verilog 符号扩展Sign-extending the 24-bit signed (two's complement) immediate to 30 bits.将24位的符号数进行符号扩展成30位的,怎么扩展啊?

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verilog 符号扩展Sign-extending the 24-bit signed (two's complement) immediate to 30 bits.将24位的符号数进行符号扩展成30位的,怎么扩展啊?
verilog 符号扩展
Sign-extending the 24-bit signed (two's complement) immediate to 30 bits.将24位的符号数进行符号扩展成30位的,怎么扩展啊?

verilog 符号扩展Sign-extending the 24-bit signed (two's complement) immediate to 30 bits.将24位的符号数进行符号扩展成30位的,怎么扩展啊?
用拼接的方式.
比如,你的a的24bit是a = 24‘b1010_0000_0000_0000_0000_0000
那么符号位拓展的b是b = {6’b11_1111, a}