Fix translation of instruction "move" in ARM integrated assembler.

src/IceInstARM32.cpp

 //===- subzero/src/IceInstARM32.cpp - ARM32 instruction implementation ----===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 759 matching lines @@
     return Asm->mov(Dest, Src0, getPredicate());
   } else {
     const Type Src0Type = Src0->getType();
     const bool Src0IsVector = isVectorType(Src0Type);
     const bool Src0IsScalarFP = isScalarFloatingType(Src0Type);
     const bool CoreVFPMove = isMoveBetweenCoreAndVFPRegisters(Dest, Src0);
     if (Src0IsVector || Src0IsScalarFP || CoreVFPMove)
       return Asm->setNeedsTextFixup();
     return Asm->str(Src0, Dest, getPredicate(), Func->getTarget());
   }
-  Asm->setNeedsTextFixup();
 }
 
 void InstARM32Mov::emit(const Cfg *Func) const {
   if (!BuildDefs::dump())
     return;
   assert(!(isMultiDest() && isMultiSource()) && "Invalid vmov type.");
   if (isMultiDest()) {
     emitMultiDestSingleSource(Func);
     return;
   }
 
   if (isMultiSource()) {
     emitSingleDestMultiSource(Func);
     return;
   }
 
   emitSingleDestSingleSource(Func);
 }
 
 void InstARM32Mov::emitIAS(const Cfg *Func) const {
-  if (!Func->getContext()->getFlags().getAllowUnsafeIas())
-    return emitUsingTextFixup(Func);
   assert(!(isMultiDest() && isMultiSource()) && "Invalid vmov type.");
   auto *Asm = Func->getAssembler<ARM32::AssemblerARM32>();
-  if (!(isMultiDest() || isMultiSource())) {
+  if (!(isMultiDest() || isMultiSource()))
     // Must be single source/dest.
     emitIASSingleDestSingleSource(Func);
-  }
+  else
+    Asm->setNeedsTextFixup();
   if (Asm->needsTextFixup())
     emitUsingTextFixup(Func);
 }
 
 void InstARM32Mov::dump(const Cfg *Func) const {
   if (!BuildDefs::dump())
     return;
   assert(getSrcSize() == 1 || getSrcSize() == 2);
   Ostream &Str = Func->getContext()->getStrDump();
   Variable *Dest = getDest();
@@ skipping 948 matching lines @@
 template class InstARM32UnaryopGPR<InstARM32::Uxt, true>;
 template class InstARM32UnaryopFP<InstARM32::Vsqrt>;
 
 template class InstARM32FourAddrGPR<InstARM32::Mla>;
 template class InstARM32FourAddrGPR<InstARM32::Mls>;
 
 template class InstARM32CmpLike<InstARM32::Cmp>;
 template class InstARM32CmpLike<InstARM32::Tst>;
 
 } // end of namespace Ice