[Nouveau] [Bug 90348] Spilling failure of b96 merged value

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90348

--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Created attachment 115607
  --> https://bugs.freedesktop.org/attachment.cgi?id=115607&action=edit
shader causing spill failure

Compile with -a e4 to get the failure. Works on GK110 since that has 256
registers.

This is what ultimately causes the failure at emit time:

140: texfetch 2D $r0 $s0 f32 $r48t $r48q (8)
141: texbar - # $r48t (8)
142: st b96 # l[0x0] $r48t (8)

codegen/nv50_ir_emit_nvc0.cpp:1659:emitLoadStoreType: Assertion `!"invalid
type"' failed.

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