diff options
Diffstat (limited to 'lib/Target/CBackend/CBackend.cpp')
| -rw-r--r-- | lib/Target/CBackend/CBackend.cpp | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp index 7ec649d0c5..72bc920b03 100644 --- a/lib/Target/CBackend/CBackend.cpp +++ b/lib/Target/CBackend/CBackend.cpp @@ -1129,11 +1129,21 @@ void CWriter::printConstant(Constant *CPV, bool Static) { "long double") << "*)&FPConstant" << I->second << ')'; } else { - assert(FPC->getType() == Type::FloatTy || - FPC->getType() == Type::DoubleTy); - double V = FPC->getType() == Type::FloatTy ? - FPC->getValueAPF().convertToFloat() : - FPC->getValueAPF().convertToDouble(); + double V; + if (FPC->getType() == Type::FloatTy) + V = FPC->getValueAPF().convertToFloat(); + else if (FPC->getType() == Type::DoubleTy) + V = FPC->getValueAPF().convertToDouble(); + else { + // Long double. Convert the number to double, discarding precision. + // This is not awesome, but it at least makes the CBE output somewhat + // useful. + APFloat Tmp = FPC->getValueAPF(); + bool LosesInfo; + Tmp.convert(APFloat::IEEEdouble, APFloat::rmTowardZero, &LosesInfo); + V = Tmp.convertToDouble(); + } + if (IsNAN(V)) { // The value is NaN |