1 /*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "instruction_set_features_x86.h"
18
19 #include <gtest/gtest.h>
20
21 namespace art {
22
TEST(X86InstructionSetFeaturesTest,X86FeaturesFromDefaultVariant)23 TEST(X86InstructionSetFeaturesTest, X86FeaturesFromDefaultVariant) {
24 std::string error_msg;
25 std::unique_ptr<const InstructionSetFeatures> x86_features(
26 InstructionSetFeatures::FromVariant(kX86, "default", &error_msg));
27 ASSERT_TRUE(x86_features.get() != nullptr) << error_msg;
28 EXPECT_EQ(x86_features->GetInstructionSet(), kX86);
29 EXPECT_TRUE(x86_features->Equals(x86_features.get()));
30 EXPECT_STREQ("smp,-ssse3,-sse4.1,-sse4.2,-avx,-avx2", x86_features->GetFeatureString().c_str());
31 EXPECT_EQ(x86_features->AsBitmap(), 1U);
32 }
33
TEST(X86InstructionSetFeaturesTest,X86FeaturesFromAtomVariant)34 TEST(X86InstructionSetFeaturesTest, X86FeaturesFromAtomVariant) {
35 // Build features for a 32-bit x86 atom processor.
36 std::string error_msg;
37 std::unique_ptr<const InstructionSetFeatures> x86_features(
38 InstructionSetFeatures::FromVariant(kX86, "atom", &error_msg));
39 ASSERT_TRUE(x86_features.get() != nullptr) << error_msg;
40 EXPECT_EQ(x86_features->GetInstructionSet(), kX86);
41 EXPECT_TRUE(x86_features->Equals(x86_features.get()));
42 EXPECT_STREQ("smp,ssse3,-sse4.1,-sse4.2,-avx,-avx2", x86_features->GetFeatureString().c_str());
43 EXPECT_EQ(x86_features->AsBitmap(), 3U);
44
45 // Build features for a 32-bit x86 default processor.
46 std::unique_ptr<const InstructionSetFeatures> x86_default_features(
47 InstructionSetFeatures::FromVariant(kX86, "default", &error_msg));
48 ASSERT_TRUE(x86_default_features.get() != nullptr) << error_msg;
49 EXPECT_EQ(x86_default_features->GetInstructionSet(), kX86);
50 EXPECT_TRUE(x86_default_features->Equals(x86_default_features.get()));
51 EXPECT_STREQ("smp,-ssse3,-sse4.1,-sse4.2,-avx,-avx2",
52 x86_default_features->GetFeatureString().c_str());
53 EXPECT_EQ(x86_default_features->AsBitmap(), 1U);
54
55 // Build features for a 64-bit x86-64 atom processor.
56 std::unique_ptr<const InstructionSetFeatures> x86_64_features(
57 InstructionSetFeatures::FromVariant(kX86_64, "atom", &error_msg));
58 ASSERT_TRUE(x86_64_features.get() != nullptr) << error_msg;
59 EXPECT_EQ(x86_64_features->GetInstructionSet(), kX86_64);
60 EXPECT_TRUE(x86_64_features->Equals(x86_64_features.get()));
61 EXPECT_STREQ("smp,ssse3,-sse4.1,-sse4.2,-avx,-avx2",
62 x86_64_features->GetFeatureString().c_str());
63 EXPECT_EQ(x86_64_features->AsBitmap(), 3U);
64
65 EXPECT_FALSE(x86_64_features->Equals(x86_features.get()));
66 EXPECT_FALSE(x86_64_features->Equals(x86_default_features.get()));
67 EXPECT_FALSE(x86_features->Equals(x86_default_features.get()));
68 }
69
TEST(X86InstructionSetFeaturesTest,X86FeaturesFromSilvermontVariant)70 TEST(X86InstructionSetFeaturesTest, X86FeaturesFromSilvermontVariant) {
71 // Build features for a 32-bit x86 silvermont processor.
72 std::string error_msg;
73 std::unique_ptr<const InstructionSetFeatures> x86_features(
74 InstructionSetFeatures::FromVariant(kX86, "silvermont", &error_msg));
75 ASSERT_TRUE(x86_features.get() != nullptr) << error_msg;
76 EXPECT_EQ(x86_features->GetInstructionSet(), kX86);
77 EXPECT_TRUE(x86_features->Equals(x86_features.get()));
78 EXPECT_STREQ("smp,ssse3,sse4.1,sse4.2,-avx,-avx2", x86_features->GetFeatureString().c_str());
79 EXPECT_EQ(x86_features->AsBitmap(), 15U);
80
81 // Build features for a 32-bit x86 default processor.
82 std::unique_ptr<const InstructionSetFeatures> x86_default_features(
83 InstructionSetFeatures::FromVariant(kX86, "default", &error_msg));
84 ASSERT_TRUE(x86_default_features.get() != nullptr) << error_msg;
85 EXPECT_EQ(x86_default_features->GetInstructionSet(), kX86);
86 EXPECT_TRUE(x86_default_features->Equals(x86_default_features.get()));
87 EXPECT_STREQ("smp,-ssse3,-sse4.1,-sse4.2,-avx,-avx2",
88 x86_default_features->GetFeatureString().c_str());
89 EXPECT_EQ(x86_default_features->AsBitmap(), 1U);
90
91 // Build features for a 64-bit x86-64 silvermont processor.
92 std::unique_ptr<const InstructionSetFeatures> x86_64_features(
93 InstructionSetFeatures::FromVariant(kX86_64, "silvermont", &error_msg));
94 ASSERT_TRUE(x86_64_features.get() != nullptr) << error_msg;
95 EXPECT_EQ(x86_64_features->GetInstructionSet(), kX86_64);
96 EXPECT_TRUE(x86_64_features->Equals(x86_64_features.get()));
97 EXPECT_STREQ("smp,ssse3,sse4.1,sse4.2,-avx,-avx2",
98 x86_64_features->GetFeatureString().c_str());
99 EXPECT_EQ(x86_64_features->AsBitmap(), 15U);
100
101 EXPECT_FALSE(x86_64_features->Equals(x86_features.get()));
102 EXPECT_FALSE(x86_64_features->Equals(x86_default_features.get()));
103 EXPECT_FALSE(x86_features->Equals(x86_default_features.get()));
104 }
105
106 } // namespace art
107