vect-85.c: Add comment.

        * gcc.dg/vect/vect-85.c: Add comment.
        * gcc.dg/vect/vect-86.c: Add xfail for now.
        * gcc.dg/vect/vect-87.c: Add xfail for now.
        * gcc.dg/vect/vect-88.c: Add xfail for now.
        * gcc.dg/vect/vect.exp: Remove -fno-tree-pre.

From-SVN: r93888

gcc/testsuite/ChangeLog

+2005-01-19  Dorit Naishlos  <dorit@il.ibm.com>
+
+	* gcc.dg/vect/vect-85.c: Add comment.
+	* gcc.dg/vect/vect-86.c: Add xfail for now.
+	* gcc.dg/vect/vect-87.c: Add xfail for now.
+	* gcc.dg/vect/vect-88.c: Add xfail for now.
+	* gcc.dg/vect/vect.exp: Remove -fno-tree-pre.
+
 2005-01-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
 
 	* gcc.dg/vect/vect-66.c: Slightly tweak 3rd loop.

gcc/testsuite/gcc.dg/vect/vect-85.c

@@ -45,4 +45,6 @@ int main (void)
   return 0;
 }
 
+/* Fails due to invariant phi introduced by PRE.
+   Fails for targets that don't vectorize PLUS (e.g alpha).  */
 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail *-*-* } } } */

gcc/testsuite/gcc.dg/vect/vect-86.c

@@ -45,7 +45,8 @@ int main (void)
   return 0;
 }
 
-/* Fails for targets that don't vectorize PLUS.  */
-/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail alpha*-*-* } } } */
+/* Fails due to invariant phi introduced by PRE.
+   Fails for targets that don't vectorize PLUS (e.g alpha).  */
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail *-*-* } } } */
 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" } } */

gcc/testsuite/gcc.dg/vect/vect-87.c

@@ -49,7 +49,8 @@ int main (void)
   return 0;
 }
 
-/* Fails for targets that don't vectorize PLUS.  */
-/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail alpha*-*-* } } } */
+/* Fails due to invariant phi introduced by PRE.
+   Fails for targets that don't vectorize PLUS (e.g alpha).  */
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail *-*-* } } } */
 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
-/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail alpha*-*-* } } } */
+/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail *-*-* } } } */

gcc/testsuite/gcc.dg/vect/vect-88.c

@@ -49,7 +49,8 @@ int main (void)
   return 0;
 }
 
-/* Fails for targets that don't vectorize PLUS.  */
-/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail alpha*-*-* } } } */
+/* Fails due to invariant phi introduced by PRE.
+   Fails for targets that don't vectorize PLUS (e.g alpha).  */
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail *-*-* } } } */
 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
-/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail alpha*-*-* } } } */
+/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail *-*-* } } } */

gcc/testsuite/gcc.dg/vect/vect.exp

@@ -23,7 +23,7 @@ load_lib gcc-dg.exp
 set DEFAULT_VECTCFLAGS ""
 
 # These flags are used for all targets.
-lappend DEFAULT_VECTCFLAGS "-O2" "-ftree-vectorize" "-fdump-tree-vect-stats" "-fno-tree-pre"
+lappend DEFAULT_VECTCFLAGS "-O2" "-ftree-vectorize" "-fdump-tree-vect-stats"
 
 # If the target system supports vector instructions, the default action
 # for a test is 'run', otherwise it's 'compile'.  Save current default.