2005-05-06 Denis Vlasenko <vda@port.imtp.ilyichevsk.odessa.ua>

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

diff --git a/gcc/tsystem.h b/gcc/tsystem.h
index 7ccdf4c..1ed0cde 100644 (file)
--- a/gcc/tsystem.h
+++ b/gcc/tsystem.h
@@ -1,6 +1,6 @@
 /* Get common system includes and various definitions and declarations
    based on target macros.
-   Copyright (C) 2000, 2001 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2001, 2004, 2005 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -121,4 +121,14 @@ extern int errno;
 #undef alloca
 #define alloca(x) __builtin_alloca(x)
 
+#ifdef ENABLE_RUNTIME_CHECKING
+#define gcc_assert(EXPR) ((void)(!(EXPR) ? abort (), 0 : 0))
+#else
+/* Include EXPR, so that unused variable warnings do not occur.  */
+#define gcc_assert(EXPR) ((void)(0 && (EXPR)))
+#endif
+/* Use gcc_unreachable() to mark unreachable locations (like an
+   unreachable default case of a switch.  Do not use gcc_assert(0).  */
+#define gcc_unreachable() (abort ())
+
 #endif /* ! GCC_TSYSTEM_H */