v3: fix config.status instantiation of subdir makefiles.

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

diff --git a/gcc/system.h b/gcc/system.h
index 780fda4..b74e0e5 100644 (file)
--- a/gcc/system.h
+++ b/gcc/system.h
@@ -1,6 +1,7 @@
 /* Get common system includes and various definitions and declarations based
    on autoconf macros.
-   Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008
+   Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008,
+   2009
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -46,6 +47,9 @@ along with GCC; see the file COPYING3.  If not see
 #endif
 
 /* Use the unlocked open routines from libiberty.  */
+#ifdef fopen /* fopen is a #define on VMS.  */
+#undef fopen
+#endif
 #define fopen(PATH,MODE) fopen_unlocked(PATH,MODE)
 #define fdopen(FILDES,MODE) fdopen_unlocked(FILDES,MODE)
 #define freopen(PATH,MODE,STREAM) freopen_unlocked(PATH,MODE,STREAM)
@@ -514,6 +518,11 @@ extern int vsnprintf(char *, size_t, const char *, va_list);
 # define mkdir(a,b) mkdir(a)
 #endif
 
+/* Provide a way to print an address via printf.  */
+#ifndef HOST_PTR_PRINTF
+#define HOST_PTR_PRINTF "%p"
+#endif /* ! HOST_PTR_PRINTF */
+
 /* By default, colon separates directories in a path.  */
 #ifndef PATH_SEPARATOR
 #define PATH_SEPARATOR ':'
@@ -576,6 +585,9 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
 #if ENABLE_ASSERT_CHECKING
 #define gcc_assert(EXPR)                                               \
    ((void)(!(EXPR) ? fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0 : 0))
+#elif (GCC_VERSION >= 4005)
+#define gcc_assert(EXPR)                                               \
+  ((void)(__builtin_expect(!(EXPR), 0) ? __builtin_unreachable(), 0 : 0))
 #else
 /* Include EXPR, so that unused variable warnings do not occur.  */
 #define gcc_assert(EXPR) ((void)(0 && (EXPR)))
@@ -583,7 +595,11 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
 
 /* Use gcc_unreachable() to mark unreachable locations (like an
    unreachable default case of a switch.  Do not use gcc_assert(0).  */
+#if (GCC_VERSION >= 4005) && !ENABLE_ASSERT_CHECKING
+#define gcc_unreachable() __builtin_unreachable()
+#else
 #define gcc_unreachable() (fancy_abort (__FILE__, __LINE__, __FUNCTION__))
+#endif
 
 /* Provide a fake boolean type.  We make no attempt to use the
    C99 _Bool, as it may not be available in the bootstrap compiler,
@@ -673,7 +689,7 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
        DIVDI3_LIBCALL UDIVSI3_LIBCALL UDIVDI3_LIBCALL MODSI3_LIBCALL   \
        MODDI3_LIBCALL UMODSI3_LIBCALL UMODDI3_LIBCALL BUILD_VA_LIST_TYPE \
        PRETEND_OUTGOING_VARARGS_NAMED STRUCT_VALUE_INCOMING_REGNUM     \
-       ASM_OUTPUT_SECTION_NAME PROMOTE_FUNCTION_ARGS                   \
+       ASM_OUTPUT_SECTION_NAME PROMOTE_FUNCTION_ARGS PROMOTE_FUNCTION_MODE \
        STRUCT_VALUE_INCOMING STRICT_ARGUMENT_NAMING                    \
        PROMOTE_FUNCTION_RETURN PROMOTE_PROTOTYPES STRUCT_VALUE_REGNUM  \
        SETUP_INCOMING_VARARGS EXPAND_BUILTIN_SAVEREGS                  \
@@ -682,7 +698,8 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
        MUST_PASS_IN_STACK FUNCTION_ARG_PASS_BY_REFERENCE               \
         VECTOR_MODE_SUPPORTED_P TARGET_SUPPORTS_HIDDEN                         \
        FUNCTION_ARG_PARTIAL_NREGS ASM_OUTPUT_DWARF_DTPREL              \
-       ALLOCATE_INITIAL_VALUE LEGITIMIZE_ADDRESS FRAME_POINTER_REQUIRED
+       ALLOCATE_INITIAL_VALUE LEGITIMIZE_ADDRESS FRAME_POINTER_REQUIRED \
+       CAN_ELIMINATE
 
 /* Other obsolete target macros, or macros that used to be in target
    headers and were not used, and may be obsolete or may never have
@@ -730,7 +747,7 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
         TARGET_ESC TARGET_FF TARGET_NEWLINE TARGET_TAB TARGET_VT          \
         LINK_LIBGCC_SPECIAL DONT_ACCESS_GBLS_AFTER_EPILOGUE               \
        TARGET_OPTIONS TARGET_SWITCHES EXTRA_CC_MODES FINALIZE_PIC         \
-       PREDICATE_CODES SPECIAL_MODE_PREDICATES HOST_PTR_PRINTF            \
+       PREDICATE_CODES SPECIAL_MODE_PREDICATES                            \
        EXTRA_SECTIONS EXTRA_SECTION_FUNCTIONS READONLY_DATA_SECTION       \
        TARGET_ASM_EXCEPTION_SECTION TARGET_ASM_EH_FRAME_SECTION           \
        SMALL_ARG_MAX ASM_OUTPUT_SHARED_BSS ASM_OUTPUT_SHARED_COMMON       \
@@ -743,7 +760,8 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
        LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS \
        LANG_HOOKS_PUSHLEVEL LANG_HOOKS_SET_BLOCK \
        LANG_HOOKS_MAYBE_BUILD_CLEANUP LANG_HOOKS_UPDATE_DECL_AFTER_SAVING \
-       LANG_HOOKS_POPLEVEL LANG_HOOKS_TRUTHVALUE_CONVERSION
+       LANG_HOOKS_POPLEVEL LANG_HOOKS_TRUTHVALUE_CONVERSION \
+       TARGET_PROMOTE_FUNCTION_ARGS TARGET_PROMOTE_FUNCTION_RETURN
 
 /* Miscellaneous macros that are no longer used.  */
  #pragma GCC poison USE_MAPPED_LOCATION