Make sure to promote single precision floats to double before extracting them

from the APFloat.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114096 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMMCInstLower.cpp b/lib/Target/ARM/ARMMCInstLower.cpp
index 8774010d89dcd83235c6554f61e5494d226dfd7f..404a73b95c77c3f5eec2b0e0bb314ceb92ce86c8 100644 (file)
--- a/lib/Target/ARM/ARMMCInstLower.cpp
+++ b/lib/Target/ARM/ARMMCInstLower.cpp
@@ -157,8 +157,10 @@ void ARMMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
                                               MO.getBlockAddress()));
       break;
     case MachineOperand::MO_FPImmediate:
-      MCOp =
-        MCOperand::CreateFPImm(MO.getFPImm()->getValueAPF().convertToDouble());
+      APFloat Val = MO.getFPImm()->getValueAPF();
+      bool ignored;
+      Val.convert(APFloat::IEEEdouble, APFloat::rmTowardZero, &ignored);
+      MCOp = MCOperand::CreateFPImm(Val.convertToDouble());
       break;
     }