128 lines
6.5 KiB
C++
128 lines
6.5 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "instruction_set_features_arm.h"
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#include "gtest/gtest.h"
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namespace art {
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TEST(ArmInstructionSetFeaturesTest, ArmFeaturesFromVariant) {
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// Build features for a 32-bit ARM krait processor.
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std::string error_msg;
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std::unique_ptr<const InstructionSetFeatures> krait_features(
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InstructionSetFeatures::FromVariant(InstructionSet::kArm, "krait", &error_msg));
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ASSERT_TRUE(krait_features.get() != nullptr) << error_msg;
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ASSERT_EQ(krait_features->GetInstructionSet(), InstructionSet::kArm);
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EXPECT_TRUE(krait_features->Equals(krait_features.get()));
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EXPECT_TRUE(krait_features->AsArmInstructionSetFeatures()->HasDivideInstruction());
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EXPECT_TRUE(krait_features->AsArmInstructionSetFeatures()->HasAtomicLdrdAndStrd());
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EXPECT_STREQ("div,atomic_ldrd_strd,-armv8a", krait_features->GetFeatureString().c_str());
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EXPECT_EQ(krait_features->AsBitmap(), 3U);
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// Build features for a 32-bit ARM kryo processor.
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std::unique_ptr<const InstructionSetFeatures> kryo_features(
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InstructionSetFeatures::FromVariant(InstructionSet::kArm, "kryo", &error_msg));
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ASSERT_TRUE(kryo_features.get() != nullptr) << error_msg;
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ASSERT_EQ(kryo_features->GetInstructionSet(), InstructionSet::kArm);
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EXPECT_TRUE(kryo_features->Equals(kryo_features.get()));
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EXPECT_TRUE(kryo_features->AsArmInstructionSetFeatures()->HasDivideInstruction());
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EXPECT_TRUE(kryo_features->AsArmInstructionSetFeatures()->HasAtomicLdrdAndStrd());
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EXPECT_STREQ("div,atomic_ldrd_strd,armv8a", kryo_features->GetFeatureString().c_str());
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EXPECT_EQ(kryo_features->AsBitmap(), 7U);
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// Build features for a 32-bit ARMv7 processor.
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std::unique_ptr<const InstructionSetFeatures> generic_features(
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InstructionSetFeatures::FromVariant(InstructionSet::kArm, "generic", &error_msg));
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ASSERT_TRUE(generic_features.get() != nullptr) << error_msg;
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EXPECT_TRUE(generic_features->Equals(generic_features.get()));
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EXPECT_FALSE(generic_features->Equals(krait_features.get()));
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EXPECT_FALSE(krait_features->Equals(generic_features.get()));
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EXPECT_FALSE(generic_features->AsArmInstructionSetFeatures()->HasDivideInstruction());
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EXPECT_FALSE(generic_features->AsArmInstructionSetFeatures()->HasAtomicLdrdAndStrd());
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EXPECT_STREQ("-div,-atomic_ldrd_strd,-armv8a", generic_features->GetFeatureString().c_str());
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EXPECT_EQ(generic_features->AsBitmap(), 0U);
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// ARM6 is not a supported architecture variant.
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std::unique_ptr<const InstructionSetFeatures> arm6_features(
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InstructionSetFeatures::FromVariant(InstructionSet::kArm, "arm6", &error_msg));
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EXPECT_TRUE(arm6_features.get() == nullptr);
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EXPECT_NE(error_msg.size(), 0U);
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}
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TEST(ArmInstructionSetFeaturesTest, ArmAddFeaturesFromString) {
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std::string error_msg;
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std::unique_ptr<const InstructionSetFeatures> base_features(
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InstructionSetFeatures::FromVariant(InstructionSet::kArm, "generic", &error_msg));
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ASSERT_TRUE(base_features.get() != nullptr) << error_msg;
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// Build features for a 32-bit ARM with LPAE and div processor.
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std::unique_ptr<const InstructionSetFeatures> krait_features(
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base_features->AddFeaturesFromString("atomic_ldrd_strd,div", &error_msg));
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ASSERT_TRUE(krait_features.get() != nullptr) << error_msg;
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ASSERT_EQ(krait_features->GetInstructionSet(), InstructionSet::kArm);
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EXPECT_TRUE(krait_features->Equals(krait_features.get()));
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EXPECT_TRUE(krait_features->AsArmInstructionSetFeatures()->HasDivideInstruction());
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EXPECT_TRUE(krait_features->AsArmInstructionSetFeatures()->HasAtomicLdrdAndStrd());
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EXPECT_STREQ("div,atomic_ldrd_strd,-armv8a", krait_features->GetFeatureString().c_str());
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EXPECT_EQ(krait_features->AsBitmap(), 3U);
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// Build features for a 32-bit ARM with LPAE and div processor.
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std::unique_ptr<const InstructionSetFeatures> kryo_features(
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base_features->AddFeaturesFromString("atomic_ldrd_strd,div", &error_msg));
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ASSERT_TRUE(kryo_features.get() != nullptr) << error_msg;
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ASSERT_EQ(kryo_features->GetInstructionSet(), InstructionSet::kArm);
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EXPECT_TRUE(kryo_features->Equals(krait_features.get()));
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EXPECT_TRUE(kryo_features->AsArmInstructionSetFeatures()->HasDivideInstruction());
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EXPECT_TRUE(kryo_features->AsArmInstructionSetFeatures()->HasAtomicLdrdAndStrd());
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EXPECT_STREQ("div,atomic_ldrd_strd,-armv8a", kryo_features->GetFeatureString().c_str());
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EXPECT_EQ(kryo_features->AsBitmap(), 3U);
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// Build features for a 32-bit ARM processor with LPAE and div flipped.
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std::unique_ptr<const InstructionSetFeatures> denver_features(
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base_features->AddFeaturesFromString("div,atomic_ldrd_strd,armv8a", &error_msg));
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ASSERT_TRUE(denver_features.get() != nullptr) << error_msg;
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EXPECT_TRUE(denver_features->Equals(denver_features.get()));
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EXPECT_FALSE(denver_features->Equals(krait_features.get()));
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EXPECT_TRUE(denver_features->HasAtLeast(krait_features.get()));
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EXPECT_FALSE(krait_features->Equals(denver_features.get()));
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EXPECT_TRUE(denver_features->AsArmInstructionSetFeatures()->HasDivideInstruction());
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EXPECT_TRUE(denver_features->AsArmInstructionSetFeatures()->HasAtomicLdrdAndStrd());
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EXPECT_STREQ("div,atomic_ldrd_strd,armv8a", denver_features->GetFeatureString().c_str());
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EXPECT_EQ(denver_features->AsBitmap(), 7U);
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// Build features for a 32-bit default ARM processor.
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std::unique_ptr<const InstructionSetFeatures> generic_features(
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base_features->AddFeaturesFromString("default", &error_msg));
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ASSERT_TRUE(generic_features.get() != nullptr) << error_msg;
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EXPECT_TRUE(generic_features->Equals(generic_features.get()));
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EXPECT_FALSE(generic_features->Equals(krait_features.get()));
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EXPECT_FALSE(krait_features->Equals(generic_features.get()));
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EXPECT_FALSE(generic_features->AsArmInstructionSetFeatures()->HasDivideInstruction());
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EXPECT_FALSE(generic_features->AsArmInstructionSetFeatures()->HasAtomicLdrdAndStrd());
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EXPECT_STREQ("-div,-atomic_ldrd_strd,-armv8a", generic_features->GetFeatureString().c_str());
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EXPECT_EQ(generic_features->AsBitmap(), 0U);
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}
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} // namespace art
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