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aco/optimizer: apply f2f32 without label_usedef

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This means we apply it to instructions where an omod label removed label_usedef.

Foz-DB Navi21:
Totals from 52 (0.07% of 79789) affected shaders:
Instrs: 144945 -> 144304 (-0.44%); split: -0.45%, +0.01%
CodeSize: 835956 -> 833992 (-0.23%); split: -0.30%, +0.06%
Latency: 2850900 -> 2850018 (-0.03%); split: -0.05%, +0.02%
InvThroughput: 1299486 -> 1299116 (-0.03%); split: -0.05%, +0.02%
Copies: 29638 -> 29803 (+0.56%); split: -0.16%, +0.71%
VALU: 94971 -> 94329 (-0.68%); split: -0.69%, +0.01%
SALU: 29272 -> 29274 (+0.01%)

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34858>
This commit is contained in:
Georg Lehmann 2025-05-08 16:42:44 +02:00 • committed by Marge Bot
parent c0e88c376a
commit edfba93f4c
1 changed files with 0 additions and 3 deletions
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3
src/amd/compiler/aco_optimizer.cpp
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@ -1885,7 +1885,6 @@ label_instruction(opt_ctx& ctx, aco_ptr<Instruction>& instr)
case aco_opcode::v_max_i16:
case aco_opcode::v_max_u16_e64:
case aco_opcode::v_max_i16_e64:
case aco_opcode::v_cvt_f32_f16:
case aco_opcode::v_mov_b32:
case aco_opcode::v_mul_lo_u16:
case aco_opcode::v_mul_lo_u16_e64:
@ -3695,8 +3694,6 @@ combine_mad_mix(opt_ctx& ctx, aco_ptr<Instruction>& instr)
if (!instr->operands[i].isTemp())
continue;
Temp tmp = instr->operands[i].getTemp();
if (!ctx.info[tmp.id()].is_usedef())
continue;
Instruction* conv = ctx.info[tmp.id()].parent_instr;
if (conv->opcode != aco_opcode::v_cvt_f32_f16 || !conv->operands[0].isTemp() ||