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aco: remove rollback code around parallelcopy creation

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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/7656>
This commit is contained in:
Rhys Perry
2020-11-16 14:30:09 +00:00
committed by Marge Bot
parent 9177fe8356
commit 6f7cb47ad8
1 changed files with 4 additions and 13 deletions
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17
src/amd/compiler/aco_register_allocation.cpp
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@@ -2271,26 +2271,17 @@ void register_allocation(Program *program, std::vector<IDSet>& live_out_per_bloc
if (temp_in_scc && sgpr_operands_alias_defs) {
/* disable definitions and re-enable operands */
RegisterFile tmp_file(register_file);
for (const Definition& def : instr->definitions) {
if (def.isTemp() && !def.isKill())
register_file.clear(def);
tmp_file.clear(def);
}
for (const Operand& op : instr->operands) {
if (op.isTemp() && op.isFirstKill())
register_file.block(op.physReg(), op.regClass());
tmp_file.block(op.physReg(), op.regClass());
}
handle_pseudo(ctx, register_file, pc.get());
/* re-enable live vars */
for (const Operand& op : instr->operands) {
if (op.isTemp() && op.isFirstKill())
register_file.clear(op);
}
for (const Definition& def : instr->definitions) {
if (def.isTemp() && !def.isKill())
register_file.fill(def);
}
handle_pseudo(ctx, tmp_file, pc.get());
} else {
pc->tmp_in_scc = false;
}