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Code Issues Releases Wiki Activity

x64: Add detection of monitorx instructions

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monitorx introduces 2 instructions: MONITORX and MWAITX.
This commit is contained in:
Morph
2023-06-28 01:07:10 -04:00
parent 0fe44071f8
commit 4303ed614d
3 changed files with 3 additions and 0 deletions
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1
src/common/telemetry.cpp
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@@ -93,6 +93,7 @@ void AppendCPUInfo(FieldCollection& fc) {
add_field("CPU_Extension_x64_GFNI", caps.gfni);
add_field("CPU_Extension_x64_INVARIANT_TSC", caps.invariant_tsc);
add_field("CPU_Extension_x64_LZCNT", caps.lzcnt);
add_field("CPU_Extension_x64_MONITORX", caps.monitorx);
add_field("CPU_Extension_x64_MOVBE", caps.movbe);
add_field("CPU_Extension_x64_PCLMULQDQ", caps.pclmulqdq);
add_field("CPU_Extension_x64_POPCNT", caps.popcnt);

1
src/common/x64/cpu_detect.cpp
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@@ -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) {

1
src/common/x64/cpu_detect.h
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@@ -63,6 +63,7 @@ struct CPUCaps {
bool gfni : 1;
bool invariant_tsc : 1;
bool lzcnt : 1;
bool monitorx : 1;
bool movbe : 1;
bool pclmulqdq : 1;
bool popcnt : 1;