Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "src/base/cpu.h" |
| 6 | #include "testing/gtest/include/gtest/gtest.h" |
| 7 | |
| 8 | namespace v8 { |
| 9 | namespace base { |
| 10 | |
| 11 | TEST(CPUTest, FeatureImplications) { |
| 12 | CPU cpu; |
| 13 | |
| 14 | // ia32 and x64 features |
| 15 | EXPECT_TRUE(!cpu.has_sse() || cpu.has_mmx()); |
| 16 | EXPECT_TRUE(!cpu.has_sse2() || cpu.has_sse()); |
| 17 | EXPECT_TRUE(!cpu.has_sse3() || cpu.has_sse2()); |
| 18 | EXPECT_TRUE(!cpu.has_ssse3() || cpu.has_sse3()); |
| 19 | EXPECT_TRUE(!cpu.has_sse41() || cpu.has_sse3()); |
| 20 | EXPECT_TRUE(!cpu.has_sse42() || cpu.has_sse41()); |
| 21 | |
| 22 | // arm features |
| 23 | EXPECT_TRUE(!cpu.has_vfp3_d32() || cpu.has_vfp3()); |
| 24 | } |
| 25 | |
| 26 | |
| 27 | TEST(CPUTest, RequiredFeatures) { |
| 28 | CPU cpu; |
| 29 | |
| 30 | #if V8_HOST_ARCH_ARM |
| 31 | EXPECT_TRUE(cpu.has_fpu()); |
| 32 | #endif |
| 33 | |
| 34 | #if V8_HOST_ARCH_IA32 |
| 35 | EXPECT_TRUE(cpu.has_fpu()); |
| 36 | EXPECT_TRUE(cpu.has_sahf()); |
| 37 | #endif |
| 38 | |
| 39 | #if V8_HOST_ARCH_X64 |
| 40 | EXPECT_TRUE(cpu.has_fpu()); |
| 41 | EXPECT_TRUE(cpu.has_cmov()); |
| 42 | EXPECT_TRUE(cpu.has_mmx()); |
| 43 | EXPECT_TRUE(cpu.has_sse()); |
| 44 | EXPECT_TRUE(cpu.has_sse2()); |
| 45 | #endif |
| 46 | } |
| 47 | |
| 48 | } // namespace base |
| 49 | } // namespace v8 |