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Remove the assumption that FP's are either float or

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double from some of the many places in the optimizers
it appears, and do something reasonable with x86
long double.
Make APInt::dump() public, remove newline, use it to
dump ConstantSDNode's.
Allow APFloats in FoldingSet.
Expand X86 backend handling of long doubles (conversions
to/from int, mostly).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41967 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen
2007-09-14 22:26:36 +00:00
parent 24f2ea3971
commit 9e3d3abd93
13 changed files with 118 additions and 56 deletions
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3
lib/Target/CBackend/CBackend.cpp
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@ -604,6 +604,9 @@ void CWriter::printConstantVector(ConstantVector *CP) {
// only deal in IEEE FP).
//
static bool isFPCSafeToPrint(const ConstantFP *CFP) {
// Do long doubles the hard way for now.
if (CFP->getType()!=Type::FloatTy && CFP->getType()!=Type::DoubleTy)
return false;
APFloat APF = APFloat(CFP->getValueAPF()); // copy
if (CFP->getType()==Type::FloatTy)
APF.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven);