vect.exp (VEC_CFLAGS): Append "-fdump-tree-veclower2".

	* gcc.dg/vect/vect.exp (VEC_CFLAGS): Append "-fdump-tree-veclower2".
	* gcc.dg/vect/vec-scal-opt.c: Scan and cleanup veclower2 tree dump.
	* gcc.dg/vect/vec-scal-opt1.c: Ditto.
	* gcc.dg/vect/vec-scal-opt2.c: Ditto.

From-SVN: r179573

gcc/testsuite/gcc.dg/vect/vec-scal-opt.c

@@ -19,5 +19,5 @@ int main (int argc, char *argv[]) {
    return vidx(short, r1, 0);
 }
 
-/* { dg-final { scan-tree-dump-times ">> k.\[0-9_\]*" 1 "veclower" { target vect_shift_scalar } } } */
-/* { dg-final { cleanup-tree-dump "veclower" } } */
+/* { dg-final { scan-tree-dump-times ">> k.\[0-9_\]*" 1 "veclower2" { target vect_shift_scalar } } } */
+/* { dg-final { cleanup-tree-dump "veclower2" } } */

gcc/testsuite/gcc.dg/vect/vec-scal-opt1.c

@@ -17,5 +17,5 @@ int main (int argc, char *argv[]) {
    return vidx(short, r1, 0);
 }
 
-/* { dg-final { scan-tree-dump-times ">> 2" 1 "veclower" { target vect_shift_scalar } } } */
-/* { dg-final { cleanup-tree-dump "veclower" } } */
+/* { dg-final { scan-tree-dump-times ">> 2" 1 "veclower2" { target vect_shift_scalar } } } */
+/* { dg-final { cleanup-tree-dump "veclower2" } } */

gcc/testsuite/gcc.dg/vect/vec-scal-opt2.c

@@ -16,5 +16,5 @@ int main (int argc, char *argv[]) {
    return vidx(short, r1, 0);
 }
 
-/* { dg-final { scan-tree-dump-times ">> 2" 1 "veclower" { target vect_shift_scalar } } } */
-/* { dg-final { cleanup-tree-dump "veclower" } } */
+/* { dg-final { scan-tree-dump-times ">> 2" 1 "veclower2" { target vect_shift_scalar } } } */
+/* { dg-final { cleanup-tree-dump "veclower2" } } */

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

@@ -64,8 +64,8 @@ lappend DEFAULT_VECTCFLAGS "-O2"
 dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/nodump-*.\[cS\]]]  \
 	"" $DEFAULT_VECTCFLAGS
 
-# "-O -fdump-tree-veclower"
-lappend VEC_FLAGS "-O" "-fdump-tree-veclower"
+# "-O -fdump-tree-veclower2"
+lappend VEC_FLAGS "-O" "-fdump-tree-veclower2"
 dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/vec-scal-*.\[cS\]]]  \
         "" $VEC_FLAGS