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authorClifford Wolf <clifford@clifford.at>2019-03-15 20:18:38 +0100
committerClifford Wolf <clifford@clifford.at>2019-03-15 20:46:17 +0100
commit370db33a4c347049cb8f66c181d39fd2f2ce5e3a (patch)
tree747362c36a62f373d4fcd9beb30ad4b9f1ea6703 /kernel
parentb5cf8c9442774bba49d308d75d72036d6b05ec38 (diff)
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Add fmcombine pass
Signed-off-by: Clifford Wolf <clifford@clifford.at>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/celltypes.h45
-rw-r--r--kernel/rtlil.cc4
2 files changed, 32 insertions, 17 deletions
diff --git a/kernel/celltypes.h b/kernel/celltypes.h
index 8b8a56111..ae88f4aaf 100644
--- a/kernel/celltypes.h
+++ b/kernel/celltypes.h
@@ -82,6 +82,27 @@ struct CellTypes
void setup_internals()
{
+ setup_internals_eval();
+
+ IdString A = "\\A", B = "\\B", EN = "\\EN", Y = "\\Y";
+
+ setup_type("$tribuf", {A, EN}, {Y}, true);
+
+ setup_type("$assert", {A, EN}, pool<RTLIL::IdString>(), true);
+ setup_type("$assume", {A, EN}, pool<RTLIL::IdString>(), true);
+ setup_type("$live", {A, EN}, pool<RTLIL::IdString>(), true);
+ setup_type("$fair", {A, EN}, pool<RTLIL::IdString>(), true);
+ setup_type("$cover", {A, EN}, pool<RTLIL::IdString>(), true);
+ setup_type("$initstate", pool<RTLIL::IdString>(), {Y}, true);
+ setup_type("$anyconst", pool<RTLIL::IdString>(), {Y}, true);
+ setup_type("$anyseq", pool<RTLIL::IdString>(), {Y}, true);
+ setup_type("$allconst", pool<RTLIL::IdString>(), {Y}, true);
+ setup_type("$allseq", pool<RTLIL::IdString>(), {Y}, true);
+ setup_type("$equiv", {A, B}, {Y}, true);
+ }
+
+ void setup_internals_eval()
+ {
std::vector<RTLIL::IdString> unary_ops = {
"$not", "$pos", "$neg",
"$reduce_and", "$reduce_or", "$reduce_xor", "$reduce_xnor", "$reduce_bool",
@@ -111,20 +132,6 @@ struct CellTypes
setup_type("$lcu", {P, G, CI}, {CO}, true);
setup_type("$alu", {A, B, CI, BI}, {X, Y, CO}, true);
setup_type("$fa", {A, B, C}, {X, Y}, true);
-
- setup_type("$tribuf", {A, EN}, {Y}, true);
-
- setup_type("$assert", {A, EN}, pool<RTLIL::IdString>(), true);
- setup_type("$assume", {A, EN}, pool<RTLIL::IdString>(), true);
- setup_type("$live", {A, EN}, pool<RTLIL::IdString>(), true);
- setup_type("$fair", {A, EN}, pool<RTLIL::IdString>(), true);
- setup_type("$cover", {A, EN}, pool<RTLIL::IdString>(), true);
- setup_type("$initstate", pool<RTLIL::IdString>(), {Y}, true);
- setup_type("$anyconst", pool<RTLIL::IdString>(), {Y}, true);
- setup_type("$anyseq", pool<RTLIL::IdString>(), {Y}, true);
- setup_type("$allconst", pool<RTLIL::IdString>(), {Y}, true);
- setup_type("$allseq", pool<RTLIL::IdString>(), {Y}, true);
- setup_type("$equiv", {A, B}, {Y}, true);
}
void setup_internals_mem()
@@ -154,6 +161,15 @@ struct CellTypes
void setup_stdcells()
{
+ setup_stdcells_eval();
+
+ IdString A = "\\A", E = "\\E", Y = "\\Y";
+
+ setup_type("$_TBUF_", {A, E}, {Y}, true);
+ }
+
+ void setup_stdcells_eval()
+ {
IdString A = "\\A", B = "\\B", C = "\\C", D = "\\D";
IdString E = "\\E", F = "\\F", G = "\\G", H = "\\H";
IdString I = "\\I", J = "\\J", K = "\\K", L = "\\L";
@@ -179,7 +195,6 @@ struct CellTypes
setup_type("$_OAI3_", {A, B, C}, {Y}, true);
setup_type("$_AOI4_", {A, B, C, D}, {Y}, true);
setup_type("$_OAI4_", {A, B, C, D}, {Y}, true);
- setup_type("$_TBUF_", {A, E}, {Y}, true);
}
void setup_stdcells_mem()
diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc
index 7f1816190..d0fa88890 100644
--- a/kernel/rtlil.cc
+++ b/kernel/rtlil.cc
@@ -760,7 +760,7 @@ namespace {
void check()
{
- if (cell->type.substr(0, 1) != "$" || cell->type.substr(0, 3) == "$__" || cell->type.substr(0, 8) == "$paramod" ||
+ if (cell->type.substr(0, 1) != "$" || cell->type.substr(0, 3) == "$__" || cell->type.substr(0, 8) == "$paramod" || cell->type.substr(0,10) == "$fmcombine" ||
cell->type.substr(0, 9) == "$verific$" || cell->type.substr(0, 7) == "$array:" || cell->type.substr(0, 8) == "$extern:")
return;
@@ -2360,7 +2360,7 @@ void RTLIL::Cell::check()
void RTLIL::Cell::fixup_parameters(bool set_a_signed, bool set_b_signed)
{
- if (type.substr(0, 1) != "$" || type.substr(0, 2) == "$_" || type.substr(0, 8) == "$paramod" ||
+ if (type.substr(0, 1) != "$" || type.substr(0, 2) == "$_" || type.substr(0, 8) == "$paramod" || type.substr(0,10) == "$fmcombine" ||
type.substr(0, 9) == "$verific$" || type.substr(0, 7) == "$array:" || type.substr(0, 8) == "$extern:")
return;