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src/hotspot/cpu/aarch64/vm_version_aarch64.cpp

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*** 189,198 **** --- 189,201 ---- FLAG_SET_DEFAULT(AvoidUnalignedAccesses, true); } if (FLAG_IS_DEFAULT(UseSIMDForMemoryOps)) { FLAG_SET_DEFAULT(UseSIMDForMemoryOps, (_variant > 0)); } + if ((_model == 0x0a1 || _model2 == 0x0a1) && FLAG_IS_DEFAULT(UseSIMDForArrayEquals)) { + UseSIMDForArrayEquals = false; // ThunderX T88 is slow with SIMD + } } if (_cpu == CPU_ARM && (_model == 0xd03 || _model2 == 0xd03)) _features |= CPU_A53MAC; if (_cpu == CPU_ARM && (_model == 0xd07 || _model2 == 0xd07)) _features |= CPU_STXR_PREFETCH; // If an olde style /proc/cpuinfo (cpu_lines == 1) then if _model is an A57 (0xd07) // we assume the worst and assume we could be on a big little system and have
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