Hi everyone, I was trying to modify the Rename module of the O3 CPU and I found
that the Rename for the destination register calls 'dest_reg.flatten(*isa)', I
want to know what is the meaning of flatten for the register, I found the
definition and the implementation in reg_class.hh but when I read the source
code I couldn't understand the meaning of flatten. I found the definition and
implementation in reg_class.hh, but when I read the source code, I can't
understand the meaning of flatten, can someone please tell me what is the
meaning of register flatten in reg_class or gem5?
Thanks!
Yibo Zhang
Best wishes!
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