Re: [PATCH] S/390: Fix warning in "*movstr" pattern.

[Andreas Krebbel <krebbel@linux.vnet.ibm.com>]

On 11/30/2015 03:45 PM, Dominik Vogt wrote:
> On Mon, Nov 09, 2015 at 01:33:23PM +0100, Andreas Krebbel wrote:
>> On 11/04/2015 02:39 AM, Dominik Vogt wrote:
>>> On Tue, Nov 03, 2015 at 06:47:28PM +0100, Ulrich Weigand wrote:
>>>> Dominik Vogt wrote:
+++ b/gcc/testsuite/gcc.target/s390/md/movstr-1.c
@@ -0,0 +1,11 @@
+/* Machine description pattern tests.  */
+
+/* { dg-do assemble } */
+/* { dg-options "-dP -save-temps" } */

-save-temps is not necessary for a dg-do assemble test.

+# Additional md torture tests.
+torture-init
+set MD_TEST_OPTS [list \
+	{-Os -march=z900} {-Os -march=z13} \
+	{-O0 -march=z900} {-O0 -march=z13} \
+	{-O1 -march=z900} {-O1 -march=z13} \
+	{-O2 -march=z900} {-O2 -march=z13} \
+	{-O3 -march=z900} {-O3 -march=z13}]
+set-torture-options $MD_TEST_OPTS
+gcc-dg-runtest [lsort [glob -nocomplain $md_tests]] "" $DEFAULT_CFLAGS
 torture-finish

Does it really make sense to use different -march options for the md/ tests? Whether a certain
pattern will match usually depends on the -march level. I would say the -march option needs to be
part of testcase.

-Andreas-