From 75bb2f3c85330b2aeba9e0a4a25f7eb059bcd754 Mon Sep 17 00:00:00 2001 From: Mingyao Yang Date: Thu, 30 Nov 2017 14:45:44 -0800 Subject: Type conversion elimination of constants A better way of eliminating type conversion for constants. Test: run-test on host. 711-checker-type-conversion. Change-Id: I457bc091542a5ac4cc4e77cadb012ee7cb040ce8 --- compiler/optimizing/nodes.cc | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'compiler/optimizing/nodes.cc') diff --git a/compiler/optimizing/nodes.cc b/compiler/optimizing/nodes.cc index fa580d9bed6..4a9da7ece1a 100644 --- a/compiler/optimizing/nodes.cc +++ b/compiler/optimizing/nodes.cc @@ -1403,6 +1403,14 @@ HConstant* HTypeConversion::TryStaticEvaluation() const { if (GetInput()->IsIntConstant()) { int32_t value = GetInput()->AsIntConstant()->GetValue(); switch (GetResultType()) { + case DataType::Type::kInt8: + return graph->GetIntConstant(static_cast(value), GetDexPc()); + case DataType::Type::kUint8: + return graph->GetIntConstant(static_cast(value), GetDexPc()); + case DataType::Type::kInt16: + return graph->GetIntConstant(static_cast(value), GetDexPc()); + case DataType::Type::kUint16: + return graph->GetIntConstant(static_cast(value), GetDexPc()); case DataType::Type::kInt64: return graph->GetLongConstant(static_cast(value), GetDexPc()); case DataType::Type::kFloat32: @@ -1415,6 +1423,14 @@ HConstant* HTypeConversion::TryStaticEvaluation() const { } else if (GetInput()->IsLongConstant()) { int64_t value = GetInput()->AsLongConstant()->GetValue(); switch (GetResultType()) { + case DataType::Type::kInt8: + return graph->GetIntConstant(static_cast(value), GetDexPc()); + case DataType::Type::kUint8: + return graph->GetIntConstant(static_cast(value), GetDexPc()); + case DataType::Type::kInt16: + return graph->GetIntConstant(static_cast(value), GetDexPc()); + case DataType::Type::kUint16: + return graph->GetIntConstant(static_cast(value), GetDexPc()); case DataType::Type::kInt32: return graph->GetIntConstant(static_cast(value), GetDexPc()); case DataType::Type::kFloat32: -- cgit v1.2.3