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AlexandClaude Opus 5.5 e1f81abd85 fix(shader): quiet signaling NaN halves in v_pack_b32_f16 in IEEE mode
With IEEE_MODE=1 the hardware quiets each signaling NaN half that
v_pack_b32_f16 packs, after neg and abs; with IEEE=0 it copies the bits.
The recompiler always copied them. Same rule as #1867, measured on
gfx1036 in both modes.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
2026-10-10 08:52:03 +02:00
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