More long double fixes. x86_64 should build now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42155 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 3744c4a..92c0f24 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -1591,8 +1591,14 @@
case ISD::ANY_EXTEND:
case ISD::ZERO_EXTEND: return getConstant(Val, VT);
case ISD::TRUNCATE: return getConstant(Val, VT);
- case ISD::SINT_TO_FP: return getConstantFP(C->getSignExtended(), VT);
- case ISD::UINT_TO_FP: return getConstantFP(C->getValue(), VT);
+ case ISD::UINT_TO_FP:
+ case ISD::SINT_TO_FP: {
+ const uint64_t zero[] = {0, 0};
+ APFloat apf = APFloat(APInt(MVT::getSizeInBits(VT), 2, zero));
+ (void)apf.convertFromInteger(&Val, 1, Opcode==ISD::SINT_TO_FP,
+ APFloat::rmTowardZero);
+ return getConstantFP(apf, VT);
+ }
case ISD::BIT_CONVERT:
if (VT == MVT::f32 && C->getValueType(0) == MVT::i32)
return getConstantFP(BitsToFloat(Val), VT);
@@ -1669,8 +1675,12 @@
case ISD::FP_EXTEND:
// This can return overflow, underflow, or inexact; we don't care.
// FIXME need to be more flexible about rounding mode.
+ // FIXME need to be more flexible about rounding mode.
(void) V.convert(VT==MVT::f32 ? APFloat::IEEEsingle :
- APFloat::IEEEdouble,
+ VT==MVT::f64 ? APFloat::IEEEdouble :
+ VT==MVT::f80 ? APFloat::x87DoubleExtended :
+ VT==MVT::f128 ? APFloat::IEEEquad :
+ APFloat::Bogus,
APFloat::rmNearestTiesToEven);
return getConstantFP(V, VT);
case ISD::FP_TO_SINT: