re PR testsuite/52563 (FAIL: gcc.dg/tree-ssa/scev-[3,4].c scan-tree-dump-times optimized "&a" 1)

2012-03-22  Jiangning Liu  <jiangning.liu@arm.com>                                                        

	PR tree-optimization/52563
	* gcc.dg/tree-ssa/scev-3.c: XFAIL on lp64.
	* gcc.dg/tree-ssa/scev-4.c: XFAIL on lp64.
	* gcc.dg/tree-ssa/scev-5.c: New.

From-SVN: r185678

gcc/testsuite/gcc.dg/tree-ssa/scev-3.c

@@ -14,5 +14,5 @@ f(int k)
         }
 }
 
-/* { dg-final { scan-tree-dump-times "&a" 1 "optimized" } } */
+/* { dg-final { scan-tree-dump-times "&a" 1 "optimized" { xfail lp64 } } } */
 /* { dg-final { cleanup-tree-dump "optimized" } } */

gcc/testsuite/gcc.dg/tree-ssa/scev-4.c

@@ -19,5 +19,5 @@ f(int k)
         }
 }
 
-/* { dg-final { scan-tree-dump-times "&a" 1 "optimized" } } */
+/* { dg-final { scan-tree-dump-times "&a" 1 "optimized" { xfail lp64 } } } */
 /* { dg-final { cleanup-tree-dump "optimized" } } */

gcc/testsuite/gcc.dg/tree-ssa/scev-5.c

+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+int *a_p;
+int a[1000];
+
+f(int k)
+{
+        long long i;
+
+        for (i=k; i<1000; i+=k) {
+                a_p = &a[i];
+                *a_p = 100;
+        }
+}
+
+/* { dg-final { scan-tree-dump-times "&a" 1 "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */