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-rw-r--r--lib/Target/CBackend/CBackend.cpp34
-rw-r--r--lib/Target/MSIL/MSILWriter.cpp10
-rw-r--r--lib/Target/X86/X86ISelLowering.cpp33
3 files changed, 43 insertions, 34 deletions
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index b0c76c8..ff95e90 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -604,17 +604,19 @@ void CWriter::printConstantVector(ConstantVector *CP) {
// only deal in IEEE FP).
//
static bool isFPCSafeToPrint(const ConstantFP *CFP) {
+ APFloat APF = APFloat(CFP->getValueAPF()); // copy
+ if (CFP->getType()==Type::FloatTy)
+ APF.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven);
#if HAVE_PRINTF_A && ENABLE_CBE_PRINTF_A
char Buffer[100];
- sprintf(Buffer, "%a", CFP->getValue());
-
+ sprintf(Buffer, "%a", APF.convertToDouble());
if (!strncmp(Buffer, "0x", 2) ||
!strncmp(Buffer, "-0x", 3) ||
!strncmp(Buffer, "+0x", 3))
- return atof(Buffer) == CFP->getValue();
+ return APF.bitwiseIsEqual(APFloat(atof(Buffer)));
return false;
#else
- std::string StrVal = ftostr(CFP->getValue());
+ std::string StrVal = ftostr(APF);
while (StrVal[0] == ' ')
StrVal.erase(StrVal.begin());
@@ -625,7 +627,7 @@ static bool isFPCSafeToPrint(const ConstantFP *CFP) {
((StrVal[0] == '-' || StrVal[0] == '+') &&
(StrVal[1] >= '0' && StrVal[1] <= '9')))
// Reparse stringized version!
- return atof(StrVal.c_str()) == CFP->getValue();
+ return APF.bitwiseIsEqual(APFloat(atof(StrVal.c_str())));
return false;
#endif
}
@@ -882,9 +884,13 @@ void CWriter::printConstant(Constant *CPV) {
Out << "(*(" << (FPC->getType() == Type::FloatTy ? "float" : "double")
<< "*)&FPConstant" << I->second << ')';
} else {
- if (IsNAN(FPC->getValue())) {
+ double V = FPC->getType() == Type::FloatTy ?
+ FPC->getValueAPF().convertToFloat() :
+ FPC->getValueAPF().convertToDouble();
+ if (IsNAN(V)) {
// The value is NaN
+ // FIXME the actual NaN bits should be emitted.
// The prefix for a quiet NaN is 0x7FF8. For a signalling NaN,
// it's 0x7ff4.
const unsigned long QuietNaN = 0x7ff8UL;
@@ -893,7 +899,7 @@ void CWriter::printConstant(Constant *CPV) {
// We need to grab the first part of the FP #
char Buffer[100];
- uint64_t ll = DoubleToBits(FPC->getValue());
+ uint64_t ll = DoubleToBits(V);
sprintf(Buffer, "0x%llx", static_cast<long long>(ll));
std::string Num(&Buffer[0], &Buffer[6]);
@@ -905,9 +911,9 @@ void CWriter::printConstant(Constant *CPV) {
else
Out << "LLVM_NAN" << (Val == QuietNaN ? "" : "S") << "(\""
<< Buffer << "\") /*nan*/ ";
- } else if (IsInf(FPC->getValue())) {
+ } else if (IsInf(V)) {
// The value is Inf
- if (FPC->getValue() < 0) Out << '-';
+ if (V < 0) Out << '-';
Out << "LLVM_INF" << (FPC->getType() == Type::FloatTy ? "F" : "")
<< " /*inf*/ ";
} else {
@@ -915,12 +921,12 @@ void CWriter::printConstant(Constant *CPV) {
#if HAVE_PRINTF_A && ENABLE_CBE_PRINTF_A
// Print out the constant as a floating point number.
char Buffer[100];
- sprintf(Buffer, "%a", FPC->getValue());
+ sprintf(Buffer, "%a", V);
Num = Buffer;
#else
- Num = ftostr(FPC->getValue());
+ Num = ftostr(FPC->getValueAPF());
#endif
- Out << Num;
+ Out << Num;
}
}
break;
@@ -1715,15 +1721,15 @@ void CWriter::printFloatingPointConstants(Function &F) {
if (const ConstantFP *FPC = dyn_cast<ConstantFP>(*I))
if (!isFPCSafeToPrint(FPC) && // Do not put in FPConstantMap if safe.
!FPConstantMap.count(FPC)) {
- double Val = FPC->getValue();
-
FPConstantMap[FPC] = FPCounter; // Number the FP constants
if (FPC->getType() == Type::DoubleTy) {
+ double Val = FPC->getValueAPF().convertToDouble();
Out << "static const ConstantDoubleTy FPConstant" << FPCounter++
<< " = 0x" << std::hex << DoubleToBits(Val) << std::dec
<< "ULL; /* " << Val << " */\n";
} else if (FPC->getType() == Type::FloatTy) {
+ float Val = FPC->getValueAPF().convertToFloat();
Out << "static const ConstantFloatTy FPConstant" << FPCounter++
<< " = 0x" << std::hex << FloatToBits(Val) << std::dec
<< "U; /* " << Val << " */\n";
diff --git a/lib/Target/MSIL/MSILWriter.cpp b/lib/Target/MSIL/MSILWriter.cpp
index 5859adf..7178970 100644
--- a/lib/Target/MSIL/MSILWriter.cpp
+++ b/lib/Target/MSIL/MSILWriter.cpp
@@ -428,10 +428,10 @@ void MSILWriter::printConstLoad(const Constant* C) {
uint64_t X;
unsigned Size;
if (FP->getType()->getTypeID()==Type::FloatTyID) {
- X = FloatToBits(FP->getValue());
+ X = FloatToBits(FP->getValueAPF().convertToFloat());
Size = 4;
} else {
- X = DoubleToBits(FP->getValue());
+ X = DoubleToBits(FP->getValueAPF().convertToDouble());
Size = 8;
}
Out << "\tldc.r" << Size << "\t( " << utohexstr(X) << ')';
@@ -1472,9 +1472,11 @@ void MSILWriter::printStaticConstant(const Constant* C, uint64_t& Offset) {
TySize = TD->getTypeSize(Ty);
const ConstantFP* FP = cast<ConstantFP>(C);
if (Ty->getTypeID() == Type::FloatTyID)
- Out << "int32 (" << FloatToBits(FP->getValue()) << ')';
+ Out << "int32 (" <<
+ FloatToBits(FP->getValueAPF().convertToFloat()) << ')';
else
- Out << "int64 (" << DoubleToBits(FP->getValue()) << ')';
+ Out << "int64 (" <<
+ DoubleToBits(FP->getValueAPF().convertToDouble()) << ')';
break;
}
case Type::ArrayTyID:
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 8cfd5f9..22b282b 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -3412,11 +3412,11 @@ SDOperand X86TargetLowering::LowerFABS(SDOperand Op, SelectionDAG &DAG) {
const Type *OpNTy = MVT::getTypeForValueType(EltVT);
std::vector<Constant*> CV;
if (EltVT == MVT::f64) {
- Constant *C = ConstantFP::get(OpNTy, BitsToDouble(~(1ULL << 63)));
+ Constant *C = ConstantFP::get(OpNTy, APFloat(BitsToDouble(~(1ULL << 63))));
CV.push_back(C);
CV.push_back(C);
} else {
- Constant *C = ConstantFP::get(OpNTy, BitsToFloat(~(1U << 31)));
+ Constant *C = ConstantFP::get(OpNTy, APFloat(BitsToFloat(~(1U << 31))));
CV.push_back(C);
CV.push_back(C);
CV.push_back(C);
@@ -3440,11 +3440,11 @@ SDOperand X86TargetLowering::LowerFNEG(SDOperand Op, SelectionDAG &DAG) {
const Type *OpNTy = MVT::getTypeForValueType(EltVT);
std::vector<Constant*> CV;
if (EltVT == MVT::f64) {
- Constant *C = ConstantFP::get(OpNTy, BitsToDouble(1ULL << 63));
+ Constant *C = ConstantFP::get(OpNTy, APFloat(BitsToDouble(1ULL << 63)));
CV.push_back(C);
CV.push_back(C);
} else {
- Constant *C = ConstantFP::get(OpNTy, BitsToFloat(1U << 31));
+ Constant *C = ConstantFP::get(OpNTy, APFloat(BitsToFloat(1U << 31)));
CV.push_back(C);
CV.push_back(C);
CV.push_back(C);
@@ -3475,18 +3475,19 @@ SDOperand X86TargetLowering::LowerFCOPYSIGN(SDOperand Op, SelectionDAG &DAG) {
if (MVT::getSizeInBits(SrcVT) < MVT::getSizeInBits(VT)) {
Op1 = DAG.getNode(ISD::FP_EXTEND, VT, Op1);
SrcVT = VT;
+ SrcTy = MVT::getTypeForValueType(SrcVT);
}
// First get the sign bit of second operand.
std::vector<Constant*> CV;
if (SrcVT == MVT::f64) {
- CV.push_back(ConstantFP::get(SrcTy, BitsToDouble(1ULL << 63)));
- CV.push_back(ConstantFP::get(SrcTy, 0.0));
+ CV.push_back(ConstantFP::get(SrcTy, APFloat(BitsToDouble(1ULL << 63))));
+ CV.push_back(ConstantFP::get(SrcTy, APFloat(0.0)));
} else {
- CV.push_back(ConstantFP::get(SrcTy, BitsToFloat(1U << 31)));
- CV.push_back(ConstantFP::get(SrcTy, 0.0));
- CV.push_back(ConstantFP::get(SrcTy, 0.0));
- CV.push_back(ConstantFP::get(SrcTy, 0.0));
+ CV.push_back(ConstantFP::get(SrcTy, APFloat(BitsToFloat(1U << 31))));
+ CV.push_back(ConstantFP::get(SrcTy, APFloat(0.0f)));
+ CV.push_back(ConstantFP::get(SrcTy, APFloat(0.0f)));
+ CV.push_back(ConstantFP::get(SrcTy, APFloat(0.0f)));
}
Constant *C = ConstantVector::get(CV);
SDOperand CPIdx = DAG.getConstantPool(C, getPointerTy(), 4);
@@ -3508,13 +3509,13 @@ SDOperand X86TargetLowering::LowerFCOPYSIGN(SDOperand Op, SelectionDAG &DAG) {
// Clear first operand sign bit.
CV.clear();
if (VT == MVT::f64) {
- CV.push_back(ConstantFP::get(SrcTy, BitsToDouble(~(1ULL << 63))));
- CV.push_back(ConstantFP::get(SrcTy, 0.0));
+ CV.push_back(ConstantFP::get(SrcTy, APFloat(BitsToDouble(~(1ULL << 63)))));
+ CV.push_back(ConstantFP::get(SrcTy, APFloat(0.0)));
} else {
- CV.push_back(ConstantFP::get(SrcTy, BitsToFloat(~(1U << 31))));
- CV.push_back(ConstantFP::get(SrcTy, 0.0));
- CV.push_back(ConstantFP::get(SrcTy, 0.0));
- CV.push_back(ConstantFP::get(SrcTy, 0.0));
+ CV.push_back(ConstantFP::get(SrcTy, APFloat(BitsToFloat(~(1U << 31)))));
+ CV.push_back(ConstantFP::get(SrcTy, APFloat(0.0f)));
+ CV.push_back(ConstantFP::get(SrcTy, APFloat(0.0f)));
+ CV.push_back(ConstantFP::get(SrcTy, APFloat(0.0f)));
}
C = ConstantVector::get(CV);
CPIdx = DAG.getConstantPool(C, getPointerTy(), 4);
generated by cgit v1.1 at 2024-08-21 03:41:27 +0000