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Improved AST ProcessGenerator performance

This commit is contained in:
Clifford Wolf 2014-08-17 02:17:49 +02:00
parent f3326a6421
commit 64713647a9
1 changed files with 3 additions and 3 deletions
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6
frontends/ast/genrtlil.cc
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@ -357,7 +357,7 @@ struct AST_INTERNAL::ProcessGenerator
// e.g. when the last statement in the code "a = 23; if (b) a = 42; a = 0;" is processed this
// function is called to clean up the first two assignments as they are overwritten by
// the third assignment.
void removeSignalFromCaseTree(RTLIL::SigSpec pattern, RTLIL::CaseRule *cs)
void removeSignalFromCaseTree(const std::set<RTLIL::SigBit> &pattern, RTLIL::CaseRule *cs)
{
for (auto it = cs->actions.begin(); it != cs->actions.end(); it++)
it->first.remove2(pattern, &it->second);
@ -411,7 +411,7 @@ struct AST_INTERNAL::ProcessGenerator
subst_rvalue_map.set(unmapped_lvalue[i], rvalue[i]);
}
removeSignalFromCaseTree(lvalue, current_case);
removeSignalFromCaseTree(lvalue.to_sigbit_set(), current_case);
current_case->actions.push_back(RTLIL::SigSig(lvalue, rvalue));
}
break;
@ -487,7 +487,7 @@ struct AST_INTERNAL::ProcessGenerator
subst_rvalue_map.set(this_case_eq_lvalue[i], this_case_eq_ltemp[i]);
this_case_eq_lvalue.replace(subst_lvalue_map.stdmap());
removeSignalFromCaseTree(this_case_eq_lvalue, current_case);
removeSignalFromCaseTree(this_case_eq_lvalue.to_sigbit_set(), current_case);
addChunkActions(current_case->actions, this_case_eq_lvalue, this_case_eq_ltemp);
}
break;