cpu_detect: Add missing `lzcnt` detection

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