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-rw-r--r--common/nextpnr.h39
-rw-r--r--common/place.cc4
-rw-r--r--common/rulecheck.cc13
-rw-r--r--frontend/json/jsonparse.cc10
-rw-r--r--ice40/cells.cc6
-rw-r--r--ice40/chip.h9
-rw-r--r--ice40/pack.cc4
7 files changed, 61 insertions, 24 deletions
diff --git a/common/nextpnr.h b/common/nextpnr.h
index 0c74c1ad..bc92719f 100644
--- a/common/nextpnr.h
+++ b/common/nextpnr.h
@@ -41,8 +41,43 @@
NEXTPNR_NAMESPACE_BEGIN
-// replace with proper IdString later
-typedef std::string IdString;
+struct IdString
+{
+ std::string data;
+
+ IdString() {}
+ IdString(std::string s) : data(s) {}
+ IdString(const char *s) : data(s) {}
+
+ const char *c_str() const { return data.c_str(); }
+ const std::string &str() const { return data; }
+
+ operator const char *() const { return c_str(); }
+ operator const std::string &() const { return str(); }
+
+ bool operator<(const IdString &other) const { return data < other.data; }
+ bool operator==(const IdString &other) const { return data == other.data; }
+ bool operator==(const std::string &s) const { return data == s; }
+ bool operator==(const char *s) const { return data == s; }
+
+ size_t size() const { return data.size(); }
+ bool empty() const { return data.empty(); }
+};
+
+NEXTPNR_NAMESPACE_END
+
+namespace std {
+template <> struct hash<NEXTPNR_NAMESPACE_PREFIX IdString>
+{
+ std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX IdString &obj) const
+ noexcept
+ {
+ return std::hash<std::string>()(obj.data);
+ }
+};
+}
+
+NEXTPNR_NAMESPACE_BEGIN
struct GraphicElement
{
diff --git a/common/place.cc b/common/place.cc
index e8fadd16..007fc748 100644
--- a/common/place.cc
+++ b/common/place.cc
@@ -100,7 +100,7 @@ void place_design(Design *design)
if (cell->bel != BelId())
continue;
// Only place one type of Bel at a time
- if (cell->type.compare(bel_type_name) != 0)
+ if (cell->type != bel_type_name)
continue;
while ((bi != blist.end()) &&
@@ -115,7 +115,7 @@ void place_design(Design *design)
design->chip.bindBel(cell->bel, cell->name);
// Back annotate location
- cell->attrs["BEL"] = design->chip.getBelName(cell->bel);
+ cell->attrs["BEL"] = design->chip.getBelName(cell->bel).str();
}
}
}
diff --git a/common/rulecheck.cc b/common/rulecheck.cc
index c0139a85..987eb602 100644
--- a/common/rulecheck.cc
+++ b/common/rulecheck.cc
@@ -24,7 +24,7 @@ bool check_all_nets_driven(Design *design)
log_info(" Checking name of port \'%s\' "
"against \'%s\'\n",
port_entry.first.c_str(), port.name.c_str());
- assert(port.name.compare(port_entry.first) == 0);
+ assert(port.name == port_entry.first);
assert(port.name.size() > 0);
if (port.net == NULL) {
@@ -45,10 +45,9 @@ bool check_all_nets_driven(Design *design)
for (auto net_entry : design->nets) {
NetInfo *net = net_entry.second;
- assert(net->name.compare(net_entry.first) == 0);
- if ((net->driver.cell != NULL) &&
- (net->driver.cell->type.compare("GND") != 0) &&
- (net->driver.cell->type.compare("VCC") != 0)) {
+ assert(net->name == net_entry.first);
+ if ((net->driver.cell != NULL) && (net->driver.cell->type != "GND") &&
+ (net->driver.cell->type != "VCC")) {
if (debug)
log_info(" Checking for a driver cell named \'%s\'\n",
@@ -57,8 +56,8 @@ bool check_all_nets_driven(Design *design)
}
for (auto user : net->users) {
- if ((user.cell != NULL) && (user.cell->type.compare("GND") != 0) &&
- (user.cell->type.compare("VCC") != 0)) {
+ if ((user.cell != NULL) && (user.cell->type != "GND") &&
+ (user.cell->type != "VCC")) {
if (debug)
log_info(" Checking for a user cell named \'%s\'\n",
diff --git a/frontend/json/jsonparse.cc b/frontend/json/jsonparse.cc
index 5f394217..3f965ce4 100644
--- a/frontend/json/jsonparse.cc
+++ b/frontend/json/jsonparse.cc
@@ -224,10 +224,10 @@ NetInfo *ground_net(NetInfo *net)
PortInfo port_info;
PortRef port_ref;
- cell->name = string(net->name + ".GND");
+ cell->name = string(net->name.str() + ".GND");
cell->type = string("GND");
- port_info.name = cell->name + "[]";
+ port_info.name = cell->name.str() + "[]";
port_info.net = net;
port_info.type = PORT_OUT;
@@ -247,10 +247,10 @@ NetInfo *vcc_net(NetInfo *net)
PortInfo port_info;
PortRef port_ref;
- cell->name = string(net->name + ".VCC");
+ cell->name = string(net->name.str() + ".VCC");
cell->type = string("VCC");
- port_info.name = cell->name + "[]";
+ port_info.name = cell->name.str() + "[]";
port_info.net = net;
port_info.type = PORT_OUT;
@@ -269,7 +269,7 @@ NetInfo *floating_net(NetInfo *net)
PortInfo port_info;
PortRef port_ref;
- port_info.name = net->name + ".floating";
+ port_info.name = net->name.str() + ".floating";
port_info.net = net;
port_info.type = PORT_OUT;
diff --git a/ice40/cells.cc b/ice40/cells.cc
index 004bdb30..ad728d2c 100644
--- a/ice40/cells.cc
+++ b/ice40/cells.cc
@@ -33,8 +33,8 @@ CellInfo *create_ice_cell(Design *design, IdString type, IdString name)
static int auto_idx = 0;
CellInfo *new_cell = new CellInfo();
if (name == IdString()) {
- new_cell->name =
- IdString("$nextpnr_" + type + "_" + std::to_string(auto_idx++));
+ new_cell->name = IdString("$nextpnr_" + type.str() + "_" +
+ std::to_string(auto_idx++));
} else {
new_cell->name = name;
}
@@ -82,7 +82,7 @@ void lut_to_lc(CellInfo *lut, CellInfo *lc, bool no_dff)
void dff_to_lc(CellInfo *dff, CellInfo *lc, bool pass_thru_lut)
{
lc->params["DFF_ENABLE"] = "1";
- std::string config = std::string(dff->type).substr(6);
+ std::string config = dff->type.str().substr(6);
auto citer = config.begin();
replace_port(dff, "C", lc, "CLK");
diff --git a/ice40/chip.h b/ice40/chip.h
index 96416c04..73e8d33b 100644
--- a/ice40/chip.h
+++ b/ice40/chip.h
@@ -217,7 +217,8 @@ NEXTPNR_NAMESPACE_END
namespace std {
template <> struct hash<NEXTPNR_NAMESPACE_PREFIX BelId>
{
- std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX BelId &bel) const noexcept
+ std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX BelId &bel) const
+ noexcept
{
return bel.index;
}
@@ -225,7 +226,8 @@ template <> struct hash<NEXTPNR_NAMESPACE_PREFIX BelId>
template <> struct hash<NEXTPNR_NAMESPACE_PREFIX WireId>
{
- std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX WireId &wire) const noexcept
+ std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX WireId &wire) const
+ noexcept
{
return wire.index;
}
@@ -233,7 +235,8 @@ template <> struct hash<NEXTPNR_NAMESPACE_PREFIX WireId>
template <> struct hash<NEXTPNR_NAMESPACE_PREFIX PipId>
{
- std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX PipId &wire) const noexcept
+ std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX PipId &wire) const
+ noexcept
{
return wire.index;
}
diff --git a/ice40/pack.cc b/ice40/pack.cc
index a6e17378..a971dcc3 100644
--- a/ice40/pack.cc
+++ b/ice40/pack.cc
@@ -38,7 +38,7 @@ static void pack_lut_lutffs(Design *design)
ci->type.c_str());
if (is_lut(ci)) {
CellInfo *packed = create_ice_cell(design, "ICESTORM_LC",
- std::string(ci->name) + "_LC");
+ ci->name.str() + "_LC");
packed_cells.insert(ci->name);
new_cells.push_back(packed);
log_info("packed cell %s into %s\n", ci->name.c_str(),
@@ -77,7 +77,7 @@ static void pack_nonlut_ffs(Design *design)
CellInfo *ci = cell.second;
if (is_ff(ci)) {
CellInfo *packed = create_ice_cell(design, "ICESTORM_LC",
- std::string(ci->name) + "_LC");
+ ci->name.str() + "_LC");
packed_cells.insert(ci->name);
new_cells.push_back(packed);
dff_to_lc(ci, packed, true);