re PR testsuite/66799 (gcc.dg/vect/pr20122.c FAILs)

2015-11-26  Richard Biener  <rguenther@suse.de>

	PR testsuite/66799
	* gcc.dg/vect/pr20122.c (main): Do not align Kernel, do not
	vectorize init loop and adjust expected outcome.

From-SVN: r230943

gcc/testsuite/ChangeLog

 2015-11-26  Richard Biener  <rguenther@suse.de>
 
+	PR testsuite/66799
+	* gcc.dg/vect/pr20122.c (main): Do not align Kernel, do not
+	vectorize init loop and adjust expected outcome.
+
+2015-11-26  Richard Biener  <rguenther@suse.de>
+
 	PR testsuite/67203
 	* g++.dg/tree-ssa/pr61034.C: Make expected optimization result
 	dependent on PUSH_ARGS_REVERSED.  Drop optimization level and

gcc/testsuite/gcc.dg/vect/pr20122.c

@@ -36,12 +36,16 @@ int main (int argc, char **argv)
 {
     check_vect ();
 
-    short Kernel[8][24] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+    short Kernel[8][24];
     int k,i;
 
     for (k = 0; k<8; k++)
-        for (i = 0; i<24; i++)
-            Kernel[k][i] = 0;
+      for (i = 0; i<24; i++)
+	{
+	  Kernel[k][i] = 0;
+	  /* Don't get into the game of versioning vs. peeling.  */
+	  __asm__ volatile ("" : : : "memory");
+	}
 
     VecBug(Kernel);
     VecBug2(Kernel);
@@ -49,7 +53,6 @@ int main (int argc, char **argv)
     return 0;
 }
 
-/* The loops in VecBug and VecBug2 require versioning for alignment.
-   The loop in main is aligned.  */
-/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 3 "vect" } } */
+/* The loops in VecBug and VecBug2 require versioning for alignment.  */
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" } } */
 /*  { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 2 "vect" { target { vect_no_align && { ! vect_hw_misalign } } } } } */