Add CLWB to X86 support_features_test

eclipse · Mar 6, 2024 · 2c3ffab · 2c3ffab
1 parent 19993ce
commit 2c3ffab
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Showing 3 changed files with 4 additions and 0 deletions.
diff --git a/compiler/env/ProcessorInfo.hpp b/compiler/env/ProcessorInfo.hpp
@@ -188,6 +188,7 @@ inline uint32_t getFeatureFlags8Mask()
    {
    return  TR_HLE
          | TR_RTM
+         | TR_CLWB
          | TR_AVX2
          | TR_AVX512F
          | TR_AVX512VL

diff --git a/compiler/x/codegen/OMRCodeGenerator.hpp b/compiler/x/codegen/OMRCodeGenerator.hpp
@@ -150,6 +150,7 @@ struct TR_X86ProcessorInfo
    bool has36BitPageSizeExtension()        {return testFeatureFlags(TR_36BitPageSizeExtension);}
    bool hasProcessorSerialNumber()         {return testFeatureFlags(TR_ProcessorSerialNumber);}
    bool supportsCLFLUSHInstruction()       {return testFeatureFlags(TR_CLFLUSHInstruction);}
+   bool supportsCLWBInstruction()          {return testFeatureFlags8(TR_CLWB);}
    bool supportsDebugTraceStore()          {return testFeatureFlags(TR_DebugTraceStore);}
    bool hasACPIRegisters()                 {return testFeatureFlags(TR_ACPIRegisters);}
    bool supportsMMXInstructions()          {return testFeatureFlags(TR_MMXInstructions);}

diff --git a/compiler/x/env/OMRCPU.cpp b/compiler/x/env/OMRCPU.cpp
@@ -349,6 +349,8 @@ OMR::X86::CPU::supports_feature_test(uint32_t feature)
          return TR::CodeGenerator::getX86ProcessorInfo().hasProcessorSerialNumber() == ans;
       case OMR_FEATURE_X86_CLFSH:
          return TR::CodeGenerator::getX86ProcessorInfo().supportsCLFLUSHInstruction() == ans;
+      case OMR_FEATURE_X86_CLWB:
+         return TR::CodeGenerator::getX86ProcessorInfo().supportsCLWBInstruction() == ans;
       case OMR_FEATURE_X86_DS:
          return TR::CodeGenerator::getX86ProcessorInfo().supportsDebugTraceStore() == ans;
       case OMR_FEATURE_X86_ACPI: