| Line 61... |
Line 61... |
wire [size_mantissa-1 : 0] fp_resulted_m_o, cp_resulted_m_o;
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wire [size_mantissa-1 : 0] fp_resulted_m_o, cp_resulted_m_o;
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wire [size_exponent-1 : 0] fp_resulted_e_o, cp_resulted_e_o;
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wire [size_exponent-1 : 0] fp_resulted_e_o, cp_resulted_e_o;
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wire [size_exception_field - 1 : 0] resulted_exception_field;
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wire [size_exception_field - 1 : 0] resulted_exception_field;
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wire resulted_sign;
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wire resulted_sign;
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wire swap;
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wire zero_flag;
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wire zero_flag;
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assign e_a_number = a_number_i[size_mantissa + size_exponent - 1 : size_mantissa - 1];
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assign e_a_number = a_number_i[size_mantissa + size_exponent - 1 : size_mantissa - 1];
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| Line 82... |
Line 83... |
//find the difference between exponents
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//find the difference between exponents
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assign exp_difference = (a_greater_exponent[size_exponent])? b_greater_exponent[size_exponent - 1 : 0] : a_greater_exponent[size_exponent - 1 : 0];
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assign exp_difference = (a_greater_exponent[size_exponent])? b_greater_exponent[size_exponent - 1 : 0] : a_greater_exponent[size_exponent - 1 : 0];
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assign exp_inter = (b_greater_exponent[size_exponent])? {1'b0, e_a_number} : {1'b0, e_b_number};
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assign exp_inter = (b_greater_exponent[size_exponent])? {1'b0, e_a_number} : {1'b0, e_b_number};
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//set shifter always on m_b_number
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//set shifter always on m_b_number
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assign {m_a_number, m_b_number} = (b_greater_exponent[size_exponent])?
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assign {swap, m_a_number, m_b_number} = (b_greater_exponent[size_exponent])?
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{{1'b1, a_number_i[size_mantissa - 2 :0]}, {1'b1, b_number_i[size_mantissa - 2 :0]}} :
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{1'b0, {1'b1, a_number_i[size_mantissa - 2 :0]}, {1'b1, b_number_i[size_mantissa - 2 :0]}} :
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{{1'b1, b_number_i[size_mantissa - 2 :0]}, {1'b1, a_number_i[size_mantissa - 2 :0]}};
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{1'b1, {1'b1, b_number_i[size_mantissa - 2 :0]}, {1'b1, a_number_i[size_mantissa - 2 :0]}};
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effective_op effective_op_instance( .a_sign(s_a_number), .b_sign(s_b_number), .sub(sub), .eff_op(eff_op));
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effective_op effective_op_instance( .a_sign(s_a_number), .b_sign(s_b_number), .sub(sub), .eff_op(eff_op));
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//instantiate FarPath component
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//instantiate FarPath component
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| Line 134... |
Line 135... |
.sp_case_result_o(resulted_exception_field));
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.sp_case_result_o(resulted_exception_field));
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//set zero_flag in case of equal numbers
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//set zero_flag in case of equal numbers
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assign zero_flag = (exp_difference > 1 | !eff_op)? ~(|fp_resulted_m_o) : ~(|cp_resulted_m_o);
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assign zero_flag = (exp_difference > 1 | !eff_op)? ~(|fp_resulted_m_o) : ~(|cp_resulted_m_o);
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assign resulted_sign = (exp_difference > 1 | !eff_op)? (!a_greater_exponent[size_exponent]? s_a_number : s_b_number) : ~ovf;
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assign resulted_sign = (exp_difference > 1 | !eff_op)? (!a_greater_exponent[size_exponent]? s_a_number : (eff_op? ~s_b_number : s_b_number)) : (ovf ^ swap);
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assign resulted_number_o = (zero_flag)? {size{1'b0}} :
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assign resulted_number_o = (zero_flag)? {size{1'b0}} :
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(exp_difference > 1 | !eff_op)? {resulted_exception_field, resulted_sign, fp_resulted_e_o, fp_resulted_m_o[size_mantissa-2 : 0]}:
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(exp_difference > 1 | !eff_op)? {resulted_exception_field, resulted_sign, fp_resulted_e_o, fp_resulted_m_o[size_mantissa-2 : 0]}:
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{resulted_exception_field, resulted_sign, cp_resulted_e_o, cp_resulted_m_o[size_mantissa-2 : 0]};
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{resulted_exception_field, resulted_sign, cp_resulted_e_o, cp_resulted_m_o[size_mantissa-2 : 0]};
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endmodule
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endmodule
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