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aco: keep can_reorder/barrier when combining addition into SMEM

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Affects 30 shaders in the pipeline-db (all youngblood).

Totals from affected shaders:
SGPRS: 2656 -> 2456 (-7.53 %)
VGPRS: 2260 -> 2260 (0.00 %)
Spilled SGPRs: 0 -> 0 (0.00 %)
Spilled VGPRs: 0 -> 0 (0.00 %)
Private memory VGPRs: 0 -> 0 (0.00 %)
Scratch size: 0 -> 0 (0.00 %) dwords per thread
Code Size: 240680 -> 240944 (0.11 %) bytes
LDS: 0 -> 0 (0.00 %) blocks
Max Waves: 90 -> 90 (0.00 %)

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
This commit is contained in:
Rhys Perry 2019-10-15 17:01:24 +01:00
parent 57c2cfb608
commit c96289a70e
1 changed files with 2 additions and 0 deletions
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2
src/amd/compiler/aco_optimizer.cpp
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@ -703,6 +703,8 @@ void label_instruction(opt_ctx &ctx, aco_ptr<Instruction>& instr)
new_instr->operands.back() = Operand(base);
if (!smem->definitions.empty())
new_instr->definitions[0] = smem->definitions[0];
new_instr->can_reorder = smem->can_reorder;
new_instr->barrier = smem->barrier;
instr.reset(new_instr);
smem = static_cast<SMEM_instruction *>(instr.get());
}