[PATCH v2 0/9] MR459: Draft: vkd3d-shader/dxil: Implement the DXIL VSELECT instruction.

[Conor McCarthy (＠cmccarthy)]

Goes atop !436 and !441. The last seven commits belong to this MR.

--
  v2: vkd3d-shader/spirv: Avoid redundant bool-to-bool conversions in spirv_compiler_emit_movc().
      vkd3d-shader/dxil: Implement the DXIL VSELECT instruction.
      tests/shader-runner: Introduce an sm6 condition for test directives.
      tests/shader-runner: Add tests for 64-bit casts.
      vkd3d-shader/spirv: Return an error if an invalid handler is encountered.
      tests/shader-runner: Add a test for float comparisons.
      vkd3d-shader/spirv: Introduce orderedness to comparison instructions.
      vkd3d-shader/dxil: Implement the DXIL CMP2 instruction.
      vkd3d-shader/spirv: Support bool dst register in spirv_compiler_emit_comparison_instruction().

https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/459