Add APInt interfaces to APFloat (allows directly
access to bits). Use them in place of float and
double interfaces where appropriate.
First bits of x86 long double constants handling
(untested, probably does not work).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41858 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 31e2947..d7eb85b 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -491,8 +491,9 @@
if (!UseCP) {
const APFloat& Val = LLVMC->getValueAPF();
return isDouble
- ? DAG.getConstant(DoubleToBits(Val.convertToDouble()), MVT::i64)
- : DAG.getConstant(FloatToBits(Val.convertToFloat()), MVT::i32);
+ ? DAG.getConstant(*Val.convertToAPInt().getRawData(), MVT::i64)
+ : DAG.getConstant((uint32_t )*Val.convertToAPInt().getRawData(),
+ MVT::i32);
}
if (isDouble && CFP->isValueValidForType(MVT::f32, CFP->getValueAPF()) &&
@@ -1980,12 +1981,13 @@
// together.
if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(ST->getValue())) {
if (CFP->getValueType(0) == MVT::f32) {
- Tmp3 = DAG.getConstant(FloatToBits(CFP->getValueAPF().
- convertToFloat()), MVT::i32);
+ Tmp3 = DAG.getConstant((uint32_t)*CFP->getValueAPF().
+ convertToAPInt().getRawData(),
+ MVT::i32);
} else {
assert(CFP->getValueType(0) == MVT::f64 && "Unknown FP type!");
- Tmp3 = DAG.getConstant(DoubleToBits(CFP->getValueAPF().
- convertToDouble()), MVT::i64);
+ Tmp3 = DAG.getConstant(*CFP->getValueAPF().convertToAPInt().
+ getRawData(), MVT::i64);
}
Result = DAG.getStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(),
SVOffset, isVolatile, Alignment);