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

This commit is contained in:
Eddie Hung 2019-11-27 10:17:10 -08:00
commit 4bac6b13be
5 changed files with 100 additions and 7 deletions

View file

@ -218,6 +218,10 @@ Cell *handle_memory(Module *module, RTLIL::Memory *memory)
mem->setPort("\\RD_DATA", sig_rd_data);
mem->setPort("\\RD_EN", sig_rd_en);
// Copy attributes from RTLIL memory to $mem
for (auto attr : memory->attributes)
mem->attributes[attr.first] = attr.second;
for (auto c : memcells)
module->remove(c);

View file

@ -83,7 +83,9 @@ struct ExtSigSpec {
bool operator==(const ExtSigSpec &other) const { return is_signed == other.is_signed && sign == other.sign && sig == other.sig && semantics == other.semantics; }
};
#define BITWISE_OPS ID($_AND_), ID($_NAND_), ID($_OR_), ID($_NOR_), ID($_XOR_), ID($_XNOR_), ID($_ANDNOT_), ID($_ORNOT_), ID($and), ID($or), ID($xor), ID($xnor)
#define FINE_BITWISE_OPS ID($_AND_), ID($_NAND_), ID($_OR_), ID($_NOR_), ID($_XOR_), ID($_XNOR_), ID($_ANDNOT_), ID($_ORNOT_)
#define BITWISE_OPS FINE_BITWISE_OPS, ID($and), ID($or), ID($xor), ID($xnor)
#define REDUCTION_OPS ID($reduce_and), ID($reduce_or), ID($reduce_xor), ID($reduce_xnor), ID($reduce_bool), ID($reduce_nand)
@ -250,14 +252,19 @@ void merge_operators(RTLIL::Module *module, RTLIL::Cell *mux, const std::vector<
shared_op->setPort(ID(CO), alu_co.extract(0, conn_width));
}
shared_op->setParam(ID(Y_WIDTH), conn_width);
bool is_fine = shared_op->type.in(FINE_BITWISE_OPS);
if (!is_fine)
shared_op->setParam(ID(Y_WIDTH), conn_width);
if (decode_port(shared_op, ID::A, &assign_map) == operand) {
shared_op->setPort(ID::B, mux_to_oper);
shared_op->setParam(ID(B_WIDTH), max_width);
if (!is_fine)
shared_op->setParam(ID(B_WIDTH), max_width);
} else {
shared_op->setPort(ID::A, mux_to_oper);
shared_op->setParam(ID(A_WIDTH), max_width);
if (!is_fine)
shared_op->setParam(ID(A_WIDTH), max_width);
}
}

View file

@ -347,9 +347,9 @@ match postAdd
index <SigBit> port(postAdd, AB)[0] === sigP[0]
filter GetSize(port(postAdd, AB)) >= GetSize(sigP)
filter port(postAdd, AB).extract(0, GetSize(sigP)) == sigP
// Check that remainder of AB is a sign-extension
define <bool> AB_SIGNED (param(postAdd, AB == \A ? \A_SIGNED : \B_SIGNED).as_bool())
filter port(postAdd, AB).extract_end(GetSize(sigP)) == SigSpec(AB_SIGNED ? sigP[GetSize(sigP)-1] : State::S0, GetSize(port(postAdd, AB))-GetSize(sigP))
// Check that remainder of AB is a sign- or zero-extension
filter port(postAdd, AB).extract_end(GetSize(sigP)) == SigSpec(sigP[GetSize(sigP)-1], GetSize(port(postAdd, AB))-GetSize(sigP)) || port(postAdd, AB).extract_end(GetSize(sigP)) == SigSpec(State::S0, GetSize(port(postAdd, AB))-GetSize(sigP))
set postAddAB AB
optional
endmatch