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

171 lines
8.7 KiB
C

#include <stdio.h>
#include <stdint.h>
uint8_t and_gate(uint8_t a, uint8_t b){
return ((a >> 0) & 0x01) & ((b >> 0) & 0x01);
}
uint8_t xor_gate(uint8_t a, uint8_t b){
return ((a >> 0) & 0x01) ^ ((b >> 0) & 0x01);
}
uint8_t or_gate(uint8_t a, uint8_t b){
return ((a >> 0) & 0x01) | ((b >> 0) & 0x01);
}
uint8_t ha(uint8_t a, uint8_t b){
uint8_t ha_out = 0;
uint8_t ha_xor0 = 0;
uint8_t ha_and0 = 0;
ha_xor0 = xor_gate(((a >> 0) & 0x01), ((b >> 0) & 0x01));
ha_and0 = and_gate(((a >> 0) & 0x01), ((b >> 0) & 0x01));
ha_out |= ((ha_xor0 >> 0) & 0x01ull) << 0;
ha_out |= ((ha_and0 >> 0) & 0x01ull) << 1;
return ha_out;
}
uint8_t fa(uint8_t a, uint8_t b, uint8_t cin){
uint8_t fa_out = 0;
uint8_t fa_xor0 = 0;
uint8_t fa_and0 = 0;
uint8_t fa_xor1 = 0;
uint8_t fa_and1 = 0;
uint8_t fa_or0 = 0;
fa_xor0 = xor_gate(((a >> 0) & 0x01), ((b >> 0) & 0x01));
fa_and0 = and_gate(((a >> 0) & 0x01), ((b >> 0) & 0x01));
fa_xor1 = xor_gate(((fa_xor0 >> 0) & 0x01), ((cin >> 0) & 0x01));
fa_and1 = and_gate(((fa_xor0 >> 0) & 0x01), ((cin >> 0) & 0x01));
fa_or0 = or_gate(((fa_and0 >> 0) & 0x01), ((fa_and1 >> 0) & 0x01));
fa_out |= ((fa_xor1 >> 0) & 0x01ull) << 0;
fa_out |= ((fa_or0 >> 0) & 0x01ull) << 1;
return fa_out;
}
uint64_t u_rca6(uint64_t a, uint64_t b){
uint8_t u_rca6_out = 0;
uint8_t u_rca6_ha_xor0 = 0;
uint8_t u_rca6_ha_and0 = 0;
uint8_t u_rca6_fa1_xor1 = 0;
uint8_t u_rca6_fa1_or0 = 0;
uint8_t u_rca6_fa2_xor1 = 0;
uint8_t u_rca6_fa2_or0 = 0;
uint8_t u_rca6_fa3_xor1 = 0;
uint8_t u_rca6_fa3_or0 = 0;
uint8_t u_rca6_fa4_xor1 = 0;
uint8_t u_rca6_fa4_or0 = 0;
uint8_t u_rca6_fa5_xor1 = 0;
uint8_t u_rca6_fa5_or0 = 0;
u_rca6_ha_xor0 = (ha(((a >> 0) & 0x01), ((b >> 0) & 0x01)) >> 0) & 0x01;
u_rca6_ha_and0 = (ha(((a >> 0) & 0x01), ((b >> 0) & 0x01)) >> 1) & 0x01;
u_rca6_fa1_xor1 = (fa(((a >> 1) & 0x01), ((b >> 1) & 0x01), ((u_rca6_ha_and0 >> 0) & 0x01)) >> 0) & 0x01;
u_rca6_fa1_or0 = (fa(((a >> 1) & 0x01), ((b >> 1) & 0x01), ((u_rca6_ha_and0 >> 0) & 0x01)) >> 1) & 0x01;
u_rca6_fa2_xor1 = (fa(((a >> 2) & 0x01), ((b >> 2) & 0x01), ((u_rca6_fa1_or0 >> 0) & 0x01)) >> 0) & 0x01;
u_rca6_fa2_or0 = (fa(((a >> 2) & 0x01), ((b >> 2) & 0x01), ((u_rca6_fa1_or0 >> 0) & 0x01)) >> 1) & 0x01;
u_rca6_fa3_xor1 = (fa(((a >> 3) & 0x01), ((b >> 3) & 0x01), ((u_rca6_fa2_or0 >> 0) & 0x01)) >> 0) & 0x01;
u_rca6_fa3_or0 = (fa(((a >> 3) & 0x01), ((b >> 3) & 0x01), ((u_rca6_fa2_or0 >> 0) & 0x01)) >> 1) & 0x01;
u_rca6_fa4_xor1 = (fa(((a >> 4) & 0x01), ((b >> 4) & 0x01), ((u_rca6_fa3_or0 >> 0) & 0x01)) >> 0) & 0x01;
u_rca6_fa4_or0 = (fa(((a >> 4) & 0x01), ((b >> 4) & 0x01), ((u_rca6_fa3_or0 >> 0) & 0x01)) >> 1) & 0x01;
u_rca6_fa5_xor1 = (fa(((a >> 5) & 0x01), ((b >> 5) & 0x01), ((u_rca6_fa4_or0 >> 0) & 0x01)) >> 0) & 0x01;
u_rca6_fa5_or0 = (fa(((a >> 5) & 0x01), ((b >> 5) & 0x01), ((u_rca6_fa4_or0 >> 0) & 0x01)) >> 1) & 0x01;
u_rca6_out |= ((u_rca6_ha_xor0 >> 0) & 0x01ull) << 0;
u_rca6_out |= ((u_rca6_fa1_xor1 >> 0) & 0x01ull) << 1;
u_rca6_out |= ((u_rca6_fa2_xor1 >> 0) & 0x01ull) << 2;
u_rca6_out |= ((u_rca6_fa3_xor1 >> 0) & 0x01ull) << 3;
u_rca6_out |= ((u_rca6_fa4_xor1 >> 0) & 0x01ull) << 4;
u_rca6_out |= ((u_rca6_fa5_xor1 >> 0) & 0x01ull) << 5;
u_rca6_out |= ((u_rca6_fa5_or0 >> 0) & 0x01ull) << 6;
return u_rca6_out;
}
uint64_t u_dadda_rca4(uint64_t a, uint64_t b){
uint8_t u_dadda_rca4_out = 0;
uint8_t u_dadda_rca4_and_3_0 = 0;
uint8_t u_dadda_rca4_and_2_1 = 0;
uint8_t u_dadda_rca4_ha0_xor0 = 0;
uint8_t u_dadda_rca4_ha0_and0 = 0;
uint8_t u_dadda_rca4_and_3_1 = 0;
uint8_t u_dadda_rca4_ha1_xor0 = 0;
uint8_t u_dadda_rca4_ha1_and0 = 0;
uint8_t u_dadda_rca4_and_2_0 = 0;
uint8_t u_dadda_rca4_and_1_1 = 0;
uint8_t u_dadda_rca4_ha2_xor0 = 0;
uint8_t u_dadda_rca4_ha2_and0 = 0;
uint8_t u_dadda_rca4_and_1_2 = 0;
uint8_t u_dadda_rca4_and_0_3 = 0;
uint8_t u_dadda_rca4_fa0_xor1 = 0;
uint8_t u_dadda_rca4_fa0_or0 = 0;
uint8_t u_dadda_rca4_and_2_2 = 0;
uint8_t u_dadda_rca4_and_1_3 = 0;
uint8_t u_dadda_rca4_fa1_xor1 = 0;
uint8_t u_dadda_rca4_fa1_or0 = 0;
uint8_t u_dadda_rca4_and_3_2 = 0;
uint8_t u_dadda_rca4_fa2_xor1 = 0;
uint8_t u_dadda_rca4_fa2_or0 = 0;
uint8_t u_dadda_rca4_and_0_0 = 0;
uint8_t u_dadda_rca4_and_1_0 = 0;
uint8_t u_dadda_rca4_and_0_2 = 0;
uint8_t u_dadda_rca4_and_2_3 = 0;
uint8_t u_dadda_rca4_and_0_1 = 0;
uint8_t u_dadda_rca4_and_3_3 = 0;
uint64_t u_dadda_rca4_u_rca6_a = 0;
uint64_t u_dadda_rca4_u_rca6_b = 0;
uint64_t u_dadda_rca4_u_rca6_out = 0;
u_dadda_rca4_and_3_0 = and_gate(((a >> 3) & 0x01), ((b >> 0) & 0x01));
u_dadda_rca4_and_2_1 = and_gate(((a >> 2) & 0x01), ((b >> 1) & 0x01));
u_dadda_rca4_ha0_xor0 = (ha(((u_dadda_rca4_and_3_0 >> 0) & 0x01), ((u_dadda_rca4_and_2_1 >> 0) & 0x01)) >> 0) & 0x01;
u_dadda_rca4_ha0_and0 = (ha(((u_dadda_rca4_and_3_0 >> 0) & 0x01), ((u_dadda_rca4_and_2_1 >> 0) & 0x01)) >> 1) & 0x01;
u_dadda_rca4_and_3_1 = and_gate(((a >> 3) & 0x01), ((b >> 1) & 0x01));
u_dadda_rca4_ha1_xor0 = (ha(((u_dadda_rca4_ha0_and0 >> 0) & 0x01), ((u_dadda_rca4_and_3_1 >> 0) & 0x01)) >> 0) & 0x01;
u_dadda_rca4_ha1_and0 = (ha(((u_dadda_rca4_ha0_and0 >> 0) & 0x01), ((u_dadda_rca4_and_3_1 >> 0) & 0x01)) >> 1) & 0x01;
u_dadda_rca4_and_2_0 = and_gate(((a >> 2) & 0x01), ((b >> 0) & 0x01));
u_dadda_rca4_and_1_1 = and_gate(((a >> 1) & 0x01), ((b >> 1) & 0x01));
u_dadda_rca4_ha2_xor0 = (ha(((u_dadda_rca4_and_2_0 >> 0) & 0x01), ((u_dadda_rca4_and_1_1 >> 0) & 0x01)) >> 0) & 0x01;
u_dadda_rca4_ha2_and0 = (ha(((u_dadda_rca4_and_2_0 >> 0) & 0x01), ((u_dadda_rca4_and_1_1 >> 0) & 0x01)) >> 1) & 0x01;
u_dadda_rca4_and_1_2 = and_gate(((a >> 1) & 0x01), ((b >> 2) & 0x01));
u_dadda_rca4_and_0_3 = and_gate(((a >> 0) & 0x01), ((b >> 3) & 0x01));
u_dadda_rca4_fa0_xor1 = (fa(((u_dadda_rca4_ha2_and0 >> 0) & 0x01), ((u_dadda_rca4_and_1_2 >> 0) & 0x01), ((u_dadda_rca4_and_0_3 >> 0) & 0x01)) >> 0) & 0x01;
u_dadda_rca4_fa0_or0 = (fa(((u_dadda_rca4_ha2_and0 >> 0) & 0x01), ((u_dadda_rca4_and_1_2 >> 0) & 0x01), ((u_dadda_rca4_and_0_3 >> 0) & 0x01)) >> 1) & 0x01;
u_dadda_rca4_and_2_2 = and_gate(((a >> 2) & 0x01), ((b >> 2) & 0x01));
u_dadda_rca4_and_1_3 = and_gate(((a >> 1) & 0x01), ((b >> 3) & 0x01));
u_dadda_rca4_fa1_xor1 = (fa(((u_dadda_rca4_fa0_or0 >> 0) & 0x01), ((u_dadda_rca4_and_2_2 >> 0) & 0x01), ((u_dadda_rca4_and_1_3 >> 0) & 0x01)) >> 0) & 0x01;
u_dadda_rca4_fa1_or0 = (fa(((u_dadda_rca4_fa0_or0 >> 0) & 0x01), ((u_dadda_rca4_and_2_2 >> 0) & 0x01), ((u_dadda_rca4_and_1_3 >> 0) & 0x01)) >> 1) & 0x01;
u_dadda_rca4_and_3_2 = and_gate(((a >> 3) & 0x01), ((b >> 2) & 0x01));
u_dadda_rca4_fa2_xor1 = (fa(((u_dadda_rca4_fa1_or0 >> 0) & 0x01), ((u_dadda_rca4_ha1_and0 >> 0) & 0x01), ((u_dadda_rca4_and_3_2 >> 0) & 0x01)) >> 0) & 0x01;
u_dadda_rca4_fa2_or0 = (fa(((u_dadda_rca4_fa1_or0 >> 0) & 0x01), ((u_dadda_rca4_ha1_and0 >> 0) & 0x01), ((u_dadda_rca4_and_3_2 >> 0) & 0x01)) >> 1) & 0x01;
u_dadda_rca4_and_0_0 = and_gate(((a >> 0) & 0x01), ((b >> 0) & 0x01));
u_dadda_rca4_and_1_0 = and_gate(((a >> 1) & 0x01), ((b >> 0) & 0x01));
u_dadda_rca4_and_0_2 = and_gate(((a >> 0) & 0x01), ((b >> 2) & 0x01));
u_dadda_rca4_and_2_3 = and_gate(((a >> 2) & 0x01), ((b >> 3) & 0x01));
u_dadda_rca4_and_0_1 = and_gate(((a >> 0) & 0x01), ((b >> 1) & 0x01));
u_dadda_rca4_and_3_3 = and_gate(((a >> 3) & 0x01), ((b >> 3) & 0x01));
u_dadda_rca4_u_rca6_a |= ((u_dadda_rca4_and_1_0 >> 0) & 0x01ull) << 0;
u_dadda_rca4_u_rca6_a |= ((u_dadda_rca4_and_0_2 >> 0) & 0x01ull) << 1;
u_dadda_rca4_u_rca6_a |= ((u_dadda_rca4_ha0_xor0 >> 0) & 0x01ull) << 2;
u_dadda_rca4_u_rca6_a |= ((u_dadda_rca4_ha1_xor0 >> 0) & 0x01ull) << 3;
u_dadda_rca4_u_rca6_a |= ((u_dadda_rca4_and_2_3 >> 0) & 0x01ull) << 4;
u_dadda_rca4_u_rca6_a |= ((u_dadda_rca4_fa2_or0 >> 0) & 0x01ull) << 5;
u_dadda_rca4_u_rca6_b |= ((u_dadda_rca4_and_0_1 >> 0) & 0x01ull) << 0;
u_dadda_rca4_u_rca6_b |= ((u_dadda_rca4_ha2_xor0 >> 0) & 0x01ull) << 1;
u_dadda_rca4_u_rca6_b |= ((u_dadda_rca4_fa0_xor1 >> 0) & 0x01ull) << 2;
u_dadda_rca4_u_rca6_b |= ((u_dadda_rca4_fa1_xor1 >> 0) & 0x01ull) << 3;
u_dadda_rca4_u_rca6_b |= ((u_dadda_rca4_fa2_xor1 >> 0) & 0x01ull) << 4;
u_dadda_rca4_u_rca6_b |= ((u_dadda_rca4_and_3_3 >> 0) & 0x01ull) << 5;
u_dadda_rca4_u_rca6_out = u_rca6(u_dadda_rca4_u_rca6_a, u_dadda_rca4_u_rca6_b);
u_dadda_rca4_out |= ((u_dadda_rca4_and_0_0 >> 0) & 0x01ull) << 0;
u_dadda_rca4_out |= ((u_dadda_rca4_u_rca6_out >> 0) & 0x01ull) << 1;
u_dadda_rca4_out |= ((u_dadda_rca4_u_rca6_out >> 1) & 0x01ull) << 2;
u_dadda_rca4_out |= ((u_dadda_rca4_u_rca6_out >> 2) & 0x01ull) << 3;
u_dadda_rca4_out |= ((u_dadda_rca4_u_rca6_out >> 3) & 0x01ull) << 4;
u_dadda_rca4_out |= ((u_dadda_rca4_u_rca6_out >> 4) & 0x01ull) << 5;
u_dadda_rca4_out |= ((u_dadda_rca4_u_rca6_out >> 5) & 0x01ull) << 6;
u_dadda_rca4_out |= ((u_dadda_rca4_u_rca6_out >> 6) & 0x01ull) << 7;
return u_dadda_rca4_out;
}