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Code Issues Releases Wiki Activity

cpu_detect: Add missing `lzcnt` detection

merge-requests/60/head
Wunkolo 2022-02-23 20:28:25 +07:00
parent ec5f3351b6
commit 873a9fa7e5
1 changed files with 1 additions and 0 deletions
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src/common/x64/cpu_detect.cpp
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@ -138,6 +138,7 @@ static CPUCaps Detect() {
if (max_ex_fn >= 0x80000001) { if (max_ex_fn >= 0x80000001) {
// Check for more features // Check for more features
__cpuid(cpu_id, 0x80000001); __cpuid(cpu_id, 0x80000001);
caps.lzcnt = Common::Bit<5>(cpu_id[2]);
caps.fma4 = Common::Bit<16>(cpu_id[2]); caps.fma4 = Common::Bit<16>(cpu_id[2]);
} }