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Unrecognized instruction of opcode 2792 (ror) #209

@rdolbeau

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@rdolbeau

Hello,
One of my code (on a SimEng patched with #208) crashes with:

Encountered illegal instruction exception
  Generated by instruction: 
    0x0000000000408f00: 21 2c c6 1a     <unknown>
      opcode ID: 2792
Halting due to fatal exception

It seems to be a simple ror:

dolbeau@rpi4:~$ objdump -d testfftw | grep 408f00
  408f00:       1ac62c21        ror     w1, w1, w6

Cordially,

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