void bitwise_unary_op(AbstractCellEdgesDatabase *db, RTLIL::Cell *cell)
{
- IdString A = "\\A", Y = "\\Y";
-
- bool is_signed = cell->getParam("\\A_SIGNED").as_bool();
- int a_width = GetSize(cell->getPort(A));
- int y_width = GetSize(cell->getPort(Y));
+ bool is_signed = cell->getParam(ID::A_SIGNED).as_bool();
+ int a_width = GetSize(cell->getPort(ID::A));
+ int y_width = GetSize(cell->getPort(ID::Y));
for (int i = 0; i < y_width; i++)
{
if (i < a_width)
- db->add_edge(cell, A, i, Y, i, -1);
+ db->add_edge(cell, ID::A, i, ID::Y, i, -1);
else if (is_signed && a_width > 0)
- db->add_edge(cell, A, a_width-1, Y, i, -1);
+ db->add_edge(cell, ID::A, a_width-1, ID::Y, i, -1);
}
}
void bitwise_binary_op(AbstractCellEdgesDatabase *db, RTLIL::Cell *cell)
{
- IdString A = "\\A", B = "\\B", Y = "\\Y";
-
- bool is_signed = cell->getParam("\\A_SIGNED").as_bool();
- int a_width = GetSize(cell->getPort(A));
- int b_width = GetSize(cell->getPort(B));
- int y_width = GetSize(cell->getPort(Y));
+ bool is_signed = cell->getParam(ID::A_SIGNED).as_bool();
+ int a_width = GetSize(cell->getPort(ID::A));
+ int b_width = GetSize(cell->getPort(ID::B));
+ int y_width = GetSize(cell->getPort(ID::Y));
- if (cell->type == "$and" && !is_signed) {
+ if (cell->type == ID($and) && !is_signed) {
if (a_width > b_width)
a_width = b_width;
else
for (int i = 0; i < y_width; i++)
{
if (i < a_width)
- db->add_edge(cell, A, i, Y, i, -1);
+ db->add_edge(cell, ID::A, i, ID::Y, i, -1);
else if (is_signed && a_width > 0)
- db->add_edge(cell, A, a_width-1, Y, i, -1);
+ db->add_edge(cell, ID::A, a_width-1, ID::Y, i, -1);
if (i < b_width)
- db->add_edge(cell, B, i, Y, i, -1);
+ db->add_edge(cell, ID::B, i, ID::Y, i, -1);
else if (is_signed && b_width > 0)
- db->add_edge(cell, B, b_width-1, Y, i, -1);
+ db->add_edge(cell, ID::B, b_width-1, ID::Y, i, -1);
}
}
void arith_neg_op(AbstractCellEdgesDatabase *db, RTLIL::Cell *cell)
{
- IdString A = "\\A", Y = "\\Y";
-
- bool is_signed = cell->getParam("\\A_SIGNED").as_bool();
- int a_width = GetSize(cell->getPort(A));
- int y_width = GetSize(cell->getPort(Y));
+ bool is_signed = cell->getParam(ID::A_SIGNED).as_bool();
+ int a_width = GetSize(cell->getPort(ID::A));
+ int y_width = GetSize(cell->getPort(ID::Y));
if (is_signed && a_width == 1)
y_width = std::min(y_width, 1);
for (int i = 0; i < y_width; i++)
for (int k = 0; k <= i && k < a_width; k++)
- db->add_edge(cell, A, k, Y, i, -1);
+ db->add_edge(cell, ID::A, k, ID::Y, i, -1);
}
void arith_binary_op(AbstractCellEdgesDatabase *db, RTLIL::Cell *cell)
{
- IdString A = "\\A", B = "\\B", Y = "\\Y";
-
- bool is_signed = cell->getParam("\\A_SIGNED").as_bool();
- int a_width = GetSize(cell->getPort(A));
- int b_width = GetSize(cell->getPort(B));
- int y_width = GetSize(cell->getPort(Y));
+ bool is_signed = cell->getParam(ID::A_SIGNED).as_bool();
+ int a_width = GetSize(cell->getPort(ID::A));
+ int b_width = GetSize(cell->getPort(ID::B));
+ int y_width = GetSize(cell->getPort(ID::Y));
- if (!is_signed && cell->type != "$sub") {
+ if (!is_signed && cell->type != ID($sub)) {
int ab_width = std::max(a_width, b_width);
y_width = std::min(y_width, ab_width+1);
}
for (int k = 0; k <= i; k++)
{
if (k < a_width)
- db->add_edge(cell, A, k, Y, i, -1);
+ db->add_edge(cell, ID::A, k, ID::Y, i, -1);
if (k < b_width)
- db->add_edge(cell, B, k, Y, i, -1);
+ db->add_edge(cell, ID::B, k, ID::Y, i, -1);
}
}
}
void reduce_op(AbstractCellEdgesDatabase *db, RTLIL::Cell *cell)
{
- IdString A = "\\A", Y = "\\Y";
-
- int a_width = GetSize(cell->getPort(A));
+ int a_width = GetSize(cell->getPort(ID::A));
for (int i = 0; i < a_width; i++)
- db->add_edge(cell, A, i, Y, 0, -1);
+ db->add_edge(cell, ID::A, i, ID::Y, 0, -1);
}
void compare_op(AbstractCellEdgesDatabase *db, RTLIL::Cell *cell)
{
- IdString A = "\\A", B = "\\B", Y = "\\Y";
-
- int a_width = GetSize(cell->getPort(A));
- int b_width = GetSize(cell->getPort(B));
+ int a_width = GetSize(cell->getPort(ID::A));
+ int b_width = GetSize(cell->getPort(ID::B));
for (int i = 0; i < a_width; i++)
- db->add_edge(cell, A, i, Y, 0, -1);
+ db->add_edge(cell, ID::A, i, ID::Y, 0, -1);
for (int i = 0; i < b_width; i++)
- db->add_edge(cell, B, i, Y, 0, -1);
+ db->add_edge(cell, ID::B, i, ID::Y, 0, -1);
}
void mux_op(AbstractCellEdgesDatabase *db, RTLIL::Cell *cell)
{
- IdString A = "\\A", B = "\\B", S = "\\S", Y = "\\Y";
-
- int a_width = GetSize(cell->getPort(A));
- int b_width = GetSize(cell->getPort(B));
- int s_width = GetSize(cell->getPort(S));
+ int a_width = GetSize(cell->getPort(ID::A));
+ int b_width = GetSize(cell->getPort(ID::B));
+ int s_width = GetSize(cell->getPort(ID::S));
for (int i = 0; i < a_width; i++)
{
- db->add_edge(cell, A, i, Y, i, -1);
+ db->add_edge(cell, ID::A, i, ID::Y, i, -1);
for (int k = i; k < b_width; k += a_width)
- db->add_edge(cell, B, k, Y, i, -1);
+ db->add_edge(cell, ID::B, k, ID::Y, i, -1);
for (int k = 0; k < s_width; k++)
- db->add_edge(cell, S, k, Y, i, -1);
+ db->add_edge(cell, ID::S, k, ID::Y, i, -1);
}
}
bool YOSYS_NAMESPACE_PREFIX AbstractCellEdgesDatabase::add_edges_from_cell(RTLIL::Cell *cell)
{
- if (cell->type.in("$not", "$pos")) {
+ if (cell->type.in(ID($not), ID($pos))) {
bitwise_unary_op(this, cell);
return true;
}
- if (cell->type.in("$and", "$or", "$xor", "$xnor")) {
+ if (cell->type.in(ID($and), ID($or), ID($xor), ID($xnor))) {
bitwise_binary_op(this, cell);
return true;
}
- if (cell->type == "$neg") {
+ if (cell->type == ID($neg)) {
arith_neg_op(this, cell);
return true;
}
- if (cell->type.in("$add", "$sub")) {
+ if (cell->type.in(ID($add), ID($sub))) {
arith_binary_op(this, cell);
return true;
}
- if (cell->type.in("$reduce_and", "$reduce_or", "$reduce_xor", "$reduce_xnor", "$reduce_bool", "$logic_not")) {
+ if (cell->type.in(ID($reduce_and), ID($reduce_or), ID($reduce_xor), ID($reduce_xnor), ID($reduce_bool), ID($logic_not))) {
reduce_op(this, cell);
return true;
}
// FIXME:
- // if (cell->type.in("$shl", "$shr", "$sshl", "$sshr", "$shift", "$shiftx")) {
+ // if (cell->type.in(ID($shl), ID($shr), ID($sshl), ID($sshr), ID($shift), ID($shiftx))) {
// shift_op(this, cell);
// return true;
// }
- if (cell->type.in("$lt", "$le", "$eq", "$ne", "$eqx", "$nex", "$ge", "$gt")) {
+ if (cell->type.in(ID($lt), ID($le), ID($eq), ID($ne), ID($eqx), ID($nex), ID($ge), ID($gt))) {
compare_op(this, cell);
return true;
}
- if (cell->type.in("$mux", "$pmux")) {
+ if (cell->type.in(ID($mux), ID($pmux))) {
mux_op(this, cell);
return true;
}