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Support IEEE time units and time precisions, #234. (#2253)

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Includes `timescale, $printtimescale, $timeformat.
VL_TIME_MULTIPLIER, VL_TIME_PRECISION, VL_TIME_UNIT have been removed
and the time precision must now match the SystemC time precision.
To get closer behavior to older versions, use e.g. --timescale-override
"1ps/1ps".
This commit is contained in:
Wilson Snyder
2020-04-15 19:39:03 -04:00
committed by GitHub
parent 9b8aebb00c
commit d4f7f5297a
131 changed files with 2611 additions and 1290 deletions
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src/V3LinkParse.cpp
+22
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@@ -497,6 +497,28 @@ private:
cleanFileline(nodep);
iterateChildren(nodep);
}
virtual void visit(AstPrintTimeScale* nodep) VL_OVERRIDE {
// Inlining may change hierarchy, so just save timescale where needed
iterateChildren(nodep);
nodep->name(m_modp->name());
nodep->timeunit(m_modp->timeunit());
}
virtual void visit(AstSFormatF* nodep) VL_OVERRIDE {
iterateChildren(nodep);
nodep->timeunit(m_modp->timeunit());
}
virtual void visit(AstTime* nodep) VL_OVERRIDE {
iterateChildren(nodep);
nodep->timeunit(m_modp->timeunit());
}
virtual void visit(AstTimeD* nodep) VL_OVERRIDE {
iterateChildren(nodep);
nodep->timeunit(m_modp->timeunit());
}
virtual void visit(AstTimeImport* nodep) VL_OVERRIDE {
iterateChildren(nodep);
nodep->timeunit(m_modp->timeunit());
}
virtual void visit(AstNode* nodep) VL_OVERRIDE {
// Default: Just iterate