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Merge remote-tracking branch 'origin/master' into eddie/muxpack

This commit is contained in:
Eddie Hung 2019-06-10 10:28:40 -07:00
parent 58f4b106f3 a91ea6612a
commit 1dd7e23a20
3 changed files with 72 additions and 13 deletions
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54
passes/techmap/muxcover.cc
View File

@ -58,12 +58,21 @@ struct MuxcoverWorker
bool use_mux16;
bool nodecode;
int cost_mux2;
int cost_mux4;
int cost_mux8;
int cost_mux16;
MuxcoverWorker(Module *module) : module(module), sigmap(module)
{
use_mux4 = false;
use_mux8 = false;
use_mux16 = false;
nodecode = false;
cost_mux2 = COST_MUX2;
cost_mux4 = COST_MUX4;
cost_mux8 = COST_MUX8;
cost_mux16 = COST_MUX16;
decode_mux_counter = 0;
}
@ -157,7 +166,7 @@ struct MuxcoverWorker
if (std::get<2>(entry))
return 0;
return COST_MUX2 / GetSize(std::get<1>(entry));
return cost_mux2 / GetSize(std::get<1>(entry));
}
void implement_decode_mux(SigBit ctrl_bit)
@ -209,7 +218,7 @@ struct MuxcoverWorker
mux.inputs.push_back(B);
mux.selects.push_back(S1);
mux.cost += COST_MUX2;
mux.cost += cost_mux2;
mux.cost += find_best_cover(tree, A);
mux.cost += find_best_cover(tree, B);
@ -247,7 +256,7 @@ struct MuxcoverWorker
mux.selects.push_back(S1);
mux.selects.push_back(T1);
mux.cost += COST_MUX4;
mux.cost += cost_mux4;
mux.cost += find_best_cover(tree, A);
mux.cost += find_best_cover(tree, B);
mux.cost += find_best_cover(tree, C);
@ -310,7 +319,7 @@ struct MuxcoverWorker
mux.selects.push_back(T1);
mux.selects.push_back(U1);
mux.cost += COST_MUX8;
mux.cost += cost_mux8;
mux.cost += find_best_cover(tree, A);
mux.cost += find_best_cover(tree, B);
mux.cost += find_best_cover(tree, C);
@ -414,7 +423,7 @@ struct MuxcoverWorker
mux.selects.push_back(U1);
mux.selects.push_back(V1);
mux.cost += COST_MUX16;
mux.cost += cost_mux16;
mux.cost += find_best_cover(tree, A);
mux.cost += find_best_cover(tree, B);
mux.cost += find_best_cover(tree, C);
@ -569,9 +578,11 @@ struct MuxcoverPass : public Pass {
log("\n");
log("Cover trees of $_MUX_ cells with $_MUX{4,8,16}_ cells\n");
log("\n");
log(" -mux4, -mux8, -mux16\n");
log(" Use the specified types of MUXes. If none of those options are used,\n");
log(" the effect is the same as if all of them where used.\n");
log(" -mux4[=cost], -mux8[=cost], -mux16[=cost]\n");
log(" Use the specified types of MUXes (with optional integer costs). If none\n");
log(" of these options are given, the effect is the same as if all of them are.\n");
log(" Default costs: $_MUX_ = %d, $_MUX4_ = %d,\n", COST_MUX2, COST_MUX4);
log(" $_MUX8_ = %d, $_MUX16_ = %d\n", COST_MUX8, COST_MUX16);
log("\n");
log(" -nodecode\n");
log(" Do not insert decoder logic. This reduces the number of possible\n");
@ -587,23 +598,39 @@ struct MuxcoverPass : public Pass {
bool use_mux8 = false;
bool use_mux16 = false;
bool nodecode = false;
int cost_mux4 = COST_MUX4;
int cost_mux8 = COST_MUX8;
int cost_mux16 = COST_MUX16;
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++)
{
if (args[argidx] == "-mux4") {
const auto &arg = args[argidx];
if (arg.size() >= 5 && arg.substr(0,5) == "-mux4") {
use_mux4 = true;
if (arg.size() > 5) {
if (arg[5] != '=') break;
cost_mux4 = atoi(arg.substr(5).c_str());
}
continue;
}
if (args[argidx] == "-mux8") {
if (arg.size() >= 5 && arg.substr(0,5) == "-mux8") {
use_mux8 = true;
if (arg.size() > 5) {
if (arg[5] != '=') break;
cost_mux8 = atoi(arg.substr(5).c_str());
}
continue;
}
if (args[argidx] == "-mux16") {
if (arg.size() >= 6 && arg.substr(0,6) == "-mux16") {
use_mux16 = true;
if (arg.size() > 6) {
if (arg[6] != '=') break;
cost_mux16 = atoi(arg.substr(6).c_str());
}
continue;
}
if (args[argidx] == "-nodecode") {
if (arg == "-nodecode") {
nodecode = true;
continue;
}
@ -623,6 +650,9 @@ struct MuxcoverPass : public Pass {
worker.use_mux4 = use_mux4;
worker.use_mux8 = use_mux8;
worker.use_mux16 = use_mux16;
worker.cost_mux4 = cost_mux4;
worker.cost_mux8 = cost_mux8;
worker.cost_mux16 = cost_mux16;
worker.nodecode = nodecode;
worker.run();
}

24
techlibs/ice40/cells_sim.v
View File

@ -973,6 +973,30 @@ parameter RGB1_CURRENT = "0b000000";
parameter RGB2_CURRENT = "0b000000";
endmodule
(* blackbox *)
module SB_LED_DRV_CUR(
input EN,
output LEDPU
);
endmodule
(* blackbox *)
module SB_RGB_DRV(
input RGBLEDEN,
input RGB0PWM,
input RGB1PWM,
input RGB2PWM,
input RGBPU,
output RGB0,
output RGB1,
output RGB2
);
parameter CURRENT_MODE = "0b0";
parameter RGB0_CURRENT = "0b000000";
parameter RGB1_CURRENT = "0b000000";
parameter RGB2_CURRENT = "0b000000";
endmodule
(* blackbox *)
module SB_I2C(
input SBCLKI,

7
tests/aiger/run-test.sh
View File

@ -2,9 +2,14 @@
set -e
# NB: *.aag and *.aig must contain a symbol table naming the primary
# inputs and outputs, otherwise ABC and Yosys will name them
# arbitrarily (and inconsistently with each other).
for aag in *.aag; do
# Since ABC cannot read *.aag, read the *.aig instead
# (which would have been created by the reference aig2aig utility)
# (which would have been created by the reference aig2aig utility,
# available from http://fmv.jku.at/aiger/)
../../yosys-abc -c "read -c ${aag%.*}.aig; write ${aag%.*}_ref.v"
../../yosys -p "
read_verilog ${aag%.*}_ref.v