* gcc.target/i386/pr34256.c: Update number of mov insns

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

diff --git a/gcc/system.h b/gcc/system.h
index c90ded1..568bd75 100644 (file)
--- a/gcc/system.h
+++ b/gcc/system.h
@@ -253,7 +253,8 @@ extern int errno;
    UPPER.  However the bounds themselves can be either positive or
    negative.  */
 #define IN_RANGE(VALUE, LOWER, UPPER) \
-  ((unsigned HOST_WIDE_INT)((VALUE) - (LOWER)) <= ((UPPER) - (LOWER)))
+  ((unsigned HOST_WIDE_INT) (VALUE) - (unsigned HOST_WIDE_INT) (LOWER) \
+   <= (unsigned HOST_WIDE_INT) (UPPER) - (unsigned HOST_WIDE_INT) (LOWER))
 
 /* Infrastructure for defining missing _MAX and _MIN macros.  Note that
    macros defined with these cannot be used in #if.  */
@@ -784,14 +785,48 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
 
 #if defined(__GNUC__) && GCC_VERSION != 4000
 /* GCC 4.0.x has a bug where it may ICE on this expression.  */
-#define CONST_CAST(X) ((__extension__(union {__typeof(X)_q; void *_v;})(X))._v)
+#define CONST_CAST2(TOTYPE,FROMTYPE,X) ((__extension__(union {FROMTYPE _q; TOTYPE _nq;})(X))._nq)
 #else
-#define CONST_CAST(X) ((void*)(X))
+#define CONST_CAST2(TOTYPE,FROMTYPE,X) ((TOTYPE)(FROMTYPE)(X))
 #endif
+#define CONST_CAST(TYPE,X) CONST_CAST2(TYPE, const TYPE, (X))
+#define CONST_CAST_TREE(X) CONST_CAST(union tree_node *, (X))
+#define CONST_CAST_RTX(X) CONST_CAST(struct rtx_def *, (X))
+#define CONST_CAST_BB(X) CONST_CAST(struct basic_block_def *, (X))
 
 /* Activate -Wcast-qual as a warning (not an error/-Werror).  */
 #if GCC_VERSION >= 4003
 #pragma GCC diagnostic warning "-Wcast-qual"
+/* If asserts are disabled, activate -Wuninitialized as a warning (not
+   an error/-Werror).  */
+#ifndef ASSERT_CHECKING
+#pragma GCC diagnostic warning "-Wuninitialized"
+#endif
+#endif
+
+#ifdef ENABLE_VALGRIND_CHECKING
+# ifdef HAVE_VALGRIND_MEMCHECK_H
+#  include <valgrind/memcheck.h>
+# elif defined HAVE_MEMCHECK_H
+#  include <memcheck.h>
+# else
+#  include <valgrind.h>
+# endif
+/* Compatibility macros to let valgrind 3.1 work.  */
+# ifndef VALGRIND_MAKE_MEM_NOACCESS
+#  define VALGRIND_MAKE_MEM_NOACCESS VALGRIND_MAKE_NOACCESS
+# endif
+# ifndef VALGRIND_MAKE_MEM_DEFINED
+#  define VALGRIND_MAKE_MEM_DEFINED VALGRIND_MAKE_READABLE
+# endif
+# ifndef VALGRIND_MAKE_MEM_UNDEFINED
+#  define VALGRIND_MAKE_MEM_UNDEFINED VALGRIND_MAKE_WRITABLE
+# endif
+#else
+/* Avoid #ifdef:s when we can help it.  */
+#define VALGRIND_DISCARD(x)
+#define VALGRIND_MALLOCLIKE_BLOCK(w,x,y,z)
+#define VALGRIND_FREELIKE_BLOCK(x,y)
 #endif
 
 #endif /* ! GCC_SYSTEM_H */