[PATCH 0/6] MR694: vkd3d-shader/hlsl: Improve SM1 support for non-float operations, part 2.

[Francisco Casas (＠fcasas)]

Patches with tests and other miscellaneous changes required before the remaining features in my [sm1_logic](https://gitlab.winehq.org/fcasas/vkd3d/-/commits/sm1_logic) branch. Includes some rebased spirv.c patches by Zeb.