HIFIVE1-VP/riscv/gen_input/RV64M.core_desc

import "RV64IBase.core_desc"

InsructionSet RV64M extends RV64IBase {
    instructions{       
        MULW{
            encoding: b0000001 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b0111011;
            args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
            if(rd != 0){
                X[rd]<= X[rs1] * X[rs2];
            }
        }
        DIVW {
            encoding: b0000001 | rs2[4:0] | rs1[4:0] | b100 | rd[4:0] | b0111011;
            args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
            if(rd != 0){
                X[rd] <= X[rs1]s / X[rs2]s;
            }
        }
        DIVUW {
            encoding: b0000001 | rs2[4:0] | rs1[4:0] | b101 | rd[4:0] | b0111011;
            args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
            if(rd != 0){
                X[rd] <= X[rs1] / X[rs2];
            }
        }
        REMW {
            encoding: b0000001 | rs2[4:0] | rs1[4:0] | b110 | rd[4:0] | b0111011;
            args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
            if(rd != 0){
                X[rd] <= X[rs1]s % X[rs2]s;
            }
        }
        REMUW {
            encoding: b0000001 | rs2[4:0] | rs1[4:0] | b111 | rd[4:0] | b0111011;
            args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
            if(rd != 0){
                X[rd] <= X[rs1] % X[rs2];
            }
        }
    }
}