pr28651.c (main): Use INT_MAX instead of assuming it is 0x7fffffff.

	* gcc.c-torture/execute/pr28651.c (main): Use INT_MAX instead of
	  assuming it is 0x7fffffff.
	* gcc.dg/tree-ssa/vrp29.c (decCompare)(main): Likewise.
	* gcc.dg/Wconversion-integer-no-sign.c (h): Likewise.

From-SVN: r126989

gcc/testsuite/ChangeLog

+2007-07-27  Rask Ingemann Lambertsen  <rask@sygehus.dk>
+
+	* gcc.c-torture/execute/pr28651.c (main): Use INT_MAX instead of
+	  assuming it is 0x7fffffff.
+	* gcc.dg/tree-ssa/vrp29.c (decCompare)(main): Likewise.
+	* gcc.dg/Wconversion-integer-no-sign.c (h): Likewise.
+
 2007-07-27  Mark Mitchell  <mark@codesourcery.com>
 
 	PR c++/32346

gcc/testsuite/gcc.c-torture/execute/pr28651.c

+#include <limits.h>
+
 extern void abort (void);
 int __attribute__((noinline))
 foo (unsigned int u)
@@ -8,7 +10,7 @@ foo (unsigned int u)
 int
 main (int argc, char *argv[])
 {
-  unsigned int u = 0x7fffffff;
+  unsigned int u = INT_MAX;
 
   if (foo (u) == 0)
     abort();

gcc/testsuite/gcc.dg/Wconversion-integer-no-sign.c

@@ -60,8 +60,8 @@ void h (int x)
   uc = '\xa0'; /* Warned by -Wsign-conversion.  */
   fui ('\xa0'); /* Warned by -Wsign-conversion.  */
   ui = '\xa0';  /* Warned by -Wsign-conversion.  */
-  fsi (0x80000000); /* Warned by -Wsign-conversion.  */
-  si = 0x80000000;  /* Warned by -Wsign-conversion.  */
+  fsi ((unsigned) INT_MAX + 1U); /* Warned by -Wsign-conversion.  */
+  si = (unsigned) INT_MAX + 1U;  /* Warned by -Wsign-conversion.  */
 
 
   fsi (UINT_MAX - 1);  /* Warned by -Wsign-conversion.  */

gcc/testsuite/gcc.dg/tree-ssa/vrp29.c

 /* { dg-do run } */
 /* { dg-options "-O2" } */
+#include <limits.h>
 
 extern void abort(void);
 
 void decCompareOp (int result)
 {
-  if (result != (int)0x80000000)
+  if (result != (int) (INT_MAX + 1U))
     {
       result = -result;
-      if (result != (int)0x80000001)
+      if (result != (int) (INT_MAX + 2U))
         abort ();
     }
 }
 
 int main()
 {
-  decCompareOp (0x7fffffff);
+  decCompareOp (INT_MAX);
   return 0;
 }