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Merge pull request #5759 from YosysHQ/lofty/abc9-refactor-4

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abc9: remove abc9.if.C [sc-269]
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Lofty 2026-03-19 07:26:37 +00:00 • committed by GitHub
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2 changed files with 22 additions and 28 deletions
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44
passes/techmap/abc9.cc
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@ -38,53 +38,53 @@ struct Abc9Pass : public ScriptPass
Abc9Pass() : ScriptPass("abc9", "use ABC9 for technology mapping") { } Abc9Pass() : ScriptPass("abc9", "use ABC9 for technology mapping") { }
void on_register() override void on_register() override
{ {
RTLIL::constpad["abc9.script.default"] = "+&scorr; &sweep; &dc2; &dch -f -r; &ps; &if {C} {W} {D} {R} -v; &mfs"; RTLIL::constpad["abc9.script.default"] = "+&scorr; &sweep; &dc2; &dch -f -r; &ps; &if {W} {D} {R} -v; &mfs";
RTLIL::constpad["abc9.script.default.area"] = "+&scorr; &sweep; &dc2; &dch -f -r; &ps; &if {C} {W} {D} {R} -a -v; &mfs"; RTLIL::constpad["abc9.script.default.area"] = "+&scorr; &sweep; &dc2; &dch -f -r; &ps; &if {W} {D} {R} -a -v; &mfs";
RTLIL::constpad["abc9.script.default.fast"] = "+&if {C} {W} {D} {R} -v"; RTLIL::constpad["abc9.script.default.fast"] = "+&if {W} {D} {R} -v";
// Based on ABC's &flow // Based on ABC's &flow
RTLIL::constpad["abc9.script.flow"] = "+&scorr; &sweep;" \ RTLIL::constpad["abc9.script.flow"] = "+&scorr; &sweep;" \
"&dch -C 500;" \ "&dch -C 500;" \
/* Round 1 */ \ /* Round 1 */ \
/* Map 1 */ "&unmap; &if {C} {W} {D} {R} -v; &save; &load; &mfs;" \ /* Map 1 */ "&unmap; &if {W} {D} {R} -v; &save; &load; &mfs;" \
"&st; &dsdb;" \ "&st; &dsdb;" \
/* Map 2 */ "&unmap; &if {C} {W} {D} {R} -v; &save; &load; &mfs;" \ /* Map 2 */ "&unmap; &if {W} {D} {R} -v; &save; &load; &mfs;" \
"&st; &syn2 -m -R 10; &dsdb;" \ "&st; &syn2 -m -R 10; &dsdb;" \
"&blut -a -K 6;" \ "&blut -a -K 6;" \
/* Map 3 */ "&unmap; &if {C} {W} {D} {R} -v; &save; &load; &mfs;" \ /* Map 3 */ "&unmap; &if {W} {D} {R} -v; &save; &load; &mfs;" \
/* Round 2 */ \ /* Round 2 */ \
"&st; &sopb;" \ "&st; &sopb;" \
/* Map 1 */ "&unmap; &if {C} {W} {D} {R} -v; &save; &load; &mfs;" \ /* Map 1 */ "&unmap; &if {W} {D} {R} -v; &save; &load; &mfs;" \
"&st; &dsdb;" \ "&st; &dsdb;" \
/* Map 2 */ "&unmap; &if {C} {W} {D} {R} -v; &save; &load; &mfs;" \ /* Map 2 */ "&unmap; &if {W} {D} {R} -v; &save; &load; &mfs;" \
"&st; &syn2 -m -R 10; &dsdb;" \ "&st; &syn2 -m -R 10; &dsdb;" \
"&blut -a -K 6;" \ "&blut -a -K 6;" \
/* Map 3 */ "&unmap; &if {C} {W} {D} {R} -v; &save; &load; &mfs;" \ /* Map 3 */ "&unmap; &if {W} {D} {R} -v; &save; &load; &mfs;" \
/* Round 3 */ \ /* Round 3 */ \
/* Map 1 */ "&unmap; &if {C} {W} {D} {R} -v; &save; &load; &mfs;" \ /* Map 1 */ "&unmap; &if {W} {D} {R} -v; &save; &load; &mfs;" \
"&st; &dsdb;" \ "&st; &dsdb;" \
/* Map 2 */ "&unmap; &if {C} {W} {D} {R} -v; &save; &load; &mfs;" \ /* Map 2 */ "&unmap; &if {W} {D} {R} -v; &save; &load; &mfs;" \
"&st; &syn2 -m -R 10; &dsdb;" \ "&st; &syn2 -m -R 10; &dsdb;" \
"&blut -a -K 6;" \ "&blut -a -K 6;" \
/* Map 3 */ "&unmap; &if {C} {W} {D} {R} -v; &save; &load; &mfs;"; /* Map 3 */ "&unmap; &if {W} {D} {R} -v; &save; &load; &mfs;";
// Based on ABC's &flow2 // Based on ABC's &flow2
RTLIL::constpad["abc9.script.flow2"] = "+&scorr; &sweep;" \ RTLIL::constpad["abc9.script.flow2"] = "+&scorr; &sweep;" \
/* Comm1 */ "&synch2 -K 6 -C 500; &if -m {C} {W} {D} {R} -v; &mfs "/*"-W 4 -M 500 -C 7000"*/"; &save;"\ /* Comm1 */ "&synch2 -K 6 -C 500; &if -m {W} {D} {R} -v; &mfs "/*"-W 4 -M 500 -C 7000"*/"; &save;"\
/* Comm2 */ "&dch -C 500; &if -m {C} {W} {D} {R} -v; &mfs "/*"-W 4 -M 500 -C 7000"*/"; &save;"\ /* Comm2 */ "&dch -C 500; &if -m {W} {D} {R} -v; &mfs "/*"-W 4 -M 500 -C 7000"*/"; &save;"\
"&load; &st; &sopb -R 10 -C 4; " \ "&load; &st; &sopb -R 10 -C 4; " \
/* Comm3 */ "&synch2 -K 6 -C 500; &if -m "/*"-E 5"*/" {C} {W} {D} {R} -v; &mfs "/*"-W 4 -M 500 -C 7000"*/"; &save;"\ /* Comm3 */ "&synch2 -K 6 -C 500; &if -m "/*"-E 5"*/" {W} {D} {R} -v; &mfs "/*"-W 4 -M 500 -C 7000"*/"; &save;"\
/* Comm2 */ "&dch -C 500; &if -m {C} {W} {D} {R} -v; &mfs "/*"-W 4 -M 500 -C 7000"*/"; &save; "\ /* Comm2 */ "&dch -C 500; &if -m {W} {D} {R} -v; &mfs "/*"-W 4 -M 500 -C 7000"*/"; &save; "\
"&load"; "&load";
// Based on ABC's &flow3 -m // Based on ABC's &flow3 -m
RTLIL::constpad["abc9.script.flow3"] = "+&scorr; &sweep;" \ RTLIL::constpad["abc9.script.flow3"] = "+&scorr; &sweep;" \
"&if {C} {W} {D}; &save; &st; &syn2; &if {C} {W} {D} {R} -v; &save; &load;"\ "&if {W} {D}; &save; &st; &syn2; &if {W} {D} {R} -v; &save; &load;"\
"&st; &if {C} -g -K 6; &dch -f; &if {C} {W} {D} {R} -v; &save; &load;"\ "&st; &if -g -K 6; &dch -f; &if {W} {D} {R} -v; &save; &load;"\
"&st; &if {C} -g -K 6; &synch2; &if {C} {W} {D} {R} -v; &save; &load;"\ "&st; &if -g -K 6; &synch2; &if {W} {D} {R} -v; &save; &load;"\
"&mfs"; "&mfs";
// As above, but with &mfs calls as in the original &flow3 // As above, but with &mfs calls as in the original &flow3
RTLIL::constpad["abc9.script.flow3mfs"] = "+&scorr; &sweep;" \ RTLIL::constpad["abc9.script.flow3mfs"] = "+&scorr; &sweep;" \
"&if {C} {W} {D}; &save; &st; &syn2; &if {C} {W} {D} {R} -v; &save; &load;"\ "&if {W} {D}; &save; &st; &syn2; &if {W} {D} {R} -v; &save; &load;"\
"&st; &if {C} -g -K 6; &dch -f; &if {C} {W} {D} {R} -v; &mfs; &save; &load;"\ "&st; &if -g -K 6; &dch -f; &if {W} {D} {R} -v; &mfs; &save; &load;"\
"&st; &if {C} -g -K 6; &synch2; &if {C} {W} {D} {R} -v; &mfs; &save; &load;"\ "&st; &if -g -K 6; &synch2; &if {W} {D} {R} -v; &mfs; &save; &load;"\
"&mfs"; "&mfs";
} }
void help() override void help() override

6
passes/techmap/abc9_exe.cc
View file

@ -221,12 +221,6 @@ void abc9_module(RTLIL::Design *design, std::string script_file, std::string exe
for (size_t pos = abc9_script.find("{W}"); pos != std::string::npos; pos = abc9_script.find("{W}", pos)) for (size_t pos = abc9_script.find("{W}"); pos != std::string::npos; pos = abc9_script.find("{W}", pos))
abc9_script = abc9_script.substr(0, pos) + wire_delay + abc9_script.substr(pos+3); abc9_script = abc9_script.substr(0, pos) + wire_delay + abc9_script.substr(pos+3);
std::string C;
if (design->scratchpad.count("abc9.if.C"))
C = "-C " + design->scratchpad_get_string("abc9.if.C");
for (size_t pos = abc9_script.find("{C}"); pos != std::string::npos; pos = abc9_script.find("{C}", pos))
abc9_script = abc9_script.substr(0, pos) + C + abc9_script.substr(pos+3);
std::string R; std::string R;
if (design->scratchpad.count("abc9.if.R")) if (design->scratchpad.count("abc9.if.R"))
R = "-R " + design->scratchpad_get_string("abc9.if.R"); R = "-R " + design->scratchpad_get_string("abc9.if.R");