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(0.46) x86-64: Implement an enhancement for byte array and char array System.arraycopy #202

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May 29, 2024
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(0.46) x86-64: Implement an enhancement for byte array and char array System.arraycopy #202

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c15d2ae
x86-64: Implement an enhancement for char array System.arraycopy
a7ehuo May 3, 2024
36ba205
x86-64: Implement an enhancement for byte array System.arraycopy
a7ehuo May 3, 2024
deff579
Add JIT options that disable array copy enhancement
a7ehuo May 9, 2024
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2 changes: 2 additions & 0 deletions compiler/control/OMROptions.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -251,6 +251,8 @@ TR::OptionTable OMR::Options::_jitOptions[] = {
{"disableAOTStaticField", "O\tdisable AOT static field inlining", SET_OPTION_BIT(TR_DisableAOTStaticField), "F"},
{"disableAOTValidationOpts", "O\tdisable AOT optimizations with validations", SET_OPTION_BIT(TR_DisableAOTCheckCastInlining | TR_DisableAOTInstanceOfInlining | TR_DisableAOTInstanceFieldResolution | TR_DisableAOTStaticField), "F"},
{"disableAOTWarmRunThroughputImprovement", "O\tdisable change iprofiler entry choosing heuristic to improve aot warm run throughput", SET_OPTION_BIT(TR_DisableAOTWarmRunThroughputImprovement), "F"},
{"disableArrayCopyByteArrayInlineSmallSizeWithoutREPMOVS", "O\tdisable array copy optimizations enhancement for 8 bit primitive array", SET_OPTION_BIT(TR_Disable8BitPrimitiveArrayCopyInlineSmallSizeWithoutREPMOVS), "F"},
{"disableArrayCopyCharArrayInlineSmallSizeWithoutREPMOVS", "O\tdisable array copy optimizations enhancement for 16 bit primitive array", SET_OPTION_BIT(TR_Disable16BitPrimitiveArrayCopyInlineSmallSizeWithoutREPMOVS), "F"},
{"disableArrayCopyOpts", "O\tdisable array copy optimizations", SET_OPTION_BIT(TR_DisableArrayCopyOpts), "F"},
{"disableArraySetOpts", "O\tdisable array set optimizations", SET_OPTION_BIT(TR_DisableArraySetOpts), "F"},
{"disableArraySetStoreElimination", "O\tdisable arrayset store elimination", SET_OPTION_BIT(TR_DisableArraysetStoreElimination), "F"},
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4 changes: 2 additions & 2 deletions compiler/control/OMROptions.hpp
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Expand Up @@ -311,9 +311,9 @@ enum TR_CompilationOptions
TR_DisableCHOpts = 0x00040000 + 7,
TR_ForceLoadAOT = 0x00080000 + 7,
TR_TraceRelocatableDataCG = 0x00100000 + 7,
// Available = 0x00200000 + 7,
TR_Disable8BitPrimitiveArrayCopyInlineSmallSizeWithoutREPMOVS = 0x00200000 + 7,
TR_TraceRelocatableDataDetailsCG = 0x00400000 + 7,
// Available = 0x00800000 + 7,
TR_Disable16BitPrimitiveArrayCopyInlineSmallSizeWithoutREPMOVS = 0x00800000 + 7,
TR_TurnOffSelectiveNoOptServerIfNoStartupHint = 0x01000000 + 7,
TR_TraceDominators = 0x02000000 + 7,
TR_EnableHCR = 0x04000000 + 7, // enable hot code replacement
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