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nak: enable MUFU.F16 on Turing and newer

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Totals from 1427 (0.12% of 1163204) affected shaders:
CodeSize: 18599616 -> 18495424 (-0.56%); split: -0.56%, +0.00%
Number of GPRs: 91579 -> 91571 (-0.01%)
SLM Size: 14144 -> 14140 (-0.03%)
Static cycle count: 96164214 -> 96075886 (-0.09%); split: -0.13%, +0.04%
Spills to memory: 2677 -> 2681 (+0.15%)
Fills from memory: 2677 -> 2681 (+0.15%)
Max warps/SM: 48868 -> 48872 (+0.01%)

Reviewed-by: Mel Henning <mhenning@darkrefraction.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40392>
This commit is contained in:
Karol Herbst 2026-03-13 11:01:45 +01:00 • committed by Marge Bot
parent c7ff7c7d40
commit 9cc2cd843b
1 changed files with 13 additions and 0 deletions
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13
src/nouveau/compiler/nak_nir.c
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@ -275,6 +275,19 @@ lower_bit_size_cb(const nir_instr *instr, void *data)
return 0;
break;
case nir_op_fcos:
case nir_op_fcos_normalized_2_pi:
case nir_op_fexp2:
case nir_op_flog2:
case nir_op_frcp:
case nir_op_frsq:
case nir_op_fsin:
case nir_op_fsin_normalized_2_pi:
case nir_op_fsqrt:
if (bit_size == 16 && nak->sm >= 73)
return 0;
break;
case nir_op_fmax:
case nir_op_fmin:
if (bit_size == 16 && nak->sm >= 80)