBUTE_GCC_FE_DIAG(m, n) ATTRIBUTE_NONNULL(m)
+#else
+#define ATTRIBUTE_GCC_FE_DIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m)
+#endif
 #else
 #define ATTRIBUTE_GCC_DIAG(m, n) ATTRIBUTE_NONNULL(m)
+#define ATTRIBUTE_GCC_FE_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 warning (const char *, ...) ATTRIBUTE_GCC_FE_DIAG(1,2);
+extern void error (const char *, ...) ATTRIBUTE_GCC_FE_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_FE_DIAG(1,2);
+extern void sorry (const char *, ...) ATTRIBUTE_GCC_FE_DIAG(1,2);
 extern void inform (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 tree_rest_of_compilation (tree);
 extern void init_tree_optimization_passes (void);
-extern void init_optimization_passes (void);
 extern void finish_optimization_passes (void);
 extern bool enable_rtl_dump_file (int);
 
@@ -104,16 +111,19 @@ extern const char *aux_base_name;
 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_delete_null_pointer_checks;
 extern int flag_keep_static_consts;
 extern int flag_peel_loops;
 extern int flag_rerun_cse_after_loop;
@@ -148,15 +158,37 @@ extern void decode_d_option               (const char *);
 /* 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.  */