[gem5-dev] Unrecognized/invalid instruction executed error when using x86 ISA

[Madan YN via gem5-dev]

I am running SPEC2017 benchmarks and I was flagged with this error

src/arch/x86/faults.cc:132: panic: Unrecognized/invalid instruction
executed:

{
        leg = 0x10,
        rex = 0x2,
        vex/xop = 0x5,
        op = {
                type = three byte 0f38,
                op = 0x19,
                },
        modRM = 0,
        sib = 0,
        immediate = 0,
        displacement = 0
        dispSize = 0}
Memory Usage: 8789364 KBytes
Program aborted at tick 648666304

Adding the flag -march=athlon64 while compiling the benchmark as suggested
here https://www.mail-archive.com/gem5-dev@gem5.org/msg28965.html also
didn't help. Does anyone have a solution to this?

Thanks

Madan

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