Hi all,

I'm working on extending the ARM ISA by adding pseudo instructions.
I choose 0x56 as the opcode.
I've already added new operation in following files.
src/sim/pseudo_inst.cc
src/sim/pseudo_inst.hh
util/m5/m5op.h
util/m5/m5op_arm.S
util/m5/m5ops.h

However, the following panic is occurred.

command line: build/ARM/gem5.opt configs/example/se.py -n 2 -c
tests/test-progs/add/add;tests/test-progs/add/add
Global frequency set at 1000000000000 ticks per second
**** REAL SIMULATION ****
info: Entering event queue @ 0.  Starting simulation...
Hello world!
Hello world!
panic : Attempted to execute unknown instruction (inst 0xee560110)
@ cycle 3597000
[invoke:build/ARM/arch/arm/faults.cc, line 192]

If you have any suggestion, please let me know.
Thanks!
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