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Codegen support for i128 UINT_TO_FP. This just fixes a

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bug in r47928 (Int64Ty is the correct type for the constant
pool entry here) and removes the asserts, now that the code
is capable of handling i128.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47932 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-03-05 02:07:31 +00:00
parent 6fd599fa69
commit 34bc178e4d
2 changed files with 2 additions and 6 deletions
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7
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -5281,9 +5281,7 @@ ExpandIntToFP(bool isSigned, MVT::ValueType DestTy, SDOperand Source) {
"This is not an expansion!");
if (!isSigned) {
assert(SourceVT == MVT::i64 &&
"This only works for 64-bit -> FP");
// The 64-bit value loaded will be incorrectly if the 'sign bit' of the
// The integer value loaded will be incorrectly if the 'sign bit' of the
// incoming integer is set. To handle this, we dynamically test to see if
// it is set, and, if so, add a fudge factor.
SDOperand Lo, Hi;
@ -5302,8 +5300,7 @@ ExpandIntToFP(bool isSigned, MVT::ValueType DestTy, SDOperand Source) {
SignSet, Four, Zero);
uint64_t FF = 0x5f800000ULL;
if (TLI.isLittleEndian()) FF <<= 32;
static Constant *FudgeFactor =
ConstantInt::get(IntegerType::get(Source.getValueSizeInBits()), FF);
static Constant *FudgeFactor = ConstantInt::get(Type::Int64Ty, FF);
SDOperand CPIdx = DAG.getConstantPool(FudgeFactor, TLI.getPointerTy());
CPIdx = DAG.getNode(ISD::ADD, TLI.getPointerTy(), CPIdx, CstOffset);

1
lib/CodeGen/SelectionDAG/LegalizeTypesExpand.cpp
View File

@ -1020,7 +1020,6 @@ SDOperand DAGTypeLegalizer::ExpandOperand_UINT_TO_FP(SDOperand Source,
// We know the destination is legal, but that the input needs to be expanded.
assert(getTypeAction(Source.getValueType()) == Expand &&
"This is not an expansion!");
assert(Source.getValueType() == MVT::i64 && "Only handle expand from i64!");
// If this is unsigned, and not supported, first perform the conversion to
// signed, then adjust the result if the sign bit is set.