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-rw-r--r--frontends/aiger/aigerparse.cc5
-rw-r--r--passes/techmap/abc9.cc6
-rw-r--r--techlibs/xilinx/abc9_map.v8
-rw-r--r--techlibs/xilinx/abc9_model.v3
-rw-r--r--tests/simple_abc9/abc9.v9
-rw-r--r--tests/various/abc9.v2
-rw-r--r--tests/various/abc9.ys2
7 files changed, 22 insertions, 13 deletions
diff --git a/frontends/aiger/aigerparse.cc b/frontends/aiger/aigerparse.cc
index 4b66af3ad..9374f1ab3 100644
--- a/frontends/aiger/aigerparse.cc
+++ b/frontends/aiger/aigerparse.cc
@@ -432,7 +432,7 @@ void AigerReader::parse_xaiger(const dict<int,IdString> &box_lookup)
else if (c == 'r') {
uint32_t dataSize YS_ATTRIBUTE(unused) = parse_xaiger_literal(f);
flopNum = parse_xaiger_literal(f);
- log_debug("flopNum: %u\n", flopNum);
+ log_debug("flopNum = %u\n", flopNum);
log_assert(dataSize == (flopNum+1) * sizeof(uint32_t));
f.ignore(flopNum * sizeof(uint32_t));
}
@@ -464,9 +464,10 @@ void AigerReader::parse_xaiger(const dict<int,IdString> &box_lookup)
boxes.emplace_back(cell);
}
}
- else if (c == 'a' || c == 'i' || c == 'o') {
+ else if (c == 'a' || c == 'i' || c == 'o' || c == 's') {
uint32_t dataSize = parse_xaiger_literal(f);
f.ignore(dataSize);
+ log_debug("ignoring '%c'\n", c);
}
else {
break;
diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc
index 34cdd3c3e..8d4ff4025 100644
--- a/passes/techmap/abc9.cc
+++ b/passes/techmap/abc9.cc
@@ -1108,8 +1108,8 @@ struct Abc9Pass : public Pass {
std::map<RTLIL::Cell*, std::set<RTLIL::SigBit>> cell_to_bit, cell_to_bit_up, cell_to_bit_down;
std::map<RTLIL::SigBit, std::set<RTLIL::Cell*>> bit_to_cell, bit_to_cell_up, bit_to_cell_down;
- typedef std::pair<IdString, SigSpec> endomain_t;
- std::map<endomain_t, int> mergeability_class;
+ typedef std::pair<IdString, SigSpec> ctrldomain_t;
+ std::map<ctrldomain_t, int> mergeability_class;
for (auto cell : all_cells) {
for (auto &conn : cell->connections())
@@ -1149,7 +1149,7 @@ struct Abc9Pass : public Pass {
assigned_cells[abc9_clock].insert(cell->name);
assigned_cells_reverse[cell] = abc9_clock;
- endomain_t key(cell->type, abc9_control);
+ ctrldomain_t key(cell->type, abc9_control);
auto r = mergeability_class.emplace(key, mergeability_class.size() + 1);
auto YS_ATTRIBUTE(unused) r2 = cell->attributes.insert(std::make_pair(ID(abc9_mergeability), r.first->second));
log_assert(r2.second);
diff --git a/techlibs/xilinx/abc9_map.v b/techlibs/xilinx/abc9_map.v
index fc224e832..9913b229f 100644
--- a/techlibs/xilinx/abc9_map.v
+++ b/techlibs/xilinx/abc9_map.v
@@ -96,7 +96,7 @@ module FDRE_1 (output reg Q, input C, CE, D, R);
parameter [0:0] INIT = 1'b0;
wire $nextQ;
FDRE_1 #(
- .INIT(|0),
+ .INIT(INIT),
) _TECHMAP_REPLACE_ (
.D(D), .Q($nextQ), .C(C), .CE(CE), .R(R)
);
@@ -209,7 +209,7 @@ module FDPE_1 (output reg Q, input C, CE, D, PRE);
endmodule
module FDSE (output reg Q, input C, CE, D, S);
- parameter [0:0] INIT = 1'b0;
+ parameter [0:0] INIT = 1'b1;
parameter [0:0] IS_C_INVERTED = 1'b0;
parameter [0:0] IS_D_INVERTED = 1'b0;
parameter [0:0] IS_S_INVERTED = 1'b0;
@@ -230,10 +230,10 @@ module FDSE (output reg Q, input C, CE, D, S);
wire _TECHMAP_REPLACE_.$abc9_currQ = Q;
endmodule
module FDSE_1 (output reg Q, input C, CE, D, S);
- parameter [0:0] INIT = 1'b0;
+ parameter [0:0] INIT = 1'b1;
wire $nextQ;
FDSE_1 #(
- .INIT(|0),
+ .INIT(INIT),
) _TECHMAP_REPLACE_ (
.D(D), .Q($nextQ), .C(C), .CE(CE), .S(S)
);
diff --git a/techlibs/xilinx/abc9_model.v b/techlibs/xilinx/abc9_model.v
index c17d6744a..cc0e5ec41 100644
--- a/techlibs/xilinx/abc9_model.v
+++ b/techlibs/xilinx/abc9_model.v
@@ -30,6 +30,9 @@ module \$__XILINX_MUXF78 (output O, input I0, I1, I2, I3, S0, S1);
: (S0 ? I1 : I0);
endmodule
+module \$__ABC9_FF_ (input D, output Q);
+endmodule
+
(* abc_box_id = 1000 *)
module \$__ABC9_ASYNC (input A, S, output Y);
endmodule
diff --git a/tests/simple_abc9/abc9.v b/tests/simple_abc9/abc9.v
index 58596d701..65eb01338 100644
--- a/tests/simple_abc9/abc9.v
+++ b/tests/simple_abc9/abc9.v
@@ -268,13 +268,18 @@ assign o = { 1'b1, 1'bx };
assign p = { 1'b1, 1'bx, 1'b0 };
endmodule
-module abc9_test029(input clk, d, r, output reg q);
+module abc9_test029(input clk1, clk2, input d, output reg q1, q2);
+always @(posedge clk1) q1 <= d;
+always @(negedge clk2) q2 <= q1;
+endmodule
+
+module abc9_test030(input clk, d, r, output reg q);
always @(posedge clk or posedge r)
if (r) q <= 1'b0;
else q <= d;
endmodule
-module abc9_test030(input clk, d, r, output reg q);
+module abc9_test031(input clk, d, r, output reg q);
always @(negedge clk or posedge r)
if (r) q <= 1'b1;
else q <= d;
diff --git a/tests/various/abc9.v b/tests/various/abc9.v
index e53dcdb21..85828bf30 100644
--- a/tests/various/abc9.v
+++ b/tests/various/abc9.v
@@ -10,7 +10,7 @@ unknown u(~i, w);
unknown2 u2(w, o);
endmodule
-module abc9_test031(input clk, d, r, output reg q);
+module abc9_test032(input clk, d, r, output reg q);
initial q = 1'b0;
always @(negedge clk or negedge r)
if (r) q <= 1'b0;
diff --git a/tests/various/abc9.ys b/tests/various/abc9.ys
index f7a3f1fa0..81d0afd1b 100644
--- a/tests/various/abc9.ys
+++ b/tests/various/abc9.ys
@@ -24,7 +24,7 @@ select -assert-count 1 t:unknown
select -assert-none t:$lut t:unknown %% t: %D
design -load read
-hierarchy -top abc9_test031
+hierarchy -top abc9_test032
proc
clk2fflogic
design -save gold