Re: [PATCH 0/8] MR281: vkd3d-shader/tpf: Replace sm4 register structs with vkd3d-shader register structs, part 1.

[Giovanni Mascellani (＠giomasce)]

Giovanni Mascellani (@giomasce) commented about libs/vkd3d-shader/tpf.c:
> VKD3D_SM4_DIMENSION_NONE    = 0x0,
>      VKD3D_SM4_DIMENSION_SCALAR  = 0x1,
>      VKD3D_SM4_DIMENSION_VEC4    = 0x2,
> +
> +    VKD3D_SM4_DIMENSION_INVALID = ~0,

Maybe it's ok anyway, but I would suggest `~0u`, as in general bitwise operations on signed operands are likelier to hit UB than on unsigned operands.

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https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/281#note_39591