diff options
Diffstat (limited to 'src/common/x64/cpu_detect.cpp')
-rw-r--r-- | src/common/x64/cpu_detect.cpp | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/src/common/x64/cpu_detect.cpp b/src/common/x64/cpu_detect.cpp index 2dfcd39c8..c9349a6b4 100644 --- a/src/common/x64/cpu_detect.cpp +++ b/src/common/x64/cpu_detect.cpp @@ -3,8 +3,6 @@ // Refer to the license.txt file included. #include <cstring> -#include <string> -#include <thread> #include "common/common_types.h" #include "common/x64/cpu_detect.h" @@ -51,8 +49,6 @@ namespace Common { static CPUCaps Detect() { CPUCaps caps = {}; - caps.num_cores = std::thread::hardware_concurrency(); - // Assumes the CPU supports the CPUID instruction. Those that don't would likely not support // yuzu at all anyway @@ -70,12 +66,6 @@ static CPUCaps Detect() { __cpuid(cpu_id, 0x80000000); u32 max_ex_fn = cpu_id[0]; - if (!strcmp(caps.brand_string, "GenuineIntel")) - caps.vendor = CPUVendor::INTEL; - else if (!strcmp(caps.brand_string, "AuthenticAMD")) - caps.vendor = CPUVendor::AMD; - else - caps.vendor = CPUVendor::OTHER; // Set reasonable default brand string even if brand string not available strcpy(caps.cpu_string, caps.brand_string); @@ -96,15 +86,9 @@ static CPUCaps Detect() { caps.sse4_1 = true; if ((cpu_id[2] >> 20) & 1) caps.sse4_2 = true; - if ((cpu_id[2] >> 22) & 1) - caps.movbe = true; if ((cpu_id[2] >> 25) & 1) caps.aes = true; - if ((cpu_id[3] >> 24) & 1) { - caps.fxsave_fxrstor = true; - } - // AVX support requires 3 separate checks: // - Is the AVX bit set in CPUID? // - Is the XSAVE bit set in CPUID? @@ -129,8 +113,6 @@ static CPUCaps Detect() { } } - caps.flush_to_zero = caps.sse; - if (max_ex_fn >= 0x80000004) { // Extract CPU model string __cpuid(cpu_id, 0x80000002); @@ -144,14 +126,8 @@ static CPUCaps Detect() { if (max_ex_fn >= 0x80000001) { // Check for more features __cpuid(cpu_id, 0x80000001); - if (cpu_id[2] & 1) - caps.lahf_sahf_64 = true; - if ((cpu_id[2] >> 5) & 1) - caps.lzcnt = true; if ((cpu_id[2] >> 16) & 1) caps.fma4 = true; - if ((cpu_id[3] >> 29) & 1) - caps.long_mode = true; } return caps; @@ -162,48 +138,4 @@ const CPUCaps& GetCPUCaps() { return caps; } -std::string GetCPUCapsString() { - auto caps = GetCPUCaps(); - - std::string sum(caps.cpu_string); - sum += " ("; - sum += caps.brand_string; - sum += ")"; - - if (caps.sse) - sum += ", SSE"; - if (caps.sse2) { - sum += ", SSE2"; - if (!caps.flush_to_zero) - sum += " (without DAZ)"; - } - - if (caps.sse3) - sum += ", SSE3"; - if (caps.ssse3) - sum += ", SSSE3"; - if (caps.sse4_1) - sum += ", SSE4.1"; - if (caps.sse4_2) - sum += ", SSE4.2"; - if (caps.avx) - sum += ", AVX"; - if (caps.avx2) - sum += ", AVX2"; - if (caps.bmi1) - sum += ", BMI1"; - if (caps.bmi2) - sum += ", BMI2"; - if (caps.fma) - sum += ", FMA"; - if (caps.aes) - sum += ", AES"; - if (caps.movbe) - sum += ", MOVBE"; - if (caps.long_mode) - sum += ", 64-bit support"; - - return sum; -} - } // namespace Common |