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SigSpec refactoring: renamed chunks and width to __chunks and __width

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This commit is contained in:
Clifford Wolf 2014-07-22 19:56:17 +02:00
parent 3b5f4ff39c
commit a233762a81
62 changed files with 954 additions and 951 deletions
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92
passes/opt/opt_const.cc
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@ -56,13 +56,13 @@ static void replace_undriven(RTLIL::Design *design, RTLIL::Module *module)
all_signals.del(driven_signals);
RTLIL::SigSpec undriven_signals = all_signals.export_all();
for (auto &c : undriven_signals.chunks)
for (auto &c : undriven_signals.__chunks)
{
RTLIL::SigSpec sig = c;
if (c.wire->name[0] == '$')
sig = used_signals.extract(sig);
if (sig.width == 0)
if (sig.__width == 0)
continue;
log("Setting undriven signal in %s to undef: %s\n", RTLIL::id2cstr(module->name), log_signal(c));
@ -74,7 +74,7 @@ static void replace_undriven(RTLIL::Design *design, RTLIL::Module *module)
static void replace_cell(RTLIL::Module *module, RTLIL::Cell *cell, std::string info, std::string out_port, RTLIL::SigSpec out_val)
{
RTLIL::SigSpec Y = cell->connections[out_port];
out_val.extend_u0(Y.width, false);
out_val.extend_u0(Y.__width, false);
log("Replacing %s cell `%s' (%s) in module `%s' with constant driver `%s = %s'.\n",
cell->type.c_str(), cell->name.c_str(), info.c_str(),
@ -99,11 +99,11 @@ static bool group_cell_inputs(RTLIL::Module *module, RTLIL::Cell *cell, bool com
RTLIL::SigSpec sig_y = sigmap(cell->connections.at("\\Y"));
if (extend_u0) {
sig_a.extend_u0(sig_y.width, a_signed);
sig_b.extend_u0(sig_y.width, b_signed);
sig_a.extend_u0(sig_y.__width, a_signed);
sig_b.extend_u0(sig_y.__width, b_signed);
} else {
sig_a.extend(sig_y.width, a_signed);
sig_b.extend(sig_y.width, b_signed);
sig_a.extend(sig_y.__width, a_signed);
sig_b.extend(sig_y.__width, b_signed);
}
std::vector<RTLIL::SigBit> bits_a = sig_a, bits_b = sig_b, bits_y = sig_y;
@ -153,7 +153,7 @@ static bool group_cell_inputs(RTLIL::Module *module, RTLIL::Cell *cell, bool com
for (auto &it : grouped_bits[i]) {
for (auto &bit : it.second) {
new_conn.first.append_bit(bit);
new_conn.second.append_bit(RTLIL::SigBit(new_y, new_a.width));
new_conn.second.append_bit(RTLIL::SigBit(new_y, new_a.__width));
}
new_a.append_bit(it.first.first);
new_b.append_bit(it.first.second);
@ -162,12 +162,12 @@ static bool group_cell_inputs(RTLIL::Module *module, RTLIL::Cell *cell, bool com
RTLIL::Cell *c = module->addCell(NEW_ID, cell->type);
c->connections["\\A"] = new_a;
c->parameters["\\A_WIDTH"] = new_a.width;
c->parameters["\\A_WIDTH"] = new_a.__width;
c->parameters["\\A_SIGNED"] = false;
if (b_name == "\\B") {
c->connections["\\B"] = new_b;
c->parameters["\\B_WIDTH"] = new_b.width;
c->parameters["\\B_WIDTH"] = new_b.__width;
c->parameters["\\B_SIGNED"] = false;
}
@ -202,7 +202,7 @@ static void replace_const_cells(RTLIL::Design *design, RTLIL::Module *module, bo
for (auto &cell_it : module->cells)
if (design->selected(module, cell_it.second)) {
if ((cell_it.second->type == "$_INV_" || cell_it.second->type == "$not" || cell_it.second->type == "$logic_not") &&
cell_it.second->connections["\\A"].width == 1 && cell_it.second->connections["\\Y"].width == 1)
cell_it.second->connections["\\A"].__width == 1 && cell_it.second->connections["\\Y"].__width == 1)
invert_map[assign_map(cell_it.second->connections["\\Y"])] = assign_map(cell_it.second->connections["\\A"]);
cells.push_back(cell_it.second);
}
@ -334,12 +334,12 @@ static void replace_const_cells(RTLIL::Design *design, RTLIL::Module *module, bo
cell->type == "$lt" || cell->type == "$le" || cell->type == "$ge" || cell->type == "$gt")
replace_cell(module, cell, "x-bit in input", "\\Y", RTLIL::State::Sx);
else
replace_cell(module, cell, "x-bit in input", "\\Y", RTLIL::SigSpec(RTLIL::State::Sx, cell->connections.at("\\Y").width));
replace_cell(module, cell, "x-bit in input", "\\Y", RTLIL::SigSpec(RTLIL::State::Sx, cell->connections.at("\\Y").__width));
goto next_cell;
}
}
if ((cell->type == "$_INV_" || cell->type == "$not" || cell->type == "$logic_not") && cell->connections["\\Y"].width == 1 &&
if ((cell->type == "$_INV_" || cell->type == "$not" || cell->type == "$logic_not") && cell->connections["\\Y"].__width == 1 &&
invert_map.count(assign_map(cell->connections["\\A"])) != 0) {
replace_cell(module, cell, "double_invert", "\\Y", invert_map.at(assign_map(cell->connections["\\A"])));
goto next_cell;
@ -460,35 +460,35 @@ static void replace_const_cells(RTLIL::Design *design, RTLIL::Module *module, bo
RTLIL::SigSpec new_a, new_b;
a.expand(), b.expand();
assert(a.chunks.size() == b.chunks.size());
for (size_t i = 0; i < a.chunks.size(); i++) {
if (a.chunks[i].wire == NULL && b.chunks[i].wire == NULL && a.chunks[i].data.bits[0] != b.chunks[i].data.bits[0] &&
a.chunks[i].data.bits[0] <= RTLIL::State::S1 && b.chunks[i].data.bits[0] <= RTLIL::State::S1) {
assert(a.__chunks.size() == b.__chunks.size());
for (size_t i = 0; i < a.__chunks.size(); i++) {
if (a.__chunks[i].wire == NULL && b.__chunks[i].wire == NULL && a.__chunks[i].data.bits[0] != b.__chunks[i].data.bits[0] &&
a.__chunks[i].data.bits[0] <= RTLIL::State::S1 && b.__chunks[i].data.bits[0] <= RTLIL::State::S1) {
RTLIL::SigSpec new_y = RTLIL::SigSpec((cell->type == "$eq" || cell->type == "$eqx") ? RTLIL::State::S0 : RTLIL::State::S1);
new_y.extend(cell->parameters["\\Y_WIDTH"].as_int(), false);
replace_cell(module, cell, "empty", "\\Y", new_y);
goto next_cell;
}
if (a.chunks[i] == b.chunks[i])
if (a.__chunks[i] == b.__chunks[i])
continue;
new_a.append(a.chunks[i]);
new_b.append(b.chunks[i]);
new_a.append(a.__chunks[i]);
new_b.append(b.__chunks[i]);
}
if (new_a.width == 0) {
if (new_a.__width == 0) {
RTLIL::SigSpec new_y = RTLIL::SigSpec((cell->type == "$eq" || cell->type == "$eqx") ? RTLIL::State::S1 : RTLIL::State::S0);
new_y.extend(cell->parameters["\\Y_WIDTH"].as_int(), false);
replace_cell(module, cell, "empty", "\\Y", new_y);
goto next_cell;
}
if (new_a.width < a.width || new_b.width < b.width) {
if (new_a.__width < a.__width || new_b.__width < b.__width) {
new_a.optimize();
new_b.optimize();
cell->connections["\\A"] = new_a;
cell->connections["\\B"] = new_b;
cell->parameters["\\A_WIDTH"] = new_a.width;
cell->parameters["\\B_WIDTH"] = new_b.width;
cell->parameters["\\A_WIDTH"] = new_a.__width;
cell->parameters["\\B_WIDTH"] = new_b.__width;
}
}
@ -550,10 +550,10 @@ static void replace_const_cells(RTLIL::Design *design, RTLIL::Module *module, bo
RTLIL::SigSpec a = assign_map(cell->connections["\\A"]);
RTLIL::SigSpec b = assign_map(cell->connections["\\B"]);
if (a.is_fully_const() && a.width <= 32 && a.as_int() == 1)
if (a.is_fully_const() && a.__width <= 32 && a.as_int() == 1)
identity_wrt_b = true;
if (b.is_fully_const() && b.width <= 32 && b.as_int() == 1)
if (b.is_fully_const() && b.__width <= 32 && b.as_int() == 1)
identity_wrt_a = true;
}
@ -561,7 +561,7 @@ static void replace_const_cells(RTLIL::Design *design, RTLIL::Module *module, bo
{
RTLIL::SigSpec b = assign_map(cell->connections["\\B"]);
if (b.is_fully_const() && b.width <= 32 && b.as_int() == 1)
if (b.is_fully_const() && b.__width <= 32 && b.as_int() == 1)
identity_wrt_a = true;
}
@ -650,13 +650,13 @@ static void replace_const_cells(RTLIL::Design *design, RTLIL::Module *module, bo
if (mux_undef && (cell->type == "$mux" || cell->type == "$pmux")) {
RTLIL::SigSpec new_a, new_b, new_s;
int width = cell->connections.at("\\A").width;
int width = cell->connections.at("\\A").__width;
if ((cell->connections.at("\\A").is_fully_undef() && cell->connections.at("\\B").is_fully_undef()) ||
cell->connections.at("\\S").is_fully_undef()) {
replace_cell(module, cell, "mux undef", "\\Y", cell->connections.at("\\A"));
goto next_cell;
}
for (int i = 0; i < cell->connections.at("\\S").width; i++) {
for (int i = 0; i < cell->connections.at("\\S").__width; i++) {
RTLIL::SigSpec old_b = cell->connections.at("\\B").extract(i*width, width);
RTLIL::SigSpec old_s = cell->connections.at("\\S").extract(i, 1);
if (old_b.is_fully_undef() || old_s.is_fully_undef())
@ -665,12 +665,12 @@ static void replace_const_cells(RTLIL::Design *design, RTLIL::Module *module, bo
new_s.append(old_s);
}
new_a = cell->connections.at("\\A");
if (new_a.is_fully_undef() && new_s.width > 0) {
new_a = new_b.extract((new_s.width-1)*width, width);
new_b = new_b.extract(0, (new_s.width-1)*width);
new_s = new_s.extract(0, new_s.width-1);
if (new_a.is_fully_undef() && new_s.__width > 0) {
new_a = new_b.extract((new_s.__width-1)*width, width);
new_b = new_b.extract(0, (new_s.__width-1)*width);
new_s = new_s.extract(0, new_s.__width-1);
}
if (new_s.width == 0) {
if (new_s.__width == 0) {
replace_cell(module, cell, "mux undef", "\\Y", new_a);
goto next_cell;
}
@ -678,13 +678,13 @@ static void replace_const_cells(RTLIL::Design *design, RTLIL::Module *module, bo
replace_cell(module, cell, "mux undef", "\\Y", new_s);
goto next_cell;
}
if (cell->connections.at("\\S").width != new_s.width) {
if (cell->connections.at("\\S").__width != new_s.__width) {
cell->connections.at("\\A") = new_a;
cell->connections.at("\\B") = new_b;
cell->connections.at("\\S") = new_s;
if (new_s.width > 1) {
if (new_s.__width > 1) {
cell->type = "$pmux";
cell->parameters["\\S_WIDTH"] = new_s.width;
cell->parameters["\\S_WIDTH"] = new_s.__width;
} else {
cell->type = "$mux";
cell->parameters.erase("\\S_WIDTH");
@ -700,9 +700,9 @@ static void replace_const_cells(RTLIL::Design *design, RTLIL::Module *module, bo
assign_map.apply(a); \
if (a.is_fully_const()) { \
a.optimize(); \
if (a.chunks.empty()) a.chunks.push_back(RTLIL::SigChunk()); \
if (a.__chunks.empty()) a.__chunks.push_back(RTLIL::SigChunk()); \
RTLIL::Const dummy_arg(RTLIL::State::S0, 1); \
RTLIL::SigSpec y(RTLIL::const_ ## _t(a.chunks[0].data, dummy_arg, \
RTLIL::SigSpec y(RTLIL::const_ ## _t(a.__chunks[0].data, dummy_arg, \
cell->parameters["\\A_SIGNED"].as_bool(), false, \
cell->parameters["\\Y_WIDTH"].as_int())); \
replace_cell(module, cell, stringf("%s", log_signal(a)), "\\Y", y); \
@ -716,9 +716,9 @@ static void replace_const_cells(RTLIL::Design *design, RTLIL::Module *module, bo
assign_map.apply(a), assign_map.apply(b); \
if (a.is_fully_const() && b.is_fully_const()) { \
a.optimize(), b.optimize(); \
if (a.chunks.empty()) a.chunks.push_back(RTLIL::SigChunk()); \
if (b.chunks.empty()) b.chunks.push_back(RTLIL::SigChunk()); \
RTLIL::SigSpec y(RTLIL::const_ ## _t(a.chunks[0].data, b.chunks[0].data, \
if (a.__chunks.empty()) a.__chunks.push_back(RTLIL::SigChunk()); \
if (b.__chunks.empty()) b.__chunks.push_back(RTLIL::SigChunk()); \
RTLIL::SigSpec y(RTLIL::const_ ## _t(a.__chunks[0].data, b.__chunks[0].data, \
cell->parameters["\\A_SIGNED"].as_bool(), \
cell->parameters["\\B_SIGNED"].as_bool(), \
cell->parameters["\\Y_WIDTH"].as_int())); \
@ -787,10 +787,10 @@ static void replace_const_cells(RTLIL::Design *design, RTLIL::Module *module, bo
RTLIL::SigSpec sig_b = assign_map(cell->connections["\\B"]);
RTLIL::SigSpec sig_y = assign_map(cell->connections["\\Y"]);
if (sig_b.is_fully_const() && sig_b.width <= 32)
if (sig_b.is_fully_const() && sig_b.__width <= 32)
std::swap(sig_a, sig_b), std::swap(a_signed, b_signed), swapped_ab = true;
if (sig_a.is_fully_def() && sig_a.width <= 32)
if (sig_a.is_fully_def() && sig_a.__width <= 32)
{
int a_val = sig_a.as_int();
@ -799,7 +799,7 @@ static void replace_const_cells(RTLIL::Design *design, RTLIL::Module *module, bo
log("Replacing multiply-by-zero cell `%s' in module `%s' with zero-driver.\n",
cell->name.c_str(), module->name.c_str());
module->connections.push_back(RTLIL::SigSig(sig_y, RTLIL::SigSpec(0, sig_y.width)));
module->connections.push_back(RTLIL::SigSig(sig_y, RTLIL::SigSpec(0, sig_y.__width)));
module->remove(cell);
OPT_DID_SOMETHING = true;
@ -807,7 +807,7 @@ static void replace_const_cells(RTLIL::Design *design, RTLIL::Module *module, bo
goto next_cell;
}
for (int i = 1; i < (a_signed ? sig_a.width-1 : sig_a.width); i++)
for (int i = 1; i < (a_signed ? sig_a.__width-1 : sig_a.__width); i++)
if (a_val == (1 << i))
{
log("Replacing multiply-by-%d cell `%s' in module `%s' with shift-by-%d.\n",