Design and Simulation of ARM Processor with Floating Point Instructions

Floating point arithmetic in microprocessor is the computation of addition, subtraction, multiplication, and division of floating point data to improve accuracy. In general, when designing a processor, floating point instructions are often excluded because of its complexity and only integer instructions are provided. However, in order to carry out the computations for not only engineering and technical operations but also artificial intelligence and neural networks that are in the spotlight today, floating point operations must be included. In this paper, we design a 32-bit ARMv4 family of processors with floating-point arithmetic instructions using VHDL and verify with ModelSim. As a result, ARM's floating point instructions are successfully executed.

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