From 8d70b61edda10e97686da47decfc7f93ff0bc7c9 Mon Sep 17 00:00:00 2001
From: Julian Brown <julian@codesourcery.com>
Date: Sun, 29 Apr 2018 10:26:56 +0000
Subject: [PATCH] [openacc, testsuite] Fix undefined behaviour in
atomic_capture-1.c
2018-04-29 Julian Brown <julian@codesourcery.com>
Tom de Vries <tom@codesourcery.com>
PR testsuite/85527
* testsuite/libgomp.oacc-c-c++-common/atomic_capture-1.c: Allow
arbitrary order for iterations of atomic subtract check.
Co-Authored-By: Tom de Vries <tom@codesourcery.com>
From-SVN: r259748
---
libgomp/ChangeLog | 7 +++++++
.../atomic_capture-1.c | 19 +++++++++----------
2 files changed, 16 insertions(+), 10 deletions(-)
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 0ba1bbef4929..49364dac0945 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,10 @@
+2018-04-29 Julian Brown <julian@codesourcery.com>
+ Tom de Vries <tom@codesourcery.com>
+
+ PR testsuite/85527
+ * testsuite/libgomp.oacc-c-c++-common/atomic_capture-1.c: Allow
+ arbitrary order for iterations of atomic subtract check.
+
2018-04-28 Tom de Vries <tom@codesourcery.com>
PR testsuite/85527
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/atomic_capture-1.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/atomic_capture-1.c
index ad958cd1f9ea..9b71a0875ad5 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/atomic_capture-1.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/atomic_capture-1.c
@@ -795,17 +795,16 @@ main(int argc, char **argv)
}
}
+ int ones = 0, thirtyones = 0;
+
for (i = 0; i < N; i++)
- if (i % 2 == 0)
- {
- if (fdata[i] != 31.0)
- abort ();
- }
- else
- {
- if (fdata[i] != 1.0)
- abort ();
- }
+ if (fdata[i] == 31.0)
+ thirtyones++;
+ else if (fdata[i] == 1.0)
+ ones++;
+
+ if (ones != N / 2 || thirtyones != N / 2)
+ abort ();
/* BINOP = / */
--
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