radv: flush f32->f16 conversion denormals to zero. (v2)
SPIR-V defines the f32->f16 operation as flushing denormals to 0, this compares the class using amd class opcode. Thanks to Matt Arsenault for figuring it out. This fix is VI+ only, add a TODO for SI/CIK. This fixes: dEQP-VK.spirv_assembly.instruction.compute.opquantize.flush_to_zero Acked-by:Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Signed-off-by:
Dave Airlie <airlied@redhat.com>