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aco: don't propagate WQM for p_as_uniform

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This was needed, so that in case of active helper lanes,
these contain the correct value. It is now handled implicitly.

Totals from 1004 (0.74% of 134913) affected shaders: (GFX10.3)
CodeSize: 7581020 -> 7580892 (-0.00%); split: -0.00%, +0.00%
Instrs: 1454940 -> 1454908 (-0.00%); split: -0.00%, +0.00%
Latency: 12984953 -> 12984894 (-0.00%); split: -0.00%, +0.00%
InvThroughput: 3173037 -> 3173049 (+0.00%); split: -0.00%, +0.00%
PreSGPRs: 47498 -> 47273 (-0.47%)

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14951>
This commit is contained in:
Daniel Schürmann 2022-01-25 13:12:40 +01:00 • committed by Marge Bot
parent 825cd696dc
commit f816dd1be7
1 changed files with 1 additions and 2 deletions
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3
src/amd/compiler/aco_insert_exec_mask.cpp
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@ -147,8 +147,7 @@ get_block_needs(wqm_ctx& ctx, exec_ctx& exec_ctx, Block* block)
aco_ptr<Instruction>& instr = block->instructions[i];
WQMState needs = needs_exact(instr) ? Exact : Unspecified;
bool propagate_wqm =
instr->opcode == aco_opcode::p_wqm || instr->opcode == aco_opcode::p_as_uniform;
bool propagate_wqm = instr->opcode == aco_opcode::p_wqm;
bool preserve_wqm = instr->opcode == aco_opcode::p_discard_if;
bool pred_by_exec = needs_exec_mask(instr.get());
for (const Definition& definition : instr->definitions) {