[gcc/devel/omp/gcc-11] A couple of GCN-specific test fixes

[gcc/devel/omp/gcc-11] A couple of GCN-specific test fixes

[Kwok Yeung]

https://gcc.gnu.org/g:59f771cc0a115d8b7e31df079651247af2dfc7c3

commit 59f771cc0a115d8b7e31df079651247af2dfc7c3
Author: Julian Brown <julian@codesourcery.com>
Date:   Wed Sep 11 08:31:38 2019 -0700

    A couple of GCN-specific test fixes
    
            libgomp/
            * testsuite/libgomp.oacc-c-c++-common/loop-dim-default.c (check): Skip
            vector dimension test for AMD GCN.

Diff:
---
 libgomp/ChangeLog.omp                                          | 5 +++++
 libgomp/testsuite/libgomp.oacc-c-c++-common/loop-dim-default.c | 7 ++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/libgomp/ChangeLog.omp b/libgomp/ChangeLog.omp
index b67584271e4..3ea7389fc56 100644
--- a/libgomp/ChangeLog.omp
+++ b/libgomp/ChangeLog.omp
@@ -1,3 +1,8 @@
+2019-09-17  Julian Brown  <julian@codesourcery.com>
+
+	* testsuite/libgomp.oacc-c-c++-common/loop-dim-default.c (check): Skip
+	vector dimension test for AMD GCN.
+
 2019-09-05  Julian Brown  <julian@codesourcery.com>
 
 	* plugin/plugin-gcn.c (gcn_exec): Change default number of workers to
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-dim-default.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-dim-default.c
index ca771646655..040047d0c77 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-dim-default.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-dim-default.c
@@ -79,13 +79,18 @@ int check (const int *ary, int size, int gp, int wp, int vp)
 	exit = 1;
       }
   
+#ifndef ACC_DEVICE_TYPE_gcn
+  /* AMD GCN uses the autovectorizer for the vector dimension: the use
+     of a function call in vector-partitioned code in this test is not
+     currently supported.  */
   for (ix = 0; ix < vp; ix++)
     if (vectors[ix] != vectors[0])
       {
 	printf ("vector %d not used %d times\n", ix, vectors[0]);
 	exit = 1;
       }
-  
+#endif
+
   return exit;
 }