Merge pull request #1589 from YosysHQ/iopad_default

Make iopad option default for all xilinx flows
This commit is contained in:
Miodrag Milanović 2019-12-30 20:34:31 +01:00 committed by GitHub
commit c0a17c2457
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GPG Key ID: 4AEE18F83AFDEB23
20 changed files with 67 additions and 71 deletions

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@ -64,7 +64,7 @@ struct SynthXilinxPass : public ScriptPass
log(" (this feature is experimental and incomplete)\n");
log("\n");
log(" -ise\n");
log(" generate an output netlist suitable for ISE (enables -iopad)\n");
log(" generate an output netlist suitable for ISE\n");
log("\n");
log(" -nobram\n");
log(" do not use block RAM cells in output netlist\n");
@ -84,11 +84,9 @@ struct SynthXilinxPass : public ScriptPass
log(" -nodsp\n");
log(" do not use DSP48E1s to implement multipliers and associated logic\n");
log("\n");
log(" -iopad\n");
log(" enable I/O buffer insertion (selected automatically by -ise)\n");
log("\n");
log(" -noiopad\n");
log(" disable I/O buffer insertion (only useful with -ise)\n");
log(" disable I/O buffer insertion (useful for hierarchical or \n");
log(" out-of-context flows)\n");
log("\n");
log(" -noclkbuf\n");
log(" disable automatic clock buffer insertion\n");
@ -122,7 +120,7 @@ struct SynthXilinxPass : public ScriptPass
}
std::string top_opt, edif_file, blif_file, family;
bool flatten, retime, vpr, ise, iopad, noiopad, noclkbuf, nobram, nolutram, nosrl, nocarry, nowidelut, nodsp, uram, abc9;
bool flatten, retime, vpr, ise, noiopad, noclkbuf, nobram, nolutram, nosrl, nocarry, nowidelut, nodsp, uram, abc9;
bool flatten_before_abc;
int widemux;
@ -136,7 +134,6 @@ struct SynthXilinxPass : public ScriptPass
retime = false;
vpr = false;
ise = false;
iopad = false;
noiopad = false;
noclkbuf = false;
nocarry = false;
@ -213,7 +210,6 @@ struct SynthXilinxPass : public ScriptPass
continue;
}
if (args[argidx] == "-iopad") {
iopad = true;
continue;
}
if (args[argidx] == "-noiopad") {
@ -282,7 +278,6 @@ struct SynthXilinxPass : public ScriptPass
void script() YS_OVERRIDE
{
bool do_iopad = iopad || (ise && !noiopad);
std::string ff_map_file;
if (help_mode)
ff_map_file = "+/xilinx/{family}_ff_map.v";
@ -517,8 +512,8 @@ struct SynthXilinxPass : public ScriptPass
if (check_label("map_cells")) {
// Needs to be done before logic optimization, so that inverters (OE vs T) are handled.
if (help_mode || do_iopad)
run("iopadmap -bits -outpad OBUF I:O -inpad IBUF O:I -toutpad $__XILINX_TOUTPAD OE:I:O -tinoutpad $__XILINX_TINOUTPAD OE:O:I:IO A:top", "(only if '-iopad' or '-ise' and not '-noiopad')");
if (help_mode || !noiopad)
run("iopadmap -bits -outpad OBUF I:O -inpad IBUF O:I -toutpad $__XILINX_TOUTPAD OE:I:O -tinoutpad $__XILINX_TINOUTPAD OE:O:I:IO A:top", "(only if not '-noiopad')");
std::string techmap_args = "-map +/techmap.v -map +/xilinx/cells_map.v";
if (widemux > 0)
techmap_args += stringf(" -D MIN_MUX_INPUTS=%d", widemux);

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@ -1,7 +1,7 @@
read_verilog ../common/add_sub.v
hierarchy -top top
proc
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd top # Constrain all select calls below inside the top module
select -assert-count 14 t:LUT2

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@ -3,7 +3,7 @@ design -save read
hierarchy -top adff
proc
equiv_opt -async2sync -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
equiv_opt -async2sync -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd adff # Constrain all select calls below inside the top module
select -assert-count 1 t:BUFG
@ -15,7 +15,7 @@ select -assert-none t:BUFG t:FDCE %% t:* %D
design -load read
hierarchy -top adffn
proc
equiv_opt -async2sync -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
equiv_opt -async2sync -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd adffn # Constrain all select calls below inside the top module
select -assert-count 1 t:BUFG
@ -28,7 +28,7 @@ select -assert-none t:BUFG t:FDCE t:INV %% t:* %D
design -load read
hierarchy -top dffs
proc
equiv_opt -async2sync -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
equiv_opt -async2sync -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd dffs # Constrain all select calls below inside the top module
select -assert-count 1 t:BUFG
@ -40,7 +40,7 @@ select -assert-none t:BUFG t:FDSE %% t:* %D
design -load read
hierarchy -top ndffnr
proc
equiv_opt -async2sync -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
equiv_opt -async2sync -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd ndffnr # Constrain all select calls below inside the top module
select -assert-count 1 t:BUFG

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@ -1,7 +1,7 @@
# Check that blockram memory without parameters is not modified
read_verilog ../common/memory_attributes/attributes_test.v
hierarchy -top block_ram
synth_xilinx -top block_ram
synth_xilinx -top block_ram -noiopad
cd block_ram # Constrain all select calls below inside the top module
select -assert-count 1 t:RAMB18E1
@ -9,7 +9,7 @@ select -assert-count 1 t:RAMB18E1
design -reset
read_verilog ../common/memory_attributes/attributes_test.v
hierarchy -top distributed_ram
synth_xilinx -top distributed_ram
synth_xilinx -top distributed_ram -noiopad
cd distributed_ram # Constrain all select calls below inside the top module
select -assert-count 8 t:RAM32X1D
@ -18,7 +18,7 @@ design -reset
read_verilog ../common/memory_attributes/attributes_test.v
prep
setattr -mod -set ram_style "distributed" block_ram
synth_xilinx -top block_ram
synth_xilinx -top block_ram -noiopad
cd block_ram # Constrain all select calls below inside the top module
select -assert-count 32 t:RAM128X1D
@ -27,7 +27,7 @@ design -reset
read_verilog ../common/memory_attributes/attributes_test.v
prep
setattr -mod -set logic_block 1 block_ram
synth_xilinx -top block_ram
synth_xilinx -top block_ram -noiopad
cd block_ram # Constrain all select calls below inside the top module
select -assert-count 0 t:RAMB18E1
select -assert-count 32 t:RAM128X1D
@ -35,13 +35,13 @@ select -assert-count 32 t:RAM128X1D
# Set ram_style block to a distributed memory; will be implemented as blockram
design -reset
read_verilog ../common/memory_attributes/attributes_test.v
synth_xilinx -top distributed_ram_manual
synth_xilinx -top distributed_ram_manual -noiopad
cd distributed_ram_manual # Constrain all select calls below inside the top module
select -assert-count 1 t:RAMB18E1
# Set synthesis, ram_block block to a distributed memory; will be implemented as blockram
design -reset
read_verilog ../common/memory_attributes/attributes_test.v
synth_xilinx -top distributed_ram_manual_syn
synth_xilinx -top distributed_ram_manual_syn -noiopad
cd distributed_ram_manual_syn # Constrain all select calls below inside the top module
select -assert-count 1 t:RAMB18E1

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@ -3,28 +3,28 @@
# Memory bits <= 18K; Data width <= 36; Address width <= 14: -> RAMB18E1
read_verilog ../common/blockram.v
chparam -set ADDRESS_WIDTH 10 -set DATA_WIDTH 1 sync_ram_sdp
synth_xilinx -top sync_ram_sdp
synth_xilinx -top sync_ram_sdp -noiopad
cd sync_ram_sdp
select -assert-count 1 t:RAMB18E1
design -reset
read_verilog ../common/blockram.v
chparam -set ADDRESS_WIDTH 8 -set DATA_WIDTH 18 sync_ram_sdp
synth_xilinx -top sync_ram_sdp
synth_xilinx -top sync_ram_sdp -noiopad
cd sync_ram_sdp
select -assert-count 1 t:RAMB18E1
design -reset
read_verilog ../common/blockram.v
chparam -set ADDRESS_WIDTH 14 -set DATA_WIDTH 1 sync_ram_sdp
synth_xilinx -top sync_ram_sdp
synth_xilinx -top sync_ram_sdp -noiopad
cd sync_ram_sdp
select -assert-count 1 t:RAMB18E1
design -reset
read_verilog ../common/blockram.v
chparam -set ADDRESS_WIDTH 9 -set DATA_WIDTH 36 sync_ram_sdp
synth_xilinx -top sync_ram_sdp
synth_xilinx -top sync_ram_sdp -noiopad
cd sync_ram_sdp
select -assert-count 1 t:RAMB18E1
@ -32,7 +32,7 @@ select -assert-count 1 t:RAMB18E1
design -reset
read_verilog ../common/blockram.v
chparam -set ADDRESS_WIDTH 8 -set DATA_WIDTH 2 sync_ram_sdp
synth_xilinx -top sync_ram_sdp
synth_xilinx -top sync_ram_sdp -noiopad
cd sync_ram_sdp
select -assert-count 0 t:RAMB18E1
select -assert-count 4 t:RAM128X1D
@ -41,7 +41,7 @@ select -assert-count 4 t:RAM128X1D
design -reset
read_verilog ../common/blockram.v
chparam -set ADDRESS_WIDTH 10 -set DATA_WIDTH 36 sync_ram_sdp
synth_xilinx -top sync_ram_sdp
synth_xilinx -top sync_ram_sdp -noiopad
cd sync_ram_sdp
select -assert-count 1 t:RAMB36E1
@ -52,7 +52,7 @@ design -reset
read_verilog ../common/blockram.v
hierarchy -top sync_ram_sdp -chparam ADDRESS_WIDTH 10 -chparam DATA_WIDTH 1
setattr -set ram_style "block" m:memory
synth_xilinx -top sync_ram_sdp
synth_xilinx -top sync_ram_sdp -noiopad
cd sync_ram_sdp
select -assert-count 1 t:RAMB18E1
@ -60,7 +60,7 @@ design -reset
read_verilog ../common/blockram.v
hierarchy -top sync_ram_sdp -chparam ADDRESS_WIDTH 10 -chparam DATA_WIDTH 1
setattr -set ram_block 1 m:memory
synth_xilinx -top sync_ram_sdp
synth_xilinx -top sync_ram_sdp -noiopad
cd sync_ram_sdp
select -assert-count 1 t:RAMB18E1
@ -68,7 +68,7 @@ design -reset
read_verilog ../common/blockram.v
hierarchy -top sync_ram_sdp -chparam ADDRESS_WIDTH 10 -chparam DATA_WIDTH 1
setattr -set ram_style "dont_infer_a_ram_pretty_please" m:memory
synth_xilinx -top sync_ram_sdp
synth_xilinx -top sync_ram_sdp -noiopad
cd sync_ram_sdp
select -assert-count 0 t:RAMB18E1
@ -76,7 +76,7 @@ design -reset
read_verilog ../common/blockram.v
hierarchy -top sync_ram_sdp -chparam ADDRESS_WIDTH 10 -chparam DATA_WIDTH 1
setattr -set logic_block 1 m:memory
synth_xilinx -top sync_ram_sdp
synth_xilinx -top sync_ram_sdp -noiopad
cd sync_ram_sdp
select -assert-count 0 t:RAMB18E1
@ -84,7 +84,7 @@ design -reset
read_verilog ../common/blockram.v
hierarchy -top sync_ram_sdp -chparam ADDRESS_WIDTH 8 -chparam DATA_WIDTH 1
setattr -set ram_style "block" m:memory
synth_xilinx -top sync_ram_sdp
synth_xilinx -top sync_ram_sdp -noiopad
cd sync_ram_sdp
select -assert-count 1 t:RAMB18E1
@ -92,6 +92,6 @@ design -reset
read_verilog ../common/blockram.v
hierarchy -top sync_ram_sdp -chparam ADDRESS_WIDTH 8 -chparam DATA_WIDTH 1
setattr -set ram_block 1 m:memory
synth_xilinx -top sync_ram_sdp
synth_xilinx -top sync_ram_sdp -noiopad
cd sync_ram_sdp
select -assert-count 1 t:RAMB18E1

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@ -28,7 +28,7 @@ module register_file(
endmodule
EOT
synth_xilinx
synth_xilinx -noiopad
cd register_file
select -assert-count 32 t:RAM32M
select -assert-none t:* t:BUFG %d t:RAM32M %d

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@ -2,7 +2,7 @@ read_verilog ../common/counter.v
hierarchy -top top
proc
flatten
equiv_opt -async2sync -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
equiv_opt -async2sync -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd top # Constrain all select calls below inside the top module

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@ -3,7 +3,7 @@ design -save read
hierarchy -top dff
proc
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd dff # Constrain all select calls below inside the top module
select -assert-count 1 t:BUFG
@ -15,7 +15,7 @@ select -assert-none t:BUFG t:FDRE %% t:* %D
design -load read
hierarchy -top dffe
proc
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd dffe # Constrain all select calls below inside the top module
select -assert-count 1 t:BUFG

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@ -19,7 +19,7 @@ EOT
proc
design -save read
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad
design -load postopt
cd cascade
select -assert-count 3 t:DSP48E1
@ -35,7 +35,7 @@ select -assert-none t:DSP48E1 t:BUFG %% t:* %D
select -assert-count 2 t:DSP48E1 %co:+[PCOUT] t:DSP48E1 %d %co:+[PCIN] w:* %d t:DSP48E1 %i
design -load read
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -family xc6s
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -family xc6s -noiopad
design -load postopt
cd cascade
select -assert-count 3 t:DSP48A1
@ -65,7 +65,7 @@ EOT
proc
design -save read
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad
design -load postopt
cd cascade
select -assert-count 2 t:DSP48E1
@ -75,7 +75,7 @@ select -assert-none t:DSP48E1 t:BUFG %% t:* %D
select -assert-count 1 t:DSP48E1 %co:+[PCOUT] t:DSP48E1 %d %co:+[PCIN] w:* %d t:DSP48E1 %i
design -load read
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -family xc6s
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -family xc6s -noiopad
design -load postopt
cd cascade
select -assert-count 2 t:DSP48A1

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@ -63,7 +63,7 @@ module fastfir_dynamictaps(i_clk, i_reset, i_tap_wr, i_tap, i_ce, i_sample, o_re
endmodule
EOT
synth_xilinx
synth_xilinx -noiopad
cd fastfir_dynamictaps
select -assert-count 2 t:DSP48E1
select -assert-none t:* t:DSP48E1 %d t:BUFG %d

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@ -3,7 +3,7 @@ hierarchy -top fsm
proc
flatten
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx -noiopad
miter -equiv -make_assert -flatten gold gate miter
sat -verify -prove-asserts -show-public -set-at 1 in_reset 1 -seq 20 -prove-skip 1 miter

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@ -3,7 +3,7 @@ design -save read
hierarchy -top latchp
proc
equiv_opt -async2sync -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
equiv_opt -async2sync -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd latchp # Constrain all select calls below inside the top module
select -assert-count 1 t:LDCE
@ -14,7 +14,7 @@ select -assert-none t:LDCE %% t:* %D
design -load read
hierarchy -top latchn
proc
equiv_opt -async2sync -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
equiv_opt -async2sync -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd latchn # Constrain all select calls below inside the top module
select -assert-count 1 t:LDCE
@ -26,7 +26,7 @@ select -assert-none t:LDCE t:INV %% t:* %D
design -load read
hierarchy -top latchsr
proc
equiv_opt -async2sync -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
equiv_opt -async2sync -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd latchsr # Constrain all select calls below inside the top module
select -assert-count 1 t:LDCE

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@ -1,7 +1,7 @@
read_verilog ../common/logic.v
hierarchy -top top
proc
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd top # Constrain all select calls below inside the top module

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@ -2,7 +2,7 @@
#hierarchy -top lutram_1w1r -chparam A_WIDTH 4
#proc
#memory -nomap
#equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx
#equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx -noiopad
#memory
#opt -full
#
@ -22,7 +22,7 @@ read_verilog ../common/lutram.v
hierarchy -top lutram_1w1r -chparam A_WIDTH 5
proc
memory -nomap
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx -noiopad
memory
opt -full
@ -42,7 +42,7 @@ read_verilog ../common/lutram.v
hierarchy -top lutram_1w1r
proc
memory -nomap
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx -noiopad
memory
opt -full
@ -62,7 +62,7 @@ read_verilog ../common/lutram.v
hierarchy -top lutram_1w3r
proc
memory -nomap
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx -noiopad
memory
opt -full
@ -82,7 +82,7 @@ read_verilog ../common/lutram.v
hierarchy -top lutram_1w3r -chparam A_WIDTH 6
proc
memory -nomap
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx -noiopad
memory
opt -full
@ -102,7 +102,7 @@ read_verilog ../common/lutram.v
hierarchy -top lutram_1w1r -chparam A_WIDTH 5 -chparam D_WIDTH 6
proc
memory -nomap
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx -noiopad
memory
opt -full
@ -122,7 +122,7 @@ read_verilog ../common/lutram.v
hierarchy -top lutram_1w1r -chparam A_WIDTH 6 -chparam D_WIDTH 6
proc
memory -nomap
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx -noiopad
memory
opt -full

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@ -3,8 +3,8 @@ design -save read
hierarchy -top macc
proc
#equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx ### TODO
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx
#equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad ### TODO
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx -noiopad
miter -equiv -flatten -make_assert -make_outputs gold gate miter
sat -verify -prove-asserts -seq 10 -show-inputs -show-outputs miter
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
@ -17,8 +17,8 @@ select -assert-none t:BUFG t:FDRE t:DSP48E1 %% t:* %D
design -load read
hierarchy -top macc2
proc
#equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx ### TODO
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx
#equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad ### TODO
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx -noiopad
miter -equiv -flatten -make_assert -make_outputs gold gate miter
sat -verify -prove-asserts -seq 10 -show-inputs -show-outputs miter
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)

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@ -1,7 +1,7 @@
read_verilog ../common/mul.v
hierarchy -top top
proc
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd top # Constrain all select calls below inside the top module
@ -13,7 +13,7 @@ design -reset
read_verilog ../common/mul.v
hierarchy -top top
proc
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -family xc6s # equivalency check
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -family xc6s -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd top # Constrain all select calls below inside the top module

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@ -2,7 +2,7 @@ read_verilog mul_unsigned.v
hierarchy -top mul_unsigned
proc
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd mul_unsigned # Constrain all select calls below inside the top module
select -assert-count 1 t:BUFG
@ -16,7 +16,7 @@ read_verilog mul_unsigned.v
hierarchy -top mul_unsigned
proc
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -family xc6s # equivalency check
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -family xc6s -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd mul_unsigned # Constrain all select calls below inside the top module
select -assert-count 1 t:BUFG

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@ -3,7 +3,7 @@ design -save read
hierarchy -top mux2
proc
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd mux2 # Constrain all select calls below inside the top module
select -assert-count 1 t:LUT3
@ -14,7 +14,7 @@ select -assert-none t:LUT3 %% t:* %D
design -load read
hierarchy -top mux4
proc
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd mux4 # Constrain all select calls below inside the top module
select -assert-count 1 t:LUT6
@ -25,7 +25,7 @@ select -assert-none t:LUT6 %% t:* %D
design -load read
hierarchy -top mux8
proc
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd mux8 # Constrain all select calls below inside the top module
select -assert-count 1 t:LUT3
@ -37,7 +37,7 @@ select -assert-none t:LUT3 t:LUT6 %% t:* %D
design -load read
hierarchy -top mux16
proc
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd mux16 # Constrain all select calls below inside the top module
select -assert-min 5 t:LUT6

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@ -2,7 +2,7 @@ read_verilog ../common/shifter.v
hierarchy -top top
proc
flatten
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check
equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd top # Constrain all select calls below inside the top module

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@ -7,6 +7,7 @@ synth
equiv_opt -assert -map +/xilinx/cells_sim.v -map +/simcells.v synth_xilinx # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd tristate # Constrain all select calls below inside the top module
# TODO :: Tristate logic not yet supported; see https://github.com/YosysHQ/yosys/issues/1225
select -assert-count 1 t:$_TBUF_
select -assert-none t:$_TBUF_ %% t:* %D
select -assert-count 2 t:IBUF
select -assert-count 1 t:INV
select -assert-count 1 t:OBUFT
select -assert-none t:IBUF t:INV t:OBUFT %% t:* %D