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authorClifford Wolf <clifford@clifford.at>2013-04-26 13:13:58 +0200
committerClifford Wolf <clifford@clifford.at>2013-04-26 13:13:58 +0200
commit453a29c9f6704e49297f507d98bcccafe6f2fa59 (patch)
tree27aeae644008d95904819f8611df88debe2915d6 /frontends
parente6dca3445a67d3d3cfacd85684e05b3f5722af46 (diff)
Only use sha1 checksums for names of parametric modules when the verbose form is to long
Diffstat (limited to 'frontends')
-rw-r--r--frontends/ast/ast.cc29
1 files changed, 20 insertions, 9 deletions
diff --git a/frontends/ast/ast.cc b/frontends/ast/ast.cc
index cb0311b6..0bd1ba2e 100644
--- a/frontends/ast/ast.cc
+++ b/frontends/ast/ast.cc
@@ -787,6 +787,7 @@ RTLIL::IdString AstModule::derive(RTLIL::Design *design, std::map<RTLIL::IdStrin
flag_lib = lib;
use_internal_line_num();
+ std::string para_info;
std::vector<unsigned char> hash_data;
hash_data.insert(hash_data.end(), name.begin(), name.end());
hash_data.push_back(0);
@@ -803,6 +804,7 @@ RTLIL::IdString AstModule::derive(RTLIL::Design *design, std::map<RTLIL::IdStrin
if (parameters.count(child->str) > 0) {
log("Parameter %s = %s\n", child->str.c_str(), log_signal(RTLIL::SigSpec(parameters[child->str])));
rewrite_parameter:
+ para_info += stringf("%s=%s", child->str.c_str(), log_signal(RTLIL::SigSpec(parameters[child->str])));
child->delete_children();
child->children.push_back(AstNode::mkconst_bits(parameters[para_id].bits, false));
hash_data.insert(hash_data.end(), child->str.begin(), child->str.end());
@@ -823,17 +825,26 @@ RTLIL::IdString AstModule::derive(RTLIL::Design *design, std::map<RTLIL::IdStrin
if (parameters.size() > 0)
log_error("Requested parameter `%s' does not exist in module `%s'!\n", parameters.begin()->first.c_str(), name.c_str());
- unsigned char hash[20];
- unsigned char *hash_data2 = new unsigned char[hash_data.size()];
- for (size_t i = 0; i < hash_data.size(); i++)
- hash_data2[i] = hash_data[i];
- sha1::calc(hash_data2, hash_data.size(), hash);
- delete[] hash_data2;
+ std::string modname;
- char hexstring[41];
- sha1::toHexString(hash, hexstring);
+ if (para_info.size() > 60)
+ {
+ unsigned char hash[20];
+ unsigned char *hash_data2 = new unsigned char[hash_data.size()];
+ for (size_t i = 0; i < hash_data.size(); i++)
+ hash_data2[i] = hash_data[i];
+ sha1::calc(hash_data2, hash_data.size(), hash);
+ delete[] hash_data2;
+
+ char hexstring[41];
+ sha1::toHexString(hash, hexstring);
- std::string modname = "$paramod$" + std::string(hexstring) + "$" + name;
+ modname = "$paramod$" + std::string(hexstring) + name;
+ }
+ else
+ {
+ modname = "$paramod" + name + para_info;
+ }
if (design->modules.count(modname) == 0) {
new_ast->str = modname;