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Fix power operator on wide constants, bug761.

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This commit is contained in:
Wilson Snyder
2017-06-05 20:30:01 -04:00
parent 50c4f60c68
commit 97093fdf81
8 changed files with 172 additions and 8 deletions
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src/V3Number.cpp
-2
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@@ -1518,8 +1518,6 @@ V3Number& V3Number::opPow (const V3Number& lhs, const V3Number& rhs, bool lsign,
if (lhs.isFourState() || rhs.isFourState()) return setAllBitsX();
if (rhs.isEqZero()) return setQuad(1); // Overrides lhs 0 -> return 0
// We may want to special case when the lhs is 2, so we can get larger outputs
if (lhs.width()>64) m_fileline->v3fatalSrc("Unsupported: Large >64bit ** power operator not implemented yet: "<<*this);
if (rhs.width()>64) m_fileline->v3fatalSrc("Unsupported: Large >64bit ** power operator not implemented yet: "<<*this);
if (rsign && rhs.isNegative()) {
if (lhs.isEqZero()) return setAllBitsXRemoved();
else if (lhs.isEqOne()) return setQuad(1);