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-rw-r--r--libclc/generic/lib/atomic/atomic_sub.cl12
1 files changed, 12 insertions, 0 deletions
diff --git a/libclc/generic/lib/atomic/atomic_sub.cl b/libclc/generic/lib/atomic/atomic_sub.cl
new file mode 100644
index 00000000000..49098ffddd3
--- /dev/null
+++ b/libclc/generic/lib/atomic/atomic_sub.cl
@@ -0,0 +1,12 @@
+#include <clc/clc.h>
+
+#define IMPL(TYPE, AS) \
+_CLC_OVERLOAD _CLC_DEF TYPE atomic_sub(volatile AS TYPE *p, TYPE val) { \
+ return __sync_fetch_and_sub(p, val); \
+}
+
+IMPL(int, global)
+IMPL(unsigned int, global)
+IMPL(int, local)
+IMPL(unsigned int, local)
+#undef IMPL
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