[PATCH v2 0/3] MR589: vkd3d-shader/dxil: Implement DX intrinsic SplitDouble.

[Conor McCarthy (＠cmccarthy)]

--
  v2: vkd3d-shader/spirv: Handle split double bitcast in spirv_compiler_emit_load_ssa_reg().
      tests/shader-runner: Add split double test to 64-bit cast tests.

https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/589