Update PTX mapping for CUDA 13.4 and test release coverage

cuda_bindings_13/cuda/bindings/utils/_ptx_utils.py

@@ -51,6 +51,7 @@
     "9.1": (13, 1),
     "9.2": (13, 2),
     "9.3": (13, 3),
+    "9.4": (13, 4),
 }
 
 

cuda_bindings_13/tests/test_utils.py

@@ -17,6 +17,7 @@
     get_minimal_required_cuda_ver_from_ptx_ver,
     get_ptx_ver,
 )
+from cuda.bindings.utils._ptx_utils import _ptx_to_cuda
 
 have_cufile = importlib.util.find_spec("cuda.bindings.cufile") is not None
 
@@ -72,6 +73,16 @@ def test_ptx_utils(kernel, actual_ptx_ver, min_cuda_ver):
     assert cuda_ver == min_cuda_ver
 
 
+@pytest.mark.agent_authored(model="gpt-6")
+def test_ptx_mapping_covers_bindings_cuda_version():
+    """Keep the PTX table in sync with the CUDA release of the generated bindings."""
+    cuda_version = (driver.CUDA_VERSION // 1000, (driver.CUDA_VERSION % 1000) // 10)
+    assert cuda_version in _ptx_to_cuda.values(), (
+        f"No PTX ISA mapping for CUDA {cuda_version[0]}.{cuda_version[1]}. "
+        "Check the PTX ISA release history and update cuda_bindings_13/cuda/bindings/utils/_ptx_utils.py."
+    )
+
+
 @pytest.mark.parametrize(
     "target",
     (