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Merge pull request #3537 from Sonicadvance1/remove_vla_ra

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RA: Removes VLA usage
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Alyssa Rosenzweig authored and GitHub committed 2024-03-31 14:44:37 -04:00
2 parents 2a625a467b fedc24be1e
commit 67baff8a57
1 file changed
+4 -2
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FEXCore/Source/Interface/IR/Passes/RegisterAllocationPass.cpp
+4 -2
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@@ -297,6 +297,8 @@ namespace {
bool RunAllocateVirtualRegisters(IREmitter *IREmit);
uint64_t OriginalRIP;
fextl::vector<LiveRange*> StaticMaps;
};
ConstrainedRAPass::ConstrainedRAPass(FEXCore::IR::Pass* _CompactionPass, bool _SupportsAVX)
@@ -550,7 +552,7 @@ namespace {
auto GprSize = Graph->Set.Classes[GPRFixedClass.Val].PhysicalCount;
auto MapsSize = Graph->Set.Classes[GPRFixedClass.Val].PhysicalCount + Graph->Set.Classes[FPRFixedClass.Val].PhysicalCount;
LiveRange* StaticMaps[MapsSize];
StaticMaps.resize(MapsSize);
// Get a StaticMap entry from context offset
const auto GetStaticMapFromOffset = [&](uint32_t Offset) -> LiveRange** {
@@ -625,7 +627,7 @@ namespace {
// - Mark read-aliases
// - Demote read-aliases if SRA reg is written before the alias's last read
for (auto [BlockNode, BlockHeader] : IR->GetBlocks()) {
memset(StaticMaps, 0, MapsSize * sizeof(LiveRange*));
memset(StaticMaps.data(), 0, MapsSize * sizeof(LiveRange*));
for (auto [CodeNode, IROp] : IR->GetCode(BlockNode)) {
const auto Node = IR->GetID(CodeNode);
auto& NodeLiveRange = LiveRanges[Node.Value];