RPCSX/llvm
1
0
Fork 0
mirror of https://github.com/RPCSX/llvm.git synced 2025-02-02 18:42:36 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

add some simple hacky long double support for the CBE. This

Browse Source 
should work for intel long double, but ppc long double aborts
in convert.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57672 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-10-17 06:11:48 +00:00
parent b2a1432507
commit abec474236
1 changed files with 15 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
lib/Target/CBackend/CBackend.cpp
View File

@ -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