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

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This commit is contained in:
Eddie Hung 2019-12-06 23:22:52 -08:00
commit a46a7e8a67
19 changed files with 1771 additions and 969 deletions
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17
techlibs/xilinx/synth_xilinx.cc
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@ -282,6 +282,7 @@ 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";
@ -306,6 +307,8 @@ struct SynthXilinxPass : public ScriptPass
run("proc");
if (flatten || help_mode)
run("flatten", "(with '-flatten')");
run("tribuf -logic");
run("deminout");
run("opt_expr");
run("opt_clean");
run("check");
@ -504,6 +507,9 @@ 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')");
std::string techmap_args = "-map +/techmap.v -map +/xilinx/cells_map.v";
if (widemux > 0)
techmap_args += stringf(" -D MIN_MUX_INPUTS=%d", widemux);
@ -560,15 +566,8 @@ struct SynthXilinxPass : public ScriptPass
}
if (check_label("finalize")) {
bool do_iopad = iopad || (ise && !noiopad);
if (help_mode || !noclkbuf) {
if (help_mode || do_iopad)
run("clkbufmap -buf BUFG O:I -inpad IBUFG O:I", "(skip if '-noclkbuf', '-inpad' passed if '-iopad' or '-ise' and not '-noiopad')");
else
run("clkbufmap -buf BUFG O:I");
}
if (help_mode || do_iopad)
run("iopadmap -bits -outpad OBUF I:O -inpad IBUF O:I A:top", "(only if '-iopad' or '-ise' and not '-noiopad')");
if (help_mode || !noclkbuf)
run("clkbufmap -buf BUFG O:I ", "(skip if '-noclkbuf')");
if (help_mode || ise)
run("extractinv -inv INV O:I", "(only if '-ise')");
run("clean");