diff --git a/compiler/optimizing/code_generator_arm.cc b/compiler/optimizing/code_generator_arm.cc
index dd595d9..1e9fad0 100644
--- a/compiler/optimizing/code_generator_arm.cc
+++ b/compiler/optimizing/code_generator_arm.cc
@@ -1189,7 +1189,8 @@
 
     case Primitive::kPrimFloat:
     case Primitive::kPrimDouble:
-      LOG(FATAL) << "Not yet implemented neg type " << neg->GetResultType();
+      locations->SetInAt(0, Location::RequiresFpuRegister());
+      locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap);
       break;
 
     default:
@@ -1229,8 +1230,14 @@
       break;
 
     case Primitive::kPrimFloat:
+      DCHECK(in.IsFpuRegister());
+      __ vnegs(out.As<SRegister>(), in.As<SRegister>());
+      break;
+
     case Primitive::kPrimDouble:
-      LOG(FATAL) << "Not yet implemented neg type " << neg->GetResultType();
+      DCHECK(in.IsFpuRegisterPair());
+      __ vnegd(FromLowSToD(out.AsFpuRegisterPairLow<SRegister>()),
+               FromLowSToD(in.AsFpuRegisterPairLow<SRegister>()));
       break;
 
     default: