12 lines
543 B
Python
12 lines
543 B
Python
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from InsnRV32IRType import *
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class InsnSub(InsnRV32IRType):
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def __init__(self, RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA, RISCV_FORMAL_COMPRESSED):
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super(InsnSub, self).__init__(RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA, RISCV_FORMAL_COMPRESSED, 0b0100000, 0b000, 0b0110011)
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def elaborate(self, platform):
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m = super(InsnSub, self).elaborate(platform)
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m.d.comb += self.spec_rd_wdata.eq(Mux(self.spec_rd_addr, self.rvfi_rs1_rdata - self.rvfi_rs2_rdata, 0))
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return m
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