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Ascend 950 extend_conv2d不支持fmap fp16 + NCHW，weight fp16 + HWCN， output fp16/int8 + NCHW，这样的dtype、format组合，为冗余配置，容易引起误导。
Ascend950
不涉及
算子信息配置正确
无
Thanks for sending an issue! Please fill in the following template to help quickly solve your problem.
Describe the current behavior / 问题描述 (Mandatory / 必填)
Ascend 950 extend_conv2d不支持fmap fp16 + NCHW，weight fp16 + HWCN， output fp16/int8 + NCHW，这样的dtype、format组合，为冗余配置，容易引起误导。
Environment Information / 环境信息 (Mandatory / 必填)
Ascend950
Steps to reproduce the issue / 重现步骤 (Mandatory / 必填)
不涉及
Describe the expected behavior / 预期结果 (Mandatory / 必填)
算子信息配置正确
Related log / screenshot / 日志 / 截图 (Mandatory / 必填)
无
Special notes for this issue/备注 (Optional / 选填)
无