ice40, ecp5, gowin: enable ABC9 by default

This commit is contained in:
Lofty 2023-11-13 15:12:23 +00:00
parent 5691cd0958
commit 7ae4041e20
10 changed files with 46 additions and 22 deletions

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@ -93,8 +93,8 @@ struct SynthEcp5Pass : public ScriptPass
log(" -abc2\n"); log(" -abc2\n");
log(" run two passes of 'abc' for slightly improved logic density\n"); log(" run two passes of 'abc' for slightly improved logic density\n");
log("\n"); log("\n");
log(" -abc9\n"); log(" -noabc9\n");
log(" use new ABC9 flow (EXPERIMENTAL)\n"); log(" disable use of new ABC9 flow\n");
log("\n"); log("\n");
log(" -vpr\n"); log(" -vpr\n");
log(" generate an output netlist (and BLIF file) suitable for VPR\n"); log(" generate an output netlist (and BLIF file) suitable for VPR\n");
@ -137,7 +137,7 @@ struct SynthEcp5Pass : public ScriptPass
retime = false; retime = false;
abc2 = false; abc2 = false;
vpr = false; vpr = false;
abc9 = false; abc9 = true;
iopad = false; iopad = false;
nodsp = false; nodsp = false;
no_rw_check = false; no_rw_check = false;
@ -224,7 +224,11 @@ struct SynthEcp5Pass : public ScriptPass
continue; continue;
} }
if (args[argidx] == "-abc9") { if (args[argidx] == "-abc9") {
abc9 = true; // removed, ABC9 is on by default.
continue;
}
if (args[argidx] == "-noabc9") {
abc9 = false;
continue; continue;
} }
if (args[argidx] == "-iopad") { if (args[argidx] == "-iopad") {

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@ -78,8 +78,8 @@ struct SynthGowinPass : public ScriptPass
log(" -noalu\n"); log(" -noalu\n");
log(" do not use ALU cells\n"); log(" do not use ALU cells\n");
log("\n"); log("\n");
log(" -abc9\n"); log(" -noabc9\n");
log(" use new ABC9 flow (EXPERIMENTAL)\n"); log(" disable use of new ABC9 flow\n");
log("\n"); log("\n");
log(" -no-rw-check\n"); log(" -no-rw-check\n");
log(" marks all recognized read ports as \"return don't-care value on\n"); log(" marks all recognized read ports as \"return don't-care value on\n");
@ -106,7 +106,7 @@ struct SynthGowinPass : public ScriptPass
nodffe = false; nodffe = false;
nolutram = false; nolutram = false;
nowidelut = false; nowidelut = false;
abc9 = false; abc9 = true;
noiopads = false; noiopads = false;
noalu = false; noalu = false;
no_rw_check = false; no_rw_check = false;
@ -170,7 +170,11 @@ struct SynthGowinPass : public ScriptPass
continue; continue;
} }
if (args[argidx] == "-abc9") { if (args[argidx] == "-abc9") {
abc9 = true; // removed, ABC9 is on by default.
continue;
}
if (args[argidx] == "-abc9") {
abc9 = false;
continue; continue;
} }
if (args[argidx] == "-noiopads") { if (args[argidx] == "-noiopads") {

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@ -106,8 +106,8 @@ struct SynthIce40Pass : public ScriptPass
log(" generate an output netlist (and BLIF file) suitable for VPR\n"); log(" generate an output netlist (and BLIF file) suitable for VPR\n");
log(" (this feature is experimental and incomplete)\n"); log(" (this feature is experimental and incomplete)\n");
log("\n"); log("\n");
log(" -abc9\n"); log(" -noabc9\n");
log(" use new ABC9 flow (EXPERIMENTAL)\n"); log(" disable use of new ABC9 flow\n");
log("\n"); log("\n");
log(" -flowmap\n"); log(" -flowmap\n");
log(" use FlowMap LUT techmapping instead of abc (EXPERIMENTAL)\n"); log(" use FlowMap LUT techmapping instead of abc (EXPERIMENTAL)\n");
@ -144,7 +144,7 @@ struct SynthIce40Pass : public ScriptPass
noabc = false; noabc = false;
abc2 = false; abc2 = false;
vpr = false; vpr = false;
abc9 = false; abc9 = true;
flowmap = false; flowmap = false;
device_opt = "hx"; device_opt = "hx";
no_rw_check = false; no_rw_check = false;
@ -235,6 +235,10 @@ struct SynthIce40Pass : public ScriptPass
continue; continue;
} }
if (args[argidx] == "-abc9") { if (args[argidx] == "-abc9") {
// removed, ABC9 is on by default.
continue;
}
if (args[argidx] == "-noabc9") {
abc9 = true; abc9 = true;
continue; continue;
} }

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@ -4,6 +4,9 @@ proc
equiv_opt -assert -map +/ecp5/cells_sim.v synth_ecp5 # equivalency check equiv_opt -assert -map +/ecp5/cells_sim.v synth_ecp5 # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design) 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 cd top # Constrain all select calls below inside the top module
select -assert-count 10 t:LUT4 select -assert-min 25 t:LUT4
select -assert-none t:LUT4 %% t:* %D select -assert-max 26 t:LUT4
select -assert-count 10 t:PFUMX
select -assert-count 6 t:L6MUX21
select -assert-none t:LUT4 t:PFUMX t:L6MUX21 %% t:* %D

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@ -5,6 +5,7 @@ flatten
equiv_opt -assert -multiclock -map +/ecp5/cells_sim.v synth_ecp5 # equivalency check equiv_opt -assert -multiclock -map +/ecp5/cells_sim.v synth_ecp5 # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design) 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 cd top # Constrain all select calls below inside the top module
select -assert-count 1 t:LUT4
select -assert-count 4 t:CCU2C select -assert-count 4 t:CCU2C
select -assert-count 8 t:TRELLIS_FF select -assert-count 8 t:TRELLIS_FF
select -assert-none t:CCU2C t:TRELLIS_FF %% t:* %D select -assert-none t:LUT4 t:CCU2C t:TRELLIS_FF %% t:* %D

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@ -6,10 +6,11 @@ equiv_opt -assert -multiclock -map +/gowin/cells_sim.v synth_gowin # equivalency
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design) 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 cd top # Constrain all select calls below inside the top module
select -assert-count 1 t:LUT1
select -assert-count 8 t:DFFC select -assert-count 8 t:DFFC
select -assert-count 8 t:ALU select -assert-count 8 t:ALU
select -assert-count 1 t:GND select -assert-count 1 t:GND
select -assert-count 1 t:VCC select -assert-count 1 t:VCC
select -assert-count 2 t:IBUF select -assert-count 2 t:IBUF
select -assert-count 8 t:OBUF select -assert-count 8 t:OBUF
select -assert-none t:DFFC t:ALU t:GND t:VCC t:IBUF t:OBUF %% t:* %D select -assert-none t:LUT1 t:DFFC t:ALU t:GND t:VCC t:IBUF t:OBUF %% t:* %D

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@ -1,5 +1,5 @@
read_verilog init.v read_verilog init.v
read_verilog -lib +/gowin/cells_sim.v read_verilog -lib -specify +/gowin/cells_sim.v
design -save read design -save read
proc proc

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@ -32,10 +32,17 @@ proc
equiv_opt -assert -map +/gowin/cells_sim.v synth_gowin # equivalency check equiv_opt -assert -map +/gowin/cells_sim.v synth_gowin # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design) 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 cd mux8 # Constrain all select calls below inside the top module
select -assert-count 1 t:LUT1
select -assert-count 10 t:LUT3
select -assert-count 1 t:LUT4
select -assert-count 5 t:MUX2_LUT5
select -assert-count 2 t:MUX2_LUT6
select -assert-count 1 t:MUX2_LUT7
select -assert-count 11 t:IBUF select -assert-count 11 t:IBUF
select -assert-count 1 t:OBUF select -assert-count 1 t:OBUF
select -assert-count 1 t:GND
select -assert-none t:LUT* t:MUX2_LUT6 t:MUX2_LUT5 t:IBUF t:OBUF %% t:* %D select -assert-none t:LUT* t:MUX2_LUT7 t:MUX2_LUT6 t:MUX2_LUT5 t:IBUF t:OBUF t:GND %% t:* %D
design -load read design -load read
hierarchy -top mux16 hierarchy -top mux16

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@ -3,7 +3,7 @@ hierarchy -top top
equiv_opt -assert -map +/ice40/cells_sim.v synth_ice40 # equivalency check equiv_opt -assert -map +/ice40/cells_sim.v synth_ice40 # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design) 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 cd top # Constrain all select calls below inside the top module
select -assert-count 11 t:SB_LUT4 select -assert-count 10 t:SB_LUT4
select -assert-count 6 t:SB_CARRY select -assert-count 6 t:SB_CARRY
select -assert-none t:SB_LUT4 t:SB_CARRY %% t:* %D select -assert-none t:SB_LUT4 t:SB_CARRY %% t:* %D

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@ -15,7 +15,7 @@ proc
equiv_opt -assert -map +/ice40/cells_sim.v synth_ice40 # equivalency check equiv_opt -assert -map +/ice40/cells_sim.v synth_ice40 # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design) 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 cd mux4 # Constrain all select calls below inside the top module
select -assert-count 2 t:SB_LUT4 select -assert-count 3 t:SB_LUT4
select -assert-none t:SB_LUT4 %% t:* %D select -assert-none t:SB_LUT4 %% t:* %D
@ -25,7 +25,7 @@ proc
equiv_opt -assert -map +/ice40/cells_sim.v synth_ice40 # equivalency check equiv_opt -assert -map +/ice40/cells_sim.v synth_ice40 # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design) 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 cd mux8 # Constrain all select calls below inside the top module
select -assert-count 5 t:SB_LUT4 select -assert-count 6 t:SB_LUT4
select -assert-none t:SB_LUT4 %% t:* %D select -assert-none t:SB_LUT4 %% t:* %D
@ -35,7 +35,7 @@ proc
equiv_opt -assert -map +/ice40/cells_sim.v synth_ice40 # equivalency check equiv_opt -assert -map +/ice40/cells_sim.v synth_ice40 # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design) 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 cd mux16 # Constrain all select calls below inside the top module
select -assert-min 11 t:SB_LUT4 select -assert-min 13 t:SB_LUT4
select -assert-max 12 t:SB_LUT4 select -assert-max 14 t:SB_LUT4
select -assert-none t:SB_LUT4 %% t:* %D select -assert-none t:SB_LUT4 %% t:* %D