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Removed $bu0 cell type

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This commit is contained in:
Clifford Wolf 2014-09-04 02:07:52 +02:00
parent b9cb483f3e
commit 8927aa6148
18 changed files with 27 additions and 103 deletions
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21
kernel/calc.cc
View file

@ -26,19 +26,6 @@
YOSYS_NAMESPACE_BEGIN
static void extend(RTLIL::Const &arg, int width, bool is_signed)
{
RTLIL::State padding = RTLIL::State::S0;
if (arg.bits.size() > 0 && (is_signed || arg.bits.back() > RTLIL::State::S1))
padding = arg.bits.back();
while (int(arg.bits.size()) < width)
arg.bits.push_back(padding);
arg.bits.resize(width);
}
static void extend_u0(RTLIL::Const &arg, int width, bool is_signed)
{
RTLIL::State padding = RTLIL::State::S0;
@ -580,14 +567,6 @@ RTLIL::Const RTLIL::const_pos(const RTLIL::Const &arg1, const RTLIL::Const&, boo
return arg1_ext;
}
RTLIL::Const RTLIL::const_bu0(const RTLIL::Const &arg1, const RTLIL::Const&, bool signed1, bool, int result_len)
{
RTLIL::Const arg1_ext = arg1;
extend_u0(arg1_ext, result_len, signed1);
return arg1_ext;
}
RTLIL::Const RTLIL::const_neg(const RTLIL::Const &arg1, const RTLIL::Const&, bool signed1, bool, int result_len)
{
RTLIL::Const arg1_ext = arg1;

5
kernel/celltypes.h
View file

@ -86,7 +86,7 @@ struct CellTypes
void setup_internals()
{
std::vector<RTLIL::IdString> unary_ops = {
"$not", "$pos", "$bu0", "$neg",
"$not", "$pos", "$neg",
"$reduce_and", "$reduce_or", "$reduce_xor", "$reduce_xnor", "$reduce_bool",
"$logic_not", "$slice", "$lut"
};
@ -219,7 +219,7 @@ struct CellTypes
type = "$shl";
if (type != "$sshr" && type != "$sshl" && type != "$shr" && type != "$shl" && type != "$shift" && type != "$shiftx" &&
type != "$pos" && type != "$neg" && type != "$not" && type != "$bu0") {
type != "$pos" && type != "$neg" && type != "$not") {
if (!signed1 || !signed2)
signed1 = false, signed2 = false;
}
@ -259,7 +259,6 @@ struct CellTypes
HANDLE_CELL_TYPE(mod)
HANDLE_CELL_TYPE(pow)
HANDLE_CELL_TYPE(pos)
HANDLE_CELL_TYPE(bu0)
HANDLE_CELL_TYPE(neg)
#undef HANDLE_CELL_TYPE

3
kernel/rtlil.cc
View file

@ -563,7 +563,7 @@ namespace {
cell->type.substr(0, 9) == "$verific$" || cell->type.substr(0, 7) == "$array:" || cell->type.substr(0, 8) == "$extern:")
return;
if (cell->type.in("$not", "$pos", "$bu0", "$neg")) {
if (cell->type.in("$not", "$pos", "$neg")) {
param_bool("\\A_SIGNED");
port("\\A", param("\\A_WIDTH"));
port("\\Y", param("\\Y_WIDTH"));
@ -1326,7 +1326,6 @@ RTLIL::Cell *RTLIL::Module::addCell(RTLIL::IdString name, const RTLIL::Cell *oth
}
DEF_METHOD(Not, sig_a.size(), "$not")
DEF_METHOD(Pos, sig_a.size(), "$pos")
DEF_METHOD(Bu0, sig_a.size(), "$bu0")
DEF_METHOD(Neg, sig_a.size(), "$neg")
DEF_METHOD(ReduceAnd, 1, "$reduce_and")
DEF_METHOD(ReduceOr, 1, "$reduce_or")

2
kernel/rtlil.h
View file

@ -314,7 +314,6 @@ namespace RTLIL
RTLIL::Const const_pow (const RTLIL::Const &arg1, const RTLIL::Const &arg2, bool signed1, bool signed2, int result_len);
RTLIL::Const const_pos (const RTLIL::Const &arg1, const RTLIL::Const &arg2, bool signed1, bool signed2, int result_len);
RTLIL::Const const_bu0 (const RTLIL::Const &arg1, const RTLIL::Const &arg2, bool signed1, bool signed2, int result_len);
RTLIL::Const const_neg (const RTLIL::Const &arg1, const RTLIL::Const &arg2, bool signed1, bool signed2, int result_len);
@ -651,7 +650,6 @@ public:
RTLIL::Cell* addNot (RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_y, bool is_signed = false);
RTLIL::Cell* addPos (RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_y, bool is_signed = false);
RTLIL::Cell* addBu0 (RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_y, bool is_signed = false);
RTLIL::Cell* addNeg (RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_y, bool is_signed = false);
RTLIL::Cell* addAnd (RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_b, RTLIL::SigSpec sig_y, bool is_signed = false);

6
kernel/satgen.h
View file

@ -451,7 +451,7 @@ struct SatGen
return true;
}
if (cell->type == "$pos" || cell->type == "$bu0" || cell->type == "$neg")
if (cell->type == "$pos" || cell->type == "$neg")
{
std::vector<int> a = importDefSigSpec(cell->getPort("\\A"), timestep);
std::vector<int> y = importDefSigSpec(cell->getPort("\\Y"), timestep);
@ -459,7 +459,7 @@ struct SatGen
std::vector<int> yy = model_undef ? ez->vec_var(y.size()) : y;
if (cell->type == "$pos" || cell->type == "$bu0") {
if (cell->type == "$pos") {
ez->assume(ez->vec_eq(a, yy));
} else {
std::vector<int> zero(a.size(), ez->FALSE);
@ -472,7 +472,7 @@ struct SatGen
std::vector<int> undef_y = importUndefSigSpec(cell->getPort("\\Y"), timestep);
extendSignalWidthUnary(undef_a, undef_y, cell);
if (cell->type == "$pos" || cell->type == "$bu0") {
if (cell->type == "$pos") {
ez->assume(ez->vec_eq(undef_a, undef_y));
} else {
int undef_any_a = ez->expression(ezSAT::OpOr, undef_a);