From: Jim Grosbach <grosbach@apple.com>
Date: Thu, 16 Sep 2010 17:37:30 +0000 (+0000)
Subject: Make sure to promote single precision floats to double before extracting them
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1d51c41a457b99d646e3a9b9fae1e913f7a60dc0;p=oota-llvm.git

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 8774010d89d..404a73b95c7 100644
--- 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;
     }