From 1467100fc72562a59f70cdd4e05f6c810d1fadcc Mon Sep 17 00:00:00 2001
From: Thomas Schwinge <thomas@codesourcery.com>
Date: Wed, 19 May 2021 11:58:49 +0200
Subject: [PATCH] Add 'libgomp.oacc-c-c++-common/private-atomic-1.c' [PR83812]
... to at least document/test/XFAIL nvptx offloading: PR83812 "operation not
supported on global/shared address space".
libgomp/
PR target/83812
* testsuite/libgomp.oacc-c-c++-common/private-atomic-1.c: New.
---
.../private-atomic-1.c | 37 +++++++++++++++++++
1 file changed, 37 insertions(+)
create mode 100644 libgomp/testsuite/libgomp.oacc-c-c++-common/private-atomic-1.c
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/private-atomic-1.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/private-atomic-1.c
new file mode 100644
index 000000000000..77197d8fd443
--- /dev/null
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/private-atomic-1.c
@@ -0,0 +1,37 @@
+// 'atomic' access of thread-private variable
+
+#include <assert.h>
+
+int main (void)
+{
+ int res;
+
+ res = 0;
+#pragma acc parallel reduction(+: res)
+ {
+#pragma acc loop vector reduction(+: res)
+ for (int i = 0; i < 2322; i++)
+ {
+ int v = -222;
+
+#pragma acc loop seq
+ for (int j = 0; j < 121; ++j)
+ {
+#pragma acc atomic update
+ ++v;
+ /* nvptx offloading: PR83812 "operation not supported on global/shared address space".
+ { dg-output "(\n|\r\n|\r)libgomp: cuStreamSynchronize error: operation not supported on global/shared address space(\n|\r\n|\r)$" { target openacc_nvidia_accel_selected } }
+ Scan for what we expect in the "XFAILed" case (without actually XFAILing).
+ { dg-shouldfail "XFAILed" { openacc_nvidia_accel_selected } }
+ ... instead of 'dg-xfail-run-if' so that 'dg-output' is evaluated at all.
+ { dg-final { if { [dg-process-target { xfail openacc_nvidia_accel_selected }] == "F" } { xfail "[testname-for-summary] really is XFAILed" } } }
+ ... so that we still get an XFAIL visible in the log. */
+ }
+
+ res += (v == -222 + 121);
+ }
+ }
+ assert (res == 2322);
+
+ return 0;
+}
--
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