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flowmap: remove

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This commit is contained in:
Lofty 2026-07-22 13:38:40 +01:00
parent f9023e92b4
commit f0b5225134
8 changed files with 5 additions and 1656 deletions
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17
techlibs/common/synth.cc
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@ -92,9 +92,6 @@ struct SynthPass : public ScriptPass {
log(" -abc9\n");
log(" use new ABC9 flow (EXPERIMENTAL)\n");
log("\n");
log(" -flowmap\n");
log(" use FlowMap LUT techmapping instead of ABC\n");
log("\n");
log(" -no-rw-check\n");
log(" marks all recognized read ports as \"return don't-care value on\n");
log(" read/write collision\" (same result as setting the no_rw_check\n");
@ -115,7 +112,7 @@ struct SynthPass : public ScriptPass {
}
string top_module, fsm_opts, memory_opts, abc, latches_opt;
bool autotop, flatten, noalumacc, nofsm, noabc, noshare, flowmap, booth, arith_tree, hieropt, relative_share;
bool autotop, flatten, noalumacc, nofsm, noabc, noshare, booth, arith_tree, hieropt, relative_share;
int lut;
std::vector<std::string> techmap_maps;
@ -133,7 +130,6 @@ struct SynthPass : public ScriptPass {
nofsm = false;
noabc = false;
noshare = false;
flowmap = false;
booth = false;
arith_tree = false;
hieropt = false;
@ -216,10 +212,6 @@ struct SynthPass : public ScriptPass {
abc = "abc9";
continue;
}
if (args[argidx] == "-flowmap") {
flowmap = true;
continue;
}
if (args[argidx] == "-no-rw-check") {
memory_opts += " -no-rw-check";
continue;
@ -246,8 +238,6 @@ struct SynthPass : public ScriptPass {
if (abc == "abc9" && !lut)
log_cmd_error("ABC9 flow only supported for FPGA synthesis (using '-lut' option)\n");
if (flowmap && !lut)
log_cmd_error("FlowMap is only supported for FPGA synthesis (using '-lut' option)\n");
log_header(design, "Executing SYNTH pass.\n");
log_push();
@ -334,16 +324,13 @@ struct SynthPass : public ScriptPass {
if (help_mode) {
run(techmap_cmd + " -map +/gate2lut.v", "(if -noabc and -lut)");
run("clean; opt_lut", " (if -noabc and -lut)");
run("flowmap -maxlut K", " (if -flowmap and -lut)");
} else if (noabc && lut) {
run(stringf("%s -map +/gate2lut.v -D LUT_WIDTH=%d", techmap_cmd, lut));
run("clean; opt_lut");
} else if (flowmap) {
run(stringf("flowmap -maxlut %d", lut));
}
run("opt -fast" + hieropt_flag);
if ((!noabc && !flowmap) || help_mode) {
if (!noabc || help_mode) {
#ifdef YOSYS_ENABLE_ABC
if (help_mode) {
run(abc, " (unless -noabc, unless -lut)");