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authorEddie Hung <eddie@fpgeh.com>2020-01-02 12:44:06 -0800
committerEddie Hung <eddie@fpgeh.com>2020-01-02 12:44:06 -0800
commitb454735bea6727f346fdbbc28f261b40d91c61ba (patch)
tree6e82d90b00f0bf65ae340d97d2df4fd1558bb2b4 /passes
parent345e98f87105316da9797e01bdbdd3932269cfdf (diff)
parentef6548203cca239a98b00ea652a92fe3e20f97d7 (diff)
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Merge remote-tracking branch 'origin/master' into xaig_dff
Diffstat (limited to 'passes')
-rw-r--r--passes/techmap/abc.cc26
-rw-r--r--passes/techmap/iopadmap.cc3
2 files changed, 18 insertions, 11 deletions
diff --git a/passes/techmap/abc.cc b/passes/techmap/abc.cc
index 279b32223..7ea1138e3 100644
--- a/passes/techmap/abc.cc
+++ b/passes/techmap/abc.cc
@@ -29,17 +29,17 @@
// Kahn, Arthur B. (1962), "Topological sorting of large networks", Communications of the ACM 5 (11): 558-562, doi:10.1145/368996.369025
// http://en.wikipedia.org/wiki/Topological_sorting
-#define ABC_COMMAND_LIB "strash; ifraig; scorr; dc2; dretime; retime {D}; strash; &get -n; &dch -f; &nf {D}; &put"
-#define ABC_COMMAND_CTR "strash; ifraig; scorr; dc2; dretime; retime {D}; strash; &get -n; &dch -f; &nf {D}; &put; buffer; upsize {D}; dnsize {D}; stime -p"
-#define ABC_COMMAND_LUT "strash; ifraig; scorr; dc2; dretime; retime {D}; strash; dch -f; if; mfs2"
-#define ABC_COMMAND_SOP "strash; ifraig; scorr; dc2; dretime; retime {D}; strash; dch -f; cover {I} {P}"
-#define ABC_COMMAND_DFL "strash; ifraig; scorr; dc2; dretime; retime {D}; strash; &get -n; &dch -f; &nf {D}; &put"
-
-#define ABC_FAST_COMMAND_LIB "strash; dretime; retime {D}; map {D}"
-#define ABC_FAST_COMMAND_CTR "strash; dretime; retime {D}; map {D}; buffer; upsize {D}; dnsize {D}; stime -p"
-#define ABC_FAST_COMMAND_LUT "strash; dretime; retime {D}; if"
-#define ABC_FAST_COMMAND_SOP "strash; dretime; retime {D}; cover -I {I} -P {P}"
-#define ABC_FAST_COMMAND_DFL "strash; dretime; retime {D}; map"
+#define ABC_COMMAND_LIB "strash; ifraig; scorr; dc2; dretime; strash; &get -n; &dch -f; &nf {D}; &put"
+#define ABC_COMMAND_CTR "strash; ifraig; scorr; dc2; dretime; strash; &get -n; &dch -f; &nf {D}; &put; buffer; upsize {D}; dnsize {D}; stime -p"
+#define ABC_COMMAND_LUT "strash; ifraig; scorr; dc2; dretime; strash; dch -f; if; mfs2"
+#define ABC_COMMAND_SOP "strash; ifraig; scorr; dc2; dretime; strash; dch -f; cover {I} {P}"
+#define ABC_COMMAND_DFL "strash; ifraig; scorr; dc2; dretime; strash; &get -n; &dch -f; &nf {D}; &put"
+
+#define ABC_FAST_COMMAND_LIB "strash; dretime; map {D}"
+#define ABC_FAST_COMMAND_CTR "strash; dretime; map {D}; buffer; upsize {D}; dnsize {D}; stime -p"
+#define ABC_FAST_COMMAND_LUT "strash; dretime; if"
+#define ABC_FAST_COMMAND_SOP "strash; dretime; cover -I {I} -P {P}"
+#define ABC_FAST_COMMAND_DFL "strash; dretime; map"
#include "kernel/register.h"
#include "kernel/sigtools.h"
@@ -747,6 +747,10 @@ void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::strin
else
abc_script += fast_mode ? ABC_FAST_COMMAND_DFL : ABC_COMMAND_DFL;
+ if (script_file.empty() && !delay_target.empty())
+ for (size_t pos = abc_script.find("dretime;"); pos != std::string::npos; pos = abc_script.find("dretime;", pos+1))
+ abc_script = abc_script.substr(0, pos) + "dretime; retime -o {D};" + abc_script.substr(pos+8);
+
for (size_t pos = abc_script.find("{D}"); pos != std::string::npos; pos = abc_script.find("{D}", pos))
abc_script = abc_script.substr(0, pos) + delay_target + abc_script.substr(pos+3);
diff --git a/passes/techmap/iopadmap.cc b/passes/techmap/iopadmap.cc
index 47da98b06..531ac2b99 100644
--- a/passes/techmap/iopadmap.cc
+++ b/passes/techmap/iopadmap.cc
@@ -234,6 +234,9 @@ struct IopadmapPass : public Pass {
SigBit wire_bit(wire, i);
Cell *tbuf_cell = nullptr;
+ if (skip_wire_bits.count(wire_bit))
+ continue;
+
if (tbuf_bits.count(wire_bit))
tbuf_cell = tbuf_bits.at(wire_bit);