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[OpenCL] Add atomic_half type builtins
Add atomic_half types and builtins operating on the types from the cl_ext_float_atomics extension. Patch by Haonan Yang. Differential Revision: https://reviews.llvm.org/D109740
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‎clang/lib/Headers/opencl-c.h

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@@ -13640,6 +13640,118 @@ uintptr_t __ovld atomic_fetch_sub_explicit(volatile __local atomic_uintptr_t *ob
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// The functionality added by cl_ext_float_atomics extension
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#if defined(cl_ext_float_atomics)
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#if defined(__opencl_c_ext_fp16_global_atomic_load_store)
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void __ovld atomic_store(volatile __global atomic_half *object, half operand);
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void __ovld atomic_store_explicit(volatile __global atomic_half *object,
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half operand, memory_order order);
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void __ovld atomic_store_explicit(volatile __global atomic_half *object,
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half operand, memory_order order,
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memory_scope scope);
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half __ovld atomic_load(volatile __global atomic_half *object);
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half __ovld atomic_load_explicit(volatile __global atomic_half *object,
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memory_order order);
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half __ovld atomic_load_explicit(volatile __global atomic_half *object,
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memory_order order, memory_scope scope);
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half __ovld atomic_exchange(volatile __global atomic_half *object,
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half operand);
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half __ovld atomic_exchange_explicit(volatile __global atomic_half *object,
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half operand, memory_order order);
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half __ovld atomic_exchange_explicit(volatile __global atomic_half *object,
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half operand, memory_order order,
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memory_scope scope);
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#endif // defined(__opencl_c_ext_fp16_global_atomic_load_store)
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#if defined(__opencl_c_ext_fp16_local_atomic_load_store)
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void __ovld atomic_store(volatile __local atomic_half *object, half operand);
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void __ovld atomic_store_explicit(volatile __local atomic_half *object,
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half operand, memory_order order);
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void __ovld atomic_store_explicit(volatile __local atomic_half *object,
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half operand, memory_order order,
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memory_scope scope);
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half __ovld atomic_load(volatile __local atomic_half *object);
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half __ovld atomic_load_explicit(volatile __local atomic_half *object,
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memory_order order);
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half __ovld atomic_load_explicit(volatile __local atomic_half *object,
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memory_order order, memory_scope scope);
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half __ovld atomic_exchange(volatile __local atomic_half *object, half operand);
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half __ovld atomic_exchange_explicit(volatile __local atomic_half *object,
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half operand, memory_order order);
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half __ovld atomic_exchange_explicit(volatile __local atomic_half *object,
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half operand, memory_order order,
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memory_scope scope);
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#endif // defined(__opencl_c_ext_fp16_local_atomic_load_store)
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#if defined(__opencl_c_ext_fp16_global_atomic_load_store) && \
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defined(__opencl_c_ext_fp16_local_atomic_load_store)
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void __ovld atomic_store(volatile atomic_half *object, half operand);
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void __ovld atomic_store_explicit(volatile atomic_half *object, half operand,
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memory_order order);
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void __ovld atomic_store_explicit(volatile atomic_half *object, half operand,
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memory_order order, memory_scope scope);
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half __ovld atomic_load(volatile atomic_half *object);
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half __ovld atomic_load_explicit(volatile atomic_half *object,
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memory_order order);
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half __ovld atomic_load_explicit(volatile atomic_half *object,
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memory_order order, memory_scope scope);
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half __ovld atomic_exchange(volatile atomic_half *object, half operand);
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half __ovld atomic_exchange_explicit(volatile atomic_half *object, half operand,
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memory_order order);
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half __ovld atomic_exchange_explicit(volatile atomic_half *object, half operand,
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memory_order order, memory_scope scope);
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#endif // defined(__opencl_c_ext_fp16_global_atomic_load_store) &&
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// defined(__opencl_c_ext_fp16_local_atomic_load_store)
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#if defined(__opencl_c_ext_fp16_global_atomic_min_max)
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half __ovld atomic_fetch_min(volatile __global atomic_half *object,
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half operand);
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half __ovld atomic_fetch_max(volatile __global atomic_half *object,
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half operand);
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half __ovld atomic_fetch_min_explicit(volatile __global atomic_half *object,
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half operand, memory_order order);
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half __ovld atomic_fetch_max_explicit(volatile __global atomic_half *object,
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half operand, memory_order order);
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half __ovld atomic_fetch_min_explicit(volatile __global atomic_half *object,
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half operand, memory_order order,
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memory_scope scope);
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half __ovld atomic_fetch_max_explicit(volatile __global atomic_half *object,
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half operand, memory_order order,
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memory_scope scope);
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#endif // defined(__opencl_c_ext_fp16_global_atomic_min_max)
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#if defined(__opencl_c_ext_fp16_local_atomic_min_max)
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half __ovld atomic_fetch_min(volatile __local atomic_half *object,
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half operand);
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half __ovld atomic_fetch_max(volatile __local atomic_half *object,
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half operand);
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half __ovld atomic_fetch_min_explicit(volatile __local atomic_half *object,
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half operand, memory_order order);
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half __ovld atomic_fetch_max_explicit(volatile __local atomic_half *object,
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half operand, memory_order order);
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half __ovld atomic_fetch_min_explicit(volatile __local atomic_half *object,
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half operand, memory_order order,
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memory_scope scope);
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half __ovld atomic_fetch_max_explicit(volatile __local atomic_half *object,
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half operand, memory_order order,
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memory_scope scope);
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#endif // defined(__opencl_c_ext_fp16_local_atomic_min_max)
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#if defined(__opencl_c_ext_fp16_global_atomic_min_max) && \
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defined(__opencl_c_ext_fp16_local_atomic_min_max)
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half __ovld atomic_fetch_min(volatile atomic_half *object, half operand);
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half __ovld atomic_fetch_max(volatile atomic_half *object, half operand);
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half __ovld atomic_fetch_min_explicit(volatile atomic_half *object,
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half operand, memory_order order);
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half __ovld atomic_fetch_max_explicit(volatile atomic_half *object,
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half operand, memory_order order);
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half __ovld atomic_fetch_min_explicit(volatile atomic_half *object,
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half operand, memory_order order,
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memory_scope scope);
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half __ovld atomic_fetch_max_explicit(volatile atomic_half *object,
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half operand, memory_order order,
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memory_scope scope);
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#endif // defined(__opencl_c_ext_fp16_global_atomic_min_max) && \
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defined(__opencl_c_ext_fp16_local_atomic_min_max)
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#if defined(__opencl_c_ext_fp32_global_atomic_min_max)
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float __ovld atomic_fetch_min(volatile __global atomic_float *object,
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float operand);
@@ -13742,6 +13854,57 @@ double __ovld atomic_fetch_max_explicit(volatile atomic_double *object,
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#endif // defined(__opencl_c_ext_fp64_global_atomic_min_max) && \
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defined(__opencl_c_ext_fp64_local_atomic_min_max)
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#if defined(__opencl_c_ext_fp16_global_atomic_add)
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half __ovld atomic_fetch_add(volatile __global atomic_half *object,
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half operand);
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half __ovld atomic_fetch_sub(volatile __global atomic_half *object,
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half operand);
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half __ovld atomic_fetch_add_explicit(volatile __global atomic_half *object,
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half operand, memory_order order);
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half __ovld atomic_fetch_sub_explicit(volatile __global atomic_half *object,
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half operand, memory_order order);
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half __ovld atomic_fetch_add_explicit(volatile __global atomic_half *object,
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half operand, memory_order order,
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memory_scope scope);
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half __ovld atomic_fetch_sub_explicit(volatile __global atomic_half *object,
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half operand, memory_order order,
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memory_scope scope);
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#endif // defined(__opencl_c_ext_fp16_global_atomic_add)
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#if defined(__opencl_c_ext_fp16_local_atomic_add)
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half __ovld atomic_fetch_add(volatile __local atomic_half *object,
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half operand);
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half __ovld atomic_fetch_sub(volatile __local atomic_half *object,
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half operand);
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half __ovld atomic_fetch_add_explicit(volatile __local atomic_half *object,
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half operand, memory_order order);
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half __ovld atomic_fetch_sub_explicit(volatile __local atomic_half *object,
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half operand, memory_order order);
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half __ovld atomic_fetch_add_explicit(volatile __local atomic_half *object,
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half operand, memory_order order,
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memory_scope scope);
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half __ovld atomic_fetch_sub_explicit(volatile __local atomic_half *object,
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half operand, memory_order order,
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memory_scope scope);
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#endif // defined(__opencl_c_ext_fp16_local_atomic_add)
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#if defined(__opencl_c_ext_fp16_global_atomic_add) && \
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defined(__opencl_c_ext_fp16_local_atomic_add)
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half __ovld atomic_fetch_add(volatile atomic_half *object, half operand);
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half __ovld atomic_fetch_sub(volatile atomic_half *object, half operand);
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half __ovld atomic_fetch_add_explicit(volatile atomic_half *object,
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half operand, memory_order order);
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half __ovld atomic_fetch_sub_explicit(volatile atomic_half *object,
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half operand, memory_order order);
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half __ovld atomic_fetch_add_explicit(volatile atomic_half *object,
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half operand, memory_order order,
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memory_scope scope);
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half __ovld atomic_fetch_sub_explicit(volatile atomic_half *object,
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half operand, memory_order order,
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memory_scope scope);
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#endif // defined(__opencl_c_ext_fp16_global_atomic_add) && \
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defined(__opencl_c_ext_fp16_local_atomic_add)
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#if defined(__opencl_c_ext_fp32_global_atomic_add)
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float __ovld atomic_fetch_add(volatile __global atomic_float *object,
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float operand);

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