diff options
-rw-r--r-- | techlibs/ecp5/synth_ecp5.cc | 4 | ||||
-rw-r--r-- | techlibs/xilinx/synth_xilinx.cc | 1 | ||||
-rw-r--r-- | tests/arch/ecp5/bug1459.ys | 25 |
3 files changed, 27 insertions, 3 deletions
diff --git a/techlibs/ecp5/synth_ecp5.cc b/techlibs/ecp5/synth_ecp5.cc index d616391b2..6583f43fd 100644 --- a/techlibs/ecp5/synth_ecp5.cc +++ b/techlibs/ecp5/synth_ecp5.cc @@ -323,9 +323,9 @@ struct SynthEcp5Pass : public ScriptPass if (abc9) { run("read_verilog -icells -lib +/ecp5/abc9_model.v"); if (nowidelut) - run("abc9 -lut +/ecp5/abc9_5g_nowide.lut -box +/ecp5/abc9_5g.box -W 200 -nomfs"); + run("abc9 -lut +/ecp5/abc9_5g_nowide.lut -box +/ecp5/abc9_5g.box -W 200"); else - run("abc9 -lut +/ecp5/abc9_5g.lut -box +/ecp5/abc9_5g.box -W 200 -nomfs"); + run("abc9 -lut +/ecp5/abc9_5g.lut -box +/ecp5/abc9_5g.box -W 200"); run("techmap -map +/ecp5/abc9_unmap.v"); } else { if (nowidelut) diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index 51d2cbbd2..63d00027a 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -556,7 +556,6 @@ struct SynthXilinxPass : public ScriptPass run("read_verilog -icells -lib +/xilinx/abc9_model.v"); std::string abc9_opts = " -box +/xilinx/abc9_xc7.box"; abc9_opts += stringf(" -W %d", XC7_WIRE_DELAY); - abc9_opts += " -nomfs"; if (nowidelut) abc9_opts += " -lut +/xilinx/abc9_xc7_nowide.lut"; else diff --git a/tests/arch/ecp5/bug1459.ys b/tests/arch/ecp5/bug1459.ys new file mode 100644 index 000000000..1142ae0b5 --- /dev/null +++ b/tests/arch/ecp5/bug1459.ys @@ -0,0 +1,25 @@ +read_verilog <<EOT +module register_file( + input wire clk, + input wire write_enable, + input wire [63:0] write_data, + input wire [4:0] write_reg, + input wire [4:0] read1_reg, + output reg [63:0] read1_data, + ); + + reg [63:0] registers[0:31]; + + always @(posedge clk) begin + if (write_enable == 1'b1) begin + registers[write_reg] <= write_data; + end + end + + always @(all) begin + read1_data <= registers[read1_reg]; + end +endmodule +EOT + +synth_ecp5 -abc9 |