//======================================================================
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//======================================================================
`timescale 1ns / 1ps
module modexpa7_adder64_carry32
(
input wire clk,
input wire [31: 0] t,
input wire [31: 0] x,
input wire [31: 0] y,
output wire [31: 0] s,
input wire [31: 0] c_in,
output wire [31: 0] c_out
);
//
// Multiplier
//
wire [63: 0] multiplier_out;
dsp_multiplier_a7 dsp_multiplier
(
.clk (clk),
.a (x),
.b (y),
.p (multiplier_out)
);
//
// Carry and T
//
wire [63: 0] t_ext = {{32{1'b0}}, t};
wire [63: 0] c_ext = {{32{1'b0}}, c_in};
//
// Sum
//
wire [63: 0] sum = multiplier_out + c_in + t;
//
// Output
//
assign s = sum[31: 0];
assign c_out = sum[63:32];
endmodule