Patchwork Fix PR testsuite/49443

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Submitter Ira Rosen
Date June 21, 2011, 9:02 a.m.
Message ID <BANLkTikTOVOi7srZvhTUFR7_aQWfnBU-_g@mail.gmail.com>
Download mbox | patch
Permalink /patch/101258/
State New
Headers show

Comments

Ira Rosen - June 21, 2011, 9:02 a.m.
Hi,

The loops in gcc.dg/vect/vect-peel-3.c and vect-peel-4.c have memory
accesses with different misalignment values that cannot all be aligned
by peeling. Therefore, these tests are not supposed to get vectorized
on vect_no_align targets. This patch xfails the vectorization for such
cases.

Tested on powerpc64-suse-linux and by Steve on IA64.
Committed as obvious.

Ira

testsuite/ChangeLog:

   * gcc.dg/vect/vect-peel-3.c: Expect to fail on vect_no_align
   targets.
   * gcc.dg/vect/vect-peel-4.c: Likewise.


 /* { dg-final { scan-tree-dump-times "Alignment of access forced
using peeling" 0 "vect" } } */
 /* { dg-final { cleanup-tree-dump "vect" } } */

Patch

Index: testsuite/gcc.dg/vect/vect-peel-3.c
===================================================================
--- testsuite/gcc.dg/vect/vect-peel-3.c (revision 175242)
+++ testsuite/gcc.dg/vect/vect-peel-3.c (working copy)
@@ -47,7 +47,7 @@ 
   return main1 ();
 }

-/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" {
xfail vect_no_align } } } */
 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned
access" 1 "vect"  { xfail vect_no_align } } } */
-/* { dg-final { scan-tree-dump-times "Alignment of access forced
using peeling" 1 "vect" } } */
+/* { dg-final { scan-tree-dump-times "Alignment of access forced
using peeling" 1 "vect" { xfail vect_no_align } } } */
 /* { dg-final { cleanup-tree-dump "vect" } } */
Index: testsuite/gcc.dg/vect/vect-peel-4.c
===================================================================
--- testsuite/gcc.dg/vect/vect-peel-4.c (revision 175242)
+++ testsuite/gcc.dg/vect/vect-peel-4.c (working copy)
@@ -44,7 +44,7 @@ 
   return main1 ();
 }

-/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" {
xfail vect_no_align } } } */
 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned
access" 1 "vect"  { xfail vect_no_align } } } */