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remove generic path width

This commit is contained in:
Jakub Janeczko 2026-07-23 19:12:25 +02:00
parent d02d8253ac
commit c771db06bb
No known key found for this signature in database
GPG Key ID: D68C3D5A75B4C697
1 changed files with 6 additions and 25 deletions
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31
backends/verilog/verilog_backend.cc
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@ -631,8 +631,6 @@ void dump_memory(std::ostream &f, std::string indent, Mem &mem)
continue;
has_transparency = true;
}
int bypass_part_width = 1;
int bypass_valid_width = port.data.size() / bypass_part_width;
std::string bypass_valid_id;
std::string bypass_valid_reset_str;
@ -640,11 +638,11 @@ void dump_memory(std::ostream &f, std::string indent, Mem &mem)
std::string bypass_data_reset_str;
if (has_transparency) {
bypass_valid_id = next_auto_id();
lof_reg_declarations.push_back( stringf("reg [%d:0] %s;\n", bypass_valid_width - 1, bypass_valid_id) );
lof_reg_declarations.push_back( stringf("reg [%d:0] %s;\n", port.data.size() - 1, bypass_valid_id) );
std::ostringstream os;
os << stringf("%s <= ", bypass_valid_id);
dump_sigspec(os, Const(State::S0, bypass_valid_width));
dump_sigspec(os, Const(State::S0, port.data.size()));
os << ";\n";
bypass_valid_reset_str = os.str();
@ -768,16 +766,14 @@ void dump_memory(std::ostream &f, std::string indent, Mem &mem)
int sig_beg = rsub * mem.width + pos;
int sig_end = rsub * mem.width + epos;
int valid_beg = sig_beg / bypass_part_width;
int valid_end = (sig_end + bypass_part_width - 1) / bypass_part_width;
std::ostringstream os2;
if (has_indent)
os2 << indent;
os2 << stringf("%s" "%s", indent, bypass_valid_id);
if (epos-pos != GetSize(port.data))
os2 << stringf("[%d:%d]", valid_end - 1, valid_beg);
os2 << stringf("[%d:%d]", sig_end - 1, sig_beg);
os2 << " <= ";
dump_sigspec(os2, Const(State::S1, valid_end - valid_beg));
dump_sigspec(os2, Const(State::S1, sig_end - sig_beg));
os2 << ";\n";
clk_to_lof_body[clk_domain_str].push_back(os2.str());
@ -840,7 +836,7 @@ void dump_memory(std::ostream &f, std::string indent, Mem &mem)
if (has_transparency) {
std::ostringstream os2;
os2 << stringf("initial %s = ", bypass_valid_id);
dump_sigspec(os2, Const(State::S0, bypass_valid_width));
dump_sigspec(os2, Const(State::S0, port.data.size()));
os2 << ";\n";
clk_to_lof_body[""].push_back(os2.str());
}
@ -855,7 +851,7 @@ void dump_memory(std::ostream &f, std::string indent, Mem &mem)
os << temp_id;
os << ";\n";
clk_to_lof_body[""].push_back(os.str());
} else if (bypass_part_width == 1) {
} else {
std::ostringstream os;
os << "assign ";
dump_sigspec(os, port.data);
@ -863,21 +859,6 @@ void dump_memory(std::ostream &f, std::string indent, Mem &mem)
os << stringf("(%s & %s) | (~%s & %s)", bypass_valid_id, bypass_data_id, bypass_valid_id, temp_id);
os << ";\n";
clk_to_lof_body[""].push_back(os.str());
} else {
for (int sub = 0; sub < bypass_valid_width; sub++) {
int seg_beg = sub * bypass_part_width;
int seg_end = (sub + 1) * bypass_part_width;
std::ostringstream os;
os << "assign ";
dump_sigspec(os, port.data.extract(seg_beg, bypass_part_width));
os << " = ";
os << stringf("%s[%d]", bypass_valid_id, sub);
os << stringf(" ? %s[%d:%d]", bypass_data_id, seg_end - 1, seg_beg);
os << stringf(" : %s[%d:%d]", temp_id, seg_end - 1, seg_beg);
os << ";\n";
clk_to_lof_body[""].push_back(os.str());
}
}
}
} else {