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Next PPC long double bits. First cut at constants.

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No compile-time support for constant operations yet,
just format transformations.  Make readers and
writers work.  Split constants into 2 doubles in
Legalize.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42865 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen
2007-10-11 18:07:22 +00:00
parent f9193de25b
commit a471c2ecda
10 changed files with 196 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/VMCore/Constants.cpp
+9
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@@ -114,6 +114,7 @@ Constant *Constant::getNullValue(const Type *Ty) {
case Type::X86_FP80TyID:
return ConstantFP::get(Ty, APFloat(APInt(80, 2, zero)));
case Type::FP128TyID:
return ConstantFP::get(Ty, APFloat(APInt(128, 2, zero), true));
case Type::PPC_FP128TyID:
return ConstantFP::get(Ty, APFloat(APInt(128, 2, zero)));
case Type::PointerTyID:
@@ -256,6 +257,8 @@ ConstantFP::ConstantFP(const Type *Ty, const APFloat& V)
assert(&V.getSemantics()==&APFloat::x87DoubleExtended);
else if (Ty==Type::FP128Ty)
assert(&V.getSemantics()==&APFloat::IEEEquad);
else if (Ty==Type::PPC_FP128Ty)
assert(&V.getSemantics()==&APFloat::PPCDoubleDouble);
else
assert(0);
}
@@ -320,6 +323,8 @@ ConstantFP *ConstantFP::get(const Type *Ty, const APFloat& V) {
assert(&V.getSemantics()==&APFloat::x87DoubleExtended);
else if (Ty==Type::FP128Ty)
assert(&V.getSemantics()==&APFloat::IEEEquad);
else if (Ty==Type::PPC_FP128Ty)
assert(&V.getSemantics()==&APFloat::PPCDoubleDouble);
else
assert(0);
@@ -747,6 +752,10 @@ bool ConstantFP::isValueValidForType(const Type *Ty, const APFloat& Val) {
return &Val2.getSemantics() == &APFloat::IEEEsingle ||
&Val2.getSemantics() == &APFloat::IEEEdouble ||
&Val2.getSemantics() == &APFloat::IEEEquad;
case Type::PPC_FP128TyID:
return &Val2.getSemantics() == &APFloat::IEEEsingle ||
&Val2.getSemantics() == &APFloat::IEEEdouble ||
&Val2.getSemantics() == &APFloat::PPCDoubleDouble;
}
}