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aco: don't schedule instructions through depending VMEM instructions

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Previously, the scheduler tried to move up instructions from below depending
VMEM instructions only to move them down again when scheduling the VMEM
instruction.

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
This commit is contained in:
Daniel Schürmann 2019-10-10 16:31:40 +02:00 • committed by Rhys Perry
parent 636d45e46a
commit 8b5aee78cc
1 changed files with 3 additions and 0 deletions
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3
src/amd/compiler/aco_scheduler.cpp
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@ -336,6 +336,9 @@ void schedule_SMEM(sched_ctx& ctx, Block* block,
/* check if candidate depends on current */
bool is_dependency = std::any_of(candidate->operands.begin(), candidate->operands.end(),
[&ctx](const Operand& op) { return op.isTemp() && ctx.depends_on[op.tempId()];});
/* no need to steal from following VMEM instructions */
if (is_dependency && candidate->isVMEM())
break;
if (moving_spill && is_spill_reload(candidate))
is_dependency = true;
if ((moving_interaction & barrier_shared) && candidate->format == Format::DS)