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Merge remote-tracking branch 'origin/master' into xc7dsp

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This commit is contained in:
Eddie Hung 2019-08-20 20:18:17 -07:00
commit b7a48e3e0f
133 changed files with 4172 additions and 2286 deletions
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31
techlibs/xilinx/synth_xilinx.cc
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@ -64,13 +64,13 @@ struct SynthXilinxPass : public ScriptPass
log(" (this feature is experimental and incomplete)\n");
log("\n");
log(" -nobram\n");
log(" disable inference of block rams\n");
log(" do not use block RAM cells in output netlist\n");
log("\n");
log(" -nodram\n");
log(" disable inference of distributed rams\n");
log(" -nolutram\n");
log(" do not use distributed RAM cells in output netlist\n");
log("\n");
log(" -nosrl\n");
log(" disable inference of shift registers\n");
log(" do not use distributed SRL cells in output netlist\n");
log("\n");
log(" -nocarry\n");
log(" do not use XORCY/MUXCY/CARRY4 cells in output netlist\n");
@ -107,7 +107,7 @@ struct SynthXilinxPass : public ScriptPass
}
std::string top_opt, edif_file, blif_file, family;
bool flatten, retime, vpr, nobram, nodram, nosrl, nocarry, nowidelut, nodsp, abc9;
bool flatten, retime, vpr, nobram, nolutram, nosrl, nocarry, nowidelut, nodsp, abc9;
int widemux;
void clear_flags() YS_OVERRIDE
@ -121,7 +121,7 @@ struct SynthXilinxPass : public ScriptPass
vpr = false;
nocarry = false;
nobram = false;
nodram = false;
nolutram = false;
nosrl = false;
nocarry = false;
nowidelut = false;
@ -190,8 +190,8 @@ struct SynthXilinxPass : public ScriptPass
nobram = true;
continue;
}
if (args[argidx] == "-nodram") {
nodram = true;
if (args[argidx] == "-nolutram" || /*deprecated alias*/ args[argidx] == "-nodram") {
nolutram = true;
continue;
}
if (args[argidx] == "-nosrl") {
@ -306,7 +306,7 @@ struct SynthXilinxPass : public ScriptPass
run("opt_clean");
}
if (check_label("bram", "(skip if '-nobram')")) {
if (check_label("map_bram", "(skip if '-nobram')")) {
if (help_mode) {
run("memory_bram -rules +/xilinx/{family}_brams.txt");
run("techmap -map +/xilinx/{family}_brams_map.v");
@ -323,20 +323,23 @@ struct SynthXilinxPass : public ScriptPass
}
}
if (check_label("dram", "(skip if '-nodram')")) {
if (!nodram || help_mode) {
run("memory_bram -rules +/xilinx/drams.txt");
run("techmap -map +/xilinx/drams_map.v");
if (check_label("map_lutram", "(skip if '-nolutram')")) {
if (!nolutram || help_mode) {
run("memory_bram -rules +/xilinx/lutrams.txt");
run("techmap -map +/xilinx/lutrams_map.v");
}
}
if (check_label("fine")) {
if (check_label("map_ffram")) {
if (widemux > 0)
run("opt -fast -mux_bool -undriven -fine"); // Necessary to omit -mux_undef otherwise muxcover
// performs less efficiently
else
run("opt -fast -full");
run("memory_map");
}
if (check_label("fine")) {
run("dffsr2dff");
run("dff2dffe");
if (help_mode) {