Jan Klhůfek 56c86c13ca
New multipliers (#13)
* #10 CGP Circuits as inputs (#11)

* CGP Circuits as inputs

* #10 support of signed output in general circuit

* input as output works

* output connected to input (c)

* automated verilog testing

* output rename

* Implemented CSA and Wallace tree multiplier composing of CSAs. Also did some code cleanup.

* Typos fix and code cleanup.

* Added new (approximate) multiplier architectures and did some minor changes regarding sign extension for c output formats.

* Updated automated testing scripts.

* Small bugfix in python code generation (I initially thought this line is useless).

* Updated generated circuits folder.

Co-authored-by: Vojta Mrazek <mrazek@fit.vutbr.cz>
2022-04-17 16:00:00 +02:00

179 lines
7.0 KiB
Verilog

module s_rca16(input [15:0] a, input [15:0] b, output [16:0] s_rca16_out);
wire s_rca16_ha_xor0;
wire s_rca16_ha_and0;
wire s_rca16_fa1_xor0;
wire s_rca16_fa1_and0;
wire s_rca16_fa1_xor1;
wire s_rca16_fa1_and1;
wire s_rca16_fa1_or0;
wire s_rca16_fa2_xor0;
wire s_rca16_fa2_and0;
wire s_rca16_fa2_xor1;
wire s_rca16_fa2_and1;
wire s_rca16_fa2_or0;
wire s_rca16_fa3_xor0;
wire s_rca16_fa3_and0;
wire s_rca16_fa3_xor1;
wire s_rca16_fa3_and1;
wire s_rca16_fa3_or0;
wire s_rca16_fa4_xor0;
wire s_rca16_fa4_and0;
wire s_rca16_fa4_xor1;
wire s_rca16_fa4_and1;
wire s_rca16_fa4_or0;
wire s_rca16_fa5_xor0;
wire s_rca16_fa5_and0;
wire s_rca16_fa5_xor1;
wire s_rca16_fa5_and1;
wire s_rca16_fa5_or0;
wire s_rca16_fa6_xor0;
wire s_rca16_fa6_and0;
wire s_rca16_fa6_xor1;
wire s_rca16_fa6_and1;
wire s_rca16_fa6_or0;
wire s_rca16_fa7_xor0;
wire s_rca16_fa7_and0;
wire s_rca16_fa7_xor1;
wire s_rca16_fa7_and1;
wire s_rca16_fa7_or0;
wire s_rca16_fa8_xor0;
wire s_rca16_fa8_and0;
wire s_rca16_fa8_xor1;
wire s_rca16_fa8_and1;
wire s_rca16_fa8_or0;
wire s_rca16_fa9_xor0;
wire s_rca16_fa9_and0;
wire s_rca16_fa9_xor1;
wire s_rca16_fa9_and1;
wire s_rca16_fa9_or0;
wire s_rca16_fa10_xor0;
wire s_rca16_fa10_and0;
wire s_rca16_fa10_xor1;
wire s_rca16_fa10_and1;
wire s_rca16_fa10_or0;
wire s_rca16_fa11_xor0;
wire s_rca16_fa11_and0;
wire s_rca16_fa11_xor1;
wire s_rca16_fa11_and1;
wire s_rca16_fa11_or0;
wire s_rca16_fa12_xor0;
wire s_rca16_fa12_and0;
wire s_rca16_fa12_xor1;
wire s_rca16_fa12_and1;
wire s_rca16_fa12_or0;
wire s_rca16_fa13_xor0;
wire s_rca16_fa13_and0;
wire s_rca16_fa13_xor1;
wire s_rca16_fa13_and1;
wire s_rca16_fa13_or0;
wire s_rca16_fa14_xor0;
wire s_rca16_fa14_and0;
wire s_rca16_fa14_xor1;
wire s_rca16_fa14_and1;
wire s_rca16_fa14_or0;
wire s_rca16_fa15_xor0;
wire s_rca16_fa15_and0;
wire s_rca16_fa15_xor1;
wire s_rca16_fa15_and1;
wire s_rca16_fa15_or0;
wire s_rca16_xor0;
wire s_rca16_xor1;
assign s_rca16_ha_xor0 = a[0] ^ b[0];
assign s_rca16_ha_and0 = a[0] & b[0];
assign s_rca16_fa1_xor0 = a[1] ^ b[1];
assign s_rca16_fa1_and0 = a[1] & b[1];
assign s_rca16_fa1_xor1 = s_rca16_fa1_xor0 ^ s_rca16_ha_and0;
assign s_rca16_fa1_and1 = s_rca16_fa1_xor0 & s_rca16_ha_and0;
assign s_rca16_fa1_or0 = s_rca16_fa1_and0 | s_rca16_fa1_and1;
assign s_rca16_fa2_xor0 = a[2] ^ b[2];
assign s_rca16_fa2_and0 = a[2] & b[2];
assign s_rca16_fa2_xor1 = s_rca16_fa2_xor0 ^ s_rca16_fa1_or0;
assign s_rca16_fa2_and1 = s_rca16_fa2_xor0 & s_rca16_fa1_or0;
assign s_rca16_fa2_or0 = s_rca16_fa2_and0 | s_rca16_fa2_and1;
assign s_rca16_fa3_xor0 = a[3] ^ b[3];
assign s_rca16_fa3_and0 = a[3] & b[3];
assign s_rca16_fa3_xor1 = s_rca16_fa3_xor0 ^ s_rca16_fa2_or0;
assign s_rca16_fa3_and1 = s_rca16_fa3_xor0 & s_rca16_fa2_or0;
assign s_rca16_fa3_or0 = s_rca16_fa3_and0 | s_rca16_fa3_and1;
assign s_rca16_fa4_xor0 = a[4] ^ b[4];
assign s_rca16_fa4_and0 = a[4] & b[4];
assign s_rca16_fa4_xor1 = s_rca16_fa4_xor0 ^ s_rca16_fa3_or0;
assign s_rca16_fa4_and1 = s_rca16_fa4_xor0 & s_rca16_fa3_or0;
assign s_rca16_fa4_or0 = s_rca16_fa4_and0 | s_rca16_fa4_and1;
assign s_rca16_fa5_xor0 = a[5] ^ b[5];
assign s_rca16_fa5_and0 = a[5] & b[5];
assign s_rca16_fa5_xor1 = s_rca16_fa5_xor0 ^ s_rca16_fa4_or0;
assign s_rca16_fa5_and1 = s_rca16_fa5_xor0 & s_rca16_fa4_or0;
assign s_rca16_fa5_or0 = s_rca16_fa5_and0 | s_rca16_fa5_and1;
assign s_rca16_fa6_xor0 = a[6] ^ b[6];
assign s_rca16_fa6_and0 = a[6] & b[6];
assign s_rca16_fa6_xor1 = s_rca16_fa6_xor0 ^ s_rca16_fa5_or0;
assign s_rca16_fa6_and1 = s_rca16_fa6_xor0 & s_rca16_fa5_or0;
assign s_rca16_fa6_or0 = s_rca16_fa6_and0 | s_rca16_fa6_and1;
assign s_rca16_fa7_xor0 = a[7] ^ b[7];
assign s_rca16_fa7_and0 = a[7] & b[7];
assign s_rca16_fa7_xor1 = s_rca16_fa7_xor0 ^ s_rca16_fa6_or0;
assign s_rca16_fa7_and1 = s_rca16_fa7_xor0 & s_rca16_fa6_or0;
assign s_rca16_fa7_or0 = s_rca16_fa7_and0 | s_rca16_fa7_and1;
assign s_rca16_fa8_xor0 = a[8] ^ b[8];
assign s_rca16_fa8_and0 = a[8] & b[8];
assign s_rca16_fa8_xor1 = s_rca16_fa8_xor0 ^ s_rca16_fa7_or0;
assign s_rca16_fa8_and1 = s_rca16_fa8_xor0 & s_rca16_fa7_or0;
assign s_rca16_fa8_or0 = s_rca16_fa8_and0 | s_rca16_fa8_and1;
assign s_rca16_fa9_xor0 = a[9] ^ b[9];
assign s_rca16_fa9_and0 = a[9] & b[9];
assign s_rca16_fa9_xor1 = s_rca16_fa9_xor0 ^ s_rca16_fa8_or0;
assign s_rca16_fa9_and1 = s_rca16_fa9_xor0 & s_rca16_fa8_or0;
assign s_rca16_fa9_or0 = s_rca16_fa9_and0 | s_rca16_fa9_and1;
assign s_rca16_fa10_xor0 = a[10] ^ b[10];
assign s_rca16_fa10_and0 = a[10] & b[10];
assign s_rca16_fa10_xor1 = s_rca16_fa10_xor0 ^ s_rca16_fa9_or0;
assign s_rca16_fa10_and1 = s_rca16_fa10_xor0 & s_rca16_fa9_or0;
assign s_rca16_fa10_or0 = s_rca16_fa10_and0 | s_rca16_fa10_and1;
assign s_rca16_fa11_xor0 = a[11] ^ b[11];
assign s_rca16_fa11_and0 = a[11] & b[11];
assign s_rca16_fa11_xor1 = s_rca16_fa11_xor0 ^ s_rca16_fa10_or0;
assign s_rca16_fa11_and1 = s_rca16_fa11_xor0 & s_rca16_fa10_or0;
assign s_rca16_fa11_or0 = s_rca16_fa11_and0 | s_rca16_fa11_and1;
assign s_rca16_fa12_xor0 = a[12] ^ b[12];
assign s_rca16_fa12_and0 = a[12] & b[12];
assign s_rca16_fa12_xor1 = s_rca16_fa12_xor0 ^ s_rca16_fa11_or0;
assign s_rca16_fa12_and1 = s_rca16_fa12_xor0 & s_rca16_fa11_or0;
assign s_rca16_fa12_or0 = s_rca16_fa12_and0 | s_rca16_fa12_and1;
assign s_rca16_fa13_xor0 = a[13] ^ b[13];
assign s_rca16_fa13_and0 = a[13] & b[13];
assign s_rca16_fa13_xor1 = s_rca16_fa13_xor0 ^ s_rca16_fa12_or0;
assign s_rca16_fa13_and1 = s_rca16_fa13_xor0 & s_rca16_fa12_or0;
assign s_rca16_fa13_or0 = s_rca16_fa13_and0 | s_rca16_fa13_and1;
assign s_rca16_fa14_xor0 = a[14] ^ b[14];
assign s_rca16_fa14_and0 = a[14] & b[14];
assign s_rca16_fa14_xor1 = s_rca16_fa14_xor0 ^ s_rca16_fa13_or0;
assign s_rca16_fa14_and1 = s_rca16_fa14_xor0 & s_rca16_fa13_or0;
assign s_rca16_fa14_or0 = s_rca16_fa14_and0 | s_rca16_fa14_and1;
assign s_rca16_fa15_xor0 = a[15] ^ b[15];
assign s_rca16_fa15_and0 = a[15] & b[15];
assign s_rca16_fa15_xor1 = s_rca16_fa15_xor0 ^ s_rca16_fa14_or0;
assign s_rca16_fa15_and1 = s_rca16_fa15_xor0 & s_rca16_fa14_or0;
assign s_rca16_fa15_or0 = s_rca16_fa15_and0 | s_rca16_fa15_and1;
assign s_rca16_xor0 = a[15] ^ b[15];
assign s_rca16_xor1 = s_rca16_xor0 ^ s_rca16_fa15_or0;
assign s_rca16_out[0] = s_rca16_ha_xor0;
assign s_rca16_out[1] = s_rca16_fa1_xor1;
assign s_rca16_out[2] = s_rca16_fa2_xor1;
assign s_rca16_out[3] = s_rca16_fa3_xor1;
assign s_rca16_out[4] = s_rca16_fa4_xor1;
assign s_rca16_out[5] = s_rca16_fa5_xor1;
assign s_rca16_out[6] = s_rca16_fa6_xor1;
assign s_rca16_out[7] = s_rca16_fa7_xor1;
assign s_rca16_out[8] = s_rca16_fa8_xor1;
assign s_rca16_out[9] = s_rca16_fa9_xor1;
assign s_rca16_out[10] = s_rca16_fa10_xor1;
assign s_rca16_out[11] = s_rca16_fa11_xor1;
assign s_rca16_out[12] = s_rca16_fa12_xor1;
assign s_rca16_out[13] = s_rca16_fa13_xor1;
assign s_rca16_out[14] = s_rca16_fa14_xor1;
assign s_rca16_out[15] = s_rca16_fa15_xor1;
assign s_rca16_out[16] = s_rca16_xor1;
endmodule