x64: Add detection of monitorx instructions

monitorx introduces 2 instructions: MONITORX and MWAITX.
2023-06-28 01:07:10 -04:00 · 2023-06-28 01:07:10 -04:00 · 841a3559a5
commit 841a3559a5
parent c64b5c642f
3 changed files with 3 additions and 0 deletions
--- a/src/common/x64/cpu_detect.cpp
+++ b/src/common/x64/cpu_detect.cpp
@ -168,6 +168,7 @@ static CPUCaps Detect() {
        __cpuid(cpu_id, 0x80000001);
        caps.lzcnt = Common::Bit<5>(cpu_id[2]);
        caps.fma4 = Common::Bit<16>(cpu_id[2]);
+        caps.monitorx = Common::Bit<29>(cpu_id[2]);
    }

    if (max_ex_fn >= 0x80000007) {