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aco/ra: Use iterators for linear VGPR copy extraction

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29576>
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Natalie Vock 2025-02-18 16:21:14 +01:00 • committed by Marge Bot
parent ea3c04b535
commit 3f182bc1fa
1 changed files with 8 additions and 8 deletions
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16
src/amd/compiler/aco_register_allocation.cpp
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@ -3064,18 +3064,18 @@ emit_parallel_copy(ra_ctx& ctx, std::vector<std::pair<Operand, Definition>>& par
std::vector<std::pair<Operand, Definition>> linear_vgpr;
if (ctx.num_linear_vgprs) {
unsigned next = 0;
for (unsigned i = 0; i < parallelcopy.size(); i++) {
if (parallelcopy[i].first.regClass().is_linear_vgpr()) {
linear_vgpr.push_back(parallelcopy[i]);
auto next = parallelcopy.begin();
for (auto it = parallelcopy.begin(); it != parallelcopy.end(); ++it) {
if (it->first.regClass().is_linear_vgpr()) {
linear_vgpr.push_back(*it);
continue;
}
if (next != i)
parallelcopy[next] = parallelcopy[i];
next++;
if (next != it)
*next = *it;
++next;
}
parallelcopy.resize(next);
parallelcopy.erase(next, parallelcopy.end());
}
/* Because of how linear VGPRs are allocated, we should never have to move a linear VGPR into the