diff options
Diffstat (limited to 'Source/Core/Common/Src/CPUDetect.cpp')
| -rw-r--r-- | Source/Core/Common/Src/CPUDetect.cpp | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/Source/Core/Common/Src/CPUDetect.cpp b/Source/Core/Common/Src/CPUDetect.cpp index 195ffba249..690875ec60 100644 --- a/Source/Core/Common/Src/CPUDetect.cpp +++ b/Source/Core/Common/Src/CPUDetect.cpp @@ -138,10 +138,8 @@ void CPUInfo::Detect() if (max_std_fn >= 1) { __cpuid(cpu_id, 0x00000001); logical_cpu_count = (cpu_id[1] >> 16) & 0xFF; - if ((cpu_id[3] >> 28) & 1) { - // wtf, we get here on my core 2 - HTT = true; - } + // HTT is valid for intel processors only. + HTT = ((cpu_id[3] >> 28) & 1) && vendor == VENDOR_INTEL; if ((cpu_id[3] >> 25) & 1) bSSE = true; if ((cpu_id[3] >> 26) & 1) bSSE2 = true; if ((cpu_id[2]) & 1) bSSE3 = true; @@ -175,7 +173,7 @@ void CPUInfo::Detect() if (apic_id_core_id_size == 0) { // New mechanism for modern CPUs. num_cores = logical_cpu_count; - if (HTT && vendor == VENDOR_INTEL) { + if (HTT) { __cpuid(cpu_id, 0x00000004); int cores_x_package = ((cpu_id[0] >> 26) & 0x3F) + 1; cores_x_package = ((logical_cpu_count % cores_x_package) == 0) ? cores_x_package : 1; @@ -202,7 +200,7 @@ std::string CPUInfo::Summarize() else { sum = StringFromFormat("%s, %i cores", cpu_string, num_cores); - if (HTT && vendor == VENDOR_INTEL) sum += StringFromFormat(" (%i logical IDs per physical core)", logical_cpu_count); + if (HTT) sum += StringFromFormat(" (%i logical IDs per physical core)", logical_cpu_count); } if (bSSE) sum += ", SSE"; if (bSSE2) sum += ", SSE2"; |