| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "base/arena_allocator.h" |
| #include "code_generator_mips.h" |
| #include "optimizing_unit_test.h" |
| #include "parallel_move_resolver.h" |
| #include "utils/assembler_test_base.h" |
| #include "utils/mips/assembler_mips.h" |
| |
| #include "gtest/gtest.h" |
| |
| namespace art { |
| |
| class EmitSwapMipsTest : public OptimizingUnitTest { |
| public: |
| void SetUp() override { |
| instruction_set_ = InstructionSet::kMips; |
| instruction_set_features_ = MipsInstructionSetFeatures::FromCppDefines(); |
| OptimizingUnitTest::SetUp(); |
| graph_ = CreateGraph(); |
| codegen_.reset( |
| new (graph_->GetAllocator()) mips::CodeGeneratorMIPS(graph_, *compiler_options_)); |
| moves_ = new (GetAllocator()) HParallelMove(GetAllocator()); |
| test_helper_.reset( |
| new AssemblerTestInfrastructure(GetArchitectureString(), |
| GetAssemblerCmdName(), |
| GetAssemblerParameters(), |
| GetObjdumpCmdName(), |
| GetObjdumpParameters(), |
| GetDisassembleCmdName(), |
| GetDisassembleParameters(), |
| GetAssemblyHeader())); |
| } |
| |
| void TearDown() override { |
| test_helper_.reset(); |
| codegen_.reset(); |
| graph_ = nullptr; |
| ResetPoolAndAllocator(); |
| OptimizingUnitTest::TearDown(); |
| } |
| |
| // Get the typically used name for this architecture. |
| std::string GetArchitectureString() { |
| return "mips"; |
| } |
| |
| // Get the name of the assembler. |
| std::string GetAssemblerCmdName() { |
| return "as"; |
| } |
| |
| // Switches to the assembler command. |
| std::string GetAssemblerParameters() { |
| return " --no-warn -32 -march=mips32r2"; |
| } |
| |
| // Get the name of the objdump. |
| std::string GetObjdumpCmdName() { |
| return "objdump"; |
| } |
| |
| // Switches to the objdump command. |
| std::string GetObjdumpParameters() { |
| return " -h"; |
| } |
| |
| // Get the name of the objdump. |
| std::string GetDisassembleCmdName() { |
| return "objdump"; |
| } |
| |
| // Switches to the objdump command. |
| std::string GetDisassembleParameters() { |
| return " -D -bbinary -mmips:isa32r2"; |
| } |
| |
| // No need for assembly header here. |
| const char* GetAssemblyHeader() { |
| return nullptr; |
| } |
| |
| void DriverWrapper(HParallelMove* move, |
| const std::string& assembly_text, |
| const std::string& test_name) { |
| codegen_->GetMoveResolver()->EmitNativeCode(move); |
| assembler_ = codegen_->GetAssembler(); |
| assembler_->FinalizeCode(); |
| std::unique_ptr<std::vector<uint8_t>> data(new std::vector<uint8_t>(assembler_->CodeSize())); |
| MemoryRegion code(&(*data)[0], data->size()); |
| assembler_->FinalizeInstructions(code); |
| test_helper_->Driver(*data, assembly_text, test_name); |
| } |
| |
| protected: |
| HGraph* graph_; |
| HParallelMove* moves_; |
| std::unique_ptr<mips::CodeGeneratorMIPS> codegen_; |
| mips::MipsAssembler* assembler_; |
| std::unique_ptr<AssemblerTestInfrastructure> test_helper_; |
| }; |
| |
| TEST_F(EmitSwapMipsTest, TwoRegisters) { |
| moves_->AddMove( |
| Location::RegisterLocation(4), |
| Location::RegisterLocation(5), |
| DataType::Type::kInt32, |
| nullptr); |
| moves_->AddMove( |
| Location::RegisterLocation(5), |
| Location::RegisterLocation(4), |
| DataType::Type::kInt32, |
| nullptr); |
| const char* expected = |
| "or $t8, $a1, $zero\n" |
| "or $a1, $a0, $zero\n" |
| "or $a0, $t8, $zero\n"; |
| DriverWrapper(moves_, expected, "TwoRegisters"); |
| } |
| |
| TEST_F(EmitSwapMipsTest, TwoRegisterPairs) { |
| moves_->AddMove( |
| Location::RegisterPairLocation(4, 5), |
| Location::RegisterPairLocation(6, 7), |
| DataType::Type::kInt64, |
| nullptr); |
| moves_->AddMove( |
| Location::RegisterPairLocation(6, 7), |
| Location::RegisterPairLocation(4, 5), |
| DataType::Type::kInt64, |
| nullptr); |
| const char* expected = |
| "or $t8, $a2, $zero\n" |
| "or $a2, $a0, $zero\n" |
| "or $a0, $t8, $zero\n" |
| "or $t8, $a3, $zero\n" |
| "or $a3, $a1, $zero\n" |
| "or $a1, $t8, $zero\n"; |
| DriverWrapper(moves_, expected, "TwoRegisterPairs"); |
| } |
| |
| TEST_F(EmitSwapMipsTest, TwoFpuRegistersFloat) { |
| moves_->AddMove( |
| Location::FpuRegisterLocation(4), |
| Location::FpuRegisterLocation(2), |
| DataType::Type::kFloat32, |
| nullptr); |
| moves_->AddMove( |
| Location::FpuRegisterLocation(2), |
| Location::FpuRegisterLocation(4), |
| DataType::Type::kFloat32, |
| nullptr); |
| const char* expected = |
| "mov.s $f6, $f2\n" |
| "mov.s $f2, $f4\n" |
| "mov.s $f4, $f6\n"; |
| DriverWrapper(moves_, expected, "TwoFpuRegistersFloat"); |
| } |
| |
| TEST_F(EmitSwapMipsTest, TwoFpuRegistersDouble) { |
| moves_->AddMove( |
| Location::FpuRegisterLocation(4), |
| Location::FpuRegisterLocation(2), |
| DataType::Type::kFloat64, |
| nullptr); |
| moves_->AddMove( |
| Location::FpuRegisterLocation(2), |
| Location::FpuRegisterLocation(4), |
| DataType::Type::kFloat64, |
| nullptr); |
| const char* expected = |
| "mov.d $f6, $f2\n" |
| "mov.d $f2, $f4\n" |
| "mov.d $f4, $f6\n"; |
| DriverWrapper(moves_, expected, "TwoFpuRegistersDouble"); |
| } |
| |
| TEST_F(EmitSwapMipsTest, RegisterAndFpuRegister) { |
| moves_->AddMove( |
| Location::RegisterLocation(4), |
| Location::FpuRegisterLocation(2), |
| DataType::Type::kFloat32, |
| nullptr); |
| moves_->AddMove( |
| Location::FpuRegisterLocation(2), |
| Location::RegisterLocation(4), |
| DataType::Type::kFloat32, |
| nullptr); |
| const char* expected = |
| "or $t8, $a0, $zero\n" |
| "mfc1 $a0, $f2\n" |
| "mtc1 $t8, $f2\n"; |
| DriverWrapper(moves_, expected, "RegisterAndFpuRegister"); |
| } |
| |
| TEST_F(EmitSwapMipsTest, RegisterPairAndFpuRegister) { |
| moves_->AddMove( |
| Location::RegisterPairLocation(4, 5), |
| Location::FpuRegisterLocation(4), |
| DataType::Type::kFloat64, |
| nullptr); |
| moves_->AddMove( |
| Location::FpuRegisterLocation(4), |
| Location::RegisterPairLocation(4, 5), |
| DataType::Type::kFloat64, |
| nullptr); |
| const char* expected = |
| "mfc1 $t8, $f4\n" |
| "mfc1 $at, $f5\n" |
| "mtc1 $a0, $f4\n" |
| "mtc1 $a1, $f5\n" |
| "or $a0, $t8, $zero\n" |
| "or $a1, $at, $zero\n"; |
| DriverWrapper(moves_, expected, "RegisterPairAndFpuRegister"); |
| } |
| |
| TEST_F(EmitSwapMipsTest, TwoStackSlots) { |
| moves_->AddMove( |
| Location::StackSlot(52), |
| Location::StackSlot(48), |
| DataType::Type::kInt32, |
| nullptr); |
| moves_->AddMove( |
| Location::StackSlot(48), |
| Location::StackSlot(52), |
| DataType::Type::kInt32, |
| nullptr); |
| const char* expected = |
| "addiu $sp, $sp, -16\n" |
| "sw $v0, 0($sp)\n" |
| "lw $v0, 68($sp)\n" |
| "lw $t8, 64($sp)\n" |
| "sw $v0, 64($sp)\n" |
| "sw $t8, 68($sp)\n" |
| "lw $v0, 0($sp)\n" |
| "addiu $sp, $sp, 16\n"; |
| DriverWrapper(moves_, expected, "TwoStackSlots"); |
| } |
| |
| TEST_F(EmitSwapMipsTest, TwoDoubleStackSlots) { |
| moves_->AddMove( |
| Location::DoubleStackSlot(56), |
| Location::DoubleStackSlot(48), |
| DataType::Type::kInt64, |
| nullptr); |
| moves_->AddMove( |
| Location::DoubleStackSlot(48), |
| Location::DoubleStackSlot(56), |
| DataType::Type::kInt64, |
| nullptr); |
| const char* expected = |
| "addiu $sp, $sp, -16\n" |
| "sw $v0, 0($sp)\n" |
| "lw $v0, 72($sp)\n" |
| "lw $t8, 64($sp)\n" |
| "sw $v0, 64($sp)\n" |
| "sw $t8, 72($sp)\n" |
| "lw $v0, 76($sp)\n" |
| "lw $t8, 68($sp)\n" |
| "sw $v0, 68($sp)\n" |
| "sw $t8, 76($sp)\n" |
| "lw $v0, 0($sp)\n" |
| "addiu $sp, $sp, 16\n"; |
| DriverWrapper(moves_, expected, "TwoDoubleStackSlots"); |
| } |
| |
| TEST_F(EmitSwapMipsTest, RegisterAndStackSlot) { |
| moves_->AddMove( |
| Location::RegisterLocation(4), |
| Location::StackSlot(48), |
| DataType::Type::kInt32, |
| nullptr); |
| moves_->AddMove( |
| Location::StackSlot(48), |
| Location::RegisterLocation(4), |
| DataType::Type::kInt32, |
| nullptr); |
| const char* expected = |
| "or $t8, $a0, $zero\n" |
| "lw $a0, 48($sp)\n" |
| "sw $t8, 48($sp)\n"; |
| DriverWrapper(moves_, expected, "RegisterAndStackSlot"); |
| } |
| |
| TEST_F(EmitSwapMipsTest, RegisterPairAndDoubleStackSlot) { |
| moves_->AddMove( |
| Location::RegisterPairLocation(4, 5), |
| Location::DoubleStackSlot(32), |
| DataType::Type::kInt64, |
| nullptr); |
| moves_->AddMove( |
| Location::DoubleStackSlot(32), |
| Location::RegisterPairLocation(4, 5), |
| DataType::Type::kInt64, |
| nullptr); |
| const char* expected = |
| "or $t8, $a0, $zero\n" |
| "lw $a0, 32($sp)\n" |
| "sw $t8, 32($sp)\n" |
| "or $t8, $a1, $zero\n" |
| "lw $a1, 36($sp)\n" |
| "sw $t8, 36($sp)\n"; |
| DriverWrapper(moves_, expected, "RegisterPairAndDoubleStackSlot"); |
| } |
| |
| TEST_F(EmitSwapMipsTest, FpuRegisterAndStackSlot) { |
| moves_->AddMove( |
| Location::FpuRegisterLocation(4), |
| Location::StackSlot(48), |
| DataType::Type::kFloat32, |
| nullptr); |
| moves_->AddMove( |
| Location::StackSlot(48), |
| Location::FpuRegisterLocation(4), |
| DataType::Type::kFloat32, |
| nullptr); |
| const char* expected = |
| "mov.s $f6, $f4\n" |
| "lwc1 $f4, 48($sp)\n" |
| "swc1 $f6, 48($sp)\n"; |
| DriverWrapper(moves_, expected, "FpuRegisterAndStackSlot"); |
| } |
| |
| TEST_F(EmitSwapMipsTest, FpuRegisterAndDoubleStackSlot) { |
| moves_->AddMove( |
| Location::FpuRegisterLocation(4), |
| Location::DoubleStackSlot(48), |
| DataType::Type::kFloat64, |
| nullptr); |
| moves_->AddMove( |
| Location::DoubleStackSlot(48), |
| Location::FpuRegisterLocation(4), |
| DataType::Type::kFloat64, |
| nullptr); |
| const char* expected = |
| "mov.d $f6, $f4\n" |
| "ldc1 $f4, 48($sp)\n" |
| "sdc1 $f6, 48($sp)\n"; |
| DriverWrapper(moves_, expected, "FpuRegisterAndDoubleStackSlot"); |
| } |
| |
| } // namespace art |
