nx2: lower what title 4 needs after its intro

- 64-bit adds: IADD3/UIADD3 with a carry-out predicate (unsigned compare of
  the sum) and IADD3.X/UIADD3.X with a carry-in predicate (SEL + add); uniform
  predicates go through R239 like UISETP. Used by a compute pass the game runs
  thousands of times while loading the next area.
- TMML (0xb69) LOD query, 2D: 8.8 fixed-point results as on Maxwell.
- Vertex stores to a[0x5c] (an Ampere per-primitive hint, likely shading rate)
  are dropped; Eden had no attribute for it and refused the pipelines.

All 864 shaders from a 5-minute scripted session past the intro now lower,
except the opt-in tensor-core upscaler (bilinear stand-in).

0 files changed, 0 insertions, 0 deletions