Hi,

I am looking into the Instruction generation of TurboFan, and I found that 
there are three types of operands passed to the Instruction::New function 
(e.g., Instruction* instr = Instruction::New(instruction_zone(), opcode, 
output_count, outputs, input_count, inputs, temp_count, temps);).

I get the inputs and outputs, but why does V8 need temp operands? What do 
they hold other than the inputs/outputs of the operands?

Thanks!

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