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HostFeatures: Adds support for querying CLWB availability

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The x86 runner doesn't support CLWB natively.
This commit is contained in:
Ryan Houdek 2023-01-12 10:48:34 -08:00
parent 965c6ff6cc
commit bd36bd55ca
6 changed files with 12 additions and 2 deletions
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2
External/FEXCore/Source/Interface/Core/HostFeatures.cpp vendored
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@ -79,6 +79,7 @@ HostFeatures::HostFeatures() {
SupportsSHA = true;
SupportsBMI1 = true;
SupportsBMI2 = true;
SupportsCLWB = true;
if (!SupportsAtomics) {
WARN_ONCE_FMT("Host CPU doesn't support atomics. Expect bad performance");
@ -128,6 +129,7 @@ HostFeatures::HostFeatures() {
SupportsSHA = Features.has(Xbyak::util::Cpu::tSHA);
SupportsBMI1 = Features.has(Xbyak::util::Cpu::tBMI1);
SupportsBMI2 = Features.has(Xbyak::util::Cpu::tBMI2);
SupportsBMI2 = Features.has(Xbyak::util::Cpu::tCLWB);
SupportsPMULL_128Bit = Features.has(Xbyak::util::Cpu::tPCLMULQDQ);
// xbyak doesn't know how to check for CLZero

1
External/FEXCore/include/FEXCore/Core/HostFeatures.h vendored
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@ -27,6 +27,7 @@ class HostFeatures final {
bool SupportsSHA{};
bool SupportsBMI1{};
bool SupportsBMI2{};
bool SupportsCLWB{};
bool SupportsPMULL_128Bit{};
// Float exception behaviour

2
Scripts/json_config_parse.py
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@ -72,6 +72,7 @@ class HostFeatures(Flag) :
FEATURE_CLZERO = (1 << 5)
FEATURE_BMI1 = (1 << 6)
FEATURE_BMI2 = (1 << 7)
FEATURE_CLWB = (1 << 8)
RegStringLookup = {
"NONE": Regs.REG_NONE,
@ -143,6 +144,7 @@ HostFeaturesLookup = {
"CLZERO" : HostFeatures.FEATURE_CLZERO,
"BMI1" : HostFeatures.FEATURE_BMI1,
"BMI2" : HostFeatures.FEATURE_BMI2,
"CLWB" : HostFeatures.FEATURE_CLWB,
}
def parse_hexstring(s):

3
Source/Tests/HarnessHelpers.h
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@ -385,6 +385,7 @@ namespace FEX::HarnessHelper {
FEATURE_CLZERO = (1 << 5),
FEATURE_BMI1 = (1 << 6),
FEATURE_BMI2 = (1 << 7),
FEATURE_CLWB = (1 << 8),
};
bool Requires3DNow() const { return BaseConfig.OptionHostFeatures & HostFeatures::FEATURE_3DNOW; }
@ -395,6 +396,7 @@ namespace FEX::HarnessHelper {
bool RequiresCLZERO() const { return BaseConfig.OptionHostFeatures & HostFeatures::FEATURE_CLZERO; }
bool RequiresBMI1() const { return BaseConfig.OptionHostFeatures & HostFeatures::FEATURE_BMI1; }
bool RequiresBMI2() const { return BaseConfig.OptionHostFeatures & HostFeatures::FEATURE_BMI2; }
bool RequiresCLWB() const { return BaseConfig.OptionHostFeatures & HostFeatures::FEATURE_CLWB; }
private:
FEX_CONFIG_OPT(ConfigDumpGPRs, DUMPGPRS);
@ -534,6 +536,7 @@ namespace FEX::HarnessHelper {
bool RequiresCLZERO() const { return Config.RequiresCLZERO(); }
bool RequiresBMI1() const { return Config.RequiresBMI1(); }
bool RequiresBMI2() const { return Config.RequiresBMI2(); }
bool RequiresCLWB() const { return Config.RequiresCLWB(); }
private:
constexpr static uint64_t STACK_SIZE = FHU::FEX_PAGE_SIZE;

3
Source/Tests/TestHarnessRunner.cpp
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@ -178,7 +178,8 @@ int main(int argc, char **argv, char **const envp) {
(!HostFeatures.SupportsSHA && Loader.RequiresSHA()) ||
(!HostFeatures.SupportsCLZERO && Loader.RequiresCLZERO()) ||
(!HostFeatures.SupportsBMI1 && Loader.RequiresBMI1()) ||
(!HostFeatures.SupportsBMI2 && Loader.RequiresBMI2());
(!HostFeatures.SupportsBMI2 && Loader.RequiresBMI2()) ||
(!HostFeatures.SupportsCLWB && Loader.RequiresCLWB());
if (TestUnsupported) {
FEXCore::Context::DestroyContext(CTX);

3
unittests/ASM/Secondary/CLWB.asm
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@ -2,7 +2,8 @@
{
"RegData": {
"RAX": "1"
}
},
"HostFeatures": ["CLWB"]
}
%endif