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| author | Tim Northover <Tim.Northover@arm.com> | 2013-01-22 09:46:31 +0000 |
|---|---|---|
| committer | Tim Northover <Tim.Northover@arm.com> | 2013-01-22 09:46:31 +0000 |
| commit | 0a29cb045444c13160e90fe7942a9d7c720185ed (patch) | |
| tree | a52b128abcdecbe22becedeaa028b36217e450a2 /lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | |
| parent | dc89ed7da30e882cfdb74968b2a7613e37570409 (diff) | |
| download | external_llvm-0a29cb045444c13160e90fe7942a9d7c720185ed.tar.gz external_llvm-0a29cb045444c13160e90fe7942a9d7c720185ed.tar.bz2 external_llvm-0a29cb045444c13160e90fe7942a9d7c720185ed.zip | |
Make APFloat constructor require explicit semantics.
Previously we tried to infer it from the bit width size, with an added
IsIEEE argument for the PPC/IEEE 128-bit case, which had a default
value. This default value allowed bugs to creep in, where it was
inappropriate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173138 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index db3abafcba..d37edab66e 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -2805,7 +2805,8 @@ void SelectionDAGLegalize::ExpandNode(SDNode *Node) { SDValue True, False; EVT VT = Node->getOperand(0).getValueType(); EVT NVT = Node->getValueType(0); - APFloat apf(APInt::getNullValue(VT.getSizeInBits())); + APFloat apf(DAG.EVTToAPFloatSemantics(VT), + APInt::getNullValue(VT.getSizeInBits())); APInt x = APInt::getSignBit(NVT.getSizeInBits()); (void)apf.convertFromAPInt(x, false, APFloat::rmNearestTiesToEven); Tmp1 = DAG.getConstantFP(apf, VT); |