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Ifdef away the detection on non-Windows for now.

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The Dax 2013-10-17 19:16:18 -04:00
parent 0400a61d51
commit 2e58f04fee
1 changed files with 6 additions and 1 deletions
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7
Common/CPUDetect.cpp
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@ -192,6 +192,8 @@ void CPUInfo::Detect()
int apic_id_core_id_size = (cpu_id[2] >> 12) & 0xF;
if (apic_id_core_id_size == 0) {
if (ht) {
#ifdef _WIN32
// TODO: Make this work on non-Windows.
// 0x0B is the preferred method on i7(i5, i3, too? Unsure..).
// Inspired by https://github.com/D-Programming-Language/druntime/blob/master/src/core/cpuid.d#L562.
if (vendor == VENDOR_INTEL && max_std_fn >= 0x0B) {
@ -201,8 +203,11 @@ void CPUInfo::Detect()
int totalThreads = cpu_id[1] & 0xFFFF;
num_cores = totalThreads / logical_cpu_count;
}
// New mechanism for modern Intel CPUs.
else if (vendor == VENDOR_INTEL) {
#else
// New mechanism for modern Intel CPUs.
if (vendor == VENDOR_INTEL) {
#endif
__cpuid(cpu_id, 0x00000004);
int cores_x_package = ((cpu_id[0] >> 26) & 0x3F) + 1;
HTT = (cores_x_package < logical_cpu_count);