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authorDavid Shah <davey1576@gmail.com>2018-06-19 13:35:01 +0200
committerDavid Shah <davey1576@gmail.com>2018-06-19 13:35:01 +0200
commit7abfd3677318152e1ff70d68a6664422b7efe5e6 (patch)
treeef50675fd3175ae026bc13dfcc9537bf6c5ddb71
parentd2ff5fec0812b149c5938fcc388b8efa033f40e6 (diff)
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ice40: Don't deduplicate local tracks when counting
Signed-off-by: David Shah <davey1576@gmail.com>
-rw-r--r--ice40/arch_place.cc19
-rw-r--r--python/dump_design.py4
2 files changed, 11 insertions, 12 deletions
diff --git a/ice40/arch_place.cc b/ice40/arch_place.cc
index 6223c801..c8806852 100644
--- a/ice40/arch_place.cc
+++ b/ice40/arch_place.cc
@@ -39,8 +39,7 @@ static bool logicCellsCompatible(const Context *ctx,
{
bool dffs_exist = false, dffs_neg = false;
const NetInfo *cen = nullptr, *clk = nullptr, *sr = nullptr;
- static std::unordered_set<IdString> locals;
- locals.clear();
+ int locals_count = 0;
for (auto cell : cells) {
if (bool_or_default(cell->params, "DFF_ENABLE")) {
@@ -51,11 +50,11 @@ static bool logicCellsCompatible(const Context *ctx,
sr = get_net_or_empty(cell, "SR");
if (!is_global_net(ctx, cen) && cen != nullptr)
- locals.insert(cen->name);
+ locals_count++;
if (!is_global_net(ctx, clk) && clk != nullptr)
- locals.insert(clk->name);
+ locals_count++;
if (!is_global_net(ctx, sr) && sr != nullptr)
- locals.insert(sr->name);
+ locals_count++;
if (bool_or_default(cell->params, "NEG_CLK")) {
dffs_neg = true;
@@ -77,16 +76,16 @@ static bool logicCellsCompatible(const Context *ctx,
*i2 = get_net_or_empty(cell, "I2"),
*i3 = get_net_or_empty(cell, "I3");
if (i0 != nullptr)
- locals.insert(i0->name);
+ locals_count++;
if (i1 != nullptr)
- locals.insert(i1->name);
+ locals_count++;
if (i2 != nullptr)
- locals.insert(i2->name);
+ locals_count++;
if (i3 != nullptr)
- locals.insert(i3->name);
+ locals_count++;
}
- return locals.size() <= 32;
+ return locals_count <= 32;
}
bool isBelLocationValid(Context *ctx, BelId bel)
diff --git a/python/dump_design.py b/python/dump_design.py
index 3408ef9d..37309f6f 100644
--- a/python/dump_design.py
+++ b/python/dump_design.py
@@ -1,5 +1,5 @@
# Run ./nextpnr-ice40 --json ice40/blinky.json --run python/dump_design.py
-for cell, cinfo in sorted(design.cells, key=lambda x: x.first):
+for cell, cinfo in sorted(ctx.cells, key=lambda x: x.first):
print("Cell {} : {}".format(cell, cinfo.type))
print("\tPorts:")
for port, pinfo in sorted(cinfo.ports, key=lambda x: x.first):
@@ -21,5 +21,5 @@ for cell, cinfo in sorted(design.cells, key=lambda x: x.first):
print("\t\t{}: {}".format(param, val))
if cinfo.bel.index != -1:
- print("\tBel: {}".format(chip.getBelName(cinfo.bel)))
+ print("\tBel: {}".format(ctx.getBelName(cinfo.bel)))
print()