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      1 /*
      2  *  Copyright 2012 The LibYuv Project Authors. All rights reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS. All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #include <stdlib.h>
     12 #include <string.h>
     13 
     14 #include "../unit_test/unit_test.h"
     15 #include "libyuv/basic_types.h"
     16 #include "libyuv/cpu_id.h"
     17 #include "libyuv/version.h"
     18 
     19 namespace libyuv {
     20 
     21 TEST_F(LibYUVBaseTest, TestCpuHas) {
     22   int cpu_flags = TestCpuFlag(-1);
     23   printf("Cpu Flags %x\n", cpu_flags);
     24   int has_arm = TestCpuFlag(kCpuHasARM);
     25   printf("Has ARM %x\n", has_arm);
     26   int has_neon = TestCpuFlag(kCpuHasNEON);
     27   printf("Has NEON %x\n", has_neon);
     28   int has_x86 = TestCpuFlag(kCpuHasX86);
     29   printf("Has X86 %x\n", has_x86);
     30   int has_sse2 = TestCpuFlag(kCpuHasSSE2);
     31   printf("Has SSE2 %x\n", has_sse2);
     32   int has_ssse3 = TestCpuFlag(kCpuHasSSSE3);
     33   printf("Has SSSE3 %x\n", has_ssse3);
     34   int has_sse41 = TestCpuFlag(kCpuHasSSE41);
     35   printf("Has SSE4.1 %x\n", has_sse41);
     36   int has_sse42 = TestCpuFlag(kCpuHasSSE42);
     37   printf("Has SSE4.2 %x\n", has_sse42);
     38   int has_avx = TestCpuFlag(kCpuHasAVX);
     39   printf("Has AVX %x\n", has_avx);
     40   int has_avx2 = TestCpuFlag(kCpuHasAVX2);
     41   printf("Has AVX2 %x\n", has_avx2);
     42   int has_erms = TestCpuFlag(kCpuHasERMS);
     43   printf("Has ERMS %x\n", has_erms);
     44   int has_fma3 = TestCpuFlag(kCpuHasFMA3);
     45   printf("Has FMA3 %x\n", has_fma3);
     46   int has_avx3 = TestCpuFlag(kCpuHasAVX3);
     47   printf("Has AVX3 %x\n", has_avx3);
     48   int has_f16c = TestCpuFlag(kCpuHasF16C);
     49   printf("Has F16C %x\n", has_f16c);
     50   int has_mips = TestCpuFlag(kCpuHasMIPS);
     51   printf("Has MIPS %x\n", has_mips);
     52   int has_dspr2 = TestCpuFlag(kCpuHasDSPR2);
     53   printf("Has DSPR2 %x\n", has_dspr2);
     54   int has_msa = TestCpuFlag(kCpuHasMSA);
     55   printf("Has MSA %x\n", has_msa);
     56 }
     57 
     58 TEST_F(LibYUVBaseTest, TestCpuCompilerEnabled) {
     59 #if defined(__aarch64__)
     60   printf("Arm64 build\n");
     61 #endif
     62 #if defined(__aarch64__) || defined(__ARM_NEON__) || defined(LIBYUV_NEON)
     63   printf("Neon build enabled\n");
     64 #endif
     65 #if defined(__x86_64__) || defined(_M_X64)
     66   printf("x64 build\n");
     67 #endif
     68 #ifdef _MSC_VER
     69   printf("_MSC_VER %d\n", _MSC_VER);
     70 #endif
     71 #if !defined(LIBYUV_DISABLE_X86) &&                      \
     72     (defined(GCC_HAS_AVX2) || defined(CLANG_HAS_AVX2) || \
     73      defined(VISUALC_HAS_AVX2))
     74   printf("Has AVX2 1\n");
     75 #else
     76   printf("Has AVX2 0\n");
     77 // If compiler does not support AVX2, the following function not expected:
     78 #endif
     79 }
     80 
     81 #if defined(__i386__) || defined(__x86_64__) || defined(_M_IX86) || \
     82     defined(_M_X64)
     83 TEST_F(LibYUVBaseTest, TestCpuId) {
     84   int has_x86 = TestCpuFlag(kCpuHasX86);
     85   if (has_x86) {
     86     uint32 cpu_info[4];
     87     // Vendor ID:
     88     // AuthenticAMD AMD processor
     89     // CentaurHauls Centaur processor
     90     // CyrixInstead Cyrix processor
     91     // GenuineIntel Intel processor
     92     // GenuineTMx86 Transmeta processor
     93     // Geode by NSC National Semiconductor processor
     94     // NexGenDriven NexGen processor
     95     // RiseRiseRise Rise Technology processor
     96     // SiS SiS SiS  SiS processor
     97     // UMC UMC UMC  UMC processor
     98     CpuId(0, 0, cpu_info);
     99     cpu_info[0] = cpu_info[1];  // Reorder output
    100     cpu_info[1] = cpu_info[3];
    101     cpu_info[3] = 0;
    102     printf("Cpu Vendor: %s %x %x %x\n", reinterpret_cast<char*>(&cpu_info[0]),
    103            cpu_info[0], cpu_info[1], cpu_info[2]);
    104     EXPECT_EQ(12u, strlen(reinterpret_cast<char*>(&cpu_info[0])));
    105 
    106     // CPU Family and Model
    107     // 3:0 - Stepping
    108     // 7:4 - Model
    109     // 11:8 - Family
    110     // 13:12 - Processor Type
    111     // 19:16 - Extended Model
    112     // 27:20 - Extended Family
    113     CpuId(1, 0, cpu_info);
    114     int family = ((cpu_info[0] >> 8) & 0x0f) | ((cpu_info[0] >> 16) & 0xff0);
    115     int model = ((cpu_info[0] >> 4) & 0x0f) | ((cpu_info[0] >> 12) & 0xf0);
    116     printf("Cpu Family %d (0x%x), Model %d (0x%x)\n", family, family, model,
    117            model);
    118   }
    119 }
    120 #endif
    121 
    122 static int FileExists(const char* file_name) {
    123   FILE* f = fopen(file_name, "r");
    124   if (!f) {
    125     return 0;
    126   }
    127   fclose(f);
    128   return 1;
    129 }
    130 
    131 TEST_F(LibYUVBaseTest, TestLinuxNeon) {
    132   if (FileExists("../../unit_test/testdata/arm_v7.txt")) {
    133     EXPECT_EQ(0, ArmCpuCaps("../../unit_test/testdata/arm_v7.txt"));
    134     EXPECT_EQ(kCpuHasNEON, ArmCpuCaps("../../unit_test/testdata/tegra3.txt"));
    135     EXPECT_EQ(kCpuHasNEON, ArmCpuCaps("../../unit_test/testdata/juno.txt"));
    136   } else {
    137     printf("WARNING: unable to load \"../../unit_test/testdata/arm_v7.txt\"\n");
    138   }
    139 #if defined(__linux__) && defined(__ARM_NEON__)
    140   EXPECT_EQ(kCpuHasNEON, ArmCpuCaps("/proc/cpuinfo"));
    141 #endif
    142 }
    143 
    144 }  // namespace libyuv
    145