[Piglit] [PATCH 1/2] cl: Add global atomic_cmpxchg tests

[Jan Vesely]

Passes on CUDA, beignet, clover on kaveri, and intel CPU.

Signed-off-by: Jan Vesely <jan.vesely at rutgers.edu>
---
 .../builtin/atomic/atomic_cmpxchg-global-return.cl | 74 ++++++++++++++++++++++
 .../builtin/atomic/atomic_cmpxchg-global.cl        | 69 ++++++++++++++++++++
 2 files changed, 143 insertions(+)
 create mode 100644 tests/cl/program/execute/builtin/atomic/atomic_cmpxchg-global-return.cl
 create mode 100644 tests/cl/program/execute/builtin/atomic/atomic_cmpxchg-global.cl

diff --git a/tests/cl/program/execute/builtin/atomic/atomic_cmpxchg-global-return.cl b/tests/cl/program/execute/builtin/atomic/atomic_cmpxchg-global-return.cl
new file mode 100644
index 0000000..2cc1031
--- /dev/null
+++ b/tests/cl/program/execute/builtin/atomic/atomic_cmpxchg-global-return.cl
@@ -0,0 +1,74 @@
+/*!
+[config]
+name: atomic_cmpxchg global return
+clc_version_min: 11
+
+[test]
+name: simple int
+kernel_name: simple_int
+dimensions: 1
+global_size: 1 0 0
+arg_out: 0 buffer int[2]  5 -4
+arg_in:  0 buffer int[2] -4 -4
+arg_in:  1 buffer int[2] -4  3
+arg_in:  2 buffer int[2]  5  5
+arg_out: 3 buffer int[2] -4 -4
+
+[test]
+name: simple uint
+kernel_name: simple_uint
+dimensions: 1
+global_size: 1 0 0
+arg_out: 0 buffer uint[2] 5 4
+arg_in:  0 buffer uint[2] 4 4
+arg_in:  1 buffer uint[2] 4 3
+arg_in:  2 buffer uint[2] 5 5
+arg_out: 3 buffer uint[2] 4 4
+
+[test]
+name: threads int
+kernel_name: threads_int
+dimensions: 1
+global_size: 8 0 0
+local_size:  8 0 0
+arg_out: 0 buffer int[1] 8
+arg_in:  0 buffer int[1] 0
+arg_out: 1 buffer int[8] 0 1 2 3 4 5 6 7
+
+[test]
+name: threads uint
+kernel_name: threads_uint
+dimensions: 1
+global_size: 8 0 0
+local_size:  8 0 0
+arg_out: 0 buffer uint[1] 8
+arg_in:  0 buffer uint[1] 0
+arg_out: 1 buffer uint[8] 0 1 2 3 4 5 6 7
+
+!*/
+
+#define SIMPLE_TEST(TYPE) \
+kernel void simple_##TYPE(global TYPE *initial, global TYPE *compare, global TYPE *value, global TYPE *old) { \
+	old[0] = atomic_cmpxchg(initial, compare[0], value[0]); \
+	old[1] = atomic_cmpxchg(initial+1, compare[1], value[1]); \
+}
+
+#define THREADS_TEST(TYPE) \
+kernel void threads_##TYPE(global TYPE *out, global TYPE *old) { \
+	int i; \
+	barrier(CLK_GLOBAL_MEM_FENCE); \
+	TYPE id = get_global_id(0); \
+	for(i = 0; i < get_global_size(0); i++){ \
+		TYPE old_val = atomic_cmpxchg(out, id, id+1); \
+		if (old_val == id) /* success */ \
+			old[id] = old_val; \
+		barrier(CLK_GLOBAL_MEM_FENCE); \
+	} \
+}
+
+SIMPLE_TEST(int)
+SIMPLE_TEST(uint)
+
+THREADS_TEST(int)
+THREADS_TEST(uint)
+
diff --git a/tests/cl/program/execute/builtin/atomic/atomic_cmpxchg-global.cl b/tests/cl/program/execute/builtin/atomic/atomic_cmpxchg-global.cl
new file mode 100644
index 0000000..05cf401
--- /dev/null
+++ b/tests/cl/program/execute/builtin/atomic/atomic_cmpxchg-global.cl
@@ -0,0 +1,69 @@
+/*!
+[config]
+name: atomic_cmpxchg global
+clc_version_min: 11
+
+[test]
+name: simple int
+kernel_name: simple_int
+dimensions: 1
+global_size: 1 0 0
+arg_out: 0 buffer int[2]  5 -4
+arg_in:  0 buffer int[2] -4 -4
+arg_in:  1 buffer int[2] -4  3
+arg_in:  2 buffer int[2]  5  5
+
+[test]
+name: simple uint
+kernel_name: simple_uint
+dimensions: 1
+global_size: 1 0 0
+arg_out: 0 buffer uint[2] 5 4
+arg_in:  0 buffer uint[2] 4 4
+arg_in:  1 buffer uint[2] 4 3
+arg_in:  2 buffer uint[2] 5 5
+
+[test]
+name: threads int
+kernel_name: threads_int
+dimensions: 1
+global_size: 8 0 0
+local_size:  8 0 0
+arg_out: 0 buffer int[1] 8
+arg_in:  0 buffer int[1] 0
+
+[test]
+name: threads uint
+kernel_name: threads_uint
+dimensions: 1
+global_size: 8 0 0
+local_size:  8 0 0
+arg_out: 0 buffer uint[1] 8
+arg_in:  0 buffer uint[1] 0
+
+!*/
+
+#define SIMPLE_TEST(TYPE) \
+kernel void simple_##TYPE(global TYPE *initial, global TYPE *compare, global TYPE *value) { \
+	atomic_cmpxchg(initial, compare[0], value[0]); \
+	atomic_cmpxchg(initial+1, compare[1], value[1]); \
+}
+
+#define THREADS_TEST(TYPE) \
+kernel void threads_##TYPE(global TYPE *out) { \
+	int i; \
+	barrier(CLK_GLOBAL_MEM_FENCE); \
+	TYPE id = get_global_id(0); \
+	for(i = 0; i < get_global_size(0); i++){ \
+		if (i == id){ \
+			atomic_cmpxchg(out, id, id+1); \
+		} \
+		barrier(CLK_GLOBAL_MEM_FENCE); \
+	} \
+}
+
+SIMPLE_TEST(int)
+SIMPLE_TEST(uint)
+
+THREADS_TEST(int)
+THREADS_TEST(uint)
-- 
2.7.4