From f3d2207d3671a1288694cebffe2355673a1c59e7 Mon Sep 17 00:00:00 2001
From: Allard Hendriksen <ahendriksen@nvidia.com>
Date: Tue, 17 Dec 2024 15:13:48 +0100
Subject: [PATCH] ptx: Add tcgen05.wait

---
 .../ptx/instructions/tcgen05_wait.rst         |  9 +++++
 .../cuda/__ptx/instructions/tcgen05_wait.h    | 37 +++++++++++++++++++
 libcudacxx/include/cuda/ptx                   |  1 +
 .../ptx/ptx.tcgen05.wait.compile.pass.cpp     | 22 +++++++++++
 4 files changed, 69 insertions(+)
 create mode 100644 docs/libcudacxx/ptx/instructions/tcgen05_wait.rst
 create mode 100644 libcudacxx/include/cuda/__ptx/instructions/tcgen05_wait.h
 create mode 100644 libcudacxx/test/libcudacxx/cuda/ptx/ptx.tcgen05.wait.compile.pass.cpp

diff --git a/docs/libcudacxx/ptx/instructions/tcgen05_wait.rst b/docs/libcudacxx/ptx/instructions/tcgen05_wait.rst
new file mode 100644
index 00000000000..cb149e5c9a1
--- /dev/null
+++ b/docs/libcudacxx/ptx/instructions/tcgen05_wait.rst
@@ -0,0 +1,9 @@
+.. _libcudacxx-ptx-instructions-tcgen05-wait:
+
+tcgen05.wait
+============
+
+-  PTX ISA:
+   `tcgen05.wait <https://docs.nvidia.com/cuda/parallel-thread-execution/index.html#tensorcore-5th-generation-instructions-tcgen05-wait>`__
+
+.. include:: generated/tcgen05_wait.rst
diff --git a/libcudacxx/include/cuda/__ptx/instructions/tcgen05_wait.h b/libcudacxx/include/cuda/__ptx/instructions/tcgen05_wait.h
new file mode 100644
index 00000000000..1684d9afd65
--- /dev/null
+++ b/libcudacxx/include/cuda/__ptx/instructions/tcgen05_wait.h
@@ -0,0 +1,37 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of libcu++, the C++ Standard Library for your entire system,
+// under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+// SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _CUDA_PTX_TCGEN05_WAIT_H_
+#define _CUDA_PTX_TCGEN05_WAIT_H_
+
+#include <cuda/std/detail/__config>
+
+#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
+#  pragma GCC system_header
+#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
+#  pragma clang system_header
+#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
+#  pragma system_header
+#endif // no system header
+
+#include <cuda/__ptx/ptx_dot_variants.h>
+#include <cuda/__ptx/ptx_helper_functions.h>
+#include <cuda/std/cstdint>
+
+#include <nv/target> // __CUDA_MINIMUM_ARCH__ and friends
+
+_LIBCUDACXX_BEGIN_NAMESPACE_CUDA_PTX
+
+#include <cuda/__ptx/instructions/generated/tcgen05_wait.h>
+
+_LIBCUDACXX_END_NAMESPACE_CUDA_PTX
+
+#endif // _CUDA_PTX_TCGEN05_WAIT_H_
diff --git a/libcudacxx/include/cuda/ptx b/libcudacxx/include/cuda/ptx
index 622371ae142..fc582f3ac7f 100644
--- a/libcudacxx/include/cuda/ptx
+++ b/libcudacxx/include/cuda/ptx
@@ -96,6 +96,7 @@
 #include <cuda/__ptx/instructions/tcgen05_mma_ws.h>
 #include <cuda/__ptx/instructions/tcgen05_shift.h>
 #include <cuda/__ptx/instructions/tcgen05_st.h>
+#include <cuda/__ptx/instructions/tcgen05_wait.h>
 #include <cuda/__ptx/instructions/tensormap_cp_fenceproxy.h>
 #include <cuda/__ptx/instructions/tensormap_replace.h>
 
diff --git a/libcudacxx/test/libcudacxx/cuda/ptx/ptx.tcgen05.wait.compile.pass.cpp b/libcudacxx/test/libcudacxx/cuda/ptx/ptx.tcgen05.wait.compile.pass.cpp
new file mode 100644
index 00000000000..4bb3156ed12
--- /dev/null
+++ b/libcudacxx/test/libcudacxx/cuda/ptx/ptx.tcgen05.wait.compile.pass.cpp
@@ -0,0 +1,22 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of libcu++, the C++ Standard Library for your entire system,
+// under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+// SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES.
+//
+//===----------------------------------------------------------------------===//
+// UNSUPPORTED: libcpp-has-no-threads
+
+// <cuda/ptx>
+
+#include <cuda/ptx>
+#include <cuda/std/utility>
+
+#include "generated/tcgen05_wait.h"
+
+int main(int, char**)
+{
+  return 0;
+}