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aco: don't move descriptor loads below buffer loads

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fossil-db (GFX10.3):
Totals from 52870 (36.15% of 146267) affected shaders:
VGPRs: 2109936 -> 2110056 (+0.01%); split: -0.01%, +0.01%
CodeSize: 134898056 -> 134812748 (-0.06%); split: -0.08%, +0.02%
MaxWaves: 1347354 -> 1347346 (-0.00%)
Instrs: 25598063 -> 25575415 (-0.09%); split: -0.11%, +0.02%
Latency: 432491613 -> 432047723 (-0.10%); split: -0.12%, +0.02%
InvThroughput: 90940977 -> 90927545 (-0.01%); split: -0.03%, +0.01%
VClause: 570039 -> 570019 (-0.00%); split: -0.05%, +0.04%
SClause: 1145076 -> 1139040 (-0.53%); split: -0.60%, +0.07%
Copies: 1513949 -> 1513102 (-0.06%); split: -0.32%, +0.26%
Branches: 524279 -> 524275 (-0.00%); split: -0.03%, +0.03%

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6489>
This commit is contained in:
Rhys Perry 2020-11-27 17:26:46 +00:00 • committed by Marge Bot
parent f8bf6b9e0a
commit bc71222cd9
1 changed files with 3 additions and 0 deletions
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3
src/amd/compiler/aco_scheduler.cpp
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@ -647,6 +647,9 @@ void schedule_SMEM(sched_ctx& ctx, Block* block,
break;
if (candidate->isVMEM())
break;
/* don't move descriptor loads below buffer loads */
if (candidate->format == Format::SMEM && current->operands[0].size() == 4 && candidate->operands[0].size() == 2)
break;
bool can_move_down = true;