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

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 07128b1cde0b6352dec73c7550b08adb3359ff4e..faae5f79dfd3b05175bdefce5b9dfe3d6aeeb47e 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+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

diff --git a/gcc/testsuite/gcc.dg/vect/pr20122.c b/gcc/testsuite/gcc.dg/vect/pr20122.c
index 3316270efbc8945e773115ac2a0c1c08d778de73..4f1b7bd6c1e723405b6625f7c7c890a46d3272bc 100644 (file)
--- a/gcc/testsuite/gcc.dg/vect/pr20122.c
+++ b/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 } } } } } */