filter fp64 dtypes for ARC (#819)

filter double, complex128, float64 from the dtypeIfXPU and
dtype_backward of op for ARC.

Co-authored-by: Zhong, Ruijie <ruijie.zhong@intel.com>

test/xpu/xpu_test_utils.py

@@ -659,6 +659,11 @@ def align_supported_dtypes(self, db):
                 backward_dtypes.add(bfloat16)
                 opinfo.backward_dtypes = tuple(backward_dtypes)
 
+            if "has_fp64=0" in str(torch.xpu.get_device_properties(0)):
+                fp64_dtypes = [ torch.float64, torch.complex128, torch.double, ]
+                opinfo.dtypesIfXPU = set(filter(lambda x: (x not in fp64_dtypes), list(opinfo.dtypesIfXPU)))
+                opinfo.backward_dtypes = tuple(filter(lambda x: (x not in fp64_dtypes), list(opinfo.backward_dtypes)))
+
     def __enter__(self):
         # Monkey patch until we have a fancy way